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INVENTION
Russian Federation Patent RU2075447

LINE FOR COLLECTING, PROCESSING AND OIL SLUDGE SOIL DECONTAMINATION

LINE FOR COLLECTING, PROCESSING AND OIL SLUDGE SOIL DECONTAMINATION

Name of the inventor: Zorkin Vladimir; Bushueva Nina; Moses Pavel; Chalchenko Viktor; Aisin Eugene Hamzeevich; Kuzmin Alexander; Sukhov Sergei Pavlovich; Timokhov Vladimir Y.; Perunov Alexander
The name of the patentee: Zorkin Vladimir; Bushueva Nina; Moses Pavel; Chalchenko Viktor; Aisin Eugene Hamzeevich; Kuzmin Alexander; Sukhov Sergei Pavlovich; Timokhov Vladimir Y.; Perunov Alexander
Address for correspondence: 1994.04.08
Starting date of the patent:

Usage: processing of oil sludge and decontamination of soils. The inventive installation 2 and 3 contain the swing frame with an arrow, the device sediment erosion with erosion intensity control mechanism, the mechanism of rotation of the frame with a boom, boom lift mechanisms. Units 4 and 8 of the separation of sludge and sediment are equipped with a capacity of reception and separation of sludge, which is equipped with steam input devices, output of water-sludge suspension. Installation 5 and 6 clean water and sludge suspension and culturing strains biological treatment tank provided with a water-sludge slurry and cultivation of biological strains nutrients input devices, input devices aqueous sludge slurry entering compressed air, steam injection. Installation 11 integrated cleaning soil aerobic and anaerobic microorganisms comprises a container handling solids, nutrients input device, the input device aqueous sludge slurry with microorganisms, but also a device equipped with mixing and discharging cleaned solids and preheater. Installation 12 is equipped with a capacity utilization of biomass processing soil with input devices nutritional supplements, mixing device and discharge the purified soil, the device output 79 colonies of spore bodies and heater. The line is equipped with a feeding and demulsifiers devices.

DESCRIPTION OF THE INVENTION

The invention relates to the refining industry and, in particular, to installations for the processing of sludge and decontamination of soils.

Known sludge treatment using precoat filters, devices for the treatment of sludge with a hydrocarbon solvent and water vapor [1]

Known installation of Swedish company Alfa Laval [2] for the treatment of sludge, the main purpose of which is the allocation of refined oil from a fresh pot of oil products.

Known equipment for sewage [3] and equipment for soil and sludge [4] This equipment allows the processing of waste by aerobic microorganisms in the humidity 80% The equipment used for the purification of an aqueous suspension allows you to work effectively with only one soil type of sand and did not allow output suspended solids sludge. On completion of the processing of the entire mass of accumulated microorganisms with sand shows in the country, creating a danger to her and to the detriment of the environment.

Known line [5.6] contains the installation of collection, separation, processing sludge, which are mounted pumps, fencing devices, septic tanks, filters, heaters, centrifuges, separators, emulsion breakers feeding device, taken as a prototype [6] The lack of well-known line in the that disposal of oil contaminated solids produced at the facility for thermal. Production and installation of installations for thermal requires large capital expenditures and is performed in a steady performance due to significant overall size of the equipment. Collection of sediment on the large tailings pond area is complicated and is associated with the presence of a large number of flexible hoses for air supply to the pump, the intake and exhaust device of the collected sludge from the pump.

The aim of the present invention is to provide a collection of sediment large tailings pond, increasing the degree of oil and water treatment, obtained by processing oil sludge, ensuring neutralization sludge, reducing the capital cost of construction of the line, increasing the degree of waste disposal, soil, reducing the possible violations of the balance bioflory from the effects output microorganisms the number of which is millions of times greater than natural background.

This object is achieved by the fact that the line containing the installation of collection, separation, processing sludge, which are mounted pumps, fencing devices termootstoyniki, filters coarse and fine filters, mixers, hydrocyclone, centrifuge separators, devices for supplying emulsion breakers according to the invention is provided with the installation collection and pumping of sediment, installing clean water and sludge slurry and cultivation of biological strains, installation of complex clearing of soil aerobic and anaerobic microorganisms, biomass recycling plant, and the installation of separation of sludge and sediment is equipped with a device for the withdrawal of water and silt suspension, while the installation of collecting and pumping of sediment is equipped with a pivoting frame with arrow changing geometry, device erosion sediment water erosion intensity control mechanism, and the rotary frame mounted rotating mechanisms, boom lift and collection pump, pumping sediment, install clean water and sludge slurry and cultivation of biological strains equipped with input devices nutritional supplements tank processing water-sludge slurry biological culture of strains, which is equipped with input devices of the water-sludge slurry entering the steam entering the compressed air output of purified water and output water-sludge slurry with microorganisms, installation of complex soil treatment by aerobic and anaerobic microorganisms is provided with input devices nutritional supplements capacity soil treatment, which is equipped with devices receiving soil entering the water-sludge slurry with microorganisms, input compressed air agitation and output ground, setting the utilization of biomass is provided with input devices nutritional supplements capacitance processing soil, which is equipped with devices receiving soils, flexible biomass output, mixing and output neutralized soil.

Supply line installation collection and pumping of sediment, installing clean water and sludge slurry and cultivation of biological strains, installation of complex clearing of soil aerobic and anaerobic microorganisms, the installation of biomass decomposition, installation of separation of sludge and sediment from the output devices of water-sludge suspension allows for the collection bottom precipitate large tailings pond, to increase the degree of oil and water purification, obtained by processing oil sludge, to ensure neutralization of sludge, increase the degree of neutralization of solids (soil), to eliminate imbalance bioflory from the effects output of microorganisms, the number of which is millions of times greater than the natural background, cut capital costs for the construction of the line. Thus, we can conclude that there is a causal relationship between the set of essential features and technical effects listed above.

The proposed line for the collection, recycling and disposal of oil sludge of soil is represented in the drawings, where

LINE FOR COLLECTING, PROCESSING AND OIL SLUDGE SOIL DECONTAMINATION

1 is a block diagram of a line.

LINE FOR COLLECTING, PROCESSING AND OIL SLUDGE SOIL DECONTAMINATION

2 is a general view of the line.

The line consists of the following settings: Set the collection and pumping of sludge T04.01.-1, the installation of the collection and pumping of bottom sediment T04.02. 2, setting the collection and pumping sediment T04.03.-3, and the sludge separation unit sediment T05.01. 4-installation cleaning aqueous suspensions of sludge and biological culture of strains (T05.03.-5), the separation sludge and sediment T05.01.-6, the installation of water-purification sludge slurry and cultivation of biological strains T09.03.-7, the installation of washing soil T08.01.-8, sludge treatment plant T06.01.-9, installation of reception refined petroleum products and water T07.01.-10, installation of complex clearing of soil aerobic and anaerobic microorganisms T09.01. -11, Installation T09.02. 12-utilization of biomass.

The line includes accessories: a receiving hopper 13, the conveyor 14 Discharge hopper 15, 16 termootstoynik.

Installation of the collection and pumping T04.01.-1 provides for the collection of oil sludge, pulling sludge, grinding sludge clots, grass, tree branches and pumping sludge. Installing T04.01 comprises a pump 17, intake-chopper 18, fence 19, a two-way combination winch 20, a coil laying fences 21, 22.

Installation of the collection and pumping T04.02.-2 provides sediment sampling sediment, grinding sludge clots, debris and pumping of sediment. Installing T04.02. It comprises a pump 23, intake-chopper 24.

Installation of the collection and pumping T04.03.-3 provides sediment sampling sediment, erosion and sediment water pumping sediment. Installing T04.03. comprises a pump 25, a rotatable frame with an arrow 26, the device sediment erosion with erosion intensity control mechanism 27, the device 28 sediment collection, the mechanism of rotation of the frame with an arrow 29, the mechanisms of the boom 30, 31.

Installing the separation of sludge and sediment T05.01.-4.6 provides a separation and withdrawal of large mechanical impurities larger than 10 mm, sludge and sediment heating to a temperature of 45-50 o C, washing emulsifier and steam sand, water separation, withdrawal solids (soil), the oil and water phases, the water-mud suspension. Installing T05.01. demulsifier comprises a feeder 32, a self-cleaning filter 33, the capacity of receiving and separation of sludge 34 to output conveyor 35 and solids pumps 36, 37. The vessel 34 is equipped with internal devices for separating and outputting the oil and water phases (not shown), device steam input 38 O-water slurry sludge 39.

A treating aqueous sludge slurry and cultivation T09.03.-5,7 biological strains can receive the water-sludge slurry, water purification, sludge cultivation of microorganisms, the withdrawal of purified water and purified water and sludge slurry together with grown microorganisms. Installing T09.03. It comprises a processing capacity of water-sludge slurry and cultivation of biological strains 40, input device 41 nutrient supplements, 42. Volume 40 is equipped with internal devices cleaning aqueous sludge slurry (not shown), input devices aqueous sludge suspension 43, the compressed air 44 input , steam input 45, output 46 and purified water withdrawal of purified water and the sludge suspension together with 47 grown microorganisms.

Installation of washing soil T08.01.-8 provides washing oiled solids from the petroleum solvent and water vapor. Installing T08.01. device 48 comprises a combined reception stirring oily solids washing solvent, a solvent input device 49, input device 50 steam washing tank 51 with mechanical impurities conveyor 52 discharging the washed solids.

Installation cleaning T06.01.-9 sludge sludge heats to a temperature of 75-80 o C, separation, washing and output of mechanical impurities. Installing T06.01. demulsifier comprises feeder 53, 54, heater-mixer 55, a centrifuge 56, a deaerator 57, pump 58 and filter 59,60.

Installing produce refined petroleum products and water T07.01.-10 provides reheating sludge to a temperature of 90-98 o C, separation of refined petroleum products and water, and cleaning and oil and water from mechanical impurities. Installing T07.01. comprises a heater-mixer 61, separators 62, 63, the capacity of receiving and separating periodic "shooting" separators 64 with the conveyor 65 discharging impurities.

Installing T09.01.-11 complex cleaning of soil aerobic and anaerobic microorganisms provides a comprehensive cleaning of water-sludge suspension and mechanical impurities from complex hydrocarbon compounds, phenols and other harmful compounds using aerobic and anaerobic microorganisms. Installing T09.01. 66 comprises a container handling solids and devices 67, 68 enter nutritional supplements. Volume 66 equipped with a device 69 receiving the solids, a device 70 Input aqueous sludge slurry with microorganisms, input device 71 of the compressed air mixing device 72 and discharge of treated solids and microorganisms, together with the heater 73.

Installation biomass utilization T09.02-12 provides decomposition of biomass, including microorganisms accumulated at previous purification stages into carbon dioxide and water, and further allows to select and heavy metals. The decomposition of biomass is carried spore microorganisms (fungi). Installation T09.02 comprises receiving container 74, the processing of solids, biomass and devices 75, 76 enter nutritional supplements. Capacity 74 is equipped with a device 77 receiving mechanical impurities, biomass, mixing device 78 and the discharge of treated solids, the output device 79 colonies of spore bodies and the heater 80.

T18.02-13 receiving bin (see FIG. 1) can receive solids (soil) with units 4, 8, 9, 10, and feed them onto the conveyor 14.

The conveyor T18 / 03-14 provides transportation of solids (soil) from the hopper 13 to install 11.

Termootstoynik 16 provides additional cleaning of oil at the expense of longer time-sediment sludge than to install 4.

Hopper Discharge 15 provides reception of solids (soil) with units 9, 10. Mechanical impurities (soil) together with hopper loader transported to the receiving hopper 13. Hopper Discharge 15 allows the discharge of solids (soil) into a hopper 13.

LINE WORKS AS FOLLOWS

On the surface of the slurry tank expanded enclosure 19, both ends of which are fixed on the two-way combination winch 20. Depending on the wind load winch 20 is drawn right or left, or both ends of the fences, which are stacked on reels 21, 22, resulting in the fenced area of ​​sludge created the load on the upper layers of the sludge. Oil sludge is taken and pumped 17 on the suction pipe which is intake-chopper 18 for grinding sludge clots, grass, tree branches and other debris.

The collected oil sludge pump 17 is fed to the installation 4. The device 32 in the sludge stream is fed demulsifier, oil sludge goes to the self-cleaning filter 33, delayed large particles are removed from the filter in a container for the collection of mechanical impurities. The filtrate from the filter 33 enters the vessel 34.

Through the device 38 into the tank 34 is fed steam, which heats the oil sludge to a temperature of 50 o C, the impact of increasing the activity of a demulsifier, and an additional laundering and mechanical impurities. Under the influence of water vapor and demulsifier destroyed oil emulsions and washed oiled mechanical impurities (soils). Vessel 34 is equipped with internal devices (not shown) through which the bundle is provided on the oil sludge and the aqueous phase and mechanical impurities. The oil and aqueous phases are pumped by pumps 36, 37. The vessel 34 is equipped with the device for controlling selection of the level of the aqueous phase (not shown) with which the installation provides high purification sludge indicators low oil content, and with great. By means of the device 39 from the vessel 34 displayed aqueous slurry sludge (mechanical fine particle sludge, together with the aqueous phase), which is evacuated and device 43 is fed into the container 40. After the device 44 into the tank 40 is supplied with compressed air via the device 45 and the steam , the temperature is maintained in the vessel 30 o C. in the tank 40 through a hatch (not shown) loads the initial portion of the microorganisms. Getting in favorable conditions (presence of the culture medium, abundant aeration and optimum temperature), the microorganisms begin to intensively develop and reproduce. If enough power is abundant in container 40 devices 41, 42 are fed nutritional supplements. Thus, the container 40 is available a great number of strong, healthy organisms. Purified water from the tank 40 output device 46 and sent to the erosion of sediment in the slurry tank.

Bilge pump 37, the aqueous phase is directed to the erosion of sediment in the slurry tank.

Depending on the degree and variety of pollutants treated medium may be several units 5 (for cultivating any type of biological strains).

The output capacity of the pump 34, the oil 36 supplied to phase termootstoynik 16 which at 70 o C finally purified additional sludge. The result is a refined oil.

Bottom sediment eroded by water, the pump 23 is taken on which intake-chopper 24 mounted suction pipe.

Bottom sediment device settings 3 27, blurred water, the direction and intensity of erosion regulated. Diffuse bottoms pump 28 through the apparatus 25 is taken and fed to the subsequent processing. With the help of the swing frame 26 is carried out changes in sediment sampling area, and the mechanisms 30, 31 is changed boom geometry and the level (depth) of sediment fence.

Bottoms is sent to unit 6 which performs functions similar installation 4. The aqueous phase from the installation and 6 is directed to water-purification plant sludge and biological suspension culture of strains 7. Depending on the degree of contamination and variations plants treated medium 7 can be somewhat ( for cultivating any type of biological strains).

The oil phase from the installation unit 6 is directed to 9. To ensure a high degree of purification during the storage of oil sludge with 10 years or more oil phase units 4, 6 can be combined and sent to the general flow for processing. The sludge flow device 53 is fed demulsifier, oil sludge enters the heater-mixer 55, which is heated with steam to 80 o C temperature, and fed to a centrifuge 56. Under the influence of centrifugal force combined with the impact of de-emulsifier and oil sludge temperature cleaned of mechanical impurities, output from the centrifuge to the hopper 15. Discharge of supernatant (cleared from mechanical impurities slime) enters the deaerator 57, is released from the foam, and the air pump 58 is supplied to the filters 59, 60, cleaned of larger than 0.5 mm and particles directed to install 10. In the pump suction line 58 device 54 is fed demulsifier.

The plant 10 oil sludge reheated to a temperature of 95 o C in the heater-mixer 61 and is separated in a centrifugal separator 62. Under the influence of an emulsion breaker, temperature and centrifugal forces are divided most persistent oil emulsion and separated fine mechanical particles. The separator 62 outputs pure petroleum, water and intermittently on command - mechanical impurities, together with part of the aqueous phase. Clean oil is derived from the installation as a finished product, and water is again separated in separator 63 to yield pure water. Periodically output from separators 62, 63 "shooting" (mechanical impurities with water) collected in a container 64 in which mechanical impurities settle, and output conveyor 65 into the hopper 15 Discharge.

Mechanical impurities by installing six conveyor 35 are fed into the combination unit 48, wherein the washed solvent feed device 49. The washed solvent mechanical impurities into the vessel 51 displayed in the lower part of which the water vapor is introduced through the device 50. Mechanical impurities washed with water vapor and the conveyor 52 from the lower level with the output capacitance 51 installation.

Mechanical systems with impurity 4, 8, 9 and 10 are combined and fed into a hopper 13 from which the conveyor 14 are fed to the unit 11 into the container 66 through the apparatus 69. The tank 66 through device 70 5, or 7 units served aqueous sludge slurry together with the grown microorganisms. The container 66 devices 67, 68 are fed nutritional supplements, and the device 71 is supplied with compressed air. Heater 73 in the vessel 66 maintained at a temperature of 30 o C. In the process of purification and after its mechanical impurities mixed and discharged unit 72. Upon completion of the cleaning cycle aerobic microorganisms compressed air supply disconnected and continue cleaning solids (soil) in anaerobic conditions, while introduces a portion of anaerobic microorganisms.

Purified mechanical impurities together with dead aerobic and anaerobic microorganisms device 72 is discharged through device 77 into the container 74 into the tank 12. The installation 74 devices 75, 76 are fed nutrients and additives are charged through a manhole (not shown), the initial phase of spore microbes (fungi) which decompose accumulated aerobic and anaerobic microorganisms into carbon dioxide and water. Periodically device 78 mechanical impurities mixed together with the biomass. Upon completion of the process of biomass utilization neutralized mechanical impurities output device 78 to the environment. When unloading neutralized mechanical impurities device 79 separate colonies of spore bodies, which are dried and sent for further processing to extract from them the individual elements accumulated.

CLAIM

The line for the collection, processing oil sludge and decontamination of soil containing the installation of collection, separation, processing sludge, which are mounted pumps, fencing devices termootstoyniki, filters coarse and fine filters, mixers, hydrocyclone, centrifuge separators, devices for supplying emulsion breakers, characterized the fact that the line is provided with the installation of collection and pumping of sediment, installing clean water and sludge slurry and cultivation of biological strains, installation of complex clearing of soil aerobic and anaerobic microorganisms, biomass recycling plant, and the installation of separation of sludge and sediment is equipped with a device for the withdrawal of water and sludge suspension, while the installation of collection and pumping of sediment is equipped with a pivoting frame with arrow changing geometry, device erosion sediment water with the mechanism of regulation of the intensity of erosion, and the rotary frame mounted arrangements rotation, boom lift and pump collection, pumping sediment, install clean water -ilovoy biological suspensions and culturing strains provided with input devices nutritional supplements, processing capacity of the water-sludge slurry and cultivation of biological strains, which is equipped with input devices of the water-sludge slurry entering steam, compressed air input, output, and output of treated water, sludge suspension water together with microorganisms, installation of complex cleaning soil aerobic and anaerobic microorganisms is provided with input devices nutritional supplements capacity soil treatment, which is equipped with devices receiving soil entering the water-sludge slurry with microorganisms, input compressed air agitation and output ground, setting the utilization of biomass is provided with devices input of nutrients, soil processing capacity, which is equipped with devices receiving soils, O fungal biomass, mixing and output neutralized soil.

print version
Publication date 19.02.2007gg