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INVENTION
Patent of the Russian Federation RU2183800
CONTACT WATER HEATER AND HEAT SUPPLY SYSTEM
The name of the inventor: M. Vesengiriev; Vesengiriev A.M.
The name of the patent holder: Limited Liability Company "Teploenergosberezhenie"; Vesengiriev, Mikhail Ivanovich; Vesengiriev Andrey Mikhailovich
Address for correspondence: 123298, Moscow, ul. 3-ya Khoroshevskaya, 16, OOO "TES", to VM Shkliansky
Date of commencement of the patent: 2000.09.13
The invention relates to heat power engineering and can be used for autonomous supply of hot water and heating dispersed residential and industrial facilities. SUMMARY OF THE INVENTION: The container in the contact water heater is divided into a liquid and a gas cavity, the latter is provided with guide partitions with the formation of chambers communicating with the flue. The burner is installed with a slope to the mirror of the liquid. In the heat supply system, the flue gas is communicated with the consumer, and a device for utilizing the heat of the outgoing gases is installed. The burner of the water heater is equipped with a water jacket, which is communicated with the utilizer. Such execution allows increasing the time of contact of combustion products with water and increasing the efficiency of work.
DESCRIPTION OF THE INVENTION
The invention relates to the field of heat power engineering and can be widely used for autonomous supply of hot water and heating dispersed residential and industrial facilities.
A water heater is known, which contains a combustion chamber with burners, from where the combustion products of the fuel enter a horizontal zone with a water jacket. Then the flue gases enter a vertical zone of contact heat exchange, where water is sprayed. After that, the cooled flue gases are thrown into the atmosphere, and hot water enters the consumer (USSR 832263, class F 24 N 1/00, 23.05.1981) .
The disadvantage of this device is the low efficiency due to the non-return to the heat cycle of the exhaust gases.
A device for producing a heat carrier in the form of a gas-vapor mixture is known, comprising a combustion chamber connected to a flue, a fuel supply device and screen tubes with a lower, upper manifold and a spray of heated water along the flue gases from the upper manifold, a makeup pump, a smoke exhaust fan, a fan RF 3098720, F 24 D 1/00, 1997) .
The disadvantage of this device is the complexity of the design, large weight and dimensions, operation under excessive pressure, low efficiency due to the presence of energy-consuming elements and the lack of utilization and return to the heat cycle of the exhaust gases.
The closest contact heater to the proposed contact heater is a contact water heater containing a burner with an ejector sucking water from the surrounding water jacket and feeding it to the nozzle where contact heat exchange occurs and a flue with a device for utilizing the heat of the exhaust gases with cold or reverse water, which is then fed with a water Shirt of the burner (see AS USSR 142749, class F 24 H 1/44, 1961) .
The disadvantage of this device is the reduced efficiency of the burner due to the short contact of heated water with the products of combustion of fuel, low reliability in operation due to the complexity of the coordination of combustion and water supply.
The closest to the proposed heat supply system is a heat supply system comprising a device for obtaining a heat carrier in the form of a vapor-gas mixture with means for spraying water into the combustion products stream of fuel, a device for supplying fuel, a flue (see AS 989233, class F 24 H 1/10, 15.01.1983) .
The disadvantage of this design is its complexity, large weight and dimensions, low efficiency due to the presence of energy-consuming elements and the short-term contact of water with outgoing gases.
The technical problem to be solved in this invention is to create an easy to manufacture and operate contact hot water heater and heat supply system, to supply high-efficiency thermal energy to dispersed residential and production facilities.
The stated task is solved by the fact that in a contact water heater containing a burner with an ejector sucking water from the surrounding water jacket and supplying it to a nozzle where contact heat exchange occurs and a flue with a device for utilizing the heat of the exhaust gases by cold or reverse water, which is then fed with a water The burner is installed tangentially or with a slope to the mirror of the liquid on the container, which is divided into a liquid and a gas cavity and in the gas cavity is provided at the top by upper and lower lower ones forming a series of chambers by guide baffles to increase the duration of contact of water and combustion products of the fuel.
In addition, the upper baffles may be provided with a tilt and / or hinge and with a tilting device.
The guiding baffles may be formed to form a bypass passage along the width of the container, having in the cross-section a shape in the form of a branch pipe.
In addition, the water heater can be made with a smoke exhauster installed after the heat recovery of the exhaust gases in the flue.
A heat supply system comprising a device for producing a heat carrier in the form of a vapor-gas mixture with a means for spraying water into a stream of combustion products of a fuel, a fuel supply device and a flue, is provided with a burner, an ejector sucking water from the surrounding water jacket and supplying it to the nozzle, Contact tangential heat, and tangentially or with a slope to the mirror of the liquid, is installed above the liquid on the container, which is divided into a liquid and a gas-vapor cavity and in the gas-vapor chamber is provided at the top by upper, bottom bottom, forming a series of chambers by continuous guide baffles, where the contact of the combustion products of the fuel with the liquid , And then the capacity of the flue is communicated with the consumer, from where the spent coolant and its condensate are discharged into a chimney made parallel to the flue, where the device for utilizing the heat of the flue gases with feedwater is provided, which then, together with the condensate, enters the water jacket of the burner.
In this case, the upper baffle plates can be formed to form a bypass passage along the width of the container, which has a nozzle shape in section.
In addition, in the described heat supply system, a lattice or cyclone drift trap can be provided at the outlet of the combustion products of the fuel from the vessel.
The essence of the invention is shown in the drawings, where
 1 shows a contact water heater |
 FIG. 2 shows a heat supply system |
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Figures 3 to 10 show particular cases of carrying out the capacity of the device | |||
An example of the implementation of the proposed solutions.
The contact water heater and the heat supply system are in the form of a burner 1 (FIG. 1-2) with a gas or diesel burner 2 that sucks the water from the surrounding water jacket 3 and ejects it into the nozzle 4 where contact heat exchange occurs. The burner is tangentially or sloped to the liquid mirror installed on a thermally insulated container 5, which is made of metal, for example made of sheet steel, or made of building materials, for example from heat-resistant concrete, and is divided into liquid 6 and gas-vapor-gas 7 cavities. In the gas cavity over the whole width, the container is equipped with upper 8 upper bottom, bottom bottom 9 with solid guide partitions, which form the necessary number of chambers in a row. The products of combustion of fuel from the tank by natural draft or by the draft of a smoke exhaust (not shown) enter the flue 11, (Figure 1), a device is provided for utilizing the heat of the flue gases with cold feedwater or return water 12, which then feeds the water jacket of the burner along line 13. Hot water from the vessel by gravity or pump 14 is supplied to the consumer for utility or production needs.
In the second variant, the coolant flows through the gate 11 (FIG. 2) through the gate 15 to the consumer 16, from where the spent coolant and its condensate are discharged into a chimney 17 made parallel to the flue, where a device for utilizing the heat of the flue gases with feedwater 12 is provided, which then With the condensate, the water jacket of the burner is fed through line 13.
If more than one consumer is connected to the flue, then after the last user a locking device 18 is installed.
In particular cases of the device, the baffles in the containers may be sloped to the liquid mirror 19 (Fig. 3 to 10), on the hinges and with the device 20 adjusting their inclination, the partitions can only be lower 21 or only upper 22, in section having the form The nozzle 23. The container can also be made generally without chambers (not shown), with a trellis trap 24, with a cyclone-dropper 25, with a bubbler 26.
Control and measuring devices regulating the level of liquid in the tank, the temperature of the hot water and coolant supplied to the consumer are not shown in the drawings.
The contact water heater and the heat supply system work as follows.
The feed water from the water supply or the return water from the line 12 (FIG. 1-2) is fed to the waste heat of the flue gas 11 or to the chimney 17. Then, the thus warmed water by gravity along line 13 enters the water jacket 3 and is pumped by the ejector Into the nozzle 4 of the burner 1. The combustion products of the fuel supplied by the gas or diesel burner 2 and are supplied to the nozzle 4 of the burner 1, where the contact heat exchange takes place. The heated water is collected in the liquid space 6 of the container 5. The level of the liquid, its temperature, and consequently the supply of fuel to the burner 2 of the feedwater 13 into the jacket 3 of the burner 1, is controlled and regulated by control and automation devices. Hot water from the tank 5 of the water heater by pump 14 or gravity flow is supplied to the consumer.
The combustion products of the fuel after leaving them from the nozzle 4 of the burner 1 in the vessel 5 are contacted the liquid as many times as necessary in the chambers 10 formed by the guide partitions 8 and 9, which prolongs the contact heat exchange time of the water and the combustion products of the fuel and increases the thermal efficiency of the installation. From the gas tank 5, the vapor-gas mixture enters the flue 11. From the duct 11 (FIG. 2), the coolant flows to the consumer 16 or, if more than one is connected to the consumer 16, the supply of the heat medium to each consumer 16 is effected through a shut-off device 15 From the consumer 16, the spent coolant and its condensate are discharged into a chimney 17 where the heat of the exhaust gases is fed by feedwater 12, which is then fed into the jacket 3 of the burner 1 together with the condensate.
Smoke gases from the chimney 17 and from the gas flue 11 of the water heater are thrown into the atmosphere by natural draft or by the draft of smoke.
The proposed contact water heater and heat supply system are easy to manufacture and operate. They can, with high efficiency, autonomously supply heat energy dispersed residential and production facilities.
CLAIM
1. A contact water heater comprising a burner with an ejector sucking water from the surrounding water jacket and delivering it to the nozzle where contact heat exchange occurs and a flue with a device for utilizing the heat of the exhaust gases by cold or reverse water, which is then fed to the water jacket of the burner, , That the burner is installed tangentially or with a slope to the mirror of the liquid on the container, which is divided into a liquid and a gas cavity and in the gas cavity is provided at the top by upper and lower lower ones forming a series of chambers by guide baffles to increase the duration of contact of water and combustion products of the fuel.
2. A water heater according to claim 1, characterized in that the upper baffles are sloped and / or hinged and with a tilting device.
3. The water heater according to claims 1 and 2, characterized in that the baffles are formed to form a passageway along the width of the container, having a nozzle shape in section.
4. The water heater according to claims 1 to 3, characterized in that it is made with a smoke exhauster installed after the heat recovery boiler of the exhaust gases in the flue.
5. A heat supply system comprising a device for producing a heat carrier in the form of a vapor-gas mixture with a means for spraying water into the combustion products stream of fuel, a fuel supply device, a flue, characterized in that it is provided with a burner, an ejector sucking water from the surrounding water jacket and Feeding it into the nozzle where contact heat exchange takes place, and tangentially or with a slope to the mirror of the liquid is installed above the liquid on the container, which is divided into liquid and vapor-gas cavities and in the vapor-gas cavity is provided at the top by the upper, lower lower ones, forming a series of chambers by continuous guiding partitions, where The contact of the combustion products of the fuel with the liquid is prolonged, and then the capacity of the flue gas is communicated with the consumer, from where the spent coolant and its condensate are discharged into a chimney made parallel to the flue, where the device for utilizing the heat of the flaring gases with feedwater is fed to the water Shirt burner.
6. The heat supply system according to claim 5, characterized in that the upper baffles are sloped and / or hinged and with an inclination adjusting device.
7. A heat supply system according to claim 5 and 6, characterized in that the baffles are formed to form a bypass channel along the width of the container, which has a nozzle shape in section.
8. The heat supply system according to claim 5-7, characterized in that a grate or cyclone drift eliminator is provided at the outlet of the combustion products of the fuel from the tank.
print version
Date of publication 01.01.2007гг
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