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INVENTION
Russian Federation Patent RU2263826
METHOD OF WORK ejector unit heat and hot water
Name of the inventor: Fissenko Vladimir Vladimirovich (RU)
The name of the patentee: Fissenko Vladimir Vladimirovich (RU)
Address for correspondence: 125239, Moscow, Bulvar Zheleznyaka Sailor, 33, Bldg. 1, Apt. 95, VV Fissenko
Starting date of the patent: 2004.01.27
The invention relates to the field of jet technology, primarily to the ejector unit of the central or autonomous heating and hot water. The technical result - the expansion of the functional installation capabilities through the creation of an integrated system of heating and hot water in the installation of devices without mechanical drive. When this feature solutions is that a portion of the cooled liquid stream is fed as the hot water in the hot water supply, and the input of the jet device is supplied the missing part of water equivalent to the consumption of the hot water consumer, the system cold water, and the installation is provided with a battery-tank which is connected to the water supply system, and simultaneously communicates with teplopotreblyayuschim device from the inlet into it of the heated liquid and the outlet side thereof cooled liquid stream to supply heated liquid in a storage tank, mixing it with cold water from the water supply and discharge of an accumulator tank it obtained mixture together with a part of said cooled liquid stream in hot water.
DESCRIPTION OF THE INVENTION
The invention relates to the field of jet technology, primarily to the ejector unit of the central or autonomous heating and hot water.
A method of operating ejector unit heat supply, comprising supplying to the nozzle jet apparatus of heated coolant, mixing it with the chilled liquid stream supplying the heated coolant mixture and the cooled liquid stream to form a heated fluid flow in teplopotreblyayuschee device and retraction of teplopotreblyayuschego device chilled liquid stream input inkjet the device (see. the SU 1290015, cl. the F 04 F 5/02, 1987).
In this method, a heat-generating installation work ejector coolant is only heated by heat transfer from the heated coolant to the chilled and then teplopotreblyayuschem heat removal device performed as intended, for example for heating of a room. A disadvantage of this technical solution is that it does not use the energy of the fluid flow, in particular the kinetic energy of the flow, which drastically reduces the effectiveness of the method.
The closest to the described method of operation is the installation of the ejector heat and hot water supply, comprising supplying to the nozzle jet apparatus as heated coolant steam from a steam boiler, a steam nozzle acceleration, acceleration chilled liquid stream and a vapor mixture cooled liquid stream to form a two-phase flow and transfer at the expense of the two-phase flow at supersonic flow regime, the organization in a supersonic two-phase pressure surge flow with simultaneous conversion to a two-phase flow pressure jump in single-phase flow of heated liquid, supplying the heated coolant mixture and cooled liquid stream in the form of heated liquid stream in teplopotreblyayuschee device feeding a portion of the heated liquid flow from the jet apparatus to feed a steam boiler and removal of the device teplopotreblyayuschego chilled liquid flow at the entrance of the jet device (see. RU 2127832 C1, cl. F 04 F 5/54, 20.03.1999).
This method makes it possible through the use of the jet apparatus to organize the heating system, but this method does not allow to organize simultaneous hot water heated object, which narrows the scope of its use.
The task to be solved by this invention is to extend the functional capabilities the installation by creating a complex system of heating and hot water in the installation of devices without mechanical drive.
This object is achieved in that the ejector unit operation method of heat and hot water supply, comprising supplying to the nozzle jet apparatus as heated coolant steam from a steam boiler, a steam nozzle acceleration, acceleration chilled liquid stream, mixing the cooled steam and liquid flow to form a two-phase flow and the transfer through this two-phase flow at a supersonic flow regime, the organization in a supersonic two-phase pressure surge flow while converting the shock pressure two-phase flow in single-phase flow of the heated fluid supplying the heated coolant mixture and the cooled liquid stream as a heated liquid stream in teplopotreblyayuschee device, feeding a portion of the heated liquid flow from the jet apparatus to feed a steam boiler and removal of teplopotreblyayuschego device cooled liquid to the input stream of the jet device according to the invention part of the cooled liquid stream after teplopotreblyayuschego device serves as the hot water in the hot water system, and input jet apparatus serves an equivalent flow rate of the hot water quantity of cold water from the water supply system, wherein the installation is provided with a battery-tank which is connected to the water supply system, and simultaneously communicates with teplopotreblyayuschim device from the inlet into it of the heated liquid and the outlet side thereof cooled liquid stream to supply heated liquid in a storage tank, mixing it with cold water from water supply and discharge of the battery received therein tank mixture together with a chilled liquid stream in hot water.
Studies have shown that a significant impact on the work described ejector unit provides transition mechanism in a two-phase state, the flow mechanism in the two-phase state and the mechanism of the transition from the two-phase state to a single-phase or single-phase virtually, ie in fluid flow with microscopic vapor bubbles. Essential homogeneity and has obtained a two-phase flow, which is achieved due to the fact that during the conversion of single-phase two-phase flow in the last converted into a supersonic flow at the same possibility is achieved in a wider range to vary the flow gas content with less energy costs.
Important to improve the heat dissipation efficiency is the flow of the braking process with the flow passage in a single phase or substantially single phase, ie, in a liquid stream Combined Cycle microscopic bubbles.
During braking in the two-phase flow pressure drop organize with reduced speed to a subsonic value. Proportional pressure rise increases the amount of liquid phase, with a sharp pressure increase (an abrupt increase) leads to a structural transformation in the liquid, which promotes the release of a larger amount of heat as compared with a conventional braking stream into a profiled channel with possible to arrange the installation operation, when the further heat will occur mainly in teplopotreblyayuschem device such as a battery heating water, as a liquid stream to be heated to collapse microscopic steam bubbles, which is caused to flow teplopotreblyayuschem braking device.
Of fundamental importance is the use as the heated coolant from the steam boiler because the use of steam in combination with the jet apparatus has allowed to create a system without using a drive system with a mechanical drive, which greatly enhanced the reliability of the installation work and at the same time increased the efficiency of the installation work as inkjet machine not only organizes the circulation of heated fluid through teplopotreblyayuschee device, but also the additional due transformation described above provides a fluid flow heating fluid.
The above-described organization of the jet device together with steam boiler allows wide enough range to regulate the flow of the heated fluid flow regime in teplopotreblyayuschee device. As a consequence, it is possible to organize the work of the installation in such a way that after teplopotreblyayuschego device cooled liquid stream has sufficient temperature and sufficient pressure to a part of the liquid stream was fed into the domestic hot water system for the organization of the supply of hot water for household needs. This removal of the circulation system of the cooled fluid flow is compensated by a supply of cold water from the water supply system, under which essentially can be understood as any source of supply of cold water for household needs.
No less important is the organization of a continuous supply of hot water to the consumer provided that fluctuations of consumption of hot water, while heat consumption of the system is sufficiently smooth graph of temperature change, such as day and night periods, or due to changes in weather conditions. install battery supply tank connected directly to three sources: the system of cold water, withdrawing the cooled liquid stream of teplopotreblyayuschego device and the cart heated fluid from the jet unit in teplopotreblyayuschee device solves the problem of the continuous supply of hot water to the consumer. As a result of a sharp increase in the consumption of the hot water heated its water from the accumulator tank is supplied to the hot water system and its place in akkumuryatorny tank enters the cold water from the water supply system. At the same time increasing the supply of steam to the jet nozzle apparatus and the latter translated into enhanced mode supply heated fluid, which leads to an increase in the consumption of cold water jet apparatus from a cold water supply. Larger amount of heated liquid begins to flow into the storage tank to heat the water in it to a predetermined level and bypassing teplopotreblyayuschee device, the heated liquid stream begins to flow to the output of the last and mixed with the cooled liquid stream enters the hot water system. By lowering the hot water consumption is reduced steam supply to the nozzle of the jet device. Accordingly, it reduced cold water jet apparatus. On reaching the predetermined water temperature in the storage tank, and it stops the supply of heated liquid and installing smoothly returns to the initial operation.
Thus, the described method of operating ejector unit of heat and hot water achieves the objectives set in the present invention - to expand the functionality of the work described ejector unit.
The drawing is a schematic diagram of the installation, which can be implemented in the described way of operation.
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Ejectorcleaner a fuel plant comprises a steam boiler 1, an inkjet apparatus 2 teplopotreblyayuschee device 3, a storage tank 4, hot water system 5 and a system of cold water 6, wherein the steam boiler 1 pair connected to the nozzle jet apparatus 2, the latter output is connected to teplopotreblyayuschemu device 3, storage tank 4 and removal of the cooled liquid stream teplopotreblyayuschego unit 3. in turn, teplopotreblyayuschee device 3 by removing therefrom the cooled liquid stream is connected to the battery 4, the tank, the hot water supply 5, and the entrance of the jet device 2, which is in turn, is connected to the cold water supply system 6. out jet apparatus 2 is connected to the steam boiler 1 and the cold water supply system 6 is connected to the battery 4 tank. |
Setting that implements the described method, operates as follows.
Describes the installation operates as follows
Steam from the steam boiler 1 is supplied to the nozzle jet apparatus 2. The apparatus 2 jet nozzle accelerates pairs and dripping from the nozzle entrains a jet apparatus 2 cooled liquid stream which, entering the jet apparatus 2, dispersed in a shaped channel. Further overclocked vapor stream and the cooled mixed solvent stream in the jet device 2 to form a two-phase gas-liquid flow from the liquid vapor transmission part of its thermal energy. Because the speed of sound in a two-phase medium is considerably lower than in the liquid or gas phase stream is converted into a supersonic two-phase flow. Thereafter, for example, by means of a supersonic flow in the jet device 2 in the expanding channel of a supersonic two-phase flow organize pressure surge resulting two-phase stream is converted to a single-phase liquid flow, and in the conversion process as a result of near instantaneous collapse of a pressure shock steam bubbles occurs heating the liquid to form at the outlet from the jet device 2 of the heated fluid stream which, depending on the mode of operation of the jet device may comprise two microscopic steam bubbles. From jet apparatus part 2 of the heated fluid stream is directed to a storage tank 4 to create a pool of hot water and steam boiler 1 to feed it, and another portion of the heated fluid stream is directed to teplopotreblyayuschee device 3, such as in battery-water heating of a building or room where the heat transfer process takes the consumer, and by the collapse of microscopic bubbles in the resulting flow in the braking device 3 occurs teplopotreblyayuschem additional heating of the heated fluid stream to provide increased heat removal from teplopotreblyayuschego device 3. As a result the recoil teplopotreblyayuschim heat consumer device 3 heated liquid stream converted into a chilled liquid stream which is fed to the reheating of teplopotreblyayuschego device 3 jet apparatus 2, a portion of the cooled liquid stream is supplied as hot water in the hot water supply 5, while the missing part of the water equivalent of hot water consumption the consumer comes from cold water supply system 6, the input of the jet device 2, where it is mixed with a chilled liquid stream and further together with the latter with the steam jet apparatus 2.
With a sharp increase in the consumption of hot water of the hot water in it from the accumulator tank 4 is supplied to the hot water system 5, and in its place in akkumuryatorny tank 4 is supplied cold water from the water supply system 6. At the same time increasing the supply of steam to the jet nozzle unit 2 and the latter being translated into increased mode supply heated liquid, resulting in an increase of consumption of cold water jet apparatus 2 from a cold water supply system 6. The increased number of heated liquid begins to flow into storage tank 4 for heating the water therein to a predetermined level and bypassing teplopotreblyayuschee device 3, the flow of the heated fluid begins to flow to the output of the latter and, mixing with the cooled liquid stream enters the hot water system. By lowering the hot water consumption is reduced steam supply to the jet nozzle apparatus 2. Accordingly, reduced cold water jet apparatus 2. Upon reaching the set temperature of the water in the storage tank 4 it and mutes the heated fluid and the installation smoothly returns to the original mode of operation.
The present invention described above can be used in stand-alone installations of fuel for heating various premises where there is no central heating and hot water to the consumer.
CLAIM
A method of operating ejector unit heating and hot water supply, comprising supplying to the nozzle jet apparatus as heated coolant steam from a steam boiler, the dispersal of steam within the nozzle, the dispersal of the cooled liquid stream, mixing the steam and cooling liquid stream to form a two-phase flow and the transfer through this two-phase flow at a supersonic flow regime, the organization in a supersonic two-phase pressure surge flow while converting the two-phase flow pressure jump in single-phase flow of the heated fluid supplying the heated coolant mixture and the cooled liquid stream to form a heated fluid flow in teplopotreblyayuschee device feeding a portion of the heated fluid stream from jet apparatus for feeding a steam boiler and retraction of teplopotreblyayuschego device cooled liquid stream to the input of the jet device, characterized in that a portion of the cooled liquid stream is fed as the hot water in the hot water supply, and the input of the jet device is supplied the missing part of water equivalent to the consumption of hot water consumer from a cold water supply system, wherein the installation is provided with a battery-tank which is connected to the water supply system, and simultaneously communicates with teplopotreblyayuschim device from the inlet into it of the heated liquid and the outlet side thereof cooled liquid stream to supply heated liquid to the battery tank mixing it with cold water from water supply and discharge of the battery received therein tank mixture together with a part of said cooled liquid stream in hot water.
print version
Publication date 08.12.2006gg
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