CN214891958U - Multi-heat-source coupling heat pump steam heating system - Google Patents
Multi-heat-source coupling heat pump steam heating system Download PDFInfo
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- CN214891958U CN214891958U CN202120051690.9U CN202120051690U CN214891958U CN 214891958 U CN214891958 U CN 214891958U CN 202120051690 U CN202120051690 U CN 202120051690U CN 214891958 U CN214891958 U CN 214891958U
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Abstract
The utility model discloses a many heat sources coupling heat pump steam heating system, including many heat sources heating module, heat pump module and high-temperature steam heating module, many heat sources heating module connect heat pump module, and high-temperature steam heating module is connected to the heat pump module. A heat source is provided for the water medium in the flash evaporation liquid storage tank through the solar device, the waste heat fluid device and the heat pump device, so that the water medium forms low-pressure steam. The low-pressure steam enters the evaporating coil in the evaporating pot through the steam compressor, and the liquid in the evaporating pot exchanges heat with the evaporating coil to form high-temperature steam. The high-temperature steam is heated by the heating steam compressor to form high-temperature high-pressure steam, and the high-temperature high-pressure steam enters the heating box to be heated.
Description
Technical Field
The utility model relates to a heat pump technology and application especially relate to a many heat sources coupling heat pump steam heating system, belong to energy and heat pump technical field.
Background
Heating refers to a process of removing the solvent in some way to retain the solid content, and generally refers to a process of introducing hot air to evaporate and carry away the water in the material. The heating technology is widely applied in industry and has very great application potential. The general heating adopts thermal heating, and needs to consume huge heat to meet the use of the technology. Conventional heating techniques have relied on boiler heating systems, using coal-fired boilers to generate steam. However, with the advent of national environmental protection policy, coal-fired boilers will be gradually replaced, and new heating technologies are applied and researched. However, the use of high-cost energy for heating in the industrial heating field is limited based on the use environment of the industrial heating.
The heat pump system is an efficient energy-saving system, low-grade energy can be effectively recycled through the heat pump system, and consumption of high-grade energy is reduced, so that utilization efficiency of energy is improved, and pressure of energy crisis is relieved. The low-grade energy in nature is converted into high-grade energy through the heat pump system, the conversion from low temperature to high temperature is further realized, and the heat pump system is widely applied to the production and life of the society.
In the prior art, the heat pump heat transfer working medium in the heat pump system is mainly made of chlorofluorocarbon artificial synthetic substances, and the working medium can destroy the ozone layer, so that the greenhouse effect is increased, and the future use and development of the heat pump heat transfer working medium are obviously limited from the viewpoint of environmental protection. Based on this, more and more heat pumps begin to use environment-friendly working media with low-temperature chamber effect at present, and water as a natural working media receives wide attention and research. In order to break through high temperature heat pump systems that supply heat at 100 degrees celsius, multi-stage compression is increasingly used to improve the efficiency of the heat pump system.
The Chinese patent application with the application number of 201710630592.9 discloses a two-stage flash evaporation and two-stage compression heat pump device with double heat sources, which adopts a mode of double heat sources, two-stage flash evaporation and two-stage compression to convert low-grade heat sources into high-grade heat sources.
The Yangqiang of the institute of mechanical and electronic engineering, Shandong university of science and technology, in the article "energy-saving analysis of solar air source heat pump multi-heat source combined hot water system" discloses that in order to fully utilize low-grade heat energy throughout the year, a composite system with more energy-saving potential is provided: Solar-Air energy-sewage waste heat recovery (SAW). The composition and operation principle of the SAW hot water system and the calculation and analysis of the heat load of the SAW system are mainly provided, and a specific available heat pump system structure is not provided.
SUMMERY OF THE UTILITY MODEL
In view of industrial heating technology's among the prior art heat source supply because environmental protection and cost development are limited, combine heat pump system and SAW system theory, the utility model provides a novel many heat sources coupling heat pump steam heating system that environmental protection, energy utilization are high.
The utility model provides a multi-heat-source coupling heat pump steam heating system, which comprises a multi-heat-source heating module, a heat pump module and a high-temperature steam heating module, wherein the multi-heat-source heating module is connected with the heat pump module, and the heat pump module is connected with the high-temperature steam heating module; the multi-heat-source heating module comprises a flash evaporation liquid storage tank, and the flash evaporation liquid storage tank is connected with a solar device, a waste heat fluid device and a heat pump device; the heat pump module comprises a vapor compressor and an evaporation tank, the flash evaporation liquid storage tank is connected with the vapor compressor, the vapor compressor is connected with an evaporation coil in the evaporation tank, the evaporation coil is connected with a liquid collection tank, and the liquid collection tank is connected with the flash evaporation liquid storage tank to form a loop; the high-temperature steam heating module comprises a heating steam compressor and a heating box, the evaporating pot is connected with the heating steam compressor, and the heating steam compressor is connected with the heating box. A heat source is provided for the water medium in the flash evaporation liquid storage tank through the solar device, the waste heat fluid device and the heat pump device, so that the water medium forms low-pressure steam. The low-pressure steam enters the evaporating coil in the evaporating pot through the steam compressor, and the liquid in the evaporating pot exchanges heat with the evaporating coil to form high-temperature steam. The high-temperature steam is heated by the heating steam compressor to form high-temperature high-pressure steam, and the high-temperature high-pressure steam enters the heating box to be heated.
The flash evaporation liquid storage tank is used for storing the water working medium in the water working medium high-temperature heat pump system on one hand and receiving the heat of the multi-heat-source heating system on the other hand to realize the evaporation of the water working medium; the evaporating tank is mainly used for receiving condensation heat of the water working medium high-temperature heat pump system and further heating supplementary liquid of the high-temperature steam heating system to evaporate the supplementary liquid.
Preferably, a spray plate is arranged in the flash evaporation liquid storage tank, and the flash evaporation liquid storage tank is divided into two spaces by the spray plate; the flash evaporation liquid storage tank uses water working medium. High-temperature hot water is dispersed through the spray plate, a gas-liquid two-phase mixture is further dispersed, and liquid flows downwards uniformly and is fully heated.
Preferably, the flash evaporation liquid storage tank uses water working medium. The utility model uses water as the circulating working medium, compared with other working media, the water is easy to obtain, the use cost is lowest, and the economical efficiency is good; the chemical property of the water is very stable, the decomposition caused by long-term use of other working media does not exist, the water per se has no damage to the ozone layer, the greenhouse effect is low, the damage of the chlorine-fluorine hydrocarbon artificial synthesis working media to the ozone layer and the high greenhouse effect are avoided, and the environment is effectively protected; the water has good safety, has no dangerous attributes such as toxicity, flammability, explosiveness and the like, and can not form any potential safety hazard when being used as a circulating working medium to leak under liquid or gas state.
Preferably, the novel solar device comprises a solar heat collector, wherein the solar heat collector is connected to the flash evaporation liquid storage tank through a solar water outlet pipe and a solar water inlet pipe to form a working medium circulation loop; a solar circulating pump is arranged on the solar water inlet pipe; the solar water outlet pipe extends to the upper part of the spraying plate in the flash evaporation liquid storage tank, and the tail end of the outlet of the solar water outlet pipe is provided with a spraying head.
As preferring, this novel waste heat fluidic device includes waste heat outlet pipe, waste heat evaporating coil, waste heat inlet tube, and waste heat evaporating coil sets up the below of the board that sprays in the flash distillation liquid storage tank, and waste heat outlet pipe and waste heat inlet tube are connected respectively to waste heat evaporating coil.
Preferably, the novel heat pump device comprises a heat pump compressor, a heat pump exhaust pipe, a heat pump condensing coil, a heat pump liquid return pipe, a heat pump expansion valve, a heat pump expansion pipe, a heat pump evaporator, a heat pump air suction pipe, an evaporation heat inlet pipe and an evaporation heat exhaust pipe; the heat pump condensing coil is arranged below the spray plate, an inlet and an outlet of the heat pump condensing coil are respectively connected with a heat pump exhaust pipe and a heat pump liquid return pipe, the heat pump exhaust pipe is connected with a heat pump compressor, the heat pump compressor is connected with a heat pump air suction pipe, and the heat pump air suction pipe is connected with a heat pump evaporator; the heat pump liquid return pipe is connected with a heat pump expansion pipe through a heat pump expansion valve, and the heat pump expansion pipe is connected with a heat pump evaporator. The heat pump evaporator is externally connected with an evaporation heat inlet pipe and an evaporation heat outlet pipe, and the evaporation heat inlet pipe and the evaporation heat outlet pipe are communicated in the heat pump evaporator.
The heat that this neotype heat pump device provided can select multiple different forms such as air source heat pump, water source heat pump or waste heat source heat pump, can design according to actual demand. The three preferable modes of the novel device can be combined and used at will.
Preferably, the novel evaporation tank is internally provided with a liquid distribution plate, the evaporation tank is separated into two spaces by the liquid distribution plate, and an evaporation coil is arranged below the liquid distribution plate; the flash distillation liquid storage pot passes through the breathing pipe and connects vapor compressor, and vapor compressor passes through the blast pipe and connects the evaporating coil import, and the evaporating coil exit linkage returns the liquid pipe, returns the liquid piping connection and collects the fluid reservoir, and the expansion pipe is connected to the collection fluid reservoir, sets up the expansion valve on the expansion pipe, and the expansion pipe export end extends to the top that sprays the board, and the export end of expansion pipe sets up the sprinkler head.
As preferred, this neotype collection fluid tank and vapor compressor pass through the moisturizing control tube and connect, set up the moisturizing governing valve on the moisturizing governing tube. Through using moisturizing adjusting valve and moisturizing control tube, in will gathering the liquid jar high temperature high pressure condensate water sprays vapor compressor, the required volume of spouting water when vapor compressor's exhaust pressure risees also increases, it can rise along with the rising of compressor exhaust pressure to gather liquid jar internal pressure and compressor exhaust pressure keep unanimous, the rising of liquid jar internal pressure can lead to the pressure increase of spraying water, the water spray also can increase, the automatically regulated of the moisturizing volume has been formed, the steady operation of system has been guaranteed effectively.
Preferably, this neotype evaporating pot still connects the fluid infusion device, and the fluid infusion device includes the fluid infusion pipe, fluid infusion pipe access connection pre-heater, and fluid infusion pipe export end extends to the top of liquid distribution board, and the export end of fluid infusion pipe sets up the sprinkler head, sets up fluid infusion check valve on the fluid infusion pipe, and the fluid infusion check valve sets up between pre-heater and evaporating pot. And liquid working media are supplemented into the evaporation tank through the liquid supplementing pipe. Make-up fluid flows into the evaporating pot through the fluid infusion preheater and the fluid infusion check valve through the fluid infusion pipe, and is uniformly distributed by the fluid distribution plate and flows downwards to absorb heat from the evaporating coil pipe for evaporation, and the generated steam is compressed by the heating water vapor compressor to generate steam with higher temperature and pressure and is sent into the heating box for high-temperature heating.
Preferably, a liquid discharge pipe in the heating box is connected in the heating box, so that the final condensate of the heating box can be discharged and recovered through the liquid discharge pipe, and can also be sent into the evaporation tank for recycling through the liquid supplement pipe.
Preferably, this neotype evaporating pot bottom connection solution circulating pump, solution circulating pump connection solution circulating pipe, solution circulating pipe insert between evaporating pot and the fluid infusion check valve, still set up the solution circulating valve on the solution circulating pipe. In the process of heating and evaporating the evaporating tank, in order to ensure that the supplementary liquid in the evaporating tank is fully evaporated, the partially unevaporated supplementary liquid at the bottom of the evaporating tank is conveyed to the liquid distribution plate through the solution circulating pipe by the solution circulating pump, and flows downwards again to be heated and evaporated at the liquid distribution plate, so that the supplementary liquid is ensured to be smoothly evaporated.
As the preferred, this neotype evaporating pot bottom still connects the drain pipe, sets up out the liquid valve on the drain pipe. So as to ensure the smooth discharge of the excessive liquid which can not be evaporated in the evaporating pot.
To sum up, the utility model discloses possess following advantage.
Compared with the traditional steam heating formed by coal-fired heating, the process of the high-temperature heat pump is used in the field of industrial heating, has high efficiency, energy conservation, environmental protection and high cost performance, and is more favorable for use and popularization.
The novel system adopts water working medium, and has low cost, easy acquisition and no secondary pollution.
This novel system adopts three kinds of heat sources, has enlarged the application range of system, and the temperature that the intensification was obtained is higher, improves the heating efficiency of system. The solar collector is particularly used for collecting solar energy, so that clean and sustainable solar energy is effectively utilized, and the environmental protection and the economy of the system are further improved.
The novel system is reasonable in layout and high in stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a system diagram of a multi-heat-source coupled heat pump steam heating system according to an embodiment of the present invention.
Description of reference numerals:
10-solar heat collector, 11-solar water outlet pipe, 12-solar water outlet valve, 13-waste heat water outlet pipe, 14-waste heat evaporation coil, 15-waste heat water inlet pipe, 16-solar water inlet valve, 17-solar circulating pump, 18-solar water inlet pipe, 20-heat pump compressor, 21-heat pump exhaust pipe, 22-heat pump condensation coil, 23-heat pump liquid return pipe, 24-heat pump expansion valve, 25-heat pump expansion pipe, 26-heat pump evaporator, 27-heat pump air suction pipe, 28-evaporation heat inlet pipe, 29-evaporation heat discharge pipe, 30-flash evaporation liquid storage tank, 301-spray plate, 31-air suction pipe, 32-vapor compressor, 33-exhaust pipe, 34-evaporation coil pipe, 35-liquid return pipe, 36-liquid collecting tank, 37-expansion valve, 38-expansion pipe, 39-water replenishing regulating valve, 40-water replenishing regulating pipe, 50-evaporation tank, 501-liquid distribution plate, 51-heating air suction pipe, 52-heating water vapor compressor, 53-heating exhaust pipe, 54-heating exhaust valve, 55-heating tank, 56-liquid discharge pipe, 57-liquid replenishing preheater, 58-liquid replenishing pipe, 59-liquid replenishing one-way valve, 60-solution circulating valve, 61-solution circulating pipe, 62-solution circulating pump, 63-liquid discharge pipe and 64-liquid discharge valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1, the multi-heat-source coupling heat pump steam heating system includes a multi-heat-source heating module, a water-medium high-temperature heat pump module, and a high-temperature steam heating module, wherein the multi-heat-source heating module is connected to the heat pump module, and the heat pump module is connected to the high-temperature steam heating module. The multi-heat-source heating module comprises a solar device, a waste heat fluid device, a heat pump device and a flash evaporation liquid storage tank 30; the solar device, the waste heat fluid device and the heat pump device provide heat sources for the water medium in the flash evaporation liquid storage tank 30, so that the water medium forms low-pressure steam. The heat pump module comprises a water vapor compressor 32 and an evaporation tank 50, the low-pressure steam enters an evaporation coil 34 in the evaporation tank 50 through the water vapor compressor 32, and liquid in the evaporation tank 50 is condensed through the evaporation coil 34 to release heat so as to form high-temperature steam. The high-temperature steam heating module comprises a heating steam compressor 52 and a heating box 55, and the high-temperature steam is heated by the heating steam compressor 52 to form high-temperature high-pressure steam which enters the heating box 55 to perform heating operation.
The circulating working media in the embodiment all use water working media.
Specifically, the flash evaporation liquid storage tank 30 is connected to a solar device, a waste heat fluid device, and a heat pump device. The three devices are used for heating the water medium in the flash evaporation liquid storage tank 30, the three heating devices are not interfered with each other, and can work independently, and a combined heating mode is selected according to requirements.
The solar device passes through solar collector 10 and adds hot water working medium, and solar collector 10 is connected to flash distillation liquid storage pot 30 through solar energy outlet pipe 11, sets up solar energy outlet valve 12 on the solar energy outlet pipe 11, conveniently adjusts the discharge that gets into flash distillation liquid storage pot 30 through solar collector 10. The flash evaporation liquid storage tank 30 is internally provided with a spray plate 301, the flash evaporation liquid storage tank 30 is separated into two spaces by the spray plate 301, the solar water outlet pipe 11 extends to the upper part of the spray plate 301 in the flash evaporation liquid storage tank 30, and the tail end of the outlet of the solar water outlet pipe 11 is provided with a spray head. The water heated by the solar heat collector 10 is uniformly sprayed to the spray plate 301 through the spray head at the outlet end of the solar water outlet pipe 11, and the high-temperature water is dispersed by the spray plate 301 and fully flashed in the flash evaporation liquid storage tank 30 to generate steam. The lower part of the flash evaporation liquid storage tank 30 is connected with the solar heat collector 10 through a solar water inlet pipe 18, a solar circulating pump 17 is arranged on the solar water inlet pipe 18, and a solar water inlet valve 16 is arranged between the solar circulating pump 17 and the flash evaporation liquid storage tank 30.
The water medium in the flash evaporation liquid storage tank 30 forms a small circulation through the solar water inlet pipe 18, the solar heat collector 10 and the solar water outlet pipe 11. The liquid water working medium in the flash evaporation liquid storage tank 30 flows into the solar heat collector 10 through the solar water inlet pipe 18 and is heated by the solar heat collector 10, and the heated water working medium flows into the flash evaporation liquid storage tank 30 through the solar water outlet pipe 11 and is separated from gas and liquid in the flash evaporation liquid storage tank 30.
The waste heat fluid device comprises a waste heat water outlet pipe 13, a waste heat evaporation coil pipe 14 and a waste heat water inlet pipe 15, wherein the waste heat evaporation coil pipe 14 is arranged below the spraying plate 301 in the flash evaporation liquid storage tank 30 and is externally connected with the waste heat water outlet pipe 13 and the waste heat water inlet pipe 15. The waste heat fluid flows through the waste heat evaporation coil 14 through the waste heat water inlet pipe 15, exchanges heat with the water medium in the flash evaporation liquid storage tank 30 to absorb heat for evaporation, and flows out through the waste heat water outlet pipe 13 after heat exchange.
The heat pump device can be an air source heat pump, a water source heat pump or a waste heat source heat pump and other heat supplying devices.
The heat pump device adopted in the present embodiment includes a heat pump compressor 20, a heat pump exhaust pipe 21, a heat pump condenser coil 22, a heat pump liquid return pipe 23, a heat pump expansion valve 24, a heat pump expansion pipe 25, a heat pump evaporator 26, a heat pump air suction pipe 27, an evaporation heat inlet pipe 28, and an evaporation heat outlet pipe 29. The heat pump condensing coil 22 is arranged below the spray plate 301 in the flash evaporation liquid storage tank 30, and the inlet and the outlet of the heat pump condensing coil 22 are respectively externally connected with a heat pump exhaust pipe 21 and a heat pump liquid return pipe 23. The heat pump discharge pipe 21 is connected to a heat pump suction pipe 27 via a heat pump compressor 20, and the heat pump suction pipe 27 is connected to a heat pump evaporator 26. The heat pump liquid return pipe 23 is connected with a heat pump expansion pipe 25 through a heat pump expansion valve 24, and the heat pump expansion pipe 25 is connected with a heat pump evaporator 26. The heat pump evaporator 26 is externally connected with an evaporation heat inlet pipe 28 and an evaporation heat outlet pipe 29, and the evaporation heat inlet pipe 28 and the evaporation heat outlet pipe 29 are communicated in the heat pump evaporator 26. According to the design of actual requirements, low-grade heat flows into the heat pump evaporator 26 through the evaporation heat inlet pipe 28, flows out through the evaporation heat outlet pipe 29 after heat exchange, heats working media in the heat pump evaporator 26 to be evaporated to generate low-pressure steam, the low-pressure steam is sucked and compressed by the heat pump compressor 20 through the heat pump air suction pipe 27, then enters the heat pump condensation coil 22 in the flash evaporation liquid storage tank 30 through the heat pump air exhaust pipe 21, heats water working media in the flash evaporation liquid storage tank 30 to absorb heat for evaporation, the heat pump working media in the heat pump condensation coil 22 releases heat and is condensed, and then flows through the heat pump expansion valve 24 through the heat pump liquid return pipe 23 and flows back into the heat pump evaporator 26 to form a complete cycle.
The liquid water working medium in the flash evaporation liquid storage tank 30 is heated through the three modes, so that the water working medium is evaporated to form low-pressure steam, and the low-pressure steam enters the heat pump module.
The heat pump module comprises a water vapor compressor 32 and an evaporating pot 50, the low-pressure steam is compressed by the water vapor compressor 32, is boosted and is heated to form high-temperature high-pressure steam, then enters the evaporating coil 34 in the evaporating pot 50 to be condensed and release heat, and water working medium in the evaporating pot 50 forms the high-temperature steam by absorbing the heat released by condensation of the evaporating coil 34. The liquid supplementing device is externally connected to the evaporating tank 50, and water working media are supplemented into the evaporating tank 50 through the liquid supplementing device.
The vapor compressor 32 is connected to the flash storage tank 30 through a suction pipe 31, and the suction pipe 31 is disposed above the flash storage tank 30 for the convenience of gas flowing. The vapor compressor 32 is connected with the evaporation coil 34 through the exhaust pipe 33, the evaporation coil 34 is arranged in the evaporation tank 50, the outlet of the evaporation coil 34 is connected with the liquid return pipe 35, and the liquid return pipe 35 is connected with the liquid collection tank 36. The liquid collection tank 36 is connected with the flash evaporation liquid storage tank 30 through an expansion pipe 38, an expansion valve 37 is arranged on the expansion pipe 38, the expansion pipe 38 extends to the upper part of a spray plate 301 in the flash evaporation liquid storage tank 30, and a spray head is arranged at the outlet tail end of the expansion pipe 38. The low-pressure steam in the flash vaporization receiver 30 is sucked into the steam compressor 32 through the suction pipe 31, compressed, pressurized, and heated in the steam compressor 32 to generate high-temperature high-pressure steam, and sent to the evaporation coil 34 of the evaporation tank 50 through the exhaust pipe 33 to be condensed and released heat. The liquid in the evaporation tank 50 absorbs heat to evaporate, the condensed liquid in the evaporation coil 34 flows back into the liquid collection tank 36 through the liquid return pipe 35, and forms a gas-liquid two-phase mixture through the expansion valve 37 to flow back into the flash evaporation liquid storage tank 30 to be sprayed on the spraying plate 301, the gas-liquid two-phase mixture is dispersed by the spraying plate, and the liquid uniformly flows downwards to be fully heated.
The liquid collecting tank 36 is externally connected with a water supplementing adjusting pipe 40, the other end of the water supplementing adjusting pipe 40 is connected with the water vapor compressor 32, and a water supplementing adjusting valve 39 is arranged on the water supplementing adjusting pipe 40. During the compression process of the water vapor compressor 32, in order to reduce the exhaust gas temperature, part of the water in the liquid collecting tank 36 is injected into the compressor through the water replenishing regulating pipe 40, absorbs heat and reduces the exhaust gas temperature.
The evaporating pot 50 is internally provided with a liquid distribution plate 501, the evaporating pot 50 is separated into two spaces by the liquid distribution plate 501, and the evaporating coil 34 is arranged below the liquid distribution plate 501. The internal and external liquid supplementing device of the evaporating pot 50 comprises a liquid supplementing pipe 58, the outlet end of the liquid supplementing pipe 58 extends to the upper part of the liquid distribution plate 501 in the evaporating pot 50, and a spraying head is arranged at the outlet end of the liquid supplementing pipe 58. The other end of the liquid supplementing pipe 58 is connected with a preheater 57, and a liquid supplementing one-way valve 59 is arranged between the evaporating pot 50 and the liquid supplementing pipe 58. The bottom of the evaporating pot 50 is externally connected with a solution circulating pump 62, the solution circulating pump 62 is connected with a solution circulating pipe 61, the solution circulating pipe 61 is connected between the evaporating pot 50 and the liquid supplementing one-way valve 59, and a solution circulating valve 60 is further arranged on the solution circulating pipe 61. The bottom of the evaporation pot 50 is also externally connected with an outlet pipe 63 and an outlet valve 64.
The liquid supplementing water working medium required in the evaporation tank 50 flows into the evaporation tank 50 through the preheater 57 and the liquid supplementing check valve 59 through the liquid supplementing pipe 58, is uniformly distributed by the liquid distribution plate 501, flows downwards, absorbs heat from the evaporation coil 34, evaporates and generates high-temperature steam. Meanwhile, in the process of heating evaporation, in order to ensure sufficient evaporation of the make-up liquid, the make-up liquid which is not evaporated at the bottom of the evaporation tank 50 is sprayed onto the liquid distribution plate 501 through the solution circulating pump 62 via the spraying heads of the solution circulating pipe 61 and the liquid supplementing pipe 58, flows downwards again and is heated and evaporated at the liquid distribution plate, so as to ensure smooth evaporation of the make-up liquid, and finally the rest of the liquid can be discharged out of the evaporation tank 50 through the liquid outlet pipe 63.
The high-temperature steam heating module comprises a heating steam compressor 52 and a heating box 55, and high-temperature steam generated by heating the supplementary liquid enters the heating box 55 through the heating steam compressor 52 to form high-temperature high-pressure steam with higher temperature, so as to perform heating operation.
The water vapor compressor 52 is connected to the evaporation tank 50 through a heated suction pipe 51, and the heated suction pipe 51 is disposed above the water vapor compressor 52 for the purpose of facilitating the gas flow. The downstream of the steam compressor 52 is connected with a heating exhaust pipe 53, the heating exhaust pipe 53 is connected with a heating box 55, and a drain pipe 56 is connected with the heating box 55 in a downward connection mode. The heating exhaust pipe 53 is provided with a heating exhaust valve 54. The high-temperature steam generated by heating the supplementary liquid is sucked by a heating steam compressor 52 through a heating suction pipe 51 to generate steam with higher temperature and pressure, the steam is sent into a heating box 55 through a heating exhaust pipe 53 and a heating exhaust valve 54 for high-temperature heating, and the final condensate is discharged and recycled through a drain pipe 56 or sent into the evaporation tank 50 again through a liquid supplementing pipe 58 for recycling.
The water working medium in the system of the embodiment forms a plurality of cycles, which mainly comprises two major cycles, one is the water working medium cycle in the flash evaporation liquid storage tank 30, and the other is the water working medium cycle in the evaporation tank 50.
And (3) water and medium circulation in the flash evaporation liquid storage tank 30:
the solar water inlet valve 16 and the solar water outlet valve 12 are opened, the water working medium in the flash evaporation liquid storage tank 30 flows through the solar heat collector 10 through the solar water inlet pipe 18 under the action of the solar circulating pump 17, heat exchange is carried out through the solar heat collector 10, the heated water working medium solar water outlet pipe 11 enters the flash evaporation liquid storage tank 30, the high-temperature water is dispersed by the spray plate 301 through the spray heads and the spray plate 301, the high-temperature water is fully flashed in the flash evaporation liquid storage tank 30 to generate gas-liquid separation, and the steam flows upwards and flows downwards in a liquid state. The liquid water working medium uniformly flows onto the waste heat evaporation coil 14 and the heat pump condensation coil 22 below the spray plate 301, and further exchanges heat brought into the flash evaporation liquid storage tank 30 by the waste heat evaporation coil 14 and the heat pump condensation coil 22, so that the temperature in the flash evaporation liquid storage tank 30 is increased, and the temperature and the amount of steam in the flash evaporation liquid storage tank 30 are favorably improved.
The low-pressure steam formed in the flash evaporation liquid storage tank 30 passes through the air suction pipe 31, generates high-temperature high-pressure steam under the action of the water vapor compressor 32, and is sent into the evaporation coil 34 of the evaporation tank 50 through the exhaust pipe 33 to be condensed and release heat. The water medium in the evaporation coil 34 is condensed and then flows back into the liquid collection tank 36 through the liquid return pipe 35, the water medium in the liquid collection tank 36 forms a gas-liquid two-phase mixture through the expansion valve 37, the gas-liquid two-phase mixture flows back into the flash evaporation liquid storage tank 30 through the expansion pipe 38 and is sprayed on the spray plate 301, the gas-liquid two-phase mixture is dispersed by the spray plate, and the liquid uniformly flows downwards and is fully heated.
During the compression process of the water vapor compressor 32, in order to reduce the exhaust gas temperature, the water replenishing regulating valve 39 is opened, and part of the water in the liquid collecting tank 36 is sprayed into the compressor through the water replenishing regulating pipe 40, so that the heat is absorbed and the exhaust gas temperature is reduced.
Water-medium circulation in the evaporation tank 50:
the water working medium in the evaporation tank 50 is supplemented, the liquid supplementing check valve 59 is opened, and the water working medium passing through the preheater 57 flows into the evaporation tank 50 through the liquid supplementing pipe 58 and is uniformly distributed by the liquid distribution plate 501. Meanwhile, in the process of heating evaporation, in order to ensure sufficient evaporation of the make-up liquid, the solution circulating valve 60 is opened, and the make-up liquid which is not evaporated at the bottom part of the evaporation tank 50 is re-sprayed onto the liquid distribution plate 501 through the spraying heads of the solution circulating pipe 61 and the liquid supplementing pipe 58 under the action of the solution circulating pump 62, so as to ensure smooth evaporation of the make-up liquid. And the liquid that is not finally vaporized exits the vaporization tank 50 through the liquid outlet pipe 63. The liquid uniformly distributed by the liquid distribution plate 501 flows downwards to exchange heat with the evaporation coil 34 to generate high-temperature steam, the high-temperature steam is sucked by the heating water steam compressor 52 through the heating air suction pipe 51 to generate steam with higher temperature and pressure, the steam is sent into the heating box 55 through the heating exhaust pipe 53 and the heating exhaust valve 54 for high-temperature heating, the final condensate is discharged and recycled through the liquid discharge pipe 56, and the condensate can be sent into the evaporation tank 50 again through the liquid supplement pipe 58 for recycling.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the protection scope of the present invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The track wheel assembly, the track clamping device and the track equipment provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A multi-heat-source coupling heat pump steam heating system is characterized in that: the system comprises a multi-heat-source heating module, a heat pump module and a high-temperature steam heating module, wherein the multi-heat-source heating module is connected with the heat pump module, and the heat pump module is connected with the high-temperature steam heating module; the multi-heat-source heating module comprises a flash evaporation liquid storage tank, and the flash evaporation liquid storage tank is connected with a solar device, a waste heat fluid device and a heat pump device; the heat pump module comprises a water vapor compressor and an evaporation tank, the flash evaporation liquid storage tank is connected with the water vapor compressor, the water vapor compressor is connected with an evaporation coil in the evaporation tank, the evaporation coil is connected with a liquid collection tank, and the liquid collection tank is connected with the flash evaporation liquid storage tank to form a loop; the high-temperature steam heating module comprises a heating water vapor compressor and a heating box, the evaporating pot is connected with the heating water vapor compressor, and the heating water vapor compressor is connected with the heating box.
2. A multi-heat-source coupled heat pump steam heating system as recited in claim 1, further comprising: a spray plate is arranged in the flash evaporation liquid storage tank, and the flash evaporation liquid storage tank is divided into two spaces by the spray plate; and a water working medium is used in the flash evaporation liquid storage tank.
3. A multi-heat-source coupled heat pump steam heating system as recited in claim 2, further comprising: the solar device comprises a solar heat collector, and the solar heat collector is connected to the flash evaporation liquid storage tank through a solar water outlet pipe and a solar water inlet pipe to form a working medium circulation loop; the solar water inlet pipe is provided with a solar circulating pump; the solar water outlet pipe extends to the inside of the flash evaporation liquid storage tank and above the spraying plate, and the tail end of an outlet of the solar water outlet pipe is provided with a spraying head.
4. A multi-heat-source coupled heat pump steam heating system as recited in claim 2, further comprising: the waste heat fluid device comprises a waste heat water outlet pipe, a waste heat evaporation coil pipe and a waste heat water inlet pipe, wherein the waste heat evaporation coil pipe is arranged below the spraying plate in the flash evaporation liquid storage tank, and the waste heat evaporation coil pipe is respectively connected with the waste heat water outlet pipe and the waste heat water inlet pipe.
5. A multi-heat-source coupled heat pump steam heating system as recited in claim 2, further comprising: the heat pump device comprises a heat pump compressor, a heat pump exhaust pipe, a heat pump condensing coil, a heat pump liquid return pipe, a heat pump expansion valve, a heat pump expansion pipe, a heat pump evaporator, a heat pump air suction pipe, an evaporation heat inlet pipe and an evaporation heat outlet pipe; the heat pump condensing coil is arranged below the spray plate, an inlet and an outlet of the heat pump condensing coil are respectively connected with the heat pump exhaust pipe and the heat pump liquid return pipe, the heat pump exhaust pipe is connected with the heat pump compressor, the heat pump compressor is connected with the heat pump air suction pipe, and the heat pump air suction pipe is connected with the heat pump evaporator; the heat pump liquid return pipe is connected with a heat pump expansion pipe through a heat pump expansion valve, and the heat pump expansion pipe is connected with a heat pump evaporator; the heat pump evaporator is externally connected with an evaporation heat inlet pipe and an evaporation heat outlet pipe, and the evaporation heat inlet pipe and the evaporation heat outlet pipe are communicated in the heat pump evaporator.
6. A multi-heat-source coupled heat pump steam heating system as recited in claim 2, further comprising: a liquid distribution plate is arranged in the evaporation tank, the evaporation tank is separated into two spaces by the liquid distribution plate, and an evaporation coil is arranged below the liquid distribution plate; the flash evaporation liquid storage tank is connected with the vapor compressor through an air suction pipe, the vapor compressor is connected with an evaporation coil inlet through an exhaust pipe, an evaporation coil outlet is connected with a liquid return pipe, the liquid return pipe is connected with a liquid collection tank, the liquid collection tank is connected with an expansion pipe, an expansion valve is arranged on the expansion pipe, the outlet tail end of the expansion pipe extends to the upper side of the spraying plate, and a spraying head is arranged at the outlet tail end of the expansion pipe.
7. The multi-heat-source coupled heat pump steam heating system of claim 6, wherein: the liquid collecting tank is connected with the steam compressor through a water supplementing adjusting pipe, and the water supplementing adjusting pipe is provided with a water supplementing adjusting valve.
8. The multi-heat-source coupled heat pump steam heating system of claim 6, wherein: the utility model discloses a liquid distribution plate, including the evaporating pot, the evaporating pot still connects the fluid infusion device, the fluid infusion device includes the fluid infusion pipe, fluid infusion pipe access connection pre-heater, fluid infusion pipe export end extends to the top of liquid distribution plate, the export end of fluid infusion pipe sets up the sprinkler head, set up the fluid infusion check valve on the fluid infusion pipe, the fluid infusion check valve sets up the pre-heater with between the evaporating pot.
9. A multi-heat-source coupled heat pump steam heating system as recited in claim 8, further comprising: the bottom of the evaporation tank is connected with a solution circulating pump, the solution circulating pump is connected with a solution circulating pipe, the solution circulating pipe is connected between the evaporation tank and the liquid supplementing one-way valve, and a solution circulating valve is arranged on the solution circulating pipe.
10. The multi-heat-source coupled heat pump steam heating system of claim 6, wherein: the bottom of the evaporation tank is also connected with a liquid outlet pipe, and a liquid outlet valve is arranged on the liquid outlet pipe.
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| CN202120051690.9U CN214891958U (en) | 2021-01-08 | 2021-01-08 | Multi-heat-source coupling heat pump steam heating system |
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| CN202120051690.9U CN214891958U (en) | 2021-01-08 | 2021-01-08 | Multi-heat-source coupling heat pump steam heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838534A (en) * | 2022-05-23 | 2022-08-02 | 上海诺通新能源科技有限公司 | Gas-liquid separator with heating function and water source heat pump steam system comprising gas-liquid separator |
| CN116036622A (en) * | 2023-03-30 | 2023-05-02 | 山东格瑞德人工环境产业设计研究院有限公司 | Brine gradient heating extraction device |
-
2021
- 2021-01-08 CN CN202120051690.9U patent/CN214891958U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838534A (en) * | 2022-05-23 | 2022-08-02 | 上海诺通新能源科技有限公司 | Gas-liquid separator with heating function and water source heat pump steam system comprising gas-liquid separator |
| CN116036622A (en) * | 2023-03-30 | 2023-05-02 | 山东格瑞德人工环境产业设计研究院有限公司 | Brine gradient heating extraction device |
| CN116036622B (en) * | 2023-03-30 | 2023-06-30 | 山东格瑞德人工环境产业设计研究院有限公司 | Brine gradient heating extraction device |
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