CN110057001B - Sewage source heat pump equipment - Google Patents
Sewage source heat pump equipment Download PDFInfo
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- CN110057001B CN110057001B CN201910393351.6A CN201910393351A CN110057001B CN 110057001 B CN110057001 B CN 110057001B CN 201910393351 A CN201910393351 A CN 201910393351A CN 110057001 B CN110057001 B CN 110057001B
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- sewage
- inlet
- pipe
- source heat
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- 239000010865 sewage Substances 0.000 title claims abstract description 139
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 322
- 230000001502 supplementing effect Effects 0.000 claims abstract description 39
- 239000003507 refrigerant Substances 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 6
- 230000001143 conditioned effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/202—Mounting a compressor unit therein
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application discloses sewage source heat pump equipment which comprises a shell, and a sewage source heat exchanger, a water source heat pump unit, an intermediate circulating pump, a tail end circulating pump and a water supplementing system which are arranged in the shell and connected through connecting pipelines. So set up, in the construction installation, only need with the interface on the shell respectively with sewage source, terminal equipment and distribution system be connected can, avoided on-the-spot to the pipeline connection between intermediate circulation pump and sewage source heat exchanger and the water source heat pump unit and to pipeline connection etc. between terminal circulation pump and the water source heat pump unit, simplified the installation step, be favorable to improving engineering quality, reduce installation cost. The sewage source heat pump equipment is an independent product, when a building is not needed, the equipment can be disconnected with a sewage source, a power distribution system and terminal equipment, and the detached equipment can be further installed on other buildings, so that the recycling is realized, and the waste is avoided.
Description
Technical Field
The invention relates to the technical field of heat pumps, in particular to sewage source heat pump equipment.
Background
The basic working principle of the water source heat pump system is that when refrigeration is needed (such as summer), heat in a building is transferred to a water source, when heating is needed (such as winter), energy is extracted from a water source with relatively constant temperature, and the heat pump principle is utilized to raise the temperature through a secondary refrigerant (such as air or water) and then the heat is sent to the building. The heat pump systems in the prior art are engineering products and are all constructed at one time, and when the system is not needed on a building, the heat pump systems cannot be installed on other buildings, so that the heat pump systems are difficult to recycle, and great waste is caused. In addition, in the construction and installation process of the existing heat pump system, the installation steps are complicated, the improvement of engineering quality is not facilitated, and the installation cost is high.
Therefore, how to solve the problems that the existing sewage source heat pump system cannot be recycled and is inconvenient to install in the construction and installation process becomes an important technical problem to be solved by the technicians in the field.
Disclosure of Invention
In order to overcome the problems existing in the related art at least to a certain extent, the application provides sewage source heat pump equipment, which can solve the problems that the existing sewage source heat pump system cannot be reused and is inconvenient to install in the construction and installation process.
The invention is realized in the following way: the sewage source heat pump equipment comprises a shell, a sewage source heat exchanger, a water source heat pump unit and a water supplementing system, wherein the sewage source heat exchanger is used for being communicated with a sewage source to form a sewage circulating system, the water source heat pump unit is used for being communicated with terminal equipment to form a terminal circulating system, and the sewage source heat exchanger, the water source heat pump unit and the water supplementing system are all arranged in the shell; the housing is provided with a first inlet and a first outlet for communicating with the sewage source and a second inlet and a second outlet for communicating with the end device; the sewage source heat exchanger is provided with a sewage inlet, a sewage outlet, a water inlet pipe and a water outlet pipe; the water source heat pump unit is provided with a clear water inlet, a clear water outlet, a refrigerant inlet and a refrigerant outlet; a tail end circulating pump is arranged between the sewage inlet and the first inlet, between the sewage outlet and the first outlet, between the second inlet and the refrigerant inlet, and between the refrigerant outlet and the second outlet; the water outlet pipe is connected with the clean water inlet through a pipeline, the clean water outlet is connected with the water inlet pipe through a pipeline to form an intermediate circulating system, and an intermediate circulating pump is arranged between the clean water inlet and the water outlet pipe.
Preferably, a water supplementing inlet is formed in the shell, the water supplementing system comprises a water supplementing tank communicated with the water supplementing inlet and a water supplementing pump connected with the water supplementing tank, and an outlet end of the water supplementing pump is communicated with the water outlet pipe and is communicated with the refrigerant inlet.
Preferably, the intermediate circulation pump, the tail circulation pump and the water supplementing pump are all arranged in parallel.
Preferably, the sewage source heat exchanger comprises a shell with a containing cavity for sewage circulation and a heat exchange tube assembly arranged in the containing cavity and capable of rotating relative to the shell, a water inlet end of the heat exchange tube assembly is connected with the water inlet tube, a water outlet end of the heat exchange tube assembly is connected with the water outlet tube, a sewage inlet is arranged at the upper end of the shell, a sewage outlet is arranged at the lower end of the shell, and a driving device for driving the heat exchange tube assembly to rotate forwards and reversely is arranged above the shell.
Preferably, the heat exchange tube assembly comprises a plurality of heat exchange tubes arranged in parallel and a tube joint used for enabling a water inlet end of the heat exchange tubes to be communicated with the water inlet tube and enabling a water outlet end of the heat exchange tubes to be communicated with the water outlet tube, wherein a water inlet cavity and a water outlet cavity which are distributed vertically and are independent of each other are arranged inside the tube joint, the water inlet tube and each heat exchange tube are communicated with the water inlet cavity, and the water outlet tube and each heat exchange tube are communicated with the water outlet cavity.
Preferably, the water inlet pipe and the water outlet pipe are coaxially sleeved together, the water inlet pipe and the water outlet pipe are relatively fixed with the shell, the pipe joint is rotationally connected with the water inlet pipe, the pipe joint is rotationally connected with the water outlet pipe, and the axis of the water inlet pipe and the axis of the water outlet pipe are coincident with the rotation axis of the pipe joint.
Preferably, the driving device comprises a motor arranged above the shell, a high-speed gear connected with an output shaft of the motor and a low-speed gear fixedly connected with the pipe joint, a motor forward and reverse rotation circuit is arranged at a control end of the motor, a through hole for the water inlet pipe and the water outlet pipe to pass through is formed in the center position of the low-speed gear, and the low-speed gear is rotationally connected with the water inlet pipe and the water outlet pipe.
Preferably, a plurality of connecting columns are fixedly arranged on the lower end face of the low-speed gear, the connecting columns are uniformly distributed along the circumference of the low-speed gear, an annular through hole for the connecting columns to pass through is formed in the top end face of the shell, the axis of the annular through hole coincides with that of the low-speed gear, the connecting columns can move along the circumference of the annular through hole, and the lower ends of the connecting columns are fixedly connected with the upper ends of the pipe joints.
Preferably, the shell comprises a cylindrical part and a conical part positioned below the cylindrical part, the lower end of the cylindrical part is fixedly connected with the large end of the conical part into an integrated structure, the sewage inlet is arranged on the side wall of the upper end of the cylindrical part, the sewage outlet is arranged at the bottom end of the conical part, and the cylindrical part is provided with a sewage inlet pipe which is approximately tangential to the cylindrical part in an extending manner at the sewage inlet, so that sewage enters the shell along the tangential direction of the cylindrical part.
Preferably, a high-pressure water spray head for cleaning the inner side wall of the shell and the heat exchange tube assembly is arranged in the shell.
The technical scheme provided by the application has the following beneficial effects:
The application provides sewage source heat pump equipment, which comprises a shell, a sewage source heat exchanger, a water source heat pump unit and a water supplementing system, wherein the sewage source heat exchanger is used for being communicated with a sewage source to form a sewage circulating system, and the water source heat pump unit is used for being communicated with terminal equipment to form a terminal circulating system. The sewage source heat exchanger is provided with a sewage inlet and a sewage outlet for sewage circulation and a water inlet pipe and a water outlet pipe for clear water circulation, and a clear water inlet and a clear water outlet for clear water circulation and a refrigerant inlet and a refrigerant outlet for refrigerant circulation, which are connected through pipelines. An end circulating pump is arranged between the refrigerant inlet and the second inlet, the water outlet pipe is connected with the clean water inlet through a pipeline, the clean water outlet is connected with the water inlet pipe through a pipeline to form an intermediate circulating system, the intermediate circulating pump is arranged between the clean water inlet and the water outlet pipe, and the water supplementing system is connected with the intermediate circulating system and the end circulating system to supplement water for the intermediate circulating system and the end circulating system. The sewage source heat exchanger, the water source heat pump unit, the tail end circulating pump, the intermediate circulating pump and the water supplementing system are all arranged inside the shell and are well connected according to the above. So set up, each part inside the shell has all been through the pipe connection, in the construction installation, only need be connected with sewage source with first import and the first export on the shell, with second import and the second export on the shell with terminal equipment (like central air conditioning) be connected to with this equipment with distribution system can, avoided on-the-spot to the pipeline connection between intermediate circulation pump and sewage source heat exchanger and the water source heat pump unit and to pipeline connection etc. between terminal circulation pump and the water source heat pump unit, simplified the installation step, be favorable to improving engineering quality, reduce installation cost. Moreover, this sewage source heat pump equipment is independent product, with its and sewage source, distribution system and terminal equipment be connected well and can use, when the building does not need, can be with this equipment and sewage source, distribution system and terminal equipment disconnection, this equipment of dismantling can also install on other buildings, realizes reuse, avoids extravagant.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a sewage source heat pump apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of circulation of an internal medium of a sewage source heat pump apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram showing connection between circulation systems inside a sewage source heat pump apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a water source heat pump unit according to an embodiment of the present invention;
FIG. 5 is a schematic view of a sewage source heat exchanger according to an embodiment of the present invention;
FIG. 6 is a schematic view in section A-A of FIG. 5;
Fig. 7 is a schematic view showing a connection structure between a driving device and a heat exchange tube assembly according to an embodiment of the present invention.
Reference numerals:
A housing-1; a sewage source-2; a sewage source heat exchanger-3; end device-4; a water source heat pump unit-5; a first inlet-6; a first outlet-7; a second inlet-8; a second outlet-9; a sewage inlet-10; a sewage outlet-11; a water inlet pipe-12; a water outlet pipe-13; a clear water inlet-14; clear water outlet-15; a refrigerant inlet-16; a refrigerant outlet-17; a terminal circulation pump-18; an intermediate circulation pump-19; a water supplementing inlet-20; a water supplementing tank-21; a water supplementing pump-22; a housing-23; a heat exchange tube-24; a pipe joint-25; a water inlet cavity-26; a water outlet cavity-27; a motor-28; high-speed gear-29; low-speed gear-30; a connecting column-31; an annular through hole-32; a sewage inlet pipe-33; an evaporator-34; a compressor-35; a condenser-36; an expansion valve-37; a first valve-38; a second valve-39; a third valve-40; fourth valve-41.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The utility model provides a sewage source heat pump equipment, will be through sewage source heat exchanger, water source heat pump unit, intermediary circulating pump, terminal circulating pump and the water supply system that the connecting tube is good set up inside the shell, simplified the installation step in job site, this equipment is solitary modularization product, when the building does not need this equipment, can dismantle it and install on other buildings, realizes reuse, avoids extravagant.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the invention described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.
Referring to fig. 1-7, schematic structural diagrams of a sewage source heat pump apparatus in some exemplary embodiments are shown. The sewage source heat pump equipment provided by the embodiment comprises a shell 1, a sewage source heat exchanger 3, a water source heat pump unit 5 and a water supplementing system, wherein the sewage source heat exchanger 3 is used for being communicated with a sewage source 2 to form a sewage circulating system, and the water source heat pump unit 5 is used for being communicated with terminal equipment 4 to form a terminal circulating system. The sewage source heat exchanger 3 is provided with a sewage inlet 10 and a sewage outlet 11 for sewage circulation and a water inlet pipe 12 and a water outlet pipe 13 for clear water circulation, the water source heat pump unit 5 is provided with a clear water inlet 14 and a clear water outlet 15 for clear water circulation and a refrigerant inlet 16 and a refrigerant outlet 17 for refrigerant circulation, and the sewage inlet 10 and the first inlet 6, the sewage outlet 11 and the first outlet 7, the second inlet 8 and the refrigerant inlet 16 and the refrigerant outlet 17 and the second outlet 9 are all connected through pipelines. An end circulating pump 18 is arranged between the refrigerant inlet 16 and the second inlet 8, the water outlet pipe 13 is connected with the clean water inlet 14 through a pipeline, the clean water outlet 15 is connected with the water inlet pipe 12 through a pipeline to form an intermediate circulating system, an intermediate circulating pump 19 is arranged between the clean water inlet 14 and the water outlet pipe 13, and the water supplementing system is connected with the intermediate circulating system and the end circulating system to supplement water for the intermediate circulating system and the end circulating system. The sewage source heat exchanger 3, the water source heat pump unit 5, the tail end circulating pump 18, the intermediate circulating pump 19 and the water supplementing system are all arranged inside the shell 1 and are well connected as described above, and the shell 1 can be a container.
In this way, all parts inside the shell 1 are well connected through pipelines, in the construction and installation process, only the first inlet 6 and the first outlet 7 on the shell 1 are required to be connected with the sewage source 2, the second inlet 8 and the second outlet 9 on the shell 1 are required to be connected with the tail end equipment 4 (such as a central air conditioner), and the equipment is required to be connected with a power distribution system, so that the pipeline connection between the central circulating pump 19 and the sewage source heat exchanger 3 and the water source heat pump unit 5, the pipeline connection between the tail end circulating pump 18 and the water source heat pump unit 5 and the like in the field are avoided, the installation steps are simplified, the improvement of engineering quality is facilitated, and the installation cost is reduced. Moreover, this sewage source heat pump equipment is independent product, and with its and sewage source 2, distribution system and terminal equipment 4 be connected well can use, when the building does not need, can be with this equipment and sewage source 2, distribution system and terminal equipment 4 disconnection, this equipment of dismantling still can install on other buildings, realizes reuse, avoids extravagant.
In implementation, the heat exchange medium in the intermediate circulation system is generally clean water, the heat exchange medium in the tail end circulation system is refrigerant, and when the tail end device 4 is a central air conditioner, the heat exchange medium is air-conditioning water, namely clean water. The water replenishing system is communicated with the intermediate circulating system and the tail end circulating system, so that the intermediate circulating system and the tail end circulating system are not emptied, gasified and superpressure, certain circulating pressure can be ensured, and the stability and the normal cold-heat exchange between the systems are ensured.
In this embodiment, the water replenishing system includes a water replenishing tank 21 for containing clean water and a water replenishing pump 22 connected to the water replenishing tank 21, where an outlet end of the water replenishing pump 22 is communicated with the water outlet pipe 13 and with the refrigerant inlet 16, and when the intermediate circulation system and the end circulation system need water replenishing, the water replenishing pump 22 flows the clean water in the water replenishing tank 21 to the intermediate circulation system and the end circulation system to replenish water. The water supplementing inlet 20 is arranged on the shell 1, the water supplementing inlet 20 is connected with the water supplementing tank 21 through a pipeline, the water supplementing inlet 20 is connected with an external clean water source, water is filled into the water supplementing tank 21 according to the water quantity condition in the water supplementing tank 21, and the water quantity in the water supplementing tank 21 is guaranteed to be sufficient. The water supplementing pump 22 can be a variable-frequency water supplementing pump, and when the flow requirement of the water supplementing pump 22 is smaller, the rotating speed of the water supplementing pump 22 is lower, so that energy conservation is facilitated.
In the preferred embodiment, two intermediate circulation pumps 19, two end circulation pumps 18 and two water compensating pumps 22 are all arranged, the two intermediate circulation pumps 19 are arranged in parallel, the two end circulation pumps 18 are arranged in parallel, the two water compensating pumps 22 are arranged in parallel, and one is used, when one intermediate circulation pump 19 or one end circulation pump 18 or one water compensating pump 22 fails, the continuous operation of water supply of each circulation system is ensured during maintenance, and the influence on the normal operation of the equipment is avoided.
The above-mentioned water source heat pump unit 5 includes an evaporator 34, a compressor 35, a condenser 36 and an expansion valve 37 which are connected in this order, and the evaporator 34 and the condenser 36 form a refrigerant medium cycle through the expansion valve 37 and the compressor 35. The compressor 35 compresses and circulates the refrigerant medium from a low temperature and low pressure to a high temperature and high pressure, and the expansion valve 37 can throttle and depressurize the refrigerant medium and regulate the flow of the refrigerant medium entering the evaporator 34. The evaporator 34 is a device for outputting cooling energy, and is used for evaporating the liquid refrigerant medium flowing in through the expansion valve 37 to absorb heat of the cooled object, thereby achieving the purpose of refrigeration. The condenser 36 is a device for outputting heat, and heat absorbed from the evaporator 34 and heat converted by the power consumed by the compressor 35 are taken away by the refrigerant medium in the condenser 36, so as to achieve the purpose of heating.
The first valves 38 are disposed between the inlet end of the evaporator 34 and the intermediate circulation system, between the outlet end of the evaporator 34 and the intermediate circulation system, between the inlet end of the evaporator 34 and the end circulation system, and between the outlet end of the evaporator 34 and the end circulation system, the second valves 39 are disposed, the third valves 40 are disposed between the inlet end of the condenser 36 and the intermediate circulation system, between the outlet end of the condenser 36 and the intermediate circulation system, and between the inlet end of the condenser 36 and the end circulation system, and between the outlet end of the condenser 36 and the end circulation system, respectively, the fourth valves 41 are disposed to be connected, as shown in fig. 4, the valves are all ordinary two-way valves, the black valves are valves in a closed state, the white valves are valves in an open state, and the black thick solid lines marked by arrows in the figure are the flowing direction of clear water or air-conditioned water.
In winter, the terminal device 4 needs to supply heat to the building, at this time, the air-conditioning water needs to absorb heat when flowing through the water source heat pump unit 5, the temperature rises, the clean water needs to release heat when flowing through the water source heat pump unit 4, at this time, the clean water needs to flow through the evaporator 34, the air-conditioning water needs to flow through the condenser 36, that is, the first valve 38 and the fourth valve 41 are in an open state, and the second valve 39 and the third valve 40 are in a closed state. In summer, the terminal device 4 needs to cool the building, at this time, the air-conditioning water needs to release heat when flowing through the water source heat pump unit 5, the temperature is reduced, the clean water needs to absorb heat when flowing through the water source heat pump unit 5, at this time, the clean water needs to flow through the condenser 36, the air-conditioning water needs to flow through the evaporator 34, that is, the second valve 39 and the third valve 40 are in an open state, and the first valve 38 and the fourth valve 41 are in a closed state. As the fresh or conditioned water flows through the evaporator 34, the refrigerant medium is evaporated inside the evaporator 34, which absorbs heat from just the fresh or conditioned water flowing through the evaporator 34, which releases heat. As the fresh or conditioned water flows through the condenser 36, the refrigerant medium is condensed inside the condenser 36, which releases heat that is absorbed and carried away by the fresh or conditioned water flowing through the condenser 36.
In this embodiment, the sewage source heat exchanger 3 includes a housing 23 having a receiving cavity therein for circulating sewage and a heat exchange tube assembly disposed in the receiving cavity and rotatable relative to the housing 23, the sewage inlet 10 is disposed at an upper end of the housing 23, the sewage outlet 11 is disposed at a lower end of the housing 23, and sewage flows into the housing 23 from the sewage inlet 10 and flows out of the sewage outlet 3 after flowing through the heat exchange tube assembly. The heat exchange tube assembly is internally provided with a heat exchange channel communicated with the water inlet pipe 12 and the water outlet pipe 13, the water inlet end of the heat exchange tube assembly is connected with the water inlet pipe 12, the water outlet end of the heat exchange tube assembly is connected with the water outlet pipe 13, and clear water flows out from the water outlet pipe 13 after entering the heat exchange channel of the heat exchange tube assembly from the water inlet pipe 12. The clear water in the heat exchange channel and the sewage in the shell 23 have different temperatures, the temperature difference can cause heat transfer between the clear water in the heat exchange channel and the sewage in the shell 23, and if the temperature of the clear water is lower than that of the sewage, the clear water can absorb the heat in the sewage to raise the temperature; if the temperature of the clean water is higher than that of the sewage, the sewage can absorb heat in the clean water to reduce the temperature of the clean water. The device is characterized in that a driving device for driving the heat exchange tube assembly to rotate forward and reversely is further arranged above the shell 23, sewage enters the shell 23 from the sewage inlet 10 and then rotates under the driving of the heat exchange tube assembly, downward rotational flow is formed in the shell 23 under the combined action of centrifugal force, centripetal force, buoyancy and fluid drag force due to different densities, and downward suction is provided for suspended impurities or floating impurities in the sewage, so that suspended impurities or floating impurities can be effectively discharged, and the blocking problem caused by suspended matters or floating matters is avoided. The driving device can drive the heat exchange tube assembly to rotate forward relative to the shell 23 or rotate reversely relative to the shell 23, the rotation direction of the heat exchange tube assembly is exchanged once every a period of time, the forward rotation and the reverse rotation of the heat exchange tube assembly are alternately carried out, the scouring direction of sewage to the outer surface of the heat exchange tube assembly can be changed, impurities wound on the heat exchange tube assembly can fall off under the reverse scouring action of sewage, and the impurities are discharged along with the sewage, so that winding type filth blockage is effectively removed.
In addition, the sewage flows from the upper end of the shell 23 to the lower end of the shell 23 in a cyclone mode, so that the circulation time of the sewage in the shell 23 is prolonged, the heat exchange time is prolonged, and the heat exchange efficiency of the sewage source heat exchanger is improved; the rotational flow increases the disturbance to the sewage flow, increases the heat transfer coefficient of the heat exchange tube assembly, and improves the heat exchange efficiency.
In this embodiment, the heat exchange tube assembly includes a plurality of heat exchange tubes 24 and a tube joint 25 for communicating the water inlet end of the heat exchange tubes 24 with the water inlet tube 12 and the water outlet end of the heat exchange tubes 24 with the water outlet tube 13. The heat exchange tubes 24 are arranged in parallel, the inner cavity of each heat exchange tube 24 is a heat exchange channel of the heat exchange tube assembly, a water inlet cavity 26 and a water outlet cavity 27 which are mutually independent are arranged in the heat exchange tube 25, the upper part of the water inlet cavity 26 is communicated with the water inlet tube 12, the lower part of the water inlet cavity 26 is communicated with each heat exchange tube 24, the upper part of the water outlet cavity 27 is communicated with the water outlet tube 13, the lower part of the water outlet cavity 27 is communicated with each heat exchange tube 24, clear water flows into the water inlet cavity 26 of the heat exchange tube 25 through the water inlet tube 12, clear water in the water inlet cavity 26 flows into each heat exchange tube 24 due to the fact that the water inlet cavity 26 is simultaneously communicated with each heat exchange tube 24, heat transfer occurs between the inner part of the heat exchange channel of the heat exchange tube 24 and sewage outside the heat exchange tube 24, and clear water subjected to heat exchange in each heat exchange tube 24 flows to the water outlet cavity 27 and flows out through the water outlet tube 5.
In practice, the water inlet chamber 26 and the water outlet chamber 27 are vertically distributed inside the pipe joint 25, and the heat exchange pipes 24 may be configured as "U", that is, each heat exchange pipe 24 includes two parallel straight pipe portions and one bent pipe portion, two ends of the bent pipe portion are fixedly connected with the lower ends of the two straight pipe portions respectively to form an integral structure, the upper end of one straight pipe portion extends to the water inlet chamber 26, and the upper end of the other straight pipe portion extends to the water outlet chamber 27. The heat exchange tube 24 is U-shaped, so that the flowing distance of clear water in the heat exchange tube 24 is increased, the heat exchange time with sewage is prolonged, and the heat exchange efficiency of the heat exchanger can be improved.
In practice, the water inlet pipe 12 and the water outlet pipe 13 are coaxially sleeved together, the water inlet pipe 12 and the water outlet pipe 13 are fixedly connected, and one of the water inlet pipe and the water outlet pipe is fixedly connected with the shell 23. The pipe joint 25 is rotationally connected with the water inlet pipe 12, the pipe joint 25 is rotationally connected with the water outlet pipe 13, the axis of the water inlet pipe 12 and the axis of the water outlet pipe 13 are coincident with the rotation axis of the pipe joint 25, the heat exchange pipe 24 is fixedly connected with the pipe joint 25, the water inlet pipe 12 and the water outlet pipe 13 are fixed in the rotation process of the pipe joint 25 and the heat exchange pipe 24, the rotation of a connecting pipeline which is arranged outside the shell 23 and connected with the water inlet pipe 12 and the water outlet pipe 13 is avoided, and the winding problem of the connecting pipeline is avoided. As shown in fig. 5, the water inlet pipe 12 is sleeved outside the water outlet pipe 13, a gap is formed between the inner side wall of the water inlet pipe 12 and the outer side wall of the water outlet pipe 13, and clean water flows from the gap between the water inlet pipe 12 and the water outlet pipe 13 to the water inlet cavity 26; the clean water in the water outlet cavity 27 flows out from the inside of the water outlet pipe 13. Conversely, if the water inlet pipe 12 is disposed inside the water outlet pipe 13, a gap is formed between the outer side wall of the water inlet pipe 12 and the inner side wall of the water outlet pipe 13, and clean water flows into the water inlet cavity 26 from the inside of the water inlet pipe 12; the clean water in the water outlet cavity 27 flows out from the gap between the water inlet pipe 12 and the water outlet pipe 13.
In practice, in order to realize the relative rotation between the pipe joint 25 and the water inlet pipe 12 and the water outlet pipe 13, a first slewing bearing is arranged between the water inlet pipe 12 and the pipe joint 25, and a second slewing bearing is arranged between the water outlet pipe 13 and the pipe joint 25, wherein the first slewing bearing and the second slewing bearing can be tapered roller bearings while ensuring that the pipe joint 25 can rotate relative to the water inlet pipe 12 and the water outlet pipe 13, and a vertical upward supporting force is required to be provided for the pipe joint 25. The first slewing bearing comprises a first inner ring fixedly connected with the water inlet pipe 12 and a first outer ring fixedly connected with the pipe joint 25, the second slewing bearing comprises a second inner ring fixedly connected with the water outlet pipe 13 and a second outer ring fixedly connected with the pipe joint 25, rolling bodies are arranged between the first inner ring and the first outer ring and between the second inner ring and the second outer ring, so that the first inner ring and the first outer ring can smoothly rotate relatively, and the second inner ring and the second outer ring can smoothly rotate relatively.
In practice, in order to ensure the tightness of the rotary connection between the water inlet pipe 12 and the pipe joint 25 and the tightness of the rotary connection between the water outlet pipe 13 and the pipe joint 25, sealing rings are arranged between the water inlet pipe 12 and the pipe joint 25 and between the water outlet pipe 13 and the pipe joint 25.
In practice, the driving device comprises a motor 28 arranged above the casing 23, a high-speed gear 29 connected with an output shaft of the motor 28, and a low-speed gear 30 fixedly connected with the pipe joint 25, wherein the high-speed gear 29 and the low-speed gear 30 are meshed for transmission. A through hole through which the water inlet pipe 12 and the water outlet pipe 13 pass is provided at the center of the low speed gear 30, and for convenience of description, it is assumed that the water inlet pipe 12 is sleeved outside the water outlet pipe 13. In this case, after the water inlet pipe 12 and the water outlet pipe 13 pass through the through holes of the low speed gear 30, the water inlet pipe 12 is rotatably connected with the low speed gear 30. The through hole is internally provided with a bearing, the inner ring of the bearing is fixedly connected with the outer side wall of the water inlet pipe 12, the outer ring of the bearing is fixedly connected with the low-speed gear 30, and at the moment, the water inlet pipe 12 is equivalent to the rotating shaft of the low-speed gear 30, and the support is provided for the rotation of the low-speed gear 30.
In order to realize forward rotation and reverse rotation of the motor 28, a motor forward and reverse rotation circuit is arranged at the control end of the motor 28, and the forward rotation and reverse rotation of the motor 28 are controlled through the motor forward and reverse rotation circuit, namely, the forward rotation and reverse rotation of the pipe joint 25 and the heat exchange pipe 24 are realized.
The rotation speed of the low-speed gear 30, that is, the rotation speed of the pipe joint 25 and the heat exchange pipe 24 is low, typically 1 to 2 rpm.
In this embodiment, in order to enable the low-speed gear 30 to drive the pipe joint 25 to rotate, a plurality of connection columns 31 are disposed on the lower end face of the low-speed gear 30, the connection columns 31 are uniformly distributed around the water inlet pipe 12 and the water outlet pipe 13 along the circumferential direction of the low-speed gear 30, the upper ends of the connection columns 31 are fixedly connected with the lower end face of the low-speed gear 30, the lower ends of the connection columns 31 are fixedly connected with the upper end of the pipe joint 25, referring to fig. 7, an annular through hole 32 is required to be disposed on the top end face of the housing 23, the axis of the annular through hole 32 coincides with the axis of the low-speed gear 30, and the connection columns 31 can pass through the annular through hole 32 and move along the circumferential direction of the annular through hole 32 under the driving of the low-speed gear 30. The plurality of connecting posts 31 simultaneously move along the circumferential direction of the annular through hole 32, the connection positions between each connecting post 31 and the pipe joint 25 are different, and each connecting post 31 has tangential force to the pipe joint 25 at the corresponding position, so that the pipe joint 25 is driven to rotate.
In this embodiment, casing 23 includes cylinder portion and the circular cone portion that is located the cylinder below, the lower extreme of cylinder portion and the big end fixed connection of circular cone portion are integrated into one piece structure, sewage import 10 sets up on the lateral wall of cylinder portion upper end, sewage export 11 sets up in the bottom of circular cone portion, the lower extreme of casing 23 is circular cone portion, the bottom surface of casing 23 is the inclined plane of downward sloping promptly, sewage export 11 position is minimum, guarantee that deposit class impurity can follow sewage export 11 smoothly and discharge, can avoid deposit class dirt, reduce the cleaning work to this heat exchanger.
It should be noted that, since the sewage outlet 11 is disposed at the lower end of the housing 23, in order to ensure that a sufficient installation space is provided below the housing 23, a supporting frame for supporting the housing 23 is further disposed outside the housing 23, and the housing 23 is fixedly supported on the supporting frame.
In a preferred embodiment of this embodiment, the cylindrical portion of the housing 23 is provided with a sewage inlet pipe 33 extending substantially tangentially to the cylindrical portion at the sewage inlet 10, as shown in fig. 6, so that sewage enters the housing 23 in a tangential direction of the cylindrical portion of the housing 23, and a strong rotational movement is generated at this time, which is beneficial to forming a vortex flow in the interior of the housing 23 and increasing the downward suction force on suspended or floating impurities.
When the sewage enters the casing 23, the included angle α between the axis of the sewage inlet pipe 33 and the tangent line of the cylindrical portion at the corresponding position is 0-30 degrees to ensure that the sewage can generate strong rotational motion.
In this embodiment, be provided with the high-pressure water shower nozzle in the inside of casing 23 for regularly wash casing 23 inside wall and heat exchange tube subassembly, avoid manual cleaning.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A sewage source heat pump apparatus, comprising: the sewage treatment device comprises a shell (1), a sewage source heat exchanger (3) used for being communicated with a sewage source (2) to form a sewage circulation system, a water source heat pump unit (5) used for being communicated with terminal equipment (4) to form a terminal circulation system and a water supplementing system, wherein the sewage source heat exchanger (3), the water source heat pump unit (5) and the water supplementing system are all arranged in the shell (1);
The shell (1) is provided with a first inlet (6) and a first outlet (7) for communicating with the sewage source (2) and a second inlet (8) and a second outlet (9) for communicating with the terminal equipment (4);
the sewage source heat exchanger (3) is provided with a sewage inlet (10) and a sewage outlet (11), and a water inlet pipe (12) and a water outlet pipe (13);
The water source heat pump unit (5) is provided with a clear water inlet (14) and a clear water outlet (15), and a refrigerant inlet (16) and a refrigerant outlet (17);
A tail end circulating pump (18) is arranged between the sewage inlet (10) and the first inlet (6), between the sewage outlet (11) and the first outlet (7), between the second inlet (8) and the refrigerant inlet (16) and between the refrigerant outlet (17) and the second outlet (9) through pipelines;
the water outlet pipe (13) is connected with the clean water inlet (14) through a pipeline, the clean water outlet (15) is connected with the water inlet pipe (12) through a pipeline to form an intermediate circulation system, and an intermediate circulation pump (19) is arranged between the clean water inlet (14) and the water outlet pipe (13);
The sewage source heat exchanger (3) comprises a shell (23) with a containing cavity for sewage circulation and a heat exchange tube assembly which is arranged in the containing cavity and can rotate relative to the shell (23), wherein the water inlet end of the heat exchange tube assembly is connected with the water inlet tube (12), the water outlet end of the heat exchange tube assembly is connected with the water outlet tube (13), the sewage inlet (10) is arranged at the upper end of the shell (23), the sewage outlet (11) is arranged at the lower end of the shell (23), and a driving device for driving the heat exchange tube assembly to rotate forwards and reversely is arranged above the shell (23);
The heat exchange tube assembly comprises a plurality of heat exchange tubes (24) which are arranged in parallel and a tube joint (25) which is used for enabling the water inlet end of the heat exchange tubes (24) to be communicated with the water inlet tube (12) and the water outlet end of the heat exchange tubes (24) to be communicated with the water outlet tube (13), wherein a water inlet cavity (26) and a water outlet cavity (27) which are distributed up and down and are mutually independent are arranged in the tube joint (25), the water inlet tube (12) and each heat exchange tube (24) are communicated with the water inlet cavity (26), and the water outlet tube (13) and each heat exchange tube (24) are communicated with the water outlet cavity (27);
The water inlet pipe (12) and the water outlet pipe (13) are coaxially sleeved together, the water inlet pipe (12) and the water outlet pipe (13) are relatively fixed with the shell (23), the pipe joint (25) is rotationally connected with the water inlet pipe (12), the pipe joint (25) is rotationally connected with the water outlet pipe (13), and the axis of the water inlet pipe (12) and the axis of the water outlet pipe (13) are coincident with the rotation axis of the pipe joint (25);
The water supplementing system comprises a water supplementing tank (21) communicated with the water supplementing inlet (20) and a water supplementing pump (22) connected with the water supplementing tank (21), wherein the outlet end of the water supplementing pump (22) is communicated with the water outlet pipe (13) and is communicated with the refrigerant inlet (16).
2. The sewage source heat pump apparatus according to claim 1, wherein the intermediate circulation pump (19), the end circulation pump (18) and the water replenishment pump (22) are each provided in parallel.
3. The sewage source heat pump apparatus according to claim 1, wherein the driving device comprises a motor (28) arranged above the housing (23), a high-speed gear (29) connected with an output shaft of the motor (28), and a low-speed gear (30) fixedly connected with the pipe joint (25), a forward and reverse rotation circuit of the motor (28) is arranged at a control end of the motor (28), a through hole for the water inlet pipe (12) and the water outlet pipe (13) to pass through is arranged at a central position of the low-speed gear (30), and the low-speed gear (30) is rotatably connected with the water inlet pipe (12) and the water outlet pipe (13).
4. A sewage source heat pump apparatus according to claim 3, wherein a plurality of connection posts (31) are fixedly provided on the lower end face of the low-speed gear (30), the plurality of connection posts (31) are uniformly distributed along the circumference of the low-speed gear (30), an annular through hole (32) through which the connection posts (31) pass is provided on the top end face of the housing (23), the axis of the annular through hole (32) coincides with the axis of the low-speed gear (30), the plurality of connection posts (31) are movable along the circumference of the annular through hole (32), and the lower end of the connection posts (31) is fixedly connected with the upper end of the pipe joint (25).
5. The sewage source heat pump apparatus according to claim 1, wherein the housing (23) comprises a cylindrical portion and a conical portion located below the cylindrical portion, the lower end of the cylindrical portion and the large end of the conical portion are fixedly connected into an integral structure, the sewage inlet (10) is disposed on the side wall of the upper end of the cylindrical portion, the sewage outlet (11) is disposed at the bottom end of the conical portion, and the cylindrical portion is provided with a sewage inlet pipe (33) extending substantially tangential to the cylindrical portion at the sewage inlet (10) so that sewage enters the housing (23) in a tangential direction of the cylindrical portion.
6. The sewage source heat pump apparatus according to claim 1, wherein the inside of the housing (23) is provided with a high-pressure water spray head for cleaning the inner side wall of the housing (23) and the heat exchange tube assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393351.6A CN110057001B (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393351.6A CN110057001B (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump equipment |
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| Publication Number | Publication Date |
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| CN110057001A CN110057001A (en) | 2019-07-26 |
| CN110057001B true CN110057001B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910393351.6A Active CN110057001B (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump equipment |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102280276B1 (en) * | 2020-03-20 | 2021-07-22 | 주식회사 월드원하이테크 | Heat pump system and cooling and heating system using the same |
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| JPH11264680A (en) * | 1998-03-17 | 1999-09-28 | Toshiba Eng Co Ltd | Heat exchanger |
| CN101042285A (en) * | 2007-04-25 | 2007-09-26 | 王君健 | Disc shape self-cleaning waste-water thermal energy recoverer |
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| CN208059634U (en) * | 2018-02-24 | 2018-11-06 | 无锡泰仑达化机设备有限公司 | A kind of heat exchanger for sewage disposal |
| CN209857298U (en) * | 2019-05-13 | 2019-12-27 | 燕河能源技术(北京)股份有限公司 | Sewage source heat pump equipment |
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2019
- 2019-05-13 CN CN201910393351.6A patent/CN110057001B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11264680A (en) * | 1998-03-17 | 1999-09-28 | Toshiba Eng Co Ltd | Heat exchanger |
| CN101042285A (en) * | 2007-04-25 | 2007-09-26 | 王君健 | Disc shape self-cleaning waste-water thermal energy recoverer |
| CN204460845U (en) * | 2015-02-12 | 2015-07-08 | 高亚民 | Bathing pool heat energy recycling dedicated hot water unit |
| CN206803549U (en) * | 2017-04-20 | 2017-12-26 | 山西文龙中美环能科技股份有限公司 | A kind of integrated form waste heat recovery sewage source heat pump unit |
| CN208059634U (en) * | 2018-02-24 | 2018-11-06 | 无锡泰仑达化机设备有限公司 | A kind of heat exchanger for sewage disposal |
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| CN110057001A (en) | 2019-07-26 |
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