CN211552110U - Novel air source heat pump recovery waste heat utilization system - Google Patents

Novel air source heat pump recovery waste heat utilization system Download PDF

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Publication number
CN211552110U
CN211552110U CN202020046742.9U CN202020046742U CN211552110U CN 211552110 U CN211552110 U CN 211552110U CN 202020046742 U CN202020046742 U CN 202020046742U CN 211552110 U CN211552110 U CN 211552110U
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China
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heat pump
air source
source heat
air
waste heat
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CN202020046742.9U
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Chinese (zh)
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彭斌
王永强
吴武通
刘江海
程俊超
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Zhejiang Canaan Technology Ltd
Lanzhou University of Technology
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Zhejiang Canaan Technology Ltd
Lanzhou University of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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Abstract

The utility model relates to a low temperature waste heat recovery technical field, concretely relates to novel air source heat pump retrieve waste heat utilization system. The specific technical scheme is as follows: the utility model provides a novel air source heat pump retrieve waste heat utilization system, includes the air handling unit, the air intake of fluidized bed unit is connected to the gas outlet of air handling unit, the air outlet department of fluidized bed unit is connected with the dust removal cabinet, the air outlet department of dust removal cabinet is connected with centrifugal fan, centrifugal fan's air outlet is connected with air source heat pump water heater through the filter, air source heat pump water heater's export is connected with the pump station, the exit of pump station is connected to in the fluidized bed unit. The utility model discloses with exhaust hot-blast process twice filtration back, as air source heat pump water heater's low temperature waste heat, make the heat pump produce hot water and wash fluidized bed unit, effectual waste heat recovery with the exhaust utilizes, has reduced the energy consumption, has improved energy utilization.

Description

Novel air source heat pump recovery waste heat utilization system
Technical Field
The utility model relates to a low temperature waste heat recovery technical field, concretely relates to novel air source heat pump retrieve waste heat utilization system.
Background
The low-temperature waste heat resources generated in the industrial production process of China are large in total amount, and most of the low-temperature waste heat resources are discharged into the air due to the lagging technology and equipment. The low-temperature waste heat after the pharmaceutical granules are dried in the pharmaceutical factory is directly discharged into the air, and a large amount of waste heat resources are wasted and cause environmental pollution.
Chinese patent publication No. CN208720568U discloses a system for recycling waste water and waste gas low-temperature waste heat, which uses waste gas and waste liquid continuously supplemented and discharged as a low-temperature heat source to recycle waste heat in waste water and waste gas. However, the technology has the defects that when waste gas and waste liquid are continuously supplemented and discharged to be used as a low-temperature heat source, the stability and the reliability of a system are ensured; when the waste gas and water is used as a low-temperature heat source, the flow rate of the waste gas and water has great influence on the heat exchange effect of the heat exchanger, and the flow rate control of the waste gas and water in the technology is not clear.
In view of this, how to provide a new waste heat utilization system, so that the discharged waste heat resources are recycled, waste of the waste heat is avoided, and the utilization rate of energy is improved; the method reduces the steam used for cleaning and drying equipment, brings great economic benefit to companies, and is a key problem which needs to be solved urgently at present.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a novel air source heat pump recovery waste heat utilization system has solved among the prior art stability and the poor and waste gas waste water flow rate control undefined problem of waste heat recovery system of recycling.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model discloses a novel air source heat pump retrieve waste heat utilization system, including the air handling unit, the air intake of fluidized bed unit is connected to the gas outlet of air handling unit, the air outlet department of fluidized bed unit is connected with the dust removal cabinet, the air outlet department of dust removal cabinet is connected with centrifugal fan, centrifugal fan's air outlet is connected with air source heat pump water heater through the filter, air source heat pump water heater's export and pump station are connected, the exit of pump station is connected to in the fluidized bed unit.
Preferably, the air treatment unit, the fluidized bed unit, the dust removal cabinet, the centrifugal fan, the filter, the air source heat pump water heater and the pump station are connected with each other through exhaust pipelines respectively.
Preferably, a temperature sensor is arranged on an exhaust pipeline between the air source heat pump water heater and the filter.
Preferably, the temperature sensor is arranged between the air source heat pump water heater and the filter and at a position 0.8-1.5 m away from the air source heat pump water heater.
Preferably, the air source heat pump water heater comprises a fin evaporator, an outlet of the fin evaporator is connected to a vortex compressor, an air outlet of the vortex compressor is connected to the upper end of a casing condenser, and the lower end of the casing condenser is connected to the fin evaporator through an electronic expansion valve.
Preferably, a heat-preservation water tank is communicated with the inter-tube cavity of the casing condenser, and cooling water of the heat-preservation water tank enters the inter-tube cavity of the casing condenser from the lower end of the casing condenser and then flows out from the upper end of the casing condenser and enters the heat-preservation water tank.
Preferably, the water outlet of the heat preservation water tank is connected to the cleaning port of the fluidized bed unit through the pump station.
Preferably, the air outlet of the centrifugal fan is connected with the fin evaporator through a filter.
Preferably, the air handling unit comprises a heat exchanger and a dehumidifier.
The utility model discloses possess following beneficial effect:
the utility model provides an air source heat pump water heater is as waste heat recovery system, with exhaust hot-blast through twice filtration back, as air source heat pump water heater's low temperature waste heat, makes the heat pump produce hot water and washs fluidized bed unit, and effectual waste heat recovery with the exhaust utilizes, has reduced the energy consumption, has improved energy utilization and has rateed, has practiced thrift the steam consumption.
Drawings
FIG. 1 is a block diagram of the flow of the present invention;
FIG. 2 is a block flow diagram of an air source heat pump water heater;
in the figure: the system comprises an air processing unit 1, a fluidized bed unit 2, a dust removal cabinet 3, a centrifugal fan 4, an exhaust pipeline 5, a filter 6, an air source heat pump water heater 7, a pump station 8, a fin evaporator 9, a vortex compressor 10, a casing condenser 11, a heat preservation water tank 12, an electronic expansion valve 13 and a temperature sensor 14.
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.
Referring to fig. 1-2, the utility model discloses a novel air source heat pump recovery waste heat utilization system, including air handling unit 1, air handling unit 1 includes heat exchanger and dehumidifier, and air handling unit 1 absorbs the air in the environment to with inspiratory air through the dehumidification back, obtain dry air, its temperature is 15 ℃, introduce high temperature steam from outside in the coil pipe of heat exchanger, high temperature steam is provided by special steam company, during the earthing pipe leads to steam heat exchanger, when dry air flows through high temperature steam heat exchange tube, by the heat transfer to about 120 ℃.
The air intake of fluidized bed unit 2 is connected to air handling unit 1's gas outlet, and the air outlet department of fluidized bed unit 2 is connected with dust removal cabinet 3, and the air outlet department of dust removal cabinet 3 is connected with centrifugal fan 4, and centrifugal fan 4's air outlet is connected with air source heat pump water heater 7 through filter 6, and the export of air source heat pump water heater 7 is connected with pump station 8, and the exit of pump station 8 is connected to in the fluidized bed unit 2, specifically is: the water outlet of the heat preservation water tank 12 is connected to the cleaning port of the fluidized bed unit 2 through the pump station 8. The air treatment unit 1, the fluidized bed unit 2, the dust removal cabinet 3, the centrifugal fan 4, the filter 6, the air source heat pump water heater 7 and the pump station 8 are connected with each other through an exhaust pipeline 5 respectively. A temperature sensor 14 is arranged on the exhaust pipeline 5 between the air source heat pump water heater 7 and the filter 6. The specific position is that the temperature sensor 14 is arranged between the air source heat pump water heater 7 and the filter 6 and is 1m away from the air source heat pump water heater 7. The exhaust duct 5 is provided with a heat insulation layer to reduce heat loss of the exhaust duct.
It should be noted that: hot steam of 120 ℃ enters the fluidized bed unit 2 from an air inlet at the lower end of the fluidized bed unit 2, the hot steam flows reversely from bottom to top, and the medicine particles to be dried are continuously turned over in the fluidized bed unit, so that the medicine particles are uniformly dried under the action of the hot steam. When the medicine particles reach the drying requirement, certain amount of medicine particle dust and other impurities are carried in the hot air at the moment, then the dust and other impurities in the hot air are removed under the action of the dust removal cabinet 3, the hot air flowing through the dust removal cabinet 3 is pumped out from the exhaust pipeline 5 by the centrifugal fan 4, the wind speed or wind quantity of the hot air can be controlled by the centrifugal fan 4, the average temperature of the hot air pumped out by the centrifugal fan 4 is 40 ℃, the impurities in the hot air are filtered and cleaned through the filter 6 before the hot air is pumped into the air source heat pump water heater 7, and the filtering grade is F8-F9. And a temperature sensor 14 is arranged between the filter 6 and the air source heat pump water heater 7 and at the exhaust pipe 5 1m before the filtered hot air enters the air source heat pump water heater 7 to monitor the temperature of the hot air entering the air source heat pump water heater 7, the hot air entering the air source heat pump water heater 7 is used as a low-temperature heat source of the air source heat pump water heater 7 to drive the air source heat pump water heater 7 to generate hot water at 60 ℃, the generated hot water is stored in a heat preservation water tank 12, an inlet section of the pump station 8 is connected to the heat preservation water tank 12 to convey the hot water in the heat preservation water tank 12 to the fluidized bed unit 2 to be cleaned, and the fluidized bed unit 2 is cleaned, so that the purposes of recycling and utilizing the waste heat resources are achieved, and the.
Further, the air source heat pump water heater 7 comprises a fin evaporator 9, an outlet of the fin evaporator 9 is connected into a vortex compressor 10, an air outlet of the vortex compressor 10 is connected to an upper end of a casing condenser 11, and a lower end of the casing condenser 11 is connected into the fin evaporator 9 through an electronic expansion valve 13. The inter-tube cavity of the casing condenser 11 is communicated with a heat preservation water tank 12, and cooling water of the heat preservation water tank 12 enters the inter-tube cavity of the casing condenser 11 from the lower end of the casing condenser 11 and then flows out of the upper end of the casing condenser 11 and enters the heat preservation water tank 12. The air outlet of the centrifugal fan 4 is connected with a fin evaporator 9 through a filter 6. The outer side wall of the heat preservation water tank 12 is provided with a heat insulation material with the thickness of 5cm, so that the temperature of the heat preservation water tank 12 is reduced to about 5 ℃ in one day, and the heat preservation effect is good.
It should be understood that: the middle position of the double-pipe condenser 11 is provided with a cavity which is through up and down, and the water in the heat preservation water tank 12 flows in the cavity to achieve the purpose of cooling the high-temperature steam entering the double-pipe condenser 11. The specific process is as follows: the refrigerant in the fin evaporator 9 absorbs a large amount of hot air filtered by the filter 6 to evaporate the refrigerant into a gaseous state, the evaporated low-temperature low-pressure gas refrigerant enters the vortex compressor 10 and is compressed into high-temperature high-pressure steam, the high-temperature high-pressure steam enters the inner tube at the upper end of the sleeve condenser 11 for condensation and heat exchange, the heat-exchanged condensate flows out from the lower end of the inner tube of the sleeve condenser 11, the cooling water in the heat-preservation water tank 12 enters the lower end of the cavity between the tubes of the sleeve condenser 11 from the lower end of the cooling water, the cooling water flows out from the upper end of the cavity between the tubes of the sleeve condenser 11 into the heat-preservation water tank 12 after countercurrent heat exchange, the hot water with increased temperature is stored in the heat-preservation water tank 12, and the condensed heat transfer medium returns to the fin evaporator 9 through the. And the hot water in the heat preservation water tank 12 is led to the cleaning port of the fluidized bed unit 2 through the action of the pump station 8 so as to clean the fluidized bed unit and save the consumption of steam.
Furthermore, in order to ensure the stability and high efficiency of the operation of the equipment, the air source heat pump water heater 7 is placed in the equipment room, the outer wall of the equipment room is provided with heat insulation materials, and the average temperature of the hot air after dust removal and filtration is about 40 ℃, which is equivalent to that the air source heat pump water heater 7 works at the ambient temperature of 40 ℃ so as to ensure the stability and high efficiency of the operation. The heat insulating material, the heat insulating layer and the heat insulating material are all the existing materials and can be selected according to the conventional method.
When the medicine particle drying treatment system (the air treatment unit 1 and the fluidized bed unit 2) does not work, namely no exhaust waste heat exists, the equipment room can be opened, the power supply is switched on, the air source heat pump water heater 7 absorbs heat in the environment and continuously generates hot water, the temperature of the generated hot water and the temperature and the pressure of the air source heat pump system (the air source heat pump water heater 7) can be checked through the PC end, the hot water is stored in the heat preservation water tank 12, and the medicine particle drying treatment system can be used for other purposes. The best implementation method is that hot air with variable temperature and air volume after secondary filtration is gathered in the equipment room and used as a low-temperature heat source of the air source heat pump system, so that the air source heat pump water heater 7 can efficiently and stably generate hot water for cleaning the fluidized bed unit 2.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (9)

1. The utility model provides a novel air source heat pump retrieve waste heat utilization system which characterized in that: including air handling unit (1), the air intake of fluidized bed unit (2) is connected to the gas outlet of air handling unit (1), the air outlet department of fluidized bed unit (2) is connected with dust removal cabinet (3), the air outlet department of dust removal cabinet (3) is connected with centrifugal fan (4), the air outlet of centrifugal fan (4) is connected with air source heat pump water heater (7) through filter (6), the export and pump station (8) of air source heat pump water heater (7) are connected, the exit of pump station (8) is connected to in the fluidized bed unit (2).
2. The novel air source heat pump recovery waste heat utilization system according to claim 1, characterized in that: the air treatment unit (1), the fluidized bed unit (2), the dust removal cabinet (3), the centrifugal fan (4), the filter (6), the air source heat pump water heater (7) and the pump station (8) are connected with one another through an exhaust pipeline (5) respectively.
3. The novel air source heat pump recycling waste heat utilization system according to claim 2, characterized in that: and a temperature sensor (14) is arranged on an exhaust pipeline (5) between the air source heat pump water heater (7) and the filter (6).
4. The novel air source heat pump recycling waste heat utilization system according to claim 3, characterized in that: the temperature sensor (14) is arranged between the air source heat pump water heater (7) and the filter (6) and is 0.8-1.5 m away from the air source heat pump water heater (7).
5. The novel air source heat pump recovery waste heat utilization system according to claim 1, characterized in that: the air source heat pump water heater (7) comprises a fin evaporator (9), an outlet of the fin evaporator (9) is connected into a vortex compressor (10), an air outlet of the vortex compressor (10) is connected to the upper end of a casing condenser (11), and the lower end of the casing condenser (11) is connected into the fin evaporator (9) through an electronic expansion valve (13).
6. The novel air source heat pump recycling waste heat utilization system according to claim 5, characterized in that: the utility model discloses a double-pipe condenser, including casing condenser (11), the intertube cavity of casing condenser (11) is last to communicate there is holding water tank (12), holding water tank (12)'s cooling water follow the lower extreme of casing condenser (11) enters into the intertube cavity of casing condenser (11), then follows the upper end outflow of casing condenser (11) enters into in holding water tank (12).
7. The novel air source heat pump recovery waste heat utilization system according to claim 6, characterized in that: and a water outlet of the heat-preservation water tank (12) is connected to a cleaning port of the fluidized bed unit (2) through the pump station (8).
8. The novel air source heat pump recycling waste heat utilization system according to claim 5, characterized in that: and an air outlet of the centrifugal fan (4) is connected with the fin evaporator (9) through a filter (6).
9. The novel air source heat pump recycling waste heat utilization system according to claim 2, characterized in that: the air treatment unit (1) comprises a heat exchanger and a dehumidifier.
CN202020046742.9U 2020-01-09 2020-01-09 Novel air source heat pump recovery waste heat utilization system Active CN211552110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020046742.9U CN211552110U (en) 2020-01-09 2020-01-09 Novel air source heat pump recovery waste heat utilization system

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Application Number Priority Date Filing Date Title
CN202020046742.9U CN211552110U (en) 2020-01-09 2020-01-09 Novel air source heat pump recovery waste heat utilization system

Publications (1)

Publication Number Publication Date
CN211552110U true CN211552110U (en) 2020-09-22

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