CN213713348U - Combined air conditioner steam waste heat utilization device - Google Patents
Combined air conditioner steam waste heat utilization device Download PDFInfo
- Publication number
- CN213713348U CN213713348U CN202022909919.6U CN202022909919U CN213713348U CN 213713348 U CN213713348 U CN 213713348U CN 202022909919 U CN202022909919 U CN 202022909919U CN 213713348 U CN213713348 U CN 213713348U
- Authority
- CN
- China
- Prior art keywords
- steam
- resistor
- air conditioner
- waste heat
- heat utilization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The application relates to a combined air conditioner steam waste heat utilization device, which belongs to the technical field of air conditioners and comprises a steam exhaust pipe communicated with an air conditioner, wherein one end of the steam exhaust pipe, which is far away from the air conditioner, is connected with a heat exchanger, the steam exhaust pipe is communicated with a steam inlet of the heat exchanger, an outlet of the heat exchanger is communicated with a drain pipe, and the heat exchanger is arranged in a room; the combined air conditioner steam waste heat utilization device comprises a first temperature detection device arranged in a room, a steam extraction pipe is communicated with the steam extraction pipe, one end, far away from the steam extraction pipe, of the steam extraction pipe is communicated with a water container, a suction pump is arranged on the steam extraction pipe, an inlet of the suction pump is close to the steam extraction pipe, a second temperature detection device is arranged at a position, close to an air conditioner, of the exhaust pipe, and the combined air conditioner steam waste heat utilization device further comprises a controller and a driving circuit. Compared with the prior art, the air conditioning system has the effect of improving the problem of steam heat waste in the air conditioning system.
Description
Technical Field
The application relates to the field of air conditioning technology, in particular to a combined air conditioner steam waste heat utilization device.
Background
The combined air conditioner set is one kind of air treating apparatus comprising various air treating functional sections and is suitable for air conditioning system with resistance over 100 Pa. The air conditioning unit has air mixing, flow equalizing, filtering, cooling, primary and secondary heating, dehumidifying, humidifying, blower returning, water spraying, silencing, heat recovering and other units.
The existing combined air conditioning system adopts a steam heating and humidifying system, and steam is exhausted from an exhaust pipe after being utilized by an air conditioner, namely, the steam is directly exhausted. Most of heat of the discharged steam is utilized by the air conditioner, but some heat is still remained in the steam and is directly discharged, so that energy waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to improve the extravagant problem of steam heat among the air conditioning system, this application provides a combination air conditioner steam waste heat utilization equipment.
The application provides a combination air conditioner steam waste heat utilization equipment adopts following technical scheme:
the utility model provides a combination air conditioner steam waste heat utilization equipment, includes the exhaust pipe with the air conditioner intercommunication, the one end that the air conditioner was kept away from to the exhaust pipe is connected with the heat exchanger, just the exhaust pipe communicates with the vapour import of heat exchanger, the export intercommunication of heat exchanger has the drain pipe, the heat exchanger sets up in the room.
Through adopting above-mentioned technical scheme, in steam that is utilized by the air conditioner entered the heat exchanger after the exhaust pipe discharges, the heat exchanger absorbs the back with remaining heat in the steam, and the steam liquefaction becomes liquid and discharges from the export of heat exchanger, and after the heat exchanger absorbed the heat simultaneously, the heat was scattered in the room at heat exchanger place to realize giving the effect of room heating, further utilize the heat in the steam, and then greatly improve the extravagant problem of steam heat among the air conditioning system.
Optionally, a first temperature detection device is arranged in the room, a steam extraction pipe is communicated with the steam extraction pipe, a water container is communicated with one end, far away from the steam extraction pipe, of the steam extraction pipe, an air extraction pump is arranged on the steam extraction pipe, an inlet of the air extraction pump is close to the steam extraction pipe, a second temperature detection device is arranged at a position, close to the air conditioner, of the exhaust pipe, and the combined air conditioner steam waste heat utilization device further comprises a controller and a driving circuit; wherein the content of the first and second substances,
the temperature information output end of the first temperature detection device is connected with a first signal input end of the controller, and the temperature information output end of the second temperature detection device is connected with a second signal input end of the controller;
the positive electrode of the motor of the air pump is used for being connected with the positive electrode of the first power supply, and the negative electrode of the motor of the air pump is connected with the voltage input end of the driving circuit;
and the control signal input end of the driving circuit is connected with the signal output end of the controller.
Through adopting above-mentioned technical scheme, when having steam to discharge from the steam extraction pipe, the temperature information of steam extraction pipe can be detected to second temperature-detecting device, and the temperature in first temperature-detecting device real-time detection room, the work of controller according to two received temperature information control air extraction pumps, thereby when the room temperature is higher and there is steam to discharge, can send control signal for drive circuit, make drive circuit drive air extraction pump work, with the steam suction steam extraction pipe in the steam extraction pipe and finally get into the water container, the water heating in the water container, thereby can avoid the room temperature too high to a certain extent, can further utilize the waste heat in the steam simultaneously, further improve the extravagant problem of steam heat among the air conditioning system.
Optionally, the driving circuit includes a first resistor R1, a second resistor R2, a third resistor R3, and a first NPN transistor Q1 and a second NPN transistor Q2; wherein the content of the first and second substances,
one end of the first resistor R1 is used for being connected with the anode of the second power supply, and the other end of the first resistor R1 is respectively connected with the collector of the first NPN triode Q1 and the base of the second NPN triode Q2;
one end of the second resistor R2 is connected with the emitter of the first NPN triode Q1, and the other end of the second resistor R2 is connected with the grounding end;
one end of the third resistor R3 is connected with the emitter of the second NPN triode Q2, and the other end of the third resistor R3 is connected with the ground end;
the base electrode of the first NPN triode Q1 is connected with the control signal input end of the driving circuit, and the collector electrode of the second NPN triode Q2 is connected with the voltage input end of the driving circuit.
By adopting the technical scheme, when the control signal output end of the controller outputs a high level, the first NPN triode Q1 is conducted, so that the base electrode of the second NPN triode is the high level, the second NPN triode Q2 is conducted, and the motor of the air suction pump can be driven to work, so that the air suction pump is driven to work.
Optionally, the first temperature detection device and the second temperature detection device both include a temperature measurement circuit, and a temperature information output end of the temperature measurement circuit is connected with the first signal input end/the second signal input end of the controller.
Through adopting above-mentioned technical scheme, after temperature detection circuit detected temperature information, sent temperature information for the controller from the temperature information output to be convenient for detect the temperature in steam extraction pipe and room.
Optionally, the temperature measuring circuit includes a voltage amplifier U1, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7 and a thermistor RX; wherein the content of the first and second substances,
one end of the fourth resistor R4, one end of the thermistor RX, and the V + end of the voltage amplifier U1 are all used for being connected with the positive electrode of the second power supply, the other end of the fourth resistor R4 is respectively connected with one end of the fifth resistor R5 and the IN + end of the voltage amplifier U1, and the other end of the thermistor RX is respectively connected with one end of the sixth resistor R6, one end of the seventh resistor R7, and the IN-end of the voltage amplifier U1;
the other end of the fifth resistor R5, the other end of the sixth resistor R6 and the V-end of the voltage amplifier U1 are all connected with a grounding end, and the output end of the voltage amplifier U1 and the other end of the seventh resistor R7 are all connected with the temperature information output end of the temperature measuring circuit.
By adopting the technical scheme, the resistance value of the thermistor can change along with the change of the temperature, so that the voltage detected by the IN-end of the voltage amplifier U1 changes, the voltage detected by the IN + end of the voltage amplifier U1 does not change, the voltage detected by the IN-end and the IN + end of the voltage amplifier U1 is compared to obtain temperature change information, and meanwhile, the temperature change information is amplified, so that the effect of detecting the temperature change condition can be realized.
Optionally, the first temperature detection device and the second temperature detection device both include temperature sensors.
Optionally, a safety valve is arranged on the steam extraction pipe and at a position close to the steam exhaust pipe.
Through adopting above-mentioned technical scheme, when the pressure in the extraction steam pipe is greater than the value of settlement, the relief valve can be opened automatically, discharges away the partial steam in the extraction steam pipe to reduce the pressure in the extraction steam pipe, thereby can avoid the extraction steam pipe to a certain extent to damage because of pressure is too big, make the life that can prolong the extraction steam pipe.
Optionally, a one-way valve is arranged on the steam extraction pipe and at a position close to the water container, and an outlet of the one-way valve is close to the water container.
Through adopting above-mentioned technical scheme, the check valve can prevent to a certain extent that the water in the water receptacle from flowing backwards in the extraction steam pipe to make extraction steam pipe steady operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the application provides a combined air conditioner steam waste heat utilization device, through the combined action of a steam exhaust pipe, a heat exchanger and a drain pipe, after the heat exchanger absorbs residual heat in steam, the steam is liquefied into liquid and discharged from an outlet of the heat exchanger, and meanwhile, after the heat exchanger absorbs the heat, the heat is scattered into a room where the heat exchanger is located, so that the problem of steam heat waste in an air conditioning system is greatly improved;
2. through the combined action of the first temperature detection device, the second temperature detection device, the water container, the air suction pump, the steam extraction pipe, the controller and the driving circuit, the temperature of a room can be avoided from being too high to a certain extent, and meanwhile, the waste heat in steam can be further utilized, and the problem of steam heat waste in an air conditioning system is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a combined air conditioner steam waste heat utilization device according to an embodiment of the present application.
Fig. 2 is a first circuit schematic diagram of a combined air conditioner steam waste heat utilization device according to an embodiment of the present application.
Fig. 3 is a second circuit schematic diagram of the combined air conditioner steam waste heat utilization device according to the embodiment of the present application.
Description of reference numerals: 1. an air conditioner; 2. a steam exhaust pipe; 3. a heat exchanger; 4. a drain pipe; 5. a steam extraction pipe; 51. a safety valve; 52. a one-way valve; 6. a water container; 7. an air pump; 8. a temperature sensor; 9. a room; 101. a controller; 102. a drive circuit; 103. a temperature measuring circuit.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses combination air conditioner steam waste heat utilization equipment. Referring to fig. 1, in order to improve the problem of heat waste of steam in an air conditioning system. The combined air conditioner 1 steam waste heat utilization device comprises an air conditioner 1, a gas outlet of the air conditioner 1 is communicated with a steam exhaust pipe 2 through a threaded connection mode, one end of the steam exhaust pipe 2, far away from the air conditioner 1, is communicated with a heat exchanger 3, a steam inlet of the steam exhaust pipe 2 and the heat exchanger 3 is communicated, an outlet of the heat exchanger 3 is communicated with a water drain pipe 4, and the heat exchanger 3 is installed in a room 9 through bolt fixing and other modes. The heat exchanger 3 and the exhaust pipe 2, and the heat exchanger 3 and the drain pipe 4 are all connected by threads.
In other embodiments, the heat exchanger 3 can be replaced by a radiator or the like, and the effect of utilizing the waste heat of the steam can be achieved.
Referring to fig. 1 and 2, in order to avoid the temperature of the room 9 from being too high to some extent, the waste heat in the steam can be further utilized, and the problem of waste of the steam heat in the air conditioning system can be further improved. The combined air conditioner 1 further comprises a first temperature detection device fixed in the room 9, the room 9 is provided with the heat exchanger 3, and the first temperature detection device can be fixed in a bolt connection mode. The steam exhaust pipe 2 is communicated with a steam exhaust pipe 5, one end of the steam exhaust pipe 5, which is far away from the steam exhaust pipe 2, is communicated with a water container 6, a steam pump 7 is fixed on the steam exhaust pipe 5 through a bolt connection mode or a welding mode, the inlet of the steam pump 7 is close to the steam exhaust pipe 2, and the steam exhaust pipe 5 and the steam exhaust pipe 2 as well as the steam exhaust pipe 5 and the water container 6 are all fixed through a threaded connection mode. A second temperature monitoring device is fixed on the steam exhaust pipe 2 and at a position close to the air conditioner 1 through a bolt connection or welding mode and the like, and the combined air conditioner steam waste heat utilization device further comprises a controller 101 and a driving circuit 102; wherein the content of the first and second substances,
the temperature information output end of the first temperature detection device is connected with the first signal input end of the controller 101, and the temperature information output end of the second temperature detection device is connected with the second signal input end of the controller 101;
the anode of the motor of the air pump 7 is used for being connected with the anode of a first power supply, and the cathode of the motor is connected with the voltage input end of the driving circuit 102;
and a driving circuit 102, wherein a control signal input end is connected with a signal output end of the controller 101.
When steam is discharged from the steam discharge pipe 2, the second temperature detection device can detect the temperature information of the steam discharge pipe 2, the first temperature detection device detects the temperature in the room 9 in real time, the controller 101 controls the air suction pump 7 to work according to the received two temperature information, so that when the temperature of the room 9 is high and the steam is discharged, a control signal can be sent to the driving circuit 102, the driving circuit 102 drives the air suction pump 7 to work, the steam in the steam discharge pipe 2 is sucked into the steam suction pipe 5 and finally enters the water container 6, and the water in the water container 6 is heated, so that the overhigh temperature of the room 9 can be avoided to a certain extent, meanwhile, the waste heat in the steam can be further utilized, and the problem of steam heat waste in the air conditioner 1 system is further improved.
Referring to fig. 1 and 2, as an embodiment of the driving circuit 102, the driving circuit 102 includes a first resistor R1, a second resistor R2, a third resistor R3, and a first NPN transistor Q1 and a second NPN transistor Q2; wherein the content of the first and second substances,
a first resistor R1, one end of which is connected to the positive electrode of the second power supply, and the other end of which is connected to the collector of the first NPN transistor Q1 and the base of the second NPN transistor Q2, respectively;
a second resistor R2, one end of which is connected to the emitter of the first NPN transistor Q1 and the other end of which is connected to the ground;
a third resistor R3, one end of which is connected to the emitter of the second NPN transistor Q2 and the other end of which is connected to the ground;
the base of the first NPN transistor Q1 is connected to the control signal input of the driving circuit 102, and the collector of the second NPN transistor Q2 is connected to the voltage input of the driving circuit 102.
In the above embodiment of the driving circuit 102, when the control signal output end of the controller 101 outputs a high level, the first NPN transistor Q1 is turned on, so that the base of the second NPN transistor is at a high level, and the second NPN transistor Q2 is turned on, and the motor of the air pump 7 can be driven to operate, so as to drive the air pump 7 to operate.
In other embodiments, the first NPN transistor Q1 may be replaced by a PNP transistor or other switch, which can also achieve the effect of driving the operation of the air pump 7.
Referring to fig. 3, as an embodiment of the first temperature detection device and the second temperature detection device, each of the first temperature detection device and the second temperature detection device includes a temperature measurement circuit 103, and a temperature information output terminal of the temperature measurement circuit 103 is connected to a first signal input terminal/a second signal input terminal of the controller 101.
Referring to fig. 3, as an embodiment of the thermometric circuit 103, the thermometric circuit 103 includes a voltage amplifier U1, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, and a thermistor RX; wherein the content of the first and second substances,
one end of a fourth resistor R4, one end of a thermistor RX and a V + end of a voltage amplifier U1 are all used for being connected with the anode of a second power supply, the other end of the fourth resistor R4 is respectively connected with one end of a fifth resistor R5 and an IN + end of the voltage amplifier U1, and the other end of the thermistor RX is respectively connected with one end of a sixth resistor R6, one end of a seventh resistor R7 and an IN-end of the voltage amplifier U1;
the other end of the fifth resistor R5, the other end of the sixth resistor R6 and the V-end of the voltage amplifier U1 are all connected with the ground terminal, and the output terminal of the voltage amplifier U1 and the other end of the seventh resistor R7 are all connected with the temperature information output terminal of the temperature measuring circuit 103.
IN the above embodiment of the temperature measuring circuit 103, the resistance of the thermistor RX changes with the temperature, so that the voltage detected by the IN-terminal of the voltage amplifier U1 changes, the voltage detected by the IN + terminal of the voltage amplifier U1 does not change, the voltage amplifier U1 compares the voltages detected by the IN-terminal and the IN + terminal to obtain the temperature change information, and amplifies the temperature change information, thereby achieving the effect of detecting the temperature change condition.
Referring to fig. 1, as another embodiment of the first and second temperature detection means, the first and second temperature detection means each include a temperature sensor 8.
Referring to fig. 1, in order to prevent the steam extraction pipe 5 from being damaged due to excessive pressure to some extent, the service life of the steam extraction pipe 5 can be extended. A safety valve 51 is fixed on the steam extraction pipe 5 and at a position close to the steam exhaust pipe 2 by welding, bolting or the like. A one-way valve 52 is fixed on the steam extraction pipe 5 and the position close to the water container 6 by welding or bolt connection, and the outlet of the one-way valve 52 is close to the water container 6. The check valve 52 can prevent the water in the water container 6 from flowing back into the steam extraction pipe 5 to a certain extent, so that the steam extraction pipe 5 operates stably.
The implementation principle of a combination air conditioner steam waste heat utilization equipment of this application embodiment is: when the steam is discharged from the steam discharge pipe 2, the first temperature detection device detects the temperature of the room 9 in which the heat exchanger 3 is located, and the second temperature detection device detects the temperature of the steam discharge pipe 2. If the room 9 is at a low temperature, the air pump 7 is not operated, the steam enters the heat exchanger 3, the heat exchanger 3 absorbs the heat of the steam and uses the absorbed heat to heat the room 9, and after the heat is absorbed, the steam is liquefied into water and is discharged from the water discharge pipe 4. If the room 9 is at a high temperature, the air pump 7 is operated to draw steam into the steam extraction pipe 5 and finally into the water container 6 to heat the water in the water container 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a combination air conditioner steam waste heat utilization equipment, includes exhaust pipe (2) with air conditioner (1) intercommunication, its characterized in that: one end, far away from the air conditioner (1), of the steam exhaust pipe (2) is connected with a heat exchanger (3), the steam exhaust pipe (2) is communicated with a steam inlet of the heat exchanger (3), an outlet of the heat exchanger (3) is communicated with a drain pipe (4), and the heat exchanger (3) is arranged in a room (9).
2. The combined air conditioner steam waste heat utilization device of claim 1, characterized in that: the combined air conditioner (1) steam waste heat utilization device comprises a first temperature detection device arranged in a room (9), a steam extraction pipe (5) is communicated with the steam extraction pipe (2), one end, far away from the steam extraction pipe (2), of the steam extraction pipe (5) is communicated with a water container (6), an air extraction pump (7) is arranged on the steam extraction pipe (5), an inlet of the air extraction pump (7) is close to the steam extraction pipe (2), a second temperature detection device is arranged at a position, close to the air conditioner (1), of the steam extraction pipe, and the combined air conditioner (1) steam waste heat utilization device further comprises a controller (101) and a driving circuit (102); wherein the content of the first and second substances,
the temperature information output end of the first temperature detection device is connected with a first signal input end of the controller (101), and the temperature information output end of the second temperature detection device is connected with a second signal input end of the controller (101);
the anode of the motor of the air pump (7) is connected with the anode of a first power supply, and the cathode of the motor is connected with the voltage input end of the driving circuit (102);
and the control signal input end of the driving circuit (102) is connected with the signal output end of the controller (101).
3. The combined air conditioner steam waste heat utilization device of claim 2, characterized in that: the driving circuit (102) comprises a first resistor R1, a second resistor R2, a third resistor R3 and a first NPN triode Q1 and a second NPN triode Q2; wherein the content of the first and second substances,
one end of the first resistor R1 is used for being connected with the anode of the second power supply, and the other end of the first resistor R1 is respectively connected with the collector of the first NPN triode Q1 and the base of the second NPN triode Q2;
one end of the second resistor R2 is connected with the emitter of the first NPN triode Q1, and the other end of the second resistor R2 is connected with the grounding end;
one end of the third resistor R3 is connected with the emitter of the second NPN triode Q2, and the other end of the third resistor R3 is connected with the ground end;
the base of the first NPN triode Q1 is connected with the control signal input end of the driving circuit (102), and the collector of the second NPN triode Q2 is connected with the voltage input end of the driving circuit (102).
4. The combined air conditioner steam waste heat utilization device of claim 2, characterized in that: the first temperature detection device and the second temperature detection device both comprise temperature measurement circuits (103), and the temperature information output ends of the temperature measurement circuits (103) are connected with the first signal input end/the second signal input end of the controller (101).
5. The combined air conditioner steam waste heat utilization device of claim 4, characterized in that: the temperature measuring circuit (103) comprises a voltage amplifier U1, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7 and a thermistor RX; wherein the content of the first and second substances,
one end of the fourth resistor R4, one end of the thermistor RX, and the V + end of the voltage amplifier U1 are all used for being connected with the positive electrode of the second power supply, the other end of the fourth resistor R4 is respectively connected with one end of the fifth resistor R5 and the IN + end of the voltage amplifier U1, and the other end of the thermistor RX is respectively connected with one end of the sixth resistor R6, one end of the seventh resistor R7, and the IN-end of the voltage amplifier U1;
the other end of the fifth resistor R5, the other end of the sixth resistor R6 and the V-end of the voltage amplifier U1 are all connected with a grounding end, and the output end of the voltage amplifier U1 and the other end of the seventh resistor R7 are all connected with the temperature information output end of the temperature measuring circuit (103).
6. The combined air conditioner steam waste heat utilization device of claim 2, characterized in that: the first temperature detection device and the second temperature detection device both comprise temperature sensors (8).
7. The combined air conditioner steam waste heat utilization device of claim 2, characterized in that: and a safety valve (51) is arranged on the steam extraction pipe (5) and close to the steam exhaust pipe (2).
8. The combined air conditioner steam waste heat utilization device of claim 2, characterized in that: a one-way valve (52) is arranged on the steam extraction pipe (5) and close to the water container (6), and the outlet of the one-way valve (52) is close to the water container (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909919.6U CN213713348U (en) | 2020-12-05 | 2020-12-05 | Combined air conditioner steam waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909919.6U CN213713348U (en) | 2020-12-05 | 2020-12-05 | Combined air conditioner steam waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213713348U true CN213713348U (en) | 2021-07-16 |
Family
ID=76786648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022909919.6U Active CN213713348U (en) | 2020-12-05 | 2020-12-05 | Combined air conditioner steam waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213713348U (en) |
-
2020
- 2020-12-05 CN CN202022909919.6U patent/CN213713348U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205403243U (en) | Air can soil heat accumulation and cold -storage device | |
| CN105526709A (en) | Auxiliary heat pump device of water heater and control method | |
| CN110296461A (en) | A kind of solar energy heating system and its control method of heat pump auxiliary | |
| CN203190623U (en) | Water heater with double heat sources and warming function | |
| CN201779833U (en) | Air-source instantaneous water heater | |
| CN213713348U (en) | Combined air conditioner steam waste heat utilization device | |
| CN106123333A (en) | It is automatically adjusted the air-source water heater of heat exchange efficiency | |
| CN207081228U (en) | A kind of energy-saving hot water water system | |
| CN202195588U (en) | Factory waste heat recycling heating device | |
| CN108954824A (en) | A kind of energy-saving type air energy heat pump | |
| CN206540250U (en) | A kind of vertical type high-power air conditioner | |
| CN201779766U (en) | Air source heating system | |
| CN216307941U (en) | Heating assembly device for improving heating effect of side room for heating of heat pump | |
| CN213713436U (en) | Combined type air conditioner coil water anti-freezing control device | |
| CN208920602U (en) | A kind of energy-saving type air energy heat pump | |
| CN210861504U (en) | Air conditioning unit energy-saving system for cleaning factory building | |
| CN210251287U (en) | Benzoic acid waste gas dehydration retrieval and utilization device | |
| CN210486439U (en) | Adjustable pneumatic heat pump drying device | |
| CN102914000A (en) | Fresh air humidification air-conditioning unit | |
| CN206973909U (en) | A kind of air-source water heater control device | |
| CN208124669U (en) | Hot water fall connect steam double-effect type lithium bromide absorption type heat pump unit | |
| CN207094760U (en) | A kind of air conditioner cold water unit reclaiming system for condensation heat | |
| CN201772672U (en) | Low pressure steam condensed water residue heat-recovering device | |
| CN206247697U (en) | A kind of centrifugal air compressor waste heat recycling system | |
| CN205980435U (en) | Take air -source heat bump water heater of cooler air -conditioner function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |