CN203132234U - Defrosting device for closed heat source tower - Google Patents
Defrosting device for closed heat source tower Download PDFInfo
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- CN203132234U CN203132234U CN 201320139760 CN201320139760U CN203132234U CN 203132234 U CN203132234 U CN 203132234U CN 201320139760 CN201320139760 CN 201320139760 CN 201320139760 U CN201320139760 U CN 201320139760U CN 203132234 U CN203132234 U CN 203132234U
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Abstract
The utility model relates to a defrosting device for a closed heat source tower, which comprises an outer defrosting system for spraying a solution to the outer wall of a heat exchange pipe coil of the heat source tower and fins, as well as an inner defrosting system for injecting a high-temperature anti-freezing solution to the heat exchange pipe coil in the heat source tower, wherein the outer defrosting system comprises a solution pool and an outer defrosting heating mechanism used for heating a solution in the solution pool, a liquid outlet of the solution pool is connected to a spray nozzle arranged above the heat source tower through a pipeline, and a liquid storage tank at the bottom of the heat source tower is connected with a liquid inlet of the solution pool; and the inner defrosting system comprises a liquid storage tank for storing an anti-freezing solution, as well as an inner defrosting heating mechanism used for heating the anti-freezing solution in the liquid storage tank, one end of the liquid outlet of the solution storage tank is connected with one end of the heat exchange pipe coil through a pipeline, and the liquid inlet of the liquid storage tank is connected with the other end of the heat exchange pipe coil through a pipeline. According to the defrosting device for the closed heat source tower, energy storage and heating are integrated, renewable energy sources can be used sufficiently, and the heat energy cost is reduced; and further, internal heating and external spraying are simultaneously performed for defrosting, so that the defrosting process is finished rapidly.
Description
Technical field
The utility model relates to a kind of defrosting device for closed type heat source tower.
Background technology
Build a conservation-minded society, making up resource-effective recycling economy is long-range strategy and policy of Chinese national economy and social development.For air-conditioning system, the Cooling and Heat Source energy consumption accounts for 50% of air-conditioning system total energy consumption, therefore, seeks the key measure that cheap low-grade renewable Cooling and Heat Source is the air conditioner system energy saving consumption reduction.The thermal source tower can utilize working media and air to carry out the caloic exchange, in time gathers air cold or heat as required.Be used as cooling tower in summer, utilize water evaporative cooling to provide low-temperature receiver for the air-conditioning unit; As the thermal source tower, utilize low temperature anti-icing fluid to extract airborne heat in the winter time, thereby provide thermal source for the air-conditioning unit.The thermal source tower has two types in open type tower and enclosed tower, the open type tower is introduced existing history more than 5 years to the market, big and small more than 30 (cover) equipment has been installed, through operation in a few years, exposed serious problem: 1. equipment corrosion is serious, has a strong impact on service life of equipment; 2. the easy drift of anti-icing fluid, pollutant atmosphere; 3. anti-icing fluid does not add the processing discharging; Polluted source; 4. antifreeze melt cinder stain is stopped up the space on the heat exchanger tube in the evaporimeter, has increased thermal resistance, influences heat transfer efficiency; 5. anti-icing fluid concentration must be adjusted according to the variation of environment temperature in good time, and the freezing point unstable properties, must carefully observe during operation, and the final-period management of equipment is quite loaded down with trivial details; 6. environment temperature is lower than 8 ℃ and just must adds villaumite, and is long with the salt time, the operating cost height.For addressing the above problem, the enclosed tower arises at the historic moment, the enclosed tower is with the little different transfer of heat of the built-in circulation solution of enclosed construction, low-temperature heat energy in the instant absorption air, environment there is not any pollution, thermal source tower heat exchanger tube outer wall and fin can frostings below 0 ℃ the time for ambient air temperature, hang frost after operation a period of time, must implement defrosting.The defrosting scheme of seeing at present is frost prevention and defrosting facilities such as configuration negative temperature condensate water concentrating and separating device and solution pool, to realize the frostless operation under the air state at negative temperature of heat pump environment.Such scheme yet there are no material object, does not also see the device of actual motion.According to the terminal environment instructions for use of central air-conditioning, it is that people are difficult to bear that instantaneous temperature reduction surpasses 5 ℃, and this also requires, and source pump is out of service treats that the defrost time can not surpass 10 minutes at every turn, is preferably in 5 minutes and finishes defrost and move with standby with interior.For this reason, the defrosting device of closed type heat source tower must be finished defrost process fast up hill and dale, and source pump can not be shut down and necessary standby operation, could satisfy and use needs.
Summary of the invention
The purpose of this utility model is, at the deficiencies in the prior art, provides a kind of defrosting device for closed type heat source tower, by interior heating and the defrost simultaneously of outer spray, finishes the defrosting process fast.
The technical solution of the utility model is that a kind of defrosting device for closed type heat source tower comprises the outer defrosting system of heat source tower heat exchange coil outer wall and fin sprayed solution and the interior defrosting system of the interior injection of the heat exchange coil in heat source tower high temperature anti-icing fluid; Described outer defrosting system comprises solution pool, is used for the outer defrosting heating arrangements of solution in the heated solution pond, and the liquid outlet of described solution pool is connected to the shower nozzle that is located at above the thermal source tower by pipeline, and the thermal source tower bottom holds being connected of inlet of liquid case and solution pool; Defrosting system comprises the pot for storing up liquid that stores anti-icing fluid, is used for the interior defrosting heating arrangements of the interior anti-icing fluid of heating pot for storing up liquid in described, and the liquid outlet of described pot for storing up liquid is connected by pipeline with an end of heat exchange coil and the inlet of pot for storing up liquid is connected by pipeline with the other end of heat exchange coil.
Described thermal source tower bottom holds and is provided with the thermal source tower in the liquid case and holds the auxilliary heater of liquid case electricity, and this thermal source tower holds the auxilliary heater of liquid case electricity and also can be installed in the solution pool.
The connecting line of solution pool liquid outlet and shower nozzle is provided with the auxilliary heater of shower electricity.
The auxilliary heater of defrosting system electricity in the connecting line of described pot for storing up liquid liquid outlet and heat exchange coil is provided with, auxilliary heater of defrosting system electricity also can be installed in the pot for storing up liquid in this.
Described solution pool bottom is provided with the solution pool sewage draining exit by the control of solution pool blowoff valve.
Described pot for storing up liquid bottom is provided with the pot for storing up liquid sewage draining exit by the control of pot for storing up liquid blowoff valve.
Described outer defrosting heating arrangements is plate type heat exchanger, plate type heat exchanger comprises the outer defrosting system solution heat cycles water pipe that outer defrosting system heat source water circulating water pipe and two ends are connected with solution pool respectively, and described outer defrosting system heat source water circulating water pipe carries out heat exchange with outer defrosting system solution heat cycles water pipe in plate type heat exchanger.
The defrosting heating arrangements is interior defrosting system plate type heat exchanger in described, should comprise the interior defrosting system solution heat cycles pipe that interior defrosting system thermal source circulation pipe and two ends are connected with pot for storing up liquid respectively by interior defrosting system plate type heat exchanger, described interior defrosting system thermal source circulation pipe and interior defrosting system solution heat cycles pipe carry out heat exchange in interior defrosting system plate type heat exchanger.Do not having under the extra thermal source situations such as source, ground, water source, source of sewage, solar energy, the solution in available heat pump compressor waste heat or the condenser chilled water heat heating open type defrosting system solution pool yet.
Outer defrosting system is by heat source tower heat exchange coil outer wall and fin sprayed solution, and the frosting that will be bonded on coil pipe outer wall and the fin melts fast, defrost solution is deposited in the solution pool, solution temperature in the pond is higher than 15 ℃ and gets final product, and can absorb solution in the regenerative resource heat heating baths such as source, ground, water source, solar energy by plate type heat exchanger.Start water circulating pump during spray and open valve, just can finish the spray process.In the spray process, it is icing to hold the liquid case as the thermal source tower bottom, then opens and holds the auxilliary heater of electricity in the liquid case, just can rapidly ice cube be melted, the solution after the thawing can flow back in the solution pool automatically.Do not having under the external heat source situations such as ground source heat, source of sewage heat, water source heat, solar heat, can utilize heated solutions such as heat pump compressor waste heat or condenser chilled water heat energy and the auxilliary heater of electricity, in implementing defrost process, stop the running of thermal source tower blower fan, the heat pump main frame is in unloading and holding state.
Interior defrosting system is to be higher than 40 ℃ anti-icing fluid (with anti-icing fluid in the evaporimeter) by injecting in the heat source tower heat exchange coil, and Fast Heating coil pipe and fin fall the frost melts that is bonded on coil pipe outer wall and the fin.Anti-freezing solution leaves in the pressure-bearing type NaOH solution tank NaOH, when environment temperature reaches or be lower than 3 ℃, starting the plate type heat exchanger heat sink is heated to anti-icing fluid in the NaOH solution tank NaOH more than 40 ℃, in case environment temperature reaches or when being lower than 0 ℃, certain interval of time is injected into anti-icing fluid in the thermal source tower tray pipe by regulating triple valve and starting water circulating pump, when being injected into anti-icing fluid in the coil pipe, start the auxilliary heating of electricity, to guarantee the temperature of anti-icing fluid, in implementing defrost process, stop the running of thermal source tower blower fan, the heat pump main frame is in unloading and holding state.
Electric auxilliary heating system comprises above-mentioned holding, and liquid case electricity is assisted heater, outer defrosting system electricity is assisted heater and the auxilliary heater of interior defrosting system electricity, when environment temperature is lower than-3 ℃ and require the scheme that designs under the quick defrost situation, this scheme can guarantee that heat pump under any circumstance can normally stably move.The enforcement of this system be on spray piping in the solution pool port of export or the solution pool, on the anti-icing fluid pipeline in the pot for storing up liquid port of export or the pot for storing up liquid, position such as thermal source tower cistern installs the auxilliary heater of electricity, can realize in extremely rapid succession heating mixture of ice and water in spray solution, anti-icing fluid and the thermal source tower bottom storage tank etc.Heat time heating time, start-up time and shut-in time are finished by the auxilliary heating control module of electricity in the switch board.
Defrosting device described in the utility model also comprises control system, and control system is made up of signals collecting such as switch board, temperature, pressure, liquid level, time and detection module, outer defrosting control module, interior defrosting control module, the auxilliary heating control module of electricity, heat pump host computer control module etc.By gather with testing environment temperature, pot for storing up liquid in signal such as solution temperature and liquid level in anti-icing fluid temperature and liquid level, the solution pool, contrast setting values such as design temperature and liquid level again and control the opening program of parts such as each system's water pump, valve, the mechanical, electrical auxilliary heater of wind, finish each system coordination operation and operation.
The utility model China and foreign countries defrosting system course of work:
When environment temperature reaches design temperature (about 3 ℃), close solution pool blowoff valve 5, open solution pool feed liquor valve 6, to solution pool 4 interior water filling or anti-freezing solutions, when water level reaches setting height, close solution pool feed liquor valve 6, start outer defrosting system heat source water water circulating pump 1 and outer defrosting system solution heat cycles water pump 3, water in the solution pool or anti-icing fluid are heated to more than the setting lower limit low temperature (about 15 ℃), when the pool inner water temperature reaches capping temperature (about 21 ℃), stop the operation of outer defrosting system heat source water water circulating pump 1 and outer defrosting system solution heat cycles water pump 3.When environment temperature reaches defrosting temperature (0 ℃) and continues the defrosting blanking time (10～16 hours) of setting, start outer defrosting system heat source water water circulating pump 1, outer defrosting system solution heat cycles water pump 3, spray water circulating pump 11, close thermal source tower 14 blower fans, unloading condenser 39 loads, make the heat pump main frame be in holding state, open the thermal source tower and hold the auxilliary heater 15 of liquid case electricity, open shower thermal source tower branch successively to magnetic valve 12, so just, can be docile and obedient order and give each thermal source tower spray defrosting, in the defrosting process, be lower than 15 ℃ as water temperature, then open the auxilliary heater 10 of shower electricity, guarantee the spray solution temperature more than 15 ℃, give each thermal source tower defrost according to the defrosting time (about 3 minutes) that each thermal source tower is set.Setting-up time when time is up, stop to spray water circulating pump 11, close the thermal source tower and hold the auxilliary heater 15 of liquid case electricity and the auxilliary heater 10 of shower electricity, but keep the operation of outer defrosting system heat source water water circulating pump 1 and outer defrosting system solution heat cycles water pump 3, fluid temperature is heated to 21 ℃ again in the pond, just stops the operation of the outer defrosting system heat source water water circulating pump 1 of water pump and outer defrosting system solution heat cycles water pump 3.Along with the carrying out of defrosting, the liquid in the solution pool can get more and more, and when meeting or exceeding the setting liquid level, opens solution pool blowoff valve 5, the excessive solution of draining.
The interior defrosting system course of work:
When environment temperature reaches design temperature (about 3 ℃), close pot for storing up liquid blowoff valve 25, open pot for storing up liquid liquid inlet electromagnetic valve 30, inject anti-icing fluid to pot for storing up liquid 26, when the anti-icing fluid liquid level reaches setting height, close pot for storing up liquid liquid inlet electromagnetic valve 30, defrosting system anti-icing fluid heat cycles pump 33 in starting, open chilled water bypass magnetic valve 36, with the anti-icing fluid design temperature in the pot for storing up liquid (about 45 ℃), close chilled water bypass magnetic valve 36, the operation of defrosting system anti-icing fluid heat cycles pump 33 in stopping.When environment temperature reaches defrosting temperature (0 ℃) and continues the defrosting blanking time (10～16 hours) of setting, defrosting system defrost circulating pump 23 and interior defrosting system anti-icing fluid heat cycles pump 33 in starting, defrosting system anti-icing fluid feed tube magnetic valve 17 in opening, triple valve 19 is reached the defrosting shelves, stop evaporator cools water water outlet water pump 21 and evaporator cools water water inlet water pump 22, at this moment, high temperature anti-icing fluid is just successively by each thermal source tower tray pipe, and with coil pipe and fin heating, heat thawing is rapidly met in the frosting that sticks on coil pipe outer wall and the fin, a piece drops in the thermal source tower liquid storage tank, after running into outer defrosting liquid again, be melted into water and flow in the outer defrosting system solution pool.When environment temperature is lower than-3 ℃ or anti-icing fluid temperature and is lower than 40 ℃, the auxilliary heater 24 of defrosting system electricity in starting, with heating and anti-freezing liquid, after all thermal source cone pulley stream melted once frost, defrosting system anti-icing fluid feed tube magnetic valve 17 in closing, the auxilliary heater 24 of defrosting system defrost circulating pump 23 and interior defrosting system electricity in stopping, and triple valve 19 is adjusted to 20 grades in evaporimeter, open evaporator cools water water outlet water pump 21 and evaporator cools water water inlet water pump 22, defrosting system anti-icing fluid heat cycles pump 33 in starting simultaneously, open chilled water bypass magnetic valve 36, with anti-icing fluid in the heating pot for storing up liquid 26.When anti-icing fluid is heated to 45 ℃, there is part can become gas, and has pressure, when pressure reaches setting value, relief valve 28 meeting releasing pressure automaticallies, anti-icing fluid is in the air-tight state current downflow, loss is little, when needing to add, opens pot for storing up liquid liquid inlet electromagnetic valve 30 and gets final product.After anti-icing fluid reached design temperature (about 45 ℃), chilled water bypass magnetic valve 36 was closed in 33 operations of defrosting system anti-icing fluid heat cycles pump in stopping, and at this moment, what store in the pot for storing up liquid is high temperature anti-icing fluid, can be used for the defrosting of next process.
A kind of defrosting device for closed type heat source tower described in the utility model harvests and can, calorify one, can take full advantage of regenerative resource, reduces the heat energy cost, by interior heating and the defrost simultaneously of outer spray, finishes the defrosting process fast.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
In the drawings:
1, outer defrosting system heat source water water circulating pump; 2, outer defrosting system plate type heat exchanger; 3, outer defrosting system solution heat cycles water pump; 4, solution pool; 5, solution pool blowoff valve; 6, solution pool feed liquor valve; 7, solution pool solution temperature sensor; 8, solution pool liquid level sensor; 9, solution pool liquid level display; 10, the auxilliary heater of shower electricity; 11, spray water circulating pump; 12, shower thermal source tower divides to magnetic valve; 13, the reverse shutoff valve of liquid back pipe; 14, thermal source tower; 15, the thermal source tower holds the auxilliary heater of liquid case electricity; 16, thermal source tower liquid storage tank blowoff valve; 17, interior defrosting system anti-icing fluid feed tube magnetic valve; 18, the reverse shutoff valve of interior defrosting system anti-icing fluid liquid back pipe; 19, triple valve; 20, evaporimeter; 21, evaporator cools water water outlet water pump; 22, evaporator cools water water inlet water pump; 23, interior defrosting system defrost circulating pump; 24, the auxilliary heater of interior defrosting system electricity; 25, pot for storing up liquid blowoff valve; 26, pot for storing up liquid; 27, pressure sensor; 28, relief valve; 29, anti-icing fluid temperature sensor in the pot for storing up liquid; 30, pot for storing up liquid liquid inlet electromagnetic valve; 31, Pressure gauge; 32, pot for storing up liquid liquid level sensor and liquid level gauge; 33, interior defrosting system anti-icing fluid heat cycles pump; 34, interior defrosting system plate type heat exchanger; 35, the reverse shutoff valve of enclosed defrosting system chilled water; 36, chilled water bypass magnetic valve; 37, chilled water water inlet water pump; 38, chilled water water outlet water pump; 39, condenser; 40, environment temperature sensor; 41, shower nozzle; 42, hold the liquid case.
The specific embodiment
As shown in Figure 1, a kind of defrosting device for closed type heat source tower comprises the outer defrosting system of heat source tower heat exchange coil outer wall and fin sprayed solution and the interior defrosting system of the interior injection of the heat exchange coil in the heat source tower 14 high temperature anti-icing fluid; Described outer defrosting system comprises solution pool 4, is used for the outer defrosting heating arrangements 2 of solution in the heated solution pond 4, the liquid outlet of described solution pool 4 is connected to the shower nozzle 41 that is located at thermal source tower top by pipeline, and the thermal source tower bottom holds being connected of inlet of liquid case 42 and solution pool 4; Defrosting system comprises the pot for storing up liquid 26 that stores anti-icing fluid, is used for the interior defrosting heating arrangements 34 of heating pot for storing up liquid 26 interior anti-icing fluid in described, and the liquid outlet of described pot for storing up liquid 26 is connected by pipeline with an end of heat exchange coil and the inlet of pot for storing up liquid 26 is connected by pipeline with the other end of heat exchange coil.
The thermal source tower bottom holds and is provided with the thermal source tower in the liquid case 42 and holds the auxilliary heater 15 of liquid case electricity, the connecting line of solution pool 4 liquid outlets and shower nozzle 41 is provided with the auxilliary heater 10 of shower electricity, the auxilliary heater 24 of defrosting system electricity in the connecting line of pot for storing up liquid liquid outlet and heat exchange coil is provided with.
Solution pool 4 bottoms are provided with the solution pool sewage draining exit by 5 controls of solution pool blowoff valve.
Pot for storing up liquid 26 bottoms are provided with the pot for storing up liquid sewage draining exit by 25 controls of pot for storing up liquid blowoff valve.
Outer defrosting heating arrangements 2 is outer defrosting system plate type heat exchanger, outer defrosting system plate type heat exchanger comprises the outer defrosting system solution heat cycles water pipe that outer defrosting system heat source water circulating water pipe and two ends are connected with solution pool 4 respectively, and described outer defrosting system heat source water circulating water pipe carries out heat exchange in the defrosting system formula heat exchanger outside with outer defrosting system solution heat cycles water pipe.
Interior defrosting heating arrangements 34 is interior defrosting system plate type heat exchanger, should comprise the interior defrosting system solution heat cycles pipe that interior defrosting system thermal source circulation pipe and two ends are connected with pot for storing up liquid 26 respectively by interior defrosting system plate type heat exchanger, described interior defrosting system thermal source circulation pipe and interior defrosting system solution heat cycles pipe carry out heat exchange in interior defrosting system plate type heat exchanger.
Claims (8)
1. a defrosting device that is used for closed type heat source tower is characterized in that, comprises outer defrosting system and the interior interior defrosting system that injects high temperature anti-icing fluid of the heat exchange coil in the heat source tower (14) of heat source tower heat exchange coil outer wall and fin sprayed solution; Described outer defrosting system comprises solution pool (4), is used for the outer defrosting heating arrangements (2) of the interior solution in heated solution pond (4), the liquid outlet of described solution pool (4) is connected to the shower nozzle (41) that is located at thermal source tower top by pipeline, and the thermal source tower bottom holds being connected of inlet of liquid case (42) and solution pool (4); Defrosting system comprises the pot for storing up liquid (26) that stores anti-icing fluid, is used for heating the interior defrosting heating arrangements (34) of the interior anti-icing fluid of pot for storing up liquid (26) in described, and the liquid outlet of described pot for storing up liquid (26) is connected by pipeline with an end of heat exchange coil and the inlet of pot for storing up liquid (26) is connected by pipeline with the other end of heat exchange coil.
2. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that described thermal source tower bottom holds and is provided with the thermal source tower in the liquid case (42) and holds the auxilliary heater (15) of liquid case electricity.
3. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that the connecting line of solution pool (4) liquid outlet and shower nozzle (41) is provided with the auxilliary heater (10) of shower electricity.
4. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that the auxilliary heater (24) of defrosting system electricity in the connecting line of described pot for storing up liquid liquid outlet and heat exchange coil is provided with.
5. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that described solution pool (4) bottom is provided with the solution pool sewage draining exit by solution pool blowoff valve (5) control.
6. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that described pot for storing up liquid (26) bottom is provided with the pot for storing up liquid sewage draining exit by pot for storing up liquid blowoff valve (25) control.
7. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that, described outer defrosting heating arrangements (2) is outer defrosting system plate type heat exchanger, outer defrosting system plate type heat exchanger comprises the outer defrosting system solution heat cycles water pipe that outer defrosting system heat source water circulating water pipe and two ends are connected with solution pool (4) respectively, and described outer defrosting system heat source water circulating water pipe carries out heat exchange in the defrosting system formula heat exchanger outside with outer defrosting system solution heat cycles water pipe.
8. according to the described defrosting device for closed type heat source tower of claim 1, it is characterized in that, defrosting heating arrangements (34) is interior defrosting system plate type heat exchanger in described, should comprise the interior defrosting system solution heat cycles pipe that interior defrosting system thermal source circulation pipe and two ends are connected with pot for storing up liquid (26) respectively by interior defrosting system plate type heat exchanger, described interior defrosting system thermal source circulation pipe and interior defrosting system solution heat cycles pipe carry out heat exchange in interior defrosting system plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139760 CN203132234U (en) | 2013-03-26 | 2013-03-26 | Defrosting device for closed heat source tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139760 CN203132234U (en) | 2013-03-26 | 2013-03-26 | Defrosting device for closed heat source tower |
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| CN203132234U true CN203132234U (en) | 2013-08-14 |
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| CN 201320139760 Withdrawn - After Issue CN203132234U (en) | 2013-03-26 | 2013-03-26 | Defrosting device for closed heat source tower |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123193A (en) * | 2013-03-26 | 2013-05-29 | 长沙鹞翔科技有限公司 | Defrosting device for closed type heat source tower |
| CN103807946A (en) * | 2014-01-26 | 2014-05-21 | 浙江理工大学 | Distillation regeneration device of heat source tower antifreeze solution |
| CN104154691A (en) * | 2014-04-26 | 2014-11-19 | 江西省沃普思电气股份有限公司 | Multifunctional auxiliary system of air-cooled cold and hot water unit |
| CN106839545A (en) * | 2017-02-27 | 2017-06-13 | 山东美琳达再生能源开发有限公司 | A kind of air source heat pump defrosting system and method |
| CN107560032A (en) * | 2017-08-16 | 2018-01-09 | 刘秋克 | Overlapping open and close type heat source tower heat pump energy source station |
| WO2021082330A1 (en) * | 2019-10-30 | 2021-05-06 | 青岛海尔空调电子有限公司 | Heat-source tower heat exchange system and defrosting control method therefor |
-
2013
- 2013-03-26 CN CN 201320139760 patent/CN203132234U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123193A (en) * | 2013-03-26 | 2013-05-29 | 长沙鹞翔科技有限公司 | Defrosting device for closed type heat source tower |
| CN103123193B (en) * | 2013-03-26 | 2014-10-29 | 长沙鹞翔科技有限公司 | Defrosting device for closed type heat source tower |
| CN103807946A (en) * | 2014-01-26 | 2014-05-21 | 浙江理工大学 | Distillation regeneration device of heat source tower antifreeze solution |
| CN103807946B (en) * | 2014-01-26 | 2016-06-15 | 浙江理工大学 | The rectification regenerating unit of heat source tower anti-freezing solution |
| CN104154691A (en) * | 2014-04-26 | 2014-11-19 | 江西省沃普思电气股份有限公司 | Multifunctional auxiliary system of air-cooled cold and hot water unit |
| CN106839545A (en) * | 2017-02-27 | 2017-06-13 | 山东美琳达再生能源开发有限公司 | A kind of air source heat pump defrosting system and method |
| CN107560032A (en) * | 2017-08-16 | 2018-01-09 | 刘秋克 | Overlapping open and close type heat source tower heat pump energy source station |
| WO2021082330A1 (en) * | 2019-10-30 | 2021-05-06 | 青岛海尔空调电子有限公司 | Heat-source tower heat exchange system and defrosting control method therefor |
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Owner name: CHANGSHA DONGYOU ENGINEERING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: CHANGSHA YAOXIANG TECHNOLOGY CO., LTD. Effective date: 20140428 |
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