CN104807257A - Pre-cooling device for descaling channel type evaporative condenser, and pre-cooling method thereof - Google Patents
Pre-cooling device for descaling channel type evaporative condenser, and pre-cooling method thereof Download PDFInfo
- Publication number
- CN104807257A CN104807257A CN201510215751.XA CN201510215751A CN104807257A CN 104807257 A CN104807257 A CN 104807257A CN 201510215751 A CN201510215751 A CN 201510215751A CN 104807257 A CN104807257 A CN 104807257A
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- Prior art keywords
- evaporative condenser
- heat exchanger
- heat exchange
- refrigerant
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- 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.)
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- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
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- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/041—Details of condensers of evaporative condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a pre-cooling device for descaling a channel type evaporative condenser, and a pre-cooling method of the pre-cooling device. According to the pre-cooling device for descaling the channel type evaporative condenser, the temperature is reduced before refrigerant enters the evaporative condenser by utilizing high temperature and high pressure refrigerant to carry out heat exchange in a heat exchange tube of the pre-cooling device, so that the temperature of the surface of the evaporative condenser is prevented from being overhigh, and the serious scaling phenomenon caused by spray water which is directly in contact with the high-temperature surface can be avoided; after the device and the method are adopted, the serious scaling phenomenon of the evaporative condenser caused under the action of the spray water can be avoided, so that the evaporative condenser is good in heat exchange effect, and the long-term policy effective operation of the evaporative condenser of an air conditioner can be guaranteed; the pre-cooling device is low in cost, simple and convenient to install, energy-saving, safe and reliable, and is capable of meeting the use requirement.
Description
Technical field
The present invention relates to a kind of pre-cooler, in particular a kind of channel-type evaporative condenser scale removal pre-cooler and forecooling method thereof.
Background technology
Existing evaporative condenser unit is direct by shower water when heat exchange and evaporative condenser surface contact, because evaporative condenser surface temperature is higher, be easy to after Water spray to condenser surface produce one deck incrustation scale, if removed not in time, can As time goes on, fouling is more long-pending thicker, thus reduces the exchange capability of heat of evaporative condenser, air-conditioning equipment can be caused time serious to occur high pressure stop jumping, operation of can not starting shooting.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of channel-type evaporative condenser scale removal pre-cooler and forecooling method thereof, when being intended to solve existing evaporative condenser and shower water heat exchange, surface easily produces incrustation scale, reduce evaporative condenser exchange capability of heat, even cause air-conditioning equipment to occur the problem of high pressure stop jumping.
Technical scheme of the present invention is as follows:
A kind of channel-type evaporative condenser scale removal pre-cooler, wherein, comprise high-temperature gas refrigerant precooling to the heat exchanger of design temperature gaseous coolant, heat exchanger tube is provided with in heat exchanger, described heat exchanger along the direction of main air flow be arranged on evaporative condenser heat exchange after the air outlet of cold wind, described heat exchanger is connected by pipeline with evaporative condenser; High-temperature gas refrigerant is introduced into after heat exchanger carries out heat exchange, become cryogenic gaseous refrigerant to discharge, cryogenic gaseous refrigerant enters evaporative condenser and shower water heat exchange liquefy refrigerant again, then discharge, the air on evaporative condenser surface is lowered the temperature in shower water spray process, heat exchanger with spray the cold wind after heat exchange through evaporative condenser and carries out heat exchange, cool refrigerant.
Described channel-type evaporative condenser scale removal pre-cooler, wherein, the direction that described heat exchanger is arranged and primary air direction form the angle of 0 ° ~ 45 °.
Described channel-type evaporative condenser scale removal pre-cooler, wherein, described heat exchanger adopts copper pipe to wear finned heat exchanger or case type heat exchanger or band-tube type heat exchanger or coil heat exchanger or plate type heat exchanger.
Described channel-type evaporative condenser scale removal pre-cooler, wherein, described heat exchanger tube adopts copper pipe or aluminum pipe or stainless steel tube or carbon steel pipe or aluminium-alloy pipe.
A forecooling method for channel-type evaporative condenser scale removal pre-cooler as described in above-mentioned any one, wherein, specifically comprises the following steps:
Steps A 00: high-temperature gas refrigerant enters heat exchanger and carries out heat exchange with the cold wind after the heat exchange of evaporative condenser shower water, becomes cryogenic gaseous refrigerant and discharges;
Step B00: cryogenic gaseous refrigerant is discharged and entered liquefy refrigerant after evaporative condenser and shower water heat exchange, discharge evaporative condenser.
Beneficial effect of the present invention: the present invention is by providing a kind of channel-type evaporative condenser scale removal pre-cooler and forecooling method thereof, carry out in the heat exchanger tube of pre-cooler by utilizing the refrigerant of HTHP before heat exchange makes refrigerant enter evaporative condenser, temperature being lowered, thus do not allow evaporative condenser surface temperature too high, avoid shower water directly contact high temperature surface and produce serious scale formation; The present invention can avoid evaporative condenser to produce serious scale formation when shower water effect, thus makes the heat transfer effect of evaporative condenser good, ensures that the longtime policy of air-conditioning evaporative condenser equipment is effectively run; This pre-cooler with low cost, simple installation, energy-conservation, safe and reliable, meet instructions for use.
Accompanying drawing explanation
Fig. 1 is the structural representation of channel-type evaporative condenser scale removal pre-cooler in the present invention.
Fig. 2 is the flow chart of steps of channel-type evaporative condenser scale removal pre-cooler forecooling method in the present invention.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
As shown in Figure 1, this channel-type evaporative condenser scale removal pre-cooler comprises high-temperature gas refrigerant precooling to the heat exchanger 100 of design temperature gaseous coolant, heat exchanger tube is provided with in heat exchanger 100, described heat exchanger 100 along the direction of main air flow be arranged on evaporative condenser 200 heat exchange after the air outlet of cold wind, described heat exchanger 100 is connected by pipeline with evaporative condenser 200: high-temperature gas refrigerant is introduced into after heat exchanger 100 carries out heat exchange, become cryogenic gaseous refrigerant to discharge, cryogenic gaseous refrigerant enters evaporative condenser 200 and shower water heat exchange liquefy refrigerant again, then discharge, the air on evaporative condenser 200 surface also can be lowered the temperature in shower water spray process, heat exchanger 100 be arranged on evaporative condenser 200 heat exchange after the air outlet of cold wind, the cold wind made full use of after evaporative condenser 200 heat exchange carries out quickening precooling.
Preferably, described heat exchanger 100 adopts copper pipe to wear finned heat exchanger or case type heat exchanger or band-tube type heat exchanger or coil heat exchanger or plate type heat exchanger.Preferably, described heat exchanger tube adopts copper pipe or aluminum pipe or stainless steel tube or carbon steel pipe or aluminium-alloy pipe.
Preferably, in order to reduce heat exchanger 100 and exhaust resistance during cold wind heat exchange, the direction that described heat exchanger 100 is arranged and primary air direction form the angle of 0 ° ~ 45 °.
As shown in Figure 2, a kind of forecooling method of channel-type evaporative condenser scale removal pre-cooler as described above, specifically comprises the following steps:
Steps A 00: high-temperature gas refrigerant enters heat exchanger 100 and carries out heat exchange with the cold wind after the heat exchange of evaporative condenser 200 shower water, becomes cryogenic gaseous refrigerant and discharges;
Step B00: cryogenic gaseous refrigerant is discharged and entered liquefy refrigerant after evaporative condenser 200 and shower water heat exchange, discharges evaporative condenser 200.
This channel-type evaporative condenser scale removal pre-cooler lowers temperature by utilizing the refrigerant of HTHP to carry out in the heat exchanger tube of pre-cooler before heat exchange makes refrigerant enter evaporative condenser, thus do not allow evaporative condenser surface temperature too high, avoid shower water directly contact high temperature surface and produce serious scale formation; The present invention can avoid evaporative condenser to produce serious scale formation when shower water effect, thus makes the heat transfer effect of evaporative condenser good, ensures that the longtime policy of air-conditioning evaporative condenser equipment is effectively run; This pre-cooler with low cost, simple installation, energy-conservation, safe and reliable, meet instructions for use.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (5)
1. a channel-type evaporative condenser scale removal pre-cooler, it is characterized in that, comprise high-temperature gas refrigerant precooling to the heat exchanger of design temperature gaseous coolant, heat exchanger tube is provided with in heat exchanger, described heat exchanger along the direction of main air flow be arranged on evaporative condenser heat exchange after the air outlet of cold wind, described heat exchanger is connected by pipeline with evaporative condenser; High-temperature gas refrigerant is introduced into after heat exchanger carries out heat exchange, become cryogenic gaseous refrigerant to discharge, cryogenic gaseous refrigerant enters evaporative condenser and shower water heat exchange liquefy refrigerant again, then discharge, the air on evaporative condenser surface is lowered the temperature in shower water spray process, heat exchanger with spray the cold wind after heat exchange through evaporative condenser and carries out heat exchange, cool refrigerant.
2. channel-type evaporative condenser scale removal pre-cooler according to claim 1, is characterized in that, the direction that described heat exchanger is arranged and primary air direction form the angle of 0 ° ~ 45 °.
3. channel-type evaporative condenser scale removal pre-cooler according to claim 2, is characterized in that, described heat exchanger adopts copper pipe to wear finned heat exchanger or case type heat exchanger or band-tube type heat exchanger or coil heat exchanger or plate type heat exchanger.
4. channel-type evaporative condenser scale removal pre-cooler according to claim 3, is characterized in that, described heat exchanger tube adopts copper pipe or aluminum pipe or stainless steel tube or carbon steel pipe or aluminium-alloy pipe.
5. a forecooling method for the channel-type evaporative condenser scale removal pre-cooler as described in claim 1-4 any one, is characterized in that, specifically comprise the following steps:
Steps A 00: high-temperature gas refrigerant enters heat exchanger and carries out heat exchange with the cold wind after the heat exchange of evaporative condenser shower water, becomes cryogenic gaseous refrigerant and discharges;
Step B00: cryogenic gaseous refrigerant is discharged and entered liquefy refrigerant after evaporative condenser and shower water heat exchange, discharge evaporative condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215751.XA CN104807257A (en) | 2015-04-30 | 2015-04-30 | Pre-cooling device for descaling channel type evaporative condenser, and pre-cooling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215751.XA CN104807257A (en) | 2015-04-30 | 2015-04-30 | Pre-cooling device for descaling channel type evaporative condenser, and pre-cooling method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN104807257A true CN104807257A (en) | 2015-07-29 |
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| CN201510215751.XA Pending CN104807257A (en) | 2015-04-30 | 2015-04-30 | Pre-cooling device for descaling channel type evaporative condenser, and pre-cooling method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798782A (en) * | 2019-03-08 | 2019-05-24 | 珠海格力电器股份有限公司 | Evaporation cooling unit and heat exchange structure and condenser used by same |
| CN110608492A (en) * | 2019-09-16 | 2019-12-24 | 珠海格力电器股份有限公司 | Precooling type evaporative condensation air-conditioning system and control method thereof |
| CN113137728A (en) * | 2021-04-15 | 2021-07-20 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
| CN115111827A (en) * | 2022-08-29 | 2022-09-27 | 烟台冰轮换热技术有限公司 | Composite evaporative air cooler |
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| JP3051420B2 (en) * | 1990-03-02 | 2000-06-12 | 株式会社日立製作所 | Air conditioner and method of manufacturing indoor heat exchanger used for the device |
| CN2441093Y (en) * | 2000-09-04 | 2001-08-01 | 江苏新科电子集团空调器制造有限公司 | Heat exchanger for air conditioner |
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| JP3051420B2 (en) * | 1990-03-02 | 2000-06-12 | 株式会社日立製作所 | Air conditioner and method of manufacturing indoor heat exchanger used for the device |
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| CN2446442Y (en) * | 2000-08-21 | 2001-09-05 | 江苏春兰电器有限公司 | Efficient floor indoor machine of air conditimer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798782A (en) * | 2019-03-08 | 2019-05-24 | 珠海格力电器股份有限公司 | Evaporation cooling unit and heat exchange structure and condenser used by same |
| CN110608492A (en) * | 2019-09-16 | 2019-12-24 | 珠海格力电器股份有限公司 | Precooling type evaporative condensation air-conditioning system and control method thereof |
| CN110608492B (en) * | 2019-09-16 | 2023-12-15 | 珠海格力电器股份有限公司 | Precooling evaporative condensing air conditioning system and control method thereof |
| CN113137728A (en) * | 2021-04-15 | 2021-07-20 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
| CN115111827A (en) * | 2022-08-29 | 2022-09-27 | 烟台冰轮换热技术有限公司 | Composite evaporative air cooler |
| CN115111827B (en) * | 2022-08-29 | 2022-11-15 | 烟台冰轮换热技术有限公司 | Compound evaporation formula air cooler |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Applicant after: GUANGDONG SHENLING AIR-CONDITIONING EQUIPMENT CO., LTD. Address before: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Applicant before: Guangdong Shenling Air Conditioning Equipment Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |