CN205300062U - Towards white system - Google Patents
Towards white system Download PDFInfo
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- CN205300062U CN205300062U CN201520881424.3U CN201520881424U CN205300062U CN 205300062 U CN205300062 U CN 205300062U CN 201520881424 U CN201520881424 U CN 201520881424U CN 205300062 U CN205300062 U CN 205300062U
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- defrosting
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- condenser
- cooling
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Abstract
The utility model belongs to the technical field of the refrigeration plant technique of defrosting and specifically relates to a towards white system is related to. Include: heat transfer fin, evaporimeter, condenser and cooling tower, the heat transfer fin is connected through circulating line and evaporimeter respectively with the condenser, and heat transfer fin, evaporimeter, condenser constitute cooling cycle system, the condenser with by freezing pipeline and backflow pipeline connect between the cooling tower, the periphery of heat transfer fin sets up towards white device, the cooling tower with pass through towards white pipe connection towards white device. The heat that produces of refrigerating system that has dashed white process make full use of of this system has improved towards the temperature of white water for dash the speed of frost, but towards white water reuse, water economy resource, reduced towards the temperature of white water towards white process, retrieve the cooling tower after, can reduce the temperature of cooling water for cooling process in the cooling tower, reduce the replenishment amount of cooling water, and can improve refrigerating system's refrigeration efficiency.
Description
Technical field
This utility model relates to refrigeration plant Defrost technology field, especially relates to a kind of defrosting system.
Background technology
In low temperature environment is simulated, indoor air-cooler or other refrigeration plants are because indoor air humidity can cause the frosting of heat exchange fin surface, and along with thickening of frost layer, the heat exchange efficiency of refrigeration plant can be worse and worse, it is also possible to damage air-cooler time serious, therefore defrosting operation is necessary.
Existing Defrost mode mainly has electric defrosting technology and water defrosting mode.
Electricity defrosting technology is mainly used in small-sized air-cooler, and its advantage is that defrosting speed is very fast, but shortcoming to be energy consumption higher, especially for large-scale air-cooler, defrosting cost is too big, is unfavorable for promoting the use of. Further, currently used electric defrosting technology needs to carry out after a shutdown, it addition, can make the temperature rapid increase in refrigeration space after electrical heating, is unfavorable for stablizing of low temperature environment, and adds power consumption. Electricity defrosting mode can also circuit for generating spontaneous combustion phenomenon, there is potential safety hazard.
Traditional water defrosting mode, often have employed tap water. In the north, tap water temperature is relatively low, causes that the water yield that defrosting is wasted is relatively big, and particularly in the season that temperature is relatively low, the shortcoming of this respect becomes apparent from; And the hot water that refrigeration system produces, but needing ceaselessly to distribute in environment heat, its heat is not utilized preferably.
General cooling device water defrosting process many employings recirculated water defrosting, the minimum point of generally tangible system arranges defrosting water tank, by defrosting water pump, the water in defrosting water tank is pumped into system and defrosts. Its deficiency is after defrosting water repeatedly uses, and temperature is lower than 10 DEG C, and in the revolving cooling device of general pure, it does not have other thermals source can heat water temperature, makes defrosting water not reuse.
Utility model content
The purpose of this utility model is in that to provide a kind of defrosting system, to improve defrosting efficiency, and reduces refrigeration plant to the heat exhaust in air, reduces defrosting water consumption and energy consumption.
The defrosting system that this utility model provides, including: heat exchange fin, vaporizer, condenser and cooling tower;
Described heat exchange fin is connected with vaporizer respectively through circulating line with condenser, and heat exchange fin, vaporizer, condenser constitute cooling cycle system;
It is connected by cooling pipe and reflux line between described condenser with described cooling tower;
The periphery of described heat exchange fin arranges defrosting device;
Described cooling tower is connected by defrosting pipeline with described defrosting device.
This defrosting system make use of the heat that refrigeration plant produces, and as the defrosting water of heat exchange fin after heat exchange, had both decreased refrigeration unit to the heat extraction in air, and had improve again the temperature of defrosting water, effectively reduce defrosting water consumption.
Further, described system also includes: return water tank; Described return water tank is arranged on the lower section of heat exchange fin, and is connected with cooling tower by a recovery channel.
Further, described recovery channel arranges a water pump.
By reclaiming defrosting water, it is possible to its recycling, it is also possible to reduce the temperature of cooling water.
Further, the lower surface of described return water tank is inclined-plane, and the entrance of described recovery channel is positioned at the extreme lower position of return water tank lower surface.
This structure of return water tank can promote the flowing of recycle-water.
Further, in described water tank, drainage screen is set, is used for falling the contaminant filter carried in defrosting process.
Further, described heat exchange fin is disposed in the interior in air-cooler.
Further, described vaporizer and condenser constitute the refrigeration unit of indoor air-cooler.
Further, the horizontal level of described cooling tower is higher than the horizontal level of described defrosting device.
Defrosting water can pass through gravity and flow to voluntarily in defrosting device and spray, it is not necessary to extra power acting, it is possible to simplied system structure.
Or, the horizontal level of described cooling tower is lower than the horizontal level of return water tank, and arranges water pump on described defrosting pipeline.
So arrange, it is possible to make recycle-water naturally flow back in cooling tower, and the position of cooling tower and return water tank can from close to.
Further, described defrosting pipeline also sets up electromagnetic valve, it is possible to Non-follow control or automatically control the defrosting time.
Further, described defrosting device includes multiple shower nozzle, is evenly distributed on side or the bilateral of heat exchange fin.
Advantage of the present utility model is:
Defrosting process takes full advantage of the heat that refrigeration system produces, and improves the temperature of defrosting water, accelerates the speed of defrosting;
The repeatable utilization of defrosting water, saving water resource;
Defrosting process reduces the water temperature of defrosting water, after being recovered to cooling tower, it is possible to reduce the temperature of cooling water, accelerates the temperature-fall period in cooling tower, reduces the increment of cooling water, and can improve the refrigerating efficiency of refrigeration system.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the defrosting system that Fig. 1 provides for this utility model embodiment;
The structural representation of the defrosting system having installed return water tank additional that Fig. 2 provides for this utility model embodiment.
Accompanying drawing labelling:
1-indoor air-cooler;2-heat exchange fin; 3-vaporizer;
4-condenser; 5-cooling tower; 6-circulating line;
7-cooling pipe; 8-reflux line; 9-defrosting pipeline;
10-return water tank; 11-recovery channel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model. Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to concrete condition and applied environment understand above-mentioned term concrete meaning in this utility model.
The structural representation of the defrosting system that Fig. 1 provides for this utility model embodiment; As it is shown in figure 1, the defrosting system that the present embodiment provides, including indoor air-cooler 1, heat exchange fin 2, vaporizer 3, condenser 4, cooling tower 5, circulating line 6, cooling pipe 7, reflux line 8, defrosting pipeline 9.
Refrigeration plant includes indoor air-cooler 1 and refrigeration unit two large divisions. Wherein, heat exchange fin 2 is the heat exchanger components of indoor air-cooler 1; Refrigeration unit is made up of vaporizer 3 and condenser 4.
It is connected by two circulating lines 6 between heat exchange fin 2 with vaporizer 3, is connected also by two circulating lines 6 between condenser 4 with vaporizer 3; On two circulating lines 6 between condenser 4 and vaporizer 3, it is respectively provided with compressor and choke valve. Make composition blood circulation between heat exchange fin 2, vaporizer 3, condenser 4. Circulatory mediator is according to the flow process reciprocation cycle of heat exchange fin 2 vaporizer 3 condenser 4 vaporizer 3 heat exchange fin 2.
After liquid refrigerant absorbs cooled object heat in heat exchange fin 2, it is admitted in vaporizer 3, it is vaporized into the steam of low-temp low-pressure, condenser 4 is entered sucked, be compressed into the steam of high pressure-temperature by compressor after, to cooling medium (water or air) heat release in condenser 4, it is condensed into highly pressurised liquid; It is the cold-producing medium of low-pressure low-temperature through choke valve throttling, is again introduced into vaporizer 3, and be admitted in heat exchange fin 2 and absorb heat vaporize, reach the purpose of circularly cooling.So, cold-producing medium completes a kind of refrigeration cycle through pervaporation, compression, condensation, four basic processes of throttling in systems.
In the present embodiment, heat exchange fin 2 provides low-temperature receiver environment for indoor refrigeration, and condenser 4 will change thermogenetic heat and discharge.
Conventional liquid system can select Freon 12, chlorodifluoromethane, R410A etc.
Freon 12 (CF2Cl2) code name R12, is a kind of colourless, odorless, transparent, cold-producing medium almost without toxicity, but can cause suffocating of people when content is more than 80% in air. Freon 12 will not burn without blast, is apply wide middle temperature cold-producing medium, it is adaptable to middle-size and small-size refrigeration system, such as electric refrigerator, refrigerator-freezer etc.
Freon 22 (CHF2Cl) code name R22, does not burn and does not explode yet, and its toxicity is more slightly larger than R12. The R22 corresponding evaporating temperature under normal atmospheric pressure is-40.8 DEG C, and under room temperature, condensing pressure is less than 15.68 �� 105Pa, refrigerating effect per unit swept volume and than R12 big more than 60%. In air-conditioning equipment, mostly select R22 cold-producing medium
R410A is a kind of novel environment-friendly refrigerant, and refrigerating efficiency is higher, does not damage the ozone layer. R410A new cooling media is formed by the mixture of two kinds of quasi-azeotropic, mainly has hydrogen, fluorine and carbon composition (being expressed as hfc), has the features such as stable, nontoxic, superior performance, is the internationally recognized coolant most suitable for substituting R22 so far.
Also setting up a heat exchanger in condenser 4, this heat exchanger is connected with cooling tower 5 by cooling pipe 7 and reflux line 8, constitutes a cooling-heat absorption circulation. The heat that condenser 4 is distributed by this cooling-heat absorption circulation is by cooling down Water Sproading in cooling tower 5, and quickly reduces the circulatory mediator temperature in condenser 4, improves refrigerating efficiency. One water pump can be set on cooling pipe 7, be used for circulating, for cooling-heat absorption, the power providing required.
Being arranged around including the defrosting device of multiple shower nozzle at heat exchange fin 2, the position of shower nozzle can be put according to demand, can cover whole heat exchange fin 2 with the spray scope of shower nozzle and be advisable.
The bottom of cooling tower 5 picks out a defrosting pipeline 9, is connected with each shower nozzle of defrosting device.
After detection finds heat exchange fin 2 frosting of indoor air-cooler 1, by calling high-temperature water in outdoor cooling tower 5 as defrosting water, enter heat exchanging fin 2 in defrosting device and carry out defrosting.
Under a normal operating state, when needs defrosting, the water temperature in cooling tower 5 can reach more than 30 DEG C, sometimes can reach about 40 DEG C, and temperature is far above tap water temperature, it is possible to quickly heat exchanging fin 2 carries out defrosting.
The structural representation of the defrosting system having installed return water tank additional that Fig. 2 provides for this utility model embodiment. As in figure 2 it is shown, in the present embodiment, it is arranged below return water tank 10 at heat exchange fin 2, receives the defrosting water after defrosting. The bottom of return water tank 10 arranges a recovery channel 11 being connected with cooling tower 5.
The lower surface of return water tank 10 is preferably inclined-plane or the conical surface, and the entrance of recovery channel 11 is positioned at the extreme lower position of return water tank 10 lower surface.
Defrosting water can be reclaimed by return water tank 10 so that it is can reuse, it is also possible to reduces the cooling water temperature in cooling tower 5, accelerates the temperature-fall period of cooling water, and reduces the increment needed for cooling water.
After defrosting water repeatedly uses, substantial amounts of impurity can be carried and enter return water tank 10, make the water degradation in return water tank 10;And some impurity can be retained on heat exchange fin 2 in defrosting process, make the cold air degradation of inlet chamber environment. If indoor environment is freezer, impure cold air can make the product of depositing in freezer be contaminated, and affects the quality of goods. Therefore, one or more layers drainage screen can be set in return water tank 10, be used for falling the contaminant filter carried in defrosting process, and regularly drainage screen be carried out, to improve the water quality of defrosting water and to reduce stopping state.
In specific implementation process, the preferred levels height of cooling tower 5 can be higher than the level height of defrosting device, and so, defrosting water can flow in defrosting device under gravity voluntarily and spray from shower nozzle, power that need not be extra does work, and simplifies the structure of defrosting device.
At this time, it may be necessary to arrange a water pump on recovery channel 11, the water in return water tank 10 is risen in cooling tower 5.
Can also making the horizontal level horizontal level lower than return water tank 10 of cooling tower 5, so, the recycle-water of return water tank 10 can flow back in cooling tower 5 under gravity voluntarily. In this case, it is necessary on defrosting pipeline 9, arrange a water pump, it is used for pumping in defrosting device defrosting water.
Under this setup, it is also possible to cooling tower 5 and return water tank 10 are merged into one, the structure of simplified system.
Defrosting pipeline 9 can arrange manually opened valve or use electromagnetic valve. Electromagnetic valve being preferably used, by circuit or program, formulates start-up time and the time of electromagnetic valve, heat exchanging fin 2 is timed defrosting. Further, it is possible to the sensor that is connected with electromagnetic valve is set on heat exchange fin 2, when frosting to a certain extent time, opens solenoid valve voluntarily, heat exchanging fin 2 carries out defrosting.
The heat exchange fin defrosting system that this utility model provides, has the advantage that
Defrosting process takes full advantage of the heat that refrigeration system produces, and improves the temperature of defrosting water, accelerates the speed of defrosting;
The repeatable utilization of defrosting water, saving water resource;
Defrosting process reduces the water temperature of defrosting water, after being recovered to cooling tower, it is possible to reduce the temperature of cooling water, accelerates the temperature-fall period in cooling tower, reduces the not anxious amount of cooling water, and can improve the refrigerating efficiency of refrigeration system.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit; Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a defrosting system, it is characterised in that including: heat exchange fin, vaporizer, condenser and cooling tower;
Described heat exchange fin is connected with vaporizer respectively through circulating line with condenser, and heat exchange fin, vaporizer, condenser constitute cooling cycle system;
It is connected by cooling pipe and reflux line between described condenser with described cooling tower;
The periphery of described heat exchange fin arranges defrosting device;
Described cooling tower is connected by defrosting pipeline with described defrosting device.
2. defrosting system according to claim 1, it is characterised in that also include: return water tank;Described return water tank is arranged on the lower section of heat exchange fin, and is connected with cooling tower by a recovery channel.
3. defrosting system according to claim 2 a, it is characterised in that water pump is set on described recovery channel.
4. defrosting system according to claim 2, it is characterised in that the lower surface of described return water tank is inclined-plane, and the entrance of described recovery channel is positioned at the extreme lower position of return water tank lower surface.
5. defrosting system according to claim 1, it is characterised in that described heat exchange fin is disposed in the interior in air-cooler.
6. defrosting system according to claim 1, it is characterised in that described vaporizer and condenser constitute the refrigeration unit of indoor air-cooler.
7. defrosting system according to claim 1 and 2, it is characterised in that the horizontal level of described cooling tower is higher than the horizontal level of described defrosting device.
8. defrosting system according to claim 2, it is characterised in that the horizontal level of described cooling tower is lower than the horizontal level of return water tank, and arranges water pump on described defrosting pipeline.
9. defrosting system according to claim 8, it is characterised in that also set up electromagnetic valve on described defrosting pipeline.
10. defrosting system according to claim 1, it is characterised in that described defrosting device includes multiple shower nozzle, is evenly distributed on the side of heat exchange fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881424.3U CN205300062U (en) | 2015-11-05 | 2015-11-05 | Towards white system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881424.3U CN205300062U (en) | 2015-11-05 | 2015-11-05 | Towards white system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205300062U true CN205300062U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520881424.3U Active CN205300062U (en) | 2015-11-05 | 2015-11-05 | Towards white system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543355A (en) * | 2016-06-23 | 2018-01-05 | 樊永信 | A kind of New-style refrigeration house cooling fan system |
| CN110094926A (en) * | 2019-05-27 | 2019-08-06 | 南通远征冷冻设备有限公司 | A kind of uniform defrosting device and method |
-
2015
- 2015-11-05 CN CN201520881424.3U patent/CN205300062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543355A (en) * | 2016-06-23 | 2018-01-05 | 樊永信 | A kind of New-style refrigeration house cooling fan system |
| CN110094926A (en) * | 2019-05-27 | 2019-08-06 | 南通远征冷冻设备有限公司 | A kind of uniform defrosting device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |