CN202254522U - Softened water spraying cooling device of air-cooled condenser of central air-conditioning heat pump machine set - Google Patents

Softened water spraying cooling device of air-cooled condenser of central air-conditioning heat pump machine set Download PDF

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Publication number
CN202254522U
CN202254522U CN2011203404282U CN201120340428U CN202254522U CN 202254522 U CN202254522 U CN 202254522U CN 2011203404282 U CN2011203404282 U CN 2011203404282U CN 201120340428 U CN201120340428 U CN 201120340428U CN 202254522 U CN202254522 U CN 202254522U
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CN
China
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water
condenser
booster pump
storage box
spraying
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CN2011203404282U
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Chinese (zh)
Inventor
王华文
吴健雄
敖奇
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湖北东橙新能源科技有限公司
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Abstract

The utility model relates to a softened water spraying cooling device of an air-cooled condenser of a central air-conditioning heat pump machine set. The softened water spraying cooling device mainly comprises a spraying cooling system and a softened water generating and supply system, wherein a spraying pipe is arranged above the condenser, a water collector is arranged below the condenser, a water supply pipe is connected with the spraying pipe and the outlet of a booster pump, a water replenishing solenoid valve is arranged between a water storage tank and a water softener, and a running water replenishing valve is connected with the water softener. The softened water spraying cooling device is mainly characterized in that softened water is adopted for spraying, and the softened water circulates according to the following technological process: the inlet of the booster pump, the outlet of the booster pump, a one-way check valve, a booster pump control valve, a water supply pipe, a spraying pipe, a spraying hole, a heat exchange fin of the condenser, the water collector, a water return pipe, the water storage tank and the inlet of the booster pump. The softened water spraying cooling device provided by the utility model can adopts the softened water for spraying, heat dissipating capacity of the condenser is born by two mediums, namely cooled air and the softened water used for spraying, heat dissipation efficiency can be obviously improved, and the problem that the heat dissipation efficiency is reduced as the heat exchange fin of the condenser is scaled can be solved.

Description

Central air-conditioning source pump air cooled condenser demineralized water spraying cooling device

Affiliated technical field

The utility model belongs to technical field of heat pumps, relates to a kind of air cooled condenser spraying cooling device, particularly a kind of central air-conditioning source pump air cooled condenser demineralized water spraying cooling device.

Background technology

In recent years; Continuous aggravation along with the earth atmosphere greenhouse effects; Summer, outside air temperature was increasingly high; The heat-sinking capability of central air-conditioning source pump air cooled condenser that makes abominable radiating condition more and more can not satisfy the designing requirement of dispatching from the factory of central air-conditioning source pump (central air-conditioning source pump design temperature in outdoor summer is generally 35 ℃, and global climate at torridity summer up to 50 ℃, the area of dissipation and the ventilation of central air-conditioning source pump air cooled condenser are obviously less than normal).Sometimes; Again because central air-conditioning source pump air cooled condenser does not have desirable position; Central air-conditioning source pump air cooled condenser is installed on the formula of can only seizing every opportunity ground around building, the high body of wall of building or noise barrier hinder the horizontal circulation of air, and it is not smooth to ventilate; Ventilation effect is poor, has influenced the condenser radiating efficiency.

As everyone knows, the theoretical coefficient of refrigerating performance ε of central air-conditioning source pump is the obtainable refrigerating capacity of air-conditioning equipment unit's wasted work, is an important parameter of the energy-saving quality of expression air-conditioning equipment, shows with following formula table:

ε=T0/(Tk-T0)

In the formula: the evaporating temperature of T0-evaporimeter, unit: K;

The condensation temperature of Tk-condenser, unit: K;

K=℃+273。

According to above-mentioned formula analysis, the evaporating temperature of air-conditioning refrigeration system is relevant with the interior temperature of machine room, and the temperature value that machine room is set is high more, T0 value meeting high more (changing between 0~7.2 ℃ of scope); Condensation temperature is relevant with outside air temperature, and outside air temperature is high more, and the Tk value can be high more.

According to the variation of evaporating temperature and condensation temperature, can calculate substantially that the coefficient of refrigerating performance situation of change of refrigeration system is following:

Suppose condensation temperature be 55 ℃ constant, then the temperature increase of machine room, make evaporating temperature raise 6 ℃ from 5 ℃, then desirable coefficient of refrigerating performance ε rises to 5.69W/W by 5.56W/W, climbing about 2.3%.In addition, every 1 ℃ of computer room temperature lifting, the corresponding external world passes through the also corresponding reduction about 6% of heat output of building enclosure in machine room, COMPREHENSIVE CALCULATING, and the machine room whole energy will reach about 8%.

Suppose evaporating temperature be 5 ℃ constant, if outside air temperature rises, make the condensation temperature of refrigeration system be increased to 56 ℃ from original 55 ℃, then the desirable coefficient of refrigerating performance ε of refrigeration system drops to 5.45W/W by original 5.56W/W, rate of descent about 2.0%.

From above-mentioned reckoning result; Want the central air-conditioning source pump and reach energy-saving effect; After air-conditioning equipment is selected, two kinds of Basic Ways are arranged: a kind of method is in the scope that the machine room electronic equipment allows, and establishes height to computer room temperature as far as possible; Though this method can reach energy saving purposes, may bring negative effect to equipment expensive in the machine room; And another kind of method is to manage to reduce the condensation temperature of condenser; At present; The cooling of domestic central air-conditioning source pump air cooled condenser all is to adopt air cooling way, if do not take other auxiliary temperature-reducing measures, it can not be satisfied the demand when working summer.In order to guarantee that heat passes to outside air from cold-producing medium, condensation temperature can promote very high along with the rising of atmospheric temperature, till the high pressure alarm takes place, consequently directly influences the refrigeratory capacity of refrigeration system, strengthens consumption of compressor.

The utility model applicant is in order to improve the operational efficiency of central air-conditioning source pump; Existing problem during to central air-conditioning source pump air cooled condenser summer operation was once applied for utility model patent (utility model title: central air-conditioning source pump air cooled condenser spraying cooling device.The patent No.: ZL201020657823.9), provide a kind of under the prerequisite of area of dissipation that does not increase air cooled condenser and air-cooled air quantity, can improve the spraying cooling device of central air-conditioning source pump air cooled condenser radiating efficiency.This device makes the heat radiation of central air-conditioning source pump air cooled condenser; Pass through the outside air conduction and dispel the heat and be transformed into air transmitted and dispel the heat and add the shower water heat radiator by simple; Just the heat dissipation capacity of condenser is born by cooling air and shower water two parts media; Behind shower water on the heat exchange fin of condenser, the integral heat sink of condenser with only be that air cooling way heat radiation is compared, significantly improved radiating efficiency; Reduce consumption of compressor, increased the refrigerating capacity of central air-conditioning source pump.Yet; Because what the condensation shower water adopted is a kind of without the softening ordinary tap water of handling, higher calcium, the magnesium ion of content in the water quality is sprayed on the condenser heat exchange fin and can forms one deck incrustation scale (calcium carbonate or magnesium carbonate); Tend to reduce radiating efficiency because of fouling; Cause cooling-down effect undesirable,, shorten the service life of condenser simultaneously also because of the corrosion damage equipment.

Summary of the invention

This practical purpose is when being directed against the operation of central air-conditioning source pump air cooled condenser spraying cooling device; The fouling that is occurred on the condenser heat exchange fin (calcium carbonate or magnesium carbonate) problem; A kind of employing demineralized water spray is provided, solves the condenser heat exchange fin reduces radiating efficiency because of fouling central air-conditioning source pump air cooled condenser demineralized water spraying cooling device.

The technical solution of the utility model is: a kind of central air-conditioning source pump air cooled condenser demineralized water spraying cooling device; Mainly constitute by spraying cooling system and demineralized water manufacturing, feed system; High and low water level stroke protection switch is set in the water storage box; The condenser top is provided with spray quinoline pipe, the below is provided with the ponding dish; Feed pipe connection shower and booster pump control valve, one way stop peturn valve, booster pump outlet, return pipe connects ponding dish and water storage box, and the moisturizing magnetic valve is installed between water storage box and the water softener; The running water water compensating valve connects water softener; Its principal character is: shower water uses demineralized water, and the flow process that the demineralized water circulation is adopted is the heat exchange fin of booster pump inlet → booster pump outlet → one way stop peturn valve → booster pump control valve → feed pipe → shower → spray apertures → condenser → ponding dish → return pipe → water storage box → booster pump inlet.

Demineralized water manufacturing described in the utility model technical solution, feed system; Form by running water water compensating valve, water softener, moisturizing magnetic valve, water storage box; It is characterized in that: the water softener of making demineralized water adopts ion exchange formula water softener; Demineralized water is supplied with flow process and is running water water compensating valve → water softener → moisturizing magnetic valve → water storage box.

Water softener described in the utility model technical solution in demineralized water manufacturing, the feed system is a kind of ion exchange formula water softener of making demineralized water, demineralized water being provided to water storage box.The condenser shower water adopts the necessity of demineralized water to be: if adopt ordinary tap water; Owing to contain higher calcium, magnesium ion quantity in the water quality, be sprayed on the condenser heat exchange fin, can form one deck incrustation scale (calcium carbonate or magnesium carbonate); Might make condenser not reach due cooling-down effect; Even can reduce because of the fouling thermal efficiency, corrode and damage equipment simultaneously, shorten the service life of condenser.Water softener is the Application of ion switching technology, exchange through the functional ionic on the resin and the calcium in the water, magnesium ion, thereby unnecessary calcium, magnesium ion in the adsorbed water reaches the purpose of removing incrustation scale (calcium carbonate or magnesium carbonate).Water softener is made up of resin container (main jar and pair jar), hydraulic control valve and three major parts of salt case, and different with all other automatic water softeners, the operation of water softener does not need electricity consumption; Only lean on former water pressure to move automatically, its basic principle is: two turbines in the hydraulic control valve drive two groups of gears respectively under the promotion of current; Cleverly according to the variation of integrated flux; Drive the valve opening and closing of different passages, accomplish the cyclic process of the operation, regeneration of water softener, clear, blowdown and the moisturizing of salt case automatically, and between two jars, automatically switch; One is equipped with a usefulness, guarantees to supply incessantly soft water.

Water storage box described in the utility model technical solution is a kind of container that stores demineralized water, considers temporarily cutting off the water of system, and water storage box should possess certain storage capacity, and under the situation of conditions permit, the water storage box volume should be big as far as possible.Owing to the reasons such as evaporation of moisture content, need regularly or irregularly replenish demineralized water to water storage box in the spray process from water softener through the moisturizing magnetic valve.High and low water level stroke protection switch is set in the water storage box.The moisturizing magnetic valve is installed between water storage box and the water softener, and water storage box is provided with the manual drainage valve outward, when water storage box need clean or change water, but the emptying water storage.

High water level stroke protection switch described in the utility model technical solution; The control circuit of the trip protection switch and moisturizing magnetic valve is linked; When the water level of water storage box was in high water level stroke protection switch position, the moisturizing magnetic valve cut out automatically, stops to water storage box after softening water.

Low water level stroke protection switch described in the utility model technical solution; The control circuit of the trip protection switch and booster pump is linked; When the water level of water storage box was in low water level stroke protection switch position, the booster pump autostop stopped to supply with shower water.

Booster pump control valve described in the utility model technical solution is a kind of anti-water solenoid valve, and this anti-water solenoid valve is connected with the blast pipe of compressor through pressure switch and realizes interlock.When the pressure at expulsion of compressor was higher than the setting value of pressure switch, pressure switch conducting power of electromagnetic valve started booster pump, and spray equipment puts into operation; When the pressure at expulsion of compressor was lower than the setting value of pressure switch, pressure switch can not the conducting power of electromagnetic valve, and booster pump can not start, and spray equipment does not put into operation.

Booster pump described in the utility model technical solution is the feed pump that the spraying cooling device is realized the demineralized water spray, and its effect is to shower shower water to be provided.Because it is bigger that booster pump is exported to the resistance of spray apertures, for guaranteeing the normal spray after shower water goes out spray apertures, shower water needs supercharging separately, thereby selects booster pump for use.Shower water gets into shower through feed pipe; Sprayed by spray apertures on the heat exchange fin of condenser, shower water gets into the ponding dish after to the condenser spraying cooling, and the return pipe through ponding dish below gets into water storage box; Supply booster pump to draw water and into water is provided to shower; Thereby the water storage in the water storage box is in the state of recycling, but owing to the reasons such as water evaporates in the spray process, needs regularly or irregularly water storage box replenished the demineralized water that is provided by water softener through the moisturizing magnetic valve.

Shower described in the utility model technical solution is the device of in the spraying cooling device condenser heat exchange fin being sprayed water, and the demineralized water that booster pump provides gets into shower through feed pipe.Shower is made up of spray water-main, some spray branching pipes.The spray water-main is connected with the feed pipe of booster pump outlet; Each sprays branching pipe and all is connected with the spray water-main and keeps certain distance with condenser; Several spray apertures are offered in the below of spray branching pipe; Shower water is sprayed directly on the heat exchange fin of condenser by spray apertures, gets into the ponding dish behind the heat in shower water water droplet nature dropping process on the absorptive condenser heat exchange fin.

Ponding dish described in the utility model technical solution; It is the device that shower water reclaims at the shower water water droplet that the heat exchange fin heat absorption of condenser is afterwards fallen; Ponding dish bottom is funnel type; Ponding dish hopper outlet is connected with water storage box by return pipe, and the shower water of recovery gets into water storage box and supplies booster pump that shower is supplied shower water.

The beneficial effect of the utility model is: because device has been set up demineralized water manufacturing, feed system; Device both can adopt the demineralized water spray that the heat dissipation capacity of condenser is born by cooling air and demineralized water spray two parts media; Improve radiating efficiency significantly, can solve the condenser heat exchange fin reduces radiating efficiency because of fouling (calcium carbonate or magnesium carbonate) problem again.

Below, in conjunction with accompanying drawing the utility model is further specified.

Description of drawings

Fig. 1 is the utility model central air-conditioning source pump air cooled condenser demineralized water spraying cooling device sketch map.

Among the figure: 1, shower; 2, feed pipe; 3, spray apertures; 4, condenser; 5, cooling fan; 6, ponding dish; 7, booster pump control valve; 8, return pipe; 9, one way stop peturn valve; 10, overflow pipe; 11, booster pump; 12, low water level stroke protection switch; 13, water storage box; 14, high water level stroke protection switch; 15, manual drainage valve; 16 moisturizing magnetic valves; 17, water softener; 18, running water water compensating valve.

The specific embodiment

The utility model embodiment is as shown in Figure 1.

Device mainly is made up of demineralized water spray system and demineralized water manufacturing, feed system; High and low water level stroke protection switch (14,12) is set in the water storage box (13); Condenser (4) top is provided with spray quinoline pipe (2), the below is provided with ponding dish (6); The outlet of feed pipe (2) connection shower (1) and booster pump control valve (7), one way stop peturn valve (9), booster pump (11); Return pipe (8) connects ponding dish (6) and water storage box (13); Moisturizing magnetic valve (16) is installed between water storage box (13) and the water softener (17), and running water water compensating valve (18) connects water softener (17), and its principal character is: shower water uses demineralized water; The flow process that the demineralized water circulation is adopted is the heat exchange fin of booster pump (11) inlet → booster pump (11) outlet → one way stop peturn valve (9) → booster pump control valve (7) → feed pipe (2) → shower (2) → spray apertures (3) → condenser (4) → ponding dish (6) → return pipe (8) → water storage box (13) → booster pump (11) inlet.

Demineralized water manufacturing, the feed system of device; Comprise running water water compensating valve (18), water softener (17), moisturizing magnetic valve (16), water storage box (14) composition; It is characterized in that: the water softener (17) of making demineralized water adopts ion exchange formula water softener; Demineralized water is supplied with flow process and is running water water compensating valve (18) → water softener (17) → moisturizing magnetic valve (16) → water storage box (13).

The spray demineralized water of device gets into shower (1) through feed pipe (2); Spray on the heat exchange fin of condenser (4) by spray apertures (3); The spray demineralized water gets into ponding dish (6) after to the heat exchange fin spraying cooling of condenser (4); Get into water storage box (13) through return pipe (8), supply booster pump (11) to draw water and into water is provided, thereby stored demineralized water is in the state of recycling in the water storage box (13) to shower (1).Owing to the reasons such as water evaporates in the spray process, need regularly or irregularly replenish demineralized water to water storage box (13) from water softener (17) through moisturizing magnetic valve (16).Too high and low excessively in order to prevent the water level in the water storage box (13), in water storage box (13), be provided with high water level stroke protection switch (14) and low water level stroke protection switch (12).Water storage box (13) is equipped with moisturizing magnetic valve (16); The control circuit of moisturizing magnetic valve (16) is connected with high water level stroke protection switch (14); Water level at water storage box (13) is in high water level stroke protection switch (14) when locating; Moisturizing magnetic valve (16) cuts out automatically, stops to water storage box (13) supply demineralized water.Low water level stroke protection switch (12) then is connected with the control circuit of booster pump (11), is in low water level stroke protection switch (12) when locating at the water level of water storage box (13), and booster pump (11) autostop stops to supply with softening shower water.Water storage box (13) can be overflowed by overflow pipe (10) when water level is too high.Need to clean water storage box (14) or water storage box (14) when changing water, can be by the water storage of manual drainage valve (15) emptying water storage box (14).

In the device, booster pump control valve (7) is a kind of anti-water solenoid valve, and this anti-water solenoid valve is connected with the blast pipe of compressor through pressure switch and realizes interlock.When the pressure at expulsion of compressor was higher than the setting value of pressure switch, pressure switch conducting power of electromagnetic valve started booster pump (11), and spray equipment puts into operation; When the pressure at expulsion of compressor was lower than the setting value of pressure switch, pressure switch can not the conducting power of electromagnetic valve, and booster pump (11) can not start, and spray equipment does not put into operation.

Device is owing to set up demineralized water manufacturing, feed system; Device both can adopt the demineralized water spray that the heat dissipation capacity of condenser (4) is born by cooling air and demineralized water spray two parts media; Improve radiating efficiency significantly, can solve condenser (4) heat exchange fin reduces radiating efficiency because of fouling (calcium carbonate or magnesium carbonate) problem again.

Claims (2)

1. central air-conditioning source pump air cooled condenser demineralized water spraying cooling device; Mainly constitute by demineralized water spray system and demineralized water manufacturing, feed system; High and low water level stroke protection switch (14,12) is set in the water storage box (13); Condenser (4) top is provided with spray quinoline pipe (2), the below is provided with ponding dish (6); The outlet of feed pipe (2) connection shower (1) and booster pump control valve (7), one way stop peturn valve (9), booster pump (11); Return pipe (8) connects ponding dish (6) and water storage box (13); Moisturizing magnetic valve (16) is installed between water storage box (13) and the water softener (17), and running water water compensating valve (18) connects water softener (17), and its principal character is: the shower water that device uses adopts demineralized water; The flow process of demineralized water circulation is the heat exchange fin of booster pump (11) inlet → booster pump (11) outlet → one way stop peturn valve (9) → booster pump control valve (7) → feed pipe (2) → shower (2) → spray apertures (3) → condenser (4) → ponding dish (6) → return pipe (8) → water storage box (13) → booster pump (11) inlet.
2. a kind of central air-conditioning source pump air cooled condenser demineralized water spraying cooling device according to claim 1; It is characterized in that: described demineralized water manufacturing, feed system; The water softener (17) of making demineralized water adopts ion exchange formula water softener; Demineralized water is supplied with flow process and is running water water compensating valve (18) → water softener (17) → moisturizing magnetic valve (16) → water storage box (13).
CN2011203404282U 2011-09-06 2011-09-06 Softened water spraying cooling device of air-cooled condenser of central air-conditioning heat pump machine set CN202254522U (en)

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CN2011203404282U CN202254522U (en) 2011-09-06 2011-09-06 Softened water spraying cooling device of air-cooled condenser of central air-conditioning heat pump machine set

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Application Number Priority Date Filing Date Title
CN2011203404282U CN202254522U (en) 2011-09-06 2011-09-06 Softened water spraying cooling device of air-cooled condenser of central air-conditioning heat pump machine set

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727649A (en) * 2013-12-17 2014-04-16 青岛海信日立空调系统有限公司 Air-cooled air conditioning unit with auxiliary water cooling device and control method of air conditioning unit
CN103968604A (en) * 2014-04-23 2014-08-06 江苏心日源建筑节能科技股份有限公司 Air cooled heat pump unit
CN104048365A (en) * 2013-03-13 2014-09-17 江苏心日源建筑节能科技有限公司 Air conditioner outdoor unit mist cooling system
CN106111592A (en) * 2016-07-14 2016-11-16 武汉纺织大学 Ramee cleans spray water blood circulation
CN108946649A (en) * 2018-07-12 2018-12-07 蚌埠市昊源压缩机制造有限公司 A kind of exhaust gas cleaner for gas station oil gas processing system
CN109812961A (en) * 2017-11-21 2019-05-28 上海奇谋能源技术开发有限公司 A kind of radiator for saving air conditioner energy consumption

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104048365A (en) * 2013-03-13 2014-09-17 江苏心日源建筑节能科技有限公司 Air conditioner outdoor unit mist cooling system
CN103727649A (en) * 2013-12-17 2014-04-16 青岛海信日立空调系统有限公司 Air-cooled air conditioning unit with auxiliary water cooling device and control method of air conditioning unit
CN103727649B (en) * 2013-12-17 2016-09-21 青岛海信日立空调系统有限公司 The air-cooled air conditioner unit of a kind of band auxiliary water cooling device and control method
CN103968604A (en) * 2014-04-23 2014-08-06 江苏心日源建筑节能科技股份有限公司 Air cooled heat pump unit
CN106111592A (en) * 2016-07-14 2016-11-16 武汉纺织大学 Ramee cleans spray water blood circulation
CN106111592B (en) * 2016-07-14 2018-04-20 武汉纺织大学 Ramee cleaning spraying water circulation system
CN109812961A (en) * 2017-11-21 2019-05-28 上海奇谋能源技术开发有限公司 A kind of radiator for saving air conditioner energy consumption
CN108946649A (en) * 2018-07-12 2018-12-07 蚌埠市昊源压缩机制造有限公司 A kind of exhaust gas cleaner for gas station oil gas processing system

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