KR100937954B1 - A large capacity water purifier for a group water drinker - Google Patents

Abstract

PURPOSE: A large capacity water purifier for supply water to a group is provided to extend the life of a rapid cooling system, to stably form the discharge water pressure by selectively controlling an instantaneous cooler, and to supply the large capacity water supply through a raw water supply pipe connected to water supply pipes. CONSTITUTION: A large capacity water purifier for supply water to a group is composed of a raw water supply pipe(110), a filtering device(120), plural instantaneous coolers(130), a cooling pipe(140), plural cold water discharge corks(150), and a cold water discharge pipe(160). The raw water supply pipe is connected to water supply pipes(10). The filtering device purifies the raw water by filtering the impurities of the raw water. The plural instantaneous coolers instantaneously cool the purified raw water. The cooling pipe selectively supplies the purified raw water to the plural instantaneous coolers. The plural cold water discharge corks takes the water by discharging the cooled raw water to the outside. The cold water discharge pipe selectively supplies the cooled raw water to the plural cold water discharge corks.

Description

A large capacity water purifier for a group water drinker

The present invention relates to a large-capacity drinking tank for group water supply, and more particularly, a plurality of instantaneous coolers for supplying a large amount of raw water by supplying raw water through a plurality of raw water supply pipes connected to a plurality of water supply pipes, respectively, and cooling the raw water. It is related to the large capacity drinking tank for single-stage water supply that can extend the life of instantaneous cooler as well as smooth discharge water pressure formation by selective control.

In general, a large drinking tank for group water supply is a device for supplying clean water to catering facilities such as schools, large institutes, military units, factories, and companies that require group water supply. There is no need for hygiene problems, environmental pollution due to the washing of the cup, cup storage means, etc., and can improve the problems such as waste of resources, environmental pollution, etc. due to the use of disposable paper cups.

The conventional large-capacity drinking water for drinking water as described above, as disclosed in the 'water-direct drinking water tank' of the patent registration No. 10-0699798, tap water is installed in the upper part of the drinking water main body is discharged tap water is supplied through the water supply pipe In addition to the means and the upper part of the main body is provided with a drain basin for draining the tap water discharged from the tap water discharging means is drained and a water pipe provided with a drain pipe for draining the tap water collected in the drain basin to the outside of the drinking fountain body In the direct drinking tank, the instantaneous cooling means for instantaneous cooling of the tap water supplied through the water supply pipe installed in the main body of the drinking fountain, and the cooled tap water discharged from the instantaneous cooling means flows to the tap water jetting means. It includes a tap water flow line, the instant cooling means is installed in the case to compress the refrigerant A compressor, a condenser for condensing the refrigerant discharged from the compressor, an expansion valve for expanding the refrigerant condensed in the condenser, a cooling tank containing a cooling liquid therein, and a refrigerant pipe inside the cooling tank. A refrigerant circulation cycle comprising an evaporator for evaporating the refrigerant expanded in the expansion valve by installing in a shape, and a portion of the water supply pipe is accommodated in the cooling liquid in the cooling tank.

However, the conventional large-capacity drinking water tank or a direct drinking water tank for the conventional water supply does not have a storage tank in which raw water is stored, so that bacteria do not grow, but the raw water is instantaneously cooled by a single line through a single water supply line. Since it is supplied to and discharged through a plurality of tap water jetting means is not provided with the reservoir tank, the discharge water pressure is lowered, which is difficult to apply to places where a large capacity of water supply facilities are required.

In addition, since the conventional large capacity drinking water for the single group water supply is provided with a single instantaneous cooling means, the instantaneous cooling means is over-operated for the large-capacity negative water as described above, thereby reducing the lifespan and rapid failure in case of failure. There is a problem that is difficult to cope.

In addition, the instant cooling means is further provided with a stirring screw for preventing the cooling solution from freezing inside the cooling tank and stirring the cooling solution to have a uniform temperature by the refrigerant pipe. When the screw is operated in a state where the cooling solution is frozen due to malfunction of the instantaneous cooling means, there is a problem in that the screw is broken.

In addition, the instantaneous cooling means has a problem that maintenance of the instantaneous cooling means is cumbersome because the cooling tank is not sealed and the cooling liquid must be evaporated and the administrator must continuously replenish the cooling liquid directly. .

Therefore, an object of the present invention is to provide a large-capacity drinking fountain for group water supply to enable a large amount of raw water supply by supplying a large amount of raw water through the raw water supply pipe connected to the plurality of water supply pipes, respectively.

In addition, another object of the present invention is to form a smooth discharge water pressure through a plurality of instantaneous cooler to selectively cool the raw water supplied from the plurality of raw water supply pipe, a large capacity drinking water for the group water supply can extend the life of the instantaneous cooler It is to provide a stand.

In addition, another object of the present invention is to provide a small water pump to the instantaneous cooler and to circulate the cooling liquid in the cooling tank through the micro submersible pump (Circulation) large capacity for group water supply that can reduce the generation of noise To provide a drinking fountain.

In addition, another object of the present invention is to seal the cooling tank of the instantaneous cooler to prevent the evaporation of the cooling solution in the cooling tank and a large capacity for the group water supply to be automatically replenished when the evaporation of the cooling solution To provide a drinking fountain.

In addition, another object of the present invention is to provide a ultraviolet sterilizer at the front end of the cold water discharge coke so that the stagnant raw water is sterilized just before the intake of water, which can solve the psychological anxiety for the bacteria of the drinking water users, large capacity for group water supply To provide a drinking fountain.

On the other hand, the object of the present invention is not limited to the above-mentioned object, other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

To this end, according to the present invention, a plurality of raw water supply pipe is connected to each of the plurality of external water supply pipe inlet raw water; A plurality of instantaneous coolers each provided in the plurality of raw water supply pipes to instantaneously cool the raw water; A cooling tube provided between the plurality of raw water supply pipes and the plurality of instant coolers to selectively supply the raw water to the plurality of instant coolers; A plurality of cold water discharge cokes for discharging raw water cooled by the instantaneous cooler to the outside; And a cold water discharge pipe provided between the instantaneous cooler and the plurality of cold water discharge coke to selectively supply the raw water cooled by the instant cooler to the plurality of cold water discharge coke.

Here, the large-capacity drinking water for the group water supply may further include filtering means for filtering the contaminants of the raw water supplied from the plurality of raw water supply pipes.

In addition, the large-capacity drinking water for the single group water supply is a heater for heating the raw water; A heating tube provided between the raw water supply pipe and the heater to supply the raw water; Hot water discharging coke having a hot water coke for discharging the raw water heated by the heater to the outside; And a hot water discharge pipe provided between the heater and the hot water discharge coke to supply the raw water heated by the heater.

In addition, it is preferable that an ultraviolet sterilizer is further provided between the cold water discharge pipe and the cold water discharge coke.

The plurality of instantaneous coolers may include a compressor provided inside the case to compress and discharge the refrigerant at a high temperature and a high pressure; A condenser for condensing the refrigerant discharged from the compressor; An expansion valve for expanding the refrigerant condensed in the condenser; A cooling tank in which a cooling solution is accommodated; And an evaporator configured to spirally install a refrigerant pipe in a spiral shape up and down inside the cooling tank, and evaporate the refrigerant expanded from the expansion valve, and a portion of the cooling pipe is accommodated inside the cooling tank. The cooling liquid and the raw water is cooled by heat to cool the raw water, and a small submersible pump is provided inside the cooling tank so that the cooling liquid is discharged by the refrigerant pipe by the discharge water pressure generated from the submersible submersible pump. It is desirable to circulate to have a constant temperature.

In addition, it is preferable that a water level sensor and a cooling liquid supply pipe are further provided inside the cooling tank to detect the level of the cooling liquid.

Therefore, according to the present invention, by connecting the raw water supply pipe to each of the plurality of water supply pipe, it is possible to prevent the shortage of the water supply generated when the storage tank for storing the raw water is not provided and to be applied to the place where the group water supply is possible.

In addition, a micro submersible pump is provided inside the cooling tank of the instantaneous cooler for cooling the raw water, and the cooling liquid is circulated to have a constant temperature by the refrigerant by the discharge water pressure generated from the micro submersible pump. Noise can be prevented.

In addition, the water level of the cooling solution is sensed inside the cooling tank, and when the natural evaporation of the cooling solution is judged to automatically replenish the cooling solution from the outside to facilitate maintenance.

In addition, the plurality of instantaneous cooler is selectively controlled such as simultaneous operation or alternating operation so as to correspond to the valve control of the cooling pipe for supplying the raw water, thereby enabling rapid response in case of the failure of the instantaneous cooler as well as preventing over-operation. It can extend the life of the.

In addition, since the raw water is sterilized by ultraviolet rays irradiated from the ultraviolet sterilizer before the cooled raw water is discharged through a plurality of cold water discharge coke, the hygiene and psychological protection of the drinking water is prevented by preventing the growth of bacteria and the like in the stagnant raw water. You can minimize anxiety.

On the other hand, the effects of the present invention is not limited to the effects mentioned above, other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a large-capacity drinking water for drinking water according to a preferred embodiment of the present invention, Figure 2 is a schematic view showing the configuration of a large-capacity drinking water for drinking water in Figure 1, Figure 3 is a single A cross-sectional perspective view showing an instant cooler in a large capacity drinking water tank for water supply.

As shown in Figures 1 to 3, the large-capacity drinking water for drinking water according to a preferred embodiment of the present invention, is provided in the main body (H) and connected to the external water supply pipe 10, respectively, a plurality of raw water flows in Raw water supply pipe 110, filtering means 120 for filtering the contaminants of the raw water introduced through the plurality of raw water supply pipe 110 to purify the raw water, instant cooling the raw water purified by the filtering means 120 Between the plurality of instantaneous cooler 130, the plurality of raw water supply pipe 110 and a plurality of instantaneous cooler 130 is selectively purified by the filtering means 120 to the plurality of instantaneous cooler 130 Cooling tube 140 for supplying the raw water is supplied, a plurality of cold water discharge cock 150 and the instantaneous cooler 130 and a plurality of cold to discharge the raw water cooled by the instantaneous cooler 130 to the outside Is provided between the discharge cock 150 includes a selectively the moment the cooler 130, a cold water discharge pipe 160 such that the raw water is supplied to cooling by the plurality of water discharge cock 150, the.

Here, the large-scale drinking water for the drinking water is provided between the heater 210 for heating the raw water purified by the filtering means 120, the raw water supply pipe 110 and the heater 210 to the heater 210. Optionally hot water discharge having a heating tube 220 for supplying the raw water purified by the filtering means 120, hot water coke 231 for discharging the raw water heated by the heater 210 to the outside It is preferable to further include a hot water discharge pipe 240 provided between the coke 230 and the heater 210 and the hot water discharge coke 230 to supply the raw water heated by the heater 210.

In addition, the large-capacity drinking water for the group water supply, the ultraviolet sterilizer 170 is further provided between the cold water discharge pipe 160 and the cold water discharge coke 150 before the cold water is discharged to the cold water discharge coke 150. The raw water can be sterilized by ultraviolet irradiation to prevent bacteria and the like from propagating the raw water stagnated in the cold water discharge pipe 160 when the raw water is stagnant, thereby minimizing the sanitary and psychological anxiety of the drinking water users.

The body H of the large-capacity drinking water for the group water supply is formed in a hexahedral shape having an accommodation space therein, the components are provided therein, and the plurality of cold water discharge coke 150 and the hot water discharge coke 240 are provided outside. Is provided on the lower side of the coke is formed with a drain (unsign) for draining the discharged raw water.

The raw water supply pipe 110 is connected to each of the plurality of water supply pipes 10 located at one side of the main body H so that a large amount of raw water is supplied.

Accordingly, the raw water supply pipes 110 are connected to the plurality of water supply pipes 10, respectively, to prevent the shortage of water supply generated when the water supply tanks for storing the raw water are not provided, and thereby to be applied to the place where the group water supply is possible. Can be.

The filtering means 120 is provided in each of the plurality of raw water supply pipes 110 to filter the contaminants of the raw water to purify the raw water, and the pretreatment filter 121 into which the raw water is first introduced from the raw water supply pipe 110. And the composite filter 122 is configured to be sequentially connected to remove heavy metals and other harmful substances contained in the raw water through the process of precipitation, filtration and sterilization when raw water such as tap water passes through the filter components. More preferably, in order to produce a large amount of purified water, the filter components may be provided as a large filter or a plurality of filter arrangements.

The pretreatment filter 121 is preferably a precipitation filter for filtering soil, sand or suspended matter contained in the raw water or a carbon filter for removing residual chlorine contained in the raw water.

In addition, the composite filter 122 is a membrane filter or a fine particulate matter that passes only a very small amount of pure water, dissolved oxygen and minerals while filtering out various harmful substances such as heavy metals, carcinogens, chemicals, and the like; It is preferable that the filter serves to suppress / remove various bacteria.

Here, it is preferable that the filter components use a filter membrane coated with activated carbon or silver in the filter membrane to prevent bacteria from occurring in the filter.

Therefore, according to the filtering means 120, each of the plurality of raw water supply pipe 110 is a large-capacity filter configuration or a plurality of filter arrangements to prevent the lack of water supply caused by the lack of a low water tank as in the prior art and to prevent bacteria Can inhibit the growth of.

In addition, according to the filtering means 120, it is possible to minimize the water pressure reduction of the raw water supplied through the raw water supply pipe 110 through the water purification step reduced to two stages with the distribution arrangement to a large filter or a plurality of filter arrays. .

The plurality of instantaneous cooler 130 is for supplying cold water by cooling the raw water purified by the filtering means 120, and includes a cooling cycle component.

As shown in FIG. 3, the cooling cycle configuration unit includes a compressor 131 provided inside the case to compress and discharge the refrigerant at high temperature and high pressure, and a condenser 132 to condense the refrigerant discharged from the compressor 131. ), An expansion valve 133 for expanding the refrigerant condensed in the condenser 132, a cooling tank 135 in which a cooling liquid 134 is accommodated, and a refrigerant pipe vertically inside the cooling tank 135. 136 is installed in a spiral shape and includes an evaporator 137 for evaporating the refrigerant expanded by the expansion valve 133.

Here, a portion of the cooling tube 140 is accommodated inside the cooling tank 135 so that the raw water is exchanged with the cooling liquid 134 cooled by the refrigerant tube 136 to cool the raw water.

In addition, an inside of the cooling tank 135 is provided with an ultra-small submersible pump 138, the cooling liquid 134 by the refrigerant pipe 136 by the discharge water pressure generated from the ultra-small submersible pump (138) It is circulated to have a constant temperature so that problems such as noise generation when a stirring screw is provided and screw breakage when the cooling solution 134 is frozen do not occur as in the related art.

In addition, the inside of the cooling tank 135 is further provided with a water level sensor (S) and a cooling liquid supply pipe 139 for detecting the level of the cooling liquid 134 is cooled by the water level sensor (S) When the natural evaporation of the solution 134 is determined, the cooling solution 134 is automatically replenished through the cooling solution supply pipe 139 from the outside.

In addition, the case of the cooling tank 135 is sealed to prevent natural evaporation of the cooling solution 134, and the outside of the case is finished with a heat insulating material or the like so that the cooling solution 134 is kept warm. Do.

Therefore, according to the instantaneous cooler 130, it is possible to instantaneously cool a large amount of raw water supplied from each of the plurality of raw water supply pipes 110 to prevent a shortage of water supply caused by not having a storage tank as in the prior art.

The cooling pipe 140 is provided between the plurality of raw water supply pipe 110 and a plurality of instantaneous cooler 130, the raw water purified by the filtering means 120 selectively to the plurality of instantaneous cooler 130 The first and second cooling tubes 141 and 142 and the first and second cooling tubes 141 and 142 respectively connected between one end of the plurality of filtering means 120 and the plurality of instantaneous coolers 130. The third cooling pipe 143 and the third cooling pipe 143 which are connected to each other and are provided at the ends of the first and second cooling pipes 141 and 142 to which the third cooling pipe 143 is connected. First and second valves (144, 145) for supplying the purified water by the filtering means 120.

Therefore, according to the cooling pipe 140, according to the control of the first and second valves (144 and 145), all of the purified raw water is supplied to only one of the cooling pipes of the first / second cooling pipes (141, 142) or the The purified water is evenly supplied to the first and second cooling tubes 141 and 142, and accordingly, the selective control such as simultaneous operation or alternating operation of the instantaneous cooler 130 enables rapid response in case of the instantaneous cooler failure. By preventing overoperation, the life of the instantaneous cooler 130 can be extended.

The plurality of cold water discharge coke 150 is a faucet coke for discharging the raw water cooled by the instantaneous cooler 130 to the outside of the main body (H), the drinking water users protrude out of the main body (H) By opening the specific cold water coke 151 by operating the levers of the plurality of cold water cokes 151, the instantaneous coolant is discharged by the instantaneous cooler 130 to allow the drinking water to drink the raw water in the cold water state. .

Here, the cold water cock 151 may be a solenoid valve for opening the cold water cock 151 to discharge the cooled raw water when the operation switch is electrically operated by the drinking water user.

The cold water discharge pipe 160 is provided between the plurality of instantaneous coolers 130 and the plurality of cold water discharge coke 150 by the instantaneous cooler 130 selectively to the plurality of cold water discharge coke 150. First and second discharge pipes 161 and 162 and the first and second discharge pipes 161 and 162 respectively connected between the plurality of instantaneous coolers 130 and the plurality of cold water discharge coke 150 to supply the cooled raw water. A third discharge pipe 163 connecting the 161 and 162 to each other, and a second discharge pipe 161 and 162 to which the third discharge pipe 163 is connected, and selectively provided to the first and second discharge pipes 161 and 162. It is provided in the first and second discharge valves 164 and 165 and the third discharge pipe 163 to supply the raw water cooled by the instantaneous cooler 130 through selective control with the first and second valves 164 and 165. It includes a third discharge valve 166 to discharge the raw water cooled by the instantaneous cooler 130.

Therefore, according to the cold water discharge pipe 160, all of the cooled raw water is supplied to only one of the discharge pipes of the first and second discharge pipes 161 and 162 under the control of the first and second discharge valves 164 and 165. Or cold water is supplied to the first and second discharge pipes 161 and 162 evenly and evenly through the selective control such as simultaneous operation or alternating operation of the cold water discharge coke 150. The use of the discharge cock 150 can be restricted.

Hereinafter, with reference to the drawings will be described the operation and effect of the large-scale drinking water for drinking water according to a preferred embodiment of the present invention.

First, when raw water is introduced through a plurality of raw water supply pipes 110 connected to the plurality of water supply pipes 10, the introduced raw water is contaminated by filtering means 120 connected to the plurality of raw water supply pipes 110. It is filtered and integer.

Thereafter, the raw water purified by the filtering means 120 is any one of the plurality of instant coolers 130 according to the valve control of the cooling tube 140 provided between the filtering means 120 and the instantaneous cooler 130, respectively. Only one of the raw water is supplied to all or evenly supplied to the plurality of instant cooler (130).

Thereafter, the raw water supplied through the cooling tube 140 by the instantaneous cooler 130 is cooled.

Here, the instantaneous cooler 130, the refrigerant sucked by the evaporator 137 is compressed and discharged at a high temperature, high pressure in accordance with the operation of the compressor 131, the refrigerant compressed by the compressor 131 is condenser 132 The refrigerant introduced into the condenser 132 is condensed and introduced into the expansion valve 133, and the refrigerant expanded by the expansion valve 133 flows into the evaporator 137 to be evaporated. At this time, since the evaporator 137 is composed of a refrigerant pipe 136 installed in a spiral shape up and down along the inner wall surface of the cooling tank 135 in which the cooling liquid 134 is accommodated, the inside of the refrigerant pipe 136 The low temperature and low pressure refrigerant circulating is heat-exchanged with the cooling solution 134, and thus the cooling solution 134 has a low temperature state. In this state, when the lever of the cold water discharge coke 150 is operated by the drinking water user, the raw water of the cooling pipe 140 passing through the inside of the cooling tank 135 exchanges heat with the cooling liquid 134. The raw water is cooled.

Thereafter, the raw water cooled by the instantaneous cooler 130 is discharged through a plurality of cold water discharges according to the valve control of the cold water discharge pipe 160 respectively provided between the plurality of instantaneous coolers 130 and the plurality of cold water discharge coke 150. The cooled raw water is all discharged only to the cold water coke 151 branched to any one of the coke 150 or evenly distributed to the cold water coke 151 of all groups of the plurality of cold water discharge coke 150.

Here, before the raw water cooled through the plurality of cold water discharge coke 150 is discharged, by the ultraviolet sterilizer 170 provided in the cold water discharge pipe 160 before the cold water discharge coke 150 is connected. It is preferable that the raw water is sterilized by ultraviolet irradiation.

Therefore, according to the present invention, a plurality of raw water supply pipes 110 are connected to the plurality of water supply pipes 10, respectively, to prevent a shortage of the water supply generated when the storage tank for storing the raw water is not provided, and through this, group water supply is possible. It can be applied to places.

In addition, a micro submersible pump 138 is provided inside the cooling tank 135 of the instantaneous cooler 130 for cooling the raw water, and the cooling liquid 134 is cooled by the micro submersible pump 138. By causing the refrigerant to be circulated to have a constant temperature, noise can be prevented.

In addition, the liquid level sensor (S) and the cooling liquid supply pipe 139 for detecting the water level of the cooling liquid 134 is provided inside the cooling tank 135, the cooling liquid of the water level sensor (S) When the natural evaporation of 134 is determined, the cooling solution 134 may be automatically replenished through the cooling solution supply pipe 139 from the outside.

In addition, the plurality of instantaneous cooler 130 is selectively controlled such as simultaneous operation or alternating operation so as to correspond to the valve control of the cooling pipe 140 for supplying the raw water, thereby enabling rapid response in case of the instantaneous cooler failure, and of course, By preventing the operation, the life of the instantaneous cooler 130 can be extended.

In addition, the raw water is sterilized by ultraviolet irradiation by the ultraviolet sterilizer 170 before the raw water cooled through the plurality of cold water discharge coke 150 is discharged, thereby preventing the growth of stagnant raw water bacteria and the like Hygiene and psychological anxiety of the large user can be minimized.

Although preferred embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may be substituted or modified in various ways without departing from the spirit or essential features of the present invention. It is to be understood that the present invention may be practiced in other specific forms, since modifications may be made. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

1 is a perspective view showing a large-capacity drinking water for drinking water according to a preferred embodiment of the present invention;

Figure 2 is a schematic diagram showing the configuration of the large-scale drinking water for drinking water of Figure 1; And

3 is a cross-sectional perspective view showing the instantaneous cooler in the large-capacity drinking water for drinking water of FIG.

* Drawing reference *

10: water supply pipe 110: raw water supply pipe

120: filtering means 130: instantaneous cooler

140: cooling tube 150: cold water discharge coke

160: cold water discharge pipe 170: ultraviolet sterilizer

210: heater 220: heating tube

230: hot water discharge coke 240: hot water discharge pipe

Claims (7)

A plurality of raw water supply pipes 110 each connected to a plurality of external water supply pipes 10 into which raw water is introduced, and a plurality of instantaneous coolers 130 respectively provided at the plurality of raw water supply pipes 110 to instantaneously cool the raw water; The cooling pipe 140 and the instantaneous cooler 130 are provided between the plurality of raw water supply pipe 110 and the plurality of instantaneous coolers 130 to selectively supply the raw water to the plurality of instantaneous coolers 130. It is provided between the plurality of cold water discharge coke 150 and the instantaneous cooler 130 and the plurality of cold water discharge coke 150 to discharge the cooled raw water to the outside to be selective to the plurality of cold water discharge coke 150. In the large-capacity drinking water for drinking water including a cold water discharge pipe 160 to supply the raw water cooled by the instantaneous cooler 130, The plurality of instantaneous cooler 130, The compressor 131 is provided inside the case to compress and discharge the refrigerant at high temperature and high pressure, a condenser 132 for condensing the refrigerant discharged from the compressor 131, and expands the refrigerant condensed in the condenser 132. Expansion valve 133, the cooling tank 135, the cooling liquid 134 is accommodated therein, and the refrigerant pipe 136 is installed in a spiral shape up and down inside the cooling tank 135, the expansion valve 133 An evaporator 137 for evaporating the expanded refrigerant in, A portion of the cooling tube 140 is accommodated inside the cooling tank 135 to include a submersible submersible pump 138 to exchange heat with the cooling liquid 134 cooled by the refrigerant tube 136. , The cooling solution 134 is circulated in the cooling tank 135 by the discharge water pressure generated from the submersible submersible pump 138 is cooled to a constant temperature by the refrigerant pipe 136 Large drinking fountain for water supply. delete delete delete delete delete delete

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