Multi-cold-source complementary cold supply system

Abstract

The utility model provides a multi-cold-source complementary cold supply system. The multi-cold-source complementary cold supply system comprises a cooling tower module; the cooling tower module is connected with the plurality of water chilling unit condenser modules and is used for circulating cooling water; the plurality of water chilling unit condenser modules are connected with the plurality of water chilling unit evaporator modules; the multiple water chilling unit evaporator modules are connected with the water supplementing module and used for supplementing circulating water. The water chilling unit evaporator module is connected with the heat exchanger module and is used for circulating cooling water; the water chilling unit evaporator module and the heat exchanger module are both connected with a user circulating water pipe and used for providing cooling water. In the first working condition, the cooling tower module independently prepares cooling water; under the second working condition, the water chilling unit evaporator module and the heat exchanger module produce cooling water together; under the third working condition, the water chilling unit evaporator module independently prepares cooling water; and the stability of cooling water supply under different working conditions is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial cooling, in particular to a multi-cold source complementary cooling system. Background Art

[0002] At present, cooling water preparation in industrial production is mainly carried out by chillers and air evaporative cooling. The cooling water produced by chillers is not affected by external factors such as weather, the cooling water temperature is controllable, and stable cooling water can be provided. The disadvantage is high power consumption and high operating cost. The air evaporative cooling cooling system is simple, energy-saving and low operating cost compared with the chiller cooling method. The disadvantage is that it is greatly affected by geographical and weather factors. The cooling water volume drops sharply in midsummer, and stable and reliable cooling water cannot be provided. The method of producing cooling water by chillers and air evaporative cooling cannot give a good balance between energy saving and stable and reliable cooling water production. Utility Model Content

[0003] The utility model provides a multi-cold source complementary cooling system, which is used to solve the problem that the cooling water preparation technology in the prior art cannot well take into account energy saving and stability and reliability.

[0004] To solve the above technical problems, the technical solution of this novel invention is as follows:

[0005] A multi-cold source complementary cooling system, comprising:

[0006] Cooling tower modules;

[0007] The cooling tower module is connected to a plurality of chiller condenser modules for circulating cooling water;

[0008] A plurality of the chiller condenser modules are connected to a plurality of chiller evaporator modules;

[0009] A plurality of the chiller evaporator modules are connected to a water replenishment module for replenishing circulating water;

[0010] The chiller evaporator module is connected to the heat exchanger module for circulating cooling water;

[0011] The chiller evaporator module and the heat exchanger module are both connected to the user's circulating water pipe to provide cooling water;

[0012] When in the first operating condition, the cooling tower module independently prepares cooling water;

[0013] When in the second working condition, the chiller evaporator module and the heat exchanger module jointly produce cooling water;

[0014] When in the third operating condition, the chiller evaporator module independently produces cooling water.

[0015] Optionally, the cooling tower module includes a cooling tower;

[0016] The cooling tower is connected to the physical and chemical full-process processor through a first pipeline;

[0017] The physicochemical full-process processor is connected to the first automatic dosing device through a second pipeline;

[0018] The water inlets of the plurality of cooling water pump devices are in communication with the second pipeline;

[0019] The water outlets of the plurality of cooling water pump devices are connected to the water inlets of the plurality of chiller condenser modules through a third pipeline;

[0020] The water outlets of the plurality of chiller condenser modules are connected to the cooling tower via a fourth pipeline.

[0021] Optionally, the cooling tower is connected to a water supply pipe through a fifth pipeline for replenishing water to the cooling tower.

[0022] Optionally, the chiller condenser module includes a plurality of chiller condensers and a sixth pipeline;

[0023] The water inlets of the plurality of chiller condensers are connected to the third pipeline through the sixth pipeline;

[0024] The sixth pipeline is provided with a first temperature detection device;

[0025] The water outlet of the chiller condenser is connected to the fourth pipeline through the seventh pipeline;

[0026] The seventh pipeline is provided with a second temperature detection device.

[0027] Optionally, the chiller evaporator module includes a plurality of chiller evaporators and an eighth pipeline;

[0028] The water inlets of the plurality of chiller evaporators are connected to the ninth pipeline through the eighth pipeline;

[0029] The eighth pipeline is provided with a third temperature detection device;

[0030] The ninth pipeline is connected to the water outlets of the plurality of chilled water pump devices;

[0031] The water inlets of the plurality of chilled water pump devices are connected to the tenth pipeline;

[0032] The tenth pipeline is connected to the air-conditioning refrigeration water supply device through the eleventh pipeline;

[0033] The eleventh pipeline is connected to the second automatic dosing device.

[0034] Optionally, the water outlet of the chiller evaporator is connected to the twelfth pipeline;

[0035] The twelfth pipeline is provided with a fourth temperature detection device;

[0036] The twelfth pipeline is connected to the thirteenth pipeline;

[0037] The thirteenth pipeline is connected to the first user water pipeline through the fourteenth pipeline.

[0038] Optionally, the water replenishment module includes an air-conditioning refrigeration water replenishment device;

[0039] The air-conditioning refrigeration water replenishment device is connected to the softening water tank through the fifteenth pipeline;

[0040] The softened water tank is connected to the softening device via a sixteenth pipeline;

[0041] The water softening device is connected to tap water via the seventeenth pipeline.

[0042] Optionally, the heat exchanger module includes a plurality of heat exchangers connected in parallel;

[0043] The water inlet of the heat exchanger is connected to the fourteenth pipeline through the eighteenth pipeline;

[0044] The water outlet of the heat exchanger is connected to the eleventh pipeline through the nineteenth pipeline;

[0045] The nineteenth pipeline is connected to the second user water pipeline through the twentieth pipeline.

[0046] Optionally, a first valve is provided at the connection between the fourteenth pipeline and the eighteenth pipeline;

[0047] The eighteenth pipeline is provided with a second valve;

[0048] The twentieth pipeline is provided with a third valve;

[0049] A fourth valve is provided at the connection between the 20th pipeline and the second user water pipeline.

[0050] Optionally, the nineteenth pipeline is sequentially provided with an air conditioning system automatic cleaning, filtering and sewage discharge device, a vacuum degasser, and an internal brush type automatic sewage discharge filter.

[0051] The above solution of the utility model includes at least the following beneficial effects:

[0052] The above scheme of the utility model includes: a cooling tower module; the cooling tower module is connected to multiple chiller condenser modules for circulating cooling water; multiple chiller condenser modules are connected to multiple chiller evaporator modules; multiple chiller evaporator modules are connected to a water replenishment module for replenishing circulating water; the chiller evaporator module is connected to a heat exchanger module for circulating cooling water; the chiller evaporator module and the heat exchanger module are both connected to the user's circulating water pipe for providing cooling water; when in the first working condition, the cooling tower module independently prepares cooling water; when in the second working condition, the first valve and the third valve are closed, the second valve and the fourth valve are opened, and the chiller evaporator module and the heat exchanger module jointly produce cooling water; when in the third working condition, the second valve and the fourth valve are closed, the first valve and the third valve are opened, and the chiller evaporator module independently produces cooling water. In this technical solution, the chiller and the cooling tower operate jointly to provide cooling water with stable temperature and ensure continuous production; the chiller can be shut down in the first operating condition to make full use of the cooling tower to prepare cooling water, saving energy; in the third operating condition, extremely high temperature weather does not affect the operation of the chiller and cooling water can be prepared normally; the stability of cooling water supply under different operating conditions is ensured, the safety and reliability of the unit operation, simple operation, energy saving, and convenient centralized management. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 This is a schematic diagram of a multi-cold source complementary cooling system of the utility model;

[0054] Figure 2 yes Figure 1 Schematic diagram of the middle A area;

[0055] Figure 3 yes Figure 1 Schematic diagram of the middle B area;

[0056] Figure 4 yes Figure 1 Schematic diagram of the middle C area;

[0057] Reference numerals

[0058] 1. Cooling tower; 2. First pipeline; 3. Physical and chemical full-process processor; 4. Second pipeline; 5. First automatic dosing device; 6. Cooling water pump device; 7. Third pipeline; 9. Fourth pipeline; 10. Fifth pipeline; 11. Water supply pipe; 12. Chiller condenser; 13. Sixth pipeline; 14. First temperature detection device; 15. Seventh pipeline; 16. Second temperature detection device; 17. Chiller evaporator; 18. Eighth pipeline; 19. Ninth pipeline; 20. Third temperature detection device; 21. Chilled water pump device; 22. Tenth pipeline; 23. Eleventh pipeline; 24. Air conditioning refrigeration water replenishment device; 25. Second automatic Dosing device; 26, twelfth pipeline; 27, fourth temperature detection device; 28, thirteenth pipeline; 29, fourteenth pipeline; 30, first user water pipeline; 31, fifteenth pipeline; 32, softening water tank; 33, sixteenth pipeline; 34, softening device; 35, seventeenth pipeline; 37, heat exchanger; 38, eighteenth pipeline; 39, nineteenth pipeline; 40, twentieth pipeline; 41, second user water pipeline; 42, first valve; 43, second valve; 44, third valve; 45, fourth valve; 46, automatic cleaning, filtering and sewage discharge device of air conditioning system; 47, vacuum degasser; 48, internal brush type automatic sewage discharge filter. DETAILED DESCRIPTION

[0059] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0060] like Figures 1 to 4 As shown, the embodiment of the utility model provides a multi-cold source complementary cooling system, comprising:

[0061] Cooling tower modules;

[0062] The cooling tower module is connected to a plurality of chiller condenser modules for circulating cooling water;

[0063] A plurality of the chiller condenser modules are connected to a plurality of chiller evaporator modules;

[0064] A plurality of the chiller evaporator modules are connected to a water replenishment module for replenishing circulating water;

[0065] The chiller evaporator module is connected to the heat exchanger module for circulating cooling water;

[0066] The chiller evaporator module and the heat exchanger module are both connected to the user's circulating water pipe to provide cooling water;

[0067] When in the first operating condition, the cooling tower module independently prepares cooling water;

[0068] When in the second working condition, the chiller evaporator module and the heat exchanger module jointly produce cooling water;

[0069] When in the third operating condition, the chiller evaporator module independently produces cooling water.

[0070] In this embodiment, the cooling tower module includes a cooling tower 1, which is connected to a plurality of chiller condenser modules for circulating cooling water; the cooling tower 1 is a device that uses water as a circulating coolant to absorb heat from the system and discharge it into the atmosphere to reduce the water temperature; the cooling is an evaporative heat dissipation device that uses the principles of evaporative heat dissipation, convection heat transfer and radiation heat transfer to dissipate the waste heat generated in industry or refrigeration and air conditioning to reduce the water temperature by using water as a circulating coolant and heat exchange after contacting the air flow, and the steam evaporates and takes away the heat to achieve evaporative heat dissipation, convection heat transfer and radiation heat transfer to dissipate the waste heat generated in industry or refrigeration and air conditioning to reduce the water temperature to ensure the normal operation of the system. The device is generally barrel-shaped, and the cooling tower 1 can be set outdoors. The cooling water of the chiller flows out of the outdoor cooling tower 1 and flows through the physicochemical full-process processor 3. The physicochemical full-process processor is a product for circulating water treatment. It completely solves the problem of suspended matter left over from the previous dosing method and the problem that the physical treatment method is not obvious through comprehensive treatment of the water system, and can effectively prevent scaling, corrosion, biological slime and suspended matter blockage that often occur in the water system.

[0071] The cooling water flows through the physical and chemical full-process processor 3 through the vertical cooling water pump to the chiller condenser module, and after cooling, it flows back to the cooling tower from the chiller condenser module;

[0072] A plurality of the chiller evaporator modules are connected to the water replenishment module for replenishing circulating water; during water replenishment, tap water flows through the fully automatic water softening device, the softening water tank, the air conditioning chilled water replenishment device, and is connected to the vertical chilled water pump suction port;

[0073] The chiller evaporator module is connected to the heat exchanger module for circulating cooling water;

[0074] The chiller evaporator module and the heat exchanger module are both connected to the user's circulating water pipe to provide cooling water;

[0075] When in the first operating condition, i.e. the temperature is below zero degrees Celsius, the cooling tower module independently prepares cooling water;

[0076] When in the second operating condition, that is, the temperature range is between 0 degrees Celsius and 28 degrees Celsius: the first valve 42 and the third valve 44 are closed, the second valve 43 and the fourth valve 45 are opened, and the chilled water is emitted from the chiller evaporator 17, flows through the heat exchanger 37, the air conditioning system automatic cleaning filter and sewage discharge device 46, the vacuum degasser 47, the internal brush type automatic sewage discharge filter 48, the chilled water pump device 17, and returns to the chiller evaporator 17.

[0077] When in the third operating condition, that is, the high temperature is above 28°C, the second valve 43 and the fourth valve 45 are closed, the first valve 42 and the third valve 44 are opened, and the chilled water is sent out from the chiller evaporator 17 to the user. The user's return water flows through the air-conditioning system automatic cleaning filter and sewage discharge device 46 and the chilled water pump device 17 and returns to the chiller evaporator 17.

[0078] The chiller and cooling tower operate jointly to provide cooling water with stable temperature and ensure continuous production; the chiller can be shut down in the first operating condition to make full use of the cooling tower to prepare cooling water, saving energy; in the third operating condition, extremely high temperature weather does not affect the operation of the chiller and cooling water can be prepared normally; the stability of cooling water supply under different operating conditions is guaranteed, the safety and reliability of the unit operation, easy operation, energy saving, and convenient centralized management.

[0079] In an optional embodiment of the utility model, the cooling tower module comprises a cooling tower 1;

[0080] The cooling tower 1 is connected to the physical and chemical full-process processor 3 through the first pipeline 2;

[0081] The physicochemical full-process processor 3 is connected to the first automatic dosing device 5 through the second pipeline 4;

[0082] The water inlets of the plurality of cooling water pump devices 6 are in communication with the second pipeline 4;

[0083] The water outlets of the plurality of cooling water pump devices 6 are connected to the water inlets of the plurality of chiller condenser modules through the third pipeline 7;

[0084] The water outlets of the plurality of chiller condenser modules are connected to the cooling tower 1 via a fourth pipeline 9 .

[0085] In this embodiment, the cooling tower 1 can be provided with a drain switch to facilitate the discharge of excess water from the cooling tower. A switch is provided at the connection between the cooling tower and the first pipeline 2. The cooling tower 1 is connected to the physical and chemical full-process processor 3 through the first pipeline 2. The diameter of the first pipeline 2 can be selected as DN400. A drain switch can be provided in the first pipeline 2 to facilitate the discharge of excess water.

[0086] The physicochemical full-process processor 3 is connected to the first automatic dosing device 5 through the second pipeline 4; the second pipeline 4 can select a cooling water supply pipe DN400, and the dosing device is mainly composed of a solution tank, a stirrer, a metering pump, a liquid level meter, an electric control cabinet, a pipeline, a valve, a Y-type filter, etc. The dosing device is configured in the stirring box according to the required concentration of the agent, and after being stirred evenly by the stirrer, it is put into the solution tank, and the prepared solution is transported to the dosing point or the designated system by the metering pump;

[0087] The principle of the cooling water dosing device is to add an appropriate amount of chemical agents to the cooling water system to achieve the treatment and optimization of the cooling water. The cooling water dosing device can add corrosion inhibitors to form a protective film covering the metal surface to prevent the metal from contacting with corrosive substances such as oxygen and carbon dioxide in the water, thereby reducing the occurrence of metal corrosion; hardness substances (such as calcium and magnesium ions) present in the cooling water will crystallize and precipitate during the heating process to form scale; the dosing device can add corrosion inhibitors, chelating agents, etc., which combine with hardness substances to prevent their crystallization and precipitation and reduce the formation of scale; the cooling water system is prone to breeding bacteria , algae and other microorganisms. The dosing device can add bactericides, preservatives, etc. to inhibit the growth and reproduction of microorganisms and prevent biological pollution and problems caused by microorganisms, such as odor, blockage, etc. The pH value of cooling water affects the stability and corrosiveness of the system. The dosing device can add pH regulators to adjust the acid-base balance of cooling water, maintain an appropriate pH range, and improve the stability and corrosion resistance of water. The dissolved oxygen in cooling water can cause corrosion problems. The dosing device can add oxidants, such as nitrites, hypochlorites, etc., to react the oxidants with dissolved oxygen to reduce the corrosive effect of oxygen on metals.

[0088] The water inlets of the plurality of cooling water pump devices 6 are in communication with the second pipeline 4;

[0089] The cooling water pump device 6 is connected by a DN300 pipe and a vertical cooling water pump. Switches, pressure gauges and other pipe fittings are provided at the connection points on both sides of the vertical cooling water pump and the DN300 pipe.

[0090] The water outlets of the plurality of cooling water pump devices 6 are connected to the water inlets of the plurality of chiller condenser modules through the third pipeline 7, and the third pipeline 7 is a cooling water supply pipe DN400;

[0091] The third pipeline 7 is connected to the chiller condenser through a DN300 pipe, and the DN300 pipe is provided with pipe fittings;

[0092] The water outlets of the plurality of chiller condenser modules are connected to the cooling tower 1 via a fourth pipeline 9 .

[0093] The chiller condenser is connected to the fourth pipeline 9 through a DN300 pipeline, and the fourth pipeline 9 is a cooling return pipe DN400 pipeline.

[0094] In an optional embodiment of the present invention, the cooling tower 1 is connected to a water supply pipe 11 through a fifth pipeline 10 for replenishing water to the cooling tower 1 .

[0095] In this embodiment, the cooling tower 1 is connected to the water supply pipe 11 through the fifth pipeline 10 for replenishing water to the cooling tower 1 . The diameter of the fifth pipeline 10 may be DN100, and a corresponding switch device is provided in the fifth pipeline 10 .

[0096] In an optional embodiment of the utility model, the chiller condenser module includes a plurality of chiller condensers 12 and a sixth pipeline 13;

[0097] The water inlets of the plurality of chiller condensers 12 are connected to the third pipeline 7 through the sixth pipeline 13;

[0098] The sixth pipeline 13 is provided with a first temperature detection device 14;

[0099] The water outlet of the chiller condenser 12 is connected to the fourth pipeline 9 through the seventh pipeline 15;

[0100] The seventh pipeline 15 is provided with a second temperature detection device 16 .

[0101] In this embodiment, the chiller condenser module includes a plurality of chiller condensers 12 and a sixth pipeline 13;

[0102] The water inlets of the plurality of chiller condensers 12 are connected to the third pipeline 7 through the sixth pipeline 13. The diameter of the sixth pipeline 13 is DN300. The sixth pipeline 13 is provided with pipe fittings such as a pressure gauge and a flow meter.

[0103] The sixth pipeline 13 is provided with a first temperature detection device 14 for measuring the inlet water temperature;

[0104] The water outlet of the chiller condenser 12 is connected to the fourth pipeline 9 through the seventh pipeline 15;

[0105] The diameter of the seventh pipeline 15 is DN300, and the seventh pipeline 15 is provided with pipe fittings such as a pressure gauge and a flow meter;

[0106] The seventh pipeline 15 is provided with a second temperature detection device 16 for measuring the outlet water temperature.

[0107] In an optional embodiment of the utility model, the chiller evaporator module includes a plurality of chiller evaporators 17 and an eighth pipeline 18;

[0108] The water inlets of the plurality of chiller evaporators 17 are connected to the ninth pipeline 19 through the eighth pipeline 18;

[0109] The eighth pipeline 18 is provided with a third temperature detection device 20;

[0110] The ninth pipeline 19 is connected to the water outlets of multiple chilled water pump devices 21;

[0111] The water inlets of the plurality of chilled water pump devices 21 are connected to the tenth pipeline 22;

[0112] The tenth pipeline 22 is connected to the air-conditioning refrigeration water supply device 24 through the eleventh pipeline 23;

[0113] The eleventh pipeline 23 is connected to the second automatic dosing device 25 .

[0114] In this embodiment, the evaporator of the chiller is an important component in the refrigeration system. Its function is to allow the liquid refrigerant to absorb the heat of the cooled environment medium at a relatively low temperature and evaporate into steam, thereby reducing the temperature of the cooled object or space or maintaining its low temperature. In the refrigeration cycle, the evaporator is located on the low-pressure side of the compressor. After the refrigerant passes through the expansion valve to reduce the pressure inside the evaporator, it changes from liquid to gas, absorbs the surrounding heat, and then is compressed again by the compressor and returns to the condenser for condensation, completing a complete refrigeration cycle.

[0115] The water inlets of the plurality of chiller evaporators 17 are connected to the ninth pipeline 19 through the eighth pipeline 18; the diameter of the eighth pipeline 18 is DN300, the diameter of the ninth pipeline 19 is DN600, and the eighth pipeline 18 is provided with pipe fittings such as a pressure gauge and a flow meter;

[0116] The eighth pipeline 18 is provided with a third temperature detection device 20 for measuring the inlet water temperature;

[0117] The ninth pipeline 19 is connected to the water outlets of the plurality of chilled water pump devices 21;

[0118] The water inlets of the plurality of chilled water pump devices 21 are connected to the tenth pipeline 22; the diameter of the tenth pipeline 22 is DN400;

[0119] The tenth pipeline 22 is connected to the air conditioning refrigeration water supply device 24 through the eleventh pipeline 23, and the diameter of the eleventh pipeline 23 is DN100;

[0120] The eleventh pipeline 23 is connected to the second automatic dosing device 25 and is used to adjust the water quality in this cycle.

[0121] In an optional embodiment of the utility model, the water outlet of the chiller evaporator 17 is connected to the twelfth pipeline 26;

[0122] The twelfth pipeline 26 is provided with a fourth temperature detection device 27;

[0123] The twelfth pipeline 26 is connected to the thirteenth pipeline 28;

[0124] The thirteenth pipeline 28 is connected to the first user water pipeline 30 through the fourteenth pipeline 29 .

[0125] In this embodiment, the water outlet of the chiller evaporator 17 is connected to the twelfth pipeline 26; the diameter of the twelfth pipeline 26 is DN300;

[0126] The twelfth pipeline 26 is provided with a fourth temperature detection device 27 for detecting the outlet water temperature of the evaporator;

[0127] The twelfth pipeline 26 is connected to the thirteenth pipeline 28, and the diameter of the thirteenth pipeline 28 is DN400;

[0128] The thirteenth pipeline 28 is connected to the first user water pipeline 30 through the fourteenth pipeline 29, and the diameter of the fourteenth pipeline 29 is DN600.

[0129] In an optional embodiment of the present utility model, the water replenishment module includes an air-conditioning refrigeration water replenishment device 24;

[0130] The air conditioning refrigeration water replenishment device 24 is connected to the softening water tank 32 through the fifteenth pipeline 31;

[0131] The softened water tank 32 is connected to the softening device 34 via a sixteenth pipe 33;

[0132] The water softening device 34 is connected to tap water via a seventeenth pipeline 35 .

[0133] In this embodiment, the water replenishment module includes an air conditioning refrigeration water replenishment device 24; the air conditioning refrigeration water replenishment device 24 is connected to a softening water tank 32 through a fifteenth pipeline 31, the diameter of the fifteenth pipeline 31 is DN100, and the softening water tank is provided with a ventilation pipe;

[0134] The softened water tank 32 is connected to the water softening device 34 through the sixteenth pipeline 33. The diameter of the sixteenth pipeline 33 is DN100. The water softening device 34 includes a salt tank, a resin tank and a salt absorption hose.

[0135] The water softening device 34 is connected to tap water through the seventeenth pipeline 35 and is provided with an anti-fouling separator. The diameter of the seventeenth pipeline 35 is DN100, and the seventeenth pipeline 35 is provided with a water replenishment flow device;

[0136] When replenishing water, the tap water flows through the fully automatic water softening device, the softened water tank, the air-conditioning chilled water replenishing device, and is connected to the suction port of the vertical chilled water pump.

[0137] In an optional embodiment of the present utility model, the heat exchanger module includes a plurality of heat exchangers 37 connected in parallel;

[0138] The water inlet of the heat exchanger 37 is connected to the fourteenth pipeline 29 through the eighteenth pipeline 38;

[0139] The water outlet of the heat exchanger 37 is connected to the eleventh pipeline 23 through the nineteenth pipeline 39;

[0140] The nineteenth pipeline 39 is connected to the second user water pipeline 41 through the twentieth pipeline 40 .

[0141] In this embodiment, the heat exchanger 37 may be a plate heat exchanger, which is a high-efficiency heat exchanger formed by stacking a series of metal sheets with a certain corrugated shape; thin rectangular channels are formed between various plates, and heat exchange is carried out through the plates; the plate heat exchanger is an ideal device for liquid-liquid and liquid-steam heat exchange. The water inlet of the heat exchanger 37 is connected to the fourteenth pipeline 29 through the eighteenth pipeline 38, and the diameter of the eighteenth pipeline 38 is DN600;

[0142] The water outlet of the heat exchanger 37 is connected to the eleventh pipeline 23 through the nineteenth pipeline 39, and the diameter of the nineteenth pipeline 39 is DN600;

[0143] The nineteenth pipeline 39 is connected to the second user water pipeline 41 through the twentieth pipeline 40, and the diameter of the twentieth pipeline 40 is DN600.

[0144] In an optional embodiment of the present utility model, a first valve 42 is provided at the connection between the fourteenth pipeline 29 and the eighteenth pipeline 38;

[0145] The eighteenth pipeline 38 is provided with a second valve 43;

[0146] The twentieth pipeline 40 is provided with a third valve 44;

[0147] A fourth valve 45 is provided at the connection between the 20th pipeline 40 and the second user water pipeline 41 .

[0148] In this embodiment, when in the second operating condition, that is, the temperature range is between 0 degrees Celsius and 28 degrees Celsius: close the first valve 42 of T1 and the third valve 44 of T3, open the second valve 43 of T2 and the fourth valve 45 of T4, and the chilled water is emitted from the evaporator 17 of the chiller, flows through the heat exchanger 37, the automatic cleaning, filtering and draining device 46 of the air conditioning system, the vacuum degasser 47, the internal brush type automatic draining filter 48, and the chilled water pump device 21, and circulates back to the evaporator 17 of the chiller.

[0149] When in the third operating condition, that is, the high temperature is above 28°C, close the second valve 43 of T2 and the fourth valve 45 of T4, open the first valve 42 of T1 and the third valve 44 of T3, and the chilled water is sent out from the evaporator 17 of the chiller to the user. The return water of the user flows through the automatic cleaning, filtering and sewage discharge device 46 and the chilled water pump device 21 of the air-conditioning system and returns to the evaporator 17 of the chiller.

[0150] In an optional embodiment of the utility model, the nineteenth pipeline 39 is provided with an automatic cleaning, filtering and sewage discharge device 46 for the air conditioning system, a vacuum degasser 47 and an internal brush type automatic sewage discharge filter 48 in sequence.

[0151] In this embodiment, the automatic cleaning, filtering and sewage discharge device 46 of the air-conditioning system is used to discharge sewage generated during the operation of the system, remove air (oxygen) in the slurry, inhibit the oxidation of browning, pigments, vitamins, aroma components and other substances, and prevent quality degradation; the vacuum degasser 47 is used to remove suspended particulate gas attached to the slurry, inhibit the floating of particles, and maintain a good appearance; prevent bubbling during canning and high-temperature sterilization that affects sterilization; reduce corrosion to the inner wall of the container and play an anti-corrosion role; the internal brush type automatic sewage discharge filter 48 is used to filter out solid particles and impurities in the water body to ensure that its subsequent or terminal equipment can operate smoothly.

[0152] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A multi-cold source complementary cooling system, characterized in that: include: Cooling tower modules; The cooling tower module is connected to a plurality of chiller condenser modules for circulating cooling water; A plurality of the chiller condenser modules are connected to a plurality of chiller evaporator modules; A plurality of the chiller evaporator modules are connected to a water replenishment module for replenishing circulating water; The chiller evaporator module is connected to the heat exchanger module for circulating cooling water; The chiller evaporator module and the heat exchanger module are both connected to the user's circulating water pipe to provide cooling water; When in the first operating condition, the cooling tower module independently prepares cooling water; When in the second working condition, the chiller evaporator module and the heat exchanger module jointly produce cooling water; When in the third operating condition, the chiller evaporator module independently produces cooling water.

2. The multi-cold source complementary cooling system according to claim 1, characterized in that: The cooling tower module comprises a cooling tower (1); The cooling tower (1) is connected to the physicochemical full-process processor (3) via a first pipeline (2); The physicochemical full-process processor (3) is connected to the first automatic dosing device (5) via a second pipeline (4); The water inlets of a plurality of cooling water pump devices (6) are in communication with the second pipeline (4); The water outlets of the plurality of cooling water pump devices (6) are connected to the water inlets of the plurality of chiller condenser modules via a third pipeline (7); The water outlets of the plurality of chiller condenser modules are connected to the cooling tower (1) via a fourth pipeline (9).

3. The multi-cold source complementary cooling system according to claim 2, characterized in that: The cooling tower (1) is connected to a water supply pipe (11) via a fifth pipeline (10) for replenishing water to the cooling tower (1).

4. The multi-cold source complementary cooling system according to claim 2, characterized in that: The chiller condenser module comprises a plurality of chiller condensers (12) and a sixth pipeline (13); The water inlets of the plurality of chiller condensers (12) are connected to the third pipeline (7) via the sixth pipeline (13); The sixth pipeline (13) is provided with a first temperature detection device (14); The water outlet of the chiller condenser (12) is connected to the fourth pipeline (9) via a seventh pipeline (15); The seventh pipeline (15) is provided with a second temperature detection device (16).

5. The multi-cold source complementary cooling system according to claim 1, characterized in that: The chiller evaporator module comprises a plurality of chiller evaporators (17) and an eighth pipeline (18); The water inlets of the plurality of chiller evaporators (17) are connected to the ninth pipeline (19) via the eighth pipeline (18); The eighth pipeline (18) is provided with a third temperature detection device (20); The ninth pipeline (19) is connected to the water outlets of a plurality of chilled water pump devices (21); The water inlets of the plurality of freezing water pump devices (21) are in communication with the tenth pipeline (22); The tenth pipeline (22) is connected to the air-conditioning refrigeration water supply device (24) through the eleventh pipeline (23); The eleventh pipeline (23) is connected to the second automatic dosing device (25).

6. The multi-cold source complementary cooling system according to claim 5, characterized in that: The water outlet of the chiller evaporator (17) is in communication with the twelfth pipeline (26); The twelfth pipeline (26) is provided with a fourth temperature detection device (27); The twelfth pipeline (26) is in communication with the thirteenth pipeline (28); The thirteenth pipeline (28) is connected to the first user water pipeline (30) via the fourteenth pipeline (29).

7. The multi-cold source complementary cooling system according to claim 1, characterized in that: The water replenishment module comprises an air-conditioning refrigeration water replenishment device (24); The air-conditioning refrigeration water replenishing device (24) is connected to the softening water tank (32) via a fifteenth pipeline (31); The softened water tank (32) is connected to the softening device (34) via a sixteenth pipeline (33); The water softening device (34) is connected to tap water via a seventeenth pipeline (35).

8. The multi-cold source complementary cooling system according to claim 1, characterized in that: The heat exchanger module comprises a plurality of heat exchangers (37) connected in parallel; The water inlet of the heat exchanger (37) is connected to the fourteenth pipeline (29) through the eighteenth pipeline (38); The water outlet of the heat exchanger (37) is connected to the eleventh pipeline (23) via the nineteenth pipeline (39); The nineteenth pipeline (39) is connected to the second user water pipeline (41) via the twentieth pipeline (40).

9. The multi-cold source complementary cooling system according to claim 8, characterized in that: A first valve (42) is provided at the connection between the fourteenth pipeline (29) and the eighteenth pipeline (38); The eighteenth pipeline (38) is provided with a second valve (43); The twentieth pipeline (40) is provided with a third valve (44); A fourth valve (45) is provided at the connection between the twentieth pipeline (40) and the second user water pipeline (41).

10. The multi-cold source complementary cooling system according to claim 8, characterized in that: The nineteenth pipeline (39) is provided with an automatic cleaning, filtering and sewage discharge device (46) for the air conditioning system, a vacuum degasser (47), and an internal brush type automatic sewage discharge filter (48) in sequence.

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