High-efficiency heat exchange tower of cold and hot type screw heat pump

By installing baffles, cooling pipes, and spray pipes inside the screw heat pump heat exchange tower, the problem of small contact area between hot water and cold source is solved, achieving sufficient cooling of hot water and improved efficiency.

CN223856207UActive Publication Date: 2026-01-30HEBEI ZHONGKE ZHENGQI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520264131.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-30
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In existing screw heat pump heat exchange towers, the contact area between hot water and cold source is small and the contact time is short, resulting in poor heat exchange performance.

Method used

A high-efficiency heat exchange tower for cold and hot screw heat pumps was designed. By setting up structures such as baffles, cooling pipes, spray pipes and water distributors inside the heat exchange tower, the contact area and contact time between hot water and cold source are increased, and a PLC controller is used for real-time detection and adjustment.

Benefits of technology

It improves heat exchange efficiency, achieves thorough cooling of hot water, reduces manual intervention, and enhances the efficiency of the cooling tower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat exchange towers, and discloses a cold and hot type screw heat pump efficient heat exchange tower which comprises a screw heat pump and an installation frame, a heat exchange tower is fixedly installed on the upper portion of the installation frame, a connecting channel is fixedly installed on the outer side of the heat exchange tower, a cold water tank is installed on the outer side of the heat exchange tower, and a cooling water pump is installed on the outer side of the cold water tank. A cooling pipe is connected to the outer side of the cooling water pump, a cooling bin is installed in the heat exchange tower, a partition plate is installed in the cooling bin, filler is installed in the heat exchange tower, a circulating water tank is installed on the lower portion of the heat exchange tower, a circulating water pump is installed on the outer side of the circulating water tank, and a spraying pipe is installed in the heat exchange tower. The heat exchange tower, the connecting channel, the cold water tank, the cooling water pump, the cooling bin, the partition plate, the cooling pipe, the water distributor, the filler, the circulating water tank, the circulating water pump, the second connecting pipe and the spraying pipe are arranged in a matched mode, so that the contact area and contact time of hot water and a cold source can be increased, and the heat exchange effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange tower technical field, concretely is a cold and hot type screw rod heat pump high -efficient heat exchange tower. BACKGROUND

[0002] Heat exchange tower is a kind of equipment for heat exchange, is widely used in air conditioning system, industrial production circulating water cooling etc. It is cooled by the water that has been improved temperature in production, then is recycled, to improve the economic benefit of system, heat tower has multiple types, and the most common is cooling tower. Often cooperate screw rod heat pump and use, cooling tower utilizes natural ventilation or mechanical ventilation method, carries out heat exchange with water and air, to reduce the temperature of water.

[0003] Screw rod heat pump hot water falls directly after entering heat exchange tower, does not carry out the obstruction to hot water, causes hot water to not carry out the contact with cold source sufficiently, and simultaneously contact area also reduces, and then will reduce the effect of heat exchange, reduces the cooling capacity of heat exchange tower. UTILITY MODEL CONTENTS

[0004] (One) the technical problem solved

[0005] The utility model provides a cold and hot type screw rod heat pump high -efficient heat exchange tower according to the deficiency of prior art, has the advantages of the contact area and the time of hot water and cold source can be increased, the effect of heat exchange is improved, solves the problem raised in the above background art.

[0006] (Two) technical scheme

[0007] To achieve the above object, the following technical scheme is provided: a cold and hot type screw rod heat pump high -efficient heat exchange tower, including screw rod heat pump, mounting frame, the upper portion of mounting frame is fixedly installed with heat exchange tower, the outer side of heat exchange tower is fixedly installed with connecting channel, the outer side of heat exchange tower is installed with cold water tank, the outer side of cold water tank is installed with cooling water pump, the outer side of cooling water pump is connected with cooling pipe, the inside of heat exchange tower is installed with cooling bin, the inside of cooling bin is installed with baffle, the inside of heat exchange tower is installed with filler, the lower portion of heat exchange tower is installed with circulating water tank, the outer side of circulating water tank is installed with circulating water pump, the inside of heat exchange tower is installed with spray pipe, and the first connecting pipe is connected between screw rod heat pump and heat exchange tower.

[0008] Preferably, the cooling pipe is evenly laid and installed on the two sides of the baffle, the end of the cooling pipe away from the cooling water pump is in communication with the inside of the cold water tank, the side of the cooling bin away from the screw rod heat pump is provided with a drain port, and the inside of the heat exchange tower is installed with a water distributor.

[0009] Preferably, the outer side of the circulating water pump is communicated with a second connecting pipe, the upper end of the second connecting pipe is in communication with the spray pipe, and the inside of the heat exchange tower is installed with an air outlet plate.

[0010] Preferably, the upper part of the heat exchange tower is provided with an air outlet, and a cyclone fan is arranged in the air outlet.

[0011] Preferably, the lower part of the heat exchange tower is provided with a water outlet pipe, and a temperature sensor is arranged in the lower part of the heat exchange tower, a flow sensor is arranged outside the water outlet pipe, and a PLC controller is fixedly arranged outside the heat exchange tower and electrically connected with the temperature sensor and the flow sensor.

[0012] Preferably, the lower end of the water outlet pipe is connected with a third connecting pipe, and the lower end of the third connecting pipe is communicated with the inside of the circulating water tank.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the cold and hot screw heat pump high-efficiency heat exchange tower has the following beneficial effects:

[0015] 1. The cold and hot screw heat pump high-efficiency heat exchange tower, the cooperation of the heat exchange tower, the connecting channel, the cold water tank, the cooling water pump, the first connecting pipe, the cooling bin, the partition plate, the cooling pipe, the water distributor, the filler, the circulating water tank, the circulating water pump, the second connecting pipe, the spraying pipe and the air outlet plate can increase the contact area and the contact time of hot water and cold source, and improve the heat exchange effect.

[0016] 2. The cold and hot screw heat pump high-efficiency heat exchange tower, through the cooperation of the water outlet pipe, the temperature sensor, the flow sensor, the third connecting pipe and the PLC controller, real-time detection and adjustment can be realized, manual intervention can be reduced, and hot water can be fully cooled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the heat exchange tower cross-section structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cooling bin cross-section structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the main structure of the utility model.

[0021] In the diagram: 1. Screw heat pump; 2. Mounting bracket; 3. Heat exchange tower; 4. Connecting channel; 5. Cold water tank; 6. Cooling water pump; 7. First connecting pipe; 8. Cooling chamber; 9. Baffle plate; 10. Cooling pipe; 11. Water distributor; 12. Packing material; 13. Circulating water tank; 14. Circulating water pump; 15. Second connecting pipe; 16. Spray pipe; 17. Air outlet plate; 18. Air outlet; 19. Water outlet pipe; 20. Temperature sensor; 21. Flow sensor; 22. Third connecting pipe; 23. PLC controller. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. Obviously, the described embodiments are only some embodiments, not all embodiments. Based on the embodiments described, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection.

[0023] Example 1:

[0024] Please see Figures 1-4 A high-efficiency heat exchange tower for cold and hot screw heat pumps includes a screw heat pump 1, a mounting frame 2, a heat exchange tower 3 fixedly mounted on the upper part of the mounting frame 2, a connecting channel 4 fixedly mounted on the outer side of the heat exchange tower 3, a cold water tank 5 mounted on the outer side of the heat exchange tower 3, a cooling water pump 6 mounted on the outer side of the cold water tank 5, a cooling pipe 10 connected to the outer side of the cooling water pump 6, a cooling chamber 8 mounted inside the heat exchange tower 3, a partition 9 mounted inside the cooling chamber 8, packing material 12 mounted inside the heat exchange tower 3, a circulating water tank 13 mounted at the lower part of the heat exchange tower 3, a circulating water pump 14 mounted on the outer side of the circulating water tank 13, a spray pipe 16 mounted inside the heat exchange tower 3, and a first connecting pipe 7 connecting the screw heat pump 1 and the heat exchange tower 3.

[0025] Specifically, such as Figure 3 As shown, the cooling chamber 8 has five sets of partitions 9, and the first connecting pipe 7 is interconnected with the cooling chamber 8. The five sets of partitions 9 are staggered in pairs, so that when water enters, it flows in an S-shape, which increases the contact time between the hot water and the cooling pipes 10 on the partitions 9. The cold water tank 5 is a CW5200 model and is equipped with a compressor to cool the water.

[0026] Preferably, the cooling pipes 10 are evenly laid on both sides of the partition plate 9, and the end of the cooling pipe 10 away from the cooling water pump 6 is connected to the inside of the cold water tank 5. The cooling chamber 8 is provided with a drain outlet on the side away from the screw heat pump 1, and a water distributor 11 is installed inside the heat exchange tower 3.

[0027] Specifically, cooling pipes 10 are installed on both sides of each partition 9 to further increase the contact area with hot water, such as... Figure 1As shown, the water distributor 11 is arranged between the cooling bin 8 and the filler 12, and the hot water is evenly sprayed on the filler 12 through the water distributor 11.

[0028] Preferably, the outer side of the circulating water pump 14 is communicated with the second connecting pipe 15, the upper end of the second connecting pipe 15 is communicated with the spraying pipe 16, and the inside of the heat exchange tower 3 is provided with the air outlet plate 17.

[0029] Specifically, the air outlet plate 17 is arranged to prevent the hot water from overflowing, and the hot air rises from the holes of the air outlet plate 17, and the spraying pipe 16 is arranged below the water distributor 11.

[0030] Preferably, the upper part of the heat exchange tower 3 is provided with the air outlet 18, and the inside of the air outlet 18 is provided with the cyclone fan 24.

[0031] Specifically, the cyclone fan 24 can suck the hot air in the tower and discharge it upward.

[0032] Working principle: the hot water generated by the screw heat pump 1 enters the heat exchange tower 3 through the first connecting pipe 7, then the cooling water pump 6 sucks the cold water in the cooling water tank 5 into the cooling pipe 10, and the hot water flows in the cooling bin 8 in an S shape under the blockage of the partition plate 9, which can increase the contact time of the hot water and the cooling pipe 10, and the cooling pipe 10 is also S-shaped and arranged on both sides of the partition plate 9, which can make the hot water and the cooling pipe 10 fully contact, then the hot water flows downward through the drain, and then the water is evenly sprayed downward through the water distributor 11, the circulating water pump 14 sucks the water in the circulating water tank 13 and sprays it downward, and the hot water passes through the two layers of filler 12, the water flow slows down, and the hot water is further cooled, so as to increase the contact area and time of the hot water and the cold source, and improve the heat exchange effect.

[0033] Embodiment 2:

[0034] Please refer to Figures 1-4 The lower part of the heat exchange tower 3 is provided with the water outlet pipe 19, the lower part of the heat exchange tower 3 is provided with the temperature sensor 20, the outer side of the water outlet pipe 19 is provided with the flow sensor 21, the outer side of the heat exchange tower 3 is fixedly provided with the PLC controller 23, and the PLC controller 23 is electrically connected with the temperature sensor 20 and the flow sensor 21.

[0035] Specifically, the temperature sensor 20 is of WZC-201 type, and the flow sensor 21 is of FD-V70A type.

[0036] Preferably, the lower end of the water outlet pipe 19 is connected with the third connecting pipe 22, and the lower end of the third connecting pipe 22 is communicated with the inside of the circulating water tank 13.

[0037] Specifically: the outer side of the water outlet pipe 19 and the third connecting pipe 22 are both installed with electromagnetic control valves, and the electromagnetic control valves are electrically connected with the PLC controller 23.

[0038] Working principle: the cooled water is discharged outward through the water outlet pipe 19, and when being discharged, the temperature sensor 20 detects the water temperature, when the water temperature is cooled to the set temperature, the electromagnetic control valve on the water outlet pipe 19 is opened, and the water is discharged, but when the water temperature is too high, the electromagnetic control valve on the third connecting pipe 22 is opened, and the water flows into the circulating water tank 13, then cooperating with the setting of the circulating water pump 14 and the second connecting pipe 15, the hot water can be circulated and cooled, so that real-time detection and adjustment can be realized, the manual intervention can be reduced, and the hot water can be fully cooled.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cold and heat type screw heat pump high-efficiency heat exchange tower, comprising a screw heat pump (1) and a mounting frame (2), characterized in that: The upper part of the mounting frame (2) is fixedly installed with a heat exchange tower (3), the outer side of the heat exchange tower (3) is fixedly installed with a connecting channel (4), the outer side of the heat exchange tower (3) is installed with a cold water tank (5), the outer side of the cold water tank (5) is installed with a cooling water pump (6), the outer side of the cooling water pump (6) is connected with a cooling pipe (10), the inside of the heat exchange tower (3) is installed with a cooling bin (8), the inside of the cooling bin (8) is installed with a partition plate (9), the inside of the heat exchange tower (3) is installed with a filler (12), the lower part of the heat exchange tower (3) is installed with a circulating water tank (13), the outer side of the circulating water tank (13) is installed with a circulating water pump (14), the inside of the heat exchange tower (3) is installed with a spray pipe (16), and the screw heat pump (1) and the heat exchange tower (3) are connected with a first connecting pipe (7).

2. The cold-heat type screw heat pump high-efficiency heat exchange tower according to claim 1, characterized in that: The cooling pipes (10) are uniformly laid on both sides of the partition plate (9), one end of the cooling pipe (10) away from the cooling water pump (6) is in communication with the inside of the cold water tank (5), the side of the cooling bin (8) away from the screw heat pump (1) is provided with a drain port, and the inside of the heat exchange tower (3) is installed with a water distributor (11).

3. The cold-heat type screw heat pump high-efficiency heat exchange tower according to claim 1, characterized in that: The outer side of the circulating water pump (14) is in communication with a second connecting pipe (15), the upper end of the second connecting pipe (15) and the spray pipe (16) are in communication with each other, and the inside of the heat exchange tower (3) is installed with an air outlet plate (17).

4. The cold-heat type screw heat pump high-efficiency heat exchange tower according to claim 1, characterized in that: The upper part of the heat exchange tower (3) is installed with an air outlet (18), and the inside of the air outlet (18) is installed with a cyclone fan (24).

5. The cold-heat type screw heat pump high-efficiency heat exchange tower according to claim 1, characterized in that: The lower part of the heat exchange tower (3) is installed with a water outlet pipe (19), the lower part of the heat exchange tower (3) is installed with a temperature sensor (20), the outer side of the water outlet pipe (19) is installed with a flow sensor (21), the outer side of the heat exchange tower (3) is fixedly installed with a PLC controller (23), and the PLC controller (23) is electrically connected with the temperature sensor (20) and the flow sensor (21).

6. The cold-heat type screw heat pump high-efficiency heat exchange tower according to claim 5, characterized in that: The lower end of the water outlet pipe (19) is connected with a third connecting pipe (22), and the lower end of the third connecting pipe (22) is in communication with the inside of the circulating water tank (13).