Reverse flow nitrogen low-selection precooling water temperature regulation and control assembly

By designing a reverse-flow nitrogen low-selection precooling water temperature control component, the problems of unstable nitrogen flow and scaling in the water-cooled tower were solved, achieving stable control of cooling water temperature and improving heat exchange efficiency.

CN223470525UActive Publication Date: 2025-10-24LAIWU YINGDE GAS CO LTD
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Patent Information

Application Number
CN202422722445.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-10-24
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Unstable nitrogen flow in the water-cooled tower leads to unstable water temperature, increased power consumption of the chiller, and the impurities in the dirty nitrogen are prone to scaling, affecting the heat exchange effect.

Method used

A reverse-flow nitrogen low-selection precooling water temperature control component is designed. The nitrogen is filtered and dried through a treatment tank, and the nitrogen flow rate is regulated by an electromagnetic flow regulating valve. Combined with a temperature sensor and a stirring rod, the temperature control efficiency is improved and scaling is prevented.

Benefits of technology

Stable control of nitrogen flow rate was achieved, ensuring the stability of cooling water temperature, preventing scaling, and improving heat exchange effect and equipment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cooling water cooling, in particular to a reflux nitrogen low-selection pre-cooling water temperature regulation and control assembly which comprises a water cooling tower body and a processing box, a supporting frame is arranged at the lower end of the water cooling tower body, a rotating shaft is rotatably installed on the inner wall of the bottom end of the water cooling tower body, a stirring rod is installed on the rotating shaft, and the stirring rod is connected with the processing box. A first heat exchange pipe and a second heat exchange pipe are installed in the water cooling tower body and are symmetrically distributed, a second air inlet pipe is installed at the initial end of the first heat exchange pipe and extends out of the water cooling tower body, and an air pressure sensor and an electromagnetic flow regulating valve are installed on the second air inlet pipe; the treatment box is mounted at the tail end of the second air inlet pipe, and a filtering layer and a drying layer which are symmetrically distributed are mounted in the treatment box. The nitrogen cooling device has the advantages that nitrogen can be pretreated, impurities in the nitrogen can be filtered, the nitrogen can be dried, the flow of the nitrogen can be adjusted, and the temperature of cooling water can be guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooling water cooling technology field, concretely is a kind of reverse flow nitrogen low selection precooling water temperature regulation and control assembly. BACKGROUND

[0002] Water cooling tower, also known as water cooling tower or cold water tower, is a kind of equipment commonly used in mechanical engineering, and the water cooling tower is a device for reducing water temperature by heat exchange between air and water. In mechanical engineering, it is widely used in various cooling occasions.

[0003] The water temperature of the water cooling tower is lower than the water temperature by the temperature of the nitrogen gas flowing back to the tower and the unsaturated nature of the gas containing water to absorb latent heat of evaporation to reduce temperature. The temperature of the water cooling tower is mainly ensured by the amount of nitrogen gas entering. Nitrogen gas enters the water cooling tower through flow control, and the temperature is low. Condensation of low-temperature scale is worried, and the amount of entering gas needs to be adjusted frequently, causing unstable water temperature of the water cooling tower, increased power consumption of the refrigerator, and impurities and moisture in the contaminated nitrogen gas, which can easily scale the inner wall of the heat exchange pipe, affecting the heat exchange effect. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of reverse flow nitrogen low selection precooling water temperature regulation and control assembly, with the advantage that nitrogen can be pretreated, nitrogen impurities are filtered and nitrogen is dried, and nitrogen flow can be adjusted, ensure the cooling water temperature, solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of reverse flow nitrogen low selection precooling water temperature regulation and control assembly, including water cooling tower body and processing box, the lower end of the water cooling tower body is provided with support frame, temperature sensor is arranged on the inner wall of water cooling tower body, rotationally mounted on the bottom end inner wall of water cooling tower body is rotating shaft, stirring rod is installed on rotating shaft, first heat exchange pipe and second heat exchange pipe are installed in the water cooling tower body, first heat exchange pipe and second heat exchange pipe are symmetrically distributed, the end of first heat exchange pipe is connected with the beginning of second heat exchange pipe, the beginning of first heat exchange pipe is installed with second air inlet pipe, second air inlet pipe extends out of water cooling tower body, gas pressure sensor and electromagnetic flow regulating valve are installed on second air inlet pipe, electromagnetic flow regulating valve is located at the side of gas pressure sensor, the processing box is installed at the end of second air inlet pipe, the processing box is communicated with second air inlet pipe, filter layer and drying layer that are symmetrically distributed are installed in processing box.

[0006] When the reverse flow nitrogen low selection pre-cooling water temperature regulation component is used, nitrogen enters the processing box from the first air inlet pipe, and the nitrogen can be filtered by the filter layer and dried by the drying layer when passing through the processing box, the filtered and dried nitrogen can enter the first heat exchange pipe through the second air inlet pipe, the nitrogen amount in the first heat exchange pipe can be adjusted by the electromagnetic flow regulating valve, the nitrogen flow in the first heat exchange pipe can enter the second heat exchange pipe, and finally is discharged from the exhaust pipe 4, the temperature of the cooling water can be regulated when the nitrogen is located in the first heat exchange pipe and the second heat exchange pipe, the temperature of the cooling water in the cooling tower can be detected by the temperature sensor, the nitrogen flow is adjusted according to the cooling water temperature, the rotating shaft can be rotated by driving the equipment to work, the cooling water can be stirred by the stirring rod, the cooling water is moved, the temperature regulation efficiency is improved, and the nitrogen pressure in the second air inlet pipe can be detected by the air pressure sensor, when the nitrogen pressure in the second air inlet pipe is too high and the nitrogen amount needs not to be increased, the valve on the pressure reducing pipe is opened, so that the nitrogen flows into the pressure reducing pipe, and the air pressure is reduced.

[0007] Preferably, the lower end of the water cooling tower body is provided with a driving device, and the main shaft of the driving device is connected with the axis of the rotating shaft.

[0008] Preferably, the upper position of the side end of the water cooling tower body is provided with a water inlet pipe, the lower position of the side end of the water cooling tower body away from the water inlet pipe is provided with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with valves.

[0009] Preferably, the end of the second heat exchange pipe is provided with an exhaust pipe, and the exhaust pipe extends out of the water cooling tower body.

[0010] Preferably, the second air inlet pipe is provided with a pressure reducing pipe, the pressure reducing pipe is provided with a valve, and the end of the pressure reducing pipe is connected with the exhaust pipe.

[0011] Preferably, the front end of the processing box is provided with a first air inlet pipe, and the first air inlet pipe is communicated with the processing box.

[0012] Preferably, the upper end of the processing box is provided with a mounting opening, the upper ends of the filter layer and the drying layer extend out of the processing box from the mounting opening, the upper end of the processing box is provided with a sealing cover plate, the lower end of the sealing cover plate is provided with symmetrically distributed positioning grooves, and the upper ends of the filter layer and the drying layer are located in the positioning grooves, respectively.

[0013] Preferably, the upper end of the processing box is provided with threaded holes arranged in an array, the upper end of the sealing cover plate is provided with mounting holes corresponding to the threaded holes, and bolts are screwed into the mounting holes and the threaded holes.

[0014] Compared with the prior art, the nitrogen enters the processing box, and the nitrogen can be filtered and dried for pretreatment, the nitrogen impurities are filtered and the nitrogen is dried, the nitrogen impurities in the nitrogen are prevented from being deposited in the heat exchange pipe, and the nitrogen flow can be adjusted according to the temperature of the cooling water in the temperature regulation of the cooling water, so that the temperature of the cooling water is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of the utility model;

[0016] Figure 2 is a bottom view structural schematic diagram of the utility model;

[0017] Figure 3 is an internal structure schematic diagram of the utility model;

[0018] Figure 4 is a sectional view structural schematic diagram of the utility model;

[0019] Figure 5 is a processing box sectional view structural schematic diagram of the utility model.

[0020] The reference signs and names in the drawings are as follows:

[0021] 101, water-cooled tower body; 102, support frame; 103, water inlet pipe; 104, water outlet pipe; 105, stirring rod; 106, driving device; 201, first heat exchange pipe; 202, second heat exchange pipe; 203, second air inlet pipe; 204, air outlet pipe; 205, pressure reduction pipe; 206, air pressure sensor; 207, electromagnetic flow regulating valve; 208, valve; 301, processing box; 302, sealing cover plate; 303, first air inlet pipe; 304, positioning groove; 305, filter layer; 306, drying layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] EMBODIMENT

[0024] Please refer to Figures 1 to 5The utility model provides an embodiment: a kind of backflow nitrogen low selection precooling water temperature regulation and control assembly, comprising:

[0025] The water cooling tower body 101 is provided with a support frame 102 at the lower end, and a temperature sensor is arranged on the inner wall of the water cooling tower body 101. A rotating shaft is rotatably installed on the bottom end inner wall of the water cooling tower body 101, and a stirring rod 105 is installed on the rotating shaft. The water cooling tower body 101 is internally provided with a first heat exchange pipe 201 and a second heat exchange pipe 202, which are symmetrically distributed. The end of the first heat exchange pipe 201 is connected to the beginning of the second heat exchange pipe 202. A second air inlet pipe 203 is installed at the beginning of the first heat exchange pipe 201 and extends out of the water cooling tower body 101. An air pressure sensor 206 and an electromagnetic flow regulating valve 207 are installed on the second air inlet pipe 203. The electromagnetic flow regulating valve 207 is located on one side of the air pressure sensor 206. The processing box 301 is installed at the end of the second air inlet pipe 203 and is in communication with the second air inlet pipe 203. A filter layer 305 and a drying layer 306 are symmetrically arranged in the processing box 301.

[0026] In this embodiment, nitrogen enters the processing box 301 from the first air inlet pipe 303. When the nitrogen passes through the processing box 301, it can be filtered by the filter layer 305 and dried by the drying layer 306. The filtered and dried nitrogen can enter the first heat exchange pipe 201 through the second air inlet pipe 203. The amount of nitrogen in the first heat exchange pipe 201 can be adjusted by the electromagnetic flow regulating valve 207. The nitrogen flow in the first heat exchange pipe 201 can enter the second heat exchange pipe 202, and finally be discharged from the exhaust pipe 204. When the nitrogen is in the first heat exchange pipe 201 and the second heat exchange pipe 202, the temperature of the cooling water can be regulated. The temperature of the cooling water in the cooling tower can be detected by the temperature sensor, and the nitrogen flow can be adjusted according to the temperature of the cooling water. While regulating the temperature of the cooling water, the rotating shaft can be rotated by the driving device 106, and the cooling water can be stirred by the stirring rod 105 to make the cooling water move, thereby improving the temperature regulation efficiency. The nitrogen pressure in the second air inlet pipe 203 can be detected by the air pressure sensor 206. When the nitrogen pressure in the second air inlet pipe 203 is too high and the amount of nitrogen entering needs to be increased, the valve 208 on the pressure relief pipe 205 is opened to make the nitrogen flow into the pressure relief pipe 205, thereby reducing the air pressure.

[0027] Further, the lower end of the water cooling tower body 101 is provided with a driving device 106, and the main shaft of the driving device 106 is connected to the axis of the rotating shaft.

[0028] Further, the water cooling tower body 101 is provided with a water inlet pipe 103 at the upper position of one end, and a water outlet pipe 104 is arranged at the lower position of the other end of the water cooling tower body 101, and the water inlet pipe 103 and the water outlet pipe 104 are provided with valves 208.

[0029] Further, the second heat exchange pipe 202 is provided with an exhaust pipe 204 at the end, and the exhaust pipe 204 extends out of the water cooling tower body 101.

[0030] Further, the second air inlet pipe 203 is provided with a pressure reduction pipe 205, the pressure reduction pipe 205 is provided with a valve 208, and the end of the pressure reduction pipe 205 is connected with the exhaust pipe 204.

[0031] Further, the front end of the processing box 301 is provided with a first air inlet pipe 303, and the first air inlet pipe 303 communicates with the processing box 301.

[0032] Further, the upper end of the processing box 301 is provided with a mounting hole, and the upper ends of the filter layer 305 and the drying layer 306 extend out of the processing box 301 from the mounting hole, and the upper end of the processing box 301 is provided with a sealing cover plate 302, the lower end of the sealing cover plate 302 is provided with symmetrically distributed positioning grooves 304, and the upper ends of the filter layer 305 and the drying layer 306 are located in the positioning grooves 304.

[0033] Further, the upper end of the processing box 301 is provided with arrayed screw holes, the upper end of the sealing cover plate 302 is provided with mounting holes corresponding to the screw holes, and bolts are screwed in the mounting holes and the screw holes.

[0034] The driving device 106, the air pressure sensor 206 and the electromagnetic flow regulating valve 207 in the utility model are well-known devices, and their working principles and circuit connections are well known to those skilled in the art, and they all belong to conventional means or common knowledge, the utility model only uses their functions, and does not improve their structures, and therefore will not be described here, and those skilled in the art can select and match them according to their needs or convenience.

[0035] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A reverse flow nitrogen low-selective pre-cooling water temperature regulation assembly, comprising a water cooling tower body (101) and a treatment box (301), characterized in that: The lower end of the water cooling tower body (101) is provided with a support frame (102), the inner wall of the water cooling tower body (101) is provided with a temperature sensor, the bottom end of the water cooling tower body (101) is rotatably installed with a rotating shaft, the rotating shaft is installed with a stirring rod (105), the water cooling tower body (101) is installed with a first heat exchange pipe (201) and a second heat exchange pipe (202), the first heat exchange pipe (201) and the second heat exchange pipe (202) are symmetrically distributed, the tail end of the first heat exchange pipe (201) is connected with the initial end of the second heat exchange pipe (202), the initial end of the first heat exchange pipe (201) is installed with a second air inlet pipe (203), the second air inlet pipe (203) extends out of the water cooling tower body (101), the second air inlet pipe (203) is installed with an air pressure sensor (206) and an electromagnetic flow regulating valve (207), the electromagnetic flow regulating valve (207) is located on one side of the air pressure sensor (206), a treatment box (301) is installed at the tail end of the second air inlet pipe (203), the treatment box (301) is communicated with the second air inlet pipe (203), the treatment box (301) is installed with symmetrically distributed filter layers (305) and drying layers (306).

2. The backflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: The lower end of the water cooling tower body (101) is provided with a support frame (102), the inner wall of the water cooling tower body (101) is provided with a temperature sensor, the bottom end of the water cooling tower body (101) is rotatably installed with a rotating shaft, the rotating shaft is installed with a stirring rod (105), the water cooling tower body (101) is installed with a first heat exchange pipe (201) and a second heat exchange pipe (202), the first heat exchange pipe (201) and the second heat exchange pipe (202) are symmetrically distributed, the tail end of the first heat exchange pipe (201) is connected with the initial end of the second heat exchange pipe (202), the initial end of the first heat exchange pipe (201) is installed with a second air inlet pipe (203), the second air inlet pipe (203) extends out of the water cooling tower body (101), the second air inlet pipe (203) is installed with an air pressure sensor (206) and an electromagnetic flow regulating valve (207), the electromagnetic flow regulating valve (207) is located on one side of the air pressure sensor (206), a treatment box (301) is installed at the tail end of the second air inlet pipe (203), the treatment box (301) is communicated with the second air inlet pipe (203), the treatment box (301) is installed with symmetrically distributed filter layers (305) and drying layers (306).

3. The counterflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: The lower end of the water cooling tower body (101) is provided with a support frame (102), the inner wall of the water cooling tower body (101) is provided with a temperature sensor, the bottom end of the water cooling tower body (101) is rotatably installed with a rotating shaft, the rotating shaft is installed with a stirring rod (105), the water cooling tower body (101) is installed with a first heat exchange pipe (201) and a second heat exchange pipe (202), the first heat exchange pipe (201) and the second heat exchange pipe (202) are symmetrically distributed, the tail end of the first heat exchange pipe (201) is connected with the initial end of the second heat exchange pipe (202), the initial end of the first heat exchange pipe (201) is installed with a second air inlet pipe (203), the second air inlet pipe (203) extends out of the water cooling tower body (101), the second air inlet pipe (203) is installed with an air pressure sensor (206) and an electromagnetic flow regulating valve (207), the electromagnetic flow regulating valve (207) is located on one side of the air pressure sensor (206), a treatment box (301) is installed at the tail end of the second air inlet pipe (203), the treatment box (301) is communicated with the second air inlet pipe (203), the treatment box (301) is installed with symmetrically distributed filter layers (305) and drying layers (306).

4. The counterflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: The lower end of the water cooling tower body (101) is provided with a support frame (102), the inner wall of the water cooling tower body (101) is provided with a temperature sensor, the bottom end of the water cooling tower body (101) is rotatably installed with a rotating shaft, the rotating shaft is installed with a stirring rod (105), the water cooling tower body (101) is installed with a first heat exchange pipe (201) and a second heat exchange pipe (202), the first heat exchange pipe (201) and the second heat exchange pipe (202) are symmetrically distributed, the tail end of the first heat exchange pipe (201) is connected with the initial end of the second heat exchange pipe (202), the initial end of the first heat exchange pipe (201) is installed with a second air inlet pipe (203), the second air inlet pipe (203) extends out of the water cooling tower body (101), the second air inlet pipe (203) is installed with an air pressure sensor (206) and an electromagnetic flow regulating valve (207), the electromagnetic flow regulating valve (207) is located on one side of the air pressure sensor (206), a treatment box (301) is installed at the tail end of the second air inlet pipe (203), the treatment box (301) is communicated with the second air inlet pipe (203), the treatment box (301) is installed with symmetrically distributed filter layers (305) and drying layers (306).

5. The counterflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: ​ 6. The counterflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: ​ 7. The backflow nitrogen low-selective pre-cooling water temperature regulating component according to claim 1, characterized in that: ​ 8. The counterflow nitrogen gas low-selective pre-cooling water temperature regulating component according to claim 7, characterized in that: ​