CN-224202241-U - Air cooling tower

Abstract

The utility model relates to an air cooling tower, which is applied to the technical field of air cooling, solves the problems of unstable system operation caused by large manual adjustment workload and easy operation errors in the prior art, and also can generate the phenomena of tray flooding and liquid leakage, and comprises a cooling tower body, an air inlet pipe, a first water supply pipe, a second water supply pipe and an air discharge pipe, wherein the first water supply pipe and the second water supply pipe are respectively provided with an on-off control valve, the cooling tower also comprises a temperature detection component for detecting the temperature of the cooled air and a pressure detection component for detecting the pressure inside the cooling tower body, the opening degree of the on-off control valve is adjusted according to whether the temperature value detected by the temperature detection component falls in a target temperature range and whether the pressure value detected by the pressure detection component falls in a target pressure range; the method has the effects of effectively controlling the temperature of the air at the top of the tower and improving the field automation control level.

Inventors

• LIU MINGANG
• ZHENG QINYU
• DU KANG
• YUAN JIANPING
• LIU BIN
• WU JIE
• ZHANG YANG
• HE JUN
• YAN ZISHENG
• WEI CHENGHAO

Assignees

• 常熟市龙腾特种钢有限公司

Dates

Publication Date

20260505

Application Date

20250530

Claims (7)

1. 1. The utility model provides an air cooling tower, includes cooling tower body (1), the outside of cooling tower body (1) has set gradually air intake pipe (2), first delivery pipe (3), second delivery pipe (4) and air discharge pipe (5) from down, all be provided with on first delivery pipe (3) and second delivery pipe (4) on-off control valve (6), its characterized in that still includes temperature detection subassembly (7) that are used for carrying out temperature detection to the air after the cooling and is used for right inside pressure detection's of cooling tower body (1) pressure detection subassembly (8), according to whether the temperature value that temperature detection subassembly (7) detected falls within target temperature range and whether the pressure value that pressure detection subassembly (8) detected falls within target pressure range adjusts the aperture of on-off control valve (6).
2. 2. The air cooling tower according to claim 1, wherein the temperature detection assembly (7) comprises a temperature sensor (71) and a temperature controller (72), a detection end of the temperature sensor (71) is arranged at an air inlet end of the air discharge pipe (5), and the temperature sensor (71) and the on-off control valve (6) are in signal connection with the temperature controller (72).
3. 3. The air cooling tower according to claim 2, characterized in that the pressure detection assembly (8) comprises a pressure sensor I (81), a pressure sensor II (82) and a pressure drop controller (83), wherein the pressure sensor I (81) is arranged at the lower part of the cooling tower and above the air inlet pipe (2), the pressure sensor II (82) is arranged at the upper part of the cooling tower body (1), and the pressure sensor I (81), the pressure sensor II (82) and the on-off control valve (6) are all in signal connection with the pressure drop controller (83).
4. 4. An air cooling tower according to claim 3, wherein the temperature controller (72) comprises a signal receiving module I (721), a signal output module I (722) and a numerical analysis module I (723), the signal output end of the temperature sensor (71) is connected to the signal receiving module I (721), and the signal receiving end of each on-off control valve (6) is connected to the signal output module I (722).
5. 5. The air cooling tower according to claim 4, wherein the pressure drop controller (83) comprises a signal receiving module II (831), a signal output module II (832) and a numerical analysis module II (833), the signal output ends of the pressure sensor I (81) and the pressure sensor II (82) are connected with the signal receiving module of the pressure drop controller (83), and the signal receiving end of each on-off control valve (6) is connected with the signal output end of the pressure drop controller (83).
6. 6. An air cooling tower according to claim 5, characterized in that the first water supply pipe (3) and the second water supply pipe (4) are each provided with a flow indication controller (9) for detecting the flow of water.
7. 7. The air cooling tower according to claim 6, further comprising an alarm warning lamp I (10) and an alarm warning lamp II (11), wherein a signal receiving end of the alarm warning lamp I (10) is connected to the signal output module I (722), and a signal receiving end of the alarm warning lamp II (11) is connected to the signal output module II (832).

Description

Air cooling tower Technical Field The utility model is applied to the technical field of air cooling, and particularly relates to an air cooling tower. Background The air cooling tower for air separation oxygen production of the energy power plant is mainly used for cooling hot air from a raw material air compressor so as to improve the working condition of an absorber. The operation mode is that hot air enters from the bottom, flows from bottom to top in the tower, is cooled by direct contact with cooling water and chilled water in the packing, and is discharged from the top. The top wire mesh demister can remove free water from the outlet air to prevent free water from the process air from being carried over. The hot water at the bottom of the air cooling tower is discharged through a liquid level control valve and returned to a circulating cooling water system (a cooling water tower) (refer to the prior published patent with the name of a circulating system of the air cooling tower, and the patent publication number is CN113932627B, and the application date is 2021.09.02). The temperature after cooling through the cooling tower is discharged to next process or other equipment from the air discharge pipe at top of the tower, and then the temperature requirement after cooling is high, requires the air after cooling through the cooling tower to be in the settlement within range, and current air cooling tower is when cooling the air that gets into it, usually manual regulation is the cooling water or the water yield of chilled water in entering the cooling tower, and manual regulation work load is big, and easily takes place misoperation, leads to the unstable problem of system operation, also can appear column plate flooding, weeping phenomenon. Disclosure of utility model The utility model aims to provide an air cooling tower, which solves the problems that the existing manual adjustment has large workload and is easy to cause misoperation, so that the system operation is unstable, and the phenomena of tray flooding and liquid leakage can also occur. In order to achieve the above purpose, the utility model adopts the following technical scheme: The utility model provides an air cooling tower which comprises a cooling tower body, wherein an air inlet pipe, a first water supply pipe, a second water supply pipe and an air discharge pipe are sequentially arranged outside the cooling tower body from bottom to top, on-off control valves are arranged on the first water supply pipe and the second water supply pipe, a temperature detection assembly for detecting the temperature of cooled air and a pressure detection assembly for detecting the pressure inside the cooling tower body are further included, and the opening degree of the on-off control valve is adjusted according to whether the temperature value detected by the temperature detection assembly falls in a target temperature range or not and whether the pressure value detected by the pressure detection assembly falls in a target pressure range or not. Further, the temperature detection assembly comprises a temperature sensor and a temperature controller, the detection end of the temperature sensor is arranged at the air inlet end of the air discharge pipe, and the temperature sensor and the on-off control valve are in signal connection with the temperature controller. Further, the pressure detection assembly comprises a pressure sensor I, a pressure sensor II and a pressure drop controller, wherein the pressure sensor I is arranged at the lower part of the cooling tower and is positioned above the air inlet, the pressure sensor II is arranged at the upper part of the cooling tower body, and the pressure sensor I, the pressure sensor II and the on-off control valve are in signal connection with the pressure drop controller. Further, the temperature controller comprises a signal receiving module I, a signal output module I and a numerical analysis module I, wherein the signal output end of the temperature sensor is connected with the signal receiving module I, and the signal receiving end of each on-off control valve is connected with the signal output module I. Further, the pressure drop controller comprises a signal receiving module II, a signal output module II and a numerical analysis module II, wherein the signal output ends of the pressure sensor I and the pressure sensor II are connected with the signal receiving module of the pressure drop controller, and the signal receiving end of each on-off control valve is connected with the signal output end of the pressure drop controller. Further, the first water supply pipe and the second water supply pipe are respectively provided with a flow indication controller for detecting water flow. Further, the intelligent alarm device further comprises an alarm warning lamp I and an alarm warning lamp II, wherein a signal receiving end of the alarm warning lamp I is connected with the signal output module I, and a si