CN210118240U - Automatic blowdown device for cooling water of air compressor - Google Patents
Automatic blowdown device for cooling water of air compressor Download PDFInfo
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- CN210118240U CN210118240U CN201921043584.5U CN201921043584U CN210118240U CN 210118240 U CN210118240 U CN 210118240U CN 201921043584 U CN201921043584 U CN 201921043584U CN 210118240 U CN210118240 U CN 210118240U
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- air compressor
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Abstract
The utility model discloses an automatic waste fitting discharging of air compressor machine cooling water, including cooling tower, cooling water pool, inlet tube, outlet pipe, advance water piping connection between cooling water pool exit end and air compressor machine cooling system's entrance point, go out water piping connection between air compressor machine cooling system's exit end and cooling tower's entrance point, the exit linkage cooling water pool of cooling tower supplements the cooling water, its characterized in that in to the cooling water pool through the moisturizing pipe: and a conductivity meter is arranged on one side of the cooling water pool, a probe of the conductivity meter extends into the water in the cooling water pool and is used for detecting the conductivity of the water in the cooling water pool, a drain pipe is connected to the water outlet pipe, and a drain valve is arranged on the drain pipe. Compared with the prior art, the utility model has the following advantages: the automatic discharge of high-concentration sewage is realized, and the water quality of cooling circulating water is ensured.
Description
Technical Field
The utility model relates to an automatic waste fitting discharging of air compressor machine cooling water.
Background
The cooling water circulation system of the air compressor equipment is generally an open circulation system, and the cooling circulating water can be gradually concentrated into high-hardness concentrated water along with continuous evaporation, splashing and leakage of the cooling water. After high-hardness water enters the heat exchanger inside the air compressor, scale is easy to form under the high-temperature condition, the heat exchange efficiency is seriously influenced, the efficiency of the air compressor is reduced, and even the normal operation of the air compressor is influenced. Due to the limitation of the online detection and control technology of water hardness, the technology of realizing the automatic discharge of cooling water by a hardness detector is still short of mature products and methods. The manual supervision of manual sewage discharge is still common in the cooling water sewage discharge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an automatic waste fitting discharging of air compressor machine cooling water to realize the automatic quality of water that discharges high concentration sewage, guarantees the refrigeration cycle water.
The utility model discloses a realize through following technical scheme:
the utility model provides an automatic waste fitting discharging of air compressor machine cooling water, includes cooling tower, cooling water tank, inlet tube, outlet pipe, advance water piping connection between cooling water tank exit end and air compressor machine cooling system's entrance point, go out water piping connection between air compressor machine cooling system's exit end and the entrance point of cooling tower, the exit linkage cooling water tank of cooling tower supplyes cooling water in to the cooling water tank through the moisturizing pipe, cooling water tank one side is equipped with the conductivity meter, the probe of conductivity meter stretches into the aquatic of cooling water tank for detect the conductivity of the water in the cooling water tank, be connected with a blow off pipe on the outlet pipe, be equipped with the blowoff valve on the blow off pipe.
Furthermore, a circulating water pump is arranged on the water inlet pipe.
Furthermore, the inner diameter of the sewage discharge pipe is smaller than that of the water replenishing pipe.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a pair of automatic waste fitting discharging of air compressor machine cooling water, it is through setting up the conductivity meter on cooling water pool, connect the blowoff valve on going out the water pipe, the conductivity value through the online detection cooling water of conductivity meter controls the opening or closing of blowoff valve, make the pipeline automatic discharge high concentration sewage, supply the new water of low concentration, reduce the hardness of circulating water, in order to avoid the inside heat exchanger scale deposit of air compressor machine, the heat transfer performance of the inside heat exchanger of air compressor machine has been guaranteed, and then the normal steady operation of air compressor machine has been guaranteed. The device has simple structure, low investment cost and wide applicability, and can be also suitable for other cooling circulating water sewage systems with low requirement on water quality control precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the conductivity meter and the blowdown valve of the present invention.
Reference numbers in the figures: 1 cooling tower, 2 cooling ponds, 3 inlet tubes, 4 outlet pipes, 5 air compressor cooling systems, 6 moisturizing pipes, 7 circulating water pumps, 8 conductivity meters, 9 blow-off pipes, 10 blow-off valves.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1, the embodiment discloses an automatic waste fitting discharging of air compressor machine cooling water, including cooling tower 1, cooling water tank 2, inlet tube 3, outlet pipe 4, inlet tube 3 connects between the exit end of cooling water tank 2 and the entrance point of air compressor machine cooling system 5, outlet pipe 4 connects between the exit end of air compressor machine cooling system 5 and the entrance point of cooling tower 1, the exit linkage cooling water tank 2 of cooling tower 1, supply the cooling water in to cooling water tank 2 through moisturizing pipe 6, moisturizing pipe 6 tip is equipped with the ball-cock assembly, the ball-cock assembly is located the surface of water of cooling water tank 2. The water inlet pipe 3 is provided with a circulating water pump 7.
The cooling water tank 2 one side is equipped with conductivity meter 8, and the probe of conductivity meter 8 stretches into the aquatic of cooling water tank 2 for the conductivity of the water in the on-line measuring cooling water tank 2 is connected with a blow off pipe 9 on the outlet pipe 4, is equipped with blowoff valve 10 on the blow off pipe 9, and blowoff valve 10 is the solenoid valve. The conductivity meter 8 may be a conductivity meter 8 of model DDG-8250.
The inner diameter of the sewage discharge pipe 9 is smaller than that of the water replenishing pipe 6, the sewage discharge amount is smaller than the fresh water replenishing amount, and the influence on the circulating water amount in the sewage discharge process can be avoided.
The applicant proves that the positive correlation between the conductivity value of water and the water hardness is clear through long-term tests. Therefore, the switch of the blowdown valve 10 is controlled by detecting the conductivity of the circulating water on line so as to improve the water quality of the circulating water.
Referring to fig. 2, when the conductivity meter 8 detects that the conductivity of the circulating water is greater than the set high limit value of 6100 mus/cm, the relay K1 is switched on, the blowoff valve 10 is powered on and opened, and the highly concentrated circulating water is discharged from the blowoff pipe 9. In the process, as the water amount in the cooling water pool 2 is reduced, the water level is reduced, the ball float valve of the water replenishing pipe 6 is opened, and fresh cooling water is replenished into the cooling water pool 2 to be mixed with high-concentration circulating water in the original cooling water pool 2, so that the quality of the circulating water is gradually improved, and the conductivity value is continuously reduced. When the conductivity meter 8 detects that the conductivity of the circulating water in the cooling water pool 2 is lower than a set low limit value of 5700 mu S/cm, the relay K2 is disconnected, and the drain valve 10 is closed in a power-off mode. The full-automatic operation under unattended operation is realized.
This embodiment sets up conductivity meter 8 on cooling water tank 2, is located the end of intaking of air compressor machine, and what conductivity meter 8 measured is the conductivity of the water that will get into the air compressor machine and carry out the heat transfer, can guarantee that the water that supplies the air compressor machine to use reaches quality of water hardness requirement to guarantee the normal operating of the heat exchanger of air compressor machine. The drain pipe 9 and the drain valve 10 are arranged on the water outlet pipe 4 and located at the water outlet end of the air compressor, the part of water is hot water after heat exchange, and when the drain pipe 9 is used for draining, part of heat is also discharged, so that the heat exchange load of the cooling tower 1 is reduced, and energy is saved during draining.
After the applicant adopts the automatic sewage discharging device to operate, the hardness of the circulating water is subjected to a half-month tracking test, and a detection result shows that after the automatic sewage discharging device is used, the hardness of the circulating cooling water can be maintained within a standard interval of 200mg/L, the requirement of national standards on the water hardness of open circulating cooling water is met, and the standard control of the circulating cooling water is realized.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides an automatic waste fitting discharging of air compressor machine cooling water, includes cooling tower, cooling water tank, inlet tube, outlet pipe, advance water piping connection between cooling water tank exit end and air compressor machine cooling system's entrance point, go out water piping connection between air compressor machine cooling system's exit end and the entrance point of cooling tower, the exit linkage cooling water tank of cooling tower supplyes cooling water, its characterized in that in to the cooling water tank through the moisturizing pipe: the cooling water tank is characterized in that a conductivity meter is arranged on one side of the cooling water tank, a probe of the conductivity meter extends into the water of the cooling water tank and is used for detecting the conductivity of the water in the cooling water tank, a drain pipe is connected to the water outlet pipe, and a drain valve is arranged on the drain pipe.
2. The automatic blowdown device for the cooling water of the air compressor as claimed in claim 1, wherein: and a circulating water pump is arranged on the water inlet pipe.
3. The automatic blowdown device for the cooling water of the air compressor as claimed in claim 1, wherein: the inner diameter of the sewage discharge pipe is smaller than that of the water replenishing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043584.5U CN210118240U (en) | 2019-07-05 | 2019-07-05 | Automatic blowdown device for cooling water of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043584.5U CN210118240U (en) | 2019-07-05 | 2019-07-05 | Automatic blowdown device for cooling water of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118240U true CN210118240U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921043584.5U Active CN210118240U (en) | 2019-07-05 | 2019-07-05 | Automatic blowdown device for cooling water of air compressor |
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| CN (1) | CN210118240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777498A (en) * | 2022-03-23 | 2022-07-22 | 北京首钢股份有限公司 | Blow-down device of vaporization cooling system of steel rolling heating furnace |
-
2019
- 2019-07-05 CN CN201921043584.5U patent/CN210118240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777498A (en) * | 2022-03-23 | 2022-07-22 | 北京首钢股份有限公司 | Blow-down device of vaporization cooling system of steel rolling heating furnace |
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