CN216205442U - Integrated automatic sewage discharging device for multiple circulating cooling water systems - Google Patents
Integrated automatic sewage discharging device for multiple circulating cooling water systems Download PDFInfo
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- CN216205442U CN216205442U CN202122662726.XU CN202122662726U CN216205442U CN 216205442 U CN216205442 U CN 216205442U CN 202122662726 U CN202122662726 U CN 202122662726U CN 216205442 U CN216205442 U CN 216205442U
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Abstract
An integrated automatic sewage discharge device of a plurality of circulating cooling water systems relates to the field of cooling water towers. The device comprises a plurality of cooling towers, a conductivity meter and a PLC (programmable logic controller), wherein a sewage discharge port of each cooling tower is connected with a sewage discharge pipeline, and an electric sewage discharge valve and an adjusting valve are respectively arranged on the sewage discharge pipelines; the water inlet pipeline of each cooling tower is additionally provided with a detection pipeline, the head end of the detection pipeline is connected with a water inlet pipe, the tail end of the detection pipeline is connected with the water inlet pipeline of a preset cooling tower, an electric ball valve and a check valve are sequentially arranged on the detection pipeline along the water flow output direction, and a conductivity detector head of a conductivity meter is arranged between the electric ball valve and the tail end of the detection pipeline. The device realizes carrying out automatic blowdown to the recirculating cooling water system in a plurality of water-cooling towers, improves production efficiency, has practiced thrift the human cost.
Description
Technical Field
The utility model relates to a cooling tower, in particular to an integrated automatic sewage discharge device for a plurality of circulating cooling water systems.
Background
A cooling water tower is a device for cooling water, in which water is subjected to heat exchange and mass exchange with air flowing therethrough to cause a drop in water temperature, and is widely used in air-conditioning circulating water systems and industrial circulating water systems. In the long-time use process of the cooling tower, the water quality is inevitably polluted, so that the circulating water needs to be replaced. To a plurality of cold water towers, if adopt artifical periodic system to go to detect quality of water, then change the mode of circulating water, then very consuming time, and have the untimely problem of change, still can increase the cost of labor in addition, so need set up the device of one set of automatic blowdown and go to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
In order to realize automatic pollution discharge of circulating cooling water systems in a plurality of water cooling towers and improve production efficiency, the utility model adopts the following technical scheme:
the integrated automatic sewage draining device for multiple circulating cooling water systems comprises multiple cooling towers, wherein the top and the bottom of each cooling tower are respectively provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively connected with a water inlet pipeline and a water outlet pipeline, the cooling towers are also provided with sewage draining ports,
the device also comprises a conductivity meter and a PLC (programmable logic controller), wherein a sewage discharge pipeline is connected to a sewage discharge port of each cooling tower, and an electric sewage discharge valve and an adjusting valve are respectively arranged on the sewage discharge pipeline; the water inlet pipeline of each cooling tower is additionally provided with a detection pipeline, the head end of the detection pipeline is connected with a water inlet pipe, the tail end of the detection pipeline is connected with the water inlet pipeline of a preset cooling tower, and an electric ball valve and a check valve are sequentially arranged on the detection pipeline along the water flow output direction. The conductivity probe of the conductivity meter is arranged between the electric ball valve and the check valve.
Specifically, the PLC controller is respectively and electrically connected with the conductivity meter, the electric blow-down valves of the plurality of cooling towers and the electric ball valve. The PLC detects the water quality in one cooling tower every 5 minutes for 3 minutes, and all cooling towers are detected in sequence, so that the water quality of a plurality of cooling towers is detected.
Specifically, a protective shell is arranged outside the PLC, so that the damage of the external environment to the PLC can be avoided.
Specifically, fixed mounting has a plurality of pilot lamps on the shell outer wall, and the pilot lamp is according to two rows of upper and lower parallel distribution, and the upper strata is for surveying the pilot lamp lower floor and be blowdown pilot lamp, and the pilot lamp that is located same row shows the process of working in a cooling tower, and the number of the corresponding cooling tower of middle mark of two rows of pilot lamps, a plurality of pilot lamps respectively with PLC controller electric connection.
In summary, the apparatus of the present invention has the following advantages: this realization carries out the effect of automatic blowdown to the recirculated cooling water in a plurality of water-cooling towers, detects quality of water through setting up the conductivity meter and sampling in the detection pipeline to the control of cooperation PLC controller is implemented, and the change condition that can be timely and accurate detects quality of water compares manual operation, has further improved work efficiency, has improved the timely rate that detects, has still practiced thrift the cost of labor.
Drawings
FIG. 1 is a schematic structural view of an integrated automatic sewage draining apparatus for a plurality of recirculating cooling water systems;
1 a pollution discharge indicator lamp; 2, a conductivity probe; 3, adjusting a valve; 4, an electric blow-down valve; 5, an electric ball valve; 6, a PLC controller; 7, detecting an indicator light; no. 81 cold water column; no. 92 cold water column; no. 103 cold water tower; no. 114 cold water tower.
Detailed Description
The utility model is further illustrated with reference to fig. 1.
Since the water quality of the cooling tower is polluted in the long-term use process, the circulating water needs to be replaced. To a plurality of cold water towers, adopt manual operation to remove the mode of changing, then very consuming time, and increased the cost of labor, so need set up the device of one set of automatic blowdown and solve above-mentioned problem.
The integrated automatic sewage draining device of the plurality of circulating cooling water systems comprises a plurality of cooling water towers, wherein the top and the bottom of each cooling water tower are respectively provided with a water inlet and a water outlet, and the water inlets and the water outlets are respectively connected with a water inlet pipeline and a water outlet pipeline. The water inlet and the water outlet are connected with equipment needing cooling, and cooling is achieved through water cooling. Still be equipped with the drain on the cooling water tower, the drain department of every cooling water tower is connected with sewage pipes, is equipped with respectively on the sewage pipes, electronic blowoff valve 4, governing valve 3, carries out the discharge of sewage through the drain, realizes the blowdown process outside through controlling electronic blowoff valve 4 and controls the realization, need not manual operation. Through setting up governing valve 3, can realize realizing manual blowdown under the condition of specific manual blowdown or the condition that electronic blowoff valve 4 damages.
In order to detect the water quality in the cooling tower, the water inlet pipe is provided with water pressure, and the water outlet is not provided with water pressure, so that a detection pipeline is additionally arranged on the water inlet pipeline of each cooling tower to detect the water quality. The head end of the detection pipeline is connected with the water inlet pipe, and the tail end of the detection pipeline is connected with a water inlet pipeline of a preset cooling tower. The preset cooling tower is the cooling tower with the largest water inlet flow, and the generated water flow is less because the inner diameter of the detection pipeline is small, so that the detected water flows into the preset cooling tower, on one hand, the water inlet flow is increased for the preset cooling tower, and on the other hand, the water which does not need to be detected is discharged. The electric ball valve 5 and the check valve are sequentially arranged on the detection pipeline along the water flow output direction, the electric ball valve 5 is used for controlling the on-off of water flow, and the check valve is used for preventing water in a water inlet pipeline of a preset cooling tower from flowing backwards to the detection pipeline, so that the accuracy of water quality detection is reduced. In order to detect the water quality, a conductivity probe of the conductivity meter is arranged between the electric ball valve 5 and the check valve to detect the water quality.
In order to realize industrialized automatic control of the sewage discharge process among a plurality of cooling water towers, a PLC (programmable logic controller) 6 is arranged. The PLC controller 6 is wrapped by the shell, and the PLC controller 6 is respectively electrically connected with the conductivity meter, the electric blow-down valves 4 of the plurality of cooling water towers and the electric ball valve 5. The PLC 6 detects the water quality in one cooling tower every 5 minutes for 3 minutes, and all the cooling towers are sequentially detected, so that the water quality of a plurality of cooling towers is detected. In order to conveniently and quickly know the sewage discharge process, a plurality of indicating lamps are fixedly arranged on the outer wall of the shell and distributed in parallel according to an upper row and a lower row, the upper layer is a detection indicating lamp 7, the lower layer is a sewage discharge indicating lamp 1, the indicating lamps in the same row indicate the operation process in one cooling tower, and the middle of the two rows of indicating lamps marks the corresponding serial number of the cooling tower. Each indicator light is respectively and electrically connected with the PLC controller 6. For example, for the cooling tower No. 1, when the detection indicator light 7 is on, the water quality detection is performed on the cooling tower No. 1, and when the pollution discharge indicator light 1 is on, the pollution discharge treatment is performed on the cooling tower No. 1.
The working process of the integrated automatic sewage discharge device of the plurality of circulating cooling water systems is as follows: when the water quality of the No. 1 cooling tower is detected, the electric ball valve 5 is opened, the conductivity probe measures the water quality for 3min, and transmits a detected water quality data signal to the PLC controller 6, the PLC controller 6 controls, a No. 1 cooling tower 8 detection lamp is turned on, and if the water quality meets a standard threshold value, the No. 2 cooling tower is detected after 5min intervals; if the water quality does not meet the standard threshold value, the electric blow-down valve 4 is opened, the blow-down indicator lamp 1 of the No. 1 cooling water tower 8 is turned on, the electric blow-down valve 4 is closed after the flow threshold value is reached, and the No. 2 cooling water tower is detected after 5min intervals. The process of detecting the No. 2 cooling tower 9 is the same as the process of detecting the No. 1 cooling tower 8, and the process of circularly and repeatedly detecting the water quality in all the cooling towers and carrying out corresponding pollution discharge is repeated.
As can be seen from the above description, the device has the following advantages: this realization carries out the effect of automatic blowdown to the recirculated cooling water in a plurality of water-cooling towers, detects quality of water through setting up the conductivity meter and sampling in the detection pipeline to the control of cooperation PLC controller is implemented, and the change condition that can be timely and accurate detects quality of water compares manual operation, has further improved work efficiency, has improved the timely rate that detects, has still practiced thrift the cost of labor. In addition, the check valve is arranged in the detection pipeline, so that the backflow of the detected water can be effectively prevented, and the accuracy is improved.
It should be understood that the detailed description of the utility model is merely illustrative of the utility model and is not intended to limit the utility model to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the utility model.
Claims (4)
1. The integrated automatic sewage discharge device of a plurality of circulating cooling water systems comprises a plurality of cooling towers, the top and the bottom of each cooling tower are respectively provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively connected with a water inlet pipeline and a water outlet pipeline, the cooling tower is also provided with a sewage discharge outlet, and the integrated automatic sewage discharge device is characterized in that,
the device also comprises a conductivity meter and a PLC (programmable logic controller), wherein a sewage discharge pipeline is connected to a sewage discharge port of each cooling tower, and an electric sewage discharge valve and an adjusting valve are respectively arranged on the sewage discharge pipeline; a detection pipeline is additionally arranged on the water inlet pipeline of each cooling tower, the head end of the detection pipeline is connected with the water inlet pipe, the tail end of the detection pipeline is connected with a preset water inlet pipeline of the cooling tower, an electric ball valve and a check valve are sequentially arranged on the detection pipeline along the water flow output direction, and a conductivity probe of the conductivity meter is arranged between the electric ball valve and the check valve;
the PLC is respectively and electrically connected with the conductivity meter, the electric blow-down valves of the plurality of cooling towers and the electric ball valve.
2. The integrated automatic blowdown apparatus for multiple recirculating cooling water systems as claimed in claim 1, wherein a protective housing is provided outside said PLC controller.
3. The integrated automatic sewage draining device for multiple circulating cooling water systems as claimed in claim 2, wherein a plurality of indicating lamps are fixedly mounted on the outer wall of the housing, the indicating lamps are distributed in two rows, and the indicating lamps are respectively electrically connected with the PLC.
4. The integrated automatic sewage draining device of claim 1 wherein the predetermined cooling water tower is the cooling water tower with the largest water inlet flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662726.XU CN216205442U (en) | 2021-11-02 | 2021-11-02 | Integrated automatic sewage discharging device for multiple circulating cooling water systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662726.XU CN216205442U (en) | 2021-11-02 | 2021-11-02 | Integrated automatic sewage discharging device for multiple circulating cooling water systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205442U true CN216205442U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122662726.XU Active CN216205442U (en) | 2021-11-02 | 2021-11-02 | Integrated automatic sewage discharging device for multiple circulating cooling water systems |
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| Country | Link |
|---|---|
| CN (1) | CN216205442U (en) |
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2021
- 2021-11-02 CN CN202122662726.XU patent/CN216205442U/en active Active
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