CN211921140U - Automatic chemical feeding device of central air-conditioning cooling water system - Google Patents
Automatic chemical feeding device of central air-conditioning cooling water system Download PDFInfo
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- CN211921140U CN211921140U CN202020375016.1U CN202020375016U CN211921140U CN 211921140 U CN211921140 U CN 211921140U CN 202020375016 U CN202020375016 U CN 202020375016U CN 211921140 U CN211921140 U CN 211921140U
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Abstract
The utility model discloses an automatic chemical feeding device of a central air-conditioning cooling water system, which comprises a descaling chemical liquid box, a sterilization chemical liquid box, a descaling chemical pump and a sterilization chemical pump, wherein the inlet of the descaling chemical pump is communicated with the outlet of the descaling chemical liquid box through a pipeline, and the outlet of the descaling chemical pump is communicated with the inlet of a cooling water pipe through a pipeline; the entry of medicine pump that disinfects passes through pipeline intercommunication liquid medicine case that disinfects, the export of medicine pump that disinfects then communicates the condenser tube entry through the pipeline, the entry of pipeline intercommunication cooling tower is passed through in the cold water machine export, the cooling tower water tray is provided with the blowoff valve, still be provided with the water quality monitoring sensor of detectable water quality concentration and pH value in the cooling tower water tray, water quality monitoring sensor and core control case communication connection, the core control case respectively with scale removal medicine pump, medicine pump and blowoff valve control connection disinfect, the cooling tower water tray export passes through pipeline intercommunication cooling water pump entry, cooling water pump export intercommunication condenser tube entry. And modifying the medicine adding parameters through a core control box, and controlling the amount of the medicine added into the cooling water pipe.
Description
Technical Field
The utility model relates to a central air conditioning cooling water system's automatic reagent feeding device.
Background
The cooling water in the central air-conditioning system is recycled, and the water quality of the cooling water can be changed after long-time use, so that the problems of bacteria breeding, scaling, algae breeding and the like are easily caused, the cooling effect and performance of the cooling water system are seriously influenced, and even the equipment is in failure. In order to ensure the normal operation of the cooling water system and maintain the good performance of the cooling system, various agents such as a scale remover, a bactericide and the like need to be added into the cooling water system through a dosing device.
The existing automatic medicine adding device for cold water shortage of a central air conditioner mainly controls the timing and quantitative medicine adding through a timer so as to ensure the cooling performance. In the mode, the fixed dosing time and the fixed dosing amount are required to be set according to the experience of an operator, the dosing time and the dosing amount are fixed every time, the actual needs are not met, and large medicament waste and large sewage discharge amount are easily caused due to artificial experience judgment errors. In addition, because the equipment adopts chemical agents for sterilization, after the sewage is discharged to the sewage treatment station, the normal propagation of working floras of a sewage treatment process can be influenced by excessive bactericides, and the sewage treatment efficiency of the sewage treatment station is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a central air conditioning cooling water automatic reagent feeding device of control dosage that can be automatic, accurate.
The utility model discloses a central air conditioning cooling water system automatic reagent feeding device, including scale removal liquid medicine case, sterilization liquid medicine case, scale removal medicine pump and sterilization medicine pump, the scale removal medicine pump entry communicates scale removal liquid medicine case export through the pipeline, and scale removal medicine pump export communicates the cooling water pipe entry through the pipeline; the entry of medicine pump that disinfects passes through pipeline intercommunication liquid medicine case that disinfects, and the export of medicine pump that disinfects then communicates the condenser tube entry through the pipeline, and the entry of pipeline intercommunication cooling tower is passed through in the cold water machine export, the cooling tower water tray is provided with the blowoff valve, still is provided with the water quality monitoring sensor of detectable water quality concentration and pH value in the cooling tower water tray, water quality monitoring sensor and core control case communication connection, the core control case is connected with scale removal medicine pump, medicine pump and blowoff valve control respectively of disinfecting, the cooling tower water tray export passes through pipeline intercommunication cooling water pump entry, cooling water pump export intercommunication condenser tube entry.
The automatic dosing device of the central air-conditioning cooling water system can automatically monitor the water concentration and the PH value data in the cooling water tray through the water quality monitoring sensor and transmit the water concentration and the PH value data to the core control box, the core control box can calculate corresponding dosing parameters according to monitoring values and preset models, and then controls the on-off time of the descaling chemical pump and the sterilization chemical pump according to the obtained parameters, so as to control the dosage in the cooling water pipe. In addition, the core control box also controls a blow-down valve to blow down according to the water quality concentration value monitored by the water quality monitoring sensor.
The utility model discloses simple structure, it adds the medicine parameter and confirms according to the monitoring result is automatic, adds the medicine volume and adds the medicine time and start as required, has improved the precision that hinders dirty and disinfect by a wide margin, has reduced the medicament input cost to can avoid because of the too much influence brought the sewage station of medicine volume.
Drawings
FIG. 1 is a block diagram of an automatic chemical feeding device of a cooling water system of a central air conditioner.
FIG. 2 is a block diagram of another automatic chemical feeding device for a cooling water system of a central air conditioner.
Detailed Description
As shown in fig. 1, an automatic chemical feeding device of a central air-conditioning cooling water system comprises a descaling chemical liquid tank 1, a sterilization chemical liquid tank 2, a descaling chemical pump 3 and a sterilization chemical pump 4, wherein the inlet of the descaling chemical pump 3 is communicated with the outlet of the descaling chemical liquid tank 2 through a pipeline, and the outlet of the descaling chemical pump 3 is communicated with the inlet of a cooling water pipe 5 through a pipeline; the entry of bactericidal medicine pump 4 passes through pipeline intercommunication bactericidal liquid case 2, and the export of bactericidal medicine pump 4 then communicates condenser tube 5 entry through the pipeline, and the entry of pipeline intercommunication cooling tower 7 is passed through in the export of cold water machine 6, cooling tower water tray 71 is provided with blowoff valve 8, still is provided with the water quality monitoring sensor 9 of detectable water quality concentration and pH value in the cooling tower water tray 71, water quality monitoring sensor 9 and core control case 10 communication connection, core control case 10 respectively with scale removal medicine pump 3, bactericidal medicine pump 4 and blowoff valve 8 control connection, cooling tower water tray 71 export passes through 11 entrys of pipeline intercommunication cooling water pump, 11 exports of cooling water pump intercommunication condenser tube 5 entrys.
The automatic dosing device is characterized in that a water quality monitoring sensor of the automatic dosing device can monitor the water quality concentration and the pH value data in the cooling water tray and transmit the data to the core control box, the core control box calculates corresponding dosing parameters according to a preset model, and controls the opening and closing time of the descaling chemical pump and the sterilization chemical pump according to the dosing parameters, so that the dosing quantity in the cooling water pipe is controlled. The scale inhibition and sterilization device can automatically control the dosage and the dosage time as required, greatly improve the scale inhibition and sterilization precision, reduce the dosage cost of the medicament, and avoid the influence on a sewage station caused by excessive dosage of the medicament.
The automatic dosing device of the central air-conditioning cooling water system is characterized in that a bypass flow pipeline 12 is connected in parallel with a pipeline for communicating the water chiller and the cooling tower, and a bypass flow magnetized water sterilizing device 13 is installed on the bypass flow pipeline. A part of cooling water flows through the by-pass flow magnetized water sterilization device of the by-pass flow pipeline to magnetize the water body, change the water molecule group and the charge characteristic, increase the oxygen content in the water, cause a great amount of death of anaerobic bacteria to achieve the sterilization effect, and prevent the formation of algae mud. Meanwhile, the resistance of the cooling pump can be effectively reduced, the circulation frequency is improved, and the water in the cooling tower can be quickly magnetized integrally.
The automatic dosing device of the central air-conditioning cooling water system comprises a jacket 131, a permanent magnet 132 is arranged in the jacket, cooling water flows through the permanent magnet in the jacket, and the magnetic force around the permanent magnet can magnetize a water body.
The central air-conditioning cooling water system automatic dosing device is characterized in that the core control box is connected with a cloud end 14 through a wireless network, and the cloud end can be simultaneously connected with the core control boxes of a plurality of machine rooms. The core control box is connected with the cloud end through a wireless network, and the cloud end has strong cloud storage and cloud computing capabilities, so that the core control box can be connected with the core control boxes of a plurality of machine rooms simultaneously to perform centralized control and storage, and cluster control is realized. Meanwhile, the remote terminal is connected with the cloud end to monitor and control the automatic dosing device on line, so that remote detection and control are conveniently carried out, and the efficient operation of the automatic dosing device is further improved.
Claims (4)
1. An automatic dosing device of a central air-conditioning cooling water system is characterized by comprising a descaling chemical liquid box (1), a sterilization chemical liquid box (2), a descaling chemical pump (3) and a sterilization chemical pump (4), wherein the inlet of the descaling chemical pump (3) is communicated with the outlet of the descaling chemical liquid box (1) through a pipeline, and the outlet of the descaling chemical pump (3) is communicated with the inlet of a cooling water pipe (5) through a pipeline; the entry of medicine pump (4) disinfects passes through pipeline intercommunication medicine liquid case (2) disinfects, and the export of medicine pump (4) disinfects then communicates cooling water pipe (5) entry through the pipeline, and entry of pipeline intercommunication cooling tower (7) is passed through in cold water machine (6) export, cooling tower water tray (71) are provided with blowoff valve (8), still are provided with water quality monitoring sensor (9) of detectable water quality concentration and pH value in cooling tower water tray (71), water quality monitoring sensor (9) and core control case (10) communication connection, core control case (10) respectively with scale removal medicine pump (3), medicine pump (4) disinfects and blowoff valve (8) control connection, cooling tower water tray (71) export passes through pipeline intercommunication cooling water pump (11) entry, cooling water pump (11) export intercommunication cooling water pipe (5) entry.
2. The automatic dosing device of a cooling water system of a central air conditioner as claimed in claim 1, wherein a bypass flow pipeline (12) is connected in parallel with a pipeline through which the water chiller (6) and the cooling tower (7) are communicated, and a bypass flow magnetized water sterilizing device (13) is installed on the bypass flow pipeline.
3. The automatic medicine adding device of the central air-conditioning cooling water system according to claim 2, wherein the side-stream magnetized water sterilizing device comprises a jacket (131), a permanent magnet (132) is installed in the jacket, cooling water flows through the permanent magnet in the jacket, and the magnetic force around the permanent magnet can magnetize the water body.
4. The automatic dosing device of a central air-conditioning cooling water system as claimed in claim 1, wherein the core control box is connected with a cloud end (14) through a wireless network, and the cloud end is simultaneously connected with the core control boxes of a plurality of machine rooms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375016.1U CN211921140U (en) | 2020-03-23 | 2020-03-23 | Automatic chemical feeding device of central air-conditioning cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375016.1U CN211921140U (en) | 2020-03-23 | 2020-03-23 | Automatic chemical feeding device of central air-conditioning cooling water system |
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| CN211921140U true CN211921140U (en) | 2020-11-13 |
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| CN202020375016.1U Active CN211921140U (en) | 2020-03-23 | 2020-03-23 | Automatic chemical feeding device of central air-conditioning cooling water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014388A (en) * | 2021-11-02 | 2022-02-08 | 深圳市天峻水处理技术有限公司 | Full-automatic new-energy medicine adding machine |
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2020
- 2020-03-23 CN CN202020375016.1U patent/CN211921140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014388A (en) * | 2021-11-02 | 2022-02-08 | 深圳市天峻水处理技术有限公司 | Full-automatic new-energy medicine adding machine |
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