CN215217338U - On-line automatic cleaning device for condenser of water-cooled water chilling unit - Google Patents
On-line automatic cleaning device for condenser of water-cooled water chilling unit Download PDFInfo
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- CN215217338U CN215217338U CN202120292874.4U CN202120292874U CN215217338U CN 215217338 U CN215217338 U CN 215217338U CN 202120292874 U CN202120292874 U CN 202120292874U CN 215217338 U CN215217338 U CN 215217338U
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Abstract
An on-line automatic cleaning device for a water-cooled water chilling unit condenser comprises a ball dispenser, a ball dispenser and a ball receiver, wherein the ball dispenser is connected with a cooling water inlet end of the water chilling unit condenser, the ball receiver is connected with a cooling water outlet end of the water chilling unit condenser, so that the ball dispenser, the water chilling unit condenser, the ball receiver and the ball dispenser form a closed-loop connection structure, a colloid cleaning ball is distributed in the closed-loop connection structure through the ball dispenser and flows to the ball dispenser, enters the cooling water inlet end of the water chilling unit condenser through the ball dispenser, enters a condenser copper pipe along with the flowing of cooling water until the cooling water outlet end of the water chilling unit condenser, and then flows to the ball dispenser after passing through the ball receiver. The utility model relates to an online instant abluent water-cooling type cooling water set condenser's self-cleaning device.
Description
Technical Field
The utility model belongs to the technical field of the maintenance of air conditioner technique and specifically relates to an online self-cleaning device that is used for water-cooling type cooling water set condenser is related to.
Background
The cooling water that widely used water-cooling type cooling water set condenser flowed on the current market contacted with external environment, can produce impurity such as a large amount of silt, dirt, attached microorganism, and these impurity can be attached to condenser copper intraductal surface, seriously reduce condenser heat exchange efficiency, increase refrigeration energy consumption simultaneously, influence cooling water set normal operating.
For cleaning the inner surface of a condenser copper pipe, an artificial mechanical brushing method is generally adopted at present, although the method has a good cleaning effect, the wall of the condenser pipe can be physically damaged to a certain extent, the load requirements of a unit need to be combined, the cleaning can be carried out only in a state of shutdown in transitional seasons such as winter and spring, and the like, and the cleaning of the condenser can not be realized in high-temperature seasons or high-load working conditions; and this cleaning method works very inefficiently.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an online instant abluent water-cooling type cooling water set condenser's self-cleaning device.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
an on-line automatic cleaning device for a water-cooled water chilling unit condenser comprises a ball dispenser, a ball dispenser and a ball receiver, wherein the ball dispenser is connected with a cooling water inlet end of the water chilling unit condenser, the ball receiver is connected with a cooling water outlet end of the water chilling unit condenser, so that the ball dispenser, the water chilling unit condenser, the ball receiver and the ball dispenser form a closed-loop connection structure, a colloid cleaning ball is distributed in the closed-loop connection structure through the ball dispenser and flows to the ball dispenser, enters the cooling water inlet end of the water chilling unit condenser through the ball dispenser, enters a condenser copper pipe along with the flowing of cooling water until the cooling water outlet end of the water chilling unit condenser, and then flows to the ball dispenser after passing through the ball receiver.
Furthermore, a controller is further arranged on the ball dispenser, a sensor is arranged in a cooling water outlet end pipeline of the condenser of the water chilling unit, and the sensor is connected with the controller.
Furthermore, the sensor is used for detecting a condenser exhaust pressure signal, and the sensor is connected with the controller and then transmits the detected condenser exhaust pressure signal to the controller.
Further, the controller is connected with the ball dispenser to control the starting of the ball dispenser, and when the sensor signal value received by the controller is larger than a set threshold value, the ball dispenser is controlled to start the cleaning function.
Furthermore, the ball collecting device is a ball catcher arranged in a cooling water outlet end pipeline of the condenser of the water chilling unit and facing the condenser of the water chilling unit.
Furthermore, a liquid sight glass is arranged on a connecting pipeline from the ball dispenser to the ball dispenser.
Compared with the prior art, the utility model discloses the advantage that possesses does:
1. the condenser can be automatically cleaned on line without shutdown in operation, sludge, dirt, attached microorganisms and other impurities in the cooling water are immediately discharged, and the full cleanliness and high heat exchange efficiency of the copper pipe of the condenser are ensured;
2. the functions of automatic sending, circular cleaning, automatic recovery and the like of the cleaning balls can be realized, and impurities are discharged through cleaning after the cleaning balls are recovered, so that the cleaning balls can be recycled;
3. the parameters can be fed back to the automatic cleaning device according to the running state of the condenser, and the online cleaning device is automatically started when the set upper limit of the exhaust pressure is reached; and the starting and the closing can be manually controlled according to the actual working condition, so that the dual-mode function is realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a ball dispenser, 2-a ball dispenser, 3-a ball collector, 4-a water chilling unit condenser, 41-a cooling water inlet end, 42-a cooling water outlet end, 43-a condenser copper pipe, 44-a magnetic suspension compressor, 5-a sensor and 6-night vision goggles.
Detailed Description
The invention will be further elucidated with reference to the drawings and the embodiments. It should be understood that the examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. It should be further understood that various simple equivalent changes and modifications can be made to the present invention by those skilled in the art after reading the contents of the present invention, and these equivalents also fall within the scope of the claims of the present application.
An on-line automatic cleaning device for a water-cooled chiller condenser 4 comprises a ball dispenser 1, a ball dispenser 2 and a ball collector 3 which are connected with the ball dispenser 1, the ball serving device 2 is connected with a cooling water inlet end 41 of a water chilling unit condenser 4, the ball receiving device 3 is connected with a cooling water outlet end 42 of the water chilling unit condenser 4, so that the ball serving device 1, the ball serving device 2, the water chilling unit condenser 4, the ball receiving device 3 and the ball serving device 1 form a closed loop connection structure, the colloid cleaning balls are sent out by the ball serving device 1 in the closed loop connection structure and circulate to the ball serving device 2, and enter the cooling water inlet end 41 of the water chilling unit condenser 4 through the ball serving device 2, and enters a condenser copper pipe 43 along with the flowing of the cooling water until reaching a cooling water outlet end 42 of a condenser 4 of the water chilling unit, and then flows into the ball dispenser 1 after passing through the ball collecting device 3.
Further, the ball dispenser 1 is further provided with a controller, a sensor 5 is arranged in a cooling water outlet end 42 pipeline of the water chilling unit condenser 4, and the sensor 5 is connected with the controller.
Further, the sensor 5 is a sensor 5 for detecting a condenser exhaust pressure signal, and the sensor 5 is connected with the controller and then transmits the detected condenser exhaust pressure signal to the controller.
Further, the controller is connected with the ball dispenser 1, controls the starting of the ball dispenser 1, controls the ball dispenser 1 to start and start the cleaning function when the signal value of the sensor 5 received by the controller is larger than a set threshold value, and is also provided with a manual starting function for manually controlling the starting of the ball dispenser 1.
Furthermore, the ball collecting device 3 is a ball catcher arranged in a pipeline at the cooling water outlet end 42 of the chiller condenser 4 and facing the chiller condenser.
Furthermore, a liquid sight glass 6 is arranged on a connecting pipeline between the ball dispenser 1 and the ball dispenser 2.
In the above, the sending device is used for sending the cleaning balls at the cooling water inlet end 41; the colloid cleaning ball is used for cleaning impurities on the wall of the copper pipe 43 and enabling the impurities to be attached to the surface of the cleaning ball; the ball collecting device 3 is used for recovering the cleaning balls at the cooling water outlet end 42 and discharging impurities; the controller is used for realizing the functions of automatic control and manual control; the sensor 5 is used for feeding back a condenser exhaust pressure signal to the controller, and automatically starting the cleaning device when the condenser exhaust pressure signal is larger than a set threshold value. When the condenser 4 of the water chilling unit is not cleaned, the pipe walls of the water inlet pipe contracted at the lower part of the cooling water inlet end 41 and the water return pipe contracted at the lower part of the cooling water outlet end 42 are recovered by the ball serving device 2 and the ball receiving device 3 respectively, when the condenser 4 of the water chilling unit is started for cleaning, the ball serving device 2 and the ball receiving device 3 automatically extend at the positions shown in the figure 1 respectively, wherein the diameter of the port of the ball receiving device 3 is the same as that of the cooling water outlet end, the percentage ball receiving rate is guaranteed, the ball receiving device 3 is of a net-shaped structure, and the diameter of the net is smaller than that of the ball, so that the recovery of cleaning balls can be realized, and the water flow of the cooling water is also guaranteed. The cleaning ball is not cleaned, and has the function of rubbing the pipe wall in the heat pipe along with the flow of water in the pipe wall, so that impurities such as silt, dirt, microorganisms and the like are not attached to the surface of the heat pipe and return to the water treatment purification and filtration device along with cooling water.
When the water chilling unit normally operates, the operating condition conditions are as follows: the temperature of the cooling water is 12-40 ℃, the pressure range is 0.5-3.5Bar, the colloid cleaning balls enter the heat exchange tube of the condenser along with the cooling water, and when the colloid cleaning balls are extruded to pass through the heat exchange tube, the spherical surface repeatedly extrudes the inner wall of the heat exchange tube so as to prevent impurities in the cooling water from attaching to the inner wall of the heat exchange tube to form a dirt layer. After being recovered by a colloid cleaning ball recovery device arranged on a water return pipeline of the cooling water of the condenser, the colloid cleaning ball is cleaned and returns to the ball dispenser 1 again to form a cycle. According to the actual running state of the water chilling unit, the automatic cleaning conditions, the cleaning frequency and the times are set through an automatic control program, and the online automatic cleaning function is achieved. For example, the automatic control logic is: (1) cleaning at 20:00 nights every day for 5 cycles; (2) cleaning at 20:00 monthly rate 1 every month for 10 cycles; (3) when the condenser exhaust pressure is more than 800Kpa, the automatic cleaning is carried out for 10 cycles.
The utility model discloses an online self-cleaning device realizes the periodic work of cleaning ball through cleaning ball send-receiver device, and the cleaning ball diameter of absorbing water is greater than the condenser pipe diameter, relies on condenser cooling water rivers as cleaning ball motion power, and the circulation circuit that flows through the condenser realizes self-cleaning condenser pipe wall. The online automatic cleaning device overcomes the defects that the condenser pipe wall is physically damaged due to cleaning only in a transition season, cleaning in a shutdown state and mechanical brushing and the like, realizes the innovative functions of online instant cleaning, automatic pollution discharge and recycling, and improves the operating benefits of the water-cooling type water chilling unit.
Taking a certain large-scale data center as an example, the water chilling unit provided with 16 centrifugal magnetic suspension compressors 44 with rated refrigerating capacity of 3MW is put into operation in 2018, the total annual average operation time is about 8760 hours, the phenomena of large condenser current, high exhaust pressure, large cooling water small temperature difference and the like are prominent after 1 year of operation, and the online automatic cleaning device for the condenser is additionally arranged in 2019, so that the cooling water return temperature and the refrigerant condensation temperature difference are always kept at 0.5-1.5 ℃ in the initial state of the putting into operation, the average temperature difference is about 0.6 ℃, and the high heat exchange efficiency of the condenser is kept.
Claims (6)
1. The utility model provides an online self-cleaning device of water-cooling type cooling water set condenser which characterized in that: the system comprises a ball dispenser, a ball dispenser and a ball collecting device, wherein the ball dispenser is connected with a cooling water inlet end of a condenser of a water chilling unit, the ball collecting device is connected with a cooling water outlet end of the condenser of the water chilling unit, so that the ball dispenser, the condenser of the water chilling unit, the ball collecting device and the ball dispenser form a closed-loop connection structure, a colloid cleaning ball is sent out through the ball dispenser in the closed-loop connection structure and circulates to the ball dispenser, enters the cooling water inlet end of the condenser of the water chilling unit through the ball dispenser, enters a condenser copper pipe along with the flowing of cooling water until reaching the cooling water outlet end of the condenser of the water chilling unit, and then circulates to the ball dispenser through the ball collecting device.
2. The on-line automatic cleaning device for the condenser of the water-cooling type water chilling unit according to claim 1, characterized in that: the ball dispenser is characterized in that a controller is further arranged on the ball dispenser, a sensor is arranged in a cooling water outlet end pipeline of the condenser of the water chilling unit, and the sensor is connected with the controller.
3. The on-line automatic cleaning device for the condenser of the water-cooling type water chilling unit according to claim 2, characterized in that: the sensor is used for detecting a condenser exhaust pressure signal, and the sensor is connected with the controller and then transmits the detected condenser exhaust pressure signal to the controller.
4. The on-line automatic cleaning device for the condenser of the water-cooling type water chilling unit according to claim 2 or 3, characterized in that: the controller is connected with the ball dispenser and controls the starting of the ball dispenser.
5. The on-line automatic cleaning device for the condenser of the water-cooling type water chilling unit according to claim 1, characterized in that: the ball collecting device is a ball catcher arranged in a cooling water outlet end pipeline of the condenser of the water chilling unit and facing the condenser of the water chilling unit.
6. The on-line automatic cleaning device for the condenser of the water-cooling type water chilling unit according to claim 1, characterized in that: and a liquid sight glass is arranged on a connecting pipeline from the ball dispenser to the ball dispenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292874.4U CN215217338U (en) | 2021-02-02 | 2021-02-02 | On-line automatic cleaning device for condenser of water-cooled water chilling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292874.4U CN215217338U (en) | 2021-02-02 | 2021-02-02 | On-line automatic cleaning device for condenser of water-cooled water chilling unit |
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| CN215217338U true CN215217338U (en) | 2021-12-17 |
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| CN202120292874.4U Active CN215217338U (en) | 2021-02-02 | 2021-02-02 | On-line automatic cleaning device for condenser of water-cooled water chilling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505412A (en) * | 2024-01-04 | 2024-02-06 | 江苏盖德冷冻机有限公司 | Automatic sewage disposal device for evaporation type screw brine machine set and use method |
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2021
- 2021-02-02 CN CN202120292874.4U patent/CN215217338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505412A (en) * | 2024-01-04 | 2024-02-06 | 江苏盖德冷冻机有限公司 | Automatic sewage disposal device for evaporation type screw brine machine set and use method |
| CN117505412B (en) * | 2024-01-04 | 2024-03-26 | 江苏盖德冷冻机有限公司 | Automatic sewage disposal device for evaporation type screw brine machine set and use method |
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