CN221033137U - Integrated circulating liquid cooling dry vacuum unit - Google Patents
Integrated circulating liquid cooling dry vacuum unit Download PDFInfo
- Publication number
- CN221033137U CN221033137U CN202322920636.5U CN202322920636U CN221033137U CN 221033137 U CN221033137 U CN 221033137U CN 202322920636 U CN202322920636 U CN 202322920636U CN 221033137 U CN221033137 U CN 221033137U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- unit
- pump
- circulating
- roots
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 81
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses an integrated circulating liquid cooling dry vacuum unit which comprises a unit box, wherein a screw vacuum pump is arranged at one end of the unit box, a Roots vacuum pump is arranged at one end of the unit box, the Roots vacuum pump and the screw vacuum pump are correspondingly arranged, a circulating pump is arranged at one end of the inner wall of the unit box, the upper end of the circulating pump is connected with a Y-shaped filter, a heat exchanger is arranged at the bottom end of the inner wall of the unit box, and a liquid storage tank is arranged at the upper end of the unit box. The utility model provides a circulating pump powered by a liquid cooling circulating system, and the antifreezing fluid enters the screw vacuum pump and the Roots vacuum pump through the heat exchanger, then enters the liquid storage tank, flows through the Y-shaped filter and then enters the circulating pump, thus completing the whole circulation. The fan rotating speed of the heat exchanger is controlled through the temperature sensor, and the temperature of the system is kept constant, so that the effect of avoiding equipment failure and shutdown caused by unbalanced heat dissipation or water quality problems is achieved, and meanwhile, the advantages of maintaining the temperature of the system, saving energy and reducing cost of the intelligent control module are achieved.
Description
Technical Field
The utility model belongs to the technical field of vacuum machines, and particularly relates to an integrated circulating liquid cooling dry vacuum unit.
Background
The water ring vacuum unit is formed by taking a Roots pump as a main pump and taking the water ring pump as a backing pump in series. The water ring pump selected by the water ring vacuum unit becomes a front-stage pump more beneficial than other vacuum pumps because the water ring pump overcomes the limit pressure difference when a single water ring pump is used.
However, the prior art has some problems: at present, the Roots vacuum pump and the screw vacuum pump generally adopt an external circulating water cooling or air cooling mode. When the water is externally connected with the factory circulating water, the water temperature and the water quality are uncontrollable. Too low water temperature can cause condensation of part of condensable gas in the pump cavity, and too high water temperature can cause untimely heat accumulation during heat dissipation; in the case of harder water quality, or in the case of scale deposition, clogging the cooling water passages. When the pump is used in a cold environment, cooling water in the equipment needs to be discharged at each stop, or the water is frozen and expanded in the pump body to cause equipment damage. The air cooling is only suitable for part of vacuum units with small types and small heating values and has large use limitation, so we propose an integrated circulating liquid cooling dry vacuum unit.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model aims to provide an integrated circulating liquid cooling dry vacuum unit, which forms an integrated liquid cooling circulating system by skid-mounting a Roots vacuum pump, a screw vacuum pump, a heat exchanger, a circulating pump and the like, adds antifreeze, and configures an intelligent control module to control the running temperature of the system, thereby achieving the effect of avoiding equipment failure shutdown caused by unbalanced heat dissipation or water quality.
The utility model discloses an integrated circulating liquid cooling dry vacuum unit, which comprises a unit box, wherein a screw vacuum pump is arranged at one end of the unit box, a Roots vacuum pump is arranged at one end of the unit box, the Roots vacuum pump and the screw vacuum pump are correspondingly arranged, a circulating pump is fixedly arranged at one end of the inner wall of the unit box, a Y-shaped filter is connected at the upper end of the circulating pump in a conveying manner, a heat exchanger is fixedly arranged at the bottom end of the inner wall of the unit box, a liquid storage tank is arranged at the upper end of the unit box, and a liquid discharge valve is fixedly arranged at the other end of the unit box.
Optionally, unit case one end fixed mounting has the second base, second base surface fixed mounting has the screw vacuum pump, screw vacuum pump lateral wall is connected with screw vacuum pump input tube, screw vacuum pump passes through screw vacuum pump input tube and heat exchanger transmission connection.
Optionally, a screw vacuum pump output pipe is arranged at the upper end of the screw vacuum pump, and the screw vacuum pump is in conveying connection with the liquid storage tank through the screw vacuum pump output pipe.
Optionally, unit case one end fixed mounting has first base, first base is corresponding setting with the second base, first base surface fixed mounting has the roots vacuum pump.
Optionally, the roots vacuum pump lateral wall is connected with roots vacuum pump input tube, roots vacuum pump passes through roots vacuum pump input tube and heat exchanger transmission connection, roots vacuum pump upper end is provided with roots vacuum pump output tube, roots vacuum pump passes through roots vacuum pump output tube and is connected with the liquid reserve tank transportation.
Optionally, the heat exchanger includes heat exchange box and heat exchange fan, the heat exchange box is square setting, heat exchange box one end is provided with heat exchange fan, heat exchange box lateral wall transmission is connected with the circulating pump.
Optionally, the input end of the upper end of the circulating pump is provided with a Y-shaped filter, the output end of the lower end of the circulating pump is provided with a second liquid flow pipe, and the circulating pump is in transmission connection with the heat exchange box through the second liquid flow pipe.
Optionally, the Y type filter upper end is provided with first liquid flow pipe, square hole has been seted up to unit case upper end, and is corresponding setting with Y type filter, Y type filter passes through first liquid flow pipe and liquid reserve tank transmission connection.
Optionally, four groups of air outlets are formed in the side wall of the unit box, and the air outlets are arranged in a strip shape so as to facilitate ventilation of the heat exchanger.
Optionally, the unit case lateral wall is provided with water flow switch, and is located air exit one side, the unit case lateral wall is provided with fixed mounting and has temperature sensor, and is located the air exit opposite side.
Compared with the prior art, the utility model has the beneficial effects that:
The circulating pump is powered by the liquid cooling circulating system, the antifreeze fluid enters the screw vacuum pump and the Roots vacuum pump through the heat exchanger, then enters the liquid storage tank, flows through the Y-shaped filter and then enters the circulating pump, and the whole circulation is completed. The intelligent control module controls the rotating speed of the heat exchanger fan through the temperature sensor, maintains the temperature of the system constant, and realizes the alarm and shutdown if the temperature of the system is abnormal. The cooling liquid state is detected through the water flow switch, and the circulating pump is protected, so that the effect of avoiding equipment fault shutdown caused by unbalanced heat dissipation or water quality problems is achieved, meanwhile, the integrated skid-mounted design structure is compact, the occupied area is small, and the intelligent control module maintains the effects of stable system temperature, energy conservation and factory building input cost reduction.
Drawings
FIG. 1 is a schematic view of the structure provided by the present utility model;
FIG. 2 is a plan view of the present utility model;
FIG. 3 is a schematic view of a screw vacuum pump provided by the present utility model;
FIG. 4 is a schematic view of a Roots vacuum pump provided by the present utility model;
FIG. 5 is a schematic diagram of a Y-filter and a circulation pump provided by the present utility model;
fig. 6 is a schematic view of a heat exchanger provided by the present utility model.
In the figure: 1. a screw vacuum pump; 2. roots vacuum pump; 3. a liquid storage tank; 4. a Y-type filter; 5. a circulation pump; 6. a water flow switch; 7. a heat exchanger; 701. a heat exchange box; 702. a heat exchange fan; 8. a temperature sensor; 9. a liquid discharge valve; 10. a unit box; 11. a first liquid flow tube; 12. a first base; 13. a second base; 14. a second liquid flow tube; 15. an output pipe of the screw vacuum pump; 16. a screw vacuum pump input pipe; 17. a Roots vacuum pump input tube; 18. output pipe of Roots vacuum pump; 19. and an air outlet.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the integrated circulating liquid cooling dry vacuum unit provided by the embodiment of the utility model comprises a unit box 10, wherein one end of the unit box 10 is provided with a screw vacuum pump 1, one end of the screw vacuum pump 1 is provided with an exhaust functional unit box 10, one end of the screw vacuum pump 1 is provided with a Roots vacuum pump 2, the Roots vacuum pump 2 is provided with an air inlet function, the Roots vacuum pump and the screw vacuum pump are correspondingly arranged, a circulating pump 5 is fixedly arranged at one end of the inner wall of the unit box 10, the whole liquid cooling circulating system is powered by the circulating pump 5, when the circulating pump 5 starts to start, antifreeze starts to be conveyed into the heat exchanger 7, and then the inside of the heat exchanger 7 carries out constant-temperature adjustment on the antifreeze, so that the antifreeze can enter the next link in a stable effect, and then is branched into two groups of pipelines from the heat exchanger 7 to flow into the screw vacuum pump 1 and the Roots vacuum pump 2.
The circulation pump 5 upper end is carried and is connected with Y type filter 4, unit case 10 inner wall bottom fixed mounting has heat exchanger 7, unit case 10 upper end is provided with liquid reserve tank 3, unit case 10 other end fixed mounting has flowing back valve 9, after the anti-freezing fluid carries out first time vacuum filtration from screw vacuum pump 1 and roots vacuum pump 2, screw vacuum pump 1 carries anti-freezing fluid to liquid reserve tank 3 simultaneously with roots vacuum pump 2, after carrying to liquid reserve tank 3, liquid reserve tank 3 carries anti-freezing fluid to Y type filter 4, Y type filter 4 carries anti-freezing fluid to circulation pump 5 afterwards, thereby accomplish the operation of a whole liquid cooling circulation system, the utility model discloses integral type circulation liquid cooling system need not to provide the cooling water, reduce factory building input cost, and set up as an organic whole sled dress formula design compact structure, area is little, plug-in is convenient and fast.
Therefore, the system has the effects of preventing freezing, boiling, rust and corrosion by using the antifreezing solution, can not generate scale in the pipeline and the interlayer, can be continuously used in a low-temperature environment, and does not need to stop and discharge the cooling water of the system every time.
The unit box 10 is fixedly provided with a second base 13 at one end, the second base 13 plays a role of stabilizing the operation of the screw vacuum pump 1 on the surface of the unit box, the screw vacuum pump 1 is fixedly arranged on the surface of the second base 13, the side wall of the screw vacuum pump 1 is connected with a screw vacuum pump input pipe 16, one end of the screw vacuum pump input pipe 16 is connected with the heat exchanger 7, the other end of the screw vacuum pump input pipe is connected with the screw vacuum pump 1, when the heat exchanger 7 conveys frozen liquid to the screw vacuum pump 1, the screw vacuum pump 1 starts to operate, then the screw vacuum pump 1 conveys the frozen liquid to the liquid storage box 3 through a screw vacuum pump output pipe 15, the liquid storage box 3 is enabled to continuously convey the frozen liquid to the next device after the frozen liquid is reserved, the screw vacuum pump 1 is connected with the heat exchanger 7 through the screw vacuum pump input pipe 16, and the screw vacuum pump 1 is provided with a screw vacuum pump output pipe 15 at the upper end and the screw vacuum pump 1 is connected with the liquid storage box 3 through the screw vacuum pump output pipe 15.
The unit box 10 is fixedly provided with a first base 12 at one end, the first base 12 plays a role of stabilizing the Roots vacuum pump 2 to run on the surface of the unit box, the first base 12 and the second base 13 are correspondingly arranged, the first base 12 is positioned at the lower end of the unit box 10, the second base 13 is positioned above the first base 12, the Roots vacuum pump 2 is fixedly arranged on the surface of the first base 12, the side wall of the Roots vacuum pump 2 is connected with a Roots vacuum pump input pipe 17, one end of the Roots vacuum pump input pipe 17 is connected with the heat exchanger 7, the other end of the Roots vacuum pump input pipe 17 is connected with the Roots vacuum pump 2, when the heat exchanger 7 conveys frozen liquid to the Roots vacuum pump 2, the Roots vacuum pump 2 starts to run, then the Roots vacuum pump 2 conveys the frozen liquid to the liquid storage box 3 through the Roots vacuum pump output pipe 18, the stored frozen liquid in the liquid storage box 3 is continuously conveyed to the next equipment after the frozen liquid is stored, the Roots vacuum pump 2 is in the Roots vacuum pump 2 through the Roots vacuum pump input pipe 17 and is in transmission connection with the heat exchanger 7, the Roots vacuum pump 2 is provided with the Roots vacuum pump output pipe 18, and the Roots vacuum pump 2 is connected with the Roots vacuum pump 3 through the Roots vacuum pump output pipe 3.
The heat exchanger 7 includes heat exchange box 701 and heat exchange fan 702, heat exchange box 701 is square setting, heat exchange box 701 is inside to be provided with the pipeline and is used for circulating the coolant liquid, branch is two sets of pipelines and carries to screw vacuum pump 1 and roots vacuum pump 2 respectively afterwards, after the coolant liquid circulates to heat exchange box 701 in, heat exchange fan 702 is inwards cooled down, make the coolant liquid reach a homothermal effect, intelligent control module maintains system temperature steady, energy-conservation, protect dry vacuum unit's steady operation, heat exchange box 701 one end is provided with heat exchange fan 702, heat exchange box 701 lateral wall transmission is connected with circulating pump 5.
The upper end input end of the circulating pump 5 is provided with a Y-shaped filter 4, the lower end output end of the circulating pump 5 is provided with a second liquid flow pipe 14, the circulating pump 5 is in transmission connection with the heat exchange box 701 through the second liquid flow pipe 14, when the Y-shaped filter 4 filters the cooling liquid in the previous step and then transmits the cooling liquid to the circulating pump 5 for next circulation, and then the circulating pump 5 transmits the cooling liquid to the heat exchange box 701 through the second liquid flow pipe 14, so that a reciprocating circulation is performed.
The upper end of the Y-shaped filter 4 is provided with a first liquid flow pipe 11, the upper end of the unit box 10 is provided with a square hole, the square hole is provided with the first liquid flow pipe 11 for convenient installation, the whole first liquid flow pipe 11 is arranged in an L shape and is correspondingly arranged with the Y-shaped filter 4, the Y-shaped filter 4 is in transmission connection with the liquid storage tank 3 through the first liquid flow pipe 11, after a certain amount of cooling liquid is reserved in the liquid storage tank 3, the liquid storage tank 3 conveys the cooling liquid to the Y-shaped filter 4 to filter, the Y-shaped filter 4 conveys the cooling liquid to the circulating pump 5 after filtering, and the reciprocating circulation is carried out, so that the whole unit machine forms a better integrated circulating liquid cooling system.
Four sets of air outlets 19 have been seted up to unit case 10 lateral wall, and air outlet 19 is rectangular shape setting, so that heat exchanger 7 ventilates, thereby can make the coolant liquid reach a constant temperature's effect, unit case 10 lateral wall is provided with water flow switch 6, if system temperature is unusual, realize reporting to the police and shut down, detect the coolant liquid state through water flow switch 6, thereby play the effect of protection 5 circulating pumps, and be located air outlet 19 one side, unit case 10 lateral wall is provided with fixed mounting and has temperature sensor 8, intelligent control module passes through temperature sensor 8 control heat exchanger 7 fan rotational speed, thereby play the invariable effect of maintenance system temperature, and be located the air outlet 19 opposite side.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an integral type circulation liquid cooling dry-type vacuum unit, includes unit case (10), its characterized in that: the utility model discloses a unit case, including unit case (10), screw rod vacuum pump (1), unit case (10) one end is provided with roots vacuum pump (2), and roots vacuum pump (2) are corresponding setting with screw rod vacuum pump (1), unit case (10) inner wall one end fixed mounting has circulating pump (5), circulating pump (5) upper end is carried and is connected with Y type filter (4), unit case (10) inner wall bottom fixed mounting has heat exchanger (7), unit case (10) upper end is provided with liquid reserve tank (3), unit case (10) other end fixed mounting has flowing back valve (9).
2. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: the unit box (10) one end fixed mounting has second base (13), second base (13) fixed surface installs screw vacuum pump (1), screw vacuum pump (1) lateral wall is connected with screw vacuum pump input tube (16), screw vacuum pump (1) are through screw vacuum pump input tube (16) and heat exchanger (7) transmission connection.
3. The integrated circulating liquid cooled dry vacuum unit of claim 2, wherein: the upper end of the screw vacuum pump (1) is provided with a screw vacuum pump output pipe (15), and the screw vacuum pump (1) is in conveying connection with the liquid storage tank (3) through the screw vacuum pump output pipe (15).
4. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: a first base (12) is fixedly arranged at one end of the unit box (10), the first base (12) and a second base (13) are correspondingly arranged, and a Roots vacuum pump (2) is fixedly arranged on the surface of the first base (12).
5. The integrated circulating liquid cooled dry vacuum unit of claim 4, wherein: roots vacuum pump (2) lateral wall is connected with Roots vacuum pump input tube (17), roots vacuum pump (2) are connected with heat exchanger (7) transmission through Roots vacuum pump input tube (17), roots vacuum pump (2) upper end is provided with Roots vacuum pump output tube (18), roots vacuum pump (2) are connected with liquid reserve tank (3) transmission through Roots vacuum pump output tube (18).
6. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: the heat exchanger (7) comprises a heat exchange box (701) and a heat exchange fan (702), wherein the heat exchange box (701) is square, the heat exchange fan (702) is arranged at one end of the heat exchange box (701), and a circulating pump (5) is connected to the side wall of the heat exchange box (701) in a transmission mode.
7. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: the circulating pump (5) is provided with a Y-shaped filter (4) at the upper end input end, a second liquid flow pipe (14) is arranged at the lower end output end of the circulating pump (5), and the circulating pump (5) is in transmission connection with the heat exchange box (701) through the second liquid flow pipe (14).
8. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: the Y-shaped filter is characterized in that a first liquid flow pipe (11) is arranged at the upper end of the Y-shaped filter (4), square holes are formed in the upper end of the unit box (10), the square holes are correspondingly formed in the Y-shaped filter (4), and the Y-shaped filter (4) is in transmission connection with the liquid storage box (3) through the first liquid flow pipe (11).
9. The integrated circulating liquid cooled dry vacuum unit of claim 1, wherein: four groups of air outlets (19) are formed in the side wall of the unit box (10), and the air outlets (19) are arranged in a strip shape so that the heat exchanger (7) can be conveniently ventilated.
10. The integrated circulating liquid cooled dry vacuum unit of claim 9, wherein: the side wall of the unit box (10) is provided with a water flow switch (6) and is positioned at one side of the air outlet (19), and the side wall of the unit box (10) is provided with a temperature sensor (8) which is fixedly installed and is positioned at the other side of the air outlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920636.5U CN221033137U (en) | 2023-10-31 | 2023-10-31 | Integrated circulating liquid cooling dry vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920636.5U CN221033137U (en) | 2023-10-31 | 2023-10-31 | Integrated circulating liquid cooling dry vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033137U true CN221033137U (en) | 2024-05-28 |
Family
ID=91140647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322920636.5U Active CN221033137U (en) | 2023-10-31 | 2023-10-31 | Integrated circulating liquid cooling dry vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033137U (en) |
-
2023
- 2023-10-31 CN CN202322920636.5U patent/CN221033137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207963066U (en) | A kind of shield machine environment temperature intelligence control system | |
| CN104457002B (en) | Integrated double-cooling water chilling unit | |
| CN206724551U (en) | Intelligent control integrates cold station | |
| CN104613703A (en) | Cooling water circulation system and control method | |
| CN221033137U (en) | Integrated circulating liquid cooling dry vacuum unit | |
| CN106949753A (en) | A kind of control method of the changeable vacuum system of Air-cooled Unit full working scope | |
| CN100538929C (en) | The cooling device of power transformer | |
| CN207740140U (en) | The economic benefits and social benefits cooling device of Long-distance Transmission Pipeline booster station compressor | |
| CN104879865B (en) | A kind of chilled water storage system being adapted in transition season and winter operation | |
| CN101539317A (en) | Assembling unit for filtering, heating and blowing and configuration method thereof | |
| CN205980107U (en) | A CO2 refrigerating system for high heat density data center | |
| CN106196730A (en) | A kind of air energy Water temp controller group and use its water-bath system | |
| CN207649153U (en) | A kind of industrial air-cooled dual-purpose chilled water system of water cooling | |
| CN106288883A (en) | Energy-recuperation system | |
| CN103398506B (en) | Mining combined cold-and-heat-supplying sewage-source cold and hot water unit and controlling method thereof | |
| CN112665256B (en) | Ice machine energy-saving control system capable of automatically adding chemicals and removing scale and operation method thereof | |
| CN212431458U (en) | Chilled water circulation system | |
| CN205283375U (en) | Cooling device of power module | |
| CN210570024U (en) | Water supply control system of precision forging production line | |
| CN204373124U (en) | A kind of IDC machine room refrigerating plant | |
| JP2001141329A (en) | Sea water cooling system | |
| CN204963054U (en) | Refrigerating system was retrieved to energy winter | |
| CN204063661U (en) | The accurate heat-exchange system of a kind of air-cooled split type frozen water machine | |
| CN204063778U (en) | The accurate heat-exchange system of a kind of air-cooled integral type frozen water machine | |
| CN117687487B (en) | Self-configuration cold and heat source liquid cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |