CN218760447U - Intelligent external indirect cooler for vacuum pump - Google Patents
Intelligent external indirect cooler for vacuum pump Download PDFInfo
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- CN218760447U CN218760447U CN202222717743.3U CN202222717743U CN218760447U CN 218760447 U CN218760447 U CN 218760447U CN 202222717743 U CN202222717743 U CN 202222717743U CN 218760447 U CN218760447 U CN 218760447U
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- cooling water
- cooling
- vacuum pump
- cooler
- heat exchange
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Abstract
The utility model discloses an intelligent external indirect cooler for a vacuum pump, belonging to the technical field of vacuum pumps, comprising a cooler shell externally connected to the outer side of a vacuum pump body, wherein a heat exchanger is arranged in the cooler shell, the heat exchanger adopts a tube type structure, cooling liquid is filled in a heat exchange tube of the heat exchanger, and the heat exchange tube of the heat exchanger is communicated with the vacuum pump body to jointly form a cooling liquid loop; the cooler shell is communicated with an external cooling water source, a cooling inlet and a cooling outlet for the entry and the discharge of cooling water are arranged on the cooler shell, the cooler shell and the external cooling water source jointly form a cooling water loop, cooling liquid in the cooling liquid loop is cooled by the cooling water in the cooling water loop, and a temperature sensor is arranged in the vacuum pump body; the utility model discloses indirect cooling's mode reduces the quality of water requirement, carries out the flow control of cooling water through the real-time feedback of temperature sensor, realizes accurate cooling temperature control, guarantees work efficiency.
Description
Technical Field
The utility model relates to a vacuum pump technical field, concretely relates to intelligent external indirect cooler for vacuum pump.
Background
At present, among rough medium vacuum obtaining devices, the displacement vacuum pump is most widely applied, such as a screw type, a claw type, a liquid ring type and the like, and the vacuum pressure is obtained mainly through the change of the volume. In the process of volume change of gas, the volume of the gas can generate compression change, in order to obtain the process of approximate isothermal compression, the compressed gas can be cooled in the working process of the vacuum pump, and the vacuum pump can be matched with a cooler. The principle of the cooler is divided into two forms, namely air cooling and water cooling.
The air-cooled cooler can purchase a forced air-cooled form due to the influence of site water sources, but the cooling effect and the cooling efficiency are general. The water cooling type cold region ware, the cooling effect is better than the forced air cooling, but needs the scene can provide the cooling water source. At present, a water-cooling cooler is adopted in a mainstream vacuum pump, cooling water is supplied from the outside, and the cooling water is forced to enter a pump shell of the vacuum pump to exchange heat.
The water-cooling type cooling mode has good effect, but has high requirement on the provided water source and has the requirements on the temperature and the quality of water. Because of directly carrying out the heat exchange, pressure and the flow of the cooling water that provides to the external world do not have the control, problem control to the compressed gas in the pump, will cause the excessive or not enough phenomenon of cooling easily, it is excessive to cool off, will cause the compressed gas condensation to separate out liquid, cause the corruption to the inside rotor of pump, injury such as liquid attack, if the cooling is insufficient, cause the high temperature, can lead to the efficiency decline of pump, high temperature can lead to harm such as the medium carbonization of extraction simultaneously, the high-order can lead to the metal thermal expansion in the pump rotor simultaneously, the fit clearance of rotor reduces, can produce the locking phenomenon. In addition, poor water quality can also corrode and scale the pump shell, thereby causing the subsequent heat exchange efficiency to be reduced.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: the outside water source that directly uses to current vacuum pump cools off, requires high to quality of water, and the while cooling temperature is wayward not enough, the utility model discloses a carry out the vacuum pump cooling indirectly, easily control cooling temperature simultaneously, the vacuum pump that the reliability is high is with intelligent external indirect cooler.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
an intelligent external indirect cooler for a vacuum pump comprises a cooler shell externally connected to the outer side of a vacuum pump body, wherein a heat exchanger is arranged in the cooler shell, the heat exchanger adopts a tube type structure, cooling liquid is filled in a heat exchange tube of the heat exchanger, and the heat exchange tube of the heat exchanger is communicated with the vacuum pump body to jointly form a cooling liquid loop; the cooler casing communicates with outside cooling water source, sets up on the cooler casing and is used for the cooling water to get into and exhaust cooling inlet and cooling outlet, and the cooler casing forms the cooling water return circuit with outside cooling water source jointly, cools down the cooling liquid in the cooling liquid return circuit through the cooling water in the cooling water return circuit, is equipped with in the vacuum pump body to be used for detecting the temperature of coolant liquid and feeds back to the temperature sensor that the cooling water source carries out the coolant volume adjustment.
Preferably, the utility model discloses a cooler housing includes that the shape all is equipped with the apron for the casing main part of circular cylinder at casing main part's upper and lower both ends, and is sealed through O type circle between apron and the casing main part, has connect a attach fitting respectively soon on the apron, and casing main part forms the cooling water return circuit through two attach fittings and cooling water source.
Preferably, the utility model discloses the attach fitting that is located casing main part below apron is the cooling water inlet joint, and the attach fitting that is located casing main part top apron is the cooling water outlet joint, and the cooling water flows from bottom to top, sets up the flow ratio control valve that is used for controlling cooling water flow on the pipeline before the cooling water gets into the cooling water inlet joint, and temperature sensor is connected with flow ratio control valve electricity, and flow ratio control valve controls the flow of cooling water according to the temperature data of temperature sensor feedback.
Preferably, the utility model discloses a heat exchange tube of heat exchanger adopts the bronze material, and every heat exchange tube all adopts two segmentation structures, connects through the elastic expansion joint between two sections heat exchange tubes.
Preferably, the utility model discloses a through threaded connection between heat exchange tube and the cooler casing, the screw thread that is located same heat exchange tube both ends revolves to opposite, when the rotating heat exchange tube was assembled, the both ends of heat exchange tube were locked in step.
Has the advantages that: the utility model provides an intelligent external indirect cooler for vacuum pump has following beneficial effect:
1. the utility model discloses can change different heat transfer area's cooler core according to the heat transfer requirement of the vacuum pump of difference, the body structure of cooler need not to change, can adapt to the vacuum pump of different discharge capacity models, has reduced the design cost, has higher economic benefits.
2. The utility model discloses use the cooling water to cool off indirectly, it is lower to the requirement for quality of cooling water, because of the indirect pump body of cooling water, have better guard action to the pump body, can not cause the corrosion scale deposit phenomenon. After the cooler core is used for a long time, if scales exist, the cooler core can be detached, cleaned or replaced, and the operation is simple and convenient.
3. Because of the pump body has higher requirement to the efficiency of heat transfer, external cooling water can receive ambient temperature's influence simultaneously, can bring the instability for the heat transfer efficiency of the pump body, and through the supply of flow ratio governing valve cooperation temperature sensor control cooling water flow, not only the heat transfer is stable, also has economic environmental protection's effect simultaneously.
4. The utility model discloses a heat exchange tube adopts two segmentation structures, and the centre uses elastic expansion joint to dock, can satisfy the deformation demand because of expend with heat and contract with cold production, and the both ends of heat exchange tube are used simultaneously and are revolved to opposite screw, when the rotating heat exchange tube is installed, and both ends can be in the screw in cooler casing in step, can not produce the distortion, can give way the space of elastic expansion joint deformation simultaneously, have reduced the installation degree of difficulty, and convenient to detach carries out cleaing away of incrustation scale.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line C-C of FIG. 1;
the device comprises a cooler shell, a heat exchanger 2, a shell main body 3, a cover plate 4, an O-shaped ring 5, a cooling water inlet joint 6, a cooling water outlet joint 7 and a flow ratio regulating valve 8.
Detailed Description
The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.
As shown in fig. 1 and fig. 2, the utility model discloses an intelligent external indirect cooler for vacuum pump, which comprises a cooler housing 1 externally connected to the outer side of the vacuum pump body, a heat exchanger 2 is arranged in the cooler housing 1, the heat exchanger 2 adopts a tube array structure, cooling liquid is filled in the heat exchange tube of the heat exchanger 2, and the heat exchange tube of the heat exchanger 2 is communicated with the vacuum pump body to jointly form a cooling liquid loop; cooler casing 1 and outside cooling water source intercommunication set up on cooler casing 1 and are used for the cooling water to get into and exhaust cooling inlet and cooling outlet, cooler casing 1 forms the cooling water return circuit with outside cooling water source jointly, and the cooling liquid through the cooling water in the cooling water return circuit in to the cooling liquid return circuit cools down, is equipped with in the vacuum pump body to be used for detecting the temperature of cooling liquid and feeds back to the temperature sensor that cooling water source carries out the cooling water volume adjustment.
Temperature sensor can the compressed gas temperature in the real-time supervision vacuum pump, can correspond the flow adjustment who carries out the cooling water according to the temperature data of temperature sensor feedback, and then the temperature of the coolant liquid that changes entering vacuum pump, it is specific, the utility model discloses a cooler housing 1 includes that the shape is the casing main part 3 of circular cylinder, all be equipped with apron 4 at the upper and lower both ends of casing main part 3, it is sealed through O type circle 5 between apron 4 and the casing main part 3, it has a joint to connect soon respectively on apron 4, casing main part 3 forms the cooling water return circuit with cooling water source through two joint, the joint that is located casing main part 3 below apron is cooling water inlet joint 6, the joint that is located casing main part 3 top apron is cooling water outlet joint 7, the cooling water flows from bottom to top, set up the flow ratio governing valve 8 that is used for controlling cooling water flow on the pipeline before the cooling water gets into cooling water inlet joint 6, temperature sensor is connected with flow ratio governing valve 8 electricity, flow ratio governing valve 8 controls the flow of cooling water according to the temperature data of temperature sensor feedback. Realize that intelligence is automatic to compressed air's temperature control, avoid appearing liquid because of the compressed gas condensation that the cooling excessively produced, cause harm problems such as corruption, liquid attack to the inside rotor of pump to and the efficiency of the pump that the cooling does not fully cause descends, and high temperature can lead to the medium carbonization scheduling problem of extraction simultaneously, ensures the normal high-efficient operation of vacuum pump.
The cooling liquid cools the compressed air, and the cooling water is used as a cold source to cool the cooling liquid, so that the heat exchange tubes generate a thermal barrier cold contraction phenomenon, the heat exchange tubes of the heat exchanger 2 are made of bronze materials, each heat exchange tube is of a two-section structure, the two heat exchange tubes are connected through an elastic expansion joint, and the elastic expansion joint absorbs deformation to avoid damage of a rigid structure; the incrustation scale can be produced in the heat exchange tube outside because of receiving the washing away of cooling water for a long time, influences heat exchange efficiency, dismantles and the scale removal for being convenient for, the utility model discloses a through threaded connection between heat exchange tube and the cooler casing 1, the screw thread that is located same heat exchange tube both ends revolves to on the contrary, when rotating the heat exchange tube and assembling, the both ends of heat exchange tube are locked in step, and the dismouting is swift, easily operation.
The utility model discloses an intelligent external indirect cooler for vacuum pump accomplishes the connection with the pump body of vacuum book when using, can directly adopt fixed connection, or when the on-the-spot installation condition restricts, carries out flexible connection through the hose, and the connected mode is nimble, and the commonality is good; in order to be suitable for different working environments, cooling liquid in a cooler enters a pump body to cool compressed air, the cooling liquid needs to adopt a cooling medium with a low freezing point to avoid freezing, the cooling liquid brings heat out of the interior of a vacuum pump body, heat exchange is carried out between the cooling liquid and cooling water in a heat exchanger through the pipe wall of a heat exchange pipe, the cooling water enters from a cooling water inlet joint 6 and flows out from a cooling water outlet joint 7 at the upper part, the cooled cooling liquid enters the vacuum pump body again, the heat exchange process is repeated, when the temperature of the compressed air changes, a temperature sensor feeds back temperature data, and a flow proportion adjusting valve 8 increases or reduces the flow of the cooling water according to the temperature data; after the cooler works for a period of time, the incrustation scale can be generated in the outer side of the heat exchange tube due to the long-time scouring of the cooling water, the heat exchange efficiency is influenced, the cooling tube can be disassembled at the moment, the incrustation scale is taken out by cleaning, the operation is convenient and fast, and the vacuum pump body is not influenced.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (5)
1. An intelligent external indirect cooler for a vacuum pump is characterized by comprising a cooler shell (1) externally connected to the outer side of a vacuum pump body, wherein a heat exchanger (2) is arranged in the cooler shell (1), the heat exchanger (2) adopts a tube type structure, cooling liquid is filled in a heat exchange tube of the heat exchanger (2), and the heat exchange tube of the heat exchanger (2) is communicated with the vacuum pump body to jointly form a cooling liquid loop; cooler casing (1) and outside cooling water source intercommunication, set up on cooler casing (1) and be used for the cooling water to get into and exhaust cooling inlet and cooling outlet, cooler casing (1) forms the cooling water return circuit jointly with outside cooling water source, the cooling liquid through the cooling water in the cooling water return circuit in to the cooling liquid return circuit cools down, be equipped with in the vacuum pump body and be used for detecting the cooling liquid temperature and feed back to the temperature sensor that cooling water source carries out the cooling water volume adjustment.
2. The intelligent external indirect cooler for the vacuum pump according to claim 1, wherein the cooler housing (1) comprises a housing main body (3) in the shape of a circular cylinder, cover plates (4) are arranged at the upper end and the lower end of the housing main body (3), the cover plates (4) and the housing main body (3) are sealed through O-rings (5), the cover plates (4) are respectively screwed with a connecting joint, and the housing main body (3) forms a cooling water loop with a cooling water source through the two connecting joints.
3. The intelligent external indirect cooler for the vacuum pump according to claim 2, wherein the connection joint on the cover plate below the housing main body (3) is a cooling water inlet joint (6), the connection joint on the cover plate above the housing main body (3) is a cooling water outlet joint (7), the cooling water flows from bottom to top, a flow ratio adjusting valve (8) for controlling the flow rate of the cooling water is arranged on a pipeline before the cooling water enters the cooling water inlet joint (6), the temperature sensor is electrically connected with the flow ratio adjusting valve (8), and the flow ratio adjusting valve (8) controls the flow rate of the cooling water according to temperature data fed back by the temperature sensor.
4. The intelligent external indirect cooler for the vacuum pump according to claim 1, wherein the heat exchange tubes of the heat exchanger (2) are made of bronze, each heat exchange tube is of a two-section structure, and the two heat exchange tubes are connected through an elastic expansion joint.
5. The intelligent external indirect cooler for the vacuum pump according to claim 4, wherein the heat exchange tube is connected with the cooler shell (1) through threads, the threads at two ends of the same heat exchange tube are opposite in rotation direction, and when the heat exchange tube is rotated for assembly, the two ends of the heat exchange tube are synchronously locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222717743.3U CN218760447U (en) | 2022-10-17 | 2022-10-17 | Intelligent external indirect cooler for vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222717743.3U CN218760447U (en) | 2022-10-17 | 2022-10-17 | Intelligent external indirect cooler for vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760447U true CN218760447U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222717743.3U Active CN218760447U (en) | 2022-10-17 | 2022-10-17 | Intelligent external indirect cooler for vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760447U (en) |
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2022
- 2022-10-17 CN CN202222717743.3U patent/CN218760447U/en active Active
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