CN214131558U - Negative pressure control system - Google Patents
Negative pressure control system Download PDFInfo
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- CN214131558U CN214131558U CN202022343809.8U CN202022343809U CN214131558U CN 214131558 U CN214131558 U CN 214131558U CN 202022343809 U CN202022343809 U CN 202022343809U CN 214131558 U CN214131558 U CN 214131558U
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- buffer tank
- vacuum pump
- negative pressure
- pressure
- pipeline
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Abstract
The utility model discloses a negative pressure control system, which comprises a buffer tank and a vacuum pump, wherein the buffer tank is connected with the vacuum pump through a pipeline, the vacuum pump is provided with two, three pipelines are provided, namely a main pipeline and two branch pipelines, the main pipeline and the branch pipelines are respectively provided with an electromagnetic regulating valve, the main pipeline and the branch pipelines are connected through a tee joint, the branch pipelines are respectively connected with the vacuum pump, the main pipeline is connected with the buffer tank, the bottom of the buffer tank is provided with a pressure relief valve, the interior of the buffer tank is provided with a pressure sensor, the pressure relief valve, the pressure sensor, the vacuum pump and the electromagnetic regulating valve are respectively connected with a core controller through signal lines, the system has simple structure, the pressure value of the negative pressure reaction device connected into the system can be set automatically according to the process requirement, and the pressure is stabilized near a set value through a feedback system, the stability of product performance is improved, the production energy consumption is reduced, and the equipment loss is reduced.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to negative pressure control system.
Background
In the modern chemical production and processing processes, in some reactions requiring negative pressure, the negative pressure is mostly directly provided by a vacuum pump, in some reactions requiring specific pressure values, the pressure value cannot be accurately controlled by the direct negative pressure providing mode, and the pressure value fluctuation of the whole reaction system is large due to the extensive negative pressure system, so that on one hand, the reaction process is uncontrollable, and a large amount of light components in the system can be pumped out along with the vacuum pump due to too low pressure; on the other hand does not control pressure, also can lead to the increase of equipment energy consumption, and the wearing and tearing aggravation of equipment reduces the life of equipment, consequently, for the demand that satisfies market modern production and processing, the utility model provides a negative pressure control system.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses a main aim at designs a negative pressure control system, and system simple structure makes the pressure value that inserts the negative pressure reaction unit of this system can set for along with the technological requirement by oneself to through feedback system with near pressure stabilization at the setting value, improve the stability of producing the performance, reduce the production energy consumption, reduce the equipment loss.
In order to realize the purpose, the utility model adopts the following technical scheme:
a negative pressure control system comprises a buffer tank and a vacuum pump, wherein the buffer tank and the vacuum pump are connected through a pipeline.
The vacuum pump set up two, the pipeline is established to three, is a main line and two spinal branch pipelines respectively, all is equipped with electromagnetic control valve on main line and the branch pipeline, main line and branch pipeline pass through the tee bend and link to each other, the branch pipeline is connected to the vacuum pump respectively, and the main line is connected to the buffer tank, buffer tank bottom be equipped with the relief valve, inside is equipped with pressure sensor, relief valve, pressure sensor, vacuum pump and electromagnetic control valve pass through signal chord connection core control ware respectively.
As a further description of the present invention, the buffer tank is provided with a negative pressure device interface.
As a further description of the present invention, the top of the buffer tank is connected with a vibration-proof hose, and the vibration-proof hose is connected with the main pipeline.
Compared with the prior art, the utility model discloses a technological effect does:
the utility model provides a negative pressure control system, receive buffer tank pressure sensor numerical value through the core control ware, to the relief valve after through the operation, electromagnetic control valve and vacuum pump motor on main line and the branch pipeline open the state and control, thereby make the entire system pressure value be in near the setting value, therefore it produces the property performance fluctuation that reduces to cause because of the pressure oscillation, the efficiency of having avoided the equipment excessive operation is extravagant, and through the connected mode who sets up the antivibration hose, reduce the loss of equipment operation in-process.
Drawings
Fig. 1 is a view of the overall structure of the present invention.
In the figure, 1, a buffer tank, 11, a pressure relief valve, 12, a pressure sensor, 13, a negative pressure equipment interface, 14, a vibration-proof hose, 2, a vacuum pump, 3, a main pipeline, 4, a branch pipeline, 5, an electromagnetic regulating valve, 6, a tee joint and 7, a core controller are arranged.
Detailed Description
The present invention is described in detail below with reference to the attached drawings:
a negative pressure control system is shown in figure 1, and comprises a buffer tank 1 and a vacuum pump 2, wherein the buffer tank 1 is connected with the vacuum pump 2 through a pipeline.
The pressure relief valve 11, the pressure sensor 12, the vacuum pump 2 and the electromagnetic regulating valve 5 are all controlled by the core controller 7.
The buffer tank 1 is provided with a negative pressure equipment interface 13, and reaction equipment needing to provide negative pressure is connected with the buffer tank 1 through the negative pressure equipment interface 13.
The top of the buffer tank 1 is connected with a vibration-proof hose 14, and the vibration-proof hose 14 is connected with the main pipeline 3.
The vibration-proof hose 14 is provided to prevent the front-end equipment from vibrating and damaging the pressure sensor 12 and the pressure release valve 11 in the surge tank 1.
The utility model provides a negative pressure control system, receive pressure sensor 12 numerical values on the buffer tank 1 through core controller 7, to relief valve 11 after through the operation, electromagnetic control valve 5 and vacuum pump 2 motor on main line and the branch pipeline are opened the state and are controlled, thereby make the entire system pressure value be in near the setting value, therefore it is undulant to reduce the product property ability that causes because of the pressure fluctuation, the efficiency of having avoided the equipment excessive operation is extravagant, and through the connected mode who sets up antivibration hose 14, reduce the loss of equipment operation in-process.
The utility model discloses a theory of operation: in the operation process of the negative pressure control system, the system is firstly connected into reaction equipment needing to provide negative pressure through a negative pressure equipment interface 13 of the buffer tank 1, then required pressure parameters are input into the core controller 7, the system starts the vacuum pump 2, and the pressure in the equipment is monitored through the pressure sensor 12 and is transmitted into the core controller 7;
when the pressure is reduced to be close to a set value, the electromagnetic regulating valve 5 on the main pipeline 3 connected with the core controller 7 can regulate the opening of the valve, the air suction quantity of the vacuum pump 2 is reduced, and the openings of the electromagnetic regulating valves 5 on the two branch pipelines 4 and the opening state of the vacuum pump 2 are regulated;
when the pressure value drops below the set value, the system opens the pressure relief valve 11, raises the pressure value, and controls the pressure value in the negative pressure equipment to be close to the set value.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. The utility model provides a negative pressure control system, it includes buffer tank and vacuum pump, links to each other its characterized in that through the pipeline between buffer tank and the vacuum pump: the vacuum pump set up two, the pipeline is established to three, is a main line and two spinal branch pipelines respectively, all is equipped with electromagnetic control valve on main line and the branch pipeline, main line and branch pipeline pass through the tee bend and link to each other, the branch pipeline is connected to the vacuum pump respectively, and the main line is connected to the buffer tank, buffer tank bottom be equipped with the relief valve, inside is equipped with pressure sensor, relief valve, pressure sensor, vacuum pump and electromagnetic control valve pass through signal line connection core control ware respectively.
2. The negative pressure control system according to claim 1, wherein: and a negative pressure equipment interface is arranged on the buffer tank.
3. The negative pressure control system according to claim 1, wherein: the top of the buffer tank is connected with a vibration-proof hose, and the vibration-proof hose is connected with a main pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343809.8U CN214131558U (en) | 2020-10-20 | 2020-10-20 | Negative pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343809.8U CN214131558U (en) | 2020-10-20 | 2020-10-20 | Negative pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214131558U true CN214131558U (en) | 2021-09-07 |
Family
ID=77560837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022343809.8U Active CN214131558U (en) | 2020-10-20 | 2020-10-20 | Negative pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214131558U (en) |
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2020
- 2020-10-20 CN CN202022343809.8U patent/CN214131558U/en active Active
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