CN213394638U - Liquid stepless speed regulating device - Google Patents
Liquid stepless speed regulating device Download PDFInfo
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- CN213394638U CN213394638U CN202022432860.6U CN202022432860U CN213394638U CN 213394638 U CN213394638 U CN 213394638U CN 202022432860 U CN202022432860 U CN 202022432860U CN 213394638 U CN213394638 U CN 213394638U
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- limit sensor
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Abstract
The utility model discloses a stepless speed regulation device of liquid, be equipped with the exhaust pressure release pipeline on the pressurization container, the gas pipeline, liquid feeding pipeline and fluid-discharge tube way, three check valves and solenoid valve are established ties in order along the exhaust direction of exhaust pressure release pipeline on the exhaust pressure release pipeline, the proportional valve is connected on the gas pipeline, pneumatic valve one and check valve one are established ties in order on the liquid feeding pipeline along the feed liquor direction of liquid feeding pipeline, check valve two and pneumatic valve two are established ties in order on the liquid feeding pipeline along the fluid-discharge direction of fluid-discharge tube way, upper limit sensor of liquid level and lower limit sensor of liquid level all peg graft in the pressurization container. The utility model discloses control proportional valve is to pressure boost in the pressurization container to this flow velocity of controlling liquid in the drain pipe reaches velocity of flow infinitely variable control's effect, simple structure, the manufacturing of being convenient for, the cost is with low costs, the maintenance of being convenient for, excellent in use effect.
Description
The technical field is as follows:
the utility model relates to a liquid stepless speed regulating device.
Background art:
the liquid speed regulation is applied to automatic monitoring equipment, so that the mixing reaction of chemical solutions is accelerated, the time of the whole process of equipment measurement is shortened, and the high efficiency of the equipment is achieved. The solution of the customer can be changed according to the requirement of the product to be produced, the corresponding precision measuring instrument (such as a PH meter) can be correspondingly replaced, but the pressure resistance value of each precision measuring instrument is different, and the flow rate of the injected reaction solution needs to be correspondingly controlled. The existing stepless regulating device on the market is high in cost, is generally realized by a water pump motor and a frequency converter, is high in manufacturing cost, low in later maintenance cost and troublesome, and therefore a liquid stepless speed regulating device which is low in cost and convenient to manufacture and maintain is needed.
The invention content is as follows:
the utility model provides a stepless speed regulation device for liquid, which solves the problems existing in the prior art.
The utility model discloses the technical scheme who adopts has: the utility model provides a stepless speed regulation device of liquid, includes pressurization container, pneumatic valve one, pneumatic valve two, proportional valve, solenoid valve, check valve one, check valve two, check valve three, liquid level upper limit sensor and liquid level lower limit sensor, be equipped with exhaust pressure release pipeline on the pressurization container, gas pipeline, liquid feeding pipeline and fluid-discharge tube way, check valve three and solenoid valve establish ties on exhaust pressure release pipeline along the exhaust direction of exhaust pressure release pipeline in order, proportional valve connects on gas pipeline, pneumatic valve one and check valve one establish ties on liquid feeding pipeline along the feed liquor direction of liquid feeding pipeline in order, check valve two and pneumatic valve two establish ties on liquid feeding pipeline along the flowing back direction of liquid feeding pipeline in order, liquid level upper limit sensor and liquid level lower limit sensor all peg graft in the pressurization container.
Furthermore, a liquid outlet is arranged on the pressurizing container, the liquid discharge pipeline is connected with the liquid outlet, and the bottommost end of the liquid level lower limit sensor is arranged above the liquid outlet.
Furthermore, the gas pipeline and the liquid charging pipeline are connected to the pressurized container in a vertically layered mode, and the bottommost end of the liquid level upper limit sensor is located between the gas pipeline and the liquid charging pipeline.
Furthermore, a safety valve is connected to the pressurized container and connected to the electromagnetic valve.
The utility model discloses following beneficial effect has:
the utility model discloses control proportional valve is to pressure boost in the pressurization container to this flow velocity of controlling liquid in the drain pipe reaches velocity of flow infinitely variable control's effect, simple structure, the manufacturing of being convenient for, the cost is with low costs, the maintenance of being convenient for, excellent in use effect.
Description of the drawings:
fig. 1 is a structural diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a stepless speed regulation device for liquid, including pressurization container 1, pneumatic valve 2, pneumatic valve two 3, proportional valve 4, solenoid valve 6, check valve 7, check valve two 8, check valve three 9, liquid level upper limit sensor 10 and liquid level lower limit sensor 11.
Be equipped with exhaust pressure release pipeline 100 on the pressurization container 1, gas pipeline 101, liquid feeding pipeline 102 and flowing back pipeline 103, check valve three 9 and solenoid valve 6 establish ties on exhaust pressure release pipeline 100 in order along the exhaust direction of exhaust pressure release pipeline 100, proportional valve 4 is connected on gas pipeline 101, pneumatic valve one 2 and check valve one 7 establish ties on liquid feeding pipeline 102 in order along the inlet liquid direction of liquid feeding pipeline 102, check valve two 8 and pneumatic valve two 3 establish ties on liquid feeding pipeline 102 in order along the flowing back direction of flowing back pipeline 103, liquid level upper limit sensor 10 and liquid level lower limit sensor 11 are all pegged graft in pressurization container 1. A safety valve 5 is connected to the pressurized container 1, and the safety valve 5 is connected to a solenoid valve 6.
The pressurized container 1 is provided with a liquid discharge port, a liquid discharge line 103 is connected to the liquid discharge port, and the lowermost end of the liquid level lower limit sensor 11 is disposed above the liquid discharge port.
The gas line 101 and the charging line 102 are connected to the pressurized container 1 in layers up and down, and the lowermost end of the upper liquid level sensor 10 is located between the gas line 101 and the charging line 102.
The utility model discloses a liquid level upper limit sensor 10 and liquid level sensor 11 monitoring pressurization container 1 inside liquid capacity down.
When the liquid filling device is used, the pneumatic valve I2 and the electromagnetic valve 6 are controlled to be opened, solution is added into the pressurizing container 1 until the liquid level on-line sensor is sensed, the pneumatic valve I2 and the electromagnetic valve 6 are closed, and liquid filling is stopped.
And opening the second pneumatic valve 3, and controlling the proportional valve 4 to pressurize the pressurized container 1 so as to control the flow rate of the liquid in the liquid outlet pipeline and achieve the effect of stepless regulation of the flow rate.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (4)
1. A liquid stepless speed regulation device is characterized in that: comprises a pressurizing container (1), a first pneumatic valve (2), a second pneumatic valve (3), a proportional valve (4), an electromagnetic valve (6), a first one-way valve (7), a second one-way valve (8), a third one-way valve (9), an upper liquid level limit sensor (10) and a lower liquid level limit sensor (11), wherein the pressurizing container (1) is provided with an exhaust pressure relief pipeline (100), a gas pipeline (101), a liquid adding pipeline (102) and a liquid discharging pipeline (103), the third one-way valve (9) and the electromagnetic valve (6) are sequentially connected in series on the exhaust pressure relief pipeline (100) along the exhaust direction of the exhaust pressure relief pipeline (100), the proportional valve (4) is connected on the gas pipeline (101), the first pneumatic valve (2) and the first one-way valve (7) are sequentially connected in series on the liquid adding pipeline (102) along the liquid inlet direction of the liquid adding pipeline (102), the second one-way valve (8) and the second pneumatic valve (3) are sequentially connected in series on the liquid adding pipeline (102) along the liquid, the upper liquid level sensor (10) and the lower liquid level sensor (11) are inserted in the pressurized container (1).
2. The liquid stepless speed regulation device of claim 1, characterized in that: the pressurizing container (1) is provided with a liquid outlet, the liquid discharge pipeline (103) is connected with the liquid outlet, and the bottommost end of the liquid level lower limit sensor (11) is arranged above the liquid outlet.
3. The liquid stepless speed regulation device of claim 1, characterized in that: the gas pipeline (101) and the liquid adding pipeline (102) are connected to the pressurized container (1) in an up-down layered mode, and the bottommost end of the liquid level upper limit sensor (10) is located between the gas pipeline (101) and the liquid adding pipeline (102).
4. The liquid stepless speed regulation device of claim 1, characterized in that: the pressure container (1) is connected with a safety valve (5), and the safety valve (5) is connected with an electromagnetic valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432860.6U CN213394638U (en) | 2020-10-28 | 2020-10-28 | Liquid stepless speed regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432860.6U CN213394638U (en) | 2020-10-28 | 2020-10-28 | Liquid stepless speed regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213394638U true CN213394638U (en) | 2021-06-08 |
Family
ID=76191471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432860.6U Active CN213394638U (en) | 2020-10-28 | 2020-10-28 | Liquid stepless speed regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213394638U (en) |
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2020
- 2020-10-28 CN CN202022432860.6U patent/CN213394638U/en active Active
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