CN110207008B - Air compressor gas holder drain valve - Google Patents
Air compressor gas holder drain valve Download PDFInfo
- Publication number
- CN110207008B CN110207008B CN201910470942.9A CN201910470942A CN110207008B CN 110207008 B CN110207008 B CN 110207008B CN 201910470942 A CN201910470942 A CN 201910470942A CN 110207008 B CN110207008 B CN 110207008B
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- CN
- China
- Prior art keywords
- drain valve
- liquid level
- storage tank
- drain
- preset value
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- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
Abstract
The invention discloses a drain valve of an air compressor air storage tank, which comprises an air storage tank, a drain pipe, a liquid level meter, a drain valve and a controller, wherein the drain pipe with a three-way structure is additionally arranged at the bottom of the air storage tank, the liquid level meter and the drain valve are respectively assembled on two pipelines of the three-way structure and communicated with the controller, so that the real-time detection of liquid in the air storage tank is realized, the automatic treatment of the control of the drain valve is realized through a detection method, the direct failure of the drain valve under the condition that the liquid level detection control of the liquid level meter fails is avoided, the continuous operation of drain equipment of the air storage tank is ensured, and the reliability of the operation of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of air compressor structures, in particular to a drain valve of an air storage tank of an air compressor.
Background
An air compressor is a device for compressing gas. The air compressor is similar to a water pump in structure and roughly comprises an oil, gas, a water path circulating system, a power distribution system, a control system and the like, wherein the water path circulating system comprises a gas storage tank for storing high-pressure gas, and in the using process, the gas storage tank is influenced by environment and equipment working conditions, accumulated water is inevitably accumulated in the gas storage tank, and if the accumulated water is excessively accumulated, the output of the high-pressure gas and the work of a subsequent gas path are greatly influenced.
In the existing equipment, the drain valve of the air storage tank at the outlet of the air compressor mostly adopts a floating ball type drain valve, however, the action condition of a floating ball cannot be monitored on line by the floating ball type drain valve, and the blocking of the floating ball needs to be observed on site. Whether the floater drainage is normal needs to check the ponding condition of gas holder through opening the bypass hand valve, judges the floater jam condition. The electronic automatic drain valve judges whether automatic drainage can be carried out or not, and the drainage condition also needs to be observed manually on site.
Disclosure of Invention
Therefore, the drain valve of the air compressor air storage tank needs to be provided to solve the problems that in the prior art, the action condition of the floating ball cannot be monitored on line by the floating ball type drain valve, and the floating ball is blocked and needs to be observed on site.
In order to achieve the aim, the inventor provides a drain valve of an air compressor air storage tank, which comprises an air storage tank, a drain pipe, a liquid level meter, a drain valve and a controller;
the bottom of the air storage tank is communicated with a drain pipe, and liquid in the air storage tank is discharged through the drain pipe;
the water drainage pipe is a three-way pipe, and one upward end of the three-way pipe is communicated with the gas storage tank;
the liquid level meter is arranged in a third pipeline of the three-way pipe, and the detection end of the liquid level meter extends into the gas storage tank;
the drain valve is assembled on a second pipeline of the three-way pipe;
the controller is in communication connection with the liquid level meter and the drain valve and is used for receiving data transmitted by the liquid level meter and controlling the on-off of the drain valve according to a control method of the controller;
the data selection controls the on-off of the drain valve or controls the timing on-off of the drain valve according to the data numerical value;
the controller control method comprises the following steps:
the controller reads a switching preset value, a timing preset value, a starting preset value and a closing preset value;
receiving values of a plurality of liquid level meters;
and judging a difference value between the plurality of liquid level meters, when the difference value is greater than a switching preset value, opening and closing the drain valve according to a timing preset value, when the difference value is less than the switching preset value, comparing the liquid level count value with the opening preset value and the closing preset value, when the liquid level count value reaches the opening preset value, controlling the drain valve to be opened by the controller, and when the liquid level count value reaches the closing preset value, controlling the drain valve to be closed by the controller.
Further, the second pipeline of the three-way pipe faces the horizontal direction, and the third pipeline of the three-way pipe faces the ground direction.
Furthermore, the liquid level meter adopts a rod-type liquid level transmitter, and the detection end of the rod-type liquid level transmitter extends into the gas storage tank through a drain pipe.
Further, the controller adopts a distributed control system.
Further, the drain valve selects a pneumatic O-shaped switch cut-off ball valve.
Furthermore, a filter screen is arranged on the drain pipe, and the filter screen is arranged on a second pipeline of the drain pipe.
Further, the gas holder still includes the pressure gauge, the pressure gauge is assembled on the gas holder.
Different from the prior art, the technical scheme has the following advantages: the drain pipe with the three-way structure is additionally arranged at the bottom of the gas storage tank, the liquid level meter and the drain valve are respectively assembled on two pipelines of the three-way structure and communicated with the controller, so that the real-time detection of liquid in the gas storage tank is realized, the automatic treatment of the control of the drain valve is realized through a detection method, the direct failure of the drain valve under the condition that the liquid level detection control of the liquid level meter fails is avoided, the continuous operation of the drain equipment of the gas storage tank is ensured, and the reliability of the operation of the equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a drain valve of an air storage tank of an air compressor in the embodiment of the invention;
fig. 2 is a flowchart illustrating a control method of a controller according to an embodiment of the present invention.
Description of reference numerals:
101. a gas storage tank; 102. a drain pipe; 103. a liquid level meter; 104. a drain valve;
105. a controller; 106. and (5) filtering by using a filter screen.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present embodiment discloses a drain valve for an air storage tank of an air compressor, which includes an air storage tank 101, a drain pipe 102, a liquid level meter 103, a drain valve 104, and a controller 105. The bottom of the gas storage tank 101 is provided with a drain hole, and the drain hole is connected with a drain pipe 102. The drain pipe 102 is of a three-way pipe structure and comprises three pipelines, a first pipeline faces upward along the height direction and is connected with a drain hole of the gas storage tank 101, a second pipeline of the drain pipe 102 is arranged in the horizontal direction, the drain valve 104 is assembled on the second pipeline of the drain pipe 102, a third pipeline of the drain pipe 102 faces the ground direction, the liquid level meter 103 is assembled in the third pipeline of the drain pipe 102, and the detection end of the liquid level meter 103 extends into the gas storage tank 101. The controller 105 is connected to the liquid level meter 103 and the drain valve 104 by wires.
According to the structure, in the using process of the drain valve of the air compressor air storage tank, liquid is accumulated in the tank body when the air storage tank is used, and the liquid is accumulated in the drain hole area of the tank body air storage tank. The level gauge passes through the water level of the liquid level in the detection end detection gas holder to continuously convey the water level detection data to the controller through the wire, the controller carries out the difference to the water level data received earlier and compares, is in inefficacy or damaged condition when the level gauge, and the water level detection data difference that continuously conveys is too big, then sends the control signal of regularly opening and close to the solenoid valve, and the solenoid valve is opened and is closed according to regularly received start-stop signal. When the water level detection data difference value which is continuously transmitted does not reach the switching standard value preset by the controller, the controller compares the water level signal which is continuously transmitted by the liquid level meter with the opening preset value and the closing preset value, when the water level signal reaches the opening preset value, the opening signal is sent out to control the drainage valve to open, the liquid in the gas storage tank is discharged through the drainage valve through the drainage pipe, the liquid level in the discharging process is reduced, the water surface data detected by the liquid level meter is changed, the water level is close to the closing preset value preset by the controller until the water level data reaches the closing preset value, the controller sends out the closing signal when the closing preset value is reached to enable the drainage valve to be closed, and the drainage process of the primary gas storage tank is completed. The drain pipe with the three-way structure is additionally arranged at the bottom of the gas storage tank, the liquid level meter and the drain valve are respectively assembled on two pipelines of the three-way structure and communicated with the controller, so that the real-time detection of liquid in the gas storage tank is realized, the automatic treatment of the control of the drain valve is realized through a detection method, the direct failure of the drain valve under the condition that the liquid level detection control of the liquid level meter fails is avoided, the continuous operation of the drain equipment of the gas storage tank is ensured, and the reliability of the operation of the equipment is improved.
Referring to fig. 1, in some preferred embodiments, a filter screen is disposed on the second pipeline of the drain pipe, and the filter screen can filter the drained water, so as to determine the environmental conditions inside the air storage tank and the air supply device according to the water quality and the filtering condition, and to reuse the water.
In the above embodiment, the liquid level meter is a rod type liquid level transmitter.
In the above embodiment, the controller is a DCS system, i.e., a distributed control system.
In the above embodiment, the drain valve uses the pneumatic O-type switch cut-off ball valve, which is not easy to block and damage, and reduces the frequency of replacing spare parts, thereby reducing the cost.
In the above embodiment, the gauge allows the accumulated water to drain from the second pipe in a lateral direction by blocking the third pipe of the drain pipe.
In the above embodiment, the detection method of the liquid level meter may be implemented by detecting a stroke value of the liquid level meter, or by using a capacitance value of the capacitance type liquid level meter as a reference value for switching the preset value, the on preset value and the off preset value, for example, the switching preset value may be a difference value between two adjacent detections of the liquid level meter, and when the difference value is abnormal, for example, the difference value between two or more detections before and after is large and the difference values are opposite, it is determined that the liquid level meter is out of service.
In the above embodiment, the controller may amplify the control signal through an amplifier or the like, so as to control the opening and closing of the drain valve.
In some preferred embodiments, the air outlet of the air storage tank can be arranged at a height higher than that of the drain hole of the air storage tank, and an inclined structure facing the drain hole is arranged at the bottom of the tank body, so that the liquid in the air storage tank is guided to accumulate on the drain hole.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (7)
1. A drain valve of an air compressor air storage tank is characterized by comprising an air storage tank, a drain pipe, a liquid level meter, a drain valve and a controller;
the bottom of the air storage tank is communicated with a drain pipe, and liquid in the air storage tank is discharged through the drain pipe;
the water drainage pipe is a three-way pipe, and one upward end of the three-way pipe is communicated with the gas storage tank;
the liquid level meter is arranged in a third pipeline of the three-way pipe, and the detection end of the liquid level meter extends into the gas storage tank;
the drain valve is assembled on a second pipeline of the three-way pipe;
the controller is in communication connection with the liquid level meter and the drain valve and is used for receiving data transmitted by the liquid level meter and controlling the on-off of the drain valve according to a control method of the controller;
the data selection controls the on-off of the drain valve or controls the timing on-off of the drain valve according to the data numerical value;
the controller control method comprises the following steps:
the controller reads a switching preset value, a timing preset value, a starting preset value and a closing preset value;
receiving values of a plurality of liquid level meters;
and judging a difference value between the plurality of liquid level meters, when the difference value is greater than a switching preset value, opening and closing the drain valve according to a timing preset value, when the difference value is less than the switching preset value, comparing the liquid level count value with the opening preset value and the closing preset value, when the liquid level count value reaches the opening preset value, controlling the drain valve to be opened by the controller, and when the liquid level count value reaches the closing preset value, controlling the drain valve to be closed by the controller.
2. The air compressor air storage tank drain valve of claim 1, wherein the second line of the three-way pipe faces horizontally and the third line of the three-way pipe faces towards the ground.
3. The drain valve of the air compressor air storage tank according to claim 1, wherein the liquid level gauge is a rod-type liquid level transmitter, and a detection end of the rod-type liquid level transmitter extends into the air storage tank through a drain pipe.
4. The drain valve of the air compressor air storage tank of claim 1, wherein the controller is a distributed control system.
5. The drain valve of air compressor air storage tank of claim 1, wherein said drain valve is a pneumatic O-switch cut-off ball valve.
6. The drain valve of claim 1, wherein said drain pipe is provided with a strainer, said strainer being disposed on a second line of said drain pipe.
7. The air compressor air tank drain valve of claim 1 wherein said air tank further comprises a pressure gauge mounted on said air tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470942.9A CN110207008B (en) | 2019-05-31 | 2019-05-31 | Air compressor gas holder drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470942.9A CN110207008B (en) | 2019-05-31 | 2019-05-31 | Air compressor gas holder drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110207008A CN110207008A (en) | 2019-09-06 |
| CN110207008B true CN110207008B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470942.9A Active CN110207008B (en) | 2019-05-31 | 2019-05-31 | Air compressor gas holder drain valve |
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| Country | Link |
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| CN (1) | CN110207008B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022908B (en) * | 2019-12-24 | 2021-10-19 | 安徽安凯汽车股份有限公司 | Drain valve for automobile gas storage tank |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010073604A (en) * | 2000-01-19 | 2001-08-01 | 강석영 | water hamer protecter |
| CN101776916A (en) * | 2010-02-09 | 2010-07-14 | 浙江大学 | Sewage level sensor fault instant diagnosing, alarming and switching device |
| CN102297115A (en) * | 2011-07-08 | 2011-12-28 | 青岛地恩地机电科技股份有限公司 | Automatic blowdown device for air compressor |
| CN203816251U (en) * | 2014-05-11 | 2014-09-10 | 王剑武 | Automatic drainage mechanism for vacuum negative-pressure evaporator |
| CN104533761A (en) * | 2014-12-25 | 2015-04-22 | 无锡智数商务信息咨询有限公司 | Air storage tank for air compressor and having automatic draining function |
| CN204299818U (en) * | 2014-10-29 | 2015-04-29 | 广东亿捷科技发展有限公司 | A kind of automatic drainage device of gas storage tank |
| CN104565816A (en) * | 2014-07-17 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Air compressor air storage tank capable of discharging water automatically |
| CN105020125A (en) * | 2015-06-26 | 2015-11-04 | 南京格瑞森节能设备有限公司 | Automatic drainage control system of air compressor |
| CN208431137U (en) * | 2018-07-06 | 2019-01-25 | 台州钱江新能源研究院有限公司 | A kind of self-draining arrangement of air compressor machine storage tank |
-
2019
- 2019-05-31 CN CN201910470942.9A patent/CN110207008B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010073604A (en) * | 2000-01-19 | 2001-08-01 | 강석영 | water hamer protecter |
| CN101776916A (en) * | 2010-02-09 | 2010-07-14 | 浙江大学 | Sewage level sensor fault instant diagnosing, alarming and switching device |
| CN102297115A (en) * | 2011-07-08 | 2011-12-28 | 青岛地恩地机电科技股份有限公司 | Automatic blowdown device for air compressor |
| CN203816251U (en) * | 2014-05-11 | 2014-09-10 | 王剑武 | Automatic drainage mechanism for vacuum negative-pressure evaporator |
| CN104565816A (en) * | 2014-07-17 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Air compressor air storage tank capable of discharging water automatically |
| CN204299818U (en) * | 2014-10-29 | 2015-04-29 | 广东亿捷科技发展有限公司 | A kind of automatic drainage device of gas storage tank |
| CN104533761A (en) * | 2014-12-25 | 2015-04-22 | 无锡智数商务信息咨询有限公司 | Air storage tank for air compressor and having automatic draining function |
| CN105020125A (en) * | 2015-06-26 | 2015-11-04 | 南京格瑞森节能设备有限公司 | Automatic drainage control system of air compressor |
| CN208431137U (en) * | 2018-07-06 | 2019-01-25 | 台州钱江新能源研究院有限公司 | A kind of self-draining arrangement of air compressor machine storage tank |
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| Publication number | Publication date |
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| CN110207008A (en) | 2019-09-06 |
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