CN213272036U - Automatic regulating and compensating system for air supply flow of special gas cabinet pipeline - Google Patents
Automatic regulating and compensating system for air supply flow of special gas cabinet pipeline Download PDFInfo
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- CN213272036U CN213272036U CN202021514616.8U CN202021514616U CN213272036U CN 213272036 U CN213272036 U CN 213272036U CN 202021514616 U CN202021514616 U CN 202021514616U CN 213272036 U CN213272036 U CN 213272036U
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Abstract
The utility model relates to a special gas holder pipeline air feed flow automatically regulated compensating system, it includes the gas pitcher, the gas pitcher is given vent to anger and is held the intercommunication and have first admission line, be provided with the preset valve on the first admission line, still be provided with the electronic gas flowmeter on the first admission line, electronic gas flowmeter signal connection has the controller, the controller control the volume of opening and shutting of preset valve, first admission line is located the governing valve with intercommunication has the second admission line on the pipe shaft between the electronic gas flowmeter, second admission line intercommunication has the compensating tank, first admission line is located the governing valve with it has the pipeline of losing heart to go back the intercommunication on the pipe shaft between the electronic gas flowmeter, be provided with the control valve on the pipeline of losing heart, the compensating tank with be provided with the fine setting valve between the second admission line. The gas flow regulating device has the effects of being accurate in gas flow regulation and rapid in regulation.
Description
Technical Field
The application relates to the technical field of gas flow regulation, in particular to an automatic regulation and compensation system for gas supply flow of a pipeline of a special gas cabinet.
Background
It is known that in modern automation and intelligent plants, especially in the field of gas transmission technology, the regulation of gas flow is widely used and plays an extremely important role in practical production.
In the prior art, when a gas tank is used for conveying gas, a control valve needs to be manually opened for carrying out gas conveying operation. In the gas transmission process, the gas flow is detected through the electronic flowmeter, a signal is sent to the controller, and the controller controls the control valve to adjust the gas flow. When the electronic flowmeter detects that the gas flow is too large, the controller needs to adjust the opening and closing amount of the control valve to regulate the gas flow.
However, when the control valve is manually opened to perform gas transmission operation, the difference between the gas flow and the preset value is large, so that the gas flow cannot be accurately adjusted, and improvement exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the defect that can't accurate regulation gas flow, this application provides a special gas holder pipeline gas supply flow automatically regulated compensating system.
The application provides a special gas holder pipeline air feed flow automatically regulated compensating system adopts following technical scheme:
an automatic regulation and compensation system for the air supply flow of a special gas cabinet pipeline comprises an air tank, wherein an air outlet end of the air tank is communicated with a first air inlet pipeline, the first air inlet pipeline is communicated with a preset valve and is also provided with an electronic gas flowmeter, the electronic gas flowmeter is in signal connection with a controller, the controller is in signal connection with the electronic flowmeter and controls the opening and closing amount of the pre-adjusting valve, it is characterized in that a second air inlet pipeline is communicated with the pipe body of the first air inlet pipeline between the regulating valve and the electronic gas flowmeter, the second air inlet pipeline is communicated with a compensation tank, the first air inlet pipeline is positioned on the pipe body between the pre-adjusting valve and the electronic gas flowmeter and is also communicated with an air leakage pipeline, the air leakage pipeline is provided with a control valve, and a fine adjustment valve is arranged between the compensation tank and the second air inlet pipeline.
By adopting the technical scheme, the gas flow is pre-adjusted by the pre-adjusting valve, the accuracy of the pre-adjusting valve is measured by the electronic gas flowmeter, and when the gas flow has an error with a preset value, the gas flow is adjusted by the fine adjusting valve and the control valve, so that the accuracy of gas flow adjustment is improved.
Preferably, the preset valve is a gear regulating valve, the gear regulating valve comprises a driver and a gear valve, the driver receives and responds to the signal of the controller, the driver controls the gear valve to regulate the gas flow, and the fine adjustment valve is a manual scale type fine adjustment valve.
By adopting the technical scheme, the controller is adopted to control the driver of the gear regulating valve to regulate the gears of the gear regulating valve, so that convenience is brought to a worker to select proper gears for pre-regulation according to a preset value; and the manual scale type fine adjustment valve is used for fine adjustment of the gas flow, so that the adjustment of the gas flow can be conveniently and rapidly and accurately carried out by a worker.
Preferably, one end of the air leakage pipeline, which is deviated from the first air inlet pipeline, is communicated with a gas temporary storage device.
By adopting the technical scheme, as the special gas cabinet is mainly used and supplies special gas, such as inflammable, explosive and extremely toxic, when the gas flow is adjusted through air leakage, the gas temporary storage device is used for temporarily storing the special gas, and the condition that the special gas is dispersed into the air to pollute the environment is favorably reduced.
Preferably, a pressure sensor is arranged on the pipe body of the first air inlet pipeline, the pressure sensor is in signal connection with the controller, and an output end of the controller is in signal connection with an audible and visual alarm.
Through adopting above-mentioned technical scheme, detect the atmospheric pressure in the first inlet channel with the help of pressure sensor to by audible-visual annunciator suggestion staff, help making things convenient for the staff in time to survey the interior gas surplus of gas pitcher.
Preferably, the controller is a PLC, a single chip microcomputer or a microprocessor.
By adopting the technical scheme, the automation degree of the special gas cabinet is improved by adopting the PLC, the single chip microcomputer or the microprocessor.
Preferably, the control valve is a one-way manual control valve.
By adopting the technical scheme, the flow of the gas leaked by the one-way manual control valve is adjusted, so that the situations of flammability, explosiveness and extremely toxic gas backflow are reduced, and the safety of the special gas cabinet is improved.
Preferably, an air supplementing pipeline is communicated with a pipeline body between the air tank and the preset valve, and one end, deviating from the first air inlet pipeline, of the air supplementing pipeline is communicated with a storage tank.
Through adopting above-mentioned technical scheme, carry out the supplementary operation to gas by reserve tank and tonifying qi pipeline, help reducing the condition that gas is not enough to cause the influence to gas transportation and take place.
Preferably, an air supplementing valve is arranged on the air supplementing pipeline, the air supplementing valve is an automatic control valve, and the controller is in control connection with the automatic control valve.
Through adopting above-mentioned technical scheme, when the gas is insufficient in the gas pitcher, gas pressure changes in the first admission line, and the controller control automatic control valve is opened, carries out gaseous supplementary operation, helps in time to gaseous supplementary operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the gas flow is adjusted in advance through the preset valve, the accuracy of the preset valve is measured through the electronic gas flowmeter, and when the gas flow has an error with a preset value, the gas flow is adjusted through the fine adjustment valve and the control valve, so that the accuracy of gas flow adjustment is improved;
2. the pressure sensor is used for detecting the air pressure in the first air inlet pipeline, and the audible and visual alarm prompts workers, so that the workers can conveniently observe the gas allowance in the air tank in time;
3. the safety performance of the special gas cabinet is greatly improved by means of the one-way manual control valve and the gas temporary storage device for conveying and storing flammable, explosive and extremely toxic special gas.
Drawings
Fig. 1 is a schematic diagram mainly showing an automatic adjustment and compensation system for air supply flow of a special gas cabinet pipeline according to an embodiment of the present application.
Fig. 2 is a block diagram mainly embodying a controller to control a gear shift regulating valve according to an embodiment of the present application.
Fig. 3 is a block diagram mainly embodying the signal received by the audible and visual alarm in the embodiment of the present application.
Description of reference numerals: 1. a gas tank; 2. a first air intake duct; 21. a gear adjusting valve; 211. a driver; 212. a gear valve; 22. an electronic gas flow meter; 23. a pressure sensor; 24. an audible and visual alarm; 3. a controller; 4. a second air intake duct; 41. a compensation tank; 5. an air escape duct; 51. a one-way manual control valve; 52. a gas temporary storage device; 6. a manual scale type fine adjustment valve; 7. a gas supply pipeline; 71. a storage tank; 72. the valve is automatically controlled.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses special gas holder pipeline air feed flow automatically regulated compensating system. Referring to fig. 1 and 2, the automatic adjustment and compensation system for the air supply flow of the cabinet pipeline comprises an air tank 1. The air outlet end of the air tank 1 is communicated with a first air inlet pipeline 2, and a preset valve is arranged on the first air inlet pipeline 2. An electronic gas flowmeter 22 is further arranged on the first gas inlet pipeline 2, the output end of the electronic gas flowmeter 22 is connected with a controller 3 in a signal mode, and the controller 3 controls the opening and closing amount of the preset valve.
In this embodiment, the pre-adjustment valve is a gear adjustment valve 21. The controller 3 may be any one of a PLC, a single chip microcomputer, or a microprocessor, and the worker writes the gear program into the controller 3 in advance. The position regulating valve 21 includes an actuator 211 and a range valve 212, the actuator 211 receives and responds to the signal from the controller 3, and the actuator 211 controls the range valve 212 to select a proper range for regulating the gas flow.
Referring to fig. 3, a pressure sensor 23 is disposed on the pipe body of the first air inlet pipe 2, an output end of the pressure sensor 23 is in signal connection with an input end of the controller 3, and an output end of the controller 3 is in signal connection with an audible and visual alarm 24.
In the operation, the pressure sensor 23 is used for detecting the air pressure in the first air inlet pipeline 2, when the pressure is too small, the output end of the pressure sensor 23 transmits a signal to the input end of the controller 3, and the controller 3 controls the audible and visual alarm 24 to perform warning operation through the signal.
Referring to fig. 1, a second air inlet pipeline 4 is communicated with the first air inlet pipeline 2 on the pipe body between the regulating valve and the electronic gas flowmeter 22. The second air inlet pipe 4 is communicated with a compensation tank 41, and the first air inlet pipe 2 is positioned on the pipe body between the pre-adjusting valve and the electronic gas flowmeter 22 and is also communicated with an air leakage pipe 5.
The air escape pipeline 5 is provided with a control valve which is a one-way manual control valve 51. A fine adjustment valve is arranged between the compensation tank 41 and the second air inlet pipeline 4, and the fine adjustment valve is a manual scale type fine adjustment valve 6. One end of the air leakage pipeline 5 departing from the first air inlet pipeline 2 is communicated with an exhaust gas absorption device, and the tail end of the first air inlet pipeline 2 is communicated with the gas temporary storage device 52. In this embodiment, the gas temporary storage device 52 may be the gas storage tank 1 or the gas storage pipeline.
Referring to fig. 1, a gas supplementing pipeline 7 is communicated with a pipeline body between the gas tank 1 and the preset valve, and one end of the gas supplementing pipeline 7, which is far away from the first gas inlet pipeline 2, is communicated with a storage tank 71. An air supply valve is arranged on the air supply pipeline 7 and is an automatic control valve 72, and the controller 3 is in control connection with the automatic control valve 72.
The implementation principle of the automatic regulating and compensating system for the air supply flow of the special gas cabinet pipeline in the embodiment of the application is as follows: before gas delivery, the gas flow is adjusted in advance by the gear adjusting valve 21; the accuracy of the preset valve is measured by the electronic gas flow meter 22; when the gas flow rate is larger than the preset value, the control valve performs air leakage regulation on the gas in the first pipeline, and the leaked special gas is temporarily stored in the gas temporary storage device 52; when the gas flow is smaller than the preset value, the compensation tank 41 is opened by the manual scale type fine adjustment valve 6, the gas flow is compensated by the compensation tank 41, and the gas flow is accurately adjusted.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a special gas holder pipeline air feed flow automatically regulated compensating system, includes gas pitcher (1), the gas pitcher (1) end intercommunication of giving vent to anger has first admission line (2), be provided with the preset valve on first admission line (2), still be provided with electronic gas flowmeter (22) on first admission line (2), electronic gas flowmeter (22) signal connection has controller (3), controller (3) control the volume of opening and shutting of preset valve, its characterized in that, first admission line (2) are located the intercommunication has second admission line (4) on the pipe shaft between preset valve and the electronic gas flowmeter (22), second admission line (4) intercommunication has compensating tank (41), first admission line (2) are located still the intercommunication has disappointing pipeline (5) on the pipe shaft between preset valve and the electronic gas flowmeter (22), a control valve is arranged on the air leakage pipeline (5), and a fine adjustment valve is arranged between the compensation tank (41) and the second air inlet pipeline (4).
2. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: the preset valve is a gear adjusting valve (21), the gear adjusting valve (21) comprises a driver (211) and a gear valve (212), the driver (211) receives and responds to a signal of the controller (3), the driver (211) controls the gear valve (212) to adjust the gas flow, and the fine adjustment valve is a manual scale type fine adjustment valve (6).
3. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: the gas leakage pipeline (5) deviates from one end of the first gas inlet pipeline (2) and is communicated with a gas temporary storage device (52), and the tail end of the first gas inlet pipeline (2) is communicated with the gas temporary storage device (52).
4. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: a pressure sensor (23) is arranged on the pipe body of the first air inlet pipeline (2), the pressure sensor (23) is in signal connection with the controller (3), and an output end of the controller (3) is in signal connection with an audible and visual alarm (24).
5. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: the controller (3) is a PLC, a singlechip or a microprocessor.
6. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: the control valve is a one-way manual control valve (51).
7. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 1, is characterized in that: the gas tank (1) and the pipeline pipe body between the preset valves are communicated with a gas supplementing pipeline (7), and one end, deviating from the first gas inlet pipeline (2), of the gas supplementing pipeline (7) is communicated with a storage tank (71).
8. The automatic regulating and compensating system for the gas supply flow of the special gas cabinet pipeline according to claim 7 is characterized in that: an air supplementing valve is arranged on the air supplementing pipeline (7), the air supplementing valve is an automatic control valve (72), and the controller (3) is in control connection with the automatic control valve (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514616.8U CN213272036U (en) | 2020-07-27 | 2020-07-27 | Automatic regulating and compensating system for air supply flow of special gas cabinet pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514616.8U CN213272036U (en) | 2020-07-27 | 2020-07-27 | Automatic regulating and compensating system for air supply flow of special gas cabinet pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213272036U true CN213272036U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021514616.8U Active CN213272036U (en) | 2020-07-27 | 2020-07-27 | Automatic regulating and compensating system for air supply flow of special gas cabinet pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213272036U (en) |
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2020
- 2020-07-27 CN CN202021514616.8U patent/CN213272036U/en active Active
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