CN211069676U - Proportioning device - Google Patents
Proportioning device Download PDFInfo
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- CN211069676U CN211069676U CN201921266807.4U CN201921266807U CN211069676U CN 211069676 U CN211069676 U CN 211069676U CN 201921266807 U CN201921266807 U CN 201921266807U CN 211069676 U CN211069676 U CN 211069676U
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- air outlet
- proportioning device
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Abstract
The utility model discloses a proportioning device, proportioning device includes the subassembly that admits air, is located admit air the gas pitcher and the control system of subassembly output, wherein, the subassembly that admits air includes gas feed, relief pressure valve, mass flow meter and gas outlet, admit air through pipe connection between the adjacent part of subassembly, the gas pitcher surface is equipped with air inlet and gas outlet, the air inlet with gas outlet corresponds, gas outlet position department is provided with the subassembly of giving vent to anger, control system includes flow controller and programmable P L C controller, flow controller with mass flow meter electric connection, programmable P L C controller with flow controller electric connection.
Description
Technical Field
The utility model belongs to the technical field of gaseous ratio, especially, relate to a proportioning device.
Background
In industrial production, need sometimes carry out the ratio with multiple gas, reuse, nitrogen gas and hydrogen proportioning device mix nitrogen gas and hydrogen according to certain proportion, then send to the point of use, and traditional proportioning device area is big, and required cost is higher, and the operating procedure is comparatively complicated to the effect of ratio is poor, and gas flow is difficult to control, influences subsequent use.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a proportioning device, can carry out the ratio to hydrogen and nitrogen gas accurately, and area is little, and the cost is lower, easy operation, the ratio is effectual.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the proportioning device comprises an air inlet assembly, a mixed gas tank and a control system, wherein the mixed gas tank is positioned at the output end of the air inlet assembly, the air inlet assembly comprises a gas inlet, a pressure reducing valve, a mass flow meter and a gas outlet, adjacent parts of the air inlet assembly are connected through a guide pipe, the surface of the mixed gas tank is provided with an air inlet and an air outlet, the air inlet corresponds to the gas outlet, the air outlet is provided with an air outlet assembly, the control system comprises a flow controller and a programmable P L C controller, the flow controller is electrically connected with the mass flow meter, and the programmable P L C controller is electrically connected with the flow controller.
In a preferred embodiment of the present invention, the number of the gas inlet assemblies is two, one is hydrogen gas inlet and the other is nitrogen gas inlet.
In a preferred embodiment of the present invention, the nitrogen gas inlet assembly further comprises a ball valve, and the ball valve is connected in parallel with the mass flow meter.
In a preferred embodiment of the present invention, an air intake pressure gauge is disposed between the air inlet and the pressure reducing valve, and the air intake pressure gauge is electrically connected to the programmable P L C controller.
In a preferred embodiment of the present invention, the air outlet assembly comprises an air outlet pipe and a valve located on the air outlet pipe, and the air outlet pipe is connected to the air outlet.
In a preferred embodiment of the present invention, the outlet pipe is further provided with an outlet pressure gauge, and the outlet pressure gauge is electrically connected to the programmable P L C controller.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
the utility model discloses under the mating reaction of two sets of air inlet assembly, realized the ratio to hydrogen and nitrogen gas, mass flow meter's existence can be controlled effectively hydrogen and nitrogen gas's flow, and the existence of relief pressure valve can decompress gas, avoids causing the pipeline to leak because of gas pressure is too big, and the existence of manometer can monitor atmospheric pressure, the utility model discloses area is little, the consumption of cost is reduced to easy operation is effectual to the ratio of two kinds of gases.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;
in the figure: 1. an air intake assembly; 11. a gas inlet; 12. a pressure reducing valve; 13. a mass flow meter; 14. a gas outlet; 15. an air intake pressure gauge; 2. a mixing gas tank; 3. a flow control instrument; 4. a ball valve; 5. an air outlet assembly; 51. an air outlet pipe; 52. and an air outlet pressure gauge.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in figure 1, the proportioning device comprises an air inlet component 1, a mixed air tank 2 and a control system, wherein the mixed air tank 2 is located at the output end of the air inlet component 1, the air inlet component 1 comprises an air inlet 11, a pressure reducing valve 12, a mass flow meter 13 and an air outlet 14, adjacent parts of the air inlet component 1 are connected through a conduit, the surface of the mixed air tank 2 is provided with an air inlet and an air outlet, the air inlet corresponds to the air outlet 14, the air outlet is provided with an air outlet component 5, the control system comprises a flow controller 3 and a programmable P L C controller, the flow controller 3 is electrically connected with the mass flow meter 13, and the programmable P L C controller is electrically connected with the flow controller 3.
Specifically, the number of the air inlet assemblies 1 is two, one air inlet assembly 1 is used for hydrogen inlet, and the other air inlet assembly 1 is used for nitrogen inlet.
Further, the subassembly 1 that admits air of nitrogen gas still includes ball valve 4, and ball valve 4 is parallelly connected setting with mass flow meter 13, and ball valve 4's existence can change the flow direction of nitrogen gas, and when nitrogen gas need not to pass through mass flow meter 13, ball valve 4 opened, and nitrogen gas gets into in the blending gas jar 2 through ball valve 4.
Further, an air inlet pressure gauge 15 is arranged between the air inlet 11 and the pressure reducing valve 12, and the air inlet pressure gauge 15 is electrically connected with the programmable P L C controller.
Specifically, the air outlet assembly 5 includes an air outlet pipe 51 and a valve located on the air outlet pipe 51, and the air outlet pipe 51 is connected to the air outlet.
Further, an outlet pressure gauge 52 is further disposed on the outlet pipe 51, and the outlet pressure gauge 52 is electrically connected to the programmable P L C controller.
All in all, the utility model discloses under two sets of cooperation of subassembly 1 that admits air, realized the ratio to hydrogen and nitrogen gas, mass flow meter 13's existence can be controlled the flow of hydrogen and nitrogen gas effectively, and the existence of relief pressure valve 12 can decompress gas, avoids causing the pipeline to leak because of gas pressure is too big, and the existence of manometer can monitor atmospheric pressure, the utility model discloses area is little, the consumption of cost is reduced to easy operation is effectual to the ratio of two kinds of gases.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The proportioning device is characterized by comprising an air inlet assembly, a mixed gas tank and a control system, wherein the mixed gas tank is positioned at the output end of the air inlet assembly; wherein:
the air inlet assembly comprises an air inlet, a pressure reducing valve, a mass flow meter and an air outlet, and adjacent parts of the air inlet assembly are connected through a guide pipe;
the surface of the mixed gas tank is provided with a gas inlet and a gas outlet, the gas inlet corresponds to the gas outlet, and a gas outlet assembly is arranged at the position of the gas outlet;
the control system comprises a flow controller and a programmable P L C controller, wherein the flow controller is electrically connected with the mass flow meter, and the programmable P L C controller is electrically connected with the flow controller.
2. The proportioning device of claim 1 wherein the number of gas inlet assemblies is two, one for hydrogen gas and one for nitrogen gas.
3. The proportioning device of claim 2 wherein the nitrogen gas inlet assembly further comprises a ball valve, the ball valve being arranged in parallel with the mass flow meter.
4. The proportioning device of claim 1 wherein a gas inlet pressure gauge is disposed between the gas inlet and the pressure reducing valve, and the gas inlet pressure gauge is electrically connected to the programmable P L C controller.
5. The proportioning device of claim 1 wherein the air outlet assembly comprises an air outlet tube and a valve positioned on the air outlet tube, and the air outlet tube is connected with the air outlet.
6. The proportioning device of claim 5 wherein an air outlet pressure gauge is further provided on the air outlet pipe, the air outlet pressure gauge being electrically connected to the programmable P L C controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266807.4U CN211069676U (en) | 2019-08-07 | 2019-08-07 | Proportioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266807.4U CN211069676U (en) | 2019-08-07 | 2019-08-07 | Proportioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211069676U true CN211069676U (en) | 2020-07-24 |
Family
ID=71620947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921266807.4U Active CN211069676U (en) | 2019-08-07 | 2019-08-07 | Proportioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211069676U (en) |
-
2019
- 2019-08-07 CN CN201921266807.4U patent/CN211069676U/en active Active
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