CN213556385U

CN213556385U - Hydrogen-nitrogen mixed gas distribution equipment with accurate ratio

Info

Publication number: CN213556385U
Application number: CN202021861917.8U
Authority: CN
Inventors: 孔翊; 熊小茜
Original assignee: Yahong Century Technology Development Suzhou Co ltd
Current assignee: Yahong Century Technology Development Suzhou Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-29
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a hydrogen nitrogen mixes distribution equipment that ratio is accurate, comprising a base plate, the left side at bottom plate top is fixedly connected with hydrogen tank and nitrogen gas jar respectively, the top fixedly connected with blending tank of bottom plate, the top intercommunication of hydrogen tank has first pipeline, the first control valve of bottom fixedly connected with on first pipeline surface, the fixed surface of first pipeline is connected with first flowmeter. The utility model discloses a bottom plate, hydrogen tank, nitrogen gas jar, blending tank, first pipeline, first control valve, first flowmeter, second pipeline, second control valve, second flowmeter, manometer, PLC controller, relief pressure valve, alarm, buffer tank's cooperation is used, can effectually solve the unstable problem of traditional pneumatic control valve regulation flow time leaded to mixing proportion easily, the device passes through automatic control mode, can effectually carry out flow control, guarantees flow accuracy, the proportion of mixing is more stable.

Description

Hydrogen-nitrogen mixed gas distribution equipment with accurate ratio

Technical Field

The utility model relates to a distribution technical field specifically is a hydrogen nitrogen mixes distribution equipment that ratio is accurate.

Background

At electron, chemical industry, oil, manufacturing industries such as glass need the nitrogen-hydrogen gas mixture, the nitrogen-hydrogen gas mixture is through introducing nitrogen gas and hydrogen and mixing in blender or blending tank and obtaining, in order to ensure the mixing ratio of nitrogen-hydrogen, set up detection device on the output line of blender or blending tank usually, and adopt pneumatic control valve to adjust the flow, utilize the cylinder to adjust the degree of opening of valve, this kind of atmospheric pressure regulation mode reaction is slow, there is serious hysteresis effect, it is unstable to lead to the mixing ratio of nitrogen-hydrogen in the gas mixture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen nitrogen mixes distribution equipment that ratio is accurate possesses the advantage that the precision is high, has solved that the tradition adopts the atmospheric pressure mode reaction slow, has serious hysteresis effect, leads to the unstable problem of mixed proportion of nitrogen hydrogen in the gas mixture.

In order to achieve the above object, the utility model provides a following technical scheme: a hydrogen and nitrogen mixed gas distribution device with accurate ratio comprises a bottom plate, wherein the left side of the top of the bottom plate is fixedly connected with a hydrogen tank and a nitrogen tank respectively, the top of the bottom plate is fixedly connected with a mixing tank, the top of the hydrogen tank is communicated with a first pipeline, the bottom of the surface of the first pipeline is fixedly connected with a first control valve, the surface of the first pipeline is fixedly connected with a first flowmeter, the right side of the first pipeline is communicated with the mixing tank, the top of the nitrogen tank is communicated with a second pipeline, the bottom of the surface of the second pipeline is fixedly connected with a second control valve, the surface of the second pipeline is fixedly connected with a second flowmeter, the top of the mixing tank is communicated with a pressure gauge, the surface of the mixing tank is fixedly connected with a PLC (programmable logic controller), the right side of the top of the mixing tank is fixedly connected with a pressure reducing valve, and the surface of, the right side fixedly connected with buffer tank at bottom plate top, the left side and the blending tank intercommunication of buffer tank.

Preferably, the bottom on the right side of the buffer tank is communicated with an exhaust pipe, and the surface of the exhaust pipe is fixedly connected with a third control valve.

Preferably, the bottom of the hydrogen tank and the bottom of the nitrogen tank are both fixedly connected with a base, and the bottom of the base is fixedly connected with the top of the bottom plate.

Preferably, the left side of bottom plate top fixedly connected with holder, one side of holder respectively with hydrogen jar and nitrogen gas jar fixed connection.

Preferably, the PLC controller is electrically connected to the first control valve, the second control valve, and the third control valve, respectively, and the first flowmeter and the second flowmeter are electrically connected to the PLC controller through wires.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a bottom plate, hydrogen tank, nitrogen gas jar, blending tank, first pipeline, first control valve, first flowmeter, second pipeline, second control valve, second flowmeter, manometer, PLC controller, relief pressure valve, alarm, buffer tank's cooperation is used, can effectually solve the unstable problem of traditional pneumatic control valve regulation flow time leaded to mixing proportion easily, the device passes through automatic control mode, can effectually carry out flow control, guarantees flow accuracy, the proportion of mixing is more stable.

2. The utility model discloses a set up blast pipe and third control valve, can be used for connecting outside air supply equipment and carry out the gas transmission and use, through setting up the base, can guarantee the stability of hydrogen tank and nitrogen gas jar to guaranteed the holistic stability of the device, through setting up the holder, can play further enhancement effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the nitrogen tank structure of the present invention;

fig. 3 is a schematic diagram of the system of the present invention.

In the figure: 1. a base plate; 2. a hydrogen tank; 3. a nitrogen tank; 4. a mixing tank; 5. a first conduit; 6. a first control valve; 7. a first flow meter; 8. a second conduit; 9. a second control valve; 10. a second flow meter; 11. a pressure gauge; 12. a PLC controller; 13. a pressure reducing valve; 14. an alarm; 15. a buffer tank; 16. an exhaust pipe; 17. a third control valve; 18. a base; 19. a cage.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a hydrogen-nitrogen mixed gas distribution device with accurate ratio comprises a bottom plate 1, a retainer 19 is fixedly connected to the left side of the top of the bottom plate 1, one side of the retainer 19 is fixedly connected with a hydrogen tank 2 and a nitrogen tank 3 respectively, the left side of the top of the bottom plate 1 is fixedly connected with a hydrogen tank 2 and a nitrogen tank 3 respectively, the bottom of the hydrogen tank 2 and the bottom of the nitrogen tank 3 are both fixedly connected with a base 18, the bottom of the base 18 is fixedly connected with the top of the bottom plate 1, the top of the bottom plate 1 is fixedly connected with a mixing tank 4, the top of the hydrogen tank 2 is communicated with a first pipeline 5, the bottom of the surface of the first pipeline 5 is fixedly connected with a first control valve 6, the surface of the first pipeline 5 is fixedly connected with a first flowmeter 7, the right side of the first pipeline 5 is communicated with the mixing tank 4, the top of the nitrogen tank 3 is communicated with a second pipeline 8, the, the surface of the second pipeline 8 is fixedly connected with a second flowmeter 10, the top of the mixing tank 4 is communicated with a pressure gauge 11, the surface of the mixing tank 4 is fixedly connected with a PLC (programmable logic controller) 12, the PLC 12 is respectively and electrically connected with a first control valve 6, a second control valve 9 and a third control valve 17, the first flowmeter 7 and the second flowmeter 10 are both electrically connected with the PLC 12 through leads, the right side of the top of the mixing tank 4 is fixedly connected with a pressure reducing valve 13, the surface of the pressure reducing valve 13 is fixedly connected with an alarm 14, the right side of the top of the bottom plate 1 is fixedly connected with a buffer tank 15, the bottom of the right side of the buffer tank 15 is communicated with an exhaust pipe 16, the surface of the exhaust pipe 16 is fixedly connected with the third control valve 17, the left side of the buffer tank 15 is communicated with the mixing tank 4, through the arrangement of the exhaust pipe 16 and the third control valve 17, the, can guarantee hydrogen tank 2 and nitrogen gas jar 3 stability, thereby the holistic stability of the device has been guaranteed, through setting up holder 19, can play further enhancement effect, through bottom plate 1, hydrogen tank 2, nitrogen gas jar 3, blending tank 4, first pipeline 5, first control valve 6, first flowmeter 7, second pipeline 8, second control valve 9, second flowmeter 10, manometer 11, PLC controller 12, relief pressure valve 13, alarm 14, buffer tank 15's cooperation is used, can effectually solve the problem that leads to mixing proportion unstability easily when traditional pneumatic control valve adjusts flow, the device passes through the automated control mode, can effectually carry out flow control, guarantee flow accuracy, the proportion of mixing is more stable.

During the use, control first control valve 6 and second control valve 9 respectively through PLC controller 12 and open, first flowmeter 7 and second flowmeter 10 detect the input volume of hydrogen and nitrogen gas respectively simultaneously, when reaching the default, send the instruction to the PLC control valve respectively, control first control valve 6 and second control valve 9 and seal, and then reach the result of use of more accurate ratio.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mixture gas distribution equipment is mixed to accurate hydrogen nitrogen of ratio, includes bottom plate (1), its characterized in that: the hydrogen tank (2) and the nitrogen tank (3) are fixedly connected to the left side of the top of the bottom plate (1) respectively, the mixing tank (4) is fixedly connected to the top of the bottom plate (1), the top of the hydrogen tank (2) is communicated with a first pipeline (5), a first control valve (6) is fixedly connected to the bottom of the surface of the first pipeline (5), a first flow meter (7) is fixedly connected to the surface of the first pipeline (5), the right side of the first pipeline (5) is communicated with the mixing tank (4), a second pipeline (8) is communicated with the top of the nitrogen tank (3), a second control valve (9) is fixedly connected to the bottom of the surface of the second pipeline (8), a second flow meter (10) is fixedly connected to the surface of the second pipeline (8), a pressure meter (11) is communicated to the top of the mixing tank (4), and a PLC (12) is fixedly connected to the surface of the mixing tank (4), the right side fixedly connected with relief pressure valve (13) at blending tank (4) top, the fixed surface of relief pressure valve (13) is connected with alarm (14), the right side fixedly connected with buffer tank (15) at bottom plate (1) top, the left side and the blending tank (4) intercommunication of buffer tank (15).

2. The hydrogen-nitrogen mixing gas distribution equipment with accurate mixture ratio as claimed in claim 1, characterized in that: the bottom on the right side of the buffer tank (15) is communicated with an exhaust pipe (16), and a third control valve (17) is fixedly connected to the surface of the exhaust pipe (16).

3. The hydrogen-nitrogen mixing gas distribution equipment with accurate mixture ratio as claimed in claim 1, characterized in that: the bottom of the hydrogen tank (2) and the bottom of the nitrogen tank (3) are fixedly connected with a base (18), and the bottom of the base (18) is fixedly connected with the top of the bottom plate (1).

4. The hydrogen-nitrogen mixing gas distribution equipment with accurate mixture ratio as claimed in claim 1, characterized in that: the left side fixedly connected with holder (19) at bottom plate (1) top, one side of holder (19) respectively with hydrogen tank (2) and nitrogen gas jar (3) fixed connection.

5. The hydrogen-nitrogen mixing gas distribution equipment with accurate mixture ratio as claimed in claim 1, characterized in that: the PLC controller (12) is respectively electrically connected with the first control valve (6), the second control valve (9) and the third control valve (17), and the first flowmeter (7) and the second flowmeter (10) are electrically connected with the PLC controller (12) through leads.