Gas metering device

Abstract

The present invention provides a gas metering device in the field of gas treatment equipment. The present invention provides a gas quantitative injection device including a support base and a recovery monitoring component, The recovery monitoring components are mounted on one side of the support base and are distributed symmetrically. The present invention provides a method for dispensing an air pump and an injection part, and a first connecting pipe. The gas is then transported into the gas injection tube through the second valve for subsequent gas treatment. The engine is transported to the emergency brake and discharged through the fixed parts of the support frame, ensuring the normal operation of the entire In the present invention, a recovery monitoring component and a fixing component are provided inside the telescopic slide. After the gas mass sensor detects the gas, if the detected value exceeds the set value, a buzzer will sound. This will provide early warning and avoid gas leakage, ensuring the efficiency of subsequent gas treatment. to protect workplace equipment from various degrees of corrosion attack and to improve overall durability. The number of years is extended.

Description

[Technical Field]

[0001] The present invention relates to the technical field of gas treatment equipment, and more particularly to gas metering equipment. [Background technology]

[0002] A gas is a fluid that has no shape but has volume and can be compressed and expanded. Gases can flow and change shape, and are fluids just like liquids. Unlike solids, gases can be compressed and expanded due to the large distance between molecules. Without a gas (a container or force field), the gas can expand and its volume is unlimited. The atoms and molecules of a gaseous substance can move freely relative to one another. The energy of gas is relatively high. The form of gas is affected by its volume, temperature, and pressure strength. These elements constitute multiple gas laws, but the three influence each other. It can be done.

[0003] When processing gases, an injection process operation must be performed.

[0004] In the prior art, if the leak prevention test component is not installed after injecting the sample into the gas, There is a possibility of gas leakage, which will affect the normal processing of gas, while the on-site equipment is affected to various degrees. At the same time, if a fixed-volume intake system is not installed, This can easily lead to problems with excessive internal gas pressure, which can pose safety hazards of varying degrees. , can not meet the normal use requirements, so the present invention is to solve the above problem Therefore, it is necessary to design a gas metering device. Summary of the Invention

[0005] The object of the present invention is to provide a method for preventing leakage when a leak-proof inspection component is not installed after injecting a sample into the gas. There is a possibility of gas leakage, which will affect the normal processing of gas, while the on-site equipment will be affected to various degrees. At the same time, if the fixed intake equipment is not installed, the inspection Occasionally, excessive internal gas pressure problems can occur, posing safety hazards of varying degrees. This solves the problem presented in the background art above, which is that the requirements for normal use cannot be met. To solve this problem, a gas quantitative injection device is provided. Therefore, the object of the present invention is achieved as follows. A gas quantitative injection device including a support base, a recovery monitoring component, a fixing component, and a gas injection tube. hand, Two sets of support frames are symmetrically distributed on the top of the support platform; A support side plate is attached to the top of each set of the support frames, and the two sets of the support frames The gas injection tube and the intake processing box used together are fixed on one side, close to each other. The intake treatment box is connected to the filter chamber and the injection part including the transport pipe. The intake treatment box is fixedly attached to the inside thereof, and the filter chambers extending outward are fixedly connected to the inside thereof. A gas density sensor is fixedly connected to one side of the filtration chamber, and both of the gas density sensors The transport pipelines are fixedly connected to the sides, The recovery monitoring components are mounted on one side of the support base and are symmetrically distributed; The recovery monitoring components include a connecting plate and a mounting base plate, which are symmetrically distributed on one side of the support base. A connecting plate is attached to the bottom of the connecting plate, and a mounting bottom plate is fixedly connected to the bottom of the connecting plate. , The fixing part is attached to the bottom of the support base and is connected to the recovery monitoring part. It has been The gas injection tube is mounted on top of the support platform and is located on one side of the support frame. A first connecting pipe is attached between each of the gas injection tubes, and the first connecting pipe is Provides a gas metering device with two pressure relief lines attached to one side

[0006] The fixing part includes a mounting frame and a support inclined plate, and a mounting bottom which is the bottom of the support base. On one side of the plate, a symmetrically distributed mounting frame is attached, and the mounting frame is A connecting side plate is attached to one side away from the bottom plate, and the connecting side plate and the mounting frame Support inclined plates are attached between the connecting side plates, and support plates are attached at equal intervals to the bottom of the connecting side plates. A first positioning bolt is screwed into the bottom of the support base, and one side of the mounting frame is A second positioning bolt is screwed into the mounting bottom plate, and the second positioning bolt extends to the inside of the mounting frame. A cavity is opened in the bottom plate, and the cavity has the same structure and extends to the inside of the bottom plate. A second locating bolt is installed.

[0007] A second pipeline is attached between the filtration chamber and the gas injection tube, and the intake processing box and the gas injection tube, a first pipe is attached between the first pipe and the gas injection tube, and the other end of the second pipe is The other end of the first pipe is located below the support base, and the other end of the second pipe is located below the support base. The second connecting pipes are fixedly connected to each other, and the bottom of the second connecting pipes are symmetrically distributed. Intake pipes are installed respectively

[0008] The connecting plates are provided with telescopic slides on one side thereof, the other side being away from the support base. The top of the telescopic slide is fixedly connected to the symmetrically distributed gas recovery pipes, respectively. At the top of the telescopic slide, between the two gas recovery lines, there are symmetrically distributed brakes. The gas injection tube is fixedly connected to the nozzle, and two flanges are fitted to the outside of the gas injection tube. The bottom of the cylinder is fitted with a limiting seat, and the inside of the telescopic slide is fitted with a gas mass sensor. A capacitor is installed.

[0009] A positioning frame is attached to the bottom of each of the second pipes below the support base. The inside of the positioning frame has a third position extending symmetrically to the inside of the support base. A positioning bolt is screwed into the positioning frame, and a bolt extending into the limiting seat is provided inside the positioning frame. A third set of symmetrically distributed positioning bolts is threaded on.

[0010] On the top of the support stand, on one side of the second connecting pipe line away from the gas injection tube (6), Two reinforcing mounting plates are fixedly connected, and an air pump is fixed to the top of each of the reinforcing mounting plates. The output end of the air pump is connected to the inside of the second connecting pipe.

[0011] A battery is attached inside the support side plate and on one side of the filtration chamber, and the transport pipeline A first valve is fixedly connected to the outside of each of the valves.

[0012] A seal top cover is attached to the top of the gas injection tube, and a seal top cover is attached to the outside of the first connecting pipe. Two symmetrically distributed second valves are fixedly connected to the side of the intake pipe, respectively. A third valve is attached to the outside of each duct.

[0013] A support leg seat is fixedly connected to the bottom of the support base over the entire periphery, and the bottom of the support leg seat is The non-slip base is fixedly attached.

[0014] A control panel is fixedly connected to one side of the support side plate away from the intake processing box, and the control panel The panel includes the battery, a gas density sensor, a first valve, a buzzer, an air pump, and a second The first valve and the second valve are electrically connected to each other. [Effects of the Invention]

[0015] The present invention has the following beneficial effects: 1. The present invention is to install the air pump and injection parts, when using it, open the control panel, The valve is opened, and intake air is taken in through the intake pipe line, and the valve of the first pipe line is opened through the second connecting pipe line. The air is transported into the air intake treatment box through the first pipe, and the first valve is opened. When the gas is collected, it is collected into the filtration chamber through the transport pipe, and when it is collected, it is detected through the gas density sensor. The transport amount is detected, and when the injection is performed, the injection amount is controlled, and the first connecting pipe is fed through the second pipe. The gas is then transported into the gas injection tube through the first connecting pipe for subsequent gas treatment. The gas is then transported through the second valve to the emergency brake and through the fixed parts of the support frame. The discharge is then carried out, and normal operation of the entire system is achieved. 2. The present invention provides a recovery monitoring component and a fixing component, and when installing and using the connecting plate, Position the mounting frame on one side of the support base, and then position it below the support base, on one side of the mounting base plate. Position the connecting side plate and the support base through the first positioning bolt, and then position it with the second Position the mounting frame and mounting base plate together through the positioning bolts, and then position the support inclined plate. This improves the stability of the device and makes it easier to install and remove the entire recovery monitoring assembly. It is easy to carry out regular maintenance and reduces the labor intensity. The gas is periodically collected through the gas collection pipe and installed inside the telescopic slide. After being detected by the mass sensor, if the detected value exceeds the set value, an early warning will be issued via a buzzer. By reminding employees to cooperate with timely discharge, the subsequent gas treatment including various gas treatments can be prevented. Not only does it ensure the efficiency of the processing, but it also performs various operations according to the requirements of use. The contact time between the hazardous gas and the equipment at the work site is reduced, and the gas is collected. This makes the pipe resistant to various degrees of corrosion attack and extends its overall service life. [Brief explanation of the drawings]

[0016] The present invention will now be further described with reference to the accompanying drawings and examples. [Figure 1] 1 is a front view of a structure of a gas quantitative injection device according to an embodiment of the present invention. [Figure 2] 1 is a side view of the overall structure of a gas quantitative injection device according to an embodiment of the present invention. [Figure 3] 2 is an enlarged view of the structure of a retrieval monitoring component according to an embodiment of the present invention; [Figure 4] 1 is an enlarged view of a structure of a fixing component according to an embodiment of the present invention; [Figure 5] 1 is an enlarged view of the structure of an injection part according to an embodiment of the present invention; [Figure 6] 2 is a partial enlarged view of a portion A in FIG. 1 according to the embodiment of the present invention. [Figure 7] 2 is a partial enlarged view of a portion B in FIG. 1 according to the embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0017] Hereinafter, embodiments of the present invention will be further described with reference to the accompanying drawings.

[0018] 1 to 7, a support base 1, a collection monitoring component 4, a fixing component 5, a gas injection tube 6, and , and two sets of support frames 2 are symmetrically mounted on the top of the support base 1. The support frame 2 is distributed in a vertical direction, and a support side plate 3 is attached to the top of each set of support frames 2. On one side of the room 2, which is close to each other, there is an intake processing box 17 which is used in conjunction with the gas injection tube 6. are fixedly connected to each other, and the inside of the intake treatment box 17 includes a filtration chamber 91 and a transport pipe 94. The intake treatment box 17 is provided with an injection part 9 including the filter chamber 9 extending outward. 1 are fixedly connected to the filtration chamber 91, and a gas density sensor 93 is fixed to one side of the filtration chamber 91. The gas density sensor 93 is connected to a transport pipe 94 on both sides thereof, and a collection monitoring The visual components 4 are mounted on one side of the support base 1 and are distributed symmetrically. The component 4 includes a connecting plate 41 and a mounting base plate 44, which are symmetrically distributed on one side of the support base 1. The connecting plates 41 are attached, and the mounting bottom plates 44 are fixedly connected to the bottoms of the connecting plates 41. The fixing part 5 is attached to the bottom of the support base 1 and is connected to the recovery monitoring part 4. The gas injection tube 6 is attached to the top of the support base 1, and the support frame 2 The first connecting pipe 20 is attached between the two gas injection tubes 6. Two pressure relief lines 25 are attached to one side of the first connecting line 20 .

[0019] In use, the present invention operates by opening the control panel 19, which activates the air pump 16 and the third The valve is opened, and air is drawn in through the intake pipe 23 during work on the site, and the second connecting pipe 2 2 into the first duct 7, and then into the suction processing box 17 through the first duct 7. When the first valve 95 is opened, the liquid is circulated into the filtration chamber 91 through the transport pipe 94. When collecting and recovering, the transport amount is detected by the gas density sensor 93, and when injecting, The amount of the liquid is controlled and transported through the second pipeline 8 to the inside of the first connecting pipeline 20. 20 into the gas injection tube 6 for subsequent gas treatment, and then the second valve 21 The gas is transported to the emergency brake through the fixed part 5 of the support frame 2 and discharged. The connecting plate 41 is positioned and attached to one side of the support base 1, and then The mounting frame 51 is positioned below the support base 1 and on one side of the mounting bottom plate 44, and the first positioning bolt The connecting side plate 53 and the support base 1 are aligned and positioned through the bolt 54, and the second positioning bolt The mounting frame 51 and the mounting bottom plate 44 are aligned and positioned through 55, and the support inclined plate 52 is By providing this, the stability of the device is improved and the entire collection monitoring component 4 can be easily attached and detached. This makes it easier to install, which is convenient for regular maintenance and reduces the manual labor intensity. The gas is periodically collected through the gas collection pipe 43 and is attached to the inside of the telescopic slide 42. After the gas mass sensor detects the gas, if the detected value exceeds the set value, the buzzer 14 will sound. By issuing early warnings and reminding employees to cooperate in timely discharge, various treatments of gases can be This not only ensures the efficiency of subsequent gas processing, including the treatment of the gas, but also allows various operations to be performed depending on the requirements of use. Because harmful gases are collected, the contact time between the gases and on-site equipment is reduced, Protecting workplace equipment from various degrees of corrosion attack and extending its overall service life will be extended.

[0020] Further, referring to FIGS. 1 to 5, the fixed part (5) comprises a mounting frame 51 and a supporting inclined plate 52. The bottom of the support base 1 includes symmetrically distributed mounting plates 44 on one side thereof. The frame 51 is attached, and the one side of the mounting frame 51 away from the mounting bottom plate 44 is provided with a connecting A connecting side plate 53 is attached, and a supporting inclined plate 52 is provided between the connecting side plate 53 and the mounting frame 51. are attached to the bottom of the connecting side plate 53, and are distributed at equal intervals and extend to the bottom of the support base 1. A first positioning bolt 54 is screwed into one side of the mounting frame 51, and a mounting bottom plate 4 is attached to one side of the mounting frame 51. A second positioning bolt 55 is screwed into the mounting frame 51, and extends to the inside of the mounting frame 51. A cavity is opened, and a second hole having the same structure and extending to the inside of the mounting bottom plate 44 is provided inside the cavity. The mounting frame 51 is attached to the bottom of the support base 1, and the mounting base plate 55 is attached to the bottom of the support base 1. 44, and fasten the connecting side plate 53 and the support base 1 through the first positioning bolt 54. Then, the mounting frame 51 and the mounting bottom plate 4 are fastened together through the second positioning bolt 55. 4 are aligned and positioned, and the supporting inclined plate 52 is provided, improving the stability of the device. do.

[0021] 1, 2, 6, and 7, there is a second filter between the filtration chamber 91 and the gas injection tube 6. The first and second pipes 8 are respectively attached to the intake processing box 17 and the gas injection tube 6. The other end of the second pipe 8 is connected to the first connecting pipe 20, The other end of the first pipe 7 is located below the support base 1, and the second connecting pipe 22 is fixedly connected to the At the bottom of the second connecting pipe 22, there are symmetrically distributed intake pipes 23, The other end of the intake pipe 23 is connected to the outside, and intake air is taken in together. The gas is transported through the pipeline 8 to the inside of the first connecting pipeline 20, and the gas is then The gas is then transported into the injection tube 6 for subsequent gas treatment, and the gas is then urgently released through the second valve 21. The pressure is then released through the pressure relief pipe 25, ensuring normal operation. do.

[0022] Furthermore, referring to FIG. 1-4, on one side of the connecting plate 41 away from the support base 1, there is an expandable slide. The slides 42 are respectively attached to the top of the telescopic slides 42, and are symmetrically distributed The gas recovery pipes 43 are fixedly connected to the top of the telescopic slide 42, and the two gas Between the collection pipes 43, buzzers 14 are fixedly connected, and between the gas injection pipes 6, symmetrically distributed. Two flanges are fitted to the outside of the gas injection tube 6, and limiting seats are attached to the bottom of the gas injection tube 6. A gas mass sensor is attached inside the telescopic slide 42, and Replace the corresponding sensor according to your gas requirements to perform gas support detection process. Installation and Use When doing so, the connecting plate 41 is positioned and attached to one side of the support base 1, and the mounting frame 51 is supported. Align the bottom of the base 1 with one side of the mounting base plate 44 and connect it through the first positioning bolt 54 The side plate 53 and the support base 1 are aligned and positioned, and the mounting frame is fastened using the second positioning bolt 55. The frame 51 and the mounting bottom plate 44 are aligned and positioned, and the support inclined plate 52 is provided. This improves the stability of the device and makes it easier to install and remove the entire recovery monitoring component 4. The gas at the work site is collected through the gas recovery pipe. The gas mass sensor mounted inside the telescopic slide 42 periodically collects the gas through 43. Once the detected value exceeds the set value, an early warning is issued via the buzzer 14 to alert employees. By reminding personnel to cooperate in timely evacuation, the subsequent gas treatment, including various treatments of the gas, Not only does it ensure efficient operation, but it also performs various operations according to the requirements of use. Because the gas is collected, the contact time between the hazardous gas and the equipment at the work site is shortened, and the effects on the equipment at the work site are reduced. This makes it immune to various degrees of corrosion attack and extends the overall service life.

[0023] 1 to 4, the bottom of the second pipe 8 and below the support base 1 are provided with a The positioning frame 10 is attached to each of the support bases 1. The third positioning bolts 11 are threadedly mounted on the inner wall and are symmetrically distributed. Inside the frame 10, there are third positioning bolts extending inside the limiting seat and distributed symmetrically. The present invention is such that the connecting side plate 53 and the connecting side plate 54 are connected to each other through the first positioning bolt 54. The support base 1 is aligned and positioned, and the mounting frame 51 is attached to the support base 1 through the second positioning bolt 55. The mounting base plate 44 is aligned and positioned, and the supporting inclined plate 52 is provided, thereby stabilizing the device. Qualitativeness improves.

[0024] Further, referring to FIGS. 1, 2, 6 and 7, the top of the support base 1 is connected to the second connecting pipe. Two reinforcing mounting plates 15 are fixedly connected to one side of the passage 22 away from the gas injection tube 6, The air pumps 16 are fixedly connected to the tops of the mounting plates 15, and the air pumps 16 The output end is connected to the inside of the second connecting pipe 22. Then, the third valve 24 is opened, and air is drawn in through the intake pipe 23, and the second connecting pipe 22 is opened. The air is transported through the first pipeline 7 into the suction processing box 17 .

[0025] 1, 2, 5 and 6, the inside of the support side plate 3 is the filtration chamber 91. A battery 92 is attached to one side of the pipe 94, and a first valve 95 is attached to the outside of the pipe 94. The power for the device is provided by a battery 92.

[0026] 1, 2 and 7, the top of the gas injection tube 6 is provided with a seal top cover. 18 is attached to the outside of the first connecting pipe 20, and two symmetrically distributed second The valves 21 are fixedly connected to the intake pipe 23, and a third valve (24) is provided on the outside of the intake pipe 23. The sealing process is performed by the sealing top cover 18. .

[0027] Furthermore, referring to FIGS. 1 and 2, a support leg seat 12 is provided around the entire bottom of the support base 1. The support leg seat 12 is fixedly connected to a bottom thereof, and an anti-slip base 13 is fixedly connected to the bottom thereof.

[0028] Furthermore, a control panel 19 is fixedly connected to one side of the support side plate 3 away from the intake processing box 17. The control panel 19 includes a battery 92, a gas density sensor 93, a first valve 95, a buzzer The valve 14, the air pump 16, the second valve 21 and the third valve 24 are electrically connected to each other. The control panel 19 controls the battery 92, the gas density sensor 93, the first The valve 95, the buzzer 14, the air pump 16, the second valve 21, and the third valve 24 By controlling the system in an integrated manner, normal operation as a whole is achieved.

[0029] The sensors measure the environmental parameters, convert them into signals, and send them to the controller. receives and processes the signal, and outputs the corresponding control signal according to a preset control algorithm. The control signal is transmitted to the actuator via the output module, and the actuator The sensor converts the control signal into the corresponding action or adjustment to realize the control of the controlled object. The sensor provides continuous feedback to the controller, allowing the system to The control strategy can be adjusted and optimized in real time. [Explanation of symbols]

[0030] 1... Support base, 2... Support frame, 3... Support side plate, 4... Recovery monitoring part, 41... Connection plate, 42 ... Telescopic slide, 43... Gas recovery pipe, 44... Mounting bottom plate, 5... Fixing part, 51... Mounting frame frame, 52...support inclined plate, 53...connection side plate, 54...first positioning bolt, 55...second Positioning bolt, 6...gas injection tube, 7...first pipe, 8...second pipe, 9...injection part, 9 1...filtration chamber, 92...battery, 93...gas density sensor, 94...transport pipeline, 95...first battery 10...positioning frame, 11...third positioning bolt, 12...support leg base, 13... Non-slip base, 14... buzzer, 15... reinforcement mounting plate, 16... air pump, 17... intake processing box , 18... seal top cover, 19... control panel, 20... first connecting pipe, 21... second Valve, 22... second connecting pipe, 23... intake pipe, 24... third valve, 25... pressure relief conduit.

Claims

1. The device includes a support base (1), a recovery monitoring component (4), a fixing component (5), and a gas injection tube (6). A gas quantitative injection device including: Two sets of support frames (2) are symmetrically distributed on the top of the support base (1); A support side plate (3) is attached to the top of each set of the support frame (2), The two sets of support frames (2) are fitted with gas injection tubes (6) on one side adjacent to each other. The air intake treatment boxes (17) used for the respective processes are fixedly connected to each other, and among the air intake treatment boxes (17), The filter chamber (91) and the injection part (9) including the transport pipe (94) are attached to the filter chamber (91). and The suction treatment box (17) has a filter chamber (91) fixedly connected thereto and extending outward. A gas density sensor (93) is fixedly connected to one side of the filtering chamber (91), A transport pipe (94) is fixedly connected to both sides of the gas density sensor (93), The recovery monitoring components (4) are mounted on one side of the support base (1) and are symmetrically distributed. The recovery monitoring component (4) includes a connecting plate (41) and a mounting base plate (44), and the support On one side of the carrier (1) are mounted symmetrically distributed connecting plates (41), A mounting bottom plate (44) is fixedly connected to the bottom of each plate (41), The fixed part (5) is attached to the bottom of the support base (1) and is aligned with the recovery monitoring part (4). It is connected and in use, The gas injection tube (6) is attached to the top of the support base (1) and is attached to one side of the support frame (2). The gas injection cylinders (6) are located on the side of the gas injection cylinders (6), and a first connecting pipe (20) is provided between the two gas injection cylinders (6). Two pressure relief lines (25) are attached to one side of the first connecting line (20). It is attached, A gas quantitative injection device characterized by:

2. The fixed part (5) includes a mounting frame (51) and a supporting inclined plate (52); The bottom of the support base (1) has a mounting base plate (44) on one side thereof, and the mounting base plate (44) has symmetrically distributed mounting holes. A mounting frame (51) is attached to the mounting base plate (44) of the mounting frame (51). A connecting side plate (53) is attached to one side of the connecting side plate (53), and the connecting side plate (53) and the mounting frame Between the connecting side plates (51) and (52), a supporting inclined plate (52) is attached, and the connecting side plates (53) At the bottom of the support base (1), there are first positioning bolts (54) that are evenly distributed and extend to the bottom of the support base (1). ) is screwed to one side of the mounting frame (51), and extends to the inside of the mounting bottom plate (44). A second positioning bolt (55) is screwed into the mounting frame (51). A cavity is opened, and inside the cavity, a part having the same structure and extending to the inside of the mounting bottom plate (44) is provided. A second positioning bolt (55) is attached.

2. The gas quantitative injection device according to claim 1.

3. A second pipe (8) is attached between the filtering chamber (91) and the gas injection tube (6). Between the intake processing box (17) and the gas injection tube (6), a first pipe (7) is provided. and attached, The other end of the second pipe (8) is connected to a first connecting pipe (20), and the first pipe ( The other end of each of the pipes (7) is located below the support base (1), and the second connecting pipe (22) is fixedly connected to the pipes (7). At the bottom of the second connecting pipe (22) are symmetrically distributed intake pipes (23). ) are attached to each 3. The gas quantitative injection device according to claim 2.

4. On one side of the connecting plate (41) away from the support base (1), there is a telescopic slide (42). The top of the telescopic slide (42) is fitted with a symmetrically distributed gas circuit. The collection pipes (43) are fixedly connected to each other, At the top of the telescopic slide (42) and between the two gas recovery lines (43), there are symmetrical buzzers (14) distributed around the Two flanges are fitted to the outside of the gas injection tube (6), and the bottom of the gas injection tube (6) The telescopic slide (42) has a gas mass sensor mounted therein. The sensor is installed, 4. The gas quantitative injection device according to claim 3.

5. A positioning frame (10) is provided at the bottom of the second pipe (8) and below the support base (1). ) are attached to the inside of the positioning frame (10), and the inside of the support base (1) and a third set of symmetrically distributed positioning bolts (11) are threaded thereon, The inside of the positioning frame (10) has a plurality of limiting seats extending therein and symmetrically distributed. Three positioning bolts (11) are screwed in.

5. The gas quantitative injection device according to claim 4.

6. The top of the support stand (1) is separated from the gas injection tube (6) of the second connecting pipe line (22). On one side, two reinforcing mounting plates (15) are fixedly connected, and the top of the reinforcing mounting plates (15) An air pump (16) is fixedly connected to each of the air pumps (16), and the output end of the air pump (16) is connected to the interior of the second connecting pipe (22); 6. The gas quantitative injection device according to claim 5.

7. A battery (92) is attached inside the support side plate (3) on one side of the filtration chamber (91). A first valve (95) is fixedly connected to the outside of each of the transport pipelines (94). It is being 7. The gas quantitative injection device according to claim 6.

8. A seal top cover (18) is attached to the top of the gas injection tube (6), and the first On the outside of the connecting line (20) there are two symmetrically distributed second valves (21). A third valve (24) is fixedly connected to the intake pipe (23). It is attached, 8. The gas quantitative injection device according to claim 7.

9. A support leg seat (12) is fixedly connected to the bottom of the support base (1) around the entire periphery. A non-slip base (13) is fixedly connected to the bottom of the leg seat (12).

9. The gas quantitative injection device according to claim 8.

10. A control panel (19) is fixed to one side of the support side plate (3) away from the intake processing box (17). The control panel (19) is connected to the battery (92), the gas density sensor (9 3), first valve (95), buzzer (14), air pump (16), second valve (2 1) and a third valve (24) are electrically connected to each other; 10. The gas quantitative injection device according to claim 9.

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