CN216458150U

CN216458150U - Automatic distributing device for fluorine-nitrogen mixed gas

Info

Publication number: CN216458150U
Application number: CN202123189412.9U
Authority: CN
Inventors: 陈建华; 陈忠毅; 周远慧; 蓝江煌; 应韵进; 蔡宗鹏
Original assignee: Fujian Kings Fluoride Industry Co ltd
Current assignee: Fujian Kings Fluoride Industry Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an automatic distributing device of fluorine nitrogen mixture, including the gas distribution cylinder, fixed mounting has last spacer disc, lower spacer disc in the gas distribution cylinder, the air guide mechanism is installed to the gas distribution cylinder, fixed mounting has two air pumps in the gas distribution cylinder, and equal fixed mounting has the gas-supply pipe, two between the gas delivery end of two air pumps and corresponding last spacer disc, the lower spacer disc equal fixed mounting have the separation disc, two in the gas-supply pipe equal fixed mounting has the separation disc, two on the separation disc all have the removal to block through intercommunicating pore slidable mounting, and every removes and blocks and corresponding intercommunicating pore between equal fixed mounting have a plurality of reset spring, every all install detection mechanism in the gas-supply pipe, install mixing mechanism in the gas distribution cylinder. Has the advantages that: the utility model discloses can carry out accurate detection and control to the injected flow of raw materials fluorine nitrogen gas mixture and nitrogen gas, make the concentration of finished product fluorine nitrogen gas mixture more accurate, and can not take place backward flow phenomenon after gaseous injection is accomplished, distribution concentration is accurate, efficient, comparatively safe.

Description

Automatic distributing device for fluorine-nitrogen mixed gas

Technical Field

The utility model relates to a technical field of fluorine nitrogen mixture distribution especially relates to an automatic distributing device of fluorine nitrogen mixture.

Background

The fluorine-nitrogen mixed gas is an important raw material in the field of fine chemical engineering, is widely applied to the fields of electronics, laser technology, medical plastics and the like, and can be used for surface passivation treatment of glass etching, metal materials, pipelines and the like;

when preparing the fluorine-nitrogen mixed gas, a gas distribution device is usually adopted to mix the raw material fluorine-nitrogen mixed gas with the concentration of 30% and the nitrogen with the concentration of 99.99%, so that 3 per mill of finished fluorine-nitrogen mixed gas is obtained;

when the existing gas distribution device mixes raw material fluorine-nitrogen mixed gas and nitrogen gas, the flow rate and the gas distribution quantity of the two gases cannot be accurately controlled, so that finished product fluorine-nitrogen mixed gas with proper concentration cannot be accurately prepared, and gas backflow is easy to occur during gas transmission, so that the existing gas distribution device has certain limitation;

therefore, it is desirable to design an automatic distribution device for a fluorine-nitrogen mixture to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an automatic gas distribution device for a fluorine-nitrogen mixed gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic gas distribution device of fluorine nitrogen mixture, includes the gas distribution cylinder, fixed mounting has last separation disc, lower separation disc in the gas distribution cylinder, the air guide mechanism is installed to the gas distribution cylinder, fixed mounting has two air delivery pumps in the gas distribution cylinder, and the air delivery end of two air delivery pumps and corresponding last separation disc, down equal fixed mounting has the gas-supply pipe between the separation disc, two equal fixed mounting has the separation disc in the gas delivery pipe, two all there is the removal stopper through intercommunicating pore slidable mounting on the separation disc, and every removes and blocks and corresponding intercommunicating pore between equal fixed mounting have a plurality of reset spring, every all install detection mechanism in the gas delivery pipe, install mixing mechanism in the gas distribution cylinder.

In the automatic distribution device for the fluorine-nitrogen mixture, each moving plug is fixedly provided with a sealing disc, and the lower part of each sealing disc is fixedly provided with a rubber sealing plug matched with the corresponding communicating hole.

In the above-mentioned automatic gas distribution device of fluorine nitrogen mixture, the air guide mechanism includes two air supply pipes of fixed mounting on the gas distribution cylinder, and two air supply pipes are located the upper portion of spacer disc and the lower part of spacer disc down respectively, fixed mounting has the outlet duct in the gas distribution cylinder, and the outlet duct is located between spacer disc and the lower spacer disc.

In the automatic gas distribution device for the fluorine-nitrogen mixed gas, the detection mechanism comprises a flow detector and an upper gas disk, the flow detector is fixedly arranged in the gas transmission pipe, the flow detector is rotatably provided with two detection plates through a rotating roller, and the upper gas disk is provided with an upper gas hole matched with the two detection plates.

In foretell automatic gas distribution device of fluorine nitrogen mixture, mixing mechanism includes the servo motor of fixed mounting in the gas distribution cylinder, fixed mounting has the bull stick on servo motor's the drive end, and fixed mounting has a plurality of mixing leaves on the bull stick.

In the automatic gas distribution device for the fluorine-nitrogen mixture, a concentration detector is fixedly installed in the gas distribution cylinder and is positioned between the upper partition plate and the lower partition plate.

Compared with the prior art, the utility model discloses the advantage lies in:

1: the upper separation disc and the lower separation disc are arranged to separate the interior of the gas distribution cylinder into three parts, namely a raw material fluorine-nitrogen mixed gas storage chamber, a mixing preparation chamber and a nitrogen storage chamber from top to bottom, so that the raw material storage and the finished product fluorine-nitrogen mixed gas preparation work are facilitated.

2: through setting up gas transmission pump and gas-supply pipe, two gas transmission pumps that are located raw materials fluorine nitrogen mist locker room and nitrogen gas locker room start respectively and can pour into raw materials fluorine nitrogen mist and nitrogen gas respectively to the mixed preparation indoor through two gas-supply pipes, can accomplish the preparation work of finished product fluorine nitrogen mist.

3: through setting up the separation disc, when gas transmission pump work carried out the gas transmission, the gas in the gas transmission pipe can push away the removal stopper in the separation disc promptly to accomplish gaseous transmission, after gaseous transmission finishes, remove the stopper and can reset under reset spring's effect promptly, can seal the intercommunicating pore, make gaseous can not take place to flow back.

4: through setting up detection mechanism, when gaseous through the separation dish, can get into the mixture through last gas pocket in the last gas dish promptly and prepare indoorly, gaseous can contact and drive pick-up plate and live-rollers rotation with the pick-up plate in the detection mechanism when going up the gas pocket, and flow detector can calculate the flow that gaseous passes through promptly this moment, the gaseous injection content of control that can be accurate.

5: through setting up mixing mechanism, all pour into to the indoor back that finishes of preparing of mixed configuration when raw materials fluorine nitrogen gas mixture and nitrogen gas, can start the servo motor in the mixing mechanism and drive a plurality of mixed leaves and rotate, mixed leaf rotates and can carry out rotatory stirring to the indoor two kinds of gas of mixed configuration promptly, makes the two can be quick, abundant mixing.

To sum up, the utility model discloses can carry out accurate detection and control to the injected flow of raw materials fluorine nitrogen gas mixture and nitrogen gas, make the concentration of finished product fluorine nitrogen gas mixture more accurate, and can not take place backward flow phenomenon after gaseous injection is accomplished, distribution concentration is accurate, efficient, comparatively safe.

Drawings

The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of an automatic distribution device for a fluorine-nitrogen mixture provided by the present invention;

FIG. 2 is a sectional view showing an inner structure of the gas cartridge of FIG. 1;

FIG. 3 is an enlarged view of the gas delivery pipe of FIG. 2;

fig. 4 is a sectional view of the internal structure of fig. 3.

In the figure: the device comprises a gas distribution cylinder 1, a gas outlet pipe 2, a gas supplementing pipe 3, an upper partition plate 4, a lower partition plate 5, a gas transmission pump 6, a gas transmission pipe 7, a servo motor 8, a rotating rod 9, a mixing blade 10, a flow detector 11, a detection plate 12, an upper gas hole 13, an upper gas plate 14, a partition plate 15, a communication hole 16, a return spring 17, a movable plug 18 and a sealing plate 19.

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.

Referring to fig. 1-4, an automatic gas distribution device for fluorine-nitrogen mixture comprises a gas distribution cylinder 1, wherein an upper partition plate 4 and a lower partition plate 5 are fixedly installed in the gas distribution cylinder 1, a gas guide mechanism is installed in the gas distribution cylinder 1, two gas transmission pumps 6 are fixedly installed in the gas distribution cylinder 1, gas transmission pipes 7 are fixedly installed between gas transmission ends of the two gas transmission pumps 6 and the corresponding upper partition plate 4 and lower partition plate 5, blocking plates 15 are fixedly installed in the two gas transmission pipes 7, moving plugs 18 are slidably installed on the two blocking plates 15 through communication holes 16, a plurality of reset springs 17 are fixedly installed between each moving plug 18 and the corresponding communication hole 16, a detection mechanism is installed in each gas transmission pipe 7, and a mixing mechanism is installed in the gas distribution cylinder 1;

the following points are notable:

1. the upper partition plate 4 and the lower partition plate 5 divide the interior of the gas distribution cylinder 1 into three parts, namely a raw material fluorine-nitrogen mixed gas storage chamber, a mixing preparation chamber and a nitrogen storage chamber from top to bottom, so that the storage of raw materials and the preparation of finished fluorine-nitrogen mixed gas are facilitated.

2. Two gas transmission pumps 6 in the raw material fluorine nitrogen mixture storage chamber and the nitrogen storage chamber are respectively started, namely, the raw material fluorine nitrogen mixture and the nitrogen are respectively injected into the mixing preparation chamber through two gas transmission pipes 7, and the preparation work of the finished product fluorine nitrogen mixture can be completed.

3. When the gas transmission pump 6 works to transmit gas, the gas in the gas transmission pipe 7 can push the movable plug 18 in the separation disc 15 open, so that the gas transmission is completed, after the gas transmission is completed, the movable plug 18 can reset under the action of the reset spring 17, the communicating hole 16 can be closed, and the gas can not flow back.

4. Every moves and all fixedly mounted on the stopper 18 and seals dish 19, and the lower part of every sealed dish 19 all fixedly mounted have with corresponding intercommunicating pore 16 matched with rubber sealing plug, when removing stopper 18 and reseing, sealed dish 19 can reseed along with removing stopper 18 and make the rubber sealing plug block on it to the intercommunicating pore 16 in, can carry out the separation to intercommunicating pore 16 and seal, further prevent that gaseous emergence from backflowing.

5. The detection mechanism includes flow detector 11 of fixed mounting in gas-supply pipe 7, go up gas dish 14, flow detector 11 is last to rotate through the live-rollers and is installed two pick-up plates 12, and go up and set up gas hole 13 with two pick-up plate 12 matched with on the gas dish 14, when gaseous through the separation dish 15, can get into the mixture through last gas hole 13 in the gas dish 14 promptly and prepare indoor, gaseous can contact with the pick-up plate 12 in the detection mechanism and drive pick-up plate 12 and live-rollers rotation when going through gas hole 13, flow detector 11 can calculate the flow that gaseous passes through this moment promptly, the gaseous injection content of control that can be accurate.

6. The gas guide mechanism comprises two gas supply pipes 3 fixedly installed on the gas distribution cylinder 1, the two gas supply pipes 3 are respectively located at the upper part of the upper partition plate 4 and the lower part of the lower partition plate 5, a gas outlet pipe 2 is fixedly installed in the gas distribution cylinder 1, the gas outlet pipe 2 is located between the upper partition plate 4 and the lower partition plate 5, the two gas supply pipes 3 are used for supplying raw material fluorine-nitrogen mixed gas and nitrogen gas, and the gas outlet pipe 2 is used for leading out mixed finished product fluorine-nitrogen mixed gas.

7. Mixing mechanism includes servo motor 8 of fixed mounting in the gas distribution cylinder 1, fixed mounting has bull stick 9 on servo motor 8's the drive end, and fixed mounting has a plurality of mixed leaves 10 on the bull stick 9, all pour into to the indoor back of finishing of preparing of hybrid configuration when raw materials fluorine nitrogen gas mixture and nitrogen gas, can start servo motor 8 and drive a plurality of mixed leaves 10 and rotate, mixed leaf 10 rotates and can carry out rotatory stirring to the indoor two kinds of gas of hybrid configuration promptly, make the two can be quick, abundant mixing.

8. A concentration detector is fixedly arranged in the gas distribution cylinder 1 and is positioned between the upper partition plate 4 and the lower partition plate 5, and the concentration detector can detect the concentration of the finished product fluorine-nitrogen mixed gas in the mixing and configuration chamber so as to judge whether the finished product fluorine-nitrogen mixed gas in the mixing and configuration chamber is thoroughly stirred and uniformly mixed.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic gas distribution device of a fluorine-nitrogen mixture comprises a gas distribution cylinder (1) and is characterized in that, an upper partition plate (4) and a lower partition plate (5) are fixedly arranged in the air distribution cylinder (1), the air distribution cylinder (1) is provided with an air guide mechanism, two air transmission pumps (6) are fixedly arranged in the air distribution cylinder (1), gas conveying pipes (7) are fixedly arranged between the gas conveying ends of the two gas conveying pumps (6) and the corresponding upper partition plate (4) and the corresponding lower partition plate (5), blocking plates (15) are fixedly arranged in the two gas conveying pipes (7), moving plugs (18) are slidably arranged on the two blocking plates (15) through communicating holes (16), and a plurality of reset springs (17) are fixedly mounted between each movable plug (18) and the corresponding communication hole (16), each detection mechanism is mounted in the gas conveying pipe (7), and a blending mechanism is mounted in the gas distribution pipe (1).

2. The automatic gas distribution device for the mixed gas of fluorine and nitrogen as claimed in claim 1, characterized in that each moving plug (18) is fixedly provided with a sealing disc (19), and the lower part of each sealing disc (19) is fixedly provided with a rubber sealing plug matched with the corresponding communication hole (16).

3. The automatic gas distribution device for the fluorine-nitrogen mixture as claimed in claim 1, wherein the gas guide mechanism comprises two gas supply pipes (3) fixedly arranged on the gas distribution cylinder (1), the two gas supply pipes (3) are respectively arranged at the upper part of the upper partition plate (4) and the lower part of the lower partition plate (5), the gas distribution cylinder (1) is fixedly provided with the gas outlet pipe (2), and the gas outlet pipe (2) is arranged between the upper partition plate (4) and the lower partition plate (5).

4. The automatic distribution device of the mixed gas of fluorine and nitrogen as claimed in claim 1, characterized in that the detection mechanism comprises a flow detector (11) fixedly installed in the gas transmission pipe (7) and an upper gas disc (14), two detection plates (12) are rotatably installed on the flow detector (11) through a rotating roller, and an upper gas hole (13) matched with the two detection plates (12) is formed in the upper gas disc (14).

5. The automatic gas distribution device for the fluorine-nitrogen mixture as claimed in claim 1, wherein the mixing mechanism comprises a servo motor (8) fixedly installed in the gas distribution cylinder (1), a rotating rod (9) is fixedly installed on a driving end of the servo motor (8), and a plurality of mixing blades (10) are fixedly installed on the rotating rod (9).

6. The automatic gas distribution device for the fluorine-nitrogen mixture as claimed in claim 1, characterized in that a concentration detector is fixedly arranged in the gas distribution cylinder (1), and the concentration detector is positioned between the upper partition plate (4) and the lower partition plate (5).