CN216321843U

CN216321843U - Device for converting nitrogen dioxide into nitric oxide

Info

Publication number: CN216321843U
Application number: CN202122991318.9U
Authority: CN
Inventors: 刘富栋; 张伟; 袁东辉
Original assignee: Qingdao Laoshan Electronic Instrument Factory Co ltd
Current assignee: Qingdao Laoshan Electronic Instrument Factory Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-19
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a device for converting nitrogen dioxide into nitric oxide, and relates to the technical field of chemistry. The device comprises a drying component, a reaction tank, a heating component and a collecting pipe, wherein one end of the reaction tank is sleeved with the drying component, the other end of the reaction tank is sleeved with the collecting pipe, the reaction tank is supported on the heating component, the drying component comprises a drying pipe and a fixed base, the drying pipe is in threaded connection with the fixed base, the heating component comprises a supporting plate, a control part and a heating part, the control part is fixedly connected to the supporting plate, and the control part is electrically connected with the heating part. According to the utility model, by arranging the drying component and the heating component, when gas is introduced, the drying pipe can remove moisture in the gas, so that the output of nitric oxide is increased, when the nitrogen dioxide is heated, the nitrogen dioxide is decomposed into nitric oxide and oxygen, the heated copper wire can react with the generated oxygen, redundant oxygen is consumed, the nitric oxide without impurities can be obtained, and the method is very convenient.

Description

Device for converting nitrogen dioxide into nitric oxide

Technical Field

The utility model belongs to the technical field of chemistry, and particularly relates to a device for converting nitrogen dioxide into nitric oxide.

Background

The device for converting nitrogen dioxide into nitric oxide is a device which can convert nitrogen dioxide into nitric oxide and is applied to the chemical industry, and although the existing device can convert nitrogen dioxide into nitric oxide when in use, the device still has the defects in the actual use process.

The prior published literature, CN210385488U, a catalytic reaction apparatus for converting nitrogen dioxide into nitric oxide, discloses a reaction chamber, partition plates, heating devices, a gas-guide tube, a molybdenum metal catalytic mesh, heat dissipation fins and a control circuit, wherein at least one partition plate is arranged in the reaction chamber, the reaction chamber is divided into a control chamber and a reaction chamber by the partition plates, the gas-guide tube is arranged in the reaction chamber and comprises a spiral reaction tube section, a gas-inlet tube section and a gas-outlet tube section, the outer surfaces of the gas-inlet tube section and the gas-outlet tube section are connected by the heat dissipation fins, at least three heating devices are arranged at the position of the axis of the spiral tube section of the gas-guide tube, the rest heating devices are uniformly distributed on the inner surface of the reaction chamber around the axis of the reaction chamber, the molybdenum metal catalytic mesh is embedded in the spiral reaction tube section, and the control circuit is arranged in the control chamber. Although the existing integration degree of equipment can be improved during use, the universality and the flexibility of equipment operation are improved, when mixed gas is introduced, air is not dried, nitrogen dioxide can be consumed in a reaction cavity, the yield of generated nitric oxide can be reduced, and when the gas is detected, oxygen exists in the reacted gas, so that the detection result can be influenced.

Therefore, the existing device for converting nitrogen dioxide into nitric oxide has poor practicability and cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for converting nitrogen dioxide into nitric oxide, which can dry gas and remove oxygen in reaction by arranging a drying component and a heating component, and solves the problems of insufficient purity and volume of the existing nitric oxide obtained in use.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a device for converting nitrogen dioxide into nitric oxide, which comprises a drying component, a reaction tank, a heating component and a collecting pipe, wherein one end of the reaction tank is sleeved with the drying component, the other end of the reaction tank is sleeved with the collecting pipe, the heating component supports the reaction tank, the drying component comprises a drying pipe and a fixed base, the drying pipe is in threaded connection with the fixed base, the heating component comprises a supporting plate, a control part and a heating part, the control part is fixedly connected to the supporting plate, and the control part is electrically connected with the heating part.

Further, the drying tube is filled with a drying agent, the lower portion of the drying tube is fixedly connected with an air inlet tube, the upper portion of the drying tube is fixedly connected with an air outlet tube, the drying tube is connected to the fixing base in a threaded mode, and the drying tube can be detached to replace the drying agent when the drying agent fails.

Further, the rubber sleeve has all been cup jointed at the both ends of retort, the spread groove has been seted up to the bottom of retort, the jar body of retort is transparent structure, through setting up transparent structure, can observe gaseous colour change in the reaction.

Furthermore, a support frame is fixedly connected to the support plate, and a reaction tank is connected to the support frame.

Further, the heating part comprises a sealing plate and a copper wire, the two ends of the copper wire are fixed on a supporting rod on the sealing plate, the two ends of the copper wire are electrically connected with the control part through a wire, the sealing plate is fixed on a connecting groove of the reaction tank through screws, and by means of the copper wire, when nitrogen dioxide is introduced, the nitrogen dioxide can be heated, and oxygen generated can be absorbed.

Further, the outer wall of the collecting pipe is spirally wound with a cold water pipe, the tail part of the collecting pipe is inserted into the collecting bottle, and the cold water pipe is arranged to be used for cooling the generated nitric oxide.

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the drying component, when gas is introduced, the gas can move upwards from the bottom of the drying pipe, and under the action of the drying agent, moisture in the gas can be removed, so that the output of nitric oxide is increased, and the problem that when nitrogen dioxide is converted into nitric oxide, part of nitrogen dioxide reacts with water to generate other products is solved.

2. According to the utility model, by arranging the heating assembly, when the nitrogen dioxide is heated, the nitrogen dioxide is decomposed into the nitrogen monoxide and the oxygen, the heated copper wire can react with the generated oxygen, the redundant oxygen is consumed, and the nitrogen monoxide gas without the nitrogen dioxide can be obtained, so that the heating device is very convenient, and the problem that the nitrogen monoxide can react with the oxygen to generate the nitrogen dioxide again when the nitrogen monoxide is collected is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic diagram of an apparatus for converting nitrogen dioxide to nitric oxide;

FIG. 2 is a schematic view of the drying assembly of the present invention;

FIG. 3 is a schematic view of the connection between the reaction tank and the heating assembly according to the present invention;

fig. 4 is a schematic structural view of a heating part according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a drying assembly; 11. a drying tube; 12. a fixed base; 2. a reaction tank; 3. a heating assembly; 31. a support plate; 311. a support frame; 32. a control unit; 33. a heating section; 331. a sealing plate; 332. a copper wire; 4. and collecting the tubes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention is a device for converting nitrogen dioxide into nitric oxide, which comprises a drying component 1, a reaction tank 2, a heating component 3 and a collecting pipe 4, wherein one end of the reaction tank 2 is sleeved with the drying component 1, the other end of the reaction tank 2 is sleeved with the collecting pipe 4, and the heating component 3 supports the reaction tank 2.

As shown in fig. 1-2, the drying assembly 1 includes a drying tube 11 and a fixed base 12, the drying tube 11 is screwed on the fixed base 12, a drying agent is filled in the drying tube 11, an air inlet tube is fixedly connected to the lower portion of the drying tube 11, and an air outlet tube is fixedly connected to the upper portion of the drying tube 11, when the drying assembly is installed, the drying agent is firstly filled in the drying tube 11, then the drying tube 11 is connected to the fixed base 12, when mixed gas is introduced, gas can enter from the bottom of the drying tube 11, and after drying, the gas is injected into the reaction tank 2, when the drying agent fails, the drying tube 11 is rotated, so that the drying tube 11 can be separated from the fixed base 12, the drying agent is replaced, and after the replacement, the position of the drying tube 11 is restored.

As shown in fig. 1 and fig. 3-4, the heating assembly 3 includes a supporting plate 31, a control portion 32 and a heating portion 33, the control portion 32 is fixedly connected to the supporting plate 31, the control portion 32 is electrically connected to the heating portion 33, a supporting frame 311 is fixedly connected to the supporting plate 31, the supporting frame 311 is connected to the reaction tank 2, rubber sleeves are respectively sleeved at two ends of the reaction tank 2, a connecting groove is formed at the bottom of the reaction tank 2, a tank body of the reaction tank 2 is of a transparent structure, the heating portion 33 includes a sealing plate 331 and a copper wire 332, two ends of the copper wire 332 are fixed to supporting rods on the sealing plate 331, two ends of the copper wire 332 are electrically connected to the control portion 32 through a conducting wire, the sealing plate 331 is fixed to the connecting groove of the reaction tank 2 through a screw, a cold water pipe is spirally wound on an outer wall of the collecting pipe 4, a tail portion of the collecting pipe 4 is inserted into a collecting bottle, during installation, the reaction tank 2 is firstly placed on the supporting frame 311, then the drying component 1 and the collecting pipe 4 are respectively sleeved on the rubber sleeves at the two ends of the reaction tank 2, then the water pipe filled with cold water is spirally wound on the collecting pipe 4, the other end of the collecting pipe 4 is inserted into the collecting bottle, finally the sealing plate 331 of the heating part 33 is fixed in the connecting groove of the reaction tank 2, when in use, the control part 32 is firstly used for adjusting the current passing through the copper wire 332, so that the copper wire 332 generates heat when the current passes through, then when the dried gas is introduced into the reaction tank 2, the nitrogen dioxide is changed into nitric oxide and oxygen in the heating environment, when the generated oxygen touches the heated copper wire 332, the oxidation reaction is carried out with the copper wire 332 to generate copper oxide, the generated nitric oxide enters the collecting pipe 4 along with the continuous injection of the gas and is cooled, and finally, the water drainage and gas collection method is carried out, the last generated nitric oxide was collected in a collection bottle.

One specific application of this embodiment is: firstly, when the reaction tank is installed, a drying component 1 is firstly inserted on a rubber sleeve at one end of a reaction tank 2, a collecting pipe 4 is inserted on a rubber sleeve at the other end of the reaction tank 2, secondly, the reaction tank 2 is then connected on a heating component 3, thirdly, when gas is introduced, the gas is firstly dried through the drying component 1 and then enters the reaction tank 2, nitrogen dioxide is decomposed under the action of a heated copper wire 332 to generate nitric oxide and oxygen, the oxygen is consumed by the heated copper wire 332, only nitric oxide gas is generated, and finally the nitric oxide is injected into the collecting pipe 4 to be cooled and is collected in a collecting bottle.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. The utility model provides a device of nitrogen dioxide transformation nitric oxide, includes dry subassembly (1), retort (2), heating element (3) and collecting pipe (4), its characterized in that: one end of the reaction tank (2) is sleeved with the drying component (1), the other end of the reaction tank (2) is sleeved with the collecting pipe (4), and the heating component (3) supports the reaction tank (2);

the drying assembly (1) comprises a drying pipe (11) and a fixed base (12), wherein the drying pipe (11) is in threaded connection with the fixed base (12);

the heating assembly (3) comprises a supporting plate (31), a control part (32) and a heating part (33), the control part (32) is fixedly connected to the supporting plate (31), and the control part (32) is electrically connected with the heating part (33).

2. The device for converting nitrogen dioxide into nitric oxide according to claim 1, wherein the drying tube (11) is filled with a drying agent, the lower part of the drying tube (11) is fixedly connected with an air inlet tube, and the upper part of the drying tube (11) is fixedly connected with an air outlet tube.

3. The device for converting nitrogen dioxide into nitric oxide according to claim 1, wherein rubber sleeves are sleeved at both ends of the reaction tank (2), a connecting groove is formed in the bottom of the reaction tank (2), and a tank body of the reaction tank (2) is of a transparent structure.

4. The device for converting nitrogen dioxide into nitric oxide according to claim 1, wherein a support frame (311) is fixedly connected to the support plate (31), and the reaction tank (2) is connected to the support frame (311).

5. The device for converting nitrogen dioxide into nitric oxide according to claim 1, wherein the heating unit (33) comprises a sealing plate (331) and a copper wire (332), two ends of the copper wire (332) are fixed on support rods of the sealing plate (331), two ends of the copper wire (332) are electrically connected with the control unit (32) through wires, and the sealing plate (331) is fixed on a connecting groove of the reaction tank (2) through screws.

6. The device for converting nitrogen dioxide into nitric oxide according to claim 1, wherein the outer wall of the collecting tube (4) is spirally wound with a cold water tube, and the tail part of the collecting tube (4) is inserted into a collecting bottle.