CN211051248U - Low-temperature gas decomposition device - Google Patents
Low-temperature gas decomposition device Download PDFInfo
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- CN211051248U CN211051248U CN201921669525.9U CN201921669525U CN211051248U CN 211051248 U CN211051248 U CN 211051248U CN 201921669525 U CN201921669525 U CN 201921669525U CN 211051248 U CN211051248 U CN 211051248U
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Abstract
A low-temperature gas decomposition device comprises a gas inlet pipe, a gas inlet, a large flow dividing pipe, a fixing ring, an electric heating device, a catalytic decomposition device, a branch gas inlet, an upper branch flow dividing pipe, a storage barrel, a collection box, a lower branch flow dividing pipe and a gas outlet; one end of the large shunt pipe is vertically connected with the air inlet pipe, and the other end of the large shunt pipe is connected with the fixed ring; the lower end of the fixing ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the periphery of the collecting box is connected with the lower branch flow dividing pipe, and the lower end of the collecting box is connected with the air outlet. The utility model overcomes former equipment is huge, and the operation is vexed and locked, and the expense is great, and decomposition rate and the not enough problem of stability have simple structure, convenient operation, and the controlled heating temperature of being convenient for, heat time improve the characteristics of decomposition rate and stability.
Description
Technical Field
The utility model belongs to the technical field of the processing of nitrogen oxide waste gas, a low temperature gas decomposition device is related to.
Background
Nitrogen oxide is a poisonous and harmful gas with strong corrosivity, and the chemical reaction with nitro compound and nitric acid can generate harmful gas containing nitrogen oxide, which seriously harms the environment and the health of people and livestock. High-concentration nitrogen oxides generated in industry are generally leached and absorbed by an alkaline solution method or a reducing agent solution, but are not thorough, and secondary pollution is generated. The latest coke reduction method has good treatment effect, but has the disadvantages of huge equipment, complicated operation and higher cost, and a large amount of catalyst is used for the consumption of the self-oxidation reaction.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a low-temperature gas decomposition device which has simple structure, one end of a large shunt pipe is vertically connected with an air inlet pipe, and the other end is connected with a fixed ring; the lower end of the fixed ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the collecting box is connected with the lower branch flow dividing pipe at the periphery, and the lower end is connected with the gas outlet, so that the operation is convenient, the heating temperature and the heating time are convenient to control, and the decomposition rate and the stability are improved.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a low-temperature gas decomposition device comprises a gas inlet pipe, a gas inlet, a large flow dividing pipe, a fixing ring, an electric heating device, a catalytic decomposition device, a branch gas inlet, an upper branch flow dividing pipe, a storage barrel, a collection box, a lower branch flow dividing pipe and a gas outlet; one end of the large flow dividing pipe is vertically connected with the air inlet pipe, and the other end of the large flow dividing pipe is connected with the fixed ring; the lower end of the fixed ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the collecting box is connected with the lower branch flow dividing pipe at the periphery, and the lower end is connected with the air outlet.
The material of the fixing ring shell is stainless steel, and an electric heating device is arranged in the fixing ring shell.
The air inlet is positioned at the lower end of the air inlet pipe.
The large shunt pipes are radially distributed into six hollow structures by taking the air inlet pipe as the center; the upper branch shunt pipe and the lower branch shunt pipe are all 12 hollow structures which are arranged in a radial shape.
The catalytic decomposition device is provided with a circulating conductive liquid.
The containing barrel is vertically connected with the upper branch shunt pipe and the lower branch shunt pipe.
The collecting box is positioned above the air outlet.
Six air outlets are provided, and openings of the air outlets face downwards.
The upper end of the fixed column is connected with the catalytic decomposition device, and the lower end of the fixed column is connected with the collection box.
A low-temperature gas decomposition device comprises a gas inlet pipe, a gas inlet, a large flow dividing pipe, a fixing ring, an electric heating device, a catalytic decomposition device, a branch gas inlet, an upper branch flow dividing pipe, a storage barrel, a collection box, a lower branch flow dividing pipe and a gas outlet; one end of the large flow dividing pipe is vertically connected with the air inlet pipe, and the other end of the large flow dividing pipe is connected with the fixed ring; the lower end of the fixed ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the collecting box is connected with the lower branch flow dividing pipe at the periphery, and the lower end is connected with the air outlet. The structure is simple, one end of the large flow dividing pipe is vertically connected with the air inlet pipe, and the other end of the large flow dividing pipe is connected with the fixed ring; the lower end of the fixing ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the periphery of the collecting box is connected with the lower branch flow dividing pipe, and the lower end of the collecting box is connected with the gas outlet, so that the operation is convenient, the heating temperature and the heating time are convenient to control, and the decomposition rate and the stability are improved.
In a preferred scheme, the material of the fixing ring shell is stainless steel, and an electric heating device is arranged in the fixing ring shell. Simple structure, during the use, electric heater unit is convenient for catalytic reaction's control including the controlling means of heating temperature, heat time. The generated high-concentration nitrogen oxide waste gas can be subjected to non-toxic treatment.
In a preferred arrangement, the air inlet is located at the lower end of the air inlet conduit. The structure is simple, and the device is mainly used for connecting the nitrogen oxide waste gas when in use.
In the preferred scheme, the large shunt pipes are radially distributed into six hollow structures by taking the air inlet pipe as the center; the upper branch shunt pipe and the lower branch shunt pipe are all 12 hollow structures which are arranged in a radial shape. Simple structure, during the installation, big shunt tubes are connected with the retainer plate inboard to evenly distributed. The upper branch shunt tubes and the lower branch shunt tubes are connected with the containing barrel and are uniformly distributed. The structure is stable, and the operation is convenient.
In a preferred scheme, the catalytic decomposition device is provided with a circulating conductive liquid. Simple structure, during the use, the effect to the decomposition device cooling can be played to the circulation conducting liquid, can effectively avoid the temperature to rise, improves the decomposition rate.
In a preferred embodiment, the receiving barrel is vertically connected to the upper branch shunt tube and the lower branch shunt tube. Simple structure, during the use, the cavity seals the tube-shape material, compares porous material, has effectively avoided gaseous absorption inside the pore, makes whole gaseous homoenergetic receive the effect, improves its decomposition rate greatly.
In a preferred embodiment, the collection box is located above the air outlet. Simple structure, during the use, collect catalytic reaction product, be convenient for in time clear up the back.
In a preferred embodiment, the number of the air outlets is six and the openings are downward. The structure is simple, when in use, the catalytic reaction product is changed into colorless gas, and the colorless gas is decomposed into nontoxic and harmless gas and is discharged from a waste gas outlet.
In the preferred scheme, the upper end of the fixed column is connected with the catalytic decomposition device, and the lower end of the fixed column is connected with the collection box. Simple structure, during the use, play the effect of supporting and fixed whole device, improve its stability.
A low-temperature gas decomposition device comprises a gas inlet pipe, a gas inlet, a large flow dividing pipe, a fixing ring, an electric heating device, a catalytic decomposition device, a branch gas inlet, an upper branch flow dividing pipe, a storage barrel, a collection box, a lower branch flow dividing pipe and a gas outlet; one end of the large shunt pipe is vertically connected with the air inlet pipe, and the other end of the large shunt pipe is connected with the fixed ring; the lower end of the fixing ring is connected with the branch air inlet; the upper end of the catalytic decomposition device is connected with the branch air inlet, and the periphery of the catalytic decomposition device is connected with the upper branch flow dividing pipe; one side of the upper end of the containing barrel is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe; the periphery of the collecting box is connected with the lower branch flow dividing pipe, and the lower end of the collecting box is connected with the air outlet. The utility model overcomes former equipment is huge, and the operation is vexed and locked, and the expense is great, and decomposition rate and the not enough problem of stability have simple structure, convenient operation, and the controlled heating temperature of being convenient for, heat time improve the characteristics of decomposition rate and stability.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic top view of fig. 1.
Fig. 4 is a schematic cross-sectional view of fig. 1.
In the figure: the catalytic decomposition device comprises an air inlet pipe 1, an air inlet 11, a large shunt pipe 12, a fixing ring 2, a catalytic decomposition device 3, a branch air inlet 31, an upper branch shunt pipe 32, a storage barrel 33, a collection box 34, a lower branch shunt pipe 35, an air outlet 36 and a fixing column 4.
Detailed Description
As shown in fig. 1 to 4, a low-temperature gas decomposition device includes an air inlet pipe 1, an air inlet 11, a large shunt pipe 12, a fixing ring 2, an electric heating device, a catalytic decomposition device 3, a branch air inlet 31, an upper branch shunt pipe 32, a receiving barrel 33, a collecting box 34, a lower branch shunt pipe 35 and an air outlet 36; one end of the large shunt pipe 12 is vertically connected with the air inlet pipe 1, and the other end of the large shunt pipe is connected with the fixed ring 2; the lower end of the fixed ring 2 is connected with a branch air inlet 31; the upper end of the catalytic decomposition device 3 is connected with a branch air inlet 31, and the periphery is connected with an upper branch shunt pipe 32; one side of the upper end of the containing barrel 33 is connected with the upper branch shunt pipe, and one side of the lower end is connected with the lower branch shunt pipe 35; the collecting box 34 is connected with the lower branch shunt tubes at the periphery, and the lower end is connected with the air outlet. The structure is simple, one end of the large shunt pipe 12 is vertically connected with the air inlet pipe 1, and the other end of the large shunt pipe is connected with the fixed ring 2; is connected with a branch air inlet 31 through the lower end of the fixed ring 2; the upper end of the catalytic decomposition device 3 is connected with a branch air inlet 31, and the periphery is connected with an upper branch shunt pipe 32; one side of the upper end of the containing barrel 33 is connected with the upper branch shunt pipe, and one side of the lower end is connected with the lower branch shunt pipe 35; the periphery of the collecting box 34 is connected with the lower branch flow dividing pipe, and the lower end of the collecting box is connected with the air outlet, so that the operation is convenient, the heating temperature and the heating time are convenient to control, and the decomposition rate and the stability are improved.
In the preferred scheme, the shell of the fixing ring 2 is made of stainless steel, and an electric heating device is arranged in the shell. Simple structure, during the use, electric heater unit is convenient for catalytic reaction's control including the controlling means of heating temperature, heat time. The generated high-concentration nitrogen oxide waste gas can be subjected to non-toxic treatment.
In a preferred embodiment, the air inlet 11 is located at the lower end of the air inlet pipe 1. The structure is simple, and the device is mainly used for connecting the nitrogen oxide waste gas when in use.
In a preferred scheme, the large shunt tubes 12 are radially distributed into six hollow structures by taking the air inlet pipe 1 as a center; the upper branch shunt tubes 32 and the lower branch shunt tubes 35 are each 12 hollow structures arranged radially. Simple structure, during installation, the big shunt tubes 12 are connected with the inner side of the fixed ring 2 and are evenly distributed. Upper branch manifold 32 and lower branch manifold 35 are connected to receiver 33 and are also evenly distributed. The structure is stable, and the operation is convenient.
In a preferred scheme, the catalytic decomposition device 3 is provided with a circulating conductive liquid. Simple structure, during the use, the effect to the decomposition device cooling can be played to the circulation conducting liquid, can effectively avoid the temperature to rise, improves the decomposition rate.
In a preferred embodiment, the receiving barrel 33 is vertically connected to the upper branch pipe 32 and the lower branch pipe 35. Simple structure, during the use, the cavity seals the tube-shape material, compares porous material, has effectively avoided gaseous absorption inside the pore, makes whole gaseous homoenergetic receive the effect, improves its decomposition rate greatly.
In the preferred embodiment, the collection tank 34 is located above the air outlet 36. Simple structure, during the use, collect catalytic reaction product, be convenient for in time clear up the back.
In a preferred embodiment, the number of the air outlets 36 is six, and the openings of the air outlets are downward. Simple structure, when in use, the catalytic reaction product is changed into colorless gas, and is decomposed into nontoxic and harmless gas which is discharged from the waste gas outlet 36.
In a preferred scheme, the upper end of the fixed column 4 is connected with the catalytic decomposition device 3, and the lower end of the fixed column is connected with the collection box 34. Simple structure, during the use, play the effect of supporting and fixed whole device, improve its stability.
When the low-temperature gas decomposition device is installed and used, one end of the large shunt pipe 12 is vertically connected with the gas inlet pipe 1, and the other end of the large shunt pipe is connected with the fixing ring 2; the lower end of the fixed ring 2 is connected with a branch air inlet 31; the upper end of the catalytic decomposition device 3 is connected with a branch air inlet 31, and the periphery is connected with an upper branch shunt pipe 32; one side of the upper end of the containing barrel 33 is connected with the upper branch shunt pipe, and one side of the lower end is connected with the lower branch shunt pipe 35; the collecting box 34 is connected with the lower branch flow dividing pipe at the periphery, and the lower end is connected with the air outlet, so that the operation is convenient, the heating temperature and the heating time are convenient to control, and the decomposition rate and the stability are improved.
When the electric heating device is used, the electric heating device comprises a control device for heating temperature and heating time, so that the catalytic reaction is conveniently controlled. The generated high-concentration nitrogen oxide waste gas can be subjected to non-toxic treatment.
When in use, the nitrogen oxide waste gas is mainly connected with the inlet of the nitrogen oxide waste gas.
When the device is installed, the large shunt tubes 12 are connected with the inner side of the fixed ring 2 and are uniformly distributed. Upper branch manifold 32 and lower branch manifold 35 are connected to receiver 33 and are also evenly distributed. The structure is stable, and the operation is convenient.
When the device is used, the circulating conducting liquid can play a role in cooling the decomposition device, so that the temperature rise can be effectively avoided, and the decomposition rate is improved.
When the hollow closed cylindrical material is used, compared with a porous material, the hollow closed cylindrical material effectively avoids the adsorption of gas in the pore canal, enables all gas to be acted and greatly improves the decomposition rate.
When in use, the catalytic reaction product is collected, so that the catalytic reaction product is convenient to clean in time.
When in use, the catalytic reaction product is changed into colorless gas, and is decomposed into non-toxic and harmless gas which is discharged from the waste gas outlet 36.
When in use, the device plays a role in supporting and fixing the whole device, and improves the stability of the device.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (9)
1. A low-temperature gas decomposition device is characterized in that: the device comprises an air inlet pipe (1), an air inlet (11), a large shunt pipe (12), a fixing ring (2), an electric heating device, a catalytic decomposition device (3), a branch air inlet (31), an upper branch shunt pipe (32), a storage barrel (33), a collection box (34), a lower branch shunt pipe (35) and an air outlet (36); one end of the large shunt pipe (12) is vertically connected with the air inlet pipe (1), and the other end of the large shunt pipe is connected with the fixed ring (2); the lower end of the fixed ring (2) is connected with the branch air inlet (31); the upper end of the catalytic decomposition device (3) is connected with a branch air inlet (31), and the periphery of the catalytic decomposition device is connected with an upper branch shunt pipe (32); one side of the upper end of the containing barrel (33) is connected with the upper branch flow dividing pipe, and one side of the lower end of the containing barrel is connected with the lower branch flow dividing pipe (35); the collecting box (34) is connected with the lower branch shunt pipe at the periphery and the lower end is connected with the air outlet.
2. The cryogenic gas decomposition device of claim 1, wherein: the shell of the fixing ring (2) is made of stainless steel and is internally provided with an electric heating device.
3. The cryogenic gas decomposition device of claim 1, wherein: the air inlet (11) is positioned at the lower end of the air inlet pipe (1).
4. The cryogenic gas decomposition device of claim 1, wherein: the large shunt pipes (12) are radially distributed into six hollow structures by taking the air inlet pipe (1) as the center; the upper branch shunt pipe (32) and the lower branch shunt pipe (35) are all in a hollow structure with 12 radially arranged branches.
5. The cryogenic gas decomposition device of claim 1, wherein: the catalytic decomposition device (3) is provided with a circulating conductive liquid.
6. The cryogenic gas decomposition device of claim 1, wherein: the containing barrel (33) is vertically connected with the upper branch shunt pipe (32) and the lower branch shunt pipe (35).
7. The cryogenic gas decomposition device of claim 1, wherein: the collection box (34) is located above the air outlet (36).
8. The cryogenic gas decomposition device of claim 1, wherein: the number of the air outlets (36) is six, and the openings of the air outlets are downward.
9. The cryogenic gas decomposition device of claim 1, wherein: the catalytic decomposition device (3) is connected with the upper end of the fixed column (4), and the lower end of the catalytic decomposition device is connected with the collection box (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669525.9U CN211051248U (en) | 2019-10-08 | 2019-10-08 | Low-temperature gas decomposition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669525.9U CN211051248U (en) | 2019-10-08 | 2019-10-08 | Low-temperature gas decomposition device |
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| Publication Number | Publication Date |
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| CN211051248U true CN211051248U (en) | 2020-07-21 |
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| CN201921669525.9U Active CN211051248U (en) | 2019-10-08 | 2019-10-08 | Low-temperature gas decomposition device |
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| CN (1) | CN211051248U (en) |
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- 2019-10-08 CN CN201921669525.9U patent/CN211051248U/en active Active
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