CN215428221U - Nitrogen oxide waste gas treatment device - Google Patents
Nitrogen oxide waste gas treatment device Download PDFInfo
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- CN215428221U CN215428221U CN202120487358.7U CN202120487358U CN215428221U CN 215428221 U CN215428221 U CN 215428221U CN 202120487358 U CN202120487358 U CN 202120487358U CN 215428221 U CN215428221 U CN 215428221U
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- waste gas
- exhaust gas
- treatment device
- nitrogen oxide
- gas treatment
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Abstract
The utility model discloses a nitrogen oxide waste gas treatment device, which comprises: a device body, in which a catalyst is arranged for catalyzing nitrogen oxides; the waste gas inlet pipe is communicated with the device main body, and a diatomite adsorption block is arranged in the waste gas inlet pipe and is used for adsorbing soot introduced into waste gas; and the waste gas outlet pipe is communicated with the device main body, and the outer pipe wall of the waste gas outlet pipe is provided with a temperature sensor which is used for detecting the temperature of the discharged tail gas. According to the utility model, the diatomite adsorption block is arranged in the waste gas inlet pipe, so that waste gas can be adsorbed and filtered once, the phenomenon of carbon deposition on the surface of the catalyst is avoided, and meanwhile, the temperature sensor is arranged on the waste gas outlet pipe and is used for detecting the temperature of the discharged waste gas, so that whether the waste gas treatment device breaks down or not can be judged, and the failed catalyst can be treated in time.
Description
Technical Field
The utility model relates to the field of waste gas purification devices, in particular to a nitrogen oxide waste gas treatment device.
Background
The nitrogen oxide waste gas treatment device is a device for carrying out reaction treatment on nitrogen oxide in waste gas, can well prevent the environment and human body from being influenced due to the occurrence of the nitrogen oxide waste gas treatment device, and has the advantages of simple structure and good treatment effect; however, under the condition of low temperature, the catalytic efficiency of the internal catalyst becomes low and even loses, soot in the exhaust gas can be attached to the surface of the catalyst to form carbon deposition, so that the catalyst cannot be contacted with the nitrogen hydride, pores of the catalyst can be blocked for a long time, the conversion efficiency of the catalyst is influenced, and certain disadvantages exist.
SUMMERY OF THE UTILITY MODEL
In order to solve or partially solve the above technical problems, the present invention provides a nitrogen oxide exhaust gas treatment device, including: a device body, in which a catalyst is arranged for catalyzing nitrogen oxides; the waste gas inlet pipe is communicated with the device main body, and a diatomite adsorption block is arranged in the waste gas inlet pipe and is used for adsorbing soot introduced into waste gas; and the waste gas outlet pipe is communicated with the device main body, and the outer pipe wall of the waste gas outlet pipe is provided with a temperature sensor which is used for detecting the temperature of the discharged tail gas.
In some embodiments, the diatomite adsorption block is detachably fixed inside the exhaust gas inlet pipe.
In some embodiments, the diatomaceous earth absorbent block has a honeycomb-like pore structure in cross section.
In some embodiments, the exhaust gas outlet pipe is provided with a limiting ring at the periphery thereof for fixing the electric wire of the temperature sensor to prevent the electric wire from shaking.
In some embodiments, the stop collar further comprises a fixing portion for connecting with the outside to fix the position of the stop collar.
In some embodiments, the fixing portion is a support rod, and the support rod is provided with a limiting collar.
In some embodiments, the limiting ferrule is provided with a finishing opening for placing the electric wire.
In some embodiments, the stop ring includes an annular body and a plurality of adjusting and fixing screws, and the adjusting and fixing screws can be telescopically arranged on the periphery of the annular body.
In some embodiments, the exhaust system further comprises a movable adjustment mounting head for connecting the exhaust gas outlet pipe with the external pipeline, comprising: the mounting connecting part is used for connecting with an external pipeline; a fixed mounting part for connecting with the waste gas outlet pipe; wherein, the fixed installation can be rotationally sleeved with the installation connecting part.
In some embodiments, a limiting anti-drop sealing block is arranged between the movable adjusting mounting head and the exhaust gas outlet pipe.
According to the utility model, the diatomite adsorption block is arranged in the waste gas inlet pipe, so that waste gas can be adsorbed and filtered once, the phenomenon of carbon deposition on the surface of the catalyst is avoided, and meanwhile, the temperature sensor is arranged on the waste gas outlet pipe and is used for detecting the temperature of the discharged waste gas, so that whether the waste gas treatment device breaks down or not can be judged, and the failed catalyst can be treated in time.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a diatomite absorption block in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a stop collar according to an embodiment of the utility model.
Fig. 4 is a schematic structural diagram of a movable adjusting mounting head according to an embodiment of the utility model.
Symbolic illustration in the drawings:
1 a device body;
2, a catalyst;
3, a temperature sensor;
4, movably mounting a connecting disc;
5, an exhaust gas inlet pipe;
6, lining;
7, an exhaust gas outlet pipe;
8, a limiting ring;
9, adsorbing the diatomite;
10, limiting a ferrule;
11 supporting rods;
12 adjusting the fixing screw;
13 movably adjusting the mounting head;
14 secure mounting nuts.
Detailed Description
The technical features of the present invention are further described by the following embodiments in conjunction with the accompanying drawings:
the present embodiment provides a nitrogen oxide exhaust gas treatment device, as shown in fig. 1 and 2, including: a device body 1, in which a catalyst 2 is provided for catalyzing nitrogen oxides; the waste gas inlet pipe 5 is communicated with the device main body 1, a diatomite adsorption block 9 is arranged in the device main body, and the diatomite adsorption block 9 is used for adsorbing soot introduced into waste gas; and the waste gas outlet pipe 7 is communicated with the device main body 1, the outer pipe wall of the waste gas outlet pipe is provided with a temperature sensor 3, and the temperature sensor 3 is used for detecting the temperature of the discharged tail gas.
According to the utility model, the diatomite adsorption block 9 is arranged in the waste gas inlet pipe 5, so that waste gas can be adsorbed and filtered once, the phenomenon of carbon deposition on the surface of the catalyst 2 is avoided, and meanwhile, the temperature sensor 3 is arranged on the waste gas outlet pipe 7 and is used for detecting the temperature of the discharged waste gas, so that whether the waste gas treatment device breaks down or not can be judged, and the failed catalyst can be treated in time.
Preferably, the diatomite adsorbing block 9 is detachably fixed inside the exhaust gas inlet pipe 7, and in this embodiment, the diatomite adsorbing block 9 is detachably fixed inside the exhaust gas inlet pipe 7 by a buckle, so as to facilitate the replacement or cleaning of the diatomite adsorbing block 9, but the utility model is not limited thereto. Preferably, the section of the diatomite adsorbing block 9 has a honeycomb-shaped pore structure, so that the diatomite adsorbing block 9 has a larger specific surface area, which is beneficial to adsorbing soot, and can reduce the resistance of the exhaust gas passing through the exhaust gas inlet pipe 5.
Preferably, a gasket 6 is provided between the inner surface of the device body 1 and the catalyst for preliminary filtering of the exhaust gases, while avoiding the catalyst being carried out of the device by the flue gases.
In this embodiment, as shown in fig. 3, a limiting ring 8 is disposed on the periphery of the exhaust gas outlet pipe 7 for fixing the electric wire of the temperature sensor 3, so as to prevent the electric wire of the temperature sensor 3 from shaking due to vibration of the exhaust gas treatment device, thereby affecting the detection result. Preferably, the position-limiting ring 8 is further provided with a fixing portion for connecting with an external device to fix the position of the position-limiting ring 8, in this embodiment, the fixing portion is a supporting rod 11, the supporting rod 11 is provided with a position-limiting ring 10, and more preferably, the position-limiting ring 10 is provided with an arranging opening for placing an electric wire of the temperature sensor 3.
The limiting ring 8 in this embodiment includes an annular body and a plurality of adjusting fixing screws 12, the adjusting fixing screws 12 can be telescopically inserted around the annular body and can be fixed in contact with the outer surface of the exhaust gas outlet pipe 7, so as to adjust the position of the limiting ring 8 on the exhaust gas outlet pipe 7 and avoid the interference of the data line of the temperature sensor 3.
The nitrogen oxide waste gas treatment device of the present invention further comprises a movable adjusting and mounting head 13 for connecting the waste gas outlet pipe 7 with an external pipeline, comprising: the mounting connecting part is used for connecting with an external pipeline; a fixed mounting part for connecting with the exhaust gas outlet pipe 7; wherein, the fixed installation part can be rotationally sleeved with the installation connecting part. In the present embodiment, as shown in fig. 1 and 4, the mounting connection portion is a movable mounting connection plate 4 having screw holes for fixed connection with an external pipe; the fixed mounting part is a fixed mounting nut 14 and is in threaded mounting connection with the exhaust gas outlet pipe 7, when the exhaust gas purifier is used, when the screw holes in the movable mounting connecting disc 4 cannot be aligned to the positions, the fixed mounting nut 14 can be loosened, and then the movable adjusting mounting head 13 is rotated, so that after the screw holes in the movable mounting connecting disc 4 are aligned to the positions, the movable adjusting mounting head 13 is tightly abutted through screwing of the fixed mounting nut 14, and convenience is brought to mounting and use of people. Preferably, a sealing block for preventing the exhaust gas from coming off is provided between the movable adjusting and mounting head 13 and the exhaust gas outlet pipe 7.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. A nitrogen oxide exhaust gas treatment device, comprising:
a device body, in which a catalyst is arranged for catalyzing nitrogen oxides;
the waste gas inlet pipe is communicated with the device main body, and a diatomite adsorption block is arranged in the waste gas inlet pipe and used for adsorbing soot introduced into waste gas;
and the waste gas outlet pipe is communicated with the device main body, and the outer pipe wall of the waste gas outlet pipe is provided with a temperature sensor which is used for detecting the temperature of the discharged tail gas.
2. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the diatomite adsorption block is detachably fixed inside the exhaust gas inlet pipe.
3. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein a cross section of the diatomaceous earth adsorption block has a honeycomb-like pore structure.
4. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein a stopper ring is provided on an outer periphery of the exhaust gas outlet pipe for fixing the electric wire of the temperature sensor to prevent the electric wire from shaking.
5. The nitrogen oxide exhaust gas treatment device according to claim 4, wherein a fixing portion is further provided on the retainer ring for connecting with an outside to fix a position of the retainer ring.
6. The nitrogen oxide exhaust gas treatment device according to claim 5, wherein the fixing portion is a support rod, and a retainer ring is provided on the support rod.
7. The nitrogen oxide exhaust gas treatment device according to claim 6, wherein the retainer ring is provided with a finishing opening for placing an electric wire.
8. The nitrogen oxide exhaust gas treatment device according to any one of claims 4 to 7, wherein the retainer ring includes an annular body and a plurality of adjusting and fixing screws, and the adjusting and fixing screws are arranged around the annular body.
9. The nitrogen oxide exhaust gas treatment device according to claim 1, further comprising a movable adjustment mounting head for connecting said exhaust gas outlet pipe to an external pipe, comprising:
the mounting connecting part is used for connecting with an external pipeline;
the fixed mounting part is used for being connected with the waste gas outlet pipe; the fixed installation part can be rotatably sleeved with the installation connecting part.
10. The nitrogen oxide exhaust gas treatment device according to claim 9, wherein a restriction retaining seal block is provided between said movable adjustment mounting head and said exhaust gas outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487358.7U CN215428221U (en) | 2021-03-08 | 2021-03-08 | Nitrogen oxide waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487358.7U CN215428221U (en) | 2021-03-08 | 2021-03-08 | Nitrogen oxide waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215428221U true CN215428221U (en) | 2022-01-07 |
Family
ID=79702690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120487358.7U Active CN215428221U (en) | 2021-03-08 | 2021-03-08 | Nitrogen oxide waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215428221U (en) |
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2021
- 2021-03-08 CN CN202120487358.7U patent/CN215428221U/en active Active
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