CN220657069U - Device for replacing detection equipment in urea pyrolysis chamber - Google Patents
Device for replacing detection equipment in urea pyrolysis chamber Download PDFInfo
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- CN220657069U CN220657069U CN202322308501.3U CN202322308501U CN220657069U CN 220657069 U CN220657069 U CN 220657069U CN 202322308501 U CN202322308501 U CN 202322308501U CN 220657069 U CN220657069 U CN 220657069U
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- China
- Prior art keywords
- pyrolysis chamber
- urea pyrolysis
- air inlet
- urea
- pressure cavity
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 113
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000004202 carbamide Substances 0.000 title claims abstract description 110
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims description 11
- 238000000889 atomisation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000007921 spray Substances 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Treating Waste Gases (AREA)
Abstract
The application provides a device for urea pyrolysis chamber changes check out test set, include: mounting a fixed pipe, an injection hole, a high-pressure cavity and an air inlet interface; the installation fixing pipe is arranged on the urea pyrolysis chamber and is communicated with the urea pyrolysis chamber; the high-pressure cavity is arranged inside the installation fixing pipe; the injection hole is arranged on the side wall of the high-pressure cavity and is communicated with the inside of the installation fixing pipe; the air inlet interface is arranged on the mounting fixed pipe, and the inner side of the air inlet interface is communicated with the high-pressure cavity; the outside of the air inlet interface is connected with an air compressor. Compressed air is input to the air inlet interface through the air compressor, and then is sprayed out of the spray hole through the high-pressure cavity, so that sprayed compressed air flows into the urea pyrolysis chamber in a rapid extrusion mode, high-temperature smoke spraying in the urea pyrolysis chamber is reduced, and the problems that production efficiency is affected and resource waste is caused by changing detection equipment under the condition that the urea pyrolysis chamber stops running are solved.
Description
Technical Field
The application relates to the technical field of atmospheric pollutant treatment, in particular to a device for replacing detection equipment in a urea pyrolysis chamber.
Background
Nitrogen oxides are gaseous pollutants with great influence in atmospheric pollutants, and have great harm to human bodies, environment and ecological systems. With the increasingly stringent environmental requirements, the problem of nitrogen oxide emissions is becoming more and more of a concern.
Selective catalytic reduction (Selective Catalytic Reduction, SCR) techniques are largely divided into ammonia SCR and urea SCR. Both methods utilize ammonia to pair NO X Is used for reducing NO under the action of a catalyst X Reduced to N having no influence on the atmosphere 2 And water. The reducing agent is NH 3 . Urea processThe SCR is a device for converting urea to ammonia and then delivering the ammonia to an SCR catalyst reactor, wherein the urea is converted by injecting urea into a urea pyrolysis chamber that provides the mixing time, residence time and temperature required for urea decomposition, whereby the amino product from the urea pyrolysis chamber becomes the reductant of the SCR. When the urea pyrolysis chamber operates, high-temperature flue gas at about 600 ℃ is introduced into the urea pyrolysis chamber through a high-pressure fan not less than 10Kpa, and urea solution entering from an atomization nozzle is decomposed in the urea pyrolysis chamber by the high-temperature flue gas so as to generate a reducing agent of SCR. The urea pyrolysis chamber is in a high-temperature pressurized state in the operation process, and when the detection device or the atomizing nozzle is required to be disassembled in the equipment operation process, high-temperature flue gas in the urea pyrolysis chamber can be sprayed out to cause accidents such as burn. In order to reduce the occurrence of safety accidents, equipment such as a temperature measuring device, a urea solution atomizing device and the like which are installed on the urea pyrolysis chamber are required to be overhauled under the state that the urea pyrolysis chamber stops running, but the production efficiency is not only influenced, but also the waste of resources is caused.
Disclosure of Invention
The application provides a device for urea pyrolysis chamber changes check out test set to solve and change check out test set influence production efficiency and cause the problem of wasting of resources under the state of urea pyrolysis chamber stop operation.
The application provides a device for urea pyrolysis chamber changes check out test set, include: and a fixed pipe, an injection hole, a high-pressure cavity and an air inlet interface are arranged.
The installation fixing pipe is arranged on the urea pyrolysis chamber and is communicated with the urea pyrolysis chamber; the high-pressure cavity is arranged inside the installation fixing pipe; the injection hole is arranged on the side wall of the high-pressure cavity and is communicated with the inside of the installation fixing pipe; the air inlet interface is arranged on the mounting and fixing pipe, and the inner side of the air inlet interface is communicated with the high-pressure cavity; the outside of the air inlet interface is connected with an air compressor.
Compressed air is input to the air inlet interface through the air compressor, then passes through the high-pressure cavity and is sprayed out of the spray hole, so that sprayed compressed air flow rapidly extrudes air to flow into the urea pyrolysis chamber, high-temperature smoke in the urea pyrolysis chamber is reduced, and the problems that production efficiency is affected and resource waste is caused by changing detection equipment in a state that the urea pyrolysis chamber stops running are solved.
Optionally, the cross section of the injection hole is of a circular ring structure; the injection hole includes an entry side and an injection side; the inlet side is communicated with the high-pressure cavity; the ejection side is communicated with the inside of the mounting and fixing tube; the injection hole is inclined to the direction of the central axis of the installation fixing pipe.
The jet hole is used for providing dynamic-static pressure conversion of compressed air, so that the flow rate of the compressed air is far higher than that of high-temperature air in the urea pyrolysis chamber.
Optionally, the injection hole further comprises a plurality of injection nozzles, and the injection nozzles are uniformly arranged on the injection side.
The injection nozzle is used for uniformly and high-speed injecting the compressed air.
Optionally, the installation fixing tube comprises a pyrolysis chamber connecting end; the connecting end of the pyrolysis chamber is communicated with the urea pyrolysis chamber; the ejection side is arranged on one side of the high-pressure cavity away from the connecting end of the pyrolysis chamber.
The spraying side is arranged on one side, far away from the connecting end of the pyrolysis chamber, of the high-pressure cavity, so that a negative pressure area is formed at the connecting end of the pyrolysis chamber, and airflow is caused to flow into the urea pyrolysis chamber from the installation fixing pipe.
Optionally, the pyrolysis chamber connecting end is arranged on one side of the side wall of the urea pyrolysis chamber, which is close to the atomization device of the urea pyrolysis chamber.
The position of pyrolysis chamber link is close to urea pyrolysis chamber's atomizing device, be convenient for change atomizing device.
Optionally, the high-pressure cavity is of an annular structure; the center of the high-pressure cavity is positioned on the central shaft of the installation fixing pipe.
The high-pressure cavity is used for forming an annular high-pressure belt at the interface of the urea pyrolysis chamber, so that compressed air entering from the air inlet interface is uniformly distributed.
Optionally, an air inlet switch valve is arranged on the air inlet interface; the air inlet switch valve is arranged on the outer side of the air inlet interface.
The air inlet interface enables the compressed air to be smoothly connected. The air inlet switch valve is used for switching the air inlet interface, so that air in the high-pressure cavity is prevented from leaking from the air inlet interface due to the fact that the air compressor is stopped.
Optionally, the air compressor includes a first control valve and a second control valve; the first control valve is connected between the air compressor and the air inlet interface; the second control valve is connected between the air compressor and an atomization device of the urea pyrolysis chamber.
Compressed air produced from the air compressor may be routed to the air intake port or/and the atomizing device via the first control valve and the second control valve.
According to the technical scheme, the application provides a device for replacing detection equipment of a urea pyrolysis chamber, which comprises: mounting a fixed pipe, an injection hole, a high-pressure cavity and an air inlet interface; the installation fixing pipe is arranged on the urea pyrolysis chamber and is communicated with the urea pyrolysis chamber; the high-pressure cavity is arranged inside the installation fixing pipe; the injection hole is arranged on the side wall of the high-pressure cavity and is communicated with the inside of the installation fixing pipe; the air inlet interface is arranged on the mounting and fixing pipe, and the inner side of the air inlet interface is communicated with the high-pressure cavity; the outside of the air inlet interface is connected with an air compressor. Compressed air is input to the air inlet interface through the air compressor, then passes through the high-pressure cavity and is sprayed out of the spray hole, so that sprayed compressed air flow rapidly extrudes air to flow into the urea pyrolysis chamber, high-temperature smoke in the urea pyrolysis chamber is reduced, and the problems that production efficiency is affected and resource waste is caused by changing detection equipment in a state that the urea pyrolysis chamber stops running are solved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a device for urea pyrolysis chamber change detection apparatus described herein;
fig. 2 is a schematic view showing a cross-sectional structure of an injection hole of the device for urea pyrolysis chamber replacement detection equipment according to the present application.
Illustration of:
wherein, 1-injection hole; 2-a high pressure chamber; 3-an air inlet interface; a 4-pyrolysis chamber connection; 5-mounting a fixed pipe.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.
Nitrogen oxides are gaseous pollutants with great influence in atmospheric pollutants, and have great harm to human bodies, environment and ecological systems. With the increasingly stringent environmental requirements, the problem of nitrogen oxide emissions is becoming more and more of a concern.
The selective catalytic reduction technology is mainly divided into two types, namely ammonia SCR and urea SCR. Both methods utilize ammonia to pair NO X Is used for reducing NO under the action of a catalyst X Reduced to N having no influence on the atmosphere 2 And water. The reducing agent is NH 3 。
The urea method SCR is to transfer urea into ammonia by using a device and then to an SCR catalyst reactor, wherein the urea is converted into ammonia by injecting urea solution into a urea pyrolysis chamber after passing through a urea solution circulating pump, a metering and distributing device and an atomizing device, wherein the urea pyrolysis chamber provides mixing time, residence time and temperature required by urea decomposition, the urea solution is uniformly mixed with dilution air in the urea pyrolysis chamber and NH3, H2O and CO2 are generated, and thus an amino product coming out of the urea pyrolysis chamber becomes a reducing agent of the SCR. When the urea pyrolysis chamber operates, high-temperature flue gas at about 600 ℃ is introduced into the urea pyrolysis chamber through a high-pressure fan not less than 10Kpa, and urea solution entering from an atomization nozzle is decomposed in the urea pyrolysis chamber by the high-temperature flue gas so as to generate a reducing agent of SCR. The urea pyrolysis chamber is in a high-temperature pressurized state in the operation process, and when the detection device or the atomizing nozzle is required to be disassembled in the equipment operation process, high-temperature flue gas in the urea pyrolysis chamber can be sprayed out to cause accidents such as burn. In order to reduce the occurrence of safety accidents, equipment such as a temperature measuring device, a urea solution atomizing device and the like which are installed on the urea pyrolysis chamber are required to be overhauled under the state that the urea pyrolysis chamber stops running, but the production efficiency is not only influenced, but also the waste of resources is caused.
In order to solve the problems that the production efficiency is affected and the resource waste is caused by replacing the detection equipment in a state that the urea pyrolysis chamber stops running, referring to fig. 1-2, fig. 1 is a schematic diagram of a device structure for replacing the detection equipment in the urea pyrolysis chamber; fig. 2 is a schematic view showing a cross-sectional structure of an injection hole of a device for urea pyrolysis chamber replacement detection equipment. The embodiment of the application provides a device for urea pyrolysis chamber changes check out test set, include: a fixed pipe 5, an injection hole 1, a high-pressure cavity 2 and an air inlet port 3 are arranged.
The installation fixing pipe 5 is arranged on the urea pyrolysis chamber, and the installation fixing pipe 5 is communicated with the urea pyrolysis chamber; the high-pressure cavity 2 is arranged inside the installation fixing pipe 5; the injection hole 1 is arranged on the side wall of the high-pressure cavity 2, and the injection hole 1 is communicated with the inside of the installation fixing pipe 5; the air inlet interface 3 is arranged on the installation fixing pipe 5, and the inner side of the air inlet interface 3 is communicated with the high-pressure cavity 2; the outer side of the air inlet interface 3 is connected with an air compressor.
It should be understood that the air inlet port 3 includes a control device and a port matched with the air inlet port 3, so that compressed air can be smoothly connected. The air compressor can provide a stable air source with pressure, and the air source can select air with the pressure of 0.4-0.6 Mpa.
The air compressor inputs compressed air to the air inlet port 3, compressed air enters the high-pressure cavity 2 and mainly plays a role in buffering, and then the compressed air is sprayed out from the spray holes 1 distributed around the pipe wall, so that the high-speed air flows fast and flows towards the inside of the installation fixing pipe 5, a negative pressure area is formed at the center and the rear end of a cavity of the air flow, a large amount of air at the tail end is sucked into the air flow and meets the surrounding air flow to form high-speed high-capacity air flow, the air flow flows into the urea pyrolysis chamber from the installation fixing pipe 5, high-temperature flue gas in the urea pyrolysis chamber cannot be sprayed out, and the problems that the production efficiency is influenced and the resource waste is caused by changing detection equipment under the condition that the urea pyrolysis chamber stops running are solved.
In some embodiments, the injection hole 1 has a circular ring structure in cross section; the injection hole 1 includes an entrance side and an injection side; the inlet side communicates with the high pressure chamber 2; the ejection side is communicated with the inside of the installation fixing pipe 5; the injection hole 1 is inclined in a direction of a central axis of the installation fixing tube 5.
The injection hole 1 is used for providing dynamic-static pressure conversion of compressed air, so that the flow rate of the compressed air is far higher than that of high-temperature air in the urea pyrolysis chamber.
In some embodiments, the injection hole 1 further includes a plurality of injection nozzles uniformly disposed at the injection side. The injection nozzle is used for uniformly and high-speed injecting the compressed air.
In some embodiments, the mounting fixture 5 includes a pyrolysis chamber connection end 4; the pyrolysis chamber connecting end 4 is communicated with the urea pyrolysis chamber; the ejection side is arranged on one side of the high-pressure cavity 2 away from the pyrolysis chamber connection end 4.
The spraying side is arranged on one side, far away from the pyrolysis chamber connecting end 4, of the high-pressure cavity 2, so that the pyrolysis chamber connecting end 4 forms a negative pressure area, and airflow flows into the urea pyrolysis chamber from the inside of the installation fixing pipe 5.
It will be appreciated that the pyrolysis chamber connection 4 is provided with negative pressure forming means comprising a suction mechanism, an operating mechanism and a connection. The operating mechanism comprises a rotating shaft, a roller shutter and a ratchet wheel. The roller shutter is connected to and windable around the rotating shaft, and the ratchet is connected to the rotating shaft for controlling stopping and turning of the rotating shaft. The rotating shaft and the connecting piece are respectively connected with the air extraction mechanism, and the air extraction mechanism is used for extracting air from the area formed by the roller shutter and the connecting piece. The connecting end 4 of the pyrolysis chamber can enable air and surrounding air flows to form high-speed high-capacity air flows to flow into the urea pyrolysis chamber from the mounting and fixing pipe 5, and high-temperature flue gas in the urea pyrolysis chamber is restrained from being sprayed out.
In some embodiments, the pyrolysis chamber connection 4 is disposed on a side of the urea pyrolysis chamber sidewall that is proximate to an atomizing device of the urea pyrolysis chamber.
The position of the pyrolysis chamber connecting end 4 is close to an atomization device of the urea pyrolysis chamber, so that the atomization device can be replaced conveniently.
In some embodiments, the high pressure chamber 2 is of annular configuration; the center of the high-pressure cavity 2 is positioned on the central shaft of the installation fixing pipe 5.
The high-pressure cavity 2 is used for forming an annular high-pressure belt at the interface of the urea pyrolysis chamber, so that compressed air entering from the air inlet interface 3 is uniformly distributed.
In some embodiments, the air inlet interface 3 is provided with an air inlet switch valve; the air inlet switch valve is arranged on the outer side of the air inlet interface 3.
The air inlet port 3 allows smooth access of compressed air. The air inlet switch valve is used for switching the air inlet interface 3, so that air in the high-pressure cavity 2 leaks out of the air inlet interface 3 due to the fact that the air compressor is stopped.
In some embodiments, the air compressor includes a first control valve and a second control valve; the first control valve is connected between the air compressor and the air inlet interface 3; the second control valve is connected between the air compressor and an atomization device of the urea pyrolysis chamber.
Compressed air produced from the air compressor can be sent to the air inlet port 3 or/and the atomizing device through the first control valve and the second control valve, so that resources are saved.
According to the technical scheme, the embodiment of the application provides a device for replacing detection equipment of a urea pyrolysis chamber, which comprises: a fixed pipe 5, an injection hole 1, a high-pressure cavity 2 and an air inlet port 3 are arranged; the installation fixing pipe 5 is arranged on the urea pyrolysis chamber, and the installation fixing pipe 5 is communicated with the urea pyrolysis chamber; the high-pressure cavity 2 is arranged inside the installation fixing pipe 5; the injection hole 1 is arranged on the side wall of the high-pressure cavity 2, and the injection hole 1 is communicated with the inside of the installation fixing pipe 5; the air inlet interface 3 is arranged on the installation fixing pipe 5, and the inner side of the air inlet interface 3 is communicated with the high-pressure cavity 2; the outer side of the air inlet interface 3 is connected with an air compressor. Compressed air is input to the air inlet interface 3 through the air compressor, then passes through the high-pressure cavity 2 and is sprayed out from the spray hole 1, so that sprayed compressed air flows to flow into the urea pyrolysis chamber in a rapid extrusion mode, high-temperature smoke spraying in the urea pyrolysis chamber is reduced, and the problems that production efficiency is affected and resource waste is caused when detection equipment is replaced under the state that the urea pyrolysis chamber stops running are solved.
The foregoing detailed description of the embodiments is merely illustrative of the general principles of the present application and should not be taken in any way as limiting the scope of the utility model. Any other embodiments developed in accordance with the present application without inventive effort are within the scope of the present application for those skilled in the art.
Claims (8)
1. An apparatus for urea pyrolysis chamber change detection device, comprising: a fixed pipe (5), an injection hole (1), a high-pressure cavity (2) and an air inlet interface (3) are arranged;
the installation fixing pipe (5) is arranged on the urea pyrolysis chamber, and the installation fixing pipe (5) is communicated with the urea pyrolysis chamber; the high-pressure cavity (2) is arranged inside the installation fixing pipe (5); the injection hole (1) is arranged on the side wall of the high-pressure cavity (2), and the injection hole (1) is communicated with the inside of the installation fixing pipe (5); the air inlet interface (3) is arranged on the installation fixing pipe (5), and the inner side of the air inlet interface (3) is communicated with the high-pressure cavity (2); the outer side of the air inlet interface (3) is connected with an air compressor.
2. Device for urea pyrolysis chamber change detection equipment according to claim 1, characterized in that the cross section of the injection hole (1) is of circular ring structure; the injection hole (1) comprises an entry side and an injection side; the inlet side communicates with the high-pressure chamber (2); the spraying side is communicated with the inside of the installation fixing pipe (5); the injection hole (1) is inclined towards the central axis of the installation fixing pipe (5).
3. The device for urea pyrolysis chamber change detection equipment according to claim 2, characterized in that the injection hole (1) further comprises a plurality of injection nozzles, which are uniformly arranged on the injection side.
4. The device for urea pyrolysis chamber change detection equipment according to claim 2, characterized in that the mounting fixture tube (5) comprises a pyrolysis chamber connection end (4); the pyrolysis chamber connecting end (4) is communicated with the urea pyrolysis chamber; the spraying side is arranged on one side of the high-pressure cavity (2) far away from the connecting end (4) of the pyrolysis chamber.
5. The device for urea pyrolysis chamber change detection equipment according to claim 4, characterized in that the pyrolysis chamber connection end (4) is arranged at the side of the urea pyrolysis chamber side wall close to the atomizing device of the urea pyrolysis chamber.
6. The device for urea pyrolysis chamber change detection equipment according to claim 1, characterized in that the high pressure chamber (2) is of annular structure; the center of the high-pressure cavity (2) is positioned on the central shaft of the installation fixing pipe (5).
7. The device for urea pyrolysis chamber change detection equipment according to claim 1, characterized in that the air inlet interface (3) is provided with an air inlet switch valve; the air inlet switch valve is arranged on the outer side of the air inlet interface (3).
8. The apparatus for a urea pyrolysis chamber change detection device of claim 1, wherein the air compressor comprises a first control valve and a second control valve; the first control valve is connected between the air compressor and the air inlet interface (3); the second control valve is connected between the air compressor and an atomization device of the urea pyrolysis chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308501.3U CN220657069U (en) | 2023-08-25 | 2023-08-25 | Device for replacing detection equipment in urea pyrolysis chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308501.3U CN220657069U (en) | 2023-08-25 | 2023-08-25 | Device for replacing detection equipment in urea pyrolysis chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657069U true CN220657069U (en) | 2024-03-26 |
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ID=90333091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322308501.3U Active CN220657069U (en) | 2023-08-25 | 2023-08-25 | Device for replacing detection equipment in urea pyrolysis chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657069U (en) |
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2023
- 2023-08-25 CN CN202322308501.3U patent/CN220657069U/en active Active
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