CN212525294U - Cleaning device for propane dehydrogenation reactor - Google Patents
Cleaning device for propane dehydrogenation reactor Download PDFInfo
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- CN212525294U CN212525294U CN202021049276.6U CN202021049276U CN212525294U CN 212525294 U CN212525294 U CN 212525294U CN 202021049276 U CN202021049276 U CN 202021049276U CN 212525294 U CN212525294 U CN 212525294U
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- propane dehydrogenation
- dehydrogenation reactor
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- filtering
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Abstract
The utility model provides a propane dehydrogenation reactor cleaning device relates to the clean technical field of propane dehydrogenation reactor to the inside cooling rate of propane dehydrogenation reactor that exists is slow among the solution prior art, and the cooling needs the manual work to get into the reactor and clears up, the technical problem of clean inefficiency after to 100 ℃. The device comprises a driving mechanism, a centrifugal recovery mechanism, a power mechanism and a cleaning mechanism, wherein the cleaning mechanism is located inside the propane dehydrogenation reactor, the centrifugal recovery mechanism and the power mechanism are connected with the driving mechanism, the power mechanism is connected with the cleaning mechanism, the power mechanism can be driven by the driving mechanism to drive the cleaning mechanism to move, and the centrifugal recovery mechanism is connected with the cleaning mechanism. The utility model is used for dust in the clean propane dehydrogenation reactor realizes automatic cleanness.
Description
Technical Field
The utility model belongs to the technical field of the clean technique of propane dehydrogenation reactor and specifically relates to a propane dehydrogenation reactor cleaning device is related to.
Background
Propylene is an important chemical raw material and is mainly used for producing PP, acrylic acid and the like, and propane dehydrogenation is one of the main methods for producing propylene at present. The propane dehydrogenation device is provided with a plurality of reactors, and the reactors are switched at intervals according to operation → steam purge → regeneration → reduction → operation.
The device for preparing Propylene (PDH) by propane dehydrogenation adopts a CATOFIN process to convert propane into propylene on a fixed chromium-aluminum catalyst bed, and the reaction condition is 600 ℃ and the absolute pressure is 0.05 MPa. As the catalyst ages, the capacity to produce propylene gradually decreases, and when the catalyst has been used for a certain period of time, the life of the catalyst decays, the catalyst needs to be replaced and the components inside the reactor need to be maintained. In practice, the chromium-aluminum catalyst has great harm to human health, the inside of the reactor is narrow and belongs to a limited space, and the inside dust is also more.
The applicant has found that the prior art has at least the following technical problems:
before normally changing the catalyst, need chemical industry to handle, become qualified space with reactor inside processing, and catalyst bed temperature need slowly reduce, after handling to below 100 ℃, inside the artifical clean reactor, because inside cooling rate is very slow, seriously influence the construction progress, examine and repair the use with regard to the reactor to above-mentioned condition design self-cleaning system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a propane dehydrogenation reactor cleaning device to the inside cooling rate of the propane dehydrogenation reactor who exists is slow among the solution prior art, and the cooling needs the manual work to get into the reactor after 100 ℃ of coming down and clears up, technical problem clean inefficiency. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a propane dehydrogenation reactor cleaning device, retrieve mechanism, power unit and clean mechanism including actuating mechanism, centrifugation, wherein, clean mechanism is located inside the propane dehydrogenation reactor, the centrifugation retrieve the mechanism with power unit all with actuating mechanism is connected, power unit with clean mechanism is connected just power unit can drive under actuating mechanism's the drive clean mechanism motion, the centrifugation retrieve the mechanism with clean mechanism is connected.
Preferably, the centrifugal recycling mechanism comprises a centrifugal recycling machine and a recycling tank, the recycling tank is communicated with the centrifugal recycling machine, the centrifugal recycling machine is connected with the driving mechanism, and the cleaning mechanism is connected with the centrifugal recycling machine through a connecting pipeline.
Preferably, a filtering structure is arranged on the connecting pipeline, and dust in the propane dehydrogenation reactor recovered by the cleaning mechanism enters the centrifugal recovery machine after being filtered by the filtering structure.
Preferably, the filtering structure comprises a shell and a filtering assembly, wherein a filtering inlet and a filtering outlet are arranged on the shell, the filtering inlet is communicated with the cleaning mechanism, the filtering outlet is communicated with the centrifugal recycling machine, and the filtering assembly is fixedly arranged in the shell.
Preferably, the power mechanism is an air compressor, and the driving mechanism is a variable frequency motor.
Preferably, the cleaning mechanism comprises a walking part and a dust absorption part, the dust absorption part is arranged on the walking part, the dust absorption part is communicated with the filtering structure through the connecting pipeline, and the walking part is connected with the air compressor.
Preferably, the dust collection part comprises a motor, a rotating arm and a rotary suction head, wherein the motor is fixedly arranged on the walking part, the motor is connected with the rotating arm, and the rotating arm is connected with the rotary suction head and can drive the rotary suction head to rotate through the motor; the walking part is a crawler-type moving trolley.
Preferably, the system further comprises a high-definition camera, an infrared distance detector, a gas analysis detector, an alarm device and a PLC, wherein the high-definition camera, the infrared distance detector and the gas analysis detector are all fixedly arranged on the crawler-type moving trolley and are electrically connected with the PLC, the alarm device is electrically connected with the PLC, and when the gas analysis detector detects that environmental components in the propane dehydrogenation reactor are abnormal, the PLC can control the alarm device to give an alarm.
Preferably, the air compressor and the cleaning mechanism are connected through a quick-acting joint hose, a pressure sensor and a flowmeter are arranged on the quick-acting joint hose, and the pressure sensor and the flowmeter are connected with the PLC.
Preferably, the crawler-type moving trolley is further provided with a cooling nozzle, and the cooling nozzle is connected with the air compressor.
The utility model provides a propane dehydrogenation reactor cleaning device, including actuating mechanism, centrifugal recovery mechanism, power unit and cleaning mechanism, wherein, cleaning mechanism is located inside the propane dehydrogenation reactor, centrifugal recovery mechanism and power unit all are connected with actuating mechanism, power unit is connected with cleaning mechanism and power unit can drive cleaning mechanism motion under the drive of actuating mechanism, cleaning mechanism can absorb the dust in the propane dehydrogenation reactor and send the dust to centrifugal recovery mechanism, the dust in the propane dehydrogenation reactor can be effectively collected to the environmental protection recovery department when this set of equipment operation, the dust content in the reactor is reduced, guarantee the internal environment of reactor, when the maintenance personal enters the reactor for construction, improve the work efficiency and the work quality of maintainer, also strengthened maintainer's safety simultaneously, realized automatic cleaning, the temperature in the reactor does not need to be reduced to below 100 ℃ and then manually enters the reactor for cleaning, thereby quickening the construction progress and improving the cleaning efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of a cleaning device for a propane dehydrogenation reactor provided by an embodiment of the present invention.
Reference numerals: 1. a drive mechanism; 2. a centrifugal reclaimer; 3. connecting a pipeline; 4. a filter structure; 41. a housing; 42. a filter assembly; 5. a propane dehydrogenation reactor; 6. an air compressor; 7. a crawler-type moving trolley; 8. a PLC; 9. dust collection components.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a propane dehydrogenation reactor 5 cleaning device, retrieve mechanism, power unit and clean mechanism including actuating mechanism 1, centrifugation, wherein, clean mechanism is located propane dehydrogenation reactor 5 inside, and centrifugation is retrieved mechanism and power unit and is all connected with actuating mechanism 1, and power unit is connected with clean mechanism and power unit can drive clean mechanism motion under actuating mechanism 1's drive, and the centrifugation is retrieved the mechanism and is connected with clean mechanism. The power mechanism in the embodiment is an air compressor 6, the driving mechanism 1 is a variable frequency motor, and the variable frequency motor adjusts the rotating speed, saves energy and efficiently realizes automatic output. Dust in the propane dehydrogenation reactor 5 can be effectively collected to the environmental protection department of retrieving during this equipment operation, has reduced the inside dust content of reactor, ensures reactor internal environment, when maintenance personal gets into the interior construction of reactor, improves maintainer work efficiency and operating mass with rated load, has also strengthened maintainer's safety simultaneously, has realized automatic cleanness, has improved clean efficiency for the construction progress.
Specifically, the centrifugal recovery mechanism comprises a centrifugal recovery machine 2 and a recovery tank, the recovery tank is communicated with the centrifugal recovery machine 2, the centrifugal recovery machine 2 is connected with the driving mechanism 1, and the cleaning mechanism is connected with the centrifugal recovery machine 2 through a connecting pipeline 3. The connecting pipeline 3 is provided with a filtering structure 4, and dust in the propane dehydrogenation reactor 5 recovered by the cleaning mechanism enters the centrifugal recovery machine 2 after being filtered by the filtering structure 4.
Wherein, filtration 4 includes casing 41 and filtering component 42, is provided with on the casing 41 and filters entry and filtration export, filters entry and clean mechanism intercommunication, filters export and centrifugal recovery machine 2 intercommunication, and filtering component 42 is fixed to be set up in casing 41. Set up the filter core before centrifugal recovery machine 2, the dust, peculiar smell etc. of reactor inside are got rid of to the at utmost, and the dust is effectively collected to environmental protection recovery (recovery jar) department when guaranteeing this equipment operation.
The cleaning mechanism comprises a walking part and a dust absorption part 9, the dust absorption part 9 is arranged on the walking part, the dust absorption part 9 is communicated with the filtering structure 4 through the connecting pipeline 3, and the walking part is connected with the air compressor 6. The dust collection part 9 comprises a motor, a rotating arm and a rotating suction head, the motor is fixedly arranged on the walking part, the motor is connected with the rotating arm, and the rotating arm is connected with the rotating suction head and can drive the rotating suction head to rotate through the motor; the walking part is crawler-type travelling car 7, and air compressor 6 provides kinetic energy for crawler-type travelling car 7, and is concrete, connects the output pipeline on the air compressor 6, and the output pipeline is connected with crawler-type travelling car 7, avoids reactor inner space to use the power as power take off, has improved the security of equipment, also provides vertical removal's power for crawler-type travelling car 7 rises, falls simultaneously, the inside height of at utmost adaptation reactor.
Furthermore, the utility model provides a 5 cleaning device of propane dehydrogenation reactor still includes high definition digtal camera, infrared distance detection appearance, gaseous analysis detector and PLC8, and high definition digtal camera, infrared distance detection appearance and gaseous analysis detector are all fixed to be set up on crawler-type travelling car 7 to high definition digtal camera, infrared distance detection appearance and gaseous analysis detector all are connected with PLC8 electricity. The high-definition camera ensures that an operator monitors the internal condition outside the reactor in real time; the infrared distance detector can realize the free movement of the crawler-type moving trolley 7, and avoid the unnecessary loss caused by collision with the inner wall of the reactor or some parts in the reactor; the gas analysis monitor monitors the internal environment of the reactor in real time and analyzes the environmental components.
Additionally, the utility model provides a 5 cleaning device of propane dehydrogenation reactor still includes alarm device and is also connected with PLC8 electricity, when the gas analysis detector detected that the environmental component in the propane dehydrogenation reactor 5 exists unusually (if oxygen is less than 19.5% or monitor that the reactor is inside to have combustible gas), the gas analysis detector can pass information to PLC8, PLC8 can control alarm device and send the warning, alarm device in this embodiment can be alarm indicator, also can be voice alarm, do not limit here.
Air compressor 6 and clean between the mechanism through quick-operation joint hose connection, be provided with pressure sensor and flowmeter on the quick-operation joint hose, pressure sensor and flowmeter all are connected with PLC 8. And monitoring whether the supply pressure and the flow are abnormal or not in real time.
The crawler-type travelling car 7 is also provided with a cooling nozzle, and the air compressor 6 is also provided with an additional pipeline which is connected with the cooling nozzle. Air is blown and cooled on the outer surface of the crawler-type moving trolley 7, and the air compressor 6 provides a blowing air source for the crawler-type moving trolley, so that the crawler-type moving trolley is suitable for being used in a high-temperature environment and used for cooling the outer surface of the crawler-type moving trolley 7, and therefore components on the crawler-type moving trolley 7 and around the crawler-type moving trolley 7 are effectively protected.
Propane dehydrogenation device belongs to pyrolysis continuous production technology, need plan in advance and overhaul the plan, when the reactor is inside to be overhauld, chemical industry processing slow cooling, and contain the chromium system in the inside catalyst that loads, hexavalent chromium belongs to the hypertoxic, reduces hexavalent chromium into trivalent chromium when changing the catalyst, and cooling rate can be very slow after the temperature reaches 100 degrees centigrade, the utility model provides a 5 cleaning device of propane dehydrogenation reactor are high temperature resistant, can get into the reactor in advance, look over the reactor internal conditions, plan in advance that maintenance strength and maintenance scheduling.
Inside being formed by the piling of resistant firebrick of leaning on of pyrolysis process's fixed bed reactor, look over the damaged condition of brick in advance, and internals (like distributor in service behavior), formulate construction scheme effectively, the inside air supply at utmost speed up that relies on air compressor 6 to provide of reactor simultaneously, when maintenance personal gets into the inside construction of reactor, reduce the dust in the reactor, guarantee reactor internal environment improves maintainer work efficiency and operating mass with rated load, maintenance personal's safety has also been strengthened simultaneously.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a propane dehydrogenation reactor cleaning device, its characterized in that includes actuating mechanism, centrifugation recovery mechanism, power unit and clean mechanism, wherein, clean mechanism is located inside the propane dehydrogenation reactor, the centrifugation recovery mechanism with power unit all with actuating mechanism is connected, power unit with clean mechanism is connected just power unit can drive under actuating mechanism's the drive clean mechanism motion, the centrifugation recovery mechanism with clean mechanism is connected.
2. The propane dehydrogenation reactor cleaning apparatus as defined in claim 1, wherein the centrifugal recovery mechanism comprises a centrifugal recovery machine and a recovery tank, the recovery tank is communicated with the centrifugal recovery machine, the centrifugal recovery machine is connected with the driving mechanism, and the cleaning mechanism is connected with the centrifugal recovery machine through a connecting pipeline.
3. The cleaning device for the propane dehydrogenation reactor according to claim 2, wherein a filtering structure is arranged on the connecting pipeline, and dust in the propane dehydrogenation reactor recovered by the cleaning mechanism enters the centrifugal recovery machine after being filtered by the filtering structure.
4. The propane dehydrogenation reactor cleaning apparatus as defined in claim 3, wherein the filtering structure comprises a housing and a filtering assembly, the housing is provided with a filtering inlet and a filtering outlet, the filtering inlet is communicated with the cleaning mechanism, the filtering outlet is communicated with the centrifugal reclaimer, and the filtering assembly is fixedly arranged in the housing.
5. The propane dehydrogenation reactor cleaning apparatus as defined in claim 3, wherein the power mechanism is an air compressor and the driving mechanism is a variable frequency motor.
6. The propane dehydrogenation reactor cleaning apparatus as defined in claim 5, wherein the cleaning mechanism comprises a walking component and a dust suction component, the dust suction component is disposed on the walking component, the dust suction component is communicated with the filtering structure through the connecting pipeline, and the walking component is connected with the air compressor.
7. The propane dehydrogenation reactor cleaning apparatus of claim 6, wherein the dust extraction component comprises a motor, a rotating arm, and a rotating tip, wherein,
the motor is fixedly arranged on the walking part and is connected with the rotating arm, and the rotating arm is connected with the rotary suction head and can drive the rotary suction head to rotate through the motor;
the walking part is a crawler-type moving trolley.
8. The cleaning device for the propane dehydrogenation reactor according to claim 7, further comprising a high-definition camera, an infrared distance detector, a gas analysis detector, an alarm device and a PLC, wherein the high-definition camera, the infrared distance detector and the gas analysis detector are all fixedly arranged on the crawler-type moving trolley and are all electrically connected with the PLC, the alarm device is electrically connected with the PLC, and when the gas analysis detector detects that environmental components in the propane dehydrogenation reactor are abnormal, the PLC controls the alarm device to give an alarm.
9. The propane dehydrogenation reactor cleaning apparatus according to claim 8, wherein the air compressor is connected with the cleaning mechanism through a quick coupling hose, a pressure sensor and a flow meter are arranged on the quick coupling hose, and both the pressure sensor and the flow meter are connected with the PLC.
10. The propane dehydrogenation reactor cleaning apparatus as defined in claim 7, wherein the tracked moving cart is further provided with a cooling nozzle, and the cooling nozzle is connected with the air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049276.6U CN212525294U (en) | 2020-06-09 | 2020-06-09 | Cleaning device for propane dehydrogenation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049276.6U CN212525294U (en) | 2020-06-09 | 2020-06-09 | Cleaning device for propane dehydrogenation reactor |
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| Publication Number | Publication Date |
|---|---|
| CN212525294U true CN212525294U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021049276.6U Active CN212525294U (en) | 2020-06-09 | 2020-06-09 | Cleaning device for propane dehydrogenation reactor |
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| Country | Link |
|---|---|
| CN (1) | CN212525294U (en) |
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- 2020-06-09 CN CN202021049276.6U patent/CN212525294U/en active Active
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