CN220463530U - Pulse sand blowing device of tubular reactor - Google Patents
Pulse sand blowing device of tubular reactor Download PDFInfo
- Publication number
- CN220463530U CN220463530U CN202320579466.6U CN202320579466U CN220463530U CN 220463530 U CN220463530 U CN 220463530U CN 202320579466 U CN202320579466 U CN 202320579466U CN 220463530 U CN220463530 U CN 220463530U
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- sleeve
- sand
- storage tank
- pulse
- coaxial
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- 239000004576 sand Substances 0.000 title claims abstract description 60
- 238000007664 blowing Methods 0.000 title claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 36
- 238000005488 sandblasting Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims description 41
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 description 44
- 238000004891 communication Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a pulse sand blowing device of a tubular reactor, which comprises the following components: the sand storage device comprises a compressed air part, a sand storage tank, a control part and a positioning clamp, wherein the sand storage tank is connected with the positioning clamp, the compressed air part is communicated with the positioning clamp, the control part is connected with the sand storage tank and the compressed air part, and the control part drives the sand storage tank and the compressed air part; the sand storage tank is connected with the positioning clamp through a first pipeline; the compressed air part is connected with the positioning clamp through the second pipeline, and the pulse sand blowing device of the tubular reactor is convenient to assemble and disassemble, smooth in movement, controllable in sand blasting amount, capable of accurately controlling time and times, guaranteeing coaxiality, reducing damage to the pipeline, and further improving cleaning effect and cleaning efficiency.
Description
Technical Field
The utility model relates to the field of chemical industry and chemical reaction equipment, in particular to a pulse sand blowing device of a tubular reactor.
Background
The tube type reactor is also called a tube type reactor. A fixed-bed reactor for the catalyst in the tubes is composed of tube bundle, shell and two end plugs. The heat required by the reaction is provided by adopting flue gas, high-temperature steam and the like outside the tube array, or the heat released by the reaction is removed by adopting molten salt heat conduction oil, water and the like, so that the reaction temperature is maintained. It is often used for strong exothermic reactions, strong endothermic reactions, etc.
The inner wall of the reaction tube needs to be cleaned before the catalyst is filled, especially after the reaction. The existing cleaning comprises the preliminary cleaning by using the through bars and the cleaning of the inner wall of the reaction tube by sand blasting.
The following drawbacks are encountered when cleaning with sandblasting:
1. the existing sand blasting equipment has low working efficiency, can only be switched on and off manually, wastes time, and usually needs to be manually closed after a single reaction tube is cleaned, and then the sand blasting is started after the spray tube is moved to the next reaction tube.
2. Because the tube side is different in length and the tube side is arranged in a plurality of long tube sides, the tail end or the bottom of the tube side is obviously cleaned without effect during sand blasting, the longer the tube side is, the worse the effect is, the bottom operation is difficult in the existing mode, and the danger is extremely high;
3. the spray pipe of sandblast needs to be coaxial with the reaction tube just even with the clearance on the reaction tube inner wall like this, directly say that the spray pipe is plugged into the reaction tube among the prior art and is cleared up, therefore the pipe wall clearance effect that the spray pipe is close to is good, and the pipe wall clearance effect that the spray pipe is kept away from is poor.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a tubular reactor pulse sand blowing device which is convenient to assemble and disassemble, smooth to move, ensures coaxiality and further improves cleaning effect and cleaning efficiency.
According to one aspect of the present utility model, there is provided a pulse sand blasting apparatus for a tube array reactor, comprising: the sand storage device comprises a compressed air part, a sand storage tank, a control part and a positioning clamp, wherein the sand storage tank is connected with the positioning clamp, the compressed air part is communicated with the sand storage tank, the control part is connected with the sand storage tank and the compressed air part, and the control part drives the sand storage tank and the compressed air part;
the sand storage tank is connected with the positioning clamp through a first pipeline;
the compressed air part is connected with the sand storage tank through a second pipeline. The sand storage tank is controlled by the control part to discharge the frosted sand, the compressed air part is controlled by the control part to spray the frosted sand into the reaction tube, the tube wall is cleaned, the smooth movement in the reaction tube is ensured by the positioning clamp, the coaxiality of the spray tube and the reaction tube is consistent, and the cleaning effect is good.
In some embodiments, the top of the sand storage tank is provided with a sand adding port, the first pipeline is provided with a first electromagnetic valve, and the second pipeline is provided with a second electromagnetic valve. The first electromagnetic valve is used for controlling the communication gravel of the first pipeline and the positioning clamp, and the second electromagnetic valve is used for controlling the communication of the second pipeline or closing the air source.
In some embodiments, the control portion is connected to the first solenoid valve and controls the time at which the first solenoid valve is operated or closed, and the control portion is connected to the second solenoid valve and controls the time at which the second solenoid valve is operated or closed. By setting the operation time of the first electromagnetic valve and the second electromagnetic valve, the positioning clamp is only required to be moved in sequence and confirmed when in operation ， The sand storage tank and the compressed air part do not need to be switched on and off, so that the working efficiency is improved.
In some embodiments, the positioning fixture comprises: the device comprises a positioning part, a clamping part, a connecting sleeve and a spray pipe;
the positioning part is connected with the clamping part, and the clamping part is detachably connected with the spray pipe;
the positioning part, the clamping part, the connecting sleeve and the spray pipe are coaxially arranged. The spray pipe and the reaction tube are ensured to be coaxial through the clamping part, the spray pipe can move in the reaction tube conveniently through the positioning part, and the effect of cleaning the inner wall of the reaction tube through the spray pipe is ensured through the arrangement.
In some embodiments, the tip of the spout is removably connected to the first conduit.
In some embodiments, the positioning portion includes: the coaxial driving assembly is connected with the first sleeve and the second sleeve, the bottom of the coaxial driving assembly is fixedly connected with the second sleeve, the top of the coaxial driving assembly is propped against the first sleeve, and the central shafts of the coaxial driving assembly and the second sleeve are consistent. The coaxial driving assembly is utilized to ensure that the second sleeve is coaxial with the first sleeve, and further ensure that the second sleeve is coaxial with the reaction tube.
In some embodiments, the coaxial drive assembly comprises: the connecting hole is formed in the first sleeve, the bottom of the spring is fixedly connected with the outer wall of the second sleeve, and the spring drives the ball to be arranged in the connecting hole and extend out of the outer wall of the first sleeve. The spring is used for driving the second sleeve and the first sleeve simultaneously to ensure that the second sleeve is coaxial with the first clearance, and the ball rolls on the inner wall of the reaction tube, so that the spray tube moves more smoothly during sand blasting.
In some embodiments, the connecting hole is a circular arc hole. The circular arc holes are utilized to facilitate the rolling of the balls.
In some embodiments, the coaxial drive assembly is provided in plurality. The second sleeve is conveniently supported by a plurality of coaxial drive assemblies.
In some embodiments, the clamping portion includes at least 3 driving members, the driving members are disposed on an inner wall of the second sleeve and distributed in an annular array with an axis of the second sleeve as a center, and output ends of the driving members are provided with connecting sleeves. The clamping part is used for fixing the spray pipe and simultaneously ensuring that the spray pipe is coaxial with the second sleeve.
In some embodiments, the clamping portion is provided with at least 2 clamping portions, which clamp or unclamp the spout. At least 2 clamping parts are convenient for guaranteeing the fixed stability of the spray pipe.
In some embodiments, the driving member drives the connecting sleeve to close and clamp the spray pipe, and the driving member drives the connecting sleeve to separate and loosen the spray pipe. The driving piece is used for controlling the clamping or loosening of the spray pipe.
Compared with the prior art, the utility model has the advantages of convenient assembly and disassembly, smooth movement, controllable sand blasting amount, accurate control of time and times, coaxiality assurance, and further improvement of cleaning effect and cleaning efficiency; the sand storage tank is controlled by the control part to discharge frosting, the compressed air part is controlled by the control part to spray the frosting into the reaction tube, the tube wall is cleaned, the smooth movement in the reaction tube is ensured by the positioning clamp, the coaxiality of the spray tube and the reaction tube is consistent, and the cleaning effect is good; by setting the running time of the first electromagnetic valve and the second electromagnetic valve, the positioning clamp is only required to be moved in sequence during operation, and the sand storage tank and the compressed air part are not required to be opened and closed manually, so that the working efficiency is improved; the clamping part ensures that the spray pipe is coaxial with the reaction tube, the spray pipe can conveniently move in the reaction tube through the positioning part, and the effect of cleaning the inner wall of the reaction tube through the arrangement of the clamping part is ensured; the coaxial driving assembly is utilized to ensure that the second sleeve is coaxial with the first sleeve, and further ensure that the second sleeve is coaxial with the reaction tube; the ball rolls on the inner wall of the reaction tube, so that the spray tube moves more smoothly during sand blasting; the clamping part is used for fixing the spray pipe and simultaneously ensuring that the spray pipe is coaxial with the second sleeve.
Drawings
FIG. 1 is a schematic structural view of a pulse sand blowing device of a tubular reactor according to the present utility model;
FIG. 2 is a schematic structural view of a positioning jig for a pulse sand blowing device of a tube array reactor according to the present utility model
FIG. 3 is a transverse cross-sectional view of a positioning fixture of a pulse sand blowing device of a tubular reactor in accordance with the present utility model;
FIG. 4 is a schematic structural view of a positioning part of a pulse sand blowing device of a tubular reactor according to the present utility model;
FIG. 5 is a schematic view of the structure of the clamping part of the pulse sand blowing device of the tubular reactor.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the utility model, and equivalent changes or substitutions of functions, methods or structures according to the embodiments by those skilled in the art are included in the scope of the present utility model.
In the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms
"mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, mechanical or electrical, or may be in communication with each other within two elements, directly or indirectly through intermediaries, as will be understood by those of ordinary skill in the art, and the specific meaning of the terms may be understood in view of the specific circumstances.
As shown in fig. 1, the pulse sand blowing device of the tubular reactor comprises: the sand storage device comprises a compressed air part 1, a sand storage tank 2, a control part 3 and a positioning clamp 4, wherein the compressed air part 1 is communicated with the positioning clamp 4, the control part 3 is connected with the sand storage tank 2 and the compressed air part 1, and the control part 3 drives the sand storage tank 2 and the compressed air part 1;
the sand storage tank 2 is connected with a positioning clamp 4 through a first pipeline 5;
the compressed air part 1 is connected to the positioning jig 4 through a second pipe 6. The sand storage tank 2 is controlled by the control part 3 to discharge the sand, the compressed air part 1 is controlled by the control part 3 to spray the sand into the reaction tube, the tube wall is cleaned, the smooth movement in the reaction tube is ensured by the positioning clamp 4, the coaxiality of the spray tube and the reaction tube is consistent, and the cleaning effect is good.
The top of the sand storage tank 2 is provided with a sand adding port, a first electromagnetic valve 7 is arranged on the first pipeline 5, and a second electromagnetic valve 8 is arranged on the second pipeline 6. The communication and closing of the first pipe 5 is controlled by a first solenoid valve 7, and the communication or closing of the second pipe 6 is controlled by a second solenoid valve 8.
The control unit 3 is connected to the first electromagnetic valve 7 and controls the time when the first electromagnetic valve 7 is operated or closed, and the control unit 3 is connected to the second electromagnetic valve 8 and controls the time when the second electromagnetic valve 8 is operated or closed. By setting the running time of the first electromagnetic valve 7 and the second electromagnetic valve 8, the positioning clamp 4 only needs to be moved in sequence during operation, and the sand storage tank 2 and the compressed air part 1 do not need to be manually opened and closed, so that the working efficiency is improved.
The specific implementation process comprises the following steps:
step 1: adding frosted sand into the sand storage tank 2 from a sand adding port;
step 2: the control part 3, the first electromagnetic valve 7, the sand storage tank 2, the second electromagnetic valve 8 and the compressed air part 1 are electrified;
step 3: a control part 3 parameter setting;
step 4: the control part 3 opens the second electromagnetic valve 8 to blow air to the spray pipe in the positioning clamp 4;
step 5: the control part 3 opens the first electromagnetic valve 7 to send frosted sand into the spray pipe in the positioning clamp 4 for sand blasting;
step 6: when the sand blasting of the reaction tube is completed, the control part 3 closes the first electromagnetic valve 7;
step 7: the control part 3 closes the second electromagnetic valve 8;
step 8: presetting an interval and a sand blasting time;
step 9: the positioning jig 4 is moved to the next reaction tube and confirmed, and the above steps 4 to 7 are repeated.
As shown in fig. 2 and 3, the positioning jig 4 includes: a positioning part 41, a clamping part 42, a connecting sleeve 43 and a spray pipe 44;
the positioning part 41 is connected with the clamping part 42, and the clamping part 42 is detachably connected with the spray pipe 44;
the positioning portion 41, the clamping portion 42, the connecting sleeve 43 and the nozzle 44 are coaxially arranged.
In essence, the technical point of solving the problem of poor cleaning effect of the two ends and the inner wall of the reaction tube is to ensure that the nozzle 44 moves to the bottom of the reaction tube smoothly and coaxially with the reaction tube. The clamping part 42 ensures that the spray pipe 44 is coaxial with the reaction tube, the positioning part 41 facilitates movement in the reaction tube, and the arrangement ensures the effect of cleaning the inner wall of the reaction tube by the spray pipe 44.
The end of the nozzle 44 is detachably connected to the first pipe 5.
As shown in fig. 4, the positioning portion 41 includes: the coaxial driving assembly 413 is fixedly connected with the second sleeve 412, the top of the coaxial driving assembly 413 abuts against the first sleeve 411, and the coaxial driving assembly 413 drives the second sleeve 412 to be consistent with the central shaft of the first sleeve 411. The coaxial drive assembly 413 is used to ensure that the second sleeve 412 is coaxial with the first sleeve 411 and further to ensure that the second sleeve 412 is coaxial with the reaction tube.
The first sleeve 411 and the second sleeve 412 are supported while the coaxial driving assembly 413 is performed such that the central axes of the first sleeve 411 and the second sleeve 412 coincide.
The coaxial drive assembly 413 includes: the spring 414, the ball 415 and the connecting hole 416, the connecting hole 416 is arranged on the first sleeve 411, the bottom of the spring 414 is fixedly connected with the outer wall of the second sleeve 412, and the spring 414 drives the ball 415 to be arranged in the connecting hole 416 and extend out of the outer wall of the first sleeve 411. The spring 414 is used for driving the second sleeve 412 and the first sleeve 411 simultaneously, so that the second sleeve 412 is coaxial with the first clearance, and the balls 415 roll on the inner wall of the reaction tube, so that the spray tube 44 moves more smoothly during sand blasting.
The connecting hole 416 is a circular arc hole. The ball 415 is facilitated to roll by the circular arc holes. The top of the ball 415 protrudes out of the top of the connection hole 416 to be in contact with the inner wall of the reaction tube, and
the coaxial drive assembly 413 is provided in plurality. The use of a plurality of coaxial drive assemblies 413 facilitates support of the second sleeve 412. The number of coaxial drive assemblies 413 is related to the length of spout 44, typically no less than 2 coaxial drive assemblies 413, with longer spout 44 corresponding to more coaxial drive assemblies 413.
As shown in fig. 5, the clamping portion 42 includes at least 3 driving members 421, the driving members 421 are disposed on an inner wall of the second sleeve 412 and distributed in an annular array with an axis of the second sleeve 412 as a center, and output ends of the driving members 421 are provided with connecting sleeves 43. Securing spout 44 with clip 42 while ensuring that spout 44 is coaxial with second sleeve 412.
At least 2 clamping portions 42 are provided, and clamping portions 42 clamp or unclamp spout 44. At least 2 clamping portions 42 facilitate securing spout 44 stationary.
The driving piece 421 drives the connecting sleeve 43 to close and clamp the spray pipe 44, and the driving piece 421 drives the connecting sleeve 43 to separate and loosen the spray pipe 44. The gripping or releasing of spout 44 is controlled by actuator 421. Adjusting the position of spout 44 by actuator 421 clamps spout 44 as spout 44 is sandblasted. Defining the position of the spout 44.
The driving member 421 is a cylinder, and when the driving member 421 clamps the nozzle 44. While the connecting sleeve 43 has a concave curvature so as to have a larger contact area with the nozzle 44.
While only certain embodiments of the present utility model have been described, it will be apparent to those skilled in the art that other modifications and improvements can be made without departing from the inventive concept of the present utility model.
Claims (10)
1. The pulse sand blowing device of the tubular reactor is characterized by comprising: the sand storage tank is connected with the positioning clamp, the sand storage tank is communicated with the positioning clamp, the control part is connected with the sand storage tank and the compressed air part, and the control part drives the sand storage tank and the compressed air part;
the sand storage tank is connected with the positioning clamp through a first pipeline;
the compressed air part is connected with the sand storage tank through a second pipeline.
2. The pulse sand blowing device of the tubular reactor of claim 1, wherein a sand adding port is arranged at the top of the sand storage tank, a first electromagnetic valve is arranged on the first pipeline, and a second electromagnetic valve is arranged on the second pipeline.
3. The pulse sand blasting apparatus of a tube array reactor according to claim 2, wherein the control part is connected to the first electromagnetic valve and controls the time of the first electromagnetic valve to be operated or closed, and the control part is connected to the second electromagnetic valve and controls the time of the second electromagnetic valve to be operated or closed.
4. The pulse sand blasting apparatus of a tubular reactor of claim 1, wherein the apparatus comprises: the device comprises a positioning part, a clamping part, a connecting sleeve and a spray pipe; the positioning part is connected with a clamping part, and the clamping part is detachably connected with the spray pipe; the positioning part, the clamping part, the connecting sleeve and the spray pipe are coaxially arranged.
5. The pulse sand blasting apparatus of claim 4, wherein the nozzle tip is removably coupled to the first conduit.
6. The pulse sand blasting apparatus of a tube array reactor of claim 4, wherein the positioning portion comprises: the coaxial driving device comprises a first sleeve, a second sleeve and a coaxial driving assembly, wherein the second sleeve is arranged in the first sleeve, the coaxial driving assembly is connected with the first sleeve and the second sleeve, the bottom of the coaxial driving assembly is fixedly connected with the second sleeve, the top of the coaxial driving assembly is propped against the first sleeve, and the central shafts of the second sleeve and the first sleeve are consistent through the coaxial driving assembly.
7. The pulse sand blasting apparatus of claim 6, wherein the coaxial drive assembly comprises: the spring, ball and connecting hole, the connecting hole sets up on first sheathed tube, the outer wall of the bottom fixed connection second sheathed tube of spring, spring drive ball is arranged in the connecting hole and is stretched out first sheathed tube outer wall.
8. The pulse sand blasting apparatus of claim 7, wherein the connecting hole is a circular arc hole, and the coaxial driving assembly is provided with a plurality of coaxial driving assemblies.
9. The pulse sand blasting apparatus of claim 4, wherein the clamping portion comprises at least 3 driving members, the driving members are disposed on an inner wall of the second sleeve and distributed in an annular array with an axis of the second sleeve as a center, and output ends of the driving members are provided with connecting sleeves.
10. The pulse sand blasting apparatus of claim 9, wherein the number of clamping parts is at least 2, the clamping parts clamp or unclamp the nozzle, the driving member drives the connecting sleeve to close and clamp the nozzle, and the driving member drives the connecting sleeve to separate and unclamp the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579466.6U CN220463530U (en) | 2023-03-22 | 2023-03-22 | Pulse sand blowing device of tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579466.6U CN220463530U (en) | 2023-03-22 | 2023-03-22 | Pulse sand blowing device of tubular reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220463530U true CN220463530U (en) | 2024-02-09 |
Family
ID=89805838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320579466.6U Active CN220463530U (en) | 2023-03-22 | 2023-03-22 | Pulse sand blowing device of tubular reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220463530U (en) |
-
2023
- 2023-03-22 CN CN202320579466.6U patent/CN220463530U/en active Active
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