CN213915294U - Steam blowing device for maleic anhydride production - Google Patents

Steam blowing device for maleic anhydride production Download PDF

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Publication number
CN213915294U
CN213915294U CN202022916866.0U CN202022916866U CN213915294U CN 213915294 U CN213915294 U CN 213915294U CN 202022916866 U CN202022916866 U CN 202022916866U CN 213915294 U CN213915294 U CN 213915294U
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China
Prior art keywords
steam
pipeline
pipe
guide rod
maleic anhydride
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CN202022916866.0U
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马卫玠
董韶华
李军成
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Xinjiang Kailianjie Petrochemical Co ltd
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Xinjiang Kailianjie Petrochemical Co ltd
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Abstract

The utility model discloses a maleic anhydride production is with steam sweep device relates to chemical industry equipment and overhauls technical field, and when the purpose was avoided high-pressure steam to sweep the pipeline, the steam pipe suppressed the pressure and collapsed and open. The utility model discloses a main technical scheme does: maleic anhydride production is with steam purge device includes: the steam main pipeline is horizontally arranged, one end of the steam main pipeline is connected to a steam source, and the other end of the steam main pipeline is connected to a pipeline to be purged; the inclined pipeline inclines upwards, and the other end of the inclined pipeline is connected with the safety valve; the solenoid valve sets up in the steam trunk line, first guide bar fixed connection in the inside wall of inclined pipeline, second guide bar fixed connection in the lateral wall of inclined pipeline, first magnetic path sliding connection in first guide bar, second magnetic path sliding connection in second guide bar, first contact piece and second contact piece are connected respectively in the solenoid of solenoid valve, first contact piece and second contact piece set up respectively in the lower distolateral side of second guide bar.

Description

Steam blowing device for maleic anhydride production
Technical Field
The utility model relates to a chemical industry equipment overhauls technical field, especially relates to a maleic anhydride production is with steam sweep device.
Background
When the synthesis equipment of chemical products such as maleic anhydride and the like is overhauled, the technical means of chemical workers is to use high-pressure steam to purge a main material pipeline or a compressed air pipeline. However, since some of the fluid materials are continuously accumulated on the inner wall of the pipe and polymerization occurs to form high polymers, serious clogging of the pipe may be caused. However, in such a situation, the field operator cannot predict in advance, and forcibly uses high-pressure steam to purge, so that the pipeline is suppressed, the pipeline joint is broken, and the operator may be accidentally injured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a maleic anhydride production is with steam sweep device, the main objective is when avoiding high-pressure steam to sweep the pipeline, and the steam pipe way is suppressed pressure and collapses to open.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the utility model provides a maleic anhydride production is with steam sweep device, the device includes: the steam main pipeline, the pressure relief part and the control part;
the steam main pipeline is horizontally arranged, one end of the steam main pipeline is connected to a steam source, and the other end of the steam main pipeline is connected to a pipeline to be purged;
the pressure relief part comprises an inclined pipeline and a safety valve, one end of the inclined pipeline is connected to the upper surface of the pipe wall of the main steam pipeline, the inclined pipeline inclines upwards, and the other end of the inclined pipeline is connected to the safety valve;
the control part comprises an electromagnetic valve, a first guide rod, a first magnetic block, a second guide rod, a second magnetic block, a first contact block and a second contact block, the electromagnetic valve is arranged on the main steam pipeline, the inclined pipeline is positioned between the electromagnetic valve and the other end of the main steam pipeline, the first guide rod and the second guide rod respectively extend along the axial direction of the inclined pipeline, the first guide rod is fixedly connected to the inner side wall of the inclined pipeline, the second guide rod is fixedly connected to the outer side wall of the inclined pipeline, the first magnetic block is slidably connected to the first guide rod, the second magnetic block is slidably connected to the second guide rod and used for receiving the attraction force of the first magnetic block to synchronously slide, the first contact block and the second contact block are respectively connected to an electromagnetic coil of the electromagnetic valve, and the first contact block and the second contact block are respectively arranged on the lower end side of the second guide rod, the electromagnetic valve is used for simultaneously contacting the second magnetic block so as to electrify the electromagnetic coil of the electromagnetic valve, and therefore the valve core of the electromagnetic valve is in an open state.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Optionally, the inclined pipeline includes a front inclined pipeline and an arc-shaped pipe, one end of the front inclined pipeline is connected to the upper surface of the pipe wall of the main steam pipeline, the other end of the front inclined pipeline is connected to one end of the arc-shaped pipe, the other end of the arc-shaped pipe is connected to the safety valve, the front inclined pipeline is inclined upwards, and the other end of the arc-shaped pipe faces horizontally.
Optionally, the first magnetic block is connected to an air baffle plate, the air baffle plate is in clearance fit with the inner wall of the inclined pipeline, and a plurality of through holes are uniformly distributed on the air baffle plate.
Optionally, the other end of the main steam pipeline is connected to one end of a flexible pipe, and the other end of the flexible pipe is connected to a pipeline to be purged.
Optionally, the pipe wall of the main steam pipe is connected to a pressure gauge.
Optionally, the lower surface of the pipe wall of the main steam pipe is connected to the purge valve.
Optionally, the one end of steam trunk line can be dismantled and connect in the steam source, the other end can dismantle connect in the one end of flexible pipe, the other end of flexible pipe can be dismantled connect in waiting to sweep the pipeline.
Optionally, the steam generator further comprises a support frame, wherein the support frame is placed on the ground, and the steam main pipeline is horizontally and fixedly installed on the support frame.
Borrow by above-mentioned technical scheme, the utility model discloses at least, have following advantage:
the opposite ends of the main steam pipeline are respectively connected to a steam source and a pipeline to be purged by an operator, and steam is continuously blown out from the steam source to the pipeline to be purged. When a certain section of the radial section of the pipeline to be purged is blocked by high polymer, the pressure of the main steam pipeline is sharply increased. When the pressure in the main steam pipeline rises to the tripping pressure of the safety valve, the pressure-suppressed steam is discharged through the inclined pipeline. Continuously, the steam that lets out drives first magnetic path and follows first guide bar rebound, and first magnetic path drives second magnetic path rebound, thereby makes the second magnetic path break away from first contact piece and first contact piece, thereby makes the solenoid of solenoid valve break off, thereby makes the case of solenoid valve convert the off-state into, thereby stops the steam supply of steam source, thereby avoids the steam pipe way to suppress the pressure, thereby avoids the junction of steam pipe way to collapse and opens, thereby avoids causing unexpected injury to operating personnel.
Drawings
Fig. 1 is a schematic structural diagram of a steam purging device for maleic anhydride production according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 2.
Reference numerals in the drawings of the specification include: the device comprises a main steam pipeline 1, a pipeline 2 to be purged, an inclined pipeline 3, a safety valve 4, an electromagnetic valve 5, a first guide rod 6, a first magnetic block 7, a second guide rod 8, a second magnetic block 9, a first contact block 10, a second contact block 11, a forward inclined pipeline 31, an arc-shaped pipe 32, a choke plate 12, a through hole 13, a flexible pipe 14, a pressure gauge 15, a purge valve 16, a quick connector 17 and a support frame 18.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present invention provides a steam purging device for maleic anhydride production, which includes: the steam main pipeline 1, the pressure relief part and the control part;
the steam main pipeline 1 is horizontally arranged, one end of the steam main pipeline 1 is connected to a steam source, and the other end of the steam main pipeline 1 is connected to the pipeline 2 to be purged;
the pressure relief part comprises an inclined pipeline 3 and a safety valve 4, one end of the inclined pipeline 3 is connected to the upper surface of the pipe wall of the main steam pipeline 1, the inclined pipeline 3 inclines upwards, and the other end of the inclined pipeline 3 is connected to the safety valve 4;
the control part comprises an electromagnetic valve 5, a first guide rod 6, a first magnetic block 7, a second guide rod 8, a second magnetic block 9, a first contact block 10 and a second contact block 11, the electromagnetic valve 5 is arranged on the main steam pipeline 1, the inclined pipeline 3 is positioned between the electromagnetic valve 5 and the other end of the main steam pipeline 1, the first guide rod 6 and the second guide rod 8 respectively extend along the axial direction of the inclined pipeline 3, the first guide rod 6 is fixedly connected to the inner side wall of the inclined pipeline 3, the second guide rod 8 is fixedly connected to the outer side wall of the inclined pipeline 3, the first magnetic block 7 is slidably connected to the first guide rod 6, the second magnetic block 9 is slidably connected to the second guide rod 8 and used for receiving the attractive force of the first magnetic block 7 to slide synchronously, the first contact block 10 and the second contact block 11 are respectively connected to an electromagnetic coil of the electromagnetic valve 5, the first contact block 10 and the second contact block 11 are respectively disposed at the lower end side of the second guide rod 8, and are configured to simultaneously contact the second magnetic block 9, so as to energize the electromagnetic coil of the electromagnetic valve 5, thereby enabling the valve element of the electromagnetic valve 5 to be in an open state.
The steam blowing device for maleic anhydride production has the following working process:
the operator connects the opposite ends of the main steam pipe 1 to the steam source and the pipe 2 to be purged, respectively, and steam is continuously blown out from the steam source to the pipe 2 to be purged. When a certain section of the radial cross section of the pipe 2 to be purged is blocked by the high polymer, the pressure of the main steam pipe 1 rises sharply. When the pressure in the main steam pipeline 1 rises to the jump pressure of the safety valve 4, the pressure-suppressed steam is discharged through the inclined pipeline 3. Continuously, the steam that leaks drives first magnetic path 7 along first guide bar 6 rebound, first magnetic path 7 drives second magnetic path 9 rebound, thereby make second magnetic path 9 break away from first contact piece 10 and first contact piece 10, thereby make solenoid 5's solenoid break off, thereby make solenoid 5's case convert the off-state, thereby stop the steam supply in steam source, thereby avoid the steam pipe way to suppress pressure, thereby avoid the junction of steam pipe way to collapse and open, thereby avoid causing unexpected injury to operating personnel.
The technical scheme of the utility model in, through the timely pressure release of steam conduit, the automatic cutout air supply avoids high-pressure steam to collapse disconnected tube coupling department simultaneously to fundamentally avoids steam conduit to hinder the people incident.
Specifically, steam trunk line 1 and 3 integrated into one piece of slope pipeline all adopt the carbon fiber glass steel material, and first guide bar 6 and second guide bar 8 all adopt the carbon fiber glass steel material. On one hand, the pipe body made of the material has certain structural strength; meanwhile, the pipe body made of the material is not magnetic-conducting, so that the magnetic force of the first magnetic block 7 and the magnetic force of the second magnetic block 9 are prevented from being absorbed by the pipe body material, the driving force of the first magnetic block 7 to the second magnetic block 9 is prevented from being weakened, the electromagnetic coil of the electromagnetic valve 5 can be timely disconnected, and the steam supply of the steam source to the steam main pipe 1 is timely disconnected.
Specifically, the inclined duct 3 is inclined upward, and the first guide rod 6 and the second guide rod 8 extend in the axial direction of the inclined duct 3, respectively. When the pipeline is normally purged, pressure is not suppressed in the main steam pipeline 1, the safety valve 4 cannot be tripped by steam, continuously exhausted steam is not exhausted in the inclined pipeline 3, but a little steam fluctuation exists in the inclined pipeline 3, and the steam fluctuation may still generate disturbing force on the first magnetic block 7. The first magnetic block 7 is located at the lower end of the inclined first guide rod 6, and sufficient thrust is applied to enable the first magnetic block 7 to slide upwards, so that the disturbance force is prevented from easily changing the position of the first magnetic block 7, the first contact block 10 and the second contact block 11 are prevented from being separated from the second magnetic block 9, the electromagnetic coil of the electromagnetic valve 5 is prevented from being disconnected, and the valve core of the electromagnetic valve 5 cannot be closed when the pipeline is normally purged.
Specifically, the electromagnetic valve 5 is a direct-acting electromagnetic valve, when the electromagnetic valve is electrified, the electromagnetic coil of the electromagnetic valve 5 generates enough electromagnetic force to lift the moving part from the valve seat, and the valve is opened; when the power is cut off, the spring presses the moving part on the valve seat, and the valve is closed.
Specifically, the first contact block 10 and the second contact block 11 are both made of copper metal, and the first contact block 10 and the second contact block 11 are both fixedly connected to the outer side wall of the inclined pipeline 3, so that the first contact block 10 and the second contact block 11 are both stabilized at the lower end side of the second guide rod 8.
Specifically, the two ends of the first guide rod 6 are respectively and fixedly connected to the inner side wall of the inclined pipeline 3, the two ends of the second guide rod 8 are respectively and fixedly connected to the outer side wall of the inclined pipeline 3, the first magnetic block 7 is provided with a first sliding groove and used for being in clearance fit with the first guide rod 6, and the second magnetic block 9 is provided with a second sliding groove and used for being in clearance fit with the second guide rod 8.
As shown in fig. 1, in the embodiment, the inclined duct 3 includes a front inclined duct 31 and an arc-shaped pipe 32, one end of the front inclined duct 31 is connected to the upper surface of the pipe wall of the main steam pipe 1, the other end is connected to one end of the arc-shaped pipe 32, the other end of the arc-shaped pipe 32 is connected to the safety valve 4, the front inclined duct 31 is inclined upward, and the other end of the arc-shaped pipe 32 is oriented horizontally.
In the present embodiment, specifically, the upper end of the first guide bar 6 and the upper end of the second guide bar 8 have the same curvature as the curved pipe 32. If because steam is suppressed in the main steam pipeline 1, the safety valve 4 jumps, the first magnetic block 7 is pushed by high-pressure steam, and when the first magnetic block 7 drives the second magnetic block 9 to slide upwards to the other end of the arc-shaped pipe 32, the first magnetic block 7 is horizontally abutted against the safety valve 4, the second magnetic block 9 is also horizontally abutted against the safety valve 4, and the valve core of the electromagnetic valve 5 is closed. Meanwhile, the first magnetic block 7 and the second magnetic block 9 are separated from the front inclined pipeline 31 and are in a horizontal state, the self-reverse sliding cannot happen, the second magnetic block 9 cannot simultaneously contact the first contact block 10 and the second contact block 11 again, the electromagnetic coil of the electromagnetic valve 5 is prevented from being switched on again, and the valve core of the electromagnetic valve 5 is prevented from being automatically opened again.
When the situation happens, the device automatically stops steam purging, the steam source main valve is closed, and the pipeline 2 to be purged is disconnected from the steam main pipeline 1 so as to treat the pipeline 2 to be purged additionally.
Before the device is used for purging the next pipeline 2 to be purged, the main steam pipeline 1 is moved, the other end of the arc-shaped pipe 32 is inclined, so that the first magnetic block 7 and the second magnetic block 9 slide in opposite directions, the second magnetic block 9 is made to simultaneously contact the first contact block 10 and the second contact block 11 again, and the valve core of the electromagnetic valve 5 is opened again. After all preparation is finished, the other end of the main steam pipeline 1 is connected with the next pipeline 2 to be purged, and then a main steam source valve is opened.
As shown in fig. 1, 2 and 3, in the specific embodiment, the first magnetic block 7 is connected to a choke plate 12, the choke plate 12 is in clearance fit with the inner wall of the inclined duct 3, and a plurality of through holes 13 are uniformly distributed on the choke plate 12.
In the present embodiment, specifically, the choke plate 12 is fixedly attached to the first magnetic block 7. When the safety valve 4 jumps due to pressure build-up, high-pressure steam impacts the air baffle plate 12 and passes through the through holes 13, the force-bearing area of the air baffle plate 12 is large, and the pushing force exerted on the first magnetic block 7 is increased, so that the timely response capability of the upward sliding trend of the first magnetic block 7 to high-speed pressure relief steam is improved, and the second magnetic block 9 can be further separated from the first contact block 10 and the second contact block 11 in time.
As shown in fig. 1, in the specific embodiment, the other end of the main steam pipeline 1 is connected to one end of a flexible pipe 14, and the other end of the flexible pipe 14 is connected to the pipeline 2 to be purged.
In this embodiment, specifically, through the deformation of flexible pipe 14, can keep under the unchangeable circumstances of horizontality with main steam pipeline 1, wait to sweep pipeline 2 with main steam pipeline 1 intercommunication arbitrary inclination places. The main steam pipeline 1 is kept in a horizontal state, and the inclined pipeline 3 is arranged obliquely upwards, so that the first magnetic block 7 and the second magnetic block 9 can exert a control effect on the electromagnetic valve 5.
Specifically, the flexible tube 14 is made of rubber.
As shown in fig. 1, in the specific embodiment, the pipe wall of the main steam pipe 1 is connected to a pressure gauge 15.
In this embodiment, specifically, it is convenient for the operator to observe the pressure change in the main steam pipeline 1 in time.
In the embodiment shown in fig. 1, the lower surface of the pipe wall of the main steam pipe 1 is connected to a purge valve 16.
In the embodiment, specifically, when the purging is finished, the steam source, the main steam pipeline 1 and the pipeline 2 to be purged are disconnected, and the purge valve 16 is opened, so that steam condensate in the main steam pipeline 1 is completely discharged, and the first magnetic block 7 is prevented from being in a humid environment for a long time.
In a specific embodiment, one end of the main steam pipeline 1 is detachably connected to a steam source, the other end of the main steam pipeline is detachably connected to one end of the flexible pipe 14, and the other end of the flexible pipe 14 is detachably connected to the pipeline 2 to be purged.
In the present embodiment, specifically, each detachable connection relationship is realized by the quick connector 17. The quick connector 17 is readily available on the market and is easy to disassemble.
As shown in fig. 1, in the specific embodiment, the steam main pipe 1 further includes a support frame 18, the support frame 18 is placed on the ground, and the steam main pipe 18 is horizontally and fixedly installed on the support frame 18.
In this embodiment, in particular, the support frame 18 is wide at the bottom and narrow at the top, so as to provide stable support for the main steam pipe 1, so as to keep the main steam pipe 1 in a stable horizontal state.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a maleic anhydride production is with steam sweep device which characterized in that includes:
the steam main pipeline is horizontally arranged, one end of the steam main pipeline is connected to a steam source, and the other end of the steam main pipeline is connected to a pipeline to be purged;
the steam main pipeline is arranged on the steam inlet pipe, the steam inlet pipe is connected with the steam outlet pipe, the steam outlet pipe is connected with the steam inlet pipe, and the steam outlet pipe is connected with the steam outlet pipe;
a control part, the control part includes an electromagnetic valve, a first guide rod, a first magnetic block, a second guide rod, a second magnetic block, a first contact block and a second contact block, the electromagnetic valve is arranged on the steam main pipe, the inclined pipe is arranged between the electromagnetic valve and the other end of the steam main pipe, the first guide rod and the second guide rod extend along the axial direction of the inclined pipe respectively, the first guide rod is fixedly connected to the inner side wall of the inclined pipe, the second guide rod is fixedly connected to the outer side wall of the inclined pipe, the first magnetic block is slidably connected to the first guide rod, the second magnetic block is slidably connected to the second guide rod and used for receiving the attraction force of the first magnetic block and sliding synchronously, the first contact block and the second contact block are connected to the electromagnetic coil of the electromagnetic valve respectively, and the first contact block and the second contact block are arranged on the lower end side of the second guide rod respectively, the electromagnetic valve is used for simultaneously contacting the second magnetic block so as to electrify the electromagnetic coil of the electromagnetic valve, and therefore the valve core of the electromagnetic valve is in an open state.
2. The steam sweeping device for maleic anhydride production according to claim 1,
the inclined pipeline comprises a front inclined pipeline and an arc-shaped pipe, one end of the front inclined pipeline is connected to the upper surface of the pipe wall of the steam main pipeline, the other end of the front inclined pipeline is connected to one end of the arc-shaped pipe, the other end of the arc-shaped pipe is connected to the safety valve, the front inclined pipeline inclines upwards, and the other end of the arc-shaped pipe faces horizontally.
3. The steam sweeping device for maleic anhydride production according to claim 1,
the first magnetic block is connected to the air blocking plate, the air blocking plate is in clearance fit with the inner wall of the inclined pipeline, and a plurality of through holes are uniformly distributed in the air blocking plate.
4. The steam sweeping device for maleic anhydride production according to claim 1,
the other end of the steam main pipeline is connected to one end of a flexible pipe, and the other end of the flexible pipe is connected to a pipeline to be swept.
5. The steam sweeping device for maleic anhydride production according to claim 1,
the pipe wall of the main steam pipeline is connected to a pressure gauge.
6. The steam sweeping device for maleic anhydride production according to claim 1,
the lower surface of the pipe wall of the main steam pipeline is connected with the purge valve.
7. The steam sweeping device for maleic anhydride production according to claim 4,
one end of the steam main pipeline can be detachably connected to a steam source, the other end of the steam main pipeline can be detachably connected to one end of the flexible pipe, and the other end of the flexible pipe can be detachably connected to a pipeline to be swept.
8. Steam sweeping device for maleic anhydride production according to any one of claims 1 to 7,
the steam main pipeline is horizontally and fixedly arranged on the support frame.
CN202022916866.0U 2020-12-08 2020-12-08 Steam blowing device for maleic anhydride production Active CN213915294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022916866.0U CN213915294U (en) 2020-12-08 2020-12-08 Steam blowing device for maleic anhydride production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022916866.0U CN213915294U (en) 2020-12-08 2020-12-08 Steam blowing device for maleic anhydride production

Publications (1)

Publication Number Publication Date
CN213915294U true CN213915294U (en) 2021-08-10

Family

ID=77149586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022916866.0U Active CN213915294U (en) 2020-12-08 2020-12-08 Steam blowing device for maleic anhydride production

Country Status (1)

Country Link
CN (1) CN213915294U (en)

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