CN117225299A - Raw material inlet pipe fitting of propane dehydrogenation device reactor - Google Patents
Raw material inlet pipe fitting of propane dehydrogenation device reactor Download PDFInfo
- Publication number
- CN117225299A CN117225299A CN202311490348.9A CN202311490348A CN117225299A CN 117225299 A CN117225299 A CN 117225299A CN 202311490348 A CN202311490348 A CN 202311490348A CN 117225299 A CN117225299 A CN 117225299A
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- mounting
- exhaust
- plate
- pipe
- groove
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 239000001294 propane Substances 0.000 title claims abstract description 73
- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 41
- 239000002994 raw material Substances 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 15
- 239000003054 catalyst Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- 238000010586 diagram Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007704 transition Effects 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of propane dehydrogenation, in particular to a raw material inlet pipe fitting of a propane dehydrogenation device reactor, which comprises a mounting unit, a gas inlet pipe, a plurality of mounting pipes, a plurality of gas outlet holes and a plurality of gas outlet pipes, wherein the gas inlet pipe and the plurality of mounting pipes are arranged on the mounting pipes; the mounting pipes are fixed on the outer side of the air inlet pipe at equal intervals; the adjusting unit comprises a closing component and an installation shaft which are arranged in the exhaust pipe, and the adjusting component is arranged on the installation shaft in a sliding mode. According to the raw material introducing pipe fitting of the propane dehydrogenation device reactor, propane gas is collected in the installation pipe, when the internal pressure in the installation pipe is increased, the closed components in the exhaust pipes are simultaneously extruded and opened, the propane gas synchronously enters the exhaust pipes, and then is simultaneously discharged from the exhaust holes in the exhaust pipes to be contacted with the bottom of the catalytic bed, so that the phenomenon that the catalyst utilization effect is poor due to uneven contact between the propane gas and the catalytic bed is avoided.
Description
Technical Field
The invention relates to the technical field of propane dehydrogenation, in particular to a raw material inlet pipe fitting of a propane dehydrogenation device reactor.
Background
The propane dehydrogenation device reactor is characterized in that propane gas is introduced from the bottom of the reactor, and when passing through a catalytic bed in the reactor, the propane gas contacts with a catalyst in the catalytic bed to perform dehydrogenation reaction, and finally is discharged from the top of the reactor.
When the existing propane is introduced into the catalytic bed from the raw material pipe fitting, the flow speed and the pressure of the propane at the outlet of the raw material pipe fitting are large, and the propane directly contacts with the bottom of the catalytic bed, the catalyst in the catalytic bed can be impacted, so that the catalyst is worn, the service efficiency of the catalyst at the outlet of the raw material pipe fitting is high, the service efficiency of the catalyst at the periphery is low, and the integral catalytic efficiency can be influenced. The invention provides a raw material inlet pipe fitting of a propane dehydrogenation device reactor.
Disclosure of Invention
The present invention has been made in view of the above-mentioned problems of the conventional propane dehydrogenation reactor that the use efficiency of the catalyst is different when propane gas is introduced into the raw material introduction pipe.
Therefore, the invention aims to provide a raw material inlet pipe fitting of a propane dehydrogenation device reactor, which evenly distributes propane gas introduced into the reactor and controls the propane gas to be in omnibearing contact with a catalyst at the bottom of a catalytic bed.
In order to solve the technical problems, the invention provides the following technical scheme: the device comprises a mounting unit, a plurality of air inlet pipes, a plurality of mounting pipes, a plurality of exhaust pipes and a plurality of exhaust holes, wherein the mounting unit comprises an air inlet pipe, a plurality of mounting pipes, a plurality of exhaust pipes and a plurality of exhaust holes; the mounting pipes are fixed on the outer side of the air inlet pipe at equal intervals; the method comprises the steps of,
the adjusting unit comprises a closing component and an installation shaft, wherein the closing component and the installation shaft are arranged in the exhaust pipe, the adjusting component is arranged on the installation shaft in a sliding mode, the closing component is matched with the adjusting component, and the adjusting component is matched with the exhaust hole.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the closing component comprises a plurality of groups of arc-shaped mounting bars fixed with the inner wall of the exhaust pipe, a primary plate arranged on the mounting bars through hinges, a secondary plate arranged at the bottom of the primary plate through hinges, and a tertiary plate arranged at the bottom of the secondary plate through hinges; the bottoms of the three-stage plates are arc-shaped, and the bottoms of a plurality of three-stage plates are in sealing fit with the mounting shaft;
the primary plate is elastically connected with the exhaust pipe, the secondary plate is elastically connected with the primary plate, and the tertiary plate is elastically connected with the secondary plate;
the installation strips are spliced end to form a circular ring, and the side edges of the primary plates, the secondary plates and the tertiary plates are spliced end to form a circular ring.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the mounting shaft comprises a shaft body, a sealing ring, a groove arranged in the shaft body and an elastic piece arranged in the groove, and the contact surface of the sealing ring and the tertiary plate is an inclined surface;
the elastic piece is fixedly connected with the adjusting component;
the seal ring seals against the tertiary plate.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the adjusting unit comprises a sliding tube arranged on the shaft body in a sliding manner, a plurality of connecting columns arranged on the sliding tube, a sealing plate arranged on the connecting columns and a driving part arranged on the shaft body;
the number of the sealing plates is equal to that of the exhaust holes, and the sealing plates are in butt fit with the exhaust holes;
the driving part is matched with the three-stage plate and the slide tube, and the inner wall of the slide tube is fixedly connected with the elastic piece.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the driving part comprises a sliding ring and a driving ring which are arranged on the shaft body, a plurality of slots which are arranged on the driving ring, a plurality of push rods which are arranged on the sliding ring, a deflector rod which is arranged on the push rods, and a deflector rod which is inserted into the slots;
the sliding ring is in sliding connection with the shaft body, and the driving ring is fixedly connected with the sliding tube;
the slot is spiral; the push rod is matched with the three-stage plate in a propping way.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the lengths of the exhaust pipes are not consistent, and the number of the exhaust holes in the exhaust pipes is not equal.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the mounting unit further comprises a fixing unit, and the fixing unit is arranged between the mounting pipe and the air inlet pipe;
the fixing unit comprises a mounting frame arranged on the mounting tube, a plug connector arranged on the air inlet tube and a limiting assembly arranged on the mounting frame; the plug connector is matched with the mounting frame, and the limiting component is matched with the plug connector.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the mounting frame comprises a frame body, and an air outlet groove, a clamping groove and a limiting groove which are arranged in the frame body;
the air outlet groove is communicated with the mounting pipe;
the limiting groove is opposite to the air outlet groove and is matched with the air exhaust pipe;
the clamping groove is positioned between the limiting groove and the air outlet groove, and the clamping groove is communicated with the limiting groove and the air outlet groove.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the plug connector comprises a connecting ring and a hanging lug;
the connecting ring is fixedly connected with the exhaust pipe;
the two hanging lugs are arranged and are positioned at two ends of the connecting ring, and the hanging lugs are matched with the clamping grooves.
As a preferable scheme of the raw material inlet pipe fitting of the propane dehydrogenation unit reactor, the invention comprises the following steps: the limiting assembly comprises two mounting grooves arranged on the frame body, a limiting rod elastically arranged in the mounting grooves and a handle arranged at the end part of the limiting rod;
a fixed groove is formed in the hanging lug, and the limiting rod is matched with the fixed groove;
the end part of the limiting rod is provided with an inclined plane, and the limiting rod is in propping fit with the bottom of the hanging lug.
The invention has the beneficial effects that: through collecting propane gas in the installation pipe, when the internal pressure increases in the installation pipe, carry out simultaneous extrusion to the closure subassembly in a plurality of blast pipes and open, propane gas gets into in a plurality of blast pipes in step, later discharge simultaneously in the exhaust hole in the blast pipe and contact with the catalytic bed bottom, avoid propane gas and catalytic bed contact inhomogeneous lead to catalyst utilization effect poor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a feed introduction tube for a propane dehydrogenation unit reactor according to the present invention.
FIG. 2 is a schematic diagram of the structure of a regulating unit for feeding raw materials into a pipe of a reactor of a propane dehydrogenation unit according to the present invention.
FIG. 3 is a schematic view showing the structure of the exhaust pipe cut-away of the raw material introducing pipe of the propane dehydrogenation unit reactor of the present invention.
FIG. 4 is a schematic diagram of the closed assembly structure of the feed introduction tube of the propane dehydrogenation unit reactor of the present invention.
FIG. 5 is a schematic view showing the structure of the installation shaft of the raw material introducing pipe of the propane dehydrogenation unit reactor of the present invention.
FIG. 6 is a schematic diagram showing the structure of a driving part of a raw material introducing pipe of a propane dehydrogenation unit reactor according to the present invention.
FIG. 7 is a schematic diagram of the structure of a fixed unit of a feed introduction pipe of a propane dehydrogenation unit reactor according to the present invention.
FIG. 8 is a schematic view of the structure of the mounting frame of the raw material introducing pipe of the propane dehydrogenation unit reactor of the present invention.
FIG. 9 is a schematic diagram of the structure of a regulating assembly for the feed introduction pipe of the propane dehydrogenation unit reactor of the present invention.
In the figure: 100. an installation unit; 101. an air inlet pipe; 102. installing a pipe; 103. an exhaust pipe; 104. an exhaust hole; 200. an adjusting unit; 201. a closure assembly; 201a, mounting strips; 201b, primary plate; 201c, a secondary plate; 201d, three-stage plates; 202. a mounting shaft; 202a, a shaft body; 202b, a sealing ring; 202c, grooves; 202d, an elastic member; 203. an adjustment assembly; 203a, a slide tube; 203b, connecting posts; 203c, a sealing plate; 203d, a driving part; 203d-1, a slip ring; 203d-2, a drive ring; 203d-3, slots; 203d-4, push rod; 203d-5, a deflector rod; 300. a fixing unit; 301. a mounting frame; 301a, a frame body; 301b, an air outlet groove; 301c, a clamping groove; 301d, limit grooves; 301e, mounting slots; 302. a plug; 302a, a connecting ring; 302b, hangers; 302b-1, a fixed slot; 303. a limit component; 303a, a stop lever; 303b, handles.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1 referring to fig. 1 and 2, there is provided a raw material introducing pipe of a reactor of a propane dehydrogenation unit including a mounting unit 100 and a regulating unit 200, for a first embodiment of the present invention.
Wherein, the installation unit 100 includes an intake pipe 101 and a plurality of installation pipes 102, and installation pipes 102 are installed in the intake pipe 101 outside at equidistant intervals, and installation pipe 102 communicates with intake pipe 101, and installation pipe 102 is last to be installed a plurality of blast pipes 103 still, communicates between blast pipe 103 and the installation pipe 102, still is equipped with a plurality of exhaust holes 104 on the blast pipe 103.
The lengths of the plurality of exhaust pipes 103 are not consistent with each other, and the number of exhaust holes 104 on each exhaust pipe 103 is also not consistent, and the number of exhaust holes 104 on the exhaust pipe 103 with the longer length is more; the exhaust pipes 103 are arranged and spliced on the mounting pipe 102, the outlets of the exhaust holes 104 are combined to form an air outlet surface, the air outlet surface is positioned at the bottom of the reactor, meanwhile, the air outlet surface coincides with the cross section of the reactor, and propane gas can uniformly rise to contact with a catalytic bed layer in the reactor when being discharged from the air outlet surface, and is subjected to catalytic reaction.
Wherein, the adjusting unit 200 comprises a closing component 201 and a mounting shaft 202 which are arranged in the exhaust pipe 103, and an adjusting component 203 which is arranged on the mounting shaft 202 in a sliding way, wherein the closing component 201 is matched with the adjusting component 203, and the adjusting component 203 is matched with the exhaust hole 104;
in the initial state, the closing component 201 closes the exhaust pipe 103, so that gas in the installation pipe 102 is prevented from entering the exhaust pipe 103, the closing component 201 is extruded by the increase of the internal pressure of the installation pipe 102 along with the collection of propane gas in the installation pipe 102, and the closing component 201 is jacked up when the pressure is increased by a certain value, the propane gas enters the exhaust pipe 103 and is finally discharged from an air outlet surface formed by the exhaust hole 104; the propane gas introduced into the air inlet pipe 101 can be uniformly distributed into the plurality of air outlet pipes 103, and finally is uniformly discharged from the air outlet surface;
the number of the exhaust holes 104 on each exhaust pipe 103 is inconsistent, when the closing assembly 201 is opened, the same volume of propane gas enters the exhaust pipe 103, the larger the number of the exhaust holes 104 is, the smaller the flow velocity at the exhaust holes 104 is, the different flow velocities of the propane gas discharged from the exhaust holes 104 on the adjacent exhaust pipes 103 are, and the two propane gases with different flow velocities meet each other to generate chaotic impact, so that the propane gas is further uniformly mixed, and then contacts with a catalytic bed layer at the bottom of the reactor to perform catalytic reaction.
Further, the adjusting component 203 shields the exhaust hole 104, the opening size of the exhaust hole 104 can be adjusted, the larger the internal pressure of the installation tube 102 is, the larger the opening of the closing component 201 is, the closing component 201 contacts with the adjusting component 203 when opening, the opening of the exhaust hole 104 is further increased, the flow velocity of the exhaust hole 104 is reduced, the catalyst bed at the bottom of the reactor is prevented from being impacted by too fast flow velocity, and the catalyst in the catalyst bed can be protected from being broken by impact.
The use process is that the propane gas is introduced into the air inlet pipe 101 and is introduced into the plurality of mounting pipes 102, the propane gas is collected in the mounting pipes 102, the air pressure in the mounting pipes 102 is increased, the closing component 201 is jacked up when the air pressure in the mounting pipes 102 is increased to a certain degree, the propane gas uniformly enters the plurality of air inlet pipes 101, and finally the air outlet surface formed by the combination of the outlets of the plurality of air outlet holes 104 is discharged to be in contact reaction with the catalytic bed.
Embodiment 2, referring to fig. 3-6, is a second embodiment of the present invention, which differs from the first embodiment in that: the closing assembly 201 comprises a plurality of groups of arc-shaped mounting strips 201a, the bottom of each mounting strip 201a is hinged with a primary plate 201b, the bottom of each primary plate 201b is also hinged with a secondary plate 201c, the bottom of each secondary plate 201c is also hinged with a tertiary plate 201d, a plurality of mounting strips 201a are connected end to form a circular ring, the mounting strips 201a are fixedly mounted on the inner wall of the exhaust pipe 103, the side edges of the primary plates 201b, the secondary plates 201c and the tertiary plates 201d on the plurality of mounting strips 201a are spliced end to form a circular ring, the bottom of each tertiary plate 201d is arc-shaped, the bottoms of the plurality of tertiary plates 201d are spliced end to form a circular shape, and the bottoms of the tertiary plates 201d are in sealing fit with the mounting shaft 202;
further, the primary plate 201b is elastically connected with the exhaust pipe 103 through a first spring, the secondary plate 201c is elastically connected with the primary plate 201b through a second spring, the tertiary plate 201d is elastically connected with the secondary plate 201c, and the tertiary plate 201d is elastically connected with the secondary plate 201c through a third spring.
In the initial state, the side edges of the primary plate 201b, the secondary plate 201c and the tertiary plate 201d on the plurality of mounting strips 201a are spliced end to form a circular shape, the bottom of the tertiary plate 201d is spliced end to form a circular shape, and the bottom of the tertiary plate 201d is in sealing fit with the mounting shaft 202, so that the end part of the exhaust pipe 103 can be closed; propane gas cannot enter the exhaust pipe 103, and after the propane gas is collected in the installation pipe 102, the three-stage plate 201d can be pushed away when the air pressure in the installation pipe 102 is increased, and the propane gas enters the exhaust pipe 103;
further, the arrangement of the primary plate 201b, the secondary plate 201c and the tertiary plate 201d can adapt to various pressures, and when the corresponding pressures arrive, the tertiary plate 201d, the secondary plate 201c and the primary plate 201b can be respectively and sequentially jacked up.
The installation shaft 202 comprises a shaft body 202a, the shaft body 202a is fixedly installed at the bottom end of the exhaust pipe 103, a groove 202c is formed in the shaft body 202a, an elastic piece 202d fixedly connected with the adjusting assembly 203 is arranged in the groove 202c, the end part of the shaft body 202a is convex, a sealing ring 202b which is abutted against and sealed with the three-stage plate 201d is arranged on the end part of the convex shaft body 202a, the contact surface of the sealing ring 202b and the three-stage plate 201d is an inclined surface, the end part of the shaft body 202a is convex, a recess is formed between the sealing ring 202b and the shaft body 202a, and interference with the shaft body 202a cannot occur when the three-stage plate 201d rotates.
The adjusting unit 200 includes a sliding tube 203a slidably disposed on the shaft 202a, the inner side of the sliding tube 203a is fixedly connected with an elastic member 202d, the elastic member 202d may be made of a spring or a metal elastic sheet, a plurality of connecting columns 203b are fixedly connected to the sliding tube 203a, sealing plates 203c matched with the exhaust holes 104 are fixedly mounted on the connecting columns 203b, and the number of the sealing plates 203c is consistent with that of the exhaust holes 104; the shaft body 202a is also provided with a driving part 203d, and the driving part 203d controls the rotation of the slide tube 203a, thereby adjusting the opening size of the exhaust hole 104.
In the initial state, the sealing plate 203c partially overlaps the exhaust hole 104, and the sealing plate 203c shields the exhaust hole 104, thereby reducing the exhaust area of the exhaust hole 104.
Further, the driving part 203d comprises a sliding ring 203d-1 and a driving ring 203d-2 which are arranged on the shaft body 202a, a convex block is arranged on the inner side of the sliding ring 203d-1, a sliding groove is arranged on the shaft body 202a, the convex block is inserted into the sliding groove, the sliding ring 203d-1 can slide along the shaft body 202a, the driving ring 203d-2 is sleeved on the shaft body 202a, the driving ring 203d-2 is fixedly connected with the sliding tube 203a, a plurality of spiral slots 203d-3 are arranged on the driving ring 203d-2, a plurality of push rods 203d-4 matched with the three-stage plate 201d are arranged on the sliding ring 203d-1, and a deflector rod 203d-5 matched with the slots 203d-3 is arranged on the push rods 203 d-4;
when the push rod 203d-4 abuts against the three-stage plate 201d, the three-stage plate 201d pushes the push rod 203d-4 to move, so as to drive the push rod 203d-5 to move, and when the push rod 203d-5 moves, the inner wall of the slot 203d-3 is extruded, so that the driving ring 203d-2 and the sliding tube 203a rotate, thereby driving the sealing plate 203c to be staggered with the exhaust hole 104, and increasing the exhaust area of the exhaust hole 104.
In the initial state, the three-stage plate 201d is in contact and seal with the seal ring 202b, the push rod 203d-4 is not in contact with the three-stage plate 201d, a transition distance exists, the seal plate 203c is partially overlapped with the exhaust hole 104, the three-stage plate 201d is jacked up by increasing the air pressure in the installation pipe 102, the three-stage plate 201d rotates to be in contact with the push rod 203d-4, the push rod 203d-4 is not extruded, and propane gas enters the exhaust pipe 103 and is exhausted from the exhaust hole 104;
when the pressure inside the installation pipe 102 is increased to jack up the secondary plate 201c along with the entering of propane gas, the tertiary plate 201d continuously stretches out along with the rotation of the secondary plate 201c to drive the push rod 203d-4 to move, so that the push rod 203d-4 drives the deflector rod 203d-5 to move, the deflector rod 203d-5 moves to drive the driving ring 203d-2 to rotate, the driving ring 203d-2 rotates to drive the sliding pipe 203a, the connecting column 203b and the sealing plate 203c to rotate, after the sealing plate 203c rotates, the superposition area of the sealing plate 203c and the exhaust hole 104 is reduced, the exhaust area of the exhaust hole 104 is increased along with the increase of the pressure inside the installation pipe 102, the air flow speed at the exhaust hole 104 is ensured not to be excessively large, and the catalytic bed is protected.
Further, when the air pressure inside the mounting tube 102 increases to jack up the primary plate 201b, after the primary plate 201b rotates, the tertiary plate 201d further extends to squeeze the push rod 203d-4, and drives the sealing plate 203c to rotate again through the deflector 203d-5, the driving ring 203d-2, the sliding tube 203a and the connecting post 203b, so that the overlapping area of the sealing plate 203c and the exhaust hole 104 is further reduced, and the air flow speed at the exhaust hole 104 is ensured not to be excessively high.
The rest of the structure is the same as that of embodiment 1.
The use process is as follows: propane gas is introduced into the air inlet pipe 101 and enters the plurality of mounting pipes 102, the air pressure in the mounting pipes 102 is increased by converging the air pressure in the mounting pipes 102, when the air pressure in the mounting pipes 102 is increased to a certain degree, the three-stage plate 201d is firstly propped up to be in contact with the push rod 203d-4, then the propane gas is discharged from the air outlet pipe 103 and the air outlet hole 104, the two-stage plate 201c and the first-stage plate 201b are sequentially propped up along with the continuous increase of the air pressure in the mounting pipes 102, the push rod 203d-4 is extruded and moved by further stretching out of the three-stage plate 201d, and the sealing plate 203c is driven to rotate again by the deflector 203d-5, the driving ring 203d-2, the sliding pipe 203a and the connecting column 203b, so that the superposition area of the sealing plate 203c and the air outlet hole 104 is further reduced, and finally the propane gas is discharged from the air outlet pipe 103 and the air outlet hole 104.
Embodiment 3, referring to fig. 7-9, is a third embodiment of the present invention, which differs from the second embodiment in that: the mounting unit 100 further comprises a fixing unit 300, and the fixing unit 300 is disposed between the mounting pipe 102 and the air inlet pipe 101;
the fixing unit 300 includes a mounting frame 301 disposed on the mounting pipe 102 and a plug connector 302 disposed on the air inlet pipe 101, the plug connector 302 is plugged into the mounting frame 301 to limit, a limiting component 303 is further disposed on the mounting frame 301, and the limiting component 303 is fixed with the plug connector 302.
Further, the mounting rack 301 includes a rack body 301a, wherein an air outlet groove 301b, a clamping groove 301c and a limiting groove 301d are arranged in the rack body 301a, the air outlet groove 301b is communicated with the mounting pipe 102, the limiting groove 301d is opposite to the air outlet groove 301b, the clamping groove 301c is located between the limiting groove 301d and the air outlet groove 301b, and the clamping groove 301c is communicated with the limiting groove 301d and the air outlet groove 301 b; the plug 302 is inserted into the clamping groove 301c, the plug 302 abuts against the air outlet groove 301b, the plug 302 and the air outlet groove 301b are sealed through a sealing ring, and the exhaust pipe 103 is inserted into the limiting groove 301 d.
Further, the plug 302 includes a connection ring 302a and a hanging ring 302b, the connection ring 302a is fixedly connected with the exhaust pipe 103, the connection ring 302a is sealed against the air outlet groove 301b, two hanging rings 302b are provided, the two hanging rings 302b are located at two ends of the connection ring 302a, and the hanging rings 302b are inserted into the clamping groove 301 c.
Further, the limiting component 303 comprises two mounting grooves 301e arranged on the frame 301a, a limiting rod 303a is elastically arranged in the mounting grooves 301e, a handle 303b is arranged at the end part of the limiting rod 303a, the other end of the limiting rod 303a is inserted into the clamping groove 301c, an inclined plane is arranged at the end part of the limiting rod 303a positioned in the clamping groove 301c, the handle 303b is connected with the mounting grooves 301e through a fourth spring, a fixing groove 302b-1 is arranged in the hanging lug 302b, and the limiting rod 303a is inserted into the fixing groove 302b-1 to fix the hanging lug 302 b;
when the exhaust pipe 103 is installed, only the hanging lugs 302b are inserted into the clamping grooves 301c, meanwhile, the exhaust pipe 103 is inserted into the limiting grooves 301d, the hanging lugs 302b are contacted with the inclined surfaces of the limiting rods 303a during insertion, and the bottom of the hanging lugs 302b extrudes the limiting rods 303a, so that the limiting rods 303a are extruded and extend; the bottom of the limit groove 301d is set to be an arc attached to the exhaust pipe 103, after the exhaust pipe 103 is attached to the bottom of the limit groove 301d, the exhaust pipe 103 is rotated until the fixing groove 302b-1 is attached to the limit rod 303a, and the limit rod 303a is popped up and inserted into the fixing groove 302b-1 to fix the hanging lug 302b and the exhaust pipe 103, so that the rapid installation of the exhaust pipe 103 is completed, meanwhile, the exhaust pipe 103 is inserted from top to bottom, interference with the adjacent exhaust pipe 103 is avoided, and the installation is convenient.
The rest of the structure is the same as that of embodiment 2.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a raw materials of propane dehydrogenation unit reactor lets in pipe fitting, its characterized in that: comprising the steps of (a) a step of,
a mounting unit (100), the mounting unit (100) comprising an air inlet pipe (101) and a plurality of mounting pipes (102), a plurality of exhaust pipes (103) arranged on the mounting pipes (102), and a plurality of exhaust holes (104) arranged in the exhaust pipes (103); the mounting pipes (102) are fixed on the outer side of the air inlet pipe (101) at equal intervals; the method comprises the steps of,
the adjusting unit (200), the adjusting unit (200) including set up in closed subassembly (201) and installation axle (202) in blast pipe (103), slide set up in adjusting subassembly (203) on installation axle (202), closed subassembly (201) with adjusting subassembly (203) cooperate, adjusting subassembly (203) with exhaust hole (104) cooperate.
2. The propane dehydrogenation unit reactor feedstock feed pipe fitting of claim 1, wherein: the closing assembly (201) comprises a plurality of groups of arc-shaped mounting strips (201 a) fixed on the inner wall of the exhaust pipe (103), a primary plate (201 b) hinged on the mounting strips (201 a), a secondary plate (201 c) hinged on the bottom of the primary plate (201 b), and a tertiary plate (201 d) hinged on the bottom of the secondary plate (201 c); the bottoms of the three-stage plates (201 d) are arc-shaped, and the bottoms of a plurality of three-stage plates (201 d) are in sealing fit with the mounting shaft (202);
the primary plate (201 b) is elastically connected with the exhaust pipe (103), the secondary plate (201 c) is elastically connected with the primary plate (201 b), and the tertiary plate (201 d) is elastically connected with the secondary plate (201 c);
the installation strips (201 a) are spliced end to form a circular ring, and the side edges of the primary plates (201 b), the secondary plates (201 c) and the tertiary plates (201 d) are spliced end to form a circular ring.
3. The propane dehydrogenation unit reactor feedstock feed pipe fitting of claim 2, wherein: the mounting shaft (202) comprises a shaft body (202 a) and a sealing ring (202 b), a groove (202 c) arranged in the shaft body (202 a), and an elastic piece (202 d) arranged in the groove (202 c), wherein the contact surface of the sealing ring (202 b) and the tertiary plate (201 d) is an inclined surface;
the elastic piece (202 d) is fixedly connected with the adjusting component (203);
the sealing ring (202 b) seals against the tertiary plate (201 d).
4. A propane dehydrogenation unit reactor feedstock inlet pipe as in claim 3 wherein: the adjusting unit (200) comprises a sliding tube (203 a) arranged on the shaft body (202 a) in a sliding manner, a plurality of connecting columns (203 b) arranged on the sliding tube (203 a), a sealing plate (203 c) arranged on the connecting columns (203 b), and a driving part (203 d) arranged on the shaft body (202 a);
the number of the sealing plates (203 c) is equal to that of the exhaust holes (104), and the sealing plates (203 c) are in abutting fit with the exhaust holes (104);
the driving part (203 d) is matched with the three-stage plate (201 d) and the sliding tube (203 a), and the inner wall of the sliding tube (203 a) is fixedly connected with the elastic piece (202 d).
5. The propane dehydrogenation unit reactor feedstock feed pipe of claim 4, wherein: the driving part (203 d) comprises a sliding ring (203 d-1) and a driving ring (203 d-2) which are arranged on the shaft body (202 a), a plurality of slots (203 d-3) which are arranged on the driving ring (203 d-2), a plurality of push rods (203 d-4) which are arranged on the sliding ring (203 d-1), a deflector rod (203 d-5) which is arranged on the push rods (203 d-4), and the deflector rod (203 d-5) is inserted in the slots (203 d-3);
the sliding ring (203 d-1) is in sliding connection with the shaft body (202 a), and the driving ring (203 d-2) is fixedly connected with the sliding tube (203 a);
the slot (203 d-3) is spiral; the push rod (203 d-4) is matched with the three-stage plate (201 d) in a propping way.
6. The propane dehydrogenation unit reactor raw material inlet pipe fitting according to any one of claims 1 to 5, characterized in that: the lengths of the plurality of exhaust pipes (103) are not uniform, and the number of exhaust holes (104) in the plurality of exhaust pipes (103) is not equal.
7. The propane dehydrogenation unit reactor raw material inlet pipe fitting according to any one of claims 1 to 5, characterized in that: the mounting unit (100) further comprises a fixing unit (300), and the fixing unit (300) is arranged between the mounting pipe (102) and the air inlet pipe (101);
the fixing unit (300) comprises a mounting frame (301) arranged on the mounting pipe (102), a plug connector (302) arranged on the air inlet pipe (101) and a limiting assembly (303) arranged on the mounting frame (301); the plug connector (302) is matched with the mounting frame (301), and the limiting component (303) is matched with the plug connector (302).
8. The propane dehydrogenation unit reactor feedstock feed pipe fitting of claim 7, wherein: the mounting rack (301) comprises a rack body (301 a), and an air outlet groove (301 b), a clamping groove (301 c) and a limit groove (301 d) which are arranged in the rack body (301 a);
the air outlet groove (301 b) is communicated with the mounting pipe (102);
the limiting groove (301 d) is opposite to the air outlet groove (301 b), and the limiting groove (301 d) is matched with the air outlet pipe (103);
the clamping groove (301 c) is located between the limiting groove (301 d) and the air outlet groove (301 b), and the clamping groove (301 c) is communicated with the limiting groove (301 d) and the air outlet groove (301 b).
9. The propane dehydrogenation unit reactor feedstock feed pipe fitting of claim 8, wherein: the plug connector (302) comprises a connecting ring (302 a) and a hanging lug (302 b);
the connecting ring (302 a) is fixedly connected with the exhaust pipe (103);
two hanging lugs (302 b) are arranged, the two hanging lugs (302 b) are positioned at two ends of the connecting ring (302 a), and the hanging lugs (302 b) are matched with the clamping grooves (301 c).
10. The propane dehydrogenation unit reactor feedstock feed pipe fitting of claim 9, wherein: the limiting assembly (303) comprises two mounting grooves (301 e) arranged on the frame body (301 a), a limiting rod (303 a) elastically arranged in the mounting grooves (301 e), and a handle (303 b) arranged at the end part of the limiting rod (303 a);
a fixing groove (302 b-1) is formed in the hanging lug (302 b), and the limiting rod (303 a) is matched with the fixing groove (302 b-1);
the end part of the limiting rod (303 a) is provided with an inclined plane, and the limiting rod (303 a) is in abutting fit with the bottom of the hanging lug (302 b).
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| CN202311490348.9A CN117225299B (en) | 2023-11-10 | 2023-11-10 | Raw material inlet pipe fitting of propane dehydrogenation device reactor |
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| CN202311490348.9A CN117225299B (en) | 2023-11-10 | 2023-11-10 | Raw material inlet pipe fitting of propane dehydrogenation device reactor |
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| CN117225299A true CN117225299A (en) | 2023-12-15 |
| CN117225299B CN117225299B (en) | 2024-02-09 |
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| CN117225299B (en) | 2024-02-09 |
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