CN108421502A - A kind of spiral shell dish-type gas distributor and its reactor of application - Google Patents
A kind of spiral shell dish-type gas distributor and its reactor of application Download PDFInfo
- Publication number
- CN108421502A CN108421502A CN201810493684.1A CN201810493684A CN108421502A CN 108421502 A CN108421502 A CN 108421502A CN 201810493684 A CN201810493684 A CN 201810493684A CN 108421502 A CN108421502 A CN 108421502A
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- Prior art keywords
- spiral shell
- distributor
- heat exchanger
- type
- type gas
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 125
- 239000012495 reaction gas Substances 0.000 claims description 31
- 239000002826 coolant Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012041 precatalyst Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0278—Feeding reactive fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0285—Heating or cooling the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
- B01J2208/00132—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00893—Feeding means for the reactants
- B01J2208/00911—Sparger-type feeding elements
Abstract
The invention discloses a kind of spiral shell dish-type gas distributor and its reactors of application, the spiral shell dish-type gas distributor includes distributor ontology, distributor ontology along one or more closed square tube that screw type is arranged by constituting, the inner cavity of one or more closed square tube constitutes the spiral shell disk channel of screw type, it is provided with cavity in the middle part of distributor ontology, the radial direction of distributor ontology is provided with more closed total square tubes, more total square tubes are communicated with spiral shell disk channel and cavity respectively, one or more groups of parallel heat exchanger tube mounting hole groups are offered on distributor ontology, every group of heat exchanger tube mounting hole group along distributor ontology multiple mounting holes that helically type is equidistantly arranged by forming, a heat exchanger tube is installed at each mounting hole, more heat exchanger tubes are communicated with spiral shell disk channel respectively.The gas distributor is simple in structure, uniform air distribution, reliable, and the structure of reactor of application is simple, easy to assembly, space availability ratio is high, uniform air distribution, catalyst loading and unloading material are convenient, reaction is efficient.
Description
Technical field
The present invention relates to a kind of chemical industry equipments, and in particular to a kind of spiral shell dish-type gas distributor and its reactor of application.
Background technology
It is designed with heat exchanger tube generally for the reactor to exchange heat is needed.Common heat exchanger tube spread pattern is arranged for equilateral triangle
Row, corner equilateral triangle arrangement, square arrangement and corner square arrangement, these stringings are in the form of a single, and heat exchanger tube is distributed not
It is enough uniform.For catalyst in the reactor of shell side, lead to synthesis gas in the tube side of heat exchanger tube, loading catalyst in shell side exists
The problem of be detrimental to arrangement catalyst dumping pit, the handling of catalyst are relatively difficult.In addition, existing reactor uses total ring
Pipe+heat exchange tube structure, weld seam is intensive between heat exchanger tube and endless tube, is not easy to detect, and easily reveals, and pipe bent position is easy to form part
High temperature.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of spiral shell dish-type gas distribution
Device and its reactor of application.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of spiral shell dish-type gas distributor, including point
Cloth device ontology, the distributor ontology along one or more closed square tube that screw type is arranged by constituting, described one
Or the inner cavity of more closed square tubes constitutes the spiral shell disk channel of screw type, and cavity is provided in the middle part of the distributor ontology,
The radial direction of the distributor ontology is provided with more closed total square tubes, described more total square tubes respectively with it is described
Spiral shell disk channel and the cavity communicate, and constitute between the square tube of the radially adjoining of the spiral shell dish-type gas distributor between having
Gap, to form screw type gap on the spiral shell dish-type gas distributor, offered on the distributor ontology one group or
The heat exchanger tube mounting hole group of multi-set parallel, heat exchanger tube mounting hole group described in every group is by along the distributor ontology helically type
The multiple mounting holes composition equidistantly arranged, is each equipped with a heat exchanger tube, the heat exchange described in more at the mounting hole
Pipe is communicated with the spiral shell disk channel respectively.
The spiral shell dish-type gas distributor of the present invention is simple in structure, uniform air distribution, reliable.The gas distributor is by along screw type
One or more closed square tube of arrangement is constituted, and axial dimension is small, is conducive to the space-saving of reactor.After installing and using,
Cloth form of tubes of the heat exchanger tube on the gas distributor is that screw type is equidistantly arranged, and is evenly distributed, be conducive to cooling medium and
Reaction gas uniformly passes in and out reaction zone, in addition, the spiral formed between the square tube of the radially adjoining of composition spiral shell dish-type gas distributor
Type gap can be used as charging and the discharge channel of catalyst, to effectively solve the problems, such as that catalyst reactor is difficult to load and unload.
The both ends of a kind of reactor, including cylinder, the cylinder are connected separately with upper cover and low head, the cylinder
It is provided with reaction zone in vivo, the upper and lower part of the cylinder is separately installed with a spiral shell dish-type gas distributor, two institutes
The spiral shell dish-type gas distributor stated is located at the surface and underface of the reaction zone, each spiral shell dish-type gas
Distributor includes distributor ontology, and the distributor ontology is by one or more closed square tube structure for arranging along screw type
The spiral shell disk channel of screw type is constituted at the inner cavity of, one or more closed square tube, in the distributor ontology
Portion is provided with cavity, and the radial direction of the distributor ontology is provided with more closed total square tubes, described more total sides
Pipe is communicated with the spiral shell disk channel and the cavity respectively, constitutes the radially adjoining of the spiral shell dish-type gas distributor
There is gap, to form screw type gap, the distributor ontology on the spiral shell dish-type gas distributor between square tube
On offer one or more groups of parallel heat exchanger tube mounting hole groups, the heat exchanger tube mounting hole group described in every group is by along the distribution
Device ontology multiple mounting holes that helically type is equidistantly arranged form, and a upright setting is equipped at each mounting hole
Heat exchanger tube, the top and bottom of the heat exchanger tube are separately mounted in the mounting hole described in one, the heat exchange described in more
The top and bottom of pipe are communicated with the spiral shell disk channel described in one respectively, be provided on the upper cover cooling media outlet,
Reaction gas air inlet and catalyst charge mouth are provided with cooling medium inlet and reaction gas gas outlet, institute on the low head
The catalyst charge mouth stated, the screw type gap on the spiral shell dish-type gas distributor of top, more heat exchanger tubes shell side, lower part spiral shell disk
Screw type gap and reaction gas gas outlet on type gas distributor are sequentially communicated, the cavity of lower part spiral shell dish-type gas distributor with
The cooling media outlet communicates, and the cavity of top spiral shell dish-type gas distributor is communicated with the cooling medium inlet.
The reactor of the present invention is with simple in structure, easy to assembly, space availability ratio is high, uniform air distribution, catalyst loading and unloading
Material is convenient, reacts efficient advantage.
The reactor of the present invention is in use, the pre- catalyst charge mouth that first passes through loads catalysis to the shell side of more heat exchanger tubes
Agent, then the reacted gas air inlet of reaction gas is introduced into reactor, reaction gas passes through the spiral on the spiral shell dish-type gas distributor of top
Type gap enters the shell side of more heat exchanger tubes, after reaction zone reaction, passes through the screw type on the spiral shell dish-type gas distributor of lower part
Enter reaction gas gas outlet behind gap, reactor is discharged.It is cold to reactor introducing through cooling medium inlet while reaction carries out
But medium, cooling medium are reached in the cavity of lower part spiral shell dish-type gas distributor, are distributed in spiral shell disk channel through more total square tubes,
And thus entering the tube side of more heat exchanger tubes, cooling medium passes through reaction zone and and reaction gas from bottom to top in more heat exchanger tubes
It is total by more of top spiral shell dish-type gas distributor in the spiral shell disk channel for fully reaching top spiral shell dish-type gas distributor after heat exchange
Square tube enters cooling media outlet after collecting, reactor is discharged.
In reaction process, by two uniform gas distributions of spiral shell dish-type gas distributor, heat exchanger tube is equidistantly arranged along screw type,
Heat exchanger tube is evenly distributed, and is conducive to cooling medium and reaction gas uniformly passes in and out reaction zone, avoid local high temperature zone in reaction zone
It generates, and gas axially flows in reaction zone along the upright heat exchanger tube that screw type is equidistantly arranged, is hit and pressure drop
It is small.Constitute the screw type gap that is formed between the square tube of the radially adjoining of spiral shell dish-type gas distributor as catalyst charging with
Discharge channel can effectively solve the problems, such as that catalyst reactor is difficult to load and unload.
In practical applications, the spacing size between the gap size between square tube and multiple mounting holes can be adjusted as needed,
To effectively avoid the generation of local high temperature zone.One or more groups of parallel heat exchanger tube mounting holes can be opened up on distributor ontology
Group, to install one or more groups of parallel heat exchanger tubes on distributor ontology, it is ensured that gas distribution efficiency improves gas distribution effect.
Preferably, being equipped with dump skip in the cylinder, the dump skip is located at lower part spiral shell dish-type gas distribution
The underface of device offers the venthole communicated with the reaction gas gas outlet on the dump skip.
Preferably, be equipped with upper perforated plate between the upper cover and the cylinder, the cylinder with it is described
Lower perforated plate is installed, the spiral shell dish-type gas distributor described in two is separately mounted to the upper perforated plate and described between low head
Lower perforated plate on, multiple charging holes arranged along screw type are provided on the upper perforated plate, multiple charging holes are just
Projection is fallen on the screw type gap for the spiral shell dish-type gas distributor installed on the upper perforated plate, multiple charging holes point
It is not communicated with the screw type gap on the shell side of the more heat exchanger tubes and top spiral shell dish-type gas distributor, the down tube
Multiple dumping pits arranged along screw type are provided on plate, the orthographic projection of multiple dumping pits is fallen on the lower perforated plate
On the screw type gap of the spiral shell dish-type gas distributor of installation, multiple dumping pits respectively with the more heat exchanger tubes
Screw type gap on shell side and lower part spiral shell dish-type gas distributor communicates.The design of above-mentioned charging hole and dumping pit, convenient for urging
The handling of agent, and improve the space availability ratio of reactor.
Preferably, being equipped with dump skip in the cylinder, the dump skip, which is located on the lower perforated plate, to be installed
Spiral shell dish-type gas distributor underface, offer the outlet communicated with the reaction gas gas outlet on the dump skip
Hole.
Compared with prior art, the invention has the advantages that：
1, spiral shell dish-type gas distributor disclosed by the invention is simple in structure, uniform air distribution, reliable.The gas distributor is by along spiral
One or more closed square tube of type arrangement is constituted, and axial dimension is small, is conducive to the space-saving of reactor.It installs and uses
Afterwards, cloth form of tubes of the heat exchanger tube on the gas distributor is that screw type is equidistantly arranged, and is evenly distributed, and cooling medium is conducive to
Reaction zone is uniformly passed in and out with reaction gas, in addition, the spiral shell formed between the square tube of the radially adjoining of composition spiral shell dish-type gas distributor
Rotation type gap can be used as charging and the discharge channel of catalyst, and to effectively solve, catalyst reactor is difficult to load and unload to ask
Topic.
2, reactor disclosed by the invention uses spiral shell dish-type gas distributor, the structure of reactor is simple, it is easy to assembly,
Space availability ratio height, uniform air distribution, catalyst loading and unloading material are convenient, reaction is efficient.In reaction process, pass through two spiral shell dish-type gases
The uniform gas distribution of distributor, heat exchanger tube are equidistantly arranged along screw type, and heat exchanger tube is evenly distributed, and are conducive to cooling medium and reaction gas
Uniformly disengaging reaction zone, avoids the generation of local high temperature zone in reaction zone, and gas is equidistantly arranged in reaction zone along screw type
The upright heat exchanger tube of cloth axially flows, and is hit small with pressure drop.Constitute the side of the radially adjoining of spiral shell dish-type gas distributor
Charging and discharge channel of the screw type gap formed between pipe as catalyst can effectively solve catalyst reactor handling
Difficult problem.
Description of the drawings
Fig. 1 is the structural schematic diagram of reactor in embodiment；
Fig. 2 is A-A sectional views in the Fig. 1 amplified after 4 times；
Fig. 3 is the partial structurtes connection diagram of spiral shell dish-type gas distributor and lower perforated plate in embodiment；
Fig. 4 is the vertical view of spiral shell dish-type gas distributor in the embodiment 5 for be equipped with heat exchanger tube.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
Embodiment 1, a kind of reactor, as shown in FIG. 1 to 3, including cylinder 1, the both ends of cylinder 1 are connected separately with envelope
First 11 and low head 12, reaction zone is provided in cylinder 1, and the upper and lower part of cylinder 1 is separately installed with a spiral shell dish-type gas
Distributor, two spiral shell dish-type gas distributors are located at the surface and underface of reaction zone, each spiral shell dish-type gas distribution
Device includes distributor ontology 2, and for distributor ontology 2 by being constituted along the more closed square tubes 21 that screw type is arranged, more closed
The inner cavity of square tube 21 constitutes the spiral shell disk channel 22 of screw type, and the middle part of distributor ontology 2 is provided with cavity 23, runs through distributor sheet
The radial direction of body 2 is provided with eight closed total square tubes 20, and eight total square tubes 20 are communicated with spiral shell disk channel 22 and cavity 23 respectively, structure
At having gap between the square tube of the radially adjoining of spiral shell dish-type gas distributor, to form spiral on spiral shell dish-type gas distributor
Type gap 26, offers one group of parallel heat exchanger tube mounting hole group 24 on distributor ontology 2, every group of heat exchanger tube mounting hole group 24 by
It is formed along the multiple mounting holes 25 that helically type is equidistantly arranged of distributor ontology 2, one is equipped at each mounting hole 25 directly
The heat exchanger tube 3 set is erected, the top and bottom of heat exchanger tube 3 are separately mounted in a mounting hole 25, the upper end of more heat exchanger tubes 3
It is communicated respectively with a spiral shell disk channel 22 with lower end, cooling media outlet 4,5 and of reaction gas air inlet is provided on upper cover 11
Catalyst charge mouth 6 is provided with cooling medium inlet 7 and reaction gas gas outlet 8, catalyst charge mouth 6, top on low head 12
Screw type gap 26 on spiral shell dish-type gas distributor, the shell side of more heat exchanger tubes 3, the spiral shell on the spiral shell dish-type gas distributor of lower part
Rotation type gap 26 and reaction gas gas outlet 8 are sequentially communicated, the cavity 23 of lower part spiral shell dish-type gas distributor and cooling media outlet 4
It communicates, the cavity 23 of top spiral shell dish-type gas distributor is communicated with cooling medium inlet 7, and dump skip 15 is equipped in cylinder 1, is unloaded
Hopper 15 is located at the underface of lower part spiral shell dish-type gas distributor, offers on dump skip 15 and is communicated with reaction gas gas outlet 8
Venthole（It is not shown in figure）.
A kind of 2 reactor of embodiment, as shown in FIG. 1 to 3, including cylinder 1, the both ends of cylinder 1 are connected separately with envelope
First 11 and low head 12, be provided with reaction zone in cylinder 1, upper perforated plate 13 be installed between upper cover 11 and cylinder 1, cylinder 1 with
Lower perforated plate 14 is installed between low head 12, the upper and lower part of cylinder 1 is separately installed with a spiral shell dish-type gas distributor, and two
A spiral shell dish-type gas distributor is separately mounted on upper perforated plate 13 and lower perforated plate 14, and two spiral shell dish-type gas distributors are located at
The surface and underface of reaction zone, each spiral shell dish-type gas distributor include distributor ontology, and distributor ontology is by along spiral
More closed square tubes 21 of type arrangement are constituted, and the inner cavity of more closed square tubes 21 constitutes the spiral shell disk channel 22 of screw type, point
It is provided with cavity 23 in the middle part of cloth device ontology, the radial direction of distributor ontology is provided with eight closed total square tubes 20, eight
Total square tube 20 is communicated with spiral shell disk channel 22 and cavity 23 respectively, between the square tube for constituting the radially adjoining of spiral shell dish-type gas distributor
With gap, to form screw type gap 26 on spiral shell dish-type gas distributor, offered on distributor ontology one group it is parallel
3 mounting hole group 24 of heat exchanger tube, every group of 3 mounting hole group 24 of heat exchanger tube by along distributor ontology helically type equidistantly arrange it is multiple
Mounting hole 25 forms, and a heat exchanger tube being uprightly arranged 3, the top and bottom point of heat exchanger tube 3 are equipped at each mounting hole 25
An Zhuan not be in a mounting hole 25, the top and bottom of more heat exchanger tubes 3 are communicated with a spiral shell disk channel 22 respectively, upper cover
It is provided with cooling media outlet 4, reaction gas air inlet 5 and catalyst charge mouth 6 on 11, cooling medium is provided on low head 12
Entrance 7 and reaction gas gas outlet 8, catalyst charge mouth 6, the screw type gap 26 on the spiral shell dish-type gas distributor of top, more
Shell side, the screw type gap 26 on the spiral shell dish-type gas distributor of lower part and the reaction gas gas outlet 8 of heat exchanger tube 3 are sequentially communicated, under
The cavity 23 of portion's spiral shell dish-type gas distributor is communicated with cooling media outlet 4, the cavity 23 of top spiral shell dish-type gas distributor with
Cooling medium inlet 7 communicates, and dump skip 15 is equipped in cylinder 1, dump skip 15 is located at the spiral shell dish-type gas installed on lower perforated plate 14
The underface of body distributor offers the venthole communicated with reaction gas gas outlet 8 on dump skip 15（It is not shown in figure）.
In embodiment 2, multiple charging holes 16 arranged along screw type are provided on upper perforated plate 13, multiple charging holes 16 are just
Projection fall on the screw type gap 26 for the spiral shell dish-type gas distributor installed on upper perforated plate 13, multiple charging holes 16 respectively with it is more
Screw type gap 26 on the shell side and top spiral shell dish-type gas distributor of root heat exchanger tube 3 communicates, and is provided on lower perforated plate 14 more
A dumping pit 17 along screw type arrangement, the orthographic projection of multiple dumping pits 17 fall the spiral shell dish-type gas point installed on lower perforated plate 14
On the screw type gap 26 of cloth device, multiple dumping pits 17 are distributed with the shell side of more heat exchanger tubes 3 and lower part spiral shell dish-type gas respectively
Screw type gap 26 on device communicates.
Embodiment 3, a kind of reactor is essentially identical with the structure of the reactor of embodiment 2, the difference is that, implement
In example 3, referring to Fig. 4, two groups of 3 mounting hole groups 24 of heat exchanger tube are offered on distributor ontology 2, run through the radial direction of distributor ontology 2
It is provided with four closed total square tubes 20.
Embodiment 4, a kind of spiral shell dish-type gas distributor, referring to Fig. 2, including distributor ontology 2, distributor ontology 2 is by edge
More closed square tubes 21 of screw type arrangement are constituted, and the inner cavity of more closed square tubes 21 constitutes the spiral shell disk channel of screw type
22, the middle part of distributor ontology 2 is provided with cavity 23, and the radial direction of distributor ontology 2 is provided with more closed total square tubes
20, more total square tubes 20 are communicated with spiral shell disk channel 22 and cavity 23 respectively, constitute the radially adjoining of spiral shell dish-type gas distributor
There is gap between square tube 21, to form screw type gap 26 on spiral shell dish-type gas distributor, offered on distributor ontology
One group of parallel heat exchanger tube mounting hole group 24, every group of heat exchanger tube mounting hole group 24 is by along distributor ontology, helically type is equidistantly arranged
Multiple mounting holes 25 of cloth form, and a heat exchanger tube 3 is equipped at each mounting hole 25, and more heat exchanger tubes 3 are logical with spiral shell disk respectively
Road 22 communicates.
Embodiment 5, a kind of spiral shell dish-type gas distributor, the basic phase of structure with the spiral shell dish-type gas distributor of embodiment 4
Together, it the difference is that, in embodiment 4, is installed as shown in figure 4, offering two groups of parallel heat exchanger tubes 3 on distributor ontology 2
Hole group 24 is provided with four closed total square tubes 20 through the radial direction of distributor ontology 2.
The course of work of the reactor of 1~embodiment of above-described embodiment 3 is：In use, first passing through catalyst charge mouth 6 in advance
Reactor is introduced to the shell side loading catalyst of more heat exchanger tubes 3, then by the reacted gas air inlet 5 of reaction gas, reaction gas passes through
Screw type gap 26 on the spiral shell dish-type gas distributor of top enters the shell side of more heat exchanger tubes 3, after reaction zone reaction, passes through
Enter reaction gas gas outlet 8 behind screw type gap 26 on the spiral shell dish-type gas distributor of lower part, reactor is discharged.What reaction carried out
Meanwhile cooling medium is introduced to reactor through cooling medium inlet 7, cooling medium reaches the chamber of lower part spiral shell dish-type gas distributor
It in body 23, is distributed in spiral shell disk channel 22 through more total square tubes 20, and thus enters the tube side of more heat exchanger tubes 3, cooling medium
It passes through reaction zone from bottom to top in more heat exchanger tubes 3 and reaches top spiral shell dish-type gas distributor after fully exchanging heat with reaction gas
Spiral shell disk channel 22 in, cooling media outlet 4, row are entered after being collected by more total square tubes 20 of top spiral shell dish-type gas distributor
Go out reactor.In reaction process, by two uniform gas distributions of spiral shell dish-type gas distributor, heat exchanger tube 3 is equidistantly arranged along screw type
Cloth, heat exchanger tube 3 are evenly distributed, and are conducive to cooling medium and reaction gas uniformly passes in and out reaction zone, avoid localized hyperthermia in reaction zone
The generation in area, and the axial flowing of upright heat exchanger tube 3 that gas is equidistantly arranged in reaction zone along screw type, be hit with
Pressure drop is small.It constitutes the screw type gap 26 formed between the square tube 21 of the radially adjoining of spiral shell dish-type gas distributor and is used as catalyst
Charging and discharge channel, can effectively solve the problems, such as that catalyst reactor is difficult to load and unload.
Claims (5)
1. a kind of spiral shell dish-type gas distributor, including distributor ontology, it is characterised in that：The distributor ontology is by along spiral
One or more closed square tube of type arrangement is constituted, and the inner cavity of one or more closed square tube constitutes screw type
Spiral shell disk channel is provided with cavity in the middle part of the distributor ontology, is provided with through the radial direction of the distributor ontology more
The closed total square tube of root, described more total square tubes are communicated with the spiral shell disk channel and the cavity respectively, described in composition
Spiral shell dish-type gas distributor radially adjoining square tube between there is gap, to shape on the spiral shell dish-type gas distributor
At screw type gap, one or more groups of parallel heat exchanger tube mounting hole groups are offered on the distributor ontology, described in every group
Heat exchanger tube mounting hole group by being formed along the distributor ontology multiple mounting holes that helically type is equidistantly arranged, Mei Gesuo
A piece heat exchanger tube is installed, the heat exchanger tube described in more is communicated with the spiral shell disk channel respectively at the mounting hole stated.
2. the both ends of a kind of reactor, including cylinder, the cylinder are connected separately with upper cover and low head, the cylinder
Inside it is provided with reaction zone, it is characterised in that：The upper and lower part of the cylinder is separately installed with a spiral shell dish-type gas distribution
Device, the spiral shell dish-type gas distributor described in two are located at the surface and underface of the reaction zone, each described
Spiral shell dish-type gas distributor includes distributor ontology, and the distributor ontology is by one or more closing for arranging along screw type
Square tube constitute, the inner cavity of one or more closed square tube constitutes the spiral shell disk channel of screw type, the distributor
It is provided with cavity in the middle part of ontology, the radial direction of the distributor ontology is provided with more closed total square tubes, it is described
More total square tubes are communicated with the spiral shell disk channel and the cavity respectively, constitute the diameter of the spiral shell dish-type gas distributor
To having gap between adjacent square tube, to form screw type gap, point on the spiral shell dish-type gas distributor
One or more groups of parallel heat exchanger tube mounting hole groups are offered on cloth device ontology, the heat exchanger tube mounting hole group described in every group is by along institute
The distributor ontology stated multiple mounting holes that helically type is equidistantly arranged form, and one is equipped at each mounting hole
The top and bottom of the heat exchanger tube being uprightly arranged, the heat exchanger tube are separately mounted in the mounting hole described in one, more institutes
The top and bottom for the heat exchanger tube stated are communicated with the spiral shell disk channel described in one respectively, and cooling Jie is provided on the upper cover
Matter outlet, reaction gas air inlet and catalyst charge mouth are provided with cooling medium inlet on the low head and reaction gas go out
Gas port, the catalyst charge mouth, the screw type gap on the spiral shell dish-type gas distributor of top, more heat exchanger tubes shell side,
Screw type gap and reaction gas gas outlet on the spiral shell dish-type gas distributor of lower part are sequentially communicated, lower part spiral shell dish-type gas distributor
Cavity communicated with the cooling media outlet, the cavity of top spiral shell dish-type gas distributor and the cooling medium inlet
It communicates.
3. a kind of reactor according to claim 2, it is characterised in that：Dump skip is installed in the cylinder, it is described
Dump skip be located at the underface of lower part spiral shell dish-type gas distributor, offer to go out with the reaction gas on the dump skip
The venthole that gas port communicates.
4. a kind of reactor according to claim 2, it is characterised in that：Pacify between the upper cover and the cylinder
Equipped with upper perforated plate, lower perforated plate is installed between the cylinder and the low head, the spiral shell dish-type gas distribution described in two
Device is separately mounted on the upper perforated plate and the lower perforated plate, is provided on the upper perforated plate multiple along screw type arrangement
Charging hole, the orthographic projection of multiple charging holes falls the spiral shell for the spiral shell dish-type gas distributor installed on the upper perforated plate
On rotation type gap, multiple charging holes respectively with the shell side of the more heat exchanger tubes and top spiral shell dish-type gas distributor
On screw type gap communicate, be provided with multiple dumping pits arranged along screw type on the lower perforated plate, it is described multiple to unload
The orthographic projection in material hole is fallen on the screw type gap for the spiral shell dish-type gas distributor installed on the lower perforated plate, and described is multiple
Dumping pit is communicated with the screw type gap on the shell side of the more heat exchanger tubes and lower part spiral shell dish-type gas distributor respectively.
5. a kind of reactor according to claim 4, it is characterised in that：Dump skip is installed in the cylinder, it is described
Dump skip be located at the underface of the spiral shell dish-type gas distributor installed on the lower perforated plate, offered on the dump skip
The venthole communicated with the reaction gas gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493684.1A CN108421502B (en) | 2018-05-22 | 2018-05-22 | Spiral-disk type gas distributor and reactor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493684.1A CN108421502B (en) | 2018-05-22 | 2018-05-22 | Spiral-disk type gas distributor and reactor using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108421502A true CN108421502A (en) | 2018-08-21 |
| CN108421502B CN108421502B (en) | 2023-11-10 |
Family
ID=63163859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN101249407A (en) * | 2008-04-10 | 2008-08-27 | 华东理工大学 | By-product steam combined axial flow gas-solid phase fixed bed catalyst chamber |
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