CN109847656A - Gas-solid short contact separator, gas-solid short contact system and application method - Google Patents

Gas-solid short contact separator, gas-solid short contact system and application method Download PDF

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Publication number
CN109847656A
CN109847656A CN201910295138.1A CN201910295138A CN109847656A CN 109847656 A CN109847656 A CN 109847656A CN 201910295138 A CN201910295138 A CN 201910295138A CN 109847656 A CN109847656 A CN 109847656A
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gas
solid
short contact
particle
tube structure
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CN109847656B (en
Inventor
张晨曦
魏飞
钱振
钱成伟
孙晓超
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Liaoning Gem Chemical Equipment Co Ltd
Tsinghua University
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Liaoning Gem Chemical Equipment Co Ltd
Tsinghua University
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Abstract

The present invention provides a kind of gas-solid short contact separator, gas-solid short contact system and application methods, the gas-solid short contact separator includes: tube structure shell, gas tangential inlet and particle entrance, particle outlet and the riser for being set to tube structure case top, wherein, particle entrance, for conveying first kind solid particle to tube structure shell, first kind solid particle includes: any one in catalyst, adsorbent and nuclei of crystallization medium;Gas tangential inlet, for conveying gas reactant to tube structure shell;In tube structure shell, gas reactant forms vortex, and carries solid particle and form gaseous product and the second class solid particle from bottom to rotary-top to realize gas reactant and first kind solid particle haptoreaction;Particle outlet, for exporting the second class solid particle for reaching tube structure case top;Riser is used for output gas product.

Description

Gas-solid short contact separator, gas-solid short contact system and application method
Technical field
The present invention relates to technical field of petrochemical industry, in particular to a kind of gas-solid short contact separator, gas-solid short contact System and application method.
Background technique
Reactor is a kind of equipment for realizing reaction process, since it can be used to implement single liquid phase reaction process and liquid The heterogeneous reaction process such as the solid, gas-liquid-solid of liquid, gas-liquid, liquid, are therefore widely used in the fields such as petrochemical industry.
Currently, for gas-particle two-phase reacts such as reactor of catalytic cracking reaction, adsorption reaction use, inside Various components such as gas distributor, solid particulate distributions plate, blender etc. are provided with, and the presence of inner member is often resulted in and is returned It is mixed.
Summary of the invention
The embodiment of the invention provides a kind of gas-solid short contact separator, gas-solid short contact system and application method, solutions The back-mixing problem for gas-solid reaction of having determined.
A kind of gas-solid short contact separator, comprising: tube structure shell is located at tube structure housing sidewall lower end Gas tangential inlet and particle entrance, positioned at tube structure housing sidewall upper end particle outlet and be set to described The riser of tube structure case top, wherein
The particle entrance, for conveying first kind solid particle, the first kind solid to the tube structure shell Particle includes: any one in catalyst, adsorbent and nuclei of crystallization medium;
The gas tangential inlet, for conveying gas reactant to the tube structure shell;
In the tube structure shell, the gas reactant forms vortex, and carries the solid particle from bottom To rotary-top, to realize the gas reactant and the first kind solid particle haptoreaction, formed gaseous product and Second class solid particle;
The particle outlet, for exporting the second class solid particle for reaching the tube structure case top;
The riser, for exporting the gaseous product.
Preferably,
The diameter range of the tube structure shell: 150mm~1000mm.
Preferably,
The altitude range of the tube structure shell: 1000mm~5000mm.
Preferably,
The diameter ratio of the diameter of the riser and the tube structure shell is 0.2-0.7;
Preferably,
One end of the riser is located in the tube structure shell, and the riser is inserted into the tube structure shell Length and the tube structure diameter of the housing ratio be 0.1~1.
Preferably, the gas tangential inlet, comprising: be set to the first perforation of tube structure housing sidewall lower end And first metal tube vertical with the tube structure housing sidewall, wherein
First metal tube one end is bonded with first perforation, is anchored in around first perforation.
Preferably, the particle entrance, comprising: be set to the pouring drop-wise perforation of tube structure housing sidewall lower end And second metal tube, wherein
One end of second metal tube is bonded with pouring drop-wise perforation, is anchored in the pouring drop-wise perforation week It encloses, second metal tube is made to tilt upward 15 degree~45 degree of angle between horizontal plane;
The distance at lower end to the tube structure housing bottom edge of the pouring drop-wise perforation is 0-150mm.
Preferably,
The particle outlet, comprising: be set to tube structure housing sidewall upper end second perforation and with it is described The vertical third metal tube of tube structure housing sidewall, wherein
Third metal tube one end is bonded with second perforation, is anchored in around second perforation.
A kind of gas-solid short contact system, comprising: at least one any of the above-described described gas-solid short contact separator and again Generating apparatus, wherein
Each described gas-solid short contact separator, for receiving first kind solid particle and gas reactant, benefit The vortex formed with the gas reactant, carries the solid particle from bottom to rotary-top, realizes the gas reaction Object and the first kind solid particle haptoreaction form gaseous product and the second class solid particle;
The regenerating unit, for receiving second solid of a gas-solid short contact separator conveying Grain, is regenerated as first kind solid particle for the second class solid particle, and the first kind solid particle is conveyed to one The gas-solid short contact separator.
Preferably,
When the number of the gas-solid short contact separator is at least two, at least two gas-solid short contact separation It just connects between device, the highest in trapezoidal the lowermost level-one gas-solid short contact separator and in trapezoidal top Grade gas-solid short contact separator is connect with regenerating unit respectively,
The level-one gas-solid short contact separator, for receiving the gas reactant of external conveying, and by portion gas Reactant is conveyed to the concatenated upper level gas-solid short contact separator of height;
The superlative degree gas-solid short contact separator, for receiving the first kind solid particle, and by described first Class solid particle and the second class solid particle of generation are conveyed to the concatenated next stage gas-solid short contact separator of height;
Gas-solid short contact separator described in every level-one, it is defeated for receiving corresponding upper level gas-solid short contact separator The gas reaction of the first kind solid particle sent and the conveying of corresponding next stage gas-solid short contact separator Object is vortexed by gas-solid and is contacted, and gas-particle two-phase reaction is completed;
The regenerating unit, for receiving the second class solid particle of the level-one gas-solid short contact separator conveying, And the first kind solid particle after regeneration is conveyed to the highest gas-solid short contact separator.
The application method of any of the above-described gas-solid short contact separator, comprising:
First kind solid particle is conveyed to tube structure shell by particle entrance, the first kind solid particle includes: Any one in catalyst, adsorbent and nuclei of crystallization medium;
Gas reactant is conveyed to the tube structure shell by gas tangential inlet;
In the tube structure shell, the gas reactant forms vortex, and carries the solid particle from bottom To rotary-top, to realize the gas reactant and the first kind solid particle haptoreaction, formed gaseous product and Second class solid particle;
The second class solid particle of the tube structure case top is reached by particle outlet output;
The gaseous product is exported by riser.
Above-mentioned gas-solid short contact systematic difference method, comprising:
First kind solid particle and gas reactant are received using at least one gas-solid short contact separator, utilizes institute The vortex for stating gas reactant formation carries the solid particle from bottom to rotary-top, realize the gas reactant with The first kind solid particle haptoreaction forms gaseous product and the second class solid particle;
Second solid particle that a gas-solid short contact separator conveying is received using regenerating unit, by institute It states the second class solid particle and is regenerated as first kind solid particle, and the first kind solid particle is conveyed to the gas-solid Short contact separator.
The embodiment of the invention provides a kind of gas-solid short contact separator, gas-solid short contact system and application methods, lead to The gas tangential inlet for crossing gas-solid short contact separator enters the intracorporal gas reactant of tube structure shell and forms vortex, should Vortex carries solid particle from bottom to rotary-top, to realize gas reactant and first kind solid particle haptoreaction, shape At gaseous product and the second class solid particle, the gaseous product for reaching top is discharged from riser, reaches second class at top Solid particle is exported from solid particle and is discharged, and on the one hand in tube structure shell, there is no components to stop air-flow, another aspect The upper end of tube structure housing sidewall is arranged in grain outlet, since the centrifugal force that vortex generates can make the solid particle for reaching top It is thrown on particle outlet and tube structure enclosure interior side wall, is exported from particle outlet, solid particle will not produce vortex Raw any influence, so as to avoid the generation of back-mixing problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.
Fig. 1 is a kind of sectional view of gas-solid short contact separator provided by one embodiment of the present invention;
Fig. 2 is that solid particle and gas trend and distribution are shown in gas-solid short contact separator provided in an embodiment of the present invention It is intended to;
Fig. 3 is the relation structure diagram of tube structure housing sidewall and gas tangential inlet provided in an embodiment of the present invention;
Fig. 4 is the relation structure diagram of tube structure housing sidewall and particle entrance provided in an embodiment of the present invention;
Fig. 5 is the relation structure diagram of a kind of tube structure housing sidewall and particle outlet provided in an embodiment of the present invention;
Fig. 6 is the relation structure diagram of another tube structure housing sidewall and particle outlet provided in an embodiment of the present invention;
Fig. 7 is a kind of the schematic diagram of the section structure of gas-solid short contact system provided in an embodiment of the present invention;
Fig. 8 is the schematic diagram of the section structure of another gas-solid short contact system provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of gas-solid short contact separator, gas-solid short contact separation dress Set includes: that tube structure shell 101, the gas tangential inlet 102 positioned at tube structure housing sidewall lower end and particle enter Mouthfuls 103, positioned at tube structure housing sidewall upper end particle outlet 104 and be set to the tube structure case top Riser 105, wherein
The particle entrance 103, for the tube structure shell 101 convey first kind solid particle, described first Class solid particle includes: any one in catalyst, adsorbent and nuclei of crystallization medium;
The gas tangential inlet 102, for conveying gas reactant to the tube structure shell 101;
In the tube structure shell 101, the gas reactant forms vortex, and carries the solid particle bottom of from Portion is to rotary-top, to realize the gas reactant and the first kind solid particle haptoreaction, formed gaseous product with And the second class solid particle;
The particle outlet 104, for exporting the second class solid particle for reaching the tube structure case top;
The riser 105, for exporting the gaseous product.
For gas-solid short contact separator shown in FIG. 1, the gas by gas-solid short contact separator is tangential Entrance enters the intracorporal gas reactant of tube structure shell and forms vortex, which carries solid particle and revolve from bottom to top Turn, to realize gas reactant and first kind solid particle haptoreaction, forms gaseous product and the second class solid particle, arrive It is discharged up to the gaseous product at top from riser, the second class solid particle for reaching top is exported from solid particle to be discharged, a side In tube structure shell, there is no components to stop air-flow in face, and the upper of tube structure housing sidewall is arranged in another aspect particle outlet End, since the centrifugal force that vortex generates can make the solid particle for reaching top be thrown to particle outlet and tube structure enclosure interior It on side wall, is exported from particle outlet, solid particle will not generate any influence to vortex, so as to avoid the production of back-mixing problem It is raw.
It is to be appreciated that it is that this feature structure is realized by gas tangential inlet that gas reactant, which forms vortex,.
Wherein, in tube structure shell, gas reactant forms vortex, and carries solid particle and revolve from bottom to top Turn, solid particle is enable to be scattered in the intracorporal reaction compartment of tube structure shell, the vortex and solid that gas reactant is formed Grain distribution as shown in Fig. 2, from figure 2 it can be seen that formed vortex gas reactant come into full contact with solid particle, connecing Gaseous product is formed during touching, when reaching the top of tube structure shell, solid particle forms close Xiang Huan, the close Xiang Huan Presence so that gaseous product reflux is entered riser, from riser export, simultaneously as vortex generate centrifugal force make solid Grain is exported from particle outlet.
Wherein it is possible to understand ground, the second solid particle is generated by the first solid particle, when the first solid particle is to urge When agent, the second solid particle is to lose amount of activated catalyst, when the first solid particle is adsorbent, the second solid Grain is the adsorbent of adsorbed gas, and when the first solid particle is nuclei of crystallization medium, the second solid particle is gas reactant Crystalline solid.
It is to be appreciated that gas reactant can be the exhaust gas etc. of factory's discharge when the first solid particle is adsorbent, Gaseous product is to remove poisonous fume such as alkanes, aromatic hydrocarbons, alcohols, ketone, phenols, aldehydes, esters, amine, cyanogen, nitrile etc. to have Machine exhaust gas;When the first solid particle is nuclei of crystallization medium, gaseous product is the gas not being crystallized in gas reactant.
The tube structure housing sidewall lower end referred in invention, generally refers in tube structure housing sidewall, close Or close to the region of tube structure housing bottom.
The tube structure housing sidewall upper end referred in invention, generally refers in tube structure housing sidewall, close Or close to the region of tube structure case top.
In addition, by being found with the consistent separator comparison of existing specification, gas-solid short contact provided by the invention point It can make gas reactant and twice or more that solid particle contact duration is existing gas-solid short contact separator from device, Time of contact is longer, so that gas reactant reaction is more complete, obtained gaseous product is more, i.e., yield is higher.
During vortex carries solid particle from bottom to rotary-top, vortex can make the solid particle dispersions of accumulation, Compared with the solid particle of accumulation, make gas reactant and dispersion solid particle that there is bigger contact specific surface area, and solid The extra specific surface area of particle, on the one hand, rotation high centrifugal force effect under, may make gas reactant transmitting (heat transfer and Mass transfer) greatly enhance, on the other hand, the reactivity of gas reactant is further improved, that is, further improves gaseous product Yield.
In addition, gas-solid short contact separator provided by the invention carries out gas solid separation by centrifugal action, meet atmosphere Gu treating capacity.
In an embodiment of the invention, in order to guarantee the flow velocity of the vortex formed in tube structure shell, the cylinder The diameter range of body structure housing: 150mm~1000mm.
In an embodiment of the invention, in order to enable gas reactant to come into full contact with solid particle, simultaneously Meet industrial production demand, the altitude range of the tube structure shell: 1000mm~5000mm.
In an embodiment of the invention, in order to enable gaseous product to be smoothly discharged, while the hair of back-mixing is avoided Raw, the diameter ratio of the diameter of the riser and the tube structure shell is 0.2-0.7.
In an embodiment of the invention, one end of the riser is located in the tube structure shell, described liter of gas Pipe is inserted into the length of the tube structure shell and the tube structure diameter of the housing ratio is 0.1~1, and this set can be into one Step avoids the generation of back-mixing.
In an embodiment of the invention, as shown in figure 3, the gas tangential inlet 102, comprising: be set to the cylinder First perforation 1021 of body structure housing side wall lower ends and first metal tube vertical with the tube structure housing sidewall 1022, wherein
Described first metal tube, 1022 one end is bonded with first perforation 1021, is anchored in around first perforation. The diameter of i.e. first perforation is vertical with the axis of the first metal tube.Wherein, which may be either columned for rectangle , then the shape of the first perforation and one end of metal tube match.It is to be appreciated that the first perforation that Fig. 3 is provided is circular hole knot Structure, the hole of other shapes can carry out simple replacement to borehole structure can be realized, and details are not described herein
As shown in figure 4, in an embodiment of the invention, particle entrance 103, comprising: be set to the tube structure shell The pouring drop-wise perforation 1031 of body sidewall lower end and the second metal tube 1032, wherein one end of second metal tube 1032 It is bonded with pouring drop-wise perforation 1031, is anchored in around the pouring drop-wise perforation 1031, makes second metal tube 1032 angles tilted upward between horizontal plane are 15 degree~45 degree;The lower end of pouring drop-wise perforation is to the tube structure shell The distance of body bottom margin is 0-150mm.Wherein, pouring drop-wise is perforated with conducive to the mixing between gas-solid.
In order to meet the needs of different, the present invention provides two kinds of particle outlet, the two kinds of particle outlet Be conducive to the output of the second solid particle.
Wherein, different particle types outlet is as shown in figure 5, particle outlet 104, comprising: is set to the tube structure shell The second perforation 1041A and third metal tube 1042A vertical with the tube structure housing sidewall of body sidewall upper end, In,
Described one end third metal tube 1042A is bonded with the second perforation 1041A, is anchored in second perforation Around 1041A.
Another different particle types outlet is as shown in fig. 6, particle outlet 104, comprising: is set to tube structure shell side The inclination drops perforation 1041B and the 4th metal tube 1042B of wall upper end, wherein
One end of the 4th metal tube 1042B is bonded with inclination drops perforation 1041B, is anchored in the inclination Drops is perforated around 1041B, makes the 4th metal tube 1042B diagonally downward.
For any of the above-described kind of gas-solid short contact separator, particle entrance and gas tangential inlet are in tube structure The not stringent restriction in the relative position of housing sidewall lower end, still, in general, compared with particle entrance, gas tangentially enters Mouth is closer to tube structure housing bottom.
The application method process of any of the above-described gas-solid short contact separator, includes the following steps A1~A5:
A1: first kind solid particle, the first kind solid particle packet are conveyed to tube structure shell by particle entrance It includes: any one in catalyst, adsorbent and nuclei of crystallization medium;
A2: gas reactant is conveyed to the tube structure shell by gas tangential inlet;
A3: in the tube structure shell, the gas reactant forms vortex, and carries the solid particle bottom of from Portion is to rotary-top, to realize the gas reactant and the first kind solid particle haptoreaction, formed gaseous product with And the second class solid particle;
A4: the second class solid particle of the tube structure case top is reached by particle outlet output;
A5: the gaseous product is exported by riser.
It, below will be with specific real in order to clearly illustrate the application method of above-mentioned gas-solid short contact separator Example is applied to be illustrated.
Respectively with device one: the diameter 150mm of tube structure shell, the height 1000mm of tube structure shell, riser Diameter and tube structure shell diameter ratio be 0.3 gas-solid short contact separator;Device two: tube structure shell Diameter 300mm, the height 1000mm of tube structure shell, the diameter of riser and the diameter ratio of tube structure shell are 0.3 Gas-solid short contact separator;Device three: the diameter 600mm of tube structure shell, the height 4000mm of tube structure shell, The gas-solid short contact separator that the diameter of riser and the diameter ratio of tube structure shell are 0.5;Device four: tube structure The diameter 800mm of shell, the height 4000mm of tube structure shell, the diameter of riser and the diameter ratio of tube structure shell For 0.8 gas-solid short contact separator;Device five: the diameter 300mm of tube structure shell, the height of tube structure shell The gas-solid short contact separator that 5000mm, the diameter of riser and the diameter ratio of tube structure shell are 1.5;Device six: The diameter 1500mm of tube structure shell, the height 1000mm of tube structure shell, the diameter and tube structure shell of riser Diameter ratio be 0.3 gas-solid short contact separator;Device seven: the diameter 1500mm of tube structure shell, tube structure The diameter of the height 5000mm of shell, riser separate dress with the gas-solid short contact that the diameter ratio of tube structure shell is 1.5 Set carry out catalytic cracking reaction.
During catalytic cracking reaction, gas reactant includes: crude oil;The solid particle includes: catalyst.Its In, it is 75 μm of fine powder, heap density is about 750kg/m that catalytic cracking catalyst, which is USY and auxiliary agent,3;Crude oil passes through preheating Tube structure shell is entered by gas tangential inlet at gaseous state;Gaseous feed oil and catalyst granules carry out gas-solid counter current contacting Reaction, the control contact residence time is about 0.5s, can be compared perfect catalytic cracking reaction.
With the diameter 750mm of tube structure shell, the height 5000mm of tube structure shell, the diameter and cylinder of riser The gas-solid short contact separator that the diameter ratio of structure housing is 0.3 adsorbs the formaldehyde in air using molecular sieve, Detailed process:
It is sieved by particle entrance to tube structure shell delivery of molecules, it is defeated to tube structure shell by gas tangential inlet Send the air with formaldehyde;In tube structure shell, air forms vortex, and carries molecular sieve from bottom to rotary-top, To realize air and molecular sieve haptoreaction;The formaldehyde adsorption of the tube structure case top is reached by particle outlet output Molecular sieve afterwards;Pass through the air after riser output absorption.It is found by detection, it can by the gas-solid short contact separator So that molecular sieve is to the adsorption rate of formaldehyde in air up to 85%.
With the diameter 500mm of tube structure shell, the height 2000mm of tube structure shell, the diameter and cylinder of riser The gas-solid short contact separator that the diameter ratio of structure housing is 1.5, using molecular sieve to two polycyclics penta in coking toluene Diene is adsorbed, detailed process:
It is sieved by particle entrance to tube structure shell delivery of molecules, it is defeated to tube structure shell by gas tangential inlet The coking toluene that reaction system generates before sending;In tube structure shell, air forms vortex, and carries molecular sieve from bottom To rotary-top, to realize coking toluene and molecular sieve haptoreaction;It is exported by particle outlet and reaches tube structure shell top Molecular sieve after the absorption dicyclopentadiene in portion;Pass through the coking toluene after riser output absorption.It is found, is led to by detection Crossing the gas-solid short contact separator may make molecular sieve to the adsorption rate of dicyclopentadiene in coking toluene up to 90%.
With the diameter 1050mm of tube structure shell, the height 4000mm of tube structure shell, the diameter and cylinder of riser The gas-solid short contact separator that the diameter ratio of body structure housing is 1.2 splits polymethyl methacrylate by active carbon Methyl methacrylate, ethyl acetate, methyl formate are adsorbed in solution technology waste gas, and absorption result can make after showing absorption The content of methyl methacrylate, ethyl acetate and methyl formate reaches discharge standard in exhaust gas.
With the diameter 600mm of tube structure shell, the height 5000mm of tube structure shell, the diameter and cylinder of riser The gas-solid short contact separator that the diameter ratio of structure housing is 0.5, crystallizes gaseous state isophthalodinitrile, specific mistake Journey:
Crystalline state isophthalodinitrile is conveyed to tube structure shell by particle entrance, by gas tangential inlet to cylinder knot Structure shell conveys gaseous state isophthalodinitrile;In tube structure shell, air formed vortex, and carry crystalline state isophthalodinitrile from Bottom is to rotary-top, and to realize that gaseous state isophthalodinitrile is contacted with crystalline state isophthalodinitrile, gaseous state isophthalodinitrile is in crystalline state The growth of isophthalodinitrile surface enrichment;It is exported by particle outlet and reaches the isophthalic two that the crystallization of tube structure case top generates Formonitrile HCN;The residual gas not being crystallized is exported by riser.
With the diameter 900mm of tube structure shell, the height 3000mm of tube structure shell, the diameter and cylinder of riser The gas-solid short contact separator that the diameter ratio of structure housing is 1.2, crystallizes gaseous state antifebrin, detailed process:
Crystalline state antifebrin is conveyed to tube structure shell by particle entrance, by gas tangential inlet to tube structure Shell conveys gaseous state antifebrin;In tube structure shell, air formed vortex, and carry crystalline state antifebrin from bottom to Rotary-top, to realize that gaseous state antifebrin is contacted with crystalline state antifebrin, gaseous state antifebrin is on crystalline state antifebrin surface Enrichment and growth;It is exported by particle outlet and reaches the antifebrin that the crystallization of tube structure case top generates;Pass through riser Export the residual gas not being crystallized.
The present invention provides a kind of gas-solid short contact system, comprising: at least one above-mentioned any gas-solid short contact separation Device and regenerating unit, wherein
Each described gas-solid short contact separator, for receiving first kind solid particle and gas reactant, benefit The vortex formed with the gas reactant, carries the solid particle from bottom to rotary-top, realizes the gas reaction Object and the first kind solid particle haptoreaction form gaseous product and the second class solid particle;
The regenerating unit, for receiving second solid of a gas-solid short contact separator conveying Grain, is regenerated as first kind solid particle for the second class solid particle, and the first kind solid particle is conveyed to one The gas-solid short contact separator.
To illustrate to include a gas-solid short contact separator and at least two in gas-solid short contact system respectively below When gas-solid short contact separator, the connection relationship of gas-solid short contact separator and regenerating unit.
As shown in fig. 7, the connection relationship of a gas-solid short contact separator and regenerating unit, gas-solid short contact separation dress It sets 701 particle entrance and the particle outlet of regenerating unit 702 passes through piping connection, of gas-solid short contact separator 701 Grain outlet and the particle outlet of regenerating unit 702 pass through piping connection.
When the number of the gas-solid short contact separator is at least two, at least two gas-solid short contact separators With the connection relationship of regenerating unit, just connect between at least two gas-solid short contact separators, wherein
Particle outlet in trapezoidal the lowermost level-one gas-solid short contact separator particle entrance and regenerating unit is logical Cross piping connection;The particle entrance of highest gas-solid short contact separator and regenerating unit in trapezoidal top passes through pipe Road connection.
Just series connection is mainly between at least two gas-solid short contact separators, level-one gas-solid short contact separator The gas tangential inlet of riser and second level gas-solid short contact separator passes through piping connection;For level-one gas-solid short contact point From other gas-solid short contact separators except device and highest gas-solid short contact separator, current gas-solid short contact point It is connected with the gas tangential inlet of corresponding upper level gas-solid short contact separator by pipeline from the riser of device, currently The particle outlet of gas-solid short contact separator passes through pipe with the particle entrance of corresponding next stage gas-solid short contact separator Road is connected.The then working method of gas-solid short contact system:
The level-one gas-solid short contact separator, for receiving the gas reactant of external conveying, and by portion gas Reactant is conveyed to the concatenated upper level gas-solid short contact separator of height;
The superlative degree gas-solid short contact separator, for receiving the first kind solid particle, and by described first Class solid particle and the second class solid particle of generation are conveyed to the concatenated next stage gas-solid short contact separator of height;
Gas-solid short contact separator described in every level-one, it is defeated for receiving corresponding upper level gas-solid short contact separator The gas reaction of the first kind solid particle sent and the conveying of corresponding next stage gas-solid short contact separator Object is vortexed by gas-solid and is contacted, and gas-particle two-phase reaction is completed;
The regenerating unit, for receiving the second class solid particle of the level-one gas-solid short contact separator conveying, And the first kind solid particle after regeneration is conveyed to the highest gas-solid short contact separator.
In order to clearly illustrate the connection relationship of at least two gas-solid short contact separators and regenerating unit, below By taking gas-solid short contact system shown in Fig. 8 includes three gas-solid short contact separators as an example, explanation is unfolded.
It can be seen from the figure that three gas-solid short contact separator (801,802 and 803) height are connected, wherein be in Trapezoidal the lowermost gas-solid short contact separator be level-one gas-solid short contact separator 801, according to trapezoidal upward series according to Secondary increase, the gas-solid short contact separator in top are three-level gas-solid short contact separator 803, and the three-level gas-solid is short Contact separation device is also the highest gas-solid short contact separator of the gas-solid short contact system.
The riser of level-one gas-solid short contact separator 801 and the gas of second level gas-solid short contact separator 802 are cut Pass through piping connection to entrance;The riser and three-level gas-solid short contact separator of second level gas-solid short contact separator 802 803 gas tangential inlet is connected by pipeline, and the particle outlet of second level gas-solid short contact separator 802 and level-one gas-solid are short The particle entrance for separateing device 801 is connected by pipeline.
The particle outlet of 801 particle entrance of level-one gas-solid short contact separator and regenerating unit 804 passes through piping connection; The particle entrance of three-level gas-solid short contact separator 803 and regenerating unit 804 passes through piping connection.
It is to be appreciated that, when gas-solid short contact system does catalysis system, can be catalyst for regenerating unit Regenerator;It can be the desorption column of adsorbent when gas-solid short contact system does adsorption system;When gas-solid short contact system is done It can be the cooler of crystallized product when crystal system.
It is to be appreciated that the corresponding upper level gas-solid short contact separator of every level-one gas-solid short contact separator, position In its upper level position, i.e. level-one gas-solid short contact separator, second level gas-solid short contact separator ..., highest gas-solid is short Device sequence is separate to increase.
A gas-solid short contact separator and regenerating unit are formed separately below gas-solid short contact system and at least The gas-solid short contact systematic difference method of two gas-solid short contact separators and regenerating unit composition is illustrated.
For the gas-solid short contact system that a gas-solid short contact separator and regenerating unit form, application side Method includes the following steps B1 and B2:
B1: receiving first kind solid particle and gas reactant using gas-solid short contact separator, anti-using gas The vortex for answering object to be formed carries solid particle from bottom to rotary-top, realizes gas reactant and the first kind solid Grain haptoreaction, forms gaseous product and the second class solid particle;
B2: the second solid particle of gas-solid short contact separator conveying is received using regenerating unit, by the second class solid Granules regeneration is first kind solid particle, and first kind solid particle is conveyed to gas-solid short contact separator.
For the gas-solid short contact system that at least two gas-solid short contact separators and regenerating unit form, answer Include the following steps C1~C4 with method:
C1: the external gas reactant conveyed is received using level-one gas-solid short contact separator, and portion gas is anti- Object is answered to be conveyed to the concatenated upper level gas-solid short contact separator of height;
C2: receiving first kind solid particle using highest gas-solid short contact separator, and by first kind solid particle And the second class solid particle generated is conveyed to the concatenated next stage gas-solid short contact separator of height;
C3: corresponding upper level gas-solid short contact separator is received using every level-one gas-solid short contact separator and is conveyed First kind solid particle and corresponding next stage gas-solid short contact separator conveying gas reactant, pass through gas-solid Gas-particle two-phase reaction is completed in vortex contact;
C4: the second class solid particle of level-one gas-solid short contact separator conveying is received using regenerating unit, and is conveyed First kind solid particle after regeneration gives highest gas-solid short contact separator.
In order to clearly demonstrate gas-solid short contact systematic difference method, will be unfolded to say with specific embodiment below It is bright.
Gas-solid short contact system is formed with two gas-solid short contact separators and desorption column, it is weary to coal mine using active carbon Methane in wind is adsorbed, and detailed process is as follows:
In a cycle period:
Second level gas-solid short contact separator receives the adsorbent of desorption column conveying, and is transported to level-one gas-solid short circuit Touch separator.
Level-one gas-solid short contact separator receives the external coal mine methane conveyed by being set to the tangential inlet of bottom, Coal mine methane is set to form vortex in gas-solid short contact separator, which can be by gas-solid short contact separator bottom Active carbon is from bottom to rotary-top, and in rotary course, active carbon is contacted with coal mine methane, adsorbs in the coal mine methane Methane.Coal mine methane carries active carbon and rotates to top, and a close phase particle ash ring is formed at the top of adsorbent bed, active at this time Charcoal can throw away from top and enter desorption column, and coal mine methane can then invert from riser and be delivered to second level gas-solid short contact separation dress It sets, and further the methane in coal mine methane is adsorbed in second level gas-solid short contact separator;
The active carbon for having adsorbed methane enters the bottom of desorption column, and 170 DEG C of vapor is passed through desorption column by bottom, and Across active carbon, methane is desorbed from active carbon, desorption column, regeneration is discharged by riser in 170 DEG C of vapor and methane Active carbon afterwards is promoted to second level gas-solid short contact separator by the outlet of side wall.
Gas-solid short contact system is formed with three gas-solid short contact separators and desorption column, using molecular sieve to coking first Dicyclopentadiene in benzene is adsorbed, and detailed process is as follows:
In a cycle period:
Level-one gas-solid short contact separator receives the external coking toluene conveyed by being set to the tangential inlet of bottom, So that coking toluene is formed vortex in adsorbent bed, the vortex can by the molecular sieve of adsorbent bed bottom from bottom to rotary-top, In rotary course, molecular sieve is contacted with coking toluene, adsorbs the dicyclopentadiene in the coking toluene.Coking toluene is taken Band molecular sieve is rotated to top, and a close phase particle ash ring is formed at the top of adsorbent bed, and molecular sieve can be thrown away from top at this time, And entering desorption column, coking toluene can then invert from riser and be delivered to second level gas-solid short contact separator, and in second level gas Gu adsorbed in short contact separator, the gas after absorption from riser enter three-level gas-solid short contact separator with Further absorption;Adsorbent in three-level gas-solid short contact separator is sequentially through second level gas-solid short contact separator, and one Grade gas-solid short contact separator enters desorption column, and correspondingly, the adsorbent in second level gas-solid short contact separator passes through Level-one gas-solid short contact separator enters desorption column.
The molecular sieve for having adsorbed dicyclopentadiene enters the bottom of desorption column, and 200 DEG C of dry air is led to by bottom Enter desorption column, and pass through molecular sieve, dicyclopentadiene is desorbed from molecular sieve, 200 DEG C of dry air and two polycyclics penta Desorption column is discharged by riser in diene, and the molecular sieve after regeneration is promoted to three-level gas-solid short contact point by the outlet of side wall From device.
The gas-solid short contact system formed using two gas-solid short contact separators and a cooler is carried out between gaseous state Benzene dicarbonitrile crystallization, detailed process is as follows:
In a cycle period:
Second level gas-solid short contact separator receives the crystalline state isophthalodinitrile of cooler conveying, and is transported to level-one Gas-solid short contact separator.
Level-one gas-solid short contact separator receives the external gaseous state isophthalic conveyed by being set to the tangential inlet of bottom Dimethoxy nitrile, makes gaseous state isophthalodinitrile form vortex in crystallizer, which can be by the crystalline state isophthalic two of crystalliser feet Formonitrile HCN is from bottom to rotary-top, and in rotary course, crystalline state isophthalodinitrile is contacted with gaseous state isophthalodinitrile, gaseous state isophthalic Dimethoxy nitrile is grown in crystalline state isophthalodinitrile surface enrichment.Gaseous state isophthalodinitrile carries crystalline state isophthalodinitrile and rotates to top Portion, and a close phase particle ash ring is formed at the top of crystallizer, crystalline state isophthalodinitrile can be thrown away from top at this time, and be entered cold But device, gaseous state isophthalodinitrile can then invert from riser and be delivered to second level gas-solid short contact separator, and in second level gas-solid It is further crystallized in short contact separator.
The crystalline state isophthalodinitrile that crystallization generates enters the bottom of cooler, and 25 DEG C of air is passed through cooler by bottom, And crystalline state isophthalodinitrile is passed through, so that crystalline state isophthalodinitrile is cooled to 30 DEG C, the air after heat absorption is discharged cold by riser But device.Partiallycrystalline states isophthalodinitrile after cooling is promoted to second level gas-solid short contact separator by the outlet of side wall, Remaining crystalline state isophthalodinitrile output.
The gas-solid short contact system formed using three gas-solid short contact separators and a cooler, makes gaseous state acetyl Aniline crystallization, detailed process is as follows:
In a cycle period:
Three-level gas-solid short contact separator receives the crystalline state antifebrin of cooler conveying, and it is delivered to two step by step Grade gas-solid short contact separator, level-one gas-solid short contact separator.
Level-one gas-solid short contact separator receives the external gaseous state conveyed by the gas tangential inlet of the side wall of cylinder The crystalline state antifebrin of antifebrin and the conveying of second level gas-solid short contact separator, the vortex formed using gaseous state antifebrin Control gaseous state antifebrin drives crystalline state antifebrin to rotate in its cylinder, connects crystalline state antifebrin with gaseous state antifebrin Touching, gaseous state antifebrin are grown in crystalline state antifebrin surface enrichment.Enter cooler by particle outlet and connecting line, remains Remaining gaseous state antifebrin is delivered to the separation of second level gas-solid short contact by the riser in level-one gas-solid short contact separator Device, the crystallization of second level gas-solid short contact separator further progress, the remaining gaseous state second of second level gas-solid short contact separator Anilide enters three-level gas-solid short contact separator, further to crystallize.
The bottom that obtained crystalline state antifebrin enters cooler is crystallized, 20 DEG C of nitrogen is passed through cooler by bottom, And crystalline state antifebrin is passed through, and so that crystalline state antifebrin is cooled to 25 DEG C, cooler is discharged by riser in the nitrogen after heat absorption, Partiallycrystalline states antifebrin after cooling is promoted to three-level gas-solid short contact separator, remaining crystalline substance by the outlet of side wall State antifebrin is exported.
Catalytic cracking is carried out with the gas-solid short contact system that at least one gas-solid short contact separator and regenerator form When reaction, gas reactant includes: crude oil;Solid particle includes: catalyst.
Catalytic cracking catalyst is USY and auxiliary agent, is 75 μm of fine powder, heap density is about 750kg/m3
Crude oil is preheated to gas-solid short contact separator (the i.e. level-one gas-solid short contact point that gaseous state enters the bottommost of system From device);Catalyst granules after regeneration is injected from top;Gaseous feed oil and catalyst granules progress gas-solid counter current contacting are anti- It answers;
The residence time of every level-one is about 0.5s.
Above-mentioned each embodiment, can at least reach it is following the utility model has the advantages that
1, tube structure in embodiments of the present invention, is entered by the gas tangential inlet of gas-solid short contact separator The intracorporal gas reactant of shell forms vortex, which carries solid particle from bottom to rotary-top, to realize gas reaction Object and first kind solid particle haptoreaction form gaseous product and the second class solid particle, reach the gaseous product at top It is discharged from riser, the second class solid particle for reaching top is exported from solid particle to be discharged, on the one hand in tube structure shell There is no components to stop air-flow, and the upper end of tube structure housing sidewall is arranged in another aspect particle outlet, since vortex generates Centrifugal force can make reach top solid particle be thrown on particle outlet and tube structure enclosure interior side wall, go out from particle Mouth output, solid particle will not generate any influence to vortex, so as to avoid the generation of back-mixing problem.
2, in embodiments of the present invention, the ultra short contact time of gas-solid is about 0.5s, i.e. quick separating after gas-solid contact, especially It is suitble to inactivate very fast reaction, such as catalytic cracking reaction etc..
3, in embodiments of the present invention, during vortex carries solid particle from bottom to rotary-top, vortex can make The solid particle dispersions of accumulation have gas reactant and dispersion solid particle bigger compared with the solid particle of accumulation Contact specific surface area, and the extra specific surface area of solid particle, on the one hand, under the high centrifugal force effect of rotation, may make gas On the other hand precursor reactant object transmitting (heat transfer and mass transfer) greatly enhancing further improves the reactivity of gas reactant, i.e., into One step improves gaseous product yield.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non- It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements, It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment Some elements.In the absence of more restrictions, the element limited by sentence " including one ", is not arranged Except there is also other identical factors in the process, method, article or apparatus that includes the element.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention, Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.

Claims (10)

1. a kind of gas-solid short contact separator characterized by comprising tube structure shell is located at the tube structure shell The gas tangential inlet and particle entrance of body sidewall lower end, positioned at tube structure housing sidewall upper end particle outlet and It is set to the riser of the tube structure case top, wherein
The particle entrance, for conveying first kind solid particle, the first kind solid particle to the tube structure shell It include: any one in catalyst, adsorbent and nuclei of crystallization medium;
The gas tangential inlet, for conveying gas reactant to the tube structure shell;
In the tube structure shell, the gas reactant forms vortex, and carries the solid particle from bottom to top Portion's rotation forms gaseous product and second to realize the gas reactant and the first kind solid particle haptoreaction Class solid particle;
The particle outlet, for exporting the second class solid particle for reaching the tube structure case top;
The riser, for exporting the gaseous product.
2. gas-solid short contact separator according to claim 1, which is characterized in that
The diameter range of the tube structure shell: 150mm~1000mm;
And/or
The altitude range of the tube structure shell: 1000mm~5000mm.
3. gas-solid short contact separator according to claim 1 or 2, which is characterized in that
The diameter ratio of the diameter of the riser and the tube structure shell is 0.2-0.7;
And/or
One end of the riser is located in the tube structure shell, and the riser is inserted into the length of the tube structure shell Degree is 0.1~1 with the tube structure diameter of the housing ratio.
4. gas-solid short contact separator according to any one of claims 1 to 3, which is characterized in that
The gas tangential inlet, comprising: be set to tube structure housing sidewall lower end first perforation and with it is described The first vertical metal tube of tube structure housing sidewall, wherein
First metal tube one end is bonded with first perforation, is anchored in around first perforation.
5. gas-solid short contact separator according to any one of claims 1 to 3, which is characterized in that
The particle entrance, comprising: be set to the perforation of pouring drop-wise and the second gold medal of tube structure housing sidewall lower end Belong to pipe, wherein
One end of second metal tube is bonded with pouring drop-wise perforation, is anchored in around the pouring drop-wise perforation, is made It is 15 degree~45 degree that second metal tube, which tilts upward the angle between horizontal plane,;
The distance at lower end to the tube structure housing bottom edge of the pouring drop-wise perforation is 0-150mm.
6. gas-solid short contact separator according to any one of claims 1 to 3, which is characterized in that
The particle outlet, comprising: be set to tube structure housing sidewall upper end second perforation and with the cylinder The vertical third metal tube of structure housing side wall, wherein
Third metal tube one end is bonded with second perforation, is anchored in around second perforation.
7. a kind of gas-solid short contact system characterized by comprising any gas-solid of at least one claim 1 to 6 is short It separate device and regenerating unit, wherein
Each described gas-solid short contact separator utilizes institute for receiving first kind solid particle and gas reactant The vortex for stating gas reactant formation carries the solid particle from bottom to rotary-top, realize the gas reactant with The first kind solid particle haptoreaction forms gaseous product and the second class solid particle;
The regenerating unit will for receiving second solid particle of a gas-solid short contact separator conveying The second class solid particle is regenerated as first kind solid particle, and the first kind solid particle is conveyed to the gas Gu short contact separator.
8. gas-solid short contact system according to claim 7, which is characterized in that
When the number of the gas-solid short contact separator is at least two, at least two gas-solid short contact separators Between just connect, in trapezoidal the lowermost level-one gas-solid short contact separator and in the highest gas of trapezoidal top Gu short contact separator is connect with regenerating unit respectively,
The level-one gas-solid short contact separator for receiving the gas reactant of external conveying, and portion gas is reacted Object is conveyed to the concatenated upper level gas-solid short contact separator of height;
The superlative degree gas-solid short contact separator, consolidates for receiving the first kind solid particle, and by the first kind Body particle and the second class solid particle of generation are conveyed to the concatenated next stage gas-solid short contact separator of height;
Gas-solid short contact separator described in every level-one, for receiving corresponding upper level gas-solid short contact separator conveying The first kind solid particle and the gas reactant of corresponding next stage gas-solid short contact separator conveying, lead to Gas-solid vortex contact is crossed, gas-particle two-phase reaction is completed;
The regenerating unit, for receiving the second class solid particle of the level-one gas-solid short contact separator conveying, and it is defeated First kind solid particle after sending regeneration is to the highest gas-solid short contact separator.
9. the application method of any gas-solid short contact separator of claim 1 to 6 characterized by comprising
First kind solid particle is conveyed to tube structure shell by particle entrance, the first kind solid particle includes: catalysis Any one in agent, adsorbent and nuclei of crystallization medium;
Gas reactant is conveyed to the tube structure shell by gas tangential inlet;
In the tube structure shell, the gas reactant forms vortex, and carries the solid particle from bottom to top Portion's rotation forms gaseous product and second to realize the gas reactant and the first kind solid particle haptoreaction Class solid particle;
The second class solid particle of the tube structure case top is reached by particle outlet output;
The gaseous product is exported by riser.
10. gas-solid short contact systematic difference method described in claim 7 or 8 characterized by comprising
First kind solid particle and gas reactant are received using at least one gas-solid short contact separator, utilizes the gas The vortex that precursor reactant object is formed carries the solid particle from bottom to rotary-top, realize the gas reactant with it is described First kind solid particle haptoreaction forms gaseous product and the second class solid particle;
Second solid particle that a gas-solid short contact separator conveying is received using regenerating unit, by described the Two class solid particles are regenerated as first kind solid particle, and the first kind solid particle is conveyed to the gas-solid and is shorted Touch separator.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000060A1 (en) * 1979-07-02 1981-01-22 W Duske Fluid borne particulate separator
CN2169473Y (en) * 1993-10-22 1994-06-22 中国石油化工总公司 Catalyst cracking lift tube burning regenerator
CN1275434A (en) * 2000-04-28 2000-12-06 清华大学 Catalyst inlet device adaptable to gas-solid cocurrent flow descending bed reactor
CN102559239A (en) * 2010-12-30 2012-07-11 中国石油天然气集团公司 Cut-over ultrashort contact rotational flow reactor
CN106621583A (en) * 2017-01-24 2017-05-10 中国石油大学(北京) Gas dry method purification rotational flow and absorption coupling device
CN209828946U (en) * 2019-04-12 2019-12-24 辽宁加宝石化设备有限公司 Gas-solid short contact separation device and gas-solid short contact system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000060A1 (en) * 1979-07-02 1981-01-22 W Duske Fluid borne particulate separator
CN2169473Y (en) * 1993-10-22 1994-06-22 中国石油化工总公司 Catalyst cracking lift tube burning regenerator
CN1275434A (en) * 2000-04-28 2000-12-06 清华大学 Catalyst inlet device adaptable to gas-solid cocurrent flow descending bed reactor
CN102559239A (en) * 2010-12-30 2012-07-11 中国石油天然气集团公司 Cut-over ultrashort contact rotational flow reactor
CN106621583A (en) * 2017-01-24 2017-05-10 中国石油大学(北京) Gas dry method purification rotational flow and absorption coupling device
CN209828946U (en) * 2019-04-12 2019-12-24 辽宁加宝石化设备有限公司 Gas-solid short contact separation device and gas-solid short contact system

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