CN102908885A - Multifunctional reactor for combined bed - Google Patents
Multifunctional reactor for combined bed Download PDFInfo
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- CN102908885A CN102908885A CN201210428408XA CN201210428408A CN102908885A CN 102908885 A CN102908885 A CN 102908885A CN 201210428408X A CN201210428408X A CN 201210428408XA CN 201210428408 A CN201210428408 A CN 201210428408A CN 102908885 A CN102908885 A CN 102908885A
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Abstract
The invention provides a multifunctional reactor for a combined bed and belongs to the technical field of chemical engineering. The reactor comprises an inner shell and an outer shell which are coaxially arranged; a first reaction area is arranged inside of the inner shell; a second reaction area is arranged in a space formed between the outer wall of the inner shell and the inner wall of the outer shell; the first reaction area is communicated with the low end of the second reaction area; at least two reaction beds are arranged in the first reaction area from top to bottom in sequence; at least three reaction beds are arranged in the second reaction area from bottom to top in sequence; a to-be-purified gas inlet is formed on the inner shell and is hermetically connected with an air inlet pipe; the air inlet pipe penetrates through the outer shell and extends to the outside of the outer shell; and a purified gas outlet is formed on the outer shell. The multifunctional reactor for the combined bed has the advantages of simple structure, low equipment cost and economy of space.
Description
Technical field
The present invention relates to a kind of combination cot multifunctional reactor, particularly a kind of combination cot multifunctional reactor of coke oven gas purification belongs to chemical technology field.
Background technology
In existing gas purification processing procedure, in order to reach preferably clean-up effect, when the harmful substance in the gas being carried out the deep purifying processing, often need to adopt the mode of a plurality of cleaning equipments series connection to realize multistage purification elementary, the degree of depth.For example, when the coal gas that coal gasification is produced carries out the desulfurization processing, often adopt the mode of plural serial stage that the hydrogen sulfide in the coal gas is carried out deep purifying.
Chinese patent literature CN1068356A discloses a kind of high-temp two-step desulphurization process for gas, comprise and adopt the desulfurizer of filling elementary desulfurizing agent and the meticulous desulfurizer of filling fine desulfurizing agent, under 650 ℃, reaction velocity 2000hr-1 state, coal gas of high temperature is carried out two step desulfurization, concentration of hydrogen sulfide＜1ppm in the coal gas of high temperature after two step desulfurization.In the above-mentioned technology, by adopting the mode of elementary desulfurizer and meticulous desulfurizer series connection, at first utilizing elementary desulfurizer that coal gas is carried out thick desulfurization processes, and then utilize meticulous desulfurizer that raw gas is carried out smart desulfurization, so that concentration of hydrogen sulfide drops to below the 1ppm in the coal gas of high temperature, reach the purpose of smart desulfurization.But, in the above-mentioned technology, owing to adopting the mode of a plurality of device series connection coal gas is carried out smart desulfurization, and the mode of a plurality of device series connection can strengthen equipment cost on the one hand, and the smooth operation between the different device also is the problem that needs emphasis to consider, a plurality of devices series connection also need very large floor space on the other hand.
In order to solve the problems of the technologies described above, Chinese patent literature CN1101760273A discloses a kind of multi-layer methane desulfurizer, the desulfurization body that comprises a single chamber, at the bottom of desulfurization body placing rack the desulfurization body is supported, be provided with two layers or multilayer desulfurization layer in the described desulfurization body, place the desulfurizing agents such as iron oxide that are used for desulfurization in the described desulfurization layer.In the above-mentioned technology, enter the devulcanizer that is provided with the multi-layer desulfurization agent without the biogas of the desulfurization bottom from devulcanizer, after upwards passing through successively the desulfurizing agent desulfurization of multilayer, can realize in a devulcanizer, finishing desulfuration operations for many times, reach the purpose that the smart desulfurization of biogas is processed.
But, except hydrogen sulfide, contain other different harmful substance toward the contact meeting in the gas that produces in the industrial processes, for example, organic sulfur, clumsy, chlorine etc.A kind of material of those skilled in the art in treating purified gas carries out elementary, when deep purifying is processed, adopt the inner purifier that is provided with multilayer cleanser bed can realize the deep purifying of this material is processed, and carry out respectively elementary for different harmful substances, during the multistage purification of the degree of depth, need to adopt the purifier that will be provided with multilayer cleanser bed to connect to realize the deep purifying of different pollutants is processed toward contact, and adopt the mode of a plurality of device series connection to carry out elementary to gas with various, during deep purifying, the technical problem that exists in the time of can causing equally many device series connection, namely equipment cost is large, poor and a plurality of device series connection of smooth operation between the different device also need the problem of very large floor space.
Summary of the invention
To be many series systems of available technology adopting carry out deep purifying when processing to different harmful substances in the gas to technical problem solved by the invention, have that equipment cost is higher, connective stability is poor and the also large problem that takes up room, and then a kind of combination cot multifunctional reactor is provided.
In order to solve the problems of the technologies described above, the invention provides a kind of combination cot multifunctional reactor, the inner housing and the shell body that comprise coaxial setting, the inside of described inner housing is the first reaction zone, the space that forms between the outer wall of described inner housing and the inwall of described shell body is second reaction zone, and described the first reaction zone and described second reaction zone low side are communicated with;
In described the first reaction zone, be disposed with from top to bottom at least two reaction beds, in described second reaction zone, be disposed with from bottom to up at least three reaction beds;
Be provided with gas feed to be clean on the described inner housing, being tightly connected with gas feed to be clean is provided with air inlet pipe, and described air inlet pipe connects described shell body and extend to described shell body outside;
Be provided with purified gas outlet on the described shell body.
The top of described inner housing extends upward the top of running through described shell body and arranges, and the top of the outer wall of described inner housing and described shell body is and is tightly connected; Described gas feed to be clean is arranged at the top of described inner housing.
Between described gas feed to be clean and described inner housing top reaction bed, be provided with gas distributor.
The top of at least one reaction bed arranges at least one additive spray equipment in described second reaction zone.
Described purified gas outlet is arranged at the top of described shell body.
Top at described shell body also is provided with the cleanser loading hatch.
Also be provided with outlet in described shell body bottom.
Technical solution of the present invention has following advantage compared to existing technology:
(1) combination cot multifunctional reactor of the present invention, by coaxial inner housing and shell body are set, the first reaction zone and the second reaction zone that places outer field annular that described reactor are divided into central cartridge type, described two reaction zones are realized serial operation in a reactor, can on a plurality of reaction beds of the first reaction zone, add different cleansers with a plurality of reaction beds of second reaction zone respectively during use, to reach the purpose of different pollutants being carried out advanced treating.Combination cot multifunctional reactor of the present invention needing in the prior art to have replaced two above reactor serial operations to process different pollutants are carried out deep purifying, have simple in structure, equipment cost is low and joint space-efficient advantage.
(2) combination cot multifunctional reactor of the present invention, between the reaction bed on described gas feed to be clean and inner housing top, also be provided with gas distributor further, to promote the uniform distribution of gas, reaction between assurance gas and catalyst or the cleanser can be carried out smoothly, can also prevent that high velocity air is to the souring of bed simultaneously; Further, can also install at least one liquid reaction additive spray equipment additional by at least one reaction bed in second reaction zone, additive is directly sprayed in this bed, can greatly accelerate the course of reaction of this bed.
Description of drawings
For content of the present invention more easily is understood, the present invention is further detailed content of the present invention in connection with the following drawings and the specific embodiment;
Fig. 1 is the structural representation of combination cot multifunctional reactor of the present invention;
Fig. 2 is the structural representation of the combination cot multifunctional reactor with gas distributor and additive spray equipment of the present invention;
Wherein, Reference numeral is:
1. inner housing; 2. shell body; 3. gas feed to be clean; 4. purified gas outlet; 5. cleanser loading hatch; 6. outlet; 7. the first reaction bed; 8. the second reaction bed; 9. the 3rd reaction bed; 10. the 4th reaction bed; 11. the 5th reaction bed; 12. gas distributor; 13. additive spray equipment.
The specific embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.
The described combination cot multifunctional reactor of the present embodiment, as shown in Figure 1, as we can see from the figure, this reactor comprises inner housing 1 and the shell body 2 of coaxial setting, the inside of described inner housing 1 forms the first reaction zone, the annular space that forms between the inwall of the outer wall of described inner housing 1 and described shell body 2 is second reaction zone, described the first reaction zone and described second reaction zone low side are communicated with, preferably the end of described inner housing 1 below is set to non-enclosedly, and such the first reaction zone is connected with the open-mouth of second reaction zone by inner housing 1 bottom; The top of described inner housing 1 can be lower than the top of described shell body 2, also can coincide with the top of described shell body 2, the top that can also be higher than described shell body 2, the top of preferred described inner housing 1 is higher than the top of described shell body 2 in the present embodiment, and the outer wall of inner housing 1 is connected with the top seal of shell body 2;
In described the first reaction zone, set gradually from top to bottom at least two reaction beds, add the same gas purifying agent at different reaction beds, such as desulfurizing agent, Hydrodearsenic Catalyst or contain cleanser of cl contaminant etc., to reach the purpose of same pollutant in the pending gas being carried out the deep layer purified treatment.In the first reaction zone, usually treat the major pollutants that contain in the Purge gas and carry out the deep purifying processing, therefore preferred differential responses bed at the first reaction zone adds the cleanser that major pollutants are purified.In the present embodiment, preferably in the first reaction zone, set gradually from top to bottom the first reaction bed 7 and the second reaction bed 8, on each reaction bed, all add gas is carried out the desulfurizing agent that desulfurization is processed, described desulfurizing agent is commercially available any desulfurizing agent, selects CDS-200 type desulfurizing agent in the present embodiment;
In described second reaction zone, set gradually from bottom to up at least three reaction beds, concentration according to other pollutant except major pollutants that contains in the gas to be clean, can add the cleanser of identical type on the different reaction bed in second reaction zone, also can add different types of cleanser, when the content of other a certain pollutant in the gas to be clean is higher, add the cleanser of this pollutant at least two reaction beds of second reaction zone, reaching the purpose of it being carried out deep purifying, add the cleanser of processing for remaining pollutant at the residue reaction bed of second reaction zone; In the present embodiment, preferably in second reaction zone, set gradually from bottom to up three reaction beds, described three reaction beds are followed successively by the 3rd reaction bed 9 from bottom to up, the 4th reaction bed 10 and the 5th reaction bed 11, add the cleanser 1# that gas is carried out the dearsenification processing by cleanser loading hatch 5 at the 3rd reaction bed 9 and the 4th reaction bed 10, add the cleanser 2# that gas is carried out the dechlorination processing at the 5th reaction bed 11, described cleanser 1#, 2# is commercially available cleanser, in the present embodiment, dearsenification cleanser 1# is that the commercially available model that trimerization environmental protection company produces is the Hydrodearsenic Catalyst of STAS-3, and dechlorination cleanser 2# is that the commercially available model that trimerization environmental protection company produces is the antichlor of JX-5B;
Filling is during cleanser in second reaction zone, can load described cleanser when assembling described combination cot multifunctional reactor, and this reactor is one-shot forming, nonrecoverable combination cot multifunctional reactor like this; Certainly, can repeatedly utilize in order to make described combination cot multifunctional reactor, also can cleanser loading hatch 5 be set on shell body 2 tops, add the cleanser of required cleanser or unloading inefficacy by described cleanser loading hatch 5 at described reaction bed.
Be provided with gas feed 3 to be clean on the described inner housing 1, being tightly connected with gas feed 3 to be clean is provided with air inlet pipe, and described air inlet pipe connects described shell body 2 and extend to described shell body outside; Described gas feed to be clean 3 can be arranged on top or the sidewall of inner housing 1, and in the present embodiment gas feed 3 to be clean preferably is arranged on the top of described inner housing 1; Be provided with purified gas outlet 4 on the described shell body 2, preferably on the top of described shell body purified gas outlet be set in the present embodiment; In addition, can also be provided with outlet 6 in the bottom of described shell body 2, this outlet 6 can certainly be set, preferably in the bottom of described shell body 2 outlet 6 is set in the present embodiment.
The present embodiment in use, at first dusty gas enters in the first reaction zone by gas feed 3 to be clean, in the first reaction zone, dusty gas carries out desulfurization by the desulfurizing agent on the desulfurizing agent on the first reaction bed 7 and the second reaction bed 8 from top to bottom successively to be processed, gas after desulfurization is processed enters in the second reaction zone from the first reaction zone bottom, in second reaction zone, by the cleanser 1# that is arranged on the 3rd reaction bed 9 and the 4th reaction bed 10 gas is carried out the removal of mercaptans processing successively from bottom to up, the cleanser 2# that is arranged on the 5th reaction bed 11 carries out the dechlorination processing to gas, Purge gas after three layers of purified treatment is discharged by purified gas outlet 4, and the waste liquid that produces in the decontamination process is discharged by outlet 6.Combination cot multifunctional reactor of the present invention has realized removing the purpose of multiple pollutant in a reactor.
As embodiment preferably, combination cot multifunctional reactor of the present invention in the present embodiment, as shown in Figure 2, preferably between the top reaction bed in described gas feed 3 to be clean and described inner housing 1 gas distributor 12 is set, described gas distributor 12 can promote the uniform distribution of gas, reaction between assurance gas and catalyst or the cleanser can be carried out smoothly, can also prevent that high velocity air is to the souring of bed simultaneously; At least one additive spray equipment 13 is set on the top of at least one reaction bed in described second reaction zone, preferably be symmetrical arranged in the present embodiment two additive spray equipments 13 on the top of the 3rd reaction bed 9, described additive spray equipment 13 can add liquid additive to replenishing on the 3rd reaction bed 9, the liquid additive that replenishes with the catalyst role on the corresponding bed identical, be liquid dearsenification cleanser, can greatly accelerate like this reaction speed of the dearsenification of this bed, to improve this bed to the gas cleaning ability.
The present embodiment in use, after dusty gas enters by gas feed to be clean, at first carry out uniform distribution through 12 pairs of gases of gas distributor, continue descendingly to carry out desulfurizing and purifying through the desulfurizing agent on the first reaction bed 7 and the second reaction bed 8 successively from top to bottom and process through the gas after the uniform distribution, gas after desulfurization is processed enters the second reaction zone bottom from the first reaction zone bottom, the cleanser 1# on the 3rd reaction bed 9 and through the liquid dearsenification cleansers that additive spray equipment 13 replenishes gas is carried out dearsenification and process successively, and then the cleanser 1# on the 4th reaction bed 10 carries out the processing of dearsenification deep purifying to gas, finally by the cleanser 2# on the 5th reaction bed 11 gas being carried out dechlorination processes, Purge gas after three layers of purified treatment is discharged by purified gas outlet 4, and the lime set that produces in the decontamination process is discharged by outlet 6.Combination cot multifunctional reactor of the present invention has realized in a reactor multiple pollutant being carried out the purpose of deep purifying, has that pollutant removing efficient is high, the simple cost of equipment is low and joint space-efficient advantage.
In addition, combination cot multifunctional reactor of the present invention also is applicable to the subtractive process of hydrocarbons.The hydrocarbon raw material that contains different impurities from after different cleanser or catalyst react, finally can obtain desired product through each bed.
Although the present invention elaborates by above-mentioned specific embodiment; but; will be appreciated by those skilled in the art that any form that does not exceed the claim protection domain made on this basis and the variation of details, all belong to invention which is intended to be protected.
Claims (7)
1. combination cot multifunctional reactor, it is characterized in that, the inner housing (1) and the shell body (2) that comprise coaxial setting, the inside of described inner housing (1) is the first reaction zone, the space that forms between the inwall of the outer wall of described inner housing (1) and described shell body (2) is second reaction zone, and described the first reaction zone and described second reaction zone low side are communicated with;
In described the first reaction zone, be disposed with from top to bottom at least two reaction beds, in described second reaction zone, be disposed with from bottom to up at least three reaction beds;
Be provided with gas feed to be clean (3) on the described inner housing (1), being tightly connected with gas feed to be clean (3) is provided with air inlet pipe, and described air inlet pipe connects described shell body (2) and extend to described shell body outside;
Be provided with purified gas outlet (4) on the described shell body (2).
2. described combination cot multifunctional reactor according to claim 1, it is characterized in that, the top of described inner housing (1) extends upward the top of running through described shell body and arranges, and the top of the outer wall of described inner housing (1) and described shell body (2) is and is tightly connected; Described gas feed to be clean (3) is arranged at the top of described inner housing (1).
3. described combination cot multifunctional reactor according to claim 1 and 2 is characterized in that, is provided with gas distributor (12) between the top reaction bed in described gas feed to be clean (3) and described inner housing (1).
4. according to claim 1 and 2 or 3 described combination cot multifunctional reactors, it is characterized in that, the top of at least one reaction bed arranges at least one additive spray equipment (13) in described second reaction zone.
5. arbitrary described combination cot multifunctional reactor is characterized in that according to claim 1 ~ 4, and described purified gas outlet (4) is arranged at the top of described shell body (2).
6. arbitrary described combination cot multifunctional reactor is characterized in that according to claim 1 ~ 5, also is provided with cleanser loading hatch (5) on the top of described shell body (2).
7. arbitrary described combination cot multifunctional reactor is characterized in that according to claim 1 ~ 6, also is provided with outlet (6) in described shell body (2) bottom.
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| CN201210428408XA CN102908885A (en) | 2012-10-31 | 2012-10-31 | Multifunctional reactor for combined bed |
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- 2012-10-31 CN CN201210428408XA patent/CN102908885A/en active Pending
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Address after: 100080 building, building 906, building 1, No. 33, North Road, Renmin University, Beijing, Haidian District Applicant after: Beijing Three Green Energy Technology Co Ltd Applicant after: Beijing Sanju Energy Purification Engineering Co.,Ltd. Address before: 100080 building, building 906, building 1, No. 33, North Road, Renmin University, Beijing, Haidian District Applicant before: Beijing Sanju Chuangjie Technology Development Co.,Ltd. Applicant before: Beijing Sanju Energy Purification Engineering Co.,Ltd. |
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Application publication date: 20130206 |
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