CN206652358U - A kind of desulfurization downstream injection absorption equipment - Google Patents
A kind of desulfurization downstream injection absorption equipment Download PDFInfo
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- CN206652358U CN206652358U CN201720277681.5U CN201720277681U CN206652358U CN 206652358 U CN206652358 U CN 206652358U CN 201720277681 U CN201720277681 U CN 201720277681U CN 206652358 U CN206652358 U CN 206652358U
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- China
- Prior art keywords
- shower nozzle
- pipeline
- desulfurizing tower
- rich solution
- injector
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 38
- 230000023556 desulfurization Effects 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 63
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000012856 packing Methods 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims description 15
- 239000003245 coal Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 210000001624 hip Anatomy 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 36
- 239000005864 Sulphur Substances 0.000 abstract description 21
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 72
- 229910052717 sulfur Inorganic materials 0.000 description 13
- 239000011593 sulfur Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A kind of desulfurization downstream injection absorption equipment is the utility model is related to, belongs to chemical industrial gas desulfurizing and purifying equipment technical field.Technical scheme is：Semiwater gas pipeline（1）End extend into desulfurizing tower（2）Lower inner, one end of poor liquid pipeline passes through rich solution pump（8）With lean liquid tank（3）It is connected, the other end is divided into two-way after stretching out upwards, extend into all the way in semiwater gas pipeline, with injector（9）It is connected, another way extend into the upper interior of desulfurizing tower, with shower nozzle one（5）It is connected；Packing layer is provided with inside desulfurizing tower（6）, packing layer is located at the lower section of shower nozzle one；One end of rich solution pipeline is connected with desulfurization tower bottom, the other end and rich solution groove（7）It is connected.The utility model makes doctor solution fully be contacted in forward direction with semiwater gas, both improves desulfuration efficiency, will not also increase SR.The sulphur in unstripped gas is further removed in desulfurizing tower, stifled tower will not be caused.
Description
Technical field
A kind of desulfurization downstream injection absorption equipment is the utility model is related to, belongs to chemical industrial gas desulfurizing and purifying technique skill
Art field.
Background technology
In syngas for synthetic ammonia, general always inorganic sulphide and organic sulfur compound containing varying number, these vulcanizations
The composition and content of thing, depending on the raw materials used property and its processing method of gasifying.The presence of sulfide in unstripped gas, can increase
Aerating body makes catalyst poisoning to corrosion of metal.In addition, sulphur is also a kind of important resource in itself, is this, it is necessary to original
Expect that gas carries out desulfurization.The fixed bed semiwater gas desulphurizing technique of prior art, the effect pressurizeed for semiwater gas in roots blower
Under from desulfurization tower bottom enter desulfurizing tower, inversely fully contact absorption vulcanization in packing section with the doctor solution come at the top of desulfurizing tower
Hydrogen, still, with the raising of feed coal hydrogen sulfide content, doctor solution just discharges elemental sulfur in packing section, causes desulfurizing tower
Filler, which blocks, influences production.The traditional process characteristic of wet desulphurization is vehicle repair major counter current contacting, passes through filler, tower tray, sieve plate
Increase vapour-liquid contact area etc. internals device, reach the purpose for improving desulfuration efficiency, still, the knot of above-mentioned various internals and filler
Configuration formula and principle determine that in tower liquid is extremely difficult to vehicle repair major all in dispersity, and the optimum state of wet desulphurization
It is that vehicle repair major is all dispersed phase, it is high that vapour-liquid connects the very big desulfurized effect of two-phase contacting surface；Meanwhile reverse contact adds desulfurizing tower
SR.
Utility model content
The purpose of this utility model is to provide a kind of desulfurization downstream injection absorption equipment, using forward duct injection device,
Make doctor solution enter pipeline after be in vaporific ejection, make vapour-liquid that the scattered purpose for being in contact, reaching raising desulfuration efficiency be presented, simultaneously
Using the principle of injector, highly pressurised liquid forms shape after injection draft, nozzle to the gas in pipeline by jet atomization shower nozzle
Gas flow rate is improved into negative pressuren zone, reduces SR, solves above mentioned problem existing for background technology.
The technical solution of the utility model is：
A kind of desulfurization downstream injection absorption equipment, includes semiwater gas pipeline, desulfurizing tower, lean liquid tank, lean pump, shower nozzle
First, packing layer, rich solution groove, rich solution pump and injector, the end of the semiwater gas pipeline extend into the lower inner of desulfurizing tower,
One end of poor liquid pipeline is connected by rich solution pump with lean liquid tank, and the other end is divided into two-way after stretching out upwards, extend into Ban Shui all the way
In gas piping, it is connected with injector, another way extend into the upper interior of desulfurizing tower, is connected with shower nozzle one；In desulfurizing tower
Portion is provided with packing layer, and packing layer is located at the lower section of shower nozzle one；One end of rich solution pipeline is connected with desulfurization tower bottom, the other end and richness
Liquid bath is connected, and rich solution pipeline is provided with rich solution pump；
The injector is arranged on vertically arranged semiwater gas pipeline, the injection direction of injector and semiwater gas
Flow direction is forward set, and injector is provided with three shower nozzles, is shower nozzle two, shower nozzle three and shower nozzle four respectively, three shower nozzles are in pipeline
Divide three layers of arrangement from low to high, three shower nozzles are evenly arranged in the circumferencial direction of pipeline, spaced 120 degree.
The shower nozzle two, shower nozzle three and shower nozzle four spray downwards；Shower nozzle two, shower nozzle three are identical with the structure of shower nozzle four, shower nozzle
Ejiction opening be frustum shape, the outside diameter of ejiction opening is more than interior circular diameter；The maximum longitudinal section of ejiction opening is isosceles trapezoid,
Two trapezoidal waists are mutually perpendicular to.
Three shower nozzles disposed at equal distance from low to high in pipeline.
Semiwater gas enters semiwater gas pipeline in the presence of roots blower pressurization, and the doctor solution in lean liquid tank is through lean solution
Pump is driven into poor liquid pipeline all the way, flows into injector, after the shower nozzle two, shower nozzle three and shower nozzle four of injector, passes through spray
Outlet make doctor solution enter semiwater gas pipeline after be in vaporific ejection, fully contacted with semiwater gas, removing sulphur matter, removing comes out
Sulphur matter enter desulfurization tower bottom along semiwater gas pipeline together with doctor solution, squeezed into through rich solution pump in rich solution groove, remove
Sulphur matter out enters with doctor solution melts sulphur process；
Semiwater gas after desulfurization is entered in desulfurizing tower along semiwater gas pipeline, and the doctor solution in lean liquid tank is through lean solution
Pump is driven into after the another way of poor liquid pipeline under the first spray of blowing, is sprayed into packing layer, the semiwater gas after desulfurization is with being injected to
After doctor solution in packing layer inversely contacts, further desulfurization, the semiwater gas after further desulfurization is discharged outside desulfurizing tower,
Enter follow-up workshop section.
Special feature of the present utility model is to set injector in semiwater gas pipeline, the injector and semiwater gas stream
To forward installing, and shower nozzle two, shower nozzle three and shower nozzle three, three shower nozzles are installed on the injector and divide three from low to high in pipeline
Layer arrangement, three shower nozzles are evenly arranged in the circumferencial direction of pipeline, spaced 120 degree.The shower nozzle two, shower nozzle three and shower nozzle
Four spray downwards；Shower nozzle two, shower nozzle three are identical with the structure of shower nozzle four, and the ejiction opening of shower nozzle is frustum shape, ejiction opening it is cylindrical
Diameter is more than interior circular diameter；The maximum longitudinal section of ejiction opening is isosceles trapezoid, and two trapezoidal waists are mutually perpendicular to.Above and below three shower nozzles
Spacing according to semiwater gas pipe diameter and injection area coverage determine, make doctor solution enter semiwater gas pipeline after be in vaporific spray
Go out, it is uniform with semiwater gas, comprehensive engagement, dead angle is not stayed, so as to improve desulfuration efficiency, and do not increase SR.Into de-
The sulphur in semiwater gas in sulphur tower is largely removed, and a small amount of further removes through desulfurizing tower, and a small amount of sulphur matter will not
Stifled tower is caused, also further increases desulfuration efficiency., can also be by semiwater gas during especially with the high feed coal of sulfur content
In sulfur content be removed in technic index, qualified unstripped gas is provided for subsequent production.
Good effect of the present utility model：Sulfur removal technology with reference to fixed bed semiwater gas, at present various desulphurization plants
Feature, using the principle of injector, semiwater gas pipeline sulfur removal technology and efficiency spraying apparatus are efficiently forward sprayed in design.Make desulfurization
Liquid fully contacts with semiwater gas in forward direction, both improves desulfuration efficiency, will not also increase SR.In desulfurizing tower
Sulphur in interior further removing unstripped gas, will not cause stifled tower, can especially fit the very low of the sulfur content control in unstripped gas
The unstripped gas sulfur removal technology higher for removing sulfur content.
Brief description of the drawings
Fig. 1 is the utility model background technology structural representation；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the utility model emitter construction schematic diagram；
Fig. 4 is the nozzle structure schematic diagram of the utility model injector；
Fig. 5 is three nozzle layout of sprinkler schematic top plan views of the utility model injector；
In figure：Semiwater gas pipeline 1, desulfurizing tower 2, lean liquid tank 3, lean pump 4, shower nozzle 1, packing layer 6, rich solution groove 7, richness
Liquid pump 8, injector 9, shower nozzle 2 10, shower nozzle 3 11, shower nozzle 4 12, ejiction opening 13.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples：
A kind of desulfurization downstream injection absorption equipment, comprising semiwater gas pipeline 1, desulfurizing tower 2, lean liquid tank 3, poor liquid pumps 4,
Shower nozzle 1, packing layer 6, rich solution groove 7, rich solution pump 8 and injector 9, the end of the semiwater gas pipeline 1 extend into desulfurizing tower 2
Lower inner, one end of poor liquid pipeline is connected by rich solution pump 8 with lean liquid tank 3, and the other end is divided into two-way after stretching out upwards, one
Road is extend into semiwater gas pipeline 1, is connected with injector 9, and another way extend into the upper interior of desulfurizing tower 2, with shower nozzle
One 5 are connected；The inside of desulfurizing tower 2 is provided with packing layer 6, and packing layer 6 is located at the lower section of shower nozzle 1；One end of rich solution pipeline and desulfurization
The bottom of tower 2 is connected, and the other end is connected with rich solution groove 7, and rich solution pipeline is provided with rich solution pump 8；
The injector 9 is arranged on vertically arranged semiwater gas pipeline 1, the injection direction of injector 9 and half water coal
The flow direction of gas is forward set, and injector 9 is provided with three shower nozzles, is shower nozzle 2 10, shower nozzle 3 11 and shower nozzle 4 12 respectively, and three spray
Head divides three layers of arrangement from low to high in pipeline, and three shower nozzles are evenly arranged in the circumferencial direction of pipeline, spaced 120 degree.
The shower nozzle 2 10, shower nozzle 3 11 and shower nozzle 4 12 spray downwards；Shower nozzle 2 10, shower nozzle 3 11 and the knot of shower nozzle 4 12
Structure is identical, and the ejiction opening 13 of shower nozzle is frustum shape, and the outside diameter of ejiction opening 13 is more than interior circular diameter；The maximum of ejiction opening is indulged
Section is isosceles trapezoid, and two trapezoidal waists are mutually perpendicular to.
Three shower nozzles disposed at equal distance from low to high in pipeline.
Semiwater gas enters semiwater gas pipeline 1 in the presence of roots blower pressurization, and the doctor solution in lean liquid tank 3 is through poor
Liquid pump 4 is driven into poor liquid pipeline all the way, flows into injector 9, shower nozzle 2 10, shower nozzle 3 11 and shower nozzle four through injector 9
After 12, doctor solution is entered after semiwater gas pipeline 1 by ejiction opening 13 and be in vaporific ejection, fully contact, take off with semiwater gas
Sulphur removal matter, the sulphur matter for removing out enters the bottom of desulfurizing tower 2 together with doctor solution along semiwater gas pipeline 1, through rich solution pump 8
Squeeze into rich solution groove 7, the sulphur matter for removing out enters with doctor solution melts sulphur process；
Semiwater gas after desulfurization is entered in desulfurizing tower 2 along semiwater gas pipeline 1, the doctor solution warp in lean liquid tank 3
Lean pump 4 is driven under first 5 spray of blowing after the another way of poor liquid pipeline, is sprayed into packing layer 6, the semiwater gas after desulfurization with
After being injected to the reverse contact of the doctor solution in packing layer 6, further desulfurization, the semiwater gas discharge after further desulfurization takes off
Outside sulphur tower 2, follow-up workshop section is entered.
Accompanying drawing 1 is background technology structural scheme of mechanism, mainly includes semiwater gas pipeline 1, desulfurizing tower 2, lean liquid tank 4, lean solution
Pump 3, shower nozzle 1, packing layer 6, rich solution groove 7 and rich solution pump 8；Flow is briefly described as follows：Semiwater gas is squeezed into through roots blower
Semiwater gas pipeline 1 enters desulfurizing tower from the bottom of desulfurizing tower 2, and the doctor solution in lean liquid tank 4 pressurizes from desulfurizing tower 2 through lean pump 3
Top enters desulfurizing tower, and sprays into packing layer 6 by shower nozzle 1, is inversely contacted with semiwater gas and absorbs hydrogen sulfide and reach de-
The purpose of sulphur, with the raising of feed coal hydrogen sulfide content, doctor solution just discharges elemental sulfur in packing layer, causes desulfurizing tower
Filler, which blocks, influences production.
Because desulfurizing tower is relatively large in diameter, top doctor solution, which sprays, is constantly present dead angle, and due to the structure of packing layer
Form and principle determine that liquid is extremely difficult to vehicle repair major all in dispersity in tower, and the optimum state of wet desulphurization is
Vehicle repair major is all dispersed phase, and vapour-liquid connects the very big desulfurized effect height of two-phase contacting surface, therefore causes desulfuration efficiency relatively low, meanwhile,
Reverse contact adds the SR of desulfurizing tower.
Accompanying drawing 2,3,4,5 is the utility model embodiment structural representation, including semiwater gas pipeline 1, desulfurizing tower 2, poor
Liquid bath 3, lean pump 4, shower nozzle 1, packing layer 6, rich solution groove 7, rich solution pump 8, injector 9, shower nozzle 2 10, shower nozzle 3 11 and shower nozzle
4 12.Flow is briefly described as follows：Injector 9, the work that semiwater gas pressurizes in roots blower are set in semiwater gas pipeline 1
Enter semiwater gas pipeline 1 with lower, the doctor solution in lean liquid tank 3 squeezes into injector 9 through lean pump 4, through what is installed on injector 9
Shower nozzle 2 10, shower nozzle 3 11 and shower nozzle 4 12, it is in vaporific spray doctor solution is entered after semiwater gas pipeline 1 by ejiction opening 13
Go out, dispersed phase, which is presented, with semiwater gas fully contacts, and removing comes out sulphur matter and squeezes into rich solution groove 7 through rich solution pump 8 into doctor solution, enters
Enter to melt sulphur process.Doctor solution of the semiwater gas in desulfurizing tower 2 through packing layer 6 under 5 spray first with blowing after a large amount of desulfurization is inverse
To contact, follow-up workshop section is entered after further desulfurization.
Largely removed into the sulphur in the semiwater gas in desulfurizing tower 2, a small amount of further removes through desulfurizing tower,
A small amount of sulphur matter will not cause stifled tower, also further increase desulfuration efficiency.During especially with the high feed coal of sulfur content,
Sulfur content in semiwater gas can be removed in technic index, qualified unstripped gas is provided for subsequent production.
The injector 9 is downstream injection device, is forward set with semiwater gas flow direction；
The shower nozzle 2 10, shower nozzle 3 11 and shower nozzle 4 12 are set in the circular pipe of semiwater gas pipeline in 120 ° of angles
Put, spray angle be 45-60 °, three shower nozzles between the upper and lower away from according to the caliber of semiwater gas pipeline 1 and injection area coverage determine,
Spacing be able to can not also be waited with equal.
The characteristics of sulfur removal technology of the utility model combination fixed bed semiwater gas, current various desulphurization plants, utilize spray
Semiwater gas pipeline sulfur removal technology is efficiently forward sprayed in the principle design of emitter, makes doctor solution with semiwater gas in forward direction
Fully contact, both improves desulfuration efficiency, will not also increase SR.Further removed in desulfurizing tower in unstripped gas
Sulphur, stifled tower will not be caused, the sulfur content in unstripped gas can be controlled to very low, higher especially suitable for removing sulfur content original
Expect desulfurization technique.
Claims (4)
- A kind of 1. desulfurization downstream injection absorption equipment, it is characterised in that：Include semiwater gas pipeline（1）, desulfurizing tower（2）, lean solution Groove（3）, lean pump（4）, shower nozzle one（5）, packing layer（6）, rich solution groove（7）, rich solution pump（8）And injector（9）, the half water coal Feed channel（1）End extend into desulfurizing tower（2）Lower inner, one end of poor liquid pipeline passes through rich solution pump（8）With lean liquid tank （3）It is connected, the other end is divided into two-way after stretching out upwards, extend into semiwater gas pipeline all the way（1）It is interior, with injector（9）It is connected Connect, another way extend into desulfurizing tower（2）Upper interior, with shower nozzle one（5）It is connected；Desulfurizing tower（2）Inside is provided with packing layer （6）, packing layer（6）Positioned at shower nozzle one（5）Lower section；One end of rich solution pipeline and desulfurizing tower（2）Bottom is connected, the other end and richness Liquid bath（7）It is connected, rich solution pipeline is provided with rich solution pump（8）；The injector（9）It is arranged on vertically arranged semiwater gas pipeline（1）On, injector（9）Injection direction and Ban Shui The flow direction of coal gas is forward set, injector（9）It is shower nozzle two respectively provided with three shower nozzles（10）, shower nozzle three（11）With shower nozzle four （12）, three shower nozzles divide three layers of arrangement from low to high in pipeline, and three shower nozzles are evenly arranged in the circumferencial direction of pipeline, mutually 120 degree of interval.
- A kind of 2. desulfurization downstream injection absorption equipment according to claim 1, it is characterised in that：The shower nozzle two（10）、 Shower nozzle three（11）With shower nozzle four（12）Spray downwards；Shower nozzle two（10）, shower nozzle three（11）With shower nozzle four（12）Structure is identical, shower nozzle Ejiction opening（13）For frustum shape, ejiction opening（13）Outside diameter be more than interior circular diameter；The maximum longitudinal section of ejiction opening is Isosceles trapezoid, two trapezoidal waists are mutually perpendicular to.
- A kind of 3. desulfurization downstream injection absorption equipment according to claim 1 or 2, it is characterised in that：Three shower nozzles The disposed at equal distance from low to high in pipeline.
- A kind of 4. desulfurization downstream injection absorption equipment according to claim 1 or 2, it is characterised in that：Described filler layer（6） For two layers, desulfurizing tower is arranged in up and down（2）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277681.5U CN206652358U (en) | 2017-03-21 | 2017-03-21 | A kind of desulfurization downstream injection absorption equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277681.5U CN206652358U (en) | 2017-03-21 | 2017-03-21 | A kind of desulfurization downstream injection absorption equipment |
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| Publication Number | Publication Date |
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| CN206652358U true CN206652358U (en) | 2017-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955566A (en) * | 2017-03-21 | 2017-07-18 | 河北凯跃化工集团有限公司 | A kind of desulfurization downstream injection absorption equipment and technique |
-
2017
- 2017-03-21 CN CN201720277681.5U patent/CN206652358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955566A (en) * | 2017-03-21 | 2017-07-18 | 河北凯跃化工集团有限公司 | A kind of desulfurization downstream injection absorption equipment and technique |
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