CN102824809A - Adsorption tower - Google Patents
Adsorption tower Download PDFInfo
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- CN102824809A CN102824809A CN2012103551685A CN201210355168A CN102824809A CN 102824809 A CN102824809 A CN 102824809A CN 2012103551685 A CN2012103551685 A CN 2012103551685A CN 201210355168 A CN201210355168 A CN 201210355168A CN 102824809 A CN102824809 A CN 102824809A
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Abstract
The invention provides an adsorption tower, comprising a feeding bin and a tower body communicated with the feeding bin by virtue of a distributor pipe, wherein the inner cavity of the tower body is provided with an air inlet chamber, an air outlet chamber as well as a desulphurization chamber and a denitration chamber which are arranged between the air inlet chamber and the air outlet chamber and are communicated; the desulphurization chamber is communicated with the air inlet chamber by virtue of an inlet blind window; and the desulphurization chamber is communicated with the air outlet chamber by virtue of an outlet grid. The adsorption tower also comprises an ammonia introducing channel which is arranged at the air inlet side of the desulphurization chamber, wherein the spray hole of the ammonia introducing channel faces toward the direction of the air outlet chamber. The adsorption tower disclosed by the invention guarantees desulphurization and denitration, consumption of ammonia is reduced, and cost of desulphurization and denitration is further reduced.
Description
Technical field
The present invention relates to the active carbon desulfurization technical field, more particularly, relate to a kind of adsorption tower of realizing desulfurization and denitrification integral.
Background technology
In order to solve metallurgy sintered pelletizing smoke pollution problem and the efficient utilization that realizes resource, and then promote environmental protection and saving type society and social sustainable development, adopting active carbon that flue gas is handled is one of current state-of-the-art settling mode.
The active carbon flue gases purification be with active carbon as catalyst, remove pernicious gases such as S02 in the flue gas, NOx, and then reduce the pollution of flue gas atmosphere, realize the recycling of sulphur simultaneously.Process for purifying comprises that mainly sulphur absorbs, thiolysis is analysed and three processing procedures of sulfur recovery.Concrete technology is following: flue gas gets into adsorption tower through booster fan; Harmful components in adsorption tower in the flue gas issue living physical-chemical reaction in the effect of active carbon; The sulfate of dust 、 bioxin and generation is adsorbed in the hole of active carbon; NOx resolves into harmless N2, has finally realized removing of pernicious gas such as S02, NOx in the flue gas.
We know that active carbon all has certain saturation degree to the absorption of harmful substance; The active carbon that adsorbs after saturated is discharged from the adsorption tower bottom; Be transported to the top of Analytic Tower through conveyer; Analytic Tower is injected at top by Analytic Tower, and in Analytic Tower, the harmful substance of charcoal absorption is at high temperature decomposed; High concentration SO 2 gas is released out and is able to recycle, and discharges after vibratory sieve is removed fine particle through the bottom of Analytic Tower and is transported to the adsorption tower top by conveyer and refills and carry out recycle in the adsorption tower and recapture active active carbon.
Please refer to accompanying drawing 1, the figure shows the structure of adsorption tower of a kind of desulphurization denitration of prior art.This equipment is in the process of work, and flue gas gets into two adsorption towers 02 of series connection each other, and active carbon 03 enters in the adsorption tower 02 through charging gear 01; After flue gas is sloughed sulphur through first adsorption tower; Feed in second adsorption tower again, between two adsorption towers, be provided with the pipe of logical ammonia, the flue gas after the ammonia mixing desulfurization enters into second adsorption tower flue gas is carried out denitration; The active carbon of realizing desulphurization denitration is discharged from through drawing mechanism 04; But need set up two adsorption towers in the desulphurization denitration process of this kind mode, increase taking up room of equipment, two tower bodies are set has simultaneously increased production cost.
In order to address the above problem, please refer to accompanying drawing 2, the figure shows another kind of adsorption tower structure of the prior art; Active carbon 003 enters in the tower body 002 of adsorption tower through charging gear 001; When adsorption tower feeds flue gas, also feeding ammonia in the course of work, realizing that desulphurization denitration carries out simultaneously, final active carbon is through drawing mechanism 004; This kind adsorption tower has reduced cost, the taking up room of the equipment that reduces simultaneously.But, in adsorption tower, feeding in the process of ammonia and flue gas, ammonia can react with the oxysulfide in the flue gas, finally causes having consumed a large amount of ammonias, has caused consuming a large amount of ammonias in the desulphurization denitration process, and then has improved the cost of desulphurization denitration.
In sum, the flue gas that causes when how to solve existing desulphurization denitration is present those skilled in the art's problem demanding prompt solution to the lot of consumption problem of ammonia.
Summary of the invention
In view of this, the invention provides a kind of adsorption tower, reduced the consumption of ammonia when having guaranteed single tower desulphurization denitration, and then reduced the cost of desulphurization denitration.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of adsorption tower; Comprise tower body, wherein: said tower body inner chamber has inlet plenum and discharge chamber and is positioned between the two, and desulfurization chamber that communicates and denitration chamber; Said desulfurization chamber is connected with said inlet plenum through the inlet shutter; Said denitration chamber is connected with said discharge chamber through the outlet grid, and this adsorption tower also comprises the logical ammonia pipeline of the air inlet side that is arranged on said denitration chamber, and the fumarole of said logical ammonia pipeline is towards the direction of said discharge chamber.
Preferably, in the above-mentioned adsorption tower, said inlet plenum is positioned at the center of said tower body, and said desulfurization chamber and denitration chamber are two, and all is arranged symmetrically in the both sides of said inlet plenum.
Preferably, in the above-mentioned adsorption tower, said desulfurization chamber is divided into along the multilayer active carbon desulfurization layer on the flue gas direction through dividing plate with holes at least, and said denitration chamber also is divided into along the multilayer active carbon denitration layer on the flue gas direction through dividing plate with holes at least.
Preferably, in the above-mentioned adsorption tower, the quantity of said active carbon desulfurization layer is 2 layers or 3 layers, and the quantity of said active carbon denitration layer is 2 layers or 3 layers.
Preferably, in the above-mentioned adsorption tower, said tower body has two charging apertures, and is distributed in the both sides of said inlet plenum respectively; Said tower body has two discharging taper buckets; Be respectively the first discharging taper bucket and the second discharging taper bucket; The said first discharging taper bucket is communicated with the desulfurization chamber of said inlet plenum both sides; The said second discharging taper bucket is communicated with the denitration chamber of inlet plenum both sides, and the discharging opening of the said first discharging taper bucket and the second discharging taper bucket is provided with the material roller of rotating speed adjustable.
Preferably, in the above-mentioned adsorption tower, also comprise feed hopper through distributor pipe and said tower body intracavity inter-connection.
Preferably; In the above-mentioned adsorption tower; Said feed hopper comprises warehouse and the first taper baffle relative with the charging aperture of said warehouse, and the inwall of said warehouse is provided with many chutes that extend to the bottom spiral from the top of said warehouse, forms the water conservancy diversion seam relative with the import of said chute between the inwall of said first taper baffle and warehouse; The bottom of said warehouse is provided with a plurality of being used for and is connected with the distributor pipe of said adsorption tower, and the discharge opening that is connected mutually with the outlet of said chute.
Preferably, in the above-mentioned adsorption tower, comprise that also the bigger end of cross-sectional area is positioned at the second taper baffle of the bottom of said warehouse, said discharge opening distributes along the bottom margin of the said second taper baffle.
Preferably, in the above-mentioned adsorption tower, the guide face of the said first taper baffle is provided with guiding gutter, and said guiding gutter is connected with the import of said chute.
Preferably, in the above-mentioned adsorption tower, it is protruding that said warehouse has the taper water conservancy diversion that is formed by the bottom indent, and the vertex of a cone of said taper water conservancy diversion convexity is relative with the said first taper baffle, and said discharge opening distributes along the protruding bottom margin of said taper water conservancy diversion.
Adsorption tower provided by the invention is in the process of work, and active carbon enters in the tower body, and flue gas enters in the tower body through inlet plenum; Enter into desulfurization chamber through the inlet shutter and carry out desulfurization; Oxysulfide in the flue gas by the charcoal absorption in the desulfurization chamber after, flue gas enters into the denitration chamber, feeds ammonia by the logical ammonia pipeline of denitration chamber air inlet side; Ammonia combines the active carbon in the denitration chamber that the nitrogen oxide in the flue gas is removed; This patent is combined in desulphurization denitration in the tower body and removes, and has guaranteed under the prerequisite of desulphurization denitration, has avoided the prior art sulphur oxide to feeding the influence of ammonia; Reduce the consumption of ammonia, and then reduced the cost of desulphurization denitration.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the adsorption tower of a kind of desulphurization denitration that Fig. 1 provides for prior art;
The structural representation of the adsorption tower of the another kind of desulphurization denitration that Fig. 2 provides for prior art;
The structural representation of the adsorption tower that Fig. 3 provides for the embodiment of the invention;
A kind of internal structure sketch map of the tower body of the adsorption tower that Fig. 4 provides for the embodiment of the invention;
The another kind of internal structure sketch map of the tower body of the adsorption tower that Fig. 5 provides for the embodiment of the invention;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view;
The structural representation of the feed hopper of the adsorption tower that Fig. 7 embodiment of the invention provides.
Among last Fig. 1-Fig. 7:
Feed arrangement 01, adsorption tower 02, active carbon 03, drawing mechanism 04;
Feed arrangement 001, adsorption tower 002, active carbon 003, drawing mechanism 004;
Feed arrangement 21, logical ammonia pipeline 22, fumarole 221, dividing plate with holes 23, inlet shutter 24, outlet grid 25, active carbon denitration layer 26, active carbon desulfurization layer 27, inlet plenum 28, discharging opening 29, discharging opening 210, discharge chamber 101.
Feed arrangement 11, logical ammonia pipeline 12, fumarole 121, dividing plate with holes 13, inlet shutter 14, outlet grid 15, active carbon denitration layer 16, active carbon desulfurization layer 17, inlet plenum 18, discharging opening 19, discharging opening 110, discharge chamber 111;
The specific embodiment
The invention provides a kind of adsorption tower, reduced the consumption of ammonia when having guaranteed desulphurization denitration, and then reduced the cost of desulphurization denitration.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to accompanying drawing 3, the embodiment of the invention provides a kind of adsorption tower, comprises charging chute, feed hopper 4, distributor pipe 10, tower body 5 and frame, wherein:
The charging chute is the active carbon input port of whole adsorption tower; Be connected with the feed hopper of adsorption tower; First conveyer 1 is poured over active carbon in the charging chute; The charging chute is transported to active carbon in the feed hopper 4, in fill process, falls damage in order to reduce active carbon, and above-mentioned charging chute comprises first tilting section 2 and second tilting section 3; Make the slip along tilting section into directly falling to carry, the first concrete tilting section 2 and the angle of inclination of second tilting section 3 and incline direction those skilled in the art between the two can design according to actual conditions;
Please refer to accompanying drawing 4, tower body 5 is as the main part of whole adsorption tower, and its inner chamber has inlet plenum 28 and discharge chamber 101 and is positioned between the two; And desulfurization chamber that communicates and denitration chamber; Be provided with the logical ammonia pipeline 22 of the air inlet side that is positioned at the denitration chamber in the inner chamber of tower body 5, the fumarole 221 of logical ammonia pipeline 22 is towards the direction of discharge chamber 101, and desulfurization chamber is connected with inlet plenum 28 through inlet shutter 24; The denitration chamber is connected with discharge chamber 101 through outlet grid 25; In the course of work of reality, flue gas enters into inlet plenum 28 through gas approach 7, and carries out desulfurization through desulfurization chamber successively; Further through the denitration chamber; The ammonia that logical ammonia pipeline 22 in the denitration chamber feeds has been realized denitration under the effect of active carbon, it is final through exhanst gas outlet 6 discharges to enter into discharge chamber 101 through the flue gas behind the desulphurization denitration, and active carbon enters in the tower body through feed arrangement 21; The active carbon that has absorbed oxysulfide and nitrogen oxide in the flue gas finally discharging opening through tower body 5 is discharged on second conveyer 9 and is transferred away, with the operation that is for further processing.Concrete; Desulfurization chamber in this structure is divided into along the multilayer active carbon desulfurization layer 27 on the flue gas direction through dividing plate 23 with holes at least; The denitration chamber is divided into along the multilayer active carbon denitration layer 26 on the flue gas direction through dividing plate 23 with holes at least; Above-mentioned desulfurization chamber and denitration chamber are separated into a plurality of active carbon layers, and flue gas passes through layer by layer, have improved the efficient of desulphurization denitration.Concrete, the active carbon in the above-mentioned desulfurization chamber is realized discharge through discharging opening 210, the active carbon in the denitration chamber is realized discharge through discharging opening 29.
Please refer to accompanying drawing 5, the figure shows the another kind of cut-away view of tower body 5, concrete; The inside center of tower body 5 is provided with inlet plenum 18, is positioned at the discharge chamber 111 of the both sides of tower body 5, has the desulfurization chamber and the denitration chamber that are connected between inlet plenum 18 and the discharge chamber 111; Be provided with the logical ammonia pipeline 12 of the air inlet side that is positioned at the denitration chamber in the inner chamber of tower body 5; The fumarole 121 of logical ammonia pipeline 12 is towards the direction of discharge chamber 111, and desulfurization chamber is connected with inlet plenum through inlet shutter 14, and the denitration chamber is connected with discharge chamber 111 through outlet grid 15; In the course of work of reality; Flue gas enters into inlet plenum 18 through gas approach 7, and the desulfurization chamber through inlet plenum 18 both sides carries out desulfurization successively, through the active carbon denitration layer 16 of denitration chamber; The ammonia that logical ammonia pipeline 12 in the denitration chamber feeds has been realized denitration under the effect of active carbon; Active carbon enters in the tower body through feed arrangement 11, enters into through the flue gas behind the desulphurization denitration that discharge chamber 111 is final discharges through exhanst gas outlets 6, and the active carbon finally discharging opening 8 through tower body is discharged on second conveyer 9 and is transferred away.Concrete, desulfurization chamber is divided into along the multilayer active carbon desulfurization layer 17 on the flue gas direction through dividing plate 13 with holes at least in the tower body of this structure, and the denitration chamber is divided into a plurality of active carbon layers at least through dividing plate 23 with holes, and flue gas passes through layer by layer, has improved the efficient of desulphurization denitration.Concrete, the active carbon in the above-mentioned desulfurization chamber is through discharging opening 110, and the active carbon in the denitration chamber is realized discharge through discharging opening 19.
Please continue with reference to accompanying drawing 5, in this structure, tower body 5 can have two feed arrangements 11; And respectively in the both sides of inlet plenum; Tower body 5 has two discharging taper buckets, is respectively the first discharging taper bucket and the second discharging taper bucket, and the first discharging taper bucket is communicated with the desulfurization chamber of the both sides of inlet plenum; The first discharging taper bucket is through discharging opening 110 dischargings; The second discharging taper bucket is realized dischargings through discharging opening 19, and this kind discharge method makes active carbon and the active carbon after the denitration after the desulfurization eject respectively, can control the active carbon circulation rate of desulfurization chamber and denitration chamber respectively.
In the tower body in the embodiment of the invention, the active carbon desulfurization layer is two-layer or three layers, and active carbon denitration layer is two-layer or three layers, like Fig. 5 or shown in Figure 6.Those skilled in the art carry out suitable adjustment according to the production scale of reality and the effect of desulphurization denitration, and this patent is not done concrete qualification to active carbon desulfurization layer and active carbon denitration layer.
The discharge gate position of the various situation that provide in the embodiment of the invention is provided with the material roller of rotating speed adjustable, regulates the discharge velocity of active carbon through the rotating speed that changes material roller, finally realizes the circulation rate of active carbon.
Can draw through above-mentioned description to two kinds of housing structures, the position that tower body 5 has active carbon is divided into desulfurization chamber and denitration chamber, and the air inlet side in the denitration chamber is provided with logical ammonia pipeline; Flue gas carries out desulfurization at desulfurization chamber to be handled, and enters into the denitration chamber, by the logical ammonia pipeline feeding ammonia of denitration chamber air inlet side; Ammonia combines the active carbon in the denitration chamber that the nitrogen oxide in the flue gas is removed; This patent is combined in desulphurization denitration in the tower body and removes, and has guaranteed under the prerequisite of desulphurization denitration, has avoided the prior art sulphur oxide to feeding the influence of ammonia; Reduce the consumption of ammonia, and then reduced the cost of desulphurization denitration.
In addition, in the adsorption process of reality, the active carbon in the feed hopper 4 all is transported to and carries out absorption work in the tower body 5; Active carbon in this process in the feed hopper 4 is all discharged; First conveyer 1 is defeated material in feed hopper 4, and material drops into feed hopper 4 from the charging aperture 41 of feed hopper 4 bottom is till feed hopper 4 fills up, and the drop of active carbon is bigger in this process; Fall and decrease seriously; In order to address the above problem, the feed hopper 4 of the adsorption tower that the embodiment of the invention provides has been done improvement, and concrete feed hopper 4 comprises warehouse 42 and the first taper baffle 45 relative with the charging aperture of warehouse 41; Wherein, The inwall of warehouse 42 is provided with many and between the inwall of chute 43, the first taper baffles 45 that the bottom spiral extends and warehouse 42, forms the water conservancy diversion relative with the import of chute 43 from the top of warehouse and stitch, and the bottom of warehouse 42 is provided with a plurality of being used for and is connected with the distributor pipe 10 of adsorption tower; And the discharge opening 46 that is connected mutually with the outlet of chute 43; The active carbon material gets into the back through charging aperture 41 and under the guide functions of the first taper baffle 45, enters into chute 43 through the water conservancy diversion seam, slips to the bottom through chute from the top of feed hopper, and finally enters into the conveying that distributor pipe 10 is realized the active carbon material through discharge opening 46.In order to realize that materials flow guides better to active carbon, the guide face of the above-mentioned first taper baffle 45 is provided with guiding gutter, and guiding gutter is connected with the import of chute, has improved the accuracy of water conservancy diversion.
Certainly; Feed hopper 4 is a tubular structure under the common situation, and the bottom is flat, for all active carbon materials that ensure in the feed bin 4 all are transported in the tower body 5 through distributor pipe 10; Concrete; This feed bin of above-mentioned adsorption tower also comprises the second taper baffle, and the end that this baffle cross-sectional area is bigger is positioned at the bottom of warehouse, and discharge opening 46 distributes along the bottom margin of the second taper baffle 44.Certainly in order to guarantee that the active carbon material is all through distributor pipe 10 discharges; Can also realize through the polycrystalline substance that changes warehouse 42; Concrete; It is protruding that said warehouse 42 has the taper water conservancy diversion that is formed by the bottom indent, and the vertex of a cone of said taper water conservancy diversion convexity is relative with the said first taper baffle 45, and said discharge opening 46 distributes along the protruding bottom margin of said taper water conservancy diversion.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an adsorption tower comprises tower body, and wherein: said tower body inner chamber has inlet plenum and discharge chamber and is positioned between the two; And desulfurization chamber that communicates and denitration chamber; It is characterized in that said desulfurization chamber is connected with said inlet plenum through the inlet shutter, said denitration chamber is connected with said discharge chamber through the outlet grid; This adsorption tower also comprises the logical ammonia pipeline of the air inlet side that is arranged on said denitration chamber, and the fumarole of said logical ammonia pipeline is towards the direction of said discharge chamber.
2. adsorption tower according to claim 1 is characterized in that said inlet plenum is positioned at the center of said tower body, and said desulfurization chamber and denitration chamber are two, and all is arranged symmetrically in the both sides of said inlet plenum.
3. adsorption tower according to claim 2; It is characterized in that; Said desulfurization chamber is divided into along the multilayer active carbon desulfurization layer on the flue gas direction through dividing plate with holes at least, and said denitration chamber also is divided into along the multilayer active carbon denitration layer on the flue gas direction through dividing plate with holes at least.
4. adsorption tower according to claim 3 is characterized in that, the quantity of said active carbon desulfurization layer is 2 layers or 3 layers, and the quantity of said active carbon denitration layer is 2 layers or 3 layers.
5. adsorption tower according to claim 2 is characterized in that, said tower body has two charging apertures, and is distributed in the both sides of said inlet plenum respectively; Said tower body has two discharging taper buckets; Be respectively the first discharging taper bucket and the second discharging taper bucket; The said first discharging taper bucket is communicated with the desulfurization chamber of said inlet plenum both sides; The said second discharging taper bucket is communicated with the denitration chamber of inlet plenum both sides, and the discharging opening of the said first discharging taper bucket and the second discharging taper bucket is provided with the material roller of rotating speed adjustable.
6. adsorption tower according to claim 1 is characterized in that, also comprises the feed hopper through distributor pipe and said tower body intracavity inter-connection.
7. adsorption tower according to claim 6; It is characterized in that; Said feed hopper comprises warehouse and the first taper baffle relative with the charging aperture of said warehouse; The inwall of said warehouse is provided with many chutes that extend to the bottom spiral from the top of said warehouse; Form the water conservancy diversion seam relative with the import of said chute between the inwall of said first taper baffle and warehouse, the bottom of said warehouse is provided with a plurality of being used for and is connected with the distributor pipe of said adsorption tower, and the discharge opening that is connected mutually with the outlet of said chute.
8. adsorption tower according to claim 7 is characterized in that, comprises that also the bigger end of cross-sectional area is positioned at the second taper baffle of the bottom of said warehouse, and said discharge opening distributes along the bottom margin of the said second taper baffle.
9. adsorption tower according to claim 7 is characterized in that the guide face of the said first taper baffle is provided with guiding gutter, and said guiding gutter is connected with the import of said chute.
10. adsorption tower according to claim 7; It is characterized in that; It is protruding that said warehouse has the taper water conservancy diversion that is formed by the bottom indent, and the vertex of a cone of said taper water conservancy diversion convexity is relative with the said first taper baffle, and said discharge opening distributes along the protruding bottom margin of said taper water conservancy diversion.
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| CN103405982A (en) * | 2013-07-02 | 2013-11-27 | 香港诺曼泰壹环保科技有限公司 | Smoke purification device |
| CN103585868A (en) * | 2013-11-27 | 2014-02-19 | 张博 | Flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method |
| CN104857854A (en) * | 2015-05-18 | 2015-08-26 | 杨祝红 | Reverse-flow type flue gas purifying device and purifying units thereof |
| CN108371872A (en) * | 2018-04-08 | 2018-08-07 | 中冶长天国际工程有限责任公司 | The desulfuring and denitrifying apparatus of NO_x Reduction by Effective |
| CN109092008A (en) * | 2018-08-02 | 2018-12-28 | 中南大学 | A kind of sintering flue gas active carbon high-efficiency purification process |
| CN109865414A (en) * | 2019-03-18 | 2019-06-11 | 河北航天环境工程有限公司 | A kind of novel absorbent charcoal desulfuring and denitrifying apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104857854A (en) * | 2015-05-18 | 2015-08-26 | 杨祝红 | Reverse-flow type flue gas purifying device and purifying units thereof |
| CN108371872A (en) * | 2018-04-08 | 2018-08-07 | 中冶长天国际工程有限责任公司 | The desulfuring and denitrifying apparatus of NO_x Reduction by Effective |
| CN109092008A (en) * | 2018-08-02 | 2018-12-28 | 中南大学 | A kind of sintering flue gas active carbon high-efficiency purification process |
| CN109865414A (en) * | 2019-03-18 | 2019-06-11 | 河北航天环境工程有限公司 | A kind of novel absorbent charcoal desulfuring and denitrifying apparatus |
| CN109865414B (en) * | 2019-03-18 | 2021-09-10 | 河北航天环境工程有限公司 | Activated carbon desulfurization and denitrification device |
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