CN2160452Y - Device for dusting, desulfurizing and denitrifying - Google Patents
Device for dusting, desulfurizing and denitrifying Download PDFInfo
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- CN2160452Y CN2160452Y CN 93217492 CN93217492U CN2160452Y CN 2160452 Y CN2160452 Y CN 2160452Y CN 93217492 CN93217492 CN 93217492 CN 93217492 U CN93217492 U CN 93217492U CN 2160452 Y CN2160452 Y CN 2160452Y
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- dust
- removal
- group
- nitrogen rejection
- rejection facility
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Abstract
The utility model discloses a novel device for dust removal, desulfurization and denitrification. The utility model is characterized in that a multitube dust remover or a single-tube single-cylinder dust remover or a rough stone water membrane dust remover is used as front dust removing equipment which is matched with a spraying reactor having high desulphurizing and denitrifying efficiency, a dehydration demister and an automatic medicine feeding device. The desulfurizing efficiency reaches from 78% to 93.6%, the denitrifying efficiency can reach to 28.2%, and the dust removing efficiency is higher than 95%. No sewage is drained, the side products can be used as fertilizers, the energy consumption and the water consumption are little, the absorbents adopt agricultural ammonia water, the cost is low, and the operation is simple. The utility model can be used for the smoke elimination, the dust removal, the desulphurization and the denitrification of various boilers and industrial furnaces.
Description
The utility model belongs to the flue gas processing technology field, specifically a kind of novel dust removing desulfurization removing nitric device.
Shortcomings such as desulfurizer in the prior art (as lime method, two alkaline process, magnesium oxide method and stove water, lime-ash water law) ubiquity obstruction, fouling, burn into fan belt water, its desulfuration efficiency is low, need slag liquid treatment facility, floor space is bigger, energy consumption is higher, capital cost, often running cost is all more higher, and operational management is complicated.
The purpose of this utility model is to design a kind of novel dust removing desulfurization removing nitric device, to overcome above-mentioned shortcoming.
Design of the present utility model is as follows, it is made up of deduster, spray reactor, dehydrating demisting device, air-introduced machine, automatic medicine adding apparatus, pump and sprayer, the outlet of deduster is connected with the upper end of spray reactor through airduct, the venturi type reactor that spray reactor is made up of converging transition, adsorption reaction section and diffuser, the lower end of spray reactor is connected with the import of dehydrating demisting device, the outlet of dehydrating demisting device is connected with air-introduced machine, and the automatic medicine adding apparatus that absorbent is housed is connected with sprayer by pump, water pipe.
The utlity model has following advantage:
1. owing to designed the venturi type desulfurization reactor,, can reach 78～93.6% so the desulfuration efficiency of this device is higher; And the efficiency of dust collection that can make original deduster improves 4～12%, and total efficiency of dust collection is greater than 95%, a class district-level standard of defined in being up to state standards.
2. do not have the sewage discharge problem, byproduct can be made chemical fertilizer, has avoided the secondary pollution of solid waste.
3. energy consumption and water content consumption are little, and water consumption has only 1% of wet dedusting.
4. owing to designed the dehydrating demisting device, avoided the shortcoming of fan belt water operation.
5. equipment installation, operation, simple and convenient management, floor space is little.
6. the absorbent source is abundant, and it is all lower that low price, operating cost reach once investment.
This device is all applicable to flue gas ash removal, desulfurization, the denitrogenation of sulphur coal, medium sulphur coal and low-sulfur coal, can be used for the smoke evacuation dust-removal and desulfurizing denitrogenation of Industrial Boiler, heating boiler, Industrial Stoves, station boiler and chemical industry, metallurgy industry.
The utility model has following accompanying drawing:
The novel desulfurization removing nitric device of Fig. 1 is formed schematic diagram
The directed locator structure schematic diagram of Fig. 2
Fig. 3 adopts the layout schematic diagram of three nozzles
Fig. 4 adopts the layout schematic diagram of six nozzles
Fig. 5 automatic medicine adding apparatus structural representation
Fig. 6 stores medicine-chest, concentration allotment case profile schematic diagram
Fig. 7 fluid side schematic diagram
Fig. 8 defogging device structural representation that dewaters
Fig. 9 framework schematic diagram
Figure 10 framework schematic diagram
Figure 11 screen schematic diagram that dewaters
Figure 12 silk screen schematic diagram that dewaters
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is that novel desulfurization removing nitric device is formed schematic diagram, and wherein deduster (2) can adopt existing deduster (dry method, hydrofilter all can).Spray reactor is the venturi type reactor that desulfurization removing nitric is used, and can be made up of for (15) three sections converging transition (13), adsorption reaction section (14) and diffuser.Sprayer is arranged in the adsorption reaction section (14), is made up of at least one nozzle (3) and corresponding directed locator (29).The absorbent that is come by automatic medicine adding apparatus (7) sprays through nozzle (3), and the utility model adopts ammoniacal liquor as absorbent, the SO in adsorption reaction section absorbent and flue gas
2Fully reaction generates sulfate, is attracted in the middle of the porous flyash, can become agrochemical.It is as follows to absorb the technological principle that decomposes:
2NH
4OH＋SO
2＝（NH
4）
2SO
3＋H
2O
（NH
4）
2SO
3＋SO
2＋H
2O＝2NH
4HSO
3
SO
2Absorbent be the cyclic process of the aqueous solution from the ammonium sulfite to the ammonium bisulfite, along with the carrying out of absorption process, the ammonium bisulfite in the circulation fluid increases gradually, and absorbability descends, need to replenish a part of ammonia, so that ammonium bisulfite partly changes ammonium sulfite into.Owing to also exist nitrogen oxide in the flue gas, the ammonium sulfite that in sweetening process, is produced again with flue gas in nitrogen oxide work:
4（NH
4）
2SO
3＋2NO
2→4（NH
4）
2SO
4＋N
2↑
Thereby make this device that efficiencies of nitrogen removal preferably be arranged, denitrogenate efficient and can reach 28.2%.
The nonaqueous dust cleaner that the utility model adopts can have single tube monotubular deduster or multicyclone; The hydrofilter that adopts can be a gallet water curtain dust collector.When adopting the multicyclone deduster, sprayer is arranged in the adsorption reaction section (14) of spray reactor, is made up of at least one nozzle (3) and corresponding directed locator (29).When adopting single tube monotubular deduster or gallet water curtain dust collector, two groups of sprayers can be set, one group of principle, effect with a last scheme is identical, be arranged in the adsorption reaction section (14) of spray reactor, form by at least one nozzle (3) and corresponding directed locator (29), another group is arranged in the blast pipe of deduster (2), is made up of at least one nozzle (1) and corresponding directed locator (29).
Deduster of the present utility model (2) bottom can be provided with water seal strand cage soot blower (8) and grey car (9); Air-introduced machine (12) links to each other with chimney (5), and the flue gas after handling is entered atmosphere.
Because nozzle (1,3) all is mounted in the flue, in order to dismantle, to overhaul conveniently, the utility model has designed a kind of directed locator (referring to Fig. 2), it is the sleeve of a cuboid, is fixedly mounted on the flue (or equipment), and an end has the opening along airflow direction, the other end stretches out outside the flue, can insert or extract nozzle easily, nozzle faces opening after inserting, by directed locator automatic orientation location.For the design of a plurality of nozzles, the corresponding directed locator of Ying Youqi all by the radially installation of flue, evenly distributes, to obtain dedusting preferably, desulfurization, denitrification effect.Layout drawing when adopting three nozzles and six nozzles is respectively referring to Fig. 3, Fig. 4, and they are installed on the flue of diameter 800 and 1000 respectively, suitable treating capacity be respectively 6 tons/time and 10 tons/time.
Fig. 6 has provided the automatic medicine adding apparatus structural representation, and it comprises two kinds of designs.First kind of scheme is the magnetic valve automatic control scheme, form by storage medicine-chest (17), concentration allotment case (18), running water pipe (19), ball-cock assembly (27), ball float (22) and magnetic valve (23), storage medicine-chest (17) places the top of allotment case (18), and the two all can be designed to rectangular box.Running water pipe (19) is installed on the allotment case, and pipe end is equipped with ball-cock assembly (27), by the switch that places ball float (22) the control ball-cock assembly in the allotment case, thus the switch of control running water pipe.Ball float swims on the liquid level, is connected with ball-cock assembly (27) by ball lever (28), and its operation principle is identical with Automatic water tank.Magnetic valve (23) will be store medicine-chest by water pipe and be communicated with the allotment case.Magnetic valve (23), pump (6) and air-introduced machine (12) are chain, and programme-control is after boiler combustion, start air-introduced machine, the pump entry into service is delivered to the sprayer ejection through water pipe (16) with absorbent, carry out dedusting, desulfurization, denitrogenation, the liquid level in the concentration allotment case is descended.Simultaneously, magnetic valve is opened, and the ball-cock assembly on the running water pipe is also opened, and soup (absorbent) in the storage medicine-chest and running water add concentration allotment case simultaneously, normally move with assurance device.Water pipe (16) is communicated with the backflow of the residual absorbent of water pipe when being used for overhauling (16) through return valve (24) with the allotment case.
Second kind of scheme is the mechanical type automatic control scheme, is made up of storage medicine-chest (17), concentration allotment case (18), running water pipe (19), ball-cock assembly (27), ball float (22), lever (25), lever valve (20) and control valve (21).The difference of a this programme and a last scheme is to have made solenoid control into mechanical type control, lever valve (20) is installed in storage medicine-chest (17) bottom, and be connected by control valve (21) and concentration allotment case (18), lever (25) is installed on the fluid storage tank, one end is connected with ball float (22), and the other end is connected with lever valve (20).Like this, can control the addition of running water and absorbent, realize mechanical automatic adjusting by ball float.
Because present design adopts ammoniacal liquor to make absorbent, in order to prevent the ammoniacal liquor volatilization, above the ammoniacal liquor in the storage medicine-chest one deck oil sealing layer (26) is arranged, the storage medicine-chest is provided with the funnel (33) of reinforced usefulness, is connected with the plastic tube (34) that inserts absorbent under the funnel (33).Can guarantee to seal intact, reliable like this, keep the workplace free from extraneous odour.The oil sealing layer can adopt machine oil or vegetable oil (referring to Fig. 7).
Fig. 8 is dehydration defogging device structural representation, and its main body (35) is a square casing, also can make cuboid, and top is import, and the side is outlet, and the bottom is a discharge outlet.Be provided with the dehydration screen in its import, be provided with dehydration screen (30) or dehydration silk screen (31) in its outlet, be provided with water seal in its discharge outlet, discharge outlet can be designed to convergent shape.Screen (30) and silk screen (31) can be fixed on the framework (32), extract maintenance out, clean (referring to Fig. 9, Figure 10) with integral body.
Figure 11 is dehydration screen schematic diagram, and it is one group of baffle plate being arranged by palisade behind the whole plate bending forming of a piece, and is according to bump, adhesion, condensation principle design, similar to the principle of windshield interception rainwater.The globule hits on screen, being ground into water smoke tiny, that disperse sticks on the screen, constantly be condensed into the globule then, along the curved concentrated flow of screen to discharge outlet, thereby the water in the flue gas is taken off, make the globule in the spraying absorption process obtain removing, avoided fan belt water and chimney to emit the phenomenon of white cigarette.
Figure 12 is dehydration silk screen schematic diagram, and the silk screen from level to level that it is made into by silk ribbon overlaps and forms, designs according to filtration, interception, condensation principle.When flue gas is filtered, with the globule, water smoke interception, be condensed into the globule gradually, flow to discharge outlet along framework, thereby the water in the flue gas is taken off.
Claims (19)
1, a kind of novel dust removing desulfurization removing nitric device, it is characterized in that it is by deduster (2), spray reactor (4), dehydrating demisting device (10), air-introduced machine (12), automatic medicine adding apparatus (7), pump (6) and sprayer are formed, the outlet of deduster (2) is connected through the upper end of airduct with spray reactor (4), spray reactor (4) is by converging transition (13), the venturi type reactor that adsorption reaction section (14) and diffuser (15) are formed, the lower end of spray reactor (4) is connected with the import of dehydrating demisting device (10), the outlet of dehydrating demisting device (10) is connected with air-introduced machine (12), and the automatic medicine adding apparatus (7) that absorbent is housed is by pump (6), water pipe (16) is connected with sprayer.
2, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 1, it is characterized in that said deduster (2) adopts the multicyclone deduster, said sprayer is arranged in the adsorption reaction section (14) of spray reactor (4), is made up of at least one nozzle (3) and corresponding directed locator (29).
3, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 1, it is characterized in that said deduster (2) adopts single tube monotubular deduster, one group in said sprayer is arranged in the adsorption reaction section (14) of spray reactor (4), form by at least one nozzle (3) and corresponding directed locator (29), another group is arranged in the blast pipe of deduster (2), is made up of at least one nozzle (1) and corresponding directed locator (29).
4, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 1, it is characterized in that said deduster (2) adopts gallet water curtain dust collector, one group in said sprayer is arranged in the adsorption reaction section (14) of spray reactor (4), form by at least one nozzle (3) and corresponding directed locator (29), another group is arranged in the blast pipe of deduster (2), is made up of at least one nozzle (1) and corresponding directed locator (29).
5, dust-removal and desulfurizing nitrogen rejection facility as claim 1 or 2 or 3 or 4, it is characterized in that said automatic medicine adding apparatus (7) is by storage medicine-chest (17), concentration allotment case (18), running water pipe (19), ball-cock assembly (27), ball float (22) and magnetic valve (23) are formed, storage medicine-chest (17) places the top of allotment case (18), running water pipe (19) is installed on the allotment case (18), pipe end is equipped with ball-cock assembly (27), ball float (22) places in the allotment case (18), and be connected with ball-cock assembly (27) by ball lever (28), magnetic valve (23) will be store medicine-chest (17) and allocate case (18) and be communicated with by water pipe.
6, dust-removal and desulfurizing nitrogen rejection facility as claim 1 or 2 or 3 or 4, it is characterized in that said automatic medicine adding apparatus (7) is by storage medicine-chest (17), concentration allotment case (18), running water pipe (19), ball-cock assembly (27), ball float (22), lever (25), lever valve (20) and control valve (21) are formed, storage medicine-chest (17) places the top of allotment case (18), running water pipe (19) is installed on the allotment case (18), pipe end is equipped with ball-cock assembly (27), ball float (22) places in the allotment case (18), and be connected with ball-cock assembly (27) by ball lever (28), lever valve (20) is installed in storage medicine-chest (17) bottom, and by control valve (21) with the allotment case (18) communicate, lever (25) is installed on the fluid storage tank (17), one end is connected with ball float (22), and the other end is connected with lever valve (20).
7, as the dust-removal and desulfurizing nitrogen rejection facility of claim 1 or 2 or 3 or 4, it is characterized in that said absorbent is an ammoniacal liquor, and storage medicine-chest (17) interior ammoniacal liquor above have one deck to be used to the oil sealing layer (26) that prevents that ammoniacal liquor from volatilizing.
8, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 5 is characterized in that said absorbent is an ammoniacal liquor, and storage medicine-chest (17) interior ammoniacal liquor above have one deck to be used to the oil sealing layer (26) that prevents that ammoniacal liquor from volatilizing.
9, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 6 is characterized in that said absorbent is an ammoniacal liquor, and storage medicine-chest (17) interior ammoniacal liquor above have one deck to be used to the oil sealing layer (26) that prevents that ammoniacal liquor from volatilizing.
10, as the dust-removal and desulfurizing nitrogen rejection facility of claim 1 or 2 or 3 or 4, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof and side exit respectively are provided with one group of dash screen (30) by bump, adhesion, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
11, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 5, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof and side exit respectively are provided with one group of dash screen (30) by bump, adhesion, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
12, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 6, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof and side exit respectively are provided with one group of dash screen (30) by bump, adhesion, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
13, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 7, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof and side exit respectively are provided with one group of dash screen (30) by bump, adhesion, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
14, as the dust-removal and desulfurizing nitrogen rejection facility of claim 8 or 9, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof and side exit respectively are provided with one group of dash screen (30) by bump, adhesion, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
15, as the dust-removal and desulfurizing nitrogen rejection facility of claim 1 or 2 or 3 or 4, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof is provided with one group of dash screen (30) by bump, adhesion, condensation principle design, be provided with one group of dehydration silk screen (31) at its side exit by filtration, interception, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
16, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 5, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof is provided with one group of dash screen (30) by bump, adhesion, condensation principle design, be provided with one group of dehydration silk screen (31) at its side exit by filtration, interception, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
17, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 6, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof is provided with one group of dash screen (30) by bump, adhesion, condensation principle design, be provided with one group of dehydration silk screen (31) at its side exit by filtration, interception, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
18, dust-removal and desulfurizing nitrogen rejection facility as claimed in claim 7, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof is provided with one group of dash screen (30) by bump, adhesion, condensation principle design, be provided with one group of dehydration silk screen (31) at its side exit by filtration, interception, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
19, as the dust-removal and desulfurizing nitrogen rejection facility of claim 8 or 9, it is characterized in that said dehydration defogging device (10) main body is a square casing, import at an upper portion thereof is provided with one group of dash screen (30) by bump, adhesion, condensation principle design, be provided with one group of dehydration silk screen (31) at its side exit by filtration, interception, condensation principle design, its underpart is the discharge outlet of convergent shape, and is provided with water sealed tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217492 CN2160452Y (en) | 1993-07-06 | 1993-07-06 | Device for dusting, desulfurizing and denitrifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217492 CN2160452Y (en) | 1993-07-06 | 1993-07-06 | Device for dusting, desulfurizing and denitrifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2160452Y true CN2160452Y (en) | 1994-04-06 |
Family
ID=33797410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93217492 Expired - Fee Related CN2160452Y (en) | 1993-07-06 | 1993-07-06 | Device for dusting, desulfurizing and denitrifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2160452Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100496674C (en) * | 2007-04-30 | 2009-06-10 | 武汉凯迪电力环保有限公司 | Bilateral opposite flushing inlet wet ammonia method for flue gas desulfurizing technology and device thereof |
| CN101927126B (en) * | 2010-01-07 | 2012-07-25 | 高飞 | Method for carrying out uncatalyzed direct oxidation treatment on gas containing nitric oxide by using Venturi oxidizer |
| CN104888558A (en) * | 2015-06-16 | 2015-09-09 | 河南海力特机电制造有限公司 | High-pressure water-mist venturi pipe assembly |
| CN105944539A (en) * | 2016-06-17 | 2016-09-21 | 中国重型机械研究院股份公司 | Venturi type desulfurizing device adopting spray drying method and desulfurizing method of desulfurizing device |
| CN110124887A (en) * | 2019-06-18 | 2019-08-16 | 大唐郓城发电有限公司 | A kind of desulphurization denitration deduster dedicated swirl cover |
-
1993
- 1993-07-06 CN CN 93217492 patent/CN2160452Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100496674C (en) * | 2007-04-30 | 2009-06-10 | 武汉凯迪电力环保有限公司 | Bilateral opposite flushing inlet wet ammonia method for flue gas desulfurizing technology and device thereof |
| CN101927126B (en) * | 2010-01-07 | 2012-07-25 | 高飞 | Method for carrying out uncatalyzed direct oxidation treatment on gas containing nitric oxide by using Venturi oxidizer |
| CN104888558A (en) * | 2015-06-16 | 2015-09-09 | 河南海力特机电制造有限公司 | High-pressure water-mist venturi pipe assembly |
| CN105944539A (en) * | 2016-06-17 | 2016-09-21 | 中国重型机械研究院股份公司 | Venturi type desulfurizing device adopting spray drying method and desulfurizing method of desulfurizing device |
| CN105944539B (en) * | 2016-06-17 | 2018-10-09 | 中国重型机械研究院股份公司 | A kind of venturi type spray drying process desulfurizer and its sulfur method |
| CN110124887A (en) * | 2019-06-18 | 2019-08-16 | 大唐郓城发电有限公司 | A kind of desulphurization denitration deduster dedicated swirl cover |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |