CN107754578A - A kind of industry coal-boiler flue gas minimum discharge complete set of equipments - Google Patents
A kind of industry coal-boiler flue gas minimum discharge complete set of equipments Download PDFInfo
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- CN107754578A CN107754578A CN201710983526.XA CN201710983526A CN107754578A CN 107754578 A CN107754578 A CN 107754578A CN 201710983526 A CN201710983526 A CN 201710983526A CN 107754578 A CN107754578 A CN 107754578A
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- Prior art keywords
- minimum discharge
- equipment
- workbench
- scr
- electrical dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/16—Plant or installations having external electricity supply wet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention relates to a kind of industry coal-boiler flue gas minimum discharge complete set of equipments, including SCR MSD type low-temperature denitrations equipment, high-efficiency desulfurization equipment, minimum discharge wet electrical dust precipitator, smoke-intake pipe and pipe, the SCR MSD types low-temperature denitration equipment right-hand member is provided with smoke-intake pipe, the SCR MSD types low-temperature denitration equipment left end is provided with high-efficiency desulfurization equipment, the high-efficiency desulfurization equipment left end is provided with minimum discharge wet electrical dust precipitator, and the minimum discharge wet electrical dust precipitator upper end is provided with pipe.Cost of the present invention is low, energy-conserving and environment-protective, and gas cleaning effect is good.
Description
Technical field
The present invention relates to fume treatment product accessories field, specially a kind of industry coal-boiler flue gas minimum discharge is complete
Equipment.
Background technology
The technology of the present invention level is domestically leading：The technology is that independently invention is special for Mo Sen Genie et Environnement of Foshan City
Profit, good low temperature active：At 160 DEG C -400 DEG C, NOx removal efficiency is more than 90%.2) go into operation and most building achievement：
Technology engineer applied since 2010, applied to the ceramic Co., Ltd's kiln of Shandong Kapp that；Yunnan elder brother's steel titanium plate,
The leading enterprise on the ground such as Hubei benefit Thailand, Shandong region, Shenyang trimerization, Shandong pharmaceutical glass, Baosteel Zhanjiang, wherein Kunming, Yunnan steel
The low-temperature SCR system of ferrotitanium industry group is applied nearly 6 years so far from 2010, the low-temperature SCR system operation of the safe medicine company of Hubei benefit
3 years, (glass industry smoke components were complicated, and dust glues in 1 year half for the low-temperature SCR system operation of Shandong Province's pharmaceutical glass
Great Yi blocking catalysts are spent, when the higher especially half an hour commutation of SO2 concentration).So far cover, make pottery in engineering more than 40 of building and put into operation
Porcelain kiln；Coke oven and domestic glass field achievement are most.After Fia pharmaceutical glass manufacturing enterprise Shandong pharmaceutical glass, again
The successfully input industrialization operation of first set Baosteel Zhanjiang one phase of the steel flue gases of cock oven desulphurization denitration engineering in the Zuo Liao worlds, the present invention
Have the following advantages：3) for operating cost than relatively low, catalyst efficiency activity is higher, catalyst activity under more than 180 DEG C cryogenic conditions
Preferably, the smaller consumption that can reduce ammonia of ammonia/nitrogen mole, and then lower operating cost；Catalyst service life more than 3 years,
Cost performance is higher, therefore catalyst amortization charge is low；4) freely recovery spent catalyst I take charge of and promise to undertake that catalyst reaches 3 years and made
With free recovery is responsible for after the life-span, owner's catalyst dangerous waste processing cost is reduced；5) the catalyst on-line regeneration technology technology can
Recover the activity of catalyst with quick in situ, and do not influence system normal operation, reduce catalyst regeneration time loss and
Working strength.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of industry coal-boiler flue gas minimum discharge into
Complete equipment, to solve the problems mentioned in the above background technology, the present invention are easy to use, simple to operate, and systematicness is high, practicality
By force.
To achieve the above object, the present invention provides following technical scheme：A kind of industry coal-boiler flue gas minimum discharge into
Complete equipment, including SCR-MSD type low-temperature denitrations equipment, high-efficiency desulfurization equipment, minimum discharge wet electrical dust precipitator, smoke-intake pipe, go out
Smoke pipe and workbench two, the SCR-MSD types low-temperature denitration equipment right-hand member are provided with smoke-intake pipe, the SCR-MSD types low temperature
Denitration device left end is provided with high-efficiency desulfurization equipment, and the high-efficiency desulfurization equipment left end is provided with minimum discharge wet-esp
Device, the minimum discharge wet electrical dust precipitator upper end are provided with pipe, and the workbench two is provided with two or more, two or more
The workbench two is each attached in high-efficiency desulfurization equipment, and the minimum discharge wet electrical dust precipitator includes workbench one and climbed
Ladder, the workbench one are provided with two or more, and workbench one is equidistantly fixed on minimum discharge wet-esp described in two or more
On device, cat ladder is respectively and fixedly provided between workbench described in two or more.
Further, the SCR-MSD types low-temperature denitration equipment is connected by connecting tube two with high-efficiency desulfurization equipment.
Further, the high-efficiency desulfurization equipment is connected by adapter one with minimum discharge wet electrical dust precipitator.
Compared with prior art, the beneficial effects of the invention are as follows：Operating cost of the present invention is than relatively low：Catalyst efficiency activity
Higher, catalyst activity is preferable under more than 180 DEG C cryogenic conditions, and ammonia/nitrogen mole is smaller can to reduce the consumption of ammonia, and then subtracts
Low operating cost；Catalyst service life more than 3 years, cost performance are higher, therefore catalyst amortization charge is low；The present invention also uses
Catalyst on-line regeneration technology：The technology can recover the activity of catalyst with quick in situ, and not influence system normal operation,
Reduce the time loss and working strength of catalyst regeneration.Cost of the present invention is low, energy-conserving and environment-protective, and flue gas ash removal effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of partial perspective view in the present invention；
In reference：1.SCR-MSD type low-temperature denitration equipment；2. high-efficiency desulfurization equipment；3. minimum discharge wet type electricity removes
Dirt device；4. smoke-intake pipe；5. pipe；6. workbench one；7. cat ladder；8. connecting tube one；9. workbench two；10. connecting tube two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of industry coal-boiler flue gas minimum discharge is into being arranged
It is standby, including SCR-MSD type low-temperature denitrations equipment 1, high-efficiency desulfurization equipment 2, minimum discharge wet electrical dust precipitator 3, smoke-intake pipe 4, go out
Smoke pipe 5 and workbench 29, the right-hand member of SCR-MSD type low-temperature denitrations equipment 1 are provided with smoke-intake pipe 4, SCR-MSD type low-temperature denitrations
The left end of equipment 1 is provided with high-efficiency desulfurization equipment 2, and the left end of high-efficiency desulfurization equipment 2 is provided with minimum discharge wet electrical dust precipitator 3, surpasses
The upper end of low emission wet electrical dust precipitator 3 is provided with pipe 5, and workbench 29 is provided with two or more, two or more workbench 29
It is each attached in high-efficiency desulfurization equipment 2.
Minimum discharge wet electrical dust precipitator 3 includes workbench 1 and cat ladder 7, and workbench 1 is provided with two or more, and two
It is individual to be equidistantly fixed on upper table 1 on minimum discharge wet electrical dust precipitator 3, it is respectively and fixedly provided between two or more workbench 6
Cat ladder 7.
SCR-MSD type low-temperature denitrations equipment 1 is connected by connecting tube 2 10 with high-efficiency desulfurization equipment 2, and high-efficiency desulfurization is set
Standby 2 are connected by connecting tube 1 with minimum discharge wet electrical dust precipitator 3.
The present invention is at work：Flue gas enters from smoke-intake pipe 4 first carries out denitration in SCR-MSD type low-temperature denitrations equipment 1
Reaction, then enter from SCR-MSD type low-temperature denitrations equipment 1 in the equipment of high-efficiency desulfurization equipment 2 and carry out desulfurization, finally from high-efficiency desulfurization
The equipment of equipment 2, which enters, carries out dedusting in minimum discharge wet electrical dust precipitator 3, finally from the row of pipe 5 to air, minimum discharge is wet
The operation principle of formula electric cleaner 3 is as follows：Wet electrostatic demisting deduster is made up of high voltage electrostatic device and electrostatic precipitator body,
Its operation principle is as electrostatic precipitator, and simply receiving electrode uses honeycomb fashion Pipe bundle structure, each to precipitate corresponding 1 the moon of pole pipe
Pole corona wire.Negative height is applied to the corona wire being erected in wet electrostatic demisting deduster using high voltage electrostatic device during work
Piezoelectricity, it is coaxially arranged so as to form uneven high-voltage electrostatic field and two electrodes between corona wire and precipitation pole pipe
, precipitate the distance between electric-field intensity and the point and corona wire of each point in pole pipe and be inversely proportional.It is whole in the presence of electric field force
All form corona zone inside individual precipitation pole pipe, in corona zone, the anion (electronics) of high concentration from corona electrode continually
Directed movement is done so as to form corona current to precipitation pole pipe in ground.When the flue gas containing water smoke, dust and other pollutants enters
When precipitating pole pipe, due to the collision and diffusion of ion, water smoke, dust and pollutant are charged, then fast in the presence of electric field force
Speed arrives at the inwall of precipitation pole pipe and discharges electric charge simultaneously, and liquid film, liquid film, dust and pollutant are formed in receiving electrode inside pipe wall
Flow in the collecting tank of electrostatic precipitator bottom and focus under gravity, so as to reach trapping flue fog drip, dust
With the purpose of other pollutants.The dedusting demisting process of wet electrostatic demisting deduster can be summarized as the following four stage：Gas
Ionization, the cleaning of the heavy collection, dust of charged, the charged cloud particle of particle such as cloud.Compared with electrostatic precipitator, wet type is quiet
Electric demisting deduster has following 4 advantages：(1) because mutually the blend droplet of formation of dust and aqueous phase has good conduction
Property, therefore, it is possible to collect the dust of stickiness, high specific resistance that electrostatic precipitator can not collect.(2) there is no rapping apparatus and use
Single tube one-shot device, in the absence of secondary fly-up problem, also in the absence of the easy out of order problem of transmission device.(3) can provide several
The corona discharge power of times electrostatic precipitator, has very high demisting efficiency of dust collection, particularly with tiny dust granules, droplet,
Aerosol, metallic particles, acid mist etc. have very strong trapping ability.Electric field Ex between electrode is radial direction, and its value is
In formula：U：It is applied to interelectrode voltage；R：The radius of outer electrode；r：The radius of internal electrode；X：Appoint in space
Some distance of off-axis line.(4) in the case of using microcomputer controlled electro source and new sparking electrode, the dust in flue gas
Grain, droplet, aerosol, metallic particles, acid mist etc. can reach more than 0.1m/s in the migration velocity of electric field, and some is up to
0.12m/s.(the new sparking electrode of our company's production measures secondary corona current through practice use and is more than 0.7mA/m.) especially
It is worth noting that the wet electrostatic demisting deduster of wide polar distance, is improving dedusting demisting efficiency, dedusting demisting is reduced into we
There is very big advantage in face, while is also one of method for solving corona blocking, is that current wet electrostatic demisting deduster develops
One new trend.This deduster can reach below minimum discharge 5mg, and operating cost of the present invention is than relatively low：Catalyst efficiency activity
Higher, catalyst activity is preferable under more than 180 DEG C cryogenic conditions, and ammonia/nitrogen mole is smaller can to reduce the consumption of ammonia, and then subtracts
Low operating cost；Catalyst service life more than 3 years, cost performance are higher, therefore catalyst amortization charge is low；The present invention also uses
Catalyst on-line regeneration technology：The technology can recover the activity of catalyst with quick in situ, and not influence system normal operation,
Reduce the time loss and working strength of catalyst regeneration.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of industry coal-boiler flue gas minimum discharge complete set of equipments, including SCR-MSD type low-temperature denitration equipment (1), efficiently
Desulphurization plant (2), minimum discharge wet electrical dust precipitator (3), smoke-intake pipe (4), pipe (5) and workbench two (9), its feature
It is：SCR-MSD types low-temperature denitration equipment (1) right-hand member is provided with smoke-intake pipe (4), and the SCR-MSD types low-temperature denitration is set
Standby (1) left end is provided with high-efficiency desulfurization equipment (2), and high-efficiency desulfurization equipment (2) left end is provided with minimum discharge wet type electricity and removed
Dirt device (3), minimum discharge wet electrical dust precipitator (3) upper end are provided with pipe (5), and the workbench two () is provided with two
More than individual, workbench two (9) described in two or more is each attached in high-efficiency desulfurization equipment (2)；
The minimum discharge wet electrical dust precipitator (3) includes workbench one (6) and cat ladder (7), and the workbench one (6) is provided with
Two or more, workbench one (6) described in two or more are equidistantly fixed on minimum discharge wet electrical dust precipitator (3), two or more
Cat ladder (7) is respectively and fixedly provided between the workbench (6).
A kind of 2. industry coal-boiler flue gas minimum discharge complete set of equipments according to claim 1, it is characterised in that：It is described
SCR-MSD type low-temperature denitration equipment (1) is connected by connecting tube two (10) with high-efficiency desulfurization equipment (2).
A kind of 3. industry coal-boiler flue gas minimum discharge complete set of equipments according to claim 1, it is characterised in that：It is described
High-efficiency desulfurization equipment (2) is connected by connecting tube one (8) with minimum discharge wet electrical dust precipitator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983526.XA CN107754578A (en) | 2017-10-20 | 2017-10-20 | A kind of industry coal-boiler flue gas minimum discharge complete set of equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983526.XA CN107754578A (en) | 2017-10-20 | 2017-10-20 | A kind of industry coal-boiler flue gas minimum discharge complete set of equipments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107754578A true CN107754578A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710983526.XA Pending CN107754578A (en) | 2017-10-20 | 2017-10-20 | A kind of industry coal-boiler flue gas minimum discharge complete set of equipments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211709A (en) * | 2018-03-26 | 2018-06-29 | 佛山市莫森环境工程有限公司 | Kiln gas cleaning equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2463016A1 (en) * | 2009-08-05 | 2012-06-13 | Mitsubishi Heavy Industries, Ltd. | Device for treating exhaust gas and method for eliminating mercury from exhaust gas |
| CN102500188A (en) * | 2011-11-23 | 2012-06-20 | 浙江菲达脱硫工程有限公司 | Wet type electric dust-removing device |
| CN205517261U (en) * | 2016-02-03 | 2016-08-31 | 江门市同力环保科技有限公司 | Minimum discharge of many pollutants of industry coal fired boiler flue gas is desorption system in coordination |
-
2017
- 2017-10-20 CN CN201710983526.XA patent/CN107754578A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2463016A1 (en) * | 2009-08-05 | 2012-06-13 | Mitsubishi Heavy Industries, Ltd. | Device for treating exhaust gas and method for eliminating mercury from exhaust gas |
| CN102500188A (en) * | 2011-11-23 | 2012-06-20 | 浙江菲达脱硫工程有限公司 | Wet type electric dust-removing device |
| CN205517261U (en) * | 2016-02-03 | 2016-08-31 | 江门市同力环保科技有限公司 | Minimum discharge of many pollutants of industry coal fired boiler flue gas is desorption system in coordination |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211709A (en) * | 2018-03-26 | 2018-06-29 | 佛山市莫森环境工程有限公司 | Kiln gas cleaning equipment |
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Application publication date: 20180306 |