CN106955581A - FGD dust collection method - Google Patents
FGD dust collection method Download PDFInfo
- Publication number
- CN106955581A CN106955581A CN201710290090.6A CN201710290090A CN106955581A CN 106955581 A CN106955581 A CN 106955581A CN 201710290090 A CN201710290090 A CN 201710290090A CN 106955581 A CN106955581 A CN 106955581A
- Authority
- CN
- China
- Prior art keywords
- annular groove
- elastic plate
- absorption solution
- flue gas
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- 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
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of FGD dust collection method, this method uses a kind of desulfurizer, the desulfurizer includes the absorption tank body for being used to contain alkaline absorption solution, the air inlet pipe and escaping pipe led to tourie body phase, air inlet pipe is located at the lower end for absorbing tank body, escaping pipe is located at the upper end for absorbing tank body, annular groove is provided with tourie body, annular groove be included under the first annular groove and in the second upper annular groove, the diameter with diameter greater than the second annular groove of first annular groove, provided with the elastic plate that can be slided along the first annular groove in first annular groove, spring is provided with second annular groove, upper wall of the two ends of spring respectively with elastic plate and the second annular groove offsets, some passages are offered on elastic plate.This method can effectively ensure the concentration of the alkaline matter in alkaline absorption solution, and then the absorption to sulfur dioxide in flue gas has been effectively ensured, and reduce sulfur dioxide (SO2) emissions into air, the pollution caused to air.
Description
Technical field
The invention belongs to technical field of waste gas treatment, and in particular to a kind of FGD dust collection method.
Background technology
Sulfur dioxide pollution has turned into restriction China economy, the key factor of social sustainable development, therefore control dioxy
Change sulphur pollution imperative.At present, by sulfur removal technology, residing position difference can be using in desulfurization, burning before burning aborning
Three kinds of desulfurization methods of desulfurization after desulfurization and burning.Wherein, the flue gas desulfurization after burning is to control sulfur dioxide gas in the world at present
The Main Means that body pollution is used.The desulfurization technology has many kinds, by the reactiveness of sulfur removal technology be broadly divided into dry method,
Semidry method and the class of wet method three, wherein, Wet Flue Gas Desulfurization Technique is high with its desulfuration efficiency, it is simple to operate and apply it is the most extensive.
The method of Wet Flue Gas Desulfurization Technique is that alkaline absorption solution is housed in tourie body, and the alkaline absorption solution is generally hydrogen-oxygen
Change sodium or aqua calcis, be also associated with air inlet pipe and escaping pipe on tank body is absorbed, wherein air inlet pipe is normally at absorption
The downside of tank body, and extend under the liquid level of alkaline absorption solution, escaping pipe is located at the upside for absorbing tank body, by the flue gas after burning
It is passed into air inlet pipe, is entered after air inlet pipe in alkaline absorption solution, now the sulfur dioxide in flue gas will be with alkalescence absorption
Liquid is reacted, and reacted flue gas is discharged from escaping pipe again, thus avoid the discharge of sulfur dioxide in flue gas.
The problem of occurring following during using above method sulfur dioxide absorption：Due to sulfur dioxide constantly with
Alkali substance reaction in alkaline solution, therefore this method is in use for some time, with alkaline solution neutral and alkali material
Gradually decrease, the concentration of alkaline solution neutral and alkali material is gradually reduced, be passed into when constantly there is the flue gas containing sulfur dioxide
When in alkaline solution, absorption of the alkaline matter to sulfur dioxide in alkaline solution is also gradually decreased, and thus can cause not inhaled
The sulfur dioxide harvested, into air, is polluted with fume emission to air.
The content of the invention
In view of this, the concentration of alkaline solution neutral and alkali material can be effectively ensured it is an object of the invention to provide a kind of,
And then ensure the FGD dust collection method that alkaline matter absorbs to sulfur dioxide.
To reach above-mentioned purpose, the present invention provides following technical scheme：
FGD dust collection method, this method uses a kind of desulfurizer, and the desulfurizer includes being used to contain alkalescence
The absorption tank body of absorbing liquid, the air inlet pipe and escaping pipe led to tourie body phase, air inlet pipe are located at the lower end for absorbing tank body, outlet
Pipe be located at absorb tank body upper end, in tourie body be provided with annular groove, annular groove be included under the first annular groove and upper second
Provided with the elastic plate that can be slided along the first annular groove in annular groove, the diameter with diameter greater than the second annular groove of the first annular groove, the first annular groove,
It is provided with spring in second annular groove, the upper wall of the two ends of spring respectively with elastic plate and the second annular groove offsets, and is offered on elastic plate
Some passages；
This method comprises the following steps：
(1), alkaline absorption solution is poured into tourie body so that air inlet pipe is located under the liquid level of alkaline absorption solution, simultaneously
The liquid level of alkaline absorption solution is flushed with the lower surface of elastic plate；
(2) some granular calcium oxide, are placed in the upper surface of elastic plate；
(3) alkali substance reaction in the sulfur dioxide and alkaline absorption solution in flue gas, flue gas, is passed through into air inlet pipe,
Reacted flue gas is passed through after the passage on elastic plate from escaping pipe discharge；
(4), when the alkali substance reaction in sulfur dioxide and alkaline absorption solution make it that the concentration of alkaline matter declines, warp
Still contain sulfur dioxide in the reacted flue gas of alkaline absorption solution, the sulfur dioxide and granular calcium oxide on elastic plate are anti-
Should, and then cause elastic plate to occur elastic deformation and overcome the active force of spring to be moved down along the first annular groove, on elastic plate
Calcium oxide reacts with the water in alkaline absorption solution, produces calcium hydroxide, improves the concentration of alkaline absorption solution neutral and alkali material；
When calcium oxide and water, which react, make it that the calcium oxide on elastic plate is gradually decreased, under the action of the spring, elastic plate is moved upwards
And make it that calcium oxide is separated with alkaline absorption solution；
(5) repeat step (3) and step (4), until completing the desulfurization process to flue gas.
It is preferred that, valve member is additionally provided with the tourie body for the desulfurizer that this method is used, valve member includes valve
Seat and several valve elements being slidably connected with valve seat, valve seat are fixedly connected in tourie body and positioned at the top of the second annular groove,
Valve element is provided with connecting rod towards the side of elastic plate, and valve element is attached by connecting rod with elastic plate, also opened up on valve element
There are some air passing holes, the inlet end of air passing hole is located at the bottom of valve element, the outlet side of air passing hole is located at the side wall of valve element and can
Offseted with valve seat.
It is preferred that, the alkaline absorption solution poured into step (1) into tourie body is sodium hydroxide solution or calcium hydroxide
Solution.
It is preferred that, in step (3), when flue gas is passed into air inlet pipe, pass through the gas stream at air inlet pipe
The input speed of flue gas at gauge Real Time Observation air inlet pipe.
The beneficial effects of the present invention are：
1st, the present invention to flue gas when carrying out desulfurization process, when the alkaline matter concentration in alkaline absorption solution declines, profit
With calcium oxide and the response characteristic of sulfur dioxide, on the one hand can the sulfur dioxide complete to unreacted absorb again, it is to avoid two
Sulfur oxide emissions are into air, on the other hand, and the weight that calcium oxide is caused after being reacted with sulfur dioxide, which increases, causes elastic plate hair
Raw elastic deformation is simultaneously moved down, and then make it that calcium oxide contacts to increase the basic species in alkaline absorption solution with alkaline absorption solution
The concentration of matter, after a period of time is reacted, elastic plate can be such that calcium oxide is separated with alkaline absorption solution automatically again, and so on, i.e.,
The adjust automatically to the alkaline matter concentration in alkaline absorption solution can be achieved, therefore this programme can effectively ensure alkaline absorption solution
In alkaline matter concentration, and then the absorption to sulfur dioxide in flue gas has been effectively ensured, has reduced sulfur dioxide (SO2) emissions and arrive
In air, the pollution caused to air.
2nd, valve member is set in the desulfurizer used in the present invention, when under the concentration of alkaline absorption solution neutral and alkali material
When drop make it that sulfur dioxide and calcium oxide react, valve element will be moved downward under the drive of elastic plate along valve seat, when valve element is along valve
When seat is moved downward, the outlet side of air passing hole will offset with valve seat on the wall of valve element side, and now flue gas will not pass through on valve element
Air passing hole is discharged from escaping pipe, when calcium oxide and alkaline absorption solution reaction a period of time are so that the concentration rising of alkaline matter
When, valve element is moved upwards under the drive of elastic plate along valve seat, and the outlet side of air passing hole is separated with valve seat on the wall of valve element side, now
Flue gas after desulfurization process could be discharged through the air passing hole on valve element from escaping pipe, therefore the present invention passes through valve member
Set, when the alkaline matter concentration in alkaline absorption solution, which declines, make it that the sulfur dioxide in flue gas absorbs incomplete, valve group
Part closes the discharge for avoiding flue gas, and when the alkaline matter concentration in alkaline absorption solution rises, valve member is automatically turned on again
The discharge of flue gas is ensure that, therefore can further reduce the discharge of sulfur dioxide in flue gas.
3rd, the present invention on elastic plate by opening up passage so that the flue gas after desulfurization process is needed through passage,
This adds increased the resistance that flue gas is moved upwards, the speed that flue gas is moved upwards is slow down, so that the titanium dioxide in flue gas
Sulphur can have more times to be reacted with alkaline matter, improve the treatment effect to sulfur dioxide.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 be in FGD dust collection method of the present invention the desulfurizer that uses in alkaline absorption solution neutral and alkali material concentration
Structural representation when higher；
Fig. 2 be in FGD dust collection method of the present invention the desulfurizer that uses in alkaline absorption solution neutral and alkali material concentration
Structural representation when relatively low.
Mark in accompanying drawing is as follows：Absorb tank body 1, air inlet pipe 2, air admission hole 3, elastic plate 4, passage 5, spring 6, valve seat
7th, valve element 8, air passing hole 9, escaping pipe 10, pH value tester 11.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figures 1 and 2, desulfurizer, including tank body 1 is absorbed, tank body 1 is absorbed built with alkaline absorption solution,
Alkaline absorption solution in the present embodiment is aqua calcis, is gone in the lower end for absorbing tank body 1 and is connected with air inlet pipe 2, air inlet
Pipe 2 is gone to absorption tank body 1 by two deep groove ball bearings of the left and right sides and is connected, and air inlet pipe 2 is located at the liquid of alkaline absorption solution
Below face, the part being extend into air inlet pipe 2 below alkaline absorption solution liquid level offers some air admission holes 3, when passing through air inlet
When pipe 2 is constantly passed through the flue gas containing sulfur dioxide into absorption tank body 1, air inlet pipe 2 goes to that alkaline absorption solution can be played and stirred
The effect mixed, so as to improve absorption efficiency of the alkaline matter to sulfur dioxide.The position for absorbing tank body 1 is stretched out in air inlet pipe 2
Be also equipped with gas flowmeter, gas flowmeter can Real Time Observation to flue gas at air inlet pipe 2 input speed, it is convenient to flue gas stream
The regulation of amount.
The first annular groove and the second annular groove are further respectively had from top to bottom in the inside for absorbing tank body 1, wherein the first annular groove
With diameter greater than the diameter of the second annular groove, while the liquid level of alkaline absorption solution is located in the first annular groove, the company of slip in the first annular groove
Elastic plate 4 is connected to, the vertical height of elastic plate 4 is about the half of the first annular groove vertical height, while the lower surface of elastic plate 4 is just
It is good to be flushed with the liquid level of alkaline absorption solution, so that just to may be such that elastic plate 4 when less vertical displacement occurs for elastic plate 4
Upper surface is contacted with alkaline absorption solution.Some granular calcium oxide are placed with the upper surface of elastic plate 4, when elastic plate 4 is perpendicular
During to displacement so that the calcium oxide of upper surface is contacted with alkaline absorption solution, calcium oxide carries out reaction life with the water in alkaline absorption solution
Calcium hydroxide is produced, the concentration of the alkaline matter in alkaline absorption solution is improved with this.Some lead to is further opened with elastic plate 4
Stomata 5, when flue gas is after desulfurization process, flue gas is transported upwards by through the passage 5 on elastic plate 4 this adds increased flue gas
Dynamic resistance, slow down the speed that flue gas is moved upwards, so that the sulfur dioxide in flue gas can have more times and alkali
Property material is reacted, and improves the treatment effect to sulfur dioxide.
It is that spring 6 is provided with the second annular groove, the second annular groove in the top of the first annular groove, the upper end of spring 6 and the second annular groove
Upper surface offset, the lower end and the upper surface of elastic plate 4 of spring 6 offset, when the alkaline matter concentration in alkaline absorption solution compared with
Gao Shi, in the presence of spring 6 gives elastic plate 4 one upwards so that the upper surface of elastic plate 4 and the upper surface phase of the first annular groove
Support, the upper surface of elastic plate 4 is separated with alkaline absorption solution, when the alkaline matter concentration in alkaline absorption solution is relatively low, elastic plate 4
The weight increase of upper surface material so that elastic plate 4 overcomes the upward active force of spring 6 and moved down, and then causes elasticity
The upper surface of plate 4 is contacted with alkaline absorption solution.
Valve member is also associated with tank body 1 absorbing, valve member includes valve seat 7 and several valve elements 8, wherein, valve
The two ends of seat 7 are threaded, and valve seat 7 is attached with absorbing tank body 1 by screw thread, and valve element 8 is T-type structure, while valve
Core 8 is slidably connected on valve seat 7, and connecting rod is connected with the lower surface of valve element 8, and valve element 8 is carried out with elastic plate 4 by connecting rod
Connection, so that when elastic plate 4 is moved down, valve element 8 will downwardly together be moved in the presence of connecting rod with elastic plate 4,
Some air passing holes 9 are offered on each valve element 8, the lower end of air passing hole 9 is inlet end, and the upper end of air passing hole 9 is outlet side,
Inlet end is located at the bottom of valve element 8, and outlet side is located on the side wall of valve element 8, when valve element 8 is moved down along valve seat 7, valve element 8
Outlet side on the wall of side can be offseted with valve seat 7 so that air passing hole 9 is closed.
Two escaping pipes 10 are also equipped with the upper end for absorbing tank body 1, pH value test is equipped with each escaping pipe 10
Instrument 11, is detected, to judge sulfur dioxide in flue gas in real time using PH value detector to the pH value of flue gas at escaping pipe 10
Assimilation effect.
Method when carrying out flue gas desulfurization using above-mentioned desulfurizer comprises the following steps：
(1), alkaline absorption solution is poured into absorption tank body 1 so that air inlet pipe 2 is located under the liquid level of alkaline absorption solution, together
When alkaline absorption solution liquid level flushed with the lower surface of elastic plate 4；
(2) some granular calcium oxide, are placed in the upper surface of elastic plate 4；
(3) alkali substance reaction in the sulfur dioxide and alkaline absorption solution in flue gas, flue gas, is passed through into air inlet pipe 2,
Reacted flue gas is discharged after passing through the passage 5 on elastic plate 4 from escaping pipe 10；
(4), when the alkali substance reaction in sulfur dioxide and alkaline absorption solution make it that the concentration of alkaline matter declines, warp
Still contain sulfur dioxide in the reacted flue gas of alkaline absorption solution, the sulfur dioxide and granular calcium oxide on elastic plate 4 are anti-
Should, and then cause elastic plate 4 to occur elastic deformation and overcome the active force of spring 6 to be moved down along the first annular groove, on elastic plate 4
Calcium oxide and alkaline absorption solution in water react, produce calcium hydroxide, improve alkaline absorption solution neutral and alkali material it is dense
Degree, now valve element 8 will also be moved downward under the drive of elastic plate 4 along valve seat 7, when valve element 8 is moved downward along valve seat 7, valve
The outlet side of air passing hole 9 will offset with valve seat 7 on the side wall of core 8, and now flue gas will not pass through air passing hole 9 on valve element 8 from going out
Tracheae 10 is discharged；When calcium oxide and water, which react, make it that the calcium oxide on elastic plate 4 is gradually decreased, in the effect of spring 6
Under, elastic plate 4 moves and make it that calcium oxide is separated with alkaline absorption solution upwards；Valve element 8 is under the drive of elastic plate 4 along valve seat 7
The outlet side of air passing hole 9 is separated with valve seat 7 on motion upwards, the side wall of valve element 8, and now the flue gas after desulfurization process could be passed through
Air passing hole 9 on valve element 8 is discharged from escaping pipe 10；
(5) repeat step (3) and step (4), until completing the desulfurization process to flue gas.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. FGD dust collection method, it is characterised in that：This method uses a kind of desulfurizer, and the desulfurizer includes being used for
Contain alkaline absorption solution absorbs tank body, the air inlet pipe and escaping pipe led to tourie body phase, and air inlet pipe, which is located at, absorbs tank body
Lower end, escaping pipe be located at absorb tank body upper end, in tourie body be provided with annular groove, annular groove be included under the first annular groove and
On the second annular groove, the diameter with diameter greater than the second annular groove of the first annular groove, provided with can be slided along the first annular groove in the first annular groove
Elastic plate, be provided with spring in the second annular groove, the upper wall of the two ends of spring respectively with elastic plate and the second annular groove offsets, elastic plate
On offer some passages；
This method comprises the following steps：
(1), alkaline absorption solution is poured into tourie body so that air inlet pipe is located under the liquid level of alkaline absorption solution, while alkaline
The liquid level of absorbing liquid is flushed with the lower surface of elastic plate；
(2) some granular calcium oxide, are placed in the upper surface of elastic plate；
(3) alkali substance reaction in the sulfur dioxide and alkaline absorption solution in flue gas, flue gas, is passed through into air inlet pipe, is reacted
Flue gas afterwards is passed through after the passage on elastic plate from escaping pipe discharge；
(4), when the alkali substance reaction in sulfur dioxide and alkaline absorption solution make it that the concentration of alkaline matter declines, through alkalescence
Still contain sulfur dioxide in the reacted flue gas of absorbing liquid, the sulfur dioxide reacts with granular calcium oxide on elastic plate, enters
And cause elastic plate to occur elastic deformation and overcome the active force of spring to be moved down along the first annular groove, the calcium oxide on elastic plate
Reacted with the water in alkaline absorption solution, produce calcium hydroxide, improve the concentration of alkaline absorption solution neutral and alkali material；Work as oxidation
When calcium is reacted so that the calcium oxide on elastic plate is gradually decreased with water, under the action of the spring, elastic plate is moved and caused upwards
Calcium oxide is separated with alkaline absorption solution；
(5) repeat step (3) and step (4), until completing the desulfurization process to flue gas.
2. FGD dust collection method according to claim 1, it is characterised in that：The suction for the desulfurizer that this method is used
Valve member is additionally provided with closed cans body, valve member includes valve seat and several valve elements being slidably connected with valve seat, and valve seat is fixed
It is connected in tourie body and positioned at the top of the second annular groove, valve element is provided with connecting rod, valve element and bullet towards the side of elastic plate
Property plate be attached by connecting rod, be further opened with some air passing holes on valve element, the inlet end of air passing hole is located at valve element
Bottom, the outlet side of air passing hole is located at the side wall of valve element and can offseted with valve seat.
3. FGD dust collection method according to claim 1 or 2, it is characterised in that：The desulfurizer that this method is used
Air inlet pipe by bearing with absorb tank body rotate be connected, if being offered in air inlet pipe positioned at the subsurface part of alkaline absorption solution
Dry air admission hole.
4. FGD dust collection method according to claim 3, it is characterised in that：Filled in step (1) into tourie body
The alkaline absorption solution entered is sodium hydroxide solution or aqua calcis.
5. FGD dust collection method according to claim 4, it is characterised in that：In step (3), flue gas is passed into
When in air inlet pipe, pass through the input speed of flue gas at the gas flowmeter Real Time Observation air inlet pipe at air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290090.6A CN106955581B (en) | 2017-04-27 | 2017-04-27 | FGD dust collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290090.6A CN106955581B (en) | 2017-04-27 | 2017-04-27 | FGD dust collection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106955581A true CN106955581A (en) | 2017-07-18 |
| CN106955581B CN106955581B (en) | 2019-08-20 |
Family
ID=59484625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710290090.6A Expired - Fee Related CN106955581B (en) | 2017-04-27 | 2017-04-27 | FGD dust collection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106955581B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079745A (en) * | 2017-11-27 | 2018-05-29 | 江苏力禾颜料有限公司 | A kind of H acid monosodium salt tail gas alkaline cleaning technique |
| CN109536753A (en) * | 2018-12-28 | 2019-03-29 | 朱席 | A kind of environment-friendly type regeneration aluminium alloy smelting equipment |
| CN109652610A (en) * | 2019-01-09 | 2019-04-19 | 杨帅 | A kind of exhaust-gas efficient processing converter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188425A (en) * | 1995-05-16 | 1998-07-22 | 金属股份有限公司 | Process for dry desulphurisation of combustion gas |
| WO2008071446A1 (en) * | 2006-12-14 | 2008-06-19 | Horst Grochowski | Method and device for purifying the flue gases of a sintering process of ores and/or other material-containing materials in metal production |
| CN101791513A (en) * | 2009-02-03 | 2010-08-04 | 王建敏 | Jacking-type exhaust-gas treatment device and method |
| CN203482998U (en) * | 2013-09-27 | 2014-03-19 | 邹素梅 | Simple automatic lunchbox heater |
| CN106215561A (en) * | 2016-08-31 | 2016-12-14 | 苏州贝捷环保设备有限公司 | A kind of coal-fired flue gas treatment method |
| CN106345276A (en) * | 2016-10-09 | 2017-01-25 | 中山市中开环保设备制造有限公司 | Biological deodorization system |
-
2017
- 2017-04-27 CN CN201710290090.6A patent/CN106955581B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188425A (en) * | 1995-05-16 | 1998-07-22 | 金属股份有限公司 | Process for dry desulphurisation of combustion gas |
| WO2008071446A1 (en) * | 2006-12-14 | 2008-06-19 | Horst Grochowski | Method and device for purifying the flue gases of a sintering process of ores and/or other material-containing materials in metal production |
| CN101791513A (en) * | 2009-02-03 | 2010-08-04 | 王建敏 | Jacking-type exhaust-gas treatment device and method |
| CN203482998U (en) * | 2013-09-27 | 2014-03-19 | 邹素梅 | Simple automatic lunchbox heater |
| CN106215561A (en) * | 2016-08-31 | 2016-12-14 | 苏州贝捷环保设备有限公司 | A kind of coal-fired flue gas treatment method |
| CN106345276A (en) * | 2016-10-09 | 2017-01-25 | 中山市中开环保设备制造有限公司 | Biological deodorization system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079745A (en) * | 2017-11-27 | 2018-05-29 | 江苏力禾颜料有限公司 | A kind of H acid monosodium salt tail gas alkaline cleaning technique |
| CN109536753A (en) * | 2018-12-28 | 2019-03-29 | 朱席 | A kind of environment-friendly type regeneration aluminium alloy smelting equipment |
| CN109652610A (en) * | 2019-01-09 | 2019-04-19 | 杨帅 | A kind of exhaust-gas efficient processing converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106955581B (en) | 2019-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206355829U (en) | A kind of flue gas desulfurizing and hydrargyrum-removing device | |
| CN106955581A (en) | FGD dust collection method | |
| CN109603455A (en) | A kind of absorbent and method removing hydrogen sulfide in methane | |
| KR101322370B1 (en) | Apparatus and method for collecting carbon dioxide of exhaust gas using combustion byproducts and absorption liquid | |
| CN103889552A (en) | A method of controlling a wet scrubber useful for removing sulphur dioxide from a process gas | |
| CN105417675B (en) | A kind of desulfurization restoring sea water device and restoration methods based on pure oxygen aeration | |
| CN205672756U (en) | A kind of double tower Two-way Cycle lime stone gypsum wet flue gas desulfurizing device | |
| CN102631837B (en) | Integrated type sulfur-containing waste gas purifying device | |
| CN106422734A (en) | Bubbling flue gas desulfurizing device | |
| CN203075830U (en) | Desulfurizing tower | |
| CN107362676A (en) | Desulfurization synergist and its application | |
| CN206676220U (en) | Smoke desulfurization dust remover | |
| CN109420422A (en) | A method of H 2 S-containing gas is removed using ultrasonic equipment | |
| CN106378007A (en) | Flue gas desulfurization and mercury removal device | |
| CN208287776U (en) | A kind of flue gas desulphurization system | |
| CN204522731U (en) | The outer demist wet flue gas desulfurizer of tower | |
| CN101502755A (en) | Liquid immersion dust removal composite desulfurization device | |
| CN213779801U (en) | Desulfurization slurry densimeter | |
| CN205649946U (en) | Automatic desulfurization dust collector | |
| CN204933233U (en) | A kind of device removing sulfur dioxide in flue gas | |
| CN209596921U (en) | Changing cell desulfurizing tower | |
| EA008555B1 (en) | Purification device for flue gas with divided scrubbing liquid sump | |
| CN206916093U (en) | A kind of adjustable biogas dry desulfurization device | |
| CN203196527U (en) | Smoke wet desulphurization device | |
| CN206334464U (en) | A kind of desulfurizing tower wet dust separater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20200427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |