CN109999643A - A kind of extracting tower smoke inlet choke-preventing temperature-lowering device and application method - Google Patents
A kind of extracting tower smoke inlet choke-preventing temperature-lowering device and application method Download PDFInfo
- Publication number
- CN109999643A CN109999643A CN201910370508.3A CN201910370508A CN109999643A CN 109999643 A CN109999643 A CN 109999643A CN 201910370508 A CN201910370508 A CN 201910370508A CN 109999643 A CN109999643 A CN 109999643A
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- China
- Prior art keywords
- air inlet
- extracting tower
- inlet
- circulation fluid
- annular conduit
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- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of extracting tower smoke inlet choke-preventing temperature-lowering devices, including extracting tower ontology (1) and air inlet (4), first jet (21) are equipped at the air inlet (4), the first jet is connected to annular conduit (3), it is also communicated with connecting tube (31) on the annular conduit (3), the connecting tube (31) is equipped with second nozzle (22)；Removable recyclable device is equipped on the connecting tube (31), the annular conduit (3) is equipped with water inlet (32).The invention also discloses a kind of application methods of anti-blocking cooler of extracting tower smoke inlet.The purpose that high-temperature flue gas can be isolated with flue for above-mentioned apparatus and application method, the sedimentation foreign matter in flue gas can be taken away in time, the tamper for forming " stalactite " shape on flue is avoided, the damage corroded because of high temperature, high humidity, peracidity to flue material is reduced.
Description
Technical field
The present invention relates to a kind of extracting tower smoke inlet choke-preventing temperature-lowering devices.The invention further relates to a kind of depickling flue gas cool-downs
Anti-blocking application method.
Background technique
The incineration flue gas such as thermal power generation, consumer waste incineration, dangerous waste incineration substance containing high-concentration acidic wastewater (with SO2,
Based on HCl), the wet process depickling in order to make flue gas qualified discharge, using a certain concentration akaline liquid (such as NaOH) as absorbent
The abjection that technique carries out acidic materials is followed since acidic materials a large amount of in flue gas react into rapidly salt with absorbent at high temperature
Ring liquid is directly contacted with high-temperature flue gas, and moisture rapid flash causes salt to crystallize, and crystal salt is made in wet process extracting tower inlet deposition
The high rigidity of " stalactite " equally is even more mixed to form with crystal salt along with a large amount of minute dusts are contained in flue gas at blocking
Substance, the blocking being further exacerbated by wet process extracting tower smoke inlet, solution is to be arranged one on tower gas approach at present
The manhole of fixed number amount periodically removes tamper manually, and operating environment is poor, large labor intensity；In addition, wet process extracting tower gas approach
The upper pre- cooling spray of setting is sprayed using industry water to avoid gas approach blocking, flue-gas temperature is cooled to
160 DEG C increase the sewage quantity of deacidification system while hereinafter, causing industrial water waste.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind can spray pre- cooling and high-temperature flue gas and cigarette
Isolation between road inner wall, while reducing the extracting tower smoke inlet choke-preventing temperature-lowering device and application method of circulation water consumption.
Technical scheme is as follows:
The present invention provides a kind of extracting tower smoke inlet choke-preventing temperature-lowering device, including extracting tower ontology and air inlet, in institute
It states at air inlet, the side wall along entry position is uniformly around at least two fixed holes are equipped with, at least two fixed holes
It is inside equipped with first jet, one end of each first jet is extend into the corresponding position of air inlet, and and air inlet
The angle for being axially formed 5~10 °, the corresponding position of the protruding air inlet of the other end, and be spirally connected and be connected to annular conduit, institute
The longitudinal center line for stating annular conduit, on the same line with the longitudinal center line of air inlet；It is also connected on the annular conduit
There is connecting tube, the connecting tube is worn from the corresponding position of air inlet side wall into air inlet, the penetrating end connection of the connecting tube
Equipped with second nozzle；Removable recyclable device is equipped in the connecting tube, the annular conduit is equipped with water inlet, described
Water inlet is connected to the corresponding position of recyclable device.
Preferably, it is the wedge structure that section is rectangle, the wedge structure that the first jet, which protrudes into one end of air inlet,
Longitudinal center line and the longitudinal center line of air inlet be mutually perpendicular to, the water discharging direction of the first jet and the axial shape of air inlet
At the angle for having 5~10 °.
Preferably, the second nozzle is cone-type spiral nozzle, the center line of the cone-type spiral nozzle and air inlet
Longitudinal center line is overlapped.
Preferably, the recyclable device includes being bolted with pull rod with connecting tube, right on the inner wall of the extracting tower ontology
It answers and is equipped with header tank at air inlet and the lower end position of extracting tower ontology connectivity part, the header tank is connect with pull rod, and is catchmented
One end of case lateral wall is bonded with the inner wall of extracting tower ontology corresponding position；The header tank is connected with water pump, the water pump with
Water inlet connection.
Preferably, strainer is equipped in the header tank.
Preferably, the width of header tank water inlet position is greater than the radius of air inlet, less than the diameter of air inlet.
The present invention also provides a kind of application methods of anti-blocking cooler of extracting tower smoke inlet, comprising: 1) imports flue gas
Air inlet；
2) it is packed into header tank using NaOH solution as circulation fluid, and be pumped into annular conduit；
3) circulation fluid is sprayed to flue gas cool-down by the second nozzle being located on the annular conduit, while carries out depickling and obtains
To depickling flue gas；Meanwhile at least two first jets being connected to annular conduit also spray circulation fluid, and it is not low to spray pressure
In 0.4Mpa, since first jet and air inlet axially have 5~10 ° of angle, the circulation fluid of ejection is sprayed at the interior of air inlet
On wall, under the collective effect of injection angle and gravity, the circulation fluid of ejection forms spiral helicine moving rail along air inlet inner wall
Mark, under the action of spraying pressure, the circulation fluid constantly sprayed forms the protection liquid film of 5-10mm on the inner wall of air inlet, by
Salt content increases in circulation fluid, and circulation fluid is directly contacted with high-temperature flue gas, moisture rapid flash, in salt crystallization precipitation and flue gas
Mix dust after taken away in time by circulation fluid, avoid on flue formed " stalactite " shape tamper.
4) circulation fluid sprayed is collected by header tank, after strainer filtering, is extracted out by water pump and is pumped into annular conduit again
Water inlet, to achieve the purpose that recycling.
The utility model has the advantages that the present invention, which sets second nozzle in air inlet, gives flue gas spraying cooling, at least two first sprays of setting
Mouth tilts 5-10 ° along flue gas flow direction in interior sidewall surface, is injected on air inlet inner wall and quickly forms uniform protection liquid film, and makees
Spiral helicine motion profile can be stained with rapidly the inner wall of air inlet position, reach and high-temperature flue gas is isolated with air inlet
Purpose, and the sedimentation foreign matter in flue gas can be taken away in time, avoid the tamper that " stalactite " shape is formed on air inlet inner wall, drop
The low damage corroded because of high temperature, high humidity, peracidity to flue material.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the mounting structure schematic diagram of annular conduit.
Fig. 3 is the mounting structure schematic diagram of first jet.
Fig. 4 is enlarged drawing at the A in Fig. 3.
Fig. 5 is the structural schematic diagram of second nozzle.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention is made of extracting tower ontology 1 and air inlet 4 etc., described
At air inlet 4, the side wall along entry position is equipped in three fixed holes uniformly around setting there are three fixed hole
One end of first jet 21, each first jet 21 is extend into the corresponding position of air inlet 4, the other end it is protruding into
The corresponding position of port 4, and be spirally connected and be connected to annular conduit 3, the longitudinal center line of the annular conduit 3, the axis with air inlet 4
On the same line to center line.The first jet 21 protrude into air inlet 4 one end be section be rectangle wedge structure, should
The longitudinal center line of wedge structure and the longitudinal center line of air inlet 4 are mutually perpendicular to, the water discharging direction of the first jet 21 with into
The angle for being axially formed 5~10 ° of port 4.
Connecting tube 31 is also communicated on the annular conduit 3, the connecting tube 31 is worn from the corresponding position of 4 side wall of air inlet
If entering air inlet 4, the penetrating end connection of the connecting tube 31 is equipped with second nozzle 22, and the second nozzle 22 is cone-type spiral spray
The center line of mouth, the cone-type spiral nozzle is overlapped with the longitudinal center line of air inlet 4.
Recyclable device is equipped in the connecting tube 31, the recyclable device includes the pull rod 41 being spirally connected with connecting tube 31,
On the inner wall of the extracting tower ontology 1, corresponding air inlet 4 at the lower end position of 1 connectivity part of extracting tower ontology equipped with catchmenting
Case 42, the header tank 42 are connect with pull rod 41, and one end of 42 lateral wall of header tank and 1 corresponding position of extracting tower ontology is interior
The width of wall fitting, the water inlet of header tank 42 position is greater than the radius of air inlet 4, less than the diameter of air inlet 4；It is described to catchment
Strainer is equipped in case 42, which is connected with water pump 43, and the water pump 43 is connect with water inlet 32.
Application method of the invention is as follows:
As shown in Fig. 1 to Fig. 5, before use, the size according to air inlet 4, it is suitable to be arranged on the side wall of 4 position of air inlet
The fixed hole of quantity, as diameter be 1 meter when, three fixed holes are set, a first jet is worn in each fixed hole
21, three first jets 21, which are spirally connected with annular conduit 3, to be connected to, and annular conduit 3 is made to be secure around the outer of 4 side wall of air inlet
Side, the inserting end of first jet 21 are the wedge structure that section is rectangle, longitudinal center line and the air inlet 4 of the wedge structure
Longitudinal center line is mutually perpendicular to, the water discharging direction of the first jet 21 and the angle for being axially formed 5~10 ° of air inlet 4, excellent
It is selected as 5 °；Meanwhile the connecting tube 31 being connected to annular conduit 3 also wears the corresponding position into air inlet 4, which wears
Enter end be equipped with second nozzle 22, the second nozzle 22 be cone-type spiral nozzle, the center line of the cone-type spiral nozzle with into
The longitudinal center line of port 4 is overlapped.
Then, water inlet 32 connects water pump 43, and water pump 43 is connect with header tank 42, and enters in extracting tower ontology 1, artificially
Ground is placed on header tank 42 at air inlet 4 and the lower end position of 1 connectivity part of extracting tower ontology, pull rod 41 and 31 spiral shell of connecting tube
It connects, and is bonded one end of 42 lateral wall of header tank and the inner wall of 1 corresponding position of extracting tower ontology, since circulation fluid finally all will
The inner sidewall of 4 lower end of air inlet is concentrated on, the width of the water inlet of header tank 42 position is greater than the radius of air inlet 4, is less than air inlet 4
Diameter, can sufficiently recycle circulation fluid.
When beginning to use, flue gas is first imported into air inlet 4, then be packed into header tank 42 using NaOH solution as circulation fluid, and
It is pumped into annular conduit 3.
Then, circulation fluid is sprayed to flue gas cool-down by the second nozzle 22 being located on the annular conduit 3, carried out simultaneously
Depickling obtains depickling flue gas；Meanwhile at least two first jets 21 being connected to annular conduit 3 also spray circulation fluid, spray
Pressure is not less than 0.4Mpa out, due to having 5~10 ° of angle, the circulation fluid of ejection between 4 axial direction of first jet 21 and air inlet
It is sprayed on the inner wall of air inlet 4, under the collective effect of injection angle and gravity, the circulation fluid of ejection is along 4 inner wall of air inlet
Spiral helicine motion track is formed, under the action of spraying pressure, the circulation fluid constantly sprayed is formed on the inner wall of air inlet 4
The protection liquid film of 5-10mm thickness, since salt content increases in circulation fluid, circulation fluid is directly contacted with high-temperature flue gas, the fast speed flash of moisture
It steams, salt crystallization is precipitated to be taken away with after the mix dust in flue gas by circulation fluid in time, avoids forming " stone on 4 inner wall of air inlet
The tamper of clock cream " shape.
Finally, the circulation fluid sprayed is collected by header tank 42, after strainer filtering, is extracted out by water pump 43 and be pumped into ring again
The water inlet 32 of shape water pipe 3, to achieve the purpose that recycling.
The air inlet 4 in other specifications is such as applied, according to the injection pressure used, i.e., using jet velocity in air inlet 4
The spray area that inner wall is formed forms protection liquid film, it is suitable number of to adjust setting to be quickly paved with 4 inner wall of air inlet
First jet 21 e.g., need to be along the circumferencial direction of air inlet 4 when the diameter diameter of air inlet 4 is two meters under 0.4Mpa pressure
Eight first jets 21 are uniformly arranged, so that the protection liquid film that circulation fluid is formed quickly and evenly covers flue gas mouth inner wall, simultaneously
To guarantee the flow of circulation fluid, also to ensure the protection thickness of liquid film of 5-10mm.
After use, when needing to change or overhaul, first jet 21 and second nozzle 22 can be unscrewed and be removed, i.e., annular water
Pipe 3 can also be removed, and pull rod 41 and connecting tube 31 are also the connection that is spirally connected, i.e. header tank 42 also can individually take out to clean filter
Net, it is convenient to dismount.
The present invention is that description section is consistent with the prior art, and this will not be repeated here.
The above is only embodiments of the present invention, are not intended to limit the scope of the invention, all to utilize the present invention
Equivalent structure made by specification and accompanying drawing content is directly or indirectly used in other related technical areas, similarly at this
Within the scope of patent protection of invention.
Claims (7)
1. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device, it is characterised in that: including extracting tower ontology (1) and air inlet (4),
At the air inlet (4), along entry position side wall uniformly around be equipped at least two fixed holes, it is described solid at least two
Determine to be equipped in through-hole first jet (21), one end of each first jet (21) extend into the correspondence of air inlet (4)
In position, and the angle for being axially formed 5~10 ° with air inlet (4), the corresponding position of the protruding air inlet of the other end (4),
And be spirally connected and be connected to annular conduit (3), the longitudinal center line of the annular conduit (3) exists with the longitudinal center line of air inlet (4)
On same straight line；It is also communicated with connecting tube (31) on the annular conduit (3), the connecting tube (31) is from air inlet (4) side wall
Corresponding position wear into air inlet (4), the penetrating end connection of the connecting tube (31) is equipped with second nozzle (22)；In the company
It takes over (31) and is equipped with removable recyclable device, the annular conduit (3) is equipped with water inlet (32), the water inlet (32)
It is connected to the corresponding position of recyclable device.
2. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device according to claim 1, it is characterised in that: first spray
One end that mouth (21) protrudes into air inlet (4) is wedge structure that section is rectangle, the longitudinal center line of the wedge structure and air inlet
The longitudinal center line of mouthful (4) is mutually perpendicular to, the water discharging direction of the first jet (21) and air inlet (4) be axially formed 5~
10 ° of angle.
3. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device according to claim 1, it is characterised in that: second spray
Mouth (22) is cone-type spiral nozzle, and the center line of the cone-type spiral nozzle is overlapped with the longitudinal center line of air inlet (4).
4. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device according to claim 1, it is characterised in that: the recycling dress
Set including being bolted with pull rod (41) with connecting tube (31), on the inner wall of the extracting tower ontology (1), corresponding air inlet (4) with
Header tank (42) are equipped at the lower end position of extracting tower ontology (1) connectivity part, the header tank (42) connect with pull rod (41), and
One end of header tank (42) lateral wall is bonded with the inner wall of extracting tower ontology (1) corresponding position；The header tank (42) is connected with
Water pump (43), the water pump (43) connect with water inlet (32).
5. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device according to claim 1, it is characterised in that: the header tank
(42) strainer is equipped in.
6. a kind of extracting tower smoke inlet choke-preventing temperature-lowering device according to claim 1, it is characterised in that: the header tank
(42) width of water inlet position is greater than the radius of air inlet (4), is less than the diameter of air inlet (4).
7. a kind of application method of the anti-blocking cooler of extracting tower smoke inlet characterized by comprising 1) flue gas is imported air inlet
Mouth (4)；
2) header tank (42) are packed into using NaOH solution as circulation fluid, and be pumped into annular conduit (3)；
3) circulation fluid is sprayed to flue gas cool-down by the second nozzle (22) being located on the annular conduit (3), while is taken off
Acid obtains depickling flue gas；Meanwhile at least two first jets (21) being connected to annular conduit (3) also spray circulation fluid,
It sprays pressure and is not less than 0.4Mpa, since the axial direction of first jet (21) and air inlet 4 has 5~10 ° of angle, the circulation of ejection
Liquid is sprayed on the inner wall of air inlet (4), and under the collective effect of injection angle and gravity, the circulation fluid of ejection is along air inlet
(4) inner wall forms spiral helicine motion track, and under the action of spraying pressure, the circulation fluid constantly sprayed is in air inlet (4)
The protection liquid film that 5-10mm is formed on inner wall, since salt content increases in circulation fluid, circulation fluid is directly contacted with high-temperature flue gas, water
Divide rapid flash, salt crystallization is precipitated to be taken away with after the mix dust in flue gas by circulation fluid in time, avoids forming " stone on flue
The tamper of clock cream " shape.
4) circulation fluid sprayed is collected by header tank (42), after strainer filtering, is extracted out by water pump (43) and is pumped into annular again
The water inlet (32) of water pipe (3), to achieve the purpose that recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370508.3A CN109999643B (en) | 2019-05-06 | 2019-05-06 | Anti-blocking cooling device for flue gas inlet of deacidification tower and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370508.3A CN109999643B (en) | 2019-05-06 | 2019-05-06 | Anti-blocking cooling device for flue gas inlet of deacidification tower and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109999643A true CN109999643A (en) | 2019-07-12 |
| CN109999643B CN109999643B (en) | 2021-05-11 |
Family
ID=67175770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370508.3A Active CN109999643B (en) | 2019-05-06 | 2019-05-06 | Anti-blocking cooling device for flue gas inlet of deacidification tower and using method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109999643B (en) |
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| CN102805999A (en) * | 2012-08-23 | 2012-12-05 | 北京威肯众合环保科技有限公司 | Turbulent ball type turbocharging compound desulfurization dust removal tower |
| CN204365132U (en) * | 2015-01-09 | 2015-06-03 | 山东潍焦集团工程技术有限公司 | Coke oven flue gas desulfurization and denitrification integral equipment |
| US20170056822A1 (en) * | 2015-08-28 | 2017-03-02 | Big Monkey Services, Llc | Methods and systems for inhibiting crystalline buildup in a flue gas desulfurization unit |
| WO2017159099A1 (en) * | 2016-03-15 | 2017-09-21 | 富士電機株式会社 | Exhaust gas processing device |
| CN206980457U (en) * | 2017-04-05 | 2018-02-09 | 陈华锋 | A kind of fiberglass eddy current type spray equipment |
| CN207169401U (en) * | 2017-08-21 | 2018-04-03 | 卢士钊 | A kind of new wet FGD device |
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2019
- 2019-05-06 CN CN201910370508.3A patent/CN109999643B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050013757A1 (en) * | 2003-07-16 | 2005-01-20 | Franz Windschmitt | Method and system for removing sulfur and dust from waste gases, particularly refinery waste gases |
| CN202527047U (en) * | 2012-04-19 | 2012-11-14 | 北京中大能环工程技术有限公司 | Cooling device for flue gas of inlet of desulfurizing tower |
| CN102805999A (en) * | 2012-08-23 | 2012-12-05 | 北京威肯众合环保科技有限公司 | Turbulent ball type turbocharging compound desulfurization dust removal tower |
| CN204365132U (en) * | 2015-01-09 | 2015-06-03 | 山东潍焦集团工程技术有限公司 | Coke oven flue gas desulfurization and denitrification integral equipment |
| US20170056822A1 (en) * | 2015-08-28 | 2017-03-02 | Big Monkey Services, Llc | Methods and systems for inhibiting crystalline buildup in a flue gas desulfurization unit |
| WO2017159099A1 (en) * | 2016-03-15 | 2017-09-21 | 富士電機株式会社 | Exhaust gas processing device |
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| Publication number | Publication date |
|---|---|
| CN109999643B (en) | 2021-05-11 |
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