CN206508793U - A kind of following current tower flue gas dust arrester - Google Patents
A kind of following current tower flue gas dust arrester Download PDFInfo
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- CN206508793U CN206508793U CN201720130500.6U CN201720130500U CN206508793U CN 206508793 U CN206508793 U CN 206508793U CN 201720130500 U CN201720130500 U CN 201720130500U CN 206508793 U CN206508793 U CN 206508793U
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- flue gas
- dust arrester
- following current
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Abstract
The utility model proposes a kind of following current tower flue gas dust arrester, including desulfurizing tower, flue gas inlet pipe, spray equipment, exhanst gas outlet and circulation stock tank are sequentially with the desulfurizing tower from top to bottom, the spray equipment is connected by circulation pipe with the circulation stock tank, the circulation pipe is provided with circulating pump, the exhanst gas outlet is connected with demister, and the demister is connected with blast pipe, and the blast pipe is provided with dry fog case and air-introduced machine.The utility model reduces the size of desulfurizing tower, the residual dust in discharge gas is removed using dry fog dedusting technology, the atomizer especially researched and developed is atomized twice to liquid, that is effervescent atomization and pneumatic nebulization, so that being less than 2.5 μm of droplet in whole dry fog case full of diameter, dust removing effects are good, can effectively remove PM2.5.
Description
Technical field
The utility model belongs to technical field of environment protection equipment, and in particular to a kind of following current tower flue gas dust arrester.
Background technology
In industrial and mining enterprises, the improvement to dust is always a great problem.Counted according to the Ministry of Public Health, China's pneumoconiosis turns into duty
Industry disease is the first, accounts for the 80% of total occupational disease.Dust in air, granular size is different, distribution is different.The master that dust suppression is administered
The respirable dust particle for wanting the dust granules that object is less than 150 μm, especially particle diameter to be less than 10 μm.Although it is total in material
Proportion is less than 1% in weight, but its long-term suspension is in air, it is difficult to settle, and can even float hundred kilometers of row sometimes, to people
The harm of body is especially big, is to cause pneumoconiosis and the main contributor of atmosphere pollution, seriously threatens the health and lives of the mankind.
Need to carry out desulfurization and dedusting before industrial smoke discharge, use countercurrent tower, the flow velocity of flue gas existing desulfurizer more
Relatively low, the size of tower is larger.In addition, desulfurizer desulfurized effect is preferably, but dust removing effects are not good, in the gas discharged after processing
PM2.5 contents are higher.
Utility model content
The purpose of this utility model is to propose a kind of following current tower flue gas dust arrester, its small volume and good dedusting effect.
What the technical solution of the utility model was realized in：A kind of following current tower flue gas dust arrester, including desulfurizing tower, institute
State and be sequentially with flue gas inlet pipe, spray equipment, exhanst gas outlet and circulation stock tank in desulfurizing tower from top to bottom, the spray equipment leads to
Cross circulation pipe to connect with the circulation stock tank, the circulation pipe is provided with circulating pump, and the exhanst gas outlet is connected with demister, and this is removed
Day with fog is connected with blast pipe, and the blast pipe is provided with dry fog case and air-introduced machine.Desulfurizing tower uses following current form, accelerates flue gas
Flow velocity, so as to reduce the size of tower；Residual dust in discharge gas is removed by dry fog case.
More preferably, the dry fog case includes casing, and the casing is provided with air inlet and gas outlet, and the top of the casing is provided with
Some atomizers, the atomizer includes being provided with inlet channel, admission line, mixing chamber, water spray in sprayer body, the sprayer body
Hole and fumarole, the two ends of the mixing chamber are connected with the inlet channel and hole for water spraying respectively, the admission line with it is described
Fumarole is connected and connected by through hole with the mixing chamber.
The operation principle of atomizer is：Pressure in atomizer admission line is more than pressure and the mixing of inlet channel
Compression stroke in the pressure of room, admission line mixes with water into mixing chamber and forms bubble, and bubble is in two-phase flow process
It is middle to accelerate, deform, expanding, liquid is squeezed into water spray aperture thread and sprayed water in leaving in the extremely short distance in aperture, due to
The increase of inside and outside differential pressure and drastically expand in addition explode, brin line is fried into trickleer droplet；The height sprayed from fumarole
Very high relative velocity is formed between fast air-flow and droplet, very big frictional force is produced, air-flow produces strong tear to droplet
With shear action, droplet is so as to by secondary-atomizing, form the smaller droplet of diameter, while accelerating the speed of service of droplet.
More preferably, in order to reach preferably atomizing effect and spray velocity, a diameter of 1~2mm of the hole for water spraying is described
A diameter of 1~3mm of fumarole.
More preferably, the angle between the jet axially bored line and the water spray axially bored line is 5~20 °, to obtain preferably mist
Change effect, while obtaining faster spray velocity.
More preferably, the quantity of the fumarole is 2~6, and ring is uniform.
More preferably, dividing plate, the bottom phase of the dividing plate and the casing are provided with close to described gas outlet one end in the casing
Every.The structure causes dust directly will not be overflowed from gas outlet.
More preferably, the bottom of the casing is provided with blow-off pipe, and the blow-off pipe is provided with gate valve.
The utility model reduces the size of desulfurizing tower, and the remaining powder in discharge gas is removed using dry fog dedusting technology
Dirt, the atomizer especially researched and developed is atomized twice to liquid, i.e. effervescent atomization and pneumatic nebulization so that in whole dry fog case
It is less than 2.5 μm of droplet full of diameter, dust removing effects are good, can effectively remove PM2.5.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of dry fog case；
Fig. 3 is the structural representation of atomizer；
Fig. 4 is the upward view schematic diagram in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Cigarette is sequentially with from top to bottom in following current tower flue gas dust arrester as shown in Figure 1, including desulfurizing tower 1, desulfurizing tower 1
Gas inlet pipe 11, spray equipment 12, exhanst gas outlet 13 and circulation stock tank 14, spray equipment 12 pass through circulation pipe 16 and circulation stock tank 14
Connection, the circulation pipe 16 is provided with circulating pump 17, and exhanst gas outlet 13 is connected with demister 15, and the demister 15 is connected with blast pipe
2, the blast pipe 2 is provided with dry fog case 3 and air-introduced machine 4.
Dry fog case 3 as shown in Figures 2 to 4, including casing 31, the two ends of the casing 31 are provided with air inlet 33 and gas outlet
34, the connection airway tube 2 of air inlet 33, gas outlet 34 is connected in blast pipe 5, casing 31 close to the one end of gas outlet 34 provided with dividing plate
35, the bottom of the dividing plate 35 and casing 31 is separated by, and the top of casing 31 is provided with some atomizers 32, and the bottom of casing 31 is provided with
Provided with blow-off pipe 36, the blow-off pipe 36 is provided with gate valve 37；Atomizer 32 includes sprayer body 321, be provided with sprayer body 321 into
Waterpipe 322, four admission lines 323, mixing chamber 325, hole for water spraying 327 and four fumaroles 326, the two ends of mixing chamber 325
It is connected respectively with inlet channel 322 and hole for water spraying 327, admission line 323 is connected with fumarole 326 and by through hole 324 with mixing
Close room 325 to connect, a diameter of 1.2mm of hole for water spraying 327, a diameter of 1.8mm of fumarole 326, the axis of fumarole 326 and water spray
Angle theta between the axis of hole 327 is 9 °, and the gentle dry fog machine by prior art of water needed for atomizer 32 is provided.
The operation principle and the course of work of the following current tower flue gas dust arrester are as follows：Flue gas enters desulfurization from flue gas inlet pipe 11
In tower 1, circulation stock tank 14 sprays the SO in lime slurry, flue gas built with lime slurry, spray equipment 122In lime slurry
The lower reaction precipitation of effect, flue dust and the lime slurry of larger particles, which converge, to be dropped, and demister 15 is gone out the droplet in flue gas, then
Flue gas enters dry fog case 3.Suppressing dust with dry mist technology, is that water smoke is melted into ultra-fine droplet, when dust-contained airflow bypasses droplet, grit by
In inertia can deviate from the air-flow streamed and with droplet bump against be captured, i.e., by the inertial collision of powder dust particle and drop,
Seizure is realized in the effect such as interception and cohesion, diffusion so that the particle diameter of grit becomes big, settles down, reaches under gravity
To the purpose for removing powder dust particle.If droplet particle diameter is much larger than dust granules, then dust only follows water fog particle
The air motion of surrounding, water fog particle is contacted seldom with dust granules or is not in contact with all, and does not reach dust suppression effect.This
Droplet in dry fog case 3 full of diameter less than 2.5 μm, flue dust remaining in flue gas is removed, and particularly can effectively be removed
PM2.5。
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of following current tower flue gas dust arrester, including desulfurizing tower, it is characterised in that：Sequentially set from top to bottom in the desulfurizing tower
There are flue gas inlet pipe, spray equipment, exhanst gas outlet and circulation stock tank, the spray equipment is connected by circulation pipe with the circulation stock tank
Logical, the circulation pipe is provided with circulating pump, and the exhanst gas outlet is connected with demister, and the demister is connected with blast pipe, the exhaust
Pipe is provided with dry fog case and air-introduced machine.
2. following current tower flue gas dust arrester as claimed in claim 1, it is characterised in that：The dry fog case includes casing, the case
Body is provided with air inlet and gas outlet, and the top of the casing is provided with some atomizers, and the atomizer includes sprayer body, the spray
Head is provided with inlet channel, admission line, mixing chamber, hole for water spraying and fumarole in vivo, the two ends of the mixing chamber respectively with it is described
Inlet channel is connected with hole for water spraying, and the admission line is connected with the fumarole and connected by through hole with the mixing chamber.
3. following current tower flue gas dust arrester as claimed in claim 2, it is characterised in that：A diameter of the 1 of the hole for water spraying~
2mm, a diameter of 1~3mm of the fumarole.
4. following current tower flue gas dust arrester as claimed in claim 3, it is characterised in that：A diameter of 1.2mm of the hole for water spraying,
A diameter of 1.8mm of the fumarole.
5. following current tower flue gas dust arrester as claimed in claim 3, it is characterised in that：The jet axially bored line and the water spray
Angle between axially bored line is 5~20 °.
6. following current tower flue gas dust arrester as claimed in claim 5, it is characterised in that：The jet axially bored line and the water spray
Angle between axially bored line is 9 °.
7. following current tower flue gas dust arrester as claimed in claim 5, it is characterised in that：The quantity of the fumarole is 2~6
It is individual, and ring is uniform.
8. following current tower flue gas dust arrester as claimed in claim 7, it is characterised in that：The quantity of the fumarole is 4.
9. following current tower flue gas dust arrester as claimed in claim 2, it is characterised in that：Close to the gas outlet in the casing
One end is provided with dividing plate, and the bottom of the dividing plate and the casing is separated by.
10. following current tower flue gas dust arrester as claimed in claim 2, it is characterised in that：The bottom of the casing is provided with blowdown
Pipe, the blow-off pipe is provided with gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130500.6U CN206508793U (en) | 2017-02-13 | 2017-02-13 | A kind of following current tower flue gas dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130500.6U CN206508793U (en) | 2017-02-13 | 2017-02-13 | A kind of following current tower flue gas dust arrester |
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| Publication Number | Publication Date |
|---|---|
| CN206508793U true CN206508793U (en) | 2017-09-22 |
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| CN201720130500.6U Active CN206508793U (en) | 2017-02-13 | 2017-02-13 | A kind of following current tower flue gas dust arrester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529559A (en) * | 2018-12-04 | 2019-03-29 | 昊姆（上海）节能科技有限公司 | Flue gas takes off white plumage system and its takes off white plumage method |
| CN109966824A (en) * | 2019-04-26 | 2019-07-05 | 黄中伟 | Spray column a kind of while that there is high-efficient washing purification and high-efficiency dehydration demisting |
| CN110449003A (en) * | 2019-08-09 | 2019-11-15 | 苏州匹丝软件设计有限公司 | A kind of gaseous state flue gas desulphurization unit |
| CN115385412A (en) * | 2022-08-15 | 2022-11-25 | 山东国舜建设集团有限公司 | Waste water evaporation system and method utilizing flue gas waste heat |
-
2017
- 2017-02-13 CN CN201720130500.6U patent/CN206508793U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529559A (en) * | 2018-12-04 | 2019-03-29 | 昊姆（上海）节能科技有限公司 | Flue gas takes off white plumage system and its takes off white plumage method |
| CN109966824A (en) * | 2019-04-26 | 2019-07-05 | 黄中伟 | Spray column a kind of while that there is high-efficient washing purification and high-efficiency dehydration demisting |
| CN110449003A (en) * | 2019-08-09 | 2019-11-15 | 苏州匹丝软件设计有限公司 | A kind of gaseous state flue gas desulphurization unit |
| CN115385412A (en) * | 2022-08-15 | 2022-11-25 | 山东国舜建设集团有限公司 | Waste water evaporation system and method utilizing flue gas waste heat |
| CN115385412B (en) * | 2022-08-15 | 2023-12-29 | 山东国舜建设集团有限公司 | Waste water evaporation system and method utilizing waste heat of flue gas |
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