CN104623999A - Wet venturi scrubber - Google Patents
Wet venturi scrubber Download PDFInfo
- Publication number
- CN104623999A CN104623999A CN201510027772.9A CN201510027772A CN104623999A CN 104623999 A CN104623999 A CN 104623999A CN 201510027772 A CN201510027772 A CN 201510027772A CN 104623999 A CN104623999 A CN 104623999A
- Authority
- CN
- China
- Prior art keywords
- tube
- pipe
- sparge pipe
- eddy flow
- head
- 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.)
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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
- B01D47/10—Venturi scrubbers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to a wet venturi scrubber, applied to the technical field of coal gasification. The wet venturi scrubber comprises a gas introduction tube, a water spraying pipe, a sealing flange, a first supporting piece, a vortex head, a venturi tube, a shrinkage tube, a diverging tube, a differential pressure measuring device and a second supporting piece, wherein the gas introduction tube is connected with a front station equipment through a flange, and the upper part of the water spraying pipe is welded with a flange; the water spraying pipe is arranged inside an elbow of the gas introduction tube through a sealing flange, and the water spraying pipe is fixed on the first supporting piece through a hoop; the vortex head is arranged at the head of the water spraying pipe through a thread and is arranged inside the shrinkage tube, and the shrinkage tube and the diverging tube are fixed with the second supporting piece; the differential pressure measuring device is arranged outside the venturi tube, and the venturi tube is connected with the gas introduction tube through an upper flange; the water spraying pipe is fixed with the first supporting piece through the hoop, and supporting plates are arranged around the hoop at an angle of 120 degrees. The wet venturi scrubber provided by the invention has the advantages of low investment, simple structure, relatively high purification efficiency, and cooling, increase in humidity and purification of poisonous and harmful gases in the scrubbing process.
Description
Technical field
The present invention relates to a kind of wet type venturi scrubber in ash-laden gas carrying out washing treatment field, be particularly useful for dedusting and the preliminary purification system of crude synthesis gas in coal gasification apparatus, can effectively reduce dust content in synthesis gas.
Background technology
Wet dedusting technology, is also washing type dedusting technology, is that one utilizes water and dusty gas to contact with each other, is attended by the transmission of heat, matter, through washing the technology making grit separated from the gas.Wet dedusting technology is generally applied and heat and power system in early days, absorbs, be applied to the crude synthesis gas treatment system of coal gasifying process by consumption.Adopt straight mixed pattern if any coal gasification apparatus, washings enter blender through sparge pipe, without venturi type setting, adopt straight mixed structure, clash into, are atomized, flocculating result is not good enough.Or between collapsible tube and increaser, use longer straight length, increase SR, energy consumption raises.Or volume is comparatively large, floor space is wide, and equipment manufacturing cost is high.Therefore, develop a kind of wet type venturi scrubber is new problem urgently to be resolved hurrily always.
Summary of the invention
The object of this invention is to provide a kind of wet type venturi scrubber, for ash-laden gas carrying out washing treatment field, this equipment investment is few, simple structure, and purification efficiency is higher, also has cooling down, increases humidity and the effect of purification toxic and harmful in dust removal process.
The object of the present invention is achieved like this: a kind of wet type venturi scrubber, comprise air entraining pipe, sparge pipe, sealing flange, first support member, eddy flow head, Venturi tube, collapsible tube, increaser, differential pressure measurement device, second support member, described air entraining pipe is by flange and front workshop section equipment connection, sparge pipe upper weld has flange, and the elbow inside of air entraining pipe is arranged on by sealing flange, sparge pipe is fixed by the first support member by anchor ear, eddy flow head is arranged on sparge pipe head by screw thread, eddy flow head is arranged on collapsible tube inside, collapsible tube, increaser is fixed by the second support member, Venturi tube outer setting differential pressure measurement device, Venturi tube is connected with air entraining pipe by upper flange, described first support member is fixed sparge pipe by anchor ear, and anchor ear surrounding is pressed hexagonal angle and arranged gripper shoe, described eddy flow head is arranged on sparge pipe head by screw thread, and in eddy flow head, the direction of rotation of spinning disk matches with hand of spiral, and prevent gas shock from causing eddy flow head to loosen, come off, eddy flow head is arranged in collapsible tube region, its operation principle is, dusty gas enters this dust arrester by air entraining pipe, washings are accessed by sparge pipe, sparge pipe is connected by flange with air entraining pipe, the equipment of being convenient to is opened and inspect, sparge pipe is fixed by support member, prevent sparge pipe in running from occurring vibrations, washings flow through collapsible tube and the increaser region of Venturi tube with dust-contained airflow after eddy flow head eddy flow, at collapsible tube place because basal area reduces gradually, in pipe, static pressure gradates as kinetic energy, velocity in pipes is increased, peak is reached at collapsible tube and increaser joint air-flow velocity, after air-flow enters increaser, basal area expands gradually, in pipe, static pressure is restored gradually, air-flow velocity also returns gradually and falls, the washings accessed by sparge pipe rotate ejection at collapsible tube through the dispersion of eddy flow head, more tiny droplet is atomized into further under the impact of high velocity air, the chance that increase grit and droplet collide, washings and dusty gas are through clashing into, atomization, condense a series of process, after enter rear system and be separated, differential pressure measurement device is for checking this deduster duty, whether appearance blocks, dropping situations.
Main points of the present invention are its structure and working principle.Its operation principle is, dusty gas enters this dust arrester by air entraining pipe, washings are accessed by sparge pipe, sparge pipe is connected by flange with air entraining pipe, the equipment of being convenient to is opened and inspect, sparge pipe is fixed by support member, prevent sparge pipe in running from occurring vibrations, washings flow through collapsible tube and the increaser region of Venturi tube with dust-contained airflow after eddy flow head eddy flow, at collapsible tube place because basal area reduces gradually, in pipe, static pressure gradates as kinetic energy, velocity in pipes is increased, peak is reached at collapsible tube and increaser joint air-flow velocity, after air-flow enters increaser, basal area expands gradually, in pipe, static pressure is restored gradually, air-flow velocity also returns gradually and falls, the washings accessed by sparge pipe rotate ejection at collapsible tube through the dispersion of eddy flow head, more tiny droplet is atomized into further under the impact of high velocity air, the chance that increase grit and droplet collide, washings and dusty gas are through clashing into, atomization, condense a series of process, after enter rear system and be separated, differential pressure measurement device is for checking this deduster duty, whether appearance blocks, dropping situations.
A kind of wet type venturi scrubber compared with prior art, have equipment investment few, simple structure, purification efficiency is higher, in dust removal process, also have cooling down, increase the advantage such as humidity and purification toxic and harmful, will be widely used in Coal Gasification Technology field.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cutaway view Amplified image of eddy flow head part of the present invention.
Fig. 3 is the top view of Fig. 2.
Detailed description of the invention
With reference to accompanying drawing, a kind of wet type venturi scrubber, comprise air entraining pipe 1, sparge pipe 2, sealing flange 3, first support member 4, eddy flow head 5, Venturi tube 6, collapsible tube 7, increaser 8, differential pressure measurement device 9, second support member 10, described air entraining pipe 1 is by flange and front workshop section equipment connection, sparge pipe 2 upper weld has flange, and the elbow inside of air entraining pipe 1 is arranged on by sealing flange 3, sparge pipe 2 is fixed by the first support member 4 by anchor ear, eddy flow head 5 is arranged on sparge pipe 2 head by screw thread, it is inner that eddy flow head 5 is arranged on collapsible tube 7, collapsible tube 7, increaser 8 is fixed by the second support member 10, Venturi tube 6 outer setting differential pressure measurement device 9, Venturi tube 6 is connected with air entraining pipe 1 by upper flange.Described first support member 4 is fixed sparge pipe 2 by anchor ear, and anchor ear surrounding is pressed hexagonal angle and arranged gripper shoe.Described eddy flow head 5 is arranged on sparge pipe 2 head by screw thread, and in eddy flow head 5, the direction of rotation of spinning disk matches with hand of spiral, and prevent gas shock from causing eddy flow head 5 to loosen, come off, eddy flow head 5 is arranged in collapsible tube 7 region.Its operation principle is, dusty gas enters this dust arrester by air entraining pipe 1, washings are accessed by sparge pipe 2, sparge pipe 2 is connected by flange with air entraining pipe 1, the equipment of being convenient to is opened and inspect, sparge pipe 2 is fixed by support member 4, prevent sparge pipe in running from occurring vibrations, washings flow through collapsible tube 7 and increaser 8 region of Venturi tube 6 with dust-contained airflow after eddy flow head 5 eddy flow, at collapsible tube 7 place because basal area reduces gradually, in pipe, static pressure gradates as kinetic energy, velocity in pipes is increased, peak is reached at collapsible tube 7 and increaser 8 joint air-flow velocity, after air-flow enters increaser 8, basal area expands gradually, in pipe, static pressure is restored gradually, air-flow velocity also returns gradually and falls, the washings accessed by sparge pipe 2 disperse to rotate ejection through eddy flow head 5 at collapsible tube 7, more tiny droplet is atomized into further under the impact of high velocity air, the chance that increase grit and droplet collide, washings and dusty gas are through clashing into, atomization, condense a series of process, after enter rear system and be separated, differential pressure measurement device 9 is for checking this deduster duty, whether appearance blocks, dropping situations.
Claims (4)
1. a wet type venturi scrubber, comprise air entraining pipe, sparge pipe, sealing flange, first support member, eddy flow head, Venturi tube, collapsible tube, increaser, differential pressure measurement device, second support member, it is characterized in that: described air entraining pipe is by flange and front workshop section equipment connection, sparge pipe upper weld has flange, and the elbow inside of air entraining pipe is arranged on by sealing flange, sparge pipe is fixed by the first support member by anchor ear, eddy flow head is arranged on sparge pipe head by screw thread, eddy flow head is arranged on collapsible tube inside, collapsible tube, increaser is fixed by the second support member, Venturi tube outer setting differential pressure measurement device, Venturi tube is connected with air entraining pipe by upper flange.
2. a kind of wet type venturi scrubber according to claim 1, is characterized in that: described first support member is fixed sparge pipe by anchor ear, and anchor ear surrounding is pressed hexagonal angle and arranged gripper shoe.
3. a kind of wet type venturi scrubber according to claim 1, it is characterized in that: described eddy flow head is arranged on sparge pipe head by screw thread, in eddy flow head, the direction of rotation of spinning disk matches with hand of spiral, prevent gas shock from causing eddy flow head to loosen, come off, eddy flow head is arranged in collapsible tube region.
4. a kind of novel wet type venturi scrubber according to claim 1, it is characterized in that: its operation principle is, dusty gas enters this dust arrester by air entraining pipe, washings are accessed by sparge pipe, sparge pipe is connected by flange with air entraining pipe, the equipment of being convenient to is opened and inspect, sparge pipe is fixed by support member, prevent sparge pipe in running from occurring vibrations, washings flow through collapsible tube and the increaser region of Venturi tube with dust-contained airflow after eddy flow head eddy flow, at collapsible tube place because basal area reduces gradually, in pipe, static pressure gradates as kinetic energy, velocity in pipes is increased, peak is reached at collapsible tube and increaser joint air-flow velocity, after air-flow enters increaser, basal area expands gradually, in pipe, static pressure is restored gradually, air-flow velocity also returns gradually and falls, the washings accessed by sparge pipe rotate ejection at collapsible tube through the dispersion of eddy flow head, more tiny droplet is atomized into further under the impact of high velocity air, the chance that increase grit and droplet collide, washings and dusty gas are through clashing into, atomization, condense a series of process, after enter rear system and be separated, differential pressure measurement device is for checking this deduster duty, whether appearance blocks, dropping situations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027772.9A CN104623999B (en) | 2015-01-21 | 2015-01-21 | A kind of wet type venturi scrubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027772.9A CN104623999B (en) | 2015-01-21 | 2015-01-21 | A kind of wet type venturi scrubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104623999A true CN104623999A (en) | 2015-05-20 |
| CN104623999B CN104623999B (en) | 2016-05-18 |
Family
ID=53203528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027772.9A Expired - Fee Related CN104623999B (en) | 2015-01-21 | 2015-01-21 | A kind of wet type venturi scrubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104623999B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440127A (en) * | 2016-08-30 | 2017-02-22 | 连云港职业技术学院 | Cold air type air cooling device |
| CN112473290A (en) * | 2020-11-10 | 2021-03-12 | 李昌友 | Atomizing device and dust fall equipment based on venturi principle |
| CN114146522A (en) * | 2021-11-30 | 2022-03-08 | 华能吉林发电有限公司长春热电厂 | Venturi wet dust removal device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1805230A1 (en) * | 1968-10-25 | 1970-05-06 | Baumco Appbau Gmbh | Purification of gases in a venturi scrubber |
| CN201154281Y (en) * | 2008-02-15 | 2008-11-26 | 北京博鹏北科科技有限公司 | Downstriker circular seam venturi tube |
| US8480063B2 (en) * | 2009-09-07 | 2013-07-09 | National Chiao Tung University | Wetted wall venturi scrubber with a 2-stage venturi throat |
| CN103468324A (en) * | 2013-09-29 | 2013-12-25 | 华东理工大学 | Synthesis gas washer and synthesis gas washing system |
| CN204502663U (en) * | 2015-01-21 | 2015-07-29 | 沈阳鼓风机集团洁净煤气化技术有限公司 | A kind of wet type venturi scrubber |
-
2015
- 2015-01-21 CN CN201510027772.9A patent/CN104623999B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1805230A1 (en) * | 1968-10-25 | 1970-05-06 | Baumco Appbau Gmbh | Purification of gases in a venturi scrubber |
| CN201154281Y (en) * | 2008-02-15 | 2008-11-26 | 北京博鹏北科科技有限公司 | Downstriker circular seam venturi tube |
| US8480063B2 (en) * | 2009-09-07 | 2013-07-09 | National Chiao Tung University | Wetted wall venturi scrubber with a 2-stage venturi throat |
| CN103468324A (en) * | 2013-09-29 | 2013-12-25 | 华东理工大学 | Synthesis gas washer and synthesis gas washing system |
| CN204502663U (en) * | 2015-01-21 | 2015-07-29 | 沈阳鼓风机集团洁净煤气化技术有限公司 | A kind of wet type venturi scrubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440127A (en) * | 2016-08-30 | 2017-02-22 | 连云港职业技术学院 | Cold air type air cooling device |
| CN106440127B (en) * | 2016-08-30 | 2022-03-18 | 连云港职业技术学院 | Cold air type air cooling device |
| CN112473290A (en) * | 2020-11-10 | 2021-03-12 | 李昌友 | Atomizing device and dust fall equipment based on venturi principle |
| CN114146522A (en) * | 2021-11-30 | 2022-03-08 | 华能吉林发电有限公司长春热电厂 | Venturi wet dust removal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104623999B (en) | 2016-05-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20190121 |