CN204601901U - A kind of spray washing gas wash tower - Google Patents
A kind of spray washing gas wash tower Download PDFInfo
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- CN204601901U CN204601901U CN201420830410.4U CN201420830410U CN204601901U CN 204601901 U CN204601901 U CN 204601901U CN 201420830410 U CN201420830410 U CN 201420830410U CN 204601901 U CN204601901 U CN 204601901U
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- column plate
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- circulating water
- atomizer
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Abstract
The utility model relates to a kind of spray washing gas wash tower, comprise tower main body (11), demister (8) is provided with from top to bottom in described tower main body (11), atomizer (7), anti-clogging column plate (3), circulating water pool (10) and immersion gas distributor (6), described immersion gas distributor (6) is immersed under the liquid level of circulating water pool (10), described anti-clogging column plate (3) is provided with at least two pieces, at least two pieces of anti-clogging column plates (3) are positioned between circulating water pool (10) liquid level and atomizer (7).Compared with prior art, the utility model is arranged by gas submergence and anti-clogging column plate, adds liquid phase touch opportunity, greatly improves water washing dedust efficiency, avoid complex structure causes resistance to increase and fouling and clogging simultaneously, is applicable to the water washing dedust of high dustiness industrial tail gas.
Description
Technical field
The present invention relates to a kind of spray washing gas wash tower, particularly the water washing dedust field of industrial tail gas, be particularly useful for the process of high dustiness industrial tail gas.
Background technology
Spray column is applicable to process the higher gas of high humidity, high temperature and dust content, and its pattern mainly contains spray void tower and packed tower.Packed tower mass-transfer efficiency is high, but easily fouling; Spray void tower structure is simple, and resistance is little, but due to liquid phase contact insufficient, cause mass-transfer efficiency low.In order to improve mass-transfer efficiency, the general chance adopting simple component improvement spray void tower structure to strengthen gas-liquid contact, improves mass-transfer efficiency, avoids fouling and clogging.
Chinese patent CN1272087C discloses a kind of fume desulfurizing tower with gas flow guiding and the punching of fluid column rapids, and this tower is provided with and carries out the uniform honeycomb filler of water conservancy diversion to gas in gas approach district; In circulation showerhead, arrange nozzle, nozzle adopts rebuilding, and two nozzle angulation α adjacent in same layer are 30 ° ~ 80 °.Because this system layout has distribution device in gas-fluid and special nozzle compared with common liquid column tower, under identical tower diameter, mass-transfer efficiency improves 20 ~ 30%, gas treatment amount can increase by 15 ~ 20%, and liquid-gas ratio can decline 20 ~ 30%, greatly reduces equipment fixed investment and running cost.
Chinese patent CN101279184B discloses a kind of helical airflow type wet method flue gas desulfurization process and spray column thereof.Flue gas enters from spray column cylindrical shell upper tangential the guiding of this technique, in the screw of spray column inner barrel, in spray column cylindrical shell bottom, butt leaves, upwards spray lime stone slurry simultaneously, slurries droplet is first contacted with the flue gas adverse current of downward screw, then deadweight and flue gas drag force effect under fall after rise, contact with flue gas downstream again, and then make the sulfur dioxide in flue gas and lime stone slurry droplet that chemical reaction and being absorbed fast occur.Its desulfuration efficiency is high, it is low, safe and reliable to operation to invest.
Visible, the contact being strengthened liquid phase by modified node method is the effective way improving spray void tower mass-transfer efficiency.Also should avoid newly-increased component too complex simultaneously and increase gas phase drag, keeping the advantage of the less scaling blocking of spray void tower
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide one can realize gas-liquid contact better, strengthening mass-transfer efficiency, improve efficiency of dust collection, avoid the spray washing gas wash tower that complex structure causes resistance increase and fouling and clogging simultaneously.
Object of the present invention can be achieved through the following technical solutions:
A kind of spray washing gas wash tower, comprise tower main body, it is characterized in that, demister, atomizer, anti-clogging column plate, circulating water pool and immersion gas distributor is provided with from top to bottom in described tower main body, described immersion gas distributor is immersed under the liquid level of circulating water pool, described anti-clogging column plate is provided with at least two pieces, and at least two blocks of anti-clogging column plates are between circulating water pool liquid level and atomizer.
Described anti-clogging column plate is positioned on the liquid level of circulating water pool, and its quantity has two pieces at least, and each anti-clogging column plate is setting up and down in tower main body inner wall.
In described anti-clogging column plate, the height of the circulating water pool liquid level of the nethermost column plate in position and tower bottom should be not less than the immersion gas distributor submergence of 0.1 times.
Each anti-clogging column plate is crisscross arranged up and down.
Recirculated water in described circulating water pool is after circulating water outlet flows out, atomizer water inlet is entered after being pressurizeed by water circulating pump, then be atomized by atomizer, contact with the dust in gas, become larger droplets fall to anti-clogging column plate, anti-clogging column plate contacts further with ascending air, the dust granule in captured gas, finally enter circulating water pool precipitation.
Described atomizer is connected with atomizer water inlet by pipeline; The quantity of described atomizer is at least 1.
Described tower body top is provided with gas vent, and bottom is provided with sewage draining exit, and the band drop gas after dedusting is by discharging via gas vent after demister again, and the dust granule that spray washing gas wash tower is removed, enters in circulating water pool and precipitate, and discharges through sewage draining exit.
The degree of depth under the liquid level that described immersion gas distributor is immersed in circulating water pool is 0.05 ~ 3m.
Described demister at set intervals, need clean removing dust granule by demister scavenge pipe, prevent blocking.
Gas to be cleaned is uniformly distributed through immersion gas distributor, enter circulating water pool, fraction solids dust bulky grain is recycled water trapping, gas carries drop effusion circulating water pool, gas-liquid separation is there is in space between anti-clogging column plate and circulating water pool, drop enters circulating water pool downwards, and gas upwards increases the touch opportunity of dropping liq and dust from gas particle by anti-clogging column plate, thus improves arresting efficiency.
Compared with prior art, the present invention is arranged by gas submergence and anti-clogging column plate, adds liquid phase touch opportunity, greatly improves water washing dedust efficiency, avoid complex structure causes resistance to increase and fouling and clogging simultaneously, is applicable to the water washing dedust of high dustiness industrial tail gas.
Accompanying drawing explanation
Fig. 1 is the spray washing gas wash tower with immersion gas distributor and anti-clogging column plate of two-layer column plate and single atomizing nozzle structure;
Fig. 2 is the spray washing gas wash tower with immersion gas distributor and anti-clogging column plate of four layers of column plate and double-deck atomizing nozzle structure;
Fig. 3 is the spray washing gas wash tower with immersion gas distributor and anti-clogging column plate of four layers of column plate and three layers of atomizing nozzle structure;
In figure: demister scavenge pipe 1, water inlet 2, anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c, anti-clogging column plate 3d, circulating water outlet 4, sewage draining exit 5, gas distributor 6, atomizer 7, demister 8, gas vent 9, circulating water pool 10, tower main body 11.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of two-layer column plate list atomizing nozzle structure spray washing gas wash tower, comprise tower main body 11, demister 8 is provided with from top to bottom in described tower main body 11, atomizer 7, anti-clogging column plate 3, circulating water pool 10 and immersion gas distributor 6, described immersion gas distributor 6 is immersed under the liquid level of circulating water pool 10, described anti-clogging column plate 3 is provided with two pieces, be respectively: anti-clogging column plate 3a and anti-clogging column plate 3b, two blocks of anti-clogging column plates 3 are between circulating water pool 10 liquid level and atomizer 7, anti-clogging column plate 3a and anti-clogging column plate 3b is crisscross arranged up and down on the inwall of tower main body 11, wherein the height of the circulating water pool liquid level of anti-clogging column plate 3a and tower bottom should be 0.1m.Atomizer 7 is connected with atomizer water inlet 2 by pipeline; The quantity of described atomizer is 1.Described tower main body 11 top is provided with gas vent 9, and bottom is provided with sewage draining exit 5, and the degree of depth under the liquid level that described immersion gas distributor 6 is immersed in circulating water pool is 0.05m.
High dustiness gas is by entering the gas distributor 6 be immersed under circulating water pool 10 liquid level at the bottom of tower; be uniformly distributed in circulating water pool 10; contacted with water by bubbling; after effusion circulating water pool 10 liquid level; space gas-liquid separation between recirculated water liquid level and anti-clogging column plate 3a; fraction solids bulky grain is taken back circulating water pool 10 by drop; granule dust continues to rise to anti-clogging column plate 3a with gas; here contact with the recirculated water trapping fine dust particles; part dust granule is recycled water trapping, enters circulating water pool 10 downwards.Gas continues to rise, and due to the effect of anti-clogging column plate 3a and anti-clogging column plate 3b, enhances the chance of gas-liquid contact, improves the mass-transfer efficiency of dust from gas particle to liquid phase main body.Solid particle in circulating water pool 10 gathers bottom pond, is discharged into outside by sewage draining exit 5.Recirculated water after clarification enters water circulating pump by circulating water outlet 4, atomizer water inlet 2 is entered after pressurization, and be atomized into fine drop by atomizer 7, contact with anti-clogging column plate 3b uprising gas, fine particle in further captured gas, and drop on anti-clogging column plate 3b, be gathered into Continuous Liquid Phase and contact with uprising gas.Gas through washing passes atomizer 7, and enter demister 8, the fine drop that gas carries is caught by demister 8, and after purification, gas discharges spray washing gas wash tower 11 by tower top outlet 9.Open demister scavenge pipe 1 at set intervals and clean demister 8, block demister 8 to prevent dust granule.
Embodiment 2
As shown in Figure 2, a kind of four layers of column plate double-deck atomizing nozzle structure spray washing gas wash tower, comprise tower main body 11, demister 8 is provided with from top to bottom in described tower main body 11, atomizer 7, anti-clogging column plate 3, circulating water pool 10 and immersion gas distributor 6, described immersion gas distributor 6 is immersed under the liquid level of circulating water pool 10, described anti-clogging column plate 3 is provided with four pieces, be respectively: anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d, four blocks of anti-clogging column plates 3 are between circulating water pool 10 liquid level and atomizer 7, anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d is crisscross arranged up and down on the inwall of tower main body 11, wherein the height of the circulating water pool liquid level of anti-clogging column plate 3a and tower bottom is 1.5m.Atomizer 7 is connected with atomizer water inlet 2 by pipeline; The quantity of described atomizer is 2, is respectively: atomizer 7a and atomizer 7b.Described tower main body 11 top is provided with gas vent 9, and bottom is provided with sewage draining exit 5, and the degree of depth under the liquid level that described immersion gas distributor 6 is immersed in circulating water pool is 1.5m.
High dustiness gas is by entering the gas distributor 6 be immersed under circulating water pool 10 liquid level at the bottom of tower; be uniformly distributed in circulating water pool 10; contacted with water by bubbling; after effusion recirculated water liquid level; in recirculated water liquid level and the space gas-liquid separation between next block anti-clogging column plate 3a; fraction solids bulky grain is taken back circulating water pool 10 by drop; granule dust continues to rise to column plate with gas; here contact with the recirculated water trapping fine dust particles; part dust granule is recycled water trapping, enters circulating water pool 10 downwards.Due to the effect of four pieces of anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d, the gas of rising enhances the chance of gas-liquid contact, improves the mass-transfer efficiency of dust from gas particle to liquid phase main body.Solid particle in circulating water pool 10 gathers bottom pond, is discharged by sewage draining exit 5.Recirculated water after clarification enters water circulating pump by circulating water outlet 4, atomizer water inlet 2 is entered after pressurization, and be atomized into fine drop by atomizer 7a and atomizer 7b, contact with most lastblock anti-clogging column plate 3d uprising gas, fine particle in further captured gas, and drop on anti-clogging column plate 3d, be gathered into Continuous Liquid Phase and contact with uprising gas, and enter circulating water pool after continuing through anti-clogging column plate 3c, anti-clogging column plate 3b, anti-clogging column plate 3a.Gas through washing passes atomizer 7a, atomizer 7b, enters demister 8.The fine drop that gas carries is caught by demister 8, and after purification, gas discharges spray washing gas wash tower 11 by tower top outlet 9.Open demister scavenge pipe 1 at set intervals and clean demister 8, block demister 8 to prevent dust granule.
Embodiment 3
As shown in Figure 3, a kind of four layers of column plate three layers of atomizing nozzle structure spray washing gas wash tower, comprise tower main body 11, demister 8 is provided with from top to bottom in described tower main body 11, atomizer 7, anti-clogging column plate 3, circulating water pool 10 and immersion gas distributor 6, described immersion gas distributor 6 is immersed under the liquid level of circulating water pool 10, described anti-clogging column plate 3 is provided with four pieces, be respectively: anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d, four blocks of anti-clogging column plates 3 are between circulating water pool 10 liquid level and atomizer 7, anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d is crisscross arranged up and down on the inwall of tower main body 11, wherein the height of the circulating water pool liquid level of anti-clogging column plate 3a and tower bottom is 0.3m.Atomizer 7 is connected with atomizer water inlet 2 by pipeline; The quantity of described atomizer is 3, is respectively: atomizer 7a, atomizer 7b and atomizer 7c.Described tower main body 11 top is provided with gas vent 9, and bottom is provided with sewage draining exit 5, and the degree of depth under the liquid level that described immersion gas distributor 6 is immersed in circulating water pool is 3m.
High dustiness gas is by entering the gas distributor 6 be immersed under circulating water pool liquid level at the bottom of tower; in circulating water pool 10 all with distribution; contacted with water by bubbling; after effusion recirculated water liquid level; in recirculated water liquid level and the space gas-liquid separation between next block anti-clogging column plate 3a; fraction solids bulky grain is taken back circulating water pool 10 by drop; granule dust continues to rise to column plate with gas; here contact with the recirculated water trapping fine dust particles; part dust granule is recycled water trapping, enters circulating water pool 10 downwards.Due to the effect of anti-clogging column plate 3a, anti-clogging column plate 3b, anti-clogging column plate 3c and anti-clogging column plate 3d, the gas residence time of rising extends, and enhances the chance of gas-liquid contact, improves the mass-transfer efficiency of dust from gas particle to liquid phase main body.Solid particle in circulating water pool 10 gathers bottom pond, is discharged by sewage draining exit 5.Recirculated water after clarification enters water circulating pump by circulating water outlet 4, atomizer water inlet 2 is entered after pressurization, and be atomized into fine drop by atomizer 7a, atomizer 7b and atomizer 7c, contact with most lastblock anti-clogging column plate 3d uprising gas, fine particle in further captured gas, and drop on anti-clogging column plate 3d, be gathered into Continuous Liquid Phase to contact with uprising gas, and enter circulating water pool 10 after continuing through anti-clogging column plate 3c, anti-clogging column plate 3b, anti-clogging column plate 3a.Gas through washing passes atomizer 7a, 7b and 7c, enters demister 8.The fine drop that gas carries is caught by demister 8, and after purification, gas discharges spray washing gas wash tower 11 by tower top outlet 9.Open demister scavenge pipe 1 at set intervals and clean demister 8, block demister 8 to prevent dust granule.
Claims (7)
1. a spray washing gas wash tower, comprise tower main body (11), it is characterized in that, demister (8) is provided with from top to bottom in described tower main body (11), atomizer (7), anti-clogging column plate (3), circulating water pool (10) and immersion gas distributor (6), described immersion gas distributor (6) is immersed under the liquid level of circulating water pool (10), described anti-clogging column plate (3) is provided with at least two pieces, at least two pieces of anti-clogging column plates (3) are positioned between circulating water pool (10) liquid level and atomizer (7).
2. spray washing gas wash tower according to claim 1, it is characterized in that, described anti-clogging column plate (3) is positioned on the liquid level of circulating water pool (10), and its quantity has two pieces at least, and each anti-clogging column plate is setting up and down on tower main body (11) inwall.
3. spray washing gas wash tower according to claim 1 and 2, it is characterized in that, in described anti-clogging column plate (3), the height of the circulating water pool liquid level of the nethermost column plate in position and tower bottom should be not less than the immersion gas distributor submergence of 0.1 times.
4. spray washing gas wash tower according to claim 1 and 2, is characterized in that, each anti-clogging column plate is crisscross arranged up and down.
5. spray washing gas wash tower according to claim 1, is characterized in that, described atomizer (7) is connected with atomizer water inlet (2) by pipeline; The quantity of described atomizer (7) is at least 1.
6. spray washing gas wash tower according to claim 1, is characterized in that, described tower main body (11) top is provided with gas vent (9), and bottom is provided with sewage draining exit (5).
7. spray washing gas wash tower according to claim 1, is characterized in that, the degree of depth under the liquid level that described immersion gas distributor (6) is immersed in circulating water pool (10) is 0.05 ~ 3m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420830410.4U CN204601901U (en) | 2014-12-19 | 2014-12-19 | A kind of spray washing gas wash tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420830410.4U CN204601901U (en) | 2014-12-19 | 2014-12-19 | A kind of spray washing gas wash tower |
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| CN204601901U true CN204601901U (en) | 2015-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537249A (en) * | 2017-10-30 | 2018-01-05 | 杨胜亿 | A kind of soot processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537249A (en) * | 2017-10-30 | 2018-01-05 | 杨胜亿 | A kind of soot processing device |
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