CN2751868Y - Venturi automatic air impingement atomization desulfurizing dust collector - Google Patents
Venturi automatic air impingement atomization desulfurizing dust collector Download PDFInfo
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- CN2751868Y CN2751868Y CN 200420054378 CN200420054378U CN2751868Y CN 2751868 Y CN2751868 Y CN 2751868Y CN 200420054378 CN200420054378 CN 200420054378 CN 200420054378 U CN200420054378 U CN 200420054378U CN 2751868 Y CN2751868 Y CN 2751868Y
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Abstract
The utility model discloses a Venturi automatic air-impingement atomizing and desulfurizing dust collector. The inlet section of a Venturi pipe is provided with two high-pressure atomizing nozzles, the periphery of the diffusing section of the Venturi pipe is provided with a cylindrical air distributing chamber, the lower part of the cylindrical air distributing chamber is provided with an automatic-impingement atomizing chamber, the cylindrical air distributing chamber and the automatic-impingement atomizing chamber are divided through a set of air distributing contact plates which are covered above an inversely conical working face and are in sloping and spiral arrangement at intervals, and a smoke outlet of the Venturi pipe passes through the air distributing contact plates to be extended into the automatic-impingement atomizing chamber. The utility model combines an impingement type dust collecting and a vortex type dust collecting modes into the automatic-impingement atomizing chamber; when smoke enters the automatic-impingement atomizing chamber, the utility model has the advantages of large air-liquid contacting area, long air-liquid reaction time, small ground occupation and high desulfurizing and dust collecting efficiency, and the air distributing contact plates are made of granite materials with corrosion resistance and long service lives so that the integral device has high service life.
Description
Technical field
The utility model relates to a kind of desulfurating dust removing device for flue gas, particularly a kind of wet-type granite smoke desulfurization dust remover.
Background technology
With granite is the wet dust removal device of material, owing to have low, simple in structure, corrosion-resistant, the reliable advantage of cost, the flue gas ash removal that is widely used in various boilers, this major function is that the product of dedusting can't satisfy the desulfurization requirement, existing at present impulse type water bath desulfurization dust removing and rotating stream tray scrubber desulfurizing dust-collector.Stone matter impulse type water bath desulfurization dust removing cardinal principle is to impact water body with high velocity air, and gas-liquid is acutely mixed, and reaches the desulfurization and dedusting purpose; The monomer volume efficiency of rotating stream tray scrubber desulfurizing dust-collector is the highest, and is applicable to the dense bigger boilers of the initial dirt of flue gas such as boiling, but generally is no more than 3 years the service life of stainless steel column plate; Granite rotating stream tray scrubber treatment effeciency is relatively low, and the boiling boiler flue gas is generally needed supporting low-resistance dry-type dedusting equipment, and floor space is bigger.
The utility model content
The purpose of this utility model provides the less venturi of a kind of desulfurization dust-removing efficiency height, long service life, floor space and dashes the atomizing desulfurizing dust-collector from taking offence.
The technical solution of the utility model is such: venturi dashes the atomizing desulfurizing dust-collector from taking offence, comprise and connect boiler flue, vertical Venturi tube, spiral case and water dust scrubber, the outlet flue that connects boiler flue connects the mouth that advances of Venturi tube, the throat place of Venturi tube is equiped with the alkali lye spraynozzle, and spiral case tangentially connects the smoke inlet of above-mentioned water dust scrubber; Also comprise a cylindric gas mixer chamber, this cylindric gas mixer chamber below is provided with the automatic impact spray chamber that can increase the gas-liquid contact area, prolong the gas liquid reaction time, the diffuser of above-mentioned Venturi tube places in the above-mentioned cylindric gas mixer chamber, and the outlet flue of above-mentioned Venturi tube is stretched in the above-mentioned automatic impact spray chamber, the outlet flue of above-mentioned automatic impact spray chamber passes to above-mentioned cylindric gas mixer chamber, the top of above-mentioned cylindric gas mixer chamber is provided with centrifugal outlet flue along its tangential direction, and this centrifugal outlet flue connects above-mentioned spiral case.
Above-mentioned automatic impact spray chamber is provided with the back taper working face, separate by the distribution of gas contact plate that is covered on one group of the above-mentioned back taper working face spiral setting at interval of tilting between above-mentioned cylindric gas mixer chamber and the above-mentioned automatic impact spray chamber, the outlet flue of above-mentioned Venturi tube passes this distribution of gas contact plate and is stretched in the automatic impact spray chamber, and the below of above-mentioned back taper working face is provided with overfall.
Leave the gas-water separation section between above-mentioned back taper working face and the above-mentioned gas distribution contact plate.
Also be provided with another in above-mentioned gas distribution contact plate top in the above-mentioned cylindric gas mixer chamber and organize the distribution of gas contact plate that interval spiral is provided with.
Annular inner wall along above-mentioned cylindric gas mixer chamber is equipped with water retaining cover in the top of the distribution of gas contact plate of spiral setting at interval in above-mentioned another group inclination.
The inducer of above-mentioned Venturi tube is provided with the high-pressure atomization nozzle.
Above-mentioned high-pressure atomization nozzle has two, is divided into two differing heights places of the inducer of above-mentioned Venturi tube.
The bottom of above-mentioned water dust scrubber is provided with the back taper working face.
The utility model venturi dashes the atomizing desulfurizing dust-collector from taking offence, inducer in Venturi tube is provided with twice high-pressure atomization nozzle, the diffuser of Venturi tube places cylindric distribution of gas indoor, the below of this cylindric distribution of gas chamber is provided with automatic impact spray chamber, and cylindric distribution of gas chamber and the distribution of gas contact plate that impacts between the spray chamber one group of spiral setting at interval of tilting by being covered on back taper working face top are automatically separated, and leave the gas-water separation section between back taper working face and the distribution of gas contact plate.The outlet flue of Venturi tube passes this distribution of gas contact plate and is stretched in the automatic impact spray chamber, the top of this cylindric gas mixer chamber is provided with centrifugal outlet flue along its tangential direction, this centrifugal outlet flue connects above-mentioned spiral case, spiral case connects water dust scrubber along its tangent line, and the bottom of water dust scrubber is provided with the back taper working face.
During use, ash-laden gas enters the Venturi tube inducer by connecing Boiler smoke tube with high flow velocities, the first road high-pressure atomization nozzle ejection high-pressure atomization water droplet breaks through the powder dust particle surface air film of high-speed motion, make it to become hydrocolloid particle, second road high-pressure atomization nozzle ejection high-pressure atomization water droplet fully mixes with hydrocolloid particle, collision, humidification, and dust-laden particle volume and weight all have increase by a relatively large margin.Meanwhile, water droplets also is fractured into＜the fine vaporific particle of 100 μ m simultaneously.Two kinds of particles run to Venturi tube throat simultaneously, further form turbulent flow jointly again with the water droplets of the high-pressure atomization nozzle of throat ejection, the dust-laden particle water content state that reaches capacity, the sulfur dioxide chemical combination in the flue dust becomes the sulfurous acid drop, sulfurous acid and buck chemical combination salify.Larger particles part is moved vertically downward with himself weight and inertia in the dust-laden particle, also pass through the Venturi tube diffuser with its inertia and acceleration of gravity simultaneously than fine grained in this section with water particle formation hypersaturated state and bulky grain, enter automatic impact spray chamber, impact with the water seal face of automatic impact spray chamber and to contact, bump impacts the back taper working face of spray chamber automatically again, rise to the distribution of gas contact plate along the back taper conical surface, water seal water is impacted stirring, also sticked alkali lye on the distribution of gas contact plate, flue dust contacts fully with buck, and grit is captured, sulfur dioxide is neutralized.Gas through impacting the spray chamber purification automatically gets rid of the inwall to cylindric gas mixer chamber along the spiral-flow type gap of distribution of gas contact plate, the drop that mixes in the gas just sticks in the inwall of cylindric gas mixer chamber, carry out gas-water separation, in being located at cylindric gas mixer chamber another group distribution of gas contact plate gets rid of inwall from gas to cylindric gas mixer chamber once more and carries out once more gas-water separation again, the water retaining cover that the drop that is thrown toward the inwall of cylindric gas mixer chamber is located at above-mentioned another group distribution of gas contact plate top blocks, can only be toward dirty.Secondary purification gas flows out along the centrifugal outlet flue on cylindric gas mixer chamber top, enter spiral case, enter water dust scrubber back taper working face along the spiral case tangential direction, rise along this back taper working face rotation, remaining grit and corrosive gas fully contact with moisture film in the flue gas, flowed into sedimentation basin by film entrapment, absorption back with the flue-dust retainer discharge water film dust-remover that water flows into water dust scrubber, flue gas continues purification separation in the rotation uphill process, the flue gas that goes out water dust scrubber is a Purge gas up to standard.
The utility model places the cylindric gas mixer chamber with gas-water separation effect with the diffuser of Venturi tube, and lector and spiral-flow type dedusting method are synthesized in automatic impact spray chamber, dwindled floor space greatly, and desulfurization dust-removing efficiency is higher, water consumption is less, is applicable to the boiler that dustiness is bigger.And it is material that the distribution of gas contact plate adopts granite corrosion-resistant, long service life, has improved the service life of integral device.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the A-01-02-B generalized section of Fig. 1.
Fig. 3 is the I-I generalized section of Fig. 2.
Fig. 4 is the II-II generalized section of Fig. 2.
The specific embodiment
The utility model venturi dashes the atomizing desulfurizing dust-collector from taking offence, as shown in Figure 1, comprise and connect boiler flue 1, vertical Venturi tube 2, cylindric gas mixer chamber 6, automatically impact spray chamber 3, spiral case 4, water dust scrubber 5 and time smoke pipe (showing among the figure), the outlet flue that connects boiler flue 1 connects the mouth that advances of Venturi tube 2, the diffuser 26 of Venturi tube 2 places in the cylindric gas mixer chamber 6, automatically impact spray chamber 3 and be provided with back taper working face 31, cylindric gas mixer chamber 6 and automatically impact between the spray chamber 3 be similar to the eddy flow plate by a category that is covered on back taper working face 31 tops inclination at interval the distribution of gas contact plate 32 of spiral setting separate, the outlet flue of Venturi tube 2 passes distribution of gas contact plate 32 and is stretched in the automatic impact spray chamber 3, be provided with the gas-water separation section between back taper working face 31 and the distribution of gas contact plate 32, the below of back taper working face 31 is provided with overfall.The top of cylindric gas mixer chamber 6 is provided with centrifugal outlet flue 61 along its tangential direction, be provided with the inclination distribution of gas contact plates 62 that are provided with of spiral at interval that are similar to the eddy flow plate in the cylindric gas mixer chamber 6 in the top of distribution of gas contact plate 32, be equipped with water retaining cover 63 in the top of distribution of gas contact plate 62 along the annular inner wall of cylindric gas mixer chamber 6.
Centrifugal outlet flue 61 connects spiral case 4, and spiral case 4 connects water dust scrubber 5 along its tangent line, and the outlet flue of water dust scrubber 5 connects back smoke pipe.
Two differing heights places of the inducer 24 of Venturi tube 2 are provided with a high-pressure atomization nozzle 21,22 respectively, and the throat place 25 of Venturi tube 2 is equiped with alkali lye spraynozzle 23.
The bottom of water dust scrubber 5 is provided with back taper working face 51, and back taper working face 51 belows are provided with overfall 52.
Operation principle of the present utility model is as follows:
Boiler dust-laden and SO2 flue gas enter Venturi tube 2 inducers 24 by connecing Boiler smoke tube 1 with 14-15m/s, high-pressure atomization nozzle 21 ejection high-pressure atomization water droplets break through the powder dust particle surface air film of high-speed motion, make it to become hydrocolloid particle, high-pressure atomization nozzle 22 ejection high-pressure atomization water droplets fully mix with hydrocolloid particle, collision, humidification, and dust-laden particle volume and weight all have increase by a relatively large margin.Meanwhile, water droplets also is fractured into＜the fine vaporific particle of 100 μ m simultaneously.Two kinds of grains run to Venturi tube throat 25 simultaneously, further form turbulent flow jointly with the water droplets of high-pressure atomization nozzle 23 ejection of throat again, the dust-laden particle water content state that reaches capacity, the SO in the flue dust
2Formed H by water-soluble separating
2SO
3, H
2SO
3(CaO) is combined to CaSO with buck
3Enter in the water.Larger particles part is moved vertically downward with himself weight and inertia in the dust-laden particle, also pass through Venturi tube 2 diffusers with its inertia and acceleration of gravity simultaneously than fine grained in this section with water particle formation hypersaturated state and bulky grain, enter automatic impact spray chamber 3, impact with the water seal face of automatic impact spray chamber 3 and to contact, bump impacts the back taper working face 31 of spray chamber automatically again, rise along the back taper conical surface 31, gas rises to distribution of gas contact plate 32 through the gas-water separation section, because water seal water is impacted stirring, also sticked alkali lye on the distribution of gas contact plate 32, increased the gas-liquid contact area, and the gas liquid reaction time is longer, flue dust contacts fully with buck, and grit is captured, SO
2Be neutralized, about 70% grit is separated from the gas.Gas through impacting spray chamber 3 purifications automatically gets rid of the inwall to cylindric gas mixer chamber 6 along the spiral-flow type gap of distribution of gas contact plate 32, the drop that mixes in the gas just sticks in the inwall of cylindric gas mixer chamber 6, carry out gas-water separation, distribution of gas contact plate 62 in being located at cylindric gas mixer chamber 6 gets rid of inwall from gas to cylindric gas mixer chamber 6 once more and carries out once more gas-water separation again, the water retaining cover 63 that the drop that is thrown toward the inwall of cylindric gas mixer chamber 6 is located at distribution of gas contact plate 62 tops blocks, can only be toward dirty, secondary purification gas flows out with the flow velocity of the 22-23m/s centrifugal outlet flue 63 along cylindric gas mixer chamber top, enter spiral case 4, enter water dust scrubber 5 back taper working faces 51 along spiral case 4 tangential directions, rise along 51 rotations of back taper working face, remaining grit and corrosive gas fully contact with moisture film in the flue gas, by film entrapment, the absorption back is with in the detritus tank in the flue-dust retainer discharge water film dust-remover inflow circulating water pool of water inflow water dust scrubber 5, flue gas continues purification separation in the rotation uphill process, the flue gas that goes out water dust scrubber 5 is a Purge gas up to standard.This Purge gas up to standard is guided to air-returen flue by smoke pipe, is pumped through smokestack by air-introduced machine by air-returen flue secondary dehydration back and enters atmosphere.The efficiency of dust collection of whole system reach 99.5% with, the sulfur dioxide removal rate reaches more than 90%.
Enter the H in the buck in the detritus tank
2SO
3Generate CaSO with the basic species CaO reaction that adds in the recirculated water
3, CaSO
3Sink under water with dust, the water of clarification is squeezed into each spraynozzle by water circulating pump after adding basic species CaO once more, forms all circulations.Dust of separating and CaSO
3Regularly remove to send and to be sold to the machine brick field after the drying bed mummification and to do raw material.
Claims (8)
1, venturi dashes the atomizing desulfurizing dust-collector from taking offence, comprise and connect boiler flue, vertical Venturi tube, spiral case and water dust scrubber, the outlet flue that connects boiler flue connects the mouth that advances of Venturi tube, the throat place of Venturi tube is equiped with the alkali lye spraynozzle, and spiral case tangentially connects the smoke inlet of above-mentioned water dust scrubber; It is characterized in that: also comprise a cylindric gas mixer chamber, this cylindric gas mixer chamber below is provided with and can increases the gas-liquid contact area, prolong the automatic impact spray chamber of gas liquid reaction time, the diffuser of above-mentioned Venturi tube places in the above-mentioned cylindric gas mixer chamber, and the outlet flue of above-mentioned Venturi tube is stretched in the above-mentioned automatic impact spray chamber, the outlet flue of above-mentioned automatic impact spray chamber passes to above-mentioned cylindric gas mixer chamber, the top of above-mentioned cylindric gas mixer chamber is provided with centrifugal outlet flue along its tangential direction, and this centrifugal outlet flue connects above-mentioned spiral case.
2, venturi according to claim 1 dashes the atomizing desulfurizing dust-collector from taking offence, it is characterized in that: above-mentioned automatic impact spray chamber is provided with the back taper working face, separate by the distribution of gas contact plate that is covered on one group of the above-mentioned back taper working face spiral setting at interval of tilting between above-mentioned cylindric gas mixer chamber and the above-mentioned automatic impact spray chamber, the outlet flue of above-mentioned Venturi tube passes this distribution of gas contact plate and is stretched in the automatic impact spray chamber, and the below of above-mentioned back taper working face is provided with overfall.
3, venturi according to claim 2 dashes the atomizing desulfurizing dust-collector from taking offence, and it is characterized in that: leave the gas-water separation section between above-mentioned back taper working face and the above-mentioned gas distribution contact plate.
4, venturi according to claim 2 is characterized in that from taking offence towards the atomizing desulfurizing dust-collector: interior another group inclination distribution of gas contact plate of spiral setting at interval that also is provided with in above-mentioned gas distribution contact plate top of above-mentioned cylindric gas mixer chamber.
5, venturi according to claim 4 dashes the atomizing desulfurizing dust-collector from taking offence, and it is characterized in that: the annular inner wall along above-mentioned cylindric gas mixer chamber is equipped with water retaining cover in the top of the distribution of gas contact plate of spiral setting at interval in above-mentioned another group inclination.
6, venturi according to claim 1 dashes the atomizing desulfurizing dust-collector from taking offence, and it is characterized in that: the inducer of above-mentioned Venturi tube is provided with the high-pressure atomization nozzle.
7, venturi according to claim 6 dashes the atomizing desulfurizing dust-collector from taking offence, and it is characterized in that: above-mentioned high-pressure atomization nozzle has two, is divided into two differing heights places of the inducer of above-mentioned Venturi tube.
8, venturi according to claim 1 dashes the atomizing desulfurizing dust-collector from taking offence, and it is characterized in that: the bottom of above-mentioned water dust scrubber is provided with the back taper working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054378 CN2751868Y (en) | 2004-12-10 | 2004-12-10 | Venturi automatic air impingement atomization desulfurizing dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054378 CN2751868Y (en) | 2004-12-10 | 2004-12-10 | Venturi automatic air impingement atomization desulfurizing dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751868Y true CN2751868Y (en) | 2006-01-18 |
Family
ID=35913284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420054378 Expired - Lifetime CN2751868Y (en) | 2004-12-10 | 2004-12-10 | Venturi automatic air impingement atomization desulfurizing dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2751868Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028068A (en) * | 2014-03-10 | 2014-09-10 | 江苏宝丽环保科技有限公司 | A multistage deduster |
| CN108211673A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence gas washing sterilizer |
| US11000618B2 (en) | 2018-03-29 | 2021-05-11 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11123757B2 (en) | 2018-03-29 | 2021-09-21 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11213602B2 (en) | 2018-03-29 | 2022-01-04 | Puzhen Life Co., Limited | Multi-oil diffuser |
| US11224674B2 (en) | 2018-03-29 | 2022-01-18 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11511294B2 (en) | 2018-11-02 | 2022-11-29 | Puzhen Life Co., Limited | Essential oil atomizer |
-
2004
- 2004-12-10 CN CN 200420054378 patent/CN2751868Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028068A (en) * | 2014-03-10 | 2014-09-10 | 江苏宝丽环保科技有限公司 | A multistage deduster |
| CN108211673A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence gas washing sterilizer |
| US11000618B2 (en) | 2018-03-29 | 2021-05-11 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11123757B2 (en) | 2018-03-29 | 2021-09-21 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11213602B2 (en) | 2018-03-29 | 2022-01-04 | Puzhen Life Co., Limited | Multi-oil diffuser |
| US11224674B2 (en) | 2018-03-29 | 2022-01-18 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11752230B2 (en) | 2018-03-29 | 2023-09-12 | Puzhen Life Co., Limited | Essential oil atomizer |
| US11511294B2 (en) | 2018-11-02 | 2022-11-29 | Puzhen Life Co., Limited | Essential oil atomizer |
| US12053792B2 (en) | 2018-11-02 | 2024-08-06 | Puzhen Life Co., Limited | Essential oil atomizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141210 Granted publication date: 20060118 |