CN203253334U - Exhaust gas purifying system in rubber processing field - Google Patents
Exhaust gas purifying system in rubber processing field Download PDFInfo
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- CN203253334U CN203253334U CN 201320217611 CN201320217611U CN203253334U CN 203253334 U CN203253334 U CN 203253334U CN 201320217611 CN201320217611 CN 201320217611 CN 201320217611 U CN201320217611 U CN 201320217611U CN 203253334 U CN203253334 U CN 203253334U
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- desulfurizing
- waste gas
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Abstract
The utility model discloses an exhaust gas purifying system in the rubber processing field. The exhaust gas purifying system comprises a plurality of wind-collecting covers, an assistant recovery tower, a desulfuration purifying tower, an induced draft fan, an active carbon filter or ultraviolet light catalytic oxidation exhaust gas purifying equipment, an oxyhydrogen flame burner and a processing liquid circulating device, wherein the plurality of wind-collecting covers are respectively arranged above each station; the assistant recovery tower is communicated with the wind-collecting covers through intake pipes; the desulfuration purifying tower is communicated with an exhaust port of the assistant recovery tower; the induced draft fan is communicated with the exhaust port of the desulfuration purifying tower for compelling air to enter the wind-collecting covers and finally discharge out of a room; the active carbon filter or the ultraviolet light catalytic oxidation exhaust gas purifying equipment is arranged between the desulfuration purifying tower and the induced draft fan in series; the oxyhydrogen flame burner is arranged at the exhaust port of the induced draft fan; the processing liquid circulating device is used for providing processing liquid to the desulfuration purifying tower. By adopting the exhaust gas purifying system in the rubber processing field, a high-temperature exhaust gas is firstly cooled and depressurized, so that particles and liquid drops mixed in the exhaust gas are gradually separated out from the exhaust gas and accumulated in the collecting covers; the recovery rate of the assistant can be up to 70%.
Description
Technical field
The utility model relates to the rubber processing technical field, particularly relates to a kind of waste gas cleaning system of rubber processing.
Background technology
In present machinery production, regeneration process such as butyl rubber, can produce the high temperature poisonous fume that is mingled with in a large number various impurity, before will being arranged, toxic emission just need to carry out purified treatment, existing cleaning equipment generally is by the desulfurizing and purifying tower, utilize treatment fluid or biological treatment liquid to carry out the resolution process of harmful substance, still simple purifying column can not be realized all eliminating harmful components, nor is beneficial to composition recycling in the toxic gas.
Existing purifying column generally adopts spiral board simultaneously, but traditional plane formula spiral board is because resistance is large, easily obstruction, higher when the void tower flow velocity, blade quantity is less or tower height degree when inadequate, occur easily that desulfuration efficiency is low, behind the spray humidity of flue gas large and process after tail gas with a large amount of problems such as water smoke.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in the prior art, and provide a kind of can Effective Raise in the waste gas material reclaim and improve the waste gas cleaning system of the rubber processing of clean-up effect.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of waste gas cleaning system of rubber processing, comprise a plurality of wind-collecting covers that are separately positioned on each station top, the auxiliary agent recovery tower that is communicated with through air inlet pipe with described wind-collecting cover, the desulfurizing and purifying tower that is communicated with described auxiliary agent recovery tower exhaust outlet, be communicated with for forcing air to enter wind-collecting cover and the outdoor air-introduced machine of final discharge with described desulfurizing and purifying tower exhaust outlet, series connection is arranged on activated carbon filtration tower or the ultraviolet catalytic oxidation off-gas cleaning equipment between desulfurizing and purifying tower and the air-introduced machine, be arranged on the Hydrogen-oxygen flame burner at air-introduced machine exhaust outlet place, and the treatment fluid EGR that is used for providing treatment fluid to the desulfurizing and purifying tower.
Described auxiliary agent recovery tower comprises the cylindrical shape body of the tower of vertical setting, be fixedly installed on respectively upper spacer and the lower clapboard of body of the tower internal upper part and bottom, be fixedly installed on the air induction mast that body of the tower axial centre and upper open end are communicated with air inlet pipe with connecting described upper spacer and lower clapboard, be distributed between air induction mast and the body of the tower and connect a plurality of aiutages of described upper lower clapboard, described aiutage upper shed is connected to the desulfurizing and purifying tower jointly, be formed with the back taper collecting hood in described body of the tower bottom, described collecting hood bottom is formed with recovery holes, also be provided with cooling mechanism between described upper lower clapboard, described cooling mechanism comprises the water inlet that is arranged on the body of the tower and discharge outlet and water circulation parts so that water enters between lower clapboard lowers the temperature.
Be provided with screw rod in the described aiutage, described screw rod comprises center-pole and the helical blade that is fixedly installed on the center-pole, described helical blade outer rim contacts with the aiutage inwall, the center-pole upper end of described helix tube collude be held in hanger bracket that tower body is fixedly connected with on.
The area of section of described air induction mast is 1.1-1.3 times of air inlet pipe sectional area, and the 1.5-1.6 that described each aiutage sectional area sum is the air inlet pipe sectional area doubly.
Described desulfurizing and purifying tower comprises the cylindrical shape body of the tower, is successively set on the demist plate of body of the tower inside, at least one deck polyhedron empty ball, spray head and organize spiral board more at interval in the upper and lower, described spiral board comprises upper retainer ring, the bottom plate that is fixedly connected with body of the tower, and two ends are fixedly connected with and consist of respectively a plurality of blades of back taper with bottom plate with upper retainer ring, and each blade all keeps angle with bus and keeps predetermined flip angle.
The back taper footing that described a plurality of blade consists of is at 40-45 °.
The bus angle of described blade central shaft and back taper is at the 15-18 degree, and the angle of plane, described blade place and the conical surface is at the 20-30 degree.
Described desulfurizing and purifying tower comprises 2-4 group spiral board, and the lower spiral board of every group of spiral board comprises 22-25 blade.
Described treatment fluid EGR comprises to be processed flow container, be communicated with the feed tube of processing flow container and desulfurizing and purifying tower behind circulating pump, be communicated with bottom the desulfurizing tower and the liquid back pipe of processing flow container, be arranged on the pH value sensor of processing on the flow container, and being communicated to the concentrated flow container of processing flow container through make-up pump, described make-up pump is connected to start with pH value sensor signal or stops to inject concentrate in process tank.
Compared with prior art, the beneficial effects of the utility model are:
The waste gas cleaning system of rubber processing of the present utility model at first can progressively separate and accumulate in the collecting hood particle and the drop that are mixed in the waste gas waste gas decrease temperature and pressure of high temperature from waste gas, its recovery of material that final realization accumulates in the collecting hood can utilize again, for rubber processing enterprise, the auxiliary agent rate of recovery can be up to 70%, Cost reduction also reduces difficulty for subsequent treatment simultaneously.
Adopt simultaneously many group spiral board structures, improve treatment fluid and contact with waste gas, guarantee the tail gas desulfurized effect, addition processing liquid automatic monitoring device detects the pH value and changes automatically additional treatment fluid simultaneously, effectively prolongs running time, improve overall intelligence, also guarantee the even running that desulfurization is processed.
Description of drawings
Figure 1 shows that the waste gas cleaning system structural representation of rubber processing of the present utility model;
Figure 2 shows that auxiliary agent recovery tower cross section structure schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, the waste gas cleaning system of rubber processing of the present utility model comprises a plurality of wind-collecting covers 1 that are separately positioned on each station top, the auxiliary agent recovery tower 2 that is communicated with through air inlet pipe 10 with described wind-collecting cover 1, the desulfurizing and purifying tower 3 that is communicated with described auxiliary agent recovery tower exhaust outlet, be communicated with for forcing air to enter wind-collecting cover and the outdoor air-introduced machine 5 of final discharge with described desulfurizing and purifying tower 3 top vent, series connection is arranged on activated carbon filtration tower or the ultraviolet catalytic oxidation off-gas cleaning equipment 6 between desulfurizing and purifying tower and the air-introduced machine, be arranged on the Hydrogen-oxygen flame burner 7 at air-introduced machine exhaust outlet place, and the treatment fluid EGR 4 that is used for providing treatment fluid to the desulfurizing and purifying tower.Described activated carbon filtration tower or ultraviolet catalytic oxidation off-gas cleaning equipment can filter or decompose the harmful components in the waste gas, simultaneously can be the most all remaining of the Hydrogen-oxygen flame burner of afterbody thoroughly eliminated, realize the zero-emission of toxic gas, improve environmental-protecting performance.
Wherein, described auxiliary agent recovery tower comprises the cylindrical shape body of the tower 21 of vertical setting, be fixedly installed on respectively upper spacer 22 and the lower clapboard 23 of body of the tower internal upper part and bottom, connect described upper spacer 22 and lower clapboard 23 ground and be fixedly installed on the air induction mast 24 that body of the tower axial centre and upper open end are communicated with air inlet pipe, be distributed between air induction mast 24 and the body of the tower and connect a plurality of aiutages 25 of described upper lower clapboard, described aiutage 25 upper sheds are connected to desulfurizing and purifying tower 3 by the road jointly, be formed with back taper collecting hood 26 in described body of the tower bottom, described collecting hood bottom is formed with recovery holes.
Wherein, the area of section of described air induction mast is 1.1-1.3 times of air inlet pipe sectional area, and the 1.5-1.6 that described each aiutage sectional area sum is the air inlet pipe sectional area doubly.Simultaneously, also be provided with cooling mechanism between described upper lower clapboard, described cooling mechanism comprises the water inlet that is arranged on the body of the tower and discharge outlet and water circulation parts so that water enters between lower clapboard lowers the temperature.Specifically, described water inlet is positioned at the lower clapboard upside, and described delivery port is positioned at the upper spacer downside to improve cooling water at remaining time and the heat exchange effect of tower body.
For further slowing down the gas flow rate in the aiutage, strengthening heat transfer effect impels drop, dust in the waste gas separated from the gas, be respectively arranged with screw rod 29 in the described aiutage, described screw rod 29 comprises center-pole and the helical blade that is fixedly installed on the center-pole, and described helical blade outer rim contacts with the aiutage inwall.Gas helical orbit design when discharging has improved the dust separation effect, has also strengthened the liquid cooling effect simultaneously, can effectively reduce the temperature of waste gas, realizes that liquefaction and the separation of part composition separated out.For ease of screw rod is dismantled, the center-pole upper end of described helix tube is colluded and is held on the hanger bracket 27 that is fixedly connected with tower body simultaneously.By can realizing its installation or separate then with its extraction in scratching part position, top, it is cleaned or safeguards.
The waste gas of high temperature enters behind the air induction mast because the relative gas transport air inlet pipe of caliber becomes large, simultaneously by cooling mechanism so that EGT descend, the flowing velocity of waste gas in air induction mast diminishes, the material of part gaseous state can liquefy, the particle and the drop that are mixed in simultaneously in the waste gas can progressively be separated from waste gas and accumulate in the collecting hood, on the other hand waste gas in the process that the aiutage inside spin rises particle and drop can be further in waste gas segregation and going out, prepare for rubber, the material that accumulates in the collecting hood nearly all is the auxiliary agent that adds, its recovery can be utilized again, Cost reduction also reduces difficulty for subsequent treatment simultaneously.
Described desulfurizing and purifying tower comprises cylindrical shape body of the tower 32, is successively set on demist plate 33, two-layer polyhedron empty ball 34, spray head 35 and 3 groups of spiral boards 36 of body of the tower inside at interval in the upper and lower, and described spray head 34 is communicated with that with the feed tube of processing flow container treatment fluid is injected on the spiral board 36.Described spiral board 36 comprises the upper retainer ring that is fixedly connected with body of the tower, with described upper retainer ring thereunder bottom plate is set coaxially, and two ends are fixedly connected with and consist of respectively a plurality of blades of back taper with bottom plate with upper retainer ring, and described each blade all keeps angle with bus and keeps predetermined flip angle.
Specifically, the longitudinal center line of described a plurality of blades consists of a back taper, and the footing of described back taper is at 40-45 °, and namely the direction of the oblique downward-extension of blade and horizontal plane angle are at the 40-45 degree.Described blade central shaft not along generatrix direction but with its maintenance angle, the bus angle of the back taper that described blade central shaft is corresponding with it is at the 15-18 degree, simultaneously plane, described blade place is not to be positioned at the tangent direction of the conical surface of back taper but to intersect with its maintenance, the angle of described blade and corresponding bus is at the 20-30 degree, and namely the width dual-side of blade is high low on one side on one side.
When spray head spray and under treatment fluid fall behind the spiral board of upper topmost, because blade itself tilts and keeps certain flip angle, flow out from the low side edge of blade when this just causes treatment fluid to flow along blade under Action of Gravity Field from top to bottom and form cascade, become a rotary waterfall through the treatment fluid behind the spiral board, three grades of rotary waterfalls so that air from bottom to top extensively contact with drop in the waterfall, a large amount of drops have increased contact area, realize the effect of atomizing washing, improved handling property.
Discharge for avoiding too much moisture to be clipped in the gas, also be provided with 2 layers of polyhedron empty ball and demist plate above described spray head, polyhedron empty ball is because surface area is large; Mass-transfer efficiency is high, the space is large between the ball clack of product and the ball clack, and lightweight, intensity is large, (indeformable in 140 ℃ environment) easy for installation, high temperature resistant, so it is used widely in the industries such as waste gas purification, desulfurization, carbon dioxide removal gas, wastewater treatment.
Simultaneously, for ease of observing desulfurizing and purifying tower inner case, be provided with sight glass at described desulfurizing and purifying tower bottom, can observe the liquid level situation that temporarily is stored in body of the tower inside by sight glass, if the treatment fluid upper surface has retained Residual oil, then carry out manual drain by the draining valve that is arranged on sight glass one side, to guarantee the smooth and easy of overall operation.
Described treatment fluid EGR 4 comprises the feed tube of processing flow container 41, be communicated to desulfurizing and purifying tower inside behind circulating pump, the liquid back pipe that is communicated with desulfurizing tower bottom and processing flow container, and be arranged on the pH value sensor 42 of processing flow container, be communicated to the concentrated flow container 43 of processing flow container through make-up pump, described make-up pump can or stop to inject concentrate in process tank by the startup of pH value sensor signal.Be that feed tube is introduced the desulfurizing and purifying tower with treatment fluid, setting up simultaneously pH detects, because general described treatment fluid is alkaline solution, by hydrogen sulfide and the sulfur dioxide in the chemical reaction removal waste gas, the pH value descends in the treatment fluid along with reaction is carried out causing, when the pH value drops to a certain degree in pH value sensor senses the processing flow container, such as pH less than 13, it can send signal makes its work replenish strong base solution with certainly concentrated flow container to processing flow container to replenishment pump, guarantee normally carrying out of chemical reaction, improve the stability of desulfurized effect, wherein replenishing of strong base solution can be adopted liquid level control, the various ways such as time control or the control of pH value.Certainly can also in concentrated flow container, arrange and carry out automatic alarm when liquid level sensor hangs down to cross in liquid level.
The above only is preferred embodiment of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. the waste gas cleaning system of a rubber processing, it is characterized in that, comprise a plurality of wind-collecting covers that are separately positioned on each station top, the auxiliary agent recovery tower that is communicated with through air inlet pipe with described wind-collecting cover, the desulfurizing and purifying tower that is communicated with described auxiliary agent recovery tower exhaust outlet, be communicated with for forcing air to enter wind-collecting cover and the outdoor air-introduced machine of final discharge with described desulfurizing and purifying tower exhaust outlet, series connection is arranged on activated carbon filtration tower or the ultraviolet catalytic oxidation off-gas cleaning equipment between desulfurizing and purifying tower and the air-introduced machine, be arranged on the Hydrogen-oxygen flame burner at air-introduced machine exhaust outlet place, and the treatment fluid EGR that is used for providing treatment fluid to the desulfurizing and purifying tower.
2. the waste gas cleaning system of rubber processing as claimed in claim 1, it is characterized in that, described auxiliary agent recovery tower comprises the cylindrical shape body of the tower of vertical setting, be fixedly installed on respectively upper spacer and the lower clapboard of body of the tower internal upper part and bottom, be fixedly installed on the air induction mast that body of the tower axial centre and upper open end are communicated with air inlet pipe with connecting described upper spacer and lower clapboard, be distributed between air induction mast and the body of the tower and connect a plurality of aiutages of described upper spacer and lower clapboard, described aiutage upper shed is connected to the desulfurizing and purifying tower jointly, be formed with the back taper collecting hood in described body of the tower bottom, described collecting hood bottom is formed with recovery holes, also be provided with cooling mechanism between described upper lower clapboard, described cooling mechanism comprises the water inlet that is arranged on the body of the tower and discharge outlet and water circulation parts so that water enters between upper spacer and lower clapboard lowers the temperature.
3. the waste gas cleaning system of rubber processing as claimed in claim 2, it is characterized in that, be provided with screw rod in the described aiutage, described screw rod comprises center-pole and the helical blade that is fixedly installed on the center-pole, described helical blade outer rim contacts with the aiutage inwall, the center-pole upper end of described helix tube collude be held in hanger bracket that tower body is fixedly connected with on.
4. the waste gas cleaning system of rubber processing as claimed in claim 2 is characterized in that, the area of section of described air induction mast is 1.1-1.3 times of air inlet pipe sectional area, and the 1.5-1.6 that described each aiutage sectional area sum is the air inlet pipe sectional area doubly.
5. such as the waste gas cleaning system of each described rubber processing of claim 1-4, it is characterized in that, described desulfurizing and purifying tower comprises the cylindrical shape body of the tower, is successively set on the demist plate of body of the tower inside, at least one deck polyhedron empty ball, spray head and organize spiral board more at interval in the upper and lower, described spiral board comprises upper retainer ring, the bottom plate that is fixedly connected with body of the tower, and two ends are fixedly connected with and consist of respectively a plurality of blades of back taper with bottom plate with upper retainer ring, and each blade all keeps angle with bus and keeps predetermined flip angle.
6. the waste gas cleaning system of rubber processing as claimed in claim 5 is characterized in that, the back taper footing that described a plurality of blades consist of is at 40-45 °.
7. the waste gas cleaning system of rubber processing as claimed in claim 5 is characterized in that, the bus angle of described blade central shaft and back taper is at the 15-18 degree, and the angle of plane, described blade place and the conical surface is at the 20-30 degree.
8. the waste gas cleaning system of rubber processing as claimed in claim 5 is characterized in that, described desulfurizing and purifying tower comprises 2-4 group spiral board, and the lower spiral board of every group of spiral board comprises 22-25 blade.
9. such as the sharp waste gas cleaning system that requires 5 described rubber processings, it is characterized in that, described treatment fluid EGR comprises to be processed flow container, be communicated with the feed tube of processing flow container and desulfurizing and purifying tower behind circulating pump, be communicated with bottom the desulfurizing tower and the liquid back pipe of processing flow container, be arranged on the pH value sensor of processing on the flow container, and being communicated to the concentrated flow container of processing flow container through make-up pump, described make-up pump is connected to start with pH value sensor signal or stops to inject concentrate in process tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217611 CN203253334U (en) | 2013-04-26 | 2013-04-26 | Exhaust gas purifying system in rubber processing field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217611 CN203253334U (en) | 2013-04-26 | 2013-04-26 | Exhaust gas purifying system in rubber processing field |
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| CN203253334U true CN203253334U (en) | 2013-10-30 |
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| CN 201320217611 Expired - Fee Related CN203253334U (en) | 2013-04-26 | 2013-04-26 | Exhaust gas purifying system in rubber processing field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230729A (en) * | 2013-04-26 | 2013-08-07 | 天津东榛橡胶有限公司 | Waste gas purification system in rubber processing field |
| CN104606916A (en) * | 2015-02-11 | 2015-05-13 | 朝阳华兴万达轮胎有限公司 | Reclaimed rubber flue gas purifier |
| CN105275542A (en) * | 2015-12-04 | 2016-01-27 | 广西玉柴机器股份有限公司 | Engine respirator |
| CN108339395A (en) * | 2018-03-02 | 2018-07-31 | 广州紫科环保科技股份有限公司 | A kind of integral flat vulcanization emission-control equipment and method |
-
2013
- 2013-04-26 CN CN 201320217611 patent/CN203253334U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230729A (en) * | 2013-04-26 | 2013-08-07 | 天津东榛橡胶有限公司 | Waste gas purification system in rubber processing field |
| CN104606916A (en) * | 2015-02-11 | 2015-05-13 | 朝阳华兴万达轮胎有限公司 | Reclaimed rubber flue gas purifier |
| CN104606916B (en) * | 2015-02-11 | 2015-12-02 | 朝阳华兴万达轮胎有限公司 | A kind of reclaimed rubber smoke eliminator |
| CN105275542A (en) * | 2015-12-04 | 2016-01-27 | 广西玉柴机器股份有限公司 | Engine respirator |
| CN105275542B (en) * | 2015-12-04 | 2019-01-11 | 广西玉柴机器股份有限公司 | Rebreather of engine |
| CN108339395A (en) * | 2018-03-02 | 2018-07-31 | 广州紫科环保科技股份有限公司 | A kind of integral flat vulcanization emission-control equipment and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20180426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |