CN204121960U - Reclaimed rubber desulfidation tail gas purifier - Google Patents
Reclaimed rubber desulfidation tail gas purifier Download PDFInfo
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- CN204121960U CN204121960U CN201420550405.8U CN201420550405U CN204121960U CN 204121960 U CN204121960 U CN 204121960U CN 201420550405 U CN201420550405 U CN 201420550405U CN 204121960 U CN204121960 U CN 204121960U
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- heat exchanger
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- digester
- pipeline
- exhaust outlet
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Abstract
The utility model discloses a kind of reclaimed rubber desulfidation tail gas purifier, comprise digester blast pipe to be connected with degreasing unit, degreasing unit comprises casing, honeycomb oil strain pellet is radially provided with in casing, the sidewall of the casing below honeycomb oil strain pellet is provided with air inlet, and air inlet is connected with blast pipe, and the top of casing is provided with gas vent, the bottom of casing is provided with oil-out, and oil-out is provided with delivery valve; Gas vent is connected with the hot side-entrance of heat exchanger by pipeline, and the cold side outlet port of heat exchanger is connected with gas wash tower, and the cold side import of heat exchanger is connected with vegetable oil storage barrel, and the hot side outlet of heat exchanger is connected with the charging aperture of digester by pipeline; Gas wash tower is connected by the air inlet of pipeline with lye tank (vat) bottom, and the top of lye tank (vat) is provided with exhaust outlet, and exhaust outlet is provided with aiutage.Pipeline, the waste heat made full use of in tail gas that this device can be avoided the blockings such as greasy dirt and pollute below, economize energy.Structure is simple, and cost is low.
Description
Technical field
The utility model relates to a kind of exhaust gas cleaner, particularly a kind of reclaimed rubber desulfidation tail gas purifier.
Background technology
Reclaimed rubber is by the physical desulfurization (namely decompose, pulverize) to waste rubber goodses such as tires and chemical desulfurization (the softening and activation under high temperature, high pressure), large molecular network cross-linked structure in rubber is destroyed the small molecule structure for strand, makes it become can process viscoelastic body from elastomer.
Traditional reclaimed rubber develops into high-temperature dynamic desulfurization, normal temperature machine doctor treatment and infrared ray doctor treatment after producing and have passed water law, oil process, water/oil method now, the most frequently used still high-temperature dynamic desulfurization, its softening agent used common are coal tar, pine tar, coal tar pitch etc.Containing the microscale harmful substance such as pernicious gas and the benzene,toluene,xylene element such as moisture content, a small amount of rubber powder granule, hydrogen sulfide, sulfur dioxide that composition is higher in the desulfidation tail gas of this sulfur method, if purified treatment will not cause serious environmental pollution, and comparative maturity also studied to obtain by the treating apparatus of tail gas so at present.
But face problem of environmental pollution, my company works out the tasteless reclaimed rubber sulfur method of environmental protection, in the method chemical desulfurization operation, adds tyre surface rubber powder, environmental protection activator, vegetable oil softening agent and water; Wherein environmental protection activator by persulfate and aliphatic acid formulated; Described vegetable oil softening agent is made up of cottonseed oil, rosin, pine tar, rapeseed oil, waste oil, olive oil.
This kind of sulfur method environmental protection, absolutely not containing benezene material, in tail gas, main component is the pernicious gases such as water, rubber powder, vegetable oil, hydrogen sulfide, sulfur dioxide, and the method for existing vent gas treatment has no longer been applicable to the vent gas treatment of the environment-friendly tasteless reclaimed rubber sulfur method of my department.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of reclaimed rubber desulfidation tail gas purifier.
To achieve these goals, the technical solution of the utility model is: a kind of reclaimed rubber desulfidation tail gas purifier, comprise digester, described digester upper end is provided with exhaust outlet, this exhaust outlet is connected with blast pipe, it is characterized in that: described blast pipe is connected with degreasing unit, described degreasing unit comprises casing, honeycomb oil strain pellet is radially provided with in casing, the sidewall of the casing below described honeycomb oil strain pellet is provided with air inlet, described air inlet is connected with blast pipe, the top of described casing is provided with gas vent, the bottom of described casing is provided with oil-out, described oil-out is provided with delivery valve,
Described gas vent is connected with the hot side-entrance of heat exchanger by pipeline, the cold side outlet port of described heat exchanger is connected with gas wash tower, the cold side import of described heat exchanger is connected with vegetable oil storage barrel, and the hot side outlet of described heat exchanger is connected with the charging aperture of digester by pipeline; Described gas wash tower is connected by the air inlet of pipeline with lye tank (vat) bottom, and the top of described lye tank (vat) is provided with exhaust outlet, and described exhaust outlet is provided with aiutage.
Adopt such scheme, emission is first through degreasing unit, under the effect of honeycomb oil strain pellet, vegetable oil is wherein removed, and then through heat exchanger, utilize the heat of tail gas that vegetable oil (desulfurization material) is carried out preheating, the vegetable oil after preheating enters lye tank (vat), sodium carbonate liquor in sulfur dioxide and hydrogen sulfide and lye tank (vat) fully reacts, and discharges after getting rid of hydrogen sulfide and sulfur dioxide.
In technique scheme: described casing is made up of top cylindrical section and lower tapered portion.Vegetable oil is facilitated to release like this.
In technique scheme: described heat exchanger is two, two heat exchanger series connection, wherein vegetable oil is entered in the cold side import of First heat exchanger, and condensed water is entered in the cold side import of second fetus heat exchanger.Can recycle the waste heat of tail gas so more fully, the vegetable oil after preheating is used for reaction in digester, and heat can be used for other places by the water after heating, economize energy.
In technique scheme: described lye tank (vat) is also provided with alkali lye import and alkali lye outlet.
In technique scheme: described digester is two or more, each digester upper end is provided with exhaust outlet, the exhaust outlet of each digester is provided with pipeline, and the pipeline on the exhaust outlet of each digester is respectively communicated with supervisor by a by-pass valve control, and described supervisor is communicated with blast pipe by valve.The tail gas of digester first pours in next digester, and pressure in next digester is promoted rapidly, when emission after pressure balance.Can steam be saved like this, reduce energy consumption, reduce production cost.
The beneficial effects of the utility model are: the tasteless reclaimed rubber desulfurizing and purifying method design that the utility model takes charge of research and development according to me goes out suitable exhaust gas cleaner, first this device reclaims vegetable oil, the pipeline can avoided the blockings such as greasy dirt like this and pollute below, is not easy to cleaning.Then this device fully reclaims the waste heat in tail gas, reaches and saves the object of the energy, and eventually pass qualified discharge after lye tank (vat) desulfurization, apparatus structure is simple, and cost is low.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
As shown in Figure 1: reclaimed rubber desulfidation tail gas purifier of the present utility model is made up of parts such as digester 1, blast pipe 2, degreasing unit, heat exchanger 4, gas wash tower 5, lye tank (vat) 6, aiutage 7, by-pass valve control 8, valves 9.
Digester 1 is at least two, the present embodiment selects 3 digesters 1 to be arranged in parallel, each digester 1 upper end is provided with exhaust outlet, the exhaust outlet of each digester 1 is provided with pipeline A, pipeline A on the exhaust outlet of each digester 1 is respectively communicated with supervisor B by a by-pass valve control 8, and supervisor B is communicated with blast pipe 2 by valve 9.Blast pipe 2 is connected with degreasing unit, and degreasing unit comprises casing 31, and casing 31 is made up of top cylindrical section and lower tapered portion.Honeycomb oil strain pellet 32 is radially provided with in the cylindrical section of casing 31 top, the sidewall of the casing 31 below honeycomb oil strain pellet 32 is provided with air inlet 33, air inlet 33 is connected with blast pipe 2, the top of casing 31 is provided with gas vent 34, the bottom of casing 31 is provided with oil-out 35, and oil-out 35 is provided with delivery valve 36.
Gas vent 34 is connected with the hot side-entrance of First heat exchanger 4 by pipeline, the cold side outlet port of First heat exchanger 4 out be the tail gas of part cooling, and be connected with the hot side-entrance of second heat exchanger 4, the cold side import of First heat exchanger 4 is connected with vegetable oil storage barrel, the hot side outlet of First heat exchanger 4 goes out the vegetable oil after preheating, and be connected by the charging aperture of pipeline with digester 1, enter in digester 1 and participate in reaction.The cold side outlet port of second heat exchanger 4 is connected with spray column, and the cold side import water inlet of second fetus heat exchanger 4, hot side outlet goes out hot water.
Be provided with at least three grades of dust-collecting nets 51 in gas wash tower 5, select level Four dust-collecting net 51 here.The bottom of described gas wash tower 5 is provided with air inlet, top is provided with gas outlet, gas outlet is communicated with by the air inlet of pipeline with lye tank (vat) 6, lye tank (vat) 6 comprises sealing cell body, air inlet is positioned at the bottom of cell body, is provided with alkali lye import 61 on the top of cell body, and bottom is provided with alkali lye outlet 62, described lye tank (vat) 6 is built with sodium carbonate liquor, and the gas outlet, top of described lye tank (vat) 6 is provided with aiutage 7.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (5)
1. a reclaimed rubber desulfidation tail gas purifier, comprise digester (1), described digester (1) upper end is provided with exhaust outlet, this exhaust outlet is connected with blast pipe (2), it is characterized in that: described blast pipe (2) is connected with degreasing unit, described degreasing unit comprises casing (31), honeycomb oil strain pellet (32) is radially provided with in casing (31), the sidewall of the casing (31) of described honeycomb oil strain pellet (32) below is provided with air inlet (33), described air inlet (33) is connected with blast pipe (2), the top of described casing (31) is provided with gas vent (34), the bottom of described casing (31) is provided with oil-out (35), described oil-out (35) is provided with delivery valve (36),
Described gas vent (34) is connected by the hot side-entrance of pipeline with heat exchanger (4), the cold side outlet port of described heat exchanger (4) is connected with gas wash tower (5), the cold side import of described heat exchanger (4) is connected with vegetable oil storage barrel, and the hot side outlet of described heat exchanger (4) is connected by the charging aperture of pipeline with digester (1); Described gas wash tower (5) is connected by the air inlet of pipeline with lye tank (vat) (6) bottom, and the top of described lye tank (vat) (6) is provided with exhaust outlet, and described exhaust outlet is provided with aiutage (7).
2. reclaimed rubber desulfidation tail gas purifier according to claim 1, is characterized in that: described casing (31) is made up of top cylindrical section and lower tapered portion.
3. reclaimed rubber desulfidation tail gas purifier according to claim 1, it is characterized in that: described heat exchanger (4) is two, two heat exchanger (4) series connection, wherein vegetable oil is entered in the cold side import of First heat exchanger (4), and condensed water is entered in the cold side import of second fetus heat exchanger (4).
4. reclaimed rubber desulfidation tail gas purifier according to claim 1, is characterized in that: described lye tank (vat) (6) is also provided with alkali lye import (61) and alkali lye outlet (62).
5. reclaimed rubber desulfidation tail gas purifier according to claim 1, it is characterized in that: described digester (1) is two or more, each digester (1) upper end is provided with exhaust outlet, the exhaust outlet of each digester (1) is provided with pipeline (A), pipeline (A) on the exhaust outlet of each digester (1) is respectively communicated with supervisor (B) by a by-pass valve control (8), and described supervisor (B) is communicated with blast pipe (2) by valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550405.8U CN204121960U (en) | 2014-09-24 | 2014-09-24 | Reclaimed rubber desulfidation tail gas purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550405.8U CN204121960U (en) | 2014-09-24 | 2014-09-24 | Reclaimed rubber desulfidation tail gas purifier |
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| Publication Number | Publication Date |
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| CN204121960U true CN204121960U (en) | 2015-01-28 |
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| CN201420550405.8U Active CN204121960U (en) | 2014-09-24 | 2014-09-24 | Reclaimed rubber desulfidation tail gas purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289092A (en) * | 2014-09-24 | 2015-01-21 | 重庆市聚益橡胶制品有限公司 | Reclaimed rubber desulfurized tail gas purification device |
-
2014
- 2014-09-24 CN CN201420550405.8U patent/CN204121960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289092A (en) * | 2014-09-24 | 2015-01-21 | 重庆市聚益橡胶制品有限公司 | Reclaimed rubber desulfurized tail gas purification device |
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