CN101721890B - Tail gas collection system for tar and crude benzene - Google Patents
Tail gas collection system for tar and crude benzene Download PDFInfo
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- CN101721890B CN101721890B CN 200910265721 CN200910265721A CN101721890B CN 101721890 B CN101721890 B CN 101721890B CN 200910265721 CN200910265721 CN 200910265721 CN 200910265721 A CN200910265721 A CN 200910265721A CN 101721890 B CN101721890 B CN 101721890B
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- venturi tube
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Abstract
The invention discloses a tail gas collection system for tar and crude benzene, which comprises a tail gas collection pipe (5) and a purifier (1). The tail gas collection system is provided with a spray tank (2), a spray pump (3) and a venturi tube (4); the tail gas collection pipe (5) and the venturi tube (4) are communicated with the spray tank (2); and the spray pump (3) is connected with the venturi tube (4). The system utilizes the characteristics that a fluid is jetted in the venturi tube to produce negative pressure and a compatibility and similitude principle of liquid and gas absorption to introduce gas produced by the tar and the crude benzene into the venturi tube for absorption purification to realize automatic and quick tail gas absorption, ensures that the peculiar smell produced by loading is reduced, has simple and practical operation, reduces the labor intensity of workers, improves field operation environment, and improves the safety at the same time, thereby achieving the aims of effectively controlling tail gas produced by volatile liquid during the loading and reducing the pollution to the environment and the harm to human bodies.
Description
Technical field
The invention belongs to the technical field of metallurgy, chemical engineering industry production equipment, relate to exhaust gas treatment technology, more particularly, the present invention relates to a kind of tar of oil depot, the entrucking tail gas collection system of crude benzol.
Background technology
Traditional tail gas recycle purifier is to produce power by blower fan suction, carry out washing absorption by washer with relevant cleaning solution again after tail gas after purifying, efflux.There are large, dangerous large, the shortcomings such as capital cost is high, fault rate is high, equipment easily is corroded, labour intensity large, weak effect of power consumption in above-mentioned technique.
Summary of the invention
Problem to be solved by this invention provides a kind of tar, crude benzene tail gas collecting system, its objective is the effect that improves tar, crude benzol exhaust collection.
To achieve these goals, the technical scheme taked of the present invention is:
Tar provided by the present invention, crude benzene tail gas collecting system, comprise exhaust collection pipe, clarifier, establish in the described tail gas collection system and spray groove, spray pump and Venturi tube, described exhaust collection pipe, Venturi tube are communicated with the sprinkling groove, and described spray pump is connected with Venturi tube.
For making the present invention more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize better goal of the invention, and improve novelty of the present invention and creativeness:
Described tail gas collection system is established the fluid unload arm, and described fluid unload arm is provided with charging door and exhaust collection mouth, and described exhaust collection mouth is connected with described exhaust collection pipe, and described fluid unload arm is provided with rotating and regulating mechanism and guiding mechanism up and down.
The interface of described fluid unload arm and tank car adopts the inverted cone-shaped Hermetical connecting structure.
Described clarifier is connected with Venturi tube by the clarifier spray line, and described clarifier is the peculiar smell gathering-device, and two-layer about being divided into, the centre is provided with filler, and top is provided with spray structure.
Gas cooler is established in the upper end of described clarifier.
Described tail gas collection system is established the washing oil groove, and described washing oil groove is communicated with described sprinkling groove by pipeline.
At described sprinkling delivery side of pump, establish the washing oil cooler.
The present invention adopts technique scheme, utilize fluid to spray the similar compatibility principle that produces negative pressure characteristics and liquid aspiration receipts at Venturi tube, the gas that tar, crude benzol are produced imports the Venturi tube absorption cleaning, realization automatically, tail gas absorbs fast, so that the peculiar smell that entrucking produces reduces, simple to operate, practical, reduced workman's labour intensity, having improved the simultaneously security of execute-in-place environment improves, effectively administer the tail gas that produces in the volatile liquid entrucking process thereby reach, reduce to the pollution of environment with to the injury of the person.
Description of drawings
The below is briefly described the expressed content of this Figure of description and the mark among the figure:
Fig. 1 is structural representation of the present invention.
Be labeled as among the figure:
1, clarifier, 2, spray groove, 3, spray pump, 4, Venturi tube, 5, the exhaust collection pipe, 6, the fluid unload arm, 7, the clarifier spray line, 8, the washing oil cooler, 9, gas cooler, 10, power controling box, 11, the washing oil groove.
The specific embodiment
The below contrasts accompanying drawing, by the description to embodiment, effect and operation principle, manufacturing process and operation using method etc. to the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part, be described in further detail, to help those skilled in the art inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding.
The of the present invention structure expressed such as Fig. 1 is a kind of tar, crude benzene tail gas collecting system, comprises exhaust collection pipe 5, clarifier 1, electric control system, and described electric control system is provided with power controling box 10.Described clarifier 1 is traditional peculiar smell gathering-device.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize the goal of the invention of the effect of raising tar, crude benzol exhaust collection, the present invention takes following technical scheme:
As shown in Figure 1, establish in tar provided by the present invention, the crude benzene tail gas collecting system and spray groove 2, spray pump 3 and Venturi tube 4, described exhaust collection pipe 5, Venturi tube 4 and sprinkling groove 2 are communicated with, and described spray pump 3 is connected with Venturi tube 4.The electric power of spray pump 3 is provided by power controling box 10.
Venturi tube is the abbreviation of Venturi tube, and its principle is to utilize fluid to flow in the pipeline high speed, and the pipeline thickness changes, and forms " vacuum " (being negative pressure) district at the rear side of venturi outlet, gas or liquid or powder is inhaled penetrated.
Spraying groove 2 is devices of peculiar smell and washing oil Physical Absorption, and the size in its space has a great impact gas flow and absorption.Therefore regulation is sprayed liquid level and the washing oil content of groove, reaches the absorption optimum efficiency.Described sprinkling groove 2 connects exhaust collection pipe 5 and spray pump 3, produces negative pressure by spray pump 3 and Venturi tube 4, tail gas is absorbed spray groove 2, in spraying groove 2, utilizes washing oil that tail gas is carried out Physical Absorption.Absorbing medium is washing oil, can absorb benzene, steam, ammonia etc., namely as tar, the crude benzol dissolving of solvent with gaseous state.The described Physical Absorption that is absorbed as is sent into bulging cryoprecipitate after the flushing liquor absorption is saturated and is entered the ammoniacal liquor system.
Described Venturi tube 4 is that gas flow, volume, the temperature that produces during with tar, crude benzol entrucking and the density calculation of spraying groove 2 washing oil manufacture and design.By spray pump 3 washing oil is flowed and produce certain negative pressure, exhaust collection is arrived spray groove 2.Spray pump 3 connects sprinkling groove 2 Venturi tubes 4, and spray pump 3 operations produce negative pressure by Venturi tube 4, contact with washing oil at Venturi tube 4 bottom tail gas, absorb tail gas by washing oil.
Described Venturi tube is that gas flow, volume, the temperature that produces during with tar, crude benzol entrucking and the density calculation of spraying trough washery oil manufacture and design.By the certain negative pressure of the mobile generation of spray pump washing oil, exhaust collection is arrived the sprinkling groove.
Spray pump 3 outlet pressure adjustment described in the present invention, spray pump 3 has certain pressure and flow, because Venturi tube 4 technological parameters are fixed, therefore spray pump 3 flows are larger, the negative pressure that produces is relatively higher, therefore guarantee to spray flow, certain to the spray line aperture of clarifier 1, avoid aperture to cause greatly flow to reduce.
Described tail gas collection system is established fluid unload arm 6, described fluid unload arm 6 is provided with charging door and the exhaust collection mouth of carrying for product, described exhaust collection mouth is connected with described exhaust collection pipe 5, and described fluid unload arm 6 is provided with rotating and regulating mechanism and guiding mechanism up and down.
The rotating and regulating mechanism of described fluid unload arm 6 and guiding mechanism up and down are so that charging door can multi-faceted adjustment.Pumped (conveying) medium and exhaust collection pipe combination assembling; Both can use separately, also can use simultaneously, can control by valve.
Adopt technique scheme, applicating fluid unload arm 6 forms the tail gas clean-up absorption system in conjunction with the control of Venturi tube 4, and the use of Venturi tube 4 can solve negative pressure and produce power, and fluid unload arm 6 solves entrucking and tail gas absorbs.Therefore, technique scheme can realize that simple, quick, safe tail gas absorbs, and the peculiar smell that entrucking is produced reduces, and reduces environmental pollution, reduces potential safety hazard, and this zone peculiar smell is descended, and has greatly improved worker's operating environment.
Described fluid unload arm 6 adopts the inverted cone-shaped Hermetical connecting structure with the interface of tank car.Tank car interface inverted cone-shaped is tightly connected.The general canned entrance of tank car is circle, if interface is other shapes, can transform.
Described clarifier 1 is connected with Venturi tube 4 by clarifier spray line 7, and described clarifier 1 is the peculiar smell gathering-device, and two-layer about being divided into, the centre is provided with filler, and top is provided with spray structure.
Described clarifier is traditional peculiar smell gathering-device, and two-layer about being divided into, there is filler the centre, absorbs impurity and drop, and top is added with sprinkling simultaneously, further strengthens absorption.
Gas cooler 9 is established in the upper end of described clarifier 1.The tail gas that entrucking produces is spraying rear some remnants of groove 2 absorptions to clarifier 1, because the tar exhaust temperature is higher, for the eliminating of further minimizing tail gas, at clarifier Increasing exports gas cooler 9.Then liquefaction be back to washing oil groove 11 by clarifier 1 after the cooling
Described tail gas collection system is established washing oil groove 11, and described washing oil groove 11 is communicated with described sprinkling groove 2 by pipeline.
Sprinkling groove 2 described in the present invention is accepted washing oil, owing to during the tar entrucking there be about 80 ℃ temperature, can produce certain steam, moisture washing oil is delivered to crude benzol when spraying the increase of groove 2 liquid levels, influential to crude benzol production and cost control, by spraying groove, a washing oil dump tank 11 is set for this reason again, stops entering of water source, avoid the impact that crude benzol is produced.Spray simultaneously groove and can regularly replace washing oil, increase the physics absorption efficiency.
In the outlet of described spray pump 3, establish washing oil cooler 8.
Spray the control of groove 2 flushing liquor temperature, because flushing liquor sprays continuously, cause the flushing liquor temperature to raise, high energy reaches about 60 ℃, has reduced the Physical Absorption of tail gas and washing oil, the flushing liquor temperature raises simultaneously, also cause the volatilization of flushing liquor peculiar smell, the peculiar smell that clarifier 1 tail gas is got rid of increases, therefore at spray pump 3 Increasing exports coolers 8, reduce the flushing liquor temperature, remain on 25 ℃～30 ℃.
Keep certain negative pressure key to be sealing when tar, crude benzol entrucking, purifier all is steel construction, and sealing can guarantee, the proper operation method of tar, crude benzol entrucking and vehicle sealing are exactly important step.
The present invention utilizes fluid to spray the similar compatibility principle that produces negative pressure characteristics and liquid aspiration receipts at Venturi tube, the gas that tar, crude benzol are produced imports the Venturi tube absorption cleaning, realization automatically, tail gas absorbs fast, so that the peculiar smell that entrucking produces reduces, simple to operate, practical, reduced workman's labour intensity, improved the execute-in-place environment, simultaneously security improves, effectively administer the tail gas that produces in the volatile liquid entrucking process thereby reach, reduce to the pollution of environment with to the injury of the person.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (5)
1. a tar, crude benzene tail gas collecting system comprise exhaust collection pipe (5), clarifier (1), it is characterized in that:
Establish in the described tail gas collection system and spray groove (2), spray pump (3) and Venturi tube (4), described exhaust collection pipe (5), Venturi tube (4) and sprinkling groove (2) are communicated with, and described spray pump (3) is connected with Venturi tube (4);
Described tail gas collection system is established washing oil groove (11), and described washing oil groove (11) is communicated with described sprinkling groove (2) by pipeline;
Washing oil cooler (8) is established in outlet in described spray pump (3).
2. according to tar claimed in claim 1, crude benzene tail gas collecting system, it is characterized in that: described tail gas collection system is established fluid unload arm (6), described fluid unload arm (6) is provided with charging door and exhaust collection mouth, described exhaust collection mouth is connected with described exhaust collection pipe (5), and described fluid unload arm (6) is provided with rotating and regulating mechanism and guiding mechanism up and down.
3. according to tar claimed in claim 2, crude benzene tail gas collecting system, it is characterized in that: described fluid unload arm (6) adopts the inverted cone-shaped Hermetical connecting structure with the interface of tank car.
4. according to claim 1 or 2 or 3 described tar, crude benzene tail gas collecting system, it is characterized in that: described clarifier (1) is connected with Venturi tube (4) by clarifier spray line (7), described clarifier (1) is the peculiar smell gathering-device, be divided into two-layer up and down, the centre is provided with filler, and top is provided with spray structure.
5. according to tar claimed in claim 4, crude benzene tail gas collecting system, it is characterized in that: gas cooler (9) is established in the upper end of described clarifier (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910265721 CN101721890B (en) | 2009-12-20 | 2009-12-20 | Tail gas collection system for tar and crude benzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910265721 CN101721890B (en) | 2009-12-20 | 2009-12-20 | Tail gas collection system for tar and crude benzene |
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| Publication Number | Publication Date |
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| CN101721890A CN101721890A (en) | 2010-06-09 |
| CN101721890B true CN101721890B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910265721 Active CN101721890B (en) | 2009-12-20 | 2009-12-20 | Tail gas collection system for tar and crude benzene |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749703A (en) * | 2016-04-28 | 2016-07-13 | 张家港市华昌新材料科技有限公司 | Loading tail gas washing and recovering method |
| CN106693618B (en) * | 2016-12-12 | 2019-05-17 | 余建华 | The harmless processing system of process tail gas and exhaust gas during a kind of coal tar deep processing |
| CN110906397B (en) * | 2019-11-07 | 2021-11-26 | 宁波方太厨具有限公司 | Oil cup for range hood and range hood applying same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471997A (en) * | 2003-06-17 | 2004-02-04 | 东华工程科技股份有限公司 | Washing method and apparatus for phosphoric acid reacting trough extracting tail gas |
| CN2681804Y (en) * | 2004-01-16 | 2005-03-02 | 上海宝钢化工有限公司 | Tar and exhaust gas treating device |
| CN201643941U (en) * | 2009-12-20 | 2010-11-24 | 芜湖新兴铸管有限责任公司 | Tar and crude benzene tail gas collecting system |
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2009
- 2009-12-20 CN CN 200910265721 patent/CN101721890B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471997A (en) * | 2003-06-17 | 2004-02-04 | 东华工程科技股份有限公司 | Washing method and apparatus for phosphoric acid reacting trough extracting tail gas |
| CN2681804Y (en) * | 2004-01-16 | 2005-03-02 | 上海宝钢化工有限公司 | Tar and exhaust gas treating device |
| CN201643941U (en) * | 2009-12-20 | 2010-11-24 | 芜湖新兴铸管有限责任公司 | Tar and crude benzene tail gas collecting system |
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| CN101721890A (en) | 2010-06-09 |
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