CN104923039B - Tail gas emission system - Google Patents
Tail gas emission system Download PDFInfo
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- CN104923039B CN104923039B CN201510364121.9A CN201510364121A CN104923039B CN 104923039 B CN104923039 B CN 104923039B CN 201510364121 A CN201510364121 A CN 201510364121A CN 104923039 B CN104923039 B CN 104923039B
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Abstract
The invention provides a tail gas emission system which comprises a washing tower, a fan, a tail gas manifold, a washing oil circulating pump and a washing oil cooler. An inverted-U-shaped elbow is arranged on a tower incoming pipeline connecting the washing tower with the fan, an original straight pipe is changed into a non-straight pipe with an individual part bent, and the highest position of the inverted-U-shaped elbow is higher than horizontal height of the tower incoming pipeline, so that washing oil accumulated in the tower incoming pipeline is stopped from flowing towards the fan, the problem caused to normal running of the fan by the washing oil is avoided, potential safety hazards caused by burning of the washing oil are avoided, normal running of the tail gas emission system is guaranteed, and standard reaching rate of emitted tail gas is increased.
Description
Technical field
The present invention relates to coking industry exhaust emissions technical field, more particularly, to a kind of tail gas discharge system.
Background technology
The various tail gas produced in coking industry production process, it is impossible to directly discharged, it is necessary to which tail gas is absorbed
Process, after reaching the environmental emission standard requirement of national regulation, could discharge.
Tail gas washing column is the conventional device for absorbing tail gas of coking industry, and tower top is sprayed using circulating washing oil, will be stored up
The toxic gas that the equipment such as groove, tower are produced absorb, to reduce producing region abnormal flavour, meet the requirement of environmental protection.Matched master
Equipment is wanted to include exhaust fan, washing oil circulating pump, bottom of towe washing oil cooler and associated satellite pipeline.In tail gas washing column tower reactor
The tail gas for storing the generations such as a certain amount of washing oil, each storage tank, tower collects to engine manifold, and tail gas is caused into tail by exhaust fan
Gas washing column middle part；Washing oil circulating pump extracts out in the washing oil in tail gas washing column tower reactor, and delivering to tail gas washing column column overhead is carried out
Sprinkling, for washing absorption tail gas, reduces pollutant or noxious substance discharge；Because washing oil is not only absorbed in cyclic process
Tail gas, also absorbs the heat that tail gas brings, and washing oil temperature can be raised constantly, causes tail gas absorption effect to be deteriorated, accordingly, it would be desirable to
Circulating washing oil is cooled down, to ensure the operational effect of tail gas washing column.
In running, because circulating washing oil is sprayed in tower top, tail gas is cleaned in tail gas to tail gas washing column
Tower middle part is entered in tower；If moisture vapor is larger in tail gas, the water vapour in tail gas can be condensed in course of conveying, and volume subtracts
Little, causing tail gas to enter tower tube road becomes micro-vacuum state, the part circulating washing oil suck-back of the floating in tail gas washing tower can be entered
Tail gas enters in tower tube road；Circulating washing oil is gradually saved bit by bit in exhaust pipe, can enter exhaust fan along exhaust pipe, causes blower fan
Operating is abnormal, or even damages, due to fan operation heat production, it is also possible to the washing oil burning in blower fan, there is potential safety hazard, serious shadow
The normal operation of tail gas discharge system has been rung, the compliance rate of emission has been reduced.
Therefore, the normal operation of tail gas discharge system how is ensured, the compliance rate for improving emission is art technology
The technical problem of personnel's urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of tail gas discharge system, it is ensured that the normal operation of tail gas discharge system, improve
The compliance rate of emission.
To solve above-mentioned technical problem, the technical scheme that the present invention is provided is：
A kind of tail gas discharge system, including washing column, blower fan, engine manifold, washing oil circulating pump and washing oil cooler, institute
The outlet for stating blower fan is connected by entering tower tube road with the middle part of the washing column, entrance and the engine manifold of the blower fan
One end connects, and the entrance of the washing oil circulating pump is connected with the washing column tower reactor, the outlet of the washing oil circulating pump with it is described
The thermal fluid inlet connection of washing oil cooler, the hot fluid outlet ports of the washing oil cooler are connected with the clean column overhead, institute
State and at least one inverted U-shaped bend pipe be provided with tower tube road, the two ends of the bend pipe respectively with it is described enter tower tube road be connected, it is described
The highest point of bend pipe higher than it is described enter tower tube road highest point.
Preferably, heat exchange type condenser, the heat exchange type condenser are provided between the blower fan and the engine manifold
Thermal fluid inlet be connected with the engine manifold, the entrance of the hot fluid outlet ports of the heat exchange type condenser and the blower fan connects
Connect, the cold fluid inlet of the heat exchange type condenser is connected by cold fluid circulation pump with cold fluid reservoir, and the heat exchange type is cold
The cold fluid outlet of condenser is connected by chiller with the cold fluid reservoir.
Preferably, the cold fluid reservoir is cold water tank.
Preferably, the cold fluid inlet of the heat exchange type condenser is also connected with the oil-feed port of thermal oil heating piping system, described
The cold fluid outlet of heat exchange type condenser is also connected by heat conduction oil circulating pump with the oil return opening of thermal oil heating piping system.
Preferably, the outlet of the washing oil circulating pump is also associated with washing oil regenerating column, the regenerating wash oil column overhead with
The entrance connection of regeneration condenser, the gaseous phase outlet of the regeneration condenser is connected with the entrance of vacuum pump, the regeneration condensation
The liquid-phase outlet of device is connected with the washing column tower reactor.
Preferably, heat-conducting oil pipes, one end of the heat-conducting oil pipes and conduction oil are embedded with the washing oil regenerating column tower reactor
The oil-feed port connection of furnace system, the other end of the heat-conducting oil pipes is returned by heat conduction oil circulating pump and the thermal oil heating piping system
Hydraulic fluid port connects, and the washing oil regenerating column tower reactor is connected with residual oil pump.
Preferably, the outlet of the washing oil circulating pump is connected by liquid-liquid heat exchanger with the washing oil regenerating column, described
The thermal fluid inlet of liquid-liquid heat exchanger is connected with the oil-feed port of the thermal oil heating piping system, the hot-fluid of the liquid-liquid heat exchanger
Body outlet is connected by heat conduction oil circulating pump with the oil return opening of the thermal oil heating piping system.
Preferably, the outlet of the vacuum pump is connected with the engine manifold.
Compared with prior art, the invention provides a kind of tail gas discharge system, including washing column, blower fan, engine manifold,
Washing oil circulating pump and washing oil cooler, by the way that inverted U-shaped bend pipe is arranged on tower tube road in connection washing column and entering for blower fan, will
Straight tube originally changes over the non-straight tube of individual sites bending, and the highest point of inverted U-shaped bend pipe is higher than the highest point into tower tube road, resistance
The washing oil accumulated in tower tube road is stopped and has flowed to blower fan, it is to avoid the problem that the normal operation of washing oil fan brings, also kept away
Exempt from the potential safety hazard of washing oil burning, so as to ensure that the normal operation of tail gas discharge system, improve the up to standard of emission
Rate.
Further, heat exchange type condenser, the heat exchange type condensation are provided between the blower fan and the engine manifold
The thermal fluid inlet of device is connected with the engine manifold, the hot fluid outlet ports of the heat exchange type condenser and the entrance of the blower fan
Connection, the cold fluid inlet of the heat exchange type condenser is connected by cold fluid circulation pump with cold fluid reservoir, the heat exchange type
The cold fluid outlet of condenser is connected by chiller with the cold fluid reservoir.
The present invention is carried out cold into before blower fan in tail gas by arranging heat exchange type condenser in fans entrance to tail gas
But, the condensable gas such as the water vapour in tail gas, heavy oil are condensed out, reduces the coercibility gas in the tail gas in blower fan
The content of body, reduces condensation number of the condensable gas in blower fan, reduces the normal operation band of tail gas condensing liquid fan
The impact for coming, reduces the repair rate of blower fan, so as to ensure that the normal operation of tail gas discharge system, improves emission
Compliance rate.
Further, the outlet of the washing oil circulating pump is also associated with washing oil regenerating column, the regenerating wash oil column overhead
It is connected with the entrance of regeneration condenser, the gaseous phase outlet of the regeneration condenser is connected with the entrance of vacuum pump, the raw food again
The liquid-phase outlet of condenser is connected with the washing column tower reactor.
The present invention by arranging washing oil regenerating column outside washing column, by the washing oil containing a large amount of impurity in washing column tower reactor
The distillatory refining regeneration in washing oil regenerating column, the regeneration washing oil for obtaining is condensed into liquid return and washes from the condensed device of regeneration column overhead
Net tower, the residual oil containing a large amount of impurity accumulates in the tower reactor of washing oil regenerating column and persistently distills.The present invention is by by regenerating wash oil, taking off
Except a large amount of impurity in washing oil so that washing oil recovers original washing absorbability, the washing oil after regeneration returns scrubbing tower, carries
The high clean result of scrubbing tower, so as to ensure that the normal operation of tail gas discharge system, improves the compliance rate of emission.
The present invention carries out indirectly heat by conduction oil to the residual oil in regenerator tower reactor, takes full advantage of conduction oil high
Temperature, low pressure, it is safe the characteristics of, the temperature of residual oil and the stability of temperature are improve, so as to ensure that tail gas discharge system just
Often operation, improves the compliance rate of emission.Vacuum distillation, negative pressure is adopted to be produced by vacuum pump in regenerator, subnormal ambient
The volatilization temperature of washing oil is reduced, the degree of volatility of regeneration washing oil is improve, the quality of regeneration washing oil is improve, with more high-quality
The washing oil of amount is returned after washing column, it is ensured that the normal operation of tail gas discharge system, improves the compliance rate of emission.
Description of the drawings
Fig. 1 is the operation principle schematic diagram of tail gas discharge system provided in an embodiment of the present invention.
In figure：1 tail gas discharge system, 101 washing columns, 102 blower fans, 103 engine manifolds, 104 washing oil circulating pumps, 105 wash
Oil cooler, 106 enter tower tube road, 107 inverted U-shaped bend pipes, 2 cooling subsystems, 201 heat exchange type condensers, 202 cold flow body circulations
Pump, 203 cold fluid reservoirs, 204 chillers, 3 thermal oil heating piping systems, 301 heat-conducting oil furnaces, 302 heat conduction oil circulating pumps, 4 regeneration
Subsystem, 401 washing oil regenerating columns, 402 regeneration condensers, 403 vacuum pumps, 404 residual oil pumps, 405 liquid-liquid heat exchanger.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied as
The present invention is described in further detail for mode.
Fig. 1 is the operation principle schematic diagram of tail gas discharge system provided in an embodiment of the present invention.
The invention provides a kind of tail gas discharge system 1, including washing column 101, blower fan 102, engine manifold 103, washing oil
Circulating pump 104 and washing oil cooler 105, the outlet of blower fan 102 is connected by entering tower tube road 106 with the middle part of washing column 101,
The entrance of blower fan 102 is connected with one end of engine manifold 103, and the entrance of washing oil circulating pump 104 is connected with the tower reactor of washing column 101,
The outlet of washing oil circulating pump 104 is connected with the thermal fluid inlet of washing oil cooler 105, the hot fluid outlet ports of washing oil cooler 105
Be connected with the tower top of washing column 101, enter and at least one inverted U-shaped bend pipe 107 is provided with tower tube road 106, the two ends of bend pipe respectively with
Enter tower tube road 106 to connect, the highest point of bend pipe is higher than the highest point into tower tube road 106.
The invention provides a kind of tail gas discharge system 1, including washing column 101, blower fan 102, engine manifold 103, washing oil
Circulating pump 104 and washing oil cooler 105, by arrange on tower tube road 106 U in connection washing column 101 and entering for blower fan 102
Shape bend pipe 107, by original straight tube the non-straight tube of individual sites bending is changed over, and the highest point of inverted U-shaped bend pipe 107 is higher than into tower
The level height of pipeline 106, prevent the washing oil accumulated in tower tube road 106 to flow to blower fan 102, it is to avoid washing oil fan
The problem that 102 normal operation brings, it also avoid the potential safety hazard of washing oil burning, so as to ensure that tail gas discharge system 1
Normal operation, improves the compliance rate of emission.Preferably, above-mentioned inverted U-shaped bend pipe 107 be 1, highly for 500mm～
800mm, caliber is identical with the caliber for entering tower tube road 106, with the distance between the gas inlet of washing column 101 for 500mm～
600mm。
Tail gas is multiple operation outputs in coking industry, is a kind of gas that respective operation carries out being obtained after gas treatment
Body, tail gas discharge system 1 is the purified treatment again of tail gas, to reach environmental emission standard.In being summarised in engine manifold 103
, also containing condensable gas such as substantial amounts of water vapour, heavy oil gas, exhaust temperature is at 100 DEG C～120 DEG C for tail gas.Part coercibility gas
Body can be condensed into liquid in blower fan 102, stick on the blade of blower fan 102, cause blower fan 102 to vibrate, and abrasion is accelerated, and energy consumption increases
Height, the ability for conveying tail gas declines, and liquid accumulates in the inner bottom part of blower fan 102, easily ignited by the high temperature in blower fan 102, has
Very high potential safety hazard.
For this purpose, in the tail gas discharge system 1 of present invention offer, between blower fan 102 and engine manifold 103 heat exchange type is provided with
Condenser 201, the thermal fluid inlet of heat exchange type condenser 201 is connected with engine manifold 103, the hot-fluid of heat exchange type condenser 201
Body outlet is connected with the entrance of blower fan 102, the cold fluid inlet of heat exchange type condenser 201 pass through cold fluid circulation pump 202 with it is cold
Fluid reservoir 203 is connected, and the cold fluid outlet of heat exchange type condenser 201 is connected by chiller 204 with cold fluid reservoir 203
It is logical.Heat exchange type condenser 201, cold fluid circulation pump 202, cold fluid reservoir 203, chiller 204 constitute one and tail gas are entered
The cooling subsystem 2 of row cooling.
Tail gas is down to less than 50 DEG C by the present invention by carrying out heat exchange cooling to tail gas into before blower fan 102 in tail gas,
The condensable gas such as water vapour, heavy oil gas of the overwhelming majority in tail gas are condensed into into liquid, liquid is periodically from heat exchange type condenser
Discharge in 201 so that the tail gas into blower fan 102 is cleaner, reduces the condensing liquid quantity that tail gas is produced in blower fan 102,
The adhesion liquid measure on the blade of blower fan 102 is reduced, the condensed fluid burden of the inner bottom part of blower fan 102 is reduced, it is ensured that blower fan 102
Normal table operation, it is ensured that the normal operation of tail gas discharge system 1, improve the compliance rate of emission.
In one embodiment of the invention, above-mentioned cold fluid reservoir 203 is cold water tank, i.e., using cold water as heat exchange type
The cold flow body of condenser 201, it is preferred that the low-temperature water heating needed as other operations or equipment entrance after cold water heat exchange.
The thermal fluid inlet of heat exchange type condenser 201 is gas inlet, and the hot fluid outlet ports of heat exchange type condenser 201 are tail
Gas is exported；The cold fluid inlet of heat exchange type condenser 201 is cold water inlet, and the cold fluid outlet of heat exchange type condenser 201 is cold
Water out.Chiller 204 is preferably cooling tower.
Above-mentioned heat exchange type condenser 201 is preferably shell-and-tube heat exchanger, and tail gas preferably walks tube side.Water in tail gas
The condensed liquid adhesive of condensable gas such as steam, heavy oil gas is stronger, of long duration, and line clogging, forfeiture can be caused to change
The function of heat condensation.
For this purpose, in the tail gas discharge system 1 that provides of the present invention, the cold fluid inlet of heat exchange type condenser 201 also with heat conduction
The oil-feed port connection of oil oven system 3, the cold fluid outlet of heat exchange type condenser 201 is also by heat conduction oil circulating pump 302 and heat conduction
The oil return opening connection of oil oven system 3.
The present invention is connected the cold fluid inlet of heat exchange type condenser 201 with the oil-feed port of thermal oil heating piping system 3, works as pipeline
After blocking, stop supply tail gas, then stop supplying cold water to heat exchange type condenser 201, start to be supplied to heat exchange type condenser 201
Tamper in pipeline is added heat fusing by the high temperature for answering the conduction oil of high temperature, interests conduction oil, from effuser road, discharges heat exchange type
Condenser 201, so as to the pipe-dredging that will be blocked.After dredging, stop the conduction oil of supplying high temperature, recover supply cold water, then
Recover supply tail gas, again heat exchange condensation is carried out to tail gas.
The cold fluid inlet of heat exchange type condenser 201 is connected cold fluid circulation pump 202 and heat-conducting oil furnace by the present invention simultaneously
System 3, can cool down to tail gas, the tamper in pipeline can be carried out plus heat fusing again so that heat exchange type is condensed
Device 201 sustainedly and stably, can be cooled down efficiently to tail gas, it is ensured that the normal operation of tail gas discharge system 1, be improve
The compliance rate of emission.
In washing column 101, washing oil runs with tail gas convection current, and the pollutant in tail gas are absorbed, and drop to the tower of washing column 101
Kettle, then by washing oil circulating pump 104 dozens to the tower top of washing column 101, circulated sprinkling so that the pollutant load in washing oil gradually increases
It is many, the detergent power of washing oil is reduced, reduce the compliance rate of emission.
For this purpose, in the tail gas discharge system 1 of present invention offer, the outlet of washing oil circulating pump 104 is also associated with washing oil again
Raw tower 401, the tower top of washing oil regenerating column 401 be connected with the entrance of regeneration condenser 402, the gaseous phase outlet of regeneration condenser 402 and
The entrance connection of vacuum pump 403, the liquid-phase outlet for regenerating condenser 402 is connected with the tower reactor of washing column 101.
Washing oil regenerating column 401, regeneration condenser 402, vacuum pump 403, residual oil pump 404 constitute one and washing oil are regenerated
Regeneration subsystem 4.What is carried out in washing oil regenerating column 401 is that distillatory refining is processed, using component boiling point under ambient pressure
Difference, becomes washing oil gas phase and evaporates, so that washing oil is regenerated from the washing oil containing a large amount of pollutant.This is again
Raw subsystem 4 is regenerated using vacuum distillation, improves the degree of volatility of washing oil, can obtain purer washing oil, is reduced and is washed
The volatilization temperature of oil, reduces the temperature that washing oil enters in the temperature and the tower reactor of washing oil regenerating column 401 of washing oil regenerating column 401, reduces
Energy consumption and production cost.
Further, heat-conducting oil pipes, one end and the heat-conducting oil furnace system of heat-conducting oil pipes are embedded with the tower reactor of washing oil regenerating column 401
The oil-feed port connection of system 3, the other end of heat-conducting oil pipes is connected by heat conduction oil circulating pump 302 with the oil return opening of thermal oil heating piping system 3
Connect, the tower reactor of washing oil regenerating column 401 is connected with residual oil pump 404.
Thermal oil heating piping system 3 is by heat-conducting oil heating, after circulating pump is by heating using burning fuel or electrical heating
Conduction oil is transported to heating equipment, then returns to heat-conducting oil furnace 301 by heating equipment oil-out, forms a complete circulating-heating
System.Thermal oil heating piping system 3 adopts digital display type temperature controller temperature control, with overtemperature alarm, low oil level warning, over pressure warning work(
Can because high temperature, low pressure, the advantage such as operate steadily and be widely used.Thermal oil heating piping system 3 includes heat-conducting oil furnace 301, heat conduction
Oil circulating pump 302, the oil pipeline of gs-oil separator, oil storage tank, expansion slot and connection the said equipment.
Preferably, the thermal oil heating piping system 3 in regeneration subsystem 4 is the heat conduction to the heat supply of above-mentioned heat exchange type condenser 201
Oil oven system 3, reduces equipment investment and plant maintenance amount, improves the utilization rate of equipment.
The present invention, by regenerating wash oil, removes a large amount of pollutant in washing oil using regeneration subsystem 4, recovers washing oil original
Washing absorbability, the washing oil after regeneration returns the tower top of washing column 101 spray tail gas, so as to ensure that tail gas discharge system 1
Normal operation, improves the compliance rate of emission.
The essence of washing oil regenerating column 401 is rectifying column, and what is carried out is that distillation is processed.Washing oil is by washing oil regenerating column 401
Portion enters, and successively flows downwards, and during flowing, the larger component of vapour pressure becomes gas phase volatilization, successively rises, upper
Successively distillatory refining during rising, finally obtains the higher gas phase washing oil of purity and is discharged by the tower top of washing oil regenerating column 401, steam
Press less component to continue to keep liquid, successively flow downward, finally obtain the higher liquid phase of impurity, accumulate in washing oil regenerating column
In 401 tower reactors, as residual oil.In distillation processing procedure, the temperature of raw material is critically important to distilling effect and product quality.
For this purpose, the outlet of washing oil circulating pump 104 is connected by liquid-liquid heat exchanger 405 with washing oil regenerating column 401, liquid-liquid
The thermal fluid inlet of heat exchanger 405 is connected with the oil-feed port of thermal oil heating piping system 3, the hot fluid outlet ports of liquid-liquid heat exchanger 405
It is connected with the oil return opening of thermal oil heating piping system 3 by heat conduction oil circulating pump 302.
In the present invention, before washing oil enters washing oil regenerating column 401, using thermal oil heating piping system 3 in liquid-liquid heat exchanger
Indirectly heat is carried out to washing oil in 405, improve washing oil enters tower temperature degree, improve washing oil regenerating column 401 distilling effect and
Product quality, so as to ensure that the normal operation of tail gas discharge system 1, improves the compliance rate of emission.
In one embodiment of the invention, the outlet of vacuum pump 403 is connected with engine manifold 103, by vacuum pump 403 from
The tail gas extracted out in washing oil regenerating column 401 sends into engine manifold 103, and other tail gas collect, and one piece of Jing blower fan 102 is sent to clean
The purified treatment of tower 101, is ultimately discharged into air, takes full advantage of system purification ability, protects environment.
The independent technical scheme of each above-mentioned ensure that the normal operation of tail gas discharge system, improve emission
Compliance rate, but multiple laddering technical schemes are mutually combined superposition, cooperate between technical scheme, mutually promote, and are formed
One overall plan, the technique effect for reaching can be much better than the technique effect of single technical scheme, and synergistic effect is notable, it is ensured that tail
The normal operation of gas exhaust system, improves the compliance rate of emission.
The method and device that the application is not described in detail is prior art.
Specific embodiment used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept.It should be pointed out that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall in the protection domain of the claims in the present invention.
Claims (5)
1. a kind of tail gas discharge system, including washing column, blower fan, engine manifold, washing oil circulating pump and washing oil cooler, it is described
The outlet of blower fan is connected by entering tower tube road with the middle part of the washing column, the entrance of the blower fan and the one of the engine manifold
End connection, the entrance of the washing oil circulating pump is connected with the washing column tower reactor, and the outlet of the washing oil circulating pump is washed with described
The thermal fluid inlet connection of oil cooler, the hot fluid outlet ports of the washing oil cooler are connected with the clean column overhead, and it is special
Levy and be, it is described enter tower tube road on be provided with least one inverted U-shaped bend pipe, the two ends of the bend pipe respectively with it is described enter tower tube
Road connects, the highest point of the bend pipe higher than it is described enter tower tube road highest point；
Heat exchange type condenser, the thermal fluid inlet of the heat exchange type condenser are provided between the blower fan and the engine manifold
It is connected with the engine manifold, the hot fluid outlet ports of the heat exchange type condenser are connected with the entrance of the blower fan, the heat exchange
The cold fluid inlet of formula condenser is connected by cold fluid circulation pump with cold fluid reservoir, the cold flow body of the heat exchange type condenser
Outlet is connected by chiller with the cold fluid reservoir；
The cold fluid reservoir is cold water tank；
The cold fluid inlet of the heat exchange type condenser is also connected with the oil-feed port of thermal oil heating piping system, the heat exchange type condenser
Cold fluid outlet be also connected with the oil return opening of thermal oil heating piping system by heat conduction oil circulating pump.
2. tail gas discharge system according to claim 1, it is characterised in that the outlet of the washing oil circulating pump is also connected with
There is washing oil regenerating column, the regenerating wash oil column overhead is connected with the entrance of regeneration condenser, the gas phase of the regeneration condenser goes out
Mouth is connected with the entrance of vacuum pump, and the liquid-phase outlet of the regeneration condenser is connected with the washing column tower reactor.
3. tail gas discharge system according to claim 2, it is characterised in that be embedded with the washing oil regenerating column tower reactor and lead
Deep fat pipe, one end of the heat-conducting oil pipes is connected with the oil-feed port of thermal oil heating piping system, and the other end of the heat-conducting oil pipes passes through
Heat conduction oil circulating pump is connected with the oil return opening of the thermal oil heating piping system, and the washing oil regenerating column tower reactor is connected with residual oil pump.
4. tail gas discharge system according to claim 2, it is characterised in that the outlet of the washing oil circulating pump by liquid-
Liquid heat exchanger is connected with the washing oil regenerating column, thermal fluid inlet and the thermal oil heating piping system of the liquid-liquid heat exchanger
Oil-feed port connects, and the hot fluid outlet ports of the liquid-liquid heat exchanger are returned by heat conduction oil circulating pump and the thermal oil heating piping system
Hydraulic fluid port connects.
5. tail gas discharge system according to claim 2, it is characterised in that the outlet of the vacuum pump is total with the tail gas
Pipe connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364121.9A CN104923039B (en) | 2015-06-26 | 2015-06-26 | Tail gas emission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364121.9A CN104923039B (en) | 2015-06-26 | 2015-06-26 | Tail gas emission system |
Publications (2)
| Publication Number | Publication Date |
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| CN104923039A CN104923039A (en) | 2015-09-23 |
| CN104923039B true CN104923039B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510364121.9A Expired - Fee Related CN104923039B (en) | 2015-06-26 | 2015-06-26 | Tail gas emission system |
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| CN107261771A (en) * | 2017-07-07 | 2017-10-20 | 攀钢集团攀枝花钢钒有限公司 | Tar production treating tail gas device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200958877Y (en) * | 2006-09-05 | 2007-10-10 | 蒋树田 | Waste oil-gas recovery utilizer |
| CN202460416U (en) * | 2011-11-25 | 2012-10-03 | 曲靖众一精细化工股份有限公司 | Recovery device of solvent in non-condensable gas containing solvent steam |
| CN202398261U (en) * | 2011-12-01 | 2012-08-29 | 中色科技股份有限公司 | Multiple-absorption-tower multiple-spray full oil recycling device |
| CN203610019U (en) * | 2013-10-14 | 2014-05-28 | 航天环境工程有限公司 | Cyclone distillation desorption column |
| CN204973481U (en) * | 2015-06-26 | 2016-01-20 | 山东钢铁股份有限公司 | Tail gas discharge system |
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