CN209317364U - A kind of pretreatment of exhaust gas and concentration condensing recovery governing system - Google Patents
A kind of pretreatment of exhaust gas and concentration condensing recovery governing system Download PDFInfo
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- CN209317364U CN209317364U CN201822236080.7U CN201822236080U CN209317364U CN 209317364 U CN209317364 U CN 209317364U CN 201822236080 U CN201822236080 U CN 201822236080U CN 209317364 U CN209317364 U CN 209317364U
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Abstract
The utility model discloses a kind of pretreatment of exhaust gas and concentration condensing recovery governing systems, by spray, demisting, filtering in the way of dust, the greasy dirt in exhaust gas are pre-processed, adsorbent material is recycled to carry out Adsorption Concentration to exhaust gas later, the exhaust gas qualified discharge after Adsorption Concentration；When adsorbent material absorption a period of time is close to after saturation, recycling resolution gas parses adsorbent material, and the high-concentration waste gas after parsing enters heat exchange condensation phase and carries out cooling condensation, and the exhaust gas after condensing is changed into liquids recovery recycling.This programme can be realized the recycling and administration for the exhaust gas that component is single, concentration is higher.
Description
Technical field
The utility model relates to ambient exhaust gas Treatment process field, it is single mainly for waste gas component in industrial waste gas, return
Receive costly abatement equipment.
Background technique
With the rapid development of modern industry, it is more and more with the exhaust gas flowed into atmosphere, and these gases are often
Nocuousness has foul smell, and the ecological environment of living environment and the Nature to the mankind produces the influence of harmfulness.And
The technology of waste gas pollution control and treatment develops, and realizes green living and production, plays most important work to the ecological environment preserved our planet
With.
With life and the change of production method, the composition of exhaust gas is also complicated and changeable, and some waste gas components are complicated, and there are also two
Kind or two or more exhaust gas, and the concentration of every kind of exhaust gas is all relatively low；Some waste gas components are single, and concentration is high.For waste gas components
Complicated multicomponent mix waste gas, most effective method are exactly to pass through chemical reaction to destroy improvement, and harmful exhaust is converted to nothing
Evil compound；Single for composition, highly concentrated one-component exhaust gas, can although converting the method destroyed and administered by chemical reaction
To administer, but waste of resource.Single for this component at present, the recycling and administration of the higher industrial waste gas of concentration seems especially
It is important.
Utility model content
In view of this, the present invention provides a kind of pretreatment of exhaust gas and concentration condensing recovery governing systems, utilize spray
Leaching, demisting, the mode of filtering pre-process dust, the greasy dirt in exhaust gas, recycle adsorbent material to carry out exhaust gas later
Adsorption Concentration, the exhaust gas qualified discharge after Adsorption Concentration；After adsorbent material absorption a period of time close saturation, solution is recycled
Gassing parses adsorbent material, and the high-concentration waste gas after parsing enters heat exchange condensation phase and carries out cooling condensation, condenses
Exhaust gas later is changed into liquids recovery recycling.
To achieve the above object, the utility model provides the following technical solutions:
A kind of pretreatment of exhaust gas and concentration condensing recovery governing system, including exhaust gas preprocessing part, exhaust gas Adsorption Concentration
Part is administered in part and exhaust gas parsing condensation；
It includes carrier gas mechanism, condenser and heat exchanger that part is administered in the exhaust gas parsing condensation；
The gas outlet of the carrier gas mechanism is connected to the carrier gas inlet of exhaust gas Adsorption Concentration part, the exhaust gas absorption
The parsing outlet of concentrating part is connected to the high temperature air intake of the heat exchanger, the high temperature gas outlet connection of the heat exchanger
In the air intake of the condenser, the gas outlet of the condenser is connected to the low temperature air intake of the heat exchanger, the heat
The low temperature gas outlet of exchanger is connected to the parsing entrance of exhaust gas Adsorption Concentration part；
The gas outlet of the exhaust gas preprocessing part is connect with the absorption entrance of exhaust gas Adsorption Concentration part.
Preferably, it further includes electric heater that part is administered in the exhaust gas parsing condensation, and the air intake of the electric heater connects
It is connected to the low temperature gas outlet of the heat exchanger, gas outlet is connected to the parsing entrance of exhaust gas Adsorption Concentration part.
Preferably, it further includes adsorbing auxiliary tank that part is administered in the exhaust gas parsing condensation, the absorption entrance of the auxiliary tank of absorption
It is connected to the gas outlet of the condenser, absorption outlet is connected to the low temperature air intake of the heat exchanger.
Preferably, it further includes hydrops slot that part is administered in the exhaust gas parsing condensation, and the inlet of the hydrops slot is connected to
The leakage fluid dram of the condenser, gas outlet are connected to the air intake of the condenser.
Preferably, it further includes water cooler that part is administered in the exhaust gas parsing condensation, and the liquid outlet of the water cooler connects
It is connected to the coolant inlet of the condenser, liquid return hole is connected to the cooling liquid outlet of the condenser.
Preferably, the exhaust gas preprocessing part includes sequentially connected vertical spray tower and demisting deduster.
Preferably, exhaust gas Adsorption Concentration part includes the absorbing unit of multiple parallel connections.
Preferably, the adsorbent material of the absorbing unit includes Carbon fibe inorganic composite materials or Carbon fiber filter element material.
Preferably, the absorbing unit is provided with carrier gas inlet, absorption entrance, parsing entrance, absorption outlet and parses
Mouthful, and each entrance is provided with autocontrol valve.
Preferably, the condenser includes the condensing unit of multi-stage series.
It can be seen from the above technical scheme that exhaust gas pretreatment provided by the utility model and concentration condensing recovery are administered
System, by spray, demisting, filtering in the way of dust, the greasy dirt in exhaust gas are pre-processed, recycle adsorbent material later
Adsorption Concentration is carried out to exhaust gas, the exhaust gas qualified discharge after Adsorption Concentration；When adsorbent material absorption a period of time close saturation
Afterwards, resolution gas is recycled to parse adsorbent material, the high-concentration waste gas after parsing enters heat exchange condensation phase and dropped
Temperature condensation, the exhaust gas after condensing are changed into liquids recovery recycling.Whole system includes exhaust gas preprocessing part, exhaust gas absorption
Part and PLC control operating system are administered in concentrating part and exhaust gas parsing condensation；Wherein, exhaust gas preprocessing part includes
Vertical spray tower, dedusting demister degrease, the impurity such as dust；Exhaust gas Adsorption Concentration part includes multiple adsorption tanks units,
Each adsorption tanks unit is controlled by valve, is worked independently；Exhaust gas parsing condensation administer part mainly include gas-gas heat exchanger,
Multi-stage condensing device, parsing blower and electric heater etc.；PLC controls operating system and carries out real-time control to equipment, easy to operate to subtract
Few maloperation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart that exhaust gas provided by the embodiment of the utility model pre-processed and be concentrated condensation comprehensive treatment system；
Wherein, 1- breeze fan；2- vertical spray tower；3- demisting deduster；4- cleaning gas blowdown stack；The main technique wind of 5-
Machine；The first absorbing unit of 6-；The second absorbing unit of 7-；8- third absorbing unit；9- electric heater；10- adsorbs auxiliary tank；11- solution
Analyse blower；12- multi-stage condensing device；13- heat exchanger；14- water cooler；15- hydrops slot；16- nitrogen making machine and nitrogen storage tank；
Fig. 2 is the working principle diagram of absorbing unit provided by the embodiment of the utility model；
Wherein, 61- nitrogen inlet valve；62- adsorbs inlet valve；63- parses inlet valve；The detection of 64- head temperature
Element；65- pressure detecting element；66- adsorbs outlet valve；67- bottom temp detecting element；68- parses outlet valve.
Specific embodiment
The utility model provides a kind of pretreatment of exhaust gas and concentration condensing recovery governing system, utilizes spray, demisting, mistake
The mode of filter pre-processes dust, the greasy dirt in exhaust gas, recycles adsorbent material to carry out Adsorption Concentration to exhaust gas later, inhales
Exhaust gas qualified discharge after attached concentration；When adsorbent material absorption a period of time is close to after saturation, recycling resolution gas is to absorption
Material is parsed, and the high-concentration waste gas after parsing enters heat exchange condensation phase and carries out cooling condensation, the exhaust gas after condensing
It is changed into liquids recovery recycling.Whole system includes exhaust gas preprocessing part, exhaust gas Adsorption Concentration part and exhaust gas parsing
Part is administered in condensation and PLC controls operating system；Wherein, exhaust gas preprocessing part includes vertical spray tower, dedusting demisting
Device degreases, the impurity such as dust；Exhaust gas Adsorption Concentration part includes multiple adsorption tanks units, and each adsorption tanks unit passes through
Valve controls, and works independently；It mainly includes gas-gas heat exchanger, multi-stage condensing device, parsing wind that part is administered in exhaust gas parsing condensation
Machine and electric heater etc.；PLC controls operating system and carries out real-time control, reduction maloperation easy to operate to equipment.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Exhaust gas pretreatment provided by the embodiment of the utility model and concentration condensing recovery governing system, including exhaust gas pretreatment
Partially, part is administered in exhaust gas Adsorption Concentration part and exhaust gas parsing condensation, and structure is referred to shown in Fig. 1；
Wherein, it includes carrier gas mechanism, condenser 12 and heat exchanger 13 that part is administered in exhaust gas parsing condensation；
The gas outlet of carrier gas mechanism is connected to the carrier gas inlet of exhaust gas Adsorption Concentration part, the solution of exhaust gas Adsorption Concentration part
The high temperature locellus air intake that mouth is connected to heat exchanger 13 is precipitated, the high temperature locellus gas outlet of heat exchanger 13 is connected to condenser
12 air intake, the gas outlet of condenser 12 are connected to the low temperature locellus air intake of heat exchanger 13, the low temperature of heat exchanger 13
Locellus gas outlet is connected to the parsing entrance of exhaust gas Adsorption Concentration part；
The gas outlet of exhaust gas preprocessing part is connect with the absorption entrance of exhaust gas Adsorption Concentration part.
It can be seen from the above technical scheme that exhaust gas pretreatment provided by the embodiment of the utility model and concentration are condensed back to
Governing system is received, removes the dust and greasy dirt in exhaust gas first with exhaust gas preprocessing part；Then, exhaust gas Adsorption Concentration part pair
Exhaust gas (organic matter especially therein) carries out Adsorption Concentration, the clean gas qualified discharge after adsorbing；
When the adsorption capacity of adsorbent material reaches saturation, condensation improvement partial adsorbates material is parsed using exhaust gas and is solved
Analysis: firstly, the high temperature carrier gas provided using carrier gas mechanism administers part and parsing condenser pipe to exhaust gas parsing condensation to be resolved
Road carries out carrier gas purge, and remaining gas is discharged, and is full of carrier gas；Discharged residual gas is obtained by the condensation of condenser 12
Clean gas；Then, clean gas exchanges heat after resolution gas (carrier gas) first passes through heat exchanger 13 and condensation, recycles heat；And then enter
Condenser 12 carries out cooling condensation in condenser 12, condensate liquid (including organic matter) recoverable condensed out, clean
Resolution gas is sent into heat exchanger 13, exchange heat with the High Temperature Gas after parsing, the recycling energy, into exhaust gas Adsorption Concentration part,
Parsing regeneration is carried out to the adsorbent material in it, the parsing exhaust gas after parsing enters back into heat exchanger 13 and carries out next circulation；
The recycling and administration for the exhaust gas that component is single, concentration is higher as it can be seen that this programme realizes；And heat exchanger 13 is arranged
In the upstream of condenser 12, parsing exhaust gas to be cooled is pre-chilled by heat exchange, improves the efficiency of cooling liquid.
Preferably, carrier gas mechanism is nitrogen mechanism, that is, employ nitrogen as carrier gas, with stable excellent of chemical characteristic
Point not only can be used as the clean gas of resolution phase, but also can interfere to avoid other are introduced.Correspondingly, carrier gas mechanism includes nitrogen processed
Machine and nitrogen storage tank 16, structure is referred to shown in Fig. 1.
In the present embodiment, it further includes electric heater 9, the air intake of the electric heater 9 that part is administered in exhaust gas parsing condensation
It is connected to the low temperature locellus gas outlet of heat exchanger 13, gas outlet is connected to the parsing entrance of exhaust gas Adsorption Concentration part, knot
Structure is referred to shown in Fig. 1.Heat exchanger 13 is internally provided with high temperature locellus and low temperature locellus, and high temperature locellus recycles high concentration parsing
Then the heat of exhaust gas transfers heat to low temperature locellus using heat exchange, so that low temperature locellus keeps certain temperature, in turn
Play the role of preheating to the clean gas for flowing through low temperature locellus.Electric heater 9 is connect with the low temperature subchamber outlet of heat exchanger 13, just
In the further supplementary heating of resolution gas that 9 pairs of electric heater preheat, it is ensured that resolution gas reaches the resolution temperature requirement of adsorbent material.
Specifically, being provided with temperature detecting element in electric heater 9, heating power is adjusted according to temperature feedback in real time, guarantees parsing temperature
Degree works in the normal range.
Specifically, it further includes adsorbing auxiliary tank 10 that part is administered in exhaust gas parsing condensation, the absorption entrance of the auxiliary tank 10 of the absorption connects
It is connected to the gas outlet of condenser 12, absorption outlet is connected to the low temperature air intake of heat exchanger 13, and structure is referred to Fig. 1 institute
Show；It is remaining organic in the parsing exhaust gas after cooling liquid for thoroughly adsorbing so as to form the absorption access for adsorbing auxiliary tank 10
Compound；
In order to advanced optimize above-mentioned technical solution, the parsing entrance for adsorbing auxiliary tank 10 is connected to going out for electric heater 9
Port, parsing outlet are connected to the high temperature air intake of heat exchanger 13, and carrier gas inlet is connected to the gas outlet of carrier gas mechanism；The company
It connects as the parsing access for adsorbing auxiliary tank 10, realizes the parsing function of adsorbing auxiliary tank 10.
In the present embodiment, it further includes hydrops slot 15 that part is administered in exhaust gas parsing condensation, and the inlet of the hydrops slot 15 connects
It is connected to the leakage fluid dram of condenser 12, gas outlet is connected to the air intake of condenser 12, and structure is referred to shown in Fig. 1.Parsing
The organic compound of cooling liquid is back in hydrops slot 15 by the leakage fluid dram of condenser 12 in exhaust gas.For institute in phegma
The parsing exhaust gas of carrying, the gas outlet by the way that 15 top of hydrops slot is arranged in are drained to exhaust gas is parsed in condenser 12, are convenient for
Re-start condensation liquefaction processing.In addition, being equipped with level monitoring element in hydrops slot 15, the automatic liquid level for detecting recovered liquid is high
Degree, when liquid level reaches setting value, provides drain signal, and maintenance personnel is notified to collect recovered liquid.
Specifically, it further includes water cooler 14, the liquid outlet connection of the water cooler 14 that part is administered in exhaust gas parsing condensation
In the coolant inlet of condenser 12, liquid return hole is connected to the cooling liquid outlet of condenser 12, and structure is referred to Fig. 1 institute
Show.Water cooler 14 is that condenser 12 provides refrigerant, meets the work requirements of condenser 12.Cooling water can be selected in coolant liquid
Or coolant, when condensation temperature requires 2 DEG C or less, preferably coolant is as coolant liquid；When condensation temperature requires 3 DEG C or more
When, cooling water can be selected as coolant liquid；The flow direction of coolant liquid and contrary, the formation convection current of condensing gas, Ke Yichong
Divide and is condensed using the temperature difference of coolant liquid.
Preferably, exhaust gas preprocessing part includes sequentially connected vertical spray tower 2 and demisting deduster 3.Its structure
It is referred to shown in Fig. 1.Vertical spray tower 2 is connect using the spray mode of vertical convection current so that spray liquid forms adverse current with exhaust gas
Touching, it is ensured that spray liquid fully absorbs dust and greasy dirt in exhaust gas.In addition, selecting different acid according to the difference of the composition of exhaust gas
The spray liquid of alkalinity is pocessed.Dedusting demister 3 includes demister and filter, and demister is carried for eliminating spray process
The steam to come over, filter are used to consider the dust and greasy dirt left except spray process.Preferably, demister selects board-like demisting
Dehumidification efficiency is improved in device, enlarged contact face.Filter selects efficient bag filter, can large capacity, and more effectively filter useless
Remaining dust and greasy dirt in gas.Certainly part dedusting again can also such as be sprayed using other cancellations.
In order to advanced optimize above-mentioned technical solution, exhaust gas Adsorption Concentration part includes the absorbing unit of multiple parallel connections.
It is required according to system process, using multiple primary spare working methods, i.e., multiple absorbing unit absorption, an absorption are single
Member is spare.Each absorbing unit is by the way of in parallel, it is ensured that independent operating.When the adsorbent material adsorption saturation of absorbing unit
Afterwards, switched by pipe valve, so that the absorbing unit of saturation is switched to parsing circuit, it is dense that spare absorbing unit switches to absorption
Draw road.Each absorbing unit successively carries out the cyclic process of Adsorption Concentration-parsing condensation-Adsorption Concentration again.In this programme
Exhaust gas Adsorption Concentration part includes the first absorbing unit 6, the second absorbing unit 7 and third absorbing unit 8, and can satisfy production needs
It asks, and simplifies production equipment.Its structure is referred to shown in Fig. 1.Wherein, 7 conduct of the first absorbing unit 6 and the second absorbing unit
Primary absorbing unit, third absorbing unit 8 is as spare absorbing unit.
Adsorbent material requires have stronger absorption property to the organic compound in exhaust gas, guarantees the exhaust gas after absorption
Qualified discharge.Meanwhile adsorbent material also has parsing power of regeneration, to realize that absorption-parsing-of adsorbent material adsorbed again follows
Ring governance process.In addition, adsorbent material selects material according to the specific composition of exhaust gas, guarantee the treatment effeciency of system.As excellent
Choosing, the adsorbent material of absorbing unit include Carbon fibe inorganic composite materials or Carbon fiber filter element material, the spy with high reliablity
Point.
In the present embodiment, absorbing unit is provided with carrier gas inlet, absorption entrance, parsing entrance, absorption outlet and parsing
Outlet, and each entrance is provided with autocontrol valve, it can be achieved that controlling respectively, works independently.In order to illustrate vividerly,
Here using the first absorbing unit 6 as object is illustrated, other absorbing units and the structure having the same of the first absorbing unit 6 are special
Sign, not repeat, structure is referred to shown in Fig. 2 here.First absorbing unit 6 is provided with nitrogen inlet valve 61, is absorbed into
Mouth valve 62, absorption outlet valve 66, parsing inlet valve 63 and parsing outlet valve 68.When absorbing unit carries out absorption phase, inhale
Attached inlet valve 62 and absorption outlet valve 66 are opened, other valves are turned off, and exhaust gas is bottom-up to pass through suction inside absorbing unit
Enclosure material, waste gas components are adsorbed material absorption and administer.When absorbing unit carries out resolution phase, first to absorbing unit and solution
Analysis pipeline is cleaned, at this point, nitrogen inlet valve 61 and nitrogen parsing inlet valve 63 are opened, other valves are closed, and nitrogen enters
It in absorbing unit, is cleaned, cleaning absorbing unit and the air and waste gas parsed in pipeline remain；It cleans the time and absorption is single
First volume is related with nitrogen flow rate；After the completion of cleaning, start to carry out absorbing unit parsing, at this point, analysis gas inlet valve 63 is conciliate
Gassing outlet valve 68 is opened, other valves are closed, and resolution gas analytically gas inlet valve 63 is bottom-up right in absorbing unit
Adsorbent material carries out reverse resolution, and exhaust gas after parsing by analytical gas outlet valve 68 is discharged into parsing pipeline, and to carry out subsequent gases cold
Solidifying recycling.
Specifically, condenser 12 includes the condensing unit of multi-stage series, to improve condensation efficiency.Primary condensation can be divided into
Device, interconderser, whole grade condenser；It is selected according to the temperature difference before and after waste gas condensation.
This programme is described further combined with specific embodiments below:
A kind of pretreatment of exhaust gas and concentration condensing recovery governing system, comprising: exhaust gas preprocessing part, exhaust gas Adsorption Concentration
Part is administered in part and exhaust gas parsing condensation；
The exhaust gas preprocessing part: including vertical spray tower, dedusting demister, using vertical spray tower, spray liquid with
Exhaust gas counter current contact, fully absorbs, and removes dust and greasy dirt in exhaust gas；Demisting deduster is entered back into later, in dedusting demisting
Demisting dedusting, the exhaust gas moisture after demisting removal spray are carried out inside device, dedusting removes remaining dust greasy dirt, avoids its entrance
Subsequent technique influences system operation.
Specifically, the vertical spray tower is equipped with multi-stage spray, spray piping is equipped with automatic valve, real by automatically controlling
It is now automatically replenished, drains；Spray column uses the spray mode of vertical convection current, spray liquid and exhaust gas counter current contacting, fully absorbs；Together
When, according to the composition of exhaust gas, it can choose the acid-base property of spray liquid.Dust and greasy dirt can be absorbed using spray washing；
The dedusting demister filters out the water in exhaust gas by the way of board-like demister+efficient bag filter
Vapour leaves dust greasy dirt；It is miscellaneous that board-like demister can handle extra steam, high efficiency particulate air filter filters the dust that spray is left
Matter；
The board-like demister and efficient bag filter, inlet and outlet are respectively arranged with pressure detecting element, pass through pressure
Power detecting element monitors the working condition of dedusting demister on-line, provides superpressure signal, and service personnel is notified to carry out filter material replacement.
Exhaust gas Adsorption Concentration part: the absorbing unit including multiple autonomous workings carries out Adsorption Concentration to exhaust gas, inhales
Clean gas qualified discharge after attached.Each absorbing unit is equipped with multiple inlet and outlet, and each inlet and outlet are respectively equipped with automatic valve,
It can be achieved to control respectively, work independently.
The absorbing unit, using the absorption property Adsorption Concentration waste gas components of adsorbent material, the exhaust gas after adsorbing reaches
Mark discharge.Adsorbent material is selected according to the specific composition of exhaust gas, guarantees the treatment effeciency of system.
The absorbing unit, requires according to system process, using the working method of " multi-purpose one is standby ", i.e., multiple absorbing units
Absorption, an absorbing unit are spare, after the adsorbent material in absorbing unit is saturated, are switched by pipe valve, make saturation
Absorbing unit switches to parsing regenerative circuit, and spare absorbing unit switches to Adsorption Concentration pipeline；Each absorbing unit is successively
Carry out the cyclic process of Adsorption Concentration-parsing condensation-Adsorption Concentration again；It is worked by automatic valve auto-changeover control, mutually not
It influences；
Temperature detecting element and pressure detecting element, real-time detection absorbing unit internal temperature are equipped in the absorbing unit
And pressure carries out on-line tuning by automatic control system, guarantees the reliable fortune of system when temperature exceeds normal working temperature
Row.
Part is administered in the exhaust gas parsing condensation: including heat exchanger, multi-stage condensing device, electric heater, nitrogen making machine and nitrogen
Storage tank, water cooler, hydrops slot etc.；First using heat exchanger recycling parsing waste-gas heat, then carried out using multi-stage condensing device
Waste gas condensation recycling, from hydrops slot is drained into, the exhaust gas after condensation passes through pipeline again and enters suction the recovered liquid after condensing
Attached auxiliary tank carries out residual gas absorption, and clean resolution gas is obtained after absorbing, and clean resolution gas recycles heat using heat exchanger
Preheating, by electric heater supplementary heating to resolution temperature after preheating, finally, high temperature resolution gas enters absorbing unit, to absorption
The adsorbent material surface exhaust gas of unit is parsed, parsing exhaust gas obtained after parsing using heat exchanger, and so on, complete
Exhaust gas parsing condensation is administered.
Specifically, the heat exchanger, selects the mode of locellus plate-type heat-exchange, heat exchange efficiency is high；The high temperature locellus of heat exchanger
It is connected with parsing exhaust gas；Heat exchanger low temperature locellus and condensed clean gas phase connect；Extra heat is recycled, it is energy saving；
The multi-stage condensing device, be by two-stage or more than condenser tandem working, primary condenser, intermediate cold can be divided into
Condenser, whole grade condenser；It is selected according to the temperature difference before and after waste gas condensation；
Cooling water or coolant can be selected in the condenser, coolant liquid, preferably cold when condensation temperature requires 2 DEG C or less
But agent is as coolant liquid；When condensation temperature requires 3 DEG C or more, cooling water can be selected as coolant liquid；The flowing side of coolant liquid
To contrary with condensing gas, convection current is formed, the temperature difference of coolant liquid can be made full use of to be condensed；
The electric heater is connected with heat exchanger low temperature subchamber outlet, and the resolution gas after heat exchanging carries out supplementary heating,
Resolution gas is set to reach the resolution temperature of adsorbent material；Temperature detecting element, real-time inspection and control heating are provided in electric heater
Power guarantees that resolution temperature works in the normal range；
The nitrogen making machine and nitrogen storage tank provide the source nitrogen of high-purity for system, guarantee the temperature of nitrogen resolution gas；
The water cooler provides cooling water for condenser, guarantees the normal work of condenser；
The hydrops slot, is recycled the withdrawal liquid after condensation；Level monitoring element is equipped in hydrops slot,
The liquid level of automatic detection recovered liquid provides drain signal when liquid level reaches setting value, and maintenance personnel is notified to collect recycling
Liquid.
Specifically, such as Fig. 1, this system can be divided into two stages according to process flow, it may be assumed that rank is administered in exhaust gas pretreatment absorption
Section and exhaust gas parse the condensing recovery stage；Wherein, the exhaust gas pretreatment absorption improvement stage mainly by exhaust gas preprocessing part and gives up
The attached concentrating part composition of aspiration.
The exhaust gas pretreatment absorption improvement stage: exhaust gas passes through collection device, and under the action of breeze fan 1, entrance is vertical
Spray column 2, inside vertical spray tower 2, spray liquid and exhaust gas form counter current contact, fully absorb chalk dust removing and greasy dirt；Through
Exhaust gas after spray enters demisting deduster 3, through board-like demister and high efficiency particulate air filter, removal inside dedusting demister 3
Steam and residual dust in exhaust gas；Exhaust gas after pretreated is adsorbed using absorbing unit 6, absorbing unit 7, this
When, absorbing unit 8 is spare；Clean gas after adsorbing through absorbing unit is directly over the effect of main technique blower 5, introduces clean
4 high altitude discharge of gas blowdown stack；
Exhaust gas parses the condensing recovery stage: reaching saturation after adsorbent material adsorbs a period of time, is needed at this time to absorption
The adsorbent material of unit carries out dissection process.Firstly, generating nitrogen to be resolved first using nitrogen making machine and nitrogen storage tank 16
Absorbing unit 6 (by taking the first absorbing unit 6 as an example) and parsing condenser pipe carry out nitrogen purging, and remaining gas is discharged, is filled
Full nitrogen；Then, under the action of parsing blower 11, resolution gas (nitrogen) first passes through heat exchanger 13 and changes with gas clean after condensation
Heat recycles heat；Later, entering multi-stage condensing device 12, Multi-stage cooling condensation is carried out in multi-stage condensing device 12, is condensed out
Condensate liquid pass through pipeline flow into hydrops slot 15；Parsing exhaust gas after condensation bears a small amount of exhaust gas of residual, then through adsorbing auxiliary tank 10
It is thoroughly adsorbed, thoroughly the clean resolution gas after absorption is sent into heat exchanger 13 through the parsing pressurization of blower 11, thick with parsing
High Temperature Gas exchange heat, recycle the energy；Resolution gas after heat exchange heating carries out supplementary heating using electric heater 9, adds
After heat to parsing optimum temperature, into absorbing unit 6, parsing regeneration is carried out to the adsorbent material in absorbing unit 6, after parsing
Parsing exhaust gas enters back into heat exchanger 13 and carries out next circulation；
For further above-mentioned technical proposal, the exhaust gas pretreatment absorption improvement stage, 2 inside spray liquid of vertical spray tower with
Exhaust gas selects the mode of convection current, and specifically spray liquid sprays from up to down, and exhaust gas is bottom-up；Counter current contacting is fully absorbed and is controlled
Manage dust and greasy dirt；It is equipped with board-like demister and efficient bag filter inside demisting deduster 3, and is equipped with pressure detecting member
Part, the resistance of real-time monitoring board-like demister and bag filter, automatic alarm when blocking superpressure notify maintenance personnel to replace；
Each absorbing unit (the first absorbing unit 6, the second absorbing unit 7, third absorbing unit 8 etc.) be respectively provided with it is multiple from
Movable valve, each automatic valve can be with independent controls；Specifically, adsorbing inlet valve 62 when absorbing unit carries out absorption phase
It is opened with absorption outlet valve 66, other valves are turned off, and exhaust gas is bottom-up by adsorbent material inside absorbing unit, are given up
Gas composition is adsorbed material absorption and administers.When absorbing unit carry out resolution phase when, first to absorbing unit and parsing pipeline into
Row cleans, at this point, nitrogen inlet valve 61 and nitrogen parsing inlet valve 63 are opened, other valves are closed, and nitrogen enters absorbing unit
It is interior, it is cleaned, cleaning absorbing unit and the air and waste gas parsed in pipeline remain；Clean time and absorbing unit volume and
Nitrogen flow rate is related；After the completion of cleaning, start to carry out absorbing unit parsing, at this point, analysis gas inlet valve 63 and analytical gas outlet
Valve 68 is opened, other valves are closed, and resolution gas analytically gas inlet valve 63 is bottom-up to adsorbent material in absorbing unit
Reverse resolution is carried out, the exhaust gas after parsing is discharged into parsing pipeline by analytical gas outlet valve 68 and carries out subsequent gases condensing recovery.
For further above-mentioned technical proposal, absorbing unit further includes head temperature detecting element 64, pressure detecting element
65 and bottom temp detecting element 67, pass through the temperature conditions and pressure inside temperature detecting element real-time monitoring absorbing unit
Power situation；In resolving, when absorbing unit internal temperature is more than the first setting value, it is first shut off electric heater, reduces solution
Gassing temperature, at this time if still overtemperature to the second setting value when, system directly close parsing blower 11, open nitrogen inlet valve
61 pairs of absorbing units carry out cooling processing.
All pipelines of this system are equipped with automatic valve, and overall process Automatic Detection and Control is artificial to participate in few, the degree of automation
It is high.
In conclusion the utility model embodiment discloses a kind of pretreatment of exhaust gas and concentration condensing recovery governing system,
By spray, demisting, filtering in the way of dust, the greasy dirt in exhaust gas are pre-processed, recycle adsorbent material to useless later
Gas carries out Adsorption Concentration, the exhaust gas qualified discharge after Adsorption Concentration；After adsorbent material absorption a period of time close saturation, then
Adsorbent material is parsed using resolution gas, the high-concentration waste gas after parsing enter heat exchange condensation phase cool down it is cold
Solidifying, the exhaust gas after condensing is changed into liquids recovery recycling.Whole system includes exhaust gas preprocessing part, exhaust gas Adsorption Concentration
Partially and part is administered in exhaust gas parsing condensation and PLC controls operating system；Wherein, exhaust gas preprocessing part includes vertical
Spray column, dedusting demister degrease, the impurity such as dust；Exhaust gas Adsorption Concentration part includes multiple adsorption tanks units, each
Adsorption tanks unit is controlled by valve, is worked independently；It mainly includes gas-gas heat exchanger, multistage that part is administered in exhaust gas parsing condensation
Condenser, parsing blower and electric heater etc.；PLC controls operating system and carries out real-time control to equipment, and reduction easy to operate misses
Operation.
Its main innovation point has:
1, concentration adsorbent material selects all kinds of adsorbent materials that can adsorb organic exhaust gas, while material has parsing regeneration
Ability, preferably Carbon fibe inorganic composite materials or Carbon fibe material filter element；
2, the exhaust gas that the exhaust gas of low concentration is converted to high concentration by being concentrated greatly improves condensation efficiency, reduction processing
Cost；
3, parse condensation phase: gas is exchanged heat in gas-gas heat exchanger, recycles heat, and degree saves energy to greatest extent
Source；
4, condenser selects the concatenated mode of multi-stage condensing device, coolant liquid and exhaust gas heat convection, improves condensation efficiency, drop
Exhaust gas temperature after low condensation；
5, exhaust gas Adsorption Concentration part is worked independently using multiple adsorption tanks, guarantees not interfereing with each other in work, and solving
In analysis, it can also guarantee that only one adsorption tanks is carrying out solution resolving in each circulation, other adsorption tanks continue exhaust gas
Concentration absorption is carried out, so that whole equipment be made to continue to carry out " exhaust gas Adsorption Concentration+parsing " process, then realizes the one of equipment
Change operation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of exhaust gas pretreatment and concentration condensing recovery governing system, which is characterized in that including exhaust gas preprocessing part, exhaust gas
Part is administered in Adsorption Concentration part and exhaust gas parsing condensation；
It includes carrier gas mechanism, condenser (12) and heat exchanger (13) that part is administered in the exhaust gas parsing condensation；
The gas outlet of the carrier gas mechanism is connected to the carrier gas inlet of exhaust gas Adsorption Concentration part, the exhaust gas Adsorption Concentration
Partial parsing outlet is connected to the high temperature air intake of the heat exchanger (13), the high temperature gas outlet of the heat exchanger (13)
It is connected to the air intake of the condenser (12), the gas outlet of the condenser (12) is connected to the low of the heat exchanger (13)
The low temperature gas outlet of warm air intake, the heat exchanger (13) is connected to the parsing entrance of exhaust gas Adsorption Concentration part；
The gas outlet of the exhaust gas preprocessing part is connect with the absorption entrance of exhaust gas Adsorption Concentration part.
2. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
It further includes electric heater (9) that part is administered in parsing condensation, and the air intake of the electric heater (9) is connected to the heat exchanger
(13) low temperature gas outlet, gas outlet are connected to the parsing entrance of exhaust gas Adsorption Concentration part.
3. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
It further includes adsorbing auxiliary tank (10) that part is administered in parsing condensation, and the absorption entrance of the auxiliary tank (10) of absorption is connected to the condenser
(12) gas outlet, absorption outlet are connected to the low temperature air intake of the heat exchanger (13).
4. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
It further includes hydrops slot (15) that part is administered in parsing condensation, and the inlet of the hydrops slot (15) is connected to the condenser (12)
Leakage fluid dram, gas outlet are connected to the air intake of the condenser (12).
5. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
It further includes water cooler (14) that part is administered in parsing condensation, and the liquid outlet of the water cooler (14) is connected to the condenser
(12) coolant inlet, liquid return hole are connected to the cooling liquid outlet of the condenser (12).
6. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
Preprocessing part includes sequentially connected vertical spray tower (2) and demisting deduster (3).
7. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that the exhaust gas
Adsorption Concentration part includes the absorbing unit of multiple parallel connections.
8. exhaust gas pretreatment according to claim 7 and concentration condensing recovery governing system, which is characterized in that the absorption
The adsorbent material of unit includes Carbon fibe inorganic composite materials or Carbon fiber filter element material.
9. exhaust gas pretreatment according to claim 7 and concentration condensing recovery governing system, which is characterized in that the absorption
Unit is provided with carrier gas inlet, absorption entrance, parsing entrance, absorption outlet and parses mouth, and each entrance is respectively provided with
There is autocontrol valve.
10. exhaust gas pretreatment according to claim 1 and concentration condensing recovery governing system, which is characterized in that described cold
Condenser (12) includes the condensing unit of multi-stage series.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619217A (en) * | 2019-10-09 | 2021-04-09 | 苏州微木智能系统有限公司 | Fluid filtering system of mass spectrometry equipment, mass spectrometry equipment and regeneration and use method |
| CN114100348A (en) * | 2021-11-26 | 2022-03-01 | 江苏科威环保技术有限公司 | Integrated treatment system for refining and chemical waste gas |
| CN117797510A (en) * | 2024-01-10 | 2024-04-02 | 科扬环境科技有限责任公司 | Control method and device for organic waste gas recovery device |
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2018
- 2018-12-28 CN CN201822236080.7U patent/CN209317364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619217A (en) * | 2019-10-09 | 2021-04-09 | 苏州微木智能系统有限公司 | Fluid filtering system of mass spectrometry equipment, mass spectrometry equipment and regeneration and use method |
| CN114100348A (en) * | 2021-11-26 | 2022-03-01 | 江苏科威环保技术有限公司 | Integrated treatment system for refining and chemical waste gas |
| CN117797510A (en) * | 2024-01-10 | 2024-04-02 | 科扬环境科技有限责任公司 | Control method and device for organic waste gas recovery device |
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