CN106422649A - Integrated laboratory mixed waste gas purification device and purification method - Google Patents
Integrated laboratory mixed waste gas purification device and purification method Download PDFInfo
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- CN106422649A CN106422649A CN201611107598.XA CN201611107598A CN106422649A CN 106422649 A CN106422649 A CN 106422649A CN 201611107598 A CN201611107598 A CN 201611107598A CN 106422649 A CN106422649 A CN 106422649A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an integrated laboratory mixed waste gas purification device and a purification method, and belongs to the field of environmental pollution control. A gas inlet pipeline is arranged at the bottom of an absorption tower body, an exhaust pipeline is arranged at the top of the absorption tower body, an adsorption unit, a spray unit and a packing unit are sequentially arranged inside the absorption tower body from top to bottom, the adsorption unit comprises an adsorption supporting plate and an adsorption filter cartridge mounted on the adsorption supporting plate, the adsorption filter cartridge is arranged along the height direction of the absorption tower body, filter cartridge air holes are formed in the wall of the adsorption filter cartridge and are airflow circulating channels, and adsorption materials are winded outside the adsorption filter cartridge. The pollutant absorption process and the adsorption process of waste gas are integrated, various pollutants can be simultaneously purified, so that the size, the occupied area and the manufacturing and operating cost of the device are reduced, and the treatment efficiency of the laboratory waste gas is improved.
Description
Technical field
The present invention relates to waste gas purification field, in particular, is related to a kind of laboratory mix waste gas integrated purifying and sets
Standby and purification method.
Background technology
With the aggravation of environmental pollution, people extremely pay close attention to the exhaust-gas treatment of large-scale industrial production, but often ignore
Laboratory exhaust gas are processed.The waste gas of research institutions' laboratory discharge is free on environmental protection edge, most of research institutions always
Laboratory exhaust gas are all without any process, direct high altitude discharge；But due to experiment, the needs of research and development, particularly with regard to chemistry
The experiment that product are used, often produces substantial amounts of volatility waste gas, and the such as inorganic matters such as hydrogen sulfide, hydrogen chloride, methanol, toluene etc. has
Machine thing.Although laboratory exhaust gas discharge capacity is less, certain control measure are not taken, it will to environment and the sky of school's periphery
Makings amount causes very big impact.
And, standardized industrial flow is different from, the species of pollutant and concentration contained by laboratory exhaust gas are often more
Sample and difficult survey is added, some chemical substances with specific toxicity is more likely produced, with serious potential danger.Laboratory
Waste gas typically has several features as follows：Species is complicated, fluctuation of concentration is big, intermittent discharge.The country is also without a set of maturation at present
Waste gas purification apparatus for laboratory experiment process discharge.According to investigation, the colleges and universities for taking control measure are general all simple
With absorption or activated carbon adsorption, not only clean-up effect is poor, and system operation is very unstable.
Through retrieval, the existing technical scheme that first closes is disclosed.For example, innovation and creation is entitled：Organic refuse fermentation is purified
Device (the patent No.：ZL201520800022.6, the applying date：2015.10.17), which includes purification pot and air-introduced machine, air-introduced machine and
Purification pot is connected by pipe flange, and the inlet duct of air-introduced machine is connected with fermentation system, is absorbed useless produced by fermentation system
Gas is simultaneously transported in purification pot, and there is plant solution the bottom of purification pot, and its open top is provided with outlet conduit, in purification pot
Porous material filter layer, porous adsorption layer and ultraviolet sterilizer are inside disposed with from bottom to top, and in porous material mistake
Atomizer is provided between filtering layer and porous adsorption layer, and atomizer connects circulated sprinkling pipeline, the bottom of circulated sprinkling pipeline
End is placed in purification pot bottom and is dipped in plant solution, is provided with circulating pump on circulated sprinkling pipeline.Although this application case has
The process effect of multi-pollutant, but as the treatment conditions in different processing procedures differ greatly, cause going for pollutant
Except less efficient.
Additionally, innovation and creation is entitled：Spray and the glycol adsorption method combined exhaust gas purification device (patent No.：
ZL200920158702.7, the applying date：2009.06.04), the bottom of its casing is provided with air inlet and liquid bath, air inlet and liquid bath
Connection, is provided with filler webmaster on bottom grating, is provided with packing ring on the grating of middle level, be provided with gear on top layer grating
Water plate, is provided with adsorption layer above water fender, adsorption layer is connected with the air outlet of casing top, sets below the grating of middle level
There is the first spray nozzle, the second spray nozzle being provided with below top layer grating, the first spray nozzle and the second spray nozzle pass through pipeline
Connect in liquid pump.Which has, and mass transfer force is powerful, the high advantage of purification efficiency.
Due to the pollutant component complexity of laboratory exhaust gas, single absorption process is difficult to effectively remove pollutant, therefore
Generally require using multiple waste gas treatment process during treatment of laboratory waste gas；But, in different processing procedures
Treatment conditions differ greatly, the effective process of laboratory exhaust gas to be realized, and certainly will will carry out many mistakes using multiple equipment to waste gas
Journey is processed, and therefore waste gas treatment equipment often takes larger space.However, as lab space is limited, be difficult to again while
Multiple waste gas treatment equipments are installed, therefore, existing cleaning equipment is difficult to be effectively treated the waste gas of laboratory；Need badly open
Send out and a kind of exhaust gas integration cleaning equipment with many process control is designed, so that the waste gas of scientific research institutions is obtained effectively
Process.
Content of the invention
1. invention technical problem to be solved
For the problem that cleaning equipment of the prior art is difficult to be effectively treated the waste gas of laboratory, one kind is provided
Laboratory mix waste gas integrated purifying equipment and purification method, by integrated purifying equipment, can be carried out to multiple pollutant
While purifying, the floor space of equipment can also be reduced further, and the treatment effeciency of laboratory exhaust gas can be improved.
2. technical scheme
A kind of laboratory mix waste gas integrated purifying equipment of the present invention, including absorption tower body, absorbing unit, spray
Unit and filler unit；Described absorption tower body bottom portion is provided with admission line, and absorption tower bodies top is provided with exhaustor
Road, described absorbing unit, spray unit and filler unit are from top to bottom set in turn in absorption tower body interior；Wherein adsorb
Unit includes adsorbent support plate and absorption filter cylinder, and absorption filter cylinder is installed on adsorbent support plate, and adsorbs filter cylinder along absorption tower
The short transverse arrangement of body, is provided with filter cylinder pore on the described barrel for adsorbing filter cylinder, twines outside described absorption filter cylinder
It is wound with adsorbing material.
Preferably, the relation between absorption filter cylinder height h and absorption filter cylinder diameter d is as follows：
Wherein, Q is for processing exhaust gas flow, m3/s；V is for processing waste gas flow velocity, m/s；D is absorption filter cylinder diameter, m；H is for inhaling
Attached filter cylinder height, m.
Preferably, described adsorbent support plate is fixedly installed in the inner body wall of absorption tower, and adsorbent support edges of boards edge with
Absorption tower inner body wall is tightly connected, and described adsorbent support plate is parallel to the cross section of absorption tower body.
Preferably, the tubular structure that described absorption filter cylinder is closed for one end, the blind end for adsorbing filter cylinder is located at waste gas gas
The weather side of stream.
Preferably, described absorbing unit also includes demister, and described demister is arranged at adsorbent support plate bottom.
Preferably, also include cleaning mixture cycling element, the cleaning mixture cycling element is connected with spray unit, and cleaning mixture is followed
Ring element is the offer cleaning mixture of spray unit.
Preferably, cleaning mixture cycling element includes circulating pump, cleaning mixture outlet and storage tank, and described storage tank is arranged at
Absorption tower body bottom portion, the cleaning mixture outlet on storage tank is connected with cleaning mixture shower nozzle through circulating pump.
Preferably, the adsorbing material on filter cylinder pore is NACF ACF or activated carbon or zeolite.
Preferably, the top of described absorption filter cylinder is provided with filter cylinder sealing ring.
Using a kind of exhaust gas purifying method of laboratory mix waste gas integrated purifying equipment, its step is：
A, spray unit spray upper cleaning mixture on filler unit, and cleaning mixture is by abundant for filler unit moistening；
B, waste gas enter absorption tower body through admission line, and waste gas is introduced into filler unit, and waste gas is adsorbed with filler unit
Cleaning mixture be fully contacted, the water soluble contaminants in waste gas and the filled unit Adsorption of particulate matter；
C, waste gas move to absorbing unit after removing water soluble contaminants, and waste gas is through adsorbing the filter cylinder pore of filter cylinder through suction
Coupon unit, during waste gas is through cartridge filter pore, the insoluble pollutant in waste gas are fully contacted with adsorbing material, and are inhaled
Enclosure material is adsorbed, and purified gas is discharged by discharge duct.
3. beneficial effect
(1) a kind of laboratory mix waste gas integrated purifying equipment of the present invention, by the packing material absorbing process of pollutant with
Adsorption process is integrated among a cleaning equipment, it is achieved that complete the absorption to exhaust emission in an absorption tower body
With two processes of absorption, wherein absorption process carries out absorption cleaning to water solublity waste gas and particulate matter, and adsorption process is to insoluble
Waste gas purification by adsorbsion, multiple pollutant can be carried out while purify, to substantially increase disposal ability of the cleaning equipment to waste gas,
And improve the treatment effeciency of laboratory exhaust gas；
(2) a kind of laboratory mix waste gas integrated purifying equipment of the present invention, waste gas can be worn on filter cylinder barrel by adsorbing
Cross adsorbing material so that airflow filtering face is changed into the vertical circumferencial direction of absorption filter cylinder barrel, adsorption filtration by horizontal direction
Towards developing in depth and breadth, the filter area in waste gas adsorption process being increased, it is achieved that originally has in vivo on the absorption tower of same internal diameter
There are different waste gas flow velocitys, so as to the absorption of waste gas, absorption process are integrated in an equipment, reduce equipment volume, occupation of land face
Product and manufacture and operating cost, and improve the treatment effeciency of laboratory exhaust gas；
(3) a kind of laboratory mix waste gas integrated purifying equipment of the present invention, absorption filter cartridge moduleization design, absorption filter
Cylinder is to be detachably connected with the connected mode of installing hole so that the absorption filter cylinder volume of absorbing unit, quality are less, are convenient for changing
Absorption filter cylinder；
(4) purification method of the present invention, by process integrated to packing material absorbing process and the adsorption process of pollutant
In, remove while so as to complete waste gas soluble pollutants and insoluble pollutant in one step, substantially increase useless
The treatment effeciency of gas, improves the purification efficiency of waste gas.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is absorption filter cylinder and the adsorbent support plate cooperation schematic diagram of the present invention；
Fig. 3 is the absorption cartridge structure schematic diagram of the present invention；
Fig. 4 is the structural representation of the absorption filter cylinder shaft section of embodiment 1；
Fig. 5 is the structural representation of the absorption filter cylinder shaft section of embodiment 5.
Label declaration in schematic diagram：
10th, absorption tower body；11st, discharge duct；12nd, admission line；13rd, tower base；14th, absorption tower end socket；15th, overhaul
Hole；
20th, absorbing unit；21st, adsorbent support plate；22nd, adsorb filter cylinder；221st, filter cylinder sealing ring；222nd, filter cylinder handle；
223rd, filter cylinder pore；23rd, demister；
30th, spray unit；31st, cleaning mixture shower nozzle；
40th, filler unit；41st, packing support part；42nd, dry load；
50th, cleaning mixture cycling element；51st, circulating pump；52nd, cleaning mixture outlet；53rd, storage tank.
Specific embodiment
Hereafter accompanying drawing with reference to the detailed description of the exemplary embodiment of the present invention, the accompanying drawing forms of description
Point, show the enforceable exemplary embodiment of the present invention in the figure as an example.Although these exemplary embodiment quilts
Fully describe in detail so that those skilled in the art can implement the present invention, it is to be understood that can achieve other embodiment and
Can to the present invention, various changes can be made without departing from the spirit and scope of the present invention.Hereafter to embodiments of the invention
More detailed description is not limited to required the scope of the present invention, and right just to being illustrated and not limiting
The description of the feature and feature of the present invention, to propose to execute the best mode of the present invention, and is sufficient so that those skilled in the art
The present invention can be implemented.Therefore, the scope of the invention is only defined by the appended claims.
Hereafter detailed description of the present invention and example embodiment can combine accompanying drawing to more fully understand, wherein the present invention
Element and feature are identified by reference.
Embodiment 1
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of laboratory mix waste gas integrated purifying equipment of the present invention, bag
Include absorption tower body 10, absorbing unit 20, spray unit 30 and filler unit 40；Above-mentioned absorption tower body 10 is vertically-mounted
Cylindrical structure, body 10 bottom in absorption tower is installed on laboratory roof or the ground around laboratory by tower base 13
On, or on other mounting platforms.Body 10 bottom in absorption tower is provided with admission line 12, and the admission line 12 is arranged at absorption
On the side wall of tower body 10, admission line 12 is used for the waste gas being cleaned to be introduced in absorption tower body 10.
Body 10 top in absorption tower is provided with discharge duct 11, and discharge duct 11 is used for discharging clean air, aerofluxuss
Pipeline 11 is connected with absorption tower body 10 by absorption tower end socket 14, and absorption tower end socket 14 is circular arc.Above-mentioned exhaustor
The inside of the absorption tower body 10 between road 11 and admission line 12, is from top to bottom disposed with absorbing unit 20, spray list
Unit 30 and filler unit 40.
Absorbing unit 20 includes adsorbent support plate 21, absorption filter cylinder 22 and demister 23；Described adsorbent support plate 21 is solid
Surely it is arranged on 10 inwall of absorption tower body, and 21 marginal position of adsorbent support plate is connected with absorption tower body 10, and absorption
21 edge of fagging is connected with 10 inner wall sealing of absorption tower body, so as to prevent waste gas by adsorbent support plate 21 and absorption tower body 10
Pass through in the gap of inwall, it is to avoid the removal efficiency of impact waste gas.Adsorbent support plate 21 is transversal parallel to absorption tower body 10
Face, main flow direction of the waste gas in absorption tower body 10 is to be flowed along the short transverse of absorption tower body 10 from the bottom to top
Dynamic, therefore adsorbent support plate 21 is perpendicular to the flow direction of air-flow.The installation of regular hexagon array is offered on adsorbent support plate 21
Hole, absorption filter cylinder 22 is installed on adsorbent support plate 21, it is achieved thereby that absorption filter cylinder 22 is installed on by regular hexagon array
On adsorbent support plate 21, adsorb 22 modularized design of filter cylinder so that 22 volume of absorption filter cylinder of absorbing unit 20, quality are less,
And it is convenient for changing absorption filter cylinder 22.
Absorption filter cylinder 22 is one end closing tubular structure (as shown in Figure 4) isometrical up and down, adsorbs the blind end of filter cylinder 22
Positioned at the weather side of off-gas flows, the opening for adsorbing filter cylinder 22 is located at downwind side, as shown in the figure 3, its absorption filter cylinder 22 close
End-blocking is arranged at bottom；And adsorb filter cylinder 22 along the short transverse arrangement of absorption tower body 10, that is, adsorb the length of filter cylinder 22
Direction is parallel with the flow direction of waste gas.During off-gas flows are moved from the bottom to top, off-gas flows impact is in absorption filter cylinder
The sealed end of 22 bottoms, in the presence of absorption 22 sealed end of filter cylinder, air-flow is dispersed to the vertical space between absorption filter cylinder 22.
Absorption 22 top of filter cylinder is provided with filter cylinder sealing ring 221, the installing hole of the filter cylinder sealing ring 221 and above-mentioned adsorbent support plate 21
Match, so as to absorption filter cylinder 22 is seal-installed on adsorbent support plate 21, prevent absorption filter cylinder 22 from producing with adsorbent support plate 21
Raw gap, so as to affect the removal efficiency of waste gas.Absorption 22 top of filter cylinder is provided with filter cylinder handle 222,222 side of the filter cylinder handle
Just absorption filter cylinder 22 is taken out from installing hole, is convenient for changing.Absorption filter cylinder 22 is detachably to connect with the connected mode of installing hole
Connect, it is possible to select threaded, flange the connected mode such as coordinate, be clasped, modularity is equipped with and is convenient for changing.Described
Absorption filter cylinder 22 length direction parallel with exhaust gas flow direction, wherein absorption filter cylinder 22 length direction be adsorb filter cylinder
22 short transverse, filter cylinder pore 223 is used for increasing the filter area of absorption filter cylinder 22.
Filter cylinder pore 223 is provided with the barrel of absorption filter cylinder 22, is wound with adsorbing material, filter cylinder outside absorption filter cylinder 22
The adsorbing material for winding on pore 223 is the NACF ACF of stratiform；Its manufacturer is that Anhui Jia Liqi carbon fiber is limited
Company.Adsorbing material is wrapped up the filter cylinder pore 223 on 22 barrel of filter cylinder is adsorbed, and can be filtered by absorption when waste gas is through adsorbing material
Filter cylinder pore 223 on 22 barrels of cylinder is entered inside absorption filter cylinder 22, and is discharged by the opening of absorption filter cylinder 22；So as to realize
In the absorption tower body 10 of same internal diameter, there are on zones of different section different waste gas flow velocitys.Insoluble pollutant are
Exceed 600, trimethylamine etc., the insoluble pollutant in waste gas effectively can be removed by the adsorbing material of absorbing unit 20.
In filter process, waste gas can be by adsorbing material be passed through on absorption 22 barrel of filter cylinder, absorption filter cylinder 22 causes gas to flow through
Filtering surface is changed into the vertical circumferencial direction of absorption 22 barrel of filter cylinder by horizontal direction, and adsorption filtration is increased towards developing in depth and breadth
Filter area in waste gas adsorption process, total filter area can reach the several times of tower cross-sectional area to ten several times.While saving
Connecting line, reduction equipment take up an area, reduce SR.Single with absorption when absorbing the pollutant in waste gas due to filler unit 40
When the pollutant in waste gas are adsorbed in unit 20, the requirement difference in absorption and adsorption process to airflow filtering speed is very big, therefore,
In traditional concept, it is impossible to which filler unit 40 and absorbing unit 20 are integrated in isometrical absorption tower body 10, and the application
Case has broken the technology prejudice of prior art, it is achieved that in the absorption tower body 10 of same internal diameter, on zones of different section
There are different waste gas flow velocitys, so as to the absorption of waste gas, absorption function are integrated among an equipment, reduce engineering rectifying and improving
Amount and input.And reduce the larger problem of the resistance of cleaning equipment, it is to avoid the problem of the reserved overbottom pressure deficiency of blower fan.
40 absorption process of filler unit and the adsorption process of absorbing unit 20 of prior art be often positioned in two different
Among equipment, and two equipment needs during connection to carry out turning to using bend pipe or expansion pipe, reducing is processed, significantly
The resistance of equipment is increased, and as the adsorption process of 40 absorption process of filler unit and absorbing unit 20 is concentrated on integration
In equipment, effectively reduce the resistance of equipment.
Filler unit 40 includes packing support part 41 and dry load 42, and described packing support part 41 is arranged at suction
Tower body 10 is received, the packing support part 41 is the gripper shoe with loose structure, and be in the bottom of spray unit 30, absorb
The dress of filler 42 is laid on packing support part 41 and forms filler unit 40；Described dry load 42 can be such as screen waviness
The structured packings such as filler, mellapak packing；Or the dumped packing such as Raschig ring, Pall ring, cascade ring, the present embodiment choosing
Screen waviness packings are selected, so as to expanding mass transfer area, strengthening assimilation effect.When absorbing unit 20 is not installed, the present embodiment
Cleaning equipment can be only used as filler unit 40 and absorb exhaust gas apparatus.Inorganic pollution and detergent in 40 waste gas of filler unit
In alkaline solution be fully contacted, so as to the particulate matter in waste gas, water soluble contaminants are removed, wherein described water solublity dirt
Dye thing such as HCl, ethanol etc..Wherein particulate matter can the absorption process of filled unit 40 absorbed.
Demister 23 is arranged at 21 bottom of adsorbent support plate, and in the processing procedure of waste gas, demister 23 can be by waste gas
Bubble removal, so as to avoid bubble to adsorbing the impact of 22 adsorption process of filter cylinder.As water smoke particle diameter is larger, in waste gas through removing
It is retained down by wire mesh demister 23 during foam device 23, and bigger water droplet is formed, water droplet flow to the filler of bottom under gravity
Unit 40.
The 22 height h of absorption filter cylinder of the present embodiment is as follows with the relation between absorption 22 diameter d of filter cylinder：
Wherein Q is for processing exhaust gas flow, m3/s；V is for processing waste gas flow velocity, m/s；D is absorption 22 diameter of filter cylinder, m；H is
22 height of absorption filter cylinder, m；N is the number for adsorbing filter cylinder 22, individual.Wherein v=0.10～0.60m/s；The adsorption material of the present embodiment
Expect for NACF ACF, and model BET2000 type, the rate of filtration for selecting air-flow according to adsorbing material is v=0.15m/
S, Q=10000m in the present embodiment3/ h=2.78m3/ s, d=0.1m.
The internal diameter D=1.2m of absorption tower body 10, thenTake n=31；Then h
=1.42m；The thickness of the adsorbing material for winding on described filter cylinder pore 223 is δ, δ=(0.5～1) v=0.05～0.60m,
Take δ=0.15 × 0.6=0.09m.The thickness in monolayer of wherein adsorbing material is 5mm, then be wound with the barrel of absorption filter cylinder 22
Porosity ζ of filter cylinder pore 223 after 18 layers of NACF ACF, and winding>60%.
Cleaning mixture shower nozzle 31 is provided with the spray unit 30 of the present embodiment, and cleaning mixture shower nozzle 31 is uniformly arranged in filler
The top of unit 40, cleaning mixture shower nozzle 31 uniformly can spray into cleaning mixture to filler unit 40 so that the abundant moistening of cleaning mixture is filled out
Material unit 40, the cleaning mixture of the present embodiment is alkaline solution；Sour gas and water soluble contaminants in waste gas is in filler unit
It is fully contacted with cleaning mixture in 40, and reacts the pollutant removal in waste gas.The present invention is directed to research institutions' laboratory
The feature of waste gas, the items for effectively solving existing abatement equipment using the off-gas cleaning equipment of integration are not enough, ensureing
Various pollutant stably reaching standard discharges in waste gas, and the existing exhaust piping of existing laboratory is made full use of, reduce engineering whole
Change workload and input.
Embodiment 2
The substance of the present embodiment also includes cleaning mixture cycling element 50 with embodiment 1, difference, the cleaning mixture
Cycling element 50 is connected with spray unit 30, and cleaning mixture cycling element 50 is the offer cleaning mixture of spray unit 30.Cleaning mixture
Cycling element 50 includes circulating pump 51, cleaning mixture outlet 52 and storage tank 53, and described storage tank 53 is arranged at absorption tower body
10 bottoms, cleaning mixture is sprayed by spray unit 30, and flow to 10 bottom of absorption tower body by filler unit 40, and storage tank 53 is used for
The cleaning mixture for collecting in 10 bottom of absorption tower body is collected, the cleaning mixture outlet 52 on storage tank 53 is through circulating pump 51 and cleaning mixture
Shower nozzle 31 is connected.The species of described cleaning mixture can select the variety classes liquid such as water, acid solution, alkaline solution respectively according to operating mode
Body, the present embodiment select for alkaline solution so that the alkalescence on acid waste gas in waste gas and water-soluble substanceses and filler surface
Cleaning mixture mass transfer absorbs, reaction, so as to effectively remove the sour gas in waste gas and water soluble contaminants.When cleaning mixture is circulated
When unit 50 does not work, integration apparatus can be used alone as adsorber, i.e., just with absorption pollutant of the filter cylinder 22 to waste gas
Adsorbed.
A kind of exhaust gas purifying method of laboratory mix waste gas integrated purifying equipment of the present embodiment, its step is：
A, spray unit 30 spray upper cleaning mixture on filler unit 40, and cleaning mixture is by abundant for filler unit 40 moistening；
B, 40 absorption process of filler unit, waste gas enters absorption tower body 10 through admission line 12, and waste gas is introduced into filler
Unit 40, the cleaning mixture that waste gas is adsorbed with filler unit 40 is fully contacted, and the water soluble contaminants in waste gas and particulate matter are filled out
40 Adsorption of material unit；During this, cleaning mixture cycling element 50 is continuable provides detergent, washing for spray unit 30
After the completion of agent is to waste gas cleaning, filler unit 40 can be passed through under gravity and flow to 10 bottom of absorption tower body, quilt
The lasting collection of storage tank 53.
C, 20 adsorption process of absorbing unit, waste gas moves to absorbing unit 20 after removing water soluble contaminants, and waste gas is through inhaling
The filter cylinder pore 223 of attached filter cylinder 22 passes through absorbing unit 20, during waste gas is through cartridge filter pore 223, insoluble in waste gas
Contact scar thing is fully contacted with adsorbing material, and adsorbed material is adsorbed.
40 absorption process of filler unit, by 31 Water spray of cleaning mixture shower nozzle, particulate matter is washed drop parcel simultaneously and which
Wrappage bonds to form the larger micelle of proportion, rests on 42 surface of dry load of filler unit 40 or falls into absorption tower bottom
Cyclic water tank, waste gas is during dry load 42, and in waste gas, soluble pollutants are dissolved in cleaning mixture, and cleaning mixture
In solution reaction and remove, insoluble pollutant are then continued up to 20 adsorption process of absorbing unit with air-flow, are adsorbed
Unit 20 expands the adsorption area in adsorption process, so as to reduce the gas motion speed in adsorption process, and causes insoluble
There is absorption retention on sorbent material surface in contact scar thing, so as to realize waste gas purification by adsorbsion process.
Embodiment 3
The substance of the present embodiment is with embodiment 1, and difference is：During maintenance down adsorber, absorption tower is dismantled
End socket 14, is taken out filter cylinder 22 is adsorbed by filter cylinder handle 222, removes the adsorbing material on filter cylinder surface, and the absorption for more renewing
Material, after replacing, new filter cylinder is fixed on original position, then absorption tower end socket 14 is installed on 10 top of absorption tower body.Described
Absorption tower body 10 is additionally provided with manhole 15, and described manhole 15 is used for overhauling absorption tower body 10, opens manhole 15
Absorption tower body 10 is cleared up, the manhole 15 is while can also be used as cleaning mixture, the isoparametric observation port of liquid level.Described
Adsorbing material be the activated carbon of stratiform or zeolite.
The installing hole of rectangular array or circumference array is offered on adsorbent support plate 21, and absorption filter cylinder 22 is installed on absorption
On fagging 21, it is achieved thereby that absorption filter cylinder 22 is installed on adsorbent support by rectangular array or triangular array or circumference array
On plate 21.
Embodiment 4
The substance of the present embodiment is with embodiment 1, and difference is：Described absorption filter cylinder 22 passes through triangle battle array
Row are installed on adsorbent support plate 21, adsorb identical with the quantity of cleaning mixture shower nozzle 31, the described cleaning mixture of the quantity of filter cylinder 22
Shower nozzle 31 is installed on also by triangular array on the cross section of absorption tower body 10, cleaning mixture shower nozzle 31 and absorption filter cylinder 22 1
One is correspondingly arranged, and the axis of cleaning mixture shower nozzle 31 and absorption filter cylinder 22 is on same straight line.Cleaning mixture shower nozzle 31 is again to filling out
During material unit 40 sprays cleaning mixture, cleaning mixture can be uniformly sprayed on filler unit 40 so that soluble gas
Assimilation effect more preferable.
But, further investigation revealed that, cleaning mixture shower nozzle 31 is correspondingly arranged with absorption filter cylinder 22, while improve absorption
Adsorption efficiency of the filter cylinder 22 to Organic substance in waste gas, reason for that is probably process of the cleaning mixture shower nozzle 31 in sprinkling cleaning mixture
In, cleaning mixture may advantageously facilitate the air-flow reasonable layout of waste gas, uniformly be distributed in when promoting gas motion to absorption filter cylinder 22
Around absorption 22 barrel of filter cylinder, and in absorption filter cylinder 22, waste gas is filtered, so as to improve filter effect.Reasonable Arrangement is washed
Liquid shower nozzle 31 is washed, so that the absorption efficiency of the filler unit 40 of 31 bottom of cleaning mixture shower nozzle is improved, this is the conventional thought of this area,
But it is correspondingly arranged with absorption filter cylinder 22 using cleaning mixture shower nozzle 31, to improve the absorption filter cylinder 22 on 31 top of cleaning mixture shower nozzle
Adsorption effect is but that those skilled in the art are difficult to imagine, therefore the design has unobviousness.Move back 10,000 steps to say,
Even if the filter area that adsorption filtration is increased towards developing in depth and breadth in waste gas adsorption process is readily apparent that, but will washing
Liquid shower nozzle 31 is correspondingly arranged with absorption filter cylinder 22 to improve the adsorption treatment efficiency of waste gas, is that those skilled in the art is difficult to
Expect, technical staff is without performing creative labour, it is also not possible to which cleaning mixture shower nozzle 31 is correspondingly arranged with absorption filter cylinder 22
And improve the adsorption efficiency of absorption filter cylinder 22.
Embodiment 5
As shown in figure 5, the substance of the present embodiment is with embodiment 1, difference is：Absorption filter cylinder 22 be with cone
The hollow round table of degree, also as inverted truncated cone-shaped, the shaft section of the absorption filter cylinder 22 is inverted trapezoidal, and adsorbs filter cylinder 22
Upper bottom surface area is less than bottom surface area, wherein d=1/2 × (upper bottom edge+bottom).
In prior art, when the vertical circumference that airflow filtering face is not changed into absorption 22 barrel of filter cylinder by horizontal direction
During direction, absorption filter cylinder 22 more will not be set to truncated cone-shaped by those skilled in the art；Move back 10,000 steps to say, even if technical staff
After spanning the creation of unobviousness, moreover it is possible to absorption filter cylinder 22 is set to truncated cone-shaped, then according to general design
Thinking, in order to allow absorption 22 barrel of filter cylinder have more preferable filter effect to air-flow, existing technical staff will certainly be by round platform
Side be set to come wind direction in face of air-flow, filter cylinder 22 will be adsorbed and be set to truncated cone-shaped, and adsorb 22 upper bottom surface face of filter cylinder
Product is set to inverted truncated cone-shaped more than bottom surface area without adsorbing filter cylinder 22；Because according to general thinking, round platform
Side be set to be more beneficial for and air flow contacts in face of the wind direction of coming of air-flow, and improve the adsorption filtration effect of air-flow.
And the present embodiment breaks the technology prejudice of prior art, absorption filter cylinder 22 is set to inverted truncated cone-shaped (such as
Shown in Fig. 5), during absorption filter cylinder 22 filters waste gas, waste gas can be adsorbed by adsorbing material is passed through on absorption 22 barrel of filter cylinder
Filter cylinder 22 cause airflow filtering face by horizontal direction be changed into absorption 22 barrel of filter cylinder vertical circumferencial direction, adsorption filtration towards
Develop in depth and breadth, increase the filter area in waste gas adsorption process.At the same time, adsorb exhaust emission in absorption filter cylinder 22
During, due to adsorbing the filter area of the filter area more than top of 22 bottom of filter cylinder, through adsorbing after the filtration of 22 barrel of filter cylinder
Waste gas enter absorption filter cylinder 22 in, air-flow upwards move during, due to adsorb filter cylinder 22 cross section area
It is gradually reduced so that the gas in absorption filter cylinder 22 can again pass through adsorbing material, and be contacted with adsorbing material, so as to
Improve the adsorption effect of absorption.
The present invention is described in detail above in conjunction with specific exemplary embodiment.It is understood, however, that can not take off
Various modifications and variations are carried out in the case of the scope of the present invention being defined by the following claims.Detailed description and drawings
Should be to be considered only as illustrative and not restrictive, if there is any such modification and modification, then they all incite somebody to action
Fall in the scope of the present invention described here.Additionally, background technology is intended to Development Status and meaning in order to this technology is described,
It is not intended to limit the application of the present invention or the application and the present invention.
More specifically, although here has been described with the exemplary embodiment of the present invention, but the invention is not limited in
These embodiments, but including those skilled in the art according to above detailed description it can be appreciated that modified, omit,
Any and whole embodiments of (for example between each embodiment) combination, adaptive change and/or replacement.In claim
Limit can be according to used in claim language and widely explained, and be not limited in foregoing detailed description or in reality
The example for describing during applying this application, these examples are considered as nonexcludability.Where method or process claims in office
In any step for the enumerating order that can execute in any order and be not limited to propose in claim.Therefore, the present invention
Scope only should be determined by claims and its legal equivalents, rather than by descriptions and examples given above come
Determine.
Claims (10)
1. a kind of laboratory mix waste gas integrated purifying equipment, it is characterised in that：Including absorption tower body (10), absorbing unit
(20), spray unit (30) and filler unit (40)；Described absorption tower body (10) bottom is provided with admission line (12), inhales
Receive tower body (10) top and be provided with discharge duct (11), described absorbing unit (20), spray unit (30) and filler unit
(40) it is internal that absorption tower body (10) is from top to bottom set in turn in；
Wherein absorbing unit (20) includes adsorbent support plate (21) and absorption filter cylinder (22), and absorption filter cylinder (22) is installed on absorption
On fagging (21), and adsorb filter cylinder (22) and arrange along the short transverse of absorption tower body (10), described absorption filter cylinder (22)
Barrel on be provided with filter cylinder pore (223), is wound with adsorbing material outside described absorption filter cylinder (22).
2. a kind of laboratory mix waste gas integrated purifying equipment according to claim 1, it is characterised in that：Absorption filter cylinder
(22) relation between height h and absorption filter cylinder (22) diameter d is as follows：
Wherein, Q is for processing exhaust gas flow, m3/s；V is for processing waste gas flow velocity, m/s；D is absorption filter cylinder (22) diameter, m；H is for inhaling
Attached filter cylinder (22) highly, m.
3. a kind of laboratory mix waste gas integrated purifying equipment according to claim 1, it is characterised in that：Described suction
Attached gripper shoe (21) are fixedly installed on absorption tower body (10) inwall, and adsorbent support plate (21) edge and absorption tower body
(10) inner wall sealing connection, described adsorbent support plate (21) is parallel to the cross section of absorption tower body (10).
4. a kind of laboratory mix waste gas integrated purifying equipment according to claim 1, it is characterised in that：Described suction
The tubular structure that attached filter cylinder (22) are closed for one end, the blind end for adsorbing filter cylinder 22 is located at the weather side of off-gas flows.
5. a kind of laboratory mix waste gas integrated purifying equipment according to claim 4, it is characterised in that：Described suction
Coupon unit (20) also includes demister (23), and described demister (23) is arranged at adsorbent support plate (21) bottom.
6. a kind of laboratory mix waste gas integrated purifying equipment according to any one of claim 1-5, it is characterised in that：
Also include cleaning mixture cycling element (50), the cleaning mixture cycling element (50) is connected with spray unit (30), and cleaning mixture circulation
Unit (50) is the offer cleaning mixture of spray unit (30).
7. a kind of laboratory mix waste gas integrated purifying equipment according to claim 6, it is characterised in that：Cleaning mixture is followed
Ring element (50) includes circulating pump (51), cleaning mixture outlet (52) and storage tank (53), and described storage tank (53) is arranged at suction
Tower body (10) bottom is received, cleaning mixture outlet (52) on storage tank (53) is through circulating pump (51) and cleaning mixture shower nozzle (31) phase
Even.
8. a kind of laboratory mix waste gas integrated purifying equipment according to claim 7, it is characterised in that：Filter cylinder pore
(223) adsorbing material on is NACF ACF or activated carbon or zeolite.
9. a kind of laboratory mix waste gas integrated purifying equipment according to claim 8, it is characterised in that：Described suction
The top of attached filter cylinder (22) is provided with filter cylinder sealing ring (221).
10. using a kind of exhaust gas purifying method of laboratory mix waste gas integrated purifying equipment of claim 1-9, its step
For：
A, spray unit (30) spray upper cleaning mixture on filler unit (40), and cleaning mixture is by filler unit (40) fully moistening；
B, waste gas enter absorption tower body (10) through admission line (12), and waste gas is introduced into filler unit (40), waste gas and filler
The cleaning mixture that unit (40) adsorbs is fully contacted, and the water soluble contaminants in waste gas and the filled unit of particulate matter (40) absorption are gone
Remove；
C, waste gas move to absorbing unit (20) after removing water soluble contaminants, filter cylinder pore of the waste gas through absorption filter cylinder (22)
(223) absorbing unit (20), during waste gas is through cartridge filter pore (223), the insoluble pollutant in waste gas and suction are passed through
Enclosure material is fully contacted, and adsorbed material is adsorbed, and purified gas is discharged by discharge duct (11).
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| CN201611107598.XA CN106422649A (en) | 2016-12-06 | 2016-12-06 | Integrated laboratory mixed waste gas purification device and purification method |
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| CN201611107598.XA CN106422649A (en) | 2016-12-06 | 2016-12-06 | Integrated laboratory mixed waste gas purification device and purification method |
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| CN113415815A (en) * | 2021-08-10 | 2021-09-21 | 湖南行者环保科技有限公司 | Method for efficiently producing high-purity lithium carbonate |
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Application publication date: 20170222 |