CN206064091U - A kind of catalyzing integrated device of organic exhaust gas adsorption - Google Patents

Abstract

The utility model discloses a kind of catalyzing integrated device of organic exhaust gas adsorption, this device includes defecator, a number activated carbon adsorption case, No. two activated carbon adsorption casees and catalysis burning bed, pending waste gas is by exhaust piping by entering defecator, the defecator and an activated carbon adsorption case, it is connected by a waste gas inlet pipe and No. two waste gas inlet pipes between No. two activated carbon adsorption casees respectively, a number activated carbon adsorption case, No. two activated carbon adsorption casees are provided with a desorption inlet pipe, No. two desorption inlet pipes, a number desorption inlet pipe, No. two desorption inlet pipes are connected with the air inlet of catalysis burning bed by main desorption inlet pipe, the gas outlet of the catalysis burning bed is connected with outlet passageway, the outlet passageway is connected with desorption blower fan.

Description

A kind of catalyzing integrated device of organic exhaust gas adsorption

Technical field

This utility model belongs to organic waste gas treatment equipment field, more particularly to a kind of catalyzing integrated dress of organic exhaust gas adsorption Put.

Background technology

VOCs treatment feature:Organic exhaust gas be usually present inflammable and explosive, poisonous and harmful, it is water insoluble, be dissolved in and having Machine solvent, the characteristics of intractability is big.Generally use in VOCs treatment organic exhaust gas active-carbon adsorption treatment method, Various principles such as Production by Catalytic Combustion Process, catalytic oxidation, acid-base neutralization method, plasma method.Activated carbon adsorption is using activated carbon Porous adsorb pollutant, and activated carbon adsorption has capacity limit, in absorption 20% or so i.e. saturation, need to change activated carbon.Deng Ion method produces electric discharge sparking based on electrion, is susceptible to gas ions blast, and operation strategies are narrower.Bio-trickling skill Art is at present more advanced technology, simple structure, stable and reliable for performance, and operating cost is low.Yet with different industries, difference The exhaust gas constituents of enterprise, exhaust gas concentration are different, cause single treatment mode or device to the organic removal rate in waste gas It is not high, and process after tail gas still can there is secondary pollution so that organic waste gas treatment device treatment effeciency it is low and Poor processing effect.

Organic exhaust gas adsorption catalytic integration device (abbreviation JXC) disclosed in this utility model is my company according to giving up for many years Energy-efficient, non-secondary pollution the new waste gas processing equipment that gas management experience is succeeded in developing, Jing numerous users are used, should Item treatment technology has reached the top standard of domestic like product.The device is primarily adapted for use in adopt and directly burns or urge Change the organic exhaust gas that combustion method and adsorption recovery method are processed, especially to Wind Volume, the process occasion of low concentration, can obtain satisfied Treatment effect.

Utility model content

For the problems referred to above, the purpose of this utility model is to provide a kind of catalyzing integrated device of organic exhaust gas adsorption, this dress Put and active carbon adsorption and Production by Catalytic Combustion Process combine, at the same always according to organic exhaust gas species difference with the addition of in front end it is dry Formula filter or bio-trickling filter, this device suitable for process room temperature, Wind Volume, low concentration, volatile organic Waste gas, can process organic solvent species includes benzene class, ketone, esters, aldehydes, ethers, alkanes and its mixed gas.

This utility model solves the technical scheme that adopted of above-mentioned technical problem：A kind of organic exhaust gas adsorption is catalyzing integrated Device, it is characterised in that this device includes defecator, an activated carbon adsorption case, No. two activated carbon adsorption casees and catalysis combustion Burn bed, pending waste gas by exhaust piping by entering defecator, the defecator and activated carbon adsorption case, two It is connected by a waste gas inlet pipe and No. two waste gas inlet pipes between number activated carbon adsorption case respectively, activated carbon adsorption case, No. two activated carbon adsorption casees are connected by a net gas outlet pipe, No. two net gas outlet pipes respectively with absorption main exhaust fan, the suction Attached main exhaust fan is connected with air by clean gas pipeline, an activated carbon adsorption case, No. two activated carbon adsorption Case is provided with a desorption inlet pipe, No. two desorption inlet pipes, and a desorption inlet pipe, No. two desorption inlet pipes are by master Desorption inlet pipe is connected with the air inlet of catalysis burning bed, and the gas outlet of the catalysis burning bed is connected with outlet passageway, institute State outlet passageway to be connected with desorption blower fan, the outlet passageway is divided into two pipelines after being desorbed blower fan, is steam respectively Pipeline and clean gas pipeline are in charge of, and the hot gas duct passes through hot gas duct, No. two hot gas ducts and an activated carbon Adsorption box, No. two activated carbon adsorption casees are connected, and the hot gas duct is provided with Control Box, exhaust piping, waste gas inlet pipe, No. two waste gas inlet pipes, net gas outlet pipe, No. two net gas outlet pipes, desorption inlet pipe, No. two desorption inlet pipes, a steam Pipeline, No. two hot gas ducts, clean gas pipelines are in charge of and are equipped with control valve, the main desorption inlet pipe and outlet passageway On be equipped with benefit low temperature valve and spark arrester.

Used as preferred, the defecator is any one of dry filter or bio-trickling filter.

As preferred, fibrous filter net in the dry filter, is provided with, the cross section of the fibrous filter net is for just String function curve structure.

Used as preferred, the bio-trickling filter is cylindrical shape, internal to include being disposed with liquid collecting from top to bottom Pond, filter material layer and spray chamber, spray chamber are connected by circulating pump with collecting tank, and the filter material layer includes several filtrate cylinders, The filtrate cylinder is fixed in bio-trickling filter by filter screen, the filtrate cylinder be in truncated cone-shaped, the filtrate cylinder cross section For circle, the filtrate cylinder upper surface diameter is 0.9-0.95 with lower surface diameter ratio:1, the bio-trickling filter and Number between activated carbon adsorption case, No. two activated carbon adsorption casees, it is provided with gas drying case.

Used as preferred, the clean gas pipeline is provided with sample port, and the sample port is connected with on-line measuring device.

Used as preferred, an activated carbon adsorption case and No. two activated carbon adsorption box structures are identical, a work Property charcoal adsorption box and No. two activated carbon adsorption casees include casing, adsorption plate, blast fence, waste gas inlet, waste gas gas outlet, Steam air inlet and desorption gas outlet, the adsorption plate are provided with activated carbon, and the adsorption plate is provided with several, sets in level Put, spacing distance is equal between several adsorption plates, the blast fence is provided with several, with the one-to-one setting of adsorption plate, be in It is obliquely installed, the blast fence is 15 ° -20 ° with the angle of horizontal plane, the blast fence is located at two adjacent adsorption plates Between.

Used as preferred, the catalyst in the catalysis burning bed is catalyzed using the ceramic honey comb that Metal Palladium, platinum impregnate Agent.

The utility model has the advantage of：

1st, using Adsorption Concentration+catalysis oxidation group technology, whole system realizes purification, desorption process closed loop, with Reclaim class cleaning equipment for waste organic gas to compare, need not be for the additional source of energy such as compressed air and steam, running does not produce secondary Pollute, equipment investment and operating cost are low.

2nd, front end adopts dry filter or bio-trickling filter, and purification efficiency is high, it is ensured that the use of adsorbent equipment Life-span.

3rd, from specially-shaped cellular activated carbon as adsorbing material, sorbent life is long, and adsorption system resistance is low, only Change efficiency high.

4th, the ceramic honey comb impregnated with high-quality precious metal palladium, platinum makees catalyst, catalytic purification rate up to more than 97%, catalyst Life-span length, waste gas decomposition temperature are low, and desorption is preheating time short, and energy consumption is low.

5th, adsorb the activated carbon adsorption case of organic exhaust gas, the steam after catalysis burning can be recycled carries out desorption and regeneration, Gas after desorption is re-fed into catalytic combustor and carries out purified treatment, when organic exhaust gas concentration reaches more than 2000PPM, can tie up Spontaneous combustion is held, without the need for external energy, running expense is low, and energy-saving effect is notable.

6th, adopt microcomputer Centralized Control System, equipment operation, operating process realize full-automatic, running it is stable, can Lean on.

7th, safety devices are complete, and the strict control when source of the gas and equipment room arrange safety fire valve, desorption enters activated carbon The desorption temperature of bed, is provided with the protective measures such as spark arrester, sensing rod for temperature, venting, alarm and autostop.

Description of the drawings

In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is that (wherein solid arrow represents waste gas flowing process direction, dotted arrow to structural representation of the present utility model Represent desorption gas flowing process direction).

Fig. 2 is that (wherein solid arrow represents useless for an activated carbon adsorption case and No. two activated carbon adsorption box structure schematic diagrams Flow of air direction).

Fig. 3 is that (wherein dotted arrow represents heat for an activated carbon adsorption case and No. two activated carbon adsorption box structure schematic diagrams Gas and desorption gas flow direction)

Fig. 4 is dry filter structural representation.

Fig. 5 is biological drop filter filter structure schematic representation.

Wherein：1st, the activated carbon adsorption case 3, two of defecator 2, activated carbon adsorption case

4th, burning bed 5, the waste gas inlet pipe of waste gas inlet pipe 7, two of exhaust piping 6, are catalyzed

8th, net 10, No. two net gas outlet pipes of gas outlet pipe of main exhaust fan 9, are adsorbed

11st, the desorption inlet pipe 13, two of a clean gas pipeline 12, desorption inlet pipe

14th, main desorption inlet pipe 15, outlet passageway 16, desorption blower fan 17, hot gas duct

18th, clean gas pipeline is in charge of 19, hot gas duct, 20, No. two hot gas ducts

21st, Control Box 22, control valve 23, benefit low temperature valve 24, spark arrester

25th, casing 26, adsorption plate 27, blast fence 28, waste gas inlet

29th, waste gas gas outlet 30, the outlet 32, on-line measuring device of steam air inlet 31, desorption gas

33rd, fibrous filter net 34, collecting tank 35, filter material layer 36, spray chamber

37th, circulating pump 38, filtrate cylinder 39, filter screen 40, gas drying case

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical Novel protected scope.

In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

Embodiment 1

A kind of catalyzing integrated device of organic exhaust gas adsorption, this device include 1, activated carbon adsorption case 2, two of defecator Number activated carbon adsorption case 3 and catalysis burning bed 4, pending waste gas is by exhaust piping 5 by into defecator 1, the mistake Pass through a waste gas inlet pipe 6 respectively between filter 2, No. two activated carbon adsorption casees 3 of device 1 and an activated carbon adsorption case and No. two useless Gas inlet pipe 7 is connected, and 2, No. two activated carbon adsorption casees of an activated carbon adsorption case 3 pass through No. one respectively with absorption main exhaust fan 8 Net gas 9, No. two net gas outlet pipes 10 of outlet pipe are connected, described to adsorb main exhaust fan 8 by clean gas pipeline 11 and big gas phase Connection, 2, No. two activated carbon adsorption casees 3 of an activated carbon adsorption case be provided with a desorption inlet pipe 12, two be desorbed into Trachea 13,12, No. two desorption inlet pipes 13 of a desorption inlet pipe are by main desorption inlet pipe 14 and catalysis burning bed 4 Air inlet is connected, and the gas outlet of the catalysis burning bed 4 is connected with outlet passageway 15, the outlet passageway 15 and desorption blower fan 16 are connected, and the outlet passageway 15 is divided into two pipelines after being desorbed blower fan 16, are hot gas duct 17 and clean gas respectively Body pipeline is in charge of 18, and the hot gas duct 17 passes through 19, No. two hot gas ducts 20 of a hot gas duct and an activated carbon adsorption 2, No. two activated carbon adsorption casees 3 of case are connected, and the hot gas duct 17 is provided with Control Box 21, and exhaust piping, a waste gas enter Pipe, No. two waste gas inlet pipes, net gas outlet pipe, No. two net gas outlet pipes, desorption inlet pipe, No. two desorption inlet pipes, No. one Hot gas duct, No. two hot gas ducts, clean gas pipelines are in charge of and are equipped with control valve 22, the main desorption inlet pipe and go out Benefit low temperature valve 23 and spark arrester 24 are equipped with gas passage.

A number activated carbon adsorption case 2 is identical with No. two 3 structures of activated carbon adsorption case, an activated carbon adsorption case With No. two activated carbon adsorption casees include casing 25, adsorption plate 26, blast fence 27, waste gas inlet 28, waste gas gas outlet 29, Steam air inlet 30 and desorption gas outlet 31, the adsorption plate 26 is provided with activated carbon, and the adsorption plate 26 is provided with several, In being horizontally disposed with, between several adsorption plates 26, spacing distance is equal, and the blast fence 27 is provided with several, with adsorption plate 26 One-to-one setting, is inclined to set, and the blast fence 27 is 15 ° -20 ° with the angle of horizontal plane, the blast fence 27 Between two adjacent adsorption plates 26.Each corresponding adsorption plate and blast fence define an independent adsorption chamber, have After machine waste gas is come in from waste gas inlet, while entering these single adsorption chambers, flow to after blast fence, change flowing side To being flowed out after adsorption plate adsorption filtration, then flowed out from waste gas gas outlet, conventional adsorption plate or be vertically arranged or water Flat to arrange, when horizontally disposed, the disposable collective of organic exhaust gas passes through, if flow velocity is too fast, portion gas may be caused directly to flow Go out, it is impossible to effectively act as adsorption, if flow velocity is excessively slow, when reducing processing speed and being vertically arranged, though can guarantee that organic After waste gas has all passed through adsorption plate, but adsorption plate contact organic exhaust gas have and first have, activated carbon on different adsorption plates is caused to be satisfied And Time Inconsistency, it is impossible to while carrying out desorption process to all activated carbons, by adding blast fence in this utility model, protect Demonstrate,prove all of organic exhaust gas and all pass through the time more one that activated carbon on adsorption plate, and all adsorption plates reaches saturation Cause.

The clean gas pipeline 11 is provided with sample port, and the sample port is connected with on-line measuring device 32, Neng Goushi The clean gas for giving off are observed now whether up to standard.

The defecator is dry filter, and fibrous filter net 33, the fiber mistake are provided with the dry filter The cross section of filter screen 33 is the tracks of line voltage structure.Being in pliciform conventional fibre drainage screen, although the disadvantage is that, certain journey more Contact area is increased on degree, but is not also maximized contact area, while pliciform, there is more sharp turning more, this A little places tend to be blocked by dust, reduce filter efficiency, and in this utility model, cross section is changed to the tracks of line voltage knot Structure, turning are more mellow and full, greatly reduce the risk blocked by dust, while increased waste gas and fiber filter to a greater extent The contact area of net.

Embodiment 2

Other and embodiment all same, difference are that defecator is biological drop filtration filter, and the bio-trickling is filtered Device is cylindrical shape, internal to include being disposed with collecting tank 34, filter material layer 35 and spray chamber 36 from top to bottom, spray chamber 36 and collection Liquid pool 34 is connected by circulating pump 37, and the filter material layer 35 includes several filtrate cylinders 38, and the filtrate cylinder 38 passes through filter screen 39 are fixed in bio-trickling filter, and the filtrate cylinder 28 is in truncated cone-shaped, and 28 cross section of filtrate cylinder is circle, the filter 28 upper surface diameter of barrel is 0.9-0.95 with lower surface diameter ratio:1, the bio-trickling filter and an activated carbon adsorption Gas drying case 40 is provided between case, No. two activated carbon adsorption casees.When in the organic exhaust gas that need to be processed containing foul smell etc., can be with Pretreatment is carried out using this bio-trickling filter, the filter material layer in conventional bio-trickling filter is all to adopt stack measure Formula, and organic exhaust gas need first to moisten again through filter material layer, when organic exhaust gas flow from top to bottom, flow to the filter material layer of accumulation Part organic exhaust gas during middle and lower part require that it cannot be guaranteed that moistening can be reached greatly reduce biological treatment efficiency, this practicality is new Filtrate cylinder used in type, filtrate is filled in filtrate cylinder, while filtrate cylinder is shaped as truncated cone-shaped, i.e., up-thin-low-thick circle Cylindricality, the liquid of spray chamber above can spray the lower section of filtrate cylinder, it is ensured that the organic exhaust gas that need to be processed are in Wet condition up to standard, significantly there is provided biological treatment efficiency.

Working method:

Organic exhaust gas Jing pending first filters device and carries out pretreatment, according to the difference of organic exhaust gas content, optional Dry filter or bio-trickling filter are selected, if containing a large amount of foul smell in organic exhaust gas, needs to filter using bio-trickling Device carries out deodorization in advance, otherwise can remove part dust granules thing using dry filter, it is also possible to first using bio-trickling mistake Filter reuses dry filter, it is ensured that the high efficiency of pretreatment；Then the organic exhaust gas for meeting adsorption conditionses are sent into into activity Charcoal adsorption box carries out adsorption cleaning, and the clean gas after purification are entered in air by main exhaust fan.Adsorbent equipment is furnished with standby two Set activated carbon adsorption case, is an activated carbon adsorption case and No. two activated carbon adsorption casees, when in an activated carbon adsorption case respectively Activated carbon adsorption saturation after by control valve switch to catalysis burning detachment status；Desorption and regeneration system is using online desorption Regeneration (may also be employed off-line desorption regeneration), i.e., adsorption process is continuous way handling process, in No. two activated carbon adsorption case inputs Using simultaneously, the activated carbon of an activated carbon adsorption case is in saturation, then which carries out desorption work, and latter number of desorption is active Charcoal adsorption box is recycled pre- next time to the utmost.Likewise, when No. two activated carbon adsorption casees be in saturation when, then No. one it is active , in absorption working condition, No. two activated carbon adsorption casees are in desorption work for charcoal adsorption box, it is ensured that the seriality of absorption work.

Lectotype selection：It is different according to air quantity need to be processed, a series of integrated device of different specification sizes is we developed, Process air quantity can from 2000 m3/h to 100000 m3/h.

Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of each embodiment technical scheme of type.

Claims (7)

1. the catalyzing integrated device of a kind of organic exhaust gas adsorption, it is characterised in that this device includes that defecator, an activated carbon are inhaled Attached case, No. two activated carbon adsorption casees and catalysis burning bed, pending waste gas passes through exhaust piping by entering defecator, described Pass through a waste gas inlet pipe and No. two waste gas between defecator and an activated carbon adsorption case, No. two activated carbon adsorption casees respectively Inlet pipe is connected, and an activated carbon adsorption case, No. two activated carbon adsorption casees are gone out by a net gas respectively with absorption main exhaust fan Pipe, No. two net gas outlet pipes are connected, described to adsorb main exhaust fan and be connected with air by clean gas pipeline, described No. one Activated carbon adsorption case, No. two activated carbon adsorption casees are provided with a desorption inlet pipe, No. two desorption inlet pipes, a desorption Air inlet pipe, No. two desorption inlet pipes are connected with the air inlet of catalysis burning bed by main desorption inlet pipe, the catalysis burning The gas outlet of bed is connected with outlet passageway, and the outlet passageway is connected with desorption blower fan, and the outlet passageway is through desorption wind It is divided into two pipelines after machine, is that hot gas duct and clean gas pipeline are in charge of respectively, the hot gas duct passes through a heating pipe Road, No. two hot gas ducts are connected with an activated carbon adsorption case, No. two activated carbon adsorption casees, and the hot gas duct is provided with heat Control case, exhaust piping, waste gas inlet pipe, No. two waste gas inlet pipes, net gas outlet pipe, No. two net gas outlet pipes, No. one be desorbed into Trachea, No. two desorption inlet pipes, hot gas duct, No. two hot gas ducts, a clean gas pipelines are in charge of and are equipped with control valve Door, is equipped with benefit low temperature valve and spark arrester in the main desorption inlet pipe and outlet passageway.

2. a kind of catalyzing integrated device of organic exhaust gas adsorption according to claim 1, it is characterised in that the defecator For any one of dry filter or bio-trickling filter.

3. a kind of catalyzing integrated device of organic exhaust gas adsorption according to claim 2, it is characterised in that the dry filter Fibrous filter net is provided with device, the cross section of the fibrous filter net is the tracks of line voltage structure.

4. a kind of catalyzing integrated device of organic exhaust gas adsorption according to claim 2, it is characterised in that the bio-trickling Filter is cylindrical shape, internal to include being disposed with collecting tank, filter material layer and spray chamber, spray chamber and collecting tank from top to bottom It is connected by circulating pump, the filter material layer includes several filtrate cylinders, the filtrate cylinder is fixed on bio-trickling by filter screen In filter, the filtrate cylinder is in truncated cone-shaped, and the filtrate cylinder cross section is circle, the filtrate cylinder upper surface diameter and following table Face diameter ratio is 0.9-0.95:1, the bio-trickling filter and activated carbon adsorption case, No. two activated carbon adsorption casees it Between be provided with gas drying case.

5. a kind of catalyzing integrated device of organic exhaust gas adsorption according to claim 1, it is characterised in that the clean gas Pipeline is provided with sample port, and the sample port is connected with on-line measuring device.

6. the catalyzing integrated device of a kind of organic exhaust gas adsorption according to claim 1, it is characterised in that described No. active Charcoal adsorption box and No. two activated carbon adsorption box structures are identical, and an activated carbon adsorption case and No. two activated carbon adsorption casees are wrapped Include the outlet of casing, adsorption plate, blast fence, waste gas inlet, waste gas gas outlet, steam air inlet and desorption gas, the suction Attached plate is provided with activated carbon, and the adsorption plate is provided with several, in horizontally disposed, spacing distance phase between several adsorption plates Deng the blast fence is provided with several, with the one-to-one setting of adsorption plate, is inclined to set, the blast fence and horizontal plane Angle be 15 ° -20 °, the blast fence be located at two adjacent adsorption plates between.

7. a kind of catalyzing integrated device of organic exhaust gas adsorption according to claim 1, it is characterised in that the catalysis burning Catalyst in bed makees catalyst using the ceramic honey comb that Metal Palladium, platinum impregnate.