CN207451895U - Processing system containing miscellaneous sludge - Google Patents
Processing system containing miscellaneous sludge Download PDFInfo
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- CN207451895U CN207451895U CN201721458494.3U CN201721458494U CN207451895U CN 207451895 U CN207451895 U CN 207451895U CN 201721458494 U CN201721458494 U CN 201721458494U CN 207451895 U CN207451895 U CN 207451895U
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Abstract
The utility model provides a kind of processing system containing miscellaneous sludge.The processing system includes screening plant and pyrolysis charring device.Screening plant is for removal containing the block impurity in miscellaneous sludge；Pyrolysis charring device is provided with charge door, and charge door is connected with screening plant by sieving object transfer pipeline.The processing system is solved containing influence of the miscellaneous sludge to process system and equipment, is advantageously ensured that system throughput and is improved charing sewage sludge quality, the technological process of above-mentioned processing method is short, has many advantages, such as innoxious, minimizing and recycling.
Description
Technical field
The utility model is related to field of solid waste disposal, in particular to a kind of processing system containing miscellaneous sludge.
Background technology
Sludge typically refers to aqueous solid deposit caused by sewage disposal process.Containing a large amount of in one side sludge
Organic matter and nutrient have its recycling value；And on the other hand wherein containing a large amount of pathogen, noxious material, it is such as improper
Reason is conducted oneself well, the secondary pollution of laydown area and discharge region will be caused.In China, sludge treating method predominantly burns and landfill, by
The sludge content of organic matter and moisture content are not required in past Sludge landfill, operation it is relatively easy, investment and disposal costs compared with
It is few, therefore quite a few sludge uses landfill disposal.But a large amount of soils are occupied in Sludge landfill disposal, if seepage control measure is not
When potential soil and groundwater will also be caused to pollute.With the raising to percolate processing requirement and the choosing in landfill place
Scope reduction is selected, landfill cost also can be higher and higher.
In short supply with China's land resource, land resource waste caused by existing sludge landfill increasingly highlights, directly
It connects or causes huge fiscal domain loss indirectly.In addition, dispatch from the factory sludge than sewage treatment plant, landfill yard sludge mutually has that its is special
Different property, predominantly percentage of impurity it is higher, in landfill yard sludge containing landfill when mix lime, a certain amount of big grain size stone, weeds,
Antiseepage film, even building waste seriously affect the normal operation of common sludge treatment process and equipment.Therefore, how ring is carried out
Border repair will fill sewage sludge harmlessness disposing, realize that land resource proper value becomes a new problem.
Utility model content
The main purpose of the utility model is that a kind of processing system containing miscellaneous sludge is provided, to solve existing processing side
Method not environmentally, it is of high cost the problem of.
To achieve these goals, this application provides a kind of processing system containing miscellaneous sludge, processing system includes：Screening
Device, for removing containing the block impurity in miscellaneous sludge；And pyrolysis charring device, charge door is provided with, charge door is filled with screening
It puts and is connected by sieving object transfer pipeline.
Further, screening plant includes：Pre-sifted separating device is provided with and is exported containing miscellaneous sludge inlet and pre-screening object, in advance
The screening aperture of screening plant is 100~120mm；And homogeneous screening plant, it exports with pre-screening object and is conveyed by pre-screening object
Pipeline is connected, and the screening aperture of homogeneous screening plant is less than or equal to 20mm.
Further, processing system further includes filter-pressing device, and filter-pressing device is arranged on screening object transfer pipeline.
Further, processing system further includes drying device, drying device set filter-pressing device and pyrolysis charring device it
Between screening object transfer pipeline on.
Further, processing system further includes biomass combustion device, and biomass combustion device is conveyed including the first flue gas
Pipeline, and the first flue gas delivery pipe road is connected with drying device, for the first flue gas delivery pipe road to be made to change drying device
Heat.
Further, pyrolysis charring device includes the second flue gas delivery pipe road, and the second flue gas delivery pipe road is filled with dry
Put it is connected, for the second flue gas delivery pipe road to be made to exchange heat drying device.
Further, drying device is additionally provided with offgas outlet；Processing system further includes dust-extraction unit, and dust-extraction unit is set
There is gas inlet, offgas outlet is connected with gas inlet.
Further, dust-extraction unit is provided with ash hole, and ash hole is connected with charge door.
Further, dust-extraction unit is additionally provided with exhaust outlet, and processing system further includes the water washing device being sequentially connected, alkali cleaning
Device and the first deodorization device, and water washing device is connected with exhaust outlet.
Further, processing system further includes the second deodorization device, and the second deodorization device is connected with screening plant, for pair
Screening plant carries out deodorization.
Using the technical solution of the utility model, the processing system containing miscellaneous sludge provided using the application utilizes screening
Device first removes block-like impurity from containing miscellaneous sludge, obtains screening object.Above-mentioned screening object is delivered to pyrolytic carbon makeup again
Middle progress pyrolysis charring reaction is put, this is conducive to the transformation efficiency for improving charing sludge and the treating capacity containing miscellaneous sludge.It is heavier
It wants, since above-mentioned charing sludge usually has porous structure, can be used as sorbing material etc., thus the technique of above-mentioned processing system
Flow is short, has many advantages, such as innoxious, minimizing and recycling.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
New schematic description and description does not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the processing system containing miscellaneous sludge that a kind of typical embodiment according to the present utility model provides
Structure diagram.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, screening plant；20th, pyrolysis charring device；201st, charge door；11st, pre-sifted separating device；111st, enter containing miscellaneous sludge
Mouthful；112nd, pre-screening object exports；12nd, homogeneous screening plant；30th, filter-pressing device；40th, drying device；50th, biomass combustion fills
It puts；60th, dust-extraction unit；601st, ash hole；602nd, exhaust outlet；70th, water washing device；80th, alkaline cleaner；90th, the first deodorization device；
91st, the second deodorization device.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model is described in detail below in conjunction with accompanying drawings and embodiments.
As background technology is described, existing processing method not environmentally, problem of high cost.In order to solve above-mentioned technology
Problem, this application provides a kind of processing system containing miscellaneous sludge, as shown in Figure 1, above-mentioned processing system includes screening plant 10
With pyrolysis charring device 20, wherein screening plant 10 is used to remove containing the block impurity in miscellaneous sludge；Pyrolysis charring device 20 is set
Charge door 201 is equipped with, charge door 201 is connected with screening plant 10 by sieving object transfer pipeline.
For the more complicated sludge of ingredient, especially when containing larger block impurity in containing miscellaneous sludge, if not
It is pre-processed to containing impurities in miscellaneous sludge, subsequent treatment effect can be largely effected on.Using the application offer containing miscellaneous
The processing system of sludge is first removed block-like impurity using screening plant 10 from containing miscellaneous sludge, obtains screening object.It again will be upper
It states screening object and is delivered to progress pyrolysis charring reaction in pyrolysis charring device 20, this is conducive to the transformation efficiency for improving charing sludge
And the treating capacity containing miscellaneous sludge.It is prior, since above-mentioned charing sludge usually has porous structure, it can be used as sorbing material
Deng, thus the technological process of above-mentioned processing system is short, has many advantages, such as innoxious, minimizing and recycling.
Above-mentioned processing system is applicable not only to common containing miscellaneous sludge, applies also for landfill yard containing miscellaneous sludge and its similar
Containing the sludge that block impurity etc. is more complicated, thus it is with wider applicability, to containing the requirement of miscellaneous situation in sewage sludge feed
It is relatively low.
It is preferred that the charge door 201 of pyrolysis charring device 20 is provided with nitrogen gas seal equipment.
In a preferred embodiment, as shown in Figure 1, screening plant 10 includes pre-sifted separating device 11, it is provided with
Containing miscellaneous sludge inlet 111 and pre-screening object outlet 112, the screening aperture of pre-sifted separating device 11 is 100~120mm；And homogeneous sieve
Separating device 12 is connected with pre-screening object outlet 112 by pre-screening object transfer pipeline, the screening aperture of homogeneous screening plant 12
Less than or equal to 20mm.
The impurity of greater particle size (screening aperture is 100~120mm) can be removed, obtained by level-one screening process device
To pre-screening object.Pre-screening object is delivered in homogeneous screening plant 12, above-mentioned pre-screening object is first carried out homogenize process matches somebody with somebody
Slurries are made, above-mentioned slurries are then subjected to two level screening process, screening object are obtained, to remove the impurity of more than 20mm.Due to
It is smaller to carry out the screening aperture of regrading, thus regrading is carried out again after pre-screening object homogeneous is turned to slurries, can press down
Pre-screening object processed blocks sieve pore, and then is conducive to improve screening efficiency.
It is preferred that above-mentioned pre-sifted separating device 11 is provided with automatic open close warehouse lid, this is conducive to prevent secondary pollution, preferably
Containing for pre-sifted separating device 11 is provided with grid at miscellaneous sludge inlet.
It is preferred that homogeneous screening plant 12 includes agitator tank and intersect to sieve, pre-screening object is configured to homogeneous slurry in agitator tank
Then above-mentioned homogeneous slurries are carried out two level screening process by liquid in sieve is intersected.It is highly preferred that agitator tank and pre-sifted separating device
11 agitator tank is connected by plunger pump, and the caliber of plunger pump is preferably 150mm.
It is preferred that the rotary speed that paddle is broken up in the high speed rotation set in agitator tank is 300r/min.
In a preferred embodiment, as shown in Figure 1, above-mentioned processing system further includes filter-pressing device 30, press filtration dress
30 are put to be arranged on screening object transfer pipeline.Water content usually containing miscellaneous sludge is higher, and in homogeneous screening plant 12 in order to
It prepares homogeneous slurries and further introduces solvent (water), thus in order to improve subsequent treatment effeciency, it is necessary to first will be above-mentioned
Screening is passed through filter-pressing device 30 and is dehydrated.Then the press filtration object obtained through pressure-filtering process is delivered in pyrolysis charring device 20
Carry out pyrolysis charring reaction.Above-mentioned pressure-filtering process carries out under pressure simultaneously, thus this also advantageously improves dehydration
Efficiency.It is preferred that the water content of press filtration object is 60wt%.
In a preferred embodiment, as shown in Figure 1, above-mentioned processing system further includes drying device 40, dry dress
It puts on the screening object transfer pipeline between 40 setting filter-pressing devices 30 and pyrolysis charring device 20.It will be pressed through filter-pressing device 30
The press filtration object obtained after filter carries out pyrolysis charring process again after being dried, and can further reduce the moisture in press filtration object, into
And be conducive to improve the efficiency and conversion ratio of pyrolysis charring reaction.It is preferred that high-temperature flue gas and above-mentioned press filtration using 750~850 DEG C
Object carries out above-mentioned drying process after contacting directly.
In a preferred embodiment, as shown in Figure 1, above-mentioned processing system further includes biomass combustion device 50,
Biomass combustion device 50 includes the first flue gas delivery pipe road, and the first flue gas delivery pipe road is connected with drying device 40, is used for
The first flue gas delivery pipe road is made to exchange heat drying device 40.The temperature of flue gas that biomass combustion device 50 generates is about
750~850 DEG C, the first flue gas delivery pipe road is made to exchange heat drying device 40, be conducive to recycle biomass combustion dress
The heat in the flue gas of 50 generations is put, so as to be conducive to improve energy utilization rate.
In a preferred embodiment, as shown in Figure 1, above-mentioned pyrolysis charring device 20 includes the second flue gas delivery pipe
Road, and the second flue gas delivery pipe road is connected with drying device 40, for the second flue gas delivery pipe road to be made to carry out drying device 40
Heat exchange.The temperature for the flue gas that pyrolysis charring device 20 generates is about 500~600 DEG C, and the second flue gas delivery pipe road is made to be filled to dry
It puts 40 to exchange heat, is conducive to recycle the heat in the flue gas that pyrolysis charring device 20 generates, so as to be conducive to further
Improve energy utilization rate.
In a preferred embodiment, as shown in Figure 1, above-mentioned drying device 40 includes offgas outlet, processing system
Dust-extraction unit 60 is further included, dust-extraction unit 60 is provided with gas inlet, and above-mentioned offgas outlet is connected with gas inlet.Dry dress
Put the offgas outlet on 40 be connected with the gas inlet of dust-extraction unit 60 can reduce from drying device 40 discharge flue gas in
Dust, so as to improve the spatter property of flue gas.It is preferred that the feed inlet and outlet of drying device 40 for it is dust-proof the considerations of, length-width ratio is set
For 5:1.It is preferred that dust-extraction unit 60 divides deduster for diffusion type rotation.
In a preferred embodiment, as shown in Figure 1, above-mentioned dust-extraction unit 60 is provided with ash hole 601, ash hole
601 are connected with charge door 201.Ash hole 601 on dust-extraction unit 60 is connected with charge door 201, it can will be from drying
Dust in the flue gas discharged in device 40 is delivered in pyrolysis charring device 20 and is further recycled.
In a preferred embodiment, as shown in Figure 1, above-mentioned dust-extraction unit 60 is additionally provided with exhaust outlet 602, processing
System further includes the water washing device 70 being sequentially connected, 80 and first deodorization device 90 of alkaline cleaner, and water washing device 70 and exhaust
Mouthfuls 602 are connected, and make that the flue gas obtained after 60 dedusting of dust-extraction unit is passed through water washing device 70 successively, alkaline cleaner 80 and first removes
Pernicious gas in the flue gas of 40 row of drying device can be absorbed, purified and deodorization, and then further be carried by smelly device 90
The feature of environmental protection of high above-mentioned processing system.It is preferred that the first deodorization device 90 is by the way of Photochemical deodorization.
Flue-gas temperature after dedusting is 135 DEG C, is then sequentially purified into water washing device 70, alkaline cleaner 80.
Water washing device 70, alkaline cleaner 80 are provided with recirculated water sedimentation basin, with the sediment in settling circulation water.Finally by the work of purification
Skill flue gas enters in the first deodorization device (photooxidation deodorization device) after progress deodorization, and flue-gas temperature is down to less than 100 DEG C, and leads to
Cross air-introduced machine discharge.
It is highly preferred that as shown in Figure 1, above-mentioned processing system further includes the second deodorization device 91, the second deodorization device 91 with
Screening plant 10 is connected, for carrying out deodorization to screening plant 10.Specifically, the second deodorization device 91 and 11 phase of pre-sifted separating device
Connection.It is preferred that the second deodorization device 91 is by the way of Photochemical deodorization and/or chemical deodorizing.It additionally can be by the second deodorization
Device 91 is connected for deodorization with filter-pressing device 30 or sets independent deodorization point.
The utility model is described in further detail below in conjunction with specific embodiment, these embodiments are it is not intended that limit
The utility model scope claimed processed.
Used in embodiment 1 and comparative example 1 containing aqueous 80wt% in miscellaneous sludge, it is remaining for heavy metal and organic matter,
Wherein heavy metal and content of organics see the table below 1.
Table 1
Embodiment 1
The sludge that pre-sifted separating device 11 is delivered to containing miscellaneous sludge of moisture content 80% is received in storehouse, sludge receives silo roof end
Grid is set, and the screening aperture of grid is 120mm, screens out the impurity such as relatively large grain size stone.Sludge receives orlop portion and sets liquid
Press balladeur train, preload screw, plunger pump.Under the action of plunger pump, homogeneous sieve is transported material to through pre-screening object transfer pipeline
In separating device 12 (homogeneous intersects sieve), the conveying bore of plunger pump is 150mm..Intersecting the interior progress of sieve further containing miscellaneous sludge
Screening, the Sieving and casing of homogeneous screening plant 12 (homogeneous intersects sieve) is 20mm, screens out the impurity that grain size is 20~120mm.So
The sludge obtained through homogeneous screening plant 12 (homogeneous intersects sieve) screening is fallen into afterwards and is transported to (the vertical mechanical pressure of filter-pressing device 30
Filter).Above-mentioned moisture percentage in sewage sludge is taken off to 60wt% by filter-pressing device 30 (vertical mechanical filter press).
The sludge obtained after press filtration is transported to by multi-stage, belt in warehouse, dry dress is fed by spiral under warehouse
40 (sludge driers) are put, material water ratio is down to 30wt%, drying device 40 in drying device 40 (sludge drier)
Interior flue-gas temperature is 550 DEG C, using directly heating.
Pyrolysis charring device 20 (Sludge carbonization furnace) will be transported to by conveying device through the material that drying device 40 obtains
It is interior, sludge is subjected to pyrolysis charring in pyrolysis charring device 20, its moisture content is down to below 5wt%, pyrolytic carbon makeup
The flue-gas temperature in 20 is put as 600 DEG C, using indirectly heat, the carbonization chamber of pyrolysis charring device 20 is anaerobic condition.
By the material obtained after pyrolysis charring device 20 carbonizes by cooling device (cooling spiral), obtained after carbonizing
To material be reduced to 40 DEG C, storage outward transport.
The heat source used in above-mentioned processing procedure is from biomass fuel in 50 (biomass hot air of biomass combustion device
Stove) in burning, in-furnace temperature is 1100 DEG C, and the combustible gas that retort generates is back to use in hot-blast stove and burns.
The flue gas first choice used during pyrolysis charring is generated by biomass combustion device 50 (biomass thermal wind furnace), is passed through
Air-introduced machine, successively by pyrolysis charring device 20 (retort), drying device 40 (drying machine), 60 (cyclone dust removal of dust-extraction unit
Device), water washing device 70 (water scrubber), alkaline cleaner 80 (caustic wash tower), the first deodorization device 90 (photooxidation deodorization device), finally by
It is arranged outside chimney.
Comparative example 1
With being distinguished as embodiment 1：Screening process is not carried out to containing miscellaneous sludge.Have very to the service life and operation of filtering equipment
It is big to influence, it is unfavorable for stable operation.If convection drying, energy consumption is significantly increased, and production capacity is greatly reduced.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of processing system containing miscellaneous sludge, which is characterized in that the processing system includes：
Screening plant (10), it is described containing the block impurity in miscellaneous sludge for removing；And
Pyrolysis charring device (20), is provided with charge door (201), and the charge door (201) passes through with the screening plant (10)
Screening object transfer pipeline is connected.
2. processing system according to claim 1, which is characterized in that the screening plant (10) includes：
Pre-sifted separating device (11) is provided with containing miscellaneous sludge inlet (111) and pre-screening object outlet (112), the pre-sifted separating device
(11) screening aperture is 100~120mm；And
Homogeneous screening plant (12) is connected with pre-screening object outlet (112) by pre-screening object transfer pipeline, described equal
The screening aperture of matter screening plant (12) is less than or equal to 20mm.
3. processing system according to claim 1, which is characterized in that the processing system further includes filter-pressing device (30),
The filter-pressing device (30) is arranged on the screening object transfer pipeline.
4. processing system according to claim 3, which is characterized in that the processing system further includes drying device (40),
The drying device (40) sets the screening object between the filter-pressing device (30) and the pyrolysis charring device (20) defeated
It send on pipeline.
5. processing system according to claim 4, which is characterized in that the processing system further includes biomass combustion device
(50), the biomass combustion device (50) include the first flue gas delivery pipe road, and the first flue gas delivery pipe road with it is described
Drying device (40) is connected, for the first flue gas delivery pipe road to be made to exchange heat the drying device (40).
6. processing system according to claim 4, which is characterized in that the pyrolysis charring device (20) includes the second flue gas
Transfer pipeline, and the second flue gas delivery pipe road is connected with the drying device (40), for conveying second flue gas
Pipeline exchanges heat to the drying device (40).
7. processing system according to claim 4, which is characterized in that the drying device (40) is additionally provided with tail gas and goes out
Mouthful；The processing system further includes dust-extraction unit (60), and the dust-extraction unit (60) is provided with gas inlet, the offgas outlet
It is connected with the gas inlet.
8. processing system according to claim 7, which is characterized in that the dust-extraction unit (60) is provided with ash hole
(601), the ash hole (601) is connected with the charge door (201).
9. processing system according to claim 7, which is characterized in that the dust-extraction unit (60) is additionally provided with exhaust outlet
(602), the processing system further includes the water washing device (70) being sequentially connected, alkaline cleaner (80) and the first deodorization device
(90), and the water washing device (70) is connected with the exhaust outlet (602).
10. processing system according to claim 1, which is characterized in that the processing system further includes the second deodorization device
(91), second deodorization device (91) is connected with the screening plant (10), for being removed to the screening plant (10)
It is smelly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458494.3U CN207451895U (en) | 2017-11-03 | 2017-11-03 | Processing system containing miscellaneous sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458494.3U CN207451895U (en) | 2017-11-03 | 2017-11-03 | Processing system containing miscellaneous sludge |
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| CN207451895U true CN207451895U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107721105A (en) * | 2017-11-03 | 2018-02-23 | 中国恩菲工程技术有限公司 | Processing system containing miscellaneous sludge |
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2017
- 2017-11-03 CN CN201721458494.3U patent/CN207451895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107721105A (en) * | 2017-11-03 | 2018-02-23 | 中国恩菲工程技术有限公司 | Processing system containing miscellaneous sludge |
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