CN208087445U - Sludge dry system - Google Patents
Sludge dry system Download PDFInfo
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- CN208087445U CN208087445U CN201820024254.0U CN201820024254U CN208087445U CN 208087445 U CN208087445 U CN 208087445U CN 201820024254 U CN201820024254 U CN 201820024254U CN 208087445 U CN208087445 U CN 208087445U
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- sludge
- dry
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- hot wind
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- Treatment Of Sludge (AREA)
Abstract
The utility model provides a kind of sludge dry system being used for drying water-containing sludge, it includes a roller drier and an air compressor, roller drier has a stack shell, one sludge inlet, one sludge discharge hole, one hot wind air inlet and a hot wind exhaust outlet, stack shell encloses one dry channel of structure, sludge inlet, sludge discharge hole and hot wind exhaust outlet are respectively communicated in dry channel, sludge inlet and sludge discharge hole ingress and egress out dry channel for the water-containing sludge respectively, hot wind air inlet and hot wind exhaust outlet then import for a thermal current and dry channel are discharged and a part of moisture that makes thermal current take away the water-containing sludge respectively.Air compressor includes a compressor set and a thermal energy recoverer, compressor set to generate a compressed air stream, thermal energy recoverer to compressor set heat exchange and generate the thermal current.
Description
Technical field
The utility model is that it is aqueous to reduce sludge especially with regard to a kind of application hot wind about a kind of technology of Treatment of Sludge
The processing system of rate.
Background technology
Sewage disposal is to be pocessed sanitary sewage and industrial wastewater, detaches the solid pollutant in water, mitigates sewage
Pollution to environment.Sewage disposal is often accompanied with the generation of a large amount of sludge, and the moisture content of these sludge is high, at dewaterer
The moisture content of 75-85% is still up to after reason.
In order to which the volume and follow-up sludge that reduce water-containing sludge clear expense, TaiWan, China TW I507366 disclose one kind
Sludge treatment equipment comprising one group of cyclone separation group 110 and a mixer 120, the injection channel 125 in mixer 120
Partially aqueous sludge can be disperseed to granulate, is then further dried in cyclone separation group 110.
It is however, the aforementioned prior art is still defective, the sludge of moisture content up to 75-85% are easy to stick together in mixer
On 120 tube wall, this makes mixer 120 be easy to happen the situation that feeding has some setbacks or even blocks.In order to solve High water cut dirt
The excessively high derivative problem of mud stickiness, the solution that the prior art is taken be, by cyclone separation group 110, treated one
Sludge (low-water-content) is back in mixer 120 after part is dry, after so that high-moisture-contensludge sludge is mixed in advance with low water-containing sludge,
Overall moisture content is down to 75% or less in advance to reduce stickiness, just carries out subsequent processing.
Such processing mode has derived other problems：Since partially dried sludge is recycled to mixer, this makes whole
The pending sludge quantity of body increases, and sludge quantity increase can lead to more processing times, more energy consumptions and more places
Reason expense, and reduce system working efficiency.
Utility model content
In view of this, wherein the one of the utility model be designed to provide can be by the processing system for drying water-containing sludge
System.
In order to reach above and other purpose, the utility model provides a kind of drying sludge system being used for drying water-containing sludge
System a comprising roller drier and an air compressor, roller drier include a roller, and roller has a stack shell, a dirt
Mud feed inlet, a sludge discharge hole, a hot wind air inlet and a hot wind exhaust outlet, stack shell enclose one dry channel of structure, sewage sludge feed
Mouth, sludge discharge hole and hot wind exhaust outlet are respectively communicated in dry channel, and sludge inlet and sludge discharge hole are respectively for described
Water-containing sludge ingresses and egresses out dry channel, and hot wind air inlet and hot wind exhaust outlet then supply thermal current importing and be discharged dry respectively
Dry channel and so that thermal current is taken away a part of moisture of the water-containing sludge.Air compressor includes a compressor set and a thermal energy
Recover, compressor set is to generate a compressed air stream, and thermal energy recoverer with compressor set heat exchange generating the heat
Air-flow.
By above-mentioned design, water-containing sludge can persistently stir in roller, and be flowed into hot gas during stirring
Row heat exchange, therefore the partial moisture in water-containing sludge is evaporated, and be discharged with thermal current Self-air-heating exhaust outlet, water-containing sludge
Water content thus has dropped.
In order to reach above and other purpose, the sludge dry system more may include that a sludge disperser is set to the charging
Mouthful and paste water-containing sludge is separated into strip or granular water-containing sludge, thereby increase water-containing sludge in roller drier
Drying efficiency.
In order to reach above and other purpose, the sludge dry system more may include that an at least cyclone is dry set on roller
The downstream of dry machine, cyclone have a cyclone chamber, a sludge inlet, a sludge outlet, a gas access and a gas vent,
Sludge inlet, sludge outlet, gas access and gas vent are respectively communicated in cyclone chamber, sludge inlet and sludge outlet difference
Cyclone chamber is ingressed and egressed out for the water-containing sludge, gas access and gas vent supply a dry gas stream to import and be discharged respectively
Cyclone chamber and so that the dry gas stream is taken away a part of moisture of the water-containing sludge, thereby water-containing sludge is further done
It is dry.
In order to reach above and other purpose, the sludge dry system more may include that a sludge grinder is dry set on roller
The downstream of dry machine and the upstream of cyclone, sludge grinder be to by the water-containing sludge it is at least a part of crush for compared with
Small particle thereby allows water-containing sludge to be easier in the cyclone as flow rotation flows, and increases drying efficiency.
The detailed content of other effects and embodiment in relation to the utility model, cooperation schema are described as follows.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure configuration schematic diagram of the utility model sludge dry system first embodiment；
Fig. 2 is the semi-section stereogram of the sludge disperser of the utility model sludge dry system first embodiment；
Fig. 3 is the sectional view of the sludge grinder of the utility model sludge dry system first embodiment；
Fig. 4 is the structure configuration schematic diagram of the utility model sludge dry system second embodiment.
Symbol description
100 sludge dry system, 110 feed mechanism
120 sludge disperser, 121 feeding spiro rod
122 sieve plate, 123 sieve pore
130 roller drier, 131 roller
1311 stack shell, 1312 sludge inlet
1313 sludge discharge hole, 1314 hot wind air inlet
1315 hot wind exhaust outlet, 140 air compressor
141 compressor set, 142 thermal energy recoverer
150 sludge grinder, 151 runner
152 feeding-passage, 153 Wen Shi throats
160,170,180 cyclone, 190 wind turbine
195 gas cleaning plant, 280 cyclone
295,296 gas cleaning plant
Specific implementation mode
[upstream], [downstream] in the application are using the sequence of each equipment processing water-containing sludge as basis for estimation；When one
When equipment first handles water-containing sludge compared with miscellaneous equipment, then claim [upstream] of the equipment set on miscellaneous equipment；Conversely, when an equipment compared with
When miscellaneous equipment evening handles water-containing sludge, then claim [downstream] of the equipment set on miscellaneous equipment.In upstream and downstream adjacent equipment it
Between may be equipped with conveyer belt, delivery pipe etc. to convey the component of sludge or gas；In other possible embodiments, two or
It is multiple to be directly connected to or be arranged in mechanism in the same casing in the adjacent equipment in upstream and downstream.
[drying] in the application refers to reducing the moisture content of water-containing sludge, for example, its moisture content is made to be reduced by 80%
To 50% hereinafter, rather than being limited only to its moisture content being reduced to 0%.
Referring to FIG. 1, illustrated is the first embodiment of the utility model sludge dry system, the sludge dry system
100 include a feed mechanism 110, a sludge disperser 120, a roller drier 130, an air compressor 140, a sludge powder
150, three cyclones 160,170,180 of millstone and a wind turbine 190.Sludge dry system 100 can be used to dry water-containing sludge, institute
The water-containing sludge e.g. sewage treatment plant from sanitary wastewater or industrial wastewater is stated, sludge is being sent caused by sewage treatment plant
Before entering sludge dry system 100, can be also in advance dehydrated through dewaterer, used dewaterer can be but be not limited to filter press,
Centrifugal drier or belt type dewaterer, the moisture content into the water-containing sludge of sludge dry system 100 are, for example, 75-85%,
But it is not limited thereto.
Feed mechanism 110 is, for example, screw rod, the water-containing sludge in water-containing sludge slot (not being painted) is pushed to sludge
Disperser 120.
Sludge disperser 120 has a feeding spiro rod 121 and a sieve plate 122, has multiple sieve pores 123, sieve on sieve plate 122
The aperture in hole 123 can be but be not limited to 2-3cm, feeding spiro rod 121 can moisture content is higher and in the pasty state water-containing sludge push to
Sieve plate 122, and water-containing sludge is squeezed out from sieve pore 123 and is separated into strip or granular water-containing sludge；Paste water-containing sludge quilt
It is separated into after strip or granular water-containing sludge, whole surface area increases so that dried medium (such as dry gas) can be with
The contact area water-containing sludge of bigger accelerates water-containing sludge drying.In possible embodiment, sludge disperser is dry with roller
There is sludge conveyer belt between dry machine, make strip or granular sludge that can be delivered to roller drier by sludge disperser.Other
In possible embodiment, sludge disperser is integrated in roller drier, and sludge disperser can be directly in roller drier
Interior extrusion strip or granular water-containing sludge.
Roller drier 130 includes the drum motor that a roller 131 and one rotates to driving drum 131, and roller 131 has
There are a stack shell 1311, a sludge inlet 1312, a sludge discharge hole 1313, a hot wind air inlet 1314 and a hot wind exhaust outlet
1315, stack shell 1311 encloses one dry channel of structure, sludge inlet 1312, sludge discharge hole 1313, hot wind air inlet 1314 and heat
Wind exhaust outlet 1315 is respectively communicated in dry channel, and wherein sludge inlet 1312 and sludge discharge hole 1313 supplies aqueous dirt respectively
Mud ingresses and egresses out dry channel, and hot wind air inlet 1314 and hot wind exhaust outlet 1315 then supply a thermal current to import and be discharged respectively
Dry channel and so that thermal current is taken away a part of moisture of water-containing sludge.In the present embodiment, thermal current is being done with water-containing sludge
Moving direction in dry channel is roughly the same.In possible embodiment, stack shell can have there are two different openings, wherein one
Person is as sludge discharge hole, and another one is as hot wind exhaust outlet；In other possible embodiments, on stack shell tool there are one compared with
Big opening, the opening are used as sludge discharge hole and hot wind exhaust outlet simultaneously, make water-containing sludge and thermal current via same
A opening leaves stack shell.The thermal current being discharged via hot wind exhaust outlet can be handled via gas cleaning plant 195 again, such as
The dust that may be carried under one's arms in thermal current is removed using scrubbing tower.
Air compressor 140 includes that a compressor set 141 and a thermal energy recoverer 142, compressor set 141 may be, for example, appearance
Product formula compressor or aerodynamic force formula compressor, compressor set 141 can be used to improve gas pressure and generate a compressed air stream, institute
State thermal energy recoverer 142 be using gas as heat exchange medium, when compressor set 141 works generated thermal energy then by with heat
Can 142 heat exchange of recover and recycled so that thermal energy recoverer 142 can generate aforementioned thermal current, thermal energy recoverer 142 and
Appendix and another wind turbine can be equipped between hot wind air inlet 1314.Compressed air stream and thermal current, which can be used as dry gas, to be made
With.In a possible embodiment, thermal current can be further heated up by other heating units to required again before entering hot wind air inlet
Operating temperature, heating unit are, for example, electro-thermic heater or fuel type heater.
Sludge grinder 150 is wrapped set on the downstream of roller drier 130, the upstream of cyclone 160, sludge grinder 150
A runner 151 and a feeding-passage 152 are included, feeding-passage 152 is for guiding water-containing sludge, and feeding-passage 152 is for example with leakage
The shape of bucket, runner 151 are passed through for compressed air stream, and wherein one section in runner 151 is logical with charging for a Wen Shi throats 153
Road 152 is connected, and Wen Shi throats 153 have sectional area smaller in runner 151, this makes the flow velocity of compressed air stream increase, press
Power reduces, and Wen Shi throats 153 form negative-pressure sucking relative to feeding-passage 152, allow the water-containing sludge in feeding-passage 152 can
Be guided, suck Wen Shi throats 153, then at least a part of water-containing sludge by shearing action caused by high speed device stream and
It is crushed as smaller particle, runner 151 is taken out of to which the particle of water-containing sludge can be compressed air-flow.
Cyclone 160,170,180 is sequentially disposed at the downstream of roller drier 130 and sludge grinder 150, and cyclone
160,170,180 distinctly have a cyclone chamber, a sludge inlet, a sludge outlet, a gas access and a gas vent,
Middle sludge inlet, sludge outlet, gas access and gas vent are respectively communicated in cyclone chamber, sludge inlet and sludge outlet point
Cyclone chamber is not ingressed and egressed out for water-containing sludge, gas access and gas vent then supply a dry gas stream to import and be discharged respectively
Cyclone chamber.Usually there is cyclone chamber circular cross-section, gas access to guide dry gas stream cutting approximately along the circular cross-section
Line direction enters cyclone chamber so that dry gas stream helical rotation in cyclone chamber, and take away some of water-containing sludge
Moisture.In possible embodiment, sludge inlet and gas access can be the same openings on cyclone, that is, whirlwind
One on device is open while being used as sludge inlet and gas access.In possible embodiment, sludge outlet and gas go out
Mouth can also be the same opening on cyclone, that is, one on cyclone is open while going out as sludge outlet and gas
Mouthful.In possible embodiment, cyclone has multiple gas accesses.In cyclone 180, sludge is with gas via difference
Opening leave cyclone chamber, the gas can be led to These gases purifier 195 and be handled.
Wind turbine 190 can be used to generate a high-speed flow for improving gas flow rate, wind turbine 190, and high-speed flow can be with compression
Air-flow collaborates, and the two imports gas access behind interflow, as the dry gas stream；In possible embodiment, high-speed flow
Do not collaborate with high pressure draught, high-speed flow imports cyclone chamber via different openings respectively from high pressure draught；In possible reality
It applies in mode, a part of high-speed flow imports cyclone chamber with behind high pressure draught interflow through being open by one of cyclone,
Another part high-speed flow imports cyclone via another opening of cyclone.
By aforementioned sludge drier 100, the aqueous of 75-85% can be reached to moisture content according to following drying method for sludge
Sludge is dried：First, the water-containing sludge of paste is made to be separated into strip or granular aqueous dirt using sludge disperser 120
Mud recycles roller drier 130 that the moisture content of water-containing sludge is made to be reduced to 70% hereinafter, the stickiness of water-containing sludge can drop at this time
Low, when subsequent processing, is not easy to be attached to processing equipment surface；Then, using sludge grinder 150 that moisture content 70% is below
It is smaller particle that water-containing sludge, which crushes, then cyclone 160,170,180 is recycled to keep granular water-containing sludge further
Drying is to moisture content 50% hereinafter, completing required drying process.
Aforementioned drying method for sludge compared to the prior art the advantages of be, water-containing sludge can be by efficient drying, Er Qie
In the case of being not required to Forced Mixing sludge with low moisture content (below moisture content 50%), water-containing sludge is in sludge grinder and cyclone
In be also not easy to be attached on wall surface, solving the problems, such as the prior art, common feeding has some setbacks or blocks in a mixer.
Referring to FIG. 4, illustrated is the second embodiment of the utility model sludge dry system, with first embodiment
Main difference be that thermal current and moving direction of the water-containing sludge in dry channel are substantially opposite, contribute to increase drying
Effect；In addition to this, the gas that cyclone 280 is discharged is changed to be pocessed via another gas cleaning plant 296, without
Import gas cleaning plant 295.
In possible embodiment, also visual demand flows back the sludge after drying on a small quantity, but the reflux of dry sludge exists
In the utility model and not required that they be so.
Embodiment described above and/or embodiment are only the preferable realities for illustrating to realize the utility model technology
Example and/or embodiment are applied, not the embodiment of the utility model technology is made any form of restriction, any this field
Technical staff, in the range for not departing from the technological means disclosed in the utility model content, when can make a little change or modification
For other equivalent embodiments, but still it should be regarded as technology identical with the utility model in essence or embodiment.
Claims (8)
1. a kind of sludge dry system, to dry water-containing sludge, which is characterized in that including：
One roller drier, including a roller, the roller have a stack shell, a sludge inlet, a sludge discharge hole, a hot wind
Air inlet and a hot wind exhaust outlet, the stack shell enclose one dry channel of structure, the sludge inlet, sludge discharge hole, hot wind air inlet
And hot wind exhaust outlet is respectively communicated in the dry channel, the sludge inlet and the sludge discharge hole supply the water-containing sludge respectively
The dry channel is ingressed and egressed out, the hot wind air inlet and the hot wind exhaust outlet supply a thermal current to import and be discharged the drying respectively
Channel and so that the thermal current is taken away a part of moisture of the water-containing sludge；And
One air compressor, including a compressor set and a thermal energy recoverer, the compressor set, should to generate a compressed air stream
Thermal energy recoverer with the compressor set heat exchange generating the thermal current.
2. sludge dry system as described in claim 1, which is characterized in that further include a sludge disperser this will be sent to
The paste water-containing sludge of sludge inlet is separated into strip or granular water-containing sludge.
3. sludge dry system as claimed in claim 2, which is characterized in that the sludge disperser has a sieve plate, the sieve plate
It is upper that there are multiple sieve pores.
4. sludge dry system as claimed in claim 3, which is characterized in that the sludge disperser has a feeding spiro rod, uses
Pushing away the paste water-containing sludge toward the sieve plate.
5. sludge dry system as claimed in claim 3, which is characterized in that the aperture of multiple sieve pore is 2-3cm.
6. sludge dry system as described in claim 1, which is characterized in that it is dry set on the roller to further include an at least cyclone
There is a cyclone chamber, a sludge inlet, a sludge outlet, a gas access and a gas to go out for the downstream of dry machine, the cyclone
Mouthful, the sludge inlet, sludge outlet, gas access and gas vent be respectively communicated in the cyclone chamber, the sludge inlet and should
Sludge outlet ingresses and egresses out the cyclone chamber for the water-containing sludge respectively, and the gas access and the gas vent supply one respectively
Dry gas stream imports and the cyclone chamber is discharged and a part of moisture that makes the dry gas stream take away the water-containing sludge.
7. sludge dry system as claimed in claim 6, which is characterized in that it is dry set on the roller to further include a sludge grinder
The downstream of dry machine, the upstream of the cyclone, the sludge grinder are to be by least a part of crush of the water-containing sludge
Smaller particle.
8. sludge dry system as claimed in claim 7, which is characterized in that the sludge grinder includes that a confession is at least a part of
The compressed air stream by Wen throat and one be connected with the Wen throat and for import water-containing sludge feeding-passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024254.0U CN208087445U (en) | 2018-01-08 | 2018-01-08 | Sludge dry system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024254.0U CN208087445U (en) | 2018-01-08 | 2018-01-08 | Sludge dry system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208087445U true CN208087445U (en) | 2018-11-13 |
Family
ID=64065491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820024254.0U Expired - Fee Related CN208087445U (en) | 2018-01-08 | 2018-01-08 | Sludge dry system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208087445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108092A (en) * | 2019-03-28 | 2019-08-09 | 武汉天源环保股份有限公司 | A kind of high-speed rotational low temperature drying system, method and application |
-
2018
- 2018-01-08 CN CN201820024254.0U patent/CN208087445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108092A (en) * | 2019-03-28 | 2019-08-09 | 武汉天源环保股份有限公司 | A kind of high-speed rotational low temperature drying system, method and application |
| CN110108092B (en) * | 2019-03-28 | 2020-08-25 | 武汉天源环保股份有限公司 | High-speed rotational flow low-temperature drying system, method and application |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20220108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |