CN206337132U - A kind of roller fermentation tank - Google Patents
A kind of roller fermentation tank Download PDFInfo
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- CN206337132U CN206337132U CN201621256817.6U CN201621256817U CN206337132U CN 206337132 U CN206337132 U CN 206337132U CN 201621256817 U CN201621256817 U CN 201621256817U CN 206337132 U CN206337132 U CN 206337132U
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- fermentation tank
- roller fermentation
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Abstract
The utility model provides a kind of roller fermentation tank, the roller fermentation tank sets charging aperture and discharging opening, it is characterized in that the charging aperture sets feed side to cover, discharging opening sets exit side to cover, roller fermentation tank constitutes a closed fermenting space with feed side capping, exit side capping, feed side capping top is provided with blast pipe, exit side capping top is provided with induced duct, roller fermentation tank length direction is provided with several monitoring sections, each monitoring section sets several monitoring holes along cylinder outer wall.The utility model can realize that the quick of sludge, low energy consumption are biological dewatered, and possibility is provided for the multi-objects and multi-layers of sludge, multipath processing disposal.
Description
Technical field
The utility model belongs to environmental protection technical field, is related to a kind of roller fermentation tank.
Background technology
With the fast development of China's urban wastewater treatment cause, sewage treatment plant's quantity is on the increase, sludge yield
Also increasingly increase.According to statistics, current China's urban wastewater treatment firm sludge year yield has reached 30,000,000 tons（Moisture content
80%）, 50,000,000 tons or so are up to " 12 " latter stage.Sludge reduction is the important step of specific resistance to filtration, for
Reduce specific resistance to filtration expense significant.
Mechanical sludge dewatering is the most frequently used quantitative reduction method.Sludge is through centrifuge, vacuum filter, belt filter press etc.
Moisture content is still up to 78% ~ 85% or so after dewater treatment, even across plate compression deep dehydration processing after, sludge it is aqueous
Rate is also still up to 55% ~ 65%, and transport and subsequent treatment disposal of the high-moisture percentage to sludge bring very big difficulty.
The moisture content of sludge can be reduced to 10% ~ 30% by the way of heat drying, current domestic and international application is more
Sludge drying process includes fluid bed desiccation, belt-type drying, oar blade type desiccation, horizontal rotating disc type desiccation, vertical disc formula desiccation
With desiccation etc. of spraying.However, sludge drying is the process of an energy net disbursement, steam, fuel oil, natural gas, coal etc. are utilized
As sludge drying thermal source, the problem of generally existing desiccation high expensive.In addition, during sludge heat drying, it is necessary to strictly control oxygen
The factors such as gas concentration, dust content and particle temperature, otherwise easily occur drying equipment explosion accident.
Sludge aerobic fermented manure refers to that zymophyte carries out metabolism using the organic matter in sludge under aerobic condition,
And the process of heat is discharged, the matured compost product moisture content after fermentation can typically be reduced to 40% ~ 45%.But sludge aerobic is sent out
There is problems with ferment compost：1. floor space is big；2. fermentation time is long, generally requires 20d ~ 30d or so；3. Ventilation Control
Difficulty, deficiency in draught easily causes local anaerobic and produces foul smell, and ventilation is excessive to take away heat reduction fermentation temperature；4. fermentation is produced
Foul smell uncontrollable discharge pollutes environment；5. need to add a large amount of auxiliary materials, minimizing limitation.
Utility model content
The purpose of this utility model is to provide a kind of roller fermentation tank, for overcome existing sludge reduction technology no
Foot.
To achieve these goals, the technical solution of the utility model is as follows：A kind of roller fermentation tank, the roller fermentation
Tank sets charging aperture and discharging opening, it is characterised in that the charging aperture sets feed side to cover, and discharging opening sets exit side to cover,
Roller fermentation tank constitutes a closed fermenting space with feed side capping, exit side capping, and feed side capping top is set
There is blast pipe, exit side capping top is provided with induced duct, roller fermentation tank length direction is provided with several monitoring sections,
Each monitoring section sets several monitoring holes along cylinder outer wall, and the discharging opening is also connected to charging by back-mixing material passage
Mouthful.Heated dry air enters roller fermentation tank from blast pipe, is contacted with the Sludge Surface in roller fermentation tank, and fermentation is provided to sludge
Required oxygen simultaneously takes away the vapor evaporated；Damp-heat air is discharged from induced duct.
Preferably, the induced duct is connected with odor removal, and the damp-heat air of discharge is discharged after being handled through odor removal.
Preferably, the roller fermentation tank wall is enclosed with one layer of heat preservation layer, is scattered and disappeared with reducing heat radiation in fermentation tank.
The heat-insulation layer can be insulation material or vacuum heat-insulating layer.
Preferably, the charging aperture sets feed gate, and the discharging opening sets discharge gate.
Preferably, the roller fermentation top tank structure is provided with spiral flight, and the spiral flight is with roller fermentation tank
Rotate, sludge in roller is stirred in stirring, to avoid sludge from overstocking caking, and promote sludge fully to be contacted with air, while with
Sludge is gradually promoted to discharging opening in the rotation of helical form flight, roller.
Preferably, temperature sense probe and oxygen concentration inductive probe are set in the monitoring holes of the roller fermentation tank.
Preferably, roller fermentation tank sets a monitoring section every 2 ~ 4m, and each monitoring section is uniformly set along cylinder outer wall
3 ~ 6 monitoring holes are equipped with, temperature sense probe and oxygen concentration inductive probe stretch into 10 ~ 15cm in roller, institute by monitoring holes
The temperature and oxygen concentration data of monitoring are wirelessly transmitted to central control room.Central control room is analyzed the data received
After processing, according to the technological parameter of design, the velocity of rotation and the frequency, intake and absorbing quantity of roller fermentation tank are adjusted.
Preferably, roller fermentation tank feed side and discharging side lower part are provided with support base, by adjusting base just,
The axis and horizontal line that roller can be made are in 0 ~ 5 ° of angle.By controlling the size of this angle, can adjust be fermented sludge to
The speed of discharging opening conveying.
The utility model compared with prior art, has the following advantages that and beneficial effect：The utility model passes through air-vent
Internal damp-heat air is drawn, while introducing fresh air outside by air inlet, realizes that the quick of sludge, low energy consumption are biological
Desiccation, possibility is provided for the multi-objects and multi-layers of sludge, multipath processing disposal.
Brief description of the drawings
Fig. 1 is to be combined setting with dehumidifying heat pump according to a kind of biological dewatered device of roller of the utility model specific embodiment
Structural representation.
Numbered in figure：
1-charging aperture；2-roller fermentation tank；3-insulation material；4-temperature sense probe and oxygen concentration sensing are visited
Head；5-air inducing pipe flange；6-induced duct；7-exit side is covered；8-discharging opening；9-discharge gate；10-spiral flight；
11-motor；12-little gear；13-external tooth wheel rim；14-feed gate；15-air inlet；16-feed side is covered；
17-base；18-charging port strobe；19-dehumidifying heat pump；20-damp-heat entrance；The outlet of 21-cooling gas；22-fresh sky
Gas entrance；23-heated dry air is exported.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.According to following explanation and claim
Book, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing is used using very simplified form and
Non- accurately ratio, only to convenient, lucidly aid illustration the utility model embodiment purpose.
With reference to Fig. 1, describe a kind of heat pump auxiliary sludge organism desiccation apparatus of the utility model in detail and its desiccation is dirty
The method of mud.
The utility model provides a kind of heat pump and aids in sludge organism desiccation apparatus, including the biological dewatered device of roller and removes
Damp and hot pump two parts.
Wherein, the biological dewatered device of roller includes charging aperture 1 and feed gate 18, roller fermentation tank 2, feed side capping
16th, exit side covers 7, temperature sense probe and oxygen concentration inductive probe 4, discharging opening 9 and discharge gate 8, blast pipe 15, drawn
Airduct 6, motor 11 and little gear 12, external tooth wheel rim 13, base 17.
In the above-mentioned technical solutions, sealing knot is set between roller fermentation tank 2 and feed side capping 16, exit side capping 7
Structure, so that a closed fermenting space is constituted, the foul smell effusion pollution environment that can prevent fermentation process from producing.
In the above-mentioned technical solutions, roller fermentation tank 2 is cylindric, and 10 ~ 15m of length, 1 ~ 2m of diameter, its outer wall is enclosed with
One layer of heat preservation material 3, is scattered and disappeared with reducing heat radiation in fermentation tank.
In the above-mentioned technical solutions, the inwall of roller fermentation tank 2 is provided with spiral flight 10,0.2 ~ 0.5m of pitch, and from entering
Material mouth to the direction of discharging opening, pitch is become larger from small, rotated with roller, and sludge in roller is stirred in stirring, to avoid
Sludge overstocks caking, and promotes sludge fully to be contacted with air.Aerobic fermentation bacterium carries out metabolism under aerobic conditions, degraded
Organic matter in substrate simultaneously discharges heat.In addition, with the rotation of spiral flight 10, sludge is gradually pushed away to discharging opening in roller
Enter.
In the above-mentioned technical solutions, feed side covers 16 tops and is provided with blast pipe 15 and air intake pipe flange 16.Exit side
Capping top is provided with induced duct 6 and air inducing pipe flange 5.Heated dry air enters roller fermentation tank 2 from blast pipe 15, with sludge table
Face is contacted, and oxygen needed for providing fermentation to sludge simultaneously takes away the vapor evaporated；Damp-heat air is discharged from induced duct 6.
In the above-mentioned technical solutions, roller fermentation tank 2 sets a monitoring section every 2 ~ 4m, and each monitoring section is along roller
Outer wall opens a monitoring holes every 60 ° ~ 120 °, and temperature sense probe and oxygen concentration inductive probe 4 stretch into roller by monitoring holes
Interior 10 ~ 15cm, the temperature monitored and oxygen concentration data are wirelessly transmitted to central control room.Central control room will be received
After data are analyzed and processed, according to the technological parameter of design, adjust the velocity of rotation and the frequency of roller fermentation tank, intake and
Absorbing quantity.Because the temperature of feed side is relatively low, and the temperature of exit side is of a relatively high, therefore, and adjacent the two of nearly feed side
Spacing between individual monitoring section is larger, and the spacing between the two neighboring monitoring section of nearly exit side is smaller, and nearly charging
The monitoring hole number set on the monitoring section of side is more, and the monitoring hole number set on the monitoring section of nearly exit side compared with
It is few.
In the above-mentioned technical solutions, the outer wall of roller fermentation tank 2 is provided with external tooth wheel rim 13, external tooth wheel rim 13 and variable-frequency electric
The contact engagement of little gear 12 on machine 11, engine 11 drives little gear 12 to rotate, and then drives roller fermentation tank to rotate.Pass through
Control adjustable frequency motor velocity of rotation, the adjustable sludge that is fermented stirs the frequency and to discharging opening transporting velocity.
In the above-mentioned technical solutions, the feed side of roller fermentation tank 2 and discharging side lower part are provided with support base 17, pass through
Adjust base just, the axis and horizontal line that can make roller are in 0 ~ 5 ° of angle.By controlling the size of this angle, it can adjust
It is fermented the speed that sludge is conveyed to discharging opening.Beam is set in support base 17, to avoid roller fermentation tank 2 from rotating
The vibrations produced in journey are with influence of noise.
A kind of heat pump auxiliary sludge organism desiccation apparatus provided by the utility model, it is described also including dehumidifying heat pump 19
The heat pump 19 that dehumidifies includes damp-heat entrance 20, cooling gas outlet 21, fresh air inlet 22 and heated dry air outlet 23, described
Induced duct is connected with the damp-heat entrance 20 for the heat pump that dehumidifies, and the blast pipe is connected with heated dry air outlet 23, and cooling gas goes out
Mouth, fresh air inlet are then connected with extraneous air.Described induced duct 6 is connected with the damp-heat entrance 20 for the heat pump 19 that dehumidifies
Logical, the heat that damp-heat air condensation is discharged passes to fresh dried air by heat exchanger, and the air after being cooled is through removing
Discharged naturally after smelly device processing；Fresh hot air after heated enters roller fermentation tank 2 by air inlet 15, maintains roller hair
Temperature promotes the rapid evaporation of moisture in sludge at 55 DEG C ~ 75 DEG C in fermentation tank.
In the above-mentioned technical solutions, sludge enters from charging aperture 1, is dried in roller fermentation tank 2, and as spiral is copied
The rotation of plate is gradually delivered to roller end, and desiccation apparatus is discharged from discharging opening 8.Preferably, the discharging opening is also by returning
Batch mixing passage is connected to charging aperture.Moisture percentage in sewage sludge after desiccation is less than 40%, part dewatered sludge by back-mixing to charging aperture, with
Adjust into mud moisture content to 60% or so.Sludge residence time in roller fermentation tank is 2d ~ 5d.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the utility model scope
Fixed, any change that the those of ordinary skill in the utility model field does according to the disclosure above content, modification belong to right and wanted
Seek the protection domain of book.
Claims (7)
1. a kind of roller fermentation tank, the roller fermentation tank sets charging aperture and discharging opening, it is characterised in that the charging aperture is set
Feed side capping is put, discharging opening sets exit side to cover, roller fermentation tank constitutes one with feed side capping, exit side capping
Closed fermenting space, feed side capping top is provided with blast pipe, and exit side capping top is provided with induced duct, sent out along roller
Fermentation tank length direction is provided with several monitoring sections, and each monitoring section sets several monitoring holes along cylinder outer wall, described
Discharging opening is also connected to charging aperture by back-mixing material passage.
2. roller fermentation tank as claimed in claim 1, it is characterised in that the induced duct is connected with odor removal.
3. roller fermentation tank as claimed in claim 1, it is characterised in that the roller fermentation tank wall is enclosed with one layer of heat preservation
Layer.
4. roller fermentation tank as claimed in claim 1, it is characterised in that the charging aperture sets feed gate, the discharging
Mouth sets discharge gate.
5. roller fermentation tank as claimed in claim 1, it is characterised in that the roller fermentation top tank structure is provided with spiral and copied
Plate.
6. roller fermentation tank as claimed in claim 1, it is characterised in that temperature is set in the monitoring holes of the roller fermentation tank
Inductive probe and oxygen concentration inductive probe.
7. roller fermentation tank as claimed in claim 1, it is characterised in that roller fermentation tank feed side and discharging side lower part are all provided with
Support base is equipped with, axis and the horizontal line of roller fermentation tank are in 0 ~ 5 ° of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256817.6U CN206337132U (en) | 2016-11-23 | 2016-11-23 | A kind of roller fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256817.6U CN206337132U (en) | 2016-11-23 | 2016-11-23 | A kind of roller fermentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206337132U true CN206337132U (en) | 2017-07-18 |
Family
ID=59308762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621256817.6U Active CN206337132U (en) | 2016-11-23 | 2016-11-23 | A kind of roller fermentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206337132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641907A (en) * | 2018-07-18 | 2018-10-12 | 无锡子豪环保技术发展有限公司 | A kind of biological fermentation device |
| CZ308080B6 (en) * | 2019-04-24 | 2019-12-18 | DEKONTA, a.s. | A method for bio-drying sewage sludge and device for implementation of this method |
-
2016
- 2016-11-23 CN CN201621256817.6U patent/CN206337132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641907A (en) * | 2018-07-18 | 2018-10-12 | 无锡子豪环保技术发展有限公司 | A kind of biological fermentation device |
| CZ308080B6 (en) * | 2019-04-24 | 2019-12-18 | DEKONTA, a.s. | A method for bio-drying sewage sludge and device for implementation of this method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200616 Address after: 200092 Shanghai, Zhongshan, North Road, No. two, No. 901, No. Co-patentee after: SHANGHAI SHENHUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee after: SHANGHAI MUNICIPAL ENGINEERING DESIGN INSTITUTE (GROUP) Co.,Ltd. Address before: 200092 Shanghai, Zhongshan, North Road, No. two, No. 901, No. Patentee before: SHANGHAI MUNICIPAL ENGINEERING DESIGN INSTITUTE (GROUP) Co.,Ltd. |