CN205575903U - Novel pile of spiral shell formula sludge dewaterer and screw axis thereof - Google Patents
Novel pile of spiral shell formula sludge dewaterer and screw axis thereof Download PDFInfo
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- CN205575903U CN205575903U CN201620348254.7U CN201620348254U CN205575903U CN 205575903 U CN205575903 U CN 205575903U CN 201620348254 U CN201620348254 U CN 201620348254U CN 205575903 U CN205575903 U CN 205575903U
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- retainer ring
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- 239000010802 sludge Substances 0.000 title claims abstract description 38
- 241001416181 Axis axis Species 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 claims abstract description 4
- 239000000706 filtrate Substances 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000003292 diminished effect Effects 0.000 abstract description 2
- 230000004308 accommodation Effects 0.000 abstract 1
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- 238000003475 lamination Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 244000144972 livestock Species 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
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- 238000000605 extraction Methods 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 241000192700 Cyanobacteria Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- NGONBPOYDYSZDR-UHFFFAOYSA-N [Ar].[W] Chemical compound [Ar].[W] NGONBPOYDYSZDR-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
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- 238000009360 aquaculture Methods 0.000 description 1
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Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a novel pile of spiral shell formula sludge dewaterer and screw axis thereof. This novel screw axis helical blade helical pitch perspective arrangement order is diminished to advancing the mud drum by row mud drum gradually, is the lead angle by 16 22 reduce to 6 gradually 14 the pitch of its axis body is crescent along arranging the mud drum orientation, and screw axis axis body from 13 positions of axial length, and its diameter is crescent to row mud drum orientation by advancing the mud drum, helical blade bottom both sides all be equipped with and the axis body central line between the contained angle be 20 45 prevent the closure plate, highly be not less than 23 of helical blade height. The utility model discloses can handle large proportion, mobile poor, the viscidity mud that greatly, easily agglomerates, enlarge the throughput and the accommodation of pile spiral shell machine, pitch is more reasonable, and the screw axis surface is more smooth, and frictional resistance in the time of effectively reducing mud and pass through the screw axis prevents stifled of mud, screw axis surface coating carbide wearing layer has prolonged the life of screw axis.
Description
Technical field
This utility model belongs to environmental technology field, relates to a kind of novel Stacked sludge dewatering machine and spiral thereof
Axle.
Background technology
Along with conventional folded spiral shell formula dewaterer is little with power consumption, simple and reliable for structure, smooth running, unmanned,
The advantage easily being automated, is approved by increasing industry and client；Competing at the equipment of solid-liquid separation
Strive in market, gradually occupy a tiny space, be mainly used in: municipal sewage plant；Food processing factory；Rubbish oozes
Filtrate；Biogas slurry in biogas engineering；The biochemical process of livestock products aquaculture；Medicated cigarette cyanophyceae, feces of livestock and poultry, dosing
Air-flotation scum etc..
Conventional folded spiral shell formula dewaterer helical axis dewatering period helical blade lift angle is generally 8～13 °, whole
Helical axis helical blade lift angle puts in order and is become larger to mud inlet end by mud outlet end.Owing to mud is in dehydration
During, with the quick reduction of moisture content, the frictional force with helical blade of mud can quickly increase, and spiral
Lift angle the least promotion ability is the strongest, existing helical axis helical blade lift arrangement mode, makes helical feed imitate
Rate is relatively low, and the sludge dewatering section of generation is shorter, and local pressure is big, causes dewatering time not enough, mud extraction moisture content
Higher, loose collar serious wear, service life of equipment is shorter；And plating, bore stake mud, riverway sludge,
Sewage Plant primary sludge, coagulating sedimentation, waterworks precipitating sludge, electroplating sludge, livestock breeding industry industry
In the sector applications such as mud, owing to shale is relatively bigger than conventional municipal mud difference, inanimate matter content is high, and mud can
Compressibility is poor, and activity coefficient is high, great, the poor fluidity of ratio, and viscosity is big, even contains long fibre, makes spiral shell
Rotation resistance coefficients is bigger, it is easy to caking, and conventional folded spiral shell formula dewaterer is in running, and mud easily hinders
Stagnant in the middle of helical blade, helical feed channel block, causes equipment fault, production to be not normally functioning, pin
Sell channel adaptive surface narrow, the most seriously hinder the development of folded spiral shell formula dewaterer.
Summary of the invention
It is an object of the invention to overcome existing conventional dehydration equipment process bigger than great, poor fluidity, viscosity,
The defect easily existed during caking mud, it is provided that a kind of disposal ability and subject range expand, can process than great,
Poor fluidity, viscosity greatly, are easily lumpd mud, can improve the Novel stack spiral shell formula sludge dewatering in loose collar service life
Machine and helical axis thereof.
The technical solution of the utility model is as follows:
The helical axis (being called for short Novel spiral spin axis) of a kind of novel Stacked sludge dewatering machine, it uses a kind of reducing
Variable-pitch auger axle, it is basic that the helical axis of whole design principle and former conventional Stacked sludge dewatering machine is designed with
Difference, in conjunction with helical feed principle, the Track character of dehydrated material change and the feature of screw extrusion, it is detailed
Scheme is as follows: Novel spiral spin axis helical blade helical pitch angle puts in order and tapered into entering mud box by spoil disposal case,
Lead angle is gradually decreased to 6 °～14 ° by 16 °～22 °, and (lead angle is again stricture of vagina lift angle, refers in screw thread
The circumference of footpath expansion and the angle of helix)；The pitch of its axis body (between adjacent two helical blades away from
From) be gradually increased along spoil disposal case direction, and helical axis axis body is from 1/3 position of axial length, its diameter is by entering mud
Case is gradually increased to spoil disposal case direction.
Owing to, in Stacked sludge dewatering machine dehydration, entering mud box end moisture percentage in sewage sludge higher, rubbing of mud
Wipe coefficient and activity coefficient is less, need bigger promotion ability (needing less lead of screw angle), right
The mud of rear end produces bigger pressure, promotes dehydration, makes whole dewatering period extend, and increases dewatering time,
Folded spiral shell machine dewatering period pressure more equalizes, and mud extraction moisture content is lower；And spoil disposal case end moisture percentage in sewage sludge is relatively low, dirty
Mud coefficient of friction and activity coefficient are bigger, it is not necessary to the biggest promotion ability (need not less lead of screw
Angle), mud, with the quick reduction of moisture content, makes mud coefficient of friction and activity coefficient sharply increase, causes
The frictional force of spoil disposal case section mud and helical blade is multiplied, and causes local pressure excessive, cause loose collar and
Helical axis weares and teares.This utility model combines helical feed principle (spiral lift angle the least promotion ability is the strongest),
To entering, mud box tapers into, pitch is along spoil disposal case side by spoil disposal case to propose the helical blade helical pitch angle of helical axis
To being gradually increased, diameter is by entering the design that mud box is gradually increased to spoil disposal case；This design both can be effective
Improve sludge dewatering efficiency, meanwhile, movable lamination and the damaged condition of fixing lamination can be reduced again, extend and live
Fold sheet and the service life of fixing lamination, compared with the most common Stacked sludge dewatering machine, service life can
Improve more than 3～4 times.
Above-mentioned Novel spiral spin axis helical blade two bottom sides be equipped with the angle between axis body centrage be 20 °～
The anti-closure plate of 45 °, is highly not less than the 2/3 of helical blade height, and the effect of anti-closure plate is material movement process
In, the right angle of the reduction helical blade frictional resistance to material, prevent material from pausing and seize.
Above-mentioned Novel spiral spin axis, uses tungsten argon arc Artificial Control or the welding technique of semiautomatic control,
The top built-up welding multilamellar super abrasive hard alloy layer of spiral shaft vane；In this super abrasive hard alloy layer containing cobalt, tungsten,
The rare metals such as chromium, have preferable high temperature, room temperature hardness, fabulous intensity, high temperature anti-fatigue performance, anti-
Thermal shock impact property and good antioxygenic property, decay resistance (chromium content about 22～33%), good
Self-lubricating property, the highest wear-resisting abrasive polishing machine, and the combination property such as abrasion between good anti-metal,
Coefficient of friction between this super abrasive hard alloy layer and rustless steel is 0.2；Remain to when 800 DEG C keep hardness
At 318HV, anti-wear performance does not changes.Whole helical axis is made through 40 multiple working procedure polish, spiral shell
Spin axis surface is more mellow and fuller, smooth, uses fine grinding and the polish mode of polishing, makes helical axis helical blade and work
Rotating ring contact surface roughness reaches 0.8～1.6 μm, after wearing layer polish completes, and wearing layer i.e. super abrasive hard
The thickness of alloy-layer is 2～3mm.
This utility model is a kind of uses the novel Stacked sludge dewatering machine of above-mentioned Novel spiral spin axis by multiple parts
Constituting, it includes by retainer ring (annular fixing lamination), loose collar (ring shaped movable lamination) and above-mentioned novel
The filtering body that helical axis is constituted, also includes case, filtrate collecting tank, filtrate outlet, enters mud box and spoil disposal
Case；Described casing interior is arranged in order several retainer ring, is configured with and retainer ring between adjacent two retainer ring
Concentric and movable loose collar, the internal diameter of loose collar is less than the internal diameter of retainer ring；Helical axis is from retainer ring and activity
The centre bore of ring passes；Filtrate collecting tank and filtrate outlet it is provided with bottom filtering body；Enter mud box and spoil disposal
Case is separately positioned on the two ends of helical axis.The external diameter of retainer ring is bigger than the external diameter of loose collar, adjacent two retainer ring
Between at the outer end edges more than loose collar external diameter, be provided with adjustment block, every piece of adjustment block is all fixed with connecting rod
Connecting, connecting rod two ends are respectively and fixedly installed on mud box and spoil disposal case.Described Novel spiral spin axis be arranged on
The frequency conversion speed-down machine of spoil disposal case side or other driving means connect.
The beneficial effects of the utility model:
This utility model fundamentally solves conventional Stacked sludge dewatering machine short easy to wear asking in service life
Topic, compared with the most common Stacked sludge dewatering machine, service life can improve more than 4～6 times.
This utility model is proved by multiple contrast test, compared with the most common Stacked sludge dewatering machine,
Moisture percentage in sewage sludge can be made to reduce by 5～8 percentage points on year-on-year basis, customer satisfaction degree is greatly improved.
This utility model efficiently solves the problem that folded spiral shell machine subject range is little, expands disposal ability and adapts to model
Enclose, can process and greatly, easily lump mud than great, poor fluidity, viscosity, not only cover original application neck
Territory, and effectively expanded plating, bore stake mud, riverway sludge, Sewage Plant primary sludge, coagulating sedimentation,
Waterworks precipitating sludge, electroplating sludge, the Treatment of Sludge of the industry such as mud of livestock breeding industry industry, from skill
Widening Sales Channel in art, the application prospect making product is more optimistic.
This helical axis of this utility model uses special processing process to make, and compares normal spiral axle, and surface is more smooth,
Can effectively reduce mud by helical axis time frictional resistance, prevent mud from blocking up axle；This screw shaft surface heap is welded with
More firmly thicker, more wear-resisting hard alloy abrasion-resistant layer, can extend the service life of helical axis.
Accompanying drawing explanation
Fig. 1 is the structural representation of the helical axis of Stacked sludge dewatering machine of the present utility model；
Fig. 2 is the structural representation of Stacked sludge dewatering machine of the present utility model；
Fig. 3 is the schematic diagram that in Stacked sludge dewatering machine of the present utility model, retainer ring is connected with loose collar.
In figure: 1, axis body 2, anti-closure plate 3, helical blade 4, frequency conversion speed-down machine or other driving means 5,
Spoil disposal case 6, helical axis 3A, dewatering period 3B, enriching section 7, retainer ring 8, loose collar 9,
Adjustment block 10, connecting rod 11, enter mud box 12, case 13, filtrate collecting tank 14, filtrate
Outlet
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described.
Embodiment
As it is shown in figure 1, the helical axis of a kind of novel Stacked sludge dewatering machine (being called for short Novel spiral spin axis), it
Using a kind of reducing variable-pitch auger axle, this Novel spiral spin axis helical blade helical pitch angle puts in order by spoil disposal case
Tapering into entering mud box, lead angle is gradually decreased to 6 °～14 ° by 16 °～22 °；The pitch of its axis body is along row
Mud box direction is gradually increased, and pitch is more reasonable；And helical axis axis body is from 1/3 position of axial length, its diameter
It is gradually increased to spoil disposal case direction by entering mud box.Its helical blade 3 two bottom sides of this Novel spiral spin axis be equipped with and
Angle between axis body 1 centrage is the anti-closure plate 2 of 20 °～45 °, is highly not less than helical blade height
2/3, during the effect of anti-closure plate is material movement, the friction of material is hindered by the right angle reducing helical blade
Power, prevents material pause from seizing, blocking up axle.This Novel spiral spin axis uses Gas Tungsten Arc Welding technique, at helical axis
Top (outer) heap of blade is welded with the super abrasive hard alloy layer containing rare metals such as cobalt, tungsten, chromium；This surpasses
Wearable hard alloy layer thickness be the coefficient of friction between 2～3mm, and rustless steel be 0.2；When 800 DEG C still
Hardness can be kept at 318HV.This Novel spiral spin axis surface is more mellow and fuller, smooth, through fine grinding and polishing polish,
Helical axis helical blade and loose collar contact surface roughness reach 0.8～1.6 μm.
As in figure 2 it is shown, the special Stacked sludge dewatering machine of this utility model one construction slurry is by multiple parts structures
Becoming, it includes by retainer ring 7 (the fixing lamination of annular), loose collar 8 (ring shaped movable lamination) and above-mentioned novel
The filtering body that helical axis (i.e. helical axis 6) is constituted, also includes case 12, filtrate collecting tank 13, filtrate
Outlet 14, enter mud box 11 and spoil disposal case 5；Described casing interior is arranged in order several retainer ring 7, phase
It is configured with the loose collar 8 concentric and movable with retainer ring, the internal diameter ratio of loose collar 7 between adjacent two retainer ring 7
The internal diameter of retainer ring 8 is little；Helical axis 6 passes from the centre bore of retainer ring 7 and loose collar 8；Filtering body
Bottom is provided with filtrate collecting tank 13 and filtrate outlet 14；Enter mud box 11 and spoil disposal case 5 is separately positioned on spiral shell
The two ends of spin axis 6；The external diameter of retainer ring 7 is bigger than the external diameter of loose collar 8, greatly between adjacent two retainer ring
Being provided with adjustment block 9 at the outer end edges of loose collar external diameter, every piece of adjustment block 9 is all fixed with connecting rod 10
Connecting, connecting rod 10 two ends are respectively and fixedly installed on mud box 11 and spoil disposal case 5.Helical axis 6 and installation
Frequency conversion speed-down machine or other driving means 4 in spoil disposal case 5 side connect.
Whole work process is as follows: be arranged on frequency conversion speed-down machine or other driving means 4 of spoil disposal case 5 side
Dynamic, first drive helical axis 6 to rotate, promote mud to move to spoil disposal case 5 direction, supply by entering mud box 11
To mud, mud enters retainer ring 7, chamber space between loose collar 8 and helical axis 6；At enriching section 3B,
Owing to the internal diameter of loose collar 8 is less than the internal diameter of retainer ring 7, helical axis 13 when rotated, helical blade 3
Top promotes loose collar 5 irregularly to move about between retainer ring 4, and the mud in passage is produced extruding
Shearing force, makes the most of moisture content in mud by between loose collar 5 and retainer ring 4 in motor process
After gap flows out to filtrate collecting tank 13, discharge from filtrate outlet 14.Afterwards, helical blade 3 continues
Mud spiral is promoted to travel forward along the hand of spiral, to dewatering period 3A i.e. helical axis 6 increased diameter area,
Further the mud in helical duct is made thinner, be effectively increased sludge dewatering efficiency；One is entered through dewatering period 3A
After step dehydration, mud is discharged from spoil disposal case 5.
This utility model is put in order by spoil disposal case to entering mud box gradually by helical axis helical blade helical pitch angle
The particular design diminished, makes the pressure of dewatering period 3A more equalize, and makes dewatering period naturally increase extension
Dewatering time；Avoiding original conventional folded spiral shell machine local pressure big, dewatering time is short, causes dehydrating effect not
Good problem；Screw shaft surface fine grinding and polishing, effectively reduce mud by frictional resistance during helical axis；
At the top built-up welding super abrasive hard alloy layer of spiral shaft vane, reduce movable lamination and the damage of fixing lamination
Degree, extends movable lamination and the service life of fixing lamination.
Claims (8)
1. the helical axis of a novel Stacked sludge dewatering machine, it is characterized in that, it uses a kind of reducing variable-pitch auger axle, whole helical axis helical blade helical pitch angle puts in order and is tapered into entering mud box by spoil disposal case, lead angle is gradually decreased to 6 °～14 ° by 16 °～22 °, the pitch of its axis body is gradually increased along spoil disposal case direction, and helical axis axis body is from 1/3 position of axial length, and its diameter is gradually increased to spoil disposal case direction by entering mud box.
The helical axis of novel Stacked sludge dewatering machine the most as claimed in claim 1, it is characterised in that helical blade two bottom sides is equipped with the anti-closure plate that the angle between axis body centrage is 20 °～45 °, is highly not less than the 2/3 of helical blade height.
The helical axis of novel Stacked sludge dewatering machine the most as claimed in claim 1 or 2, it is characterised in that the outer heap in spiral shaft vane is welded with one layer of hard alloy layer.
The helical axis of the most novel Stacked sludge dewatering machine, it is characterised in that the thickness of described hard alloy layer is 2～3mm.
The helical axis of novel Stacked sludge dewatering machine the most as claimed in claim 3, it is characterised in that described hard alloy layer is containing rare metal cobalt, tungsten, the super abrasive hard alloy layer of chromium.
6. the novel Stacked sludge dewatering machine of the helical axis used as described in claim 1-5 is arbitrary, it is characterized in that, it includes the filtering body being made up of retainer ring, loose collar and above-mentioned helical axis, also includes case, filtrate collecting tank, filtrate outlet, enters mud box and spoil disposal case；Described casing interior is arranged in order several retainer ring, is configured with the loose collar concentric and movable with retainer ring between adjacent two retainer ring, and the internal diameter of loose collar is less than the internal diameter of retainer ring；Helical axis passes from the centre bore of retainer ring and loose collar；Filtrate collecting tank and filtrate outlet it is provided with bottom filtering body；Enter mud box and spoil disposal case is separately positioned on the two ends of helical axis.
Novel Stacked sludge dewatering machine the most as claimed in claim 6, it is characterized in that, the external diameter of retainer ring is bigger than the external diameter of loose collar, at the outer end edges more than loose collar external diameter, it is provided with adjustment block between adjacent two retainer ring, every piece of adjustment block is all fixedly connected with the connecting rod, and connecting rod two ends are respectively and fixedly installed on mud box and spoil disposal case.
Novel Stacked sludge dewatering machine the most as claimed in claims 6 or 7, it is characterised in that: described helical axis is connected with the frequency conversion speed-down machine being arranged on spoil disposal case side or other driving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348254.7U CN205575903U (en) | 2016-04-22 | 2016-04-22 | Novel pile of spiral shell formula sludge dewaterer and screw axis thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348254.7U CN205575903U (en) | 2016-04-22 | 2016-04-22 | Novel pile of spiral shell formula sludge dewaterer and screw axis thereof |
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| Publication Number | Publication Date |
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| CN205575903U true CN205575903U (en) | 2016-09-14 |
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|---|---|---|---|
| CN201620348254.7U Expired - Fee Related CN205575903U (en) | 2016-04-22 | 2016-04-22 | Novel pile of spiral shell formula sludge dewaterer and screw axis thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712605A (en) * | 2016-04-22 | 2016-06-29 | 上海同臣环保有限公司 | Novel stacked screw sludge dewatering machine and spiral shaft thereof |
| CN106746424A (en) * | 2016-12-28 | 2017-05-31 | 徐州工程学院 | A kind of device for dehydrating sladge waste and its method of work based on microbiological coagulation method |
| WO2017143943A1 (en) * | 2016-02-22 | 2017-08-31 | 上海同臣环保有限公司 | Novel laminated and spiral sludge dewatering machine |
| CN107285599A (en) * | 2017-08-08 | 2017-10-24 | 哈尔滨华崴重工有限公司 | Energy-autarchic type sludge drying is equipped with Incineration in CFB and tail gas clean-up |
-
2016
- 2016-04-22 CN CN201620348254.7U patent/CN205575903U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143943A1 (en) * | 2016-02-22 | 2017-08-31 | 上海同臣环保有限公司 | Novel laminated and spiral sludge dewatering machine |
| US11034603B2 (en) | 2016-02-22 | 2021-06-15 | Shanghai Techase Environment Protection Co., Ltd. | Multi plate screw press sludge dewatering machine |
| CN105712605A (en) * | 2016-04-22 | 2016-06-29 | 上海同臣环保有限公司 | Novel stacked screw sludge dewatering machine and spiral shaft thereof |
| CN105712605B (en) * | 2016-04-22 | 2018-06-08 | 上海同臣环保有限公司 | A kind of novel Stacked sludge dewatering machine and its helical axis |
| CN106746424A (en) * | 2016-12-28 | 2017-05-31 | 徐州工程学院 | A kind of device for dehydrating sladge waste and its method of work based on microbiological coagulation method |
| CN107285599A (en) * | 2017-08-08 | 2017-10-24 | 哈尔滨华崴重工有限公司 | Energy-autarchic type sludge drying is equipped with Incineration in CFB and tail gas clean-up |
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|---|---|---|---|
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Granted publication date: 20160914 |