CN107117791A - A kind of riverway sludge is dehydrated retracting device - Google Patents
A kind of riverway sludge is dehydrated retracting device Download PDFInfo
- Publication number
- CN107117791A CN107117791A CN201710498900.7A CN201710498900A CN107117791A CN 107117791 A CN107117791 A CN 107117791A CN 201710498900 A CN201710498900 A CN 201710498900A CN 107117791 A CN107117791 A CN 107117791A
- Authority
- CN
- China
- Prior art keywords
- chamber
- teeter chamber
- feeding
- feeding chamber
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
Retracting device is dehydrated the invention discloses a kind of riverway sludge, including teeter chamber, feeding chamber, exhausting centrifuge and base, described feeding chamber is located at the lower section of teeter chamber, the left and right sides of described teeter chamber lower end is equipped with feeding chamber, the bottom of described feeding chamber is mounted on bottom fixed mount, the bottom of described bottom fixed mount is mounted on conveying motor, the top of described conveying motor is mounted on spiral feeding shaft, the top of described feeding chamber is equipped with pan feeding chamber, described spiral feeding shaft is through whole feeding chamber and end is located at pan feeding intracavitary, the bottom of described feeding chamber is equipped with drainpipe, the bottom of described teeter chamber is provided with top fixed mount, the upper end of top fixed mount is provided with stirring motor, the bottom of stirring motor is provided with stirring shaft, the bottom of stirring shaft is provided with puddle support, the beneficial effects of the invention are as follows：Dewatering efficiency is sufficiently improved, dehydration quality is improved, while the nutriment in mud and debris are separated.
Description
Technical field
The present invention relates to a kind of plant equipment, specifically a kind of riverway sludge dehydration retracting device.
Background technology
The Changjiang river areas to the south especially southeastern coastal areas of China are high due to level of ground water, and geologic structure is complicated, public,
Industry, civil buildings, as building foundation, during pile foundation construction, have a large amount of construction slurries to produce typically all using pile foundation
(per cubic natural, soil, can produce 4~5 cubes of mud, each foundation engineering generally produces thousands of or even tens side's mud),
With the continuous quickening of urbanization process, all kinds of engineerings such as high level, high-rise building, subway, super expressway, large bridge are built
If more and more, the yield of mud is also increasing.Environmental pollution and the wasting of resources will be caused by such as dealing with improperly.
Currently, China's sludge dewatering mode is based on mechanical dehydration, including pressure extrusion dehydration and centrifugal dewatering etc..Often
Dewatering machine includes belt filter press, plate and frame filter press, vacuum filter and spiral pressing dehydrator etc.；Prior art
Subject matter is that dewatered sludge moisture content is higher, sludge reduction DeGrain；Simultaneously not only containing various in mud
Contain considerable nutriment in debris, and mud, mud is a kind of natural fertilizer, and current sludge treatment mode is simultaneously
The value of mud is not made full use of.
The content of the invention
Retracting device is dehydrated it is an object of the invention to provide a kind of riverway sludge, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of riverway sludge is dehydrated retracting device, including teeter chamber, feeding chamber, exhausting centrifuge and base, and described is defeated
Expect that chamber is located at the lower section of teeter chamber, the left and right sides of described teeter chamber lower end is equipped with feeding chamber, the bottom of described feeding chamber
End is mounted on bottom fixed mount, and the bottom of described bottom fixed mount is mounted on conveying motor, the top of described conveying motor
Spiral feeding shaft is mounted on, the top of described feeding chamber is equipped with pan feeding chamber, and described spiral feeding shaft is through whole defeated
Expect chamber and end is located at pan feeding intracavitary, the bottom of described feeding chamber is equipped with drainpipe, and described teeter chamber is located at conveying
The upper end of the chamber and bottom of teeter chamber is connected with pan feeding chamber, the bottom of described teeter chamber is provided with top fixed mount, and top is solid
The upper end for determining frame is provided with stirring motor, and the bottom of described stirring motor is provided with stirring shaft, described teeter chamber it is upper
The centre position of top plate is provided with stirring axle bearing, and described stirring shaft is spacing in stirring axle bearing, and described stirring turns
The bottom of axle is provided with puddle support, and described puddle support is divided into outer puddler and interior mixing blade, the left and right on the top of teeter chamber
Both sides are mounted on air-heater, and the bottom of described air-heater is mounted on Hot-air fan, and described Hot-air fan is respectively positioned on teeter chamber
Interior, the left and right sides of described teeter chamber is mounted on auxiliary material case, and the bottom of auxiliary material is provided with liquid-feeding tube, the end of described liquid-feeding tube
End is stretched into teeter chamber, and the front and rear sides of the bottom of described teeter chamber are mounted on support base, and the bottom of support base is installed
On base, described teeter chamber is fixed on base by support base, and reinforcement, institute are provided between the feeding chamber of the left and right sides
The reinforcement stated is fixed on the upper plane of base, and the left end of the baseplane of described base is provided with slush pump, and described takes out mud
The bottom of pump is provided with extraction mud pipe, and the left and right sides of slush pump is respectively mounted dredging tube, described dredging tube respectively not with left and right two
The feeding chamber of side is connected.The bottom of described base is provided with water storage box, and the end of described drainpipe is passed through in water storage box,
The bottom of described teeter chamber is provided with the first dehvery pump, and the first dehvery pump discharge end is connected with conveying pipeline, described conveying pipeline
End be connected with exhausting centrifuge, the bottom of exhausting centrifuge is provided with Metal uptake device, and exhausting centrifuge bottom leads to
Cross conduit and be connected with storage mud box, described storage mud box is arranged on the baseplane of base, and the top of described exhausting centrifuge is pacified
Equipped with the second dehvery pump, the discharging opening of the second described dehvery pump is connected with storage fertilizer box by conduit.
It is used as further scheme of the invention：Described exhausting centrifugation shaft power demand is 1.39KW.
It is used as further scheme of the invention：Described interior mixing blade is provided with rhombus sword.
It is used as further scheme of the invention：Described interior mixing blade is at least three pairs.
It is used as further scheme of the invention：If the top of the teeter chamber is provided with arterial highway passage.
It is used as further scheme of the invention：If being provided with arterial highway gel adsorption post in described Metal uptake device.
It is used as further scheme of the invention：Described auxiliary material case is used as auxiliary material built with composite flocculant.
Compared with prior art, the beneficial effects of the invention are as follows：Using gravity dehydration, extrusion dehydration and air-dry dehydration this three
The mode of kind, adds compound coagulation agent and carries out flocculation reaction, sufficiently improve dewatering efficiency, save the time, with reference to stirring operation,
Accelerate steam discharge, improve dehydration quality, while the nutriment in mud and debris are separated, and remove therein heavy
Metal, is used as farmland fertilizer by the mud of being rich in nutrition material, and the common mud isolated can be used for firing wall brick etc. after collecting.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the front section view schematic diagram of agitator tank and conveying tower in the present invention.
Fig. 3 is the top view of puddle support in the present invention.
In figure：1- teeter chambers, 2- feeding chambers, 3- exhausting centrifuge, 4- bases, 5- conveyings motor, 6- bottoms fixed mount, 7-
Spiral feeding shaft, 8- pan feedings chamber, 9- slush pumps, 10- dredging tubes, 11- extraction mud pipes, 12- drainpipes, 13- stirring motors, 14- tops
Fixed mount, 15- stirring shafts, 16- stirrings axle bearing, 17- passages, 18- air-heaters, 19- Hot-air fans, 20- puddle supports, 21-
Mixing blade in outer puddler, 22-, 23- auxiliary materials case, 24- liquid-feeding tubes, the dehvery pumps of 25- first, 26- support bases, 27- water storage boxes,
28- conveying pipelines, 29- Metal uptakes device, 30- beams, 31- storages mud box, the dehvery pumps of 32- second, 33- store fertilizer box, 34- and strengthened
Muscle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1~3, the embodiment of the present invention, a kind of riverway sludge is dehydrated retracting device, including teeter chamber 1, conveying
Chamber 2, exhausting centrifuge 3 and base 4, described feeding chamber 2 are located at the lower section of teeter chamber 1, the left and right of the described lower end of teeter chamber 1
Both sides are equipped with feeding chamber 2, and the bottom of described feeding chamber 2 is mounted on bottom fixed mount 6, the bottom of described bottom fixed mount 6
It is mounted on conveying motor 5, the top of described conveying motor 5 is mounted on spiral feeding shaft 7, the top of described feeding chamber 2
End is equipped with pan feeding chamber 8, and described spiral feeding shaft 7 runs through whole feeding chamber 2 and end is located in pan feeding chamber 8, described
The bottom of feeding chamber 2 is equipped with drainpipe 12, described teeter chamber 1 be located at the upper end and the bottom of teeter chamber 1 of feeding chamber 2 with
Pan feeding chamber 8 is connected, and the bottom of described teeter chamber 1 is provided with top fixed mount 14, and the upper end of top fixed mount 14 is provided with stirring
Motor 13, the bottom of described stirring motor 13 is provided with stirring shaft 15, the centre position of the upper plate of described teeter chamber 1
Stirring axle bearing 16 is installed, described stirring shaft 15 is spacing in stirring axle bearing 16, the bottom of described stirring shaft 15
End is provided with puddle support 20, and 20 points described of puddle support is outer puddler 21 and interior mixing blade 22, described interior mixing blade
22 set by rhombus sword, and the left and right sides on the top of teeter chamber 1 is mounted on air-heater 18, and the bottom of described air-heater 18 is pacified
Equipped with Hot-air fan 19, described Hot-air fan 19 is respectively positioned in teeter chamber 1, and the left and right sides of described teeter chamber 1 is mounted on auxiliary
Hopper 23, the bottom of auxiliary material 23 is provided with liquid-feeding tube 24, and the end of described liquid-feeding tube 24 is stretched into teeter chamber 1, and described stirs
The front and rear sides for mixing the bottom of room 1 are mounted on support base 26, and the bottom of support base 26 is arranged on base 4, described stirring
Room 1 is fixed on base 4 by support base, and reinforcement 34 is provided between the feeding chamber 2 of the left and right sides, and described reinforcement 34 is consolidated
It is scheduled on the upper plane of base 4, the left end of the baseplane of described base 4 is provided with slush pump 9, the bottom of described slush pump 9
Extraction mud pipe 11 is installed, the left and right sides of slush pump 9 is respectively mounted dredging tube 10, described dredging tube 10 is respectively not and the left and right sides
Feeding chamber 2 be connected, the bottom of described base 4 is provided with water storage box 27, and the end of described drainpipe 12 is passed through retaining
In case 27, the bottom of described teeter chamber 1 is provided with the first dehvery pump 25, and the discharge end of the first dehvery pump 25 is connected with conveying pipeline
28, the end of described conveying pipeline 28 is connected with exhausting centrifuge 3, and the bottom of exhausting centrifuge 3 is provided with Metal uptake
Device 29, the bottom of exhausting centrifuge 3 is connected with storage mud box 31 by conduit, and described storage mud box 31 is arranged on the baseplane of base 4
On, the top of described exhausting centrifuge 3 is provided with the second dehvery pump 32, and the discharging opening of described the second dehvery pump 32 is by leading
Pipe is connected with storage fertilizer box 33.
The present invention operation principle be：The bottom of slush pump 9 is connected with extraction mud pipe 11, and extraction mud pipe 11 is by sludge out of pond
Extract out, sludge is inputted in the feeding chamber 2 of the left and right sides respectively by dredging tube 10, conveying motor 5 drives spiral feeding shaft 7 will
Sludge phase upper end is conveyed, and the water quality in one side sludge, which is affected by gravity, trickles downwards, and another aspect sludge is in moving process
In by spiral feeding shaft 7 and the outer wall of feeding chamber 2 squeezing action, moisture is extruded, so as to reach dehydrating effect, current are from row
The discharge of water pipe 12 is collected into water storage box 27, is discharged again after subsequently processed；The sludge of preliminary hydro-extraction is stirred from the push-in of pan feeding chamber 8
Mix in case 3, stirring motor 13 drives stirring shaft 15 to rotate, 20 points of puddle support is outer puddler 21 and interior mixing blade 22, interior
Mixing blade 22 sets the interior synchronous rotary of mixing blade 22 cutting simultaneously in rhombus sword, the outer stirring of puddler 21 sludge；Top is set
There is air-heater 18 further to air-dry sludge, make further dewater treatment, air-dried steam is discharged out of top passage 17,
The left and right sides of teeter chamber 1 is mounted on auxiliary material case 23, and auxiliary material case 23 is built with composite flocculant as auxiliary material, and dosage is
The 0.3~1% of sludge shale amount, the sludge through dewater treatment is passed through by the mud of slush pump 9 after dredging tube 10 is transported again
Exhausting centrifuge 3, exhausting centrifuge 3 separates the nutriment and common impurities of mud while further air-drying mud
Come, the mud rich in nutriment, which enters, to be stored in fertilizer box 33, after, as agricultural fertilizer, the mud of common impurities is through overweight after subsequent treatment
Construction material can be subsequently used as by entering storage mud box 31 by conduit after the processing of metallic absorber 29.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of riverway sludge is dehydrated retracting device, including teeter chamber (1), feeding chamber (2), exhausting centrifuge (3) and base
(4), it is characterised in that described feeding chamber (2) is located at the lower section of teeter chamber (1), the left and right two of described teeter chamber (1) lower end
Side is equipped with feeding chamber (2), and the bottom of described feeding chamber (2) is mounted on bottom fixed mount (6), described bottom fixed mount (6)
Bottom be mounted on conveying motor (5), the top of described conveying motor (5) is mounted on spiral feeding shaft (7), described
The top of feeding chamber (2) is equipped with pan feeding chamber (8), and described spiral feeding shaft (7) is through whole feeding chamber (2) and end position
In pan feeding chamber (8), the bottom of described feeding chamber (2) is equipped with drainpipe (12), and described teeter chamber (1) is located at feeding chamber
(2) upper end and the bottom of teeter chamber (1) is connected with pan feeding chamber (8), and the bottom of described teeter chamber (1) is provided with top admittedly
Determine frame (14), the upper end of top fixed mount (14) is provided with stirring motor (13), and the bottom of described stirring motor (13) is provided with
Stirring shaft (15), the centre position of the upper plate of described teeter chamber (1) is provided with stirring axle bearing (16), described stirring
Rotating shaft (15) is spacing in stirring axle bearing (16), and the bottom of described stirring shaft (15) is provided with puddle support (20), described
Puddle support (20) be divided into outer puddler (21) and interior mixing blade (22), the left and right sides on the top of teeter chamber (1) is respectively mounted
There is air-heater (18), the bottom of described air-heater (18) is mounted on Hot-air fan (19), and described Hot-air fan (19) is respectively positioned on
In teeter chamber (1), the left and right sides of described teeter chamber (1) is mounted on auxiliary material case (23), and the bottom of auxiliary material (23), which is provided with, to be added
Liquid pipe (24), the end of described liquid-feeding tube (24) is stretched into teeter chamber (1), the bottom of described teeter chamber (1) it is front and rear
Both sides are mounted on support base (26), and the bottom of support base (26) is arranged on base (4), and described teeter chamber (1) passes through branch
Support seat is fixed on base (4), and reinforcement (34) is provided between the feeding chamber (2) of the left and right sides, and described reinforcement (34) is solid
It is scheduled on the upper plane of base (4), the left end of the baseplane of described base (4) is provided with slush pump (9), described slush pump
(9) bottom is provided with extraction mud pipe (11), and the left and right sides of slush pump (9) is respectively mounted dredging tube (10), described dredging tube
(10) it is not connected respectively with the feeding chamber (2) of the left and right sides, the bottom of described base is provided with water storage box (27), described
The end of drainpipe (12) is passed through in water storage box (27), and the bottom of described teeter chamber (1) is provided with the first dehvery pump (25), the
One dehvery pump (25) discharge end is connected with conveying pipeline (28), and the end of described conveying pipeline (28) is connected with exhausting centrifuge (3)
Connect, the bottom of exhausting centrifuge (3) is provided with Metal uptake device (29), and exhausting centrifuge (3) bottom is connected with by conduit
Mud box (31) is stored up, described storage mud box (31) is arranged on the baseplane of base (4), the top of described exhausting centrifuge (3)
Second dehvery pump (32) is installed, the discharging opening of described the second dehvery pump (32) is connected with storage fertilizer box (33) by conduit.
2. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that described exhausting centrifuge (3)
Shaft power demand is 1.39KW.
3. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that described interior mixing blade (22)
Provided with rhombus sword.
4. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that described interior mixing blade (22)
At least three pairs.
5. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that the top of the teeter chamber (1)
If provided with arterial highway passage (17).
6. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that described Metal uptake device
(29) if interior be provided with arterial highway gel adsorption post.
7. riverway sludge according to claim 1 is dehydrated retracting device, it is characterised in that described auxiliary material case (23) is built-in
There is composite flocculant as auxiliary material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498900.7A CN107117791A (en) | 2017-06-27 | 2017-06-27 | A kind of riverway sludge is dehydrated retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498900.7A CN107117791A (en) | 2017-06-27 | 2017-06-27 | A kind of riverway sludge is dehydrated retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107117791A true CN107117791A (en) | 2017-09-01 |
Family
ID=59719566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498900.7A Withdrawn CN107117791A (en) | 2017-06-27 | 2017-06-27 | A kind of riverway sludge is dehydrated retracting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107117791A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425394A (en) * | 2018-04-13 | 2018-08-21 | 姜宝辉 | Riverway sludge collection device |
| CN113999060A (en) * | 2019-05-16 | 2022-02-01 | 蒋兰琴 | Fertile apparatus for producing of fermentation |
-
2017
- 2017-06-27 CN CN201710498900.7A patent/CN107117791A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425394A (en) * | 2018-04-13 | 2018-08-21 | 姜宝辉 | Riverway sludge collection device |
| CN113999060A (en) * | 2019-05-16 | 2022-02-01 | 蒋兰琴 | Fertile apparatus for producing of fermentation |
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Application publication date: 20170901 |