CN109173365A - A kind of packaged type sewage sludge biomass dehydrator - Google Patents
A kind of packaged type sewage sludge biomass dehydrator Download PDFInfo
- Publication number
- CN109173365A CN109173365A CN201811277114.5A CN201811277114A CN109173365A CN 109173365 A CN109173365 A CN 109173365A CN 201811277114 A CN201811277114 A CN 201811277114A CN 109173365 A CN109173365 A CN 109173365A
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- CN
- China
- Prior art keywords
- filters pressing
- filter press
- press plate
- sewage sludge
- sludge biomass
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of packaged type sewage sludge biomass dehydrators, including pedestal, the support rod being fixed on the base, the filters pressing fixing piece being fixed on support rod, filter press plate and filter press plate driving mechanism between pedestal and filters pressing fixing piece, on filters pressing fixing piece towards the one side of filter press plate be filters pressing face, filter press plate driving mechanism includes the hydraulic cylinder being fixed on the base, there is the piston rod being arranged towards filters pressing fixing piece on hydraulic cylinder, filter press plate is located at the end of piston rod and moves back and forth under the drive of piston rod, hydraulic pump is connected with by hydraulic oil pipe on hydraulic cylinder, hydraulic pump is equipped with booster rod and lock valve, hydraulic oil pipe is equipped with hydraulic measurement table.The present invention is fixed filters pressing fixing piece by support rod, and water-containing sludge biomass is placed between filter press plate and the filters pressing face of filters pressing fixing piece, is moved up and down using driving mechanism driving filter press plate, moisture in water-containing sludge biomass is squeezed out.The present invention is at low cost, stable operation and can measure pressure.
Description
Technical field
The present invention relates to a kind of packaged type sewage sludge biomass dehydrators, more particularly to a kind of small-sized sewage sludge biomass machine
Tool filters pressing drying equipment is especially suitable for mobile test and uses, belongs to sludge organism quality of biomass dehydration equipment field technology neck
Domain.
Background technique
Increasingly developed with China's economic life, also day is cumulative for the sewage sludge biomass generated in life and industrial production
More, more and more sewage sludge biomass are admitted to each size steam power plant in recent years, after dehydration and drying, to mix the side of burning
Formula carries out secondary use.And a kind of dehydration equipment of the filter press as maturation, it is now widely used for environmental protection, chemical industry, medicine, smelting
Multiple industries such as gold.Traditional filter press includes belt filter press, plate and frame filter press, sleeping spiral shell sedimentation filter press.
Mechanical structure used in traditional filter press is larger, takes up a large area, and equipment is heavy, required filters pressing sewage sludge biomass
Amount is also larger, is unsuitable for the occasion that mobile processing is scattered, amount is small.Traditional industry makes service pressure be difficult to accurately estimate with filtering equipment
It calculates, cannot effectively understand pressure when each filters pressing, therefore control variable when for work is very inconvenient.
Existing sewage sludge biomass filter-pressing dehydration equipment mostly uses air pressure to press greatly, and there are some problems, first is that air pressure pair
It is higher in seal request, add somewhat to the cost of equipment；Second is that under equal volume, operating pressure compared to it is hydraulic more
It is low；Third is that air pressure speed stability is relatively poor, when pressurization, is not easy to control, and in contrast hydraulic control precision is higher.
When due to sewage sludge biomass filter-press dehydration, sewage sludge biomass itself contains and is added the various nuisances in medicament
Matter can cause certain damage to equipment, influence the long-time service of equipment, also can cause environmental pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of water-containing sludge scattered suitable for mobile processing, the small requirement of amount, Neng Gouwen
Determine and measure pressure, efficient packaged type sewage sludge biomass dehydrator.
The present invention adopts the following technical scheme: a kind of packaged type sewage sludge biomass dehydrator, including pedestal, it is fixed on bottom
Support rod on seat, the filters pressing fixing piece being fixed on support rod, the filter press plate between pedestal and filters pressing fixing piece and
Filter press plate driving mechanism towards the one side of filter press plate is filters pressing face on filters pressing fixing piece, and the filter press plate driving mechanism includes solid
The hydraulic cylinder being scheduled on pedestal, has the piston rod being arranged towards filters pressing fixing piece on hydraulic cylinder, and the filter press plate is located at piston
The end of bar simultaneously moves back and forth under the drive of piston rod, is connected with hydraulic pump by hydraulic oil pipe on the hydraulic cylinder, hydraulic
Pump is equipped with booster rod and lock valve, and hydraulic oil pipe is equipped with hydraulic measurement table.
The filters pressing fixing piece is the filters pressing cylinder of tube structure with the end, and the two sides of filters pressing cylinder, which have, to be fixed on support rod
Engaging lug.
The upper end of the support rod has screw thread, and the engaging lug is perforated equipped with support rod, and connection is located on support rod
Two sides of ear all have adjusting nut.
The sewage sludge biomass dehydrator is vertical structure, and the support rod is vertically arranged on pedestal, the hydraulic cylinder
Piston rod be vertically arranged, the inside of filters pressing cylinder bottom surface is down-set, and the medial surface of filters pressing cylinder bottom surface constitutes the filters pressing
Face, the size of the filter press plate are less than the internal diameter of filters pressing cylinder.
The filter press plate is equipped with filtrate hole.
The piston rod top end of the hydraulic cylinder is additionally provided with filtrate collecting vessel, and the upper of filtrate collecting vessel is arranged in the filter press plate
Portion, the outside wall surface of filtrate collecting vessel and the inner wall of the filters pressing cylinder are slidably matched.
The end face on filtrate collecting vessel top is equipped with annular step surface, and the filter press plate is placed in annular step surface
And cooperate with annular step surface block.
The position that the bottom of the filtrate collecting vessel is located at piston rod two sides is equipped with auxiliary handle.
The sewage sludge biomass dehydrator is horizontal type structure, and the support rod is horizontally set on the side of pedestal, described
The piston rod of hydraulic cylinder is horizontally disposed, and towards filter press plate, the lateral surface of filters pressing cylinder bottom surface is constituted in the outside of filters pressing cylinder bottom surface
The filters pressing face.
The filter press plate is solid slab.
The beneficial effects of the present invention are: the present invention is fixed filters pressing fixing piece by support rod, by water-containing sludge biomass
It is placed between filter press plate and the filters pressing face of filters pressing fixing piece, is moved up and down using driving mechanism driving filter press plate, by aqueous dirt
Moisture in mud biomass squeezes out.Filter press plate driving mechanism, which uses, uses split type structure, is divided into the hydraulic cylinder with piston
With two parts of hydraulic pump, on the one hand direction when adjustable filters pressing, on the other hand can also guarantee the safety of operation.Increase
Compression bar and lock valve are located on hydraulic pump, can guarantee convenient for users to realizing hydraulic locking and unlocking while operation.It surveys
Hydraulic pressure gauge is measured to be mounted on hydraulic oil pipe, it is ensured that pressure stably measured, according to the reading of the pressure gauge on hydraulic pump
Book, pressure when converting to obtain work by area on filters pressing face.The present invention is simple, and compact volume and convenience, rigidity is big, and cost is relatively low,
Stable operation and pressure can be measured.
Preferably, filters pressing fixing piece is the filters pressing cylinder of tube structure, and filters pressing cylinder is fixed on support rod by engaging lug, can
Height and position of the filters pressing cylinder on support rod is adjusted by adjusting nut, to guarantee the stroke of the piston rod under the conditions of different operating
In ideal range, while it can also guarantee stability of the device when bearing maximum pressure by double nut mode.
Preferably, using the dehydrator of vertical structure, filters pressing cylinder inside bottom surface is down-set, and piston rod moves up, pressure
Filter plate and the medial surface of filters pressing cylinder bottom surface together squeeze out the moisture in water-containing sludge biomass.
Preferably, filter press plate is equipped with filtrate hole, can make filtrate that can flow out from filtrate hole, convenient for accelerating speed of filter pressing,
It also helps and collects filtrate.
Preferably, filtrate collecting vessel can be used for collecting filtrate, be slidably matched between filtrate collecting vessel and filters pressing cylinder, on the one hand
It can guarantee the smooth movement of component in pressure-filtering process, simultaneously because gap is small between filtrate collecting vessel and filters pressing cylinder and filtrate surface
The presence of tension reduces the leakage of filtrate, to guarantee that filtrate can effectively be recycled, reduces the destruction to surrounding enviroment.
Preferably, it is cooperatively connected between the filter press plate and filtrate collecting vessel by step surface, to guarantee filters pressing
Filter press plate, which is in, in journey stablizes, and filter press plate, which is not fallen off, to be avoided causing personal injury to operator.
Preferably, filtrate collecting vessel bottom is connected through a screw thread two auxiliary handles, can be convenient and manually adjusts filtrate receipts
Collect the position of bucket, and installed and uninstalled convenient for filtrate collecting vessel, it helps is repeatedly loaded in work and taking-up is put into device
Water-containing sludge biology quality of biomass.
Preferably, due to since filter press plate is horizontal positioned, and filtering out the viscous effect of liquid itself in vertical structure,
It stands and is taken a long time needed for waiting filtrate outflow, to accelerate process, can be adopted in the case where not needing to collect recycling filtrate
Be horizontally disposed with horizontal type structure, that is, by piston rod and support rod, by replacing the direction of filters pressing cylinder, make sewage sludge biomass with
The outside face contact of filters pressing cylinder bottom surface, liquid directly extrude, the process filtered out with this accelerating liquid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the top view of filters pressing cylinder；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2.
In figure, 1- filters pressing cylinder, 2- water-containing sludge biomass, 3- filter press plate, 4- filtrate collecting vessel, 5- adjusting nut, 6- is auxiliary
Help handle, 7- support rod, 8- piston cylinder, 9- hydraulic cylinder, 10- hydraulic oil pipe, 11- hydraulic measurement table, 12- booster rod, 13- locking
Valve, 14- hydraulic pump, 15- pedestal.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
The structure of the embodiment of the present invention 1 is as shown in Figure 1 to Figure 2, the packaged type sewage sludge biomass dehydrator of the present embodiment, including
Pedestal 15, the filters pressing fixing piece being fixed on support rod 7, is fixed positioned at pedestal 15 and filters pressing the support rod 7 being fixed on the base
Filter press plate 3 and filter press plate driving mechanism between part towards the one side of filter press plate 3 are filters pressing face on filters pressing fixing piece, described
Filter press plate driving mechanism includes the hydraulic cylinder 9 being fixed on the base, and has the piston being arranged towards filters pressing fixing piece on hydraulic cylinder 9
Bar 8, the filter press plate 3 are located at the end of piston rod 8 and move back and forth under the drive of piston rod 8, pass through on the hydraulic cylinder 9
Hydraulic oil pipe 10 is connected with hydraulic pump 14, and hydraulic pump 14 is equipped with booster rod 12 and lock valve 13, and hydraulic oil pipe 10 is equipped with liquid
Pressure measurement table 11.
Filters pressing fixing piece in the present embodiment is the filters pressing cylinder 1 of tube structure with the end, and the two sides of filters pressing cylinder 1, which have, to be fixed
Engaging lug on support rod 7.The upper end of the support rod 7 has screw thread, and the engaging lug is perforated equipped with support rod, support
Two sides on bar 7 positioned at engaging lug all have adjusting nut 5.
The sewage sludge biomass dehydrator of the present embodiment is vertical structure, and the support rod 7 is vertically arranged on pedestal 15, institute
The piston rod 8 for stating hydraulic cylinder 9 is vertically arranged, and the inside of 1 bottom surface of filters pressing cylinder is down-set, the medial surface of 1 bottom surface of filters pressing cylinder
The filters pressing face is constituted, the size of the filter press plate 3 is less than the internal diameter of filters pressing cylinder 1.The filter press plate 3 is equipped with filtrate hole.Institute
8 top of piston rod for stating hydraulic cylinder is additionally provided with filtrate collecting vessel 4, and the top of filtrate collecting vessel 4 is arranged in the filter press plate 3, filter
The outside wall surface of liquid collecting vessel 4 and the inner wall of the filters pressing cylinder 1 are slidably matched.It is set on the end face on 4 top of filtrate collecting vessel
There is annular step surface, the filter press plate 3 is placed in annular step surface and cooperates with annular step surface block.The filtrate is collected
The position that the bottom of bucket 4 is located at 8 two sides of piston rod is equipped with auxiliary handle 6.
In the use of the present invention, first according to the treating capacity of required water-containing sludge biomass 2 and the piston rod 8 of design pressure
Height, the position of adjusting nut 5 is adjusted, so that the hydraulic piston throw of lever is within the scope of one is ideal.Assemble filtrate
After collecting vessel 4 and filter press plate 3, after water-containing sludge biomass is wrapped with filter cloth, it is placed on filter press plate 3.It is collected using filtrate
Filtrate collecting vessel and filter press plate are slowly sent into filters pressing cylinder by the handle of bucket bottom, are then locked hydraulic oil, are passed through hydraulic cylinder
Piston rod pushes filtrate collecting vessel and filter press plate mobile, water-containing sludge biomass is compressed between filters pressing cylinder and filter press plate solid
It is fixed, filter chamber is constituted between filters pressing cylinder and filter press plate, is pressurized later by booster rod to hydraulic device, until reaching required pressure.
In pressure-filtering process, the filtrate in water-containing sludge biomass is flowed into filtrate collecting vessel by the filter hole on filter press plate.
In pressure-filtering process, the pressure of oil pressure is observed by pressure gauge, converts to obtain on filters pressing stress surface by area
Actual pressure.After reaching designed time of filter pressing, lock valve is unclamped, slow release is assisted by auxiliary handle, by filtrate
Collecting vessel, filter press plate and sewage sludge biomass are slowly withdrawn, and later again handle the filtrate being collected into filtrate surge drum.
Filter press plate driving mechanism, which uses, uses split type structure, is divided into two parts of hydraulic cylinder and hydraulic pump with piston,
Push piston portion by oil pipe on the pressure side connect, reduce and the pollution of device corroded, split type structure one side is adjustable
On the other hand direction when filters pressing can also guarantee the safety of operation.Booster rod and lock valve are located on hydraulic pump, Neng Goubao
It demonstrate,proves convenient for users to realizing hydraulic locking and unlocking while operation.Hydraulic pressure gauge is measured to be mounted on hydraulic oil pipe,
It can guarantee pressure stably measured, according to the reading of the pressure gauge on hydraulic pump, filters pressing face when converting to obtain work by area
On pressure.The present invention is simple, and compact volume and convenience, rigidity is big, and cost is relatively low, stable operation and can measure pressure.
Embodiment 2:
Unlike the embodiment of the present invention 1, the packaged type sewage sludge biomass dehydrator of the present embodiment is horizontal type structure, described
Support rod 7 is horizontally set on the side of pedestal, and the piston rod 8 of the hydraulic cylinder is horizontally disposed, outside 1 bottom surface of filters pressing cylinder
Towards filter press plate 3, the lateral surface of 1 bottom surface of filters pressing cylinder constitutes the filters pressing face for side, and filter press plate 3 is solid slab.In addition, the present embodiment
Sewage sludge biomass dehydrator do not consider the collection of filtrate, therefore be not provided with filtrate and collect logical, the other structures of the present embodiment are equal
Same as Example 1, details are not described herein again.
Since in vertical structure, filter press plate is horizontal positioned, and filters out the viscous effect of liquid itself, standing etc. is to be filtered
Liquid stream takes a long time needed for going out, can be sleeping using the present embodiment to accelerate process in the case where not needing to collect recycling filtrate
The dehydrator of formula structure, that is, the dehydrator of embodiment 1 is horizontally arranged, keep piston rod and support rod horizontally disposed, removal
After nut, filters pressing cylinder is turned into direction, using the lateral surface of filters pressing cylinder bottom surface as filters pressing face, replaces a solid filter press plate.
Sludge is fixed between filters pressing cylinder and filter press plate again, gradually pressurize again later and completes remaining work, liquid in sewage sludge biomass
Body is directly extruded, the process filtered out with this accelerating liquid.
Above-described embodiment is the preferred embodiment of the invention, in other embodiments of the invention, is filtered when not needing to collect
Liquid makes, and filters pressing fixing piece can also use plank frame, as long as can be by the extrusion of sewage sludge biomass moisture with filter press plate cooperation
It can.
In conclusion the present invention is made actual sample and test is used for multiple times in process such as specification and diagramatic content,
Judging from the effect of using the test, the provable present invention can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used to conveniently illustrate the present invention, and not does limit in any form to the present invention
System, any technical field have usually intellectual, if without departing from the scope of the technical features of the present invention, utilizing this
Invention statement technology contents make the equivalent embodiment that part is changed or modified, and without departing from technical characteristic of the invention
Hold, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of packaged type sewage sludge biomass dehydrator, it is characterised in that: its branch for including pedestal (15), being fixed on the base
Strut (7), the filters pressing fixing piece being fixed on support rod (7), the filter press plate (3) between pedestal (15) and filters pressing fixing piece
And filter press plate driving mechanism, it towards the one side of filter press plate (3) is filters pressing face, the filter press plate driving mechanism on filters pressing fixing piece
Including the hydraulic cylinder (9) being fixed on the base, there is the piston rod (8) being arranged towards filters pressing fixing piece on hydraulic cylinder (9), it is described
Filter press plate (3) is located at the end of piston rod (8) and moves back and forth under the drive of piston rod (8), passes through on the hydraulic cylinder (9)
Hydraulic oil pipe (10) is connected with hydraulic pump (14), and hydraulic pump (14) is equipped with booster rod (12) and lock valve (13), hydraulic oil pipe
(10) hydraulic measurement table (11) are equipped with.
2. packaged type sewage sludge biomass dehydrator according to claim 1, it is characterised in that: the filters pressing fixing piece is
The filters pressing cylinder (1) of tube structure with the end, the two sides of filters pressing cylinder (1) have the engaging lug being fixed on support rod (7).
3. packaged type sewage sludge biomass dehydrator according to claim 2, it is characterised in that: the support rod (7)
Upper end has screw thread, and the engaging lug is perforated equipped with support rod, and two sides that engaging lug is located on support rod (7) all have
Adjusting nut (5).
4. packaged type sewage sludge biomass dehydrator according to claim 1 or 2 or 3, it is characterised in that: the sludge is raw
Substance dehydrates device is vertical structure, and the support rod (7) is vertically arranged on pedestal (15), the piston rod of the hydraulic cylinder (9)
(8) it is vertically arranged, the inside of filters pressing cylinder (1) bottom surface is down-set, and the medial surface of filters pressing cylinder (1) bottom surface constitutes the filters pressing
Face, the size of the filter press plate (3) are less than the internal diameter of filters pressing cylinder (1).
5. packaged type sewage sludge biomass dehydrator according to claim 4, it is characterised in that: on the filter press plate (3)
Equipped with filtrate hole.
6. packaged type sewage sludge biomass dehydrator according to claim 5, it is characterised in that: the piston of the hydraulic cylinder
Bar (8) top is additionally provided with filtrate collecting vessel (4), and on the top of filtrate collecting vessel (4), filtrate is collected for filter press plate (3) setting
The outside wall surface of bucket (4) and the inner wall of the filters pressing cylinder (1) are slidably matched.
7. packaged type sewage sludge biomass dehydrator according to claim 6, it is characterised in that: the filtrate collecting vessel
(4) end face on top is equipped with annular step surface, and the filter press plate (3) is placed in annular step surface and keeps off with annular step surface
Only cooperate.
8. packaged type sewage sludge biomass dehydrator according to claim 6, it is characterised in that: the filtrate collecting vessel
(4) position that bottom is located at piston rod (8) two sides is equipped with auxiliary handle (6).
9. packaged type sewage sludge biomass dehydrator according to claim 1 or 2 or 3, it is characterised in that: the sludge is raw
Substance dehydrates device is horizontal type structure, and the support rod (7) is horizontally set on the side of pedestal, the piston rod of the hydraulic cylinder
(8) it is horizontally disposed with, towards filter press plate (3), the lateral surface of filters pressing cylinder (1) bottom surface constitutes institute in the outside of filters pressing cylinder (1) bottom surface
The filters pressing face of stating.
10. packaged type sewage sludge biomass dehydrator according to claim 6, it is characterised in that: the filter press plate (3) is
Solid slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277114.5A CN109173365A (en) | 2018-10-30 | 2018-10-30 | A kind of packaged type sewage sludge biomass dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277114.5A CN109173365A (en) | 2018-10-30 | 2018-10-30 | A kind of packaged type sewage sludge biomass dehydrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109173365A true CN109173365A (en) | 2019-01-11 |
Family
ID=64940633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277114.5A Pending CN109173365A (en) | 2018-10-30 | 2018-10-30 | A kind of packaged type sewage sludge biomass dehydrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109173365A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423089A (en) * | 2019-01-09 | 2020-07-17 | 中国石油天然气集团有限公司 | Sludge dewatering filter pressing device for experiments |
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| JP2001062209A (en) * | 1999-08-30 | 2001-03-13 | Masayoshi Udagawa | Forcing-pump for filter press dehydrator |
| CN102225259A (en) * | 2011-04-29 | 2011-10-26 | 山东省科学院新材料研究所 | Horizontal automatic pressure filtration and dehydration equipment, and working method thereof |
| CN104722107A (en) * | 2015-03-23 | 2015-06-24 | 宜兴广大污泥处置利用技术有限公司 | Upright sheet frame sludge dewatering facility |
| CN105776805A (en) * | 2016-04-21 | 2016-07-20 | 上海大学 | Small-scale test device for pressure filtration and dehydration of sludge |
| CN108310822A (en) * | 2018-04-20 | 2018-07-24 | 温州大学激光与光电智能制造研究院 | Horizontal pressure filter |
| CN108479142A (en) * | 2018-06-21 | 2018-09-04 | 河南林泉环保科技有限公司 | A kind of sludge dehydration device |
| CN209302260U (en) * | 2018-10-30 | 2019-08-27 | 江苏中圣压力容器装备制造有限公司 | Novel sewage sludge biomass dehydrator |
-
2018
- 2018-10-30 CN CN201811277114.5A patent/CN109173365A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062209A (en) * | 1999-08-30 | 2001-03-13 | Masayoshi Udagawa | Forcing-pump for filter press dehydrator |
| CN102225259A (en) * | 2011-04-29 | 2011-10-26 | 山东省科学院新材料研究所 | Horizontal automatic pressure filtration and dehydration equipment, and working method thereof |
| CN104722107A (en) * | 2015-03-23 | 2015-06-24 | 宜兴广大污泥处置利用技术有限公司 | Upright sheet frame sludge dewatering facility |
| CN105776805A (en) * | 2016-04-21 | 2016-07-20 | 上海大学 | Small-scale test device for pressure filtration and dehydration of sludge |
| CN108310822A (en) * | 2018-04-20 | 2018-07-24 | 温州大学激光与光电智能制造研究院 | Horizontal pressure filter |
| CN108479142A (en) * | 2018-06-21 | 2018-09-04 | 河南林泉环保科技有限公司 | A kind of sludge dehydration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423089A (en) * | 2019-01-09 | 2020-07-17 | 中国石油天然气集团有限公司 | Sludge dewatering filter pressing device for experiments |
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