CN104474763B - A kind of thickness paste squeezing dehydration device - Google Patents
A kind of thickness paste squeezing dehydration device Download PDFInfo
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- CN104474763B CN104474763B CN201410785290.5A CN201410785290A CN104474763B CN 104474763 B CN104474763 B CN 104474763B CN 201410785290 A CN201410785290 A CN 201410785290A CN 104474763 B CN104474763 B CN 104474763B
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Abstract
The present invention relates to a kind of thickness paste squeezing dehydration device, range of application includes but not limited to dehydrating municipal sludge, Sludge in Oilfields solid-liquid separation and mummification, and equipment body mainly includes being dehydrated piston, filter element doctor blade device, end face seal, dewatering container and hydraulic system.Wherein said dehydration piston does linear reciprocating motion at dewatering container intracavity, it is achieved extrudes and shirks material action；Described filter element doctor blade device does circumgyration campaign at dewatering container intracavity, it is achieved cleaning and the auxiliary dehydration to filter screen；Described end face seal does linear reciprocating motion at dewatering container intracavity, it is achieved seal and discharge action；Described dewatering container realizes mud-water separation by built-in filter screen；Described hydraulic system provides required drive and action control for whole thickness paste squeezing dehydration device.The thickness paste squeezing dehydration device of the present invention has that thermal energy consumption is few, dehydrating effect is high, material strong adaptability, automatic controlling level high.
Description
Art
The present invention relates to a kind of squeezing dehydration device, for the thickness paste after modifier treatment (is included but not limited to
Municipal sludge, Sludge in Oilfields oil etc.) carry out processed, mud belongs to chemical industry, technical field of environment protection equipment.
Background technology
Thickness paste moisture content high (reaching as high as more than 90%), viscosity are big, and content of organics is high, and easily corruption is smelly,
And granule is relatively thin, and proportion is less, jelly liquid, dehydration difficulty.Thickness paste drying and other treatment is according to dewatering Principle not
With being divided into mechanical dehydration and the big class of heated drying two.Main flow uses heated drying technology at present, including convection current (convection drying), passes
Lead (contact drying) and radiation (infrared drying) or the integration of these technology, generally use mechanical dehydration to make before heated drying processes
For preprocessing process, minimizing dry run must go to the content of the water removed.It is high yet with cities and towns thickness paste moisture content,
Moisture content can only be reduced to about 65% by common mechanical dehydration, and residual moisture must be removed by heat exchange, in high-volume
The energy consumption needed during process is high, the serious development and application restricting thickness paste drying and other treatment.
Summary of the invention
In order to solve thickness paste dehydration problem, the invention provides a kind of thickness paste squeezing dehydration device, logical
Crossing mechanical presses effect and realize quenched rear thickness paste processed, thermal convection current is as pretreatment, and mechanical dehydration is as mainly
Mummification means.
For achieving the above object, the technical solution adopted in the present invention is: a kind of thickness paste squeezing dehydration device, its
Feature is: include dewatering container and hydraulic system, is sequentially installed with de-from being fed to discharge end in wherein said dewatering container
Hydrodynamic apparatus, filter element scraper and end face seal, dehydration piston is driven by hydraulic system, does reciprocating linear at dewatering container intracavity
Motion, it is achieved extrude and shirk material action；Described filter element scraper is driven by hydraulic system, does circumgyration at dewatering container intracavity
Motion, it is achieved cleaning and the auxiliary dehydration to filter screen；Described end face seal is driven by hydraulic system, does past at dewatering container intracavity
Linear motion, it is achieved seal and discharge action；Described dewatering container realizes mud-water separation by built-in filter screen；Described hydraulic pressure system
Uniting and provide required drive and action control for whole thickness paste squeezing dehydration device, described dehydration power set include dehydration
Oil cylinder, connection frame, dehydration piston, pusher oil cylinder and scraping wings；Wherein said dehydration oil cylinder is base type oil cylinder, is dehydrated oil cylinder
Linear reciprocation action drives dehydration piston；Wherein said connection frame is welding structural element, and connection frame is installed fixing pusher
Oil cylinder and dehydration piston；Wherein said dehydration piston is welding structural element, directly contacts with thickness paste, and circumferencial direction is installed
There is reciprocating dynamic seal part；Wherein said pusher oil cylinder is hold-carrying flange-type oil cylinder, is mounted in connection frame, pusher oil cylinder direct
Line reciprocating action drives scraping wings；Wherein said scraping wings is welding structural element, does linear reciprocation fortune under pusher hydraulic oil cylinder driving
Dynamic, thickness paste after dehydration is pushed to discharge station.
The filter element doctor blade device of the present invention is further arranged to: described filter element scraper includes scraper, filter element and support, wherein
Described scraper includes 2 groups of macromolecular material scrapers and 2 groups of stainless steel metal hairbrush, and circumference uniform distribution is alternately arranged, passes through hydraulic pressure
Motor drives and does circumgyration campaign, cleans filter screen inner surface；Described filter element is welding structural element, and Surface coating is stainless
Steel filter screen, realizes mud-water separation by filter screen, is realized the discharge of moisture by internal diversion passage；Described support is Welding Structure
Part, scraper and filter element are respectively mounted and are fixed thereon, and the support other end is connected with power transmission shaft, transmit driving torque.
The end face seal of the present invention is further arranged to: described end face seal include drive oil cylinder, frame, sealing piston,
Hydraulic motor and power transmission shaft；Wherein said driving oil cylinder is base type oil cylinder, close by oil cylinder straight line reciprocating action Driving plane
Envelope finally realizes crush seal；Described frame is welding structural element, frame is installed fixed hydraulic motor and seals piston；Described
Sealing piston is welding structural element, and cylindrical circumference is provided with reciprocating dynamic seal and guiding, and front end face is provided with sealing ring, seals piston and exists
Drive and do straight reciprocating motion under the driving of oil cylinder, end of travel by oil cylinder exert oneself by piston nose face and dewatering container compression with
Realize sealing；Described hydraulic motor is end flanges form, does circumgyration by fluid motor-driven power transmission shaft, interlock scraper and
Filter element rotates；Described power transmission shaft is wrought metal workpiece, and the driving torque of hydraulic motor is delivered to front end scraper through power transmission shaft
Filter element, power transmission shaft is quill shaft, passage centered by quill shaft.
The dewatering container of the present invention is further arranged to: described dewatering container is that the non-pressure of metal weldedstructure part holds
Device, including extruded segment, dewatering period and blanking section, wherein said extruded segment is cylindrical structure, outside inner surface processing, with dehydration piston
Circle dynamic seal forms reciprocating dynamic seal；Described dewatering period is tube-in-tube structure, and inwall perforate is also lined with stainless steel filtering net, thickness cream
The dehydrated piston press of shape thing, at dewatering period, relies on extruding force and filter screen to realize mud-water separation；Described blanking section is cylindrical structure,
Inner surface is processed, and forms guiding with end face seal piston, seals, and blanking section one end is provided with feed opening with subsequent process equipment even
Connect.
The hydraulic system of the present invention is further arranged to: described hydraulic system includes fuel tank assembly, valve group, pump assembly and instrument
Table；Wherein said fuel tank assembly includes fuel tank, chiller, defecator, and fuel tank is mainly used in storing hydraulic oil, chiller
For controlling hydraulic oil circulating temperature, defecator is used for removing hydraulic pressure well cuts；Wherein said valve group includes reversal valve, pressure
Power valve and flow valve, for switching and the control of each oil circuit action；Wherein said pump assembly includes oil pump, motor；Wherein said
Instrument includes Pressure gauge, pressure switch.
Compared with existing equipment, there is advantages that
1, the thickness paste squeezing dehydration device of the present invention mainly realizes thickness paste by mechanical presses and filtration
Mud-water separation, thermal energy consumption is few, and dewatering efficiency is high.
2, screen surface is cleaned by the thickness paste squeezing dehydration device of the present invention by hydraulic motor, it is ensured that mud
Water separating effect, extends filter screen service life.
3, the thickness paste squeezing dehydration device of the present invention is provided with center core, increases filter area, it is ensured that thickness cream
The mud-water separation effect of shape thing core.
4, the thickness paste squeezing dehydration device of the present invention passes through hydraulic system to extruding force, extrusion speed, dehydration journey
The technological parameters such as degree control respectively, easy to adjust flexibly, the strong adaptability to different water cut thickness paste.
5, the thickness paste squeezing dehydration device of the present invention changes the mode of conventional vertical filter pressing, moisture in paste
Comprehensive migration can be realized.
6, the thickness paste squeezing dehydration device of the present invention is modularized design, is suitable for different size according to treating capacity and takes off
Water device, convenient layout connects.
7, the thickness paste squeezing dehydration device of the present invention uses split-type design, Flange joint, facilitates regular maintenance
Operation and dismounting transport.
8, the thickness paste squeezing dehydration device total enclosing operation of the present invention, is as good as in processing procedure producing, and removing is useless
After water and dehydration, thickness paste focuses on discharge, free from environmental pollution.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is each working state schematic representation of the present invention, state before (a) is extrusion dehydration in figure；B () is in extrusion dehydration
State；C () is extrusion dehydration after/blanking state.
Fig. 3 is the hydraulic schematic of the present invention.
In figure: dehydration piston 1, filter element scraper 2, end face seal 3, dewatering container 4, hydraulic system 5, installed surface 6；
Dehydration oil cylinder 11, connection frame 12, dehydration piston 13, pusher oil cylinder 14, scraping wings 15；Scraper 21, filter element 22,
Frame 23；Drive oil cylinder 31, frame 32, seal piston 33, hydraulic motor 34, power transmission shaft 35；Extruded segment 41, dewatering period 42, blanking
Section 43；Fuel tank assembly 51, valve group 52, pump assembly 53, instrument 54.
Detailed description of the invention
Referring to shown in accompanying drawing 1 to Fig. 3, the present invention is a kind of thickness paste squeezing dehydration device, and it is by being dehydrated piston
1, filter element scraper 2, end face seal 3, dewatering container 4 and hydraulic system 5 form.Installed surface 6 is process Installation face, not included in
In this device.
Wherein, described dehydration piston 1 is arranged in dewatering container 4, along dewatering container axle under the driving of dehydration oil cylinder 11
To doing straight reciprocating motion；Described filter element scraper 2 is installed on power transmission shaft 35 one end, at dewatering container under hydraulic motor 34 drives
Inside do circumgyration campaign；Described end face seal 3 is arranged in dewatering container 4, along dewatering container under the driving driving oil cylinder
Axially do straight reciprocating motion；Described hydraulic system 5 is installed on the installed surface 6 outside thickness paste squeezing dehydration device.
Further, described dehydration piston 1 includes being dehydrated oil cylinder 11, connection frame 12, dehydration piston 13, pusher oil cylinder 14
And scraping wings 15.Wherein said driving oil cylinder 11 is base type oil cylinder, is mounted on installed surface 6, past by oil cylinder straight line
Multiple action drives dehydration piston 1 finally realizes extrusion dehydration action；Described connection frame 12 is welding structural element, one end and dehydration
Oil cylinder 11 is articulated and connected, and one end connects dehydration piston 13, provides installing space for pusher oil cylinder 14 while transmission driving force；
Described dehydration piston 13 is welding structural element, and cylindrical circumference is provided with dynamic seal, directly extruding thickness paste；Described pusher
Oil cylinder 14 is hold-carrying flange-type oil cylinder, is fixedly installed on dehydration piston 13, drives scraping wings 15 by oil cylinder straight line reciprocating action
Finally realize blanking action；Described scraping wings 15 is welding structural element, is fixed on pusher oil cylinder 14, does straight line under driving effect
Move back and forth.
Described filter element scraper 2 includes scraper 21, filter element 22 and support 23.Wherein said scraper 21 is divided into 4 groups, wherein 2 groups
Being stainless steel metal hairbrush for macromolecular material scraper 2 groups, circumference uniform distribution is alternately arranged, is driven by hydraulic motor 34 and does circumference
Gyration, macromolecular material scraper is used for removing the screen surface dry mud layer of bonding, and stainless steel metal hairbrush is used for cleaning filter screen
In mesh, blocking material, cleans filter screen inner surface；Described filter element 22 is welding structural element, and Surface coating rustless steel is filtered
Net, realizes mud-water separation by filter screen, and internal diversion passage realizes the discharge of removing waste water；Described support 23 is Welding Structure
Part, is mainly used in installing fixed doctor 21 and filter element 22, and one end is connected with power transmission shaft 35, transmits driving torque.
Described end face seal 3 includes driving oil cylinder 31, frame 32, sealing piston 33, hydraulic motor 34 and power transmission shaft 35.Its
Described in drive oil cylinder 31 be base type oil cylinder, be mounted on installed surface 6, by oil cylinder straight line reciprocating action Driving plane
Seal 3 and finally realize crush seal；Described frame 31 is welding structural element, is used for installing fixed hydraulic motor and sealing piston,
One end is articulated and connected with driving oil cylinder 31；Described sealing piston 33 is welding structural element, cylindrical circumference be provided with dynamic seal and
Guiding, front end face is provided with sealing ring, does straight reciprocating motion, exert oneself will seal piston by oil cylinder under the driving driving oil cylinder 31
33 end faces and dewatering container 4 compress to realize sealing；Described hydraulic motor 34 is end flanges form, is driven by hydraulic motor 34
Power transmission shaft 35 does circumgyration；Described power transmission shaft 35 is wrought metal workpiece, and the driving torque of hydraulic motor 34 is through power transmission shaft
35 are delivered to front end scraper filter element 2, and power transmission shaft 35 is quill shaft, and central passage is for deriving isolated waste water.
Described dewatering container 4 includes extruded segment 41, dewatering period 42 and blanking section 43.Wherein said extruded segment 41 is tied for cylinder
Structure, inner surface is processed, and forms reciprocating dynamic seal with dehydration piston 13 cylindrical dynamic seal；Described dewatering period 42 is tube-in-tube structure,
Inner surface perforate is also lined with stainless steel filtering net, and the dehydrated piston of thickness paste 13 is squeezed in dewatering period, relies on extruding force to realize
Mud-water separation；Described blanking section 43 is cylindrical structure, and inner surface is processed, and forms guiding with end face seal piston 33, seals, one end
It is provided with feed opening.
Described hydraulic system 5 includes fuel tank assembly 51, valve group 52, pump assembly 53 and instrument 54.Wherein said fuel tank assembly
51 include the auxiliary equipments such as fuel tank, chiller, defecator, and fuel tank is mainly used in storing hydraulic oil, and chiller is used for controlling
Hydraulic oil circulating temperature processed, defecator is used for removing hydraulic pressure well cuts；Wherein said valve group 52 includes reversal valve, pressure valve
And flow valve, for switching and the control of each oil circuit action；Wherein said pump assembly 53 includes oil pump, motor etc., for being
System oil circuit provides pressure；Wherein said instrument 54 includes Pressure gauge, pressure switch etc., is used for measuring system pressure and providing control
Feedback signal processed.Described hydraulic system can realize regulating nearly all technique such as squeeze pressure, extrusion speed by regulation valve group
Parameter, flexible adjustment, automaticity is high.
Work process refers to Fig. 2: being dehydrated piston 1 during pan feeding and retreat to left end, end face seal 3 is positioned at left end impaction state, this
Time material can by feeding mouth enter dewatering container 4 working chamber in；Pan feeding terminates, and feeding mouth is closed, and dehydration piston 1 is at hydraulic pressure system
Moving from left to right under system 5 driving, end face seal 3 remains stationary as under hydraulic system 5 drives, and the working chamber of dewatering container 4 holds
Amassing the compression with dehydration piston 1 and be gradually reduced, in material, excessive moisture is discharged by dewatering period 42 filter screen, and material realizes taking off
Water；After dehydration terminates, end face seal 3 retreats to right-hand member under hydraulic system 5 drives, and pusher oil cylinder 14 is under hydraulic system 5 drives
Stretch out to the right, material is unloaded from right-hand member feed opening；Piston 1 right-to-left under hydraulic system 5 drives it is dehydrated after discharging
Mobile, end face seal 3 right-to-left under hydraulic system 5 drives moves, and pusher oil cylinder 14 moves back under hydraulic system 5 drives to the left
Returning, each retreat to initial position, feeding mouth is opened, and enters subsequent work circulation.
Claims (5)
1. a thickness paste squeezing dehydration device, is characterized in that: include dewatering container and hydraulic system, wherein said de-
Being sequentially installed with dehydration power set, filter element scraper and end face seal from being fed to discharge end in water container, dehydration piston is by liquid
Pressure system drive, does linear reciprocating motion at dewatering container intracavity, it is achieved extrude and shirk material action；Described filter element scraper is by liquid
Pressure system drive, does circumgyration campaign at dewatering container intracavity, it is achieved cleaning and the auxiliary dehydration to filter screen；Described end face is close
Envelope is driven by hydraulic system, does linear reciprocating motion at dewatering container intracavity, it is achieved seal and discharge action；Described dewatering container
Mud-water separation is realized by built-in filter screen；Described hydraulic system provides required drive for whole thickness paste squeezing dehydration device
And action control, described dehydration power set include being dehydrated oil cylinder, connection frame, dehydration piston, pusher oil cylinder and scraping wings；Its
Described in be dehydrated oil cylinder be base type oil cylinder, dehydration oil cylinder linear reciprocation action drives dehydration piston；Wherein said connection frame
For welding structural element, connection frame is installed fixing pusher oil cylinder and dehydration piston；Wherein said dehydration piston is Welding Structure
Part, directly contacts with thickness paste, and circumferencial direction is provided with reciprocating dynamic seal part；Wherein said pusher oil cylinder is hold-carrying flange-type
Oil cylinder, is mounted in connection frame, and pusher oil cylinder straight line reciprocating action drives scraping wings；Wherein said scraping wings is welding
Structural member, does straight reciprocating motion under pusher hydraulic oil cylinder driving, and thickness paste after dehydration is pushed to discharge station.
A kind of thickness paste squeezing dehydration device the most according to claim 1, is characterized in that: described filter element scraper includes
Scraper, filter element and support, wherein said scraper includes 2 groups of macromolecular material scrapers and 2 groups of stainless steel metal hairbrush, and circumference is equal
Cloth is alternately arranged, does circumgyration campaign by fluid motor-driven, cleans filter screen inner surface；Described filter element is welding
Structural member, Surface coating stainless steel filtering net, realize mud-water separation by filter screen, realized the row of moisture by internal diversion passage
Go out；Described support is that welding structural element, scraper and filter element are respectively mounted and are fixed thereon, and the support other end is connected with power transmission shaft, transmission
Driving torque.
A kind of thickness paste squeezing dehydration device the most according to claim 1, is characterized in that: described end face seal includes
Drive oil cylinder, frame, sealing piston, hydraulic motor and power transmission shaft；Wherein said driving oil cylinder is base type oil cylinder, passes through oil cylinder
Linear reciprocation action drives end face seal finally realizes crush seal；Described frame is welding structural element, frame is installed fixing
Hydraulic motor and sealing piston；Described sealing piston is welding structural element, and cylindrical circumference is provided with reciprocating dynamic seal and guiding, front end
Face is provided with sealing ring, seals piston and does straight reciprocating motion under the driving driving oil cylinder, and end of travel is exerted oneself work by oil cylinder
Plug front end face and dewatering container compress to realize sealing；Described hydraulic motor is end flanges form, is passed by fluid motor-driven
Moving axis does circumgyration, interlocks scraper and filter element rotates；Described power transmission shaft is wrought metal workpiece, and the driving of hydraulic motor is turned round
Square is delivered to front end scraper filter element through power transmission shaft, and power transmission shaft is quill shaft, passage centered by quill shaft.
A kind of thickness paste squeezing dehydration device the most according to claim 1, is characterized in that: described dewatering container is gold
Belonging to the vessels not under pressure of welding structural element, including extruded segment, dewatering period and blanking section, wherein said extruded segment is cylindrical structure,
Inner surface is processed, and forms reciprocating dynamic seal with dehydration outside piston dynamic seal；Described dewatering period is tube-in-tube structure, inwall perforate
And it being lined with stainless steel filtering net, the dehydrated piston press of thickness paste, at dewatering period, relies on extruding force to realize muddy water with filter screen and divides
From；Described blanking section is cylindrical structure, and inner surface is processed, and forms guiding with end face seal piston, seals, and blanking section one end is provided with
Feed opening is connected with subsequent process equipment.
A kind of thickness paste squeezing dehydration device the most according to claim 1, is characterized in that: described hydraulic system includes
Fuel tank assembly, valve group, pump assembly and instrument；Wherein said fuel tank assembly includes fuel tank, chiller, defecator, fuel tank master
Being used for storing hydraulic oil, chiller is used for controlling hydraulic oil circulating temperature, and defecator is used for removing hydraulic pressure well cuts；
Wherein said valve group includes reversal valve, pressure valve and flow valve, for switching and the control of each oil circuit action；Wherein said pump machine
Group includes oil pump, motor；Wherein said instrument includes Pressure gauge, pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785290.5A CN104474763B (en) | 2014-12-18 | 2014-12-18 | A kind of thickness paste squeezing dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785290.5A CN104474763B (en) | 2014-12-18 | 2014-12-18 | A kind of thickness paste squeezing dehydration device |
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| CN104474763A CN104474763A (en) | 2015-04-01 |
| CN104474763B true CN104474763B (en) | 2016-08-24 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039797A (en) * | 2016-07-13 | 2016-10-26 | 安徽天健环保股份有限公司 | Scraping plate type solid-liquid separation mechanism of swill separating machine |
| CN107789885B (en) * | 2016-09-05 | 2021-01-19 | 中石化石油工程技术服务有限公司 | Petroleum downhole drilling fluid filtering device |
| CN109051569A (en) * | 2018-08-30 | 2018-12-21 | 湖北君集水处理有限公司 | A kind of Powdered Activated Carbon pressure pipeline conveying device |
| CN110367896B (en) * | 2019-07-25 | 2020-09-15 | 衢州学院 | Hydraulic driving pot brushing device |
| CN111569510A (en) * | 2020-05-08 | 2020-08-25 | 上海悠漪环保科技有限公司 | Vertical cylinder extrusion formula pressure filter |
| CN111497302B (en) * | 2020-05-22 | 2022-05-06 | 淄博中冶环保科技有限公司 | High-pressure solid-liquid separator |
| CN111470573A (en) * | 2020-06-03 | 2020-07-31 | 李诗义 | Horizontal flow type air flotation device for sewage treatment |
| CN112485190B (en) * | 2020-11-24 | 2023-05-30 | 江苏富淼科技股份有限公司 | Filter-pressing testing arrangement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08187499A (en) * | 1995-01-09 | 1996-07-23 | Fukui Kikai Kk | Dehydrator for treatment of sludge |
| JPH11290899A (en) * | 1998-04-10 | 1999-10-26 | Ebara Corp | Filter pipe type dehydrator and dehydration method |
| CN2469976Y (en) * | 2000-10-27 | 2002-01-09 | 温田玉 | Solid-liquid separating dewater for continuously treating adhesive paste |
| CN101249335A (en) * | 2008-04-02 | 2008-08-27 | 刘一章 | Full-automatic scraper cleaning filter |
| CN102126821B (en) * | 2011-04-13 | 2012-05-30 | 鲍则宇 | Pressure dewatering machine for sludge |
| CN204319890U (en) * | 2014-12-18 | 2015-05-13 | 大连容大资源循环利用咨询设计有限公司 | A kind of thickness paste squeezing dehydration device |
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