CN104474763A - Viscous paste extruding and dehydrating device - Google Patents
Viscous paste extruding and dehydrating device Download PDFInfo
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- CN104474763A CN104474763A CN201410785290.5A CN201410785290A CN104474763A CN 104474763 A CN104474763 A CN 104474763A CN 201410785290 A CN201410785290 A CN 201410785290A CN 104474763 A CN104474763 A CN 104474763A
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Abstract
The invention relates to a viscous paste extruding and dehydrating device, the applied range of which includes but not limited to urban sludge dehydration and oily sludge solid-liquid separation and drying of an oil field. The device main body manly comprises a dehydrating piston, a filter element scraper device, an end face seal, a dehydrating container and a hydraulic system, wherein the dehydrating piston carries out reciprocal rectilinear motion in a cavity of the dehydrating container so as to extrude and push and discharge materials; the filter element scraper device carries out circumferential rotary motion in the cavity of the dehydrating container so as to clean and auxiliary-dehydrate a filter screen; the end face seal carries out reciprocal rectilinear motion in the cavity of the dehydrating container so as to seal and discharge materials; the dehydrating container is used for separating mud and water by virtue of the built-in filter screen; the hydraulic system provides required power and motion control for the whole viscous paste extruding and dehydrating device. The viscous paste extruding and dehydrating device provided by the invention has the characteristics of little heat consumption, high dehydrating effect, strong material adaptability, high degree of automation control and the like.
Description
Art
The present invention relates to a kind of squeezing dehydration device, for carrying out processed to the thickness paste (including but not limited to municipal sludge, Sludge in Oilfields wet goods) after modifier treatment, 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 large, and content of organics is high, and easily corruption is smelly, and particle is comparatively thin, and proportion is less, jelly liquid, dehydration difficulty.Thickness paste drying and other treatment is divided into mechanical dehydration and the large class of heated drying two according to the difference of dewatering Principle.What current main flow adopted is heated drying technology, comprise convection current (convection drying), conduct the integration of (contact drying) and radiation (infra-red drying) or these technology, before heated drying process, usually adopt mechanical dehydration as preprocessing process, reduce the content of the water must removed in dry run.But due to cities and towns thickness paste moisture content high, moisture content can only be reduced to about 65% by common mechanical dehydration, residual moisture must be removed by heat exchange, and the energy consumption needed when mass disposal is high, the development and application of serious restriction 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, realize modified rear thickness paste processed by mechanical presses effect, thermal convection current is as pretreatment, and mechanical dehydration is as main mummification means.
For achieving the above object, the technical solution adopted in the present invention is: a kind of thickness paste squeezing dehydration device, comprise dewatering container and hydraulic system, from being fed to discharge end, dehydration piston, filter core scraper and end face seal are installed successively in wherein said dewatering container, dehydration piston is driven by hydraulic system, in dewatering container chamber, do linear reciprocating motion, realize extruding and shirk material action; Described filter core scraper is driven by hydraulic system, does circumgyration campaign in dewatering container chamber, realizes the cleaning to filter screen and auxiliary dehydration; Described end face seal is driven by hydraulic system, in dewatering container chamber, do linear reciprocating motion, realizes sealing 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.
Thickness paste squeezing dehydration device of the present invention is set to further: described dehydration piston comprises dehydration oil cylinder, connection frame, dehydration piston, pusher oil cylinder and scraping wings.Wherein said dehydration oil cylinder is base type oil cylinder, drives dehydration piston finally to realize extruding action by the reciprocating action of oil cylinder straight line; Wherein said connection frame is welding structural element, and junctor adds installs fixing unloading fuel tank and dehydration piston; Wherein said dehydration piston is welding structural element, directly contacts with thickness paste, and circumferencial direction is provided with reciprocating dynamic seal part, realizes extruding action under the driving of dehydration oil cylinder; Wherein said pusher oil cylinder is hold-carrying flange-type oil cylinder, is mounted in connection frame, drives scraping wings to realize pusher action by the reciprocating action of oil cylinder straight line; Wherein said scraping wings is welding structural element, under pusher hydraulic oil cylinder driving, do straight reciprocating motion, and thickness paste after dehydration is pushed to discharge station.
Filter core doctor blade device of the present invention is set to further: described filter core doctor blade device comprises scraper, filter core and support.Wherein said scraper comprises 2 groups of macromolecular material scrapers and 2 groups of stainless steel metal hairbrush, and circumference uniform distribution is alternately arranged, and does circumgyration campaign by fluid motor-driven, cleans filter screen inner surface; Described filter core is welding structural element, and Surface coating stainless steel filtering net, realizes mud-water separation by filter screen, is realized the discharge of moisture by internal diversion passage; Described support is welding structural element, and scraper and filter core are all installed and be fixed thereon, and the support other end is connected with power transmission shaft, transfer drive torque.
End face seal of the present invention is set to further: described end face seal comprises driving oil cylinder, frame, packed-piston, hydraulic motor and power transmission shaft.Wherein said driving oil cylinder is base type oil cylinder, finally realizes crush seal by the sealing of oil cylinder straight line reciprocating action Driving plane; Described frame is welding structural element, frame is installed fixed hydraulic motor and packed-piston; Described packed-piston is welding structural element, cylindrical circumference is provided with reciprocating dynamic seal and guiding, front end face is provided with sealing ring, and packed-piston does straight reciprocating motion under the driving driving oil cylinder, and end of travel is exerted oneself by oil cylinder and piston nose face and dewatering container compressed to realize sealing; Described hydraulic motor is end flanges form, does circumgyration by fluid motor-driven power transmission shaft, and interlock scraper and filter core rotate; Described power transmission shaft is wrought metal workpiece, and the driving torque of hydraulic motor is delivered to front end scraper filter core through power transmission shaft, and power transmission shaft is quill shaft, and central passage is used for isolated waste water to derive.
Dewatering container of the present invention is set to further: described dewatering container is metal weldedstructure part, vessels not under pressure, comprises extruded segment, dewatering period and blanking section.Wherein said extruded segment is cylindrical structure, and inner surface is processed, and forms reciprocating dynamic seal with dehydration outside piston dynamic seal; Described dewatering period is tube-in-tube structure, and inwall perforate is also lined with stainless steel filtering net, and the dehydrated piston press of thickness paste, at dewatering period, relies on extruding force and filter screen to realize mud-water separation; Described blanking section is cylindrical structure, and inner surface is processed, and formed with end face seal piston and lead, seal, blanking section one end is provided with feed opening and is connected with subsequent process equipment.
Hydraulic system of the present invention is set to further: described hydraulic system comprises fuel tank assembly, valve group, pump assembly and instrument.Wherein said fuel tank assembly comprises the auxiliary equipment such as fuel tank, cooling device, filter, and fuel tank is mainly used in storage liquid force feed, and cooling device is used for hydraulic control oil circulating temperature, and filter is for removing hydraulic pressure well cuts; Wherein said valve group comprises reversal valve, pressure valve and flow valve, for switching and the control of each oil circuit action; Wherein said pump assembly comprises oil pump, motor etc., for providing pressure to system oil-way; Wherein said instrument comprises Pressure gauge, pressure switch etc., provides control feedback signal for measuring system pressure.
Compared with existing equipment, the present invention has following beneficial effect:
1, thickness paste squeezing dehydration device of the present invention realizes the mud-water separation of thickness paste mainly through mechanical presses and filtration, and thermal energy consumption is few, and dewatering efficiency is high.
2, thickness paste squeezing dehydration device of the present invention is cleaned screen surface by hydraulic motor, ensures mud-water separation effect, extends filter screen service life.
3, thickness paste squeezing dehydration device of the present invention is provided with center core, increases filter area, ensures the mud-water separation effect of thickness paste core.
4, thickness paste squeezing dehydration device of the present invention is controlled technological parameters such as extruding force, extrusion speed, degree of dehydration respectively by hydraulic system, flexibly easy to adjust, to the strong adaptability of different water cut thickness paste.
5, thickness paste squeezing dehydration device of the present invention changes the mode of conventional vertical press filtration, and in paste, moisture can realize comprehensive migration.
6, thickness paste squeezing dehydration device of the present invention is modularized design, is suitable for different size dewater unit, conveniently arranges connection according to treating capacity.
7, thickness paste squeezing dehydration device of the present invention adopts split-type design, Flange joint, facilitates routine maintaining operations and dismounting transport.
8, thickness paste squeezing dehydration device totally-enclosed operation of the present invention, is as good as generation in processing procedure, and after removing waste water and dehydration, thickness paste focuses on discharge, free from environmental pollution.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is each working state schematic representation of the present invention, and in figure, (a) is state before extrusion dehydration; B () is state in extrusion dehydration; C () is/blanking state after extrusion dehydration.
Fig. 3 is hydraulic schematic of the present invention.
In figure: dehydration piston 1, filter core 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 core 22, support 23; Drive oil cylinder 31, frame 32, packed-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
Refer to shown in accompanying drawing 1 to Fig. 3, the present invention is a kind of thickness paste squeezing dehydration device, and it is made up of the piston 1 that dewaters, filter core doctor blade device 2, end face seal 3, dewatering container 4 and hydraulic system 5.Installed surface 6 is process Installation face, not included in this device.
Wherein, described dehydration piston 1 is arranged in dewatering container 4, under the driving of dehydration oil cylinder 11, axially do straight reciprocating motion along dewatering container; Described filter core doctor blade device 2 is installed on power transmission shaft 35 one end, under hydraulic motor 34 drives, do circumgyration campaign in dewatering container; Described end face seal 3 is arranged in dewatering container 4, under the driving driving oil cylinder, axially do straight reciprocating motion along dewatering container; Described hydraulic system 5 is installed on the installed surface 6 outside thickness paste squeezing dehydration device.
Further, described dehydration piston 1 comprises dehydration 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, drives dehydration piston 1 finally to realize extrusion dehydration action by the reciprocating action of oil cylinder straight line; Described connection frame 12 is welding structural element, and one end is articulated and connected with dehydration oil cylinder 11, and one end connects dehydration piston 13, for pusher oil cylinder 14 provides installing space while transmission of drive force; Described dehydration piston 13 is welding structural element, and cylindrical circumference is provided with dynamic seal, directly extrudes 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 finally to realize blanking action by the reciprocating action of oil cylinder straight line; Described scraping wings 15 is welding structural element, is fixed on pusher oil cylinder 14, under driving effect, does straight reciprocating motion.
Described filter core scraper 2 comprises scraper 21, filter core 22 and support 23.Wherein said scraper 21 is divided into 4 groups, wherein 2 groups is macromolecular material scraper 2 groups is stainless steel metal hairbrush, circumference uniform distribution is alternately arranged, driven by hydraulic motor 34 and do circumgyration campaign, macromolecular material scraper to bond dry mud layer for removing screen surface, stainless steel metal hairbrush blocks material for cleaning in filter screen mesh, cleans filter screen inner surface; Described filter core 22 is welding structural element, and Surface coating stainless steel filtering net, realizes mud-water separation by filter screen, and internal diversion passage realizes the discharge removing waste water; Described support 23 is welding structural element, is mainly used in installing fixed doctor 21 and filter core 22, and one end is connected with power transmission shaft 35, transfer drive torque.
Described end face seal 3 comprises driving oil cylinder 31, frame 32, packed-piston 33, hydraulic motor 34 and power transmission shaft 35.Wherein said driving oil cylinder 31 is base type oil cylinder, is mounted on installed surface 6, finally realizes crush seal by oil cylinder straight line reciprocating action Driving plane sealing 3; Described frame 31 is welding structural element, and for installing fixed hydraulic motor and packed-piston, one end is articulated and connected with driving oil cylinder 31; Described packed-piston 33 is welding structural element, cylindrical circumference is provided with dynamic seal and guiding, front end face is provided with sealing ring, under the driving driving oil cylinder 31, do straight reciprocating motion, and exerting oneself by oil cylinder compresses to realize sealing by packed-piston 33 end face and dewatering container 4; Described hydraulic motor 34 is end flanges form, drives power transmission shaft 35 to do circumgyration by hydraulic motor 34; Described power transmission shaft 35 is wrought metal workpiece, and the driving torque of hydraulic motor 34 is delivered to front end scraper filter core 2 through power transmission shaft 35, and power transmission shaft 35 is quill shaft, and central passage is used for isolated waste water to derive.
Described dewatering container 4 comprises extruded segment 41, dewatering period 42 and blanking section 43.Wherein said extruded segment 41 is cylindrical structure, and 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, and inner surface perforate is also lined with stainless steel filtering net, and the dehydrated piston 13 of thickness paste 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 formed with end face seal piston 33 and lead, seal, one end is provided with feed opening.
Described hydraulic system 5 comprises fuel tank assembly 51, valve group 52, pump assembly 53 and instrument 54.Wherein said fuel tank assembly 51 comprises the auxiliary equipment such as fuel tank, cooling device, filter, and fuel tank is mainly used in storage liquid force feed, and cooling device is used for hydraulic control oil circulating temperature, and filter is for removing hydraulic pressure well cuts; Wherein said valve group 52 comprises reversal valve, pressure valve and flow valve, for switching and the control of each oil circuit action; Wherein said pump assembly 53 comprises oil pump, motor etc., for providing pressure to system oil-way; Wherein said instrument 54 comprises Pressure gauge, pressure switch etc., provides control feedback signal for measuring system pressure.Described hydraulic system can realize regulating nearly all technological parameter such as squeeze pressure, extrusion speed by control valve group, and flexible adjustment, automaticity is high.
The course of work refers to Fig. 2: the piston 1 that dewaters during pan feeding retreats to left end, and end face seal 3 is positioned at left end impaction state, and now material can enter in the working chamber of dewatering container 4 by feeding mouth; Pan feeding terminates, feeding mouth is closed, dehydration piston 1 moves from left to right under hydraulic system 5 drives, end face seal 3 keeps motionless under hydraulic system 5 drives, the working chamber volume of dewatering container 4 reduces gradually with the compression of dehydration piston 1, in material, excessive moisture is discharged by dewatering period 42 filter screen, and material realizes dehydration; After dehydration terminates, end face seal 3 retreats to right-hand member under hydraulic system 5 drives, and pusher oil cylinder 14 stretches out to the right under hydraulic system 5 drives, and is unloaded by material from right-hand member feed opening; Piston 1 right-to-left under hydraulic system 5 drives that dewaters after discharging moves, end face seal 3 right-to-left under hydraulic system 5 drives moves, and pusher oil cylinder 14 is return left under hydraulic system 5 drives, and retreats to initial position separately, feeding mouth is opened, and enters subsequent work circulation.
Claims (6)
1. a thickness paste squeezing dehydration device, it is characterized in that: comprise dewatering container and hydraulic system, from being fed to discharge end, dehydration piston, filter core scraper and end face seal are installed successively in wherein said dewatering container, dehydration piston is driven by hydraulic system, in dewatering container chamber, do linear reciprocating motion, realize extruding and shirk material action; Described filter core scraper is driven by hydraulic system, does circumgyration campaign in dewatering container chamber, realizes the cleaning to filter screen and auxiliary dehydration; Described end face seal is driven by hydraulic system, in dewatering container chamber, do linear reciprocating motion, realizes sealing 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.
2. a kind of thickness paste squeezing dehydration device according to claim 1, is characterized in that: described dehydration piston comprises dehydration oil cylinder, connection frame, dehydration piston, pusher oil cylinder and scraping wings; Wherein said dehydration oil cylinder is base type oil cylinder, dehydration oil cylinder linear reciprocation action drives dehydration piston; Wherein said connection frame is welding structural element, and junctor adds installs fixing unloading fuel tank and dehydration piston; Wherein said dehydration piston is welding structural element, 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 the reciprocating action of pusher oil cylinder straight line drives scraping wings; Wherein said scraping wings is welding structural element, under pusher hydraulic oil cylinder driving, do straight reciprocating motion, and thickness paste after dehydration is pushed to discharge station.
3. a kind of thickness paste squeezing dehydration device according to claim 1, it is characterized in that: described filter core doctor blade device comprises scraper, filter core and support, wherein said scraper comprises 2 groups of macromolecular material scrapers and 2 groups of stainless steel metal hairbrush, circumference uniform distribution is alternately arranged, do circumgyration campaign by fluid motor-driven, filter screen inner surface is cleaned; Described filter core is welding structural element, and Surface coating stainless steel filtering net, realizes mud-water separation by filter screen, is realized the discharge of moisture by internal diversion passage; Described support is welding structural element, and scraper and filter core are all installed and be fixed thereon, and the support other end is connected with power transmission shaft, transfer drive torque.
4. a kind of thickness paste squeezing dehydration device according to claim 1, is characterized in that: described end face seal comprises driving oil cylinder, frame, packed-piston, hydraulic motor and power transmission shaft; Wherein said driving oil cylinder is base type oil cylinder, finally realizes crush seal by the sealing of oil cylinder straight line reciprocating action Driving plane; Described frame is welding structural element, frame is installed fixed hydraulic motor and packed-piston; Described packed-piston is welding structural element, cylindrical circumference is provided with reciprocating dynamic seal and guiding, front end face is provided with sealing ring, and packed-piston does straight reciprocating motion under the driving driving oil cylinder, and end of travel is exerted oneself by oil cylinder and piston nose face and dewatering container compressed to realize sealing; Described hydraulic motor is end flanges form, does circumgyration by fluid motor-driven power transmission shaft, and interlock scraper and filter core rotate; Described power transmission shaft is wrought metal workpiece, and the driving torque of hydraulic motor is delivered to front end scraper filter core through power transmission shaft, and power transmission shaft is quill shaft, passage centered by quill shaft.
5. a kind of thickness paste squeezing dehydration device according to claim 1, it is characterized in that: described dewatering container is the vessels not under pressure of metal weldedstructure part, comprise 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, and inwall perforate is also lined with stainless steel filtering net, and the dehydrated piston press of thickness paste, at dewatering period, relies on extruding force and filter screen to realize mud-water separation; Described blanking section is cylindrical structure, and inner surface is processed, and formed with end face seal piston and lead, seal, blanking section one end is provided with feed opening and is connected with subsequent process equipment.
6. a kind of thickness paste squeezing dehydration device according to claim 1, is characterized in that: described hydraulic system comprises fuel tank assembly, valve group, pump assembly and instrument; Wherein said fuel tank assembly comprises fuel tank, cooling device, filter, and fuel tank is mainly used in storage liquid force feed, and cooling device is used for hydraulic control oil circulating temperature, and filter is for removing hydraulic pressure well cuts; Wherein said valve group comprises reversal valve, pressure valve and flow valve, for switching and the control of each oil circuit action; Wherein said pump assembly comprises oil pump, motor; Wherein said instrument comprises Pressure gauge, pressure switch.
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| CN201410785290.5A CN104474763B (en) | 2014-12-18 | 2014-12-18 | A kind of thickness paste squeezing dehydration device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107789885A (en) * | 2016-09-05 | 2018-03-13 | 中石化石油工程技术服务有限公司 | Oil down-hole drilling fluids filter |
| 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 |
| CN110367896A (en) * | 2019-07-25 | 2019-10-25 | 衢州学院 | Hydraulic-driven boiler brusher |
| CN111470573A (en) * | 2020-06-03 | 2020-07-31 | 李诗义 | Horizontal flow type air flotation device for sewage treatment |
| CN111497302A (en) * | 2020-05-22 | 2020-08-07 | 淄博中冶环保科技有限公司 | High-pressure solid-liquid separator |
| CN112485190A (en) * | 2020-11-24 | 2021-03-12 | 江苏富淼科技股份有限公司 | Filter-pressing testing arrangement |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107789885A (en) * | 2016-09-05 | 2018-03-13 | 中石化石油工程技术服务有限公司 | Oil down-hole drilling fluids filter |
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| CN112485190A (en) * | 2020-11-24 | 2021-03-12 | 江苏富淼科技股份有限公司 | Filter-pressing testing arrangement |
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| CN104474763B (en) | 2016-08-24 |
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