CN103833197A - Deep sludge dehydration method and system - Google Patents

Deep sludge dehydration method and system Download PDF

Info

Publication number
CN103833197A
CN103833197A CN201410092327.6A CN201410092327A CN103833197A CN 103833197 A CN103833197 A CN 103833197A CN 201410092327 A CN201410092327 A CN 201410092327A CN 103833197 A CN103833197 A CN 103833197A
Authority
CN
China
Prior art keywords
container
cavity
deep dehydration
filter
pressing device
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.)
Pending
Application number
CN201410092327.6A
Other languages
Chinese (zh)
Inventor
葛守飞
王辉
黄国胜
林德宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG CHANGNENG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
ZHEJIANG CHANGNENG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG CHANGNENG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co Ltd filed Critical ZHEJIANG CHANGNENG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201410092327.6A priority Critical patent/CN103833197A/en
Publication of CN103833197A publication Critical patent/CN103833197A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention provides a deep sludge dehydration method and system. The deep sludge dehydration system comprises a modification device and further comprises a conveying device, a container, a driving device and a filter pressing device, wherein the inlet end of the conveying device is communicated with the modification device, and the outlet end of the conveying device is communicated with the container and the filter pressing device; the container comprises a piston; the outlet of the container is communicated with the modification device and the filter pressing device; the driving device is used for driving the piston to move in the container; the filter pressing device comprises at least two cavities superposed together; the volume of each cavity is kept invariable. The deep sludge dehydration system has the advantages of high dehydration rate, short production cycle, long service life and the like.

Description

Deep dehydration method for sludge and system
Technical field
The present invention relates to solid-liquid separation, particularly deep dehydration method for sludge and system.
Background technology
Solid-liquid separation technique is except concentration and settlement equipment and heating power drying plant at present, substantially have following several for the technical equipment of dewatering: vacuum filter, centrifuge, belt filter press, cavity pressure filter etc., other structure formation can be concluded substantially as in above several classification forms.The each have their own feature of various technology, respectively has applicable field above.Wherein, diaphragm pressing machine is as the modified version of traditional cavity pressure filter, there is solid-liquid separation impellent large, newly-increased twice pressing after static filtering, the advantages such as mud extraction moisture content of the cake is low, but it is larger also to exist energy consumption, and filtration medium needs periodic replacement, and the dwell time is grown (4-8h), causes the low inferior shortcoming of production efficiency.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides the deep dehydration method for sludge that a kind of dehydration rate is high, working efficiency is high.
The object of the invention is to be achieved through the following technical solutions:
Deep dehydration method for sludge, described deep dehydration method for sludge comprises the following steps:
(A1) mud is transported in reforming apparatus, does modification;
(A2) mud after modification is sent in container and filter-pressing device;
(A3) close the connection of described reforming apparatus and container, between described container and filter-pressing device, keep being communicated with;
(A4) move the piston in described container, the mud in described container is expressed in described filter-pressing device and arrives set(ting)value pressurize, the volume of filter-pressing device inner chamber body remains unchanged;
Water in mud, by the filtration medium in each cavity, is discharged from cavity drainage channel afterwards.
According to above-mentioned deep dehydration method for sludge, preferably, use spiral pump that mud is transported in described container and filter-pressing device.
According to above-mentioned deep dehydration method for sludge, preferably, described each cavity adopts rigid material, and cavity is superimposed.
According to above-mentioned deep dehydration method for sludge, preferably, the center of described each cavity is communicated with.
The present invention also aims to provide that a kind of dehydration rate is high, efficiency is high, the deep dehydration system for sludge of long service life; This goal of the invention being achieved by the following technical programs:
A kind of deep dehydration system for sludge, described deep dehydration system for sludge comprises reforming apparatus; Described deep dehydration system for sludge further comprises:
E Foerderanlage, the entrance end of described e Foerderanlage is communicated with described reforming apparatus, exit end connection container and filter-pressing device;
Container, has piston in described container, and the outlet of described container is communicated with described reforming apparatus and filter-pressing device;
Drive unit, described drive unit is used for driving described piston to move in container;
Filter-pressing device, described filter-pressing device comprises at least two cavitys that are superimposed, and the volume of each cavity remains unchanged, and in described each cavity, has filtration medium, and drainage channel is arranged on described each cavity.
According to above-mentioned deep dehydration system for sludge, preferably, described e Foerderanlage adopts spiral pump.
According to above-mentioned deep dehydration system for sludge, preferably, described each cavity adopts rigid material.
According to above-mentioned deep dehydration system for sludge, preferably, the center of described each cavity is communicated with.
According to above-mentioned deep dehydration system for sludge, alternatively, described drive unit further comprises:
Motor and transmission rig, described transmission rig is arranged between described motor and piston.
According to above-mentioned deep dehydration system for sludge, preferably, described drainage channel be arranged on described cavity radially and/or axially.
Compared with prior art, the beneficial effect that the present invention has is:
1, contribute to increase the pressure between mud, significantly improved dehydration rate and the working efficiency of mud;
2, dewatering time is short, as charging 0.5h, and pressurize 0.5h, 1 hour whole cycle, thus shortening the production cycle, working efficiency is high;
3, filtration medium adopts metal material, withstand voltage height, and long service life, can reach 20 years;
4, cavity internal volume is constant, only depends on the pressure between mud to remove drainage, has reduced system operation expense.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art hold intelligible: these accompanying drawings are only for illustrating technical scheme of the present invention, and are not intended to protection scope of the present invention to be construed as limiting.In figure:
Fig. 1 is the schema of deep dehydration method for sludge of the present invention;
Fig. 2 is the structure diagram of deep dehydration system for sludge of the present invention;
Fig. 3 is the structure diagram of filter-pressing device of the present invention.
Embodiment
Fig. 1-3 and following declarative description optional embodiment of the present invention to instruct those skilled in the art how to implement and to reproduce the present invention.In order to instruct technical solution of the present invention, simplify or omitted some conventional aspects.Those skilled in the art should understand that be derived from these embodiments modification or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present invention in every way.Thus, the present invention is not limited to following optional embodiment, and is only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 has schematically provided the schema of the deep dehydration method for sludge of the embodiment of the present invention, and as shown in Figure 1, described deep dehydration method for sludge comprises the following steps:
(A1) mud is transported in reforming apparatus, does modification, as: mud is transported in the first container, adds interfacial agent and stirs; The modification of mud is the state of the art, does not repeat them here;
(A2) mud after modification is sent in second container and filter-pressing device by e Foerderanlage; As, by spiral pump transmission;
(A3) close the connection of described reforming apparatus and second container, between described container and filter-pressing device, be communicated with; Prevent that the mud in second container from pouring in down a chimney meeting the first container;
(A4) move the piston in described container, the mud in described container is expressed in described filter-pressing device and arrives set(ting)value pressurize, the volume of filter-pressing device inner chamber body remains unchanged; Cavity adopts rigid material;
Water in mud, by the filtration medium in each cavity, is discharged from cavity drainage channel afterwards.
Fig. 2 has schematically provided the structure diagram of the deep dehydration system for sludge (for implementing the system of above-mentioned dewatering) of the embodiment of the present invention, and as shown in Figure 2, described deep dehydration system for sludge comprises:
Reforming apparatus, described reforming apparatus comprises the first container, mud import and outlet:
E Foerderanlage, the entrance end of described e Foerderanlage is communicated with described reforming apparatus, exit end connection container and filter-pressing device; Described e Foerderanlage can adopt transferpump, as spiral pump;
Second container, has piston in described second container, and the outlet of described second container is communicated with the first container and the filter-pressing device of described reforming apparatus;
Drive unit, described drive unit is for driving the movement of described piston in described second container;
Filter-pressing device, described filter-pressing device comprises at least two cavitys that are superimposed, and the volume of each cavity (employing rigid material) remains unchanged, and in described each cavity, has filtration medium, and drainage channel is arranged on described each cavity.
In order to move preferably described piston, preferably, described drive unit comprises motor and transmission rig, and described transmission rig is arranged between described motor and piston, makes under the effect of drive unit described piston translational motion in second container.
For draining better, preferably, described drainage channel be arranged on described cavity radially and/axially.Embodiment 2:
According to the application examples of the deep dehydration method for sludge of embodiment 1 and system.
In this application examples, adopt spiral pump as e Foerderanlage, be arranged between the first container and second container, the first valve and the second valve are set on the pipeline between described screw rod delivery side of pump and the entrance end of second container, the second valve and the 3rd valve are set on the pipeline between entrance end and the filter-pressing device of described second container.
Fig. 3 has schematically provided the structure diagram of filter-pressing device, and as shown in Figure 3, described filter-pressing device comprises at least two cavitys 11 that are superimposed, and described cavity entirety is tubular, adopts high-strength stainless steel to make, and is difficult for deformation; The bottom of cavity has central through hole 34, and is covered with filtration medium 21 in inside, as filter cloth; On the barrel of cavity, there is radial direction through hole 31, there is axial blind hole 32 and blind hole radially 33 in the inside of the bottom of cavity, blind hole 33 connection shafts radially to blind hole 32 to become through hole on the whole, be used for being communicated with cavity 11 inside and extraneous (as drainage channel), so that draining.In the cavity at filter-pressing device two ends, can only establish axial through hole in the bottom of cavity.
Deep dehydration method for sludge, is also the working process of above-mentioned deep dehydration system for sludge, said method comprising the steps of:
(A1) mud is transported in reforming apparatus, does modification, and specific practice is:
Mud is transported in the first container, adds interfacial agent and stirs;
Reduce the surface tension of mud solid-liquid by boundary's (table) surface-active agent, reduced anti-shearing force and the rheological of mud flco, make the Energy Intensity Reduction of the operating process such as stirring, mixing, and the medicament of follow-up interpolation is more easily evenly distributed.Simultaneously, solublization and the dissemination of boundary's (table) surface-active agent amphiphilic structure impel mud ECP to be transferred in water, ECP distribution in mud flco is changed, promote the disintegration of mud flco structure, impel contained moisture in mud flco grid to be released, thereby the moisture degree of depth being conducive in mud is deviate from.
(A2) open first, second, third valve, the mud after modification is sent in second container and filter-pressing device by spiral pump;
(A3) close described the first valve, prevent that the mud in second container from pouring in down a chimney back the first container;
(A4) under motor drives, piston moves in described second container, mud in described second container is expressed in described filter-pressing device: enter by the centre hole of each cavity in the space of each cavity, the pressure increasing between mud becomes large gradually, to pressurize after set(ting)value, volume in filter-pressing device remains unchanged, and the water in mud flows out filter-pressing device after passing stainless steel filtration medium, drainage channel;
After pressurize half an hour, open cavity, export dry mud cake;
(A5) close described the 3rd valve, open the first valve, start motor and spiral pump, thereby piston is retracted to original position, the mud in the first container is sucked in second container simultaneously;
In the time that filter-pressing device need to overhaul, close the second valve, so that maintenance.

Claims (10)

1. deep dehydration method for sludge, described deep dehydration method for sludge comprises the following steps:
(A1) mud is transported in reforming apparatus, does modification;
(A2) mud after modification is sent in container and filter-pressing device;
(A3) close the connection of described reforming apparatus and container, between described container and filter-pressing device, be communicated with;
(A4) move the piston in described container, the mud in described container is expressed in described filter-pressing device and arrives set(ting)value pressurize, the volume of filter-pressing device inner chamber body remains unchanged;
Water in mud, by the filtration medium in each cavity, is discharged from cavity drainage channel afterwards.
2. deep dehydration method for sludge according to claim 1, is characterized in that: use spiral pump that mud is transported in described container and filter-pressing device.
3. deep dehydration method for sludge according to claim 1, is characterized in that: described each cavity adopts rigid material, and cavity is superimposed.
4. deep dehydration method for sludge according to claim 1, is characterized in that: the center of described each cavity is communicated with.
5. a deep dehydration system for sludge, described deep dehydration system for sludge comprises reforming apparatus; It is characterized in that: described deep dehydration system for sludge further comprises:
E Foerderanlage, the entrance end of described e Foerderanlage is communicated with described reforming apparatus, exit end connection container and filter-pressing device;
Container, has piston in described container, and the outlet of described container is communicated with described reforming apparatus and filter-pressing device;
Drive unit, described drive unit is used for driving described piston to move in container;
Filter-pressing device, described filter-pressing device comprises at least two cavitys that are superimposed, and the volume of each cavity remains unchanged, and in described each cavity, has filtration medium, and drainage channel is arranged on described each cavity.
6. deep dehydration system for sludge according to claim 5, is characterized in that: described e Foerderanlage adopts spiral pump.
7. deep dehydration system for sludge according to claim 5, is characterized in that: described each cavity adopts rigid material.
8. deep dehydration system for sludge according to claim 5, is characterized in that: the center of described each cavity is communicated with.
9. deep dehydration system for sludge according to claim 5, is characterized in that: described drive unit further comprises:
Motor and transmission rig, described transmission rig is arranged between described motor and piston.
10. deep dehydration system for sludge according to claim 5, is characterized in that: described cavity radially and/or be axially arranged with drainage channel.
CN201410092327.6A 2014-03-11 2014-03-11 Deep sludge dehydration method and system Pending CN103833197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410092327.6A CN103833197A (en) 2014-03-11 2014-03-11 Deep sludge dehydration method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410092327.6A CN103833197A (en) 2014-03-11 2014-03-11 Deep sludge dehydration method and system

Publications (1)

Publication Number Publication Date
CN103833197A true CN103833197A (en) 2014-06-04

Family

ID=50797142

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410092327.6A Pending CN103833197A (en) 2014-03-11 2014-03-11 Deep sludge dehydration method and system

Country Status (1)

Country Link
CN (1) CN103833197A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105254163A (en) * 2015-11-05 2016-01-20 茆正伟 Automatic sludge dewatering machine
CN105254162A (en) * 2015-11-05 2016-01-20 茆正伟 Automatic sludge dewatering system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411797A (en) * 1979-05-19 1983-10-25 Basf Aktiengesellschaft Dewatering of sewage sludges on chamber filter presses
JPH05318189A (en) * 1992-05-19 1993-12-03 Nagaoka:Kk Pressurization type dehydrating device for sludge treatment and sludge treatment
CN1292769A (en) * 1999-01-06 2001-04-25 施托克豪森公司 Method of dewatering slurries using leaf filters (filter presses)
CN103253842A (en) * 2013-03-28 2013-08-21 上海同臣环保有限公司 Sludge deep dewatering treatment system and process
CN203845923U (en) * 2014-03-11 2014-09-24 浙江昌能环保科技有限公司 Deep dehydration system for sludge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411797A (en) * 1979-05-19 1983-10-25 Basf Aktiengesellschaft Dewatering of sewage sludges on chamber filter presses
JPH05318189A (en) * 1992-05-19 1993-12-03 Nagaoka:Kk Pressurization type dehydrating device for sludge treatment and sludge treatment
CN1292769A (en) * 1999-01-06 2001-04-25 施托克豪森公司 Method of dewatering slurries using leaf filters (filter presses)
CN103253842A (en) * 2013-03-28 2013-08-21 上海同臣环保有限公司 Sludge deep dewatering treatment system and process
CN203845923U (en) * 2014-03-11 2014-09-24 浙江昌能环保科技有限公司 Deep dehydration system for sludge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105254163A (en) * 2015-11-05 2016-01-20 茆正伟 Automatic sludge dewatering machine
CN105254162A (en) * 2015-11-05 2016-01-20 茆正伟 Automatic sludge dewatering system
CN105254163B (en) * 2015-11-05 2017-10-27 盐城市远大环保设备有限公司 Automate sludge dewatering equipment
CN105254162B (en) * 2015-11-05 2017-12-08 盐城市远大环保设备有限公司 Automate sludge dewatering system

Similar Documents

Publication Publication Date Title
CN104860504B (en) Dewatering method based on double-body type sewage sludge deep dewatering device
JP2014151321A (en) Dewatering equipment
CN105819638B (en) High mass dryness fraction sewage sludge treatment method
CN107008042B (en) Sewage sludge reduction dewatering device based on electromagnetic force
CN204310940U (en) A kind of centrifugal sludge concentrator
CN103833197A (en) Deep sludge dehydration method and system
CN104438198A (en) Circulating water waste plastic cleaning equipment
CN101830623A (en) Extrusion dewaterer
CN105819637B (en) High mass dryness fraction sewage sludge processing unit
CN103803773B (en) Filter cloth-free vertical compression sludge high-pressure dewatering machine
CN203845923U (en) Deep dehydration system for sludge
CN110913966A (en) Apparatus for separating liquid and non-liquid portions of an effluent
CN210796089U (en) Aerogel oil-water separator
CN206244467U (en) A kind of oil water separator
CN204981553U (en) Novel sludge thickening processing apparatus of ultrasonic wave disconnect -type
CN105819640B (en) Gas aoxidizes sewage sludge multistage dewatering
CN105819636B (en) High mass dryness fraction sewage sludge treatment system
CN105948301B (en) High mass dryness fraction sewage sludge integrated sewage treatment system and method
CN108014526A (en) The equipment for separating liquid from solid and solid-liquid separating method to be pressurizeed by hydraulic pressure
CN103931735B (en) The mechanical filtration device in Carapax Eriocheir sinensis enzymolysis pond
CN104384131A (en) Circulating water waste plastic cleaner
CN205061720U (en) Receive and strain device
CN204932973U (en) A kind of filter press of adjustable production capacity
CN103922558B (en) A kind of mud filter
CN204275619U (en) For the filter of coal tar deep processing

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140604