CN102730926A - Sludge deep dehydration technology and dehydration equipment - Google Patents

Sludge deep dehydration technology and dehydration equipment Download PDF

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Publication number
CN102730926A
CN102730926A CN2010105786972A CN201010578697A CN102730926A CN 102730926 A CN102730926 A CN 102730926A CN 2010105786972 A CN2010105786972 A CN 2010105786972A CN 201010578697 A CN201010578697 A CN 201010578697A CN 102730926 A CN102730926 A CN 102730926A
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China
Prior art keywords
mud
sludge
press filtration
filter bag
filtration frame
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Pending
Application number
CN2010105786972A
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Chinese (zh)
Inventor
刘学琳
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刘学琳
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Priority to CN2010105786972A priority Critical patent/CN102730926A/en
Publication of CN102730926A publication Critical patent/CN102730926A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a sludge deep dehydration technology, which comprises the following concrete steps of: a) sending sludge which is not dehydrated into a sludge storage tank; b) quantitatively filling sludge into a sludge filtration bag in a pressure filtration frame through a regulating valve and a flexible pipe; c) starting a hydraulic device to carry out pressurized filtration on the sludge filtration bag; d) moving the pressure filtration frame to a discharging platform along a guide rail; and e) opening the sludge filtration bag and putting into a sludge/cloth separator. Dehydration equipment used for the sludge deep dehydration technology is characterized in that the regulating valve and the flexible pipe are installed at the bottom of the sludge storage tank; the pressure filtration frame is positioned below the sludge storage tank; the sludge filtration bag is positioned inside the pressure filtration frame; draining grids are arranged inside the spacing between the sludge filtration bags; the pressure filtration frame is connected with a hydraulic platform through the guide rail, which is connected with the blanking platform through the guide rail; and the sludge/cloth separator is disposed in front of the discharging platform. By the adoption of the dehydration technology and the dehydration equipment, sludge with original water content of about 80% can be rapidly dehydrated such that the water content of the sludge can be reduced to less than 35%.

Description

A kind of deeply dehydrating sludge technology and dehydration equipment
Technical field
The present invention relates to technical field of sludge treatment, especially a kind of deeply dehydrating sludge technology and dehydration equipment.
Background technology
At present, the excess sludge that municipal sewage treatment produces, existing conventional dewatering type is dehydration of belt water extracter or centrifuge dewatering, the moisture percentage in sewage sludge after the dehydration is all about 80%.The mud of water ratio about 80%, follow-up disposal is difficulty very.No matter be sanitary landfill, or burn or compost, all require the water ratio of mud further is reduced to below 35%, could satisfy the follow-up disposal requirement of mud.Present known mode has three kinds.The one, heat drying adopts heat exchange form dewatered sludge, causes that energy consumption is high, cost is big, and smell is difficult to handle; The 2nd, add other auxiliary materials such as lime, carry out filter press again, cause mud not form real minimizing, and the mud composition is more complicated, cause the follow-up disposal of mud difficulty more; The 3rd, the nature drying bed is with sludge drying, but this mode floor space is big, and the cycle is long, and environment is poor, and influence factor is many, seldom adopts under the normal circumstances.
Summary of the invention
The technical problem that the present invention will solve is: the deficiency that overcomes prior art; A kind of deeply dehydrating sludge technology and dehydration equipment are provided, do not add any auxiliary material, also do not need external heat source; And floor space is few, can fast moisture percentage in sewage sludge be reduced to below 35%.
The technical solution adopted for the present invention to solve the technical problems is: a kind of deeply dehydrating sludge technology, and step specific as follows:
A) mud that will not dewater is sent into storage mud jar;
B) the press filtration frame is placed on the strongback of band roller, and mud is packed into through variable valve and flexible pipe in the mud filter bag in the press filtration frame quantitatively, leaves with the draining barrier between each mud filter bag;
C) mud filter bag stack is after guide rail moves on on the hydraulic pressure platform fixingly, and the primer fluid pressure device is to the press filtration of pressurizeing of mud filter bag, and sewage is discharged through the draining grid through filter cloth, and sewage separates with mud;
D) after the press filtration, with the press filtration frame and the band roller strongback move on to blanking bench along guide rail;
E) put into the mud cloth separating machine after mud filter bag is opened, fixedly the filter cloth of mud filter bag carries out mud cloth and separates, and with the shock club vibrations, and filter cloth carries out waterpower through filter cloth cleaning device and cleans simultaneously, and mud is transported outward through tipper.
A kind of dehydration equipment that is used for described deeply dehydrating sludge technology has the strongback, guide rail, hydraulic pressure platform, mud cloth separating machine, the filter cloth cleaning device that store up mud jar, press filtration frame, mud filter bag, draining grid, band roller, and storage mud pot bottom is equipped with variable valve and flexible pipe; The press filtration frame is positioned at storage mud jar below; Mud filter bag is positioned at the press filtration frame, is provided with the draining grid in the interval between each mud filter bag, and the press filtration frame bottom is provided with the strongback of band roller; The press filtration frame connects the hydraulic pressure platform through guide rail; Liquid platform has hydraulicefficiency plant, and the hydraulic pressure platform is connected with blanking bench through guide rail, and blanking bench the place ahead is provided with the mud cloth separating machine.
Further; Described mud cloth separating machine has front jocket wheel, back guide wheel, bottom tumbler; Be connected with the guide wheel band between front jocket wheel, back guide wheel, the bottom tumbler; Guide wheel band between back guide wheel and the bottom tumbler is provided with shock club, and the guide wheel band between front jocket wheel and the bottom tumbler is provided with filter cloth cleaning device.Tipper is positioned at guide wheel rear, back.
Further, described press filtration frame is provided with water vent and locating device.Can in time moisture be discharged effectively.
Further, on the described hydraulic pressure platform recessed rail is arranged.Hydraulic pressure platform and hydraulicefficiency plant are the sequencing robot, can the filter of sequencing ground press filtration mud wrap, and practice thrift the manpower financial capacity.
The invention has the beneficial effects as follows: dewatering process of the present invention and dehydration equipment can be about 80% mud fast dewatering with former water ratio, and its water ratio is reduced to below 35%.Technology of the present invention need not added any auxiliary material, and for subsequent disposal mud is provided convenience, the present invention does not need external heat source yet, save energy consumption, and also floor space is less, fast and effeciently realizes mud-water separation.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is the process flow sheet of dewatering process among the present invention;
Wherein: 1, storage mud jar, 2, variable valve, 3, flexible pipe, 4, the press filtration frame, 5, mud filter bag; 6, draining grid, 7, strongback, 8, guide rail, 9, the hydraulic pressure platform, 10, blanking bench; 11, mud cloth separating machine, 12, shock club, 13, filter cloth cleaning device, 14, tipper.
Embodiment
As shown in Figure 1, a kind of deeply dehydrating sludge technology, step specific as follows:
A) mud that will not dewater is sent into storage mud jar 1, and the mud of dehydration employing water ratio is not about 80% mud.
B) press filtration frame 4 is placed on the strongback 7 of band roller, and mud is packed into through variable valve 2 and flexible pipe 3 fixed quantity ground in the mud filter bag 5 in the press filtration frame 4, between each mud filter bag 5 with 6 isolation of draining grid.Variable valve 2 adopts motor-driven control valve.
C) 5 stacks of mud filter bag are after guide rail 8 moves on on the hydraulic pressure platform 9 fixingly, and the primer fluid pressure device is to mud filter bag 5 press filtration of pressurizeing, and sewage is discharged through draining grid 6 through filter cloth, and sewage separates with mud.Hydraulicefficiency plant is to mud filter bag 5 sequencing pressurization, and the sewage in the mud filter bag 5 is effectively discharged, and sewage is discharged through draining grid 6, thereby realizes that sewage separates.
D) after the press filtration, with press filtration frame 4 and the band roller strongback 7 move on to blanking bench 10 along guide rail.Mud filter bag 5 blankings with press filtration.
E) put into mud cloth separating machine 11 after mud filter bag 5 is opened, fixedly the filter cloth of mud filter bag 5 carries out mud cloth and separates, and with shock club 12 vibrations, and filter cloth carries out waterpower through filter cloth cleaning device 13 and cleans simultaneously, and mud passes through tipper 14 and transports outward.
A kind of dehydration equipment that is used for deeply dehydrating sludge technology; Strongback 7, guide rail 8, hydraulic pressure platform 9, mud cloth separating machine 11, filter cloth cleaning device 13 with storage mud jar 1, press filtration frame 4, mud filter bag 5, draining grid 6, band roller; Storage mud jar 1 bottom is equipped with variable valve 2 and flexible pipe 3, and press filtration frame 4 is positioned at storage mud jar 1 below, and mud filter bag 5 is positioned at press filtration frame 4; Be provided with draining grid 6 in the interval between each mud filter bag 5; Press filtration frame 4 bottoms are provided with the strongback 7 of band roller, and press filtration frame 7 connects hydraulic pressure platform 9 through guide rail 8, and liquid platform 9 has hydraulicefficiency plant; Hydraulic pressure platform 9 is connected with blanking bench 10 through guide rail 8, and blanking bench 10 the place aheads are provided with mud cloth separating machine 11.
Mud cloth separating machine 11 has front jocket wheel, back guide wheel, bottom tumbler; Be connected with the guide wheel band between front jocket wheel, back guide wheel, the bottom tumbler; Guide wheel band between back guide wheel and the bottom tumbler is provided with shock club 12, and the guide wheel band between front jocket wheel and the bottom tumbler is provided with filter cloth cleaning device 13.Tipper 14 is positioned at guide wheel rear, back.
Press filtration frame 4 is provided with water vent and locating device, and recessed rail is arranged on the hydraulic pressure platform 9.Hydraulic pressure platform 9 and hydraulicefficiency plant are the sequencing robot, can the filter of sequencing ground press filtration mud wrap 5, practice thrift the manpower financial capacity.
Dewatering process of the present invention and dehydration equipment can be about 80% mud fast dewatering with former water ratio, and its water ratio is reduced to below 35%.Technology of the present invention need not added any auxiliary material, and for subsequent disposal mud is provided convenience, the present invention does not need external heat source yet, save energy consumption, and also floor space is less, fast and effeciently realizes mud-water separation.

Claims (5)

1. deeply dehydrating sludge technology and dehydration equipment is characterized in that: step specific as follows:
A) mud that will not dewater is sent into storage mud jar;
B) the press filtration frame is placed on the strongback of band roller, and mud is packed into through variable valve and flexible pipe in the mud filter bag in the press filtration frame quantitatively, leaves with the draining barrier between each mud filter bag;
C) mud filter bag stack is after guide rail moves on on the hydraulic pressure platform fixingly, and the primer fluid pressure device is to the press filtration of pressurizeing of mud filter bag, and sewage is discharged through the draining grid through filter cloth, and sewage separates with mud;
D) after the press filtration, with the press filtration frame and the band roller strongback move on to blanking bench along guide rail;
E) put into the mud cloth separating machine after mud filter bag is opened, fixedly the filter cloth of mud filter bag carries out mud cloth and separates, and with the shock club vibrations, and filter cloth carries out waterpower through filter cloth cleaning device and cleans simultaneously, and mud is transported outward through tipper.
2. a dehydration equipment that is used for the described deeply dehydrating sludge technology of claim 1 is characterized in that: have strongback, guide rail, hydraulic pressure platform, mud cloth separating machine, the filter cloth cleaning device of storage mud jar, press filtration frame, mud filter bag, draining grid, band roller, store up the mud pot bottom variable valve and flexible pipe are installed; The press filtration frame is positioned at storage mud jar below; Mud filter bag is positioned at the press filtration frame, is provided with the draining grid in the interval between each mud filter bag, and the press filtration frame bottom is provided with the strongback of band roller; The press filtration frame connects the hydraulic pressure platform through guide rail; Liquid platform has hydraulicefficiency plant, and the hydraulic pressure platform is connected with blanking bench through guide rail, and blanking bench the place ahead is provided with the mud cloth separating machine.
3. dehydration equipment as claimed in claim 2; It is characterized in that: described mud cloth separating machine has front jocket wheel, back guide wheel, bottom tumbler; Be connected with the guide wheel band between front jocket wheel, back guide wheel, the bottom tumbler; Guide wheel band between back guide wheel and the bottom tumbler is provided with shock club, and the guide wheel band between front jocket wheel and the bottom tumbler is provided with filter cloth cleaning device.
4. dehydration equipment as claimed in claim 2 is characterized in that: described press filtration frame is provided with water vent and locating device.
5. dehydration equipment as claimed in claim 2 is characterized in that: on the described hydraulic pressure platform recessed rail is arranged.
CN2010105786972A 2012-08-06 2012-08-06 Sludge deep dehydration technology and dehydration equipment Pending CN102730926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105786972A CN102730926A (en) 2012-08-06 2012-08-06 Sludge deep dehydration technology and dehydration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105786972A CN102730926A (en) 2012-08-06 2012-08-06 Sludge deep dehydration technology and dehydration equipment

Publications (1)

Publication Number Publication Date
CN102730926A true CN102730926A (en) 2012-10-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264960Y (en) * 2008-03-31 2009-07-01 杨学君 Sealing arrangement for water pervious flexible container
CN101514073A (en) * 2009-03-19 2009-08-26 山东省科学院新材料研究所 Sludge pressing dewatering processing device
JP2010036066A (en) * 2008-07-31 2010-02-18 Kuritaz Co Ltd Method for dehydrating sludge deposited in storage tank of night soil treatment facility
CN102225260A (en) * 2011-04-29 2011-10-26 山东省科学院新材料研究所 Automatic filter-pressing dehydration device and working method thereof
CN102249509A (en) * 2010-08-26 2011-11-23 天津重力士净化分离技术有限公司 Apparatus for sludge undertaking, flexible pipe extruding dewatering and transportation, and system thereof
CN102272284A (en) * 2009-01-06 2011-12-07 塞弗恩.特伦特德诺拉有限责任公司 Sludge dewatering and drying

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264960Y (en) * 2008-03-31 2009-07-01 杨学君 Sealing arrangement for water pervious flexible container
JP2010036066A (en) * 2008-07-31 2010-02-18 Kuritaz Co Ltd Method for dehydrating sludge deposited in storage tank of night soil treatment facility
CN102272284A (en) * 2009-01-06 2011-12-07 塞弗恩.特伦特德诺拉有限责任公司 Sludge dewatering and drying
CN101514073A (en) * 2009-03-19 2009-08-26 山东省科学院新材料研究所 Sludge pressing dewatering processing device
CN102249509A (en) * 2010-08-26 2011-11-23 天津重力士净化分离技术有限公司 Apparatus for sludge undertaking, flexible pipe extruding dewatering and transportation, and system thereof
CN102225260A (en) * 2011-04-29 2011-10-26 山东省科学院新材料研究所 Automatic filter-pressing dehydration device and working method thereof

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Application publication date: 20121017