CN203183762U - Energy-saving diaphragm type pressure filter - Google Patents

Energy-saving diaphragm type pressure filter Download PDF

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Publication number
CN203183762U
CN203183762U CN 201320201057 CN201320201057U CN203183762U CN 203183762 U CN203183762 U CN 203183762U CN 201320201057 CN201320201057 CN 201320201057 CN 201320201057 U CN201320201057 U CN 201320201057U CN 203183762 U CN203183762 U CN 203183762U
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CN
China
Prior art keywords
filter
pressure
plate
control valve
thrust plate
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.)
Withdrawn - After Issue
Application number
CN 201320201057
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Chinese (zh)
Inventor
徐大鹏
冯英
王维征
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.)
GUANGXI XINTIANDE ENERGY CO Ltd
Original Assignee
GUANGXI XINTIANDE ENERGY 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 GUANGXI XINTIANDE ENERGY CO Ltd filed Critical GUANGXI XINTIANDE ENERGY CO Ltd
Priority to CN 201320201057 priority Critical patent/CN203183762U/en
Application granted granted Critical
Publication of CN203183762U publication Critical patent/CN203183762U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an energy-saving diaphragm type pressure filter. The energy-saving diaphragm type pressure filter comprises a thrust plate, a compaction plate, filter plates and a jacking cylinder, wherein the thrust plate and the compaction plate are oppositely arranged, the compaction plate is connected to the piston rod of the jacking cylinder, the filter plates are sequentially arranged between the thrust plate and the compaction plate, a filter cloth is clamped between the filter plates to form a filter chamber, an elastic membrane is arranged between the filter plate and the filter cloth, a feeding hole communicated with each filter chamber is formed on the thrust plate, the feeding hole is communicated with a slurry pumping pipe provided with a control valve, a dehydration hole communicated to a space between the filter plates and the elastic membrane is also formed on the thrust plate, the dehydration hole is communicated with a high pressure medium pumping pipe provided with a control valve, and a high pressure gas pipe provided with the control valve and a pollution discharge pipe are connected into the slurry pumping pipe at the feeding hole. The energy-saving diaphragm type pressure filter has the advantages that two added technological measures, namely residual liquid exhausting and air back purging, the water content of a filter cake is reduced to the utmost extent, and steam is saved for the next drying working procedure.

Description

Energy-saving membrane pressure filter
(1) technical field:
The utility model relates to the filtering equipment of Separation of Solid and Liquid, is specially a kind of energy-saving membrane pressure filter.
(2) background technology:
Membrane pressure filter in the unit are disposal ability, reduce filter cake moisture, the aspects such as adaptability of the character of material handling all shown significant effect, be widely used in existing the every field of Separation of Solid and Liquid, as the feedstuff industry of the application unit.
The primary structure of described diaphragm filter press is divided into main frame and two parts of hydraulic pressure.Main frame mainly partly is made up of thrust plate, pressure strip, filter plate, oil cylinder, oil cylinder seat, crossbeam etc., when oil cylinder piston in hydraulic oil effect following time, will drive pressure strip to move forward and backward at crossbeam; Filter plate is arranged between pressure strip and the thrust plate in proper order, and the centre also will clip filter cloth, has installed one deck elastic membrane between filter plate and the filter cloth additional, and when pressure strip advanced to the front, filter plate and filter plate just formed filter chamber one by one.
When slurry is advanced in pushing under the pressure of membrane pressure filter at feed pump, slurry will enter each filter chamber from the charging aperture of thrust plate, solid particle also can be trapped in filter chamber inside greatly because of the hole of size ratio filter cloth, form a filter cake, liquid component can be by filter cake and filter cloth outside fluid hole be discharged to machine; When pan feeding finishes, high-pressure fluid medium can be injected between filter plate and the elastic membrane, at this moment whole elastic membrane will be heaved the compressing filter cake, thereby realizes the further dehydration of filter cake.
Find in the practice, begin discharging after membrane pressure filter squeezing is finished before, some slurries remains between charging aperture and filter plate and the filter plate, has influenced the removal of filter cake water content, causes the press filtration efficient of machine to can not get improving to greatest extent.
(3) utility model content:
At the weak point of conventional membrane formula filter press, the purpose of this utility model is to have proposed a kind of energy-saving membrane pressure filter that improves the machine operational efficiency.
Can realize the energy-saving membrane pressure filter of above-mentioned purpose, comprise thrust plate, pressure strip, filter plate and roof pressure oil cylinder, described thrust plate is relative with pressure strip and put, pressure strip is connected on the piston rod of roof pressure oil cylinder, described filter plate is arranged in proper order and is pressed between thrust plate and the pressure strip, clip filter cloth between filter plate and the filter plate and form filter chamber, also be provided with elastic membrane between filter plate and the filter cloth, offer the charging aperture that is communicated with each filter chamber on the described thrust plate, the external slurry pump line that has control valve of described charging aperture, also offer the dehydrated mouth that feeds between filter plate and the elastic membrane on the thrust plate, the external high-pressure medium pump line that has control valve of described dehydrated mouth, difference is in the charging aperture place, the high-pressure air pipe and the blow-off pipe that have control valve insert the slurry pump line, by advancing slurry dehydration---the filter-pressing process flow process of extrusion dehydration---emptying remains liquid---air blowback, described slurry pump line, the high-pressure medium pump line, the control valve of blow-off pipe and high-pressure air pipe is opened separately respectively.
Conventionally connect slurry pump line, charging aperture, high-pressure air pipe and blow-off pipe with four-way union.
Corresponding to the slurry pump line of ¢ 125, the coupling caliber of described high-pressure air pipe is ¢ 25, and the coupling caliber of described blow-off pipe is ¢ 50.
Advantage of the present utility model:
The energy-saving membrane pressure filter of the utility model adopts the technological measure of the surplus liquid of emptying and two increases of air blowback, reduces the water content of filter cake to greatest extent, saves steam for next step baking operation, dries one ton of feed and can economize on gas 50kg.
(4) description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Figure number sign: 1, thrust plate; 2, pressure strip; 3, filter plate; 4, roof pressure oil cylinder; 5, slurry pump line; 6, control valve; 7, high-pressure air pipe; 8, blow-off pipe; 9, four-way union; 10, charging aperture; 11, dehydrated mouth; 12, piston rod; 13, oil cylinder seat; 14, support.
(5) specific embodiment:
Below in conjunction with accompanying drawing the technical solution of the utility model is described further:
The energy-saving membrane pressure filter of the utility model comprises thrust plate 1, pressure strip 2, filter plate 3, roof pressure oil cylinder 4, parts such as oil cylinder seat 13 and crossbeam constitute, two crossbeams connect into a rectangular horizontal frame with oil cylinder seat 13 and thrust plate 1 and are supported on the support 14, roof pressure oil cylinder 4 is installed in oil cylinder seat 13, the horizontal piston bar 12 of roof pressure oil cylinder 4 protracts and connects pressure strip 2(and be held on the crossbeam), pressure strip 2 is oppositely arranged with thrust plate 1, some filter plate 3 orders are arranged and are pressed between pressure strip 2 and the thrust plate 1, clip filter cloth between filter plate 3 and the filter plate 3, install one deck elastic membrane between filter plate and the filter cloth additional, form filter chamber between filter plate 3 and the filter plate 3, as shown in Figure 1.
The middle part of described thrust plate 1 arranges the charging aperture 10 that can be communicated with each filter chamber, and described charging aperture 10 needs outwards to be communicated with the slurry pump line 5 of band control valve 6; The periphery of thrust plate 1 arranges dehydrated mouth 11, and described dehydrated mouth 11 can pass between the filter plate 3 and elastic membrane of each filter chamber, and dehydrated mouth 11 needs outwards to be communicated with the high-pressure medium pump line of band control valve 6, as shown in Figure 1.
The slurry pump line 5 of charging aperture 10 positions also need insert high-pressure air pipe 7 and the blow-off pipe 8 of band control valve 6, for convenient the connection adopted four-way union 9, slurry pump line 5, charging aperture 10, high-pressure air pipe 7 and blow-off pipe 8 are connected together by four-way union 9, by advancing slurry dehydration---the filter-pressing process flow process of extrusion dehydration---emptying remains liquid---air blowback, the control valve 6 of described slurry pump line 5, high-pressure medium pump line, blow-off pipe 8 and high-pressure air pipe 7 is opened separately respectively, and slurry pump line 5, high-pressure medium pump line, blow-off pipe 8 and high-pressure air pipe 7 are worked alone respectively.
The caliber of described slurry pump line 5 is ¢ 125, and the caliber of high-pressure air pipe 7 is ¢ 25, and the caliber of blow-off pipe 8 is ¢ 50.
Filter-pressing process flow process of the present utility model:
1, at first is the normal pressure press-dehydrating, also claims to advance the slurry dehydration.
The piston rod 12 of roof pressure oil cylinder 4 is released and is compressed filter plate 3, the control valve 6 of slurry pump line 5 is opened (control valve 6 of other pipelines is closed), filter material is admitted to filter chamber at powerful direct draught, its solid portion of filter material that enters filter chamber is filtered cloth and holds back the formation filter cake, liquid partly sees through filter cloth and discharges filter chamber, thereby reach the purpose of Separation of Solid and Liquid, along with the increase of malleation pressure, Separation of Solid and Liquid is then more thorough.
2, be extrusion dehydration then.
The control valve 6 of high-pressure medium pump line is opened (control valve 6 of other pipelines is closed), and then the fluid compressed media back side that enters elastic membrane promotes elastic membrane filter cake is further dewatered.
3, carry out the surplus liquid of emptying again.
After dehydration was finished, the control valve 6 of blow-off pipe 8 was opened (control valve 6 of other pipelines is closed), with the whole emptyings of residual liquid in the charging aperture 10.
4, carry out the air blowback at last.
After the residual liquid emptying, the control valve 6 of high-pressure air pipe 7 is opened (control valve 6 of other pipelines is closed), and high pressure gas enters filter chamber blowback filter cake, the moisture content of further air-dry filter cake, and the moisture content of filter cake is fallen in solution to greatest extent.
After the filter-pressing process flow process finished, piston rod 12 rollbacks of roof pressure oil cylinder 4 were removed the thrust to filter plate 3, and monolithic progressively draws back filter plate 3, opened wide filter chamber removal filter cake respectively.

Claims (3)

1. energy-saving membrane pressure filter, comprise thrust plate (1), pressure strip (2), filter plate (3) and roof pressure oil cylinder (4), described thrust plate (1) is relative with pressure strip (2) and put, pressure strip (2) is connected on the piston rod (12) of roof pressure oil cylinder (4), described filter plate (3) order is arranged and is pressed between thrust plate (1) and the pressure strip (2), clip filter cloth between filter plate (3) and the filter plate (3) and form filter chamber, also be provided with elastic membrane between filter plate (3) and the filter cloth, offer the charging aperture (10) that is communicated with each filter chamber on the described thrust plate (1), the external slurry pump line (5) that has control valve (6) of described charging aperture (10), also offer the dehydrated mouth (11) that feeds between filter plate (3) and the elastic membrane on the thrust plate (1), the external high-pressure medium pump line that has control valve (6) of described dehydrated mouth (11), it is characterized in that: locate in charging aperture (10), the high-pressure air pipe (7) and the blow-off pipe (8) that have control valve (6) insert slurry pump line (5), by advancing slurry dehydration---the filter-pressing process flow process of extrusion dehydration---emptying remains liquid---air blowback, described slurry pump line (5), the high-pressure medium pump line, the control valve (6) of blow-off pipe (8) and high-pressure air pipe (7) is opened separately respectively.
2. energy-saving membrane pressure filter according to claim 1 is characterized in that: connect slurry pump line (5), charging aperture (10), high-pressure air pipe (7) and blow-off pipe (8) with four-way union (9).
3. energy-saving membrane pressure filter according to claim 1 and 2, it is characterized in that: corresponding to the slurry pump line (5) of ¢ 125, the coupling caliber of described high-pressure air pipe (7) is ¢ 25, and the coupling caliber of described blow-off pipe (8) is ¢ 50.
CN 201320201057 2013-04-19 2013-04-19 Energy-saving diaphragm type pressure filter Withdrawn - After Issue CN203183762U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320201057 CN203183762U (en) 2013-04-19 2013-04-19 Energy-saving diaphragm type pressure filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320201057 CN203183762U (en) 2013-04-19 2013-04-19 Energy-saving diaphragm type pressure filter

Publications (1)

Publication Number Publication Date
CN203183762U true CN203183762U (en) 2013-09-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320201057 Withdrawn - After Issue CN203183762U (en) 2013-04-19 2013-04-19 Energy-saving diaphragm type pressure filter

Country Status (1)

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CN (1) CN203183762U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223269A (en) * 2013-04-19 2013-07-31 广西新天德能源有限公司 Energy-saving diaphragm type pressure filter
CN104645684A (en) * 2015-01-27 2015-05-27 张汉桥 Multifunctional chamber type filter press
CN112156510A (en) * 2020-09-30 2021-01-01 株洲时代新材料科技股份有限公司 Automatic operation control method and system for diaphragm type filter press

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223269A (en) * 2013-04-19 2013-07-31 广西新天德能源有限公司 Energy-saving diaphragm type pressure filter
CN104645684A (en) * 2015-01-27 2015-05-27 张汉桥 Multifunctional chamber type filter press
CN112156510A (en) * 2020-09-30 2021-01-01 株洲时代新材料科技股份有限公司 Automatic operation control method and system for diaphragm type filter press

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130911

Effective date of abandoning: 20150415

RGAV Abandon patent right to avoid regrant