CN110787501A - Method for increasing filter pressing efficiency and effect of filter press - Google Patents
Method for increasing filter pressing efficiency and effect of filter press Download PDFInfo
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- CN110787501A CN110787501A CN201810876600.2A CN201810876600A CN110787501A CN 110787501 A CN110787501 A CN 110787501A CN 201810876600 A CN201810876600 A CN 201810876600A CN 110787501 A CN110787501 A CN 110787501A
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- filter
- plate
- air compressor
- chamber
- press
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a method for increasing the filter pressing efficiency and effect of a filter press, which comprises the following steps: the water inlet of the filter press is connected with an air compressor by an air pipe; opening the oil cylinder of the filter press, and pressing all the filter plates between the movable head plate and the fixed tail plate to form a filter chamber between the adjacent filter plates, wherein the periphery of the filter chamber is sealed; the feed liquid to be filtered enters each filter chamber from a feed hole at the end of the pressing top plate under certain pressure through a feed delivery pump, and solid substances are intercepted in the filter chambers through filter cloth and gradually form filter cakes; the method comprises the steps of opening the air compressor, continuously injecting air into the sealed filter chamber by the air compressor, increasing the pressure in the sealed filter chamber, and squeezing more water in the filter cake.
Description
Technical Field
The invention relates to the technical field of industrial wastewater treatment, in particular to a method for improving the filter pressing efficiency and effect of a filter press.
Background
In daily industrial production, the treatment of three wastes is a problem which must be paid attention. The treatment of waste water is a more critical section in the treatment of three wastes.
The general filter press has an operating principle that slurry is pressed into a closed filter chamber formed by two adjacent filter plates by a pressure pump, so that pressure difference is formed between two sides of filter cloth, and solid-liquid separation is realized.
Disclosure of Invention
The invention aims to provide a method for increasing the filter pressing efficiency and effect of a filter press, wherein an air compressor is connected to the top of the filter press, when the filter press starts to work, the air compressor is opened at the same time, and the air compressor continuously injects air into a closed filter chamber, so that the pressure in the closed filter chamber is increased, and more water in a filter cake is squeezed out.
In order to achieve the purpose, the invention provides the following technical scheme: a method for increasing the filter pressing efficiency and effect of a filter press comprises the following steps:
the method comprises the following steps: the water inlet of the filter press is connected with an air compressor by an air pipe;
step two: opening the oil cylinder of the filter press, and pressing all the filter plates between the movable head plate and the fixed tail plate to form a filter chamber between the adjacent filter plates, wherein the periphery of the filter chamber is sealed;
step three: the feed liquid to be filtered enters each filter chamber from a feed hole at the end of the pressing top plate under certain pressure through a feed delivery pump, and solid substances are intercepted in the filter chambers through filter cloth and gradually form filter cakes;
step four: opening an air compressor, and continuously injecting air into the closed filter chamber by the air compressor to increase the pressure in the closed filter chamber so as to squeeze more water in the filter cake;
step five: and (4) closing the air compressor, opening the plate frame, discharging the filter cake, cleaning the filter cloth, restarting assembling and carrying out the next cycle.
Preferably, filter press includes support, activity first board, fixed tailboard, feed inlet, water inlet, filter plate, inhalant canal and outlet in step one, the fixed tailboard that is provided with of support one end, the activity of the support other end is provided with the activity first board, be provided with a plurality of filter plates between activity first board and the fixed tailboard, the support is located the fixed tailboard one end of installation and is provided with the feed inlet, the feed inlet links to each other with fixed tailboard, activity first board, fixed tailboard and filter plate upper end all are provided with inhalant canal, the water inlet links to each other with inhalant canal, the filter plate bottom is provided with a plurality of outlets.
Preferably, four sides of the filter chamber in the second step are sealed, the upper end of the filter plate is provided with a plurality of water inlet channels communicated with the filter chamber, and the lower end of the filter plate is provided with a plurality of water outlets.
Preferably, in the first step, the water inlet is connected with one end of the water inlet channel, which is far away from the connecting filter plate.
Preferably, the specification of the air press in the step one is matched with the specification direction of the filter press.
Compared with the prior art, the invention has the beneficial effects that:
connect the air compressor machine on the top of pressure filter, when the pressure filter started working, open the air compressor machine simultaneously, the air compressor machine is continuous to inject the air into airtight straining chamber for pressure in the airtight straining chamber increases, makes more the being squeezed out of moisture in the filter cake, and the experiment reachs, and this way of increasing the air compressor machine has reduced the water content of filter cake to 45% from 80%, reforms transform on traditional pressure filter, greatly increased the filter-pressing efficiency of pressure filter, improved sewage treatment's efficiency.
Drawings
Figure 1 is a schematic diagram of a filter press.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a method for increasing the filter pressing efficiency and effect of a filter press comprises the following steps:
the method comprises the following steps: the water inlet of the filter press is connected with an air compressor by an air pipe;
step two: opening the oil cylinder of the filter press, and pressing all the filter plates between the movable head plate and the fixed tail plate to form a filter chamber between the adjacent filter plates, wherein the periphery of the filter chamber is sealed;
step three: the feed liquid to be filtered enters each filter chamber from a feed hole at the end of the pressing top plate under certain pressure through a feed delivery pump, and solid substances are intercepted in the filter chambers through filter cloth and gradually form filter cakes;
step four: opening an air compressor, and continuously injecting air into the closed filter chamber by the air compressor to increase the pressure in the closed filter chamber so as to squeeze more water in the filter cake;
step five: and (4) closing the air compressor, opening the plate frame, discharging the filter cake, cleaning the filter cloth, restarting assembling and carrying out the next cycle.
The filter press 1 in the first step comprises a support 11, a movable head plate 12, a fixed tail plate 13, a feed inlet 14, a water inlet 15, filter plates 16, a water inlet channel 17 and water outlets 18, wherein the fixed tail plate 13 is fixedly arranged at one end of the support 11, the movable head plate 12 is movably arranged at the other end of the support 11, the filter plates 16 are arranged between the movable head plate 12 and the fixed tail plate 13, the feed inlet 14 is formed in one end, located at the fixed tail plate 13, of the support 11, the feed inlet 14 is connected with the fixed tail plate 13, the water inlet channel 17 is formed in the upper ends of the movable head plate 12, the fixed tail plate 13 and the filter plates 16, the water inlet 15 is connected with the water inlet channel 17.
The method comprises the following steps that an air compressor is connected to the top of the filter press, when the filter press starts to work, the air compressor is opened at the same time, the air compressor continuously injects air into the sealed filter chamber, so that the pressure in the sealed filter chamber is increased, more water in a filter cake is squeezed out, and experiments show that the water content of the filter cake is reduced to 45% from 80% by increasing the air compressor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The method for improving the filter pressing efficiency and effect of the filter press is characterized in that: the method comprises the following steps:
the method comprises the following steps: the water inlet of the filter press is connected with an air compressor by an air pipe;
step two: opening the oil cylinder of the filter press, and pressing all the filter plates between the movable head plate and the fixed tail plate to form a filter chamber between the adjacent filter plates, wherein the periphery of the filter chamber is sealed;
step three: the feed liquid to be filtered enters each filter chamber from a feed hole at the end of the pressing top plate under certain pressure through a feed delivery pump, and solid substances are intercepted in the filter chambers through filter cloth and gradually form filter cakes;
step four: opening an air compressor, and continuously injecting air into the closed filter chamber by the air compressor to increase the pressure in the closed filter chamber so as to squeeze more water in the filter cake;
step five: and (4) closing the air compressor, opening the plate frame, discharging the filter cake, cleaning the filter cloth, restarting assembling and carrying out the next cycle.
2. The method for increasing the filter pressing efficiency and effect of a filter press according to claim 1, wherein: the filter-pressing machine includes support, activity head board, fixed tailboard, feed inlet, water inlet, filter plate, inhalant canal and outlet in step one, the fixed tailboard that is provided with of support one end, the activity of the support other end is provided with the activity head board, be provided with a plurality of filter plates between activity head board and the fixed tailboard, the support is located the fixed tailboard one end of installation and is provided with the feed inlet, the feed inlet links to each other with fixed tailboard, activity head board, fixed tailboard and filter plate upper end all are provided with inhalant canal, the water inlet links to each other with inhalant canal, the filter plate bottom is provided with a plurality of outlets.
3. The method for increasing the filter pressing efficiency and effect of a filter press according to claim 1, wherein: in the second step, four sides of the filter chamber are sealed, the upper end of the filter plate is provided with a plurality of water inlet channels communicated with the filter chamber, and the lower end of the filter plate is provided with a plurality of water outlets.
4. The method for increasing the filter pressing efficiency and effect of a filter press according to claim 1, wherein: and in the first step, the water inlet is connected with one end of the water inlet channel, which is far away from the connecting filter plate.
5. The method for increasing the filter pressing efficiency and effect of a filter press according to claim 1, wherein: in the first step, the specification of the air press is matched with the specification direction of the filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876600.2A CN110787501A (en) | 2018-08-03 | 2018-08-03 | Method for increasing filter pressing efficiency and effect of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876600.2A CN110787501A (en) | 2018-08-03 | 2018-08-03 | Method for increasing filter pressing efficiency and effect of filter press |
Publications (1)
| Publication Number | Publication Date |
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| CN110787501A true CN110787501A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810876600.2A Pending CN110787501A (en) | 2018-08-03 | 2018-08-03 | Method for increasing filter pressing efficiency and effect of filter press |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202379863U (en) * | 2011-12-22 | 2012-08-15 | 四川四通欧美环境工程有限公司 | Full-automatic high-pressure membrane filtering-pressing system used for concentrating sludge |
| CN103055560A (en) * | 2013-01-28 | 2013-04-24 | 仇立志 | All-round filter press |
| CN204342639U (en) * | 2015-01-04 | 2015-05-20 | 成都绿源新创环保科技有限公司 | A kind of autoclave diaphragm formula plate-and-frame filter press |
| CN204434450U (en) * | 2015-01-28 | 2015-07-01 | 重庆秋之耘环保科技有限公司 | A kind of diaphragm type sheet frame sludge filter press |
| CN204841075U (en) * | 2015-06-05 | 2015-12-09 | 河南新大新材料股份有限公司 | Pneumatic washing filter pressing device |
| CN207429776U (en) * | 2017-10-27 | 2018-06-01 | 江西福尔鑫医药化工有限公司 | A kind of plate and frame filter press |
-
2018
- 2018-08-03 CN CN201810876600.2A patent/CN110787501A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202379863U (en) * | 2011-12-22 | 2012-08-15 | 四川四通欧美环境工程有限公司 | Full-automatic high-pressure membrane filtering-pressing system used for concentrating sludge |
| CN103055560A (en) * | 2013-01-28 | 2013-04-24 | 仇立志 | All-round filter press |
| CN204342639U (en) * | 2015-01-04 | 2015-05-20 | 成都绿源新创环保科技有限公司 | A kind of autoclave diaphragm formula plate-and-frame filter press |
| CN204434450U (en) * | 2015-01-28 | 2015-07-01 | 重庆秋之耘环保科技有限公司 | A kind of diaphragm type sheet frame sludge filter press |
| CN204841075U (en) * | 2015-06-05 | 2015-12-09 | 河南新大新材料股份有限公司 | Pneumatic washing filter pressing device |
| CN207429776U (en) * | 2017-10-27 | 2018-06-01 | 江西福尔鑫医药化工有限公司 | A kind of plate and frame filter press |
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Application publication date: 20200214 |