CN209974584U - Filter plate group of ultrahigh pressure filter press - Google Patents
Filter plate group of ultrahigh pressure filter press Download PDFInfo
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- CN209974584U CN209974584U CN201920813869.6U CN201920813869U CN209974584U CN 209974584 U CN209974584 U CN 209974584U CN 201920813869 U CN201920813869 U CN 201920813869U CN 209974584 U CN209974584 U CN 209974584U
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Abstract
The utility model discloses a superhigh pressure filter-press filter plate group, including the drainage board, be provided with one deck tympanic membrane board between two drainage boards, all be provided with the oil film elastomer on the bulkhead of tympanic membrane board both sides, tip at the tympanic membrane board is provided with the business turn over oil duct, business turn over oil duct communicates with the oil film elastomer of tympanic membrane board both sides respectively, be provided with into mud passageway on the drainage board, still be provided with the filter cloth between drainage board and the tympanic membrane board, the drainage board, the filter cloth, the both ends fixed connection of tympanic membrane board, the drainage board one end of keeping away from into mud passageway is provided with exhalant canal, the space that encloses between drainage board and the filter cloth constitutes the filtration chamber, the space that encloses between filter cloth and the oil film elastomer constitutes the pressure filtration chamber, advance mud passageway and pressure filtration chamber intercommunication, filtration chamber and exhalant canal intercommunication. The utility model discloses can bear 20 MPa's pressure, add chemical conditioner or not adding under the condition of chemical conditioner less, enable mud moisture content after the filter-pressing and reach 50% even below 40%, and running cost is cheap.
Description
Technical Field
The utility model relates to a filter plate group of an ultrahigh pressure filter press, in particular to a filter press filter plate group for treating sludge difficult to dewater.
Background
In the field of solid-liquid separation, particularly in the field of dehydration and drying of sludge difficult to dehydrate represented by municipal sludge, a membrane filter press made of plastic plates is generally adopted for dehydration and drying, the process is that the primary sludge with the water content of about 98% is subjected to chemical conditioning and then enters the filter press for dehydration and drying, the filter press generally injects water into a membrane with the high pressure of 0.8 ~ 1.6.6 MPa, the membrane swells, a sludge cavity becomes small, and water in the sludge is extruded and discharged, but the water pressure cannot be too high due to the strength limitation of the plastic material of the filter plate, so that the amount of the water filtered by pressing is limited, the water content of the general sludge after the chemical conditioning is still about 70%, the national requirement on the water content of the sludge being less than 60% is not met, if the chemical conditioning agent amount is increased, the operation cost is very high, and the environment is polluted.
Disclosure of Invention
In order to solve the problem, the utility model provides an ultrahigh pressure filter-press filter plate group can bear 20 MPa's pressure, under the condition that adds chemical conditioner or does not add chemical conditioner less, enables mud moisture content after the filter-pressing and reaches 50% even below 40%, and running cost is cheap.
The utility model discloses a following technical scheme realizes:
the utility model provides an ultrahigh pressure filter-press filter plate group, including the drainage board, be provided with one deck tympanic membrane board between two drainage boards, all be provided with the oil film elastomer on the plate wall of tympanic membrane board both sides, the tip at the tympanic membrane board is provided with the business turn over oil passageway, the business turn over oil passageway communicates with the oil film elastomer of tympanic membrane board both sides respectively, be provided with into mud passageway on the drainage board, still be provided with the filter cloth between drainage board and the tympanic membrane board, the drainage board, the filter cloth, the both ends fixed connection of tympanic membrane board, the drainage board one end of keeping away from into mud passageway is provided with the exhalant canal, the space that encloses between drainage board and the filter cloth constitutes the filtration chamber, the space that encloses between filter cloth and the oil film elastomer constitutes the pressure filtration chamber, it communicates with the filtration chamber to advance mud.
Above-mentioned superhigh pressure filter-press filter plate group, still be provided with the porous disk between filter cloth and the porous disk, the filter cloth is laid on the porous disk, advances the mud passageway and passes through communicating pipe and filter-pressing chamber passageway intercommunication, and communicating pipe wears filtering water chamber, porous disk and filter cloth in proper order and communicates the filter-pressing intracavity.
Above-mentioned superhigh pressure filter filtering plate group, the tympanic membrane board sets up two at least, and the drainage board at both ends is the end drainage board, and middle drainage board is middle part drainage board, and two adjacent tympanic membrane boards share a middle part drainage board, and the mud passageway of advancing in the middle part drainage board communicates with the filter-pressing chamber of both sides respectively through the three-way pipe, and the end drainage board at both ends communicates through two-way pipe and filter-pressing chamber.
The utility model has the advantages that:
(1) because the ultrahigh pressure filter pressing is adopted, the raw sludge can be subjected to no chemical conditioning or much less chemical conditioning agent than that of a common membrane filter press before the filter pressing, the cost of sludge dewatering and drying is greatly saved, and the speed of the filter pressing process is much higher than that of the common membrane press.
(2) The purpose that the middle of the 2 oil film elastic bodies 10 is separated by the steel plate integrated with the water filter plate is that when the pressure of the two adjacent filter pressing cavities is unbalanced, the unbalanced force is borne by the steel plate, the oil film cannot be deviated, and the two filter pressing cavities are ensured to have the same thickness
(3) The utility model discloses be particularly suitable for organic matter content such as municipal sludge high, the mud that the dehydration degree of difficulty is big, under the general condition, the moisture content reduces one to the twice than ordinary diaphragm machine.
The utility model discloses can bear 20 MPa's pressure, add chemical conditioner or not adding under the condition of chemical conditioner less, enable mud moisture content after the filter-pressing and reach 50% even below 40%, and running cost is cheap.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the middle water filtering plate structure of the present invention.
Fig. 3 is a schematic structural view of the water filtering plates on two sides of the present invention.
Fig. 4 is a schematic diagram of the tympanic membrane structure of the present invention.
Fig. 5 is a schematic view illustrating the structure of the oil film elastomer of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-5, a filter plate group of an ultrahigh pressure filter press comprises filter plates, a layer of membrane-bulging plate 2 is arranged between the two filter plates, oil film elastic bodies 10 are arranged on the plate walls of the two sides of the membrane-bulging plate, the oil film elastic bodies are bags made of elastic materials, and under the condition that the peripheries of the bags are provided with coatings, when hydraulic oil with the pressure of 20MPa is filled into the bags, the bags are not damaged, the oil resistance is good, and the volume can be expanded to 3 times of the original volume. The filter comprises a tympanic membrane plate, a mud inlet channel and a mud outlet channel, wherein an oil inlet channel and an oil outlet channel are arranged at the end part of the tympanic membrane plate, the oil inlet channel and the oil outlet channel are respectively communicated with oil film elastomers at two sides of the tympanic membrane plate, a mud inlet channel 5 is arranged on the water filter plate, filter cloth 3 is arranged between the water filter plate and the tympanic membrane plate, the water filter plate, the filter cloth and two ends of the tympanic membrane plate are fixedly connected, one end of the water filter plate far away from the mud inlet channel is provided with a water outlet channel 7, a space enclosed between the water filter plate and the filter cloth forms a filter cavity, a space enclosed between the filter cloth and the oil film elastomers forms a filter pressing cavity 8, the filter cavity and the.
The eardrum plate sets up two at least, and the drainage board at both ends is the end drainage board 1, and middle drainage board is middle part drainage board 4, and two adjacent drum membrane boards share a middle part drainage board, and the mud passageway of advancing in the middle part drainage board communicates with the filter-pressing chamber of both sides respectively through the three-way pipe, and the end drainage board at both ends communicates with the filter-pressing chamber through the two-way pipe.
As shown in figure 1, two tympanic membrane plates are arranged, the two tympanic membrane plates share a middle water filtering plate, and a sludge inlet channel in the middle water filtering plate is respectively communicated with the filter pressing cavities on two sides through a three-way pipe. The water filtering plates at the two ends are end water filtering plates, and the mud inlet channel is communicated with the filter pressing cavity at one side through two channels.
Still be provided with the porous disk between filter cloth and the drainage board, the filter cloth is laid on the porous disk, advances the mud passageway and passes through communicating pipe and filter-pressing chamber passageway intercommunication, and communicating pipe wears filtering water chamber, porous disk and filter cloth in proper order and communicates the filter-pressing intracavity.
The utility model discloses a working process:
will the utility model discloses after being arranged and compressing tightly each other on the pressure filter, filter chamber and filter-pressing chamber are sealed cavity, and the system is to each middle part drainage plate 4 and end drainage plate 1 mud of beating into, along with filter-pressing chamber 8 is filled up and is produced pressure, and moisture in the mud passes through the filtration of filter cloth, and rethread porous disk 9 collects exhalant canal 7 and discharge pressure filter. And (4) as the mud pressure is higher and higher, when mud can not be fed again by the mud feeding pressure of the system, the mud feeding process is finished.
The next step is high pressure pressing: and (3) closing the sludge inlet, filling hydraulic oil into the tympanic membrane plate 2 by the system, enabling the hydraulic oil to enter the oil film elastic body 10, enabling the oil film elastic body 10 to start to expand, further reducing the volume of sludge in the filter pressing cavity 8, and discharging water in the sludge out of the filter press through the permeable plate 9 and the water outlet channel 7 after being squeezed and filtered by the filter cloth 3. Until the oil pressure reaches the maximum set value and the water can not be filtered.
And finally, the filter pressing cavity 8 is reduced, and the solid part of the sludge is completely remained, so that the sludge dewatering and drying process is completed.
It should be noted that:
(1) because the ultrahigh pressure filter pressing is adopted, the raw sludge can be subjected to no chemical conditioning or much less chemical conditioning agent than that of a common membrane filter press before the filter pressing, the cost of sludge dewatering and drying is greatly saved, and the speed of the filter pressing process is much higher than that of the common membrane press.
(2) The purpose that the middle of the 2 oil film elastic bodies 10 is separated by the steel plate integrated with the water filter plate is that when the pressure of the two adjacent filter pressing cavities is unbalanced, the unbalanced force is borne by the steel plate, the oil film cannot be deviated, and the two filter pressing cavities are ensured to have the same thickness
(3) The utility model discloses be particularly suitable for organic matter content such as municipal sludge high, the mud that the dehydration degree of difficulty is big, under the general condition, the moisture content reduces one to the twice than ordinary diaphragm machine.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (3)
1. The utility model provides an ultrahigh pressure filter press filter plate group, includes the filter plate, its characterized in that: the filter comprises two filter plates, wherein a membrane-bulging plate is arranged between the two filter plates, oil film elastomers are arranged on the plate walls of two sides of the membrane-bulging plate, an oil inlet and outlet channel is arranged at the end part of the membrane-bulging plate and is respectively communicated with the oil film elastomers of two sides of the membrane-bulging plate, a sludge inlet channel is arranged on each filter plate, filter cloth is also arranged between each filter plate and the membrane-bulging plate, the filter plates, the filter cloth and the two ends of the membrane-bulging plate are fixedly connected, one end of each filter plate, far away from the sludge inlet channel, is provided with a water outlet channel, a space enclosed between each filter plate and the filter cloth forms a filter cavity, a space enclosed between each filter cloth and the oil film elastomer forms a filter pressing cavity, the.
2. The collection of ultra high pressure filter plates of claim 1, wherein: still be provided with the porous disk between filter cloth and the drainage board, the filter cloth is laid on the porous disk, advances the mud passageway and passes through communicating pipe and filter-pressing chamber passageway intercommunication, and communicating pipe wears filtering water chamber, porous disk and filter cloth in proper order and communicates the filter-pressing intracavity.
3. The set of ultra high pressure filter plates of claim 1 or 2, wherein: the eardrum plates are at least two, the water filtering plates at the two ends are end water filtering plates, the middle water filtering plate is a middle water filtering plate, two adjacent eardrum plates share one middle water filtering plate, a mud inlet channel in the middle water filtering plate is respectively communicated with the filter pressing cavities at the two sides through a three-way pipe, and the end water filtering plates at the two ends are communicated with the filter pressing cavities through a two-way pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920813869.6U CN209974584U (en) | 2019-05-31 | 2019-05-31 | Filter plate group of ultrahigh pressure filter press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920813869.6U CN209974584U (en) | 2019-05-31 | 2019-05-31 | Filter plate group of ultrahigh pressure filter press |
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| CN209974584U true CN209974584U (en) | 2020-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069802A (en) * | 2021-04-26 | 2021-07-06 | 重庆派斯克刀具制造股份有限公司 | Grinding fluid filters slag discharging device |
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2019
- 2019-05-31 CN CN201920813869.6U patent/CN209974584U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069802A (en) * | 2021-04-26 | 2021-07-06 | 重庆派斯克刀具制造股份有限公司 | Grinding fluid filters slag discharging device |
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