CN209548827U - A kind of closed fine filtering apparatus of high-quality environment protective - Google Patents

A kind of closed fine filtering apparatus of high-quality environment protective Download PDF

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Publication number
CN209548827U
CN209548827U CN201822104825.4U CN201822104825U CN209548827U CN 209548827 U CN209548827 U CN 209548827U CN 201822104825 U CN201822104825 U CN 201822104825U CN 209548827 U CN209548827 U CN 209548827U
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China
Prior art keywords
cylinder
filtering apparatus
fine filtering
filter
environment protective
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CN201822104825.4U
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Chinese (zh)
Inventor
张文娟
辛华
孟令启
张善锋
李明芹
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WENRUI MACHINERY (SHANDONG) CO Ltd
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WENRUI MACHINERY (SHANDONG) CO Ltd
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Abstract

The utility model discloses a kind of closed fine filtering apparatus of high-quality environment protective, including cylinder, filter element is provided in the cylinder.A kind of closed fine filtering apparatus of high-quality environment protective provided by the utility model, whole equipment are fully sealed, and can effectively prevent white liquor oxidation by air and heat loss, and distribute without foul smell, working environment cleaning;For the equipment using no speed reducer drive structure, Operation and Maintenance is simple, reduces energy consumption;Maintenance and repair are easy, comprehensive energy consumption is low, small investment and can adapt to modern extensive energy-saving and environment-friendly basic demand and development trend;Guarantee the filtered quality of filtrate.

Description

A kind of closed fine filtering apparatus of high-quality environment protective
Technical field
The utility model relates to a kind of closed fine filtering apparatus of high-quality environment protective, belong to filter plant technology neck Domain.
Background technique
Currently, resource, energy consumption and environmental protection are several main problems that world's paper industry and every profession and trade are faced, high-quality Production and equipment be every profession and trade pay high attention to and research important topic.
The generally existing disadvantage of the prior art is that solid content is higher after filtering, i.e. poor filtration effect, after filtering Filtrate in solid content it is big, generally 100-150ppm also can only achieve individually 80ppm, and device structure is more complex, Cost is high;Transmission system generates larger energy consumption;Production capacity is small, and production efficiency is relatively low.
Since filtrate solid content is high after filtering, cause part solid content that can not filter outlet, liquid influences the product of filtrate Grade, all has a direct impact subsequent technique, such as washing of white clay green mud, the boiling of material, green liquor quality.The wastewater flow rate phase of discharge Should be also more, cause that environmental pollution is serious.
In addition, modern production has had the essential characteristic of technology-intensive, intensive capital, energy intensive and scale large size, There are production technology complexity, comprehensive energy consumption is high, raw material availability is low, pollutional load is heavy, three-protection design is difficult and construction investment is big etc. Problem.
Energy-saving and environment-friendly production equipment has become every profession and trade problem in the urgent need to address, the fine filtering of high-quality environment protective Equipment have it is with low investment, filter efficiency is high, comprehensive energy consumption is low and advantages of environment protection, be novel high-quality filter plant.
Currently, traditional filter plant is open solid-liquid filtration separation equipment, structure is relative complex, equipment operation energy consumption Excessively high, filtrate solid content is high, and equipment is not convenient for safeguarding, and maintenance time of breaking down is long, influences consecutive production.Equipment is to open Formula is put, the gases such as sulfide are excessive, pollute environment.
Utility model content
The technical problems to be solved in the utility model is against the above deficiency, to provide a kind of closed essence of high-quality environment protective Thin filter plant, whole equipment are fully sealed, and can effectively prevent white liquor oxidation by air and heat loss, and distribute without foul smell, Working environment cleaning;For the equipment using no speed reducer drive structure, Operation and Maintenance is simple, reduces energy consumption;Maintenance and repair are easy, it is comprehensive Close that low energy consumption, small investment and can adapt to modern extensive energy-saving and environment-friendly basic demand and development trend;Guarantee filtrate filtering Quality afterwards.
In order to solve the above technical problems, the utility model uses following technical scheme: a kind of high-quality environment protective it is closed Fine filtering apparatus, including cylinder are provided with filter element in the cylinder.
A kind of prioritization scheme is provided with distribution grid in the cylinder, and cylinder is divided into upper chamber and cavity of resorption by the distribution grid Room, when work, the pressure of the lower chambers is higher than the pressure of lower chambers, since upper and lower cavity pressure is differently formed chamber pressure difference, chamber pressure difference Power as media filtration.
Further, it is provided with filter element below the distribution grid, the filter element includes multiple chimney filters, the filter Several sieve pores are distributed on pipe;Filter ruffle is arranged on the chimney filter.
Further, the material selection polypropylene of the filter ruffle.
Further, the distribution grid includes pressing plate and tube sheet, and pressing plate is arranged in the top of tube sheet, is arranged on the tube sheet Multiple tubesheet holes, the filter element are fixed in the tubesheet holes on tube sheet, are compressed with pressing plate and Stud connection part.
Further, the cylinder is a vertical pressure vessel, is dished (torispherical) head at the top of cylinder and bottom is taper End socket.
Further, the top cover of the cylinder is sealed construction.
Further, the pressing plate is imitative rectangle structure.
The utility model after the above technical solution is adopted, compared with prior art, has the advantage that
The utility model provides a kind of closed fine filtering apparatus of high-quality environment protective, and whole equipment is fully sealed, can It is effectively prevent white liquor oxidation by air and heat loss, and is distributed without foul smell, working environment cleaning;The equipment is using no speed reducer Drive mechanism, Operation and Maintenance is simple, reduces energy consumption;Maintenance and repair are easy, comprehensive energy consumption is low, small investment and can adapt to modern big The energy-saving and environment-friendly basic demand of scale and development trend;Guarantee the filtered quality of filtrate.
1, pressure vessel, upper end use cone structure using butterfly end socket lower end, and whole equipment is fully sealed;It effectively prevent White liquor is by dioxygen oxidation in air, in order to avoid reduce active alkali concentration and sulphidity.
2, it is effectively prevent white liquor heat loss, and is distributed without foul smell, working environment cleaning.
3, without speed reducer drive structure, Operation and Maintenance is simple, reduces energy consumption;
4, with low investment:
4.1) device structure is compact, at low cost, occupied area is small;
4.2) without speed reducer drive structure;
5, the function of differential filter is realized using the positive pressure of feeding pump.White liquor is pumped into white liquor fine filter from inlet Bottom, positive pressure make pure liquid enter filter top by filter ruffle, and overflow to white liquor storagetank, the white clay in white liquor The surface of filter ruffle is retained in when passing through filter ruffle, when white liquor fine filter filter ruffle inside and outside differential pressure is greater than recoil setting pressure difference When, carry out back flush;When pressure difference reaches pickling setting pressure difference, carrying out washing and pickling makes filter-cloth filtering ability recovery.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of filter element;
Fig. 3 is the enlarged drawing of M in Fig. 2;
In figure,
1- cylinder, 2- distribution grid, 3- filter element, 4- pressing plate, 5- tube sheet, 6- chimney filter, 7- filter ruffle, 8- Stud connection part.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention Specific embodiment of the present utility model.
A kind of closed fine filtering apparatus of the high-quality environment protective of embodiment 1
As shown in Figure 1-3, the utility model provides a kind of closed fine filtering apparatus of high-quality environment protective, including cylinder 1, it is provided with distribution grid 2 in the cylinder 1, cylinder 1 is divided into upper chamber and lower chambers by the distribution grid 2, when work, under described The pressure of chamber is higher than the pressure of lower chambers, and since upper and lower cavity pressure is differently formed chamber pressure difference, chamber pressure difference is as the dynamic of media filtration Power.
Filter element 3 is provided with below the distribution grid 2.The filter element 3 includes multiple chimney filters 6, on the chimney filter 6 Several sieve pores are distributed with.Filter ruffle 7, the material selection polypropylene of the filter ruffle 7 are arranged on the chimney filter 6.Preferably, this is practical It is novel to have used 304 chimney filters 6.
The distribution grid 2 includes pressing plate 4 and tube sheet 5, and the top of tube sheet 5 is arranged in pressing plate 4.It is arranged on the tube sheet 5 more A tubesheet holes, the filter element 3 are fixed in the tubesheet holes on tube sheet 5, are compressed with pressing plate 4 and Stud connection part 8.
The cylinder 1 is a vertical pressure vessel, and the top of cylinder 1 is dished (torispherical) head, and bottom is conical head.
To realize the solid content that is effectively reduced in filtrate, mainly from tubesheet holes away from arrangement, filter bag Air permenbility it is determining, Several aspect researchs such as pressing plate size arrangement, mud layer removing and sedimentation are started with, and a kind of high-efficiency environment friendly is provided, with it is with low investment, Strainability is high, comprehensive energy consumption is low and the novel high-quality filter plant of advantages of environment protection.
Cylinder: cylinder is a vertical pressure vessel, is dished (torispherical) head at the top of cylinder, bottom is conical head.In cylinder Between have a distribution grid, cylinder is divided into two chambers up and down, cylinder cavity of resorption chamber pressure is higher than upper chamber, upper and lower cavity pressure difference when work Power as media filtration.
Filter element: filter element is made of 304 chimney filters and filter ruffle.Chimney filter is the elongated steel pipe for being covered with sieve pore, filter ruffle It covers except chimney filter, material is polypropylene, and filter element is fixed on the tube sheet among inner barrel, with pressing plate and Stud connection Part compresses.
Embodiment 2, as shown in Fig. 2, to realize the solid content that is effectively reduced in filtrate, mainly from tubesheet holes away from cloth Set, several aspect researchs such as filter bag Air permenbility is determining, pressing plate size arrangement, mud layer removing and sedimentation are started with, provide a kind of efficient Environmental protection, with low investment, strainability is high, comprehensive energy consumption is low and the novel high-quality filter plant of advantages of environment protection.
It is further improvement of the utility model below: the selection reasonable Air permenbility of filter bag.Reality through overtesting and production Border detection, determines that Air permenbility ensures strainability.
It is further improved: optimization chimney filter structure.Realize the filtering high-quality characteristic of chimney filter.
It is further improved: removing original transmission system.Former transmission system includes the portions such as motor, speed reducer, mechanical seal Part.This equipment does not need transmission system.
It is further improved: optimization barrel designs: top cover open architecture being changed to sealed.
Be further improved: tube plate structure adjust tubesheet dimension, optimization tubesheet holes away from.
Be further improved: pressure plate structure, pressure plate structure are changed to imitative rectangle structure by original sector, just with production, peace Dress, maintenance.
The utility model provides a kind of closed fine filtering apparatus of high-quality environment protective, and whole equipment is fully sealed, can It is effectively prevent white liquor oxidation by air and heat loss, and is distributed without foul smell, working environment cleaning;The equipment is using no speed reducer Drive mechanism, Operation and Maintenance is simple, reduces energy consumption;Maintenance and repair are easy, comprehensive energy consumption is low, small investment and can adapt to modern big The energy-saving and environment-friendly basic demand of scale and development trend;Guarantee the filtered quality of filtrate.
Specifically,
1, pressure vessel, upper end use cone structure using butterfly end socket lower end, and whole equipment is fully sealed;It effectively prevent White liquor is by dioxygen oxidation in air, in order to avoid reduce active alkali concentration and sulphidity.
2, it is effectively prevent white liquor heat loss, and is distributed without foul smell, working environment cleaning.
3, without speed reducer drive structure, Operation and Maintenance is simple, reduces energy consumption;
4, with low investment:
4.1) device structure is compact, at low cost, occupied area is small;
4.2) without speed reducer drive structure;
5, the function of differential filter is realized using the positive pressure of feeding pump.White liquor is pumped into white liquor fine filter from inlet Bottom, positive pressure make pure liquid enter filter top by filter ruffle, and overflow to white liquor storagetank, the white clay in white liquor The surface of filter ruffle is retained in when passing through filter ruffle, when white liquor fine filter filter ruffle inside and outside differential pressure is greater than recoil setting pressure difference When, carry out back flush;When pressure difference reaches pickling setting pressure difference, carrying out washing and pickling makes filter-cloth filtering ability recovery.
The above is the citing of the utility model preferred forms, wherein the part that do not address in detail is this field The common knowledge of those of ordinary skill.The protection scope of the utility model is based on the contents of the claims, any to be based on this reality The equivalent transformation carried out with novel technical inspiration, is also within the protection scope of the utility model.

Claims (7)

1. a kind of closed fine filtering apparatus of high-quality environment protective, it is characterised in that: including cylinder (1), in the cylinder (1) It is provided with filter element (3);It is provided with distribution grid (2) in the cylinder (1), cylinder (1) is divided into epicoele by the distribution grid (2) Room and lower chambers, when work, the pressure of the lower chambers is higher than the pressure of lower chambers, since upper and lower cavity pressure is differently formed chamber pressure Difference, power of the chamber pressure difference as media filtration.
2. a kind of closed fine filtering apparatus of high-quality environment protective as described in claim 1, it is characterised in that: the distribution It is provided with filter element (3) below plate (2), the filter element (3) includes multiple chimney filters (6), is distributed on the chimney filter (6) Several sieve pores;Filter ruffle (7) are arranged on the chimney filter (6).
3. a kind of closed fine filtering apparatus of high-quality environment protective as claimed in claim 2, it is characterised in that: the filter ruffle (7) material selection polypropylene.
4. a kind of closed fine filtering apparatus of high-quality environment protective as claimed in claim 2, it is characterised in that: the distribution Plate (2) includes pressing plate (4) and tube sheet (5), and multiple pipes are arranged on the top of tube sheet (5), the tube sheet (5) in pressing plate (4) setting Plate hole, the filter element (3) are fixed in the tubesheet holes on tube sheet (5), are compressed with pressing plate (4) and Stud connection part (8).
5. a kind of closed fine filtering apparatus of high-quality environment protective as described in claim 1, it is characterised in that: the cylinder (1) it is a vertical pressure vessel, is dished (torispherical) head at the top of cylinder (1) and bottom is conical head.
6. a kind of closed fine filtering apparatus of high-quality environment protective as described in claim 1, it is characterised in that: the cylinder (1) top cover is sealed construction.
7. a kind of closed fine filtering apparatus of high-quality environment protective as claimed in claim 4, it is characterised in that: the pressing plate It (4) is imitative rectangle structure.
CN201822104825.4U 2018-12-14 2018-12-14 A kind of closed fine filtering apparatus of high-quality environment protective Active CN209548827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822104825.4U CN209548827U (en) 2018-12-14 2018-12-14 A kind of closed fine filtering apparatus of high-quality environment protective

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822104825.4U CN209548827U (en) 2018-12-14 2018-12-14 A kind of closed fine filtering apparatus of high-quality environment protective

Publications (1)

Publication Number Publication Date
CN209548827U true CN209548827U (en) 2019-10-29

Family

ID=68302266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822104825.4U Active CN209548827U (en) 2018-12-14 2018-12-14 A kind of closed fine filtering apparatus of high-quality environment protective

Country Status (1)

Country Link
CN (1) CN209548827U (en)

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