CN211799199U

CN211799199U - Candle type filter with filter cake layer

Info

Publication number: CN211799199U
Application number: CN201922271397.9U
Authority: CN
Inventors: 韩立勇
Original assignee: Shanghai Chievo Filtration Technology Co ltd
Current assignee: Shanghai Chievo Filtration Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-30
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a filtration equipment technical field especially relates to cake layer candle filter, solves the shortcoming that exists among the prior art, including support and fastening bolt, nut bolt fixedly connected with casing is passed through at the top of support, the casing is the cavity structure, and the fixed cone portion that is provided with in bottom of casing, and the bottom of cone portion installs the unloading valve, the inside of casing is equipped with cluster tubular filter element, through the inside collector tube of ring flange fixedly connected with on the cluster tubular filter element, the tip fixedly connected with switching device of inside collector tube, switching device's opposite side fixedly connected with goes out the liquid house steward, it is located to go out the liquid house steward outside of casing, cluster tubular filter element filter has direct filtration, precoating and filters, thick liquids are concentrated, the filter cake is retrieved, five powerful of filter cake washing, can be applicable to high impurity content, Viscous liquid, extremely high precision, high temperature and other special filtering occasions.

Description

Candle type filter with filter cake layer

Technical Field

The utility model relates to a filtration equipment technical field especially relates to filter cake layer candle filter.

Background

In the industrial production processes of petrifaction, beverage, fine chemical industry, water treatment and the like, the working procedures of decolorization, deodorization, adsorption, filter aid, activation and the like are generally required. In the production, the separation of intermediate auxiliary substances (decolorant, filter aid and the like) and mother liquor is firstly completed, and then the auxiliary substances are treated in a centralized way. If a filtration separation structure with better performance is not available, ideal filtration mother liquor cannot be obtained in the next production process. Although some mature filters can complete the filtering and washing procedures, the filtering precision is generally not met, or the operation is complex, the filtering and washing effects are poor, the subsequent treatment of residual materials is incomplete, the multi-stage treatment is realized, and the workload is overlarge.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a candle filter with a filter cake layer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

cake layer candle filter, including support and fastening bolt, nut bolt fixedly connected with casing is passed through at the top of support, the casing is the cavity structure, and the fixed cone portion that is provided with in bottom of casing, and the bottom of cone portion installs the sediment valve of unloading, the inside of casing is equipped with the cluster tubular filter element, through the inside collector tube of ring flange fixedly connected with on the cluster tubular filter element, the tip fixedly connected with switching device of inside collector tube, switching device's opposite side fixedly connected with goes out the liquid house steward, it is located to go out the liquid house steward the outside of casing.

Preferably, the top of the shell is fixedly connected with an upper end enclosure through a fastening bolt.

Preferably, the shell and the cone portion are arranged in an integrated structure.

Preferably, a viewing mirror is mounted on one side of the housing.

The utility model has the advantages that:

1. the utility model discloses the first of many internal integration cluster tubular of well equipment filters, filters impurity formation filter cake and attaches on filtering the first, when reaching certain pressure differential, behind the evacuation liquid, just blows and carries out the filter cake drying, and the filter cake is unloaded to the blowback, filters first repeatedly usable.

2. The utility model discloses well beam tube filter element filter has and is suitable for extensively, airtight operation, and is multi-functional, and filter area is big, and the pollutant carrying capacity is strong, easy blowback filter cake, the outstanding characteristics of automatic operation.

3. The utility model discloses well beam tube filter has direct filtration, filter in advance, the thick liquids are concentrated, the filter cake is retrieved, five powerful functions of filter cake washing, can be applicable to high impurity content, viscous liquid, high precision, multiple special filtration occasions such as high temperature, be particularly suitable for the pharmacy, food, the microfiltration of micron order material on the industrial production such as fine chemical industry, operation such as filter cake washing and filter cake dehydration, for example, be used for the pharmacy, the powdered activated carbon of trade such as grease, it has diatomaceous earth to do the filterable filter aid of formula of precoating, cellulose, the filtration of various catalysts such as pearlite and other superfine powder products, washing and dehydration, can all strain every batch of material, the novel beam tube filter of dehydration collection filter that the filter residue was collected.

Drawings

FIG. 1 is a front view of a candle filter with filter cake layer according to the present invention;

FIG. 2 is a side view of a cake layer candle filter according to the present invention;

fig. 3 is a top view of the cake layer candle filter provided by the utility model.

In the figure: the device comprises a support 1, a slag discharge valve 2, a cone part 3, a viewing mirror 4, a bundling tube type filter element 5, a shell 6, an internal liquid collecting tube 7, a fastening bolt 8, an upper end enclosure 9, a switching device 10 and a liquid outlet main pipe 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a cake layer candle filter comprises a support 1 and a fastening bolt 8, the top of the support 1 is fixedly connected with a shell 6 through a nut bolt, the shell 6 is a cavity structure, the bottom of the shell 6 is fixedly provided with a cone part 3, the bottom of the cone part 3 is provided with a slag discharge valve 2, the interior of the shell 6 is provided with a cluster tube type filter element 5, the cluster tube type filter element 5 is fixedly connected with an inner liquid collecting tube 7 through a flange, the end part of the inner liquid collecting tube 7 is fixedly connected with a switching device 10, the other side of the switching device 10 is fixedly connected with a liquid outlet main pipe 11, the liquid outlet main pipe 11 is positioned outside the shell 6, a plurality of cluster tube type filter elements 5 are integrated in the equipment, filter impurities formed in the filtration are attached to the filter elements, when a certain pressure difference is reached, the filter cakes are dried by positive blowing after liquid is emptied, the filter cakes are removed by, the cluster tube filter element has the outstanding characteristics of wide application, closed operation, multiple functions, large filtering area, strong dirt-containing capacity, easy back flushing of filter cakes and automatic operation, has five functions of direct filtering, precoating filtering, slurry concentration, filter cake recovery and filter cake washing, can be suitable for various special filtering occasions with high impurity content, viscous liquid, extremely high precision, high temperature and the like, is particularly suitable for the precise filtering of micron-grade materials in the industrial production of pharmacy, food, fine chemical engineering and the like, and the operations of filter cake washing, filter cake dewatering and the like, such as powdered activated carbon used in the industries of pharmacy, grease and the like, has the filtering, washing and dewatering of various catalysts such as diatomite, cellulose, perlite and the like and other ultrafine powder products as a filter aid of the precoating type filtering, can completely filter each batch of materials, dewaters and collects filter residues, the top of casing 6 is passed through fastening bolt 8 fixedly connected with upper cover 9, and casing 6 sets up with cone portion 3 structure as an organic whole, and sight glass 4 has been installed to one side of casing 6, and the atmospheric valve is installed at the top of casing 6.

In the first embodiment, when the device is used, the following two situations are available: general filtration operation:

preparation before starting → filtration of a cluster tubular filter element 5 → air pressure filtration and backflow → drying of forward blowing filter cake → filter cake removal by back blowing → filter element cleaning by back washing → filter element cleaning by forward washing; secondly, pre-coating the filter aid: preparation before starting → pre-filtering and filtering aid → circulating and refluxing of filtering agent from the inside of the filter → drying of the pre-filtering and filtering aid → filtering of the bundled tube type filter element → air filter pressing and refluxing → washing → drying of forward-blown filter cake → back-blowing and filter cake removal → back-washing and cleaning filter element → forward-washing and cleaning filter element.

Embodiment two, equipment has correspondingly set up charge-in pipeline, ejection of compact pipeline and backflow pipeline, has correspondingly installed stoste feed valve, filtrating outlet valve, feed liquid backwash valve and filtrating backwash valve on charge-in pipeline, ejection of compact pipeline and the backflow pipeline, and usable sight glass 4 observes the inside of equipment in the operation process, the operation regulation: preparing: closing all valves of the cleaned filter of the cluster tubular filter element 5: opening a stock solution feed valve, a feed solution reflux valve, a filtrate outlet valve, a filtrate reflux valve and an emptying valve at the upper part of the filter; closing an inlet valve of backwashing tap water for regeneration and a back-blowing air inlet valve (note that a jacket needs to be filled with hot water for heat preservation); secondly, starting: starting a feed pump to press the stock solution into the filter from a feed port, and immediately closing an emptying valve when the emptying pipe has liquid flowing out to indicate that the feed solution in the filter of the cluster pipe type filter element 5 is full; filtering: adjusting a feed reflux valve to control the filtration pressure, performing reflux circulation filtration on the filtrate for a certain time in a start-up period to ensure the clarity of the filtrate, and then slowly increasing the filtration pressure difference to a normal filtration pressure difference; fourthly, the bundle pipe type filtering element is filtered: after filtering for a certain time, adding the filter cake thickness of the bundled tube type filter element 5 to a certain thickness value, when the flow rate of a filtrate is reduced to a certain value or the filtering pressure difference is increased to a certain value, or after the batch is finished, stopping a feeding pump, before stopping the pump, enabling compressed air to enter the bundled tube type filter element 5 into a filter through a normal blow valve (on an emptying valve pipeline) (the air pressure is not more than 0.1 Mpa), continuously compressing by utilizing compressed gas, (the liquid level in the filter gradually drops at the moment), when bubbles are found in the effluent filtrate (indicating that the filter cake outside the bundled tube type filter element is cracked) or the filtering speed is very slow, immediately opening a bottom reflux valve, and then closing an upper filtrate outlet valve until all the filtrate completely flows; washing: the washing operation is the same as the filtering operation of the third step and the fourth step (if washing exists, all the original filtering materials are not required to be filtered completely, washing water is directly introduced for washing and filtering), in order to improve the washing efficiency, all filter cakes can be uniformly washed, the washing water is saved, the washing and filtering are circulated for a long time, one batch of circulating washing and filtering is finished, and then the second batch of circulating washing and filtering is carried out; drying the filter cake: after washing, compressed gas is firstly used for positive pressure dehydration, and in the later stage of dehydration, a filtrate outlet valve can be used for closing in a short time, suddenly opening, closing and suddenly opening the positive blowing method so as to improve the dryness of a filter cake; and seventh, back flushing and slag discharging: and opening an emptying valve of the cluster tube type filtering element 5 filter, reducing the pressure in the filter to zero, and opening a bottom slag discharge port through a pneumatic valve to discharge slag.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Cake layer candle filter, including support (1) and fastening bolt (8), its characterized in that, nut bolt fixedly connected with casing (6) is passed through at the top of support (1), casing (6) are the cavity structure, and the fixed cone portion (3) that is provided with in bottom of casing (6), and the bottom of cone portion (3) installs and unload sediment valve (2), the inside of casing (6) is equipped with bundling tubular filter element (5), through inside collector tube (7) of ring flange fixedly connected with on bundling tubular filter element (5), the tip fixedly connected with switching device (10) of inside collector tube (7), the opposite side fixedly connected with drain pipe (11) of switching device (10), header pipe (11) are located the outside of casing (6).

2. A filter cake layer candle filter as in claim 1, characterized in that the top of the housing (6) is fixedly connected with an upper head (9) by means of fastening bolts (8).

3. A filter cake layer candle filter as in claim 1, characterized in that the housing (6) is provided in one piece with the cone part (3).

4. Filter cake layer candle filter according to claim 1, characterized in that one side of the housing (6) is provided with a sight glass (4).

5. Filter cake layer candle filter according to claim 1, characterized in that a blow-down valve is mounted at the top of the housing (6).