CN201643779U - Inverted cone extraction filter - Google Patents

Abstract

The utility model discloses an inverted cone extraction filter, comprising a tank body; the tank body (30) is a downward opening; the diameter of a liner (2) at the middle-lower part of the tank body is slightly larger than that at the upper part of the tank body; the periphery of the liner (2) is provided with a filter net (1); a space (18) is reserved between the filter net (1) and the inner side wall of the liner (2); the peripheral direction of a flange (4) is provided with a plurality of through holes (20), through which liquid can pass; an upper cover of a lower opening of the tank body (30) is provided with a bottom cover sealing head (9); an upper opening of the bottom cover sealing head (9) is provided with a filter net (8); a lower space (17) is reserved between the filter net (8) and the bottom wall of the bottom cover sealing head (9); the bottom of the bottom cover sealing head (9) is connected with a liquid outlet pipe (11); and a flange disc (7) of the bottom cover sealing head is provided with a plurality of through holes (20) corresponding to the through holes (20). By adopting the structure, the inverted cone extraction filter improves the filter speed of solution and is convenient for slagging.

Description

Back taper extraction filter

Affiliated technology neck city

The utility model relates to a kind of extraction filter that is used in industries such as chemical industry, pharmacy, health products, food, specifically relates to a kind of back taper extraction filter.

Background technology

Existing extraction filter mostly adopts positive cone or straight barrel type tank body, be equipped with one deck filter screen in the bottom of tank body, the diapire of filter screen below is provided with fluid hole, after the material in the tank body is extracted, its solution flows out qualified liquid from fluid hole behind strainer filtering, more remaining solid sediment is taken out afterwards.Its deficiency is, because the area of the filter screen in the tank body is little, causes its rate of filtration slow, reduced production efficiency; Moreover, also can cause the Separation of Solid and Liquid in the solution insufficient because of the area of screen pack is little, so poor filtration effect.Again because, existing extraction filter mostly adopts the tank body of positive cone or straight barrel type, and is very inconvenient when slagging tap like this, and damages easily filter screen in the process of slagging tap.

Summary of the invention

The utility model provides a kind of back taper extraction filter at above-mentioned deficiency, and the speed of the filtration of this back taper extraction filter is fast, effective, and slags tap conveniently.

The utility model is achieved in that a kind of back taper extraction filter, comprise tank body, described tank body is a downwardly facing opening, the slightly larger in diameter of the inner bag of tank body middle and lower part is in the tank body upper part diameter, be provided with filter screen around inner bag, the upper end of described filter screen and the madial wall of tank body closely cooperate, and the flange of the lower end of filter screen and tank body under shed closely cooperates, filter screen after the connection leaves the space between the madial wall of inner bag, above-mentioned flange circumferentially have a plurality of open-works that can pass through for liquid; Be stamped the bottom end socket on the under shed of tank body, upper shed place at the bottom end socket is provided with filter screen, this filter screen leaves down the space between the diapire of bottom end socket, the bottom of bottom end socket is connected with the drain pipe of linking up mutually with following space, and corresponding above-mentioned through-hole position is provided with open-work on the ring flange of described bottom end socket.

In sum,, increased the filter area of solution significantly, so not only improved its rate of filtration, and made separating of solid in the solution and liquid more abundant owing to around tank interior, be provided with filter screen.Again because, this tank body is inverted, its opening makes like this that the speed of slagging tap is fast, the time spent is short, improved production efficiency greatly down.

Description of drawings

Fig. 1 is the utility model back taper extraction structure of filter figure, and part-structure wherein is for analysing and observe state;

Fig. 2 is the partial sectional view of circle A part among Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the utility model implementation column is described in further detail.

Extremely shown in Figure 2 as Fig. 1, tank body 30 is a downwardly facing opening, the slightly larger in diameter of the inner bag 2 of tank body middle and lower part is in the tank body upper part diameter, around inner bag 2, be provided with filter screen 1, the madial wall of the upper end of filter screen 1 and tank body 30 closely cooperates, the flange 4 of the lower end of filter screen 1 and tank body under shed closely cooperates, and the filter screen 1 after the connection leaves space 18 between the madial wall of inner bag 2; Above-mentioned flange 4 circumferentially have a plurality of open-works that can pass through for liquid 20.The under shed of tank body 30 is stamped bottom end socket 9, the bottom surface of bottom end socket 9 is form of pot bottom, upper shed place at bottom end socket 9 is equipped with filter screen 8, this filter screen 8 leaves down space 17 between the diapire of bottom end socket 9, the bottom of bottom end socket is connected with the drain pipe 11 of linking up mutually with following space 17, the ring flange 7 of this bottom end socket circumferentially have a plurality of and above-mentioned open-work 20 corresponding open-works 19, on ring flange 7, also be provided with inner seal ring 5 and exterior seal ring 6.During use bottom end socket 9 is closed and (on back taper extraction filter, be provided with the quick-opening cover mechanism that bottom end socket 9 can be opened or closed, this quick-opening cover mechanism is a prior art, here no longer be described in detail), this moment, this open-work 20 was linked up with the following space 17 of bottom end socket mutually with the space 18 in open-work 19 makes tank body; Material drops into from the dog-house 14 at tank body 30 tops, fluid after extracting, its 1 pair of solution of filter screen that is located at around the inner bag filters during fluid, flows out from drain pipe 11 by 17 backs, following space of space 18, open-work 20, open-work 19 and bottom end socket through the solution liquid that filters; Another part liquid in the solution flows into 17 backs, following space of bottom end socket from drain pipe 9 outflows by the filter screen 9 of bottom end socket simultaneously.When slagging tap, only need open bottom end socket 9 and can finish smoothly.

Claims (1)

1. a back taper extracts filter, comprise tank body, it is characterized in that: described tank body (30) is a downwardly facing opening, the slightly larger in diameter of the inner bag of tank body middle and lower part (2) is in the tank body upper part diameter, around inner bag (2), be provided with filter screen (1), the madial wall of the upper end of described filter screen (1) and tank body (30) closely cooperates, the flange (4) of the lower end of filter screen (1) and tank body under shed closely cooperates, filter screen after the connection (1) is to leaving space (18) between the madial wall of inner bag (2), above-mentioned flange (4) circumferentially have a plurality of open-works that can pass through for liquid (20); Be stamped bottom end socket (9) on the under shed of tank body (30), upper shed place at bottom end socket (9) is provided with filter screen (8), this filter screen (8) is to leaving down space (17) between the diapire of bottom end socket (9), the bottom of bottom end socket (9) is connected with the drain pipe (11) of linking up mutually with following space (17), and the ring flange of described bottom end socket (7) is gone up corresponding above-mentioned open-work (20) and located to be provided with open-work (19).

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