CN217287378U

CN217287378U - Bag type closed filter press

Info

Publication number: CN217287378U
Application number: CN202123346731.6U
Authority: CN
Inventors: 朱文兵
Original assignee: Rugao Cijie Environmental Protection Technology Co Ltd
Current assignee: Rugao Cijie Environmental Protection Technology Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-26
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a bag type airtight pressure filter, the pressure filter includes the main barrel, set up the upper cover at the main barrel top, set up the filter bag in the main barrel, rocker arm uncapping mechanism and bolt, upper cover top is opened has air inlet and inlet, main barrel bottom is opened has the liquid outlet, the upper cover compresses tightly on the main barrel through rocker arm uncapping mechanism and bolt cooperation, main barrel upper end face has the lower flange, be equipped with the inner seal circle on the lower flange up end face, the outer side of the inner seal circle of lower flange up end face extends vertically upwards has first boss, be equipped with the outer seal circle on the first boss upper end face, the annular mouth of filter bag tiles on the inner seal circle, the filter bag annular mouth top of inner seal circle department is pressed and is equipped with the clamping ring, upper cover lower end face has the upper flange, the upper flange is pressed and is equipped with first boss and clamping ring top and is sealed; the utility model discloses simple structure, low in manufacturing cost has better seal, is difficult for the edge leakage and leaks outward.

Description

Bag type closed filter press

Technical Field

The utility model relates to the technical field of filters, especially, relate to a airtight pressure filter of pocket type.

Background

The existing bag type filter press is a widely applied filter, a filter bag is adopted as a filter medium, the filter bag is arranged in a closed filter press, liquid is pumped into the filter press, the liquid flows into the filter bag along with the increase of pressure, the filter bag intercepts mechanical impurities or particulate matters in the filter bag to achieve the filtering effect, meanwhile, gas is introduced to press dry the particulate matters, and then equipment is directly opened to directly take out the filter bag; in the prior art, the bag-type pressure filter mostly has the problems of external leakage and side leakage, when the solid slag of the bag-type pressure filter has side leakage, the solid slag enters the cavity of the shell of the filter and flows out through the liquid outlet to pollute the next procedure, and the liquid and gas have the problems of personnel safety and environmental pollution when leaking.

The corrosion-resistant bag type filter press provided by the Chinese invention patent with the publication number of CN210009685U is characterized in that a filter bag of the filter press is arranged in a support basket and presses a filter bag pressure ring, the support basket and a fixed block are sealed by a second sealing ring, but the sealing performance between the filter bag and the support basket and between the pressure ring and the filter bag is poor, and side leakage is easy to occur; the upper cover and the fixed block are sealed through the first sealing ring, but the sealing performance between the fixed block and the main cylinder is poor, so that leakage is easy to occur; the filter has a complex structure and high manufacturing cost.

Therefore, the utility model provides a closed filter-pressing of bag type solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a bag-type airtight pressure filter of simple structure, reduce manufacturing cost, have better seal, difficult side leakage and outer hourglass.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a bag-type airtight pressure filter, the pressure filter includes the main barrel, sets up at the upper cover at main barrel top, sets up at the inside filter bag of main barrel, rocking arm mechanism and the bolt of uncapping, open at the upper cover top has air inlet and inlet, and open main barrel bottom has the liquid outlet, the upper cover is uncapped the mechanism through the rocking arm and is compressed tightly on the main barrel with the bolt cooperation, and its innovation point lies in: the main barrel up end has the lower flange, be equipped with the inner seal circle on the flange up end down, the vertical upwards extension in the inner seal circle outside of lower flange up end has first boss, be equipped with the external seal circle on the first boss up end, on the seal circle including the collarband tiling of filter bag, the filter bag collarband top of inner seal circle department is pressed and is equipped with the clamping ring, the terminal surface has the upper flange under the upper cover, and the upper flange is pressed and is established first boss and clamping ring top and seal.

Furthermore, a second boss vertically extends downwards at the position of the pressing ring of the upper flange.

Further, the inner sealing ring has two.

The utility model has the advantages that:

(1) the utility model discloses a set up three sealed lines of defence of inner seal circle, clamping ring and external seal circle, difficult emergence edge leakage and outer hourglass have promoted the pressure filter seal, this pressure filter simple structure, low in manufacturing cost.

(2) The utility model discloses a set up the second boss, promoted the leakproofness between upper flange and the clamping ring.

(3) The utility model discloses an inner seal circle has two, further promotes the leakproofness, prevents the side leakage.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the bag-type closed filter press of the present invention.

Fig. 2 is a schematic view of the internal structure of the bag-type airtight pressure filter of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the bag-type sealed filter press comprises a main cylinder 9, an upper cover 1 disposed on the top of the main cylinder 9, a filter bag 4 disposed inside the main cylinder 9, a rocker arm cover opening mechanism 13 and a bolt 10, wherein the top of the upper cover 1 is provided with an air inlet 12 and a liquid inlet 11, and the bottom of the main cylinder 9 is provided with a liquid outlet 91. The upper end face of the main barrel body 9 is provided with a lower flange 6, an inner sealing ring 7 is arranged on the upper end face of the lower flange 6, the inner sealing ring 7 is provided with two parts, the sealing performance is improved, a first boss is vertically and upwards extended outside the inner sealing ring 7 on the upper end face of the lower flange 6, an outer sealing ring 5 is arranged on the upper end face of the first boss, the ring opening of the filter bag 4 is tiled on the inner sealing ring 7, a pressing ring 3 is arranged above the ring opening of the filter bag 4 at the position of the inner sealing ring 7 in a pressing mode, the upper flange 2 is arranged on the lower end face of the upper cover 1, and a second boss is vertically and downwards extended at the position of the pressing ring 3 of the upper flange 2.

One side of rocker arm uncapping mechanism 13 is connected at upper cover 1 top, the opposite side is connected in the barrel 9 outside, one side that upper flange 2 kept away from rocker arm uncapping mechanism 13 has the connecting block, one side that lower flange 6 kept away from rocker arm uncapping mechanism 13 has lower connecting block, it has the screw hole that supplies the bolt to pass to go up the cooperation and open on the connecting block down, upper cover 1 covers on barrel 9 through rocker arm uncapping mechanism 13, bolt 10 screws up in the screw hole, compress tightly upper cover 1, upper flange 2 is pressed and is established on first boss, realize sealedly through outer seal ring 5, avoid leaking outward, clamping ring 3 tops are established to the second boss pressure, realize sealing through the inner seal circle, avoid the side leakage.

The utility model provides a pair of airtight pressure filter of pocket type, simple structure, low in manufacturing cost has better seal, difficult edge leakage and outer hourglass.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a closed pressure filter of pocket type, the pressure filter includes the main drum body, sets up at the upper cover at the main drum body top, sets up filter bag, rocking arm uncapping mechanism and the bolt inside the main drum body, open at the upper cover top has air inlet and inlet, and open the main drum body bottom has the liquid outlet, the upper cover compresses tightly its characterized in that on the main drum body through rocking arm uncapping mechanism and bolt cooperation: the main barrel up end has the lower flange, be equipped with the inner seal circle on the flange up end down, the vertical upwards extension in the inner seal circle outside of lower flange up end has first boss, be equipped with the external seal circle on the first boss up end, on the seal circle including the collarband tiling of filter bag, the filter bag collarband top of inner seal circle department is pressed and is equipped with the clamping ring, the terminal surface has the upper flange under the upper cover, and the upper flange is pressed and is established first boss and clamping ring top and seal.

2. The bag-type closed pressure filter according to claim 1, wherein: and a second boss vertically and downwardly extends from the pressing ring of the upper flange.

3. The bag-type closed pressure filter according to claim 1, wherein: the inner sealing ring is provided with two.