Filter bag type filter assembly
By designing a double-layer filter bag and support frame structure, the problem of small contact area between the filtrate and the filter cloth is solved, enabling convenient replacement and sealing, improving filtration efficiency and reducing costs.
Patent Information
- Application Number
- CN202422561156.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing bag filter modules have a small contact area between the filtrate and the filter cloth, resulting in frequent and cumbersome replacement operations, which affects production efficiency and costs.
The design incorporates a double-layer filter bag structure, combined with a support frame and sealing gaskets, to increase the contact area between the filtrate and the filter cloth. The filter bag can be easily replaced via a handle, and the sealing gaskets enhance the sealing effect.
Increasing the contact area between the filtrate and the filter cloth reduces the frequency of replacement, improves filtration efficiency, reduces downtime, and lowers costs.
Smart Images

Figure CN223628278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of filter assembly, specifically is a filter bag type filter assembly. BACKGROUND
[0002] In the industrial production process, filter bag type filter assembly is usually used to filter impurities, particulate matter and other substances, and the impurities are separated out by filtering to achieve the purpose of purification or purification. In the filtering process, only the filtrate to be treated passes through the filter bag type filter assembly, the impurities are blocked on the filter cloth, and when cleaning or replacement is needed, only the filter bag needs to be replaced and then loaded.
[0003] However, the filter bag of the conventional filter bag type filter assembly is designed as a single layer, the contact area between the filtrate and the filter cloth is small, the filter bag needs to be replaced frequently during use, and if the replacement operation is complicated, the machine needs to be stopped during replacement, thereby affecting the production efficiency and indirectly increasing the filtering cost.
[0004] Therefore, the filter bag type filter assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a filter bag type filter assembly to solve the problem of the conventional filter bag type filter assembly in the background art, which is designed as a single layer, the contact area between the filtrate and the filter cloth is small, the filter bag needs to be replaced frequently during use, the replacement operation of the filter bag is complicated, the machine needs to be stopped during replacement, the production efficiency is affected, and the actual filtering cost is high.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a filter bag type filter assembly, comprising a filter basket and a support frame and a filter bag installed inside the filter basket; the support frame is inverted inside the filter basket; further comprising a filter bag, the bottom of the filter bag is folded inward to form a double layer and is sleeved on the outer surface of the support frame; the inside of the support frame is provided with an inwardly expanding filter screen, and the filter screen and the support frame are located inside the filter bag.
[0007] As a preferred technical scheme of the utility model, a plurality of filter holes are formed on the outer surface of the filter basket, and a single or a plurality of openings are formed at the lower end of the filter basket, the size of the opening is smaller than the diameter of the filter basket, which is beneficial to the outward discharge of the filtrate after filtration.
[0008] As a preferred technical scheme of the utility model, the opening at the upper end of the filter basket can be connected with a plastic ring or a steel ring, and a sealing gasket is arranged at the joint between the plastic ring or the steel ring and the filter basket, which improves the sealing effect of the connection between the filter basket and the filter bag and the external components, and prevents the filtrate from leaking out.
[0009] As the preferred technical scheme of the utility model, the bottom of the filter bag is provided with a handle. Through the handle at the bottom of the filter bag, the filter bag can be pulled out from the outer surface of the support frame directly, so that the filter bag can be disassembled, cleaned and replaced conveniently.
[0010] Compared with the prior art, the filter bag type filtering assembly has the beneficial effects that: the length of the filter bag is lengthened, the bottom of the filter bag is folded inward to form a double layer and is sleeved on the outer surface of the support frame, the contact area of the filtrate and the filter cloth is increased, the overall linear flow rate is slowed down, the filtering efficiency is increased, the replacement frequency of the filter bag is reduced, when the filter bag needs to be cleaned and replaced, the handle is pulled directly to pull the filter bag out of the filter basket, so that the filter bag can be disassembled, cleaned and replaced conveniently, and the filter bag can be installed in the support frame conveniently; the sealing ring is arranged to improve the sealing effect of the connection between the sealing ring, the filter bag and the external equipment assembly, prevent liquid leakage, reduce the replacement frequency of the filter bag, have no influence on the production efficiency and indirectly reduce the filtering cost.
[0011] 1. The sealing ring is arranged on the opening at the upper end of the filter basket, the combination of the plastic ring and the filter basket is attached with the sealing ring, the sealing effect between the sealing ring, the filter bag and the external equipment assembly is better through the arrangement of the sealing ring, liquid leakage is prevented, and the bottom of the filter bag is folded inward to form a double layer and is sleeved on the outer surface of the support frame, so that the overall filtering efficiency is increased.
[0012] 2. The handle, the support frame and the filter screen are arranged, the filter bag is pulled out of the filter basket by pulling the handle upward, so that the filter bag can be disassembled, cleaned and replaced conveniently, and the filter screen is arranged to further filter the filtrate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the utility model;
[0014] Figure 2 It is a filter basket and filter bag exploded structure schematic view of the utility model;
[0015] Figure 3 It is a bottom structure schematic view of the utility model;
[0016] Figure 4 It is a filtrate flow direction structure schematic view of the utility model;
[0017] Figure 5 It is a filter bag, support frame and filter screen bottom structure schematic view of the utility model;
[0018] Figure 6 It is a filter bag and filter screen bottom structure schematic view of the utility model;
[0019] Figure 7The utility model discloses a support frame and filter screen whole structure schematic diagram.
[0020] In the drawing: 1, filter basket; 2, filter hole; 3, opening; 4, sealing washer; 5, filter bag; 6, handle; 7, support frame; 8, filter screen. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.
[0022] Please refer to Figures 1-7 The utility model provides the following technical scheme.
[0023] Embodiment 1: in order to solve the problem that filter bag is single-layer design in prior art, the contact area of filtrate and filter cloth is small, and the filter bag needs to be frequently replaced in the use process, therefore, the technical scheme is as follows: a filter bag type filtering assembly is provided with filter basket 1, filter hole 2, opening 3, sealing washer 4, filter bag 5 and support frame 7, a plurality of filter holes 2 are formed in the outer surface of filter basket 1, and the lower end of filter basket 1 is provided with opening 3, the size of opening 3 is less than the diameter size of filter basket 1, the bottom of filter bag 5 is folded inward to form double layers and is sleeved on the outer surface of support frame 7, support frame 7 is inverted in the inside of filter basket 1, and the opening at the upper end of filter basket 1 can be connected with a plastic ring or a steel ring, sealing washer 4 is arranged in the joint of the plastic ring or the steel ring and filter basket 1, as shown in Figure 1 、 Figure 2 and Figure 3 , the sealing effect of the contact between filter basket 1 and filter bag and external equipment assembly is improved through the arrangement of sealing washer 4, liquid leakage is prevented, the contact area between filtrate and filter cloth is increased by folding the bottom of filter bag 5 inward to form double layers and sleeving on the outer surface of support frame 7, the linear flow rate of fluid is slowed down under the condition of constant flow in the actual filtering process, so that the filtering efficiency is increased, the replacement frequency of filter bag 5 is reduced, the filtrate enters filter bag 5 through the gap formed by folding filter bag 5 inward to contact the filter cloth for filtering, the filtered filtrate is discharged outward through filter hole 2 and opening 3, and support frame 7 is inverted and inserted into filter basket 1, which is opposite to the traditional installation direction, the assembly can be used without changing the traditional support frame, so that the filter bag type filtering assembly can be more conveniently applied.
[0024] The embodiment 2: the existing filter bag type filter assembly, the replacement operation of the filter bag is more cumbersome, needs to stop during replacement, influences the production efficiency, the actual filtering cost is higher, therefore by setting the handle 6, the bottom of the filter bag 5 is provided with the handle 6, the inside of the support frame 7 is provided with the filter screen 8 that expands inwards, and the filter screen 8 and the support frame 7 are all located at the inside of the filter bag 5, as shown in Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 The flow direction of filtrate into the filter bag 5 is respectively flowing and filtering to the side far away from the vertical central axis of the filter basket 1 and the side close to the vertical central axis of the filter basket 1, the filtrate on the side far away from the vertical central axis of the filter basket 1 is filtered by the filter bag 5 and then discharged outward by the filter hole 2, the filtrate on the side close to the vertical central axis of the filter basket 1 is filtered by the filter bag 5 and then discharged outward by the opening 3 after passing through the filter screen 8, and when it is needed to dismount, clean and replace the filter bag 5, the handle 6 can be directly pulled to drive the filter bag 5 to move out of the filter basket 1, so that the filter bag 5 can be cleaned and replaced very quickly and conveniently.
[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A filter bag type filter assembly, comprising a filter basket (1) and a support frame (7) and a filter bag (5) installed inside the filter basket (1); characterized in that, the support frame (7) is inverted inside the filter basket (1); further comprising a filter bag (5), the bottom of the filter bag (5) is folded inward to form a double layer and is sleeved on the outer surface of the support frame (7).
2. A panel filter assembly according to claim 1, wherein: The inside of the support frame (7) is provided with an inwardly expanding filter screen (8), and the filter screen (8) and the support frame (7) are located inside the filter bag (5).
3. A panel filter assembly according to claim 1, wherein: The outer surface of the filter basket (1) is provided with a plurality of filter holes (2), and the lower end of the filter basket (1) is provided with a single or a plurality of openings (3), the size of the opening (3) is smaller than the diameter size of the filter basket (1).
4. A panel filter assembly according to claim 1, wherein: A plastic ring or a steel ring can be connected at the opening of the upper end of the filter basket (1), and a sealing gasket (4) is arranged at the joint of the plastic ring or the steel ring and the filter basket (1).
5. A panel filter assembly according to claim 1 wherein: The bottom of the filter bag (5) is provided with a handle (6).