External protection bag cage for filter cartridge

Abstract

The utility model relates to an external protection bag cage for a filter cartridge. The external protection bag cage comprises a bag cage, a bag cage gasket, a filter cartridge gasket, a pattern plate, a pressing plate, a shaft shoulder bolt, a fastening nut and a flange plate, the flange plate is arranged at a bag opening of the bag cage; the flange plate is clamped above a tubesheet hole of the tubesheet; the filter cartridge gasket is arranged on the top surface of the flange; the bag cage gasket is arranged on the periphery of the bag cage in a sleeving manner and is arranged between the flange plate and the tubesheet; and the pressing plate is aligned to the hole and buckled above the fastening nut, and is fixed with the pattern plate through a shaft shoulder bolt. The integral rigidity is increased, and the problem that the filter cartridge, particularly a lengthened large-specification filter cartridge, shakes greatly under the action of external force and is broken due to stress concentration during transportation, engineering installation and use is solved.

Description

Technical Field

[0001] The utility model relates to an external protective bag cage for a filter cartridge and belongs to the technical field of filter cartridge protection. Background Art

[0002] The main material of the filter cartridge is fiber, which is cured by adhesive bonding and then dried and formed. It has a certain rigidity, but due to its high brittleness, it is easy to break under the action of external force. Especially when the lower hanging installation method is adopted, the stress is easy to concentrate in the middle and upper areas. When the filter cartridge is loaded with heavy ash, back-blowing cleaning is performed, or the airflow is uneven, it will cause flue gas turbulence and excessive filtration wind speed, which will cause the filter cartridge to shake and deform. Long-term unfavorable working conditions may cause the filter cartridge to break. The longer the filter cartridge is, the higher the risk of breakage. Once a break occurs, the filter cartridge may fall into the ash hopper and block the ash discharge port, seriously affecting the ash discharge efficiency and posing a serious safety hazard. With the widespread application of filter cartridges in industry, in order to reduce the floor space occupied by equipment, the large-scale filter cartridge has become a key development direction of the industry. However, the increase in the length of the filter cartridge also brings about the prominent problem of breakage. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model proposes an external protective bag cage for a filter cartridge.

[0004] The technical solution of the utility model is as follows:

[0005] The utility model provides an external protective bag cage for a filter cartridge, which is characterized by comprising a bag cage, a bag cage gasket, a filter cartridge gasket, a flower plate, a pressure plate, a shoulder bolt, a fastening nut and a flange;

[0006] The flange is arranged at the bag mouth of the bag cage; the flange is clamped above the flower plate hole of the flower plate; the filter cartridge gasket is arranged on the top surface of the flange; the bag cage gasket is sleeved on the outer periphery of the bag cage, and the bag cage gasket is arranged between the flange and the flower plate;

[0007] The pressure plate is aligned with the hole and pressed on the fastening nut, and is fixed to the flower plate by a shoulder bolt.

[0008] As a preferred embodiment of the utility model, the bag cage further includes a plurality of transverse ribs arranged in an annular shape and a plurality of vertical ribs arranged in a vertical direction;

[0009] The vertical ribs are arranged at intervals along the outer circle of the transverse ribs;

[0010] A plurality of groups of correction elastic ribs are arranged on the vertical ribs, each group of correction elastic ribs are arranged horizontally, one end of each correction elastic rib is fixedly connected to the inner side of the vertical rib, and the other end is convex facing the center of the bag cage.

[0011] As a preferred embodiment of the present invention, the bag cage gasket and the filter cartridge gasket are made of inorganic fiber materials.

[0012] As a preferred embodiment of the present utility model, the ends of the vertical ribs are bent inwards to form a closed end, and the ends of the bag cage are in a semi-closed state.

[0013] As a preferred embodiment of the present utility model, the flower plate is a rectangular flower plate.

[0014] As a preferred embodiment of the present utility model, one end of the vertical rib close to the top of the bag cage is fixedly connected to the correction elastic rib.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model can not only effectively fix and protect the filter cartridge by setting a bag cage outside the filter cartridge, but also significantly enhance the overall rigidity. This measure solves the problem of excessive shaking and stress concentration leading to breakage of the filter cartridge during transportation, engineering installation and use.

[0017] 2. The utility model achieves the function of holding the broken filter cartridge by bending the end of the vertical rib inward to form a closed end, thereby preventing the broken filter cartridge from falling into the ash hopper and causing the ash discharge hole to be blocked.

[0018] 3. The utility model can fix the filter cartridge and prevent the filter cartridge from tilting by arranging multiple groups of slightly raised correction elastic ribs facing the center of the bag cage on the vertical ribs.

[0019] 4. The utility model increases the air tightness of the device by arranging gaskets between the flange and the flange of the filter cartridge and between the flange and the flower plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a bag cage diagram of the present utility model.

[0021] Figure 2 This is a detailed view of the bag opening of the present utility model.

[0022] Figure 3 This is a schematic diagram of the bag cage appearance of the utility model.

[0023] Figure 4 It is a schematic diagram of the correction elastic rib of the utility model.

[0024] The reference numerals in the figure are as follows:

[0025] 1. Bag cage; 101. Circular transverse ribs; 102. Vertical ribs; 103. Flange; 104. Adjustment spring ribs; 2. Bag cage gasket; 3. Filter cartridge gasket; 4. Flower plate; 5. Pressure plate; 6. Shoulder bolts; 7. Fastening nuts; 200. Filter cartridge assembly. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be understood that the step numbers used in this document are only for convenience of description and are not intended to limit the order in which the steps are executed.

[0028] It should be understood that the terms used in the utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in the utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0029] The terms “include” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0030] The term "and / or" means and includes any and all possible combinations of one or more of the associated listed items.

[0031] Embodiment 1:

[0032] See also Figure 1-2 The utility model provides an external protective bag cage for a filter cartridge, characterized in that it comprises a bag cage 1, a bag cage gasket 2, a filter cartridge gasket 3, a flower plate 4, a pressure plate 5, a shoulder bolt 6, a fastening nut 7 and a flange 103;

[0033] The flange 103 is arranged at the bag mouth of the bag cage 1; the flange 103 is clamped above the flower plate hole of the flower plate 4; the filter cartridge gasket 3 is arranged on the top surface of the flange 103 to increase the air tightness between the flange 103 and the filter cartridge; the bag cage gasket 2 is sleeved on the outer periphery of the bag cage 1, and the bag cage gasket 2 is arranged between the flange 103 and the flower plate 4 to increase the air tightness between the flange 103 and the flower plate 4;

[0034] The pressure plate 5 is aligned with the hole and pressed on the top of the fastening nut 7, and is fixed to the flower plate 4 by the shoulder bolt 6, so as to fix the filter cartridge and prevent the filter cartridge from falling out.

[0035] See also Figure 3As a preferred embodiment of the utility model, the bag cage 1 further includes a plurality of annularly arranged transverse ribs 101 and a plurality of vertical ribs 102 arranged in the vertical direction;

[0036] The vertical ribs 102 are arranged at intervals along the outer circle of the horizontal ribs 101, which increases the overall rigidity and solves the problem that the filter cartridge, especially the extended large-size filter cartridge, shakes too much under the action of external forces during transportation, engineering installation and use, resulting in stress concentration and fracture;

[0037] See also Figure 4 A plurality of correction elastic ribs 104 are arranged on the vertical ribs 102, each group of correction elastic ribs 104 is arranged horizontally, one end of each correction elastic rib 104 is fixedly connected to the inner side of the vertical rib 102, and the other end is convex facing the center of the bag cage 1, which is used to hold the correction filter cartridge tightly to prevent the filter cartridge from tilting.

[0038] As a preferred embodiment of the present invention, the bag cage gasket 2 and the filter cartridge gasket 3 are made of inorganic fiber materials. The inorganic fiber materials have the advantages of being able to withstand high temperature environments, being able to withstand high loads, having excellent flame retardant properties, and having good corrosion resistance.

[0039] As a preferred embodiment of the present utility model, the ends of the vertical ribs 102 are bent inward to form a closed end, so that even if the filter cartridge is broken, the broken filter cartridge can be caught at the closed end. The end of the bag cage 1 is in a semi-closed state to prevent it from falling into the ash hopper and causing clogging of the ash discharge port, thereby ensuring stable operation of the equipment.

[0040] As a preferred embodiment of the present utility model, the flower plate 4 is a rectangular flower plate, which can prevent the bag cage from rolling when the bag cage is placed horizontally.

[0041] As a preferred embodiment of the present invention, one end of the vertical rib 102 close to the top of the bag cage is fixedly connected to the correction elastic rib 104. In this way, the correction elastic rib 104 will not get stuck in the filter cartridge when the filter cartridge is placed, making it easy to put the filter cartridge into the bag.

[0042] The filter cartridge is not prone to fatigue fracture due to shaking under the action of the bag cage, and will not break due to large shaking caused by complex working conditions, thus extending the service life of the filter cartridge. When the filter cartridge breaks accidentally during operation, the external bag cage can hold the filter cartridge, and the semi-enclosed design can also prevent the ash hopper from falling and causing the ash discharge port to be blocked, ensuring the stable operation of the equipment.

[0043] Embodiment 2:

[0044] Insert the bag cage gasket from the bottom of the bag cage and glue it under the flange with high temperature sealant. Align the filter cartridge gasket with the bag cage flange and glue it above the flange with high temperature sealant. Then, put the filter cartridge into the bag cage, and it will be tightened and straightened to form a filter cartridge assembly under the action of the correction elastic ribs inside the bag cage. This is the transportation state, which is designed to facilitate transportation and installation. The gap formed between the filter cartridge and the bag cage is the dust collection area, and its size is larger than the thickness of the dust cleaning powder layer.

[0045] Transport the filter cartridge assembly to the installation site and place the filter cartridge assembly on the plate through the plate hole. Then, install the shoulder bolts on the plate, cover the pressure plate, and tighten the fastening nuts to the shoulder bolts. Press the bag cage and filter cartridge together through the pressure plate to ensure a secure installation.

[0046] The products are shipped in the form of components, which has a simpler packaging structure, saves the required loading space, and reduces packaging and transportation costs. The sealing gaskets are pre-installed and bonded in the workshop, which reduces the workload of installation and alignment at the project site.

[0047] In the embodiments of the present application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can be represented by: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple.

[0048] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An external protective bag cage for a filter cartridge, characterized in that: It comprises a bag cage (1), a bag cage gasket (2), a filter cartridge gasket (3), a flower plate (4), a pressure plate (5), a shoulder bolt (6), a fastening nut (7) and a flange (103); The flange (103) is arranged at the bag opening of the bag cage (1); the flange (103) is clamped above the flower plate hole of the flower plate (4); the filter cartridge gasket (3) is arranged on the top surface of the flange (103); the bag cage gasket (2) is sleeved on the outer periphery of the bag cage (1), and the bag cage gasket (2) is arranged between the flange (103) and the flower plate (4); The pressure plate (5) is aligned with the hole and pressed onto the fastening nut (7), and is fixed to the flower plate (4) via the shoulder bolt (6).

2. The external protective bag cage for filter cartridge according to claim 1, characterized in that: The bag cage (1) further comprises a plurality of transverse ribs (101) arranged in an annular shape and a plurality of vertical ribs (102) arranged in a vertical direction; The vertical ribs (102) are arranged at intervals along the outer circle of the transverse ribs (101); A plurality of groups of correction elastic ribs (104) are arranged on the vertical ribs (102), each group of correction elastic ribs (104) is arranged horizontally, one end of each correction elastic rib (104) is fixedly connected to the inner side of the vertical rib (102), and the other end is convex facing the center of the bag cage (1).

3. The external protective bag cage for filter cartridge according to claim 1, characterized in that: The bag cage gasket (2) and the filter cartridge gasket (3) are made of inorganic fiber materials.

4. The external protective bag cage for a filter cartridge according to claim 2, characterized in that: The ends of the vertical ribs (102) are bent inwards to form a closed end, and the end of the bag cage (1) is in a semi-closed state.

5. The external protective bag cage for filter cartridge according to claim 1, characterized in that: The flower plate (4) is a rectangular flower plate.

6. The external protective bag cage for filter cartridge according to claim 2, characterized in that: One end of the vertical rib (102) close to the top of the bag cage is fixedly connected to the correction elastic rib (104).

Images