Dry filter

Abstract

The utility model discloses a dry type filter which comprises a hollow box body, a filter cavity is arranged in the box body, a waste gas inlet and a waste gas outlet which are communicated with the filter cavity are arranged on the outer wall of the box body, at least one first filter cotton mounting frame is arranged in the filter cavity, and the first filter cotton mounting frame comprises a first U-shaped piece and a second U-shaped piece which are arranged at an interval. A first U-shaped groove is formed in the first U-shaped piece, a second U-shaped groove corresponding to the first U-shaped groove is formed in the second U-shaped piece, the first U-shaped groove and the second U-shaped groove are both arranged in a long-strip shape, a containing groove is defined by the first U-shaped groove and the second U-shaped groove, a notch communicated with the containing groove is formed in the side wall of the first U-shaped piece and / or the side wall of the second U-shaped piece, and filter cotton can be loaded into or moved out of the containing groove through the notch. According to the filter disclosed by the utility model, the movable baffle capable of being opened and closed is adopted, so that the filter cotton is more convenient to replace, and the replacement efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas filtering devices, in particular to a dry filter. Background Art

[0002] In the process of exhaust gas treatment, dry filters are usually used. The dry filter mainly includes a box body, a filter chamber is arranged in the box body, an exhaust gas inlet and an exhaust gas outlet are arranged outside the box body, and a filter cotton mounting frame is arranged in the filter chamber. Removable filter cotton is placed on the filter cotton mounting frame. After the exhaust gas passes through the filter cotton, the particulate matter is filtered. However, in the traditional dry filter, the filter cotton mounting frame is not set reasonably, which makes it inconvenient to replace the filter cotton and the replacement efficiency is low. Utility Model Content

[0003] The utility model aims at the defects of the prior art and provides a dry filter which adopts an openable and closable movable baffle, and is more convenient to replace the filter cotton and has high replacement efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A dry filter comprises a box body with a hollow interior, a filter cavity is arranged in the box body, an outer wall of the box body is provided with an exhaust gas inlet and an exhaust gas outlet connected with the filter cavity, at least one first filter cotton mounting frame is arranged in the filter cavity, the first filter cotton mounting frame comprises a first U-shaped member and a second U-shaped member arranged at a distance, the first U-shaped member is provided with a first U-shaped groove, the second U-shaped member is provided with a second U-shaped groove corresponding to the first U-shaped groove, the first U-shaped groove and the second U-shaped groove are both arranged in a long strip shape, the first U-shaped groove and the second U-shaped groove form a receiving groove, the side walls of the first U-shaped member and / or the second U-shaped member are provided with a notch connected with the receiving groove, the notch can be used for the filter cotton to be loaded into or removed from the receiving groove, and a movable baffle that can be opened and closed is provided at the notch.

[0006] By setting a first filter cotton mounting frame consisting of a first U-shaped member and a second U-shaped member, a first U-shaped groove is set on the first U-shaped member, and a second U-shaped groove corresponding to the first U-shaped groove is set on the second U-shaped member, the first U-shaped groove and the second U-shaped groove form a receiving groove, and a notch connected to the receiving groove is set on the side wall of the first U-shaped member and / or the second U-shaped member, the notch can be used for the filter cotton to be loaded into or removed from the receiving groove, and an openable and closable movable baffle is set at the notch. When replacing the filter cotton, first open the movable baffle, and then remove the old filter cotton in the receiving groove from the notch one by one, and then load the new filter cotton into the receiving groove from the notch one by one, and move the new filter cotton to a suitable position, and finally close the movable baffle to complete the replacement. The use of the openable and closable movable baffle makes it more convenient to replace the filter cotton and the replacement efficiency is high.

[0007] As a preferred solution, one end of the movable baffle is rotatably connected to one side wall of the notch, and the other end of the movable baffle is locked to the other side wall of the notch through a locking assembly.

[0008] As a preferred solution, one end of the movable baffle is rotatably connected to a side wall of the notch via a hinge.

[0009] As a preferred embodiment, the locking assembly includes a pin, a first socket and a second socket, the first socket is arranged on the side wall of the other side of the notch, the second socket is arranged at the other end of the movable baffle, and the pin is inserted into the first socket and the second socket in sequence to lock the other end of the movable baffle with the side wall of the other side of the notch.

[0010] As a preferred solution, the latch is an L-shaped latch or a T-shaped latch.

[0011] As a preferred solution, the side walls of the first U-shaped member and the second U-shaped member are both provided with a notch connected to the accommodating groove, the notch on the first U-shaped member and the notch on the second U-shaped member are arranged opposite to each other, and an installation opening is formed between the notch on the first U-shaped member and the notch on the second U-shaped member, and the size of the installation opening is ≥ the size of the filter cotton.

[0012] As a preferred solution, a plurality of the first filter cotton mounting frames are provided, and the plurality of the first filter cotton mounting frames are arranged in the up-and-down direction.

[0013] As a preferred solution, at least one second filter cotton mounting frame is further provided in the filter cavity, the first filter cotton mounting frame and the second filter cotton mounting frame are arranged in the filter cavity in sequence along the flow direction of the exhaust gas, and the second filter cotton mounting frame includes the first U-shaped member and the second U-shaped member.

[0014] As a preferred solution, the outer wall of the box body is also provided with at least one box door for personnel to enter and exit the filter chamber.

[0015] As a preferred solution, two doors are provided, and the two doors include a first door and a second door which are spaced apart.

[0016] The utility model has obvious advantages and beneficial effects compared with the prior art. Specifically, by providing a first filter cotton mounting frame composed of a first U-shaped member and a second U-shaped member, a first U-shaped groove is provided on the first U-shaped member, and a second U-shaped groove corresponding to the first U-shaped groove is provided on the second U-shaped member. The first U-shaped groove and the second U-shaped groove form a receiving groove. A notch connected to the receiving groove is provided on the side wall of the first U-shaped member and / or the second U-shaped member. The notch can be used for loading or removing the filter cotton from the receiving groove, and an openable and closable movable baffle is provided at the notch. When replacing the filter cotton, the movable baffle is first opened, and then the old filter cottons in the receiving groove are removed from the notch one by one, and then the new filter cottons are loaded into the receiving groove from the notch one by one, and the new filter cottons are moved to a suitable position. Finally, the movable baffle is closed to complete the replacement. The use of the openable and closable movable baffle makes it more convenient to replace the filter cotton and the replacement efficiency is high.

[0017] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the external structure of an embodiment of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the internal structure of an embodiment of the utility model;

[0020] Figure 3 It is a top view of an embodiment of the utility model;

[0021] Figure 4 yes Figure 3 Schematic diagram of the cross section at AA;

[0022] Figure 5 yes Figure 3 Schematic diagram of the cross section at BB;

[0023] Figure 6 yes Figure 5 A partial enlarged schematic diagram of part C in the middle;

[0024] Figure 7 yes Figure 5 A partial enlarged schematic diagram of part D in the middle.

[0025] Description of the accompanying drawings:

[0026] 10-housing; 11-filter chamber; 12-exhaust gas inlet; 13-exhaust gas outlet; 14-first filter cotton mounting frame; 141-first U-shaped member; 142-second U-shaped member; 143-first U-shaped groove; 144-second U-shaped groove; 145-accommodating groove; 146-notch; 15-second filter cotton mounting frame; 16-movable baffle; 17-hinge; 171-first connecting plate; 172-second connecting plate; 18-locking assembly; 181-latch; 182-first socket; 183-second socket; 19-housing door; 191-first hobbing door; 192-second hobbing door. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] like Figure 1-7 As shown, the utility model discloses a dry filter, including a hollow box body 10, a filter chamber 11 is provided in the box body 10, an outer wall of the box body 10 is provided with an exhaust gas inlet 12 and an exhaust gas outlet 13 connected to the filter chamber 11, and at least one first filter cotton mounting frame 14 is provided in the filter chamber 11.

[0030] The first filter cotton mounting frame 14 includes a first U-shaped member 141 and a second U-shaped member 142 which are spaced apart from each other, the first U-shaped member 141 is provided with a first U-shaped groove 143, the second U-shaped member 142 is provided with a second U-shaped groove 144 corresponding to the first U-shaped groove 143, the first U-shaped groove 143 and the second U-shaped groove 144 are both arranged in a long strip shape, the first U-shaped groove 143 and the second U-shaped groove 144 form a receiving groove 145, the side walls of the first U-shaped member 141 and / or the second U-shaped member 142 are provided with a notch 146 which is connected to the receiving groove 145, the notch 146 can be used for the filter cotton (not shown) to be loaded into or removed from the receiving groove 145, and a movable baffle 16 which can be opened and closed is provided at the notch 146.

[0031] The first filter cotton mounting frames 14 are provided in plurality, and the plurality of first filter cotton mounting frames 14 are arranged in the up and down directions. Exemplarily, the first filter cotton mounting frames 14 are provided in three. Specifically, the first U-shaped member 141 is arranged above the second U-shaped member 142. It can be understood that the plurality of first filter cotton mounting frames 14 can also be arranged in the left and right directions, and the first U-shaped member 141 and the second U-shaped member 142 can also be arranged at intervals in the left and right directions.

[0032] The side walls of the first U-shaped member 141 and the second U-shaped member 142 are both provided with a notch 146 connected to the accommodating groove 145. The notch 146 on the first U-shaped member 141 and the notch 146 on the second U-shaped member 142 are arranged opposite to each other, and a mounting opening (not shown) is formed between the notch 146 on the first U-shaped member 141 and the notch 146 on the second U-shaped member 142. The size of the mounting opening is greater than or equal to the size of the filter cotton. Specifically, the length and width of the mounting opening are greater than or equal to the length and width of the filter cotton. When replacing the filter cotton, first open the movable baffle 16, remove the old filter cotton in the accommodating groove 145 from the notch 146, and then place the two ends of the new filter cotton in the notch 146 on the first U-shaped member 141 and the notch 146 on the second U-shaped member 142 respectively, and then move the filter cotton in the left and right directions so that the two ends of the filter cotton slide to the appropriate positions in the first U-shaped groove 143 and the second U-shaped groove 144 respectively, and finally close the movable baffle 16; the double notch 146 setting makes it more convenient to load or remove the filter cotton.

[0033] It should be noted that the utility model can also only set the notch 146 on the side wall of the first U-shaped member 141 or the second U-shaped member 142, that is, the filter cotton mounting frame adopts a single notch 146. For example, the notch 146 is set on the first U-shaped member 141. When replacing the filter cotton, first insert one end of the filter cotton into the second U-shaped groove 144, and then place the other end of the filter cotton in the notch 146.

[0034] At least one second filter cotton mounting frame 15 is further provided in the filter chamber 11. Exemplarily, three second filter cotton mounting frames 15 are provided. The first filter cotton mounting frame 14 and the second filter cotton mounting frame 15 are sequentially arranged in the filter chamber 11 along the flow direction of the exhaust gas. The second filter cotton mounting frame 15 includes the first U-shaped member 141 and the second U-shaped member 142.

[0035] The outer wall of the box body 10 is also provided with at least one box door 19 for personnel to enter and exit the filter chamber 11; by providing the box door 19, it is convenient for personnel to enter and exit the filter chamber 11 to replace the filter cotton. It can be understood that the exhaust gas outlet 13 can also be used for personnel to enter and exit the filter chamber 11 to replace the filter cotton.

[0036] The box doors 19 are provided with two, and the two box doors 19 include a first box door 191 and a second box door 192 which are spaced apart. The first box door 191 and the second box door 192 are located on the same side of the box body 10. The first box door 191 allows personnel to enter and exit the filter chamber 11 to replace the primary filter cotton on the first filter cotton mounting frame 14, and the second box door 192 allows personnel to enter and exit the filter chamber 11 to replace the medium-efficiency filter cotton on the second filter cotton mounting frame 15.

[0037] One end of the movable baffle 16 is rotatably connected to the side wall of one side of the notch 146, and the other end of the movable baffle 16 is locked with the other side wall of the notch 146 through a locking assembly 18. Specifically, the rotation centerline of the movable baffle 16 is set along the up-down direction; by setting one end of the movable baffle 16 to be rotatably connected to the side wall of one side of the notch 146, the other end of the movable baffle 16 is clamped with the other side wall of the notch 146 through a connecting piece, when the movable baffle 16 is opened, the locking state of the connecting assembly is released, thereby releasing the locking state of the other end of the movable baffle 16 with the other side wall of the notch 146, and the movable baffle 16 can be rotated, and the actions of closing the movable baffle 16 and opening the movable baffle 16 are opposite, so that the movable baffle 16 is easy to open and close, and the filter cotton is replaced efficiently.

[0038] One end of the movable baffle 16 is rotatably connected to a side wall of the notch 146 via a hinge 17. The hinge 17 includes a first connecting plate 171, a second connecting plate 172 and a connecting shaft (not shown). The first connecting plate 171 and the second connecting plate 172 are rotatably connected via a connecting shaft. The first connecting plate 171 is mounted on a side wall of the notch 146, and the second connecting plate 172 is mounted on one end of the movable baffle 16. The hinge 17 structure is adopted, which is easy to assemble and rotates smoothly.

[0039] The locking assembly 18 includes a latch 181, a first socket 182 and a second socket 183, wherein the first socket 182 is disposed on the other side wall of the notch 146, and the second socket 183 is disposed at the other end of the movable baffle 16, and the latch 181 is sequentially inserted into the first socket 182 and the second socket 183 so that the other end of the movable baffle 16 is locked with the other side wall of the notch 146; the locking assembly 18 composed of the latch 181, the first socket 182 and the second socket 183 is easy to insert and remove the latch 181 and easy to operate.

[0040] The latch 181 is an L-shaped latch 181 or a T-shaped latch 181 , preferably an L-shaped latch 181 .

[0041] The utility model provides a method for replacing filter cotton:

[0042] Take the replacement of medium-efficiency filter cotton as an example: the worker enters the filter chamber 11 from the second box door 192, pulls out the latch 181, releases the lock of the movable baffle 16, rotates the movable baffle 16, first moves the old medium-efficiency filter cotton in the accommodating groove 145 out of the notch 146 one by one, then installs the new medium-efficiency filter cotton into the accommodating groove 145 from the notch 146, and moves the new medium-efficiency filter cotton to the appropriate position, finally closes the movable baffle 16 and reinserts the latch 181 to lock the movable baffle 16 to complete the replacement of the medium-efficiency filter cotton, and the same applies to the replacement of the primary filter cotton.

[0043] The utility model provides a first filter cotton installation frame 14 composed of a first U-shaped member 141 and a second U-shaped member 142, a first U-shaped groove 143 is provided on the first U-shaped member 141, a second U-shaped groove 144 corresponding to the first U-shaped groove 143 is provided on the second U-shaped member 142, the first U-shaped groove 143 and the second U-shaped groove 144 surround a receiving groove 145, and a notch 146 connected to the receiving groove 145 is provided on the side wall of the first U-shaped member 141 and / or the second U-shaped member 142, and the notch 146 can be The filter cotton is provided for loading into or removing from the receiving groove 145, and an openable and closable movable baffle 16 is provided at the notch 146. When replacing the filter cotton, the movable baffle 16 is first opened, and then the old filter cottons in the receiving groove 145 are removed from the notch 146 one by one, and then the new filter cottons are loaded into the receiving groove 145 from the notch 146 one by one, and the new filter cottons are moved to a suitable position, and finally the movable baffle 16 is closed to complete the replacement. The use of the openable and closable movable baffle 16 makes it more convenient to replace the filter cotton and the replacement efficiency is high.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A dry filter, comprising a hollow box body, a filter cavity is arranged in the box body, an exhaust gas inlet and an exhaust gas outlet are arranged on the outer wall of the box body and communicated with the filter cavity, at least one first filter cotton mounting frame is arranged in the filter cavity, characterized in that: The first filter cotton mounting frame includes a first U-shaped member and a second U-shaped member arranged at a distance from each other, the first U-shaped member is provided with a first U-shaped groove, the second U-shaped member is provided with a second U-shaped groove corresponding to the first U-shaped groove, the first U-shaped groove and the second U-shaped groove are both arranged in a long strip shape, the first U-shaped groove and the second U-shaped groove form a receiving groove, the side walls of the first U-shaped member and / or the second U-shaped member are provided with a notch connected to the receiving groove, the notch can be used for the filter cotton to be loaded into or removed from the receiving groove, and a movable baffle that can be opened and closed is provided at the notch.

2. The dry filter according to claim 1, characterized in that: One end of the movable baffle is rotatably connected to one side wall of the notch, and the other end of the movable baffle is locked with the other side wall of the notch through a locking assembly.

3. The dry filter according to claim 2, characterized in that: One end of the movable baffle is rotatably connected to a side wall of the notch via a hinge.

4. The dry filter according to claim 2, characterized in that: The locking assembly includes a pin, a first socket and a second socket, the first socket is arranged on the side wall of the other side of the notch, and the second socket is arranged at the other end of the movable baffle, and the pin is inserted into the first socket and the second socket in sequence to lock the other end of the movable baffle with the side wall of the other side of the notch.

5. The dry filter according to claim 4, characterized in that: The latch is an L-shaped latch or a T-shaped latch.

6. The dry filter according to claim 1, characterized in that: The side walls of the first U-shaped member and the second U-shaped member are both provided with a notch connected to the accommodating groove, the notch on the first U-shaped member is arranged opposite to the notch on the second U-shaped member, and an installation opening is formed between the notch on the first U-shaped member and the notch on the second U-shaped member, and the size of the installation opening is ≥ the size of the filter cotton.

7. The dry filter according to claim 1, characterized in that: There are multiple first filter cotton mounting frames, and the multiple first filter cotton mounting frames are arranged in the up and down direction.

8. The dry filter according to claim 1, characterized in that: At least one second filter cotton mounting frame is also provided in the filter cavity. The first filter cotton mounting frame and the second filter cotton mounting frame are sequentially arranged in the filter cavity along the flow direction of the exhaust gas. The second filter cotton mounting frame includes the first U-shaped member and the second U-shaped member.

9. The dry filter according to any one of claims 1 to 8, characterized in that: The outer wall of the box body is also provided with at least one box door for personnel to enter and exit the filter chamber.

10. The dry filter according to claim 9, characterized in that The box doors are provided with two, and the two box doors include a first box door and a second box door which are spaced apart.

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