CN216771067U - A device for testing the performance of a bag filter - Google Patents

Abstract

The utility model discloses a performance testing device for a bag filter, comprising a test box body, a box cover is sleeved on the top of the test box body, a dust storage box is fixedly installed on the top of the box cover, and the dust storage box is The top of the test box is fixedly connected with a dust adding pipe that communicates with it, the bottom of the dust storage box is equidistantly installed with no less than four dust pipes that communicate with each other, and the left and right sides of the inner wall of the test box are symmetrically opened with Through openings, pressing mechanisms are fixedly installed on both sides of the test box body and below the corresponding through openings, and support plates are fixedly connected on both sides of the inner wall of the test box and below the corresponding through openings. The bag filter performance test device has a reasonable structure design and is easy to use. It can effectively test the filter quality before putting the filter cloth into the machine for use, preventing the poor quality of the filter cloth from affecting the service life of the equipment and filtering Effective, avoid unnecessary troubles and losses, and can meet multi-directional needs.

Description

A device for testing the performance of a bag filter

technical field

The utility model relates to the technical field of dust collectors, in particular to a performance testing device for a bag filter.

Background technique

The bag filter is a dry dust filter device, which is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt. The gas is filtered. When the dust-containing gas enters the bag filter, the dust with large particles and heavy specific gravity settles down due to the action of gravity and falls into the ash hopper. When the gas containing finer dust passes through the filter material, the dust is blocked. left to purify the gas.

The dust removal performance of the bag filter depends on the quality of the filter cloth. In the prior art, the performance of the filter cloth is not tested, and it is directly put into the machine for use. If the quality of the filter cloth is too poor, it will affect the performance of the equipment to a certain extent. The service life and filtering effect bring unnecessary trouble and loss. In Chinese patent CN201921743807.9, "a line-blown bag filter dust cleaning test system" is disclosed, which includes a pulse valve, and the ventilation unit includes a pulse valve and a pulse valve. The connected blowing pipe and a plurality of blowing ports, the test system has such features, including: a plurality of first detection units, which are arranged on the blowing pipe and correspond to each blowing port respectively, and each first testing unit is It has a first pressure sensor and an energy detector; and a filter bag simulation unit, communicated with the blowing port to simulate a filter bag, wherein the energy detector includes a guide tube, a lower edge arranged in the guide tube and used for pushing the blowing airflow. A moving member that moves in the longitudinal direction of the guide tube, an infrared displacement sensor for detecting the moving distance of the moving member, and a second pressure sensor for detecting the pressure in the guide tube.

To this end, we propose a bag filter performance testing device to solve the above-mentioned problems in the background art.

Utility model content

The purpose of this utility model is to provide a bag filter performance testing device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a bag filter performance testing device, including a test box body, the top of the test box body is sleeved with a box cover, and the top of the box cover is fixedly installed with a storage tank. A dust box, the top of the dust storage box is fixedly connected with a dust feeding pipe that communicates with it, and the bottom of the dust storage box is equidistantly installed with no less than four dust pipes that communicate with each other. The test box body The left and right sides of the inner wall are symmetrically provided with through openings, the two sides of the test box body and the lower part of the corresponding through opening are fixedly installed with a pressing mechanism, and the two sides of the inner wall of the test box and the lower part of the corresponding through opening are fixedly connected with A support plate, the top of the support plate is fixedly connected with insertion rods, the test cloth body is inserted on the two insertion rods, and the dust exhaust pipe connected to each other is fixedly installed at the center of the bottom of the test box, so Supporting legs are installed at the four corners of the bottom of the test box;

The pressing mechanism includes a fixing plate, the fixing plate is fixedly connected to the outer side of the test box, the left side of the top of the fixing plate is fixedly connected to a limit rod, and a pressing plate is movably connected to the limit rod, so the The right side of the pressing plate penetrates through the opening and extends to the inside of the test box, the pressing plate and the insertion rod are movably connected, and the bottom of the fixing plate and the right side of the corresponding limit rod are provided with a screw rod. The top of the screw penetrates the fixing plate and the pressing plate in sequence from bottom to top and extends to the outside of the pressing plate. The surface of the screw located inside the fixing plate is fixedly connected with an anti-detachment and rotation block. With the anti-rotation groove used in conjunction with it, the screw is connected with the pressing plate by screw thread.

Preferably, a handle is symmetrically installed on the top of the box cover, and a rocker is fixedly connected to the bottom end of the screw rod.

Preferably, a guide slope is fixedly connected to the bottom of the inner wall of the test box corresponding to the position of the dust discharge pipe, and a shielding cover is fixedly connected to the top of the inner wall of the box cover and corresponding to the position between the two pressing plates.

Preferably, a folding shade is fixedly connected to the top of the pressing plate and the interior of the corresponding through opening, and the top of the folding shade is fixedly connected to the top of the inner wall of the through opening.

Preferably, balls are provided on the outer side of the anti-detachment and rotation block, and the surfaces of the balls are movably connected with the inner wall of the anti-detachment and rotation groove.

Preferably, an iron ring is fixedly connected to the position of the test cloth body corresponding to the insertion rod.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. In the present utility model, after the box cover is opened, the test cloth body is inserted on the two insertion rods to form a preliminary fixation, and then the box cover is closed and the screw is rotated. Under the connection limit of the turning groove, the pressing plate screwed on it moves down vertically through the limit of the limit rod, and then is pressed and fixed from the top of the test cloth body. Dust particles of a certain diameter are added inside, and they are discharged by multiple dust pipes and scattered on the test cloth body, so that the filtering effect can be effectively observed, and the performance test can be realized. Finally, the dust can be discharged through the dust discharge pipe. The dust collector performance test device has a reasonable structure design and is easy to use. It can effectively test the filtration quality of the filter cloth before putting it into the machine for use. It avoids unnecessary troubles and losses, and can meet multi-directional needs.

2. The utility model is provided with a handle and a rocker, the handle is convenient for removing or installing the box cover, and the rocker is convenient for rotating the screw rod. By setting a guide slope and a shielding cover, the guide slope can guide the dust to the dust discharge pipe and discharge it. , to prevent accumulation, the cover can prevent the dust from spreading during the falling process. By setting up a folding curtain, it can prevent external dust and debris from infiltrating into the test box, which will affect the test accuracy. , the friction and wear between the outer side and the inner wall of the anti-detachment groove, by setting the iron ring, the cloth can be prevented from being pulled and deformed due to excessive load-bearing.

Description of drawings

Fig. 1 is the structural sectional view of the front view of the utility model;

Fig. 2 is a partial enlarged view of A-A in Fig. 1 of the utility model;

3 is a structural cross-sectional view of the front view of the pressing mechanism of the present invention.

In the picture: 1 test box, 2 box cover, 3 dust storage box, 4 dust adding pipe, 5 dust pipe, 6 port, 7 pressing mechanism, 71 fixing plate, 72 limit rod, 73 pressing plate, 74 screw rod, 75 anti-dropping block, 76 anti-dropping groove, 77 rocking handle, 78 folding curtain, 79 ball, 8 support plate, 9 insertion rod, 10 test cloth body, 11 dust exhaust pipe, 12 support leg, 13 Handle, 14 guide slope, 15 shield, 16 iron ring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-3, a bag filter performance test device, including a test box 1, the top of the test box 1 is sleeved with a box cover 2, and a dust storage box 3 is fixedly installed on the top of the box cover 2. Dust storage The top of the box 3 is fixedly connected with a dust adding pipe 4 that communicates with it. The bottom of the dust storage box 3 is equidistantly installed with no less than four dust pipes 5 that communicate with each other. The left and right sides of the inner wall of the test box 1 are symmetrical. A through port 6 is provided, a pressing mechanism 7 is fixedly installed on both sides of the test box 1 and below the corresponding through port 6, and a support plate 8 is fixedly connected on both sides of the inner wall of the test box 1 and below the corresponding through port 6, The top of the support plate 8 is fixedly connected with an insertion rod 9, and a test cloth body 10 is inserted on the two insertion rods 9. The central position of the bottom of the test box 1 is fixedly installed with a dust exhaust pipe 11 that communicates with it. The test box The four corners of the bottom of the body 1 are provided with support legs 12 .

The pressing mechanism 7 includes a fixing plate 71, the fixing plate 71 is fixedly connected to the outer side of the test box 1, the left side of the top of the fixing plate 71 is fixedly connected with a limit rod 72, and the limit rod 72 is movably connected with a pressing plate 73, which presses the The right side of the tightening plate 73 penetrates through the through port 6 and extends into the interior of the test box 1. The tightening plate 73 and the insertion rod 9 are movably connected. The bottom of the fixing plate 71 and the right side of the corresponding limit rod 72 are provided with a screw 74. The top end of the screw 74 penetrates the fixing plate 71 and the pressing plate 73 from bottom to top and extends to the outside of the pressing plate 73. The surface of the screw 74 inside the fixing plate 71 is fixedly connected with the anti-disconnection block 75, and the fixed plate 71 corresponds to the anti-disconnection The position of the rotating block 75 is provided with an anti-disengagement groove 76 for use with it, and the screw rod 74 and the pressing plate 73 are screwed together.

Specifically, a handle 13 is symmetrically installed on the top of the box cover 2, and a rocker 77 is fixedly connected to the bottom end of the screw 74. By arranging the handle 13 and the rocker 77, the handle 13 is convenient to remove or install the box cover 2, and the rocker 77 It is convenient to rotate the screw 74 .

Specifically, a guide slope 14 is fixedly connected to the bottom of the inner wall of the test box 1 corresponding to the position of the dust exhaust pipe 11 , and a shielding cover 15 is fixedly connected to the top of the inner wall of the box cover 2 corresponding to the position between the two pressing plates 73 . The guiding slope 14 and the shielding cover 15, the guiding slope 14 can guide the dust to the dust discharge pipe 11 to be discharged to prevent accumulation, and the shielding cover 15 can prevent the dust from spreading during the falling process.

Specifically, a folding shade 78 is fixedly connected to the top of the pressing plate 73 and corresponding to the inside of the opening 6, and the top of the folding shade 78 is fixedly connected to the top of the inner wall of the opening 6. By setting the folding shade 78, the outside dust and sundries are prevented. Infiltrate into the test box 1, affecting the test accuracy.

Specifically, a ball 79 is provided on the outer side of the anti-detachment and rotation block 75, and the surface of the ball 79 is movably connected to the inner wall of the anti-rotation and rotation groove 76. By arranging the ball 79, the outer side of the anti-detachment rotation block 75 is reduced when it rotates. Friction and wear between the inner walls of the release groove 76 .

Specifically, an iron ring 16 is fixedly connected to the position of the test cloth body 10 corresponding to the insertion rod 9. By setting the iron ring 16, the cloth can be prevented from being pulled and deformed due to excessive load bearing.

The bag filter performance test device has a reasonable structure design and is easy to use. It can effectively test the filter quality before putting the filter cloth into the machine for use, preventing the poor quality of the filter cloth from affecting the service life of the equipment and filtering Effective, avoid unnecessary troubles and losses, and can meet multi-directional needs.

When in use, after opening the box cover 2, insert the test cloth body 10 on the two insertion rods 9 to form a preliminary fixation, then cover the box cover 2, and rotate the screw 74. Under the limit of connection with the anti-detachment groove 76, the pressing plate 73 threadedly connected to it moves vertically downward through the limit of the limit rod 72, and then is pressed and fixed from the top of the test cloth body 10. The dust adding pipe 4 adds dust particles of a certain diameter into the dust storage box 3, and is discharged by a plurality of dust pipes 5, and scattered on the test cloth body 10, the filtering effect can be effectively observed, and the performance test can be realized. The dust can be discharged through the dust discharge pipe 11 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A bag filter performance testing device, comprising a test box (1), characterized in that: the top of the test box (1) is sleeved with a box cover (2), and the top of the box cover (2) is sleeved. A dust storage box (3) is fixedly installed on the top, the top of the dust storage box (3) is fixedly connected with a dust feeding pipe (4) which is communicated with each other, and the bottom of the dust storage box (3) is equidistantly installed with different distances. There are less than four dust pipes (5) communicating with each other, the left and right sides of the inner wall of the test box (1) are symmetrically provided with through openings (6), and the two sides of the test box (1) correspond to the A pressing mechanism (7) is fixedly installed below the port (6), and support plates (8) are fixedly connected to both sides of the inner wall of the test box (1) and below the corresponding through port (6). The top of the board (8) is fixedly connected with an insertion rod (9), a test cloth body (10) is inserted on the two insertion rods (9), and a central position of the bottom of the test box (1) is fixedly installed. With the dust exhaust pipe (11) communicating with each other, the four corners of the bottom of the test box body (1) are provided with support legs (12); The pressing mechanism (7) includes a fixing plate (71), the fixing plate (71) is fixedly connected to the outer side of the test box (1), and the left side of the top of the fixing plate (71) is fixedly connected to a limit rod (72), a pressing plate (73) is movably connected to the limiting rod (72), and the right side of the pressing plate (73) passes through the through opening (6) and extends to the inside of the test box (1). , the pressing plate (73) and the insertion rod (9) are movably connected, the bottom of the fixing plate (71) and the right side of the corresponding limit rod (72) are provided with a screw (74), the screw ( The top of 74) penetrates the fixing plate (71) and the pressing plate (73) from bottom to top and extends to the outside of the pressing plate (73). The rotation block (75), the fixed plate (71) is provided with an anti-detachment rotation groove (76) used in cooperation with the position corresponding to the anti-detachment rotation block (75), and the screw (74) is connected to the pressing plate (73) threaded connection between. 2 . The device for testing the performance of a bag filter according to claim 1 , wherein a handle ( 13 ) is symmetrically installed on the top of the box cover ( 2 ), and the bottom end of the screw rod ( 74 ) is fixedly connected. 3 . With crank handle (77). 3. The device for testing the performance of a bag filter according to claim 2, wherein the bottom of the inner wall of the test box (1) is fixedly connected with a guide slope (14) at the position corresponding to the dust discharge pipe (11). A shielding cover (15) is fixedly connected to the top of the inner wall of the box cover (2) and corresponding to the position between the two pressing plates (73). 4. The device for testing the performance of a bag filter according to claim 3, characterized in that: a folding blind (78) is fixedly connected to the top of the pressing plate (73) and to the interior of the corresponding through port (6), The top of the folding shade (78) is fixedly connected with the top of the inner wall of the through opening (6). 5. The device for testing the performance of a bag filter according to claim 4, characterized in that: the outer side of the anti-rotation block (75) is provided with a ball (79), and the surface of the ball (79) is in contact with the anti-rotation block (75). The inner wall of the release groove (76) is movably connected. 6 . The device for testing the performance of a bag filter according to claim 5 , wherein an iron ring ( 16 ) is fixedly connected to the position of the test cloth body ( 10 ) corresponding to the insertion rod ( 9 ). 7 .

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