A dust bin high-pressure blowing unblocking device with a one-way valve filter screen
By introducing one-way valve filters and staggered air blowing pipes into the dust collection hopper, the problems of hopper blockage and dust backflow were solved, achieving efficient dust collection and equipment safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INNER MONGOLIA JUNZHENG CHEM IND CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-07-21
AI Technical Summary
The dust hoppers of existing dust collectors are prone to clogging, resulting in limited cleaning effectiveness and failure to prevent dust backflow, which affects equipment safety and normal operation.
The dust removal silo high-pressure jet cleaning device with a one-way valve filter screen is adopted. It includes a protective block, a reset spring, an adsorption magnet, a hemispherical filter screen and a one-way valve, forming a double anti-backflow structure. It achieves multi-angle dust removal through staggered air blowing pipes and electric push rods.
It effectively prevents dust backflow, ensures unobstructed air blowing pipes, avoids dust removal dead corners, and improves dust removal efficiency and equipment safety.
Smart Images
Figure CN224524304U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dust collector technology, and in particular to a high-pressure jet cleaning device for dust collector ash silos with a one-way valve filter screen. Background Technology
[0002] The ash hopper of a dust collector is a key component for ash discharge. If the ash discharge process is not smooth, ash blockage, bridging, and caking can easily occur in the ash hopper. This not only seriously pollutes the on-site environment, but also causes short circuits and tripping of the electric field due to high material levels in the ash hopper for a long time, which seriously threatens the operational safety of the ash hopper and the normal operation of the unit. Accidents of ash hopper collapse due to excessive ash accumulation have also occurred in power plants in China.
[0003] The prior art publication number "CN219702266U" discloses "Anti-clogging device for dust collector hopper", which has three ways to avoid dust blockage, thereby achieving the technical effect of efficient dust discharge.
[0004] Regarding the above-mentioned and existing related technologies, the inventors believe that the following defects often exist:
[0005] This solution cleans the inner wall using air pressure inlets. However, the air pressure inlets can only clean fixed locations, resulting in limited cleaning effectiveness. Furthermore, it cannot guarantee that dust will not backflow into the air pressure inlets during use. If dust does backflow, it will clog the air pressure delivery pipe, requiring maintenance by staff. Utility Model Content
[0006] The technical problem to be solved by this utility model is that the existing technology has the disadvantages of limited cleaning effect, inability to prevent dust backflow, and the need for maintenance of the conveying pipe. To this end, we propose a high-pressure jet cleaning device for dust silos with a one-way valve filter screen.
[0007] To achieve the above objectives, this application adopts the following technical solution: a high-pressure jet cleaning device for a dust collection silo with a one-way valve filter screen, comprising a dust collection silo body and a vibration motor: a dust outlet is connected to the bottom of the dust collection silo body, a fixed block is connected to the middle of the dust collection silo body, an electric push rod is connected above the fixed block, a support block is connected above the electric push rod, an air pump is connected to one side of the support block, an air blowing pipe is connected to the inner side of the air pump, and an anti-backflow mechanism is provided inside the air blowing pipe.
[0008] Preferably, the anti-backflow mechanism includes a protective block, a return spring, a connecting block, an adsorption magnet, a hemispherical filter, and a one-way valve. The protective block is located on one side of the air blowing pipe, and the protective block cooperates with the air blowing pipe to prevent dust from backflowing when not in use.
[0009] Preferably, the inner side of the protective block is provided with multiple magnets, and the magnets and the adsorption magnets form a magnetic attraction structure. The adsorption magnets are evenly and equidistantly distributed around the center of the air blowing pipe. The magnetic attraction mechanism is used for initial backtracking to ensure that the protective block is automatically closed.
[0010] Preferably, a reset spring is also connected to the center of the protective block. The protective block and the connecting block form a spring reset structure through the reset spring. The connecting block and the air blowing pipe are installed as an integral part. The reset spring enables the protective block to perform secondary limiting and automatically closes the air blowing pipe after use.
[0011] Preferably, the one-way valve is located at the center of the air blowing pipe, and a hemispherical filter screen is connected to one side of the one-way valve. The diameter of the hemispherical filter screen is the same as the inner wall diameter of the air blowing pipe. The one-way valve and the hemispherical filter screen provide secondary protection for the air blowing pipe when the service life of the return spring expires.
[0012] Preferably, the air blowing pipes are distributed on both sides of the center of the dust removal chamber body. The air blowing pipes are divided into two groups of three, and the two groups of different air blowing pipes are staggered. The angle between the air blowing pipes and the dust removal chamber body is less than 30°. The angle causes the air blowing pipes to blow towards the dust outlet below, ensuring the dust removal effect.
[0013] Preferably, an air pump is connected to the other side of the air blowing pipe. The air blowing pipe and the air pump are fixed by support blocks. The number of support blocks is the same as the number of air blowing pipes. The support blocks fix the air pump and the air blowing pipe to prevent them from moving during use.
[0014] Preferably, the fixing block and the dust collection chamber body are installed as an integral unit. The fixing block and the support block form an automatic lifting structure through an electric push rod. A micro motor is set in the center of the fixing block. By cooperating with the electric push rod, the angle can be temporarily changed to carry out dust collection work at different positions.
[0015] The technical effects and advantages of this utility model are as follows:
[0016] In this invention, a double anti-backflow structure is provided to prevent dust from flowing back into the air blowing pipe: a protective block and a return spring are provided so that the protective block automatically resets when the air blowing pipe stops working, preventing dust from flowing back in. Furthermore, an adsorption magnet is used to assist in adsorption, extending the service life of the return spring. In addition, a one-way valve and a hemispherical filter are provided inside to protect against dust from flowing back in during operation.
[0017] In this invention, the blowing angle can be changed to ensure the dust removal effect: by setting staggered fixed blocks and blowing pipes on both sides of the center of the dust removal chamber body, the angle of the blowing pipes can be changed by the electric push rod, so as to carry out dust removal work on the inner side of the dust removal chamber body at different angles. Moreover, the staggered distribution of the two rows of blowing pipes eliminates dust removal dead corners and avoids dust accumulation. Attached Figure Description
[0018] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:
[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;
[0020] Figure 2 This is a three-dimensional structural diagram of the air blowing pipe of this utility model;
[0021] Figure 3 This is a schematic diagram of the explosive structure of the air blowing pipe of this utility model;
[0022] Figure 4 This is a front view structural diagram of the air blowing pipe of this utility model.
[0023] Legend: 1. Dust collection chamber main body; 2. Anti-backflow mechanism; 201. Protective block; 202. Return spring; 203. Connecting block; 204. Adsorption magnet; 205. Hemispherical filter screen; 206. One-way valve; 3. Air blowing pipe; 4. Vibration motor; 5. Dust outlet; 6. Fixing block; 7. Electric push rod; 8. Support block; 9. Air pump. Detailed Implementation
[0024] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0025] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, this utility model provides a technical solution: a high-pressure jet cleaning device for a dust collection silo with a one-way valve filter screen, including a dust collection silo body 1 and a vibration motor 4: a dust outlet 5 is connected to the bottom of the dust collection silo body 1, a fixing block 6 is connected to the middle of the dust collection silo body 1, an electric push rod 7 is connected above the fixing block 6, a support block 8 is connected above the electric push rod 7, an air pump 9 is connected to one side of the support block 8, and an air blowing pipe 3 is also connected to the inner side of the air pump 9. An anti-backflow mechanism 2 is provided inside the air blowing pipe 3.
[0026] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in this embodiment: the anti-backflow mechanism 2 includes a protective block 201, a return spring 202, a connecting block 203, an adsorption magnet 204, a hemispherical filter 205, and a one-way valve 206. The protective block 201 is located on one side of the air blowing pipe 3. The protective block 201 cooperates with the air blowing pipe 3 to prevent dust from backflowing when not in use. Multiple magnets are distributed on the inner side of the protective block 201, and the magnets and the adsorption magnet 204 form a magnetic adsorption structure. The adsorption magnet 204 is evenly distributed around the center of the air blowing pipe 3. The magnetic adsorption mechanism performs initial backflow to ensure that the protective block 201 automatically closes. The center of the protective block 201 is also connected to the return spring 202. The protective block 201 and the connecting block 203 form a spring return structure through the return spring 202. The connecting block 203 is installed as an integral part of the air blowing pipe 3. The return spring 202 enables the protective block 201 to perform secondary limit, and the air blowing pipe 3 is automatically closed after use.
[0027] Reference Figure 1 and Figure 4 As shown in this embodiment: the one-way valve 206 is located at the center of the air blowing pipe 3. A hemispherical filter screen 205 is also connected to one side of the one-way valve 206. The diameter of the hemispherical filter screen 205 is the same as the inner wall diameter of the air blowing pipe 3. The one-way valve 206 and the hemispherical filter screen 205 are used for secondary protection. When the service life of the return spring 202 expires, it provides secondary protection for the air blowing pipe 3.
[0028] Reference Figure 1 and Figure 2 As shown in this embodiment: the air blowing pipes 3 are distributed on both sides of the center of the dust removal chamber body 1. The air blowing pipes 3 are in groups of three, and there are two groups of three air blowing pipes 3. The two groups of different air blowing pipes 3 are arranged in an alternating structure. The angle between the air blowing pipes 3 and the dust removal chamber body 1 is less than 30°. The angle causes the air blowing pipes 3 to blow towards the dust outlet 5 below, ensuring the dust removal effect.
[0029] Reference Figure 1 and Figure 2As shown in this embodiment: an air pump 9 is connected to the other side of the air blowing pipe 3. The air blowing pipe 3 and the air pump 9 are fixed by support blocks 8. The number of support blocks 8 is the same as the number of air blowing pipes 3. The support blocks 8 fix the air pump 9 and the air blowing pipe 3 to prevent them from moving during use. The fixing block 6 is installed as an integral part of the dust collection chamber body 1. The fixing block 6 and the support block 8 form an automatic lifting structure through the electric push rod 7. A micro motor is set in the center of the fixing block 6. By using the fixing block 6 and the electric push rod 7, the angle can be temporarily changed to carry out dust collection work at different positions.
[0030] Working principle: First, during use, the dust collection chamber body 1 performs dust collection. The vibration motor 4 is located on both sides of its surface to perform shock absorption and dust collection. At the same time, the air pump 9 is turned on, so that the air pump 9 starts to spray high-pressure air into the dust collection chamber body 1 through the air blowing pipe 3. At this time, the high-pressure gas impacts the protective block 201, causing the protective block 201 to pop out and start the dust collection work. After the dust collection work is completed, the air pump 9 is turned off, the high-pressure gas disappears, and the protective block 201 is reset under the action of the return spring 202. At this time, the magnet on the inside of the protective block 201 and the adsorption magnet 204 attract each other, sealing the air blowing pipe 3.
[0031] As mentioned above, during use, if some dust flows back into the air blowing pipe 3, the hemispherical filter 205 blocks this dust, and the one-way valve 206 performs a secondary closure to prevent dust backflow. When the wind force decreases, the dust automatically resets under the action of gravity. If it is necessary to clean dust in different locations, the height of the support block 8 can be changed by the electric push rod 7, thereby changing the height of the air pump 9 and the air blowing pipe 3, and thus changing the angle between the air blowing pipe 3 and the dust collection chamber body 1, thereby blowing different areas.
[0032] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.
Claims
1. A high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen, characterized in that, The device includes a dust collection chamber body and a vibration motor. The bottom of the dust collection chamber body is connected to a dust outlet, the middle of the dust collection chamber body is connected to a fixed block, an electric push rod is connected above the fixed block, a support block is connected above the electric push rod, an air pump is connected to one side of the support block, and an air blowing pipe is connected to the inside of the air pump. The air blowing pipe is equipped with an anti-backflow mechanism.
2. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 1, characterized in that: The anti-backflow mechanism includes a protective block, a return spring, a connecting block, an adsorption magnet, a hemispherical filter, and a one-way valve. The protective block is located on one side of the air blowing pipe.
3. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 2, characterized in that: The inner side of the protective block is provided with multiple magnets, and the magnets and the adsorption magnets form a magnetic adsorption structure. The adsorption magnets are evenly and equidistantly distributed around the center of the air blowing pipe.
4. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 3, characterized in that: A reset spring is also connected to the center of the protective block. The protective block and the connecting block together form a spring reset structure. The connecting block and the air blowing pipe are installed as an integral part.
5. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 4, characterized in that: The one-way valve is located at the center of the air blowing pipe, and a hemispherical filter screen is connected to one side of the one-way valve. The diameter of the hemispherical filter screen is the same as the inner wall diameter of the air blowing pipe.
6. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 1, characterized in that: The air blowing pipes are distributed on both sides of the center of the dust removal chamber. The air blowing pipes are divided into two groups of three, and the two groups of different air blowing pipes are arranged in an alternating structure. The angle between the air blowing pipes and the dust removal chamber is less than 30°.
7. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 1, characterized in that: An air pump is connected to the other side of the air blowing pipe. The air blowing pipe and the air pump are fixed by support blocks, and the number of support blocks is the same as the number of air blowing pipes.
8. The high-pressure jet cleaning device for dust collection silos with a one-way valve filter screen according to claim 1, characterized in that: The fixing block is integrated with the main body of the dust removal chamber. The fixing block and the support block form an automatic lifting structure through an electric push rod. A micro motor is set in the center of the fixing block.