CN116943385A - Regenerated concrete prepares dust collector - Google Patents

Abstract

The invention discloses a dust removal device for preparing recycled concrete, which includes a dust removal box, a filter material frame and a fixed plate. A filter material frame is installed between the dust removal box and the fixed plate, and a dust scraping frame is installed on the outside of the filter material frame. , there are mounting grooves symmetrically provided on the top inner side and the bottom wall of the dust removal box, an electric telescopic rod is installed on the inner side of the installation groove, and an adsorption frame is installed on the output end of the electric telescopic rod. In the present invention, a dust scraper frame is installed on the outside of the filter material frame. Preparation materials with large particles and heavy specific gravity in the dust adhere to the surface of the coarse filter screen. The dust scraper motor drives the threaded rod to rotate so that the moving block slides and connects on the inside of the moving groove. The frame moves back and forth in the vertical direction. The scraper plate drives the anti-scratch rubber plate to contact the surface of the coarse filter screen and scrape off the material particles attached to the surface. The scraping and automatic discharge of the attached material ensures the filter's Good use effect avoids the waste of recycled concrete preparation materials.

Description

A dust removal device for recycled concrete preparation

Technical field

The invention relates to the technical field of recycled concrete production, specifically a dust removal device for preparing recycled concrete.

Background technique

Recycled concrete usually uses waste gas concrete blocks to crush, clean and classify them and then mix them with grading according to a certain proportion. It partially or fully replaces natural aggregates such as sand and gravel, and then adds cement, water, etc. to form new concrete. The production process of recycled concrete A dust removal device is required to remove dust from the powder floating out from the top to prevent pollution to the external production environment.

The shortcomings of dust removal devices in the prior art are:

1. Patent document CN212632088U discloses a concrete dust removal device, which “comprises a dust chamber with a cavity inside supported by a support frame. The dust chamber is provided with an air inlet and an air outlet, and the air inlet is connected with an air inlet pipe. , the air outlet is connected with an air outlet pipe, the lower end of the dust chamber is provided with a dust outlet, and the dust chamber is detachably connected to a dust collecting bin with an upper end opening at the dust outlet; the cavity of the dust chamber There is a filtering mechanism for filtering the gas containing dust. The filtering mechanism is located above the air inlet and below the air outlet. The filtering mechanism includes a filter screen and a driving filter screen arranged in the cavity of the dust chamber. It has the advantage of automatically shaking off the dust to improve the efficiency of the dust collector." This dust removal device uses vibration to shake off the filter dust attached to the surface of the filter screen. The treatment effect on the attached dust is not good and cannot Ensure good use of the filter.

2. Patent document CN213823864U discloses a ventilation and dust removal device for the production of commercial recycled concrete, "It includes a ventilation box, and a ventilation chamber and a dust collection chamber are provided in the interior of the ventilation box from top to bottom. The ventilation chamber A driving motor is fixed on the inner wall of one side, and the output end of the driving motor is connected to a rotating shaft. The end of the rotating shaft away from the driving motor is rotatably connected to the inner wall on the other side of the ventilation cavity through a bearing. The end of the rotating shaft is far away from the driving motor. The outer wall is fixedly sleeved with fan blades. The utility model can efficiently ventilate the concrete production environment, collect dust filtered by the ventilation and dust removal device, and can simply and conveniently clean the dust removal components of the ventilation and dust removal device. It can be disassembled and cleaned, the ventilation and dust removal efficiency is fast, the working performance is high, and it is easy to use." This dust removal device cannot perform dust reduction treatment on the gas generated during the production of recycled concrete, and the discharge of fine dust in the gas can easily cause damage to workers.

3. Patent document CN210332017U discloses a concrete dust removal device, which “includes an air inlet device, a dust removal chamber and an air exhaust port. The air inlet device is located at the lower end of one side of the dust removal chamber, and the air exhaust port is located at the upper end of the other side of the dust removal chamber. , the air inlet device includes an inlet, a defogging device, a first fan and a ventilation duct. The defogging device is equipped with a fan, an electric heating wire, a cylindrical air duct and an air duct interlayer. The air duct interlayer is located on the inner wall side of the cylindrical air duct, and the electric heating The wire is wrapped around the interlayer of the air duct, and the electric heating wire is connected to the power supply. The dust removal chamber includes a plurality of first dustproof cloths and second dustproof cloths. The first dustproof cloth is fixed on the top of the dust removal chamber, and the second dustproof cloth is fixed on the top of the dust removal chamber. On the bracket in the dust removal chamber, the concrete dust removal device also includes a dust collector. The concrete dust removal device of the present utility model can first defogging the gas to be dusted to reduce the moisture content in the air, and then carry out the dust removal process to enhance dust removal. The dust removal efficiency and service life of the cloth." This dust removal device cannot adsorb odors to the gases in the concrete production process, which reduces the purification effect of the gases. The discharge of the gases can easily cause pollution to the external processing environment.

4. Patent document CN210302769U discloses a commercial dust removal equipment, "including: a shell, an air inlet duct, an air outlet duct, an air guide groove and a slag discharge port; the casing includes an upper tube body, a tapered tube body and a lower tube body. The tube body and the lower tube body are both cylindrical tube bodies, the tapered tube body is a tapered tube, the upper tube body, the tapered tube body and the lower tube body are arranged vertically from top to bottom and connected in sequence, and the air inlet pipe is fixed on the upper tube On the outer wall of the body, the air outlet pipe is a cylindrical tubular structure. The air outlet pipe penetrates from the center of the upper end surface of the upper pipe body and extends to the middle of the tapered pipe body. The air guide groove is an arc-shaped groove with a spiral structure, and the air guide groove is The spiral diameter matches the shell, the air guide groove is fixed on the inner wall of the shell, the notch of the air guide groove faces the inside of the shell, and the lower end of the lower tube body is provided with a slag discharge port for dust output." The gas purified by the dust removal equipment is discharged When the air duct is discharged, the flow rate is too fast and the sound is loud, which will cause noise pollution.

Contents of the invention

The object of the present invention is to provide a dust removal device for preparing recycled concrete to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: a dust removal device for preparing recycled concrete, including a dust removal box, a filter material frame and a fixed plate. A fixed plate is installed on the inner wall of the dust removal box, and the dust removal box and the fixed plate A filter frame is installed between them. A scraper frame is installed on the outside of the filter frame. A limit frame is installed on the outside of the filter frame. A conveyor tube is installed on the bottom of the fixed plate. The top of the dust box Installation slots are symmetrically provided on the inner side and the bottom wall. An electric telescopic rod is installed on the inner side of the installation slot, and an adsorption frame is installed at the output end of the electric telescopic rod.

Preferably, a coarse filter is installed on the inside of the filter frame, a threaded rod is installed on the inside of the dust scraping frame, a dust scraping motor is installed on the top of the dust scraping frame, and the output end of the dust scraping motor is connected to the input end of the threaded rod. connection, a moving block is installed on the outside of the threaded rod, a moving groove is provided on the inner wall of the dust scraping frame, and the moving block is fitted and installed on the inside of the moving groove, a sliding block is fitted on the inside of the limit frame, and the outside of the moving block A connecting frame is installed, a scraper plate is installed on the side of the connecting frame close to the filter frame, and an anti-scratch rubber plate is installed on the inside of the scraper plate.

Preferably, a hollow cylinder is installed on the inside of the dust removal box, a rotating motor is installed on the top of the dust removal box, and the output end of the rotating motor is connected to the input end of the hollow cylinder. A dust-reducing spray cover is installed on the outside of the hollow cylinder, and a dust-reducing port is installed. Matched with dust suppression spray hood.

Preferably, a buffer spring is provided on the outside of the electric telescopic rod, a chute is provided on the inner wall of the installation groove, and the adsorption frame is fitted and installed on the inside of the chute. A flow port is provided on the outside of the adsorption frame, and the flow port is A fine filter is installed inside, and activated carbon particles are installed inside the adsorption frame.

Preferably, the other end of the connecting frame is connected to the outside of the sliding block, the output end of the water pump is connected to the inside of the hollow cylinder through a pipe, and the outer end of the buffer spring is connected to the outside of the adsorption frame.

Preferably, an air inlet is provided on the outside of the dust removal box, a discharge pipe is installed on the outside of the dust removal box, an operating door is installed on the front of the dust removal box through a hinge, an observation window is provided on the front of the operating door, and an observation window is installed on the front of the operating door. There is a handle, a mounting plate is installed on the inner wall of the dust removal box, and a dust suction fan is installed on the outside of the mounting plate.

Preferably, the top of the fixed plate is provided with a blanking port, the inside of the conveyor tube is equipped with a screw conveyor rod, the top of the fixed plate is provided with a dust removal port, the bottom of the fixed plate is equipped with a water pump, and the bottom wall of the dust removal box is installed with Dust box, and the dust box is located below the fixed plate. A conveying motor is installed on the inner wall of the dust box, and the output end of the conveying motor is connected to the input end of the screw conveyor rod. A filter cotton is provided inside the dust box, and below the filter cotton Equipped with absorbent cotton.

Preferably, an exhaust pipe is installed on the outside of the dust removal box, a sound-absorbing panel is installed on the inner wall of the exhaust pipe, a slow-flow plate is installed on the opposite side of the sound-absorbing plate, and a curved exhaust port is provided through the outside of the slow-flow plate. .

Preferably, the working steps of the dust removal device are as follows:

S1. First, the dust suction fan is operated to extract the dust generated during the preparation of recycled concrete through the air inlet. The dust enters the inside of the dust removal box for dust removal. The coarse filter screen filters the preparation materials with large particles and heavy specific gravity in the dust. The gas with fine dust continues to circulate after being filtered by two sets of coarse filters;

S2. The water pump operates to extract water from the dust box. The water enters the inside of the hollow cylinder through the pipe and is sprayed out through the dust suppression spray hood to suppress the fine dust in the gas. The rotating motor drives the hollow cylinder to continue rotating, which increases dust reduction. The contact range between water and dust in the gas, the dust-falling water falls into the dust-falling box, the filter cotton and adsorption cotton filter the impurities in the dust-falling water, and the purified water drops into the dust-falling box for recycling;

S3. The operation of the electric telescopic rod drives the adsorption frame to reciprocate in the horizontal direction on the inside of the chute. The buffer spring buffers the reciprocating impact force when the electric telescopic rod is working. The electric telescopic rod drives the adsorption frame to reciprocate and shake to make the activated carbon in the adsorption frame The particles flip back and forth, and the dust-reduction treated gas enters the vacuum fan after absorbing odors through the activated carbon particles in the adsorption frame.

Preferably, step S1 also includes the following steps:

S11. Preparation materials with large particles in the dust and heavy specific gravity adhere to the surface of the coarse filter. The dust scraping motor drives the threaded rod to rotate. The rotation of the threaded rod causes the moving block to slide on the inside of the moving groove to drive the connecting frame to reciprocate in the vertical direction. During the movement of the moving block, the sliding block is driven by the connecting frame to slide inside the limiting frame, ensuring the synchronous stability when the connecting frame moves. The scraper plate drives the anti-scratch rubber plate to contact and adhere to the surface of the coarse filter screen. The material particles are scraped off, and the scraped material particles fall into the conveyor tube through the discharge port;

S12. After a certain period of time, the conveying motor runs to drive the screw conveying rod to rotate, and the material particles in the conveying cylinder are discharged from the discharge pipe by the screw conveying rod under the action of the screw transmission;

In the step S3, the following steps are also included:

S31. The purified dust gas is discharged through the exhaust pipe. The sound-absorbing panels and slow-flow plates muffle the discharged air flow, reducing the noise generated when the gas flows. The flow rate of the gas continues to slow down as it flows in the curved exhaust port. Until it is discharged to the outside world.

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

1. In the present invention, a dust scraper frame is installed on the outside of the filter material frame. Preparation materials with large particles in the dust and heavy specific gravity are attached to the surface of the coarse filter screen. The dust scraper motor drives the threaded rod to rotate, and the threaded rod rotates to make the moving block move on the filter screen. The inner side of the moving groove slides to drive the connecting frame to reciprocate in the vertical direction. The scraper plate drives the anti-scratch rubber plate to contact the surface of the coarse filter screen and scrape off the material particles attached to the surface. The scraped material particles are blanked. The mouth falls into the conveyor tube, and the operation of the conveyor motor drives the screw conveyor rod to rotate. The material particles in the conveyor tube are discharged from the discharge pipe by the screw conveyor rod under the action of the screw drive. The scraping and automatic discharge of attached materials ensure filtration. The good use effect of the net avoids the waste of recycled concrete preparation materials.

2. In the present invention, a hollow cylinder is installed inside the dust removal box, and the water pump is operated to extract the water in the dust box. The water enters the inside of the hollow cylinder through the pipe and is sprayed out through the dust reduction spray cover to reduce the fine dust in the gas. The operation of the rotating motor drives the continuous rotation of the hollow cylinder, which increases the contact range between the dust-falling water and the dust in the gas. The dust-falling water falls to the inside of the dust-falling box. The filter cotton and adsorption cotton filter the impurities in the dust-falling water, and the purified water drops fall to the dust-falling box. The inside of the box is recycled, and the all-round adsorption and dust reduction of dust in the gas enhances the purification effect of the dust removal device.

3. In the present invention, an adsorption frame is installed at the output end of the electric telescopic rod. The operation of the electric telescopic rod drives the adsorption frame to reciprocate in the horizontal direction inside the chute. The buffer spring buffers the reciprocating impact force of the electric telescopic rod during operation. , the electric telescopic rod drives the adsorption frame to rock back and forth, causing the activated carbon particles in the adsorption frame to flip back and forth. The gas after dust reduction treatment enters the dust collection fan after absorbing odors through the activated carbon particles in the adsorption frame, which increases the interaction between the activated carbon particles and dust gas. The contact area ensures good performance of activated carbon particles while enhancing the gas treatment effect and reducing pollution to the external processing environment.

4. The present invention installs a slow-flow plate on the opposite side of the sound-absorbing panel, and the purified dust gas is discharged through the exhaust pipe. The sound-absorbing plate and the slow-flow plate muffle the discharged air flow, thereby reducing the noise generated when the gas flows. , when the gas flows in the curved exhaust port, the flow rate continues to slow down until it is discharged to the outside. The continuous slowing down of the flow rate of the purified gas ensures the smoothness of the gas discharge and prevents the generation of noise pollution.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of the present invention;

Figure 2 is a schematic diagram of the front internal structure of the dust removal box of the present invention;

Figure 3 is a schematic three-dimensional structural diagram of the filter material frame of the present invention;

Figure 4 is a schematic three-dimensional structural diagram of the hollow cylinder of the present invention;

Figure 5 is a schematic three-dimensional structural diagram of the adsorption frame of the present invention;

Figure 6 is a schematic diagram of the internal structure of the exhaust pipe of the present invention;

Figure 7 is an enlarged structural schematic diagram of position A of the present invention;

Figure 8 is an enlarged structural schematic diagram of position B of the present invention.

In the picture: 1. Dust box; 2. Filter frame; 3. Fixing plate; 4. Hollow cylinder; 5. Dust box; 6. Installation slot; 7. Exhaust tube; 8. Air inlet; 9. Discharge Pipe; 10. Operation door; 11. Observation window; 12. Handle; 13. Mounting plate; 14. Vacuum blower; 15. Coarse filter; 16. Dust scraping frame; 17. Threaded rod; 18. Dust scraping motor; 19. Moving block; 20. Moving groove; 21. Limiting frame; 22. Sliding block; 23. Connecting frame; 24. Scraper plate; 25. Anti-scratch rubber plate; 26. Blanking opening; 27. Conveyor tube; 28. Spiral conveyor rod; 29. Dust removal port; 30. Water pump; 31. Rotary motor; 32. Dust reduction spray cover; 33. Conveying motor; 34. Filter cotton; 35. Adsorption cotton; 36. Electric telescopic rod; 37. Buffer Spring; 38. Chute; 39. Adsorption frame; 40. Flow port; 41. Fine filter; 42. Activated carbon particles; 43. Sound-absorbing panel; 44. Slow flow plate; 45. Curved exhaust port.

Detailed ways

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

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", and "the other end" The indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. They are not intended to indicate or imply that the device or element referred to must have a specific orientation or in a specific manner. orientation construction and operation and therefore should not be construed as limitations of the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection. It can be a movable 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 an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

Please refer to Figure 1, Figure 2 and Figure 3, an embodiment provided by the present invention: a dust removal device for preparing recycled concrete;

It includes a dust removal box 1, a filter frame 2 and a scraper frame 16. An air inlet 8 is provided on the outside of the dust removal box 1. A discharge pipe 9 is installed on the outside of the dust removal box 1. An operating door is installed on the front of the dust removal box 1 through a hinge. 10. An observation window 11 is provided on the front of the operation door 10. A handle 12 is installed on the front of the operation door 10. A mounting plate 13 is installed on the inner wall of the dust removal box 1. A dust suction fan 14 is installed on the outside of the installation plate 13. The installation plate 13 It provides an installation position for the dust suction fan 14 while ensuring its stability during operation. The dust suction fan 14 runs through the air inlet 8 to extract the dust generated during the preparation of recycled concrete. The dust enters the dust removal box 1 for dust removal. The coarse filter screen 15 filters the preparation materials with large particles and heavy specific gravity in the dust. The gas containing finer dust continues to circulate after being filtered by two sets of coarse filters 15. The operating door 10 is opened through the handle 12, and the operating door 10 is opened. Repair or replace the internal components of the dust removal box 1. A filter material frame 2 is installed between the dust removal box 1 and the fixed plate 3. A dust scraper frame 16 is installed on the outside of the filter material frame 2. A limiter is installed on the outside of the filter material frame 2. Frame 21, a coarse filter screen 15 is installed on the inside of the filter frame 2, a threaded rod 17 is installed on the inside of the dust scraping frame 16, a dust scraping motor 18 is installed on the top of the dust scraping frame 16, and the output end of the dust scraping motor 18 is connected to the The input end of the threaded rod 17 is connected. A moving block 19 is installed on the outside of the threaded rod 17. A moving groove 20 is provided on the inner wall of the dust scraping frame 16, and the moving block 19 is fitted and installed inside the moving groove 20. The limiting frame 21 A sliding block 22 is installed on the inner side of the moving block 19, a connecting frame 23 is installed on the outer side of the moving block 19, a scraper plate 24 is installed on the side of the connecting frame 23 close to the filter frame 2, and an anti-scratch rubber is installed on the inner side of the scraper plate 24. Plate 25, the preparation materials with large particles in the dust and heavy specific gravity are attached to the surface of the coarse filter screen 15. The filter frame 2 provides an installation position for the dust scraper frame 16 and the limit frame 21. The dust scraper motor 18 operates to drive the threaded rod 17 to rotate. , the threaded rod 17 rotates so that the moving block 19 slides inside the moving groove 20 and drives the connecting frame 23 to reciprocate in the vertical direction. The scraper plate 24 drives the anti-scratch rubber plate 25 to contact the surface of the coarse filter 15 and adhere to its surface. The material particles are scraped off, and the scraped-off material particles fall into the conveyor tube 27 through the discharge port 26. The scraping and automatic discharge of the attached materials ensure the good use effect of the coarse filter screen 15, and the anti-scratch rubber plate 25 Prevent the scraper plate 24 from causing scratches on the coarse filter screen 15.

Please refer to Figure 1, Figure 2, Figure 4 and Figure 8, a dust removal device for recycled concrete preparation;

It includes a fixed plate 3, a hollow tube 4 and a dust box 5. The fixed plate 3 is installed on the inner wall of the dust box 1. A conveyor tube 27 is installed at the bottom of the fixed plate 3. A blanking port 26 is provided at the top of the fixed plate 3. The conveyor tube A screw conveyor rod 28 is installed on the inside of 27, a dust drop port 29 is provided on the top of the fixed plate 3, and a water pump 30 is installed on the bottom of the fixed plate 3. The operation of the conveyor motor 33 drives the screw conveyor rod 28 to rotate, and the material particles in the conveyor tube 27 are Under the action of the screw drive, it is discharged from the discharge pipe 9 by the screw conveyor rod 28. The fixed plate 3 provides an installation position for the water pump 30. The water pump 30 operates to extract the water in the dust box 5. A hollow cylinder 4 is installed on the inside of the dust box 1. , a rotating motor 31 is installed on the top of the dust removal box 1, and the output end of the rotating motor 31 is connected to the input end of the hollow cylinder 4. A dust-reducing spray cover 32 is installed on the outside of the hollow cylinder 4, and the dust-reducing port 29 is connected to the dust-reducing spray cover 32. In cooperation, a dust box 5 is installed on the bottom wall of the dust box 1, and the dust box 5 is located below the fixed plate 3. A conveying motor 33 is installed on the inner wall of the dust box 5, and the output end of the conveying motor 33 is connected with the screw conveying rod 28 The input end is connected, a filter cotton 34 is provided inside the dust box 5, and an adsorption cotton 35 is provided below the filter cotton 34. The water enters the inside of the hollow cylinder 4 through the pipe and is sprayed out through the dust spray cover 32 to remove the fine dust in the gas. In the dust reduction treatment, the rotating motor 31 operates to drive the hollow cylinder 4 to continuously rotate, which increases the contact range between the dust reduction water and the dust in the gas. The dust reduction water falls into the dust reduction box 5, and the filter cotton 34 and the adsorption cotton 35 filter the impurities in the dust reduction water. , the purified water drops into the dust box 5 for recycling.

Please refer to Figure 1, Figure 2, Figure 5, Figure 6 and Figure 7, a dust removal device for preparing recycled concrete;

It includes a mounting slot 6, an adsorption frame 39 and an exhaust pipe 7. The dust removal box 1 is symmetrically provided with a mounting slot 6 on the top inner side and the bottom wall. An electric telescopic rod 36 is installed on the inner side of the installation slot 6. The output end of the electric telescopic rod 36 is An adsorption frame 39 is installed, a buffer spring 37 is provided on the outside of the electric telescopic rod 36, a chute 38 is provided on the inner wall of the installation groove 6, and the adsorption frame 39 is fitted and installed on the inside of the chute 38, and the outside of the adsorption frame 39 penetrates A flow port 40 is provided. A fine filter 41 is installed inside the flow port 40. Activated carbon particles 42 are installed inside the adsorption frame 39. The installation groove 6 provides an installation position for the electric telescopic rod 36. The operation of the electric telescopic rod 36 drives the adsorption frame. 39 performs reciprocating motion in the horizontal direction inside the chute 38. The chute 38 limits the adsorption frame 39 while ensuring the stability of the adsorption frame 39 when moving. The buffer spring 37 reciprocates the electric telescopic rod 36 during operation. The electric telescopic rod 36 drives the adsorption frame 39 to rock back and forth, causing the activated carbon particles 42 in the adsorption frame 39 to flip back and forth. The gas after dust reduction treatment enters the dust collection fan 14 after absorbing odor through the activated carbon particles 42 in the adsorption frame 39 , the flow port 40 and the fine filter 41 ensure the normal circulation of gas inside the dust removal box 1. An exhaust pipe 7 is installed on the outside of the dust removal box 1, and a sound-absorbing panel 43 is installed on the inner wall of the exhaust pipe 7. The sound-absorbing panel 43 is A slow-flow plate 44 is installed on the opposite side. A curved exhaust port 45 is provided on the outside of the slow-flow plate 44. The purified dust gas is discharged through the exhaust pipe 7. The sound-absorbing plate 43 and the slow-flow plate 44 eliminate the exhausted air flow. The sound is reduced, and the noise generated when the gas flows is reduced. When the gas flows in the curved exhaust port 45, the flow rate continues to slow down until it is discharged to the outside.

The working steps of the dust removal device are as follows:

S1. First, the dust suction fan 14 is operated to extract the dust generated during the preparation of recycled concrete through the air inlet 8. The dust enters the inside of the dust removal box 1 for dust removal. The coarse filter 15 removes the preparation materials with large particles and heavy specific gravity in the dust. Filtering, the gas containing fine dust continues to circulate after being filtered by two sets of coarse filters 15;

S2. The water pump 30 operates to extract water from the dust box 5. The water enters the inside of the hollow cylinder 4 through the pipe and is sprayed out through the dust suppression spray cover 32 to suppress the fine dust in the gas. The rotating motor 31 operates to drive the hollow cylinder 4 to continuously The rotation increases the contact range between the dust-falling water and the dust in the gas. The dust-falling water falls to the inside of the dust-falling box 5. The filter cotton 34 and the adsorption cotton 35 filter the impurities in the dust-falling water, and the purified water drops fall to the inside of the dust-falling box 5 for purification. recycle;

S3. The operation of the electric telescopic rod 36 drives the adsorption frame 39 to reciprocate in the horizontal direction inside the chute 38. The buffer spring 37 buffers the reciprocating impact force of the electric telescopic rod 36 when it is working. The electric telescopic rod 36 drives the adsorption frame 39 to reciprocate. The shaking causes the activated carbon particles 42 in the adsorption frame 39 to flip back and forth, and the gas after dust reduction treatment enters the dust collection fan 14 after adsorbing odor through the activated carbon particles 42 in the adsorption frame 39 .

In step S1, the following steps are also included:

S11. Preparation materials with large particles in the dust and heavy specific gravity adhere to the surface of the coarse filter 15. The dust scraping motor 18 operates to drive the threaded rod 17 to rotate. The rotation of the threaded rod 17 causes the moving block 19 to slide inside the moving groove 20 to drive the connecting frame 23. During the reciprocating movement in the vertical direction, the moving block 19 is driven by the connecting frame 23 to make the sliding block 22 slide inside the limiting frame 21, ensuring the synchronous stability when the connecting frame 23 moves, and the scraper plate 24 drives the anti-scratch rubber The plate 25 is in surface contact with the coarse filter screen 15 and scrapes off the material particles attached to the surface. The scraped material particles fall into the conveyor tube 27 through the drop port 26;

S12. After a certain period of time, the conveying motor 33 operates to drive the screw conveying rod 28 to rotate, and the material particles in the conveying cylinder 27 are discharged from the discharge pipe 9 by the screw conveying rod 28 under the action of the screw transmission;

In step S3, the following steps are also included:

S31. The purified dust gas is discharged through the exhaust pipe 7. The sound-absorbing plate 43 and the slow flow plate 44 muffle the discharged air flow, reducing the noise generated when the gas flows. The gas flows in the curved exhaust port 45. During the process, the flow rate continues to slow down until it is discharged to the outside world.

Working principle: When using this device, first the dust suction fan 14 runs through the air inlet 8 to extract the dust generated during the preparation of recycled concrete. The dust enters the inside of the dust removal box 1 for dust removal. The coarse filter screen 15 is used to remove large particles in the dust and The preparation materials with a heavy specific gravity are filtered, and the gases containing fine dust continue to circulate after being filtered by two sets of coarse filters 15. The preparation materials with large particles in the dust and a heavy specific density adhere to the surface of the coarse filter 15, and the dust scraping motor 18 is driven by operation. The threaded rod 17 rotates, and the threaded rod 17 rotates so that the moving block 19 slides inside the moving groove 20 and drives the connecting frame 23 to reciprocate in the vertical direction. During the movement of the moving block 19, it is driven by the connecting frame 23 to make the sliding block 22 move in the limiting frame. 21 slides inside to ensure the synchronous stability when the connecting frame 23 moves. The scraper plate 24 drives the anti-scratch rubber plate 25 to contact the surface of the coarse filter screen 15 and scrape off the material particles attached to the surface. The scraped material The particles fall into the conveyor tube 27 through the blanking port 26. After a certain period of time, the conveyor motor 33 operates to drive the screw conveyor rod 28 to rotate. The material particles in the conveyor tube 27 are discharged from the discharge pipe 9 by the screw conveyor rod 28 under the action of the screw drive. , the water pump 30 operates to extract the water in the dust box 5. The water enters the inside of the hollow cylinder 4 through the pipe and is sprayed out through the dust suppression spray cover 32 to suppress the fine dust in the gas. The rotating motor 31 operates to drive the hollow cylinder 4 to continuously rotate. , increasing the contact range between the dust-falling water and the dust in the gas, the dust-falling water falls to the inside of the dust-falling box 5, the filter cotton 34 and the adsorption cotton 35 filter the impurities in the dust-falling water, and the purified water drops fall to the inside of the dust-falling box 5 for circulation In use, the operation of the electric telescopic rod 36 drives the adsorption frame 39 to reciprocate in the horizontal direction inside the chute 38. The buffer spring 37 buffers the reciprocating impact force of the electric telescopic rod 36 when it is working. The electric telescopic rod 36 drives the adsorption frame 39 to reciprocate. The shaking causes the activated carbon particles 42 in the adsorption frame 39 to flip back and forth. The dust-reduction treated gas enters the dust collection fan 14 after absorbing odors through the activated carbon particles 42 in the adsorption frame 39. The purified dust gas is discharged through the exhaust pipe 7. The sound-absorbing panels 43 and slow flow panels 44 muffle the discharged air flow, reducing the noise generated when the gas flows. When the gas flows in the curved exhaust port 45, the flow rate continues to slow down until it is discharged to the outside.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be regarded as illustrative and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the claims All changes within the meaning and scope of equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Claims (10)

1. The utility model provides a recycled concrete prepares dust collector, includes dust removal case (1), filter material frame (2) and fixed plate (3), its characterized in that: install fixed plate (3) on the inner wall of dust removal case (1), install filter material frame (2) between dust removal case (1) and fixed plate (3), scrape dirt frame (16) are installed in the outside of filter material frame (2), spacing frame (21) are installed in the outside of filter material frame (2), transport section of thick bamboo (27) are installed to the bottom of fixed plate (3), the symmetry is provided with mounting groove (6) on the inboard and the diapire in top of dust removal case (1), electric telescopic handle (36) are installed to the inboard of mounting groove (6), adsorption frame (39) are installed to the output of electric telescopic handle (36).

2. The recycled concrete preparation dust collector of claim 1, wherein: the filter material frame is characterized in that a coarse screen (15) is arranged on the inner side of the filter material frame (2), a threaded rod (17) is arranged on the inner side of the dust scraping frame (16), a dust scraping motor (18) is arranged on the top of the dust scraping frame (16), the output end of the dust scraping motor (18) is connected with the input end of the threaded rod (17), a moving block (19) is arranged on the outer side of the threaded rod (17), a moving groove (20) is arranged on the inner wall of the dust scraping frame (16), the moving block (19) is embedded and arranged on the inner side of the moving groove (20), a sliding block (22) is embedded and arranged on the inner side of the limiting frame (21), a connecting frame (23) is arranged on the outer side of the connecting frame (23) close to the filter material frame (2), and a scraping rubber plate (25) is arranged on the inner side of the scraping plate (24).

3. The recycled concrete preparation dust collector of claim 1, wherein: the inside of dust removal case (1) is installed cavity section of thick bamboo (4), and rotary motor (31) are installed at the top of dust removal case (1), and the output of rotary motor (31) is connected with the input of cavity section of thick bamboo (4), and dust fall spouts cover (32) are installed in the outside of cavity section of thick bamboo (4), and dust fall mouth (29) and dust fall spouts cover (32) and cooperate.

4. The recycled concrete preparation dust collector of claim 1, wherein: the outside of electric telescopic handle (36) is provided with buffer spring (37), has seted up spout (38) on the inner wall of mounting groove (6), and adsorption frame (39) gomphosis is installed in the inboard of spout (38), and the outside of adsorption frame (39) runs through and has seted up circulation mouth (40), and fine filter screen (41) are installed to the inboard of circulation mouth (40), and the inboard of adsorption frame (39) is provided with active carbon granule (42).

5. A recycled concrete preparation dust collector according to any one of claims 1-4, wherein: the other end of the connecting frame (23) is connected with the outer side of the sliding block (22), the output end of the water pump (30) is connected with the inner side of the hollow cylinder (4) through a pipeline, and the outer end of the buffer spring (37) is connected with the outer side of the adsorption frame (39).

6. The recycled concrete preparation dust collector of claim 1, wherein: the dust removal box is characterized in that an air inlet (8) is formed in the outer side of the dust removal box (1), a discharge pipe (9) is arranged in the outer side of the dust removal box (1), an operation door (10) is arranged on the front side of the dust removal box (1) through a hinge, an observation window (11) is arranged on the front side of the operation door (10), a handle (12) is arranged on the front side of the operation door (10), a mounting plate (13) is arranged on the inner wall of the dust removal box (1), and a dust collection fan (14) is arranged in the outer side of the mounting plate (13).

7. The recycled concrete preparation dust collector of claim 1, wherein: the top of fixed plate (3) is provided with blanking mouth (26), screw conveyer pole (28) are installed to the inboard of transport section of thick bamboo (27), the top of fixed plate (3) is provided with dust fall mouth (29), water pump (30) are installed to the bottom of fixed plate (3), install dust fall case (5) on the diapire of dust removal case (1), and dust fall case (5) are located the below of fixed plate (3), install on the inner wall of dust fall case (5) conveying motor (33), and the output of conveying motor (33) is connected with the input of screw conveyer pole (28), the inboard of dust fall case (5) is provided with filter cotton (34), the below of filter cotton (34) is provided with and adsorbs cotton (35).

8. The recycled concrete preparation dust collector of claim 1, wherein: an exhaust funnel (7) is arranged on the outer side of the dust removal box (1), a sound absorbing plate (43) is arranged on the inner wall of the exhaust funnel (7), a slow flow plate (44) is arranged on the opposite side of the sound absorbing plate (43), and a bent exhaust port (45) is formed in the outer side of the slow flow plate (44) in a penetrating mode.

9. The method of using a recycled concrete preparation dust collector according to any one of claims 1 to 8, wherein the dust collector comprises the following steps:

s1, firstly, a dust collection fan (14) operates to extract dust generated in the preparation process of the recycled concrete through an air inlet (8), the dust enters a dust removal box (1) to remove dust, a coarse filter screen (15) filters preparation materials with large particles and large specific gravity in the dust, and gas containing finer dust continues to circulate after being filtered by two groups of coarse filter screens (15);

s2, a water pump (30) operates to pump water in the dust fall box (5), the water enters the hollow cylinder (4) through a pipeline and is sprayed out through a dust fall spraying cover (32) to carry out dust fall treatment on fine dust in gas, a rotary motor (31) operates to drive the hollow cylinder (4) to continuously rotate, the contact range of the dust fall water and the dust in the gas is enlarged, the dust fall water falls into the dust fall box (5), filter cotton (34) and adsorption cotton (35) filter impurities in the dust fall water, and purified water drops into the dust fall box (5) for recycling;

s3, the electric telescopic rod (36) operates to drive the adsorption frame (39) to reciprocate in the horizontal direction at the inner side of the chute (38), the buffer spring (37) buffers the reciprocating impact force generated when the electric telescopic rod (36) works, the electric telescopic rod (36) drives the adsorption frame (39) to reciprocate to enable the activated carbon particles (42) in the adsorption frame (39) to turn back and forth, and the dust-settling treated gas enters the dust suction fan (14) after being adsorbed by the peculiar smell of the activated carbon particles (42) in the adsorption frame (39).

10. The method of using a recycled concrete dust collector according to claim 9, wherein in step S1, the method further comprises the steps of:

s11, the prepared materials with large particles and large specific gravity in dust are attached to the surface of a rough filter screen (15), a dust scraping motor (18) operates to drive a threaded rod (17) to rotate, the threaded rod (17) rotates to enable a moving block (19) to slide on the inner side of a moving groove (20) to drive a connecting frame (23) to vertically reciprocate, the moving block (19) drives a sliding block (22) to slide on the inner side of a limiting frame (21) through the transmission of the connecting frame (23) in the moving process, synchronous stability of the connecting frame (23) in moving is ensured, a scraping plate (24) drives a scraping-proof rubber plate (25) to contact with the surface of the rough filter screen (15) and scrape material particles attached to the surface of the rough filter screen, and the scraped material particles fall into a conveying cylinder (27) through a blanking port (26);

s12, after a certain time, the conveying motor (33) operates to drive the spiral conveying rod (28) to rotate, and material particles in the conveying cylinder (27) are discharged from the discharge pipe (9) by the spiral conveying rod (28) under the action of spiral transmission;

in the step S3, the method further includes the following steps:

s31, the purified dust gas is discharged through the exhaust funnel (7), the sound absorbing plate (43) and the flow delaying plate (44) are used for silencing the discharged airflow, noise generated when the gas flows is reduced, and the flow speed of the gas is continuously slowed down in the flowing process of the gas in the bent exhaust port (45) until the gas is discharged to the outside.