Gravel washing waste residue recovery device

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By designing a gravel water washing waste residue recycling device, using vertical cutting channels and water spraying devices to separate the dust on the gravel and perform precipitation and recycling, the problem of dust cannot be recycled in gravel processing is solved, and efficient resource utilization and improvement of gravel quality are achieved.

CN222778197UActive Publication Date: 2025-04-22ZHEJIANG HONGTU TRANSPORTATION CONSTR CO LTD +1

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Patent Information

Application Number: CN202420884011.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-04-26
Publication Date: 2025-04-22
Estimated Expiration: 2034-04-26

AI Technical Summary

Technical Problem

During the construction of bridge and roads, dust cannot be effectively separated and recycled during the crushed stone processing, resulting in waste of resources and the impact of concrete effects.

Method used

A gravel water washing waste residue recycling device is designed. The dust on the gravel is separated by hydraulic power through a vertical discharge channel and a water spraying device, and the separated dust precipitation tank is precipitated and recovered.

Benefits of technology

The effective separation and recycling of dust on gravel is achieved, the quality of gravel is improved, resource waste is reduced, and the centralized utilization of dust is promoted.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a broken stone washing waste residue recovery device which comprises a vertical blanking channel, the vertical blanking channel is provided with a plurality of upper spraying holes spraying backwards and a plurality of lower spraying holes spraying leftwards, the portion, sprayed by the upper spraying holes, of the rear side wall is provided with an upper water inlet hole, and the portion, sprayed by the lower spraying holes, of the left side wall is provided with a lower water inlet hole. The lower ends of the upper water inlet hole, the lower water inlet hole and the discharging channel are communicated with the sedimentation tank, the discharging channel is provided with an obliquely-arranged filter plate and a coarse gravel outlet aligned to the bottom end of the filter plate, the coarse gravel outlet is in butt joint with the inlet end of a coarse gravel receiving hopper, and a water distribution cavity is formed in the periphery of the discharging channel. The inlet ends of the upper spraying holes and the inlet ends of the lower spraying holes are communicated with the water distribution cavity, the water distribution cavity is connected with the outlet end of a water pump, and an inlet of the water pump is communicated with a clean water source. The broken stone dust collector has the advantage of being capable of separating dust on broken stones, and solves the problem that the existing broken stone dust cannot be intensively utilized.

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Description

Technical Field

[0001] The utility model relates to the technical field of bridge and road construction, in particular to a crushed stone water-washed waste residue recovery device. Background Art

[0002] In the process of bridge and road construction, crushed stone is needed. Crushed stone is processed by a stone crusher. In the existing crushed stone processing process, both the feeding and discharging are transferred manually, which is laborious and inefficient; the dust on the crushed stone cannot be separated, affecting the effect of concrete, or it is directly blown away, so that the dust cannot be recycled and causes waste. Utility Model Content

[0003] The utility model aims to provide a crushed stone water washing waste residue recovery device which can separate the dust on the crushed stone, thereby solving the problem that the existing crushed stone dust cannot be utilized in a centralized manner.

[0004] The above technical problems are solved by the following technical solutions: a crushed stone washing waste residue recovery device, characterized in that it comprises a vertical discharge channel, the upper end of the vertical discharge channel is used to receive the crushed stones outputted from the discharge port of the storage bin, the vertical discharge channel comprises a front side wall, a right side wall, a rear side wall and a left side wall which are connected end to end in sequence, the front side wall is provided with a plurality of upper spray holes for spraying backwards, the portion of the rear side wall sprayed by the upper spray holes is provided with an upper water inlet hole, the right side wall is provided with a plurality of lower spray holes for spraying leftwards, the portion of the left side wall sprayed by the lower spray holes is provided with a lower water inlet hole, all of the lower spray holes are located below all of the upper spray holes, and the upper The water inlet hole and the lower water inlet hole are connected with the sedimentation tank so that the water flowing in from the upper water inlet hole and the lower water inlet hole enters the sedimentation tank, the lower end of the discharge channel is connected with the sedimentation tank, the discharge channel is provided with a channel filter plate with filter holes arranged obliquely, the discharge channel is provided with a coarse gravel outlet aligned with the bottom end of the channel filter plate, the coarse gravel outlet is connected with the inlet end of the coarse gravel receiving hopper, the coarse gravel receiving hopper is provided with a coarse gravel discharge port, the periphery of the discharge channel is provided with a water distribution chamber, the inlet ends of the upper spray hole and the lower spray hole are connected with the water distribution chamber, the water distribution chamber is connected with the outlet end of the water pump, and the inlet of the water pump is connected with a clean water source. When in use, the crushed stone falls through the vertical discharge channel. The upper spray hole first sprays water backwards to spray away the dust adhering to the upper, lower, left and upper right sides of the crushed stone. The dust enters the upper water inlet hole with the water and reaches the sedimentation tank. The dust on the front side of the crushed stone is washed down by the water and falls. After the crushed stone is crushed, the lower spray hole sprays water to the left to spray away the dust adhering to the upper, lower, front and rear sides of the crushed stone. The dust enters the lower water inlet hole with the water and reaches the sedimentation tank. The dust on the rear side of the crushed stone is washed down by the water and falls. After the washed stone falls on the filter plate of the channel, the water falls into the sedimentation tank and the crushed stone rolls to the coarse crushed stone outlet and reaches the coarse crushed stone receiving hopper and is discharged from the coarse crushed stone outlet. After the water in the sedimentation tank is precipitated, the dust is taken out in the form of sludge and dried for use. It can reduce the dust adhering to the crushed stone, thereby improving the quality of the crushed stone, and the crushed stone powder can be separated independently for use.

[0005] Preferably, the discharge channel is provided with an exhaust fan with an inlet below the filter plate of the channel part and exhausting air downward, so that the crushed stones falling downward are accelerated and separated, so as to facilitate thorough washing of all surfaces of the crushed stones.

[0006] Preferably, the sedimentation tank is provided with a filter plate of the filter tank, which isolates a clear water area and a muddy water area located above the clear water area in the sedimentation tank, the clear water area constitutes the clear water source, and the lower ends of the upper water inlet hole, the lower water inlet hole and the material discharge channel are located above the muddy water area. When used for the first time, the output of the clear water source is first closed, and the dust is precipitated on the filter cloth filter plate to form a sludge filter layer of a set thickness, and then the output of the clear water in the clear water area is opened, so that the sedimentation tank can use the dust for filtering, thereby facilitating the recycling and cleaning of water.

[0007] Preferably, the gravel washing waste residue recovery device also includes an upper screen plate for receiving the gravel output from the discharge port, the upper screen plate is tilted, the high end of the upper screen plate is located below the discharge port, and the low end is located above the vertical discharge channel so that the gravel under the roller on the upper screen plate falls into the vertical discharge channel, a receiving chamber is provided below the upper screen plate, the bottom wall of the receiving chamber is tilted and provided with a dust removal hole, and the receiving chamber is located at the high end of the bottom wall of the receiving chamber. The end of the receiving chamber is provided with a spray head sprayed toward the low end of the bottom wall of the receiving chamber, and the gravel washing waste residue recovery device also includes a fine gravel receiving hopper aligned with the low end of the bottom wall of the receiving chamber to receive the gravel rolling down from the bottom wall of the receiving chamber, and the dust falling through the dust removal hole falls into the sedimentation tank, and the opening area of the sieve hole of the upper screen plate is larger than the opening area of the dust removal hole. The gravel can be separated by size to meet different needs. Both types of gravel can be cleaned.

[0008] Preferably, the spray head is connected to the outlet end of the water pump, and the structure is compact.

[0009] As a preference, it also includes an external material discharge channel, the vertical material discharge channel is located in the external material discharge channel, the three walls of the external material discharge channel constitute the wall of the vertical material discharge channel, one wall side wall of the external material discharge channel is inclined and docked between the lower end of the upper sieve plate and the vertical material discharge channel, a wall side wall of the external material discharge channel is provided with a plurality of blowing holes, the inlet end of the blowing hole is connected with the air distribution cavity, the air distribution cavity is aligned with the outlet end of the blower, the wall of the material discharge channel opposite to one wall side wall of the external material discharge channel is provided with an air suction port, the air suction port is connected with the inlet end of the blower, the air suction port is provided with a dust-blocking net, and a dust-removing channel whose lower end is connected with the sedimentation tank is formed between the wall of the material discharge channel opposite to one wall side wall of the external material discharge channel and the vertical material discharge channel. The crushed stone can be blown to remove dust first, and then cleaned, which can improve the cleaning effect. Moreover, the dust removal effect is good from the secondary vertical cross-blowing method, and the blown dust can enter the sedimentation tank for centralized recycling.

[0010] Preferably, the air inlet side surface of the dust blocking net is tilted downward, which can improve the effect of dust falling.

[0011] Preferably, the fine crushed stone receiving hopper and the coarse crushed stone receiving hopper share a wall, and the vertical discharge channel is located between the dust removal channel and the coarse crushed stone receiving hopper. The structure has good compactness.

[0012] Preferably, a resistance-enhancing layer is provided on the upper surface of one side wall of the external material discharge channel, so that the crushed stones can have a good tumbling effect when falling on one side wall of the external material discharge channel, and a good tumbling effect means thorough dust removal.

[0013] The beneficial effect of the utility model is that the dust on the crushed stones can be separated for centralized utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A local enlarged schematic diagram of point A.

[0016] In the figure: a vibrating feeder 8, a vertical feed channel 12, an external feed channel 1, a side wall 14 of the external feed channel, under the upper sieve plate 15, an air blowing hole 16, an air distribution cavity 17, a blower 18, a wall 19 of the feed channel opposite to a side wall of the external feed channel, an air suction port 20, a dust blocking net 21, a sedimentation tank 22, a dust drop channel 23, a front side wall 24, a right side wall 25, a left side wall 26, an upper spray hole 27, a lower spray hole 28, a lower water inlet hole 29, a filter hole 30, a channel filter plate 31, a coarse crushed stone outlet 32, a coarse crushed stone receiving hopper 33, a coarse crushed stone discharge port 34, a water distribution cavity 35, a water pump 36, an exhaust fan 37, a filter plate 38 of the filter tank, a clear water area 39, a muddy water area 40, a receiving cavity 41, an inclined bottom wall 42 of the receiving cavity, a spray head 43, a fine crushed stone receiving hopper 44, and a crushed stone outlet 45. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 and Figure 2, a device for recovering waste residue from washing crushed stone, comprising a vertical feeding channel 12, which is located in an outer feeding channel 13. The front and rear right walls of the outer feeding channel constitute the front and rear right walls of the vertical feeding channel, and a side wall 14 of the outer feeding channel (i.e., the upper end of the right side wall) is inclined and butted between the lower end of the upper sieve plate 15 and the vertical feeding channel. A plurality of blowing holes 16 are provided on a side wall of the outer feeding channel, and the inlet end of the blowing hole is connected to an air distribution cavity 17, and the air distribution cavity is aligned with the outlet end of a blower 18. A wall 19 (i.e., the left side wall) of the feeding channel opposite to a side wall of the outer feeding channel is provided with an air suction port 20, which is connected to the inlet end of the blower, and a dust-blocking net 21 is provided at the air suction port, and a dust-removing channel 23 whose lower end is connected to a sedimentation tank 22 is formed between the wall of the feeding channel opposite to a side wall of the outer feeding channel and the vertical feeding channel. The air inlet side surface of the dust-blocking net is inclined downward.

[0019] The vertical material discharge channel includes a front side wall 24, a right side wall 25, a rear side wall and a left side wall 26 which are connected end to end in sequence. The front side wall is provided with a plurality of upper spray holes 27 spraying toward the rear, the portion of the rear side wall sprayed by the upper spray holes is provided with an upper water inlet hole, the right side wall is provided with a plurality of lower spray holes 28 spraying toward the left, the portion of the left side wall sprayed by the lower spray holes is provided with a lower water inlet hole 29, all the lower spray holes are located below all the upper spray holes, the upper water inlet hole and the lower water inlet hole are connected with the sedimentation tank so that the water flowing in from the upper water inlet hole and the lower water inlet hole enters the sedimentation tank, The lower end of the material discharge channel is connected to the sedimentation tank. The material discharge channel is provided with a channel filter plate 31 with filter holes 30 arranged obliquely. The material discharge channel is provided with a coarse crushed stone outlet 32 aligned with the bottom end of the channel filter plate. The coarse crushed stone outlet is connected to the inlet end of the coarse crushed stone receiving hopper 33. The coarse crushed stone receiving hopper is provided with a coarse crushed stone outlet 34. The outer periphery of the material discharge channel is provided with a water distribution chamber 35. The inlet ends of the upper spray hole and the lower spray hole are connected to the water distribution chamber. The water distribution chamber is connected to the outlet end of a water pump 36. The inlet of the water pump is connected to a clean water source. The material discharge channel is provided with an exhaust fan 37 located below the channel filter plate and exhausting air downward at the inlet. It can accelerate and separate the gravel that is walking on the bottom during the falling process, so as to facilitate the thorough washing of all surfaces of the gravel. The sedimentation tank is provided with a filter plate 38 of the filter tank part, which isolates the clear water area 39 and the muddy water area 40 located above the clear water area in the sedimentation tank. The clear water area constitutes the clear water source, and the lower ends of the upper water inlet hole, the lower water inlet hole and the discharge channel are located above the muddy water area. When used for the first time, first close the output of the clear water source, and let the dust settle on the filter cloth filter plate to form a silt filter layer of a set thickness, and then open the output of the clear water area, so that the sedimentation tank can use the dust for filtering, which is convenient for the recycling and cleaning of water. The upper screen plate catches the gravel output from the discharge port. The upper screen plate is set at an angle. The upper end of the upper sieve plate is located below the discharge port of the vibrating feeder, and the lower end is located above the outer channel so that the crushed stones under the roller on the upper sieve plate fall into the vertical feed channel. A receiving chamber 41 is provided below the upper sieve plate. The bottom wall of the receiving chamber is inclined at 42 and is provided with a dust removal hole. The receiving chamber is located at the end of the high end of the bottom wall of the receiving chamber and is provided with a spray head 43 spraying toward the lower end of the bottom wall of the receiving chamber. The crushed stone water washing waste residue recovery device also includes a fine crushed stone receiving hopper 44 aligned with the lower end of the bottom wall of the receiving chamber to receive the crushed stones rolling down from the bottom wall of the receiving chamber. The crushed stone receiving head is provided with a crushed stone outlet 45. The dust falling through the dust removal hole falls into the sedimentation tank. The opening area of the sieve hole of the upper sieve plate is larger than the opening area of the dust removal hole. The spray head is connected to the outlet end of the water pump. The fine crushed stone receiving hopper and the coarse crushed stone receiving hopper share a wall, and the vertical feed channel is located between the dust removal channel and the coarse crushed stone receiving hopper.

[0020] During use, the crushed stone is separated into coarse and fine parts through the upper screen plate, and the coarse parts reach the outer channel and then enter the vertical feeding channel. The part located above the vertical feeding channel after passing through the outer channel is blown for dust removal. In the process of falling through the vertical feeding channel, the upper spray hole first sprays water backwards to spray away the dust adhering to the upper, lower, left and upper right sides of the crushed stone, and the dust enters the upper water inlet hole together with the water to reach the sedimentation tank, and the dust on the front side of the crushed stone is washed down by the water and falls. After the crushed stone is crushed, the lower spray hole sprays water toward the left to spray away the dust adhering to the upper, lower, front and rear sides of the crushed stone, and the dust enters the lower water inlet hole together with the water to reach the sedimentation tank, and the dust on the rear side of the crushed stone is washed down by the water and falls. After the washed stone falls on the filter plate of the channel, the water falls into the sedimentation tank and the stone rolls to the coarse stone outlet, reaches the coarse stone receiving hopper, and is output from the coarse stone outlet. After the water in the sedimentation tank is precipitated, the dust is taken out in the form of sludge for dry utilization. The fine crushed stone is also dusted after being washed with water.

Claims

1. A device for recovering waste residue from crushed stone washing, characterized in that: The invention comprises a vertical material discharge channel, the upper end of which is used to receive the gravel outputted from the discharge port of the storage bin, the vertical material discharge channel comprises a front side wall, a right side wall, a rear side wall and a left side wall which are connected end to end in sequence, the front side wall is provided with a plurality of upper spray holes for spraying backwards, the portion of the rear side wall sprayed by the upper spray holes is provided with an upper water inlet hole, the right side wall is provided with a plurality of lower spray holes for spraying leftwards, the portion of the left side wall sprayed by the lower spray holes is provided with a lower water inlet hole, all of the lower spray holes are located below all of the upper spray holes, the upper water inlet hole and the lower water inlet hole are connected with the sedimentation tank so that the water from the upper side is discharged. The water flowing into the water inlet hole and the lower water inlet hole enters the sedimentation tank, the lower end of the discharge channel is connected with the sedimentation tank, the discharge channel is provided with a channel filter plate with filter holes arranged obliquely, the discharge channel is provided with a coarse gravel outlet aligned with the bottom end of the channel filter plate, the coarse gravel outlet is connected with the inlet end of the coarse gravel receiving hopper, the coarse gravel receiving hopper is provided with a coarse gravel discharge port, the periphery of the discharge channel is provided with a water distribution cavity, the inlet ends of the upper spray hole and the lower spray hole are connected with the water distribution cavity, the water distribution cavity is connected with the outlet end of the water pump, and the inlet of the water pump is connected with the clean water source.

2. A crushed stone washing waste residue recovery device according to claim 1, characterized in that: The material discharge channel is provided with an exhaust fan with an inlet located below the filter plate of the channel portion and exhausting air downward.

3. The device for recovering waste residue from crushed stone washing according to claim 1, characterized in that: A filter plate is provided in the sedimentation tank, and the filter plate separates a clear water area and a muddy water area located above the clear water area in the sedimentation tank. The clear water area constitutes the clear water source, and the lower ends of the upper water inlet hole, the lower water inlet hole and the discharge channel are located above the muddy water area.

4. A crushed stone washing waste residue recovery device according to claim 1, 2 or 3, characterized in that: The gravel water washing waste residue recovery device also includes an upper sieve plate for catching the gravel output from the discharge port, the upper sieve plate is tilted, the high end of the upper sieve plate is located below the discharge port, and the low end is located above the vertical discharge channel so that the gravel under the roller on the upper sieve plate falls into the vertical discharge channel, a material receiving chamber is provided below the upper sieve plate, the bottom wall of the material receiving chamber is tilted and provided with dust removal holes, and the end of the material receiving chamber located at the high end of the bottom wall of the material receiving chamber is provided with a spray head spraying toward the low end of the bottom wall of the material receiving chamber, the gravel water washing waste residue recovery device also includes a fine gravel receiving hopper aligned with the low end of the bottom wall of the material receiving chamber for catching the gravel rolling down from the bottom wall of the material receiving chamber, the dust falling through the dust removal holes falls into the sedimentation tank, and the opening area of the sieve holes of the upper sieve plate is larger than the opening area of the dust removal holes.

5. The device for recovering waste residue from crushed stone washing according to claim 4, characterized in that: The spray head is connected with the outlet end of the water pump.

6. The device for recovering waste residue from crushed stone washing according to claim 4, characterized in that: It also includes an external material discharge channel, the vertical material discharge channel is located in the external material discharge channel, the three walls of the external material discharge channel constitute the wall of the vertical material discharge channel, one wall side wall of the external material discharge channel is inclined and butted between the lower end of the upper screen plate and the vertical material discharge channel, a wall side wall of the external material discharge channel is provided with a plurality of blowing holes, the inlet end of the blowing holes is connected with the air distribution cavity, the air distribution cavity is aligned with the outlet end of the blower, the wall of the material discharge channel opposite to the wall side wall of the external material discharge channel is provided with an air suction port, the air suction port is connected with the inlet end of the blower, the air suction port is provided with a dust-proof net, and a dust removal channel whose lower end is connected with the sedimentation tank is formed between the wall of the material discharge channel opposite to the wall side wall of the external material discharge channel and the vertical discharge channel.

7. The device for recovering waste residue from crushed stone washing according to claim 6, characterized in that: The air inlet side surface of the dust blocking net is inclined downward.

8. The device for recovering waste residue from crushed stone washing according to claim 6, characterized in that: The fine crushed stone receiving hopper and the coarse crushed stone receiving hopper share a wall, and the vertical discharge channel is located between the dust removal channel and the coarse crushed stone receiving hopper.

9. The device for recovering waste residue from crushed stone washing according to claim 6, characterized in that: A resistance-enhancing layer is provided on the upper surface of a side wall of the outer material discharge channel.