CN214891193U

CN214891193U - Waste paint slag environmental protection processing apparatus

Info

Publication number: CN214891193U
Application number: CN202120254653.8U
Authority: CN
Inventors: 杨波; 常子为; 孙前
Original assignee: Jiangsu Agco Solid Waste Treatment Co Ltd
Current assignee: Jiangsu Agco Solid Waste Treatment Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-26
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a paint waste residue environmental protection processing apparatus, including solid-liquid separation equipment, reducing mechanism, the compounding device, screw conveyer, rotary kiln and flue gas purification system, solid-liquid separation equipment is used for carrying out solid-liquid separation to the paint waste residue and then send the solid material to the reducing mechanism and smash, the reducing mechanism sets up top one side at the compounding device, the compounding device is used for mixing the solid material after smashing with the material of compatibility, screw conveyer sets up and is used for sending the material after mixing to the rotary kiln in extending to the rotary kiln in the bottom exit of compounding device and exit end and burns, the residue after burning is through rotary kiln tail bottom export discharge, the flue gas is discharged after the rotary kiln tail top discharges and gets into flue gas purification system and purify. The utility model discloses a carry out solid-liquid separation to the paint waste sediment after through smash, add the back and send into the rotary kiln and burn for the paint waste sediment can more fully burn, and carry out purification treatment to tail gas, reduced harmful gas's emission.

Description

Waste paint slag environmental protection processing apparatus

Technical Field

The utility model relates to a waste paint sediment environmental protection processing apparatus belongs to the useless field of handling admittedly.

Background

With the rapid development of the industry in China, the using amount of paint is increased year by year, and the amount of waste paint slag generated along with the using amount of the paint is also increased year by year. The waste paint slag contains a large amount of organic compounds, can cause certain toxic action on social environment and human health, and belongs to dangerous waste. At present, the following treatment modes are mainly adopted for waste paint slag: and (4) landfill and incineration. Landfill is the simplest method for treating waste paint slag, but occupies a large amount of land resources and is easy to cause pollution to underground water and soil; the burning method can rapidly remove harmful components in the waste paint slag, but the existing waste paint slag is burnt insufficiently when being burned, can be completely burned only by secondary treatment, and the amount of harmful gas generated is increased due to incomplete combustion, and the exhaust is easy to cause more serious secondary pollution after incomplete treatment.

Disclosure of Invention

For solving prior art's is not enough, the utility model provides a paint waste sediment environmental protection processing apparatus sends into the rotary kiln through carrying out solid-liquid separation to paint waste sediment after smashing again, compatibility and burns for paint waste sediment can more fully burn, and carries out purification treatment to tail gas, has reduced harmful gas's emission.

The utility model discloses the technical scheme who adopts does:

an environment-friendly waste paint residue treatment device comprises a solid-liquid separation device, a crushing device, a mixing device, a screw conveyor, a rotary kiln and a flue gas purification system, wherein the solid-liquid separation device is used for carrying out solid-liquid separation on waste paint residues and then conveying solid materials to the crushing device for crushing, the crushing device is arranged on one side of the top of the mixing device, the mixing device is used for mixing the crushed solid materials with compatible materials, the screw conveyor is arranged at the bottom outlet of the mixing device, the outlet end of the screw conveyor extends into the rotary kiln and is used for conveying the mixed materials to the rotary kiln for incineration, the incinerated residues are discharged from the bottom outlet of the kiln tail of the rotary kiln, and flue gas generated by incineration is discharged from the top of the kiln tail of the rotary kiln, enters the flue gas purification system for purification and then is discharged;

the solid-liquid separation device comprises a solid-liquid separation bin with an open top and a conveying mechanism horizontally arranged in the solid-liquid separation bin, a liquid discharge pipe is arranged at the bottom of the solid-liquid separation bin, an opening for the conveying mechanism to extend out is formed in the right side of the solid-liquid separation bin, mounting plates extending to the right side are arranged at the front end and the rear end of the opening, the conveying mechanism comprises a driving roller arranged on the left side of the solid-liquid separation bin and a plurality of driven rollers sequentially and horizontally arranged towards the right side, the driven roller positioned on the rightmost side is arranged between the two mounting plates, the two ends of the driven roller are rotatably connected with the mounting plates, the two ends of the driven roller positioned between the driving roller and the driven roller positioned on the rightmost side and the two ends of the driving roller are also rotatably connected with the two ends of the solid-liquid separation bin respectively, the front end of the driving roller extends to the outer side of the front end of the solid-liquid separation bin, a gear is arranged at the frontmost end of the driving roller, a driving motor is arranged on the left side of the solid-liquid separation bin, the actuating shaft of driving motor sets up towards the front end and also is provided with the gear at the actuating shaft end, is provided with the chain between the gear of drive roll front end and the epaxial gear of driving motor execution, encircles drive roll and a plurality of driven voller and is provided with the conveyer belt, is provided with water hole under a plurality of on the conveyer belt, and driving motor drive chain rotates then and drives the drive roll and rotate and then drive the conveyer belt and rotate.

Preferably, the reducing mechanism includes that the top is open-ended crushing fill and sets up two crushing rollers in crushing fill, and the bottom export of crushing fill and the left side top intercommunication of compounding device, the front end and the rear end of two crushing rollers all with smash the fill and rotate and be connected, and the front end of two crushing rollers all extends to the front end outside of smashing the fill and is provided with the step motor who drives two crushing roller rotations respectively at the front end of smashing the fill.

Preferably, material guide plates inclined towards the middle parts of the two crushing rollers are symmetrically arranged on the side walls of two sides in the crushing hopper above the two crushing rollers, and the tail ends of the conveying belts are positioned above the material guide plates.

Preferably, the material mixing device comprises a material mixing tank, a material inlet pipe is arranged at the top of the right side of the material mixing tank, a rotating shaft with the top extending to the outer side of the top of the material mixing tank is arranged at the inner center of the material mixing tank, a motor for driving the rotating shaft to rotate is arranged at the top of the material mixing tank, a material guide hopper with a horn-shaped structure and a small-caliber end arranged downwards is arranged inside the material mixing tank, the large-caliber end of the material guide hopper is fixed with the inner wall of the material mixing tank, the rotating shaft penetrates through the small-caliber end of the material guide hopper, a plurality of material mixing rods are arranged upwards around the rotating shaft above the small-caliber end of the material guide hopper, and a material mixing plate attached to the inner wall of the material guide hopper is obliquely arranged at the tail ends of the material mixing rods; a plurality of stirring paddles are arranged on the rotating shaft below the small-caliber end of the material guide hopper, and a discharging pipe is arranged at the bottom of the material mixing tank.

Preferably, a guide plate fixed with the bottom of the right opening of the solid-liquid separation bin is obliquely arranged at the bottom of the mounting plate leftwards and downwards.

The beneficial effects of the utility model reside in that:

after the liquid contained in the waste paint residues is separated by the solid-liquid separation device, the solid-liquid separation is beneficial to the compatibility treatment because the types and the contents of substances in the liquid are different from the components and the contents of the waste paint residues, and the separated liquid can be independently detected and subjected to the compatibility post-treatment, so that the treatment effect is improved; the waste paint slag is crushed by the crushing device and then mixed with the compatible materials by the mixing device, so that the waste paint slag can be effectively and fully combusted; the flue gas is discharged from the top of the kiln tail of the rotary kiln, enters the flue gas purification system for purification and then is discharged, so that the emission of harmful gas is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the main reference numerals in the figures have the following meanings:

1. solid-liquid separation device, 2, smashing device, 3, mixing device, 4, screw conveyor, 5, rotary kiln, 6, flue gas purification system, 11, solid-liquid separation bin, 12, liquid discharge pipe, 13, mounting plate, 14, driving roller, 15, driven roller, 16, driving motor, 17, chain, 18, conveying belt, 19, guide plate, 21, smashing hopper, 22, smashing roller, 23, stepping motor, 24, guide plate, 31, mixing tank, 32, feeding pipe, 33, rotating shaft, 34, motor, 35, guide hopper, 36, mixing rod, 37, mixing plate, 38, stirring paddle, 39 and discharging pipe.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1: the embodiment is an environment-friendly waste paint slag treatment device, which comprises a solid-liquid separation device 1, a crushing device 2, a mixing device 3, a spiral conveyor 4, a rotary kiln 5 and a flue gas purification system 6, wherein the solid-liquid separation device 1 is used for carrying out solid-liquid separation on waste paint slag and then conveying solid materials to the crushing device 2 for crushing, the crushing device 2 is arranged on one side of the top of the mixing device 3, the mixing device 3 is used for mixing the crushed solid materials with compatible materials, the spiral conveyor 4 is arranged at a bottom outlet of the mixing device 3, an outlet end extends into the rotary kiln 5 and is used for conveying the mixed materials to the rotary kiln 5 for incineration, the incinerated residues are discharged through a kiln tail bottom outlet of the rotary kiln 5, and flue gas generated by incineration is discharged through the kiln tail top of the rotary kiln 5 and enters the flue gas purification system 6 for purification and then is discharged;

the solid-liquid separation device 1 comprises a solid-liquid separation bin 11 with an open top and a conveying mechanism horizontally arranged in the solid-liquid separation bin 11, a liquid discharge pipe 12 is arranged at the bottom of the solid-liquid separation bin 11, an opening for the conveying mechanism to extend out is formed in the right side of the solid-liquid separation bin 11, mounting plates 13 extending towards the right side are arranged at the front end and the rear end of the opening, the conveying mechanism comprises a driving roller 14 arranged on the left side of the solid-liquid separation bin 11 and a plurality of driven rollers 15 sequentially and horizontally arranged towards the right side, the driven roller 15 located on the rightmost side is arranged between the two mounting plates 13, two ends of the driven roller 15 located between the driving roller 14 and the driven roller 15 located on the rightmost side and two ends of the driving roller 14 are also respectively and rotatably connected with two ends of the solid-liquid separation bin 11, and the front end of the driving roller 14 extends to the outer side of the front end of the solid-liquid separation bin 11, the front end of the driving roller 14 is provided with a gear, the left side of the solid-liquid separation bin 11 is provided with a driving motor 16, an execution shaft of the driving motor 16 is arranged towards the front end, the tail end of the execution shaft is also provided with a gear, a chain 17 is arranged between the gear at the front end of the driving roller 14 and the gear on the execution shaft of the driving motor 16, a conveying belt 18 is arranged around the driving roller 14 and a plurality of driven rollers 15, the conveying belt 18 is provided with a plurality of water drainage holes, and the driving motor 16 drives the chain 17 to rotate so as to drive the driving roller 14 to rotate and further drive the conveying belt 18 to rotate.

The reducing mechanism 2 includes that the top is open-ended crushing fill 21 and sets up two crushing rollers 22 in crushing fill 21, the bottom export of crushing fill 21 and the left side top intercommunication of compounding device 3, the front end and the rear end of two crushing rollers 22 all rotate with crushing fill 21 and be connected, and the front end of two crushing rollers 22 all extends to the front end outside of crushing fill 21 and is provided with the step motor 23 that drives two crushing rollers 22 pivoted respectively at the front end of crushing fill 21, be located left step motor 23 clockwise rotation, the step motor 23 anticlockwise rotation that is located the right side.

Guide plates 24 inclined to the middle parts of the two crushing rollers 22 are symmetrically arranged on the side walls of the two sides of the interior of the crushing hopper 21 above the two crushing rollers 22, and the tail end of the conveying belt 18 is positioned above the guide plates 24.

The mixing device 3 comprises a mixing tank 31, a feeding pipe 32 is arranged at the top of the right side of the mixing tank 31, a rotating shaft 33 with the top extending to the outer side of the top of the mixing tank 31 is arranged at the center position in the mixing tank 31, a motor 34 for driving the rotating shaft 33 to rotate is arranged at the top of the mixing tank 31, a guide hopper 35 with a horn-shaped structure and a small-caliber end downwards arranged in the tank body of the mixing tank 31, the large-caliber end of the guide hopper 35 is fixed with the inner wall of the tank body of the mixing tank 31, the rotating shaft 33 penetrates through the small-caliber end of the guide hopper 35, a plurality of mixing rods 36 are obliquely and downwards arranged around the rotating shaft 33 above the small-caliber end of the guide hopper 35, and a mixing plate 37 attached to the inner wall of the guide hopper 35 is obliquely arranged at the tail end of the mixing rods 36; a plurality of stirring paddles 38 are arranged on the rotating shaft 33 below the small-caliber end of the material guide hopper 35, and a discharging pipe 39 is arranged at the bottom of the material mixing tank 31.

A guide plate 19 fixed with the bottom of the right opening of the solid-liquid separation bin 11 is obliquely arranged at the bottom of the mounting plate 13 leftwards and downwards, and the front end and the rear end of the guide plate 19 and a mounting plate 23 at the corresponding end form a closed space.

In practical application, the waste paint slag is grabbed and then placed on the conveying belt 18, liquid carried in the waste paint slag flows into the solid-liquid separation bin 11 through a lower water hole on the conveying belt 18, the driving motor 16 drives the conveying belt 18 to move towards the right side, the waste paint slag falls onto the material guide plate 24 when being conveyed to the right end, then slides to the middle parts of the two crushing rollers 22 through the material guide plate 24, is crushed through the two crushing rollers 22 and then falls into the material mixing tank 31, compatible materials are conveyed into the material mixing tank 31 through the feeding pipe 32 on the material mixing tank 31, under the action of the material mixing rod 36 and the material mixing plate 37, the crushed waste paint slag and the compatible materials are primarily mixed in the material guide hopper 35, then fall to the bottom of the material mixing tank 31 through the lower aperture end of the material guide hopper 35, are further mixed under the action of the stirring paddle 38, and then are conveyed into the rotary kiln 5 through the screw conveyor 4 for incineration treatment, the burned residues are discharged from an outlet at the bottom of the kiln tail of the rotary kiln 5, and the smoke generated by burning is discharged from the top of the kiln tail of the rotary kiln 5, enters a smoke purification system 6, is purified and then is discharged.

In practical application, nitrogen is introduced into the mixing device 3 at any time for protection, and an exhaust pipe is arranged and communicated to a gas main pipe to prevent volatile components from deflagrating; and a water-cooling coil is arranged outside the conveying pipe of the spiral conveyor 4 to prevent the temperature of the rotary kiln 5 from jumping to the mixing device 3 to influence the processing process.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a waste paint sediment environmental protection processing apparatus which characterized in that: comprises a solid-liquid separation device (1), a crushing device (2), a mixing device (3), a screw conveyor (4), a rotary kiln (5) and a flue gas purification system (6), the solid-liquid separation device (1) is used for carrying out solid-liquid separation on the waste paint slag and then sending the solid material to the crushing device (2) for crushing, the crushing device (2) is arranged on one side of the top of the mixing device (3), the mixing device (3) is used for mixing crushed solid materials with compatible materials, the spiral conveyor (4) is arranged at the bottom outlet of the mixing device (3), the outlet end of the spiral conveyor extends into the rotary kiln (5) and is used for conveying the mixed materials to the rotary kiln (5) for incineration, the incinerated residues are discharged through the outlet at the bottom of the kiln tail of the rotary kiln (5), and the flue gas generated by incineration is discharged through the top of the kiln tail of the rotary kiln (5), enters the flue gas purification system (6) for purification and then is discharged;

the solid-liquid separation device (1) comprises a solid-liquid separation bin (11) with an open top and a conveying mechanism horizontally arranged in the solid-liquid separation bin (11), a liquid discharge pipe (12) is arranged at the bottom of the solid-liquid separation bin (11), an opening for the conveying mechanism to extend out is formed in the right side of the solid-liquid separation bin (11), mounting plates (13) extending towards the right side are arranged at the front end and the rear end of the opening, the conveying mechanism comprises a driving roller (14) arranged on the left side of the solid-liquid separation bin (11) and a plurality of driven rollers (15) sequentially horizontally arranged towards the right side, the driven roller (15) located on the rightmost side is arranged between the two mounting plates (13), the two ends of the driven roller (15) are rotatably connected with the mounting plates (13), the two ends of the driven roller (15) located between the driving roller (14) and the driven roller (15) located on the rightmost side and the two ends of the driving roller (14) are also rotatably connected with the two ends of the solid-liquid separation bin (11) respectively, and the front end of drive roll (14) extends to the front end outside of solid-liquid separation storehouse (11), is provided with the gear at the foremost end of drive roll (14), is provided with driving motor (16) in the left side of solid-liquid separation storehouse (11), the execution axle of driving motor (16) sets up and also is provided with the gear at the execution axle end towards the front end, is provided with chain (17) between the gear of drive roll (14) front end and the epaxial gear of driving motor (16) execution, encircles drive roll (14) and a plurality of driven voller (15) and is provided with conveyer belt (18), be provided with water hole under a plurality of on conveyer belt (18), driving motor (16) drive chain (17) rotate and then drive roll (14) rotate and then drive conveyer belt (18) rotate.

2. The environment-friendly waste paint residue treatment device according to claim 1, wherein the crushing device (2) comprises a crushing hopper (21) with an open top and two crushing rollers (22) arranged in the crushing hopper (21), a bottom outlet of the crushing hopper (21) is communicated with the top of the left side of the mixing device (3), the front ends and the rear ends of the two crushing rollers (22) are rotatably connected with the crushing hopper (21), the front ends of the two crushing rollers (22) extend to the outside of the front end of the crushing hopper (21), and stepping motors (23) for respectively driving the two crushing rollers (22) to rotate are arranged at the front end of the crushing hopper (21).

3. The environment-friendly waste paint residue treatment device as claimed in claim 2, wherein material guide plates (24) inclined towards the middle parts of the two crushing rollers (22) are symmetrically arranged on two side walls inside the crushing hopper (21) above the two crushing rollers (22), and the tail end of the conveying belt (18) is positioned above the material guide plates (24).

4. The environment-friendly waste paint slag processing device as claimed in claim 1, wherein the mixing device (3) comprises a mixing tank (31), a feeding pipe (32) is arranged at the top of the right side of the mixing tank (31), a rotating shaft (33) with the top extending to the outer side of the top of the mixing tank (31) is arranged at the center position inside the mixing tank (31), a motor (34) for driving the rotating shaft (33) to rotate is arranged at the top of the mixing tank (31), a guide hopper (35) with a horn-shaped structure with a downward small-caliber end is arranged inside the mixing tank (31), the large-caliber end of the guide hopper (35) is fixed with the inner wall of the mixing tank (31), the rotating shaft (33) penetrates through the small-caliber end of the guide hopper (35), and a plurality of mixing rods (36) are obliquely arranged upwards and downwards around the rotating shaft (33) above the small-caliber end of the guide hopper (35), a material mixing plate (37) attached to the inner wall of the material guide hopper (35) is obliquely arranged at the tail end of the material mixing rod (36); a plurality of stirring paddles (38) are arranged on the rotating shaft (33) below the small-caliber end of the material guide hopper (35), and a discharging pipe (39) is arranged at the bottom of the material mixing tank (31).

5. The environment-friendly waste paint slag treatment device as claimed in claim 1, wherein a guide plate (19) fixed with the bottom of the right opening of the solid-liquid separation bin (11) is arranged at the bottom of the mounting plate (13) in an inclined manner towards the left and downwards.