CN213618565U

CN213618565U - Hazardous waste preprocessing device

Info

Publication number: CN213618565U
Application number: CN202022067280.1U
Authority: CN
Inventors: 张春辉
Original assignee: Henan Nuoke Dingwei Environmental Protection Technology Co ltd
Current assignee: Henan Nuoke Dingwei Environmental Protection Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-06
Anticipated expiration: 2030-09-21

Abstract

A hazardous waste pretreatment device aims to solve the problem that a blocky object after solid waste pretreatment is unstable in structure and is scattered or not easy to burn; the technical scheme for solving the technical problem is as follows: a hazardous waste pretreatment device comprises a primary crushing mechanism, a secondary crushing mechanism and a briquetting mechanism, wherein an outlet of the primary crushing mechanism is connected with an inlet of the secondary crushing mechanism, and an outlet of the secondary crushing mechanism is connected with an inlet of the briquetting mechanism; the utility model discloses simple structure is ingenious, and solid waste after multi-stage crushing is extruded the blocking, and the cubic is even stable, does benefit to incineration disposal on next step.

Description

Hazardous waste preprocessing device

Technical Field

The utility model relates to a useless treatment facility technical field of danger especially relates to a hazardous waste preprocessing device.

Background

In the environmental protection trade, often need handle the discarded object, when handling solid waste, generally adopt the mode of burning, and solid waste is because self volume is great, directly drops into burning equipment untreated, can't make it burn thoroughly, leads to still containing more pollutant in the solid residue after the burning, consequently, need carry out preliminary treatment to solid waste before burning, smash it to can make it thoroughly burn when burning, thereby reduce the emission of pollutant.

The pretreatment equipment in the prior art crushes solid waste raw materials and then extrudes the crushed solid waste raw materials into blocks, is convenient to transfer and burn, and has the following defects in actual use: the volume of the solid waste after smashing is still great, leads to the structure loose when extruding the blocking, and the block scatters easily, and the influence shifts it smoothly, and when extruding the blocking, the discarded object after smashing is not even, and the pressure that each position received when leading to the extrusion is different for compact degree is different in the block, and the too loose then scatters easily, and too tight then difficult burning when burning thoroughly, leads to the treatment that the pollutant can not be reasonable clean.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's defect, the utility model provides a hazardous waste preprocessing device, the cubic structure after its aim at solved solid waste preliminary treatment is unstable, leads to scattering or the difficult problem that burns.

The technical scheme for solving the technical problem is as follows: a hazardous waste pretreatment device comprises a primary crushing mechanism, a secondary crushing mechanism and a briquetting mechanism, wherein an outlet of the primary crushing mechanism is connected with an inlet of the secondary crushing mechanism, and an outlet of the secondary crushing mechanism is connected with an inlet of the briquetting mechanism; the secondary crushing mechanism comprises a crushing barrel, a conical cavity is arranged in the crushing barrel, a crushing wheel is coaxially arranged above the crushing barrel, the lower end of the crushing wheel is the same as the conical structure of the cavity, a reciprocating lead screw is arranged above the crushing wheel, a fixed disc is arranged outside the reciprocating lead screw, the reciprocating lead screw is in active rotation, and the reciprocating lead screw is in vertical reciprocating motion on the fixed disc when rotating; briquetting mechanism includes the briquetting case, and briquetting incasement horizontal slip is provided with the slide, and slide length is greater than the briquetting case length of twice, has placed the baffle on the slide, is equipped with the through-hole of large aperture on the baffle, and briquetting case top is equipped with the clamp plate, promotes the baffle and moves down on the slide when the clamp plate pushes down, drives the baffle when the clamp plate rises and resets to the slide in.

The utility model discloses simple structure is ingenious, and solid waste after multi-stage crushing is extruded the blocking, and the cubic is even stable, does benefit to incineration disposal on next step.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic sectional structure diagram of the second-stage pulverizing mechanism of the present invention.

Fig. 4 is a schematic sectional structure diagram of the middle pressing block mechanism of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from fig. 1 to 5, the hazardous waste pretreatment device comprises a primary crushing mechanism 1, a secondary crushing mechanism and a briquetting mechanism, wherein the primary crushing mechanism 1 is a double-roll crusher, an outlet of the primary crushing mechanism 1 is connected with an inlet of the secondary crushing mechanism, and an outlet of the secondary crushing mechanism is connected with an inlet of the briquetting mechanism; the secondary crushing mechanism comprises a crushing barrel 2, a conical cavity 3 is arranged in the crushing barrel 2, a crushing wheel 4 is coaxially arranged above the crushing barrel 2, the lower end of the crushing wheel 4 is the same as the conical structure of the cavity 3, a reciprocating screw 5 is arranged above the crushing wheel 4, a fixed disc 6 is arranged outside the reciprocating screw 5, the reciprocating screw 5 rotates actively, and the reciprocating screw 5 moves vertically and reciprocally on the fixed disc 6 when rotating; briquetting mechanism includes briquetting case 7, and the horizontal slip is provided with slide 8 in the briquetting case 7, and slide 8 length is greater than 7 lengths of the briquetting case of twice, has placed baffle 9 on the slide 8, is equipped with the through-hole 10 of large aperture on the

baffle

9, and 7 tops of briquetting case are equipped with clamp plate 11, and it moves down on slide 8 to promote baffle 9 when clamp plate 11 pushes down, and it resets in slide 8 to drive baffle 9 when clamp plate 11 rises.

In order to facilitate the sliding of the sliding plate 8, a sliding groove 12 is formed in the briquetting box 7, and the sliding plate 8 slides in the sliding groove 12.

In order to control the position of the sliding plate 8 conveniently, limiting holes 13 are formed in the two sides of the pressing block box 7 above the sliding grooves 12, limiting blocks 14 are arranged on the sliding plate 8, the limiting blocks 14 are located in the middle section of the sliding plate 8, the sliding plate 8 is fixed when sliding to the limiting blocks 14 to enter the limiting holes 13, two partition plates 9 are arranged on the sliding plate 8, and when the limiting blocks 14 are located in the limiting holes 13, one partition plate 9 corresponds to the pressing plate 11.

In order to facilitate the movement of the partition board 9, the cross section of the partition board 9 is of a T-shaped structure with a small top and a large bottom, the partition board 9 is connected with the sliding plate 8 in an adsorption mode through a first magnet block 15, the area of a pressing board 11 is smaller than that of the top surface of the partition board 9, a second magnet block 16 for adsorption connection is arranged below the pressing board 11 and above the partition board 9, the pressing board 11 pushes the partition board 9 to move downwards when pressed downwards, the suction force of the first magnet block 15 between the partition board 9 and the sliding plate 8 is not enough to offset the pressure on the partition board 9, the partition board 9 moves downwards to extrude waste below the partition board 9 to form blocks, then the pressing board 11 drives the partition board 9 to move upwards under the suction force of the second magnet block 16, after the partition board 9 is in butt joint with the sliding plate 8, the first magnet block 15 adsorbs the partition board 9 on the sliding plate 8, due to the structural.

In order to control the movement of the sliding plate 8, a first hydraulic cylinder 17 is connected to the side of the sliding plate 8.

In order to facilitate the discharge of the blocks, a movable plate is arranged on the side surface of the briquetting tank 7 and is positioned below the sliding chute 12, the movable plate is connected with a second hydraulic cylinder 18, and a movable opening is arranged on the side wall of the briquetting tank 7 opposite to the movable plate.

When the utility model is used in a concrete way,

solid hazardous waste raw materials are put into a first-stage crushing mechanism 1 for primary crushing, the solid hazardous waste raw materials enter a second-stage crushing mechanism after being discharged, in the second-stage crushing mechanism, the wastes after primary crushing enter a cavity 3 and are crushed under the action of a crushing wheel 4, then the wastes are discharged and enter a briquetting mechanism, solid powder enters a briquetting box 7 at the moment, the powder enters the briquetting box 7 and falls on a partition plate 9 and falls into the lower part from a through hole 10 on the partition plate 9, some powder is remained above the partition plate 9, sliding plates 8 slide at intervals, the powder on the partition plate 9 shakes and falls into the lower part when the sliding plates 8 slide, so that the powder below the partition plate 9 is scattered uniformly, when the sliding plates 8 are fixed, a pressing plate 11 moves downwards to push the partition plate 9 to move downwards to extrude the powder below the partition plate 9 to form blocks, then the pressing plate 11 drives the partition plate 9 to move upwards, so that the partition board 9 is reset into the sliding board 8 to finish the one-time blocking, and the blocked blocks are pushed out from the movable opening of the block pressing box 7.

In this device, the crushing wheel 4 of second grade rubbing crusher constructs adopts reciprocal lead screw 5 to connect, and reciprocal lead screw 5 is the initiative piece, drives through the motor, and the concrete connected mode is conventional technological means, does not do specific description here, and reciprocal lead screw 5 and fixed disk 6 cooperation are the up-and-down motion on fixed disk 6 when reciprocal lead screw 5 rotates to the realization rolls to the likepowder in cavity 3.

In the briquetting mechanism, the clamp plate 11 is driven by the power mechanism to press down, the power mechanism selects conventional technical means, too much description is not made here, the slide plate 8 moves to drive the partition plate 9 to move, the partition plate 9 corresponds to the position of the clamp plate 11, the sectional area of the partition plate 9 is larger than that of the clamp plate 11, the clamp plate 11 can not be influenced by the slide plate 8 when pressing down, a sliding groove 12 is arranged between the slide plate 8 and the briquetting box 7, a limiting hole 13 is arranged on the sliding groove 12, a limiting block 14 is arranged on the slide plate 8 and matched with the limiting hole 13, and when the limiting block 14 is matched with the limiting holes 13 on two sides respectively, the two partition plates 9 correspond to the position of the.

Compared with the prior art, the utility model, following have beneficial effect: the solid waste is repeatedly crushed by adopting a two-stage crushing device, so that the solid waste is more likely to be agglomerated; the powder material can be scattered more evenly when being pressed into blocks, the internal structure of the blocks after being pressed into blocks is stable, the blocks are not cracked due to looseness, and the blocks cannot be burnt incompletely due to over compactness.

Claims

1. A dangerous waste pretreatment device is characterized by comprising a primary crushing mechanism (1), a secondary crushing mechanism and a briquetting mechanism, wherein an outlet of the primary crushing mechanism (1) is connected with an inlet of the secondary crushing mechanism, and an outlet of the secondary crushing mechanism is connected with an inlet of the briquetting mechanism; the secondary crushing mechanism comprises a crushing barrel (2), a conical cavity (3) is arranged in the crushing barrel (2), a crushing wheel (4) is coaxially arranged above the crushing barrel (2), the lower end of the crushing wheel (4) is the same as the conical structure of the cavity (3), a reciprocating lead screw (5) is arranged above the crushing wheel (4), a fixed disc (6) is arranged outside the reciprocating lead screw (5), the reciprocating lead screw (5) rotates actively, and the reciprocating lead screw (5) moves vertically and reciprocally on the fixed disc (6) when rotating; briquetting mechanism includes briquetting case (7), horizontal sliding is provided with slide (8) in briquetting case (7), slide (8) length is greater than twice briquetting case (7) length, baffle (9) have been placed on slide (8), be equipped with through-hole (10) of large aperture on baffle (9), briquetting case (7) top is equipped with clamp plate (11), promote baffle (9) and move down on slide (8) when clamp plate (11) push down, drive baffle (9) when clamp plate (11) rise and reset in slide (8).

2. The hazardous waste pretreatment device of claim 1, wherein the primary crushing mechanism (1) is a roll crusher.

3. The pretreatment apparatus for hazardous waste according to claim 1, wherein the briquetting tank (7) is provided with a slide groove (12), and the slide plate (8) slides in the slide groove (12).

4. The pretreatment device for hazardous waste according to claim 3, wherein a limiting hole (13) is provided above the sliding groove (12) at both sides of the briquetting tank (7), a limiting block (14) is provided on the sliding plate (8), the limiting block (14) is located at the middle section of the sliding plate (8), and the sliding plate (8) is fixed when the limiting block (14) slides into the limiting hole (13).

5. The pretreatment apparatus for hazardous waste according to claim 1, wherein the partition (9) has a cross-section of a T-shape with a small top and a large bottom, and the partition (9) is connected to the slide plate (8) by a first magnet (15).

6. The pretreatment apparatus for hazardous waste according to claim 1, wherein the area of the pressing plate (11) is smaller than the area of the top surface of the partition plate (9), and a second magnet (16) for adsorption connection is provided below the pressing plate (11) and above the partition plate (9).

7. A hazardous waste pretreatment device according to claim 1, wherein a first hydraulic cylinder (17) is connected to the side of the slide plate (8).

8. The hazardous waste pretreatment device of claim 3, wherein a movable plate is disposed on the side of the briquetting tank (7) below the chute (12), the movable plate is connected with a second hydraulic cylinder (18), and a movable opening is disposed on the side wall of the briquetting tank (7) opposite to the movable plate.