CN219063471U

CN219063471U - Dangerous waste feed arrangement of high-efficient safety

Info

Publication number: CN219063471U
Application number: CN202223011191.0U
Authority: CN
Inventors: 刘柱; 娄嘉林; 魏文; 常万博; 苏华阳
Original assignee: Zhonghuanxin Environmental Protection Co ltd
Current assignee: Zhonghuanxin Environmental Protection Co ltd
Priority date: 2022-11-13
Filing date: 2022-11-13
Publication date: 2023-05-23
Anticipated expiration: 2032-11-13

Abstract

The utility model provides a high-efficient safe dangerous waste feed arrangement, includes the hopper, is provided with the pusher below the hopper, and the propelling movement front end of pusher is the chute, and the pusher is with the waste push down along the chute, and the waste enters the rotary kiln inside along the chute; the pusher is obliquely arranged on the bracket; two-stage hydraulic driving sealing doors are arranged between the hopper and the rotary kiln: the first-stage hydraulic driving sealing door is a first-stage gate valve arranged at the lower part of the stub bar; the second-stage hydraulic driving sealing door is a second-stage gate valve arranged at the tail end of the pusher; the first-stage gate valve and the second-stage gate valve are of a gate type structure. The beneficial effects of the utility model are as follows: the chute is added at the rear part of the pusher: due to the increase of the inclination, a platform is added at the lower part of the manual feeding port, so that feeding and cleaning of accumulated materials at the rear part of the pushing head are facilitated; the inclination angle is 12 degrees, so that the thrust is reduced; the flashboard type fireproof door is safer.

Description

Dangerous waste feed arrangement of high-efficient safety

Technical Field

The utility model belongs to the field of hazardous waste treatment, and particularly relates to a feeding device for hazardous waste.

Background

The hopper is used for feeding the waste into a transfer bin in front of the rotary kiln. And a hopper opening video monitor for monitoring the working state in the hopper. The hopper is made of steel and is arranged in front of the kiln head. The hopper is provided with two stages of hydraulic driving sealing doors so as to ensure the negative pressure in the furnace. The first-stage sealing door is processed by steel plates. The second-stage sealing door is provided with a fire-resistant heat-insulating material for preventing heat from being transferred to the outside due to radiant heat in the kiln. The sealing door driving hydraulic push rod is provided with a limiting device. In order to prevent the hopper from being heated and adhering to waste, a cooling water jacket is arranged at the lower part of the receiving hopper, and cooling water is provided with a circulating water tank and is forced to circulate by a pump.

The pushing device is used for pushing the waste in the hopper into the rotary kiln for incineration through the reciprocating motion of the pushing device. The hydraulic pushing device is arranged at the lower part of the feeding hopper, and waste in the feeding hopper is pushed into the rotary kiln through the reciprocating motion of the pushing device. The structure of the pushing device is push type and hydraulically driven. The stroke, the movement speed and the time interval of the pushing device are all adjustable. The hydraulic pushing device is supported on the table top, the pushing head is made of heat-resistant cast steel, the rear part of the pushing head is connected with the steel groove, rollers are arranged in the steel groove, the rollers roll on the table top, and friction force is reduced.

The sealing device is arranged at the joint of the pushing device and the hopper, and can prevent scattered materials from being carried out and scattered when the scattered materials are retreated by the pushing mechanism. Meanwhile, a two-stage sealing door is arranged in the integral device, the pushing mechanism is provided with a hydraulic pump station, and the pressure and the flow of the hydraulic system are adjustable.

However, in the prior art, a fireproof door of the pushing device is of a turnover plate type, fire is often fleed, potential safety hazards are large, and the whole feeding device is easy to corrode and deform.

Disclosure of Invention

The utility model aims to solve the technical problems that: how to prolong the service life of the feeding device and provide a high-efficiency and safe dangerous waste feeding device.

The technical scheme of the utility model is as follows:

the utility model provides a high-efficient safe dangerous waste feed arrangement, includes the hopper, is provided with the pusher below the hopper, and the propelling movement front end of pusher is the chute, and the pusher is with the waste push down along the chute, and the waste enters the rotary kiln inside along the chute; the pusher is obliquely arranged on the bracket; two-stage hydraulic driving sealing doors are arranged between the hopper and the rotary kiln: the first-stage hydraulic driving sealing door is a first-stage gate valve arranged at the lower part of the stub bar; the second-stage hydraulic driving sealing door is a second-stage gate valve arranged at the tail end of the pusher; the first-stage gate valve and the second-stage gate valve are of a gate type structure.

The angle of inclination of the pusher was 12 °.

The pusher comprises a pusher support and a pusher, the pusher is driven by a hydraulic cylinder, the top surface of the pusher support is an inclined surface, and the pusher support is fixedly connected to the support.

The bottom of the front end of the chute is provided with an ash discharging hole, the ash discharging hole is connected with an ash discharging pipe, the ash discharging pipe is vertically downwards arranged, and the bottom of the ash discharging pipe is a slag hole.

An access hole is arranged at the side of the chute.

The chute deep into the kiln head part adopts heat-resistant cast steel.

The beneficial effects of the utility model are as follows:

1. the chute is added at the rear part of the pusher: due to the increase of the inclination, a platform is added at the lower part of the manual feeding port, so that feeding and cleaning of accumulated materials at the rear part of the pushing head are facilitated;

2. the inclination angle is 12 degrees, so that the thrust is reduced;

3. the flashboard type fireproof door is safer.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a view from A-A in FIG. 1;

fig. 3 is a perspective view of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, 2 and 3, the high-efficiency and safe dangerous waste feeding device comprises a hopper 1, wherein the hopper 1 receives waste from a chain plate conveyor, a pusher is arranged below the hopper 1, the front pushing end of the pusher is a chute 6, the pusher pushes the waste downwards along the chute 6, and the waste enters the rotary kiln along the chute 6.

The pusher is obliquely arranged on the bracket 7, and the inclination angle of the pusher is 12 degrees, so that the pushing force of the pusher is reduced.

Further, the pusher comprises a pusher support 3 and a pusher cylinder 4, the pusher cylinder 4 is driven by a hydraulic cylinder, the top surface of the pusher support 3 is an inclined surface, and the inclined angle of the pusher is adjusted by adjusting the inclined surface of the pusher support 3. During installation, the pusher bracket 3 is fixedly connected to the bracket 7.

The hopper 1 is made of steel and is arranged in front of the kiln head. Two stages of hydraulic driving sealing doors are arranged between the hopper 1 and the rotary kiln to ensure the negative pressure in the furnace. The first-stage hydraulic driving sealing door is a first-stage gate valve 2 arranged at the lower part of the material head 1, and the first-stage gate valve 2 is opened left and right; the second-stage hydraulic driving sealing door is a second-stage gate valve 5 arranged at the tail end of the pusher, and the second-stage gate valve 5 is opened up and down. The first-stage gate valve 2 and the second-stage gate valve 5 are of a gate type structure, are formed by processing steel plates and are driven by respective double hydraulic synchronous cylinders. Therefore, the sealing door formed by the two-stage gate valve avoids radiant heat in the kiln and prevents heat from being transferred to the outside.

Further, the hydraulic cylinders of the push cylinder 4 and the hydraulic cylinders of the first-stage gate valve 2 and the second-stage gate valve 5 share a hydraulic pump station, and the pressure and the flow of the hydraulic system can be adjusted. And the pusher, the first-stage gate valve 2 and the second-stage gate valve 5 are all connected with a control system, and the control system controls the actions of all the parts.

Further, an ash discharging hole is formed in the bottom of the front end of the chute 6, the ash discharging hole is connected with an ash discharging pipe 8, the ash discharging pipe 8 is vertically downwards arranged, and the bottom of the ash discharging pipe 8 is a slag hole.

Further, an access hole 9 is formed on the side of the chute 6.

Further, the chute 6 penetrating into the kiln head part adopts heat-resistant cast steel, and the structural style avoids equipment defects and faults caused by adopting a traditional water jacket and a traditional air jacket.

The working principle of the utility model is as follows:

the opening of the hopper 1 is a waste feeding hole, and after waste enters from the hopper 1, the control system controls the opening of the first-stage gate valve 2, and the waste falls to the front end of the chute 6. At the moment, the control system controls the pusher to work, the hydraulic cylinder drives the push rod of the pushing cylinder 4 to push the waste obliquely downwards, and the waste in the hopper 1 is pushed into the rotary kiln to be burnt through the reciprocating motion of the pusher. The pusher is arranged at the lower part of the first-stage gate valve 2, and the pusher is in an inclined pushing type structure, so that the inclination angle is 12 degrees, and the stroke, the movement speed and the time of the pusher are adjustable.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a high-efficient safe hazardous waste feed arrangement, includes hopper (1), and the below of hopper (1) is provided with pusher, its characterized in that: the pushing front end of the pusher is provided with a chute (6), the pusher pushes the waste downwards along the chute (6), and the waste enters the rotary kiln along the chute (6); the pusher is obliquely arranged on the bracket (7); two-stage hydraulic driving sealing doors are arranged between the hopper (1) and the rotary kiln: the first-stage hydraulic driving sealing door is a first-stage gate valve (2) arranged at the lower part of the hopper (1); the second-stage hydraulic driving sealing door is a second-stage gate valve (5) arranged at the tail end of the pusher; the first-stage gate valve (2) and the second-stage gate valve (5) are of a gate-type structure.

2. An efficient and safe hazardous waste feeding device according to claim 1, wherein: the angle of inclination of the pusher was 12 °.

3. An efficient and safe hazardous waste feeding device according to claim 2, wherein: the pusher comprises a pusher support (3) and a pusher (4), the pusher (4) is driven by a hydraulic cylinder, the top surface of the pusher support (3) is an inclined surface, and the pusher support (3) is fixedly connected to the support (7).

4. An efficient and safe hazardous waste feeding device according to claim 1, wherein: an ash discharging hole is formed in the bottom of the front end of the chute (6), the ash discharging hole is connected with an ash discharging pipe (8), the ash discharging pipe (8) is vertically downwards arranged, and the bottom of the ash discharging pipe (8) is a slag hole.

5. An efficient and safe hazardous waste feeding device according to claim 1, wherein: an access hole (9) is arranged at the side of the chute (6).

6. An efficient and safe hazardous waste feeding device according to claim 1, wherein: the chute (6) penetrating into the kiln head part adopts heat-resistant cast steel.