CN112197274A

CN112197274A - Useless afterburning device of danger

Info

Publication number: CN112197274A
Application number: CN202011082595.1A
Authority: CN
Inventors: 王秋光; 周至山; 周雅婷; 邢栋材
Original assignee: Anhui Wanshanhong Environmental Protection Technology Co ltd
Current assignee: Anhui Wanshanhong Environmental Protection Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-08

Abstract

The invention relates to the technical field of hazardous waste combustion, and discloses a hazardous waste secondary combustion device which comprises a combustion chamber and an ash discharge pool, wherein the combustion chamber is arranged at the top of the ash discharge pool, the left side wall of the combustion chamber is communicated with the ash discharge end of a rotary kiln, a combustor is arranged on the right side of the combustion chamber, an ash pressing net is fixedly arranged in the middle of the inner wall of the combustion chamber, a rotating shaft in rotating connection penetrates through the middle of the ash pressing net, a fixing frame is interactively sleeved at the upper end of the rotating shaft and fixed at the upper end of the inner wall of the combustion chamber, a scraper is fixed in the middle of the outer circular surface of the rotating shaft, the top of the scraper is in contact with the bottom of the ash pressing net, two groups of supports are fixed at the lower end of the rotating. The invention solves the problems of insufficient ash combustion, inconvenient bottom ash cleaning, and labor and time waste of the traditional hazardous waste secondary combustion equipment.

Description

Useless afterburning device of danger

Technical Field

The invention relates to the technical field of hazardous waste combustion, in particular to a hazardous waste secondary combustion device.

Background

In recent years, with the development of industry and the improvement of human living standard, the yield of solid waste is more and more, and the composition is more and more complex. The treatment and disposal of solid waste is also a considerable concern in various countries. With the continuous improvement of the comprehensive strength of China, China has become the largest manufacturing country in the world. The huge amount of solid waste occupies a large amount of land, and harmful substances in the solid waste can cause pollution to the land and water environment and harm human health, so that the harm of the dangerous solid waste is not negligible. How to treat or stabilize the dangerous wastes more effectively, environmentally and completely becomes a great concern in the world today.

Waste residue burns the method that adopts rotary kiln incinerator and postcombustion chamber usually, burn simultaneously for guaranteeing that the waste residue burns completely, insert the rotary kiln in the postcombustion chamber, the lime-ash that the rotary kiln was not burnt up falls into the postcombustion chamber and continues burning like this, but in practical application, the lime-ash that comes out from the rotary kiln falls into the toper fill of postcombustion chamber, under self action of gravity, from falling into the bottom ash hole that sideslips, the lime-ash of current postcombustion chamber bottom is piled up, and insufficient air contact, lead to the burning inadequately, and the ash hole blocks up easily, the clearance is very inconvenient again, take trouble and difficultly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hazardous waste secondary combustion device, which solves the problems of insufficient ash combustion, inconvenient bottom ash cleaning, trouble and labor waste of the traditional hazardous waste secondary combustion equipment.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a hazardous waste secondary combustion device comprises a combustion chamber and an ash discharge pool, wherein the combustion chamber is arranged at the top of the ash discharge pool, the left side wall of the combustion chamber is communicated with the ash discharge end of a rotary kiln, a combustor is arranged on the right side of the combustion chamber, an ash pressing net is fixedly arranged in the middle of the inner wall of the combustion chamber, a rotating shaft in rotating connection penetrates through the middle of the ash pressing net, a fixing frame is interactively sleeved at the upper end of the rotating shaft and fixed at the upper end of the inner wall of the combustion chamber, a scraping plate is fixed in the middle of the outer circular surface of the rotating shaft, the top of the scraping plate is in contact with the bottom of the ash pressing net, two groups of supports are fixed at the lower end of the rotating shaft, an ash scraping plate is fixed at one end, away from the rotating shaft, of each group of supports, a top cover is arranged at the top of the combustion chamber, the top of the top cover is communicated with an emergency, the output shaft of the motor and the upper end of the rotating shaft are respectively sleeved with a chain wheel, and the two chain wheels are in transmission connection through a chain;

the lower end of the inner wall of the combustion chamber is fixedly provided with a funnel, the bottom end of the funnel penetrates through the bottom of the combustion chamber, the edge of the top end of the funnel is provided with a plurality of air leakage through holes, the bottom of the combustion chamber is fixedly provided with an ash guide cover, the left side wall of the ash guide cover is fixedly provided with an air cylinder, the output end of the air cylinder is fixedly provided with a baffle, the top of the baffle is in contact with the discharge hole of the funnel, the left side wall of the combustion chamber is communicated with an air guide pipe, and one end of the;

a fixed spiral type lifting machine penetrates through the right side wall of the ash discharging pool, a feeding end of the spiral type lifting machine is communicated with a flexible hose, the top end of the flexible hose is communicated with a receiving hopper, a floating plate is arranged on the outer surface of the receiving hopper, and an automatic ash cleaning device is arranged between the left end of the top of the floating plate and the inner wall of the ash discharging pool;

the automatic ash removal device comprises a fixing block and a connecting block, the fixing block is fixed on the inner wall of the ash discharging pool, a first button is fixedly mounted at the bottom of the fixing block, two sliding rods which are distributed around the connecting block penetrate through the top of the connecting block, the bottoms of the sliding rods are fixed with the top of the floating plate, a touch plate is fixedly mounted at the upper end of each sliding rod, and a second button is fixedly mounted at the top of the connecting block.

Preferably, the ash pressing net is an iron net.

Preferably, the interior of the ash discharging pool is filled with water with half volume of the ash discharging pool.

Preferably, the first button and the second button are electrically connected with the spiral elevator through wires.

Preferably, the float plate floats on the water surface inside the ash pit.

Preferably, the discharge end of the ash guiding cover is positioned right above the receiving hopper.

Preferably, the number of the brackets in each group is three, and the brackets are gradually shortened from top to bottom.

Preferably, a plurality of through holes at the top edge of the funnel are distributed in a circular ring shape.

Preferably, the touch panel is located between first button and the second button, and the top and the bottom of touch panel all are provided with the rubber pad.

(III) advantageous effects

Compared with the prior art, the invention provides a hazardous waste secondary combustion device, which has the following beneficial effects:

1. according to the invention, through the ash pressing net, a part of dust floating along with the waste gas can be blocked, and then the dust on the ash pressing net is scraped by the scraper driven by the rotating shaft and then falls down for collection, so that the effect of subsequent dust removal treatment on the waste gas is improved.

2. The scraping plate which is arranged between the bracket and the hopper and is in contact with the hopper can stir bottom ash, prevent the ash from agglomerating, enable the ash to contact air in a larger area, ensure thorough combustion, increase the combustion efficiency and prevent the ash from agglomerating on the inner wall of the hopper to influence later cleaning.

3. According to the invention, through holes distributed annularly are arranged at the edge of the top of the hopper, and external air flow is uniformly brought into the combustion chamber under the action of the air blower, so that sufficient combustion of ash and slag is ensured.

4. According to the invention, through the connecting block, the first button, the sliding rod, the touch plate and the second button, as ash falls on the receiving hopper gradually, the floating plate is pressed to sink by weight, so that the touch plate presses the second button, the spiral elevator is started to take out and collect materials, the operation of automatically removing the ash is realized, the cleaning time of workers is saved, the labor capacity is reduced, the working efficiency is improved, the energy consumption is also reduced, and the environment is protected.

Drawings

FIG. 1 is a front view of a hazardous waste secondary combustion device of the present invention;

FIG. 2 is a sectional view of a hazardous waste secondary combustion device of the present invention;

FIG. 3 is a front view of the automatic ash removal device of the present invention;

FIG. 4 is a schematic view of the ash pressing net and the rotating shaft according to the present invention;

fig. 5 is an enlarged view of the invention at a in fig. 2.

In the figure: the device comprises a combustion chamber 1, an ash discharging pool 2, a combustor 3, an ash pressing net 4, a rotating shaft 5, a fixing frame 6, a scraping plate 7, a support 8, an ash scraping plate 9, a top cover 10, an emergency discharge chimney 11, an exhaust pipe 12, a motor 13, a chain wheel 14, a hopper 15, an ash guide cover 16, an ash guide cover 17, a baffle 18, an air guide pipe 19, an air blower 20, a spiral elevator 21, a telescopic hose 22, a hopper 23, a floating plate 24, an automatic ash cleaning device 25, a fixing block 251, a connecting block 252, a first button 253, a sliding rod 254, a contact plate 255 and a second button 256.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a hazardous waste secondary combustion device comprises a combustion chamber 1 and an ash discharging pool 2, wherein the ash discharging pool 2 is filled with water with half volume of the ash discharging pool 2, the combustion chamber 1 is arranged at the top of the ash discharging pool 2, the left side wall of the combustion chamber 1 is communicated with the ash discharging end of a rotary kiln, a combustor 3 is arranged at the right side of the combustion chamber 1, an ash pressing net 4 is fixedly arranged in the middle of the inner wall of the combustion chamber 1, the ash pressing net 4 is made of iron, a rotating shaft 5 in rotary connection penetrates through the middle of the ash pressing net 4, a fixing frame 6 is interactively sleeved at the upper end of the rotating shaft 5, the fixing frame 6 is fixed at the upper end of the inner wall of the combustion chamber 1, a scraper 7 is fixed in the middle of the outer circular surface of the rotating shaft 5, the top of the scraper 7 is in contact with the bottom of the ash pressing net 4, two groups of supports 8 are fixed at the lower end of the rotating shaft 5, the number of each group of supports 8 is three and gradually, the top of the combustion chamber 1 is provided with a top cover 10, the top of the top cover 10 is communicated with an emergency discharge chimney 11, the upper end of the side wall of the combustion chamber 1 is communicated with an exhaust pipe 12, the top of the combustion chamber 1 is fixedly provided with a motor 13, an output shaft of the motor 13 penetrates through and extends into the combustion chamber 1, the output shaft of the motor 13 and the upper end of the rotating shaft 5 are both sleeved with chain wheels 14, and the two chain wheels 14 are in transmission connection through a chain;

the lower end of the inner wall of the combustion chamber 1 is fixedly provided with a funnel 15, a plurality of through holes at the edge of the top end of the funnel 15 are distributed in a circular ring shape, the bottom end of the funnel 15 penetrates through the bottom of the combustion chamber 1, a plurality of air leakage through holes are formed at the edge of the top end of the funnel 15, an ash-leading cover 16 is fixedly arranged at the bottom of the combustion chamber 1, the discharge end of the ash-leading cover 16 is positioned right above a material receiving hopper 23, an air cylinder 17 is fixed on the left side wall of the ash-leading cover 16, a baffle 18 is fixed at the output end of the air cylinder 17, the top of the baffle 18 is contacted with the position of a discharge hole of the funnel 15, the left side wall of the;

a fixed spiral type lifting machine 21 penetrates through the right side wall of the ash discharging pool 2, the feeding end of the spiral type lifting machine 21 is communicated with a flexible hose 22, the top end of the flexible hose 22 is communicated with a material receiving hopper 23, a floating plate 24 is arranged on the outer surface of the material receiving hopper 23, the floating plate 24 floats on the water surface in the ash discharging pool 2, and an automatic ash cleaning device 25 is arranged between the left end of the top of the floating plate 24 and the inner wall of the ash discharging pool 2;

automatic ash removal device 25 includes fixed block 251 and connecting block 252, fixed block 251 is fixed on the inner wall of play ash pond 2, the bottom fixed mounting of fixed block 251 has first button 253, first button 253 and second button 256 pass through wire electric connection with spiral lifting machine 21, and the circuit is conventional known circuit, the top of connecting block 252 runs through two slide bars 254 that the activity was provided with front and back distribution, the bottom of slide bar 254 is fixed with the top of kickboard 24, the upper end fixed mounting of slide bar 254 has conflict board 255, conflict board 255 is located between first button 253 and the second button 256, and conflict board 255's top and bottom all are provided with the rubber pad, the top fixed mounting of connecting block 252 has second button 256.

The working principle is as follows: when the rotary kiln ash removal device works, the motor 13, the blower 20 and the combustor 3 are started, through the matching of the chain wheel 14 and the chain, the rotating shaft 5 rotates, ash slag is guided into the combustion chamber 1 by the ash outlet end of the external rotary kiln to be combusted again, the dust part in waste gas can be adhered to the bottom of the ash pressing net 4, along with the rotation of the rotating shaft 5, the scraper 7 scrapes the dust off and falls down, the rotating shaft 5 drives the ash scraping plate 9 to rotate through the arranged support 8, the support 8 rotates to stir the ash slag in the hopper 15, so that the ash slag is fully contacted with air to be combusted, the complete combustion is ensured, the scraper 7 scrapes the ash slag on the inner wall of the hopper 15 along with the rotation to prevent the ash slag from being bonded on the inner wall, the subsequent slag removal and cleaning work is convenient, after the ash slag is fully removed, the cylinder 17 is started, the baffle 18 is opened, the ash slag falls into the receiving, thereby also drive touch panel 255 and move down, when the lime-ash reaches a certain amount in funnel 15, touch panel 255 triggers second button 256, starts spiral lifting machine 21 and takes the lime-ash out the collection, and along with the reduction of receiving hopper 23 lime-ash, kicking up gradually on floating plate 24, triggers first button 253 until touch panel 255, stops spiral lifting machine 21's work, accomplishes the deashing work.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a useless post combustion device of danger, includes combustion chamber (1) and ash discharging pool (2), and combustion chamber (1) sets up at the top of ash discharging pool (2), its characterized in that: the left side wall of the combustion chamber (1) is communicated with the ash discharging end of the rotary kiln, a combustor (3) is arranged on the right side of the combustion chamber (1), an ash pressing net (4) is fixedly installed in the middle of the inner wall of the combustion chamber (1), a rotating shaft (5) in rotary connection penetrates through the middle of the ash pressing net (4), a fixing frame (6) is interactively sleeved at the upper end of the rotating shaft (5), the fixing frame (6) is fixed at the upper end of the inner wall of the combustion chamber (1), a scraping plate (7) is fixed in the middle of the outer circular surface of the rotating shaft (5), the top of the scraping plate (7) is in contact with the bottom of the ash pressing net (4), two groups of supports (8) are fixed at the lower end of the rotating shaft (5), an ash scraping plate (9) is fixed at one end, far away from the rotating shaft (5), of each group of supports (8), a top cover (10) is arranged at the top of the combustion chamber (1), an emergency discharge, a motor (13) is fixedly installed at the top of the combustion chamber (1), an output shaft of the motor (13) penetrates through and extends into the combustion chamber (1), chain wheels (14) are sleeved on the output shaft of the motor (13) and the upper end of the rotating shaft (5), and the two chain wheels (14) are in transmission connection through chains;

the lower end of the inner wall of the combustion chamber (1) is fixedly provided with a funnel (15), the bottom end of the funnel (15) penetrates through the bottom of the combustion chamber (1), the top edge of the funnel (15) is provided with a plurality of air leakage through holes, the bottom of the combustion chamber (1) is fixedly provided with an ash-leading cover (16), the left side wall of the ash-leading cover (16) is fixedly provided with a cylinder (17), the output end of the cylinder (17) is fixedly provided with a baffle (18), the top of the baffle (18) is in contact with the discharge hole of the funnel (15), the left side wall of the combustion chamber (1) is communicated with an air guide pipe (19), and one end of the air guide pipe (19) is provided with an;

a fixed spiral elevator (21) penetrates through the right side wall of the ash discharging pool (2), the feeding end of the spiral elevator (21) is communicated with a flexible hose (22), the top end of the flexible hose (22) is communicated with a receiving hopper (23), a floating plate (24) is arranged on the outer surface of the receiving hopper (23), and an automatic ash cleaning device (25) is arranged between the left end of the top of the floating plate (24) and the inner wall of the ash discharging pool (2);

the automatic ash removal device (25) comprises a fixing block (251) and a connecting block (252), the fixing block (251) is fixed on the inner wall of the ash discharging pool (2), a first button (253) is fixedly installed at the bottom of the fixing block (251), two sliding rods (254) which are movably arranged in the front-back distribution mode are arranged at the top of the connecting block (252) in a penetrating mode, the bottoms of the sliding rods (254) are fixed with the top of the floating plate (24), a touch plate (255) is fixedly installed at the upper end of each sliding rod (254), and a second button (256) is fixedly installed at the top of the connecting block (252).

2. The hazardous waste secondary combustion device of claim 1, wherein: the ash pressing net (4) is made of iron.

3. The hazardous waste secondary combustion device of claim 1, wherein: and water with the volume of one half of that of the ash discharging pool (2) is filled in the ash discharging pool (2).

4. The hazardous waste secondary combustion device of claim 1, wherein: the first button (253) and the second button (256) are electrically connected with the spiral elevator (21) through wires.

5. The hazardous waste secondary combustion device of claim 1, wherein: the floating plate (24) floats on the water surface in the ash discharging pool (2).

6. The hazardous waste secondary combustion device of claim 1, wherein: the discharge end of the ash guiding cover (16) is positioned right above the receiving hopper (23).

7. The hazardous waste secondary combustion device of claim 1, wherein: the number of the brackets (8) in each group is three, and the brackets are gradually shortened from top to bottom.

8. The hazardous waste secondary combustion device of claim 1, wherein: the plurality of through-holes at the top edge of the funnel (15) are distributed in a circular ring shape.

9. The hazardous waste secondary combustion device of claim 1, wherein: the touch panel (255) is located between the first button (253) and the second button (256), and rubber pads are arranged at the top and the bottom of the touch panel (255).