CN215930507U

CN215930507U - Sectional type combustion furnace

Info

Publication number: CN215930507U
Application number: CN202122465426.2U
Authority: CN
Inventors: 孟繁涛
Original assignee: Chinalco Wancheng Shandong Construction Co ltd; Chinalco Shandong Engineering Technology Co ltd
Current assignee: Chinalco Wancheng Shandong Construction Co ltd; Chinalco Shandong Engineering Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-01
Anticipated expiration: 2031-10-13

Abstract

A sectional type combustion furnace belongs to the technical field of incineration devices. The rotary kiln is the most common equipment for burning and disposing various wastes at present, and is widely used in the field of burning and disposing of wastes. But has the defects of large investment, large quantity of fixed incineration raw materials and the like. The utility model comprises a first-stage combustion chamber, a second-stage combustion chamber, a third-stage combustion chamber and a fourth-stage combustion chamber, wherein each stage of combustion chamber is communicated, the bottom surface of each stage of combustion chamber is sequentially reduced along with the increase of the stage, and each stage of combustion chamber is respectively provided with a combustor; the bottom of the side surface of each stage of combustion chamber at the same side is correspondingly provided with a pushing mechanism, and the pushing direction is the next stage of combustion chamber. The manufacturing cost is low, the energy consumption is low, the combustion is sufficient, and the batch continuous incineration can be realized.

Description

Sectional type combustion furnace

Technical Field

A sectional type combustion furnace belongs to the technical field of incineration devices.

Background

The rotary kiln is the most common equipment for burning and disposing various wastes at present, and is widely used in the field of burning and disposing of wastes. But has the defects of large investment, fixed incineration raw materials, continuous production once starting, and suitability for large-scale continuous incineration waste treatment with higher requirement. The common fixed combustion furnace usually needs higher temperature to fully combust, possibly has the problems of dead angles of incineration and the like, and usually needs to be opened intermittently to clean the waste slag, so that the continuous operation cannot be realized.

The treatment capacity is not very large, the waste treatment with complex types is realized, the investment and income ratio of rotary kiln incineration is not ideal, and the treatment capacity and the process of the common fixed incinerator can not meet the requirements, so that the small-batch or complex-type waste can be accumulated to reach a certain amount and then is intensively incinerated, the storage cost is increased, the occupied space is occupied, and the labor amount is increased by transferring the waste back and forth.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the sectional type combustion furnace overcomes the defects of the prior art, is suitable for various grades and batch waste treatment, and is energy-saving and environment-friendly.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a staged combustion furnace, comprising: the combustion chamber comprises a first-stage combustion chamber, a second-stage combustion chamber, a third-stage combustion chamber and a fourth-stage combustion chamber, wherein the combustion chambers are communicated in sequence, the heights of the bottom surfaces of the combustion chambers are reduced in sequence, and the combustion chambers are respectively provided with a combustor; and the side surface of the bottom of each stage of combustion chamber on the feeding side is correspondingly provided with a pushing mechanism, and the pushing direction is the next stage of combustion chamber.

A traditional fixed combustion furnace is divided into a plurality of combustion chambers and is provided with a combustor independently, and any combustion chamber can be burnt independently. The mode that utilizes to reduce horizontal position in proper order makes the thing that is incinerated form the cascaded form that descends and go forward, cooperates pushing mechanism at different levels, burn at a combustion chamber and accomplish once the back, can promote the thing that is incinerated and get into combustion chamber of subordinate, simultaneously because there is the ladder of height drop, will produce when the thing that is incinerated gets into combustion chamber of subordinate and roll, thereby can spill the one side that will be covered, or will be rolled by the parcel target object in inside and spill, obtain fully burning in combustion chamber of subordinate, the effect that the rubbish rolled in the rotary furnace has been formed equivalently.

Different levels of incineration degrees can be correspondingly set for different types of waste through the combustion chambers, so that the waste can be used for multiple purposes in one furnace, and the waste treatment cost of enterprises is reduced; the internal waste can be rolled, and multi-angle full incineration is achieved; particularly, the waste wrapped inside can be exposed and fully incinerated after being separated from external ash after being rolled, and the incineration effect is better; because the heating is not needed to be fully performed from outside to inside through ultrahigh temperature, the fuel can be effectively saved; different combustion chambers of the same combustion furnace can simultaneously process a plurality of groups of wastes, thereby improving the working efficiency, fully utilizing the residual temperature in the furnace and further reducing the energy consumption; the cost of the modification on the basis of the existing fixed combustion furnace is obviously reduced compared with that of a rotary furnace, and the cost of a modified kit is low.

Preferably, the burners in each stage of the combustion chamber are arranged at the top of the combustion chamber.

The ash slag on the surface of the ash slag flying is provided from the top downwards, the waste is easy to concentrate, the cleaning difficulty is reduced, and the combustion effect and the burnt angle are easy to control.

Preferably, each stage of combustion chamber is respectively and correspondingly provided with a controller, and the controllers are arranged on the outer sides of the combustion chambers and connected with the corresponding pushing mechanisms and the corresponding combustors.

When different multiunit wastes are handled simultaneously at different combustion chambers, the combustion chambers at different levels are equipped with independent operating personnel respectively and operate, and accurate control reduces the rate of maloperation. The processing efficiency is improved.

Preferably, a feed inlet is arranged above the feeding side of the primary combustion chamber.

Dump the rubbish to pushing mechanism's the direction dead ahead from pushing mechanism top, fully pass the rubbish when easily pushing mechanism promotes to next-level combustion chamber, avoid the excessive dispersion of rubbish.

Preferably, still include the slag discharging room, the slag discharging room communicates the level four combustion chamber, sets up in pushing mechanism's promotion direction, and the slag discharging room bottom is equipped with the row cinder notch, and row cinder notch below is equipped with the ash conveyor.

The ash and slag burned by the four-stage combustion chamber are directly pushed into the slag discharge chamber and enter the ash and slag conveyor, and the ash and slag conveyor is not exposed in the whole process and is free from being contacted by people, so that the environment and the health of operators are protected.

Preferably, the pushing mechanism comprises a push rod and a push head, the push head is arranged in the combustion chamber, the push rod is connected with the push head, and the push rods of the pushing mechanisms corresponding to the secondary combustion chamber, the tertiary combustion chamber and the fourth-stage combustion chamber are respectively arranged below the bottom surface of the upper-stage combustion chamber.

The push rod can adopt an electrically controlled cylinder or an electric cylinder and the like and is arranged inside the stepped structure, so that the push rod is prevented from contacting high temperature, and meanwhile, the occupied area is reduced.

Preferably, the device also comprises a five-stage combustion chamber, and the five-stage combustion chamber is communicated with a discharge hole of the four-stage combustion chamber.

The multi-stage combustion chamber can be added at the rear of the multi-stage combustion chamber according to the requirement to meet the special waste incineration requirement, or the multi-stage combustion chamber is divided and provided with the multi-stage combustor on the basis of the existing fixed combustion furnace, so that the incineration effect is improved.

Compared with the prior art, the utility model has the beneficial effects that: different levels of incineration degrees can be correspondingly set for different types of wastes, so that one furnace has multiple purposes, and the waste treatment cost of enterprises is reduced; the internal waste can be rolled, and multi-angle full incineration is achieved; particularly, the waste wrapped inside can be exposed and fully incinerated after being separated from external ash after being rolled, and the incineration effect is better; because the heating is not needed to be fully performed from outside to inside through ultrahigh temperature, the fuel can be effectively saved; different combustion chambers of the same combustion furnace can simultaneously process a plurality of groups of wastes, thereby improving the working efficiency, fully utilizing the residual temperature in the furnace and further reducing the energy consumption; ash and slag are automatically discharged through an ash and slag conveyor, and the feeding mechanism and the pushing mechanism control the materials to advance, so that the automatic batch continuous work of waste incineration treatment is realized; the cost of the modification on the basis of the existing fixed combustion furnace is obviously reduced compared with that of a rotary furnace, and the cost of a modified kit is low.

Drawings

FIG. 1 is a schematic view of the internal structure of a sectional type combustion furnace according to embodiment 1.

FIG. 2 is a schematic view of the external structure of a sectional type combustion furnace according to embodiment 1.

FIG. 3 is a schematic view of the internal structure of the sectional type combustion furnace according to embodiment 2.

Wherein, 1, a first-stage combustion chamber; 2. a secondary combustion chamber; 3. a tertiary combustion chamber; 4. a four-stage combustion chamber; 5. a push rod; 6. pushing the head; 7. a burner; 8. a controller; 9. a slag discharge chamber; 10. a slag discharge port; 11. an ash conveyor; 12. a five-stage combustion chamber; 13. a feed inlet; 14. a feed guide rail.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1 to 3.

Example 1

With reference to figures 1, 2: a sectional type combustion furnace comprises a first-stage combustion chamber 1, a second-stage combustion chamber 2, a third-stage combustion chamber 3, a fourth-stage combustion chamber 4 and a deslagging chamber 9, wherein each stage of combustion chamber is communicated with the deslagging chamber 9, the bottom surface of each stage of combustion chamber is sequentially reduced along with the increase of the stage, the deslagging chamber 9 is communicated behind the fourth-stage combustion chamber 4, and the top part of each stage of combustion chamber is respectively provided with a combustor 7; the bottom of the side surface of each stage of combustion chamber on the same side is correspondingly provided with a pushing mechanism, and the pushing direction is the next stage of combustion chamber; the bottom of the slag discharging chamber 9 is provided with a slag discharging port 10, and a slag conveyer 11 is arranged below the slag discharging port 10.

Referring to FIG. 2: correspond one-level combustion chamber 1, second grade combustion chamber 2,

tertiary combustion chamber

3 and 4 bottom surfaces of level four combustion chamber, be equipped with operation platform respectively outside the combustion chamber, correspond respectively on the operation platform of each level combustion chamber and be equipped with controller 8, controller 8 sets up in the outside of combustion chamber, the pushing mechanism and the combustor 7 that connection control corresponds. The side of the pushing mechanism top of the first-level combustion chamber 1 is provided with a feeding hole 13, a feeding guide rail 14 is arranged outside the feeding hole 13, and a feeding push box is placed on the feeding guide rail 14 to feed the first-level combustion chamber 1.

Pushing mechanism includes push rod 5 and push head 6, and push head 6 sets up in the combustion chamber, and push rod 5 is connected and is pushed head 6, and one-level combustion chamber 1 corresponds pushing mechanism's push rod 5 and sets up in feeding guide rail 14 below, and second grade combustion chamber 2, tertiary combustion chamber 3 set up the bottom surface below at last one-level combustion chamber respectively with push mechanism's that level four combustion chamber 4 corresponds push rod 5.

Feeding materials into the primary combustion chamber 1 from the feeding hole 13 by using a feeding push box, starting the combustor 7 of the primary combustion chamber 1, then starting a pushing mechanism corresponding to the primary combustion chamber 1, pushing bottom surface ash and unburnt wastes to the bottom surface of the secondary combustion chamber 2, carrying out secondary combustion, sequentially operating, and finally entering an ash conveyor 11 through a slag discharge chamber 9 to finish treatment.

The gas consumption of the combustor 7 is far lower than that of the original fixed combustion furnace, no residual waste exists in ash slag, the combustion is sufficient, the combustion chamber can be independently controlled to work, the combustor can be applied to the incineration of various types of waste, and multiple groups of waste can be simultaneously and respectively treated.

Example 2

Referring to FIG. 3: a sectional combustion furnace is based on embodiment 1, a five-stage combustion chamber 12 is additionally arranged behind a four-stage combustion chamber 4, and a slag discharge chamber is arranged behind the five-stage combustion chamber 12.

The combustion effect is increased, and the waste can be fully incinerated under the condition of more waste.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A staged combustion furnace, comprising: the combustion chamber comprises a first-stage combustion chamber (1), a second-stage combustion chamber (2), a third-stage combustion chamber (3) and a fourth-stage combustion chamber (4), wherein the combustion chambers of all stages are communicated in sequence, the heights of the bottom surfaces of the combustion chambers of all stages are reduced in sequence, and the combustion chambers of all stages are respectively provided with a combustor (7); the bottom side of each stage of combustion chamber on the feeding side is correspondingly provided with a pushing mechanism, and the pushing direction is the next stage of combustion chamber.

2. The staged burner of claim 1, wherein: and the burners (7) in each stage of combustion chamber are arranged at the top of the combustion chamber.

3. The staged burner of claim 1, wherein: and each stage of combustion chamber is correspondingly provided with a controller (8), and the controllers (8) are arranged on the outer side of the combustion chamber and connected with corresponding pushing mechanisms and the combustors (7).

4. The staged burner of claim 1, wherein: a feeding hole (13) is formed above the feeding side of the primary combustion chamber (1).

5. The staged burner of claim 1, wherein: the four-stage combustion chamber is characterized by further comprising a slag discharging chamber (9), wherein the slag discharging chamber (9) is communicated with the four-stage combustion chamber (4) and is arranged in the pushing direction of the pushing mechanism, a slag discharging opening (10) is formed in the bottom of the slag discharging chamber (9), and an ash residue conveyor (11) is arranged below the slag discharging opening (10).

6. The staged burner of claim 1, wherein: pushing mechanism include push rod (5) and push head (6), push head (6) set up in the combustion chamber, push rod (5) are connected and are pushed head (6), push rod (5) of pushing mechanism that second grade combustion chamber (2), tertiary combustion chamber (3) and level four combustion chamber (4) correspond set up below the bottom surface of last level combustion chamber respectively.

7. The staged burner of claim 1, wherein: the four-stage combustor is characterized by further comprising a five-stage combustor (12), wherein the five-stage combustor (12) is communicated with a discharge hole of the four-stage combustor (4).