CN216143729U

CN216143729U - Kitchen waste incineration system

Info

Publication number: CN216143729U
Application number: CN202121735938.XU
Authority: CN
Inventors: 贺升; 万飞
Original assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Current assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-29
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a kitchen waste incineration system which comprises a waste crusher, a screening machine, a sand remover, a slurry pump, an incinerator and a flue gas purification system, wherein a discharge port of the waste crusher is in butt joint with a feed port of the screening machine, a slurry outlet of the screening machine is in butt joint with a feed port of the sand remover, and a flue gas outlet of the incinerator is communicated with the flue gas purification system; be equipped with atomizing nozzle in the burning furnace, be equipped with combustion air import on the lateral wall, combustion air import is connected with first draught fan, atomizing nozzle pass through the thick liquid pipe with degritting machine's thick liquid export intercommunication, be equipped with the thick liquid pump on the thick liquid pipe. The treatment system has the advantages of simple process and high treatment efficiency.

Description

Kitchen waste incineration system

Technical Field

The utility model belongs to the technical field of kitchen waste treatment, and particularly relates to a kitchen waste incineration system.

Background

The kitchen waste is one of urban organic waste, is complex in contained components, is a mixture of various substances such as oil, water, fruit peel, vegetables, fish, rice flour, bones, waste tableware, paper towels and plastics, has the characteristics of high oil and fat, high salt content and high nutritional ingredients, and is high in treatment difficulty. The conventional kitchen waste treatment mode is mainly a fermentation process. In both the aerobic fermentation process and the anaerobic fermentation process, the kitchen waste must be subjected to degreasing pretreatment, and salt-resistant microbial strains are adopted for fermentation, so that the fermentation time is long, the fermentation efficiency is low, and the fermentation process is complex. Therefore, it is necessary to develop a kitchen waste treatment process with simple process and high treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a kitchen waste incineration system with simple process and high treatment efficiency.

In order to solve the technical problems, the kitchen waste incineration system provided by the embodiment of the utility model comprises a waste crusher, a screening machine, a sand remover, a slurry pump, an incinerator and a flue gas purification system, wherein a discharge hole of the waste crusher is butted with a feed hole of the screening machine, a slurry outlet of the screening machine is butted with a feed hole of the sand remover, and a flue gas outlet of the incinerator is communicated with the flue gas purification system;

be equipped with atomizing nozzle in the burning furnace, be equipped with combustion air import on the lateral wall, combustion air import is connected with first draught fan, atomizing nozzle pass through the thick liquid pipe with degritting machine's thick liquid export intercommunication, be equipped with the thick liquid pump on the thick liquid pipe.

Specifically, a coarse material outlet of the screening machine is in butt joint with the sundries tank.

Specifically, the screening machine adopts a vibrating screening machine.

Specifically, the garbage crusher comprises a shell and two mutually meshed crushing wheels arranged in the shell.

Specifically, a second induced draft fan is further arranged between the flue gas purification system and the incinerator.

Specifically, flue gas purification system is including electrostatic precipitator, desulfurizing tower and the denitration tower that communicates in proper order.

Compared with the prior art, at least one embodiment of the utility model has the following beneficial effects: 1) the kitchen waste is converted into slurry with higher heat value and uniformly dispersed organic matter particles, the slurry is atomized and then enters a special incinerator for incineration treatment, the incineration efficiency is high, and no waste liquid is discharged. 2) No additional grease separation equipment and waste water and liquid treatment equipment are needed, and the process flow is simple.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a kitchen waste incineration system provided by an embodiment of the utility model;

wherein: 1. a garbage crusher; 101. a housing; 102. a crushing wheel; 2. screening machine; 3. a sand removing machine; 4. a slurry pump; 5. an incinerator; 6. a flue gas purification system; 601. an electric dust collector; 602. a desulfurizing tower; 603. a denitration tower; 7. an atomizing nozzle; 8. a first induced draft fan; 9. a sundries tank; 10. and a second induced draft fan.

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.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, a kitchen waste incineration system, including waste crusher 1, screening machine 2, degritting machine 3, thick liquid pump 4, burn burning furnace 5 and flue gas purification system 6, waste crusher 1's discharge gate and screening machine 2's feed inlet butt joint, screening machine 2's thick liquid export and degritting machine 3's feed inlet butt joint, burn burning furnace 5's exhanst gas outlet and flue gas purification system 6 intercommunication, be equipped with atomizing nozzle 7 in burning furnace 5, be equipped with combustion air inlet on the lateral wall, combustion air inlet is connected with first draught fan 8, atomizing nozzle 7 passes through the thick liquid export intercommunication of thick liquid pipe with degritting machine 3, be equipped with thick liquid pump 4 on the thick liquid pipe, the coarse fodder export of screening machine 2 docks with debris jar 9.

The working process of the kitchen waste incineration system with the structure is as follows: the kitchen waste is crushed into crushed materials by a crusher, the crushed materials are screened by a screening machine 2 to remove sundries such as waste tableware fragments, crushed material fragments and bone fragments, and the crushed materials are separated by a sand remover 3 to remove fine gravels to form kitchen waste slurry. The kitchen waste slurry is pumped into an incinerator 5 by a slurry pump 4 to be atomized, atomized liquid drops of the kitchen waste liquid, organic matter particles and combustion-supporting air are fully mixed in the incinerator 5 and undergo incineration reaction, and the incinerated smoke is purified by a smoke purification system 6 and then is discharged up to the standard.

Compared with the prior art, the embodiment has the following beneficial effects: 1) the kitchen waste is converted into slurry with higher heat value and uniformly dispersed organic matter particles, the slurry is atomized and then enters a special incinerator 5 for incineration treatment, the incineration efficiency is high, and no waste liquid is discharged. 2) No additional grease separation equipment and waste water and liquid treatment equipment are needed, and the process flow is simple.

Referring to fig. 1, in practical application, the screening machine 2 may be a vibrating screening machine, the waste crusher 1 includes a housing 101 and two mutually meshed crushing wheels 102 disposed in the housing 101, kitchen waste is poured from a feed inlet on the housing 101 to crush the kitchen waste falling into a joint of the two crushing wheels 102, the crushed fine materials fall on a vibrating screen of the screening machine 2, coarse materials which cannot be sieved on the surface of the vibrating screen are discharged from a coarse material outlet on a side wall of a screening body and are collected by a sundry tank 9 at the bottom, and slurry containing fine sand under the screen enters a sand removing machine 3 to be subjected to sand removing treatment.

Refer to fig. 1, can get into flue gas purification system 6 for guaranteeing the flue gas smoothly and handle, can also add second draught fan 10 between flue gas purification system 6 and burning furnace 5, flue gas purification system 6 is then including the electrostatic precipitator 601 that communicates in proper order, desulfurizing tower 602 and denitration tower 603, utilize electrostatic precipitator 601, desulfurizing tower 602 and denitration tower 603 can remove dust to the flue gas, the desulfurization, denitration treatment, thereby realize discharge to reach standard, as for electrostatic precipitator 601, the concrete structure of desulfurizing tower 602 and denitration tower 603 is prior art, no longer describe herein.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Claims

1. The utility model provides a kitchen garbage system of burning which characterized in that: the system comprises a garbage crusher (1), a screening machine (2), a sand remover (3), a slurry pump (4), an incinerator (5) and a flue gas purification system (6), wherein a discharge hole of the garbage crusher (1) is in butt joint with a feed hole of the screening machine (2), a slurry outlet of the screening machine (2) is in butt joint with a feed hole of the sand remover (3), and a flue gas outlet of the incinerator (5) is communicated with the flue gas purification system (6);

be equipped with atomizing nozzle (7) in burning furnace (5), be equipped with combustion air inlet on the lateral wall, combustion air inlet is connected with first draught fan (8), atomizing nozzle (7) through the thick liquid pipe with the thick liquid export intercommunication of degritting machine (3), be equipped with thick liquid pump (4) on the thick liquid pipe.

2. The kitchen waste incineration system according to claim 1, characterized in that: the coarse material outlet of the sieving machine (2) is in butt joint with the sundries tank (9).

3. The kitchen waste incineration system according to claim 1, characterized in that: the screening machine (2) adopts a vibrating screening machine.

4. The kitchen waste incineration system according to claim 1, characterized in that: the garbage crusher (1) comprises a housing (101) and two mutually meshed crushing wheels (102) arranged in the housing (101).

5. The kitchen waste incineration system according to claim 1, characterized in that: and a second induced draft fan (10) is also arranged between the flue gas purification system (6) and the incinerator (5).

6. The kitchen waste incineration system according to any one of claims 1 to 5, characterized in that: the flue gas purification system (6) comprises an electric dust remover (601), a desulfurizing tower (602) and a denitration tower (603) which are sequentially communicated.