CN214791192U

CN214791192U - Novel storage system is carried to waste incineration power plant slag

Info

Publication number: CN214791192U
Application number: CN202120962090.8U
Authority: CN
Inventors: 张惠林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-19
Anticipated expiration: 2031-05-07

Abstract

The invention discloses a novel slag conveying and storing system of a waste incineration power plant, which mainly comprises a feeding chute, a vibration feeding and screening system, a small material rubber belt conveying system, a large material rubber belt conveying system, a magnetic separation system, a waste iron rubber belt conveying and storing system, a manual sorting system, a slag storage system and a large material storage system. The invention can improve the mechanization and automation level of slag conveying of the waste incineration power plant, improve the processing capacity of a slag conveying system, reduce the impurity rate of materials, increase the recovery rate of waste iron, realize 'automatic conveying, closed storage and automatic unloading' of slag and improve the working environment of a slag discharging room of the waste incineration power plant.

Description

Novel storage system is carried to waste incineration power plant slag

Technical Field

The invention relates to the technical field of household garbage incineration power generation, in particular to a novel slag conveying and storing system of a garbage incineration power plant.

Background

With the development of Chinese economy and the increase of population, the amount of domestic garbage is gradually increased year by year. In order to realize the reduction, harmlessness and recycling of the household garbage, more and more household garbage incineration power plants are built in China. After the household garbage is incinerated, about 20-30% of slag is generated. After water cooling is carried out on the slag in the groove body of the slag discharging machine, the slag is pushed out of the groove body by the hydraulic push plate and falls to a slag pit. The traditional slag conveying mode is a mode of slag hoisting and automobile transportation. The mode has the problems of small processing amount, poor working environment, low automation degree, low efficiency and the like.

Therefore, for a large-scale household garbage incineration plant, a novel slag mechanized conveying and storing system must be developed, the mechanization and automation level of slag conveying is improved, the processing capacity of the slag conveying system is improved, the impurity content of materials is reduced, the recovery rate of waste iron is increased, the automatic conveying, closed storage and automatic unloading of slag are realized, and the working environment of a slag discharging room of the garbage incineration plant is improved.

Disclosure of Invention

In order to overcome the defects of the traditional slag conveying mode of the waste incineration power plant, the invention provides a novel slag conveying and storing system of the waste incineration power plant, which can improve the mechanization and automation level of slag conveying of the waste incineration power plant, improve the processing capacity of a slag conveying system, reduce the impurity rate of materials, increase the recovery rate of waste iron, realize the closed storage of slag and improve the working environment of a slag discharging room of the waste incineration power plant.

In order to achieve the purpose, the invention provides the following technical scheme: a novel slag conveying and storing system of a waste incineration power plant mainly comprises a feeding chute, a vibration feeding and screening system, a small material rubber belt conveying system, a large material rubber belt conveying system, a magnetic separation system, a waste iron rubber belt conveying and storing system, a manual sorting system, a slag storage system and a large material storage system; the feeding chute is connected with an outlet of the slag extractor and is used for conveying the slag pushed out of the slag extractor to the vibration feeding and screening system; the vibration feeding and screening system can feed and screen the furnace slag, the undersize material enters the small material rubber belt conveying system, and the oversize material enters the large material rubber belt conveying system; the magnetic separation system is respectively arranged above the rubber belt conveyors of the small material rubber belt conveying system and the large material rubber belt conveying system, and is used for carrying out magnetic separation on the materials, separating out the waste iron in the materials and enabling the waste iron to fall to the waste iron rubber belt conveying system; the manual sorting system is respectively arranged on the side surfaces of the rubber belt conveyors of the small material rubber belt conveying system and the large material rubber belt conveying system, and the materials are inspected and manually sorted manually, so that sundries in the materials are sorted out, and the sundry rate of the materials is reduced; the slag storage system is arranged below the rubber belt conveyor head of the small material rubber belt conveying system and used for storing slag in a closed manner; the bulk material storage system is arranged below a rubber belt conveyor head of the bulk material rubber belt conveying system and used for carrying out closed storage on the sorted bulk materials; and the scrap iron rubber belt conveying and storing system is used for conveying and storing scrap iron separated by the magnetic separation system.

Further, vibration feeding screening system contains vibration feeding screening machine, sieve front chute, undersize the chute.

Furthermore, the bottom plate of the vibration feeding sieving machine is a grid section with a gap of 30-80 mm.

Further, the small material belt conveying system comprises a slag belt conveyor and a slag discharging chute.

Further, the big material rubber belt conveying system comprises a first big material rubber belt conveyor, a second big material rubber belt conveyor, a first big material chute and a second big material chute.

Further, the magnetic separation system comprises a first belt-type iron remover, a second belt-type iron remover, a first scrap iron discharging chute and a second scrap iron discharging chute.

Further, the scrap iron rubber belt conveying and storing system comprises a scrap iron conveying rubber belt conveyor, a third scrap iron discharging chute and a scrap iron storing box.

Further, the manual sorting system comprises a first manual sorting table and a second manual sorting table.

Further, the big material warehousing system comprises a big material bin and a discharge gate.

Further, the slag storage system comprises a slag bin and a vibrating feeder.

Preferably, the first belt-type iron remover is arranged at the head of the first large material belt conveyor.

Preferably, the second belt-type iron remover is arranged in the middle of the slag belt conveyor.

Preferably, the large bunker is a steel bunker.

Preferably, the slag bin is a steel bin.

Preferably, the discharging gate is a hydraulic jaw gate.

Based on the technical scheme, the invention can realize the independent storage and transportation of the slag, the waste iron and the large materials, can effectively reduce the failure rate of a material rubber belt conveying system and a slag storage system, and can independently sell the sorted waste iron, thereby increasing the additional economic benefit of a power plant.

The invention has the beneficial effects that: by adopting the innovative technical scheme, the invention can improve the mechanization and automation level of slag conveying of the waste incineration power plant, improve the processing capacity of a slag conveying system, reduce the impurity rate of materials, increase the recovery rate of waste iron, realize automatic conveying, closed storage and automatic unloading of slag and improve the working environment of a slag discharging room of the waste incineration power plant.

Drawings

FIG. 1 is a schematic process flow diagram of the present invention.

Reference numbers in the figures: 1-feeding chute, 2-vibration feeding and screening machine, 3-pre-screening chute, 4-under-screening chute, 5-first large material belt conveyor, 6-first large material chute, 7-second large material belt conveyor, 8-second large material chute, 9-large bin, 10-discharging gate, 11-first manual sorting table, 12-second manual sorting table, 13-first belt type iron remover, 14-first scrap iron discharging chute, 15-second belt type iron remover, 16-second scrap iron discharging chute, 17-scrap iron conveying belt conveyor, 18-third scrap iron discharging chute, 19-scrap iron storage box, 20-slag discharging chute, 21-slag bin and 22-vibration feeding machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 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 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 the attached figure 1, the novel slag conveying and storing system for the waste incineration power plant comprises a feeding chute 1, a vibration feeding and screening system, a small material rubber belt conveying system, a large material rubber belt conveying system, a magnetic separation system, a waste iron rubber belt conveying and storing system, a manual sorting system, a slag storage system and a large material storage system; the feeding chute 1 is connected with an outlet of the slag extractor and is used for conveying slag pushed out of the slag extractor to the vibration feeding and screening system; the vibration feeding and screening system comprises a vibration feeding and screening machine 2, a pre-screening chute 3 and a sub-screening chute 4, wherein a feeding port of the vibration feeding and screening machine 2 is connected with a feeding chute 1; the bottom plate of the vibrating feeding screening machine 2 is a grid section with a gap of 30-80 mm, the machine can screen out materials in slag larger than a grid hole, the materials are conveyed to a chute 3 in front of a screen, and the materials smaller than the grid hole are screened into a chute 4 under the screen; the small material belt conveying system comprises a slag belt conveyor 23 and a slag discharging chute 20, wherein a feeding port of the slag belt conveyor 23 is connected with the undersize chute 4, and the slag discharging chute 20 is arranged at a discharging position of a machine head of the slag belt conveyor 23; the small material rubber belt conveying system can convey the slag which is sieved by the vibration feeding sieving machine 2 and has the size smaller than that of the grid hole to the slag storage system; the slag storage system comprises a slag bin 21 and a vibrating feeder 22, wherein the slag bin 21 is a steel bin, the slag bin 21 is connected with a slag discharging chute 20, and the vibrating feeder 22 is arranged at a feed opening of the slag bin 21; the slag storage system can store slag and adopts the feeder 22 to automatically feed, so that the 'closed storage and automatic feeding' of the slag are realized; the large material belt conveying system comprises a first large material belt conveyor 5, a second large material belt conveyor 7, a first large material chute 6 and a second large material chute 8, wherein a feeding port of the first large material belt conveyor 5 is connected with a chute 3 before screening, the first large material chute 6 is arranged at the head discharge position of the first large material belt conveyor 5, a feeding port of the second large material belt conveyor 7 is connected with the first large material chute 6, and the second large material chute 8 is arranged at the head discharge position of the second large material belt conveyor 7; the large material rubber belt conveying system conveys large materials which are screened by the vibration feeding screening machine 2 and have the granularity larger than the size of the grid holes to a large material storage system; the large material storage system comprises a large material bin 9 and a discharge gate 10, wherein the large material bin 9 is a steel bin, the large material bin 9 is connected with a second large material chute 8, and the discharge gate 10 is a hydraulic jaw gate and is arranged at a discharge opening of the large material bin 9; the bulk material warehousing system can store bulk materials, adopts the emptying gate 10 to automatically feed the bulk materials, and realizes 'closed storage and automatic feeding' of the bulk materials; the magnetic separation system comprises a first belt-type iron remover 13, a second belt-type iron remover 15, a first scrap iron discharging chute 14 and a second scrap iron discharging chute 16, wherein the first belt-type iron remover 13 is arranged at the head of a first large material belt conveyor 5, the second belt-type iron remover 15 is arranged in the middle of a slag belt conveyor 23, the first scrap iron discharging chute 14 is arranged at the discharging position of the first belt-type iron remover 13, and the second scrap iron discharging chute 16 is arranged at the discharging position of the second belt-type iron remover 15; the first belt-type iron remover 13 can sort out the scrap iron in the large materials conveyed by the first large material belt conveyor 5 and unload the scrap iron to the first scrap iron discharging chute 14; the second belt iron remover 15 can sort out the waste iron in the slag conveyed by the slag belt conveyor 23 and discharge the waste iron to the second waste iron discharging chute 16; the waste iron rubber belt conveying and storing system comprises a waste iron rubber belt conveyor 17, a third waste iron discharging chute 18 and a waste iron storing box 19, wherein a feeding port of the waste iron rubber belt conveyor 17 is respectively connected with a first waste iron discharging chute 14 and a second waste iron discharging chute 16, the third waste iron discharging chute 18 is arranged at a machine head discharging position of the waste iron rubber belt conveyor 17, and the waste iron storing box 19 is connected with the third waste iron discharging chute 18; the scrap iron rubber belt conveying and storing system can independently convey and store scrap iron sorted by the magnetic separation system; the manual sorting system comprises a first manual sorting table 11 and a second manual sorting table 12; the first manual sorting table 11 is arranged on the side surface of the slag rubber belt conveyor 23, so that sundries in the slag can be manually sorted out, the impurity content in the slag is reduced, and the probability of material blockage of the vibrating feeder 22 is reduced; the second manual sorting table 12 is arranged on the side surface of the scrap iron rubber belt conveyor 17, manual inspection manual sorting is carried out on the scrap iron, impurities in the scrap iron are picked out, the impurity content of the scrap iron is reduced, and the purity of the scrap iron is improved.

The working principle is as follows: slag pushed out of a slag extractor enters a vibrating feeding screening machine 2 along a feeding chute 1 to carry out coarse screening on the slag, wherein large materials with the external dimension larger than a grid hole sequentially enter a first large material rubber belt conveyor 5 and a second large material rubber belt conveyor 7 along a chute 3 in front of a screen and are finally conveyed to a large material bin 9 to be stored; the slag with the external dimension smaller than the grate hole enters a slag rubber belt conveyor 23 along the undersize chute 4 and is conveyed to a slag bin 21; the first big material rubber belt conveyor 5 and the slag rubber belt conveyor 23 are both provided with iron removers to sort out the scrap iron in the materials; the sorted waste iron is conveyed to a waste iron storage box 19 by a waste iron rubber belt conveyor 17; a first manual sorting table 11 and a second manual sorting table 12 are respectively arranged on the side surfaces of the scrap iron rubber belt conveyor 17 and the slag rubber belt conveyor 23, and impurities in the scrap iron and the large materials are respectively picked up by adopting a manual inspection manual sorting mode, so that the impurity content of the materials is reduced; the vibrating feeder 22 is adopted to continuously convey the slag in the slag bin 21 into the transport vehicle, so that the 'closed storage and automatic feeding' of the slag is realized; the discharge gate 10 is adopted to discharge the large materials in the large material bin 9 into the transport vehicle, so that the closed storage and automatic feeding of the large materials are realized.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, the terms may be fixedly connected, detachably connected, or integrated, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, connected between two elements, or interacting between two elements, and unless otherwise specifically stated or limited, those skilled in the art will understand that the terms specifically mean the present invention.

Furthermore, the terms "first," "second," and the like 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a novel storage system is carried to waste incineration power plant slag, includes pan feeding chute (1), vibration feeding screening system, small powder sticky tape conveying system, big material sticky tape conveying system, magnetic separation system, scrap iron sticky tape transport storage system, artifical sorting system, slag warehouse system, big material warehouse system, its characterized in that: pan feeding chute (1) and mucking machine exit linkage, vibration feeding screening system contains vibration feeding screening machine (2), preceding chute of sieve (3), subsieve chute (4), the pan feeding mouth and the pan feeding chute (1) of vibration feeding screening machine (2) are connected, small charge rubber belt conveying system contains slag rubber belt conveyor (23), slag chute (20) of unloading, and wherein the pan feeding mouth and the subsieve chute (4) of slag rubber belt conveyor (23) are connected, and slag chute (20) of unloading set up in slag rubber belt conveyor (23) aircraft nose department of unloading, slag storage system contains slag storehouse (21), vibrating feeder (22), and slag storehouse (21) are connected with slag chute (20), and vibrating feeder (22) set up the feed opening in slag storehouse (21), large charge rubber belt conveying system contains first large charge rubber belt conveyor (5), The large material storage system comprises a second large material belt conveyor (7), a first large material chute (6) and a second large material chute (8), wherein a feeding port of the first large material belt conveyor (5) is connected with a chute (3) before the screen, the first large material chute (6) is arranged at the unloading position of a machine head of the first large material belt conveyor (5), the feeding port of the second large material belt conveyor (7) is connected with the first large material chute (6), the second large material chute (8) is arranged at the unloading position of the machine head of the second large material belt conveyor (7), the large material storage system comprises a large material bin (9) and a material discharging gate (10), and the large material bin (9) is connected with the second large material chute (8).

2. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the magnetic separation system comprises a first belt-type iron remover (13), a second belt-type iron remover (15), a first scrap iron discharging chute (14) and a second scrap iron discharging chute (16), wherein the first belt-type iron remover (13) is arranged at the head of a first large material rubber belt conveyor (5), the second belt-type iron remover (15) is arranged in the middle of a slag rubber belt conveyor (23), the first scrap iron discharging chute (14) is arranged at the discharging position of the first belt-type iron remover (13), and the second scrap iron discharging chute (16) is arranged at the discharging position of the second belt-type iron remover (15).

3. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the waste iron rubber belt conveying and storing system comprises a waste iron rubber belt conveyor (17), a third waste iron discharging chute (18) and a waste iron storing box (19), wherein a feeding hole of the waste iron rubber belt conveyor (17) is respectively connected with a first waste iron discharging chute (14) and a second waste iron discharging chute (16), the third waste iron discharging chute (18) is arranged at the machine head discharging position of the waste iron rubber belt conveyor (17), and the waste iron storing box (19) is connected with the third waste iron discharging chute (18).

4. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the manual sorting system comprises a first manual sorting table (11) and a second manual sorting table (12), wherein the first manual sorting table (11) is arranged on the side face of the slag rubber belt conveyor (23), and the second manual sorting table (12) is arranged on the side face of the scrap rubber belt conveyor (17).

5. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the bottom plate of the vibration feeding sieving machine (2) is a grid section with a gap of 30-80 mm.

6. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the slag bin (21) and the large material bin (9) are steel bins.

7. The novel waste incineration power plant slag transportation and storage system of claim 1, wherein: the discharging gate (10) is a hydraulic jaw gate and is arranged at the discharge opening of the large storage bin (9).