CN2778417Y

CN2778417Y - Device for treating urban domestic refuse by means of wet method cement production system

Info

Publication number: CN2778417Y
Application number: CN 200520069460
Authority: CN
Inventors: 杨学权; 蔡玉良; 潘炯; 赵美江; 辛美静
Original assignee: ZHONGCAI INTENATIONAL ENGINEERING Co Ltd
Current assignee: ZHONGCAI INTENATIONAL ENGINEERING Co Ltd
Priority date: 2005-03-07
Filing date: 2005-03-07
Publication date: 2006-05-10
Anticipated expiration: 2015-03-07

Abstract

The utility model relates to a device for treating urban domestic refuse by means of a wet method cement production system. Both ends of a sewage pump are respectively connected with a sewage pool and a raw material grinding mill, wherein an outlet of the raw material grinding mill is connected with the sewage pool and one end of a storage yard for substitution raw material in sequence. An inlet of a first-order a drum screen is connected with a grab bucket, and an outlet is connected with a conveyer belt which is used for conveying the garbage to a fanning machine. The conveyer belt is provided with an iron remover, and the fanning machine is respectively connected with a packing machine and a first-order crusher which is connected with a second-order drum screen which is connected with a vibration sorting machine and a second-order crusher. The vibration sorting machine is connected with the second-order crusher; the garbage is conveyed to a secondary fuel storage yard after crushed, and the vibration sorting machine is connected with a spiral stirrer. The utility model has the advantages that the energy is saved, the consumption is reduced, the destruction on the environment and the resource is reduced and the cement manufacture benefit is enhanced.

Description

Utilize New Type Dry-process Cement Production system handles domestic waste device

Technical field

The utility model relates to a kind of New Type Dry-process Cement Production system handles domestic waste device that utilizes.Belong to manufacture of cement and treater of urban-area daily garbage technical field.

Technical background

At present, the processing method to domestic waste mainly is landfill method, composting process and burning method.Landfill method takes up an area of big, subtracts appearanceizations, the resource degree is low, easily to surrounding environment generation secondary pollution.The composting process small scale, the cycle is long, the quality instability, and also the consumer garbage compost amount is big, and nutrient content is low, and long-term use easily causes secondary pollution problems such as soil compaction and groundwater quality degenerate.Burning method can reach innoxious, the target that subtracts appearanceization, resource of domestic rubbish disposal, but burning process is easy to generate “ Er Evil Young " etc. noxious material; needed to handle before emptying; unclean if flue gas is handled; will cause environmental pollution, burning the solid slag that the back produces also needs further processing, if deal with improperly; still can produce secondary pollution, increases difficulty and the investment further handled.This several traditional trash processing way have just been realized the transfer that house refuse is polluted, really do not reach thorough processing house refuse purpose, realize " innoxious, minimizing, resource " requirement of urban garbage disposal.

Summary of the invention

The purpose of this utility model is the defective at above-mentioned existence, a kind of New Type Dry-process Cement Production system handles domestic waste device that utilizes is proposed, utilize this device to handle domestic waste, can utilize firing system to clear up the noxious material that produces in the waste incineration process on the one hand, the lime-ash that is left after the waste incineration can be used as the raw material of cement on the other hand, noxious material in the rubbish resolves into corresponding inorganic matter and heavy metals immobilization in clinker, really accomplish " three change " target of garbage disposal, make harm drop to minimum.

Technical solution of the present utility model: its structure is a termination cesspool of sewage pump, the other end inserts the raw material mill, the outlet and the cesspool of raw material mill, one end in alternative materials stockyard joins successively, the import of one-level rotary screen connects grab bucket, outlet connects belt conveyor, rubbish is delivered to winnowing machine, establish tramp iron separator on this belt conveyor, winnowing machine connects baling press respectively, the one-level disintegrating machine, the one-level disintegrating machine connects the secondary rotary screen, and the secondary rotary screen connects the vibrations separator, secondary breaker, vibrations separator and secondary breaker join, be delivered to the secondary fuel stockyard after the fragmentation, enter firing system as fuel, the vibrations separator joins with screw mixer again, after adding kiln ash or cement slurry stir, deliver to the alternative materials stockyard, be transported to the preparation that participates in cement slurry in the raw material mill as alternative materials.

Advantage of the present utility model: utilize cement production system to handle domestic waste and can help the cement plant to solve problems such as energy-conservation and consumption reduction, reduced, reduced destruction to environment and resource to the traditional non-renewable fuel and the exploitation of natural resources.On the other hand, this trash processing way not only can reduce the energy consumption of manufacture of cement, reduce production costs, improve the manufacture of cement benefit, but also reduce the cost of garbage disposal greatly, do not need to increase device for purifying and treating tail gas and waste residue treating apparatus in the similar domestic garbage burning electricity generation treatment process, processing procedure does not rely on the height of refuse thermal value.Utilize New Type Dry-process Cement Production system handles rubbish, because the cement production process main body exists, therefore only need investment construction one cover dumping preliminary treatment and delivery measurement system, add the part of firing system and adjust and transform, its expense is far smaller than the investment of newly-built incineration plant.On operating cost, although the depreciation of equipment, electric power and factors such as raw-material consumption and labour cost make the operating cost of garbage disposal increase, the saving of crude fuel but then, operating cost is decreased, and the economic benefit of bringing will improve constantly along with the increase that substitutes the crude fuel consumption.With refuse classification is plastics, not directly comburant, combustible three major types, and the method for being handled respectively then is a processing method more completely.Simultaneously, cement production process temperature height, the characteristics that alkalescence is strong, residence time of material is long have reduced the pollution of rubbish to environment, the secondary pollution of having avoided processing modes such as landfill and burning that environment is caused.Therefore utilizing New Type Dry-process Cement Production system handles domestic waste is the processing mode of a kind of " doulbe-sides' victory "; help realizing utilizing again and economic sustainable development of resource, also help thoroughly solving numerous social pressures that domestic waste brings to environmental protection.

Description of drawings

Accompanying drawing is a structural representation of the present utility model

Among the figure 1 is raw material mill, the 2nd, cesspool, the 3rd, grab bucket, the 4th, one-level rotary screen, the 5th, one-level disintegrating machine (thick broken), the 6th, pneumatic separation device, the 7th, baling press, the 8th, secondary rotary screen, the 9th, vibrations separator, the 10th, secondary breaker (thin broken), the 11st, screw mixer, the 12nd, alternative materials stockyard, the 13rd, secondary fuel stockyard, the 14th, kiln hood or dore furnace, the 15th, tramp iron separator.

The specific embodiment

The contrast accompanying drawing, its structure is a termination cesspool 2 of sewage pump, the other end inserts raw material mill 1, the outlet and the cesspool 2 of raw material mill 1, one end in alternative materials stockyard 12 joins successively, 4 imports of one-level rotary screen connect grab bucket 3, outlet connects belt conveyor, rubbish is delivered to winnowing machine 6, establish tramp iron separator 15 on this belt conveyor, winnowing machine 6 connects baling press 7 respectively, one-level disintegrating machine 5, one-level disintegrating machine 5 connects secondary rotary screen 8, secondary rotary screen 8 connects vibrations separator 9, secondary breaker 10, vibrations separator 9 joins with secondary breaker 10, is delivered to secondary fuel stockyard 13 after the fragmentation, enters firing system as fuel, vibrations separator 9 joins with screw mixer 11 again, after adding kiln ash or cement slurry stir, deliver to alternative materials stockyard 12, be transported to the preparation that participates in cement slurry in the raw material mill 1 as alternative materials.

The course of work is as follows: domestic waste is transported to the cement plant after collecting, and is deposited in the dump chest.The sewage that oozes out in the storage process after cesspool 2 is collected, utilizes sewage pump to send into raw material mill 1 and evaporates, and the organic matter in the sewage is adsorbed by raw material, at high temperature burns after entering firing system.House refuse is delivered on the belt by grab bucket 3 subsequently, rubbish enters one-level rotary screen 4, through the broken bag of rotary screen, break up, sieve processing after, rubbish is divided into oversize (particle diameter is greater than 80mm) and screenings (particle diameter is less than 80mm) two parts, oversize is then delivered to winnowing machine 6 by belt, carries out deironing by tramp iron separator 15 and handle in course of conveying, handles through winnowing machine, plastics in the oversize are sorted out, by baling press 7 processing of packing.After removing plastics, other compositions of oversize enter one-level disintegrating machine 5, after crusher in crushing, enter secondary rotary screen 8 together with screenings, after the screening of secondary rotary screen, the screenings of particle diameter below 40mm, deliver to vibrations separator 9, the heavy thing that the vibrations separator sub-elects and the oversize of secondary rotary screen enter secondary breaker 10 together, are delivered to the secondary fuel stockyard after the fragmentation, enter firing system as fuel.It is surplus that the lightweight thing that the vibrations separator sub-elects is mainly the kitchen, for suppressing its fermentation, to wherein adding raw material powder or the kiln ash that manufacture of cement is used, after screw mixer stirs, deliver to alternative materials stockyard 12, be transported to the preparation that participates in cement slurry in the raw mill as alternative materials.

Claims

1, utilize New Type Dry-process Cement Production system handles domestic waste device, a termination cesspool (2) that it is characterized in that sewage pump, the other end inserts raw material mill (1), the outlet and the cesspool (2) of raw material mill (1), one end in alternative materials stockyard (12) joins successively, one-level rotary screen (4) import connects grab bucket (3), outlet connects belt conveyor, rubbish is delivered to winnowing machine (6), establish tramp iron separator (15) on this belt conveyor, winnowing machine (6) connects baling press (7) respectively, one-level disintegrating machine (5), one-level disintegrating machine (5) connects secondary rotary screen (8), secondary rotary screen (8) connects vibrations separator (9), secondary breaker (10), vibrations separators (9) join with secondary breaker (10), be delivered to secondary fuel stockyard (13) after the fragmentation, vibrations separators (9) join with screw mixer (11) again, after adding kiln ash or cement slurry stir, deliver to alternative materials stockyard (12), be transported to the preparation that participates in cement slurry in the raw material mill (1) as alternative materials.