CN109317501A - Wet refuse disposal plant and treatment process - Google Patents

Wet refuse disposal plant and treatment process Download PDF

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Publication number
CN109317501A
CN109317501A CN201811386182.5A CN201811386182A CN109317501A CN 109317501 A CN109317501 A CN 109317501A CN 201811386182 A CN201811386182 A CN 201811386182A CN 109317501 A CN109317501 A CN 109317501A
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CN
China
Prior art keywords
conveyer
conveyor
fermentation
wet refuse
crusher
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CN201811386182.5A
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Chinese (zh)
Inventor
田冠雄
葛勇
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SHANGHAI CHENGSHENG ENVIRONMENT PROTECTION TECHNOLOGY Co Ltd
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SHANGHAI CHENGSHENG ENVIRONMENT PROTECTION TECHNOLOGY Co Ltd
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Priority to CN201811386182.5A priority Critical patent/CN109317501A/en
Publication of CN109317501A publication Critical patent/CN109317501A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • B09B3/0058Removing gases or liquids enclosed in discarded articles, e.g. aerosol cans, cooling systems of refrigerators ; Removing gases from discarded plastic foam products

Abstract

The invention discloses a kind of wet refuse disposal plant and treatment process, which includes: storage device, upper material conveyer, sortation conveyor, crusher, crushing conveyor, dewaterer, dewatering conveyor, filter residue conveyer, fermentation conveyer, intelligent fermentation tower;Upper material conveyer inclination is installed between storage device and sortation conveyor, sortation conveyor is located at the top of storage device, the input port of crusher is located at below sorting sortation conveyor delivery outlet, crushing conveyor is tiltedly installed between the delivery outlet and dewaterer of crusher, the delivery outlet of dewaterer is tiltedly installed with dewatering conveyor, the output end of dewatering conveyor is connected to the input terminal of filter residue conveyer, the output end of filter residue conveyer is connected to the input terminal of fermentation conveyer, and the output for the conveyer that ferments is terminated at intelligent fermentation tower.The technique handled conducive to above-mentioned apparatus is referring to specification.Waste resources utilization may be implemented in the invention, reduces refuse disposal amount, improves living environment quality.

Description

Wet refuse disposal plant and treatment process
Technical field
The present invention relates to field of garbage disposal, more particularly, to a kind of wet refuse disposal plant and treatment process.
Background technique
China is the most country of world population, and there are 1,300,000,000 populations in China, and Food consumption is huge, and it is traditional not Good eating habit, the raising of development and living standards of the people then as social economy, the quantity of house refuse sharply increase, With the speed increase of annual 8%-10%.On the other hand, Chinese garbage disposal rate is lower than 6%, and hygienic Scavenging activity only has 60%. A large amount of rubbish are accumulated in city suburbs.Rubbish on table is all very surprising every year.Every ten thousand people eats a meal daily and calculates rubbish from cooking Amount wastes 50,000,000 tons of rubbishes from cooking in daily food and up to 130,000 tons of rubbish from cooking, 1 year, and garbage disposal industry is also brought There is huge pressure.
If wet refuse is handled not in time, it can be not only full of peculiar smell, can also breed a large amount of bacteriums.Wet refuse specialization disposition To solve the best mode of this problem, statistics display, compared to Europe, U.S.'s wet refuse specialization disposition up to 70% with On, Chinese wet refuse disposition rate is still below 0.1%, and entire industry is still at an early stage.
Under the national slogan for constantly advocating energy-saving and emission-reduction and environmental protection, there is an urgent need to more powerful wastes for garbage disposal industry Processing method.This also means that it includes huge commercial opportunity.
With the local laws and regulations for formal Specification garbage disposal behavior of making laws, " Domestic Waste In Beijing manages item to domestic stem Example " formally implement, wherein " this city encourages clean vegetables listing to clear stipulaties, advocates conditional residential area, family's installation complies with standard Kitchen waste disposer." simultaneously, " Shanghai City categorized consumer waste facilities and equipment configuration directive/guide (examination has also been put into effect in Shanghai Row) ", it is intended to categorized consumer waste is effectively pushed, promotes life garbage original-source decrement, " blow-off line has item in region for encouragement The area of part in newly-built fully-decorated residence, should configure food waste pericarp (wet refuse) pulverizer;Other houses to satisfy the requirements, Installation food refuse disposer is encouraged simultaneously." this with for wet refuse specialization disposition come into a booming rank Section.
Waste incineration and generating electricity is that the most important of current refuse disposal is also most important mode, and wet refuse moisture is larger, shadow Ring garbage power efficiency.In waste incineration and generating electricity, the moisture in wet refuse is not only unable to combustion power generation, also as liquid water becomes At vapor, heat is absorbed, decrease of power generation is caused.When wet refuse is excessive, before waste incineration, the time of fermentation needs more It is long;When even waste incineration is lighted a fire, it is also necessary to which addition more helps combustible substance, such as kerosene.This all considerably increases garbage power Cost.Meanwhile wet refuse moisture is the generation of dioxin (Dioxin) on another influence of burning.Due to incineration temperature It needs to be maintained on 850 degrees Celsius, can just prevent the generation of dioxin.But when moisture is more, temperature is more difficult to reach high Temperature requires, and when flue-gas temperature is not high enough, when the flue gas of discharge is popped one's head in by on-line checking instrument, dioxin concentration may be to reach Target, but may also have new dioxin since temperature declines later and generate again.So the classification of rubbish dry and wet is carried out, it is wet Rubbish specialization disposition becomes an important indispensable mode for solving waste incineration and generating electricity.
Summary of the invention
The purpose of the present invention is to provide a kind of wet refuse disposal plant and treatment process, and waste resources benefit may be implemented With reduction refuse disposal amount improves living environment quality.
In order to solve the above technical problems, embodiments of the present invention provide a kind of wet refuse disposing technique comprising:
(1) it sorts
S1.1. food waste, fresh fruits and vegetables rubbish are subjected to manual sorting, by super large rubbish otherwise processed, inorganic matter and other Carry out waste recovery processing;
(2) material lifting
S2.1. wet refuse in step S1.1 is promoted to equipment for pulverizing material in the form of closed conveying;
(3) it is crushed
S3.1. crushing material is carried out using the wet refuse that double-shaft crusher comes to step S2.1 conveying;
(4) it is separated by solid-liquid separation
S4.1. the smashed material of step S3.1 is separated by solid-liquid separation with bolt compresses dewatering type;
(5) garbage disposal
S5.1. by step S4.1, treated that solid waste is delivered to that intelligent hot fermentation device carries out fermentation process, intelligence Qualified discharge after energy the be vented body of hot fermentation device is handled via deodoration system;
S5.2. by step S4.1, treated that liquid rubbish is filtered processing, and filtered solid residue is according to step The mode of S5.1 is delivered to intelligent hot fermentation device and carries out fermentation process, and filtered waste water is then delivered to via sewage network Municipal sewage treatment terminal carries out handling rear discharge up to standard;
S5.3. using the product after step S5.1 fermentation as animal feed additive or organic fertilizer additive.
A kind of device for aforementioned wet refuse disposing technique comprising: storage device, upper material conveyer, sorting conveying Machine, crusher, crushing conveyor, dewaterer, dewatering conveyor, filter residue conveyer, fermentation conveyer, intelligent fermentation tower;
Upper material conveyer inclination is installed between storage device and sortation conveyor, and sortation conveyor is located at storage device Top, the input port of crusher are located at below sorting sortation conveyor delivery outlet, incline between the delivery outlet and dewaterer of crusher Crushing conveyor is tiltedly installed, the delivery outlet of dewaterer is tiltedly installed with dewatering conveyor, the output end connection of dewatering conveyor In the input terminal of filter residue conveyer, the output end of filter residue conveyer is connected to the input terminal of fermentation conveyer, and ferment conveyer Output is terminated at intelligent fermentation tower.
Further, storage device is material pit.
Further, upper material conveyer, crushing conveyor, dewatering conveyor, filter residue conveyer, fermentation conveyer are spiral transferring Send machine.
Further, dewatering conveyor is provided with the interim discharge port close to top discharge mouth.
Further, intelligent fermentation tower is intelligent high-temperature aerobic fermentation tank.
The invention has the following beneficial effects:
1, it realizes that waste resources utilize, and reduce refuse disposal amount to the maximum extent, improves living environment quality;
2, wet refuse be generate foul smell, breed mosquitos and flies spread the disease, cause rubbish generate stench source, pass through this patent It can solve rubbish stench phenomenon, realize the cleaning of rubbish;
3, landfill leachate is solved to contamination phenomenons such as transport and garbage transfer places;
4, the calorific value of waste incineration is improved, wet refuse moisture is larger, influences garbage power efficiency.In waste incineration and generating electricity In, the moisture in wet refuse is not only unable to combustion power generation, also as liquid water becomes vapor, absorbs heat, power generation is caused to be imitated Rate reduces.When wet refuse is excessive, before waste incineration, the time of fermentation needs longer;When even waste incineration is lighted a fire, it is also necessary to Addition more helps combustible substance, such as kerosene.This all considerably increases the cost of garbage power.
5, secondary pollution of the waste incineration to air is reduced, wet refuse moisture is dioxin on another influence of burning (Dioxin) generation.Since incineration temperature needs to be maintained on 850 degrees Celsius, it can just prevent the generation of dioxin.But water When point more, more difficult requirements that reach a high temperature of temperature, and when flue-gas temperature is not high enough, the flue gas of discharge is by on-line detector When device is popped one's head in, dioxin concentration may be up to standard, but it is secondary again may also to have new dioxin since temperature declines later At.
6, the categorized consumer waste decrement and resource utilization work for implementing municipal government's requirement, realize Sources decreasing.
Detailed description of the invention
Fig. 1 is wet refuse disposing technique flow chart in first embodiment of the invention.
Fig. 2 is wet refuse disposal plant schematic diagram in second embodiment of the invention.
Fig. 3 is A-A schematic diagram in Fig. 2.
Fig. 4 is B-B schematic diagram in Fig. 2.
Fig. 5 is C-C schematic diagram in Fig. 2
Fig. 6 is D-D schematic diagram in Fig. 2.
Fig. 7 is E-E schematic diagram in Fig. 2.
Fig. 8 is F-F schematic diagram in Fig. 2.
Fig. 9 is wet refuse disposal plant schematic diagram in third embodiment of the invention.
Figure 10 is the dewaterer main view of wet refuse disposal plant in third embodiment of the invention.
Figure 11 is the dehydration side view of wet refuse disposal plant in third embodiment of the invention.
Figure 12 is the dewaterer schematic diagram of internal structure of wet refuse disposal plant in third embodiment of the invention.
Figure 13 is the crusher main view of wet refuse disposal plant in third embodiment of the invention.
Figure 14 is the broken side view of wet refuse disposal plant in third embodiment of the invention.
Figure 15 is the crusher schematic diagram of internal structure of wet refuse disposal plant in third embodiment of the invention.
Figure 16 is driving shaft crushing cutter/driven shaft in the crusher of wet refuse disposal plant in third embodiment of the invention Crushing cutter structural schematic diagram.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment 1: a kind of wet refuse disposing technique, for Mechanical Crushing dehydration plus the innoxious zymotechnique of microorganism, work Skill technology maturation.First by organic garbage crushing and extrusion dehydration is to moisture content 60% or so, be crushed dewatered material enter it is micro- Biological decomposition desiccation apparatus, material are decomposed by the microorganisms in biological decomposition desiccation apparatus, to rubbish under the action of spontaneous strain Rubbish carries out biodegrade.
Referring to Fig. 1, which includes sorting, material lifting, broken, separation of solid and liquid, garbage disposal.
In separation step, food waste, fresh fruits and vegetables garbage transporting are handled into vehicle to workshop is handled using such as garbage transiting vehicle Between it is middle receive the rubbish sent of garbage transiting vehicle using material pit etc., rubbish is delivered to sorting conveying using bolt conveyer After machine, using manual sorting is carried out, by super large rubbish otherwise processed, inorganic matter and other (such as iron content, plastics, masonries etc.) into Row waste recovery processing.Super large rubbish refers to that size is bigger in rubbish, is unfavorable for conveying, broken rubbish, generally higher than The solid type rubbish of 500mm is super large rubbish.
In material lifting step, the wet refuse sorted out in separation step is promoted to material in the form of closed conveying and is broken Broken equipment.
In destruction step, crushing material is carried out to the wet refuse that conveying comes using double-shaft crusher.
In solid-liquid separation step, smashed material is separated by solid-liquid separation with bolt compresses dewatering type, solid-liquid point Material from after includes solid waste and liquid rubbish, wherein solid waste is delivered to intelligent hot fermentation device and ferments Processing, qualified discharge after intelligent the be vented body of hot fermentation device is handled via deodoration system;And liquid rubbish is filtered place Reason, filtered solid residue are delivered to intelligent hot fermentation device in the way of step S5.1 and carry out fermentation process, filtering Waste water afterwards is then delivered to municipal sewage treatment terminal via sewage network and carries out handling rear discharge up to standard.
Animal feed additive can be used as the product obtained after being handled using intelligent hot fermentation device or have Machine fertilizer additive.
The technical principle of the technique is: intelligent hot fermentation device uses organic matter aerobic fermentation technology, and organic matter is good Aerobe fermentation, which refers to, carries out a biodegradable fermentation process to organic matter under aerobic environment by aerobic microbiological.It is aerobic Microorganism relies on the vital movement process of itself, by the organic matter transformation in wet refuse at carbon dioxide, humus and heat Deng.
Using aerobic fermentation technology, Rapid Fermentation decomposition is carried out to wet refuse using microorganism, equipment is microorganism fungus kind Wet refuse, is carried out completion decomposition by the condition that the temperature, humidity, oxygen etc. for providing enough conditions are quickly bred.
Intelligent high-temperature aerobic fermentation treatment process be after being sorted, be crushed by wet refuse, being dehydrated have fermentation condition into Enter processing system, oxygen is not forfeited into material by high-pressure blowing-in system, under the action of aerobic fermentation bacterium, organic matter constantly divides Solution, generates a large amount of high temperature, promotes the moisture evaporation in material, while killing pathogen, helminth and miscellaneous at high operating temperatures Grass seed reaches innoxious, minimizing, stabilized processing intent;It is green that material after fermentation can be used as organic fertilizer raw material, gardens Change, realizes resource utilization.
Second embodiment of the present invention provides a kind of device for wet refuse disposing technique in first embodiment, Referring to fig. 2-8, the wet refuse processing unit is comprising: storage device 1, upper material conveyer 2, sortation conveyor 3, crusher 4, broken Broken conveyer 5, dewaterer 6, dewatering conveyor 7, filter residue conveyer 8, fermentation conveyer 9, intelligent fermentation tower 10.
Wherein, the lectotype selection of the wet refuse processing unit is as follows:
Conveyer model: WZLS280 Shaftless screw conveyor, Zhejiang Ao Li environmental protection equipment Co., Ltd;
Crusher: TS320 double-shaft crusher, middle mountain Si Ruide environmental protection equipment Science and Technology Ltd.;
Dewaterer: LYD420 spiral dewaterer, Shandong Kai Ye Machinery Co., Ltd.;
Intelligent fermentation tower: FSA-90CS intelligence high-temperature aerobic fermentation tower, Shandong Fu Hang new energy Environmental Protection Co.Ltd..
The upper inclination of material conveyer 2 is installed between storage device 1 and sortation conveyor 3, and storage device is material pit, discharging Hole height is lower than the height of sortation conveyor, and sortation conveyor is located at the top of storage device, and the input port of crusher 4, which is located at, to be divided It selects below sortation conveyor delivery outlet, is tiltedly installed with crushing conveyor 5 between the delivery outlet and dewaterer 6 of crusher 4, take off The delivery outlet of water dispenser 6 is tiltedly installed with dewatering conveyor 7, and the output end of dewatering conveyor 7 is connected to the input of filter residue conveyer 8 End, the output end of filter residue conveyer 8 are connected to the input terminal of fermentation conveyer 9, and the output of fermentation conveyer 9 is terminated at intelligent hair Ferment tower 10, intelligent fermentation tower 10 select intelligent high-temperature aerobic fermentation tank.
Here upper material conveyer 2, crushing conveyor 5, dewatering conveyor 7, filter residue conveyer 8, fermentation conveyer 9 is spiral shell It revolves conveyer (can use WZLS280 Shaftless screw conveyor).
Referring to fig. 4, sortation conveyor 3 is the material on artificial separation conveyer belt, by super large rubbish and inorganic matter and its It is sorted out, super large rubbish otherwise processed, and inorganic matter and it is other it is typical such as iron content, plastics, masonry directly as Waste recovery.Sortation conveyor 3 is installed on frame structure, and sortation conveyor 3 includes rack and is set in rack Conveyer belt, conveyer belt are connected to driving motor by drive mechanism, when rubbish is delivered to sortation conveyor from upper material conveyer 2 It after 3, is transmitted by the conveyer belt of sortation conveyor 3, is sorted in transmission process using staff from left to right, transmitted Depending on length with setting is as needed, such as 2-5m.
Dewatering conveyor 7 is provided with the interim discharge port 7a close to top discharge mouth.
Third embodiment of the present invention provides a kind of device for wet refuse disposing technique in first embodiment, Referring to Fig. 9, the wet refuse processing unit is comprising: storage device 1, upper material conveyer 2, sortation conveyor 3, crusher 4, broken Conveyer 5, dewaterer 6, dewatering conveyor 7, filter residue conveyer 8, fermentation conveyer 9, intelligent fermentation tower 10.
From fig. 9, it can be seen that the storage device in the figure is buried material pit or material storage container, in the right end of material pit Portion is provided with lower deep gouge.The arrival end of material pit is inclination wrong path face, is smoothly retreated to material pit convenient for garbage truck, and spiral Conveying mechanism at 2 left part of upper material conveyer be located in material pit, the right part of upper material conveyer 2 is located at upper right side, feeding Material is sent to by the upper right side blanking of conveyer 2 to sortation conveyor, sortation conveyor using belt conveyor from left side The crusher on right side, operator stand on sortation conveyor edge and carry out manual garbage screen, and sortation conveyor will be through being sieved The rubbish of choosing is delivered to crusher 4, and the material after the completion of crusher will be crushed passes through crushing conveyor 5 (such as screw conveyor) It is delivered to dewaterer 6, the material by dehydration is delivered to filter residue conveyer 8 via dewatering conveyor 7 (such as screw conveyor) Material is delivered to 10 fermentations of intelligent fermentation tower via fermentation conveyer 9 and made by (such as screw conveyor), filter residue conveyer 8 Industry.
In Fig. 9, sortation conveyor 3 is the material on artificial separation conveyer belt, by super large rubbish and inorganic matter and its It is sorted out, super large rubbish otherwise processed, and inorganic matter and it is other it is typical such as iron content, plastics, masonry directly as Waste recovery.Sortation conveyor 3 is installed on frame structure, and sortation conveyor 3 includes rack and is set in rack Conveyer belt, conveyer belt are connected to driving motor by drive mechanism, when rubbish is delivered to sortation conveyor from upper material conveyer 2 It after 3, is transmitted by the conveyer belt of sortation conveyor 3, is sorted in transmission process using staff from left to right, transmitted Depending on length with setting is as needed, such as 2-5m.Rubbish is then delivered to crusher 4 by 3 right part of sortation conveyor, is broken Broken machine is completed to export broken material from delivery outlet after being crushed, and broken material is delivered to dewaterer 6 by crushing conveyor 5, takes off Material will be delivered to intelligent fermentation by dewatering conveyor 7, filter residue conveyer 8, fermentation conveyer 9 after material dewatering by water dispenser 6 Tower 10.
Referring to Figure 10-12, a kind of squeezer comprising: rack 1 ', head bearings seat 2 ', jackshaft 3 ', helical axis 4 ', feed inlet 5 ', bottom screen bracket 6 ', upper screen bracket 7 ', outer screen 8 ', inner screen 9 ', pressure are bored disk 10 ', are led It is bar 11 ', tail bearing seat 12 ', tail portion air bag seat 13 ', air bag 14 ', external shell 15 ', motor 16 ', pulley cover 17 ', small Belt pulley 18 ', retarder 19 ', big belt pulley 20 '.
As can be seen from Figure 12, drum sieve includes: to be set to inner screen 9 ' outside helical axis and be set to outside the mesh screen of inside The outer screen 8 ' in portion, and drum sieve right part is then discharge port, and bracket is provided with outside drum sieve, bracket includes: to be set to The bottom screen bracket 6 ' of drum sieve bottom, lower end are connected on shell inner support;It is set to the top at the top of drum sieve Screen bracket 7 ', top are connected on shell inner support.Bracket is by drum sieve support in shell.
Referring to Figure 12, the rack 1 ' constituted in the form of steel construction etc. plays support effect to entire squeezer.Propelling worm Axis 4 ' is supported on the rack by bearings at both ends, so that propelling worm axis 4 ' is allowed to be in horizontality and be distributed in drum sieve, Setting is located at the external shell 15 ' outside drum sieve in rack, is provided on the left of external shell and is arranged in external shell top The materials such as rubbish are delivered in the drum sieve of squeezer by the feed inlet 5 ' in portion, the feed inlet, feed inlet and drum sieve inner cavity phase It is logical, since drum sieve is arranged in external shell, so the feed openings communicated with feed inlet are provided at the top of drum sieve, when After liquid drips from the sieve pore of drum sieve after material is squeezed by helical axis, it is discharged by the liquid outlet below drum sieve, it can be with One funnelform liquid collection trough is set below drum sieve, opens up liquid outlet in the bottom of liquid collection trough.
It can be recognized from fig. 12 that helical axis 4 ' is supported in rack by head bearings seat 2 ', tail bearing seat 12 ', Drum sieve is stretched out at the both ends of helical axis, and the helical axis left part for stretching out drum sieve then passes through head bearings seat 2 ' and is installed on branch Frame, the helical axis right part for stretching out drum sieve are then supported in rack by tail bearing seat 12 '.
In Figure 12, the pressure being provided on the right side of helical axis positioned at drum sieve right part discharge port bores disk 10 ', connection In guide rod 11 ', guide rod is connected to air bag 14 ', and air bag is installed on rack by tail portion air bag seat 13 '.Residue after squeezing, warp Between screen drum end (right part) and bullet (pressure cone disk 10 ') outside discharge machine, bullet (pressure cone disk 10 ') rear portion is equipped with pressure The big of exclusion power and slag notch can be changed by adjusting the air pressure pressure of air bag in adjustment mechanism (air bag and guide rod etc. composition) It is small, for adjusting the dry and wet degree of squeezing.
Referring to Figure 12, helical axis is connected to dynamical system by jackshaft 3 ', and dynamical system includes motor 16 ', electricity Mechanomotive force output end is connected to big belt pulley 20 ' by small belt pulley 18 ', and big belt pulley is connected to retarder 19 ', retarder It is connected to jackshaft 3 '.Motor drives retarder and jackshaft by belt transmission, and then drives helical axis in cylinder Rotation in sieve.Transmission system makes propelling worm spin movement in drum sieve, for after so that material is entered squeezer as early as possible by Squeezing, helical axis increases from feed inlet to discharge port direction with helical axis internal diameter and screw pitch reduces, and helicla flute volume is gradually reduced, Its diminution degree can be indicated with compression ratio.Spacing d between the blade and drum sieve of helical axis is configured as needed, d's Value range is 2-10mm.
For safety, big belt pulley, be provided with pulley cover 17 ' at small belt pulley.
In the squeezer, spiral is divided into two sections, and first segment is feeding serew, and second segment is propelling worm.Conveyor screw will Material into hopper pushes propelling worm to, is reduced by the screw pitch of propelling worm and the diameter of axle increases, and in sieve wall and bullet Under the action of (pressure cone disk 10 ') resistance, it is squeezed out liquids contained by material (fruit juice), the liquid of extrusion is from sieve pore Outflow concentrates on connecing in juice bucket (or liquid collection trough), the residue after squeezing, through between screen drum end and bullet Outside discharge machine, bullet rear portion is equipped with pressure adjustmenting mechanism, by adjusting the air pressure pressure of air bag, exclusion power can be changed and slagging tap The size of mouth, for adjusting the dry and wet degree of squeezing.The material feeding box and screen drum and spiral of expeller are all made of high-quality resistance to The manufacture of 304 stainless steel material of soda acid.
The working principle of pressafiner is during advance in sieve by auger material, by reducing spiral Screw pitch, or reduce the depth of spiral, gradually become smaller the volume V of material in online, squeezed lower object by spiral and sieve Liquid in material flows out in the air from sieve, to achieve the effect that extract.
The core of pressafiner is spiral and sieve, followed by feeding part.Helix angle α is in entire helical design In, it is most important core parameter.It is whole to change by changing equipment revolving speed r under the premise of equipment helix angle α is determined Platform pressafiner extracts degree and yield.
Such dewaterer has the following technical effect that
1, be suitble to different organic wastes, especially to smooth, bulky grain or strip material, threaded interior is carried Propeller not only acts as and prevents returning charge phenomenon, also functions to slight fragmentation, can reach 50% dehydration reduced training.
2, using squeezing step by step, squeezing is more thorough, and inside is equipped with blender, stirs in squeezing, prevents screw diameter Cause outside dry internal wet (i.e. dry close to sieve material, far from wet inside sieve material) when big, and " obstruction " and " returning charge " Phenomenon.
3, for the characteristic of organic waste material: flexibility, brittleness, stickiness are squeezed using single screw press, effect Fruit is preferable.
Referring to Figure 13-16, double-shaft crusher is by tearing up set of blades, carrying cabinet, antinose-dive leg, feed system, dynamical system System, electrical control system composition.In particular, as shown in figures 13-16, a kind of double-shaft crusher comprising: box assembly 1 ", Rectangle working cavity is set in it, which is girff, and box assembly is supported by antinose-dive leg, the top of box assembly Portion is provided with the funnel-form feed hopper communicated with working cavity.Omitted in Figure 13-15 funnel-form as feed system into Hopper.The material come from feed hopper conveying directly falls on working cavity and crushing cutter is allowed to be crushed.The materials such as rubbish from Figure 15 reader direction is delivered in working cavity.
Referring to Figure 15, the driving shaft 2 for being set to box assembly rectangle working cavity and being arranged side by side ", driven shaft 3 ", actively Axis and driven shaft are installed on the left side wall and right side wall of box assembly, left side wall and the right side in box assembly by bearing block Side wall is provided with bearing (ball) cover, and box assembly left side wall is provided with the first inner bearing end cap and position on the inside of left side wall The first outer bearing end cap on the outside of left side wall, the first outer bearing end cap, that is, first bearing shown in figure 15 end cap 10 ", actively Axis, driven shaft are mounted on the first outer bearing end cap and the first inner bearing end cap in left side wall.Similarly, in box assembly right side wall It is provided with the second inner bearing end cap being located on the inside of right side wall and the second outer bearing end cap on the outside of right side wall, in second Bearing (ball) cover, that is, second bearing shown in figure 15 end cap, the second outer bearing end cap, that is, 3rd bearing shown in figure 15 end cap 13 ".
It referring to Figure 15, is set to driving shaft 2 " driving shaft crushing cutter 4 ", is provided with knife between adjacent driving shaft crushing cutter The driven shaft crushing cutter of piece partition 6 ", be set to driven shaft 3 " is provided with blade partition between adjacent driven shaft crushing cutter, actively It is broken that axis crushing cutter and driven shaft crushing cutter Heterogeneous Permutation, driving shaft crushing cutter and driven shaft crushing cutter can carry out shearing to material It is broken, and be set to the combed tooth plate 5 of box assembly internal chamber wall " can be further improved crushing efficiency, the double wedge of combed tooth plate with Driving shaft crushing cutter, driven shaft crushing cutter are staggered, and are respectively arranged on the inside of the front side wall of box assembly and on the inside of rear wall each From combed tooth plate, combed tooth plate and driving shaft crushing cutter on the inside of the front side wall of box assembly are cooperated, and (driving shaft is broken Knife is between adjacent combed tooth plate double wedge), the driven shaft crushing cutter of the combed tooth plate on the inside of the rear wall of box assembly carries out Cooperate (driven shaft crushing cutter is between adjacent combed tooth plate double wedge).
Referring to Figure 15, it is connected to the dynamical system of driving shaft, dynamical system includes: the gear-box 7 for being connected to driving shaft " (gear-box is ZLY200 pitch face gear-box, the production of Jiangsu speed reducer Group Co., Ltd of Guo Mao Cathay), the power of gear-box Input terminal is connected to decelerating motor 9 ", decelerating motor is connected to motor.Dynamical system is connected to electrical control system.The slow-speed of revolution Double-shaft crusher has the features such as high torque, energy saving, low voice, self raising flour dirt.Driving shaft right part is attached to gear-box, from Moving axis right part also is connected to gear-box, and two axis are all attached on gear-box.Driving shaft and driven shaft left part It is mounted on equipment left side wall by bearing assembly bearing, and driving shaft and driven shaft right part are connected respectively to gear-box On two output shafts;Gear-box is an input shaft, two output shafts, its effect not just to slow down, while be for Commutation makes driven shaft and driving shaft opposite direction rotating, and to roller, i.e. driving shaft rotates clockwise driven shaft and rotate counterclockwise for formation.
Decelerating motor can choose the ZLY pitch face speed reducer of Jiangsu speed reducer Group Co., Ltd of Guo Mao Cathay production.
From figure 15, it can be known that the working cavity of box assembly is provided with left demarcation plate, right demarcation plate, driving shaft, driven shaft Between left demarcation plate, right demarcation plate, driving shaft, driven shaft are arranged broken knife assembly at left demarcation plate, right demarcation plate There is seal assembly, is illustrated by taking driven shaft and left demarcation plate as an example, left demarcation plate is provided with driven shaft through hole, in left separation Plate is provided with intermediate seal 11 ", intermediate seal 11 " can choose reinforced seal, such as the life of Dongguan De Long sealing element Co., Ltd The TTO200 reinforced seal of production.
Referring to Figure 16, driving shaft crushing cutter, driven shaft crushing cutter include: cutter hub 40 ", cutter hub has pilot hole 40a ", knife The surface of body is two arc body 40b " of annular array centered on pilot hole, and arc body is with a distance from the center of pilot hole hole It is gradually increased by the end K of beginning S to the arc body of arc body, and the end of arc body is provided with crozier 40c ", due to The arc body of body with hook is on circular cutter hub outer surface there are two annular arrays, so can have in cutter hub rotary course Effect is crushed rubbish, and cutter hub is made of NiCrMo high-alloy steel.
Double-shaft crusher is driven using electric motor or hydraulic motor, and special alloy steel makes cutter, is patrolled using programmable Controller control is collected, encountering hard object can be auto-reverse, and discharging size can be designed by user's requirement.Blade axis rotary speed is generally in 10-70 Rpm, the high revolving speed of motor is reduced to the slow-speed of revolution of cutter shaft by speed reducer, shears the blade on two axis mutually, it is right Material such as is sheared, squeezed and is torn at the movement, reaches the requirement of broken material.
Broken material size size is related with the thickness and the number of teeth for being crushed blade, the more thin broken material size of blade With regard to smaller, number of teeth is more, and broken material length is shorter.
The advantages of crusher, is as follows:
1, the double-shaft crusher can carry out efficiency crushing operation to organic matter rubbish, and use shearing crumbling method Carry out refuse breaking.
2, can for part metals, sandstone, glass, ceramics, woodwork it is broken, cutter uses import NiCrMo high Steel alloy, strong shock resistance are not easy breaking.
3, it is equipped with pusher for special material (such as watermelon, apple surface is smooth), prevents material accumulation is aerial can not It is broken.
The working principle of the wet refuse processing unit is as follows:
The first step carries out artificial separation to rubbish, it is inorganic to remove plastics, glass, stone, rubber, fiber in rubbish etc. Object, it is ensured that the physical property of wet refuse is conducive to the subsequent disposition of rubbish;
Rubbish is delivered into disposal system (sortation conveyor) by material storage container using Shaftless screw conveyor by second step;
Third step carries out secondary artificial separation to rubbish in sortation conveyor, improves the pure property of wet refuse;
4th step carries out Mechanical Crushing to rubbish using crusher, reduces the physical size of rubbish, while organic to destroying The cell wall of matter improves disposition effect for subsequent process;
5th step carries out mechanical dehydration to broken rubbish using dewaterer, reduces the moisture content of rubbish, improve fermentation Efficiency;
6th step carries out intelligent high-temperature aerobic fermentation to dewatered rubbish;
7th, the finished product after fermentation is packed, as garden fertilizer.
The device can guarantee fluency, airtightness in material transportation process, avoid the formation of secondary pollution, and rubbish It is lower to the corrosivity of equipment in production process and also more convenient to the control of foul smell in rubbish and production process, and break The selection of broken cutter and structure is conducive to broken work, and the wearability of dehydration equipment and the control of compression ratio can be completed preferably Dewatering operation, fermentation process temperature, moisture, oxygen, the control of time are also required to be selected as needed.
To sum up, the advantages of technique which provides, is as follows:
A, the technology that this disposal method uses is Mechanical Crushing dehydration plus the innoxious zymotechnique of microorganism, technique skill Art is mature.First by organic garbage crushing, simultaneously extrusion dehydration is crushed dewatered material and enters microorganism to moisture content 60% or so Decompose desiccation apparatus, material is decomposed by the microorganisms in biological decomposition desiccation apparatus, under the action of spontaneous strain to rubbish into Row biodegrade;
B, recycling degree height, secondary pollution and energy consumption are small, meet harmless treatment requirement;
C, this programme uses novel energy-conserving product, and lectotype selection is reasonable;
D, the conveying of system material is smooth, good leak tightness, it is ensured that No leakage, it is pollution-free;
E, discharge system, transportation system, the essential elements such as biochemical system take closed Deodorization to design, and do not produce to surrounding enviroment Raw adverse effect;
F, total system equipment uses advanced and mature product, and the key positions such as crushing cutter and Hydraulic Power Transmission System use import Product;
G, innoxious, recycling treatment;
H, waste reduction rate 85%-90% or more, rubbish volume reduction rate is up to 95% or more
I, this programme designs impurity separation system, and plastics, paper, glass, the metal etc. in rubbish are separated from system It goes out, improves garbage as resource utilization rate, realize harmless treatment, avoid secondary pollution.
Process layout's advantage provided by the present invention:
A, according to mill construction situation, ambient environmental conditions.Equipment horizontal layout and space layout are meeting process equipment Arrangement requires, and realizes that process layout is succinct, generous, intimately coordinates with ambient enviroment, while having fully considered production development from now on And a possibility that technological transformation.
B, the traffic route in each region of device layout fully considers the demand of operation maintenance personal disengaging, carrying and operation.
C, between each equipment and equipment or equipment surrounding is there are the space for filling part, to meet operation, maintenance is wanted It asks.
D, all process equipments of wet refuse processing line and system are both placed in main building, may be implemented so effective Management, avoids damaging ambient enviroment.
E, generated fertilizer after the processing of wet refuse object is provided with special closing storage and clears region, carries out in time Pack sealing.
F, processing equipment and working region have good heat dissipation, ventilation and daylighting, meet the existing energy-saving and emission-reduction of country Code requirement.
3) equipment performance advantage
A, equipment noise is low, and unloaded noise is less than 60db.
B, wet refuse splicing system, transportation system, dewatering system etc. key equipment use corrosion resistant 304 stainless steel Material.
C, crushing plant uses the import NiCrMo high alloy steel knife shearing with extremely strong wearability and impact resistance Tool.
D, dewaterer is dehydrated using high-strength abrasion-proof spiral squeezing type, configures hydraulic automatic pressure regulating system and frequency conversion speed Spend regulating system.
E, processing capacity is big, and elasticity is wide, and 5-200 tons of processing capacity.
Technique provided by the present invention and device application case are as follows:
1, the town Minhang District, Shanghai Wu Jing environmental sanitation integrated service Co., Ltd
Time on probation: in November, 2017
Consumers' opinions: stable equipment operation, easy to operate, operating service is first-class, realizes the requirement of both sides' contract engagement, Realize the specialized disposition of wet refuse.
2, the town Minhang District, Shanghai Zhuan Qiao urban grid comprehensive administration center
Time on probation: in September, 2017
Consumers' opinions: it goes into operation from equipment and realizes that wet refuse disposes 5237 tons so far, waste reduction rate reaches 91.2%, production 416 tons of gardens organic fertilizer, accomplish specialized, innoxious, the recycling, minimizing of wet refuse disposition, realizes wet refuse disposition Every economic goal.
3, the town Minhang District, Shanghai Ma Qiao environmental sanitation integrated service Co., Ltd
Time on probation: in January, 2018
Consumers' opinions: occupation area of equipment is small, easy to operate, and live free from extraneous odour maintains cleaning, realize without rubbish, environment Minimizing, recycling, harmlessness disposing meet every rules and regulations.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention, And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (8)

1. a kind of wet refuse disposing technique, characterized in that it comprises:
(1) it sorts
S1.1. food waste, fresh fruits and vegetables rubbish are subjected to manual sorting, by super large rubbish otherwise processed, inorganic matter and other progress Waste recovery processing;
(2) material lifting
S2.1. wet refuse in step S1.1 is promoted to equipment for pulverizing material in the form of closed conveying;
(3) it is crushed
S3.1. crushing material is carried out using the wet refuse that double-shaft crusher comes to step S2.1 conveying;
(4) it is separated by solid-liquid separation
S4.1. the smashed material of step S3.1 is separated by solid-liquid separation with bolt compresses dewatering type;
(5) garbage disposal
S5.1. by step S4.1, treated that solid waste is delivered to that intelligent hot fermentation device carries out fermentation process, and intelligence is high Qualified discharge after warm the be vented body of installation for fermenting is handled via deodoration system;
S5.2. by step S4.1, treated that liquid rubbish is filtered processing, and filtered solid residue is according to step S5.1 Mode be delivered to intelligent hot fermentation device and carry out fermentation process, filtered waste water is then delivered to city via sewage network Sewage treatment terminal carries out handling rear discharge up to standard;
S5.3. using the product after step S5.1 fermentation as animal feed additive or organic fertilizer additive.
2. a kind of device for wet refuse disposing technique as described in claim 1, characterized in that it comprises: storage device, Upper material conveyer, sortation conveyor, crusher, crushing conveyor, dewaterer, dewatering conveyor, filter residue conveyer, fermentation conveying Machine, intelligent fermentation tower;
The upper material conveyer inclination is installed between storage device and sortation conveyor, and the sortation conveyor is located at storing dress The top set, the input port of the crusher are located at below sorting sortation conveyor delivery outlet, the delivery outlet of the crusher with Crushing conveyor is tiltedly installed between dewaterer, the delivery outlet of the dewaterer is tiltedly installed with dewatering conveyor, described de- The output end of water conveyer is connected to the input terminal of the filter residue conveyer, and the output end of the filter residue conveyer is connected to described The input terminal of fermentation conveyer, the output of the fermentation conveyer are terminated at the intelligent fermentation tower.
3. wet refuse disposal plant according to claim 2, which is characterized in that the storage device is material pit.
4. wet refuse disposal plant according to claim 2, which is characterized in that the upper material conveyer, crushing conveyor, Dewatering conveyor, filter residue conveyer, fermentation conveyer are screw conveyor.
5. wet refuse disposal plant according to claim 2, which is characterized in that the dewatering conveyor is provided with close to top The interim discharge port of portion's discharge port.
6. wet refuse disposal plant according to claim 2, which is characterized in that the intelligence fermentation tower is that intelligent high temperature is good Aerobe fermentation tank.
7. wet refuse disposal plant according to claim 2, which is characterized in that the dewaterer includes:
Rack;
The external shell being set in rack, the external shell are provided with the feed inlet communicated with drum sieve;
It is set to the intracorporal drum sieve of external shell, the feed openings communicated with feed inlet is provided with, is set below the drum sieve It is equipped with liquid outlet, the drum sieve right part is discharge port;
The helical axis being set in drum sieve, the helical axis are supported in the machine by head bearings seat, tail bearing seat On frame;
It is set to helical axis and is located at the pressure cone disk of drum sieve right part discharge outlet, be connected to guide rod, the guide rod connection In air bag, the air bag is installed on rack by tail portion air bag seat;
The helical axis is connected to dynamical system by jackshaft, and the dynamical system includes motor, the motor power Output end is connected to big belt pulley by small belt pulley, and the big belt pulley is connected to retarder, and the retarder is connected to Jackshaft.
8. wet refuse disposal plant according to claim 2, which is characterized in that the crusher includes:
Box assembly inside sets rectangle working cavity, the funnel communicated with working cavity is provided at the top of the box assembly Shape feed hopper;
Driving shaft, the driven shaft for being set to box assembly rectangle working cavity and being arranged side by side;
It is set to the driving shaft crushing cutter of driving shaft, is provided with blade partition between adjacent driving shaft crushing cutter;
It is set to the driven shaft crushing cutter of driven shaft, blade partition, the driving shaft are provided between adjacent driven shaft crushing cutter Crushing cutter and driven shaft crushing cutter Heterogeneous Permutation;
It is set to the combed tooth plate of box assembly internal chamber wall, double wedge and driving shaft crushing cutter, the driven shaft of the combed tooth plate are broken Broken knife is staggered;
It is connected to the dynamical system of driving shaft.
CN201811386182.5A 2018-11-20 2018-11-20 Wet refuse disposal plant and treatment process Pending CN109317501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Family Applications (1)

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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110467482A (en) * 2019-07-31 2019-11-19 深圳市三盛环保科技有限公司 A kind of kitchen fruits and vegetables treating method for organic refuse
CN110723845A (en) * 2019-09-02 2020-01-24 深圳市深创环境工程技术有限公司 Dehydration process for chemical conditioning depth of fruit and vegetable garbage and dehydration process system
CN112058854A (en) * 2020-08-04 2020-12-11 北京环境工程技术有限公司 Kitchen waste dehydration composting process and system
CN112317505A (en) * 2020-09-22 2021-02-05 合肥耀创环境技术有限公司 Wet garbage treatment process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110467482A (en) * 2019-07-31 2019-11-19 深圳市三盛环保科技有限公司 A kind of kitchen fruits and vegetables treating method for organic refuse
CN110723845A (en) * 2019-09-02 2020-01-24 深圳市深创环境工程技术有限公司 Dehydration process for chemical conditioning depth of fruit and vegetable garbage and dehydration process system
CN112058854A (en) * 2020-08-04 2020-12-11 北京环境工程技术有限公司 Kitchen waste dehydration composting process and system
CN112317505A (en) * 2020-09-22 2021-02-05 合肥耀创环境技术有限公司 Wet garbage treatment process

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