CN102009056B - Organic solid waste hydrolysis and recycling regenerating unit - Google Patents
Organic solid waste hydrolysis and recycling regenerating unit Download PDFInfo
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- CN102009056B CN102009056B CN 200910195298 CN200910195298A CN102009056B CN 102009056 B CN102009056 B CN 102009056B CN 200910195298 CN200910195298 CN 200910195298 CN 200910195298 A CN200910195298 A CN 200910195298A CN 102009056 B CN102009056 B CN 102009056B
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Abstract
The invention discloses an organic solid waste hydrolysis and recycling regenerating unit which comprises a crusher, a crushed matter storage tank, a raw material inputting storage tank, a treatment container, a steam concurrent boiler, an organic heat carrier boiler, a cyclone dust collector and a deodorization device. The organic solid waste hydrolysis and recycling regenerating unit is characterized in that the crusher is sequentially connected with the crushed matter storage tank and the raw material inputting storage tank, an outlet of the raw material inputting storage tank is connected with an inlet of the treatment container, the treatment container is sequentially connected with the cyclone dust collector and the deodorization device through exhaust holes on the treatment container, the lower part of the treatment container is provided with a heating sleeve, and the steam concurrent boiler and the organic heat carrier boiler are respectively connected with the treatment container and the heating sleeve. The invention can be used for raising the temperature of the unit to the working temperature within short time, treating organic wastes under the conditions of high temperature and high pressure and transforming the treated matters into valuable resources.
Description
Technical field
The present invention relates to a kind of processing and retracting device of organic solid castoff, particularly a kind of organic solid castoff hydrolysis process and resource regenerating unit.
Background technology
Because the result of food chain reaction; Harmful substances such as heavy metal 、 bioxin and agricultural chemicals are biological easily to be concentrated; Thereby get in the organism of lakes and marhshes and ocean; Even in the entering human body, wherein the organic solid waste of high-moisture percentage includes various mud: sewer activated sludge, food workshop draining mud, grease trap are selected mud etc.; Crops and processing of farm products residue: branches and leaves, thinning timber, wood sawdust, straw, rice straw, hulls that superfluous abandoned vegetable, vegetables root, the root leaf of cutting the dish, soybean residue, the street trees that produce are cut down; Brew alcoholic beverages, brewage and the residue of beverage: vinasse, the soy sauce of fruit wine such as distiller's spent grains, pure mellow wine are poor, grape wine is poor, tealeaves, fruit juice are poor etc.; The living beings of other high-moisture percentages etc.
The general moisture content of these organic solid castoffs is higher, and contains Cd (cadmium), As multiple toxic heavy metal materials such as (arsenic).For this reason, treating apparatus need meet the following conditions: (1), a large amount of processing in the ability short time; (2), handle after, toxic heavy metals such as Cd, As can make object being treated toxicity effectively weaken through separated and dissolved.
The processing method of conventional organic solid castoff has modes such as burning, landfill and drying at present, but following drawback is arranged respectively:
(1) burning needs large-scale incinerator, and energy consumes high, burns to produce a large amount of CO
2, this reduces the inconsistent of carbon emission viewpoint (carbon is neutral) with suppressing global warming at present, simultaneously, burns and more can produce the De bioxin that directly is detrimental to health;
(2) the difficult region centralized collection discarded object of realizing of landfill (promptly directly handling discarded object) is to the landfill place.
(3) the dry general drying machine that uses normal pressure or decompression is though can remove moisture, still residual certain harmful substance in the dried thing.Therefore, can't realize the recycling (being fertilizerization, feedization) of handled thing, the dried thing can only further be handled through the mode of burning, landfill.
As the decomposing processor under the organic solid castoff HTHP; Like Japan Patent; Publication number is 2008-246300; This treating apparatus is characterised in that, need not large-scale treating apparatus, just can realize organic solid castoff adding that water decomposition is handled and forming the useful thing of micronize, powdered in the container of high temperature, high pressure.But in this reaction unit, organic solid castoff needs to drop into earlier in the 1st container of high temperature, low pressure and adds the water decomposition reaction while stirring, under the condition that the steam in the 1st container does not discharge then, handled thing is transferred to carries out drying in the 2nd container.This PROCESS FOR TREATMENT cost is higher, and the device requirement of withstand voltage is higher, and technological process is comparatively complicated.Relevant organic solid castoff treating apparatus such as Japan Patent, publication number is 2003-306825 and 2003-47409, has all put down in writing relevant apparatus, but all can't improve the temperature of treating apparatus at short notice, cost is too high and practicality reduces.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of organic solid castoff hydrolysis process and resource regenerating unit, can in the short time, make the temperature of treating apparatus reach the demand temperature, can realize efficient, the extensive processing, reduce the cost.
The present invention realizes through following technical scheme:
A kind of organic solid castoff hydrolysis process and resource regenerating unit; Comprise that disintegrating machine, disintegrating machine storage tank, raw material drop into storage warehouse, container handling, steam direct current cooker, boiler of organic heat carrier, cyclone dust and odor removal; Disintegrating machine connects broken thing storage tank successively and raw material drops into storage warehouse; Said raw material drops into the outlet of storage warehouse and the inlet of container handling joins; Container handling connects cyclone dust and odor removal more successively through the steam vent on it, and heating muff is installed in the bottom of said container handling, and said steam direct current cooker is connected with heating muff with container handling respectively with boiler of organic heat carrier.
Said organic solid castoff hydrolysis process and resource regenerating unit are when work, and the heat of heating muff provides by being attached thereto the boiler of organic heat carrier that connects, and the steam of container handling provides by being attached thereto the steam direct current cooker that connects.
The porch of said container handling is provided with the withstand voltage valve with switching function, the set inside mixer, and add moisture adjustment material.
The inner organic heat carrier that adds of said boiler of organic heat carrier.
Said cyclone dust can be a kind of in tangent type cyclone dust and the axial type cyclone dust, also can be that a plurality of cyclone dusts parallel connections form multicyclones.
Said heating muff is provided with drainpipe.
Said container handling is provided with pressure regulator valve with being connected of cyclone dust and steam direct current cooker on the pipeline.
The processing method of a kind of organic solid castoff hydrolysis and resource regeneration may further comprise the steps:
(1) raw material drops into operation: with raw material is that object being treated drops in the container handling of sealing state;
(2) accurate heating and pressurizing operation: in above-mentioned container handling, send into steam, make its intensification be forced into 120～200 ℃ of temperature, pressure 0.198～1.55Mpa;
(3) formal heating and pressurizing operation: in heating muff, realize the high temperature organic heat carrier circulation more than 200 ℃, container handling is heated up be forced into 200～300 ℃ of temperature, pressure 1.55～8.59Mpa;
(4) tail product recovery process: after the steam in the container handling was discharged, the tail product thing of promptly finishing dealing with was discharged.
Beneficial effect of the present invention is: apparatus of the present invention are applicable to handles resolution process and the resource regenerating unit that comprises changing food waste, ight soil, plants useless and organic solid castoffs such as domestic sludge, spoil and lake blue algae, and its treatment effect is characterised in that:
1) the single treatment time is short;
2) harmful heavy metals such as ability delamination Cd, As;
3) can convert valuable resource (like organic fertilizer, fuel, organic feed etc.) to.
Description of drawings
Fig. 1 is the process chart of this organic solid castoff hydrolysis process and resource regenerating unit
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further specified.
Like Fig. 1; It is the process chart of this organic solid castoff hydrolysis process and resource regenerating unit; The syndeton of as can be seen from the figure installing; Comprise that disintegrating machine 11, disintegrating machine storage tank 12, raw material drop into storage warehouse 13, container handling 17, steam direct current cooker 22, boiler of organic heat carrier 23, cyclone dust 24 and odor removal 25; Wherein disintegrating machine 11 connects broken thing storage tank 12 and raw material input storage warehouse 13 successively, and raw material drops into the outlet of storage warehouse 13 and the raw material input port 19 of container handling 17 joins, and container handling 17 connects cyclone dust 24 and odor removal 25 more successively through the steam vent 17b on it; Heating muff 18 is installed in the bottom of container handling 17, and steam direct current cooker 22 is connected with heating muff 18 with container handling 17 respectively with boiler of organic heat carrier 23.
When raw material is an object being treated when needing in advance break process, use disintegrating machine 11 to carry out fragmentation.Disintegrating machine 11 is applicable to most of organic solid castoff.When higher with moisture content such as changing food waste and mud, comparatively soft organic substance is the raw material object being treated, select for use the single shaft gyratory crusher get final product, the selection of disintegrating machine 11 is according to the processing complexity of raw material and how many decisions.Raw material gets into raw material and drops into storage warehouse 13 after break process because the volume of container handling 17 is limited, according to the single treatment amount of container handling 17 quantitatively after, raw material all temporarily is kept at raw material and drops in the storage warehouse 13.Raw material drops into the size (internal capacity) of storage warehouse 13 usually according to the internal capacity design of container handling 17, and suitable capacity is generally 1.1～1.2 times of container handling 17.Here the internal capacity of container handling 17 is generally at 10m
3In, therefore suitable range of capacity is 1～10m
3
Because organic solid castoff possibly contain the material of more acidity, alkalescence, therefore, raw material drops into storage warehouse 13 and preferably has corrosion resistance.The inboard structure material of its apparatus container can be selected steel (SS400) for use, the material that the chemical resistance polymeric coating layer of wherein stainless steel corrosion-resistant metal such as (SUS316), or organosilicon, fluorinated is best suited for.
The internal capacity of container handling 17, diameter, thickness, material etc., according to the design of the technological standards of industrial pressure vessel, its design capacity during with full load the handled thing amount be standard.Simultaneously, specify the workshop to carry out the scene combination because this pressure vessel need be transported to, thereby consider that from the cost of transportation angle the suitable internal capacity of container handling 17 is at 10m
3Below.The withstand voltage properties of container handling 17 is generally high more good more.But consider that from practicality and economy equal angles the suitable withstand voltage properties of container handling is generally 2～10MPa, best withstand voltage properties is 3～8MPa.
In Fig. 1, when selecting horizontal type container handling 17 for use, its raw material input port 19 is preferable over and is arranged on container top.Reason is because need begin to stir when dropping into raw material, if raw material drops into from container handling 17 sides, and then maybe be because the obstruction of mixer 21 cause certain difficulty that feeds intake.
Need to be provided with withstand voltage valve 20 in the raw material input port 19 with switching function.When raw material input port 19 was closed, interior pressure can be impacted to opening portion, and therefore withstand voltage valve 20 needs to bear the above pressure of 5MPa.The left and right sides of raw material input port 19 also is provided with thermometer 29 and forcing press 28, and the security of container handling 17 is monitored.The opening diameter of raw material input port 19 is limited by the internal diameter of container handling 17, and this opening diameter is generally 0.5～0.9 times of internal diameter of container handling 17, is preferably 0.7～0.9 times.For example, when the internal diameter of container handling 17 was 100cm, the suitable opening diameter of raw material input port 19 was about 70～90cm.
When selecting spiral mixer for use, according to the raw material shape, the suitable rotational velocity range of mixer 21 is 0.1～50rpm, and preferred rotary speed is 0.5～10rpm.Here, mix and broken, shearing, need special mixing speed and the stirring torque of paying attention to mixer for realizing handled thing simultaneously.
Stirring best and raw material input carries out simultaneously.According to the state of raw material, in the reaction time of container handling 17, can set continuously or the intermittently state of suitable stirring running time started, finish-time and stirring.In addition, can at the appointed time realize stirring the just contrary revolution of running, such as: per hour 5～8 revolutions, and just backward running can both regularly be provided with control.If mixer is a direction running only, raw material is easy to unidirectional laying particular stress on, and homogenising ground, raw material limit decomposed broken and mixing when so difficult realization was stirred.
Simultaneously, because therefore the promptly wet amount benchmark of the moisture content of raw material need add moisture adjustment material simultaneously usually above more than 50% in the raw material input.As moisture adjustment material, not only need have water imbibition, and preferably can have the poisonous metal (Cd that adsorbs stripping when adding water decomposition concurrently
2+, As
3+), promptly use as adsorbent.For realizing that organic solid castoff is adding the reacted efficient resource utilization of water decomposition, the utilization that also makes residue under the sieve of tail product of formation more be prone to carry out other is simultaneously handled.Generally select organic type of moisture adjustment material for use, comprise that mainly wood sawdust, hulls, ply, straw, rice straw etc. plant useless.The moisture content of moisture adjustment material is generally below 30%, and is best below 15%.
After raw material and moisture adjustment material dropped into, container handling 17 was by steam direct current cooker 22 delivering vapors, and when the inner intensification of container handling, when boosting to setting value, steam direct current cooker 22 stops to provide steam.The range of set value of general pressure and temperature is 0.198～1.55Mpa * 120～220 ℃.Steam direct current cooker 22 is the water-tube boilers with the inner and lasting generation steam of serpentine canal perforation heating source, can select the boiler of various models for use.The pressure and temperature of steam direct current cooker does not receive container handling 17 and limits.But the ability that steam direct current cooker 22 produces quantity of steams needs according to the capacity of container handling 17 and heating-up time and fixed, and it is best, and to produce quantity of steam be more than 1ton/ hour.In addition, as shown in Figure 1, the steam direct current cooker both can be set up in addition, and the factory that also optional usefulness has ability directly imports steam with boiler.
Next, heating muff 18 is by boiler of organic heat carrier 23 transfer heat, and container handling 17 inside are warming up to 200～300 ℃, and pressure 1.55～8.59Mpa (the best is 220～280 ℃, 2.32～6.41Mpa).The general design temperature of boiler of organic heat carrier is more than 250 ℃, and is preferred more than 300 ℃.The present invention is compared to the mode through outside indirect, but this technology within a short period of time reached established temperature and pressure as 30 minutes with interior making in the container handling 17.
Organic heat carrier in the boiler of organic heat carrier 23 can be selected habitual material for use.The boiling point of organic heat carrier is generally more than 200 ℃, and is best more than 250 ℃, is more preferably under more than 300 ℃.Particularly, comprise that main components such as phenylbenzene class, diphenyl ether, alkylbenzene base class, Fluhyzon class, silicone oil all can be used as organic heat carrier and use.
As previously mentioned, temperature reaches more than 200 ℃ in the container handling 17 in order to make, and preferably reaches more than 220 ℃, and organic heat carrier need be heated to more than the design temperature.Like this, even heating below the organic heat carrier boiling point, carries the pressure beyond pressing also can not form load to the heating muff 18 that adds water decomposition container handling 17.Therefore only need the heating muff of design withstand voltage properties below 1Mpa to get final product, will reduce the manufacturing cost of this container handling so greatly.
According to above-mentioned reason, heating muff 18 need not to satisfy the high pressure resistant standard of industrial pressure vessel.But, thereby heating muff 18 must possess air-tightness of necessity and the circulation that resistance to pressure is guaranteed organic heat carrier.The internal capacity of this heating muff 18 is generally 0.1～20 times of container handling 17, and the optimum scope is 0.8～5 times.Simultaneously, if the internal capacity of heating muff 18 is too small, can causes heat supply not enough, and make reaction vessel need the longer heating-up time to reach design temperature.On the other hand, if the internal capacity of heating muff 18 is excessive, the external diameter of heating muff 18 is bigger, causes the own vol of reaction vessel 17 to become big.Therefore for guaranteeing necessary heat is provided in allowing heating range, the internal capacity design of heating muff 18 is smaller as far as possible.
Boiler of organic heat carrier can be selected existing apparatus for use.The generation heat ability of boiler of organic heat carrier is different because of the amount of capacity that adds the water decomposition device, and its best heat volume of holding is 400, more than the 000kcal.When container handling 17 inside reach design temperature and pressure (for example 200 ℃, 1.55Mpa) after, organic heat carrier temporarily stops to supply with heats to heating muff 18.Simultaneously, in design temperature and setting pressure, organic heat carrier is supplied with heat off and on, generally holds time at 30～120 minutes.
After above-mentioned organic solid castoff hydrolysis process of completion and resource regeneration, after handling, raw material and moisture adjustment material are added water decomposition to be handled, and original heavy metal not only is dissolved, and also separates through adsorbents adsorb.At this moment, organic solid castoff toxicity significantly weakens and can realize resource regeneration, and the tail product can be used as useful thing uses such as organic fertilizer.
After processing finished about 30～60 minutes, the pressure warp in the container handling 17 was released into normal pressure (0.1MPa) with the exhaust pipe arrangement 26 that exhaust outlet 17 joins.During discharged steam, a part of dust follows the spittle to discharge together.Therefore, in the discharge system, the cyclone dust 24 that the steam of discharging need pass through the centrifugation formula carries out the aggegation recovery of liquid and dust, and odor removal 25 deodorizing of tool deodorization functions, then just to outside drain.And; If around cyclone dust 24, heat, the liquid of aggegation is by vaporize, and at this time most of powdery solid thing dust can reclaim from cyclone dust 24 belows; The below of container handling 17 also is provided with drainpipe 16, and the water in the container handling is discharged.
Cyclone dust structure usually is simple tangent type cyclone dust, also can select the axial type cyclone dust for use.Simultaneously, also can a plurality of cyclone dust parallel connections be formed multicyclone.Cyclone dust 24 needs 230 ℃, and the steam of 2.79Mpa reduces pressure 150 ℃, 0.476Mpa.Therefore, the release capacity of its pressure is 0.5～1.5 times of capacity of pressure vessel 17.So just can keep the reduced pressure capabilities desired volume of this cyclone dust.
For further understanding the present invention, below be 3m with the volume
3Treating apparatus be that embodiment 1 specifies.
Embodiment 1
When selecting internal capacity for use is 3m
3Treating apparatus the time, plant slitter edge to 1.2 tons of changing food wastes of container handling 17 inner edge inputs or domestic sludge raw material and 0.8 ton and stir.After completion fed intake, steam direct current cooker 22 (select fuel oil, producing quantity of steam is 2ton/ hour) was to container handling 17 delivered inside steam, and the internal pressure of container handling 17 and temperature are respectively 0.9Mpa and 170 ℃.Afterwards, boiler of organic heat carrier 23 is to heating muff 18 transfer heat, and heat treated container 17, and when container handling 17 internal temperatures and pressure reach 200 ℃ respectively during with 1.55Mpa, heating muff 18 stops heat supply.Afterwards, the heat intermittent delivery makes container handling 17 internal temperatures maintain 220 ℃.Adding the water decomposition duration of the reaction is 30 minutes.Add be reaction terminating after water decomposition is handled after, container handling 17 is decompressed to standard atmospheric pressure, takes out the tail product.
The tail product that can get 0.98 ton after the processing is a reaction product, and moisture content is 20%.Detect through correlation technique, its content of beary metal does not contain assorted bacterium, and contains nitrogen, P elements far below national restrictive standards, can be used as fertilizer and uses, and can be used as the desirable feedstock of biological organic fertilizer and agricultural biological microbial inoculum yet.
Claims (6)
1. organic solid castoff hydrolysis process and resource regenerating unit; Comprise that disintegrating machine, broken thing storage tank, raw material drop into storage warehouse, container handling, steam direct current cooker, boiler of organic heat carrier, cyclone dust and odor removal; It is characterized in that disintegrating machine connects broken thing storage tank successively and raw material drops into storage warehouse; Said raw material drops into the outlet of storage warehouse and the inlet of container handling joins; Container handling connects cyclone dust and odor removal more successively through the steam vent on it, and heating muff is installed in the bottom of said container handling, and said steam direct current cooker is connected with heating muff with container handling respectively with boiler of organic heat carrier;
Said organic solid castoff hydrolysis process and resource regenerating unit are when work, and the heat of heating muff provides by being attached thereto the boiler of organic heat carrier that connects, and the steam of container handling provides by being attached thereto the steam direct current cooker that connects;
The inner organic heat carrier that adds of said boiler of organic heat carrier.
2. organic solid castoff hydrolysis process as claimed in claim 1 and resource regenerating unit is characterized in that the porch of said container handling is provided with the withstand voltage valve with switching function, the set inside mixer, and add moisture adjustment material.
3. organic solid castoff hydrolysis process as claimed in claim 1 and resource regenerating unit; It is characterized in that said cyclone dust is a kind of in tangent type cyclone dust and the axial type cyclone dust, or the parallel connection of a plurality of cyclone dust forms multicyclone.
4. organic solid castoff hydrolysis process as claimed in claim 1 and resource regenerating unit is characterized in that said heating muff is provided with drainpipe.
5. organic solid castoff hydrolysis process as claimed in claim 1 and resource regenerating unit is characterized in that said container handling and being connected of cyclone dust and steam direct current cooker are provided with pressure regulator valve on the pipeline.
6. the processing method of organic solid castoff hydrolysis process and resource regeneration is characterized in that may further comprise the steps:
(1) raw material drops into operation: with raw material is that object being treated drops in the container handling of sealing state;
(2) accurate heating and pressurizing operation: in above-mentioned container handling, send into steam, make its intensification be forced into 120～200 ℃ of temperature, pressure 0.198～1.55Mpa;
(3) formal heating and pressurizing operation: in heating muff, realize the high temperature organic heat carrier circulation more than 200 ℃, container handling is heated up be forced into 200～300 ℃ of temperature, pressure 1.55～8.59Mpa;
(4) tail product recovery process: after the steam in the container handling was discharged, the tail product thing of promptly finishing dealing with was discharged.
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Cited By (1)
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| TWI549762B (en) * | 2015-04-23 | 2016-09-21 | 林翰謙 | The preparation method of "biomass sorghum distillery residues fuel briquettes (biosoft) from sorghum distillery residues and high fiber herbivore animal excrements |
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| WO2013149359A1 (en) * | 2012-04-01 | 2013-10-10 | Chou Chukwang | Apparatus for treating waste materials with three-dimensional agitating mechanism |
| CN104858215A (en) * | 2015-05-27 | 2015-08-26 | 北京洁绿科技发展有限公司 | Innocent treatment method of dead livestock |
| TWI574751B (en) * | 2015-06-18 | 2017-03-21 | Shi Li-Ju | Energy Saving Purification System for High Temperature Organic Liquid |
| WO2017120778A1 (en) * | 2016-01-12 | 2017-07-20 | 刘湘静 | Industrial solid waste treatment apparatus |
| CN109180226A (en) * | 2018-10-19 | 2019-01-11 | 杨霆 | A kind of dry cleaning up excrement just hydrolyzes decomposed production organic fertilizer technique and device |
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