CN204625491U - Urban waste is utilized to prepare the device of novel ecological cultivation matrix - Google Patents
Urban waste is utilized to prepare the device of novel ecological cultivation matrix Download PDFInfo
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- CN204625491U CN204625491U CN201520172199.6U CN201520172199U CN204625491U CN 204625491 U CN204625491 U CN 204625491U CN 201520172199 U CN201520172199 U CN 201520172199U CN 204625491 U CN204625491 U CN 204625491U
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- 239000011159 matrix material Substances 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 title claims abstract description 16
- 238000004880 explosion Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 65
- 239000010921 garden waste Substances 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 28
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 9
- 238000013022 venting Methods 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 37
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- 239000010802 sludge Substances 0.000 description 19
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- 238000007600 charging Methods 0.000 description 7
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 6
- 239000002054 inoculum Substances 0.000 description 6
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- 238000002156 mixing Methods 0.000 description 5
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- 239000011574 phosphorus Substances 0.000 description 3
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to urban waste resource technology, aims to provide a kind of device utilizing urban waste to prepare novel ecological cultivation matrix.In this device: the material of garden waste storage tank and mud storage tank delivers to steam explosion tank through screw conveyor and distributing trough, the middle and lower part of steam explosion tank establishes steam inlet to introduce steam; Steam explosion tank is fast opening type pressure container, and the discharge port bottom it is connected to aerobic fermentation tank by pipeline; Venting port is established in aerobic fermentation tank top, connects induced draft fan and biological deodorizing equipment successively by pipeline; Aerobic fermentation pot bottom establishes hot-air inlets and discharge port, and discharge port is connected to belt filter press by pipeline, and belt filter press connects sieve apparatus, moisture eliminator and tablets press successively by pipeline, and discharge port established by tablets press.When the utility model is used for cultivation matrix production, fermenting process required time is short, and fermentation efficiency is high; Production process is energy-conservation; Can innoxious to environment be realized, serialization and automatic production can be realized.
Description
Technical field
The utility model belongs to environmental technology field, particularly a kind of urban waste resource technology, specifically utilize urban waste to prepare novel ecological cultivation matrix and device.
Background technology
In China's economy and urbanization process, a large amount of mud is created while water for city's residential use amount sharply increases, the quantity of urban garden and green space system area garden waste also gets more and more simultaneously, one of the two main composition becoming municipal solid wastes.These two kinds of common disposal options of solid organic castoff are landfill or burning, this not only adds the cost of government to refuse treatment, also waste valuable land resources, pollute environment.Contain a large amount of organic matters in municipal sludge and garden waste, not adding utilization is also waste greatly resource simultaneously.
On the other hand, the cultivation matrix of worldwide widespread use is peat at present, but due to overexploitation, mud and charcoal greatly reduces, exploit peat simultaneously and can cause serious destruction to Wetland ecological, and peat is non-renewable in a short time, the increasing pressure therefore limiting peat use is large, in the urgent need to developing the substitute of peat
Based on above background, utilize one of solid organic castoff fermentative production fertilizer or the cultivation matrix focus becoming current research.In existing technology, have much about the detailed description of this respect.Chinese patent CN 101618977A provides a kind of dewatered sludge aerobic fermentation treatment technology.Dewatered sludge and auxiliary material carry out mixing by this technology, broken, use material distributing machine by windrow size distribution for the heap body that 2m is high carries out Secondary Fermentation in fermentation cabin, can become thoroughly decomposed completely through 20 ~ 30 days, product water ratio is about 40%.Chinese patent CN 1958536A provides a kind of method that mud, branch fallen leaves and mineralized waste prepare cultivating soil, the method uses aerobic compost technology, became thoroughly decomposed through 30 ~ 40 days, branch fallen leaves and the sludge composting product of system, add the mineralized waste of 1 ~ 4 times of weight again, the cultivating soil meeting national standard can be obtained.Chinese patent CN 101637778 provides a kind of method utilizing the organic wastes such as agricultural organic waste, changing food waste, feces of livestock and poultry and organic active mud to prepare ecological organic fertilier, organic waste is first carried out fragmentation by the method, mixture is carried out again with process water, then add inoculum and carry out anaerobically fermenting, the biogas of output is used for generating, carry out high temperature and middle temperature aerobic compost again with natural pond liquid after the natural pond slag of output adds water, eventually pass through screening, drying, granulation make ecological organic fertilier.Chinese patent CN 102303988A provides a kind of dewatered sludge, and aerobic-anaerobism replaces the method for fermentation for gardens Nutrition Soil, the method uses three alternately aerobic-anaerobically fermentings, each aerobic fermentation needs 5 days, anaerobically fermenting needs 3 days, whole preparation process needs 24 days, finally can be met the gardens Nutrition Soil of innoxious standard.
But the common problem that above technology exists is, although finally can obtain the ecological organic fertilier or gardens cultivating soil that meet service requirements, whole preparation process especially fermentation procedure consuming time long, production efficiency is very low.And, in whole fermenting process, do not consider the process problem of the band odorous gas produced.In addition, above technology is only utilize the leavening temperature raised in composting process to come killing pathogenic bacteria and parasitic ovum, and the effect of sterilizing is bad, easily causes the secondary pollution of environment.
Utility model content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, provides a kind of device utilizing urban waste to prepare novel ecological cultivation matrix.This device is utilized to carry out matrix production, its fermentation period is short, can continuous seepage, can odor pollution be prevented, can solve the problem of environmental pollution comprising municipal sludge and garden waste, the organic cultivation matrix of production can be used as the cultivating soil of afforestation, flower planting etc.
For technical solution problem, solution of the present utility model is:
The utility model provides a kind of device utilizing urban waste to produce novel ecological cultivation matrix, comprises garden waste storage tank, mud storage tank, vapour generator, steam explosion tank and aerobic fermentation tank; The outlet at bottom of garden waste storage tank is connected to crusher, and the outlet of crusher and mud storage tank is all connected to and is uniformly mixed groove; The outlet being uniformly mixed groove has screw conveyor, and screw conveyor outlet has distributing trough, and distributing trough outlet is connected to the top of steam explosion tank by pipeline, the middle and lower part of steam explosion tank establishes steam inlet to introduce steam; Steam explosion tank is fast opening type pressure container, and the discharge port bottom it is connected to aerobic fermentation tank by pipeline;
Venting port is established in aerobic fermentation tank top, connects induced draft fan and biological deodorizing equipment successively by pipeline; Aerobic fermentation pot bottom establishes hot-air inlets and discharge port, and discharge port is connected to belt filter press by pipeline, and belt filter press connects sieve apparatus, moisture eliminator and tablets press successively by pipeline, and discharge port established by tablets press;
The material turnover pipeline of described steam explosion tank, aerobic fermentation tank all arranges automatic valve, is connected to two-position controller by signal wire and is opened and closed by its by-pass valve control; Wherein, the automatic valve of the discharge port of steam explosion tank is quick-opening valve.
Improve as one, described vapour generator is combustion type or electrothermic type, the pipeline between vapour generator and steam explosion tank is provided with steam buffer tank.
Improve as one, the pipeline between described steam explosion tank and aerobic fermentation tank is provided with waste-heat recoverer; The opening for feed at waste-heat recoverer top is connected to the discharge port of steam explosion tank, and the discharge port of bottom is then connected to aerobic fermentation tank; Warm air relief outlet is established in the middle and upper part of waste-heat recoverer, is connected to the hot-air inlets of aerobic fermentation pot bottom by pipeline; Gas inlet is established in the middle and lower part of waste-heat recoverer, connects with air compressor.
Improve as one, the quantity of steam explosion tank is at least 4, and setting parallel with one another;
Improve as one, described waste-heat recoverer has 2 at least, and setting parallel with one another; Establish the air circulation route of series operation between waste-heat recoverer, namely the exit air of a waste-heat recoverer is connected to the gas inlet of its adjacent waste-heat recoverer.
Improve as one, described waste-heat recoverer has 2 at least, and setting parallel with one another; Establish the air circulation route of series operation between waste-heat recoverer, namely the exit air of a waste-heat recoverer is connected to the gas inlet of its adjacent waste-heat recoverer.
Improve as one, described aerobic fermentation tank has 2 at least, and setting parallel with one another; Whipping appts is established in aerobic fermentation tank.
The method of novel ecological cultivation matrix is prepared in the urban waste that utilizes realized based on the device described in the utility model, comprises the following steps:
(a) by water ratio be the garden waste thing Mechanical Crushing of 10% ~ 35% to particle diameter≤3cm, and to be uniformly mixed with the municipal sludge of first mummification, rear shearing, to obtain mixing raw material; The water ratio of the municipal sludge after drying and other treatment is 60% ~ 90%, and the mass ratio that municipal sludge mixes with garden waste is 1: 0.3 ~ 2;
B described mixing raw material is sent in steam explosion tank and is carried out Steam explosion treatment by (), control the temperature 180 ~ 260 DEG C in steam explosion tank, pressure 0.8MPa ~ 2.6MPa, heat-insulation pressure keeping time 10min ~ 20min; Material after Steam explosion treatment is cooled to 50 DEG C ~ 65 DEG C; Material after process carries out cooling and reclaims its waste heat, obtains warm air;
C () is added to cooled material the aerobic fermentation microbial inoculum accounting for its 0.2 ~ 0.5% quality and is carried out aerobic fermentation as Inoculant, pass into warm air to keep fermentation temperature required, controlling leavening temperature is 55 DEG C ~ 65 DEG C, fermentation time 5 ~ 10 days simultaneously; Described Inoculant is aerobic fermentation microbial inoculum;
D material after described fermentation carries out sieving by (), dry, granulation, obtains ecological cultivation matrix.
After completing steps (c), getting the material after Partial fermentation as amendment for preparation process next time: when adding Inoculant, adding the amendment accounting for material 20 ~ 50% quality after cooling simultaneously, carrying out aerobic fermentation.(namely amendment is the reactant of front main fermentation gained, can not add first.)
D material after described fermentation carries out sieving by (), dry, granulation, obtains ecological cultivation matrix.
Material particular diameter in step (d) after screening is 1cm ~ 1.5cm, material water ratio 15% ~ 25% after dry.
Described garden waste is: at least one in Litter, branch pruning thing, turf-mown thing, weeds, seed or residual flower.
In the utility model, described steam explosion tank by setting multiple and parallel with one another, the action that each steam explosion tank performs charging successively, passes into steam when carrying out Steam explosion treatment, heat-insulation pressure keeping and heat are spurted; Described aerobic fermentation tank has setting multiple and parallel with one another, and when carrying out aerobic fermentation, each aerobic fermentation tank performs the action of charging, fermentation and blowing successively; Realize the continuous prodution of ecological cultivation matrix by the way.
Compared with prior art, the beneficial effects of the utility model are:
(1) fermenting process required time is short, and fermentation efficiency is high.Can ensure that in fermentor tank, the parameter such as temperature and oxygen all the time within the scope of its best effort, can ensure that material can become thoroughly decomposed completely by insulation, heating, ventilation operation.The pre-treatment of steam explosion simultaneously can make fermentation time greatly shorten.
(2) production process is energy-conservation.Also comprise waste-heat recoverer in production system of the present utility model, the heat of material after recyclable steam explosion, for the heating of fermentor tank material, thus ensure making full use of of heat.
(3) by the high temperature high pressure process of steam explosion pretreatment technology, various pathogenic bacterias, parasitic ovum etc. in raw material can thoroughly be killed, thus realize innoxious to environment.
(4) serialization and automatic production can be realized.Carry out differential time by multiple steam explosion tank parallel connection, ensure have steam explosion tank to realize the quick-fried process of vapour to material in process of production all the time, thus ensure the continuous of material feeding process; Meanwhile, multiple fermentor tank is in parallel, can ensure that in production process, there is finished product output every day.The material import and export valve of each device controls by two-position controller, can realize the automatization of material conveying process.
(5) the utility model can prevent secondary pollution, while enhancing productivity, and real innoxious, minimizing, the resource utilization realizing municipal sludge and garden waste.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is equipment schematic diagram in the utility model embodiment 2;
Wherein 1-garden waste storage tank; 2-mud storage tank; 3-crusher; 4-be uniformly mixed groove; 5-screw conveyor; 6-distributing trough; 7-steam buffer tank; 8-vapour generator; 9-air compressor; 10-steam explosion tank; (11-1,11-2)-waste-heat recoverer; (12-1,12-2,12-3,12-4,12-5,12-6)-aerobic fermentation tank; (13-1,13-2)-belt filter press; 14-sieve apparatus; 15-moisture eliminator; 16-tablets press; 17-induced draft fan; 18-biological deodorizing equipment.
Embodiment
Utilize urban waste to prepare the device of novel ecological cultivation matrix in the utility model, comprise garden waste storage tank 1, mud storage tank 2, crusher 3, be uniformly mixed groove 4, screw conveyor 5, distributing trough 6, steam buffer tank 7, vapour generator 8, air compressor 9, steam explosion tank 10, waste-heat recoverer 11, aerobic fermentation tank 12, belt filter press 13, sieve apparatus 14, moisture eliminator 15, tablets press 16, biological deodorizing equipment 17.The outlet at bottom of garden waste storage tank 1 is connected to crusher 3, and the outlet of crusher 3 and mud storage tank 2 is all connected to and is uniformly mixed groove 4; The outlet being uniformly mixed groove 4 has screw conveyor 5, and screw conveyor 5 outlet has distributing trough 6, and distributing trough 6 exports the top being connected to steam explosion tank 10 by pipeline, and the middle and lower part of steam explosion tank 10 establishes steam inlet to introduce steam; Steam explosion tank 10 is fast opening type pressure container, and the discharge port bottom it is connected to waste-heat recoverer 11-1,11-2 by pipeline; The opening for feed at waste-heat recoverer 11-1,11-2 top is connected to the discharge port of steam explosion tank 10, and the discharge port of bottom is then connected to aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6; Warm air relief outlet is established in the middle and upper part of waste-heat recoverer 11-1,11-2, is connected to the hot-air inlets bottom aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6 respectively by pipeline; Gas inlet is established in the middle and lower part of waste-heat recoverer 11-1,11-2, connects with air compressor 9.Vapour generator 8 is combustion type or electrothermic type, the pipeline between vapour generator 8 and steam explosion tank 10 is provided with steam buffer tank 7.
Venting port is established at the top of aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6, connects induced draft fan 17 and biological deodorizing equipment 18 successively by pipeline; Hot-air inlets and discharge port is established bottom aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6; discharge port is connected to belt filter press 13-1,13-2 by pipeline; belt filter press 13-1,13-2 connect sieve apparatus 14, moisture eliminator 15 and tablets press 16 successively by pipeline, and discharge port established by tablets press 16.
Steam explosion tank 10 has 4, and setting parallel with one another.Described waste-heat recoverer 11-1,11-2 setting parallel with one another; Establish the air circulation route of series operation between waste-heat recoverer 11-1,11-2, namely the exit air of waste-heat recoverer 11-1 is connected to the gas inlet of its adjacent waste-heat recoverer 11-2.Aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6 setting parallel with one another; Whipping appts is established in aerobic fermentation tank 12-1,12-2,12-3,12-4,12-5,12-6.The material turnover pipeline of steam explosion tank 10, aerobic fermentation tank body 12-1,12-2,12-3,12-4,12-5,12-6 all arranges automatic valve, is connected to two-position controller by signal wire and is opened and closed by its by-pass valve control; Wherein, the automatic valve of the discharge port of steam explosion tank 10 is quick-opening valve.
The method of novel ecological cultivation matrix is prepared in the urban waste that utilizes based on equipment described in the utility model, and comprises the following steps:
(a) by water ratio be the garden waste thing Mechanical Crushing of 10% ~ 35% to particle diameter≤3cm, and with through mummification, shear after municipal sludge be uniformly mixed, obtain mixing raw material; The water ratio of the municipal sludge after mummification is 60% ~ 90%, and the mass ratio that municipal sludge mixes with garden waste is 1: 0.3 ~ 2; Described garden waste is: at least one in Litter, branch pruning thing, turf-mown thing, weeds, seed or residual flower.
B described mixing raw material is sent in steam explosion tank and is carried out Steam explosion treatment by (), control the temperature 180 ~ 260 DEG C in steam explosion tank, pressure 0.8MPa ~ 2.6MPa, heat-insulation pressure keeping time 10min ~ 20min; Material after Steam explosion treatment is cooled to 50 DEG C ~ 65 DEG C; Material after process carries out cooling and reclaims its waste heat, obtains warm air;
C () accounts for the Inoculant of its 0.2 ~ 0.5% quality to cooled material interpolation and accounts for the amendment of its 20 ~ 50% quality, carry out aerobic fermentation, pass into warm air to keep fermentation temperature required, controlling leavening temperature is 55 DEG C ~ 65 DEG C, fermentation time 5 ~ 10 days simultaneously; Described Inoculant is aerobic fermentation microbial inoculum, and amendment is the material after aerobic fermentation completes;
D material after described fermentation carries out sieving by (), dry, granulation, obtains ecological cultivation matrix.Material particular diameter after screening is 1cm ~ 1.5cm, material water ratio 15% ~ 25% after dry.
Described aerobic fermentation bacterial classification belongs to prior art, can select any one aerobic fermentation bacterium commercially available, such as EM bacterium, yeast etc.The title of the aerobic fermentation bacterial classification used in the utility model specific embodiment is EM bacterium, purchased from Zhengzhou Nong Le Bioisystech Co., Ltd.Amendment described in the utility model is the reactant of front main fermentation gained, can not add first (after completing main fermentation, getting the material after Partial fermentation as amendment for preparation process next time).
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
Start vapour generator 8, open outlet valve and steam buffer tank 7 inlet valve of vapour generator 8.By water ratio be simultaneously 10% join in garden waste storage tank 1 containing the garden waste of branch pruning thing, water ratio be 96% municipal sludge water ratio after mummification be down to 90%, then to join in mud storage tank 2 after shearing.Open the bleeder valve of garden waste storage tank 1, make garden waste enter into crusher 3, its particle diameter after fragmentation is 3cm.Open the valve of crusher 3 and mud storage tank 2, the mass ratio mixed with garden waste according to municipal sludge be 1:0.3 by mass transport to being uniformly mixed in groove 4, after being uniformly mixed 5min, mixed material is transported in distributing trough 6 by screw conveyor 5.
Distributing trough 6 distributes material to successively each steam explosion tank, order is as follows: the feed valve only opening first steam explosion tank, material is made to enter in first steam explosion tank, closedown feed valve after its charging completes, open the feed valve of second steam explosion tank simultaneously, material is made to enter in second steam explosion tank, the like, until the 4th steam explosion tank complete fill process after, first steam explosion tank starts next feed cycle, feed time t1=2min, so circulates.After the charging of first steam explosion tank, open the valve on steam buffer tank and this steam explosion tank connecting tube, steam is made to pass into first steam explosion tank, logical steam t2=2min consuming time, be 180 DEG C in temperature, pressure is under 0.8MPa, heat-insulation pressure keeping t3=20min, then the discharging quick-opening valve opening the first steam explosion tank spurts, and process of spurting t4=min consuming time, the material after vapour is quick-fried is passed in waste-heat recovery device 11.Completing a steam explosion loop cycle required time is T=t1+t2+t3+t4=26min.
Start air compressor 9, passed into by pressurized air in waste-heat recovery device 11-1 and 11-2 of two air ports series connection and cool the material after steam explosion, cooled temperature of charge is 50 DEG C.Have 2 fermentor tanks, open the feed valve of aerobic fermentation tank 12, cooled material is added the first aerobic fermentation tank, feed time is 15min.After charging completes, add aerobic fermentation microbial inoculum EM bacterium and front main fermentation complete after material, add quality and be respectively 0.2% and 20% of proferment quality of material, close the feed valve of the first aerobic fermentation tank, this tank enters fermentation stage, open the feed valve of the second aerobic fermentation tank, the like.In fermenting process, open venting port valve, collected the gas produced in fermenting process by induced draft fan 17, and gas is passed in biological deodorizing equipment 18.Pass into simultaneously and ensured that leavening temperature maintains 55 DEG C by the air heated, after 10 days, material completes fermenting process, and after aerobic fermentation completes, the water ratio of material is 45%.Material after fermentation enters in belt filter press 13 and dewaters; again by dehydration after mass transport in sieve apparatus 14; after screening, material diameter is 1.5cm; again material is passed through moisture eliminator 15; after dry, water ratio is 15%; obtain final finished product finally by tablets press 16, finished product is chocolate, harmless, odorless.After testing, the organic content of obtained organic culture substrate is 30%, and nitrogen, phosphorus, potassium content are 10%, and unit weight is 0.57g/cm
3, porosity is that 73%, pH is between 6.0 ~ 6.2.
Embodiment 2
Start vapour generator 8, open outlet valve and steam buffer tank 7 inlet valve of vapour generator 8.By water ratio be simultaneously 15% containing Litter, branch pruning thing garden waste join in garden waste storage tank 1, water ratio be 95% municipal sludge water ratio after mummification be down to 85%, join in mud storage tank 2 after shearing again, open the bleeder valve of garden waste storage tank 1, make garden waste enter into crusher 3, its particle diameter after fragmentation is 2cm.Open the valve of crusher 3 and mud storage tank 2, the mass ratio mixed with garden waste according to municipal sludge is material entered be uniformly mixed in groove 4 at 1: 2, after being uniformly mixed 5min, mixed material is transported in distributing trough 6 by screw conveyor 5.
Distributing trough 6 distributes material to successively each steam explosion tank, total 4, steam explosion tank, steam explosion process is identical with embodiment 1, feed time t1=leads to steaming time t2=blowdown time t4=2min, heat-insulation pressure keeping time t3=10min, the temperature passing into steam is 260 DEG C, and pressure is 2.6MPa.Completing a steam explosion loop cycle required time is T=t1+t2+t3+t4=16min.Material after vapour is quick-fried is passed in waste-heat recovery device 11.
Start air compressor 9, passed into by pressurized air in three air ports series connection waste-heat recovery devices 11 and cool the material after steam explosion, cooled temperature of charge is 65 DEG C.Open the feed valve of aerobic fermentation tank 12, cooled material is added the first aerobic fermentation tank, feed time is 10min.After charging completes, add aerobic fermentation microbial inoculum EM bacterium and front main fermentation complete after material, add quality and be respectively 0.5% and 50% of proferment quality of material, close the feed valve of the first aerobic fermentation tank, this tank enters fermentation stage, open the feed valve of the second aerobic fermentation tank, the like, be provided with fermentor tank 6 altogether.In fermenting process, open venting port valve, collected the gas produced in fermenting process by induced draft fan 17, and gas is passed in biological deodorizing equipment 18.Pass into simultaneously and ensured that leavening temperature maintains 65 DEG C by the air heated, after 5 days, material completes fermenting process, and after aerobic fermentation completes, the water ratio of material is 40%.Material after fermentation enters in belt filter press 13 and dewaters; again by dehydration after mass transport in sieve apparatus 14; after screening, material diameter is 1cm; material after screening is by moisture eliminator 15; after dry, material water ratio is 25%; finally by tablets press 16, obtain final finished product, finished product is chocolate, harmless, odorless.After testing, the organic content of obtained organic culture substrate is 35%, and nitrogen, phosphorus, potassium content are 8%, and unit weight is 0.61g/cm
3, porosity is that about 70%, pH is between 6.1 ~ 6.3.
Embodiment 3
Start vapour generator 8, open outlet valve and steam buffer tank 7 inlet valve of vapour generator 8.Be that the turf-mown thing of 35%, weeds, seed or residual flower garden waste join in garden waste storage tank 1 by water ratio simultaneously, water ratio be 95% municipal sludge water ratio after mummification be down to 60%, join in mud storage tank 2 after shearing again, open the bleeder valve of garden waste storage tank 1, make garden waste enter into crusher 3, its particle diameter after fragmentation is 2cm.Open the valve of crusher 3 and mud storage tank 2, the mass ratio mixed with garden waste according to municipal sludge is material entered be uniformly mixed in groove 4 at 1: 0.8, after being uniformly mixed 5min, mixed material is transported in distributing trough 6 by screw conveyor 5.
Distributing trough 6 distributes material to successively each steam explosion tank, total 4, steam explosion tank, steam explosion process is identical with embodiment 1, feed time t1=leads to steaming time t2=blowdown time t4=2min, heat-insulation pressure keeping time t3=15min, the temperature passing into steam is 210 DEG C, and pressure is 1.7MPa.Completing a steam explosion loop cycle required time is T=t1+t2+t3+t4=21min.Material after vapour is quick-fried is passed in waste-heat recovery device 11.
Start air compressor 9, pressurized air is passed in the waste-heat recovery device 11 of three air ports series connection and the material after steam explosion is cooled, cooled temperature of charge is 60 DEG C, open the feed valve of aerobic fermentation tank 12, cooled material is added the first aerobic fermentation tank, and feed time is 20min.After charging completes, add aerobic fermentation microbial inoculum EM bacterium and front main fermentation complete after material, add quality and be respectively 0.3% and 30% of proferment quality of material, close the feed valve of the first aerobic fermentation tank, this tank enters fermentation stage, open the feed valve of the second aerobic fermentation tank, the like, be provided with fermentor tank 8 altogether.In fermenting process, open venting port valve, collected the gas produced in fermenting process by induced draft fan 17, and gas is passed in biological deodorizing equipment 18.Pass into simultaneously and ensured that leavening temperature maintains 60 DEG C by the air heated, after 7 days, material completes fermenting process, and after aerobic fermentation completes, the water ratio of material is 42%.Material after fermentation enters in belt filter press 13 and dewaters; again by dehydration after mass transport in sieve apparatus 14; material diameter 1.3cm after screening; material after screening is by moisture eliminator 15; after dry, material water ratio is 20%; finally by tablets press 16, obtain final finished product, finished product is chocolate, harmless, odorless.After testing, the organic content of obtained organic culture substrate is 33%, and nitrogen, phosphorus, potassium content are 8%, and unit weight is 0.58g/cm
3, porosity is that 75%, pH is between 6.2 ~ 6.5.
It is the most required it is noted that what enumerate above is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, can also have many technology destructing and deformation design.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed in the utility model, all should think in protection domain of the present utility model.
Claims (6)
1. utilize urban waste to produce the device of novel ecological cultivation matrix, comprise garden waste storage tank and mud storage tank, it is characterized in that, also comprise vapour generator, steam explosion tank and aerobic fermentation tank; The outlet at bottom of garden waste storage tank is connected to crusher, and the outlet of crusher and mud storage tank is all connected to and is uniformly mixed groove; The outlet being uniformly mixed groove has screw conveyor, and screw conveyor outlet has distributing trough, and distributing trough outlet is connected to the top of steam explosion tank by pipeline, the middle and lower part of steam explosion tank establishes steam inlet to introduce steam; Steam explosion tank is fast opening type pressure container, and the discharge port bottom it is connected to aerobic fermentation tank by pipeline;
Venting port is established in aerobic fermentation tank top, connects induced draft fan and biological deodorizing equipment successively by pipeline; Aerobic fermentation pot bottom establishes hot-air inlets and discharge port, and discharge port is connected to belt filter press by pipeline, and belt filter press connects sieve apparatus, moisture eliminator and tablets press successively by pipeline, and discharge port established by tablets press;
The material turnover pipeline of described steam explosion tank, aerobic fermentation tank all arranges automatic valve, is connected to two-position controller by signal wire and is opened and closed by its by-pass valve control; Wherein, the automatic valve of the discharge port of steam explosion tank is quick-opening valve.
2. device according to claim 1, is characterized in that, described vapour generator is combustion type or electrothermic type, the pipeline between vapour generator and steam explosion tank is provided with steam buffer tank.
3. device according to claim 1, is characterized in that, the pipeline between described steam explosion tank and aerobic fermentation tank is provided with waste-heat recoverer; The opening for feed at waste-heat recoverer top is connected to the discharge port of steam explosion tank, and the discharge port of bottom is then connected to aerobic fermentation tank; Warm air relief outlet is established in the middle and upper part of waste-heat recoverer, is connected to the hot-air inlets of aerobic fermentation pot bottom by pipeline; Gas inlet is established in the middle and lower part of waste-heat recoverer, connects with air compressor.
4. device according to claim 3, is characterized in that, the quantity of steam explosion tank is at least 4, and setting parallel with one another.
5. device according to claim 3, is characterized in that, described waste-heat recoverer has 2 at least, and setting parallel with one another; Establish the air circulation route of series operation between waste-heat recoverer, namely the exit air of a waste-heat recoverer is connected to the gas inlet of its adjacent waste-heat recoverer.
6. device according to claim 3, is characterized in that, described aerobic fermentation tank has 2 at least, and setting parallel with one another; Whipping appts is established in aerobic fermentation tank.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105622180A (en) * | 2015-12-17 | 2016-06-01 | 江苏同盛环保技术有限公司 | Process of using garden waste and dewatered sludge to produce landscaping cultivation medium |
CN106007835A (en) * | 2016-05-16 | 2016-10-12 | 胡卫江 | Complete equipment for intermittently producing ecological nutrient medium through sludge and organic solid waste |
CN107176857A (en) * | 2017-05-25 | 2017-09-19 | 陈橹达 | The equipment that cultivation ecological nutrition soil is manufactured using city solid waste |
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CN111484224A (en) * | 2020-03-09 | 2020-08-04 | 杭州埃莫森环保科技有限公司 | Method and system for producing anti-compacting ecological nutrient soil by using sludge |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105622180A (en) * | 2015-12-17 | 2016-06-01 | 江苏同盛环保技术有限公司 | Process of using garden waste and dewatered sludge to produce landscaping cultivation medium |
CN106007835A (en) * | 2016-05-16 | 2016-10-12 | 胡卫江 | Complete equipment for intermittently producing ecological nutrient medium through sludge and organic solid waste |
CN107176857A (en) * | 2017-05-25 | 2017-09-19 | 陈橹达 | The equipment that cultivation ecological nutrition soil is manufactured using city solid waste |
CN109574716A (en) * | 2018-12-29 | 2019-04-05 | 四川高博环保工程有限公司 | A kind of production line and its production technology using sludge production fertilizer |
CN109574716B (en) * | 2018-12-29 | 2023-12-05 | 四川高博环投科技有限公司 | Production line for producing fertilizer by utilizing sludge and production process thereof |
CN111484224A (en) * | 2020-03-09 | 2020-08-04 | 杭州埃莫森环保科技有限公司 | Method and system for producing anti-compacting ecological nutrient soil by using sludge |
CN111423260A (en) * | 2020-03-23 | 2020-07-17 | 刘文治 | A complete set of equipment for organic solid waste treatment and fertilizer production |
CN111423260B (en) * | 2020-03-23 | 2024-05-14 | 刘文治 | A complete set of equipment for treating organic solid waste to make fertilizer |
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