CN105080944A - Kitchen and food waste innocent and recycling treatment device and treatment technology thereof - Google Patents
Kitchen and food waste innocent and recycling treatment device and treatment technology thereof Download PDFInfo
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- CN105080944A CN105080944A CN201510642574.3A CN201510642574A CN105080944A CN 105080944 A CN105080944 A CN 105080944A CN 201510642574 A CN201510642574 A CN 201510642574A CN 105080944 A CN105080944 A CN 105080944A
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Abstract
The invention discloses a kitchen and food waste pollutant innocent and recycling treatment device. When the device comprises one hydrolysis treatment tank, one material elevator can be used for direct tank charging, a discharging port of the hydrolysis treatment tank is in communication connection with a spray explosion unloading bin through a pneumatic discharging valve, the device further comprises a dry and hot air storage tank, an input end of the dry and hot air storage tank is connected with a top end exhaust port of the hydrolysis treatment tank through an exhaust valve, and the device further comprises the material elevator arranged on one side of the hydrolysis treatment tank; when the device comprises more than two hydrolysis treatment tanks, material distributors are added between charging ports of the hydrolysis treatment tanks and a discharging port of the material elevator; the top end discharging port of the material elevator is connected with top end charging ports of the hydrolysis treatment tanks through a herringbone distributor and pneumatic charging valves sequentially, and the device further comprises a spray washing tower arranged on one side of the spray explosion unloading bin. With the adoption of the device and the technology thereof, thoroughly innocent and recycling treatment with quick sterilization can be performed on kitchen and food waste under the action of high-pressure and high-temperature steam; inorganic matters and organic matters mixed in the kitchen and food waste are thoroughly separated, meanwhile, innocent treatment is performed on gas discharged by the spray explosion unloading bin, and the gas reaches the discharge standard.
Description
Technical field
Changing food waste harmless resource utilization device and treatment process thereof more than the hydrolysis draining technology field, particularly a kind of kitchen that the present invention relates to food garbage.
Background technology
Each district of China, cities and towns output every day hundreds of ton and even thousands of tons of comprise the various organic wastes of the organic wastes such as changing food waste, rubbish from cooking, agricultural waste, aquaculture rubbish, various discarded fermentates; These organic wastes have formed the primary pollution source of current China urban and rural environment, seriously threaten modern city and towns and rural ecological environment; In recent years along with the pay attention to day by day of Environmental protection work and the raising increasingly of social common people's environmental consciousness, one of the important agenda of government work and the important concern of the numerous common people are become to the process of town and country rubbish from cooking and changing food waste.
Along with the development of national economy and improving constantly of people's life, in these years catering trade achieves swift and violent development, and pollution and the process problem of thing followed changing food waste have just become one of one of environmental protection work large emphasis problem; Due to changing food waste there is complicated component, greasy dirt is many, moisture is large, salinity high, is a very complicated problem to its process problem; Again because the large distribution of rubbish from cooking quantity is wide, moisture high humility is large, composition and complexity thereof, it has become major pollutants in the rubbish of town and country and pollution sources, and the macronucleus having become the many comprehensive resource processing items comprising waste incineration project is become or be suspicious difficult problem.
As everyone knows, comprise changing food waste, rubbish from cooking all organic wastes putrid and deteriorated after, all can produce foul gas, grow mosquitos and flies, produce bacterial virus to environment, jeopardize human health; Being the extremely urgent task of top priority to the improvement of these organic wastes, has been one of cardinal task of paying close attention to most of country, governments at all levels and even the whole society! The domestic process to these organic wastes has at present germinated many processes, such as: composting process (containing aerobic fermentation and anaerobic fermentation at interior bioanalysis), biogas method, pyrolytic gasification method, burning method, landfill method ...).
(actual is pressure 0.8-1Mpa, temperature 150-200 to utilize high-pressure and high-temperature steam
othe low pressure steam of c, technique custom is commonly called as " HTHP ") in hydrolysis process tank, at catalyst and the auxiliary lower rapid of additive, quick composting degraded (2-3 hour), thorough disinfection sterilizing are implemented to rubbish from cooking changing food waste, and then make these organic wastes change into high-quality organic matter, and then a kind of industrialization treatment technology equipment of recycling.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides changing food waste harmless resource utilization device and treatment process thereof more than a kind of kitchen.
In order to solve above technical problem, the invention provides changing food waste harmless resource utilization device more than a kind of kitchen, comprising more than one or one hydrolysis process tank and the discharging opening of hydrolysis process tank is connected with the quick-fried off-load storehouse conducting of spray by pneumatic blow-off valve; Also comprise hot dry wind air accumulator, the input of hot dry wind air accumulator is connected with the top exhaust outlet of hydrolysis process tank by air bleeding valve, its objective is that the steam waste heat that utilizes hydrolysis process process to discharge carries out heat exchange by heat exchanger and produces heated dry air, then utilize heated dry air to take the steam be hydrolyzed in hydrolysis process tank in the middle of material out of; Also comprise the conveyer being arranged on hydrolysis process tank side, the top discharging opening of conveyer is connected with the top charging aperture of hydrolysis process tank by herringbone tripper, air-actuated feeding valve successively, also comprise the spray scrubber that is arranged on spray side, quick-fried off-load storehouse, wherein;
Spray scrubber is tubular structure, is provided with a condenser at the top of tower of spray scrubber, and cross sectional shape, the size of condenser are consistent with the cross section of spray scrubber; Condenser be one with water inlet pipe and drainpipe and fill circulating water box-type container and between its Shang Ding and lower top seam have about many penetrating breather pipes; A blower cover is installed in the top of the cool condenser of tower top of spray scrubber, is also connected with this root blast pipe of a blast pipe and is connected with an exhaust chimney by an air-introduced machine above blower cover.On the tower top of spray scrubber and sidewall, multilayer atomizing spray tap is housed, atomizing spray tap is connected with the spray liquid preparing pool being arranged on side at the bottom of spray scrubber tower by cleaning solution carrier pipe and spray liquid delivery pump, the sidewall of spray scrubber offers multiple bleed hole, and bleed hole is stretched in the quick-fried off-load storehouse of spray, spray washing tower bottom also comprises in a return pipe access spray liquid preparing pool;
Hydrolysis process tank comprises tank body, upper cover, low head and air inlet pipe, the upper end of upper cover is provided with charging aperture, the lower end of low head is discharging opening, charging aperture place is provided with the output that air-actuated feeding valve connects herringbone tripper, discharge outlet connects pneumatic blow-off valve by drainage conduit, tank body lower end sidewall offers air inlet, air inlet pipe stretches into tank interior by air inlet, air inlet pipe is communicated with at least one air inlet endless tube, air inlet endless tube is successively set on low head from top to bottom near discharge outlet, air inlet endless tube is descending setting from top to bottom, connected by communicating pipe between each air inlet endless tube, upper cover upper end also offers exhaust outlet, and exhaust ports is provided with air bleeding valve,
Off-load spray wharf explosion comprises warehouse, drainage conduit, horizontal striker plate, Long Liao mechanism, longitudinal conveyer, horizontal conveyer and elevator, drainage conduit runs through warehouse one side side wall lower ends and arranges, horizontal striker plate is arranged on warehouse away from the sidewall of drainage conduit one end, longitudinal conveyer is arranged on below horizontal striker plate, the feed direction of longitudinal conveyer points to drainage conduit direction, horizontal conveyer is mutually vertical with the feed direction of longitudinal conveyer, horizontal conveyer is arranged on below longitudinal conveyer front end, horizontal conveyer runs through warehouse sidewall away from the other end of longitudinal conveyer and is connected with elevator,
Long Liao mechanism comprises motor and flitch is held together in two pieces of vertical revolutions, revolution holds together flitch between horizontal striker plate and longitudinal conveyer, the axisymmetrical that flitch longitudinally conveyer is held together in two pieces of revolutions is arranged, it is hinged by hinge that flitch one end and warehouse are held together in revolution, and the output shaft of motor passes through Chain conveyer (or wire rope gearing) and drives revolution to hold together flitch along hinge reciprocating rotation.
Technique effect: spray quick-fried off-load storehouse in the present invention and lead system by armored concrete and form, needs volume by 500-2000m according to treating capacity
3not etc., and the surge of 0.4-0.5Mpa can be born; The function of spraying quick-fried off-load storehouse mainly contain following some:
1. accept, unload, the spray of temporary reactor produces the material handled well come;
The steam pressure of 2. off-load hydrolysis process tank;
3. unload, accept, hold the steam of being discharged by hydrolysis process tank;
4. in storehouse stock guide (cement causes or steel plate seam manufacture forms) guiding under, warehouse rear portion can be focused on spraying by hydrolysis process tank the material produced, rely on flitch, hold together the acting in conjunction of material machine and conveyer, the material handled well is exported outside storehouse and carries out rear operation process;
Hot dry wind air accumulator is a kind of low pressure vessel (0.1-0.6Mpa), it is that (temperature is at 150-180 for the steam of discharging with hydrolysis process tank self
0c), realize heat exchange with the normal temperature air compressed by air compressor and produce xeothermic compressed-air actuated process equipment, and then generating temperature at 120-150
0the xeothermic compressed air of about C.
The technical scheme that the present invention limits further is:
Further, changing food waste harmless resource utilization device more than aforesaid kitchen, tank body is tubular, and tank interior is provided with level detector near the place at top.
Changing food waste harmless resource utilization device more than aforesaid kitchen, the sidewall of tank body offers blowdown oilhole near tank body middle and lower part, and blowdown oilhole is communicated with blowdown fuel tap; Upper cover and low head are dome head or low head is conical end socket; Upper cover upper end is also provided with Pressure gauge and thermometer; Low head offers limber hole near discharge outlet, and limber hole is communicated with blowdown water valve.
Changing food waste harmless resource utilization device more than aforesaid kitchen, the bottom of warehouse near the side of hinge higher than the side near drainage conduit; The bottom of warehouse offers the sewage collecting ditch with horizontal conveyer axis being parallel near the side of drainage conduit; The bottom of warehouse offers a T-shaped foundation ditch, and T-shaped foundation ditch width is greater than the width of longitudinal conveyer and horizontal conveyer, and longitudinal conveyer and horizontal conveyer are arranged in T-shaped foundation ditch.
Changing food waste harmless resource utilization device more than aforesaid kitchen, receiving hopper is provided with in T-shaped foundation ditch below horizontal striker plate, the discharging opening of receiving hopper lower end is positioned at above horizontal conveyer, and longitudinal conveyer extend into the top of receiving hopper near horizontal conveyer one end.
Changing food waste harmless resource utilization device more than aforesaid kitchen, warehouse offers door near drainage conduit place.
Changing food waste harmless resource utilization device more than aforesaid kitchen, faces upward and is 5-15 ° with horizontal plane angle in drainage conduit discharge direction.
Changing food waste harmless resource utilization device more than aforesaid kitchen, it is contour that wharf explosion is sprayed in the height of spray scrubber and off-load, and diameter can be 1.5-3.0m; Condenser can be multi-segment structure.
Changing food waste harmless resource utilization device more than aforesaid kitchen, is also provided with water separator and muffler in spray liquid preparing pool; Water separator: can, the scientific disposal of the gas based on steam of being discharged by hydrolytic process through facilities such as condenser, water adsorbent equipment and spray scrubbers, the moisture in be vented body be shunted out, recycling; Muffler (also claiming sound absorber): be the tail gas that the exhaust outlet by hydrolytic reaction pot is discharged through hot dry wind air accumulator, the spray liquid preparing pool that one is built in spray washing tower bottom is imported with pipeline, be used for eliminating the noise that exhaust process sends and the portion of water of adsorbing in Exhaust Gas, then at the spray washing through spray scrubber, condensation dehydration process, then enters chimney through air-introduced machine the gas after process.
The present invention have also been devised the treatment process of changing food waste harmless resource utilization device more than a kind of kitchen, comprises following concrete steps:
before start, air-actuated feeding valve and the pneumatic blow-off valve of hydrolysis process tank charging and discharging mouth are all in beyond open mode, and all the other each valves are all in closed condition;
The herringbone tripper of conveyer exit position is in the position to first canned material of hydrolysis process;
start first hydrolysis process tank, subsequently:
A: start to feed in hydrolysis process tank, when material is filled to 1/10 position of tank volume, open air intake valve, utilize hot dry wind air accumulator slowly to blast xeothermic compressed air towards reactor, object is got through in material and forms uniform air flue, prevents from processing rear appearance " raw material " phenomenon;
B: when material is filled to the 85-90% position of hydrolysis process tank volume, the air-actuated feeding valve closing of First hydrolysis process tank, air intake valve keeps opening, but xeothermic compressed air valve is closed stopping and being blasted hot dry wind, opening steam valve utilizes steam boiler slowly to blast high steam to hydrolysis process tank, enter boosting heating process, be specially:
One section: normal pressure rises to about 0.5 or 0.6Mpa, and temperature rises to 120 by normal temperature
o during about c, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.2 or 0.3Mpa by 0.6Mpa, when temperature is about down to about 60-80 DEG C, drain tap is closed, air intake valve is opened;
Two sections: air inlet boosting heats up again: pressure rises to 0.6 or 0.8Mpa by 0.2 or 0.3Mpa, when temperature about rises to about 150 DEG C, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.5 or 0.6Mpa by 0.8Mpa, when temperature is about down to 100 or 110 DEG C by 150 DEG C, drain tap is closed, air intake valve is opened;
Three sections: continue air inlet boosting and heat up: pressure rises to 0.9 or 0.95Mpa by 0.6Mpa, when temperature about rises to 185 DEG C; Air intake valve is closed, and system enters the pressure-maintaining and heat-preservation stage;
C: carry out pressure-maintaining and heat-preservation, process is about 1-1.5 hour;
D: exhaust pressure reduction: after pressure-maintaining and heat-preservation process terminates, open drain tap and transfer exhaust pressure reduction to, when Pressure Drop is to below 0.4Mpa, open the blowdown water valve under hydrolysis process tank tank, in blowdown vessel, condensation hydrolyzate is to Sewage Disposal, until Pressure Drop, to normal pressure, till obvious outwards exhaust outlet, closes blowdown water valve in tank;
E: the dehydration of hydrolysis material: the operating pressure of hydrolysis process tank is down to close to after " normal pressure ", close sewer valve, open intake valve, start in tank, inject xeothermic compressed air, injection length about controls at 30-40 minute, makes humidity of materials reduce to below 25-30%;
F: discharging process with pressure: discharging process with pressure is exactly after dehydration work step completes, close air bleeding valve, after continuing to inject xeothermic compressed air to 0.3-0.4Mpa pressure, close all valves of hydrolysis process tank, open pneumatic blow-off valve, with pressure material sprayed quick-fried in the quick-fried off-load storehouse of spray, then by holding together materials device and material is discharged outside storehouse by feeding device acting in conjunction;
Under the effect of air-introduced machine, spray in quick-fried off-load storehouse containing steam, dust and gas with foreign flavor are inhaled into spray scrubber, and flow from bottom to top, spray liquid in spray liquid configured pool is under the effect of spray liquid delivery pump, spray washing liquid is sucked cleaning solution carrier pipe, spray from top to bottom after being atomized shower faucet atomization, spray the steam in quick-fried off-load storehouse, neutralization reaction and adsorption reaction will occur when in tower, top-bottom cross meets for dust and gas with foreign flavor, and (spray washing liquid is alkalescence, and the discharge of hydrolysis process tank is faintly acid gas), neutralize the acidity in gas, smell, most of moisture is wherein fallen in absorption,
Gas after spray washing process is discharged to space by blast pipe, and the large drop that neutralization reaction post crystallization becomes falls into the bottom of tower, or is pressed at the bottom of tower by the spray sprayed from top to bottom, enters in spray liquid preparing pool after collecting by return pipe; Be current water in spray scrubber overhead condenser water tank, the water in the gas that during work, spray washing is crossed and condenser carries out air water heat exchange, and then makes the water vapour in be vented body be condensed into condensed water, and then and gas phase separation.
The treatment process of changing food waste harmless resource utilization device more than aforesaid kitchen, if step F discharge is unclean, then repeats 1-2 time;
During the canned 85-90% position to hydrolysis process tank volume of First hydrolysis process, the stock guide in the herringbone tripper of conveyer discharge outlet starts to swing to opposite side to second canned material of hydrolysis process, by that analogy;
In charging process, along with the continuous increase air intake valve opening of bed depth also increases gradually.
The present invention is compared with prior art:
The present invention can be become thoroughly decomposed rapidly degraded (2-3 hour) to rubbish from cooking and changing food waste; Under high pressure, high-temperature steam effect, the harmless treatment thoroughly of rapid exterminating bacterium can be carried out to above-mentioned two kinds of rubbish; Under the effect of high temperature and high pressure steam, all insect pests, virus, germ have not existed, and two kinds of rubbish are by harmless treatment up hill and dale;
The present invention thoroughly can separate the inorganic matter be mingled in the middle of two kinds of rubbish with organic matter, so this technology is in industry also referred to as " heat choosing "; Its principle is: under high-temperature high-pressure craft state, all organic wastes are all become thoroughly decomposed degraded, macromolecular chain is broken into Small molecular chain, in the process of discharge with pressure (spraying quick-fried), can be fractured into Powdered under these effects of being pressed in self by the organic matter become thoroughly decomposed, and the inorganic matter be mingled in wherein, owing to being not enough to make it change physicochemical property and geometry state under this process conditions, still former state is discharged, be beneficial to the sorting (as screening) of downstream process to organic-inorganic thing with regard to pole like this, organic and inorganic matter are thoroughly separated;
Owing to there being the process of exhaust with pressure and sewer in technical process, within the water content of organic materials can be made to be down to 25-30%, reach certain dried material object;
Under the effect of high temperature and high pressure steam, the moisture in material, sump oil and material can be made to separate more up hill and dale.Under the effect of high temperature and high pressure steam, greasy dirt in organic materials will be swum in the surface of hydrolyzate in tank by diluting, as long as in material containing sump oil quantitative determination accurate, then a blowdown oil pipe is opened in the appropriate location on tank wall, just by outside sump oil drain tank, thoroughly can be separated with sewage with organic materials by drain cock valve; The sewer valve at the bottom of tank is opened again, emptying manufacturability sewage (also claiming hydrolyzate) after emptying sump oil.
In hydrolytic process, the salinity in material is sufficiently solubilized, be diluted in the middle of hydrolyzate, then with outside hydrolyzate drain tank, greatly reduces the moisture in the middle of hydrolysis organic matter.Just because of there is above-mentioned advantage, so this process successfully can process changing food waste;
The present invention passivation, containing, flocculation, stripping can be mingled in free state heavy metal in organic waste; With the addition of a kind of under high-temperature acidic medium in the processing procedure of hydrolysis process tank, can react with free state heavy metal, and then passivation, containing, flocculation, stripping heavy metal, make flocculence heavy metal can flow in the middle of hydrolyzate along with condensed water, in the process of discharge hydrolyzate, most free state heavy metal is discharged hydrolysis process tank, and follow-up in the treatment process of hydrolyzate, carry out physics and chemistry process thoroughly, peel off heavy metal up hill and dale;
The present invention with the addition of a kind of catalyst in the charging process of hydrolysis process tank, and its effect is: the degraded of becoming thoroughly decomposed 1. accelerating organic waste; 2. promote the conversion of humic acid, monose, polysaccharide, improve organic quality; This technology just because of hydrolysis process technique, there is the incomparable technical advantage of other technology above-mentioned, so can be widely applied in the middle of the processing item to innoxious, the resource of the organic wastes such as the eutrophication pollutant of house refuse, changing food waste, agricultural waste, rivers and lakes;
Spray scrubber in the present invention:
1. the vaporific cleaning solution (or partially dried powder) of Multi-layer sprinkling from top to bottom in spray scrubber, under the effect of spurting droplet, spray to the gas based on water vapour attracted by the quick-fried off-load storehouse of spray flowed from bottom to top, adsorb wherein most moisture form larger water droplet and fall at the bottom of tower in this process, be purified process recycling in follow-up water treatment operation;
2. because the quick-fried cleaning solution of spray of configuration belongs to alkaline solution (or half dry type alkaline mixt), and the discharge of hydrolysis process tank is the steam gas (based on humic acid) with certain acidity and acidic smell (pH value is: between 3.5-5.5), so meet in opposite directions in spray scrubber, in mutual adsorption process, produce neutralization reaction crystallization is the bottom that large drop falls into tower, or pressed at the bottom of tower by the spray sprayed from top to bottom, collect outside rear discharge tower and processed by sewage disposal system;
3. due to hydrolysis process tank become thoroughly decomposed organic waste process in can produce and rise some gas with foreign flavor, be organicly in addition heated to 160-180 in anoxic
0during more than C temperature can there is carbonization phenomenon and produce a kind of nontoxic smell (taste is as caf) in partial material, also can be disposed by washing in the process of spray washing.So no matter be the vented gasses such as steam, dust, acidic materials, peculiar smell produced in hydrolysis process process, all can be eliminated in the technical process of spray washing process, making that Exhaust Gas is nontoxic can qualified discharge.
Accompanying drawing explanation
The top view of changing food waste harmless resource utilization device more than the kitchen of Fig. 1 designed by the present invention;
Fig. 2 is the sectional view of A-A line in Fig. 1;
Fig. 3 is the sectional view of B-B line in Fig. 1;
Fig. 4 is the structure chart of hydrolysis process tank in the present invention;
Wherein: 1-hydrolysis process tank, 101-charging aperture, 102-upper cover, 103-level detector, 104-blowdown fuel tap, 105-air inlet endless tube, 106-communicating pipe, 107-intake valve, 108-air inlet pipe, 109-air bleeding valve, 110-blowdown water valve, 2-conveyer, 3-hot dry wind air accumulator, 4-drainage conduit, 5-sprays quick-fried off-load storehouse, 501-drainage conduit, 502-warehouse, 503-door, the horizontal conveyer of 504-, 505-elevator, 506-T type foundation ditch, 507-Long Liao mechanism, flitch is held together in 507a-revolution, 507b-motor, 507c-rotating shaft, 507d-hinge, the longitudinal conveyer of 508-, the horizontal striker plate of 509-, 510-receiving hopper, 511-sewage collecting ditch, the pneumatic blow-off valve of 6-, 7-air-actuated feeding valve, 8-herringbone tripper, 9-spray scrubber, 901-condensing cover, 902-condenser, 903-water inlet pipe, 904-condensate pipe, 905-drainpipe, 906-atomizing spray tap, 907-blast pipe, 908-cleaning solution carrier pipe, 909-bleed hole, 910-return pipe, 10-spray liquid preparing pool, 101-spray liquid delivery pump.
Detailed description of the invention
embodiment 1
Structure as shown in Figures 1 to 4, changing food waste hydrolysis process device more than a kind of kitchen that the present embodiment provides, comprise more than one or two hydrolysis process tank 1 and the discharging opening of hydrolysis process tank 1 by pneumatic blow-off valve 6 with spray quick-fried off-load storehouse 5 conducting be connected, also comprise hot dry wind air accumulator 3, the input of hot dry wind air accumulator 3 is connected with the top exhaust outlet of hydrolysis process tank 1 by air bleeding valve 109; Also comprise the conveyer 2 be arranged on hydrolysis process tank 1 limit, the top discharging opening of conveyer 2 is connected with the top charging aperture 101 of hydrolysis process tank 1 by herringbone tripper 8, air-actuated feeding valve 7 successively;
Hydrolysis process tank 1 comprises tank body, upper cover 102, low head and air inlet pipe, the upper end of upper cover 102 is provided with charging aperture 101, the lower end of low head is discharging opening, charging aperture 101 place is provided with the output that air-actuated feeding valve 7 connects herringbone tripper 8, discharge outlet connects pneumatic blow-off valve 6 by drainage conduit 4, tank body lower end sidewall offers air inlet, air inlet pipe 108 stretches into tank interior by intake valve 107, air inlet pipe connects 108 and is connected with at least one air inlet endless tube 105, air inlet endless tube 105 is successively set on low head from top to bottom near discharge outlet, air inlet endless tube 105 is descending setting from top to bottom, connected by communicating pipe 106 between each air inlet endless tube 105, upper cover 102 upper end also offers exhaust outlet, and exhaust ports is provided with air bleeding valve 109,
Off-load spray wharf explosion 5 comprises warehouse 502, drainage conduit 501, horizontal striker plate 509, Long Liao mechanism 507, longitudinal conveyer 508, horizontal conveyer 504 and elevator 505, drainage conduit 501 runs through warehouse 502 one side side wall lower ends and arranges, horizontal striker plate 509 is arranged on warehouse 502 away from the sidewall of drainage conduit 501 one end, longitudinal conveyer is arranged on below horizontal striker plate, the feed direction of longitudinal conveyer points to drainage conduit direction, horizontal conveyer 504 is mutually vertical with the feed direction of longitudinal conveyer 508, horizontal conveyer 504 is arranged on below longitudinal conveyer 508 front end, horizontal conveyer 504 runs through warehouse 502 sidewall away from the other end of longitudinal conveyer 508 and is connected with elevator 505,
Long Liao mechanism 507 comprises motor 507b and two piece of vertical revolution and holds together flitch 507a, revolution holds together flitch 507a between horizontal striker plate 509 and longitudinal conveyer 508, the axisymmetrical that flitch 507a longitudinally conveyer 508 is held together in two pieces of revolutions is arranged, it is hinged by hinge 507d that flitch 507a one end and warehouse 502 are held together in revolution, and the output shaft of motor holds together flitch 507a along hinge 507d reciprocating rotation by Chain conveyer drive revolution;
Tank body is tubular, and tank interior is provided with level detector 103 near the place at top; The sidewall of tank body offers blowdown oilhole near tank body middle and lower part, and blowdown oilhole is communicated with blowdown fuel tap 104; It also can be conical end socket that upper cover and low head can be dome head, low head; Upper cover upper end is also provided with Pressure gauge and thermometer; Low head offers limber hole near discharge outlet, and limber hole is communicated with blowdown water valve 110;
The bottom of warehouse 502 near the side of hinge 507d higher than the side near drainage conduit 501; The bottom of warehouse 502 offers the sewage collecting ditch 511 with horizontal conveyer 504 axis being parallel near the side of drainage conduit 501; The postmedian of the bottom of warehouse 502 offers T-shaped foundation ditch 506, and T-shaped foundation ditch 506 width is greater than the width of longitudinal conveyer 508 and horizontal conveyer 504, and longitudinal conveyer 508 and horizontal conveyer 504 to be arranged in T-shaped foundation ditch 506;
Be provided with receiving hopper 510 in T-shaped foundation ditch 506 below horizontal striker plate 509, the discharging opening of receiving hopper 510 lower end is positioned at above horizontal conveyer 504, and longitudinal conveyer 508 stretches into the top of receiving hopper 510 near horizontal conveyer 504 one end; Warehouse 502 offers door 503 near drainage conduit 501 place; Face upward and be 5-15 ° with horizontal plane angle in drainage conduit 501 discharge direction; Spraying quick-fried off-load storehouse is lead system by armored concrete to form, volume position 500-2000m
3, can bear the surge of 0.4-0.5Mpa, the pressure of hot dry wind air accumulator bears as 0.1-0.6Mpa.
The treatment process of the present embodiment comprises following concrete steps:
before start, the air-actuated feeding valve of hydrolysis process tank charging aperture is in beyond open mode, and all the other each valves are all in closed condition;
The herringbone tripper of conveyer exit position is in the position to first canned material of hydrolysis process;
start first hydrolysis process tank, subsequently:
A: start to feed in hydrolysis process tank, when material is filled to 1/10 position of tank volume, open air intake valve, hot dry wind air accumulator is utilized slowly to blast xeothermic compressed air towards reactor, its objective is and allow hot dry wind take away a part of cryogenic gas, and in material, form air flue unobstructed up and down;
B: when material is filled to the 85-90% position of hydrolysis process tank volume, the air-actuated feeding valve closing of First hydrolysis process tank, air intake valve keeps opening, but xeothermic compressed air stops blasting, utilizing steam boiler slowly to blast high steam to hydrolysis process tank, enter boosting heating process, be specially:
One section: normal pressure rises to about 0.5 or 0.6Mpa, and temperature rises to 120 by normal temperature
o during about c, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.2 or 0.3Mpa by 0.6Mpa, when temperature is about down to about 60-80 DEG C, drain tap is closed, air intake valve is opened;
Two sections: air inlet boosting heats up again: pressure rises to 0.6 or 0.8Mpa by 0.2 or 0.3Mpa, when temperature about rises to about 150 DEG C, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.5 or 0.6Mpa by 0.8Mpa, when temperature is about down to 100 or 110 DEG C by 150 DEG C, drain tap is closed, air intake valve is opened;
Three sections: continue air inlet boosting and heat up: pressure rises to 0.9 or 0.95Mpa by 0.6Mpa, when temperature about rises to 185 DEG C; Air intake valve is closed, and system enters the pressure-maintaining and heat-preservation stage;
C: carry out pressure-maintaining and heat-preservation, process is about 1-1.5 hour;
D: exhaust pressure reduction: after pressure-maintaining and heat-preservation process terminates, open drain tap and transfer exhaust pressure reduction to, when Pressure Drop is to below 0.4Mpa, open the blowdown water valve under hydrolysis process tank tank, in blowdown vessel, condensation hydrolyzate is to Sewage Disposal, until Pressure Drop, to normal pressure, till obvious outwards exhaust outlet, closes blowdown water valve in tank;
E: the dehydration of hydrolysis material: the operating pressure of hydrolysis process tank is down to close to after " normal pressure ", close sewer valve, open intake valve and hot dry wind valve, start in tank, inject xeothermic compressed air, injection length about controls at 30-40 minute, makes humidity of materials reduce to below 25-30%;
F: discharging process with pressure: discharging process with pressure is exactly after dehydration work step completes, close air bleeding valve, after continuing to inject xeothermic compressed air to 0.3-0.4Mpa pressure, close all valves of hydrolysis process tank, open pneumatic blow-off valve, material is sprayed quick-fried in the quick-fried off-load storehouse of spray with pressure, then by feeding device, material is discharged outside storehouse;
Under the effect of air-introduced machine, spray in quick-fried off-load storehouse containing steam, dust and gas with foreign flavor are inhaled into spray scrubber, and flow from bottom to top, spray liquid in spray liquid configured pool is under the effect of spray liquid delivery pump, spray washing liquid is sucked cleaning solution carrier pipe, spray from top to bottom after being atomized shower faucet atomization, spray the steam in quick-fried off-load storehouse, neutralization reaction and adsorption reaction will occur when in tower, top-bottom cross meets for dust and gas with foreign flavor, and (spray washing liquid is alkalescence, and the discharge of hydrolysis process tank is faintly acid gas), neutralize the acidity in gas, smell, most of moisture is wherein fallen in absorption,
Gas after spray washing process is discharged to space by blast pipe, and the large drop that neutralization reaction post crystallization becomes falls into the bottom of tower, or is pressed at the bottom of tower by the spray sprayed from top to bottom, by return pipe access spray liquid preparing pool after collecting; Water body in spray scrubber evaporator overhead condenser water tank is circulating water, and the water in the gas that during work, spray washing is crossed and condenser carries out air water heat exchange, and then makes the water vapour in be vented body be condensed into condensed water, and then and gas phase separation;
If step F discharge is unclean, then repeats 1-2 time;
During the canned 85-90% position to hydrolysis process tank volume of First hydrolysis process, the stock guide in the herringbone tripper of conveyer discharge outlet swings to opposite side, starts to second canned material of hydrolysis process, by that analogy;
In charging process, along with the continuous increase air intake valve opening of bed depth also increases gradually, object is the impulse force increasing air-flow, makes to form unobstructed air flue in material, in case half-cooked phenomenon appears in material.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (11)
1. changing food waste harmless resource utilization device more than a kitchen, it is characterized in that, device is made up of more than 1 or one hydrolysis process tank (1), more than two during the combination of hydrolysis process tank, above the feeding mouth of each hydrolysis process tank, a component glassware is provided with to each hydrolysis process tank to distribute material; And the discharging opening of described hydrolysis process tank (1) is connected with the conducting of spray quick-fried off-load storehouse (5) by pneumatic blow-off valve (6), also comprise hot dry wind air accumulator (3), the input of described hot dry wind air accumulator (3) is connected with the top exhaust outlet of hydrolysis process tank (1) by air bleeding valve (109), the high-temperature steam discharged during the off-load of hydrolysis process tank realizes heat exchange, after making the compressed air preheating in the chamber of tank body by group coil pipe of in air accumulator with by the defeated next compressed air of air compressor in air accumulator; The gas outlet of described hot dry wind air accumulator is connected with the steam inlet duct of hydrolysis process tank by one group of valve; Also comprise the conveyer (2) being arranged on hydrolysis process tank (1) side, the top discharging opening of described conveyer (2) is connected with the top charging aperture (101) of hydrolysis process tank (1) by herringbone tripper (8) (not needing this tripper during separate unit hydrolysis process tank), air-actuated feeding valve (7) successively, also comprise one and be arranged on the spray scrubber (9) spraying quick-fried off-load storehouse (5) side, wherein;
Described spray scrubber (9) is tubular structure, at the top of tower of described spray scrubber (9) as condensing cover (901), and its inside is provided with a condenser (902) and air-introduced machine, cross sectional shape, the size of described condenser (902) are consistent with the cross section of spray scrubber (9), condenser (902) be one with water inlet pipe (903) and drainpipe (905) and fill circulating water box-type container and between its Shang Ding and lower top seam have about many penetrating condensate pipes (904), above the tower top of described spray scrubber (9), also conducting connects a blast pipe (907), on the tower top of described spray scrubber (9) and sidewall, multilayer atomizing spray tap (906) is housed, described atomizing spray tap (906) is connected with the spray liquid preparing pool (10) being arranged on side at the bottom of spray scrubber (9) tower by cleaning solution carrier pipe (908) and spray liquid delivery pump (101), the sidewall of described spray scrubber (9) offers multiple bleed hole (909), and described bleed hole (909) is stretched in the quick-fried off-load storehouse (5) of described spray, described spray scrubber (9) bottom also comprises in a return pipe (910) access spray liquid preparing pool (10),
Described hydrolysis process tank (1) comprises tank body, upper cover (102), low head and air inlet pipe, the upper end of described upper cover (102) is provided with charging aperture (101), the lower end of described low head is discharging opening, described charging aperture (101) place is provided with the output that air-actuated feeding valve (7) connects herringbone tripper (8), described discharge outlet connects pneumatic blow-off valve (6) by drainage conduit (4), described tank body lower end sidewall offers air inlet, described air inlet pipe (108) stretches into tank interior by intake valve (107), described air inlet pipe connects (108) and is connected with at least one air inlet endless tube (105), described air inlet endless tube (105) is successively set on low head from top to bottom near discharge outlet, the descending setting from top to bottom of described air inlet endless tube (105), connected by communicating pipe (106) between described each air inlet endless tube (105), described upper cover (102) upper end also offers exhaust outlet, and described exhaust ports is provided with air bleeding valve (109),
Described off-load spray wharf explosion (5) comprises warehouse (502), drainage conduit (501), horizontal striker plate (509), Long Liao mechanism (507), longitudinal conveyer (508), horizontal conveyer (504) and elevator (505), described drainage conduit (501) runs through the anterior side wall lower ends of described warehouse (502) and arranges, described horizontal striker plate (509) is arranged on warehouse (502) away from the sidewall of drainage conduit (501) one end, described longitudinal conveyer is arranged on below horizontal striker plate, the feed direction of described longitudinal conveyer points to described drainage conduit direction, described horizontal conveyer (504) is mutually vertical with the feed direction of described longitudinal conveyer (508), described horizontal conveyer (504) one end is arranged on below described longitudinal conveyer (508) front end, described horizontal conveyer (504) is run through described warehouse (502) sidewall away from the other end of described longitudinal conveyer (508) and is connected with described elevator (505),
Described Long Liao mechanism (507) comprises motor (507b) and flitch (507a) is held together in two pieces of vertical revolutions, described revolution is held together flitch (507a) and is positioned between described horizontal striker plate (509) and described longitudinal conveyer (508), described two pieces of revolutions are held together flitch (507a) and are arranged along the axisymmetrical of described longitudinal conveyer (508), flitch (507a) one end is held together in described revolution and described warehouse (502) is hinged by hinge (507d), the output shaft of described motor drives described revolution to hold together flitch (507a) along hinge (507d) reciprocating rotation by Chain conveyer or steel wire rope.
2. changing food waste harmless resource utilization device more than kitchen according to claim 1, is characterized in that: described tank body is tubular, and described tank interior is provided with level detector (103) near the place at top.
3. changing food waste harmless resource utilization device more than kitchen according to claim 2, is characterized in that: the sidewall of described tank body offers blowdown oilhole near tank body middle and lower part, and described blowdown oilhole is communicated with blowdown fuel tap (104); Described upper cover and low head are dome head; Described upper cover upper end is also provided with Pressure gauge and thermometer; Described low head offers limber hole near discharge outlet, and described limber hole is communicated with blowdown water valve (110).
4. changing food waste harmless resource utilization device more than kitchen according to claim 3, is characterized in that: the bottom of described warehouse (502) near the side of described hinge (507d) higher than the side near described drainage conduit (501); The ground below the side body of wall of described drainage conduit (501) offers the sewage collecting ditch (511) with described horizontal conveyer (504) axis being parallel for the bottom of described warehouse (502); What described longitudinal conveyer (508) and horizontal conveyer (504) were installed in the bottom of described warehouse (502) offers T-shaped foundation ditch (506) below ground, described T-shaped foundation ditch (506) width is greater than the width of described longitudinal conveyer (508) and horizontal conveyer (504), and described longitudinal conveyer (508) and horizontal conveyer (504) are arranged in described T-shaped foundation ditch (506).
5. changing food waste harmless resource utilization device more than kitchen according to claim 4, it is characterized in that: in the T-shaped foundation ditch (506) of described horizontal striker plate (509) below, be provided with receiving hopper (510), the discharging opening of described receiving hopper (510) lower end is positioned at described horizontal conveyer (504) top, and described longitudinal conveyer (508) stretches into the top of described receiving hopper (510) near described horizontal conveyer (504) one end.
6. changing food waste harmless resource utilization device more than kitchen according to claim 5, is characterized in that: described warehouse (502) offers door (503) near described drainage conduit (501) place.
7. changing food waste harmless resource utilization device more than kitchen according to claim 6, is characterized in that: face upward and be 5-15 ° with horizontal plane angle in described drainage conduit (501) discharge direction.
8. changing food waste harmless resource utilization device more than kitchen according to claim 7, is characterized in that, it is contour that wharf explosion (5) is sprayed in the height of described spray scrubber (9) and off-load, and diameter is 1.5-3.0m; Described condenser (902) is multi-segment structure.
9. changing food waste harmless resource utilization device more than kitchen according to claim 7, is characterized in that, is also provided with water separator and muffler in described spray liquid preparing pool (10).
10. technique when two hydrolysis process tanks according to claim 9 carry out the process of harmless treatment device to changing food waste pollutant more than kitchen, is characterized in that, comprise following concrete steps:
before start, air-actuated feeding valve and the pneumatic blow-off valve of hydrolysis process tank charging and discharging mouth are all in beyond open mode, and all the other each valves are all in closed condition;
The herringbone tripper of conveyer exit position is in the position to first canned material of hydrolysis process;
start first hydrolysis process tank, subsequently:
A: start to feed in hydrolysis process tank, when material is filled to 1/10 position of tank volume, open air intake valve, utilize hot dry wind air accumulator slowly to blast xeothermic compressed air towards reactor;
B: when material is filled to the 85-90% position of hydrolysis process tank volume, the air-actuated feeding valve closing of First hydrolysis process tank, air intake valve keeps opening, but xeothermic compressed air stops blasting, switch to and utilize steam boiler slowly to blast high steam to hydrolysis process tank, enter boosting heating process state, be specially:
One section: normal pressure rises to about 0.5 or 0.6Mpa, and temperature rises to 120 by normal temperature
oduring about c, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.2 or 0.3Mpa by 0.6Mpa, when temperature is about down to about 60-80 DEG C, drain tap is closed, air intake valve is opened;
Two sections: air inlet boosting heats up again: pressure rises to 0.6 or 0.8Mpa by 0.2 or 0.3Mpa, when temperature about rises to about 150 DEG C, air intake valve is closed, drain tap is opened;
Exhaust step-down: pressure is down to 0.5 or 0.6Mpa by 0.8Mpa, when temperature is about down to 100 or 110 DEG C by 150 DEG C, drain tap is closed, air intake valve is opened;
Three sections: continue air inlet boosting and heat up: pressure rises to 0.9 or 0.95Mpa by 0.6Mpa, when temperature about rises to 185 DEG C; Air intake valve is closed, and system enters the pressure-maintaining and heat-preservation stage;
C: carry out pressure-maintaining and heat-preservation, process is about 1-1.5 hour;
D: exhaust pressure reduction: after pressure-maintaining and heat-preservation process terminates, open drain tap and transfer exhaust pressure reduction to, when Pressure Drop is to below 0.4Mpa, open the blowdown water valve under hydrolysis process tank tank, in blowdown vessel, condensation hydrolyzate is to Sewage Disposal, until Pressure Drop, to normal pressure, till obvious outwards exhaust outlet, closes blowdown water valve in tank;
E: the dehydration of hydrolysis material: the operating pressure of hydrolysis process tank is down to close to after " normal pressure ", close sewer valve, open intake valve (now steam valve is still in closed condition, air bleeding valve is still in open mode), start to inject xeothermic compressed air in tank, it is made to take steam in the middle of material out of, injection length about controls at 30-40 minute, till making humidity of materials reduce to below 25-30%;
F: discharging process with pressure: described discharging process with pressure is exactly after dehydration work step completes, close air bleeding valve, after continuing to inject xeothermic compressed air to 0.3-0.4Mpa pressure, close all valves of hydrolysis process tank, open pneumatic blow-off valve, material is sprayed quick-fried in the quick-fried off-load storehouse of spray with pressure, then by feeding device, material is discharged outside storehouse;
Under the effect of air-introduced machine, spray in quick-fried off-load storehouse containing steam, dust and gas with foreign flavor are inhaled into spray scrubber, and flow from bottom to top, spray liquid in spray liquid configured pool is under the effect of spray liquid delivery pump, spray washing liquid is sucked cleaning solution carrier pipe, spray from top to bottom after being atomized shower faucet atomization, and with spray quick-fried off-load storehouse in steam, neutralization reaction and adsorption reaction will occur when in tower, top-bottom cross meets for dust and gas with foreign flavor, and (spray washing liquid is alkalescence, and the discharge of hydrolysis process tank is faintly acid gas), neutralize the acidity in gas, smell, most of moisture is wherein fallen in absorption,
Gas after spray washing process is discharged to space by blast pipe, and the large drop that neutralization reaction post crystallization becomes falls into the bottom of tower, or is pressed at the bottom of tower by the spray sprayed from top to bottom, turns back in spray liquid preparing pool after collecting by return pipe; Water body flow in spray scrubber overhead condenser water tank, the water in the gas that during work, spray washing is crossed and condenser carries out air water heat exchange, and then makes the water vapour in be vented body be condensed into condensed water, and then and gas phase separation.
More than 11. kitchens according to claim 10, the treatment process of changing food waste harmless resource utilization device, is characterized in that, if step F discharge is unclean, then repeats 1-2 time;
During the canned 85-90% position to hydrolysis process tank volume of First hydrolysis process, start to second canned material of hydrolysis process in the herringbone tripper of conveyer discharge outlet, by that analogy;
In charging process, along with the continuous increase air intake valve opening of bed depth also increases gradually.
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