CN102311913A

CN102311913A - Regenerated green energy anaerobic digestion tower

Info

Publication number: CN102311913A
Application number: CN2010102187601A
Authority: CN
Inventors: 朱永彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-07
Filing date: 2010-07-07
Publication date: 2012-01-11

Abstract

The invention relates to a regenerated green energy anaerobic digestion tower, which is a tower with the outer edge of 28 meters, the height of 60 meters and the story height of 12 meters. A spatial three-dimensional geometry structure is utilized to fully exert the advantages required for flora growth and reproduction. With a mechanized and automatic production process, the biogas output and the production efficiency are greatly improved. Large scale production is available, so the rapid development of social productive forces is promoted, and social wealth is increased.

Description

Green can the disappearing of regenerating detested tower

One, technical field:

The technological improvement of working method and innovation, the production of biogas and use.

Two, background technology

According to Jinyang light engineering of Central Plains peasant press-agricultural synthesis technology series " biogas construction with utilize 300 ask "; New forms of energy book series " biogas practical technique guide " with reference to the publication of Henan science tech publishing house; Through long term studies and exploration, the production technology of this energy is reformed and innovation.On existing production technology basis, the content that develops skill impels biogas output and quality to improve greatly.Moreover, also can reduce greenhouse gas emission, purify air, improve and the protection environment.

Three, content

Green can the disappearing of regenerating detested the brief introduction of tower

1. tower body is taked positive hexagonal prism shape (see figure 1), and about about 3.5 meters-12 meters of every floor height can be provided with several layers.Each disappears and detests the unit (seeing Fig. 2, Fig. 7) that device all is an independent sealing.

Tower body is inner, is positive six a prismatic space, 2 meters of the length of sides.This space is provided with the gas production tubing system, and elevator up/down perforation (see figure 9) is installed.

The lowest layer of tower (lower section in depth), high about 2 meters.This layer one side is as the personnel's Vomitory on the elevator in the tower, and do him in addition and uses at idle place.

2. disappear and detest the tower outside, each disappears and detests the ear chamber that device all has a balcony shape, and about 10.5 meters * 5 meters of area also can be confirmed according to demand in practice.The interior installation about the elevator.This balcony be called the ear chamber (see Fig. 1, Fig. 3, Fig. 4, Fig. 5).The function of each ear chamber is different, also has points of resemblance.Their effect mainly is the sampling check, is provided with to observe sky, and the installation and transportation pipeline, high-pressure hydraulic pump outer circulation etc., and hermatic door is set.Sealing when hermatic door is produced, the personnel of need get into internal overhaul, open during the cleaning waste residue.HPP is to disappear to detest the power producer of natural pond liquid pump around circuit in the device.HPP pump case, pump line, impeller, blade are used flexible, and the aspect that contacts with natural pond liquid is wrapped up in acid and alkali-resistance plastics envelope.During use natural pond liquid is extracted out from the bottom, be back in the pond shape through inner top

8. detest the body temperature of tower in order to keep disappearing, inside and outside the whole body of the tower, all exposed parts and air contact position all will be provided with the lagging material insulation, prevent that heat is too lost in the tower body, reduce natural pond liquid temp in the tower, cause the underproduction.

Tower gos deep into subterranean part, and skin can't wrap up insulation, has only thermal insulation layer is installed internally, and the waterproof layer sealing is set then, can not make natural pond liquid infiltrate thermal insulation layer.

9. in this tower body, natural pond liquid temp Monitoring systems can be set, the imagine infra-red Monitoring systems.

Four. description of drawings

Fig. 1-Figure 12 is that green can the disappearing of regeneration detested the synoptic diagram of tower, the part that some is very little, and chi is drawn in proportion, in description of drawings, makes detail and describes.Main part is basically all drawn in proportion.In order to make this figure can know expression, it is 28 meters that this tower is depicted as the outer length of side in proportion, and height is 60 meters, and floor height is that 12 meters disappear detested tower.Below specify:

1. Fig. 1, from outside watch disappearing and detest tower figure, disappear and detest the tower stereographic map.

2. Fig. 2, the internal structure synoptic diagram that disappears and detest tower.The outer length of side is 28 meters a hexagon, and the inside length is 2 meters hexagon relatively, and height is 60 meters, and floor height is 12 meters.

3. Fig. 3 is feed, the drainage synoptic diagram that single aspect disappears and detests tower.Feed liquid disappears through each and detests device bottom surface pipeline, and sending into disappears detests in the device.Through this system, also can feed liquid be disappeared to detest in the device from this and discharge.Convenient when draining in order to make, disappear detest device at the bottom of the center, establish a recess (promptly among the figure shown in the circular hole).In the pipeline that is attached thereto, device is acid and alkali-resistance plastic cement pipe, and this pipe is connected with external pipe.A B C D E F is six ear chambers, and different tubing systems are placed in the inside.C F two Room are settled and are drained, and feed liquid system pipeline is also laid other mechanical means simultaneously.

Pipeline chi not in scale is drawn among the figure.

4. Fig. 4 is each insulation of detesting device of disappearing, heats figure.Disappear at each and to detest device bottom, a space layer is arranged, relative closure, floor height are about 0.5 meter.The centre of these upper and lower surfaces, space has many bodies of wall to be connected, and bears the pressure of bottom jointly.Scatterer is laid in the inside, lays small sheave on each scatterer, and convenient the propelling pulled out (electricradiator also can be placed in the inside).Heating system is placed in two ear chambers of A D, the scatterer not drawn on scale among the figure.Burn the chamber, burner is laid in each bottom surface, combustion chamber, and the top is provided with many jet pipes, and the ratio in 1 to 10 sprays into biogas and air.Each jet pipe only sprays a kind of gas, prevents that mishap from taking place.

Vision slit will be established in the combustion chamber, the appropriate design smoke-uptake, guarantees the smooth and easy circulation of flue gas, reduces room pressure, and the accident that prevents takes place.Space segment in the combustion chamber is not only the combustion zone, also is to lay the vaporize water area under control, and it is laid mode and uses coal fired power generation the same with water flow mode and modern times.But the water pipe multilayer is arranged.

Space segment outside the combustion chamber is people's recreation room, air feed district.

Figure b, the burner synoptic diagram.Biogas and air are taken their own roads in burner inside, and ratio is that 1 to 10, two kinds of gases are to firing level mixed firing.

Figure c, the floor map of firing level.Biogas and oxygen overflow in different zones, and in the mixed firing of firing level intersection, area is 0.2 * 0.2 square metre.

Figure d is one deck vaporization water pipe near firing level, and a face is towards burner, and width is about 0.18 meter, and the transverse section is trapezoidal.Can fully absorb heat energy like this.

Burner is row and arranges in the combustion chamber, and line-spacing is decided according to need of production practice.

12. Figure 12 is a cooling tower, solution can decide according to the use of this liquid in its tower, can be the natural pond liquid clear liquor that is cooled, also the pure water of purification or non-purification.With the high-temp waste gas cooling of discharging in the combustion chamber.Can multistagely cool off.Hot water can supply vaporizing tube to use, and also can be used for producing natural pond liquid, and supplying disappears detests the use of tower production biogas.Tortuous cigarette road pipeline should adopt copper or aluminium manufacturing in the tower.

13. Fig. 1-Figure 12, owing to be synoptic diagram, draw certain error is arranged (annotate: the size of the green ability of this regeneration tower, can confirm according to actual needs that this figure is just a kind of).

Five, embodiment

(1), green can the disappearing of regeneration detested the tower Production Flow Chart

1. with fibrous materials such as agricultural crop straws, pulverize.The raw material of pulverizing is carried out the stack retting pre-treatment.As take thermophilic fermentation,, temperature can transfer in 46 ℃ of-60 ℃ of scopes.In 10 ℃ of-60 ℃ of scopes, general temperature is high more, and microbial activities is vigorous more, produces the natural pond and measures high more.

6. each disappears and detests in the device in the tower, and suitable potential of hydrogen arranged.The growth of biogas micropopulation, breeding requires the potential of hydrogen of fermentation raw material to keep neutral, or the mikrobe meta-alkalescence.Peracid is crossed alkali all can influence the natural pond amount of producing.Mensuration shows, but equal aerogenesis when the pH value is 6-8, and pH value is measured the highest in the product natural pond during for 6.5-7.5.

If organic acid accumulates in a large number, fermented feed liquid is the phenomenon of meta-acid too.At this moment, can extract the part feed liquid out, add the equivalent inoculum, organic acid is converted into methane.Perhaps add an amount of plant ash clear liquor or lime clear liquor through pipeline, in and organic acid, make potential of hydrogen recover normal.Test potential of hydrogen in the routine work, can natural pond liquid in the device be taken out check through the liquid outlet of anaerobic device exterior setting.

7. disappear and detest in the tower each and disappear and detest in the device, but accelerated fermentation processes promotes organic substance to decompose and the material that improves output is referred to as additive, or claim catalyzer.The kind of additive is more, comprises some enzymes, inorganic salts, organism and other inorganicss etc.For example, add a certain amount of cellulase, proteolytic enzyme, black molds etc. can play the effect that acceleransstoff decomposes.Add micro-potassium, sodium, calcium, magnesium elements, can increase the activity of organized enzyme, strengthen enzymatic reaction.Add a small amount of active carbon powder, urea can improve carbon, nitrogen content, or feeding hydrogen can improve methane content etc.One of concrete grammar: two acid and alkali-resistance plastics hemisphere are tightened through spiral form a table tennis globular ball, its size determines according to practical situation.Urea is packed in the ball.Mould sphere and open the aperture of more than 30 pin thickness, in order to slow release.

8. the timing of detesting natural pond liquid in the device in order to disappear circulates, and this tower is with the use that cooperatively interacts of two kinds of methods.One of which, through the pump of ear chamber, (the middle first half is installed a baffle plate, with spaced in the pond, becomes two spaces to impel the interior natural pond liquid of device to circulate on a large scale.Natural pond liquid is from following extraction, and a plurality of pipelines from the top flow into two spaces that top separates respectively, constitutes two circulation systems up and down); Its two, through blowing biogas pipeline, biogas is blown in the pond, strengthen natural pond liquid circulation up and down.

Facts have proved that suitable agitating method and intensity can make fermentation raw material be evenly distributed, the enhancing mikrobe contacts with raw material, makes it to obtain the chance increase of nutritive substance, increased activity, and growth and breeding is vigorous, thereby improves the natural pond amount of producing.Stir and can smash crust again, improve utilization ratio of raw materials and effciency of energy transfer, and favourable

Bubble discharges.After adopting the stirring measure, mean yield can improve more than 30%.

9. calculate according to methane-generating pit device surface low amount in the actual life that the output that adopting disappears detests device should be about 1.5-3 cubic meter/cubic meter sky.

(2), use one generating of biogas

1. the filtration of biogas.The biogas of producing is removed impurity through filtration tank, sent into the high-pressure storage tower.As once filtration is unclean, but cascade filtration (see figure 10)

Clarifying liming is housed in the filtration tank.Top is intensive range of atomization (a plurality of fog nozzle cross spray by around the tower wall form, and hydrojet is the liming clear liquor).

2. biogas combustion chamber

The combustion chamber can the branch multilayer burning (see Figure 11. figure a).Every layer has two spaces, divided combustion chamber and recreation room.The combustion chamber is provided with a plurality of burning vision slits.The combustion chamber is built into by refractory brick, is thermofin behind the refractory brick.Exhaust gas flue rationally is set, in case combustion explosion in the combustion chamber.Recreation room supplies maintenance, supplies uses such as natural pond, oxygen supply.

Two aspects of combustion chamber, following one side is used for the install combustion device.Last one side is evenly installed a plurality of jetting oxygen tubes and spray natural pond pipe, and the spacing of pipe is decided according to demand in practice.Each the pipe should be different in size, natural pond, oxygen spray into the combustion chamber respectively in proportion in right amount, it is fully burnt and flame distribution even.Like this, the combustion chamber has just become sea of flame.

About 0.2 * 0.2 square metre of the combustion face of single burner is arranged (seeing Figure 11, figure b) by line-spacing.Firing level divides confession natural pond district and oxygen supply district, and natural pond oxygen is at the burning of firing level thorough mixing (seeing Figure 11, figure c).Natural pond oxygen arrives firing level from different approach in the burner, takes place to prevent mishap.

Vaporization water pipe transverse section is trapezoidal (seeing Figure 11, figure d), and a face is towards burner, and this pipe only is used in one deck of nearly burner.The vaporizing tube if multilayer is arranged, other is suitable with pipe.Distance between each vaporizing tube is decided according to demand in practice.

Biogas not only can generate electricity through burning, but also heat supply, heating etc.Facts have proved, make to fire full diesel motor into the methane fuelled engine generating, 0.75 cubic metre in general 1 kilowatt-hour consumption gas can supply 1 hour power consumption of 25 40 watts bulbs, if use

Raw material stack retting pre-treatment after the pulverizing, northern temperature is low, should adopt the mode stack retting of hole heap.Concrete grammar: at first stalk hand hay cutter is grown up about 3 centimetres (1 cuns), track tramping pile 30 centimetres (1 chis) thick about, sprinkle 2% liming clear liquor and also add 10% liquid dung (being the double centner stalk, 2 kilograms of liming clear liquors, 10 kilograms of liquid dungs).Method shop 3-4 layer covers with plastics film after heap is good like this, and stack retting just can be done fermentation raw material about 15 days.

South temperature is high, directly the stalk stack retting is got final product on the ground with aforesaid method.

With the pretreated stalk of stack retting, add ight soil such as a certain amount of purified horse, ox, sheep, further stack retting.Stack retting 3-5 days summer; Spring and autumn, stack retting was about 1 week, and winter is with reference to the indoor stack retting of heating of above-mentioned condition.Make the stack retting material temperature be elevated to the 40-50 degree, after color becomes Vandyke brown, add certain natural pond liquid and water, process fraction, send into to disappear to detest in the device through tubing system and digest.

2. start and produced about one month, every 5-10 days, all will in tower, replenish fresh feed.Additional principle generally is what what are mended, and remaining disappears detests the useful volume in the device.Generally speaking, turnover amount accounts for 5% of the total useful volume of Chi.

3. input inoculum.Throw in inoculum, generally press: inoculum: raw material: water=1: 2: 5.This is the ratio when detesting device and just having started of disappearing.

Methane fermentating microorganism all is from nature.And the core microbe colony of biogas fermentation is the methane flora, and all possess anaerobic condition and contain organic place and all can find.Mainly contain: methane-generating pit, the lake, the marsh, pond bottom is among the plash; Among animal excrement and the enteron aisle thereof; The slaughterhouse, brewery, the bean product field is among the cloaca mud such as non-staple food processing factory and among the artificial anaerobic digestion device.

4. raw material gets into to disappear and detests in the device, seals each ventilating pit.To disappear then and detest unnecessary air residual in the device and discharge, and each disappeared detest device and be in anaerobic state with vacuum fan.Favourable flora breeding improves biogas output.Because methanogen is a kind of Anaerobic Bacteria, in the vital movements such as their growth, growth, breeding, metabolism, do not need oxygen.Airborne oxygen can make its vital movement be suppressed, even dead.

5. disappear and detest that general biogas fermentative liquid concentration is that 6%-8% is advisable in the tower.Disappear and detest in the device leavening temperature and can mediate.

5. Fig. 5 blows biogas to impel regularly internal recycle and supply with alkaline liq and reconcile to disappear and detest the floor map of potential of hydrogen in the device, component a and figure b of natural pond liquid.Figure a is the tubing system through two ear chambers of B E, links to each other with the tracheae that is fixed on the bottom.A vertical tube (figure b) is laid in general every 4-9 square metre (place, hole that promptly schemes to manage among a), decides highly as required.There is a plastic cover movable up and down on the top of this pipe, claims the anti-return lid, prevents that the solids in the liquid of natural pond from precipitating blocking pipe in a large number.Pipeline not drawn on scale among the figure.

6. Fig. 6 is the tubing system plat, component a and figure b, and figure a is a pipeline, figure b is the opening-closing valve on the figure a.Because the restriction of drawing, height is different with the scale of width, and the thickness of pipeline does not have chi drafting in proportion, only signal yet.

Figure a is not only feed, and excretory piping system synoptic diagram also is that other are identical, the synoptic diagram of similar pipeline.

7. Fig. 7 is to disappear to detest the indoor front view of device stereographic map exterior wall ear.Indoor the disappearing of ear detested on the metope of device, has the natural pond liquid circulation pore that pump is installed, feeding discharging material liquid hole, sealing external door etc.How many circular hole sizes be decided according to the actual requirements with, and circular hole is drawn with door chi not in scale.

8. Fig. 8 is to disappear to detest the device stereographic map, interior wall (inner six prismatic spatial bodies of wall) front view.This metope is provided with the sealing inside door, sampling vision slit, gas production hole etc.Its size and how many individual can settings according to actual needs.The gas production hole is connected with pipeline and gas production tubing system, and is provided with opening-closing valve.The circular hole of this figure and door not drawn on scale.

9. Fig. 9, gas production piping diagram (part) disappears and detests the biogas that is produced in the device and be collected utilization through this pipeline.The thickness of this pipeline and valve size not drawn on scale.

10. Figure 10 is the cleaning tower.Detesting the biogas of gathering in the tower from disappearing, contain many impurity, mainly is materials such as sulfide; Simultaneously, because thermophilic fermentation, biogas contains a certain amount of moisture when in tower, flowing out.This tower all can be removed, purify.Major part is clarifying lime aqueous solution in this tower, and the wall at top is settled many nozzles, is the atomizing zone, further purifies.As once filtration is unclean, can pass through cascade filtration.

The pipeline of this figure and vision slit, hermatic door chi not in scale is drawn, and vision slit can use transparent glass.

11. Figure 11 is divided into four parts of figure a figure b figure c figure d.Figure a is the combustion chamber schematic cross-sectional view.Can the branch multilayer fire into internal recycle.

3. each disappears and detests the metope at place, the inner six rib spaces of device, and upper top is provided with vision slit, sampling test hole, gas production hole etc.Each adopts ring-type gas production pipeline that the hole, natural pond all is equipped with arm and this layer (see figure 9) that links to each other.This arm is equipped with valve.This metope is provided with hermatic door, closes during production, and residue in the cleaner, or open (see figure 8) during work such as maintenance, installation.This title disappears and detests the device back door, and a relative face wall has a sealing Qianmen.Two of front and back are opened airiness, printing opacity, convenient working simultaneously.

4. if need detest that device keeps in repair and wait work, natural pond liquid in the pond is drained earlier by the feeding discharging material pipeline to single disappearing.Opening then disappears detests device front and back door, lets surplus natural pond disperse.The people sends recrement into the recessed vacancy of discharge conduit with the hand propelled suction dredger after getting into, and is discharged outside the tower by Excretory system.After washing cleaning in the pond, can carry out operation.During deslagging, personnel can bear the oxygen cylinder operation.

5. for increasing body temperature in the tower, disappear at each and to detest the device bottom space layer is arranged, clear height is about 0.5 meter in the layer, and the inside is equipped with the well heater (see figure 4).For two natural pond liquid of detesting in the device that disappear up and down replenish temperature, temperature in the pond is remained in 46 ℃ of-60 ℃ of scopes.In order to make quick heating in the pond, this spatial two aspects up and down is thin as far as possible.For increasing bearing capacity, a plurality of tie-beam bodies of the middle uniform distribution of two aspects become one upper and lower surface up and down, common evenly bearing load.

Simultaneously, use scatterer made of copper, outside this scatterer, be coated with then and wrap up in one deck acid and alkali-resistance plastics, directly be installed in disappearing of Sheng natural pond liquid and detest on the device wall.Also can suitably install in case of necessity.In the practice, can wipe away the carrier of making heat with biogas, the energy of heat is being provided for scatterer.

Disappear detest the device pond at the bottom of, at interval about 2-3 rice, fixing a lot of acid and alkali-resistance plastics tubing (see figure 5), smooth with cement then, fix.Each pipe is interconnected, and with the indoor air feed of ear, confession alkaline water pipeline interlink (title bottom tube).Every foundation pipe is installed a vertical tube at interval about 2-3 rice, the vertical tube height is decided according to the actual requirements.The pipe top is pointed, on cover a removable cover, prevent that solids from refluxing, deposition, blocking pipe.

This system supplies to reconcile natural pond liquid potential of hydrogen, and blows the usefulness that biogas impels natural pond liquid internal recycle stream, and it is preheating biogas that biogas blows in institute, so that increase body temperature.

7. the metal products of each tubing system inside and outside wall and each pipe fitting, all and liquid contact position, natural pond all will be sealed and wrap up in the acid and alkali-resistance plastics.Biogas is directly lighted head light, can only supply 7 biogas lamp illuminations 1 hour.

Utilize marsh gas power generation, more can bring into play its use value, and its value utilitarian multiplication.

The waste gas of discharging from the combustion chamber is rich in a large amount of waste heats.Can supply to produce recycles (seeing Figure 12) such as natural pond liquid through cooling tower (can multistagely cool off) with residual heat collection.

The natural pond slag has multiple use.Mainly can be used for culturing various fishery products, becteriums product, earthworm, loach, yellow eel and other also can be used for producing green organic manure, supply the growth of vegetable melon and fruit and other farm crop to use.

Claims

1. green can the disappearing of regenerating detested tower, is to utilize the space multistory geometry, and give full play to and produce the required favourable condition of natural pond flora growth and breeding, and mechanize, the automated operation Production Flow Chart has improved biogas output and production efficiency greatly, is produced on a large scale;

(1) with the specification sheets is technical characterictic, adopts and the same or analogous space multistory geometry of this tower specification sheets, comprise cylinder, circular cone, round platform, prism, pyramid, terrace with edge; And produce biogas by the frame modes such as mutual combination of these solids, method,

(2) with the specification sheets be technical characterictic, use with scavenging tower same or similar marsh gas purifying mode, method.

2. green can the disappearing of regenerating detested tower with its advanced production technology and mode, and method is produced biogas, for improving the utilising efficiency of biogas, reduces environmental pollution, and available marsh gas power generation is industrial and agricultural production, service for life.Therefore: with the specification sheets is technical characterictic, identical or close with it mode, and method is suitable for marsh gas power generation, produces heat energy.