CN209685697U - A kind of preparation system of the low concentration wood vinegar used for environmental protection - Google Patents
A kind of preparation system of the low concentration wood vinegar used for environmental protection Download PDFInfo
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- CN209685697U CN209685697U CN201822177221.2U CN201822177221U CN209685697U CN 209685697 U CN209685697 U CN 209685697U CN 201822177221 U CN201822177221 U CN 201822177221U CN 209685697 U CN209685697 U CN 209685697U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The utility model relates to wood vinegar fields, specifically disclose a kind of preparation system of low concentration wood vinegar used for environmental protection, comprising: feeding system, the feeding system convey garden wastes material；Extraction system, the extraction system are connected with the feeding system, and the material that feeding system conveys is carried out distillation processing, obtains pyrolysis gas；Cooling absorption system, the cooling absorption system are connected with the extraction system, carry out level Four spraying cooling absorption processing to pyrolysis gas, obtain wood vinegar crude product；Separation, impurity removal system, the separation, impurity removal system are connected with the cooling absorption system, wood vinegar crude product are carried out physical separation and removal of impurities, while supplying recirculated water to the cooling absorption system.Using level Four recirculated water spray-absorption technology easy to operate and liquid storage tank stratification the wood vinegar preparation section that replaces that existing investment is big, the device is complicated, wood vinegar reparation technology is simplified, equipment investment is reduced.
Description
Technical field
The utility model relates to wood vinegar preparation field more particularly to a kind of systems for being used to prepare wood vinegar.
Background technique
Wood vinegar is also plant acid, is the biomass such as timber derived steam gas mixture after destructive distillation in distillation apparatus
What is obtained after condensing and separating is in rufous or yellowish liquid, is a kind of mixture of complicated component.Studies have shown that wood vinegar
Interior organic principle is complicated, and mainly by substances such as organic acid, phenols and ketones, wherein organic acid is 50%-60%, mainly
Acetic acid, propionic acid etc.；Phenols is guaiacol, phenol etc.；Ketone is 1- hydroxyl -2- acetone etc..
Existing wood vinegar reparation technology mostly uses pyrolysis oven, retort or water cooling plant etc. under the conditions of 300-600 DEG C
It carries out one or more single mixed materials to biomass such as rice husk, corn bits, straws to be pyrolyzed, pyrolysis gas passes through multistage cold
Solidifying recycling, liquid -- the techniques such as liquid separation, purification obtain the higher wood vinegar of purity, and on this basis, according to industry need
It asks and carries out component separation, purification is suitable for agricultural, animal husbandry, food industry, the wood vinegar product in the directions such as health care；
This kind of wood vinegar typically belongs to high concentration, high-purity degree type, and equipment investment is big in industrialized production, complex process, technical requirements are high
The features such as.
Utility model content
Some embodiments of the utility model provides a kind of preparation system of low concentration wood vinegar used for environmental protection,
Include:
Feeding system, for conveying garden wastes material；
Extraction system, the extraction system are connected with the feeding system, and the material for conveying feeding system carries out
Distillation processing, obtains pyrolysis gas；
Cooling absorption system, the cooling absorption system are connected with the extraction system, for carrying out level Four to pyrolysis gas
Spraying cooling absorption processing, obtains wood vinegar crude product；
Separation, impurity removal system, the separation, impurity removal system are connected with the cooling absorption system, for slightly producing wood vinegar
Product carry out physical separation and removal of impurities, while supplying recirculated water to the cooling absorption system.
Further, extraction system includes anaerobic in low temperature combustion furnace or anaerobic in low temperature smoldering furnace.
The furnace roof of anaerobic in low temperature combustion furnace and anaerobic in low temperature smoldering furnace is provided with automatic spraying device, and stone or metal plate for standing a stove on as a precaution against fire can autonomous grate furnace
Slag.
Further, cooling absorption system includes:
The air inlet of first grade scrubber, first grade scrubber is connected with extraction system；
Secondary scrubber, the air inlet of secondary scrubber are connected with the gas outlet of first grade scrubber；
Three-level scrubbing tower, the air inlet of three-level scrubbing tower are connected with the gas outlet of secondary scrubber；
The air inlet of level Four scrubbing tower, level Four scrubbing tower is connected with the gas outlet of three-level scrubbing tower, level Four scrubbing tower
Gas outlet is connected with the separation, impurity removal system.
Further, the tower body of first grade scrubber, secondary scrubber, three-level scrubbing tower and level Four scrubbing tower is internally provided with
Tower body, is separated the space being connected at two bottom ends by partition, and the air inlet of single tower body and gas outlet are opened in two respectively
The top in space.
Further, cooling absorption system further includes water circulating pump；
The water inlet end of water circulating pump is connected with separation, impurity removal system, the water outlet of water circulating pump and first grade scrubber, two
Grade scrubbing tower, three-level scrubbing tower are connected with the water inlet of the tower top of level Four scrubbing tower, for supplying recirculated water.
Further, separation, impurity removal system includes liquid storage tank；
The water inlet end of water circulating pump is connected with liquid storage tank；It is inhaled by connection hose and tail gas the gas outlet of level Four scrubbing tower
It receives device to be connected, tail gas absorber connects with the liquid level in liquid storage tank.
According to above-mentioned each embodiment, the application has the advantages that and advantage:
1. big instead of existing investment using level Four recirculated water spray-absorption technology and liquid storage tank stratification easy to operate,
The wood vinegar preparation sections such as gas condensation collection, Liquid liquid Separation, the purification that the device is complicated, are absorbed by the circulated sprinkling of water
It is enriched with wood vinegar constantly and reaches required concentration, then realize stratification in circulation liquid pool, remove the impurity in product, greatly
Simplify wood vinegar reparation technology, reduce equipment investment.
2. wood vinegar extraction is carried out using anaerobic in low temperature combustion furnace or anaerobic in low temperature smoldering furnace, by controlling furnace flame
It generates, prevents organic principle oxidation in the substance generated, organic matter is discharged together with vapor with gas form, thus real
Now to the high efficiency extraction of effective component in plant material；
3. the autonomous grate furnace slag of stone or metal plate for standing a stove on as a precaution against fire after extracting in anaerobic in low temperature combustion furnace or anaerobic in low temperature smoldering furnace, clinker is again
Enter furnace to use as fuel, improves the utilization rate of raw material.
Detailed description of the invention
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is wood vinegar preparation system schematic diagram in the embodiment of the present application；
Fig. 2 is wood vinegar preparation method schematic diagram in the embodiment of the present application.
In figure: 1- distilling apparatus；2- air-introduced machine；3- first grade scrubber；4- secondary scrubber；5- three-level scrubbing tower；6- tetra-
Grade scrubbing tower；7- liquid storage tank；8- water circulating pump；9- connection hose；10- tail gas absorber.
Specific embodiment
In order to which the technical features, objects and effects to utility model are more clearly understood, Detailed description of the invention sheet is now compareed
The specific embodiment of utility model, identical label indicates identical part in the various figures.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.
To make simplified form, only schematically showing and the utility model relevant portion, and not generation in each figure
Its practical structures as product of table.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component, only symbolically depict one of those, or only marked one of those.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate significance level and sequence and
Existing premise etc. each other.
The preparation system of low concentration wood vinegar in the embodiment of the present application, as shown in Figure 1, comprising:
Feeding system conveys garden wastes material；
Extraction system, extraction system are connected with feeding system, and the material for conveying feeding system carries out distillation processing,
Obtain pyrolysis gas；
Cooling absorption system, cooling absorption system are connected with extraction system, for carrying out level Four spraying cooling to pyrolysis gas
Absorption processing, obtains wood vinegar crude product；
Separation, impurity removal system, separation, impurity removal system are connected with cooling absorption system, for wood vinegar crude product to be carried out object
Reason separation and removal of impurities, while recirculated water is supplied to cooling absorption system.
Material is thrown to extraction system by feeding system, and extraction system carries out distillation processing to material, and distillation is obtained
Pyrolysis gas is delivered to cooling absorption system, and the recirculated water from separation, impurity removal system carries out four to pyrolysis gas in cooling absorption system
Grade spraying cooling absorbs, and absorbs heel row again through the recirculated water in separation, impurity removal system by the pyrolysis gas of cooling absorption system discharge
Enter atmosphere, the recirculated water of cooling absorption system discharge enters separation, impurity removal system and carries out wood vinegar separation, obtains wood vinegar product.
Compared with existing preparation method, using garden wastes as raw material in embodiments herein, burnt with anaerobic in low temperature
Method produces wood vinegar product, and the biomass after pyrolysis is re-used as system fuel, it is only necessary to a small amount of additional combustion gas or electric power etc.
The energy, save the cost；Existing throwing is replaced using level Four recirculated water spray-absorption technology easy to operate and liquid storage tank stratification
The wood vinegar preparation sections such as money is big, the device is complicated gas condensation collection, Liquid liquid Separation, purification, are sprayed by the circulation of water
Leaching absorption is enriched with wood vinegar constantly and reaches required concentration, then realizes stratification in circulation liquid pool, removes miscellaneous in product
Matter greatly simplifies wood vinegar reparation technology, reduces equipment investment.
Specifically, feeding system includes feed bin, discharging machine and feed belt；Broken material is thrown to feed bin, later
Material is delivered to combustion furnace with feed belt by discharging machine intermittence, realizes intermittent charging.
Extraction system: extraction system is distilling apparatus 1 in embodiments herein, specifically can be anaerobic in low temperature combustion furnace
Or anaerobic in low temperature smoldering furnace.The top of distilling apparatus 1 is connected with air-introduced machine 2, by air-introduced machine 2 by distilling apparatus by distilling
The pyrolysis gas of generation leads to cooling absorption system.
Wood vinegar is carried out using anaerobic in low temperature combustion furnace or anaerobic in low temperature smoldering furnace in some embodiments of the present application to mention
It takes, is generated by control furnace flame, prevent organic principle oxidation in the substance generated, make organic matter with gas form with water
Steam is discharged together, to realize the high efficiency extraction to effective component in plant material；Furnace bottom combustion heat supplying, stone or metal plate for standing a stove on as a precaution against fire charge, furnace
Top setting automatic spraying device keeps flames of anger state in furnace, and extracting terminates the autonomous grate furnace slag of stone or metal plate for standing a stove on as a precaution against fire, and clinker enters furnace conduct again
Fuel uses.
Cooling absorption system: the cooling absorption system includes first grade scrubber 3, secondary scrubber in embodiments herein
4, three-level scrubbing tower 5 and level Four scrubbing tower 6.
The air inlet of first grade scrubber 3 is connected with distilling apparatus 1, the gas outlet of first grade scrubber 3 and secondary scrubber 4
Air inlet be connected, the gas outlet of secondary scrubber 4 is connected with the air inlet of three-level scrubbing tower 5, three-level scrubbing tower 5 go out
Port is connected with the air inlet of level Four scrubbing tower 6, and the air inlet of level Four scrubbing tower 6 is connected with separation, impurity removal system.
On the other hand, first grade scrubber 3 is connected by air-introduced machine 2 with distilling apparatus 1, from following for separation, impurity removal system
Ring water carries out sprinkler on hot solution air cooling and absorbs wherein water-soluble component, is collected, mentions to recirculated water in order to easier
The utilization rate of water-soluble component in high pyrolysis gas, optionally, first grade scrubber 3 are connected by waterline with secondary scrubber 4
Logical, so that recirculated water enters secondary scrubber 4 by first grade scrubber 3, and pyrolysis gas then enters second level from first grade scrubber 3 and washs
Tower 4 carries out second level spray, and pyrolysis gas passes sequentially through secondary scrubber 4, three-level scrubbing tower 5 and level Four scrubbing tower 6 and completes level Four spray
It drenching, the recirculated water in secondary scrubber 4 enters three-level scrubbing tower 5, and the recirculated water in three-level scrubbing tower 5 enters level Four scrubbing tower 6,
Recirculated water in level Four scrubbing tower 6 is entered in the liquid storage tank 7 of separation, impurity removal system by waterline, realizes the remittance of recirculated water
Collection.Or more preferably, the recirculated water in first grade scrubber 3, secondary scrubber 4, three-level scrubbing tower 5 and level Four scrubbing tower 6
Respectively summarize into liquid storage tank 7, reduces the pressure of scrubbing towers at different levels.
In order to improve the absorptivity of effective component in pyrolysis gas, the gas outlet of level Four scrubbing tower 6 passes through connection hose 9 and tail
Aspiration device 10 is connected, and tail gas absorber 10 connects with the liquid level in liquid storage tank 7, it is to be understood that distills the pyrolysis of generation
Gas passes sequentially through first grade scrubber 3, secondary scrubber 4, three-level scrubbing tower 5 and level Four scrubbing tower 6 and carries out level Four spray, level Four spray
Pyrolysis gas after leaching enters tail gas absorber 10 by connection hose 9, due to connection hose 9 can with free extension so that
Tail gas absorber 10 can float up and down, and guarantee connects with the liquid level in liquid storage tank 7 always, carry out the absorption of tail gas.Liquid storage tank 7
After interior recirculated water absorbs pyrolysis gas again, pyrolysis gas can be discharged directly into atmosphere.On the other hand, first grade scrubber 3, two
Recirculated water after grade scrubbing tower 4, three-level scrubbing tower 5 and level Four scrubbing tower 6 spray enters liquid storage tank 7, and the water in liquid storage tank 7 passes through
Water circulating pump 8 is delivered to first grade scrubber 3, secondary scrubber 4, three-level scrubbing tower 5 and level Four scrubbing tower 6 and is sprayed again,
Repeatedly the concentration of wood vinegar in recirculated water can be improved in spray.
Recirculated water level Four spray-absorption technique is used in embodiments herein, is realized effective to wood vinegar in pyrolysis gas
Cooling, condensation and the absorption of ingredient, compared with the condensation technology used by the existing high concentration wood vinegar the preparation method, party's legal system
The wood vinegar product obtained meets environmental protection industry (epi) deodorization, sterilization requirement, and at low cost.
More favorably, the single tower body interior separations of scrubbing tower at two bottom ends be connected space, single tower body into
Port and gas outlet are opened in the top in space respectively, and tower internal partition is submerged under circulation water level, can guarantee all gas in this way
Body just can enter next stage absorption tower all after absorbing liquid；Each tower body lower part is connected by pipeline, and pipeline location is higher than under partition
Edge 10cm-15cm guarantees in tower body that liquid level is higher than partition lower edge to realize the fluid-tights of partition two sides, when gas is from partition side
When flowing to the other side, gas comes into full contact with liquid, improves the absorption efficiency of gas.
The effective component of wood vinegar is including being acids, phenols, ketone compounds and alcohol compound, additionally containing certain
The microelement of amount.Under anaerobism heating condition, organic matter, water and other materials in biomass are escaped in a gaseous form, are followed
Ring water spray is to pyrolysis air cooling and absorbs wherein water-soluble component, and final collect obtains the wooden vinegar containing tar and other impurities
Since absorbing liquid is recycled, thus the concentration of crude pyroligneous acid can be improved in liquid crude product, and the water insoluble component in pyrolysis gas
The substances such as flue dust and tar mainly in pyrolysis gas, are entered in recirculated water in the form of impurity, enter subsequent point with recirculated water
From impurity removed system.
Cooling absorption system further includes water circulating pump 8, and separation, impurity removal system includes liquid storage tank 7.The water inlet end of water circulating pump 8
It is connected with liquid storage tank 7, the water outlet of water circulating pump 8 and first grade scrubber 3, secondary scrubber 4, three-level scrubbing tower 5 and level Four
The water inlet of the tower top of scrubbing tower 6 is connected, for supplying recirculated water.
It is understood that being absorbed by spraying cooling, the flue dust, tar and wood vinegar effective component in pyrolysis gas enter
Water phase imports liquid storage tank 7, after standing 10-15 days in liquid storage tank 7, due to the incompatibility between density variation and substance, and thick wood
Tar and wood vinegar solution in vinegar liquid realize natural layering.The density of dust and blended tars is less than water, thus floats on most
Upper layer, the non-aqueous ingredient based on tar can be used as system fuel and put into combustion furnace again to be used as fuel, and lower layer is wood
Vinegar liquid, the as recirculated water when concentration is unsatisfactory for requiring, for the cooling pyrolysis gas of circulated sprinkling, when wood vinegar concentration is met the requirements
When yellow or Brownstock wood vinegar and tar can be obtained by physical method for separation.
The preparation method of low concentration wood vinegar in the embodiment of the present application is as shown in Fig. 2, include the following steps:
S100, by garden wastes, such as wet basis aromatics plant (such as wormwood, pine tree and camphortree bark) and non-aromatic class plant
(such as willow and poplar) forms mixture and is uniformly mixed by broken；More preferred, broken partial size is 200mm
Below.
S200, mixture enter distilling apparatus 1 through feeding system and carry out distillation processing using the method for anaerobic in low temperature burning；
Under conditions of 300-400 DEG C, moisture and the gasification volatilization of various organic principles in material form pyrolysis gas, draw with furnace roof blower
Out；The charcoal that distillation generates is used as the fuel of anaerobic in low temperature combustion furnace and anaerobic in low temperature smoldering furnace.
Specifically, distilling apparatus 1 is anaerobic in low temperature combustion furnace or anaerobic in low temperature smoldering furnace, furnace bottom combustion heat supplying, stone or metal plate for standing a stove on as a precaution against fire
Charge, furnace roof setting automatic spraying device spray material, so that keeping flames of anger state in furnace, distillation, which is extracted, terminates furnace
The autonomous grate furnace slag of disk, clinker enter furnace again and use as fuel, keep furnace bottom burning.
It can be utilized again in the application by the clinker that distillation obtains, improve the comprehensive utilization ratio of discarded plant, saved
The about consumption of other energy.
S300, pyrolysis gas enter cooling absorption system, absorb through level Four recirculated water spraying cooling, and wood vinegar reaches in recirculated water
To a certain concentration (25%-35%), collection obtains wood vinegar crude product, if wood vinegar concentration is not up to 25%-35%, repeats
Carry out step S300；
In the cooling absorption process of pyrolysis gas, conventional method is the direct condensation of pyrolysis gas, for producing high concentration
Wood vinegar, cooling suction effectively can be carried out to effective component in pyrolysis gas using the absorption of level Four spraying cooling in the application
It is attached, improve the utilization rate of effective component in pyrolysis gas.
It is wooden to obtain pure faint yellow or brown by separation removal upper layer tar and impurity for S400, wood vinegar crude product
Vinegar liquid product, wood vinegar concentration are 25%-35%.And pyrolysis gas can reach discharge standard, directly after the absorption of liquid storage tank 7
Run in and be put into atmosphere, tar can be used as anaerobic in low temperature combustion furnace and the fuel of anaerobic in low temperature smoldering furnace uses, and realize resource
Rationally utilize.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, and not to limit the protection scope of the utility model, it is all without departing from made by the utility model skill spirit etc.
Effect embodiment or change should be included within the scope of protection of this utility model such as the combination, segmentation or repetition of feature.
Claims (7)
1. a kind of preparation system of the low concentration wood vinegar used for environmental protection characterized by comprising
Feeding system, the feeding system convey garden wastes material；
Extraction system, the extraction system are connected with the feeding system, and the material that feeding system conveys is carried out distillation processing,
Obtain pyrolysis gas；
Cooling absorption system, the cooling absorption system are connected with the extraction system, carry out level Four spraying cooling to pyrolysis gas
Absorption processing, obtains wood vinegar crude product；
Separation, impurity removal system, the separation, impurity removal system are connected with the cooling absorption system, and wood vinegar crude product is carried out object
Reason separation and removal of impurities, while recirculated water is supplied to the cooling absorption system.
2. the preparation system of low concentration wood vinegar according to claim 1, which is characterized in that the extraction system includes low
Warm anaerobism combustion furnace or anaerobic in low temperature smoldering furnace.
3. the preparation system of low concentration wood vinegar according to claim 2, which is characterized in that the anaerobic in low temperature combustion furnace
The furnace roof of the anaerobic in low temperature smoldering furnace is provided with automatic spraying device, stone or metal plate for standing a stove on as a precaution against fire can autonomous grate furnace slag.
4. the preparation system of low concentration wood vinegar according to claim 3, which is characterized in that the cooling absorption system packet
It includes:
The air inlet of first grade scrubber (3), the first grade scrubber (3) is connected with the extraction system；
The air inlet of secondary scrubber (4), the secondary scrubber (4) is connected with the gas outlet of the first grade scrubber (3)；
The air inlet of three-level scrubbing tower (5), the three-level scrubbing tower (5) is connected with the gas outlet of the secondary scrubber (4)；
Level Four scrubbing tower (6), the air inlet of the level Four scrubbing tower (6) are connected with the gas outlet of the three-level scrubbing tower (5),
The gas outlet of the level Four scrubbing tower (6) is connected with the separation, impurity removal system.
5. the preparation system of low concentration wood vinegar according to claim 4, which is characterized in that the first grade scrubber (3),
The tower body of secondary scrubber (4), three-level scrubbing tower (5) and level Four scrubbing tower (6) is internally provided with partition, and tower body is separated at two
The space that a bottom end is connected, the air inlet of single tower body and gas outlet are opened in the top of two spaces respectively.
6. the preparation system of low concentration wood vinegar according to claim 4 or 5, which is characterized in that the cooling absorption system
System further includes water circulating pump (8)；
The water inlet end of the water circulating pump (8) is connected with the separation, impurity removal system, the water outlet of the water circulating pump (8) with
The first grade scrubber (3), secondary scrubber (4), three-level scrubbing tower (5) and level Four scrubbing tower (6) tower top water inlet phase
Connection, for supplying recirculated water.
7. the preparation system of low concentration wood vinegar according to claim 6, which is characterized in that the separation, impurity removal system packet
Include liquid storage tank (7)；
The water inlet end of the water circulating pump (8) is connected with the liquid storage tank (7)；The outlet of the level Four scrubbing tower (6)
Mouth is connected by connecting hose (9) with tail gas absorber (10), the liquid in the tail gas absorber (10) and the liquid storage tank (7)
Face connects.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628126A (en) * | 2018-12-24 | 2019-04-16 | 北京生态岛科技有限责任公司 | A kind of preparation system and method for the low concentration wood vinegar used for environmental protection |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628126A (en) * | 2018-12-24 | 2019-04-16 | 北京生态岛科技有限责任公司 | A kind of preparation system and method for the low concentration wood vinegar used for environmental protection |
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