CN113857201B - Pipeline form vinasse integrated treatment system - Google Patents

Pipeline form vinasse integrated treatment system Download PDF

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Publication number
CN113857201B
CN113857201B CN202111019359.XA CN202111019359A CN113857201B CN 113857201 B CN113857201 B CN 113857201B CN 202111019359 A CN202111019359 A CN 202111019359A CN 113857201 B CN113857201 B CN 113857201B
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China
Prior art keywords
vinasse
liquid
treatment system
water
inlet
Prior art date
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Application number
CN202111019359.XA
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Chinese (zh)
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CN113857201A (en
Inventor
邹智挥
陈爽
崔学军
胡雪菲
杨涛
高晨
陈建
龚勇
邹加俊
陈治均
曲昌镭
涂廉婕
邹智元
王若尧
马正禄
葛非凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan University of Science and Engineering
Sichuan Zhirenfa Biological Technology Co Ltd
Sichuan Zhixiangyi Technology Co Ltd
Original Assignee
Sichuan University of Science and Engineering
Sichuan Zhirenfa Biological Technology Co Ltd
Sichuan Zhixiangyi Technology Co Ltd
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Application filed by Sichuan University of Science and Engineering, Sichuan Zhirenfa Biological Technology Co Ltd, Sichuan Zhixiangyi Technology Co Ltd filed Critical Sichuan University of Science and Engineering
Priority to CN202111019359.XA priority Critical patent/CN113857201B/en
Publication of CN113857201A publication Critical patent/CN113857201A/en
Priority to GB2407108.6A priority patent/GB2627137A/en
Priority to PCT/CN2022/093438 priority patent/WO2023029595A1/en
Priority to TW111132160A priority patent/TW202402417A/en
Priority to NL2032922A priority patent/NL2032922B1/en
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Publication of CN113857201B publication Critical patent/CN113857201B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
    • C05F5/006—Waste from chemical processing of material, e.g. diestillation, roasting, cooking
    • C05F5/008—Waste from biochemical processing of material, e.g. fermentation, breweries
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G31/02—Special apparatus therefor
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pest Control & Pesticides (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Food Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Fertilizers (AREA)
  • Centrifugal Separators (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Hydroponics (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

A pipeline-type distiller's grains comprehensive treatment system comprises a distiller's grains conveying system, a distiller's grains washing system, a distiller's grains liquid utilization and circulation system, and a distiller's grains cleaning treatment system; the vinasse conveying system comprises a feeder and an inclined conveyor belt; the inlet and the outlet of the inclined conveyor belt are respectively arranged at the outlet of the feeder and the inlet of the centrifugal washing equipment; the vinasse washing system comprises centrifugal washing equipment and a plurality of cascaded heavy-object spiral blade solid-liquid separation equipment; the heavy material spiral blade solid-liquid separation equipment is provided with a spiral blade separator, a high-pressure water spray port and a liquid discharge valve connected with a vinasse liquid conveying pipe; the washed lees treatment system comprises a belt filter press, a dryer and a crushing grinder. The invention adopts an automatic assembly line mode to carry out assembly line washing treatment on the vinasse, then carries out filter pressing, drying, crushing and grinding, packaging and storing on the vinasse, and the product can be stored for a long time, thereby improving the utilization value of the vinasse.

Description

Pipeline form vinasse integrated treatment system
Technical Field
The invention belongs to the technical field of environmental protection, relates to vinasse treatment equipment, and in particular relates to a vinasse comprehensive treatment system in a pipeline form.
Background
The distillers ' grains are residues left after the grains are subjected to brewing fermentation coarse filtration, and are also attached with distillers ' waste liquid, wherein the distillers ' waste liquid is high-concentration organic waste liquid with certain consistency. The distiller's grains contain rich proteins and ribose, and also contain various microelements, vitamins and various bacterial colonies. Because of the complex components of the distillers 'grains, the distillers' grains have high water content and can be spoiled and deteriorated if not treated in time. At present, the comprehensive utilization modes of the main stream of vinasse mainly comprise three main types: extracting valuable substances, carrying out anaerobic fermentation to recycle methane, and using the methane as livestock feed.
The method for comprehensively utilizing the vinasse is used for extracting related substances to create maximum regeneration value for the vinasse, but the process is complex, and the extracted vinasse slag also causes serious pollution to the environment. The biogas recovery method causes an endless waste of a large amount of high-quality resources. The distillers ' grains are directly used as the feed in the practical application, and the high-concentration organic waste liquid attached to the distillers ' grains has a certain pollution and can cause the distillers ' grains to go moldy in a short time and can not be stored for a long time. The annual yield of the distilled grain in China is about tens of millions of tons, the distilled grain is a solid waste which needs to be treated in time, a pipeline treatment mode with high comprehensive economic benefit is lacked in the existing method, and the pollution to the environment caused in the process and after the treatment is avoided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses a pipeline type vinasse comprehensive treatment system.
The invention relates to a wine lees comprehensive treatment system in a pipeline form, which comprises a wine lees conveying system, a wine lees washing system and a wine lees cleaning treatment system;
The vinasse conveying system comprises a feeder and an inclined conveyor belt; the inlet of the feeder is flush with the upper table surface of the stillage stacking platform for stacking stillage; the inlet and the outlet of the inclined conveyor belt are respectively arranged at the outlet of the feeder and the inlet of the centrifugal washing equipment;
The vinasse washing system comprises centrifugal washing equipment and a plurality of cascaded heavy-object spiral blade solid-liquid separation equipment; the heavy material spiral blade solid-liquid separation equipment is provided with a spiral blade separator, a high-pressure water spray port and a liquid discharge valve connected with a vinasse liquid conveying pipe; the washed lees treatment system comprises a belt filter press, a dryer and a crushing grinder.
Preferably, the system also comprises a vinasse liquid utilization and circulation system, wherein the vinasse liquid utilization and circulation system comprises a vinasse liquid temporary storage pool connected with the vinasse liquid conveying pipe and a hydroponic field connected with the vinasse liquid temporary storage pool; the Shui Peitian water outlet is connected with a water pump and is connected with a dry farmland and a circulating water temporary storage pool through the water pump, and the circulating water temporary storage pool is connected with a high-pressure water spray port of the heavy material spiral blade solid-liquid separation equipment and a water inlet of the centrifugal washing equipment through a pipeline.
Preferably, the upper layer of the hydroponic field is a foam plate, the lower layer is a planting pool, planting holes for planting plants are uniformly arranged on the foam plate, and a planting net immersed in the lower layer planting pool is arranged in the planting holes; the planting pool is connected with the vinasse liquid temporary storage pool.
Preferably, the temporary storage tank for the vinasse liquid is provided with an aeration blower, and a plurality of overflow channels connected with the hydroponic field are arranged on the side wall above the temporary storage tank for the vinasse liquid.
Preferably, the Shui Peitian water outlet is provided with a pH value monitoring device and a controller connected with the pH value monitoring device, and the controller is also connected with the water pump in a control manner.
Preferably, the vinasse liquid temporary storage tank is provided with an adder.
Preferably, the heavy matter helical blade solid-liquid separation equipment comprises an inlet tank, the inlet tank is provided with an ascending discharging channel with a semicircular section, a helical blade separator is arranged in the ascending discharging channel, the tail end of the ascending discharging channel is provided with a discharging hole, and the bottom of the inlet tank is provided with a liquid discharge valve.
Preferably, an inclined gradient groove is arranged below the discharge hole, and a plurality of linear grooves are arranged on the inclined gradient groove.
Preferably, the side wall of the inlet pool is provided with an overflow port, and a filter screen is arranged on the overflow port; the overflow port is higher than the ground level of the treatment system.
Preferably, the high-pressure water spraying port of the last stage in the plurality of cascaded heavy-object spiral blade solid-liquid separation equipment is connected with a tap water pipe network.
Compared with the prior art, the pipeline type vinasse comprehensive treatment system has the following beneficial effects:
The invention adopts an automatic assembly line high-efficiency mode to treat the vinasse, carries out assembly line washing treatment on the vinasse, then carries out filter pressing, drying, crushing grinding, packaging and storing on the vinasse, can store products for a long time, improves the utilization value of the vinasse after treatment, and solves the problem that the vinasse is easy to rot and deteriorate.
The solid waste finally obtained by the method can be stored for a long time because the fermented product and impurities are brewed by cleaning, can be used as raw materials and fillers of biodegradable materials, and can be applied to various fields to effectively change waste into valuable.
Thirdly, as a lot of fermentation products of the dried vinasse liquid can enter the vinasse, the dried vinasse liquid is more difficult to release in the subsequent washing process and is more difficult to clean. The invention washes the distillers' grains before being dried, thereby reducing the washing difficulty.
Fourthly, because the grain size of the vinasse powder after crushing and grinding is more similar to that of vinasse mud and vinasse sand, the vinasse powder and the vinasse mud are more difficult to separate, and are easy to mix with water to form slurry, so that solid-liquid separation is more difficult. The invention washes the distillers' grains before crushing and grinding, can greatly improve the cleaning efficiency,
The invention applies the vinasse liquid generated in the cleaning process as a liquid fertilizer to agricultural planting, and realizes the maximum utilization of the residual value of the vinasse while solving the problem of environmental pollution.
The method combines the treatment of the vinasse with the agricultural production, selectively conveys the nutrient components in the vinasse liquid between the hydroponic crops and the dry field crops by taking the concentration of the organic matters as a judgment index, ensures the normal growth of different crops and can fully utilize the vinasse liquid.
And seventh, the distilled grain liquid after being absorbed and purified by crops is recycled, so that the distilled grain treatment is finished and the waste of water resources is reduced.
The equipment and the system are distributed by utilizing the high-low level difference, so that the waste liquid is conveyed in an energy-saving way in the processing system, and the effects of different process requirements and local conditions can be achieved through various layout modes of the equipment.
Drawings
FIG. 1 is a schematic illustration of a specific flow chart of the present invention in operation;
FIG. 2 is a schematic diagram of an embodiment of a whole stillage treatment system according to the present invention;
FIG. 3 is a schematic view of still another embodiment of the whole stillage treatment system according to the present invention;
FIG. 4 is a schematic view of an embodiment of the heavy matter spiral vane solid-liquid separation device of the present invention;
FIG. 5 is a schematic diagram of a system for utilizing and recycling a liquid waste according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of one embodiment Shui Peitian of the present invention;
The main labels in the drawings are: 1-feeder, 2-inclined conveyor belt, 3-centrifugal washing equipment, 4-heavy matter helical blade solid-liquid separation equipment, 41-overflow port, 42-drain valve, 43-discharge port, 44-overflow port bit line, 5-inclined gradient tank, 51-high pressure water jet port, 6-vinasse liquid temporary storage pool, 61-overflow channel, 7-aeration blower, 8-Shui Peitian, 81-foam board, 82-planting pool, 83-planting hole, 9-crops, 10-vinasse piling platform and 11-treatment system ground.
Detailed Description
The following describes the present invention in further detail.
The present invention will be described in further detail with reference to the following specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent, but it should not be construed that the scope of the above subject matter of the present invention is limited to only the following examples. Various substitutions and alterations are made by those skilled in the art without departing from the spirit and scope of the invention.
The invention relates to a wine lees comprehensive treatment system in a pipeline form, which comprises a wine lees conveying system, a wine lees washing system and a wine lees cleaning treatment system;
The vinasse conveying system comprises a feeder 1 and an inclined conveyor belt 2; the inlet of the feeder is flush with the upper table surface of the stillage stacking platform 10 for stacking stillage, so that the stillage can be conveniently fed into the feeder; the inlet and the outlet of the inclined conveyor belt 2 are respectively arranged at the outlet of the feeder and the inlet of the centrifugal washing equipment 3;
As shown in fig. 2, the distillers ' grains enter from the top opening of the feeder, a semi-basement can be arranged below the ground where the distillers ' grains stacking platform is located, the feeder and the inclined conveyor belt are arranged in the semi-basement, the upper end of the feeder is flush with the upper table surface of the distillers ' grains stacking platform for stacking the distillers ' grains, and the distillers ' grains stacking platform for temporarily stacking the distillers ' grains which are not processed in fig. 2 is in the same plane with the ground 11 of the processing system, so that the distillers ' grains can be fed conveniently. The ground 11 of the treatment system is a vinasse comprehensive treatment system in the form of a pipeline and a water level height difference indicating line comprising a vinasse liquid utilization and circulation system, and the overflow port position line 44 can facilitate the transportation of the vinasse liquid in the whole system and is also more beneficial to the layout of a hydroponic field in the vinasse liquid utilization and circulation system.
As shown in fig. 3, the assembly line can be arranged on the ground 11 of the processing system, the feeder and the dreg stacking platform 10 are arranged on the ground 11 higher than the ground 11 of the processing system, the lower end of the outlet of the feeder is a feeding port of the centrifugal washing equipment, and the assembly line equipment is simplified according to the actual condition of a workshop.
The inclined conveyor belt 2 sends the vinasse into the vinasse washing system, and the vinasse washing system comprises a centrifugal washing device 3 and a plurality of cascaded heavy spiral blade solid-liquid separation devices 4, wherein the number of the vinasse is generally between 2 and 4 according to the process requirements of different vinasses or final products; the number of heavy material helical blade solid-liquid separation devices is changed as shown in fig. 2 and 3, respectively; the heavy material spiral blade solid-liquid separation device is provided with a spiral blade separator, a high-pressure water jet 51 and a liquid discharge valve 42 connected with a vinasse liquid conveying pipe.
The centrifugal washing equipment is internally provided with a water inlet and a rotating blade, and the rotating blade rotates at a high speed to drive water and distillers 'grains to centrifugally collide, so that soluble starch, protein, soluble organic matters and various bacterial colonies in the distillers' grains are washed out.
In washing, the ratio of the distillers grains volume feeding speed to the water inlet volume speed in the centrifugal washing equipment can be set to be 1: and 4, the dynamic balance of the mixed liquid in the centrifugal washing equipment is realized by adjusting the feeding speed and the water inlet flow rate to be matched with the discharging speed of the mixed liquid at the discharging port. The method is characterized in that the distilled grain is washed before being dried, crushed and ground, so that a plurality of fermented matters in distilled grain liquid can be prevented from entering the distilled grain, and the distilled grain is favorable for filtering water, so that the cleaning efficiency and the cleaning degree are greatly improved.
The heavy material spiral blade solid-liquid separation equipment removes moisture from wet vinasse through a spiral blade separator, and the wet vinasse is washed again by utilizing a high-pressure water jet to remove soluble organic matters in the vinasse, and the washed vinasse is subjected to pressure filtration through a belt filter press, drying by a dryer and crushing by a crushing grinder to obtain a dried vinasse solidified substance.
An embodiment of the heavy matter helical blade solid-liquid separation device 4 is shown in fig. 4, and comprises an inlet tank, wherein the inlet tank is provided with an ascending discharge channel with a semicircular section, a helical blade separator is arranged in the ascending discharge channel, a discharge hole is arranged at the tail end of the ascending discharge channel, and the bottom of the inlet tank is provided with a liquid discharge valve.
The mixture of the vinasse and the water in the centrifugal washing equipment enters an inlet pool of the heavy material spiral blade solid-liquid separation equipment, a rotating spiral of the spiral blade separator is upward along an ascending discharging channel, a large amount of water sediment drops in the inlet pool in the process of feeding the mixture of the vinasse and the water upwards, and a solid-liquid mixture with less water is obtained at the top end of the spiral blade separator; the vinasse can be fully washed and most of water can be removed through a plurality of cascaded heavy matter helical blade solid-liquid separation devices.
In the embodiment shown in fig. 4, an overflow port 41 is arranged on the side wall of the upper part of each inlet tank, and the overflow port 41 can be connected with a vinasse liquid conveying pipe through a pipeline to prevent the liquid level in the inlet tank from being too high and collect vinasse liquid after the vinasse is cleaned. A filter screen is arranged on the overflow port 41 to prevent the vinasse from flowing out; the overflow outlet bitline is above the level of the treatment system floor 11, as shown in fig. 2 and 3, which will facilitate the energy-efficient input of the spent grain liquor into the spent grain liquor temporary storage pool through the spent grain liquor transfer pipe by gravitational potential energy.
The filtered distiller's grains enter the inclined gradient groove 5 arranged at the rear through the discharge port 43 of the solid-liquid separation device with the heavy material helical blades, and a plurality of linear grooves are arranged on the inclined gradient groove, so that the water flow sprayed by the high-pressure water spray port is fully contacted with the distiller's grains, and the cleaning degree of the distiller's grains is improved. After the solid-liquid separation equipment is operated, the waste liquid in the inlet tank can be discharged to the waste liquid temporary storage tank through the waste liquid conveying pipe by the liquid discharge valve 42 below the inlet tank.
And the high-pressure water spraying ports of the last stage in the plurality of cascaded heavy-object spiral blade solid-liquid separation equipment are connected with a tap water pipe network. The purity of the distilled grain washing is ensured by repeated washing and the last washing with tap water. After the vinasse is cleaned, the vinasse can enter a belt filter press through a conveyor belt to remove redundant moisture, and the pressed moisture is input into a vinasse liquid temporary storage pool through a vinasse liquid conveying pipe. And then sequentially completing the processes of drying, crushing, grinding, packaging and storing the vinasse.
The distillers ' grains are conveyed between two filter fabrics of the belt filter press, repeatedly squeezed and sheared by a plurality of groups of rollers, water in the distillers ' grains is squeezed out, and then the filter fabrics are adsorbed by using a vacuum pump, so that a large amount of cleaned distillers ' grains can be continuously filter-pressed.
The drying chamber can adopt stepped circulation drying, and the drying chamber can also be used for drying crops in the harvesting season of the crops, so that the maximum utilization of equipment is realized.
In a specific embodiment, the pipeline-type vinasse comprehensive treatment system further comprises a vinasse liquid utilization and circulation system, wherein the vinasse liquid utilization and circulation system comprises a vinasse liquid temporary storage tank connected with the vinasse liquid conveying pipe and a hydroponic field connected with the vinasse liquid temporary storage tank; the Shui Peitian water outlet is connected with a water pump and is connected with a dry farmland and a circulating water temporary storage pool through the water pump, and the circulating water temporary storage pool is connected with a high-pressure water spray port of the heavy material spiral blade solid-liquid separation equipment and a water inlet of the centrifugal washing equipment through a pipeline.
The vinasse liquid in the vinasse liquid conveying pipe generally flows into a vinasse liquid temporary storage pool, and the vinasse liquid containing soluble starch, protein, soluble organic matters and the like in the vinasse is used as agricultural nutrient liquid and is discharged into a hydroponic field.
The temporary storage tank for the vinasse liquid can be further provided with an aeration blower 7, so that enough dissolved oxygen is added in the water body of the vinasse liquid to meet the oxygen requirement of aerobic organisms, and organic matters in the vinasse liquid are decomposed into crop nutrients. A plurality of overflow channels 61 are arranged above the temporary storage tank 6 for the liquid of the vinasse, and overflow water at the upper layer of the temporary storage tank for the liquid of the vinasse into the water culture field to be used as liquid fertilizer, and meanwhile, overflow of the vinasse is prevented.
And nutrient substances such as nitrogen, phosphorus, potassium and water-soluble fertilizers which are not contained in the vinasse can be added into the vinasse liquid temporary storage tank through an adder, and the nutrient substances are uniformly mixed through an aeration blower so as to ensure the normal growth of crops.
As shown in fig. 5 and 6, the upper layer of the hydroponic field is a foam plate 81, the lower layer is a planting pool 82, planting holes 83 for planting plants are uniformly arranged on the foam plate, and a planting net immersed in the lower layer planting pool is arranged in the planting holes 83; the planting pool is connected with the vinasse liquid temporary storage pool.
Crops are planted in the planting net, water culture liquid is arranged below the foam plate, the water culture liquid is vinasse liquid overflowed from a vinasse liquid temporary storage pool, and a large amount of water washes and dilutes soluble organic matters attached to vinasse into a low-concentration vinasse liquid with various organic matters as a liquid fertilizer in the vinasse washing process. The distillers 'grains liquid can be added with trace elements which are helpful for the growth of crops besides the distillers' grains liquid.
The water level of the circulating water temporary storage pool can be measured by water level detection equipment in the circulating water temporary storage pool, when the water level exceeds the limit water level or the dry farmland lacks water and fertilizer, the vinasse liquid is discharged to the trench of the dry farmland by the vinasse liquid conveying pipe, and the vinasse liquid can be used for irrigation of the dry farmland after being diluted by water in the trench, and achieves the fertilizer soil effect of the dry farmland. When the vinasse liquid in the vinasse liquid conveying pipe is directly discharged to a trench of a dry farmland, a Shui Peitian water outlet is closed, so that agricultural yield loss caused by the decrease of the liquid level of the water culture liquid in Shui Peitian is prevented.
The water outlet of the greenhouse hydroponic farmland can selectively discharge water into a circulating water temporary storage pool or serve as a ditch for dry farmland irrigation through a water pump. The specific control mode is as follows: the Shui Peitian water outlet is provided with pH value monitoring equipment and a controller connected with the pH value monitoring equipment, and the controller is also connected with the water pump in a control way.
And judging the concentration of organic matters in the water at the water outlet by taking the pH value as a judging standard. When the pH value is higher, the organic matter concentration is lower at this moment, water in Shui Peitian can be discharged to the circulating water temporary storage pool, and when the pH value is lower, the organic matter concentration is higher at this moment, the water is discharged to a dry farmland ditch, so that the water and the water in the ditch are further diluted and then used for irrigation of the dry farmland. By adopting the mode, water in the hydroponic field can be further used as dry field fertilizer, and when the yield of the vinasse liquid is high, the water can be further used as circulating water for irrigation of the dry field or a system.
The invention adopts an automatic assembly line high-efficiency mode to treat the vinasse, carries out assembly line washing treatment on the vinasse, then carries out filter pressing, drying, crushing grinding, packaging and storing on the vinasse, can store products for a long time, improves the utilization value of the vinasse after treatment, and solves the problem that the vinasse is easy to rot and deteriorate.
The solid waste finally obtained by the method can be stored for a long time because the fermented product and impurities are brewed by cleaning, can be used as raw materials and fillers of biodegradable materials, and can be applied to various fields to effectively change waste into valuable.
Thirdly, as a lot of fermentation products of the dried vinasse liquid can enter the vinasse, the dried vinasse liquid is more difficult to release in the subsequent washing process and is more difficult to clean. The invention washes the distillers' grains before being dried, thereby reducing the washing difficulty.
Fourthly, because the grain size of the vinasse powder after crushing and grinding is more similar to that of vinasse mud and vinasse sand, the vinasse powder and the vinasse mud are more difficult to separate, and are easy to mix with water to form slurry, so that solid-liquid separation is more difficult. The invention washes the distillers' grains before crushing and grinding, can greatly improve the cleaning efficiency,
The invention applies the vinasse liquid generated in the cleaning process as a liquid fertilizer to agricultural planting, and realizes the maximum utilization of the residual value of the vinasse while solving the problem of environmental pollution.
The method combines the treatment of the vinasse with the agricultural production, selectively conveys the nutrient components in the vinasse liquid between the hydroponic crops and the dry field crops by taking the concentration of the organic matters as a judgment index, ensures the normal growth of different crops and can fully utilize the vinasse liquid.
And seventh, the distilled grain liquid after being absorbed and purified by crops is recycled, so that the distilled grain treatment is finished and the waste of water resources is reduced.
The invention lays out the high-low level difference of the equipment, energy-saving and transportation of the vinasse liquid in the processing system, and can achieve the effects of different process requirements and local conditions through various layout modes of the equipment.
The foregoing description of the preferred embodiments of the present invention is not obvious contradiction or on the premise of a certain preferred embodiment, but all the preferred embodiments can be used in any overlapped combination, and the embodiments and specific parameters in the embodiments are only for clearly describing the invention verification process of the inventor, and are not intended to limit the scope of the invention, and the scope of the invention is still subject to the claims, and all equivalent structural changes made by applying the content of the description of the present invention are included in the scope of the invention.

Claims (7)

1. A vinasse comprehensive treatment system in a pipeline form is characterized by comprising a vinasse conveying system, a vinasse washing system and a vinasse cleaning treatment system;
The vinasse conveying system comprises a feeder (1) and an inclined conveyor belt (2); the inlet of the feeder is flush with the upper table surface of a stillage stacking platform (10) for stacking stillage; the inlet and the outlet of the inclined conveyor belt are respectively arranged at the outlet of the feeder and the inlet of the centrifugal washing equipment;
The vinasse washing system comprises a centrifugal washing device (3) and a plurality of cascaded heavy material spiral blade solid-liquid separation devices (4); the heavy material spiral blade solid-liquid separation equipment is provided with a spiral blade separator, a high-pressure water spray port (51) and a liquid discharge valve (42) connected with a vinasse liquid conveying pipe; the distillers grains washing treatment system comprises a belt filter press, a dryer and a crushing grinder; the washed vinasse is subjected to filter pressing through a belt filter press, dried through a dryer and crushed through a crushing grinder to obtain a dried vinasse solidified substance;
The system also comprises a vinasse liquid utilization and circulation system, wherein the vinasse liquid utilization and circulation system comprises a vinasse liquid temporary storage pool connected with the vinasse liquid conveying pipe and a hydroponic field connected with the vinasse liquid temporary storage pool; the Shui Peitian water outlet is connected with a water pump and is connected with a dry land and a circulating water temporary storage pool through the water pump, and a pipeline of the circulating water temporary storage pool is connected with a high-pressure water spray port of the heavy material spiral blade solid-liquid separation equipment and a water inlet of the centrifugal washing equipment;
The heavy matter spiral blade solid-liquid separation equipment comprises an inlet pool, wherein the inlet pool is provided with an ascending discharge channel with a semicircular section, a spiral blade separator is arranged in the ascending discharge channel, the tail end of the ascending discharge channel is provided with a discharge hole, and the bottom of the inlet pool is provided with a liquid discharge valve;
An inclined gradient groove (5) is arranged below the discharge hole, and a plurality of linear grooves are arranged on the inclined gradient groove.
2. The vinasse integrated treatment system of claim 1, wherein the upper layer of the hydroponic field is a foam plate (81), the lower layer is a planting pool (82), planting holes (83) for planting plants are uniformly arranged on the foam plate, and a planting net immersed in the lower layer planting pool is arranged in the planting holes (83); the planting pool is connected with the vinasse liquid temporary storage pool.
3. The vinasse integrated treatment system according to claim 1, wherein the vinasse liquid temporary storage tank (6) is provided with an aeration blower (7), and a plurality of overflow channels (61) connected with the hydroponic field are arranged on the upper side wall of the vinasse liquid temporary storage tank (6).
4. The integrated treatment system of distillers' grains of claim 1, wherein the Shui Peitian water outlet is provided with a pH monitoring device and a controller connected with the pH monitoring device, and the controller is also in control connection with the water pump.
5. The integrated stillage treatment system of claim 1, wherein the stillage holding tank is provided with an adder.
6. The integrated stillage treatment system according to claim 1, wherein the inlet tank side wall is provided with an overflow port (41) on which a filter screen is arranged; the overflow is above the level of the floor (11) of the treatment system.
7. The integrated stillage treatment system of claim 1, wherein the high pressure water jet of the last stage of the plurality of cascaded heavy matter helical blade solid-liquid separation devices is connected to a mains water network.
CN202111019359.XA 2021-09-01 2021-09-01 Pipeline form vinasse integrated treatment system Active CN113857201B (en)

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CN202111019359.XA CN113857201B (en) 2021-09-01 2021-09-01 Pipeline form vinasse integrated treatment system
GB2407108.6A GB2627137A (en) 2021-09-01 2022-05-18 Production line-type comprehensive treatment system for distillers grains
PCT/CN2022/093438 WO2023029595A1 (en) 2021-09-01 2022-05-18 Production line-type comprehensive treatment system for distillers grains
TW111132160A TW202402417A (en) 2021-09-01 2022-08-25 Batchable distillery residue recovery and integrated processing system
NL2032922A NL2032922B1 (en) 2021-09-01 2022-08-31 Mass-Production Comprehensive Vinasse Treatment Process And System

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WO2023029595A1 (en) 2023-03-09
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