CN113637090A - Paper mulberry branch and bark material separation, decoction and extraction system and method - Google Patents
Paper mulberry branch and bark material separation, decoction and extraction system and method Download PDFInfo
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- CN113637090A CN113637090A CN202110927497.1A CN202110927497A CN113637090A CN 113637090 A CN113637090 A CN 113637090A CN 202110927497 A CN202110927497 A CN 202110927497A CN 113637090 A CN113637090 A CN 113637090A
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- 238000000605 extraction Methods 0.000 title claims abstract description 134
- 239000000463 material Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 23
- 241000705930 Broussonetia papyrifera Species 0.000 title claims abstract description 9
- 238000000926 separation method Methods 0.000 title claims description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 63
- 241000933832 Broussonetia Species 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000009833 condensation Methods 0.000 claims abstract description 11
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- 229930013930 alkaloid Natural products 0.000 claims description 5
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- 238000011068 loading method Methods 0.000 claims description 5
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/60—Moraceae (Mulberry family), e.g. breadfruit or fig
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
- C07D311/30—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones
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- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/40—Separation, e.g. from natural material; Purification
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- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/30—Extraction of the material
- A61K2236/33—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones
- A61K2236/331—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones using water, e.g. cold water, infusion, tea, steam distillation, decoction
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Abstract
The invention discloses a paper mulberry branch and bark material separating, decocting and extracting system and a paper mulberry branch and bark material separating, decocting and extracting method, wherein the paper mulberry branch and bark material separating, decocting and extracting system comprises a decocting and extracting tank body, a liquid outlet main pipe and a material cage, a heating inner coil pipe is arranged inside the decocting and extracting tank body, a heat source inlet pipe is arranged at one end of the decocting and extracting tank body, and a condensation outlet is arranged at the other end of the decocting and extracting tank body; the top of the decocting extraction tank body is communicated with a liquid inlet pipe and a gas outlet and air exhaust main pipe, the gas outlet and air exhaust main pipe is communicated with an air exhaust branch pipe and a gas outlet branch pipe, the air exhaust branch pipe is connected with a vacuum pump, and an MVR steam compressor is installed on the gas outlet branch pipe; the top of the decocting extraction tank body is provided with a pressure gauge, the bottom of the decocting extraction tank body is communicated with a plurality of liquid outlet branch pipes, meshes are uniformly formed in the material cage, a slide rail is arranged in the decocting extraction tank body, and the bottom of the material cage is provided with a pulley groove. The invention can not only realize the extraction of the effective components of the branches and knots of the broussonetia papyrifera, but also concentrate the decoction, and can finish the extraction and the concentration at one time; can not only save investment, but also obtain better energy-saving effect.
Description
Technical Field
The invention relates to the field of decoction extraction, in particular to a paper mulberry branch and bark material separation, decoction and extraction system and method.
Background
At present, a paper mulberry branch plant contains a large amount of fibers and extracts (such as an extracting solution left after decoction liquid is separated), for example, a paper mulberry branch contains a large amount of fibers, the paper mulberry branch can be decocted to extract paper mulberry extracting solutions (such as alkaloids, flavones, polysaccharides and the like), and the paper mulberry extracting solutions can be further separated to realize medicinal values, cosmetic values and the like; how to effectively utilize the paper mulberry branches and comprehensively extract the fibers and paper mulberry extracts in the paper mulberry branches is a difficult problem in terms of environmental protection and economic benefits, is also a difficult problem in terms of the existing paper mulberry branch utilization process equipment, and how to realize the comprehensive utilization of the paper mulberry branches on one set of process equipment is a research direction for the paper mulberry branch utilization.
At present, the decocting and extracting tank is provided with a vertical type and a horizontal type. Chinese patent No. 200420002736.4 discloses a vertical extraction tank, which has the following disadvantages: the dog-house is established at the top of jar body, and the pipe fitting of jar body upper portion is many and close, therefore, has restricted the size of dog-house for the opening is less, causes the material feeding inconvenient, and the jar body adopts the mode of sediment of bottom, and the time has to pile up, and the centre is built a bridge. The tank bottom needs to be cleaned and treated manually, so that the slag discharge time is long and the energy consumption is high. Chinese patent No. 200620022977.4 discloses a horizontal extraction tank, which has the following disadvantages: the dog-house sets up in the side of the jar body, and jar side establishes an opening and is used as throwing the material and arrange the sediment, and the material drops into the transfer box, and the shape of transfer box is the flat convenient place in bottom, and the transfer box is followed the dog-house business turn over, and is very inconvenient, complex operation, and manual operation intensity of labour is big.
In recent years, the nation continues to issue policies such as 'forbidding waste paper import', 'plastic restriction order' and the like and issues 'carbon peak reaching', 'carbon neutralization' perspective targets, which causes continuous shortage of fiber raw materials of pulping and papermaking enterprises. Domestic waste crop straws, such as mulberry trees, paper mulberry branches and the like, are rich in resources, so that the source channel of raw materials is widened, and domestic fiber resources are utilized in a green and efficient manner.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a paper mulberry branch and bark material separation, decoction and extraction system and method, which can realize the extraction of effective components of paper mulberry branches and knots through a decoction and extraction tank, can concentrate decoction, can synchronously carry out two procedures of extraction and concentration on the same equipment, and can complete the extraction and concentration at one time. The decocting extraction tank can be used as a decocting device and a concentrating device; changes the traditional extraction and concentration decoction process, can save the investment and obtain better energy-saving effect.
The purpose of the invention is realized by the following technical scheme:
a paper mulberry branch and bark material separation, decoction and extraction system comprises a decoction and extraction tank body, a liquid outlet main pipe and a material cage, wherein a feed tank cover is detachably mounted at a feed end of the decoction and extraction tank body, a discharge tank cover is detachably mounted at a discharge end of the decoction and extraction tank body, a heating inner coil pipe is arranged in the decoction and extraction tank body, a heat source inlet pipe communicated with the heating inner coil pipe is arranged at one end of the decoction and extraction tank body, the heat source inlet pipe is connected with a primary steam branch pipe and a secondary steam branch pipe, and a condensation outlet communicated with the heating inner coil pipe is arranged at the other end of the decoction and extraction tank body; the top of the decocting extraction tank body is communicated with a liquid inlet pipe and a gas outlet and air exhaust main pipe, the end part of the liquid inlet pipe is detachably and hermetically provided with a pipeline gate valve A, the gas outlet and air exhaust main pipe is communicated with an air exhaust branch pipe and a gas outlet branch pipe, the air exhaust branch pipe is connected with a vacuum pump, and the gas outlet branch pipe is provided with an MVR (mechanical vapor recompression) steam compressor connected with a secondary steam branch pipe; a pressure gauge is arranged at the top of the decocting extraction tank body, and a detection end of the pressure gauge is arranged inside the decocting extraction tank body; the bottom of the decocting extraction tank body is communicated with a plurality of liquid outlet branch pipes, and the liquid outlet main pipe is communicated with the liquid outlet branch pipes; the material cage is evenly provided with meshes, a sliding rail is arranged at the bottom in the decocting extraction tank from the feeding end to the discharging end, and a pulley groove matched with the sliding rail is arranged at the bottom of the material cage.
In order to better realize the invention, the slide rail in the heating inner coil is provided with pipe holes matched with the heating inner coil, or the heating inner coil is uniformly distributed in the decocting extraction tank body by bypassing the slide rail.
Preferably, the cross section of the heating inner coil pipe is in a round pipe shape; the material cage is integrally cylindrical, cage doors are arranged at two ends of the material cage respectively, and limiting pulleys matched with the sliding rails are arranged on pulley grooves of the material cage.
Preferably, the heating inner coil is a steam heating coil, and the condensation outlet is a condensed water outlet.
Preferably, the top of the decocting extraction tank body is provided with a safety valve, the top of the decocting extraction tank body is provided with a temperature sensor, and the detection end of the temperature sensor is arranged inside the decocting extraction tank body.
Preferably, the front end of the material cage is provided with a connecting clamping block, and the rear end of the material cage is provided with a connecting clamping groove matched with the connecting clamping block.
Preferably, the bottom of the decocting extraction tank body at the position of the discharge tank cover is provided with a traction mechanism.
Preferably, the exhaust branch pipe is provided with a pipeline gate valve B, the exhaust branch pipe is provided with a pipeline gate valve C, the liquid outlet main pipe is provided with a pipeline gate valve D, and the liquid outlet main pipe is provided with a liquid pump.
A method for separating, decocting and extracting paper mulberry branch and bark materials comprises the following steps:
A. preparing paper mulberry branches, cutting the paper mulberry branches into paper mulberry branch knots through a wood cutting machine, controlling the length of each paper mulberry branch knot to be 20-100 mm, and washing the paper mulberry branch knots through a material washing machine;
B. weighing the washed branch knots of the broussonetia papyrifera, then loading the branch knots into a material cage by using a charging machine, opening a feeding tank cover and a discharging tank cover of a decocting extraction tank body, and conveying the material cage containing the branch knots of the broussonetia papyrifera into the decocting extraction tank body through a traction mechanism; after the material cage loading finishes, the sealed feeding cover and the ejection of compact cover of closing let in through the feed liquor pipe and fry in shallow oil the boiling water, and the paper mulberry branch festival is 1 according to the part by weight with the boiling water: 3-10 in proportion;
C. the steam source is introduced into the heating inner coil pipe through the primary steam branch pipe, the steam source in the heating inner coil pipe flows and heats and decocts the interior of the decocte extraction tank body, and the specific method is as follows:
c1, controlling the temperature inside the decocting extraction tank to rise to 50-70 ℃, and heating, decocting and soaking for 2-5 hours; heating to increase the pressure of the decocting extraction tank to 0.01-0.2 MPa higher than the normal atmospheric pressure, and carrying out heat preservation and decoction for 1-4 hours; after the heat preservation is finished, the primary steam branch pipe is closed, and the inner coil pipe is heated to stop introducing the steam source; opening an air outlet branch pipe and an MVR steam compressor, treating steam in the decocting extraction tank body by the MVR steam compressor through a secondary steam branch pipe and a heat source inlet pipe, generating high-pressure secondary steam as a heat source, continuously heating, decocting and concentrating the interior of the decocting extraction tank body, and closing the air outlet branch pipe and the MVR steam compressor after 1-8 hours;
c2, opening an air exhaust branch pipe and a vacuum pump, performing air exhaust operation on the interior of the decocting extraction tank body by the vacuum pump, reducing the pressure in the interior of the decocting extraction tank body to be 0.02-0.06 MPa lower than the normal atmospheric pressure, performing decocting concentration for 0.5-2 hours, and closing the air exhaust branch pipe and the vacuum pump after the decocting concentration is finished, and performing material liquid separation operation;
D. and (3) material liquid separation: discharging the decoction through a main liquid outlet pipe and a branch liquid outlet pipe to obtain decoction; and opening a feeding tank cover and a discharging tank cover of the decocting extraction tank body, conveying and dragging the material cage through a traction mechanism, and collecting the decocted material from the material cage.
Preferably, the separation, decoction and extraction method further comprises the following steps:
E. further separating and extracting the decoction to obtain polysaccharide, flavone and alkaloid products; feeding the decocted materials into a peeling machine to separate skin and stem, obtaining the skin materials and the stem materials through separation, feeding the skin materials into a microwave dryer to be dried, controlling the moisture content after drying to be 10-15%, and feeding the dried skin materials into an opening carding machine to be opened and carded, so as to obtain bast fibers; and (3) feeding the rod material to a thread rolling machine for processing to obtain a filiform rod material, and feeding the filiform rod material to a rough grinding machine and a fine grinding machine for grinding to obtain rod fibers.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention can realize the extraction of the effective components of the branches and the knots of the broussonetia papyrifera through the decoction extraction tank, can concentrate the decoction, can synchronously carry out the two procedures of extraction and concentration on the same equipment, and can complete the extraction and the concentration at one time. The decocting extraction tank can be used as a decocting device and a concentrating device; changes the traditional extraction and concentration decoction process, can save the investment and obtain better energy-saving effect. The method can be popularized and applied to separation of fibers and extracting solution of plants such as mulberry branches, bamboos and the like, particularly separation of the mulberry branches and the bamboos is facilitated to obtain the extracting solution and further extract the components to be used, and the comprehensive utilization value is higher.
(2) The air exhaust branch pipe is connected with the vacuum pump, the vacuum pump performs air exhaust treatment on the interior of the decocting extraction tank to enable the decocting extraction tank to form low-temperature negative-pressure decoction, so that extracts can be released more easily and quickly during decoction of mulberry twig nodes and placed in water to form an extracting solution, meanwhile, water vapor in the decocting extraction tank is sucked by the vacuum pump and condensed by the condensing device and then recycled, the pressure of the decocting extraction tank is low, water can be boiled by heating lower heat of the inner coil pipe, and the effects of energy conservation and environmental protection can be achieved; moreover, the water vapor in the decoction extraction tank is pumped by a vacuum pump to generate condensed water after condensation treatment, and the condensed water is pumped into a steam boiler or recovered as decoction water for heat recovery.
(3) The air outlet branch pipe of the invention is connected with an MVR steam compressor, the low-temperature and low-pressure secondary steam evaporated in the tank body is compressed into steam with higher pressure and higher temperature as a heat source and is sent back from the secondary steam branch pipe for heating, decocting and concentrating, thus, all the secondary steam can be changed into a recycled steam source only by using a small amount of mechanical energy, and the decocting, evaporating and concentrating processes are continuously carried out without depending on external steam. Energy and water are saved.
(4) The invention saves energy and water, not only can concentrate and save more than 90% of cooling water, but also can recycle all the cooling water as decoction water, thereby reducing the cost.
(5) The method has the advantages of high efficiency, low energy consumption, low-temperature decoction and concentration, improves the extraction rate, realizes comprehensive and flow line extraction of polysaccharide, flavone, alkaloid, bast fiber, stalk fiber and the like of the paper mulberry branches, comprehensively utilizes various values of the paper mulberry branches, and improves the utilization rate and the utilization value of the paper mulberry branches.
(6) The invention can realize low-temperature negative-pressure decoction and high-temperature positive-pressure decoction, and can realize MVR evaporation concentration and vacuum concentration. The extraction and the concentration are flexible and convenient. The bast fiber can be used as raw material of daily necessities, raw material of textiles and raw material of special paper, and the stalk fiber can be used as raw material of paper making and raw material of building material fiber board.
(7) The whole production process of the invention has no discharge of waste water, waste gas, waste residue and the like, and the product is green and environment-friendly, is convenient to operate and is beneficial to industrial mass production.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first arrangement of heating inner coils inside the decocting extraction tank according to the present embodiment;
FIG. 3 is a schematic view of a second arrangement of heating inner coils inside the decocting extraction tank according to the embodiment;
FIG. 4 is a schematic structural view of the cage of the present invention;
FIG. 5 is a schematic view of the slide rail layout shown in section A-A of FIG. 1;
fig. 6 is a sectional view taken along line B-B in fig. 4.
Wherein, the names corresponding to the reference numbers in the drawings are:
1-a decocting extraction tank body, 2-a discharging tank cover, 3-a feeding tank cover, 4-a heating inner coil pipe, 41-a heat source inlet pipe, 42-a condensation outlet, 5-a liquid inlet pipe, 6-a pressure gauge, 7-a safety valve, 8-a gas outlet and air exhaust main pipe, 9-a liquid outlet main pipe, 91-a liquid outlet branch pipe, 10-a material cage, 101-a pulley groove, 11-a slide rail, 12-a traction mechanism, 13-a vacuum pump, 131-an air exhaust branch pipe, 14-an MVR steam compressor, 141-a gas outlet branch pipe and 15-a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
examples
As shown in fig. 1 to 6, a paper mulberry branch and bark material separation, decoction and extraction system comprises a decoction and extraction tank body 1, a liquid outlet main pipe 9 and a material cage 10, wherein a feeding tank cover 3 is detachably mounted at a feeding end of the decoction and extraction tank body 1, a discharging tank cover 2 is detachably mounted at a discharging end of the decoction and extraction tank body 1, a heating inner coil 4 is arranged inside the decoction and extraction tank body 1, a heat source inlet pipe 41 communicated with the heating inner coil 4 is arranged at one end of the decoction and extraction tank body 1, a primary steam branch pipe and a secondary steam branch pipe are connected to the heat source inlet pipe 41, and a condensation outlet 42 communicated with the heating inner coil 4 is arranged at the other end of the decoction and extraction tank body 1. Decocte and draw jar body 1 top intercommunication and be equipped with feed liquor pipe 5 and give vent to anger air exhaust manifold 8, 5 detachable seal installation in the tip of feed liquor pipe has pipeline gate valve A, air exhaust manifold 8 intercommunication of giving vent to anger has air exhaust branch pipe 131 and branch pipe 141 of giving vent to anger, air exhaust branch pipe 131 is connected with vacuum pump 13 (vacuum pump 13 starts and draws jar body 1 inside to the decocte through air exhaust branch pipe 131 and extract the operation of bleeding or the operation of taking vacuum), it installs the MVR vapor compressor 14 of being connected with the secondary steam branch pipe on the branch pipe 141 of giving vent to anger (MVR vapor compressor 14 starts and draws the steam in jar body 1 to the decocte through the branch pipe of giving vent to anger and carries out steam intensification and compression operation, so that recycle. The top of the decocting extraction tank body 1 is provided with a pressure gauge 6, and the detection end of the pressure gauge 6 is arranged inside the decocting extraction tank body 1 (the pressure gauge 6 monitors the air pressure inside the decocting extraction tank body 1). The bottom of the decocting extraction tank 1 is communicated with a plurality of liquid outlet branch pipes 91 (when in installation, the liquid outlet branch pipes 91 can be communicated at different positions of the decocting extraction tank 1), and the liquid outlet main pipe 9 is communicated with the liquid outlet branch pipes 91. Evenly open mesh (this embodiment material cage 10 is the netted material cage that has a plurality of mesh) on the material cage 10, the bottom is equipped with slide rail 11 from the feed end to the discharge end in the decocting extraction jar body 1, and material cage 10 bottom is equipped with the pulley groove 101 with slide rail 11 matched with.
As shown in fig. 1, a slide rail 11 inside the decocting extraction tank body 1 is provided with a pipe hole matched with the heating inner coil 4, that is, the bottom of the slide rail 11 is provided with the pipe hole, the heating inner coil 4 is installed in the decocting extraction tank body 1, then the slide rail 11 is correspondingly installed at a corresponding position inside the decocting extraction tank body 1, and the pipe hole of the slide rail 11 is just matched with the heating inner coil 4 (the heating inner coil 4 is arranged, see fig. 2, the heating inner coil 4 is uniformly arranged in the decocting extraction tank body 1 in the axial direction, and the heating inner coil 4 penetrates through the pipe hole of the slide rail 11). Or the heating inner coil 4 is uniformly distributed in the decocting extraction tank body 1 by bypassing the slide rail 11, the heating inner coil 4 is integrally spirally distributed, and the heating inner coil is folded and distributed when meeting the position of the slide rail 11 during distribution, so that the distribution position of the slide rail 11 is reserved, and meanwhile, the heating inner coil 4 is also uniformly distributed in the decocting extraction tank body 1; referring to fig. 3, the heating inner coil 4 of the present embodiment is uniformly arranged inside the decocting extraction tank 1 by leaving the slide rails 11 (i.e. the heating inner coil 4 is arranged side by side along the length direction of the decocting extraction tank 1, and simultaneously leaves the slide rails 11, and the arrangement mode refers to fig. 3). Of course, the heating inner coil 4 can also be arranged outside the decocting extraction tank body 1 in a spiral way.
The pipe section of the heating inner coil 4 is preferably in a round pipe shape in the present embodiment. The material cage 10 that this embodiment is preferred wholly is the cylinder shape, and material cage 10 both ends are equipped with the cage door respectively (open the cage door, can feed, ejection of compact operation), are equipped with the spacing pulley with slide rail 11 matched with on the pulley groove 101 of material cage 10.
The preferred heating inner coil 4 of this embodiment is a steam heating coil, the heat source inlet 41, the primary steam branch pipe and the secondary steam branch pipe of this embodiment are all steam inlets, and the condensation outlet 42 is a condensation water outlet.
As shown in fig. 1, the top of the decocting extraction tank 1 is further communicated with a safety valve 7, the top of the decocting extraction tank 1 is further provided with a temperature sensor 15, and a detection end of the temperature sensor 15 is arranged inside the decocting extraction tank 1 (the temperature sensor 15 monitors the temperature inside the decocting extraction tank 1).
The front end of the material cage 10 of the embodiment is provided with a connecting clamping block, and the rear end of the material cage 10 is provided with a connecting clamping groove matched with the connecting clamping block; two adjacent material cages 10 can be mutually clamped and combined through the connecting clamping blocks and the connecting clamping grooves. The bottom of the decocting extraction tank body 1 at the position of the discharge tank cover 2 is provided with a traction mechanism 12 (see fig. 1), the traction mechanism 12 can be a winch, and when a plurality of material cages 10 or a single material cage 10 is heavy, a material cage assembly or a single material cage 10 can be pulled through a traction rope of the traction mechanism 12 (the aperture of the material cage 10 in the embodiment can be 50-80 meshes), so that the purpose of saving labor is achieved.
The pumping branch pipe 131 of this embodiment is provided with a pipeline gate valve B, the gas outlet branch pipe 141 is provided with a pipeline gate valve C, the liquid outlet header pipe 9 is provided with a pipeline gate valve D, and the liquid outlet header pipe 9 is provided with a pumping pump.
Collect the branch of paper mulberry (tailor into the festival according to the branch direction), open the cage door of material cage 10, store the mulberry branch in material cage 10, open feeding cover 3, will be equipped with the material cage 10 of mulberry branch and push into the decocte and draw jar body 1 (the decocte draws jar body 1 and arranges according to actual length, if the decocte draws jar body 1 than long, can carry out the joint combination with each material cage 10 when pushing the decocte and draw jar body 1), then close feeding cover 3. Water required for decoction is introduced from the liquid inlet pipe 5 and then is closed by a pipeline gate valve. The heating inner coil 4 is introduced into a heat source to heat the interior of the decocting extraction tank body 1, the pressure gauge 6 is used for monitoring the air pressure in the decocting extraction tank body 1 (when the air pressure in the decocting extraction tank body 1 is higher, the safety valve 7 can perform pressure relief operation to ensure the decocting safety), steam is evaporated from the decocting extraction tank body, a steam heat source switch is closed, the steam in the tank body enters an air outlet branch pipe from an air outlet exhaust main pipe 8 and enters an MVR steam compressor for operation, the steam evaporated from the decocting extraction tank body 1 is processed by the MVR steam compressor to become steam with higher pressure and higher temperature, and the steam enters the heating inner coil 4 through a secondary steam branch pipe and a heat source inlet pipe 41; and (3) quickly decocting and evaporating to concentrate in the decocting extraction tank body 1, and ending the decoction at normal temperature or positive pressure. The branch pipe 131 of bleeding is connected with vacuum pump 13 and condensing equipment, open vacuum pump 13 and draw jar body 1 inside to the decocte and draw and extract and take jar body 1 to form a low pressure or negative pressure state in order to let the decocte), it is easier when can letting the mulberry branch decocte like this, the extract is emitted to the quick release more soon and is placed in aqueous and form the extract, the steam of decocte simultaneously and draw jar body 1 inside can be sucked by vacuum pump 13 and carry out condensation processing by condensing equipment, then retrieve and recycle, and decocte draws jar body 1 atmospheric pressure lower, the lower heat of coil pipe 4 just can let the water boil in the heating, can reach energy-concerving and environment-protective efficiency. After the decoction is finished, concentrated extracting solution (such as mulberry branch extracting solution) is discharged through the liquid outlet main pipe 9, the discharging tank cover 2 is opened, the material cage 10 is pushed out (if a plurality of material cages 10 are arranged, the material cages 10 are pushed out in batch and detached), and fiber substances in the material cage 10 are collected.
A method for separating, decocting and extracting paper mulberry branch and bark materials comprises the following steps:
A. preparing paper mulberry branches, cutting the paper mulberry branches into paper mulberry branch knots by a wood cutting machine, controlling the length of each paper mulberry branch knot to be 20-100 mm, and washing the paper mulberry branch knots by a washing machine.
B. Weighing the washed branch knots of the broussonetia papyrifera, then loading the branch knots into a material cage 10 by using a charging machine, opening a feeding tank cover 3 and a discharging tank cover 2 of a decocting extraction tank body 1, and conveying the material cage 10 containing the branch knots of the broussonetia papyrifera into the decocting extraction tank body 1 through a traction mechanism 12. After the loading of material cage 10 finishes, sealed feeding cover 3 and the ejection of compact cover 2 of closing, let in through feed liquor pipe 5 and fry in shallow oil the boiling water, the branch and knot of paper mulberry (this embodiment is preferred to carry out the weight parts ratio according to converting into absolutely dry material) and the boiling water is 1 according to the weight parts ratio: 3-10 in proportion.
C. The steam source is introduced into the heating inner coil pipe 4 through the primary steam branch pipe, the steam source in the heating inner coil pipe 4 flows and heats and decocts the interior of the decocte extraction tank body 1, and the specific method is as follows:
c1, controlling the temperature inside the decocting extraction tank body 1 to rise to 50-70 ℃, and heating, decocting and soaking for 2-5 hours. And then heating to raise the pressure of the decocting extraction tank body 1 to 0.01-0.2 Mpa higher than the normal atmospheric pressure (when the gauge pressure of the pressure gauge 6 in the embodiment is zero, the atmospheric pressure is the normal atmospheric pressure, the positive value of the gauge pressure of the pressure gauge 6 is higher than the normal atmospheric pressure by a pressure value, and when the gauge pressure is 0.01-0.2 Mpa higher than the normal atmospheric pressure, the gauge pressure of the pressure gauge 6 is 0.01-0.2 Mpa), and decocting for 1-4 hours at the same time. After the heat preservation is finished, the primary steam branch pipe is closed, and the steam source is stopped to be led in by heating the inner coil pipe 4; and opening the gas outlet branch pipe 141 and the MVR steam compressor 14, treating steam in the decocting extraction tank body 1 by the MVR steam compressor 14 through the secondary steam branch pipe and the heat source inlet pipe 41, generating high-pressure secondary steam as a heat source, continuously heating, decocting and concentrating the interior of the decocting extraction tank body 1, and closing the gas outlet branch pipe 141 and the MVR steam compressor 14 after 4-8 hours.
C2, opening the branch exhaust pipe 131 and the vacuum pump 13, the vacuum pump 13 performing the operation of exhausting air from the interior of the decocting extraction tank 1 and reducing the pressure in the interior of the decocting extraction tank 1 to a value lower than the normal atmospheric pressure by 0.02-0.06 Mpa (in this embodiment, when the gauge pressure of the pressure gauge 6 is zero, the atmospheric pressure is the normal atmospheric pressure, and the negative value of the gauge pressure of the pressure gauge 6 is lower than the normal atmospheric pressure by a pressure value, wherein when the gauge pressure is lower than the normal atmospheric pressure by 0.02-0.06 Mpa, namely, the gauge pressure of the pressure gauge 6 is-0.02-0.06 Mpa), decocting and concentrating for 0.5-2 hours, after decocting and concentrating, closing the branch exhaust pipe 131 and the vacuum pump 13, and performing the operation of separating the material liquid.
D. And (3) material liquid separation: the decoction is discharged through the liquid outlet header pipe 9 and the liquid outlet branch pipe 91 to obtain the decoction. Opening a feeding tank cover 3 and a discharging tank cover 2 of the decocting extraction tank body 1, conveying and dragging a discharging cage 10 through a traction mechanism 12, and collecting the decocted materials from the cage 10.
E. Further separating and extracting the decoction to obtain polysaccharide, flavone and alkaloid products. And feeding the decocted materials into a peeling machine to separate skin and rod, obtaining the skin and rod materials through separation, feeding the skin materials into a microwave dryer to be dried, controlling the moisture of the dried skin materials to be 10-15%, and feeding the dried skin materials into an opening carding machine to be opened and carded, so as to obtain the bast fibers. And (3) feeding the rod material to a thread rolling machine for processing to obtain a filiform rod material, and feeding the filiform rod material to a rough grinding machine and a fine grinding machine for grinding to obtain rod fibers.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A paper mulberry branch skin material separation decocte extraction system which characterized in that: the device comprises a decocting extraction tank body (1), a liquid outlet main pipe (9) and a material cage (10), wherein a feeding cover (3) is detachably arranged at the feeding end of the decocting extraction tank body (1), a discharging cover (2) is detachably arranged at the discharging end of the decocting extraction tank body (1), a heating inner coil pipe (4) is arranged inside the decocting extraction tank body (1), a heat source inlet pipe (41) communicated with the heating inner coil pipe (4) is arranged at one end of the decocting extraction tank body (1), a primary steam branch pipe and a secondary steam branch pipe are connected to the heat source inlet pipe (41), and a condensation outlet (42) communicated with the heating inner coil pipe (4) is arranged at the other end of the decocting extraction tank body (1); the top of the decocting extraction tank body (1) is communicated with a liquid inlet pipe (5) and a gas outlet and air exhaust main pipe (8), the end part of the liquid inlet pipe (5) is detachably and hermetically provided with a pipeline gate valve A, the gas outlet and air exhaust main pipe (8) is communicated with a gas exhaust branch pipe (131) and a gas outlet branch pipe (141), the gas exhaust branch pipe (131) is connected with a vacuum pump (13), and the gas outlet branch pipe (141) is provided with an MVR (mechanical vapor recompression) steam compressor (14) connected with a secondary steam branch pipe; a pressure gauge (6) is arranged at the top of the decocting extraction tank body (1), and the detection end of the pressure gauge (6) is arranged inside the decocting extraction tank body (1); the bottom of the decocting extraction tank body (1) is communicated with a plurality of liquid outlet branch pipes (91), and the liquid outlet header pipe (9) is communicated with the liquid outlet branch pipes (91); the feed cage (10) is uniformly provided with meshes, a sliding rail (11) is arranged from the feed end to the discharge end at the bottom in the decocting extraction tank body (1), and a pulley groove (101) matched with the sliding rail (11) is arranged at the bottom of the feed cage (10).
2. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1, wherein: the slide rail (11) in the heating inner coil (4) is provided with a pipe hole matched with the heating inner coil (4), or the heating inner coil (4) is uniformly distributed in the decocting extraction tank body (1) by bypassing the slide rail (11).
3. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1 or 2, wherein: the cross section of the heating inner coil (4) is in a round pipe shape; the material cage (10) is integrally cylindrical, cage doors are arranged at two ends of the material cage (10) respectively, and limiting pulleys matched with the sliding rails (11) are arranged on pulley grooves (101) of the material cage (10).
4. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1 or 2, wherein: the heating inner coil (4) is a steam heating coil, and the condensation outlet (42) is a condensed water outlet.
5. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1, wherein: the top of the decocting extraction tank body (1) is provided with a safety valve (7), the top of the decocting extraction tank body (1) is provided with a temperature sensor (15), and the detection end of the temperature sensor (15) is arranged in the decocting extraction tank body (1).
6. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1, wherein: the material cage is characterized in that a connecting clamping block is arranged at the front end of the material cage (10), and a connecting clamping groove matched with the connecting clamping block is arranged at the rear end of the material cage (10).
7. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1, wherein: the bottom of the decocting extraction tank body (1) at the position of the discharging tank cover (2) is provided with a traction mechanism (12).
8. The system for separating, decocting and extracting the paper mulberry branch and bark materials as claimed in claim 1, wherein: be equipped with pipeline gate valve B on pumping branch pipe (131), be equipped with pipeline gate valve C on the branch pipe of giving vent to anger (141), be equipped with pipeline gate valve D on liquid outlet manifold (9), install the drawing liquid pump on liquid outlet manifold (9).
9. A method for separating, decocting and extracting paper mulberry branch and bark materials is characterized in that: the method comprises the following steps:
A. preparing paper mulberry branches, cutting the paper mulberry branches into paper mulberry branch knots through a wood cutting machine, controlling the length of each paper mulberry branch knot to be 20-100 mm, and washing the paper mulberry branch knots through a material washing machine;
B. weighing the washed branch knots of the broussonetia papyrifera, then loading the branch knots into a material cage (10) by using a charging machine, opening a feeding tank cover (3) and a discharging tank cover (2) of a decocting extraction tank body (1), and conveying the material cage (10) containing the branch knots of the broussonetia papyrifera into the decocting extraction tank body (1) through a traction mechanism (12); after material cage (10) load finishes, sealed feeding cover (3) of closing and ejection of compact cover (2), let in through feed liquor pipe (5) and fry in shallow oil the boiling water, the branch knot of paper mulberry and the boiling water are according to weight part ratio 1: 3-10 in proportion;
C. the steam source is introduced into the heating inner coil pipe (4) through the primary steam branch pipe, the steam source in the heating inner coil pipe (4) flows and heats and decocts the interior of the decocte extraction tank body (1), and the specific method is as follows:
c1, controlling the temperature inside the decocting extraction tank body (1) to rise to 50-70 ℃, and heating, decocting and soaking for 2-5 hours; then heating to increase the pressure of the decocting extraction tank body (1) to 0.01-0.2 Mpa higher than the normal atmospheric pressure, and carrying out heat preservation and decoction for 1-4 hours; after the heat preservation is finished, the primary steam branch pipe is closed, and the heating inner coil pipe (4) stops introducing the steam source; opening an air outlet branch pipe (141) and an MVR steam compressor (14), treating steam in the decocting extraction tank body (1) by the MVR steam compressor (14) through a secondary steam branch pipe and a heat source inlet pipe (41) and generating high-pressure secondary steam as a heat source, continuously heating, decocting and concentrating the interior of the decocting extraction tank body (1), and closing the air outlet branch pipe (141) and the MVR steam compressor (14) after 1-8 hours;
c2, opening the air exhaust branch pipe (131) and the vacuum pump (13), performing air exhaust operation on the interior of the decocting extraction tank body (1) by the vacuum pump (13), reducing the pressure in the interior of the decocting extraction tank body (1) to be 0.02-0.06 MPa lower than the normal atmospheric pressure, performing decocting concentration for 0.5-2 hours, and after the decocting concentration is finished, closing the air exhaust branch pipe (131) and the vacuum pump (13) to perform material-liquid separation operation;
D. and (3) material liquid separation: the decoction is discharged through a liquid outlet main pipe (9) and a liquid outlet branch pipe (91) to obtain decoction; opening a feeding tank cover (3) and a discharging tank cover (2) of the decocting extraction tank body (1), conveying and dragging out the material cage (10) through a traction mechanism (12), and collecting the decocted material from the material cage (10).
10. The method for separating, decocting and extracting the paper mulberry branch bark materials according to claim 9, is characterized in that: the method also comprises the following steps:
E. further separating and extracting the decoction to obtain polysaccharide, flavone and alkaloid products; feeding the decocted materials into a peeling machine to separate skin and stem, obtaining the skin materials and the stem materials through separation, feeding the skin materials into a microwave dryer to be dried, controlling the moisture content after drying to be 10-15%, and feeding the dried skin materials into an opening carding machine to be opened and carded, so as to obtain bast fibers; and (3) feeding the rod material to a thread rolling machine for processing to obtain a filiform rod material, and feeding the filiform rod material to a rough grinding machine and a fine grinding machine for grinding to obtain rod fibers.
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Effective date of registration: 20231107 Address after: Room 301, Shuangchuang Valley, Economic Development Zone, No. 5 Wangchong Street, Yongchang Town, Beichuan Qiang Autonomous County, Mianyang City, Sichuan Province, 621000 Patentee after: Sichuan Qiangyuan Jiasheng Technology Co.,Ltd. Address before: 621000 No. 20, Ziliang street, Huangtu Town, an County, Mianyang City, Sichuan Province Patentee before: Zhang Mingxun |