CN109248640A - A kind of straw hydrolysis levulic acid processed improves device - Google Patents
A kind of straw hydrolysis levulic acid processed improves device Download PDFInfo
- Publication number
- CN109248640A CN109248640A CN201811118129.7A CN201811118129A CN109248640A CN 109248640 A CN109248640 A CN 109248640A CN 201811118129 A CN201811118129 A CN 201811118129A CN 109248640 A CN109248640 A CN 109248640A
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- tube
- reaction
- distillation
- straw
- rack
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- 239000010902 straw Substances 0.000 title claims abstract description 38
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 230000007062 hydrolysis Effects 0.000 title description 4
- 238000006460 hydrolysis reaction Methods 0.000 title description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 85
- 238000004821 distillation Methods 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000011973 solid acid Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011541 reaction mixture Substances 0.000 description 13
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 12
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 235000019253 formic acid Nutrition 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000003319 supportive effect Effects 0.000 description 3
- 240000004928 Paspalum scrobiculatum Species 0.000 description 2
- 235000003675 Paspalum scrobiculatum Nutrition 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Levulic acid processed, which is hydrolyzed, the invention discloses a kind of straw improves device, including reaction rack and distillation rack, the reaction frame upper end is equipped with reaction tube, the reaction tube upper end is equipped with cover, the cover upper end is equipped with material feeding bucket, and the cover bottom end is equipped with the sealing mechanism for sealing the material feeding bucket；Netted cylinder is installed, the inner top of the reaction rack is provided with hermatic door, and the hermatic door is connected with the netted cylinder inside the reaction tube；The distillation frame upper end is equipped with distillation tube, and the outside of the distillation tube is equipped with topping-up pump, and the inner wall of the distillation tube is equipped with distillation heater, and the inner top of the distillation rack is equipped with driving motor, and the output end of the driving motor is equipped with cartridge filter.Beneficial effect is: it is easy to implement the collection of residue after straw reaction, it is simple and convenient, and help to improve production efficiency；Distillation and filtering are combined, production efficiency is helped to improve, reduces equipment cost.
Description
Technical field
The present invention relates to levulic acid process units technical fields, and in particular to a kind of straw hydrolysis levulic acid processed improves
Device.
Background technique
Levulic acid is a kind of polyfunctional compound containing carbonyl, α-hydrogen and carboxyl simultaneously, is the various light industries of synthesis
The base stock of product has extensive use value in organic synthesis and industrial or agricultural, pharmaceuticals industry.Life is mostly used at present
Substance carries out the production of levulic acid, and straw is the one kind for producing the biomass of levulic acid.The life of current levulic acid
It produces device to be not easy to realize the collection of the residue after straw reaction, while filtering is separated with distillation equipment, influences production efficiency,
Increase equipment cost simultaneously.
Summary of the invention
The object of the invention is that providing a kind of straw hydrolysis levulic acid processed to solve the above-mentioned problems and improving dress
It sets, to solve the receipts for the residue that the process units of levulic acid current in the prior art is not easy to after realization straw reaction
Collection, while filtering is separated with distillation equipment, influences production efficiency, while increasing the technical problems such as equipment cost.The present invention provides
Many technical solutions in preferred technical solution be easy to implement the collection of residue after straw reaction, it is simple and convenient, have
Help improve production efficiency；Distillation and filtering are combined, production efficiency is helped to improve, reduces the technologies such as equipment cost effect
Fruit, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of straw provided by the invention hydrolyzes levulic acid processed and improves device, including reaction rack and distillation rack, institute
It states reaction frame upper end and reaction tube is installed, reaction solution injection pipe, the reaction solution injection pipe are installed on the outside of the reaction tube
Outer end is equipped with liquid-filling valve, and the reaction solution injection pipe protrudes into inside the reaction tube；The reaction tube upper end is equipped with cover,
The cover upper end is equipped with material feeding bucket, and the material feeding bucket protrudes into inside the reaction tube, and the cover bottom end, which is equipped with, to be used for
Seal the sealing mechanism of the material feeding bucket；
The sealing mechanism includes guide post, and the guide post is fixedly mounted on the cover bottom face, the guide post
It is provided with even number, and is symmetrically distributed in the outlet end two sides of the material feeding bucket, the guide post bottom end is equipped with baffle, described
Packing spring and sealing plate are installed on the outside of guide post, the sealing plate is located at the lower section of the outlet end of the material feeding bucket, described
Packing spring is between the sealing plate and the baffle；
The reaction tube inner wall is equipped with net box and reaction heater, the net box and the reaction solution injection pipe phase
Connection, and solid acid is placed with inside the net box；Netted cylinder is installed, the netted cylinder is located at institute inside the reaction tube
State the lower section of material feeding bucket；The reaction machine frame inside is equipped with stirring motor, and the output end of the stirring motor protrudes into the net
Inside shape cylinder, the output end of the stirring motor is equipped with agitating shaft, is equipped with paddle from top to bottom on the outside of the agitating shaft
Piece and helical blade；The inner top of the reaction rack is provided with hermatic door, and the hermatic door is connected with the netted cylinder；
The distillation frame upper end is equipped with distillation tube, and the outside of the distillation tube is equipped with topping-up pump, the topping-up pump
Arrival end be connected by outlet tube with the reaction tube, the outlet end of the topping-up pump is equipped with catheter, the drain
Pipe protrudes into inside the distillation tube；Gas-guide tube is installed, the outlet end that the gas-guide tube protrudes into is protruded at the top of the distillation tube
Inside the reaction tube, the inner wall of the distillation tube is equipped with distillation heater；The bottom of the distillation tube is equipped with drain pipe,
The end of the drain pipe is equipped with tapping valve；
The inner top of the distillation rack is equipped with driving motor, and the output end of the driving motor protrudes into the distillation tube
Inside, the output end of the driving motor are equipped with cartridge filter, are equipped with filter bag inside the cartridge filter.
Levulic acid processed is hydrolyzed using a kind of above-mentioned straw and improves device, when use device, straw is pressed into the material feeding
Bucket is internal, overcomes the elastic force of the Packing spring, makes the sealing plate decline to release the sealing to the material feeding bucket, by rice
Grass is added inside the netted cylinder, opens the liquid-filling valve, by the reaction solution injection pipe to injecting inside the reaction tube
The reaction solution needed, reaction solution is by inside the net box, making the solid acid dissolution inside net box and entering the reaction
Cylinder is internal, and the stirring motor rotates forward, and drives the stirring blade and the helical blade to rotate by the agitating shaft, to rice
Grass is stirred, and is come into full contact with straw with reaction solution and is mixed, and under the heat effect of the reaction heater, is reacted,
Generate levulic acid；After the reaction was completed, the stirring motor reversion, drives the helical blade to rotate by the agitating shaft,
The residue after straw reaction is compressed by the helical blade, is easy to implement being completely exhausted out for reaction mixture, institute
Fluid injection pump work is stated, reaction mixture is injected to the mistake inside the cartridge filter by the outlet tube and the catheter
In filter bag, the driving motor drives the cartridge filter rotation, realizes the centrifugal filtration to reaction mixture, passes through the distillation
Heater carries out heating distillation to filtered reaction mixture, steams the formic acid inside reaction mixture, and by described
Gas-guide tube enters inside the reaction tube, is easy to implement the recycling of formic acid, opens the tapping valve, passes through the drain pipe
Levulic acid solution is discharged, is purified convenient for subsequent；Device will filter and distillation combines, and helps to improve production effect
Rate, while can reduce equipment cost；When reaction mixture is completely into inside the filter bag, just by the hermatic door
It is taken out in by straw reaction residue, to continue through the material feeding bucket to straw is injected inside the netted cylinder, convenient for connecting
Continuous production, helps to improve production efficiency.
Preferably, the outlet end of the material feeding bucket uses leaning device.
Preferably, the stirring blade is interspersed on the outside of the agitating shaft in the upward mode of spiral.
Preferably, the upper end of the net box is provided with opening.
Preferably, being equipped with fixed blade on the outside of the cartridge filter.
Preferably, the arrival end of the gas-guide tube is equipped with gas collection bucket.
Preferably, the inner wall of the distillation tube is equipped with stabilizing mechanism, the stabilizing mechanism includes fixed link, described solid
Fixed pole is internally provided with sliding cavity, and the sliding cavity inside is equipped with sliding bar by buffer spring, and the sliding bar is pierced by institute
Sliding cavity is stated, the outer end of the sliding bar is equipped with pulley by shaft, and the pulley connects with the outer wall of the cartridge filter
Touching.
Preferably, the stabilizing mechanism is provided with even number, and symmetrical.
Preferably, the outer diameter of the sliding bar is equal with the internal diameter of the sliding cavity, and matched using gap
It closes.
Preferably, the inner wall of the sliding cavity is provided through guide groove, the inner end of the sliding bar is equipped with guiding
Block, the guide pad are pierced by the guide groove, and the guide pad and the guide groove clearance fit.
Beneficial effect is: 1, it is easy to implement the collection of residue after straw reaction, it is simple and convenient, and it helps to improve
Production efficiency；
2, distillation and filtering are combined, helps to improve production efficiency, reduce equipment cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of internal structure of the invention；
Fig. 2 is sealing mechanism structure enlargement diagram of the invention；
Fig. 3 is stabilizing mechanism structure enlargement diagram of the invention.
The reference numerals are as follows:
1, stirring motor；2, rack is reacted；201, hermatic door；3, reaction tube；4, heater is reacted；5, netted cylinder；6, anti-
Answer liquid injection pipe；7, liquid-filling valve；8, net box；9, cover；10, material feeding bucket；11, sealing mechanism；1101, guide post；1102, close
Sealing plate；1103, baffle；1104, Packing spring；12, agitating shaft；13, stirring blade；14, helical blade；15, outlet tube；16,
Topping-up pump；17, distillation tube；18, heater is distilled；19, rack is distilled；20, driving motor；21, cartridge filter；22, tapping valve；
23, drain pipe；24, fixed blade；25, stabilizing mechanism；2501, fixed link；2502, buffer spring；2503, guide groove；2504,
Guide pad；2505, sliding bar；2506, pulley；2507, sliding cavity；26, filter bag；27, catheter；28, gas collection bucket；29, it leads
Tracheae.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to figures 1-3, levulic acid processed is hydrolyzed the present invention provides a kind of straw and improves device, including reaction machine
Frame 2 and distillation rack 19, reaction 2 upper end of rack are equipped with reaction tube 3, reaction solution injection pipe 6 are equipped on the outside of reaction tube 3, instead
Answer 6 outer end of liquid injection pipe that liquid-filling valve 7 is installed, reaction solution injection pipe 6 protrudes into inside reaction tube 3；3 upper end of reaction tube is equipped with cylinder
Lid 9,9 upper end of cover are equipped with material feeding bucket 10, and material feeding bucket 10 protrudes into inside reaction tube 3, and 9 bottom end of cover is equipped with for sealing note
The sealing mechanism 11 of hopper 10；
Sealing mechanism 11 includes guide post 1101, and guide post 1101 is fixedly mounted on 9 bottom face of cover, and guide post 1101 is set
It is equipped with even number, and is symmetrically distributed in the outlet end two sides of material feeding bucket 10,1101 bottom end of guide post is equipped with baffle 1103, guiding
Packing spring 1104 and sealing plate 1102 are installed, sealing plate 1102 is located under the outlet end of material feeding bucket 10 on the outside of column 1101
Side, Packing spring 1104 is between sealing plate 1102 and baffle 1103；
3 inner wall of reaction tube is equipped with net box 8 and reaction heater 4, and net box 8 is connected with reaction solution injection pipe 6, and
Solid acid is placed with inside net box 8；Netted cylinder 5 is installed, netted cylinder 5 is located at the lower section of material feeding bucket 10 inside reaction tube 3；Instead
It answers and stirring motor 1 is installed inside rack 2, the output end of stirring motor 1 protrudes into inside netted cylinder 5, the output end of stirring motor 1
Agitating shaft 12 is installed, 12 outside of agitating shaft is equipped with stirring blade 13 and helical blade 14 from top to bottom；React the interior of rack 2
Top is provided with hermatic door 201, and hermatic door 201 is connected with netted cylinder 5；
Distillation 19 upper end of rack is equipped with distillation tube 17, and the outside of distillation tube 17 is equipped with topping-up pump 16, topping-up pump 16
Arrival end is connected by outlet tube 15 with reaction tube 3, and the outlet end of topping-up pump 16 is equipped with catheter 27, and catheter 27 protrudes into
Inside distillation tube 17；The top of distillation tube 17 is equipped with gas-guide tube 29, and the outlet end that gas-guide tube 29 protrudes into is protruded into reaction tube 3
Portion, the inner wall of distillation tube 17 are equipped with distillation heater 18；The bottom of distillation tube 17 is equipped with drain pipe 23, the end of drain pipe 23
Portion is equipped with tapping valve 22；
The inner top of distillation rack 19 is equipped with driving motor 20, and the output end of driving motor 20 protrudes into distillation tube 17
Portion, the output end of driving motor 20 are equipped with cartridge filter 21, filter bag 26 are equipped with inside cartridge filter 21.
As optional embodiment, the outlet end of material feeding bucket 10 uses leaning device, in this way setting be convenient for making straw from
It is discharged, and is dropped down onto inside netted cylinder 5 inside material feeding bucket 10；
Stirring blade 13 is interspersed in the upward mode of spiral in 12 outside of agitating shaft, and setting in this way can pass through stirring
Blade 13 provides straw upward thrust, helps to improve mixing effect, to accelerate to react；
The upper end of net box 8 is provided with opening, and the recycling for the solid acid being easy to implement inside net box 8 is arranged in this way；
The outside of cartridge filter 21 is equipped with fixed blade 24, and setting in this way drives fixed blade 24 to revolve by cartridge filter 21
Turn, helps speed up the distillation of formic acid inside reaction mixture；
The arrival end of gas-guide tube 29 is equipped with gas collection bucket 28, and setting in this way is convenient for that formic acid vapor is made to pass through the entrance of gas collection bucket 28
Inside gas-guide tube 29；
The inner wall of distillation tube 17 is equipped with stabilizing mechanism 25, and stabilizing mechanism 25 includes fixed link 2501, in fixed link 2501
Portion is provided with sliding cavity 2507, passes through buffer spring 2502 inside sliding cavity 2507 and is equipped with sliding bar 2505, sliding bar 2505
It is pierced by sliding cavity 2507, the outer end of sliding bar 2505 is equipped with pulley 2506, pulley 2506 and cartridge filter 21 by shaft
Outer wall is in contact, cartridge filter 21 rotate when, using buffer spring 2502 elastic force push sliding bar 2505, make pulley 2506 with
Cartridge filter 21 contacts, and can play the role of cushioning supportive to cartridge filter 21, guarantees that cartridge filter 21 rotates steadily；
Stabilizing mechanism 25 is provided with even number, and symmetrical, and setting in this way can guarantee stabilizing mechanism 25 to cartridge filter
21 cushioning supportive effect, it is ensured that cartridge filter 21 rotates smoothly；
The outer diameter of sliding bar 2505 is equal with the internal diameter of sliding cavity 2507, and is gap-matched, and sets in this way
It sets convenient for making sliding bar 2505 in 2507 internal slide of sliding cavity, auxiliary realizes the cushioning supportive to cartridge filter 21；
The inner wall of sliding cavity 2507 is provided through guide groove 2503, and the inner end of sliding bar 2505 is equipped with guide pad
2504, guide pad 2504 is pierced by guide groove 2503, and guide pad 2504 and 2503 clearance fit of guide groove, and setting can be right in this way
Sliding bar 2505 plays guiding and position-limiting action, guarantees that sliding bar 2505 is steady in 2507 internal slide of sliding cavity.
Using the above structure, when use device, straw is pressed into inside material feeding bucket 10, the bullet of Packing spring 1104 is overcome
Power makes the decline of sealing plate 1102 to release the sealing to material feeding bucket 10, straw is added inside netted cylinder 5, opens liquid-filling valve
7, by reaction solution injection pipe 6 to the reaction solution for injecting needs inside reaction tube 3, reaction solution is by making netted inside net box 8
Inside solid acid dissolution and entrance reaction tube 3 inside box 8, stirring motor 1 is rotated forward, and passes through agitating shaft 12 and drives stirring blade 13
It is rotated with helical blade 14, straw is stirred, straw is come into full contact with reaction solution and mixes, in adding for reaction heater 4
It under heat effect, is reacted, generates levulic acid；After the reaction was completed, stirring motor 1 inverts, and drives spiral by agitating shaft 12
Blade 14 rotates, and is compressed by helical blade 14 to the residue after straw reaction, is easy to implement the complete of reaction mixture
Full discharge, topping-up pump 16 work, and reaction mixture is injected to the filtering inside cartridge filter 21 by outlet tube 15 and catheter 27
In bag 26, driving motor 20 drives cartridge filter 21 to rotate, and realizes the centrifugal filtration to reaction mixture, by distilling heater 18
Heating distillation is carried out to filtered reaction mixture, steams the formic acid inside reaction mixture, and by gas-guide tube 29 into
Enter inside reaction tube 3, be easy to implement the recycling of formic acid, open tapping valve 22, by drain pipe 23 by levulic acid solution
Discharge, is purified convenient for subsequent；Device will filter and distillation combines, and helps to improve production efficiency, can reduce simultaneously
Equipment cost；When reaction mixture is completely into 26 inside of filter bag, it is convenient for by hermatic door 201 by straw reaction residue
It takes out, to continue through material feeding bucket 10 to straw is injected inside netted cylinder 5, is convenient for continuous production, helps to improve production effect
Rate.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of straw hydrolyzes levulic acid processed and improves device, including reaction rack (2) and distillation rack (19), feature exists
In: reaction rack (2) upper end is equipped with reaction tube (3), is equipped with reaction solution injection pipe (6) on the outside of the reaction tube (3),
Reaction solution injection pipe (6) outer end is equipped with liquid-filling valve (7), and the reaction solution injection pipe (6) is protruded into the reaction tube (3)
Portion；Reaction tube (3) upper end is equipped with cover (9), and cover (9) upper end is equipped with material feeding bucket (10), the material feeding bucket
(10) it is internal to protrude into the reaction tube (3), cover (9) bottom end is equipped with the sealer for sealing the material feeding bucket (10)
Structure (11)；
The sealing mechanism (11) includes guide post (1101), and the guide post (1101) is fixedly mounted on the cover (9) bottom
End face, the guide post (1101) are provided with even number, and are symmetrically distributed in the outlet end two sides of the material feeding bucket (10), described
Guide post (1101) bottom end is equipped with baffle (1103), and Packing spring (1104) and close is equipped on the outside of the guide post (1101)
Sealing plate (1102), the sealing plate (1102) are located at the lower section of the outlet end of the material feeding bucket (10), the Packing spring
(1104) between the sealing plate (1102) and the baffle (1103)；
Reaction tube (3) inner wall is equipped with net box (8) and reaction heater (4), the net box (8) and the reaction solution
Injection pipe (6) is connected, and is placed with solid acid inside the net box (8)；Netted cylinder is installed inside the reaction tube (3)
(5), the netted cylinder (5) is located at the lower section of the material feeding bucket (10)；Stirring motor is installed inside the reaction rack (2)
(1), the output end of the stirring motor (1) protrudes into netted cylinder (5) inside, the output end installation of the stirring motor (1)
Have agitating shaft (12), stirring blade (13) and helical blade (14) are installed from top to bottom on the outside of the agitating shaft (12)；It is described
The inner top of reaction rack (2) is provided with hermatic door (201), and the hermatic door (201) is connected with the netted cylinder (5)；
Distillation rack (19) upper end is equipped with distillation tube (17), and the outside of the distillation tube (17) is equipped with topping-up pump
(16), the arrival end of the topping-up pump (16) is connected by outlet tube (15) with the reaction tube (3), the topping-up pump (16)
Outlet end be equipped with catheter (27), it is internal that the catheter (27) protrudes into the distillation tube (17)；The distillation tube (17)
Top be equipped with gas-guide tube (29), it is internal that the reaction tube (3) is protruded into the outlet end that the gas-guide tube (29) is protruded into, the steaming
The inner wall for evaporating cylinder (17) is equipped with distillation heater (18)；The bottom of the distillation tube (17) is equipped with drain pipe (23), described
The end of drain pipe (23) is equipped with tapping valve (22)；
The inner top of distillation rack (19) is equipped with driving motor (20), and the output end of the driving motor (20) protrudes into institute
It is internal to state distillation tube (17), the output end of the driving motor (20) is equipped with cartridge filter (21), and the cartridge filter (21) is internal
Filter bag (26) are installed.
2. a kind of straw according to claim 1 hydrolyzes levulic acid processed and improves device, it is characterised in that: the material feeding bucket
(10) outlet end uses leaning device.
3. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 1, it is characterised in that: the stirring blade
(13) it is interspersed on the outside of the agitating shaft (12) in the upward mode of spiral.
4. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 1, it is characterised in that: the net box
(8) upper end is provided with opening.
5. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 1, it is characterised in that: the cartridge filter
(21) fixed blade (24) are installed on the outside of.
6. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 1, it is characterised in that: the gas-guide tube
(29) arrival end is equipped with gas collection bucket (28).
7. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 1, it is characterised in that: the distillation tube
(17) inner wall is equipped with stabilizing mechanism (25), and the stabilizing mechanism (25) includes fixed link (2501), the fixed link
(2501) it is internally provided with sliding cavity (2507), sliding is installed by buffer spring (2502) inside the sliding cavity (2507)
Bar (2505), the sliding bar (2505) are pierced by the sliding cavity (2507), and the outer end of the sliding bar (2505) is by turning
Axis is equipped with pulley (2506), and the pulley (2506) is in contact with the outer wall of the cartridge filter (21).
8. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 7, it is characterised in that: the stabilizing mechanism
(25) it is provided with even number, and symmetrical.
9. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 7, it is characterised in that: the sliding bar
(2505) outer diameter is equal with the internal diameter of the sliding cavity (2507), and is gap-matched.
10. a kind of straw hydrolyzes levulic acid processed and improves device according to claim 9, it is characterised in that: the sliding cavity
(2507) inner wall is provided through guide groove (2503), and the inner end of the sliding bar (2505) is equipped with guide pad (2504),
The guide pad (2504) is pierced by the guide groove (2503), and the guide pad (2504) and the guide groove (2503) gap
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118129.7A CN109248640A (en) | 2018-09-26 | 2018-09-26 | A kind of straw hydrolysis levulic acid processed improves device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118129.7A CN109248640A (en) | 2018-09-26 | 2018-09-26 | A kind of straw hydrolysis levulic acid processed improves device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109248640A true CN109248640A (en) | 2019-01-22 |
Family
ID=65046934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811118129.7A Pending CN109248640A (en) | 2018-09-26 | 2018-09-26 | A kind of straw hydrolysis levulic acid processed improves device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118142449A (en) * | 2024-04-03 | 2024-06-07 | 江苏瑞佳新材料有限公司 | Esterification reaction tower for producing food-grade glyceryl triacetate |
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Application publication date: 20190122 |