CN107602724B - Chitin production device - Google Patents
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- CN107602724B CN107602724B CN201710859385.0A CN201710859385A CN107602724B CN 107602724 B CN107602724 B CN 107602724B CN 201710859385 A CN201710859385 A CN 201710859385A CN 107602724 B CN107602724 B CN 107602724B
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Abstract
The invention provides a chitin production device, which belongs to the field of chitin production and comprises a barrel, a bracket and a barrel cover, wherein an observation window is arranged on the side wall of the barrel, a controller is arranged at the right upper part of the outer side of the barrel, a liquid adding device is arranged at the right side of the barrel, and a discharging device, a liquid discharging device and a monitoring device are further arranged below the barrel; the heating pipe is arranged on the inner wall of the cylinder body, is connected with a heating device and sprays high-temperature gas into the cylinder body through a nozzle, and the stirring part is also arranged in the cylinder body. The device can realize the serialization of four procedures of alkali boiling, water washing, acid leaching and water washing, can monitor physicochemical indexes such as temperature, pressure, pH value and viscosity in the device in real time in the production process, can ensure that the feed liquid can be sheared, crushed, mixed and stirred and uniformly heated in a polar block manner, improves the mixing efficiency and the reaction degree of the feed liquid, and has higher application value.
Description
Technical Field
The invention relates to the field of chitin production, in particular to a chitin production device.
Background
Chitin (Chitin) was discovered in 1811 by brakeno, a french scholar, and was extracted from crustacean shells in 1823 by oegill and named. The appearance of the water-soluble salt is light beige to white, and the water-soluble salt is soluble in concentrated hydrochloric acid, phosphoric acid, sulfuric acid and the like, insoluble in alkali and other organic solvents and insoluble in water. Chitin is the only positively charged positive dietary fiber. The chemical structure of chitin is very similar to that of plant cellulose. All are polymers of six-carbon sugar, and the molecular weight is more than 100 ten thousand. The basic unit of cellulose is glucose, which is a polymer formed by connecting 300 to 2500 glucose residues through an al, 4 glycoside chain. The basic unit of chitin is acetylglucosamine, which is a polymer formed by connecting 1000-3000 acetylglucosamine residues through p1, 4 glucoside chains. And the basic unit of chitosan is glucosamine.
The chitosan is a cationic natural polymer, has good effect of controlling microorganisms/bacteria/mould, can be applied to food preservation and food inner packaging, is non-toxic and pollution-free, is sprayed on fruits which are cleaned or peeled off, is colorless and odorless and ventilates, does not need to remove films when being eaten, and can also be applied to dye, paper, water treatment and the like. Can be used as pesticide and plant antiviral agent in agriculture. It is used as fish feed in fishery. Cosmetic cosmetics, hair protection, moisturizers, etc. The medical articles can be used as contact lenses, artificial skin, suture, artificial dialysis membrane, artificial blood vessels, etc. The chitin demand is huge, but at present, no integrated equipment for continuously realizing a chitin production process exists.
Disclosure of Invention
The invention aims to provide a chitin production device, which can realize continuous operation of four working procedures of alkali boiling, water washing, acid leaching and water washing, and can efficiently mix and heat feed liquid.
The technical scheme adopted by the invention for realizing the purpose is as follows: a chitin production device comprises a cylinder body and a cylinder cover; the periphery of the barrel is symmetrically provided with supports, the side wall of the barrel is provided with a transparent observation window, the right upper part of the outer side of the barrel is provided with a controller, and the right side of the barrel is provided with a liquid adding device; the heating pipe is arranged on the inner wall of the cylinder body, hot steam is introduced into the heating pipe, one end of the heating pipe is connected with the heating device, the other end of the heating pipe is connected with the heater, and the heater is positioned on the left bracket of the cylinder body and is connected with the water pipe, the power supply and the controller; the discharging device comprises a discharging pipe penetrating through the bottom of the barrel and a storage tank arranged below the barrel, the discharging pipe is connected with the storage tank, and a discharging pipe valve is arranged on the discharging pipe; the liquid drainage device comprises a waste liquid pipe penetrating through the bottom of the barrel and a waste liquid tank arranged below the barrel, the waste liquid pipe is connected with the waste liquid tank, and a waste liquid pipe valve is arranged on the waste liquid pipe; the monitoring device comprises a temperature sensor, a pH sensor and a viscosity sensor which are arranged on the inner wall of the bottom of the cylinder body, and a sensor control box arranged on the bracket, wherein the sensor control box is connected with the sensors through sensor cables; in the continuous production process of chitin, the redundant liquid in the drainage device can be drained, and then the fresh solvent is added to continue processing and production, and meanwhile, the chitin production can be scientific and intelligent by matching with a real-time monitoring device.
The liquid adding device comprises an acid adding box, an alkali adding box and a water adding box which are stacked on the right side of the bracket from top to bottom, the acid adding box, the alkali adding box and the water adding box are respectively connected with the barrel through liquid adding pipes, and liquid adding pipe valves and liquid adding flowmeters are arranged on the liquid adding pipes; by controlling the liquid adding pipe valve, acid liquor, alkali liquor and distilled water can be quantitatively added into the cylinder, so that the continuity of four working procedures of alkali boiling, water washing, acid leaching and water washing is realized, and the production efficiency of chitin is improved.
The left upper part of the barrel is provided with a twisting part which is connected with and seals the connecting part of the barrel and the barrel cover, the right upper part of the barrel is provided with an opening and closing part which is connected with the barrel and the barrel cover, the upper end of the barrel cover is also provided with a feed inlet and a pressure relief opening, the pressure relief opening penetrates through the barrel cover and is connected with the inside of the barrel, and the inner wall of the barrel cover is also provided with a pressure; the barrel cover is further provided with a transmission shaft penetrating through the barrel cover, the upper end of the transmission shaft is connected with a motor, the lower end of the transmission shaft is connected with a rotating shaft through a transmission part, the rotating shaft is arranged inside the barrel body and coaxial with the barrel body, and a stirring part is arranged on the lower portion of the rotating shaft.
Preferably, the stirring part comprises a first-stage stirring impeller and a second-stage stirring impeller, the first-stage stirring impeller and the second-stage stirring impeller are both fixedly arranged at the lower part of the rotating shaft, the first-stage stirring impeller and the second-stage stirring impeller are arranged in a staggered mode, and the degree of a staggered included angle is 30-45 degrees; the stirring part adopts two stages of stirring impellers, so that the stirring efficiency can be improved, the mixing degree of the material liquid can be increased, and the energy and the time can be saved; aiming at different chitin raw materials, the stirring performance of the device can be flexibly changed by adjusting the dislocation included angle between the first-stage stirring impeller and the second-stage stirring impeller, and the energy and the time are saved while the chitin production is completed.
Preferably, a cutter is arranged between adjacent impellers of the first-stage stirring impeller and the second-stage stirring impeller, the cutter is in a filament shape, and the cutter is made of steel wires or ultra-high molecular weight polyethylene or polypropylene or aramid fibers; set up filiform cutter between one-level impeller and second grade impeller, under the prerequisite that does not reduce stirring part stirring effect, can cut the material that gets into in the stirring part and smash to improve production efficiency, increase of production, the cutter is made for the high strength material moreover, and the wearing and tearing volume is less in process of production, practices thrift the cost.
Preferably, the adjacent two ends of the first-stage stirring impeller and the second-stage stirring impeller are respectively connected with a connecting blade, an included angle exists between the connecting blade and the horizontal plane, the degree of the included angle is 30-45 degrees, an included angle exists between the blade and the direction of the linear speed of the end part of the first-stage stirring impeller, and the degree of the included angle is 30-45 degrees; the blades and the linear speed direction of the end part of the impeller form an included angle, so that high-temperature feed liquid outside the primary stirring impeller can be transferred to the central area of the cylinder body through the pushing action of the blades; simultaneously, there is the contained angle between connecting blade and the horizontal plane, can make the feed liquid of first one of barrel shift to the lower half position of cylinder body through the impetus of blade and cut the mixture, and the barrel is inside to have two strands of impetus, improves the mixing uniformity and the heating homogeneity of feed liquid, promotes going on rapidly of feed liquid reaction, has improved efficiency.
Preferably, the heating device comprises a transfer valve and air injection micro-pipes, wherein the transfer valve is in a hollow ellipsoidal shape and is horizontally arranged, a plurality of air injection micro-pipes extend out of the horizontal position in the middle of the transfer valve, the air injection micro-pipes are connected with the barrel through nozzles, the included angle between the injection direction of the nozzles and the tangential direction of the positions of the nozzles on the inner wall surface of the barrel is 6-8 degrees, and the injection direction of the nozzles is opposite to the stirring direction of the stirring component in the barrel; high-temperature gas is blown into the heating pipe by the heater, enters the transit valve through the heating pipe, is shunted by the transit valve to enter the plurality of air injection micro-pipes and is sprayed out by the nozzles at the tail ends of the air injection micro-pipes, so that the feed liquid in the cylinder body can be heated; the inner wall of the cylinder is provided with densely distributed air injection micro-pipes and nozzles, the nozzles spray high-speed high-temperature gas, so that a continuous high-temperature gas isolation layer can be formed between the feed liquid and the inner wall of the cylinder, the gas content in the high-temperature gas isolation layer is higher, the feed liquid content is reduced, the high-temperature gas isolation layer can push the feed liquid near the inner wall of the cylinder to move along the high-temperature gas injection direction, meanwhile, the stirring of the stirring part enables the feed liquid in the central area of the cylinder to move in the opposite direction, under the two opposite-direction driving forces, the convection action between the feed liquid can be greatly enhanced, the heat transfer and mixing effects of the feed liquid can be greatly improved, the production efficiency is improved, the energy consumption.
Preferably, a semispherical hole is formed in the middle of the bottom of the transfer valve, the bottom of the spherical hole is connected with a heating pipe, a spherical valve ball is arranged in the transfer valve and made of rubber or polyurethane, the diameter of the valve ball is equal to that of the semispherical hole, a superfine elbow protruding in the vertical direction is further arranged in the middle of the air injection micro-pipe, and the aperture of the superfine elbow is smaller than that of the air injection micro-pipe; when the heater is normally started, high-temperature high-speed gas in the heating pipe pushes the valve ball open, and the high-temperature gas uniformly enters the plurality of gas injection micro-pipes and is sprayed out through the nozzles to finish heating and stirring of the material liquid in the cylinder; when the heater is closed, the valve ball is stopped at the position of the hemispherical hole under the action of gravity, so that gas in the transit valve can be prevented from flowing back into the heating pipe, meanwhile, because the gas injection microtubes are horizontally arranged in the transit valve, the pressure intensity in each gas injection microtube which is divided by the transit valve is the same, and the pressure intensity is the same according to a formula
In the formula, Q is flow volume, R is diameter of the micro-pipe, mu is fluid viscosity coefficient, delta P is pressure difference between two ends of the micro-pipe, L is length of the micro-pipe, and pressures in the air injection micro-pipe and the transfer valve are equal, so that delta P =0, and then Q =0, namely liquid in the cylinder body cannot flow back into the air injection micro-pipe, so that the air injection micro-pipe is prevented from being corroded by feed liquid, the service life of the device is prolonged, and the cost is saved.
The invention has the beneficial effects that: the chitin production device in the method can monitor the physicochemical indexes such as pressure, temperature, pH value, viscosity and the like in the reaction cylinder in real time in the production process, can realize four procedures of alkali boiling, water washing, acid leaching and water washing in the same device, and is convenient for controlling production; the stirring part adopts two stages of stirring impellers, so that the stirring efficiency can be improved, the mixing degree of the material liquid can be increased, and the energy and the time can be saved; the connecting blades in the stirring component provide two mutually perpendicular pushing actions of the periphery to the center and the upper part to the lower part for the interior of the cylinder body, so that the mixing uniformity and the heating uniformity of the feed liquid can be effectively improved, the reaction of the feed liquid is promoted to be rapidly carried out, and the production efficiency is improved; the high-speed high-temperature gas ejected by the nozzle can push the feed liquid near the inner wall of the cylinder to move along the gas ejection direction, the stirring of the stirring component enables the feed liquid in the central area of the cylinder to move in the opposite direction, under the two driving forces in the opposite directions, the convection action between the feed liquid can be greatly enhanced, the heat transfer and mixing effects of the feed liquid can be greatly improved, the chitin production efficiency is improved, the energy consumption is reduced, and the cost is reduced.
The chitin production device provided by the invention adopts the technical scheme, overcomes the defects of the prior art, and is reasonable in design and convenient to operate.
Drawings
FIG. 1 is a schematic view of a chitin production apparatus according to the present invention;
FIG. 2 is a schematic view of a stirring member of a chitin production apparatus according to the present invention;
FIG. 3 is a schematic view of a first-stage stirring impeller of a chitin production apparatus according to the present invention;
fig. 4 is a schematic view of the connection between a transfer valve and a gas injection micro-tube of the chitin production device.
Description of reference numerals: 1. a support; 2. a barrel; 20. heating a tube; 201. a transfer valve; 202. a gas injection microtube; 203. a superfine elbow; 204. a nozzle; 205. a valve ball; 21. a twisted portion support frame; 22. an opening and closing part; 23. a twisted portion; 24. an observation window; 25. a heater; 26. the inner wall of the cylinder body; 3. a cylinder cover; 30. an electric motor; 31. a drive shaft; 32. a transmission section; 33. a pressure sensor; 34. a pressure relief port; 35. a feed inlet; 4. a liquid feeding pipe; 40. adding an acid box; 41. adding an alkali box; 42. adding a water tank; 43. a filler tube valve; 44. a liquid charging flow meter; 5. a controller; 6. a material storage tank; 60. a discharge pipe; 61. a discharge tube valve; 7. a waste liquid tank; 70. a waste liquid pipe; 71. a waste pipe valve; 8. a rotating shaft; 80. a first-stage stirring impeller; 81. connecting the blades; 82. a second-stage stirring impeller; 83. a cutter; 9. a sensor control box; 90. a temperature sensor; a pH sensor; 92. a viscosity sensor; 93. a sensor cable.
Detailed Description
The following is described in further detail in connection with the examples and the figures:
example 1:
as shown in fig. 1-4, a chitin production device comprises a cylindrical hollow cylinder 2, a bracket 1 for supporting the cylinder 2, and a cylinder cover 3 for sealing the cylinder 2, wherein the bracket 1 is symmetrically arranged around the cylinder 2 and plays a role of supporting the cylinder 2; a transparent observation window 24 is arranged on the side wall of the cylinder body 2, and a controller 5 is arranged at the right upper part of the outer side of the cylinder body 2; the heating pipe 20 is arranged on the inner wall 26 of the cylinder body, hot steam is introduced into the heating pipe 20, one end of the heating pipe 20 is connected with the liquid adding device, the other end is connected with the heater 25, and the heater 25 is positioned on the left bracket of the cylinder body 2 and is connected with the water pipe, the power supply and the controller 5; the bottom of the barrel body 2 is sequentially provided with a discharging device, a liquid discharging device and a monitoring device from left to right, the discharging device comprises a discharging pipe 60 penetrating through the bottom of the barrel body 2 and a storage tank 6 arranged below the barrel body 2, the discharging pipe 60 is connected with the storage tank 6, and a discharging pipe valve 61 is arranged on the discharging pipe 60; the liquid drainage device comprises a waste liquid pipe 70 penetrating through the bottom of the cylinder body 2 and a waste liquid tank 7 arranged below the cylinder body 2, the waste liquid pipe 70 is connected with the waste liquid tank 7, and a waste liquid pipe valve 71 is arranged on the waste liquid pipe 70; the monitoring device comprises a temperature sensor 90, a pH sensor 91 and a viscosity sensor 92 which are arranged on the inner wall of the bottom of the cylinder body 2, and a sensor control box 9 arranged on the bracket 1, wherein the sensor control box 9 is connected with the sensors through a sensor cable 93; the liquid adding device comprises an acid adding box 40, an alkali adding box 41 and a water adding box 42 which are stacked on the right side of the bracket 2 from top to bottom, the acid adding box 40, the alkali adding box 41 and the water adding box 42 are respectively connected with the barrel body 2 through a liquid adding pipe 4, and a liquid adding pipe valve 43 and a liquid adding flowmeter 44 are arranged on the liquid adding pipe 4; by controlling the liquid feeding pipe valve 43, acid liquor, alkali liquor and distilled water can be quantitatively added into the cylinder 2, so that the four procedures of alkali boiling, water washing, acid leaching and water washing are continuously carried out, and the production efficiency of chitin is improved.
The left upper part of the cylinder 5 is provided with a twisting part 23 which is connected with and seals the connection part of the cylinder 2 and the cylinder cover 3, the right upper part of the cylinder 2 is provided with an opening and closing part 22 which is connected with the cylinder 2 and the cylinder cover 3, the upper end of the cylinder cover 3 is also provided with a feed inlet 35 and a pressure relief port 34, the pressure relief port 34 penetrates through the cylinder cover 3 and is connected with the inside of the cylinder 2, and the inner wall of the cylinder cover 3 is also provided with a pressure sensor 33; the cover 3 is further provided with a transmission shaft 31 penetrating through the cover 3, the upper end of the transmission shaft 31 is connected with a motor 30, the lower end of the transmission shaft 31 is connected with a rotating shaft 31 through a transmission part 32, the rotating shaft 31 can rotate and is detachably connected with the bottom of the barrel 2, and the lower part of the rotating shaft 31 is provided with a stirring part.
The stirring part comprises a primary stirring impeller 80 and a secondary stirring impeller 82, and the primary stirring impeller 80 and the secondary stirring impeller 82 are fixedly arranged at the lower part of the rotating shaft 5; the stirring part adopts two-stage impeller, can improve stirring efficiency, can also increase feed liquid atress region, and the shearing force of increase feed liquid promotes the feed liquid and accelerates to mix, increases feed liquid mixing degree, the energy can be saved and time.
A cutter 83 is arranged between adjacent impellers of the first-stage stirring impeller 80 and the second-stage stirring impeller 82, the cutter 83 is in a filament shape, and the cutter 83 is made of steel wires or ultrahigh molecular weight polyethylene or polypropylene or aramid fibers; set up filiform cutter 83 between one-level impeller 80 and second grade impeller 83, under the prerequisite that does not reduce stirring part stirring effect, can cut the material that gets into in the stirring part and smash to improve production efficiency, increase of production, the cutter is made for the high strength material moreover, and wearing and tearing are less in process of production, practices thrift the cost.
The first-stage stirring impeller 80 and the second-stage stirring impeller 82 are arranged in a staggered mode, the degree of the staggered angle is 30 degrees, the two adjacent ends of the first-stage stirring impeller 80 and the second-stage stirring impeller 82 are respectively connected with a connecting blade 81, an included angle exists between the connecting blade 81 and the horizontal plane, the degree of the included angle is 30 degrees, an included angle exists between the connecting blade 81 and the linear velocity direction of the end portion of the first-stage stirring impeller 80, and the degree of the included angle is 30 degrees; a staggered included angle is formed between the first-stage stirring impeller 80 and the second-stage stirring impeller 82, so that local material liquid can be continuously stirred and mixed, and the stirring efficiency is improved; connecting blade 81 and one-level impeller 80 tip linear velocity direction have the contained angle, can make the outside high temperature feed liquid of one-level impeller 80 shift to the central zone of barrel 2 through connecting blade 81's impetus, simultaneously, there is the contained angle between connecting blade 81 and the horizontal plane, can make the feed liquid that lies in stirring part upper portion in the barrel 2 shift to the stirring region of barrel 2 lower half position through connecting blade 81's impetus and cut the mixture, connecting blade 81 provides two strands of mixing action in barrel 2 inside, respectively from last to down with from peripheral to center, the mixing uniformity and the heating uniformity of feed liquid can be improved to two strands of mixing action's synergism, promote going on fast of feed liquid reaction, the efficiency is improved.
Accurately weighing 8g of N- (3, 4-dimethoxyphenyl) acrylamide-4-vinylphenyltrimethoxysilane copolymer, 25g of butanone, 4g of chlorinated paraffin, 15g of colloidal calcium carbonate, 9g of nonanoic vanilloylamine, 0.03g of L- (+) -2, 3-dihydroxypropionic acid, 0.15g of L- (-) -2, 3-dihydroxypropionic acid, 22g of zinc oxide and 4g of cuprous oxide, uniformly mixing the components, placing the mixture in a paint oscillator containing 44g of zirconium beads, oscillating the mixture at normal temperature for 3 hours, filtering the mixture by using an 80-mesh filter to obtain the anti-sticking anticorrosive paint, and coating the anti-sticking anticorrosive paint on the surfaces of a primary stirring impeller 80, a secondary stirring impeller 82 and a connecting blade 81; the anti-sticking corrosion-resistant coating can form a compact and stable isolation layer on the surfaces of the impeller and the blades, the isolation layer has strong acid-base corrosion resistance, can protect the impeller and the blades from being corroded by acid and alkali in long-term use, and meanwhile, the coating has strong antifouling performance, can effectively prevent feed liquid from fouling and adhering to the impeller and the blades, reduces the cleaning frequency of the impeller and the blades, and saves time cost and labor cost; the L- (+) -2, 3-dihydroxypropionic acid and the L- (-) -2, 3-dihydroxypropionic acid in special proportion can play a role in adjusting the stability of each component of the anti-sticking and anti-corrosive paint, can adjust the activity and anisotropy of each component, increase the uniformity and compactness of the paint, ensure that the coating does not peel or fall off after long-term use, prolong the service life of the substrate and reduce the cost.
The heating pipe 20 in the inner wall 26 of the cylinder body is fixedly connected with a transfer valve 201, the transfer valve 201 is in a hollow ellipsoidal shape and is horizontally arranged, the middle horizontal position of the transfer valve 201 extends out of a plurality of air injection micro pipes 202, the air injection micro pipes 202 are connected with the cylinder body 2 through nozzles 204, a semispherical surface hole is formed in the middle of the bottom of the transfer valve 201, the bottom of the spherical surface hole is connected with the heating pipe 20, a spherical valve ball 205 is arranged in the transfer valve 201, the valve ball 205 is made of rubber or polyurethane, the diameter of the valve ball 205 is equal to that of the semispherical surface hole, a vertically-protruding superfine elbow 203 is further arranged in the middle of the air injection micro pipes 202, the aperture of the superfine elbow 203 is smaller than that of the air injection micro pipes 202, and the injection direction of the; the inner wall 26 of the cylinder is provided with densely distributed air injection micro-pipes 202 and nozzles 204, the nozzles 204 inject high-speed high-temperature gas, so that a continuous high-temperature gas isolation layer can be formed between the material liquid and the inner wall 26 of the cylinder, the gas content in the high-temperature gas isolation layer is higher, the material liquid content is reduced, the high-temperature gas isolation layer can push the material liquid near the inner wall 26 of the cylinder to move along the high-temperature gas injection direction, meanwhile, the stirring of the stirring part enables the material liquid in the central area of the cylinder 2 to move in the opposite direction, under the driving force of two opposite directions, the convection action between the material liquid can be greatly enhanced, the heat transfer and mixing effects of the material liquid can be greatly improved, the production efficiency of chitin is improved, the energy. When the heater 20 is closed, the valve ball 205 is stopped at the hemispherical hole under the action of gravity, so that gas in the transfer valve 201 can be prevented from flowing back into the heating pipe 20, that is, liquid in the cylinder 2 cannot flow back into the gas injection microtube 202, the gas injection microtube 202 can be prevented from being corroded by feed liquid, the service life of the device is prolonged, and the cost is saved.
The conventional techniques or connections in the above embodiments are known to those skilled in the art, such as the installation of elastic springs, and therefore will not be described in detail herein.
Example 2:
as shown in fig. 1-4, when a chitin production device works, a bracket 1 is installed and fixed, raw materials for producing chitin are added from a feeding port 35, then a liquid feeding pipe valve 43 is opened to feed distilled water into a cylinder 2 from a water feeding tank 42, a heater 25 is started to heat feed liquid in the cylinder 2, a motor 30 is started to start a stirring part, hot water is heated for washing to remove impurities in the raw materials, and a waste liquid pipe valve 71 is opened after the impurities are removed to discharge waste liquid through a waste liquid pipe 70; after washing, performing an alkali boiling procedure, opening a liquid adding pipe valve 43, adding alkali liquor into the barrel 2 from the alkali adding box 41 for alkali boiling, and discharging waste alkali liquor after alkali boiling; then circularly carrying out water washing, acid washing and water washing, and continuously carrying out four working procedures of alkali boiling, water washing, acid leaching and water washing in the device. In the production process, the physical and chemical indexes of the feed liquid in the cylinder body can be monitored in real time through the temperature sensor 90, the pH sensor 91 and the viscosity sensor 92, so that the stability and the accuracy of chitin production are realized.
As shown in fig. 1-4, in a chitin production device, when a stirring component works, a connecting blade 81 forms an acute angle with a horizontal plane, and when the connecting blade 81 rotates along with a primary stirring impeller 80, the inclination angle between the connecting blade 81 and the plane of the primary stirring impeller 80 is designed to enable the connecting blade 81 to bring a material liquid above the stirring component to a region between the primary stirring impeller 80 and a secondary stirring impeller 82, and the material liquid is subjected to a shearing force in the region to complete mixing; the material liquid is heated in the area of the inner wall 26 of the cylinder to be heated, and simultaneously the linear velocity of the connecting blades 81 and the end of the primary stirring impeller 80 forms an acute angle, the acute angle refers to the area between the two connecting blades 81, the high-temperature material in the area of the inner wall 26 of the cylinder is brought by the connecting blades 81, the high-temperature material is subjected to shearing force in the area, and is cut and crushed by the cutting knife, and then the mixing is completed. The stirring component has two mutually perpendicular pushing effects on the material from top to bottom and from the cylinder wall to the central area, so that the material liquid is promoted to be sheared, crushed, mixed, stirred and uniformly heated, the mixing efficiency and the reaction degree of the material liquid are improved, and the application value is high.
When the heater 25 is turned on, high-speed high-temperature gas enters the transfer valve 201 through the heater 25 and the heating pipe 20, and then passes through the gas injection micro-pipe 202 and is injected into the cylinder 2 from the nozzles 204 densely distributed on the inner wall 26 of the cylinder, so that a continuous high-speed high-temperature gas isolation layer can be formed between the material liquid and the inner wall 26 of the cylinder, the gas content in the high-speed high-temperature gas isolation layer is higher, the material liquid content in the high-speed high-temperature gas isolation layer is reduced, the high-temperature gas isolation layer can push the material liquid near the inner wall 26 of the cylinder to move along the high-temperature gas injection direction, meanwhile, the material liquid in the central area of the cylinder 2 moves in the opposite direction due to the stirring of the stirring part, under the driving forces in the two opposite directions.
The anti-sticking corrosion-resistant coating is not limited to be arranged on the surfaces of the first-stage stirring impeller 80, the second-stage stirring impeller 82 and the connecting blades 81, and can also be arranged on the inner wall of the cylinder 2, the inner wall of the bottom of the cylinder 2 and the nozzle 204.
The dislocation included angle degree between the first-stage stirring impeller (80) and the second-stage stirring impeller (82) is not limited to 30 degrees to 45 degrees, but also can be 30 degrees, 31 degrees, … … degrees, 44 degrees and 45 degrees.
Conventional techniques in the above embodiments are known to those skilled in the art, and therefore, will not be described in detail herein.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides a chitin apparatus for producing, includes barrel (2), cover (3), its characterized in that: the device is characterized in that supports (1) are symmetrically arranged on the periphery of the barrel (2), a discharging device, a liquid discharging device and a monitoring device are sequentially arranged below the barrel (2), a liquid adding pipe (4) is arranged on the right side of the barrel (2), one end of the liquid adding pipe (4) extends into the barrel (2), the other end of the liquid adding pipe is connected with the liquid adding device, and a controller (5) is arranged on the upper right portion of the outer side of the barrel (2); a heater (25) is arranged at the left upper part of the outer side of the cylinder body (2), the heater (25) is connected with one end of a heating pipe (20), and the other end of the heating pipe (20) is connected with a heating device arranged in the wall of the cylinder body (2); the barrel (2) is connected with the barrel cover (3) through a twisting part (23) and an opening and closing part (22) which are respectively arranged at the left upper part and the right upper part, a transmission shaft (31) penetrating through the barrel cover (3) is arranged on the barrel cover (3), the upper end of the transmission shaft (31) is connected with a motor (30), the lower end of the transmission shaft (31) is connected with a rotating shaft (8) through a transmission part (32), the rotating shaft (8) is arranged in the barrel (2) and is coaxial with the barrel (2), a stirring part is arranged at the lower part of the rotating shaft (8),
the heating device comprises a transfer valve (201) and an air injection micro-pipe (202), the transfer valve (201) is in a hollow ellipsoidal shape and is horizontally arranged, the middle part of the transfer valve (201) is connected with a nozzle (204) on the surface of the inner wall (26) of the cylinder body through the air injection micro-pipe (202), the included angle between the injection direction of the nozzle (204) and the tangential direction of the nozzle (204) on the surface of the inner wall (26) of the cylinder body is 6-8 degrees, and the injection direction of the nozzle (204) is opposite to the stirring direction of the stirring component,
a semispherical hole is formed in the center of the bottom of the transfer valve (201), the bottom of the semispherical hole is connected with the heating pipe (20), a spherical valve ball (205) is arranged inside the transfer valve (201), the valve ball (205) is made of rubber, the diameter of the valve ball (205) is equal to that of the semispherical hole,
the stirring component comprises a first-stage stirring impeller (80) and a second-stage stirring impeller (82), the first-stage stirring impeller (80) and the second-stage stirring impeller (82) are fixedly arranged on the lower portion of the rotating shaft (8), two adjacent ends of the first-stage stirring impeller (80) and the second-stage stirring impeller (82) are respectively connected with a connecting blade (81), an included angle is formed between the connecting blade (81) and the horizontal plane, and the degree of the included angle is 30-45 degrees; an included angle exists between the connecting blade (81) and the linear velocity direction of the end part of the first-stage stirring impeller (80), and the degree of the included angle is 30-45 degrees;
a cutter (83) is arranged between adjacent impellers of the first-stage stirring impeller (80) and the second-stage stirring impeller (82), the cutter (83) is in a filament shape, and the cutter (83) is made of steel wires or ultra-high molecular weight polyethylene or polypropylene or aramid fibers.
2. The chitin production device according to claim 1, wherein: the discharging device comprises a discharging pipe (60) penetrating through the bottom of the barrel body (2) and a storage tank (6) arranged below the barrel body (2), the discharging pipe (60) is connected with the storage tank (6), and a discharging pipe valve (61) is arranged on the discharging pipe (60); the liquid drainage device comprises a waste liquid pipe (70) penetrating through the bottom of the barrel body (2) and a waste liquid tank (7) arranged below the barrel body (2), the waste liquid pipe (70) is connected with the waste liquid tank (7), and a waste liquid pipe valve (71) is arranged on the waste liquid pipe (70).
3. The chitin production device according to claim 1, wherein: the monitoring device comprises a temperature sensor (90), a pH sensor (91), a viscosity sensor (92) and a sensor control box (9) which are arranged on the inner wall of the bottom of the barrel body (2) and arranged on the support (1), wherein the sensor control box (9) is connected with the sensors through a sensor cable (93).
4. The chitin production device according to claim 1, wherein: the liquid feeding device comprises an acid feeding box (40), an alkali feeding box (41) and a water feeding box (42) which are stacked on the right side of the support from top to bottom, wherein the acid feeding box (40), the alkali feeding box (41) and the water feeding box (42) are respectively connected with the barrel body (2) through liquid feeding pipes (4), and liquid feeding pipe valves (43) and liquid feeding flow meters (44) are arranged on the liquid feeding pipes (4).
5. The chitin production device according to claim 1, wherein: the first-stage stirring impeller (80) and the second-stage stirring impeller (82) are arranged in a staggered mode, and the degree of a staggered included angle is 30-45 degrees.
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| CN201710859385.0A CN107602724B (en) | 2017-09-21 | 2017-09-21 | Chitin production device |
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| CN201710859385.0A CN107602724B (en) | 2017-09-21 | 2017-09-21 | Chitin production device |
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| CN109651530B (en) * | 2018-12-25 | 2020-09-18 | 华中科技大学 | Chitosan extraction device and equipment for recycling crustacean solid waste |
| CN109796542B (en) * | 2018-12-25 | 2020-09-18 | 华中科技大学 | System and method for recycling crustacean solid waste |
| CN113368529B (en) * | 2021-04-29 | 2022-11-18 | 石家庄回头马生物科技有限公司 | Lycoris radiata hydrobromide galanthamine acid water leaching device |
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| CN201228255Y (en) * | 2008-04-29 | 2009-04-29 | 南京师范大学 | Washing and vacuum suction filter combining apparatus during chitin manufacture process |
| CN202516542U (en) * | 2012-03-06 | 2012-11-07 | 美药星（南京）制药有限公司 | PH and temperature automatic control system for reaction kettle |
| CN203494407U (en) * | 2013-09-02 | 2014-03-26 | 海斯摩尔生物科技有限公司 | Dissolver for pure chitosan spinning solution |
| CN203778074U (en) * | 2014-03-31 | 2014-08-20 | 苏州润弘贸易有限公司 | Printing and dyeing auxiliary production equipment |
| CN205650198U (en) * | 2016-05-11 | 2016-10-19 | 金溪县绿萃香精香料有限公司 | Draw reation kettle for guaiacol |
| CN207591842U (en) * | 2017-09-13 | 2018-07-10 | 林仕长 | A kind of novel chemical reacts kettle device |
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Effective date of registration: 20221201 Address after: No. 30, Shiqiaotou, Dingjia Village Committee, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, 213002 Patentee after: Changzhou pufeite Agricultural Technology Co.,Ltd. Address before: 316000 plot C2-10, Xiaohui Industrial Zone, Putuo Zhanmao, Putuo marine science and Technology Industrial Park, Zhoushan City, Zhejiang Province Patentee before: Zhejiang Ocean University |