CN113351136A - Sodium diacetate preparation device and method - Google Patents
Sodium diacetate preparation device and method Download PDFInfo
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- CN113351136A CN113351136A CN202110622853.9A CN202110622853A CN113351136A CN 113351136 A CN113351136 A CN 113351136A CN 202110622853 A CN202110622853 A CN 202110622853A CN 113351136 A CN113351136 A CN 113351136A
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- hopper
- sodium diacetate
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- 235000017454 sodium diacetate Nutrition 0.000 title claims abstract description 36
- OPGYRRGJRBEUFK-UHFFFAOYSA-L disodium;diacetate Chemical compound [Na+].[Na+].CC([O-])=O.CC([O-])=O OPGYRRGJRBEUFK-UHFFFAOYSA-L 0.000 title claims abstract description 35
- 239000001632 sodium acetate Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 30
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 30
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 15
- 235000017550 sodium carbonate Nutrition 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000019629 palatability Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
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- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of sodium diacetate preparation, in particular to a sodium diacetate preparation device and a sodium diacetate preparation method, and the device comprises a reaction kettle, a kettle cover, a condenser and a stirring shaft, wherein the top end of the reaction kettle is fixedly provided with the kettle cover, the upper surface of the kettle cover is fixedly provided with the stirring shaft, one side of the stirring shaft is provided with a first feeding pipe, the other side of the stirring shaft is provided with a second feeding pipe, the reaction kettle comprises a kettle body, the interior of the kettle body is integrally connected with an inner barrel, the lower surface of the inner barrel is integrally connected with a discharge pipe, the outer surface of the inner barrel is provided with an electromagnetic valve, the outer surfaces of two sides of the kettle body are respectively fixedly provided with a liquid inlet pipe and a liquid outlet pipe, the lower part of the inner barrel is provided with a cooling filter rod, and the outer surface of the cooling filter rod is provided with a filter return pipe. The invention has an integrated filtering and discharging mechanism and a backflow filter rod, and can directly recycle water.
Description
Technical Field
The invention relates to the technical field of sodium diacetate preparation, in particular to a device and a method for preparing sodium diacetate.
Background
The sodium diacetate with the molecular formula of C4H7NaO4, also known as sodium diacetate and sodium diacetate with the trade name of Vita-crop (vitamin cola) is a novel food feed mildew preventive, sour agent and modifying agent with stable property and low price, is determined as a safe substance by the food and drug administration, has the effects of high-efficiency mildew prevention, corrosion prevention, fresh keeping, palatability improvement, nutritive value increase, growth promotion and the like, and is widely applied to livestock and poultry feeds at present.
At present, sodium diacetate is processed by a plurality of methods, the most common method is the reaction of acetic acid and sodium carbonate, when the acetic acid and the sodium carbonate are reacted and prepared, ethanol is required to be added as a solvent or water is required to be used as a solvent to prevent the sodium carbonate from caking, the acetic acid and the sodium carbonate can be repeatedly used as the solvent, however, the existing preparation device can not directly recycle the acetic acid and the sodium carbonate, and the operation is troublesome.
Therefore, it is highly desirable to design a device and a method for preparing sodium diacetate to solve the above problems.
Disclosure of Invention
The invention aims to provide a preparation device and a preparation method of sodium diacetate, which aim to solve the problems that water or ethanol cannot be directly recovered and the operation is troublesome in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation device of sodium diacetate and a method thereof comprise a reaction kettle, a kettle cover, a condenser and a stirring shaft, wherein the top end of the reaction kettle is fixed with the kettle cover, the upper surface of the kettle cover is fixed with the stirring shaft, one side of the stirring shaft is provided with a first feeding pipe, the other side of the stirring shaft is provided with a second feeding pipe, the reaction kettle comprises a kettle body, the interior of the kettle body is integrally connected with an inner barrel, the lower surface of the inner barrel is integrally connected with a discharging pipe, the outer surface of the inner barrel is provided with an electromagnetic valve, the outer surfaces of two sides of the kettle body are respectively fixed with a liquid inlet pipe and a liquid outlet pipe, a cooling filter rod is arranged below the inner barrel, the outer surface of the cooling filter rod is provided with a filter return pipe, the filter return pipe comprises a shell, one end of the shell is fixed with a water outlet pipe, the shell is connected with the cooling filter rod through a return pipe, the other end of the shell is fixed with a return pipe, the top end of the return pipe penetrates through the kettle body and is communicated with the inner cavity of the inner barrel.
Preferably, a condenser is fixed on the upper surface of the kettle cover, the interior of the condenser is communicated with the inner cavity of the inner barrel, and lifting rings are uniformly welded on the upper surface of the kettle cover.
Preferably, the (mixing) shaft includes the fixing base, the fixing base passes through screw and kettle cover fixed connection, the inside of fixing base is fixed with first motor through the screw, the output of first motor has stirring vane through the coupling joint.
Preferably, the cooling filter rod is including arranging the hopper, it is fixed with cauldron body integration connection to arrange the hopper, the bottom of arranging the hopper is the infundibulate, the inside of arranging the hopper is provided with the filter cup, the filter cup includes first cup fill, first cup fill all around with the inner wall connection of cauldron body fixed, the top of first cup fill is the disc, the bottom of first cup fill is the infundibulate, the bottom integration of first cup fill is connected with the passage, the bottom movable mounting of passage has the control valve, the filter screen has evenly been seted up to the bottom surface of first cup fill.
Preferably, the surface cover that first cup was fought is equipped with the condenser pipe, the condenser pipe includes first cylinder, first cylinder passes through the screw fixation on the lower surface that first cup was fought, first connecting piece has been cup jointed to the output of first cylinder, the one end that first connecting piece deviates from first cylinder rotates through the pivot and is connected with the connecting rod, and the one end that the connecting rod deviates from first connecting piece has the second cup to fight through pivot swing joint, the inner wall that the second cup was fought is laminated with the surface that first cup was fought, and the surface that the second cup was fought evenly has seted up the through-hole, and through-hole shape, area, quantity and distribution position are the same with the filter screen, the second cup is fought and is connected with first cup is fought and rotates.
Preferably, the outer surface of the second cup hopper is spirally wound with a spiral pipe, and two ends of the spiral pipe penetrate through the outer surfaces of two sides of the discharge hopper respectively and are welded and fixed with the discharge hopper.
Preferably, the control valve is including connecting the stake, the outer welded fastening of connecting stake and passage, and the one end that the connecting stake deviates from the passage rotates through the pivot and is connected with the valve, the one end outward appearance of valve is discoid and contradicts with the bottom of passage, and the other end of valve is rectangular form and has the second connecting piece through pivot swing joint, the surface of row's hopper has the mounting panel through the bolt fastening, there is cylinder base the inside of row's hopper through pivot swing joint near the mounting panel, cylinder base deviates from the one end of mounting panel and is fixed with the second cylinder, and the output and the second connecting piece of second cylinder are connected fixedly.
Preferably, the inside of the shell is integrally connected with a partition board, the partition board divides the inside of the shell into two chambers, a second motor is fixed in the first chamber, and an impeller is fixed at the output end of the second motor.
Preferably, the lower fixed surface of casing has filtering component, filtering component includes the shell, the shell passes through the bolt and is connected fixedly with the casing, and the top of shell pierces through the casing and offsets with the baffle, the inside of shell is fixed with the inner tube, the surface parcel of inner tube has the filter core, the inside of first cavity and the inside intercommunication of inner tube, and the inside and the second cavity intercommunication of shell.
A preparation method of sodium diacetate comprises the following specific implementation steps:
s1, pressing 3: 1: 2, the chemical formula is as follows: 4C2H4O2+ Na2CO3 ═ 2C4H7NaO4+ H2O + CO2, adding the prepared acetic acid into the inner barrel through a first feeding pipe, and adding sodium carbonate and water into the inner barrel through a second feeding pipe;
s2, waiting for neutralization reaction, heating an inner barrel to 115 degrees indoors, reacting acetic acid and sodium carbonate in the inner barrel, and refluxing for 1H;
s3, cooling and separating out, enabling the semi-finished product to flow into a filter cup by opening an electromagnetic valve, and enabling the semi-finished product to circularly enter cooling liquid through a spiral pipe to cool the filter cup so as to separate out sodium diacetate crystals.
S4, filtering and discharging materials, driving a second cup hopper to rotate through a first air cylinder to expose a filter screen, enabling water energy to flow into a discharging hopper from the filter screen, then flowing into a filter assembly through a water outlet pipe to be filtered, finally discharging the water into an inner barrel through a return pipe, continuing the next production, and driving a valve to be unfolded through a second air cylinder to enable sodium diacetate to be discharged.
Compared with the prior art, the invention has the beneficial effects that: the preparation device and the preparation method of the sodium diacetate have an integrated filtering and discharging mechanism and a reflux filter rod, and can directly recycle water.
Through installing the cooling filter rod in the bottom of interior bucket, the miscella can directly flow into the interior cooling crystallization of filter cup through arranging the material pipe, fights through first cylinder drive second cup and rotates, makes the through-hole coincidence on filter screen and the second cup fill, and water can filter out from the filter screen, and the filter in the backward flow filter pipe that flows in again, filter and accomplish rethread back flow and to interior bucket in, continue to use convenient operation.
Drawings
FIG. 1 is a schematic view of the entire structure of the present invention;
FIG. 2 is a schematic sectional view of A-A of FIG. 1;
FIG. 3 is a partial schematic sectional view of the filter cup and control valve of FIG. 2 in full structural form according to the present invention;
FIG. 4 is a schematic bottom view of the filter cup of FIG. 2 according to the present invention;
FIG. 5 is a schematic bottom view of the filter cup and condenser tube of FIG. 2 according to the present invention;
FIG. 6 is a schematic sectional view of the filter return pipe of FIG. 2 according to the present invention.
In the figure: 1. a reaction kettle; 101. a kettle body; 102. an inner barrel; 103. a liquid inlet pipe; 104. a liquid outlet pipe; 105. a discharge pipe; 106. an electromagnetic valve; 2. a kettle cover; 3. a condenser; 4. a stirring shaft; 401. a fixed seat; 402. a first motor; 403. a stirring blade; 5. a first feed tube; 6. a second feed tube; 7. cooling the filter rod; 701. a discharge hopper; 702. a filter cup; 7021. a first cup; 7022. a material guide pipe; 7023. filtering with a screen; 703. a condenser tube; 7031. a first cylinder; 7032. a first connecting member; 7033. a connecting rod; 7034. a second cup; 704. a spiral tube; 705. a control valve; 7051. connecting piles; 7052. a valve; 7053. a second cylinder; 7054. a second connecting member; 7055. mounting a plate; 7056. a cylinder base; 8. filtering the return pipe; 801. a housing; 802. a partition plate; 803. a second motor; 804. an impeller; 805. a water outlet pipe; 806. a filter assembly; 8061. a housing; 8062. an inner barrel; 8063. a filter element; 9. a return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a first embodiment of the present invention:
a preparation device and a preparation method of sodium diacetate comprise a reaction kettle 1, a kettle cover 2, a condenser 3 and a stirring shaft 4, wherein the kettle cover 2 is fixed at the top end of the reaction kettle 1, the stirring shaft 4 is fixed on the upper surface of the kettle cover 2, a first feeding pipe 5 is arranged on one side of the stirring shaft 4, a second feeding pipe 6 is arranged on the other side of the stirring shaft 4, and the caliber of the second feeding pipe 6 is larger than that of the first feeding pipe 5 and is used for adding solid raw materials.
The reaction kettle 1 comprises a kettle body 101, an inner bucket 102 is integrally connected inside the kettle body 101, a discharging pipe 105 is integrally connected to the lower surface of the inner bucket 102, an electromagnetic valve 106 is mounted on the outer surface of the inner bucket 102, a liquid inlet pipe 103 and a liquid outlet pipe 104 are respectively fixed on the outer surfaces of two sides of the kettle body 101, an external heating medium is connected, steam or high-temperature liquid can be filled into the liquid inlet pipe 103 to heat the inner bucket 102, and the liquid outlet pipe 104 is used for discharging the heating medium, so that the heating medium can circulate in the kettle body 101.
The cooling filter rod 7 is arranged below the inner barrel 102, the filtering return pipe 8 is arranged on the outer surface of the cooling filter rod 7, the filtering return pipe 8 comprises a shell 801, a water outlet pipe 805 is fixed at one end of the shell 801, the shell 801 is connected with the cooling filter rod 7 through the water outlet pipe 805, a return pipe 9 is fixed at the other end of the shell 801, the top end of the return pipe 9 penetrates through the kettle body 101 and is communicated with the inner cavity of the inner barrel 102, and liquid filtered by the filtering return pipe 8 can flow back into the kettle body 101 through the return pipe 9.
Further, as shown in fig. 1, a condenser 3 is fixed on the upper surface of the kettle cover 2, the interior of the condenser 3 is communicated with the inner cavity of the inner barrel 102, steam can be generated by heating objects in the inner barrel 102, the condenser 3 is used for condensing the steam, so that the steam flows back into the inner barrel 102, the loss of the substances is avoided, and the lifting rings are uniformly welded on the upper surface of the kettle cover 2, so that the kettle cover 2 and the reaction kettle 1 are conveniently transported.
Further, as shown in fig. 2, the stirring shaft 4 includes a fixing seat 401, the fixing seat 401 is fixedly connected to the kettle cover 2 through a screw, a first motor 402 is fixed to the inside of the fixing seat 401 through a screw, an output end of the first motor 402 is connected to a stirring blade 403 through a coupling, and the first motor 402 drives the stirring blade 403 to stir substances in the inner barrel 102, so as to prevent sodium carbonate from caking.
Further, as shown in fig. 2 and 4, the cooling filter rod 7 includes a discharge hopper 701, the discharge hopper 701 is integrally connected and fixed with the kettle body 101, the bottom of the discharge hopper 701 is funnel-shaped, a filter cup 702 is arranged inside the discharge hopper 701, the filter cup 702 includes a first cup hopper 7021, the periphery of the first cup hopper 7021 is fixedly connected with the inner wall of the kettle body 101, the top of the first cup hopper 7021 is disc-shaped, the bottom of the first cup hopper 7021 is funnel-shaped, so that water can flow downwards conveniently, the bottom end of the first cup hopper 7021 is integrally connected with a material guide pipe 7022, a control valve 705 is movably mounted at the bottom end of the material guide pipe 7022, and a filter screen 7023 is uniformly arranged on the outer surface of the bottom of the first cup hopper 7021 and used for filtering the discharged water.
Further, as shown in fig. 2, 4 and 5, the condensation pipe 703 is sleeved on the outer surface of the first cup 7021, the condensation pipe 703 includes a first cylinder 7031, the first cylinder 7031 is fixed on the lower surface of the first cup 7021 by screws, the output end of the first cylinder 7031 is sleeved with a first connecting piece (7032), one end of the first connecting piece 7032, which is away from the first cylinder 7031, is rotatably connected with a connecting rod 7033 by a rotating shaft, one end of the connecting rod 7033, which is away from the first connecting piece 7032, is movably connected with a second cup 7034 by a rotating shaft, the inner wall of the second cup 7034 is attached to the outer surface of the first cup 7021, the outer surface of the second cup 7034 is uniformly provided with through holes, the through holes have the same shapes, areas, numbers and distribution positions as those of the filter screen 7023, the second cup 7034 is rotatably connected with the first cup 7021, the first cylinder 7031 is driven to extend and retract, the connecting rod 7033 is driven to drive the second cup 7034 to rotate on the first cup 7021, when the through holes coincide with the filter net 7023, water can flow into the discharge hopper 701 from the through holes after being filtered by the filter net 7023.
Further, as shown in fig. 2, 4 and 5, a spiral pipe 704 is spirally wound on an outer surface of the second cup 7034, and both ends of the spiral pipe 704 penetrate through outer surfaces of both sides of the discharge hopper 701 respectively and are welded and fixed to the discharge hopper 701.
Further, as shown in fig. 3, the control valve 705 includes a connection pile 7051, the connection pile 7051 is welded and fixed to the outer surface of the material guiding pipe 7022, one end of the connection pile 7051, which is away from the material guiding pipe 7022, is rotatably connected to a valve 7052 through a rotating shaft, the outer surface of one end of the valve 7052 is disc-shaped and abuts against the bottom of the material guiding pipe 7022, the other end of the valve 7052 is strip-shaped and is movably connected to a second connecting member 7054 through the rotating shaft, the outer surface of the material discharging hopper 701 is fixed with an installation plate 7055 through bolts, the installation plate 7055 is movably connected to a cylinder base 7056 through the rotating shaft, one end of the cylinder base 7056, which is away from the installation plate 7055, is fixed with a second cylinder 7053, the output end of the second cylinder 7053 is fixedly connected to the second connecting member 7054, the valve 7052 is pushed and retracted by the second cylinder 7053, so that the valve 7052 rotates around the bottom end of the connection pile 7051, and the valve 7052 is opened from the bottom of the material guiding pipe 7022, the sodium diacetate crystals in the material guide pipe 7022 can be discharged.
Further, as shown in fig. 6, a partition plate 802 is integrally connected inside the housing 801, the partition plate 802 divides the interior of the housing 801 into two chambers, a second motor 803 is fixed in the first chamber, an impeller 804 is fixed at an output end of the second motor 803, and the impeller 804 is driven by the second motor 803 to rotate at a high speed to generate centrifugal force to pressurize the water flow.
Further, as shown in fig. 6, a filter component 806 is fixed on the lower surface of the housing 801, the filter component 806 includes a housing 8061, the housing 8061 is connected and fixed to the housing 801 by bolts, the top end of the housing 8061 penetrates the housing 801 and abuts against the partition 802, an inner cylinder 8062 is fixed inside the housing 8061, the outer surface of the inner cylinder 8062 is covered by a filter element 8063, the inside of the first chamber is communicated with the inside of the inner cylinder 8062, and the inside of the housing 8061 is communicated with the second chamber, water flows into the inner cylinder 8062, and then flows into the filter element 8063 through pores on the surface of the inner cylinder 8062, so that the water is filtered and then discharged into the return pipe 9, and then flows back into the inner cylinder 102.
A preparation method of sodium diacetate comprises the following specific implementation steps:
s1, pressing 3: 1: 2, the chemical formula is as follows: 4C2H4O2+ Na2CO3 ═ 2C4H7NaO4+ H2O + CO2, adding prepared acetic acid into the inner barrel 102 through the first feeding pipe 5, and adding sodium carbonate and water into the inner barrel 102 through the second feeding pipe 6;
s2, waiting for neutralization reaction, heating the inner barrel 102 to 115 degrees indoors, reacting acetic acid and sodium carbonate in the inner barrel 102, and refluxing for 1H;
s3, cooling and separating out, wherein the semi-finished product flows into the filter cup 702 by opening the electromagnetic valve 106, and enters cooling liquid to cool the filter cup 702 through circulation in the spiral pipe 704, so that sodium diacetate crystals are separated out.
S4, filtering and discharging, wherein the first air cylinder 7031 drives the second cup hopper 7034 to rotate, the filter screen 7023 is exposed, water can flow into the discharging hopper 701 from the filter screen 7023, then flows into the filtering component 806 through the water outlet pipe 805 to be filtered, and finally is discharged back into the inner barrel 102 through the return pipe 9 to continue the next round of production, and the second air cylinder 7053 drives the valve 7052 to be unfolded, so that sodium diacetate is discharged.
Example two:
based on the first embodiment, the top of the return pipe 9 can be changed into a three-way pipe, so that water can be replenished from the outside when the inner barrel 102 is lack of water, and the three-way pipe can be provided with a flowmeter and an electromagnetic valve to automatically control the water amount in the inner barrel 102.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a preparation facilities of sodium diacetate, includes reation kettle (1), kettle cover (2), condenser (3) and (mixing) shaft (4), its characterized in that: a kettle cover (2) is fixed at the top end of the reaction kettle (1), a stirring shaft (4) is fixed on the upper surface of the kettle cover (2), a first feeding pipe (5) is arranged on one side of the stirring shaft (4), a second feeding pipe (6) is arranged on the other side of the stirring shaft (4), the reaction kettle (1) comprises a kettle body (101), an inner bucket (102) is integrally connected inside the kettle body (101), a discharging pipe (105) is integrally connected to the lower surface of the inner bucket (102), an electromagnetic valve (106) is arranged on the outer surface of the inner bucket (102), a liquid inlet pipe (103) and a liquid outlet pipe (104) are respectively fixed on the outer surfaces of two sides of the kettle body (101), a cooling filter rod (7) is arranged below the inner bucket (102), a filtering return pipe (8) is arranged on the outer surface of the cooling filter rod (7), and the filtering return pipe (8) comprises a shell (801), a water outlet pipe (805) is fixed at one end of the shell (801), the shell (801) is connected with the cooling filter rod (7) through the water outlet pipe (805), a return pipe (9) is fixed at the other end of the shell (801), and the top end of the return pipe (9) penetrates through the kettle body (101) and is communicated with the inner cavity of the inner barrel (102).
2. The apparatus for preparing sodium diacetate according to claim 1, wherein: the upper surface of the kettle cover (2) is fixed with a condenser (3), the interior of the condenser (3) is communicated with the inner cavity of the inner barrel (102), and the upper surface of the kettle cover (2) is uniformly welded with hanging rings.
3. The apparatus for preparing sodium diacetate according to claim 1, wherein: (mixing) shaft (4) include fixing base (401), fixing base (401) pass through screw and kettle cover (2) fixed connection, the inside of fixing base (401) is fixed with first motor (402) through the screw, there are stirring vane (403) output of first motor (402) through the coupling joint.
4. The apparatus for preparing sodium diacetate according to claim 1, wherein: cooling filter rod (7) are including arranging hopper (701), it is fixed to arrange hopper (701) and cauldron body (101) integration connection, the bottom of arranging hopper (701) is the infundibulate, the inside of arranging hopper (701) is provided with filter cup (702), filter cup (702) are including first cup fill (7021), first cup fill (7021) all around with the interior wall connection of cauldron body (101) fixed, the top of first cup fill (7021) is the disc, the bottom of first cup fill (7021) is the infundibulate, the bottom integration of first cup fill (7021) is connected with passage (7022), the bottom movable mounting of passage (7022) has control valve (705), filter screen (7023) have evenly been seted up to the bottom surface of first cup fill (7021).
5. The apparatus for preparing sodium diacetate according to claim 4, wherein: the outer surface of the first cup (7021) is sleeved with a condensation pipe (703), the condensation pipe (703) comprises a first cylinder (7031), the first cylinder (7031) is fixed on the lower surface of the first cup (7021) through screws, the output end of the first cylinder (7031) is sleeved with a first connecting piece (7032), one end of the first connecting piece (7032) departing from the first cylinder (7031) is rotatably connected with a connecting rod (7033) through a rotating shaft, and one end of the connecting rod (7033) departing from the first connecting piece (7032) is movably connected with a second cup hopper (7034) through a rotating shaft, the inner wall of the second cup bucket (7034) is attached to the outer surface of the first cup bucket (7021), through holes are uniformly formed in the outer surface of the second cup hopper (7034), the shapes, areas, the number and the distribution positions of the through holes are the same as those of the filter screen (7023), and the second cup hopper (7034) is rotatably connected with the first cup hopper (7021).
6. The apparatus for preparing sodium diacetate according to claim 5, characterized in that: the outer surface spiral winding of second cup fill (7034) has spiral pipe (704), the both ends of spiral pipe (704) pierce through the both sides surface of hopper (701) respectively and with hopper (701) welded fastening.
7. The apparatus for preparing sodium diacetate according to claim 4, wherein: the control valve (705) comprises a connecting pile (7051), the connecting pile (7051) is fixedly welded with the outer surface of the guide pipe (7022), and one end of the connecting pile (7051) departing from the material guiding pipe (7022) is rotatably connected with a valve (7052) through a rotating shaft, the outer surface of one end of the valve (7052) is in a disc shape and is abutted against the bottom of the material guide pipe (7022), the other end of the valve (7052) is strip-shaped and is movably connected with a second connecting piece (7054) through a rotating shaft, an installation plate (7055) is fixed on the outer surface of the discharge hopper (701) through bolts, the mounting plate (7055) is movably connected with a cylinder base (7056) through a rotating shaft in the position close to the discharge hopper (701), a second cylinder (7053) is fixed at one end of the cylinder base (7056) which is far away from the mounting plate (7055), and the output end of the second cylinder (7053) is fixedly connected with the second connecting piece (7054).
8. The apparatus for preparing sodium diacetate according to claim 1, wherein: the inner part of the shell (801) is integrally connected with a partition plate (802), the partition plate (802) divides the inner part of the shell (801) into two chambers, a second motor (803) is fixed in the first chamber, and an impeller (804) is fixed at the output end of the second motor (803).
9. The apparatus for preparing sodium diacetate according to claim 8, wherein: the lower surface of casing (801) is fixed with filtering component (806), filtering component (806) includes shell (8061), shell (8061) are connected fixedly through bolt and casing (801), and the top of shell (8061) penetrates casing (801) and offsets with baffle (802), the inside of shell (8061) is fixed with inner tube (8062), the surface parcel of inner tube (8062) has filter core (8063), the inside of first cavity and the inside intercommunication of inner tube (8062), and the inside and the second cavity intercommunication of shell (8061).
10. The method for producing sodium diacetate according to any one of claims 1 to 10, characterized in that: the method comprises the following specific implementation steps:
s1, pressing 3: 1: 2, the chemical formula is as follows: 4C2H4O2+ Na2CO3 ═ 2C4H7NaO4+ H2O + CO2, the prepared acetic acid is added into the inner barrel (102) through the first feeding pipe (5), and the sodium carbonate and the water are added into the inner barrel (102) through the second feeding pipe (6).
S2, waiting for neutralization reaction, heating the inner barrel (102) to 115 degrees indoors, and reacting acetic acid and sodium carbonate in the inner barrel (102) for 1H of reflux time;
s3, cooling and precipitating, namely enabling the semi-finished product to flow into a filter cup (702) by opening an electromagnetic valve (106), and enabling the semi-finished product to enter cooling liquid through the internal circulation of a spiral pipe (704) to cool the filter cup (702) so as to precipitate sodium diacetate crystals.
S4, filtering and discharging, wherein the first air cylinder (7031) drives the second cup hopper (7034) to rotate, the filter screen (7023) is exposed, water can flow into the discharging hopper (701) from the filter screen (7023), then flows into the filtering component (806) through the water outlet pipe (805) for filtering treatment, finally is discharged back into the inner barrel (102) through the return pipe (9), the next production is continued, and the second air cylinder (7053) drives the valve (7052) to be unfolded, so that the sodium diacetate is discharged.
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| CN113351136B (en) | 2022-10-25 |
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Denomination of invention: A preparation device and method for sodium diacetate Effective date of registration: 20230804 Granted publication date: 20221025 Pledgee: Bank of Nanjing Co.,Ltd. Lianyungang Branch Pledgor: LIANYUNGANG NUOXIN FOOD INGREDIENTS Co.,Ltd. Registration number: Y2023320000410 |
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Denomination of invention: A preparation device and method for sodium diacetate Granted publication date: 20221025 Pledgee: Bank of Nanjing Co.,Ltd. Lianyungang Branch Pledgor: LIANYUNGANG NUOXIN FOOD INGREDIENTS Co.,Ltd. Registration number: Y2024980011890 |