CN117484939A - Preparation system and method of citric acid - Google Patents
Preparation system and method of citric acid Download PDFInfo
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- CN117484939A CN117484939A CN202311844743.2A CN202311844743A CN117484939A CN 117484939 A CN117484939 A CN 117484939A CN 202311844743 A CN202311844743 A CN 202311844743A CN 117484939 A CN117484939 A CN 117484939A
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- Prior art keywords
- citric acid
- fermentation
- motor
- control panel
- tank
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title claims abstract description 209
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 11
- 238000000855 fermentation Methods 0.000 claims abstract description 73
- 230000004151 fermentation Effects 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 69
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 28
- 239000007791 liquid phase Substances 0.000 claims description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 12
- 239000000920 calcium hydroxide Substances 0.000 claims description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 12
- PFKGDYCESFRMAP-UHFFFAOYSA-L dicalcium citrate Chemical compound [Ca+2].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O PFKGDYCESFRMAP-UHFFFAOYSA-L 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 241000220317 Rosa Species 0.000 claims description 10
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 claims description 9
- 239000001354 calcium citrate Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 235000013337 tricalcium citrate Nutrition 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 235000013399 edible fruits Nutrition 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 2
- 229960004106 citric acid Drugs 0.000 description 47
- 238000000605 extraction Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- FZIPCQLKPTZZIM-UHFFFAOYSA-N 2-oxidanylpropane-1,2,3-tricarboxylic acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O FZIPCQLKPTZZIM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229960004543 anhydrous citric acid Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000019614 sour taste Nutrition 0.000 description 1
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/04—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams
- B30B9/06—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams co-operating with permeable casings or strainers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/26—Permeable casings or strainers
-
- 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
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- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
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- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/02—Membranes; Filters
- C12M25/04—Membranes; Filters in combination with well or multiwell plates, i.e. culture inserts
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
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- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/04—Seals
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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Abstract
The invention provides a citric acid preparation system and a method thereof, the citric acid preparation system comprises a bottom plate, a filtering mechanism is arranged on one side of the top end of the bottom plate, a crushing mechanism is arranged on the top end of the filtering mechanism, a pair of vertical frames are arranged on the other side of the top end of the bottom plate, a feeding mechanism is arranged on one side of the top end of a pair of vertical frames, a fermentation mechanism is arranged at the bottom end of the feeding mechanism, the filtering mechanism comprises a filtering box, a collecting box is arranged on one side of the inner bottom end of the filtering box, a flow guiding block is arranged on one side of the collecting box, a slag hole is formed in the filtering box, a flow guiding frame is arranged on one side of the slag hole, which is far away from the flow guiding block, a fixing frame is arranged on the top end of the filtering box, a filter screen is arranged on the inner side, which is far from the flow guiding block, a first electric telescopic rod is arranged on the inner side, and a first extrusion plate is arranged at the output end of the first electric telescopic rod.
Description
Technical Field
The invention relates to the technical field of citric acid preparation, in particular to a citric acid preparation system and a citric acid preparation method.
Background
Citric acid (citric acid) is an important organic acid. Colorless crystals, which often contain a molecule of crystal water, are odorless, have strong sour taste, and are easily dissolved in water. The calcium salt is more soluble in cold water than in hot water, a property commonly used to identify and isolate citric acid. The anhydrous citric acid can be obtained by controlling a proper temperature during crystallization. The use in industry, food industry, cosmetics industry, etc. is extremely versatile.
Based on the above, the present inventors found that the following problems exist: in the existing process of preparing citric acid, the extraction amount of the clear citric acid liquid is low, so that the preparation cost is high, and the use of users is influenced.
Accordingly, in view of the above, research and improvement on the existing structure and the existing defects are performed, and a system and a method for preparing citric acid are provided, so as to achieve the purpose of having more practical value.
Disclosure of Invention
The embodiment of the invention provides a system and a method for preparing citric acid, which are used for solving the problems in the background technology.
In view of the above problems, the technical scheme provided by the invention is as follows:
the utility model provides a preparation system of citric acid, includes the bottom plate, filter mechanism is installed to top one side of bottom plate, filter mechanism's top is equipped with broken mechanism, a pair of grudging post is installed to the top opposite side of bottom plate, a pair of feeding mechanism is installed on one side top of grudging post, feeding mechanism's bottom is equipped with fermentation mechanism, filter mechanism includes the rose box, the collecting box is installed to inside bottom one side of rose box, the water conservancy diversion piece is installed to one side of collecting box, the slag notch has been seted up in one side that is close to the water conservancy diversion piece in the inside of rose box, the water conservancy diversion frame is installed in one side that keeps away from the water conservancy diversion piece, the mount is installed to the top of rose box, the filter screen is installed to the inboard of mount, the inside of rose box is installed in one side that keeps away from the water conservancy diversion piece first electric telescopic handle, the second electric telescopic handle is installed to one side that keeps away from the rose box, the output filter case filter box inboard, the second electric telescopic handle's output filter box has the broken piece, the broken filter plate is installed to the pivot and is installed to the filter plate, broken filter tank is installed to the inside the filter tank, the filter plate is installed to the tip and is installed to the filter plate, the filter tank is connected with the tip of a rotary shaft, the filter plate is installed to the filter tank is installed to the inside the filter tank, the filter plate is installed to the filter plate is connected with the tip top of broken plate, the filter plate is installed to the filter plate, the output end of the first motor is connected with the top end of the rotating shaft, and a discharging pipe is arranged on one side of the top end of the crushing tank.
As a preferable technical scheme of the invention, the feeding mechanism comprises a liquid storage tank, a pump is arranged at the top end of the liquid storage tank, a liquid outlet pipe is arranged at the output end of the pump, one end of the liquid outlet pipe is connected with the top end of the liquid storage tank, a liquid inlet pipe is arranged at the input end of the pump, and one end of the liquid inlet pipe is connected with one side bottom end of the collecting box.
As a preferable technical scheme of the invention, one side of the bottom end of the liquid storage tank is in an inclined mode.
As a preferable technical scheme of the invention, the fermentation mechanism comprises a fermentation tank, the top end of the inner side of the fermentation tank is rotationally connected with a stirring shaft, a second motor is arranged in the middle of the top end of the fermentation tank, the output end of the second motor is connected with the top end of the stirring shaft, and the bottom end of the outer side of the fermentation tank is sleeved with a heating sleeve.
As a preferable technical scheme of the invention, the first side and the third side of the fermentation tank are respectively provided with a sliding sleeve, the adjacent sides of a pair of vertical frames are respectively provided with a sliding rail, and the inner sides of the sliding sleeves are in sliding connection with the outer sides of the sliding rails.
As a preferable technical scheme of the invention, a retainer is arranged at the top end of the bottom plate, one side of the retainer is connected with a fixed plate, a third motor is arranged at the bottom end of the fixed plate, the output end of the third motor penetrates through the top end of the fixed plate, a cam is sleeved at the output end of the third motor, a connecting rod is rotationally connected to one side of the top end of the cam, one end of the connecting rod is rotationally connected with a connecting seat, and one side of the connecting seat is fixedly connected with the second side of the fermentation tank.
As a preferable technical scheme of the invention, the top end of the fermentation tank is connected with a hose, the top end of the hose is connected with the bottom end of the liquid storage tank, the bottom end of the fermentation tank is provided with a second electric valve, one end of the second electric valve is connected with a discharging pipe, the fourth side of the fermentation tank is provided with a third electric valve, and one end of the third electric valve is connected with a charging hopper.
As a preferable technical scheme of the invention, one side of one of the vertical frames is provided with a control panel.
As a preferable technical scheme of the invention, the four corners of the bottom end of the bottom plate are provided with supporting seats, and the bottom ends of the supporting seats are provided with anti-skid textures.
In another aspect, the present invention provides a method for preparing citric acid, comprising the steps of:
s1, raw material preparation: soaking and cleaning fruits containing citric acid in clear water, peeling and stoning the cleaned fruits to obtain pulp, and placing the pulp in a sterilizer for sterilization;
s2, crushing raw materials: the control panel controls the first motor to operate, so that the rotating shaft operates, the sterilized pulp in the step S1 is sent into the discharge pipe, the high-speed rotating crushing blade crushes the pulp, and the control panel controls the first electric valve to open, so that the crushed pulp enters the filter box;
s3, squeezing and filtering: s2, enabling crushed pulp to fall on a filter screen after entering the filter box, enabling citric acid clear liquid in the pulp to enter the collecting box through the filter screen, controlling the first electric telescopic rod and the second electric telescopic rod to operate through a control panel, enabling the first extrusion plate and the second extrusion plate to move, extruding the pulp on the filter screen, enabling the citric acid clear liquid in the pulp to enter the collecting box through the filter screen, controlling the second electric telescopic rod to shrink through the control panel, controlling the first electric telescopic rod to stretch through the control panel, enabling the first extrusion plate to push pulp residues to move, and enabling the pulp residues to be discharged from a slag outlet through a flow guide block;
s4, mixed fermentation: the operation of a pump is controlled by a control panel, so that the clear citric acid liquid in the collecting box enters the fermentation tank, calcium carbonate and/or calcium hydroxide are added at the position of the charging hopper, a third electric valve is controlled by the control panel to be opened, so that the calcium carbonate and/or calcium hydroxide enter the fermentation tank, a second motor is controlled by the control panel to operate, a stirring shaft is rotated and stirred, a heating sleeve is controlled by the control panel to operate, the fermentation tank is heated, the third motor is controlled by the control panel to operate, the fermentation tank is reciprocated to improve the mixing uniformity, the citric acid in the clear citric acid fermentation liquid is converted into calcium hydrogen citrate by contact reaction between the clear citric acid fermentation liquid and the calcium carbonate and/or calcium hydroxide, wherein the conditions of the contact reaction between the clear citric acid fermentation liquid and the calcium carbonate and/or the calcium hydroxide comprise the pH value of a reaction end point of 2.5-3.5 and the reaction temperature of 75-85 ℃;
s5, solid-liquid separation: the second electric valve is controlled to be opened through the control panel, the obtained slurry is discharged through the discharge pipe and subjected to solid-liquid separation to obtain solid calcium hydrogen citrate and a first liquid phase, the solid calcium hydrogen citrate is acidolyzed to obtain citric acid, the first liquid phase is in contact reaction with calcium carbonate and/or calcium hydroxide, the condition of the contact reaction enables the calcium hydrogen citrate dissolved in the first liquid phase to be converted into calcium citrate, the obtained slurry is subjected to solid-liquid separation to obtain the solid calcium citrate and a second liquid phase, the calcium citrate is acidolyzed to obtain citric acid, and finally the second liquid phase is subjected to wastewater treatment.
Compared with the prior art, the invention has the beneficial effects that: the discharging pipe is arranged on one side of the top end of the crushing tank to realize pulp feeding, so that pulp can enter the crushing tank conveniently, the pulp crushing function is realized through the output end of the first motor and the top end of the rotating shaft, the extraction amount of the clear citric acid liquid is improved, the pulp extrusion and filtration are realized through the arrangement of the first electric telescopic rod, the first extruding plate, the second electric telescopic rod and the second extruding plate, the extraction amount of the clear citric acid liquid is improved again, the filter screen is arranged on the inner side of the fixing frame to realize the separation of the pulp and the clear citric acid liquid, the guide frame is arranged on one side far away from the guide block through the slag outlet to realize the discharge of pulp slag, the setting of the pump, the liquid outlet pipe and the liquid inlet pipe is realized, the clear citric acid liquid of the collecting box enters the liquid storage tank, the output end of the second motor and the top end of the stirring shaft are connected to realize the electric rotation of the stirring shaft, thereby realizing the material mixing in the fermentation tank, through the outside sliding connection of the inboard of sliding sleeve and slide rail, improve the stability of rocking of fermentation tank, through the third motor, the cooperation of cam, connecting rod and connecting seat, realize that the cam is rotatory can drive the fermentation tank and rock, improve the miscibility, be connected with the hose through the top of fermentation tank, realize that the clear solution in the liquid reserve tank gets into the fermentation tank, make things convenient for the fermentation tank to rock simultaneously, install the second electrically operated valve through the bottom of fermentation tank, realize the discharging pipe switch, install the third electrically operated valve through the fourth side of fermentation tank, realize the loading hopper switch, install control panel through one of them grudging post, realize that equipment is controllable, increase product use convenience, the supporting seat is all installed through the bottom four corners of bottom plate, improve the stability of placing of bottom plate, this method can effectively improve the extraction amount of citric acid clear solution, the preparation cost of the citric acid is reduced, and the method has higher practical value.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
Fig. 1 is a schematic perspective view 1 of a citric acid preparation system according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a system for preparing citric acid according to an embodiment of the present invention 2;
FIG. 3 is a cross-sectional view of a filter box of a citric acid preparation system according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a crushing tank of a citric acid preparation system according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a fermenter of a citric acid production system according to an embodiment of the present invention;
fig. 6 is a block diagram of a method for preparing citric acid according to an embodiment of the present invention.
Reference numerals: 100. a bottom plate; 101. a support base; 102. a filtering mechanism; 10201. a filter box; 10202. a second electric telescopic rod; 10203. a collection box; 10204. a fixing frame; 10205. a filter screen; 10206. a first electric telescopic rod; 10207. a first pressing plate; 10208. a second pressing plate; 10209. a flow guiding block; 10210. a slag outlet; 10211. a flow guiding frame; 103. a crushing mechanism; 10301. a crushing tank; 10302. a support frame; 10303. discharging pipes; 10304. a first motor; 10305. a rotating shaft; 10306. crushing blades; 10307. a first electrically operated valve; 104. a vertical frame; 105. a feeding mechanism; 10501. a liquid storage tank; 10502. a pump machine; 10503. a liquid outlet pipe; 10504. a liquid inlet pipe; 106. a fermentation mechanism; 10601. a fermentation tank; 10602. a stirring shaft; 10603. a second motor; 10604. a second electrically operated valve; 10605. a discharge pipe; 10606. a third electrically operated valve; 10607. a hose; 10608. a hopper; 10609. a sliding sleeve; 10610. a slide rail; 10611. a retainer; 10612. a third motor; 10613. a cam; 10614. a connecting rod; 10615. a connecting seat; 10616. a heating jacket; 107. and a control panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1 to 5, a citric acid preparing system comprises a base plate 100, a filter mechanism 102 is installed at one side of the top end of the base plate 100, a crushing mechanism 103 is arranged at the top end of the filter mechanism 102, a pair of stand frames 104 are installed at the other side of the top end of the base plate 100, a feeding mechanism 105 is installed at one side top end of the pair of stand frames 104, a fermenting mechanism 106 is arranged at the bottom end of the feeding mechanism 105, the filter mechanism 102 comprises a filter tank 10201, a collecting tank 10201 is installed at one side of the inner bottom end of the filter tank 10201, a guide block 10209 is installed at one side of the collecting tank 10203, a slag outlet 10210 is formed in the inner part of the filter tank 10201 at one side close to the guide block 10209, a guide frame 10211 is installed at one side far from the guide block 10209, a fixing frame 10204 is installed at the top end of the filter tank 10201, a filter screen 10205 is installed at the inner side of the fixing frame 10204, a first electric telescopic rod 10206 is installed at one side far from the guide block 10209 in the inner part of the filter tank 1, the output end of the first electric telescopic rod 10206 is provided with a first extrusion plate 10207, the filter box 10201 is provided with a second electric telescopic rod 10202 at one side far away from the first electric telescopic rod 10206, the output end of the second electric telescopic rod 10202 penetrates through the inner side of the filter box 10201, the output end of the second electric telescopic rod 10202 is provided with a second extrusion plate 10208, the bottom end of the first extrusion plate 10207 and the bottom end of the second extrusion plate 10208 are respectively contacted with the top end of the filter screen 10205, the crushing mechanism 103 comprises a crushing tank 10301, the outer side of the crushing tank 10301 is provided with a supporting frame 10302, the bottom end of the supporting frame 10302 is fixedly connected with the top end of the filter box 10201, the bottom end of the filter box 10201 is provided with a first electric valve 10307, the bottom end of the first electric valve 10307 is fixedly connected with the middle part of the top end of the filter box 10201, the inner top end of the crushing tank 10301 is rotationally connected with a rotating shaft 10305, the bottom end of the rotating shaft 10305 is provided with a crushing blade 10206, the first motor 10304 is installed on the top of the crushing jar 10301, the output of the first motor 10304 is connected with the top of the rotating shaft 10305, the discharging tube 10303 is installed on one side of the top of the crushing jar 10301, pulp feeding is achieved, pulp enters the crushing jar 10301 conveniently, the output of the first motor 10304 is connected with the top of the rotating shaft 10305, the pulp crushing function is achieved, the extraction amount of the clear citric acid liquid is improved, pulp extrusion filtering is achieved through the arrangement of the first electric telescopic rod 10206, the first extrusion plate 10207, the second electric telescopic rod 10202 and the second extrusion plate 10208, the extraction amount of the clear citric acid liquid is improved again, the filter screen 10205 is installed on the inner side of the fixing frame 10204, separation of the clear citric acid liquid and the pulp is achieved, the guide frame 10211 is installed on one side far away from the guide block 10209 through the slag outlet 10210, and the pulp slag is discharged.
Acting on an embodiment of the present invention, further, the feeding mechanism 105 includes a liquid storage tank 10501, a pump 10502 is installed at the top end of the liquid storage tank 10501, a liquid outlet pipe 10503 is installed at the output end of the pump 10502, one end of the liquid outlet pipe 10503 is connected with the top end of the liquid storage tank 10501, a liquid inlet pipe 10504 is installed at the input end of the pump 10502, one end of the liquid inlet pipe 10504 is connected with the bottom end of one side of the collecting tank 10203, and by the arrangement of the pump 10502, the liquid outlet pipe 10503 and the liquid inlet pipe 10504, the citric acid clear liquid in the collecting tank 10203 enters the liquid storage tank 10501.
Further, in one embodiment of the present invention, the bottom side of the reservoir 10501 is in an inclined pattern.
Acting on an embodiment of the invention, further, the fermentation mechanism 106 comprises a fermentation tank 10601, the top end of the inner side of the fermentation tank 10601 is rotatably connected with a stirring shaft 10602, a second motor 10603 is installed in the middle of the top end of the fermentation tank 10601, the output end of the second motor 10603 is connected with the top end of the stirring shaft 10602, the bottom end of the outer side of the fermentation tank 10601 is sleeved with a heating sleeve 10616, and the output end of the second motor 10603 is connected with the top end of the stirring shaft 10602, so that the stirring shaft 10602 rotates electrically, and therefore material mixing in the fermentation tank 10601 is achieved.
In one embodiment of the present invention, the first side and the third side of the fermenter 10601 are provided with the sliding sleeve 10609, the adjacent sides of the pair of vertical columns 104 are provided with the sliding rails 10610, the inner side of the sliding sleeve 10609 is slidably connected with the outer side of the sliding rail 10610, and the shaking stability of the fermenter 10601 is improved by slidably connecting the inner side of the sliding sleeve 10609 with the outer side of the sliding rail 10610.
Acting on an embodiment of the present invention, further, a retainer 10611 is installed at the top end of the bottom plate 100, one side of the retainer 10611 is connected with a fixing plate, a third motor 10612 is installed at the bottom end of the fixing plate, an output end of the third motor 10612 penetrates through the top end of the fixing plate, a cam 10613 is sleeved at an output end of the third motor 10612, a connecting rod 10614 is rotatably connected to one side of the top end of the cam 10613, one end of the connecting rod 10614 is rotatably connected with a connecting seat 10615, one side of the connecting seat 10615 is fixedly connected with a second side of the fermentation tank 10601, and rotation of the cam 10613 can drive the fermentation tank 10601 to shake through cooperation of the third motor 10612, the cam 10613, the connecting rod 10614 and the connecting seat 10615, so as to improve mixing uniformity.
Acting on an embodiment of the invention, further, the top end of the fermentation tank 10601 is connected with a hose 10607, the top end of the hose 10607 is connected with the bottom end of the liquid storage tank 10501, the bottom end of the fermentation tank 10601 is provided with a second electric valve 10604, one end of the second electric valve 10604 is connected with a discharging pipe 10605, the fourth side of the fermentation tank 10601 is provided with a third electric valve 10606, one end of the third electric valve 10606 is connected with a hopper 10608, the top end of the fermentation tank 10601 is connected with a hose 10607, clear liquid in the liquid storage tank 10501 enters the fermentation tank 10601, meanwhile, the fermentation tank 10601 is convenient to shake, the bottom end of the fermentation tank 10601 is provided with a second electric valve 10604, the discharging pipe 10605 is switched on and the fourth side of the fermentation tank 10601 is provided with a third electric valve 10606, so that the hopper 10608 is switched on.
According to the embodiment of the invention, further, one side of one of the vertical frames 104 is provided with the control panel 107, and the control panel 107 is arranged on one side of one of the vertical frames 104, so that the equipment is controllable, and the convenience in using products is improved.
According to the embodiment of the invention, further, the four corners of the bottom end of the bottom plate 100 are provided with the supporting seats 101, the bottom ends of the supporting seats 101 are provided with anti-skid textures, and the supporting seats 101 are arranged at the four corners of the bottom end of the bottom plate 100, so that the placement stability of the bottom plate 100 is improved.
Example two
Referring to fig. 6, another method for preparing citric acid according to the embodiment of the present invention includes the following steps:
s1, raw material preparation: soaking and cleaning fruits containing citric acid in clear water, peeling and stoning the cleaned fruits to obtain pulp, and placing the pulp in a sterilizer for sterilization;
s2, crushing raw materials: the control panel 107 controls the first motor 10304 to operate, so that the rotating shaft 10305 operates, the sterilized pulp in the S1 is sent into the discharge pipe 10303, the high-speed rotating crushing blade 10306 crushes the pulp, the control panel 107 controls the first electric valve 10307 to open, and the crushed pulp enters the filter box 10201;
s3, squeezing and filtering: the crushed pulp in the step S2 falls on the filter screen 10205 after entering the filter tank 10201, at this time, the clear citric acid liquid in the pulp enters the collection tank 10203 through the filter screen 10205, the first electric telescopic rod 10206 and the second electric telescopic rod 10202 are controlled to operate through the control panel 107, the first extrusion plate 10207 and the second extrusion plate 10208 are made to move, the pulp on the filter screen 10205 is extruded, the clear citric acid liquid in the pulp enters the collection tank 10203 through the filter screen 10205, the second electric telescopic rod 10202 is controlled to shrink through the control panel 107, and the first electric telescopic rod 10206 is controlled to stretch through the control panel 107, so that the first extrusion plate 10207 pushes pulp residues to move, and the pulp residues are discharged from the slag outlet 10210 through the guide block 10209;
s4, mixed fermentation: the pump 10502 is controlled by the control panel 107 to operate, the clear citric acid liquid in the collection tank 10203 enters the fermentation tank 10601, calcium carbonate and/or calcium hydroxide are added at the position of the feeding hopper 10608, the third electric valve 10606 is controlled by the control panel 107 to open, the calcium carbonate and/or the calcium hydroxide enter the fermentation tank 10601, the second motor 10603 is controlled by the control panel 107 to operate, the stirring shaft 10602 is rotated and stirred, the heating sleeve 10616 is controlled by the control panel 107 to operate, the fermentation tank 10601 is heated, the third motor 10612 is controlled by the control panel 107 to operate, the fermentation tank 10601 is reciprocated to improve the mixing uniformity, the citric acid in the fermentation clear liquid is converted into calcium hydrogen citrate by the condition of contact reaction, the condition of contact reaction of the citric acid fermentation clear liquid and the calcium carbonate and/or the calcium hydroxide comprises the pH value of a reaction end point of 2.5-3.5, and the reaction temperature is 75-85 ℃;
s5, solid-liquid separation: the second electric valve 10604 is controlled to be opened through the control panel 107, the obtained slurry is discharged through the discharge pipe 10605, solid-liquid separation is carried out to obtain solid calcium hydrogen citrate and a first liquid phase, the solid calcium hydrogen citrate is acidolyzed to obtain citric acid, the first liquid phase is in contact reaction with calcium carbonate and/or calcium hydroxide, the condition of the contact reaction is that the dissolved calcium hydrogen citrate in the first liquid phase is converted into calcium citrate, the obtained slurry is subjected to solid-liquid separation to obtain solid calcium citrate and a second liquid phase, the calcium citrate is acidolyzed to obtain citric acid, and finally the second liquid phase is subjected to wastewater treatment.
It should be noted that, specific model specifications of the first motor 10304, the first electric telescopic rod 10206, the second electric telescopic rod 10202, the pump 10502, the second motor 10603 and the third motor 10612 need to be determined according to the actual specifications of the device, and the specific model selection calculation method adopts the prior art, so that detailed descriptions thereof are omitted.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a preparation system of citric acid, its characterized in that includes bottom plate (100), filtering mechanism (102) are installed to top one side of bottom plate (100), the top of filtering mechanism (102) is equipped with crushing mechanism (103), a pair of grudging post (104) are installed to top opposite side of bottom plate (100), a pair of feeding mechanism (105) are installed on one side top of grudging post (104), the bottom of feeding mechanism (105) is equipped with fermentation mechanism (106), filtering mechanism (102) include rose box (10201), collecting box (10203) are installed to inside bottom one side of rose box (10201), guide block (10209) are installed to one side of collecting box (10203), slag notch (10210) are seted up in the inside of rose box (10201) at one side that is close to guide block (10209), guide frame (10211) are installed on one side that keeps away from guide block (10209), mount (10204) are installed on the top of rose box (1), electric motor-driven pole (10204) are installed on one side of the filter screen (10205), electric motor-driven pole (10206) are installed on one side of first expansion rod (10206), the filter box (10201) is in keeping away from one side of first electric telescopic handle (10206) and is installed second electric telescopic handle (10202), the output of second electric telescopic handle (10202) runs through the inboard of filter box (10201), second stripper plate (10208) is installed to the output of second electric telescopic handle (10202), the bottom of first stripper plate (10207) and the bottom of second stripper plate (10208) contact with the top of filter screen (10205) respectively, crushing mechanism (103) including broken jar (10301), support frame (10302) are installed in the outside of broken jar (10301), the top fixed connection of the bottom of support frame (10302) and filter box (10201), the top middle part fixed connection of the bottom of filter box (10201) is installed to the bottom of first electric valve (10307), the inside top of broken jar (10301) is rotated and is connected with the top of filter screen (10205), the top of broken jar (10305) is installed in the top of broken jar (10305), the top of a motor (10305) is installed in the top of broken jar (10301), the top of a motor (10304) is installed in the top of broken jar (10301), and the top of a motor (10301) is installed.
2. The system for preparing citric acid according to claim 1, wherein: feeding mechanism (105) are including liquid reserve tank (10501), pump (10502) are installed on the top of liquid reserve tank (10501), drain pipe (10503) are installed to the output of pump (10502), the one end of drain pipe (10503) is connected with the top of liquid reserve tank (10501), feed liquor pipe (10504) are installed to the input of pump (10502), one end of feed liquor pipe (10504) is connected with one side bottom of collecting box (10203).
3. A citric acid preparation system according to claim 2, characterized in that: the bottom end side of the liquid storage tank (10501) is in an inclined mode.
4. A citric acid preparation system according to claim 2, characterized in that: fermentation mechanism (106) are including fermentation cylinder (10601), the inboard top rotation of fermentation cylinder (10601) is connected with (mixing) shaft (10602), the top mid-mounting of fermentation cylinder (10601) has second motor (10603), the output of second motor (10603) is connected with the top of (mixing) shaft (10602), the outside bottom cover of fermentation cylinder (10601) is equipped with heating jacket (10616).
5. The system for preparing citric acid of claim 4, wherein: sliding sleeves (10609) are arranged on the first side and the third side of the fermentation tank (10601), sliding rails (10610) are arranged on adjacent sides of the pair of vertical frames (104), and the inner sides of the sliding sleeves (10609) are in sliding connection with the outer sides of the sliding rails (10610).
6. The system for preparing citric acid of claim 4, wherein: the utility model discloses a fermentation tank, including bottom plate (100), bottom plate (10625), fixed plate, connecting seat (10615) are connected with in one side of bottom plate (100), third motor (10612) are installed to the bottom of fixed plate, the top of fixed plate is run through to the output of third motor (10612), cam (10613) are equipped with to the output cover of third motor (10612), top one side rotation of cam (10613) is connected with connecting rod (10614), one end rotation of connecting rod (10614) is connected with connecting seat (10615), one side of connecting seat (10615) and the second side fixed connection of fermentation tank (10601).
7. The system for preparing citric acid of claim 4, wherein: the top of fermentation cylinder (10601) is connected with hose (10607), the top of hose (10607) is connected with the bottom of liquid reserve tank (10501), second electrically operated valve (10604) is installed to the bottom of fermentation cylinder (10601), the one end of second electrically operated valve (10604) is connected with discharging pipe (10605), third electrically operated valve (10606) is installed to the fourth side of fermentation cylinder (10601), the one end of third electrically operated valve (10606) is connected with loading hopper (10608).
8. The system for preparing citric acid according to claim 1, wherein: one side of one of the uprights (104) is provided with a control panel (107).
9. The system for preparing citric acid according to claim 1, wherein: support seats (101) are arranged at four corners of the bottom end of the bottom plate (100), and anti-skid textures are arranged at the bottom end of the support seats (101).
10. The preparation method of the citric acid is characterized by comprising the following steps of:
s1, raw material preparation: soaking and cleaning fruits containing citric acid in clear water, peeling and stoning the cleaned fruits to obtain pulp, and placing the pulp in a sterilizer for sterilization;
s2, crushing raw materials: the control panel (107) controls the first motor (10304) to operate, the rotating shaft (10305) is operated, the sterilized pulp in the S1 is sent into the discharging pipe (10303), the high-speed rotating crushing blade (10306) crushes the pulp, the control panel (107) controls the first electric valve (10307) to open, and the crushed pulp enters the filter box (10201);
s3, squeezing and filtering: the crushed pulp in S2 falls on a filter screen (10205) after entering the filter tank (10201), at the moment, citric acid clear liquid in the pulp enters the collecting tank (10203) through the filter screen (10205), a control panel (107) is used for controlling a first electric telescopic rod (10206) and a second electric telescopic rod (10202) to operate, a first extrusion plate (10207) and a second extrusion plate (10208) are used for moving, the pulp on the filter screen (10205) is extruded, citric acid clear liquid in the pulp enters the collecting tank (10203) through the filter screen (10205), the control panel (107) is used for controlling the second electric telescopic rod (10202) to shrink, and then the control panel (107) is used for controlling the first electric telescopic rod (10206) to stretch, so that the first extrusion plate (10207) pushes pulp slag to move, and the pulp slag is discharged from a slag outlet (10210) through a flow guide block (10209);
s4, mixed fermentation: the pump (10502) is controlled by the control panel (107) to operate, the clear citric acid liquid in the collecting box (10203) enters the fermentation tank (10601), calcium carbonate and/or calcium hydroxide are added at the feeding hopper (10608), the third electric valve (10606) is controlled by the control panel (107) to be opened, the calcium carbonate and/or calcium hydroxide enters the fermentation tank (10601), the second motor (10603) is controlled by the control panel (107) to operate, the stirring shaft (10602) is rotated and stirred, the heating sleeve (10616) is controlled by the control panel (107) to operate, the fermentation tank (10601) is heated, the third motor (10612) is controlled by the control panel (107) to operate, the fermentation tank (10601) is reciprocated, the mixing uniformity is improved, the citric acid in the fermentation clear liquid is converted into calcium hydrogen citrate by the contact reaction of the citric acid fermentation clear liquid and the calcium carbonate, the conditions of the contact reaction of the citric acid fermentation clear liquid and the calcium carbonate comprise the pH value of the reaction end point of 2.5-3.5 ℃ and the reaction temperature of 75-85 ℃;
s5, solid-liquid separation: and (3) controlling a second electric valve (10604) to be opened through a control panel (107), discharging the obtained slurry through a discharge pipe (10605), performing solid-liquid separation to obtain solid calcium hydrogen citrate and a first liquid phase, performing acidolysis on the solid calcium hydrogen citrate to obtain citric acid, performing contact reaction on the first liquid phase and calcium carbonate and/or calcium hydroxide, enabling the dissolved calcium hydrogen citrate in the first liquid phase to be converted into calcium citrate under the condition of contact reaction, performing solid-liquid separation on the obtained slurry to obtain solid calcium citrate and a second liquid phase, performing acidolysis on the calcium citrate to obtain citric acid, and finally performing wastewater treatment on the second liquid phase.
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