CN118142189B - Vacuum concentration device suitable for coffee production and processing - Google Patents
Vacuum concentration device suitable for coffee production and processing Download PDFInfo
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- CN118142189B CN118142189B CN202410564868.8A CN202410564868A CN118142189B CN 118142189 B CN118142189 B CN 118142189B CN 202410564868 A CN202410564868 A CN 202410564868A CN 118142189 B CN118142189 B CN 118142189B
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- tank
- discharge
- hoop
- coffee
- wall
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- 235000013353 coffee beverage Nutrition 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000009833 condensation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 63
- 238000003756 stirring Methods 0.000 claims description 46
- 238000007790 scraping Methods 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000010405 clearance mechanism Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 9
- 235000015114 espresso Nutrition 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
- B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
- B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
- A23F5/28—Drying or concentrating coffee extract
- A23F5/285—Drying or concentrating coffee extract by evaporation, e.g. drying in thin layers or foam drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Apparatus For Making Beverages (AREA)
- Tea And Coffee (AREA)
Abstract
The invention relates to the technical field of coffee production, in particular to a vacuum concentration device suitable for coffee production and processing, which comprises a concentration tank and a tank top covered above the top end of the concentration tank, wherein a pressure control module, a vacuum pump and a condensation vacuum pipeline for monitoring the pressure in the tank are arranged on the top of the tank top, and a discharge mechanism is arranged between the concentration tank and the tank top; the discharging mechanism comprises a discharging hoop sleeved between the concentrating tank and the outer wall of the tank top, a sealing ring, a discharging plate sleeved between the inner wall of the concentrating tank and the outer wall of the heating cylinder, and a control ring group for driving the sealing ring to deflect. The electromagnetic valve controls the vent pipe to be opened, atmospheric pressure is utilized to act on the bottom of the discharge plate, the upper part of the discharge plate is propped against the top of the heating cylinder until reaching the top of the heating cylinder, concentrated coffee is discharged into the discharge hoop, and the concentrated coffee is discharged into the tank from the discharge opening and the discharge outlet under the coincident state, and the coffee on the inner wall of the concentration tank can be scraped when the discharge plate is propped against the top, so that the subsequent water addition and cleaning can be carried out in a small amount and the cleaning is cleaner.
Description
Technical Field
The invention relates to the technical field of coffee production, in particular to a vacuum concentration device suitable for coffee production and processing.
Background
The invention discloses a vacuum concentration device for coffee production and a use method thereof, wherein the vacuum concentration device comprises a heat preservation jacket, a concentration tank body is embedded and installed in the heat preservation jacket, a motor is fixed in the middle of the top end of the concentration tank body, a driving rotating shaft is connected in a penetrating mode at the upper position of the inner part of the concentration tank body.
However, the concentrated coffee is in a viscous fluid shape, and the concentrated coffee is discharged through the liquid discharge pipe orifice under the action of gravity, so that the inner wall of the concentration tank body can not be drained of residual coffee all the time.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a vacuum concentration device suitable for coffee production and processing, so as to solve the problems in the prior art.
In order to achieve the aim, the invention provides a vacuum concentration device suitable for coffee production and processing, which comprises a concentration tank and a tank top covered above the top end of the concentration tank, wherein the top of the tank top is provided with a pressure control module for monitoring the pressure in the tank, a vacuum pump for pumping air in the tank to form vacuum low pressure and a condensation vacuum pipeline; a discharging mechanism is arranged between the concentrating tank and the tank top;
the material discharging mechanism comprises a material discharging hoop sleeved between the concentrating tank and the outer wall of the tank top, a material sealing ring sleeved at the bottom of the material discharging hoop, a material discharging plate sleeved between the inner wall of the concentrating tank and the outer wall of the heating cylinder, and a control ring group for driving the material sealing ring to deflect and unseal the material discharging hoop to discharge materials; the cross section of the material discharging hoop is of a triangular shell structure, all the inner side faces of the material discharging hoop are open, the corners of the bottom face of the material discharging hoop are radially symmetrically provided with discharge openings, the top face of the material sealing ring is radially symmetrically provided with material leakage openings, the bottom face of the concentration tank is annular and is provided with a plurality of vent pipes in an equidistant embedding mode, the vent pipes are provided with electromagnetic valves, and the top of the heating cylinder is higher than the bottom face of the material discharging hoop;
Pumping coffee powder into the concentrating tank from the feeding pipe, pumping clear water from the feeding pipe, starting the vacuum pump to pump air in the concentrating tank to form a vacuum low-pressure state, electrifying a plurality of electric heating pipes to heat the concentrating tank, boiling coffee to form a concentrated viscous state, electrifying an electromagnetic valve of the ventilating pipe to open a pipeline after the coffee is cooled, enabling external atmospheric pressure to enter the bottom of the concentrating tank from the ventilating pipe to push up the discharge plate, namely lifting the top concentrated coffee into the discharge hoop, triggering the control ring group to start through the condition that the water level reaches, driving the sealing ring to deflect, and discharging the coffee from the discharge opening and the discharge opening into the tank under the action of atmospheric pressure.
As a further improvement of the technical scheme, the control ring group comprises a servo motor for providing driving force, a water level sensing system for triggering the servo motor to rotate positively and a transmission gear coaxially connected with the output end of the servo motor; the water level sensing system consists of a water level sensor and a control system for receiving a water level signal, wherein the water level sensor is embedded on the bottom of an inclined plane of the discharge hoop, and a rack meshed with the transmission gear is embedded at the edge of the top surface of the sealing ring.
As a further improvement of the technical scheme, the discharge hoop is provided with a timing starting module for controlling the timing reversal starting of the servo motor, the timing starting module comprises a timing module and a microcontroller, and the water level sensing system, the timing starting module and the servo motor are connected in parallel.
As a further improvement of the technical scheme, the outer wall of the top of the heating cylinder is provided with a positioning ring, the middle of the discharge plate is thicker than the edge of the heating cylinder, the distance between the positioning ring and the bottom surface of the discharge hoop is equal to the thickness of the discharge plate, the outer wall of the heating cylinder is symmetrically provided with guide strips, and the inner hole wall of the heating cylinder is provided with guide grooves which are matched and sleeved with the guide strips.
As a further improvement of the technical scheme, the bottom surface of the discharge hoop is provided with a discharge table inclined towards the corners of the discharge hoop, the inner side of the discharge hoop is provided with fixing rings up and down, and the fixing rings at the upper and lower positions are respectively fixedly connected with the tank top and the concentration tank through bolts.
As a further improvement of the technical scheme, a vertical ring is arranged at the outer edge of the top surface of the material sealing ring, the vertical ring is covered on the outer wall of the bottom of the material discharging hoop, a clamping plate clamped with the inclined surface of the material discharging hoop is welded on the top surface of the vertical ring, and a silica gel sheet is adhered to the top surface of the material sealing ring.
As the further improvement of this technical scheme, concentrated jar inner wall department is provided with stirring clearance mechanism, stirring clearance mechanism is including a plurality of puddlers that lean on concentrated jar inner wall, be used for driving a plurality of puddlers rotatory agitator motor and with the scraping plate of row material hoop inner chamber looks adaptation joint, scrape flitch and puddler outer wall welding.
As a further improvement of the technical scheme, a plurality of slots which are spliced with a plurality of stirring rods are formed in the outer edge of the discharging plate, and a plurality of sealing blocks which are correspondingly clamped with the slots are welded on the inner wall of the bottom of the concentration tank.
As the further improvement of this technical scheme, the bottom welding of scraping flitch and puddler junction has the blend stop, the welding has the scraping material piece that is the triangle block structure between the contained angle of blend stop and scraping the flitch, the output shaft bottom coaxial coupling of agitator motor has rings, a plurality of bayonet sockets have been seted up to the equidistant inner wall of rings, the top welding of puddler has the fixture block that is T type structure, fixture block and bayonet socket joint cooperation.
As a further improvement of the technical scheme, a material guide pipe is hung outside the concentration tank and right below the discharge opening, and the lower end of the material guide pipe is provided with a discharge pipe which is bent outwards and is contracted to be open.
Compared with the prior art, the invention has the beneficial effects that:
1. This vacuum enrichment facility suitable for coffee production and processing opens through the relief mechanism that sets up in the concentrate jar inside, opens through solenoid valve control breather pipe, and utilizes atmospheric pressure to effect the relief plate bottom, with its top row material, until the heating cylinder top, and in discharging the material hoop with the coffee after concentrating to discharge the jar from discharge opening and the drain hole under the coincidence state in, and can scrape the coffee of concentrate jar inner wall when the relief plate is overhead for the follow-up can be a small amount of water clearance and the clearance is cleaner.
2. According to the vacuum concentration device suitable for coffee production and processing, the stirring cleaning mechanism is integrated in the concentration tank, and the stirring motor is started to drive the stirring rods to stir coffee, so that the coffee is rapidly evaporated and concentrated in heating; after the concentrated coffee is discharged, air enters the tank top to enable the discharge plate to automatically descend to the bottom, at the moment, the stirring motor is started again to drive the stirring rods to rotate, and then the scraping plate is driven to scrape residual sticky coffee in the discharge hoop to be discharged from the discharge opening, so that the inner wall of the discharge hoop is cleaned quickly, and the subsequent reduction of the water adding amount and cleaning are facilitated.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be.
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic view of the overall internal assembly structure of the present invention;
FIG. 3 is a front view of FIG. 1 of the present invention;
FIG. 4 is a front view of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic diagram of the assembled structure of the discharge mechanism and the stirring and cleaning mechanism of the present invention;
FIG. 6 is a schematic diagram of the full section of the concentrating tank of the present invention;
FIG. 7 is a schematic diagram of an assembly structure of an electric heating tube according to the present invention;
FIG. 8 is a view showing the assembly and disassembly of the discharge collar of the present invention;
FIG. 9 is a schematic view of the discharge cuff of the present invention in full section;
FIG. 10 is a schematic view of the assembled structure of the stirring cleaning mechanism of the present invention;
FIG. 11 is a schematic view of a discharge plate structure of the present invention;
FIG. 12 is a schematic view of a stirring rod according to the present invention;
FIG. 13 is a schematic view of an assembly structure of a pair of guide tubes according to the present invention.
The meaning of each reference sign in the figure is:
100. A concentrating tank; 101. a heating cylinder; 102. a positioning ring; 103. a guide bar; 104. sealing blocks; 110. a tank top; 111. a feed pipe; 120. a pressure control module; 130. a vacuum pump; 140. a base; 150. an electric heating tube; 151. a tray; 152. a brace rod;
200. A discharging mechanism; 210. a discharge hoop; 211. a discharge port; 212. a discharging table; 213. a fixing ring; 220. a sealing ring; 221. a material leakage port; 222. a clamping plate; 223. a rack; 230. a discharge plate; 231. a slot; 232. a guide groove; 233. a vent pipe; 240. a control ring group; 241. a servo motor; 242. a water level sensing system; 243. a transmission gear; 250. a material guiding pipe; 251. a discharge pipe; 252. a connecting ring;
300. A stirring and cleaning mechanism; 310. a stirring rod; 311. a clamping block; 320. a stirring motor; 321. a hanging ring; 322. a bayonet; 330. a scraping plate; 331. a barrier strip; 332. scraping the material block.
Detailed Description
The details of the invention will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the invention. The specific embodiments of the invention described herein are for purposes of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention. The terms "mounted" and "connected" are to be interpreted broadly, as they may be directly connected, or indirectly connected through an intermediary.
The terms "central axis," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are based on the orientation or positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the invention, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-13, the present invention provides a vacuum concentration device suitable for coffee production and processing, comprising a concentration tank 100 and a tank top 110 covered above the top thereof, wherein the top of the tank top 110 is provided with a pressure control module 120 for monitoring the pressure in the tank, a vacuum pump 130 for pumping air in the tank to form vacuum low pressure and a condensation vacuum pipeline;
The pressure control module 120 comprises a pressure sensor and an electrical control element, and is used for monitoring and controlling key parameters such as temperature, pressure and the like in the concentration process, so as to ensure the stability of the production process and the quality of the product;
The vacuum pump 130 is provided with a vacuum gauge and a vacuum pipeline, and the vacuum pump 130 is used for pumping air in the tank body and reducing the pressure in the tank so as to realize a vacuum state; the vacuum meter is used for monitoring the vacuum degree in the tank in real time and ensuring that the concentration process is carried out under proper vacuum conditions;
The condensing vacuum pipeline is used for collecting and processing water vapor evaporated from the coffee liquid, and a condenser and a cooling water circulating device are generally used for condensing the water vapor into liquid water and discharging the liquid water out of the system; the top or side of the tank is typically designed with a vacuum line connected to the condensing system; these pipes not only allow water vapor to flow from the inside of the tank to the condensing system, but also remain in communication without breaking the vacuum condition;
sealing designs such as sealing gaskets, O-shaped rings or welding and the like are adopted at the joint of the pipelines, the inlet and the outlet of the tank body and other potential leakage points so as to ensure that the system cannot leak air in a high vacuum state;
Combination of condenser and vacuum pump: the condenser not only receives the water vapor discharged from the tank body through the vacuum pipeline, but also condenses the water vapor into liquid water through a cooling mechanism inside the water vapor; the condensed water is discharged through a proper discharge system, which is the prior art and will not be described herein.
Further, a feeding pipe 111 is installed at one side of the top of the tank top 110, and an electromagnetic valve is installed on the feeding pipe 111 for controlling the opening and closing of the feeding pipe 111;
A heating cylinder 101 is arranged on the central shaft at the bottom of the concentration tank 100, the bottom end of the heating cylinder 101 is provided with an opening, a plurality of electric heating pipes 150 are arranged in the heating cylinder 101 at equal intervals in a circumference manner, the electric heating pipes 150 are in an inverted U shape, a tray 151 is sleeved at the bottom of the electric heating pipes 150, the tray 151 is tightly clamped and matched with the opening at the bottom end of the heating cylinder 101, and two ends of the electric heating pipes 150 penetrate out of the tray 151 and are electrically connected to a power supply through leads; in addition, a supporting rod 152 is vertically inserted in the center of the top surface of the tray 151, and a cross for supporting the top of the electric heating tube 150 is sleeved on the top of the supporting rod 152; the bottom of the concentration tank 100 is sleeved with a cylindrical base 140, and a through hole is formed in the center of the base 140 and used for avoiding the disassembly and assembly of the electric heating tube 150.
Specifically, a discharge mechanism 200 is arranged between the concentration tank 100 and the tank top 110; the discharging mechanism 200 comprises a discharging hoop 210 sleeved between the concentrating tank 100 and the outer wall of the tank top 110, a sealing ring 220 sleeved at the bottom of the discharging hoop 210, a discharging plate 230 sleeved between the inner wall of the concentrating tank 100 and the outer wall of the heating cylinder 101, and a control ring group 240 for driving the sealing ring 220 to deflect and unseal the discharging hoop 210 for discharging;
The cross section of the material discharging hoop 210 is of a triangular shell structure, the inner side surface of the material discharging hoop is completely open, the corners of the bottom surface of the material discharging hoop 210 are radially symmetrically provided with discharge openings 211, the top surface of the material sealing ring 220 is radially symmetrically provided with material leakage openings 221, the material leakage openings 221 are not overlapped with the discharge openings 211 under normal conditions, and when material discharging is needed, the material leakage openings 221 are overlapped with the discharge openings 211 by rotating the material sealing ring 220; a plurality of vent pipes 233 are embedded on the bottom surface of the concentration tank 100 at equal intervals in an annular shape, electromagnetic valves are arranged on the vent pipes 233, and the top of the heating cylinder 101 is higher than the bottom surface of the discharge hoop 210;
The vent pipe 233 is controlled to be opened by the electromagnetic valve, and the atmospheric pressure is applied to the bottom of the discharge plate 230 to discharge the concentrated coffee from the top of the cartridge heater 101 to the top of the cartridge heater, so that the concentrated coffee is discharged into the discharge collar 210, and discharged into the can from the discharge port 211 and the discharge port 221 in a superposed state.
Specifically, the control ring set 240 includes a servo motor 241 for providing driving force, a water level sensing system 242 for triggering the forward rotation of the servo motor 241, and a transmission gear 243 coaxially connected to the output end of the servo motor 241, wherein the servo motor 241 is mounted on the inclined surface of the discharge hoop 210 by bolts; the water level sensing system 242 consists of a water level sensor and a control system for receiving a water level signal, wherein the water level sensor is embedded on the inclined surface bottom of the discharge hoop 210 and is used for sensing coffee discharged into the discharge hoop 210; a rack 223 meshed with the transmission gear 243 is embedded at the edge of the top surface of the material sealing ring 220;
The water level sensor is an instrument capable of converting water level parameters into corresponding electric quantity signals in real time, and is a prior art and is not described herein again; when the coffee level is sensed, it will send a signal, which can be received by the control system connected to the sensor, and the control system further judges whether the motor needs to be started according to the preset program and logic, so as to drive the transmission gear 243 to rotate, and the sealing ring 220 is driven to rotate through the meshing transmission of the rack 223, so that the discharge opening 221 coincides with the discharge opening 211.
Further, a timing start module for controlling the timing reverse start of the servo motor 241 is installed on the discharging hoop 210, the timing start module includes a timing module and a microcontroller, the timing module is used to set a time interval, and the microcontroller writes codes to control the reverse rotation of the servo motor, which is the prior art and is not described herein again; the water level sensing system, the timing starting module and the servo motor 241 are connected in parallel, so that the servo motor 241 is controlled to work in positive and negative directions respectively, and the material leakage opening 221 is overlapped and misplaced with the material discharge opening 211.
Further, the top outer wall of the heating cylinder 101 is provided with a positioning ring 102, and the middle of the discharge plate 230 is thicker than the edge thereof, so that when coffee is topped, the coffee can be guided to slide to the discharge hoop 210 to be discharged as soon as possible; the distance between the positioning ring 102 and the bottom surface of the discharge hoop 210 is equal to the thickness of the discharge plate 230, so that the edge of the limit discharge plate 230 is flush with the bottom surface of the discharge hoop 210, and the discharge is smooth; the outer wall of the heating cylinder 101 is symmetrically provided with guide strips 103, and the inner hole wall of the heating cylinder 101 is provided with guide grooves 232 which are matched and sleeved with the guide strips 103 and are used for guiding the discharge plate 230 to lift along the heating cylinder 101 so as to avoid rotation dislocation;
As shown in fig. 8 to 9, the bottom surface of the discharge collar 210 is provided with a discharge table 212 inclined toward the corners thereof for guiding coffee to slide toward the corners of the discharge collar 210 to be discharged from the discharge port 211 as soon as possible; the upper and lower parts of the inner side of the discharging hoop 210 are respectively provided with a fixed ring 213, the fixed rings 213 at the upper and lower positions are respectively fixedly connected with the tank top 110 and the concentration tank 100 through bolts, and a silica gel ring is arranged at the contact part to play a role in sealing;
A vertical ring is arranged at the outer edge of the top surface of the material sealing ring 220, the vertical ring is covered on the outer wall of the bottom of the material discharging hoop 210, a clamping plate 222 which is clamped with the inclined surface of the material discharging hoop 210 is welded on the top surface of the vertical ring, and the material sealing ring 220 is hung at the bottom of the material discharging hoop 210 due to the inclined clamping of the material discharging hoop 210 and the clamping plate 222; the top surface of the sealing ring 220 is adhered with a silicon sheet to play a role of sealing.
In addition, a stirring and cleaning mechanism 300 is arranged at the inner wall of the concentration tank 100, the stirring and cleaning mechanism 300 comprises a plurality of stirring rods 310 leaning against the inner wall of the concentration tank 100, a stirring motor 320 for driving the stirring rods 310 to rotate and a scraping plate 330 which is in fit and clamping connection with the inner cavity of the discharging hoop 210, the scraping plate 330 is welded with the outer wall of the stirring rods 310, and the stirring motor 320 is fixedly connected to the top of the tank top 110 through bolts, so that the stirring motor works stably; the stirring motor 320 is started to drive the stirring rods 310 to stir the coffee, so that the coffee is rapidly evaporated and concentrated in heating; the timing module of the present invention sets the time interval from when the servo motor 241 is started to when the stirring motor 320 drives the scraping plate 330 to rotate and scrape the material.
Further, a plurality of slots 231 for plugging with a plurality of stirring rods 310 are formed at the outer edge of the discharging plate 230, and are used for avoiding the stirring rods 310 when the discharging plate 230 is jacked up; a plurality of sealing blocks 104 which are correspondingly clamped with a plurality of slots 231 are welded on the inner wall of the bottom of the concentration tank 100, and are used for sealing the slots 231 when the discharging plate 230 is arranged at the bottom of the concentration tank 100; because the guide bar 103 and the guide groove 232 are positioned and guided, the rotation dislocation is avoided when the discharge plate 230 is lifted, so that the stirring motor 320 can stop and keep the stirring rod 310 stable and correspond to the slot 231 under the condition that the stirring motor 320 drives a plurality of stirring rods 310 to rotate once each time, so that the lifting of the discharge plate 230 after stirring is not influenced.
Further, a baffle bar 331 is welded at the bottom of the connection part of the scraping plate 330 and the stirring rod 310, and when the scraping plate 330 rotates to scrape the material, the baffle bar 331 is utilized to block the residual espresso coffee in the discharge hoop 210; a scraping block 332 with a triangular block structure is welded between the baffle bar 331 and the scraping plate 330, and the scraping block 332 is utilized to guide the espresso coffee intercepted by the baffle bar 331 to slide to the corners of the discharge hoop 210 along until being driven to the discharge opening 211 for discharge;
The bottom end of the output shaft of the stirring motor 320 is coaxially connected with a hanging ring 321, and the hanging ring 321 is sleeved with the inner wall of the tank top 110 and can rotate; a plurality of bayonets 322 are arranged on the inner wall of the lifting ring 321 at equal intervals, clamping blocks 311 with T-shaped structures are welded on the top ends of the stirring rods 310, and the clamping blocks 311 are matched with the bayonets 322 in a clamping manner, so that the stirring rods 310 can be quickly disassembled and assembled.
Further, a guide pipe 250 is hung outside the concentrate tank 100 and right below the discharge port 211 for collecting discharged espresso coffee; the lower end of the material guiding pipe 250 is provided with a discharging pipe 251 which is bent outwards and is contracted to be opened, so that the concentrated coffee is guided to a collecting place by a sleeving pipeline; a plurality of connecting rings 252 are welded between the pair of the material guiding pipes 250, and the connecting rings 252 are tightly sleeved and matched with the concentration tank 100, so that the material guiding pipes 250 are supported and stably suspended.
When the vacuum concentration device suitable for coffee production and processing is used, coffee powder is pumped into the concentration tank 100 from the feed pipe 111, clean water is pumped from the feed pipe 111 continuously, then the vacuum pump 130 is started to pump air in the concentration tank 100 to form a vacuum low-pressure state, a plurality of electric heating pipes 150 are electrified to generate heat to heat the concentration tank 100, and then coffee is boiled to form a concentrated viscous state, and the stirring motor 320 is started to drive the stirring rods 310 to stir the coffee so as to enable the coffee to be evaporated and concentrated rapidly in the heating process; after the coffee is cooled, a pipeline is opened through an electromagnetic valve of the ventilating pipe 233, external atmospheric pressure enters the bottom of the concentrating tank 100 from the ventilating pipe 233 and rises to the top discharge plate 230, namely, the top-supported concentrated coffee rises to the discharge hoop 210, the control ring set 240 is triggered to start up under the condition that the water level reaches, the sealing ring 220 is further driven to deflect, the coffee is discharged from the discharge opening 211 and the discharge opening 221 to the tank under the action of the atmospheric pressure, and in the process, the air in the tank top 110 can be continuously pumped out through the vacuum pump, so that the discharge plate 230 rises in place;
After the espresso coffee is discharged, air enters the tank top 110 to enable the discharge plate 230 to automatically descend to the bottom, at the moment, the stirring motor 320 is restarted to drive the stirring rods 310 to rotate, the scraping plate 330 is further driven to scrape the residual sticky coffee in the discharge hoop 210 to be discharged from the discharge opening 211, the coffee on the inner wall of the espresso tank 100 is scraped when the discharge plate 230 is lifted, finally clear water is introduced from the feed pipe 111, and the operation is carried out once according to the operation, so that the espresso tank 100 and the discharge plate 230 can be cleaned.
It should be noted that the foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (9)
1. Vacuum concentration device suitable for coffee production and processing, including concentrated jar (100) and top cover tank deck (110) of establishing, pressure control module (120) that are used for monitoring jar internal pressure, vacuum pump (130) and the condensation vacuum pipe of vacuum low pressure that are used for evacuating the air in the jar are installed at the top of tank deck (110), inlet pipe (111) and install the solenoid valve on inlet pipe (111) are installed to top one side of tank deck (110), its characterized in that: a heating cylinder (101) is arranged on the bottom central shaft of the concentration tank (100), the bottom end of the heating cylinder (101) is provided with an opening, and a plurality of electric heating pipes (150) are arranged in the heating cylinder (101) at equal intervals along the circumference; a discharging mechanism (200) is arranged between the concentration tank (100) and the tank top (110);
The discharging mechanism (200) comprises a discharging hoop (210) sleeved between the concentrating tank (100) and the outer wall of the tank top (110), a sealing ring (220) sleeved at the bottom of the discharging hoop (210), a discharging plate (230) sleeved between the inner wall of the concentrating tank (100) and the outer wall of the heating cylinder (101), and a control ring group (240) for driving the sealing ring (220) to deflect and unseal the discharging hoop (210) for discharging; the cross section of the discharge hoop (210) is of a triangular shell structure, the inner side surface of the discharge hoop is completely open, discharge openings (211) are symmetrically arranged at corners of the bottom surface of the discharge hoop (210) in a radial direction, discharge openings (221) are symmetrically arranged on the top surface of the sealing ring (220) in the radial direction, a plurality of vent pipes (233) are embedded in the bottom surface of the concentration tank (100) in an annular equidistant manner, electromagnetic valves are arranged on the vent pipes (233), and the top of the heating cylinder (101) is higher than the bottom surface of the discharge hoop (210);
Pumping coffee powder into a concentrating tank (100) from a feeding pipe (111), pumping clear water from the feeding pipe (111), starting a vacuum pump (130) to pump air out of the concentrating tank (100) to form a vacuum low-pressure state, electrifying a plurality of electric heating pipes (150) to heat the concentrating tank (100) so as to boil coffee to form a concentrated viscous state, electrifying an electromagnetic valve of an air pipe (233) to open a pipeline after the coffee is cooled, introducing external atmospheric pressure into the bottom of the concentrating tank (100) from the air pipe (233) to push up a discharge plate (230), namely lifting the top-concentrated coffee into a discharge hoop (210), triggering a control ring group (240) to start under the condition that the water level reaches, driving a sealing ring (220) to deflect, and discharging the coffee from a discharge opening (211) and a leakage opening (221) into the tank under the action of atmospheric pressure;
The top outer wall of a heating cylinder (101) is provided with a positioning ring (102), the middle of a discharge plate (230) is thicker than the edge of the heating cylinder, the distance between the positioning ring (102) and the bottom surface of the discharge hoop (210) is equal to the thickness of the discharge plate (230), the outer wall of the heating cylinder (101) is symmetrically provided with a guide strip (103), and the inner hole wall of the heating cylinder (101) is provided with a guide groove (232) which is sleeved with the guide strip (103) in a matching mode.
2. Vacuum concentration device suitable for coffee production and processing according to claim 1, characterized in that: the control ring group (240) comprises a servo motor (241) for providing driving force, a water level sensing system (242) for triggering the servo motor (241) to rotate positively and a transmission gear (243) coaxially connected with the output end of the servo motor (241); the water level sensing system (242) consists of a water level sensor and a control system for receiving a water level signal, wherein the water level sensor is embedded on the bottom of an inclined plane of the discharge hoop (210), and a rack (223) meshed with a transmission gear (243) is embedded at the edge of the top surface of the material sealing ring (220).
3. Vacuum concentration device suitable for coffee production processing according to claim 2, characterized in that: the material discharging hoop (210) is provided with a timing starting module for controlling the timing reverse starting of the servo motor (241), the timing starting module comprises a timing module and a microcontroller, and the water level sensing system, the timing starting module and the servo motor (241) are connected in parallel.
4. A vacuum concentrating apparatus suitable for use in coffee production and processing as claimed in claim 3, wherein: the bottom surface of row material hoop (210) is equipped with row material platform (212) to its corner slope, row material hoop (210) inboard all is equipped with solid fixed ring (213) from top to bottom, gu fixed ring (213) of upper and lower position pass through bolt fixed connection with tank deck (110) and concentrate jar (100) respectively.
5. Vacuum concentration device suitable for coffee production processing according to claim 4, characterized in that: the top surface outward flange department of seal material ring (220) is equipped with erects the ring, and erects the ring cover and locate on the outer wall of row material hoop (210) bottom, the top surface welding of erects the ring have with row material hoop (210) inclined plane joint splint (222), the top surface bonding of seal material ring (220) has the silica gel piece.
6. Vacuum concentration device suitable for coffee production processing according to claim 5, characterized in that: the utility model discloses a concentrated jar of stirring clearance mechanism (300) is provided with in concentrated jar (100) inner wall department, stirring clearance mechanism (300) are including leaning on a plurality of puddlers (310) of concentrated jar (100) inner wall, be used for driving rotatory (320) of a plurality of puddlers (310) and scrape flitch (330) with the interior looks adaptation joint of row's material hoop (210), scrape flitch (330) and puddler (310) outer wall welding.
7. Vacuum concentration device suitable for coffee production processing according to claim 6, characterized in that: a plurality of slots (231) which are spliced with a plurality of stirring rods (310) are formed in the outer edge of the discharging plate (230), and a plurality of sealing blocks (104) which are correspondingly clamped with the plurality of slots (231) are welded on the inner wall of the bottom of the concentration tank (100).
8. Vacuum concentration device suitable for coffee production processing according to claim 7, characterized in that: the bottom welding of scraping board (330) and puddler (310) junction has blend stop (331), the welding has between blend stop (331) and the contained angle of scraping board (330) to be scraping material piece (332) that are triangular block structure, the output shaft bottom coaxial coupling of agitator motor (320) has rings (321), a plurality of bayonet sockets (322) have been seted up to the inner wall equidistant of rings (321), the top welding of puddler (310) has fixture block (311) that are T type structure, fixture block (311) and bayonet socket (322) joint cooperation.
9. Vacuum concentration device suitable for use in coffee production processes according to claim 8, characterized in that: the concentrating tank is characterized in that a material guide pipe (250) is hung outside the concentrating tank (100) and below the discharging opening (211), and a discharging pipe (251) which is bent outwards and is provided with a shrinkage opening is arranged at the lower end of the material guide pipe (250).
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