CN114868798A - Pressure spray drying tower for milk powder processing and wet process - Google Patents
Pressure spray drying tower for milk powder processing and wet process Download PDFInfo
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- CN114868798A CN114868798A CN202210482052.1A CN202210482052A CN114868798A CN 114868798 A CN114868798 A CN 114868798A CN 202210482052 A CN202210482052 A CN 202210482052A CN 114868798 A CN114868798 A CN 114868798A
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- 235000013336 milk Nutrition 0.000 title claims abstract description 142
- 239000008267 milk Substances 0.000 title claims abstract description 142
- 210000004080 milk Anatomy 0.000 title claims abstract description 142
- 238000001694 spray drying Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 24
- 238000009700 powder processing Methods 0.000 title description 5
- 239000000843 powder Substances 0.000 claims abstract description 95
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims description 86
- 239000000463 material Substances 0.000 claims description 64
- 238000001914 filtration Methods 0.000 claims description 53
- 238000002156 mixing Methods 0.000 claims description 31
- 235000013365 dairy product Nutrition 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 18
- 230000001954 sterilising effect Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007872 degassing Methods 0.000 claims description 8
- 235000015097 nutrients Nutrition 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 235000020185 raw untreated milk Nutrition 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000009928 pasteurization Methods 0.000 claims description 4
- 235000008476 powdered milk Nutrition 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 4
- 239000008158 vegetable oil Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 2
- 238000012546 transfer Methods 0.000 description 16
- 241000220317 Rosa Species 0.000 description 10
- 238000013329 compounding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000005086 pumping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 206010006272 Breast mass Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005906 menstruation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C1/00—Concentration, evaporation or drying
- A23C1/04—Concentration, evaporation or drying by spraying into a gas stream
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C1/00—Concentration, evaporation or drying
- A23C1/12—Concentration by evaporation
-
- A23C3/00—
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C7/00—Other dairy technology
- A23C7/04—Removing unwanted substances other than lactose or milk proteins from milk
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/1528—Fatty acids; Mono- or diglycerides; Petroleum jelly; Paraffine; Phospholipids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/16—Agglomerating or granulating milk powder; Making instant milk powder; Products obtained thereby
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Epidemiology (AREA)
- Dairy Products (AREA)
Abstract
The invention relates to the field of milk powder, and aims to provide a pressure spray drying tower for processing milk powder and a wet process. The cleaning mechanism has the advantages that the driving motor can well drive the transmission rod to rotate when being electrified, the transmission rod rotates to drive the cleaning brush to rotate to clean away milk powder attached to the inner wall of the tower body, meanwhile, the transmission disc on the outer wall of one side of the transmission rod rotates in the process, the transmission disc rotates inside the gear groove, and due to the arrangement of the transmission ratio, the driving motor is driven to slowly move inside the limiting groove, so that the inside of the tower body can be well cleaned.
Description
Technical Field
The invention relates to the field of milk powder, in particular to a pressure spray drying tower for processing milk powder and a wet process.
Background
With the improvement of living standard, people have higher and higher requirements on material life, and pay more attention to nutrition and health; the milk is rich in high nutrition and is widely loved by people, but the fresh liquid milk is not easy to store for a long time, and the liquid milk is dried to be made into milk powder, so that the rich nutrition of the milk is reserved, and the milk can be stored for a long time; the drying process of milk powder is the key that influences the production quality and the production efficiency of milk powder, and drying devices in the current milk powder processing realize drying mostly through heating and evaporating, wherein spray drying method is the most common.
Application No. CN 107238256A's application date is 20170717 provides a high-efficient spray drying device is used in milk powder processing, including spray dryer, the first cyclone that communicates with spray dryer, the first fluidized bed dryer that communicates with spray dryer discharge hopper, the second fluidized bed dryer that communicates with first fluidized bed dryer discharge hopper and the second cyclone that communicates with first fluidized bed dryer and second fluidized bed dryer air-out pipe, the bottom of first cyclone and second cyclone is through closing wind tripper and feed back pipe respectively and first fluidized bed dryer and second fluidized bed dryer intercommunication. The invention improves the drying speed and the heat utilization efficiency of the milk powder, saves energy, avoids the phenomenon of reduced processing quality of the milk powder caused by inaccurate operation and control, and meets the use requirements of people on high-quality, high-efficiency and low-energy consumption drying production of the milk powder.
Above-mentioned and prior art obtains the milk powder after drying tower flash drying, and the milk powder is attached to the inner wall of tower body very easily under the effect of other internal portion air current, and long-time use can lead to the inside of tower body to become the thick milk dirt of one deck, and long-time use not only leads to drying efficiency slow, leads to a large amount of breast lumps to appear very easily, leads to the milk powder qualification rate to descend, and the manual work cleans very inconvenience simultaneously, consequently needs to solve above-mentioned problem urgently.
Summary of the invention
In view of the above, the present invention provides a pressure spray drying tower with a cleaning mechanism for processing milk powder and a wet process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a pressure spray drying tower for processing milk powder comprises a tower body, wherein a cleaning mechanism is arranged inside the tower body, a drying mechanism and a cooling mechanism are further arranged on two sides of the tower body, the cleaning mechanism comprises a limiting disc, a limiting groove is formed in the top of the limiting disc, a driving motor is connected to the inside of the limiting groove in a sliding mode, a transmission rod is arranged at one end of an output shaft of the driving motor, a cleaning brush is arranged on the outside of the transmission rod, the cleaning brush is attached to the inner wall of one side of the tower body, a gear groove is formed in the inner wall of one side of the tower body and located above the limiting disc, a transmission disc is arranged on the outside of the transmission rod and located below the cleaning brush and meshed with the gear groove, a spray head is arranged at the top of the tower body, a drying channel is reserved above the tower body, and penetrates through the drying channel to the inside of the tower body, the tail end of the drying channel is provided with a first channel and a second channel which are both communicated with the drying channel, and one side of the first channel is provided with an electromagnetic valve
The key concept of the technical scheme is as follows: through the mechanism that cleans that sets up, driving motor can be fine when the circular telegram drive the transfer line and rotate, the rotation of transfer line drives the brush cleaner and rotates, sweep the adnexed milk powder of tower body inner wall, simultaneously at this in-process, the driving disc of transfer line one side outer wall rotates, the driving disc rotates in the inside of gear groove, because the setting of drive ratio, thereby drive driving motor and carry out slow movement in the inside of spacing groove, thereby can be fine clean the inside of tower body
Further, the drying mechanism comprises a drying oven, and an electric heating wire is arranged inside the drying oven.
Furthermore, a filtering mechanism is further arranged and comprises a first filtering box and a second filtering box, the second filtering box is located above the drying box, the first filtering box is located below the drying box, and a first filtering net and a second filtering net are respectively arranged inside the first filtering box and the second filtering box.
Further, the top of second rose box is provided with the return bend, the return bend is kept away from the one end of second rose box and is connected with one side outer wall of tower body, return bend and drying channel intercommunication.
Further, cooling body includes the fan, the one end of the air intake of fan is provided with the air-supply line, the air-out end of fan is provided with out the tuber pipe, the one end that goes out the tuber pipe and keep away from the fan runs through to the inside of tower body.
Furthermore, the bottom of the tower body is provided with a flow guide box, the bottom of the flow guide box is provided with a cyclone separator, the discharge end of the cyclone separator is provided with a discharge pipe, and the air outlet end of the cyclone separator is provided with an air outlet pipe.
Further, one side outer wall of flow guide box is provided with the air hammer, the quantity of air hammer is four, and four air hammers evenly distributed are at one side outer wall of flow guide box.
Furthermore, the outer wall of the bottom of the first filter box is provided with a support, and the support is used for supporting the positions of the drying box, the first filter box and the second filter box.
Further, one side outer wall of tower body is provided with four bracing pieces, the bottom of bracing piece is provided with the connecting plate, the one end threaded connection of connecting plate has the screw rod, the bottom of screw rod is provided with the supporting seat, the other end of connecting plate is provided with the universal wheel, the outside threaded connection of screw rod has adjusting bolt, adjusting bolt sets up the below at the connecting plate.
A wet process for processing milk powder comprises the following steps:
raw milk: the inspection and acceptance are carried out according to the internal control standard of the enterprise, and the product is put into use after being qualified;
cleaning milk: a milk collecting degassing tank, a plate heat exchanger, an outdoor milk bin 1 and a separator are adopted, after the milk collecting degassing tank is degassed, the plate heat exchanger is cooled and is pumped into the outdoor milk bin, and then the milk is preheated by the plate heat exchanger and purified by the separator;
and (3) sterilization: sterilizing by adopting a pasteurization machine;
and (3) refrigerating: the materials are cooled by the plate heat exchanger and then are pumped into an outdoor milk bin 2 for storage;
standardizing ingredients: according to the production formula, raw and auxiliary materials are measured by an electronic scale and a flowmeter, the raw and auxiliary materials are manually fed in a non-sequential manner, are physically screened by a vibrating screening machine and then enter a powder bin, and are injected into a dairy mixer for mixing during mixing;
manually putting the compound nutrient enhancer into a formulated nutrient fusion tank for dissolving, and putting the mixed materials into a dairy mixer for mixing;
the vegetable oil is thrown into a metering tank, and is thrown into a dairy mixer through a flowmeter to be mixed during mixing;
raw milk is squeezed into the compounding jar, and the compounding jar is squeezed into after the plate heat exchanger preheats to batching water, mixes the back material and gets into the dairy products blendor after the plate heat exchanger heating, gets back to the compounding jar again, recycles the material, and the during course auxiliary material is squeezed into the dairy products blendor and is mixed, adds batching water after the circulation material is finished and carries out the constant volume to the compounding jar.
Homogenizing: the mixed materials are injected into a homogenizer for homogenization through high pressure, cooled through a plate heat exchanger and injected into a storage tank for storage
Sterilization and concentration: the material is thrown into a balancing tank, preheated by the upper part of a flash evaporation preheater, sterilized by steam spraying, sent out a non-condensable gas through the lower part of a flash evaporator, concentrated by an evaporator and thrown into a thick milk tank.
Spray drying: the materials in the thick milk tank are heated by a thick milk heater, pressurized by an external high-pressure pump and sprayed into the tower body through a spray head, meanwhile, the gas enters a drying box through a first filter screen for heating, after entering the bent pipe through the second filter tank, the water is conveyed to the first channel and the second channel by the bent pipe, because the first channel and the second channel are arranged at the periphery of the spray head, so that the thick milk can be quickly dried after being sprayed by the spray head, the moisture of the thick milk is evaporated, meanwhile, the cooling mechanism arranged at one side introduces external cold air into the tower body by the fan, the dried milk powder is cooled and then discharged through the cyclone separator, the cleaning mechanism arranged in the process can effectively prevent the milk powder from attaching to the inner wall of the tower body, when the milk powder flows through the flow guide box, the milk powder can quickly enter the cyclone separator while the air hammer strikes the flow guide box, and secondary drying is carried out in the next step;
secondary drying by a fluidized bed: the material discharged from the powder separator of the spray drying tower is cooled by the immobilized fluidized bed. Evaporating water, and separating the blocks into powder bin through a vibrating screen.
Packaging: the branch material is bagged manually, sealed and packaged through a semi-automatic system, and conveyed to an outer packaging room.
The beneficial effects of the invention are as follows: (1) through the arranged cleaning mechanism, the driving motor can well drive the transmission rod to rotate when being electrified, the rotation of the transmission rod drives the cleaning brush to rotate, so that the milk powder attached to the inner wall of the tower body is cleaned, meanwhile, the transmission disc on the outer wall of one side of the transmission rod rotates in the process, the transmission disc rotates in the gear groove, and due to the arrangement of the transmission ratio, the driving motor is driven to slowly move in the limiting groove, so that the interior of the tower body can be well cleaned; (2) the first channel and the second channel are communicated with the drying channel, the electromagnetic valve is arranged on one side of the first channel, and the first channel can be closed and opened well under the condition of controlling the electromagnetic valve, so that the entering speed of hot air is controlled, and the drying speed of the milk powder is controlled; (3) the first filter screen and the second filter screen are arranged, so that the purity of the gas entering the tower can be well filtered, and meanwhile, the gas is sterilized and heated through the drying box, so that the sterile environment in the tower body can be effectively guaranteed, and the tower has good filtering effect and sterilizing effect; (4) through the universal wheel that sets up, the position of tower body is adjusted according to user's demand that can be fine, reduces the drawback of tower body when removing to through the screw rod, supporting seat and adjusting bolt, the position of fixed tower body that can be fine has certain nimble mobility.
Drawings
Fig. 1 is a schematic perspective view of a pressure spray drying tower and a wet process for processing milk powder.
Fig. 2 is a schematic sectional view showing a pressure spray drying tower for processing milk powder and a wet process.
Fig. 3 is a schematic diagram of a half-section structure of a pressure spray drying tower and a wet process for processing milk powder.
Fig. 4 is a schematic view showing a partial enlarged structure of a pressure spray drying tower and a wet process for processing milk powder.
Fig. 5 is a schematic diagram of a half-section structure of a pressure spray drying tower and a wet process for processing milk powder.
Fig. 6 is a schematic structural diagram of a pressure spray drying tower for processing milk powder and a cleaning mechanism of a wet process.
Fig. 7 is a schematic view of a pressure spray drying tower for processing milk powder and a universal wheel structure of a wet process.
The reference numbers illustrate:
1-tower body, 2-second filter box, 3-elbow, 4-drying box, 5-first filter box, 6-air outlet pipe, 7-blower, 8-air inlet pipe, 9-diversion box, 10-cyclone separator, 11-discharge pipe, 12-air outlet pipe, 13-air hammer, 14-second filter screen, 15-heating wire, 16-first filter screen, 17-support rod, 18-cleaning mechanism, 19-limiting disc, 20-limiting groove, 22-cleaning brush, 23-transmission rod, 24-transmission disc, 25-driving motor, 26-gear groove, 27-drying channel, 28-first channel, 29-second channel, 30-nozzle, 31-electromagnetic valve, 32-bracket, 33-screw rod, 34-supporting seat, 35-connecting plate, 36-universal wheel and 37-adjusting bolt.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples:
as shown in fig. 1-7, the present invention provides a pressure spray drying tower for processing milk powder, which comprises a tower body, a cleaning mechanism 18 is disposed inside the tower body, a drying mechanism and a cooling mechanism are disposed on both sides of the tower body, the cleaning mechanism includes a limiting disc 19, a limiting groove 20 is disposed on the top of the limiting disc 19, a driving motor 25 is slidably connected inside the limiting groove 20, a transmission rod 23 is disposed at one end of an output shaft of the driving motor 25, a cleaning brush 22 is disposed outside the transmission rod 23, the cleaning brush 22 is attached to an inner wall of one side of the tower body, the driving motor can well drive the transmission rod to rotate while being powered on, the transmission rod rotates to drive the cleaning brush to rotate to clean milk powder attached to the inner wall of the tower body, a gear groove 26 is disposed on the inner wall of one side of the tower body, the gear groove 26 is located above the limiting disc 19, the outside of transfer line 23 is provided with drive plate 24, drive plate 24 is located the below of brush cleaner 22, drive plate 24 and gear groove 26 mesh, and the drive plate of transfer line one side outer wall rotates, and the drive plate rotates in the inside of gear groove, because the setting of drive ratio, thereby drive driving motor and carry out slow movement in the inside of spacing groove, thereby the inside of cleaning the tower body that can be fine the top of tower body is provided with shower nozzle 30, the top of tower body is reserved has dry passageway 27, shower nozzle 30 passes dry passageway 27 and runs through to the inside of tower body, the end of dry passageway 27 is provided with first passageway 28 and second passageway 29, first passageway 28 and second passageway 29 all with dry passageway 27, one side of first passageway 28 is provided with solenoid valve 31, first passageway and second passageway all communicate with dry passageway, one side of first passageway is provided with the solenoid valve, under the condition of controlling the electromagnetic valve, the first channel can be closed and opened in a well-controlled manner, so that the entering speed of hot air is controlled, and the drying speed of the milk powder is controlled.
It should be noted that, the transmission ratio of the transmission rod is smaller than the transmission ratio of the transmission disk and the gear groove, which is equivalent to that the pinion drives the large gear to be large in small belt, that is, in the high-speed movement of the transmission rod, the driving motor slowly moves in the limiting groove to clean the inner wall of the whole tower body, and the prior art is not repeated.
Specifically, the working principle of the invention is as follows: through the mechanism that cleans that sets up, driving motor can be fine when the circular telegram drive the transfer line and rotate, and the rotation of transfer line drives the brush cleaner and rotates, sweeps away the adnexed milk powder of tower body inner wall, and simultaneously at this in-process, the driving disc of transfer line one side outer wall rotates, and the driving disc rotates in the inside of gear groove, because the setting of drive ratio to drive driving motor and carry out the slow movement in the inside of spacing groove, thereby can be fine clean the inside of tower body.
As can be seen from the above description, the present disclosure has the following advantageous effects: through the arranged cleaning mechanism, the driving motor can well drive the transmission rod to rotate when being electrified, the rotation of the transmission rod drives the cleaning brush to rotate, so that the milk powder attached to the inner wall of the tower body is cleaned, meanwhile, the transmission disc on the outer wall of one side of the transmission rod rotates in the process, the transmission disc rotates in the gear groove, and due to the arrangement of the transmission ratio, the driving motor is driven to slowly move in the limiting groove, so that the interior of the tower body can be well cleaned; through the first passageway and the second passageway that set up, first passageway and second passageway all communicate with dry passageway, and one side of first passageway is provided with the solenoid valve, and under the circumstances through control solenoid valve, control that can be fine is closed and is opened first passageway to the speed that control steam got into reaches the dry speed of control milk powder.
Further, drying mechanism is including the drying cabinet, the inside of drying cabinet is provided with heating wire 15, and heating wire 15 can be fine heats the gas through the inside of drying cabinet.
Further, still be provided with filtering mechanism, filtering mechanism includes first rose box and second rose box, the second rose box is located the top of drying cabinet, first rose box is located the below of drying cabinet, the inside of first rose box and second rose box be provided with first filter screen 16 and second filter screen 14 respectively, first filter screen and second filter screen, the purity degree when filtering gas that can be fine gets into, second filter screen 14 be high temperature resistant filter screen, the gas after the drying of the hand drying cabinet of menstruation that can be fine.
Further, the top of second rose box is provided with the return bend, the return bend is kept away from the one end of second rose box and is connected with one side outer wall of tower body, return bend 3 and drying channel 27 intercommunication.
Further, cooling body includes the fan, the one end of the air intake of fan is provided with the air-supply line, the air-out end of fan is provided with out the tuber pipe, the one end that goes out the tuber pipe and keep away from the fan runs through to the inside of tower body, it is located the below of shower nozzle to go out the tuber pipe, behind milk powder rapid draing, can be fine cool off milk powder, according to the temperature of user's regulation fan air inlet, can control, what need explain this moment, can connect outside refrigeration plant, cool off the air after filtering to realize above-mentioned technique, the temperature when the air temperature of arranging in the tower body is low with milk powder drying.
Further, the bottom of tower body be provided with the guide box, the bottom of guide box is provided with cyclone 10, cyclone 10's discharge end is provided with discharging pipe 11, cyclone 10's the end of giving vent to anger is provided with outlet duct 12, and cyclone can be fine with material and gas separation to obtain milk powder, so that carry out the secondary drying.
Further, one side outer wall of flow guide box is provided with air hammer 13, the quantity of air hammer 13 is four, and four air hammer 13 evenly distributed are at one side outer wall of flow guide box, after drying tower flash drying obtains the milk powder, the milk powder is attached to on the inner wall of tower body very easily under the effect of other internal air current, long-time use can lead to the inside of tower body to become the thick milk dirt of one deck, long-time use not only leads to drying efficiency slow, lead to a large amount of breast pieces to appear very easily, lead to the milk powder qualification rate to descend, the very inconvenience of artifical cleaning simultaneously, constantly strike the outer wall of flow guide box through the air hammer, can be fine prevent remaining of milk powder, make the quick cyclone that gets into through the flow guide box of milk powder after the cooling.
Further, a bracket 32 is arranged on the outer wall of the bottom of the first filtering box 16, the bracket 32 is used for supporting the positions of the drying box, the first filtering box and the second filtering box, an air compressor can be arranged on the outer wall of one side of the bracket 32, and an air outlet of the compressor is communicated with the inside of the first filtering box, so that air can be continuously supplied.
Further, one side outer wall of tower body is provided with four bracing pieces 17, the bottom of bracing piece 17 is provided with connecting plate 35, the one end threaded connection of connecting plate 35 has screw rod 33, the bottom of screw rod 33 is provided with supporting seat 34, the other end of connecting plate 35 is provided with universal wheel 36, the outside threaded connection of screw rod 33 has adjusting bolt 37, adjusting bolt 37 sets up in the below of connecting plate 35, and through the rotation of adjusting bolt 37 control screw rod 33 that can be fine, the rotation of screw rod 33 can be fine drive supporting seat 34 and keep away from or contact ground to the realization is to the support and the removal of device body.
By adopting the first filter screen and the second filter screen, the purity of the gas entering the tower can be well filtered, and meanwhile, the gas is sterilized and heated by the drying box, so that the sterile environment in the tower body can be effectively ensured, and the tower has good filtering effect and sterilizing effect; through the universal wheel that sets up, the position of tower body is adjusted according to user's demand that can be fine, reduces the drawback of tower body when removing to through the screw rod, supporting seat and adjusting bolt, the position of fixed tower body that can be fine has certain nimble mobility.
A wet process for processing milk powder comprises the following steps:
raw milk: the inspection and acceptance are carried out according to the internal control standard of the enterprise, and the product is put into use after being qualified;
cleaning milk: a milk collecting degassing tank, a plate heat exchanger, an outdoor milk bin 1 and a separator are adopted, after the milk collecting degassing tank is degassed, the plate heat exchanger is cooled and is pumped into the outdoor milk bin, and then the milk is preheated by the plate heat exchanger and purified by the separator;
and (3) sterilization: sterilizing by adopting a pasteurization machine;
and (3) refrigerating: cooling the material to 0-4 ℃ after the temperature of the material is reduced by a plate heat exchanger, and pumping the material into an outdoor milk bin 2 for storage;
standardizing ingredients: according to the production formula, raw and auxiliary materials are measured by an electronic scale and a flowmeter, the raw and auxiliary materials are manually fed in a non-sequential manner, are physically screened by a vibrating screening machine and then enter a powder bin, and are injected into a dairy mixer for mixing during mixing;
manually putting the compound nutrient enhancer into a formulated nutrient fusion tank for dissolving, and putting the mixed materials into a dairy mixer for mixing;
the vegetable oil is thrown into a metering tank, and is thrown into a dairy mixer through a flowmeter to be mixed during mixing;
raw milk is squeezed into the mixing tank, and the compounding water is squeezed into the mixing tank after plate heat exchanger preheats, and the material gets into the dairy products blendor after mixing (48 to 58 degrees centigrade) through the plate heat exchanger heating, gets back to the mixing tank again, and the material 900S that circulates is dissolved, and during this period supplementary material is squeezed into the dairy products blendor and is mixed, and the circulation is dissolved and is added the compounding water and carry out the constant volume to the mixing tank after the material.
Homogenizing: and (3) pumping the mixed materials into a homogenizer for homogenization through high pressure, cooling by 8-15 ℃ through a plate heat exchanger, and pumping into a storage tank for storage.
Sterilization and concentration: the materials are pumped into a balance tank, preheated by the upper part of a flash evaporation preheater, sterilized by steam spraying (the temperature is controlled at 90-98 ℃), then the peculiar smell and the non-condensable gas are discharged by the lower part of a flash evaporator, and then the materials are pumped into a thick milk tank by an evaporator for concentration (the steam pressure is 3-6 bar, and the triple effect vacuum is-0.70 bar to-10 bar).
Spray drying: heating the material in the milk thickening tank by a milk thickening heater, pressurizing by an external high-pressure pump, spraying the material into the interior of the tower body through a spray head, simultaneously heating the gas in a drying box through a first filter screen (the temperature of 180 plus 210 ℃ and the exhaust temperature is 75-95 ℃), conveying the gas in a bent pipe through a second filter box to a first channel and a second channel through the bent pipe, drying the milk quickly after the milk is sprayed out of the spray head due to the fact that the first channel and the second channel are arranged on the periphery of the spray head, evaporating the moisture of the milk, simultaneously introducing external cold air into the tower body by a fan through a cooling mechanism arranged on one side, cooling the dried milk powder by 0 mbar-negative 10mbar not containing 0 in the tower, discharging the milk powder through a cyclone separator, and effectively preventing the milk powder from attaching to the inner wall of the tower body by a cleaning mechanism arranged in the process, when the milk powder flows through the flow guide box, the milk powder can quickly enter the cyclone separator while the air hammer strikes the flow guide box, and secondary drying is carried out in the next step;
secondary drying by a fluidized bed: the material discharged from the powder separator of the spray drying tower is cooled by the immobilized fluidized bed to ensure that the temperature of the milk powder is less than 33 ℃, the moisture is evaporated, and the material passes through the vibrating screen to separate the blocks and enters the powder bin.
Packaging: the branch material is bagged manually, sealed and packaged through a semi-automatic system, and conveyed to an outer packaging room.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present disclosure and the technical contribution of the present disclosure with respect to the prior art:
example 1
The utility model provides a pressure spray drying tower for milk powder processing, includes the tower body, the inside of tower body is provided with cleans mechanism 18, the both sides of tower body still are provided with drying mechanism and cooling body, clean the mechanism and include spacing dish 19, spacing groove 20 has been seted up at the top of spacing dish 19, the inside sliding connection of spacing groove 20 has driving motor 25, the one end of driving motor 25 output shaft is provided with transfer line 23, the outside of transfer line 23 is provided with cleaning brush 22, cleaning brush 22 and the laminating of one side inner wall of tower body, driving motor can be fine drive the transfer line rotation in the circular telegram, the rotation of transfer line drives cleaning brush and rotates, sweeps the adnexed milk powder of tower body inner wall, gear groove 26 has been seted up to one side inner wall of tower body, gear groove 26 is located the top of spacing dish 19, the outside of transfer line 23 is provided with drive plate 24, the transmission disc 24 is positioned below the cleaning brush 22, the transmission disc 24 is meshed with the gear groove 26, the transmission disc on the outer wall of one side of the transmission rod rotates in the gear groove, the transmission disc rotates in the gear groove, due to the arrangement of the transmission ratio, the transmission disc drives the driving motor to slowly move in the limiting groove, so that the interior of the tower body can be well cleaned, the spray head 30 is arranged at the top of the tower body, the drying channel 27 is reserved above the tower body, the spray head 30 penetrates through the drying channel 27 to penetrate into the interior of the tower body, the tail end of the drying channel 27 is provided with the first channel 28 and the second channel 29, the first channel 28 and the second channel 29 are both communicated with the drying channel 27, the electromagnetic valve 31 is arranged on one side of the first channel 28, the first channel and the second channel are both communicated with the drying channel, the electromagnetic valve is arranged on one side of the first channel, under the condition of controlling the electromagnetic valve, the first channel can be closed and opened under good control, so that the hot air entering speed is controlled, and the milk powder drying speed is controlled.
It should be noted that, the transmission ratio of the transmission rod is smaller than the transmission ratio of the transmission disc and the gear groove, which is equivalent to that the pinion drives the large gear to have a small belt, that is, in the high-speed movement of the transmission rod, the driving motor slowly moves in the limiting groove to clean the inner wall of the whole tower body, and the prior art is not described any more.
Specifically, the working principle of the invention is as follows: through the mechanism that cleans that sets up, driving motor can be fine when the circular telegram drive the transfer line and rotate, and the rotation of transfer line drives the brush cleaner and rotates, sweeps away the adnexed milk powder of tower body inner wall, and simultaneously at this in-process, the driving disc of transfer line one side outer wall rotates, and the driving disc rotates in the inside of gear groove, because the setting of drive ratio to drive driving motor and carry out the slow movement in the inside of spacing groove, thereby can be fine clean the inside of tower body.
Example 2
The embodiment is further limited on the basis of embodiment 1, wherein the drying mechanism comprises a drying oven, a heating wire 15 is arranged in the drying oven, and the heating wire 15 can well heat the gas passing through the drying oven; the gas purifier is also provided with a filtering mechanism, the filtering mechanism comprises a first filtering box and a second filtering box, the second filtering box is positioned above the drying box, the first filtering box is positioned below the drying box, a first filtering net 16 and a second filtering net 14 are respectively arranged inside the first filtering box and the second filtering box, the first filtering net and the second filtering net can well filter the purity of gas when the gas enters, and the second filtering net 14 is a high-temperature-resistant filtering net and can well filter the gas dried by the drying box; the top of the second filter tank is provided with a bent pipe, one end of the bent pipe, which is far away from the second filter tank, is connected with the outer wall of one side of the tower body, and the bent pipe 3 is communicated with the drying channel 27; the cooling mechanism comprises a fan, an air inlet pipe is arranged at one end of an air inlet of the fan, an air outlet pipe is arranged at an air outlet end of the fan, one end, far away from the fan, of the air outlet pipe penetrates into the tower body, the air outlet pipe is located below the spray head, milk powder can be well cooled after being rapidly dried, the temperature of the air inlet of the fan is adjusted according to a user, and the control can be carried out; the bottom of the tower body is provided with a flow guide box, the bottom of the flow guide box is provided with a cyclone separator 10, the discharge end of the cyclone separator 10 is provided with a discharge pipe 11, the gas outlet end of the cyclone separator 10 is provided with a gas outlet pipe 12, and the cyclone separator can well separate materials from gas so as to obtain milk powder for secondary drying; the outer wall of one side of the diversion box is provided with the air hammers 13, the number of the air hammers 13 is four, the four air hammers 13 are uniformly distributed on the outer wall of one side of the diversion box, after the milk powder is obtained by fast drying in the drying tower, the milk powder is easily attached to the inner wall of the tower body under the action of air flow in the other body, a layer of thick milk scale is formed in the tower body due to long-time use, the drying efficiency is slow due to long-time use, a large amount of milk blocks are easily caused, the qualification rate of the milk powder is reduced, meanwhile, the inconvenience is caused by manual cleaning, the outer wall of the diversion box is continuously knocked by the air hammers, the milk powder can be well prevented from being remained, and the cooled milk powder can quickly enter the cyclone separator through the diversion box; the outer wall of the bottom of the first filtering box 16 is provided with a bracket 32, the bracket 32 is used for supporting the drying box, the positions of the first filtering box and the second filtering box, the outer wall of one side of the bracket 32 can be provided with an air compressor, and an air outlet of the air compressor is communicated with the inside of the first filtering box so as to realize continuous gas supply; the outer wall of one side of the tower body is provided with four support rods 17, the bottom of each support rod 17 is provided with a connecting plate 35, one end of each connecting plate 35 is in threaded connection with a screw 33, the bottom of each screw 33 is provided with a support seat 34, the other end of each connecting plate 35 is provided with a universal wheel 36, the outer portion of each screw 33 is in threaded connection with an adjusting bolt 37, each adjusting bolt 37 is arranged below each connecting plate 35, the rotation of each screw 33 can be well controlled through the adjusting bolts 37, and the rotation of each screw 33 can well drive the support seats 34 to be far away from or contact with the ground so as to support and move the device body;
by adopting the first filter screen and the second filter screen, the purity of the gas entering the tower can be well filtered, and meanwhile, the gas is sterilized and heated by the drying box, so that the sterile environment in the tower body can be effectively ensured, and the tower has good filtering effect and sterilizing effect; through the universal wheel that sets up, the position of tower body is adjusted according to user's demand that can be fine, reduces the drawback of tower body when removing to through the screw rod, supporting seat and adjusting bolt, the position of fixed tower body that can be fine has certain nimble mobility.
Example 3
A wet process for processing milk powder comprises the following steps:
raw milk: the inspection and acceptance are carried out according to the internal control standard of the enterprise, and the product is put into use after being qualified;
cleaning milk: a milk collecting degassing tank, a plate heat exchanger, an outdoor milk bin 1 and a separator are adopted, after the milk collecting degassing tank is degassed, the plate heat exchanger is cooled and is pumped into the outdoor milk bin, and then the milk is preheated by the plate heat exchanger and purified by the separator;
and (3) sterilization: sterilizing by adopting a pasteurization machine;
and (3) refrigerating: cooling the material to 2 ℃ after the temperature of the material is reduced by a plate heat exchanger, and pumping the material into an outdoor milk bin 2 for storage;
standardizing ingredients: according to the production formula, raw and auxiliary materials are measured by an electronic scale and a flowmeter, the raw and auxiliary materials are manually fed in a non-sequential manner, are physically screened by a vibrating screening machine and then enter a powder bin, and are injected into a dairy mixer for mixing during mixing;
manually putting the compound nutrient enhancer into a formulated nutrient fusion tank for dissolving, and putting the mixed materials into a dairy mixer for mixing;
the vegetable oil is thrown into a metering tank, and is thrown into a dairy mixer through a flowmeter to be mixed during mixing;
raw milk is squeezed into the blending tank, and the compounding water is squeezed into the blending tank after plate heat exchanger preheats, and the material gets into the dairy products blendor after mixing (50 degrees centigrade) through the plate heat exchanger heating, gets back to the blending tank again, recycles material 900S, and during this period supplementary material is squeezed into the dairy products blendor and is mixed, adds the compounding water after the circulation material and carries out the constant volume to the blending tank.
Homogenizing: and (3) pumping the mixed materials into a homogenizer for homogenization through high pressure, cooling by 12 ℃ through a plate heat exchanger, and pumping into a storage tank for storage.
Sterilization and concentration: the materials are pumped into a balance tank, preheated by the upper part of a flash evaporation preheater, sterilized by steam spraying (the temperature is controlled at 95 ℃), then the peculiar smell and the non-condensable gas are discharged by the lower part of a flash evaporator, and then the materials are pumped into a thick milk tank by an evaporator for concentration (the steam pressure is 5bar, and the triple effect vacuum is-0.80 bar).
Spray drying: the material in the thick milk tank is heated by a thick milk heater, the material is pressurized by an external high-pressure pump and sprayed into the tower body through a spray head, meanwhile, the gas enters a drying box through a first filter screen to be heated (200 ℃, the exhaust temperature is 80 ℃), the gas enters a bent pipe through a second filter box and is conveyed to a first channel and a second channel through the bent pipe, the first channel and the second channel are arranged at the periphery of the spray head, so the thick milk can be rapidly dried after being sprayed out by the spray head, the moisture of the thick milk is evaporated, meanwhile, a cooling mechanism is arranged at one side, external cold air is introduced into the tower body by a fan, the negative pressure in the tower is negative 8mbar, the dried milk powder is cooled and is discharged through a cyclone separator, a cleaning mechanism is arranged in the process, the milk powder can be effectively prevented from being attached to the inner wall of the tower body, the milk powder flows through the guide box, and the milk powder can enter the cyclone separator while the guide box is quickly knocked by an air hammer, carrying out secondary drying in the next step;
secondary drying by a fluidized bed: the material discharged from the powder separator of the spray drying tower is cooled by the immobilized fluidized bed to ensure that the temperature of the milk powder is less than 33 ℃, the moisture is evaporated, and the material passes through the vibrating screen to separate the blocks and enters the powder bin.
Packaging: the branch material is bagged manually, sealed and packaged through a semi-automatic system, and conveyed to an outer packaging room.
The present disclosure has been described with reference to the above embodiments and the accompanying drawings, however, the above embodiments are only examples for implementing the present disclosure. It should be noted that the disclosed embodiments do not limit the scope of the present disclosure. Rather, modifications and equivalent arrangements included within the spirit and scope of the claims are included within the scope of the present disclosure.
Claims (10)
1. A pressure spray drying tower for processing milk powder is characterized by comprising a tower body, wherein a cleaning mechanism is arranged inside the tower body, a drying mechanism and a cooling mechanism are further arranged on two sides of the tower body, the cleaning mechanism comprises a limiting disc, a limiting groove is formed in the top of the limiting disc, a driving motor is connected to the inside of the limiting groove in a sliding mode, a transmission rod is arranged at one end of an output shaft of the driving motor, a cleaning brush is arranged on the outer portion of the transmission rod, the cleaning brush is attached to the inner wall of one side of the tower body, a gear groove is formed in the inner wall of one side of the tower body and located above the limiting disc, a transmission disc is arranged on the outer portion of the transmission rod and located below the cleaning brush and meshed with the gear groove, a spray head is arranged at the top of the tower body, a drying channel is reserved above the tower body, the shower nozzle passes the inside that dry passageway runs through to the tower body, dry passageway's end is provided with first passageway and second passageway, first passageway and second passageway all with dry passageway, one side of first passageway is provided with the solenoid valve.
2. The pressure spray drying tower for processing milk powder of claim 1, wherein the drying mechanism comprises a drying oven, and an electric heating wire is arranged inside the drying oven.
3. The pressure spray drying tower for processing the milk powder according to claim 1, further comprising a filtering mechanism, wherein the filtering mechanism comprises a first filtering box and a second filtering box, the second filtering box is located above the drying box, the first filtering box is located below the drying box, and a first filtering net and a second filtering net are respectively arranged inside the first filtering box and the second filtering box.
4. The pressure spray drying tower and the wet process for processing the milk powder according to claim 3, wherein a bent pipe is arranged at the top of the second filtering box, one end of the bent pipe, which is far away from the second filtering box, is connected with the outer wall of one side of the tower body, and the bent pipe is communicated with the drying channel.
5. The pressure spray drying tower for processing the milk powder according to claim 1, wherein the cooling mechanism comprises a fan, an air inlet pipe is arranged at one end of an air inlet of the fan, an air outlet pipe is arranged at an air outlet end of the fan, and one end of the air outlet pipe, which is far away from the fan, penetrates into the tower body.
6. The pressure spray drying tower for processing the milk powder according to claim 1, wherein a flow guide box is arranged at the bottom of the tower body, a cyclone separator is arranged at the bottom of the flow guide box, a discharge pipe is arranged at the discharge end of the cyclone separator, and an air outlet pipe is arranged at the air outlet end of the cyclone separator.
7. The pressure spray drying tower for processing the milk powder as claimed in claim 1, wherein the guide box is provided with four air hammers on one side of the outer wall, and the four air hammers are uniformly distributed on the one side of the outer wall of the guide box.
8. The pressure spray drying tower for processing the milk powder of claim 3, wherein a bracket is arranged on the outer wall of the bottom of the first filtering box, and the bracket is used for supporting the positions of the drying box, the first filtering box and the second filtering box.
9. The pressure spray drying tower for processing the milk powder as claimed in claim 1, wherein four support rods are arranged on the outer wall of one side of the tower body, a connecting plate is arranged at the bottom of each support rod, a screw rod is connected to one end of each connecting plate in a threaded manner, a supporting seat is arranged at the bottom of each screw rod, a universal wheel is arranged at the other end of each connecting plate, an adjusting bolt is connected to the outer portion of each screw rod in a threaded manner, and the adjusting bolt is arranged below the connecting plate.
10. The wet process for processing the milk powder is characterized by comprising the following steps of:
raw milk: the inspection and acceptance are carried out according to the internal control standard of the enterprise, and the product is put into use after being qualified;
cleaning milk: a milk collecting degassing tank, a plate heat exchanger, an outdoor milk bin 1 and a separator are adopted, after the milk collecting degassing tank is degassed, the plate heat exchanger is cooled and is pumped into the outdoor milk bin, and then the milk is preheated by the plate heat exchanger and purified by the separator;
and (3) sterilization: sterilizing by adopting a pasteurization machine;
and (3) refrigerating: the materials are cooled by the plate heat exchanger and then are pumped into an outdoor milk bin 2 for storage;
standardizing ingredients: according to the production formula, raw and auxiliary materials are measured by an electronic scale and a flowmeter, the raw and auxiliary materials are manually fed in a non-sequential manner, are physically screened by a vibrating screening machine and then enter a powder bin, and are injected into a dairy mixer for mixing during mixing;
manually putting the compound nutrient enhancer into a formulated nutrient fusion tank for dissolving, and putting the mixed materials into a dairy mixer for mixing;
the vegetable oil is thrown into a metering tank, and is thrown into a dairy mixer through a flowmeter to be mixed during mixing;
raw milk is thrown into a mixing tank, batching water is preheated by a plate heat exchanger and then thrown into the mixing tank, the mixed material is heated by the plate heat exchanger and then enters a dairy product mixer and then returns to the mixing tank for circulating material melting, raw and auxiliary materials are thrown into the dairy product mixer for mixing in the period, and the batching water is added into the mixing tank for constant volume after the circulating material melting is finished;
homogenizing: the mixed materials are injected into a homogenizer for homogenization through high pressure, cooled through a plate heat exchanger and injected into a storage tank for storage
Sterilization and concentration: the materials are thrown into a balance tank, preheated by the upper part of a flash evaporation preheater, sterilized by steam spraying, sent out a non-condensable gas through the lower part of a flash evaporator, concentrated by an evaporator and thrown into a thick milk tank;
spray drying: the materials in the thick milk tank are heated by a thick milk heater, pressurized by an external high-pressure pump and sprayed into the tower body through a spray head, meanwhile, the gas enters a drying box through a first filter screen for heating, after entering the bent pipe through the second filter tank, the water is conveyed to the first channel and the second channel by the bent pipe, because the first channel and the second channel are arranged at the periphery of the spray head, so that the thick milk can be quickly dried after being sprayed by the spray head, the moisture of the thick milk is evaporated, meanwhile, the cooling mechanism arranged at one side introduces external cold air into the tower body by the fan, the dried milk powder is cooled and then discharged through the cyclone separator, the cleaning mechanism arranged in the process can effectively prevent the milk powder from attaching to the inner wall of the tower body, when the milk powder flows through the flow guide box, the milk powder can quickly enter the cyclone separator while the air hammer strikes the flow guide box, and secondary drying is carried out in the next step;
secondary drying by a fluidized bed: the material discharged by the powder separation separator of the spray drying tower is cooled by an immobilized fluidized bed, water is evaporated, and the material passes through a vibrating screen to separate lumps and enters a powder bin;
packaging: the branch material is bagged manually, sealed and packaged through a semi-automatic system, and conveyed to an outer packaging room.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118022639A (en) * | 2024-04-12 | 2024-05-14 | 西安安诺乳业有限公司 | Fluidized bed reactor |
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Application publication date: 20220809 |