CN111892309A - Lime milk preparation device - Google Patents
Lime milk preparation device Download PDFInfo
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- CN111892309A CN111892309A CN202010770047.1A CN202010770047A CN111892309A CN 111892309 A CN111892309 A CN 111892309A CN 202010770047 A CN202010770047 A CN 202010770047A CN 111892309 A CN111892309 A CN 111892309A
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- Prior art keywords
- dissolving
- pipe
- diluting
- feeding
- discharge
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 49
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 49
- 239000004571 lime Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- 239000008267 milk Substances 0.000 title claims abstract description 38
- 210000004080 milk Anatomy 0.000 title claims abstract description 38
- 235000013336 milk Nutrition 0.000 title claims abstract description 38
- 230000029087 digestion Effects 0.000 claims abstract description 77
- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 238000007865 diluting Methods 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005054 agglomeration Methods 0.000 abstract description 6
- 230000002776 aggregation Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 15
- 239000000292 calcium oxide Substances 0.000 description 15
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 15
- 238000010790 dilution Methods 0.000 description 14
- 239000012895 dilution Substances 0.000 description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 12
- 239000003814 drug Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003912 environmental pollution Methods 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 208000028571 Occupational disease Diseases 0.000 description 3
- 208000019462 Occupational injury Diseases 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/08—Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a lime milk preparation device, which comprises a digestion reaction box, a feeding device and a closed powder conveying device, wherein the digestion reaction box is provided with a feeding device; a closed space is arranged outside the digestion reaction box; a stirrer is arranged in the digestion reaction box, a feed inlet and an exhaust pipe are arranged at the top of the digestion reaction box, a water inlet pipe is arranged on the side wall of the digestion reaction box, and a discharge pipe is arranged at the bottom of the digestion reaction box; the feeding hole is connected with the feeding device through a closed powder conveying device; the exhaust port of the exhaust pipe is arranged outside the closed space; the discharge pipe is connected with a dissolving and diluting device. The lime milk preparation method can solve the problems of serious dust pollution, feeding equipment blockage caused by lime particle surface digestion and agglomeration, inaccurate metering and the like in the lime milk preparation process in the prior art, and has the advantages of simple operation, high automation degree, good lime milk preparation effect and the like.
Description
Technical Field
The invention relates to the technical field of lime milk preparation, and particularly relates to a lime milk preparation device.
Background
Lime milk is commonly used as a medicament in ore dressing plants, for example, reverse flotation of iron ore commonly uses lime milk as an activator of iron minerals; when the long-distance pipeline transportation of the concentrate or the tailings is carried out, lime cream is added into the transported ore pulp to form a calcium carbonate scale layer on the inner wall of the pipeline so as to protect the pipeline from being abraded by the ore pulp.
At present, most of lime milk selected from factories is prepared by the following steps: the bagged calcium oxide is transported to a medicament preparation workshop by an automobile to be stockpiled, the bagged calcium oxide is manually transported to a lime milk preparation stirring tank, the calcium oxide is discharged into the stirring tank after the packaging bag is cut by a knife and is stirred and mixed with water to prepare lime milk (calcium hydroxide aqueous solution). The preparation method of the lime milk has the following disadvantages:
1. a large amount of calcium oxide dust is generated in the procedures of calcium oxide stacking, carrying, bag breaking, unloading and the like, so that the environment pollution is caused, and the strongly alkaline calcium oxide and hydrate thereof not only cause serious pneumoconiosis but also cause strong alkali damage to the respiratory system of people.
2. The stockpiled medicament amount is more than 10 days, the stockpiled floor area is too big, the factory building investment is higher, and most of the factory candidates place the preparation system of this lime cream and the preparation of other medicaments in same workshop, this kind of preparation method, and the calcium oxide is directly thrown into the stirred tank, because calcium oxide meets a large amount of exotherms in water, often leads to the workshop high temperature, and causes the interior dust pollution of workshop heavier.
3. Partial lime particles are in contact with water, and are agglomerated after surface digestion, so that lime digestion is incomplete, and subsequent feeding facilities are blocked.
4. The method depends on manual operation, the metering is inaccurate, the concentration of the lime emulsion is difficult to control accurately, and the manual operation has high labor cost.
Disclosure of Invention
In view of the above problems, the invention aims to provide a lime milk preparation device, which can solve the problems of serious dust pollution, feeding equipment blockage caused by lime particle surface digestion and agglomeration, inaccurate metering and the like in the lime milk preparation process in the prior art, and has the advantages of simple operation, high automation degree, good lime milk preparation effect and the like.
The invention provides a lime milk preparation device, which comprises a digestion reaction box, a feeding device and a closed powder conveying device, wherein the digestion reaction box is provided with a feeding device; a closed space is arranged outside the digestion reaction box; a stirrer is arranged in the digestion reaction box, a feed inlet and an exhaust pipe are arranged at the top of the digestion reaction box, a water inlet pipe is arranged on the side wall of the digestion reaction box, and a discharge pipe is arranged at the bottom of the digestion reaction box; the feeding hole is connected with the feeding device through a closed powder conveying device; the exhaust port of the exhaust pipe is arranged outside the closed space; the discharging pipe is connected with a dissolving and diluting device.
In addition, the preferable scheme is that the feeding device comprises a movable carrying device and a material storage tank body arranged at the top end of the movable carrying device; a feeding joint used for being connected with a storage bin is arranged at one end of the storage tank body; a discharge joint is arranged at the other end of the storage tank body, the discharge joint is connected with a feeding hopper through a pipeline, a feeding joint is arranged below the feeding hopper, the feeding joint is connected with the closed powder conveying device, and a first electric switch valve is arranged below the feeding joint; the top of the storage tank body is provided with an air inlet connector, and the air inlet connector is connected with an air compressor through a hose.
In addition, the preferable scheme is that the closed powder conveying device comprises a feeding pipe, a return pipe and a power device, wherein the return pipe is arranged in parallel with the feeding pipe; a first driving plate is arranged in the feeding pipe, a receiving joint connected with a feeding joint of the feeding hopper is arranged on the feeding pipe, and the receiving joint is arranged below the feeding joint; a second driving plate is arranged in the return pipe, a discharge hopper connected with the feed inlet of the digestion reaction box is arranged on the return pipe, the discharge hopper is arranged above the feed inlet of the digestion reaction box, and a discharge valve is arranged below the discharge hopper; the power device comprises a driving chain connected with the first driving plate and the second driving plate in series, and a first driving part and a second driving part which are respectively arranged at two ends of the driving chain.
In addition, it is preferable that the first driving part includes a first driving gear and a first driving motor connected to the first driving gear; the second driving part comprises a second driving gear and a second driving motor connected with the second driving gear; the first driving gear is arranged at one end of the driving chain; the second driving gear is arranged at the other end of the driving chain; and two ends of the driving chain are respectively and rotationally connected with the outer parts of the gears of the first driving gear and the second driving gear.
In addition, it is preferable that a pressure gauge is provided below the discharge hopper.
In addition, the preferable scheme is that the discharge pipe comprises a first discharge pipe and a second discharge pipe which are respectively arranged at two ends of the bottom of the digestion reaction box; the dissolving and diluting device comprises a first dissolving and diluting tank and a second dissolving and diluting tank; a first dissolving dilute water inlet pipe and a first dissolving dilute feed inlet connected with the first discharge pipe are arranged at the top of the first dissolving dilute tank; and a second dissolving and diluting water inlet pipe and a second dissolving and diluting feed inlet connected with the second discharge pipe are arranged at the top of the second dissolving and diluting tank.
In addition, preferably, a second electric switch valve is arranged on the first discharging pipe; and/or a third electric switch valve is arranged on the second discharge pipe.
In addition, a first dissolving and diluting discharge pipe is preferably arranged on the lower side wall of the first dissolving and diluting tank; a second dissolving and diluting discharge pipe is arranged on the side wall of the lower part of the second dissolving and diluting tank; and the discharge end of the first dissolving and diluting discharge pipe and the discharge end of the second dissolving and diluting discharge pipe are connected with a displacement pump.
In addition, preferably, a fourth electric switch valve is arranged on the first dissolving and diluting discharge pipe; and/or a fifth electric switch valve is arranged on the second dissolving and diluting discharge pipe.
In addition, the preferable scheme is that the lime milk preparation system further comprises a control device; the control device is respectively connected with the first electric switch valve, the first driving motor, the second driving motor, the signal switch of the pressure gauge, the second electric switch valve, the third electric switch valve, the fourth electric switch valve and the fifth electric switch valve.
According to the technical scheme, the lime milk preparation device provided by the invention integrates the digestion reaction box and the dissolving and diluting device into an independent closed space, so that all operations which possibly cause pollution are closed in the independent space, and the environmental pollution is avoided; the digestion reaction box discharges hot water vapor generated by digestion to the outside of the preparation space through an exhaust pipe arranged at the upper part of the digestion reaction box, so that the corrosion of alkaline water vapor to each metal part is avoided, the equipment is protected, and the continuous rise of the temperature in the space is also avoided; the stirrer is arranged in the digestion reaction box, so that the calcium oxide and the water are fully mixed to form the calcium hydroxide, the stirring and reaction mode effectively solves the problem of agglomeration of part of the calcium oxide without stirring, and the digestion effect is optimized; the digestion reaction box, the feeding device and the closed powder conveying device are good in tightness, so that dust pollution to the environment is avoided;
the feeding device is convenient for the transportation of raw materials through the movable bearing device and the material storage tank body arranged on the movable bearing device, the whole feeding process is closed, and the environmental pollution is avoided; the material discharging of the material storage tank body adopts pneumatic material discharging, the material discharging speed is high, the flying dust pollution is avoided, manual carrying is not needed, the labor cost is saved, and occupational injury is avoided;
the discharge hopper is arranged below the closed powder conveying device, the lime amount input into the digestion reaction box can be accurately controlled by measuring the weight of the discharge hopper in a batch discharge mode of the discharge hopper and combining a pressure gauge, the metering is accurate, the water supply amount of digestion and dissolution dilution is controlled, and the concentration of a finished calcium hydroxide product is controllable;
the dissolving and diluting device is prepared by replacing two dissolving and diluting grooved wheels, one is used for storing prepared finished medicament when receiving the discharge of the digestion reaction box for preparation, and thus the continuous feeding of the finished medicament is realized; the displacement pump can automatically remove the calcium carbonate scaling generated by the reaction of the calcium hydroxide solution in the pump cavity, thereby protecting the displacement pump and ensuring the stability of the whole device;
can be by control room automatic operation through controlling means, whole device need not set up on-the-spot post worker, and degree of automation is high, has reduced the human cost and has avoided the production of occupational disease.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a lime milk preparation apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a digestion reaction tank and a dilution solvent device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a closed powder conveying apparatus according to an embodiment of the present invention;
wherein the reference numerals include: 1-digestion reaction box, 11-feed inlet, 12-exhaust pipe, 13-water inlet pipe, 14-discharge pipe, 15-stirrer, 141-second electric switch valve, 142-third electric switch valve, 21-mobile bearing device, 22-material storage tank, 221-feed joint, 222-discharge joint, 223-pipeline, 23-feed hopper, 231-feed joint, 24-first electric switch valve, 25-gas inlet joint, 26-hose, 27-air compressor, 31-feed pipe, 311-first drive plate, 312-material receiving joint, 32-return pipe, 321-second drive plate, 322-discharge hopper, 34-discharge valve, 33-drive chain, 35-first drive part, 351-first drive gear, 352-a first driving motor, 36-a second driving part, 361-a second driving gear, 362-a second driving motor, 4-a closed space, 5-a pressure gauge, 61-a first dissolving and diluting tank, 611-a first dissolving and diluting water inlet pipe, 612-a first dissolving and diluting feed inlet, 613-a first dissolving and diluting discharge pipe, 614-a fourth electric switch valve, 62-a second dissolving and diluting tank, 621-a second dissolving and diluting water inlet pipe, 622-a second dissolving and diluting feed inlet, 623-a second dissolving and diluting discharge pipe, 624-a fifth electric switch valve and 7-a volumetric pump.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows the structure of a lime milk preparation apparatus according to an embodiment of the invention;
fig. 2 shows the structure of a digestion reaction tank and a dilution by dissolution apparatus according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2, a lime milk preparation device comprises a digestion reaction box 1, a feeding device and a closed powder conveying device; a closed space 4 is arranged outside the digestion reaction box 1; a stirrer 15 is arranged in the digestion reaction box 1, a feed inlet 11 and an exhaust pipe 12 are arranged at the top of the digestion reaction box 1, a water inlet pipe 13 is arranged on the side wall of the digestion reaction box 1, and a discharge pipe 14 is arranged at the bottom of the digestion reaction box 1; the feed inlet 11 is connected with a feeding device through a closed powder conveying device; the exhaust port of the exhaust pipe 12 is provided outside the enclosed space 4; the discharge pipe 14 is connected to a dissolving and diluting device.
By integrating the digestion reaction box 1 and the dissolving and diluting device into an independent closed space 4, all operations which may cause pollution can be closed in the independent space, thereby avoiding environmental pollution; the digestion reaction box 1 discharges hot water vapor generated by digestion to the outside of the preparation space through an exhaust pipe 12 arranged at the upper part of the digestion reaction box, so that the corrosion of alkaline water vapor to each metal part is avoided, the equipment is protected, and the continuous rise of the temperature in the space is also avoided; the stirrer 15 is arranged in the digestion reaction box 1, so that the calcium oxide and the water are fully mixed to form the calcium hydroxide, the stirring and reaction mode effectively solves the problem of agglomeration of part of the calcium oxide without stirring, and the digestion effect is optimized; the digestion reaction box 1, the feeding device and the closed powder conveying device are good in airtightness, and dust pollution to the environment is avoided.
The digestion reaction box 1 is a closed box body, the shape of the closed box body can be a cube, a cuboid or a cylinder, the closed box body is not limited, the stirrer 15 arranged in the digestion reaction box 1 is preferably a spiral stirrer horizontally arranged in the box body, a motor of the spiral stirrer is arranged outside the side wall of the digestion reaction box 1 and is connected with a power supply, and the closed space 4 is preferably an independent closed preparation workshop.
FIG. 3 shows the structure of a closed powder conveying apparatus according to an embodiment of the present invention.
As shown in fig. 1 in combination with fig. 3, as a preferred embodiment of the present invention, the feeding device includes a movable carrier 21 and a storage tank 22 disposed at the top end of the movable carrier 21; a feeding joint 221 used for being connected with a storage bin is arranged at one end of the storage tank body 22; a discharge joint 222 is arranged at the other end of the storage tank body 22, the discharge joint 222 is connected with a feeding hopper 23 through a pipeline 223, a feeding joint 231 is arranged below the feeding hopper 23, the feeding joint 231 is connected with the closed powder conveying device, and a first electric switch valve 24 is arranged below the feeding joint 231; an air inlet joint 25 is arranged at the top of the material storage tank body, and the air inlet joint 25 is connected with an air compressor 27 through a hose 26.
The mobile carrying device 21 is a movable supporting structure, preferably a vehicle body, and can be replaced by other structures with the same function; the material storage tank body 22 is a horizontal tank body, and an air compressor 27 is arranged at the end part of the material storage tank body 22 close to the vehicle head, so that the space arrangement is more reasonable; hopper 23 is conical hopper, and the material of being convenient for is carried.
The movable bearing device 21 and the material storage tank body 22 arranged on the movable bearing device 21 are used for facilitating the transportation of the raw materials, and the whole feeding process is closed, so that the environmental pollution is avoided; the material of storing tank body 22 is arranged and is adopted pneumatic row material, arranges that material is fast, avoids the raise dust to pollute, and does not need artifical transport, has saved the human cost, has avoided the occupational injury.
As shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the closed powder conveying device includes a feeding pipe 31, a return pipe 32 disposed in parallel with the feeding pipe 31, and a power device; a first driving plate 311 is arranged in the feeding pipe 31, a receiving joint 312 connected with the feeding joint 231 of the feeding hopper 23 is arranged on the feeding pipe 31, and the receiving joint 312 is arranged below the feeding joint 231; a second driving plate 321 is arranged in the return pipe 32, a discharge hopper 322 connected with the feed inlet 11 of the digestion reaction box 1 is arranged on the return pipe 32, the discharge hopper 322 is arranged above the feed inlet 11 of the digestion reaction box 1, and a discharge valve 34 is arranged below the discharge hopper 322; the power device comprises a driving chain 33 connected with the first driving plate 311 and the second driving plate 321 in series, and a first driving part 35 and a second driving part 36 respectively arranged at two ends of the driving chain 33.
The closed powder conveying device is connected with the feeding joint 231 through a receiving joint 312, the receiving joint 312 is located outside the closed space 4, and the receiving joint 312 of the closed powder conveying device is located below the discharging joint 222 of the storage body 22 during material receiving but is not connected with the movable carrying device 21. The maximum installation angle of the closed powder conveying device can be 90 degrees.
The number of the first driving plates 311 arranged in the feeding pipe 31 is set according to actual needs, and at least two first driving plates 311 are preferably arranged to achieve a better material conveying effect; the interval between two adjacent first driving plates 311 is preferably 100mm-200mm, and can be changed according to actual needs; the number of the second driving plates 321 arranged in the return pipe 32 is set according to actual needs, and at least two second driving plates 321 are preferably selected to achieve a better material conveying effect; the interval between two adjacent second driving plates 321 is preferably 100mm-200mm, and can be changed according to actual needs. The driving chain 33 of the power device pulls the first driving plate 311 and the second driving plate 321 on the chain to move forward, so as to drive the powder to move forward. The shapes of the first driving plate 311 and the second driving plate 321 can be determined according to the cross-sectional shapes of the feeding pipe 31 and the return pipe 32, for example, if the feeding pipe 31 and the return pipe 32 are circular pipes, the shapes of the first driving plate 311 and the second driving plate 321 are circular plates.
Can realize the airtight transport of raw materials through foretell closed powder conveyor, avoid dust pollution, and set up discharge hopper 322 in closed powder conveyor below, adopt the mode of discharging in batches of discharge hopper 322, combine the manometer to measure the lime volume that can accurate control input digestion reaction box 1 of the weight of discharge hopper 322, the measurement is accurate, the water supply capacity of control digestion and solution dilution realizes calcium hydroxide finished product concentration's controllable.
As one preferable aspect of the present invention, the first driving part 35 includes a first driving gear 351 and a first driving motor 352 connected to the first driving gear 351; the second driving part 36 includes a second driving gear 361 and a second driving motor 362 connected to the second driving gear 361; the first drive gear 351 is provided at one end of the drive chain 33; a second drive gear 361 is provided at the other end of the drive chain 33; both ends of the driving chain 33 are rotatably connected to the gear outer portions of the first driving gear 351 and the second driving gear 361, respectively.
By the first drive motor 352 and the second drive motor 362; the first driving gear 351 and the second driving gear 361 are driven to rotate to drive the driving chain 33 to move, so that the first driving plate 311 and the second driving plate 321 which are arranged on the driving chain 33 are driven to move forwards, the powder is driven to move forwards, and the purpose that the raw materials are conveyed to the digestion reaction box 1 is achieved.
In order to be able to accurately control the amount of lime fed into the digestion reaction tank 1, as a preferred embodiment of the present invention, a pressure gauge 5 is provided below the discharge hopper 322.
As a preferable aspect of the present invention, the discharge pipe 14 includes a first discharge pipe and a second discharge pipe respectively provided at both ends of the bottom of the digestion reaction tank 1; the dissolving and diluting device comprises a first dissolving and diluting tank 61 and a second dissolving and diluting tank 62; a first dissolving dilute water inlet pipe 611 and a first dissolving dilute feed inlet 612 connected with the first discharge pipe are arranged at the top of the first dissolving dilute groove 61; a second dilute solution inlet pipe 621 and a second dilute solution inlet 622 connected to the second discharge pipe are provided at the top of the second dilute solution tank 62.
Both the first dilution tank 61 and the second dilution tank 62 are agitation tanks.
The dissolving and diluting device is prepared by replacing two dissolving and diluting grooved wheels, one is used for storing prepared finished medicament when receiving the discharge of the digestion reaction box 1 for preparation, and thus the continuous feeding of the finished medicament can be realized.
In order to facilitate the control of the reaction, as a preferred embodiment of the present invention, a second electric switch valve 141 is disposed on the first discharging pipe; and/or a third electric switch valve 142 is arranged on the second discharge pipe.
In a preferred embodiment of the present invention, a first dilution and dissolution discharging pipe 613 is provided on a lower side wall of the first dilution and dissolution tank 61; a second dissolving and diluting discharge pipe 623 is arranged on the lower side wall of the second dissolving and diluting tank 62; a positive displacement pump 7 is connected to the discharge end of the first dilution and dilution discharge pipe 613 and the discharge end of the second dilution and dilution discharge pipe.
The volumetric pump 7 can automatically remove the calcium carbonate scaling generated by the reaction of the calcium hydroxide solution in the pump cavity, thereby protecting the volumetric pump and ensuring the stability of the whole device.
The first dissolving and diluting discharging pipe 613 and the second dissolving and diluting discharging pipe 623 may be connected to a positive displacement pump respectively or may be connected to the same positive displacement pump.
In order to facilitate the control of the output of the finished product, as a preferred embodiment of the present invention, a fourth electric switch valve 614 is disposed on the first dissolving and diluting discharge pipe 613; and/or a fifth electric switch valve 624 is arranged on the second dissolving and diluting discharge pipe 623.
As a preferred embodiment of the present invention, the lime milk preparation system further comprises a control device; the control device is connected to the first electric open/close valve 24, the first drive motor 352, the second drive motor 362, the signal switches of the pressure gauge 5, the second electric open/close valve 141, the third electric open/close valve 142, the fourth electric open/close valve 614, and the fifth electric open/close valve 624, respectively.
Can be by control room automatic operation through controlling means, whole device need not set up on-the-spot post worker, and degree of automation is high, has reduced the human cost and has avoided the production of occupational disease.
Through the above embodiment, the lime milk preparation device provided by the invention has the advantages that:
1. the digestion reaction box and the dissolving and diluting device are integrated in an independent closed space, so that all operations which are likely to cause pollution are closed in the independent space, and the environmental pollution is avoided; the digestion reaction box discharges hot water vapor generated by digestion to the outside of the preparation space through an exhaust pipe arranged at the upper part of the digestion reaction box, so that the corrosion of alkaline water vapor to each metal part is avoided, the equipment is protected, and the continuous rise of the temperature in the space is also avoided; the stirrer is arranged in the digestion reaction box, so that the calcium oxide and the water are fully mixed to form the calcium hydroxide, the stirring and reaction mode effectively solves the problem of agglomeration of part of the calcium oxide without stirring, and the digestion effect is optimized; the digestion reaction box, the feeding device and the closed powder conveying device are good in tightness, so that dust pollution to the environment is avoided;
2. the feeding device is convenient for the transportation of raw materials through the movable bearing device and the material storage tank body arranged on the movable bearing device, the whole feeding process is closed, and the environmental pollution is avoided; the material discharging of the material storage tank body adopts pneumatic material discharging, the material discharging speed is high, no raise dust pollution exists, manual carrying is not needed, the labor cost is saved, and occupational injury is avoided; 3. the discharge hopper is arranged below the closed powder conveying device, the lime amount input into the digestion reaction box can be accurately controlled by measuring the weight of the discharge hopper in a batch discharge mode of the discharge hopper and combining a pressure gauge, the metering is accurate, the water supply amount of digestion and dissolution dilution is controlled, and the concentration of a finished calcium hydroxide product is controllable;
4. the dissolving and diluting device is prepared by replacing two dissolving and diluting grooved wheels, one is used for storing prepared finished medicament when receiving the discharge of the digestion reaction box for preparation, and thus the continuous feeding of the finished medicament is realized; the displacement pump can automatically remove the calcium carbonate scaling generated by the reaction of the calcium hydroxide solution in the pump cavity, thereby protecting the displacement pump and ensuring the stability of the whole system;
5. the control device can be automatically operated by a control room, the whole device does not need to be provided with site workers, the automation degree is high, the labor cost is reduced, and occupational diseases are avoided;
6. compared with the traditional one-stage preparation process of directly adding water into a stirring tank for reaction and dilution, the process has the advantages that the reaction heat release process and the dilution process are independently separated, the blocking phenomenon caused by calcium oxide agglomeration is favorably avoided, the concentrated heat extraction during digestion is favorably realized, and the quality of a calcium hydroxide solution is optimized.
The lime milk preparation device proposed according to the invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the lime milk preparation apparatus of the present invention as set forth above without departing from the spirit of the invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (10)
1. A lime milk preparation device is characterized by comprising a digestion reaction box, a feeding device and a closed powder conveying device;
a closed space is arranged outside the digestion reaction box;
a stirrer is arranged in the digestion reaction box, a feed inlet and an exhaust pipe are arranged at the top of the digestion reaction box, a water inlet pipe is arranged on the side wall of the digestion reaction box, and a discharge pipe is arranged at the bottom of the digestion reaction box;
the feeding hole is connected with the feeding device through a closed powder conveying device;
the exhaust port of the exhaust pipe is arranged outside the closed space;
the discharging pipe is connected with a dissolving and diluting device.
2. Lime milk preparation unit according to claim 1, characterised in that,
the feeding device comprises a movable bearing device and a material storage tank body arranged at the top end of the movable bearing device;
a feeding joint used for being connected with a storage bin is arranged at one end of the storage tank body;
a discharge joint is arranged at the other end of the storage tank body, the discharge joint is connected with a feeding hopper through a pipeline, a feeding joint is arranged below the feeding hopper, the feeding joint is connected with the closed powder conveying device, and a first electric switch valve is arranged below the feeding joint;
the top of the storage tank body is provided with an air inlet connector, and the air inlet connector is connected with an air compressor through a hose.
3. Lime milk preparation unit according to claim 2, characterised in that,
the closed powder conveying device comprises a feeding pipe, a return pipe and a power device, wherein the return pipe and the power device are arranged in parallel with the feeding pipe;
a first driving plate is arranged in the feeding pipe, a receiving joint connected with a feeding joint of the feeding hopper is arranged on the feeding pipe, and the receiving joint is arranged below the feeding joint;
a second driving plate is arranged in the return pipe, a discharge hopper connected with the feed inlet of the digestion reaction box is arranged on the return pipe, the discharge hopper is arranged above the feed inlet of the digestion reaction box, and a discharge valve is arranged below the discharge hopper;
the power device comprises a driving chain connected with the first driving plate and the second driving plate in series, and a first driving part and a second driving part which are respectively arranged at two ends of the driving chain.
4. Lime milk preparation unit according to claim 3, characterised in that,
the first driving part comprises a first driving gear and a first driving motor connected with the first driving gear;
the second driving part comprises a second driving gear and a second driving motor connected with the second driving gear;
the first driving gear is arranged at one end of the driving chain; the second driving gear is arranged at the other end of the driving chain; and two ends of the driving chain are respectively and rotationally connected with the outer parts of the gears of the first driving gear and the second driving gear.
5. Lime milk preparation unit according to claim 4, characterised in that,
and a pressure gauge is arranged below the discharge hopper.
6. Lime milk preparation unit according to claim 5, characterised in that,
the discharge pipe comprises a first discharge pipe and a second discharge pipe which are respectively arranged at two ends of the bottom of the digestion reaction box;
the dissolving and diluting device comprises a first dissolving and diluting tank and a second dissolving and diluting tank;
a first dissolving and diluting water inlet pipe and a first dissolving and diluting feed inlet connected with the first discharge pipe are arranged at the top of the first dissolving and diluting tank;
and a second dissolving and diluting water inlet pipe and a second dissolving and diluting feed inlet connected with the second discharge pipe are arranged at the top of the second dissolving and diluting groove.
7. Lime milk preparation unit according to claim 6, characterised in that,
a second electric switch valve is arranged on the first discharging pipe; and/or the presence of a gas in the gas,
and a third electric switch valve is arranged on the second discharging pipe.
8. Lime milk preparation unit according to claim 7, characterised in that,
a first dissolving and diluting discharge pipe is arranged on the side wall of the lower part of the first dissolving and diluting tank;
a second dissolving and diluting discharge pipe is arranged on the side wall of the lower part of the second dissolving and diluting tank;
and the discharge end of the first dissolving and diluting discharge pipe and the discharge end of the second dissolving and diluting discharge pipe are connected with a displacement pump.
9. Lime milk preparation unit according to claim 8, characterised in that,
a fourth electric switch valve is arranged on the first dissolving and diluting discharge pipe; and/or the presence of a gas in the gas,
and a fifth electric switch valve is arranged on the second dissolving and diluting discharge pipe.
10. Lime milk preparation unit according to any of claims 1-9, wherein the lime milk preparation system further comprises a control device;
the control device is respectively connected with the first electric switch valve, the first driving motor, the second driving motor, the signal switch of the pressure gauge, the second electric switch valve, the third electric switch valve, the fourth electric switch valve and the fifth electric switch valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770047.1A CN111892309B (en) | 2020-08-04 | 2020-08-04 | Lime milk preparation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770047.1A CN111892309B (en) | 2020-08-04 | 2020-08-04 | Lime milk preparation device |
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| CN111892309B CN111892309B (en) | 2024-08-06 |
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| CN111892309B (en) | 2024-08-06 |
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