CN111704153B - Method for processing and refining calcium hydroxide by using lime - Google Patents

Method for processing and refining calcium hydroxide by using lime Download PDF

Info

Publication number
CN111704153B
CN111704153B CN202010626428.2A CN202010626428A CN111704153B CN 111704153 B CN111704153 B CN 111704153B CN 202010626428 A CN202010626428 A CN 202010626428A CN 111704153 B CN111704153 B CN 111704153B
Authority
CN
China
Prior art keywords
calcium hydroxide
water
lime
pipe
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010626428.2A
Other languages
Chinese (zh)
Other versions
CN111704153A (en
Inventor
张运铜
谭祖春
张琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xinzhong Calcium Industry Co.,Ltd.
Original Assignee
Linli Xinzhong Calcium Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Linli Xinzhong Calcium Industry Co ltd filed Critical Linli Xinzhong Calcium Industry Co ltd
Priority to CN202010626428.2A priority Critical patent/CN111704153B/en
Publication of CN111704153A publication Critical patent/CN111704153A/en
Application granted granted Critical
Publication of CN111704153B publication Critical patent/CN111704153B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/02Oxides or hydroxides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00Lime, magnesia or dolomite
    • C04B2/02Lime
    • C04B2/04Slaking
    • C04B2/045After-treatment of slaked lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00Lime, magnesia or dolomite
    • C04B2/02Lime
    • C04B2/04Slaking
    • C04B2/08Devices therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

The invention provides a method for processing and refining calcium hydroxide by using lime. The method for refining calcium hydroxide by lime processing comprises the following steps: s1: putting lime blocks and water into the production device, wherein the mass ratio of the lime blocks to the water is 1:10, preparing the lime blocks into a mixture of calcium hydroxide and water in the production device, and precipitating the calcium hydroxide and the water for 2 hours; s2: discharging the calcium hydroxide and water prepared in the S1 from the inside of the production device, introducing the calcium hydroxide and water into a centrifuge, and separating the calcium hydroxide and the water for primary drying; s3: the primarily dried calcium hydroxide is dried using a dryer. The method for processing and refining calcium hydroxide by using lime provided by the invention has the advantages of reducing construction steps, improving product quality, saving energy and protecting environment.

Description

Method for processing and refining calcium hydroxide by using lime
Technical Field
The invention relates to the technical field of calcium hydroxide processing, in particular to a method for refining calcium hydroxide by lime processing.
Background
Calcium hydroxide, commonly known as hydrated lime or slaked lime, is a slightly water-soluble white solid, and the aqueous solution thereof is often called lime water (when the amount is large, lime milk or lime slurry can be formed), has sterilization and corrosion resistance, and has a corrosive effect on skin and fabrics; has wide application in industry. It is a common building material and also used as a bactericide, a chemical raw material and the like.
In the process of producing calcium hydroxide by using lime, lime blocks need to be firstly crushed, but the lime blocks are hard in appearance, a large amount of electric power needs to be consumed for crushing, and a large amount of dust is generated in the crushing process; most of the calcium hydroxide is prepared in the open air, and the calcium hydroxide reacts with carbon dioxide in the air to produce calcium carbonate, so that the quality of the calcium hydroxide is reduced.
Therefore, there is a need to provide a new method for extracting calcium hydroxide by lime processing to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing the method for processing and refining the calcium hydroxide by utilizing the lime, which reduces the construction steps, improves the product quality, saves energy and is environment-friendly.
In order to solve the technical problem, the method for processing and refining calcium hydroxide by using lime provided by the invention comprises the following steps of S1: putting lime blocks and water into the production device, wherein the mass ratio of the lime blocks to the water is 1:10, preparing the lime blocks into a mixture of calcium hydroxide and water in the production device, and precipitating the calcium hydroxide and the water for 2 hours; s2: discharging the calcium hydroxide and water prepared in the S1 from the inside of the production device, introducing the calcium hydroxide and water into a centrifuge, and separating the calcium hydroxide and the water for primary drying; s3: drying the primarily dried calcium hydroxide by using a dryer; wherein the production apparatus comprises: a feed hopper; the top surface of the crushing mechanism is provided with the feeding funnel, the crushing mechanism comprises a first roller, a second roller, a convex strip and a box body, the feeding funnel is arranged on the top surface of the box body, the interior of the box body is symmetrically and rotatably connected with the first roller and the second roller, the rotating directions of the adjacent first roller and second roller are opposite, and the convex strips with triangular sections are equidistantly arranged on the side walls of the first roller and the second roller; the blanking pipe is arranged at the bottom end of the box body; the top end of the sedimentation mechanism is provided with the blanking pipe; the flattening mechanism is connected with the interior of the sedimentation mechanism in a sliding manner; the spraying mechanism is arranged on the side walls of the box body and the precipitation mechanism and comprises an installation pipe, a water pipe, a spray pipe, an installation plate and a spray head, the water pipe is installed on the top surface of the precipitation mechanism, and the installation pipe is installed at one end of the water pipe; the mounting plate with arc-shaped side walls is symmetrically mounted inside the box body, the spray heads are mounted on the side walls of the mounting plate at equal intervals, the spray pipe is mounted at the bottom end of the box body, and the spray pipe and the mounting plate are communicated with the mounting pipe; a drive mechanism connecting the first roller and the second roller; and the connecting mechanism is arranged in the box body and the sedimentation mechanism.
Preferably, the sedimentation mechanism comprises a sedimentation tank and a cover plate, the blanking pipe is installed on the side wall of the top end of the sedimentation tank, and the cover plate is installed on the top end of the sedimentation tank.
Preferably, shakeout mechanism includes bracing piece, spout, connecting rod, first scraper blade and second scraper blade, the top surface symmetry of apron is equipped with the spout, the inside sliding connection of spout the bracing piece, the perpendicular fixed connection in bottom of bracing piece the connecting rod, the bottom symmetry equidistance installation lateral wall of connecting rod is curved first scraper blade with the second scraper blade, first scraper blade with second scraper blade sliding connection the inside of sedimentation tank, just first scraper blade with the crooked opposite direction of second scraper blade.
Preferably, the connecting mechanism comprises a fixed funnel, a filter screen, a connecting pipe, a first fan blade and a second fan blade, the fixed funnel is installed at one end of the box body, the filter screen is installed on the side wall of the fixed funnel, and two ends of the connecting pipe are respectively connected with the fixed funnel and the side wall of the sedimentation tank; the other end of the box body is rotatably connected with the first fan blade and the second fan blade.
Preferably, the top surface of the cover plate is provided with the water pipes distributed in an S shape, the bottom end of the sedimentation tank is obliquely provided with the connecting pipe, and the connecting pipe and the blanking pipe are positioned on the same side wall of the sedimentation tank.
Preferably, the driving mechanism comprises a motor, a fixed box, a first driven wheel, a second driven wheel and a driving wheel, the fixed box is mounted on the side wall of the box body, and the motor is mounted on the side wall of the fixed box; the inside of the fixed box is rotatably connected with the first driven wheel, the second driven wheel and the driving wheel, the motor is connected with the driving wheel, the first driven wheel, the second driven wheel and the driving wheel are mutually meshed, the first driven wheel and the driving wheel are fixedly connected with the first roller and the second roller, and the second driven wheel is respectively and fixedly connected with the first fan blades and the second fan blades.
Preferably, the first fan blade and the second fan blade, the side walls of which are arc-shaped, have opposite rotating directions, and the first fan blade and the second fan blade have opposite bending directions.
Compared with the related technology, the method for processing and refining calcium hydroxide by using lime provided by the invention has the following beneficial effects:
the invention provides a method for refining calcium hydroxide by lime processing, when lime blocks enter the box body from a feeding hopper, the raised lines on the side walls of a first roller and a second roller are in contact with the lime blocks, the first roller rotates to jack up the lime blocks upwards to enable the lime blocks to jump up and down in the box body, at the moment, water is sprayed upwards from the inside of a spray head, the water penetrates between the first roller and the second roller to be in contact with the jumping lime blocks, the bottom end of the lime blocks is in contact with the water to generate calcium hydroxide, the calcium hydroxide in the part is changed and fluffed, the rotating directions of the first roller and the second roller are opposite, the raised lines with triangular cross sections on the side walls of the first roller and the second roller are in contact with the fluffy calcium hydroxide, and the fluffed calcium hydroxide is scraped off from the lime blocks by the raised lines to fall into the box body, the lime leaks, makes the lime layer of beating contact with water for production efficiency, and calcium hydroxide by after the sand grip is smashed with follow spray tube spun water contact, make water wash calcium hydroxide into the inside of deposiing the mechanism, make calcium hydroxide in the inside of sedimentation tank is deposiing and is reacted once more, just the inside water of deposiing the mechanism heated evaporation with the contact of water pipe bottom, the inside cold water of water pipe contacts with vapour, makes the vapour liquefaction fall into once more the inside of deposiing the mechanism, avoids wasting water, and the inside cold water of water pipe is followed through the heating shower nozzle with the inside blowout of spray tube, through the heating water with the sand grip contact, conveniently with adsorbed calcium hydroxide washes on the sand grip, keeps the sand grip surface clean.
Drawings
FIG. 1 is a schematic structural diagram of a method for refining calcium hydroxide by lime processing according to the present invention;
FIG. 2 is a schematic view of the internal structure of the driving mechanism shown in FIG. 1;
FIG. 3 is a front view of the box structure shown in FIG. 1;
FIG. 4 is a rear view of the box structure shown in FIG. 1;
FIG. 5 is a schematic view of the internal structure of the sedimentation tank shown in FIG. 1;
fig. 6 is a schematic structural view of the flattening mechanism shown in fig. 5.
Reference numbers in the figures: 1. the device comprises a crushing mechanism, 11, a first roller, 12, a second roller, 13, a convex strip, 14, a box body, 2, a feeding funnel, 3, a flattening mechanism, 31, a support rod, 32, a sliding groove, 33, an installation rod, 34, a first scraper, 35, a second scraper, 4, a settling mechanism, 41, a settling pond, 42, a cover plate, 5, a spraying mechanism, 51, an installation pipe, 52, a water pipe, 53, a spraying pipe, 54, an installation plate, 55, a spraying head, 6, a driving mechanism, 61, a motor, 62, a fixing box, 63, a first driven wheel, 64, a second driven wheel, 65, a driving wheel, 7, a connecting mechanism, 71, a fixing funnel, 72, a filter screen, 73, a connecting pipe, 74, a first fan blade, 75, a second fan blade, 8, a blanking pipe, 100 and a production device.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a schematic structural diagram of a method for refining calcium hydroxide by lime processing according to the present invention; FIG. 2 is a schematic view of the internal structure of the driving mechanism shown in FIG. 1; FIG. 3 is a front view of the box structure shown in FIG. 1; FIG. 4 is a rear view of the box structure shown in FIG. 1; FIG. 5 is a schematic view of the internal structure of the sedimentation tank shown in FIG. 1; fig. 6 is a schematic structural view of the flattening mechanism shown in fig. 5. The method for refining the calcium hydroxide by lime processing comprises the following steps: s1: putting lime blocks and water into the production device 100, wherein the mass ratio of the lime blocks to the water is 1:10, preparing the lime blocks into a mixture of calcium hydroxide and water in the production device 100, and precipitating the calcium hydroxide and the water for 2 hours;
s2: discharging the calcium hydroxide and water produced in S1 from the inside of the production apparatus 100 and introducing them into a centrifuge to separate the calcium hydroxide and water for preliminary drying;
s3: drying the primarily dried calcium hydroxide by using a dryer;
wherein the production apparatus 100 includes: a feed hopper 2; the crushing mechanism 1 is provided with the feeding funnel 2 on the top surface of the crushing mechanism 1, the crushing mechanism comprises a first roller 11, a second roller 12, a convex strip 13 and a box body 14, the feeding funnel 2 is arranged on the top surface of the box body 14, the box body 14 is internally and symmetrically and rotatably connected with the first roller 11 and the second roller 12, the rotating directions of the adjacent first roller 11 and the second roller 12 are opposite, and the convex strip 13 with a triangular cross section is equidistantly arranged on the side wall of the first roller 11 and the side wall of the second roller 12; the blanking pipe 8 is arranged at the bottom end of the box body 14; the top end of the sedimentation mechanism 4 is provided with the blanking pipe 8; the flattening mechanism 3 is connected with the interior of the settling mechanism 4 in a sliding manner; the spraying mechanism 5 is installed on the side walls of the box body 14 and the precipitation mechanism 4, the spraying mechanism 5 comprises an installation pipe 51, a water pipe 52, a spray pipe 53, an installation plate 54 and a spray head 55, the water pipe 52 is installed on the top surface of the precipitation mechanism 4, and the installation pipe 51 is installed at one end of the water pipe 52; the mounting plate 54 with arc-shaped side walls is symmetrically mounted in the box body 14, the spray heads 55 are equidistantly mounted on the side walls of the mounting plate 54, the spray pipe 53 is mounted at the bottom end of the box body 14, and the spray pipe 53 and the mounting plate 54 are communicated with the mounting pipe 51; a driving mechanism 6, wherein the driving mechanism 6 is connected with the first roller 11 and the second roller 12; and the connecting mechanism 7, wherein the connecting mechanism 7 is arranged inside the box body 14 and the sedimentation mechanism 4.
Specifically, the sedimentation mechanism 4 includes a sedimentation tank 41 and a cover plate 42, the top end side wall of the sedimentation tank 41 is provided with the blanking pipe 8, the top end of the sedimentation tank 41 is provided with the cover plate 42, so that the cover plate 42 seals the top end of the sedimentation tank 41, carbon dioxide in the air is prevented from entering the sedimentation tank 41, and calcium hydroxide in the sedimentation tank 41 is prevented from contacting with the carbon dioxide to generate calcium carbonate.
Specifically, shakeout mechanism 3 includes bracing piece 31, spout 32, connecting rod 33, first scraper blade 34 and second scraper blade 35, the top surface symmetry of apron 42 is equipped with spout 32, the inside sliding connection of spout 32 bracing piece 31, the perpendicular fixed connection in bottom of bracing piece 31 connecting rod 33, the bottom symmetry equidistance installation lateral wall of connecting rod 33 is curved first scraper blade 34 with second scraper blade 35, first scraper blade 34 with second scraper blade 35 sliding connection the inside of sedimentation tank 41, just first scraper blade 34 with the crooked opposite direction of second scraper blade 35, for the convenience of pulling the bracing piece 31 makes the bracing piece 31 is in the inside of spout 32 slides, the bracing piece 31 drives the connecting rod 33 is in the inside of sedimentation tank 41 slides, first scraper blade 34 with the contact of second scraper blade 35 in the inside of sedimentation tank 41 slides with calcium hydroxide, the first scraper 34 and the second scraper 35 are used for flattening the calcium hydroxide in the sedimentation tank 41, so that the calcium hydroxide is convenient to contact with water.
Specifically, the connecting mechanism 7 includes a fixed funnel 71, a filter screen 72, a connecting pipe 73, a first fan blade 74 and a second fan blade 75, the fixed funnel 71 is installed at one end of the box body 14, the filter screen 72 is installed on the side wall of the fixed funnel 71, and two ends of the connecting pipe 73 are respectively connected to the fixed funnel 71 and the side wall of the sedimentation tank 41; the other end of the box 14 is rotatably connected with the first fan blade 74 and the second fan blade 75, so that in order to facilitate the rotation of the first fan blade 74 and the second fan blade 75 to generate wind, water reacts with lime blocks to generate calcium hydroxide and oxygen, the oxygen is driven to penetrate through the filter screen 72 and the fixed funnel 71 to enter the inside of the connecting pipe 73, the oxygen is sprayed out through the connecting pipe 73 to be in contact with the water and the calcium hydroxide, the calcium hydroxide is pushed to move in the sedimentation tank 41, and the calcium hydroxide is uniformly and respectively in the sedimentation tank 41.
Specifically, the top surface of the cover plate 42 is provided with the water pipes 52 distributed in an S shape, the bottom end of the sedimentation tank 41 is obliquely provided with the connecting pipe 73, the connecting pipe 73 and the discharging pipe 8 are positioned on the same side wall of the sedimentation tank 41, so that the cold water in the installation pipe 51 is contacted with the steam, the steam is liquefied into water drops to enter the sedimentation tank 41, and the water in the installation pipe 51 is heated to absorb heat.
Specifically, the driving mechanism 6 includes a motor 61, a fixed box 62, a first driven wheel 63, a second driven wheel 64 and a driving wheel 65, the fixed box 62 is mounted on a side wall of the box body 14, and the motor 61 is mounted on a side wall of the fixed box 62; the inside of the fixed box 62 is rotatably connected with the first driven wheel 63, the second driven wheel 64 and the driving wheel 65, the motor 61 is connected with the driving wheel 65, the first driven wheel 63, the second driven wheel 64 and the driving wheel 65 are mutually engaged, the first driven wheel 63 and the driving wheel 65 are fixedly connected with the first roller 11 and the second roller 12, and the two second driven wheels 64 are respectively and fixedly connected with the first fan blades 74 and the second fan blades 75, so that the motor 61 drives the driving wheel 65 to rotate, the driving wheel 65 drives the first driven wheel 63 and the second driven wheel 64 to rotate, and the first roller 11, the second roller 12, the first fan blades 74 and the second fan blades 75 are driven to rotate inside the box 14.
Specifically, the lateral wall is curved first flabellum 74 with the rotation direction of second flabellum 75 is opposite, just first flabellum 74 with the crooked opposite direction of second flabellum 75, for the convenience first flabellum 74 with second flabellum 75 rotates and produces wind, just first flabellum 74 with the wind that second flabellum 75 produced blows to same direction, and wind blows in oxygen the inside of fixed funnel 71, discharges the inside oxygen of box 14.
The working principle of the method for processing and refining calcium hydroxide by using lime provided by the invention is as follows: water is discharged into the interior of the settling tank 41 such that the water submerges the connection pipe 73 of the sidewall of the settling tank 41. The device is connected to a power supply, the motor 61 is turned on, the motor 61 drives the driving wheel 65 to rotate, so that the driving wheel 65 drives the first driven wheel 63 and the second driven wheel 64 to rotate, thereby driving the first roller 11, the second roller 12, the first fan blades 74 and the second fan blades 75 to rotate inside the box body 14, as shown in fig. 3, the first roller 11 on the right rotates clockwise, the second roller 12 on the right rotates counterclockwise in the opposite direction, and similarly, the first roller 11 on the left and the second roller 12 on the left rotate in the opposite directions. The water supply is connected to the water pipe 52, and water is injected from the inside of the injection head 55 and the injection pipe 53 through the water pipe 52 and the installation pipe 51. The feeding funnel 2 of the lime block barrel enters the interior of the box body 14, the convex strips 13 on the side walls of the first roller 11 and the second roller 12 are contacted with the lime blocks, the first roller 11 on the right rotates clockwise, the second roller 12 on the right rotates anticlockwise and oppositely, the first roller 11 rotates to jack up the lime blocks upwards, the lime blocks jump up and down in the interior of the box body 14, at the moment, water is sprayed upwards from the interior of the spray nozzle 55, the water penetrates between the first roller 11 and the second roller 12 to be contacted with the jumping lime blocks, the bottom ends of the lime blocks are contacted with the water to generate calcium hydroxide and oxygen, the calcium hydroxide in the part is changed to be fluffy, the rotating directions of the first roller 11 and the second roller 12 are opposite, and the convex strips 13 on the side walls of the first roller 11 and the second roller 12 are contacted with the fluffy calcium hydroxide, the raised lines 13 scrape fluffy calcium hydroxide from lime blocks and fall into the box body 14, the lime blocks leak out, a bouncing lime layer is contacted with water, the production efficiency is improved, the calcium hydroxide is crushed by the raised lines 13 and then is contacted with the water sprayed out from the spray pipes 53, the water washes the calcium hydroxide into the sedimentation tank 41 through the discharging pipe 8, the calcium hydroxide is precipitated and re-reacted in the sedimentation tank 41, the water in the sedimentation tank 41 is heated and evaporated and is contacted with the bottom end of the water pipe 52, the cold water in the water pipe 52 is contacted with steam, the steam is liquefied and falls into the sedimentation tank 41 again, the waste of water is avoided, the cold water in the water pipe 52 is heated and sprayed out from the spray nozzles 55 and the spray pipes 53, the heated water is contacted with the raised lines 13, and the calcium hydroxide adsorbed on the raised lines 13 is conveniently washed out, keeping the surface of the convex strips 13 clean. First flabellum 74 with second flabellum 75 rotates and produces wind, and the lateral wall is the arc first flabellum 74 with second flabellum 75's rotation direction is opposite, just first flabellum 74 with the crooked opposite direction of second flabellum 75, and for the convenience first flabellum 74 with second flabellum 75 rotates and produces wind, just first flabellum 74 with the wind that second flabellum 75 produced blows to same direction, and wind blows in oxygen the inside of fixed funnel 71, makes oxygen run through filter screen 72 with fixed funnel 71 gets into the inside of connecting pipe 73, oxygen passes through connecting pipe 73 blowout with follow down pipe 8 spun water and calcium hydroxide contact promote calcium hydroxide and be in the internal motion of sedimentation tank 41 makes calcium hydroxide evenly be in respectively the inside of sedimentation tank 41, and oxygen constantly is in the inside upward motion of sedimentation tank 41, make oxygen constantly discharge the inside air of sedimentation tank 41 avoids the carbon dioxide in the air to get into the inside of sedimentation tank 41, in process of production, the round trip pulling the bracing piece 31 makes the bracing piece 31 is in the inside of spout 32 slides, the bracing piece 31 drives the connecting rod 33 is in the inside of sedimentation tank 41 slides, first scraper blade 34 with second scraper blade 35 is in the inside of sedimentation tank 41 slides and the contact of calcium hydroxide, makes first scraper blade 34 with second scraper blade 35 is in the calcium hydroxide is in the inside of sedimentation tank 41 is shakeouts, makes things convenient for calcium hydroxide and water contact. When the amount of the calcium hydroxide and the water in the sedimentation tank 41 is proper, the motor 61 is turned off, the lime blocks are stopped from being added into the feeding funnel 2, the calcium hydroxide and the water are settled in the sedimentation tank 41 for two hours, and then the calcium hydroxide and the water are taken out from the sedimentation tank 41 and can be reused.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. A method for processing and refining calcium hydroxide by lime is characterized by comprising the following steps:
s1: putting lime blocks and water into the production device, wherein the mass ratio of the lime blocks to the water is 1:10, preparing the lime blocks into a mixture of calcium hydroxide and water in the production device, and precipitating the calcium hydroxide and the water for 2 hours;
s2: discharging the calcium hydroxide and water prepared in the S1 from the inside of the production device, introducing the calcium hydroxide and water into a centrifuge, and separating the calcium hydroxide and the water for primary drying;
s3: drying the primarily dried calcium hydroxide by using a dryer;
wherein the production apparatus comprises:
a feed hopper;
the top surface of the crushing mechanism is provided with the feeding funnel, the crushing mechanism comprises a first roller, a second roller, a convex strip and a box body, the feeding funnel is arranged on the top surface of the box body, the interior of the box body is symmetrically and rotatably connected with the first roller and the second roller, the rotating directions of the adjacent first roller and second roller are opposite, and the convex strips with triangular sections are equidistantly arranged on the side walls of the first roller and the second roller;
the blanking pipe is arranged at the bottom end of the box body;
the top end of the sedimentation mechanism is provided with the blanking pipe;
the flattening mechanism is connected with the interior of the sedimentation mechanism in a sliding manner;
the spraying mechanism comprises an installation pipe, a water pipe, a spray pipe, an installation plate and a spray head, the water pipe is installed on the top surface of the precipitation mechanism, and the installation pipe is installed at one end of the water pipe; the mounting plate with arc-shaped side walls is symmetrically mounted inside the box body, the spray heads are mounted on the side walls of the mounting plate at equal intervals, the spray pipe is mounted at the bottom end of the box body, and the spray pipe and the mounting plate are communicated with the mounting pipe;
a drive mechanism connecting the first roller and the second roller;
and the connecting mechanism is arranged in the box body and the sedimentation mechanism.
2. The method for extracting calcium hydroxide from lime through processing according to claim 1, wherein the settling mechanism comprises a settling tank and a cover plate, the feeding pipe is mounted on the side wall of the top end of the settling tank, and the cover plate is mounted on the top end of the settling tank.
3. The method for refining calcium hydroxide through lime processing according to claim 2, wherein the flattening mechanism comprises a support rod, a sliding groove, a connecting rod, a first scraper and a second scraper, the top surface of the cover plate is symmetrically provided with the sliding groove, the sliding groove is connected with the support rod in a sliding manner, the bottom end of the support rod is fixedly connected with the connecting rod in a vertical manner, the bottom end of the connecting rod is symmetrically provided with the side walls in an equidistant manner, the side walls are arc-shaped, the first scraper and the second scraper are connected with the inside of the sedimentation tank in a sliding manner, and the bending directions of the first scraper and the second scraper are opposite.
4. The method for processing and refining calcium hydroxide with lime according to claim 2, wherein the connecting mechanism comprises a fixed funnel, a filter screen, a connecting pipe, a first fan blade and a second fan blade, the fixed funnel is installed at one end of the box body, the filter screen is installed on the side wall of the fixed funnel, and two ends of the connecting pipe are respectively connected with the fixed funnel and the side wall of the sedimentation tank; the other end of the box body is rotatably connected with the first fan blade and the second fan blade.
5. The method for extracting calcium hydroxide from lime as claimed in claim 4, wherein the water pipes are installed on the top surface of the cover plate in an S-shaped distribution, the connecting pipe is installed at the bottom end of the sedimentation tank in an inclined manner, and the connecting pipe and the discharging pipe are located on the same side wall of the sedimentation tank.
6. The method for refining calcium hydroxide through lime processing as claimed in claim 4, wherein the driving mechanism comprises a motor, a fixed box, a first driven wheel, a second driven wheel and a driving wheel, the fixed box is mounted on the side wall of the box body, and the motor is mounted on the side wall of the fixed box; the inside of fixed case rotates to be connected first from the driving wheel, the second from the driving wheel with the action wheel, the motor is connected the action wheel, first from the driving wheel, the second from the driving wheel with intermeshing between the action wheel, first from the driving wheel with action wheel fixed connection first cylinder with the second cylinder, two the second is from driving wheel fixed connection respectively first flabellum with the second flabellum.
7. The method for extracting calcium hydroxide from lime as claimed in claim 4, wherein the first fan blade and the second fan blade with arc-shaped side walls rotate in opposite directions, and the first fan blade and the second fan blade bend in opposite directions.
CN202010626428.2A 2020-07-01 2020-07-01 Method for processing and refining calcium hydroxide by using lime Active CN111704153B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010626428.2A CN111704153B (en) 2020-07-01 2020-07-01 Method for processing and refining calcium hydroxide by using lime

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010626428.2A CN111704153B (en) 2020-07-01 2020-07-01 Method for processing and refining calcium hydroxide by using lime

Publications (2)

Publication Number Publication Date
CN111704153A CN111704153A (en) 2020-09-25
CN111704153B true CN111704153B (en) 2022-05-03

Family

ID=72544827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010626428.2A Active CN111704153B (en) 2020-07-01 2020-07-01 Method for processing and refining calcium hydroxide by using lime

Country Status (1)

Country Link
CN (1) CN111704153B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008326A1 (en) * 1987-04-30 1988-11-03 Fagrell Per Aake Apparatus for obtaining a suspension and solution of powdered limestone, especially quick lime, in water
KR20040033758A (en) * 2002-10-15 2004-04-28 주식회사 포스코 Device for removing swaf of alkali liquid tank
CN104587942A (en) * 2015-02-06 2015-05-06 池州博瑞德钙业有限公司 Calcium carbonate production device
CN107601541A (en) * 2017-09-30 2018-01-19 广西华洋矿源材料有限公司 A kind of production method of nano-calcium carbonate
CN109647314A (en) * 2018-12-14 2019-04-19 阳泉市星火金源工贸有限公司 Agitating device is used in a kind of production of calcium hydroxide
CN110354784A (en) * 2019-07-19 2019-10-22 李家浩 A kind of sodium hydroxide process units

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008326A1 (en) * 1987-04-30 1988-11-03 Fagrell Per Aake Apparatus for obtaining a suspension and solution of powdered limestone, especially quick lime, in water
KR20040033758A (en) * 2002-10-15 2004-04-28 주식회사 포스코 Device for removing swaf of alkali liquid tank
CN104587942A (en) * 2015-02-06 2015-05-06 池州博瑞德钙业有限公司 Calcium carbonate production device
CN107601541A (en) * 2017-09-30 2018-01-19 广西华洋矿源材料有限公司 A kind of production method of nano-calcium carbonate
CN109647314A (en) * 2018-12-14 2019-04-19 阳泉市星火金源工贸有限公司 Agitating device is used in a kind of production of calcium hydroxide
CN110354784A (en) * 2019-07-19 2019-10-22 李家浩 A kind of sodium hydroxide process units

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
湿法改性制备高比表面积氢氧化钙及表征;郝志飞等;《无机盐工业》;20151231(第12期);摘要 *

Also Published As

Publication number Publication date
CN111704153A (en) 2020-09-25

Similar Documents

Publication Publication Date Title
CN206715900U (en) Chemical Manufacture reactor washing and brushing device
CN108439416A (en) A kind of quartz sand acid washes purifying plant
CN111704153B (en) Method for processing and refining calcium hydroxide by using lime
CN209646122U (en) A kind of pretreating device of slag containing indium
KR100803706B1 (en) A precipitation calcium calbonate production method using carbonic acid gas and revival aggregate and that device
KR100924836B1 (en) The apparatus for crystallization of inorganic matter
CN110014527B (en) GR-SiO2/IPreparation method of IR material and glue spraying device
CN207738975U (en) A kind of weaving cleaning machine of Rapid Cleaning
CN211938161U (en) Straw pretreatment device for producing straw fermented feed
CN212820264U (en) Paint ball mill
CN211803109U (en) Cold-rolled strip steel cleaning device
CN216038680U (en) Refined high-purity high-hydrophobicity quartz sand purification reaction kettle
CN203343136U (en) Cleaning device for ball type reaction tank for preparing animal vaccines
CN211886386U (en) High-efficient making beating device is used in production of precipitation method white carbon black
CN219647480U (en) Alkali decomposition device is used in production of high aluminium high silicon ion ore deposit raw materials
CN219186329U (en) Dust remover for lime block treatment
CN221412791U (en) Stirring heating device for rare earth extraction
CN201433173Y (en) Lime shaft kiln having desulfurization and dust removal functions
CN220736336U (en) Defoaming device and battery recovery reaction kettle with same
CN200955897Y (en) Plough scraper type air stripping machine for celluse ether industry
CN216125725U (en) Reducing mechanism is used in resin tile production
CN215939960U (en) Chemical reaction neutralization kettle
CN110508521A (en) A kind of charcoal raw material processing and its processing method
CN213556918U (en) High-pressure material synthesis equipment
CN219324539U (en) Scrap iron recycling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 415000 south side of Xiangfu Avenue, economic development zone, linli County, Changde City, Hunan Province

Patentee after: Hunan Xinzhong Calcium Industry Co.,Ltd.

Address before: 415000 south side of Xiangfu Avenue, economic development zone, linli County, Changde City, Hunan Province

Patentee before: Linli Xinzhong calcium Industry Co.,Ltd.

CP01 Change in the name or title of a patent holder
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A method of using lime processing to extract calcium hydroxide

Granted publication date: 20220503

Pledgee: Agricultural Bank of China Limited Linli County Branch

Pledgor: Hunan Xinzhong Calcium Industry Co.,Ltd.

Registration number: Y2024980015869

PE01 Entry into force of the registration of the contract for pledge of patent right