CN115970624A - Gas-solid reactor for preparing calcium carbonate by using carbon dioxide - Google Patents
Gas-solid reactor for preparing calcium carbonate by using carbon dioxide Download PDFInfo
- Publication number
- CN115970624A CN115970624A CN202310027255.6A CN202310027255A CN115970624A CN 115970624 A CN115970624 A CN 115970624A CN 202310027255 A CN202310027255 A CN 202310027255A CN 115970624 A CN115970624 A CN 115970624A
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- rotating shaft
- hollow
- hollow rotating
- carbon dioxide
- reaction tank
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 81
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 42
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 40
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 21
- 239000007787 solid Substances 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 210000003709 heart valve Anatomy 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 10
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007810 chemical reaction solvent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 2
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a gas-solid reactor for preparing calcium carbonate by using carbon dioxide, which comprises a reaction tank, wherein the bottom of the reaction tank is provided with a supporting component, the upper side wall of the reaction tank is vertically provided with a rectangular opening, a flanging extends upwards from the opening, and the opening is provided with a sealing end cover; a hollow rotating shaft is inserted in the reaction tank, a plurality of air conveying holes are formed in the hollow rotating shaft, each air conveying hole is communicated with a radial air conveying pipe, an air outlet of each air conveying pipe is communicated with a first one-way valve, an air outlet of each first one-way valve is connected with an air distributing device, a stirring rod is arranged on the hollow rotating shaft, a driving assembly is arranged at the right end of the hollow rotating shaft, and a conveying pipe is connected at the left end of the hollow rotating shaft; the gas distribution device comprises a hollow cylinder, and a plurality of gas distribution holes are formed in the side wall of the hollow cylinder. The invention can realize the porous uniform transportation of the carbon dioxide and promote the sufficient reaction of the carbon dioxide and the mixture, and further promote the sufficient reaction of the carbon dioxide and the mixture by stirring and overturning.
Description
Technical Field
The invention relates to the technical field of stirring tanks, in particular to a gas-solid reactor for preparing calcium carbonate by using carbon dioxide.
Background
Carbon dioxide is a colorless, odorless and odorless gas at normal temperature, and can be dissolved in water to formCarbonic acid, carbonic acid is a weak acid, and calcium hydroxide is a white powdery solid. Chemical formula Ca (OH) 2 The lime hydrate and the slaked lime are commonly called as hydrated lime and slaked lime, water is added to form an upper layer and a lower layer, the upper layer of aqueous solution is called as clear lime water, the lower layer of suspension is called as lime milk or lime slurry, carbon dioxide and calcium hydroxide react to generate calcium carbonate and generate precipitate, and the whole solution is viscous;
the carbon dioxide reacts with calcium hydroxide in the hydration process of the cementing material, when the calcium hydroxide with unit volume is aerated with carbon dioxide gas, carbon dioxide in the reaction container forms certain air pressure, and simultaneously, the mixture in the reaction container is relatively viscous, so that the single conveying of the carbon dioxide cannot fully react with the reaction solvent at the bottom of the reaction container.
Disclosure of Invention
The invention aims to provide a gas-solid reactor for preparing calcium carbonate by using carbon dioxide, which solves the problems in the prior art, can realize porous uniform delivery of the carbon dioxide and can improve the full reaction of the carbon dioxide and a reaction solvent.
In order to achieve the purpose, the invention provides the following scheme:
a gas-solid reactor for preparing calcium carbonate by using carbon dioxide comprises a reaction tank and a support component, wherein the reaction tank is horizontally and fixedly arranged on the top surface of the support component, the top of the side wall of the reaction tank is provided with an opening, and the opening is detachably connected with a sealing end cover matched with the opening in size;
a hollow rotating shaft is horizontally arranged in the reaction tank, two ends of the hollow rotating shaft respectively penetrate through two end faces of the reaction tank, the hollow rotating shaft is connected with the reaction tank in a sealing and rotating mode, a plurality of air conveying holes are formed in the side face of the hollow rotating shaft, the air conveying holes are fixedly connected and communicated with air conveying pipes, the air conveying pipes are arranged in the inner cavity of the reaction tank, air outlets of the air conveying pipes are communicated with a first one-way valve, and the first one-way valve is fixedly connected and communicated with an air distributing device for dispersing air flow; a plurality of stirring rods are fixedly connected to the side face of the hollow rotating shaft, and the stirring rods are arranged opposite to the gas conveying pipe; one end transmission of hollow pivot is connected with drive assembly, the other end rigid coupling of hollow pivot is connected with and is used for giving the conveyer pipe of carrying carbon dioxide in the hollow pivot.
Preferably, the gas distribution device comprises a hollow cylinder, one end of the hollow cylinder, which is far away from the hollow rotating shaft, is closed, and one end of the hollow cylinder, which is close to the hollow rotating shaft, is fixedly connected and communicated with the first one-way valve; a plurality of air distribution holes are formed in the side wall of the hollow cylinder; and an air homogenizing assembly is arranged in the inner cavity of the hollow cylinder.
Preferably, the hollow cylinder is in a circular truncated cone shape, and one side of the hollow cylinder with the larger inner diameter is far away from the hollow rotating shaft; the air homogenizing assembly comprises a sliding rod, the sliding rod is inserted on the end face, far away from the hollow rotating shaft, of the hollow cylinder, the sliding rod is connected with the hollow cylinder in a sliding mode, and a baffle is sleeved and fixedly connected to one end of the sliding rod; one end of the hollow cylinder, which is far away from the hollow rotating shaft, is provided with a hollow cavity in a hollow way; the baffle is arranged in the cavity, a return spring is fixedly connected between one end face of the baffle and the side wall of the cavity, and the return spring is sleeved outside the sliding rod; one end of the sliding rod penetrates through the end face of the hollow cylinder and the cavity respectively and is fixedly connected with a steel ball; a plurality of obliquely arranged through hole rods are fixedly connected to the sliding rod, the bottom ends of the through hole rods are obliquely arranged towards the side wall of the hollow cylinder, and the through hole rods and the air distribution holes are arranged in a one-to-one correspondence manner; the bottom surface of the sealing end cover is fixedly connected with a plurality of bulges; the steel ball is detachably connected with the bulge.
Preferably, the supporting assembly comprises a U-shaped plate, the reaction tank is arranged in an inner cavity of the U-shaped plate, and two ends of the hollow rotating shaft respectively penetrate through two ends of the U-shaped plate and are rotatably connected with the U-shaped plate; two ends of the outer side surface of the reaction tank are respectively and fixedly connected with a fixed block, and the top surface of the fixed block is penetrated and is connected with an inserted bar in a sliding manner; the bottom surface of the inner cavity of the U-shaped plate is provided with a jack which is matched with the fixing block in a sliding way.
Preferably, the driving assembly comprises a motor, the motor is fixedly connected with one end of the outer wall of the U-shaped plate through a support, a first rotating shaft is arranged between the output shaft of the motor and one end of the hollow rotating shaft, one end of the first rotating shaft is fixedly connected with the output end of the motor, and the other end of the first rotating shaft is inserted into one end of the hollow rotating shaft and is fixedly connected with the hollow rotating shaft in a sealing manner.
Preferably, retort lateral wall rigid coupling and intercommunication have the manometer, hollow pivot with the retort is connected through the sealed rotation of dynamic seal ring, one side of retort is opened there is the hole of disappointing, hole inner wall fixed mounting loses heart valve.
Preferably, a rotary sealing joint and a second one-way valve are arranged between the conveying pipe and the hollow rotating shaft, and one end of the second one-way valve is fixedly connected and communicated with one end of the conveying pipe; one end of the rotary sealing joint is fixedly connected and communicated with one end of the hollow rotating shaft; the rotary sealing joint is detachably connected with the second one-way valve.
Preferably, the air distribution holes are strip-shaped holes along the bus direction of the hollow cylinder.
Preferably, the stirring rod is arranged between the adjacent hollow cylinders, and the stirring blades of the stirring rod are bent.
The invention has the following technical effects:
the invention can realize porous uniform delivery of the carbon dioxide and promote the full reaction of the carbon dioxide and the reaction solvent, and simultaneously further promote the full reaction of the carbon dioxide and the reaction solvent by stirring and turning over the solvent, thereby improving the efficiency of preparing the calcium carbonate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a partial cross-sectional structure of the present invention in a front side view;
FIG. 2 is a schematic structural diagram of the present invention in a front side view;
FIG. 3 is a schematic view of the present invention in partial cross-section from a left side view;
FIG. 4 is a partial schematic view of the present invention from a left side;
FIG. 5 is a first structural view of the gas distributor at a front side view angle;
FIG. 6 is a structural diagram of the second state of the gas distributing device at a front side view angle according to the present invention;
FIG. 7 is a schematic view of the structure of the central shaft of the present invention.
Wherein, 1, a reaction tank; 11. an air release hole; 12. a gas release valve; 13. a pressure gauge; 2. a support assembly; 21. a U-shaped plate; 22. an arc-shaped supporting seat; 23. a guide rib; 24. a guide groove; 25. a fixed block; 26. inserting a rod; 3. sealing the end cap; 4. a hollow rotating shaft; 41. a delivery pipe; 411. a second one-way valve; 412. a rotary seal joint; 42. a drive assembly; 421. a motor; 422. a first rotating shaft; 43. a movable sealing ring; 5. a gas transmission hole; 6. a gas delivery pipe; 7. a first check valve; 8. a gas distribution device; 81. a hollow cylinder; 811. a slide bar; 8111. a steel ball; 812. a through-hole rod; 813. a boss portion; 814. a cavity; 815. a baffle plate; 816. a return spring; 82. air distributing holes; 9. a stirring rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
The first embodiment is as follows:
referring to fig. 1 and 2, a gas-solid reactor for preparing calcium carbonate by using carbon dioxide comprises a reaction tank 1 and a support component 2, wherein the reaction tank 1 is horizontally and fixedly installed on the top surface of the support component 2, the top of the side wall of the reaction tank 1 is provided with an opening, and the opening is detachably connected with a sealing end cover 3 matched with the opening in size;
a hollow rotating shaft 4 is horizontally arranged in the reaction tank 1, two ends of the hollow rotating shaft 4 respectively penetrate through two end faces of the reaction tank 1, the hollow rotating shaft 4 is connected with the reaction tank 1 in a sealing and rotating mode, and a plurality of air conveying holes 5 are formed in the side face of the hollow rotating shaft 4.
As shown in fig. 7, the number of the gas transmission holes 5 is preferably three, the gas transmission holes 5 are spirally formed along the outer side surface of the hollow rotating shaft 4 at equal intervals, and each gas transmission hole 5 is fixedly connected and communicated with a gas transmission pipe 6 along the radial direction of the hollow rotating shaft 4, preferably, the gas transmission holes are communicated by welding.
As shown in fig. 5 and 6, the air outlet of the air pipe 6 is communicated with a first one-way valve 7, the arranged first one-way valve 7 can prevent negative pressure backflow of air and liquid, and the air outlet of the first one-way valve 7 is fixedly connected and communicated with an air distributing device 8.
As shown in fig. 1 and 3, a stirring rod 9 is disposed on the hollow rotating shaft 4 and opposite to the gas pipe 6, one end of the hollow rotating shaft 4 is connected with a driving assembly 42 in a transmission manner, and the other end of the hollow rotating shaft 4 is fixedly connected and communicated with a conveying pipe 41 for conveying carbon dioxide into the hollow rotating shaft 4. The gas distribution device 8 comprises a hollow cylinder 81, one end of the hollow cylinder 81, which is far away from the hollow rotating shaft 4, is closed, and one end of the hollow cylinder 81, which is close to the hollow rotating shaft 4, is fixedly connected and communicated with the first one-way valve 7; a plurality of air distribution holes 82 are formed in the side wall of the hollow cylinder 81; an air homogenizing assembly is arranged in the inner cavity of the hollow cylinder 81.
In the above embodiment, the inlet of solutions such as calcium hydroxide and water and the outlet of reacted calcium carbonate or calcium bicarbonate can be realized through the opening on the reaction tank 1, the opening is provided with a flange, the sealing end cover 3 can conveniently plug the opening with a screw, the support assembly 2 can support and limit the reaction tank 1, and the drive assembly 42 can drive the hollow rotating shaft 4 to rotate; when calcium carbonate needs to be prepared, the conveying pipe 41 is opened, carbon dioxide can be conveyed into the hollow rotating shaft 4 through the conveying pipe 41, the carbon dioxide can enter the first one-way valve 7 along each air conveying hole 5 and the air conveying pipe 6, then the carbon dioxide can enter the hollow cylinder 81 along the outlet of the first one-way valve 7, a plurality of air distributing holes 82 are vertically distributed in the hollow cylinder 81, so that the carbon dioxide can be uniformly output, when the driving assembly 42 drives the hollow rotating shaft 4 to rotate, the stirring of the reaction solution by each hollow cylinder 81 and the stirring rod 9 can be realized, and the uniform release of the carbon dioxide in the inner cavity of the reaction tank 1 is also realized.
Referring to fig. 1 and 5, the hollow cylinder 81 has a circular truncated cone shape, and the side of the hollow cylinder 81 having the larger inner diameter is disposed away from the hollow rotating shaft 4; the air homogenizing assembly comprises a sliding rod 811, the sliding rod 811 is inserted on the end face, far away from the hollow rotating shaft 4, of the hollow cylinder 81, the sliding rod 811 is connected with the hollow cylinder 81 in a sliding mode, and a baffle 815 is sleeved and fixedly connected at one end of the sliding rod 811; a cavity 814 is arranged in the hollow cylinder 81 at one end far away from the hollow rotating shaft 4; the baffle 815 is arranged in the cavity 814, a return spring 816 is fixedly connected between one end surface of the baffle 815 and the inner cavity side wall of the cavity 814, and the return spring 816 is sleeved outside the sliding rod 811; one end of the sliding rod 811 penetrates through the end surface of the hollow cylinder 81 and the cavity 814 respectively and is fixedly connected with a steel ball 8111; a plurality of obliquely arranged through hole rods 812 are fixedly connected to the sliding rod 811, the bottom ends of the through hole rods 812 are obliquely arranged towards the side wall of the hollow cylinder 81, and the through hole rods 812 and the air distribution holes 82 are arranged in a one-to-one correspondence manner; the bottom surface of the sealing end cover 3 is fixedly connected with a plurality of bosses 813; the steel ball 8111 is detachably connected with the boss 813. When the steel ball 8111 at the tail end of the sliding rod 811 rotates to not abut against the convex part 813, the tip end of the through hole rod 812 is close to the corresponding air distribution hole 82 and is positioned in the hollow cylinder 81; when the sliding rod 811 rotates until the steel ball 8111 at the tail end of the sliding rod 811 abuts against the boss 813 to the highest point, the tip of the through hole rod 812 gradually extends out of the hollow cylinder 81 from the air distributing hole 82. Can avoid when long-time operation, each branch gas pocket 82 is blockked up, thereby can the gas transmission efficiency of greatly reduced, slide bar 811 through setting up can slide from top to bottom in hollow section of thick bamboo 81, realize that each through-hole pole 812 on the slide bar 811 can utilize the hollow section of thick bamboo 81 of round platform shape and do vertical removal along with sliding, and realize carrying out the effect of mediation to the branch gas pocket 82 that corresponds, when steel ball 8111 does not contact with bellying 813, make slide bar 811 reset because reset spring 816's effect.
Referring to fig. 1 and 2, the support assembly 2 includes a U-shaped plate 21 with an upward opening, the reaction tank 1 is disposed between two risers at two ends of the U-shaped plate 21, two ends of the hollow rotating shaft 4 respectively penetrate through the two risers of the U-shaped plate 21, and the hollow rotating shaft 4 is rotatably connected with the two risers of the U-shaped plate 21; two ends of the outer side surface of the reaction tank 1 are respectively and fixedly connected with a fixing block 25, and the top surface of the fixing block 25 is penetrated and is connected with an inserted rod 26 in a sliding manner; the bottom surface of the inner cavity of the U-shaped plate 21 is provided with a jack which is matched with the fixed block 25 in a sliding way.
The U-shaped plate 21 arranged in the invention can play a role of a support frame, so that the hollow rotating shaft 4 can rotate on the U-shaped plate 21 and is supported by the U-shaped plate 21, and the limiting of the reaction tank 1 can be realized through the arranged inserted link 26 and the inserted hole, namely when the hollow rotating shaft 4 rotates to work, the reaction tank 1 does not rotate; when calcium carbonate or calcium bicarbonate after the reaction needs to be dumped, the inserted bar 26 can vertically and upwards slide in the fixed block 25, so that the inserted bar 26 is separated from the insertion hole, and the rotation of the reaction tank 1 can be controlled.
Further, referring to fig. 1, the driving assembly 42 includes a motor 421, the motor 421 is fixedly connected to one end of the outer wall of the U-shaped plate 21 through a support, a first rotating shaft 422 is disposed between an output shaft of the motor 421 and one end of the hollow rotating shaft 4, one end of the first rotating shaft 422 is fixedly connected to an output end of the motor 421, and the other end of the first rotating shaft 422 is inserted into one end of the hollow rotating shaft 4 and is fixedly connected to the hollow rotating shaft 4 in a sealing manner.
According to the invention, the first rotating shaft 422 can be sealed and fixedly connected with the right end opening of the hollow rotating shaft 4, meanwhile, the rotation of the output shaft of the motor 421 can drive the first rotating shaft 422 to rotate, and the first rotating shaft 422 can drive the hollow rotating shaft 4 to rotate.
In a further optimized scheme, the stirring rod 9 is arranged between the adjacent hollow cylinders 81, and the stirring blades of the stirring rod 9 are bent. The blades in the limiting stirring rod 9 are bent, so that the effect of stirring and overturning the reaction materials in the reaction tank 1 can be realized.
Referring to fig. 1, a pressure gauge 13 is fixedly connected and communicated with the side wall of the reaction tank 1, the hollow rotating shaft 4 is rotatably connected with the reaction tank 1 in a sealing manner through a movable sealing ring 43, one side of the reaction tank 1 is provided with an air release hole 11, and an air release valve 12 is fixedly installed on the inner wall of the air release hole 11.
In the above embodiment, through the dynamic seal ring 43 that sets up, can prevent that hollow rotating shaft 4 from taking place the emergence of the circumstances such as weeping with retort 1 contact pivoted point, the effect of disappointing can be realized carrying out the gas to the gas in retort 1 in the disappointing hole 11 that sets up, the big or small degree that the valve 12 that loses heart that sets up can be through manual control, the manometer of setting can be convenient for observe the pressure in retort 1 to control the flow of carbon dioxide.
In a further preferred embodiment, with reference to fig. 1 and 2, the end closure 3 is screwed to the open extension of the reaction vessel 1 by means of a plurality of screws. Sealing end cap 3 passes through bolt and 1 threaded connection of retort, the dismouting of can being convenient for, when the material after the reaction was emptyd to needs, rotatable bolt comes to dismantle sealing end cap 3.
Further, referring to fig. 1 and fig. 2, a rotary sealing joint 412 and a second check valve 411 are arranged between the delivery pipe 41 and the hollow rotating shaft 4, and one end of the second check valve 411 is fixedly connected and communicated with one end of the delivery pipe 41; one end of the rotary sealing joint 412 is fixedly connected and communicated with one end of the hollow rotating shaft 4; the rotary seal joint 412 is detachably connected to the second check valve 411. Through the rotary sealing joint 412 who sets up, when can realizing hollow rotating shaft 4 and rotate, second check valve 411 and conveyer pipe 41 keep relatively motionless, and simultaneously, the second check valve 411 who sets up can further prevent the backward flow of reactant and carbon dioxide.
In a further optimized scheme, referring to fig. 5, the air distribution holes 82 are all strip-shaped holes along the bus direction of the hollow cylinder 81. By defining the specific shape of the air distribution holes 82, the through hole rod 812 can move vertically downward without colliding with and interfering with the inner walls of the air distribution holes 82.
Example two:
referring to fig. 3 and 4, retort 1 bottom is provided with rather than radian assorted arc supporting seat 22 and both rotate the contact, and the lower surface of supporting seat is connected with the upper surface fixed connection of U-shaped plate 21 diaphragm, and retort 1 is around being equipped with semi-arc direction muscle 23 and both fixed connection along the bottom that the central point of left and right sides direction put, and arc supporting seat 22 is seted up with direction muscle 23 assorted guide way 24.
In the above embodiment, the stability of retort 1 when rotating and fixing can be further improved through the supporting seat that sets up, and retort 1 can rotate on the supporting seat, and the removal of retort 1 along left and right directions can further be prevented to the guide way 24 and the direction muscle 23 of setting, has improved holistic stability.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The gas-solid reactor for preparing calcium carbonate by using carbon dioxide is characterized by comprising a reaction tank (1) and a supporting component (2), wherein the reaction tank (1) is horizontally and fixedly arranged on the top surface of the supporting component (2), the top of the side wall of the reaction tank (1) is provided with an opening, and the opening is detachably connected with a sealing end cover (3) matched with the opening in size;
a hollow rotating shaft (4) is horizontally arranged in the reaction tank (1), two ends of the hollow rotating shaft (4) respectively penetrate through two end faces of the reaction tank (1), the hollow rotating shaft (4) is connected with the reaction tank (1) in a sealing and rotating mode, a plurality of air transmission holes (5) are formed in the side face of the hollow rotating shaft (4), the air transmission holes (5) are fixedly connected and communicated with an air transmission pipe (6), the air transmission pipe (6) is arranged in the inner cavity of the reaction tank (1), an air outlet of the air transmission pipe (6) is communicated with a first one-way valve (7), and the first one-way valve (7) is fixedly connected and communicated with an air distribution device (8) used for dispersing air flow; a plurality of stirring rods (9) are fixedly connected to the side surface of the hollow rotating shaft (4), and the stirring rods (9) are arranged opposite to the gas conveying pipe (6); one end transmission of hollow pivot (4) is connected with drive assembly (42), the other end rigid coupling of hollow pivot (4) is connected with and is used for giving delivery pipe (41) of carrying carbon dioxide in hollow pivot (4).
2. The gas-solid reactor for preparing calcium carbonate using carbon dioxide as claimed in claim 1, wherein: the air distribution device (8) comprises a hollow cylinder (81), one end, far away from the hollow rotating shaft (4), of the hollow cylinder (81) is closed, and one end, close to the hollow rotating shaft (4), of the hollow cylinder (81) is fixedly connected and communicated with the first one-way valve (7); a plurality of air distribution holes (82) are formed in the side wall of the hollow cylinder (81); and an air homogenizing assembly is arranged in the inner cavity of the hollow cylinder (81).
3. The gas-solid reactor for preparing calcium carbonate from carbon dioxide as claimed in claim 2, wherein: the hollow cylinder (81) is in a circular truncated cone shape, and one side of the hollow cylinder (81) with the larger inner diameter is arranged far away from the hollow rotating shaft (4); the air homogenizing assembly comprises a sliding rod (811), the sliding rod (811) is inserted on the end face, far away from the hollow rotating shaft (4), of the hollow cylinder (81), the sliding rod (811) is connected with the hollow cylinder (81) in a sliding mode, and a baffle (815) is sleeved and fixedly connected to one end of the sliding rod (811); a cavity (814) is arranged in a hollow manner at one end of the hollow cylinder (81) far away from the hollow rotating shaft (4); the baffle (815) is arranged in the cavity (814), a return spring (816) is fixedly connected between one end face of the baffle (815) and the inner cavity side wall of the cavity (814), and the return spring (816) is sleeved outside the sliding rod (811); one end of the sliding rod (811) penetrates through the end face of the hollow cylinder (81) and the cavity (814) respectively and is fixedly connected with a steel ball (8111); a plurality of obliquely arranged through hole rods (812) are fixedly connected to the sliding rod (811), the bottom ends of the through hole rods (812) are obliquely arranged towards the side wall of the hollow cylinder (81), and the through hole rods (812) and the air distribution holes (82) are arranged in one-to-one correspondence; the bottom surface of the sealing end cover (3) is fixedly connected with a plurality of bosses (813); the steel ball (8111) is detachably connected with the boss (813).
4. The gas-solid reactor for preparing calcium carbonate using carbon dioxide as claimed in claim 1, wherein: the supporting assembly (2) comprises a U-shaped plate (21), the reaction tank (1) is arranged in an inner cavity of the U-shaped plate (21), and two ends of the hollow rotating shaft (4) respectively penetrate through two ends of the U-shaped plate (21) and are rotatably connected with the U-shaped plate (21); two ends of the outer side surface of the reaction tank (1) are respectively and fixedly connected with a fixing block (25), and the top surface of the fixing block (25) is penetrated and is connected with an inserted rod (26) in a sliding manner; the bottom surface of the inner cavity of the U-shaped plate (21) is provided with a jack which is matched with the fixed block (25) in a sliding way.
5. The gas-solid reactor for preparing calcium carbonate using carbon dioxide as claimed in claim 4, wherein: drive assembly (42) include motor (421), motor (421) through the support with U-shaped plate (21) outer wall one end fixed connection, motor (421) output shaft with be provided with first pivot (422) between hollow rotating shaft (4) one end, first pivot (422) one end with motor (421) output fixed connection, first pivot (422) other end is inserted and is located the one end of hollow rotating shaft (4) and with hollow rotating shaft (4) sealed fixed connection.
6. The gas-solid reactor for preparing calcium carbonate using carbon dioxide as claimed in claim 1, wherein: retort (1) lateral wall rigid coupling and intercommunication have manometer (13), hollow rotating shaft (4) with retort (1) is through moving sealing ring (43) sealed rotation and connecting, one side of retort (1) is opened has disappointing hole (11), hole (11) inner wall fixed mounting loses heart valve (12).
7. The gas-solid reactor for preparing calcium carbonate by using carbon dioxide as claimed in claim 4, wherein: a rotary sealing joint (412) and a second one-way valve (411) are arranged between the conveying pipe (41) and the hollow rotating shaft (4), and one end of the second one-way valve (411) is fixedly connected and communicated with one end of the conveying pipe (41); one end of the rotary sealing joint (412) is fixedly connected and communicated with one end of the hollow rotating shaft (4); the rotary sealing joint (412) is detachably connected with the second one-way valve (411).
8. The gas-solid reactor for preparing calcium carbonate from carbon dioxide as claimed in claim 2, wherein: the air distribution holes (82) are strip-shaped holes along the bus direction of the hollow cylinder (81).
9. The gas-solid reactor for preparing calcium carbonate by using carbon dioxide as claimed in claim 2, wherein: the stirring rod (9) is arranged between the adjacent hollow cylinders (81), and the stirring blades of the stirring rod (9) are bent.
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