CN217368400U - Carbonization kettle for producing nano calcium carbonate - Google Patents
Carbonization kettle for producing nano calcium carbonate Download PDFInfo
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- CN217368400U CN217368400U CN202221124368.5U CN202221124368U CN217368400U CN 217368400 U CN217368400 U CN 217368400U CN 202221124368 U CN202221124368 U CN 202221124368U CN 217368400 U CN217368400 U CN 217368400U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a carbonization kettle for producing nano calcium carbonate, which comprises a tank body, a shearing assembly, a guide cylinder and a bubble generation box, wherein the top of the tank body is provided with a feed inlet, and the bottom of the tank body is provided with a discharge outlet; the shearing assembly extends downwards into the tank body from the top of the tank body, and disturbance blades which extend upwards and outwards and are used for shearing bubbles are arranged on the periphery of the shearing assembly; the guide cylinder is arranged on the inner wall of the tank body, sleeved on the periphery of the disturbance blade and used for guiding the calcium hydroxide slurry above the guide cylinder to the lower part of the guide cylinder; the bubble generation box is arranged in the tank body and is located below the shearing assembly, a plurality of air outlets are formed in the top of the bubble generation box, and the bubble generation box is communicated with an air inlet pipe which extends to the outer side of the tank body and is used for supplying carbon dioxide to the bubble generation box. The utility model provides a carbonization cauldron is used in nanometer calcium carbonate production shears into the microbubble with the big bubble, has increased the area of contact of carbon dioxide with the calcium hydroxide thick liquid, has improved production efficiency and product quality.
Description
Technical Field
The utility model belongs to the technical field of equipment is used in the production of nanometer calcium carbonate, more specifically says, relates to a carbonization cauldron is used in production of nanometer calcium carbonate.
Background
The nano calcium carbonate is also called ultra-fine calcium carbonate, and is a novel ultra-fine solid powder material. The nano calcium carbonate is widely applied to the fields of plastics, rubber, printing ink, paint, sealing adhesive materials, coatings and the like.
The nanometer calcium carbonate reaction kettle adopts lime kiln flue gas (the content of carbon dioxide is 28-30%) as carbonized gas, calcium carbonate is generated through mixing reaction with calcium hydroxide slurry, and because bubbles generated when the lime kiln flue gas is introduced into the calcium hydroxide slurry in the production process are large, the contact area of the lime kiln flue gas and the calcium hydroxide slurry is reduced, the particle size of the generated calcium carbonate is large, and the production efficiency and the product quality are reduced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a carbonization cauldron is used in nanometer calcium carbonate production can increase the area of contact of calcium hydrate thick liquid and limekiln flue gas, improves production efficiency and product quality.
In order to achieve the purpose, the utility model adopts the technical proposal that: the carbonization kettle for producing the nano calcium carbonate comprises a tank body, a shearing assembly, a guide cylinder and a bubble generation box, wherein the top of the tank body is provided with a feeding hole, and the bottom of the tank body is provided with a discharging hole; the shearing assembly extends downwards into the tank body from the top of the tank body, and disturbance blades which extend upwards and outwards and are used for shearing bubbles are arranged on the periphery of the shearing assembly; the guide cylinder is arranged on the inner wall of the tank body, sleeved on the periphery of the disturbance blade and used for guiding the calcium hydroxide slurry above the guide cylinder to the lower part of the guide cylinder; the bubble generation box is arranged in the tank body and is located below the shearing assembly, a plurality of air outlets are formed in the top of the bubble generation box, and the bubble generation box is communicated with an air inlet pipe which extends to the outer side of the tank body and is used for supplying carbon dioxide to the interior of the bubble generation box.
In one possible implementation mode, the cutting assembly comprises a driving piece and a rotating shaft, the driving piece is arranged on the top wall of the tank body, and the driving end of the driving piece extends into the tank body; the rotating shaft is connected to the extending end of the driving piece and extends downwards to protrude out of the lower edge of the guide shell, and the disturbing vanes are connected to the periphery of the rotating shaft.
In some embodiments, the first blades are disposed on the outer periphery of the rotating shaft and are uniformly distributed around the outer periphery of the rotating shaft.
In some embodiments, the number of the disturbing blades is two along the axial direction of the rotating shaft, and the disturbing blades are respectively arranged on the upper side and the lower side of the first blade.
In some embodiments, the lower end of the rotating shaft is provided with a second blade.
In a possible implementation mode, the air inlet pipe horizontally penetrates through the bubble generation box, two ends of the air inlet pipe respectively extend to the outside of the tank body, an air supply branch pipe which is located in the bubble generation box and extends upwards is arranged on the peripheral wall of the air inlet pipe, a check valve is arranged on the air inlet pipe, and the check valve is located on the outer side of the tank body.
In some embodiments, the diameter of the air outlet is smaller than the inner diameter of the air supply branch pipe.
In some embodiments, both ends of the air inlet pipe are respectively bent upwards to protrude out of the top surface of the tank body.
In a possible implementation mode, a heat exchange tube is arranged between the inner wall of the tank body and the outer wall of the guide cylinder, and two sides of the heat exchange tube are respectively provided with an input port extending to the outer side of the tank body and used for inputting refrigerant media and an output port used for outputting refrigerant media.
In some embodiments, the heat exchange tubes are arranged in a serpentine pattern.
The utility model provides a nanometer calcium carbonate production lies in with carbonization cauldron's beneficial effect: compared with the prior art, the utility model provides a carbonization cauldron is used in nanometer calcium carbonate production pours the calcium hydrate thick liquid into at the feed inlet, then lets in carbon dioxide from the intake pipe, and carbon dioxide gets into the calcium hydrate thick liquid from the bubble emergence case, drives the shearing of disturbance blade to the carbon dioxide bubble through shearing the subassembly to and the stirring to the calcium hydrate thick liquid, make the carbon dioxide bubble diminish and fully react with the calcium hydrate thick liquid. The calcium hydroxide slurry in the guide shell forms vortex through the disturbance of the disturbance blade, so that the calcium hydroxide slurry above the guide shell is sucked into the guide shell, and is finally discharged from the lower part of the guide shell after being sheared and stirred by the disturbance blade, and the circulation is performed, so that the calcium hydroxide slurry and carbon dioxide are fully reacted, the generated calcium carbonate with large particle size can be crushed, and the calcium carbonate aggregation is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 inventive labor.
Fig. 1 is a schematic structural view of a partial cross-sectional front view of a carbonization kettle for producing nano calcium carbonate provided by an embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
100. a tank body; 110. a feed inlet; 120. a discharge port; 200. a shear assembly; 210. a drive member; 220. a rotating shaft; 221. disturbing the blades; 222. a first blade; 223. a second blade; 300. a draft tube; 400. a bubble generation box; 410. an air outlet; 500. an air inlet pipe; 510. a check valve; 520. an air supply branch pipe; 600. a heat exchange pipe; 610. an input port; 620. and (7) an output port.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to 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 are therefore not to be considered limiting of the invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a carbonization kettle for producing nano calcium carbonate according to the present invention will now be described. The carbonization kettle for producing the nano calcium carbonate comprises a tank body 100, a shearing assembly 200, a guide shell 300 and a bubble generation box 400, wherein the top of the tank body 100 is provided with a feeding hole 110, and the bottom of the tank body is provided with a discharging hole 120; the shearing assembly 200 extends downwards into the tank body 100 from the top of the tank body 100, and the periphery of the shearing assembly 200 is provided with a disturbance blade 221 which extends upwards and outwards and is used for shearing bubbles; the guide shell 300 is arranged on the inner wall of the tank body 100, is sleeved on the periphery of the disturbance blade 221, and is used for guiding the calcium hydroxide slurry above the guide shell 300 to the lower part of the guide shell 300; the bubble generation box 400 is arranged in the tank body 100 and located below the shearing assembly 200, the top of the bubble generation box 400 is provided with a plurality of air outlets 410, and the bubble generation box 400 is communicated with an air inlet pipe 500 which extends to the outer side of the tank body 100 and is used for supplying carbon dioxide into the bubble generation box 400.
It should be noted that a sealing cover for sealing the feed inlet 110 is disposed on the can body 100, and the sealing cover is in threaded connection with the can body 100.
The carbonization cauldron is used in nanometer calcium carbonate production that this embodiment provided, compare with prior art, the utility model provides a carbonization cauldron is used in nanometer calcium carbonate production pours the calcium hydroxide thick liquid into at feed inlet 110, then lets in carbon dioxide from intake pipe 500, and the carbon dioxide gets into the calcium hydroxide thick liquid from bubble emergence case 400, drives the shearing of disturbance blade 221 to the carbon dioxide bubble through shearing subassembly 200 to and the stirring to the calcium hydroxide thick liquid, make the carbon dioxide bubble diminish and fully react with the calcium hydroxide thick liquid. The calcium hydroxide slurry in the guide cylinder 300 forms vortex through the disturbance of the disturbance blade 221, so that the calcium hydroxide slurry above the guide cylinder 300 is sucked into the guide cylinder 300, is sheared and stirred by the disturbance blade 221, and finally is discharged from the lower part of the guide cylinder 300, and the circulation is performed, so that the calcium hydroxide slurry and carbon dioxide are fully reacted, the generated calcium carbonate with large particle size can be crushed, and the aggregation of the calcium carbonate is avoided.
In one possible implementation, the characteristic cutting assembly 200 is configured as shown in fig. 1, and referring to fig. 1, the characteristic cutting assembly 200 includes a driving member 210 and a rotating shaft 220, the driving member 210 is disposed on the top wall of the tank 100, and the driving end of the driving member 210 extends into the tank 100; the rotating shaft 220 is connected to the extending end of the driving member 210 and extends downward to protrude out of the lower edge of the guide cylinder 300, and the disturbing vanes 221 are connected to the outer circumference of the rotating shaft 220.
Specifically, the calcium hydroxide slurry is poured into the feed inlet 110, the carbon dioxide is conveyed into the calcium hydroxide slurry in the tank body 100 through the air inlet pipe 500 and the bubble generation box 400, and the driving member 210 drives the disturbance blade 221 through the rotating shaft 220 to not only stir the calcium hydroxide slurry and shear the carbon dioxide bubbles, but also break the calcium carbonate with large particle size into small particle size, thereby improving the product quality.
In some embodiments, the first blades 222 are disposed in the guide cylinder 300 at the periphery of the rotating shaft 220, and the first blades 222 are uniformly distributed around the periphery of the rotating shaft 220.
Specifically, the rotation of the first blade 222 shears carbon dioxide bubbles and generated calcium carbonate in the guide shell 300, then the carbon dioxide bubbles and the generated calcium carbonate are sheared and stirred by the first blade 222, and finally the calcium hydroxide slurry is discharged from the lower part of the guide shell 300, and the circulation is carried out, so that the calcium hydroxide slurry and the carbon dioxide are fully reacted.
In some embodiments, there are several disturbing vanes 221 around the outer circumference of the rotating shaft 220, and two groups of disturbing vanes 221 are provided along the axial direction of the rotating shaft 220 and are respectively located at the upper and lower sides of the first blade 222.
Specifically, the disturbing blade 221 generates a suction force on the calcium hydroxide slurry above the guide cylinder 300 under the driving of the rotating shaft 220, so as to form a vortex, and guide the calcium hydroxide slurry above the guide cylinder 300 to the lower part of the guide cylinder 300 through the guide cylinder 300, so that the calcium hydroxide slurry inside and outside the guide cylinder 300 circulates, and the disturbing blade 221 can also shear carbon dioxide bubbles and generated calcium carbonate.
The two sets of turbulence blades 221 can enhance the formation of the vortex and further shear the carbon dioxide bubbles and calcium carbonate, thereby ensuring the quality of the product.
In some embodiments, the lower end of the rotating shaft 220 is provided with a second blade 223.
Specifically, the second blade 223 serves to shear the carbon dioxide bubbles generated from the bubble generation tank 400 and to shear the generated calcium carbonate.
In one possible implementation manner, the characteristic air inlet pipe 500 is configured as shown in fig. 1, referring to fig. 1, the characteristic air inlet pipe 500 is horizontally disposed through the bubble generation tank 400, two ends of the air inlet pipe 500 respectively extend to the outside of the tank 100, an air supply branch pipe 520 which is located in the bubble generation tank 400 and extends upward is disposed on the outer peripheral wall of the air inlet pipe 500, a check valve 510 is disposed on the air inlet pipe 500, and the check valve 510 is located on the outside of the tank 100.
Specifically, the plurality of air supply branch pipes 520 are arranged at intervals, and the plurality of air outlets 410 are arranged at intervals, so that carbon dioxide can be uniformly supplied into the bubble generation box 400, the bubble generation box 400 is filled with the carbon dioxide, and then the carbon dioxide enters the tank body 100 from the air outlets 410 to be fully reacted with the calcium hydroxide slurry. The check valve 510 prevents the calcium hydroxide slurry in the tank 100 from being sucked back into the intake pipe 500.
By simultaneously feeding carbon dioxide into the tank 100 from both ports of the gas inlet pipe 500, sufficient carbon dioxide is provided for the calcium hydroxide slurry in the tank 100, and the reaction rate is increased.
In some embodiments, the diameter of the air outlet 410 is smaller than the inner diameter of the air feeding branch pipe 520.
Specifically, carbon dioxide bubbles come out from the gas supply branch pipe 520 and then pass through the gas outlet 410 to become small bubbles to enter the calcium hydroxide slurry in the tank 100, increasing the contact area between the carbon dioxide and the calcium hydroxide slurry.
In some embodiments, both ends of the air inlet pipe 500 are respectively bent upward to protrude from the top surface of the can 100.
Specifically, check valve 510 sets up on intake pipe 500, avoids in the calcium hydrate thick liquid suck-back intake pipe 500 to the both ends of intake pipe 500 are higher than the liquid level of the interior calcium hydrate thick liquid of jar body 100, avoid check valve 510 inefficacy to cause the condition that the calcium hydrate thick liquid suck-back.
In a possible implementation manner, the above-mentioned characteristic tank body 100 adopts the structure as shown in fig. 1, referring to fig. 1, a heat exchange tube 600 is arranged between the inner wall of the characteristic tank body 100 and the outer wall of the guide cylinder 300, and two sides of the heat exchange tube 600 are respectively provided with an input port 610 extending to the outer side of the tank body 100 for inputting refrigerant medium and an output port 620 for outputting refrigerant medium.
Specifically, the calcium hydroxide slurry reacts with carbon dioxide to generate a large amount of heat, and in order to prevent the generated heat from affecting the particle size of the produced calcium carbonate, a refrigerant is conveyed into the heat exchange tube 600 through the input port 610 to absorb the generated heat, and then the refrigerant absorbs the heat and is output from the output port 620.
In some embodiments, the heat exchange tubes 600 are arranged in a serpentine pattern.
Specifically, the heat exchange tube 600 having the serpentine structure increases a contact area with the calcium hydroxide slurry, facilitating sufficient heat absorption.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Carbonization cauldron is used in nanometer calcium carbonate production which characterized in that includes:
the top of the tank body is provided with a feed inlet, and the bottom of the tank body is provided with a discharge outlet;
the shearing assembly extends downwards from the top of the tank body into the tank body, and disturbance blades which extend upwards and outwards and are used for shearing bubbles are arranged on the periphery of the shearing assembly;
the guide cylinder is arranged on the inner wall of the tank body, sleeved on the periphery of the disturbance blade and used for guiding the calcium hydroxide slurry above the guide cylinder to the lower part of the guide cylinder;
the bubble generation box set up in the jar is internal, and be located the below of shearing the subassembly, the top of bubble generation box is equipped with a plurality of gas outlet, bubble generation box intercommunication has and extends to the outside of the jar body is in order to supply carbon dioxide extremely the intake pipe in the bubble generation box.
2. The carbonization kettle for producing nano calcium carbonate according to claim 1, wherein the shearing assembly comprises:
the driving part is arranged on the top wall of the tank body, and the driving end of the driving part extends into the tank body;
the rotating shaft is connected to the extending end of the driving piece and extends downwards to protrude out of the lower edge of the guide shell, and the disturbance blades are connected to the periphery of the rotating shaft.
3. The carbonization kettle for producing nano calcium carbonate according to claim 2, wherein the first blades are disposed in the guide shell around the rotating shaft, and the first blades are uniformly distributed around the rotating shaft.
4. The carbonization kettle for producing nano calcium carbonate according to claim 3, wherein the plurality of the disturbance blades are arranged around the periphery of the rotating shaft, and two groups of the disturbance blades are arranged along the axial direction of the rotating shaft and are respectively positioned at the upper side and the lower side of the first blade.
5. The carbonization kettle for producing nano calcium carbonate according to claim 2, wherein the lower end of the rotating shaft is provided with a second blade.
6. The carbonization kettle for producing nano calcium carbonate according to claim 1, wherein the air inlet pipe is horizontally disposed through the bubble generation tank, both ends of the air inlet pipe extend to the outside of the tank body, an air supply branch pipe which is located in the bubble generation tank and extends upward is disposed on the outer peripheral wall of the air inlet pipe, a check valve is disposed on the air inlet pipe, and the check valve is disposed on the outer side of the tank body.
7. The carbonization kettle for producing nano calcium carbonate according to claim 6, wherein the diameter of the gas outlet is smaller than the inner diameter of the gas supply branch pipe.
8. The carbonization kettle for producing nano calcium carbonate according to claim 6, wherein both ends of the gas inlet pipe are respectively bent upward to protrude from the top surface of the tank body.
9. The carbonization kettle for producing nano calcium carbonate according to claim 1, wherein a heat exchange tube is arranged between the inner wall of the tank body and the outer wall of the guide shell, and both sides of the heat exchange tube are respectively provided with an input port extending to the outer side of the tank body for inputting refrigerant medium and an output port for outputting refrigerant medium.
10. The carbonization kettle for producing nano calcium carbonate according to claim 9, wherein the heat exchange tubes are arranged in a serpentine shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221124368.5U CN217368400U (en) | 2022-05-10 | 2022-05-10 | Carbonization kettle for producing nano calcium carbonate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221124368.5U CN217368400U (en) | 2022-05-10 | 2022-05-10 | Carbonization kettle for producing nano calcium carbonate |
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| Publication Number | Publication Date |
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| CN217368400U true CN217368400U (en) | 2022-09-06 |
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| CN202221124368.5U Active CN217368400U (en) | 2022-05-10 | 2022-05-10 | Carbonization kettle for producing nano calcium carbonate |
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