CN219603264U - Sled dress formula nano calcium carbonate production facility - Google Patents

Sled dress formula nano calcium carbonate production facility Download PDF

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Publication number
CN219603264U
CN219603264U CN202321212741.7U CN202321212741U CN219603264U CN 219603264 U CN219603264 U CN 219603264U CN 202321212741 U CN202321212741 U CN 202321212741U CN 219603264 U CN219603264 U CN 219603264U
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China
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seed crystal
reaction kettle
carbonation reaction
calcium carbonate
inlet pipe
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Inventor
农红萍
荣权
蓝勇宗
陆增梦
马文卓
何艳敏
朱勇
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Guangxi Warner New Material Co ltd
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Guangxi Warner New Material Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

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Abstract

The utility model discloses skid-mounted nano calcium carbonate production equipment, which comprises a seed crystal preparation tank, a mixed liquid pipeline, a carbonation reaction kettle and a base, wherein the seed crystal preparation tank is connected with the carbonation reaction kettle; the carbonation reaction kettle is arranged on the base; the seed crystal preparation tank is arranged above the carbonation reaction kettle; the upper end of the mixed liquid pipeline is connected with the bottom of the seed crystal preparation tank, and the lower end of the mixed liquid pipeline stretches into the carbonation reaction kettle; a reactor bracket, a seed crystal reactor and CO are arranged in the seed crystal preparation tank 2 Air inlet pipe I, gas distributor I, ca (OH) 2 A slurry feeding pipe I; the reactor bracket is arranged at the inner bottom of the seed crystal preparation tank, and the seed crystal reactor is arranged on the reactor bracket; CO 2 Air inlet pipe I, ca (OH) 2 The slurry feeding pipe I is arranged in the seed crystal preparation tankOn the side wall, CO 2 The front end of the air inlet pipe I is provided with an air distributor I; ca (OH) 2 The front end of the slurry feeding pipe I is connected with the bottom of the seed crystal reactor. The method can be used for preparing the nano calcium carbonate for the automobile welding seam sealant, and the stability and the dispersibility of each batch of products are good.

Description

Sled dress formula nano calcium carbonate production facility
Technical Field
The utility model relates to the field of carbonating equipment, in particular to skid-mounted nano calcium carbonate production equipment.
Background
The sealing glue for automobile weld seam is one kind of high solid content plastisol sealing glue comprising polyvinyl chloride resin as main component, composite plasticizer and stuffing. Because it has functions of corrosion prevention, sealing, shock absorption, etc., it is usually applied to the coating of car, play a role in esthetic, waterproof, rainproof, dustproof; besides the conventional three-proofing requirement, the automobile welding seam adhesive has strict performance requirements, on one hand, the hardness, the cohesive force, the elongation, the shearing strength and the tensile strength of the sprayed coating are required to be good, and on the other hand, the automobile welding seam adhesive is required to have good dispersibility and proper viscosity. Meanwhile, the product is stable and the cost is low. The nano calcium carbonate can be widely applied to the automobile welding seam glue because the crystal form, the grain diameter and the surface modifier of the nano calcium carbonate can be regulated and controlled according to the type of the sealing glue.
In China, the development time of the calcium carbonate industry is short, the development and starting of the products are affected late, corresponding production equipment and process are deficient, the quality of the calcium carbonate is uneven, the stability and the dispersibility are poor, and the quality difference between the calcium carbonate and the like products in foreign countries is large; the application and popularization of the domestic nano calcium carbonate in the automobile welding seam glue are limited.
Chinese patent CN112723402a discloses a method for high-pressure saponification wet method activation of nano calcium carbonate, and the activation device applied in the method comprises a reaction kettle, a saponification stirring device, a saponification discharging pipe, an activation kettle, a spiral nozzle, an activation stirring device, an emulsifying machine, a circulating pipe, a steam heating device and the like, and can be used for surface modification of nano calcium carbonate, but cannot be used for preparation of nano calcium carbonate.
Chinese patent CN111013521a discloses a nano calcium carbonate pressurized carbonation and surface modification integrated reaction kettle and application, the reaction kettle can integrate calcium carbonate reaction and surface modification, slurry does not need to be pumped to other reaction kettles, unreacted calcium hydroxide suspension is effectively controlled to enter a surface modification system, and product quality is improved; the reaction kettle can be used for producing and surface modifying common nano calcium carbonate, and for special calcium carbonate, the reaction speed is high due to the adoption of a high-speed dispersing stirring mode, and the calcium carbonate crystallization process has defects and is not suitable for preparing the special nano calcium carbonate.
Chinese patent CN107973328A discloses a self-priming nano calcium carbonate carbonization reactor, which increases the residence time of bubbles in liquid phase by the cooperation of a guide cylinder and stirring paddles in various forms, effectively increases the gas-liquid mass transfer area of carbonation reaction, shortens the carbonation reaction time, and thus improves the carbon dioxide utilization rate; the equipment adopts hollow (mixing) shaft and turbine agitator, needs the agitator to play corresponding effect to liquid shearing action under high-speed rotation, and high-speed shearing can lead to the (mixing) shaft moment of torsion too big, and long-term use hollow (mixing) shaft can lead to fracture or eccentric, is unfavorable for the industrialization popularization.
Chinese patent CN109370261A discloses a method for preparing nano calcium carbonate for enhancing viscosity of PVC welding seam sealing adhesive, which adopts a reactor of patent CN204434303U, the reactor is provided with a plurality of annular temperature control coils around a reaction kettle stirrer, the bottom is provided with an annular gas distributor, the distributor is provided with a gas spray gun, a crushing rotary vane, a flow guiding grating plate and the like, the reaction kettle is used for preparing the nano calcium carbonate, and the reaction kettle is difficult to clean due to complex internal structure, large quality difference of different batches of products, and meanwhile, the gas spray gun adopted at the bottom has complex structure, has risk of difficult detection of blockage and is unfavorable for large-scale industrial production.
Chinese patent CN107699162a discloses a method for manufacturing a weld bead sealant, which uses calcium carbonate to fill the sealant, so as to play a role in reinforcement, but the patent does not examine the performance of the sealant from the angle of calcium carbonate.
In summary, the existing nano calcium carbonate for the automobile welding seam sealant has various defects, and the stability, the dispersibility and the like of each batch of products have certain defects, so that the performance requirements of sealant production enterprises cannot be well met, and the popularization of domestic calcium carbonate in the application of the automobile welding seam sealant is limited.
Disclosure of Invention
Aiming at the technical problems, the utility model provides skid-mounted nano calcium carbonate production equipment which can be used for preparing nano calcium carbonate for automobile welding seam sealant, and the prepared nano calcium carbonate product has better stability and dispersibility in each batch and can well meet the performance requirements of sealant production enterprises.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a skid-mounted nano calcium carbonate production device comprises a seed crystal preparation tank, a liquid mixing pipeline, a carbonation reaction kettle and a base; the carbonation reaction kettle is a gas stripping carbonation reaction kettle and is arranged on the base; the seed crystal preparation tank is arranged above the carbonation reaction kettle; the upper end of the liquid mixing pipeline is connected with the bottom of the seed crystal preparation tank, and the lower end of the liquid mixing pipeline stretches into the carbonation reaction kettle and extends to the bottom of the carbonation reaction kettle;
the seed crystal preparation tank is internally provided with a reactor bracket, a seed crystal reactor and CO 2 Air inlet pipe I, gas distributor I, ca (OH) 2 A slurry feeding pipe I; the reactor bracket is arranged at the bottom of the seed crystal preparation tank, and the seed crystal reactor is of an arc-shaped structure and is arranged on the reactor bracket; the CO 2 Air inlet pipe I, ca (OH) 2 Slurry feeding pipe I is arranged on the side wall of the seed crystal preparation tank from top to bottom at intervals, and the CO is formed by 2 The front end of the air inlet pipe I is provided with a gas distributor I, and the gas distributor I is positioned in the seed crystal reactor; said Ca (OH) 2 The front end of the slurry feeding pipe I is connected with the bottom of the seed crystal reactor.
Preferably, the seed crystal reactor is of an arc-shaped structure.
Preferably, the device also comprises a water inlet pipe I and a spiral nozzle I, wherein the water inlet pipe I is horizontally arranged at the upper part in the seed crystal preparation tank and is positioned above the seed crystal reactor, and a water inlet of the water inlet pipe I is positioned on the side wall of the seed crystal preparation tank; the spiral nozzles I are arranged on the water inlet pipe I at intervals.
Preferably, the reactor further comprises an ultrasonic homogenizer which is arranged on the side wall of the seed crystal preparation tank, and the working part of the ultrasonic homogenizer extends into the seed crystal reactor.
Preferably, the top of the seed crystal preparation tank is provided with a tail gas discharge port I and an observation port.
Preferably, ca (OH) is arranged on the liquid mixing pipeline 2 And a pipe type static mixer is arranged in the slurry feeding port.
Preferably, a honeycomb duct bracket, a honeycomb duct and CO are arranged in the carbonation reaction kettle 2 An air inlet pipe II and a gas distributor II; the honeycomb duct bracket is arranged on the inner wall of the carbonation reaction kettle, the honeycomb duct is vertically arranged in the middle part of the carbonation reaction kettle, and the outer wall of the honeycomb duct is fixedly connected with the honeycomb duct bracket; the CO 2 The air inlet pipe II passes through the guide pipe from top to bottom, the upper end of the air inlet pipe II passes through the top of the carbonation reaction kettle, and the lower end of the air inlet pipe II is provided with the gas distributor II.
Preferably, the carbonation reaction kettle also comprises a water inlet pipe II and a spiral nozzle II, wherein the water inlet pipe II is horizontally arranged at the upper part in the carbonation reaction kettle and is positioned above the diversion pipe, and a water inlet of the water inlet pipe II is positioned on the side wall of the carbonation reaction kettle; the spiral nozzles II are arranged on the water inlet pipe II at intervals.
Preferably, an ultrasonic liquid level meter interface and a manhole are arranged at the top of the carbonation reaction kettle.
Preferably, a pH sensor interface and a temperature sensor interface are arranged on the side wall of the bottom of the carbonation reaction kettle.
Preferably, the carbonation reaction kettle further comprises a slurry discharging pipe, one end of the slurry discharging pipe is connected with the bottom of the carbonation reaction kettle, the other end of the slurry discharging pipe penetrates through the base, and a slurry discharging valve is arranged on the slurry discharging pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model reasonably designs the skid-mounted equipment, has simple structure and convenient installation, simultaneously well solves the problems of stability and dispersibility of the nano calcium carbonate for the automobile welding seam sealant, is particularly suitable for industrial automatic control production, and has good economic and social benefits.
2. The utility model creatively combines the seed crystal preparation tank with the carbonation reaction kettle, solves the problems of high seed crystal preparation cost and complex equipment structure in single equipment reaction, and simultaneously, the calcium carbonate seed crystal can induce calcium hydroxide and carbon dioxide to crystallize by taking the seed crystal as crystal nucleus in the synthesis reaction process of nano calcium carbonate, thereby avoiding the problems of irregular crystal morphology and uneven particle size caused by independent nucleation in the synthesis process.
3. The utility model reasonably designs an arc seed crystal reactor, and the microporous disc aerator arranged in the reactor can be used for introducing CO 2 The mixed gas is dispersed into small bubbles, and the small bubbles are combined with Ca (OH) containing a crystal form control agent at low temperature under the action of ultrasonic waves 2 The slurry is more uniformly mixed, and the prepared calcium carbonate crystal has regular crystal form and small particle size.
4. The mixed liquid pipeline adopts Ca (OH) containing a stabilizer at high temperature 2 The slurry is mixed with low-temperature crystal seed-containing slurry, the solubility of calcium carbonate and calcium hydroxide can be reduced by increasing the temperature, the stability of the crystal form of the calcium carbonate is not affected, and the high temperature is helpful for the irregular movement of nano calcium carbonate crystal seed particles in the liquid, so that the crystal seeds are uniformly distributed in the slurry.
5. The utility model adopts the gas stripping type carbonation reaction kettle for synthesizing nano calcium carbonate, the reaction kettle adopts a mode of ventilating gas from the top gas inlet to the middle and lower part gas, the gas inlet is separated from the slurry discharging port, the problem of residual calcium carbonate seed crystal at the gas inlet is solved, and meanwhile, the gas distributing disc adopts the umbrella-shaped saw tooth gas distributing disc, so that the cutting of bubbles can be reduced, the gas-liquid contact surface is improved, and the CO is further improved 2 Utilization rate; the stripping reactor reduces slurry disturbance to enable Ca (OH) at high temperature 2 Slurry and CO 2 Low speed reaction at lower solubility; in the nano carbonCrystallizing under the induction of calcium acid crystal seed to form large-particle nano calcium carbonate with regular and uniform particle size of 80-200 nm.
6. The calcium carbonate prepared by the equipment of the utility model has large particles, and is filled into the automobile welding seam sealant, the better the fluidity is, the more uniform and regular the particles of the calcium carbonate are, and the better the dispersibility in the system is.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure, each serial number and name are as follows:
1-a seed crystal preparation tank; 2-a liquid mixing pipeline; 3-carbonating the reaction kettle; 4-a base;
111-an ultrasonic homogenizer; 112-CO 2 An air inlet pipe I; 113-gas distributor I; 114-Ca (OH) 2 A slurry feeding pipe I; 115-reactor rack; 116-seed reactor;
121-an exhaust outlet I; 122-viewing port; 123-a water inlet pipe I; 124-spiral nozzle I;
21-Ca(OH) 2 a slurry feed port; 22-tube static mixer;
311-a flow guide pipe; 312-a draft tube holder; 313-CO 2 An air inlet pipe II; 314-gas distributor II;
321-an ultrasonic level gauge interface; 322-manhole; 323-a water inlet pipe II; 324-spiral nozzle II; 325-pH sensor interface; 326—a temperature sensor interface; 327-slurry discharge pipe.
Detailed Description
One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment. It should be understood that the directions "up", "down", "left" and "right" in the following embodiments of the present utility model are all referenced to the positions corresponding to the drawings. These directional terms are used for convenience of description only and do not represent any limitation on the specific technical solution of the present utility model. Unless otherwise indicated, like reference numerals in the figures refer to like structures.
Example 1
As shown in figure 1, the skid-mounted nano calcium carbonate production equipment comprises a seed crystal preparation tank 1, a mixed liquid pipeline 2, a carbonation reaction kettle 3 and a base 4; the carbonation reaction kettle 3 is a gas stripping carbonation reaction kettle and is arranged on the base 4; the seed crystal preparation tank 1 is arranged above the carbonation reaction kettle 3; the upper end of the liquid mixing pipeline 2 is connected with the bottom of the seed crystal preparation tank 1, and the lower end of the liquid mixing pipeline extends into the carbonation reaction kettle 3 and extends to the bottom of the carbonation reaction kettle 3;
the seed crystal preparation tank 1 is internally provided with a reactor bracket 115, a seed crystal reactor 116 and CO 2 Air inlet pipe I112, air distributor I113 and Ca (OH) 2 Slurry feed pipe I114; the reactor bracket 115 is arranged at the inner bottom of the seed crystal preparation tank 1, the seed crystal reactor 116 is of an arc-shaped structure and is arranged on the reactor bracket 115; the CO 2 Air inlet pipe I112, ca (OH) 2 Slurry feeding pipe I114 is arranged on the side wall of the seed crystal preparation tank 1 from top to bottom at intervals, and the CO is 2 The front end of the air inlet pipe I112 is provided with a gas distributor I113, and the gas distributor I113 is positioned in the seed crystal reactor 116; said Ca (OH) 2 The front end of the slurry feed pipe I114 is connected to the bottom of the seed reactor 116.
The device also comprises a water inlet pipe I123 and a spiral nozzle I124, wherein the water inlet pipe I123 is horizontally arranged at the upper part in the seed crystal preparation tank 1 and is positioned above the seed crystal reactor 116, and a water inlet of the water inlet pipe I123 is positioned on the side wall of the seed crystal preparation tank 1; the spiral nozzle I124 is arranged on the water inlet pipe I123 at intervals.
And an ultrasonic homogenizer 111, wherein the ultrasonic homogenizer 111 is arranged on the side wall of the seed crystal preparation tank 1, and the working part of the ultrasonic homogenizer extends into the seed crystal reactor 116.
The top of the seed crystal preparation tank 1 is provided with a tail gas discharge port I121 and an observation port 122.
Ca (OH) is arranged on the liquid mixing pipeline 2 2 The slurry feed port 21 is provided with a tubular static mixer 22 inside.
The carbonation reaction kettle 3 is internally provided with a honeycomb duct bracket 312, a honeycomb duct 311 and CO 2 An intake pipe II 313 and a gas distributor II 314; the draft tube holder 312 is disposed at the carbonation stageThe guide pipe 311 is vertically arranged at the inner middle part of the carbonation reaction kettle 3 on the inner wall of the reaction kettle 3, and the outer wall of the reaction kettle is fixedly connected with the guide pipe bracket 312; the CO 2 The air inlet pipe II 313 passes through the guide pipe 311 from top to bottom, the upper end of the air inlet pipe II passes through the top of the carbonation reaction kettle 3, and the lower end of the air inlet pipe II is provided with the air distributor II 314.
The device also comprises a water inlet pipe II 323 and a spiral nozzle II 324, wherein the water inlet pipe II 323 is horizontally arranged at the upper part in the carbonation reaction kettle 3 and is positioned above the guide pipe 311, and a water inlet of the water inlet pipe II 323 is positioned on the side wall of the carbonation reaction kettle 3; the spiral nozzles II 324 are arranged on the water inlet pipe II 323 at intervals.
An ultrasonic liquid level meter interface 321 and a manhole 322 are arranged at the top of the carbonation reaction kettle 3.
The side wall of the bottom of the carbonation reaction kettle 3 is provided with a pH sensor interface 325 and a temperature sensor interface 326.
The device also comprises a slurry discharging pipe 327, one end of the slurry discharging pipe 327 is connected with the bottom of the carbonation reaction kettle 3, the other end of the slurry discharging pipe 327 passes through the base 1, and a slurry discharging valve is arranged on the slurry discharging pipe 327.
The working process of the utility model is as follows:
step one: ca (OH) 2 Slurry from Ca (OH) 2 Slurry feed inlet pipe I114 opens into seed reactor 116; at the same time, the ultrasonic homogenizer 111 is turned on and the ultrasonic homogenizer is turned on from CO 2 Air inlet pipe I112 is filled with CO 2 Under the action of the gas distributor I113 and ultrasonic wave, CO 2 With Ca (OH) 2 Reacting the slurry to prepare nano calcium carbonate seed crystal; when the mixed slurry reaches the upper edge of the seed reactor 116, it overflows to the bottom of the seed preparation tank 1 and enters the mixing pipe 2 through a discharge port in the bottom of the seed preparation tank 1.
Step two: when the nano calcium carbonate seed crystal overflows to the mixed liquid pipeline 2, ca (OH) is started 2 A slurry inlet 21 for introducing Ca (OH) into the mixing pipe 2 2 Slurry, ca (OH) 2 The slurry is mixed with nano calcium carbonate seed crystals under the action of a pipeline mixer 22, so that the nano calcium carbonate seed crystals are uniformly distributed in Ca (OH) 2 And the slurry is in the slurry and enters the bottom of the gas stripping carbonation reaction kettle 3.
Step three: the liquid level of the mixed slurry continuously rises, when the mixed slurry reaches the top of the middle guide pipe 311 of the gas stripping type carbonation reaction kettle 3, the feeding is stopped, and the CO is started 2 An air inlet valve of an air inlet pipe II 313 introduces CO into the carbonation reaction kettle 3 2 When the pH of the slurry=7.2, the reaction is stopped, and the nano calcium carbonate slurry is prepared.
Step four: and (3) carrying out surface modification, drying, crushing and packaging on the nano calcium carbonate slurry obtained in the step (III) to obtain the nano calcium carbonate product for the automobile welding seam glue.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (10)

1. The utility model provides a sled dress formula nano calcium carbonate production facility which characterized in that: comprises a seed crystal preparation tank (1), a mixed liquid pipeline (2), a carbonation reaction kettle (3) and a base (4); the carbonation reaction kettle (3) is a gas stripping carbonation reaction kettle and is arranged on the base (4); the seed crystal preparation tank (1) is arranged above the carbonation reaction kettle (3); the upper end of the liquid mixing pipeline (2) is connected with the bottom of the seed crystal preparation tank (1), and the lower end of the liquid mixing pipeline stretches into the carbonation reaction kettle (3) and extends to the bottom of the carbonation reaction kettle (3);
a reactor bracket (115), a seed crystal reactor (116) and CO are arranged in the seed crystal preparation tank (1) 2 Air inlet pipe I (112), gas distributor I (113), ca (OH) 2 Slurry feed pipe I (114); the reactor bracket (115) is arranged at the inner bottom of the seed crystal preparation tank (1), the seed crystal reactor (116) is of an arc-shaped structure and is arranged on the reactor bracket (115); the CO 2 Inlet I (112), ca (OH) 2 Slurry feeding pipes I (114) are arranged on the side wall of the seed crystal preparation tank (1) from top to bottom at intervals, and the CO 2 The front end of the air inlet pipe I (112) is provided with a gas distributor I (113), and the gas distributor I (113) is positionedA seed reactor (116); said Ca (OH) 2 The front end of the slurry feeding pipe I (114) is connected with the bottom of the seed crystal reactor (116).
2. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: the device also comprises a water inlet pipe I (123) and a spiral nozzle I (124), wherein the water inlet pipe I (123) is horizontally arranged at the inner upper part of the seed crystal preparation tank (1) and is positioned above the seed crystal reactor (116), and a water inlet of the water inlet pipe I (123) is positioned on the side wall of the seed crystal preparation tank (1); the spiral nozzles I (124) are arranged on the water inlet pipe I (123) at intervals.
3. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: the device also comprises an ultrasonic homogenizer (111), wherein the ultrasonic homogenizer (111) is arranged on the side wall of the seed crystal preparation tank (1), and the working part of the ultrasonic homogenizer extends into the seed crystal reactor (116).
4. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: the top of the seed crystal preparation tank (1) is provided with a tail gas discharge port I (121) and an observation port (122).
5. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: ca (OH) is arranged on the liquid mixing pipeline (2) 2 And a slurry feed port (21) inside which a tubular static mixer (22) is arranged.
6. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: a draft tube bracket (312), a draft tube (311) and CO are arranged in the carbonation reaction kettle (3) 2 An air inlet pipe II (313) and a gas distributor II (314); the draft tube support (312) is arranged on the inner wall of the carbonation reaction kettle (3), the draft tube (311) is vertically arranged in the middle part of the carbonation reaction kettle (3), and the outer wall of the draft tube is fixedly connected with the draft tube support (312); the CO 2 The air inlet pipe II (313) passes through the guide pipe (311) from top to bottom, the upper end of the air inlet pipe II passes through the top of the carbonation reaction kettle (3), and the lower end of the air inlet pipe II is provided with a gas componentA cloth II (314).
7. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: the device also comprises a water inlet pipe II (323) and a spiral nozzle II (324), wherein the water inlet pipe II (323) is horizontally arranged at the inner upper part of the carbonation reaction kettle (3) and is positioned above the guide pipe (311), and a water inlet of the water inlet pipe II (323) is positioned on the side wall of the carbonation reaction kettle (3); the spiral nozzles II (324) are arranged on the water inlet pipe II (323) at intervals.
8. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: an ultrasonic liquid level meter interface (321) and a manhole (322) are arranged at the top of the carbonation reaction kettle (3).
9. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: and a pH sensor interface (325) and a temperature sensor interface (326) are arranged on the side wall of the bottom of the carbonation reaction kettle (3).
10. The skid-mounted nano calcium carbonate production equipment according to claim 1, wherein: the device also comprises a slurry discharging pipe (327), one end of the slurry discharging pipe (327) is connected with the bottom of the carbonation reaction kettle (3), the other end of the slurry discharging pipe passes through the base (4), and a slurry discharging valve is arranged on the slurry discharging pipe (327).
CN202321212741.7U 2023-05-19 2023-05-19 Sled dress formula nano calcium carbonate production facility Active CN219603264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321212741.7U CN219603264U (en) 2023-05-19 2023-05-19 Sled dress formula nano calcium carbonate production facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321212741.7U CN219603264U (en) 2023-05-19 2023-05-19 Sled dress formula nano calcium carbonate production facility

Publications (1)

Publication Number Publication Date
CN219603264U true CN219603264U (en) 2023-08-29

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ID=87757721

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Application Number Title Priority Date Filing Date
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