CN210393756U

CN210393756U - Lime milk solution carbonators that carbonization efficiency is high

Info

Publication number: CN210393756U
Application number: CN201921115602.6U
Authority: CN
Inventors: 孙逄雪; 高永祥
Original assignee: Anxiang Jinmei Jinniu Chemical Co ltd
Current assignee: Anxiang Jinmei Jinniu Chemical Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-24
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a lime milk solution carbonators that carbonization efficiency is high, its characterized in that: the utility model provides a lime milk solution carbonators that carbonization efficiency is high includes the carbonator body, carbonator body top is provided with lime milk solution import, carbon dioxide air inlet, carbon dioxide recycle mouth, lime milk solution import is connected with the transfer pump delivery port through the connecting pipe, this internal one end of carbon dioxide air inlet carbonator is connected with the carbon dioxide outlet duct, the carbon dioxide outlet duct is connected with the carbon dioxide gas outlet, this external one end of carbon dioxide air inlet carbonator body is passed through the connecting pipe and is connected air pump gas outlet one end, carbon dioxide recycle mouth passes through the connecting pipe and connects air pump air inlet one end, air pump air inlet one end still is connected with the carbon dioxide intake pipe, the carbonat. The utility model discloses simple structure can effectively solve the carbonization tower contact time when carbonization lime breast solution not enough and lead to the reaction abundant inadequately, the not good condition of finished product quality.

Description

Lime milk solution carbonators that carbonization efficiency is high

Technical Field

The utility model relates to a carbonizing apparatus field, concretely relates to lime cream solution carbonators that carbonization efficiency is high.

Background

The currently used carbonization towers mainly include three types, i.e., stirring type carbonization towers, continuous spray carbonization towers and super-gravity synthesis carbonization towers. The stirring type carbonization tower is also called as a kettle type carbonization method, carbonization reaction is completed by controlling conditions such as reaction temperature, concentration, stirring speed, reaction time and the like under the condition of continuous stirring, the reaction is relatively uniform, and domestic manufacturers generally adopt the equipment at present, but the equipment has the defects of large energy consumption during stirring, complex operation, insufficient carbon dioxide absorption and long carbonization time; the product prepared by the continuous spray carbonization tower has fine and uniform granularity, the average grain diameter can reach 30 to 40 nanometers, and the crystal form of the particles can be adjusted and controlled, and the defects of the product are that the equipment investment is large, a spray head is easy to block, the technology is complex, the operation difficulty is large, the product is not suitable for production, and the industrial application and popularization are limited; the supergravity synthesis carbonization tower utilizes the gravity environment which is generated by rotation and is much larger than the gravity acceleration of the earth, effectively controls the carbonization reaction and the crystallization process on the molecular scale, and prepares the nano powder calcium carbonate with small granularity and uniform distribution. Therefore, the research of the carbonization tower with less investment, easy operation, quick and efficient reaction and low energy consumption has important significance.

Calcium carbonate is an inorganic compound commonly known as limestone, stone powder, marble, calcite, and is a compound having a chemical formula of CaCO3, which is neutral, substantially insoluble in water, and soluble in acid. It is a common substance on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, and is also a main component of animal bones or shells. Calcium carbonate is an important building material and has wide industrial application, and the calcium carbonate is mainly used in a plurality of fields such as plastics, rubber and the like in the prior art.

Light calcium carbonate: the production of light calcium carbonate from limestone includes the procedures of calcining, digesting, carbonizing, sorting, drying and pulverizing. Calcining raw limestone at 900-1100 ℃, adding generated calcium oxide into an ash dissolving tank, digesting with 3-5 times of water, filtering to remove impurities from the digested lime milk solution, placing the lime milk solution into a raw slurry storage tank, stirring and conveying the lime milk solution into a carbonization tower, compressing carbon dioxide gas, introducing the carbon dioxide gas from the bottom of the carbonization tower, introducing the carbon dioxide gas into the tower through a gas distributor, contacting with calcium hydroxide (lime milk solution) to perform carbonization reaction at the carbonization temperature of 60-70 ℃ and the carbonization pressure of about 0.08MPa, dehydrating, drying, cooling, crushing and sieving the carbonized calcium carbonate slurry to obtain a finished product.

The carbonization device in the prior art has the following problems in production: 1. the contact area of the carbon dioxide and the calcium hydroxide directly determines the carbonization reaction time (speed), the larger the contact area of the carbon dioxide and the calcium hydroxide is, the faster the reaction is, and therefore, the effective improvement of the contact area of the carbon dioxide and the calcium hydroxide is the key research direction for improving the reaction speed; 2. the carbonization uniformity problem is that the carbonization tower is industrialized, and the yield of each batch is large, so that the uniform contact of calcium hydroxide in the carbonization tower and carbon dioxide is an effective way for improving the carbonization uniformity, and the effective uniform distribution of calcium hydroxide or carbon dioxide in the carbonization tower is an important problem to be continuously solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the contact area of carbon dioxide and calcium hydroxide is not large enough and the carbonization is not uniform enough, the lime milk solution carbonization tower with high carbonization efficiency is provided.

The purpose is achieved by the following technical scheme:

the utility model provides a lime cream solution carbonators that carbonization efficiency is high which characterized in that: the utility model provides a lime milk solution carbonators that carbonization efficiency is high includes the carbonator body, carbonator body top is provided with lime milk solution import, the carbon dioxide air inlet, the carbon dioxide recycle mouth, lime milk solution import is connected with the transfer pump delivery port through the connecting pipe, this internal one end of carbon dioxide air inlet carbonator is connected with the carbon dioxide outlet duct, the carbon dioxide outlet duct is connected with the carbon dioxide gas outlet, carbon dioxide gas outlet carbonator body outer one end is passed through the connecting pipe and is connected air pump gas outlet one end, the carbon dioxide recycle mouth passes through the connecting pipe and connects air pump air inlet one end, air pump air inlet one end still is connected.

Further, the outside fixedly connected with motor in carbonization tower body top, the motor shaft is connected with the body of rod, body of rod fixedly connected with agitator, and the agitator is two oar formula agitators, and even equidistance is provided with three two oar formula agitators on the vertical direction body of rod.

Further, the carbon dioxide outlet pipe is fixedly connected to one side face inside the carbonization tower body through a fixing piece, and the carbon dioxide outlet pipe is connected with a plurality of horn-shaped carbon dioxide gas outlets with vertically downward gas outlets.

The working principle is as follows: lime milk solution flows into the carbonization tower body from a lime milk solution inlet under the action of a liquid delivery pump, carbon dioxide is sucked into a carbon dioxide outlet pipe from a carbon dioxide generating device through a carbon dioxide gas inlet by an air pump, then enters into the carbonization tower body from a plurality of carbon dioxide gas outlets at the bottom of the carbonization tower and contacts with the lime milk solution in the carbonization tower body, after a motor is opened, the motor drives a rod body to rotate, thereby driving a stirrer to stir the lime milk solution in the carbonization tower body, so that the carbon dioxide can uniformly and fully contact with the lime milk solution in the carbonization tower and then react, carbon dioxide which does not have the mechanical reaction passes through a carbon dioxide recycling port and is sucked into the carbon dioxide outlet pipe again by the air pump, enters into the carbonization tower body again through the carbon dioxide gas outlets and reacts with the lime milk solution therein again, after carbonization, the waste gas is discharged and collected through a discharge hole at the bottom of the carbonization tower body.

Has the advantages that: the carbon dioxide gas outlet is arranged at the bottom, so that the contact time of the carbon dioxide and the lime milk solution is increased, the gas outlet is in a horn shape, the blockage of the gas outlet is avoided, the plurality of air outlets are arranged to increase the contact area of the carbon dioxide and the lime milk solution, the three two-blade paddle type stirrers work simultaneously to ensure that the lime milk solution in the carbonization tower body can be uniformly contacted with the carbon dioxide, the carbon dioxide which does not react with the lime milk solution passes through the carbon dioxide recycling port and is sucked into the carbon dioxide outlet pipe again by the air pump, enters the carbonization tower body again through the carbon dioxide gas outlet and reacts with the lime milk solution in the carbonization tower body again, thereby avoiding resource waste, meanwhile, the greenhouse effect is further prevented from being worsened when the carbon dioxide is discharged into the atmosphere, and the carbon dioxide outlet pipe is fixed on the inner wall of the carbonization tower body through a fixing piece, so that the stability of the carbonization tower body is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic view of the structure of the middle fixing member of the present invention

The drawings illustrate the following: 101. a carbonator body; 201. a carbon dioxide inlet pipe; 202. a carbon dioxide gas outlet; 203. a lime milk solution inlet; 204. a carbon dioxide recycling port; 205. a discharge port; 211. a carbon dioxide outlet pipe; 301. a motor; 302. a rod body; 303. a stirrer; 303. a rod body; 311, an infusion pump; 312. an air pump; 401. and a fixing member.

Detailed Description

The utility model is further explained with the attached drawings of the specification;

the lime milk solution carbonating tower with high carbonating efficiency as shown in figure 1-figure 2 is characterized in that: a lime milk solution carbonization tower with high carbonization efficiency comprises a carbonization tower body 101, wherein the top of the carbonization tower body 101 is provided with a lime milk solution inlet 203, a carbon dioxide air inlet and a carbon dioxide recycling port 204, the lime milk solution inlet 203 is connected with the water outlet of an infusion pump 311 through a connecting pipe, one end in the carbonization tower body 101 at the carbon dioxide air inlet is connected with a carbon dioxide outlet pipe 211, the carbon dioxide outlet pipe 211 is connected with a carbon dioxide air outlet 202, one end outside the carbonization tower body 101 at the carbon dioxide air inlet is connected with one end of an air outlet of an air pump 312 through a connecting pipe, the carbon dioxide recycling port 204 is connected with one end of an air inlet of the air pump 312 through a connecting pipe, one end of the air inlet of the air pump 312 is also connected with a carbon dioxide, the body of rod 302 fixedly connected with agitator 303, agitator 303 are two oar formula agitators, and even equidistance is provided with three two oar formula agitators on the body of rod 302 of vertical direction, and carbon dioxide outlet pipe 211 passes through mounting 401 fixed connection on the inside side of carbonator body 101, and carbon dioxide outlet pipe 211 is connected with the perpendicular decurrent horn type carbon dioxide intake pipe 202 of a plurality of gas outlets.

The lime milk solution flows into the carbonization tower body 101 from the lime milk solution inlet 203 under the action of the infusion pump 311, carbon dioxide is sucked into the carbon dioxide outlet pipe 211 from the carbon dioxide generating device through the carbon dioxide air inlet by the air pump 312, then enters into the carbonization tower body 101 from the plurality of carbon dioxide inlet pipes 202 at the bottom of the carbonization tower, and contacts with the lime milk solution in the carbonization tower body 101, after the motor 301 is turned on, the motor 301 drives the rod body 302 to rotate, thereby driving the stirrer 303 to stir the lime milk solution in the carbonization tower body 101, so that the carbon dioxide can be uniformly and fully contacted with the lime milk solution in the carbonization tower, and then reacts, carbon dioxide which does not have the mechanical reaction passes through the carbon dioxide recycling port 204, is sucked into the carbon dioxide outlet pipe 211 again by the air pump 312, and enters into the carbonization tower body 101 again through the carbon dioxide inlet pipes 202, and reacting with the lime milk solution again, and discharging and collecting the lime milk solution after carbonization through a discharge hole 205 at the bottom of the carbonization tower body 101.

The foregoing shows and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a lime cream solution carbonators that carbonization efficiency is high which characterized in that: the utility model provides a lime milk solution carbonators that carbonization efficiency is high includes the carbonator body, carbonator body top is provided with lime milk solution import, carbon dioxide air inlet, carbon dioxide recycle mouth, lime milk solution import is connected with the transfer pump delivery port through the connecting pipe, this internal one end of carbon dioxide air inlet carbonator is connected with the carbon dioxide outlet duct, the carbon dioxide outlet duct is connected with the carbon dioxide gas outlet, this external one end of carbon dioxide air inlet carbonator body is passed through the connecting pipe and is connected air pump gas outlet one end, carbon dioxide recycle mouth passes through the connecting pipe and connects air pump air inlet one end, air pump air inlet one end still is connected with the carbon dioxide intake pipe, the carbonat.

2. The lime milk solution carbonator with high carbonation efficiency according to claim 1, wherein: the external fixedly connected with motor in carbonization tower body top, the motor shaft is connected with the body of rod, body of rod fixedly connected with agitator, the agitator is two oar formula agitators, the vertical direction even equidistance is provided with threely on the body of rod two oar formula agitators.

3. The lime milk solution carbonator with high carbonation efficiency according to claim 1, wherein: the carbon dioxide outlet pipe is fixedly connected to one side face in the carbonization tower body through a fixing part, and is connected with horn-shaped carbon dioxide gas outlets with a plurality of gas outlets facing vertically downwards.