CN211612685U

CN211612685U - Air-filtering type calcium carbonate carbonization tank

Info

Publication number: CN211612685U
Application number: CN201922374644.8U
Authority: CN
Inventors: 王林虎
Original assignee: Jiande Xinwei Calcium Industry Co ltd
Current assignee: Jiande Xinwei Calcium Industry Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-02
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a gas-filtering type calcium carbonate carbonization tank, which comprises a tank body, wherein a motor is arranged above the tank body; a stirring piece connected with a motor is arranged in the tank body; an air cavity is arranged below the tank body, and air guide pipes arranged on the periphery of the inner side of the tank body are connected above the air cavity; the air cavity is sequentially connected with the water film dust collector and the dry bag type dust collector; the bottom of the dry bag type dust collector is provided with a carbon dioxide raw material inlet; the jar body top is equipped with the pan feeding pipe, jar body below is equipped with the discharging pipe. The utility model has the advantages of thereby effectively filter carbon dioxide gas and reduce product impurity content.

Description

Air-filtering type calcium carbonate carbonization tank

Technical Field

The utility model relates to a calcium carbonate processing field, especially a gas-filtering type calcium carbonate carbonization jar.

Background

In calcium carbonate processing, a carbonation tank is typically used to carbonize the milk of lime into a calcium carbonate solution. The conventional carbonization process is to introduce a large amount of carbon dioxide gas into a carbonization tank to react lime milk with carbon dioxide to produce a calcium carbonate solution.

The carbonizer currently used in plants is of the straight-through carbon dioxide gas type, which is generated when limestone is calcined. The carbon dioxide gas generated by calcination contains a large amount of dust and partial sulfide impurities, and the carbon dioxide gas generated by calcination is directly introduced into the carbonization tank for reaction only after primary cooling, so that the dust and the impurities in the carbon dioxide gas are not purified and then are introduced into the carbonization tank to pollute the calcium carbonate solution, the impurity content of the produced calcium carbonate solution is higher, and the working difficulty of subsequent purification of the calcium carbonate solution is increased. Therefore, the calcium carbonate carbonization tank used at present has the problem of high impurity content of products caused by direct carbon dioxide gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter type calcium carbonate carbonization jar. The utility model has the advantages of thereby can effectively filter carbon dioxide gas and reduce product impurity content.

The technical scheme of the utility model: a gas-filtering type calcium carbonate carbonization tank comprises a tank body, wherein a motor is arranged above the tank body; a stirring piece connected with a motor is arranged in the tank body; an air cavity is arranged below the tank body, and air guide pipes arranged on the periphery of the inner side of the tank body are connected above the air cavity; the air cavity is sequentially connected with the water film dust collector and the dry bag type dust collector; the bottom of the dry bag type dust collector is provided with a carbon dioxide raw material inlet; the jar body top is equipped with the pan feeding pipe, jar body below is equipped with the discharging pipe.

In the air filtering type calcium carbonate carbonization tank, air conveying pipes are respectively arranged between the air cavity and the water film dust collector and between the water film dust collector and the dry bag type dust collector; the gas transmission pipe is arranged at the upper end of the water film dust remover; one end of the gas pipe is arranged at the lower end of the water film dust collector, and the other end of the gas pipe is arranged at the upper end of the dry bag type dust collector; after the dry-method bag type dust collector 5 removes dust, the large-diameter dust particles are reduced to enter the subsequent water film dust removal treatment, so that the service cycle of purified water for water film dust removal is prolonged, and the effect of saving water can be achieved; the water film dust collector adopts backwater as much as possible, thereby reducing the use amount of purified water and further saving water.

In the air filtering type calcium carbonate carbonization tank, the joint of the air cavity and the air duct, and the joint of the water film dust collector and the air duct are respectively provided with a one-way valve.

In the air filtering type calcium carbonate carbonization tank, the air guide pipes are uniformly distributed on the side wall and the bottom of the inner part of the tank body; the air guide pipe is uniformly distributed with air holes; the gas guide pipes are uniformly distributed, so that carbon dioxide can be uniformly introduced into the limestone solution, the reaction can be fully and effectively carried out, and the utilization rate of the carbon dioxide is improved.

In the aforementioned air-filtering type calcium carbonate carbonization tank, the stirring member includes a rotating shaft connected to the motor and a plurality of stirring blades provided on the rotating shaft.

In the air-filtering type calcium carbonate carbonization tank, the discharge pipe is provided with the sealing valve

Compared with the prior art, the utility model discloses an add at the carbide tank bottom plate and establish the air cavity, carbon dioxide gas lets in the air cavity and intrinsic letting in the carbide tank and react after two purification filtration, has reduced dust and impurity content in the carbon dioxide gas by a wide margin. The dry bag type dust removal and the water film dust removal are carried out successively to filter out dust and gas impurities in the carbon dioxide gas, so that the pollution condition of the calcium carbonate solution in the carbonization tank by the impurities in the carbon dioxide gas is greatly reduced, and the quality of the calcium carbonate solution is relatively improved. After the impurity content of the calcium carbonate solution is reduced, the consumption of subsequent purification is relatively reduced. So the utility model has the advantage of effectively filtering the carbon dioxide gas to reduce the impurity content of the product. Through evenly distributed the air duct at jar internal side wall to thereby make carbon dioxide gas can be even abundant let in lime breast solution and carry out abundant reaction and improved carbon dioxide's utilization ratio. The further water film dust remover uses the backwater extracted from the centrifugal filter water, so that the utilization rate of the water is improved, and the waste of resources is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

the labels in the figures are: 1-tank body, 11-feeding pipe, 12-discharging pipe, 2-motor, 21-rotating shaft, 22-stirring blade, 3-air cavity, 31-air duct, 4-water film dust remover, 5-dry bag type dust remover, 61, 62, 63-one-way valve, 71-first air pipe, 72-second air pipe and 8-sealing valve.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A gas-filtering type calcium carbonate carbonization tank is shown in figure 1 and comprises a tank body 1, wherein a motor 2 is arranged above the tank body 1; a stirring piece connected with the motor 2 is arranged in the tank body 1; an air cavity 3 is arranged below the tank body 1, and air ducts 31 arranged around the inner side of the tank body 1 are connected above the air cavity 3; the air cavity 3 is sequentially connected with a water film dust collector 4 and a dry bag type dust collector 5; the bottom of the dry bag type dust collector 5 is provided with a carbon dioxide raw material inlet; a feeding pipe 11 is arranged above the tank body 1, and a discharging pipe 12 is arranged below the tank body 1.

A first gas pipe 71 and a second gas pipe 72 are respectively arranged between the air cavity 3 and the water film dust collector 4 and between the water film dust collector 4 and the dry bag type dust collector 5; the first gas conveying pipe 71 is arranged at the upper end of the water film dust collector 4; one end of the second gas pipe 72 is arranged at the lower end of the water film dust collector 4, and the other end is arranged at the upper end of the dry bag type dust collector 5.

The joint of the air cavity 3 and the air duct 31, the joint of the air cavity 3 and the first air duct 71 and the joint of the water dust scrubber 4 and the second air duct 72 are respectively provided with one-

way valves

61, 62 and 63.

The air ducts 31 are uniformly distributed on the side wall and the bottom of the interior of the tank body 1; the air duct 31 is uniformly distributed with air holes.

The stirring member includes a rotating shaft 21 connected to the motor 2 and a plurality of stirring blades 22 provided on the rotating shaft 21.

A sealing valve 8 is arranged on the discharge pipe 12.

The working principle is as follows: the utility model discloses as shown in fig. 1, carbon dioxide loops through dry process bag collector 5 and water film deduster 4 and carries out dry process dust removal and wet process dust removal, and the carbon dioxide gas after the filtration lets in air cavity 3. The carbon dioxide in the air cavity 3 is pressed into the air duct 31 through the one-way valve 61 and is introduced into the tank body 1 through the air holes on the air duct 31 to fully react with the lime milk. During the carbonization reaction, the motor 2 drives the stirring piece to stir the lime milk at the same time.

Claims

1. The utility model provides a gas filtration formula calcium carbonate carbonization jar which characterized in that: the device comprises a tank body (1), wherein a motor (2) is arranged above the tank body (1); a stirring piece connected with the motor (2) is arranged in the tank body (1); an air cavity (3) is arranged below the tank body (1), and air ducts (31) arranged around the inner side of the tank body (1) are connected above the air cavity (3); the air cavity (3) is sequentially connected with a water film dust collector (4) and a dry bag type dust collector (5); the bottom of the dry bag type dust collector (5) is provided with a carbon dioxide raw material inlet; the feed inlet pipe (11) is arranged above the tank body (1), and the discharge pipe (12) is arranged below the tank body (1).

2. The air-filtering type calcium carbonate carbonization tank as claimed in claim 1, wherein: a first air pipe (71) is arranged between the air cavity (3) and the water film dust collector (4), and a second air pipe (72) is arranged between the water film dust collector (4) and the dry bag type dust collector (5); the first gas conveying pipe (71) is arranged at the upper end of the water film dust collector (4); one end of the second gas transmission pipe (72) is arranged at the lower end of the water film dust collector (4), and the other end is arranged at the upper end of the dry bag type dust collector (5).

3. The air-filtering type calcium carbonate carbonization tank as claimed in claim 2, wherein: and one-way valves (61, 62 and 63) are respectively arranged at the joint of the air cavity (3) and the air duct (31), the joint of the air cavity (3) and the first air duct (71) and the joint of the water dust collector (4) and the second air duct (72).

4. The air-filtering type calcium carbonate carbonization tank as claimed in claim 1, wherein: the air guide pipes (31) are uniformly distributed on the side wall and the bottom of the inner part of the tank body (1); the air guide pipe (31) is uniformly distributed with air holes.

5. The air-filtering type calcium carbonate carbonization tank as claimed in claim 1, wherein: the stirring piece comprises a rotating shaft (21) connected with the motor (2) and a plurality of stirring blades (22) arranged on the rotating shaft (21).

6. The air-filtering type calcium carbonate carbonization tank as claimed in claim 1, wherein: the discharge pipe (12) is provided with a sealing valve (8).