CN111204789A - Calcium carbonate carbonizing apparatus - Google Patents
Calcium carbonate carbonizing apparatus Download PDFInfo
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- CN111204789A CN111204789A CN201811394135.5A CN201811394135A CN111204789A CN 111204789 A CN111204789 A CN 111204789A CN 201811394135 A CN201811394135 A CN 201811394135A CN 111204789 A CN111204789 A CN 111204789A
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- tank body
- carbonization
- inlet pipe
- carbonization tank
- circulating pipeline
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model provides a calcium carbonate carbonizing apparatus, includes the carbonization jar body, carbonization jar body top is equipped with inlet pipe and gas outlet, and carbonization jar body bottom is equipped with the discharge tube, is equipped with the discharge valve on the discharge tube, the inlet pipe lower extreme be located the carbonization jar internally, the equipartition is equipped with a plurality of feed ports on the inlet pipe lower extreme lateral wall, the inlet pipe upper end is located the carbonization jar externally, the inlet pipe upper end is connected with circulating line one end, the circulating line other end sets up on the position that carbonization jar lateral wall is close to the lower extreme, the last circulating valve that is equipped with of circulating line, still be connected with the intake pipe on the inlet pipe lateral wall. Adopt above-mentioned structure, can effectively solve the problem among the background art, improve carbon dioxide's utilization ratio to after accomplishing, clear away the impurity that is stained with on the carbonization jar lateral wall, and in reaction process, realize jar body heat transfer, reduce the heat in the reaction process to a certain extent, provide more favorable condition for the reaction.
Description
Technical Field
The invention relates to the field of calcium carbonate production and processing equipment, in particular to a calcium carbonate carbonizing device.
Background
The nano calcium carbonate is also called as superfine calcium carbonate, the most mature industry of the nano calcium carbonate is that the plastic industry is mainly applied to high-grade plastic products, the rheological property of a plastic master batch can be improved, the formability of the plastic master batch is improved, the nano calcium carbonate used as a plastic filler has the functions of toughening and reinforcing, the bending strength and the bending elastic modulus of plastic are improved, the thermal deformation temperature and the dimensional stability are improved, and the plastic is endowed with heat stagnation property due to more advantages of the nano calcium carbonate.
The existing nano calcium carbonate carbonization reaction device has certain disadvantages when in use, reactants (carbon dioxide and calcium hydroxide solution) are directly discharged after reaction, the utilization rate of the carbon dioxide is low, and the carbonization effect is poor; meanwhile, after the carbonization tower is used for a period of time, an adhesive layer is formed on the wall of the tower, cleaning personnel are often required to clean the carbonization tower, the cleaning efficiency is low, and the internal environment is poor, so that the carbonization tower is not beneficial to the health of the cleaning personnel; in addition, the carbonization reaction belongs to an exothermic reaction, a large amount of heat is released in the reaction process, and the excessive heat has certain influence on the whole reaction.
Disclosure of Invention
The invention aims to provide a calcium carbonate carbonizing device which can effectively solve the problems in the background technology, improve the utilization rate of carbon dioxide, remove impurities attached to the side wall of a carbonizing tank after the carbonization, realize heat exchange of the tank body in the reaction process, reduce heat in the reaction process to a certain extent and provide more favorable conditions for the reaction.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a calcium carbonate carbonizing apparatus, includes the carbonization jar body, carbonization jar body top is equipped with inlet pipe and gas outlet, and carbonization jar body bottom is equipped with the discharge tube, is equipped with the discharge valve on the discharge tube, the inlet pipe lower extreme be located the carbonization jar internally, the equipartition is equipped with a plurality of feed ports on the inlet pipe lower extreme lateral wall, the inlet pipe upper end is located the carbonization jar externally, the inlet pipe upper end is connected with circulating line one end, the circulating line other end sets up on the position that carbonization jar lateral wall is close to the lower extreme, the last circulating valve that is equipped with of circulating line, still be connected with the intake pipe on the inlet pipe lateral wall.
In the preferred scheme, the carbonization tank body in be equipped with rabbling mechanism, rabbling mechanism includes that the contained angle setting is at a plurality of stirring boards on the pivot lateral wall to the pivot.
In a preferable scheme, the rotating shaft is arranged on one half height of the carbonization tank body.
In a preferable scheme, a plurality of through holes are formed in the stirring plate.
In the preferred scheme, the carbonization tank body is internally provided with a scraping mechanism, the top surface of the carbonization tank body is provided with a motor, a lifting rope is arranged on a motor rotating shaft, one end of the lifting rope is fixedly connected with the motor rotating shaft, and the other end of the lifting rope penetrates through the top surface of the carbonization tank body and is fixedly connected with the scraping mechanism.
In the preferred scheme, the number of the motors is two, and the two motors are symmetrically arranged on the top surface of the carbonization tank body.
In a preferred scheme, a water inlet pipe is further arranged on the circulating pipeline, and a water inlet valve is arranged on the water inlet pipe.
In the preferred scheme, the outer side wall of the carbonization tank body is provided with a heat exchange coil, and the heat exchange coil is spirally attached to the outer side wall of the carbonization tank body.
In the preferred scheme, the scraping mechanism comprises an annular plate, an annular scraper is arranged at the bottom of the annular plate, a lifting block is arranged at the top of the annular plate, and one end, far away from the motor, of the lifting rope is fixedly connected with the lifting block.
In the preferred scheme, the inner diameter of the annular scraper is the same as that of the carbonization tank body, and the annular scraper is tightly attached to the inner wall of the carbonization tank body.
The calcium carbonate powder recovery device provided by the invention has the following beneficial effects by adopting the structure:
(1) the stirring mechanism is used for driving the upper carbon dioxide gas in the tank body to be fully mixed with the solution part, so that the purpose of improving the utilization rate of the carbon dioxide is achieved;
(2) by adopting a circulating reaction mode, the full reaction among reactants can be further ensured, and the waste of the reactants caused by doping of incompletely reacted parts in the output material is avoided;
(3) the scraping mechanism can scrape attachments on the inner side wall of the tank body after the reaction is finished, so that the tank body cleaning process is easier;
(4) in the reaction process, the temperature of the reaction tank can be reduced to a great extent by the heat exchange medium continuously flowing in the heat exchange coil, the heat released by the reaction is absorbed, and more favorable conditions are provided for the subsequent reaction.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a half-section structure of the scraping mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the stirring mechanism of the present invention.
In the figure: the device comprises a carbonization tank body 1, a feeding pipe 2, an air inlet pipe 3, a feeding hole 4, a stirring mechanism 5, a rotating shaft 501, a stirring plate 502, a through hole 503, a circulating pump 6, a circulating pipeline 7, a circulating valve 701, a liquid inlet pipe 8, a liquid inlet valve 801, a water inlet pipe 9, a water inlet valve 901, a heat exchange coil pipe 10, a scraping mechanism 11, an annular plate 12, an annular scraper 13, a lifting block 14, a lifting rope 15, a motor 16, an air outlet 17, a discharging pipe 18 and a discharging valve 181.
Detailed Description
As shown in fig. 1-3, a calcium carbonate carbonizing apparatus includes a carbonizing tank 1, a feeding pipe 2 and a gas outlet 17 are arranged at the top of the carbonizing tank 1, a discharging pipe 18 is arranged at the bottom of the carbonizing tank 1, a discharging valve 181 is arranged on the discharging pipe 18, the lower end of the feeding pipe 2 is positioned in the carbonizing tank 1, a plurality of feeding holes 4 are uniformly distributed on the side wall of the lower end of the feeding pipe 2, the upper end of the feeding pipe 2 is positioned outside the carbonizing tank 1, the upper end of the feeding pipe 2 is connected with one end of a circulating pipeline 7, the other end of the circulating pipeline 7 is arranged at a position, close to the lower end, of the side wall of the carbonizing tank 1, a circulating valve 701 is arranged on the circulating pipeline 7, an air inlet pipe 3 is further connected to the.
In a preferable scheme, a stirring mechanism 5 is arranged in the carbonization tank body 1, and the stirring mechanism 5 comprises a rotating shaft 501 and a plurality of stirring plates 502 arranged on the side wall of the rotating shaft 501 at equal included angles.
In a preferred scheme, the rotating shaft 501 is arranged at the half height of the carbonization tank body 1.
In a preferred embodiment, the stirring plate 502 is provided with a plurality of through holes 503.
In the preferred scheme, a scraping mechanism 11 is arranged in the carbonization tank body 1, a motor 16 is arranged on the top surface of the carbonization tank body 1, a lifting rope 15 is arranged on a rotating shaft of the motor 16, one end of the lifting rope 15 is fixedly connected with the rotating shaft of the motor 16, and the other end of the lifting rope penetrates through the top surface of the carbonization tank body 1 and is fixedly connected with the scraping mechanism 11.
In a preferred scheme, two motors 16 are arranged, and the two motors 16 are symmetrically arranged on the top surface of the carbonization tank body 1.
In a preferred scheme, a water inlet pipe 9 is further arranged on the circulating pipeline 7, and a water inlet valve 901 is arranged on the water inlet pipe 9.
In the preferred scheme, the outer side wall of the carbonization tank body 1 is provided with a heat exchange coil 10, and the heat exchange coil 10 is spirally attached to the outer side wall of the carbonization tank body 1.
In a preferable scheme, the scraping mechanism 11 comprises an annular plate 12, an annular scraper 13 is arranged at the bottom of the annular plate 12, a lifting block 14 is arranged at the top of the annular plate 12, and one end of a lifting rope 15, which is far away from a motor 16, is fixedly connected with the lifting block 14.
In a preferable scheme, the inner diameter of the annular scraper 13 is the same as that of the carbonization tank body 1, and the annular scraper 13 is tightly attached to the inner wall of the carbonization tank body 1.
The specific working principle is as follows:
opening an air inlet pipe 3 and a liquid inlet pipe 8, enabling carbon dioxide gas and sodium hydroxide solution to enter a carbonization tank body 1 through a feed hole 4 after first-step mixing is achieved in a feed pipe, stopping adding solution raw materials when the liquid level in the tank body reaches half of the height of the tank body, then opening a stirring mechanism 5, accelerating the reaction speed, simultaneously opening a circulating pump 6, circulating the solution, achieving the mixing process of the solution and the gas in the feed pipe 2 for the second time, and after the reaction is completed, opening a discharge valve 181 and outputting a product;
in the reaction process, the heat exchange medium in the heat exchange coil 10 continuously flows to realize the absorption of the heat emitted by the reaction, thereby providing favorable conditions for the reaction;
after the reaction is finished, the motor 16 is started, the water inlet pipe 9 is opened, and the scraping mechanism 11 is matched with clean water to clean attachments on the side wall of the carbonization tank body 1, so that the aim of cleaning is fulfilled.
By adopting the structure, the upper-layer carbon dioxide gas in the tank body is driven to be fully mixed with the solution part by the stirring mechanism, so that the purpose of improving the utilization rate of the carbon dioxide is achieved; by adopting a circulating reaction mode, the full reaction among reactants can be further ensured, and the waste of the reactants caused by doping of incompletely reacted parts in the output material is avoided; the scraping mechanism can scrape attachments on the inner side wall of the tank body after the reaction is finished, so that the tank body cleaning process is easier; in the reaction process, the temperature of the reaction tank can be reduced to a great extent by the heat exchange medium continuously flowing in the heat exchange coil, the heat released by the reaction is absorbed, and more favorable conditions are provided for the subsequent reaction.
Claims (1)
1. The utility model provides a calcium carbonate carbonizing apparatus, is equipped with inlet pipe (2) and gas outlet (17) including the carbonization jar body (1), carbonization jar body (1) top, and carbonization jar body (1) bottom is equipped with discharge tube (18), is equipped with discharge valve (181) on discharge tube (18), characterized by: the carbonization tank comprises a carbonization tank body (1), a feeding pipe (2), a circulating pipeline (7), a plurality of feeding holes (4), a circulating valve (701), an air inlet pipe (3), a liquid inlet pipe (8), a liquid inlet valve (801), a stirring mechanism (5), a rotating shaft (501) and a plurality of stirring plates (502), wherein the lower end of the feeding pipe (2) is positioned in the carbonization tank body (1), the side wall of the lower end of the feeding pipe (2) is uniformly provided with the plurality of feeding holes (4), the upper end of the feeding pipe (2) is positioned outside the carbonization tank body (1), the upper end of the feeding pipe (2) is connected with one end of the circulating pipeline (7), the other end of the circulating pipeline (7) is arranged at a position, close to the lower end, of the side wall of the carbonization tank body (1), the circulating pipeline (7) is provided with the air inlet pipe (3), the circulating pipeline (7) is connected with the liquid inlet pipe (8), the liquid inlet valve (801) is arranged on A plurality of through holes (503) are formed in the carbonization tank body (1), a scraping mechanism (11) is arranged in the carbonization tank body (1), a motor (16) is arranged on the top surface of the carbonization tank body (1), a lifting rope (15) is arranged on a rotating shaft of the motor (16), one end of the lifting rope (15) is fixedly connected with the rotating shaft of the motor (16), the other end of the lifting rope penetrates through the top surface of the carbonization tank body (1) and is fixedly connected with the scraping mechanism (11), two motors (16) are arranged on the top surface of the carbonization tank body (1), a water inlet pipe (9) is further arranged on the circulating pipeline (7), a water inlet valve (901) is arranged on the water inlet pipe (9), a heat exchange coil (10) is arranged on the outer side wall of the carbonization tank body (1), the heat exchange coil (10) is spirally and tightly attached to the outer side wall of the carbonization tank body (1), the scraping mechanism (11) comprises an, the top of the annular plate (12) is provided with a lifting block (14), one end of a lifting rope (15) far away from the motor (16) is fixedly connected with the lifting block (14), the inner diameter of the annular scraper (13) is the same as that of the carbonization tank body (1), and the annular scraper (13) is arranged close to the inner wall of the carbonization tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394135.5A CN111204789A (en) | 2018-11-21 | 2018-11-21 | Calcium carbonate carbonizing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394135.5A CN111204789A (en) | 2018-11-21 | 2018-11-21 | Calcium carbonate carbonizing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN111204789A true CN111204789A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394135.5A Pending CN111204789A (en) | 2018-11-21 | 2018-11-21 | Calcium carbonate carbonizing apparatus |
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| CN (1) | CN111204789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705128A (en) * | 2020-12-08 | 2021-04-27 | 永丰县广丰化工有限公司 | Nanoscale calcium carbonate processing device |
| CN112762735A (en) * | 2021-01-13 | 2021-05-07 | 绍兴市上虞联丰压力容器有限公司 | Heat exchange system of heat exchanger and control method |
-
2018
- 2018-11-21 CN CN201811394135.5A patent/CN111204789A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705128A (en) * | 2020-12-08 | 2021-04-27 | 永丰县广丰化工有限公司 | Nanoscale calcium carbonate processing device |
| CN112762735A (en) * | 2021-01-13 | 2021-05-07 | 绍兴市上虞联丰压力容器有限公司 | Heat exchange system of heat exchanger and control method |
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Application publication date: 20200529 |
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| WD01 | Invention patent application deemed withdrawn after publication |