CN111841473A - Energy-saving built-in oil heating type stirring reaction kettle for producing fine-particle boehmite - Google Patents
Energy-saving built-in oil heating type stirring reaction kettle for producing fine-particle boehmite Download PDFInfo
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- CN111841473A CN111841473A CN202010728086.5A CN202010728086A CN111841473A CN 111841473 A CN111841473 A CN 111841473A CN 202010728086 A CN202010728086 A CN 202010728086A CN 111841473 A CN111841473 A CN 111841473A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
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Abstract
The invention belongs to the field of reaction kettles, and particularly relates to an energy-saving internal oil heating type stirring reaction kettle for producing fine-particle boehmite. This reation kettle has improved the heat energy conversion rate, and the material heating is even quick, reduces energy loss, is difficult for the granule to form, guarantees to produce boehmite fine grit, low cost, improves boehmite product quality.
Description
Technical Field
The invention belongs to the field of reaction kettles, and particularly relates to an energy-saving internal oil heating type stirring reaction kettle for producing fine-particle boehmite.
Background
Boehmite is also called boehmite and is white powder in appearance, and is widely applied to the fields of ceramic materials, composite materials, surface protection layer materials, optical materials, catalysts, carrier materials, semiconductor materials, coatings and the like by virtue of unique chemical, optical and mechanical properties. The uniform and stable dispersion is one of the important conditions for boehmite to exert the excellent performance of the nano material; boehmite prepared by a sol-gel method has the characteristics of small particle size, large specific surface area and large pore volume, but is seriously agglomerated in the post-treatment process. In order to increase the temperature of the material and maintain it at a constant temperature for a long time, it is necessary to raise the temperature of the liquid material by passing it through an oil bath. In the prior art, a water-containing liquid material is heated from a peripheral interlayer oil bath of a reaction kettle by using an interlayer electric heating enamel reaction kettle for boehmite production, an anchor type stirrer is added at the top of the reaction kettle for stirring, but the temperature of the material rises, the material is not uniformly heated, the required temperature needs to be kept after the temperature reaches the temperature, the heating period is long, the heat energy utilization rate is low, and the fine granularity of the material cannot be ensured.
Disclosure of Invention
Aiming at the situation, the invention provides an energy-saving built-in oil heating type stirring reaction kettle for producing fine-particle boehmite, which aims to solve the technical problems of the existing reaction kettle for producing boehmite.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy-saving internal oil heating type stirring reaction kettle for producing fine granular boehmite comprises a kettle body, wherein the top of the kettle body is a detachable top cover, a support for supporting the kettle body is fixedly connected to the periphery of the middle part of the kettle body, a water inlet, a feed inlet, a sight glass port, a temperature measuring port, a pressure measuring port, a liquid level measuring port and a stirrer port are arranged on the top cover, the stirrer port is positioned in the center of the top cover and is provided with a turbine stirrer in a matched mode, the turbine stirrer extends to the bottom of the kettle body, a liquid level meter is arranged on the liquid level measuring port in a matched mode, a pressure gauge is arranged on the pressure measuring port in a matched mode, a thermometer is arranged on the temperature measuring port in a matched mode, a sight glass is arranged on the sight glass port in a matched mode, a liquid outlet is fixedly connected to the center of the bottom of the kettle body, a, the other side is provided with an oil temperature measuring port, an oil temperature meter is installed on the oil temperature measuring port in a matched mode, an electric heating port is further formed in the side wall of the heating chamber, an electric heater used for heating heat-conducting oil is installed on the electric heating port in a matched mode, and the outer ends of an oil inlet, an air outlet, an oil discharging port, the oil temperature measuring port and the electric heating port of the heating chamber extend out of the side wall of the tank body.
Furthermore, the top cover and the bottom of the tank body are both convex hemispheric, and the top cover is tightly connected with the tank body through a flange disc by using bolts. The top cap can be dismantled and take off, the maintenance of the internal part of jar of being convenient for.
Furthermore, convex flanges are arranged at the ends of the water inlet, the feed inlet, the sight glass port, the temperature measuring port, the pressure measuring port, the liquid level measuring port, the stirrer port, the oil discharging port, the oil temperature measuring port and the electric heating port, which extend out of the side wall of the tank body in a matching manner. The reaction kettle is connected with each peripheral pipeline through flanges, the sealing performance is good, and the disassembly and the assembly are convenient.
Furthermore, the heating chamber is a cylindrical heat-conducting oil annular cavity, the periphery of the heating chamber is a material heat exchange area, the heating chamber is suspended and erected in the middle of the tank body through an oil inlet, an air outlet, an oil temperature measuring port and two electric heating ports which are fixedly connected with the side wall of the heating chamber, and the number of the electric heating ports is two. According to production needs, two electric heaters can be selected to be used simultaneously, the heating rate is improved, one electric heater can be selected to be used for standby, and production interruption and shutdown caused by the fault of one electric heater are avoided.
Furthermore, a stirring motor of the turbine stirrer is fixedly installed on a stirrer opening, a rotating shaft of the stirring motor is connected with a stirring shaft through a coupling, the lower end of the stirring shaft is detachably and fixedly connected with a shaft sleeve through a jackscrew, tile-shaped inclined stirring blades are fixedly connected to the outer side of the shaft sleeve in a radiation mode, and the stirring blades are located below the annular heating chamber. Compared with other stirring modes such as an anchor stirrer and the like, the turbine stirrer has better stirring efficiency and effect, effectively prevents the formation of coarse boehmite generated by reaction, and is further favorable for the production of boehmite with finer granularity.
The mode of heating by adopting the immersed built-in spacer oil bath of the reaction kettle combines the turbine stirring to stir the vertical and horizontal turnover of the material, thereby greatly improving the high-efficiency and uniform conduction of heat energy between the heat-conducting oil and the material and improving the heating efficiency of the device and the effective utilization rate of energy.
Furthermore, the sight glass adopts a sight glass with a lamp and is fixedly connected through a flange. The sight glass with the lighting function is more convenient for people to observe the operation condition in the reaction kettle at any time through the sight glass window.
Further, the feed inlet is used for feeding reaction raw material aluminum hydroxide, and the water inlet is used for feeding reaction raw material tap water. Aluminum hydroxide and water as production raw materials are fully reacted in a reaction kettle under the specific conditions of high temperature and high pressure to generate a high-quality boehmite product with extremely fine particles.
The present invention also includes other components that enable its normal use, all by conventional means in the art, and in addition, non-limiting devices or components of the present invention, such as: a liquid level meter, a pressure gauge, a thermometer, an oil temperature meter, an electric heater and the like of the reaction kettle are all arranged conventionally in the field.
The invention has the following beneficial effects:
this fine particle boehmite production is with built-in oil of energy-saving adds hot type stirring reation kettle, guaranteed the higher conversion rate of conduction oil heat energy among the reation kettle to accelerate the programming rate of the interior liquid material of reation kettle, further reduce energy loss, can keep steady temperature for a long time, reduce thermal loss. The turbine agitator makes the material upset stirring more even, is favorable to the even heating of material more, is favorable to reducing energy consumption, is difficult for the granule to form to guarantee the finer granularity of the boehmite of producing, improve the product quality of boehmite.
Drawings
FIG. 1 is a schematic structural view of a reaction vessel in the example.
Fig. 2 is a schematic top view of the structure of fig. 1.
FIG. 3 is a schematic structural diagram of a turbine agitator in an embodiment.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.
Examples
As shown in figures 1-3, an energy-saving internal oil heating type stirring reaction kettle for producing fine granular boehmite comprises a kettle body 1, a detachable top cover 2 is arranged at the top of the kettle body, four supports 3 for supporting the kettle body are uniformly and symmetrically fixedly connected to the periphery of the middle part of the kettle body, a water inlet 4, a feed inlet 5, a sight glass port 6, a temperature measuring port 7, a pressure measuring port 8, a liquid level measuring port 9 and a stirrer port 10 are distributed on the top cover, the stirrer port is positioned at the central position of the top cover and is provided with a turbine stirrer 11 in a matching way, the turbine stirrer extends to the bottom of the kettle body, a liquid level meter is arranged on the liquid level measuring port in a matching way, a pressure gauge is arranged on the pressure measuring port in a matching way, a thermometer is arranged on the temperature measuring port in a matching way, a sight glass is arranged on the sight glass port in a matching way, a liquid, an oil inlet 14 is formed in one side of the upper end of the heating chamber, an air outlet 15 is formed in the other side of the upper end of the heating chamber, an oil discharge port 16 is formed in one side of the lower end of the heating chamber, an oil temperature measuring port 17 is formed in the other side of the lower end of the heating chamber, an oil temperature meter is installed on the oil temperature measuring port in a matched mode, two electric heating ports 18 are further formed in the side wall of the heating chamber, two electric heaters used for heating heat conducting oil are installed on the electric heating ports in a matched mode, and the outer ends of pipelines of the oil inlet.
The top cover and the bottom of the tank body are both convex surfaces and hemispherical, and the top cover is tightly connected with the tank body through a flange plate and bolts. The top cap can be dismantled and take off, the maintenance of the internal part of jar of being convenient for.
And convex flanges are welded at the ends of the water inlet, the feed inlet, the viewing mirror port, the temperature measuring port, the pressure measuring port, the liquid level measuring port, the stirrer port, the oil discharge port, the oil temperature measuring port and the electric heating port extending out of the tank in a seamless mode.
The heating chamber is a cylindrical heat-conducting oil annular cavity, the periphery of the heating chamber is a material heat exchange area, and the heating chamber is suspended and erected in the middle of the tank body through an oil inlet, an air outlet, an oil temperature measuring port and an electric heating port pipeline which are fixedly connected with the side wall of the heating chamber.
The turbine stirrer is characterized in that a stirring motor of the turbine stirrer is fixedly installed on a stirrer opening, a rotating shaft of a stirring motor 19 is connected with a stirring shaft 20 through a coupler, the lower end of the stirring shaft is detachably and fixedly connected with a shaft sleeve 21 through a jackscrew, six tile-shaped inclined stirring blades 22 are fixedly connected to the outer side of the shaft sleeve in a radiation mode, and the stirring blades are located below an annular heating chamber.
The sight glass adopts a sight glass with a lamp and is fixedly connected through a flange. The sight glass with the lighting function is more convenient for people to observe the operation condition in the reaction kettle at any time through the sight glass window.
The feed inlet is used for feeding reaction raw materials to measure granular aluminum hydroxide, and the water inlet is used for feeding reaction raw materials to tap water. Aluminum hydroxide and water as production raw materials are fully reacted in a reaction kettle under the specific conditions of high temperature and high pressure to generate a high-quality boehmite product with extremely fine particles.
The operating principle of the invention is as follows:
boehmite raw materials aluminium hydroxide and water get into reation kettle through feed inlet and water inlet respectively, splendid attire conduction oil in the heating chamber, open electric heater and give the conduction oil heating, open the gas vent for conduction oil heating exhaust pressure release, simultaneously, open turbine agitator and mix the stirring to the material and promote the jar interior material flow. Because the heating chamber is completely immersed in the liquid material which is continuously stirred, the contact area of the heat exchange surface is enlarged, and the liquid material continuously flows, the balanced mixing of the cold part and the hot part of the material is promoted, and the heat energy of the heat conducting oil can be transferred to the material to the maximum extent.
The technical solution of the present invention is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications within the spirit and principle of the present invention fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a fine particle boehmite production is with built-in oil of energy-saving adds hot type stirred tank reactor, includes reation kettle's jar body, its characterized in that: the top of the tank body is a detachable top cover, the periphery of the middle part of the tank body is fixedly connected with a bracket for supporting the tank body, the top cover is provided with a water inlet, a feed inlet, a sight glass port, a temperature measuring port, a pressure measuring port, a liquid level measuring port and a stirrer port, the stirrer port is positioned in the center of the top cover and is matched with a turbine stirrer, the turbine stirrer extends to the bottom of the tank body, the liquid level measuring port is matched with a liquid level meter, the pressure measuring port is matched with a pressure gauge, the temperature measuring port is matched with a thermometer, the sight glass port is matched with a sight glass, the center of the bottom of the tank body is fixedly connected with a liquid outlet, the middle part of the tank body is coaxially suspended with a spacer type heating chamber, heat conducting oil is contained in the heating chamber, one side of the upper end of the heating chamber is provided with an oil inlet, the other side of, the electric heater for heating the heat-conducting oil is arranged on the electric heating port, and the outer ends of the oil inlet, the air outlet, the oil discharge port, the oil temperature measuring port and the electric heating port of the heating chamber extend out of the side wall of the tank body.
2. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: the top cover and the bottom of the tank body are both convex surfaces and hemispherical, and the top cover is tightly connected with the tank body through a flange plate and bolts.
3. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: and the water inlet, the feed inlet, the viewing mirror port, the temperature measuring port, the pressure measuring port, the liquid level measuring port, the stirrer port, the oil discharge port, the oil temperature measuring port and one end of the electric heating port extending out of the side wall of the tank body are all provided with convex flanges in a matching way.
4. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: the heating chamber is a cylindrical heat-conducting oil annular cavity, a material heat exchange area is arranged on the periphery of the heating chamber, the heating chamber is erected in the middle of the tank body through an oil inlet, an air outlet, an oil temperature measuring port and two electric heating ports which are fixedly connected with the side wall of the heating chamber in a suspended mode, and the number of the electric heating ports is two.
5. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: the turbine stirrer is characterized in that a stirring motor of the turbine stirrer is fixedly installed on a stirrer opening, a rotating shaft of the stirring motor is connected with a stirring shaft through a coupling, the lower end of the stirring shaft is detachably and fixedly connected with a shaft sleeve through a jackscrew, tile-shaped inclined stirring blades are fixedly connected to the outer side of the shaft sleeve in a radiating mode, and the stirring blades are located below a heating chamber.
6. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: the sight glass adopts a sight glass with a lamp and is fixedly connected through a flange.
7. The energy-saving internal oil heating type stirring reaction kettle for producing the fine boehmite according to claim 1, characterized in that: the feed inlet is used for feeding reaction raw material aluminum hydroxide, and the water inlet is used for feeding reaction raw material tap water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728086.5A CN111841473A (en) | 2020-07-24 | 2020-07-24 | Energy-saving built-in oil heating type stirring reaction kettle for producing fine-particle boehmite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728086.5A CN111841473A (en) | 2020-07-24 | 2020-07-24 | Energy-saving built-in oil heating type stirring reaction kettle for producing fine-particle boehmite |
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| CN111841473A true CN111841473A (en) | 2020-10-30 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754489A1 (en) * | 1995-07-20 | 1997-01-22 | Air Products And Chemicals, Inc. | Method and apparatus to improve gas dispersion and gas mass transfer in a stirred tank reactor |
| CN101402910A (en) * | 2008-03-04 | 2009-04-08 | 周剑平 | Reaction still for producing high-viscosity cell immobilization carrier |
| CN101658780A (en) * | 2009-09-16 | 2010-03-03 | 南京化工职业技术学院 | Multi-functional chemical engineering experiment device |
| CN201684606U (en) * | 2010-05-12 | 2010-12-29 | 汕头市微补植物营养科技有限公司 | Reactor with temperature detector |
| CN204034701U (en) * | 2014-07-16 | 2014-12-24 | 桐乡市化工有限公司 | A kind of efficient electrical-heating reactor |
| CN108607493A (en) * | 2018-07-19 | 2018-10-02 | 郑州大学 | A kind of Chemical Manufacture reaction unit for being convenient for adjusting temperature |
-
2020
- 2020-07-24 CN CN202010728086.5A patent/CN111841473A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754489A1 (en) * | 1995-07-20 | 1997-01-22 | Air Products And Chemicals, Inc. | Method and apparatus to improve gas dispersion and gas mass transfer in a stirred tank reactor |
| CN101402910A (en) * | 2008-03-04 | 2009-04-08 | 周剑平 | Reaction still for producing high-viscosity cell immobilization carrier |
| CN101658780A (en) * | 2009-09-16 | 2010-03-03 | 南京化工职业技术学院 | Multi-functional chemical engineering experiment device |
| CN201684606U (en) * | 2010-05-12 | 2010-12-29 | 汕头市微补植物营养科技有限公司 | Reactor with temperature detector |
| CN204034701U (en) * | 2014-07-16 | 2014-12-24 | 桐乡市化工有限公司 | A kind of efficient electrical-heating reactor |
| CN108607493A (en) * | 2018-07-19 | 2018-10-02 | 郑州大学 | A kind of Chemical Manufacture reaction unit for being convenient for adjusting temperature |
Non-Patent Citations (1)
| Title |
|---|
| 袁铁彪 等: "《化妆品技术讲座》", 30 September 1984, 全国日用化学工业科技情报站 * |
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Application publication date: 20201030 |
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