CN216458772U - High-temperature tubular reactor for producing nano titanium dioxide - Google Patents

Abstract

The utility model discloses a high-temperature tubular reactor for producing nano titanium dioxide, which comprises a jacket and a reaction tank, wherein the jacket is arranged outside the lower side of the upper end of the reaction tank, a placing leg is arranged on the outer wall of the lower end of the outermost side at the bottom of the jacket, temperature-raising and temperature-lowering injection pipe heads are arranged on the outer walls of the left end and the right end of the jacket close to the upper side, a plurality of auxiliary temperature-raising and temperature-lowering devices are additionally arranged on the circular inner wall of the jacket of the high-temperature tubular reactor for titanium dioxide, the novel auxiliary temperature-raising and temperature-lowering devices can guide cooling water and high-temperature steam injected into the jacket, the cooling water and the high-temperature steam guided by the auxiliary temperature-raising and temperature-lowering devices can be conveyed from top to bottom in a state of being attached to the outer wall of the reaction tank, and the cooling water and the high-temperature steam can be conveyed from top to bottom in a state of being attached to the outer wall of the reaction tank, not only can make inside the rising and falling temperature of retort more quick like this, also can prevent the excessive waste of energy simultaneously.

Description

High-temperature tubular reactor for producing nano titanium dioxide

Technical Field

The utility model belongs to the technical field related to titanium dioxide processing, and particularly relates to a high-temperature tubular reactor for producing nano titanium dioxide.

Background

The reaction kettle is a comprehensive reaction vessel, the structural function and the configuration accessories of the reaction kettle are designed according to reaction conditions, the preset reaction steps can be completed from the beginning of feeding, reaction and discharging with higher automation degree, the important parameters of temperature, pressure, mechanical control (stirring, blowing and the like), reactant/product concentration and the like in the reaction process are strictly regulated and controlled, and the structure of the reaction kettle generally comprises a kettle body, a transmission device, a stirring device, a heating device, a cooling device and a sealing device.

The prior high-temperature tubular reactor technology of titanium dioxide has the following problems: the high-temperature tubular reactor of the existing titanium dioxide carries out chemical reaction on reactants inside a reaction tank, the chemical reaction is carried out at a specific reaction temperature in many times, and at the moment, high-temperature steam or cooling water needs to be injected into a jacket sleeved outside the reaction tank, so that the high-temperature steam and the cooling water respectively conduct high-temperature energy and low-temperature energy to the reactants, the reactants can react under a specific high-temperature or low-temperature condition, the high-temperature steam or the cooling water is directly injected into a space between the jacket and the reaction tank for heating or cooling in the traditional method, excessive energy waste is easily caused, the heating and cooling efficiency of the reactants is also easily low, because the high-temperature steam and the cooling water are only simply injected into the jacket, and the high-temperature steam and the cooling water close to one side of the inner wall of the jacket are far away from the outer wall of the reaction tank, therefore, the temperature cannot be quickly conducted to the inside of the reaction tank, and the temperature rising or reducing speed of the inside of the reaction tank can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature tubular reactor for producing nano titanium dioxide, which solves the problems that the traditional method of directly injecting high-temperature steam or cooling water into a space between a jacket and a reaction tank for heating or cooling, which is proposed in the background art, not only easily causes excessive energy waste, but also easily causes low efficiency of heating or cooling reactants, because the high-temperature steam and the cooling water are only simply injected into the jacket, and the high-temperature steam and the cooling water close to one side of the inner wall of the jacket are far away from the outer wall of the reaction tank, the temperature cannot be quickly conducted into the reaction tank, so that the heating or cooling speed of the interior of the reaction tank is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high temperature tubular reactor for producing nanometer titanium dioxide, is including pressing from both sides cover and retort, it is outside to press from both sides the upper end downside of installing at the retort to press from both sides the cover, it lays the leg to be provided with on the outer wall of the outside lower extreme in press from both sides cover bottom, it all is provided with on the both ends outer wall about being close to the upside to press from both sides the cover temperature rise and fall pours into the tube head, two the downside that rises and falls the temperature and pours into the tube head all is provided with the handle of moving, it all is provided with the flowing back tube head to press from both sides cover bottom center department, retort bottom center department is provided with the ejection of compact tube head, the lower extreme setting of ejection of compact tube head is outside the lower extreme outer wall that presss from both sides the cover, retort upper end outer wall center department is provided with sealed driving seat, the upper end of sealed driving seat is provided with agitator motor, it goes up and down to press from both sides and fall to be provided with on the circular inner wall to press from both sides and fall the temperature device, supplementary rise and fall the temperature device and include sealed retainer plate, The conical air guide sleeve is fixed on the circular inner wall of the clamping sleeve through the sealing fixing ring, and the inner wall of the conical air guide sleeve is provided with the super-hydrophobic coating.

Preferably, the retort is close to and is provided with observation and dog-house on the right side upper end outer wall, the retort is close to and is provided with the thermometer on the left side upper end outer wall and connects, the right side that the thermometer connects is provided with pressure gauge joint, thermometer joint and pressure gauge joint connect the inside temperature probe and the pressure probe of retort respectively.

Preferably, the vertical inside of retort center department is provided with the stirring pivot, the top inner wall fixed connection of sealed bearing and retort is passed through on the top of stirring pivot, the outer wall of stirring pivot still is provided with a plurality of stirring rollers, the stirring roller sets up the inside at the retort.

Preferably, the number of the placing legs is four, the four placing legs are fixedly connected with the clamping sleeve through welding, the upper end and the lower end of the reaction tank are processed in a semi-elliptical shape, and the outside of an opening of the observation and feeding port is further sleeved with a sealing cover.

Preferably, the top setting of stirring pivot is connected in the inside of sealed transmission seat and through shaft coupling and agitator motor's output shaft transmission, the stirring roller is through fixed cover and stirring pivot fixed connection.

Preferably, the conical air guide sleeve is of a cylindrical structure with a large upper part and a small lower part, the circular inner wall of the lower end of the conical air guide sleeve is not in contact with the circular outer wall of the reaction tank, and the inner wall and the outer wall of the conical air guide sleeve are mirror smooth walls.

Compared with the prior art, the utility model provides a high-temperature tubular reactor for producing nano titanium dioxide, which has the following beneficial effects:

1. according to the utility model, the plurality of auxiliary temperature raising and lowering devices are additionally arranged on the circular inner wall of the jacket of the titanium dioxide high-temperature tubular reactor and are arranged from top to bottom at equal intervals, the novel auxiliary temperature raising and lowering devices can guide cooling water and high-temperature steam injected into the jacket, the cooling water and the high-temperature steam guided by the auxiliary temperature raising and lowering devices can be conveyed from top to bottom in a state of being attached to the outer wall of the reaction tank, and the cooling water and the high-temperature steam are conveyed from top to bottom in a state of being attached to the outer wall of the reaction tank, so that the temperature can be quickly conducted into the reaction tank, the temperature raising and lowering inside the reaction tank can be quicker, and meanwhile, the energy can be prevented from being excessively wasted, so that the energy can be greatly saved;

2. the main part of the auxiliary temperature raising and lowering device is a cylindrical conical flow guide cover with a big top and a small bottom, the upper end of the conical flow guide cover is fixedly arranged on the circular inner wall of the jacket through a sealing fixing ring on the circular outer wall, a gap is formed between the circular inner wall at the lower end of the conical flow guide cover and the circular outer wall of the reaction tank, the inner wall of the conical flow guide cover is provided with a super-hydrophobic coating, when cooling water or high-temperature steam is injected into a space formed between the jacket and the reaction tank through a temperature raising and lowering injection pipe head, the injected cooling water or high-temperature steam can be conveyed from top to bottom, and when the cooling water or high-temperature steam is conveyed into the conical flow guide cover, the conical flow guide cover can convey the cooling water or high-temperature steam downwards and inwards concentrate through the big top and small bottom conical structure, so that the cooling water or high-temperature steam can be conveyed downwards in a state of being tightly attached to the outer wall of the reaction tank, can make like this to be poured into and carry under the cooling water or the high temperature steam of jacket inside can guarantee fully with the state of retort outer wall contact, can be quick like this conduct the inside of retort to the low temperature or the high temperature ability in cooling water or the high temperature steam, can make the energy obtain furthest's utilization like this, also can accelerate to heat up or the operation of cooling to the inside of retort.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic external perspective view of a high-temperature tubular reactor for producing nano-titania according to the present invention;

FIG. 2 is a schematic diagram of the internal planar structure of a high-temperature tubular reactor for producing nano titanium dioxide according to the present invention;

FIG. 3 is a schematic view of a vertical cross-section of the auxiliary temperature raising and lowering device according to the present invention;

fig. 4 is a schematic perspective view of an auxiliary temperature raising and lowering device according to the present invention;

in the figure: 1. placing legs; 2. a liquid discharge tube head; 3. a discharge pipe head; 4. a jacket; 5. moving the handle; 6. a heating and cooling injection pipe head; 7. a reaction tank; 8. a thermometer joint; 9. a pressure gauge joint; 10. sealing the transmission seat; 11. a stirring motor; 12. an observation and feeding port; 13. a stirring rotating shaft; 14. a stirring roller; 15. an auxiliary temperature raising and lowering device; 16. a sealing type fixed ring; 17. a conical air guide sleeve; 18. and (3) a super-hydrophobic coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-temperature tubular reactor for producing nano titanium dioxide comprises a jacket 4 and a reaction tank 7, wherein the jacket 4 is arranged outside the lower side of the upper end of the reaction tank 7, the outer wall of the lower end of the outermost side of the bottom of the jacket 4 is provided with four placing legs 1, the four placing legs 1 are fixedly connected with the jacket 4 by welding, the upper end and the lower end of the reaction tank 7 are processed in a semi-elliptical shape, a sealing cover is sleeved outside an opening of an observation and feeding port 12, the whole reaction kettle can be more stable and firm when being placed by the four placing legs 1, the impact resistance is stronger than that of the traditional three placing legs 1, so that the whole reaction kettle can be ensured to stably carry out chemical reaction operation, the outer walls of the left end and the right end of the upper side of the jacket 4 are respectively provided with a temperature rise and fall injection tube head 6, the lower sides of the two temperature rise and fall injection tube heads 6 are respectively provided with a moving handle 5, the left side and the right side of the center of the bottom of a jacket 4 are respectively provided with a liquid discharge tube head 2, the center of the bottom of a reaction tank 7 is provided with a discharge tube head 3, the lower end of the discharge tube head 3 is arranged outside the outer wall of the lower end of the jacket 4, the center of the outer wall of the upper end of the reaction tank 7 is provided with a sealing transmission seat 10, the upper end of the sealing transmission seat 10 is provided with a stirring motor 11, the circular inner wall of the jacket 4 is provided with an auxiliary temperature raising and lowering device 15, the outer wall of the upper end of the reaction tank 7, which is close to the right side, is provided with an observation and feeding port 12, the outer wall of the upper end of the reaction tank 7, which is close to the left side, is provided with a thermometer joint 8, the right side of the thermometer joint 8 is provided with a pressure gauge joint 9, the thermometer joint 8 and the pressure gauge joint 9 are respectively connected with a temperature probe and a pressure probe inside the reaction tank 7, the reaction temperature and the reaction pressure inside the reaction tank 7 can be observed in real time through a thermometer and a pressure gauge, so that a user can change the reaction state according to the measured temperature and pressure, a stirring rotating shaft 13 is arranged in the vertical inner part of the center of the reaction tank 7, the top end of the stirring rotating shaft 13 is fixedly connected with the top end inner wall of the reaction tank 7 through a sealed bearing, a plurality of stirring rollers 14 are further arranged on the outer wall of the stirring rotating shaft 13, the stirring rollers 14 are arranged in the reaction tank 7, the stirring rotating shaft 13 synchronously drives the stirring rollers 14 to rotate, so that the stirring rollers 14 can more thoroughly stir the reactant in the reaction tank 7, the reactant is more fully stirred, the chemical reaction of the reactant can be assisted, the top end of the stirring rotating shaft 13 is arranged in the sealed transmission seat 10 and is in transmission connection with an output shaft of the stirring motor 11 through a coupler, the stirring rollers 14 are fixedly connected with the stirring rotating shaft 13 through a fixed sleeve, when the reactant in the reaction tank 7 needs to be stirred, the stirring motor 11 needs to be started through a controller at the moment, stirring motor 11 then can drive the inside stirring pivot 13 of retort 7 through the output shaft and rotate, and stirring pivot 13 then can stir the reactant through stirring roller 14 when rotating to can assist the reactant to carry out chemical industry reaction.

A high-temperature tubular reactor for producing nano titanium dioxide, an auxiliary temperature raising and lowering device 15 comprises a sealed fixing ring 16, a conical flow guide cover 17 and a super-hydrophobic coating 18, the sealed fixing ring 16 is sleeved on the circular outer wall of the uppermost side of the conical flow guide cover 17, the conical flow guide cover 17 is fixed on the circular inner wall of a jacket 4 through the sealed fixing ring 16, the super-hydrophobic coating 18 is arranged on the inner wall of the conical flow guide cover 17, the conical flow guide cover 17 is of a cylindrical structure with a large upper part and a small lower part, the circular inner wall of the lower end of the conical flow guide cover 17 is not contacted with the circular outer wall of a reaction tank 7, the inner wall and the outer wall of the conical flow guide cover 17 are mirror surface type smooth walls, when cooling water or high-temperature steam is injected into a space formed between the jacket 4 and the reaction tank 7 through a temperature raising and lowering injection pipe head 6, the cooling water or the high-temperature steam can be conveyed from top to bottom, and when the cooling water or the high-temperature steam is conveyed into the conical flow guide cover 17, the conical air guide sleeve 17 can convey cooling water or high-temperature steam downwards and inwards concentrate through a conical structure with the size larger than the size of the conical air guide sleeve, so that the cooling water or the high-temperature steam can be conveyed downwards in a state of being attached to the outer wall of the reaction tank 7, the cooling water or the high-temperature steam injected into the jacket 4 can be conveyed in a state of being fully contacted with the outer wall of the reaction tank 7, low-temperature or high-temperature capacity in the cooling water or the high-temperature steam can be rapidly conducted into the reaction tank 7, and therefore energy can be utilized to the maximum extent.

The working principle and the using process of the utility model are as follows: after the installation of the utility model, when the high-temperature tubular reactor of titanium dioxide is used, firstly the high-temperature tubular reactor of titanium dioxide needs to be placed on the ground inside a use workshop through the placing leg 1, then the stirring motor 11 at the top end of the sealing transmission seat 10 needs to be electrified, then the sealing cover outside the opening of the observation and feed inlet 12 needs to be opened, so that the opening of the observation and feed inlet 12 is in an open state, then various raw materials needing chemical reaction need to be injected into the reaction tank 7 through the observation and feed inlet 12, after the injection is completed, the sealing cover needs to be sealed outside the opening of the observation and feed inlet 12 again, so that the opening of the observation and feed inlet 12 is in a sealed state, then a temperature meter and a pressure meter need to be respectively butted to a temperature meter connector 8 and a pressure meter connector 9, so that the chemical raw materials are in reaction, thermometer and manometer can real-timely detect out inside reaction temperature and the reaction pressure of retort 7, when chemical industry reaction needs heat up, accessible rise and fall the temperature and pour into pipe head 6 toward the inside high-temperature steam that pours into of cover 4 into this moment, make high-temperature steam conduct the inside of retort 7 to high temperature, thereby accomplish the reaction intensification operation, and when cooling down, can accomplish through pouring into the cooling water, when 7 inside reactants of retort need stir, need start agitator motor 11 through the controller this moment, agitator motor 11 then can drive 7 inside stirring pivot 13 of retort through the output shaft and rotate, and stirring pivot 13 then can stir the reactant through stirring roller 14 when rotating, after the chemical industry reaction is accomplished to the reactant, only need can discharge the reactant through ejection of compact pipe head 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A high-temperature tubular reactor for producing nano titanium dioxide, which comprises a jacket (4) and a reaction tank (7), and is characterized in that: the device is characterized in that the jacket (4) is arranged outside the lower side of the upper end of the reaction tank (7), the mounting legs (1) are arranged on the outer wall of the lower end of the outermost side of the bottom of the jacket (4), the temperature-raising and reducing injection pipe heads (6) are arranged on the outer walls of the left end and the right end of the upper side of the jacket (4), the moving handles (5) are arranged on the lower sides of the two temperature-raising and reducing injection pipe heads (6), the liquid discharge pipe heads (2) are arranged on the left side and the right side of the center of the bottom of the jacket (4), the discharge pipe head (3) is arranged at the center of the bottom of the reaction tank (7), the lower end of the discharge pipe head (3) is arranged outside the outer wall of the lower end of the jacket (4), the sealed transmission seat (10) is arranged at the center of the outer wall of the upper end of the reaction tank (7), the stirring motor (11) is arranged at the upper end of the sealed transmission seat (10), and the auxiliary temperature-raising and temperature-reducing device (15) is arranged on the circular inner wall of the jacket (4), supplementary heating and cooling device (15) are including sealed retainer plate (16), toper kuppe (17) and super hydrophobic coating (18), sealed retainer plate (16) have been cup jointed on the circular outer wall of toper kuppe (17) the top, toper kuppe (17) are fixed on the circular inner wall that presss from both sides cover (4) through sealed retainer plate (16), be provided with super hydrophobic coating (18) on the inner wall of toper kuppe (17).

2. A high temperature tubular reactor for producing nano titania as claimed in claim 1, wherein: retort (7) are close to and are provided with observation and dog-house (12) on the outer wall of right side upper end, retort (7) are close to and are provided with thermometer joint (8) on the outer wall of left side upper end, the right side that thermometer joint (8) connect is provided with pressure gauge joint (9), thermometer joint (8) and pressure gauge joint (9) are connected retort (7) inside temperature probe and pressure probe respectively, it is provided with four, four altogether to lay leg (1) all through welding and cover (4) fixed connection, the upper and lower both ends of retort (7) all adopt semiellipse shape to handle, the sealed lid has still been cup jointed to the opening outside of observation and dog-house (12).

3. A high temperature tubular reactor for producing nano titania as claimed in claim 1, wherein: the vertical inside of retort (7) center department is provided with stirring pivot (13), the top inner wall fixed connection of sealed bearing and retort (7) is passed through on the top of stirring pivot (13), the outer wall of stirring pivot (13) still is provided with a plurality of stirring roller (14), stirring roller (14) set up the inside at retort (7).

4. A high temperature tubular reactor for producing nano titania as claimed in claim 3, wherein: the top setting of stirring pivot (13) is in the inside of sealed transmission seat (10) and is connected through the output shaft transmission of shaft coupling and agitator motor (11), stirring roller (14) are through fixed cover and stirring pivot (13) fixed connection.

5. A high temperature tubular reactor for producing nano titania as claimed in claim 1, wherein: the conical air guide sleeve (17) is of a cylindrical structure with a large upper part and a small lower part, the circular inner wall of the lower end of the conical air guide sleeve (17) is not in contact with the circular outer wall of the reaction tank (7), and the inner wall and the outer wall of the conical air guide sleeve (17) are mirror smooth walls.

Images