CN113893789A - Oxidation reaction kettle capable of heating uniformly - Google Patents

Oxidation reaction kettle capable of heating uniformly Download PDF

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Publication number
CN113893789A
CN113893789A CN202111147025.0A CN202111147025A CN113893789A CN 113893789 A CN113893789 A CN 113893789A CN 202111147025 A CN202111147025 A CN 202111147025A CN 113893789 A CN113893789 A CN 113893789A
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Prior art keywords
air
pipe
heating
air distribution
oxidation reaction
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CN202111147025.0A
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Chinese (zh)
Inventor
单淼
陆云飞
张明
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Jiangsu Yuxing Technology Co ltd
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Jiangsu Yuxing Technology Co ltd
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Priority to CN202111147025.0A priority Critical patent/CN113893789A/en
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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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1818—Feeding of the fluidising gas
    • B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1809—Controlling processes
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1836—Heating and cooling the reactor
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
    • B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/22—Compounds of iron
    • C09C1/24—Oxides of iron
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00176—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212—Plates; Jackets; Cylinders
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00327—Controlling the temperature by direct heat exchange
    • B01J2208/00336—Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
    • B01J2208/00353—Non-cryogenic fluids
    • B01J2208/00371—Non-cryogenic fluids gaseous
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00548—Flow
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00893—Feeding means for the reactants
    • B01J2208/00902—Nozzle-type feeding elements
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00946—Features relating to the reactants or products
    • B01J2208/00955—Sampling of the particulate material, the reactants or the products
    • B01J2208/00964—Reactants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses an oxidation reaction kettle capable of heating uniformly, which belongs to the technical field of reaction kettles and comprises a kettle body, a jacket, a heating pipe and an air pipe, wherein the jacket is connected with the outer wall of the kettle body, the air pipe is connected with the kettle body and used for introducing air into the kettle body, the heating pipe is connected with the jacket and used for introducing a heating medium into the jacket, and the air pipe is connected with the heating pipe through a heat exchanger. According to the invention, liquid can be heated from the inside and the outside of the reaction kettle through external steam and high-temperature air, and the heating is uniform; the air pipe is connected with an air distribution device, integrates three functions of air distribution, heating and stirring, improves the uniformity of heating and the balance of oxidation reaction, and is beneficial to improving the quality of the final ferric oxide product; the arrangement of the gas distribution nozzle can improve the stirring efficiency, is more favorable for heat transfer among liquids and averages the temperature of the liquid in the reaction kettle; set up the water pipe and be connected with the air hose to set up the flowmeter, the water yield that can accurate control participate in the reaction, water distribution is even, and the reaction is high-efficient.

Description

Oxidation reaction kettle capable of heating uniformly
Technical Field
The invention belongs to the technical field of reaction kettles, and particularly relates to an oxidation reaction kettle capable of heating uniformly.
Background
The iron oxide pigment is a pigment having good dispersibility and excellent light and weather resistance. The iron oxide pigment mainly refers to four types of coloring pigments of iron oxide red, iron oxide yellow, iron oxide black and iron oxide brown which take iron oxide as a basic substance, the production process of the iron oxide red and the iron oxide yellow generally adopts a wet process, firstly, seed crystals are prepared, then, an oxidation reaction process is carried out, in the oxidation reaction process, seed crystal feed liquid prepared in the previous process is conveyed into an oxidation reaction kettle, then, iron sheet raw materials are added, air and low-pressure steam are introduced, the reaction is carried out for a period of time (84-110h) at the temperature of 80-85 ℃, suspension liquid rich in iron oxide crystal particles is obtained, and iron oxide pigment products are obtained after the processes of filtering, drying, grinding and the like. However, there are some problems in the oxidation reaction: when the heating pipe is used for heating liquid in the reaction kettle, the heating is uneven, the temperature close to the heating pipe is too high, the temperature far away from the heating pipe is too low, and the oxygen amount participating in the reaction in the local liquid during the oxidation reaction is insufficient, so that the efficiency of the iron oxide pigment manufacturing process is influenced, and the quality of the finished iron oxide pigment is also influenced.
Disclosure of Invention
The technical problem is as follows: aiming at the problems in the prior art, the technical problem to be solved by the invention is to provide an oxidation reaction kettle which is uniformly heated, so that the heating uniformity and the oxidation reaction balance are improved.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an oxidation reaction kettle that heating is even, includes the cauldron body, presss from both sides cover, heating pipe and air pipe, press from both sides the cover with cauldron external wall connects, the air pipe with cauldron body coupling is used for leading to the internal logical air of cauldron, the heating pipe with press from both sides the cover coupling and be used for leading to heating medium to pressing from both sides the cover, the air pipe pass through the heat exchanger with the heating pipe is connected.
Preferably, the internal gas distribution device who is connected with the air hose that is equipped with of cauldron, gas distribution device includes first gas distribution coil pipe.
Preferably, the number of the first air distribution coil pipes is more than one, and the pipelines of the plurality of air distribution coils are connected in series or in parallel.
Preferably, the first air distribution coil pipe is provided with a plurality of air distribution nozzles, and the plurality of air distribution nozzles are uniformly distributed on the air distribution coil pipe and used for pushing the medium in the kettle body to move along the clockwise direction or the anticlockwise direction.
Preferably, the air distribution device further comprises a second air distribution coil connected with the air pipe through a branch pipe.
Preferably, the air pipe is provided with a first air distribution valve, and the branch pipe is provided with a second air distribution valve.
Preferably, the air pipe is connected with a water pipe, and the water pipe is provided with a flowmeter and a water valve.
Preferably, a return pipe is connected to the jacket, and a residue discharge valve is arranged at the bottom of the jacket.
Preferably, the heating medium is steam.
Has the advantages that: compared with the prior art, the invention has the following advantages: 1. the jacket, the heating pipe and the air pipe are arranged, so that liquid can be heated from the inside and the outside of the reaction kettle in a bidirectional manner through external steam and high-temperature air, and the heating is uniform; 2. the air pipe is connected with an air distribution device, integrates three functions of air distribution, heating and stirring, improves the uniformity of heating and the balance of oxidation reaction, and is beneficial to improving the quality of the final ferric oxide product; 3. the arrangement of the gas distribution nozzle can improve the stirring efficiency, an additional stirring device is not needed, the equipment investment is reduced, the moving liquid is more beneficial to heat transfer among the liquids, and the liquid temperature in the reaction kettle is averaged; 4. the water quantity of the conventional steam water supply cannot be controlled, the water pipe is connected with the air pipe, the flowmeter is arranged, the water quantity participating in the reaction can be accurately controlled, the water is brought into the reaction kettle through the air, the water distribution is uniform, and the reaction is efficient.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic view of a first gas distribution coil arrangement of FIG. 1;
FIG. 3 is a schematic structural view of example 2 of the present invention;
fig. 4 is a schematic view of a first gas distribution coil structure of fig. 3.
Detailed Description
The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in figure 1, an oxidation reaction kettle capable of heating uniformly comprises a kettle body 1, a clamping sleeve 2, a heating pipe 3 and an air pipe 4, wherein the kettle body 1 is cylindrical, a liquid inlet 11 is formed in the side wall and used for feeding liquid, a liquid outlet 12 is formed in the bottom of the lower inverted cone and used for discharging liquid, a feeding opening 13 is formed in the top end of the kettle body 1 and used for adding iron skin scraps in the production process of iron oxide, the iron skin scraps are used for reacting with a liquid medium in the reaction kettle to obtain turbid liquid rich in iron oxide crystal particles, the turbid liquid is filtered, dried, ground and the like to obtain iron oxide pigment products, and common equipment such as a pressure gauge 14 and a safety valve 15 is further arranged on the kettle body 1. Jacket 2 and the outer wall connection of the cauldron body 1, jacket 2 wraps up the outer wall lower half and the bottom of the cauldron body 1, heating pipe 3 is connected with jacket 2 and is used for leading to heating medium in pressing from both sides the jacket 2, heating medium adopts steam, can heat the liquid in the cauldron body 1 through leading to steam in pressing from both sides the jacket 2, be connected with back flow 31 on the jacket 2, the steam through the heat transfer flows out from back flow 31, it is equipped with and puts incomplete valve 21 to press from both sides the jacket 2 bottom for put the steam condensate water in the incomplete jacket 2. Air pipe 4 is connected with the cauldron body 1 and is used for leading to the air in the cauldron body 1, because iron oxide production process needs a large amount of oxygen to participate in the reaction, it can guarantee that the air quantity satisfies the reaction requirement to insert the air to cauldron body 1 internal liquid through air pipe 4, air pipe 4 passes through heat exchanger 5 and is connected with heating pipe 3, heat exchanger 5 adopts tubular heat exchanger, the heat exchange is accomplished in heat exchanger 5 to the steam in the heating pipe 3 and the air in the air pipe 4, thereby air temperature in the air pipe 4 promotes and becomes high temperature air, the high temperature air that gets into cauldron body 1 also can heat cauldron body 1 internal liquid when participating in the reaction.
As shown in fig. 1 and 2, the kettle body 1 is internally provided with an air distribution device 6 connected with the air tube 4, the air distribution device 6 comprises 5 (the number can be set as required) first air distribution coil pipes 61 arranged at equal distances from top to bottom, the first air distribution coil pipes 61 are circular, the 5 first air distribution coil pipes 61 are respectively connected with the air tube 4 to form a pipeline parallel connection, and air enters the 5 first air distribution coil pipes 61 from the air tube 4 respectively. The first air distribution coil 61 is provided with a plurality of evenly distributed air distribution nozzles 611, the air distribution nozzles 611 are obliquely connected with the main body of the first air distribution coil 61, part of the air distribution nozzles 611 are evenly distributed along the inner circumference of the air distribution coil 61, part of the air distribution nozzles 611 are evenly distributed along the outer circumference of the air distribution coil 61, the air in the air pipe 4 reaches the first air distribution coil 61 and then is sprayed out from the air distribution nozzles 611, so as to participate in the oxidation reaction in the kettle body 1, and meanwhile, due to the pushing action of the air sprayed out from the air distribution nozzles 611, the liquid medium in the kettle body 1 rotates along the counterclockwise direction of the horizontal plane under the pushing action of the air, as shown by the arrow in fig. 2 (the air distribution nozzles 611 are reversely arranged to form clockwise rotation). Because the air is heated into high-temperature air in heat exchanger 5 to the high-temperature air that gas distribution nozzle 611 spun can also heat the interior liquid of the cauldron body 1, and first gas distribution coil 61 evenly sets up about can evenly heat the interior liquid of the cauldron body 1. Gas distribution device 6 collection cloth gas, heat, three kinds of functions of stirring are as an organic whole, the first cloth gas coil pipe 61 that arranges from top to bottom heats the outside that the cooperation pressed from both sides cover 2 in liquid inside and heats, make heating in the cauldron body 1 even, the stirring function of cloth gas nozzle 611 can make liquid circulation flow simultaneously, heat transmission between liquid with higher speed, it is more even to make the temperature rise, the air participates in oxidation reaction also more timely and average between liquid, the homogeneity of heating and oxidation reaction's equilibrium has greatly been improved, be favorable to improving the final finished product quality of ferric oxide.
As shown in fig. 1, the air distribution device 6 further includes a second air distribution coil 62 connected with the air pipe 4 through the branch pipe 41, the second air distribution coil 62 is also provided with 5 air distribution coils, and the structure of the second air distribution coil 62 is the same as that of the first air distribution coil 61 but different in size, the second air distribution coil 62 is provided with a second nozzle, the structure and direction of the second nozzle and the air distribution nozzle 611, the diameter of the second air distribution coil 62 is smaller than that of the first air distribution coil 61, the second air distribution coil is arranged at a position close to the bottom in the kettle body 1, and the functions of air distribution, heating and stirring are also performed. A first air distribution valve 42 is arranged on the air pipe 4 and used for controlling the on-off of an air path of the first air distribution coil 61, a second air distribution valve 411 is arranged on the branch pipe 41 and used for controlling the on-off of an air path of the second air distribution coil 62, the first air distribution valve 42 and the second air distribution valve 411 are controlled by adopting an electromagnetic valve or a manual valve, when less liquid exists in the kettle body 1, the first air distribution valve 42 is closed, the second air distribution valve 411 is opened, and the liquid in the kettle body 1 is subjected to air distribution, heating and stirring work through the second air distribution coil 62, so that energy is saved and consumption is reduced; when the liquid in the kettle body 1 is more, the first air distribution valve 42 and the second air distribution valve 411 are opened simultaneously, the liquid in the kettle body 1 is subjected to air distribution, heating and stirring, the heating uniformity and the oxidation reaction balance are improved, and the working efficiency is high.
As shown in figure 1, because water is required to participate in reaction in the process of obtaining the suspension rich in iron oxide crystal particles, the air pipe 4 is connected with the water pipe 7, the water pipe 7 is provided with the flowmeter 71 and the water valve 72, a certain amount of water enters the kettle body 1 along with air in the air pipe 4 after the water valve 72 is opened to participate in reaction, the water valve 72 is controlled by the electromagnetic valve or the manual valve, the flowmeter 71 can monitor the amount of water flowing through, the amount of water entering the kettle body 1 along with air can be controlled through the flowmeter 71 and the water valve 72, the water participating in reaction is accurately controlled, hot water can be directly connected into the water pipe 7, heat insulation materials can be wrapped outside the water pipe 7 and the air pipe 4, and temperature reduction in the transportation process is prevented.
Example 2
As shown in fig. 3 and fig. 4, different from embodiment 1, the air distribution device 6 of this embodiment is not provided with the branch pipes 41 and the second air distribution coil 62, and the first air distribution coil 61 is an arc-shaped pipe, the plurality of first air distribution coils 61 are connected in series by pipes in sequence from top to bottom, the whole air distribution device 6 composed of the plurality of first air distribution coils 61 is spiral with a large top and a small bottom, the air distribution device 6 can also be regarded as a pipe spirally arranged from top to bottom, the first air distribution coil 61 of this embodiment is also provided with the air distribution nozzles 611, the plurality of air distribution nozzles 611 are uniformly distributed on the first air distribution coil 61 and form the same included angle with the main body of the first air distribution coil 61, the air distribution nozzles 611 play the same role as in embodiment 1, except that the air distribution nozzles 611 push the medium in the kettle 1 to rotate clockwise in the horizontal plane (as shown by black arrows in fig. 4). The first air distribution coil 61 and the air distribution nozzle 611 of the air distribution device 6 can be set not only in the manner of embodiment 1 and this embodiment, but also in other structures beneficial to pushing the medium in the kettle body 1 to move, so as to improve the uniformity of heating and the balance of oxidation reaction.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (9)

1. The utility model provides an oxidation reaction kettle that heating is even, its characterized in that, includes the cauldron body (1), presss from both sides cover (2), heating pipe (3) and air pipe (4), press from both sides cover (2) with cauldron body (1) outer wall connection, air pipe (4) with cauldron body (1) is connected and is used for leading to the air in the cauldron body (1), heating pipe (3) with press from both sides cover (2) and be connected and be used for leading to heating medium in pressing from both sides cover (2), air pipe (4) pass through heat exchanger (5) with heating pipe (3) are connected.
2. The uniformly-heated oxidation reaction kettle according to claim 1, wherein an air distribution device (6) connected with the air pipe (4) is arranged in the kettle body (1), and the air distribution device (6) comprises a first air distribution coil (61).
3. The uniformly heated oxidation reactor as set forth in claim 2, wherein the number of said first gas distribution coils (61) is more than one, and a plurality of said gas distribution coils (61) are connected in series or in parallel.
4. The uniformly-heated oxidation reaction kettle according to claim 2, wherein a plurality of gas distribution nozzles (611) are arranged on the first gas distribution coil (61), and the plurality of gas distribution nozzles (611) are uniformly distributed on the gas distribution coil (61) and used for pushing the medium in the kettle body (1) to move in a clockwise or counterclockwise direction.
5. The uniformly heated oxidation reactor as set forth in claim 2 wherein the gas distribution means (6) further comprises a second gas distribution coil (62) connected to the air pipe (4) through a branch pipe (41).
6. The uniformly-heated oxidation reaction kettle according to claim 5, wherein a first air distribution valve (42) is arranged on the air pipe (4), and a second air distribution valve (411) is arranged on the branch pipe (41).
7. The uniformly heated oxidation reactor as claimed in claim 1, wherein a water pipe (7) is connected to said air pipe (4), and a flow meter (71) and a water valve (72) are disposed on said water pipe (7).
8. The uniformly heated oxidation reactor as set forth in claim 1, wherein a return pipe (31) is connected to the jacket (2), and a residual discharge valve (21) is provided at the bottom of the jacket (2).
9. The uniformly heated oxidation reactor as set forth in claim 1 wherein said heating medium is steam.
CN202111147025.0A 2021-09-28 2021-09-28 Oxidation reaction kettle capable of heating uniformly Pending CN113893789A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165884A (en) * 1991-07-05 1992-11-24 Thermatrix, Inc. Method and apparatus for controlled reaction in a reaction matrix
CN202207593U (en) * 2011-08-01 2012-05-02 河南利伟生物药业股份有限公司 Oxidizing reaction kettle
CN204672281U (en) * 2015-05-13 2015-09-30 大丰跃龙化学有限公司 Large contact surface amasss chlorinating container
CN106732247A (en) * 2016-11-18 2017-05-31 广西大学 A kind of high-efficiency stirring heating response kettle
CN207694774U (en) * 2017-12-24 2018-08-07 抚州市萨弗隆化工有限公司 A kind of synthesis reactor of the production of 8-hydroxyquinoline halides
CN207872112U (en) * 2017-12-30 2018-09-18 天津友发钢管集团股份有限公司 A kind of novel oxidized reaction kettle
CN110102174A (en) * 2019-06-11 2019-08-09 天津水泥工业设计研究院有限公司 Stirring-type efficient oxidation air hose, stirring means and desulfurizing tower

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165884A (en) * 1991-07-05 1992-11-24 Thermatrix, Inc. Method and apparatus for controlled reaction in a reaction matrix
CN202207593U (en) * 2011-08-01 2012-05-02 河南利伟生物药业股份有限公司 Oxidizing reaction kettle
CN204672281U (en) * 2015-05-13 2015-09-30 大丰跃龙化学有限公司 Large contact surface amasss chlorinating container
CN106732247A (en) * 2016-11-18 2017-05-31 广西大学 A kind of high-efficiency stirring heating response kettle
CN207694774U (en) * 2017-12-24 2018-08-07 抚州市萨弗隆化工有限公司 A kind of synthesis reactor of the production of 8-hydroxyquinoline halides
CN207872112U (en) * 2017-12-30 2018-09-18 天津友发钢管集团股份有限公司 A kind of novel oxidized reaction kettle
CN110102174A (en) * 2019-06-11 2019-08-09 天津水泥工业设计研究院有限公司 Stirring-type efficient oxidation air hose, stirring means and desulfurizing tower

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