CN114797686A - Fischer-Tropsch wax oxidation kettle equipment - Google Patents
Fischer-Tropsch wax oxidation kettle equipment Download PDFInfo
- Publication number
- CN114797686A CN114797686A CN202210547853.1A CN202210547853A CN114797686A CN 114797686 A CN114797686 A CN 114797686A CN 202210547853 A CN202210547853 A CN 202210547853A CN 114797686 A CN114797686 A CN 114797686A
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- reactor
- fischer
- tropsch wax
- distributor
- oxidation kettle
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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
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/002—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor with a moving instrument
-
- 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
- B01J8/001—Controlling catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/38—Chemical modification of petroleum
-
- 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
- B01J2219/00245—Avoiding undesirable reactions or side-effects
Abstract
The invention discloses Fischer-Tropsch wax oxidation kettle equipment which comprises a reactor, a cooling system and a distributor which are arranged in the reactor, a gas phase outlet and a reaction product outlet which are respectively arranged at the top and the bottom of the reactor, and an air inlet and a material inlet which are arranged on the outer side wall of the reactor; wherein the cooling system is located above the distributor; and a swirl baffle is arranged at the bottom of the reactor, and is matched with the inlet air of the air inlet communicating pipeline to automatically reduce pressure to form a swirl for forming blasting penetrating power airflow at the distributor penetrating hole. The reaction mode that has changed tower reactor in this application has changed the cauldron formula reaction unit structural style that adopts the sieve plate distributor simultaneously, has shortened reaction time, reduces the side reaction and has solved the sieve plate reactor simultaneously and easily warp because of the long-time atress of sieve, and the pressure change of admitting air easily leads to inlet end superpressure or pressure to hang down the material and leak sieve scheduling problem.
Description
Technical Field
The invention relates to the technical field of Fischer-Tropsch wax oxidation, in particular to Fischer-Tropsch wax oxidation kettle equipment.
Background
The existing Fischer-Tropsch wax oxidation equipment is divided into two types: one is a tower reactor, the oxidation reaction is carried out in a high tower, a bubble cap type tray distributor is adopted in the tower, and the equipment has the operation defects of uneven gas mixing, long reaction time, more side reactions and the like; the other type is a kettle type reactor, a sieve plate distributor is adopted for air inlet distribution, the materials on the sieve plate are supported by the new pressure difference between the front and back surfaces of the sieve plate distributor to carry out air-mixing contact reaction, and the problems that the sieve plate is easy to deform due to long-time stress, the materials with over-pressure or over-low pressure at the air inlet end leak through the sieve plate and the like are easily caused due to the change of air inlet pressure because the pressure difference between the front and back surfaces of the sieve plate is large.
Disclosure of Invention
The invention aims to provide Fischer-Tropsch wax oxidation kettle equipment, which solves the problems of the conventional Fischer-Tropsch wax oxidation kettle equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides Fischer-Tropsch wax oxidation kettle equipment which comprises a reactor, a cooling system and a distributor which are arranged in the reactor, a gas phase outlet and a reaction product outlet which are respectively arranged at the top and the bottom of the reactor, and an air inlet and a material inlet which are arranged on the outer side wall of the reactor;
wherein the cooling system is located above the distributor;
the air inlet penetrates through the distributor through a pipeline and extends to the bottom of the reactor, a rotational flow baffle is arranged at the inner bottom of the reactor, and the rotational flow baffle is matched with the inlet air of the air inlet communicating pipeline to automatically reduce pressure to form a vortex and is used for forming blasting penetrating force airflow at the penetrating hole of the distributor.
In this embodiment, it is further optimized that the cyclone baffle is an arc-shaped baffle structure uniformly and divergently arranged around the central axis of the reactor.
In this embodiment, it is further optimized that a plurality of distribution holes are uniformly spaced on the distributor; wherein the distribution holes are obliquely arranged on the distributor, and the closer to the center of the distributor, the larger the oblique opening angle of the distribution holes is.
In this embodiment, the reactor is a fischer-tropsch wax oxidation kettle, the height-to-diameter ratio of the fischer-tropsch wax oxidation kettle is 3.6-5.0, and the material of the fischer-tropsch wax oxidation kettle is 304 stainless steel.
In this embodiment, it is further optimized that the air inlet inputs clean air through a fan.
In this embodiment, it is further preferred that the material inlet is located above the distributor and is fed by a fischer tropsch wax feed transfer pump.
In this embodiment, it is further optimized that the reaction product outlet is communicated with the oxidized fischer-tropsch wax product collection tank through a pipe fitting.
In this embodiment, it is further optimized that the gas phase outlet is communicated with the tail gas treatment system through a pipe fitting.
In this embodiment, it is further optimized that the cooling system delivers the heat exchange medium through a cooling medium inlet and a cooling medium outlet 7 extending outside the reactor.
Compared with the prior art, the invention has the beneficial technical effects that: the reaction mode that has changed tower reactor in this application has changed the cauldron formula reaction unit structural style that adopts the sieve plate distributor simultaneously, has shortened reaction time, reduces the side reaction and has solved sieve plate reactor simultaneously and easily warp because of the long-time atress of sieve, and the inlet pressure changes and easily leads to inlet end superpressure or pressure to hang down the material and leak sieve scheduling problem. The core thinking of this application is that the sieve distributor of reation kettle is got rid of, changes to and forms the swirl by feeding wind from decompression, forms the gas-liquid distribution form of air current blasting penetrating power at distributor penetration hole department, and whole reaction process gas-liquid mixture contacts fully, and reaction efficiency is high, and the time is short, and pressure stability, temperature control are accurate.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the main structure of a Fischer-Tropsch wax oxidation kettle apparatus of the present invention;
FIG. 2 is a schematic bottom plan view of a Fischer-Tropsch wax oxidation kettle apparatus of the present invention;
FIG. 3 is a schematic view of the distributor structure within the Fischer-Tropsch wax oxidation kettle apparatus of the present invention;
fig. 4 is a schematic cross-sectional view of the distributor of fig. 3.
Description of reference numerals: 1. a reactor; 2. an air inlet; 2a, an air inlet pipe; 3. a material inlet; 4. a reaction product outlet; 5. a gas phase outlet; 6. a cooling medium inlet; 7. a cooling medium outlet; 8. a distributor; 8a, distribution holes; 9. and a rotational flow baffle.
Detailed Description
As shown in fig. 1, the present embodiment discloses a fischer-tropsch wax oxidation kettle device, which comprises a reactor 1, a cooling system and a distributor 8 installed inside the reactor 1, a gas phase outlet 5 and a reaction product outlet 4 installed at the top and bottom of the reactor 1, respectively, and an air inlet 2 and a material inlet 3 installed on the outer side wall of the reactor 1;
wherein the cooling system is located above the distributor 8;
the air inlet 2, the material inlet 3, the reaction product outlet 4 and the gas phase outlet 5 can be respectively designed into flange pipe structures according to requirements, so that sealing communication is facilitated;
in this embodiment, the air inlet 2 penetrates through the distributor 8 through a pipeline and extends to the bottom of the reactor 1, as shown in fig. 1, a right-angle elbow is installed at the air inlet 2, wherein the lower end of the right-angle elbow penetrates through the distributor 8 and blows towards the cyclone baffle 9;
in the embodiment, as shown in fig. 2, the cyclone baffle 9 is an arc baffle structure fixedly installed in a uniformly diverging manner around the central axis of the reactor 1, wherein the arc of the cyclone baffle 9 is preferably 80 ° so as to match the wind blown from the air inlet pipe 2a to form a swirling airflow.
As shown in fig. 3, a plurality of distribution holes 8a are uniformly spaced on the distributor 8;
as shown in fig. 4, the distribution holes 8a are obliquely formed on the distributor 8, and the closer to the center of the distributor 8, the greater the oblique angle of the distribution holes 8a is;
in this embodiment, the included angle between the distribution hole 8a and the plane of the distributor 8 is 78 °, 81 °, 84 ° from 75 ° of the outermost side to the direction close to the center of the distributor 8;
in this embodiment, the distribution holes 8a are symmetrically distributed about the central axis of the distributor 8;
in this embodiment, an air inlet pipe 2a communicating with the air inlet is installed on the distributor 8, wherein the air inlet pipe 2a introduces air into the bottom of the distributor 8.
And a cyclone baffle 9 is arranged at the inner bottom of the reactor 1, and the cyclone baffle 9 is matched with the inlet air of the pipeline communicated with the air inlet 2 to automatically reduce pressure to form a vortex for forming blasting penetrating power airflow at the penetrating hole of the distributor 8.
In this embodiment, the reactor 1 is a fischer-tropsch wax oxidation kettle, the height-to-diameter ratio thereof is 3.6 to 5.0, and the material thereof is 304 stainless steel.
In this embodiment, the air inlet 2 inputs clean air through a fan; the material inlet 3 is positioned above the distributor 8 and is supplied by a Fischer-Tropsch wax raw material conveying pump;
wherein the reaction product outlet 4 is communicated with an oxidized Fischer-Tropsch wax product collecting tank through a pipe fitting; the gas phase outlet 5 is communicated with a tail gas treatment system through a pipe fitting.
In this embodiment, the cooling system delivers a heat exchange working medium through a cooling medium inlet 6 and a cooling medium outlet 7 extending outside the reactor 1, the cooling system is a curved tube structure installed in the reactor 1, and the heat exchange working medium is water or other cooling working media.
The embodiment discloses Fischer-Tropsch wax oxidation kettle equipment, and aims to design an air mixing type kettle reactor, wherein air inflow directly contacts materials, feeding air is automatically decompressed to form a vortex, airflow blasting penetrating power is formed at penetrating holes of a distributor, and the materials are fully mixed to react.
In this embodiment, remove the sieve distribution design to make reaction pressure stable, avoid because of the pressure surge is equipped with the hourglass material that leads to.
The principle of this application does: the reaction kettle forms a vortex by means of self-pressure reduction of feeding air, airflow blasting penetrating power is formed at the penetrating hole of the distributor, so that materials are fully mixed for reaction, gas-liquid mixing and contact are full in the whole reaction process, the reaction efficiency is high, the time is short, the pressure is stable, and the temperature control is accurate.
Example 1:
an oxidation reaction device for raw 100# Fischer-Tropsch wax,
the reactor 1 is a Fischer-Tropsch wax oxidation kettle, the diameter is 1.2m, and the height is 5.2 m;
the air inlet 2 is connected with purified air;
the material inlet 3 is connected with a 100# wax delivery pump;
the reaction product outlet 4 is connected with an oxidized Fischer-Tropsch wax product collecting tank;
the gas phase outlet 5 is connected with a tail gas treatment system;
and the cooling medium inlet 6 and the cooling medium outlet 7 are connected with a circulating water system.
Application example 1
A method of operating a 100# fischer-tropsch wax oxidation reaction plant as described in example 1, said method comprising the steps of:
1) starting a No. 100 Fischer-Tropsch wax feeding pump to feed materials into the reaction kettle, and stopping feeding when the liquid level reaches 40%.
2) The purified air system is started to supply air to the reaction kettle,
3) starting a tail gas treatment system to receive tail gas discharged by the reaction kettle, controlling the pressure of the tail gas within a certain range,
4) and starting a cooling system, and controlling the temperature of the reaction kettle within an operation range.
5) After reacting for a certain time, sampling and analyzing to reach the index, stopping air, cooling, and discharging the product to a product collecting tank through a reaction product outlet.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the invention, and do not limit the scope of the invention, and various modifications and improvements of the technical solution of the invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the invention.
Claims (9)
1. The utility model provides a Fischer-Tropsch wax oxidation cauldron equipment which characterized in that: the device comprises a reactor (1), a cooling system and a distributor (8) which are arranged in the reactor (1), a gas phase outlet (5) and a reaction product outlet (4) which are respectively arranged at the top and the bottom of the reactor (1), and an air inlet (2) and a material inlet (3) which are arranged on the outer side wall of the reactor (1);
wherein the cooling system is located above the distributor (8);
the air inlet (2) penetrates through the distributor (8) through a pipeline and extends to the bottom of the reactor (1), a rotational flow baffle (9) is arranged on the inner wall of the bottom of the reactor (1), and the rotational flow baffle (9) is matched with the air inlet of the air inlet (2) communicated with the pipeline to automatically reduce pressure to form a vortex for forming blasting penetrating force airflow at the penetrating hole of the distributor (8).
2. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the cyclone baffle (9) is an arc baffle structure which is uniformly arranged around the central shaft of the reactor (1) in a divergent mode.
3. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: a plurality of distribution holes (8a) are uniformly arranged on the distributor (8) at intervals; wherein the distribution holes (8a) are obliquely arranged on the distributor (8), and the closer to the center of the distributor (8), the larger the oblique arrangement angle of the distribution holes (8a) is.
4. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the reactor (1) is a Fischer-Tropsch wax oxidation kettle, the height-diameter ratio of the Fischer-Tropsch wax oxidation kettle is 3.6-5.0, and the Fischer-Tropsch wax oxidation kettle is made of 304 stainless steel.
5. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the air inlet (2) inputs clean air through a fan.
6. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the material inlet (3) is positioned above the distributor (8) and is fed by a Fischer-Tropsch wax raw material delivery pump.
7. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: and the reaction product outlet (4) is communicated with an oxidized Fischer-Tropsch wax product collecting tank through a pipe fitting.
8. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the gas phase outlet (5) is communicated with a tail gas treatment system through a pipe fitting.
9. The fischer-tropsch wax oxidation kettle apparatus of claim 1, wherein: the cooling system delivers heat exchange medium through a cooling medium inlet (6) and a cooling medium outlet (7) extending outside the reactor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210547853.1A CN114797686A (en) | 2022-05-18 | 2022-05-18 | Fischer-Tropsch wax oxidation kettle equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210547853.1A CN114797686A (en) | 2022-05-18 | 2022-05-18 | Fischer-Tropsch wax oxidation kettle equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114797686A true CN114797686A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210547853.1A Pending CN114797686A (en) | 2022-05-18 | 2022-05-18 | Fischer-Tropsch wax oxidation kettle equipment |
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| CN (1) | CN114797686A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346178A (en) * | 2005-12-23 | 2009-01-14 | 西门子Vai金属科技有限责任公司 | Distributor bottom |
| CN102872769A (en) * | 2012-09-28 | 2013-01-16 | 神华集团有限责任公司 | Gas distributor and slurry bed reactor and crude carbinol synthetic system both comprising same |
| CN103406077A (en) * | 2013-08-08 | 2013-11-27 | 中国天辰工程有限公司 | Rotational flow plate glycerinum chlorination bubbling reaction tower and device for producing epichlorohydrin |
| JP2014076415A (en) * | 2012-10-09 | 2014-05-01 | Cataler Corp | Slurry feeding nozzle and manufacturing apparatus and manufacturing method of exhaust gas cleaning catalyst using the same |
| CN106040111A (en) * | 2016-06-30 | 2016-10-26 | 山东聊城中盛蓝瑞化工有限公司 | Continuous air oxidation kettle-type reactor |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN113244801A (en) * | 2021-05-19 | 2021-08-13 | 南京国昌化工科技有限公司 | Multi-fluid mixing equipment |
| CN214209908U (en) * | 2020-10-16 | 2021-09-17 | 华电电力科学研究院有限公司 | Fan drainage formula power boiler tail gas processing apparatus |
| CN215489829U (en) * | 2021-09-26 | 2022-01-11 | 内蒙古靓固科技有限责任公司 | Spiral air nozzle and air distribution pipe for coal-fired boiler |
-
2022
- 2022-05-18 CN CN202210547853.1A patent/CN114797686A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346178A (en) * | 2005-12-23 | 2009-01-14 | 西门子Vai金属科技有限责任公司 | Distributor bottom |
| CN102872769A (en) * | 2012-09-28 | 2013-01-16 | 神华集团有限责任公司 | Gas distributor and slurry bed reactor and crude carbinol synthetic system both comprising same |
| JP2014076415A (en) * | 2012-10-09 | 2014-05-01 | Cataler Corp | Slurry feeding nozzle and manufacturing apparatus and manufacturing method of exhaust gas cleaning catalyst using the same |
| CN103406077A (en) * | 2013-08-08 | 2013-11-27 | 中国天辰工程有限公司 | Rotational flow plate glycerinum chlorination bubbling reaction tower and device for producing epichlorohydrin |
| CN106040111A (en) * | 2016-06-30 | 2016-10-26 | 山东聊城中盛蓝瑞化工有限公司 | Continuous air oxidation kettle-type reactor |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN214209908U (en) * | 2020-10-16 | 2021-09-17 | 华电电力科学研究院有限公司 | Fan drainage formula power boiler tail gas processing apparatus |
| CN113244801A (en) * | 2021-05-19 | 2021-08-13 | 南京国昌化工科技有限公司 | Multi-fluid mixing equipment |
| CN215489829U (en) * | 2021-09-26 | 2022-01-11 | 内蒙古靓固科技有限责任公司 | Spiral air nozzle and air distribution pipe for coal-fired boiler |
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