CN106732209B - Boiling type isothermal reactor and isothermal control process - Google Patents
Boiling type isothermal reactor and isothermal control process Download PDFInfo
- Publication number
- CN106732209B CN106732209B CN201710059595.1A CN201710059595A CN106732209B CN 106732209 B CN106732209 B CN 106732209B CN 201710059595 A CN201710059595 A CN 201710059595A CN 106732209 B CN106732209 B CN 106732209B
- Authority
- CN
- China
- Prior art keywords
- reaction
- falling film
- outer falling
- film
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- 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
Abstract
The invention relates to the technical field of reactors, in particular to a boiling isothermal reactor, which comprises an upper shell, an upper middle shell, a middle lower shell and a lower shell, wherein the adjacent shells are communicated with each other; a large filter element, a small filter element, a cooling liquid inlet, a cooling liquid overflow port, a cooling liquid distributor and an outer falling film head are arranged in the middle upper shell; an inner tube, an outer falling film tube, a reaction catalyst and an outer falling film re-film former are arranged in the middle shell; the middle lower shell is internally provided with a small filter element and a large filter element which have the same structure as the middle upper shell, a cooling liquid outlet and a cooling liquid steam outlet; the lower shell is internally provided with an air inlet, an air inlet distributor and a reaction liquid outlet. The invention adopts the novel boiling isothermal reactor to carry out gas-liquid reaction, and has the advantages of simple process, convenient operation, low consumption, high control precision and less side reaction.
Description
Technical Field
The invention relates to the technical field of reactors, in particular to a boiling isothermal reactor and an isothermal control process.
Background
At present, the reactors used for gas-liquid reaction have various forms, including tubular reactors, kettle reactors, tower reactors and loop reactors. How to exert the maximum catalytic efficiency of the catalyst, how to realize the accurate control of the temperature in the reaction process, how to transfer heat efficiently, how to reduce the consumption of the catalyst, and how to reduce the power consumption effectively is an important index for considering the performance of the reactor. The boiling isothermal reactor adopts a special structural form, and reflects the excellent characteristics of isothermy, low resistance and high efficiency in the reaction process.
Disclosure of Invention
The invention aims to solve the defect of single advantage of a reactor in the prior art, and provides a boiling isothermal reactor and an isothermal control process, which can ensure uniform catalyst distribution of reaction material concentration and uniform and efficient heat transfer.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a boiling isothermal reactor, which comprises an upper shell, a middle-upper shell, a middle-lower shell and a lower shell, wherein adjacent shells are communicated with each other, and the boiling isothermal reactor is characterized in that: the upper shell is internally provided with an air outlet pipe orifice, a foam catcher, a liquid inlet pipe and a liquid inlet distributor; a large filter element, a small filter element, a cooling liquid inlet, a cooling liquid overflow port, a cooling liquid distributor and an outer falling film head are arranged in the middle upper shell; an inner tube, an outer falling film tube, a reaction catalyst and an outer falling film re-film former are arranged in the middle shell; the middle lower shell is internally provided with a small filter element and a large filter element which have the same structure as the middle upper shell, a cooling liquid outlet and a cooling liquid steam outlet; the lower shell is internally provided with an air inlet, an air inlet distributor and a reaction liquid outlet; the two ends of the inner tube are provided with a small filtering element and a large filtering element, the outer side of the inner tube is provided with a non-fixed tube plate, and the small filtering element and the large filtering element are fixed on the inner tube through a fastening nut and a fastening bolt by using a 0-type soft sealing ring and the non-fixed tube plate; the large filter element is arranged outside the small filter element to ensure that the reaction catalyst is not lost; the outer falling film heads are all in spiral tangent feeding structures, the outer falling film heads are installed on the fixed tube plate in an outer thread structure, the outer falling film tubes are fixedly connected with the fixed tube plate in an expansion welding structure, inner tubes, on which large filtering elements and small filtering elements are installed in advance, penetrate into the outer falling film tubes, then the inner tubes are installed in the middle lower shell in a positioning mode, an outer falling film re-film former is installed between the inner tubes and the outer falling film tubes before the inner tubes are installed on the outer falling film head, a re-film former connecting pull rod is installed on the outer falling film head after the inner tubes are installed on the outer falling film head, and the outer falling film heads drive the outer falling film re-film former to rotate when being fastened on the fixed tube plate; the outer falling film re-film former is provided with a re-film former overflow port, a re-film former exhaust port and a re-film former connecting hole, and the upper end of the outer falling film re-film former is also connected with a re-film former connecting pull rod; the outer side of the outer falling film head is provided with an outer falling film head fastening outer hexagon, the upper end of the outer falling film head is also provided with an outer falling film head exhaust hole and an outer falling film head spiral feeding seam, and the outer falling film head is also provided with a regenerated film device pull rod fixing nut.
As a preferable scheme, a wedge-shaped gasket is arranged between the inner tube and the non-fixed tube plate, and the wedge-shaped gasket can better relieve the adverse effect of the deformation generated by cold and heat of equipment on the equipment, so that the sealing property between the inner tube and the non-fixed tube plate is ensured.
The invention also provides an isothermal control process of the boiling isothermal reactor, which specifically comprises the following steps:
the catalyst with the catalyst is in a boiling state under the drive of the rising gas, the maximum efficiency of the catalyst is exerted, the proper cooling solvent is selected to control the catalyst to be in a saturation state at the cooling temperature, the cooling solution enters the middle-upper reactor shell through the cooling solution inlet, enters the outer falling film head under the uniform distribution of the cooling solution distributor, and the excessive cooling solution overflows through the cooling solution overflow reflux flow pipe, the cooling liquid passing through the outer falling film head is uniformly distributed on the outer wall of the inner tube by the outer falling film head and the outer falling film re-film former, the reaction heat is transferred to the cooling liquid through the inner tube, the cooling liquid absorbs the reaction heat and then is vaporized, the vaporized gas is discharged through the cooling liquid steam discharge port of the middle lower shell, the outer falling film re-film former is also arranged in the interlayer of the reaction tubes to redistribute and form a film on the cooling liquid, the overflow port of the re-film former and the exhaust port of the re-film former are uniformly arranged on the outer falling film re-film former, which is more favorable for the uniform film formation of the cooling liquid outside the inner tube, the film is evaporated under the saturation pressure, the temperature of each part of the outer wall of each reaction tube is uniform and equal, the concentration of the catalyst in each reaction tube is equal, the concentration of the reaction liquid phase and the reaction gas phase entering the reaction tubes are uniformly distributed under the distributor, the small filtering elements and the large filtering elements, the concentration of the amount of the substances in each reaction tube is kept equal, the heat release in the reactor is uniform, the temperature of each part of each reaction tube is equal, thereby realizing the isothermal control of the reactor.
Preferably, the temperature, the pressure, the liquid level and the flow of the whole system are controlled by a control system, so that the stability and the high efficiency of the equipment in the operation process are ensured.
The boiling isothermal reactor and the isothermal control process provided by the invention have the beneficial effects that: selecting a proper filter element to block the catalyst of the catalyst in the inner tube of the reactor; the liquid phase reaction material flows downwards and the reaction gas phase material flows upwards, and the catalyst is driven to be in a boiling state in the reaction tube by the staggered turbulence, so that the reaction is uniform, and the catalyst efficiency is effectively improved; the reaction heat is taken away by adopting the outer-pipe falling film evaporation, so that the heat exchange efficiency is improved; the temperature of the cooling solvent is controlled by the difference of saturation temperature under different saturation pressure, so that the temperature of the whole system is controlled to be stable and accurate. The process of gas-liquid reaction by adopting the boiling isothermal reactor has the advantages of simple process, convenient operation, low consumption, high control precision and less side reaction.
Drawings
FIG. 1 is a schematic view of a boiling isothermal reactor according to the present invention;
FIG. 2 is a schematic view of the large and small filtering elements of a boiling isothermal reactor according to the present invention;
FIG. 3 is a partial schematic view of the large and small filtering elements of a boiling isothermal reactor according to the present invention;
FIG. 4 is a schematic top view of the large and small filtering elements of a boiling isothermal reactor according to the present invention;
FIG. 5 is a sectional view of the inner tube structure of a boiling isothermal reactor according to the present invention;
FIG. 6 is a sectional view of an inner tube and outer falling film tube installation structure of a boiling isothermal reactor according to the present invention;
FIG. 7 is a schematic top sectional view of an outer tube film dropping head of the boiling isothermal reactor according to the present invention;
FIG. 8 is a schematic structural diagram of a membrane redistributor of a boiling isothermal reactor according to the present invention;
FIG. 9 is a schematic structural diagram of an outer tube redistributor of a boiling isothermal reactor according to the present invention.
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.
Referring to fig. 1-9, a boiling isothermal reactor comprises an upper shell a, a middle upper shell B, a middle shell C, a middle lower shell D and a lower shell E, and the adjacent shells are communicated with each other, the upper shell a is internally provided with an air outlet pipe orifice 1, a foam catcher 2, a liquid inlet pipe 3 and a liquid inlet distributor 17, the liquid inlet distributor 17 is arranged in the middle of the upper shell a and is communicated with the liquid inlet pipe 3, the foam catcher 2 is arranged at the bottom of the air outlet pipe orifice 1 and is positioned at the inner top of the upper shell a; the middle-upper shell B is internally provided with a large filtering element 4, a small filtering element 5, a cooling liquid inlet 11, a cooling liquid overflow port 7, a cooling liquid distributor 18 and an outer falling film head 8, the outer falling film head 8 is arranged at two sides of the top of the small filtering element 5, and the large filtering element 4 is positioned at the upper end of the small filtering element 5; an inner tube 6, an outer falling film tube 9, a reaction catalyst 10 and an outer falling film re-filming device 29 are arranged in the middle shell C; the middle lower shell D is internally provided with a small filter element 5 and a large filter element 4 which have the same structure as the middle upper shell B, a cooling liquid outlet 12 and a cooling liquid steam outlet 33; the lower case E is provided therein with an air inlet 13, an air inlet distributor 15, and a reaction liquid discharge port 14.
The two ends of the inner tube 6 are provided with the small filter element 5 and the large filter element 4, the outside of the inner tube 6 is provided with the non-fixed tube plate, the small filter element 5 and the large filter element 4 are respectively fixed on the inner tube 6 through the 0-type soft sealing ring 20 and the non-fixed tube plate by the fastening nut 21 and the fastening bolt 27, and the selection of the large filter element and the small filter element not only separates the catalyst, reduces the consumption of the catalyst, but also promotes the uniform distribution of reaction materials.
A wedge-shaped gasket 19 is arranged between the inner tube 6 and the non-fixed tube plate, and the wedge-shaped gasket 19 can better relieve the adverse effect of the deformation generated by the cold and heat of the equipment on the equipment, so that the sealing property between the inner tube 6 and the non-fixed tube plate is ensured.
It all adopts spiral tangent line feeding structure to fall membrane head 8 outward, it adopts on the fixed tube sheet of mantle fiber structure installation to fall membrane head 8 outward, it adopts the expanded welding structure and fixed tube sheet fixed linking to each other to fall membrane tube 9 outward, the inner tube 6 that will install big filter element 4 and little filter element 5 in advance penetrates outer falling membrane tube 9, then with inner tube 6 location installation in well inferior valve body D, it will install outer falling membrane re-film former 29 between inner tube 6 and outer falling membrane tube 9 before inner tube 6 is sheathe in to fall membrane head 8 outward, it will install on falling membrane head 8 again membrane former connecting rod 24 after inner tube 6 is sheathe in to fall membrane head 8 outward, it will drive outer falling membrane re-film former 29 rotation when falling membrane head 8 fastens on fixed tube sheet outward.
The outer falling film re-film former 29 is provided with a re-film former overflow port 22, a re-film former exhaust port 23 and a re-film former connecting hole 26, and the upper end of the outer falling film re-film former is also connected with a re-film former connecting pull rod 24.
An outer falling film head fastening outer hexagon 25 is arranged on the outer side of the outer falling film head 8, an outer falling film head exhaust hole 30 and an outer falling film head spiral feeding seam 31 are further arranged on the outer falling film head, and a regenerated film device pull rod fixing nut 32 is further arranged on the outer falling film head 8.
Liquid phase reaction materials are fed from the liquid inlet pipe 3 of the upper shell, pass through the liquid inlet distributor 17 and the upper large filter element 4, are uniformly distributed under the stirring of ascending gas, pass through the upper small filter element 5, and enter the inner pipe 6 from the upper part. Gas-phase reaction substances are fed from an air inlet 13 of the lower shell E, pass through an air inlet distributor 15 and the lower large filter element 4, are uniformly distributed, and then enter the inner pipe 6 from the lower part through the lower small filter element 5. The inner tube 6 is pre-filled with a proper amount of catalyst 10, the large and small filter elements block the catalyst in the respective reaction tubes, and the catalyst 10 is uniformly distributed in the inner tube 6 in a boiling state under the drive of gas-liquid turbulence. The big and small filter elements not only effectively block the catalyst from flowing out, but also keep good passing performance under the double-phase action of liquid phase depression and gas congestion, and are not easy to cause blockage. The upper middle case B is provided with a cooling solvent inlet 11. And (3) selecting a proper cooling solvent according to the reaction temperature, distributing the cooling solvent by a cooling liquid distributor 18, and then feeding the cooling solvent into the inner spiral film falling holes 31 of the outer film falling head 8, wherein the cooling liquid is uniformly distributed on the outer wall of the inner tube 6 by the outer film falling head 8. An outer falling film re-filming device 29 is also arranged in a jacket formed by the inner pipe of the outer pipe, and the outer falling film re-filming device 29 ensures that the film of the cooling liquid can be uniformly distributed on the outer wall of the whole inner pipe 6. The re-film former overflow port 22 and re-film former exhaust port 23 on the external falling film re-film former 29 will promote the uniformity of the outer film. The cooling solvent is at the saturation temperature at the appropriate saturation pressure. The temperature of each point outside the wall of the reaction tube of the whole reactor is in a uniform state, the proper temperature inside and outside the reaction tube is kept, the cooling liquid in the cooling liquid film absorbs the heat transferred through the wall of the reaction tube to be vaporized, and the vaporized gas is discharged through the middle and lower shell exhaust pipes. The cooling system exchanges heat through the heat exchanger outside, and the saturated pressure of the cooling system is controlled to accurately control the reaction temperature.
The invention also provides an isothermal control process of the boiling isothermal reactor, which specifically comprises the following steps:
catalyst with proper amount is filled in the inner pipe 6 of the reactor in advance, reaction liquid phase material enters from the liquid inlet pipe 3, enters the inner pipe 6 through the large filtering element 4 and the small filtering element 5 by the liquid inlet distributor 17, reaction gas passes through the gas inlet distributor 15 to be uniformly distributed by the gas inlet 13, enters the reaction pipe through the large filtering element 4 in the middle-lower shell and the small filtering element 5 of the inner pipe 6, the reaction gas and the reaction liquid carry out chemical reaction under the action of the catalyst in the inner pipe 6, at the moment, the catalyst with the catalyst is in a boiling state under the driving of rising gas, the maximum efficiency of the catalyst is exerted, proper cooling solvent is selected to control the catalyst to be in a saturation state at a cooling temperature, the cooling solution enters the middle-upper reactor shell through the cooling liquid inlet 11, and enters the outer falling membrane head 8 under the uniform distribution of the cooling liquid distributor 18, excessive cooling liquid flows back through a cooling liquid overflow pipe, the cooling liquid passing through the outer falling film head 8 is uniformly coated on the outer wall of the inner pipe 6 by the outer falling film head 8 and the outer falling film re-film former 29, reaction heat is transferred to the cooling liquid through the inner pipe 6, the cooling liquid absorbs the reaction heat and then is vaporized, the vaporized gas is discharged through a cooling liquid steam discharge port 33 of the middle and lower shells, an outer falling film re-film former 29 is further arranged in the interlayer of the reaction pipe to redistribute and form a film for the cooling liquid, the outer falling film re-film former 29 is uniformly provided with a re-film former overflow port 22 and a re-film former exhaust port 23, the cooling liquid is more favorable for uniformly forming a film outside the inner pipe 6, the film is evaporated under saturation pressure, the temperatures of all the outer walls of all the reaction pipes are uniformly equal, the catalyst concentrations in all the reaction pipes are equal, and the reaction liquid phase and the reaction gas phase entering the reaction pipes are uniformly distributed under the distributors, the small filtration elements 5 and the large filtration elements 4, the concentration of the amount of the substance is kept equal in each reaction tube, the reaction releases heat uniformly in the reactor, and the temperature of each part of each reaction tube is equal, so that the isothermal control of the reactor is realized.
The temperature, pressure, liquid level and flow of the whole system are controlled by adopting a DCS control system, so that the stability and high efficiency of the equipment in the operation process are ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a boiling isothermal reactor, includes casing (A), well casing (B) of going up, middle part casing (C), well casing (D) and casing (E) down, and communicate its characterized in that each other between its adjacent casing: an air outlet pipe orifice (1), a foam catcher (2), a liquid inlet pipe (3) and a liquid inlet distributor (17) are arranged in the upper shell (A); a large filtering element (4), a small filtering element (5), a cooling liquid inlet (11), a cooling liquid overflow port (7), a cooling liquid distributor (18) and an outer falling film head (8) are arranged in the middle-upper shell (B); an inner tube (6), an outer falling film tube (9), a reaction catalyst (10) and an outer falling film re-film former (29) are arranged in the middle shell (C); a small filtering element (5) and a large filtering element (4) which have the same structure as the middle upper shell (B), a cooling liquid outlet (12) and a cooling liquid steam outlet (33) are arranged in the middle lower shell (D); an air inlet (13), an air inlet distributor (15) and a reaction liquid discharge port (14) are arranged in the lower shell (E); the two ends of the inner tube (6) are provided with small filter elements (5) and large filter elements (4), the outer side of the inner tube (6) is provided with a non-fixed tube plate, and the small filter elements (5) and the large filter elements (4) are fixed on the inner tube (6) through fastening nuts (21) and fastening bolts (27) by using 0-type soft seal rings (20) and the non-fixed tube plate; the large filtering element (4) is arranged outside the small filtering element (5) to ensure that the reaction catalyst (10) is not lost; the outer falling film heads (8) are of spiral tangent feeding structures, the outer falling film heads (8) are installed on a fixed tube plate by adopting an outer thread structure, outer falling film tubes (9) are fixedly connected with the fixed tube plate by adopting an expansion welding structure, inner tubes (6) which are pre-installed with large filtering elements (4) and small filtering elements (5) penetrate into the outer falling film tubes (9), then the inner tubes (6) are installed in a middle-lower shell (D) in a positioning mode, an outer falling film re-forming device (29) is installed between the inner tubes (6) and the outer falling film tubes (9) before the inner tubes (6) are sleeved on the outer falling film heads (8), the outer falling film re-forming device is installed on the outer falling film heads (8) by connecting pull rods (24) after the inner tubes (6) are sleeved on the outer falling film heads (8), and the outer falling film re-forming device (29) is driven to rotate when the outer falling film heads (8) are fastened on the fixed tube plate; the outer falling film re-film forming device (29) is provided with a re-film forming device overflow port (22), a re-film forming device exhaust port (23) and a re-film forming device connecting hole (26), and the upper end of the outer falling film re-film forming device is also connected with a re-film forming device connecting pull rod (24); outer falling membrane head (8) outside is provided with outer falling membrane head fastening outer hexagon (25), and its upper end still is provided with outer falling membrane head exhaust hole (30) and outer falling membrane head spiral feed seam (31), outer falling membrane head (8) still is provided with regeneration membrane ware pull rod fixation nut (32).
2. The boiling isothermal reactor according to claim 1, wherein a wedge-shaped gasket (19) is arranged between the inner tube (6) and the non-fixed tube plate, and the wedge-shaped gasket (19) can better alleviate adverse effects of deformation caused by cold and heat of the equipment on the equipment, so as to ensure the tightness between the inner tube (6) and the non-fixed tube plate.
3. Isothermal control process of a boiling isothermal reactor, using the boiling isothermal reactor of claim 1, characterized in that: the method specifically comprises the following steps:
the catalyst with proper amount is filled in the inner pipe (6) of the reactor in advance, the reaction liquid phase material enters from the liquid inlet pipe (3), enters into the inner pipe (6) through the large filtering element (4) and the small filtering element (5) through the liquid inlet distributor (17), the reaction gas is uniformly distributed through the gas inlet distributor (15) through the gas inlet (13), enters into the reaction pipe through the large filtering element (4) in the middle lower shell and the small filtering element (5) of the inner pipe (6), the reaction gas and the reaction liquid carry out chemical reaction under the action of the catalyst in the inner pipe (6), at the moment, the catalyst with the catalyst is in a boiling state under the driving of the rising gas, the maximum efficiency of the catalyst is exerted, selecting a proper cooling solvent to control the cooling solvent to be in a saturation state at a cooling temperature, enabling the cooling solution to enter a middle-upper reactor shell through a cooling solution inlet (11), enabling the cooling solution to enter an outer falling film head (8) under the uniform distribution of a cooling solution distributor (18), enabling excessive cooling solution to flow back through a cooling solution overflow pipe, enabling the cooling solution passing through the outer falling film head (8) to be uniformly coated on the outer wall of an inner pipe (6) through the outer falling film head (8) and an outer falling film re-filming device (29), transmitting reaction heat to the cooling solution through the inner pipe (6), enabling the cooling solution to be vaporized after absorbing the reaction heat, discharging vaporized gas through a cooling solution steam outlet (33) of the middle-lower shell, and arranging an outer falling film re-filming device (29) in an interlayer of a reaction pipe to redistribute and form a film on the cooling solution, an overflow port (22) of the re-film forming device and an exhaust port (23) of the re-film forming device are uniformly arranged on the outer falling film re-film forming device (29), so that the uniform film forming of cooling liquid outside the inner pipe (6) is facilitated, the film is evaporated under the saturation pressure, the temperature of each part of the outer wall of each reaction pipe is uniform, the concentration of the catalyst in each reaction pipe is equal, the reaction liquid phase and the reaction gas phase entering the reaction pipes are uniformly distributed by the distributor, the small filtering element (5) and the large filtering element (4), the concentration of the substance quantity of each reaction pipe is equal, the heat in the reaction pipes is uniformly released, the temperature of each part of each reaction pipe is equal, and the isothermal control of the reactor is realized.
4. The isothermal control process of the boiling isothermal reactor according to claim 3, wherein the temperature, pressure, liquid level and flow rate of the whole system are controlled by a DCS control system, so as to ensure the stability and high efficiency of the equipment in the operation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059595.1A CN106732209B (en) | 2017-01-24 | 2017-01-24 | Boiling type isothermal reactor and isothermal control process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059595.1A CN106732209B (en) | 2017-01-24 | 2017-01-24 | Boiling type isothermal reactor and isothermal control process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106732209A CN106732209A (en) | 2017-05-31 |
| CN106732209B true CN106732209B (en) | 2023-01-20 |
Family
ID=58941864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710059595.1A Active CN106732209B (en) | 2017-01-24 | 2017-01-24 | Boiling type isothermal reactor and isothermal control process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106732209B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929733B (en) * | 2018-12-28 | 2023-06-09 | 中山康海泰晟生物技术有限公司 | Adjustable aperture reactor nozzle |
| CN114247386B (en) * | 2021-11-24 | 2023-10-13 | 中国五环工程有限公司 | Evaporation type isothermal hydrogenation reaction method and evaporation type isothermal reaction system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461730A (en) * | 2002-05-16 | 2003-12-17 | 赫多特普索化工设备公司 | Carbon monoxide transformation technical and reactor |
| CN2669122Y (en) * | 2003-12-03 | 2005-01-05 | 上海化工研究院 | Degradable film evaporator |
| CN201348462Y (en) * | 2009-01-09 | 2009-11-18 | 石家庄工大化工设备有限公司 | Film distributor for vertical tube falling film absorber |
| CN202802799U (en) * | 2012-05-11 | 2013-03-20 | 合肥宁垣工程技术有限责任公司 | Film falling liquid distributor |
| CN203316109U (en) * | 2013-06-21 | 2013-12-04 | 北京东方红升新能源应用技术研究院有限公司 | Gas-liquid phase shell-and-tube type trickle bed solid-phase catalytic reactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO145589C (en) * | 1977-06-30 | 1982-04-21 | Rosenblad Corp | PROCEDURE FOR THE CONDENSATION OF STEAM IN A HEAT EXCHANGE AND A HEAT EXCHANGE FOR USE IN THE PROCEDURE |
-
2017
- 2017-01-24 CN CN201710059595.1A patent/CN106732209B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461730A (en) * | 2002-05-16 | 2003-12-17 | 赫多特普索化工设备公司 | Carbon monoxide transformation technical and reactor |
| CN2669122Y (en) * | 2003-12-03 | 2005-01-05 | 上海化工研究院 | Degradable film evaporator |
| CN201348462Y (en) * | 2009-01-09 | 2009-11-18 | 石家庄工大化工设备有限公司 | Film distributor for vertical tube falling film absorber |
| CN202802799U (en) * | 2012-05-11 | 2013-03-20 | 合肥宁垣工程技术有限责任公司 | Film falling liquid distributor |
| CN203316109U (en) * | 2013-06-21 | 2013-12-04 | 北京东方红升新能源应用技术研究院有限公司 | Gas-liquid phase shell-and-tube type trickle bed solid-phase catalytic reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106732209A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9751773B1 (en) | Ammonia synthesis system and method | |
| CN106732209B (en) | Boiling type isothermal reactor and isothermal control process | |
| CN101024603B (en) | Methanol absorbing system | |
| CN203533519U (en) | Horizontal intermittent blowdown flash tank | |
| RU2552623C2 (en) | Heat exchanger for cooling of hot gases, and heat exchange system | |
| CN105833804A (en) | Steam rising type radial-flow reactor | |
| CN206014415U (en) | A kind of anthraquinone fixed bed reactors for producing hydrogen peroxide | |
| CN202876771U (en) | Industrialized plate type reactor for preparing glycol by oxalate hydrogenation or alcohol by ester hydrogenation | |
| CN218923828U (en) | Anti-blocking condensing device for rectifying tower | |
| CN202740795U (en) | Tangential feeding efficient falling film evaporator | |
| CN2785674Y (en) | Raw material liquid evaporation device possessing liquid distributor mounted in fluid bed | |
| CN106610237A (en) | Novel carbon dioxide cooling device | |
| CN100569725C (en) | Formaldehyde absorbing method and system | |
| CN201988202U (en) | Ammonia evaporating system in process of preparing acrylonitrile through propylene ammoniation and oxidation | |
| CN202762277U (en) | Cylindrical block hole type graphite falling film absorber | |
| CN207786553U (en) | Methyl alcohol synthetic reactor support plate | |
| CN207493455U (en) | A kind of vehicular glycol dehydration device and absorption system | |
| CN106621444B (en) | A kind of novel double down film melting crystallizer and the technique for carrying out substance separation | |
| CN206444581U (en) | A kind of methyl alcohol synthetic reactor | |
| CN109999619A (en) | A kind of wrap-round tubular heat exchanger absorbed for gas | |
| CN206587724U (en) | A kind of new boiling type isothermal reactor | |
| CN215310264U (en) | High-purity organic solvent recovery circulation system | |
| CN216879280U (en) | Barrel type reactor | |
| CN210206786U (en) | Vinyl acetate synthesis reactor | |
| CN109045743A (en) | The novel double down film melting crystallizer of one kind and its substance separating technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |