CN205965792U - Gas heat exchange type isothermal reactor - Google Patents
Gas heat exchange type isothermal reactor Download PDFInfo
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- CN205965792U CN205965792U CN201620652994.XU CN201620652994U CN205965792U CN 205965792 U CN205965792 U CN 205965792U CN 201620652994 U CN201620652994 U CN 201620652994U CN 205965792 U CN205965792 U CN 205965792U
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Abstract
The utility model discloses a gas heat exchange type isothermal reactor is equipped with thermosynthesis gas entry, cold synthetic gas export, the export of thermosynthesis gas and cold synthetic gas import on the shell, air distributor establishes in thermosynthesis gas entrance, and a gaseous radial distribution section of thick bamboo and gas cylinder are established between air distributor and the export of thermosynthesis gas, a gaseous radial distribution section of thick bamboo and gas cylinder extend along the axis direction of shell, and the gas cylinder setting is at the center of a gaseous radial distribution section of thick bamboo, and the lower extreme of gas cylinder intercommunication thermosynthesis gas exports, pipe sub -assembly tied in a bundle is established between a gaseous radial distribution section of thick bamboo and gas cylinder and is extended along the axis direction of shell, the upper end and the cold synthetic gas export intercommunication of pipe sub -assembly tied in a bundle, and lower extreme and cold synthetic gas import intercommunication, pipe sub -assembly tied in a bundle becomes a cavity that is used for placing the catalyst by circumference of cannon bone tied in a bundle, the cavity is the shrink of upper and lower both ends, cavity broad in the middle, the utility model discloses operating temperature is steady, gas distribution is even, can maximize and be difficult for the leakage.
Description
Technical field
This utility model belongs to technical field of chemical, is a kind of Vertical Combination formula reactor, specifically a kind of
High-efficient axial or the gas-gas heat exchange type isothermal reactor radially removing heat with air cooling.
Background technology
At present, chemical reactor species is various, removes in such heat exchange type isothermal reactor structure of heat with gas
It is all substantially the shell-and-tube reactor using large tubesheet.Its shortcoming is to use large tubesheet, manufacture on should not maximize, solder joint
Many, this structure is mainly all axial tower simultaneously, thus tower resistance is big.Even if exempting to pretend for radial reactor, its gas
It is to be distributed from outside to inside, gas distributed pole is uneven.In sum, current such gas-gas heat exchange type isothermal reactor exists
Major defect is：Leakage point is many, poor stability, gas skewness, be difficult to maximize, reactor involves great expense.
Utility model content
The purpose of this utility model is for existing gas-gas heat exchange type isothermal reactor leakage point is many, poor stability, gas
Skewness, be difficult to maximize, reactor is the problems such as involve great expense, and a kind of running temperature designing steadily, gas distribution
Uniformly, can maximize and antileakaging vertical gas gas heat exchange type isothermal reactor.
Concrete technical scheme of the present utility model is as follows：
When unstripped gas is with radial flow, gas-gas heat exchange type isothermal reactor, including shell, it is provided with heat seal at the top of shell
Become gas entrance and cold syngas outlet, the bottom of shell is provided with hot synthesis gas outlet and cold synthesis gas import；In described inside the shell
It is provided with bundle pipes molectron, gas distributor, gas radial distribution cylinder and gas collecting jar with ground-on cover plate；Gas distributor is located at hot synthesis gas entrance
Place, gas radial distribution cylinder and gas collecting jar with ground-on cover plate are located between gas distributor and hot synthesis gas outlet；Gas radial distribution cylinder and collection
Inflator extends along the axis direction of shell, and gas collecting jar with ground-on cover plate is arranged on the center of gas radial distribution cylinder, the lower end connection heat of gas collecting jar with ground-on cover plate
Syngas outlet；Bundle pipes molectron is located between gas radial distribution cylinder and gas collecting jar with ground-on cover plate and the axis direction along shell extends,
The upper end of bundle pipes molectron is connected with cold syngas outlet, lower end and cold synthesis gas inlet communication, and bundle pipes molectron is by collecting
Beam tube surrounds one for placing the cavity of catalyst, and described cavity is upper/lower terminal contraction, cavity broad in the middle；
It is provided with the fixed mount having baffling effect and fixing bundle pipes concurrently in gas radial distribution cylinder；Fixed mount setting exists
Pars intermedia in gas radial distribution cylinder, fixed mount can be made using the rod member of steel, and rod member is fixed on a circle
On ring, this annulus is fixed on the inwall of gas radial distribution cylinder, and rod member is perpendicular to bundle pipes；Or directly rod member is fixed on
On the inwall of gas radial distribution cylinder, and make rod member vertical with bundle pipes；Bundle pipes are fixed on rod member, and fixed form can be adopted
With pipe clamp, pipe clamp or like, bundle pipes are fixed on rod member；Because rod member is vertical with bundle pipes, pass through in hot synthesis gas
During rod member, rod member can play the effect of disturbance, play baffling effect, make this heat exchanger become rod baffle heat exchanger；
The tube side of bundle pipes molectron is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold conjunction
Become gas import to enter the tube side of bundle pipes molectron, flow out through cold syngas outlet, then enter boundling through hot synthesis gas entrance
The shell side of pipe molectron, exports through hot synthesis gas after reaction and flows out, and cold synthesis gas and hot synthesis gas are complete by bundle pipes molectron
Become heat exchange.
In this programme, using the heat transfer type of bundle pipes, the gas inside and outside bundle pipes interlocks and flows, and carries out heat exchange,
Make the temperature held stationary in reactor；Because bundle pipes are fixed on fixed mount, decrease the vibration of bundle pipes, it is to avoid
Indivedual bundle pipes are abutted together, and what impact was reacted is smoothed out.
Unstripped gas, after gas distributor distribution, carries out multidirectional effluent, the flowing side of whole unstripped gas between bundle pipes
To ecto-entad flowing, make the reaction of unstripped gas more abundant, output increased.The cold synthesis gas of the flowing in bundle pipes and bundle pipes
The hot synthesis gas of outer flowing are same gas, and the inside and outside pressure reduction of pipe is less, improves the operation degree of safety of whole reactor.
Operationally, cold synthesis gas enters reactor from cold synthesis gas import, flows out from cold syngas outlet, hot synthesis gas
After gas distributor, enter between bundle pipes through gas radial distribution cylinder, react in the presence of catalyst, reaction
Hot synthesis gas afterwards enter gas collecting jar with ground-on cover plate, then flow out from outer casing underpart；The heat that reaction produces is by the cold synthesis gas in bundle pipes
Take away.
Further, described bundle pipes molectron is at least divided into three bundle pipes groups, cold syngas outlet and cold synthesis gas to enter
The quantity of mouth is all identical with the quantity of bundle pipes group and corresponds；The upper end of each bundle pipes group is gone out with corresponding cold synthesis gas
It is provided with a upper perforated plate, a upper cover and type metal expansion joint, described upper perforated plate is fixing with corresponding upper cover even between mouthful
Connect, between upper perforated plate and upper cover, form the first cavity, the upper end of each bundle pipes group is fixed on corresponding upper perforated plate, and according to
Secondary connect cold syngas outlet with type metal expansion joint through upper cover；The lower end of each bundle pipes group and corresponding cold synthesis gas import
Between be provided with a lower perforated plate and a low head, described lower perforated plate is fixedly connected with corresponding low head, lower perforated plate with
Form the second cavity between end socket, the lower end of each bundle pipes group is fixed on corresponding lower perforated plate, and connect through low head cold
Synthesis gas import.
Bundle pipes molectron is grouped, each bundle pipes group arrange corresponding lower perforated plate, low head, upper perforated plate, on
After end socket and type metal expansion joint, it is to avoid using single large tubesheet and corresponding adnexa, reduce reactor building block
Size, need not be using special customization part, it is possible to use conventional standard component, for example small-sized tube sheet of standard, end socket and
Corresponding accessory, this is not only advantageous to improve the machining accuracy of part, and reduces the installation difficulty of reactor, is conducive to improving reaction
The installation accuracy of device, improves the interchangeability of building block simultaneously, it is possible to decrease the maintenance cost of reactor；By bundle pipes molectron
It is grouped, is reduced installation difficulty, the diameter of reactor can be improved, expanded the reaction capacity of single reactor.Expansion of metal
Energy-conservation enough eliminates the deformation that corresponding pipeline caused due to temperature change it is ensured that the safety of reactor.
Further, the bundle pipes of described bundle pipes molectron are the stainless steel tube of bending, and bundle pipes are evenly arranged.Will be common
Stainless steel tube bending after make bundle pipes, it is to avoid using welding manner make bundle pipes, the quantity of weld seam can be reduced, not only subtract
Lack the use of wlding, decreased leak point, also reduced detection time and the testing cost of weld seam, improve the system of reactor
Make efficiency, reduce manufacturing expense.
Further, the lower end in shell is provided with the Multifunctional mouth for maintainer's turnover and catalyst self-unloading, many work(
The setting of energy mouth can reduce the quantity of perforate on shell, improve the intensity of shell, decrease the total amount of weld seam on shell, protects
Demonstrate,prove the sealing of shell.
When reaction gas is axially to flow, gas-gas heat exchange type isothermal reactor, including shell, it is provided with heat seal at the top of shell
Become gas entrance and cold syngas outlet, the bottom of shell is provided with hot synthesis gas outlet and cold synthesis gas import；In described inside the shell
It is provided with bundle pipes molectron, gas distributor and collection chamber；Gas distributor is located at hot synthesis gas porch, collection chamber connection heat
Syngas outlet；Bundle pipes molectron is located between hot synthesis gas entrance and collection chamber and the axis direction along shell extends, collection
The upper end of beam tube molectron is connected with cold syngas outlet, lower end and cold synthesis gas inlet communication, and bundle pipes molectron is by boundling
Pipe surrounds one for placing the cavity of catalyst, and described cavity is upper/lower terminal contraction, cavity broad in the middle；
It is provided with the fixed mount having baffling effect and fixing bundle pipes concurrently in inside the shell；Fixed mount setting is in inside the shell
Between portion；Fixed mount can be made using the rod member of steel, and rod member is fixed on an annulus, and this annulus is fixed on shell
Inwall on；Or directly rod member is fixed on the inwall of shell.Bundle pipes are fixed on rod member, and fixed form can adopt
Bundle pipes are fixed on rod member for pipe clamp, pipe clamp or like；Because rod member is vertical with bundle pipes, in hot synthesis gas through bar
During part, rod member can play the effect of disturbance, play baffling effect, make this heat exchanger become rod baffle heat exchanger；
The tube side of bundle pipes molectron is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold conjunction
Become gas import to enter the tube side of bundle pipes molectron, flow out through cold syngas outlet, then enter boundling through hot synthesis gas entrance
The shell side of pipe molectron, exports through hot synthesis gas after reaction and flows out, and cold synthesis gas and hot synthesis gas are complete by bundle pipes molectron
Become heat exchange.
In this programme, using the heat transfer type of bundle pipes, the gas inside and outside bundle pipes interlocks and flows, and carries out heat exchange,
Make the temperature held stationary in reactor；Because bundle pipes are fixed on fixed mount, decrease the vibration of bundle pipes, it is to avoid
Indivedual bundle pipes are abutted together, and what impact was reacted is smoothed out.
Unstripped gas, after gas distributor distribution, carries out multidirectional effluent, the flowing side of whole unstripped gas between bundle pipes
To ecto-entad flowing, make the reaction of unstripped gas more abundant, output increased.The cold synthesis gas of the flowing in bundle pipes and bundle pipes
The hot synthesis gas of outer flowing are same gas, and the inside and outside pressure reduction of pipe is less, improves the operation degree of safety of whole reactor.
Operationally, cold synthesis gas enters reactor from cold synthesis gas import, flows out from cold syngas outlet, hot synthesis gas
After gas distributor, enter between bundle pipes, react in the presence of catalyst, reacted hot synthesis gas enter
Collection chamber, then flows out from outer casing underpart；The heat that reaction produces is taken away by the cold synthesis gas in bundle pipes.
Further, described bundle pipes molectron is at least divided into three bundle pipes groups, cold syngas outlet and cold synthesis gas to enter
The quantity of mouth is all identical with the quantity of bundle pipes group and corresponds；
It is provided with a upper perforated plate, a upper cover between the upper end of each bundle pipes group and corresponding cold syngas outlet
And type metal expansion joint, described upper perforated plate is fixedly connected with corresponding upper cover, forms the first cavity between upper perforated plate and upper cover,
The upper end of each bundle pipes group is fixed on corresponding upper perforated plate, and connects cold synthesis gas with type metal expansion joint through upper cover successively
Outlet；
It is provided with envelope under a lower perforated plate and between the lower end of each bundle pipes group and corresponding cold synthesis gas import
Head, described lower perforated plate is fixedly connected with corresponding low head, forms the second cavity between lower perforated plate and low head, each bundle pipes
The lower end of group is fixed on corresponding lower perforated plate, and connects cold synthesis gas import through low head.
Bundle pipes molectron is grouped, each bundle pipes group arrange corresponding lower perforated plate, low head, upper perforated plate, on
After end socket and type metal expansion joint, it is to avoid using single large tubesheet and corresponding adnexa, reduce reactor building block
Size, need not be using special customization part, it is possible to use conventional standard component, for example small-sized tube sheet of standard, end socket and
Corresponding accessory, this is not only advantageous to improve the machining accuracy of part, and reduces the installation difficulty of reactor, is conducive to improving reaction
The installation accuracy of device, improves the interchangeability of building block simultaneously, it is possible to decrease the maintenance cost of reactor；By bundle pipes molectron
It is grouped, is reduced installation difficulty, the diameter of reactor can be improved, expanded the reaction capacity of single reactor.Expansion of metal
Energy-conservation enough eliminates the deformation that corresponding pipeline caused due to temperature change it is ensured that the safety of reactor.
Further, the bundle pipes of described bundle pipes molectron are the stainless steel tube of bending, and bundle pipes are evenly arranged.Will be common
Stainless steel tube bending after make bundle pipes, it is to avoid using welding manner make bundle pipes, the quantity of weld seam can be reduced, not only subtract
Lack the use of wlding, also reduced detection time and the testing cost of weld seam, improve the make efficiency of reactor, reduce
Manufacturing expense.
Further, the lower end in shell is provided with the Multifunctional mouth for maintainer's turnover and catalyst self-unloading.Many work(
The setting of energy mouth can reduce the quantity of perforate on shell, improve the intensity of shell, decrease the total amount of weld seam on shell, protects
Demonstrate,prove the sealing of shell.
Brief description
Fig. 1 is this utility model embodiment radial flow reactors structural representation.
Fig. 2 is this utility model embodiment axial flow reactor structural representation.
Fig. 3 is bundle pipes schematic diagram.
Fig. 4 is the sketch of the fixed mount in embodiment illustrated in fig. 1.
Fig. 5 is the sketch of the fixed mount in embodiment illustrated in fig. 2.
In figure：1- hot synthesis gas entrance；2- manhole；3- radial flow shell；4- axially flows shell；5- low head；The many work(of 6-
Can mouth；7- cold synthesis gas import；8- hot synthesis gas export；9- gas radial distribution cylinder；10- gas collecting jar with ground-on cover plate；11- catalyst；12- collection
Beam tube molectron；13- upper cover；14- gas distributor；The cold syngas outlet of 15-；16- collection chamber；17- bundle pipes；20- gold
Belong to expansion joint；21- fixed mount.
Specific embodiment
Following combination accompanying drawing and enforcement example are to this utility model further instruction.
Refer to Fig. 1 and Fig. 3, when unstripped gas is with radial flow, gas-gas heat exchange type isothermal reactor includes radial flow shell
3, it is provided with hot synthesis gas entrance 1 and cold syngas outlet 15 at the top of radial flow shell, the bottom of radial flow shell is provided with heat
Syngas outlet 8 and cold synthesis gas import 7；Described radial flow inside the shell be provided with bundle pipes molectron 12, gas distributor 14,
Gas radial distribution cylinder 9 and gas collecting jar with ground-on cover plate 10；Gas distributor 14 is located at hot synthesis gas entrance 1, gas radial distribution cylinder 9 and collection
Inflator 10 is located between gas distributor 14 and hot synthesis gas outlet 8；Gas radial distribution cylinder 9 and gas collecting jar with ground-on cover plate 10 radially flow outward
The axis direction of shell extends, and gas collecting jar with ground-on cover plate 10 is arranged on the center of gas radial distribution cylinder 9, the lower end connection thermal synthesis of gas collecting jar with ground-on cover plate 10
Gas outlet 8；Bundle pipes molectron 12 is located at the axis side between gas radial distribution cylinder 9 and gas collecting jar with ground-on cover plate 10 and radially flowing shell
To extension, the upper end of bundle pipes molectron 12 is connected with cold syngas outlet 15, and lower end is connected with cold synthesis gas import 7, boundling
Pipe molectron 12 surrounds a cavity for placing catalyst 11 by bundle pipes, and described cavity shrinks for upper/lower terminal, middle
Big cavity；
It is provided with the fixed mount 21 having baffling effect and fixing bundle pipes concurrently in gas radial distribution cylinder 9；
The tube side of bundle pipes molectron 12 is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold
Synthesis gas import 7 enters the tube side of bundle pipes molectron 12, flows out through cold syngas outlet 15, then through hot synthesis gas entrance 1
Enter the shell side of bundle pipes molectron 12, through hot synthesis gas outlet 8 outflow after reaction, cold synthesis gas and hot synthesis gas pass through boundling
Pipe molectron 12 completes heat exchange.
Pars intermedia in gas radial distribution cylinder for the fixed mount setting, refering to Fig. 4, it is elongated that fixed mount includes be arrangeding in parallel
Rod member 25, rod member 25 is fixed on annulus 26, and annulus 26 is fixed on the inwall of gas radial distribution cylinder using spot welding mode,
Rod member, perpendicular to bundle pipes, with pipe clamp, bundle pipes 17 is fixed on rod member 25, exemplarily only shows part boundling in Fig. 4
Pipe 17.It is of course also possible to cancellation annulus, directly rod member 25 is fixed on the inwall of gas radial distribution cylinder, rod member is radially
The axis direction setting multiple row of stream shell, the spacing between adjacent column controls in 2-2.5 rice.Rod member adopts carbon steel material to make,
Each bundle pipes are fixed on rod member, on the one hand can be easily installed, and on the other hand can prevent the skew of bundle pipes；Due to rod member and collection
Beam tube is vertical, and when hot synthesis gas are through rod member, rod member can play the effect of disturbance, plays baffling effect, so that this heat exchanger is become
For rod baffle heat exchanger.
Bundle pipes molectron 12 is divided into three bundle pipes groups, cold syngas outlet 15 and cold synthesis gas import 7 respectively to arrange three
Individual and corresponding with three bundle pipes groups respectively, arrange one between each bundle pipes group and corresponding cold syngas outlet 15
Upper perforated plate, a upper cover 13 and a type metal expansion joint 20, upper perforated plate is fixedly connected with corresponding upper cover 13, upper perforated plate with
Form the first cavity, the upper end of bundle pipes group is fixed on corresponding upper perforated plate, and upper cover 13 is swollen through metal between upper cover 13
The swollen section 20 cold syngas outlet 15 of connection.
It is provided with envelope under a lower perforated plate and between the lower end of each bundle pipes group and corresponding cold synthesis gas import 7
5, lower perforated plate is fixedly connected with corresponding low head, forms the second cavity between lower perforated plate and low head, each bundle pipes group
Lower end be fixed on corresponding lower perforated plate, and connect cold synthesis gas import 7 through low head 5.
It is appreciated that bundle pipes molectron 12 is further divided into four, five, six, even more bundle pipes groups, respectively
Bundle pipes group is all correspondingly provided with cold syngas outlet, cold synthesis gas import, upper perforated plate, upper cover, type metal expansion joint, lower perforated plate
And low head.
The bundle pipes of bundle pipes molectron 12 are the stainless steel tube of bending, and bundle pipes are evenly arranged, between adjacent bundle pipes
Distance identical.Bundle pipes will be made, it is to avoid bundle pipes are made using welding manner, can reduce after common stainless steel tube bending
The quantity of weld seam, not only decreases the use of wlding, decreases leak point, also reduces detection time and the check fee of weld seam
With improve the make efficiency of reactor, reducing manufacturing expense.
The lower end of radial flow shell 3 is provided with the Multifunctional mouth 6 for maintainer's turnover and catalyst self-unloading, many work(
The setting of energy mouth can reduce the quantity of perforate on radial flow shell, improve the intensity of radial flow shell, decrease radial flow
On shell, the total amount of weld seam is it is ensured that the sealing of radial flow shell.
The upper end of radial flow shell 3 is provided with manhole 2.
Bundle pipes 17 are formed by straight tube bending, and overall is in the shape of a saddle, including four bending sections, the respectively first bending section
171st, the second bending section 172, the 3rd bending section 173 and the 4th bending section 174；The scope of the angle of bend of four bending sections is
95-175°.
Refer to Fig. 2 and Fig. 3, when reaction gas is axially to flow, gas-gas heat exchange type isothermal reactor includes axially flowing shell
4, it is provided with hot synthesis gas entrance 1 and cold syngas outlet 15 at the top of axially stream shell, axially the bottom of stream shell is provided with heat
Syngas outlet 8 and cold synthesis gas import 7；It is provided with bundle pipes molectron 12, gas distributor 14 in described axially stream inside the shell
With collection chamber 16；Gas distributor 14 is located at hot synthesis gas entrance 1, collection chamber 16 connection hot synthesis gas outlet 8；Bundle pipes group
Component 12 is located at the axis direction extension flowing shell between hot synthesis gas entrance 1 and collection chamber 16 and vertically, and bundle pipes combine
The upper end of part 12 is connected with cold syngas outlet 15, and lower end is connected with cold synthesis gas import 7, and bundle pipes molectron 12 is by bundle pipes
Surround one for placing the cavity of catalyst, described cavity is upper/lower terminal contraction, cavity broad in the middle；
It is provided with the fixed mount 21 having baffling effect and fixing bundle pipes concurrently in shell 4；
The tube side of bundle pipes molectron 12 is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold
Synthesis gas import 7 enters the tube side of bundle pipes molectron 12, flows out through cold syngas outlet 15, then through hot synthesis gas entrance 1
Enter the shell side of bundle pipes molectron 12, through hot synthesis gas outlet 8 outflow after reaction, cold synthesis gas and hot synthesis gas pass through boundling
Pipe molectron 12 completes heat exchange.
In the pars intermedia of inside the shell, refering to Fig. 5, fixed mount includes the elongated rod member 27 be arrangeding in parallel to fixed mount setting,
Rod member 27 is fixed on annulus 28, and annulus 28 is fixed on using spot welding mode on the inwall axially flowing shell 4, and rod member is perpendicular to collection
Beam tube, with pipe clamp, bundle pipes 17 is fixed on rod member 27, exemplarily only shows part bundle pipes 17 in Fig. 5.Certainly,
Annulus can be cancelled, directly rod member 27 is fixed on the inwall axially flowing shell 4, rod member flows the axis direction of shell vertically
Setting multiple row, the spacing between adjacent column controls in 2-2.5 rice.Rod member adopts carbon steel material to make, and each bundle pipes are fixed on bar
On part, on the one hand can be easily installed, on the other hand can prevent the skew of bundle pipes.Because rod member is vertical with bundle pipes, in heat seal
Become gas when rod member, rod member can play the effect of disturbance, play baffling effect, make this heat exchanger become deflection bar type heat exchange
Device.
Herein below is and reaction gas is described with gas-gas heat exchange type isothermal reactor when axially flowing.
Bundle pipes molectron 12 is divided into three bundle pipes groups, cold syngas outlet 15 and cold synthesis gas import 7 respectively to arrange three
Individual and corresponding with three bundle pipes groups respectively, arrange one between each bundle pipes group and corresponding cold syngas outlet 15
Upper perforated plate, a upper cover 13 and a type metal expansion joint 20, upper perforated plate is fixedly connected with corresponding upper cover 13, upper perforated plate with
Form the first cavity, the upper end of bundle pipes group is fixed on corresponding upper perforated plate, and upper cover 13 is swollen through metal between upper cover 13
The swollen section 20 cold syngas outlet 15 of connection.
It is provided with envelope under a lower perforated plate and between the lower end of each bundle pipes group and corresponding cold synthesis gas import 7
5, lower perforated plate is fixedly connected with corresponding low head, forms the second cavity between lower perforated plate and low head, each bundle pipes group
Lower end be fixed on corresponding lower perforated plate, and connect cold synthesis gas import 7 through low head 5.
It is appreciated that bundle pipes molectron 12 is further divided into four, five, six, even more bundle pipes groups, respectively
Bundle pipes group is all correspondingly provided with cold syngas outlet, cold synthesis gas import, upper perforated plate, upper cover, type metal expansion joint, lower perforated plate
And low head.
The bundle pipes of described bundle pipes molectron 12 are the stainless steel tube of bending, and bundle pipes are evenly arranged.By common not
Bundle pipes are made, it is to avoid bundle pipes are made using welding manner, the quantity of weld seam can be reduced, not only decrease after rust steel pipe bending
The use of wlding, also reduces detection time and the testing cost of weld seam, improves the make efficiency of reactor, reduce manufacture
Expense.
It is provided with the Multifunctional mouth 6 for maintainer's turnover and catalyst self-unloading in the lower end of axially stream shell 4.Many work(
The setting of energy mouth can reduce the quantity axially flowing perforate on shell, improve the intensity axially flowing shell, decrease axial stream
On shell, the total amount of weld seam is it is ensured that axially flow the sealing of shell.
The upper end of axially stream shell 4 is provided with manhole 2.
Bundle pipes 17 are formed by straight tube bending, and overall is in the shape of a saddle, including four bending sections, the respectively first bending section
171st, the second bending section 172, the 3rd bending section 173 and the 4th bending section 174；The scope of the angle of bend of four bending sections is
95-175°.
Claims (8)
1. gas-gas heat exchange type isothermal reactor, including shell (3), is provided with hot synthesis gas entrance (1) and cold conjunction at the top of shell
Become gas outlet (15), the bottom of shell is provided with hot synthesis gas outlet (8) and cold synthesis gas import (7) it is characterised in that described
Inside the shell is provided with bundle pipes molectron (12), gas distributor (14), gas radial distribution cylinder (9) and gas collecting jar with ground-on cover plate (10)；Gas
Distributor (14) is located at hot synthesis gas entrance (1) place, and gas radial distribution cylinder (9) and gas collecting jar with ground-on cover plate (10) are located at gas distributor
(14) and hot synthesis gas outlet (8) between；Gas radial distribution cylinder (9) and gas collecting jar with ground-on cover plate (10) extend along the axis direction of shell,
Gas collecting jar with ground-on cover plate (10) is arranged on the center of gas radial distribution cylinder (9), lower end connection hot synthesis gas outlet (8) of gas collecting jar with ground-on cover plate (10)；
Bundle pipes molectron (12) is located between gas radial distribution cylinder (9) and gas collecting jar with ground-on cover plate (10) and the axis direction along shell extends,
The upper end of bundle pipes molectron (12) is connected with cold syngas outlet (15), and lower end is connected with cold synthesis gas import (7), bundle pipes
Molectron (12) surrounds a cavity for placing catalyst by bundle pipes, and described cavity shrinks for upper/lower terminal, broad in the middle
Cavity；
It is provided with the fixed mount (21) having baffling effect and fixing bundle pipes concurrently in gas radial distribution cylinder (9)；
The tube side of bundle pipes molectron (12) is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold conjunction
Become gas import (7) to enter the tube side of bundle pipes molectron (12), flow out through cold syngas outlet (15), then enter through hot synthesis gas
Mouth (1) enters the shell side of bundle pipes molectron (12), through hot synthesis gas outlet (8) outflow, cold synthesis gas and thermal synthesis after reaction
Gas completes heat exchange by bundle pipes molectron (12).
2. gas-gas heat exchange type isothermal reactor according to claim 1 is it is characterised in that described bundle pipes molectron (12)
At least it is divided into three bundle pipes groups, cold syngas outlet and the quantity of cold synthesis gas import all identical with the quantity of bundle pipes group simultaneously
Correspond；
It is provided with a upper perforated plate, a upper cover between the upper end of each bundle pipes group and corresponding cold syngas outlet (15)
(13) and type metal expansion joint (20), described upper perforated plate is fixedly connected with corresponding upper cover, is formed between upper perforated plate and upper cover
First cavity, the upper end of each bundle pipes group is fixed on corresponding upper perforated plate, and successively through upper cover (13) and expansion of metal
Section (20) connects cold syngas outlet (15)；
It is provided with a lower perforated plate and a low head between the lower end of each bundle pipes group and corresponding cold synthesis gas import (7)
(5), described lower perforated plate is fixedly connected with corresponding low head, forms the second cavity between lower perforated plate and low head, each boundling
The lower end of pipe group is fixed on corresponding lower perforated plate, and connects cold synthesis gas import (7) through low head (5).
3. gas-gas heat exchange type isothermal reactor according to claim 1 is it is characterised in that described bundle pipes molectron (12)
Bundle pipes be bending stainless steel tube, bundle pipes are evenly arranged.
4. gas-gas heat exchange type isothermal reactor according to claim 1 is it is characterised in that arrange in the lower end of shell (3)
There is the Multifunctional mouth (6) for maintainer's turnover and catalyst self-unloading.
5. gas-gas heat exchange type isothermal reactor, including shell (4), is provided with hot synthesis gas entrance (1) and cold conjunction at the top of shell
Become gas outlet (15), the bottom of shell be provided with hot synthesis gas outlet (8) and cold synthesis gas import (7) it is characterised in that
It is provided with bundle pipes molectron (12), gas distributor (14) and collection chamber (16) in described inside the shell；Gas distributor
(14) it is located at hot synthesis gas entrance (1) place, collection chamber (16) connection hot synthesis gas outlet (8)；Bundle pipes molectron (12) is located at
Between hot synthesis gas entrance (1) and collection chamber (16) and along shell axis direction extend, the upper end of bundle pipes molectron (12)
Connect with cold syngas outlet (15), lower end is connected with cold synthesis gas import (7), and bundle pipes molectron (12) is surrounded by bundle pipes
One is used for placing the cavity of catalyst, and described cavity is upper/lower terminal contraction, cavity broad in the middle；
It is provided with the fixed mount (21) having baffling effect and fixing bundle pipes concurrently in shell (4)；
The tube side of bundle pipes molectron (12) is used for cold synthesis gas walking, and shell side is used for hot synthesis gas and walks, and unstripped gas is through cold conjunction
Become gas import (7) to enter the tube side of bundle pipes molectron (12), flow out through cold syngas outlet (15), then enter through hot synthesis gas
Mouth (1) enters the shell side of bundle pipes molectron (12), through hot synthesis gas outlet (8) outflow, cold synthesis gas and thermal synthesis after reaction
Gas completes heat exchange by bundle pipes molectron (12).
6. gas-gas heat exchange type isothermal reactor according to claim 5 is it is characterised in that described bundle pipes molectron (12)
At least it is divided into three bundle pipes groups, cold syngas outlet and the quantity of cold synthesis gas import all identical with the quantity of bundle pipes group simultaneously
Correspond；
It is provided with a upper perforated plate, a upper cover between the upper end of each bundle pipes group and corresponding cold syngas outlet (15)
(13) and type metal expansion joint (20), described upper perforated plate is fixedly connected with corresponding upper cover, is formed between upper perforated plate and upper cover
First cavity, the upper end of each bundle pipes group is fixed on corresponding upper perforated plate, and successively through upper cover (13) and expansion of metal
Section (20) connects cold syngas outlet (15)；
It is provided with a lower perforated plate and a low head between the lower end of each bundle pipes group and corresponding cold synthesis gas import (7)
(5), described lower perforated plate is fixedly connected with corresponding low head, forms the second cavity between lower perforated plate and low head, each boundling
The lower end of pipe group is fixed on corresponding lower perforated plate, and connects cold synthesis gas import (7) through low head (5).
7. gas-gas heat exchange type isothermal reactor according to claim 5 is it is characterised in that described bundle pipes molectron (12)
Bundle pipes be bending stainless steel tube, bundle pipes are evenly arranged.
8. gas-gas heat exchange type isothermal reactor according to claim 5 is it is characterised in that arrange in the lower end of shell (4)
There is the Multifunctional mouth (6) for maintainer's turnover and catalyst self-unloading.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903413A (en) * | 2016-06-27 | 2016-08-31 | 南京聚拓化工科技有限公司 | Gas-gas heat exchange type isothermal reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903413A (en) * | 2016-06-27 | 2016-08-31 | 南京聚拓化工科技有限公司 | Gas-gas heat exchange type isothermal reactor |
| CN105903413B (en) * | 2016-06-27 | 2018-07-20 | 南京聚拓化工科技有限公司 | Gas-gas heat exchange type isothermal reactor |
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