CN207591826U - A kind of radial direction string axial direction ethylene glycol hydrogenation reactor - Google Patents

A kind of radial direction string axial direction ethylene glycol hydrogenation reactor Download PDF

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Publication number
CN207591826U
CN207591826U CN201721568730.7U CN201721568730U CN207591826U CN 207591826 U CN207591826 U CN 207591826U CN 201721568730 U CN201721568730 U CN 201721568730U CN 207591826 U CN207591826 U CN 207591826U
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catalyst
housing
gas collection
cylinder
axial direction
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CN201721568730.7U
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卢健
王雪林
聂忠峰
王智
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Nanjing Jutuo Chemical Technology Co Ltd
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Nanjing Jutuo Chemical Technology Co Ltd
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Abstract

The utility model discloses a kind of radial direction string axial direction ethylene glycol hydrogenation reactors, support component is installed in housing, housing is divided into radial section and axial direction part by support component, gas collection cylinder is provided in radial section, the center that is disposed axially in housing of the inlet cylinder along housing, in gas collection cylinder, at least three heat-exchanging components are disposed with around inlet cylinder, the lower end of gas collection cylinder is fixedly connected in support component, there is gap between gas collection cylinder and housing, the gap forms gas collection chamber, air hole is offered on gas collection cylinder, intercommunicating pore is offered in support component, axial packing cavity is equipped in axial direction part, catalyst is filled in axial packing cavity;Space between gas collection cylinder and inlet cylinder forms radial direction packing cavity, and catalyst is filled in radial direction packing cavity.This reaction phase can effectively improve the conversion ratio of raw material in reactor.

Description

A kind of radial direction string axial direction ethylene glycol hydrogenation reactor
Technical field
The utility model is specifically related to a kind of radial direction string axial direction ethylene glycol hydrogenation reactor.
Background technology
Ethylene glycol hydrogenation reactor is as a key equipment for preparing ethylene glycol, since hydrogenation reaction is more quick to temperature Sense, therefore hydrogenation reactor is used as using water generally using shell-and-tube reactor and cools down medium, the carry out speed reacted in order to control, The catalyst bed of reactor merely limits carrying for feed stock conversion using radial direction bed using radial direction bed Height, general using two reactors are used in series in order to improve the conversion ratio of raw material, which increase equipment purchasing and installations Expense.
Utility model content
In order to improve conversion ratio of the raw material in monomer reaction device, present applicant proposes a kind of radial direction string axial direction ethylene glycol to add Hydrogen reactor, specific technical solution are as follows:
The reactor includes housing, is equipped with synthesis gas inlet tube in the upper end of housing, conjunction is equipped in the lower end of housing It into gas outlet, is characterized in that, support component is installed in housing, which is divided into radial section and axial direction by housing Section, radial section are located at the top of axial direction part;Gas collection cylinder is provided in radial section, gas collection cylinder is in the cylinder of upper and lower opening Shape, is equipped with the inlet cylinder of lower end closed in gas collection cylinder, the center that is disposed axially in housing of the inlet cylinder along housing, The upper end of inlet cylinder upwardly extends and connects synthesis gas inlet tube;
In gas collection cylinder, at least three heat-exchanging components are disposed with around inlet cylinder, each heat-exchanging component is changed including one Warmware upper cover, a heat exchanging piece low head, the upper perforated plate being welded in heat exchanging piece upper cover, are welded in heat exchanging piece low head Lower perforated plate and both ends connect several heat exchanger tubes of upper perforated plate and lower perforated plate respectively;One is connected on heat exchanging piece upper cover Outlet pipe, the outlet pipe stretch out the top of housing upwards;A water inlet pipe is connected on heat exchanging piece low head, which runs through Housing is stretched out after the side wall of housing;
The lower end of gas collection cylinder is fixedly connected in support component, has gap between gas collection cylinder and housing, should Gap forms gas collection chamber, offers air hole on gas collection cylinder, intercommunicating pore is offered in support component, the connection Hole connects gas collection chamber and axial direction part, axial direction part connect gas collection after intercommunicating pore, gas collection chamber and air hole successively The inner cavity of cylinder;
At least two pieces of catalyst support plates are equipped in axial direction part, the cloth in through hole shape is offered on catalyst support plate Stomata, at least two pieces of catalyst support plates will be divided into sub-chamber to section in an axial direction, and positioned at the lowermost, sub-chamber is formed Outlet chamber, at least one sub-chamber becomes axial packing cavity in remaining sub-chamber, and catalysis is filled in axial packing cavity Agent;The input end of syngas outlet pipe is located in outlet chamber;
Space between gas collection cylinder and inlet cylinder forms radial direction packing cavity, and catalysis is filled in radial direction packing cavity Agent;The inner cavity of connection inlet cylinder and the air admission hole of radial direction packing cavity are offered on the barrel of inlet cylinder.
In this application, the inner cavity of housing is divided into radial section and axial direction part, and is provided with to be filled in radial section and urge The radial direction packing cavity of agent to form radial direction bed, is provided with the axial packing cavity for being filled with catalyst, with shape in axial direction part Into axial bed.When the utility model is used, unstripped gas is entered from synthesis gas inlet tube in inlet cylinder, then through inlet cylinder On air admission hole enter in radial direction bed and reacted, then enter gas collection through the air hole on gas collection cylinder again Chamber is entered in axial bed using the intercommunicating pore in support component, is reacted again, due to being provided with axial filler Chamber makes the gas for failing not completing reaction in radial section enter axial direction part secondary response again, improves raw material in reactor Since the structure of Axial response section is simple, relative to two reactors of setting, axial direction part is added in same reactor for conversion ratio The acquisition expenses of reactor can be effectively reduced.
Since after the reaction of radial section, most raw material has been completed to convert, set in the bottom of reactor axial Duan Hou can successfully improve the conversion ratio of raw material.
Further, the support component includes support ring, crosses inflator and catalyst bottom plate;The support ring is annular in shape, support The lateral surface of ring is fixedly connected on the medial surface of housing, and the inflator of crossing is cylindrical in shape, and the lower end for crossing inflator is connected to support ring Inside edge;The catalyst bottom plate was sealingly mounted at the upper end of inflator;Above-mentioned intercommunicating pore is offered on inflator is crossed.
After above-mentioned design, the gas discharged from gas collection chamber enters the center of axial direction part through intercommunicating pore, Then it spreads around from the central position, enables reaction gas more evenly into the reaction was continued in axial packing cavity.
Further, the middle part in the downside of catalyst bottom plate is equipped with a catalyst discharge nozzle, the catalyst discharge nozzle One end extend upward through the catalyst discharge nozzle import that connection radial direction packing cavity is formed after catalyst bottom plate, catalyst discharge nozzle it is another One end is downward through formation catalyst discharge nozzle outlet after housing.
In conventional design, the discharge port of catalyst is arranged on radial section, when unloading carried catalyst every time, always has part and retains It in reactor, can not flow out naturally, need to clear out remaining catalyst using artificial method, by catalyst discharge nozzle Import be arranged on catalyst bottom plate after, using gravity, catalyst can successfully discharge discharging out of catalyst discharge nozzle, reduce The quantity manually removed.
Further, the heat exchanging piece low head is fixedly mounted on catalyst bottom plate;On heat exchanging piece low head or lower perforated plate Riser is welded with, riser upwardly extends, and the lower end of inlet cylinder is resisted against the top of riser, and the gap between adjacent riser forms connection Radial direction packing cavity and the tapping channel of catalyst discharge nozzle import.The discharging for discharging catalyst is not only formd using riser Channel, and the support of inlet cylinder is formd, using the top of riser, inlet cylinder can be made to be stably placed in housing.
Further, catalyst cover board is installed in radial section, the heat exchanging piece upper cover is fixedly mounted on catalyst cover board, The upper end of gas collection cylinder is resisted against on catalyst cover board.The setting of catalyst cover board can make radial direction packing cavity form an opposite envelope The gas channel closed enables radially steadily to flow into unstripped gas therein, unstripped gas is avoided to overflow packing layer upwards, It is unfavorable for being smoothed out for reaction.
Further, one piece of catalyst pressing plate is both provided with above every piece of catalyst support plate, is opened up on catalyst pressing plate There is venthole, pipe fitting chamber is formed between the catalyst pressing plate and support component of top side;The water inlet pipe is right through pipe fitting chamber institute Housing is stretched out after the side wall for the housing answered.Setting catalyst pressing plate makes be to make the catalyst in axial packing cavity will not be with raw material The disturbance of gas and generate flowing.After forming individual pipe fitting chamber, catalyst will not be arranged into around water inlet pipe, avoid water inlet pipe The region of surrounding forms adverse effect since temperature is too low to the conversion of unstripped gas.
Further, synthesis gas inlet tube includes being provided with the main air inlet pipe of connecting portion and be detachably connected on connecting portion Compressing member, inlet cylinder is maintained in housing by the compressing member;A centre bore is provided on compressing member, centre bore connection The inner cavity of inlet cylinder.Utilize the removable unloading functions of compressing member, it is convenient to inlet cylinder is put into and taken out from synthesis gas inlet tube, After inlet cylinder is attached in housing, inlet cylinder can be maintained in housing after compressing member is fixed in main air inlet pipe, when When needing to take out inlet cylinder, after compressing member is dismantled from main air inlet pipe, you can take out inlet cylinder.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
A kind of radial direction string axial direction ethylene glycol hydrogenation reactor, including housing 10, housing 10 includes cylinder 12, is welded on cylinder The upper cover 11 on 12 top of body and the low head 13 for being welded on 12 bottom end of cylinder are equipped with synthesis gas import in the upper end of housing Pipe 14 is equipped with syngas outlet pipe 15 in the lower end of housing, and syngas outlet pipe 15 includes air outlet pipe 151, air outlet pipe 151 Low head 13 is stretched out in lower end, and the upper end of air outlet pipe 151 is located in the space of the formation of low head 13, is equipped in the upper end of air outlet pipe Gas cap 152.
Support component 40 is installed in housing 10, which is divided into radial section and axial direction part by housing, radially Section is located at the top of axial direction part.In the present embodiment, support component 40 includes support ring 41, crosses inflator 42 and catalyst bottom plate 46; Support ring 41 is annular in shape, and the lateral surface of support ring 41 is fixedly connected on the medial surface of cylinder 12, i.e. the lateral surface of support ring 41 It is fixedly connected on the medial surface of housing 10;It crosses inflator 42 to be cylindrical in shape, the lower end for crossing inflator 42 is connected to the inside of support ring 41 Edge;Catalyst bottom plate 46 was sealingly mounted at the upper end of inflator 42;Please refer to Fig. 2, connection is offered on inflator 42 is crossed Hole 421, the intercommunicating pore 421 are the through-hole for penetrating through inflator barrel.
Gas collection cylinder 22 is provided in radial section, gas collection cylinder 22 is in the tubular of upper and lower opening, gas collection cylinder The inlet cylinder 31 of lower end closed is installed in 22, the center that is disposed axially in housing 10 of the inlet cylinder 31 along housing 10, into The upper end of inflator 10 upwardly extends and connects synthesis gas inlet tube 14.
In gas collection cylinder 22, at least four heat-exchanging components 20, each heat-exchanging component 20 are disposed with around inlet cylinder 31 Including a heat exchanging piece upper cover 24, a heat exchanging piece low head 28, the upper perforated plate 23 being welded in heat exchanging piece upper cover 24, it is welded on Lower perforated plate 27 and both ends in heat exchanging piece low head 28 connect several heat exchanger tubes of upper perforated plate 23 and lower perforated plate 27 respectively 21.An outlet pipe 25 is connected on heat exchanging piece upper cover 24, which stretches out the top of housing upwards, is discharged for enhancing Pipe 25 high temperature telescopicing performance, outlet pipe 25 stretch out housing one end metal connecting hose 26 is installed.It is sealed under heat exchanging piece A water inlet pipe 29 is connected on first 28, which stretches out housing after the cylinder 12 of housing.
The lower end of gas collection cylinder 22 is fixedly connected with the upper surface of the catalyst bottom plate 46 of support component 40, in gas collection cylinder There is gap, which forms gas collection chamber 55, air hole is offered on gas collection cylinder 22, thoroughly between 22 and housing 10 Stomata is in the accompanying drawings display.The side connection gas collection chamber 55 of the intercommunicating pore 421 on inflator 42 is crossed, opposite side is through support ring 41 centre bore connection axial direction part.So as to which axial direction part be made to connect gas after intercommunicating pore 421, gas collection chamber 55 and air hole successively The inner cavity of body surge drum 22.
Two pieces of catalyst support plates are equipped in axial direction part, two pieces of catalyst support plates are respectively the first catalyst support plate 16 and second catalyst support plate 17, the first catalyst support plate 16 is located at the lower section of the second catalyst support plate 17, at every piece One piece of catalyst pressing plate is both provided with above catalyst support plate, i.e., the top of the first catalyst support plate 16 is provided with one piece First catalyst pressing plate 161 is provided with one piece of second catalyst pressing plate 171 in the top of the second catalyst support plate 17.It is urged first The qi-emitting hole in through hole shape is offered on 16 and second catalyst support plate 17 of agent support plate, in the first catalyst pressing plate 161 With offering the venthole in through hole shape on the second catalyst pressing plate 171, in the accompanying drawings, qi-emitting hole is not shown with venthole.
Form pipe fitting chamber 54 between second catalyst pressing plate 171 and support component 40, the water inlet pipe on heat exchanging piece low head 28 29 stretch out housing 10 after the side wall of the cylinder 12 corresponding to pipe fitting chamber 54.
An axial packing cavity 52 is formed between the first catalyst support plate 16 and the first catalyst pressing plate 161, second Another axial packing cavity 53 is formed between 17 and second catalyst pressing plate 171 of catalyst support plate, in axial packing cavity 52,53 It is filled with catalyst.
Space between first catalyst support plate 16 and the bottom of housing 10 forms outlet chamber 51, air outlet pipe 151 it is upper End and gas cap 152 are located in the outlet chamber 51, i.e., the input end of syngas outlet pipe is located in outlet chamber.
In other embodiments, two pieces or more of catalyst support plate, these support plates can also be set in axial direction part Axial direction part is divided into sub-chamber in an axial direction, is corresponded in this present embodiment, axial direction part is divided into three by two pieces of catalyst support plates Sub-chamber, wherein nethermost sub-chamber forms outlet chamber 51, both the above sub-chamber is respectively provided with axial packing cavity 52 With axial packing cavity 53, and a pipe fitting chamber 54 is formd in the top of axial packing cavity 53, to facilitate the arrangement of associated conduit.
In the present embodiment, two axial packing cavities are formd, it will be understood that in other embodiments, can also only shape Into an axial packing cavity, i.e., only there are one divide in the Liang Ge sub-chamber corresponding to axial packing cavity 52 and axial packing cavity 53 Chamber forms axial packing cavity.
Space between gas collection cylinder 22 and inlet cylinder 31 forms radial direction packing cavity, is filled with and urges in radial direction packing cavity Agent;
The inner cavity of connection inlet cylinder 31 and the air admission hole of radial direction packing cavity are offered on the barrel of inlet cylinder 31, in attached drawing In, air admission hole is not shown.
In the present embodiment, the middle part in the downside of catalyst bottom plate 46 is equipped with a catalyst discharge nozzle 44, this is urged One end of agent discharge nozzle 44 forms the catalyst discharge nozzle import 45 for connecting radial direction packing cavity after extending upward through catalyst bottom plate 46, The other end of catalyst discharge nozzle is downward through the outlet of catalyst discharge nozzle is formed after housing, catalyst discharge nozzle goes out in the accompanying drawings Mouth is not shown.
Heat exchanging piece low head 28 is fixedly mounted on catalyst bottom plate 46;Riser 43, riser 43 are welded on lower perforated plate 27 It upwardly extends, the lower end of inlet cylinder 31 is resisted against the top of riser 43, and the gap between adjacent riser forms connection radial direction packing cavity With the tapping channel of catalyst discharge nozzle import.It is appreciated that riser can also be welded on heat exchanging piece low head or weld simultaneously It is connected on lower perforated plate and heat exchanging piece low head.
In the present embodiment, catalyst cover board 18 is also equipped in radial section, heat exchanging piece upper cover 72 is welded on catalyst lid On plate 18, the upper end of gas collection cylinder 22 is resisted against on catalyst cover board 18.
Synthesis gas inlet tube 14 includes being provided with the main air inlet pipe 141 of connecting portion and be detachably connected on connecting portion Inlet cylinder 31 is maintained in housing 10 by compressing member 142, compressing member 142;A centre bore is provided on compressing member 142, in this Heart hole connects the inner cavity of inlet cylinder 31.In the present embodiment, specifically in the present embodiment, connecting portion be a flange, compressing member 142 Also it is a flange, two flanges are bolted together.And the internal diameter of the centre bore of the flange as compressing member is less than Inlet cylinder when compressing member is fixed on connecting portion, can be maintained in housing by the outer diameter of inlet cylinder 31.
The manhole for being useful for loading catalyst and maintenance is opened on the housing corresponding to radial section.Corresponding to each Axial packing cavity is both provided with the hand hole for loading catalyst.

Claims (7)

1. including housing, synthesis gas import is equipped in the upper end of housing for a kind of radial direction string axial direction ethylene glycol hydrogenation reactor Pipe, is equipped with syngas outlet pipe in the lower end of housing, is characterized in that, support component is equipped in housing, the support component Housing is divided into radial section and axial direction part, radial section is located at the top of axial direction part;Gas collection cylinder, gas are provided in radial section Body surge drum is in the tubular of upper and lower opening, and the inlet cylinder of lower end closed, axis of the inlet cylinder along housing are equipped in gas collection cylinder To the center for being arranged in housing, the upper end of inlet cylinder upwardly extends and connects synthesis gas inlet tube;
In gas collection cylinder, at least three heat-exchanging components are disposed with around inlet cylinder, each heat-exchanging component includes a heat exchanging piece Upper cover, a heat exchanging piece low head, the upper perforated plate being welded in heat exchanging piece upper cover, the down tube being welded in heat exchanging piece low head Plate and both ends connect several heat exchanger tubes of upper perforated plate and lower perforated plate respectively;A water outlet is connected on heat exchanging piece upper cover Pipe, the outlet pipe stretch out the top of housing upwards;A water inlet pipe is connected on heat exchanging piece low head, which runs through housing Side wall after stretch out housing;
The lower end of gas collection cylinder is fixedly connected in support component, has gap, the gap between gas collection cylinder and housing Gas collection chamber is formed, air hole is offered on gas collection cylinder, intercommunicating pore is offered in support component, which connects Ventilation body collecting chamber and axial direction part, axial direction part connect gas collection cylinder after intercommunicating pore, gas collection chamber and air hole successively Inner cavity;
At least two pieces of catalyst support plates are equipped in axial direction part, the gas distribution in through hole shape is offered on catalyst support plate Hole, at least two pieces of catalyst support plates will be divided into sub-chamber to section in an axial direction, and positioned at the lowermost, sub-chamber is formed out Air cavity, at least one sub-chamber becomes axial packing cavity in remaining sub-chamber, and catalyst is filled in axial packing cavity; The input end of syngas outlet pipe is located in outlet chamber;
Space between gas collection cylinder and inlet cylinder forms radial direction packing cavity, and catalyst is filled in radial direction packing cavity;
The inner cavity of connection inlet cylinder and the air admission hole of radial direction packing cavity are offered on the barrel of inlet cylinder.
2. ethylene glycol hydrogenation reactor according to claim 1, which is characterized in that
The support component includes support ring, crosses inflator and catalyst bottom plate;The support ring is annular in shape, and the lateral surface of support ring is consolidated Surely it is connected on the medial surface of housing, the inflator of crossing is cylindrical in shape, and the lower end for crossing inflator is connected to the inside edge of support ring;Institute State the upper end that catalyst bottom plate was sealingly mounted at inflator;Above-mentioned intercommunicating pore is offered on inflator is crossed.
3. ethylene glycol hydrogenation reactor according to claim 2, which is characterized in that
Middle part in the downside of catalyst bottom plate is equipped with a catalyst discharge nozzle, and one end of the catalyst discharge nozzle is passed through upwards Wear the catalyst discharge nozzle import that connection radial direction packing cavity is formed after catalyst bottom plate, the other end of catalyst discharge nozzle downward through The outlet of catalyst discharge nozzle is formed after housing.
4. ethylene glycol hydrogenation reactor according to claim 3, which is characterized in that
The heat exchanging piece low head is fixedly mounted on catalyst bottom plate;Riser is welded on heat exchanging piece low head or lower perforated plate, Riser upwardly extends, and the lower end of inlet cylinder is resisted against the top of riser, and the gap between adjacent riser forms connection radial direction packing cavity With the tapping channel of catalyst discharge nozzle import.
5. ethylene glycol hydrogenation reactor according to claim 1, which is characterized in that catalyst lid is equipped in radial section Plate, the heat exchanging piece upper cover are fixedly mounted on catalyst cover board, and the upper end of gas collection cylinder is resisted against on catalyst cover board.
6. ethylene glycol hydrogenation reactor according to claim 1, which is characterized in that in the top of every piece of catalyst support plate One piece of catalyst pressing plate is both provided with, venthole is offered on catalyst pressing plate, catalyst pressing plate and support component positioned at top side Between formed pipe fitting chamber;The water inlet pipe stretches out housing after the side wall of the housing corresponding to pipe fitting chamber.
7. according to claim 1-6 any one of them ethylene glycol hydrogenation reactors, which is characterized in that synthesis gas inlet tube includes The main air inlet pipe of connecting portion and the compressing member being detachably connected on connecting portion are provided with, the compressing member keeps inlet cylinder In housing;A centre bore is provided on compressing member, which connects the inner cavity of inlet cylinder.
CN201721568730.7U 2017-11-21 2017-11-21 A kind of radial direction string axial direction ethylene glycol hydrogenation reactor Active CN207591826U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109985577A (en) * 2019-05-08 2019-07-09 张化机(苏州)重装有限公司 A kind of hydrogenator
CN110026131A (en) * 2019-03-29 2019-07-19 南京聚拓化工科技有限公司 Synthesis gas alkene test-reactor
CN110215882A (en) * 2019-06-25 2019-09-10 南京聚拓化工科技有限公司 Radial shaft is to hydrogenator
CN111732075A (en) * 2020-06-28 2020-10-02 南京聚拓化工科技有限公司 Combined type heat insulation series temperature control shift converter device and shift process

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110026131A (en) * 2019-03-29 2019-07-19 南京聚拓化工科技有限公司 Synthesis gas alkene test-reactor
CN110026131B (en) * 2019-03-29 2024-03-05 南京聚拓化工科技有限公司 Reactor for test of preparing olefin from synthesis gas
CN109985577A (en) * 2019-05-08 2019-07-09 张化机(苏州)重装有限公司 A kind of hydrogenator
CN109985577B (en) * 2019-05-08 2024-02-23 张化机(苏州)重装有限公司 Hydrogenation reactor
CN110215882A (en) * 2019-06-25 2019-09-10 南京聚拓化工科技有限公司 Radial shaft is to hydrogenator
CN110215882B (en) * 2019-06-25 2024-07-12 南京聚拓化工科技有限公司 Radial-axial hydrogenation reactor
CN111732075A (en) * 2020-06-28 2020-10-02 南京聚拓化工科技有限公司 Combined type heat insulation series temperature control shift converter device and shift process
CN111732075B (en) * 2020-06-28 2023-06-27 南京聚拓化工科技有限公司 Composite heat-insulating serial temperature-control shift converter device and shift process

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