CN209155815U - Reboiler structure for m-aminophenol production - Google Patents
Reboiler structure for m-aminophenol production Download PDFInfo
- Publication number
- CN209155815U CN209155815U CN201821960793.1U CN201821960793U CN209155815U CN 209155815 U CN209155815 U CN 209155815U CN 201821960793 U CN201821960793 U CN 201821960793U CN 209155815 U CN209155815 U CN 209155815U
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- tube
- pipe
- shell
- tube bank
- helix
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses the reboiler structures produced for m-aminophenol, including shell, tube bank case, U-tube, heat exchanger tube and helix tube, the left side of the shell is equipped with tube bank frame, it restrains frame and is equipped with and intert equipped with multiple U-tubes, the right end of U-tube protrudes into housing cavity, the left end of tube bank frame is connect by connecting flange with tube bank frame, is connected with below tube bank case into pipe;Intert in the tube bank case and be equipped with the first discharge pipe, the pipeline right end of the first discharge pipe is connect with heat exchanger tube;The bottom of the helix tube is connected with outlet pipe, and the left end of outlet pipe and the right end of heat exchanger tube connect.The utility model heats the water of reflux using the waste heat of thermal medium fluid by setting double helix plate structure, increases the heat utilization ratio of thermal medium fluid;Helix tube is set to reaction kettle heat supply, the hot stroke by increasing gas-liquid mixture makes heating efficiency higher.
Description
Technical field
The utility model relates to m-aminophenol production fields, are particularly used for the reboiler knot of m-aminophenol production
Structure.
Background technique
In present chemical production process, when carrying out fractionation to mixture or to chemical reaction heat supply, need
Use heating device, heating method, which is generally divided into, to be directly heated and indirect heating, and in chemical production field, directly heating can make
It is excessively high to obtain local temperature, is easy so that organic compound voluntarily decomposes or coking, so general by the way of indirect heating.?
In indirect heating manner, by reboiler heating be generally used in the way of, common reboiler include kettle type reboiler and
Thermosiphon reboiler.
Existing thermosiphon reboiler is usually not added with after using saturated vapor or the heating of other thermal medium fluids
To the device that thermal medium fluid waste heat recycles, cause the utilization rate to thermal medium fluid not high, and usually add to reaction kettle
The mode of heat is using the directly stifling heating of steam, and this heating method is lower to the heat utilization efficiency of steam, cannot make completely
Steam heat release becomes water, so that water reflux is obstructed, influences the further circulation of water.
Utility model content
The purpose of this utility model is that the reboiler structure for m-aminophenol production, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
For the reboiler structure of m-aminophenol production, including shell, tube bank case, U-tube, heat exchanger tube, helix tube, branch
Support set and reaction kettle, the left side of the shell are equipped with tube bank frame, and tube bank frame is interspersed to be arranged on the left side of shell, restrain on frame
Equipped with multiple uniformly distributed through-holes, restrain to intert on the through-hole of frame being equipped with multiple U-tubes;The right end of the U-tube protrudes into shell
Chamber, the middle position that U-tube protrudes into housing cavity are equipped with clips, and clips are interior by upper and lower two connecting rods and shell
Wall is fixedly connected;The left end of the tube bank frame is located at hull outside, and the left side for restraining frame is equipped with connecting flange, a left side for connecting flange
Side is equipped with tube bank case, and the left end for restraining case is connect by connecting flange with tube bank frame, is connected with below tube bank case into pipe;It is described
It restrains to intert in case and is equipped with the first discharge pipe, the pipeline right end of the first discharge pipe is connect with heat exchanger tube, and heat exchanger tube is located at shell
The partial circumscription of lower section has the second discharge pipe, and the left end that heat exchanger tube is located at below shell is connected with water inlet pipe;The right side of the shell
Top is interspersed to be equipped with gas-liquid mixed outlet pipe, is connected with gas-liquid mixed inlet pipe, the pipe of gas-liquid mixed inlet pipe above gas-liquid mixed outlet pipe
Road is equipped with safety valve;The right end of the gas-liquid mixed inlet pipe is connected with helix tube, and the bottom of helix tube is connected with outlet pipe, out
The left end of water pipe and the right end of heat exchanger tube connect;The helix tube is surrounded by a circle support sleeve, and the periphery of support sleeve is equipped with branch
Support is placed with reaction kettle on the inside of helix tube.
The further scheme of the utility model: the bottom end of the reaction kettle is set as infundibulate.
The further scheme of the utility model: the helix tube is spiral yarn shaped pipeline, and the taper of helix is 20 °.
Further scheme as the utility model: the heat exchanger tube includes inner sleeve, outer sleeve and double helix plate, inner sleeve
Cylinder is set in the periphery of shell, and double helix plate is arranged between inner sleeve and outer sleeve.
Further scheme as the utility model: the pipeline that the U-tube is parallel to each other by two forms, respectively
Influent stream pipe and return pipe, radially circumferentially array is a circle tube bank to U-tube, and the pipeline positioned at tube bank outer ring is influent stream pipe,
Pipeline positioned at tube bank inner ring is return pipe, and the left end of influent stream pipe is connected to tube bank case, the left end of return pipe and the first discharge pipe
Connection.
Compared with prior art, the utility model has the beneficial effects that: the utility model is provided with U-tube tube bank to shell
Intracorporal water is heated, and is recycled to the thermal medium of U-tube reflux, utilizes heat by setting double helix plate structure
The waste heat of medium fluid heats the water of reflux, increases the heat utilization ratio of thermal medium fluid;Helix tube is set to anti-
Kettle heat supply is answered, the hot stroke by increasing gas-liquid mixture makes heating efficiency higher, while but also reaction kettle is heated evenly,
The rate of heat addition is fast.
Detailed description of the invention
Fig. 1 is the overall structure cross-sectional view of the reboiler structure produced for m-aminophenol.
Fig. 2 is the left cross-sectional view of the reboiler structure produced for m-aminophenol.
Fig. 3 is heat exchanger tube internal structure and flow schematic diagram in the reboiler structure produced for m-aminophenol.
Fig. 4 is the schematic three dimensional views of U-tube in the reboiler structure produced for m-aminophenol.
Fig. 5 is the schematic three dimensional views of radiator in the reboiler structure produced for m-aminophenol.
In figure: 1, shell;2, frame is restrained;3, case is restrained;4, into pipe;5, connecting flange;6, the first discharge pipe;7, U-shaped
Pipe;71, influent stream pipe;72, return pipe;8, clips;9, heat exchanger tube;91, inner sleeve;92, outer sleeve;93, double helix plate;10,
Second discharge pipe;11, water inlet pipe;12, gas-liquid mixed outlet pipe;13, gas-liquid mixed inlet pipe;14, safety valve;15, helix tube;16,
Outlet pipe;17, support sleeve;18, support frame;19, reaction kettle.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Fig. 1,2,5 are please referred to, for the reboiler structure of m-aminophenol production, including shell 1, tube bank case 3, U-tube
7, heat exchanger tube 9, helix tube 15, support sleeve 17 and reaction kettle 19, the shell 1 are horizontal positioned metallic cylinder, a left side for shell 1
Side is equipped with tube bank frame 2, and tube bank frame 2 is interspersed to be arranged on the left side of shell 1, in the right end insertion shell 1 of tube bank frame 2, tube bank
Frame 2 is equipped with multiple uniformly distributed through-holes, restrains to intert on the through-hole of frame 2 being equipped with multiple U-tubes 7;The right end of the U-tube 7 is stretched
Enter 1 inner cavity of shell, U-tube 7 is used to heat the water in 1 inner cavity of shell, and the middle position that U-tube 7 protrudes into 1 inner cavity of shell is set
There are clips 8, clips 8 hold onto the package of U-tube 7, and clips 8 are solid by the inner wall of upper and lower two connecting rods and shell 1
Fixed connection, since U-tube 7 is longer, clips 8 prevent U-tube 7 be shaken or flow disturbance and bend deformation;The pipe
The left end of beam frame 2 is located at 1 outside of shell, and the left side of tube bank frame 2 is equipped with connecting flange 5, and the left side of connecting flange 5 is equipped with tube bank case
3, the left end of tube bank case 3 is connect by connecting flange 5 with tube bank frame 2, and tube bank case 3 is cylindrical cavity, restrains and connects below case 3
Have and enter pipe 4, is used to be passed through saturated vapor or other high heat fluid media into tube bank case 3 into pipe 4, and then be entire dress
Set heat supply;Intert in the tube bank case 3 and be equipped with the first discharge pipe 6, the first discharge pipe 6 is used to conduct the heat to flow back in U-tube 7 and is situated between
The pipeline right end of mass flow body, the first discharge pipe 6 is connect with heat exchanger tube 9, and heat exchanger tube 9 is the cylinder barrel shaped pipe for wrapping shell 1
Road, the partial circumscription that heat exchanger tube 9 is located at 1 lower section of shell have the second discharge pipe 10, and the second discharge pipe 10 is used to be discharged by first row
Outlet pipe 6 is conveyed into the thermal medium fluid inside heat exchanger tube 9, and the left end that heat exchanger tube 9 is located at 1 lower section of shell is connected with water inlet pipe 11,
Water inlet pipe 11 is used to supply water to 1 inner cavity of shell;The upper right side of the shell 1 is interspersed to be equipped with gas-liquid mixed outlet pipe 12, gas-liquid mixed
Gas-liquid mixed inlet pipe 13 is connected with above outlet pipe 12, gas-liquid mixed outlet pipe 12 is used to mix the steam in 1 inner cavity of shell with water
Object is expelled in gas-liquid mixed inlet pipe 13, and the pipeline of gas-liquid mixed inlet pipe 13 is equipped with safety valve 14, and safety valve 14 can be in gas
Steam is discharged into a part when pressure in liquid mixing inlet pipe 13 is excessive, is blended in pipe 12 with reducing shell 1 and gas-liquid
Pressure is that the pressure of whole device maintains in safe range;The right end of the gas-liquid mixed inlet pipe 13 is connected with helix tube 15,
Helix tube 15 is spiral yarn shaped pipeline, and the taper of helix is 20 °, so that helix tube 15 is in up big and down small infundibulate, this
Kind design increases hot stroke of the gas-liquid mixture in helix tube 15, and the bottom of helix tube 15 is connected with outlet pipe 16, water outlet
The left end of pipe 16 is connect with the right end of heat exchanger tube 9;The helix tube 15 is surrounded by a circle support sleeve 17, and support sleeve 17 is funnel
Shape sleeve, the periphery of support sleeve 17 are equipped with support frame 18, and support sleeve 17 cooperates the common support helix pipe 15 of support frame 18, helix tube
15 inside is placed with reaction kettle 19, and the bottom end of reaction kettle 19 is set as infundibulate, be set as infundibulate be in order to be all leakage
The helix tube 15 of bucket shape is with merging contact, and this design is so that heat transfer area is big, so that the bottom of reaction kettle 19 is heated equal
It is even.
As shown in figure 3, the heat exchanger tube 9 includes inner sleeve 91, outer sleeve 92 and double helix plate 93, inner sleeve 91 is set in
The periphery of shell 1, double helix plate 93 are arranged between inner sleeve 91 and outer sleeve 92, and double helix plate 93 is by inner sleeve 91 and housing
Cylindrical cavity between cylinder 92 is separated into two pipelines, and two pipelines each lead into different fluids, and in two pipelines
Fluid do not interfere with each other, wherein pipeline is used to the thermal medium fluid that water conservancy diversion is passed through by the first discharge pipe 6, and by thermal medium stream
Body is discharged from the second discharge pipe 10, and another pipeline is used to the water that water conservancy diversion is passed through by outlet pipe 16, and by water from 11 row of water inlet pipe
Enter into 1 inner cavity of shell, thermal medium fluid is not in contact with each other with water, and the two is in the conductive process of the spiral pipeline of heat exchanger tube 9
In, thermal medium fluid is by remaining heat transfer water supply.
As shown in Figure 2,4, the pipeline that the U-tube 7 is parallel to each other by two forms, respectively influent stream pipe 71 and return pipe
72, radially circumferentially array is a circle tube bank to U-tube 7, and the pipeline positioned at tube bank outer ring is influent stream pipe 71, is located in tube bank
The pipeline of circle is return pipe 72, and the left end of influent stream pipe 71 is connected to tube bank case 3, and the left end of return pipe 72 and the first discharge pipe 6 connect
It is logical, influent stream pipe 71 is entered by tube bank case 3 into the high temperature thermal medium fluid in pipe 4, high temperature thermal medium fluid passes through influent stream pipe
Water in 71 pairs of 1 inner cavities of shell heats, and the thermal medium fluid after heat release enters the first discharge pipe 6 by return pipe 72
In.
The water in shell 1 is carried out the working principle of the utility model is: the thermal medium fluid of high temperature enters in U-tube 7
Heating, subsequent thermal medium fluid flow back into the first discharge pipe 6 along U-tube 7, and thermal medium fluid is entered by the first discharge pipe 6
In spiral pipeline in heat exchanger tube 9, thermal medium fluid is after the further heat release in spiral pipeline by the second discharge pipe 10
Discharge;Water in shell 1 forms gas-liquid mixture after the high temperature thermal medium fluid heating in U-tube 7, and gas-liquid mixture is logical
It crosses gas-liquid mixed outlet pipe 12 and gas-liquid is mixed into pipe 13 and enters in helix tube 15, gas-liquid mixture is in helix tube 15 to reaction kettle
19 are heated, and by heat release, gas-liquid mixture is condensed into liquid, and the water of lower temperature is by flowing into outlet pipe below helix tube 15
In 16, water is passed through in the spiral pipeline of heat exchanger tube 9 by outlet pipe 16, water in spiral pipeline with the thermal medium stream in adjacent tubes
Body carries out heat exchange, and remaining heat heats water in thermal medium fluid, it is then heated after water by water inlet pipe 11 again
It is secondary to enter 1 inner cavity of shell, form the circulation of water;Since the density of the gas-liquid mixture in shell 1 is lower, it is passed through by water inlet pipe 11
Water can be inhaled into due to thermal siphon in 1 inner cavity of shell, do not need additionally to add water pump and allow for whole device
Interior water completes circulation.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (5)
1. for the reboiler structure of m-aminophenol production, including shell (1), tube bank case (3), U-tube (7), heat exchanger tube
(9), helix tube (15), support sleeve (17) and reaction kettle (19), which is characterized in that the left side of the shell (1) is equipped with tube bank frame
(2), tube bank frame (2) is interspersed is arranged on the left side of shell (1), and tube bank frame (2) is equipped with multiple uniformly distributed through-holes, restrains frame
(2) intert on through-hole and be equipped with multiple U-tubes (7);The right end of the U-tube (7) protrudes into shell (1) inner cavity, and U-tube (7) is stretched
The middle position for entering shell (1) inner cavity is equipped with clips (8), and clips (8) pass through upper and lower two connecting rods and shell (1)
Inner wall is fixedly connected;The left end of tube bank frame (2) is located on the outside of shell (1), and the left side of tube bank frame (2) is equipped with connecting flange
(5), the left side of connecting flange (5) is equipped with tube bank case (3), and the left end of tube bank case (3) passes through connecting flange (5) and tube bank frame (2)
Connection, tube bank case (3) lower section are connected with into pipe (4);Intert in the tube bank case (3) and is equipped with the first discharge pipe (6), first row
The pipeline right end of outlet pipe (6) is connect with heat exchanger tube (9), and the partial circumscription that heat exchanger tube (9) is located at below shell (1) has second row
Outlet pipe (10), the left end that heat exchanger tube (9) is located at below shell (1) are connected with water inlet pipe (11);It wears in the upper right side of the shell (1)
Be inserted with gas-liquid mixed outlet pipe (12), be connected with gas-liquid mixed inlet pipe (13) above gas-liquid mixed outlet pipe (12), gas-liquid mixed into
The pipeline for managing (13) is equipped with safety valve (14);The right end of the gas-liquid mixed inlet pipe (13) is connected with helix tube (15), spiral
The bottom of pipe (15) is connected with outlet pipe (16), and the left end of outlet pipe (16) is connect with the right end of heat exchanger tube (9);The helix tube
(15) it is surrounded by a circle support sleeve (17), the periphery of support sleeve (17) is equipped with support frame (18), and helix tube is put on the inside of (15)
It is equipped with reaction kettle (19).
2. the reboiler structure according to claim 1 for m-aminophenol production, which is characterized in that the reaction kettle
(19) bottom end is set as infundibulate.
3. the reboiler structure according to claim 1 for m-aminophenol production, which is characterized in that the helix tube
It (15) is spiral yarn shaped pipeline, and the taper of helix is 20 °.
4. the reboiler structure according to claim 1 for m-aminophenol production, which is characterized in that the heat exchanger tube
It (9) include inner sleeve (91), outer sleeve (92) and double helix plate (93), inner sleeve (91) is set in the periphery of shell (1), double spiral shells
Rotating plate (93) is arranged between inner sleeve (91) and outer sleeve (92).
5. the reboiler structure according to claim 1 for m-aminophenol production, which is characterized in that the U-tube
(7) the pipeline composition that You Lianggen is parallel to each other, respectively influent stream pipe (71) and return pipe (72), U-tube (7) is radially along circle
All arrays are a circle tube bank, and the pipeline positioned at tube bank outer ring is influent stream pipe (71), and the pipeline positioned at tube bank inner ring is return pipe
(72), the left end of influent stream pipe (71) is connected to tube bank case (3), and the left end of return pipe (72) is connected to the first discharge pipe (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821960793.1U CN209155815U (en) | 2018-11-27 | 2018-11-27 | Reboiler structure for m-aminophenol production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821960793.1U CN209155815U (en) | 2018-11-27 | 2018-11-27 | Reboiler structure for m-aminophenol production |
Publications (1)
Publication Number | Publication Date |
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CN209155815U true CN209155815U (en) | 2019-07-26 |
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ID=67340321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821960793.1U Expired - Fee Related CN209155815U (en) | 2018-11-27 | 2018-11-27 | Reboiler structure for m-aminophenol production |
Country Status (1)
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CN (1) | CN209155815U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111544907A (en) * | 2020-05-27 | 2020-08-18 | 来剑锋 | Energy-saving reboiler for chemical gas separation |
CN112284174A (en) * | 2020-11-14 | 2021-01-29 | 张惠言 | Multistage heat exchange system capable of realizing waste heat recovery |
-
2018
- 2018-11-27 CN CN201821960793.1U patent/CN209155815U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111544907A (en) * | 2020-05-27 | 2020-08-18 | 来剑锋 | Energy-saving reboiler for chemical gas separation |
CN112284174A (en) * | 2020-11-14 | 2021-01-29 | 张惠言 | Multistage heat exchange system capable of realizing waste heat recovery |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20201127 |
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CF01 | Termination of patent right due to non-payment of annual fee |