CN216024831U - Oil-gas heat exchanger for cooling in crude benzene production - Google Patents
Oil-gas heat exchanger for cooling in crude benzene production Download PDFInfo
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- CN216024831U CN216024831U CN202121599022.6U CN202121599022U CN216024831U CN 216024831 U CN216024831 U CN 216024831U CN 202121599022 U CN202121599022 U CN 202121599022U CN 216024831 U CN216024831 U CN 216024831U
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Abstract
The utility model discloses an oil-gas heat exchanger for cooling in crude benzene production, which comprises an outer cylinder and an inner cylinder arranged in the outer cylinder, wherein a plurality of welding ports are uniformly distributed on the inner side surface of the inner cylinder, radiating fins are arranged in the welding ports, a first component piece is arranged on the radiating fins extending into the inner cylinder, a second component piece is arranged at the other end of the first component piece, wherein be equipped with the mounting hole above in the inner tube, be equipped with first bearing in the mounting hole, the sleeve is established to the first bearing internal rotation, be equipped with the second bearing in the sleeve, be equipped with the (mixing) shaft in the second bearing, be equipped with the external screw thread below the (mixing) shaft, stirring shaft threaded connection has the nut, a plurality of stirring leaf is all laid to the nut lateral surface, just be located and be equipped with the restriction piece between the stirring leaf below the sleeve, the one end that the sleeve extended the urceolus is equipped with braced frame, the (mixing) shaft extends the one end in the braced frame and is equipped with motor one, be equipped with the motor protective case above the urceolus, motor protective case medial surface just is equipped with motor two with a position correspondence department. The utility model has the advantages that: the reaction efficiency is improved.
Description
Technical Field
The utility model relates to a heat exchanger, in particular to an oil-gas heat exchanger for cooling in crude benzene production.
Background
The kettle type heat exchanger is structurally characterized in that a proper evaporation space is arranged at the upper part of the shell, and the kettle type heat exchanger also has the function of a steam chamber. The kettle type heat exchanger is convenient to clean and maintain, can treat unclean and scaling-prone media, and can bear high temperature and high pressure. It is suitable for liquid-vapor heat exchange and may be used as the waste heat boiler with simplest structure. The heat exchanger is made by installing jacket on the outer wall of the container, the structure is simple, but its heating surface is limited by the wall surface of the container, the heat transfer coefficient is not high, in order to raise the heat transfer coefficient and make the liquid in the kettle be uniformly heated, a stirrer can be installed in the kettle, when the jacket is filled with cooling water or heating agent without phase change, a spiral partition plate or other measures for increasing turbulence can be set in the jacket, so as to raise the heat supply coefficient of one side of the jacket, in order to supplement the deficiency of heat transfer surface, the interior of the kettle also can be equipped with coil pipe, the jacket type heat exchanger can be extensively used for heating and cooling in the reaction process. The stirrer in the existing kettle type heat exchanger is only composed of simple blades and stirring rods, the stirring efficiency is general, namely the heat supply coefficient of one side of a jacket is improved, and therefore a new technology is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and provides an oil-gas heat exchanger for reducing the temperature of crude benzene production, which improves the heat supply coefficient at one side of a jacket and improves the heat exchange efficiency.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: an oil-gas heat exchanger for cooling in crude benzene production comprises a reaction kettle, wherein the reaction kettle comprises an outer barrel and an inner barrel arranged in the outer barrel, the upper end of the outer barrel is communicated with a cold fluid inlet, the lower end of the outer barrel is communicated with a cold fluid outlet, the upper end of the inner barrel is communicated with a hot fluid inlet, the lower end of the inner barrel is communicated with a condensate outlet, a plurality of welding ports are uniformly distributed on the inner side surface of the inner barrel, radiating fins are arranged in the welding ports, first component pieces are arranged on the radiating fins extending into the inner barrel, second component pieces are arranged at the other end of the first component pieces, the first component pieces and the second component pieces are symmetrically arranged, a mounting hole is formed in the upper surface of the inner barrel, a first bearing is arranged in the mounting hole, a sleeve is rotationally arranged in the first bearing, a second bearing is arranged in the sleeve, a stirring shaft is arranged in the second bearing, and external threads are arranged below the stirring shaft, (mixing) shaft threaded connection is equipped with the nut, nut lateral surface equipartition is equipped with a plurality of stirring leaf, just be located below the sleeve and be equipped with the restriction piece between the stirring leaf, the sleeve extends the one end of urceolus and is equipped with braced frame, the (mixing) shaft extends the one end in urceolus to braced frame and is equipped with motor one, motor one and braced frame fixed connection, be equipped with the motor protective case above the urceolus, motor protective case medial surface just is equipped with motor two with a position department of correspondence, two outputs of motor and braced frame fixed connection, four corners department is equipped with the supporting leg below the reation kettle.
Compared with the prior art, the utility model has the advantages that: the first motor drives the nut to drive the stirring blade to move up and down between the limiting parts, the second motor drives the supporting frame to drive the first motor and the sleeve to rotate, the sleeve and the stirring blade are driven to rotate, stirring can be carried out in the inner cylinder up and down, the flow direction of liquid is changed ceaselessly, the heating surfaces of the liquid in the inner cylinder and the inner cylinder are increased, the arranged radiating fins, the first component pieces and the second component pieces are aluminum profiles, the heating surfaces of the liquid in the inner cylinder are increased, turbulence is increased, the heat supply coefficient is improved, and the heat exchange efficiency of the product is improved.
As improvement, the stirring blades are helical blades, so that the stirring resistance is small, and the stirring efficiency is high.
As an improvement, the radiating fins are arranged obliquely, so that the blocked surface when liquid in the outer cylinder flows is reduced.
As a refinement, the second split piece has a radial length greater than a radial length of the first split piece.
As a modification, the radial length of the restricting member is the distance between adjacent stirring vanes.
Drawings
FIG. 1 is a schematic structural diagram of a main view of an oil-gas heat exchanger for cooling in crude benzene production according to the present invention.
FIG. 2 is a schematic diagram of the top view structure of the inner cylinder of the oil-gas heat exchanger for cooling in crude benzene production.
FIG. 3 is a schematic view of a restriction member of the oil-gas heat exchanger for cooling in crude benzene production according to the present invention.
As shown in the figure: 1. the reaction kettle comprises a reaction kettle body, 2, an outer cylinder, 3, an inner cylinder, 4, a cold fluid inlet, 5, a cold water outlet, 6, a hot fluid inlet, 7, a condensate outlet, 8, a welding port, 9, a radiating fin, 10, a first component piece, 11, a second component piece, 12, a mounting hole, 13, a first bearing, 14, a sleeve, 15, a second bearing, 16, a stirring shaft, 17, external threads, 18, a nut, 19, a stirring blade, 20, a limiting piece, 21, a supporting frame, 22, a first motor, 23, a motor protective shell, 24, a supporting leg, 25 and a second motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the accompanying drawings 1, 2 and 3, the oil-gas heat exchanger for cooling in crude benzene production comprises a reaction kettle 1, wherein the reaction kettle 1 comprises an outer barrel 2 and an inner barrel 3 arranged in the outer barrel 2, the upper end of the outer barrel 2 is communicated with a cold fluid inlet 4, the lower end of the outer barrel 2 is communicated with a cold fluid outlet 5, the upper end of the inner barrel 3 is communicated with a hot fluid inlet 6, the lower end of the inner barrel 3 is communicated with a condensate outlet 7, a plurality of welding ports 8 are uniformly distributed on the inner side surface of the inner barrel 3, cooling fins 9 are arranged in the welding ports 8, the cooling fins extending into the inner barrel 3 are provided with first component pieces 10, the other ends of the first component pieces 10 are provided with second component pieces 11, the first component pieces 10 and the second component pieces 11 are symmetrically arranged, wherein mounting holes 12 are formed in the inner barrel 3, first bearings 13 are arranged in the mounting holes 12, and sleeves 14 are rotationally arranged in the first bearings 13, be equipped with second bearing 15 in the sleeve 14, be equipped with (mixing) shaft 16 in the second bearing 15, be equipped with external screw thread 17 below the (mixing) shaft 16, 16 threaded connection of (mixing) shaft is equipped with nut 18, 18 lateral surface equipartitions of nut are equipped with a plurality of stirring leaf 19, be equipped with restriction spare 20 below the sleeve 14 and between being located the stirring leaf 19, the one end that sleeve 14 extends urceolus 2 is equipped with braced frame 21, the (mixing) shaft 16 extends urceolus 2 to braced frame 21 in the one end be equipped with motor 22, motor 22 and braced frame 21 fixed connection, be equipped with motor protecting shell 23 above the urceolus 2, motor protecting shell 23 medial surface just corresponds the department with motor 22 position and is equipped with motor two 25, motor two 25 outputs and braced frame 21 fixed connection, four corners department is equipped with supporting leg 24 below reation kettle 1.
The stirring blade 19 is a helical blade.
The radiating fins 9 are all arranged obliquely.
The second segment 11 has a radial length greater than that of the first segment 10.
The restricting member 20 has a radial length that is the distance between adjacent agitating blades 19.
When the utility model is implemented specifically, the arranged first motor 22 drives the nut 18 to drive the stirring blade 19 to move up and down between the limiting parts 20 by self transmission, at the moment, the second motor 25 drives the supporting frame 21 to drive the first motor 22 and the sleeve 14 to rotate, so that the sleeve 14 and the stirring blade 19 are driven to rotate, further the stirring can be carried out up and down back and forth in the inner cylinder 3, the flow direction of liquid is continuously changed, the heating surface of the liquid in the inner cylinder 3 and the heating surface of the inner cylinder 3 are increased, the arranged radiating fin 9, the first component piece 10 and the second component piece 11 are aluminum profiles, the heating surface of the liquid in the inner cylinder 3 is increased, the turbulent motion is increased, the heat supply coefficient is increased, and further the heat exchange efficiency of the product is improved; first partial piece 10 and second partial piece 11 adopt a narrow wide asymmetric arc promptly parabola type, can reduce first partial piece 10 and 11 back vortices of second partial piece, restrain the formation in first partial piece 10 and 11 rear air pockets of second partial piece, have improved the carrier gas ability when stirring, improve gaseous dispersion and mass transfer ability, are favorable to gaseous dispersion.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a crude benzol production is oil gas heat exchanger for cooling down, includes reation kettle (1), reation kettle (1) includes urceolus (2) and locates inner tube (3) in urceolus (2), urceolus (2) upper end intercommunication is equipped with cold flow fluid entry (4), urceolus (2) lower extreme intercommunication is equipped with cold flow outlet (5), inner tube (3) upper end intercommunication is equipped with hot-fluid import (6), inner tube (3) lower extreme intercommunication is equipped with condensate outlet (7), its characterized in that: the inner barrel (3) medial surface equipartition is equipped with a plurality of welding mouth (8), all be equipped with fin (9) in welding mouth (8), the fin that extends into in inner barrel (3) is equipped with first components piece (10), first components piece (10) other end is equipped with second components piece (11), first components piece (10) and second components piece (11) symmetry set up, wherein be equipped with mounting hole (12) above in inner barrel (3), be equipped with first bearing (13) in mounting hole (12), first bearing (13) internal rotation is equipped with sleeve (14), be equipped with second bearing (15) in sleeve (14), be equipped with (mixing) shaft (16) in second bearing (15), be equipped with external screw thread (17) below (mixing) shaft (16), (mixing) shaft (16) threaded connection is equipped with nut (18), nut (18) lateral surface equipartition is equipped with a plurality of stirring leaf (19), be equipped with restriction piece (20) below sleeve (14) and between being located stirring leaf (19), the one end that sleeve (14) extended urceolus (2) is equipped with braced frame (21), one end that (mixing) shaft (16) extended urceolus (2) to braced frame (21) in is equipped with motor (22), motor (22) and braced frame (21) fixed connection, be equipped with motor protecting crust (23) above urceolus (2), motor protecting crust (23) medial surface just corresponds the department with motor (22) position and is equipped with motor two (25), motor two (25) output and braced frame (21) fixed connection, four corners department is equipped with supporting leg (24) below reation kettle (1).
2. The oil-gas heat exchanger for cooling in crude benzene production according to claim 1, wherein: the stirring blade (19) is a helical blade.
3. The oil-gas heat exchanger for cooling in crude benzene production according to claim 1, wherein: the radiating fins (9) are all obliquely arranged.
4. The oil-gas heat exchanger for cooling in crude benzene production according to claim 1, wherein: the radial length of the second split piece (11) is greater than the radial length of the first split piece (10).
5. The oil-gas heat exchanger for cooling in crude benzene production according to claim 1, wherein: the radial length of the limiting piece (20) is the distance between the adjacent stirring blades (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121599022.6U CN216024831U (en) | 2021-07-14 | 2021-07-14 | Oil-gas heat exchanger for cooling in crude benzene production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121599022.6U CN216024831U (en) | 2021-07-14 | 2021-07-14 | Oil-gas heat exchanger for cooling in crude benzene production |
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Publication Number | Publication Date |
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CN216024831U true CN216024831U (en) | 2022-03-15 |
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CN202121599022.6U Active CN216024831U (en) | 2021-07-14 | 2021-07-14 | Oil-gas heat exchanger for cooling in crude benzene production |
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2021
- 2021-07-14 CN CN202121599022.6U patent/CN216024831U/en active Active
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