CN201242373Y - Composite casing tube double helix heat exchanger - Google Patents
Composite casing tube double helix heat exchanger Download PDFInfo
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- CN201242373Y CN201242373Y CNU2008200094390U CN200820009439U CN201242373Y CN 201242373 Y CN201242373 Y CN 201242373Y CN U2008200094390 U CNU2008200094390 U CN U2008200094390U CN 200820009439 U CN200820009439 U CN 200820009439U CN 201242373 Y CN201242373 Y CN 201242373Y
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Abstract
A composite sleeve double-helix heat exchanger is provided. At prevent, a tubular heat exchanger which is widely applied is formed by a single heat exchange pipe or a pipe bundle, and the stagnant layer of fluid in a pipe is thick, the heat transfer coefficient is small, and the flow velocity of fluid outside the pipe is extremely slow, and the circulating state is poor. In the composite sleeve double-helix heat exchanger, an inner flow channel is formed by a central pipe with a hollow inner pipe and a helical vane, and an outer flowing passage is formed by an outer pipe with a central pipe and a helical vane in a double-helix triple sleeve heat exchange pipe bundle, and two phase fluid rapidly flows forwards in the pipe in a ring-shaped thin and helical washing way. The structure can improve the heat exchange property of the heat exchanger.
Description
Technical field:
The utility model relates to a kind of chemical engineering unit operation equipment, more particularly, is interior three layers of composite bushing and the double-stranded new-type shell-and-tube heat exchanger of reverse convection current in having outward.
Background technology:
At present, the pipe heat exchanger of extensive use, its two-phase fluid flows respectively at pipe is inside and outside, conducts heat by tube wall.Tube fluid, nearly tube wall place detention layer is thicker, flow velocity is low, and thermograde is bigger, and heat transfer coefficient is little, extratubal fluid, extremely low at the inner flow velocity of heat exchanger, cause the device that improves its recurrent state, all be difficult to bring into play better action, make the shell side coefficient of heat transfer always less than the tube side coefficient of heat transfer, and cause total coefficient of heat transfer to be in all the time much smaller than one of the plate type heat exchanger coefficient lower level.
Summary of the invention:
The purpose of this utility model provide a kind of have outer in the shell-and-tube heat exchanger of interior three layers of composite bushing and the double-stranded new-type heat-exchanging tube bundle of reverse convection current, pipe and hollow interior pipe composition inner sleeve in promptly using, form the internal flow channel of the thin layer of annular between its sleeve pipe, and on internal flow channel, be provided with internal helical blades, simultaneously, form outer tube with outer tube and middle pipe, form the outflow channel of the thin layer of annular between its sleeve pipe, and on outflow channel, be provided with the external spiral blade opposite with the internal helical blades rotation direction, the low speed at the big cross-sectional area of shell side of extratubal fluid is flowed, become the ring-type thin layer of the inside and outside fluid space of outer tube, spiral washes away flowing forward, make the detention layer attenuate, the new-type shell-and-tube heat exchanger that heat-transfer character is improved.
Above-mentioned purpose can be achieved through the following technical solutions:
Composite sleeve double-helix heat exchanger, its composition comprises: have the first fluid intake, the cylindrical shell of outlet and expansion joint, the nearly left end of described cylindrical shell place is fixed with left internal tube plate, described cylindrical shell left end is fixed with the left outer tube plate, the nearly right-hand member of described cylindrical shell place is fixed with right internal tube plate, described cylindrical shell right-hand member is fixed with the right outer tube plate, described cylindrical shell middle part is fixed with the intermediate supports tube sheet, described cylindrical shell middle part is fixed with bearing, be fixed with the left end of each outer tube of heat-exchanging tube bundle on the described left outer tube plate, be fixed with the right-hand member of each outer tube of heat-exchanging tube bundle on the described right outer tube plate, be fixed with outer tube left end closure plate on the described outer tube left side, be fixed with outer tube right-hand member closure plate on the described outer tube right side, described outer tube nearly left end place and nearly right-hand member place have logical liquid window, be fixed with the left end and the right-hand member of pipe in each of heat-exchanging tube bundle on described outer tube left end closure plate and the described outer tube right-hand member closure plate respectively, the fixed outside of pipe has the external spiral blade in described, be connected with short security strip on the described left outer tube plate, described short security strip is connected with long security strip by bolt, described long security strip is connected with short fixed bar by bolt, be connected with short security strip on the described right outer tube plate, described short security strip is connected with long security strip by bolt, described long security strip is connected with short fixed bar by bolt, the left side of pipe in each of described short fixed bar and heat-exchanging tube bundle is hollow, the right-hand member closure plate fixes, the left end closure plate of described hollow interior pipe, the right-hand member closure plate is fixed on the left end and the right-hand member of hollow interior pipe, the fixed outside of described hollow interior pipe has internal helical blades, described left outer tube plate is connected with the left pipe box flange by sealing gasket and turnbuckle, be fixed with left pipe box on the described left pipe box flange, be fixed with left end socket on the described left pipe box, be fixed with the second fluid inlet on the described left pipe box, described right outer tube plate is connected with the right pipe box flange by sealing gasket and turnbuckle, be fixed with right pipe box on the described right pipe box flange, be fixed with right end socket on the described right pipe box, be fixed with the second fluid issuing on the described right pipe box.
Above-mentioned composite sleeve double-helix heat exchanger, described composite sleeve double-helix heat-exchanging tube bundle can adopt fixed tube sheet type composite sleeve double-helix heat exchanger version (Fig. 1), also can adopt floating head type composite sleeve double-helix heat exchanger version (Fig. 2), U-shaped tubular type composite sleeve double-helix heat exchanger version (Fig. 3), and other is the heat exchanger structure form of agent structure or technological core with the composite sleeve double-helix heat-exchanging tube bundle.
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made (Fig. 4) by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make (Fig. 5).
Above-mentioned composite sleeve double-helix heat exchanger, described each outer tube two ends are connected or fixed form with left and right sides outer tube plate, promptly can adopt welding or expanded joint, also can adopt sealed attachment, sealed attachment both can adopt other sealed attachment mode commonly used, also can adopt hollow bolt sealed attachment mode (Fig. 6, Fig. 7), described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Above-mentioned composite sleeve double-helix heat exchanger, described each outer tube promptly can adopt two ends to be connected with left and right sides outer tube plate or fixing mode, also can adopt two ends to be connected or fixing mode with left and right sides internal tube plate, described each outer tube and left and right sides internal tube plate fix the time, described right internal tube plate promptly can adopt the tube sheet mode (Fig. 8) of marginal belt segmental arc, also can adopt the mode (Fig. 9) of common flat tube sheet.
This scheme has following beneficial effect:
1 the utility model adopts composite sleeve double-helix heat-exchanging tube bundle formula heat exchanger tube, make tube side and shell-side fluid by traditional plug flow become laminar flows, ring-type forward, spiral washes away, and heat-transfer character is improved, heat transfer coefficient and speed improve, heat-transfer effect improves, significantly energy savings.
2 the utility model adopt composite sleeve double-helix heat-exchanging tube bundle formula heat exchanger tube, make tube side and shell-side fluid all become laminar flows, ring-type forward, the spiral quick flow regime of washing away, and the rotation of outer fluid helical flow path is respectively clockwise, counterclockwise opposite in making, heat-transfer character is greatly improved, heat transfer efficiency greatly improves, overall heat-transfer coefficient and speed improve, and heat-transfer effect improves, significantly energy savings.
3 the utility model adopt composite sleeve double-helix heat-exchanging tube bundle formula heat exchanger tube, make tube side and shell-side fluid all become laminar flows, ring-type forward, the spiral quick flow regime of washing away, overall heat-transfer coefficient and speed improve, can rapid heat cycle, heat transfer temperature difference reduces, and the equipment application surface enlarges, and is greatly favourable to the production technology design, can also shorten device length, make more compact structure, efficient.Simultaneously, three pipe Composite Double sleeve pipe internal and external screws help theoretic further discussion to revolving countercurrent heat-transfer mode configuration novelty.
Description of drawings:
Accompanying drawing 1 is the schematic diagram of the structure of this product.
Accompanying drawing 2 is schematic diagrames of the structure of this product of floating head type.
Accompanying drawing 3 is schematic diagrames of the structure of this product of U-shaped tubular type.
Accompanying drawing 4 is version figure that the double helix blade adopts the arc lath.
Accompanying drawing 5 is version figure that the double helix blade adopts round steel.
Accompanying drawing 6 is this product structure figure that middle pipe adopts sealed attachment.
Accompanying drawing 7 is hollow bolt sealed structure charts.
Accompanying drawing 8 is product structure figure of right internal tube plate band segmental arc.
Accompanying drawing 9 is that right internal tube plate is dull and stereotyped product structure figure.
Accompanying drawing 10 is conventional fixed tube-sheet heat exchanger structure charts.
The specific embodiment:
Embodiment one:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 nearly left end places are fixed with left internal tube plate 5, described cylindrical shell 6 left ends are fixed with left outer tube plate 24, described cylindrical shell 6 nearly right-hand member places are fixed with right internal tube plate 9, described cylindrical shell 6 right-hand members are fixed with right outer tube plate 10, described cylindrical shell 6 middle parts are fixed with intermediate supports tube sheet 8, described cylindrical shell 6 middle parts are fixed with bearing 20, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left outer tube plate 24, be fixed with the right-hand member of each outer tube 19 of heat-exchanging tube bundle on the described right outer tube plate 10, described outer tube is fixed with outer tube left end closure plate 29 on 19 left sides, described outer tube is fixed with outer tube right-hand member closure plate 29 on 19 right sides, described outer tube 19 nearly left end places and nearly right-hand member place have logical liquid window 28, a described outer tube left side, be fixed with the left end of pipe 18 in each of heat-exchanging tube bundle on the right-hand member closure plate 29, right-hand member, the fixed outside of pipe 18 has external spiral blade 21 in described, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, be connected with short security strip 26 on the described right outer tube plate 10, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, the left side of pipe in each of described short fixed bar 13 and heat-exchanging tube bundle is hollow, right-hand member closure plate 30 fixes, the left side of described hollow interior pipe, right-hand member closure plate 30 is fixed on the left end and the right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with second fluid inlet 3 on the described left pipe box 2, described right outer tube plate 10 is connected with right pipe box flange 11 by sealing gasket and turnbuckle, be fixed with right pipe box 12 on the described right pipe box flange 11, be fixed with right end socket 14 on the described right pipe box 12, be fixed with second fluid issuing 16 (see figure 1)s on the described right pipe box 12.
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Embodiment two:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 nearly left end places are fixed with left internal tube plate 5, described cylindrical shell 6 left ends are fixed with left outer tube plate 24, described cylindrical shell 6 nearly right-hand member places are fixed with right internal tube plate 9, described cylindrical shell 6 right-hand members are fixed with the right flange 10 of cylindrical shell, described cylindrical shell 6 middle parts are fixed with intermediate supports tube sheet 8, described cylindrical shell 6 middle parts are fixed with bearing 20, be fixed with dividing plate 40 on the described left outer tube plate 24, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left outer tube plate 24, be fixed with floating tubesheet 31 on the right-hand member of each outer tube 19 of described heat-exchanging tube bundle, described floating tubesheet 31 links by sealing gasket and turnbuckle and Floating Head Flange 32, be fixed with floating head end socket 33 on the described Floating Head Flange 32, described outer tube is fixed with outer tube left end closure plate 29 on 19 left sides, described outer tube is fixed with outer tube right-hand member closure plate 29 on 19 right sides, described outer tube 19 nearly left end places and nearly right-hand member place have logical liquid window 28, a described outer tube left side, be fixed with the left end of pipe 18 in each of heat-exchanging tube bundle on the right-hand member closure plate 29, right-hand member, the fixed outside of pipe 18 has external spiral blade 21 in described, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, described short fixed bar 13 fixes with the left end closure plate 30 of each hollow interior pipe of heat-exchanging tube bundle, the left side of described hollow interior pipe, right-hand member closure plate 30 fixes with the left end and the right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with dividing plate 41 on the described left end socket 1, be fixed with second fluid inlet 3 and outlet 16 on the described left pipe box 2, the right flange 10 of described cylindrical shell is connected with right cover flange 11 by sealing gasket and turnbuckle, be fixed with right end socket 14 on the described right cover flange 11, (Fig. 2).
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Embodiment three:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 left ends are fixed with cylindrical shell left side flange 34, described cylindrical shell 6 right-hand members are fixed with the right end socket 14 of cylindrical shell, described cylindrical shell 6 middle parts are fixed with bearing 20, described cylindrical shell left side flange 34 and left outer tube plate 24 be sealed attachment mutually, be fixed with dividing plate 40 on the described left outer tube plate 24, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left outer tube plate 24, the nearly left end place of described each outer tube 19 is fixed with left internal tube plate 5, described each outer tube 19 nearly right-hand member place are fixed with right internal tube plate 9, described each outer tube 19 middle part are fixed with intermediate supports tube sheet 8, described outer tube is fixed with outer tube left end closure plate 29 on 19 left sides, described outer tube 19 nearly left end places have logical liquid window 28, the left end of pipe 18 in each U-shaped of described outer tube left side closure plate 29 and heat-exchanging tube bundle, the right part fixes, the fixed outside of pipe 18 has external spiral blade 21 in the described U-shaped, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, described short fixed bar 13 fixes with the left end closure plate 30 of each hollow interior pipe of heat-exchanging tube bundle, the left closure plate 30 of described hollow interior pipe is fixed on the left end and the right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with dividing plate 41 on the described left end socket 1, be fixed with second fluid inlet 3 on the described left pipe box 2, (Fig. 3).
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Embodiment four:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 nearly left end places are fixed with left internal tube plate 5, described cylindrical shell 6 left ends are fixed with cylindrical shell left side flange 34, described cylindrical shell 6 nearly right-hand member places are fixed with right internal tube plate 9, described cylindrical shell 6 middle parts are fixed with intermediate supports tube sheet 8, described cylindrical shell 6 right-hand members are fixed with cylindrical shell left side flange 35, described cylindrical shell 6 middle parts are fixed with bearing 20, described cylindrical shell left side flange 34 and left outer tube plate 24 be sealed attachment mutually, the right flange 35 of described cylindrical shell and right outer tube plate 10 be sealed attachment mutually, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left internal tube plate 5, reach the right-hand member that is fixed with each outer tube 19 of heat-exchanging tube bundle on the described right internal tube plate 9, be fixed with sealing hollow bolt seat 36 on described left outer tube plate 24 and the described right outer tube plate 10, edge packing packing 38 in the described sealing hollow bolt seat 36, link with hollow bolt 37 on described sealing hollow bolt seat 36 and the described sealing gasket 38, the left end of pipe 18 in each of described sealing gasket 38 and heat-exchanging tube bundle, right-hand member phase sealed attachment, the fixed outside of pipe 18 has external spiral blade 21 in described, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, be connected with short security strip 26 on the described right outer tube plate 10, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, the left side of pipe in each of described short fixed bar 13 and heat-exchanging tube bundle is hollow, right closure plate 30 fixes, the left side of described hollow interior pipe, right-hand member closure plate 30 is fixed on the left end and right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with second fluid inlet 3 on the described left pipe box 2, described right outer tube plate 10 is connected with right pipe box flange 11 by sealing gasket and turnbuckle, be fixed with right pipe box 12 on the described right pipe box flange 11, be fixed with right end socket 14 on the described right pipe box 12, be fixed with second fluid issuing 16 (Fig. 6) on the described right pipe box 12.
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Embodiment five:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 nearly left end places are fixed with left internal tube plate 5, described cylindrical shell 6 left ends are fixed with left outer tube plate 24, described cylindrical shell 6 nearly right-hand member places are fixed with the right internal tube plate 9 of band segmental arc, described cylindrical shell 6 right-hand members are fixed with right outer tube plate 10, described cylindrical shell 6 middle parts are fixed with bearing 20, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left internal tube plate 5, be fixed with the right-hand member of each outer tube 19 of heat-exchanging tube bundle on the right internal tube plate 9 of described band segmental arc, described each outer tube 19 middle part are fixed with intermediate supports tube sheet 8, be fixed with bolt 39 on described left internal tube plate 5 and the intermediate supports tube sheet 8, be fixed with the left end of pipe 18 in each of heat-exchanging tube bundle on the described left outer tube plate 24, be fixed with the right-hand member of pipe 18 in each of heat-exchanging tube bundle on the described right outer tube plate 10, the fixed outside of pipe 18 has external spiral blade 21 in described, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, be connected with short security strip 26 on the described right outer tube plate 10, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, the left side of pipe in each of described short fixed bar 13 and heat-exchanging tube bundle is hollow, right-hand member closure plate 30 fixes, the left side of described hollow interior pipe, right-hand member closure plate 30 is fixed on the left end and the right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with second fluid inlet 3 on the described left pipe box 2, described right outer tube plate 10 is connected with right pipe box flange 11 by sealing gasket and turnbuckle, be fixed with right pipe box 12 on the described right pipe box flange 11, be fixed with right end socket 14 on the described right pipe box 12, be fixed with second fluid issuing 16 (Fig. 8) on the described right pipe box 12.
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
Embodiment six:
Composite sleeve double-helix heat exchanger, its composition comprises: have first fluid intake 17, the cylindrical shell 6 of outlet 4 and expansion joint 7, described cylindrical shell 6 nearly left end places are fixed with left internal tube plate 5, described cylindrical shell 6 left ends are fixed with left outer tube plate 24, described cylindrical shell 6 nearly right-hand member places are fixed with dull and stereotyped right internal tube plate 9, described cylindrical shell 6 right-hand members are fixed with right outer tube plate 10, described cylindrical shell 6 middle parts are fixed with bearing 20, be fixed with the left end of each outer tube 19 of heat-exchanging tube bundle on the described left internal tube plate 5, reach the right-hand member that is fixed with each outer tube 19 of heat-exchanging tube bundle on the right internal tube plate 9 of described flat board, described each outer tube 19 middle part are fixed with intermediate supports tube sheet 8, be fixed with bolt 39 on described left internal tube plate 5 and the intermediate supports tube sheet 8, be fixed with the left end of pipe 18 in each of heat-exchanging tube bundle on the described left outer tube plate 24, be fixed with the right-hand member of pipe 18 in each of heat-exchanging tube bundle on the described right outer tube plate 10, the fixed outside of pipe 18 has external spiral blade 21 in described, be connected with short security strip 26 on the described left outer tube plate 24, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, be connected with short security strip 26 on the described right outer tube plate 10, described short security strip 26 is connected with long security strip 27 by bolt, described long security strip 27 is connected with short fixed bar 13 by bolt 15, the left side of pipe in each of described short fixed bar 13 and heat-exchanging tube bundle is hollow, right-hand member closure plate 30 fixes, the left side of described hollow interior pipe, right-hand member closure plate 30 is fixed on the left end and the right-hand member of hollow interior pipe 23, the fixed outside of described hollow interior pipe 23 has internal helical blades 22, described left outer tube plate 24 is connected with left pipe box flange 25 by sealing gasket and turnbuckle, be fixed with left pipe box 2 on the described left pipe box flange 25, be fixed with left end socket 1 on the described left pipe box 2, be fixed with second fluid inlet 3 on the described left pipe box 2, described right outer tube plate 10 is connected with right pipe box flange 11 by sealing gasket and turnbuckle, be fixed with right pipe box 12 on the described right pipe box flange 11, be fixed with right end socket 14 on the described right pipe box 12, be fixed with second fluid issuing 16 (Fig. 9) on the described right pipe box 12.
Above-mentioned composite sleeve double-helix heat exchanger, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, also can diameter and the round steel that is close of annular channel gap width or round bar be fastened by spiral way and on casing wall, make, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
The above only is that preferred forms of the present invention is given an example; all specialty or relevant speciality technical staff use technological core of the present invention and carry out local the change and the flexible similar technical scheme that is produced, and all should be encompassed among protection scope of the present invention.
Claims (5)
1. shell-and-tube heat exchanger, its composition comprises: have the first fluid intake, the cylindrical shell of outlet and expansion joint, it is characterized in that: the nearly left end of described cylindrical shell place is fixed with left internal tube plate, described cylindrical shell left end is fixed with the left outer tube plate, the nearly right-hand member of described cylindrical shell place is fixed with right internal tube plate, described cylindrical shell right-hand member is fixed with the right outer tube plate, described cylindrical shell middle part is fixed with the intermediate supports tube sheet, described cylindrical shell middle part is fixed with bearing, be fixed with the left end of each outer tube of heat-exchanging tube bundle on the described left outer tube plate, be fixed with the right-hand member of each outer tube of heat-exchanging tube bundle on the described right outer tube plate, be fixed with outer tube left end closure plate on the described outer tube left side, be fixed with outer tube right-hand member closure plate on the described outer tube right side, described outer tube nearly left end place and nearly right-hand member place have logical liquid window, be fixed with the left end and the right-hand member of pipe in each of heat-exchanging tube bundle on described outer tube left end closure plate and the described outer tube right-hand member closure plate respectively, the fixed outside of pipe has the external spiral blade in described, be connected with short security strip on the described left outer tube plate, described short security strip links by bolt and long security strip, described long security strip links by bolt and short fixed bar, link with short security strip on the described right outer tube plate, described short security strip links by bolt and long security strip, described long security strip links by bolt and short fixed bar, the left side of pipe in each of described short fixed bar and heat-exchanging tube bundle is hollow, the right-hand member closure plate fixes, the left end closure plate of described hollow interior pipe, the right-hand member closure plate is fixed on the left end and right-hand member of hollow interior pipe, the fixed outside of described hollow interior pipe has internal helical blades, described left outer tube plate is connected with the left pipe box flange by sealing gasket and turnbuckle, be fixed with left pipe box on the described left pipe box flange, be fixed with left end socket on the described left pipe box, be fixed with the second fluid inlet on the described left pipe box, described right outer tube plate is connected with the right pipe box flange by sealing gasket and turnbuckle, be fixed with right pipe box on the described right pipe box flange, be fixed with right end socket on the described right pipe box, be fixed with the second fluid issuing on the described right pipe box.
2. shell-and-tube heat exchanger according to claim 1, described composite sleeve double-helix heat-exchanging tube bundle can adopt fixed tube sheet type composite sleeve double-helix heat exchanger version, also can adopt floating head type composite sleeve double-helix heat exchanger version, U-shaped tubular type composite sleeve double-helix heat exchanger version, single entry composite sleeve double-helix heat exchanger version, and other is the heat exchanger structure form of agent structure or technological core with the composite sleeve double-helix heat-exchanging tube bundle.
3. shell-and-tube heat exchanger according to claim 1, described its helical blade of inside and outside double helix can be made by the curved thin plate bar, and also round steel that can be close with diameter and annular channel gap width or round bar are fastened by spiral way and make on casing wall.
4. shell-and-tube heat exchanger according to claim 1, described in each, outer tube two ends are connected or fixed form with left and right sides tube sheet, promptly can adopt welding or expanded joint, also can adopt sealed attachment, sealed attachment both can adopt other sealed attachment mode commonly used, also can adopt hollow bolt sealed attachment mode, described each hollow in pipe two ends can adopt bolt to connect, fixed form such as can adopt that also other and middle pipe pad are consolidated.
5. shell-and-tube heat exchanger according to claim 1, described each outer tube promptly can adopt two ends to be connected with left and right sides outer tube plate or fixing mode, also can adopt two ends to be connected or fixing mode with left and right sides internal tube plate, when described each outer tube and left and right sides internal tube plate fix, described right internal tube plate promptly can adopt the mode of common flat tube sheet, also can adopt the tube sheet mode of marginal belt segmental arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200094390U CN201242373Y (en) | 2008-04-18 | 2008-04-18 | Composite casing tube double helix heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200094390U CN201242373Y (en) | 2008-04-18 | 2008-04-18 | Composite casing tube double helix heat exchanger |
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| CN201242373Y true CN201242373Y (en) | 2009-05-20 |
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Cited By (7)
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| CN101566437B (en) * | 2008-04-26 | 2013-07-10 | 赵文阁 | Composite sleeve double-helix heat exchanger |
| CN104913672A (en) * | 2015-06-17 | 2015-09-16 | 高金建 | Box type shell and tube heat exchanger |
| CN104990430A (en) * | 2015-07-24 | 2015-10-21 | 孙东德 | Coaxial body combination heat exchanger |
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
| CN106247316A (en) * | 2016-07-29 | 2016-12-21 | 太仓英达锅炉设备有限公司 | A kind of boiler superheater |
| CN111121517A (en) * | 2019-12-20 | 2020-05-08 | 西安交通大学 | Self-balancing anti-blocking solid bulk material heat exchanger |
| CN113432454A (en) * | 2021-07-14 | 2021-09-24 | 哈尔滨锅炉厂有限责任公司 | Non-circular cross-section double-tube-pass spiral heat exchanger tube bundle structure |
-
2008
- 2008-04-18 CN CNU2008200094390U patent/CN201242373Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566437B (en) * | 2008-04-26 | 2013-07-10 | 赵文阁 | Composite sleeve double-helix heat exchanger |
| CN104913672A (en) * | 2015-06-17 | 2015-09-16 | 高金建 | Box type shell and tube heat exchanger |
| CN104990430A (en) * | 2015-07-24 | 2015-10-21 | 孙东德 | Coaxial body combination heat exchanger |
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
| CN106247316A (en) * | 2016-07-29 | 2016-12-21 | 太仓英达锅炉设备有限公司 | A kind of boiler superheater |
| CN106247316B (en) * | 2016-07-29 | 2019-05-03 | 安徽中节环保新能源有限公司 | A kind of boiler superheater |
| CN111121517A (en) * | 2019-12-20 | 2020-05-08 | 西安交通大学 | Self-balancing anti-blocking solid bulk material heat exchanger |
| CN113432454A (en) * | 2021-07-14 | 2021-09-24 | 哈尔滨锅炉厂有限责任公司 | Non-circular cross-section double-tube-pass spiral heat exchanger tube bundle structure |
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