CN204830950U - Large -scale double helix baffling plate heat exchanger - Google Patents
Large -scale double helix baffling plate heat exchanger Download PDFInfo
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- CN204830950U CN204830950U CN201520394718.3U CN201520394718U CN204830950U CN 204830950 U CN204830950 U CN 204830950U CN 201520394718 U CN201520394718 U CN 201520394718U CN 204830950 U CN204830950 U CN 204830950U
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Abstract
Large -scale double helix baffling plate heat exchanger, including casing, tube sheet, the tube sheet outside is connected with a branch of heat exchange tube for the pipe case between two tube sheets, and the heat exchange tube intercommunication is passed through in the pipe incasement chamber at both ends, is equipped with the pull rod and the distance sink tube of baffling board, restriction baffling board position in the casing, structure as an organic whole between tube sheet and the casing, heat exchange tube are fin formula heat exchange tube, the baffling board is for become 180 double helix formula each other, the peripheral distribution of baffling board has along the vertical baffle that sets up of casing, it is equipped with scour protection pin group to be located the shell side entrance in the casing inboard, the slide that lie in each parts of casing that be used for to casing push post assembling is equipped with in the peripheral of baffling board and the vertical central line bilateral symmetry that lies in the casing, vertical going up at the casing is connected with the fender pipe that prevents mutual radial deflection between the whenever adjacent baffling board. That big specification can be makeed into to the heat exchanger of this structure and improved heat exchange efficiency.
Description
Technical field
The utility model relates to a kind of heat exchanger, particularly a kind of large-scale double helix baffle plate type heat exchanger.
Background technology
Existing heat exchanger comprises housing, lays respectively at the left fixed tube sheet at housing two ends and right fixed tube sheet, the left end outlet bobbin carriage of left fixed tube sheet connecting band tube side outlet, the right-hand member import bobbin carriage of right fixed tube sheet connecting band tube side import, a branch of heat exchanger tube is connected with between left fixed tube sheet and right fixed tube sheet, the inner chamber of left end outlet bobbin carriage is communicated with by heat exchanger tube with the inner chamber of right-hand member import bobbin carriage, in housing, be provided with deflection plate, the pull bar limiting Lourver position and distance sink tube, housing is provided with shell side inlet and shell-side outlet.The heat exchanger of this structure is limited in specifications and models, cannot be made into relatively large heat exchanger, if diameter of the housing is at the heat exchanger of more than 2300mm.As strengthened each portion large scale of heat exchanger as far as possible during making, heat transfer effect can be had a strong impact on again.
Summary of the invention
The purpose of this utility model is to provide one conveniently can be made into that diameter of the housing is greater than 2300mm, good effect of heat exchange, installation are easy to large-scale double helix baffle plate type heat exchanger, overcomes the deficiencies in the prior art.
Large-scale double helix baffle plate type heat exchanger of the present utility model, comprise housing, lay respectively at the left fixed tube sheet at housing two ends and right fixed tube sheet, the left end outlet bobbin carriage of left fixed tube sheet connecting band tube side outlet, the right-hand member import bobbin carriage of right fixed tube sheet connecting band tube side import, a branch of heat exchanger tube is connected with between left fixed tube sheet and right fixed tube sheet, the inner chamber of left end outlet bobbin carriage is communicated with by heat exchanger tube with the inner chamber of right-hand member import bobbin carriage, is provided with deflection plate, the pull bar limiting Lourver position and distance sink tube in housing; Be structure as a whole between described left fixed tube sheet and housing, left fixed tube sheet doubles as the adpting flange exporting bobbin carriage with left end; Be structure as a whole between described right fixed tube sheet and housing, right fixed tube sheet doubles as the adpting flange with right-hand member import bobbin carriage; Described heat exchanger tube is rib heat exchanging pipe; Described deflection plate is be in the double-screw type of 180 °; The circumferential distribution of described deflection plate has the baffle plate longitudinally arranged along housing; Be positioned at shell side inlet place at case inside and be provided with erosion control pin group; At the periphery of deflection plate and the vertical center line bilateral symmetry being positioned at housing is provided with for the slideway being positioned at each parts of housing after pushing assembling to housing; The gear pipe preventing mutual radial deflection is connected with between deflection plate often adjacent in the longitudinal direction of housing.
Large-scale double helix baffle plate type heat exchanger of the present utility model, the interior diameter of wherein said housing is at least 2300mm, and the length of heat exchanger tube is at least 12000mm.
Large-scale double helix baffle plate type heat exchanger of the present utility model, wherein said spiral deflection plate is being φ 2286mm with the diameter projected in the lateral cross section of housing axes normal, deflection plate is at least 22.4 ° relative to the inclination angle of shell longitudinal center line, pitch is 1227mm, and helical pitch is 2454mm.
Large-scale double helix baffle plate type heat exchanger of the present utility model, overall diameter × wall thickness × the length of wherein said rib heat exchanging pipe is φ 19 × 2 × 12000mm, the spread pattern of rib heat exchanging pipe adopts cross section be equilateral triangle arrangement, adopts and does not affect heat exchange area and the relative asymmetric layout pull bar of deflection plate symmetrical center line.
Large-scale double helix baffle plate type heat exchanger of the present utility model, wherein said erosion control pin group is made up of the round steel of φ 16 arranged in parallel, and one end is connected with left fixed tube sheet, and the other end is connected with deflection plate.
Large-scale double helix baffle plate type heat exchanger of the present utility model, due to special structural design, can produce large-scale heat exchanger easily, double-screw type baffle arrangement significantly improves heat exchange efficiency, meet to demand that is large-scale or ultra-large type heat exchanger in industrial production, installation and maintenance are easy.Shell side medium is made with heat-exchanging tube bundle axis for axial screw is to flowing during operation, the flowing of fluid does not have stagnation dead band, the heat exchanger tube surface of whole tube bank all becomes effective heat-transfer area, the curvature of helical duct is even, fluid flows in equipment does not have large commutation, total resistance is little, effectively can prevent flow-induced vibration, thus can improve design current velocity and make it to possess higher heat-transfer capability, velocity of medium is higher than segmental baffle board heat exchangers, dirt not easily deposits wherein, and namely this kind of heat exchanger has self cleaning action.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detailed description of the invention;
Fig. 2 is the combining structure schematic diagram being positioned at housing and housing two ends tube sheet shown in Fig. 1.
Detailed description of the invention
As shown in Figure 1, 2: 12 is cylindric housing, uses steel plate roll-forming.The interior diameter of housing 12 is at least 2300mm.
The left end of housing 12 has left fixed tube sheet 1, left fixed tube sheet 1 with between housing 12 for welding, the right-hand member of housing 12 has right fixed tube sheet 17, right fixed tube sheet 17 with between housing 12 for welding.The left end outlet bobbin carriage 6 of left fixed tube sheet 1 connecting band tube side outlet 13, the right-hand member import bobbin carriage 8 of right fixed tube sheet 17 connecting band tube side import 16, left and right fixed tube sheet doubles as adpting flange.Housing 12 is provided with shell side inlet 14 and shell-side outlet 15.
Between left fixed tube sheet 1 and right fixed tube sheet 17, be connected with a branch of heat exchanger tube 2, rib heat exchanging pipe selected by heat exchanger tube 2.The length of heat exchanger tube is at least 12000mm.The inner chamber of left end outlet bobbin carriage 6 is communicated with by heat exchanger tube 2 with the inner chamber of right-hand member import bobbin carriage 8.Overall diameter × wall thickness × the length of rib heat exchanging pipe 2 is φ 19 × 2 × 12000mm, totally 6954.The spread pattern of rib heat exchanging pipe 2 adopts cross section to be equilateral triangle arrangement.
In housing 12, be provided with the deflection plate 3 led to shell side medium, deflection plate 3 is double-screw type, and the spiral deflection plate 3 of two row is in 180 ° of settings.Spiral deflection plate 3 is being φ 2286mm with the diameter projected in the lateral cross section of housing 12 axes normal, and deflection plate 3 is at least 22.4 ° relative to the inclination angle of housing 12 longitudinal centre line, and pitch is 1227mm, and helical pitch is 2454mm.Spiral deflection plate 3 to be tilted 22.4 ° of arrangements along housing 12 longitudinal centre line by the fanning strip of multiple 1/4, wherein the fanning strip of 1/4 is that the plane of spiral deflection plate 3 perpendicular to housing 12 longitudinal centre line is split to form, then centrally space out, make periphery form approximate helical wire shaped, between the fanning strip of adjacent 1/4, form gap.
Deflection plate 3 is that to carry out interval by many pull bars 4 and the distance sink tube 7 be sleeved on pull bar 4 spacing along housing 12 longitudinal centre line direction spacing, adopts and does not affect heat exchange area and the asymmetric layout Tiebar structure of deflection plate symmetrical center line relatively.The radial direction of deflection plate 3 is spacing is realized by the gear pipe 10 of mutual radial deflection that prevents of connection between deflection plate 3 often adjacent in the longitudinal direction of housing 12, and in order to gain in strength and rigidity, gear pipe 10 has selected reinforcing bar (roller) to make.
The circumferential distribution of deflection plate 3 has the by-pass damper 5 longitudinally arranged along housing 12.
Inside housing 12, be positioned at shell side inlet 14 place be provided with erosion control pin group 9, erosion control pin group 9 is made up of the round steel of φ 16 arranged in parallel, and one end is connected with left fixed tube sheet 1, and the other end is connected with deflection plate 3, cushions the medium entering shell side.
At the periphery of deflection plate 3 and the vertical center line bilateral symmetry being positioned at housing 12 be provided with for the slideway 11 being positioned at each parts of housing 12 after pushing assembling to housing 12, smoothly each parts of the formation cage structure in housing 12 are pushed the inner chamber of housing 12 when ensureing assembling.
The double helix deflection plate 3 of through every two adjacent quadrants of gear pipe 10, gear pipe adopts the round steel of φ 19mm, tube bank arranges slideway 11 and the by-pass damper 5 of thickening, meeting stile when deflection plate 3 lap-joint can increase tube bank assembling or reinforcing bar, tube bank also can arrange necessary support, thus play the effect of accurately fixing double helix deflection plate, strengthen the rigidity of the support cage that each parts of case inside are formed, ensure the axiality in corresponding fin heat exchange pipe hole in deflection plate 3 and tube sheet, thus make wall thickness thin, long and the fin heat exchange pipe of poor rigidity of length can pass through in the pore of the fixed tube sheet at two ends and helical baffles 3, play the effect of fixing overall tube bank simultaneously, installation between convenient tube bank and housing 12.Tube bank is installed to after in housing 12, and 6954 extractions of fin heat exchange pipe in another tubesheet holes adopt guide post, for the assembling of elongated fin heat exchange pipe between two fixed tube sheets provides effective guarantee.
Large-scale double helix baffle plate type heat exchanger of the present utility model, shell side medium is made with heat-exchanging tube bundle axis for axial screw is to flowing during operation, the flowing of fluid does not have stagnation dead band, the heat exchanger tube surface of whole tube bank all becomes effective heat-transfer area, the curvature of helical duct is even, fluid flows in equipment does not have large commutation, total resistance is little, effectively can prevent flow-induced vibration, thus can improve design current velocity and make it to possess higher heat-transfer capability, velocity of medium is higher than segmental baffle board heat exchangers, dirt not easily deposits wherein, namely this kind of heat exchanger has self cleaning action.
Claims (5)
1. one kind large-scale double helix baffle plate type heat exchanger, comprise housing (12), lay respectively at left fixed tube sheet (1) and the right fixed tube sheet (17) at housing (12) two ends, left end outlet bobbin carriage (6) of left fixed tube sheet (1) connecting band tube side outlet (13), the right-hand member import bobbin carriage (8) of right fixed tube sheet (17) connecting band tube side import (16), a branch of heat exchanger tube (2) is connected with between left fixed tube sheet (1) and right fixed tube sheet (17), the inner chamber of left end outlet bobbin carriage (6) is communicated with by heat exchanger tube (2) with the inner chamber of right-hand member import bobbin carriage (8), deflection plate (3) is provided with in housing (12), the pull bar (4) of restriction deflection plate (3) position and distance sink tube (7),
It is characterized in that: be structure as a whole between described left fixed tube sheet (1) and housing (12), left fixed tube sheet (1) doubles as the adpting flange exporting bobbin carriage (6) with left end;
Be structure as a whole between described right fixed tube sheet (17) and housing (12), right fixed tube sheet (17) doubles as the adpting flange with right-hand member import bobbin carriage (8);
Described heat exchanger tube (2) is rib heat exchanging pipe;
Described deflection plate (3) double-screw type for being in 180 °;
The circumferential distribution of described deflection plate (3) has the baffle plate (5) longitudinally arranged along housing (12);
Be positioned at shell side inlet (14) place in housing (12) inner side and be provided with erosion control pin group (9);
At the periphery of deflection plate (3) and the vertical center line bilateral symmetry being positioned at housing (12) is provided with for the slideway (11) being positioned at each parts of housing (12) after pushing assembling to housing (12);
The gear pipe (10) preventing mutual radial deflection is connected with between deflection plate (3) often adjacent in the longitudinal direction of housing (12).
2. large-scale double helix baffle plate type heat exchanger according to claim 1, is characterized in that: the interior diameter of described housing (12) is at least 2300mm, and the length of heat exchanger tube is at least 12000mm.
3. large-scale double helix baffle plate type heat exchanger according to claim 2, it is characterized in that: described spiral deflection plate (3) is being φ 2286mm with the diameter projected in the lateral cross section of housing axes normal, deflection plate (3) is at least 22.4 ° relative to the inclination angle of housing (12) longitudinal centre line, pitch is 1227mm, and helical pitch is 2454mm.
4. the large-scale double helix baffle plate type heat exchanger according to claim 1 or 2 or 3, it is characterized in that: the overall diameter × wall thickness × length of described rib heat exchanging pipe (2) is φ 19 × 2 × 12000mm, the spread pattern of rib heat exchanging pipe (2) adopts cross section be equilateral triangle arrangement, adopts and does not affect heat exchange area and the relative asymmetric layout pull bar of deflection plate symmetrical center line.
5. large-scale double helix baffle plate type heat exchanger according to claim 4, is characterized in that: described erosion control pin group (9) is made up of the round steel of φ 16 arranged in parallel, and one end is connected with left fixed tube sheet (1), and the other end is connected with deflection plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394718.3U CN204830950U (en) | 2015-06-10 | 2015-06-10 | Large -scale double helix baffling plate heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394718.3U CN204830950U (en) | 2015-06-10 | 2015-06-10 | Large -scale double helix baffling plate heat exchanger |
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| CN204830950U true CN204830950U (en) | 2015-12-02 |
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| CN201520394718.3U Active CN204830950U (en) | 2015-06-10 | 2015-06-10 | Large -scale double helix baffling plate heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043141A (en) * | 2015-06-10 | 2015-11-11 | 大连东方亿鹏设备制造有限公司 | Large double-helix baffle type heat exchanger |
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2015
- 2015-06-10 CN CN201520394718.3U patent/CN204830950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043141A (en) * | 2015-06-10 | 2015-11-11 | 大连东方亿鹏设备制造有限公司 | Large double-helix baffle type heat exchanger |
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