CN210242496U - Shell-and-tube heat exchanger with serial connection of sheets - Google Patents
Shell-and-tube heat exchanger with serial connection of sheets Download PDFInfo
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- CN210242496U CN210242496U CN201920992868.2U CN201920992868U CN210242496U CN 210242496 U CN210242496 U CN 210242496U CN 201920992868 U CN201920992868 U CN 201920992868U CN 210242496 U CN210242496 U CN 210242496U
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Abstract
The utility model discloses a shell and tube heat exchanger of slice series connection, be equipped with shell pass business turn over liquid flange on the casing, be equipped with the adapter of wearing the shell on the casing end cover, inside tube side subassembly and the baffle subassembly of being equipped with of casing, wherein the concentric circular coil pipe of slice that the tube side subassembly set up by a plurality of parallels side by side forms through welding or high-pressure special cutting ferrule elbow and switching union coupling, the baffle subassembly is by the needle rib spoiler that a plurality of parallels side by side set up, the locating lever of fixed a plurality of needle rib spoilers, the cover is located and is used for carrying out spacing short locating bar cover and long locating bar cover and installing on the locating lever both ends and be used for carrying out the lock nut who fixes a position locking to short locating bar cover and long locating bar cover and constitute. The utility model discloses effectively solve under the withstand voltage prerequisite of high-pressure hydrogen tube side for heat exchanger structure is nimble compacter, heat transfer performance is more high-efficient, the maintenance is more convenient, through the vortex design of baffling board subassembly, breaks fluid boundary layer in order to strengthen the heat transfer effect.
Description
Technical Field
The utility model belongs to the technical field of the shell and tube type heat exchanger, concretely relates to shell and tube type heat exchanger of lamellar series connection.
Background
In the process of quickly filling high-pressure hydrogen into a fuel cell automobile-mounted hydrogen system by a hydrogenation machine in a hydrogenation station, if the temperature control measure is not taken, the temperature in a gas cylinder in the vehicle-mounted hydrogen system can be quickly increased due to the compression heat and the Joule-Thompson effect in the hydrogen filling process, and the allowable use temperature range of the hydrogen storage cylinder is far exceeded, so that great potential safety hazards are brought. Therefore, before filling hydrogen, a pre-cooling treatment of high-pressure hydrogen through a heat exchanger is usually required.
The hydrogenation station needs a heat exchanger which has high safety, high pressure resistance, hydrogen embrittlement resistance, good reliability, compact structure, small size, simple and convenient processing, installation and maintenance and high heat exchange efficiency so as to meet the requirement of quick precooling of hydrogen when high-pressure hydrogen is filled. However, the commercial heat exchanger suitable for bearing pressure in the market at present, including the heat exchangers commonly applied to shell-and-tube heat exchangers, spiral tube heat exchangers and various heat exchangers modified on the basis, is difficult to meet the relevant requirements of high-pressure hydrogen of a hydrogenation station on heat exchange precooling, so that a novel high-pressure-resistant compact high-efficiency heat exchanger is urgently needed to solve the problem of hydrogenation precooling.
Disclosure of Invention
The utility model provides a technical problem provide a shell and tube type heat exchanger that compact structure is nimble reasonable, processing simple installation and the better slice that can resist highly compressed series connection of heat transfer effect.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme, a shell and tube heat exchanger that slice is established ties, including the casing and through the sealed shell end cover that is fixed in the casing both ends of locking bolt, its characterized in that: the shell is provided with a shell pass liquid inlet and outlet flange, a shell penetrating adapter is arranged on a shell end cover, a tube pass assembly and a baffle plate assembly are arranged inside the shell, wherein the tube pass assembly is formed by connecting a plurality of parallel flaky concentric circular coil pipes in series through welding or high-pressure special clamping sleeve elbows and switching pipes, the baffle plate assembly is composed of a plurality of parallel needle rib spoilers arranged in parallel, a positioning rod for fixing the plurality of needle rib spoilers, a short positioning rod sleeve and a long positioning rod sleeve which are sleeved on the positioning rod and used for limiting the needle rib spoilers, and locking nuts which are arranged at two ends of the positioning rod and used for positioning and locking the short positioning rod sleeve and the long positioning rod sleeve, and the plurality of parallel needle rib spoilers arranged in parallel are alternately arranged between the plurality of parallel flaky concentric circular coil pipes arranged in parallel.
Preferably, the shell pass liquid inlet and outlet flange is fixed on the shell through welding, the shell pass liquid inlet and outlet flange is a liquid side inlet and outlet, liquid enters the shell through the liquid side inlet and is discharged from the liquid side outlet after continuously disturbed flow through the baffle plate assembly, and a circulating medium of the tube pass assembly is high-pressure fluid.
Preferably, the two ends of the shell are respectively provided with a connecting flange, the shell end cover is provided with a mounting hole matched with the connecting flanges at the two ends of the shell, the shell end cover and the connecting flanges at the two ends of the shell are fixedly connected through a locking bolt, the inner side of the mounting hole is provided with an annular sealing groove for mounting an O-shaped sealing ring, the O-shaped sealing ring is mounted in the annular sealing groove, and the shell end cover is provided with a threaded hole corresponding to a shell-penetrating adapter used when the tube side assembly penetrates the shell.
Preferably, the quantity of the concentric circular coil pipe of slice in the tube side subassembly carries out nimble assembly according to heat transfer volume size and casing length, the exit distribution in the concentric circular coil pipe both sides of slice, through welding or high-pressure special cutting ferrule elbow and switching pipe series connection between the concentric circular coil pipe of adjacent slice, the concentric circular coil pipe import of slice that is in the inlet end passes through shell adapter and the outside admission line of casing on the casing end cover to be connected, the concentric circular coil pipe export that is in the end of giving vent to anger is connected with the outside pipeline of casing through the shell adapter that passes on the casing end cover.
Preferably, the outer diameter of a pin fin spoiler in the baffle assembly is matched with the inner diameter of the shell, a staggered notch used for connecting adjacent flaky concentric circular coil connecting pipes is formed in the adjacent pin fin spoiler, cylindrical bosses used for turbulent flow are respectively arranged on two sides of the pin fin spoiler, the height of each cylindrical boss is consistent with the distance between the adjacent flaky concentric circular coil and the pin fin, and the cylindrical bosses are arranged on the pin fin spoiler in a circumferential array manner.
Preferably, the single sheet-shaped concentric circular coil pipe is formed by bending a metal pipe, and outlet pipes which are perpendicular to the sheet-shaped concentric circular coil pipe and have opposite directions are respectively bent at the center and the periphery of the concentric circular coil pipe and are used for connecting adjacent sheet-shaped concentric circular pipes; the tube spacing of the sheet-shaped concentric circular coil is 0-10 times of the tube diameter of the coil.
Preferably, the metal pipe with polished inner and outer surfaces is selected as the sheet-shaped concentric circular coil pipe, and is used for preventing the heat exchange medium from forming a viscous layer on the surface to influence heat exchange.
Preferably, the periphery of the needle rib spoiler is respectively provided with a mounting hole which is circumferentially distributed and is used for penetrating through the positioning rod, and the aperture of the mounting hole is larger than the outer diameter of the positioning rod and smaller than the outer diameters of the long positioning rod sleeve and the short positioning rod sleeve.
Preferably, when the heat exchange medium is high-pressure hydrogen, the sheet concentric circular coil pipe, the high-pressure special cutting sleeve elbow and the adapter pipe are made of 316L stainless steel materials with corresponding wall thicknesses meeting the pressure-resistant requirement, and the requirements of high pressure resistance and hydrogen embrittlement resistance of the pipe pass are met.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model has high utilization ratio of radial space, simple and easy processing, installation and connection, and is suitable for batch production;
2. the utility model can meet the requirements of different heat exchange areas by increasing or decreasing the number of the concentric circular coil pipes which are connected in series;
3. the heat exchanger has large size change elasticity, and can meet the requirements of different places and sizes (the diameter and the length of the heat exchanger can be randomly changed without causing processing difficulty or reducing space utilization rate);
4. the integral serial design of the sheet concentric circular coil pipes can simultaneously meet the requirements of compact heat exchanger, high pressure resistance, large flow and high-efficiency heat exchange;
5. the design of the cylindrical boss of the pin fin spoiler increases the disturbance when the cooling liquid flows, breaks the fluid viscous layer and enhances the heat exchange effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the shell body of the present invention;
FIG. 3 is a schematic structural diagram of the tube side assembly of the present invention;
FIG. 4 is a schematic structural view of a middle baffle plate assembly of the present invention;
FIG. 5 is a schematic structural view of the concentric circular coil of the present invention;
fig. 6 is a schematic structural view of the end cap of the middle housing of the present invention;
fig. 7 is a schematic structural view of the middle pin rib spoiler of the present invention.
In the figure: the device comprises a shell, a shell end cover, a shell, a 3-shell-penetrating adapter, a 4-tube side assembly, a 4-1-sheet concentric circular coil, a 4-2-high-pressure special clamping sleeve elbow, a 4-3-adapter tube, a 5-shell side liquid inlet and outlet flange, a 6-locking bolt, a 7-baffle assembly, a 7-1-needle rib spoiler, a 7-2-positioning rod, a 7-3-long positioning rod sleeve, a 7-4-short positioning rod sleeve and a 7-5-locking nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings. A shell-and-tube heat exchanger in serial connection in a sheet shape comprises a shell body 2 and shell body end covers 1 which are hermetically fixed at two ends of the shell body 2 through locking bolts 6, wherein a shell pass liquid inlet and outlet flange 5 is arranged on the shell body 2, a shell-penetrating adapter 3 is arranged on each shell body end cover 1, a tube pass assembly 4 and a baffle plate assembly 7 are arranged in each shell body 2, the tube pass assembly 4 is formed by connecting a plurality of sheet concentric circular coil pipes 4-1 which are arranged in parallel in series through welding or a high-pressure special cutting sleeve elbow 4-2 and an adapter pipe 4-3, the baffle plate assembly 7 is formed by connecting a plurality of needle rib spoilers 7-1 which are arranged in parallel in series, a positioning rod 7-2 for fixing the plurality of needle rib spoilers 7-1, a short positioning rod sleeve 7-4 and a long positioning rod sleeve 7-3 which are sleeved on the positioning rod 7-2 and used for limiting the needle rib spoilers 7-1, and the short The positioning rod sleeve 7-3 is composed of a locking nut 7-5 for positioning and locking, and a plurality of parallel needle rib spoilers 7-1 are alternately arranged between a plurality of parallel sheet concentric circular coil pipes 4-1 in parallel.
On shell side business turn over liquid flange 5 was fixed in casing 2 through the welding, this shell side business turn over liquid flange 5 was imported and exported for the liquid side, and liquid was imported and is got into 2 continuous vortex back by liquid side export discharge casing 2 of 2 rethread baffle assembly 7 through the liquid side, and 4 circulation medium of tube side subassembly are high-pressure fluid.
2 both ends of casing are equipped with flange respectively, are equipped with the mounting hole that matches with 2 both ends flange of casing on the casing end cover 1, and the flange at 2 both ends of casing end cover 1 and casing passes through locking bolt 6 to be connected fixedly, and the mounting hole inboard is equipped with the ring seal groove that is used for installing O type sealing washer, and O type sealing washer is installed in the ring seal groove, is equipped with the screw hole that shell adapter 3 corresponds is worn to the used when shell is worn to tube side subassembly 4 on the casing end cover 1.
The quantity of the flaky concentric circular coil pipes 4-1 in the pipe pass component 4 is flexibly assembled according to the heat exchange quantity and the length of the shell 2, the inlets and outlets of the flaky concentric circular coil pipes 4-1 are distributed on the two sides of the flaky concentric circular coil pipes 4-1, the flaky concentric circular coil pipes 4-1 are connected with the adapter pipes 4-3 in series through welding or high-pressure special cutting sleeve elbows 4-2, the flaky concentric circular coil pipes 4-1 at the air inlet end are imported through shell-penetrating adapters 3 on the shell end cover 1 and are connected with the air inlet pipeline outside the shell 2, and the flaky concentric circular coil pipes 4-1 at the air outlet end are exported through the shell-penetrating adapters 3 on the shell end cover 1 and are connected with the air outlet pipeline outside the shell 2.
The utility model discloses a needle rib spoiler 7-1 external diameter and 2 internal diameters phase-matchs of casing in baffling board subassembly 7, be equipped with the dislocation breach that is used for connecting adjacent slice concentric circular coil pipe 4-1 connecting pipe on the adjacent needle rib spoiler 7-1, the both sides of needle rib spoiler 7-1 are equipped with the cylindrical boss that is used for the vortex respectively, the height of this cylindrical boss is unanimous with the interval between adjacent slice concentric circular coil pipe 4-1 and the needle rib spoiler 7-1, cylindrical boss is the circumference array and arranges on needle rib spoiler 7-1.
The utility model is characterized in that the single sheet-shaped concentric circular coil pipe 4-1 is formed by bending a metal pipe, and outlet pipes which are vertical to the sheet-shaped concentric circular coil pipe 4-1 and have opposite directions are respectively bent at the center and the periphery of the concentric circular coil pipe and are used for the mutual connection between the sheet-shaped concentric circular pipe 4-1; the tube spacing of the sheet concentric circular coil 4-1 is 0-10 times of the tube diameter of the coil, and the sheet concentric circular coil 4-1 is made of metal tubes with polished inner and outer surfaces so as to prevent a heat exchange medium from forming a viscous layer on the surface to influence heat exchange.
The utility model is characterized in that the periphery of the needle rib spoiler 7-1 is respectively provided with a mounting hole which is distributed in a circumferential manner and is used for penetrating through the positioning rod 7-2, and the aperture of the mounting hole is larger than the outer diameter of the positioning rod 7-2 and smaller than the outer diameters of the long positioning rod sleeve 7-3 and the short positioning rod sleeve 7-4.
The utility model discloses be high-pressure hydrogen's application scene to heat transfer medium, the 316L stainless steel of corresponding wall thickness is all chooseed for use to slice concentric circular coil pipe 4-1, high-pressure special cutting ferrule elbow 4-2 and switching pipe 4-3 for guarantee the high pressure resistant and the anti hydrogen embrittlement requirement of tube side, needle rib spoiler 7-1 adopts modes such as numerical control technology processing, punching press, casting to process and forms.
The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a shell and tube heat exchanger that slice is established ties, includes the casing and through the sealed casing end cover that is fixed in the casing both ends of locking bolt, its characterized in that: the shell is provided with a shell pass liquid inlet and outlet flange, a shell penetrating adapter is arranged on a shell end cover, and a tube pass assembly and a baffle plate assembly are arranged in the shell, wherein the tube pass assembly is formed by connecting a plurality of parallel flaky concentric circular coil pipes in series through welding or high-pressure special cutting sleeve elbows and adapter pipes; the baffle component comprises a plurality of needle rib spoilers which are arranged in parallel, a positioning rod for fixing the plurality of needle rib spoilers, a short positioning rod sleeve and a long positioning rod sleeve which are sleeved on the positioning rod and used for limiting the needle rib spoilers, and locking nuts which are arranged at two ends of the positioning rod and used for positioning and locking the short positioning rod sleeve and the long positioning rod sleeve, wherein the plurality of needle rib spoilers which are arranged in parallel are alternately arranged between a plurality of flaky concentric circular coil pipes which are arranged in parallel.
2. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the shell pass liquid inlet and outlet flange is fixed on the shell through welding, the shell pass liquid inlet and outlet flange is a liquid side inlet and outlet, liquid enters the shell through the liquid side inlet and is discharged from the liquid side outlet after continuously disturbed flow through the baffle plate component, and a circulating medium of the tube pass component is high-pressure fluid.
3. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the shell comprises a shell body and is characterized in that connecting flanges are arranged at two ends of the shell body respectively, mounting holes matched with the connecting flanges at the two ends of the shell body are formed in a shell body end cover, the shell body end cover and the connecting flanges at the two ends of the shell body are fixedly connected through locking bolts, an annular sealing groove used for mounting an O-shaped sealing ring is formed in the inner side of each mounting hole, the O-shaped sealing ring is mounted in the annular sealing groove, and a threaded hole corresponding to a shell-penetrating adapter used when a tube.
4. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the quantity of the concentric circular coil pipe of slice in the tube side subassembly carries out nimble assembly according to heat transfer volume size and casing length, the exit distribution in the concentric circular coil pipe both sides of slice, through welding or high-pressure special cutting ferrule elbow and switching pipe series connection between the concentric circular coil pipe of adjacent slice, the concentric circular coil pipe import of slice that is in the inlet end is connected with the outside admission line of casing through the shell adapter that wears on the casing end cover, the concentric circular coil pipe export of slice that is in the end of giving vent to anger is connected with the outside pipeline of casing through the shell adapter that wears on the casing end cover.
5. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the outer diameter of a needle rib spoiler in the baffle plate assembly is matched with the inner diameter of the shell, staggered notches used for connecting adjacent flaky concentric circular coil pipe connecting pipes are formed in the adjacent needle rib spoilers, cylindrical bosses used for spoiling are arranged on two sides of each needle rib spoiler respectively, the height of each cylindrical boss is consistent with the distance between the adjacent flaky concentric circular coil pipes and the corresponding needle rib spoilers, and the cylindrical bosses are arranged on the needle rib spoilers in a circumferential array mode.
6. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the single sheet-shaped concentric circular coil pipe is formed by bending a metal pipe, and outlet pipes which are vertical to the sheet-shaped concentric circular coil pipe and have opposite directions are respectively bent at the center and the periphery of the concentric circular coil pipe and are used for connecting the sheet-shaped concentric circular pipes; the tube spacing of the sheet-shaped concentric circular coil is 0-10 times of the tube diameter of the coil.
7. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the metal pipe with polished inner and outer surfaces is selected for the flaky concentric circular coil and used for preventing the heat exchange medium from forming a viscous layer on the surface to influence heat exchange.
8. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: the periphery of the pin fin spoiler is respectively provided with a mounting hole which is circumferentially distributed and is used for penetrating through the positioning rod, and the aperture of the mounting hole is larger than the outer diameter of the positioning rod and smaller than the outer diameters of the long positioning rod sleeve and the short positioning rod sleeve.
9. A plate-like, shell-and-tube heat exchanger in series according to claim 1, characterized in that: when the heat exchange medium is high-pressure hydrogen, the sheet concentric circular coil pipe, the high-pressure special cutting sleeve elbow and the adapter pipe are made of 316L stainless steel materials with corresponding wall thicknesses meeting the pressure-resistant requirement, and the requirements of high pressure resistance and hydrogen embrittlement resistance of the pipe pass are met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992868.2U CN210242496U (en) | 2019-06-28 | 2019-06-28 | Shell-and-tube heat exchanger with serial connection of sheets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992868.2U CN210242496U (en) | 2019-06-28 | 2019-06-28 | Shell-and-tube heat exchanger with serial connection of sheets |
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| Publication Number | Publication Date |
|---|---|
| CN210242496U true CN210242496U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920992868.2U Active CN210242496U (en) | 2019-06-28 | 2019-06-28 | Shell-and-tube heat exchanger with serial connection of sheets |
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| CN (1) | CN210242496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260687A (en) * | 2019-06-28 | 2019-09-20 | 河南豫氢装备有限公司 | A kind of concatenated shell-and-tube heat exchanger of sheet |
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2019
- 2019-06-28 CN CN201920992868.2U patent/CN210242496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260687A (en) * | 2019-06-28 | 2019-09-20 | 河南豫氢装备有限公司 | A kind of concatenated shell-and-tube heat exchanger of sheet |
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