CN109277790B - Manufacturing method of C-shaped shell-free coated heat exchanger - Google Patents
Manufacturing method of C-shaped shell-free coated heat exchanger Download PDFInfo
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- CN109277790B CN109277790B CN201811168005.XA CN201811168005A CN109277790B CN 109277790 B CN109277790 B CN 109277790B CN 201811168005 A CN201811168005 A CN 201811168005A CN 109277790 B CN109277790 B CN 109277790B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A manufacturing method of a C-shaped shell-free cladding heat exchanger relates to a manufacturing method of a heat exchanger. The invention aims to solve the problems of high operation difficulty and low working efficiency when the heat exchange tube penetrates into a tube hole by adopting a method of fixing a tube plate and then sequentially penetrating the heat exchange tube in the conventional assembly method of the heat exchanger. The installation method is realized by the following steps: firstly, arranging heat exchange tubes one by one; sleeving a tube plate; step three, fixedly connecting two ends of the tube plate with corresponding supporting devices; welding and expanding the end parts of each upper single pipe body and each lower single pipe body and the pipe holes corresponding to the pipe plates; and fifthly, hoisting and overturning the heat exchanger assembly formed in the step to other positions to perform other processes. The invention belongs to the field of heat exchanger manufacturing.
Description
Technical Field
The invention relates to a manufacturing method of a heat exchanger, in particular to a manufacturing method of a C-shaped shell-free cladding heat exchanger, belonging to the field of manufacturing of heat exchangers.
Background
The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. In the production and manufacturing process of nuclear power, thermal power and petrochemical container heat exchangers, the assembling process of a tube plate and a heat exchange tube is a key difficulty in manufacturing, the assembling method adopted by the existing heat exchanger manufacturing is to fix the tube plate firstly, and the tube plate is fixed in position and then penetrates into the heat exchange tube in sequence, and the method has the defects of high requirement on the accuracy of the placing position of the tube plate and high difficulty. The difficulty of the heat exchange tube in the control position precision is big in the assembling process, the condition that the heat exchange tube can not penetrate into a tube hole often appears, and especially to a very long heat exchange tube, the wearing operation difficulty is bigger.
Disclosure of Invention
The invention aims to solve the problems of high operation difficulty and low working efficiency when a heat exchange tube penetrates into a tube hole by adopting a method of fixing a tube plate and then sequentially penetrating the heat exchange tube in the conventional assembly method of the heat exchanger, and further provides a manufacturing method of a C-shaped shell-free coated heat exchanger.
The technical scheme of the invention is as follows:
the installation method is realized by the following steps:
firstly, arranging heat exchange tubes one by one:
the base is placed on the ground, the positioning device is arranged on the base, the plurality of heat exchange tubes are fixed into an upper heat exchange tube and a lower heat exchange tube through the positioning device, and the upper heat exchange tube and the lower heat exchange tube are stacked from top to bottom.
Step two, sleeving a tube plate:
arranging two tube plates at two ends of the upper row of heat exchange tubes respectively, adjusting the positions of the tube plates to enable tube holes on the tube plates to be in one-to-one correspondence with the end part of each single tube body of the upper row of heat exchange tubes and the end part of each single tube body of the lower row of heat exchange tubes, and then sleeving;
step three, fixedly connecting two ends of the tube plate with corresponding supporting devices;
and step four, welding and expanding the end parts of each upper single pipe body and each lower single pipe body and the pipe holes corresponding to the pipe plates.
And fifthly, hoisting and overturning the heat exchanger assembly formed in the step to other positions to perform other processes.
Further, in the first step the positioner by a plurality of last channel-section steels, a plurality of tooth shape rubber slabs, a plurality of backing plates, a plurality of tooth shape rubber slabs down, a plurality of channel-section steel subassembly is constituteed down, lower channel-section steel subassembly sets up on the base, goes up the channel-section steel, goes up tooth shape rubber slab, backing plate, tooth shape rubber slab and lower channel-section steel subassembly from top to bottom and sets gradually, goes up the row of heat exchange tubes and is located between the lower surface of last tooth shape rubber slab and the upper surface of backing plate, goes down the row of heat exchange tubes and is located between the lower surface of backing plate and the upper surface of lower tooth shape rubber.
Further, lower channel-section steel subassembly are the rectangle and arrange, and lower channel-section steel subassembly sets up the lower surface at tooth shape rubber slab down, and lower channel-section steel subassembly includes many lower channel-sections, two root length channel-sections, a plurality of short channel-sections, two long channel-sections parallel arrangement side by side, and a plurality of lower channel-sections set up side by side between two long channel-sections along the length direction of long channel-section, and two tip of a plurality of lower channel-sections are connected with two long channel-sections respectively, and the middle part between two lower channel-sections is provided with a short channel-section steel, is provided with two eyebolts on the upper surface of every long.
Furthermore, the upper tooth-shaped rubber plate and the lower tooth-shaped rubber plate are rectangular plate bodies, a plurality of concave lower tooth sockets are arranged on the lower surface of the upper tooth-shaped rubber plate along the length direction of the upper tooth-shaped rubber plate, and the upper single pipe body of the upper row of heat exchange pipes is inserted into the corresponding lower tooth sockets; the upper surface of the lower tooth-shaped rubber plate is provided with a plurality of concave upper tooth grooves along the length direction, and a lower single pipe body of the lower row of heat exchange pipes is inserted in the corresponding lower tooth grooves.
Further, the step one comprises the following substeps:
firstly, a lower channel steel component is flatly paved on the upper surface of a base, a plurality of lower tooth-shaped rubber plates are parallelly paved on the upper surface of the lower channel steel component side by side, the central line of the lower tooth-shaped rubber plates along the length thereof is superposed with the central line of the lower channel steel along the length thereof,
secondly, the lower single tubes of the lower row of heat exchange tubes are embedded in the upper tooth grooves of the lower tooth-shaped rubber plate one by one;
thirdly, a plurality of base plates are parallelly laid on the upper surface of the lower row of heat exchange tubes side by side, each base plate is positioned above one lower tooth-shaped rubber plate, and the central line of each base plate in the length direction is superposed with the central line of each lower tooth-shaped rubber plate in the length direction;
fourthly, laying the upper single tube bodies of the upper row of heat exchange tubes on the upper surface of the base plate, enabling the central line of the upper row of heat exchange tubes along the length direction to be vertical to the central line of the base plate along the length direction, and laying each upper single tube body between two lower single tube bodies;
fifthly, a plurality of upper toothed rubber plates are parallelly laid on the upper surfaces of the upper rows of heat exchange tubes side by side, so that an upper single tube body of each upper row of heat exchange tubes is embedded with a lower tooth socket of the upper toothed rubber plate;
laying a plurality of upper channel steel on the upper surface of the upper toothed rubber plate, wherein the center line of the upper channel steel along the length of the upper channel steel is superposed with the center line of the upper toothed rubber plate along the length of the upper toothed rubber plate;
and seventhly, the stud bolts sequentially penetrate through the upper channel steel, the upper toothed rubber plate, the lower toothed rubber plate, the long groove steel and the lower channel steel and are fixed by nuts.
Furthermore, in the second step, a plurality of pipe holes are formed in the surface of the tube plate, the pipe holes correspond to the pipe ends of the upper single tubes and the lower single tubes one by one, and the pipe holes are sleeved at the end part of the upper single tube of the upper row of tubes and the end part of the lower single tube of the lower row of tubes.
Further, the two ends of the tube plate in the third step are connected with the corresponding supporting devices through bolts and pressing plates.
Further, during the hoisting in the fifth step, the steel wire rope penetrates into the lifting eye bolt, and the heat exchanger assembly is hoisted to a proper position through a crane; during overturning, the steel wire rope penetrates through two lifting eye bolts on one long groove steel at the same time, the heat exchanger assembly is lifted laterally, and after the steel wire rope penetrates through two lifting eye bolts on the other long groove steel at the bottom surface of the heat exchanger assembly, the steel wire rope is lifted at the same time, so that overturning operation is realized.
Compared with the prior art, the invention has the following effects:
1. the heat exchange tube is fixed through the positioning device, and then the tube hole of the tube plate is aligned with the end part of the heat exchange tube for sleeving, so that the operation difficulty is low, the efficiency is high, the abrasion of the end part and the outer surface of the heat exchange tube caused by repeatedly inserting the heat exchange tube is avoided, and the quality of a workpiece is ensured.
2. The tube plate does not need to be accurately positioned in advance, the operation and the measurement work of accurate positioning of the tube plate are avoided, and the manufacturing efficiency is improved.
3. After the heat exchange process of the tube plate sleeve, the end part of the tube plate is an open area and has moderate height, and the position is convenient for the subsequent tube end welding and expansion joint operation of the end part of the tube plate.
Drawings
FIG. 1 is a schematic view of an upper row of heat exchange tubes and a lower row of heat exchange tubes and tube sheets;
FIG. 2 is a schematic view of the overall construction of a heat exchanger workpiece of the present invention;
FIG. 3 is a schematic view of the tube sheet construction;
FIG. 4 is an enlarged view of a single tube;
FIG. 5 is a schematic view of the positioning device and the heat exchange tube assembled together;
3 FIG. 3 6 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 5 3; 3
Fig. 7 is an enlarged view of a portion I of fig. 6.
FIG. 8 is a schematic structural view of a lower channel assembly;
fig. 9 is an assembly schematic of the positioning device, heat exchange tubes and tube sheet.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 9, and the mounting method of the present embodiment is implemented by the following steps:
firstly, arranging heat exchange tubes one by one:
the base 8 is placed on the ground, the positioning device is arranged on the upper surface of the base 8, the plurality of heat exchange tubes are fixed into an upper heat exchange tube 1 and a lower heat exchange tube 2 through the positioning device, and the upper heat exchange tube 1 and the lower heat exchange tube 2 are stacked from top to bottom.
Step two, sleeving a tube plate 3:
arranging two tube plates 3 at two ends of an upper row of heat exchange tubes 1 respectively, adjusting the positions of the tube plates 3 to enable tube holes 3-1 on the tube plates 3 to be in one-to-one correspondence with the end part of each upper single tube body 1-1 of the upper row of heat exchange tubes 1 and the end part of each lower single tube body 2-1 of the lower row of heat exchange tubes 2, and then sleeving;
step three, fixedly connecting two ends of the tube plate 3 with the corresponding supporting devices 4;
and fourthly, welding and expanding the end parts of each upper single pipe body 1-1 and each lower single pipe body 2-1 and the pipe holes 3-1 corresponding to the pipe plates 3.
And fifthly, hoisting and overturning the heat exchanger assembly formed in the step to other positions to perform other processes.
Based on the structural characteristics of the heat exchanger, a mode of positioning all heat exchange tubes by a positioning device and then sleeving the tube plates is adopted. The two ends of the heat exchange tube can be provided with guide heads, the end part of the heat exchange tube is led into the tube hole 3-1 of the tube plate 3, the position of the tube plate 3 is adjusted, and the end heads of a plurality of upper single tube bodies 1-1 and a plurality of lower single tube bodies 2-1 are sleeved. The tube plate 3 does not need to be accurately positioned in advance, and the operation and the measurement work of accurately positioning the tube plate 3 are avoided. After the heat exchange tube is sleeved on the tube plate, the end part of the tube plate is an open area and has moderate height, and the position is convenient for subsequent tube end welding and expansion joint operation of the end part of the tube plate. The supporting device 4 is four supporting seats for fixing the tube plate.
The second embodiment is as follows: the embodiment is described with reference to fig. 5 to 7, in the first step of the embodiment, the positioning device is composed of a plurality of upper channel steels 9, a plurality of upper toothed rubber plates 5, a plurality of base plates 6, a plurality of lower toothed rubber plates 7 and a plurality of lower channel steel assemblies, the lower channel steel assemblies are arranged on a base 8, the upper channel steels 9, the upper toothed rubber plates 6, the base plates 7, the lower toothed rubber plates 8 and the lower channel steel assemblies are sequentially arranged from top to bottom, the upper row of heat exchange tubes 1 are located between the lower surfaces of the upper toothed rubber plates 5 and the upper surfaces of the base plates 6, and the lower row of heat exchange tubes 2 are located between the lower surfaces of the base plates 6 and the upper surfaces of the lower toothed rubber plates 7.
The positioning device has the functions of positioning and hoisting and supporting, the heat exchange tubes can be arranged at intervals, the space between the heat exchange tubes is controlled, the plurality of heat exchange tubes are clamped by the positioning device to realize the assembly of the upper row of heat exchange tubes 1 and the lower row of heat exchange tubes 2, and the rigidity of the heat exchange tubes is improved. The upper toothed rubber plate 5, the lower toothed rubber plate 7 and the base plate 6 are all made of rubber materials, and indentations are generated on the surface of the heat exchange tube. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 8, in the lower channel steel assembly of the present embodiment, the lower channel steel assembly is arranged in a rectangular shape, the lower channel steel assembly is disposed on the lower surface of the lower toothed rubber plate, the lower channel steel assembly includes a plurality of lower channel steels 10, two long channel steels 11, and a plurality of short channel steels 12, the two long channel steels 11 are arranged in parallel side by side, the plurality of lower channel steels 10 are arranged between the two long channel steels 11 side by side along the length direction of the long channel steel 11, and two ends of the plurality of lower channel steels 10 are connected to the two long channel steels 11 respectively, a short channel steel 12 is disposed in the middle between the two lower channel steels 10, and two eye bolts 13 are disposed on the upper surface of each long channel steel.
The channel-section steel subassembly's setting down can make it as the support piece of bottom, and is more firm, and the bearing effect is better. The eye bolt 13 is used for hoisting. Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 6 to 7, the upper toothed rubber plate 5 and the lower toothed rubber plate 7 of the embodiment are rectangular plates, the lower surface of the upper toothed rubber plate 5 is provided with a plurality of concave lower tooth sockets 5-1 along the length direction thereof, and the upper single tube body 1-1 of the upper row of heat exchange tubes 1 is inserted into the corresponding lower tooth sockets 5-1; the upper surface of the lower tooth-shaped rubber plate 7 is provided with a plurality of concave upper tooth grooves 7-1 along the length direction, and the lower single pipe body 2-1 of the lower row of heat exchange pipes 2 is inserted in the corresponding lower tooth groove 7-1. Other components and connections are the same as in the first embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 5 to 7, and the first step of the present embodiment includes the following sub-steps:
firstly, a lower channel steel component is flatly paved on the upper surface of a base 8, a plurality of lower tooth-shaped rubber plates 7 are parallelly paved on the upper surface of the lower channel steel component side by side, the central line of the lower tooth-shaped rubber plates 7 along the length thereof is superposed with the central line of the lower channel steel 10 along the length thereof,
secondly, the lower single tubes 2-1 of the lower row of heat exchange tubes 2 are embedded in the upper tooth grooves 7-1 of the lower tooth-shaped rubber plate 7 one by one;
thirdly, a plurality of base plates 6 are parallelly paved on the upper surface of the lower row of heat exchange tubes 2 side by side, each base plate 6 is respectively positioned above one lower tooth-shaped rubber plate 7, and the central line of each base plate 6 in the length direction is superposed with the central line of each lower tooth-shaped rubber plate 7 in the length direction;
fourthly 4, laying the upper single tube bodies 1-1 of the upper row of heat exchange tubes 1 on the upper surface of the backing plate 6, enabling the central line of the upper row of heat exchange tubes 1 along the length direction to be vertical to the central line of the backing plate 6 along the length direction, and laying each upper single tube body 1-1 between two lower single tube bodies 2-1;
fifthly, a plurality of upper toothed rubber plates 5 are parallelly laid on the upper surfaces of the upper row of heat exchange tubes 1 side by side, so that an upper single tube body 1-1 of each lower row of heat exchange tubes 1 is embedded with a lower tooth socket 5-1 of each upper toothed rubber plate 5;
sixthly, paving a plurality of upper channel steel 9 on the upper surface of the upper toothed rubber plate 6, wherein the center line of the upper channel steel 9 along the length thereof is superposed with the center line of the upper toothed rubber plate 6 along the length thereof;
and seventhly, the upper channel steel 9, the upper toothed rubber plate 5, the lower toothed rubber plate 7, the long groove steel 11 and the lower channel steel 10 are sequentially penetrated through by the stud bolts and then are fixed by nuts.
The plurality of upper single pipe bodies 1-1 and the plurality of lower single pipe bodies 2-1 are fixed into the heat exchanger assembly by the positioning device through the above steps. Other components and connections are the same as in the first embodiment.
The sixth specific implementation mode: referring to fig. 3 to 4, the second step of the present embodiment is that a plurality of pipe holes 3-1 are formed in the upper surface of the tube plate 3, and the plurality of pipe holes 3-1 are fitted to the end of the upper single tube 1-1 of the upper row of tubes 1 and the end of the lower single tube 2-1 of the lower row of tubes 2.
The inner diameter of the pipe hole 3-1 is larger than the outer diameters of the upper single pipe body 1-1 and the lower single pipe body 2-1, and the plurality of pipe holes 3-1 correspond to the pipe ends of the plurality of upper single pipe bodies 1-1 and the plurality of lower single pipe bodies 2-1 one by one. Other components and connection relationships are the same as those in the fifth embodiment.
The seventh embodiment: referring to fig. 1, the embodiment is described, and in the third step of the embodiment, two ends of the tube plate 3 and the corresponding supporting device 5 are connected together through bolts and pressing plates. Two ends of each tube plate 3 are respectively provided with a supporting device 5, and the supporting devices 5 play a role in positioning the tube plates. Other components and connections are the same as in the first embodiment.
The specific implementation mode is eight: describing the embodiment with reference to fig. 5 to 8, during the hoisting in the fifth step of the embodiment, the steel wire rope is threaded into the eyebolt 13, and the heat exchanger assembly is hoisted to a proper position by a crane; during overturning, the steel wire rope penetrates through the two lifting bolts 13 on one long groove steel 11 at the same time, the heat exchanger assembly is lifted laterally, and after the steel wire rope penetrates through the two lifting bolts 13 on the other long groove steel 11 on the bottom surface of the heat exchanger assembly, the steel wire rope is lifted at the same time, so that overturning operation is realized. Other components and connections are the same as in the first embodiment.
The working principle is as follows:
the installation method of the invention adopts the steps that heat exchange tubes are arranged one by one, a positioning device is adopted to fix the heat exchange tubes, an upper row of heat exchange tubes 1 and a lower row of heat exchange tubes 2 are arranged in a staggered and stacked manner, and the distance between the heat exchange tubes is controlled by the positioning device; the end parts of the heat exchange tubes are led into the tube holes 3-1 of the tube plate 3, the position of the tube plate 3 is adjusted, the end heads of the upper single tube bodies 1-1 and the lower single tube bodies 2-1 are sleeved, and the tube ends of the upper row of heat exchange tubes and the lower row of heat exchange tubes are in one-to-one correspondence with the positions of the tube holes 3-1. The heat exchange tube is assembled with high operation efficiency, the difficulty that the tube hole 3-1 of the tube plate 3 is aligned with the end part of the heat exchange tube is small, and the abrasion of the end part of the tube caused by the repeated penetration of the heat exchange tube can be avoided.
The assembled heat exchanger assembly is stably placed on the ground, frequent lifting and other operations are avoided to deform the heat exchanger assembly, the ground platform is used as a reference in the assembly and manufacturing process, the reference position is easier to obtain, the height difference can be adjusted by placing gaskets on the ground, and the like, and the operation is convenient.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A manufacturing method of a C-shaped shell-free clad heat exchanger is characterized by comprising the following steps:
firstly, arranging heat exchange tubes one by one:
the method comprises the following steps of placing a base (8) on the ground, arranging a positioning device on the upper surface of the base (8), fixing a plurality of heat exchange tubes into an upper row of heat exchange tubes (1) and a lower row of heat exchange tubes (2) through the positioning device, and stacking the upper row of heat exchange tubes (1) and the lower row of heat exchange tubes (2) from top to bottom;
step two, sleeving a tube plate (3):
the surface of the tube plate (3) is provided with a plurality of tube holes (3-1), two tube plates (3) are respectively arranged at two ends of the upper row of heat exchange tubes (1), the positions of the tube plates (3) are adjusted, after the tube holes (3-1) on the tube plates (3) correspond to the end part of each upper single tube body (1-1) of the upper row of heat exchange tubes (1) and the end part of each lower single tube body (2-1) of the lower row of heat exchange tubes (2) one by one, the plurality of tube holes (3-1) are sleeved at the end part of each tube body (1-1) of the upper row of heat exchange tubes (1) and the end part of each lower tube body (2-1) of the lower row of heat;
step three, fixedly connecting two ends of the tube plate (3) with the corresponding supporting devices (4);
welding and expanding the end parts of each upper single pipe body (1-1) and each lower single pipe body (2-1) and the pipe holes (3-1) corresponding to the pipe plates (3);
and fifthly, hoisting and overturning the heat exchanger assembly formed in the step to other positions to perform other processes.
2. The manufacturing method of the C-shaped shell-free clad heat exchanger as claimed in claim 1, wherein the manufacturing method comprises the following steps: in the first step, the positioning device is composed of a plurality of upper channel steel (9), a plurality of upper toothed rubber plates (5), a plurality of base plates (6), a plurality of lower toothed rubber plates (7) and a plurality of lower channel steel assemblies, the upper channel steel (9), the upper toothed rubber plates (5), the base plates (6), the lower toothed rubber plates (7) and the lower channel steel assemblies are sequentially arranged from top to bottom, the lower channel steel assemblies are arranged on a base (8), an upper row of heat exchange tubes (1) are located between the lower surfaces of the upper toothed rubber plates (5) and the upper surfaces of the base plates (6), and a lower row of heat exchange tubes (2) are located between the lower surfaces of the base plates (6) and the upper surfaces of the lower toothed rubber plates (7).
3. The manufacturing method of the C-shaped shell-free clad heat exchanger as claimed in claim 2, wherein: the lower channel steel component is arranged in a rectangular mode, the lower channel steel component is arranged on the lower surface of a lower toothed rubber plate, the lower channel steel component comprises a plurality of lower channel steels (10), two long channel steels (11) and a plurality of short channel steels (12), the two long channel steels (11) are arranged in parallel side by side, the plurality of lower channel steels (10) are arranged between the two long channel steels (11) side by side along the length direction of the long channel steels (11), two end portions of the plurality of lower channel steels (10) are connected with the two long channel steels (11) respectively, a short channel steel (12) is arranged in the middle between the two lower channel steels (10), and two lifting ring bolts (13) are arranged on the upper surface of each long channel steel (11).
4. The manufacturing method of the C-shaped shell-free clad heat exchanger as claimed in claim 2, wherein: the upper tooth-shaped rubber plate (5) and the lower tooth-shaped rubber plate (7) are rectangular plate bodies, a plurality of concave lower tooth sockets (5-1) are arranged on the lower surface of the upper tooth-shaped rubber plate (5) along the length direction of the upper tooth-shaped rubber plate, and the upper single tube body (1-1) of the upper row of heat exchange tubes (1) is inserted into the corresponding lower tooth sockets (5-1); the upper surface of the lower tooth-shaped rubber plate (7) is provided with a plurality of concave upper tooth sockets (7-1) along the length direction, and a lower single pipe body (2-1) of the lower row of heat exchange pipes (2) is inserted into the corresponding lower tooth sockets (7-1).
5. The manufacturing method of the C-shaped shell-free clad heat exchanger as claimed in claim 1, wherein the manufacturing method comprises the following steps: the first step comprises the following substeps:
firstly, a lower channel steel assembly is tiled on the upper surface of a base (8), a plurality of lower toothed rubber plates (7) are parallelly paved on the upper surface of the lower channel steel assembly side by side, and the central line of the lower toothed rubber plates (7) along the length thereof is superposed with the central line of the lower channel steel (10) along the length thereof;
secondly, the lower single tubes (2-1) of the lower row of heat exchange tubes (2) are embedded in the upper tooth grooves (7-1) of the lower tooth-shaped rubber plate (7) one by one;
thirdly, a plurality of base plates (6) are parallelly laid on the upper surface of the lower row of heat exchange tubes (2) side by side, each base plate (6) is positioned above one lower tooth-shaped rubber plate (7), and the central line of each base plate (6) along the length direction is superposed with the central line of each lower tooth-shaped rubber plate (7) along the length direction;
fourthly, laying the upper single tube bodies (1-1) of the upper row of heat exchange tubes (1) on the upper surface of the backing plate (6), enabling the central line of the upper row of heat exchange tubes (1) along the length direction to be vertical to the central line of the backing plate (6) along the length direction, and laying each upper single tube body (1-1) between two lower single tube bodies (2-1);
fifthly, a plurality of upper toothed rubber plates (5) are parallelly laid on the upper surfaces of the upper rows of heat exchange tubes (1) side by side, and a single tube body (1-1) of each upper row of heat exchange tubes (1) is embedded with a lower tooth socket (5-1) of each upper toothed rubber plate (5);
sixthly, paving a plurality of upper channel steel (9) on the upper surface of the upper toothed rubber plate (5), wherein the central line of the upper channel steel (9) along the length thereof is superposed with the central line of the upper toothed rubber plate (5) along the length thereof;
and seventhly, the upper channel steel (9), the upper toothed rubber plate (5), the lower toothed rubber plate (7), the long channel steel (11) and the lower channel steel (10) are sequentially penetrated through the stud bolts and then are fixed by nuts.
6. The manufacturing method of the C-shaped shell-free clad heat exchanger as claimed in claim 1, wherein the manufacturing method comprises the following steps: and in the third step, two ends of the tube plate (3) are connected with the corresponding supporting devices (4) through bolts and pressing plates.
7. A method of manufacturing a type C shell-less clad heat exchanger according to claim 1 or 3, wherein: during the hoisting in the step five, a steel wire rope penetrates into the lifting eye bolt (13), and the heat exchanger component is hoisted to a proper position through a crane; during the upset, use two eyebolt (13) on wire rope penetrates long channel-section steel (11) one simultaneously, the heat exchanger subassembly is mentioned to the side direction, and wire rope draws wire rope simultaneously after two eyebolt (13) on another long channel-section steel (11) penetrate in heat exchanger subassembly bottom surface, realizes the upset operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168005.XA CN109277790B (en) | 2018-10-08 | 2018-10-08 | Manufacturing method of C-shaped shell-free coated heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168005.XA CN109277790B (en) | 2018-10-08 | 2018-10-08 | Manufacturing method of C-shaped shell-free coated heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734958A1 (en) * | 1977-08-03 | 1979-02-15 | Froehlich Air Ag | PROCESS FOR MANUFACTURING A PIPE HEAT EXCHANGER AND PIPE HEAT EXCHANGER MANUFACTURED BY THIS PROCESS |
| WO2007019013A1 (en) * | 2005-08-05 | 2007-02-15 | Liebert Corporation | Multi-tube insertion fixture and process |
| KR101015348B1 (en) * | 2011-01-04 | 2011-02-16 | 주식회사 두원공조 | Brazing jig assembly for heat exchanger and method of manufacturing heat exchanger use of the same |
| CN103123239B (en) * | 2013-02-28 | 2015-06-24 | 朱建新 | Spliced tube plate of heat exchanger and machining method thereof |
| CN103586658B (en) * | 2013-11-07 | 2015-12-23 | 宝钢钢构有限公司 | A kind of square tube punching assembling moulding bed of seismic support |
| CN104197770B (en) * | 2014-08-01 | 2016-04-20 | 苏州天沃科技股份有限公司 | The installation manufacture craft of heat exchanger tube and double tubesheet in double tube plate heat exchanger |
| US9833831B2 (en) * | 2015-05-11 | 2017-12-05 | Faurecia Emissions Control Technologies, Usa, Llc | Apparatus for sizing a component shell having at least two different cross-sections |
| CN105798520B (en) * | 2016-05-30 | 2018-01-12 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of method and servicing unit for manufacturing heat exchanger tube bareing heat exchanger |
| CN107617849A (en) * | 2017-08-17 | 2018-01-23 | 上海市安装工程集团有限公司 | A kind of tubulation correction fixture and its method |
| CN108213887B (en) * | 2018-04-03 | 2023-12-26 | 哈电集团（秦皇岛）重型装备有限公司 | Manufacturing and tipping device for heat exchanger tube bundle assembly |
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