CN104457332A - High-temperature-resistant heat exchanger - Google Patents
High-temperature-resistant heat exchanger Download PDFInfo
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- CN104457332A CN104457332A CN201410834581.9A CN201410834581A CN104457332A CN 104457332 A CN104457332 A CN 104457332A CN 201410834581 A CN201410834581 A CN 201410834581A CN 104457332 A CN104457332 A CN 104457332A
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- heat exchanger
- tube
- high temperature
- tube sheet
- temperature resistant
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Abstract
The invention discloses a high-temperature-resistant heat exchanger. The high-temperature-resistant heat exchanger comprises a shell, a front tube plate, a rear tube plate, a plurality of heat exchange tubes and a tube pass inlet component, wherein the front tube plate and the rear tube plate are located at the front end and the rear end of the shell respectively, and the tube pass inlet component is located in front of the front tube plate. The shell is provided with an inner cavity. The front tube plate and the rear tube plate are each provided with a plurality of tube holes correspondingly, wherein the heat exchange tubes penetrate through the tube holes. The two ends of the heat exchange tubes penetrate through the tube holes in the front tube plate and the rear tube plate respectively and are contained in the inner cavity of the shell. One end of each heat exchange tube is fixedly connected with the rear tube plate. The other end of each heat exchange tube penetrates through the corresponding tube hole in the front tube plate, protrudes forwards and is movably connected with the front tube plate. The high-temperature-resistant heat exchanger further comprises heat-insulation packing, and the heat-insulation packing is arranged in front of the front tube plate and clamped between the adjacent heat exchange tubes. Compared with an existing high-temperature-resistant heat exchanger, the high-temperature-resistant heat exchanger has the advantages that a medium which is subjected to heat exchange and comes through the tube pass inlet component is directly and conveniently pressed on the front tube plate, and the shortcoming that the front tube plate has tensile deformation due to overheating is overcome.
Description
[technical field]
The present invention relates to a kind of high temperature resistant heat exchanger, particularly relate to a kind of high temperature resistant heat exchanger being convenient to exchange heat.
[background technology]
Heat exchanger is the equipment partial heat of hot fluid being passed to cold fluid, also known as heat exchanger.
The application of heat exchanger widely, as heating radiator, the condenser in steam-turbine plant and the oil cooler etc. on space rocket of warming oneself in daily life, is all heat exchanger.It is also widely used in the industrial departments such as chemical industry, oil, power, atomic energy.Its major function ensures that technical process is to the specified temp required by medium, is also one of capital equipment improving energy utilization rate simultaneously.
Refer to No. 02258139.1st, the Chinese utility model patent in bulletin on November 5th, 2003, it discloses a kind of high-temperature heat-exchanging, this high-temperature heat-exchanging comprises low-temperature space heat exchanger, tube side import end socket and high-temperature region heat exchanger, and this high-temperature region heat exchanger generally includes shell, tube sheet and heat exchanger tube; This shell is provided with inner chamber, is immobilizated on tube sheet in the inner chamber that described heat exchanger tube is contained in shell.Tube sheet in the heat exchanger of high-temperature region directly docks with tube side import end socket, when being flowed into high-temperature region heat exchanger by heat transferring medium in tube side import end socket, this is directly produced tube sheet by heat transferring medium and impacts, described heat exchanger tube is heated generation deformation, heat pipe may be exchanged and produce pulling force, bending heat exchanger tube even sometimes, thus, affect the service life of high-temperature heat-exchanging.
Therefore, necessaryly existing high-temperature heat-exchanging to be improved, to overcome defect of the prior art.
[summary of the invention]
Technical problem to be solved of the present invention is to provide a kind of high temperature resistant heat exchanger improving tube sheet and be too heated.
For solving the problem, the present invention adopts following technical scheme: a kind of high temperature resistant heat exchanger, it comprises: shell, be positioned at front tube sheet and the back tube sheet of shell rear and front end, several heat exchanger tube and be positioned at the tube side imported equipments and parts in front tube sheet front, described shell is provided with inner chamber, before, back tube sheet correspondence is provided with several pore passed for heat exchanger tube, before the two ends of described heat exchanger tube are each passed through, the pore of back tube sheet, and be contained in the inner chamber of this shell, one end of described heat exchanger tube is fixedly connected with back tube sheet, the other end of described heat exchanger tube protrudes out forward through the pore of front tube sheet, and be flexibly connected with front tube sheet, described high temperature resistant heat exchanger comprises thermal insulating filling further, and this thermal insulating filling is arranged at the front of front tube sheet and is clamped between adjacent heat exchange tubes.
The further improved procedure of the present invention is: described high temperature resistant heat exchanger comprises the metal platen being positioned at thermal insulating filling front further, and described metal platen is installed between adjacent heat exchange tubes, and above-mentioned thermal insulating filling is clamped between tube sheet and metal platen.
The further improved procedure of the present invention is: two-layer before and after described thermal insulating filling comprises, and one deck thermal insulating filling is resistance to erosion heat-barrier material above.
The further improved procedure of the present invention is: described high temperature resistant heat exchanger comprises several gear pipe be positioned at outside metal platen further, and each gear pipe box is located at the front end of heat exchanger tube, and is fixedly connected with heat exchanger tube.
The further improved procedure of the present invention is: described gear pipe is in bell mouth shape, and this bell-mouthed opening is arranged towards metal platen.
The further improved procedure of the present invention is: the low-temperature space heat exchanger that described high temperature resistant heat exchanger comprises high-temperature region heat exchanger further and communicates with high-temperature region heat exchanger, this high-temperature region heat exchanger is arranged between tube side imported equipments and parts and low-temperature space heat exchanger, front tube sheet between described tube side imported equipments and parts and high-temperature region heat exchanger is mobilizable to be arranged between tube side imported equipments and parts and high-temperature region heat exchanger, is welded to each other is fixed together away from the back tube sheet of tube side imported equipments and parts and heat exchanger tube.
The further improved procedure of the present invention is: be provided with several expansion joint between described tube side imported equipments and parts and high-temperature region heat exchanger.
The further improved procedure of the present invention is: described high temperature resistant heat exchanger comprises bearing further, described front tube sheet, thermal insulating filling and pressing plate form a bobbin carriage, this bearing settlement is in the downside of bobbin carriage, this bearing comprises supporter and suspender belt, one end of this suspender belt is installed on bobbin carriage, the other end is installed on supporter, by bobbin carriage to be unsettled hanging state.
The further improved procedure of the present invention is: described high temperature resistant heat exchanger comprises bearing further, this bearing settlement is in the downside of front tube sheet, and this bearing comprises supporter and suspender belt, and one end of this suspender belt is installed on tube sheet, the other end is installed on supporter, by tube sheet to be unsettled hanging state.
Compared with prior art, the present invention is high temperature resistant, and heat transfer equipment has following beneficial effect: by being provided with thermal insulating filling between front tube sheet and tube side imported equipments and parts, and this thermal insulating filling is clamped between each heat exchanger tube, relatively existing high temperature resistant heat exchanger, be conducive to from tube side imported equipments and parts come by the direct punching press of heat transferring medium on tube sheet, improve tube sheet overheated and tensile deformation occurs.
[accompanying drawing explanation]
Fig. 1 is the cross-sectional schematic that the high temperature resistant heat exchanger of the present invention is arranged on bearing;
Fig. 2 is the schematic top plan view shown in Fig. 1;
Fig. 3 is the cross-sectional schematic that the heat exchanger tube of the high temperature resistant heat exchanger of the present invention shown in Fig. 1 is connected with forward and backward tube sheet;
Fig. 4 is the partial enlarged drawing at the place of A shown in Fig. 1;
Fig. 5 is the present invention's high temperature resistant heat exchanger bearing suspension ring schematic diagrames;
Fig. 6 is the schematic diagram of the high-temperature region heat exchanger of the high temperature resistant heat exchanger of the present invention shown in Fig. 1;
Fig. 7 is the partial enlarged drawing shown in Fig. 6;
Fig. 8 is the partial enlarged drawing at the place of B shown in Fig. 1;
Fig. 9 is the partial enlarged drawing at the place of C shown in Fig. 1;
Figure 10 is bearing the second embodiment of the high temperature resistant heat exchanger of the present invention;
Figure 11 is the third embodiment of bearing of the high temperature resistant heat exchanger of the present invention.
[detailed description of the invention]
Refer to shown in Fig. 1, be represent the high temperature resistant heat exchanger of the present invention to be arranged on schematic diagram on bearing, be called high temperature resistant heat exchanger assembly 100; In the present embodiment, this high temperature resistant heat exchanger assembly comprises high temperature resistant heat exchanger and several bearing 200; Described high temperature resistant heat exchanger comprises heat exchanger body and is connected to tube side imported equipments and parts 10 and the tube side spout member 20 at heat exchanger body two ends.
Refer to shown in Fig. 1 and Fig. 2, described heat exchanger body comprises base 30, high-temperature region heat exchanger 40, low-temperature space heat exchanger 50 and several expansion joint 60, and to be installed on base 30 and to support the brace summer 70 of high-temperature region heat exchanger 40 and low-temperature space heat exchanger 50.
High-temperature region heat exchanger 40 is positioned at the front portion of heat exchanger body, this high-temperature region heat exchanger 40 comprises the first high temperature section 41 of being positioned at front and is positioned at the first high temperature section 41 rear and the second high temperature section 42 communicated with the first high temperature section 41, described low-temperature space heat exchanger 50 is positioned at the rear portion of heat exchanger body, and this low-temperature space heat exchanger 50 has contiguous second high temperature section 42 and the first mutually through low-temperature zone 51 and be positioned at second low-temperature zone 52 at the first low-temperature zone rear portion.The outside of the first low-temperature zone 51, second low-temperature zone 52 of described first high temperature section 41, second high temperature section 42 and low-temperature space heat exchanger 50 is equipped with housing, several tube sheet and many heat exchanger tubes 90 are installed in each housing, tube sheet is provided with the multiple pores passed for heat exchanger tube, is called between pipe in the region between described heat exchanger tube 90.The following installation relation that this exchanger tubes and tubesheets is described for first high temperature section 41 in front, tube sheet in housing comprises the front tube sheet 80 and back tube sheet 81 that are positioned at rear and front end, heat exchanger tube 90 two ends are through the pore of forward and backward tube sheet 80,81, the two ends of heat exchanger tube 90 are provided with the mouth of pipe, and the pore of this heat exchanger tube 90 one end mouth of pipe and back tube sheet 81 is fixedly connected to form sealing state (referring to shown in Fig. 3), the other end protrudes out forward through the pore of front tube sheet 80, and be flexibly connected with this front tube sheet, prevent both from being opened by drawing crack in heat rises by process, please be detailed later.
In the present embodiment, high-temperature region heat exchanger 40 and the low-temperature space heat exchanger 50 of this heat exchanger body are divided into two parts mutually, namely mutually separate from the second high temperature section 42 of high-temperature region heat exchanger 40 and the first low-temperature zone 51 of low-temperature space heat exchanger 50, improve volume excessive and be convenient to the transport effect of high temperature resistant heat exchanger, and interconnected by intermediate connector and expansion joint 60 between this second high temperature section 42 and the first low-temperature zone 51 of low-temperature space heat exchanger 50, and form a space 101, the outside in this space 101 does not communicate with between pipe, thus flow through the heat exchanger tube 90 of high-temperature region heat exchanger 40 entered in this space 101 by heat transferring medium, and collect in this, be diverted in the heat exchanger tube 90 of low-temperature space heat exchanger 50 by this space 101, relative to existing high-temperature heat-exchanging, the present invention is conducive in this space 101, being done sufficient mixing by heat transferring medium, namely different being mixed by heat exchange medium temperature work of temperature after high-temperature region heat exchanger 40 is improved, realize by the equalizing temperature of heat transferring medium, to carry out next heat exchange program, can improve by heat transferring medium roughly the same by the temperature flowing into heat exchanger tube, heat exchanger tube is prevented to be heated uneven to front, the stretching generation fracture phenomena of back tube sheet.
Referring again to Fig. 1 and composition graphs 4, shown in 5, described high temperature resistant heat exchanger is supported on several bearing 200, in the present embodiment, this bearing is gate frame-shaped, each seat supports is in the downside of brace summer 70, this bearing comprises suspender belt 201 and supporter 202, this supporter 202 is provided with crossbeam 203 and is supported in the pair of posts 204 at crossbeam 203 two ends, described suspender belt is iron chains or steel wire rope, in the present embodiment, suspender belt 201 is the iron chains that the mutual latch closure of several ringwise suspension ring 205 is formed together, and the ring section of adjacent suspension ring 205 vertically interlocks mutually, be conducive to the mobile space increasing adjacent suspension ring 205.Described crossbeam 203 is distributed in the both sides of heat exchanger body, and pillar 204 is settled at each crossbeam 203 two ends, and is provided with above-mentioned suspender belt 201 between this pillar 204.
In the present embodiment, described suspension ring 205 have and are positioned at two ends and semicircular in shape upper, lower lift ring 2050, 2051, and interlock with other suspension ring 205 respectively, be beneficial to the connection of suspension ring 205 and high temperature resistant heat exchanger and crossbeam 203, namely upper lift ring 2050 is arranged on the crossbeam 203 of supporter 202, lower lift ring 2051 is connected on the heat exchanger body of high temperature resistant heat exchanger, and upper lift ring 2050 and crossbeam 203 connecting place are positioned at the upside of lower lift ring 2051 and high temperature resistant heat exchanger connecting place, hang completely on the rest 200 to make high temperature resistant heat exchanger, namely in unsettled hanging state, thus, after the heat exchanger body expanded by heating of high temperature resistant heat exchanger, relatively existing high-temperature heat-exchanging, the present invention can be convenient to heat exchanger body and move, and heat exchanger body can be prevented because of uneven rear rather of being heated, be conducive to the service life extending high temperature resistant heat exchanger.
Shown in Fig. 1, the front upper end (i.e. the upper end of the first high temperature section 41) of described heat exchanger body has shell-side outlet 43, and the rear upper end (i.e. the upper end of the second low-temperature zone 42) of described heat exchanger body has shell side import 53.
Described first high temperature section 41 is connected with the heat exchanger tube of the second high temperature section 42, but all do not communicate with between the pipe of high-temperature region heat exchanger 40 and low-temperature space heat exchanger 50, and between first, second high temperature section and the sidewall of the second high temperature section and low-temperature space heat exchanger junction offers the manhole 102 being convenient to keep in repair.
Refer to Fig. 6, shown in 7, described high temperature resistant heat exchanger comprises thermal insulating filling 82, metal platen 83 between adjacent heat exchange tubes further and is positioned at the outer and gear pipe 84 be set on heat exchanger tube 90 of metal platen; Described thermal insulating filling 82 is located between the first high temperature section 41 and tube side imported equipments and parts 10, and be arranged in described first high temperature section 41 back tube sheet 81 and be fixedly connected with one end of heat exchanger tube 90 (as being fixed together by welding manner), to make mutually to seal between heat exchange tube and tube, but the other end of heat exchanger tube 90 passes the pore of front tube sheet 80 and is not fixed together with front tube sheet 80, namely the pore on described front tube sheet 80 is slightly larger than the nozzle diameter of heat exchanger tube 90, so that heat exchanger tube movement mutually in the pore of front tube sheet; Mutually through for preventing between heat exchanger tube 90 and pipe, above-mentioned thermal insulating filling 82 is filled between heat exchanger tube, and be clamped between front tube sheet 80 and metal platen 83, with prevent from tube side imported equipments and parts 10 come by the impact of heat transferring medium to front tube sheet, and avoid front tube sheet or heat exchanger tube to be too heated, deform.
In the present embodiment, two-layer before and after this thermal insulating filling comprises, and one deck thermal insulating filling is resistance to erosion heat-barrier material (as cotton) above; Each gear pipe 84 is set in outside heat exchanger tube 90, and the mouth of pipe external diameter of heat exchanger tube 90 is slightly less than the internal diameter of gear pipe 84, and the external diameter keeping off pipe 84 is greater than the pore external diameter of pressing plate, departs from pressure guard, and gear pipe 83 and heat exchanger tube 90 is welded to each other and is fixed together.When high temperature by heat transferring medium after tube side imported equipments and parts enter high-temperature region heat exchanger 40, the resistance to erosion heat-barrier material of one deck can prevent from directly being washed away impact to front tube sheet by heat transferring medium above, and the thermal insulating filling of later layer can prevent the heat transferring medium between pipe from communicating with heat exchanger tube.
Refer to Fig. 1, 8, shown in 9, in the present embodiment, the front tube sheet 80 be arranged between the first high temperature section 41 and tube side imported equipments and parts 10 is not retained in together mutually with shell and tube side imported equipments and parts 10, namely be convexly equipped with protruding 105 by shell and be formed with host cavity 106 with outside, in the present embodiment, this projection is arranged in the inner chamber of shell ringwise, above-mentioned front tube sheet 80 is positioned at host cavity 106, namely described front tube sheet 80 by protruding 105 abut and prevent in front tube sheet inlet cavity, and the external diameter of described front tube sheet is less than the internal diameter of the host cavity 106 of shell, but be greater than the protruding internal diameter of 105 and the external diameter of tube side imported equipments and parts 10, therefore, front tube sheet 80 is limited between these the first high temperature section 41 and tube side imported equipments and parts 10, be conducive to front tube sheet be heated before and after expanding with heat and contract with cold time shrink freely.And this front tube sheet 80, thermal insulating filling 82 and metal platen 83 form a bobbin carriage, and be installed on bearing 200 in the downside of bobbin carriage, under front tube sheet 80 and metal platen 83 are heated uneven situation, this bearing 200 be conducive to regulating front tube sheet 80 and metal platen 83 by thermal deformation, in case the excessive deformation of front tube sheet and metal platen.In the present embodiment, this seat supports is in the downside of front tube sheet 80.
If heat transferring medium is after high temperature heat exchange, flow out from the shell-side outlet 43 of the first high temperature section 41, therefore, at the shell of this shell-side outlet because being heated, and expand phenomenon, in the present embodiment, at the shell-side outlet 43 of described first high temperature section 41 in bell mouth shape, and be provided with several expansion joint 60 in bell mouth shape towards junction between end and pipe at this shell-side outlet 43, this expansion joint 60 is around the surrounding of shell-side outlet, relatively existing high temperature resistant heat exchanger, expansion joint can improve the deformation of course outlet, when even the temperature on right side is greater than the temperature in left side, the dynamics be stretched on the right side of this will be greater than the position in left side, between this expansion joint 60 is arranged between adjustable first high temperature section and pipe, surrounding is heated uneven expanding with heat and contract with cold, prevent the factors such as front tube sheet 80 and shell are heated and split, extend the service life of high temperature resistant heat exchanger.In the present embodiment simultaneously, these tube side imported equipments and parts and high-temperature region heat exchanger are interconnected by several expansion joint, described shell-side outlet parts and low-temperature space heat exchanger are also interconnected by several expansion joint, all can improve and because being heated inequality, cleavage phenomenon occur each other.
Above-mentioned embodiment is better embodiment of the present invention, and certain the present invention also can adopt following embodiment:
As shown in Figure 10, above-mentioned bearing also can arrange a pair, and be arranged on the both sides of high temperature resistant heat exchanger respectively, the two ends of each crossbeam are by shore supports, several suspender belt is distributed between this pillar, and be interconnected with high temperature resistant heat exchanger and crossbeam respectively, make high temperature resistant heat exchanger be in unsettled hanging state.
As shown in figure 11, above-mentioned bearing also can arrange a pair, and be arranged on the both sides of high temperature resistant heat exchanger respectively, each crossbeam is that two ends are by shore supports, and between pillar, be provided with other pillars, and and be equipped with several suspender belt between each pillar, this suspender belt is interconnected with high temperature resistant heat exchanger and crossbeam simultaneously, makes high temperature resistant heat exchanger be in unsettled hanging state.
As: each gear pipe 84 forms horn mouth, and is set in outside heat exchanger tube 90, and the opening of gear pipe 84 is connected on pressing plate towards end, and gear pipe 84 and heat exchanger tube 90 is welded to each other and is fixed together
As: as described in suspender belt also can be annular steel cable form, this annular steel cable one end is arranged on crossbeam, the other end install on heat exchangers, make high temperature resistant heat exchanger be in unsettled hanging state simultaneously.
For another example: the chain of described suspender belt also can, and be separately fixed on high temperature resistant heat exchanger and bearing only by a pair mutual clasp of semicircular suspension ring together.
Claims (9)
1. a high temperature resistant heat exchanger, it comprises: shell, be positioned at front tube sheet and the back tube sheet of shell rear and front end, several heat exchanger tube and be positioned at the tube side imported equipments and parts in front tube sheet front, described shell is provided with inner chamber, before, back tube sheet correspondence is provided with several pore passed for heat exchanger tube, before the two ends of described heat exchanger tube are each passed through, the pore of back tube sheet, and be contained in the inner chamber of this shell, it is characterized in that: one end of described heat exchanger tube is fixedly connected with back tube sheet, the other end of described heat exchanger tube protrudes out forward through the pore of front tube sheet, and be flexibly connected with front tube sheet, described high temperature resistant heat exchanger comprises thermal insulating filling further, and this thermal insulating filling is arranged at the front of front tube sheet and is clamped between adjacent heat exchange tubes.
2. high temperature resistant heat exchanger as claimed in claim 1, it is characterized in that: described high temperature resistant heat exchanger comprises the metal platen being positioned at thermal insulating filling front further, described metal platen is installed between adjacent heat exchange tubes, and above-mentioned thermal insulating filling is clamped between tube sheet and metal platen.
3. high temperature resistant heat exchanger as claimed in claim 1 or 2, is characterized in that: two-layer before and after described thermal insulating filling comprises, and one deck thermal insulating filling is resistance to erosion heat-barrier material above.
4. high temperature resistant heat exchanger as claimed in claim 2, is characterized in that: described high temperature resistant heat exchanger comprises several gear pipe be positioned at outside metal platen further, and each gear pipe box is located at the front end of heat exchanger tube, and is fixedly connected with heat exchanger tube.
5. high temperature resistant heat exchanger as claimed in claim 4, is characterized in that: described gear pipe is in bell mouth shape, and this bell-mouthed opening is arranged towards metal platen.
6. high temperature resistant heat exchanger as claimed in claim 1, it is characterized in that: the low-temperature space heat exchanger that described high temperature resistant heat exchanger comprises high-temperature region heat exchanger further and communicates with high-temperature region heat exchanger, this high-temperature region heat exchanger is arranged between tube side imported equipments and parts and low-temperature space heat exchanger, front tube sheet between described tube side imported equipments and parts and high-temperature region heat exchanger is mobilizable to be arranged between tube side imported equipments and parts and high-temperature region heat exchanger, is welded to each other is fixed together away from the back tube sheet of tube side imported equipments and parts and heat exchanger tube.
7. high temperature resistant heat exchanger as claimed in claim 6, is characterized in that: be provided with several expansion joint between described tube side imported equipments and parts and high-temperature region heat exchanger.
8. high temperature resistant heat exchanger as claimed in claim 2, it is characterized in that: described high temperature resistant heat exchanger comprises bearing further, described front tube sheet, thermal insulating filling and pressing plate form a bobbin carriage, this bearing settlement is in the downside of bobbin carriage, this bearing comprises supporter and suspender belt, one end of this suspender belt is installed on bobbin carriage, and the other end is installed on supporter, by bobbin carriage to be unsettled hanging state.
9. high temperature resistant heat exchanger as claimed in claim 1 or 2, it is characterized in that: described high temperature resistant heat exchanger comprises bearing further, this bearing settlement is in the downside of front tube sheet, this bearing comprises supporter and suspender belt, one end of this suspender belt is installed on tube sheet, the other end is installed on supporter, by tube sheet to be unsettled hanging state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834581.9A CN104457332B (en) | 2014-12-29 | 2014-12-29 | High-temperature-resistant heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834581.9A CN104457332B (en) | 2014-12-29 | 2014-12-29 | High-temperature-resistant heat exchanger |
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| CN104457332A true CN104457332A (en) | 2015-03-25 |
| CN104457332B CN104457332B (en) | 2017-04-19 |
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| CN201410834581.9A Active CN104457332B (en) | 2014-12-29 | 2014-12-29 | High-temperature-resistant heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387110A (en) * | 2018-11-30 | 2019-02-26 | 北京美联桥科技集团有限公司 | A kind of heat exchange tube structure and modularization cooler for eliminating the damage effect that expands with heat and contract with cold |
| CN109676367A (en) * | 2018-12-28 | 2019-04-26 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of method of heat exchanger assemblies and the assembly heat exchanger assemblies |
| CN109732536A (en) * | 2018-12-29 | 2019-05-10 | 东方电气集团东方锅炉股份有限公司 | A kind of double tubesheet arch heat exchanger tube poling technique |
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| JPH10197191A (en) * | 1996-12-27 | 1998-07-31 | Mitsubishi Heavy Ind Ltd | High-temperature side tube plate for multi-tube type heat exchanger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109387110A (en) * | 2018-11-30 | 2019-02-26 | 北京美联桥科技集团有限公司 | A kind of heat exchange tube structure and modularization cooler for eliminating the damage effect that expands with heat and contract with cold |
| CN109387110B (en) * | 2018-11-30 | 2023-12-29 | 北京美联桥科技集团有限公司 | Heat exchange tube structure and modularized cooler for eliminating thermal expansion and contraction damage effects |
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| CN109732536A (en) * | 2018-12-29 | 2019-05-10 | 东方电气集团东方锅炉股份有限公司 | A kind of double tubesheet arch heat exchanger tube poling technique |
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| Publication number | Publication date |
|---|---|
| CN104457332B (en) | 2017-04-19 |
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