CN103148730A - Two-flow tube header structure of wound-tube-type heat exchanger - Google Patents
Two-flow tube header structure of wound-tube-type heat exchanger Download PDFInfo
- Publication number
- CN103148730A CN103148730A CN2013101070312A CN201310107031A CN103148730A CN 103148730 A CN103148730 A CN 103148730A CN 2013101070312 A CN2013101070312 A CN 2013101070312A CN 201310107031 A CN201310107031 A CN 201310107031A CN 103148730 A CN103148730 A CN 103148730A
- Authority
- CN
- China
- Prior art keywords
- shell ring
- bobbin carriage
- tube
- heat exchanger
- tube header
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a two-flow tube header structure of a wound-tube-type heat exchanger. The two-flow tube header structure comprises a tube header assembly, a flange base and a tube sheet. The tube header assembly comprises an outer tube header and an inner tube header, wherein the inner tube header and the outer tube heater respectively comprise a nozzle and a head and a cylindrical shell which are sequentially connected, the inner tube header is arranged in the outer tube header and is connected with the outer tube header through rib plates, the nozzle of the inner tube header is led out from the cylindrical shell of the outer tube header, the lower end of the cylindrical shell of the outer tube header is fixedly arranged on the flange base, two annular sealing surfaces which are arranged in the same plane are arranged on the upper end surface of the tube sheet and are respectively connected with the bottom end surface of the cylindrical shell of the inner tube header and the bottom end surface of the flange base which is connected with the bottom end of the cylindrical shell of the outer tube header, gaskets are arranged between the connected end surfaces, and the flange base is connected with the tube sheet through bolts to tightly fasten the integral inner and outer tube headers on the tube sheet. The two-flow tube header structure has the advantages that the design and manufacturing difficulty and the production cost are reduced, the unreasonable design structure with a bypass tube header on a shell side is avoided, the design calculation and the manufacturing difficulty are reduced, the overall performance is excellent, the structure is convenient to assemble and the operation for maintenance, inspection, repair and the like is easy to conduct.
Description
Technical field
The present invention relates to the pressure vessels for the chemical industry technical field, relate in particular to a kind of coiled heat exchanger double-flow channel structure.
Background technology
Coiled heat exchanger is the new type high efficient heat exchanger that grew up in recent years, be widely used in heating or the refrigeration process process of the industries such as Coal Chemical Industry, methyl alcohol, and in industry classify according to heat exchanger inner fluid flow process, usually will walk shell-side fluid as a plume, therefore, sub-thread stream heat exchanger does not exist; Bifilar stream heat exchanger, one shell side that flows away, another plume is walked tube side; Three plume heat exchangers, one shell side that flows away, another two plumes are walked tube side; Four plume heat exchangers, one shell side that flows away, another three plumes are walked tube side, the like.
Every plume medium of Heat Exchangers is usually different, can not mix mutually each other, can only walk separately independently flow process passage.As shown in Figure 9, the bobbin carriage of conventional structure coiled heat exchanger is generally single process, in order to realize the multiple flow heat exchange, in the plume that the heat exchanger tube radical is maximum passes through bobbin carriage, the heat exchanger tube of other plume is separated to guide into from the shell side side with the shell side outside be connected the little bobbin carriage of collateral branch, namely as shell side right side, figure right side syndeton.Increase so on the one hand heat exchanger around pipe, poling difficulty, and make the shell-side complex structure, increase difficulty to the housing manufacturing, also make troubles to the overhaul of the equipments operation; On the other hand, when the heat exchanger tube radical of collateral branch's plume is more, collateral branch's bobbin carriage also will increase, cause the reinforcement for openings of collateral branch's bobbin carriage and shell side connecting portion to exceed conventional reinforcement for openings scope, the difficulty in computation of gaining in strength and designing, can not carry out opening reinforcement calculation with conventional method, and need to calculate by analysis design method, increase assessing the cost of design.
Summary of the invention
In order to overcome above-mentioned existing technological deficiency, the object of the present invention is to provide a kind of simple in structure, performance optimization, and the design of reduction equipment, manufacture difficulty and cost greatly, and the coiled heat exchanger double-flow channel structure of easy access and operation.
In order to overcome above-mentioned existing technological deficiency, the object of the present invention is to provide a kind of simple in structure, performance optimization, and the design of reduction equipment, manufacture difficulty and cost greatly, and the coiled heat exchanger double-flow channel structure of easy access and operation.
Achieve the above object, the present invention is achieved through the following technical solutions:
A kind of coiled heat exchanger double-flow channel structure, comprise bobbin carriage assembly, flange seat and tube sheet, the bobbin carriage assembly is fixed on flange seat, and flange seat and tube sheet removably connect, the bobbin carriage assembly comprises outer bobbin carriage and interior bobbin carriage, its middle external tube case comprises end socket A and the shell ring A that takes over A and connect successively, and shell ring A is provided with manhole, takes over A and is fixed on end socket A or shell ring A ectosome.The inner tube case comprises adapter B, end socket B and the shell ring B that connects successively.Interior bobbin carriage is positioned at outer bobbin carriage, and end socket B and shell ring B and shell ring A be by link of boards, takes over B and draws from the fairlead of outer bobbin carriage, and the shell ring A lower end of outer bobbin carriage is fixed on flange seat.The tube sheet upper surface is provided with and is positioned at conplane annular sealing surface A and annular sealing surface B, wherein flange seat bottom and annular sealing surface A join, between be separated with pad A, and shell ring B bottom and annular sealing surface B join, between be separated with pad B, flange seat is connected with the tube sheet bolt.
the present invention will be arranged on the bobbin carriage that the heat exchanger tube of other plumes is guided in outer bobbin carriage, in inciting somebody to action, outer bobbin carriage is pulled by muscle and is connected into integral body, and in forming, outer two different medium flow process passages, be that plume medium in the heat exchanger tube that is communicated with in the heat exchange tube that is connected of the plate hole of tube sheet corresponding with interior bobbin carriage on tube sheet enters interior bobbin carriage, drain into outer bobbin carriage outside and be connected with system pipeline by taking over B again, plume medium in the heat exchange tube that on this outer tube plate, the tube sheet plate hole corresponding with outer bobbin carriage is connected enters outer bobbin carriage, draining into the outside by adapter A again is connected with system pipeline, thereby realize that two plumes that in three plumes or Heat Exchangers, the heat exchanger tube radical is maximum are assigned to tube case side separately, avoided the structural design of shell-side deformity, greatly reduce designing and calculating and manufacture difficulty, the Maintenance and Repair operation of equipment is also convenient.
As optimization, described shell ring B and shell ring A are cylindric, gusset piece number between end socket B and shell ring B and shell ring A is no less than 3, and circumferentially uniform along shell ring A, shell ring adopts the cylindric stream damage of plume medium in bobbin carriage that enters bobbin carriage that be conducive to reduce, adopt circumferential uniform and be no less than 3 inside and outside bobbin carriages of link of boards, being conducive to further improve globality and the structural stability of inside and outside bobbin carriage; Do further to optimize, described shell ring A and the mutual arranged concentric of shell ring B, annular sealing surface A and the mutual arranged concentric of annular sealing surface B, the stringing of inside and outside tube side all is positioned on same center of circle concentric circles, each layer pore of inside and outside tube side is arranged in concentric circles, is convenient to sizing and the processing of each pore, guarantees that simultaneously each heat exchanger tube is wound around along circumferentially evenly distributing, aspect coiling and poling, each root heat exchanger tube in having guaranteed every layer in addition has identical length dimension.
As optimization, described adapter B outside the fairlead on the shell ring A of bobbin carriage and manhole over against, reduce adapter B pipeline positional structure in outer bobbin carriage to by manhole, bobbin carriage being carried out the restriction of maintenance and repair, reduce maintenance difficulties.
As preferably, the described mode of passing through welding of taking between A, end socket A and shell ring A is connected and fixed, and has simplified processing and assembly process, shorten the production cycle, improved production efficiency, strengthened intensity and the sealing joint of structure, save in addition metal material, alleviate construction weight.
As preferably, the described mode of passing through welding of taking between B, end socket B and shell ring B is connected and fixed, and has simplified processing and assembly process, shorten the production cycle, improved production efficiency, strengthened intensity and the sealing joint of structure, save in addition metal material, alleviate construction weight.
As preferably, described shell ring A and flange seat are connected and fixed by the mode of welding, have simplified processing and assembly process, shorten the production cycle, improved production efficiency, strengthened intensity and the sealing joint of structure, save in addition metal material, alleviate construction weight.
As preferably, the extraction location of the adapter on described adapter B and outer bobbin carriage is connected and fixed by the mode of welding, processing and assembly process have been simplified, shortened the production cycle, improved production efficiency, strengthen intensity and the joint tighness of structure, saved in addition metal material, alleviated construction weight.
compared with prior art, the invention has the beneficial effects as follows: in this structure, the outer tube box assembly connects into integral body by bearing rib, and in forming, outer two different medium flow process drainage channels, compare with conventional central dividing plate bobbin carriage, more be conducive to the distribution of heat exchanger tube on tube sheet of two flow process tube banks, the inner tube box assembly more can bear large pressure medium differential pressure more than conventional central dividing plate, and compare with conventional single process channel structure, tube case side can be designed to two plume flow processs, two plumes that can the heat exchanger tube radical is maximum are assigned to tube case side, thereby global optimization the coiled heat exchanger project organization, the equipment of greatly reducing manufactures and designs difficulty and production cost, realization two plumes that pipe radical in three plumes or Heat Exchangers is maximum are assigned to tube case side, avoided shell-side to establish the unreasonable structural design of collateral branch's bobbin carriage, reduce designing and calculating and manufacture difficulty, in addition, equipment arranges manhole and maintains easily, the carrying out of inspection operation.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is top perspective of the present invention;
Fig. 3 is outer bobbin carriage and flange seat connection diagram;
Fig. 4 is interior channel structure schematic diagram;
Fig. 5 is the tube plate structure schematic diagram;
Fig. 6 is the tube sheet cutaway view;
Fig. 7 is the local enlarged diagram of Fig. 6 tube sheet one side;
Fig. 8 is that the present invention moves schematic diagram;
Fig. 9 is conventional channel structure schematic diagram.
Mark in figure: bobbin carriage assembly 1, flange seat 2, tube sheet 3, outer bobbin carriage 4, interior bobbin carriage 5, adapter A4-1, end socket A4-2, shell ring A4-3, fairlead 4-4, manhole 6, adapter B5-1, end socket B5-2, shell ring B5-3, gusset 7, pad A8, pad B9, plate hole 10.
The specific embodiment
Disclosed all features in this specification, or the step in disclosed all methods or process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
Structure of the present invention is take the technical scheme that applies to three plume heat exchangers as example.embodiment 1, as shown in Fig. 1 and Fig. 2, a kind of coiled heat exchanger double-flow channel structure, comprise the bobbin carriage assembly 1 that is formed by outer bobbin carriage 4 and interior bobbin carriage 5, flange seat 2 and tube sheet 3, wherein as shown in Figure 3, outer bobbin carriage 4 comprises takes over A4-1, end socket A4-2 and shell ring A4-3, shell ring A4-3 is provided with manhole 6, taking over A4-1 is weldingly fixed on the ectosome of end socket A4-2, end socket A4-2 is fixedly connected with shell ring A4-3 top edge, take over A4-1, end socket A4-2 and shell ring A4-3 one consist of outer bobbin carriage flow guiding structure, as shown in Figure 4, interior bobbin carriage 5 comprises takes over B5-1, end socket B5-2 and shell ring B5-3, taking over B5-1 is fixedly connected on end socket B5-2, end socket B5-2 is connected and fixed with the upper limb of shell ring B5-3 again, take over B5-1, bobbin carriage flow guiding structure in end socket B5-2 and shell ring B5-3 one consist of.Described interior bobbin carriage 5 is arranged in outer bobbin carriage 4, wherein end socket B5-2 and shell ring B5-3 and shell ring A4-3 are connected and fixed by gusset 7, be that gusset 7 one ends are fixedly connected with shell ring B5-3 with end socket B5-2, the other end is fixedly connected with shell ring A4-3, the fairlead 4-4 from outer bobbin carriage 4 draws from fairlead 4-4 to take over simultaneously B5-1, and take over the B5-1 outer wall and be tightly connected at fairlead 4-4 and hole inner edge, outer bobbin carriage 4 is with to be connected bobbin carriage 5 in aggregates by gusset 7 connections.the shell ring A4-3 lower end of outer bobbin carriage 4 is fixed on flange seat 2, as Fig. 5, shown in Fig. 6 and Fig. 7, tube sheet 3 upper surfaces that are used for laying inside and outside bobbin carriage integrative-structure are provided with and are positioned at conplane annular sealing surface A3-1 and annular sealing surface B3-2, in annular sealing surface is divided into tube sheet 3, outer two stringing zones, respectively in correspondence, outer bobbin carriage flow spaces, connect into integrally-built flange seat 2 corresponding with annular sealing surface A3-1 and annular sealing surface B3-2 respectively with shell ring B5-3, wherein flange seat 2 lower surface inner edges are corresponding with annular sealing surface A3-1, shell ring B5-3 is corresponding with annular sealing surface B3-2, during installation, first place respectively pad A8 and pad B9 on annular sealing surface A3-1 and annular sealing surface B3-2, to connect into again whole in, the outer tube box assembly is withheld on tube sheet 3, wherein flange seat 2 bottom inner edges are pressed on pad A8, shell ring B5-3 bottom is pressed on pad B9, corresponding with circumferentially being provided with of tube sheet 3 due to flange seat 2 edges and overlap installing hole, adopt screw bolt and nut in installing hole place's connection tightens up, outer tube box assembly and tube sheet 3, to provide in enough thrust guarantees, sealing between outer tube box assembly and tube sheet 3, thereby in forming, two of outer bobbin carriages are flow spaces independently.
as shown in Figure 5, on tube sheet 3 in annular seal ring B3-2 ring the tube sheet position between position and annular sealing surface A3-1 and annular seal ring B3-2 all be evenly arranged plate hole 10, the plume flow spaces that two parts plate hole 10 is corresponding different, as shown in Figure 8, take three plume heat exchangers as example, plume A is from the shell-side drainage, plume B, plume C is from the tube case side drainage, wherein the plate hole of the tube sheet position between the plume B heat exchanger tube of flowing through and annular sealing surface A3-1 and annular seal ring B3-2 is connected, and the plate hole of the tube sheet position in the heat exchanger tube that plume C flows through and annular seal ring B3-2 ring is connected, plume B and plume C are after tube sheet 3 shuntings, plume B enters the flow spaces of outer bobbin carriage 4, plume C enters the flow spaces of interior bobbin carriage 5, design is analyzed in the large opening that need not to carry out shell-side collateral branch bobbin carriage, reduce housing design, manufacture difficulty.Need not to reduce heat-exchanging tube bundle coiling difficulty to collateral branch's bobbin carriage skirt, poling when carrying out around the pipe operation.Be wound around heat exchanger for multiple flow, two plumes that also can the heat exchanger tube radical is maximum are assigned to concentric double-flow bobbin carriage, and other plume that the heat exchanger tube radical is less is assigned to each collateral branch's bobbin carriage of shell-side, also can greatly reduce the design of heat exchanger manufacture difficulty.
In actual production, the drainage design of bobbin carriage is generally the larger plume of pressure medium and walks outer bobbin carriage flow process, and the less plume of pressure medium is walked interior bobbin carriage flow process, therefore when the equipment operation, if can not guarantee that inside and outside bobbin carriage flow process is simultaneously with pressure, also should pay the utmost attention to outer bobbin carriage first with pressure, the bonding strength that determines between quantity, thickness and other parameters of structural dimension of this gusset 7 is guaranteeing under the prerequisite of the sealing thrust that pad bears, can design according to concrete needs, the gusset quantity that usually seals thrust and identical parameters is proportional.
This channel structure from global optimization the design of coiled heat exchanger, greatly reduce and manufacture and design difficulty and production cost, realization two plumes that pipe radical in three plumes or Heat Exchangers is maximum are assigned to tube case side, avoided shell-side to establish the unreasonable project organization of collateral branch's bobbin carriage, reduce designing and calculating and manufacture difficulty, and this structural integrity is good, and is easy to assembly, is easy to the operations such as maintenance, maintenance.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (7)
1. a coiled heat exchanger double-flow channel structure, comprise bobbin carriage assembly (1), flange seat (2) and tube sheet (3), and bobbin carriage assembly (1) is fixed on flange seat (2), and flange seat (2) removably connects with tube sheet (3), it is characterized in that:
Described bobbin carriage assembly (1) comprises outer bobbin carriage (4) and interior bobbin carriage (5), its middle external tube case (4) comprises takes over A(4-1) and the end socket A(4-2 that connects successively) and shell ring A(4-3), shell ring A(4-3) be provided with manhole (6), take over A(4-1) be fixed on end socket A(4-2) or shell ring A(4-3) on ectosome, interior bobbin carriage (5) comprises the adapter B(5-1 that connects successively), end socket B (5-2) and shell ring B(5-3);
Described interior bobbin carriage (5) is positioned at outer bobbin carriage (4), end socket B (5-2) is connected and shell ring A(4-3 with shell ring B(5-3) be connected by gusset (7), take over B(5-1) draw described shell ring A(4-3 from the fairlead (4-4) of outer bobbin carriage (4)) lower end is fixed on flange seat (2);
Described tube sheet (3) upper surface is provided with and is positioned at conplane annular sealing surface A(3-1) and annular sealing surface B(3-2), wherein flange seat (2) bottom and annular sealing surface A(3-1) join, between be separated with pad A(8), and shell ring B(5-3) bottom and annular sealing surface B(3-2) join, between be separated with pad B(9), flange seat (2) is connected with tube sheet (3) bolt.
2. a kind of coiled heat exchanger double-flow channel structure according to claim 1, it is characterized in that: described shell ring B(5-3) with shell ring A(4-3) be cylindric, end socket B (5-2) and shell ring B(5-3) and shell ring A(4-3) between gusset (7) piece number be no less than 3, and along shell ring A(4-3) circumferentially uniform.
3. a kind of coiled heat exchanger double-flow channel structure according to claim 2, is characterized in that: described shell ring A(4-3) with shell ring B(5-3) mutual arranged concentric, annular sealing surface A(3-1) and annular sealing surface B(3-2) mutual arranged concentric.
4. according to claim 1 and 2 or 3 described a kind of coiled heat exchanger double-flow channel structures is characterized in that: described adapter A(4-1), end socket A(4-2) and shell ring A(4-3) between the mode of passing through to weld be connected and fixed.
5. according to claim 1 and 2 or 3 described a kind of coiled heat exchanger double-flow channel structures is characterized in that: described adapter B(5-1), end socket B (5-2) and shell ring B(5-3) between the mode of passing through to weld be connected and fixed.
6. according to claim 1 and 2 or 3 described a kind of coiled heat exchanger double-flow channel structures, is characterized in that: described shell ring A(4-3) be connected and fixed with the mode of flange seat (2) by welding.
7. according to claim 1 and 2 or 3 described a kind of coiled heat exchanger double-flow channel structures is characterized in that: described adapter B(5-1) with outer bobbin carriage (4) on the mode of extraction location by welding at body place be connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101070312A CN103148730A (en) | 2013-03-29 | 2013-03-29 | Two-flow tube header structure of wound-tube-type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101070312A CN103148730A (en) | 2013-03-29 | 2013-03-29 | Two-flow tube header structure of wound-tube-type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148730A true CN103148730A (en) | 2013-06-12 |
Family
ID=48546944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101070312A Pending CN103148730A (en) | 2013-03-29 | 2013-03-29 | Two-flow tube header structure of wound-tube-type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148730A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674773A (en) * | 2016-01-25 | 2016-06-15 | 牛玉振 | Winding type heat exchanger for LNG refrigerator |
| CN106852170A (en) * | 2016-04-25 | 2017-06-13 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
| CN107576219A (en) * | 2017-09-06 | 2018-01-12 | 河北科技大学 | A kind of combination tubular sheet heat exchanger with thermal compensation function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2095389A (en) * | 1981-03-09 | 1982-09-29 | Roach Heat Exchanges Pty Ltd | Shell and tube exchanger |
| CN201425441Y (en) * | 2009-04-24 | 2010-03-17 | 合肥通用机械研究院 | Water-bath vapor heating gasifier |
| CN201867091U (en) * | 2010-11-12 | 2011-06-15 | 山东北辰压力容器有限公司 | Rectangular all-welded tube and shell type heater for heating network |
| CN202582275U (en) * | 2012-04-10 | 2012-12-05 | 甘肃蓝科石化高新装备股份有限公司 | Multi-fluid shell-and-tube heat exchanger |
| CN202582283U (en) * | 2012-04-10 | 2012-12-05 | 甘肃蓝科石化高新装备股份有限公司 | Detachable multi-fluid tube-shell type heat exchanger |
-
2013
- 2013-03-29 CN CN2013101070312A patent/CN103148730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2095389A (en) * | 1981-03-09 | 1982-09-29 | Roach Heat Exchanges Pty Ltd | Shell and tube exchanger |
| CN201425441Y (en) * | 2009-04-24 | 2010-03-17 | 合肥通用机械研究院 | Water-bath vapor heating gasifier |
| CN201867091U (en) * | 2010-11-12 | 2011-06-15 | 山东北辰压力容器有限公司 | Rectangular all-welded tube and shell type heater for heating network |
| CN202582275U (en) * | 2012-04-10 | 2012-12-05 | 甘肃蓝科石化高新装备股份有限公司 | Multi-fluid shell-and-tube heat exchanger |
| CN202582283U (en) * | 2012-04-10 | 2012-12-05 | 甘肃蓝科石化高新装备股份有限公司 | Detachable multi-fluid tube-shell type heat exchanger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674773A (en) * | 2016-01-25 | 2016-06-15 | 牛玉振 | Winding type heat exchanger for LNG refrigerator |
| CN105674773B (en) * | 2016-01-25 | 2019-03-26 | 牛玉振 | Coiled heat exchanger for LNG ice chest |
| CN106852170A (en) * | 2016-04-25 | 2017-06-13 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
| WO2017185198A1 (en) * | 2016-04-25 | 2017-11-02 | 谭波 | Air cooler, air cooling island and operation method for air cooling island |
| CN106852170B (en) * | 2016-04-25 | 2019-02-05 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
| CN107576219A (en) * | 2017-09-06 | 2018-01-12 | 河北科技大学 | A kind of combination tubular sheet heat exchanger with thermal compensation function |
| CN107576219B (en) * | 2017-09-06 | 2019-03-15 | 河北科技大学 | A kind of combination tubular sheet heat exchanger with thermal compensation function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX2014008117A (en) | Modular plate and shell heat exchanger. | |
| CN102564167A (en) | Single-flow low-temperature spiral winding tube type heat exchanger with vacuum heat-insulation effect | |
| CN103148730A (en) | Two-flow tube header structure of wound-tube-type heat exchanger | |
| CN102914181B (en) | Fixed tube-sheet tubular heat exchanger detached to wash | |
| CN108061471A (en) | A kind of multiple-unit composite screw plate heat exchanger | |
| CN204923960U (en) | Large -scale vertical high -efficient spiral baffling board heat exchanger | |
| CN106362431A (en) | Built-in condensing device of distillation tower | |
| CN112053838A (en) | Steel-aluminum support protection type aluminum alloy heat dissipation device for oil-immersed power transformer and manufacturing method | |
| CN203259050U (en) | Winding type heat exchanger double-flow-path pipe box structure | |
| CN103438738A (en) | Communicating pipe pressure-bearing water-storage type heat exchanger and manufacture process thereof | |
| CN103438749B (en) | U-shaped tube type multi-strand flow heat exchanger tube box structure | |
| CN204881228U (en) | Condenser | |
| CN107328269B (en) | Plate-shell heat exchanger composed of parallel plate bundles | |
| CN103542745B (en) | Header package water storage heating installation multitube heat-conductive heat-exchanger and manufacture craft thereof | |
| CN207079265U (en) | A kind of nuclear steam generator circumferential weld annealing device | |
| CN210036349U (en) | Horizontal pipe gas cooler | |
| CN105333761B (en) | The integrated morphology of heat exchanger bobbin carriage | |
| CN208125324U (en) | A kind of connection structure of DC converter valve differential pressure indicator | |
| CN208889338U (en) | A kind of nuclear power plant's nested type reactor coolant pipe | |
| CN203758331U (en) | Separate circulating pipe type heat pipe heat exchanger | |
| CN201389451Y (en) | Cooling hydrogen connecting pipe of hot-wall hydrogenation reactor | |
| CN206167968U (en) | Distillation column embeds condensing equipment | |
| CN207456248U (en) | A kind of plate beam heat exchanger | |
| CN205826247U (en) | Large diameter heat pipe detachable pressure device assembly | |
| CN104359335A (en) | Novel multi-strand flow heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130612 |