CN201991577U - Cylinder edge communicating device for ship steam turbines - Google Patents
Cylinder edge communicating device for ship steam turbines Download PDFInfo
- Publication number
- CN201991577U CN201991577U CN2011201201067U CN201120120106U CN201991577U CN 201991577 U CN201991577 U CN 201991577U CN 2011201201067 U CN2011201201067 U CN 2011201201067U CN 201120120106 U CN201120120106 U CN 201120120106U CN 201991577 U CN201991577 U CN 201991577U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipes
- bellows
- cylindrical block
- block pieces
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
A cylinder edge communicating device for ship steam turbines relates to a ship steam turbine communicating device, and aims to resolve problems that a present cylinder edge communicating device for ship steam turbines is complex in structure, increases pressure loss, reduces reliability and affects thermal efficiency of units. A connection position of one of two first tubes with a second tube is sleeved in a first corrugated tube, the second tube is communicated with one of two third tubes via one of two welding elbows, a connection position of one of the two third tubes with a fourth tube is sleeved in a second corrugated tube, the fourth tube is communicated with a fifth tube via a flange, a connection position of the fifth tube with a sixth tube is sleeved in a third corrugated tube, a connection position of the sixth tube with the other one of the two third tubes is sleeved in a fourth corrugated tube, the other one of the two third tubes is communicated with a seventh tube via the other one of the two welding elbows, a connection position of the seventh tube with the other one of the two first tubes is sleeved in a fifth corrugated tube, and a flow guiding plate is mounted in each welding elbow. The cylinder edge communicating device for ship steam turbines is used for realizing connection of cylinders of the ship steam turbines.
Description
Technical field
The utility model relates to a kind of steam turbine cylinder border communication apparatus.
Background technique
High-temperature steam enters another cylinder through existing boats and ships steam turbine cylinder border communication apparatus from a cylinder, thermal expansion at high temperature takes place in steam, compress bellows, influence reliability for excessive compression axially takes place the restriction bellows, usually add spacing muscle in bellows interior, both influence internal flow, increased high temperature resistant precious materials again; Or bellows made flanged (FLGD) independent one section, and add pull bar, increase annexes such as flange, bolt, pull bar, structure is more complicated, and reliability also can reduce.More than these conventional ways all make apparatus structure complicated, or reduce reliability, and a common drawback arranged, i.e. the eddy current loss of bellows annular cavity increases the device pressure loss, has influenced unit efficiency.
High-temperature steam enters another cylinder through existing boats and ships steam turbine cylinder border communication apparatus from a cylinder, wherein will experience twice right angle turnover.Usually the implementation method of right angle turnover has: 1, adopt elbow, do not add guide plate; 2, adopt louver vane; 3, adopt elbow, in the middle of guide plate is added in.Louver vane owing to additionally increased more resistance piece, needs cautiously during application, design well, just can reduce thermal loss, otherwise increase loss on the contrary, and middle guide plate has the risk that flutter takes place, and the installation complexity is unfavorable for promoting; Single guide plate is added in the middle of the elbow, can make the total thermal loss of device reduce by 4%; Two uniform being added in the middle of the elbow of guide plate are installed total thermal loss reduction and are had only 0.8% on the contrary.
The model utility content
The purpose of this utility model provides a kind of boats and ships steam turbine cylinder border communication apparatus, to solve present boats and ships steam turbine cylinder border communication apparatus complex structure, higher, the reliability reduction of the pressure loss, has influenced the problem of generatine set heat efficiency.
The utility model is to solve the problems of the technologies described above the technological scheme of taking to be: described device comprises second pipe, the 4th pipe, flange, the 5th pipe, the 6th pipe, the 7th pipe, two first pipes, two weld ells, two the 3rd pipes and two water conservancy diversion 1, described device also comprises first bellows, second bellows, the 3rd bellows, the 4th bellows and the 5th bellows, in two first pipes one is sleeved in first bellows with the second pipe joint, second pipe by one in two weld ells with two the 3rd pipes in one be communicated with, the 3rd pipe is sleeved in second bellows with the 4th pipe joint, the 4th pipe is communicated with the 5th pipe by flange, the 5th pipe is sleeved in the 3rd bellows with the 6th pipe joint, the 6th pipe is sleeved in the 4th bellows with another joint in two the 3rd pipes, in two the 3rd pipes another managed and is communicated with the 7th by in two weld ells another, the 7th pipe is sleeved in the 5th bellows with another joint in two first pipes, a guide plate is housed in each weld ell, distance between the small-bend radius inwall of this guide plate and pairing weld ell is 0.32-0.34 with the ratio of the latus rectum of weld ell, and the bending radius center of guide plate 1 overlaps with the bending radius center of weld ell.
The utlity model has following beneficial effect: 1. the through-flow wall of bellows interior of the utility model employing almost is equivalent to straight-through light pipe, eliminated the eddy current loss of bellows annular cavity, be actually used in conjunction with engineering in the thermal compensation of pipeline, can significantly reduce the pressure loss, improve energy utilization rate; 2. the utility model adopts is provided with the biasing guide plate, has eliminated the eddy current loss after the right angle turnover greatly, can make the device total losses reduce by 7%, and Security is good, and installation is simple, is convenient to promote, can be in fluid line extensively adopt, invest lessly, but energy-saving effect is remarkable.
Description of drawings
Fig. 1 is an overall structure plan view of the present utility model, and Fig. 2 is the partial structurtes schematic representation of bellows, and Fig. 3 is the structural representation of weld ell, and Fig. 4 is the linkage structure schematic representation of the 7th pipe 12 and first pipe 1, and Fig. 5 is the A point enlarged view of Fig. 1.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 3, the device of present embodiment comprises second pipe 4, the 4th pipe 7, flange 8, the 5th pipe 9, the 6th pipe 10, the 7th pipe 12, two first pipes 1, two weld ells 5,6 and two guide plates 11 of two the 3rd pipes, it is characterized in that described device also comprises first bellows 16, second bellows 17, the 3rd bellows 18, the 4th bellows 19 and the 5th bellows 20, two first one and second of managing in 1 manage 4 joints and are sleeved in first bellows 16, second pipe 4 is communicated with two the 3rd one of managing in 6 by one in two weld ells 5, the 3rd pipe the 6 and the 4th pipe 7 joints are sleeved in second bellows 17, the 4th pipe 7 is communicated with the 5th pipe 9 by flange 8, the 5th pipe the 9 and the 6th pipe 10 joints are sleeved in the 3rd bellows 18, another joint in 10 and two the 3rd pipes 6 of the 6th pipe is sleeved in the 4th bellows 19, in 6 another of two the 3rd pipes managed 12 and is communicated with the 7th by in two weld ells 5 another, another joint in 12 and two first pipes 1 of the 7th pipe is sleeved in the 5th bellows 20, a guide plate 11 is housed in each weld ell 5, distance between the small-bend radius inwall of this guide plate 11 and pairing weld ell 5 is 0.32-0.34 with the ratio of the latus rectum φ of weld ell 5, and the bending radius center of guide plate 11 overlaps with the bending radius center of weld ell 5.
Embodiment two: present embodiment is described in conjunction with Fig. 2, first bellows 16 of present embodiment, the 3rd bellows 18 and the 5th bellows 20 are by two head ends, half slip joint 2-1, half slip joint 3 and terminal half slip joint 2-2 are connected in series successively and form in the middle of 2-6, the ripple deep equality of head end half slip joint 2-1 and terminal half slip joint 2-2, the ripple degree of depth h2 of half slip joint 3 is less than the ripple degree of depth h1 of head end half slip joint 2-1 in the middle of each, spacing between the two is C, the ripple degree of depth of half slip joint 2-2 is less than the ripple degree of depth of head end half slip joint 2-1 in the middle of each, allow pipeline directly to go deep into bellows, and reserved deformation space, for realizing that the thermal compensation of runner under smooth created condition, unit efficiency is unaffected.Other compositions and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, second bellows 17 of present embodiment and the 4th bellows 19 form by head end half slip joint 2-1 and terminal half slip joint 2-2 serial connection, the ripple deep equality of head end half slip joint 2-1 and terminal half slip joint 2-2, pipeline can directly go deep into bellows, deformation space is not limited, for realizing that the thermal compensation of runner under smooth created condition, unit efficiency is unaffected.Other compositions and annexation are identical with embodiment one.
Embodiment four: present embodiment is described in conjunction with Fig. 1, the described device of present embodiment also comprises two first cylindrical block piece 13-1, two first one and second of managing in 1 are provided with two first cylindrical block piece 13-1 between managing 4, be horizontally disposed with side by side before and after two the first cylindrical block piece 13-1, be equipped with two less than 180 semicircle grooves of spending on the end face of two first pipes in 1 and second pipe 4, two semicircle grooves of first pipe 1 and the semicircle groove of corresponding second pipe 4 are oppositely arranged and form two circular ports, each first cylindrical block piece 13-1 is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each first cylindrical block piece 13-1 and second pipe 4, two first pipes in 1 one are rotationally connected by two first cylindrical block piece 13-1 with second pipe 4, during the utility model heat expansion, arcuate deformation takes place in the heart line vertical plane in each first cylindrical block piece 13-1 therein, said structure has been realized the communication apparatus controlled thermal bulging deformation under the axial deformation of restriction bellows, improved the reliability of device, and make air-flow almost flow through bellows glossily, eliminated the eddy current loss of bellows annular cavity.Other compositions and annexation are identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 1 and Fig. 5, the described device of present embodiment also comprises two second cylindrical block piece 13-2, two the 3rd one and the 4th of managing in 6 are provided with two second cylindrical block piece 13-2 between managing 7, two second vertical side by side up and down settings of cylindrical block piece 13-2, be equipped with two less than 180 semicircle grooves of spending on the end face of two the 3rd pipes in 6 and the 4th pipe 7, two semicircle grooves of the 3rd pipe 6 and the semicircle groove of corresponding the 4th pipe 7 are oppositely arranged and form two circular ports, each second cylindrical block piece 13-2 is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each second cylindrical block piece 13-2 and the 4th pipe 7, two the 3rd pipes in 6 one are rotationally connected by two second cylindrical block piece 13-2 with the 4th pipe 7, S deformation shape takes place in each second cylindrical block piece 13-2 during the utility model heat expansion in horizontal plane, said structure has been realized the communication apparatus controlled thermal bulging deformation under the axial deformation of restriction bellows, improved the reliability of device, and make air-flow almost flow through bellows glossily, eliminated the eddy current loss of bellows annular cavity.Other compositions and annexation are identical with embodiment one.
Embodiment six: present embodiment is described in conjunction with Fig. 4, the device of present embodiment also comprises two three cylindrical shape block piece 13-3, be provided with two three cylindrical shape block piece 13-3 between the 5th pipe the 9 and the 6th pipe 10, be horizontally disposed with side by side before and after two three cylindrical shape block piece 13-3, two semicircle grooves of the 5th pipe 9 and the semicircle groove of corresponding the 6th pipe 10 are oppositely arranged and form two circular ports, each three cylindrical shape block piece 13-3 is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each three cylindrical shape block piece 13-3 and the 6th pipe 10, the 5th pipe 9 end face and the 6th is managed 10 and is rotationally connected by two three cylindrical shape block piece 13-3, during the utility model heat expansion, arcuate deformation takes place in the heart line vertical plane in each three cylindrical shape block piece 13-3 therein, said structure has been realized the communication apparatus controlled thermal bulging deformation under the axial deformation of restriction bellows, improved the reliability of device, and make air-flow almost flow through bellows glossily, eliminated the eddy current loss of bellows annular cavity.Other compositions and annexation are identical with embodiment one.
Embodiment seven: present embodiment is described in conjunction with Fig. 4, the device of present embodiment also comprises two the 4th cylindrical block piece 13-4, be provided with two the 4th cylindrical block piece 13-4 between in 10 and two the 3rd pipes 6 of the 6th pipe another, two the 4th vertical side by side up and down settings of cylindrical block piece 13-4, be equipped with two semicircle grooves on the end face of another in 10 and two the 3rd pipes 6 of the 6th pipe less than 180 degree, two semicircle grooves of the 6th pipe 10 and the semicircle groove of corresponding the 3rd pipe 6 are oppositely arranged and form two circular ports, and the outer surface welding of another in the stub end semicolumn side of each the 4th cylindrical block piece 13-4 and two the 3rd pipe 6, in 10 and two the 3rd pipes 6 of the 6th pipe another is rotationally connected by two the 4th cylindrical block piece 13-4, S deformation shape takes place in each second cylindrical block piece 13-4 during the utility model heat expansion in horizontal plane, said structure has been realized the communication apparatus controlled thermal bulging deformation under the axial deformation of restriction bellows, improved the reliability of device, and make air-flow almost flow through bellows glossily, eliminated the eddy current loss of bellows annular cavity.Other compositions and annexation are identical with embodiment one.
Embodiment eight: present embodiment is described in conjunction with Fig. 1, the device of present embodiment also comprises two the 5th cylindrical block piece 13-5, in 12 and two first pipes 1 of the 7th pipe another is provided with two the 5th cylindrical block piece 13-5, be horizontally disposed with side by side before and after two the 5th cylindrical block piece 13-5, be equipped with two semicircle grooves on the end face of another in 12 and two first pipes 1 of the 7th pipe less than 180 degree, two semicircle grooves of the 7th pipe 12 and the semicircle groove of corresponding first pipe 1 are oppositely arranged and form two circular ports, each the 5th cylindrical block piece 13-5 is installed in the corresponding circular port, and the stub end semicolumn side of each the 5th cylindrical block piece 13-5 with the welding of the 7th pipe 12 outer surface, in 12 and two first pipes 1 of the 7th pipe another is rotationally connected by two the 5th cylindrical block piece 13-5, during the utility model heat expansion, arcuate deformation takes place in the heart line vertical plane in each the 5th cylindrical block piece 13-5 therein, said structure has been realized the communication apparatus controlled thermal bulging deformation under the axial deformation of restriction bellows, improved the reliability of device, and make air-flow almost flow through bellows glossily, eliminated the eddy current loss of bellows annular cavity.Other compositions and annexation are identical with embodiment one.
Embodiment nine: in conjunction with Fig. 1 present embodiment is described, the device of present embodiment comprises that also device also comprises two lap joint flanges 14 and two connecting rings 15, and each first pipe 1 is connected with a lap joint flange 14 by a connecting ring 15.Other compositions and annexation are identical with embodiment one.
Claims (9)
1. boats and ships steam turbine cylinder border communication apparatus, described device comprises second pipe (4), the 4th pipe (7), flange (8), the 5th pipe (9), the 6th pipe (10), the 7th pipe (12), two first pipes (1), two weld ells (5), two the 3rd pipes (6) and two guide plates (11), it is characterized in that described device also comprises first bellows (16), second bellows (17), the 3rd bellows (18), the 4th bellows (19) and the 5th bellows (20), manage (4) joint and be sleeved in first bellows (16) for one and second in two first pipes (1), second pipe (4) by one in two weld ells (5) with two the 3rd pipes (6) in one be communicated with, the 3rd pipe (6) is sleeved in second bellows (17) with the 4th pipe (7) joint, the 4th pipe (7) is communicated with the 5th pipe (9) by flange (8), the 5th pipe (9) is sleeved in the 3rd bellows (18) with the 6th pipe (10) joint, another joint in the 6th pipe (10) and two the 3rd pipes (6) is sleeved in the 4th bellows (19), in two the 3rd pipes (6) another managed (12) and is communicated with the 7th by in two weld ells (5) another, another joint in the 7th pipe (12) and two first pipes (1) is sleeved in the 5th bellows (20), a guide plate (11) is housed in each weld ell (5), distance between the small-bend radius inwall of this guide plate (11) and pairing weld ell (5) is 0.32-0.34 with the ratio of the latus rectum (φ) of weld ell (5), and the bending radius center of guide plate (11) overlaps with the bending radius center of weld ell (5).
2. according to the described boats and ships steam turbine of claim 1 cylinder border communication apparatus, it is characterized in that first bellows (16), the 3rd bellows (18) and the 5th bellows (20) are connected in series successively by head end half slip joint (2-1), (2-6) individual centre half slip joint (3) and terminal half slip joint (2-2) forms, the ripple deep equality of head end half slip joint (2-1) and terminal half slip joint (2-2), the ripple degree of depth (h2) of half slip joint (3) is less than the ripple degree of depth (h1) of head end half slip joint (2-1) in the middle of each, and the spacing between the two is (C).
3. according to claim 1 or 2 described boats and ships steam turbine cylinder border communication apparatus, it is characterized in that second bellows (17), the 4th bellows (19) form the ripple deep equality of head end half slip joint (2-1) and terminal half slip joint (2-2) by head end half slip joint (2-1) and terminal half slip joint (2-2) serial connection.
4. according to the described boats and ships steam turbine of claim 3 cylinder border communication apparatus, it is characterized in that described device also comprises two first cylindrical block pieces (13-1), manage between (4) for one and second in two first pipes (1) and be provided with two first cylindrical block pieces (13-1), be horizontally disposed with side by side before and after two the first cylindrical block pieces (13-1), be equipped with two semicircle grooves on the end face of in two first pipes (1) and second pipe (4) less than 180 degree, two semicircle grooves of first pipe (1) and the semicircle groove of corresponding second pipe (4) are oppositely arranged and form two circular ports, each first cylindrical block piece (13-1) is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each first cylindrical block piece (13-1) and second pipe (4) is managed (4) and is rotationally connected by two first cylindrical block pieces (13-1) for one and second in two first pipes (1).
5. according to the described boats and ships steam turbine of claim 4 cylinder border communication apparatus, it is characterized in that described device also comprises two second cylindrical block pieces (13-2), manage between (7) for one and the 4th in two the 3rd pipes (6) and be provided with two second cylindrical block pieces (13-2), two second cylindrical block pieces (13-2) are vertical side by side up and down to be provided with, be equipped with two semicircle grooves on the end face of in two the 3rd pipes (6) and the 4th pipe (7) less than 180 degree, two semicircle grooves of the 3rd pipe (6) and the semicircle groove of corresponding the 4th pipe (7) are oppositely arranged and form two circular ports, each second cylindrical block piece (13-2) is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each second cylindrical block piece (13-2) and the 4th pipe (7) is managed (7) and is rotationally connected by two second cylindrical block pieces (13-2) for one and the 4th in two the 3rd pipes (6).
6. according to the described boats and ships steam turbine of claim 5 cylinder border communication apparatus, it is characterized in that described device also comprises two three cylindrical shape block pieces (13-3), be provided with two three cylindrical shape block pieces (13-3) between the 5th pipe (9) and the 6th pipe (10), be horizontally disposed with side by side before and after two three cylindrical shape block pieces (13-3), two semicircle grooves of the 5th pipe (9) and the semicircle groove of corresponding the 6th pipe (10) are oppositely arranged and form two circular ports, each three cylindrical shape block piece (13-3) is installed in the corresponding circular port, and the outer surface welding of the stub end semicolumn side of each three cylindrical shape block piece (13-3) and the 6th pipe (10), the end face of the 5th pipe (9) and the 6th pipe (10) are rotationally connected by two three cylindrical shape block pieces (13-3).
7. according to the described boats and ships steam turbine of claim 6 cylinder border communication apparatus, it is characterized in that described device also comprises two the 4th cylindrical block pieces (13-4), be provided with two the 4th cylindrical block pieces (13-4) between in the 6th pipe (10) and two the 3rd pipes (6) another, two the 4th cylindrical block pieces (13-4) are vertical side by side up and down to be provided with, be equipped with two semicircle grooves on the end face of another in the 6th pipe (10) and two the 3rd pipes (6) less than 180 degree, two semicircle grooves of the 6th pipe (10) and the semicircle groove of corresponding the 3rd pipe (6) are oppositely arranged and form two circular ports, and the welding of the outer surface of another in the stub end semicolumn side of each the 4th cylindrical block piece (13-4) and two the 3rd pipes (6), another in the 6th pipe (10) and two the 3rd pipes (6) is rotationally connected by two the 4th cylindrical block pieces (13-4).
8. according to the described boats and ships steam turbine of claim 7 cylinder border communication apparatus, it is characterized in that described device also comprises two the 5th cylindrical block pieces (13-5), in the 7th pipe (12) and two first pipes (1) another is provided with two the 5th cylindrical block pieces (13-5), be horizontally disposed with side by side before and after two the 5th cylindrical block pieces (13-5), be equipped with two semicircle grooves on the end face of another in the 7th pipe (12) and two first pipes (1) less than 180 degree, two semicircle grooves of the 7th pipe (12) and the semicircle groove of corresponding first pipe (1) are oppositely arranged and form two circular ports, each the 5th cylindrical block piece (13-5) is installed in the corresponding circular port, and the stub end semicolumn side of each the 5th cylindrical block piece (13-5) with the outer surface welding of the 7th pipe (12), another in the 7th pipe (12) and two first pipes (1) is rotationally connected by two the 5th cylindrical block pieces (13-5).
9. described according to Claim 8 boats and ships steam turbine cylinder border communication apparatus is characterized in that described device also comprises two lap joint flanges (14) and two connecting rings (15), and each first pipe (1) is connected with a lap joint flange (14) by a connecting ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201201067U CN201991577U (en) | 2011-04-21 | 2011-04-21 | Cylinder edge communicating device for ship steam turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201201067U CN201991577U (en) | 2011-04-21 | 2011-04-21 | Cylinder edge communicating device for ship steam turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991577U true CN201991577U (en) | 2011-09-28 |
Family
ID=44668067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201201067U Expired - Lifetime CN201991577U (en) | 2011-04-21 | 2011-04-21 | Cylinder edge communicating device for ship steam turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278153A (en) * | 2011-04-21 | 2011-12-14 | 中国船舶重工集团公司第七�三研究所 | Inter-cylinder connection device for marine steam turbine |
| CN102913294A (en) * | 2012-11-08 | 2013-02-06 | 北京东方东楼电力科技有限公司 | Energy-saving guiding device for exhaust passage of low-pressure turbine cylinder |
| CN106287093A (en) * | 2016-10-13 | 2017-01-04 | 德阳东久动力设备制造有限公司 | Hydraulic turbine vibrationproof balance pipe |
-
2011
- 2011-04-21 CN CN2011201201067U patent/CN201991577U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278153A (en) * | 2011-04-21 | 2011-12-14 | 中国船舶重工集团公司第七�三研究所 | Inter-cylinder connection device for marine steam turbine |
| CN102278153B (en) * | 2011-04-21 | 2013-12-25 | 中国船舶重工集团公司第七�三研究所 | Inter-cylinder connection device for marine steam turbine |
| CN102913294A (en) * | 2012-11-08 | 2013-02-06 | 北京东方东楼电力科技有限公司 | Energy-saving guiding device for exhaust passage of low-pressure turbine cylinder |
| CN102913294B (en) * | 2012-11-08 | 2014-11-05 | 北京东方东楼电力科技有限公司 | Energy-saving guiding device for exhaust passage of low-pressure turbine cylinder |
| CN106287093A (en) * | 2016-10-13 | 2017-01-04 | 德阳东久动力设备制造有限公司 | Hydraulic turbine vibrationproof balance pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201991577U (en) | Cylinder edge communicating device for ship steam turbines | |
| CN201444006U (en) | Full soldering board type overfall heat net heater | |
| CN102278153B (en) | Inter-cylinder connection device for marine steam turbine | |
| CN203893704U (en) | Non-isometric dual helical baffle plate tubular heat exchanger | |
| CN109724277B (en) | Geothermal well heat exchange device | |
| CN203837530U (en) | High-efficiency energy-saving tube type heat exchanger | |
| CN103307911A (en) | Rectangular fully welded U-shaped tube type heating network heater | |
| CN202769275U (en) | Temperature control conduction oil circulating pipeline system | |
| CN102410747B (en) | Multi-level boost energy-saving heat exchanger | |
| CN204852752U (en) | Pipeline companion heat structure | |
| CN205014864U (en) | Heat exchanger fin and adopt dislocation formula heat exchanger of this heat exchanger fin | |
| CN209116846U (en) | A kind of new energy recycling hot waste water processing unit | |
| CN2429808Y (en) | Acoustic speed varying boost heat exchanger | |
| CN201392111Y (en) | Crude oil/steam heat exchanger | |
| CN212778747U (en) | Detachable heat exchanger structure | |
| CN212004614U (en) | Water conservancy project hot-water resistant pipe | |
| CN213983495U (en) | Outer barrel split type coke oven crude gas waste heat utilization device with filling layer | |
| CN202709096U (en) | Pressure-resistant planetary pipe ring type roller slag cooler | |
| CN112796844B (en) | Connecting structure of single valve and air cylinder of supercritical carbon dioxide power generation system | |
| CN211626174U (en) | Energy-saving heat exchanger | |
| CN210892804U (en) | Double-channel heat exchanger | |
| CN212030290U (en) | High-efficiency energy-saving plate heat exchanger | |
| CN216592901U (en) | High-efficiency drainage heat exchanger | |
| CN216143760U (en) | Flow equalizing device at right-angle turning of large-diameter circular smoke air duct | |
| CN103574596B (en) | Withstand voltage planetary pipe ring type barrel slag cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |