CN201043643Y - Energy-saving and precious metal material saving vertical hanging support - Google Patents
Energy-saving and precious metal material saving vertical hanging support Download PDFInfo
- Publication number
- CN201043643Y CN201043643Y CNU2007200117716U CN200720011771U CN201043643Y CN 201043643 Y CN201043643 Y CN 201043643Y CN U2007200117716 U CNU2007200117716 U CN U2007200117716U CN 200720011771 U CN200720011771 U CN 200720011771U CN 201043643 Y CN201043643 Y CN 201043643Y
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- pipe support
- rectangular frame
- pipe clamp
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Abstract
The utility model relates to a riser branch hanger which can save not only energy but also precious metal, comprising a lug, a clamp and a tighten device on the clamp. The utility model is characterized in that a thermal insulating layer, hemicycle plates and/or a rectangle frame are also included; the lug is welded on the pipe, the lug seat is provided on the thermal insulating layer, the seat of the thermal insulating layer is provided on the two hemicycle plates or rectangle frame; hemicycle plates and/or the rectangle frame is welted on the clamp and fixed on the hanger. The utility model has the functions of energy and precious metal saving, construction procedure reduction and cost reduction. The utility model is suitable for not only metal pipe branch hangers but also plastic, glass and other nonmetal pipe branch hangers; and is also suitable for pipes with require heat and cold insulation.
Description
Technical field
The utility model relates to the supporting element of pipe or pillar, relates in particular to a kind of vertical pipe support suspension bracket.
Background technique
Existing riser cradle is as described in GB/T171162-1997 " piping support and hanger " the second portion P48, see Fig. 1, when medium temperature is high in the pipe, pipe clamp and bolt need be used chrome-moly steel, and for example this standard P 54 and P64 are described, see Fig. 2 and Fig. 3, the bearing that welds mutually with pipeline must be identical or compatible with pipe material, when if pipeline is low alloy steel or high alloy steel, this bearing need expend the metallic material of many costlinesses, load is big or temperature is high or both when having both at the same time, or the pipe support span increases, then the structure consumptive material is more.In addition, this kind structure is concentrated the pipeline local pressure, and when tube wall approached, pipeline rigidity was low, and when caliber was big, rigidity was lower, in this case, when big as if load, easily produces unstability, is unfavorable for safety.First P14 of HG/T21629-1999 " pipe support standard drawing " figure F1 (III type) and to scheme F11 described sees Fig. 4 and Fig. 5 for another example, this kind structure have above-mentioned deficiency equally.
The nonmetallic material that above-mentioned all structures of while all need to serve as a contrast enough insulating strengths prevent electrochemical corrosion.
And above-mentioned all structures do not consider energy-conservationly, and when pipe material was alloyed steel or non-ferrous metal, cost of production was higher.
If when doing the material of friction pair with polyfluortetraethylene plate, need to consider heat transfer distances, at this moment, can cause the journal stirrup size bigger.
On the other hand, above-mentioned all structure field welding workloads are big, need preheating before some occasion construction, need after the construction to carry out non-destructive inspection and heat treatment, cause the engineering cost height, and are long in time limit.
Summary of the invention
In view of the above-mentioned deficiency of existing in prior technology, the utility model be intended to propose a kind of energy-conservation, save expensive, reduce working procedure, reduce engineering cost, can make simultaneously institute's pipeline that hangs that prop up stressed even, also can prevent electrochemical corrosion, and need not consider the riser cradle and the standpipe suspension bracket of hot pipeline and teflon distance between plates.
Technical solution of the present utility model is achieved in that
A kind of energy-conservation and save the vertical pipe support suspension bracket of noble metal material, comprise the securing means on journal stirrup, pipe clamp and the pipe clamp, it is characterized in that also comprising thermal-protective coating, two semicircle ring flat-plates and/or rectangular frame;
Described vertical pipe support suspension bracket energy-conservation and saving noble metal material also comprises two suspension rods with holes or boatswain chair, the outside of the securing means on the pipe clamp also has a securing means in addition or on two end floor beams of rectangular frame securing means is arranged, and outside securing means on suspension rod or boatswain chair and the pipe clamp or the two ends securing means on the rectangular frame cooperate connection.That is to say, during as the standpipe suspension bracket, can establish the biserial bolt, get final product with two one end suspension rod and pipe clamp outside Bolt Connection with holes at pipe clamp bolt position.At this moment, adopt two semicircle ring flat-plates to be advisable, also can adopt square or rectangular frame with the parts that weld mutually the pipe clamp bottom.
Described journal stirrup can be a support plate, can also be the horizontal pipe that welds mutually with standpipe etc., journal stirrup and pipeline welding, and seat is on thermal-protective coating, the thermal-protective coating seat is on two semicircle ring flat-plates or rectangular frame; Described thermal-protective coating is watt circular thermal-protective coating of formation of two semi-annular shapes, can also watt constitute a circular thermal-protective coating by polylith, described two semicircle ring flat-plates or rectangle frame stand are on pipe support, described thermal-protective coating is a compound insulating material, be generally hard material, for hot pipeline, its thermal-protective coating is made the hydrophobic type thermal-protective coating by forming materials such as the glued agent of pulverized fuel ash or cement, sepiolite, perlite, brucite and water glass.For cold pipeline, with high density polyurethane integral foam or with after the natural fiber material oven dry, carry out the moulding of water proof fire retardant processing with unsaturated resin more usually.Clamped by pipe clamp between thermal-protective coating and the pipeline, pipe clamp is fixed by the securing means on it.
The semicircular ring panel seat is on pipe support, and the internal diameter of semicircle ring flat-plate is greater than outer diameter tube, in order to avoid the form heat bridge; If load is big, in order to ensure bearing capacity, can two semicircle ring flat-plates under thermal-protective coating under symmetry or be asymmetric with rectangular frame of pipeline weldering or between thermal-protective coating and the rectangular frame below it, weld two semicircle ring flat-plates; Semicircle ring flat-plate and pipe clamp welding, the semicircular ring panel seat is on pipe support; Perhaps rectangular frame and pipe clamp welding, the rectangle frame stand is on pipe support; Or pipe clamp two ends seat is on pipe support; Perhaps the semicircular ring panel seat is on rectangular frame, and the two is affixed or pipe clamp, rectangular frame and semicircle ring flat-plate three are affixed with pipe clamp and rectangular frame, and pipe clamp or rectangle frame stand are on pipe support; Described framework can be welded into angle steel, square steel, I-steel, channel-section steel or steel pipe level.
During as riser cradle,, the pipe support span guarantees that the two ends of pipe clamp or the two ends of rectangular frame are located on the pipe support if when exceeding pipe clamp or exceeding rectangular frame, can adopting according to the way of pipe support span horizontal-extending pipe clamp or rectangular frame length;
When above-mentioned rectangular frame is longer, in order to increase the loaded area of thermal-protective coating or semicircle ring flat-plate, described rectangular frame also comprise be welded between two long beams and perpendicular to two of long beam or two with upper beam, described crossbeam is near pipeline, be distributed in the both sides of pipeline, be adjacent to thermal-protective coating.
In order to improve the bearing capacity of thermal-protective coating, be fixed with the annulus backing plate coaxial near pipeline between described journal stirrup and the thermal-protective coating with pipeline, the internal diameter of annulus backing plate is slightly larger than outer diameter tube.In order to save material, described annulus backing plate is made up of two to two above segmentation annulus, and each annulus backing plate is fixedlyed connected with the one or more journal stirrups on it, decides on stressed difference.
In order to reduce the heat energy radiation loss, add radiation protective layer between described thermal-protective coating and the pipeline and/or between thermal-protective coating and the pipe clamp, described radiation protective layer can be ganoid aluminium foil or Copper Foil or other reflection material, also can spray the reflecting layer.
In order to reduce heat-energy losses, be convenient to construction, filling elastomeric flexible thermal-protective material between described semicircle ring flat-plate and/or rectangular frame and the pipeline is as high temperature resistant rock wool; In order to improve energy-saving effect, make thermal-protective coating stressed better, described thermal-protective coating is with the part, position that is in contact with it or all install the elastomeric flexible thermal-protective material additional.
If add radiation protective layer and elastomeric flexible thermal-protective material simultaneously, radiation protective layer can be added between the inside and outside radial end face of elastomeric flexible thermal-protective material and thermal-protective coating, can also both be opposite.At this moment, can select for use the surface to be stained with the rock wool of aluminium foil.
In order to reduce friction, described vertical pipe support suspension bracket energy-conservation and saving noble metal material also comprises a pair of friction pair and is used for fixing the fixed plate of downslide moving part, described fixed plate is installed on the pipe support, described friction pair comprises downslide moving part and last slider, the downslide moving part is fixed on the fixed plate, last slider is fixed in the supported position of relative pipe support on the described vertical pipe support suspension bracket, the i.e. corresponding position of semicircle ring flat-plate, rectangular frame or pipe clamp.
Described upward slider is positioned at the securing means on the pipe clamp, as the below at bolt position, for increasing loaded area, accompanies backing plate between last slider and pipe clamp, and last slider, backing plate and pipe clamp three connect firmly.
Described slider all is a tetrafluoroethylene, and perhaps one is tetrafluoroethylene, and another is a corrosion resistant plate.
Compared with prior art, the beneficial effects of the utility model are conspicuous, and riser cradle disclosed in the utility model or standpipe suspension bracket have the characteristics of insulation, save the energy, this kind structure is compared with traditional structure can reduce a large amount of noble metal materials, therefore with low cost.Obviously, adopt this structure, the pipeline force-bearing situation improves greatly, and in addition, it is poor to have overcome thin walled tube rigidity, easily the problem of unstability; In addition, reduced the workload with pipeline welding, thereby simplified many operations, reduced engineering cost, shortened the duration, simultaneously, the insulating properties of thermal-protective coating and elastic cotton has effectively been avoided electrochemical corrosion.The utility model is not only applicable to the suspension and support of metal pipe line, equally is applicable to the suspension and support of plastics, glass or other nonmetal pipeline yet; The utility model is not only applicable to require the pipeline that is incubated, equally is applicable to the cold insulation pipeline yet.
Description of drawings
19 in the utility model accompanying drawing, wherein:
Fig. 1 is the schematic representation that existing vertical pipe support adopts the steel pipe clamping structure;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structural representation that existing vertical pipe suspension bracket adopts boatswain chair;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the structural representation of existing vertical pipe sliding support;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the structural representation that existing vertical pipe adopts horizontal support legs;
Fig. 8 is the structural representation of the existing horizontal journal stirrup of vertical pipe employing;
Fig. 9 is the structural representation of embodiment 1 riser cradle I of the present utility model and embodiment's 6 standpipe suspension brackets;
Figure 10 is the plan view of Fig. 9;
Figure 11 is the structural representation of embodiment 1 riser cradle II of the present utility model and embodiment's 6 standpipe suspension brackets;
Figure 12 is the structural representation of embodiment 2 standpipe bearing III of the present utility model;
Figure 13 is the structural representation of embodiment 2 riser cradle IV of the present utility model, embodiment 6 and embodiment's 7 standpipe suspension brackets;
Figure 14 is the structural representation of embodiment 3 riser cradle V of the present utility model and embodiment's 6 standpipe suspension brackets;
Figure 15 is embodiment 3 riser cradle VI of the present utility model and embodiment's 7 a structural representation;
Figure 16 is embodiment 4 riser cradle VII of the present utility model and embodiment's 7 a structural representation;
Figure 17 is the worm's eye view of Figure 16;
Figure 18 is embodiment 5 riser cradle VIII of the present utility model and embodiment's 7 a structural representation;
Figure 19 is the worm's eye view of Figure 18.
Among the figure, 1, journal stirrup 2, annulus backing plate 3, thermal-protective coating 4, pipe clamp 5, semicircle ring flat-plate 6, pipe support 7, fixed plate 8, downslide moving part 9, last slider 10, elastomeric flexible thermal-protective material 11, radiation protective layer 12, securing means 13 suspension rods or boatswain chair, 14, rectangular-shaped frame frame, 15, securing means 16, securing means 17, crossbeam 18, backing plate
Embodiment
Now in conjunction with the accompanying drawings the utility model is described further:
Embodiment 1: riser cradle I or II
Shown in Fig. 9～11, described riser cradle I (seeing Fig. 9,10) or II (seeing Figure 11) are by horizontal journal stirrup 1, thermal-protective coating 3, pipe clamp 4 constitutes with two semicircle ring flat-plate 5 (see figure 9)s of the vertical welding of pipe clamp 4 or with framework 14 (seeing Figure 11) and securing means 15 that pipe clamp 4 welds mutually.Described horizontal journal stirrup 1 can be a support plate, and described journal stirrup 1 is welded together with pipeline, and described thermal-protective coating 3 is a composite heat-insulating layer, and semicircle ring flat-plate 5 or framework 14 are located on the pipe support 6, directly constitute friction pair.In order to improve the bearing capacity of thermal-protective coating 3, can be journal stirrup 1 time near the pipeline annulus backing plate 2 coaxial of burn-oning with pipeline, this annulus backing plate 2 also can weld with pipeline simultaneously mutually, 2 on described annulus backing plate is on thermal-protective coating 3, described annulus backing plate 2 is made up of two or more segmentation annulus, if annulus backing plate 2 is formed to a plurality of segmentation annulus by two, each annulus backing plate and one or more journal stirrups are welded together.Journal stirrup 1 is welded together with pipeline, looking stressing conditions also can weld annulus backing plate 2 with pipeline mutually, the internal diameter of described semicircle ring flat-plate 5 is greater than outer diameter tube, in order to avoid formation heat bridge, for better heat insulation, can between the inboard of the inboard of semicircle ring flat-plate 5 or framework 14 and pipeline, add elastomeric flexible thermal-protective material 10.
In order to reduce the friction between above-mentioned standpipe bearing and the pipe support, on pipe support 6, be fixed with fixed plate 7, install downslide moving part 8 on the fixed plate 7, the below of corresponding with it semicircle ring flat-plate 5 times or framework 14 installs one and goes up slider 9, and last slider 9 constitutes a friction pair with downslide moving part 8.
In order to reduce the heat energy radiation loss, can be between thermal-protective coating 3 and the pipeline or between pipe clamp 4 and the thermal-protective coating 3, perhaps this two place adds radiation protective layer 11 simultaneously, and described radiation protective layer 11 can be ganoid aluminium foil or Copper Foil or other reflection material, also can spray the reflecting layer.
In order to improve energy-saving effect, make thermal-protective coating 3 stressed better, can install elastomeric flexible thermal-protective material 10 selectively or all additional at the position that thermal-protective coating 3 contacts with other, as rock wool.
If add radiation protective layer 11 and elastomeric flexible thermal-protective material 10 simultaneously, radiation protective layer 11 is added between the inside and outside radial end face of elastomeric flexible thermal-protective material 10 and thermal-protective coating 3, elastomeric flexible thermal-protective material 10 can also be opposite with the position of radiation protective layer 11, at this moment, can select for use the surface to be stained with the rock wool of aluminium foil.
Embodiment 2: riser cradle III or IV
As Figure 12 or shown in Figure 13, described another kind of standpipe bearing III (seeing Figure 12) or IV (seeing Figure 13) are that the span of the two ends of the two ends of pipe clamp 4 (seeing Figure 12) or rectangular frame 14 (seeing Figure 13) being pressed pipe support 6 on the basis of above-mentioned standpipe bearing I or II prolongs, and be required to satisfy the big occasion of pipe support 6 spans.At this moment, the direct seat in the two ends of pipe clamp 4 or rectangular frame 14 is on pipe support 6.In order to reduce the friction between described standpipe bearing and the pipe support, on pipe support 6, be fixed with fixed plate 7, install downslide moving part 8 on the fixed plate 7, the below at securing means 15 positions on the corresponding with it pipe clamp 4 installs one and goes up slider 9, in order to increase loaded area, add backing plate 18 between last slider 9 and pipe clamp 4, the three connects firmly and is integral, and last slider 9 constitutes a friction pair with downslide moving part 8.
Embodiment 3: riser cradle V or VI
As Figure 14 and shown in Figure 15, described standpipe bearing V (seeing Figure 14) or VI (seeing Figure 15) are on the basis of standpipe bearing II or IV, between rectangular frame 14 and thermal-protective coating 3, increase by two semicircle ring flat-plates 5, described two semicircle ring flat-plates 5 can be fixed with pipe clamp 4 or framework 14 or simultaneously the three is fixed together.
Embodiment 4: riser cradle VII
Shown in Figure 16～17, described another kind of support VII is on the basis of riser cradle IV (seeing Figure 13), in order to increase the loaded area of thermal-protective coating 3, between two long beams of rectangular frame 14, near pipeline, be distributed in the pipeline both sides, be adjacent to the long beam of thermal-protective coating 3, weld two crossbeams 17 again perpendicular to rectangular frame 14.In order to reduce heat-energy losses, be convenient to construction, at plug elastomeric flexible thermal-protective material 10 between rectangular frame 14 and the pipeline or between crossbeam 17 and the pipeline or between semicircle ring flat-plate 5 and the pipeline or between above-mentioned all and the pipeline.
Embodiment 5: riser cradle VIII
Shown in Figure 18～19, described another kind of riser cradle VIII is increasing by two semicircle ring flat-plates 5 between rectangular frame 14 and thermal-protective coating 3 on the basis of riser cradle VII, described two semicircle ring flat-plates 5 can be fixed with pipe clamp 4 or framework 14 or simultaneously the three is fixed together.
Embodiment 6: standpipe suspension bracket IX
As Fig. 9, Figure 11 and shown in Figure 14, described standpipe suspension bracket IX has increased by two suspension rods with holes or boatswain chair 13 on the basis of standpipe bearing I, II and V, and pipe clamp 4 is provided with the biserial securing means.Suspension rod or boatswain chair 13 are connected with the outside securing means 16 of pipe clamp 4, constitute the standpipe suspension bracket.
Embodiment 7: standpipe suspension bracket X
As Figure 13, Figure 15, Figure 16 and shown in Figure 180, described another kind of standpipe suspension bracket is to lean out perforate on two end floor beams of pipe clamp 4 at rectangular frame 14 on the basis of riser cradle IV, VI, VII and VIII, insert suspension rod or boatswain chair 13, with securing means 12 fixing formation suspension brackets.
Claims (10)
- One kind energy-conservation and save the vertical pipe support suspension bracket of noble metal material, comprise the securing means (15) on journal stirrup (1), pipe clamp (4) and the pipe clamp, it is characterized in that also comprising thermal-protective coating (3), two semicircle ring flat-plates (5) and/or rectangular frame (14);Described journal stirrup (1) and pipeline welding, journal stirrup (1) seat is on thermal-protective coating (3), and the thermal-protective coating seat is on two semicircle ring flat-plates (5) or rectangular frame (14);The internal diameter of semicircle ring flat-plate (5) is greater than outer diameter tube, and with pipe clamp (4) welding, semicircle ring flat-plate (5) seat is on pipe support (6); Perhaps rectangular frame (14) welds with pipe clamp (4), and rectangular frame (14) seat is on pipe support (6); Or pipe clamp two ends seat is on pipe support (6); Perhaps semicircle ring flat-plate (5) seat is on rectangular frame (14), and with pipe clamp (4) and rectangular frame (14) the two is affixed or pipe clamp (4), rectangular frame (14) and semicircle ring flat-plate (5) three are affixed, pipe clamp (4) or rectangular frame (14) are on pipe support (6);Described thermal-protective coating (3) is a compound insulating material.
- 2. according to claim 1 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that also comprising two suspension rods with holes or boatswain chair (13), the outside of the securing means of (4) (15) also has securing means (16) or securing means (12) is arranged on two end floor beams of rectangular frame (14) on the pipe clamp, and suspension rod or boatswain chair (13) cooperate connection with securing means (16) or (12).
- 3. according to claim 1 and 2 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that described rectangular frame (14) also comprise be welded between two long beams and perpendicular to two of long beam or two with upper beam (17), described crossbeam (17) is near pipeline, be distributed in the both sides of pipeline, be adjacent to thermal-protective coating (3).
- 4. according to claim 1 and 2 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that being fixed with the annulus backing plate (2) coaxial with pipeline near pipeline between journal stirrup (1) and the thermal-protective coating (3), described annulus backing plate (2) is affixed with journal stirrup (1).
- 5. according to claim 4 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that described annulus backing plate (2) is made up of two to two above segmentation annulus, each annulus backing plate (2) is fixedlyed connected with the one or more journal stirrups on it.
- 6. according to claim 5 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that between described thermal-protective coating (3) and the pipeline and/or thermal-protective coating (3) and pipe clamp (4) between add radiation protective layer (11).
- 7. according to claim 6 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that described thermal-protective coating (3) and the part, position that is in contact with it or all install elastomeric flexible thermal-protective material (10) additional.
- 8. according to claim 7 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that filling elastomeric flexible thermal-protective material (10) between described semicircle ring flat-plate (5) and/or rectangular frame (14) and the pipeline.
- 9. according to claim 8 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that also comprising a pair of friction pair, fixed plate (7) and/or backing plate (18), described fixed plate (7) is installed on the pipe support (6), described friction pair comprises downslide moving part (8) and last slider (9), downslide moving part (8) is fixed on the fixed plate (7), last slider (9) is fixed in the supported position of relative pipe support (6) on the described vertical pipe support suspension bracket, the i.e. corresponding position of semicircle ring flat-plate (5), rectangular frame (14) or pipe clamp (4).
- 10. according to claim 9 energy-conservation and save the vertical pipe support suspension bracket of noble metal material, it is characterized in that described upward slider (9) is positioned at securing means (15) below on the pipe clamp, between last slider and pipe clamp, accompany backing plate (18), and upward slider (9), backing plate (18) connect firmly with pipe clamp (4) three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117716U CN201043643Y (en) | 2007-04-19 | 2007-04-19 | Energy-saving and precious metal material saving vertical hanging support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117716U CN201043643Y (en) | 2007-04-19 | 2007-04-19 | Energy-saving and precious metal material saving vertical hanging support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201043643Y true CN201043643Y (en) | 2008-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200117716U Expired - Lifetime CN201043643Y (en) | 2007-04-19 | 2007-04-19 | Energy-saving and precious metal material saving vertical hanging support |
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| Country | Link |
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| CN (1) | CN201043643Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008128472A1 (en) * | 2007-04-19 | 2008-10-30 | Jiaxian Wang | Support and hanger of vertical pipe |
| CN104197099A (en) * | 2014-09-13 | 2014-12-10 | 中建三局集团有限公司 | Integral assembly support for medium pressure bearing vertical pipeline |
| CN107270271A (en) * | 2017-08-14 | 2017-10-20 | 哈尔滨哈锅锅炉工程技术有限公司 | A kind of fixing device for solving the expansion of boiler connecting pipe and being oriented to |
| CN108071898A (en) * | 2016-11-16 | 2018-05-25 | 江苏瑞凌新能源科技有限公司 | A kind of stent adiabatic apparatus |
-
2007
- 2007-04-19 CN CNU2007200117716U patent/CN201043643Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008128472A1 (en) * | 2007-04-19 | 2008-10-30 | Jiaxian Wang | Support and hanger of vertical pipe |
| CN104197099A (en) * | 2014-09-13 | 2014-12-10 | 中建三局集团有限公司 | Integral assembly support for medium pressure bearing vertical pipeline |
| CN104197099B (en) * | 2014-09-13 | 2016-01-20 | 中建三局集团有限公司 | Middle pressure-bearing vertical duct integration segmental timbering |
| CN108071898A (en) * | 2016-11-16 | 2018-05-25 | 江苏瑞凌新能源科技有限公司 | A kind of stent adiabatic apparatus |
| CN107270271A (en) * | 2017-08-14 | 2017-10-20 | 哈尔滨哈锅锅炉工程技术有限公司 | A kind of fixing device for solving the expansion of boiler connecting pipe and being oriented to |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070419 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |