CN2842150Y - Steam pipeline for heating and power plant - Google Patents
Steam pipeline for heating and power plant Download PDFInfo
- Publication number
- CN2842150Y CN2842150Y CN 200520088285 CN200520088285U CN2842150Y CN 2842150 Y CN2842150 Y CN 2842150Y CN 200520088285 CN200520088285 CN 200520088285 CN 200520088285 U CN200520088285 U CN 200520088285U CN 2842150 Y CN2842150 Y CN 2842150Y
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- steam line
- elbow
- waste pipe
- steel bushing
- steam
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Abstract
The utility model discloses a steam pipeline for a heating and power plant, which belongs to a fluid convey pipeline and comprises a heat preservation steam pipeline. The utility model is characterized in that different installation and protection components are added according to geographical environments passed by the steam pipeline, the utility model can reduce the construction difficulty of pipeline construction and can prolong the service life of the pipeline, and the utility model can be applied to steam conveying component elements under various environments.
Description
Technical field
The utility model relates to a kind of fluid-transporting tubing, especially a kind of be applicable to thermoelectricity plant's delivery of steam, lay thermoelectricity plant's steam line easily.
Background technique
Spread the heavy caliber steam line outside the thermoelectricity plant and draw the process of deployment of leading to the user from thermoelectricity plant, the geographical environment that delivering vapor will pass through is very complicated, and the level land is arranged, and the ridge stone walling is also arranged.Generally the excavation pipe alley on the level land, then wherein with steam pipeline laying; In the place that pipe alley can't be excavated in ridge stone walling, residential belt etc., then be the method that adopts the high-altitude to set up.But no matter all there is its deficiency in which kind of laying method.
The structure of thermoelectricity plant of the prior art steam line is mostly, and the centre is a steam line, and sublevel is a thermal insulation layer, is outer steel shell and anti-rot plastic pipe then.Even the thermal insulation layer outside of some steam line directly is a plastic tube.Like this, when with steam pipeline laying behind pipe alley, the stone rock ballast in the ditch is easy to cause breaking of pipeline outermost surface plastic protective layer, the outer steel shell of plastic protective layer the inside will be subjected to oxide etch.If thermal insulation layer has lost the protection of external protection and just has been easy to breakage, the effect of insulation will exhaust, and a large amount of heat energy are wasted thereupon.
And that the method that set up in the high-altitude exists especially is great in constructing amount, cost is high, long in time limit, not easy care, influence the people life environment, to traffic deficiency such as make troubles.And because of under the insolation that is exposed to the sun throughout the year, outermost plastic protective layer can produce be full of cracks, and the steel shell of exposing just is easy to be subjected to the corrosion of acid rain, has not only had a strong impact on heat insulation effect, and greatly reduces the working life of pipeline.
In addition, the insulation pipe elbow of heavy caliber steam line is all about the 1-5 ton, all be to adopt whole processing, whole shipment and integral installation, just after manufacturing shop machine shaping, lift on the automobile and transport to the job site by hoist, and then sling by hoist and to unload from automobile, lift again on the steam pipe line that needs the pipe laying elbow at last.Big because of insulation pipe elbow weight, shape is special, be filled with soft thermal insulation layer between steel shell and internal steam pipe road, so in its hoisting process, hang on the steel shell no matter will lift wirerope, still hang over the damage that all can cause the thermal insulation layer material on the internal steam pipe road and the dislocation between internal steam pipe road and the steel shell, to such an extent as to have influence on the thermal insulation property and the working life of pipeline.
Moreover, the device that steam line condensed water discharging is at present used, mostly be that waste pipe is connected in the joint, bottom of steam tube, waste pipe has little bending in the joint, be respectively arranged with thermal insulation layer and steel bushing outside steam tube and waste pipe, like this, when externally circumstance of temperature difference is bigger, waste pipe and steam tube joint not only can influence the proper functioning of steam tube, and repair very inconvenient owing to the reason of expanding with heat and contract with cold is easy to damage.
The model utility content
Technical assignment of the present utility model is to provide a kind of thermoelectricity plant steam line at above-mentioned deficiency of the prior art, and this steam line has characteristics such as easy construction, long service life.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of thermoelectricity plant steam line, comprise the insulation steam line, be characterized in: the underground construction section at the insulation steam line is provided with the thermal-insulating waterproof cover, the thermal-insulating waterproof cover is processed by pulverized fuel ash, be socketed in the outside of insulation steam line, ground construction section at the insulation steam line is coated with the uvioresistant waterproof roll, and be fixed on rock or the body of wall by U-shaped dunnage and supporting leg, the elbow part of insulation steam line is by the interior conduit elbow, thermal insulation layer and outer combination steel bushing elbow are formed, thermal insulation layer is arranged between outer combination steel bushing elbow and the interior conduit elbow, outer combination steel bushing elbow makes up the steel bushing elbow outward by two halves and forms ground split structure, outer combination steel bushing elbow fits together by seam welding is installed, thermal insulation layer is similarly the split structure, cementing in two halves respectively makes up outward on the inwall of steel bushing elbow, be provided with the groove that matches with interior conduit elbow shape in the middle of the thermal insulation layer, the condensate drain that is arranged on the insulation steam line comprises the internal steam pipe road, the ponding chamber, interior steel bushing, inner thermal insulating layer, waste pipe, waste pipe thermal insulation layer and waste pipe steel sleeve, the internal steam pipe road is arranged in the interior steel bushing, be provided with inner thermal insulating layer between internal steam pipe road and the interior steel bushing, waste pipe is connected with the ponding chamber that is arranged on bottom, internal steam pipe road, waste pipe is outside equipped with the waste pipe steel sleeve, be provided with the waste pipe thermal insulation layer between waste pipe and the waste pipe steel sleeve, interior steel bushing is outside equipped with outer steel sleeve, waste pipe passes from the outer steel sleeve side after being 90 ° of arc bendings along interior steel bushing periphery, is provided with external thermal insulation between interior steel bushing and the outer steel sleeve.
Bottom at the outer steel sleeve of described condensate drain is provided with the thermal insulating material service ports.
In described condensate drain, the waste pipe end that passes outer steel sleeve is provided with the aqueous vapor seperating vale.
A kind of thermoelectricity plant of the present utility model steam line is compared with prior art, has following outstanding beneficial effect:
(1) utilize the coagulation of pulverized fuel ash to process ground thermal-insulating waterproof cover with the effect of the suction moisture absorption, be arranged on the outside of insulation steam line, both solve the ponding problem in the pipe alley, also strengthened the thermal-insulating waterproof and the protective action of pipeline, played the effect in working life of prolongation steam line.In addition, because pulverized fuel ash is power plant's waste, the waterproof thermal-insulated shell that adopts pulverized fuel ash to make pipeline can also reduce the pollution of pulverized fuel ash to environment, the rational Application of accomplishing refuse.
(2) setting of U-shaped dunnage and supporting leg, make steam line through residential quarter or hummock the time, both can stably be laid on body of wall or the rock, can also horizontal slip on the U-shaped dunnage, not only simple in structure, easy construction, the expansion that also can not influence pipeline is flexible.
(3) the open-air laying part at the insulation steam line coats the uvioresistant waterproof roll, can reduce sunlight effectively and be exposed to the sun to the influence of steam line, has increased the working life of steam line.
(4) elbow of insulation steam line, thermal insulation layer and outer combination steel bushing elbow adopt the split structure, the thermal insulation layer material is arranged among the two and half outer combination steel bushing elbows, take any way lifting can not be damaged to the thermal insulation layer material, and avoided the dislocation between the internal steam pipe road and steel shell in whole processing, the whole shipment.
(5) in the condensate drain,, outside interior steel bushing, wrap external thermal insulation again, waste pipe and steam line joint are also wrapped in the external thermal insulation the radian increase of waste pipe and steam line joint.Like this, waste pipe and steam line joint are subjected to the influence of ambient temperature just very little, greatly reduce the waste pipe that causes because of expanding with heat and contract with cold and the damage of steam line joint.
Description of drawings
Accompanying drawing 2 is open-air cross-sectional configuration schematic representation of laying part in the utility model thermoelectricity plant steam line;
Accompanying drawing 3 is channel bend structural representation plan views in the utility model thermoelectricity plant steam line;
Accompanying drawing 4 is channel bend right elevations in the accompanying drawing 4;
Accompanying drawing 5 is structural representations of the another kind of mode of execution of channel bend in the utility model thermoelectricity plant steam line;
Accompanying drawing 6 is condensate drain structural representations in the utility model thermoelectricity plant steam line.
Mark in the accompanying drawing is represented respectively:
1, insulation steam line; 2, thermal-insulating waterproof cover; 3, U-shaped dunnage; 4, supporting leg; 5, installing technological hole; 6, body of wall; 7, adhesive; 8, uvioresistant waterproof roll; 9, interior conduit elbow; 10, thermal insulation layer; 11, make up the steel bushing elbow outward; 12, aqueous vapor seperating vale; 13, internal steam pipe road; 14, interior steel bushing; 15, inner thermal insulating layer; 16, waste pipe; 17, waste pipe thermal insulation layer; 18, waste pipe steel sleeve; 19, outer steel sleeve; 20, external thermal insulation; 21, thermal insulating material service ports; 22, ponding chamber.
Embodiment
Explain below with reference to Figure of description a kind of thermoelectricity plant of the present utility model steam line being done.
A kind of thermoelectricity plant of the present utility model steam line, its structure are to be made of insulation steam line 1, thermal-insulating waterproof cover 2, U-shaped dunnage 3, supporting leg 4, uvioresistant waterproof roll 8, elbow part and condensate drain.
As shown in Figure 1, thermal-insulating waterproof cover 2 is the semi-cylindrical shells that processed by pulverized fuel ash, is socketed in the outside of the underground construction section of insulation steam line 1 relatively behind the snapping.
As shown in Figure 2, be coated with uvioresistant waterproof roll 8 at the ground construction section that is incubated steam line 1, uvioresistant waterproof roll 8 is fixed on the insulation steam line 1 by the adhesive 7 that is coated on the insulation steam line 1.Insulation steam line 1 is fixed on body of wall 6 or the rock by U-shaped dunnage 3 and supporting leg 4.In the time of fixedly, earlier beat installing technological hole 5, then reinforced bar support leg 4 is inserted in the installing technological hole 5, and use cement casting in the place of steam line process (as body of wall 6), at last U-shaped dunnage 3 is welded on the supporting leg 4, and steam line is placed on the U-shaped dunnage 3 gets final product.
Adhesive 7 adopts the building waterproof coil special-purpose adhesive, and uvioresistant waterproof roll 8 can adopt made the roof waterproof coiled material that ultraviolet ray resistant is handled, and edge connector cements by heating and gets final product.
Shown in accompanying drawing 3,4, the elbow part of insulation steam line 1 is by interior conduit elbow 9, thermal insulation layer 10 with make up steel bushing elbow 11 outward and forms, and thermal insulation layer 10 is arranged on outer the combination between steel bushing elbow 11 and the interior conduit elbow 9.Outer combination steel bushing elbow 11 makes up the steel bushing elbow outward by two halves and forms the split structure, outer combination steel bushing elbow 11 is installed seam welding and is fitted together, thermal insulation layer 10 is similarly the split structure, cement in two halves respectively and make up outward on the inwall of steel bushing elbow, be provided with the groove that matches with interior conduit elbow 9 shapes in the middle of the thermal insulation layer 10.
As shown in Figure 5, the thermal insulation layer 10 of insulation steam line 1 elbow part and outer combination steel bushing elbow 11 can also preprocessing be the two halves that symmetry is divided equally, are two symmetrical parts from the vertical cutting of elbow upper orifice center line promptly.
As shown in Figure 5, condensate drain comprises internal steam pipe road 13, interior steel bushing 14, inner thermal insulating layer 15, waste pipe 16, waste pipe thermal insulation layer 17 and waste pipe steel sleeve 18, internal steam pipe road 13 is arranged in the interior steel bushing 14, be provided with inner thermal insulating layer 15 between internal steam pipe road 13 and the interior steel bushing 14, waste pipe 16 is connected with the ponding chamber 22 that is arranged on 13 bottoms, internal steam pipe road, waste pipe 16 is outside equipped with waste pipe steel sleeve 18, be provided with waste pipe thermal insulation layer 17 between waste pipe 16 and the waste pipe steel sleeve 18, interior steel bushing 14 is outside equipped with outer steel sleeve 19, waste pipe 16 passes from outer steel sleeve 19 sides after being 90 ° of arc bendings along interior steel bushing 14 peripheries, is provided with external thermal insulation 20 between interior steel bushing 14 and the outer steel sleeve 19.Be provided with thermal insulating material service ports 21 in the bottom of outer steel sleeve 19; The end that passes the waste pipe 16 of outer steel sleeve 19 is provided with aqueous vapor seperating vale 12.
A kind of thermoelectricity plant of the present utility model its processing and fabricating of steam line is very simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characteristics of specification, be the known technology of those skilled in the art.
Claims (3)
1, a kind of thermoelectricity plant steam line, comprise the insulation steam line, it is characterized in that being provided with the thermal-insulating waterproof cover at the underground construction section of insulation steam line, the thermal-insulating waterproof cover is processed by pulverized fuel ash, be socketed in the outside of insulation steam line, ground construction section at the insulation steam line is coated with the uvioresistant waterproof roll, and be fixed on rock or the body of wall by U-shaped dunnage and supporting leg, the elbow part of insulation steam line is by the interior conduit elbow, thermal insulation layer and outer combination steel bushing elbow are formed, thermal insulation layer is arranged between outer combination steel bushing elbow and the interior conduit elbow, outer combination steel bushing elbow makes up the steel bushing elbow outward by two halves and forms ground split structure, outer combination steel bushing elbow fits together by seam welding is installed, thermal insulation layer is similarly the split structure, cementing in two halves respectively makes up outward on the inwall of steel bushing elbow, be provided with the groove that matches with interior conduit elbow shape in the middle of the thermal insulation layer, the condensate drain that is arranged on the insulation steam line comprises the internal steam pipe road, the ponding chamber, interior steel bushing, inner thermal insulating layer, waste pipe, waste pipe thermal insulation layer and waste pipe steel sleeve, the internal steam pipe road is arranged in the interior steel bushing, be provided with inner thermal insulating layer between internal steam pipe road and the interior steel bushing, waste pipe is connected with the ponding chamber that is arranged on bottom, internal steam pipe road, waste pipe is outside equipped with the waste pipe steel sleeve, be provided with the waste pipe thermal insulation layer between waste pipe and the waste pipe steel sleeve, interior steel bushing is outside equipped with outer steel sleeve, waste pipe passes from the outer steel sleeve side after being 90 ° of arc bendings along interior steel bushing periphery, is provided with external thermal insulation between interior steel bushing and the outer steel sleeve.
2, a kind of thermoelectricity plant according to claim 1 steam line is characterized in that being provided with the thermal insulating material service ports in the bottom of the outer steel sleeve of described condensate drain.
3, a kind of thermoelectricity plant according to claim 1 steam line is characterized in that in described condensate drain the waste pipe end that passes outer steel sleeve is provided with the aqueous vapor seperating vale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088285 CN2842150Y (en) | 2005-10-24 | 2005-10-24 | Steam pipeline for heating and power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088285 CN2842150Y (en) | 2005-10-24 | 2005-10-24 | Steam pipeline for heating and power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842150Y true CN2842150Y (en) | 2006-11-29 |
Family
ID=37446032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088285 Expired - Lifetime CN2842150Y (en) | 2005-10-24 | 2005-10-24 | Steam pipeline for heating and power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842150Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330872A (en) * | 2011-07-27 | 2012-01-25 | 中国电力工程顾问集团西北电力设计院 | Anti-freezing method for buried pipeline |
| CN110067101A (en) * | 2019-04-19 | 2019-07-30 | 浙江蓝星印染有限公司 | A kind of steam waste heat utilizes system |
-
2005
- 2005-10-24 CN CN 200520088285 patent/CN2842150Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330872A (en) * | 2011-07-27 | 2012-01-25 | 中国电力工程顾问集团西北电力设计院 | Anti-freezing method for buried pipeline |
| CN110067101A (en) * | 2019-04-19 | 2019-07-30 | 浙江蓝星印染有限公司 | A kind of steam waste heat utilizes system |
| CN110067101B (en) * | 2019-04-19 | 2023-12-01 | 浙江蓝星印染有限公司 | Steam waste heat utilization system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061129 |
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| EXPY | Termination of patent right or utility model |