CN102537529A - Waterproof construction method characterized by heat pipeline sleeved in steel sleeve pre-buried in external wall and waterproof system structure using for same - Google Patents
Waterproof construction method characterized by heat pipeline sleeved in steel sleeve pre-buried in external wall and waterproof system structure using for same Download PDFInfo
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- CN102537529A CN102537529A CN2012100012372A CN201210001237A CN102537529A CN 102537529 A CN102537529 A CN 102537529A CN 2012100012372 A CN2012100012372 A CN 2012100012372A CN 201210001237 A CN201210001237 A CN 201210001237A CN 102537529 A CN102537529 A CN 102537529A
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Abstract
The invention provides a waterproof construction method characterized by a heat pipeline sleeved in a steel sleeve pre-buried in an external wall and a waterproof system structure. The waterproof construction method includes steps as follows: the steel sleeve is pre-buried in the wall; a heat insulation pipeline is sleeved in the steel sleeve and fixed; the clearance between the steel sleeve and the heat insulation pipeline is filled with a functional material; the functional material at least includes a set of water swellable rubber strip layers; baffles are arranged on the outer sides at both ends of the steel sleeve; the outer sides of the baffles are waterproof, and raiser blocks used for supporting are arranged and tightly clung to the baffles; a waterproof coiled material is laid in an intersection area of the external wall body and the heat insulation pipeline, and wrinkles are formed at the corner of the waterproof coiled material, so that the waterproof coiled material and the outer wall of a direct-buried heat insulation pipeline can be combined and wound tightly; the waterproof coiled material is externally provided with a protection layer; a local reinforcement protection facility is arranged on the outer side at the wrinkle part at the corner of the waterproof coiled material; and the backfilling is performed. The structure is an integral system structure established upon the method. The construction method is simple and short in period, and lowers the investment; the daily maintenance is convenient, the waterproof effect is excellent, the service life is long, and the operation management cost is low; and further, the requirement for the operation of a heat pipeline network can be satisfied.
Description
Technical field
The present invention relates to a kind ofly has flexible heat distribution pipeline to wear exterior wall pre-buried steel sleeve pipe waterproof construction method and is used for the waterproofing system structure of this method.
Background technique
At present, along with the extensive development of China's urban construction and central heat supply cause, efficient, energy-conservation heat distribution pipe network construction scale enlarges day by day.Heat distribution pipeline owing to temperature variation, causes and expands with heat and contract with cold when operation, produces displacement.When heat distribution pipeline is worn equipment raise chamber and external wall like this, adopt flexible water pre-buried steel sleeve pipe to handle more, have stretchability and maintenance requirement to satisfy heat distribution pipeline.
Conventional pre-buried steel sleeve pipe waterproofing process has standard collective drawings (GB, provincial standard), and this type soft waterproof casing is except outside wing ring, inner sealing ring flat-plate, and upstream face is all established flange plate (there is approved product in manufacturer).The waterproofing process that is applied to heat distribution pipeline pre-buried steel sleeve pipe all adopts the flanged joint mode to do water-proofing treating, and this method construction cost is high, the "one off" production cycle is long, and site operation is complicated, has the infiltration phenomenon.
Summary of the invention
The purpose of this invention is to provide a kind of heat distribution pipeline and wear the waterproof construction method of exterior wall pre-buried steel sleeve pipe, this method can overcome the defective of existing technology, and method is simple and easy, the cycle is short, and operational and administrative expenses is low.
For realizing above-mentioned purpose, originally take following design proposal:
A kind of heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, and its method step is following:
A) Steel Sleeve of pre-buried corresponding model in body of wall, the both sides of this Steel Sleeve are established wing ring respectively one, and one group of water stop ring is established in the intermediate portion;
B) the heating power thermal insulation pipe is pierced into pre-buried steel sleeve pipe fixed position after, in Steel Sleeve and between the heating power thermal insulation pipe, fill up functional material; This functional material includes one group of hydro-expansive rubber bar layer at least;
C) after ring baffle is established in the outside of Steel Sleeve two ends wing ring, do outer water-proofing treating:
C-1) baffle plate of being close to the wall outer side place is at least done supporting and is used cushion block;
C-2) at the juncture area section laying water-proof coiled material of external wall body and heating power thermal insulation pipe, waterproof roll is done one group of fold around the corner, and waterproof roll and direct-burried heating power insulation pipe outer wall are cemented;
C-3) waterproof roll is done protective layer outward;
C-4) the local protection facility of strengthening is done in the outside, turning waterproof roll fold position;
D) backfill.
Said heat distribution pipeline is worn the step c-2 of the waterproof construction method of exterior wall pre-buried steel sleeve pipe) in, waterproof roll and direct-burried heating power insulation pipe outer wall are made of cloth and are tightly wrapped processing.
Leave the gap section between described Steel Sleeve and the heating power thermal insulation pipe, in both sides, in this gap section, fill up functional material by the baffle plate shutoff that is located at the Steel Sleeve two ends, this functional material includes one group of hydro-expansive rubber bar layer at least.The functional material that in the section of gap, fills up also includes at least a material layer in synthetic high polymer sealed material layer and the pitch flax silk mixed material layer, this pitch flax silk mixed material layer be by the pitch flax silk fill out sternly, asbestos cement twists with the fingers real a kind of mixed material layer.
Wear the step c-1 of the waterproof construction method of exterior wall pre-buried steel sleeve pipe at said heat distribution pipeline) in, said supporting is adopted polyethylene bulk or extruded polystyrene bulk with cushion block; At step c-3) in, said protective layer is the polyvinyl plastics sheet layer; At step c-4) in, said local reinforcement protection facility is polyethylene board or extruded polystyrene sheet material.
Another object of the present invention provides a kind of waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe that is used for, and it has changed the prior art constructions form, and using effect is better.
For realizing above-mentioned purpose, originally take following design proposal:
A kind ofly be used for the waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, comprise be embedded in outer within the walls and both sides have the heating power thermal insulation pipe that wing ring, centre are established the Steel Sleeve of one group of water stop ring and pierced into the pre-buried steel sleeve pipe; The outside of wing ring is provided with ring baffle at the Steel Sleeve two ends; Leave the gap section between described Steel Sleeve and the heating power thermal insulation pipe, in both sides, in this gap section, fill up functional material by the baffle plate shutoff that is located at the Steel Sleeve two ends, this functional material includes one group of hydro-expansive rubber bar layer at least;
At least the outside of ring baffle is provided with supporting and uses cushion block at the wall outer side place;
Juncture area section at external wall body and heating power thermal insulation pipe is equipped with waterproof roll, and waterproof roll is done one group of fold around the corner, and waterproof roll and direct-burried heating power insulation pipe outer wall are cemented;
Layer protective layer is arranged outside waterproof roll;
Be positioned at waterproof roll fold position, turning outer felt the local protecting sheet of strengthening is tightly arranged.
In the described waterproofing system structure, in the corner of the juncture area of external wall body and heating power thermal insulation pipe, this waterproof roll has been done one group of fold; The fill block that said seal is used adopts polyethylene bulk or extruded polystyrene bulk; Said protective layer is the polyvinyl plastics sheet layer; Said local reinforcement protection facility is a polyethylene board extruded polystyrene sheet material.
In the said waterproofing system structure, it is polyethylene board extruded polystyrene sheet material that protecting sheet is strengthened in the part that tightly wraps; The functional material that in the section of gap, fills up also includes the material layer of one or both combinations in synthetic high polymer sealed material layer and the pitch flax silk mixed material layer.
Advantage of the present invention is:
1, does fold around the corner through waterproof roll, keep waterproof roll lax, guarantee that heat distribution pipeline can stretch and the convenient for maintaining replace tubes.Construction is simple, the cycle is short, engineering cost reduces good water-proof effect.
2, the good water-proof effect of waterproofing system structure, long service life can satisfy heat distribution pipe network operation requirement.
Description of drawings
Fig. 1 wears the waterproofing system structural representation of the waterproof construction method of exterior wall pre-buried steel sleeve pipe (direction of arrow of figure is upstream face) for the present invention is used for heat distribution pipeline.
Fig. 2 is local A structure for amplifying schematic representation (direction of arrow among the figure is upstream face) among Fig. 1.
Below in conjunction with accompanying drawing and specific embodiment the present invention is explained further details.
Embodiment
Main inventive point of the present invention is the waterproof construction method that provides a kind of heat distribution pipeline to wear exterior wall pre-buried steel sleeve pipe of innovation, and the concrete steps of this method are following:
A) referring to Fig. 1, by the Steel Sleeve 1 of the pre-buried different model of different engine requests, wherein, wing ring 101 is established in the Steel Sleeve both sides, and water stop ring 102 (get final product together, many persons do not limit) is established in the intermediate portion, and pre-buried Steel Sleeve can be tailor-made by producer's processing;
B) heating power thermal insulation pipe 2 is pierced into pre-buried steel sleeve pipe 1; Leave the gap section between Steel Sleeve and the heating power thermal insulation pipe; In this gap section; Fill up functional material, this functional material includes one group of hydro-expansive rubber bar layer 8 at least, also includes at least a material layer in synthetic high polymer sealed material layer 9 and the pitch flax silk mixed material layer 10.As adopt hydro-expansive rubber bar layer, synthetic high polymer sealed material layer and pitch flax silk mixed material layer (being a preferred embodiment) simultaneously referring to shown in Figure 2; Then should: the center region section that is positioned at water stop ring 102 belows is provided with pitch flax silk mixed material layer 10, outwards sets gradually hydro-expansive rubber bar layer 8, synthetic high polymer sealed material layer 9 by the both sides of pitch flax silk mixed material layer;
C) establish ring baffle 3 in the outside of Steel Sleeve 1 two ends wing ring 101, the normal operation needs of heating power thermal insulation pipe 2 should be satisfied in the size of baffle plate and set position.Do outer water-proofing treating then:
C-1) baffle plate 3 of being close to wall outer side place (being upstream face) is at least done supporting with cushion block 4, and this supporting can be adopted polyethylene bulk or extruded polystyrene bulk with cushion block;
C-2) lay flexible waterproof sheet 5 in the juncture area section of external wall body and heating power thermal insulation pipe; Another innovative point of the present invention is; Around the corner, waterproof roll is processed fold 501, and the position that waterproof roll and direct-burried heating power insulation pipe outer wall are in contact with one another is cemented;
C-3) outside waterproof roll, do protective layer 6, this protective layer can adopt the polyvinyl plastics sheet material;
C-4) exterior lateral area at turning waterproof roll fold position 501 is done the local protection facility 7 of strengthening, and this protection facility can adopt polyethylene board or extruded polystyrene sheet material, requires to tightly wrap;
D) space in the wall of operating area is tamped in backfill, note the protection of above-mentioned watertightness barrier and protection facility thereof.
Step c-2 at said waterproof construction method) in,, can waterproof roll be done one group of fold (being advisable in three～five roads) around the corner for reaching better engineering effort, lax to keep waterproof roll; Waterproof roll and direct-burried heating power insulation pipe outer wall are made of glass fibre cloth and are tightly wrapped processing.
Described pitch flax silk mixed material layer be by the pitch flax silk fill out sternly, asbestos cement twists with the fingers real a kind of mixed material layer.
Below set forth the present invention and be used for the waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it has changed the prior art constructions form, and using effect is better.
Consult shown in Figure 1; The present invention is used for heat distribution pipeline, and to wear the basic components of waterproofing system structure of the waterproof construction method of exterior wall pre-buried steel sleeve pipe be Steel Sleeve 1 and the heating power thermal insulation pipe 2 that pierces into the pre-buried steel sleeve pipe, described Steel Sleeve 1 be embedded in outer within the walls and both sides have wing ring 101, one group of water stop ring 102 is established in the centre.Improvement of the present invention is: the outside of wing ring 101 is provided with ring baffle 3 at the Steel Sleeve two ends; At least be provided with supporting again with cushion block 4 in the outside of the ring baffle 3 of wall outer side; Juncture area section at external wall body and heating power thermal insulation pipe is equipped with waterproof roll 5, and the waterproof roll that is positioned at corner is provided with fold 501; Be covered with a protective layer 6 in the outside of waterproof roll 5; And tightly wrapped the local protecting sheet 7 of strengthening in the outside at fold 501 positions of waterproof roll 5.
Leave the gap section between described Steel Sleeve 1 and the heating power thermal insulation pipe 2; By the ring baffle that is located at the Steel Sleeve two ends 3 shutoff in both sides; In this gap section, fill up functional material; This functional material includes one group of hydro-expansive rubber bar layer at least, also includes the material layer of one or both combinations in synthetic high polymer sealed material layer and the pitch flax silk mixed material layer.
Fig. 2 shows the structure of the present invention's one preferred embodiment: be to adopt hydro-expansive rubber bar layer 8, synthetic high polymer sealed material layer 9 and pitch flax silk mixed material layer 10 simultaneously; Pitch flax silk mixed material layer 10 is arranged on the center region section of water stop ring below, outwards sets gradually hydro-expansive rubber bar layer 8, synthetic high polymer sealed material layer 9 by the both sides of pitch flax silk mixed material layer 10.
Below be two concrete embodiments.
Embodiment one:
Like Fig. 1, shown in Figure 2, preset meter is in certain riverside district heat supply network project using.The big caliber heating power of direct-burried DN1000 trunk line is located in the basin, Song Hua River, and level of ground water is high, and under ground piping equipment valve chamber has waterproof requirement, the waterproof construction method concrete steps of directly buried heat distribution pipeline road way through walls:
1. processing factory customization pre-buried steel sleeve pipe DN1330X12, process simultaneously annular sealing flange-100X10 ,-100X10 wing ring, the length of Steel Sleeve 1 is processed according to equipment valve chamber side wall thicknesses B;
2. the Finished Steel sleeve pipe is embedded in reinforced concrete indigenous equipment valve chamber side wall fixed position;
3. direct-burried heating power insulation pipe 2 passes Steel Sleeve 1 and installing and locating;
4. middle part, slit 1/3 place's pitch flax silk is filled out sternly between heating power insulation pipe 2 and the Steel Sleeve 1, twists with the fingers in fact with asbestos cement again, and the flax silk both sides with the filling of hydro-expansive rubber bar closely.Gather sulphur sealing compound with the two components of synthetic high polymer sealing material and seal 5 shutoff of outside welding baffle plate at 1/3 place, valve chamber external wall both sides;
5. heating power insulation pipe and valve chamber side wall outer corner place water-proofing treating:
The protection of 5mm polyvinyl plastics sheet material is done in
waterproof roll outside; The lax waterproof place at the turning; Other does the thick extruded polystyrene board of 80mm and tightly wraps, and guarantees the local waterproofing protection of strengthening;
groove is noted the protection of watertightness barrier and protection facility thereof by the designing requirement backfill.
Embodiment two:
The big caliber of heating power trunk line direct-burried DN1000, heat distribution pipeline way waterproof construction method through walls step is instance one roughly the same, and difference is: in heating power insulation pipe and the valve chamber side wall outer corner place water-proofing treating:
valve chamber exterior wall pre-buried steel sleeve pipe place; The stickup extrusion molding gathers the plate material and does cushion block; The external wall waterproof is made three～five road folds in the 200mm scope around the corner along cushion block; Keep waterproof roll lax, be behind the waterproof 200mm waterproof roll and direct-burried heating power insulation pipe outer wall along the heating power insulation pipe and cement and tightly wrap processing with glass fibre cloth;
The protection of 5mm polyethylene sheets is done in
waterproof roll outside; The lax waterproof place at the turning; Other does the 20mm polyethylene board and tightly wraps, and guarantees the local waterproofing protection of strengthening;
Above-mentioned each embodiment can not depart from the scope of the present invention down in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be regarded as exemplary, but not in order to limit the protection domain of the application's patent.
Heat distribution pipeline of the present invention is worn the external wall waterproof method of construction, has solved that routine has that flexible pipeline mounting flange waterproof construction difficulty is big, cost is high, the cycle is long and problem such as infiltration.Adopt this construction process method of construction simple, the cycle is short, has reduced investment; Running repairs is convenient, good water-proof effect, and long service life, operational and administrative expenses is low; Satisfy heat distribution pipe network operation requirement.
Claims (10)
1. a heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that method step is following:
A) Steel Sleeve of pre-buried corresponding model in body of wall, the both sides of this Steel Sleeve are established wing ring respectively one, and one group of water stop ring is established in the intermediate portion;
B) the heating power thermal insulation pipe is pierced into pre-buried steel sleeve pipe fixed position after, in Steel Sleeve and between the heating power thermal insulation pipe, fill up functional material; This functional material includes one group of hydro-expansive rubber bar layer at least;
C) after ring baffle is established in the outside of Steel Sleeve two ends wing ring, do outer water-proofing treating:
C-1) baffle plate of being close to the wall outer side place is at least done supporting and is used cushion block;
C-2) at the juncture area section laying water-proof coiled material of external wall body and heating power thermal insulation pipe, waterproof roll is done one group of fold around the corner, and waterproof roll and direct-burried heating power insulation pipe outer wall outer wall are cemented and tightly wrap;
C-3) waterproof roll is done protective layer outward;
C-4) the local protection facility of strengthening is done in the outside, turning waterproof roll fold position;
D) backfill.
2. heat distribution pipeline according to claim 1 is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: said step c-2), waterproof roll and direct-burried heating power insulation pipe outer wall tightly wrap with glass fibre cloth.
3. heat distribution pipeline according to claim 1 is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe; It is characterized in that: leave the gap section between described Steel Sleeve and the heating power thermal insulation pipe; By the baffle plate shutoff that is located at the Steel Sleeve two ends in both sides; In this gap section, fill up functional material, this functional material includes one group of hydro-expansive rubber bar layer at least.
4. heat distribution pipeline according to claim 3 is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: the functional material that in the section of gap, fills up also includes at least a material layer in synthetic high polymer sealed material layer and the pitch flax silk mixed material layer.
5. heat distribution pipeline according to claim 4 is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: described pitch flax silk mixed material layer be by the pitch flax silk fill out sternly, asbestos cement twists with the fingers real a kind of mixed material layer.
6. wear the waterproof construction method of exterior wall pre-buried steel sleeve pipe according to claim 3 or 4 described heat distribution pipelines, it is characterized in that: described functional material adopts hydro-expansive rubber bar layer, synthetic high polymer sealed material layer and pitch flax silk mixed material layer simultaneously; The center region section that is positioned at water stop ring below is provided with pitch flax silk mixed material layer, outwards sets gradually hydro-expansive rubber bar layer, synthetic high polymer sealed material layer by the both sides of pitch flax silk mixed material layer.
7. heat distribution pipeline according to claim 1 is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: at step c-1) in, said supporting is adopted polyethylene bulk or extruded polystyrene bulk with cushion block; At step c-3) in, said protective layer is the polyvinyl plastics sheet layer; At step c-4) in, said local reinforcement protection facility is polyethylene board or extruded polystyrene sheet material.
8. one kind is used for the waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, comprise be embedded in outer within the walls and both sides have the heating power thermal insulation pipe that wing ring, centre are established the Steel Sleeve of one group of water stop ring and pierced into the pre-buried steel sleeve pipe; It is characterized in that:
Wing ring at the Steel Sleeve two ends is steel annular built-in board, and the built-in board inboard is provided with anchoring and uses reinforcing bar; The outside of wing ring is provided with ring baffle; Leave the gap section between described Steel Sleeve and the heating power thermal insulation pipe, in both sides, in this gap section, fill up functional material by the baffle plate shutoff that is located at the Steel Sleeve two ends, this functional material includes one group of hydro-expansive rubber bar layer at least;
At least the outside of ring baffle is provided with supporting and uses cushion block at the wall outer side place;
Juncture area section at external wall body and heating power thermal insulation pipe is equipped with waterproof roll, and around the corner, this waterproof roll has been done one group of fold;
Layer protective layer is arranged outside waterproof roll;
Be positioned at waterproof roll fold position, turning outer felt the local protecting sheet of strengthening is tightly arranged.
9. according to claim 8ly be used for the waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: in the corner of the juncture area of external wall body and heating power thermal insulation pipe, this waterproof roll has been done one group of fold; Said supporting is adopted polyethylene bulk or extruded polystyrene bulk with cushion block; Said protective layer is the polyvinyl plastics sheet layer; Said local reinforcement protection facility is polyethylene board or extruded polystyrene sheet material.
10. according to claim 8ly be used for the waterproofing system structure that heat distribution pipeline is worn the waterproof construction method of exterior wall pre-buried steel sleeve pipe, it is characterized in that: it is polyethylene board or extruded polystyrene sheet material that protecting sheet is strengthened in the part that is tightly wrapped; The functional material that in the section of gap, fills up includes the material layer of one or both combinations in synthetic high polymer sealed material layer and the pitch flax silk mixed material layer.
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| CN115095721A (en) * | 2022-06-24 | 2022-09-23 | 中国二十二冶集团有限公司 | Anti-seepage construction method for single pipe of building underground outer wall outlet wall |
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