CN201166201Y - Steel belt enhancement large caliber low pressure water feeding and draining pipe - Google Patents
Steel belt enhancement large caliber low pressure water feeding and draining pipe Download PDFInfo
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- CN201166201Y CN201166201Y CNU2007200306309U CN200720030630U CN201166201Y CN 201166201 Y CN201166201 Y CN 201166201Y CN U2007200306309 U CNU2007200306309 U CN U2007200306309U CN 200720030630 U CN200720030630 U CN 200720030630U CN 201166201 Y CN201166201 Y CN 201166201Y
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- steel band
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- tubing
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Abstract
The utility model relates to a steel tape reinforced big-diameter low-pressure feeding and discharging pipe, which belongs to the pipe using fields such as municipality, industry, mineral and the like. The steel tape reinforced big-diameter low-pressure feeding and discharging pipe is mainly used in a water discharging system with higher water feeding and discharging water quantity and pressure demands and in a water feeding system with low pressure demands. The steel tape reinforced big-diameter low-pressure feeding and discharging pipe comprises an inner pipe (1), an inner adhesion layer (2), an inner reinforced layer (3) which is sandwiched between the inner adhesion layer (2) and the inner pipe (1). The steel tape reinforced big-diameter low-pressure feeding and discharging pipe is characterized in that a spiral projection layer is arranged outside the inner adhesion layer (2). An outer steel tape layer adopts a special-shaped steel tape, which greatly improves the circumferential rigidity of the pipe and keeps the feature of the steel pipe. The circumferential rigidity of the pipe can reach 10KN/m2 and the structure strength of the product is ensured through adopting a plurality of layers of compounds, and the steel tape is fixed to prevent the relative displacement among materials. The steel tape reinforced big-diameter low-pressure feeding and discharging pipe is shaped through coiling, the diameter of the pipe can reach over 1600 mm, the resin consumption can be reduced by 50%, and the cost is saved by 35%.
Description
Technical field
Steel band enhancing heavy caliber low pressure is given, waste pipe, belongs to municipal administration, industry, mining industry etc. and uses the pipeline field.Be specifically related to a kind of steel band and strengthen that heavy caliber low pressure is given, waste pipe, be mainly used in to, water displacement greatlyyer, the water supply system of the drainage system and the low pressure request of pressure requirement is arranged.
Background technique
Along with expanding economy, energy demand continues to increase, crude oil demand amount as one of main energy sources increases sharply, cause energy shortage, chain that causes thus should be that crude oil Related product price is constantly soaring, the plastic raw material price adds plastic industry development acceleration according to height not down, and the contradiction of plastics demand highlights more.At present, it all is real wall plastic tube and steel pipe basically that the band that China uses is pressed water-carriage system, is subjected to factor affecting such as pressure-bearing and easy construction, and caliber can not be accomplished very big.Real wall plastic tube is in light weight with it, easy construction is well received, but when caliber increases, when working pressure increases, the wall thickness that requires is very thick, very uneconomical on the energy, and be subjected to the influence of moulding process and equipment, wall thickness increases, the defective that exists on the tubing also can increase, and finally influences the performance of tubing.Steel pipe, because therefore the steel pipe corrosion-resistant greatly reduces its working life, annual its effective thickness constantly reduces, and causes its safety in utilization to reduce.Though adopted a lot of technology,, coating zinc-plated to handle and the plastic-blasting processing used in recent years etc., improved the decay resistance of steel pipe as steel tube surface.But because technical restriction, barrier propterty is also unsatisfactory.Therefore become very urgent for novel enhanced tubing demand, novel heavy caliber is given, waste pipe also begins to continue to bring out, there is aramid fiber to strengthen tubing, steel wire enhancing tubing etc., be subjected to the restriction of production technology, aramid fiber reinforcing material cost is too high, Economy is bad, and the steel wire enhancing is subjected to facility constraints, and caliber can not be accomplished very big.Existing industrial production heavy caliber hollow entwining tube such as carat pipe, polyvinyl chloride entwining tube, steel band enhanced polyethylene entwining tube etc., though bore can be satisfied the demand, but owing to fail to solve the bonding problem of material in its winding technology, be difficult to use in the pressure water-carriage system, had the water-carriage system of pressure to meet the demands of production and living.Mainly show following some: 1, steel pipe has superior stiffness and intensity, can satisfy construction requirement, existing seamless steel pipe technology is very ripe, can satisfy the requirement of pressurized water transmission, but corrosion resistance of steel is relatively poor, used process for treating surface can not well solve the binding ability between steel and the protective layer, and large-diameter steel pipe weight is too big, constructional difficulties; 2, real wall plastic tube increases rapidly along with caliber increases wall thickness, strengthen moulding difficulty and cost increase and be difficult to be used for the heavy caliber usage requirement, and the resin material creep resistance is poor, and long-term usability reduces; 3, aramid fiber reinforced plastic tubing is subjected to the restriction of production technology, and the aramid fiber cost is very high, though save the consumption of plastics, the cost of tubing is not still according to height not down; 4, existing hollow entwining tube interconnection technique mainly contains: a, physics seaming, and then use adhesive bonds, what bonding strength was difficult to guarantee pressure requires b, hot melt adhesive, utilize waste heat that plastic hot melt extrudes together with plastic bonding, because plastics are extruded the rear surface layer and are at first cooled off the formation compacted zone, can not finely merge between two compacted zones when two layers of plastic is bonding, bonding strength greatly reduces, and can not satisfy the pressure requirement; 5, steel wire strengthens the use that pipeline reduced raw material and reduces cost, and pipe performance gets a promotion, and is subjected to the influence of moulding process, and the diameter of tubing is restricted, and is difficult to satisfy bigbore usage requirement.
The model utility content
The technical problems to be solved in the utility model is: overcome the problem that prior art exists, design a kind of intensity height, steel band corrosion-resistant, that cost is low and strengthen that heavy caliber low pressure is given, waste pipe.
The technological scheme that its technical problem that will solve the utility model adopts is: this steel band enhancing heavy caliber low pressure is given, waste pipe, comprise internal layer tubing, internal layer adhesive layer, internal layer enhancement layer, the internal layer enhancement layer is clipped between internal layer adhesive layer and the internal layer tubing, it is characterized in that: the internal layer adhesive layer is provided with the helical protruding layer outward.
The helical protruding layer comprises steel band coating layer, outer steel belt layer, outer adhesive layer, outer tubing, and outer steel belt layer places outer adhesive layer inboard, and the steel band coating layer is coated on around the outer steel belt layer, and outer tubing is coated on the outer adhesive layer outside.
The internal layer enhancement layer adopts steel wire.
The internal layer enhancement layer adopts steel band.
The internal layer enhancement layer adopts Punching steel strip.
Outer steel belt layer adopts U-shaped, semicircle, V-arrangement, rectangular or trapezoidal.Effect is to make tubing have excellent hoop rigidity and intensity.
The steel band coating layer is to be coated with adhering resin or plastic layer around profiled strip.Both guaranteed the composite performance of steel band, and steel band can not corroded thereby again steel band is sealed.
The internal layer adhesive layer adopts modified polyolefine material, and inside and outside layer tubing adopts special-purpose high-density polyethylene material to make.
Outer pipe diameter is more than the 1600mm.
This tubing outermost surface and innermost layer adopt the special-purpose high-density polyethylene material of tubing, make tubing have excellent intensity, improve the tubing withstand voltage properties; The high performance resin layer gives tubing good adhesive property; The steel band coating layer adopts functional high molecule material, and steel band and resin firmly are combined with each other, and has both guaranteed the composite performance of steel band, thereby again steel band is sealed steel band can not corroded; The outer steel belt layer of abnormity makes tubing have excellent hoop rigidity and intensity, and outer steel belt layer improves the ability of the anti-positive negative pressure of tubing in the middle of outer adhesive layer inwall; The multi-layer resinous layer that steel band applies makes steel band and air isolated and steel band is fixed in the middle of the resin, and the while steel band has reduced the croop property of resin again; Twine hot melt combination compound, resin material tubing is combined together, solved the demand of moulding heavy caliber pipe equipment.
Compared with prior art, the utility model steel band strengthens the beneficial effect that heavy caliber low pressure is given, waste pipe had: 1, outer steel belt layer adopts profiled strip to improve the hoop rigidity of tubing greatly, the characteristic that has kept steel pipe, this tubing ring stiffness reaches 10KN/m
22, adopt MULTILAYER COMPOSITE to guarantee the structural strength of product, and fixed steel band and prevent relative displacement between the material; 3, through Wrapping formed, the diameter of tubing can reach more than the 1600mm; 4, compare with the tubing of same size, the resin use amount reduces 50%, and cost reduces more than 35%.
Description of drawings
Fig. 1 is that this steel band enhancing heavy caliber low pressure is given, waste pipe lateral cross section structural representation;
Fig. 2 is the profile schematic representation of Fig. 1;
Fig. 3 is that steel band enhancing heavy caliber low pressure is given, waste pipe longitudinal cross-section structural representation;
Fig. 4 is the local enlarged diagram of Fig. 3 I.
Fig. 1-the 4th, the utility model steel band enhancing heavy caliber low pressure is given, the most preferred embodiment of waste pipe.Wherein: 1 internal layer tubing, 2 internal layer adhesive layers, 3 steel wire of internal layer enhancement layers, 4 steel band coating layers, 5 outer steel belt layer 6 outer adhesive layer 7 outer tubing.
Embodiment
With reference to Fig. 1-4: steel band strengthens that heavy caliber low pressure is given, waste pipe, comprises internal layer tubing 1, and the outer internal layer adhesive layer 2 of internal layer tubing 1, the internal layer enhancement layer 3 in the internal layer adhesive layer 2 are provided with and protrude from the outer helical protruding layer of internal layer adhesive layer 2.The helical protruding layer comprises steel band coating layer 4, outer steel belt layer 5, outer adhesive layer 6, outer tubing 7, outer steel belt layer 5 places outer adhesive layer 6 inboards, steel band coating layer 4 is coated on around the outer steel belt layer 5, and outer tubing 7 is coated on outer adhesive layer 6 outsides.Internal layer enhancement layer 3 adopts Punching steel strip.Outer steel belt layer 5 adopts profiled strip.As U-shaped, semicircle, V-arrangement, rectangular or trapezoidal.But be not limited to above-mentioned shape.Be coated with adhering resin or plastic layer around the outer steel belt layer 5.The internal layer enhancement layer of making of Punching steel strip 3 is clipped between internal layer adhesive layer 2 and the internal layer tubing 1.Internal layer adhesive layer 2 adopts modified polyolefine material, and internal layer tubing 1, outer tubing 7 adopt the special-purpose high-density polyethylene material of tubing to make, and diameter is more than the 1600mm.
Internal layer enhancement layer 3 also can adopt steel wire or adopt steel band according to the design needs.
This tubing outermost surface 7 and innermost layer 1 adopt the special-purpose high-density polyethylene material of tubing, make tubing have excellent intensity; The high performance resin layer gives tubing good adhesive property; Steel band coating layer 4 adopts functional high molecule material, and steel band and resin firmly are combined with each other, and has both guaranteed the composite performance of steel band, thereby again steel band is sealed steel band can not corroded; Outer steel belt layer 5 makes tubing have excellent hoop rigidity and intensity, and outer steel belt layer 5 improves the ability of the anti-positive negative pressure of tubing in the middle of outer adhesive layer 6 inwalls; The multi-layer resinous layer that steel band applies makes steel band and air isolated and steel band is fixed in the middle of the resin, and the while steel band has reduced the croop property of resin again; Twine hot melt combination compound, resin material tubing is combined together, solved the demand of moulding heavy caliber pipe equipment.
Tubing at first with the oil removing of outer steel band process, rust cleaning, evenly is coated in adhering resin formation steel band coating layer 4 on the outer steel belt layer 5 through extruder when moulding; The outer steel belt layer 5 that is coated with steel band coating layer 4 is rolled into abnormal shape (abnormal shape can be U-shaped, semicircle, V-arrangement type, trapezoidal, rectangular etc.) through rolls; To be used for internal layer enhancement layer 3 that internal layer strengthens as steel wire, steel band or Punching steel strip surface treatment after, be coated between internal layer tubing 1 and the internal layer adhesive layer 2 through the double-layer coextrusion die head; With being coated with the internal layer tubing 1 and the internal layer adhesive layer 2 that are bonded as one through double-layer coextrusion of internal layer enhancement layer 3, be wound in tubulose through Wrapping formed device; It is compound with the internal layer adhesive layer 2 that becomes tubulose through wind to be rolled into special-shaped outer steel belt layer 5 through roll; Use the double-layer coextrusion die head to extrude outer adhesive layer 6 and outer tubing 7, the outer adhesive layer 6 that is bonded as one and outer tubing 7 are covered on the outer steel belt layer 5 that is wrapped on the outer adhesive layer 2, make that outer adhesive layer 6 and outer steel belt layer 5, internal layer adhesive layer 2 are compound to be one.
Claims (9)
1, steel band strengthens that heavy caliber low pressure is given, waste pipe, comprise internal layer tubing (1), internal layer adhesive layer (2), internal layer enhancement layer (3), internal layer enhancement layer (3) is clipped between internal layer adhesive layer (2) and the internal layer tubing (1), it is characterized in that: the outer helical protruding layer that is provided with of internal layer adhesive layer (2).
2, steel band according to claim 1 strengthens that heavy caliber low pressure is given, waste pipe, it is characterized in that: the helical protruding layer comprises steel band coating layer (4), outer steel belt layer (5), outer adhesive layer (6), outer tubing (7), outer steel belt layer (5) places outer adhesive layer (6) inboard, steel band coating layer (4) is coated on outer steel belt layer (5) on every side, and outer tubing (7) is coated on outer adhesive layer (6) outside.
3, steel band according to claim 1 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: internal layer enhancement layer (3) adopts steel wire.
4, steel band according to claim 1 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: internal layer enhancement layer (3) adopts steel band.
5, steel band according to claim 4 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: internal layer enhancement layer (3) adopts Punching steel strip.
6, steel band according to claim 2 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: outer steel belt layer (5) adopts U-shaped, semicircle, V-arrangement, rectangular or trapezoidal.
7, steel band according to claim 6 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: steel band coating layer (4) is to be coated with adhering resin or plastic layer around outer steel belt layer (5).
8, steel band according to claim 1 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: internal layer adhesive layer (2) adopts modified polyolefine material, and inside and outside layer tubing (1), (7) adopt the special-purpose high-density polyethylene material of tubing to make.
9, steel band according to claim 1 strengthens that heavy caliber low pressure is given, waste pipe, and it is characterized in that: outer tubing (7) diameter is more than the 1600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200306309U CN201166201Y (en) | 2007-11-08 | 2007-11-08 | Steel belt enhancement large caliber low pressure water feeding and draining pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200306309U CN201166201Y (en) | 2007-11-08 | 2007-11-08 | Steel belt enhancement large caliber low pressure water feeding and draining pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166201Y true CN201166201Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200306309U Expired - Fee Related CN201166201Y (en) | 2007-11-08 | 2007-11-08 | Steel belt enhancement large caliber low pressure water feeding and draining pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166201Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644807A (en) * | 2012-04-27 | 2012-08-22 | 华创天元实业发展有限责任公司 | Middle-and-low pressure delivery seamless helical corrugated composite pipe and forming method thereof |
| CN105805435A (en) * | 2016-05-30 | 2016-07-27 | 湖北飞歌科技有限公司 | High-density polyethylene (HDPE)-reinforced winding corrugated pipe |
| CN107035922A (en) * | 2017-05-02 | 2017-08-11 | 安徽国登管业科技有限公司 | A kind of modified steel strip reinforced bellows |
| CN112944055A (en) * | 2021-03-11 | 2021-06-11 | 四川泰鑫实业发展有限责任公司 | Large-diameter composite drainage pipeline |
-
2007
- 2007-11-08 CN CNU2007200306309U patent/CN201166201Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644807A (en) * | 2012-04-27 | 2012-08-22 | 华创天元实业发展有限责任公司 | Middle-and-low pressure delivery seamless helical corrugated composite pipe and forming method thereof |
| CN102644807B (en) * | 2012-04-27 | 2013-12-04 | 华创天元实业发展有限责任公司 | Middle-and-low pressure delivery seamless helical corrugated composite pipe and forming method thereof |
| CN105805435A (en) * | 2016-05-30 | 2016-07-27 | 湖北飞歌科技有限公司 | High-density polyethylene (HDPE)-reinforced winding corrugated pipe |
| CN107035922A (en) * | 2017-05-02 | 2017-08-11 | 安徽国登管业科技有限公司 | A kind of modified steel strip reinforced bellows |
| CN112944055A (en) * | 2021-03-11 | 2021-06-11 | 四川泰鑫实业发展有限责任公司 | Large-diameter composite drainage pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20161108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |