CN206958500U - A kind of fiberglass steel plate complex heat-preservation feed pipe - Google Patents

Abstract

A kind of fiberglass steel plate complex heat-preservation feed pipe is the utility model is related to, including inner tube, the first intervalve, the second intervalve and the outer tube being arranged successively from inside to outside；Adhering resin layer is respectively provided between inner tube and the first intervalve, between the first intervalve and the second intervalve and between the second intervalve and outer tube；Inner tube is glass reinforced plastic pipe, and the first intervalve and the second intervalve are steel plate pipe.Inner tube is glass reinforced plastic pipe in the utility model, inner wall smooth, contacts fluid, water resistance is small, conveying capacity is strong, intensity is high, and resistance to corrosion is strong, is not easy to generate growth ring, water quality and water passing capacity can be ensured well, while reduce water in the energy needed for course of conveying, and service life is grown；By setting adhering resin layer respectively between outer tube, intervalve and inner tube, outer tube, intervalve and inner tube is formed an entirety, be connected firmly, bulk strength is high, and plays certain insulation effect together with four layers of pipeline.

Description

A kind of fiberglass steel plate complex heat-preservation feed pipe

Technical field

Water work technical field is the utility model is related to, more particularly to a kind of fiberglass steel plate complex heat-preservation feed pipe.

Background technology

Generally use cast iron pipe in public supply mains at present, cast iron pipe in operation all the year round in use, seriously corroded, because Corrosion can gradually form irregular ring along inner-walls of duct, be referred to as " growth ring ", it is feedwater piping inwall by precipitating The mixture that thing, rust, glutinous dirt and biomembrane be combined with each other.Growth ring forms initial stage than more loose, is easily rushed by current Walk, it is in yellow that can make the water that user releases；The partial product not washed away by current, which is left, to be come, and is gradually hardened, and turns into bacterial reproduction life Long place.In pipeline because of corrosion and caused by growth ring not only directly affect water supply quality, cause supply water secondary pollution, and And the cross-section of river is reduced, water passing capacity reduces, and service life shortens, and in some low temp areas, to prevent from freezing, pipeline is normal It need to be constructed more difficult compared with great burying.Glass reinforced plastic pipe has very strong resistance to corrosion, is hardly produced growth ring, service life ratio Currently used cast iron pipe range is a lot；Insulating tube can effectively reduce buried depth, but merely use glass reinforced plastic pipe or insulation Pipe, because its cost is higher, influences the cost of whole engineering, glass reinforced plastic pipe can not be widely promoted the use of with insulating tube.

The content of the invention

The purpose of this utility model is to overcome problems of the prior art, there is provided a kind of resistance to corrosion it is strong and into This relatively low fiberglass steel plate complex heat-preservation feed pipe.

In order to achieve the above object, the utility model adopts the following technical scheme that：

Including inner tube, the first intervalve, the second intervalve and the outer tube being arranged successively from inside to outside；Inner tube and Bonding tree is respectively provided between one intervalve, between the first intervalve and the second intervalve and between the second intervalve and outer tube Lipid layer；Inner tube is glass reinforced plastic pipe, and the first intervalve and the second intervalve are steel plate pipe.

Further, the thickness of the first intervalve is less than the thickness of inner tube.

Further, the tube wall of the second intervalve is formed by several hollow D shape steel plate element solders.

Further, super glass wool is filled with D shaped steel Slab element.

Further, outer tube is plastic tube.

Further, the material of outer tube is PVC-U.

Compared with prior art, the utility model has technique effect beneficial below：

The utility model is by setting four layers of composite water pipe, and wherein inner tube is glass reinforced plastic pipe, glass reinforced plastic pipe inwall It is smooth, fluid is contacted, water resistance is small, conveying capacity is strong, and non-scaling, non-corrosive, intensity are high, and resistance to corrosion is strong, is not easy generation life Long ring, water quality and water passing capacity can be ensured well, while reduce water in the energy needed for course of conveying, and service life It is long；First intervalve, the second intervalve and outer tube bear ambient pressure, protect inner tube；By outer tube, intervalve and Adhering resin layer is set respectively between inner tube, outer tube, intervalve and inner tube is formed an entirety, is connected firmly, it is whole Body intensity is high, and plays certain insulation effect together with four layers of pipeline.Compared with currently used cast iron pipe, the utility model Inner tube antiseptic property is good, can guarantee that water quality and water passing capacity, and intervalve and outer tube have very strong bearing capacity and insulation energy Power, transport and easy for installation, compared with merely using glass reinforced plastic pipe and insulating tube, the utility model reduces glass reinforced plastic pipe Thickness, while the intensity and heat-insulating property of feed pipe are ensure that, reduce overall cost.The utility model provides a kind of tool There is anticorrosive, cost relatively low and the fiberglass steel plate complex heat-preservation feed pipe of good heat preservation performance.

Further, the tube wall of the intervalve of the utility model second is formed by several hollow D shape steel plate element solders , there is very high intensity, ambient pressure can be born, protect the glass reinforced plastic pipe of internal layer, hollow structure, save steel, cost It is low；Play a part of reducing noise simultaneously.

Further, super glass wool is filled in the utility model D shaped steel Slab element, effectively plays insulation effect, while energy Enough remove is made an uproar, it is possible to reduce the buried depth of low temp area feed pipe, and effectively reduce noise pollution.

Further, the utility model outer tube is plastic tube, can strengthen the bulk strength of composite water pipe；Light weight, Transport and easy for installation.

Further, the utility model is by using hard polvinyl choride pipe as outer tube, and its intensity is higher, corrosion resistance Can be strong, bulk strength of the present utility model can be strengthened, whole feed pipe is shielded.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Wherein：1-inner tube；2-the first intervalve；3-the second intervalve；4-outer tube；5-curved plate；6— Super glass wool；7-adhering resin layer.

Embodiment

The utility model is described in further details below in conjunction with the accompanying drawings.

Referring to Fig. 1, the utility model is a kind of erosion-resisting composite water pipe, main to include what is be arranged successively from inside to outside Inner tube 1, the first intervalve 2, the second intervalve 3 and outer tube 4；Between the intervalve 2 of inner tube 1 and first, the first intervalve 2 And second between intervalve 3 and between the second intervalve 3 and outer tube 4 by setting adhering resin layer 7, make inner tube 1, Together with first intervalve 2, the second intervalve 3 and the strong bond of outer tube 4, an entirety is formed.

Inner tube 1 is made up of fiberglass anticorrosive, that intensity is big, hydraulics are good in the utility model, can effectively prevent Only inner-walls of duct corrodes, and ensures the safety of water supply quality；First intervalve 2 is a thin layer steel plate pipe, and thickness is less than inner tube 1 Thickness, for protecting inner tube 1 and playing pressure-bearing；Second intervalve 3 is the hollow steel plate pipe of curved weld, if its tube wall be by What dry hollow D shape steel plate element solder formed, super glass wool is filled with D shaped steel Slab elements, can be strengthened whole multiple The intensity and bearing capacity of feed pipe are closed, while plays a part of being incubated and reducing noise；Outer tube 4 is by cheap, anti-corruption Lose strong PVC-U (U-PVC) to be made, so that bulk strength increase of the present utility model, protect the first intervalve 2nd, the second intervalve 3 and inner tube 1.The utility model greatly improves the security reliability of water supply.

The material that inner tube 1 in the utility model uses is fiberglass, and production technology is using reciprocating fiber winding work Skill, in this process, steeping vat is reciprocating with the core of rotation, and long fibre glass fiber is relative with certain oblique angle Put in core axle is auxiliary, explement (i.e. winding angle) is controlled by the ratio between the translational speed of steeping vat and mandrel rotary velocity, the translation of steeping vat By machine-electric control of computerization, winding the number of plies gradually increases, and untill the wall thickness for reaching design, after the completion of winding, makes system for motion Resin in product solidifies substantially, and after solidification, core is deviate from from glass reinforced plastic pipe.The material that second intervalve 3 uses is arc-shaped steel Plate, using special bonding resin, it is combined into one by the method and the intervalve 2 of inner tube 1 and first of extrusion molding.In second Between super glass wool in pipe 3 be for primary raw material with quartz sand, feldspar, sodium metasilicate, boric acid etc., be made small by high temperature melting In 2um fiber cotton like, then add the tubing heat insulating products that the sizing of thermosetting resin adhesive pressurized high-temperature produces.Outer tube 4 materials used are PVC-U (U-PVC), and the material that inner tube 2 uses is steel plate, are produced by corresponding production line.

The mode of production of the utility model composite water pipe produces for existing technology, and equipment is simple, easy to operate, also may be used With using other more simply and easily production tech.

The utility model main course of work and principle：

The utility model is divided into four layers, and inner tube 1 contacts water body, resists corrosion of the water body to tube wall, reduces resistance to water-flow, Ensure water supply quality, reduce required energy during water delivery；First intervalve 2, the second intervalve 3 and outer tube 4 bear the external world Pressure, protects inner tube 1, and the second intervalve 3 also acts as insulation with reducing the effect of noise；First intervalve 2 is a thin layer steel Plate pipe, armor plate strength is high, and load performance is good, and for protecting the glass reinforced plastic pipe of internal layer, the first intervalve 2 is used for protecting inner tube 1 While can play a part of be incubated and reduce environment in noise；Intervalve 3 is the hollow steel plate pipe of curved weld, and curved plate is used To bear ambient pressure, while certain fixation can be played to the first intervalve 2；One layer of superfine glass is set in hollow structure Cotton, super glass wool constitution is light, thermal conductivity factor is low, heat insulation and sound absorbing capabilities are good, corrosion-resistant, heat-resisting, freeze proof, antidetonation and has Good chemical stability, and it is easy for construction, it is a kind of lightweight, efficient, durable, economic industrial heat preservation material.Outer tube 4 For plastic tube, the bulk strength of composite water pipe can be strengthened.Adhering resin layer 7 makes four layers of pipeline, and firmly bonding is whole into one Body.

Compared with currently used cast iron pipe, composite water pipe of the present utility model, the wherein antiseptic property of inner tube 1 is good, Water quality and water passing capacity are can guarantee that, intervalve and outer tube 4 have very strong bearing capacity and insulating power, transport and installation side Just；The utility model provides that antiseptic property is good, lower-cost composite water pipe, can effectively resist water body to tube wall Corrosion, solve the problems, such as inner-walls of duct corrosion to water supply quality secondary pollution, while using into production. art is simple, cost is relatively low Plastic material (U-PVC) solve the problems, such as that simple glass reinforced plastic pipe cost is high, using built-in heat insulation except making an uproar material, solve low The problem of regional buried depth of pipeline of temperature is larger, while effectively alleviate noise pollution problem.

Claims (6)

1. A kind of 1. fiberglass steel plate complex heat-preservation feed pipe, it is characterised in that：Including the inner tube being arranged successively from inside to outside (1), the first intervalve (2), the second intervalve (3) and outer tube (4)；Between inner tube (1) and the first intervalve (2), first Adhering resin layer is respectively provided between intervalve (2) and the second intervalve (3) and between the second intervalve (3) and outer tube (4) (7)；Inner tube (1) is glass reinforced plastic pipe, and the first intervalve (2) and the second intervalve (3) are steel plate pipe.
2. A kind of 2. fiberglass steel plate complex heat-preservation feed pipe according to claim 1, it is characterised in that：First intervalve (2) thickness is less than the thickness of inner tube (1).
3. A kind of 3. fiberglass steel plate complex heat-preservation feed pipe according to claim 1, it is characterised in that：Second intervalve (3) tube wall is formed by several hollow D shape steel plate element solders.
4. A kind of 4. fiberglass steel plate complex heat-preservation feed pipe according to claim 3, it is characterised in that：D shaped steel Slab elements In be filled with super glass wool.
5. A kind of 5. fiberglass steel plate complex heat-preservation feed pipe according to claim 1, it is characterised in that：Outer tube (4) is Plastic tube.
6. A kind of 6. fiberglass steel plate complex heat-preservation feed pipe according to claim 5, it is characterised in that：Outer tube (4) Material is PVC-U.