CN105465527A - Ozone pipeline clamping and pressing type pipe fitting - Google Patents
Ozone pipeline clamping and pressing type pipe fitting Download PDFInfo
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- CN105465527A CN105465527A CN201511010173.2A CN201511010173A CN105465527A CN 105465527 A CN105465527 A CN 105465527A CN 201511010173 A CN201511010173 A CN 201511010173A CN 105465527 A CN105465527 A CN 105465527A
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- pipe fitting
- flange
- stabilizer
- embedded division
- ozone pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
Abstract
The invention relates to an ozone pipeline clamping and pressing type pipe fitting and belongs to the technical field of water purification. The clamping and pressing type pipe fitting comprises a first pipe fitting body and a second pipe fitting body. The first pipe fitting body comprises a first pipe fitting main body and a nesting part coaxial with the first pipe fitting main body. The second pipe fitting body comprises a second pipe fitting main body and an embedding part coaxial with the second pipe fitting main body. A first flange is arranged at the front end of the nesting part of the first pipe fitting body in the radial direction. A second flange is arranged on the periphery of the embedding part close to the first flange in the radial direction. A first groove is formed between the first flange and the second flange. A third flange and a fourth flange are arranged on the outer wall of the portion, connected with the embedding part, on the second pipe fitting main body in the radial direction. A second groove is formed between the third flange and the fourth flange. The first pipe fitting body and the second pipe fitting main body are both made from modified UPVC materials. The ozone pipeline clamping and pressing type pipe fitting is reasonable in structure and firm in combination. The first pipe fitting body and the second pipe fitting main body are both made from modified UPVC materials. The UPVC materials are reasonable in component, various reinforcing agents are added, and the manufactured first pipe fitting body and the manufactured second pipe fitting body are light in weight and durable, attractive in color and luster, bright and smooth, good in ozone resistance, resistant to aging and chemical corrosion, high in impact strength and long in service life.
Description
Technical field
The invention belongs to technical field of water purification, relate to a kind of ozone pipeline clamp-press type pipe.
Background technique
Ozone is the allotropic modification of oxygen, is a kind of unstable gas of strong oxidizing property, and its decolouring, deodorization, Disinfection Effect significantly, are widely used in chemical industry, printing and dyeing and water treatment field.Be used for water treatment as germicide, its superiority is higher than liquid chlorine or sodium chlorate, and not only sterilizing ability is strong, and without any carryover contamination problem.Effectively can reduce the chemical oxygen demand (COD) in water and total content of organic carbon, while killing disease-causing organism, can also except the smell in anhydrating and color, remaining ozone then divide solve very fast.
Because of the Strong oxdiative character of ozone, in water purifying kits, generally ozonizer can be installed, ozone is mixed with water the sterilization carrying out water, the mode that glue bonds often is adopted when being docked by ozone transport conduit in prior art, in use bond site easily departs from, and bond the glue used also easily oxidized leakage causing Ozone Water, and existing ozone transport conduit is often also easily oxidized, not corrosion-resistant, working life is short.
Summary of the invention
The object of the invention is the problems referred to above existed for prior art, propose a kind of ozone resistance good, ageing-resistant, impact strength is high, the ozone pipeline clamp-press type pipe of long service life.
Object of the present invention realizes by following technical proposal:
A kind of ozone pipeline clamp-press type pipe, comprise pipe fitting one and pipe fitting two, the nesting part that pipe fitting one comprises pipe fitting one body and coaxially arranges with pipe fitting one body, the Embedded Division that pipe fitting two comprises pipe fitting two body and coaxially arranges with pipe fitting two body, the front end of the nesting part of described pipe fitting one is radially provided with flange one, flange two is radially provided with near the Embedded Division periphery of flange one, groove one is formed between flange one and flange two, the front end outer wall of described pipe fitting two Embedded Division is provided with seal groove, on seal groove, cover has seal ring, flange three and flange four is radially provided with on pipe fitting two body with on the outer wall at Embedded Division link position place, groove two is formed between flange three and flange four, when pipe fitting one is connected with pipe fitting two, the Embedded Division of pipe fitting two is nested in the nesting part of pipe fitting one, flange one and flange three dock, fixed cover is formed by pipe fitting one between flange two and flange four of the mode of injection moulding and pipe fitting two outside, wherein, described pipe fitting one and pipe fitting two are made by modification UPVC material.
Pipe fitting one in the present invention and pipe fitting two adopt specific structure, mode again by injection moulding after nested connects in the mode of the two joint formation fixed cover, change the mode that traditional ozone pipe fitting adopts glue adhering junction, in conjunction with firmly, avoid the problem that when glue bonds, pipe fitting bond site easily departs from.Pipe fitting one is respectively equipped with pipe fitting two cooperatively interact nested nesting part and Embedded Division, two flanges are respectively equipped with at pipe fitting one and pipe fitting two outer wall, groove is formed between two flanges on each pipe fitting, when injection moulding, injected plastics material is full of groove, and the fixed jacket that injection moulding is formed is connected more stable with pipe fitting.Pipe fitting one and pipe fitting two are made by modification UPVC material, good mechanical performance, and ozone resistance is good, avoid pipe fitting oxidized cause leak, the problem do not grown working life.
Described modification UPVC material comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier: 16-23 part;
Inorganic filler: 13-31 part;
Heat-expandable microsphere stabilizer: 3-8 part;
Calcium zinc stabilizer: 6-11 part;
Composite light stabilizer: 1.2-5.3 part;
Titanium dioxide: 1.5-4.3 part;
Wherein, described heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is the composite powder of carbonic hydroammonium, sodium bicarbonate, Celogen Az, 4,4-OBSHs.
The modification UPVC material that ozone pipeline clamp-press type pipe of the present invention is by mechanical property and ozone-resistant oxidability is excellent, light weight is durable is made.Be added with the impact modifier of constant weight number in modification UPVC material of the present invention, effectively can improve toughness and the impact resistance of UPVC material.The inorganic filler added significantly can increase the intensity of UPVC material, makes it meet the usage requirement of pipe fitting intensity.UPVC material of the present invention is also added with heat-expandable microsphere stabilizer, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, when being heated to uniform temperature, acrylonitrile copolymer housing softens, composite foamable agent decomposes in housing produces gas, microsphere volume expands and increases, and is still a complete seal after expanding, in UPVC material, forms micropore.Acrylonitrile copolymer housing has excellent resistance to pressure, good rebound elasticity, can bear circulation pressurization/release repeatedly and not break, thus increases the shock resistance of UPVC material; In UPVC material, the existence of a large amount of micropore reduces the proportion of UPVC material simultaneously, thus reduces the proportion of pipe fitting; In addition, heat-expandable microsphere stabilizer can give UPVC material good processibility, makes it easily process process, more easily polishes, finishing and cutting; The mobile performance of effective enhancing UPVC resin system, makes UPVC shaping easier; And the acrylonitrile copolymer housing of heat-expandable microsphere can not break when foaming, and just ensure that the gas of generation can not leak outside, can not produce pollution.
In the composite foamable agent selected, carbonic hydroammonium, sodium bicarbonate are endothermic blowing agent, Celogen Az, 4,4-OBSH is heat release type stabilizer, the stabilizer of heat-absorbing type not easily disperses, and causes the size of goods inner cell uneven, releases a large amount of heat when the stabilizer of heat release type decomposes, easily cause that resin system is overheated, resin adhesive liquid viscosity declines, unfavorable to air bubble growth.Heat absorptivity stabilizer and Exothermic blowing agents combine by the present invention, and control heat absorption and the balance of heat release, resin system viscosity B coefficent is fluctuated little, foaming process is easy to control, and the distribution of cells of generation is even, and foam structure is regular.The temperature that the present invention reacts according to stabilizer, have chosen that above-mentioned four kinds of foamed times are inconsistent, blowing temperature contains the stabilizer that UPVC material prepares whole process and carry out compound use, make abscess homoepitaxial in UPVC material preparation process, obtain the UPVC material that uniform foam cell is consistent.Calcium zinc stabilizer by calcium salt, zinc salt, oiling agent, antioxidant etc. for key component adopts special combination process to synthesize, not only can replace the poisonous stabilizers such as plumbous cadmium salt class and organic tin, also there is goodish thermostability, light stability, the transparency and tinting strength, tinting power; And there is good lubricity and unique coupled action, give the dispersiveness that bulking agent is good, promote the parcel with polyvinyl chloride resin, improve product properties, reduce mechanical wear; Also have concurrently toughness reinforcing and promote melting, plasticizing good fluidity; Homogenous plasticized and the high-speed molten mobility that PVC mixture is good can be given, make product surface smooth.The present invention adds calcium zinc stabilizer in UPVC material, can improve the oxidation resistance of its processibility and pipe fitting, heat-resisting cold tolerance.Because the pipe fitting in the present invention is used for, in purifier, being generally provided with ultraviolet lamp, affecting to pipe fitting, therefore require that pipe fitting has anti-ultraviolet function in purifier.The present invention is added with composite light stabilizer in UPVC material, imparts the light stability that this pipe fitting is good, makes it in long-term UV environment, still have good oxidation resistance and usability.The pipe fitting light weight using the UPVC material in the present invention to make is durable, and color and luster is attractive in appearance, and light is level and smooth, and ageing-resistant, long service life, physical and chemical performance is excellent, resistance to chemical attack, and impact strength is high, has good usability.
The particle diameter of described heat-expandable microsphere stabilizer is 1-15 μm.The particle diameter of heat-expandable microsphere is less, and the interior pressure needed for expansion is larger, and concentrated blowing temperature is higher.The heat-expandable microsphere of this particle size can avoid stabilizer too to concentrate vigorous reaction too early at a lower temperature, improve blowing temperature, extend foamed time, the closed pore of more even compact is formed in UPVC material, performance and the UPVC drawing abillity such as high temperature resistant, insulation, acid resistant alkali, impact resistance of further raising UPVC material, improve output, reduce costs.
In the composite foamable agent of described heat-expandable microsphere stabilizer, the weight ratio of carbonic hydroammonium, sodium bicarbonate, Celogen Az, 4,4-OBSHs is 10:(23-30): (30-45): (28-35).
Carbonic hydroammonium, sodium bicarbonate, Celogen Az, 4 in composite foamable agent, the blowing temperature of 4-OBSH is inconsistent, the foaming temperature range of four kinds of stabilizers covers the whole course of working of UPVC material, according to the temperature variation in UPVC material processing, the usage ratio of four kinds of stabilizers is controlled in above-mentioned scope, the degree of gas release under condition of different temperatures can be controlled, finally obtain the UPVC material of consistent fine and closely woven, the good mechanical performance of uniform foam cell.
Described impact modifier is ethylene propylene rubber, fluorine rubber, polyether-ether-ketone, one or more in polyurethane.
Above-mentioned impact modifier has excellent shock resistance, joins in UPVC material and can effectively improve its erosion-resisting characteristics.And ethylene propylene rubber main chain is made up of chemically stable saturated hydrocarbon, only in side chain containing unsaturated double-bond, therefore there is excellent resistance to ozone, the ageing-resistant performance such as heat-resisting, weather-proof.Fluorine rubber is also a kind of saturated rubber, due to the introducing of fluorine atom, has excellent heat resistance, oxidative stability, oil resistance, corrosion resistance and resistance to weathering.Polyether-ether-ketone is aromatic system crystal type thermoplastic macromolecule material, have that mechanical strength is high, high temperature resistant, shock-resistant, acid resistant alkali, hydrolysis resistance, wear-resisting, endurance, radiation-resistant property, ozone resistance.Polyurethane also has excellent toughness and ozone resistance.Therefore the adding of above-mentioned impact modifier, the ozone resistance of UPVC material, chemical resistance and the mechanical property such as intensity, toughness is effectively improved.The present invention proves by experiment, and adopt above-mentioned impact modifier to coordinate heat-expandable microsphere stabilizer, calcium zinc stabilizer and composite light stabilizer, after PVC compound, its mechanical property and ageing-resistant performance are significantly improved.
As preferably, described ethylene propylene rubber is the crosslinked ethylene propylene diene rubber of oxide, and oxide coupling ethylene propylene rubber has more excellent toughness and ageing-resistant performance, can give pipe fitting better usability.Fluorine rubber is that the fluorine rubber after crosslinked, its tensile strength, fatigue resistance, thermostability and oxidation stability are all significantly improved by the crosslinked fluorine rubber of Diamines vulcanzing agent.
Described inorganic filler is one or more in nano-calcium carbonate, white clay, French chalk.
The nano-calcium carbonate that the present invention uses, white clay are cheap and easy to get, can reduce cost of production, also can improve the insulating properties of pipe fitting UPVC material, pliability, tensile strength, impact strength, improve the rheological characteristic of UPVC material, improve the formability of UPVC material.Talcous hardness is little, fusing point is high, expand and contractile force low, dispersiveness high, strong covering power, oil suction and hydrophoby good, satiny degree is large, friction ractor is little, has again unique dry slip, good insulating properties is all had to electricity and heat, and stable chemical nature, having ability that is antiacid, alkali erosion, is the bulking agent of UPVC material excellence.
Described composite light stabilizer is one or more of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.As preferably, described composite light stabilizer is the mixture of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010, and in mixture, the mass ratio of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010 is respectively 10:(2-3): (25-30): (17-23): (7-10).
The ZnCl2 that phosphite is formed due to adding of nano zine oxide in order to complexing, cut off the vicious circle that PVC＝polyvinyl chloride and zine oxide are decomposed, make zine oxide can be applied in PVC＝polyvinyl chloride with its effective amount, become the UV absorbers that PVC＝polyvinyl chloride is effectively long-term.Nano zine oxide, benzophenone type ultraviolet light absorber, hindered amines radical scavenger with the use of, its antiageing effect is far longer than and is used alone wherein a kind of antiageing effect.Antioxidant 1010 add the stability that improve composite light stabilizer, effectively improve the anti-ultraviolet ability of UPVC material.
The internal diameter of the nesting part front end of described pipe fitting one is greater than the internal diameter of nesting part rear end, at nesting part inwall forming station stepped structure one, the external diameter of described pipe fitting two Embedded Division front end is less than the external diameter of Embedded Division rear end, forms the step-like structure two matched with step-like structure one at Embedded Division outer wall.
The inwall of the nesting part front end of pipe fitting one has step-like structure one, and the rear end of the Embedded Division of pipe fitting two has step-like structure two, and step-like structure one and step-like structure two match, and makes the nested structure of pipe fitting one and pipe fitting two more stable.
The end, rear end of described pipe fitting one nesting part is provided with the annular groove coaxial with pipe fitting one vertically, the internal diameter of described pipe fitting two Embedded Division front end is greater than the external diameter of Embedded Division rear end, and the inwall in Embedded Division front end forms the step-like structure three matched with annular groove.
The step-like structure three of pipe fitting two matches with the annular groove of pipe fitting one, and the front end of pipe fitting two Embedded Division can be inserted in annular groove, makes the cooperation of pipe fitting one and pipe fitting two more firm.
The internal diameter of described pipe fitting one body is less than the internal diameter of pipe fitting one nesting part, is convenient to form annular groove in the end, rear end of pipe fitting one nesting part.
The internal diameter of described pipe fitting two body is less than the internal diameter of pipe fitting two Embedded Division.
Compared with prior art, the present invention has following beneficial effect: the ozone pipeline clamp-press type pipe in the present invention is rational in infrastructure, adopt nested after again injection moulding form the mode of fixed cover and connect, combine firmly, avoid the problem that when tradition adopts glue to bond, pipe fitting bond site easily departs from.Pipe fitting one and pipe fitting two are made by modification UPVC material, the component of UPVC material is reasonable, is added with various strengthening agent, the pipe fitting one made and pipe fitting two light weight durable, color and luster is attractive in appearance, light is level and smooth, and ozone resistance is good, ageing-resistant, resistance to chemical attack, impact strength is high, mechanical property and usability excellent, long service life.
Accompanying drawing explanation
Fig. 1 is the perspective view under pipe fitting coupled condition of the present invention.
Fig. 2 is the structural representation under the non-injection moulding coupled condition of pipe fitting of the present invention.
Fig. 3 is the sectional view of Fig. 1 of the present invention.
Fig. 4 is the structural representation under pipe fitting decomposing state of the present invention.
Fig. 5 is the sectional view of Fig. 4 of the present invention.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As Figure 1-5, a kind of ozone pipeline clamp-press type pipe, comprise pipe fitting one and pipe fitting two, pipe fitting one comprises pipe fitting one body 1 and the nesting part 2 that arrange coaxial with pipe fitting one body 1, pipe fitting two comprises pipe fitting two body 3 and the Embedded Division 4 that arrange coaxial with pipe fitting two body 3, the forward end of the nesting part 2 of pipe fitting one is radially provided with flange 1, flange 26 is radially provided with near Embedded Division 4 periphery of flange 1, groove 1 is formed between flange 1 and flange 26, the front end outer wall of the Embedded Division 4 of pipe fitting two is provided with seal groove, on seal groove, cover has seal ring 8, flange 39 and flange 4 10 is radially provided with on pipe fitting two body 3 with on the outer wall at Embedded Division 4 link position place, groove 2 11 is formed between flange 39 and flange 4 10, when pipe fitting one is connected with pipe fitting two, the Embedded Division 4 of pipe fitting two is nested in the nesting part 2 of pipe fitting one, flange 1 and flange 39 dock, fixed cover 12 is formed by pipe fitting one between flange 26 and flange 4 10 of the mode of injection moulding and pipe fitting two outside, wherein, described pipe fitting one and pipe fitting two are made by modification UPVC material.
The internal diameter of nesting part 2 front end of pipe fitting one is greater than the internal diameter of nesting part 2 rear end, at nesting part 2 inwall forming station stepped structure 1, the external diameter of described pipe fitting two Embedded Division 4 front end is less than the external diameter of Embedded Division 4 rear end, forms the step-like structure 2 14 matched with step-like structure 1 at Embedded Division 4 outer wall.
The end, rear end of pipe fitting one nesting part 2 is provided with the annular groove 15 coaxial with pipe fitting one vertically, the internal diameter of described pipe fitting two Embedded Division 4 front end is greater than the external diameter of Embedded Division 4 rear end, and the inwall in Embedded Division 4 front end forms the step-like structure 3 16 matched with annular groove 15.
The internal diameter of pipe fitting one body 1 is less than the internal diameter of pipe fitting one nesting part 2, and the internal diameter of described pipe fitting two body 3 is less than the internal diameter of pipe fitting two Embedded Division 4.
The modification UPVC material preparing pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier: 16-23 part;
Inorganic filler: 13-31 part;
Heat-expandable microsphere stabilizer: 3-8 part;
Calcium zinc stabilizer: 6-11 part;
Composite light stabilizer: 1.2-5.3 part;
Titanium dioxide: 1.5-4.3 part;
Wherein, impact modifier is ethylene propylene rubber, fluorine rubber, polyether-ether-ketone, one or more in polyurethane.
Heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is weight ratio 10:(23-30): (30-45): the carbonic hydroammonium of (28-35), sodium bicarbonate, Celogen Az, 4, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 1-15 μm.
Inorganic filler is one or more in nano-calcium carbonate, white clay, French chalk.
Composite light stabilizer is one or more of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.
Composite light stabilizer is the mixture of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010, and in mixture, the mass ratio of nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010 is 10:(2-3): (25-30): (17-23): (7-10).
Below by specific embodiment, the pipe fitting one in the present invention and pipe fitting two are further explained.
Embodiment 1
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier ethylene propylene rubber: 16 parts;
Nano-calcium carbonate: 13 parts;
Heat-expandable microsphere stabilizer: 3 parts;
Calcium zinc stabilizer: 6 parts;
Composite light stabilizer: 1.2 parts;
Titanium dioxide: 1.5 parts.
Wherein, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:23:30:28, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 1-15 μm.Composite light stabilizer is the nano zine oxide of mass ratio 10:2, the composite of phosphite.
Embodiment 2
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier fluorine rubber: 18 parts;
Nano-calcium carbonate: 5 parts;
White clay: 10 parts;
Heat-expandable microsphere stabilizer: 4 parts;
Calcium zinc stabilizer: 7 parts;
Composite light stabilizer: 2.0 parts;
Titanium dioxide: 2.0 parts;
Heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:25:35:30, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 3-12 μm.Composite light stabilizer is the composite of the benzophenone type ultraviolet light absorber of mass ratio 25:23:7, hindered amines radical scavenger and antioxidant 1010.
Embodiment 3
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier polyether-ether-ketone: 20 parts;
Nano-calcium carbonate: 13 parts;
French chalk: 7 parts;
Heat-expandable microsphere stabilizer: 5 parts;
Calcium zinc stabilizer: 8 parts;
Composite light stabilizer: 3.0 parts;
Titanium dioxide: 2.5 parts;
Wherein, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:28:40:32, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 5-10 μm.Composite light stabilizer be the nano zine oxide of mass ratio 10:30:17, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger with the composite of antioxidant 1010.
Embodiment 4
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier polyurethane: 22 parts;
White clay: 15 parts;
French chalk: 10 parts;
Heat-expandable microsphere stabilizer: 6 parts;
Calcium zinc stabilizer: 9 parts;
Composite light stabilizer: 4.0 parts;
Titanium dioxide: 3.0 parts;
Wherein, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:26:42:34, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 6-9 μm.Composite light stabilizer is the composite of the nano zine oxide of mass ratio 10:3:28:20, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.
Embodiment 5
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Ethylene propylene rubber: 13 parts;
Fluorine rubber: 10 parts;
Nano-calcium carbonate: 18 parts;
White clay: 6 parts;
French chalk: 7 parts;
Heat-expandable microsphere stabilizer: 8 parts;
Calcium zinc stabilizer: 11 parts;
Composite light stabilizer: 5.3 parts;
Titanium dioxide: 4.3 parts;
Wherein, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:30:45:35, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 6-8 μm.The composite of the nano zine oxide of composite light stabilizer to be mass ratio be 10:26:18:9, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.
Embodiment 6
The modification UPVC material of pipe fitting one and pipe fitting two comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Polyether-ether-ketone: 13 parts;
Polyurethane: 9 parts;
Nano-calcium carbonate: 18 parts;
White clay: 6 parts;
Heat-expandable microsphere stabilizer: 7 parts;
Calcium zinc stabilizer: 10 parts;
Composite light stabilizer: 5.0 parts;
Titanium dioxide: 4.0 parts;
Wherein, heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is carbonic hydroammonium, sodium bicarbonate, the Celogen Az, 4 of weight ratio 10:30:45:35, the composite powder of 4-OBSH, the particle diameter of heat-expandable microsphere stabilizer is 6-8 μm.The composite of the nano zine oxide of composite light stabilizer to be mass ratio be 10:2.5:29:21:10, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.
Modification UPVC material in above-described embodiment 1-6 is made pipe fitting one and pipe fitting two respectively by common processing technology.
Comparative example 1
Common commercially available ozone pipe fitting.
Comparative example 2
Prepare in the modification UPVC material of pipe fitting one and pipe fitting two and do not add heat-expandable microsphere stabilizer, other are all identical with embodiment 1.
Comparative example 3
Preparing the stabilizer added in the modification UPVC material of pipe fitting one and pipe fitting two is Celogen Az, does not add heat-expandable microsphere stabilizer, and other are all identical with embodiment 1.
Comparative example 4
Prepare the light stabilizer added in the modification UPVC material of pipe fitting one and pipe fitting two be single light stabilizer as only added benzophenone type ultraviolet light absorber or only adding hindered amines radical scavenger, other are all identical with embodiment 1.
Pipe fitting one in embodiment of the present invention 1-5 and pipe fitting two are compared with the pipe fitting in comparative example 1-4, comparative result is as shown in table 1.
Table 1: in embodiment 1-5, the performance of pipe fitting and the performance of pipe fitting in comparative example 1-4 compares
In table 1, yellow colour index difference is the difference of the yellow colour index of the forward and backward sample of ultraviolet light and aging.
In sum, ozone pipeline clamp-press type pipe of the present invention is rational in infrastructure, the structural stability that pipe fitting one and pipe fitting two are socketed, mode again by injection moulding after socket reinforces the connection pipe fitting one and pipe fitting two, adopting the pipe fitting connected in such a way in use connects closely, not easily loosens and leaks.Pipe fitting one and pipe fitting two adopt modification UPVC material to make, be added with heat-expandable microsphere stabilizer, fine and close hole is formed at modification UPVC material internal, light weight is durable, impact strength is high, and be added with composite light stabilizer, ageing-resistant, be added with the impact modifier of ozone resistance, impact strength and ozone resistance good, at 50 DEG C, under ozone Measuring Ozone Concentration in Water 0.03% condition, use 72h, pipe fitting in the present invention is without cracking phenomena, the inorganic filler added improves its intensity, the mechanical properties such as toughness, the calcium zinc stabilizer added improves the oxidative stability of dispersiveness in its preparation process and finished product, stability, smoothness etc., obtained pipe fitting color and luster is attractive in appearance, light is level and smooth, resistance to chemical attack, mechanical property and usability excellent, long service life.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. an ozone pipeline clamp-press type pipe, comprise pipe fitting one and pipe fitting two, pipe fitting one comprises pipe fitting one body (1) and the nesting part (2) that arrange coaxial with pipe fitting one body (1), pipe fitting two comprises pipe fitting two body (3) and the Embedded Division (4) that arrange coaxial with pipe fitting two body (3), it is characterized in that, the forward end of the nesting part (2) of described pipe fitting one is radially provided with flange one (5), flange two (6) is radially provided with near Embedded Division (4) periphery of flange one (5), groove one (7) is formed between flange one (5) and flange two (6), the front end outer wall of the Embedded Division (4) of described pipe fitting two is provided with seal groove, on seal groove, cover has seal ring (8), pipe fitting two body (3) above and on the outer wall at Embedded Division (4) link position place is radially provided with flange three (9) and flange four (10), groove two (11) is formed between flange three (9) and flange four (10), when pipe fitting one is connected with pipe fitting two, the Embedded Division (4) of pipe fitting two is nested in the nesting part (2) of pipe fitting one, flange one (5) and flange three (9) dock, fixed cover (12) is formed by pipe fitting one between flange two (6) and flange four (10) of the mode of injection moulding and pipe fitting two outside, wherein, described pipe fitting one and pipe fitting two are made by modification UPVC material.
2. a kind of ozone pipeline clamp-press type pipe according to claim 1, it is characterized in that, described modification UPVC material comprises the composition of following weight portion:
PVC＝polyvinyl chloride: 100 parts;
Impact modifier: 16-23 part;
Inorganic filler: 13-31 part;
Heat-expandable microsphere stabilizer: 3-8 part;
Calcium zinc stabilizer: 6-11 part;
Composite light stabilizer: 1.2-5.3 part;
Titanium dioxide: 1.5-4.3 part;
Wherein, described heat-expandable microsphere stabilizer is made up of acrylonitrile copolymer housing and the composite foamable agent be wrapped in acrylonitrile copolymer housing, composite foamable agent is the composite powder of carbonic hydroammonium, sodium bicarbonate, Celogen Az, 4,4-OBSHs.
3. a kind of ozone pipeline clamp-press type pipe according to claim 2, is characterized in that, the particle diameter of described heat-expandable microsphere stabilizer is 1-15 μm.
4. a kind of ozone pipeline clamp-press type pipe according to claim 2, it is characterized in that, in the composite foamable agent of described heat-expandable microsphere stabilizer, the weight ratio of carbonic hydroammonium, sodium bicarbonate, Celogen Az, 4,4-OBSHs is 10:(23-30): (30-45): (28-35).
5. a kind of ozone pipeline clamp-press type pipe according to claim 2, it is characterized in that, described impact modifier is ethylene propylene rubber, fluorine rubber, polyether-ether-ketone, one or more in polyurethane.
6. a kind of ozone pipeline clamp-press type pipe according to claim 2, is characterized in that, described inorganic filler is one or more in nano-calcium carbonate, white clay, French chalk.
7. a kind of ozone pipeline clamp-press type pipe according to claim 2, it is characterized in that, described composite light stabilizer is one or more in nano zine oxide, phosphite, benzophenone type ultraviolet light absorber, hindered amines radical scavenger and antioxidant 1010.
8. a kind of ozone pipeline clamp-press type pipe according to claim 1, it is characterized in that, the internal diameter of nesting part (2) front end of described pipe fitting one is greater than the internal diameter of nesting part (2) rear end, at nesting part (2) inwall forming station stepped structure one (13), the external diameter of described pipe fitting two Embedded Division (4) front end is less than the external diameter of Embedded Division (4) rear end, forms the step-like structure two (14) matched with step-like structure one (13) at Embedded Division (4) outer wall.
9. a kind of ozone pipeline clamp-press type pipe according to claim 1, it is characterized in that, the end, rear end of described pipe fitting one nesting part (2) is provided with the annular groove (15) coaxial with pipe fitting one vertically, the internal diameter of described pipe fitting two Embedded Division (4) front end is greater than the external diameter of Embedded Division (4) rear end, and the inwall in Embedded Division (4) front end forms the step-like structure three (16) matched with annular groove (15).
10. a kind of ozone pipeline clamp-press type pipe according to claim 1, it is characterized in that, the internal diameter of described pipe fitting one body (1) is less than the internal diameter of pipe fitting one nesting part (2), and the internal diameter of described pipe fitting two body (3) is less than the internal diameter of pipe fitting two Embedded Division (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511010173.2A CN105465527A (en) | 2015-12-29 | 2015-12-29 | Ozone pipeline clamping and pressing type pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010173.2A CN105465527A (en) | 2015-12-29 | 2015-12-29 | Ozone pipeline clamping and pressing type pipe fitting |
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| CN105465527A true CN105465527A (en) | 2016-04-06 |
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| CN201511010173.2A Pending CN105465527A (en) | 2015-12-29 | 2015-12-29 | Ozone pipeline clamping and pressing type pipe fitting |
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Application publication date: 20160406 |