CN101446375A - Mud suction and drainage hose and preparation method thereof - Google Patents
Mud suction and drainage hose and preparation method thereof Download PDFInfo
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- CN101446375A CN101446375A CNA2008100802219A CN200810080221A CN101446375A CN 101446375 A CN101446375 A CN 101446375A CN A2008100802219 A CNA2008100802219 A CN A2008100802219A CN 200810080221 A CN200810080221 A CN 200810080221A CN 101446375 A CN101446375 A CN 101446375A
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Abstract
The invention belongs to the technical field of hoses and manufacturing method thereof and discloses a mud suction and drainage hose and the preparation method thereof. The hose is mainly characterized in that the hose comprises an internal glue layer, an external glue layer and flanges at both ends; an enhancement layer is installed between the internal glue layer and the external glue layer; the internal glue layer comprises the following materials according to parts by weight: 75 parts of natural rubber, 25 parts of styrene-butadiene rubber, 4-8 parts of zinc oxide, 3-5 parts of stearic acid, 50-80 parts of carbon soot, 1-2 parts of sulfur, 0.5-2.0 parts of accelerant CZ,10-20 parts of pine tar, 15-30 parts of fine particle calcium carbonate, 1.0-2.0 parts of paraffin, 1.0-2.0 parts of age inhibitor A and 5-10 parts of coumarone, the external glue layer comprises the following materials according to parts by weight: 60 parts of natural rubber, 40 parts of styrene-butadiene rubber, 5-10 parts of zinc oxide, 3-5 parts of stearic acid, 40-60 parts of carbon soot, 1-2 parts of sulfur,1.0-2.0 parts of accelerant DM, 10-20 parts of pine tar, 60-90 parts of fine particle calcium carbonate,1.0-2.0 parts of paraffin and1.5-2.5 parts of age inhibitor A. Cord fabric is used and spirally intertwined between the internal glue layer and the external glue layer according to a degree ranging from 52 degrees to 57 degrees. Pressive strength and aging resistant performance are improved.
Description
Technical field
The invention belongs to sebific duct and manufacture method technical field, relate in particular to mud suction and drainage hose and preparation method thereof.
Background technique
In the bay, the most dredger of dredging works such as river, lake extracts silt out, and with the purposes of the matching used row's dredging tube of dredger more and more widely, the row's dredging tube that uses adopts metal steel pipe, cement pipe etc. mostly at present, because the character of its material has determined this row's dredging tube to have shortcomings such as not flexible, perishable, not wear-resisting, like this, not only construction is inconvenient, and its working life is short, and cost increases greatly.And be applied on the blow-off line, owing to be alkalescence in the sewage or be acid, can be bigger to the corrosion of row's dredging tube.
Summary of the invention
First technical problem that the present invention solves just provide a kind of flexible, be difficult for that burn into is wear-resisting, the life-span long, mud suction and drainage hose easy to use.
For solving the problems of the technologies described above, the technological scheme that mud suction and drainage hose of the present invention adopts is: the flange plate that comprises inner glue layer, outer glue-line and two ends, described inner glue layer and outside be provided with enhancement layer between the glue-line, described inner glue layer includes following materials in weight portion and constitutes:
Natural rubber 75, styrene butadiene rubber 25,
Carbon black 50---80, sulphur 1---2,
Accelerant CZ 0.5---2.0, pine tar 10---20,
Fine particle calcium carbonate 15---30, paraffin 1.0---2.0,
Antioxidant A 1.0---2.0, coumarone 5---10;
Described outer glue-line includes following materials in weight portion and constitutes:
Natural rubber 60 styrene butadiene rubber 40
Carbon black 40---60, sulphur 1---2,
Altax 1.0---2.0, pine tar 10---20,
Fine particle calcium carbonate 60---90, paraffin 1.0---2.0,
Antioxidant A 1.5---2.5.
Its additional technical feature is:
Described enhancement layer employing cord fabric is wrapped in the described inner glue layer outside in the shape of a spiral according to 52 °-57 ° angle;
Described flange plate is through acidification and rubberizing, and winding steel wire is fastening in the joint of flange plate and enhancement layer.
Second technical problem that the present invention solves just provides a kind of method for preparing above-mentioned mud suction and drainage hose.
For solving the problems of the technologies described above, the technological scheme that mud suction and drainage hose of the present invention adopts is:
This method comprises the following steps:
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Mix after taking by weighing various raw material pulverizing according to needed weight portion, again by banbury to the various raw material that mixed carry out mixing make respectively in glue elastomeric compound and outer glue elastomeric compound;
The second step heat refining:
Interior glue elastomeric compound is put into mill carry out heat refining, in mill, make interior film; Outer glue elastomeric compound is put into the mill kind carry out heat refining, film outside in mill, making;
The 3rd step: to the processing of flange plate
It is that 20% hydrochloric acid soaked in sour pond more than 2 hours that flange plate is adopted concentration, its is taken out and water wash away clean, oven dry, then to its line with rubber position and outer wall brushing one deck adhesive equably, again interior film plaster is attached on the flange, and carries out compacting, develop at seam crossing;
The 4th step: inner glue layer pipe preparation
Interior film with behind the heat refining is coated on the tube core, and carries out compacting at seam crossing, develops, and makes the inner glue layer pipe;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 52 °-57 ° angle spiral coiling lengths, and its angle according to 52 °-57 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 6th step: outer sebific duct layer preparation
With the outer film behind the heat refining, be coated on the enhancement layer outside, and carry out compacting at seam crossing, develop; Film outside uniform winding nylon water cloth and rope outside;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at 143-155 ℃ in the sulfurizing pot, and pressure control is taken out after 90-180 minutes at 0.32-0.45MPa;
The 8th step: make finished product
Take off the nylon water cloth and the rope on surface, and tube core is extracted.
Mud suction and drainage hose provided by the present invention compared with prior art, has the following advantages: one constitutes because described inner glue layer includes following materials in weight portion:
Natural rubber 75, styrene butadiene rubber 25,
Carbon black 50---80, sulphur 1---2,
Accelerant CZ 0.5---2.0, pine tar 10---20,
Fine particle calcium carbonate 15---30, paraffin 1.0---2.0,
Antioxidant A 1.0---2.0, coumarone 5---10;
Described outer glue-line includes following materials in weight portion and constitutes:
Natural rubber 60 styrene butadiene rubber 40
Carbon black 40---60, sulphur 1---2,
Altax 1.0---2.0, pine tar 10---20,
Fine particle calcium carbonate 60---90, paraffin 1.0---2.0,
Antioxidant A 1.5---2.5.
Improved the media-resistant burn into abrasion resistance properties of inner glue layer greatly, prolonged working life, outer glue-line then has advantages such as Weather-resistant, has prevented that mud suction and drainage hose from causing damage because of wearing out;
Its two because described enhancement layer adopts cord fabric to be wrapped in the described inner glue layer outside in the shape of a spiral according to 52 °-57 ° angle, adopt the winding structure of said structure, with common how different with the canvas framework materials.Common canvas is by making adhesive plaster through the parallel cloth that interweaves of broadwise yarn, through 45 severing, splicing, and bag paste and form, have sebific duct when bearing pressure distortion big, withstand voltage low, shortcoming such as subduing property is poor, the utilization ratio of material is low.And cord is by warp (cord) and parallel (yarn), be interwoven in length and breadth, its equator is to be used for connecting and to protect warp evenly distributed in cord, in Wrapping formed, be wrapped in the inner glue layer outside in the shape of a spiral according to 52 °-57 ° angles, when in bearing, pressing load, almost all bear by the cord warp, therefore can effectively bring into play the function of framework material, have the compressive strength height, shock-resistant and advantage that flexural property is good;
Its three because described flange plate is through acidification and rubberizing, winding steel wire is fastening in the joint of flange plate and enhancement layer, has improved the decay resistance of flange plate, and strengthens greatly with the join strength of enhancement layer.
Utilize the performance parameter of the mud suction and drainage hose that technology provided by the present invention is prepared into to be:
1, wherein the water absorption rate of inner tube less than 15%;
2, resistance to low temperature is good, can be long-term used in the subzero 20 ℃ environment;
3, elongation at break is 〉=400%;
4, tensile strength 〉=12Mpa;
5, abrasion loss≤1.0cm
3
6, can reach more than 2 years working life.
Description of drawings
Fig. 1 is the structural representation of mud suction and drainage hose of the present invention;
Fig. 2 is an A place partial cross section enlarged view among Fig. 1.
Embodiment
Be described further below in conjunction with the concrete structure and the principle of the drawings and specific embodiments mud suction and drainage hose provided by the present invention.
As depicted in figs. 1 and 2, mud suction and drainage hose provided by the present invention comprises the flange plate 3 at inner glue layer 1, outer glue-line 2 and two ends, described inner glue layer 1 and outside be provided with enhancement layer 4 between the glue-line 2, enhancement layer 4 preferably adopts cord fabric to be wrapped in the outside of inner glue layer 1 in the shape of a spiral according to 52 °-57 ° angle.Cord is by warp (cord) and parallel (yarn), is interwoven in length and breadth, and its equator is to be used for connecting and to protect evenly distributed (density) of warp in cord.Like this, when in bearing, pressing load, almost all bear, can effectively bring into play the function of framework material, therefore have the compressive strength height by the cord warp, shock-resistant and advantage that flexural property is good, certainly, enhancement layer 4 also can adopt other structures.
In order to improve the decay resistance of flange plate 3, and strengthen greatly with the join strength of enhancement layer 4, flange plate 3 is through acidification and rubberizing, fastening with the joint winding steel wire 5 of enhancement layer 4 at flange plate 3.
The preparation process of mud suction and drainage hose is as follows:
Embodiment 1
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 4 kilograms in zine oxide, 3 kilograms of stearic acid, 80 kilograms of carbon blacks, 2 kilograms in sulphur, 1.0 kilograms of accelerant CZs, 20 kilograms of pine tars, 30 kilograms of fine particle calcium carbonates, 1.0 kilograms in paraffin, 2.0 kilograms of antioxidant As, 10 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 5 kilograms in zine oxide, 4 kilograms of stearic acid, 60 kilograms of carbon blacks, 1 kilogram in sulphur, 2.0 kilograms of altaxs, 18 kilograms of pine tars, 80 kilograms of fine particle calcium carbonates, 1.5 kilograms in paraffin, 2.0 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The second step heat refining:
Interior glue elastomeric compound is put into mill carry out heat refining, in mill, make interior film; Outer glue elastomeric compound is put into the mill kind carry out heat refining, film outside in mill, making;
The 3rd step: to the processing of flange plate
It is that 20% hydrochloric acid soaked in sour pond more than 2 hours that flange plate is adopted concentration, its is taken out and water wash away clean, oven dry, then to its line with rubber position and outer wall brushing one deck adhesive equably, again film plaster is attached on the flange, and carries out compacting, develop at seam crossing;
The 4th step: inner glue layer pipe preparation
Interior film with behind the heat refining is coated on the tube core, and carries out compacting at seam crossing, develops, and makes the inner glue layer pipe;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 52 ° spiral angles, and its angle according to 52 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 6th step: outer sebific duct layer preparation
With the outer film behind the heat refining, be coated on the enhancement layer outside, and carry out compacting at seam crossing, develop; Film outside uniform winding nylon water cloth and rope outside;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 143 ℃ in the sulfurizing pot, and pressure control is taken out after 180 minutes at 0.32MPa;
The 8th step: make finished product
Take off the nylon water cloth and the rope on surface, and tube core is extracted.
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 5 kilograms in zine oxide, 3 kilograms of stearic acid, 65 kilograms of carbon blacks, 2 kilograms in sulphur, 1.0 kilograms of accelerant CZs, 12 kilograms of pine tars, 15 kilograms of fine particle calcium carbonates, 1 kilogram in paraffin, 1.0 kilograms of antioxidant As, 5 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 8 kilograms in zine oxide, 4 kilograms of stearic acid, 40 kilograms of carbon blacks, 1.5 kilograms in sulphur, 1.5 kilograms of altaxs, 20 kilograms of pine tars, 85 kilograms of fine particle calcium carbonates, 1.5 kilograms in paraffin, 2.0 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 55 ° spiral angles, and its angle according to 55 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 147 ℃ in the sulfurizing pot, and pressure control is taken out after 160 minutes at 0.35MPa;
Other steps are identical with embodiment 1.
Embodiment 3
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 6 kilograms in zine oxide, 3 kilograms of stearic acid, 50 kilograms of carbon blacks, 2 kilograms in sulphur, 1.0 kilograms of accelerant CZs, 10 kilograms of pine tars, 15 kilograms of fine particle calcium carbonates, 2 kilograms in paraffin, 1.0 kilograms of antioxidant As, 5 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 8 kilograms in zine oxide, 5 kilograms of stearic acid, 40 kilograms of carbon blacks, 2 kilograms in sulphur, 1 kilogram of altax, 10 kilograms of pine tars, 60 kilograms of fine particle calcium carbonates, 1.0 kilograms in paraffin, 1.5 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 53 ° spiral angles, and its angle according to 53 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 149 ℃ in the sulfurizing pot, and pressure control is taken out after 150 minutes at 0.40MPa;
Other steps are identical with embodiment 1.
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 8 kilograms in zine oxide, 4 kilograms of stearic acid, 60 kilograms of carbon blacks, 1.5 kilograms in sulphur, 1.5 kilograms of accelerant CZs, 15 kilograms of pine tars, 22 kilograms of fine particle calcium carbonates, 1.5 kilograms in paraffin, 1.5 kilograms of antioxidant As, 8 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 10 kilograms in zine oxide, 4 kilograms of stearic acid, 60 kilograms of carbon blacks, 1.5 kilograms in sulphur, 1.5 kilograms of altaxs, 20 kilograms of pine tars, 90 kilograms of fine particle calcium carbonates, 2.0 kilograms in paraffin, 2.5 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 54 ° spiral angles, and its angle according to 54 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 151 ℃ in the sulfurizing pot, and pressure control is taken out after 150 minutes at 0.42MPa;
Other steps are identical with embodiment 1.
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 6 kilograms in zine oxide, 4 kilograms of stearic acid, 70 kilograms of carbon blacks, 1.6 kilograms in sulphur, 1.5 kilograms of accelerant CZs, 13 kilograms of pine tars, 25 kilograms of fine particle calcium carbonates, 1.4 kilograms in paraffin, 1.6 kilograms of antioxidant As, 7 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 7 kilograms in zine oxide, 5 kilograms of stearic acid, 50 kilograms of carbon blacks, 1.8 kilograms in sulphur, 1.3 kilograms of altaxs, 15 kilograms of pine tars, 70 kilograms of fine particle calcium carbonates, 1.5 kilograms in paraffin, 1.8 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 56 ° spiral angles, and its angle according to 56 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 151 ℃ in the sulfurizing pot, and pressure control is taken out after 120 minutes at 0.42MPa;
Other steps are identical with embodiment 1.
Embodiment 6
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 7 kilograms in zine oxide, 3 kilograms of stearic acid, 75 kilograms of carbon blacks, 2 kilograms in sulphur, 1.3 kilograms of accelerant CZs, 18 kilograms of pine tars, 27 kilograms of fine particle calcium carbonates, 1.6 kilograms in paraffin, 1.4 kilograms of antioxidant As, 6 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 6 kilograms in zine oxide, 4 kilograms of stearic acid, 45 kilograms of carbon blacks, 1 kilogram in sulphur, 1.8 kilograms of altaxs, 16 kilograms of pine tars, 75 kilograms of fine particle calcium carbonates, 1.6 kilograms in paraffin, 2.2 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 57 ° spiral angles, and its angle according to 57 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 155 ℃ in the sulfurizing pot, and pressure control is taken out after 120 minutes at 0.45MPa;
Other steps are identical with embodiment 1.
Embodiment 7
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Get 75 kilograms of natural rubbers, 25 kilograms of styrene butadiene rubber, 5 kilograms in zine oxide, 4 kilograms of stearic acid, 55 kilograms of carbon blacks, 1.5 kilograms in sulphur, 1.8 kilograms of accelerant CZs, 16 kilograms of pine tars, 20 kilograms of fine particle calcium carbonates, 1.8 kilograms in paraffin, 1.6 kilograms of antioxidant As, 9 kilograms of coumarones, mix after the pulverizing, the various raw material of having worked good are carried out glue elastomeric compound in mixing the making by banbury;
Get 60 kilograms of natural rubbers, 40 kilograms of styrene butadiene rubber, 9 kilograms in zine oxide, 5 kilograms of stearic acid, 55 kilograms of carbon blacks, 2 kilograms in sulphur, 1 kilogram of altax, 11 kilograms of pine tars, 70 kilograms of fine particle calcium carbonates, 1.8 kilograms in paraffin, 2.0 kilograms of antioxidant As, mix after the pulverizing, the various raw material of having worked good are carried out the mixing outer glue elastomeric compound of making by banbury;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 56 ° spiral angles, and its angle according to 56 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged joint place cord;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at about 155 ℃ in the sulfurizing pot, and pressure control is taken out after 90 minutes at 0.45MPa;
Other steps are identical with embodiment 1.
Claims (4)
1, mud suction and drainage hose comprises the flange plate at inner glue layer, outer glue-line and two ends, described inner glue layer and outside be provided with enhancement layer between the glue-line, it is characterized in that: described inner glue layer includes following materials in weight portion and constitutes:
Natural rubber 75, styrene butadiene rubber 25,
Zine oxide 4---8, stearic acid 3---5,
Carbon black 50---80, sulphur 1---2,
Accelerant CZ 0.5---2.0, pine tar 10---20,
Fine particle calcium carbonate 15---30, paraffin 1.0---2.0,
Antioxidant A 1.0---2.0, coumarone 5---10;
Described outer glue-line includes following materials in weight portion and constitutes:
Natural rubber 60 styrene butadiene rubber 40
Zine oxide 5---10, stearic acid 3---5,
Carbon black 40---60, sulphur 1---2,
Altax 1.0---2.0, pine tar 10---20,
Fine particle calcium carbonate 60---90, paraffin 1.0---2.0,
Antioxidant A 1.5---2.5.
2, mud suction and drainage hose as claimed in claim 1 is characterized in that: described enhancement layer employing cord fabric is wrapped in the described inner glue layer outside in the shape of a spiral according to 52 °-57 ° angle.
3, mud suction and drainage hose as claimed in claim 1 is characterized in that: described flange plate is through acidification and rubberizing, and winding steel wire is fastening in the joint of flange plate and enhancement layer.
4, the method for preparing mud suction and drainage hose comprises the following steps:
First step preparation raw material is also made interior glue elastomeric compound and outer glue elastomeric compound
Mix after taking by weighing various raw material pulverizing according to needed weight portion, again by banbury to the various raw material of having worked good carry out mixing make respectively in glue elastomeric compound and outer glue elastomeric compound;
The second step heat refining:
Interior glue elastomeric compound is put into mill carry out heat refining, in mill, make interior film; Outer glue elastomeric compound is put into the mill kind carry out heat refining, film outside in mill, making;
The 3rd step: to the processing of flange plate
It is that 20% hydrochloric acid soaked in sour pond more than 2 hours that flange plate is adopted concentration, its is taken out and water wash away clean, oven dry, then to its line with rubber position and outer wall brushing one deck adhesive equably, again interior film plaster is attached on the flange plate, and carries out compacting, develop at seam crossing;
The 4th step: the bad preparation of inner glue layer pipe
Interior film with behind the heat refining is coated on the tube core, and carries out compacting at seam crossing, develops, and makes the inner glue layer pipe;
The 5th step: the preparation of enhancement layer
Cord through after the rubberizing, carry out cut-to-length according to the needs of 52 °-57 ° angle spiral coiling lengths, and its angle according to 52 °-57 ° is spirally wound on the inner glue layer pipe, and winding steel wire is fastening above the flanged ends place cord;
The 6th step: outer sebific duct layer preparation
With the outer film behind the heat refining, be coated on the enhancement layer outside, and carry out compacting at seam crossing, develop; Film outside uniform winding nylon water cloth and rope outside;
The 7th step: sulfidization molding
The body of wrapping is entered pan vulcanization, and temperature is controlled at 143-155 ℃ in the sulfurizing pot, and pressure control is taken out after 90-180 minutes at 0.32-0.45MPa;
The 8th step: make finished product
Take off the nylon water cloth and the rope on surface, and tube core is extracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100802219A CN101446375B (en) | 2008-12-19 | 2008-12-19 | Mud suction and drainage hose |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100802219A CN101446375B (en) | 2008-12-19 | 2008-12-19 | Mud suction and drainage hose |
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| CN101446375A true CN101446375A (en) | 2009-06-03 |
| CN101446375B CN101446375B (en) | 2010-04-14 |
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Assignee: HEBEI YONGZHENG ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Assignor: HEBEI YUTONG SPECIAL RUBBER HOSE Co.,Ltd. Contract record no.: 2011130000166 Denomination of invention: Mud suction and drainage hose and preparation method thereof Granted publication date: 20100414 License type: Exclusive License Open date: 20090603 Record date: 20111229 |
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Denomination of invention: Mud discharge and suction hose Effective date of registration: 20220928 Granted publication date: 20100414 Pledgee: Cangzhou Bank Co.,Ltd. Hengshui Jingxian Sub branch Pledgor: HEBEI YUTONG SPECIAL RUBBER HOSE Co.,Ltd. Registration number: Y2022110000238 |
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