CN104725738B - A kind of fire hose and preparation method thereof - Google Patents

A kind of fire hose and preparation method thereof Download PDF

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Publication number
CN104725738B
CN104725738B CN201510061024.2A CN201510061024A CN104725738B CN 104725738 B CN104725738 B CN 104725738B CN 201510061024 A CN201510061024 A CN 201510061024A CN 104725738 B CN104725738 B CN 104725738B
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stabilizer
carbon black
polyvinyl chloride
stearic acid
chloride resin
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CN104725738A (en
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余秀堂
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Linhai City Shuan Feng Rubber And Plastic Co Ltd
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Linhai City Shuan Feng Rubber And Plastic Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C33/00—Hose accessories
    • A62C33/06—Hose or pipe bridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/525—Component parts, details or accessories; Auxiliary operations
    • B29C70/526—Pultrusion dies, e.g. dies with moving or rotating parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D29/00—Producing belts or bands

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of fire hose and its compounding methods, its key points of the technical solution are that the formula includes polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread, the described formula is prepared by weight percentage：Polyvinyl chloride resin 34%-36%, hydrogen calcium powder 16%-17%, dibutyl ester 24%-26%, stearic acid 0.7%-0.9%, PE0.7%-0.9%, carbon black 0.1%-0.3%, stabilizer 0.7%-0.9% and dacron thread 19%-21%, the sum of each substance weight is 100%, and the present invention, which has, prepares the good effect of simple, wear-resisting, long lifespan, compressive effect.

Description

A kind of fire hose and preparation method thereof
Technical field
The present invention relates to a kind of technical field of fire control, more specifically, it relates to a kind of fire hose and preparation method thereof.
Background technology
Fire hose is the hose for transporting the anti-flaming liquids such as high pressure water or foam.Traditional fire hose is usually to mould Water band pressure resistance is realized based on the braiding layer that material flat filament, synthetic fibers or yarn, flax braided fabric etc. are formed by weaving according to longitude and latitude Skeleton main body, but braiding layer have gap moisture can not be prevented to leak out, then in braiding layer internal layer lining material with reality Existing water resistance.In addition, in order to protect braiding layer not frayed, some fire hoses are also for example resistance in organization level outer layer additional layer The external coating of resin material is ground, the external coating is also simultaneous to play pressure resistance and anti-leakage.Lining material is mainly chosen full The high pressure resistant, oil resistant of foot, it is corrosion-resistant, light-weight, soft the features such as material.Lining material can be rubber, latex, plastic-coated, Polyurethane etc..The selection of external coating is can to use neoprene, acrylic rubber, chlorine sulphur based on weatherability and wearability Change rubber, lactoprene etc., also uses polyvinyl chloride resin.
Currently, in the market (application No. is 201110389599.9 Chinese patents to disclose a kind of TPU fire waters The preparation method of band), more particularly, to prepare the production technology of the fire hose of TPU liner layers.The TPU fire waters of the present invention The preparation method of band, including step：A, by latitude and longitude by stereo weaving formed water band pipe cylinder weaving layer the step of；B matches The step of setting TPU materials；C, the step of TPU materials are placed in cylindric mold slots and put on cylinder weaving layer outside；D will justify Cylindrical die slot and cylinder weaving layer are inserted in electromagnetic heating pipe, and the step of being powered and controlling electromagnetic heating process；E is cold The step of cylindric mold slots.It may include additionally step：F processes the step of cylinder external coating is made；G, by cylinder External coating coats binder and draws the step of being inserted in cylinder weaving layer；The step of H, water band barrel is fixed in roll-in.The present invention It is a kind of preparation method of new TPU fire hoses, new proportion optimizing is proposed to TPU liner layers, has more in manufacturing process Add simple and bonds relatively reliable advantage.Although this compounding method has more traditional technique relatively easy, but this It is more kind to prepare raw material, and prepares that step is more, and time waste is big, efficiency is low, and produces the fire hose for occurring coming and is easy to make It is worn during, service life is short, and compressive effect difference is susceptible to explosion.
Invention content
In view of the deficienciess of the prior art, the above-mentioned deficiency of solution of the present invention.
The present invention provides following technical solutions：A kind of formula of fire hose：The formula include polyvinyl chloride resin, hydrogen calcium powder, Dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread, the described formula are prepared by weight percentage：Polyvinyl chloride resin 34%- 36%, hydrogen calcium powder 16%-17%, dibutyl ester 24%-26%, stearic acid 0.7%-0.9%, PE0.7%-0.9%, carbon black 0.1%-0.3%, stabilizer 0.7%-0.9% and dacron thread 19%-21%, the sum of each substance weight are 100%.
Advantageous effect：Raw material is prepared by less eight kinds to be matched, fire hose is manufactured, and the manufacture of water band is made to become more Add simplicity, and the fire hose wearability manufactured is strong.
A kind of compounding method of fire hose, prepares that steps are as follows：Stock, front travel, granulation and extrusion；
(1) it stocks up：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread；
(2) front travel：
a：Stirring：By the way that by polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer, all mixing is put into It is stirred in blender, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer is made be sufficiently stirred It is even；
b：Ligament：Ligament is carried out into made-up belt by the way that dacron thread to be put into ligament machine；
(3) it is granulated：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer are put into after evenly mixing Comminutor is granulated, and plastic pellet is become.
(4) it squeezes out：It is squeezed out by the way that made-up belt and plastic pellet to be put into extruder, plastic pellet is applied to made-up belt after extrusion Both sides, are shaped to three layers of water band, and three layers of water band outermost layer plastic pellet surface integrally generate several stiffeners.
The present invention is further：A steps and b step separately carry out simultaneously in the front travel.
The present invention is further：The stirring required time of the second step is -25 minutes 15 minutes.
The present invention is further：The extrusion of the four steps needs preheating -40 minutes 30 minutes, 80 DEG C -170 of preheating temperature ℃。
The present invention uses the advantageous effect of technical solution as above:By stock, stirring, ligament, granulation and squeeze out five steps It is rapid to complete the production of fire hose, and stir and two processes of ligament can separate and be carried out at the same time, to reduce production work When, processing efficiency is improved, made-up belt and plastic pellet are put into extruder in being squeezed out the 4th and squeezed out, by making made-up belt The plastics after plastic pellet melts are smeared in both sides, form three layers of water band, and by same extruder that outermost plastics are primary Molding, and several stiffeners of surface are formed, become the 4th layer by stiffener, further improve whole compression strength, And the design of logical stiffener can make to reduce water band body and bottom surface contact area during use, so that work It wearing and reduces when making, first wear stiffener and wear outermost plastic layer again later so that the abrasion resistant effect of water band is reinforced, and Service life is increased,
A kind of fire hose, including water band body, the water band body are the first plastic layer, the first plastic layer housing There is the second plastic layer, polyester layer is equipped between first plastic layer and the second plastic layer, is integrally set outside second plastic layer There is a stiffener, the stiffener is away from being placed on the second plastic layer.
The present invention uses the advantageous effect of technical solution as above:The water band is placed in the first plastic layer and second by polyester layer Between plastic layer, good intensity fixed function is played in centre by polyester layer, when inner filling water, hydraulic pressure squeezes outward Pressure, can play compressive effect together by the first plastic layer, the second plastic layer and polyester layer, when inside water pressure enhancing, because The elasticity that terylene has not enough, so when to the limit, can play the role of constraint, to utilize the bound of polyester layer Compressive effect is further functioned as, in addition stiffener is arranged on the second plastic layer so that when water band body uses, first It is reinforcement block to contact ground, is uniformly arranged by reinforcement block, ensure that it is fewer than traditional with contact area of ground, by connecing Tactile area reduces to reduce friction, to reduce abrasion condition, and then ensure that service life.
A kind of die head of the extruder of compounding method for fire hose, including die head body, the die head body Interior to be equipped with positioning chamber, uniformly distributed fluted on the inner wall of the positioning chamber, the groove shapes can be semicircle or polygon.
Further setting：The groove of the polygon can be triangle or square or pentagon or hexagon or eight Side shape.
The present invention uses the advantageous effect of technical solution as above:By the groove on the positioning chamber that is equipped in the die head, The stiffener for enabling water belt surface to occur being evenly arranged, and water belt surface stiffener is first worn during use, Play anti-wear, prolong the service life, in addition the shape difference form design of groove, enable to initial contact when Wait, according to the groove of different shapes, keep contact area different, it is different so as to cause abrasive effect, fire hose surface with The abrasion that the contact area on ground is fewer is fewer.
Description of the drawings
Fig. 1 is the compounding method flow chart of the embodiment of the present invention 2.
Fig. 2 is the equipment schematic diagram of the embodiment of the present invention 3.
Fig. 3 is the mold structure diagram of the embodiment of the present invention 3.
Reference numeral in figure：101, die head body；102, positioning chamber；103, groove.
Specific implementation mode
The embodiment of the present invention is described further referring to figs. 1 to Fig. 3.
A kind of formula of fire hose：The formula includes polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, steady Determine agent and dacron thread, the described formula is prepared by weight percentage：Polyvinyl chloride resin 34%-36%, hydrogen calcium powder 16%-17%, two fourths Ester 24%-26%, stearic acid 0.7%-0.9%, PE0.7%-0.9%, carbon black 0.1%-0.3%, stabilizer 0.7%-0.9% With dacron thread 19%-21%, the sum of each substance weight is 100%.
It is combined by less eight kinds simple materials, manufactures fire hose, so that the manufacture of water band is become easier, make The fire hose wearability created is strong.
Reference table one
Compressive property introduction figure
Table one
Scheme one：By the way that polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread are carried out The ratio of proportioning is followed successively by：34%, 16%, 27%, 0.9%, 0.9%, 0.3%, 0.9%, 20%, by by main component The percentage of polyvinyl chloride resin and hydrogen calcium powder be lowered to 34% and 16%, and by by dibutyl ester, stearic acid, PE, carbon Black, stabilizer turns up 27%, 0.9%, 0.9%, 0.3%, 0.9% full blast accordingly, and dacron thread percentage is kept not become 20%, it is tested by test pressure 1.2MPa, as a result water band bursts when 1.2MPa, pressure is gradually lowered, when pressure is The case where water band occurs when 0.4MPa is more steady, and suitable staff operates, but the 0.4MPa born can not make Hydraulic pressure carries out high strength spray, is not suitable for carrying out fire-fighting fire extinguishing, main polyvinyl chloride resin and hydrogen calcium powder are main component, and polyvinyl chloride resin is One polarity amorphism high polymer has stronger active force between molecule, is a hard and crisp material, by coordinating it His dibutyl ester, stearic acid, PE, carbon black, stabilizer etc., which play, assists this hard and crisp characteristic of stable polyvinyl chloride resin, but PVC Percent resin is relatively low to lead to dibutyl ester, stearic acid, PE, carbon black, stabilizer excessive addition so that crushing resistance reduces, and leads to The property for crossing hydrogen calcium powder has increase small product size, reduces cost, improves processing performance (as adjusted viscosity, rheological property, sulphur Change performance), dimensional stability, reinforcement or half reinforcement are improved, printing performance is improved, improves physical property (such as heat resistance, delustring Property, wearability, anti-flammability, whiteness, glossiness) etc. performances, raw material can be reduced and put into and can guarantee volume, and because thrown It is few to enter amount, it is bad to result in reinforcing effect, so that entire compression declines.
Scheme two：By the way that polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread are carried out The ratio of proportioning successively 35%, 16.4%, 26%, 0.8%, 0.8%, 0.2%, 0.8%, 20%, by by main component PVC The percentage of resin and hydrogen calcium powder be transferred to 35% and 16.4%, and by by dibutyl ester, stearic acid, PE, carbon black, Stabilizer is transferred to successively accordingly most arrives median 26%, and 0.8%, 0.8%, 0.2%, 0.8%, and keep dacron thread percentage Do not become 20%, is tested by test pressure 1.2MPa, as a result water band does not burst when 1.2MPa, and pressure is gradually raised, The case where water band bursts, test pressure is transferred to 0.8MPa when pressure is 2.5MPa is more steady, is suitble to staff It is operated, and 0.8MPa is water band operating pressure optimum state, it is 2.5 ratios 2.3- in the market to enable to minimum burst pressure The pressure of 2.4MPa is taller, is most preferred embodiment.
Scheme three：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread are matched Ratio be followed successively by：36%, 16.8%, 25%, 0.7%, 0.7%, 0.1%, 0.7%, 20%, by by main component PVC The percentage of resin and hydrogen calcium powder carries out being transferred to 36% and 16.8%, and dibutyl ester is transferred to 25%, by by stearic acid, PE, carbon black, stabilizer are transferred to successively accordingly most arrives minimum 0.7%, and 0.7%, 0.1%, 0.7%, keep dacron thread percentage Than not becoming 20%, tested by test pressure 1.2MPa, as a result water band does not burst when 1.2MPa, by pressure it is gradual on The case where tune, water band bursts, test pressure is transferred to 0.6MPa when pressure is 1.8MPa, is more steady, is suitble to work people Member is operated, by reducing price is low but plasticization effect is excellent dibutyl ester, can make a large amount polyvinyl chloride resin and hydrogen calcium powder without Method all neutralizes and plasticising, the dispensing for causing local plasticization effect poor, and coordinating relatively low amount complementary, the stablizing effect played Relatively low, the meeting stirred evenly in addition makes entire compression decline, and stirring is non-uniform to cause local instability's compressive property poor, and The 2.4MPa of minimum burst pressure also more in the market is also low.
It is prepared using optimum formula percentage, prepares that steps are as follows：Stock, front travel, granulation and extrusion；
(1) it stocks up：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread；By by PVC Resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread；Above-mentioned material is separated according to best in order Proportioning is stocked up,
(2) front travel：
a：Stirring：By the way that by polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer, all mixing is put into It is stirred in blender, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer is made be sufficiently stirred It is even；
b：Ligament：Ligament is carried out into made-up belt by the way that dacron thread to be put into ligament machine；
(3) it is granulated：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer are put into after evenly mixing Comminutor is granulated, and plastic pellet is become.
(4) it squeezes out：It is squeezed out by the way that made-up belt and plastic pellet to be put into extruder, squeezes out aftershaping and smeared for plastic pellet It is three layers of water band in made-up belt both sides, three layers of water band outermost layer plastic pellet surface integrally generate several stiffeners.
Two branching steps of stirring and ligament in second front travel can be separated and are carried out at the same time, can also successively into Row, but stirring is different with two kinds of process products of ligament, and stirring is by polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black With stabilizer uniform stirring resulting mixture, and ligament is by dacron thread ligament into made-up belt, and two orthogonal, is preferably carried out at the same time Process time is reduced, optimization production reaches time saving and improves efficiency.
Made-up belt and plastic pellet are put into extruder in 4th extrusion and squeezed out, by making made-up belt both sides smear Plastics after plastic pellet thawing form three layers of water band, and by same extruder by outermost plastics one-pass molding, and are formed Several stiffeners of surface become the 4th layer by stiffener, further improve whole compression strength, and logical stiffener Design can make to reduce water band body and bottom surface contact area during use so that work when abrasion subtract It is few, it first wears stiffener and wears outermost plastic layer again later so that the abrasion resistant effect of water band is reinforced, and service life obtains To increase.
The present invention is further：The stirring required time of the second step is -25 minutes 15 minutes.
When being 15 minutes between upon agitation, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black in blender Be stirred with stabilizer be susceptible to stirring it is uneven, occur part it is uneven, leading to the product squeezed out below, there are offices Portion's compressive effect difference situation.
When being 25 minutes between upon agitation, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE in blender, Carbon black and stabilizer are stirred uniform, but will appear because friction generates heat for prolonged stirring appearance, the time of stirring It is enough enough long uniform, some Particle Breakages can be caused, the heat generated by the external world is dissolved, hydrogen calcium powder, dibutyl ester fusing point It is not high, it is easy to it is poor so as to cause expected effect and compressive effect because high temperature is dissolved, whole crushing resistance is influenced, And wearability when in use is deteriorated.
When being 20 minutes between upon agitation, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, the tristearin in blender are enabled to Acid, PE, carbon black and stabilizer are stirred mixing, and that is stirred when than 15 minutes is more uniform, and will not be stirred because of excessive It mixes so that whole generate heat, and is not in the fusing point that temperature reaches hydrogen calcium powder, dibutyl ester in mixture, so that whole stirring Integrality that is uniform and can guarantee mixture, convenient for processing below, so it is best mixing time that mixing time, which is 20 minutes,.
The present invention is further：The extrusion of the four steps needs preheating -40 minutes 30 minutes, 80 DEG C -170 of preheating temperature ℃。
Being extruded through in four steps is squeezed out in extruder, and preheating time is 30-40 minutes, preheating temperature Degree is 80 DEG C to 170 DEG C, and the temperature of four parts in squeezing out can be enable within logical 30 minutes to 40 minutes to realize one step by step Be incremented by situation, lead to 80 DEG C of first part, 100 DEG C of second part, 130 DEG C of Part III, 170 DEG C of Part IV, lead to plastics It grain and is put into extruder and is squeezed out with made-up belt, be not disposably to be generated by high temperature, disposable high-temperature molding can cause to mould Great change occurs for material, and be susceptible to it is internal melt uneven, cause entire compression ability to decline, not by four in extruder Synthermal setting slowly carries out improving temperature carrying out extrusion molding by heating step by step so that polyvinyl chloride resin, hydrogen calcium powder, Dibutyl ester, stearic acid, PE, carbon black and stabilizer can be sufficiently mixed molding, ensure that the thorough of synthesis, to avoid the occurrence of portion Divide and does not cooperate to result in compressive property decline.
A kind of fire hose prepared out by the above method, including water band body, the water band body are the first plastic layer, It is cased with the second plastic layer outside first plastic layer, polyester layer is equipped between first plastic layer and the second plastic layer, it is described It is integrally formed with stiffener outside second plastic layer, the stiffener is away from being placed on the second plastic layer.
So that belonging to water band becomes three layers by the technical solution, and water belt surface is additionally provided with stiffener, passes through the stiffener Design first to wear stiffener at work, allow stiffener polish after flushed with the second plastic layer, then start to grind The second plastic layer is damaged, by the use of the material of formula itself, in addition the improvement in structure makes wearability and the resistance to compression of water band Property is further enhanced.
A kind of die head of the extruder of compounding method for fire hose, including die head body, the die head body It is interior to be equipped with positioning chamber 102, fluted 103 are evenly distributed on the inner wall of the positioning chamber 102,103 shape of the groove can be semicircle Shape or polygon.
The present invention is further：The groove 103 of the polygon can be triangle or square or pentagon or six sides Shape or octagon.
Pass through the groove 103 on the positioning chamber 102 that is equipped in the die head so that water belt surface can be evenly arranged Stiffener, and first wear water belt surface stiffener during use, play anti-wear, prolong the service life, add The shape difference form design of upper groove 103, enables to when initial contact, according to the groove 103 of different shapes, Keep contact area different, the contact area on fire hose surface and ground fewer abrasion different so as to cause abrasive effect It is fewer.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, and those skilled in the art exists Common variations and alternatives are carried out within the scope of technical solution of the present invention should all be included within the scope of the present invention.

Claims (5)

1. a kind of compounding method of fire hose, prepare that steps are as follows：Stock, front travel, granulation and extrusion；
(1) it stocks up：The formula includes polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black, stabilizer and dacron thread, institute The formula is stated to prepare by weight percentage：Polyvinyl chloride resin 35%, hydrogen calcium powder 16.4%, dibutyl ester 26%, stearic acid 0.8%, PE0.8%, carbon black 0.2%, stabilizer 0.8% and dacron thread 20%, the sum of each substance weight are 100%；
(2) front travel：
a：Stirring：By the way that by polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer, all stirring is put in mixing into It is stirred in machine, polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer is made to be stirred；
b：Ligament：Ligament is carried out into made-up belt by the way that dacron thread to be put into ligament machine；
(3) it is granulated：Polyvinyl chloride resin, hydrogen calcium powder, dibutyl ester, stearic acid, PE, carbon black and stabilizer are put into granulation after evenly mixing Machine is granulated, and plastic pellet is become
(4) it squeezes out：It is squeezed out by the way that made-up belt and plastic pellet to be put into extruder, plastic pellet is applied to made-up belt two after extrusion Side, is shaped to three layers of water band, and three layers of water band outermost layer plastic pellet surface integrally generate several stiffeners.
2. a kind of compounding method of fire hose according to claim 1, it is characterized in that：A steps in the front travel It is separately carried out simultaneously with b step.
3. a kind of compounding method of fire hose according to claim 1, it is characterized in that：The stirring institute of front travel step The time needed is -25 minutes 15 minutes.
4. a kind of compounding method of fire hose according to claim 1, it is characterized in that：The extrusion of extrusion step needs pre- Heat -40 minutes 30 minutes, 80 DEG C -170 DEG C of preheating temperature.
5. a kind of fire hose prepared out by claim 2, including water band body, it is characterized in that：The water band body is the One plastic layer, first plastic layer are cased with the second plastic layer outside, are equipped with and wash between first plastic layer and the second plastic layer Synthetic fibre layer, is integrally formed with stiffener outside second plastic layer, and the stiffener is away from being placed on the second plastic layer.
CN201510061024.2A 2015-02-05 2015-02-05 A kind of fire hose and preparation method thereof Active CN104725738B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN109621266B (en) * 2018-10-24 2020-11-20 永康市博邦工贸有限公司 Insect-proof fire hose and production process thereof
CN110444323B (en) * 2019-08-02 2020-02-14 铭品电缆集团股份有限公司 Flexible wear-resistant cross embedded rubber cable and preparation method thereof
CN115355038B (en) * 2022-08-22 2024-07-26 湖南科技大学 Grouting fire prevention and extinguishing device and method for working faces with different self-adaption inclination angles

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Publication number Priority date Publication date Assignee Title
CN201264353Y (en) * 2008-07-08 2009-07-01 柳州市桥厦工程管材有限公司 Once-forming apparatus of spiral type double-wall corrugated pipe

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CN102518881B (en) * 2011-11-30 2015-04-01 泉州市三星消防设备有限公司 Preparation method of fire hose
CN103160042A (en) * 2011-12-09 2013-06-19 沈阳妙盛置业有限公司 Composite material for lining of fire-fighting hose and preparation method for same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201264353Y (en) * 2008-07-08 2009-07-01 柳州市桥厦工程管材有限公司 Once-forming apparatus of spiral type double-wall corrugated pipe

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Denomination of invention: The invention relates to a fire hose and a preparation method thereof

Effective date of registration: 20210910

Granted publication date: 20181113

Pledgee: Zhejiang Rural Commercial Bank of China branch of Limited by Share Ltd.

Pledgor: LINHAI SHUANGFENG RUBBER & PLASTIC Co.,Ltd.

Registration number: Y2021330001525