阅读说明：本技术 一种耐腐蚀的hdpe排水管及其制备方法 (Corrosion-resistant HDPE (high-density polyethylene) drainage pipe and preparation method thereof ) 是由 刘俊峰 汪进南 王�华 于 2021-08-03 设计创作，主要内容包括：本发明公开一种耐腐蚀的HDPE排水管及其制备方法,通过十二烷基苯磺酸不仅可以更好促进8－羟基喹啉的溶解,而且具有较高的黏度,可以更好的分散8－羟基喹啉及生成的8－羟基喹啉铜,减少8－羟基喹啉铜的团聚现象,提高8－羟基喹啉铜的化学活性及防霉菌性,母料的制备过程中引入酚酞第三单体,将聚酯大分子链中的柔性二乙醇部分用刚性酚酞基团代替,从而形成刚性二酸单体与刚性酚酞单体相连的片段,增强整个分子的刚性和结晶性能,提高玻璃化转变温度和熔点,使得制备得到的耐腐蚀的HDPE排水管具有良好的抗老化性能及耐腐蚀性能,根据GB 1035-70测得,该耐腐蚀的HDPE排水管的最大分解温度为310-330℃。(The invention discloses a corrosion-resistant HDPE drain pipe and a preparation method thereof, which can better promote the dissolution of 8-hydroxyquinoline through dodecyl benzene sulfonic acid, has higher viscosity, can better disperse the 8-hydroxyquinoline and the generated 8-hydroxyquinoline copper, reduce the agglomeration phenomenon of the 8-hydroxyquinoline copper, improve the chemical activity and the mould resistance of the 8-hydroxyquinoline copper, introduce a phenolphthalein third monomer in the preparation process of a master batch, replace a flexible diethanol part in a polyester macromolecular chain with a rigid phenolphthalein group, thereby forming a segment connecting a rigid diacid monomer and a rigid phenolphthalein monomer, enhancing the rigidity and the crystallization property of the whole molecule, improving the glass transition temperature and the melting point, leading the prepared corrosion-resistant HDPE drain pipe to have good ageing resistance and corrosion resistance, and being measured according to GB1035-70, the maximum decomposition temperature of the corrosion-resistant HDPE drain pipe is 310-330 ℃.)

1. The preparation method of the corrosion-resistant HDPE drain pipe is characterized by comprising the following steps:

the method comprises the following steps: adding 8-hydroxyquinoline, copper chloride, dodecylbenzene sulfonic acid, water, sodium carbonate and ethanol into a reaction kettle, stirring, washing with clear water, filtering, washing with ethanol, drying to obtain a mixture A, adding HDPE resin, a polythiol curing agent, triphenyl phosphite and aminopropylmethyldiethoxysilane into an internal mixer, and preparing to obtain a mixture B;

step two: adding the mixture A, the mixture B, isophthalic acid, ethylene glycol, phenolphthalein, a catalyst and an antioxidant into a reaction kettle, stirring, heating for esterification, adding a stabilizer into an obtained product after the esterification is finished, carrying out polycondensation reaction under vacuum, discharging, cooling and granulating after the polycondensation is finished, so as to obtain a mixed master batch;

step three: and adding the mixed master batch and the reinforced master batch into an internal mixer, then putting the mixture into an extruder, extruding to obtain a semi-finished pipe, conveying the semi-finished pipe to processing equipment for cutting, and obtaining the corrosion-resistant HDPE drain pipe.

2. The method for preparing the corrosion-resistant HDPE drain pipe according to claim 1, wherein the raw materials in the mixed master batch comprise the following components in parts by weight: 80-95 parts of mixture A, 85-100 parts of mixture B, 40-60 parts of isophthalic acid, 25-35 parts of ethylene glycol, 10-15 parts of phenolphthalein, 0.8-1.5 parts of catalyst, 1-1.4 parts of antioxidant and 0.6-1.6 parts of stabilizer.

3. The method for preparing the corrosion-resistant HDPE drain pipe according to claim 1, wherein the working process of the processing equipment is as follows:

the extruded semi-finished pipe enters a rotary channel (205), three limiting belts on three limiting frames (213) are in contact with the outer surface of the semi-finished pipe, the three limiting belts are used for conveying the semi-finished pipe, the semi-finished pipe is conveyed into a circulating channel (304) at the lowest part of a fixing frame (300), a friction plate (208) is in contact with the surface of the semi-finished pipe, the semi-finished pipe is fixedly clamped, a cutting disc (403) rotates, the semi-finished pipe rotates, scraps generated in the cutting process fall into a scrap collecting box (400), the semi-finished pipe completes cutting after rotating for one circle to obtain a corrosion-resistant HDPE drain pipe, the circulating channel (304) provided with the corrosion-resistant HDPE drain pipe moves to one side of an atomizing nozzle (502) for cleaning, then the circulating channel (304) provided with the corrosion-resistant HDPE drain pipe moves to one side of a drying nozzle (601) for drying, then the circulating channel (304) provided with the corrosion-resistant HDPE drain pipe moves to one side of the cleaning brush (703) for cleaning, then the circulating channel (304) provided with the corrosion-resistant HDPE drain pipe moves to one side of the pipe outlet (101), and the pipe pushing block (801) pushes the corrosion-resistant HDPE drain pipe out of the circulating channel (304) and pushes the corrosion-resistant HDPE drain pipe out of the processing chamber (100) through the pipe outlet (101).

4. The corrosion-resistant HDPE drain pipe prepared by the preparation method is characterized by being prepared from the following raw materials in parts by weight: 80-95 parts of 8-hydroxyquinoline, 75-82 parts of copper chloride, 18-26 parts of dodecylbenzene sulfonic acid, 5-9 parts of water, 24-40 parts of sodium carbonate, 5-12 parts of ethanol, 55-70 parts of HDPE resin, 4-8 parts of polythiol curing agent, 0.5-1.5 parts of triphenyl phosphite, 1-2 parts of aminopropyl methyl diethoxysilane, 40-60 parts of isophthalic acid, 25-35 parts of ethylene glycol, 10-15 parts of phenolphthalein, 0.8-1.5 parts of catalyst, 1-1.4 parts of antioxidant, 0.6-1.6 parts of stabilizer and 1-2 parts of reinforcing master batch.

Technical Field

The invention relates to the technical field of HDPE drain pipe processing, in particular to a corrosion-resistant HDPE drain pipe and a preparation method thereof.

Background

The HDPE drain pipe is a general name of a thermoplastic circular pipe which is mainly made of high-density polyethylene resin and is used for no internal pressure effect by adopting an extrusion molding process. The HDPE drain pipe is a replacement product of the traditional steel pipe and polyvinyl chloride drain pipe, mainly undertakes the drainage tasks of rainwater, sewage, farmland irrigation and drainage, and is widely applied to the drainage fields of highways, railway roadbeds, subway engineering, waste landfill sites, tunnels, greenbelts, playgrounds, side slope protection caused by high water content and the like, and underground irrigation and drainage systems of agriculture and horticulture.

The integral strength, heat resistance and corrosion resistance of current HDPE drain pipe are not good, in HDPE drain pipe production process, need wash, dry, clean the processing steps such as the cutting position of the HDPE drain pipe after the cutting, the required area of above station is big, leads to the crowding of workshop and factory building easily, and the stability of HDPE drain pipe cutting on conveying equipment is not good simultaneously.

Disclosure of Invention

The invention aims to provide a corrosion-resistant HDPE drain pipe and a preparation method thereof, and solves the following technical problems: (1) the technical problems of poor overall strength, heat resistance and corrosion resistance of the HDPE drain pipe in the prior art are solved; (2) the problem of among the prior art HDPE drain pipe the not good technique of stability of cutting on conveying equipment is solved. (3) The HDPE drain pipe cutting machine solves the technical problems that in the prior art, after cutting, the HDPE drain pipe needs to be cleaned, dried, cleaned and the like, the occupied area of the stations is large, and production in a factory is not facilitated.

The purpose of the invention can be realized by the following technical scheme:

a preparation method of a corrosion-resistant HDPE drain pipe comprises the following steps:

the method comprises the following steps: adding 8-hydroxyquinoline, copper chloride, dodecylbenzene sulfonic acid, water, sodium carbonate and ethanol into a reaction kettle, stirring, washing with clear water, filtering, washing with ethanol, drying to obtain a mixture A, adding HDPE resin, a polythiol curing agent, triphenyl phosphite and aminopropylmethyldiethoxysilane into an internal mixer, and preparing to obtain a mixture B;

step two: adding the mixture A, the mixture B, isophthalic acid, ethylene glycol, phenolphthalein, a catalyst and an antioxidant into a reaction kettle, stirring, heating for esterification, adding a stabilizer into an obtained product after the esterification is finished, carrying out polycondensation reaction under vacuum, discharging, cooling and granulating after the polycondensation is finished, so as to obtain a mixed master batch;

step three: and adding the mixed master batch and the reinforced master batch into an internal mixer, then putting the mixture into an extruder, extruding to obtain a semi-finished pipe, conveying the semi-finished pipe to processing equipment for cutting, and obtaining the corrosion-resistant HDPE drain pipe.

Further, the mixture A comprises the following raw materials in parts by weight: 80-95 parts of 8-hydroxyquinoline, 75-82 parts of copper chloride, 18-26 parts of dodecylbenzene sulfonic acid, 5-9 parts of water, 24-40 parts of sodium carbonate and 5-12 parts of ethanol.

Further, the mixture B comprises the following raw materials in parts by weight: 55-70 parts of HDPE resin, 4-8 parts of polythiol curing agent, 0.5-1.5 parts of triphenyl phosphite and 1-2 parts of aminopropyl methyl diethoxy silane.

Further, the mixed master batch comprises the following raw materials in parts by weight: 80-95 parts of mixture A, 85-100 parts of mixture B, 40-60 parts of isophthalic acid, 25-35 parts of ethylene glycol, 10-15 parts of phenolphthalein, 0.8-1.5 parts of catalyst, 1-1.4 parts of antioxidant and 0.6-1.6 parts of stabilizer.

Further, the corrosion-resistant HDPE drain pipe is prepared from the following raw materials in parts by weight: 80-95 parts of 8-hydroxyquinoline, 75-82 parts of copper chloride, 18-26 parts of dodecylbenzene sulfonic acid, 5-9 parts of water, 24-40 parts of sodium carbonate, 5-12 parts of ethanol, 55-70 parts of HDPE resin, 4-8 parts of polythiol curing agent, 0.5-1.5 parts of triphenyl phosphite, 1-2 parts of aminopropyl methyl diethoxysilane, 40-60 parts of isophthalic acid, 25-35 parts of ethylene glycol, 10-15 parts of phenolphthalein, 0.8-1.5 parts of catalyst, 1-1.4 parts of antioxidant, 0.6-1.6 parts of stabilizer and 1-2 parts of enhanced master batch.

Further, the preparation process of the reinforced master batch is as follows: carrying out surface treatment on nano carbon black by using a surface synergist and a hyper-dispersant in an atomizing and spraying manner, drying to obtain pretreated nano carbon black for later use, weighing 30-35 parts by weight of PE resin, 20-30 parts by weight of the pretreated nano carbon black, 1-2 parts by weight of a lubricant, 1-3 parts by weight of a processing aid, 0.8-1.6 parts by weight of an antioxidant and 1-2 parts by weight of a light stabilizer, and carrying out banburying, extrusion and granulation to obtain the high-gloss reinforced master batch, wherein the banburying process temperature is 140 ℃ and 165 ℃, the granulation temperature is 180 ℃ and 195 ℃, the lubricant is a polyolefin oligomer, the processing aid is an ethylene copolymer, the antioxidant is a hindered phenol antioxidant, the surface synergist is titanate, the light stabilizer is a benzotriazole ultraviolet absorbent, and the hyper-dispersant is a polyolefin hyper-dispersant.

Further, the working process of the processing equipment is as follows:

the extruded semi-finished pipe enters a rotating channel, an output shaft of a micromotor drives a ball screw to rotate, the ball screw drives two adjusting sleeves to move oppositely, the two adjusting sleeves are matched with four connecting rods to drive a limiting frame to move out of a strip-shaped shell, then three limiting belts on the three limiting frames are contacted with the outer surface of the semi-finished pipe, an output shaft of a conveying motor drives belt pulleys to rotate, a plurality of belt pulleys drive the limiting belts to rotate, the three limiting belts convey the semi-finished pipe, the semi-finished pipe is conveyed into a circulating channel at the lowest part of a fixing frame, before cutting, a limiting cylinder piston rod pushes a friction plate, the friction plate is contacted with the surface of the semi-finished pipe, the semi-finished pipe is fixedly clamped, then an air cylinder piston rod is installed to push a dustproof shell, the output shaft of the cutting motor drives a cutting disc to rotate, and the output shaft of the rotating motor drives a rotating wheel to rotate, the rotating wheel drives the rotating ring to rotate through a belt, the rotating ring drives the rotating channel to rotate, and further drives the semi-finished pipe to rotate, scraps generated in the cutting process fall into a scrap collecting box, the semi-finished pipe is cut after rotating for a circle to obtain a corrosion-resistant HDPE drain pipe, then the output shaft of the circulating motor drives the mounting gear to rotate, the mounting gear drives the mounting fluted disc to rotate through a chain, the mounting fluted disc coaxially drives the driving disc to rotate, the driving disc is matched with the driving chain to drive the connecting sheet to rotate, the connecting sheet drives the circulating channel to rotate, the circulating channel provided with the corrosion-resistant HDPE drain pipe moves to one side of the atomizing nozzle, the water in the water tank is pumped by the water pump and is sprayed at the cutting position of the corrosion-resistant HDPE drain pipe through the atomizing nozzle, the cutting position of the corrosion-resistant HDPE drain pipe is cleaned, and then the circulating channel provided with the corrosion-resistant HDPE drain pipe moves to one side of the drying nozzle, drying fan dries corrosion-resistant HDPE drain pipe cutting position through the stoving shower nozzle, then the circulation channel that is equipped with corrosion-resistant HDPE drain pipe removes to cleaning brush one side, fixed cylinder piston rod promotes the connecting plate, the connecting plate passes through driving motor and drives cleaning brush and remove to corrosion-resistant HDPE drain pipe cutting position department, the driving motor output shaft drives cleaning brush and rotates, cleaning brush cleans the remaining sweeps of corrosion-resistant HDPE drain pipe cutting position, then the circulation channel that is equipped with corrosion-resistant HDPE drain pipe removes to mouth of pipe one side, ejector sleeve cylinder piston rod promotes the ejector sleeve piece, the ejector sleeve piece is released corrosion-resistant HDPE drain pipe from circulation channel in, and release the process chamber through the mouth of pipe.

The invention has the beneficial effects that:

(1) according to the corrosion-resistant HDPE drain pipe and the preparation method thereof, the dodecyl benzene sulfonic acid can better promote the dissolution of 8-hydroxyquinoline, has higher viscosity, can better disperse the 8-hydroxyquinoline and the generated 8-hydroxyquinoline copper, reduces the agglomeration phenomenon of the 8-hydroxyquinoline copper, improves the chemical activity and the mould resistance of the 8-hydroxyquinoline copper, introduces a phenolphthalein third monomer in the preparation process of the master batch, replaces the flexible diethanol part in the polyester macromolecular chain with a rigid phenolphthalein group, thereby forming a segment connecting a rigid diacid monomer and a rigid phenolphthalein monomer, enhancing the rigidity and the crystallization property of the whole molecule, improving the glass transition temperature and the melting point, leading the prepared corrosion-resistant HDPE drain pipe to have good ageing resistance and corrosion resistance, and being measured according to GB1035-70, the maximum decomposition temperature of the corrosion-resistant HDPE drainage pipe is 310-330 ℃;

(2) the output shaft of the micromotor drives the ball screw to rotate, the ball screw drives the two adjusting sleeves to move oppositely, the two adjusting sleeves are matched with the four connecting rods to drive the limiting frames to move out of the strip-shaped shell, then three limiting belts on the three limiting frames are contacted with the outer surface of a semi-finished pipe, the output shaft of the conveying motor drives the belt pulleys to rotate, the belt pulleys drive the limiting belts to rotate, the three limiting belts convey the semi-finished pipe, the semi-finished pipe is conveyed into a circulation channel at the lowest part of the fixing frame, before cutting, a limiting cylinder piston rod pushes a friction plate, the friction plate is contacted with the surface of the semi-finished pipe, the semi-finished pipe is fixedly clamped, the three adjustable limiting frames on the conveying mechanism can meet the conveying and limiting of pipes with different diameters, and meanwhile, through the arrangement of a limiting cylinder and the friction plate in the strip-shaped shell, in the pipe cutting process, the friction plate is added to fasten multiple points of the pipe, so that the deviation and shaking conditions in the pipe cutting process can be effectively avoided;

(3) the dustproof shell is pushed by an installation air cylinder piston rod, a cutting motor output shaft drives a cutting disc to rotate, the rotating motor output shaft drives a rotating wheel to rotate, the rotating wheel drives a rotating ring to rotate through a belt, the rotating ring drives a rotating channel to rotate so as to drive a semi-finished pipe to rotate, scraps generated in the cutting process fall into a scrap collecting box, the semi-finished pipe completes cutting after rotating for one circle, a corrosion-resistant HDPE drain pipe is obtained, then a circulating motor output shaft drives an installation gear to rotate, the installation gear drives an installation fluted disc to rotate through a chain, the installation fluted disc coaxially drives a transmission disc to rotate, the transmission disc is matched with the transmission chain to drive a connecting sheet to rotate, the connecting sheet drives a circulating channel to rotate, the circulating channel provided with the corrosion-resistant HDPE drain pipe moves to one side of an atomizing nozzle, a water pump extracts water in a water tank and sprays the water at the cutting position of the corrosion-resistant HDPE drain pipe through the atomizing nozzle, cleaning the cutting position of a corrosion-resistant HDPE drain pipe, moving a circulation channel provided with the corrosion-resistant HDPE drain pipe to one side of a drying nozzle, drying the cutting position of the corrosion-resistant HDPE drain pipe by a drying fan through the drying nozzle, moving the circulation channel provided with the corrosion-resistant HDPE drain pipe to one side of a cleaning brush, pushing a connecting plate by a fixed cylinder piston rod, driving the cleaning brush to move to the cutting position of the corrosion-resistant HDPE drain pipe by the connecting plate through a driving motor, driving the cleaning brush to rotate by an output shaft of the driving motor, cleaning residual scraps at the cutting position of the corrosion-resistant HDPE drain pipe by the cleaning brush, moving the circulation channel provided with the corrosion-resistant HDPE drain pipe to one side of an outlet pipe, pushing a push pipe block by a push pipe cylinder piston rod, pushing the corrosion-resistant HDPE drain pipe out of the circulation channel by the push pipe block, and setting a fixed frame and a corresponding circulation structure in a processing chamber, make required washing behind the cutting of whole tubular product, dry, three operating procedure that cleans can all go on in the machining chamber, reduce the required station of washing of whole equipment, the area of drying the station and cleaning the station, do benefit to and use in the factory building, through the setting of a plurality of circulated circulation passageways on the mount, can just cut simultaneously respectively, wash, dry, four processing of cleaning the different corrosion-resistant HDPE drain pipes, guarantee the machining efficiency of whole tubular product.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic view of the construction of the processing apparatus of the present invention;

FIG. 3 is a schematic view of the construction of the transport mechanism of the present invention;

FIG. 4 is an internal structural view of a fixed-side case of the present invention;

FIG. 5 is an internal structural view of the strip casing of the present invention;

FIG. 6 is a view showing the internal structure of the processing chamber of the present invention;

FIG. 7 is a schematic view of the structure of the fixing frame of the present invention;

FIG. 8 is a drive view of the drive plate of the present invention;

FIG. 9 is an installed view of the dust cover of the present invention;

figure 10 is an installed view of the sweeper brush of the present invention.

In the figure: 100. a processing chamber; 101. an outlet pipe orifice; 200. a conveying mechanism; 201. a fixed-side case; 202. a rotating electric machine; 203. a rotating wheel; 204. a rotating ring; 205. a rotating channel; 206. a strip-shaped shell; 207. a limiting cylinder; 208. a friction plate; 209. a micromotion motor; 210. a ball screw; 211. an adjusting sleeve; 212. a connecting rod; 213. a limiting frame; 214. a conveying motor; 300. a fixed mount; 301. fixing a rail disc; 302. a drive chain; 303. connecting sheets; 304. a circulation channel; 305. a circulating motor; 306. mounting a gear; 307. mounting a fluted disc; 308. a drive plate; 400. a scrap collecting box; 401. mounting a cylinder; 402. a dust-proof shell; 403. cutting the disc; 404. cutting the motor; 500. a water tank; 501. a water pump; 502. an atomizing spray head; 600. drying the fan; 601. drying the spray head; 700. fixing the air cylinder; 701. a connecting plate; 702. a drive motor; 703. cleaning with a brush; 800. a pipe pushing cylinder; 801. and (5) pushing the pipe block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-10

Example 1

A preparation method of a corrosion-resistant HDPE drain pipe comprises the following steps:

the method comprises the following steps: adding 8-hydroxyquinoline, copper chloride, dodecylbenzene sulfonic acid, water, sodium carbonate and ethanol into a reaction kettle, stirring, washing with clear water, filtering, washing with ethanol, drying to obtain a mixture A, adding HDPE resin, a polythiol curing agent, triphenyl phosphite and aminopropylmethyldiethoxysilane into an internal mixer, and preparing to obtain a mixture B;

step two: adding the mixture A, the mixture B, isophthalic acid, ethylene glycol, phenolphthalein, a catalyst and an antioxidant into a reaction kettle, stirring, heating for esterification, adding a stabilizer into an obtained product after the esterification is finished, carrying out polycondensation reaction under vacuum, discharging, cooling and granulating after the polycondensation is finished, so as to obtain a mixed master batch;

step three: the mixed master batch and the reinforced master batch are added into an internal mixer and then are put into an extruder to be extruded to obtain a semi-finished pipe, the extruded semi-finished pipe enters a rotary channel 205, an output shaft of a micromotor 209 drives a ball screw 210 to rotate, the ball screw 210 drives two adjusting sleeves 211 to move oppositely, the two adjusting sleeves 211 are matched with four connecting rods 212 to drive a limiting frame 213 to move out of a strip-shaped shell 206, three limiting belts on the three limiting frames 213 are contacted with the outer surface of the semi-finished pipe, an output shaft of a conveying motor 214 drives belt pulleys to rotate, a plurality of belt pulleys drive the limiting belts to rotate, the three limiting belts convey the semi-finished pipe, the semi-finished pipe is conveyed into a circulating channel 304 at the lowest part of a fixing frame 300, before cutting, a piston rod of a limiting cylinder 207 pushes a friction plate 208, the friction plate 208 is contacted with the surface of the semi-finished pipe to fixedly clamp the semi-finished pipe, then a piston rod of the installation cylinder 401 pushes the dustproof shell 402, an output shaft of the cutting motor 404 drives the cutting disc 403 to rotate, an output shaft of the rotating motor 202 drives the rotating wheel 203 to rotate, the rotating wheel 203 drives the rotating ring 204 to rotate through a belt, the rotating ring 204 drives the rotating channel 205 to rotate, and further drives the semi-finished pipe to rotate, scraps generated in the cutting process fall into the scrap collecting box 400, the semi-finished pipe is cut after rotating for a circle to obtain a corrosion-resistant HDPE drain pipe, an output shaft of the circulating motor 305 drives the installation gear 306 to rotate, the installation gear 306 drives the installation fluted disc 307 to rotate through a chain, the installation fluted disc 307 coaxially drives the driving disc 308 to rotate, the driving disc 308 is matched with the driving chain 302 to drive the connecting sheet 303 to rotate, the connecting sheet 303 drives the circulating channel 304 to rotate, the circulating channel 304 provided with the corrosion-resistant HDPE drain pipe moves to one side of the atomizing nozzle 502, and the water pump 501 pumps water in the water tank 500, the cleaning agent is sprayed to the cutting position of the corrosion-resistant HDPE drain pipe through the atomizing nozzle 502 to clean the cutting position of the corrosion-resistant HDPE drain pipe, then the circulation channel 304 provided with the corrosion-resistant HDPE drain pipe moves to one side of the drying nozzle 601, the drying fan 600 dries the cutting position of the corrosion-resistant HDPE drain pipe through the drying nozzle 601, then the circulation channel 304 provided with the corrosion-resistant HDPE drain pipe moves to one side of the cleaning brush 703, the piston rod of the fixed air cylinder 700 pushes the connecting plate 701, the connecting plate 701 drives the cleaning brush 703 to move to the cutting position of the corrosion-resistant HDPE drain pipe through the driving motor 702, the output shaft of the driving motor 702 drives the cleaning brush 703 to rotate, the cleaning brush 703 cleans the waste scraps remained at the cutting position of the corrosion-resistant HDPE drain pipe, then the circulation channel 304 provided with the corrosion-resistant HDPE drain pipe moves to one side of the pipe outlet 101, and the piston rod of the push pipe cylinder 800 pushes the push pipe block 801, the pipe pushing block 801 pushes the corrosion-resistant HDPE drain pipe out of the circulation channel 304 and out of the process chamber 100 through the outlet pipe port 101.

Specifically, the mixture A comprises the following raw materials in parts by weight: 80 parts of 8-hydroxyquinoline, 75 parts of copper chloride, 18 parts of dodecylbenzene sulfonic acid, 5 parts of water, 24 parts of sodium carbonate and 5 parts of ethanol.

The mixture B comprises the following raw materials in parts by weight: 55 parts of HDPE resin, 4 parts of polythiol curing agent, 0.5 part of triphenyl phosphite and 1 part of aminopropyl methyl diethoxy silane.

The mixed master batch comprises the following raw materials in parts by weight: 80 parts of mixture A, 85 parts of mixture B, 40 parts of isophthalic acid, 25 parts of ethylene glycol, 10 parts of phenolphthalein, 0.8 part of catalyst, 1 part of antioxidant and 0.6 part of stabilizer.

The preparation process of the reinforced master batch is as follows: the preparation method comprises the following steps of carrying out surface treatment on nano carbon black by using a surface synergist and a hyper-dispersant in an atomizing spraying mode, drying to obtain pretreated nano carbon black for later use, weighing 30 parts by weight of PE resin, 20 parts by weight of pretreated nano carbon black, 1 part by weight of a lubricant, 1 part by weight of a processing aid, 0.8 part by weight of an antioxidant and 1 part by weight of a light stabilizer, carrying out banburying, extrusion and granulation to obtain a high-gloss reinforced master batch, wherein the banburying process temperature is 140 ℃, the granulation temperature is 180 ℃, the lubricant is a polyolefin oligomer, the processing aid is an ethylene copolymer, the antioxidant is a hindered phenol antioxidant, the surface synergist is titanate, the light stabilizer is a benzotriazole ultraviolet absorbent, and the hyper-dispersant is a polyolefin hyper-dispersant.

The maximum decomposition temperature of the corrosion resistant HDPE drain pipe of example 1 is 310 ℃.

Example 2

The mixture A comprises the following raw materials in parts by weight: 95 parts of 8-hydroxyquinoline, 82 parts of copper chloride, 26 parts of dodecylbenzenesulfonic acid, 9 parts of water, 40 parts of sodium carbonate and 12 parts of ethanol.

The mixture B comprises the following raw materials in parts by weight: 70 parts of HDPE resin, 8 parts of polythiol curing agent, 1.5 parts of triphenyl phosphite and 2 parts of aminopropyl methyl diethoxy silane.

The mixed master batch comprises the following raw materials in parts by weight: 95 parts of mixture A, 100 parts of mixture B, 60 parts of isophthalic acid, 35 parts of ethylene glycol, 15 parts of phenolphthalein, 1.5 parts of catalyst, 1.4 parts of antioxidant and 1.6 parts of stabilizer.

The preparation process of the reinforced master batch is as follows: carrying out surface treatment on nano carbon black by using a surface synergist and a hyper-dispersant in an atomizing spraying mode, drying to obtain pretreated nano carbon black for later use, weighing 35 parts of PE resin, 30 parts of pretreated nano carbon black, 2 parts of a lubricant, 3 parts of a processing aid, 1.6 parts of an antioxidant and 2 parts of a light stabilizer in parts by weight, and carrying out banburying, extrusion and granulation to obtain a high-gloss reinforced master batch, wherein the banburying process temperature is 165 ℃, the granulation temperature is 195 ℃, the lubricant is a polyolefin oligomer, the processing aid is an ethylene copolymer, the antioxidant is a hindered phenol antioxidant, the surface synergist is titanate, the light stabilizer is a benzotriazole ultraviolet absorbent, and the hyper-dispersant is a polyolefin hyper-dispersant.

The maximum decomposition temperature of the corrosion resistant HDPE drain pipe of example 2 is 330 ℃.

The processing equipment comprises a processing chamber 100, a conveying mechanism 200 is installed on the side wall of the processing chamber 100, a fixed frame 300 is installed in the processing chamber 100, a fixed rail disc 301 is fixedly installed on the fixed frame 300, a transmission chain 302 is arranged on the inner ring of the fixed rail disc 301 in a rotating mode, a plurality of connecting sheets 303 are installed on the transmission chain 302, a circulating channel 304 is fixedly installed on the connecting sheets 303, a chip collecting box 400 is installed at the bottom of the inner cavity of the processing chamber 100, an installation cylinder 401 is fixedly installed on the inner wall of the processing chamber 100, a dustproof shell 402 is installed at the end part of a piston rod of the installation cylinder 401, a cutting motor 404 is fixedly installed on the dustproof shell 402, an output shaft of the cutting motor 404 is connected with the cutting disc 403, a water tank 500 is arranged on one side of the processing chamber 100, a water pump 501 is fixedly installed on the outer wall of the water tank 500, the water pump 501 is communicated with the water tank 500, the water outlet end of the water pump 501 is communicated with an atomizing nozzle 502, the atomizing nozzle 502 is fixed on the inner wall of the processing chamber 100, and a drying fan 600 is fixedly installed on the outer wall of the processing chamber 100, the air outlet of the drying fan 600 is provided with a drying nozzle 601, the drying nozzle 601 is fixed on the inner wall of the processing chamber 100, the outer side wall of the processing chamber 100 is fixedly provided with a fixed cylinder 700, the end part of a piston rod of the fixed cylinder 700 is provided with a connecting plate 701, the connecting plate 701 is provided with a driving motor 702, the output shaft of the driving motor 702 is connected with a cleaning brush 703, the outer side wall of the processing chamber 100 is fixedly provided with a push pipe cylinder 800, the end part of the piston rod of the push pipe cylinder 800 is provided with a push pipe block 801, the side wall of the processing chamber 100 is provided with an outlet pipe 101, the outlet pipe 101 is arranged corresponding to the push pipe block 801, through the arrangement of the fixing frame 300 and the corresponding circulating structure in the processing chamber 100, three operation steps of cleaning, drying and sweeping required after the whole pipe is cut can be carried out in the processing chamber 100, the occupied area of a cleaning station, a drying station and a cleaning station required by the whole equipment is reduced, and the pipe is favorable for being used in a production plant.

The conveying mechanism 200 comprises a fixed side shell 201, a rotating motor 202 is fixedly installed on the outer wall of the fixed side shell 201, an output shaft of the rotating motor 202 is connected with a rotating wheel 203, the rotating wheel 203 is connected with a rotating ring 204 through belt transmission, the rotating ring 204 is fixed on the outer ring of a rotating channel 205, three strip-shaped shells 206 are installed on the inner wall of the rotating channel 205 in equal radian, two limiting cylinders 207 are installed in the strip-shaped shells 206, a friction plate 208 is installed at the end part of a piston rod of each limiting cylinder 207, a micromotor 209 is arranged between the two limiting cylinders 207, the output shaft of each micromotor 209 is connected with a ball screw 210, thread surfaces at two ends of each ball screw 210 are symmetrically arranged along the middle part, two adjusting sleeves 211 are in threaded connection with two ends of each ball screw 210, two connecting rods 212 are rotatably installed on each adjusting sleeve 211, four connecting rods 212 are rotatably connected with a limiting frame 213, a plurality of belt pulleys are rotatably installed on the limiting frame 213, and are in transmission connection through limiting belts, fixed mounting has conveying motor 214 on spacing 213, one of them belt pulley of conveying motor 214 output shaft, the setting of three spacing 213 that can adjust on the conveying mechanism 200, can satisfy the transport and spacing to the tubular product of different diameters, simultaneously through the setting of spacing cylinder 207 in the strip shell 206 and friction plate 208, in tubular product cutting process, add the multiple spot position fastening of friction plate to tubular product, can effectively avoid the off normal that appears in the tubular product cutting process and the condition of rocking.

Fixed mounting has cycle motor 305 on mount 300, cycle motor 305 output shaft end portion installs installation gear 306, installation gear 306 passes through chain drive and connects installation fluted disc 307, installation fluted disc 307 coaxial coupling driving disc 308, driving disc 308 and drive chain 302 are the cooperation component, through the setting of a plurality of circulated circulation channel 304 on mount 300, can just cut respectively simultaneously different corrosion-resistant HDPE drain pipes, wash, dry, four processing of cleaning, guarantee the machining efficiency of whole tubular product.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.