阅读说明：本技术 一种高模量绝缘阻燃pp双壁波纹管及其制备方法与装置 (High-modulus insulating flame-retardant PP (polypropylene) double-wall corrugated pipe and preparation method and device thereof ) 是由 张荣景 于 2021-09-08 设计创作，主要内容包括：本发明涉及pp双壁波纹管制备技术领域,具体涉及一种高模量绝缘阻燃pp双壁波纹管及其制备方法与装置；当挤出机输出的坯体管通过进管口输送至冷却箱的内部,利用支架对坯体管进行支撑后,启动泵体,将储水箱内的水,输送至主管内,进而通过连通管输送至分流管内,利用多个喷淋头对坯体管喷洒冷却水,使得坯体管冷却定型,喷洒后的水,通过排水口输送至输送管内,进而通过输送管输送至储水箱内,利用半导体制冷器将输送至储水箱内的水冷却,利用上述结构完成循环冷却,从而减少水资源的浪费。(The invention relates to the technical field of preparation of pp double-wall corrugated pipes, in particular to a high-modulus insulating flame-retardant pp double-wall corrugated pipe and a preparation method and a device thereof; carry the inside to the cooler bin through the mouth of pipe when the body pipe of extruder output, utilize the support to support the back to the body pipe, start the pump body, with the water in the storage water tank, carry to being responsible for in, and then carry to the reposition of redundant personnel intraductally through communicating pipe, utilize a plurality of shower heads to spray the cooling water to the body pipe, make body pipe cooling design, the water after spraying, carry to the conveyer pipe in through the outlet, and then carry to the storage water tank through the conveyer pipe in, utilize the semiconductor refrigerator will carry the water cooling to the storage water tank in, utilize above-mentioned structure to accomplish the circulative cooling, thereby reduce the waste of water resource.)

1. A high modulus insulating flame retardant PP double wall corrugated pipe is characterized in that,

the high-modulus insulating flame-retardant PP double-wall corrugated pipe comprises 55-65 parts of polypropylene resin, 7-9 parts of block copolymerization polypropylene, 4-6 parts of antioxidant, 2-12 parts of ethylene octene copolymer, 2-24 parts of high-modulus filling master batch and 1-3 parts of insulating flame-retardant functional master batch.

2. A method of making the high modulus insulating flame retardant pp double wall corrugated pipe of claim 1, comprising the steps of:

adding polypropylene resin, block copolymerization polypropylene and an antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

uniformly mixing the obtained matrix material, the ethylene-octene copolymer, the high-modulus filling master batch and the insulating flame-retardant function master batch, adding the mixture into an extruder, performing double-layer co-extrusion, and performing composite extrusion to obtain a blank tube;

spraying cooling water on the obtained blank tube to cool and shape the blank tube;

and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

3. A manufacturing apparatus using the manufacturing method of the high modulus insulating flame retardant pp double wall corrugated pipe according to claim 2,

the manufacturing device of the high-modulus insulating flame-retardant pp double-wall corrugated pipe comprises a cooling box, a support and a circulating cooling assembly, wherein the cooling box is arranged at the output end of an extruder, an inlet pipe orifice and an outlet pipe orifice are respectively arranged at two ends of the cooling box, the support is detachably connected with the cooling box and is positioned in the cooling box, a supporting end of the support corresponds to the inlet pipe orifice, and the circulating cooling assembly is also arranged in the cooling box;

the circulating cooling assembly comprises a pump body, a water storage tank, a conveying pipe, a main pipe, a communicating pipe, a flow dividing pipe and spray headers, wherein the water storage tank is detachably connected with the cooling tank and is positioned at the bottom of the cooling tank, one end of the pump body is detachably connected with a water outlet of the water storage tank, the other end of the pump body is detachably connected with the main pipe, the main pipe is positioned inside the cooling tank, the communicating pipe is arranged on the main pipe, one end, away from the main pipe, of the communicating pipe is connected with the flow dividing pipe through a flange, a plurality of spray headers are arranged on the flow dividing pipe, the output end of each spray header corresponds to the axis of the water inlet pipe and the axis of the water outlet pipe, a water outlet is also arranged at the bottom of the cooling tank, the conveying pipe is arranged at the water outlet, one end, away from the water outlet, of the conveying pipe corresponds to the water inlet of the water storage tank, the inside of the water storage tank is provided with a semiconductor refrigerator.

4. The apparatus of claim 3, wherein the apparatus comprises a pair of corrugated pipes,

the number of the supports is multiple, the supports are uniformly distributed in the cooling box, and the supporting end of each support corresponds to the axis of the pipe inlet and the axis of the pipe outlet.

5. The apparatus of claim 4, wherein the apparatus comprises a first pipe having a first end and a second end,

every the support all includes mounting panel, riser and support arc board, the mounting panel with the cooling tank is dismantled and is connected, the one end of riser with mounting panel fixed connection, the other end of riser with support arc board fixed connection.

6. The apparatus of claim 3, wherein the apparatus comprises a pair of corrugated pipes,

the quantity of communicating pipe is six, the both ends of trunk line are provided with three respectively communicating pipe, every all be provided with one on communicating pipe the shunt tubes, every all be provided with a plurality ofly on the shunt tubes the shower head, every the output of shower head all with advance the mouth of pipe with it is corresponding to go out orificial axis.

Technical Field

The invention relates to the technical field of preparation of pp double-wall corrugated pipes, in particular to a high-modulus insulating flame-retardant pp double-wall corrugated pipe and a preparation method and device thereof.

Background

The pp double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are mature at present.

After a blank body is extruded by an extruder, a large amount of cooling water is needed to cool and shape the blank body, and most of the existing pp double-wall corrugated pipe preparation devices do not have a water circulation function, so that a large amount of water resources are wasted.

Disclosure of Invention

The invention aims to provide a high-modulus insulation flame-retardant PP double-wall corrugated pipe and a preparation method and a preparation device thereof, and solves the problem that most of the preparation devices of the existing PP double-wall corrugated pipe in the prior art do not have a water circulation function, so that a large amount of water resources are wasted.

In order to achieve the purpose, the invention provides a high-modulus insulation flame-retardant pp double-wall corrugated pipe which comprises 55-65 parts of polypropylene resin, 7-9 parts of block copolymer polypropylene, 4-6 parts of antioxidant, 2-12 parts of ethylene octene copolymer, 2-24 parts of high-modulus filling master batch and 1-3 parts of insulation flame-retardant functional master batch.

The invention also provides a preparation method of the high-modulus insulating flame-retardant pp double-wall corrugated pipe, which comprises the following steps:

adding polypropylene resin, block copolymerization polypropylene and an antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

uniformly mixing the obtained matrix material, the ethylene-octene copolymer, the high-modulus filling master batch and the insulating flame-retardant function master batch, adding the mixture into an extruder, performing double-layer co-extrusion, and performing composite extrusion to obtain a blank tube;

spraying cooling water on the obtained blank tube to cool and shape the blank tube;

and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

The invention also provides a preparation device adopting the preparation method of the high-modulus insulating flame-retardant pp double-wall corrugated pipe, the preparation device of the high-modulus insulating flame-retardant pp double-wall corrugated pipe comprises a cooling box, a bracket and a circulating cooling component, the cooling box is arranged at the output end of the extruder, an inlet pipe orifice and an outlet pipe orifice are respectively arranged at two ends of the cooling box, the bracket is detachably connected with the cooling box and is positioned in the cooling box, the supporting end of the bracket corresponds to the inlet pipe orifice, and the circulating cooling component is also arranged in the cooling box;

the circulating cooling assembly comprises a pump body, a water storage tank, a conveying pipe, a main pipe, a communicating pipe, a flow dividing pipe and spray headers, wherein the water storage tank is detachably connected with the cooling tank and is positioned at the bottom of the cooling tank, one end of the pump body is detachably connected with a water outlet of the water storage tank, the other end of the pump body is detachably connected with the main pipe, the main pipe is positioned inside the cooling tank, the communicating pipe is arranged on the main pipe, one end, away from the main pipe, of the communicating pipe is connected with the flow dividing pipe through a flange, a plurality of spray headers are arranged on the flow dividing pipe, the output end of each spray header corresponds to the axis of the water inlet pipe and the axis of the water outlet pipe, a water outlet is also arranged at the bottom of the cooling tank, the conveying pipe is arranged at the water outlet, one end, away from the water outlet, of the conveying pipe corresponds to the water inlet of the water storage tank, the inside of the water storage tank is provided with a semiconductor refrigerator.

When a green body pipe output by the extruder is conveyed to the inside of the cooling box through the pipe inlet, the support is utilized to support the green body pipe, the pump body is started, water in the water storage tank is conveyed into the main pipe and then conveyed into the shunt pipe through the communicating pipe, a plurality of spray heads are utilized to spray cooling water to the green body pipe, the green body pipe is cooled and shaped, the sprayed water is conveyed into the conveying pipe through the water outlet and then conveyed into the water storage tank through the conveying pipe, the semiconductor refrigerator is utilized to cool the water conveyed into the water storage tank, and the circulating cooling is completed by utilizing the structure, so that the waste of water resources is reduced.

The number of the supports is multiple, the supports are uniformly distributed in the cooling box, and the supporting end of each support corresponds to the axis of the inlet pipe orifice and the axis of the outlet pipe orifice.

The plurality of supports are uniformly distributed in the cooling box, and the plurality of supports are used for continuously supporting the blank pipe, so that the blank pipe is prevented from deforming under the influence of the gravity of the blank pipe.

Wherein, every the support all includes mounting panel, riser and support arc board, the mounting panel with the connection is dismantled to the cooler bin, the one end of riser with mounting panel fixed connection, the other end of riser with support arc board fixed connection.

Utilize the screw will the mounting panel is fixed the inside of cooler bin, the mounting panel with the support arc board all with riser fixed connection adopts integrated into one piece technique to make the structure more firm during the manufacturing.

Wherein, the quantity of communicating pipe is six, the both ends of trunk line are provided with three respectively communicating pipe, every all be provided with one on communicating pipe the shunt tubes, every all be provided with a plurality ofly on the shunt tubes the shower head, every the output of shower head all with the mouth of pipe of advancing with it is corresponding to go out orificial axis.

The both ends of trunk line all are provided with three communicating pipe, every all be provided with on communicating pipe the shunt tubes, six the shunt tubes are located respectively the mouth of pipe is advanced with go out orificial axis all around for it is through a plurality of the shower nozzle evenly sprays the cooling water to the base body pipe, thereby makes the cooling of base body pipe more even.

The invention relates to a high-modulus insulating flame-retardant pp double-wall corrugated pipe and a preparation method and a device thereof, wherein one end of a pump body is detachably connected with a water outlet of a water storage tank, the other end of the pump body is detachably connected with a main pipeline, the main pipeline is positioned in a cooling tank, the main pipeline is provided with a communicating pipe, one end of the communicating pipe, far away from the main pipeline, is connected with a flow dividing pipe flange, the flow dividing pipe is provided with a plurality of spray headers, the bottom of the cooling tank is also provided with a water outlet, the water outlet is provided with a conveying pipe, one end of the conveying pipe, far away from the water outlet, corresponds to a water inlet of the water storage tank, the inside of the water storage tank is provided with a semiconductor refrigerator, when a green body pipe output by an extruder is conveyed to the inside of the cooling tank through a water inlet, the green body pipe is supported by a support, the pump body is started, water in the water storage tank is conveyed into the main pipe and then conveyed into the shunt pipe through the communicating pipe, cooling water is sprayed to the blank pipe through the plurality of spray heads, the blank pipe is cooled and shaped, the sprayed water is conveyed into the conveying pipe through the water outlet and then conveyed into the water storage tank through the conveying pipe, the semiconductor refrigerator is used for cooling the water conveyed into the water storage tank, and the circulating cooling is completed through the structure, so that the waste of water resources is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of the steps of a method for manufacturing a high modulus insulating flame retardant pp double-wall corrugated pipe provided by the present invention.

FIG. 2 is a flow chart of the steps of example 1.

FIG. 3 is a flowchart of the steps of example 2.

FIG. 4 is a flowchart of the steps of example 3.

FIG. 5 is a schematic structural diagram of a device for preparing high modulus insulating flame retardant pp double-wall corrugated pipe provided by the invention.

FIG. 6 is a side view of an apparatus for making high modulus insulating flame retardant pp double wall corrugated pipe provided by the present invention.

Fig. 7 is a sectional view of the inner structure of fig. 6 taken along line a-a according to the present invention.

Fig. 8 is a schematic view of the internal structure of the cooling box according to the present invention.

Fig. 9 is an enlarged view of a portion of the structure of fig. 8 a according to the present invention.

1-high-modulus insulating flame-retardant pp double-wall corrugated pipe preparation device, 2-cooling tank, 21-pipe inlet, 22-pipe outlet, 23-water outlet, 3-bracket, 31-mounting plate, 32-vertical plate, 33-supporting arc plate, 4-circulating cooling assembly, 41-pump body, 42-water storage tank, 421-semiconductor refrigerator, 43-conveying pipe, 431-first connecting pipe, 432-second connecting pipe, 433-serpentine coil, 44-main pipe, 441-pipe body, 442-supporting body, 443-connecting plate, 444-supporting plate, 445-supporting ring, 446-first half ring, 447-second half ring, 448-first connecting block, 449-second connecting block, 45-communicating pipe, 46-shunt pipe, and, 461-second support, 47-shower head.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a high-modulus insulating flame-retardant PP double-wall corrugated pipe which comprises 55-65 parts of polypropylene resin, 7-9 parts of block copolymer polypropylene, 4-6 parts of antioxidant, 2-12 parts of ethylene octene copolymer, 2-24 parts of high-modulus filling master batch and 1-3 parts of insulating flame-retardant functional master batch.

Referring to fig. 1, the present invention further provides a method for preparing the high modulus insulating flame retardant pp double-wall corrugated pipe, comprising the following steps:

s1: adding polypropylene resin, block copolymerization polypropylene and an antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

s2: uniformly mixing the obtained matrix material, the ethylene-octene copolymer, the high-modulus filling master batch and the insulating flame-retardant function master batch, adding the mixture into an extruder, performing double-layer co-extrusion, and performing composite extrusion to obtain a blank tube;

s3: spraying cooling water on the obtained blank tube to cool and shape the blank tube;

s4: and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

Example 1, referring to fig. 2, the present invention further provides a method for preparing the high modulus insulating flame retardant pp double-wall corrugated pipe, comprising the following steps:

s1: adding 55 parts of polypropylene resin, 7 parts of block copolymerization polypropylene and 4 parts of antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

s2: uniformly mixing the obtained base material, 2 parts of ethylene-octene copolymer, 2 parts of high-modulus filling master batch and 1 part of insulating flame-retardant functional master batch, adding the mixture into an extruder, and performing double-layer co-extrusion and composite extrusion to obtain a blank tube;

s3: spraying cooling water on the obtained blank tube to cool and shape the blank tube;

s4: and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

In the embodiment, 55 parts by mass of polypropylene resin, 7 parts by mass of block copolymer polypropylene and 4 parts by mass of antioxidant are added into an internal mixer to be internally mixed to obtain a melt material, the melt material is extruded and granulated by a single screw to obtain a matrix material, then evenly mixing the obtained organism material with 2 parts of ethylene-octene copolymer, 2 parts of high-modulus filling master batch and 1 part of insulating flame-retardant function master batch, adding the mixture into an extruder for double-layer co-extrusion and composite extrusion to obtain a blank tube, spraying cooling water on the obtained blank tube to cool and shape the blank tube, heating and ironing the outer surface of the cooled blank tube, ironing and scraping burrs on the outer surface of the blank tube, the high-modulus filling master batch and the insulating flame-retardant master batch are added into the raw materials, so that the manufactured pp double-wall corrugated pipe has the functions of impact resistance, insulation and flame retardance.

Example 2, referring to fig. 3, the present invention further provides a method for preparing the high modulus insulating flame retardant pp double-wall corrugated pipe, comprising the following steps:

s1: adding 65 parts of polypropylene resin, 9 parts of block copolymerization polypropylene and 6 parts of antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

s2: uniformly mixing the obtained base material, 12 parts of ethylene-octene copolymer, 24 parts of high-modulus filling master batch and 3 parts of insulating flame-retardant functional master batch, adding the mixture into an extruder, performing double-layer co-extrusion, and performing composite extrusion to obtain a blank tube;

s3: spraying cooling water on the obtained blank tube to cool and shape the blank tube;

s4: and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

In the embodiment, 65 parts by weight of polypropylene resin, 9 parts by weight of block copolymer polypropylene and 6 parts by weight of antioxidant are added into an internal mixer to be internally mixed to obtain a melt material, the melt material is extruded and granulated by a single screw to obtain a matrix material, then evenly mixing the obtained organism material with 12 parts of ethylene-octene copolymer, 24 parts of high-modulus filling master batch and 3 parts of insulating flame-retardant function master batch, adding the mixture into an extruder for double-layer co-extrusion and composite extrusion to obtain a blank tube, spraying cooling water on the obtained blank tube to cool and shape the blank tube, heating and ironing the outer surface of the cooled blank tube, ironing and scraping burrs on the outer surface of the blank tube, the high-modulus filling master batch and the insulating flame-retardant master batch are added into the raw materials, so that the manufactured pp double-wall corrugated pipe has the functions of impact resistance, insulation and flame retardance.

Example 3 referring to fig. 4, the present invention further provides a method for preparing the high modulus insulating flame retardant pp double-wall corrugated pipe, comprising the following steps:

s1: adding 60 parts of polypropylene resin, 8 parts of block copolymerization polypropylene and 5 parts of antioxidant into an internal mixer for internal mixing to obtain a melt material, and extruding and granulating the melt material by a single screw to obtain a matrix material;

s2: uniformly mixing the obtained base material, 7 parts of ethylene-octene copolymer, 13 parts of high-modulus filling master batch and 2 parts of insulating flame-retardant functional master batch, adding the mixture into an extruder, and performing double-layer co-extrusion and composite extrusion to obtain a blank tube;

s3: spraying cooling water on the obtained blank tube to cool and shape the blank tube;

s4: and heating and ironing the outer surface of the cooled blank pipe, ironing and scraping burrs on the outer surface of the blank pipe, and thus obtaining the high-modulus insulating flame-retardant pp double-wall corrugated pipe.

In the embodiment, 60 parts by weight of polypropylene resin, 8 parts by weight of block copolymer polypropylene and 2 parts by weight of antioxidant are added into an internal mixer to be internally mixed to obtain a melt material, the melt material is extruded and granulated by a single screw to obtain a matrix material, then evenly mixing the obtained organism material with 7 parts of ethylene-octene copolymer, 13 parts of high-modulus filling master batch and 2 parts of insulating flame-retardant function master batch, adding the mixture into an extruder for double-layer co-extrusion and composite extrusion to obtain a blank tube, spraying cooling water on the obtained blank tube to cool and shape the blank tube, heating and ironing the outer surface of the cooled blank tube, ironing and scraping burrs on the outer surface of the blank tube, the high-modulus filling master batch and the insulating flame-retardant master batch are added into the raw materials, so that the manufactured pp double-wall corrugated pipe has the functions of impact resistance, insulation and flame retardance.

Referring to fig. 5 to 9, the invention further provides a manufacturing device using the manufacturing method of the high modulus insulating flame retardant pp double-wall corrugated pipe, where the manufacturing device 1 of the high modulus insulating flame retardant pp double-wall corrugated pipe includes a cooling tank 2, a support 3 and a circulating cooling assembly 4, an output end of an extruder is provided with the cooling tank 2, two ends of the cooling tank 2 are respectively provided with an inlet pipe 21 and an outlet pipe 22, the support 3 is detachably connected with the cooling tank 2 and is located inside the cooling tank 2, a support end of the support 3 corresponds to the inlet pipe 21, and the circulating cooling assembly 4 is further disposed inside the cooling tank 2;

the circulation cooling subassembly 4 includes the pump body 41, storage water tank 42, conveyer pipe 43, trunk line 44, communicating pipe 45, shunt tubes 46 and shower head 47, storage water tank 42 with the connection is dismantled to cooler bin 2, and is located the bottom of cooler bin 2, the one end of pump body 41 with the delivery port of storage water tank 42 is dismantled and is connected, the other end of pump body 41 with the connection is dismantled to trunk line 44, trunk line 44 is located the inside of cooler bin 2, be provided with on the trunk line 44 communicating pipe 45, communicating pipe 45 keeps away from the one end of trunk line 44 with shunt tubes 46 flange joint, be provided with a plurality ofly on the shunt tubes 46 shower head 47, every shower head 47 the output all with inlet tube mouth 21 with outlet tube mouth 22's axis is corresponding, the bottom of cooler bin 2 still is provided with outlet 23, outlet 23 department is provided with conveyer pipe 43, one end of the delivery pipe 43, which is far away from the water outlet 23, corresponds to a water inlet of the water storage tank 42, and a semiconductor refrigerator 421 is arranged inside the water storage tank 42.

In this embodiment, the body pipe that outputs when the extruder passes through inlet 21 is carried extremely the inside of cooler bin 2 utilizes after support 3 supports the body pipe, start pump 41, will water in the storage water tank 42 is carried extremely in the main line, and then through communicating pipe 45 carry extremely in the shunt tubes 46, utilize a plurality ofly spray header 47 sprays cooling water to the body pipe for body pipe cooling design, the water after spraying, through outlet 23 carry extremely in the conveyer pipe 43, and then through conveyer pipe 43 carry extremely in the storage water tank 42, utilize semiconductor 421 will carry extremely the water cooling in the storage water tank 42, utilize above-mentioned structure to accomplish the circulative cooling, thereby reduce the waste of water resource.

Further, the number of the brackets 3 is multiple, the multiple brackets 3 are uniformly distributed in the cooling box 2, and the supporting end of each bracket 3 corresponds to the axis of the inlet pipe orifice 21 and the axis of the outlet pipe orifice 22.

In this embodiment, the plurality of brackets 3 are uniformly distributed inside the cooling box 2, and the blank pipe is continuously supported by the plurality of brackets 3, so that the blank pipe is prevented from deforming under the influence of the gravity of the blank pipe.

Further, every the support 3 all includes mounting panel 31, riser 32 and support arc 33, mounting panel 31 with cooling box 2 is dismantled and is connected, the one end of riser 32 with mounting panel 31 fixed connection, the other end of riser 32 with support arc 33 fixed connection.

In this embodiment, the mounting plate 31 is fixed inside the cooling box 2 by screws, and the mounting plate 31 and the supporting arc plate 33 are both fixedly connected to the vertical plate 32, so that the structure is more firm when the cooling box is manufactured by adopting an integral forming technology.

Further, the quantity of communicating pipes 45 is six, the both ends of trunk line 44 are provided with three respectively communicating pipes 45, every all be provided with one on communicating pipe 45 the shunt tubes 46, every all be provided with a plurality ofly on the shunt tubes 46 shower head 47, every shower head 47 the output all with inlet pipe mouth 21 with outlet pipe mouth 22's axis is corresponding.

In this embodiment, the both ends of trunk line 44 all are provided with three communicating pipe 45, every all be provided with on communicating pipe 45 shunt tubes 46, six shunt tubes 46 are located respectively advance mouth of pipe 21 with go out around the axis of mouth of pipe 22, make through a plurality of the shower nozzle evenly sprays the cooling water to the body pipe to it is more even to make the cooling of body pipe.

Further, the conveying pipe 43 comprises a first connecting pipe 431, a second connecting pipe 432 and a serpentine pipe 433, one end of the serpentine pipe 433 is detachably connected to the first connecting pipe 431, the other end of the serpentine pipe 433 is detachably connected to the second connecting pipe 432, the first connecting pipe 431 is far away from one end of the serpentine pipe 433, the water outlet 23 is corresponding to the end of the serpentine pipe 433, and the second connecting pipe 432 is far away from the end of the serpentine pipe 433, and the water inlet of the water storage tank 42 is corresponding to the end of the serpentine pipe 432.

In this embodiment, the duct 43 is composed of the first connection pipe 431, the second connection pipe 432, and the serpentine 433 extends a time during which the cooling water flows in the duct 43, so that the cooling water in the duct 43 releases a part of heat and then is transferred into the storage tank 42, thereby cooling the semiconductor refrigerator 421 more quickly.

Further, the main pipe 44 includes a pipe body 441 and a support body 442, one end of the support body 442 is detachably connected to the cooling box 2, and the other end of the support body 442 is sleeved on the outside of the pipe body 441.

In the present embodiment, the support body 442 is provided between the pipe body 441 and the side wall of the cooling tank 2, and the pipe body 441 is supported by the support body 442, so that the structure of the main pipe 44 is further stabilized.

Further, the support body 442 includes a connection plate 443, a support plate 444 and a support ring 445, the connection plate 443 is detachably connected to the cooling box 2, one end of the support plate 444 is fixedly connected to the connection plate 443, the other end of the support plate 444 is bolted to the support ring 445, and the support ring 445 is sleeved on the outside of the pipe body 441.

In this embodiment, after the support ring 445 is fitted around the outside of the pipe body 441, the connection plate 443 is fixed to the inside of the cooling box 2 by screws, and the support ring 445 and the support plate 444 are fixed by bolts, so that the support body 442 is mounted, and the support plate 444 and the connection plate 443 are fixedly connected to each other.

Further, the support ring 445 includes a first half ring 446 and a second half ring 447, a first connection block 448 and a second connection block 449 are respectively disposed at two ends of the first half ring 446 and the second half ring 447, both the first connection blocks 448 are bolted to the support plate 444, and the second connection block 449 on the first half ring 446 is bolted to the second connection block 449 on the second half ring 447.

In this embodiment, the first half ring 446 and the second half ring 447 are fitted around the outer portion of the pipe body 441, the two first connecting blocks 448 and the support plate 444 are fixed by bolts, and the two second connecting blocks 449 are fixed by bolts, thereby completing the installation of the support ring 445.

Further, a plurality of second supporting members 461 are sleeved outside each shunt tube 46, and each second supporting member 461 is welded to the inner wall of the cooling box 2.

In the present embodiment, the bypass pipe 46 is fixed inside the cooling tank 2 by the second support 461, so that the structure of the bypass pipe 46 is more stable.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.