Processing Technology for Making Seepage Irrigation Pipe with Alternate Effluent Section and Non-Effluent Section

Abstract

The present invention relates to a processing technology for manufacturing seepage irrigation pipe with alternating effluent sections and non-effluent sections, and in particular, to the field of underground seepage irrigation in agriculture and forestry. The processing technology combines the production unit for water-effluent pipes with the production unit for non-effluent pipes, and produces the seepage irrigation pipeline by adjusting the raw material ratios, controlling the spindle speed, spindle acceleration time, and spindle deceleration time of the two pipeline production units, to generate a seepage irrigation pipe with alternating effluent sections and non-effluent sections. The lengths of the effluent sections and non-effluent sections can be adjusted, the pipe wall thickness can also be adjusted by adjusting the inner and outer diameter of the internal mold of the pipe forming unit, a seepage irrigation pipe with alternating effluent sections and non-effluent sections is environment-friendly, efficient, water-saving, and useful for underground irrigation.

Claims

1. An apparatus configured to perform the process for manufacturing a seepage irrigation pipe with alternative effluent sections and non-effluent sections, wherein the process comprises the steps of mixing and stirring raw materials and feeding to a production unit; producing effluent section; producing non-effluent section; and pipe cooling and packaging, wherein the step of producing effluent section is alternated with the step of producing the non-effluent section, wherein the step of mixing and stirring raw materials and feeding to a production unit, the step of either producing effluent section or producing non-effluent section, and the step of pipe cooling and packaging are carried out simultaneously; wherein the step of the mixing and stirring raw materials and feeding to a production unit further comprises: placing desulfurized tire rubber powder and high-density polyethylene pellet powder at a ratio of 1:0.6-1:0.3 in a blender (2), mixing for 15-30 minutes at 15-35 C.; feeding the mixture to a first extruder (9) through a first automatic feeder (1); placing desulfurized tire rubber powder and high-density polyethylene pellet powder at a ratio of 1:1.21:0.7 in a blender (2), mixing for 15-30 minutes at 15-35 C., feeding the mixture into a second extruder (4) through a second automatic feeder (3); wherein the step of producing effluent section further comprises: setting the length of the effluent section by controlling the spindle speed of the first extruder (9) at 500950 r/min and controlling temperatures in different areas of the first extruder (9) at 120170 C., after reacting for 12 minutes, extruding the effluent section from the pipe forming unit (8); wherein the step of producing non-effluent section further comprises: setting the length of the non-effluent section by controlling the spindle speed of the second extruder (4) at 5501000 r/min and controlling temperatures in different areas of the second extruder (4) at 120170 C., after reacting for 12 minutes, extruding the non-effluent section from the pipe forming unit (8); wherein when transiting from producing the effluent section to producing the non-effluent section, by controlling a spindle acceleration time of the second extruder (4) at 0.52 seconds, the production of the effluent section was stopped automatically after 0.52 seconds of reaction, subsequently the non-effluent section is extruded from the pipe forming unit (8), wherein the spindle acceleration time is the time when the second extruder (4) accelerates from 0 to the set target speed; wherein when transiting from producing the non-effluent section to producing the effluent section, by controlling a spindle deceleration time of the second extruder (4) at 0.52 seconds, the production of the non-effluent section was stopped automatically after 0.52 seconds of reaction, subsequently the effluent section is extruded from the pipe forming unit (8), wherein the spindle deceleration time is the time when the second extruder (4) decelerates from present running speed to 0; and wherein the step of pipe cooling and packaging further comprises: the sections extruded from pipe forming unit (8) is cooled by a pipeline cooling device (5), drawn to an automatic pipe coiler (7) through a pipe traction cutting machine (6), where the traction speed of the traction cutting machine (6) is set at 0.030.05 m/s, setting a total pipe length; after reaching the set length, automatically cutting the pipe by the pipe traction cutter (6), and wrapping and packaging the cut pipe by an automatic pipe coiling machine (7).

2. The apparatus according to claim 1, wherein an internal mold of the pipe forming unit (8) has an inner diameter of 1518 mm and an outer diameter of 2023 mm.

3. The apparatus according to claim 1, wherein particle size of the desulfurized tire rubber powder ranges from 0.50.9 mm, and the particle size of high-density polyethylene ranges from 13 mm.

4. The apparatus according to claim 1, wherein the first extruder (9) is connected with the second extruder (4) through the pipe forming unit (8), and wherein the length of the effluent section, non-effluent section, and the total length of the pipe can be set freely.

5. The apparatus according to claim 1, wherein the device can produce a seepage irrigation pipe made entirely of effluent sections, entirely of non-effluent sections, or alternating effluent sections and non-effluent sections.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG. 1 is a diagram showing a pipe production device configured to manufacture a seepage irrigation pipe with alternating effluent sections and non-effluent sections.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Embodiment 1

[0022] Adjust the inner diameter and outer diameter of internal mold of the pipe forming unit (8) to 16.6 mm and 21.2 mm, respectively. Add 100 parts of 20 mesh desulfurized tire rubber powder (natural gum:synthetic gum:carbon black:aromatic oil:zinc oxide:stearic acid:accelerant=55:40:50:7:3:1:1:0.5) and 45 parts of 10 mesh high density polyethylene powder into a blender (2) to stir for 30 minutes at 25 C.; load the mixture to the first extruder (9) through the first automatic feeder (1); add 100 parts of 20 mesh desulfurized tire rubber powder (natural gum:synthetic gum:carbon black:aromatic oil:zinc oxide:stearic acid:accelerant=55:40:50:7:3:1:1:0.5) and 100 parts of 10 mesh high density polyethylene powder into the blender (2) to stir for 30 minutes in at 25 C., load the mixture to the second extruder (4) through the second automatic feeder (3).

[0023] Set the spindle speed of the first extruder (9) at 650 r/min. There are three heat-melting areas and one raw material extrusion area in the first extruder (9). Set the temperatures of three heat-melting areas and one raw material extrusion area at 156 C., 163 C., 157 C. and 143 C., respectively. After reacting for 12 minutes, the effluent pipe is extruded from the pipe forming unit (8).

[0024] Set the length of effluent section at 50 cm. When transiting from producing effluent section to producing non-effluent section, set the spindle speed of the second extruder at 720 r/min. The second extruder has four heat-melting areas and one raw material extrusion area, the temperatures of which are set at 145 C., 149 C., 149 C., 143 C., and 150 C., respectively. The spindle acceleration time of the second extruder is 0.9 s, the effluent section stops production automatically after 0.9 s, the non-effluent section starts to be extruded from the pipe forming unit (8).

[0025] Set the length of the non-effluent section at 50 cm, when transiting from producing non-effluent section to producing effluent section, set the spindle deceleration time of the second extruder at 1.0 s, the non-effluent section stops production automatically after 1.0 s, the effluent pipe starts to be extruded from the pipe forming unit (8). The effluent and non-effluent sections are automatically produced alternately.

[0026] The pipe extruded from pipe forming unit (8) is drawn to an automatic pipe coiler through a pipe traction cutting machine after cooling by pipeline cooling device. Control the traction speed of traction cutting machine to 0.04 m/s, set the total pipe length at 150 m, after reaching 150 m, the pipe traction cutter automatically cuts the pipe, and the automatic pipe coiling machine tightens the pipe to pack.

[0027] The performance parameters of the seepage irrigation pipe with alternating effluent sections and non-effluent sections are: the inner and outer diameter of the pipe is 16 mm and 21 mm, respectively; the wall thickness of the pipe is 2.5 mm. The pipe can be buried at 1030 cm below the ground for underground irrigation, with effluent section and non-effluent section appears alternately in the same pipe. The lengths of the effluent and non-effluent section are all 50 cm, the service life is more than 5 years, saving 45% of the cost.

Embodiment 2

[0028] Adjust the inner diameter and outer diameter of internal mold of the pipe forming unit (8) to 16.6 mm and 22.5 mm, respectively. Add 100 parts of 20 mesh desulfurized tire rubber powder (natural gum:synthetic gum:carbon black:aromatic oil:zinc oxide:stearic acid:accelerant=55:40:50:7:3:1:1:0.5) and 40 parts of 10 mesh high density polyethylene powder into a blender to stir for 25 minutes at 25 C.; load the mixture to the first extruder through the first automatic feeder (1); add 100 parts of 20 mesh desulfurized tire rubber powder (natural gum:synthetic gum:carbon black:aromatic oil:zinc oxide:stearic acid:accelerant=55:40:50:7:3:1:1:0.5) and 90 parts of 10 mesh high density polyethylene powder into the blender to stir for 25 minutes in at 25 C., load the mixture to the second extruder through the second automatic feeder.

[0029] Set the spindle speed of the first extruder (9) at 900 r/min. There are three heat-melting areas and one raw material extrusion area in the first extruder (9). Set the temperatures of three heat-melting areas and one raw material extrusion area at 127 C., 126 C., 137 C. and 138 C., respectively. After reacting for 12 minutes, the effluent pipe is extruded from the pipe forming unit.

[0030] Set the length of effluent section at 40 cm. When transiting from producing effluent section to producing non-effluent section, set the spindle speed of the second extruder at 960 r/min. The second extruder has four heat-melting areas and one raw material extrusion area, the temperatures of which are set at 128 C., 132 C., 138 C., 140 C., and 133 C., respectively. The spindle acceleration time of the second extruder is 0.8 s, the effluent section stops production automatically after 0.8 s, the non-effluent section starts to be extruded from the pipe forming unit.

[0031] Set the length of the non-effluent section at 90 cm, when transiting from producing non-effluent section to producing effluent section, set the spindle deceleration time of the second extruder at 0.7 s, the non-effluent section stops production automatically after 0.7 s, the effluent pipe starts to be extruded from the pipe forming unit. The effluent and non-effluent sections are automatically produced alternately.

[0032] The pipe extruded from pipe forming unit is drawn to an automatic pipe coiler through a pipe traction cutting machine after cooling by pipeline cooling device. Control the traction speed of traction cutting machine to 0.044 m/s, set the total pipe length at 200 m, after reaching 200 m, the pipe traction cutter automatically cuts the pipe, and the automatic pipe coiling machine tightens the pipe to pack.

[0033] The performance parameters of the seepage irrigation pipe with alternating effluent sections and non-effluent sections are: the inner and outer diameter of the pipe is 16 mm and 22 mm, respectively; the wall thickness of the pipe is 3.0 mm. The pipe can be buried at 1050 cm below the ground for underground irrigation, with effluent section and non-effluent section appears alternately in the same pipe. The length of the effluent is 40 cm, the length of the non-effluent section is 90 cm. The service life is more than 6 years. Cost-saving is above 55%.

Embodiment 3

[0034] Adjust the inner diameter and outer diameter of internal mold of the pipe forming unit (8) to 16.6 mm and 22.5 mm, respectively. Add 100 parts of 20 mesh desulfurized tire rubber powder (natural gum:synthetic gum:carbon black:aromatic oil:zinc oxide:stearic acid:accelerant=55:40:50:7:3:1:1:0.5) and 40 parts of 10 mesh high density polyethylene powder into a blender to stir for 25 minutes at 25 C.; load the mixture to the first extruder through the first automatic feeder.

[0035] The pipe extruded from pipe forming unit is drawn to an automatic pipe coiler through a pipe traction cutting machine after cooling by pipeline cooling device. Control the traction speed of traction cutting machine to 0.041 m/s, set the total pipe length at 120 m, after reaching 120 m, the pipe traction cutter automatically cuts the pipe, and the automatic pipe coiling machine wraps and packs the cut pipe.

[0036] The performance parameters of the full-permeability pipe produced by this Embodiment are as follows: the inner and outer diameter of the pipe is 16 mm and 22 mm, respectively; the wall thickness of the pipe is 3.0 mm. The pipe can be buried at 1035 cm below the ground for underground irrigation. The entire length of the pipe is permeable. The service life is more than 6 years. Cost-saving is above 60%.