CN110435158B - Composite geomembrane welding construction method for water storage tank - Google Patents
Composite geomembrane welding construction method for water storage tank Download PDFInfo
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- CN110435158B CN110435158B CN201910591079.2A CN201910591079A CN110435158B CN 110435158 B CN110435158 B CN 110435158B CN 201910591079 A CN201910591079 A CN 201910591079A CN 110435158 B CN110435158 B CN 110435158B
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
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Abstract
The invention discloses a composite geomembrane welding construction method for a water storage pool, which comprises the steps of geomembrane laying, geomembrane welding and welding detection, wherein an automatic welding device comprises a welding machine main body, one side of the welding machine main body is provided with a supporting seat, the upper surface of the supporting seat is fixedly provided with a supporting rod, a connecting cross rod is arranged on the supporting rod, a moving adjusting mechanism is fixed on the connecting cross rod, one side of the moving adjusting mechanism is provided with a first mounting plate, one side of the first mounting plate is fixedly provided with another moving adjusting mechanism, one side of the moving adjusting mechanism is provided with a driving motor, and the output end of the driving motor is fixedly provided with a fan; the device can clear away the pollutant and weld the geomembrane simultaneously, need not artificially to clear away the pollutant, has reduced intensity of labour, has improved work efficiency, and the angle of fan is convenient for control, can accurately clear away geomembrane surface pollutant fast to improve welding quality.
Description
Technical Field
The invention relates to the technical field of water storage engineering, in particular to a composite geomembrane welding construction method for a water storage tank.
Background
The geomembrane is a geomembrane anti-seepage material compounded by a plastic film serving as an anti-seepage base material and non-woven fabrics, and the anti-seepage performance of the novel material geomembrane mainly depends on the anti-seepage performance of the plastic film. The plastic film for domestic and overseas anti-seepage application mainly comprises polyvinyl chloride, polyethylene and EVA, and ECB is also designed and used in tunnel application, and is a high-molecular chemical flexible material with small specific gravity, strong extensibility, high deformation adaptability, corrosion resistance, low temperature resistance and good freezing resistance;
the patent document (CN 102041800A) discloses a construction method of an earth and rockfill dam PVC composite geomembrane impervious core wall, wherein sand, soil and other dirt on the surface of the membrane are required to be blown off during welding to ensure that the surface of a PVC membrane is clean, and the method can only blow off the dirt and then weld, so that the labor intensity is high, and the construction speed is low and the working efficiency is low easily caused.
Disclosure of Invention
The invention aims to provide a composite geomembrane welding construction method for a water storage tank, which is characterized in that an automatic welding device integrating a welding machine and a fan is improved to weld a geomembrane, the fan is arranged in front of a main body of the welding machine, and the main body of the welding machine blows air to a to-be-welded part through the fan before welding the geomembrane, so that dust and gravel on the geomembrane are removed, the main body of the welding machine is convenient to weld, the device can simultaneously remove pollutants and weld the geomembrane without manually removing the pollutants, and the technical problems of high labor intensity and low working efficiency caused by the fact that the pollutants need to be manually removed before welding by the existing geomembrane welding machine are solved;
through setting up fore-and-aft longitudinal movement adjustment mechanism and horizontal lateral shifting adjustment mechanism respectively, can come the position to the adjusting fan through rotating corresponding hand wheel, thereby it is rotatory to drive the fan through driving motor and adjust its angle to make the fan satisfy the air-out angle, the angle of fan is convenient for control, can accurately clear away geomembrane surface pollutant fast, thereby has solved the artificial technical problem who clears away the unable accurate control position of pollutant and lead to clear away the unsatisfactory influence welding quality of effect.
The purpose of the invention can be realized by the following technical scheme:
a composite geomembrane welding construction method for a water storage tank comprises the following specific steps:
and (3) laying of the geomembrane: leveling the bottom and the wall of a constructed water storage tank and removing sharp objects, and laying a geomembrane on the leveled bottom of the water storage tank, when laying the wall of the water storage tank, firstly placing a geomembrane roller at the mouth of the water storage tank, then unreeling and laying the geomembrane along the wall of the tank, and simultaneously adjusting the welding margin distance between the geomembrane on the wall of the tank and the geomembrane on the bottom of the tank to ensure that the lap joint width of the two geomembranes is more than 10 cm;
and (3) welding the geomembrane: firstly, taking a geomembrane sample for trial welding, starting formal welding when the test value of the trial welding meets the operation requirement, enabling one end of the geomembrane to pass through the upper part of a fixed short rod of an automatic welding device and pass through a welding machine main body, manually rotating a hand-operated wheel on a longitudinally-arranged longitudinal movement adjusting mechanism and driving a fan to lift, manually rotating a hand-operated wheel on a transversely-arranged transverse movement adjusting mechanism to drive the fan to horizontally move, controlling the fan to move to a specified position, enabling a nozzle at one end of the fan to face a position to be welded, driving the fan to rotate through a driving motor, driving air flow to be sprayed out through the nozzle by the fan, completely removing dust and gravel at the position to be welded of the geomembrane, simultaneously starting the welding machine main body, driving the motor inside the welding machine main body to move along the position to be welded, and simultaneously welding the geomembrane;
welding detection: and (3) sealing two ends of the cavity between the two welding lines, simultaneously inflating the cavity, stopping inflating when the air pressure reaches 0.06MPa, observing for 45s, and completing welding if the air pressure does not decrease, and repairing welding if the requirements are not met.
Further, the welding environment temperature of the geomembrane sample is 20-30 ℃.
Further, the moving speed of the automatic welding device is 0.4-0.5m/s, and the welding temperature is 425-470 ℃.
Furthermore, the number of the welding seams is two, the width of each welding seam is 8-10mm, and the distance between every two welding seams is 12 mm.
Furthermore, the thickness of the center of the welding line is 1.5-2 times of the thickness of the film, and the thickness of the middle part of the welding line is 2-4 mm.
Further, the automatic welding device comprises a welding machine main body, a supporting seat is fixedly installed on one side of the welding machine main body, a supporting rod is longitudinally fixed on the upper surface of the supporting seat, a connecting cross rod is fixedly installed on the supporting rod, a longitudinal movement adjusting mechanism is longitudinally fixed on the connecting cross rod, a first mounting plate is arranged on one side of the longitudinal movement adjusting mechanism, another transverse movement adjusting mechanism is transversely fixed on one side of the first mounting plate, a driving motor is arranged on one side, away from the first mounting plate, of the transverse movement adjusting mechanism, a fan is fixedly installed at the output end of the driving motor, and a nozzle is fixedly installed at one end of the fan;
a fixed long rod is transversely fixed on one side of the supporting seat, a fixed cross rod is fixedly installed at one end, far away from the supporting seat, of the fixed long rod, the fixed cross rod is perpendicular to the fixed long rod, a fixed short rod perpendicular to the fixed cross rod is fixedly connected to one side, connected with the fixed long rod, of the fixed cross rod, fixing seats are fixedly installed on the fixed short rod and the fixed long rod, the two fixing seats are symmetrically arranged, and rollers are installed on the outer sides of the fixing seats;
the longitudinal movement adjusting mechanism and the transverse movement adjusting mechanism both comprise a shell, a lead screw is rotatably connected to the inner side of the shell, one end of the lead screw penetrates through the inner wall of one side of the shell, extends to the outer side of the shell and is fixedly connected with a hand-operated wheel, and two strip-shaped through grooves which are distributed in parallel are formed in the surface of one side of the shell;
one side of the first mounting plate is fixedly connected with two first connecting rods, one ends of the two first connecting rods respectively penetrate through the strip-shaped through grooves in the longitudinally arranged longitudinal movement adjusting mechanism and extend to the inner side of the shell, and are fixedly connected with first connecting seats, and the first connecting seats are in threaded connection with a lead screw on the inner side of the shell;
one side fixed mounting of driving motor has the second mounting panel, one side fixedly connected with that the second mounting panel is close to lateral shifting adjustment mechanism is two second connecting rods that are upper and lower distribution, two the second connecting rod runs through two bar logical grooves on the lateral shifting adjustment mechanism of horizontal setting respectively and extends to the inboard of casing, the one end fixedly connected with second connecting seat of second connecting rod, second connecting seat and the lead screw threaded connection who corresponds.
When the automatic welding device is used, one end of the geomembrane passes through the upper part of the fixed short rod and penetrates through the welding machine main body, a hand-operated wheel on a longitudinal movement adjusting mechanism which is longitudinally arranged is manually rotated, the hand-operated wheel drives a lead screw which is fixed with the hand-operated wheel to rotate, the lead screw drives a first connecting seat which is in threaded connection with the lead screw to rotate, the first connecting seat drives a first mounting plate to longitudinally move through a first connecting rod and drives a fan to lift, the hand-operated wheel on a transverse movement adjusting mechanism which is transversely arranged is manually rotated, the hand-operated wheel drives the lead screw which is fixed with the hand-operated wheel to rotate, the lead screw drives a second connecting seat which is in threaded connection with the lead screw to rotate, the second connecting seat drives a second mounting plate to rotate through a second connecting rod and drives the fan to horizontally move, the fan is controlled to move to a designated position, a nozzle at one end of the fan faces to a welding seam, a driving motor is started, an output shaft of the driving motor drives the fan to rotate, the fan drives the air current and passes through the nozzle blowout, gets rid of the dust and the grit of geomembrane welding seam department totally, starts the welding machine main part, and the inside motor of welding machine main part drives its automatic movement and welds the geomembrane.
The invention has the beneficial effects that:
the automatic welding device adopts the integrated design of the welding machine and the fan, the fan is arranged in front of the welding machine main body, and the welding machine main body blows air to a part to be welded through the fan before welding the geomembrane, so that dust and gravel on the geomembrane are removed, the welding machine main body is convenient to weld, the device can simultaneously remove pollutants and weld the geomembrane, the pollutants do not need to be manually removed, the labor intensity is reduced, the construction speed is high, and the working efficiency is improved;
through setting up fore-and-aft longitudinal movement adjustment mechanism and horizontal lateral shifting adjustment mechanism respectively, can drive the rotatory its angle of adjustment of fan through driving motor to the position of adjusting the fan through rotating corresponding hand wheel to make the fan satisfy the air-out angle, the angle of this fan is convenient for control, can accurately clear away geomembrane surface pollutant fast, thereby improves welding quality.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of an automatic welding apparatus according to the present invention;
FIG. 2 is a schematic view of an automatic welding apparatus according to another embodiment of the present invention;
FIG. 3 is a top sectional view of a partial structure of the automatic welding apparatus of the present invention.
In the figure: 1. a welding machine main body; 2. a supporting seat; 3. fixing the long rod; 4. fixing the cross bar; 5. fixing the short rod; 6. a fixed seat; 7. a roller; 8. a support bar; 9. connecting the cross bars; 110. a longitudinal movement adjustment mechanism; 120. a lateral movement adjustment mechanism; 101. a housing; 102. a strip-shaped through groove; 103. a lead screw; 104. a hand-operated wheel; 11. a first mounting plate; 12. a second mounting plate; 13. a drive motor; 14. a fan; 15. a first connecting rod; 16. a first connecting seat; 17. a second connecting rod; 18. a second connecting seat; 19. and (4) a nozzle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in fig. 1 to 3, a composite geomembrane welding construction method for a water storage tank includes the following specific steps:
and (3) laying of the geomembrane: leveling the bottom and the wall of a constructed water storage tank and removing sharp objects, and laying a geomembrane on the leveled bottom of the water storage tank, when laying the wall of the water storage tank, firstly placing a geomembrane roller at the mouth of the water storage tank, then unreeling and laying the geomembrane along the wall of the tank, and simultaneously adjusting the welding margin distance between the geomembrane on the wall of the tank and the geomembrane on the bottom of the tank to ensure that the lap joint width of the two geomembranes is more than 10 cm;
and (3) welding the geomembrane: firstly, taking a geomembrane sample for trial welding, starting formal welding when the test value of the trial welding meets the operation requirement, enabling one end of the geomembrane to pass through the upper part of a fixed short rod 5 of an automatic welding device and penetrate through a welding machine main body 1, manually rotating a hand-operated wheel 104 on a longitudinal movement adjusting mechanism 110 which is longitudinally arranged and driving a fan 14 to lift, manually rotating a hand-operated wheel 104 on a transverse movement adjusting mechanism 120 which is transversely arranged to drive the fan 14 to horizontally move, controlling the fan 14 to move to a specified position, enabling a nozzle 19 at one end of the fan 14 to face a position to be welded, driving the fan 14 to rotate through a driving motor 13, driving air flow to be sprayed out through a nozzle 19 by the fan 14, completely removing dust and gravel at the position to be welded of the geomembrane, simultaneously starting the welding machine main body 1, driving the internal motor of the welding machine main body 1 to move along the position to be welded and simultaneously welding the geomembrane, two welding seams are welded;
welding detection: and (3) sealing two ends of the cavity between the two welding lines, simultaneously inflating the cavity, stopping inflating when the air pressure reaches 0.06MPa, observing for 45s, and completing welding if the air pressure does not decrease, and repairing welding if the requirements are not met.
The environment welding temperature of the geomembrane sample is 20-30 ℃.
The moving speed of the automatic welding device is 0.4-0.5m/s, and the welding temperature is 425-470 ℃.
The width of the welding line is 8-10mm, and the distance between the two welding lines is 12 mm.
The thickness of the center of the welding line is 1.5-2 times of the thickness of the film, and the thickness of the middle part of the welding line is 2-4 mm.
The automatic welding device comprises a welding machine main body 1, wherein a supporting seat 2 is fixedly installed on one side of the welding machine main body 1, a supporting rod 8 is longitudinally fixed on the upper surface of the supporting seat 2, a connecting cross rod 9 is fixedly installed on the supporting rod 8, a longitudinal movement adjusting mechanism 110 is longitudinally fixed on the connecting cross rod 9, a first mounting plate 11 is arranged on one side of the movement adjusting mechanism 10, another transverse movement adjusting mechanism 120 is transversely fixed on one side of the first mounting plate 11, a driving motor 13 is arranged on one side, away from the first mounting plate 11, of the transverse movement adjusting mechanism 120, a fan 14 is fixedly installed at the output end of the driving motor 13, and a nozzle 19 is fixedly installed at one end of the fan 14;
a fixed long rod 3 is transversely fixed on one side of the supporting seat 2, a fixed cross rod 4 is fixedly installed at one end, far away from the supporting seat 2, of the fixed long rod 3, the fixed cross rod 4 is perpendicular to the fixed long rod 3, a fixed short rod 5 perpendicular to the fixed cross rod 4 is fixedly connected to one side, connected with the fixed long rod 3, of the fixed cross rod 4, fixed seats 6 are fixedly installed on the fixed short rod 5 and the fixed long rod 3, the two fixed seats 6 are symmetrically arranged, and idler wheels 7 are installed on the outer sides of the fixed seats 6;
the longitudinal movement adjusting mechanism 110 and the transverse adjusting mechanism 120 both comprise a shell 101, the inner side of the shell 101 is rotatably connected with a lead screw 103, one end of the lead screw 103 penetrates through the inner wall of one side of the shell 101, extends to the outer side of the shell 101 and is fixedly connected with a hand-operated wheel 104, and the surface of one side of the shell 101 is provided with two strip-shaped through grooves 102 which are distributed in parallel;
one side of the first mounting plate 11 is fixedly connected with two first connecting rods 15, one ends of the two first connecting rods 15 respectively penetrate through the strip-shaped through groove 102 on the longitudinally-arranged longitudinal movement adjusting mechanism 110 and extend to the inner side of the shell 101, and are fixedly connected with first connecting seats 16, and the first connecting seats 16 are in threaded connection with a lead screw 103 on the inner side of the shell 101;
one side fixed mounting of driving motor 13 has second mounting panel 12, one side fixedly connected with that second mounting panel 12 is close to lateral shifting adjustment mechanism 120 is two second connecting rods 17 that are upper and lower distribution, two second connecting rods 17 run through two bar-shaped through grooves 102 on the lateral shifting adjustment mechanism 120 that transversely sets up respectively and extend to the inboard of casing 101, the one end fixedly connected with second connecting seat 18 of second connecting rod 17, second connecting seat 18 and the lead screw 103 threaded connection who corresponds.
The working principle of the device is as follows:
one end of the geomembrane passes through the upper part of the fixed short rod 5 and passes through the welding machine main body 1, a hand wheel 104 on a longitudinal movement adjusting mechanism 110 which is longitudinally arranged is manually rotated, the hand wheel 104 drives a lead screw 103 which is fixed with the hand wheel 104 to rotate, the lead screw 103 drives a first connecting seat 16 which is in threaded connection with the lead screw 103 to rotate, the first connecting seat 16 drives a first mounting plate 11 to longitudinally move through a first connecting rod 15 and drives a fan 14 to lift, the hand wheel 104 on a transverse movement adjusting mechanism 120 which is transversely arranged is manually rotated, the hand wheel 104 drives the lead screw 103 which is fixed with the hand wheel 104 to rotate, the lead screw 103 drives a second connecting seat 18 which is in threaded connection with the lead screw 103 to rotate, the second connecting seat 18 drives a second mounting plate 12 to rotate through a second connecting rod 17 and drives the fan 14 to horizontally move, the fan 14 is controlled to move to a designated position, a nozzle 19 at one end of the fan 14 faces to a welding seam, and a driving motor 13 is started, the output shaft of driving motor 13 drives fan 14 and rotates, and fan 14 drives the air current and passes through nozzle 19 blowout, gets rid of the dust and the grit of geomembrane welding seam department totally, starts welding machine main part 1, and the inside motor of welding machine main part 1 drives its automatic movement, welds the geomembrane simultaneously.
The automatic welding device adopts the integrated design of the welding machine and the fan 14, the fan 14 is arranged in front of the welding machine main body 1, and the welding machine main body 1 blows air to a to-be-welded part through the fan 14 before welding the geomembrane, so that dust and gravel on the geomembrane are removed, the welding machine main body 1 is convenient to weld, the device can simultaneously remove pollutants and weld the geomembrane, the pollutants do not need to be manually removed, the labor intensity is reduced, the construction speed is high, and the working efficiency is improved;
through setting up fore-and-aft longitudinal movement adjustment mechanism 110 and horizontal lateral shifting adjustment mechanism 120 respectively, can come to adjust the position of fan 14 through rotating corresponding hand wheel 104, thereby drive its angle of fan 14 rotation adjustment through driving motor 13 to make fan 14 satisfy the air-out angle, the angle of this fan 14 is convenient for control, can accurately clear away geomembrane surface pollutant fast, guarantees to treat the cleanness of welding department, thereby improves welding quality.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A composite geomembrane welding construction method for a water storage tank is characterized by comprising an automatic welding device, wherein the automatic welding device comprises a welding machine main body, a supporting seat is fixedly arranged on one side of the welding machine main body, a supporting rod is longitudinally fixed on the upper surface of the supporting seat, a connecting cross rod is fixedly arranged on the supporting rod, a longitudinal movement adjusting mechanism is longitudinally fixed on the connecting cross rod, a first mounting plate is arranged on one side of the longitudinal movement adjusting mechanism, a transverse movement adjusting mechanism is transversely fixed on one side of the first mounting plate, a driving motor is arranged on one side, away from the first mounting plate, of the transverse movement adjusting mechanism, a fan is fixedly arranged at the output end of the driving motor, and a nozzle is fixedly arranged at one end of the fan;
a fixed long rod is transversely fixed on one side of the supporting seat, a fixed cross rod is fixedly installed at one end, far away from the supporting seat, of the fixed long rod, the fixed cross rod is perpendicular to the fixed long rod, a fixed short rod perpendicular to the fixed cross rod is fixedly connected to one side, connected with the fixed long rod, of the fixed cross rod, fixing seats are fixedly installed on the fixed short rod and the fixed long rod, the two fixing seats are symmetrically arranged, and rollers are installed on the outer sides of the fixing seats;
the longitudinal movement adjusting mechanism and the transverse movement mechanism both comprise a shell, a lead screw is rotatably connected to the inner side of the shell, one end of the lead screw penetrates through the inner wall of one side of the shell, extends to the outer side of the shell and is fixedly connected with a hand-operated wheel, and two strip-shaped through grooves which are distributed in parallel are formed in the surface of one side of the shell;
one side of the first mounting plate is fixedly connected with two first connecting rods, one ends of the two first connecting rods respectively penetrate through the strip-shaped through grooves in the longitudinally arranged longitudinal movement adjusting mechanism and extend to the inner side of the shell, and are fixedly connected with first connecting seats, and the first connecting seats are in threaded connection with a lead screw on the inner side of the shell;
a second mounting plate is fixedly mounted on one side of the driving motor, two second connecting rods which are distributed up and down are fixedly connected to one side, close to the transverse movement adjusting mechanism, of the second mounting plate, the two second connecting rods respectively penetrate through two strip-shaped through grooves in the transverse movement adjusting mechanism which is transversely arranged and extend to the inner side of the shell, one end of each second connecting rod is fixedly connected with a second connecting seat, and the second connecting seats are in threaded connection with corresponding lead screws;
the method comprises the following specific steps:
and (3) laying of the geomembrane: leveling the bottom and the wall of a constructed water storage tank and removing sharp objects, and laying a geomembrane on the leveled bottom of the water storage tank, when laying the wall of the water storage tank, firstly placing a geomembrane roller at the mouth of the water storage tank, then unreeling and laying the geomembrane along the wall of the tank, and simultaneously adjusting the welding margin distance between the geomembrane on the wall of the tank and the geomembrane on the bottom of the tank to ensure that the lap joint width of the two geomembranes is more than 10 cm;
and (3) welding the geomembrane: firstly, taking a geomembrane sample for trial welding, starting formal welding when the test value of the trial welding meets the operation requirement, enabling one end of the geomembrane to pass through the upper part of a fixed short rod of an automatic welding device and pass through a welding machine main body, manually rotating a hand-operated wheel on a longitudinally-arranged longitudinal movement adjusting mechanism and driving a fan to lift, manually rotating a hand-operated wheel on a transversely-arranged transverse movement adjusting mechanism to drive the fan to horizontally move, controlling the fan to move to a specified position, enabling a nozzle at one end of the fan to face a position to be welded, driving the fan to rotate through a driving motor, driving air flow to be sprayed out through the nozzle by the fan, completely removing dust and gravel at the position to be welded of the geomembrane, simultaneously starting the welding machine main body, driving the motor inside the welding machine main body to move along the position to be welded, and simultaneously welding the geomembrane;
welding detection: and (3) sealing two ends of the cavity between the two welding lines, simultaneously inflating the cavity, stopping inflating when the air pressure reaches 0.06MPa, observing for 45s, and completing welding if the air pressure does not decrease, and repairing welding if the requirements are not met.
2. The composite geomembrane welding construction method for the water storage tank according to the claim 1, wherein the environment temperature of the geomembrane sample welding is 20-30 ℃.
3. The composite geomembrane welding construction method for the water storage tank as claimed in claim 1, wherein the moving speed of the automatic welding device is 0.4-0.5m/s, and the welding temperature is 425 ℃ and 470 ℃.
4. The composite geomembrane welding construction method for the water storage tank according to claim 1, wherein the number of the welding seams is two, the width of the welding seams is 8-10mm, and the distance between the two welding seams is 12 mm.
5. The composite geomembrane welding construction method for the water storage tank according to claim 1, wherein the thickness of the center of the welding line is 1.5-2 times of the film thickness, and the thickness of the middle part of the welding line is 2-4 mm.
6. The composite geomembrane welding construction method for the water storage tank according to claim 1, wherein when the automatic welding device is in use, one end of the geomembrane passes through the upper part of the fixed short rod and passes through the welding machine main body, the hand wheel on the longitudinal movement adjusting mechanism which is longitudinally arranged is manually rotated, the hand wheel drives the lead screw which is fixed with the hand wheel to rotate, the lead screw drives the first connecting seat which is in threaded connection with the lead screw to rotate, the first connecting seat drives the first mounting plate to longitudinally move through the first connecting rod and drives the fan to lift, the hand wheel on the transverse movement adjusting mechanism which is transversely arranged is manually rotated drives the lead screw which is fixed with the hand wheel to rotate, the lead screw drives the second connecting seat which is in threaded connection with the lead screw to rotate, the second connecting seat drives the second mounting plate to rotate through the second connecting rod and drives the fan to horizontally move, and the fan is controlled to move to a designated, make the nozzle of fan one end towards welding seam department, start driving motor, driving motor's output shaft drives the fan and rotates, and the fan drives the air current and passes through the nozzle blowout, gets rid of dust and grit of geomembrane welding seam department totally, starts the welding machine main part, and the inside motor of welding machine main part drives its automatic movement and welds the geomembrane.
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| CN112123790A (en) * | 2020-09-17 | 2020-12-25 | 陶惠芹 | Anti-seepage geomembrane installation construction method |
| CN113172894A (en) * | 2021-03-25 | 2021-07-27 | 王昭霞 | Welding machine for welding geomembrane of methane tank |
| CN114347484B (en) * | 2021-12-30 | 2023-10-03 | 中国水利水电第七工程局有限公司 | Geomembrane mechanical paving and welding integrated operation equipment and method |
| CN115284620B (en) * | 2022-10-09 | 2023-03-24 | 八斗新材料(德州)有限公司 | Geomembrane welding method and welding machine |
| WO2024100309A1 (en) * | 2022-11-11 | 2024-05-16 | Atarfil, S.L. | Deployment machine, welding machine, equipment and method for the automated installation of geomembranes |
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| WO2005095090A1 (en) * | 2004-03-31 | 2005-10-13 | Trelleborg Ab | Sheeting material |
| CN208712297U (en) * | 2018-03-16 | 2019-04-09 | 四川信耀环境科技有限公司 | Geotechnological film bonding machine with automatic cleaning function |
| CN109183854A (en) * | 2018-11-06 | 2019-01-11 | 北京高能时代环境技术股份有限公司 | The construction method of geomembrane |
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