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CN-121989402-A - Device and method for manufacturing solid foam discharging rod

CN121989402ACN 121989402 ACN121989402 ACN 121989402ACN-121989402-A

Abstract

The invention relates to the field of solid foam discharging rods for exhausting and collecting gas in gas field exploitation, in particular to a device and a method for manufacturing a solid foam discharging rod, wherein the manufacturing device comprises a heating reaction constant temperature container, a cylindrical mold, a bullet head mold and a cutter, a heating constant temperature system is arranged in the heating reaction constant temperature container, the bullet head mold is attached to the discharge end of the cylindrical mold, the heating reaction constant temperature container is communicated with the cylindrical mold, and liquid in the heating reaction constant temperature container is input into the cylindrical mold and the bullet head mold; pressurizing the cylindrical mould to enable the liquid to be filled in the cylindrical mould body and the bullet head mould to be solidified and formed into a preset shape, and cutting the formed rocket-shaped and cylindrical solid foam discharging rod by a cutter and a method for manufacturing the solid foam discharging rod by using the device. The invention can make the liquid foam discharging agent enter the mould to be formed by hydraulic extrusion, and has higher quality and production efficiency.

Inventors

  • YE HAIFENG
  • LI CHAO
  • XIN JUN
  • WEN TAO

Assignees

  • 中国石油天然气集团有限公司
  • 中国石油集团川庆钻探工程有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (17)

  1. 1. A solid foam bar manufacturing device is characterized by comprising a heating reaction constant temperature container (1), a cylindrical die (2), a bullet head die (3), a pressurizing pushing mechanism and a conveying mechanism, wherein the pressurizing pushing mechanism is arranged at one end of the cylindrical die (2), the bullet head die (3) and the conveying mechanism are sequentially arranged at the other end of the cylindrical die (2), an injection cavity is formed among a piston (27) of the pressurizing pushing mechanism, the cylindrical die (2) and the bullet head die (3), the heating reaction constant temperature container (1) is communicated with the injection cavity and is used for injecting raw materials into the cylindrical die (2) and the bullet head die (3), the pressurizing pushing mechanism is used for pressurizing and forming the raw materials in the injection cavity into a solid foam bar, the cylindrical die (2) is connected with a translation mechanism, the bullet head die (3) is connected with a lifting mechanism, after the foam bar is formed, the translation driving mechanism drives the cylindrical die (2) to separate the bullet head die (3), the lifting mechanism moves radially to avoid the solid foam bar, and the pressurizing pushing mechanism gradually pushes the solid foam bar out of the cylindrical die (2) to the conveying mechanism.
  2. 2. The solid foam bar manufacturing apparatus according to claim 1, further comprising a cutter (11) provided at an end of the cylindrical mold (2) near the bullet head mold (3), the cutter (11) being configured to cut the pushed-out molded solid foam bar from the end of the cylindrical mold (2) after the molded solid foam bar is pushed out of the cylindrical mold (2) by the pressurizing pushing mechanism.
  3. 3. A solid foam discharging rod making device according to claim 2, wherein the cutter (11) comprises a saw blade (35), a saw blade driving motor (38) for driving the saw blade (35) to act, and a driving assembly for driving the saw blade (35) and the saw blade driving motor (38) to move along the radial direction of the formed solid foam discharging rod.
  4. 4. A solid foam bar manufacturing device according to claim 3, characterized in that the saw blade (35) is a chain saw blade, sleeved on the saw blade mounting frame, and the saw blade driving motor (38) is in transmission connection with a driving wheel on the saw blade mounting frame through a transmission rod (39) to drive the chain saw blade to rotate.
  5. 5. The solid foam busbar manufacturing device according to claim 4, wherein the bottom of the saw blade mounting frame is slidably connected to the sliding rail (36), and the driving assembly is connected to the saw blade mounting frame to drive the saw blade mounting frame to slide along the sliding rail (36).
  6. 6. The solid foam stick manufacturing apparatus of claim 5, wherein the driving assembly is a hydraulic cylinder three (7.3).
  7. 7. A solid foam stick manufacturing device according to any of claims 2-6, characterized in that a waste collector (6) is arranged below the cutter (11).
  8. 8. A solid foam bar manufacturing apparatus according to any one of claims 1-6, characterized in that a stirrer (20), a heating constant temperature system (19), an infrared level meter (17) and a temperature sensor (18) are arranged in the heating reaction constant temperature container (1).
  9. 9. A solid foam bar manufacturing apparatus according to any one of claims 1-6, wherein the heating reaction thermostatic vessel (1) is provided with a foam agent injection port (22) and a curing agent injection port (23) at the upper part.
  10. 10. The solid foam discharging rod manufacturing device according to any one of claims 1 to 6, wherein an output port (24) at the lower part of the heating reaction constant temperature container (1) is connected with an output pipeline (15), an input port of the cylindrical die (2) is connected with an injection pipeline (29), the output pipeline (15) and the injection pipeline (29) are connected through a universal joint (16), and a switch valve (14) is arranged on the output pipeline (15) and/or the injection pipeline (29).
  11. 11. The solid foam bar manufacturing device according to claim 1, wherein the translation mechanism comprises a linear guide rail (13) and a bracket sliding block (25) which is arranged at the bottom of the cylindrical die (2) and is in sliding fit with the linear guide rail (13), the cylindrical die (2) is connected with a transmission assembly (8), and the transmission assembly (8) controls the cylindrical die (2) to reciprocate along the linear guide rail (13).
  12. 12. The solid foam bar manufacturing device according to claim 11, wherein the transmission assembly (8) comprises a stepping motor (40), a transmission shaft (41) and a gear (42) arranged on the transmission shaft (41), and a flat rack (26) meshed with the gear (42) is arranged at the bottom of the cylindrical die (2) along the advancing direction.
  13. 13. The solid foam bar manufacturing device according to claim 1, characterized in that the wall thickness of the bottom section of the cylindrical mould (2) is provided with equidistant cooling channels (30) which are axially perforated.
  14. 14. The solid foam bar manufacturing device according to claim 1, wherein the bullet head die (3) comprises a bullet head die body (33), the lifting mechanism comprises a vertical supporting rod (32), a fixed support (34) and a hydraulic cylinder II (7.2), the bullet head die body (33) is connected with the fixed support (34), and the fixed support (34) is installed on the vertical supporting rod (32) in a lifting manner through the hydraulic cylinder II (7.2).
  15. 15. The solid foam discharging rod manufacturing device according to claim 1, wherein a piston (27) of the pressurizing and pushing mechanism is connected with a push rod (28), the push rod (28) is connected with a first hydraulic cylinder (7.1), and the first hydraulic cylinder (7.1) controls the push rod (28) to drive the piston (27) to reciprocate in the cylindrical die (2).
  16. 16. The solid foam busbar manufacturing device according to claim 1, wherein the conveying mechanism comprises a semicircular groove (4) and a conveying belt (5), and the semicircular groove (4) and the conveying belt (5) are sequentially arranged on one side, far away from the cylindrical die (2), of the bullet die (3).
  17. 17. A method of making a solid foam stick according to any one of claims 1 to 16, comprising the steps of: S1, determining the volume V of a solid foam discharging rod die according to the size of a gas well oil pipe, heating a solution to a certain preset temperature T1 through a heating reaction thermostatic vessel (1), and keeping the temperature constant; S2, tightly attaching the cylindrical die (2) at an initial position X1 and the bullet die (3) at an initial position Y1; S3, opening a pipeline switch through a control system (9), heating a reaction thermostatic vessel (1) to inject liquid into a cylindrical die (2) and a bullet head die (3), determining the time T1 of complete injection into the die according to injection flow and die volume, determining the liquid level change delta h through an infrared liquid level meter (17) of the heating reaction thermostatic vessel (1), closing the switch after the injection is finished, starting a hydraulic cylinder I (7.1) for controlling a piston (27) in the cylindrical die (2), pushing a piston (27) by a push rod (28) to compact the solution to an initial position X3 of the piston (27), standing still, and determining the time T2 of complete solidification of the solution in the cylindrical die (2) and the bullet head die (3); S4, starting a first hydraulic cylinder (7.1) through a control system (9), after retracting a push rod (28) and a piston (27) to a specified position X4, starting a motor of a transmission assembly (8) to drive a gear (42) to drive a cylindrical die (2) to translate to a specified position X2, and separating the cylindrical die from a bullet die (3), wherein the translation distance is the length of a bullet die body (33), and starting a second hydraulic cylinder (7.2) of the bullet die (3) to push the bullet die body (33) to vertically move up to a specified position Y2, wherein the translation distance is the diameter length of a solid foam bar cylindrical hollow die body; S5, the transmission assembly (8) drives the cylindrical die (2) to translate to an initial position X1, the cutter (11) and the matched hydraulic cylinder III (7.3) are started to cut rocket-like solid foam discharging rods, the first hydraulic cylinder (7.1) is started to stop when pushing the piston (27) in the cylindrical die (2) to the position X5, the cutter (11) and the matched hydraulic cylinder III (7.3) are started to cut cylindrical solid foam discharging rods, and the cutter (11) radially cuts the solid foam discharging rods to finish the time T3; S6, when the first hydraulic cylinder (7.1) is started to push the piston (27) to the position X1, the solid foam discharging rod is completely pushed out of the cylindrical die (2) to the semicircular groove (4); S7, returning the cylindrical die (2) to an initial position X1, returning the bullet head die (3) to an initial position Y1, driving the piston (27) to return to the initial position X3 by the push rod (28), repeating the steps S2-S6, manufacturing the N solid foam discharging rod, pushing the N+1th solid foam discharging rod into the semicircular groove (4) after the N+1th solid foam discharging rod is manufactured, and pushing the N solid foam discharging rod onto the conveyor belt (5).

Description

Device and method for manufacturing solid foam discharging rod Technical Field The invention relates to the field of solid foam discharging rods for gas discharge and gas production in gas field exploitation, in particular to a device and a method for manufacturing a solid foam discharging rod. Background In the exploitation process of natural gas, gaseous water in a well is liquefied into liquid water, liquid is formed at the bottom of a natural gas well, and natural gas yield is affected, so that a solid foam discharging rod capable of automatically bubbling is used for being contacted with liquid at the bottom of the well to generate a large amount of low-density foam, and the foam is carried to the ground along with airflow from the bottom of the well, so that the purpose of removing the liquid at the bottom of the well is achieved. In the existing solid foam discharging rod preparation device and method, for example, chinese patent publication CN113510961A discloses a self-foaming solid foam discharging ball mould and a preparation method thereof, and the self-foaming solid foam discharging ball mould utilizes an upper hemispherical mould, a lower hemispherical mould and a stroke rod passing through the lower hemispherical mould; the device and the method relate to the manufacture of a mould, but not the manufacture flow method of the solid foam discharging agent, and the mould related to the patent is spherical, namely the produced solid foam discharging agent is spherical, and blockage accidents are easy to occur in the continuous input process to an oil pipe, so that the spherical solid foam discharging agent cannot reach a liquid accumulation section, does not contact with liquid accumulation, does not react, and cannot produce the beneficial effects of drainage and gas production. Chinese patent publication CN203236737U discloses a foam bar pressing device, in which a pressing device for pressing a foam bar forming mold downward is provided on a first support plate and a second support plate. The patent proposes a mould device for processing a foam discharging rod, which can not process liquid foam discharging rod raw materials and can only play a certain role in compacting and shaping a finished solid foam discharging rod. The Chinese patent publication CN208669285U discloses a field modification processing device for a foam discharging rod, which relates to a field modification processing device for a foam discharging rod, wherein a groove I is communicated with a groove II to form a pressing cavity, when the foam discharging rod is used, under the extrusion action of a first shell and a second shell, on one hand, the density of the foam discharging rod is increased, the volume is reduced, on the other hand, the redundant materials extruded from the foam discharging rod are discharged out of the pressing cavity, so that the volume can be reduced, the foam discharging rod with the conventional size is modified into at least two foam discharging rods for use, the volume of the foam discharging rod is reduced, the blocking phenomenon caused in the falling process of the foam discharging rod is avoided, and the foam discharging rod can smoothly enter the bottom of a well to contact and react with accumulated liquid. This patent is primarily directed to secondary machining and cutting of finished solid foam bars, but actual solid foam bars are poor in plasticity, and with extrusion deformation, it is possible to make the solid foam bars into chips rather than to keep the shape unchanged, and only to change the diameter and length. In summary, the existing device and method for manufacturing the solid foam discharging rod are imperfect, and the device and method for manufacturing the solid foam discharging rod by using the solid foam discharging agent liquid raw material are lacked. Disclosure of Invention The invention aims to solve the technical problems of providing a device and a method for manufacturing a solid foam discharging rod by using raw materials for manufacturing a solid foam discharging agent. The technical scheme includes that the solid foam bar manufacturing device comprises a heating reaction constant temperature container, a cylindrical die, a bullet head die, a pressurizing pushing mechanism and a conveying mechanism, wherein the pressurizing pushing mechanism is arranged at one end of the cylindrical die, the bullet head die and the conveying mechanism are sequentially arranged at the other end of the cylindrical die, an injection cavity is formed among a piston of the pressurizing pushing mechanism, the cylindrical die and the bullet head die, the heating reaction constant temperature container is communicated with the injection cavity and injects raw materials into the cylindrical die and the bullet head die, the pressurizing pushing mechanism pressurizes and forms the raw materials in the injection cavity into solid foam bars through movement of the piston, the cylindrical die