Search

CN-121977129-A - Outdoor pipeline quick thawing device

CN121977129ACN 121977129 ACN121977129 ACN 121977129ACN-121977129-A

Abstract

The invention relates to the technical field of pipeline freezing prevention and thawing, in particular to an outdoor pipeline rapid thawing device which comprises a lower cover body and an upper cover body, wherein the lower cover body and the upper cover body are fastened through a lower fixing ring, an upper fixing ring and a bolt and a nut, a top cover is arranged at the top of the upper cover body, a heat-insulating leather, heat-insulating cotton, a graphene heating plate and a spiral guide plate are sequentially arranged in an inner cavity, an air inlet pipe is connected with an air heater of the upper cover body through a first pipe group, an air outlet pipe is arranged on the lower cover body, a temperature measuring probe is arranged in the cavity, the graphene heating plate is fixed with an electrode plate through an installation block with a spring, and a sealing half ring is matched with the upper cover body and the lower cover body. The graphene electric heating and hot air spiral auxiliary heating mode is adopted, so that the graphene electric heating and hot air spiral auxiliary heating device is good in heat preservation, accurate in temperature control, convenient and fast to install, safer in no open fire, high in adaptability and capable of effectively solving the defects of the existing mode, and labor cost and operation period are greatly reduced.

Inventors

  • XUE LIHONG
  • GUO BAOHUA
  • GE XIAOJUN
  • ZHAO JUN
  • WEN HONGWU
  • ZHAO LEI
  • ZHANG JIAN
  • LI HAIWEN
  • ZHAO YUCHEN

Assignees

  • 苏晋塔山发电有限公司

Dates

Publication Date
20260505
Application Date
20260312

Claims (10)

  1. 1. The quick thawing device for the outdoor pipeline is characterized by comprising a lower cover body (1), wherein an upper cover body (2) is arranged at the top of the lower cover body (1), a lower fixing ring (3) is fixedly connected to the outer wall of the top end of the lower cover body (1), an upper fixing ring (4) is fixedly connected to the outer wall of the bottom end of the upper cover body (2), a top cover (5) is rotatably connected to the top of the upper cover body (2), cavities (6) are formed in the lower cover body (1) and the upper cover body (2), heat-insulating leather (7) are fixedly connected to the inner side of the cavities (6), heat-insulating cotton (8) is fixedly connected with the upper cover body (2) and the lower cover body (1) through rivets, a graphene heating plate (9) is fixedly connected to the inner side wall of the heat-insulating leather (7), a semicircular column groove (24) is formed in the inner side of the graphene heating plate (9), a spiral guide plate (10) is arranged on the inner side wall of the semicircular column groove (24), heat-insulating cotton (8) is fixedly connected with the upper cover body (2) and the upper cover body (2) through rivets, the upper cover body (12) is fixedly connected to the inner side of the upper cover body (2) through the rivets, one end of an air inlet pipe (12) sequentially penetrates through heat insulation cotton (8), heat insulation leather (7) and a graphene heating plate (9) to be inserted into the cavity (6), the other end of the air inlet pipe (12) extends out of the top of the upper cover body (2) and is communicated with a warm air blower (11) through a first pipe group, an air outlet pipe (13) is fixedly connected to the inside of the lower cover body (1), one end of the air outlet pipe (13) is inserted into the cavity (6) through heat insulation cotton (8), heat insulation leather (7) and the graphene heating plate (9), and the other end of the air outlet pipe (13) extends out of one side of the lower cover body (1). A temperature measuring probe (30) is arranged in the cavity (6), and the temperature measuring probe (30) is positioned at the inner side of the heat preservation skin (7).
  2. 2. The outdoor pipeline quick thawing device according to claim 1, wherein a plurality of groups of through mounting holes (14) are formed in the lower fixing ring (3) and the upper fixing ring (4), bolts (15) are inserted into the mounting holes (14) from top to bottom, nuts (16) are connected to the bottoms of the bolts (15) in a threaded mode, the nuts (16) are located below the lower fixing ring (3) and abut against the lower surface of the lower fixing ring (3), and the fastening connection between the lower fixing ring (3) and the upper fixing ring (4) is achieved through the cooperation of the bolts (15) and the nuts (16).
  3. 3. The outdoor pipeline quick thawing device according to claim 1, wherein the spiral guide plate (10) consists of a plurality of upper spiral plates (17) and a plurality of lower spiral plates (18), the upper spiral plates (17) are fixedly connected with semicircular column grooves (24) on the inner side of the upper cover body (2), the lower spiral plates (18) are fixedly connected with the semicircular column grooves (24) on the inner side of the lower cover body (1), the upper spiral plates (17) are connected with the lower spiral plates (18) in a head-to-tail mode to form a complete spiral guide channel together, inserting blocks (31) are fixedly connected to two bottom ends of the upper spiral plates (17), inserting grooves (32) are formed in two top ends of the lower spiral plates (18) respectively, and the inserting blocks (31) are in insertion fit with the inserting grooves (32).
  4. 4. The outdoor pipeline quick thawing device according to claim 1, characterized in that the first pipe group consists of a first valve body (19) and an air outlet pipe (20), the air outlet pipe (20) is fixedly connected with the output end of the fan heater (11), and two ends of the first valve body (19) are respectively fixedly connected with the air outlet pipe (20) and the air inlet pipe (12) through flange rings (21).
  5. 5. The outdoor pipeline quick thawing device according to claim 1, characterized in that one end of the air outlet pipe (13) far away from the lower cover body (1) is fixedly connected with a second valve body (22) through a flange ring (21), and one end of the second valve body (22) far away from the air outlet pipe (13) is fixedly connected with an exhaust pipe (23) through the flange ring (21).
  6. 6. The outdoor pipeline rapid thawing device according to claim 1, wherein both ends of the upper cover body (2) and the lower cover body (1) are provided with a seal half ring (25) for fitting and sealing with the outer wall of the outdoor pipeline.
  7. 7. The outdoor pipeline quick thawing device according to claim 1, wherein a limiting plate (26) is fixedly connected to one side of the upper cover body (2) far away from the upper cover body and rotationally connected with the top cover (5), and the limiting plate (26) is used for limiting the top cover (5).
  8. 8. The outdoor pipeline rapid thawing device according to claim 1, wherein the upper cover body (2) and the lower cover body (1) are made of stainless steel materials.
  9. 9. The outdoor pipeline quick thawing device according to claim 1 is characterized in that mounting blocks (27) are fixedly connected to the inner parts of one ends of the upper cover body (2) and the lower cover body (1), the mounting blocks (27) are fixedly connected with a graphene heating plate (9), and electrode plates (28) used for being electrically connected with the graphene heating plate (9) are slidingly connected to the inner parts of one sides, opposite to the mounting blocks (27).
  10. 10. The outdoor pipeline quick thawing device according to claim 9, characterized in that springs (29) are symmetrically arranged inside the mounting blocks (27), one ends of the springs (29) are fixedly connected with the electrode plates (28), the other ends of the springs (29) are fixedly connected with the inner walls of the mounting blocks (27), and the springs (29) always have elastic force for driving the electrode plates (28) fixed with the springs to be close to the other electrode plates (28).

Description

Outdoor pipeline quick thawing device Technical Field The invention relates to the technical field of pipeline freezing prevention and thawing, in particular to an outdoor pipeline rapid thawing device. Background The quick thawing device for outdoor pipeline is a special equipment for thawing frozen medium and recovering pipeline fluid conveying function for outdoor pipeline easy to freeze in low temperature environment. The pipeline freezing state is quickly removed by a specific heating or temperature control mode when an outdoor pipeline is frozen to block a conveying passage due to low temperature, so that the continuous and stable operation of a system to which the pipeline belongs is ensured, the problems of equipment shutdown, system failure and the like caused by the pipeline freezing are avoided, and the pipeline freezing blocking device has an indispensable effect especially in scenes with higher requirements on the operation reliability of the pipeline, such as industrial production, energy supply and the like. At present, the existing outdoor pipeline thawing device and the processing mode are mainly used for passive protection and local heating expansion. When the pipeline is frozen, the existing treatment means mainly adopts manual auxiliary heating, namely, the range of frozen pipe sections is determined through manual investigation, the external heat-insulating layer of the pipeline in the area is removed, the freezing position and the freezing degree in the pipeline are confirmed by means of a temperature detector, an ultrasonic detector and other equipment, the frozen pipe sections are externally heated by means of open fire heating, electric heating belt winding and the like, the frozen medium in the pipeline is gradually melted through heat conduction, and the heat-insulating layer is paved again after the thawing operation is finished. However, the existing outdoor pipeline defrosting mode and device have a plurality of defects, and the efficient and safe defrosting requirements in industrial production are difficult to meet. Especially in winter low temperature environment, after the steam turbine is stopped, even if an insulating layer is arranged on an outdoor pipeline from a dosing room to a factory building, freezing phenomenon is still easy to occur due to continuous influence of low temperature of the environment, uneven local heat dissipation of the pipeline and other factors. The existing treatment method is characterized in that a large amount of manpower is firstly required to be input for checking and positioning the frozen pipe section, the operations of dismantling the heat insulation layer, detecting the instrument and subsequently re-paving the heat insulation layer are complex in the process, more time is consumed, the periods of thawing the pipeline and recovering the system are greatly prolonged, the labor cost is also remarkably increased, meanwhile, the open fire heating mode has a large potential safety hazard, the local temperature of the pipeline is easily caused to be too high to deform and age, even the risks of medium leakage, fire and the like are caused, and the uncertainty of the thawing process easily influences the subsequent safe starting of the machine set. Therefore, it is necessary to provide a new outdoor pipeline quick thawing device to solve the above technical problems. Disclosure of Invention In order to solve the technical problems, the invention provides a quick thawing device for an outdoor pipeline. The outdoor pipeline rapid thawing device comprises a lower cover body, wherein an upper cover body is arranged at the top of the lower cover body, a lower fixing ring is fixedly connected to the outer wall of the top end of the lower cover body, an upper fixing ring is fixedly connected to the outer wall of the bottom end of the upper cover body, a top cover is rotatably connected to the top of the upper cover body, cavities are formed in the lower cover body and the upper cover body, a heat-insulating cover is fixedly connected to the inside of the cavities, heat-insulating cotton is arranged on the outer side wall of the heat-insulating cover, the heat-insulating cotton is fixedly connected with the inner side walls of the heat-insulating cover through rivets, graphene heating plates are fixedly connected to the inner side of the heat-insulating cover through the upper cover body and the lower cover body, semicircular column grooves are formed in the inner side of the graphene heating plates, spiral guide plates are arranged on the inner side of the semicircular column grooves, the two semicircular column grooves are respectively detachably and fixedly connected with the lower cover body and the upper cover body, the top of the upper cover body is fixedly connected with an air heater, one end of the air inlet pipe penetrates through the heat-insulating cotton, the heat-insulating cover and the graphene heating plates in sequence, the other end