CN-119042444-A - Marine pre-heat-insulation pipe, manufacturing method thereof and control system

CN119042444ACN 119042444 ACN119042444 ACN 119042444ACN-119042444-A

Abstract

The invention discloses a marine pre-heat-insulating pipe, a manufacturing method and a control system thereof, the marine pre-heat-insulation pipe comprises a water pipe and a companion cable pipe which is arranged in parallel with the water pipe, and the pre-heat-insulation pipe is divided into at least two pre-heat-insulation pipe sections and a connecting section. The pre-insulated pipe section comprises an outer sleeve of the insulating layer. The connecting section comprises a heat-insulating foam tube, a heat-shrinkable sleeve and a heat-shrinkable bush, wherein the heat-insulating foam tube wraps the periphery of the water tube and the companion cable tube of the connecting section and is connected with the heat-insulating layer sleeve, the heat-shrinkable sleeve is sleeved on the heat-insulating foam tube and covers part of the heat-insulating layer sleeve adjacent to the heat-insulating foam tube, and the heat-shrinkable bush is sleeved on the end part of the heat-shrinkable sleeve and part of the heat-insulating layer sleeve at the end part. The heat preservation and insulation effect of tightness and continuity can be achieved after the pre-heat insulation pipe is installed. The marine pre-heat-insulation pipe control system can further control the temperature of the water pipe according to the change of the external environment temperature, and the water pipe is always in a constant temperature state.

Inventors

HUANG XUEFENG
XU PENGFEI
FANG JUNYING
CHEN ZHIHAO
BAI SHASHA
ZHENG CHAO
WANG JUN

Assignees

JIANGNAN SHIPYARD GROUP CO LTD

Dates

Publication Date: 20241129
Application Date: 20240912
Priority Date: 20240912

Claims (10)

1. The utility model provides a marine pre-heat insulating tube, pre-heat insulating tube is used for washing eyes, a serial communication port, including the water pipe and with the parallel companion's cable tube that sets up of water pipe, companion's cable tube is used for laying heating cable in order to heat water in the water pipe pre-heat insulating tube divide into: at least two pre-insulated pipe sections, each pre-insulated pipe section comprising an outer insulating layer sleeve, the outer insulating layer sleeve being wrapped around the periphery of the water pipe and the companion cable pipe of the pre-insulated pipe section; The connecting section is positioned between two adjacent pre-heat-insulating pipe sections and is connected with the pre-heat-insulating pipe sections, the connecting section comprises a heat-insulating foam pipe, a heat-shrinkable sleeve and a heat-shrinkable sleeve, the heat-insulating foam pipe is wrapped on the periphery of the water pipe and the companion cable pipe of the connecting section and is connected with the heat-insulating layer outer sleeve, the heat-shrinkable sleeve is sleeved on the heat-insulating foam pipe and covers the heat-insulating layer outer sleeve with a part adjacent to the heat-insulating foam pipe, and the heat-shrinkable sleeve is sleeved on the end part of the heat-shrinkable sleeve and the part of the end part of the heat-insulating layer outer sleeve.
2. The marine pre-heat pipe of claim 1, wherein the connection section further comprises: the first bonding belt is wrapped at the joint of the foam insulation pipe and the heat insulation layer outer sleeve, and the second bonding belt is wrapped at the first bonding belt and the heat insulation layer outer sleeve.
3. The marine pre-heat insulating tube of claim 1, wherein the insulating foam tube comprises a first portion and a second portion symmetrically disposed along an axis of the water tube.
4. The marine pre-heat pipe of claim 1, wherein the connection section is a straight pipe or a curved pipe.
5. The manufacturing method of the marine pre-heat-insulating pipe is characterized by comprising the following steps of: Intercepting at least two pre-heat-insulation pipe sections, wherein each pipe section comprises a water pipe, a companion cable pipe and a heat-insulation layer outer sleeve, the heat-insulation layer outer sleeve is wrapped on the peripheries of the water pipe and the companion cable pipe, the water pipe extends out of the intercepting end face of the pre-heat-insulation pipe section to serve as a water pipe of a connecting section, and the companion cable pipe is arranged in parallel with the water pipe and is continuous between the pre-heat-insulation pipe section and the connecting section; welding the water pipe of the connecting section; a heat insulation foam pipe is sleeved outside the water pipe of the connecting section, and the heat insulation foam pipe is connected with the heat insulation layer outer sleeve; Sleeving a heat-shrinkable sleeve on the outer side of the heat-insulating foam tube of the connecting section, and enabling the heat-shrinkable sleeve to cover part of the heat-insulating layer outer sleeve; and sleeving a heat-shrinkable bush at the end part of the heat-shrinkable bush, and sleeving the heat-shrinkable bush at the outer side of the part of the heat-insulating layer at the end part.
6. The method for manufacturing a marine pre-heat insulating pipe according to claim 5, further comprising the steps of, before the water pipe outside of the connection section is sleeved with a heat insulating foam pipe: winding a first adhesive tape at the joint of the foam insulation pipe and the heat insulation layer outer sleeve; And winding a second adhesive tape around the first adhesive tape and the outer periphery of the heat insulation layer outer sleeve.
7. The method of manufacturing a marine pre-heat insulating pipe according to claim 6, wherein the water pipe welding of the connection section further comprises the steps of: Providing an elbow; and the water pipes of the pre-heat-insulation pipe sections are welded from the two ends of the bent pipe respectively.
8. A marine pre-heat insulating pipe control system, comprising: A pre-heat-insulating pipe positioned outside a bulkhead of a ship body, wherein the pre-heat-insulating pipe is a marine pre-heat-insulating pipe according to any one of claims 1 to 7, and a water pipe and a companion cable pipe of the pre-heat-insulating pipe penetrate through the bulkhead of the ship body and extend to the cabin; the temperature sensor is arranged outside the bulkhead of the ship body so as to measure the external temperature; the temperature sensing cable terminal control box is positioned on the inner side of the bulkhead of the ship body and is in signal connection with the temperature sensor so as to receive a temperature signal from the temperature sensor; The control end is in control connection with the temperature sensing cable end control box to receive the temperature signal of the temperature sensor; and the heating cable is arranged in the companion cable tube and used for heating the pre-heat insulation tube, the heating cable is connected to the control end, and the control end controls the connection and disconnection of the power supply and the heating cable according to the received temperature signal.
9. The marine pre-heat insulating pipe control system of claim 8, wherein the control end comprises: the judging unit is used for receiving the temperature signal and comparing the temperature signal with a stored set temperature value; the switch breaker is connected with the power supply; The control unit is in communication connection with the judging unit and the switch breaker, and controls the switch breaker to be connected and disconnected according to the judging result of the judging unit, when the judging result shows that the temperature signal is higher than the set temperature value, the control unit does not generate a control signal, the switch breaker is kept disconnected, when the judging result shows that the temperature signal is lower than the set temperature value, the control unit generates a control signal, the switch breaker is conducted, the power supply is conducted with the heating cable, and the water pipe is heated.
10. The marine pre-heat insulating pipe control system of claim 8, further comprising: the steel sleeve is arranged outside the bulkhead of the ship body, the heat insulation layer sleeve of the pre-heat insulation pipe is inserted into the steel sleeve, and the end face of the heat insulation layer sleeve abuts against the bulkhead of the ship body; The cabin penetrating piece penetrates through the cabin wall of the ship, one end of the cabin penetrating piece extends out of the cabin wall of the ship, the other end of the cabin penetrating piece extends out of the inner side of the cabin wall of the ship, and the cabin penetrating piece, the water pipe and the companion cable pipe are arranged in one-to-one correspondence, so that the water pipe and the companion cable pipe penetrate through the cabin wall of the ship through the cabin penetrating piece respectively.

Description

Marine pre-heat-insulation pipe, manufacturing method thereof and control system Technical Field The invention relates to the technical field of ship construction, in particular to a marine pre-heat-insulation pipe, a manufacturing method thereof and a control system thereof. Background The eye flushing device is one of safety devices of the liquefied gas carrier, is usually installed in the open air on deck surfaces of a cargo hold, is arranged on the ship according to requirements for safety and labor protection reasons, and can be used for flushing eyes or bodies by constructors when contacting toxic, harmful and corrosive chemical substances, so that the chemical substances are prevented from damaging human bodies, and the personal safety is protected. At present, the eye flushing heat insulation pipe is customized in advance, and in the operation processes of intercepting, assembling, wrapping and the like of the pre-heat insulation pipe according to a pipe design drawing, a conventional heat insulation cloth and a packing belt are generally adopted for wrapping, so that the sealing continuous heat insulation effect is not effectively achieved. In addition, the packing belt is easy to fall off under open-air corrosion for a long time, the packing belt can not effectively play a role in insulating heat for a wrapped water pipe and a heating companion pipe, and a ship sails in a low-temperature quick-freezing environment in the later period, can not timely heat and defrost, and can not enable water in the water pipe to normally flow, so that hidden danger is caused to personnel safety of a crew. In order to ensure that normal flushing function can be carried out on eyes or body parts in any temperature environment, not only the low-temperature resistant heat preservation effect of the pre-heat insulation pipe is needed to be considered, but also the constant-temperature effect is needed to be considered, so that water in the water pipe cannot be frozen in extremely cold weather. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a marine pre-heat insulation pipe, a manufacturing method and a control system thereof, which effectively achieve a sealing and continuous heat insulation effect, and can always keep the water pipe in a constant temperature state according to the external environment temperature change, so as to prevent the water pipe from freezing. To achieve the above and other related objects, the present invention provides a marine pre-heat insulation pipe for washing eyes, comprising a water pipe and a companion cable pipe disposed in parallel with the water pipe, the companion cable pipe being used for laying a heating cable to heat water in the water pipe, the pre-heat insulation pipe being divided into: At least two pre-heat-insulating pipe sections, each pre-heat-insulating pipe section comprises a heat-insulating layer outer sleeve, and the heat-insulating layer outer sleeve is wrapped on the peripheries of the water pipe and the companion cable of the pre-heat-insulating pipe section; the connecting section is positioned between two adjacent pre-heat-insulating pipe sections and is connected with the pre-heat-insulating pipe sections, the connecting section comprises a heat-insulating foam pipe, a heat-shrinkable sleeve and a heat-shrinkable bush, the heat-insulating foam pipe is wrapped on the periphery of the water pipe and the companion cable pipe of the connecting section and is connected with the heat-insulating layer sleeve, the heat-shrinkable sleeve is sleeved on the heat-insulating foam pipe and covers part of the heat-insulating layer sleeve adjacent to the heat-insulating foam pipe, and the heat-shrinkable bush is sleeved on the end part of the heat-shrinkable sleeve and part of the heat-insulating layer sleeve at the end part. Optionally, the connection section further comprises: The first bonding belt is wrapped at the joint of the foam insulation pipe and the heat insulation layer outer sleeve, and the second bonding belt is wrapped on the first bonding belt and the heat insulation layer outer sleeve. Optionally, the insulating foam tube comprises a first portion and a second portion symmetrically disposed along the axial direction of the water tube. Alternatively, the connecting section is a straight pipe or a curved pipe. According to another aspect of the invention, the invention also provides a manufacturing method of the marine pre-heat insulating pipe, which comprises the following steps: Intercepting at least two pre-heat-insulating pipe sections, wherein each pipe section comprises a water pipe, a companion cable pipe and a heat-insulating layer outer sleeve, the heat-insulating layer outer sleeve is wrapped on the peripheries of the water pipe and the companion cable pipe, the water pipe extends out of the intercepting end face of the pre-heat-insulating pipe section to serve as the water pipe