CN211656409U - Heating device - Google Patents

Heating device Download PDF

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Publication number
CN211656409U
CN211656409U CN201922478916.9U CN201922478916U CN211656409U CN 211656409 U CN211656409 U CN 211656409U CN 201922478916 U CN201922478916 U CN 201922478916U CN 211656409 U CN211656409 U CN 211656409U
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China
Prior art keywords
induction coil
heating
induction
heating device
threaded connection
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CN201922478916.9U
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Chinese (zh)
Inventor
张勇
潘兴明
秦小龙
李禾香
史宏江
张海波
王志国
路一平
周泽人
唐昱哲
李明印
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
Beijing Petroleum Machinery Co Ltd
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
Beijing Petroleum Machinery Co Ltd
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Priority to CN201922478916.9U priority Critical patent/CN211656409U/en
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Abstract

The utility model provides a heating device which is used for heating a threaded connection section of a workpiece so as to destroy adhesive glue of the threaded connection section; the heating device includes: the induction coil is arranged around the threaded connection section so as to perform electromagnetic induction heating on the threaded connection section; the first detection piece is used for detecting the real-time temperature of the threaded connection section; the induction heating system is connected with the induction coil and the first detection piece, and when the induction heating system receives the real-time temperature detected by the first detection piece, the induction heating system compares the real-time temperature with the preset temperature so as to control the induction coil to stop heating the threaded connection section after the real-time temperature reaches the preset temperature. The utility model discloses a lower problem of in-process security has been dismantled to connecting thread among the prior art to heating device solution.

Description

Heating device
Technical Field
The utility model relates to an oil and gas field particularly, relates to a heating device.
Background
The connecting threads of underground drilling tools or instruments and the like used in the petroleum and gas industry are connected by a method of coating high-strength bonding glue and screwing the high-strength bonding glue to a specified torque range, so that the connection strength of the threads can be ensured, and accidents such as tripping, thread failure and the like can be prevented.
However, the above connection method causes difficulty in thread breaking during disassembly and maintenance of a large number of drilling tools or instruments, and requires a high-temperature heating method to destroy the adhesive property of the high-strength adhesive and realize thread breaking in combination with a large-torque disassembly device.
At present, the commonly used thread heating methods include: 1. the large-torque shackle is directly disassembled, so that the efficiency is low, and sometimes, parts are damaged, even a disassembling tool is damaged; 2. destructive disassembly, typically by sawing with a sawing machine or turning with a lathe; 3. the heating is carried out manually by gas welding (oxygen and acetylene), and then the shackle is disassembled by using a disassembly and assembly frame.
However, the heating mode of oxygen and acetylene combustion is not only low in efficiency, but also affects normal production frequently due to factors such as complicated procedure of flammable gas taking, safety, environmental protection and the like. In addition, acetylene belongs to flammable gas, and can cause explosion by factors such as heating, vibration, electric sparks and the like, and has special requirements on storage and transportation. In addition, deficiencies in using acetylene for heating include: 1. the manual heating needs close-range operation, so that the safety risk exists, and the tail gas pollution is large; 2. the acetylene price is higher, and the cost is increased along with the increase of the maintenance amount of a drilling tool or an instrument; 3. oxygen and acetylene combustion heating belongs to a surface heating process, heating is uneven and full, the temperature difference of a core surface is large, and the heating temperature cannot be accurately controlled. Therefore, a method for replacing acetylene heating is required to be searched for, so as to achieve the purposes of strong operability, convenience, safety, less pollution, low cost and even integration with devices such as a dismounting frame and the like.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a heating device to solve the problem of the prior art that the safety is low during the process of disassembling the connecting screw thread.
In order to achieve the above object, the utility model provides a heating device for wherein, be used for heating the threaded connection section of work piece to destroy the bonding of threaded connection section and glue, heating device includes: the induction coil is arranged around the threaded connection section so as to perform electromagnetic induction heating on the threaded connection section; the first detection piece is used for detecting the real-time temperature of the threaded connection section; the induction heating system is connected with the induction coil and the first detection piece, and when the induction heating system receives the real-time temperature of the threaded connection section detected by the first detection piece, the induction heating system compares the real-time temperature with the preset temperature so as to control the induction coil to stop heating the threaded connection section after the real-time temperature reaches the preset temperature.
Further, the induction heating system includes: the control system is in signal connection with the first detection piece to receive the real-time temperature and compare the real-time temperature with the preset temperature; the control system is in control connection with the induction coil to control the induction coil to stop heating the threaded connection section after the real-time temperature reaches the preset temperature.
Further, the heating device further includes: the actuating mechanism is connected with the induction coil; and the control system is in signal connection with the control module, and the control module is in signal connection with the actuating mechanism so as to control the on-off of the current in the induction coil through the actuating mechanism when the control module receives the signal of the control system.
Furthermore, the actuating mechanism comprises a driving unit and a main loop coil, the control module is in signal connection with the driving unit, the driving unit is connected with the main loop coil, and the main loop coil is connected with the induction coil, so that the control module controls the on-off of the main loop coil through the driving unit to control the on-off of the current in the induction coil.
Further, the heating device further includes: and the main loop coil is connected with the current amplifier, and the current amplifier is connected with the induction coil so as to amplify the current in the induction coil.
Further, the first detection piece is an infrared thermometer.
Further, the heating device further includes: and the transmission assembly is in transmission connection with the induction coil so as to drive the induction coil to rotate and move.
Further, the heating device further includes: and the cooling system is connected with the induction coil to cool the induction coil.
Further, the heating device further includes: the monitoring alarm system is connected with the cooling system to monitor the temperature of the cooling medium in the cooling system and alarm when the temperature of the cooling medium exceeds the preset temperature of the cooling medium; the monitoring alarm system is connected with the induction heating system to alarm when monitoring that the induction heating system is overloaded.
Further, the cooling system includes: and a first cooling pipeline, at least part of which is arranged in the induction coil, so as to cool the induction coil by a cooling medium flowing through the first cooling pipeline.
The utility model discloses a heating device mainly is applied to oil and natural gas and bores and adopts the equipment field, this heating device is used for heating the threaded connection section of work piece, glue in order to destroy the bonding of threaded connection section, heating device includes induction coil, first detection piece and induction heating system, carry out electromagnetic induction heating to the threaded connection section through induction coil, after the actual temperature that will detect the threaded connection section at first detection piece sent induction heating system, induction heating system carries out the comparison with real-time temperature and predetermined temperature, and control induction coil and stop heating the threaded connection section when real-time temperature reaches predetermined temperature. The heating device adjusts and controls the heating condition of the workpiece through the induction heating system, so that the automation and the reliability of the operation are improved; and, carry out electromagnetic induction heating through induction coil to threaded connection section and can destroy the bonding property that high strength thread glued fast, and have the advantage safe, energy-concerving and environment-protective.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a first schematic view of an embodiment of a heating device according to the invention; and
fig. 2 shows a second schematic view of an embodiment of a heating device according to the invention.
Wherein the figures include the following reference numerals:
1. a threaded connection section; 10. an induction coil; 20. a first detecting member; 30. an induction heating system; 31. a control system; 33. a control module; 34. a drive unit; 35. a main loop coil; 50. a cycle monitoring system; 60. a current amplifier; 70. a cooling system; 71. a water inlet main pipeline; 711. a first control valve; 72. a main water outlet pipeline; 721. a second control valve; 80. monitoring an alarm system; 90. a transmission assembly; 100. a main power supply.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a heating device please refer to fig. 1 and fig. 2 for the threaded connection section 1 to the work piece heats, glues with destroying threaded connection section, and heating device includes: the induction coil 10 is arranged around the threaded connection section 1, and the induction coil 10 is used for performing electromagnetic induction heating on the threaded connection section; the first detection piece 20, the first detection piece 20 is used for detecting the real-time temperature of the threaded connection section 1; the induction heating system 30, induction heating system 30 and induction coil 10 and first detection piece 20 are all connected, and when the induction heating system 30 received the real-time temperature of threaded connection section 1 that first detection piece 20 detected, induction heating system 30 compares real-time temperature and predetermined temperature to control induction coil 10 and stop heating threaded connection section 1 after real-time temperature reaches the predetermined temperature.
The utility model discloses a heating device mainly is applied to oil and natural gas and bores and adopts the equipment field, this heating device is used for heating the threaded connection section 1 of work piece, glue in order to destroy the bonding of threaded connection section, heating device includes induction coil 10, first detection piece 20 and induction heating system 30, carry out electromagnetic induction heating to the threaded connection section through induction coil 10, after induction heating system 30 is sent to the actual temperature that will detect the threaded connection section at first detection piece 20, induction heating system 30 carries out the comparison with real-time temperature and predetermined temperature, and control induction coil 10 and stop heating threaded connection section 1 when real-time temperature reaches predetermined temperature. The heating device adjusts and controls the heating condition of the workpiece through the induction heating system 30, so that the automation and the reliability of the operation are improved; and, carry out electromagnetic induction heating through induction coil 10 to threaded connection section can destroy the bonding property of high strength thread gluing fast, and have the advantage safe, energy-concerving and environment-protective.
Preferably, the induction heating system has a constant temperature mode of operation; when the heating device is started to work, the surface temperature of the drilling tool continuously rises to the preset temperature, and the infrared thermometer feeds back the real-time temperature to the induction heating system after monitoring the real-time temperature; when the real-time temperature reaches the preset temperature, the induction heating system automatically adjusts to a constant-temperature working mode, and stops heating after maintaining for the preset time in the constant-temperature working mode.
In specific implementation, the workpiece is a drilling tool, and the induction coil 10 is arranged around the outer circumferential surface of the drilling tool and also arranged around the outer circle of the drilling tool for the induction coil 10.
In specific implementation, the induction coil 10 is U-shaped and made of copper pipes, when the system works, high-density strong magnetic beams are generated in the coil, a drilling tool in the induction coil generates heat by itself due to a magnetic field, and the temperature rises rapidly; the purpose of induction heating is achieved.
In the present embodiment, the induction heating system 30 includes a control system 31, the control system 31 is in signal connection with the first detecting member 20 to receive the real-time temperature and compare the real-time temperature with the predetermined temperature; the control system 31 is in control connection with the induction coil 10 to control the induction coil 10 to stop heating the threaded connection section 1 after the real-time temperature reaches a predetermined temperature.
In this embodiment, the heating device further includes: the actuating mechanism is connected with the induction coil 10; and the control module 33, the control system 31 and the control module 33 are in signal connection, and the control module 33 and the actuator are in signal connection, so that when the control module 33 receives the signal of the control system 31, the on-off of the current in the induction coil 10 is controlled through the actuator. Such an arrangement may control whether the induction heating system 30 and the induction coil are operated or not through the control module 33, and the heating instruction is executed through the actuator. The control module 33 is also a modulation and control switch module.
In this embodiment, the actuator includes a driving unit 34 and a main loop coil 35, the control module 33 is in signal connection with the driving unit 34, the driving unit 34 is connected with the main loop coil 35, and the main loop coil 35 is connected with the induction coil 10, so that the control module 33 controls the on/off of the main loop coil 35 through the driving unit 34 to control the on/off of the current in the induction coil 10.
Preferably, the driving unit 34 is an IGBT driving module.
In this embodiment, the heating apparatus further includes a current amplifier 60, the main loop coil 35 is connected to the current amplifier 60, and the current amplifier 60 is connected to the induction coil 10 to amplify the current in the induction coil 10. The arrangement enables the induction coil 10 to heat the workpiece more quickly and effectively. In particular embodiments, the current amplifier 60 and the induction coil 10 are used to perform a heating operation proximate the outer circumference of the drill.
Preferably, the first detection member 20 is an infrared thermometer. The surface temperature of the excircle of the drilling tool can be monitored by an infrared thermometer.
In this embodiment, the heating device further includes a transmission assembly 90, and the transmission assembly 90 is in transmission connection with the induction coil 10 to drive the induction coil 10 to rotate and move. Wherein, the transmission assembly 90 is used for adjusting the induction coil 10 to rotate 360 degrees and lift up and down. Such setting is in order to satisfy the technology demand under the different operating modes in the in-service use, has improved heating device's suitability, can heat the work piece in the multiple environment, also can heat the work piece of multiple size.
In specific implementation, the transmission assembly 90 is directly connected to the current amplifier 60, so as to drive the current amplifier 60 to rotate and move, thereby driving the induction coil 10 to rotate and move.
In this embodiment, the heating apparatus further includes a cooling system 70, and the cooling system 70 is connected to the induction coil 10 to cool the induction coil 10.
In particular, the cooling system 70 is coupled to the current amplifier 60 to cool the current amplifier 60. Such an arrangement allows for automatic cooling of the induction coil 10 and current amplifier 60 by circulating water within the cooling system 70.
In the present embodiment, the heating apparatus further includes a monitoring alarm system 80, the monitoring alarm system 80 is connected to the cooling system 70 to monitor the temperature of the cooling medium in the cooling system 70 to alarm when the temperature of the cooling medium exceeds a predetermined temperature of the cooling medium; a monitoring alarm system 80 is connected to the induction heating system 30 to alarm when an overcurrent overload of the induction heating system 30 is monitored. The arrangement can monitor and alarm the circulating water temperature of the cooling system 70 through the monitoring and alarm system 80, and can also monitor and alarm the over-current and overload of the induction heating system 30.
In the present embodiment, the cooling system 70 includes a first cooling line, at least a portion of which is disposed in the current amplifier 60 to cool the current amplifier 60 by circulating water flowing through the first cooling line.
In the present embodiment, the cooling system 70 includes a second cooling line, at least a portion of which is disposed inside the induction coil 10 to cool the induction coil 10 by the cooling medium flowing through the first cooling line.
In this embodiment, the cooling system 70 includes a cooling pipeline assembly, the cooling pipeline assembly includes a water inlet main pipeline 71 and a water outlet main pipeline 72, the water inlet main pipeline 71 is connected to one end of the first cooling pipeline and one end of the second cooling pipeline, the water outlet main pipeline 72 is connected to the other end of the first cooling pipeline and the other end of the second cooling pipeline, so as to convey circulating water into the first cooling pipeline and the second cooling pipeline through the water inlet main pipeline 71; and circulating water in the first cooling pipeline and the second cooling pipeline after absorbing heat flows out through the water outlet main pipeline 72. The first cooling pipeline and the second cooling pipeline are partial structures of the cooling pipeline assembly.
Preferably, a first control valve 711 is disposed on the water inlet main pipe 71 to control the on/off of the water inlet main pipe 71.
Preferably, a second control valve 721 is disposed on the water outlet main line 72 to control the on/off of the water outlet main line 72.
In the present embodiment, the cooling system 70 includes a cooling component for cooling the circulating water in the cooling pipeline assembly.
In this embodiment, the heating apparatus further comprises a main power supply 100, and the main power supply 100 is connected to both the control system 31 and the cooling system 70 to supply power to the control system 31 and the cooling system 70.
Preferably, the control system 31 is a high-frequency master control system, and the high-frequency master control system converts alternating current into high-frequency current after being connected to the main power supply 100.
In specific implementation, the control system 31 is in control connection with the cooling system 70 to control the temperature of the circulating water in the cooling system 70.
In particular, the cooling system 70 and the monitoring and warning system 80 are collectively referred to as the cycle monitoring system 50, as shown in FIG. 1.
In specific implementation, the monitoring and alarming system 80 is connected with the cooling system 70 and the high-frequency host control system, and is used for monitoring the temperature of the circulating water when the whole system is started to work and monitoring and alarming the overcurrent and overload of the induction heating system and the like respectively.
In specific implementation, the cooling system 70 is connected to the main power supply and the current amplifier 60, and is used for establishing water circulation when the system works, and meanwhile, automatically cooling the circulating water through the cooling part according to a water temperature signal initiated by the monitoring alarm system 80.
The utility model discloses a heating device provides an oil drilling tool screw thread dismantlement technology and method for oil and natural gas drilling equipment field. The utility model can meet the heating of different drilling tool thread specifications, sizes and different wall thicknesses, has high automation and integration degree, and can obviously improve the safety and the working efficiency of the drilling tool thread dismounting; the method has the characteristics of energy conservation, environmental protection, safety, high efficiency, strong popularization and the like.
The utility model discloses a heating device has following advantage:
1. by applying electric energy and induction heating, connecting threads of underground drilling tools or instruments and the like used in the petroleum and gas industry are rapidly heated, the bonding performance of high-strength thread glue is damaged, and the rapid disassembly of the threads of the drilling tools is realized by combining thermal expansion, so that a safe, energy-saving, environment-friendly, efficient and intelligent innovation process and method are provided.
2. The device has the advantages that in the induction heating process, the whole process of circulating water temperature, the heating temperature of the surface of a drilling tool and system overflowing overload energy is automatically controlled and adjusted; the automation and integration degree is high, the heating of different drilling tool screw thread specifications, size, different wall thicknesses can be satisfied, the safety and the work efficiency of drilling tool screw thread dismantlement can be obviously improved, and the popularization is stronger.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a heating device mainly is applied to oil and natural gas and bores and adopts the equipment field, this heating device is used for heating the threaded connection section 1 of work piece, glue in order to destroy the bonding of threaded connection section, heating device includes induction coil 10, first detection piece 20 and induction heating system 30, carry out electromagnetic induction heating to the threaded connection section through induction coil 10, after induction heating system 30 is sent to the actual temperature that will detect the threaded connection section at first detection piece 20, induction heating system 30 carries out the comparison with real-time temperature and predetermined temperature, and control induction coil 10 and stop heating threaded connection section 1 when real-time temperature reaches predetermined temperature. The heating device adjusts and controls the heating condition of the workpiece through the induction heating system 30, so that the automation and the reliability of the operation are improved; and, carry out electromagnetic induction heating through induction coil 10 to threaded connection section can destroy the bonding property of high strength thread gluing fast, and have the advantage safe, energy-concerving and environment-protective.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A heating device, characterized by being used for heating a threaded connection section (1) of a workpiece to break the adhesive glue of the threaded connection section; the heating device includes:
the induction coil (10) is arranged around the threaded connection section (1) and used for carrying out electromagnetic induction heating on the threaded connection section;
a first detection member (20), wherein the first detection member (20) is used for detecting the real-time temperature of the threaded connection section (1);
induction heating system (30), induction heating system (30) with induction coil (10) with first detection piece (20) are all connected induction heating system (30) receive first detection piece (20) detect when the real-time temperature of threaded connection section (1), induction heating system (30) will real-time temperature and predetermined temperature carry out the comparison, with be in real-time temperature reaches control behind the predetermined temperature induction coil (10) stop to threaded connection section (1) heating.
2. The heating device according to claim 1, wherein the induction heating system (30) comprises:
a control system (31), said control system (31) being in signal connection with said first sensing member (20) to receive said real time temperature and to compare said real time temperature with said predetermined temperature; the control system (31) is in control connection with the induction coil (10) to control the induction coil (10) to stop heating the threaded connection section (1) after the real-time temperature reaches the preset temperature.
3. The heating device of claim 2, further comprising:
an actuator connected to the induction coil (10);
the control system (31) is in signal connection with the control module (33), and the control module (33) is in signal connection with the executing mechanism so as to control the on-off of the current in the induction coil (10) through the executing mechanism when the control module (33) receives the signal of the control system (31).
4. The heating device according to claim 3, wherein the actuator comprises a driving unit (34) and a main loop coil (35), the control module (33) is in signal connection with the driving unit (34), the driving unit (34) is in signal connection with the main loop coil (35), and the main loop coil (35) is in signal connection with the induction coil (10), so that the control module (33) controls the on-off of the main loop coil (35) through the driving unit (34) to control the on-off of the current in the induction coil (10).
5. The heating device of claim 4, further comprising:
a current amplifier (60), the main loop coil (35) being connected to the current amplifier (60), the current amplifier (60) being connected to the induction coil (10) to amplify the current in the induction coil (10).
6. A heating device according to claim 1, wherein the first detecting member (20) is an infrared thermometer.
7. The heating device of claim 1, further comprising:
the transmission assembly (90) is in transmission connection with the induction coil (10) so as to drive the induction coil (10) to rotate and move.
8. The heating device according to any one of claims 1 to 7, characterized in that the heating device further comprises:
a cooling system (70), the cooling system (70) being connected with the induction coil (10) for cooling the induction coil (10).
9. The heating device of claim 8, further comprising:
a monitoring alarm system (80), wherein the monitoring alarm system (80) is connected with the cooling system (70) to monitor the temperature of the cooling medium in the cooling system (70) and alarm when the temperature of the cooling medium exceeds a preset temperature of the cooling medium; the monitoring and alarming system (80) is connected with the induction heating system (30) to alarm when the induction heating system (30) is monitored to be overloaded.
10. The heating device according to claim 8, wherein the cooling system (70) comprises:
a first cooling line, at least a portion of which is disposed within the induction coil (10) to cool the induction coil (10) by a cooling medium flowing through the first cooling line.
CN201922478916.9U 2019-12-31 2019-12-31 Heating device Active CN211656409U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922478916.9U CN211656409U (en) 2019-12-31 2019-12-31 Heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922478916.9U CN211656409U (en) 2019-12-31 2019-12-31 Heating device

Publications (1)

Publication Number Publication Date
CN211656409U true CN211656409U (en) 2020-10-09

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Application Number Title Priority Date Filing Date
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