Nuclear power plant pipeline emergency heating device control equipment
By designing control equipment for emergency heating devices in nuclear power plant pipelines, and adopting intelligent temperature control and remote adjustment functions, the problem of cumbersome electric heat tracing cable laying was solved, and precise control of multi-channel heating and safe and reliable operation and convenient temperature management were achieved.
Patent Information
- Application Number
- CN202520422354.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-11
AI Technical Summary
The laying and removal of electric heat tracing cables in nuclear power plants is a complicated process, which makes it difficult to control the quality of the process. Furthermore, the removal may damage the pipelines. Existing electrical control cabinets cannot meet the requirements for multi-channel heating, precise temperature control, and intelligent operation.
Design a control device for an emergency heating system for pipelines in a nuclear power plant, including a support base, cabinet, indicator light assembly, push-button switch assembly, socket assembly, touch screen, heating tape storage box, and control components. Employ a PLC control module and temperature sensor to achieve intelligent temperature control, remote adjustment, and fault alarm.
It achieves precise control of multi-channel heating, with adjustable temperature, convenient operation, safety and reliability, and an attractive appearance. It is suitable for various pipeline emergency heating belts and reduces the failure rate.
Smart Images

Figure CN223609650U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nuclear power plant electrical control equipment field especially relates to a nuclear power plant pipeline emergency heating device control equipment. BACKGROUND
[0002] In nuclear power plant, boric acid pipeline, sodium solution pipeline, frozen water, instrument pipeline and other special process pipeline all use armored electric heat tracing cable to heat the pipeline to maintain fluid temperature and prevent boric acid, sodium solution and other fluid medium from crystallizing or freezing.
[0003] The laying and removal operation process of the electric heat tracing cable of the current nuclear power station is relatively cumbersome, and the laying and removal process quality control of the electric heat tracing cable is difficult due to more processes, and the construction and installation time is long. Especially when the electric heat tracing cable is removed, the operation is more difficult, and slight carelessness may cause damage to the pipeline, which brings certain safety hazards to the safe and stable operation of the electric heat tracing equipment. Therefore, a pipeline emergency heating belt is designed, which can be quickly installed on the pipeline to realize pipeline emergency heating. After the pipeline emergency heating belt is installed, an electric control equipment is needed to supply power to heat it. It needs to meet the requirements of simultaneous heating of multiple channels, accurate control of heating belt heating temperature, adjustable heating temperature, intelligent temperature control equipment, remote temperature adjustment, real-time viewing of temperature history data and other functions, convenient operation, fault alarm and other functions. The existing electrical control cabinet cannot meet the requirements.
[0004] Therefore, a nuclear power plant pipeline emergency heating device control equipment is urgently needed. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem, and provides a nuclear power plant pipeline emergency heating device control equipment.
[0006] The utility model adopts the technical scheme in the technical problem: construct a nuclear power plant pipeline emergency heating device control equipment, which includes support seat, cabinet, indicator lamp assembly, button switch assembly, socket assembly, touch operation screen, heat tracing belt storage box, connecting assembly and control assembly.
[0007] The cabinet and the heat tracing belt storage box are separately installed on the support seat, the indicator lamp assembly, the button switch assembly, the socket assembly and the touch operation screen are all installed on the cabinet, and the connecting assembly is used for connecting with the socket assembly.
[0008] The control assembly is in communication connection with the indicator lamp assembly, the button switch assembly and the touch operation screen.
[0009] In some embodiments, the control assembly comprises a PLC control module and a temperature sensor.
[0010] In some embodiments, the indicator light assembly comprises a fault alarm indicator light, a power indicator light, a first heating loop indicator light, a second heating loop indicator light, a third heating loop indicator light, and a fourth heating loop indicator light.
[0011] In some embodiments, the button switch assembly comprises a power switch, a first heating loop switch, a second heating loop switch, a third heating loop switch, a fourth heating loop switch, an automatic start switch, and an emergency stop button.
[0012] In some embodiments, the socket assembly comprises a heating plug, a temperature probe socket, and a power socket.
[0013] In some embodiments, the connection assembly comprises a first adapter assembly and a second adapter assembly.
[0014] The first adapter assembly comprises a 220V adapter, a 220V trailing cable, and a 220V socket connected in sequence.
[0015] The second adapter assembly comprises a first 380V adapter, a 380V trailing cable, and a second 380V adapter connected in sequence.
[0016] In some embodiments, the nuclear power plant pipeline emergency heating device control equipment further comprises a cabinet door lock installed on the cabinet.
[0017] In some embodiments, the nuclear power plant pipeline emergency heating device control equipment further comprises a handrail installed on the support seat.
[0018] In some embodiments, the nuclear power plant pipeline emergency heating device control equipment further comprises a plurality of pulleys installed at the bottom of the support seat.
[0019] In some embodiments, the heat tracing band storage box is connected with a flip cover, and the inside of the heat tracing band storage box is provided with a plurality of storage compartments.
[0020] The utility model discloses the following beneficial effects are obtained: the nuclear power plant pipeline emergency heating device control equipment through setting up indicating lamp subassembly, button switch subassembly can be convenient for operator observation and operation, sets up touch operating screen as man -machine interface, realizes intelligent temperature control, remote temperature adjustment and real -time viewing temperature history data etc. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to make the technical scheme of the utility model clearer, the utility model will be further described below in combination with the drawings and examples, and it should be understood that the following drawings only show some examples of the utility model, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor. In the drawings:
[0022] Figure 1 It is the overall structure stereogram schematic view of nuclear power plant pipeline emergency heating device control equipment in some examples of the utility model;
[0023] Figure 2 It is the structure front view of nuclear power plant pipeline emergency heating device control equipment in some examples of the utility model;
[0024] Figure 3 It is the structure side view of nuclear power plant pipeline emergency heating device control equipment in some examples of the utility model;
[0025] Figure 4 It is the structure schematic view of connecting subassembly in some examples of the utility model. DETAILED DESCRIPTION
[0026] In order to make the technical scheme of the utility model clearer, the utility model will be further described below in combination with the drawings and examples, and it should be understood that the following drawings only show some examples of the utility model, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor. In the drawings:
[0027] It should be noted that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0028] Please refer to Figures 1 to 4 It is a kind of nuclear power plant pipeline emergency heating device control equipment in some embodiments of the utility model, it includes support seat 1, cabinet 2, indicating lamp component 3, button switch component 4, socket component 5, touch operation screen 6, heat tracing band storage box 7, connecting component 8 and control component. Cabinet 2 and heat tracing band storage box 7 are separately installed on support seat 1, indicating lamp component 3, button switch component 4, socket component 5 and touch operation screen 6 are all installed on cabinet 2, connecting component 8 is used to be connected with socket component 5.Control component is connected with indicating lamp component 3, button switch component 4 and touch operation screen 6.
[0029] In the embodiment, support seat 1 is a flat plate, the cabinet 2 is a rectangular appearance control box, indicating lamp component 3, button switch component 4 and touch operation screen 6 are installed on the front surface of cabinet 2, and socket component 5 is installed on the side surface of cabinet 2. Heat tracing band storage box 7 can be made of flame-retardant material and is used to store heat tracing bands. Touch operation screen 6 is used as a man-machine interface to realize intelligent temperature control, remote temperature adjustment and real-time temperature history data viewing functions, and 485 communication interface can be added to touch operation screen 6, computer terminal control can be used, operation is convenient, safe and reliable, and it is beautiful and generous.
[0030] It can be understood that the nuclear power plant pipeline emergency heating device control equipment through the setting of the indicator light assembly 3, button switch assembly 4 can be convenient for the operator to observe and operate, set the touch operation screen 6 as the man-machine interaction interface, realize the intelligent temperature control, remote temperature adjustment and real-time viewing of temperature history data and other functions, convenient operation, safe and reliable, beautiful and generous. Also set the socket assembly 5 to adapt to the power supply conditions of the nuclear power field, and facilitate power supply. At the same time, the control assembly is also provided with communication connection with the indicator light assembly 3, the button switch assembly 4 and the touch operation screen 6, realizing the intelligentization. The nuclear power plant pipeline emergency heating device control equipment is safe and reliable, easy to install, low in failure rate, beautiful in appearance design, and can be adapted for various pipeline emergency heating bands.
[0031] Specifically, the control assembly includes a PLC control module and a temperature sensor. The PLC control module can be installed inside the cabinet 2, which can control the start and stop of the electric heater, temperature control, digital display, precise control and convenient adjustment. Through the PLC control module, four-loop simultaneous output can be realized, and the working temperature of a single loop can be controlled respectively. The electric heating band is connected to the control equipment cabinet 2 through the use of a six-pin aviation plug, which is convenient and fast to install. The application of the temperature sensor can use PT100 thermal resistance as the temperature control input signal, which is accurate and sensitive in temperature measurement. The control assembly also includes an emergency stop device.
[0032] As shown in Figure 2 The indicator light assembly 3 includes a fault alarm indicator light 31, a power indicator light 32, a first heating loop indicator light 33, a second heating loop indicator light 34, a third heating loop indicator light 35 and a fourth heating loop indicator light 36. The first heating loop indicator light 33, the second heating loop indicator light 34, the third heating loop indicator light 35 and the fourth heating loop indicator light 36 can reflect the state of the corresponding heating loop. When the electric heating band over-temperature, short circuit, overload and other abnormal phenomena occur, the PLC control module can alarm and display through the fault alarm indicator light 31. The indicator light assembly 3 realizes the visualization of the working state of the nuclear power plant pipeline emergency heating device control equipment.
[0033] As shown in Figure 2 The button switch assembly 4 includes a power switch 41, a first heating loop switch 42, a second heating loop switch 43, a third heating loop switch 44, a fourth heating loop switch 45, an automatic start switch 46 and an emergency stop button 47. The first heating loop switch 42, the second heating loop switch 43, the third heating loop switch 44 and the fourth heating loop switch 45 can control the switch state of each loop. Through the setting of the automatic start switch 46, the automatic working mode can be set or the manual working mode can be set. The positions of the above-mentioned indicator lights and switch buttons can be adjusted according to actual needs, which are not limited here.
[0034] AsFigure 3 As shown, the socket assembly 5 includes a heating plug 51, a temperature probe socket 52 and a power socket 53. In the present embodiment, the number of heating plugs 51 is four, the number of temperature probe sockets 52 is four, and the number of power sockets 53 is one.
[0035] As shown, Figure 4 As shown, the connecting assembly 8 includes a first adapter assembly and a second adapter assembly; the first adapter assembly includes a 220V adapter head 81, a 220V trailing cable 82 and a 220V socket 83 connected in sequence; the second adapter assembly includes a first 380V adapter head 84, a 380V trailing cable 85 and a second 380V adapter head 86 connected in sequence. The 220V socket 83 can be a triangular socket. In order to adapt to the power supply conditions in the nuclear power field, the power input of the control equipment can use 220V AC power supply, and at the same time, 380V AC power supply can also be used, and only the connecting line needs to be replaced in the field. Triangular socket power supply can also be used, and industrial plug power supply can also be used. The connecting assembly 8 can realize the function of a dual-voltage conversion system, and supports 220V / 380V industrial power distribution panel and civilian socket power supply.
[0036] The control equipment of the nuclear power plant pipeline emergency heating device further comprises a cabinet door lock 91 installed on the cabinet body 2, which can facilitate the opening of the inside of the cabinet body 2.
[0037] As shown, Figure 3 As shown, the control equipment of the nuclear power plant pipeline emergency heating device further comprises a handrail 92 installed on the support seat 1, which can be folded to facilitate operation. The control equipment of the nuclear power plant pipeline emergency heating device further comprises a plurality of pulleys 93 installed at the bottom of the support seat 1, so that the control equipment of the nuclear power plant pipeline emergency heating device is convenient to carry as a whole, and can realize rapid response installation, and the pulleys 93 are provided with self-locking devices to facilitate position fixing.
[0038] The heat tracing band storage box 7 is connected with a flip cover 71, and the inside of the heat tracing band storage box 7 is provided with a plurality of storage compartments to facilitate the storage and taking of the heat tracing bands.
[0039] It can be understood that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application; it should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the present application, and a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.
Claims
1. A nuclear power plant pipe emergency heating device control apparatus characterized by, The device comprises a support base (1), a cabinet body (2), an indicator light assembly (3), a button switch assembly (4), a socket assembly (5), a touch operation screen (6), a heating tape storage box (7), a connecting assembly (8) and a control assembly. The cabinet body (2) and the heating tape storage box (7) are separately installed on the support base (1), the indicator light assembly (3), the button switch assembly (4), the socket assembly (5) and the touch operation screen (6) are all installed on the cabinet body (2), and the connecting assembly (8) is used for connecting with the socket assembly (5). The control assembly is in communication connection with the indicator light assembly (3), the button switch assembly (4) and the touch operation screen (6).
2. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The control assembly comprises a PLC control module and a temperature sensor.
3. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The indicator light assembly (3) comprises a fault alarm indicator light (31), a power indicator light (32), a first heating circuit indicator light (33), a second heating circuit indicator light (34), a third heating circuit indicator light (35) and a fourth heating circuit indicator light (36).
4. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The button switch assembly (4) comprises a power switch (41), a first heating circuit switch (42), a second heating circuit switch (43), a third heating circuit switch (44), a fourth heating circuit switch (45), an automatic start switch (46) and an emergency stop button (47).
5. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The socket assembly (5) comprises a heating plug (51), a temperature probe socket (52) and a power socket (53).
6. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The connecting assembly (8) comprises a first adapter assembly and a second adapter assembly. The first adapter assembly comprises a 220V adapter head (81), a 220V drag cable (82) and a 220V socket (83) connected in sequence. The second adapter assembly comprises a first 380V adapter head (84), a 380V drag cable (85) and a second 380V adapter head (86) connected in sequence.
7. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The nuclear power plant pipeline emergency heating device control equipment further comprises a cabinet door lock (91) installed on the cabinet body (2).
8. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The nuclear power plant pipeline emergency heating device control equipment further comprises a handrail (92) installed on the support base (1).
9. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The nuclear power plant pipeline emergency heating device control equipment further comprises a plurality of pulleys (93) installed at the bottom of the support base (1).
10. The nuclear power plant pipe emergency heating device control apparatus according to claim 1, characterized by, The heating tape storage box (7) is connected with a flip cover (71), and the inside of the heating tape storage box (7) is provided with a plurality of storage compartments.