This product is suitable for transmission of electric energy in power lines with a rated voltage of 0.6/1KV and below. Resistant wires and cables are difficult to catch fire and have the ability to prevent or delay the spread of flames. They are suitable for laying in a variety of occasions where cables have flame-retardant requirements, such as high-rise buildings, hotels, hospitals, subways, nuclear power plants, power plants, mines, and petroleum. , Chemical industry, etc.

This product is suitable for transmission of electric energy in power lines with a rated voltage of 0.6/1KV and below. LSZH cables can be divided into LSZH series and LSZH series. Low-smoke, halogen-free, flame-retardant cables are difficult to catch fire and have the ability to prevent or delay the spread of flames. Moreover, once a fire occurs, it has the characteristics of halogen-free, low-smoke, non-toxic, and non-corrosive. It is suitable for high-rise buildings, hotels, hospitals, etc. , Subways, nuclear power plants, tunnels, power plants, mines, petroleum, chemical industries, etc. In addition to meeting the characteristics of low-smoke, halogen-free and flame-retardant cables, low-smoke halogen-free fire-resistant cables can also meet line power supply capabilities under fire conditions. Mainly used in fire alarm, fire fighting equipment, smoke exhaust equipment, emergency channel transportation, lighting and other emergency facilities in the power supply line where fire resistance is required.

This product is suitable for transmission of electric energy in power lines with a rated voltage of 0.6/1KV and below. Irradiation cross-linking is the use of high-energy β-rays generated by irradiation to form polymer free radicals, and then polymer free radicals recombine into cross-linking bonds, thereby turning the original linear molecular structure into a three-dimensional network molecular structure. Cross-linked.

This product is suitable for all circuits that still need to maintain normal operation in the event of a fire, such as fire protection systems, emergency lighting systems, life-saving systems, alarms and important monitoring circuits in industrial and civil buildings. Commonly used: power supply lines and control lines for fire pumps, sprinkler pumps, fire elevators, fire shutter doors, electric fire doors, smoke exhaust system fans, smoke exhaust valves, fire dampers, power supply control lines, fire alarm systems, manual alarm lines, fire protection Broadcasting and telephone lines High-rise buildings and airports, subways and other important facilities such as security closed-circuit television lines, centralized power supply emergency lighting lines, control and protection of power lines, important relay protection lines and operating power lines in large and medium-sized substations The computer monitors the circuit.

This product is suitable for transmission of electric energy in power lines with a rated voltage of 0.6/1KV and below. The five-core cable is to meet the development and safety requirements of the power distribution system, separating the neutral line and the neutral line in the low-voltage power distribution system engineering to make the system more stable and safer. It is suitable for laying in hotels, stations, airports, high-rise buildings, chemicals, petroleum platforms, power stations, subways, tunnels and other fixed laying places.

This product is suitable for wiring of electrical appliances in power distribution devices with AC rated voltages of 450/750V and below as control, monitoring circuits, protection and measurement. It is suitable for laying in hotels, stations, airports, high-rise buildings, chemicals, petroleum platforms, power stations, subways, tunnels and other fixed laying places.

This product is suitable for fixed connection wires of electrical equipment with rated voltages of 450/750V and below, copper core PVC insulated connections for household appliances, small electric tools, instruments and power lighting used for AC rated voltages of 450/750V and below. electric wire.

Cross-linked polyethylene insulated power cables use chemical or physical methods to transform polyethylene molecules from linear molecular structures to three-dimensional network structures; from thermoplastic polyethylene to thermosetting cross-linked polyethylene, which greatly improves Improved its heat resistance and mechanical properties, and maintained excellent electrical properties. The conductor working temperature of the cross-linked polyethylene insulated power cable is 90°C, and it has the characteristics of simple structure, light weight and chemical resistance, easy to use, and not restricted by the installation drop. The cables are used in power frequency voltage U0/U6/6 (6/10), 8.7/10 (8.7/15), 12/20, 26/35 (26/45) kV power transmission and distribution systems.

The product is weather-resistant cross-linked polyethylene, weather-resistant high-density polyethylene or weather-resistant polyvinyl chloride extruded outside of compacted copper and aluminum conductors. Its structure is simple, safe and reliable. At the same time, it has excellent mechanical and physical properties and electrical properties. Resistance to electrical tracking, creeping discharge resistance, and excellent atmospheric resistance. Compared with bare wires, the laying gap is small, the line corridor is saved, and the line voltage drop is reduced. Especially to reduce power supply accidents and ensure personal safety, it is suitable for cities, rural areas, mountainous areas, forest areas, and mining areas. It is an all-weather cable product.

This product is widely used in power transmission and distribution systems and is currently one of the most used products in my country's power grid.

This product is suitable for fire-fighting power distribution lines in densely populated places with rated voltages of 0.6/1kV and below, super high-rise buildings and densely populated places such as airports, subways, hospitals, hotels, large shopping malls, convention and exhibition centers, and finance, telecommunications, radio and television, and power dispatch , Non-fire load lines of important buildings such as data centers. Product performance standards GB 31247-2014 Classification of burning performance of cables and optical cables GB/T 12706.1-2020 Rated voltage 1kV (Um=1.2kV) to 35kV (Um=40.5kV) extruded insulated power cables and accessories Part 1: Rated voltage 1kV (Um=1.2kV) and 3kV (Um=3.6kV) )cable GB/T 19666-2019 Flame-retardant and fire-resistant wire, cable or optical cable general rules product structure WDZB1-YJY cable is composed of conductor, insulation layer, filling layer (except single-core cable), isolation layer and outer sheath from inside to outside, as shown in Figure 1. WDZB1-YJY23 cable is composed of conductor, insulation layer, filling layer, isolation layer, inner lining layer, armor layer and outer sheath from inside to outside, as shown in Figure 2. WDZB1N-YJY cable is composed of conductor, fire-resistant layer, insulating layer, filling layer (except single-core cable), isolation layer and outer sheath from inside to outside, as shown in Figure 3. WDZB1N-YJY23 cable is composed of conductor, refractory layer, insulation layer, filling layer, isolation layer, inner lining layer, armor layer and outer sheath from inside to outside, as shown in Figure 4. WDZB1-BBTRZ cable is composed of conductor, mineral insulation layer, plastic insulation layer, filling layer, isolation layer and outer sheath from inside to outside, as shown in Figure 5. WDZB1-BTLY type cable is composed of conductor, mineral insulation layer, insulation protection layer, aluminum sheath, filling layer, isolation layer and outer sheath from inside to outside, as shown in Figure 6. The aluminum sheath of multi-core cables of 10mm2 and below is a turnkey structure, located between the filling layer and the isolation layer.

It is composed of a heating conductor, an insulating layer of tightly compacted mineral powder (usually magnesium oxide powder) and a metal sheath. For copper sheathed heating cables, a layer of high-density polyethylene (HDPE) or flame-retardant HDPE plastic jacket can be extruded on the outer circumference of the metal sheath according to the needs of anti-corrosion and anti-mechanical damage in the place of use. Commonly used structures are single-core and two-core, and can also be designed and provided with three-core and above mineral insulated heating cables according to your needs. The sheath materials include copper, cupronickel, austenitic stainless steel (304L, 321, 316L, 347, etc.), inconel and 825 high temperature corrosion resistant alloy, etc., which should be selected according to different operating temperatures and corrosive environments.

Liquid explosion-proof electric heater (hereinafter referred to as electric heater) is a heating device specially designed to increase the temperature of the flowing medium in the pipeline. The mineral insulated (MI) heating cable is selected as the heating element. The structure is firm, durable, reliable, and has a long service life. It can ensure that the heated medium does not coke. It is suitable for the heating of various flowing media, especially suitable for heating the media with high viscosity, viscosity or high temperature quality requirements (such as crude oil, asphalt, residual oil, heavy diesel oil, animal and vegetable oils, etc.). It is widely used in petroleum, chemical, pharmaceutical, metallurgy, glass, power generation and other industrial sectors. Typical applications include offshore oil platforms, wellhead heating in oil fields, high-temperature atomization before combustion in oil-fired kilns, centralized air-conditioning hot water boilers, etc. .

The container explosion-proof electric heater (hereinafter referred to as the electric heater) is an electric heating device designed to increase the temperature of the medium in the container. The electric heater adopts mineral insulated (MI) heating cable as the heating element. It has a firm and durable structure, reliable work, long service life, and the heated medium will not be coked and charred. The electric heater is inserted and installed on the wall of the container to heat up various liquid or gaseous media. This product is widely used in petroleum, chemical, pharmaceutical, water treatment, food processing, commercial oil depot, power generation and other sectors, especially suitable for heating high-density, Medium that is viscous or requires high temperature quality (such as crude oil, asphalt, residual oil, heavy diesel oil, animal and vegetable oils, etc.). Typical applications are hot water tanks on offshore oil platforms, oil delivery tanks in commercial oil depots, etc.

Gas explosion-proof electric heater (hereinafter referred to as gas electric heater) is an electric heating device specially used to heat flammable and explosive gases such as natural gas and petroleum gas in a forced flow state. It can effectively solve the problem of liquid It is a technical problem that requires a large amount of heat to be supplemented when it is converted into a gaseous state or when a high pressure is reduced to a low pressure.

　　The technology of this product is to directly penetrate the MI heating cable into the pipeline, which makes full use of the good mechanical and anti-corrosion performance of the MI heating cable. It is named "built-in" to distinguish it from the traditional electric heating installation outside the pipeline.

Metal MI heating cable, resistive heating, simple circuit system. It can be truly resistant to high temperatures (250-800°C), has high mechanical strength, compactness, smoothness, seamlessness, high application reliability, and long service life. It will really solve many technical problems of oil heating in oil wells. There are three application forms for electric heating of hollow-core sucker rods in oil wells: suitable for beam and belt pumping units  1. Heating within specified depth 2. To pump heating 3. Heating through the pump

　　 From the upper end of the Christmas tree (the place where the blowout preventer or the wax removal pipe was originally installed), the hollow sucker rod is vertically connected. The length of the hollow sucker rod is equal to the required heating depth, and enters the well through the wax removal gate valve and the main valve Tubing. A centralizer is installed on the top of the hollow sucker rod. All the dynamic and static sealing operation requirements will be reliably completed by oilfield professional technicians.

Oil well electric heating system is a complete set of downhole electric heating technology and device specially developed by Jiusheng electric for the thermal recovery process of heavy oil, super heavy oil, high wax oil and gas and shale oil,

This series of products take advantage of the high temperature resistance, radiation resistance, corrosion resistance, and high mechanical strength of the mineral insulated cable's all-inorganic material structure. Through the reasonable selection of structural materials, the maximum operating temperature can reach 1000 ℃. Long-term operation in harsh environments where conventional organic insulated cables cannot be used, such as strong corrosion, and in the active area of ​​nuclear reactors. According to its application areas, product types include: The high-temperature lead-out cable of automobile sensors has a maximum continuous operating temperature of 900°C and a short-term operating temperature of 950°C. It is used to transmit various signals detected by the automobile internal combustion engine high-temperature exhaust gas sensor from the internal high-temperature area to the external area; The core instrument system mineral insulated cable can withstand the highest temperature up to 900°C. It can still maintain good electrical performance when the cumulative γ radiation dose reaches 2x106Gy. It can be used for the transmission of various detection and control signals in the nuclear power plant core instrument system. , Ignition of hydrogen accumulation on the top of the shell and detection of neutron quantity; Forced cooling type hollow conductor mineral insulated cable, the highest operating temperature can reach 1000 ℃, coolant (such as inert gas, pure water, liquid nitrogen, etc.) can be passed into the conductor for forced cooling, so that the current carrying capacity of the cable can be increased by several orders of magnitude ； Mineral insulated cables for other high temperature, high pressure, and strong corrosive occasions, such as signal and power transmission cables for special applications where conventional cables such as metallurgy, kilns, and chemicals cannot meet the requirements of use. The above-mentioned products have obtained 5 invention patent authorizations and 8 utility model patent authorizations, among which the invention patents are: (1) Triaxial mineral insulated cable and its manufacturing method, patent number ZL200910154574.3 (2) Double-shielded mineral insulated cable and its manufacturing method, patent number ZL200910153535.1 (3) High temperature and radiation resistant inorganic insulating hollow cable and its manufacturing method and mold, patent number ZL201010582571.2 (4) A hydrogen igniter for nuclear power, patent number ZL201410165118.X (5) A high temperature and radiation resistant signal transmission cable for nuclear power and its manufacturing method, patent number ZL201610544584.8 To To Automotive sensor high temperature lead cable It is composed of conductor, mineral powder insulation layer and metal sheath. The maximum length of a single wire can be up to 400m, and it can be supplied in fixed lengths according to your needs. The structural materials are as follows: ——Conductor: nickel-chromium alloy, Inconel 600, pure nickel, 310S or 310H; ——Insulation: high-purity magnesium oxide powder (MgO), aluminum oxide powder (Al2O3) or silicon oxide powder (SiO2); -Sheath: 304L, 321, 316L, 310S, 310H, Inconel 600 or 825 alloy. Core instrument system mineral insulated cable According to the function of the product, it is divided into nuclear mineral insulated control cables, nuclear mineral insulated signal cables, nuclear hydrogen igniters and neutron detectors. Nuclear mineral insulated control cable It is used for the temperature, pressure, valve position signal transmission and neutron detection of the core instrument system, as well as the power transmission and control signal transmission of pumps, valves and other electrical equipment. It is composed of a conductor, a mineral powder insulation layer and a metal sheath. The conductor can be a single-grade metal conductor, a thermocouple wire with K graduation or a combination thereof. The structural materials are as follows: ——Conductor: copper, nickel-chromium alloy, pure nickel, K graduation thermocouple conductor (nickel-chromium-nickel aluminum or nickel-chromium-nickel silicon) ——Insulation: high-purity magnesium oxide powder (MgO), aluminum oxide powder (Al2O3) or silicon oxide powder (SiO2); -Sheath: 304L, 321, 316L, Inconel 600 or 825 alloy. Mineral insulated signal cables for nuclear use It is used for the transmission of high-frequency signals in the core instrument system. It is a single-core coaxial structure. According to different requirements for signal transmission anti-interference performance, there are three structures: coaxial, double shielded and triaxial: ——Mineral insulated coaxial cable: consists of conductor, mineral powder insulation and metal sheath from the inside to the outside; ——Mineral insulated double-shielded cable: It is composed of conductor, mineral powder inner insulating layer, inner shielding layer, mineral powder outer insulatin