Description

Product introduction:
WRN2-2332NM Wear-resistant thermocouple WRNN-130 WRN-230NM WRNN-230 WRN-230NM adopts plasma spray painting technology, wear-resistant protective tube made of different materials of high chromium cast iron and high temperature alloy. It is specially designed and manufactured for measuring occasions with high, medium and low temperature abrasion resistance. It can be used for circulating fluid Bed, boiling furnace, cement rotary kiln tail smoke chamber, etc. The wear-resistant thermocouple is composed of wear-resistant head, connecting rod, thread or flange for installation and fixing, junction box, thermocouple core or thermocouple wire.
Due to the use of different high-strength wear-resistant protective tubes and surface modification measures for different temperature ranges and measured media, a composite tube-type solid structure is formed. This series of products are suitable for petrochemical and coal transportation systems that have severe wear on the protective tubes. Temperature measurement of fluidized powders and materials such as fluidized bed boilers, cement clinker and refractories. Further increase the life of the thermocouple. Its performance is better than the current wear-resistant thermocouples, and has won praise from users. With a number of high-tech products at the international advanced level, its special process wear-resistant materials completely solve the service life of the thermocouple of the circulating fluidized bed boiler temperature measurement without affecting the temperature measurement hysteresis, and the protective sleeve has a resistance to Grinding, high temperature oxidation resistance, corrosion resistance, corrosion resistance of cement materials such as liquid iron powder, limestone, erosion resistance, vibration resistance and other technologies make the temperature measuring thermocouple service life generally one to two years.
Pulverized coal furnaces, ball mills, cement plants and other industrial sites use armored or high-temperature armored cores, with wear-resistant sleeves of different materials and specifications, which have good wear resistance, vibration resistance, and thermal shock resistance. The service life of the product in severe occasions with extremely high degree of wear can reach several times that of ordinary products, which greatly improves production efficiency and reduces cost consumption. Special heat-resistant and wear-resistant alloy material is used as the measuring outer protection tube and wear-resistant head, and the inner armored core body can not only have high corrosion resistance to the erosion of fly ash particles, but also can be used for a long time at 0 ～ 1400 ℃. It is an ideal temperature sensor used in the metallurgical industry for high temperature and wear-resistant environments.
Special heat-resistant materials and wear-resistant alloy materials are used as temperature measuring jackets and wear-resistant heads. Depending on the measured temperature, the materials of the wear-resistant protection tubes are also different. They can be flanged or threaded. Long-term use for temperature measurement in the range of 0-1400 degrees, is the most ideal temperature sensor for metallurgy, chemical industry, cement plants, power plants, fluidized bed boiler industry in high temperature and wear-resistant environment, the longest service life can be up to Two years. The components include wear-resistant heads, connecting rods, threaded connections or flanges, junction boxes, and armored cores. The wear-resistant heads should be selected according to the actual temperature at the production site, and the connecting rods, threaded connections or flanges should be based on the site. There are no corrosive media to choose from.
Product Features:
According to the material of the wear-resistant sleeve, it can be divided into the following three categories, and each type has its own unique characteristics:
1. Wear-resistant high-temperature alloy: According to the characteristics of high-temperature abrasion environment, the pure alloying specially designed for explosion-proof thermocouples is vacuum smelted and has high-temperature oxidation resistance.
And high-temperature-resistant special wear-resistant high-temperature alloys are forged and drilled as a whole. Less processing defects, high reliability, high temperature strength and wear resistance comprehensive performance, high price, the use temperature of 800 ~ 1200 ℃.
2. Composite casting wear-resistant alloy: The composite armoring technology is used to add wear-resistant particles to the superalloy matrix, and it is precision melt-casting. No turning required
It has high hardness and resistance to high temperature oxidation. The magnetic flap level gauge has a few casting defects but does not affect high temperature wear resistance and tightness. It is the most common high temperature wear resistant casing. ℃.
Ion implanted tungsten carbide: Tungsten carbide particles are implanted on the surface of the casing using ion implantation technology with stainless steel as the substrate. It has high hardness, high strength and high toughness, especially wear-resistant. The thickness of the wear-resistant layer is 0.5 to 1.5mm. The outer diameter is hard and tough. Service life is more than 2 years.
The main technical parameters:
Electrical outlet: M20 × 1.5, NPT1 / 2
Wear head hardness: HRC60-65
Protection level: IP65
Insulation resistance> 100MΩ (at normal temperature)
Test voltage: 500VDC
Connection size: M27 × 2 NPT3 / 4
Accuracy grade: Ⅰ
Specifications and models:

The material of the protective tube is 1Cr18Ni9Ti, and the remaining materials are ordered according to the agreement;
Material comparison:
1. Cermet wear resistance: It adopts recrystallized silicon carbide cermet protection tube, high temperature can reach 1300 ℃, and it is equipped with K index or S index armoured core, which is specially suitable for high temperature and high temperature resistance of cement kiln tail and circulating vulcanization bed. Temperature measurement in grinding conditions.
Material composition: SiC
Operating temperature: 0 ～ 1600 ℃
Wear-resistant thermocouple
2. Special wear-resistance for hot blast stove: It adopts new silicon carbide cermet protection tube with high temperature up to 1300 ℃. The inner core is S-index or B-index high-temperature armored core, which is specially suitable for temperature measurement in hot blast stove.
Material composition: SiC
Operating temperature: 0 ～ 1600 ℃
3. The high-temperature alloy wear-resistant head and the built-in armored core can not only have high corrosion resistance to the erosion of fly ash particles, but also a very ideal temperature sensor for the metallurgical industry in high-temperature and wear-resistant environments.
Material: K1320 heat-resistant and wear-resistant alloy
Temperature: 0 ～ 1200 ℃
4. High-temperature alloy wear resistance 2: Special heat-resistant and wear-resistant alloy materials are used as the temperature-protection outer protection tube, and the armor core is built in. It has high corrosion resistance to particle erosion and is used in the high-temperature, Ideal temperature sensor in abrasion-resistant environments
Material: 3YC52 or GH3030 heat-resistant and wear-resistant alloy
Temperature: 0 ～ 1200 ℃
5, iron aluminum porcelain protection tube
The iron base contains aluminum and skillfully adds A12O3 powder to obtain iron-aluminum-ceramic (TLC) with special gold. The iron-aluminum-ceramic alloy is made into a thermocouple (resistance) protection tube, which becomes the most ferro-aluminum porcelain thermocouple (resistance). The key component-iron-aluminum-porcelain protection tube. According to the working temperature, wear conditions, media types, pressure and other conditions, different series of iron-aluminum-ceramic protection tubes are made. The existing series: TLC, TLC1, TLC2, TLC3, TLC4 and TLC5.
TLC type: resistant to hydrochloric acid, nitric acid, sulfuric acid, sodium hydroxide, potassium hydroxide solution. Working temperature is divided into 350 ° C and 750 ° C.
TLC1 type: oxidation resistance, sulfuration resistance, zinc vapor corrosion resistance, high abrasion resistance, good thermal shock resistance, working temperature 1100 ° C. After practical use, the life of the zinc concentrate boiling furnace is 4 months, the life of the pyrite boiling furnace is 12 months, the life of the boiling furnace and circulating fluidized bed boiler furnace is 6 months, and the life of the ball mill and fan mill inlet and outlet 6 -8 months.
TLC2 type: working temperature 1250 ° C, wear resistance is lower than TLC1 type, compared with ceramic tube thermal shock resistance, high temperature heat resistance, working pressure (16MPa and other technical indicators are far ahead, especially suitable for 1250 ° C minutes Thermocouple protection tube with degree S.
TLC3 type: Improved from TLC2 type. In addition to the characteristics of TLC2 type, it has a special improvement in wear resistance. Under the same working conditions, it can double the life. Working temperature is 1300 ° C.
TLC4 type: It must be succeeded by TLC1 type. In addition to the characteristics of TLC1 type, it has a special improvement in wear resistance, which is much higher than TLC1 type. Under the same working conditions, it can increase the life by three times and the working temperature. 1100 ° C. After practical use, the service life of the protective tube for the temperature measurement at the inlet and outlet of the ball mill can reach 36 months.
Application areas:
Wear-resistant thermocouple is the most ideal temperature sensor for metallurgy, chemical industry, cement plant, power plant, fluidized bed boiler industry in high temperature and wear-resistant environment.
Various material characteristics of wear-resistant thermocouple
1.Wear-resistant thermocouple super alloy wear-resistant
Special heat-resistant and wear-resistant alloy material is used as the temperature measuring outer protection tube and wear-resistant head, and the armor core is built in, which can not only have high corrosion resistance to the erosion of fly ash particles, but also can be used for a long time at 0 ~ 1200 ℃ The temperature measurement between them is an ideal temperature sensor for the metallurgical industry in high temperature and wear-resistant environments.
Material: K1320 heat-resistant and wear-resistant alloy Temperature: 0 ～ 1200 ℃
2.High temperature alloy wear resistance
It can measure temperature between 0 ~ 1200 ℃ for a long time. It is an ideal temperature sensor for high temperature and wear-resistant environment in the metallurgical industry.
Material: 3YC52 or GH3030 heat-resistant and wear-resistant alloy Temperature: 0 ～ 1200 ℃
3. Metal ceramic wear resistance:
Material composition: SiC Operating temperature: 0 ～ 1600 ℃
4. Wear resistance for hot blast stove:
Especially suitable for temperature measurement in hot blast stove
Material composition: SiC Operating temperature: 0 ～ 1600 ℃
5, wear-resistant thermocouple iron aluminum porcelain protection tube
The iron base contains aluminum and skillfully adds A12O3 powder to obtain iron-aluminum-ceramic (TLC) with special gold. The iron-aluminum-ceramic alloy is made into a thermocouple (resistance) protection tube, and it becomes the most ferro-aluminum porcelain thermocouple (resistance) The key part-iron aluminum porcelain protection tube.

Inquiry Us