9 results about "Thermowell" patented technology

The utility model discloses a high -power electric heater for thick oil development, including stainless steel outer sleeve pipe, three heating cables and thermocouple sleeve pipe are sheathed in the stainless steel outer sleeve pipe, and thermocouple assembly is sheathed in the thermocouple sleeve pipe, and the end of stainless steel outer sleeve pipe is welded with sieve tube, and the end of sieve tube is connected with the pipe through the connecting ring away from stainless steel outer sleeve pipe, and the end of pipe is connected with the plug away from the connecting ring, and thermocouple sleeve pipe and three heating cables all pass sieve tube, connecting ring and pipe in proper order. The utility model heating part adopts stainless steel mineral insulation heating cable, and the heating is even, and the heating core wire adopts nickel chromium alloy, and the heat output is big, and the service life is long, and three stainless steel mineral insulation heating cable tail stars, and the electrical connection is convenient, and the electrical control system is simplified, and contains three thermocouples, can monitor the temperature change of three positions, adjusts voltage in time, guarantees that the heating temperature satisfies the requirement, and the heater tail has sieve tube, and the steam is convenient to flow out.

The utility model belongs to the technical field of thermotechnical instrument pipe installation, and particularly relates to a thermotechnical instrument pipe convenient to install, which comprises a pipeline I and a pipeline II, the outer wall of the pipeline I is fixedly connected with an installation cylinder, the outer wall of the pipeline II is fixedly connected with a fixed cylinder, one side of the outer wall of the installation cylinder is slidably connected with the inner wall of the fixed cylinder, and the other side of the installation cylinder is slidably connected with the inner wall of the fixed cylinder. The adjacent ends of the first pipeline and the second pipeline correspond to each other, a rotating disc is rotatably connected to the inner wall of the mounting cylinder, a connecting groove is formed in one side of the rotating disc, and a sliding rod is slidably connected to the inner wall of the connecting groove. The sliding rod slides in the connecting groove by rotating the rotating disc, the sliding rod slides in the guide groove under the cooperation of the guide groove, and then the position of the clamping rod is adjusted, so that the clamping rod can be clamped into the clamping groove, the adjustment of the pipeline connecting position is completed, the pipeline is more convenient to install, meanwhile, the stability and the safety are enhanced, and the practicability is high. And the problems of looseness and leakage easily caused by threaded connection are avoided.

The utility model relates to the technical field of temperature sensors, in particular to a temperature sensor convenient to install, which comprises a junction box, a vertical thermocouple sleeve is fixedly connected to the middle of the bottom end of the junction box, a transverse fixing disc is fixedly connected to the upper end of the middle of the thermocouple sleeve, and a distance adjusting mechanism is arranged between the fixing disc and the thermocouple sleeve. A box cover is in threaded connection with the top end of the junction box, a transverse wiring pipe is integrally formed on the right side of the junction box, and a sealing head is in threaded connection with the right side of the wiring pipe. Through the threaded fit between the movable sleeve and the threaded groove and the sliding fit between the limiting ring and the limiting groove, the distance between the mounting sleeves is adjusted, the effect of quickly adapting to different mounting hole distances is achieved, and the problem that in the prior art, mounting holes need to be machined again due to hole position deviation is solved.

The application provides a thermocouple sheath and a thermocouple, and relates to the technical field of thermocouples. The thermocouple sheath comprises a measuring part sheath, the measuring part sheath comprises a straight pipe section and a tapered pipe section connected to the lower end of the straight pipe section, the tapered pipe section is used for penetrating through a measuring hole formed on the pipe wall of a to-be-measured pipeline and extending into the to-be-measured pipeline to measure the temperature of the medium in the to-be-measured pipeline; a first boss is arranged at the connection position of the straight pipe section and the tapered pipe section, the first boss is arranged in parallel with the plane where the radial direction of the measuring hole is located, and the first boss is in interference fit with the measuring hole. By arranging the first boss and in interference fit with the measuring hole, the gap between the sheath and the measuring hole can be compensated, the vibration of the sheath caused by high-speed airflow can be effectively eliminated, the risk of cracks of the sheath caused by vibration can be reduced, and the service life is prolonged. The thermocouple with the above-mentioned thermocouple sheath has a long service life and wide applicability.

The application discloses a fixed fluidized bed catalyst evaluation method and device for cracking crude oil to obtain olefins, and the device comprises a fixed fluidized bed reactor which is composed of a settling section, a reaction section and a dispersion section from top to bottom; a flange is arranged at the top of the fixed fluidized bed reactor, and an additive pipe, a thermocouple sleeve and a reaction oil gas outlet pipe arranged on the flange are in communication with the inside of the fixed fluidized bed reactor; the settling section is in the shape of a circular truncated cone with a small top and a large bottom; the reaction section is in the shape of an inverted circular truncated cone with a large top and a small bottom; a reinforced distribution ring is arranged in the center of the reaction section; a crude oil inlet is vertically inserted into the bottom of the fixed fluidized bed reactor and is located at the center of the bottom of the fixed fluidized bed reactor; and the outlet is arranged at the bottom of the fixed fluidized bed reactor. The method and device have good repeatability of test data, accurate temperature control, a wide adjustment operation range and the ability to adapt to the evaluation test of catalytic cracking reaction performance under high-temperature conditions.

Rheological measurement systems for use with systems including pressurized polymer melts and / or other viscous materials are described. In one embodiment, a rheometer is connected to an associated system with a bent, curved, or bendable tube to permit the rheometer to measure rheological properties in locations where the rheometer could not otherwise be located due to the presence of obstructions. Embodiments including rigid straight tubes for connecting a rheometer to an associated system are also described. In another embodiment, a flow-through rheometer is connected to an industry standard ½-20 thermowell aperture that is typically used for attaching temperature and pressure probes to a vessel containing a viscous material such as an extruder or injection molding system.

The utility model relates to the technical field of temperature sensors, in particular to an anti-separation temperature sensor, which comprises a junction box, a vertical thermocouple sleeve fixedly connected to the middle of the bottom end of the junction box, a flange movably mounted outside the thermocouple sleeve, and a mounting sleeve fixedly connected to the upper end of the flange. An anti-falling mechanism is arranged between the mounting sleeve and the thermowell; a box cover is in threaded connection with the top end of the junction box, a transverse cable sealing pipe is integrally formed on the right side of the junction box, and a sealing head is in threaded connection with the right side of the cable sealing pipe. According to the utility model, through the rigid meshing cooperation of the triangular clamping head and the clamping groove and the elastic reset effect of the second spring, the reliable anti-falling effect in a high-frequency vibration environment is realized, and the problem of loosening or falling of the sensor caused by continuous mechanical vibration in the prior art is effectively solved.

The utility model discloses a laboratory high-temperature heating furnace which comprises a heat dissipation box body, an operation table arranged on the heat dissipation box body, a condensate water circulating water jacket fixed on the heat dissipation box body, an inner furnace body, a water inlet pipe and a water outlet pipe, wherein the upper part of the inner furnace body is sleeved in the condensate water circulating water jacket, and the lower part of the inner furnace body is arranged in the heat dissipation box body; the device comprises an inner furnace body, an upper end cover covering the inner furnace body, a heating furnace body which is arranged in a heat dissipation box body and sleeves the lower part of the inner furnace body, a heater arranged between the inner furnace body and the heating furnace body, a first thermowell, a second thermowell, a replacement gas inlet and a replacement gas outlet which are arranged on the upper end cover, and a wire winding roller arranged in the inner furnace body, the heat insulation block is arranged in the middle of the inner furnace body; the heat insulation layer is arranged between the heat insulation block and the upper end cover; the first thermocouple sleeve penetrates through the heat insulation block and is arranged in the wire winding roller, and the water inlet pipe and the water outlet pipe are externally connected with cooling water.

The invention relates to the field of measuring technology and can be used in oil refining, power engineering, metallurgy and other branches of industry to prevent damage to temperature sensors when measuring the temperature of flowing liquid and gaseous media. A thermowell for a temperature sensor comprises a mounting part for attachment to an object, and an immersion part in the shape of a solid of revolution having a blind hole, said immersion part having flow modifying elements on the outer surface thereof, which are provided in the form of longitudinal ribs divided into sections, wherein the sections on adjacent ribs are offset from one another. The technical result is that of adapting a thermowell for use across a wider range of flow rates by more efficiently reducing vortex formation and oscillation amplitude.