19 results about "Thermowell" patented technology

A temperature probe is mountable within a thermowell having an inner bore having an end shape at an end. The temperature probe includes a probe body configured to be mounted within a thermowell. A temperature sensitive element is disposed within the probe body and has an electrical characteristic that varies with temperature. An end cap is connected to the probe body and has a surface profile shaped to match the end shape of the bore of the thermowell. A temperature measurement system is also provided that employs a thermowell and a temperature probe having a geometrically matching end cap.

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 application relates to a thermocouple automatic casing process method and belongs to the field of high-temperature-resistant thermocouples. The method comprises the following steps: S1, feeding and straightening a thermocouple wire and cutting the thermocouple wire into a fixed length; S2, feeding single-hole ceramic tubes and displacing a plurality of the single-hole ceramic tubes to a perforating station; S3, threading the thermocouple wire in step S1 through the plurality of single-hole ceramic tubes in step S2 to form a single-group casing thermocouple wire; S4, repeating steps S1-S3 to form two groups of casing thermocouple wires; S5, feeding double-hole ceramic tubes and adjusting the postures of the double-hole ceramic tubes; S6, threading the two groups of casing thermocouple wires in step S4 through the double-hole ceramic tubes in step S5; and S7, welding the two groups of casing thermocouple wires in step S6 close to one end of the double-hole ceramic tubes to complete thermocouple casing. The application is favorable for realizing automatic and efficient operation of thermocouple wire casing and ensuring the consistency of thermocouple processing.

The invention relates to a thermometer pipe orifice structure capable of adapting to different process measuring point requirements, which comprises a flange cover, a connecting flange, a pipe connecting flange and an inward extending pipe, and is characterized in that the top of the inward extending pipe is welded with the connecting flange, and the bottom of the inward extending pipe is provided with a thread adjusting mechanism; the thread adjusting mechanism comprises a bottom plate, a sleeve, a sealing plate, a stud, a nut and a threaded connector, the sleeve is welded to the upper portion of the bottom plate, the sealing plate is welded to the upper portion of the sleeve, a through hole is formed in the center of the sealing plate, the lower end of the stud penetrates through the through hole of the sealing plate and then is matched with the nut, the upper end of the stud is welded to the threaded connector, and the lower end of the stud is matched with the threaded connector. The threaded connector is provided with a containing cavity from top to bottom in a concave mode, the bottom of the inward extending pipe is contained in the containing cavity, external threads are arranged at the bottom of the inward extending pipe, internal threads matched with the external threads at the bottom of the inward extending pipe are arranged in the containing cavity of the threaded connector, and therefore the insertion depth of the thermometer can be adjusted. Therefore, different process measuring point requirements can be met.

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.

A temperature probe is mountable within a thermowell having an internal bore with an end having an end shape. The temperature probe includes a probe body configured to be mounted within the thermowell. A temperature sensitive element is disposed within the probe body and has an electrical characteristic that varies with temperature. An end cap is coupled to the probe body and has a surface contour that is shaped to match the end shape of the bore of the thermowell. A temperature measurement system employing the thermowell and the temperature probe having a geometrically matching end cap is also provided.

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 discloses a fused salt tank heat insulation supporting structure, which relates to the field of fused salt storage infrastructure construction and comprises a broken stone hardcore under the ground of a salt tank area, CFG piles are embedded under the broken stone hardcore to enhance the bearing capacity of a foundation, and a ring wall is arranged on the outer side of the broken stone hardcore. A concrete bottom plate is arranged on the broken stone hardcore, a cooling air pipe is arranged in the broken stone hardcore to prevent overheating, shale ceramsite is arranged above the broken stone hardcore, a refractory ceramic fiber blanket is laid at a groove and is filled with a refractory pouring material, a sand cushion layer is arranged at a non-groove position for leveling, and a gap is reserved between the concrete bottom plate and the annular wall and is sealed. A steel reinforcement framework is arranged in the refractory castable, a flexible waterproof sleeve is sleeved at the position of a cooling air pipe penetrating through a ring wall, a thermocouple sleeve is pre-embedded in a concrete bottom plate, a drainage hole is formed in the ring wall, and the bottom plate adopts double-layer two-way reinforcement. The stability is enhanced through the CFG piles and the collaborative stress design, the heat insulation performance is improved through the composite heat insulation system, durability is guaranteed through multiple measures, the deformation adaptability is improved through reserved gaps and sealing, and the maintenance frequency and cost are reduced.

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 application provides an anti-ablation performance testing device, which comprises a plasma gun (3), a testing table (4), a heat flow density calibration device (6) and a testing auxiliary tool (7). The heat flow density calibration device (6) comprises a heated end cover (8), a first water outlet straight pipe (9), a water inlet pipe (10), a water outlet elbow pipe (11), a turbine flowmeter (13), a first water inlet nozzle (14), a first water outlet nozzle (15), a second water outlet straight pipe (16), a first sealing end cover (19) and a second sealing end cover (20). The testing auxiliary tool (7) comprises a flame baffle (21), an outer water cooling pipe (24), an inner water cooling pipe (25), a second water outlet nozzle (26), a second water inlet nozzle (27), a thermocouple sleeve (29) and a sleeve plug (31). The device uses a plasma flame as a heat source, can effectively evaluate the anti-ablation performance of superhigh / high melting point materials and avoids ablation, melting and other problems of the tool in a long-term ablation process.

The utility model relates to an air inlet pipe mounting tool which comprises a tool pipe, the tool pipe comprises a connector, a sleeve and an extension rod, one end of the sleeve is detachably connected with one end of the extension rod through the connector, the sleeve is used for allowing part of an air inlet pipe to be inserted, and the extension rod is detachably connected with the connector. The connector is used for being connected with the end, stretching into the sleeve, of the air inlet pipe in an abutting mode. The gas inlet pipe can push the tool pipe to retreat out of the furnace tube through the connector, and the furnace tube can guide the gas inlet pipe in the retreating process, so that the gas inlet pipe can sequentially penetrate through the hanging rings, and meanwhile, the gas inlet pipe can be prevented from poking the hanging rings or damaging quartz pieces such as the furnace tube and a thermocouple sleeve.

A temperature probe (200) is mountable within a thermowell (106, 220) having an internal bore with an end (110) having an end shape. The temperature probe (200) includes a probe body (206) configured to be mounted within the thermowell. A temperature sensitive element (216) is disposed within the probe body (206) and has an electrical characteristic that varies with temperature. An end cap (208) is coupled to the probe body (206) and has a surface contour that is shaped to match the end shape of the bore of the thermowell (110, 220). A temperature measurement system (222) employing the thermowell (106, 220) and the temperature probe (200) having a geometrically matching end cap (208) is also provided.

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.

The utility model provides a thermowell, which comprises an isolating tube, an inner-layer tube and an outer-layer cover. The isolation tube is used for accommodating a thermocouple; the inner-layer pipe comprises a ball bowl, and the isolation pipe penetrates through the ball bowl from the bowl bottom of the ball bowl; the outer-layer cover is arranged outside the inner-layer pipe, the side, close to the bowl bottom of the ball bowl, of the outer-layer cover is a cover top, the side, close to the bowl opening of the ball bowl, of the outer-layer cover is a cover bottom, the cover top is connected with the outer wall of the isolation pipe in a sealed mode, the cover bottom is open, and the inner-layer pipe is connected with the isolation pipe in a sealed mode. And the cover surface of the outer layer cover is provided with an air inlet pipe. Nitrogen is introduced into the outer layer cover through the gas inlet pipe of the outer layer cover, a nitrogen environment is formed in the area around the thermocouple inlet of the process pipe, oxygen in the atmosphere is effectively prevented from entering the process pipe, the sealing performance of the thermocouple inlet end of the process pipe is improved, the leakage rate is reduced, the situation that the uniformity of wafers is poor is reduced, and the stability of a machine table is improved.

The utility model relates to the technical field of coal cups, in particular to an alignment device for a coal cup, which comprises a cup body, a cup bottom, a pressure disc, a thermocouple sleeve and a pressure plate, the alignment mechanism comprises a disc, a cylindrical rod, a handle and a cross rod; the coal cup solves the problems that when an existing coal cup is installed, observation needs to be conducted through human eyes, deviation is prone to occurring between the center point of a groove in the cup bottom and a screw hole in the cup body, a pressure disc is blocked and cannot move, the accuracy of an experiment result is reduced, installation efficiency is low, observation does not need to be conducted through the human eyes, and the cost is low. The cup bottom can be rapidly installed in the cup body, it is guaranteed that the center point of the groove in the cup bottom and the screw hole in the cup body are located on the same vertical plane, movement of the pressure disc is guaranteed, the accuracy of experimental results is improved, and meanwhile the installation efficiency of the coal cup is improved.