CN113588109B - Leakage-resistant adjustable multi-point thermocouple for reactor catalyst measuring point nozzle - Google Patents
Leakage-resistant adjustable multi-point thermocouple for reactor catalyst measuring point nozzle Download PDFInfo
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- CN113588109B CN113588109B CN202110804653.5A CN202110804653A CN113588109B CN 113588109 B CN113588109 B CN 113588109B CN 202110804653 A CN202110804653 A CN 202110804653A CN 113588109 B CN113588109 B CN 113588109B
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- 239000003054 catalyst Substances 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 94
- 238000005259 measurement Methods 0.000 claims description 38
- 238000012546 transfer Methods 0.000 claims description 38
- 238000004321 preservation Methods 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 4
- 230000009471 action Effects 0.000 abstract description 16
- 239000007789 gas Substances 0.000 abstract description 15
- 238000013459 approach Methods 0.000 abstract description 5
- 239000012495 reaction gas Substances 0.000 abstract description 4
- 238000009529 body temperature measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a leakage-resistant adjustable multi-point thermocouple for a reactor catalyst measuring point nozzle, which belongs to the field of leakage-resistant thermocouples. According to the invention, the multi-point temperature measuring mechanism and the rotating mechanism are arranged, so that the third temperature transmitting rod moves downwards and approaches the reaction center, when the temperature transmitting plate is separated from the second temperature transmitting rod and enters the reactor, the temperature transmitting plate is contacted with air in the reactor and rapidly transmits the temperature to the third temperature transmitting rod, at the moment, the temperature of the second temperature transmitting rod gradually rises, meanwhile, the trapezoid clamping block is separated from the clamping groove, the gas spring is limited and opened, the temperature transmitting plate is outwards unfolded, the temperature transmitting range is enlarged, the temperature transmitting plate rotates while moving downwards under the action of the rotating mechanism, the air in the reactor is mixed, the flow of gas is accelerated, the temperature around the temperature transmitting plate is kept uniform, the measuring accuracy is improved, and the catalyst of reaction gas can be fully reacted.
Description
Technical Field
The invention discloses a leakage-resistant adjustable multi-point thermocouple for a reactor catalyst measuring point nozzle, which belongs to the field of leakage-resistant thermocouples.
Background
Thermocouples are commonly used temperature measuring elements in temperature measuring instruments that directly measure temperature and convert temperature signals into thermoelectromotive signals that are converted into the temperature of the medium being measured by an electrical instrument. The external forms of the thermocouples are very different according to the needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are usually composed of main parts such as a hot electrode, an insulating sleeve protection tube, a junction box and the like, and are usually matched with a display instrument, a recording instrument and an electronic regulator.
In the prior art, in order to ensure that the catalyst in the measuring reactor can fully react, a thermocouple is required to measure the temperature in the reactor, so that the temperature in the reactor is ensured to be the temperature required by the maximum reaction of the catalyst, but in the actual process, the closer the temperature is to the reaction position, the more accurate the temperature is, so that the temperature in the reactor needs to be measured at multiple points, the authenticity of measurement can be ensured, and the problem that the catalyst is insufficient in reaction due to the measurement error is avoided.
Based on the above, the invention designs a leakage-resistant adjustable multi-point thermocouple for a reactor catalyst measuring point nozzle, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a leakage-resistant adjustable multi-point thermocouple for a reactor catalyst measuring point nozzle, which aims to solve the problems that in the prior art, as the temperature is diffused and exchanged, the closer to a reaction position, the more accurate the temperature is, the more the temperature in the reactor needs to be measured, the authenticity of measurement can be ensured, and the insufficient reaction of a catalyst caused by the measurement error is avoided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a reactor catalyst measurement station adjustable multiple spot thermocouple that hinders leaks for nozzle, includes the terminal box, terminal box bottom fixedly connected with first heat transfer stick, heat transfer board surface fixedly connected with heat preservation circle, heat preservation circle bottom fixedly connected with second heat transfer stick, wherein the second heat transfer stick is hollow structure, second heat transfer stick inside wall is provided with multiple spot temperature measurement mechanism, multiple spot temperature measurement mechanism includes the cylinder, cylinder and terminal box lateral wall fixed connection, the telescopic link bottom fixedly connected with L shape connecting rod of cylinder, L shape connecting rod other end fixedly connected with third heat transfer stick, third heat transfer stick top is provided with rotary mechanism, third heat transfer stick surface fixedly connected with is array distribution's heat conduction piece, heat conduction piece surface fixedly connected with is array distribution's air spring, the end fixedly connected with heat transfer board of air spring compression rod, the cylinder upper surface fixedly connected with first L shape connecting block, first L shape end sliding connection has the slide bar, slide bar fixedly connected with a slide bar bottom, the first roll end fixedly connected with a trapezoidal block, the roll end fixedly connected with a trapezoidal block compression spring compression rod, the top fixedly connected with a trapezoidal block, the roll end fixedly connected with a roll top, the first roll end fixedly connected with a trapezoidal block, the roll end fixedly connected with a roll connecting block, the top end fixedly connected with a trapezoidal block, the roll connecting with a roll top is connected with a roll, the end part of the second L-shaped connecting block is fixedly connected with an extrusion block, the inner side wall of the end of the second transmission Wen Bande is fixedly connected with a pushing ring, pushing grooves matched with the first pushing roller are formed in an array on the upper surface of the pushing ring, and extrusion grooves matched with the extrusion block are formed in the lower surface of the pushing ring;
in the prior art, in order to ensure that the catalyst in the reactor can fully react, a thermocouple is required to measure the temperature in the reactor, so that the temperature in the reactor is ensured to be the temperature required by the maximum reaction of the catalyst, but in the actual process, the temperature is more accurate as the temperature is diffused and exchanged and is closer to the reaction position, so that the temperature in the reactor is required to be measured at multiple points, the measurement authenticity is ensured, the problem that the catalyst is insufficiently reacted due to the measurement error is avoided, the cylinder is started firstly, the telescopic rod of the cylinder moves downwards, the third temperature transmission rod moves downwards and approaches the reaction center under the driving of the L-shaped connecting rod, when the temperature transmission plate is separated from the second temperature transmission rod and enters the reactor, the temperature transmission plate contacts with the air in the reactor, and the temperature is quickly transmitted into the third temperature transmission rod, at the moment, the temperature of the second temperature transmission rod is gradually increased until the first temperature transmission roller is contacted with the pushing ring, the sliding rod is fixed, the reset spring is compressed, meanwhile, the trapezoidal clamping block is separated from the clamping groove, the air spring is opened in a limiting way, so that the temperature transmission plate is outwards unfolded to expand the temperature transmission range, meanwhile, under the action of the rotating mechanism, the temperature transmission plate moves downwards and simultaneously rotates, air in the reactor is mixed, the flow of air is accelerated, the temperature at the periphery of the temperature transmission plate is kept uniform, so that the measurement accuracy is improved, a plurality of temperature transmission plates are arranged on the third temperature transmission rod in an array manner, the temperature of the reactor can be measured at multiple points, multi-section sampling can be performed, the measurement accuracy is ensured, after the measurement is finished, the air cylinder is started, the telescopic rod of the air cylinder moves upwards, and under the action of the extruding block and the pushing groove, the compression rod of the air spring is contracted, the trapezoid clamping block moves upwards along the inclined plane of the first connecting block until the trapezoid clamping block is clamped with the clamping groove again, the gas spring is limited, the gas spring is prevented from moving, the temperature transfer plate is rotated away, the inner side wall of the second temperature transfer rod is damaged, then under the action of the temperature transfer block, the temperature of the third temperature transfer rod can be continuously stable, the temperature in the second temperature transfer rod can be quickly kept uniform under the rotation action of the temperature transfer plate, the temperature same as the measurement position is reached, the measurement accuracy is improved, the catalyst of the reaction gas is guaranteed to fully react, the problem that the temperature in the reaction reactor needs to be measured at multiple points because the temperature has diffusion and exchange, the measurement authenticity is ensured, and the problem that the catalyst reaction is insufficient due to the measurement error is avoided is solved.
As a further scheme of the invention, the rotating mechanism comprises a driving gear, the driving gear is fixedly connected to the top end of a third temperature transmission rod, a driving rack is meshed with the side face of the driving gear, the bottom end of the driving rack is fixedly connected with a sliding plate, the sliding plate is slidingly connected to the surface of the top end of the third temperature transmission plate, U-shaped pushing blocks are fixedly connected to the two sides of the driving rack, and trapezoid pushing blocks which are staggered in an array are fixedly connected to the inner side wall of the second temperature transmission plate; during operation, in order to ensure that the temperature contacted by the temperature transmission plate is kept uniform, the problem of inaccurate measurement is avoided, when the third temperature transmission rod moves downwards, under the action of the U-shaped pushing block and the trapezoidal pushing block, the driving rack moves left and right, under the meshing action of the driving rack and the driving gear, the driving gear drives the third temperature transmission rod to rotate, then the temperature transmission plate is rotated, the temperature in the reactor is kept uniform, the temperature in the second temperature transmission rod is kept uniform, and the measurement accuracy is improved.
As a further scheme of the invention, the inner side of the U-shaped pushing block is rotatably connected with a second pushing roller; during operation, extrusion promotion through second pushing roll and trapezoidal promotion has effectually protected second heat transfer stick inner structure, avoids taking place the collision damage, increase of service life.
As a further scheme of the invention, a spiral channel is formed on the inner side of the temperature guide block; during operation, when the third temperature transmission rod rotates, the temperature guide block rotates along with the third temperature transmission rod, gas in the reactor enters into the temperature guide block through the spiral channel, the rising speed of the temperature guide block is accelerated, the timeliness of device measurement is improved, and meanwhile, when the temperature guide block is retracted into the second temperature transmission rod, the gas of the spiral channel enters into the second temperature transmission rod, so that the second temperature transmission rod can be insulated, temperature reduction is avoided, and measurement error is increased.
As a further scheme of the invention, the bottom end of the heat preservation ring is fixedly connected with a heat preservation sleeve, the bottom end of the heat preservation sleeve is fixedly provided with a heat preservation cover, and the heat preservation cover is fixedly connected with a third heat transfer rod; during operation, the second temperature transmission rod can be subjected to heat preservation through the heat preservation sleeve and the heat preservation cover, so that temperature loss is avoided, and measurement error is increased.
As a further scheme of the invention, the metal material used by the second temperature transmission rod internal mechanism is the same as the second Wen Bangcai material; during operation, the metal material used by the second temperature transmission rod internal mechanism is guaranteed to be identical to the material of the second temperature transmission rod Wen Bangcai, and the temperature gradient generated in the second temperature transmission rod due to different materials is avoided, so that the measurement error is increased.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the air cylinder is started by arranging the multipoint temperature measuring mechanism and the rotating mechanism, the telescopic rod of the air cylinder moves downwards, the third temperature transmitting rod moves downwards and approaches the reaction center by being driven by the L-shaped connecting rod, when the temperature transmitting plate is separated from the second temperature transmitting rod and enters the reactor, the temperature transmitting plate is contacted with air in the reactor, and the temperature is quickly transmitted into the third temperature transmitting rod, at the moment, the temperature of the second temperature transmitting rod is gradually increased, meanwhile, the trapezoid clamping block is separated from the clamping groove, the air spring is limited and opened, so that the temperature transmitting plate is outwards unfolded, the temperature transmitting range is enlarged, the air in the reactor is rotated while the temperature transmitting plate moves downwards under the action of the rotating mechanism, the flow of air is accelerated, the temperature around the temperature transmitting plate is kept uniform, the measuring accuracy is improved, and the catalyst of reaction gas can be fully reacted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first schematic view of the general structure of the present invention;
FIG. 2 is a cross-sectional view of a second temperature transmission rod according to the present invention;
FIG. 3 is a diagram of a multipoint temperature measurement connection condition in the present invention;
FIG. 4 is a diagram showing the connection of the rotating mechanism according to the present invention;
FIG. 5 is a diagram showing the connection of the first L-shaped connection block according to the present invention;
FIG. 6 is a perspective view of a first connector block according to the present invention;
FIG. 7 is a perspective view of a temperature block according to the present invention;
FIG. 8 is a first schematic view of a push ring according to the present invention;
fig. 9 is a second schematic view of the pushing ring according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
junction box 1, first heat transfer stick 2, heat preservation circle 3, second heat transfer stick 4, cylinder 5, L shape connecting rod 6, third heat transfer stick 7, heat conduction piece 8, gas spring 9, heat transfer board 10, first L shape connecting block 11, slide bar 12, trapezoidal joint piece 13, reset spring 14, first connecting block 15, joint groove 16, push plate 17, first push roller 18, second connecting block 19, second L shape connecting block 20, extrusion piece 21, push ring 22, push groove 23, extrusion groove 24, drive gear 25, drive rack 26, slide plate 27, U-shaped push piece 28, trapezoidal push piece 29, second push roller 30, spiral passageway 31, heat preservation cover 32, heat preservation lid 33.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a leak-proof adjustable multi-point thermocouple for a reactor catalyst measuring point nozzle, which comprises a junction box 1, the first heat transfer stick 2 of terminal box 1 bottom fixedly connected with, heat preservation circle 3 is connected with to heat transfer board 10 fixed surface, the second heat transfer stick 4 is connected with to heat preservation circle 3 bottom fixedly, wherein second heat transfer stick 4 is hollow structure, the inside wall of second heat transfer stick 4 is provided with multi-point temperature measurement mechanism, multi-point temperature measurement mechanism includes cylinder 5, cylinder 5 and terminal box 1 lateral wall fixed connection, L shape connecting rod 6 is connected with to the telescopic link bottom fixed connection of cylinder 5, the other end fixed connection of L shape connecting rod 6 has third heat transfer stick 7, third heat transfer stick 7 top is provided with rotary mechanism, third heat transfer stick 7 fixed surface is connected with the heat conduction piece 8 that is the array distribution, heat conduction piece 8 fixed surface is connected with the gas spring 9 that is the array distribution, the end part of the compression rod of the air spring 9 is fixedly connected with a temperature transmission plate 10, the upper surface of the cylinder barrel of the air spring 9 is fixedly connected with a first L-shaped connecting block 11, the end part of the first L-shaped connecting block 11 is connected with a sliding rod 12 in a sliding way, the bottom end of the sliding rod 12 is fixedly connected with a trapezoid clamping block 13, the surface of the sliding rod 12 is sleeved with a return spring 14, the two ends of the return spring 14 are respectively fixedly connected with the first L-shaped connecting block 13, the surface of the compression rod of the air spring 9 is fixedly connected with a first connecting block 15, the surface of the first connecting block 15 is provided with a clamping groove 16 which can be clamped with the trapezoid clamping block 13, one side of the first connecting block, which is close to the cylinder barrel of the air spring 9, is provided with an inclined plane, the top end part of the sliding rod 12 is fixedly connected with a pushing plate 17, the end part of the pushing plate 17 is connected with a first pushing roller 18 in a rotating way, the surface of the compression rod is fixedly connected with a second connecting block 19, the top end part of the second clamping block is fixedly connected with a second L-shaped connecting block 20, the end part of the second L-shaped connecting block 20 is fixedly connected with an extrusion block 21, the inner side wall at the bottom end of the second temperature transmission plate 10 is fixedly connected with a pushing ring 22, pushing grooves 23 which are matched with the first pushing roller 18 are formed in an array on the upper surface of the pushing ring 22, and extrusion grooves 24 which are matched with the extrusion block 21 are formed in the lower surface of the pushing ring 22;
in the prior art, in order to ensure that the catalyst in the reactor can fully react, a thermocouple is required to measure the temperature in the reactor, so that the temperature in the reactor is ensured to be the temperature required by the maximum reaction of the catalyst, but in the actual process, as the temperature is diffused and exchanged, the closer to the reaction position, the more accurate the temperature is, the temperature in the reactor is required to be measured, the measurement authenticity is ensured, the problem that the catalyst is insufficiently reacted due to the measurement error is avoided, the cylinder 5 is started firstly, the telescopic rod of the cylinder 5 moves downwards, the third temperature transmission rod 7 moves downwards and approaches the reaction center by the driving of the L-shaped connecting rod 6, when the temperature transmission plate 10 is separated from the second temperature transmission rod 4 to enter the reactor, the temperature transmission plate 10 contacts with the air in the reactor, and the temperature is quickly transmitted into the third temperature transmission rod 7, at this time, the temperature of the second temperature transmission rod 4 gradually rises until the first transmission roller is contacted with the pushing ring 22, the sliding rod 12 is fixed, the reset spring 14 is compressed, meanwhile, the trapezoid clamping block 13 is separated from the clamping groove 16, the gas spring 9 is limited and opened, the temperature transmission plate 10 is outwards unfolded to expand the temperature transmission range, meanwhile, under the action of the rotating mechanism, the temperature transmission plate 10 moves downwards and rotates, air in the reactor is mixed, the flow of gas is accelerated, the temperature at the periphery of the temperature transmission plate 10 is kept uniform, thereby improving the measurement accuracy, a plurality of temperature transmission plates 10 are arranged on the third temperature transmission rod 7 in an array, the temperature of the reactor can be measured in a multi-stage manner, the measurement accuracy is ensured, after the measurement is finished, the cylinder 5 is started, the telescopic rod of the cylinder 5 moves upwards, under the action of the extrusion block 21 and the pushing groove 23, the compression rod of the gas spring 9 contracts, the trapezoid clamping block 13 moves upwards along the inclined plane of the first connecting block 15 until the trapezoid clamping block 13 is clamped with the clamping groove 16 again, the gas spring 9 is limited, the gas spring 9 is prevented from moving, the temperature transmission plate 10 is rotated away, the inner side wall of the second temperature transmission rod 4 is damaged, then under the action of the temperature guide block 8, the temperature of the third temperature transmission rod 7 can be continuously stabilized, the temperature in the second temperature transmission rod 4 can be quickly kept uniform under the rotating action of the temperature transmission plate 10, the temperature is as high as the measuring position, the measuring accuracy is improved, the catalyst of the reaction gas can fully react, the problem that in an actual process, the temperature in the reactor needs to be measured at multiple points because the temperature has diffusion and exchange, the temperature is more accurate when the temperature is closer to the reacting position, the measuring authenticity can be ensured, and the problem that the catalyst reaction is insufficient due to the measuring error is avoided.
As a further scheme of the invention, the rotating mechanism comprises a driving gear 25, the driving gear 25 is fixedly connected to the top end of the third temperature transmission rod 7, a driving rack 26 is meshed with the side surface of the driving gear 25, the bottom end of the driving rack 26 is fixedly connected with a sliding plate 27, the sliding plate 27 is slidingly connected to the top end surface of the third temperature transmission plate 10, two sides of the driving rack 26 are fixedly connected with U-shaped pushing blocks 28, and the inner side wall of the second temperature transmission plate 10 is fixedly connected with trapezoid pushing blocks 29 which are staggered in an array manner; in order to ensure that the temperature contacted by the temperature transmission plate 10 is kept uniform, the problem of inaccurate measurement caused by uneven temperature is avoided, when the third temperature transmission rod 7 moves downwards, the driving rack 26 moves left and right under the action of the U-shaped pushing block and the trapezoid pushing block 29, the driving gear 25 drives the third temperature transmission rod 7 to rotate under the meshing action of the driving rack 26 and the driving gear 25, the temperature transmission plate 10 is further rotated, the temperature in the reactor is kept uniform, and meanwhile, the temperature in the second temperature transmission rod 4 is kept uniform, so that the measurement accuracy is improved.
As a further proposal of the invention, the inner side of the U-shaped pushing block 28 is rotatably connected with a second pushing roller 30; during operation, extrusion promotion through second pushing roll and trapezoidal promotion has effectually protected 4 inner structure of second heat transfer stick, avoids taking place the collision damage, increase of service life.
As a further scheme of the invention, a spiral channel 31 is arranged on the inner side of the temperature guide block 8; during operation, when the third temperature transmission rod 7 rotates, the temperature guide block 8 rotates along with the third temperature transmission rod 7, gas in the reactor enters into the temperature guide block 8 through the spiral channel 31, the rising speed of the temperature guide block 8 is accelerated, the timeliness of device measurement is improved, and meanwhile, when the temperature guide block 8 is retracted into the second temperature transmission rod 4, the gas of the spiral channel 31 enters into the second temperature transmission rod 4, the second temperature transmission rod 4 can be insulated, temperature reduction is avoided, and measurement error is increased.
As a further scheme of the invention, the bottom end of the heat preservation ring 3 is fixedly connected with a heat preservation sleeve 32, the bottom end of the heat preservation sleeve 32 is fixedly provided with a heat preservation cover 33, and the heat preservation cover 33 is fixedly connected with the third temperature transmission rod 7; during operation, the second temperature transmission rod 4 can be subjected to heat preservation through the heat preservation sleeve 32 and the heat preservation cover 33, so that temperature loss is avoided, and measurement error is increased.
As a further scheme of the invention, the metal material used by the internal mechanism of the second temperature transmission rod 4 is the same as the material of the second temperature transmission rod 4; during operation, the metal material used by the internal mechanism of the second temperature transmission rod 4 is guaranteed to be the same as the material of the second temperature transmission rod 4, so that the temperature gradient generated in the second temperature transmission rod 4 is avoided due to different materials, and the measurement error is increased.
Working principle: starting the air cylinder 5, enabling the telescopic rod of the air cylinder 5 to move downwards, enabling the third temperature transmission rod 7 to move downwards by being driven by the L-shaped connecting rod 6 and approach to the reaction center, enabling the temperature transmission plate 10 to be separated from the second temperature transmission rod 4 and enter the reactor, enabling the temperature transmission plate 10 to be in contact with air in the reactor, enabling the temperature to be quickly transmitted to the third temperature transmission rod 7, enabling the temperature of the second temperature transmission rod 4 to be gradually increased until the first temperature transmission rod is in contact with the pushing ring 22, fixing the sliding rod 12, enabling the reset spring 14 to be compressed, enabling the trapezoid clamping block 13 to be separated from the clamping groove 16, enabling the air spring 9 to be limited and opened, enabling the temperature transmission plate 10 to be unfolded outwards, expanding the temperature transmission range, enabling the temperature transmission plate 10 to move downwards and simultaneously rotating under the action of the rotating mechanism, enabling the air in the reactor to be mixed, enabling the air cylinder 5 to move upwards after measurement is completed, enabling the telescopic rod of the air cylinder 5 to be contracted by the compression rod of the air spring 9 under the action of the pushing block 21 and the pushing groove 23, enabling the trapezoid clamping block 13 to move upwards along the first clamping block 15 and the trapezoid clamping block 13 to be in a limiting mode, and enabling the trapezoid clamping block 13 to move upwards along the trapezoid clamping block 9 to be in a limiting mode.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a reactor catalyst measurement station adjustable multi-point thermocouple that leaks that hinders for nozzle, includes terminal box (1), terminal box (1) bottom fixedly connected with first heat transfer stick (2), heat transfer board (10) fixedly connected with heat preservation circle (3), heat preservation circle (3) bottom fixedly connected with second heat transfer stick (4), wherein second heat transfer stick (4) are hollow structure, second heat transfer stick (4) inside wall is provided with multi-point temperature measuring mechanism, its characterized in that: the multipoint temperature measuring mechanism comprises an air cylinder (5), the air cylinder (5) is fixedly connected with the outer side wall of a junction box (1), an L-shaped connecting rod (6) is fixedly connected with the bottom end of a telescopic rod of the air cylinder (5), a third temperature transmission rod (7) is fixedly connected with the other end of the L-shaped connecting rod (6), a rotating mechanism is arranged at the top end of the third temperature transmission rod (7), temperature guide blocks (8) distributed in an array are fixedly connected with the surface of the third temperature transmission rod (7), air springs (9) distributed in an array are fixedly connected with the surface of the temperature guide blocks (8), the end parts of compression rods of the air springs (9) are fixedly connected with temperature transmission plates (10), a first L-shaped connecting block (11) is fixedly connected with the upper surface of a cylinder barrel of the air springs (9), a slide rod (12) is connected with the end part of the first L-shaped connecting block in a sliding mode, a trapezoid clamping block (13) is fixedly connected with the bottom end part of the third temperature transmission rod, a reset spring (14) is sleeved on the surface of the third temperature transmission rod (7), two ends of the reset spring (14) are respectively connected with the trapezoid clamping block (13) and the first connecting block (15) can be fixedly connected with the surface of the first connecting block (15), the utility model discloses a high-temperature heat transfer device, including air spring (9) cylinder, slide bar (12), first connecting block, second joint block top fixedly connected with L shape connecting block (20), second L shape connecting block (20) tip fixedly connected with extrusion piece (21), second heat transfer board (10) bottom inside wall fixedly connected with promotes circle (22), promote circle (22) upper surface array and first push roller (18) mutually supporting promote groove (23), promote circle (22) lower surface and seted up extrusion groove (24) mutually supporting with extrusion piece (21).
2. The leak-stopping adjustable multi-point thermocouple for a reactor catalyst measurement point nozzle according to claim 1, wherein: the rotating mechanism comprises a driving gear (25), the driving gear (25) is fixedly connected to the top end of a third temperature transmission rod (7), a driving rack (26) is meshed to the side face of the driving gear (25), a sliding plate (27) is fixedly connected to the bottom end of the driving rack (26), the sliding plate (27) is slidably connected to the top end surface of a third temperature transmission plate (10), U-shaped pushing blocks (28) are fixedly connected to two sides of the driving rack (26), and trapezoid pushing blocks (29) which are staggered in array are fixedly connected to the inner side wall of the second temperature transmission plate (10).
3. The leak-stopping adjustable multi-point thermocouple for a reactor catalyst measurement point nozzle according to claim 2, wherein: the inner side of the U-shaped pushing block (28) is rotatably connected with a second pushing roller (30).
4. The leak-stopping adjustable multi-point thermocouple for a reactor catalyst measurement point nozzle according to claim 1, wherein: the inner side of the heat conducting block (8) is provided with a spiral channel (31).
5. The leak-stopping adjustable multi-point thermocouple for a reactor catalyst measurement point nozzle according to claim 1, wherein: the heat preservation ring (3) bottom fixedly connected with insulation cover (32), insulation cover (33) are fixed with to insulation cover (32) bottom, insulation cover (33) and third heat transfer stick (7) fixed connection.
6. The leak-stopping adjustable multi-point thermocouple for a reactor catalyst measurement point nozzle according to claim 1, wherein: the metal material used by the internal mechanism of the second temperature transmission rod (4) is the same as the material of the second temperature transmission rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804653.5A CN113588109B (en) | 2021-07-16 | 2021-07-16 | Leakage-resistant adjustable multi-point thermocouple for reactor catalyst measuring point nozzle |
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