CN201561814U - Temperature measurement system with integrated skid frame structure - Google Patents
Temperature measurement system with integrated skid frame structure Download PDFInfo
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- CN201561814U CN201561814U CN2009203185663U CN200920318566U CN201561814U CN 201561814 U CN201561814 U CN 201561814U CN 2009203185663 U CN2009203185663 U CN 2009203185663U CN 200920318566 U CN200920318566 U CN 200920318566U CN 201561814 U CN201561814 U CN 201561814U
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 7
- 239000011280 coal tar Substances 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a temperature measurement system with an integrated skid frame structure on a coal tar hydrogenation reactor. The temperature measurement system is a measurement system comprising a flexible thermocouple, a reactor surface thermocouple and a skid frame, wherein the flexible thermocouple adopts a single multi-point sheathed thermocouple, and is horizontally inserted in a pressure bearing protective casing positioned in equipment through a threaded connecting port formed on a blind flange connected with the protective casing. One measurement unit is arranged in every bed, each unit comprises an upper thermocouple and a lower thermocouple, the upper thermocouple is a three-point flexible thermocouple, and the lower thermocouple is a two-point flexible thermocouple. Measured thermocouple signals are connected with temperature transducers inside the skid frame; in addition, the reactor surface thermocouple is a flexible bendable multi-point sheathed thermocouple and is used for measuring the temperature of local points on the outer surface of the reactor, and a bending armored sleeve of the reactor surface thermocouple extends from a connecting pipe to a measuring point along the outer surface of the reactor. The skid frame comprises a skid frame body, the temperature transducers, a field indicator, an internal connection box and accessories. The temperature measurement system has the advantages of simple construction, convenient maintenance, installation material conservation and construction cost conservation, and can create excellent economic benefits.
Description
Technical field
The utility model relates to the temperature of reactor measuring system of coal tar hydrogenating unit, refers in particular to the sled shelf structure integrated temperature measuring system that is applicable to coal tar hydrogenating reactor outside surface and inside reactor bed on the refining and petrochemical processing units.
Background technology
At present, on coal tar hydrogenating unit, the modal way of the temperature survey of high-pressure hydrocracking reactor surface and inside reactor is to measure the single-point temperature at each position, and by compensating wire or umbilical cable, output signal is sent the Distributed Control System (DCS) (DCS) of central control room (CCR).Number of cables is many, and complexity is installed, and difficulty of construction is big.
Summary of the invention
The purpose of this utility model is improved at shortcoming that exists in the background technology and problem, and a kind of economical and practical sled shelf structure integrated temperature measuring system of rationally holding concurrently is provided.This temperature measurement system is collected to all temperature measurement signals on the coal tar hydrogenating unit separate unit hydrogenation reactor in the temp measuring system of sled shelf structure, detects and controls with Distributed Control System (DCS) (DCS) and the safety interlocking control system SIS that DC4-20mA and MODBUS mode transfer to central control room (CCR) by umbilical cable.
The technical scheme that its technical matters that solves the utility model adopts is, constructs a kind of measuring system of being made up of flexible thermal galvanic couple, reactor surface thermopair and sled frame, wherein:
The flexible thermal galvanic couple adopts single Zhi Duodian armoured thermocouple, by the mouth that is threaded that covers with the sleeve pipe flange connecting, in the pressure-bearing protective casing in the laterally inserted equipment, is used to measure the hydrogenation reactor internal temperature.Each bed is established a measuring unit, and every unit is made up of two thermopairs up and down, and the top is a bikini flexible thermal galvanic couple, and the below is a two-point flexible thermal galvanic couple.The thermocouple signal of measuring connects the temperature transmitter in the sled frame;
The reactor surface thermopair is the flexible armoured thermocouple of a kind of flexible multi-point, is used to measure the temperature of reactor outside surface partial points, and its crooked armouring sleeve pipe extends to measurement point from taking over along the reactor outside surface.
The sled frame is the integrated component of a Stainless Steel shell mechanism, and the built-in temperature signal compiles assembly, and it is made up of sled frame body, temperature transmitter, on-the-spot indicator and back panel wiring case and annex.
The flexible thermal galvanic couple of the utility model sled shelf structure integrated temperature measuring system adopts special material, special connected mode, the Thermal couple casing pipe of its installation is subsidiary by reactor body, flexible thermocouple covers the appropriate location that threaded openings is inserted into bed by the reactor flange, and concrete inserting deeply determined according to the size calculating of technological requirement and reactor shell diameter.The reactor surface thermopair is many formula surface thermocouples that a kind of flange connects, and the reactor surface temperature that every thermocouple energy measurement is about 6 divides upper, middle and lower-ranking evenly to distribute.The sled frame adopts stainless steel material, and each reactor is joined a sled frame, and each sled frame is joined 16 temperature transmitters on the spot, 4 on-the-spot loop indicators and a multi-point temp converter, and the sled frame is installed on reactor underlying platform or the ground.All temperature signals on high-pressure hydrocracking reactor all are sent to central control room (CCR) by this sled frame temperature survey structure.
Advantage of the present utility model and beneficial effect:
By adopting sled shelf structure integrated temperature measuring system, all temperature detection signals all are pooled in sled the frame interior temperature transmitter or multi-point temp converter on the separate unit hydrogenation reactor, by adopting multi-core controlled cable or RS 485 communication modes to be sent in the system, construction is simple, easy to maintenance, can save a large amount of mounting materials and executive cost, create good economic benefits.
Description of drawings
Fig. 1 is one of flexible thermal galvanic couple wiring layout on reactor
Fig. 2 is two of the wiring layout of flexible thermal galvanic couple on reactor
Fig. 3 is the wiring layout of surface thermocouple on reactor
Fig. 4 is a sled shelf structure synoptic diagram
Embodiment
By Fig. 1 to 4 as can be known, the utility model sled shelf structure integrated temperature measuring system is made up of flexible thermal galvanic couple a, reactor surface thermopair d and sled frame, wherein:
Flexible thermal galvanic couple a adopts single Zhi Duodian armoured thermocouple, by with sleeve pipe c flange connecting lid b on the mouth that is threaded, among the pressure-bearing protective casing c in the laterally inserted equipment, be used to measure the hydrogenation reactor internal temperature.Each bed is established a measuring unit, and every unit is made up of two thermopairs up and down, and the top is a bikini flexible thermal galvanic couple, and the below is a two-point flexible thermal galvanic couple.The thermocouple signal of measuring connects the temperature transmitter in the sled frame;
Reactor surface thermopair d is the flexible armoured thermocouple of a kind of flexible multi-point, is used to measure the temperature of reactor outside surface partial points, and its crooked armouring sleeve pipe f extends to measurement point from taking over e along the reactor outside surface.
The sled frame is the integrated component of a Stainless Steel shell mechanism, and the built-in temperature signal compiles assembly, and it is made up of sled frame body, temperature transmitter, on-the-spot indicator and back panel wiring case and annex.
Described flexible thermal galvanic couple a carries out point for measuring temperature on the sustained height bed in reactor uniform, is made as 5 points by the device diameters size, the centre a bit, equidistant on every side uniform 4 points; Flexible thermal galvanic couple a is divided into different level by two-layer setting up and down at each bed, measures differing heights but the bed temperature in same circumference orientation; Flexible Thermocouple Temperature Signal is advanced Distributed Control System (DCS) DCS, adopts the high value of bed flexible thermal galvanic couple a average temperature value or choosing to control in the DCS system.
Described reactor surface thermopair d is provided with a flanged (FLGD) thermocouple and connects adapter e in the same orientation of reactor outside surface upper, middle and lower-ranking, take over that the e symmetry is uniform opens rectangular dead slot, surface thermocouple d stretches out from dead slot, extend to measurement point along the reactor outside surface, the flexible armoring sleeve pipe f that extends fixes by connecting folder g and device outer surface, is used to measure the temperature of coal tar hydrogenating reactor outside surface.
Described sled frame is made up of upper bed layer temperature transmitter 1, middle bed temperature transmitter 2, lower bed layer temperature transmitter 3, outlet temperature transmitter 4, scene temperature indicator 5, flexible thermal galvanic couple input wires case 6, decentralized Distributed Control System (DCS) DCS output connection case 7, safety interlocking control system SIS output connection case 8, multi-point temp converter 9 and stainless steel prying body member 10; Upper bed layer temperature transmitter 1, middle bed temperature transmitter 2, lower bed layer temperature transmitter 3 are respectively applied for the temperature of measuring reactor upper bed layer, middle bed, lower bed layer, five every group; By with being connected of upper, middle and lower bed flexible thermal galvanic couple, be that DC4-20mA exports safety interlocking control system SIS and decentralized Distributed Control System (DCS) DCS to the mv conversion of signals of thermopair; Outlet temperature transmitter 4 is used to measure the temperature on the reactor outlet pipeline, and each temperature transmitter is formed the converting unit of single interior bed of cover coal tar hydrogenating reactor and outlet temperature, is used for the conversion of temperature signal and the scene indication of temperature; Each junction box, built-in import transition terminal, wherein flexible thermal galvanic couple input wires case 6 is three beds in upper, middle and lower and the flexible thermal galvanic couple a of reactor bottom outlet and the transition connecting box of temperature transmitter; Decentralized Distributed Control System (DCS) DCS output connection case 7 is transition connecting boxs of temperature transmitter and decentralized Distributed Control System (DCS) DCS; Safety interlocking control system SIS output connection case 8 is transition connecting boxs of temperature transmitter and safety interlocking control system SIS; Multi-point temp converter 9 is connected with reactor surface thermopair d, and all surfaces temperature signal on the separate unit reactor is connected to temperature divertor 9 and is converted to the MODBUS communication signal and advances decentralized Distributed Control System (DCS) DCS; Stainless steel prying body member 10 is stainless framed structures, is used for each parts portion integrated within it.
Principle of work of the present utility model: the temperature of the bed on the separate unit coal tar hydrogenating reactor, outlet and reactor outside surface is all sent in the system for detecting temperature of the prying body structure that is installed in platform or ground location.Upper, middle and lower bed and reactor bottom exit thermocouple are measured temperature and are sent DCS or SIS system by the DC4-20mA signal that temperature transmitter is converted to standard; The reactor hull-skin temperature is converted to the MODBUS communication signal by the multi-point temp converter and directly is sent to DCS and detects and report to the police.
Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (4)
1. sled shelf structure integrated temperature measuring system is characterized in that this temperature measurement system is made up of flexible thermal galvanic couple (a), reactor surface thermopair (d) and sled frame, wherein:
Flexible thermal galvanic couple (a) adopts single Zhi Duodian armoured thermocouple, by with sleeve pipe (c) flange connecting lid (b) on the mouth that is threaded, in the pressure-bearing protective casing (c) in the laterally inserted equipment, be used to measure the hydrogenation reactor internal temperature; Each bed is established a measuring unit, and every unit is made up of two thermopairs up and down, and the top is a bikini flexible thermal galvanic couple, and the below is a two-point flexible thermal galvanic couple; The thermocouple signal of measuring connects the temperature transmitter in the sled frame;
Reactor surface thermopair (d) is the flexible armoured thermocouple of a kind of flexible multi-point, is used to measure the temperature of reactor outside surface partial points, and its crooked armouring sleeve pipe (f) extends to measurement point from taking over (e) along the reactor outside surface;
The sled frame is the integrated component of a Stainless Steel shell mechanism, and the built-in temperature signal compiles assembly, and it is made up of sled frame body, temperature transmitter, on-the-spot indicator and back panel wiring case and annex.
2. sled shelf structure integrated temperature measuring system according to claim 1, it is uniform to it is characterized in that described flexible thermal galvanic couple (a) carries out point for measuring temperature on the sustained height bed in reactor, be made as 5 points by the device diameters size, the centre a bit, equidistant on every side uniform 4 points; Flexible thermal galvanic couple (a) is divided into different level by two-layer setting up and down at each bed, measures differing heights but the bed temperature in same circumference orientation; Flexible Thermocouple Temperature Signal is advanced Distributed Control System (DCS) DCS, adopts the high value of bed flexible thermal galvanic couple (a) average temperature value or choosing to control in the DCS system.
3. sled shelf structure integrated temperature measuring system according to claim 1, it is characterized in that described reactor surface thermopair (d) is provided with a flanged (FLGD) thermocouple and connects adapter (e) in the same orientation of reactor outside surface upper, middle and lower-ranking, take over that (e) symmetry is uniform opens rectangular dead slot, surface thermocouple (d) stretches out from dead slot, extend to measurement point along the reactor outside surface, the flexible armoring sleeve pipe (f) that extends is fixed with device outer surface by connecting folder (g), is used to measure the temperature of coal tar hydrogenating reactor outside surface.
4. sled shelf structure integrated temperature measuring system according to claim 1 is characterized in that described sled frame is made up of upper bed layer temperature transmitter (1), middle bed temperature transmitter (2), lower bed layer temperature transmitter (3), outlet temperature transmitter (4), scene temperature indicator (5), flexible thermal galvanic couple input wires case (6), decentralized Distributed Control System (DCS) DCS output connection case (7), safety interlocking control system SIS output connection case (8), multi-point temp converter (9) and stainless steel prying body member (10); Upper bed layer temperature transmitter (1), middle bed temperature transmitter (2), lower bed layer temperature transmitter (3) are respectively applied for the temperature of measuring reactor upper bed layer, middle bed, lower bed layer, five every group; By with being connected of upper, middle and lower bed flexible thermal galvanic couple, be that DC4-20mA exports safety interlocking control system SIS and decentralized Distributed Control System (DCS) DCS to the mv conversion of signals of thermopair; Outlet temperature transmitter (4) is used to measure the temperature on the reactor outlet pipeline, and each temperature transmitter is formed the converting unit of single interior bed of cover coal tar hydrogenating reactor and outlet temperature, is used for the conversion of temperature signal and the scene indication of temperature; Each junction box, built-in import transition terminal, wherein flexible thermal galvanic couple input wires case (6) is the flexible thermal galvanic couple (a) of three beds in upper, middle and lower and reactor bottom outlet and the transition connecting box of temperature transmitter; Decentralized Distributed Control System (DCS) DCS output connection case (7) is the transition connecting box of temperature transmitter and decentralized Distributed Control System (DCS) DCS; Safety interlocking control system SIS output connection case (8) is the transition connecting box of temperature transmitter and safety interlocking control system SIS; Multi-point temp converter (9) is connected with reactor surface thermopair (d), and all surfaces temperature signal on the separate unit reactor is connected to temperature divertor (9) and is converted to the MODBUS communication signal and advances decentralized Distributed Control System (DCS) DCS; Stainless steel prying body member (10) is a stainless framed structure, is used for each parts portion integrated within it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203185663U CN201561814U (en) | 2009-12-25 | 2009-12-25 | Temperature measurement system with integrated skid frame structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203185663U CN201561814U (en) | 2009-12-25 | 2009-12-25 | Temperature measurement system with integrated skid frame structure |
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| CN201561814U true CN201561814U (en) | 2010-08-25 |
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| CN2009203185663U Expired - Fee Related CN201561814U (en) | 2009-12-25 | 2009-12-25 | Temperature measurement system with integrated skid frame structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042881A (en) * | 2010-11-05 | 2011-05-04 | 西北化工研究院 | System for measuring outer surface temperature of metal shell of air-flow bed reactor |
| CN102331311A (en) * | 2011-06-13 | 2012-01-25 | 杭州亿泰自控设备有限公司 | Flexibly armoured multi-point thermocouple with high voltage and manufacturing method thereof |
| WO2020007162A1 (en) * | 2018-07-04 | 2020-01-09 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
| CN112629691A (en) * | 2020-12-07 | 2021-04-09 | 中化二建集团有限公司 | Method for installing multipoint flexible thermocouple in large-scale reactor |
-
2009
- 2009-12-25 CN CN2009203185663U patent/CN201561814U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042881A (en) * | 2010-11-05 | 2011-05-04 | 西北化工研究院 | System for measuring outer surface temperature of metal shell of air-flow bed reactor |
| CN102331311A (en) * | 2011-06-13 | 2012-01-25 | 杭州亿泰自控设备有限公司 | Flexibly armoured multi-point thermocouple with high voltage and manufacturing method thereof |
| CN102331311B (en) * | 2011-06-13 | 2013-05-15 | 杭州亿泰自控设备有限公司 | Flexibly armoured multi-point thermocouple with high voltage and manufacturing method thereof |
| WO2020007162A1 (en) * | 2018-07-04 | 2020-01-09 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
| US12072247B2 (en) | 2018-07-04 | 2024-08-27 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
| CN112629691A (en) * | 2020-12-07 | 2021-04-09 | 中化二建集团有限公司 | Method for installing multipoint flexible thermocouple in large-scale reactor |
| CN112629691B (en) * | 2020-12-07 | 2023-03-21 | 中化二建集团有限公司 | Method for installing multipoint flexible thermocouple in large-scale reactor |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20171225 |