CN105136323A - Integrally-brick-plugged thermocouple provided with cooling water loop - Google Patents

Integrally-brick-plugged thermocouple provided with cooling water loop Download PDF

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Publication number
CN105136323A
CN105136323A CN201510574751.9A CN201510574751A CN105136323A CN 105136323 A CN105136323 A CN 105136323A CN 201510574751 A CN201510574751 A CN 201510574751A CN 105136323 A CN105136323 A CN 105136323A
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CN
China
Prior art keywords
tube
thermocouple
thermopair
metal
brick
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Granted
Application number
CN201510574751.9A
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Chinese (zh)
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CN105136323B (en
Inventor
李明科
李振元
王卫臣
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Tian Li Industrial Furnace Co Ltd Of Henan Province
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Tian Li Industrial Furnace Co Ltd Of Henan Province
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Priority to CN201510574751.9A priority Critical patent/CN105136323B/en
Publication of CN105136323A publication Critical patent/CN105136323A/en
Application granted granted Critical
Publication of CN105136323B publication Critical patent/CN105136323B/en
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Abstract

The invention discloses an integrally-brick-plugged thermocouple provided with a cooling water loop and belongs to the technical field of thermocouples used for an induction heating furnace. According to the technical scheme, the integrally-brick-plugged thermocouple provided with the cooling water loop comprises a thermocouple assembly and an equipment installation assembly, wherein a wiring box of the thermocouple assembly is connected with a thermocouple, the outer side of the thermocouple is provided with a non-metal protection tube which is sealed on the tail end, and a metal tube sleeves the side, close to the wiring box, of the non-metal protection tube; the non-metal protection tube of the thermocouple assembly is inserted into a metal protection tube arranged in a couple-used special-shaped brick and is fixedly connected with a connection steel plate arranged on a connection cylinder body through an end cover flange arranged at the outer side of the metal tube. Under a particularly bad condition, even if a protection sleeve of the thermocouple cracks or breaks in the production process, a tested medium is not leaked outwards, the dual effects of shake resistance and leakage prevention are realized, and the safety performance is improved.

Description

A kind of entirety plug brick thermopair being provided with chilled(cooling) water return (CWR)
Technical field
The invention belongs to induction heater Thermocouples Technology field, be specifically related to a kind of entirety plug brick thermopair being provided with chilled(cooling) water return (CWR).
Background technology
In metal smelt process; noble-metal thermocouple is the important measuring equipment of induction heater; current induction heater is in operational process; need to tumble heating furnace body frequently to complete heating, insulation and discharge process; because thermopair is arranged at the top of heating furnace body; frequently tumble in the process of heating furnace body; thermocouple protective casing by the impact of working environment easily at short notice by heavy corrosion, worn out and produce cracking and fracture; greatly reduce the serviceable life of thermopair, improve production cost.
Summary of the invention
The technical matters that the present invention solves there is provided a kind of thermometric accurately and serviceable life the relatively long entirety plug brick thermopair being provided with chilled(cooling) water return (CWR).
The present invention adopts following technical scheme for solving the problems of the technologies described above, a kind of entirety plug brick thermopair being provided with chilled(cooling) water return (CWR), it is characterized in that comprising thermocouple assembly and equipment installation component, terminal box wherein in thermocouple assembly is connected with thermopair, the outside of thermopair is provided with the nonmetal protection tube of end seal, the nonmetal protection tube of contiguous terminal box side is arranged with metal tube, the head end of this metal tube is tightly connected by sealant and terminal box and nonmetal protection tube, the middle part of metal tube is provided with asbestos washer as the thermofin between nonmetal protection tube and metal tube, the end of metal tube is tightly connected by sealant and nonmetal protection tube, end cap flange is provided with in the outside of metal tube, equipment mounting flange in equipment installation component is fixed on the metal shell of induction heater, the inside of equipment mounting flange is provided with the galvanic couple special form brick being cast for one with castable refractory, the inner side of galvanic couple special form brick is provided with the first conical through-hole, graphite sleeve is fixed with by fire clay in the inside of the first conical through-hole, the inner side of graphite sleeve is provided with the second conical through-hole, the protection metal pipe of end seal is fixed with by fire clay in the inside of the second conical through-hole, equipment mounting flange has been bolted joint flange, the first graphite gasket is provided with between this joint flange and equipment mounting flange, the inner side of joint flange is stretched out by connector drum and is provided with junction steel plate, nonmetal protection tube in thermocouple assembly insert be arranged at galvanic couple special form brick inside protection metal pipe in and be fixedly connected with the junction steel plate be arranged in connector drum by the end cap flange be arranged at outside metal tube, the second graphite gasket is provided with between end cap flange and junction steel plate, the inside of connector drum is filled with silica sand, the chilled(cooling) water return (CWR) around connector drum is provided with outside joint flange, this chilled(cooling) water return (CWR) is welded by rectangular steel pipe, the two ends of rectangular steel pipe are connected with CWR with cooling water inlet pipe respectively.
Further restriction, described thermopair is platinum rhodium thermocouple.
Further restriction, described nonmetal protection tube is alundum tube.
Further restriction, described protection metal pipe is iron porcelain compo pipe.
Further restriction, described metal tube is steel pipe.
The present invention has good thermal shock resistance; do not ftracture when furnace temperature surging, do not rupture; enough strong physical strength is had under high temperature, high pressure; therefore substantially prolongs the serviceable life of thermocouple protective casing and thermopair; serviceable life is longer, thus reduces replacement frequency, reduces user's production cost; joint flange is provided with chilled(cooling) water return (CWR), avoids the damage of heat to thermopair of radiation.In addition, thermopair of the present invention, both flexible adjustable; there is again good leak stopping function, when operating mode is severe especially, even if cracking or fracture occur production period thermocouple protective casing; measured medium also can not leak outside, and reaches not only antidetonation but also the double effects of leak stopping, improves security performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of end cap flange in the present invention.
Drawing illustrates: 1, terminal box, 2, thermopair, 3, nonmetal protection tube, 4, metal tube; 5, asbestos washer, 6, end cap flange, 7, equipment mounting flange, 8, metal shell; 9, castable refractory, 10, galvanic couple special form brick, 11, graphite sleeve; 12, protection metal pipe, 13, joint flange, the 14, first graphite gasket; 15, connector drum, 16, junction steel plate, the 17, second graphite gasket; 18, chilled(cooling) water return (CWR), 19, cooling water inlet pipe, 20, silica sand.
Embodiment
Describe particular content of the present invention by reference to the accompanying drawings in detail.As shown in Figure 1-2, a kind of entirety plug brick thermopair being provided with chilled(cooling) water return (CWR), comprise thermocouple assembly and equipment installation component, terminal box 1 wherein in thermocouple assembly is connected with thermopair 2, the outside of thermopair 2 is provided with the nonmetal protection tube 3 of end seal, the nonmetal protection tube 3 of contiguous terminal box 1 side is arranged with metal tube 4, the head end of this metal tube 4 is tightly connected by sealant and terminal box 1 and nonmetal protection tube 3, the middle part of metal tube 4 is provided with asbestos washer 5 as the thermofin between nonmetal protection tube 3 and metal tube 4, the end of metal tube 4 is tightly connected by sealant and nonmetal protection tube 3, end cap flange 6 is provided with in the outside of metal tube 4, equipment mounting flange 7 in equipment installation component is fixed on the metal shell 8 of induction heater, the inside of equipment mounting flange 7 is provided with the galvanic couple special form brick 10 being cast for one with castable refractory 9, the inner side of galvanic couple special form brick 10 is provided with the first conical through-hole, graphite sleeve 11 is fixed with by fire clay in the inside of the first conical through-hole, the inner side of graphite sleeve 11 is provided with the second conical through-hole, be fixed with the protection metal pipe 12 of end seal by fire clay in the inside of the second conical through-hole, equipment mounting flange 7 is bolted joint flange 13, the first graphite gasket 14 is provided with between joint flange 13 and equipment mounting flange 7, the inner side of joint flange 13 is stretched out by connector drum 15 and is provided with junction steel plate 16, nonmetal protection tube 3 in thermocouple assembly insert be arranged at galvanic couple special form brick 10 inside protection metal pipe 12 in and be fixedly connected with the junction steel plate 16 be arranged in connector drum 15 by the end cap flange 6 be arranged at outside metal tube 4, the second graphite gasket 17 is provided with between end cap flange 6 and junction steel plate 16, the inside of connector drum 15 is filled with silica sand 20, the chilled(cooling) water return (CWR) 18 around connector drum 15 is provided with outside joint flange 13, this chilled(cooling) water return (CWR) 18 is welded by rectangular steel pipe, the two ends of rectangular steel pipe are connected with CWR with cooling water inlet pipe 19 respectively.
More than show and describe ultimate principle of the present invention, principal character and advantage, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present invention.

Claims (5)

1. one kind is provided with the entirety plug brick thermopair of chilled(cooling) water return (CWR), it is characterized in that comprising thermocouple assembly and equipment installation component, terminal box wherein in thermocouple assembly is connected with thermopair, the outside of thermopair is provided with the nonmetal protection tube of end seal, the nonmetal protection tube of contiguous terminal box side is arranged with metal tube, the head end of this metal tube is tightly connected by sealant and terminal box and nonmetal protection tube, the middle part of metal tube is provided with asbestos washer as the thermofin between nonmetal protection tube and metal tube, the end of metal tube is tightly connected by sealant and nonmetal protection tube, end cap flange is provided with in the outside of metal tube, equipment mounting flange in equipment installation component is fixed on the metal shell of induction heater, the inside of equipment mounting flange is provided with the galvanic couple special form brick being cast for one with castable refractory, the inner side of galvanic couple special form brick is provided with the first conical through-hole, graphite sleeve is fixed with by fire clay in the inside of the first conical through-hole, the inner side of graphite sleeve is provided with the second conical through-hole, the protection metal pipe of end seal is fixed with by fire clay in the inside of the second conical through-hole, equipment mounting flange has been bolted joint flange, the first graphite gasket is provided with between this joint flange and equipment mounting flange, the inner side of joint flange is stretched out by connector drum and is provided with junction steel plate, nonmetal protection tube in thermocouple assembly insert be arranged at galvanic couple special form brick inside protection metal pipe in and be fixedly connected with the junction steel plate be arranged in connector drum by the end cap flange be arranged at outside metal tube, the second graphite gasket is provided with between end cap flange and junction steel plate, the inside of connector drum is filled with silica sand, the chilled(cooling) water return (CWR) around connector drum is provided with outside joint flange, this chilled(cooling) water return (CWR) is welded by rectangular steel pipe, the two ends of rectangular steel pipe are connected with CWR with cooling water inlet pipe respectively.
2. the entirety plug brick thermopair being provided with chilled(cooling) water return (CWR) according to claim 1, is characterized in that: described thermopair is platinum rhodium thermocouple.
3. the entirety plug brick thermopair being provided with chilled(cooling) water return (CWR) according to claim 1, is characterized in that: described nonmetal protection tube is alundum tube.
4. the entirety plug brick thermopair being provided with chilled(cooling) water return (CWR) according to claim 1, is characterized in that: described protection metal pipe is iron porcelain compo pipe.
5. the entirety plug brick thermopair being provided with chilled(cooling) water return (CWR) according to claim 1, is characterized in that: described metal tube is steel pipe.
CN201510574751.9A 2015-09-11 2015-09-11 A kind of overall plug brick thermocouple provided with chilled(cooling) water return (CWR) Active CN105136323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510574751.9A CN105136323B (en) 2015-09-11 2015-09-11 A kind of overall plug brick thermocouple provided with chilled(cooling) water return (CWR)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510574751.9A CN105136323B (en) 2015-09-11 2015-09-11 A kind of overall plug brick thermocouple provided with chilled(cooling) water return (CWR)

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CN105136323A true CN105136323A (en) 2015-12-09
CN105136323B CN105136323B (en) 2017-12-22

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10160586A (en) * 1996-12-02 1998-06-19 Daido Steel Co Ltd Protective tube for thermocouple, and temperature measuring method using it
CN1650153A (en) * 2002-03-18 2005-08-03 Ge能源美国公司 Protective cap for a thermocouple in a gasifier
CN1757757A (en) * 2005-08-12 2006-04-12 崔建立 Temperature measuring device of blast furnace crucible and its manufacturing method
CN201716116U (en) * 2010-06-25 2011-01-19 贵阳铝镁设计研究院 Protector for lime furnace thermometric element
CN202255653U (en) * 2011-09-19 2012-05-30 山东省冶金设计院股份有限公司 Integrated temperature detection device
CN203336841U (en) * 2013-05-31 2013-12-11 中国一冶集团有限公司 Furnace top thermocouple installing device for hot air furnace
CN104568196A (en) * 2015-01-04 2015-04-29 安徽蓝德仪表有限公司 Platinum rhodium thermal coupler
CN204924478U (en) * 2015-09-11 2015-12-30 河南省天利工业炉有限公司 Wholly fill in brick formula thermocouple with water cooling circuit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10160586A (en) * 1996-12-02 1998-06-19 Daido Steel Co Ltd Protective tube for thermocouple, and temperature measuring method using it
CN1650153A (en) * 2002-03-18 2005-08-03 Ge能源美国公司 Protective cap for a thermocouple in a gasifier
CN1757757A (en) * 2005-08-12 2006-04-12 崔建立 Temperature measuring device of blast furnace crucible and its manufacturing method
CN201716116U (en) * 2010-06-25 2011-01-19 贵阳铝镁设计研究院 Protector for lime furnace thermometric element
CN202255653U (en) * 2011-09-19 2012-05-30 山东省冶金设计院股份有限公司 Integrated temperature detection device
CN203336841U (en) * 2013-05-31 2013-12-11 中国一冶集团有限公司 Furnace top thermocouple installing device for hot air furnace
CN104568196A (en) * 2015-01-04 2015-04-29 安徽蓝德仪表有限公司 Platinum rhodium thermal coupler
CN204924478U (en) * 2015-09-11 2015-12-30 河南省天利工业炉有限公司 Wholly fill in brick formula thermocouple with water cooling circuit

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