CN110191520A - Power station thermal sleeve thrust collar heating device and installation method - Google Patents
Power station thermal sleeve thrust collar heating device and installation method Download PDFInfo
- Publication number
- CN110191520A CN110191520A CN201910407752.2A CN201910407752A CN110191520A CN 110191520 A CN110191520 A CN 110191520A CN 201910407752 A CN201910407752 A CN 201910407752A CN 110191520 A CN110191520 A CN 110191520A
- Authority
- CN
- China
- Prior art keywords
- heating
- thrust collar
- heating sheet
- wall
- thermal sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000005439 thermosphere Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Abstract
Power station thermal sleeve thrust collar heating device and installation method, including multiple heating sheets, the inner wall of heating sheet are globoidal structure, and multiple heating sheet head and the tail have been spliced to form heating ring, and the diameter of heating ring passway becomes narrow gradually along central axes direction；Each heating sheet is embedded with heat generating component, and each heating sheet outer wall is equipped with electric power incoming line box, and heat generating component is electrically connected with the connecting terminal in electric power incoming line box.The present apparatus substitutes current heater plate mode, to ensure that thrust collar is heated evenly, securely and reliably, ensures operating personnel's safety, improves overhaul efficiency.
Description
Technical field
The invention belongs to power station thrust collar heatings to dismount technical field, in particular to power station thermal sleeve thrust collar heating
Device and installation method.
Background technique
It is installed between Hydropower Plant thrust collar and main shaft using hot jacket, must heat expansion rear can be carried out disassembly and peace
Dress.Currently, it is uneven to there is heating in this method using the direct-fired mode of electric hot plate is laid on thrust collar when unit maintenance
Even, temperature is not easy to control, the thrust collar that is easy to burn in heating process, causes Facing material variation, causes the disadvantages of deformation, and electricity
The unshielded measure of heating plate, there are some potential safety problemss.
Therefore it needs to design a set of dedicated thrust collar heating device, ensures to make while thrust collar quickly heats to meet
The device of the personal safety of industry personnel be very it is necessary to.
Summary of the invention
In view of technical problem present in background technique, thermal sleeve thrust collar heating device in power station provided by the present invention
And installation method, current heater plate mode is substituted, to ensure that thrust collar is heated evenly, securely and reliably, ensures operation people
Member's safety, improves overhaul efficiency.
In order to solve the above-mentioned technical problem, this invention takes following technical solutions to realize:
Power station thermal sleeve thrust collar heating device, including multiple heating sheets, the inner wall of heating sheet are globoidal structure, multiple heating
Piece head and the tail have been spliced to form heating ring, and the diameter of heating ring passway becomes narrow gradually along central axes direction；Each heating sheet is embedded
There is heat generating component, each heating sheet outer wall is equipped with electric power incoming line box, and heat generating component is electrically connected with the connecting terminal in electric power incoming line box
It connects.
In preferred scheme, the heat generating component includes heating plate, is equipped with heating wire in heating plate, in each heating sheet
Wall is equipped with criss-cross heating plate placing groove, heating plate in the heating plate placing groove, heating plate placing groove inner wall be equipped with every
Thermosphere.
In preferred scheme, each heating sheet outer wall is equipped with incoming relay-protection cover, is equipped with power supply in incoming relay-protection cover
Line, power supply line one end are connect with the connecting terminal in electric power incoming line box, and the power supply line other end is connect with heat generating component.
In preferred scheme, each heating sheet is equipped with thermometer hole, and thermometer hole is through the inner wall of heating sheet and outer
Wall setting.
In preferred scheme, the thermometer hole is for being inserted into thermal resistance.
In preferred scheme, the upper surface of each heating sheet is equipped with lifting lug.
In preferred scheme, the lower end surface of each heating sheet is equipped with supporting leg.
In preferred scheme, each heating sheet outer wall is equipped with wire fixing support, and wire fixing support is located at electricity
Below the leading-in box of source.
It in preferred scheme, is bolted between the two neighboring heating sheet, bolt is installed on connecting plate, institute
The connecting plate stated is fixed on the both ends of heating sheet.
This patent can reach it is following the utility model has the advantages that
1, the heating method of traditional thrust collar is directly to be heated using heating plate to it, and heating is uneven, local temperature
It can be excessively high；And the heating ring that this patent provides, inner wall are embedded with heating component, are heated by heating ring to thrust collar, heat
Uniformly, thrust collar is effectively prevented because uneven heating causes deformation；
2, heating ring is spliced using multiple heating sheets, so that the installation and removal of the present apparatus are easier, improves operation
Safety；If lifting weight is big, and hoisting difficulty is big using integral hoisting；
3, it is equipped with thermal insulation layer in the present apparatus, reduces scattering and disappearing for heat, reduces the time of thrust collar heating, improve heat utilization
Rate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure figure of the present invention；
Fig. 2 is internal anatomy of the present invention, heats ring at this time and is mounted on thrust collar；
Fig. 3 is enlarged drawing at A in Fig. 2.
In figure: heating ring 1, heating wire placing groove 101, heat generating component 2, lifting lug 3, thermal resistance 4, thermometer hole 401, power supply into
Wire box 5, incoming relay-protection cover 6, supporting leg 7, wire fixing support 8, power supply line 9, connecting plate 10.
Specific embodiment
Preferred scheme is as shown in Figure 1 to Figure 3, power station thermal sleeve thrust collar heating device, including multiple heating sheets, adds
The inner wall of backing is globoidal structure, and multiple heating sheet head and the tail have been spliced to form heating ring 1, heats the diameter of 1 passway of ring in
Axis direction becomes narrow gradually；Each heating sheet is embedded with heat generating component 2, and each heating sheet outer wall is equipped with electric power incoming line box 5, fever
Component 2 is electrically connected with the connecting terminal in electric power incoming line box 5.
Further, heat generating component 2 includes heating plate, and heating wire is equipped in heating plate, and each heating sheet inner wall is equipped with vertical
Horizontal staggered heating plate placing groove 101, heating plate in heating plate placing groove 101,101 inner wall of heating plate placing groove be equipped with every
Thermosphere；
Using crawler type heating plate, crawler type heating plate uses and adds in heating plate placing groove 101 heating plate
Hot plate directly heats thrust collar, ensure that heating process is uniform；Thermal insulation layer outside heating plate uses alumina silicate fibre insulation board.
Further, each heating sheet outer wall is equipped with incoming relay-protection cover 6, is equipped with power supply line 9, power supply in incoming relay-protection cover 6
9 one end of line is connect with the connecting terminal in electric power incoming line box 5, and 9 other end of power supply line is connect with heat generating component 2；
Heating sheet exterior material is fixed using stainless steel plate, incoming relay-protection cover 6 and the outer wall of heating sheet using welding manner；
Outer wall in incoming relay-protection cover 6 and positioned at heating sheet is equipped with several threading holes, and power supply line 9 includes multi-cable, every cable
Interior includes strand wire, and per share electric wire is electrically connected with heating plate respectively, and the threading hole is for wearing the electricity connect in power supply line 9
Line.
Further, each heating sheet is equipped with thermometer hole 401, and thermometer hole 401 is set through the inner and outer wall of heating sheet
It sets.
Further, thermometer hole 401 is for being inserted into thermal resistance 4；Thermal resistance 4 using PT100 thermal resistance, thermal resistance 4 with
Temperature transmitter electrical connection, the resistance value signal of thermal resistance 4 are converted into analog current signal, and analog current signal is converted into temperature
Display.
Further, the upper surface of each heating sheet is equipped with lifting lug 3；Using being threadedly coupled between lifting lug 3 and heating sheet, often
Lifting lug 3 there are two being set on a heating sheet.
Further, the lower end surface of each heating sheet is equipped with supporting leg 7, and supporting leg 7 uses thermal coefficient low and the material of insulation,
Preferably bakelite.
Further, each heating sheet outer wall is equipped with wire fixing support 8, and wire fixing support 8 is located at electric power incoming line box 5
Lower section, wire fixing support 8 are epoxy fixture.
Further, it is bolted between two neighboring heating sheet, bolt is installed on connecting plate 10, the connection
Plate 10 is fixed on the both ends of heating sheet；
The quantity of heating sheet described in the present apparatus preferentially uses three pieces, and three pieces heating sheet forms heating ring 1, and heating ring 1 is circular boop
Shape, for heating ring 1 there are two round mouth, one of round mouth diameter is greater than another round mouth diameter, and the inner wall of heating ring 1 is in gradual change
Narrow structure, the structure are designed according to the structure of thrust collar, and the gradient of thrust collar has the heating ring much, the present apparatus provides
Draft will be much in 1；
The size of heating ring 1 can finely tune, regulative mode are as follows: in two neighboring heating sheet junction, be padded by increasing
Piece heats the opening size of ring 1 to increase.
The installation method of power station thermal sleeve thrust collar heating device is as follows:
Heating sheet is lifted by crane one by one, is close to thrust collar side wall, supporting leg 7 should avoid thrust collar bottom bolts hole, prevent supporting leg 7 sliding
Enter rear centre-of gravity shift；
After the completion of three heating sheets lift, gap is adjusted by gasket, is fixed two neighboring heating sheet with bolt, three add
Backing is fixed to form heating ring 1；
5 bottom of electric power incoming line box is equipped with electric power incoming line socket, and external power supply is inserted into inserting for 5 bottom of electric power incoming line box by plug
In seat, then with wire fixing support 8 cable of external power supply is fixed；
The external power supply other end is connect with temperature of silicon controlled rectifier control cabinet；
The insulation situation that route is checked using megger connects electricity after insulation resistance is qualified and checks that electrical power contacts are well errorless
Source first adjusts output voltage to rated value half, adjusts the temperature controller in temperature of silicon controlled rectifier control cabinet and set heating temperature, instruction
Lamp is bright, begins to warm up；
Voltage is suitably turned up after heat balance, when heating temperature reaches set definite value, temperature controller auto power off, heater
Power-off, heating lamp extinguish, and electric heating unit stops heating.
Claims (10)
1. a kind of power station thermal sleeve thrust collar heating device, it is characterised in that: including multiple heating sheets, the inner wall of heating sheet is
Globoidal structure, multiple heating sheet head and the tail have been spliced to form heating ring (1), heat the diameter of ring (1) passway along central axes direction
It becomes narrow gradually；Each heating sheet is embedded with heat generating component (2), and each heating sheet outer wall is equipped with electric power incoming line box (5), heat generating component
(2) it is electrically connected with the connecting terminal in electric power incoming line box (5).
2. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: heat generating component (2) packet
Heating plate is included, heating wire is equipped in heating plate, each heating sheet inner wall is equipped with criss-cross heating plate placing groove (101), adds
For hot plate in heating plate placing groove (101), heating plate placing groove (101) inner wall is equipped with thermal insulation layer.
3. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: each heating sheet outer wall
Equipped with incoming relay-protection cover (6), power supply line (9) are equipped in incoming relay-protection cover (6), in power supply line (9) one end and electric power incoming line box (5)
Connecting terminal connection, power supply line (9) other end connect with heat generating component (2).
4. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: set on each heating sheet
Have thermometer hole (401), thermometer hole (401) is arranged through the inner and outer wall of heating sheet.
5. thermal sleeve thrust collar heating device in power station according to claim 4, it is characterised in that: thermometer hole (401) is used
In insertion thermal resistance (4).
6. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: each heating sheet it is upper
End face is equipped with lifting lug (3).
7. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: under each heating sheet
End face is equipped with supporting leg (7).
8. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: each heating sheet outer wall
Equipped with wire fixing support (8), wire fixing support (8) is located at below electric power incoming line box (5).
9. thermal sleeve thrust collar heating device in power station according to claim 1, it is characterised in that: two neighboring heating sheet
Between be bolted, bolt install connecting plate (10) on, the connecting plate (10) is fixed on the both ends of heating sheet.
10. according to claim 1 to the installation method of thermal sleeve thrust collar heating device in power station described in 9 any one, packet
Include following steps:
1) lifting lug (3), is tangled using the suspension hook of hoisting machinery to lift by crane heating sheet one by one, is close to thrust collar side wall, supporting leg (7)
It should avoid thrust collar bottom bolts hole；
2), after the completion of three heating sheets lift, gap is adjusted by gasket, is fixed two neighboring heating sheet with bolt, three
A heating sheet is fixed to form heating ring (1)；
3) external power supply is connect with electric power incoming line box (5), then is fixed the cable of external power supply with wire fixing support (8)；
4), the external power supply other end with temperature of silicon controlled rectifier control cabinet for connecting；
5) the insulation situation that route, is checked using megger is connected after insulation resistance is qualified and checks that electrical power contacts are well errorless
Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407752.2A CN110191520A (en) | 2019-05-15 | 2019-05-15 | Power station thermal sleeve thrust collar heating device and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407752.2A CN110191520A (en) | 2019-05-15 | 2019-05-15 | Power station thermal sleeve thrust collar heating device and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110191520A true CN110191520A (en) | 2019-08-30 |
Family
ID=67716570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910407752.2A Pending CN110191520A (en) | 2019-05-15 | 2019-05-15 | Power station thermal sleeve thrust collar heating device and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110191520A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867155A (en) * | 2020-05-29 | 2020-10-30 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Replaceable emergency heating device for tank-type circuit breaker |
| CN112065867A (en) * | 2020-09-15 | 2020-12-11 | 温州职业技术学院 | Automatic assembling device for inner ring and outer ring of high-speed bearing |
| CN114905226A (en) * | 2022-05-09 | 2022-08-16 | 中建五洲工程装备有限公司 | Rolling ring hot jacket tool for rotary equipment |
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| KR20100108679A (en) * | 2009-03-30 | 2010-10-08 | 엘에스전선 주식회사 | Pipe heation apparatus |
| CN203426662U (en) * | 2013-08-13 | 2014-02-12 | 中国长江电力股份有限公司 | Gap type heating device for upper guide bearing collar of large hydroelectric generating set |
| CN106028488A (en) * | 2016-07-19 | 2016-10-12 | 盐城市新星科技有限公司 | Novel annular heater |
| CN106455172A (en) * | 2016-09-12 | 2017-02-22 | 国网浙江省电力公司紧水滩水力发电厂 | Automatic heating device of generator thrust block |
| CN208691592U (en) * | 2018-08-13 | 2019-04-02 | 盐城市鼎创电热机械有限公司 | A kind of heating coil with heat insulating function |
| CN210042257U (en) * | 2019-05-15 | 2020-02-07 | 中国长江电力股份有限公司 | Hot-jacket type thrust collar heating device for hydropower station |
-
2019
- 2019-05-15 CN CN201910407752.2A patent/CN110191520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100108679A (en) * | 2009-03-30 | 2010-10-08 | 엘에스전선 주식회사 | Pipe heation apparatus |
| CN203426662U (en) * | 2013-08-13 | 2014-02-12 | 中国长江电力股份有限公司 | Gap type heating device for upper guide bearing collar of large hydroelectric generating set |
| CN106028488A (en) * | 2016-07-19 | 2016-10-12 | 盐城市新星科技有限公司 | Novel annular heater |
| CN106455172A (en) * | 2016-09-12 | 2017-02-22 | 国网浙江省电力公司紧水滩水力发电厂 | Automatic heating device of generator thrust block |
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| CN210042257U (en) * | 2019-05-15 | 2020-02-07 | 中国长江电力股份有限公司 | Hot-jacket type thrust collar heating device for hydropower station |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867155A (en) * | 2020-05-29 | 2020-10-30 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Replaceable emergency heating device for tank-type circuit breaker |
| CN112065867A (en) * | 2020-09-15 | 2020-12-11 | 温州职业技术学院 | Automatic assembling device for inner ring and outer ring of high-speed bearing |
| CN114905226A (en) * | 2022-05-09 | 2022-08-16 | 中建五洲工程装备有限公司 | Rolling ring hot jacket tool for rotary equipment |
| CN114905226B (en) * | 2022-05-09 | 2023-05-05 | 中建五洲工程装备有限公司 | Rolling ring hot sleeve tool for rotary equipment |
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