CN104019454A - Online continuous target test device of blowing pipe of steel furnace - Google Patents
Online continuous target test device of blowing pipe of steel furnace Download PDFInfo
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- CN104019454A CN104019454A CN201410280504.3A CN201410280504A CN104019454A CN 104019454 A CN104019454 A CN 104019454A CN 201410280504 A CN201410280504 A CN 201410280504A CN 104019454 A CN104019454 A CN 104019454A
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- target plate
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Abstract
The invention discloses an online continuous target test device of a blowing pipe of a steel furnace. The target testing device comprises a target plate device shell, wherein a vertical support frame is arranged above the target plate device shell; a pneumatic actuation mechanism is arranged on the top of the support frame and a target plate shaft in a driving connection at the lower part of the pneumatic actuation mechanism and is capable of moving upwards and downwards; a target plate is arranged at the lower part of the target plate shaft and penetrates into and out of the target plate device shell when the target plate shaft moves upwards and downwards; and sealing seats penetrating through the target plate shaft or the target plate are arranged on both the upper and lower surfaces of the target plate device shell. The online continuous target test device has the beneficial effect that the target plate can enter and exit the target plate device during high-temperature and high-pressure steam blowing, so as to realize online continuous target test; an improved shaft stringing target plate device is adopted, so that the leakage of the high-temperature and high-pressure steam can be reduced and the target plate can be safely replaced during blowing; and the pneumatic advancing mechanism is adopted for operation, so that no staff needs to operate the target plate device at a close distance, the contact between the staff and the high-temperature and high-pressure steam is avoided and the safety is improved.
Description
Technical field
The present invention relates to a kind of boiler blow piping on-line continuous examination target assembly.
Background technology
Along with the increase of unit capacity and the raising of parameter, direct current cooker increases gradually.At present domestic high parameter, large capacity fired power generating unit all adopt overcritical or ultra supercritical direct current cooker.Direct current cooker is subject to the restriction of Self-heat-storage ability to be difficult to adopt step-down blowpipe, and boiler blow piping is all selected the scheme of voltage stabilizing blowpipe.Voltage stabilizing blowpipe purges that number of times is few but to purge the duration long at every turn, and general each blowpipe time from 30 minutes to several hours not etc., therefore cannot be changed target plate examination target purging the intermittent phase, need to the duration of blowpipe, change online, continuously target plate and try target.Traditional blowpipe target plate device only can be changed target plate at blowpipe tempus intercalare, could try target check blowpipe effect during blowpipe next time, cannot accomplish that blowpipe carries out the online examination target in process and changes target plate.This just requires to design a kind of more safe and reliable target plate device, to meet the requirement of voltage stabilizing blowpipe, improves the security of changing target plate simultaneously.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of safe, easy to operate boiler blow piping on-line continuous examination target assembly.
The present invention is achieved by the following measures:
A kind of boiler blow piping on-line continuous examination target assembly of the present invention, comprise target plate device shell, described target plate device shell top is provided with vertical bracing frame, bracing frame top is provided with pneumatic actuator, pneumatic actuator below drives and is connected with target plate axle moving up and down, described target plate axle bottom for to penetrate and to pass the target plate in target plate device shell when target plate axle moves up and down, and described target plate device shell upper and lower surface is provided with the seal receptacle that runs through target plate axle or target plate.
Above-mentioned seal receptacle comprises the base being fixed on target plate device shell, in described base, is provided with groove, and base end is provided with the gland of shutoff groove, and target plate axle or target plate run through base and gland, and in groove, is filled with airtight and watertight padding.
Above-mentioned pneumatic actuator bottom is connected with commutation connector, and described commutation connector comprises the connecting plate on top and the gate of bottom, and connecting plate is connected with pneumatic actuator, and target plate axle top is connected by horizontal bearing pin with gate.
Inner side, above-mentioned bracing frame top and bottom is respectively arranged with upper stroke switch and lower stroke switch, commutation connector one epitaxial lateral overgrowth touches the limited block of upper stroke switch and lower stroke switch, the switch gearing of described upper stroke switch and lower stroke switch and pneumatic actuator thereon in stretching and having to descend to move.
The invention has the beneficial effects as follows: the present invention can pass in and out target plate device by target plate in high temperature and high pressure steam purge, realize on-line continuous examination target.Adopted the improved axle target plate device of altering to reduce high temperature and high pressure steam leakage, replacing target plate that can be safe in purge, has adopted pneumatic propulsive mechanism to handle, and without personnel, closely handles target plate device, avoid personnel to contact high temperature and high pressure steam, improved security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cut-away section structural representation under a kind of duty.
Fig. 3 is the cut-away section structural representation under another kind of duty.
Fig. 4 is the structural representation of commutation connector.
Wherein: 1 pneumatic actuator, 2 bracing frames, 3-1 target plate device shell, 3-2 target plate axle, 3-3 base, 3-4 airtight and watertight padding, 3-5 gland, 3-6 target plate, 4 commutation connectors, 4-1 connecting plate, 4-2 gate, 4-3 limited block, 5 upper stroke switch, 6 lower stroke switch.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done to further detailed description:
As shown in Figure 1, a kind of boiler blow piping on-line continuous examination target assembly of the present invention, comprise target plate device shell 3-1, target plate device shell 3-1 top is provided with vertical bracing frame 2, bracing frame 2 tops are provided with pneumatic actuator 1, and bracing frame 2 is fixedly supported on target plate device shell 3-1 top by pneumatic actuator 1.Pneumatic actuator 1 below drives and is connected with target plate axle 3-2, and pneumatic actuator 1, for take compressed air as power, drives target plate axle 3-2 to move up and down vertically.Target plate axle 3-2 bottom for penetrating and pass the target plate 3-6 in target plate device shell 3-1 when target plate axle 3-2 moves up and down.Pneumatic actuator 1 promotes target plate axle 3-2 turnover target plate device shell 3-1 safely and fast, carries out continuous online examination target.
Target plate axle 3-2 improves, and has reduced by a target plate 3-6 mounting groove, and target plate device shell 3-1 upper and lower surface is provided with the seal receptacle that runs through target plate axle 3-2 or target plate 3-6, is more conducive to sealing.Seal receptacle comprises the base 3-3 being fixed on target plate device shell 3-1, in base 3-3, be provided with groove, base 3-3 end is provided with the gland 3-5 of shutoff groove, and target plate axle 3-2 or target plate 3-6 run through base 3-3 and gland 3-5, and in groove, is filled with airtight and watertight padding 3-4.Target plate axle 3-2 can safety turnover target plate device shell 3-1.When target plate axle 3-2 is positioned at top dead centre, target plate 3-6 is positioned at target plate device shell 3-1 inside and can normally tries target, as shown in Figure 2.When target plate axle 3-2 is positioned at lower dead center, target plate 3-6 can carry out target plate 3-6 replacing operation in target plate device shell 3-1 outside, as shown in Figure 3.Target plate axle 3-2 target plate axle 3-2 when upper and lower stop is sealed by seal receptacle with target plate 3-6 device, does not have high temperature and high pressure steam and leaks, can be safe carry out various operations.
As shown in Figure 4, pneumatic actuator 1 bottom is connected with commutation connector 4, commutation connector 4 comprises the connecting plate 4-1 on top and the gate 4-2 of bottom, and connecting plate 4-1 is connected with pneumatic actuator 1, and target plate axle 3-2 top is connected by horizontal bearing pin with gate 4-2.Can compensate the axle center deviation of target plate axle 3-2 and pneumatic actuator 1, prevent from, in target plate axle 3-2 progradation, bite occurs.Bracing frame 2 inner sides, top and bottom are respectively arranged with upper stroke switch 5 and lower stroke switch 6, commutation connector 4 one epitaxial lateral overgrowths touch the limited block 4-3 of upper stroke switch 5 and lower stroke switch 6 thereon in stretching and having to descend to move, the switch gearing of upper stroke switch 5 and lower stroke switch 6 and pneumatic actuator 1, stops advancing automatically.
The above is only the preferred embodiment of this patent; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the art of this patent principle; can also make some improvement and replacement, these improvement and replacement also should be considered as the protection domain of this patent.
Claims (4)
1. a boiler blow piping on-line continuous is tried target assembly, it is characterized in that: comprise target plate device shell, described target plate device shell top is provided with vertical bracing frame, bracing frame top is provided with pneumatic actuator, pneumatic actuator below drives and is connected with target plate axle moving up and down, described target plate axle bottom for to penetrate and to pass the target plate in target plate device shell when target plate axle moves up and down, and described target plate device shell upper and lower surface is provided with the seal receptacle that runs through target plate axle or target plate.
2. boiler blow piping on-line continuous is tried target assembly according to claim 1, it is characterized in that: described seal receptacle comprises the base being fixed on target plate device shell, in described base, be provided with groove, base end is provided with the gland of shutoff groove, target plate axle or target plate run through base and gland, and in groove, are filled with airtight and watertight padding.
3. boiler blow piping on-line continuous is tried target assembly according to claim 1, it is characterized in that: described pneumatic actuator bottom is connected with commutation connector, described commutation connector comprises the connecting plate on top and the gate of bottom, connecting plate is connected with pneumatic actuator, and target plate axle top is connected by horizontal bearing pin with gate.
4. boiler blow piping on-line continuous is tried target assembly according to claim 1, it is characterized in that: inner side, support frame as described above top and bottom is respectively arranged with upper stroke switch and lower stroke switch, commutation connector one epitaxial lateral overgrowth touches the limited block of upper stroke switch and lower stroke switch, the switch gearing of described upper stroke switch and lower stroke switch and pneumatic actuator thereon in stretching and having to descend to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280504.3A CN104019454A (en) | 2014-06-23 | 2014-06-23 | Online continuous target test device of blowing pipe of steel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280504.3A CN104019454A (en) | 2014-06-23 | 2014-06-23 | Online continuous target test device of blowing pipe of steel furnace |
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| Publication Number | Publication Date |
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| CN104019454A true CN104019454A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410280504.3A Pending CN104019454A (en) | 2014-06-23 | 2014-06-23 | Online continuous target test device of blowing pipe of steel furnace |
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| CN (1) | CN104019454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059608A (en) * | 2018-07-10 | 2018-12-21 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit pressure stabilizing target apparatus and its cool-down method |
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| US5470749A (en) * | 1993-08-27 | 1995-11-28 | Mobil Oil Corporation | Method for determining steam quality using a foaming surfactant |
| CN2557504Y (en) * | 2002-05-31 | 2003-06-25 | 吴红龙 | Yoke board type electronic balance for crane pulley |
| CN1837817A (en) * | 2006-02-24 | 2006-09-27 | 孙志彬 | Automatic target plate device |
| CN101576551A (en) * | 2009-06-04 | 2009-11-11 | 山东电力研究院 | Target plate device used for steam blowing pipe |
| CN202661091U (en) * | 2012-05-15 | 2013-01-09 | 中国二十冶集团有限公司 | Built-in purging target plate for gas pipeline |
| CN202794142U (en) * | 2012-08-22 | 2013-03-13 | 中国能源建设集团江苏省电力建设第三工程公司 | On-line target plate device for steam blowpipe |
| CN203083815U (en) * | 2013-01-10 | 2013-07-24 | 河南第二火电建设公司 | Pneumatic target plate device |
| CN103344744A (en) * | 2013-07-24 | 2013-10-09 | 中国能源建设集团江苏省电力建设第一工程公司 | Target plate device |
| CN203927955U (en) * | 2014-06-23 | 2014-11-05 | 山东电力建设第一工程公司 | Boiler blow piping on-line continuous examination target assembly |
-
2014
- 2014-06-23 CN CN201410280504.3A patent/CN104019454A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470749A (en) * | 1993-08-27 | 1995-11-28 | Mobil Oil Corporation | Method for determining steam quality using a foaming surfactant |
| CN2557504Y (en) * | 2002-05-31 | 2003-06-25 | 吴红龙 | Yoke board type electronic balance for crane pulley |
| CN1837817A (en) * | 2006-02-24 | 2006-09-27 | 孙志彬 | Automatic target plate device |
| CN101576551A (en) * | 2009-06-04 | 2009-11-11 | 山东电力研究院 | Target plate device used for steam blowing pipe |
| CN202661091U (en) * | 2012-05-15 | 2013-01-09 | 中国二十冶集团有限公司 | Built-in purging target plate for gas pipeline |
| CN202794142U (en) * | 2012-08-22 | 2013-03-13 | 中国能源建设集团江苏省电力建设第三工程公司 | On-line target plate device for steam blowpipe |
| CN203083815U (en) * | 2013-01-10 | 2013-07-24 | 河南第二火电建设公司 | Pneumatic target plate device |
| CN103344744A (en) * | 2013-07-24 | 2013-10-09 | 中国能源建设集团江苏省电力建设第一工程公司 | Target plate device |
| CN203927955U (en) * | 2014-06-23 | 2014-11-05 | 山东电力建设第一工程公司 | Boiler blow piping on-line continuous examination target assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059608A (en) * | 2018-07-10 | 2018-12-21 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit pressure stabilizing target apparatus and its cool-down method |
| CN109059608B (en) * | 2018-07-10 | 2023-07-04 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit voltage-stabilizing target device and cooling method thereof |
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Application publication date: 20140903 |