CN102248007B - Cleaning device for diameter measuring instrument - Google Patents
Cleaning device for diameter measuring instrument Download PDFInfo
- Publication number
- CN102248007B CN102248007B CN201110008239.XA CN201110008239A CN102248007B CN 102248007 B CN102248007 B CN 102248007B CN 201110008239 A CN201110008239 A CN 201110008239A CN 102248007 B CN102248007 B CN 102248007B
- Authority
- CN
- China
- Prior art keywords
- caliper
- stationary pipes
- cleaning device
- measuring instrument
- diameter measuring
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 238000007664 blowing Methods 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 238000003384 imaging method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to a cleaning device for keeping a diameter measuring instrument clean and dry. The device comprises a pipe body through which wires can pass, wherein the pipe body is provided with an air blowing mechanism; the position of an airflow field of the air blowing mechanism corresponds to the position of a light transmitting mirror of the diameter measuring instrument; and the length direction of the airflow field is parallel to the traveling direction of the wires. The air blowing mechanism can blow dust, impurities, water vapor and the like in the diameter measuring instrument out of the diameter measuring instrument from a material inlet or outlet; the air blowing mechanism can also blow impurities, scrap iron and dust which are attached or adhered to materials out of the diameter measuring instrument to prevent the impurities, the scrap iron and the dust from dropping and further falling to the light transmitting mirror, so that the effects of cleaning the light transmitting mirror of the diameter measuring instrument and ensuring imaging quality are achieved; meanwhile, the negative pressure generated by the flow of high-speed airflow and the airflow outside the diameter measuring instrument can also guide gas to flow to prevent the dusty, hot and humid air from entering components of the diameter measuring instrument such as a lens, a light source and the like, so that the effect of cleaning the diameter measuring instrument is further achieved. The cleaning device has reliable functions and a simple structure, is convenient to use, and is low in cost.
Description
Technical field
The present invention relates to clean, the dry cleaning device for maintaining in instrument and equipment.
Background technology
In metallurgy especially steel industry, need to carry out online, instant examine of diameter to the wire rod of the milling train import and export in the operation of rolling, to arrange the running parameter of milling train according to pan feeding size difference or can adjust and control milling train in time when finding wire size deviation, ensure the yield rate of rolling.
But because the wire rod just rolled is in the condition of high temperature, so wire rod through caliper have unavoidably spark, high temperature impurity, scrap iron from splashing and drop and accumulate on the precise parts such as transmissive mirror, these dusts, impurity, iron filings etc. cannot be discharged usually smoothly, and constantly drop and be bonded in caliper inwall even in transmissive mirror, and the continuous slagging scorification accumulation because of the high temperature of itself, so not only can pollution detection equipment, reduce accuracy of detection, even causing cannot imaging, detects the serious consequences such as inefficacy; Clean difficulty strengthens and even cannot clean and scrap parts simultaneously, adds operating cost.
But in prior art, be not exclusively used in the cleaning device of caliper, make the use of caliper very inconvenient.
Summary of the invention
Object of the present invention is just to provide a kind of cleaning device on caliper.
Adopt scheme be exactly: a kind of cleaning device of caliper, comprises the inflatable body be fixed in caliper, and the position, exhaust airstream field of inflatable body is corresponding with the transmissive mirror position of caliper, its blowing direction and wire rod direct of travel almost parallel; Inflatable body is arranged in the stationary pipes passed through for wire rod; Described fixing inner coaxial tube and from layout in manage, diameter of inner pipe is greater than gauge or diameter of wire, and and axle center and wire rod are advanced, center line overlaps, interior pipe front end and stationary pipes affixed, stationary pipes and caliper feeding mouth framework affixed; The front end of described interior pipe, the arranged outside blowing mechanism of caliper charging aperture, the oblique wire axis of blowing direction of blowing mechanism is also contrary with wire rod traffic direction; Described interior pipe is communicated with the region aperture of blowing mechanism side with the region between stationary pipes.
The airflow field position of inflatable body and the transmissive mirror position of caliper be briefly namely: airflow field skims over the transmissive mirror surface of caliper, cleaning device can be arranged near the transmissive mirror of caliper by such cleaning device easily, inflatable body work in test, by the dust in caliper, impurity, steam etc., from material inlet or outlet blowout caliper; Also attaching or title can be sticked to impurity, iron filings, the dust blowout caliper on material, avoid it to drop and fall further in transmissive mirror, so just serving the transmissive mirror of clean caliper, ensureing the effect of image quality; By while the negative pressure that produces of high velocity air flowing and caliper outside air-flow gas can also be guided to flow, avoid dust, damp and hot air enter in the parts such as the camera lens of caliper, light source, serve the effect of clean caliper further.And such cleaning device reliable in function, structure is simply easy to use, and cost is also very low.The purging of air can also play good cooling effect to parts such as transmissive mirror simultaneously, strengthens the job stability of caliper further.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is that A-A in Fig. 2 is to sectional view;
Fig. 4 is using state schematic diagram of the present invention.
Detailed description of the invention
The cleaning device of a kind of caliper as shown in Figure 1, 2, 3, comprises the inflatable body be fixed in caliper, and the position, exhaust airstream field of inflatable body is corresponding with transmissive mirror 50 position of caliper, its blowing direction and wire rod direct of travel almost parallel.Described airflow field position is corresponding with transmissive mirror 50, and namely steam vent 11 position of inflatable body, angle are suitable, ensure that airflow field is just to transmissive mirror 50, or skim over the minute surface of transmissive mirror 50 or skim over transmissive mirror 50 upper area, as shown in Figure 4; And blowing direction is away from the direction of transmissive mirror 50, be preferably namely parallel to wire rod direct of travel.
Cleaning device can be arranged near the transmissive mirror 50 of caliper by such cleaning device easily, and in test, inflatable body can by the dust in caliper, impurity, steam etc. from material inlet or outlet blowout caliper; Also attaching or title can be sticked to impurity, iron filings, dust, the metal oxide blowout caliper on material, avoid it to drop and fall further in transmissive mirror, so just serving the transmissive mirror of clean caliper, ensureing the effect of image quality; By while the negative pressure that produces of high velocity air flowing and caliper outside air-flow gas can also be guided to flow, avoid dust, damp and hot air enter in the parts such as the camera lens of caliper, light source, serve the effect of clean caliper further.And such cleaning device reliable in function, structure is simply easy to use, and cost is also very low.The air simultaneously continued purges can also play good cooling effect to the parts on caliper such as transmissive mirror 50 grade, strengthens the job stability of caliper further.
The number of inflatable body does not have considered critical, as long as the reasonable quantity according to transmissive mirror 50 is arranged, ensure that each transmissive mirror 50 can be blown to just, more air blowings are more even usually, but preferably described inflatable body respectively arranges one at the upper and lower of tested wire rod.Such cleaning device is particularly useful for the rotary caliper that transmissive mirror 50 is rotated with other optical detection component common coiling material direct of travel, relatively rotating between transmissive mirror 50 and inflatable body, make the airflow field of blowing can cover any part of transmissive mirror 50, and the inflatable body of downside can avoid dust, impurity to fall, ensure to purge clean effect, inflatable body number is reasonable so simultaneously, greatly saves installation cost.
Described inflatable body is arranged in the stationary pipes 10 passed through for wire rod; The blowing direction of described inflatable body is identical with wire rod direct of travel.Inflatable body is connected with stationary pipes 10 is in other words an entirety, and is positioned on caliper, and stationary pipes 10 can play isolated wire rod heat, avoids the optics work of the heat effects caliper of wire rod.And stationary pipes 10 is very convenient with the connection of caliper, so stationary pipes 10 only need be secured on caliper by such device, is convenient to inflatable body and is connected with caliper and mates.Blow in the same way can, so that blowing gas stream is smooth and avoid forming cyclone in caliper, cause impurity to stop with the wire rod direction of motion.
The tube wall of described stationary pipes 10 is hollow structure, is connected with recirculated cooling water in it.This further enhances the effect of heat insulation of stationary pipes 10, also can reduce the heat resistance of stationary pipes 10 material simultaneously.Tube wall inner-cavity structure as stationary pipes 10 rationally can be arranged according to existing design principle, makes cooling water Uniform Flow in tube wall as far as possible.
Coaxial and from pipe 30 in layout, interior pipe 30 diameter is greater than gauge or diameter of wire, and and axle center and wire rod are advanced, center line overlaps in described stationary pipes 10, interior pipe 30 front end and stationary pipes 10 affixed, stationary pipes 10 and caliper feeding mouth framework 70 affixed.Described front end is exactly feed end, the namely illustrated right part of wire rod, interior pipe 30 can play one deck heat-blocking action, it is heat insulation that cavity area between itself and stationary pipes 10 forms another layer of air, the insulation requirement of such stationary pipes 10 reduces, three layers of heat insulation structural can guarantee that the temperature in the region in caliper except wire rod travel zone is in the state close to room temperature, is beneficial to equipment stable operation.Interior pipe 30 reduces with the coaxially arranged overall volume of device that makes of stationary pipes 10, and simultaneously evenly heat insulation again, overlap with the center line of advancing of wire rod the scratch or collision that can avoid wire rod and body.Interior pipe 30 front end and stationary pipes 10 affixed, then in fact stationary pipes 10 is affixed with framework 70 is exactly that tubule is secured in bassoon, bassoon is secured on framework 70, ensure bonding strength, stationary pipes 10 and framework 70 are usually if figure is that bolt is connected, interior pipe 30 and stationary pipes 10 can be that screw or bolt are connected, and being convenient to dismounting, changing interior pipe 30, also can be welding.As being fixed on the pedestal of caliper easily bottom figure framework 70.Whole cleaning device position stability, is convenient to connect gas/water source.
The front end of described interior pipe 30, the arranged outside blowing mechanism 40 of caliper charging aperture, the oblique wire axis of blowing direction of blowing mechanism 40 is also contrary with wire rod traffic direction; Described interior pipe 30 is communicated with the region aperture 60 of the region between stationary pipes 10 with blowing mechanism 40 side.As shown in Figure 4, illustrated right side is fixing inlet of diameter gauge framework 70, cleaning device of the present invention etc., be exactly detection, the imaging moiety of rotatable caliper outside left side, namely airflow field, upper and lower two transmissive mirror 50 rotate around wire axis together with other optics with rotating disk, and high speed imaging simultaneously detects gauge or diameter of wire.Metal oxide on wire rod, impurity etc. can blow off by blowing mechanism 40, isolate from the air-flow that wire rod is advanced in the same way simultaneously, ensure to enter the air of interior pipe 30 and wire rod cleans, inflatable body and blowing mechanism 40 are oppositely blown, both synergies, jointly guarantee in caliper, especially transmissive mirror 50 is clean.Aperture 60 is arranged on to be convenient on the Flange-shaped Parts terminal pad of connecting frame 70, in fact exactly the region in caliper is in communication with the outside, the negative pressure that such air blowing and blowing mechanism are blown and attracted the air in instrument to produce outside instrument can obtain the compensation of fresh air, both inflatable body working stability had been beneficial to, air current flow cools again caliper inside simultaneously, region near aperture 60 and wire rod from, ensure the air cleaning of access arrangement.Aperture 60 arranges multiple, such as 4 and be uniformly distributed in the tubular solid root periphery of blowing mechanism 40, is communicated to the region between stationary pipes 10 and interior pipe 30, so both away from air blowing region and wire rod, avoids impurity to introduce; Fresh air enters the rear region directly entered near wire rod simultaneously, and does not interfere other optics of caliper, ensures that caliper cleans.
The steam vent 11 of described inflatable body is made up of the tube chamber that can adjust the globe joint 12 of air blowing angle along vertical plane, the air-flow chamber 13 connecting globe joint 12 is arranged in the recirculated cooling water of stationary pipes 10 tube wall, and the position being positioned at stationary pipes 10 postmedian of air-flow chamber 13 arranges air inlet pipe 14 and is connected with source of the gas.The use of globe joint 12 in fact namely will make the gentle flow field direction of the discharge directions of steam vent 11 adjustable up and down, namely illustratedly more can press close to transmissive mirror 50 or more be partial to wire axis, like this can according to the position of different service condition adjustment airflow field, guarantee purging, cleaning effect, can machining accuracy be reduced again simultaneously, be convenient to install.The air-flow chamber 13 of connection globe joint 12 is arranged in cooling water and air inlet pipe 14 is positioned at stationary pipes 10 postmedian, its essence is exactly that the air of inflatable body is first carried out enough coolings, the cooling effect of blowing is strengthened further, can to reduce further in caliper, temperature especially near transmissive mirror 50, ensure that caliper is reliable.
Described recirculated cooling water flows through whole tube wall stationary pipes 10 tube wall inner chamber is roundabout.Because ensure that the tube wall that cooling water is distributed on stationary pipes 10 can have various ways, such as entering of multiple correspondence can be set, discharge outlet, or cooling water flows to the other end at tube wall inside spin shape by pipe one end, or other any existing structure, but preferably still in tube wall, the parts such as dividing plate are set along pipe range direction, as shown in Figure 3, adjacent dividing plate forms interval 18 at body two ends and tube wall end face respectively, 19, interval 18, 19 and two parts between dividing plate form the water stream channel wriggled along tube wall, arrange one group in this structure to enter, drainage joint 16, 17.The air-flow chamber 13 of inflatable body can be arranged in water stream channel, and the outer wall forming this chamber also as a dividing plate, can this also reduces the material usage of device.
Described stationary pipes 10 outer wall arranges groove 15, and groove 15 extends to stationary pipes 10 rear end face, and globe joint 12 is positioned at groove 15.Namely offer groove 15 in close transmissive mirror 50 one end of stationary pipes 10 to feed end, globe joint 12 is positioned at the monnolithic case size that groove 15 just reduces this device, is convenient to Plant arrangement in caliper.
Further, described steam vent 11 is identical with the angle of stationary pipes 10 axis, and its outlet is positioned on the same cross section of stationary pipes 10 axis, and the inlet end aperture of steam vent 11 is large, aperture, outlet side is little.The inlet end aperture being exactly steam vent 11 as figure is docked with air-flow chamber 13, and aperture, outlet side is little, is convenient to like this export comparatively hyperbar under less bleed pressure.Simultaneously because rotary caliper and on transmissive mirror 50 monoblock type rotate along wire axis, so the setting position of two steam vents 11 and angle are preferably identical, both can mate the caliper of this structure better, and also be convenient to the angle of corresponding adjustment two steam vents 11.
Claims (8)
1. a cleaning device for caliper, is characterized in that: comprise the inflatable body be fixed in caliper, and the position, exhaust airstream field of inflatable body is corresponding with transmissive mirror (50) position of caliper, its blowing direction and wire rod direct of travel almost parallel; Inflatable body is arranged in the stationary pipes (10) passed through for wire rod; Coaxial also from pipe (30) in layout in described stationary pipes (10), interior pipe (30) diameter is greater than gauge or diameter of wire, and and axle center and wire rod are advanced, center line overlaps, interior pipe (30) front end and stationary pipes (10) affixed, stationary pipes (10) and caliper feeding mouth framework (70) are affixed; The front end of described interior pipe (30), the arranged outside blowing mechanism (40) of caliper charging aperture, the oblique wire axis of blowing direction of blowing mechanism (40) is also contrary with wire rod traffic direction; Described interior pipe (30) is communicated with the region aperture (60) of blowing mechanism (40) side with the region between stationary pipes (10).
2. the cleaning device of caliper according to claim 1, is characterized in that: described inflatable body respectively arranges one the upper and lower of tested wire rod.
3. the cleaning device of caliper according to claim 1, is characterized in that: the blowing direction of described inflatable body is identical with wire rod direct of travel.
4. the cleaning device of caliper according to claim 1, is characterized in that: the tube wall of described stationary pipes (10) is hollow structure, is connected with recirculated cooling water in it.
5. the cleaning device of the caliper according to claim 1,2,3 or 4, it is characterized in that: the steam vent (11) of described inflatable body is made up of the tube chamber that can adjust the globe joint (12) of air blowing angle along vertical plane, the air-flow chamber (13) connecting globe joint (12) is arranged in the recirculated cooling water of stationary pipes (10) tube wall, and the position being positioned at stationary pipes (10) postmedian of air-flow chamber (13) arranges air inlet pipe (14) and is connected with source of the gas.
6. the cleaning device of caliper according to claim 5, is characterized in that: described recirculated cooling water flows through whole tube wall stationary pipes (10) tube wall inner chamber is roundabout.
7. the cleaning device of caliper according to claim 6, is characterized in that: described stationary pipes (10) outer wall is arranged groove (15), and groove (15) extends to stationary pipes (10) rear end face, and globe joint (12) is positioned at groove (15).
8. the cleaning device of caliper according to claim 7, it is characterized in that: described steam vent (11) is identical with the angle of stationary pipes (10) axis, its outlet is positioned on the axial same cross section of stationary pipes (10), and the inlet end aperture of steam vent (11) is large, aperture, outlet side is little.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110008239.XA CN102248007B (en) | 2011-01-15 | 2011-01-15 | Cleaning device for diameter measuring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110008239.XA CN102248007B (en) | 2011-01-15 | 2011-01-15 | Cleaning device for diameter measuring instrument |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102248007A CN102248007A (en) | 2011-11-23 |
CN102248007B true CN102248007B (en) | 2015-07-22 |
Family
ID=44975784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110008239.XA Active CN102248007B (en) | 2011-01-15 | 2011-01-15 | Cleaning device for diameter measuring instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102248007B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103157674A (en) * | 2011-12-15 | 2013-06-19 | 洛阳瑞清科技有限公司 | Purging press ring device for cool rolling and foil rolling X-ray thickness tester |
CN202886297U (en) * | 2012-09-29 | 2013-04-17 | 深圳市华星光电技术有限公司 | Image capturing device and detecting device |
CN103284324B (en) * | 2013-06-09 | 2015-07-22 | 上海湃通机电设备有限公司 | Dust removal and prevention device for non-contact rotary type cylindrical product diameter measuring device |
CN105618429B (en) * | 2014-11-04 | 2017-12-29 | 佛山市南华仪器股份有限公司 | A kind of stationary source particle monitoring instrument clean air blowing mechanism |
CN105442109A (en) * | 2015-12-29 | 2016-03-30 | 安普科技有限公司 | Spark detection device with self-cleaning function |
CN105642613A (en) * | 2015-12-31 | 2016-06-08 | 天津市东方龙光电测控技术有限公司 | Purging type dust guard equipment |
US10744979B2 (en) * | 2017-06-15 | 2020-08-18 | Ford Global Technologies, Llc | Sensor apparatus |
CN110508559B (en) * | 2019-08-28 | 2024-04-02 | 江苏亨通光纤科技有限公司 | Dust removing device of optical fiber calliper |
CN112890273A (en) * | 2021-03-22 | 2021-06-04 | 红云红河烟草(集团)有限责任公司 | Online dynamic cleaning device for filter rods or cigarette rods |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2854512Y (en) * | 2005-12-09 | 2007-01-03 | 天津市兆瑞测控技术有限公司 | High precision dust-proof calibrate instrument |
CN201573009U (en) * | 2009-11-24 | 2010-09-08 | 深圳市大族激光科技股份有限公司 | Laser processing head |
CN201959984U (en) * | 2011-01-15 | 2011-09-07 | 合肥市百胜科技发展股份有限公司 | Cleaning device of diameter measuring instrument |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5444700B2 (en) * | 2008-11-29 | 2014-03-19 | 井関農機株式会社 | Filter cleaning device |
-
2011
- 2011-01-15 CN CN201110008239.XA patent/CN102248007B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2854512Y (en) * | 2005-12-09 | 2007-01-03 | 天津市兆瑞测控技术有限公司 | High precision dust-proof calibrate instrument |
CN201573009U (en) * | 2009-11-24 | 2010-09-08 | 深圳市大族激光科技股份有限公司 | Laser processing head |
CN201959984U (en) * | 2011-01-15 | 2011-09-07 | 合肥市百胜科技发展股份有限公司 | Cleaning device of diameter measuring instrument |
Non-Patent Citations (1)
Title |
---|
线材轧制过程中的尺寸检测-非接触测径仪的在线应用;汝继新;《天津冶金》;20011231(第4期);第12-13页 * |
Also Published As
Publication number | Publication date |
---|---|
CN102248007A (en) | 2011-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102248007B (en) | Cleaning device for diameter measuring instrument | |
CN103418549B (en) | For the cylindrical dedusting apparatus of microparticle material | |
CN201823642U (en) | Laser cladding coaxial powder delivery nozzle comprising guide protective air flow | |
CN105021287B (en) | A kind of cooling system of station boiler high-temperature wall surface infrared detecting device | |
KR20130080763A (en) | Air blowing device | |
CN201959984U (en) | Cleaning device of diameter measuring instrument | |
JP4227733B2 (en) | Dust discharge equipment for blast furnace gas | |
CN203241684U (en) | Cooling protective sleeve for high-temperature camera device | |
CN204903020U (en) | Infrared detection device's of power plant boiler high temperature wall cooling system | |
CN2930848Y (en) | A kind of bell type hood used in fluidized bed reactor | |
CN201935678U (en) | Sealing device for diameter gauge | |
CN201930968U (en) | Cooling device for caliper | |
WO2012069019A1 (en) | Guide-and-guard apparatus for diameter-measuring instrument | |
CN109276969A (en) | A cooling gas-liquid separator | |
CN202099345U (en) | Coaxial blowing type gas protection device | |
CN102310062B (en) | Cleaning device for inlet of diameter gauge | |
CN102252641A (en) | Sealing device for diameter gauge | |
CN102248008B (en) | Cooling device for diameter measuring instrument | |
CN102248009A (en) | Cooling device for diameter measuring instrument | |
CN104525582B (en) | Cooling device for diameter-measuring instrument | |
CN204365060U (en) | A kind of hot-air filter with step device | |
CN206026224U (en) | Hand -held vacuum cleaner | |
CN104801115B (en) | Dust pelletizing system containing oil fume | |
CN105618429B (en) | A kind of stationary source particle monitoring instrument clean air blowing mechanism | |
CN204396475U (en) | Cooling device for diameter-measuring instrument |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |