CN114542974B - Oxygen injection equipment for coal calorific value detection workstation - Google Patents
Oxygen injection equipment for coal calorific value detection workstation Download PDFInfo
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- CN114542974B CN114542974B CN202210087771.3A CN202210087771A CN114542974B CN 114542974 B CN114542974 B CN 114542974B CN 202210087771 A CN202210087771 A CN 202210087771A CN 114542974 B CN114542974 B CN 114542974B
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- Prior art keywords
- pipe
- oxygen
- air pressure
- outlet nozzle
- fixedly connected
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000001301 oxygen Substances 0.000 title claims abstract description 95
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 239000007789 gas Substances 0.000 claims description 26
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
- F17C13/085—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use on wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/055—Valves therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0123—Mounting arrangements characterised by number of vessels
- F17C2205/0126—One vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
- F17C2205/0161—Details of mounting arrangements for transport with wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
- F17C2205/0165—Details of mounting arrangements for transport with handgrip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0352—Pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/038—Detecting leaked fluid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The application provides oxygen injection equipment for a coal calorific value detection workstation, which comprises an oxygen tank, wherein a movable base is arranged at the bottom of the oxygen tank, and four groups of universal wheels are welded at equal angles at the bottom of the movable base; the upper end of the oxygen tank is communicated with an air delivery pipe, one side of the air delivery pipe is communicated with an air outlet nozzle, the air outlet nozzle is connected with an air pressure detection pipe, a first air pressure detector is arranged on the air pressure detection pipe, one end of the air pressure detection pipe is connected with a connecting pipe, a shunt pipe is arranged on the connecting pipe, and a second air pressure detector is connected to the shunt pipe; the invention realizes the movable adjustment, the sealing connection and the fixation of the oxygen tank, prevents the leakage of oxygen, and the buffer pipe is arranged in the connecting pipe, so that the buffer of oxygen, the prevention of staged surge and the shunt pipe are realized, and the second air pressure detector is combined with the first air pressure detector to judge whether air leakage exists.
Description
Technical Field
The application relates to the technical field of coal detection, in particular to oxygen injection equipment for a coal calorific value detection workstation.
Background
When the experiment realizes that the calorific capacity is detected to coal, oxygen supply is needed to coal, combustion is realized, but when the existing oxygen supply device is used, the existing oxygen supply device is generally not capable of moving and adjusting, because the volume of the oxygen tank is large, the oxygen tank is inconvenient in moving, and the air pressure detection cannot be realized to output oxygen, so that the oxygen can not be effectively detected when being output, and the detection cannot be realized to leakage of the oxygen, so that the oxygen tank cannot clearly observe the oxygen injection state in the oxygen injection process, a certain danger is easily caused, the oxygen output can not be buffered, the split flow is easy, and the periodic surge of the oxygen output is easily caused.
Disclosure of Invention
In order to make up the defects, the application provides oxygen injection equipment for a coal heating value detection workstation, which aims to improve the defects that the existing oxygen injection equipment is inconvenient to move and adjust, can not detect air pressure, can not judge whether leakage occurs, can not realize buffering and flow division, and reduces the occurrence of the phenomenon of staged surge.
The embodiment of the application provides oxygen injection equipment for a coal calorific value detection workstation, which comprises
The bottom of the oxygen tank is fixedly provided with a movable base, and four groups of universal wheels are welded at equal angles on the bottom of the movable base;
the upper end of the oxygen tank is fixedly communicated with an air pipe, one side of the air pipe is fixedly communicated with an air outlet nozzle, the air outlet nozzle is fixedly connected with an air pressure detection pipe, a first air pressure detector is arranged on the air pressure detection pipe, one end of the air pressure detection pipe is connected with a connecting pipe, a shunt pipe is arranged on the connecting pipe, and a second air pressure detector is connected to the shunt pipe;
the outside of both ends of the air pressure detection tube are provided with limit grooves, threaded connection nuts are movably connected in the limit grooves, two ends of the inner wall of the air pressure detection tube are fixedly connected with insertion tubes, clamping grooves are formed in the ends of the air outlet nozzle, the connecting tube and the insertion tubes, limit rings are movably connected in the clamping grooves of the air outlet nozzle and the connecting tube, and the limit rings are movably clamped in the clamping grooves of the insertion tubes;
the inside of connecting pipe is equipped with the slow flow pipe, the connecting pipe with the one end junction swing joint of shunt tubes has first closing plate, the lower part fixedly connected with fender flow board of first closing plate, one side fixedly connected with connecting rod of fender flow board, there is the connecting block through the round pin hub connection on the connecting rod, the tip fixed connection of connecting block is in on the inner wall of connecting pipe, the connecting pipe with the other end junction swing joint of shunt tubes has the second closing plate, first closing plate realizes to the shutoff is carried out to the gas input end of shunt tubes, the second closing plate is realized to the shutoff is carried out to the gas output end of shunt tubes, the lower extreme fixedly connected with telescopic link of second closing plate, the lower extreme swing joint of telescopic link is in the inside of telescopic link, telescopic link fixed mounting is in on the inner wall of connecting pipe, the telescopic link with telescopic link's outside has cup jointed telescopic spring, telescopic spring's both ends are connected respectively second closing plate with on the inner wall of connecting pipe.
In the implementation process, the movable base and the universal wheel are fixedly arranged at the bottom of the oxygen tank, so that the oxygen tank can be moved and regulated, the air pressure detection pipe and the first air pressure detector are connected to the air outlet nozzle to realize air pressure detection, the air pressure detection pipe is stably and fixedly connected with the air outlet nozzle and the connecting pipe through the threaded connecting nut, the inserting pipe is arranged to realize sealing connection and fixation to prevent leakage of oxygen, the connecting pipe is arranged to realize output of oxygen, the buffer pipe is arranged in the connecting pipe to realize buffering of oxygen, the stage surge is prevented, the shunt pipe is arranged, the first sealing plate and the second sealing plate are respectively arranged at two ends of the shunt pipe, blocking of oxygen can be realized, the first sealing plate can be regulated through the impact of oxygen, the oxygen can enter the shunt pipe, the second air pressure detector is combined with the first air pressure detector to judge whether the air pressure exists or not, the second sealing plate can be jacked up when the air pressure is over-atmosphere, the stage surge can be realized after the combined with the oxygen is gradually, and the stable output of the oxygen can not be realized.
In a specific embodiment, a connecting arc plate is welded on one side of the movable base, and two upright posts are fixedly connected to the connecting arc plate through fixing bolts.
In the implementation process, the setting of the connecting arc plate is convenient for realizing fixed connection of the upright moving base.
In a specific embodiment, handles are fixedly installed at the end parts of the two upright posts respectively, and an anti-slip rubber sleeve is sleeved on the handles.
In the implementation process, the setting of the handle is convenient to push, so that the oxygen tank is convenient to move, the setting of the protective rubber sleeve prevents the hand from holding and sliding, and the hand can be kept.
In a specific embodiment, the air pipe is connected with a threaded rod in a threaded manner, a rotary hand wheel is fixedly arranged at the top end of the threaded rod, a valve is arranged in the air pipe, and the valve is fixedly connected with the threaded rod.
In the implementation process, the setting of the rotary hand wheel can drive the threaded rod and the valve to rotate, so that the control and adjustment of the output of oxygen are realized.
In a specific embodiment, the end portion of the insertion tube is provided with a sealing ring connecting groove, a rubber sealing ring is connected in a clamping manner in the sealing ring connecting groove, and the end portions of the rubber sealing ring are respectively attached to the inner walls of the insertion tube and the air outlet nozzle or the connecting tube.
In the implementation process, the setting of the sealing ring connecting groove and the rubber sealing ring can prevent oxygen from leaking from the connecting part of the insertion pipe, so that sealing protection is realized.
In a specific embodiment, the two ends of the air pressure detection tube are respectively provided with a clamping groove, the end parts of the air outlet nozzle and the connecting tube are respectively provided with a clamping head, and the clamping heads are respectively connected in a clamping way in the clamping grooves.
In the implementation process, the setting of the clamping groove and the clamping head can enable the connection between the air pressure detection pipe and the air outlet nozzle as well as the connecting pipe to be sealed, so that oxygen leakage is prevented.
In a specific embodiment, the first sealing plate and the second sealing plate are both sleeved with a silica gel sealing pad, the silica gel sealing pad is attached to the inner wall of the shunt tube, and the extension spring and the tension spring drive the second sealing plate and the first sealing plate to seal the gas output end and the gas input end of the shunt tube through elasticity.
In the implementation process, the setting of the silica gel sealing gasket can enable the first sealing plate and the second sealing plate to be convenient to move and protect safety when being connected to the inner wall of the shunt tube.
In a specific embodiment, a tension spring is fixedly connected to one side of the flow baffle, a positioning plate is fixedly connected to the other end of the tension spring, and the positioning plate is fixedly connected to the inner wall of the connecting pipe.
In the implementation process, the setting of the tension spring enables the baffle plate to move away when being impacted by oxygen, and rebound is realized when the impact is weakened, so that the first sealing plate can block the inlet of the shunt tube again.
In a specific embodiment, the threaded connection nuts at two ends of the air pressure detection tube are used for realizing threaded connection with the air outlet nozzle and the connecting tube, the inner wall of each threaded connection nut is provided with a threaded groove, and the outer sides of the end parts of the air outlet nozzle and the connecting tube are also provided with threaded grooves.
In the implementation process, the setting of the threaded connection nut can enable the air pressure detection pipe to be stably and hermetically connected with the air outlet nozzle and the connecting pipe, and the air pressure detection pipe is prevented from falling off.
In a specific embodiment, the inner wall of the slow flow pipe is provided with a wavy shape, the upper end of the slow flow pipe is provided with a backflow impact groove, the lower end of the slow flow pipe is provided with a gentle wavy groove, and the gentle wavy groove corresponds to the backflow impact groove.
In the implementation process, the setting of the gentle wave grooves in the slow flow pipe can enable oxygen to pass through and convey, and the backflow impact grooves can achieve backflow impact buffering of the oxygen, and the backflow impact buffering device is matched with the shunt pipe to balance oxygen output and prevent oxygen from outputting periodic surges.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure according to an embodiment of the present application;
fig. 2 is a schematic top view of the structure provided in the embodiment of the present application;
FIG. 3 is an enlarged schematic view of portion A in FIG. 1 according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of the cross-section of FIG. 3B according to an embodiment of the present application;
fig. 5 is a schematic cross-sectional enlarged structure of a connection pipe according to an embodiment of the present application.
In the figure: 1. an oxygen tank; 2. a gas pipe; 3. an air outlet nozzle; 4. an air pressure detecting tube; 5. a first air pressure detector; 6. a connecting pipe; 7. a shunt; 8. a second air pressure detector; 9. a limit groove; 10. a threaded connection nut; 11. an insertion tube; 12. a clamping groove; 13. a limiting ring; 14. a buffer tube; 15. a connecting block; 16. a connecting rod; 17. a flow baffle; 18. a first sealing plate; 19. a tension spring; 20. a telescopic cylinder; 21. a telescopic rod; 22. a telescopic spring; 23. a second sealing plate; 24. a silica gel sealing pad; 25. a positioning plate; 26. a seal ring connecting groove; 27. a rubber seal ring; 28. a clamping groove; 29. a clamping head; 30. a movable base; 31. a universal wheel; 32. connecting an arc plate; 33. a column; 34. a handle; 35. rotating a hand wheel; 36. a reflux impact groove; 37. gentle wave grooves.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
Accordingly, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1-2, the application provides an oxygen injection device for a coal calorific value detection workstation, an oxygen tank 1, wherein a movable base 30 is fixedly arranged at the bottom of the oxygen tank 1, and four groups of universal wheels 31 are welded at equal angles at the bottom of the movable base 30; the invention is characterized in that the bottom of the oxygen tank 1 is fixedly provided with the movable base 30 and the universal wheels 31, so that the movable adjustment of the oxygen tank 1 can be realized.
Referring to fig. 3, an air pipe 2 is fixedly connected to the upper end of the oxygen tank 1, an air outlet nozzle 3 is fixedly connected to one side of the air pipe 2, an air pressure detecting pipe 4 is fixedly connected to the air outlet nozzle 3, a first air pressure detector 5 is arranged on the air pressure detecting pipe 4, one end of the air pressure detecting pipe 4 is connected to a connecting pipe 6, a shunt pipe 7 is arranged on the connecting pipe 6, and a second air pressure detector 8 is connected to the shunt pipe 7; the air outlet nozzle 3 is connected with an air pressure detection tube 4 and a first air pressure detector 5 for air pressure detection, the air pressure detection tube 4 is fixedly connected with the air outlet nozzle 3 and the connecting tube 6 stably through a threaded connecting nut 10, and an inserting tube 11 is arranged for sealing connection and fixation, so that leakage of oxygen is prevented.
Referring to fig. 4, the two ends of the air pressure detecting tube 4 are provided with a limit groove 9, a threaded connection nut 10 is movably connected in the limit groove 9, two ends of the inner wall of the air pressure detecting tube 4 are fixedly connected with an insertion tube 11, the ends of the air outlet nozzle 3, the connecting tube 6 and the insertion tube 11 are provided with a clamping groove 12, a limit ring 13 is movably connected in the clamping groove 12 of the air outlet nozzle 3 and the connecting tube 6, and the limit ring 13 is movably clamped in the clamping groove 12 of the insertion tube 11; the device is provided with the connecting pipe 6 for outputting oxygen, the buffer pipe 14 is arranged in the connecting pipe 6, buffering of the oxygen can be realized, periodical surge is prevented, the shunt pipe 7 is arranged, two ends of the shunt pipe 7 are respectively provided with the first sealing plate 18 and the second sealing plate 23, blocking of the oxygen can be realized, the first sealing plate 18 is used for blocking the gas input end of the shunt pipe 7, the second sealing plate 23 is used for blocking the gas output end of the shunt pipe 7, the baffle plate 17 is arranged at the lower part of the first sealing plate 18, the first sealing plate 18 can be adjusted through the impact of the oxygen, so that the oxygen can enter the shunt pipe 7, the second barometric detector 8 is used for judging whether air leakage exists or not by combining the first barometric detector 5, and when the air pressure is overlarge, the second sealing plate 23 is pushed away to realize converging, and the oxygen after converging combines with the oxygen after slow flow, so that the gradual surge can be kept, the gradual surge can not occur, stable and gradual output is realized, the threaded rod is connected to the gas pipe 2, the rotating hand wheel 35 is fixedly arranged at the top end of the threaded rod, the valve is arranged in the gas pipe 2 and fixedly connected with the threaded rod, the setting of the rotating hand wheel 35 can realize driving the threaded rod and the valve to rotate, further realize controlling and adjusting the output of oxygen, the end part of the insertion pipe 11 is provided with the sealing ring connecting groove 26, the inner clamping of the sealing ring connecting groove 26 is connected with the rubber sealing ring 27, the end parts of the rubber sealing ring 27 are respectively attached to the inner walls of the insertion pipe 11 and the gas outlet nozzle 3 or the connecting pipe 6, the setting of sealing washer spread groove 26 and rubber seal 27 can prevent that oxygen from leaking from the junction of insert pipe 11, realizes sealed protection, the block groove 28 has been seted up respectively to the both ends of atmospheric pressure detection pipe 4, give vent to anger mouth 3 with the tip of connecting pipe 6 is equipped with block head 29 respectively, block head 29 block respectively connects the inside of block groove 28, the setting of block groove 28 and block head 29 can make the connection between atmospheric pressure detection pipe 4 and give vent to anger mouth 3 and connecting pipe 6 can seal, prevents that oxygen from leaking.
Referring to fig. 5, a flow retarding pipe 14 is disposed in the connecting pipe 6, a first sealing plate 18 is movably connected to a joint between the connecting pipe 6 and one end of the shunt pipe 7, a flow blocking plate 17 is fixedly connected to a lower portion of the first sealing plate 18, a connecting rod 16 is fixedly connected to one side of the flow blocking plate 17, a connecting block 15 is connected to the connecting rod 16 through a pin shaft, an end of the connecting block 15 is fixedly connected to an inner wall of the connecting pipe 6, a second sealing plate 23 is movably connected to a joint between the connecting pipe 6 and the other end of the shunt pipe 7, a telescopic rod 21 is fixedly connected to a lower end of the second sealing plate 23, a lower end of the telescopic rod 21 is movably connected to an inner portion of a telescopic cylinder 20, the telescopic cylinder 20 is fixedly mounted on the inner wall of the connecting pipe 6, a telescopic spring 22 is sleeved on an outer side of the telescopic rod 21 and the telescopic cylinder 20, and two ends of the telescopic spring 22 are respectively connected to the second sealing plate 23 and the inner wall of the connecting pipe 6; the first sealing plate 18 and the second sealing plate 23 are respectively sleeved with a silica gel sealing pad 24, the silica gel sealing pads 24 are in fit connection with the inner wall of the shunt tube 7, the extension springs 22 and the tension springs 19 drive the second sealing plate 23 and the first sealing plate 18 to seal the gas output end and the gas input end of the shunt tube 7 through elasticity, the setting of the silica gel sealing pads 24 can enable the first sealing plate 18 and the second sealing plate 23 to move conveniently and protect safety when being connected to the inner wall of the shunt tube 7, one side of the flow baffle 17 is fixedly connected with the tension springs 19, the other end of the tension springs 19 is fixedly connected with the positioning plate 25, the positioning plate 25 is fixedly connected with the inner wall of the connecting tube 6, the setting of the tension springs 19 enables the flow baffle 17 to move open when being impacted by oxygen, and rebound is achieved when the impact is weakened, and the first sealing plate 18 can plug the inlet of the shunt tube 7 again.
In this embodiment, a connecting arc plate 32 is welded on one side of the moving base 30, two stand columns 33 are fixedly connected to the connecting arc plate 32 through fixing bolts, the setting of the connecting arc plate 32 is convenient for realizing that the stand columns 33 move the base 30 for fixing connection, two end parts of the stand columns 33 are respectively fixedly provided with a handle 34, an anti-slip rubber sleeve is sleeved on the handle 34, the setting of the handle 34 is convenient for pushing, the oxygen tank 1 is convenient for moving, the setting of the protective rubber sleeve prevents the hand from holding and sliding, and can keep hands, the threaded connection nuts 10 at two ends of the air pressure detection tube 4 are used for realizing threaded connection with the air outlet nozzle 3 and the connecting tube 6, the inner wall of the threaded connection nuts 10 is provided with a thread groove, the outer sides of the end parts of the air outlet nozzle 3 and the connecting tube 6 are also provided with a thread groove, and the setting of the threaded connection nuts 10 can enable the air pressure detection tube 4 to be stably and hermetically connected with the air outlet nozzle 3 and the connecting tube 6, and prevent falling.
When specifically setting up, the inner wall of slow flow pipe 14 sets up into the wave, the upper end of slow flow pipe 14 is provided with backward flow impact recess 36, the lower extreme of slow flow pipe 14 is equipped with gentle wave recess 37, gentle wave recess 37 with backward flow impact recess 36 is corresponding, and the setting of gentle wave recess 37 in slow flow pipe 14 can make oxygen carry out through carrying, and backward flow impact recess 36 can realize carrying out backward flow impact buffering to the oxygen, and cooperation shunt tubes 7 can balance oxygen output, prevents the output periodic surge of oxygen.
Specifically, the working principle of the oxygen injection equipment for the coal calorific value detection workstation is as follows: during the use, realize carrying out the removal through moving base 30 and universal wheel 31 and adjust oxygen jar 1, then rotate rotatory hand wheel 35 and realize exporting oxygen, and oxygen is discharged through air outlet nozzle 3, then oxygen enters into atmospheric pressure detector tube 4, realize detecting atmospheric pressure through first atmospheric pressure detector 5, and when oxygen is carried to the connecting pipe 6 inside, oxygen strikes baffle 17, make baffle 17 rotate, and then make first closing plate 18 break away from the entry of shunt tubes 7, make oxygen enter into the inside of shunt tubes 7, then realize detecting atmospheric pressure through second atmospheric pressure detector 8, and when atmospheric pressure is great, dash out the seal of second closing plate 23, make the oxygen in the shunt tubes 7 flow into in connecting pipe 6 and export, and be equipped with in the connecting pipe 6 and slow flow pipe 14, can realize buffering the output of oxygen, the oxygen that flows through slow flow pipe 14 and shunt tubes 7 mixes, realize stable output, can not have the step surge phenomenon to take place.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. Oxygen injection equipment for coal calorific value detection workstation is characterized by comprising
The device comprises an oxygen tank (1), wherein a movable base (30) is fixedly arranged at the bottom of the oxygen tank (1), and four groups of universal wheels (31) are welded at equal angles at the bottom of the movable base (30);
the oxygen tank is characterized in that the upper end of the oxygen tank (1) is fixedly communicated with the gas pipe (2), one side of the gas pipe (2) is fixedly communicated with the gas outlet nozzle (3), the gas outlet nozzle (3) is fixedly connected with the gas pressure detection pipe (4), the gas pressure detection pipe (4) is provided with the first gas pressure detector (5), one end of the gas pressure detection pipe (4) is connected with the connecting pipe (6), the connecting pipe (6) is provided with the shunt pipe (7), and the shunt pipe (7) is connected with the second gas pressure detector (8);
the air pressure detecting device is characterized in that limit grooves (9) are formed in the outer portions of two ends of the air pressure detecting tube (4), threaded connecting nuts (10) are movably connected in the limit grooves (9), inserting tubes (11) are fixedly connected to the two ends of the inner wall of the air pressure detecting tube (4), clamping grooves (12) are formed in the ends of the air outlet nozzle (3), the connecting tube (6) and the inserting tubes (11), limit rings (13) are movably connected in the clamping grooves (12) of the air outlet nozzle (3) and the connecting tube (6), and the limit rings (13) are movably clamped in the clamping grooves (12) of the inserting tubes (11);
the inside of connecting pipe (6) is equipped with slow flow pipe (14), connecting pipe (6) with the one end junction swing joint of shunt tubes (7) has first closing plate (18), the lower part fixedly connected with of first closing plate (18) keeps off flow board (17), one side fixedly connected with connecting rod (16) of keeping off flow board (17), be connected with connecting block (15) through the round pin hub on connecting rod (16), the tip fixed connection of connecting block (15) is in on the inner wall of connecting pipe (6), connecting pipe (6) with the other end junction swing joint of shunt tubes (7) has second closing plate (23), first closing plate (18) realize to the shutoff of the gas input end of shunt tubes (7), the lower extreme fixedly connected with telescopic link (21) of second closing plate (23), the lower extreme swing joint of telescopic link (21) is in the inside of telescopic link (20), telescopic link (20) are installed fixedly in telescopic link (20) are in telescopic link (20), the two ends of the telescopic spring (22) are respectively connected to the second sealing plate (23) and the inner wall of the connecting pipe (6), one side of the flow blocking plate (17) is fixedly connected with a tension spring (19), the other end of the tension spring (19) is fixedly connected with a positioning plate (25), and the positioning plate (25) is fixedly connected to the inner wall of the connecting pipe (6).
2. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein a connecting arc plate (32) is welded on one side of the movable base (30), and two stand columns (33) are fixedly connected to the connecting arc plate (32) through fixing bolts.
3. The oxygen injection device for the coal calorific value detection workstation according to claim 2, wherein handles (34) are fixedly installed at the end parts of the two upright posts (33), and an anti-slip rubber sleeve is sleeved on the handles (34).
4. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein a threaded rod is connected to the gas pipe (2) in a threaded manner, a rotary hand wheel (35) is fixedly arranged at the top end of the threaded rod, a valve is arranged in the gas pipe (2), and the valve is fixedly connected with the threaded rod.
5. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein a sealing ring connecting groove (26) is formed at the end part of the insertion pipe (11), a rubber sealing ring (27) is connected in a clamping manner in the sealing ring connecting groove (26), and the end parts of the rubber sealing ring (27) are respectively attached to the inner walls of the insertion pipe (11) and the air outlet nozzle (3) or the connecting pipe (6).
6. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein the two ends of the air pressure detection tube (4) are respectively provided with a clamping groove (28), the end parts of the air outlet nozzle (3) and the connecting tube (6) are respectively provided with a clamping head (29), and the clamping heads (29) are respectively connected in a clamping way in the clamping grooves (28).
7. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein the first sealing plate (18) and the second sealing plate (23) are respectively sleeved with a silica gel sealing pad (24), the silica gel sealing pads (24) are connected to the inner wall of the shunt tube (7) in a fitting mode, and the expansion springs (22) and the tension springs (19) drive the second sealing plate (23) and the first sealing plate (18) to seal the gas output end and the gas input end of the shunt tube (7) through elasticity.
8. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein the threaded connection nuts (10) at two ends of the air pressure detection pipe (4) are used for realizing threaded connection with the air outlet nozzle (3) and the connecting pipe (6), the inner wall of the threaded connection nuts (10) is provided with a thread groove, and the outer sides of the end parts of the air outlet nozzle (3) and the connecting pipe (6) are also provided with a thread groove.
9. The oxygen injection device for the coal calorific value detection workstation according to claim 1, wherein the inner wall of the slow flow pipe (14) is provided with a wave shape, the upper end of the slow flow pipe (14) is provided with a backflow impact groove (36), the lower end of the slow flow pipe (14) is provided with a gentle wave groove (37), and the gentle wave groove (37) corresponds to the backflow impact groove (36).
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