CN106621145A - Open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher - Google Patents
Open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher Download PDFInfo
- Publication number
- CN106621145A CN106621145A CN201710048203.1A CN201710048203A CN106621145A CN 106621145 A CN106621145 A CN 106621145A CN 201710048203 A CN201710048203 A CN 201710048203A CN 106621145 A CN106621145 A CN 106621145A
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- Prior art keywords
- spray
- water
- spray boom
- anger
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention provides an open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher. The water mist fire extinguisher comprises a compressed air pipeline, a water supply pipeline, a first electromagnetic valve, a second electromagnetic valve, a compressed air-water premixer, a self-rotating housing, a plurality of L-shaped bent spray booms and a plurality of compressed air-water nozzles, wherein the compressed air pipeline and the water supply pipeline are respectively connected to an air inlet pipe and a water inlet pipe of the compressed air-water premixer; an outlet end of the compressed air-water premixer is connected with the self-rotating housing; the L-shaped bent spray booms are arranged on the self-rotating housing; and the compressed air-water nozzles are arranged at a bottom end of the self-rotating housing and on the L-shaped bent spray booms. The water mist fire extinguisher provided by the invention lowers the system requirements; a water supply system uses low-pressure water for normal fire-fighting water supply; the bore diameter of the compressed air-water nozzles is increased, so that the compressed air-water nozzles are not easy to block and the water quality requirements are reduced; and compared with the existing high-pressure water mist, the water mist generated by the water mist fire extinguisher has smaller and more uniform particle diameters, a larger effective action range and a better fire extinguishing effect.
Description
Technical field
The present invention relates to extinguishing device, more particularly to a kind of open type is calmed the anger and low pressure water premix spinning fine mist fire-fighting is filled
Put.
Background technology
Fine mist fire-fighting has many superiority, and such as extinguishing mechanism is advanced, and fire extinguishing scope is wide；Cooling effectiveness is high, screen
Cover heat radiation；To equipment without damage, environmentally safe；Flue dust and poison gas can be partially absorbed；Fine water mist fire-extinguishing system runs into
This is low, easy to maintenance.Therefore, fine mist fire-fighting is at present in the world using a kind of high-efficiency water-saving, environmental protection widely
Fire extinguishing system, be to meet《Montreal Agreement book》Substitute the fire-fighting regeneration product for breathing out dragon, alternative extinction using gas, water spray
And water sprinkler system.
However, at present fine mist fire-fighting mainly adopts heavy pressure fine spray, although having the advantages that fine mist fire-fighting, exist
The operating pressure of the pipeline of many problems, such as high-pressure system, nozzle, accessory and water pump is very high, and cost is relatively expensive；Will to water quality
Ask very high, and require absolute stability, if water quality is poor, spray nozzle clogging can be caused, can not only affect the performance of nozzle, can also be right
Nozzle causes to damage；At present our high-pressure water mist spray heads of country's production can not all meet design requirement, can not be used for protecting
Valuable archives of paper quality that shield can not make moist etc..
The content of the invention
For Shortcomings in prior art, the invention provides the open type that a kind of employing low pressure water supplies water is calmed the anger and low pressure
Water premixes spinning fine spray extinguisher, and the device is reduced to water quality requirement, and nozzle is not easily blocked.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of open type to be calmed the anger and premix spinning fine spray extinguisher, including compressed air line, feed pipe with low pressure water
Road, the first magnetic valve, the second magnetic valve, water premixed device of calming the anger, automatic rotational shell, multiple L-types bending spray boom and multiple calm the anger
(operating) water nozzle；
The water premixed device of calming the anger including suction line, trunnion and anemostat, the two ends of the trunnion respectively with suction line and
One end connection of anemostat, the other end of the suction line is provided with air inlet pipe, and one end of the air inlet pipe is inlet end, air inlet pipe
The other end be nozzle, and in suction line；The side of most suction lines is provided with water inlet pipe, and the water inlet pipe is located at inlet end
And nozzle between, the other end of the anemostat is the port of export of water premixed device of calming the anger；The inlet end and compressed air line
Connection, the water inlet pipe is connected with supply channel, and the compressed air line is provided with the first magnetic valve, on the supply channel
It is provided with the second magnetic valve；
The automatic rotational shell is the hollow circular tube of one end closing, and the other end of the pipe is determined by pressure mixing wastewater with air
Pipe is connected with the port of export of water premixed device of calming the anger；
The L-type bending spray boom includes A sections spray boom and B section spray booms, one end of the A sections spray boom and one end of B section spray booms
Connection, the other end of A section spray booms is connected with tube wall, and the other end of B section spray booms is connected with a (operating) water nozzle of calming the anger, the B
Angle α between section spray boom and the central axis of A section spray booms is 95 °～160 °, and the A sections spray boom is constituted with pipe central axis
Plane and the central axis of B section spray booms between angle be 0 °～75 °；
The tube wall along the circumferential direction uniformly bends spray boom and is connected with multiple L-types, blind end and the sector of semi-circular tube
Nozzle is connected.
Preferably, the tube wall is circumferentially uniformly provided with multiple first internal thread holes, the number of the internal thread hole
Identical with the number that L-type bends spray boom, the other end of the A section spray booms of the L-type bending spray boom is provided with matches somebody with somebody with the first internal thread hole
The external screw thread of conjunction, the A sections spray boom of L-type bending spray boom is connected by nut and threaded connection with tube wall；
Place is provided with the second internal thread hole on the blind end end face of the pipe, the (operating) water nozzle of calming the anger be provided with second in
The external screw thread that screwed hole coordinates, (operating) water nozzle of calming the anger is threaded connection and is connected with hemispherical shell.
Preferably, including 4 L-types bend spray booms, respectively the first L-type bending spray boom, the second L-type bending spray boom, the 3rd L
Type bends spray boom and the 4th L-type bending spray boom, the folder between the B sections spray boom and A section spray boom central axis of the first L-type bending spray boom
Angle α1For 95 °～100 °, the second L-type bends the angle α between the B sections spray boom and A section spray boom central axis of spray boom2For 115 °～
120 °, the angle α between the B sections spray boom and A section spray boom central axis of the 3rd L-type bending spray boom3For 135 °～140 °, the 4th L
Angle α between the B sections spray boom and A section spray boom central axis of type bending spray boom4For 155 °～160 °.
Preferably, including 6 L-types bend spray booms, respectively the first L-type bending spray boom, the second L-type bending spray boom, the 3rd L
Type bending spray boom, the 4th L-type bending spray boom, the 5th L-type bending spray boom and the 6th L-type bending spray boom, the first L-type bending spray boom
Angle α between B sections spray boom and A section spray boom central axis1For 95 °～100 °, the second L-type bends the B sections spray boom and A sections of spray boom
Angle α between spray boom central axis2For 107 °～112 °, the 3rd L-type bends the B sections spray boom and A section spray boom central shafts of spray boom
Angle α between line3For 119 °～124 °, the 4th L-type bends the folder between the B sections spray boom and A section spray boom central axis of spray boom
Angle α4For 131 °～136 °, the 5th L-type bends the angle α between the B sections spray boom and A section spray boom central axis of spray boom5For 143 °～
148 °, the angle α between the B sections spray boom and A section spray boom central axis of the 6th L-type bending spray boom6For 155 °～160 °.
Preferably, it is described to calm the anger (operating) water nozzle for solid conical nozzle, the effective aperture 2 of the spray orifice of the solid conical nozzle
2～the 4mm of effective aperture of the spray orifice C of fan nozzle described in～4mm.
Preferably, a diameter of 15～32mm of the air inlet pipe, the spray orifice D of the nozzle is 2～7mm, the water inlet pipe
A diameter of 2～7mm, circumferencial direction is tangentially intake.
Preferably, the pipe is connected with one end of pressure mixing wastewater with air fixed tube, the other end of the pressure mixing wastewater with air fixed tube
It is connected using rotating seal and locknut with the port of export of water premixed device of calming the anger, the rotating seal is O-ring seal or fan
Palace sealing ring
Preferably, to open up 0.5～1.5mm equivalent along rolling tangential direction straight for the other end end of the B sections spray boom
It is connected with a (operating) water nozzle of calming the anger after the aperture in footpath.
Preferably, one end of the pipe is closed using hemispherical shell or plane, the diameter of the hemispherical shell with
The diameter of pipe is identical.
Beneficial effects of the present invention：
1) present invention is reduced to system requirements, and water system is the low pressure water of normal fire fighting supply,；
2) aperture increases of (operating) water nozzle of calming the anger of the invention, (operating) water nozzle of calming the anger is not easily blocked, and water quality requirement is reduced；
3) than existing heavy pressure fine spray more carefully, evenly, effective range is bigger for the water mists particle diameter that the present invention is produced,
Extinguishing effect is more preferably.
Description of the drawings
Fig. 1 calms the anger for open type of the present invention and premix spinning fine spray extinguisher structural representation with low pressure water.
Fig. 2 is that L-type of the present invention bends boom structure schematic diagram.
Fig. 3 is water premixer structure schematic diagram of calming the anger of the present invention.
Fig. 4 is fan nozzle schematic diagram of the present invention.
Fig. 5 is automatic rotation shell mechanism of the present invention and connection diagram.
Wherein：
1. mixing wastewater with air fixed tube is pressed；2. rotational shell；3.A section spray booms；4. fan nozzle；5.B section spray booms；6. compressed air
The magnetic valve of pipeline 7. first；8. low pressure water pipe；9. the second magnetic valve；10. calm the anger water premixed device；11. locknuts；12. nuts；13.
Suction line；14. trunnions；15. anemostats；16. air inlet pipe；17. inlet ends；18. nozzles；19. water inlet pipes；20. spray orifice C；21. sprays
Hole D.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, a kind of open type of the present invention is calmed the anger premix spinning fine spray extinguisher, bag with low pressure water
Include compressed air line 6, supply channel 8, the first magnetic valve 7, the second magnetic valve 9, water premixed device 10 of calming the anger, automatic rotational shell
2nd, 4 L-type bending spray booms and 4 solid conical nozzles.
The water premixed device 10 of calming the anger is including suction line 13, trunnion 14 and anemostat 15, the end one of the suction line 13
Section pipeline diameter be gradually reduced, end minimum diameter is identical with the diameter of trunnion 14, the diameter of suction line 13 minimum one end and larynx
One end connection of pipe 14, the anemostat 15 gradually increases from one end end diameter, the minimum one end of the diameter of anemostat 15 and larynx
The other end connection of pipe 14.
The other end of the suction line 13 is provided with air inlet pipe 16, and one end of the air inlet pipe 16 is inlet end 17, air inlet pipe
16 other end is nozzle 18, and in suction line；The side of most suction lines 13 is provided with water inlet pipe 19, the water inlet pipe 19
Between inlet end 17 and nozzle 18, the other end of the anemostat 15 is the port of export of water premixed device 10 of calming the anger；It is described enter
A diameter of 15～the 32mm of tracheae 16, the spray orifice D21 of the nozzle 18 are 2～7mm, a diameter of 2～7mm of the water inlet pipe 19,
Circumferencial direction is tangentially intake, and the inlet end 17 is connected with compressed air line 6, and the water inlet pipe 19 is connected with supply channel 8,
The compressed air line 6 is provided with the first magnetic valve 7, and the supply channel 8 is provided with the second magnetic valve 9.
The automatic rotational shell 2 includes pipe and hemispherical shell, and the pipe is identical with the diameter of hemispherical shell,
One end of pipe is connected and integrally formed with hemispherical shell, and the hemispherical shell apex is provided with the second internal thread hole, fan
Shape nozzle is provided with the external screw thread coordinated with the second internal thread hole, and fan nozzle is threaded connection and is connected with hemispherical shell,
2～the 4mm of effective aperture of the spray orifice C20 of the fan nozzle；The other end of pipe connects with one end of pressure mixing wastewater with air fixed tube 1
Connect, the other end for pressing mixing wastewater with air fixed tube 1 is connected using O-ring seal and locknut 11 with the port of export of water premixed device 10 of calming the anger.
L-type bending spray boom includes A sections spray boom 3 and B sections spray boom 5, one end of the A sections spray boom 3 and B sections spray boom 5
One end connection is simultaneously integrally formed, and it is straight that the other end end of B sections spray boom 5 opens up 0.5～1.5mm equivalent along rolling tangential direction
It is connected with a solid conical nozzle after the aperture in footpath, the other end end of B sections spray boom 5 opens up one along rolling tangential direction
The aperture of 0.5～1.5mm equivalent diameters be in order to realize preferably automatically rotation, the spray orifice of the solid conical nozzle it is equivalent
2～4mm of aperture, the angle between the B sections spray boom 5 and the central axis of A sections spray boom 3 is α, in the A sections spray boom 3 and pipe
Angle between the plane and the central axis of B sections spray boom 5 of heart axis composition is 0 °～75 °.
4 L-types bend spray boom, respectively the first L-type bending spray boom, the second L-type bending spray boom, the 3rd L-type bending spray boom
Spray boom, the angle α between the first L-type bending spray boom B sections spray boom 5 and the central axis of A sections spray boom 3 are bent with the 4th L-type1For 95 °
～100 °, the angle α between the second L-type bending spray boom B sections spray boom 5 and the central axis of A sections spray boom 32For 115 °～13 °, the 3rd L
Angle α between type bending spray boom B sections spray boom 5 and the central axis of A sections spray boom 33For 135 °～140 °, the 4th L-type bends spray boom B
Angle α between section spray boom 5 and the central axis of A sections spray boom 34For 155 °～160 °.
The tube wall is circumferentially uniformly provided with 4 the first internal thread holes, and the other end of A sections spray boom 3 is provided with and first
The external screw thread that internal thread hole coordinates, the A sections spray boom 3 of L-type bending spray boom is connected by nut 12 and threaded connection with tube wall.
The course of work of the present invention：
Using front, in the place that needs are put out a fire, compressed air line 6 and normal fire fighting supply pipeline 8 are laid, used
When the first magnetic valve 7 and the second magnetic valve 9 are installed on compressed air line 6 and normal fire fighting supply pipeline 8, then will compression
Air pipe line 6 and normal fire fighting supply pipeline 8 are connected respectively with the inlet end 17 and water inlet pipe 19 of water premixed device 10 of calming the anger.
Under normal circumstances, the compressed air line 6 before the first magnetic valve 7 is full of compressed air, before the second magnetic valve 9
Fire fighting supply pipeline 6 be full of normal pipe network low pressure water, the first magnetic valve 7 and the second magnetic valve 9 are connected with fire detecting system,
Fire detecting system is connected to after fire signal, and the first magnetic valve 7 and the second magnetic valve 9 are opened, and compressed air and fire water are simultaneously
Into calming the anger, water premixed device 10 mixes, and mixing wastewater with air liquid bends solid conical nozzle and hemispherical shell end on spray boom from L-type
The fan nozzle in face sprays, and the reaction force sprayed using air water so that rotational shell and L-type spray boom rotate automatically, so as to
Form the automatic rotating spraying of air water so that more carefully, evenly, sphere of action is wider, and extinguishing effect becomes apparent from for water mists.
The embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of the flesh and blood of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (9)
1. a kind of open type to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that including compressed air hose
Road (6), supply channel (8), the first magnetic valve (7), the second magnetic valve (9), calm the anger water premixed device (10), automatic rotational shell
(2), multiple L-type bending spray booms and multiple (operating) water nozzles of calming the anger；
The water premixed device (10) of calming the anger including suction line (13), trunnion (14) and anemostat (15), the two of the trunnion (14)
End is connected respectively with one end of suction line (13) and anemostat (15), and the other end of the suction line (13) is provided with air inlet pipe
(16), one end of the air inlet pipe (16) is inlet end (17), and the other end of air inlet pipe (16) is nozzle (18), and positioned at suction
In pipe；The side of the suction line (13) is provided with water inlet pipe (19), and the water inlet pipe (19) is positioned at inlet end (17) and nozzle
(18) between, the other end of the anemostat (15) is the port of export of water premixed device (10) of calming the anger；The inlet end (17) and pressure
Contracting air pipe line (6) connects, and the water inlet pipe (19) is connected with supply channel (8), and the compressed air line (6) is provided with the
One magnetic valve (7), the supply channel (8) is provided with the second magnetic valve (9)；
The hollow circular tube that the automatic rotational shell (2) is closed for one end, the other end of the pipe is determined by pressure mixing wastewater with air
Pipe (1) is connected with the port of export of water premixed device (10) of calming the anger；
The L-type bending spray boom includes A section spray booms (3) and B section spray booms (5), one end of the A sections spray boom (3) and B section spray booms
(5) one end connection, the other end of A section spray booms (3) is connected with tube wall, the other end of B section spray booms (5) and a water of calming the anger
Nozzle connects, and the angle α between the B sections spray boom (5) and the central axis of A section spray booms (3) is 95 °～160 °, the A sections spray
Angle between bar (3) and the plane and the central axis of B section spray booms (5) of pipe central axis composition is 0 °～75 °；
The tube wall along the circumferential direction uniformly bends spray boom and is connected with multiple L-types, blind end and the fan nozzle phase of pipe
Connection.
2. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
The tube wall is circumferentially uniformly provided with multiple first internal thread holes, the number of the internal thread hole and L-type bending spray boom
Number is identical, and the other end of A section spray booms (3) of the L-type bending spray boom is provided with the external screw thread coordinated with the first internal thread hole, L
A section spray booms (3) of type bending spray boom is connected by nut (12) and threaded connection with tube wall；
The blind end end face of the pipe is provided with the second internal thread hole, and the (operating) water nozzle of calming the anger is provided with and the second internal thread hole
The external screw thread of cooperation, (operating) water nozzle of calming the anger is threaded connection and is connected with hemispherical shell.
3. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
Including 4 L-types bending spray booms, respectively the first L-type bending spray boom, the second L-type bending spray boom, the 3rd L-type bending spray boom and the
Four L-types bend spray boom, the angle α between B section spray booms (5) and A section spray boom (3) central axis of the first L-type bending spray boom1For
95 °～100 °, the angle α between B section spray booms (5) and A section spray boom (3) central axis of the second L-type bending spray boom2For 115 °～
120 °, the angle α between B section spray booms (5) and A section spray boom (3) central axis of the 3rd L-type bending spray boom3For 135 °～140 °,
Angle α between B section spray booms (5) and A section spray boom (3) central axis of the 4th L-type bending spray boom4For 155 °～160 °.
4. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
Including 6 L-types bending spray booms, respectively the first L-type bending spray boom, the second L-type bending spray boom, the 3rd L-type bending spray boom, the 4th
L-type bending spray boom, the 5th L-type bending spray boom and the 6th L-type bending spray boom, B section spray booms (5) and A sections of the first L-type bending spray boom
Angle α between spray boom (3) central axis1For 95 °～100 °, the second L-type bends B section spray booms (5) and A section spray booms of spray boom
(3) angle α between central axis2For 107 °～112 °, in B section spray booms (5) and A section spray booms (3) of the 3rd L-type bending spray boom
Angle α between heart axis3For 119 °～124 °, the 4th L-type bends B section spray booms (5) and A section spray boom (3) central shaft of spray boom
Angle α between line4For 131 °～136 °, B section spray booms (5) and A section spray boom (3) central axis of the 5th L-type bending spray boom it
Between angle α5For 143 °～148 °, between B section spray booms (5) and A section spray boom (3) central axis of the 6th L-type bending spray boom
Angle α6For 155 °～160 °.
5. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
It is described to calm the anger (operating) water nozzle for solid conical nozzle, the 2～4mm of effective aperture of the spray orifice of the solid conical nozzle.The sector
2～the 4mm of effective aperture of the spray orifice C (20) of nozzle.
6. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
A diameter of 15～the 32mm of the air inlet pipe (16), the spray orifice D (21) of the nozzle is 2～7mm, the diameter of the water inlet pipe (19)
For 2～7mm, circumferencial direction is tangentially intake.
7. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
The pipe is connected with one end of pressure mixing wastewater with air fixed tube (1), and the other end of pressure mixing wastewater with air fixed tube (1) is pre- with water of calming the anger
The port of export of mixed device (10) is connected using rotating seal and locknut (11), and the rotating seal is O-ring seal or labyrinth
Sealing ring.
8. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
The other end end of the B sections spray boom (5) along rolling tangential direction open up after the aperture of 0.5～1.5mm equivalent diameter with
One (operating) water nozzle connection of calming the anger.
9. open type according to claim 1 to be calmed the anger and premix spinning fine spray extinguisher with low pressure water, it is characterised in that
One end of the pipe is closed using hemispherical shell or plane, and the diameter of the hemispherical shell is identical with the diameter of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048203.1A CN106621145A (en) | 2017-01-21 | 2017-01-21 | Open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048203.1A CN106621145A (en) | 2017-01-21 | 2017-01-21 | Open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621145A true CN106621145A (en) | 2017-05-10 |
Family
ID=58842121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710048203.1A Pending CN106621145A (en) | 2017-01-21 | 2017-01-21 | Open-type compressed air and low-pressure water premixed self-rotating water mist fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106621145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005706A (en) * | 2017-10-16 | 2018-05-08 | 山东科技大学 | A kind of gas for preventing spontaneous combustion in goaf helps formula spraying device |
| CN112972939A (en) * | 2021-03-05 | 2021-06-18 | 四川秦巴电气有限责任公司 | Power distribution room |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597135A (en) * | 2003-09-15 | 2005-03-23 | 张文俊 | Multifunction moving type spray equipment |
| CN101905201A (en) * | 2010-07-09 | 2010-12-08 | 中冶京诚工程技术有限公司 | Novel spraying nozzle without air-resistance and spray forming method thereof |
| CN205128238U (en) * | 2015-11-25 | 2016-04-06 | 安徽理工大学 | Novel wide angle turbulent flow atomizer |
-
2017
- 2017-01-21 CN CN201710048203.1A patent/CN106621145A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597135A (en) * | 2003-09-15 | 2005-03-23 | 张文俊 | Multifunction moving type spray equipment |
| CN101905201A (en) * | 2010-07-09 | 2010-12-08 | 中冶京诚工程技术有限公司 | Novel spraying nozzle without air-resistance and spray forming method thereof |
| CN205128238U (en) * | 2015-11-25 | 2016-04-06 | 安徽理工大学 | Novel wide angle turbulent flow atomizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005706A (en) * | 2017-10-16 | 2018-05-08 | 山东科技大学 | A kind of gas for preventing spontaneous combustion in goaf helps formula spraying device |
| CN112972939A (en) * | 2021-03-05 | 2021-06-18 | 四川秦巴电气有限责任公司 | Power distribution room |
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Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |