CN103657894A - Atomizing nozzle for urea-pyrolysis ammonia preparation process and solution atomizing device - Google Patents
Atomizing nozzle for urea-pyrolysis ammonia preparation process and solution atomizing device Download PDFInfo
- Publication number
- CN103657894A CN103657894A CN201310656417.9A CN201310656417A CN103657894A CN 103657894 A CN103657894 A CN 103657894A CN 201310656417 A CN201310656417 A CN 201310656417A CN 103657894 A CN103657894 A CN 103657894A
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- Prior art keywords
- atomizer
- spray
- nozzle
- spray gun
- atomizing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
- B05B7/045—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber the gas and liquid flows being parallel just upstream the mixing chamber
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/08—Preparation of ammonia from nitrogenous organic substances
- C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
Abstract
The invention discloses an atomizing nozzle for a urea-pyrolysis ammonia preparation process. The atomizing nozzle comprises a nozzle body, a cavity arranged in the nozzle body, a plurality of spraying holes distributed in the side wall of the spraying end of the nozzle body. The spraying holes are respectively communicated with the cavity, and the angle between each spraying hole and the central axis of the nozzle body is smaller than 60 degrees. Due to the fact that the atomizing nozzle is provided with the gas-liquid mixing cavity and the angle between each spraying hole and the axis of the atomizing nozzle is decreased, the spraying covering radius of the atomizing nozzle is reduced, and crystallization caused when atomized liquid is sprayed to the inner wall of a pyrolysis device is avoided. In addition, the invention further discloses an atomizing device.
Description
Technical field
The present invention relates to flue gas urea denitration technology field, be specifically related to a kind of atomizer for urea pyrolysis Ammonia Process and liquor atomizer.
Background technology
In utilizing the actual motion of urea pyrolysis Ammonia Process, urea pyrolysis stove inwall and pyrolysis oven bottom all appearance in various degree crystallization, blockage problem, its main cause is that urea atomizing lance atomizing effect is poor, and the nozzle of atomizing lance does not reach actual design demand.Because nozzle coverage rate when spraying of atomizing lance is excessive, urea liquid can inject directly on pyrolysis oven inwall, forms low-temperature space and causes crystallization; If simultaneously in service at branched urea spray gun, the injection of each atomizing lance covers stack mutually and easily forms " intersect and cover " district, the fine drop being atomized in this region forms larger drop after mutually clashing into, merging, thus the generation of aggravation pyrolysis oven bottom crystal.In addition, the nozzle of existing atomizing lance lacks gas-liquid mixing region, or the volume of Mixed Zone is minimum, can greatly reduce the flow velocity of atomizing space tolerance when gas-liquid mixing, thereby reduces atomizing effect.
Summary of the invention
(1) technical problem that will solve
For overcoming the defect existing in above-mentioned prior art, the invention provides a kind of atomizer, its by gas-liquid mixing chamber is set and reduce spray-hole and atomizer axis between angle, to reduce the injection covering radius of atomizer, avoid spray film to be ejected into pyrolysis installation inwall and occur crystallization.In addition, the present invention also provides a kind of atomising device.
(2) technical scheme
For achieving the above object, the invention provides a kind of atomizer for urea pyrolysis Ammonia Process, it comprises: nozzle body; Be arranged on the chamber on nozzle body; And be laid in a plurality of spray-holes on nozzle body ejection end sidewall; Wherein said a plurality of spray-hole is communicated with described chamber respectively, and the angle between described a plurality of spray-hole and described nozzle body central axis is all less than 60 °.
Preferably, the diameter of described spray-hole is less than 2mm.
Preferably, the volume of described chamber is greater than 80mm
3.
Preferably, the angle of described a plurality of spray-hole and described nozzle body central axis is 53 °; The diameter of described spray-hole is 1.5mm; The volume of described chamber is 99.64mm
3.
Further, atomizer of the present invention also comprises: be arranged at least one on described nozzle body projection for being connected with outside spray gun.
Liquor atomizer of the present invention comprises the atomizer described in claim 1-5 any one; And the atomizing lance being connected with described atomizer; The spray gun keeper being connected with atomizing lance; For described atomizer is compacted to the nozzle compressing member on atomizing lance.
Preferably, described atomizing lance comprises: spray gun body, and it has inner chamber; Be arranged on the central tube in inner chamber, between its outer wall and described spray gun inner body wall, form clearance channel; Be separately positioned on liquid interface and the gas interface of spray gun body one end; Be arranged on the nozzle connection of the spray gun body other end; And be arranged on the showerhead base in nozzle connection; Wherein said atomizer is arranged on described nozzle connection.
Wherein, between described central tube outer wall and described spray gun inner body wall, form annular gas passageway.
Preferably, described spray gun keeper is locating flange.
Preferably, described nozzle compressing member is gland.
(3) beneficial effect
Compared with prior art, tool of the present invention has the following advantages:
1) atomizer of the present invention is set to be less than 60 ° by the angle between a plurality of spray-holes and nozzle body central axis, make the injection covering radius of atomizer be less than atomizer to the distance of pyrolysis oven inwall, avoided the crystallization of spray film at pyrolysis oven inwall; , dwindled after atomized spray radius meanwhile, while also further having avoided branched atomizing lance to move, easily formed the defect of intersection coverage rate simultaneously;
2) nozzle inside diameter of atomizer of the present invention is less than 2mm, the flow velocity that the design of little atomized spray hole makes gas-liquid two-phase flow pass through spray-hole greatly promotes, reach ultrasonic state, when two-phase flow body passes through spray-hole runner with supersonic speed state, the secondary of two-phase fluid mixes more abundant;
3) cavity volume of atomizer of the present invention is greater than 80mm
3, by increasing the dischargeable capacity of atomizer chamber, the atomizing space tolerance that enters chamber is enlarged markedly, thereby promoted the air velocity entering in atomizer, improved nebulization efficiency;
4) cavity volume of atomizer of the present invention is made as 99.64mm
3, the atomizer volume of comparable existing adapted increases 16.78mm
3, make the atomizing space tolerance that enters atomizer by existing 8～10Nm
3/ h is increased to 25～30Nm
3/ h, and the air initial flow rate that makes to enter in atomizer brings up to 553～663m/s by existing 177～221m/s, can reach the more than 2.5 times of existing nozzle flow velocity; A plurality of spray-holes and the angle between nozzle body central axis of atomizer are preferably 53 °, can make atomized spray radius be contracted to 0.4～0.45m by 0.6～0.8m, can practical requirement; The spray-hole of atomizer is preferably designed for Φ 1.5mm, gas-liquid two-phase flow can be brought up to 655～786m/s by the flow velocity of spray-hole by existing 118～147m/s, is about to atomized spray flow velocity and is increased to the more than 4.4 times of existing flow velocity;
5) atomizing lance of atomising device of the present invention is preferably a kind of interior hybrid two streaming injection apparatus, mounting center pipe in the inner chamber of atomizing lance, make to form clearance channel between central tube outer wall and spray gun inner body wall, compressed air is injected into the chamber of atomizer by clearance channel, guaranteed that atomizing air can have higher flow velocity, simultaneously with urea liquid can be fully, efficiently mix.
Accompanying drawing explanation
Fig. 1 is the structural representation of atomizer of the present invention;
Fig. 2 is along the cutaway view of A-A face shown in Fig. 1;
Fig. 3 is the structural representation of atomising device of the present invention;
Fig. 4 is the structural representation of atomizing lance shown in Fig. 3.
Description of reference numerals: 11-nozzle body; 12-chamber; 13-spray-hole; 14-projection; 2-atomizing lance; 21-spray gun body; 22-inner chamber; 23-central tube; 24-clearance channel; 25-liquid interface; 26-gas interface; 27-nozzle connection; 28-showerhead base; 3-spray gun keeper; 4-nozzle compressing member.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.It should be noted that, accompanying drawing is only for explaining the present invention, is to the schematically illustrating of the embodiment of the present invention, and can not be interpreted as limitation of the invention.
As Fig. 1, shown in Fig. 2, atomizer of the present invention comprises: nozzle body 11, on nozzle body 11, be provided with chamber 12, on nozzle body 11 ejection end sidewalls, be laid with a plurality of spray-holes 13, wherein a plurality of spray-holes 13 are communicated with chamber 12 respectively, and the angle between a plurality of spray-holes 13 and nozzle body 11 central axis is all less than 60 °, make the injection covering radius of atomizer be less than atomizer to the distance of pyrolysis oven inwall, can avoid spray film in the crystallization of pyrolysis oven inwall, simultaneously, dwindled after atomized spray radius, in the time of also can further avoiding branched urea spray gun to move, easily form the defect of intersection coverage rate simultaneously.
Particularly, a plurality of spray-holes 13 can be reduced to 53 ° with the angle of nozzle body 11 central axis, can make like this atomized spray radius by existing 0.6～0.8m, be contracted to 0.4～0.45m, practical requirement.The diameter of spray-hole 13 is less than 2mm, and the flow velocity that can make like this gas-liquid two-phase flow pass through spray-hole obtains larger lifting, can reach ultrasonic state, guarantees that the secondary mixing of gas-liquid two-phase flow body is more abundant, and atomizing effect is better.The diameter of spray-hole 13 can be preferably 1.5mm, gas-liquid two-phase flow can be brought up to 655～786m/s by the flow velocity of spray-hole 13 by existing 118～147m/s like this, atomized spray flow velocity can be increased to the more than 4.4 times of existing flow velocity.The volume of chamber 12 is greater than 80mm
3, by increasing the dischargeable capacity of atomizer chamber 12, can make the atomizing space tolerance that enters chamber 12 enlarge markedly, and then lifting enters the air velocity in atomizer, raising nebulization efficiency.The volume of chamber 12 can be preferably 99.64mm
3, like this atomizer volume than existing adapted is increased to 16.78mm
3, the atomizing air measurer that makes to enter atomizer has remarkable lifting (as by existing 8～10Nm
3/ h is increased to 25～30Nm
3/ h), and the air initial flow rate that makes to enter in atomizer by existing 177～221m/s, bring up to 553～663m/s.In addition, at least one projection 14 also can be set on nozzle body 11, for being connected with outside spray gun, this projection 14 can make projection or convex tendon etc.
As shown in Figure 3, Figure 4, liquor atomizer of the present invention comprises above-mentioned atomizer, and this atomising device also comprises atomizing lance 2, spray gun keeper 3 and nozzle compressing member 4 etc. in addition.Atomizing lance 2 is connected with atomizer.Atomizing lance 2 comprises: spray gun body 21, spray gun body 21 has inner chamber 22,22 li of inner chambers, central tube 23 is installed, between the inwall of the outer wall of central tube 23 and spray gun body 21, be formed with clearance channel 24, such as annular gas passageway, in one end of spray gun body 21, be respectively arranged with liquid interface 25 and gas interface 26, at spray gun body 21 other ends, be provided with nozzle connection 27, showerhead base 28 is installed in nozzle connection 27, and atomizer is arranged on nozzle connection 27; Spray gun keeper 3 is connected with atomizing lance 2, can be locating flange, for atomizing lance 2 is fixing; Nozzle compressing member 4, for atomizer being compacted to atomizing lance 2, is compacted on the nozzle connection 27 of atomizing lance 2, and nozzle compressing member 4 can be gland.
The specific works principle of atomizer of the present invention and atomising device is: atomizing lance 2 is usingd compressed air as power source, compressed air and urea liquid inject respectively in atomizing lance 2, and in the chamber 12(gas-liquid mixed chamber of atomizer) mix after, by the spray-hole 13 of atomizer, be fine drop and spray.Wherein, urea liquid is injected into chamber 12 by the central tube 23 in urea spray gun 2, and compressed air is injected into chamber 12 with the clearance channel 24 between the spray gun inner body wall of central tube 23 and atomizing lance.Solution-air two-phase flow tentatively mixes in the chamber 12 of atomizer, and the mixed flow spray-hole 13 of flowing through carries out atomized spray.In course of injection, because gas-liquid mixing stream flow velocity is higher, can produce larger frictional force with spray-hole 13 inwalls, the secondary that forms solution-air two-phase mixes, fully mix gas-liquid flow by ejecting after spray-hole 13, under the effect of expanding rapidly at compressed-air actuated volume, drop is atomized and is tiny vaporific.
Because urea liquid viscosity is higher, surface tension of liquid is larger, during the two-phase jet atomization device (atomizing lance 2 of the present invention) that mixes in adopting, exists injection flow velocity too low, and the drop that can cause atomized spray to go out is excessive.This programme is when carrying out the design of atomizer, preferably using and increase the flow velocity of atomized spray mixed flow as the solution that improves atomizing effect, according to the principle of " flow velocity of solution-air two-phase mixed flow is larger; the frictional force of generation is larger; the mixing of two-phase flow body is more abundant, and the droplet ejecting is less ".
Atomizer of the present invention is set to be less than 60 ° by the angle between a plurality of spray-holes 13 and nozzle body 11 central axis, make the injection covering radius of atomizer be less than atomizer to the distance of pyrolysis oven inwall, avoided the crystallization of spray film at pyrolysis oven inwall; , dwindled after atomized spray radius meanwhile, while also further having avoided branched atomizing lance 2 to move, easily formed the defect of intersection coverage rate simultaneously; Spray-hole 13 diameters of atomizer are less than 2mm, the flow velocity that 13 designs of little atomized spray hole make gas-liquid two-phase flow pass through spray-hole 13 greatly promotes, reach ultrasonic state, when two-phase flow body passes through spray-hole 13 runner with supersonic speed state, the secondary of two-phase fluid mixes more abundant; Chamber 12 volumes of atomizer are greater than 80mm
3, by increasing the dischargeable capacity of atomizer chamber 12, the atomizing space tolerance that enters chamber 12 is enlarged markedly, thereby promoted the air velocity entering in atomizer, improved nebulization efficiency; Chamber 12 volumes of atomizer are made as 99.64mm
3, the atomizer volume of comparable existing adapted increases 16.78mm
3, make the atomizing space tolerance that enters atomizer by existing 8～10Nm
3/ h is increased to 25～30Nm
3/ h, and the air initial flow rate that makes to enter in atomizer brings up to 553～663m/s by existing 177～221m/s, can reach the more than 2.5 times of existing nozzle flow velocity; Angle between a plurality of spray-holes 13 of atomizer and nozzle body 11 central axis is preferably 53 °, can make atomized spray radius be contracted to 0.4～0.45m by 0.6～0.8m, can practical requirement; The spray-hole 13 of atomizer is preferably designed for Φ 1.5mm, gas-liquid two-phase flow can be brought up to 655～786m/s by the flow velocity of spray-hole 13 by existing 118～147m/s, is about to atomized spray flow velocity and is increased to the more than 4.4 times of existing flow velocity.The atomizing lance 2 of atomising device of the present invention is preferably a kind of interior hybrid two streaming injection apparatus, 22 li of mounting center pipes 23 of inner chamber at atomizing lance 2, make to form clearance channel 24 between central tube 23 outer walls and spray gun body 21 inwalls, compressed air is injected into the chamber 12 of atomizer by clearance channel 24, guaranteed that atomizing air can have higher flow velocity, simultaneously with urea liquid can be fully, efficiently mix.
It should be noted that; although above the present invention is explained in detail; but the invention is not restricted to this; the interior perhaps principle that those of ordinary skills can record according to the present invention is modified; therefore the various modifications that, all interior perhaps principles of recording according to the present invention are carried out all should fall into protection scope of the present invention.
Claims (10)
1. for an atomizer for urea pyrolysis Ammonia Process, it is characterized in that, it comprises:
Nozzle body (11);
Be arranged on the chamber (12) on nozzle body (11); And
Be laid in a plurality of spray-holes (13) on nozzle body (11) ejection end sidewall; Wherein
Described a plurality of spray-hole (13) is communicated with described chamber (12) respectively, and the angle between described a plurality of spray-hole (13) and described nozzle body (11) central axis is all less than 60 °.
2. atomizer according to claim 1, is characterized in that, the diameter of described spray-hole (13) is less than 2mm.
3. atomizer according to claim 2, is characterized in that, the volume of described chamber (12) is greater than 80mm
3.
4. atomizer according to claim 3, is characterized in that, described a plurality of spray-holes (13) are 53 ° with the angle of described nozzle body (11) central axis; The diameter of described spray-hole (13) is 1.5mm; The volume of described chamber (12) is 99.64mm
3.
5. according to the atomizer described in claim 1-4 any one, it is characterized in that, it also comprises:
Be arranged at least one on described nozzle body (11) projection (14) for being connected with outside spray gun.
6. a liquor atomizer, is characterized in that, it comprises the atomizer described in claim 1-5 any one; And
The atomizing lance (2) being connected with described atomizer;
The spray gun keeper (3) being connected with atomizing lance (2);
For described atomizer is compacted to the nozzle compressing member (4) on atomizing lance (2).
7. liquor atomizer according to claim 6, is characterized in that, described atomizing lance (2) comprising:
Spray gun body (21), it has inner chamber (22);
Be arranged on the inner central tube (23) of inner chamber (22), between its outer wall and described spray gun body (21) inwall, form clearance channel (24);
Be separately positioned on liquid interface (25) and the gas interface (26) of spray gun body (21) one end;
Be arranged on the nozzle connection (27) of spray gun body (21) other end; And
Be arranged on the showerhead base (28) in nozzle connection (27); Wherein
Described atomizer is arranged on described nozzle connection (27).
8. liquor atomizer according to claim 7, is characterized in that, between described central tube (23) outer wall and described spray gun body (21) inwall, forms annular gas passageway.
9. according to the liquor atomizer described in claim 6-8 any one, it is characterized in that, described spray gun keeper (3) is locating flange.
10. according to the liquor atomizer described in claim 6-8 any one, it is characterized in that, described nozzle compressing member (4) is gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656417.9A CN103657894B (en) | 2013-12-06 | 2013-12-06 | Solution atomizing device for urea-pyrolysis ammonia preparation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656417.9A CN103657894B (en) | 2013-12-06 | 2013-12-06 | Solution atomizing device for urea-pyrolysis ammonia preparation process |
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|---|---|
| CN103657894A true CN103657894A (en) | 2014-03-26 |
| CN103657894B CN103657894B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310656417.9A Active CN103657894B (en) | 2013-12-06 | 2013-12-06 | Solution atomizing device for urea-pyrolysis ammonia preparation process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107678A (en) * | 2015-08-31 | 2015-12-02 | 重庆望变电气（集团）股份有限公司 | Environmentally friendly paint coating device |
| CN106493008A (en) * | 2016-12-08 | 2017-03-15 | 广西玉柴机器股份有限公司 | Cross bore urea nozzle |
| CN107497605A (en) * | 2017-09-28 | 2017-12-22 | 广东美的厨房电器制造有限公司 | Shower nozzle, spraying and cleaning apparatus and lampblack absorber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072865U (en) * | 1989-10-18 | 1991-03-13 | 石家庄市阀门二厂 | Atomizing spray gun with high pressure and reverse flow |
| CN1972754A (en) * | 2003-12-23 | 2007-05-30 | 亚拉国际有限公司 | Spraying device and method for fluidised bed granulation |
| CN102125900A (en) * | 2010-12-23 | 2011-07-20 | 陆桂义 | Gas-liquid dual-purpose spray gun |
| JP2012533704A (en) * | 2009-07-22 | 2012-12-27 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Injection nozzle for supplying reducing agent and apparatus for treating exhaust gas |
| CN203043831U (en) * | 2012-11-30 | 2013-07-10 | 北京北科欧远科技有限公司 | Reducing agent injection device used for SNCR (Selective Non-Catalytic Reduction) denitration |
| CN203648741U (en) * | 2013-12-06 | 2014-06-18 | 北京京能电力股份有限公司石景山热电厂 | Atomizing nozzle and solution atomizing device for urea pyrolysis ammonia preparation process |
-
2013
- 2013-12-06 CN CN201310656417.9A patent/CN103657894B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072865U (en) * | 1989-10-18 | 1991-03-13 | 石家庄市阀门二厂 | Atomizing spray gun with high pressure and reverse flow |
| CN1972754A (en) * | 2003-12-23 | 2007-05-30 | 亚拉国际有限公司 | Spraying device and method for fluidised bed granulation |
| JP2012533704A (en) * | 2009-07-22 | 2012-12-27 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Injection nozzle for supplying reducing agent and apparatus for treating exhaust gas |
| CN102125900A (en) * | 2010-12-23 | 2011-07-20 | 陆桂义 | Gas-liquid dual-purpose spray gun |
| CN203043831U (en) * | 2012-11-30 | 2013-07-10 | 北京北科欧远科技有限公司 | Reducing agent injection device used for SNCR (Selective Non-Catalytic Reduction) denitration |
| CN203648741U (en) * | 2013-12-06 | 2014-06-18 | 北京京能电力股份有限公司石景山热电厂 | Atomizing nozzle and solution atomizing device for urea pyrolysis ammonia preparation process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107678A (en) * | 2015-08-31 | 2015-12-02 | 重庆望变电气（集团）股份有限公司 | Environmentally friendly paint coating device |
| CN106493008A (en) * | 2016-12-08 | 2017-03-15 | 广西玉柴机器股份有限公司 | Cross bore urea nozzle |
| CN107497605A (en) * | 2017-09-28 | 2017-12-22 | 广东美的厨房电器制造有限公司 | Shower nozzle, spraying and cleaning apparatus and lampblack absorber |
| CN107497605B (en) * | 2017-09-28 | 2023-08-22 | 广东美的厨房电器制造有限公司 | Spray head for range hood, spray cleaning device and range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103657894B (en) | 2017-04-19 |
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Effective date of registration: 20181225 Address after: 072750 No. 45 Jingnan Street, Changdian Village, Dongxianpo Town, Zhuozhou City, Baoding City, Hebei Province Patentee after: HEBEI ZHUOZHOU JINGYUAN THERMAL ELECTRICITY CO., LTD. Address before: 100041 No. 10 Guangning Road, Shijingshan District, Beijing Patentee before: SHIJINGSHAN THERMOELETRIC PLANT, BEIJING JINGNENG POWER CO., LTD. |