CN204503391U - Ammonia water spray gun - Google Patents

Ammonia water spray gun Download PDF

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Publication number
CN204503391U
CN204503391U CN201520082382.7U CN201520082382U CN204503391U CN 204503391 U CN204503391 U CN 204503391U CN 201520082382 U CN201520082382 U CN 201520082382U CN 204503391 U CN204503391 U CN 204503391U
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CN
China
Prior art keywords
gun barrel
gun
ammoniacal liquor
barrel
hybrid chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520082382.7U
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Chinese (zh)
Inventor
丁永国
陈亚非
夏洪清
伍震宇
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Hangzhou Run Jin Environmental Protection Technology Co Ltd
Original Assignee
Hangzhou Run Jin Environmental Protection Technology Co Ltd
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Priority to CN201520082382.7U priority Critical patent/CN204503391U/en
Application granted granted Critical
Publication of CN204503391U publication Critical patent/CN204503391U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention relates to denitration device technical field, be specifically related to a kind of ammonia water spray gun.It comprises gun platform, is provided with connecting portion in gun platform comprises, and connecting portion side is provided with the ammoniacal liquor joint for passing into ammoniacal liquor, and gun platform inside is provided with for passing into compressed-air actuated pneumatic fitting; Gun platform is provided with inner the first gun barrel be communicated with hybrid chamber, is arranged with the second gun barrel in the first gun barrel, and the second firearm barrel construction becomes and the first gun barrel is tightly connected slidably; One pivoted housing is set in outside the first gun barrel, and pivoted housing one end is rotationally connected by bearing and the first gun barrel, and the pivoted housing other end is configured to stretch out the first gun barrel and inside Zhou Yanshen thus coordinate with the second gun barrel outer wall thread; First gun barrel is provided with nozzle, and ammoniacal liquor and compressed air spray through nozzle pass through the first gun barrel, the second gun barrel successively after hybrid chamber mixes after.The present invention can be applicable to various working environments, and the mixture of ammoniacal liquor and air preferably can be atomized, and then promotes the efficiency of denitration reaction.

Description

Ammonia water spray gun
Technical field
The present invention relates to denitration device technical field, specifically, relate to a kind of ammonia water spray gun for denitration.
Background technology
NOx is a kind of main atmosphere pollution, and NOx and hydrocarbon can cause photochemical pollution under high light effect, and the NOx be discharged in air is the main cause forming acid rain, serious harm ecological environment.The NOx of domestic about 65% is produced by coal-fired industry furnace at present, denitrating flue gas many employings technique is simple, the SNCR method (SNCR) of reduced investment, its method is: under compressed-air actuated effect, by ammoniacal liquor by spraying in stove high-temperature flue gas in certain spray angle after spray gun atomization, when there is no reducing agent, ammonia in ammoniacal liquor and the reaction of nitrogen oxides in flue gas, generate nitrogen and water, nitrogen oxides in effluent removed.
For the spray gun of denitration in prior art, and structure generally comprises the rifle body with through hole, the connecting portion being arranged at described rifle body one end, is arranged at the nozzle of the described rifle body other end, described connecting portion is provided with and passes into compressed-air actuated pneumatic fitting and pass into the ammoniacal liquor joint of ammoniacal liquor, air hole aperture on usual pneumatic fitting is larger, therefore cause compressed air pressure less, make the range of spray gun shorter, use standard can not be reached.In addition, the barrel length of the spray gun for denitration in prior art is regular length, cannot be adapted to various working environments.
Summary of the invention
Content of the present invention is to provide a kind of ammonia water spray gun, and it can overcome certain or some defect of prior art.
According to ammonia water spray gun of the present invention, it comprises gun platform, and gun platform comprises the connecting portion that internal structure has hybrid chamber; Connecting portion side is provided with the ammoniacal liquor joint for passing into ammoniacal liquor, and the internal structure of ammoniacal liquor joint has the ammoniacal liquor runner be communicated with hybrid chamber; Hybrid chamber inside is provided with for passing into compressed-air actuated pneumatic fitting, and pneumatic fitting inside is provided with the air flow channel be communicated with hybrid chamber; Gun platform is provided with inner the first gun barrel be communicated with hybrid chamber, is arranged with the second gun barrel in the first gun barrel, and the second firearm barrel construction becomes and the first gun barrel is tightly connected slidably; One pivoted housing is set in outside the first gun barrel, and pivoted housing one end is rotationally connected by bearing and the first gun barrel, and the pivoted housing other end is configured to stretch out the first gun barrel and inside Zhou Yanshen thus coordinate with the second gun barrel outer wall thread; First gun barrel is provided with nozzle, and ammoniacal liquor and compressed air spray through nozzle pass through the first gun barrel, the second gun barrel successively after hybrid chamber mixes after.
In the present invention, by by less for the aperture of air hole, thus can preferably improve compressed-air actuated flow velocity, in addition, be ejected again after the setting of hybrid chamber can make ammoniacal liquor fully can mix with compressed air, thus ensure that the even sprinkling of ammoniacal liquor, ensure that the efficiency of denitration.Ammonia water spray gun structure of the present invention is simple, range and effective projected area all better.
In the present invention, conveniently can regulate the position of relative first gun barrel of the second gun barrel by rotating pivoted housing, thus achieve the free-extension of gun barrel, this makes the present invention to be applicable to various working environments.
As preferably, air flow channel is configured to and the first gun barrel extend parallel, and pneumatic fitting one end is used for passing into compressed air, and the pneumatic fitting other end is configured to tapered portion, the corresponding position of connecting portion and tapered portion is configured to bellmouth, and bellmouth is in order to be configured to Venturi tube structure between tapered portion.
In the present invention, by being configured to Venturi tube structure between pneumatic fitting and connecting portion, thus can effectively preventing compressed air pressure excessive and cause spray to misfire the situation of ammoniacal liquor.
As preferably, ammoniacal liquor runner, hybrid chamber, the first gun barrel and the second gun barrel inwall are all configured with one deck corrosion-resistant coating.
Because ammoniacal liquor has alkalescent, in the present invention, preferably can prevent the corrosiveness of ammoniacal liquor by arranging corrosion-resistant coating, thus greatly improve service life of the present invention.
As preferably, the link outer wall of the second gun barrel and the first gun barrel is provided with 2 sealing rings.
In the present invention, the link outer wall of the second gun barrel and the first gun barrel is provided with 2 sealing rings, and this structure makes, and the sealing between the second gun barrel and the first gun barrel obtains and ensures greatly, preferably avoids the generation of the phenomenon of leakage.
As preferably, be provided with rifle core in nozzle, rifle core one end is provided with the external thread part for rifle core being threaded in the second gun barrel inwall; Rifle core inner is provided with the axial blind hole be communicated with the second gun barrel inside, is provided with the radial direction through hole for being communicated with axial blind hole in the middle part of rifle core; Rifle core and nozzle are configured to spray chamber jointly, and the liquid in the second gun barrel sprays from nozzle successively after axial blind hole, radial direction through hole, spray chamber.
In the present invention, liquid in second gun barrel can spray from nozzle successively after axial blind hole, radial direction through hole, spray chamber, under the damping action of radial direction through hole, liquid in second gun barrel preferably can be atomized in spray chamber, thus makes the liquid sprayed preferably can participate in denitration reaction.
As preferably, the rifle core other end is configured to boss, and boss is for changing the ejection angle of liquid in spray chamber; Boss is provided with open slot, and open slot is for adjusting the axial location of rifle core.
In the present invention, rifle core ejection end can be configured to boss, and the existence of boss can make liquid in spray chamber to spray at an angle, thus improves the contact area of ejection ammoniacal liquor and flue gas further, and then greatly improves the efficiency of denitration reaction.In addition, in the present invention, rifle core rear portion is provided with screw thread, forward top is provided with open slot, by using screwdriver can adjust the relative position of rifle core on rifle head, thus achieves the adjustment of high-speed gas-liquid two phase flow spray angle, this makes, the present invention can according to concrete working condition requirement, the spray angle of the adjustment atomized ammonia adapted, thus make its in whole stove uniform so that preferably with the reaction of nitrogen oxides in flue gas, improve denitrating flue gas efficiency, reduce operating cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ammonia water spray gun in embodiment 1;
Fig. 2 is the schematic diagram of gun platform in embodiment 1;
Fig. 3 is the schematic diagram of pneumatic fitting in embodiment 1;
Fig. 4 is the schematic diagram of nozzle in embodiment 1;
Fig. 5 is the schematic diagram of rifle core in embodiment 1.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should be understood that, embodiment is only to make an explanation to the present invention and and non-limiting.
Embodiment 1
As shown in Fig. 1,2,3,4,5, disclose the structure of ammonia water spray gun in the present embodiment.Wherein, the ammonia water spray gun in the present embodiment comprises: gun platform 110, and gun platform 110 comprises the connecting portion 210 that internal structure has hybrid chamber 230; Connecting portion 210 side is provided with the ammoniacal liquor joint 111 for passing into ammoniacal liquor, and ammoniacal liquor joint 111 internal structure has the ammoniacal liquor runner 240 be communicated with hybrid chamber 230; Hybrid chamber 230 inside is provided with for passing into compressed-air actuated pneumatic fitting 220, and pneumatic fitting 220 inside is provided with the air flow channel 221 be communicated with hybrid chamber 230; Gun platform 110 is provided with and is arranged with the second gun barrel 140, second gun barrel 140 in inner the first gun barrel 120, first gun barrel 120 be communicated with hybrid chamber 230 and is configured to be tightly connected slidably with the first gun barrel 120; One pivoted housing 130 is set in outside the first gun barrel 120, and pivoted housing 130 one end is rotationally connected by bearing 170 and the first gun barrel 120, and pivoted housing 130 other end is configured to stretch out the first gun barrel 120 and inside Zhou Yanshen thus coordinate with the second gun barrel 140 outer wall thread; First gun barrel 120 is provided with nozzle 150, ammoniacal liquor and compressed air after hybrid chamber 230 mixes successively by spraying through nozzle 150 after the first gun barrel 120, second gun barrel.
Air flow channel 221 is configured to and the first gun barrel 120 extend parallel, pneumatic fitting 220 one end is used for passing into compressed air, pneumatic fitting 220 other end is configured to tapered portion 310, connecting portion 210 is configured to bellmouth with the corresponding position of tapered portion 310, and bellmouth is in order to be configured to Venturi tube structure between tapered portion 310.
Ammoniacal liquor runner 240, hybrid chamber 230, first gun barrel 120 and the second gun barrel 140 inwall are all configured with one deck corrosion-resistant coating.The link outer wall of the second gun barrel 140 and the first gun barrel 120 is provided with 2 sealing rings.
Be provided with rifle core 410 in nozzle 150, rifle core 410 one end is provided with the external thread part 510 for rifle core 410 being threaded in the second gun barrel 140 inwall; Rifle core 410 inside is provided with the axial blind hole 520 be communicated with the second gun barrel 140 inside, is provided with the radial direction through hole 530 for being communicated with axial blind hole 520 in the middle part of rifle core 410; Rifle core 410 and nozzle 150 are configured to spray chamber 420 jointly, and the liquid in the second gun barrel 140 sprays from nozzle 150 successively after axial blind hole 520, radial direction through hole 530, spray chamber 420.Rifle core 410 other end is configured to boss 540, and boss 540 is for changing the ejection angle of liquid in spray chamber 420; Boss 540 is provided with open slot 550, and open slot 550 is for adjusting the axial location of rifle core 410.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.

Claims (6)

1. ammonia water spray gun, is characterized in that: comprise gun platform (110), and gun platform (110) comprises the connecting portion (210) that internal structure has hybrid chamber (230); Connecting portion (210) side is provided with the ammoniacal liquor joint (111) for passing into ammoniacal liquor, and ammoniacal liquor joint (111) internal structure has the ammoniacal liquor runner (240) be communicated with hybrid chamber (230); Hybrid chamber (230) inside is provided with for passing into compressed-air actuated pneumatic fitting (220), and pneumatic fitting (220) inside is provided with the air flow channel (221) be communicated with hybrid chamber (230); Gun platform (110) is provided with inner the first gun barrel (120) be communicated with hybrid chamber (230), be arranged with the second gun barrel (140) in first gun barrel (120), the second gun barrel (140) is configured to be tightly connected slidably with the first gun barrel (120); One pivoted housing (130) is set in the first gun barrel (120) outside, pivoted housing (130) one end is rotationally connected by bearing (170) and the first gun barrel (120), and pivoted housing (130) other end is configured to stretch out the first gun barrel (120) and inside Zhou Yanshen thus coordinate with the second gun barrel (140) outer wall thread; First gun barrel (120) is provided with nozzle (150), and ammoniacal liquor and compressed air spray through nozzle (150) pass through the first gun barrel (120), the second gun barrel successively after hybrid chamber (230) mixes after.
2. ammonia water spray gun according to claim 1, it is characterized in that: air flow channel (221) is configured to and the first gun barrel (120) extend parallel, pneumatic fitting (220) one end is used for passing into compressed air, pneumatic fitting (220) other end is configured to tapered portion (310), connecting portion (210) is configured to bellmouth with the corresponding position of tapered portion (310), and bellmouth is in order to be configured to Venturi tube structure between tapered portion (310).
3. ammonia water spray gun according to claim 2, is characterized in that: ammoniacal liquor runner (240), hybrid chamber (230), the first gun barrel (120) and the second gun barrel (140) inwall are all configured with one deck corrosion-resistant coating.
4. ammonia water spray gun according to claim 3, is characterized in that: the second gun barrel (140) is provided with 2 sealing rings with the link outer wall of the first gun barrel (120).
5. ammonia water spray gun according to claim 4, it is characterized in that: be provided with rifle core (410) in nozzle (150), rifle core (410) one end is provided with the external thread part (510) for rifle core (410) being threaded in the second gun barrel (140) inwall; Rifle core (410) inside is provided with the axial blind hole (520) be communicated with the second gun barrel (140) inside, and rifle core (410) middle part is provided with the radial direction through hole (530) for being communicated with axial blind hole (520); Rifle core (410) and nozzle (150) are configured to spray chamber (420) jointly, and the liquid in the second gun barrel (140) sprays from nozzle (150) successively after axial blind hole (520), radial direction through hole (530), spray chamber (420).
6. ammonia water spray gun according to claim 5, is characterized in that: rifle core (410) other end is configured to boss (540), and boss (540) is for changing the ejection angle of spray chamber (420) interior liquid; Boss (540) is provided with open slot (550), and open slot (550) is for adjusting the axial location of rifle core (410).
CN201520082382.7U 2015-02-05 2015-02-05 Ammonia water spray gun Expired - Fee Related CN204503391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520082382.7U CN204503391U (en) 2015-02-05 2015-02-05 Ammonia water spray gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520082382.7U CN204503391U (en) 2015-02-05 2015-02-05 Ammonia water spray gun

Publications (1)

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CN204503391U true CN204503391U (en) 2015-07-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112452882A (en) * 2020-11-04 2021-03-09 德盛镁汽车部件(芜湖)有限公司 Cleaning device for engine cylinder cover based on high-pressure water jet principle
CN112619005A (en) * 2020-12-24 2021-04-09 南通理工学院 Spray gun for fire fighting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112452882A (en) * 2020-11-04 2021-03-09 德盛镁汽车部件(芜湖)有限公司 Cleaning device for engine cylinder cover based on high-pressure water jet principle
CN112619005A (en) * 2020-12-24 2021-04-09 南通理工学院 Spray gun for fire fighting
CN112619005B (en) * 2020-12-24 2021-10-22 南通理工学院 Spray gun for fire fighting

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20180205

CF01 Termination of patent right due to non-payment of annual fee