CN207887375U - A kind of denitration spray gun nozzle - Google Patents

A kind of denitration spray gun nozzle Download PDF

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Publication number
CN207887375U
CN207887375U CN201820121436.XU CN201820121436U CN207887375U CN 207887375 U CN207887375 U CN 207887375U CN 201820121436 U CN201820121436 U CN 201820121436U CN 207887375 U CN207887375 U CN 207887375U
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CN
China
Prior art keywords
cover board
head
nozzle
oblique
direct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820121436.XU
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Chinese (zh)
Inventor
周文峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Qi Quan Biomass Power Co Ltd
Original Assignee
Qingdao Qi Quan Biomass Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Qi Quan Biomass Power Co Ltd filed Critical Qingdao Qi Quan Biomass Power Co Ltd
Priority to CN201820121436.XU priority Critical patent/CN207887375U/en
Application granted granted Critical
Publication of CN207887375U publication Critical patent/CN207887375U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of denitration spray gun nozzles, including nozzle body and gun shot, it is rotatablely connected between the nozzle body and gun shot, it is located at nozzle body link position on the gun shot and is equipped with sealing ring, running through on the left of the nozzle body and on gun shot has positioning bolt, it include direct-injection mouth on the right side of the nozzle body, oblique nozzle head and deslagging head, the direct-injection mouth and the oblique equal circumferential direction in nozzle head end offer spray orifice, the deslagging cephalic par opening setting, the direct-injection mouth, it is cased with the first cover board respectively on oblique nozzle head and deslagging head, second cover board and third cover board, spray orifice position is corresponded on first cover board and the second cover board is equipped with the guide rod to match, the utility model adapts to the injection of different direction and angle, adaptability higher;Liquid medicine jet can be reduced in such a way that oblique nozzle head is obliquely installed caused by water-cooling wall to corrode, and improved security performance, avoided spray orifice from blocking, while impurity is arranged by deslagging head.

Description

A kind of denitration spray gun nozzle
Technical field
The utility model is related to denitration technology field, specially a kind of denitration spray gun nozzle.
Background technology
Power plant desulfurization denitration installed capacity increases quickly, and denitrating flue gas generally uses selective non-catalytic reduction technology (SNCR), ammonium hydroxide or urea are sprayed into burner hearth, is reacted with the NOx in flue gas and generates N2 and water, low engineering cost, arrangement letter Easily, floor space is small.
Existing denitration spray gun nozzle arrangements, spray orientation and angular adjustment is inconvenient, be easy to cause water-wall corrosion, cause Pipe explosion accident, and the spray orifice position of nozzle be easy to cause blocking due to prolonged use, it has not been convenient to cleaning and use.
Utility model content
The purpose of this utility model is to provide a kind of denitration spray gun nozzles, adapt to the injection of different direction and angle, fit Answering property higher can reduce liquid medicine jet and corrode caused by water-cooling wall, improve security performance, cross guide rod by the impurity of spray orifice It smashes, spray orifice is avoided to block, while impurity is discharged by deslagging head, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:A kind of denitration spray gun nozzle, including nozzle sheet Body and gun shot are rotatablely connected between the nozzle body and gun shot, and nozzle body link position is located on the gun shot Equipped with sealing ring, running through on the left of the nozzle body and on gun shot has positioning bolt, includes straight on the right side of the nozzle body Nozzle head, oblique nozzle head and deslagging head, the direct-injection mouth and the oblique equal circumferential direction in nozzle head end offer spray orifice, the deslagging head Open-ended setting is cased with the first cover board, the second cover board and third lid on the direct-injection mouth, oblique nozzle head and deslagging head respectively Plate corresponds to spray orifice position on first cover board and the second cover board and is equipped with the guide rod to match.
Preferably, on the gun shot side wall seal groove to match is offered positioned at sealing ring installation site.
Preferably, the spray orifice is in direct-injection mouth and the difference circular array distribution of oblique nozzle head, and the spray orifice and leads Bar is arranged in a one-to-one correspondence.
Preferably, the angular range between the direct-injection mouth and oblique nozzle head is at 20-60 DEG C.
Preferably, first cover board, the second cover board and third cover board are all made of inserting mode and are connected to straight nozzle Head, oblique nozzle head and deslagging head.
Preferably, it is trapezium structure that the direct-injection mouth and the spray orifice of oblique nozzle head end, which open up position shape,.
Compared with prior art, the utility model has the beneficial effects that:
1, it is rotatablely connected between the utility model nozzle body and gun shot, it can be by rotation, to adjust oblique nozzle head Angle, adapt to different direction and angle injection, adaptability higher;
2, liquid medicine jet can be reduced in such a way that oblique nozzle head is obliquely installed caused by water-cooling wall to corrode, and improve peace Full performance;
3, the first cover board, the second cover board and third cover board not only keep nozzle head position to seal, while the first cover board and the Spray orifice position is corresponded on two cover boards, the guide rod to match is set, the impurity of spray orifice can be smash by guide rod, avoid spray orifice It blocks, while impurity is discharged by deslagging head.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model;
Fig. 2 is schematic cross-sectional view after the removal cover board of the utility model;
Fig. 3 is that side structure schematic view is divided on the straight nozzle head of the utility model;
Fig. 4 is the deck portion side structure schematic view of the utility model;
Fig. 5 is the external structure schematic diagram of the utility model.
In figure:1 nozzle body, 2 gun shots, 3 sealing rings, 4 positioning bolts, 5 direct-injection mouths, 6 oblique nozzle heads, 7 deslagging heads, 8 spray orifices, 9 first cover boards, 10 second cover boards, 11 third cover boards, 12 guide rods.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of denitration spray gun nozzle, including nozzle body 1 With gun shot 2, it is rotatablely connected between the nozzle body 1 and gun shot 2, it can be by rotation, to adjust the angle of oblique nozzle head Degree adapts to the injection of different direction and angle;It is located at 1 link position of nozzle body on the gun shot 2 and is equipped with sealing ring 3, it is close Seal ring 3 ensures the sealing of installation site;Running through on 1 left side of the nozzle body and gun shot 2 has positioning bolt 4, the spray 1 right side of mouth ontology includes direct-injection mouth 5, oblique nozzle head 6 and deslagging head 7, and deslagging head 7 is for being discharged impurity;The direct-injection mouth 5 Spray orifice 8,7 open-ended setting of the deslagging head, the direct-injection mouth 5, oblique nozzle are offered with the equal circumferential direction in 6 end of oblique nozzle head First 6 and deslagging head 7 on be cased with the first cover board 9, the second cover board 10 and third cover board 11 respectively, first cover board 9 and second covers 8 position of spray orifice is corresponded on plate 10 is equipped with the guide rod 12 to match.
Specifically, offering the seal groove to match positioned at 3 installation site of sealing ring on 2 side wall of the gun shot;Setting The seal groove to match is used for the installation of sealing ring 3.
Specifically, the spray orifice 8 distinguishes circular array distribution, and the spray orifice 8 in direct-injection mouth 5 and oblique nozzle head 6 It is arranged in a one-to-one correspondence with guide rod 12;Each guide rod 12 is facilitated to correspond to the design of each spray orifice 8.
Specifically, the angular range between the direct-injection mouth 5 and tiltedly nozzle head 6 is at 20-60 DEG C;In 20-60 DEG C of range The angle of injection can reduce the corrosion of water-cooling wall.
Specifically, first cover board 9, the second cover board 10 and third cover board 11 are all made of inserting mode and are connected to directly Nozzle head 5, oblique nozzle head 6 and deslagging head 7;It is fixed using inserting mode so that easy for installation.
Specifically, it is trapezium structure that the spray orifice 8 of 6 end of the direct-injection mouth 5 and oblique nozzle head, which opens up position shape,.
Operation principle:In use, 1 right side design direct-injection mouth 5 of nozzle body, 7 structure of oblique nozzle head 6 and deslagging head, it can To need to select different nozzle heads to design according to using, and it is rotatablely connected between nozzle body 1 and gun shot 2, Ke Yitong Rotation is crossed, to adjust the angle of oblique nozzle head 6, adapts to the injection of different direction and angle, adaptability higher uses oblique nozzle head When 6, the mode that is obliquely installed can reduce liquid medicine jet and corrode caused by water-cooling wall, improve security performance, direct-injection mouth 5, It is cased with the first cover board 9, the second cover board 10 and third cover board 11 respectively on oblique nozzle head 6 and deslagging head 7, when not in use, the first lid Plate 9, the second cover board 10 and third cover board 11 not only keep nozzle head position to seal, while on the first cover board 9 and the second cover board 10 The guide rod 12 to match is arranged in 8 position of corresponding spray orifice, can be smash the impurity at spray orifice 8 by guide rod 12, avoids spray orifice stifled Plug, while impurity is discharged by deslagging head 7, has very high practicability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of denitration spray gun nozzle, including nozzle body(1)And gun shot(2), it is characterised in that:The nozzle body(1) And gun shot(2)Between be rotatablely connected, the gun shot(2)It is upper to be located at nozzle body(1)Link position is equipped with sealing ring(3), The nozzle body(1)Left side and gun shot(2)On run through have positioning bolt(4), the nozzle body(1)Right side includes straight Nozzle head(5), oblique nozzle head(6)With deslagging head(7), the direct-injection mouth(5)With oblique nozzle head(6)The equal circumferential direction in end offers Spray orifice(8), the deslagging head(7)Open-ended setting, the direct-injection mouth(5), oblique nozzle head(6)With deslagging head(7)Upper point It is not cased with the first cover board(9), the second cover board(10)With third cover board(11), first cover board(9)With the second cover board(10)On Corresponding spray orifice(8)Position is equipped with the guide rod to match(12).
2. a kind of denitration spray gun nozzle according to claim 1, it is characterised in that:The gun shot(2)It is located on side wall Sealing ring(3)Installation site offers the seal groove to match.
3. a kind of denitration spray gun nozzle according to claim 1, it is characterised in that:The spray orifice(8)In direct-injection mouth(5) With oblique nozzle head(6)Circular array distribution respectively, and the spray orifice(8)And guide rod(12)It is arranged in a one-to-one correspondence.
4. a kind of denitration spray gun nozzle according to claim 1, it is characterised in that:The direct-injection mouth(5)With oblique nozzle Head(6)Between angular range at 20-60 DEG C.
5. a kind of denitration spray gun nozzle according to claim 1, it is characterised in that:First cover board(9), the second cover board (10)With third cover board(11)It is all made of inserting mode and is connected to direct-injection mouth(5), oblique nozzle head(6)With deslagging head(7).
6. a kind of denitration spray gun nozzle according to claim 1, it is characterised in that:The direct-injection mouth(5)With oblique nozzle Head(6)The spray orifice of end(8)It is trapezium structure to open up position shape.
CN201820121436.XU 2018-01-25 2018-01-25 A kind of denitration spray gun nozzle Expired - Fee Related CN207887375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820121436.XU CN207887375U (en) 2018-01-25 2018-01-25 A kind of denitration spray gun nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820121436.XU CN207887375U (en) 2018-01-25 2018-01-25 A kind of denitration spray gun nozzle

Publications (1)

Publication Number Publication Date
CN207887375U true CN207887375U (en) 2018-09-21

Family

ID=63545822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820121436.XU Expired - Fee Related CN207887375U (en) 2018-01-25 2018-01-25 A kind of denitration spray gun nozzle

Country Status (1)

Country Link
CN (1) CN207887375U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180921

Termination date: 20220125