CN208591707U - Denitration spray gun - Google Patents
Denitration spray gun Download PDFInfo
- Publication number
- CN208591707U CN208591707U CN201820872878.8U CN201820872878U CN208591707U CN 208591707 U CN208591707 U CN 208591707U CN 201820872878 U CN201820872878 U CN 201820872878U CN 208591707 U CN208591707 U CN 208591707U
- Authority
- CN
- China
- Prior art keywords
- slot
- hole
- pipe
- casing
- spraygun body
- 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
Links
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to a kind of denitration devices, it is intended to provide a kind of denitration spray gun, its key points of the technical solution are that including spraygun body and the spray head being arranged in spraygun body, it further include the built-in pipe being preset on furnace wall, in one end connection furnace of the built-in pipe, the other end is communicated with casing, the spraygun body is connected with one end of spray head through casing and protrudes into built-in pipe, and one end of the spray head connection spraygun body is in built-in pipe, the spray head is in furnace away from one end of spraygun body, it is slidably connected between the spraygun body and casing, it is additionally provided in described sleeve pipe for changing the telescopic device of relative position between spraygun body and casing.This denitration spray gun can avoid denitration spray gun from still being washed away in furnace by high-temperature flue gas, so that denitration spray gun be avoided to shorten the service life due to being worn without being detached from furnace when continuing work.
Description
Technical field
The utility model relates to a kind of denitration pin equipment, more specifically, it relates to a kind of denitration spray gun.
Background technique
Denitration spray gun is that SNCR (Selective Non-Catalytic Reduction, selective non-catalytic reduction) is de-
Key equipment in nitre technique is widely used in cement plant, the steam power plant using circulating fluidized bed boiler and garbage burning factory
Deng denitrating technique in.
In SNCR denitration technique, denitration spray gun mixes ammonia solution and compressed air, be atomized into 100 μm it is below micro-
Droplet is equably sprayed onto flue gas, and then reduction reaction occurs with nitrogen oxides such as NO, NO2 in flue gas, generate nitrogen and
Water, to reduce the content of nitrogen oxides in effluent, so that the discharge of flue gas is reached or fallen below the discharge mark of national regulation
It is quasi-.
Denitration spray gun is typically mounted at furnace outlet, when the flue gas in furnace it is compound discharge definitely when, denitration spray gun then without
It need to continue work, denitration spray gun is still washed away in furnace by high-temperature flue gas at this time, leads to the unnecessary abrasion of denitration spray gun
And then shorten the service life.
Utility model content
It, can be in view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of denitration spray gun
It being detached from furnace when without continuing work, avoiding denitration spray gun from still being washed away in furnace by high-temperature flue gas, to avoid denitration
Spray gun shortens the service life due to being worn.
To achieve the above object, the utility model provides following technical solution:
A kind of denitration spray gun further includes being preset on furnace wall including spraygun body and the spray head being arranged in spraygun body
Built-in pipe, the built-in pipe one end connection furnace in, the other end is communicated with casing, and the spraygun body is connected with the one of spray head
End is through casing and protrudes into built-in pipe, and one end of spray head connection spraygun body is in built-in pipe, the spray head back
One end from spraygun body is in furnace, is slidably connected between the spraygun body and casing, is additionally provided with and is used in described sleeve pipe
Change the telescopic device of relative position between spraygun body and casing.
By using above-mentioned technical proposal, when working on without denitration spray gun, start telescopic device, telescopic device exists
Spraygun body movement is driven under working condition, changes the relative position between spraygun body and casing, to change spraygun body
Relative position between built-in pipe makes gun body face away from direction in furnace and moves, so that it is detached from denitration spray gun in furnace,
Denitration spray gun is avoided still to be washed away in furnace by high-temperature flue gas, so that denitration spray gun be avoided to shorten the service life due to being worn.
The utility model is further arranged to: being connected between the spraygun body and casing by sliding component, the cunning
Dynamic component includes sliding slot and draw runner, and the sliding slot is arranged on internal surface of sleeve pipe, and the draw runner is arranged in spraygun body, the cunning
It is slidably matched between item and sliding slot.
By using above-mentioned technical proposal, when gun body is mobile, gun body drives draw runner to slide in sliding slot, and one
Aspect, sliding component are that the direction of motion of gun body plays guiding role, and on the other hand, sliding component rises for gun body
Arrived supporting role, avoid gun body under the effect of gravity with casing-contact.
The utility model is further arranged to: being detachably connected between described sleeve pipe and built-in pipe.
By using above-mentioned technical proposal, when using denitration spray gun, the cigarette ash in furnace can be blown into built-in pipe, if pre-buried
Soot build-up in pipe it is more, inserting or withdrawing sleeves can be got off, cigarette ash is cleared up by the nozzle of built-in pipe, avoids cigarette ash
The excessive movement for influencing spraygun body in built-in pipe.
The utility model is further arranged to: being connected by screw between casing and built-in pipe, described sleeve pipe and built-in pipe
On be equipped with flange, furnace wall is equipped with threaded hole, and screw passes through flange and is bolted in threaded hole, and flange and set on casing
Gusset is additionally provided between pipe.
By using above-mentioned technical proposal, when needing to clear up the cigarette ash in built-in pipe, casing can be torn open from built-in pipe
It unloads down, the cigarette ash in built-in pipe is cleared up；The setting of gusset can be improved steady between flange and casing on casing
It is qualitative.
The utility model is further arranged to: the spraygun body includes inner tube, outer tube, air inlet pipe and inlet tube, described
Outer tube is set in outside inner tube, is formed the first cavity between the outer tube and inner tube, is formed the second cavity, institute inside said inner tube
Air inlet pipe is stated to be connected to inner tube, the inlet tube is connected to outer tube, and said inner tube and outer tube are all connected to spray head, the first cavity and
Second cavity is connected to and spray head.
By using above-mentioned technical proposal, compressed air by the second cavity of air inlet pipe, ammonia solution by inlet tube into
Enter into the first cavity, the compressed air in ammonia solution and the second cavity in the first cavity enters mixing and mist in spray head
Change, then sprayed in flue gas by spray head, the discharge of flue gas is made to be reached or fallen below the discharge standard of national regulation.
The utility model is further arranged to: the air inlet pipe and inlet tube are disposed as metal hose.
By using above-mentioned technical proposal, since metal hose has stronger corrosion resistance, by air inlet pipe and feed liquor
Pipe is disposed as metal hose, and the corrosion resistance of air inlet pipe and inlet tube can be improved.
The utility model is further arranged to: the spray head includes transition block, locking cap and nozzle, the transition block connection
In spraygun body, the transition block is equipped with central through hole and annular through groove, and central through hole is connected to the second cavity, annular through groove
It is connected to the first cavity, the central axis of the central through hole and annular through groove is conllinear, and air inlet duct, feed liquor are equipped in the nozzle
Slot, gas transmission through-hole, infusion through-hole and mixing through-hole, the air inlet duct are connected to central through hole, and the lead channel is connected to annular
Through slot, one end of the gas transmission through-hole are connected to air inlet duct, other end connection mixing through-hole, one end of the infusion through-hole connect into
Liquid bath, the other end are connected to mixing through-hole, and the locking cap is equipped with impenetrating mouth, and the nozzle inlay card is in locking cap, and institute
It states nozzle and passes through impenetrating mouth with one end of mixing through-hole, the locking cap is connected to transition block.
By using above-mentioned technical proposal, the compressed air in the second cavity is entered in air inlet duct by central through hole,
It enters in gas transmission through-hole and is entered in mixing through-hole by gas transmission through-hole, the ammonia solution in the first cavity by air inlet duct again
It is entered in lead channel by annular through groove, then enters in infusion through-hole and entered by through-hole of being infused mixed by lead channel
It closes in through-hole, compressed air and ammonia solution are mixed and are atomized in mixing through-hole, eventually by mixing through-hole discharge, spray to flue gas
In.
The utility model is further arranged to: block storage is additionally provided in the locking cap, the block storage is equipped with gas storage
Through-hole and liquid storage through slot, the both ends of the gas storage through slot are respectively communicated with central through hole and air inlet duct, and the cross of the gas storage through slot
Sectional area is greater than the cross-sectional area of central through hole, and the cross-sectional area of the gas storage through-hole is greater than the cross-sectional area of air inlet duct, described
Liquid storage through slot includes big through slot and small through slot, and the big through slot is connected to small through slot, and the small through slot deviates from one end of big through slot
It is connected to annular through groove, the big through slot is connected to lead channel away from one end of small through slot, the big through slot, small through slot and lead channel
Cross-sectional area is annular, and the cross-sectional area of the big through slot is greater than the cross-sectional area of small through slot, the small through slot it is transversal
Area is equal to the cross-sectional area of annular through groove, and the cross-sectional area of the big through slot is equal to the cross-sectional area of lead channel.
By using above-mentioned technical proposal, since the cross-sectional area of big through slot is equal to the cross-sectional area of lead channel, gas storage is logical
The cross-sectional area in hole is greater than the cross-sectional area of air inlet duct, and big through slot and gas storage through-hole play the role of storage, make to enter
Liquid in lead channel can be sufficient, and the gas entered in air inlet duct can be sufficient, to keep gas and liquid more preferable
Mix, avoid the insufficient supply of gas or the insufficient supply of liquid.
The utility model is further arranged to: the telescopic device includes cylinder and first pushes piece, the cylinder setting
On casing, the piston rod of the cylinder is connected to one end of the first promotion piece, and described first pushes piece away from one end of cylinder
It is connected to one end that spraygun body deviates from spray head.
By using above-mentioned technical proposal, cylinder drives first to push piece movement by piston rod in the operating condition, the
One promotion piece drives spraygun body to face away from direction in furnace during the motion and moves, and spray head is started shipment with spraygun body one
It is dynamic, so that denitration spray gun be made to be detached from furnace, avoid denitration spray gun from still being washed away in furnace by high-temperature flue gas, so that denitration be avoided to spray
Rifle shortens the service life due to being worn.
The utility model is further arranged to: the telescopic device include motor, lead screw, nut seat and second push piece,
The motor is arranged on casing by rack, the motor and lead screw linkage, and the nut seat is arranged on lead screw, and described the
One end of two promotion pieces is connected to nut seat, and the other end is connected to one end that spraygun body deviates from spray head, also sets in the rack
There is gag lever post, the gag lever post is through nut seat and is parallel to lead screw.
By using above-mentioned technical proposal, motor drives lead screw to rotate in the operating condition, lead screw band during rotation
Dynamic nut seat is mobile, and the second promotion piece moves together with nut seat, and the second promotion piece drives spraygun body during the motion
It faces away from direction in furnace to move, spray head moves together with spraygun body, so that denitration spray gun be made to be detached from furnace, avoids denitration
Spray gun is still washed away in furnace by high-temperature flue gas, so that denitration spray gun is avoided to shorten the service life due to being worn, gag lever post energy
It is enough that nut is limited, avoid nut seat from rotating in moving process.
In conclusion the utility model has the following beneficial effects:
1, the setting of telescopic device can change the relative position between spraygun body and built-in pipe, make gun body direction
Direction moves in furnace, so that denitration spray gun be made to be detached from furnace, denitration spray gun is avoided still to be washed away in furnace by high-temperature flue gas,
To avoid denitration spray gun from shortening the service life due to being worn；
2, it is detachably connected between casing and built-in pipe, so as to which the cigarette ash in built-in pipe is cleared up, avoids pre-buried
Soot build-up in pipe is excessive, influences the movement of spraygun body；
3, the setting of gusset can be improved the stability between flange and casing on casing.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying the structural schematic diagram of the utility model；
Fig. 2 is in Fig. 1 for embodying the portion the A schematic enlarged-scale view of positional relationship between spray head and built-in pipe；
Fig. 3 is in embodiment 1 for embodying the structural schematic diagram of spraygun body；
Fig. 4 is in Fig. 3 for embodying the portion the B schematic enlarged-scale view of spray head；
Fig. 5 is in embodiment 1 for embodying the structural schematic diagram of telescopic device；
Fig. 6 is in Fig. 5 for embodying the portion the C schematic enlarged-scale view of sliding component；
Fig. 7 is in embodiment 2 for embodying the structural schematic diagram of telescopic device；
Fig. 8 is in embodiment 2 for embodying the structural schematic diagram of positional relationship between lead screw and gag lever post.
Appended drawing reference: 1, spraygun body；11, inner tube；12, outer tube；13, air inlet pipe；14, inlet tube；2, spray head；21, mistake
Cross block；22, locking cap；23, nozzle；3, built-in pipe；4, casing；5, telescopic device；51, cylinder；52, first piece is pushed；53, electric
Machine；54, lead screw；55, nut seat；56, second piece is pushed；6, sliding component；61, sliding slot；62, draw runner；7, flange；8, gusset；
9, central through hole；10, annular through groove；15, air inlet duct；16, lead channel；17, gas transmission through-hole；18, infusion through-hole；19, mixing is logical
Hole；20, block storage；24, gas storage through-hole；25, liquid storage through slot；26, big through slot；27, small through slot；28, rack；29, gag lever post.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of denitration spray gun including spraygun body 1, is arranged in spraygun body 1 as depicted in figs. 1 and 2
Spray head 2 and the built-in pipe 3 being preset on furnace wall.
As shown in figure 3, spraygun body 1 includes inner tube 11, outer tube 12, air inlet pipe 13 and inlet tube 14, outer tube 12 is set in
Outside inner tube 11, form the first cavity between outer tube 12 and inner tube 11, form the second cavity inside inner tube 11, air inlet pipe 13 with it is interior
Pipe 11 is connected to, and inlet tube 14 is connected to outer tube 12, and air inlet pipe 13 and inlet tube 14 are disposed as metal hose.
As shown in Figure 3 and Figure 4, spray head 2 includes transition block 21, locking cap 22 and nozzle 23, and transition block 21 is connected to spray gun
Main body 1, transition block 21 are equipped with central through hole 9 and annular through groove 10, and central through hole 9 is connected to the second cavity, annular through groove 10
It is connected to the first cavity, central through hole 9 is conllinear with the central axis of annular through groove 10, and air inlet duct 15, feed liquor are equipped in nozzle 23
Slot 16, gas transmission through-hole 17, infusion through-hole 18 and mixing through-hole 19, locking cap 22 are equipped with impenetrating mouth, and 23 inlay card of nozzle is being locked
In cap 22, and nozzle 23 passes through impenetrating mouth with one end of mixing through-hole 19, and locking cap 22 is connected to transition block 21, locking cap 22
It is inside additionally provided with block storage 20, block storage 20 is between transition block 21 and nozzle 23, and block storage 20 is equipped with 24 He of gas storage through-hole
The both ends of liquid storage through slot 25,24 gas storage through slot of gas storage through-hole are respectively communicated with central through hole 9 and air inlet duct 15, and the cross of gas storage through slot
Sectional area is greater than the cross-sectional area of central through hole 9, and the cross-sectional area of gas storage through-hole 24 is greater than the cross-sectional area of air inlet duct 15, liquid storage
Through slot 25 includes big through slot 26 and small through slot 27, and big through slot 26 is connected to small through slot 27, and small through slot 27 deviates from the one of big through slot 26
End connection annular through groove 10, big through slot 26 away from small through slot 27 one end be connected to lead channel 16, big through slot 26, small through slot 27 and into
The cross-sectional area of liquid bath 16 is annular, and the cross-sectional area of big through slot 26 is greater than the cross-sectional area of small through slot 27, small through slot 27
Cross-sectional area be equal to the cross-sectional area of annular through groove 10, the cross-sectional area of big through slot 26 is equal to the cross-sectional area of lead channel 16,
One end of gas transmission through-hole 17 is connected to air inlet duct 15, and other end connection mixing through-hole 19, one end of infusion through-hole 18 connects lead channel
16, the other end is connected to mixing through-hole 19.
As shown in figures 1 and 3, in one end connection furnace of built-in pipe 3, the other end is communicated with casing 4, casing 4 and built-in pipe 3
Between be detachably connected by screw, be equipped with flange 7 on casing 4 and built-in pipe 3, furnace wall is equipped with threaded hole, and screw passes through
Flange 7 is simultaneously bolted in threaded hole, and gusset 8 is additionally provided between the flange 7 on casing 4 and casing 4.
As shown in Figure 5 and Figure 6, spraygun body 1 is connected with one end of spray head 2 through casing 4 and protrudes into built-in pipe 3, and
One end that spray head 2 connects spraygun body 1 is in built-in pipe 3, and spray head 2 is in furnace away from one end of spraygun body 1, spray gun master
It is slidably connected between body 1 and casing 4 by sliding component 6, sliding component 6 includes sliding slot 61 and draw runner 62, and the setting of sliding slot 61 exists
On 4 inner wall of casing, draw runner 62 is arranged in spraygun body 1, is slidably matched between draw runner 62 and sliding slot 61.
As shown in figure 5, be additionally provided with telescopic device 5 on casing 4, telescopic device 5 can change spraygun body 1 and casing 4 it
Between relative position, telescopic device 5 include cylinder 51 and first push piece 52, cylinder 51 be arranged on casing 4, the piston of cylinder 51
Bar is connected to one end of the first promotion piece 52, and the first promotion piece 52 is connected to spraygun body 1 away from spray away from one end of cylinder 51
First 2 one end.
Implementation process: compressed air is logical by 13 second cavity of air inlet pipe, entering the compressed air in the second cavity
It crosses central through hole 9 to enter in air inlet duct 15, then is entered by air inlet duct 15 in gas transmission through-hole 17 and by gas transmission through-hole 17
It enters in mixing through-hole 19, ammonia solution is entered in the first cavity by inlet tube 14, and the ammonia solution in the first cavity passes through
Annular through groove 10 enters in lead channel 16, then by lead channel 16 enter infusion through-hole 18 in and by infusion through-hole 18 into
Enter into mixing through-hole 19, compressed air and ammonia solution are mixed and are atomized in mixing through-hole 19, eventually by mixing through-hole 19
Discharge, sprays in flue gas, the discharge of flue gas is made to be reached or fallen below the discharge standard of national regulation.
When working on without denitration spray gun, start cylinder 51, cylinder 51 is driven by piston rod in the operating condition
First pushes piece 52 to move, and the first promotion piece 52 drives spraygun body 1 to face away from direction in furnace during the motion and moves, spray
First 2 move together with spraygun body 1, so that denitration spray gun be made to be detached from furnace, avoid denitration spray gun still in furnace by high temperature
Sweep of gases, so that denitration spray gun be avoided to shorten the service life due to being worn.
Embodiment 2: difference from example 1 is that, as shown in Figure 7 and Figure 8, telescopic device 5 includes motor 53, silk
Thick stick 54, nut seat 55 and second push piece 56, and motor 53 is arranged on casing 4 by rack 28, and motor 53 and lead screw 54 link,
Nut seat 55 is arranged on lead screw 54, and one end of the second promotion piece 56 is connected to nut seat 55, and the other end is connected to spraygun body 1
Away from one end of spray head 2, gag lever post 29 is additionally provided in rack 28, gag lever post 29 is through nut seat 55 and is parallel to lead screw 54, limits
Position bar 29 can limit nut seat 55, and nut seat 55 is avoided to rotate in moving process.
Implementation process: when working on without denitration spray gun, start motor 53, motor 53 drives silk in the operating condition
Thick stick 54 rotates, and lead screw 54 drives nut seat 55 mobile during rotation, and the second promotion piece 56 moves together with nut seat 55,
Second promotion piece 56 drives spraygun body 1 to face away from direction in furnace during the motion and moves, and spray head 2 is with spraygun body 1
It moves together, so that denitration spray gun be made to be detached from furnace, avoids denitration spray gun from still being washed away in furnace by high-temperature flue gas, to avoid
Denitration spray gun shortens the service life due to being worn, and gag lever post 29 can limit nut, avoids nut seat 55 in movement
It rotates in the process.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of denitration spray gun, including spraygun body (1) and the spray head (2) being arranged on spraygun body (1), it is characterized in that: also
Including the built-in pipe (3) being preset on furnace wall, in one end connection furnace of the built-in pipe (3), the other end is communicated with casing (4),
The spraygun body (1) is connected with one end of spray head (2) through casing (4) and protrudes into built-in pipe (3), and the spray head (2)
One end of connection spraygun body (1) is in built-in pipe (3), and the spray head (2) is in furnace away from the one end of spraygun body (1)
It is interior, it is slidably connected between the spraygun body (1) and casing (4), described sleeve pipe is additionally provided on (4) for changing spraygun body
(1) between casing (4) relative position telescopic device (5).
2. denitration spray gun according to claim 1, it is characterized in that: passing through cunning between the spraygun body (1) and casing (4)
Dynamic component (6) connection, the sliding component (6) include sliding slot (61) and draw runner (62), and the sliding slot (61) is arranged in casing (4)
On inner wall, draw runner (62) setting is slidably matched between the draw runner (62) and sliding slot (61) in spraygun body (1).
3. denitration spray gun according to claim 1, it is characterized in that: detachably connecting between described sleeve pipe (4) and built-in pipe (3)
It connects.
4. denitration spray gun according to claim 3, it is characterized in that: being connected between casing (4) and built-in pipe (3) by screw
It connects, is equipped with flange (7) on described sleeve pipe (4) and built-in pipe (3), furnace wall is equipped with threaded hole, and screw passes through flange (7) and spiral shell
It is connected in threaded hole, and is additionally provided with gusset (8) between the flange (7) on casing (4) and casing (4).
5. denitration spray gun according to claim 1, it is characterized in that: the spraygun body (1) includes inner tube (11), outer tube
(12), air inlet pipe (13) and inlet tube (14), the outer tube (12) are set in inner tube (11) outside, the outer tube (12) and inner tube
(11) the first cavity is formed between, the second cavity is formed inside said inner tube (11), the air inlet pipe (13) and inner tube (11) are even
Logical, the inlet tube (14) is connected to outer tube (12), and said inner tube (11) and outer tube (12) are all connected to spray head (2), and first is empty
Chamber and the second cavity are connected to and spray head (2).
6. denitration spray gun according to claim 5, it is characterized in that: the air inlet pipe (13) and inlet tube (14) are disposed as
Metal hose.
7. denitration spray gun according to claim 5, it is characterized in that: the spray head (2) includes transition block (21), locking cap
(22) it is connected to spraygun body (1) with nozzle (23), the transition block (21), the transition block (21) is equipped with central through hole
(9) be connected to annular through groove (10), central through hole (9) with the second cavity, annular through groove (10) is connected to the first cavity, it is described in
The central axis of heart through-hole (9) and annular through groove (10) is conllinear, and air inlet duct (15), lead channel are equipped in the nozzle (23)
(16), gas transmission through-hole (17), infusion through-hole (18) and mixing through-hole (19), the air inlet duct (15) are connected to central through hole (9),
The lead channel (16) is connected to annular through groove (10), and one end of the gas transmission through-hole (17) is connected to air inlet duct (15), the other end
One end of connection mixing through-hole (19), infusion through-hole (18) connects lead channel (16), and the other end is connected to mixing through-hole
(19), the locking cap (22) is equipped with impenetrating mouth, and nozzle (23) inlay card is in locking cap (22), and the nozzle (23)
One end with mixing through-hole (19) passes through impenetrating mouth, and the locking cap (22) is connected to transition block (21).
8. denitration spray gun according to claim 7, it is characterized in that: block storage (20) are additionally provided in the locking cap (22),
The block storage (20) is equipped with gas storage through-hole (24) and liquid storage through slot (25), and the both ends of the gas storage through slot are respectively communicated with center
Through-hole (9) and air inlet duct (15), and the cross-sectional area of the gas storage through slot is greater than the cross-sectional area of central through hole (9), the storage
The cross-sectional area of vent hole (24) be greater than air inlet duct (15) cross-sectional area, the liquid storage through slot (25) include big through slot (26) and
Small through slot (27), the big through slot (26) are connected to small through slot (27), and the small through slot (27) deviates from the one end of big through slot (26)
It is connected to annular through groove (10), the big through slot (26) is connected to lead channel (16) away from the one end of small through slot (27), the big through slot
(26), the cross-sectional area of small through slot (27) and lead channel (16) is annular, and the cross-sectional area of the big through slot (26) is greater than
The cross-sectional area of small through slot (27), the cross-sectional area of the small through slot (27) is equal to the cross-sectional area of annular through groove (10), described
The cross-sectional area of big through slot (26) is equal to the cross-sectional area of lead channel (16).
9. denitration spray gun according to claim 1, it is characterized in that: the telescopic device (5) includes cylinder (51) and first
It pushes piece (52), the cylinder (51) is arranged on casing (4), and the piston rod of the cylinder (51) is connected to the first promotion piece
(52) one end, described first pushes piece (52) to be connected to spraygun body (1) away from spray head (2) away from the one end of cylinder (51)
One end.
10. denitration spray gun according to claim 1, it is characterized in that: the telescopic device (5) includes motor (53), lead screw
(54), nut seat (55) and second pushes piece (56), and the motor (53) is arranged on casing (4) by rack (28), described
Motor (53) and lead screw (54) are linked, and the nut seat (55) is arranged on lead screw (54), and described second pushes the one of piece (56)
End is connected to nut seat (55), and the other end is connected to one end that spraygun body (1) deviates from spray head (2), is gone back on the rack (28)
Equipped with gag lever post (29), the gag lever post (29) is through nut seat (55) and is parallel to lead screw (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820872878.8U CN208591707U (en) | 2018-06-05 | 2018-06-05 | Denitration spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820872878.8U CN208591707U (en) | 2018-06-05 | 2018-06-05 | Denitration spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208591707U true CN208591707U (en) | 2019-03-12 |
Family
ID=65601019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820872878.8U Expired - Fee Related CN208591707U (en) | 2018-06-05 | 2018-06-05 | Denitration spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208591707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394262A (en) * | 2019-08-07 | 2019-11-01 | 重通成飞风电设备江苏有限公司 | A kind of wind-powered electricity generation built-in turnbuckle inner cavity anti-corrosion oil spurts tooling |
-
2018
- 2018-06-05 CN CN201820872878.8U patent/CN208591707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394262A (en) * | 2019-08-07 | 2019-11-01 | 重通成飞风电设备江苏有限公司 | A kind of wind-powered electricity generation built-in turnbuckle inner cavity anti-corrosion oil spurts tooling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103764295B (en) | Atomizing nozzle device, atomization method and purposes | |
| US7674449B2 (en) | Process and apparatus for the combustion of a sulfur-containing liquid | |
| CN103506233A (en) | Two-stage atomizing double fluid spraying device | |
| CN208591707U (en) | Denitration spray gun | |
| CN207871876U (en) | A kind of wet desulphurization swirling flow atomizing spray equipment | |
| CN203737462U (en) | Large-flow spiral type sprayer for denitration spraying gun | |
| CN103752436B (en) | The rotatable pneumatic atomization system of shower nozzle | |
| CN208680534U (en) | A kind of cooling device of auto parts manufacture | |
| CN204911865U (en) | Twin -fluid atomization shower nozzle with adjustable | |
| CN220870901U (en) | Inside denitrification facility of boiler furnace | |
| CN211800000U (en) | Automatic concertina type denitration spray gun | |
| CN104624425A (en) | Air atomization spray gun for denitration | |
| CN2275008Y (en) | Wet spray gun | |
| CN205995264U (en) | A kind of front end atomization automatic telescopic spray gun of SNCR system | |
| CN207187486U (en) | Reducing agent sprayer unit for denitrating flue gas | |
| CN110513702A (en) | A kind of waste incinerator denitration adjustable spray equipment and SNCR denitration system | |
| CN214288867U (en) | Rotary fuel type supersonic speed spray gun | |
| CN208660770U (en) | A kind of SNCR denitration device for waste incineration flue gas | |
| CN107469608A (en) | Reducing agent sprayer unit for denitrating flue gas | |
| CN212157259U (en) | Fuel coal oil injection igniter | |
| CN208642305U (en) | A kind of desulfurizing tower import spray equipment | |
| CN206676583U (en) | Rear end exterior mixing atomization hollow cone denitration spray gun | |
| CN207463528U (en) | Ball blast spray painting all-in-one machine | |
| CN102353051B (en) | Method for reducing NOx of rotary cement kiln and water-coal-slurry spraying gun | |
| CN206522766U (en) | A kind of internal-mixing burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |