CN217512143U

CN217512143U - Evaporative cooling type SNCR spray gun based on water cooling

Info

Publication number: CN217512143U
Application number: CN202221081452.3U
Authority: CN
Inventors: 陈钲; 郁奕华; 施文军
Original assignee: Suzhou Qianhengju Environmental Protection Technology Co ltd
Current assignee: Suzhou Qianhengju Environmental Protection Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-30
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an evaporation cooling type SNCR spray gun based on water-cooling, its characterized in that: including spray gun, spray gun shell, spraying water pipe, spray gun one end is located in the spray gun shell, and with spray gun shell fixed connection, the spraying water pipe is located in the shell cavity between spray gun and the spray gun shell, and with spray gun shell fixed connection. The utility model relates to a rationally, simple structure to the mode that water-cooling and steam cooling combined together cools down the SNCR spray gun, has avoided the spray gun high temperature to lead to the trouble or to production quality production influence, has improved the cooling efficiency to high temperature spray gun, has effectively guaranteed that the spray gun temperature keeps in safety range, has saved the consumption of cooling water simultaneously relatively, has reduced manufacturing cost, and detachable construction makes the workman more convenient to the inside washing of spray gun shell.

Description

Evaporative cooling type SNCR spray gun based on water cooling

Technical Field

The utility model belongs to the SNCR field, in particular to evaporation cooling type SNCR spray gun based on water-cooling.

Background

SNCR refers to selective non-catalytic reduction, i.e., a process of spraying a reducing agent to reduce nitrogen oxides in flue gas into harmless nitrogen and water at a temperature suitable for a denitration reaction without the action of a catalyst. In this process, need use the spray gun that spouts the reducing agent into the stove, because the spray gun sprays the during operation in the boiler, the temperature in the boiler is high, leads to the temperature of spray gun also sharply to rise, if not cooling down then probably lead to the spray gun life-span to reduce or influence the going on of spraying the work, current water-cooling spray gun has only carried out single water-cooling to the spray gun, and this process consumes the cooling water more, and cooling efficiency is not high, has increased resource consumption and manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above not enough, the utility model aims at providing an evaporation cooling type SNCR spray gun based on water-cooling, its reasonable in design, simple structure, the cooling of convolution has avoided the spray gun high temperature, has improved the cooling efficiency to high temperature spray gun, has saved the consumption of cooling water, has reduced manufacturing cost, and detachable construction makes the workman more convenient to the inside washing of spray gun shell.

The technical scheme is as follows: in order to achieve the above object, the utility model provides an evaporative cooling type SNCR spray gun based on water-cooling, its characterized in that: including spray gun, spray gun shell, spraying water pipe, spray gun one end is located in the spray gun shell, and with spray gun shell fixed connection, the spraying water pipe is located in the shell cavity between spray gun and the spray gun shell, and with spray gun shell fixed connection. The utility model relates to a rationally, simple structure to the mode that water-cooling and steam cooling combined together cools down the SNCR spray gun, has avoided the spray gun high temperature to lead to the trouble or to production quality production influence, has improved the cooling efficiency to high temperature spray gun, has effectively guaranteed that the spray gun temperature keeps in safety range, has saved the consumption of cooling water simultaneously relatively, has reduced manufacturing cost, and detachable construction makes the workman more convenient to the inside washing of spray gun shell.

Further, the spray gun includes water-cooling shell, spray gun body, water inlet, delivery port, baffle, first flange, inside the water-cooling shell was located to the spray gun body, and through baffle and water-cooling shell fixed connection, the water inlet is located the one end that the spraying water pipe was kept away from to the water-cooling shell relatively with the delivery port, and is located the baffle both sides, the one end that the water inlet was kept away from to the baffle extends to one side of spray gun body output, the water-cooling shell outside is located to first flange, and be located water inlet one side, first flange and water-cooling shell fixed connection. The baffle in the water-cooling shell separates the water-cooling shell into two parts to form water inlet water route and play water route, can effectively obstruct outside heat from this, and cooled down to the spray gun body.

Furthermore, a water pipe inlet and a water pipe outlet are formed in the first flange, and the water pipe inlet and the water pipe outlet are oppositely arranged on two sides of the water-cooling shell. The water pipe inlet and outlet on the first flange provide reference and convenience for water inlet and outlet of the spray water pipe.

Further, the spray gun shell includes shell body, second flange, go-between, the mouth of pipe of steam, a set of fixed plate, the mouth of pipe of water drainage, spray gun hole, the second flange is located the shell body and is close to one side of first flange, and passes through go-between and shell body fixed connection, the mouth of pipe of steam locates on the shell body with the mouth of pipe of water drainage relatively, and is located go-between one side, the shell body is located at the fixed plate interval, just the shell body passes through the fixed plate and is connected with the spray gun, the spray gun hole is located the one end of keeping away from the second flange on the shell body, and cooperates with the spray gun. The steam pipe mouth and the drain pipe mouth on the spray gun shell are used for discharging steam and redundant cooling water, can effectively cool down the inside of the spray gun shell and the spray gun, and save the consumption of the cooling water.

Furthermore, a group of through holes are formed in the second flange and the connecting ring, the first flange and the second flange are matched with the connecting ring, and two ends of the spray water pipe are fixedly connected with the through holes in the connecting ring. The arrangement of the through holes enables the first flange, the second flange, the connecting ring and the spraying water pipe to be accurately connected, and the detachable design enables the cleaning to be more convenient.

Furthermore, the spray water pipe circumference is located the spray gun outside, and is the spiral and encircles the form setting, the interval is equipped with a set of shower nozzle on the spray water pipe. The setting of shower nozzle makes the water pipe of spraying can spray the water smoke of cooling, further reduces the temperature of the inside and spray gun of spray gun shell.

Furthermore, adjacent spray heads on the spray water pipe are arranged in an axial staggered mode. The dislocation set makes the spray head spray cooling water more comprehensively to the inside of the spray gun shell and the spray gun, so that the cooling efficiency is obviously improved.

Furthermore, the output end of the spray gun body is conical and is matched with the spray gun shell. The conical design is more favorable for spraying by the spray gun, and the water mist between the spray gun and the spray gun shell cannot leak out by matching with the spray gun shell.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model provides a because water-cooled evaporation cooling type SNCR spray gun, reasonable in design, moreover, the steam generator is simple in structure, the mode that combines together with the steam cooling is cooled down the SNCR spray gun, avoided the spray gun high temperature to lead to the trouble or to production quality production influence, improved the cooling efficiency to the high temperature spray gun, effectively guaranteed that the spray gun temperature keeps in the safety range, the consumption of cooling water has been saved relatively simultaneously, the production cost is reduced, detachable construction makes the workman more convenient to the inside washing of spray gun shell.

2. The utility model provides a based on water-cooled evaporation cooling type SNCR spray gun, baffle in the water-cooled shell has separated into water inlet water route and water outlet water route with the water-cooled shell, has effectively blockked outside heat to having cooled down to the spray gun body, the conical design of spray gun more is favorable to the spray gun to spill, makes its and spray gun shell between the water smoke can not leak with the cooperation of spray gun shell.

3. The utility model provides a because water-cooled evaporation cooling type SNCR spray gun, water pipe on the first flange is imported and exported and is provided the benchmark and facility for the business turn over water of spraying water pipe, and the setting up of through-hole makes first flange, second flange and go-between be connected with spraying water pipe more accurately, and the detachable design makes the washing more convenient.

4. The utility model provides a because water-cooled evaporation cooling type SNCR spray gun, the steam pipe mouth and the water drainage pipe mouth on the spray gun shell are used for discharging vapor and unnecessary cooling water, can cool down spray gun shell inside and spray gun effectively, save the consumption of cooling water simultaneously.

5. The utility model provides a based on water-cooled evaporation cooling type SNCR spray gun, setting up of shower nozzle makes the water spray pipe can spray the water smoke of cooling, further reduces the temperature of the inside and spray gun of spray gun shell. The dislocation set makes the spray head spray cooling water more comprehensively to the inside of the spray gun shell and the spray gun, so that the cooling efficiency is obviously improved.

Drawings

Fig. 1 is a schematic structural diagram of an evaporative cooling type SNCR spray gun based on water cooling according to the present invention;

fig. 2 is a cross-sectional view of the water-cooled evaporative cooling type SNCR spray gun according to the present invention;

fig. 3 is a partial sectional view of the water-cooled evaporative cooling type SNCR spray gun according to the present invention;

in the figure: the spray gun comprises a spray gun 1, a spray gun shell 2, a spray water pipe 3, a shell cavity 4, a water-cooled shell 10, a spray gun body 11, a water inlet 12, a water outlet 13, a partition plate 14, a first flange 15, a shell body 20, a second flange 21, a connecting ring 22, a steam pipe opening 23, a fixing plate 24, a water discharge pipe opening 25, a spray gun hole 26, a water pipe inlet 151, a spray head 30, a water pipe outlet 152 and a through hole 210.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, an evaporation cooling type SNCR spray gun based on water cooling in this embodiment includes a spray gun 1, a spray gun housing 2, and a spray water pipe 3, where one end of the spray gun 1 is disposed in the spray gun housing 2 and is fixedly connected to the spray gun housing 2, and the spray water pipe 3 is disposed in a housing cavity 4 between the spray gun 1 and the spray gun housing 2 and is fixedly connected to the spray gun housing 2.

As shown in fig. 2 and 3, in this embodiment, spray gun 1 includes water-cooling shell 10, spray gun body 11, water inlet 12, delivery port 13, baffle 14, first flange 15, inside water-cooling shell 10 was located to spray gun body 11, and through baffle and water-cooling shell 10 fixed connection, water inlet 12 and delivery port 13 are located water-cooling shell 10 relatively and are kept away from the one end of spray water pipe 3, and are located 14 both sides of baffle, baffle 14 keeps away from one side that the one end of water inlet 12 extends to 11 outputs of spray gun body, the water-cooling shell 10 outside is located to first flange 15, and is located water inlet 12 one side, first flange 15 and water-cooling shell 10 fixed connection.

In this embodiment, the first flange 15 is provided with a water pipe inlet 151 and a water pipe outlet 152, and the water pipe inlet 151 and the water pipe outlet 152 are oppositely disposed on two sides of the water-cooling housing 10.

In this embodiment, the spray gun housing 2 includes the shell body 20, the second flange 21, the connecting ring 22, the steam pipe mouth 23, a set of fixed plate 24, the water discharge pipe mouth 25, the spray gun hole 26, the second flange is located the one side that is close to the first flange 15 on the shell body 20, and through connecting ring 22 and shell body 20 fixed connection, the steam pipe mouth 23 is located on the shell body 20 with the water discharge pipe mouth 25 relatively, and is located the connecting ring 22 one side, 24 intervals of fixed plate are located in the shell body 20, just the shell body 20 is connected with the spray gun 1 through the fixed plate 24, the spray gun hole 26 is located the one end of keeping away from the second flange 21 on the shell body 20, and cooperates with the spray gun 1.

In this embodiment, the second flange 21 and the connection ring 22 are both provided with a set of through holes 210, the first flange 15 and the second flange 21 are matched with the connection ring 22, and two ends of the spray water pipe 3 are fixedly connected with the through holes 210 on the connection ring 22.

Example 2

Based on the above structure, on the basis of embodiment 1, in this embodiment, the spraying water pipe 3 is circumferentially disposed outside the spray gun 1 and spirally arranged, and a group of nozzles 30 is disposed on the spraying water pipe 3 at intervals.

In this embodiment, the adjacent nozzles 30 on the spray water pipe 3 are axially staggered.

In this embodiment, the output end of the spray gun body 11 is conical and is matched with the spray gun housing 2.

When the utility model is used, firstly, the spray gun 1 is put into the spray gun shell 2, the output end of the spray gun body 11 is matched with the spray gun hole 26, at the moment, the first flange 15 is contacted and matched with the second flange 21, then the bolt on the first flange 15 is screwed, the spray gun 1 is connected with the spray gun shell 2, then the spray gun is placed in the boiler, the waterway switch is started, cooling water enters from the water inlet 12, flows to the output end of the spray gun body 11 along the clapboard 14, then flows back and flows out from the water outlet 13, meanwhile, water flow enters into the spray water pipe 3 from the water pipe inlet 151, flows along the spray water pipe 3 and finally flows out from the water pipe outlet 152, when the water flow flows, water mist is sprayed out from the spray head 30, thereby the cooling effect on the spray gun 1 and the spray gun shell 2 is achieved, when the water mist is evaporated due to high heat, water vapor is discharged from the steam pipe opening 23, if surplus cooling water which is not evaporated, it will be discharged from the drain nozzle 25.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an evaporation cooling type SNCR spray gun based on water-cooling which characterized in that: the spray gun comprises a spray gun (1), a spray gun shell (2) and a spray water pipe (3), wherein one end of the spray gun (1) is arranged in the spray gun shell (2) and is fixedly connected with the spray gun shell (2), and the spray water pipe (3) is arranged in a shell cavity (4) between the spray gun (1) and the spray gun shell (2) and is fixedly connected with the spray gun shell (2);

wherein, spray gun (1) is including water-cooling shell (10), spray gun body (11), water inlet (12), delivery port (13), baffle (14), first flange (15), water-cooling shell (10) inside is located in spray gun body (11), and through baffle and water-cooling shell (10) fixed connection, the one end of spraying water pipe (3) is kept away from in water-cooling shell (10) is located relatively in water inlet (12) and delivery port (13), and is located baffle (14) both sides, the one end that water inlet (12) were kept away from in baffle (14) extends to one side of spray gun body (11) output, water-cooling shell (10) outside is located in first flange (15), and be located water inlet (12) one side, first flange (15) and water-cooling shell (10) fixed connection.

2. The water-cooled based evaporative cooling SNCR spray gun of claim 1, wherein: be equipped with water pipe import (151) and water pipe export (152) on first flange (15), water pipe import (151) and water pipe export (152) are located water-cooling shell (10) both sides relatively.

3. The water-cooled based evaporative cooling type SNCR spray gun of claim 1, wherein: spray gun shell (2) include shell body (20), second flange (21), go-between (22), steam pipe mouth (23), a set of fixed plate (24), water drainage pipe mouth (25), spray gun hole (26), the second flange is located shell body (20) and is gone up one side that is close to first flange (15), and through go-between (22) and shell body (20) fixed connection, steam pipe mouth (23) and water drainage pipe mouth (25) are located relatively on shell body (20), and are located go-between (22) one side, fixed plate (24) interval is located in shell body (20), just shell body (20) are connected with spray gun (1) through fixed plate (24), spray gun hole (26) are located the one end of keeping away from second flange (21) on shell body (20), and with spray gun (1) cooperation.

4. The water-cooled based evaporative cooling type SNCR spray gun of claim 3, wherein: the second flange (21) and the connecting ring (22) are respectively provided with a group of through holes (210), the first flange (15) and the second flange (21) are matched with the connecting ring (22), and two ends of the spray water pipe (3) are fixedly connected with the through holes (210) in the connecting ring (22).

5. The water-cooled based evaporative cooling type SNCR spray gun of claim 1, wherein: spray water pipe (3) circumference is located spray gun (1) outside, and is the spiral and encircles the form setting, interval is equipped with a set of shower nozzle (30) on spray water pipe (3).

6. The water-cooled based evaporative cooling type SNCR spray gun of claim 5, wherein: the adjacent spray heads (30) on the spray water pipe (3) are arranged in an axial staggered manner.

7. The water-cooled based evaporative cooling type SNCR spray gun of claim 1, wherein: the output end of the spray gun body (11) is conical and is matched with the spray gun shell (2).