Ammonia water spraying device for nitrogen oxide treatment

Abstract

The utility model discloses an ammonia water spraying device for nitrogen oxide treatment, which comprises a movable spraying assembly, and the movable spraying assembly comprises an adjustable mounting plate, a treatment box, an ammonia water compressed air adjusting box, a spraying gun, a U-shaped pipe and a straight pipe; the filtering and dehumidifying assembly comprises a glass fiber plate and a calcium chloride plate, the middle lower part of the treatment box is movably connected with the glass fiber plate, and the middle upper part of the treatment box is movably connected with the calcium chloride plate. The glass fiber plate can intercept and filter particle impurities in compressed air, then the filtered compressed air makes contact with the calcium chloride plate, calcium chloride molecules serve as an excellent dehumidifying agent to absorb moisture in the compressed air at the moment, and therefore filtering and dehumidification of the compressed air are achieved. In the subsequent conveying process, the situations that ammonia water is diluted due to water condensation and a spray head is blocked by impurities can be avoided, and the stability of the atomization effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen oxide treatment technical field, especially a kind of ammonia water injection device for nitrogen oxide treatment. BACKGROUND

[0002] By accurately controlling the injection amount and injection position of ammonia water, ammonia gas can be fully mixed with nitrogen oxides and react, effectively reducing the emission of nitrogen oxides.

[0003] According to the ammonia water injection device for nitrogen oxide treatment and remote control method disclosed in CN117696330 A, the position of the spray gun can be adjusted by moving it horizontally, the height of the spray gun can be adjusted by moving it up and down, the number of spray guns can be increased or decreased by providing multiple through holes on the mounting plate, and the amount of ammonia water can be increased or decreased by providing the ammonia water compressed air adjusting box. The size of compressed air and the amount of ammonia injection can be adjusted to achieve the best atomization effect. Therefore, the existing ammonia injection device can be adjusted again due to working conditions or equipment factors during later use.

[0004] In the prior art, compressed air is used as the atomization medium without corresponding treatment. Since there is a small amount of moisture and impurities in the compressed air, it is easy to cause moisture condensation, leading to ammonia water dilution and impurities blocking the nozzle, which affects the reduction reaction. Therefore, a new structure is needed to solve the above problems. SUMMARY

[0005] The utility model aims at providing an ammonia water injection device for nitrogen oxide treatment to solve the problem of using compressed air as the atomization medium without corresponding treatment in the prior art, which causes moisture condensation leading to ammonia water dilution and impurities blocking the nozzle, affecting the reduction reaction.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an ammonia water injection device for nitrogen oxide treatment, which comprises:

[0008] The active spraying assembly comprises an adjustable mounting plate, a treatment box, an ammonia water compressed air adjusting box, a spraying gun, a U-shaped pipe and a straight pipe, the treatment box is fixedly installed at the top left side of the adjustable mounting plate, the ammonia water compressed air adjusting box is fixedly connected to the middle of the top of the adjustable mounting plate, the spraying gun is fixedly installed at the top right side of the adjustable mounting plate, the treatment box and the ammonia water compressed air adjusting box are connected through the U-shaped pipe, and the ammonia water compressed air adjusting box and the spraying gun are connected through the straight pipe.

[0009] The filtering and dehumidifying assembly comprises a glass fiber plate and a calcium chloride plate, the glass fiber plate is movably connected to the lower part of the treatment box, and the calcium chloride plate is movably connected to the upper part of the treatment box.

[0010] Further, the active spraying assembly further comprises a first air suction pump and a second air suction pump, the first air suction pump is installed in the middle of the U-shaped pipe, and the second air suction pump is installed in the middle of the straight pipe.

[0011] Further, the active spraying assembly further comprises a first circular slot, a second circular slot and a ventilation pipe, the first circular slot is formed in the top of the treatment box, the second circular slot is formed in the lower left side of the treatment box, one end of the U-shaped pipe is connected to the first circular slot, and one end of the ventilation pipe is connected to the second circular slot.

[0012] Further, the active spraying assembly further comprises an ammonia water inlet pipe, and the ammonia water inlet pipe is fixedly installed at the top of the ammonia water compressed air adjusting box.

[0013] Further, the active spraying assembly further comprises a first circular slot, a second circular slot and a ventilation pipe, the first circular slot is formed in the top of the treatment box, the second circular slot is formed in the lower left side of the treatment box, one end of the U-shaped pipe is connected to the first circular slot, and one end of the ventilation pipe is connected to the second circular slot.

[0014] Further, the active spraying assembly further comprises a first circular slot, a second circular slot and a ventilation pipe, the first circular slot is formed in the top of the treatment box, the second circular slot is formed in the lower left side of the treatment box, one end of the U-shaped pipe is connected to the first circular slot, and one end of the ventilation pipe is connected to the second circular slot.

[0015] Further, the active spraying assembly further comprises a first circular slot, a second circular slot and a ventilation pipe, the first circular slot is formed in the top of the treatment box, the second circular slot is formed in the lower left side of the treatment box, one end of the U-shaped pipe is connected to the first circular slot, and one end of the ventilation pipe is connected to the second circular slot.

[0016] Compared with the prior art, the active spraying assembly has the following advantages:

[0017] The utility model discloses, compressed air passes into the processing box through the breather pipe, first, the glass fiber plate carries out intercepting filtration to the particulate impurity in compressed air, and then, the compressed air after filtration contacts calcium chloride board, at this moment, the calcium chloride molecule as excellent dehumidifier absorbs the moisture in compressed air, thereby realizes the filtration dehumidification of compressed air, and then can avoid the ammonia water dilution and the condition that the impurity blocks the nozzle because of the moisture condensation in the subsequent conveying process, guarantees the stability of atomization effect.

[0018] Based on the above beneficial effects, since the protective frame is in the shape of a right-angled trapezoid, the compressed air can slide along the side wall of the protective frame when passing through the protective frame, avoiding the normal flow of the compressed air and the residual of the compressed air. By moving out the plug-in plate and cooperating the strip-shaped sliding groove with the strip-shaped plate, the protective frame can be disassembled and assembled, and the glass fiber plate and the calcium chloride plate can be quickly replaced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used for the embodiment, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is the overall front view of the utility model;

[0021] Figure 2 It is the internal schematic diagram of the processing box of the utility model;

[0022] Figure 3 It is the turnover angle schematic diagram of the glass fiber plate and the calcium chloride plate of the utility model;

[0023] Figure 4 It is the internal section view of the protective frame of the utility model;

[0024] Figure 5 It is the strip-shaped plate connection schematic diagram of the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 101, adjustable mounting plate;102, processing box;103, ammonia water compressed air adjusting box;104, spray gun;105, U-shaped pipe;106, straight pipe;107, first air pump;108, second air pump;109, first circular slot;1010, second circular slot;1011, breather pipe;1012, ammonia water inlet pipe;

[0027] 201, glass fiber plate; 202, calcium chloride plate;

[0028] 301, rectangular slot; 302, receiving groove; 303, plug-in plate; 304, pull plate; 305, protective frame; 306, strip-shaped sliding groove; 307, strip-shaped plate. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways different from those described herein without departing from the scope of the present application, and those skilled in the art can make similar generalizations without departing from the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0031] In order to make the purposes, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

[0032] Please refer to Figures 1-5 The embodiment is an ammonia water injection device for nitrogen oxide treatment, which comprises:

[0033] The movable injection assembly comprises an adjustable mounting plate 101, a treatment box 102, an ammonia water compressed air adjusting box 103, an injection gun 104, a U-shaped pipe 105 and a straight pipe 106. The treatment box 102 is fixedly installed on the left top end of the adjustable mounting plate 101. The ammonia water compressed air adjusting box 103 is fixedly connected to the middle top end of the adjustable mounting plate 101. The injection gun 104 is fixedly installed on the right top end of the adjustable mounting plate 101. The treatment box 102 and the ammonia water compressed air adjusting box 103 are connected through the U-shaped pipe 105. The ammonia water compressed air adjusting box 103 and the injection gun 104 are connected through the straight pipe 106.

[0034] The adjustable mounting plate 101 provides protection for the installation of components. The treatment box 102 is used to treat compressed air. The ammonia water compressed air adjusting box 103 is used to adjust ammonia water. The injection gun 104 sprays ammonia water mist. The U-shaped pipe 105 and the straight pipe 106 are used to transport medium and mixture.

[0035] The filter and dehumidification assembly comprises a glass fiber plate 201 and a calcium chloride plate 202. The glass fiber plate 201 is movably connected to the lower part of the treatment box 102. The calcium chloride plate 202 is movably connected to the upper part of the treatment box 102.

[0036] The glass fiber plate 201 is used for filtering impurities in compressed air, and the calcium chloride plate 202 is used for absorbing moisture.

[0037] The movable spraying assembly further comprises a first air suction pump 107 and a second air suction pump 108, the first air suction pump 107 is arranged in the middle of the U-shaped pipe 105, and the second air suction pump 108 is arranged in the middle of the straight pipe 106.

[0038] The first air suction pump 107 and the second air suction pump 108 are used to accelerate the moving speed of the gas.

[0039] The movable spraying assembly further comprises a first circular slot 109, a second circular slot 1010 and an air pipe 1011, the first circular slot 109 is arranged on the top of the processing box 102, the second circular slot 1010 is arranged on the left lower part of the processing box 102, the first circular slot 109 is connected with one end of the U-shaped pipe 105, and the second circular slot 1010 is connected with one end of the air pipe 1011.

[0040] The first circular slot 109 and the second circular slot 1010 are arranged, so that the installation of the U-shaped pipe 105 and the air pipe 1011 is guaranteed.

[0041] The movable spraying assembly further comprises an ammonia water inlet pipe 1012, the ammonia water inlet pipe 1012 is fixedly arranged on the top of the ammonia water compressed air adjusting box 103.

[0042] The ammonia water inlet pipe 1012 is arranged, so that the ammonia water is introduced into the ammonia water compressed air adjusting box 103.

[0043] The convenient replacement assembly further comprises a rectangular slot 301, a receiving groove 302, a plug plate 303 and a pull plate 304, the rectangular slot 301 is arranged on the upper part of one side of the processing box 102, the receiving groove 302 is arranged on the lower part of one side of the processing box 102, the plug plate 303 is movably connected between the rectangular slot 301 and the receiving groove 302, the pull plate 304 is fixedly connected to the top of the plug plate 303, and the glass fiber plate 201 and the calcium chloride plate 202 are located at the rear part of the plug plate 303.

[0044] The rectangular slot 301 and the receiving groove 302 are arranged, so that the plug plate 303 is movably connected, and the pull plate 304 is arranged, so that the plug plate 303 is conveniently pulled by a user.

[0045] The convenient replacement assembly further comprises a protection frame 305, a strip-shaped sliding groove 306 and a strip-shaped plate 307, the protection frame 305 is fixedly arranged outside the glass fiber plate 201 and the calcium chloride plate 202, the strip-shaped sliding groove 306 is arranged on the two sides of the protection frame 305, and the strip-shaped plate 307 is fixedly connected to the inner walls on the two sides of the processing box 102.

[0046] The setting of the protection frame 305 can realize protection of the glass fiber plate 201 and the calcium chloride plate 202, and the cooperation between the strip-shaped sliding groove 306 and the strip-shaped plate 307 provides guarantee for the movable connection of the protection frame 305 in the processing box 102.

[0047] The protection frame 305 is in a straight-angled trapezoidal shape on both sides.

[0048] The shape of the protection frame 305 provides guarantee for the sufficient flow of compressed air.

[0049] Working principle: compressed air is injected into the processing box 102 through the air pipe 1011, and ammonia water is injected into the ammonia water compressed air adjusting box 103 through the ammonia water injection pipe 1012, then the first air pump 107 is opened, at this time, the compressed air first contacts the glass fiber plate 201, the impurities in the compressed air are intercepted and filtered, then the filtered compressed air contacts the calcium chloride plate 202 upwards, at this time, the calcium chloride plate 202 absorbs the moisture in the compressed air, the filtered and dehumidified compressed air enters the ammonia water compressed air adjusting box 103 through the U-shaped pipe 105, at this time, the adjusting device in the ammonia water compressed air adjusting box 103 and the second air pump 108 are opened, the ammonia water mixture is added to the spray gun 104 through the straight pipe 106, then atomized and sprayed out, the pull plate 304 is pulled, then the plug plate 303 is pulled out upwards along the receiving groove 302 and the rectangular insertion slot 301, then the two protection frames 305 are pulled outwards, realizing the disassembly and replacement of the glass fiber plate 201 and the calcium chloride plate 202, this step can avoid the dilution of ammonia water and the blockage of the nozzle due to water condensation, and ensure the stability of the atomization effect.

[0050] In the description of the present application, it should be further pointed out that, unless otherwise specified and limited, the terms "setting", "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An ammonia water injection device for nitrogen oxide treatment, characterized by, Include: Active spray assembly, the active spray assembly includes adjustable mounting plate (101), processing box (102), ammonia water compressed air conditioning box (103), spray gun (104), U-shaped tube (105) and straight pipe (106), the adjustable mounting plate (101) top left side fixed installation processing box (102), the adjustable mounting plate (101) top middle part fixed connection ammonia water compressed air conditioning box (103), the adjustable mounting plate (101) top right side fixed installation spray gun (104), the processing box (102) and ammonia water compressed air conditioning box (103) between through U-shaped tube (105) connection, ammonia water compressed air conditioning box (103) and spray gun (104) between through straight pipe (106) connection; Filtering and dehumidifying assembly, the filtering and dehumidifying assembly includes glass fiber plate (201) and calcium chloride plate (202), the processing box (102) middle lower part movably connected glass fiber plate (201), the processing box (102) middle upper part movably connected calcium chloride plate (202).

2. The ammonia injection device for nitrogen oxide management according to claim 1, wherein The active spray assembly further includes first air pump (107) and second air pump (108), the U-shaped tube (105) middle part installs first air pump (107), the straight pipe (106) middle part installs second air pump (108).

3. The ammonia injection device for NOx control according to claim 1, wherein The active spray assembly further includes first circular slot (109), second circular slot (1010) and air pipe (1011), the processing box (102) top is provided with first circular slot (109), the processing box (102) left lower part is provided with second circular slot (1010), the first circular slot (109) is connected with one end of U-shaped tube (105), and the second circular slot (1010) is connected with one end of air pipe (1011).

4. The ammonia injection device for NOx control according to claim 1, wherein The active spray assembly further includes ammonia water inlet pipe (1012), and the ammonia water compressed air conditioning box (103) top is fixedly installed ammonia water inlet pipe (1012).

5. The ammonia injection device for NOx abatement according to claim 1, wherein Further include convenient replacement assembly, the convenient replacement assembly includes rectangular slot (301), receiving groove (302), plug-in plate (303) and pull plate (304), the processing box (102) one side upper part is provided with rectangular slot (301), the processing box (102) one side lower part is provided with receiving groove (302), the rectangular slot (301) and receiving groove (302) between movably connected plug-in plate (303), the plug-in plate (303) top fixedly connected pull plate (304), the glass fiber plate (201) and calcium chloride plate (202) are located in the plug-in plate (303) rear part.

6. The ammonia injection device for NOx abatement according to claim 5, wherein The convenient replacement assembly further comprises a protective frame (305), a strip-shaped sliding groove (306) and a strip-shaped plate (307), the outer side of the glass fiber plate (201) and the outer side of the calcium chloride plate (202) are fixedly installed with the protective frame (305), the strip-shaped sliding groove (306) is arranged on the two sides of the protective frame (305), and the two inner walls of the processing box (102) are fixedly connected with the strip-shaped plate (307); the strip-shaped sliding groove (306) is movably connected with the strip-shaped plate (307).

7. The ammonia injection device for NOx abatement according to claim 6, wherein The protective frame (305) is in a right trapezoidal shape in section.

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