Furnace interior sprayer capable of spraying at multiple angles

Abstract

The utility model belongs to the technical field of in-furnace sprayers, and particularly relates to an in-furnace sprayer capable of spraying at multiple angles, which comprises a denitration box and a sprayer pipe, the sprayer pipe is arranged on the inner side of the denitration box, a port of the sprayer pipe is connected with a movable end of a pipeline rotating joint, and the upper side of a fixed end of the pipeline rotating joint is connected with a folding corrugated pipe. The upper end of the folding corrugated pipe is fixed with the connecting pipe, the connecting pipe is connected with the solution box, the solution box is fixed with the denitration box, and the outer side of the fixed end of the pipeline rotating joint is connected with the fixed plate. The nozzle pipe can realize multi-angle and all-directional spraying, so that the spraying is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of furnace inside sprayer, concretely is a kind of furnace inside sprayer of multi-angle spraying. BACKGROUND

[0002] Furnace inside sprayer is mainly used to improve combustion efficiency and reduce pollutant emission in incineration boiler, and the furnace inside sprayer is used to reduce nitrogen oxides by spraying reducing agent into the combustion chamber and reacting with nitrogen oxides at high temperature, so as to promote selective non-catalytic reduction process, thereby reducing the emission of nitrogen oxides;

[0003] After searching, the patent with announcement number CN218421636U discloses a furnace inside denitration device for incineration boiler, which comprises a denitration box, a denitration cavity is arranged in the denitration box, a filter box is arranged in the denitration cavity, a filter cavity is arranged in the filter box, an opening is arranged on the side wall of the filter box and communicates with the filter cavity, a filter screen is arranged in the filter box, mounting mechanisms are arranged on the two sides of the filter screen, an air inlet pipe is connected to the side wall of the denitration box, the air inlet pipe communicates with the filter cavity, a nozzle is arranged in the denitration box, an adjusting mechanism is arranged between the nozzle and the denitration box, a liquid storage tank is fixedly connected to the side wall of the denitration box, a feeding pipe is connected to the upper end of the liquid storage tank, a booster pump is fixedly arranged in the liquid storage tank, and a liquid conveying pipe is connected to the liquid conveying end of the booster pump. When the furnace inside denitration device for incineration boiler is used for denitration, urea solution is uniformly sprayed, and the reduction reaction with nitrogen oxides in flue gas is sufficient, so that the denitration efficiency of the incineration boiler is improved;

[0004] When the above device is used for denitration, the nozzle can only be simply moved up and down by adjusting the platform, so that the spraying coverage of the nozzle is limited, and it is difficult to realize omnidirectional spraying, and the nozzle is prone to uneven spraying at high nozzle position. SUMMARY

[0005] The utility model discloses a kind of furnace inside sprayers of multi-angle spraying to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of furnace inside sprayer of multi-angle spraying, including denitration box and spray head pipe, the inside of denitration box is provided with spray head pipe, and the through-orifice of spray head pipe is connected with the movable end of pipe rotary joint, the fixed end of pipe rotary joint is connected with folding wave pipe on the upside, the upper end of folding wave pipe is fixed with connecting pipe, and connecting pipe is connected with solution tank, solution tank is fixed with denitration box, the outside of fixed end of pipe rotary joint is connected with fixed plate.

[0007] Preferably, the outer side of the folded wave tube is sleeved with a connecting spring, and the two ends of the connecting spring are connected with the folded wave tube and the pipeline rotary joint respectively.

[0008] Preferably, the outer side of the movable end of the pipeline rotary joint is fixed with a gear, and the gear is opposite to a toothed plate.

[0009] Preferably, the toothed plate is fixed with the inner side of the denitration box, and a screw rod is penetrated through the inside of the fixed plate.

[0010] Preferably, the screw rod is movably connected with the denitration box through a bearing, and a sliding rod is slidably penetrated through the side of the fixed plate close to the screw rod.

[0011] Preferably, the two ends of the sliding rod are fixed with the denitration box respectively, and the upper end of the screw rod is fixed with the output end of the driving motor through a center rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] When the utility model is used for denitration, the reducing agent is sprayed through the nozzle pipe, the reducing agent and nitrogen oxide are chemically reacted, the driving motor is started at the same time, the nozzle pipe moves up and down and rotates at the same time, the folded wave tube can be extended or contracted along with the movement of the fixed plate, the movement of the nozzle pipe is not affected by the folded wave tube, the nozzle pipe can realize multi-angle and omnidirectional spraying through the combined movement of up and down and rotation, and the spraying is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the denitration box and the nozzle pipe of the utility model;

[0015] Figure 2 It is a schematic view of the nozzle pipe, the pipeline rotary joint and the connecting structure thereof of the utility model;

[0016] Figure 3 It is a three-dimensional structure schematic view of the denitration box and the nozzle pipe of the utility model; Figure 2 It is a three-dimensional structure schematic view of the denitration box and the nozzle pipe of the utility model;

[0017] In the drawing: 1, denitration box; 2, nozzle pipe; 201, pipeline rotary joint; 2011, fixed plate; 202, folded wave tube; 2021, connecting spring; 203, connecting pipe; 204, solution tank; 205, gear; 206, toothed plate; 207, screw rod; 2071, driving motor; 208, sliding rod. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a multi-angle spraying's in-furnace sprayer, including denitration box 1 and spray head pipe 2, the inside of denitration box 1 is provided with spray head pipe 2, and the through opening of spray head pipe 2 is connected with the movable end of pipe rotary joint 201, the fixed end of pipe rotary joint 201 is connected with folding wave pipe 202 on upside, the upper end of folding wave pipe 202 is fixed with connecting pipe 203, and connecting pipe 203 is connected with solution tank 204, solution tank 204 is fixed with denitration box 1, the outside of fixed end of pipe rotary joint 201 is connected with fixed plate 2011, folding wave pipe 202 is sleeved with connecting spring 2021 outside, and the both ends of connecting spring 2021 are connected with folding wave pipe 202 and pipe rotary joint 201 respectively, the outside of movable end of pipe rotary joint 201 is fixed with gear 205, and gear 205 is opposite with tooth plate 206, tooth plate 206 is fixed with the inside of denitration box 1, the inside of fixed plate 2011 is penetrated by screw rod 207, and screw rod 207 is movably connected with denitration box 1 by bearing, one side of fixed plate 2011 close to screw rod 207 is slidably penetrated by slide bar 208, and the both ends of slide bar 208 are fixed with denitration box 1 respectively, the upper end of screw rod 207 is fixed with the output end of driving motor 2071 by center rod, folding wave pipe 202 material is polytetrafluoroethylene, gear 205 and tooth plate 206 are engaged with butt joint, and fixed plate 2011 is connected with screw rod 207 with screw thread.

[0020] Specific implementation, according to Figures 1-3When the present utility model is used for denitration, the water pump and other devices installed inside the solution tank 204 are used to draw the reducing agent inside the solution tank 204 through the folding wave pipe 202 and the connecting pipe 203, and the reducing agent is sprayed through the spray pipe 2, so that the reducing agent and the nitrogen oxides can be chemically reacted to reduce the emission of nitrogen oxides; the spray pipe 2 is made of polytetrafluoroethylene, which has good chemical stability and can prevent the folding wave pipe 202 from being corroded by the reducing agent; meanwhile, the driving motor 2071 is started, the output end of the driving motor 2071 drives the screw rod 207 to rotate, the sliding rod 208 and the fixed plate 2011 are slidably connected, so that the fixed plate 2011 cannot rotate with the screw rod 207, the fixed plate 2011 is threadedly connected with the screw rod 207, so that the fixed plate 2011 can move up and down along the screw rod 207, when the fixed plate 2011 moves, the pipe rotary joint 201 drives the gear 205 to move, the gear 205 and the toothed plate 206 are meshingly connected, so that the gear 205 can drive the movable end of the pipe rotary joint 201 to rotate, so that the movable end of the pipe rotary joint 201 drives the spray pipe 2 to rotate, and the spray pipe 2 moves up and down while rotating, when the fixed plate 2011 moves downward along the screw rod 207, the folding wave pipe 202 can be extended with the movement of the fixed plate 2011 due to its good flexibility, and when the folding wave pipe 202 is extended, the connecting spring 2021 is stretched, when the fixed plate 2011 moves upward along the screw rod 207, the connecting spring 2021 is retracted, and the folding wave pipe 202 is accommodated inside the connecting spring 2021, so that the folding wave pipe 202 cannot affect the movement of the spray pipe 2, the combination of the upward and downward movement and the rotation of the spray pipe 2 can realize multi-angle and omnidirectional spraying, the spraying is more uniform, and the area covered is wider.

[0021] In summary, when the present utility model is used for denitration, the reducing agent is sprayed through the spray pipe 2, so that the reducing agent and the nitrogen oxides can be chemically reacted, the driving motor 2071 is started, the spray pipe 2 moves up and down while rotating, the combination of the upward and downward movement and the rotation of the spray pipe 2 can realize multi-angle and omnidirectional spraying, the spraying is more uniform, and the area covered is wider, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0022] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A multi-angle sprayable in-furnace sprayer, comprising a denitration box (1) and a nozzle pipe (2), characterized in that: The inner side of the denitration box (1) is provided with the nozzle pipe (2), and the through opening of the nozzle pipe (2) is connected with the movable end of a pipe rotary joint (201), the fixed end of the pipe rotary joint (201) is connected with a folded wave pipe (202) on the upper side, the upper end of the folded wave pipe (202) is fixed with a connecting pipe (203), the connecting pipe (203) is connected with a solution box (204), the solution box (204) is fixed with the denitration box (1), and the outer side of the fixed end of the pipe rotary joint (201) is connected with a fixed plate (2011).

2. A multi-angle sprayable in-furnace sprayer according to claim 1, characterized in that: The outer side of the folded wave pipe (202) is sleeved with a connecting spring (2021), and the two ends of the connecting spring (2021) are respectively connected with the folded wave pipe (202) and the pipe rotary joint (201).

3. A multi-angle sprayable in-furnace sprayer according to claim 2, characterized in that: The outer side of the movable end of the pipe rotary joint (201) is fixed with a gear (205), and the gear (205) is opposite to a toothed plate (206).

4. A multi-angle sprayable in-furnace sprayer according to claim 3, characterized in that: The toothed plate (206) is fixed with the inner side of the denitration box (1), and a screw rod (207) penetrates through the inside of the fixed plate (2011).

5. A multi-angle sprayable in-furnace sprayer according to claim 4, characterized in that: The screw rod (207) is movably connected with the denitration box (1) through a bearing, and a slide rod (208) slides and penetrates through the side of the fixed plate (2011) close to the screw rod (207).

6. A multi-angle sprayable in-furnace sprayer according to claim 5, characterized in that: The two ends of the slide rod (208) are respectively fixed with the denitration box (1), and the upper end of the screw rod (207) is fixed with the output end of a driving motor (2071) through a center rod.

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