Double-fluid multi-nozzle efficient denitration spray gun

Abstract

The utility model discloses a double-fluid multi-nozzle efficient denitration spray gun, belongs to the technical field of denitration spray guns, and solves the problems that a connecting plate and a circular middle plate of an existing device can hinder circulation of gas passing through an annular frame, so that the gas flow is reduced, and the denitration efficiency is reduced. The mounting assembly comprises an annular plate and a fixing lug, mounting grooves distributed in an annular array are formed in the middle of the top surface of the annular plate in a penetrating mode, an atomization spraying assembly is arranged at the bottom of the mounting assembly, the mounting assembly is assembled in equipment needing denitration, then bolts penetrate through connecting holes, and the atomization spraying assembly is arranged in the annular plate. The fixed plate can be fixed on the inner wall of equipment needing denitration, then the soft plate, the first storage hole and the second storage hole are attached to the inner wall of the equipment, the situation that the atomization spraying assembly hinders circulation of gas in the equipment is avoided, the flow of the gas in the equipment can be increased, and then the denitration efficiency and the denitration effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to denitration spray gun technical field, concretely is a kind of double-fluid multi-nozzle high-efficiency denitration spray gun. BACKGROUND

[0002] Double-fluid nozzle has the advantages of fine and uniform atomization particles, large coverage area, energy saving, high dust removal efficiency and strong anti-blocking performance, and is widely used in desulfurization, denitration, wastewater zero discharge, flue gas cooling and dust removal, etc., and the denitration method includes low-temperature SCR and medium-temperature SCR, and the reaction temperature of low-temperature SCR method is usually between 150℃ and 300℃, which is suitable for denitration treatment of low-temperature flue gas.

[0003] Through search, the application book with patent application number 202023029870.1 discloses a double-fluid multi-nozzle high-efficiency denitration spray gun, which comprises a ring-shaped frame, a circular middle plate, a connecting plate, a sliding rail and a sliding block. The circular middle plate is arranged at the center of the ring-shaped frame. The connecting plate is arranged between the circular middle plate and the ring-shaped frame. The sliding rail is connected to the bottom of the connecting plate. The sliding block is connected to the bottom of the sliding rail. The double-fluid nozzle is arranged at the bottom of the sliding block. The flanges corresponding to the sliding block and the double-fluid nozzle are arranged at the bottom of the sliding block and the top of the double-fluid nozzle. The flanges of the sliding block and the double-fluid nozzle are connected by bolts.

[0004] Although the double-fluid multi-nozzle high-efficiency denitration spray gun is connected by sliding connection of the sliding block and the sliding rail, the user can adjust the position of the double-fluid nozzle by sliding the sliding block according to the atomization density of the denitration position, so as to adjust the atomization density. However, the connecting plate and the circular middle plate of the double-fluid multi-nozzle high-efficiency denitration spray gun hinder the flow of gas through the ring-shaped frame, which reduces the gas flow and the denitration efficiency.

[0005] Therefore, we propose a double-fluid multi-nozzle high-efficiency denitration spray gun. CONTENT OF THE UTILITY MODEL

[0006] In view of the shortcomings of the prior art, the utility model provides a double-fluid multi-nozzle high-efficiency denitration spray gun, which solves the problem that the connecting plate and the circular middle plate of the existing device hinder the flow of gas through the ring-shaped frame, which reduces the gas flow and the denitration efficiency.

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a double-fluid multi-nozzle high-efficiency denitration spray gun, comprising a mounting assembly, the mounting assembly comprising a ring-shaped plate and a fixing lug;

[0008] The middle part of the top surface of the ring-shaped plate is provided with a mounting slot arranged in a ring-shaped array, and the bottom of the mounting assembly is provided with an atomization spraying assembly;

[0009] The atomizing injection assembly comprises a soft plate, a fixing plate, an air inlet pipe, a liquid inlet pipe, a first branch pipe, a second branch pipe, a valve and a double-fluid nozzle.

[0010] The top end of the soft plate is fixedly sleeved in the mounting groove, the top surface of the soft plate is provided with symmetrically distributed first receiving holes and second receiving holes, the side wall of the soft plate is provided with linearly arrayed first shunt holes and second shunt holes, the first shunt holes and the second shunt holes are respectively communicated with the first receiving holes and the second receiving holes, the inner parts of the first receiving holes and the second receiving holes are respectively fixedly sleeved with first receiving hole sleeves and second receiving hole sleeves, the top surfaces of the first receiving hole sleeves and the second receiving hole sleeves are open and the bottom surfaces thereof are closed, and the first branch pipe and the second branch pipe are respectively fixedly sleeved in the first shunt holes and the second shunt holes, one end of each of the first branch pipe and the second branch pipe is communicated with the first receiving hole and the second receiving hole, and the other end of each of the first branch pipe and the second branch pipe is communicated with two input ends of the double-fluid nozzle.

[0011] Preferably, the soft plate, the air inlet pipe, the liquid inlet pipe, the first branch pipe and the second branch pipe are all made of fluororubber, wherein the fluororubber has excellent high-temperature resistance and is an ideal material for sealing and protection in high-temperature environments, and the fluororubber has a wide high-temperature resistance range, and different types and formulas of fluororubber can be selected according to specific application requirements.

[0012] Preferably, the bottom surface of the soft plate is fixedly provided with the fixing plate, the side wall of the fixing plate is provided with a connecting hole, a bolt is used to pass through the connecting hole to fix the fixing plate on the inner wall of the denitration equipment, and then the soft plate, the first receiving hole and the second receiving hole are attached to the inner wall of the equipment.

[0013] Preferably, the first branch pipe and the second branch pipe are both provided with the valve, wherein the valve on the first branch pipe can be used to control whether the first branch pipe discharges gas, and the valve on the second branch pipe can be used to control whether the second branch pipe discharges liquid.

[0014] Preferably, the edge of the top surface of the annular plate is fixedly provided with fixed ears in annular array, the side wall of the fixed ear is provided with a fixing hole, and the fixed ears and the mounting groove are staggered, wherein a bolt is used to pass through the fixing hole to assemble the mounting assembly in the denitration equipment.

[0015] The utility model provides a kind of double-fluid multi-nozzle high-efficiency denitration lance.It has the following beneficial effects.

[0016] The double-fluid multi-nozzle high-efficiency denitration spray gun is characterized in that the mounting assembly is assembled in the interior of the equipment in need of denitration, then the fixed plate is fixed on the inner wall of the equipment in need of denitration by using the bolts to pass through the connecting holes, and then the soft plate, the first receiving hole and the second receiving hole are attached to the inner wall of the equipment, so that the atomizing spray assembly does not hinder the gas circulation in the interior of the equipment, the gas flow in the interior of the equipment is improved, the denitration efficiency is improved, the double-fluid nozzles of different heights can be atomized and sprayed, the same gas can be denitrated for multiple times, the denitration effect on the gas in the interior of the equipment is improved, and the problems that the connecting plate and the circular middle plate of the prior device hinder the gas circulation through the annular frame and reduce the gas flow and the denitration efficiency are solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the mounting assembly of the utility model;

[0019] Figure 3 It is a split structural schematic view of the atomizing spray assembly of the utility model;

[0020] Figure 4 It is an enlarged structural schematic view of A of the utility model Figure 3 .

[0021] In the drawing: 1, mounting assembly; 11, annular plate; 12, mounting groove; 13, fixed lug; 14, fixed hole; 2, atomizing spray assembly; 21, soft plate; 22, first receiving hole; 23, first shunt hole; 24, second shunt hole; 25, fixed plate; 26, connecting hole; 27, gas inlet pipe; 28, liquid inlet pipe; 29, first branch pipe; 210, second branch pipe; 211, valve; 212, double-fluid nozzle; 213, second receiving hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1

[0024] As Figures 1-4As shown: including installation assembly 1, installation assembly 1 includes annular plate 11 and fixed lug 13, the top of annular plate 11 is provided with installation slot 12 in the middle of annular array, the bottom of installation assembly 1 is provided with atomization injection assembly 2, atomization injection assembly 2 includes soft plate 21, fixed plate 25, air inlet pipe 27, liquid inlet pipe 28, first branch pipe 29, second branch pipe 210, valve 211 and double-fluid nozzle 212, the top of soft plate 21 is fixedly sleeved in the inside of installation slot 12, the top of soft plate 21 is provided with first receiving hole 22 and second receiving hole 213 distributed symmetrically, the side wall of soft plate 21 is provided with first shunt hole 23 and second shunt hole 24 distributed in linear array, first shunt hole 23 and second shunt hole 24 are communicated with first receiving hole 22 and second receiving hole 213 respectively, the inside of first receiving hole 22 and second receiving hole 213 is fixedly sleeved with first receiving hole 22 and second receiving hole 213 respectively, the top of first receiving hole 22 and second receiving hole 213 is open and the bottom is closed, first branch pipe 29 and second branch pipe 210 are fixedly sleeved in first shunt hole 23 and second shunt hole 24 respectively, one end of first branch pipe 29 and second branch pipe 210 is communicated with first receiving hole 22 and second receiving hole 213 respectively, the other end of first branch pipe 29 and second branch pipe 210 is communicated with the two input ends of double-fluid nozzle 212 respectively, soft plate 21, air inlet pipe 27, liquid inlet pipe 28, first branch pipe 29 and second branch pipe 210 are all fluorine rubber material, the bottom of soft plate 21 is fixedly installed with fixed plate 25, the side wall of fixed plate 25 is provided with connecting hole 26, valve 211 is installed on first branch pipe 29 and second branch pipe 210, by assembling installation assembly 1 in the inside of the equipment needing to be denitration, then using bolt through connecting hole 26, fixed plate 25 can be fixed on the inner wall of the equipment needing to be denitration, then make soft plate 21, first receiving hole 22 and second receiving hole 213 stick to the inner wall of the equipment, avoid the situation that atomization injection assembly 2 hinders the gas circulation inside the equipment, it is favorable to improve the flow of gas inside the equipment, then improve the denitration efficiency, and different height double-fluid nozzle 212 can be atomized and sprayed, the same gas can be denitration treated for many times, it is favorable to improve the denitration effect of the gas inside the equipment;

[0025] Example 2:

[0026] As Figures 1-2 shown: the edge of the top of annular plate 11 is fixedly installed with fixed lug 13 distributed in annular array, the side wall of fixed lug 13 is provided with fixed hole 14, fixed lug 13 and installation slot 12 are staggered, bolt through fixed hole 14 can be used to assemble installation assembly 1 in the inside of the equipment needing to be denitration.

[0027] The working principle and use process of the utility model: the double-fluid multi-nozzle high-efficiency denitration spray gun, when using, first use bolt to pass through fixed hole 14, can install assembly 1 in the inside of the equipment that needs to carry out denitration, then use bolt to pass through connecting hole 26, can fix fixed plate 25 on the inner wall of the equipment that needs to carry out denitration, then make soft board 21, first storage hole 22 and second storage hole 213 stick to the inner wall of the equipment, then control the first branch pipe 29 of different positions to open or close, then make the air inlet pipe 27 and liquid inlet pipe 28 respectively with the gas supply and water supply pipe of outside intercommunication, then the gas in the gas supply pipeline will enter the inside of the first branch pipe 29 through the air inlet pipe 27, the water in the water supply pipeline will enter the inside of the second branch pipe 210 through the liquid inlet pipe 28, finally the water body and gas will be sprayed through the double-fluid nozzle 212, namely can realize the denitration treatment to the gas that passes through the atomization spray assembly 2.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A double-fluid multi-nozzle high-efficiency denitration spray gun, comprising a mounting assembly (1), wherein the mounting assembly (1) comprises a ring-shaped plate (11) and a fixing lug (13); a mounting groove (12) in a ring-shaped array is formed in the middle of the top surface of the ring-shaped plate (11); and an atomizing spray assembly (2) is arranged at the bottom of the mounting assembly (1). characterized in that The atomizing spray assembly (2) comprises a soft plate (21), a fixing plate (25), an air inlet pipe (27), a liquid inlet pipe (28), a first branch pipe (29), a second branch pipe (210), a valve (211) and a double-fluid nozzle (212). The top end of the soft plate (21) is fixedly sleeved in the mounting groove (12), the top surface of the soft plate (21) is provided with a first receiving hole (22) and a second receiving hole (213) in a symmetrical distribution, the side wall of the soft plate (21) is provided with a first shunt hole (23) and a second shunt hole (24) in a linear array, the first shunt hole (23) and the second shunt hole (24) are respectively connected with the first receiving hole (22) and the second receiving hole (213), the inside of the first receiving hole (22) and the second receiving hole (213) is respectively fixedly sleeved with the first receiving hole (22) and the second receiving hole (213), the top surface of the first receiving hole (22) and the second receiving hole (213) is open and the bottom surface is closed, the first shunt hole (23) and the second shunt hole (24) are respectively fixedly sleeved with the first branch pipe (29) and the second branch pipe (210), one end of the first branch pipe (29) and the second branch pipe (210) is respectively connected with the first receiving hole (22) and the second receiving hole (213), and the other end of the first branch pipe (29) and the second branch pipe (210) is respectively connected with two input ends of the double-fluid nozzle (212). The soft plate (21), the air inlet pipe (27), the liquid inlet pipe (28), the first branch pipe (29) and the second branch pipe (210) are all made of fluorine rubber.

2. The dual fluid multi-nozzle high-efficiency denitration lance according to claim 1, characterized in that: The bottom surface of the soft plate (21) is fixedly provided with the fixing plate (25), and the side wall of the fixing plate (25) is provided with a connecting hole (26).

3. The dual fluid multi-nozzle high-efficiency denitration lance according to claim 1, characterized in that: The first branch pipe (29) and the second branch pipe (210) are both provided with the valve (211).

4. The dual fluid multi-nozzle high-efficiency denitration lance according to claim 1, characterized in that: The edge of the top surface of the ring-shaped plate (11) is fixedly provided with the fixing lug (13) in a ring-shaped array, the side wall of the fixing lug (13) is provided with a fixing hole (14), and the fixing lug (13) and the mounting groove (12) are staggered.

5. The dual fluid multi-nozzle high efficiency deNOx lance according to claim 1, wherein: ​

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