Denitration ammonia water spraying nozzle mounting mechanism

Abstract

The utility model relates to the technical field of nozzle installation, in particular to a denitration ammonia water spraying nozzle installation mechanism which comprises a base, a gun body fixing assembly, a gun head fixing assembly and a limiting assembly. The forward and reverse thread screw is arranged in the sliding groove, and the gun body fixing assembly comprises a fixing plate, the forward and reverse thread screw and a handle. And the handle is rotated to drive the positive and negative tooth screw rod to rotate, so that the two groups of symmetrically arranged fixing plates simultaneously move towards the center or the two sides in the sliding chute. An arc-shaped groove is formed in the side, close to the center of the sliding groove, of the upper portion of the fixing plate and can better fit the shape of the gun body, and stable clamping of the gun body is achieved; the gun head fixing assembly comprises a sliding block, a U-shaped frame, a bearing, a supporting pipe and a fixing piece. The sliding block is in an inverted T shape and is connected with the guide groove in the base in a sliding mode, the position of the gun head can be adjusted according to needs, and the gun head can be better aligned with the gun body.

Description

TECHNICAL FIELD

[0001] The utility model relates to nozzle installation technical field, concretely is a kind of denitration ammonia water nozzle mounting mechanism. BACKGROUND

[0002] Denitration ammonia water nozzle is used for the key component in selective catalytic reduction denitration system. Its main function is to atomize ammonia water into fine droplets, and spray into flue with nitrogen oxide reaction, to realize the purpose of denitration;

[0003] The application number CN202320879440.3 discloses a kind of denitration ammonia water nozzle mounting mechanism, including base, the top wall surface of the base is provided with positioning plate, positioning plate is slidably connected with moving frame in its inside, the inner side wall of moving frame is threadedly connected with the fixed frame that penetrates the inside of positioning plate, the rear end of fixed frame is rotatably installed in the inside of positioning plate, the top wall surface of positioning plate is equipped with adjusting groove, fixedly installed with fixed rod on the inner side wall of adjusting groove, the inside of fixed rod is threadedly connected with threaded rod, the end of threaded rod away from fixed rod is rotatably installed with the adjusting block of trapezoidal shape, the rear side wall surface of fixed frame is fixedly installed with limit block. In the utility model, threaded rod and fixed rod are threadedly connected together, so when rotating threaded rod, the position of adjusting block can be adjusted, so that the threaded distance of gun body and gun head is adjusted, avoid the situation that threaded silk occurs due to too much rotation number of gun body.

[0004] The above structure is found in actual use process, gun head part is easy to slip out from fixed frame after being contacted with gun body part, to cause its assembly to be inconvenient, and gun body fixing structure is easy to slide relative to gun body, it is more inconvenient to use. Utility model content

[0005] (One) technical problem solved

[0006] In view of the deficiency of prior art, the utility model provides a kind of denitration ammonia water nozzle mounting mechanism.

[0007] (Two) technical scheme

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a denitration ammonia water nozzle mounting mechanism, including base, gun body fixed component, gun head fixed component and limiting component, the gun body fixed component includes fixed plate, positive and negative toothed screw rod and handle, one end of base is provided with the sliding slot, the positive and negative toothed screw rod is provided with in the sliding slot, the positive and negative toothed screw rod passes through the base and is connected with the handle, the fixed plate is provided as two groups of symmetrical arrangement, the fixed plate below stretches into the sliding slot and is connected with the positive and negative toothed screw rod threadedly, the fixed plate top near the sliding slot center one side is provided with arc groove, the fixed plate near the gun head fixed component one end is provided with the limiting component, the gun head fixed component includes sliding block, U-shaped frame, bearing, support pipe and fixed part, the other end of base is provided with the inverted T-shaped guide slot, the sliding block is inverted T-shaped, the sliding block lower part is connected with the guide slot slidingly, the sliding block top is provided with U-shaped frame, the both sides wall of U-shaped frame is embedded with bearing, the support pipe is connected with the bearing inner ring, the support pipe is also provided with fixed part, and the fixed part is arranged between the both free ends of U-shaped frame.

[0009] In order to facilitate the gun head and gun body thread cooperation excess, the utility model improves, the limiting component includes telescopic link and baffle, and the telescopic link two ends are connected with the baffle and fixed plate respectively.

[0010] In order to guarantee the stability of baffle, the utility model improves, the baffle is still provided with the guide rod through the fixed plate.

[0011] In order to fix the gun head, prevent the gun head from slipping from the support pipe, the utility model improves, the fixed part includes bolt and clamping plate, the support pipe is still provided with the storage groove matched with the clamping plate, the bolt is connected with the support pipe threadedly, and the bolt passes through the support pipe and is connected with the bolt rotationally.

[0012] Preferably, the fixed part is provided as several groups of uniform arrangement.

[0013] In order to facilitate the sliding block to feed stably to the fixed plate, the utility model improves, the guide slot is still provided with spring away from the sliding groove one end, and the both ends of spring are connected with the sliding block and guide groove inner wall respectively.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a denitration ammonia water nozzle mounting mechanism, has the following beneficial effects:

[0016] The denitration ammonia water nozzle mounting mechanism, the gun body fixing assembly includes a fixed plate, a forward and reverse toothed screw rod and a handle. By rotating the handle, the forward and reverse toothed screw rod is driven to rotate, so that the two groups of symmetrically arranged fixed plates simultaneously move towards the center or the two sides in the sliding groove. An arc-shaped groove is arranged on the fixed plate above the side close to the center of the sliding groove, which can better fit the shape of the gun body and realize stable clamping of the gun body;

[0017] The gun head fixing assembly includes a sliding block, a U-shaped frame, a bearing, a support pipe and a fixing piece. The sliding block is in inverted T-shaped and is in sliding connection with the guide groove on the base, so that the position of the gun head can be adjusted as required, so that the gun head is better aligned with the gun body;

[0018] The support pipe is provided with a fixing piece, and the fixing piece includes a bolt and a clamping plate. By rotating the bolt, the clamping plate can be moved in the storage groove in the support pipe, the gun head is clamped, the gun head is prevented from sliding out of the support pipe, and the stability of subsequent assembly is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a first main view schematic diagram of the utility model structure;

[0020] Figure 2 It is a second main view schematic diagram of the utility model structure;

[0021] Figure 3 It is a local explosion schematic diagram of the utility model structure;

[0022] Figure 4 It is a local bottom view schematic diagram of the utility model structure.

[0023] In the drawing: 1, base; 2, fixed plate; 3, forward and reverse toothed screw rod; 4, handle; 5, sliding block; 6, U-shaped frame; 7, bearing; 8, support pipe; 9, telescopic rod; 10, baffle; 11, guide rod; 12, bolt; 13, clamping plate; 14, spring. DETAILED DESCRIPTION

[0024] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4The application discloses a kind of de-nitrification ammonia water nozzle installation mechanism, including base 1, gun body fixed component, gun head fixed component and limiting component, the gun body fixed component includes fixed plate 2, positive and negative tooth screw rod 3 and handle 4, the base 1 one end is provided with sliding slot, the sliding slot is provided with the positive and negative tooth screw rod 3, the positive and negative tooth screw rod 3 penetrates the base 1 and is connected with the handle 4, the fixed plate 2 is provided as two groups of symmetrical arrangement, the fixed plate 2 below is inserted into the sliding slot and is threadedly connected with the positive and negative tooth screw rod 3, the fixed plate 2 above is provided with arc slot near the center side of the sliding slot, the fixed plate 2 is provided with the limiting component near one end of the gun head fixed component, the gun head fixed component includes sliding block 5, U-shaped frame 6, bearing 7, support pipe 8 and fixed part, the base 1 other end is provided with inverted T-shaped guide slot, the sliding block 5 is inverted T-shaped, the lower part of the sliding block 5 is slidably connected with the guide slot, the sliding block 5 is provided with U-shaped frame 6 above, the both sides of the U-shaped frame 6 are embedded with bearing 7, the support pipe 8 is connected with the inner ring of the bearing 7, and the support pipe 8 is further provided with fixed part, and the fixed part is arranged between the two free ends of the U-shaped frame 6.

[0026] By rotating handle 4, positive and negative tooth screw rod 3 is driven to rotate. Since the fixed plate 2 below is inserted into the sliding slot and is threadedly connected with the positive and negative tooth screw rod 3, the rotation of the positive and negative tooth screw rod 3 can make the two groups of symmetrical arrangement fixed plate 2 simultaneously move to the center or to both sides in the sliding slot, adjust the fixed plate 2 to the appropriate position, so that the arc slot near the center side of the fixed plate 2 above can closely fit the shape of the gun body, continue to rotate handle 4, make the fixed plate 2 further clamp the gun body, realize the stable clamping of the gun body, since the sliding block 5 is inverted T-shaped, and is slidably connected with the guide slot on the base 1, the sliding block 5 can freely slide in the guide slot, the both sides of the U-shaped frame 6 are embedded with bearing 7, and the support pipe 8 is connected with the inner ring of the bearing 7. In this way, the support pipe 8 can freely rotate on the U-shaped frame 6, the gun head is inserted into the support pipe 8, the gun head is fixed by the fixed part, then the U-shaped frame 6 is fed towards the gun body, the support pipe 8 is rotated, the gun head is threadedly connected with the gun body, and the limiting component prevents the gun head from being excessively threadedly connected with the gun body to cause the sliding buckle.

[0027] When the gun head contacts the gun body, the limiting assembly begins to play a role. The telescopic rod 9 is connected with the baffle 10 and the fixed plate 2 at both ends, and the baffle 10 can limit the feeding distance of the gun body to prevent the gun head from being screwed too much with the gun body. The guide rod 11 on the baffle 10 penetrates the fixed plate 2, which ensures the stability of the baffle 10 during the working process. In this embodiment, the limiting assembly comprises a telescopic rod 9 and a baffle 10, the telescopic rod 9 is connected with the baffle 10 and the fixed plate 2 at both ends, and the baffle 10 is further provided with a guide rod 11 penetrating the fixed plate 2. When the gun head contacts the gun body, the limiting assembly begins to play a role. The telescopic rod 9 is connected with the baffle 10 and the fixed plate 2 at both ends, and the baffle 10 can limit the feeding distance of the gun body to prevent the gun head from being screwed too much with the gun body. The guide rod 11 on the baffle 10 penetrates the fixed plate 2, which ensures the stability of the baffle 10 during the working process.

[0028] In actual use, the fixing member comprises a bolt 12 and a clamping plate 13, and the support pipe 8 is further provided with a receiving groove matched with the clamping plate 13, the bolt 12 is threadedly connected with the support pipe 8, and the bolt 12 penetrates the support pipe 8 and is rotationally connected with the bolt 12. The fixing member is arranged in several groups and is uniformly arranged. By rotating the bolt 12, the bolt 12 is threadedly connected with the support pipe 8, and the bolt 12 pushes the clamping plate 13 to move in the receiving groove in the support pipe 8. The clamping plate 13 moves towards the gun head and gradually clamps the gun head to prevent the gun head from slipping out of the support pipe 8. Since the fixing member is arranged in several groups and is uniformly arranged, the gun head can be more firmly fixed.

[0029] In actual use, the sliding block 5 needs to be stably fed towards the gun body, and therefore the guide groove is further provided with a spring 14 away from one end of the sliding groove, and the spring 14 is connected with the sliding block 5 and the inner wall of the guide groove at both ends. The spring 14 can stably push the sliding block 5 to move.

[0030] In this document, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical scheme.

[0031] Unless otherwise defined, the meaning of the technical terms used herein is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A denitration ammonia water nozzle mounting mechanism comprising a base (1), a gun body fixing assembly, a gun head fixing assembly and a limiting assembly, characterized in that: The gun body fixing assembly comprises a fixing plate (2), a positive and reverse toothed screw (3) and a handle (4), one end of the base (1) is provided with a sliding groove, the positive and reverse toothed screw (3) is arranged in the sliding groove, the positive and reverse toothed screw (3) penetrates through the base (1) and is connected with the handle (4), the fixing plate (2) is arranged in two groups and is symmetrically arranged, the fixing plate (2) extends into the sliding groove below and is threadedly connected with the positive and reverse toothed screw (3), an arc-shaped groove is arranged on the fixing plate (2) above and close to one side of the center of the sliding groove, the fixing plate (2) is provided with the limiting assembly at one end close to the gun head fixing assembly, the gun head fixing assembly comprises a sliding block (5), a U-shaped frame (6), a bearing (7), a supporting pipe (8) and a fixing piece, the other end of the base (1) is provided with a guide groove in the shape of an inverted T, the sliding block (5) is in the shape of an inverted T, the lower part of the sliding block (5) is slidably connected with the guide groove, the U-shaped frame (6) is arranged above the sliding block (5), the two side walls of the U-shaped frame (6) are embedded with bearings (7), the supporting pipe (8) is connected with the inner ring of the bearing (7), and the supporting pipe (8) is further provided with a fixing piece, and the fixing piece is arranged between the two free ends of the U-shaped frame (6).

2. The ammonia water nozzle mounting mechanism for denitration according to claim 1, characterized by: The limiting assembly comprises a telescopic rod (9) and a baffle (10), and the two ends of the telescopic rod (9) are connected with the baffle (10) and the fixing plate (2) respectively.

3. The ammonia water nozzle mounting mechanism for denitration according to claim 2, characterized in that: The baffle (10) is further provided with a guide rod (11) penetrating through the fixing plate (2).

4. The ammonia water nozzle mounting mechanism for desulfurization according to claim 3, characterized in that: The fixing piece comprises a bolt (12) and a clamping plate (13), the supporting pipe (8) is further provided with a receiving groove matched with the clamping plate (13), the bolt (12) is threadedly connected with the supporting pipe (8), and the bolt (12) penetrates through the supporting pipe (8) and is rotatably connected with the bolt (12).

5. The ammonia water nozzle mounting mechanism for a denitration system according to claim 4, characterized by: The fixing piece is arranged in several groups and is uniformly arranged.

6. The ammonia water nozzle mounting mechanism for denitration according to claim 5, characterized by: The guide groove is further provided with a spring (14) away from the sliding groove at one end, and the two ends of the spring (14) are connected with the sliding block (5) and the inner wall of the guide groove respectively.

Images