SICR denitration reducing agent preparation, storage and conveying system

Abstract

The utility model discloses an SICR denitration reducing agent preparation, storage and conveying system, belongs to the technical field of SICR denitration reducing agent preparation, solves the problem that dirt on the inner wall of an existing stainless steel storage tank is inconvenient to clean, and comprises a storage tank body, a sealing cover and a stirring assembly, the storage tank body is of a barrel-shaped structure with supporting legs installed at the bottom, the sealing cover is arranged at the top end of the storage tank body, and the stirring assembly is arranged at the bottom of the storage tank body. A stirring assembly is arranged in the storage tank body, a cleaning assembly located above the stirring assembly is installed in the storage tank body, by installing the cleaning assembly, a transmission rod and a reciprocating lead screw, a bevel gear of an output shaft of a driving motor makes contact with a bevel gear at the top end of the transmission rod, the stirring assembly is driven to rotate the interior of the storage tank body, and the uniformity of an ammonia or urea solution is guaranteed; when a bevel gear at the top end of the reciprocating lead screw rotates, the cleaning assembly is driven to reciprocate up and down along the inner wall of the storage tank body, and dirt on the inner wall of the storage tank body can be cleaned up in cooperation with a chemical cleaning agent.

Description

TECHNICAL FIELD

[0001] The utility model belongs to SICR denitration reducing agent preparation technical field, concretely relates to SICR denitration reducing agent preparation storage conveying system. BACKGROUND

[0002] SICR denitration reducing agent preparation storage conveying system is a method for reducing NOx without catalyst in the temperature range of 850~1100 DEG C, and the process uses ammonia or urea as reducing agent, sprays into the furnace in a certain way, and reduces NOx into N2 and H2O, and SNCR denitration reducing agent preparation storage conveying system is the key link in the technology.

[0003] In SICR denitration reducing agent preparation storage conveying system, ammonia or urea solution is stored in the stainless steel storage tank, and the pump and pipeline are used to convey ammonia or urea solution, the stainless steel storage tank is internally provided with a stirring mechanism to ensure the uniformity of ammonia or urea solution, and the inner wall of the stainless steel storage tank needs to be cleaned after long-term use, the chemical cleaning agent is poured into the stainless steel storage tank, and the stirring mechanism is used to make the inner wall of the stainless steel storage tank fully contact with the chemical cleaning agent, however, the chemical cleaning agent cannot effectively treat the dirt adhered to the inner wall, and the cleaning efficiency of the stainless steel storage tank is reduced, and the SICR denitration reducing agent preparation storage conveying system capable of cleaning the storage tank is provided for the above problems. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] The SICR denitration reducing agent preparation storage conveying system comprises a storage tank main body, a sealing cover and a stirring assembly, the storage tank main body is a barrel-shaped structure with supporting legs mounted at the bottom, the top end of the storage tank main body is provided with a sealing cover, the inside of the storage tank main body is provided with a stirring assembly, the inside of the storage tank main body is internally provided with a cleaning assembly located above the stirring assembly, the upper surface of the sealing cover is rotatably provided with a transmission rod, and the bottom end of the transmission rod is fixedly connected with the stirring assembly, the surface of the transmission rod is provided with a reciprocating screw rod rotatably connected with the sealing cover, the reciprocating screw rod is in meshing connection with the cleaning assembly, the top end of the transmission rod is fixedly provided with a bevel gear, and the top end of the reciprocating screw rod is fixedly provided with a bevel gear.

[0007] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the sealing cover lower surface is fixedly installed with the limit support that is rotationally connected with the reciprocating screw rod, the limit support is symmetrically provided with the limit slot, the cleaning assembly is slidably connected with the limit slot.

[0008] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the sealing cover upper surface is installed with the drive mechanism for driving transmission rod and reciprocating screw rod rotation, the drive mechanism includes lifting seat, protective shell and drive motor, the sealing cover upper surface is fixedly installed with lifting seat, the lifting seat is internally provided with protective shell, the protective shell is internally installed with drive motor, the drive motor output shaft is fixedly installed with bevel gear, and drive motor is meshedly connected with transmission rod and reciprocating screw rod through bevel gear.

[0009] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the drive mechanism further includes guide slot, guide block and one-way screw rod, the lifting seat is symmetrically provided with guide slot, the protective shell is symmetrically installed with guide block, and the guide block is slidably connected with the guide slot, the lifting seat upper surface is rotationally installed with the one-way screw rod that is meshedly connected with the guide block.

[0010] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the cleaning assembly is composed of mounting bracket and cleaning ring, the reciprocating screw rod surface is meshedly connected with mounting bracket, the mounting bracket is installed with cleaning ring, the cleaning ring surface is closely attached with the inner wall of storage tank body, and the mounting bracket and cleaning ring are firmly connected through bolt.

[0011] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the cleaning ring upper end is equipped with scraping surface, and the cleaning ring lower end is equipped with scraping surface.

[0012] As the SICR denitration reducing agent preparation storage conveying system preferred technical scheme of the utility model, the stirring assembly is composed of cylindrical plate and stirring rod, the transmission rod bottom end is fixedly installed with cylindrical plate, and the cylindrical plate is equidistantly installed with three stirring rods.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, through installation cleaning assembly, transmission rod and reciprocating screw rod, drive motor output shaft bevel gear contacts transmission rod top end bevel gear, drives stirring assembly to rotate to the inside of storage tank body, guarantees the uniformity of ammonia or urea solution, when reciprocating screw rod top end bevel gear rotates, drives cleaning assembly to reciprocate up and down along the inner wall of storage tank body, cooperates chemical cleaning agent, can clean the dirt of the inner wall of storage tank body.

[0015] The utility model discloses a drive mechanism is installed, rotates one -way screw rod, and control protection shell moves up and down in the inside of lifting seat, and guiding piece slides along the inner wall of guide groove, and drive motor is driven to be close to transmission rod or reciprocating screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides whole structure schematic drawing for the utility model;

[0017] Figure 2 The utility model provides tank main part cross section schematic drawing for the utility model;

[0018] Figure 3 The utility model provides sealing cover cross section schematic drawing for the utility model;

[0019] Figure 4 The utility model provides reciprocating screw rod internal structure schematic drawing for the utility model;

[0020] Figure 5 The utility model provides drive mechanism structure schematic drawing for the utility model;

[0021] Figure 6 The utility model provides cleaning assembly structure schematic drawing.

[0022] The corresponding relationship between the various figure mark and the component name in the drawing is as follows:

[0023] 1, tank main part;2, sealing cover;3, stirring assembly;4, cleaning assembly;41, mounting bracket;42, cleaning ring;5, transmission rod;6, reciprocating screw rod;7, limit mount;8, limit slot;9, lifting seat;10, protection shell;11, drive motor;12, guide groove;13, guiding piece;14, one -way screw rod. DETAILED DESCRIPTION

[0024] In order to make the above -mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the drawings of the specification.

[0025] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the person skilled in the art can make similar extension without violating the connotation of the utility model, so the utility model is not limited to the following disclosed specific embodiments.

[0026] Secondly, the "one embodiment" or "embodiments" referred to herein are intended to mean that a particular feature, structure, or characteristic described in connection with the implementation can be included in at least one implementation of the present application. The "in one embodiment" appearing in various places in the specification are not all referring to the same embodiment nor are they mutually exclusive of the other embodiments. The present application provides the following embodiments.

[0027] As Figure 1 , Figure 2 , Figure 3 and Figure 4 , which is a schematic structural diagram of the SICR denitration reducing agent preparation, storage and conveying system in the embodiment. The SICR denitration reducing agent preparation, storage and conveying system in the embodiment comprises a storage tank body 1, a sealing cover 2 and a stirring assembly 3. The storage tank body 1 is a barrel-shaped structure with a foot installed at the bottom. The top end of the storage tank body 1 is provided with the sealing cover 2. The inside of the storage tank body 1 is provided with the stirring assembly 3. The inside of the storage tank body 1 is installed with a cleaning assembly 4 located above the stirring assembly 3. The upper surface of the sealing cover 2 is rotatably installed with a transmission rod 5, and the bottom end of the transmission rod 5 is fixedly connected with the stirring assembly 3. The surface of the transmission rod 5 is sleeved with a reciprocating screw rod 6 rotatably connected with the sealing cover 2. The reciprocating screw rod 6 is engagedly connected with the cleaning assembly 4. The top end of the transmission rod 5 is fixedly installed with a bevel gear. The top end of the reciprocating screw rod 6 is fixedly installed with a bevel gear.

[0028] In the embodiment, the sealing cover 2 is covered on the top end of the storage tank body 1. The ammonia or urea solution enters the inside of the storage tank body 1 through the inlet of the sealing cover 2, is stirred in the inside of the storage tank body 1 by the stirring assembly 3, and is conveniently conveyed by the outlet of the storage tank body 1 connected with a pipeline. The transmission rod 5 is rotated to drive the stirring assembly 3 to rotate in the inside of the storage tank body 1. The reciprocating screw rod 6 is rotated to drive the cleaning assembly 4 to move up and down on the inner wall of the storage tank body 1. In cooperation with the chemical cleaning agent, the dirt adhered to the inner wall of the storage tank body 1 can be cleaned.

[0029] As Figure 3 shown, the lower surface of the sealing cover 2 is fixedly installed with a limiting frame 7 rotatably connected with the reciprocating screw rod 6. A limiting groove 8 is symmetrically formed in the limiting frame 7. The cleaning assembly 4 is slidably connected with the limiting groove 8.

[0030] In the embodiment, when the reciprocating screw rod 6 is rotated, the cleaning assembly 4 is controlled to move downward along the inner wall of the limiting groove 8. When the cleaning assembly 4 reaches the bottom end of the limiting groove 8, the reciprocating screw rod 6 controls the cleaning assembly 4 to move downward. The cleaning assembly 4 can be controlled to reciprocatingly move up and down, and the inner wall of the storage tank body 1 can be cleaned in a large range. The cleaning efficiency is improved.

[0031] As Figure 5As shown, the sealing cover 2 upper surface is mounted with a drive mechanism for driving the transmission rod 5 and the reciprocating screw rod 6 to rotate, the drive mechanism includes a lifting seat 9, a protective shell 10 and a drive motor 11, the sealing cover 2 upper surface is fixedly installed with the lifting seat 9, the lifting seat 9 is internally provided with the protective shell 10, the protective shell 10 is internally installed with the drive motor 11, the drive motor 11 output shaft is fixedly installed with a bevel gear, and the drive motor 11 is meshed and connected with the transmission rod 5 and the reciprocating screw rod 6 through the bevel gear.

[0032] In this embodiment, when the protective shell 10 moves downward in the lifting seat 9, the drive motor 11 output shaft bevel gear contacts the reciprocating screw rod 6 top end bevel gear, controls the cleaning assembly 4 to move up and down, and when the protective shell 10 moves upward in the lifting seat 9, the drive motor 11 output shaft bevel gear contacts the transmission rod 5 top end bevel gear, drives the stirring assembly 3 to rotate in the storage tank main body 1.

[0033] As shown in the figure, Figure 5 The drive mechanism further includes a guide groove 12, a guide block 13 and a one-way screw rod 14, the lifting seat 9 is symmetrically provided with the guide groove 12, the protective shell 10 is symmetrically installed with the guide block 13, and the guide block 13 is slidably connected with the guide groove 12, and the lifting seat 9 upper surface is rotatably installed with the one-way screw rod 14 which is meshed and connected with the guide block 13.

[0034] In this embodiment, by rotating the one-way screw rod 14, the one-way screw rod 14 controls the protective shell 10 to move up and down in the lifting seat 9, and when the protective shell 10 moves up and down, the guide block 13 slides along the inner wall of the guide groove 12, which can control the drive motor 11 to approach the transmission rod 5 or the reciprocating screw rod 6, drive the stirring assembly 3 to rotate, or control the cleaning assembly 4 to move up and down.

[0035] As shown in the figure, Figure 6 The cleaning assembly 4 is composed of a mounting frame 41 and a cleaning ring 42, the reciprocating screw rod 6 surface is meshed and connected with the mounting frame 41, the mounting frame 41 is installed with the cleaning ring 42, the cleaning ring 42 surface is tightly attached to the inner wall of the storage tank main body 1, and the mounting frame 41 and the cleaning ring 42 are firmly connected by bolts. The reciprocating screw rod 6 surface forms two helical grooves with opposite helixes, and the two ends of the helical grooves are respectively communicated with each other, the mounting frame 41 includes a mounting ring arranged in the middle, and the mounting ring is internally provided with a transmission claw (not marked in the figure) slidably mounted in the helical groove (i.e. the meshing relationship described above). By utilizing the relative movement of the transmission claw and the helical groove, the up-and-down reciprocating movement of the cleaning assembly 4 is realized; the transmission claw and the helical groove movement principle can refer to the existing document CN213254051U; the above-mentioned transmission mode is one of the embodiments of the utility model which can realize the meshing connection between the reciprocating screw rod 6 and the cleaning assembly 4, and in actual use, the connection structure of the screw nut in the existing technology can be adopted, which is not described in detail here.

[0036] In this embodiment, the cleaning ring 42 is placed close to the mounting frame 41, the mounting holes of the mounting frame 41 and the cleaning ring 42 are aligned, the bolts are passed through the mounting holes of the mounting frame 41 and the cleaning ring 42, and the mounting frame 41 and the cleaning ring 42 are firmly connected. When the cleaning ring 42 needs to be cleaned, the sealing cover 2 is separated from the tank body 1, the bolts are removed from the mounting holes of the mounting frame 41 and the cleaning ring 42, and the cleaning ring 42 is removed and replaced.

[0037] like Figure 6 As shown, the upper end of the cleaning ring 42 is provided with a scraping surface, and the lower end of the cleaning ring 42 is provided with a scraping surface.

[0038] In this embodiment, when the cleaning ring 42 moves back and forth up and down along the inner wall of the tank body 1, the upper and lower scraping surfaces of the cleaning ring 42 can clean the dirt adhered to the inner wall of the tank body 1, and the efficiency of dirt cleaning can be improved when combined with chemical cleaning agents.

[0039] like Figure 4 As shown, the stirring assembly 3 consists of a cylindrical plate and a stirring rod. The bottom end of the transmission rod 5 is fixedly mounted with a cylindrical plate, and three stirring rods are equidistantly mounted on the cylindrical plate.

[0040] In this embodiment, the transmission rod 5 drives the cylindrical plate to rotate, and the cylindrical plate drives the stirring rod to stir the ammonia or urea solution inside the storage tank body 1 to ensure the uniformity of the ammonia or urea solution.

[0041] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A SICR denitration reducing agent preparation, storage and transportation system comprises a storage tank body (1), a sealing cover (2) and a stirring assembly (3), wherein the storage tank body (1) is a barrel-shaped structure with legs installed at the bottom, the sealing cover (2) is provided at the top of the storage tank body (1), and the stirring assembly (3) is provided inside the storage tank body (1), and is characterized in that: A cleaning assembly (4) located above the stirring assembly (3) is installed inside the storage tank body (1); a transmission rod (5) is rotatably installed on the upper surface of the sealing cover (2), and the bottom end of the transmission rod (5) is fixedly connected to the stirring assembly (3); a reciprocating screw rod (6) rotatably connected to the sealing cover (2) is sleeved on the surface of the transmission rod (5); the reciprocating screw rod (6) is meshedly connected to the cleaning assembly (4); a bevel gear is fixedly installed on the top end of the transmission rod (5), and a bevel gear is fixedly installed on the top end of the reciprocating screw rod (6).

2. The SICR denitration reducing agent preparation, storage and transportation system according to claim 1, characterized in that: A limiting frame (7) rotatably connected to the reciprocating screw (6) is fixedly mounted on the lower surface of the sealing cover (2); limiting grooves (8) are symmetrically provided on the limiting frame (7); and the cleaning assembly (4) is slidably connected to the limiting grooves (8).

3. The SICR denitration reducing agent preparation, storage and transportation system according to claim 1, characterized in that: A driving mechanism for driving the transmission rod (5) and the reciprocating screw (6) to rotate is installed on the upper surface of the sealing cover (2), and the driving mechanism includes a lifting seat (9), a protective shell (10) and a driving motor (11). The lifting seat (9) is fixedly installed on the upper surface of the sealing cover (2), and a protective shell (10) is provided inside the lifting seat (9). The driving motor (11) is installed inside the protective shell (10). A bevel gear is fixedly installed on the output shaft of the driving motor (11), and the driving motor (11) is meshed with the transmission rod (5) and the reciprocating screw (6) through the bevel gears.

4. The SICR denitration reducing agent preparation, storage and transportation system according to claim 3, characterized in that: The driving mechanism further comprises a guide groove (12), a guide block (13) and a one-way screw (14); the guide groove (12) is symmetrically provided on the lifting seat (9); the guide block (13) is symmetrically installed on the protective shell (10); and the guide block (13) is slidably connected to the guide groove (12); and the one-way screw (14) meshingly connected with the guide block (13) is rotatably installed on the upper surface of the lifting seat (9).

5. The SICR denitration reducing agent preparation, storage and transportation system according to claim 1, characterized in that: The cleaning assembly (4) is composed of a mounting frame (41) and a cleaning ring (42). The surface of the reciprocating screw (6) is meshedly connected with the mounting frame (41). The cleaning ring (42) is mounted on the mounting frame (41). The surface of the cleaning ring (42) is in close contact with the inner wall of the storage tank body (1). The mounting frame (41) and the cleaning ring (42) are firmly connected by bolts.

6. The SICR denitration reducing agent preparation, storage and transportation system according to claim 5, characterized in that: The upper end of the cleaning ring (42) is provided with a scraping surface, and the lower end of the cleaning ring (42) is provided with a scraping surface.

7. The SICR denitration reducing agent preparation, storage and transportation system according to claim 1, characterized in that: The stirring assembly (3) consists of a cylindrical plate and a stirring rod. The bottom end of the transmission rod (5) is fixedly mounted with the cylindrical plate, and a plurality of stirring rods are equidistantly mounted on the cylindrical plate.

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