CN218422277U

CN218422277U - Concentrated ammonia water diluting device for denitration system

Info

Publication number: CN218422277U
Application number: CN202222683086.5U
Authority: CN
Inventors: 储青峰; 张伟锋
Original assignee: Shanghai Longmai Machinery Equipment Engineering Co ltd
Current assignee: Shanghai Longmai Machinery Equipment Engineering Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-03
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a strong aqueous ammonia diluting device for deNOx systems belongs to deNOx systems equipment technical field. It is including diluting a section of thick bamboo, one side of diluting a section of thick bamboo is provided with the supporting seat, the top fixedly connected with backup pad of supporting seat, fixedly connected with motor on the terminal surface of backup pad, one side that the backup pad is close to the motor output rotates and is connected with the swivel becket, be provided with drive assembly between motor and the swivel becket, the swivel becket runs through the backup pad and extends to in diluting a section of thick bamboo the lower extreme fixedly connected with shunt tubes of the swivel becket in the diluting a section of thick bamboo, the upper end of diluting a section of thick bamboo is provided with the cover, cover and swivel becket swing joint. The utility model provides a current diluting device with water from last down get into dense ammonia in, then stir, such mode is unfavorable for the diffusion of water to influence dilution effect and efficiency, and the device is relatively poor to the mixed effect of mixed liquid, and the uneven problem of mixing may appear in the solution.

Description

Concentrated ammonia water diluting device for denitration system

Technical Field

The utility model relates to a strong aqueous ammonia diluting device for deNOx systems belongs to deNOx systems equipment technical field.

Background

The SNCR denitration method is a method for removing NOx in flue gas by selectively carrying out chemical reaction on a reducing agent and nitrogen oxide in the flue gas under the condition of not needing a catalyst to generate harmless nitrogen and water, and ammonia water needs to be diluted into specified concentration for use in order to ensure the impulsive force of liquid injection during denitration;

some problems still exist with the existing devices: the existing diluting device is used for enabling water to enter concentrated ammonia water from top to bottom and then stirring, and the mode is not favorable for the diffusion of water, so that the diluting effect and the efficiency are influenced, the mixing effect of the device on a reducing agent is poor, and the phenomenon of uneven mixing of the solution can occur.

Disclosure of Invention

The utility model discloses the technical problem that will solve lies in: the utility model provides a concentrated ammonia water diluting device for deNOx systems, it has been solved current diluting device and has been followed down entering concentrated ammonia water with water, then stirs, and such mode is unfavorable for the diffusion of water to influence dilution effect and efficiency, and the device is relatively poor to the mixed effect of mixed liquid, and the uneven problem of mixing may appear in the solution.

The utility model discloses the technical problem that solve takes following technical scheme to realize:

a concentrated ammonia water diluting device for deNOx systems, including diluting a section of thick bamboo, one side of diluting a section of thick bamboo is provided with the supporting seat, the top fixedly connected with backup pad of supporting seat, fixedly connected with motor on the terminal surface of backup pad, one side that the backup pad is close to the motor output rotates and is connected with the swinging barrel, be provided with drive assembly between motor and the swinging barrel, the swinging barrel runs through the backup pad and extends to in diluting a section of thick bamboo be close to the lower terminal surface department fixedly connected with shunt tubes of swinging barrel in diluting a section of thick bamboo, the upper end of diluting a section of thick bamboo is provided with the cover, cover and swinging barrel swing joint.

As a preferred example, the transmission assembly includes a first bevel gear fixedly connected to the output end of the motor, and a second bevel gear is engaged with the first bevel gear and fixedly sleeved on the rotating pipe.

As a preferred example, a first paddle is vertically and fixedly connected to the inner side of the shunt tube, and a second paddle is vertically and fixedly connected to the outer side of the shunt tube.

As a preferred example, the first blade and the second blade are both provided with through holes.

As a preferred example, the inner wall fixedly connected with sealing ring and the porous disk of shunt tubes, be provided with the ball sealer between sealing ring and the porous disk, the ball sealer and sealing ring joint.

As a preferable example, an observation window with scale marks is arranged on the side surface of the diluting cylinder.

As a preferred example, the upper end of the rotary pipe is rotatably connected with a connecting piece, the upper end of the connecting piece is fixedly connected with a water inlet pipe, and a first water valve switch is installed on the water inlet pipe.

As a preferable example, a liquid storage tank is provided near an outlet side of the dilution cylinder, and a water pump is provided between the liquid storage tank and the dilution cylinder.

The utility model has the advantages that:

the utility model discloses a revolving tube drives the shunt tubes and centers on the axle center rotation of revolving tube under the drive of motor, fixes the axle center rotation that first paddle and the second paddle of shunt tubes are also enclosing the revolving tube, and water is through the stirring of first paddle and second paddle when coming out from the lower terminal surface of shunt tubes, and the through-hole of part aqueous ammonia in first paddle and the second paddle passes through to the stirring efficiency of aqueous ammonia has been improved and the even effect of stirring has been reached.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the shunt tube of the present invention;

fig. 4 is a schematic sectional view of the shunt tube of the present invention;

fig. 5 is an enlarged cross-sectional structural diagram of a in fig. 2 according to the present invention.

In the figure: the device comprises a dilution cylinder 1, a supporting seat 2, a supporting plate 3, a motor 4, a first bevel gear 5, a second bevel gear 6, a connecting piece 7, a water inlet pipe 8, a first water valve switch 9, a liquid storage tank 10, a water pump 11, a second water valve switch 12, an observation window 13, a rotating pipe 14, a shunt pipe 15, a first blade 16, a second blade 17, a tank cover 18, a handle 19, a sealing ball 20, a sealing ring 21, a water permeable plate 22, a bearing 23 and a through hole 24.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1 to 5, the concentrated ammonia water diluting device for a denitration system comprises a diluting cylinder 1, wherein an observation window 13 with scale marks is formed in the side surface of the diluting cylinder 1, the amount of water entering the diluting cylinder 1 can be controlled through the observation window 13 with scale marks, a liquid storage tank 10 is arranged at one side close to an outlet of the diluting cylinder 1, the liquid storage tank 10 is communicated with the outlet of the diluting cylinder 1 through a connecting pipe, a water pump 11 and a second water valve switch 12 are further arranged on the connecting pipe between the liquid storage tank 10 and the diluting cylinder 1, and the water pump 11 can pump the diluted ammonia water of the diluting cylinder 1 into the liquid storage tank 10; the side of the dilution cylinder 1 far away from the liquid storage tank 10 is provided with a support seat 2, the top end of the support seat 2 is fixedly connected with a support plate 3, a motor 4 is fixedly connected to the end face of the support plate 3, the motor 4 is electrically connected with a power supply, the motor 4 is not described in detail in the prior art, a power source is provided by a motor 4-position rotating pipe 14, one side of the support plate 3 close to the output end of the motor 4 is rotatably connected with the rotating pipe 14, a transmission component is arranged between the motor 4 and the rotating pipe 14 and comprises a first bevel gear 5 fixedly connected to the output end of the motor 4, the first bevel gear 5 is meshed with a second bevel gear 6, the second bevel gear 6 is fixedly sleeved on the rotating pipe 14, the rotating pipe 14 penetrates through the support plate 3 and extends into the dilution cylinder 1, four shunt pipes 15 are symmetrically and fixedly connected to the lower end face close to the rotating pipe 14 in the dilution cylinder 1, the shunt pipes 15 are communicated with the rotating pipe 14, the lower end face of the shunt pipes 15 is close to the bottom of the dilution cylinder 1, the rotating pipe 14 is closed, water is ensured to only to flow out of the shunt pipes 15, a cylinder cover 18 is arranged at the upper end of the dilution cylinder 1, a handle 19 is further arranged on the cylinder cover 18, and movably connected with the rotating pipe 14.

As further embodiment, the vertical fixedly connected with first paddle 16 in the inboard of shunt tubes 15, the vertical fixedly connected with second paddle 17 in the outside of shunt tubes 15, all seted up through-hole 24 on first paddle 16, the second paddle 17, when the rotatory pipe 14 pivoted, can drive first paddle 16 and the second paddle 17 of fixing on shunt tubes 15 and rotate to play the effect of stirring aqueous ammonia, the design through-hole 24 is making the more quick stirring of aqueous ammonia. All fixedly connected with sealing ring 21 and porous disk 22 on the inner wall of the lower terminal surface of four shunt tubes 15, still be provided with sealed ball 20 between sealing ring 21 and the porous disk 22, when the buoyancy of aqueous ammonia is greater than the gravity of sealed ball 20, sealed ball 20 and sealing ring 21 joint prevent that the aqueous ammonia from getting into shunt tubes 15, in the swivelling joint pipe 14.

The upper end of the rotating pipe 14 is rotatably connected with a connecting piece 7, a dynamic seal is arranged between the connecting piece 7 and the rotating pipe 14, the upper end of the connecting piece 7 is fixedly connected with a water inlet pipe 8, and a first water valve switch 9 is installed on the water inlet pipe 8.

The working principle is as follows: when the ammonia water dilution device is used, the cylinder cover 18 is opened to pour concentrated ammonia water into the dilution cylinder 1, the motor 4 is started, the first water valve switch 9 is opened, the rotating pipe 14 is driven by the motor 4 to drive the shunt pipe 15 to rotate around the axis of the rotating pipe 14, the first blade 16 and the second blade 17 which are fixed on the shunt pipe 15 also rotate around the axis of the rotating pipe 14, water is rapidly mixed with the concentrated ammonia water through the stirring of the first blade 16 and the second blade 17 when coming out of the lower end face of the shunt pipe 15, the first water valve switch is closed when the ammonia water reaches the proper water level of the observation window 13 with the scale lines, and the second water valve switch 12 and the water pump 11 switch are opened to pump the diluted ammonia water in the dilution cylinder 1 into the liquid storage tank 10 after the dilution cylinder 1 is uniformly stirred.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A strong aqueous ammonia diluting device for deNOx systems, including diluting a section of thick bamboo (1), one side of diluting a section of thick bamboo (1) is provided with supporting seat (2), top fixedly connected with backup pad (3) of supporting seat (2), fixedly connected with motor (4), its characterized in that on the terminal surface of backup pad (3): one side that backup pad (3) are close to motor (4) output rotates and is connected with swivel pipe (14), be provided with drive assembly between motor (4) and swivel pipe (14), swivel pipe (14) run through backup pad (3) and extend to in diluting a section of thick bamboo (1) be close to lower terminal surface department fixedly connected with shunt tubes (15) of swivel pipe (14) in diluting a section of thick bamboo (1), the upper end of diluting a section of thick bamboo (1) is provided with cover (18), cover (18) and swivel pipe (14) swing joint.

2. The concentrated ammonia water diluting device for the denitration system according to claim 1, wherein: the transmission assembly comprises a first bevel gear (5) fixedly connected to the output end of the motor (4), the first bevel gear (5) is meshed with a second bevel gear (6), and the second bevel gear (6) is fixedly sleeved on the rotating pipe (14).

3. The strong aqua ammonia diluting device for a denitration system according to claim 1, wherein: the vertical fixedly connected with first paddle (16) in inboard of shunt tubes (15), the vertical fixedly connected with second paddle (17) in the outside of shunt tubes (15).

4. The strong aqua ammonia diluting device for a denitration system according to claim 3, wherein: the first blade (16) and the second blade (17) are provided with through holes (24).

5. The strong aqua ammonia diluting device for a denitration system according to claim 4, wherein: the inner wall fixedly connected with sealing ring (21) and porous disk (22) of shunt tubes (15), be provided with ball sealer (20) between sealing ring (21) and porous disk (22), ball sealer (20) and sealing ring (21) joint.

6. The concentrated ammonia water diluting device for the denitration system according to claim 1, wherein: an observation window (13) with scale marks is arranged on the side surface of the diluting cylinder (1).

7. The concentrated ammonia water diluting device for the denitration system according to claim 1, wherein: the upper end of swivelling joint pipe (14) is rotated and is connected with connecting piece (7), the upper end fixedly connected with inlet tube (8) of connecting piece (7), install first water valve switch (9) on inlet tube (8).

8. The concentrated ammonia water diluting device for the denitration system according to claim 1, wherein: a liquid storage tank (10) is arranged on one side of the outlet close to the diluting cylinder (1), and a water pump (11) is arranged between the liquid storage tank (10) and the diluting cylinder (1).