CN219416893U

CN219416893U - Ammonia escape sampling device

Info

Publication number: CN219416893U
Application number: CN202320686520.7U
Authority: CN
Inventors: 张艺
Original assignee: Shandong Yilai Environmental Protection Technology Co ltd
Current assignee: Shandong Yilai Environmental Protection Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-25
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an ammonia escape sampling device, which relates to the technical field of sampling devices and comprises a fixed table, wherein a ring shell is fixedly arranged on the right side of the outer part of the fixed table, an inner shell is rotatably arranged in the ring shell, a first driving motor is arranged on the right side of the upper end of the outer part of the ring shell, a driving gear is arranged at the output end of the first driving motor, a transmission toothed ring which is in meshed connection with the driving gear is arranged outside the inner shell, an outer corrugated pipe is arranged at the right end of the inner shell, an outer telescopic pipe is arranged at the right end of the outer corrugated pipe, an L-shaped side frame is arranged at one side of the rear end of the outer part of the inner shell, a second driving motor is arranged at one side of the outer part of the L-shaped side frame, which is positioned at the rear end of the outer telescopic pipe, the outer telescopic pipe is fixedly connected with the output end of the second driving motor, and an electric telescopic rod is arranged at the upper end of the outer telescopic pipe. The utility model increases the sampling range by adopting rotation, expansion and angle adjustment modes for the acquisition device.

Description

Ammonia escape sampling device

Technical Field

The utility model relates to the technical field of sampling devices, in particular to an ammonia escape sampling device.

Background

Ammonia slip refers to the ammonia concentration measured at the outlet of the SCR denitration reactor in ppm. The characteristic of the ammonia itself that is volatile is that ammonia escapes as long as ammonia is volatile at the site where the ammonia participates in the reaction and ammonia that does not participate in the reaction is present. In SCR denitration, in order to reduce the running cost and reduce corrosion of ammonia slip to equipment downstream of a boiler, ammonia slip is controlled to be within a certain range as much as possible. The ammonia slip is typically sampled using a sampling device.

For example, in the prior art, a chinese patent with publication number CN203849061U (a denitration escape ammonia sampling device): the telescopic sampling tube comprises a mounting tube section connected with a measuring device, a sampling tube section connected with a sampling head and a telescopic sampling tube which is arranged between the mounting tube section and the sampling tube section and sleeved with the mounting tube section and the sampling tube section, wherein the diameter size of each group of tube sections is reduced, and the sleeve is realized.

The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: in the above prior art, the extension of the pipeline can only be changed in a telescopic manner along the fixing direction of the pipeline, and the concentration distribution difference of different positions in the flue is large, so the above prior art still does not solve the problem of sampling at different positions.

Disclosure of Invention

The utility model mainly aims to provide an ammonia escape sampling device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an ammonia escape sampling device, includes the fixed station, the outside right side fixed mounting of fixed station has the ring shell, the inside rotation of ring shell installs the inner shell, first driving motor is installed on the right side of the outside upper end of ring shell, driving gear is installed to the output of first driving motor, the outside of inner shell is provided with the transmission ring gear of being connected with driving gear meshing, outer bellows is installed to the right-hand member of inner shell, outer flexible pipe is installed to the right-hand member of outer bellows, L type side bearer is installed to one side of the outside rear end of inner shell, the second driving motor is installed to one side that the outside of L type side bearer is located outer flexible pipe rear end, and outer flexible pipe and second driving motor's output fixed connection, the upper end of outer flexible pipe is provided with electric telescopic handle.

Preferably, the outer extension rod comprises an inner pipe and an outer pipe, both ends of the electric extension rod are fixedly connected with the inner pipe and the outer pipe through fixing blocks, and the right end of the inner extension rod is provided with an outer fixing pipe.

Preferably, the internally mounted of inner shell has the aspiration pump, the bellows in the right-hand member of aspiration pump is installed, and interior bellows and aspiration pump seal fixed, the inside seal that the outside right-hand member of interior bellows is located the outer fixed pipe is fixed with the sampling inner tube.

Preferably, the left end outside the air pump is fixed with a connecting pipe in a sealing way.

Preferably, the upper and lower both sides of the outside left end of fixed station all install L type support, and L type support and fixed station fixed connection.

Preferably, fixing holes are formed in the two L-shaped brackets, and the fixing holes and the L-shaped brackets are integrally formed.

Compared with the prior art, the utility model has the following beneficial effects:

1. the outer extension of its output is rotatory along with the output of second driving motor to changed the sampling angle of sampling inner tube, started first driving motor and made drive gear rotate, transmission ring gear and drive gear are transmitted under the meshing effect, and then make the inner shell rotatory, and then make the sampling scope increase, combine the flexible of electric telescopic handle control sampling inner tube simultaneously, make the carrying on of sampling work more convenient, solved the problem that current sampling device sampling position is few among the background art.

2. When the sampling position needs to be changed, the electric telescopic rod is started to enable the inner bellows to stretch along with the outer bellows, the position of the sampling inner tube is changed, when sampling is carried out, the connecting tube is connected into the sampling storage structure, the air extracting pump is started, and air extraction and sampling operation is carried out through the inner bellows and the sampling inner tube.

Drawings

FIG. 1 is a front view of the overall structure of an ammonia slip sampling device according to the present utility model;

FIG. 2 is a top view of the overall structure of an ammonia slip sampling device according to the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of an ammonia slip sampling device according to the present utility model;

fig. 4 is a perspective view of a sampling structure of an ammonia escape sampling device according to the present utility model.

In the figure: 1. a fixed table; 2. a ring shell; 3. an inner case; 4. a first driving motor; 5. a drive gear; 6. a drive ring gear; 7. an outer bellows; 8. an outer shrinkage tube; 9. an outer fixing tube; 10. an air extracting pump; 11. connecting pipe; 12. an inner bellows; 13. sampling an inner tube; 14. an L-shaped bracket; 15. a fixing hole; 16. an L-shaped side frame; 17. a second driving motor; 18. an electric telescopic rod.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an ammonia escape sampling device comprises a fixed table 1, wherein a ring shell 2 is fixedly installed on the right side of the outer part of the fixed table 1, an inner shell 3 is rotatably installed in the ring shell 2, a first driving motor 4 is installed on the right side of the upper end of the outer part of the ring shell 2, a driving gear 5 is installed at the output end of the first driving motor 4, a transmission toothed ring 6 meshed with the driving gear 5 is arranged on the outer part of the inner shell 3, an outer corrugated pipe 7 is installed at the right end of the inner shell 3, an outer telescopic pipe 8 is installed at the right end of the outer corrugated pipe 7, an L-shaped side frame 16 is installed on one side of the rear end of the outer part of the inner shell 3, a second driving motor 17 is installed on one side of the outer part of the L-shaped side frame 16, which is positioned at the rear end of the outer part of the outer telescopic pipe 8, the outer telescopic pipe 8 is fixedly connected with the output end of the second driving motor 17, and an electric telescopic rod 18 is arranged at the upper end of the outer telescopic pipe 8.

When the sampling device is used, the second driving motor 17 is started, the outer telescopic pipe 8 at the output end of the second driving motor 17 rotates along with the output end of the second driving motor 17, so that the sampling angle of the sampling inner pipe 13 is changed, the first driving motor 4 is started to enable the driving gear 5 to rotate, the transmission toothed ring 6 and the driving gear 5 are driven under the meshing action, the inner pipe 3 is further enabled to rotate, the sampling range is further enlarged, and meanwhile the electric telescopic rod 18 is combined to control the expansion of the sampling inner pipe 13. It should be noted that, for the sake of saving the space, the innovation elements of the present patent are highlighted, and the scheme is to improve the non-sampling related structure based on the existing ammonia escape sampling device

In this embodiment, the outer telescopic tube 8 includes an inner tube and an outer tube, both ends of the electric telescopic rod 18 are fixedly connected with the inner tube and the outer tube through fixing blocks, the right end inside the outer telescopic tube 8 is provided with the outer fixing tube 9, and the electric telescopic rod 18 is used for controlling the telescopic of the outer telescopic tube 8.

In this embodiment, the air pump 10 is installed inside the inner shell 3, the right end of the air pump 10 is installed with the inner bellows 12, the inner bellows 12 is fixed with the air pump 10 in a sealing manner, the right end outside the inner bellows 12 is located inside the outer fixed tube 9 and is fixed with the sampling inner tube 13 in a sealing manner, and the air pump 10 is used for generating negative pressure to suck gas outside the sampling inner tube 13.

In the present embodiment, a connection pipe 11 is fixed at the left end of the outside of the suction pump 10 in a sealing manner, and the connection pipe 11 is used for connecting the sucked gas with the storage structure.

In this embodiment, the upper and lower sides of the left end of the outside of the fixed table 1 are both provided with the L-shaped brackets 14, and the L-shaped brackets 14 are fixedly connected with the fixed table 1, and the installation of the fixed table 1 is more convenient due to the arrangement of the L-shaped brackets 14.

In this embodiment, the two L-shaped brackets 14 are each provided with a fixing hole 15 inside, and the fixing holes 15 are integrally formed with the L-shaped brackets 14, and the fixing holes 15 are used for the bolt to pass through for fixing.

Working principle: when the sampling position needs to be changed, the electric telescopic rod 18 is started to enable the inner bellows 12 to stretch along with the outer telescopic pipe 8, the position of the sampling inner pipe 13 is changed, the second driving motor 17 is started, the outer telescopic pipe 8 at the output end of the second driving motor 17 rotates along with the output end of the second driving motor 17, the sampling angle of the sampling inner pipe 13 is changed, the first driving motor 4 is started to enable the driving gear 5 to rotate, the transmission toothed ring 6 and the driving gear 5 are driven under the meshing action, the inner shell 3 is further enabled to rotate, the sampling range is further enabled to be enlarged, meanwhile, the electric telescopic rod 18 is combined to control the stretching of the sampling inner pipe 13, the sampling work is enabled to be more convenient, the connecting pipe 11 is connected into the sampling storage structure during sampling, the air extracting pump 10 is started, and the air extracting and sampling operation is carried out through the inner bellows 12 and the sampling inner pipe 13.

The circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An ammonia escape sampling device, includes fixed station (1), its characterized in that: the utility model discloses a motor drive device, including fixed station (1), outer bellows (7) are installed to the outside right side fixed mounting of fixed station (1), inner shell (3) are installed in the inside rotation of ring shell (2), first driving motor (4) are installed on the right side of the outside upper end of ring shell (2), driving gear (5) are installed to the output of first driving motor (4), the outside of inner shell (3) is provided with transmission ring gear (6) that are connected with driving gear (5) meshing, outer bellows (7) are installed to the right-hand member of inner shell (3), outer draw tube (8) are installed to the right-hand member of outer bellows (7), L type side bearer (16) are installed to one side of the outside rear end of inner shell (3), second driving motor (17) are installed to one side that the outside of L type side bearer (16) is located outer draw tube (8) rear end, and the output fixed connection of outer draw tube (8) and second driving motor (17), the upper end of outer draw tube (8) is provided with electric telescopic link (18).

2. The ammonia slip sampling device of claim 1, wherein: the outer extension rod (8) comprises an inner pipe and an outer pipe, two ends of the electric extension rod (18) are fixedly connected with the inner pipe and the outer pipe through fixing blocks, and an outer fixing pipe (9) is arranged at the right end inside the outer extension rod (8).

3. The ammonia slip sampling device of claim 2, wherein: the inner shell is characterized in that an air pump (10) is arranged in the inner shell (3), an inner corrugated pipe (12) is arranged at the right end of the air pump (10), the inner corrugated pipe (12) is fixed with the air pump (10) in a sealing mode, and a sampling inner pipe (13) is fixed at the right end of the outer part of the inner corrugated pipe (12) in a sealing mode and located in the outer fixing pipe (9).

4. An ammonia slip sampling device according to claim 3, wherein: the left end outside the air pump (10) is fixed with a connecting pipe (11) in a sealing way.

5. The ammonia slip sampling device of claim 1, wherein: the L-shaped brackets (14) are arranged on the upper side and the lower side of the left end of the outer portion of the fixed table (1), and the L-shaped brackets (14) are fixedly connected with the fixed table (1).

6. The ammonia slip sampling device of claim 5, wherein: the two L-shaped brackets (14) are provided with fixing holes (15) inside, and the fixing holes (15) and the L-shaped brackets (14) are integrally formed.