CN217340498U

CN217340498U - Dewatering structure for wet dust removal

Info

Publication number: CN217340498U
Application number: CN202221419072.6U
Authority: CN
Inventors: 林海峰
Original assignee: Beijing Ereli Machinery Co ltd
Current assignee: Beijing Ereli Machinery Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-02
Anticipated expiration: 2032-06-08

Abstract

The application relates to a dewatering structure for wet dedusting, comprising: the device comprises a connecting pipeline, a dehydration pipeline and a draught fan; the front section of the connecting pipeline is communicated with the dust remover, the middle section is longitudinally arranged, and the rear section faces downwards; the dehydration pipeline is transversely arranged and is communicated with the middle section of the connecting pipeline, one end of the dehydration pipeline, which is connected with the connecting pipeline, is an equal-diameter pipe or is provided with a reducing section, and the induced draft fan is connected with the other end of the dehydration pipeline. At the intercommunication position department of connecting tube way and dehydration pipeline, vapor and flue gas are under the lateral wind power effect of vertical gravity and draught fan, only adjust the output size of draught fan, can realize the separation of flue gas and vapor through pipeline structure, thereby reach the purpose of flue gas dehydration, the setting of reducing section can be further blockked by the draught fan and inhale the steam to the dehydration pipeline in, the slope of reducing department, steam attached to reducing section lateral wall flows back to the connecting tube in again, avoid the dehydration effect not up to standard, the problem of influence is produced to the draught fan of work.

Description

Dewatering structure for wet dust removal

Technical Field

The application relates to flue gas dust removal technical field especially relates to a wet dedusting uses dehydration structure.

Background

With the strictness of our country on the environmental protection requirement and the idea of energy conservation and emission reduction stretching into the heart, iron and steel enterprises pay more and more attention to the problem of treatment of various kinds of flue gas. A large amount of vapor and water mist of sea oil in the flue gas of emission in the dust remover are mixed with not few harmful substance and solid impurity in these vapor, water mist, if discharge in the atmosphere, will air pollution to the water resource is wasted, present flue gas dewatering device is comparatively complicated, and the cost is higher, lacks one kind and can compromise device simple structure, the cost is lower, and can effectively carry out the device of flue gas dehydration.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a dehydration structure for wet dust removal, which is suitable for being communicated with the rear end of a dust remover, and comprises a connecting pipeline, a dehydration pipeline and an induced draft fan; the front section of the connecting pipeline is suitable for being communicated with a flue gas outlet at the rear end of the dust remover, the middle section is longitudinally arranged, and the port of the rear section faces downwards; the dehydration pipeline is transversely arranged and is communicated with the middle section of the connecting pipeline, and the end of the dehydration pipeline connected with the connecting pipeline is an equal-diameter pipe, or the end part of the dehydration pipeline connected with the connecting pipeline is provided with a reducing section; the draught fan is connected with the dewatering pipeline at one end which is not communicated with the connecting pipeline.

In a possible implementation manner, when the end of the dewatering pipeline connected with the connecting pipeline is a reducing section, the reducing direction of the reducing section gradually decreases along the direction away from the connecting pipeline until the diameter of the reducing section is equal to the diameter of the rear end of the dewatering pipeline.

In a possible implementation manner, the upper part of the dewatering pipeline is kept flush, and the lower part of the reducer section has a first preset inclination angle with the horizontal plane; wherein, in the section of the dewatering pipeline along the axial direction, the reducing section is flush with the upper part of the equal-diameter section; the lower part of the reducing section and the horizontal plane have the first preset inclined angle.

In one possible implementation, the first preset inclination angle is within [30 °, 60 ° ].

In one possible implementation, the dewatering line is installed at a middle position or a middle lower position of the middle section of the connection line.

In a possible implementation, the minimum diameter of the dewatering line is equal to or greater than the diameter of the connection line.

In a possible implementation manner, the lower section end of the connecting pipeline is provided with a cone structure with a downward cone tip, and the cone tip is provided with a liquid outlet hole or a liquid outlet slit.

In a possible realization, said connecting line of the vertebral body structure has a second preset inclination angle with the horizontal plane, said second preset inclination angle being within [15 °, 30 ° ].

In a possible implementation manner, the device further comprises a recovery device, wherein the recovery device is of a box body structure with an open upper portion and is arranged below the connecting pipeline, and the end portion of the lower section of the connecting pipeline is lower than the highest position of the side wall of the recovery device.

In a possible implementation manner, the connection part of the front section and the middle section of the connecting pipe is in arc connection; the dewatering pipeline is communicated with the connecting pipeline in the tangential direction of the connecting pipeline.

The beneficial effect of this application: the middle part of the connecting pipeline is longitudinally arranged, the port of the lower section is downwards arranged, the rear end of the dewatering pipeline is provided with the induced draft fan, the separation of the smoke and the vapor can be realized through the pipeline structure only by adjusting the output power of the induced draft fan under the action of the vertical gravity and the transverse wind force of the induced draft fan at the connecting position of the connecting pipeline and the dewatering pipeline, thereby achieving the aim of smoke dewatering, moreover, the whole structure of the dewatering structure is simpler, the manufacturing cost is low, the maintenance of the personnel in the field is easy, furthermore, one end of the dewatering pipeline communicated with the connecting pipeline is provided with the reducing section, the arrangement of the reducing section can further prevent the vapor sucked into the dewatering pipeline by the induced draft fan, and the vapor attached to the side wall of the reducing section can flow back into the connecting pipeline again through the inclination of the reducing section, thereby avoiding the dehydration effect not reaching the standard and avoiding the water vapor from being absorbed into the dehydration pipeline to influence the working draught fan.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural view of a main body of a dewatering structure for wet dedusting in an embodiment of the present application;

fig. 2 is a schematic view showing a main structure of a dewatering structure for wet dedusting according to another embodiment of the present application;

fig. 3 is a partially enlarged view of the dewatering structure for wet dedusting according to the embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It is to be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 is a schematic structural view of a main body of a dewatering structure for wet dedusting according to an embodiment of the present application; fig. 2 is a schematic structural view of a main body of a dewatering structure for wet dedusting according to another embodiment of the present application; fig. 3 is a partially enlarged view of the dewatering structure for wet dedusting according to the embodiment of the present application.

As shown in fig. 1 to 3, the dewatering structure for wet dust removal, which is adapted to communicate with the rear end of a dust collector 10, includes: a connecting pipeline 20, a dewatering pipeline 30 and an induced draft fan 40; the front section of the connecting pipeline 20 is suitable for being communicated with a flue gas outlet at the rear end of the dust remover 10, the middle section is longitudinally arranged, and the port of the rear section faces downwards; the dehydration pipeline 30 is transversely arranged and communicated with the middle section of the connecting pipeline 20, and one end of the dehydration pipeline 30 connected with the connecting pipeline 20 is an equal-diameter pipe, or the end part of one end of the dehydration pipeline 30 connected with the connecting pipeline 20 is provided with a reducing section 31; the induced draft fan 40 is connected with one end of the dewatering pipeline 30 which is not communicated with the connecting pipeline 20.

In this embodiment, by arranging the middle of the connecting pipeline 20 longitudinally, arranging the port of the lower section downwards, arranging the induced draft fan 40 at the rear end of the dewatering pipeline 30, and at the connecting position of the connecting pipeline 20 and the dewatering pipeline 30, under the action of the vertical gravity and the transverse wind force of the induced draft fan 40, the flue gas and the flue gas can be separated from the water vapor through the pipeline structure only by adjusting the output power of the induced draft fan 40, so as to achieve the purpose of flue gas dewatering, furthermore, the whole structure of the dewatering structure is simple, the manufacturing cost is low, and the maintenance is easy for the personnel in the field to maintain, further, the end of the dewatering pipeline 30 communicated with the connecting pipeline 20 is provided with the reducing section 31, and the reducing section 31 can further prevent the water vapor absorbed into the dewatering pipeline 30 by the induced draft fan 40, and the water vapor passes through the inclination of the reducing section 31, the steam attached to the side wall of the reducer section 31 flows back to the connecting pipeline 20 again, so that the dehydration effect is prevented from not reaching the standard, and the steam is prevented from being sucked into the dehydration pipeline to influence the working induced draft fan 40.

The application discloses dewatering device for wet dedusting's specific work flow is: the utility model provides a dehydration structure for wet dedusting is applicable to the rear portion of installing at dust remover 10, the rear end exhanst gas outlet that the flue gas that has vapor passes through dust remover 10 gets into connecting line 20, vapor and flue gas are at the connecting line 20 middle section of vertical setting because of the action of gravity is at nearly vertical whereabouts, treat to fall to the position that connecting line 20 and dehydration pipeline 30 link to each other the ventilation, because the effect of draught fan 40, weight is lighter and reach emission standard's flue gas inflow dehydration pipeline 30, the vapor that weight is heavier, impurity etc. then continue whereabouts in the communicating pipe way, until discharging to the communicating pipe way, perhaps discharge to the recovery unit 50 of communicating pipe way below in, thereby realize the recovery of water resource in the wet dedusting, and can cyclic utilization, also make the design of the dehydration structure for wet dedusting of this application more reasonable, environmental protection. Furthermore, a chimney is arranged behind the induced draft fan, and the clean flue gas reaching the standard is discharged to the external environment through pipelines communicated with the chimney.

In a possible implementation manner, when the end of the dewatering pipeline 30 connected to the connecting pipeline 20 is a reducing section, the reducing direction of the reducing section 31 gradually decreases along a direction away from the connecting pipeline 20 until the diameter is equal to the diameter of the rear end of the dewatering pipeline 30.

In a possible realization, the upper part of the dewatering line 30 is kept flush, and the lower part of the reducer section 31 has a first preset inclination angle α with the horizontal plane; wherein, in the section of the dewatering pipeline 30 along the axial direction, the reducing section 31 is flush with the upper part of the constant diameter section; the lower part of the reducing section 31 has the first preset inclination angle α with the horizontal plane.

In a possible implementation, the first preset inclination angle α is within [30 °, 60 ° ].

In a possible implementation, the dewatering line 30 is installed at an intermediate position or an intermediate lower position in the middle of the connection line 20.

In a possible implementation, the minimum diameter of the dewatering line 30 is equal to or greater than the diameter of the connecting line 20.

In a possible implementation manner, the lower end of the connecting pipeline 20 has a cone structure with a downward cone tip, and a liquid outlet hole or a liquid outlet slit is formed at the cone tip.

In a possible realization, said connecting line 20 of the vertebral structure has a second preset inclination angle β with the horizontal plane, said second preset inclination angle β being within [15 °, 30 ° ].

In a possible implementation manner, the recycling device 50 is further included, the recycling device 50 is a box structure with an open upper portion, and is disposed below the connecting pipeline 20, and a lower end portion of the connecting pipeline 20 is lower than a highest position of a side wall of the recycling device 50.

In a possible implementation manner, the connection part of the front section and the middle section of the connecting pipe is in arc connection; the dewatering line 30 communicates with the connecting line 20 tangentially thereto.

It should be noted that, in the present application, no improvement is made on the structures of the dust remover 10 and the induced draft fan 40, and the implementers in the present application can directly use the prior art, so that the detailed description of the more specific structures of the dust remover 10 and the induced draft fan 40 is omitted herein.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A dehydration structure for wet dust removal is suitable for being communicated with the rear end of a dust remover and is characterized by comprising a connecting pipeline, a dehydration pipeline and a draught fan;

the front section of the connecting pipeline is suitable for being communicated with a flue gas outlet at the rear end of the dust remover, the middle section is longitudinally arranged, and the port of the rear section faces downwards;

the dehydration pipeline is transversely arranged and is communicated with the middle section of the connecting pipeline, and the end of the dehydration pipeline connected with the connecting pipeline is an equal-diameter pipe, or the end part of the dehydration pipeline connected with the connecting pipeline is provided with a reducing section;

the draught fan is connected with the dewatering pipeline at one end which is not communicated with the connecting pipeline.

2. The dewatering structure for wet dedusting according to claim 1, wherein when the end of the dewatering pipeline connected with the connecting pipeline is a reducing section, the reducing direction of the reducing section gradually decreases along the direction away from the connecting pipeline until the diameter of the reducing section is equal to the diameter of the rear end of the dewatering pipeline.

3. The dewatering structure for wet dedusting according to claim 2, wherein the upper portion of the dewatering pipeline is kept flush, and the lower portion of the reducer section has a first preset inclination angle with the horizontal plane;

wherein, in the section of the dewatering pipeline along the axial direction, the reducing section is flush with the upper part of the equal-diameter section;

the lower part of the reducing section and the horizontal plane have the first preset inclined angle.

4. The dewatering structure for wet dedusting according to claim 3, wherein the first preset inclination angle is within [30 °, 60 ° ].

5. The dewatering structure for wet dedusting according to claim 1, wherein the dewatering pipe is installed at a middle position or a middle lower position of the middle section of the connection pipe.

6. The dewatering structure for wet dedusting according to claim 1, wherein a minimum diameter of the dewatering pipe is equal to or larger than a diameter of the connection pipe.

7. The dewatering structure for wet dedusting according to claim 1, wherein the lower section end of the connecting pipeline has a cone structure with a downward cone tip, and the cone tip is provided with a liquid outlet hole or a liquid outlet slit.

8. The dewatering structure for wet dedusting according to claim 1, wherein the connecting pipe of the cone structure has a second preset inclination angle with the horizontal plane, and the second preset inclination angle is within [15 °, 30 ° ].

9. The dewatering structure for wet dedusting according to claim 7, further comprising a recovery device, wherein the recovery device is a box structure with an open upper portion and is arranged below the connecting pipeline, and the lower section end of the connecting pipeline is lower than the highest position of the side wall of the recovery device.

10. The dewatering structure for wet scrubbing according to any one of claims 1 to 9, wherein the junction between the front section and the middle section of the connecting pipe is an arc-shaped connection;

the dewatering pipeline is communicated with the connecting pipeline in the tangential direction of the connecting pipeline.