CN217725153U

CN217725153U - SCR denitration system of cement kiln flue gas

Info

Publication number: CN217725153U
Application number: CN202221997071.XU
Authority: CN
Inventors: 范兰; 丰晓芳; 范宏; 张锐
Original assignee: Jinling Lanfeng Nanjing Environmental Protection Technology Co ltd
Current assignee: Jinling Lanfeng Nanjing Environmental Protection Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-04
Anticipated expiration: 2032-08-01

Abstract

The utility model provides an SCR denitration system of cement kiln flue gas, which comprises a treatment tower, wherein the inside of the treatment tower is respectively and rotatably connected with a treatment mechanism and a cleaning mechanism; the processing mechanism includes the main bull stick of being connected with the inside rotation of treatment tower, and four intercommunication grooves have been seted up to the inside wall of main bull stick, and the outside fixed mounting of main bull stick has a plurality of liquid outlet pipe ways, and the inlet of a plurality of liquid outlet pipe ways communicates with the inside in intercommunication groove each other, and the outside fixed mounting of liquid outlet pipe way has the rotating collar, and the outside of rotating collar rotates with the inside wall of treatment tower to be connected, the beneficial effects of the utility model are that: through the main bull stick that sets up and the intercommunication of liquid outlet pipe way for the used raw materials of denitration can be more effectual to the inside spraying of treatment tower inside the treatment tower, still scrape pole, second through the first pole of scraping that sets up and third scrape the pole and follow the rotation of main bull stick in the treatment tower inside, make the inside viscidity thing of treatment tower can be quicker clear away the processing, then prolonged the life of integrated device.

Description

SCR denitration system of cement kiln flue gas

Technical Field

The utility model belongs to the technical field of cement kiln flue gas, concretely relates to SCR deNOx systems of cement kiln flue gas.

Background

The principle of the SCR denitration system is that under the action of a catalyst, a reducing agent (liquid ammonia) reacts with nitrogen oxides in the cement kiln flue gas to generate harmless nitrogen and water, so that N0x in the cement kiln flue gas is removed. The selectivity means that reducing agent NH3 and N0x in the cement kiln flue gas are subjected to reduction reaction, but do not react with oxygen in the cement kiln flue gas. The existing SCR denitration system mainly has the following commonly-recognized defects:

in traditional SCR deNOx systems uses, because cement kiln flue gas still may have the dust of cement after removing dust, the cement dust can form after contacting liquid and solidify to easily glue the inside wall of gluing at the treatment tower, and traditional taking off the round pin system and spraying the scope comparatively fixed to the raw materials for the denitration, thereby need cause a large amount of untreated flue gas to remove to the treatment tower top, then cause whole SCR deNOx systems life's reduction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SCR deNOx systems of cement kiln flue gas, aim at solving prior art, traditional denitration system sprays the scope comparatively fixed to the raw materials for the denitration to need cause a large amount of unprocessed flue gas to remove to handling the tower top, then cause the problem of whole SCR deNOx systems life's reduction.

In order to achieve the above object, the utility model provides a following technical scheme:

the SCR denitration system for the cement kiln flue gas comprises a treatment tower, wherein a treatment mechanism and a cleaning mechanism are respectively and rotatably connected inside the treatment tower;

the processing mechanism comprises a main rotating rod rotatably connected with the inside of the processing tower, four communicating grooves are formed in the inner side wall of the main rotating rod, a plurality of liquid outlet pipelines are fixedly mounted on the outer side of the main rotating rod, liquid inlets of the liquid outlet pipelines are mutually communicated with the inside of the communicating grooves, rotating rings are fixedly mounted on the outer sides of the liquid outlet pipelines, and the outer sides of the rotating rings are rotatably connected with the inner side wall of the processing tower.

As an optimization, the processing mechanism still includes and handles tower top fixed mounting's liquid reserve tank, the inside of liquid reserve tank is rotated with the outside of main bull stick and is connected, the top intercommunication of liquid reserve tank has the filling tube, the top fixed mounting of main bull stick has the rotation motor.

As a preferred, clean mechanism includes and scrapes the pole with the first pole of being connected of processing tower inside wall rotation, the inside wall of processing tower still rotates and is connected with the second and scrapes the pole and the third scrapes the pole, first scrape the outside fixed connection that pole, second scraped the pole and the third scraped the one end of pole all with main bull stick.

As the utility model relates to an it is preferred, clean mechanism still include with two filters of treatment tower inside wall fixed mounting, two the top of filter is connected with the bottom rotation of first pole and the second pole of scraping respectively, the unloading hole has been seted up to one side of filter.

As an optimization, the outside fixed mounting of treatment tower has the support frame, the top of support frame is equipped with the intake pipe with treatment tower one side intercommunication, top one side intercommunication of treatment tower has the blast pipe.

As an optimization of the utility model, one side fixed mounting of treating tower has the switch panel, the fixed surface of switch panel installs and rotates motor switch, rotate the motor through rotating motor switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1) Through the main bull stick that sets up and the intercommunication of liquid pipeline for the used raw materials of denitration sprays to the treatment column is inside more effectual inside the treatment column, still scrapes the pole through the first pole of scraping that sets up, second and third and scrapes the pole and follow the rotation of main bull stick in the treatment column inside, makes the inside sticky thing of treatment column can be quicker to obtain clear away the processing, has prolonged the life of integrated device then.

2) The filter through setting up can carry out dual filtration to the inside flue gas that gets into the treatment tower and handle, and can more effectually will handle the glutinous thing of gluing of tower top position through the unloading hole discharge downwards through the unloading hole that sets up to the cement dust that contains in the flue gas has been reduced and has been glued in the inside gluing of treatment tower, has improved the result of use of integrated device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the treating mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the main rotating rod of the present invention;

fig. 4 is a schematic view of the internal structure of the treatment tower of the present invention.

In the figure: 1. a treatment tower; 2. a processing mechanism; 21. a main rotating rod; 22. a communicating groove; 23. a liquid outlet pipeline; 24. a rotating ring; 25. a liquid storage tank; 26. a feed tube; 27. rotating the motor; 3. a cleaning mechanism; 31. a first scraping bar; 32. a second scraping bar; 33. a third scraping bar; 34. a filter plate; 35. a blanking hole; 4. a support frame; 5. an air inlet pipe; 6. and (4) exhausting the gas.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an SCR denitration system of cement kiln flue gas comprises a treatment tower 1, wherein the inside of the treatment tower 1 is respectively and rotatably connected with a treatment mechanism 2 and a cleaning mechanism 3;

the treatment mechanism 2 comprises a main rotating rod 21 rotatably connected with the inside of the treatment tower 1, four communicating grooves 22 are formed in the inner side wall of the main rotating rod 21, a plurality of liquid outlet pipelines 23 are fixedly mounted on the outer side of the main rotating rod 21, liquid inlets of the liquid outlet pipelines 23 are mutually communicated with the inside of the communicating grooves 22, rotating rings 24 are fixedly mounted on the outer sides of the liquid outlet pipelines 23, and the outer sides of the rotating rings 24 are rotatably connected with the inner side wall of the treatment tower 1.

During the specific use, when using this SCR deNOx systems, at first accessible processing mechanism 2 carries out denitration treatment to the flue gas that gets into 1 inside of treating tower, 1 inner wall sticky cement dust of tower can be handled to the clean mechanism 3 of rethread strikes off the processing, when needs carry out denitration treatment to the inside flue gas of getting into treating tower 1, alright handle 1 inside rotation of tower through main bull stick 21, make the used raw materials of denitration can get into main bull stick 21 through intercommunication groove 22 inside, rethread goes out liquid pipeline 23 and sprays downwards, can follow swivel ring 24 and main bull stick 21 and handle 1 inside rotation of tower in the time of going out liquid pipeline 23 sprays, thereby the density that goes out liquid pipeline 23 and spray has been improved, the effect of selling of taking off of whole device has then been improved.

Preferably, the processing mechanism 2 further comprises a liquid storage tank 25 fixedly mounted on the top of the processing tower 1, the inside of the liquid storage tank 25 is rotatably connected with the outer side of the main rotating rod 21, the top of the liquid storage tank 25 is communicated with a feeding pipe 26, and the top end of the main rotating rod 21 is fixedly mounted with a rotating motor 27.

During the specific use, when needs carry out the raw materials to main bull stick 21 inside and add, alright drive main bull stick 21 pivoted through rotating motor 27 for inside raw materials of liquid reserve tank 25 can be through inside the more quick main bull stick 21 that enters of intercommunication groove 22, and the inside raw materials of liquid reserve tank 25 accessible filling tube 26 adds.

Preferably, the cleaning mechanism 3 comprises a first scraping rod 31 rotatably connected with the inner side wall of the treatment tower 1, a second scraping rod 32 and a third scraping rod 33 are further rotatably connected with the inner side wall of the treatment tower 1, and one end of each of the first scraping rod 31, the second scraping rod 32 and the third scraping rod 33 is fixedly connected with the outer side of the main rotating rod 21.

When specifically using, main bull stick 21 can drive first scraping pole 31, second and scrape pole 32 and third and scrape pole 33 and strike off the operation at the inside wall of handling tower 1 when handling tower 1 is inside pivoted to can reduce the attachment of handling tower 1 inside wall, then improve the life of whole handling tower 1.

Preferably, the cleaning mechanism 3 further comprises two filter plates 34 fixedly mounted on the inner side wall of the treatment tower 1, the tops of the two filter plates 34 are respectively rotatably connected with the bottom ends of the first scraping rod 31 and the second scraping rod 32, and a blanking hole 35 is formed in one side of each filter plate 34.

When the scraping device is used specifically, when the first scraping rod 31, the second scraping rod 32 and the third scraping rod 33 scrape the inner wall of the treatment tower 1, the scraping treatment can be carried out on the two sides of the filter plate 34, the adhesion of dust on the filter plate 34 is reduced, and the scraped substances can be discharged downwards through the blanking holes 35 in the filter plate 34.

Preferably, a support frame 4 is fixedly installed on the outer side of the treatment tower 1, an air inlet pipe 5 communicated with one side of the treatment tower 1 is arranged at the top of the support frame 4, and an air outlet pipe 6 is communicated with one side of the top of the treatment tower 1.

During the specific use, 1 accessible support frame 4 of treating tower carries out the supporting role, and inside the flue gas passed through intake pipe 5 entering treating tower 1, after the rethread denitration treatment, 6 outside discharges of rethread blast pipe, and the rotation of the main bull stick 21 of impurity accessible of sediment to 1 inside extrusion of treating tower is discharged.

Preferably, a switch panel is fixedly installed at one side of the processing tower 1, a rotating motor switch is fixedly installed on the surface of the switch panel, and the rotating motor 27 is electrically connected with the external power supply through the rotating motor switch.

During specific use, the equipment switch arranged on the switch panel is convenient for controlling the SCR denitration system of the cement kiln smoke.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The SCR denitration system for the cement kiln flue gas comprises a treatment tower (1), and is characterized in that a treatment mechanism (2) and a cleaning mechanism (3) are respectively and rotatably connected inside the treatment tower (1);

processing mechanism (2) include with the inside bull stick (21) of being connected of rotating of processing tower (1), four intercommunication grooves (22) have been seted up to the inside wall of main bull stick (21), the outside fixed mounting of main bull stick (21) has a plurality of liquid outlet pipe way (23), a plurality of the inlet of liquid outlet pipe way (23) communicates with each other with the inside in intercommunication groove (22), the outside fixed mounting of liquid outlet pipe way (23) has swivel becket (24), the outside of swivel becket (24) is connected with the inside wall rotation of processing tower (1).

2. The cement kiln flue gas SCR denitration system according to claim 1, wherein: processing agency (2) still include with handling tower (1) top fixed mounting's liquid reserve tank (25), the inside of liquid reserve tank (25) is rotated with the outside of main bull stick (21) and is connected, the top intercommunication of liquid reserve tank (25) has filling tube (26), the top fixed mounting of main bull stick (21) has rotation motor (27).

3. The SCR denitration system of cement kiln flue gas of claim 1, characterized in that: clean mechanism (3) include with treatment tower (1) inside wall rotate the first pole (31) of scraping of being connected, the inside wall of treatment tower (1) still rotates to be connected with the second and scrapes pole (32) and third and scrape pole (33), the outside fixed connection that pole (31), second scraped pole (32) and third scraped pole (33) one end all and main bull stick (21) is scraped to first pole (31), second.

4. The cement kiln flue gas SCR denitration system according to claim 3, wherein: clean mechanism (3) still include with two filter (34) of treating tower (1) inside wall fixed mounting, two the top of filter (34) is connected with the bottom rotation of first pole (31) and the second pole (32) of scraping respectively, unloading hole (35) have been seted up to one side of filter (34).

5. The cement kiln flue gas SCR denitration system according to claim 1, wherein: the outer side of the treatment tower (1) is fixedly provided with a support frame (4), the top of the support frame (4) is provided with an air inlet pipe (5) communicated with one side of the treatment tower (1), and one side of the top of the treatment tower (1) is communicated with an exhaust pipe (6).

6. The cement kiln flue gas SCR denitration system according to claim 2, wherein: one side fixed mounting of treatment tower (1) has flush mounting plate of switch, flush mounting plate of switch's fixed surface has the rotation motor switch, rotation motor (27) are through rotating motor switch and external power supply electric connection.