CN216458054U

CN216458054U - Integration dust removal denitration desulphurization unit

Info

Publication number: CN216458054U
Application number: CN202123101391.0U
Authority: CN
Inventors: 童晓俊
Original assignee: Fuyang Wanneng Environmental Protection Power Co ltd
Current assignee: Fuyang Wanneng Environmental Protection Power Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-10
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an integration dust removal denitration desulphurization unit, which comprises a mounting bracket, fixed mounting cyclone in the middle of the mounting bracket, mounting bracket top fixed mounting spray column, the play tuber pipe at cyclone top runs through the spray column bottom, fixed mounting baffle in the middle of the spray column, the baffle is cut apart into first spray room and second spray room with the spray column, it is equipped with the guide duct to run through in the middle of the baffle, all be equipped with spray set spare in first spray room and the second spray room, first spray room and second spray room lateral wall all are equipped with the manhole, spray column top fixed mounting exhaust pipe. The utility model discloses a cyclone filters the tiny dust in the flue gas through the filter after just removing dust to the flue gas, and the flue gas after accomplishing the dust removal carries out SOx/NOx control through spray set in getting into first spray room and second spray room in proper order through exhaust pipe and guide duct, has improved dust removal and SOx/NOx control's effect.

Description

Integration dust removal denitration desulphurization unit

Technical Field

The utility model relates to a flue gas treatment field, specificly is an integration dust removal denitration desulphurization unit.

Background

With the development of industry, air pollution becomes a global problem, the air pollution in China is characterized by mainly soot type pollution, and the main pollutants are dust, sulfur dioxide and other pollutants which have increasingly serious influence on the environment. The most of the processes and equipment for desulfurization, denitration and dedusting of flue gas of coal-fired boilers are developed independently to form respective technical systems and process flows. In order to meet the requirement of environmental protection emission, namely removing SO2, NOx and dust in flue gas, the coal-fired boiler needs to be at least provided with more than two sets of independent desulfurization and denitrification systems, and sometimes even needs to be additionally provided with special dust removal equipment. Therefore, the whole set of equipment is large and complex in system, low in energy efficiency, large in occupied area, high in investment, very high in operation cost and inconvenient to use and maintain.

SUMMERY OF THE UTILITY MODEL

For solving the not enough that mentions in the above-mentioned background art, the utility model aims to provide an integration dust removal denitration desulphurization unit, through cyclone to the flue gas fine dust in the filter filtration flue gas after just removing dust, the flue gas after accomplishing the dust removal carries out SOx/NOx control through spray assembly in getting into first spray chamber and second spray chamber in proper order through exhaust pipe and guide duct, has improved dust removal and SOx/NOx control's effect.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an integration dust removal denitration desulphurization unit, the mounting bracket comprises a mounting bracket, fixed mounting cyclone in the middle of the mounting bracket, mounting bracket top fixed mounting spray column, the play tuber pipe at cyclone top runs through the spray column bottom, fixed mounting baffle in the middle of the spray column, the baffle is split into first spray chamber and second spray chamber with the spray column, run through in the middle of the baffle and be equipped with the guide duct, all be equipped with spray set in first spray chamber and the second spray chamber, first spray chamber and second spray chamber lateral wall all are equipped with the manhole, spray column top fixed mounting exhaust pipe.

Further preferably, the filter is fixedly installed inside the air outlet pipe, the waterproof covers are fixedly installed on the top ends of the air outlet pipe and the air guide pipe respectively, the waterproof covers are conical, and air holes are formed in the side walls of the upper ends of the air outlet pipe and the air guide pipe.

Further preferably, the spraying assembly comprises an upper box body, a catalyst bed and a lower box body, the upper box body and the lower box body are fixed through bolts, and the catalyst bed is fixed between the upper box body and the lower box body.

Further preferably, a first annular plate is fixedly installed at the bottom of the lower box body, a plurality of air inlets are formed in the bottom of the lower box body outside the first annular plate, a return pipe is fixedly installed in the middle of the bottom of the lower box body, a flow blocking cover is fixedly installed at the top end of the return pipe, and a return hole is formed in the side wall of the upper end of the return pipe.

Further preferably, go up box body top fixed mounting second annular plate, the diameter of second annular plate is less than first annular plate, has seted up the air outlet in the middle of the last box body top, a plurality of shower nozzles of last box body top fixed mounting in the inboard and the outside of second annular plate, the shower nozzle is the annular array setting, the shower nozzle is connected with the feed liquor pipe, feed liquor pipe fixed mounting sprays room lateral wall upper end at first spray room and second, first spray room and the equal fixed mounting drain pipe of second spray room lateral wall lower extreme.

Further preferably, an S-shaped air channel is formed between the first annular plate and the second annular plate, the catalyst bed is arranged in the air channel between the first annular plate and the second annular plate, the catalyst bed is cylindrical, and clamping grooves are formed in the upper side and the lower side of the catalyst bed corresponding to the first annular plate and the second annular plate.

The utility model has the advantages that:

the utility model discloses a cyclone filters the tiny dust in the flue gas through the filter after just removing dust to the flue gas, the flue gas after accomplishing the dust removal carries out SOx/NOx control through spray set in getting into first spray room and second spray room in proper order through exhaust pipe and guide duct, S-shaped 'S wind channel improves flue gas and the SOx/NOx control catalyst contact on the catalyst bed among the spray set, cooperation shower nozzle spun SOx/NOx control is carried out to cooperation shower nozzle spun SOx/NOx control or deNOx control liquid, SOx/NOx control' S effect has been improved.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of the spray assembly of the present invention;

fig. 3 is an exploded view of the spray assembly of the present invention;

FIG. 4 is a cross-sectional view of the lower case of the present invention;

fig. 5 is a sectional view of the upper case of the present invention;

figure 6 is a cross-sectional view of the catalyst bed of the present invention.

In the figure:

1-mounting frame, 2-cyclone dust collector, 201-air outlet pipe, 202-filter, 3-spray tower, 4-clapboard, 5-first spray chamber, 6-second spray chamber, 7-spray component, 8-manhole, 9-exhaust pipe, 10-waterproof cover, 11-upper box body, 12-catalyst bed, 13-lower box body, 14-first annular plate, 15-air inlet hole, 16-return pipe, 17-flow blocking cover, 18-second annular plate, 19-air outlet, 20-spray head, 21-liquid inlet pipe, 22-liquid outlet pipe and 23-air guide pipe.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1, an integrated dust removal denitration and desulfurization device, including mounting bracket 1, fixed mounting cyclone 2 in the middle of

mounting bracket

1, 1 top fixed mounting spray column 3 of mounting bracket, play tuber pipe 201 at 2 tops of cyclone runs through spray column 3 bottom, fixed mounting baffle 4 in the middle of spray column 3, baffle 4 cuts apart into first shower 5 and second shower 6 with spray column 3, it is equipped with guide duct 23 to run through in the middle of the baffle 4, all be equipped with spray set 7 in first shower 5 and the second shower 6, first shower 5 and 6 lateral walls of second shower all are equipped with manhole 8, 3 top fixed mounting exhaust pipe 9 of spray column.

The filter 202 is fixedly installed inside the air outlet pipe 201, the waterproof cover 10 is fixedly installed at the top ends of the air outlet pipe 201 and the air guide pipe 23, the waterproof cover 10 is conical, and air holes are formed in the side walls of the upper ends of the air outlet pipe 201 and the air guide pipe 23.

The spraying assembly 7 comprises an upper box body 11, a catalyst bed 12 and a lower box body 13, wherein the upper box body 11 and the lower box body 13 are fixed through bolts, and the catalyst bed 12 is fixed between the upper box body 11 and the lower box body 13.

The bottom of the lower box body 13 is fixedly provided with a first annular plate 14, the bottom of the lower box body 13 outside the first annular plate 14 is provided with a plurality of air inlets 15, the middle of the bottom of the lower box body 13 is fixedly provided with a return pipe 16, the top end of the return pipe 16 is fixedly provided with a flow blocking cover 17, and the side wall of the upper end of the return pipe 16 is provided with a return hole.

Go up 11 top fixed mounting second annular plates 18 of box body, the diameter of second annular plates 18 is less than first annular plates 14, air outlet 19 has been seted up in the middle of the 11 top of last box body, a plurality of shower nozzles 20 of the 11 top fixed mounting of last box body in 18 inboard and the outside of second annular plates, shower nozzle 20 is the annular array setting, shower nozzle 20 is connected with feed liquor pipe 21, feed liquor pipe 21 fixed mounting is on first spray booth 5 and 6 lateral walls of second spray booth, the equal fixed mounting drain pipe 22 of 6 lateral walls lower extremes of first spray booth 5 and second spray booth.

An S-shaped air channel is formed between the first annular plate 14 and the second annular plate 18, the catalyst bed 12 is arranged in the air channel between the first annular plate 14 and the second annular plate 18, the catalyst bed 12 is cylindrical, and clamping grooves are formed in the upper side and the lower side of the catalyst bed 12 corresponding to the first annular plate 14 and the second annular plate 18.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An integrated dust-removing denitration and desulfurization device is characterized by comprising an installation frame (1), a cyclone dust collector (2) is fixedly arranged in the middle of the mounting rack (1), a spray tower (3) is fixedly arranged at the top of the mounting rack (1), an air outlet pipe (201) at the top of the cyclone dust collector (2) penetrates through the bottom of the spray tower (3), a partition plate (4) is fixedly arranged in the middle of the spray tower (3), the partition plate (4) divides the spray tower (3) into a first spray chamber (5) and a second spray chamber (6), an air guide pipe (23) penetrates through the middle of the partition plate (4), spraying components (7) are arranged in the first spraying chamber (5) and the second spraying chamber (6), the first spray chamber (5) and the second spray chamber (6) are respectively provided with a manhole (8) on the side wall, and an exhaust pipe (9) is fixedly installed at the top of the spray tower (3).

2. The integrated dedusting, denitration and desulfurization device of claim 1, wherein a filter (202) is fixedly installed inside the air outlet pipe (201), waterproof covers (10) are fixedly installed at the top ends of the air outlet pipe (201) and the air guide pipe (23), the waterproof covers (10) are conical, and air holes are formed in the side walls of the upper ends of the air outlet pipe (201) and the air guide pipe (23).

3. The integrated dedusting denitration and desulfurization apparatus according to claim 1, wherein the spray assembly (7) comprises an upper box body (11), a catalyst bed (12) and a lower box body (13), the upper box body (11) and the lower box body (13) are fixed through bolts, and the catalyst bed (12) is fixed between the upper box body (11) and the lower box body (13).

4. The integrated dedusting denitration and desulfurization device of claim 3, wherein a first annular plate (14) is fixedly installed at the bottom of the lower box body (13), a plurality of air inlet holes (15) are formed in the bottom of the lower box body (13) at the outer side of the first annular plate (14), a return pipe (16) is fixedly installed in the middle of the bottom of the lower box body (13), a flow blocking cover (17) is fixedly installed at the top end of the return pipe (16), and a return hole is formed in the side wall of the upper end of the return pipe (16).

5. The integrated dedusting denitration and desulfurization device of claim 4, wherein a second annular plate (18) is fixedly installed at the top of the upper box body (11), the diameter of the second annular plate (18) is smaller than that of the first annular plate (14), an air outlet (19) is formed in the middle of the top of the upper box body (11), a plurality of spray heads (20) are fixedly installed at the tops of the upper box body (11) on the inner side and the outer side of the second annular plate (18), the spray heads (20) are arranged in an annular array mode, the spray heads (20) are connected with a liquid inlet pipe (21), the liquid inlet pipe (21) is fixedly installed at the upper ends of the side walls of the first spray chamber (5) and the second spray chamber (6), and liquid outlet pipes (22) are fixedly installed at the lower ends of the side walls of the first spray chamber (5) and the second spray chamber (6).

6. The integrated dedusting denitration and desulfurization device of claim 5, wherein an S-shaped air channel is formed between the first annular plate (14) and the second annular plate (18), the catalyst bed (12) is installed in the air channel between the first annular plate (14) and the second annular plate (18), the catalyst bed (12) is cylindrical, and clamping grooves are formed in the upper side and the lower side of the catalyst bed (12) corresponding to the first annular plate (14) and the second annular plate (18).