CN212942112U

CN212942112U - Boiler smoke and dust SOx/NOx control device

Info

Publication number: CN212942112U
Application number: CN202021278263.6U
Authority: CN
Inventors: 陈红举
Original assignee: Zhengzhou Shunfeng Refractory Co ltd
Current assignee: Zhengzhou Shunfeng Refractory Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-13
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a boiler smoke desulfurization and denitrification device, which comprises a main body, wherein one side of the upper part of the main body is provided with a smoke inlet bin, a supercharging mechanism is arranged in the smoke inlet bin, the lower part of the smoke inlet bin is connected in the filtering pond through a smoke exhaust pipeline, the filtering tank is arranged at one end of the lower side in the main body, a plurality of filter screens are arranged at the upper part of the filtering tank, the smoke exhaust pipeline is connected below the filter screen, a water filtering layer is arranged below the filter screen and in the filter tank, a guide plate is arranged on one side of the upper part of the filter tank, one end of the guide plate is connected on the inner wall of the main body, one side of the lower part of the filter tank is connected with a circulating mechanism, and the other end of the circulating mechanism is connected with a spraying mechanism, so that dust in the boiler smoke can be filtered through the filter tank and the spraying mechanism, the dust content in the boiler smoke is reduced, and the filtering water can be recycled to filter the boiler smoke, and meanwhile, the cost is greatly saved.

Description

Boiler smoke and dust SOx/NOx control device

Technical Field

The utility model relates to a waste gas treatment technical field, concretely relates to boiler smoke and dust SOx/NOx control device.

Background

Most of the technologies for simultaneously desulfurizing and denitrating flue gas are in research and industrial demonstration stages, but because the technologies can simultaneously realize desulfurization and denitration in a set of system, particularly along with the continuous strictization of NOx control standard, the technologies for simultaneously desulfurizing and denitrating are increasingly emphasized by various countries, in recent years, various countries in the world, particularly industrially developed countries, successively develop research and development of the technologies for simultaneously desulfurizing and denitrating, and carry out certain industrial application, according to statistics of American electric power research institutions, more than 60 new technologies for simultaneously desulfurizing and denitrating are provided, in the SOX/NOx combined removal technology, some combined technologies adopting flue gas desulfurization and flue gas denitrification are provided, and some technologies using adsorbent to simultaneously remove SOX and NOx can achieve higher removal efficiency.

However, in the current desulfurization and denitrification processes, particularly, the desulfurization and denitrification of boiler smoke and dust is too high in dust content in flue gas, so that the desulfurization and denitrification are difficult to perform, the desulfurization and denitrification cost is increased rapidly due to too much flue dust, the recycling difficulty is increased due to the influence on the quality of sulfide and nitrate obtained after the desulfurization and denitrification, and the benefit is influenced, and therefore, a device capable of effectively purifying dust and reducing the cost in the desulfurization and denitrification processes of the boiler smoke and dust is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a boiler smoke and dust SOx/NOx control device can pass through filtering ponds and sprinkler structure, and the dust in the filter boiler smoke and dust makes the dust content in the boiler smoke and dust reduce, can be with filtering water cyclic utilization again in the very big cost-saving of filter boiler smoke and dust.

For solving the technical problem, the utility model provides a boiler smoke and dust SOx/NOx control device, comprising a main body, upper portion one side of main part is provided with into the cigarette storehouse, be provided with supercharging mechanism in advancing the cigarette storehouse, it passes through the exhaust pipe connection in the filtering ponds to advance the cigarette storehouse lower part, the filtering ponds set up the inside downside one end in the main part, filtering ponds upper portion sets up a plurality of filter screens, the exhaust pipe connection is under the filter screen, the filter screen below just is provided with the drainage layer in the filtering ponds, upper portion one side of filtering ponds is provided with the guide plate, the one end of guide plate is connected on the inner wall of main part, lower part one side of filtering ponds is connected with circulation mechanism, sprinkling mechanism is connected to circulation mechanism's the other end, sprinkling mechanism sets up the inside upper end at the main part, the upper portion of.

Further, supercharging mechanism is including setting up the air pump in the inside upper end of advancing the cigarette storehouse to and connect the cigarette pipe of advancing on the air pump.

Further, circulation mechanism is including setting up the water pump at the inside lower extreme of filtering ponds, and connect and be in circulating pipe on the water pump, circulating pipe connects on the inner wall of main part, circulating pipe connects on spraying mechanism.

Further, the spraying mechanism comprises a blocking net structure arranged at the upper end inside the main body, a spraying pipe arranged above the blocking net structure and a spraying head arranged on the spraying pipe.

Furthermore, the two ends of the blocking net structure are connected to the inner wall of the main body, and the blocking net structure and the spraying pipes are arranged in a plurality.

Further, an exhaust fan is arranged on the smoke outlet.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

the smoke inlet bin is used for collecting boiler smoke dust, the supercharging mechanism arranged in the smoke inlet bin aims at supercharging the boiler smoke dust in the smoke inlet bin so as to facilitate the boiler smoke dust to enter the filter tank through the smoke exhaust pipeline, the smoke inlet bin is arranged at the upper part of the main body, the filter tank is arranged at the lower part of the main body so as to ensure that the solution in the filter tank cannot flow backwards, the smoke exhaust pipeline is connected below the filter screen, the smoke dust bubbles are intercepted and crushed by the filter screen in the floating process after entering the solution, the contact surface between the smoke dust and the solution is increased, the filtering effect of the smoke dust is effectively increased, the water filtering layer arranged below the filter screen aims at purifying the solution in the filter tank so as to ensure that the solution below the water filtering layer is in a clean state, the guide plate connected to the filter tank aims at collecting and guiding the solution sprayed by the spraying mechanism to flow backwards to the filter tank, solution after purifying the drainage layer is supplied with spray mechanism and is recycled, the smoke and dust pressure boost that advances in the storehouse of cigarette is made it get into the filter tank smoothly to the air pump aim at that advances the storehouse of cigarette in, the solution pressure boost that the water pump aim at that sets up in the filter tank after purifying the drainage layer is so that supply with circulating pipe, and then carry the spray mechanism on main part upper portion with solution, the setting of block structure makes the solution that spray pipe and shower nozzle cooperation sprayed can moisten the block net, and then further purify the smoke and dust of output in the filter tank, and the smoke and dust of filtering off falls the filter tank along with solution and filters, block structure and spray pipe set up a plurality ofly make the smoke and dust through the multiple-layer filtration, can effectively reduce the dust content in the smoke and dust, set up the air exhauster on the play cigarette mouth and carry the smoke and dust after purifying.

The utility model discloses can pass through filtering ponds and spraying mechanism, the dust in the filter boiler smoke and dust makes the dust content in the boiler smoke and dust reduce, can be with filtering the water cyclic utilization again and very big saving cost when filtering the boiler smoke and dust.

Drawings

FIG. 1 is a sectional view of the boiler smoke desulfurization and denitrification apparatus of the present invention;

FIG. 2 is a front view of the boiler smoke desulfurization and denitrification apparatus.

1. A main body; 2. a tobacco inlet bin; 3. a smoke exhaust pipe; 4. a filtration tank; 5. filtering with a screen; 6. filtering a water layer; 7. a baffle; 8. a smoke outlet; 9. an air pump; 10. a smoke inlet pipe; 11. a water pump; 12. a circulating water pipe; 13. a barrier net structure; 14. a spray tube; 15. a spray head; 16. an exhaust fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Example one

As shown in fig. 1-2: a boiler smoke desulfurization and denitrification device comprises a main body 1, wherein a smoke inlet bin 2 is arranged on one side of the upper part of the main body 1, a supercharging mechanism is arranged in the smoke inlet bin 2, the lower part of the smoke inlet bin 2 is connected into a filtering tank 4 through an exhaust pipe 3, the filtering tank 4 is arranged at one end of the lower side in the main body 1, a plurality of filtering nets 5 are arranged on the upper part of the filtering tank 4, the exhaust pipe 3 is connected below the filtering nets 5, a filtering layer 6 is arranged below the filtering nets 5 and in the filtering tank 4, a guide plate 7 is arranged on one side of the upper part of the filtering tank 4, one end of the guide plate 7 is connected onto the inner wall of the main body 1, one side of the lower part of the filtering tank 4 is connected with a circulating mechanism, the other end of the circulating mechanism is connected with a spraying mechanism, the spraying mechanism is arranged at the upper end in, the smoke inlet bin is used for collecting boiler smoke dust, the supercharging mechanism arranged in the smoke inlet bin aims at supercharging the boiler smoke dust in the smoke inlet bin so as to facilitate the boiler smoke dust to enter the filter tank through the smoke exhaust pipeline, the smoke inlet bin is arranged at the upper part of the main body, the filter tank is arranged at the lower part of the main body so as to ensure that the solution in the filter tank cannot flow backwards, the smoke exhaust pipeline is connected below the filter screen, the smoke dust bubbles are intercepted and crushed by the filter screen in the floating process after entering the solution, the contact surface between the smoke dust and the solution is increased, the filtering effect of the smoke dust is effectively increased, the water filtering layer arranged below the filter screen aims at purifying the solution in the filter tank so as to ensure that the solution below the water filtering layer is in a clean state, the guide plate connected to the filter tank aims at collecting and guiding the solution sprayed by the spraying mechanism to flow backwards to the filter tank, and supplying the solution purified by the water filtering layer to a spraying mechanism for recycling.

The supercharging mechanism comprises an air pump 9 arranged at the upper end inside the smoke inlet bin 2 and a smoke inlet pipe 10 connected to the air pump 9, and the air pump arranged in the smoke inlet bin aims at supercharging smoke dust in the smoke inlet bin to enable the smoke dust to smoothly enter the filter tank.

The circulating mechanism comprises a water pump 11 arranged at the lower end in the filtering tank 4 and a circulating water pipe 12 connected to the water pump 11, the circulating water pipe 12 is connected to the inner wall of the main body 1, the circulating water pipe 12 is connected to the spraying mechanism, and the water pump arranged in the filtering tank aims at pressurizing the solution purified by the filtering layer so as to supply the solution to the circulating water pipe and further convey the solution to the spraying mechanism on the upper portion of the main body.

Sprinkling mechanism is including setting up at the inside upper end of main part 1 block structure 13, setting up sprinkler pipe 14 and the shower nozzle 15 of setting on sprinkler pipe 14 in block structure 13 top, block structure 13's both ends are connected on the inner wall of main part 1, block structure 13 and sprinkler pipe 14 are provided with a plurality ofly, and the setting of block structure makes the solution that sprinkler pipe and shower nozzle cooperation sprayed can moisten the block, and then further purifies the smoke and dust of output in the filter tank, and filters along with the solution falls the filter tank of the smoke and dust of crossing, and block structure and sprinkler pipe set up a plurality ofly and make the smoke and dust through the multiple-layer filtration, can effectively reduce the dust content in the smoke and dust.

An exhaust fan 16 is arranged on the smoke outlet 8, and the exhaust fan is arranged on the smoke outlet to convey the purified smoke dust to the next working procedure.

The utility model discloses a use method:

advance the cigarette storehouse and be used for collecting the boiler smoke and dust, advance the boiler smoke and dust pressure boost that the booster mechanism aim at that sets up in the cigarette storehouse will advance in the cigarette storehouse, so that the boiler smoke and dust gets into the filtering ponds through the pipeline of discharging fume, the union coupling of discharging fume is under the filter screen, make the smoke and dust get into in the solution back smoke and dust bubble come-up in-process receive the interception of filter screen broken, increase the filter effect of smoke and dust effectively increase with the contact surface of solution, the solution that sprinkler pipe and shower nozzle cooperation sprayed is made to the setting up of block structure can moist the block, and then further purify the smoke and dust of output in the.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a boiler smoke and dust SOx/NOx control device which characterized in that: comprises a main body (1), a smoke inlet bin (2) is arranged on one side of the upper part of the main body (1), a supercharging mechanism is arranged in the smoke inlet bin (2), the lower part of the smoke inlet bin (2) is connected in a filtering tank (4) through a smoke discharge pipe (3), the filtering tank (4) is arranged at one end of the lower side of the inner part of the main body (1), a plurality of filtering nets (5) are arranged on the upper part of the filtering tank (4), the smoke discharge pipe (3) is connected below the filtering nets (5), a water filtering layer (6) is arranged below the filtering net (5) and in the filtering tank (4), a guide plate (7) is arranged on one side of the upper part of the filtering tank (4), one end of the guide plate (7) is connected on the inner wall of the main body (1), one side of the lower part of the filtering tank (4) is connected with a circulating mechanism, the other end of the circulating mechanism is connected with a spraying mechanism, the upper part of the main body (1) is provided with a smoke outlet (8).

2. The boiler flue dust desulfurization and denitrification apparatus according to claim 1, wherein: the supercharging mechanism comprises an air pump (9) arranged at the upper end inside the smoke inlet bin (2) and a smoke inlet pipe (10) connected to the air pump (9).

3. The boiler flue dust desulfurization and denitrification apparatus according to claim 1, wherein: the circulating mechanism comprises a water pump (11) arranged at the lower end in the filtering tank (4) and a circulating water pipe (12) connected to the water pump (11), the circulating water pipe (12) is connected to the inner wall of the main body (1), and the circulating water pipe (12) is connected to the spraying mechanism.

4. The boiler flue dust desulfurization and denitrification apparatus according to claim 1, wherein: the spraying mechanism comprises a blocking net structure (13) arranged at the upper end in the main body (1), a spraying pipe (14) arranged above the blocking net structure (13) and a spraying head (15) arranged on the spraying pipe (14).

5. The boiler flue dust desulfurization and denitrification apparatus according to claim 4, wherein: the two ends of the barrier net structure (13) are connected to the inner wall of the main body (1), and the barrier net structure (13) and the spraying pipes (14) are provided with a plurality of spraying pipes.

6. The boiler flue dust desulfurization and denitrification apparatus according to claim 1, wherein: an exhaust fan (16) is arranged on the smoke outlet (8).