CN215462776U

CN215462776U - Dry-type flue gas desulfurization denitration dust removal integrated device

Info

Publication number: CN215462776U
Application number: CN202121239250.2U
Authority: CN
Inventors: 刘若昕
Original assignee: Yanchi Furui Building Materials Co ltd
Current assignee: Yanchi Furui Building Materials Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-11
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to the field of flue gas treatment, in particular to a dry type flue gas desulfurization, denitrification and dust removal integrated device; this device lets in the processing incasement through the flue gas that will handle, particulate matter and dust in the flue gas are handled earlier and are filtered, be provided with simultaneously and prevent stifled structure, drive first motor and drive the scraper blade and handle dust removal net surface accumulational dust, the containing box is concentrated collection to dust and particulate matter, the follow-up processing of being convenient for, it carries out desulfurization treatment to get into cavity two after the flue gas removes dust, the baffle of setting is convenient for gaseous long-time and active carbon adsorption layer, effectively adsorb desulfurization treatment, utilize the second air pump to let in the flue gas after the desulfurization cavity three, it rotates to drive helical blade through controlling the second motor, ammonia is gone into to the ammonia input tube simultaneously, helical blade rotates and accelerates gas flow, be convenient for ammonia and flue gas reaction carry out denitration treatment, improve the efficiency that flue gas desulfurization denitration removed dust and reduce the flue gas and cause the pollution to the environment.

Description

Dry-type flue gas desulfurization denitration dust removal integrated device

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a dry type flue gas desulfurization, denitrification and dust removal integrated device.

Background

SO contained in present coal-fired flue gas₂And NO_XThe emission of the pollutants is the main reason for forming acid rain and acid rain pollution, and causes great harm to the living environment of human beings and the health of human bodies, so that the effective removal of the acid rain and the acid rain is the key importance in the smoke pollution control.

The flue gas treatment comprises the processes of flue gas desulfurization, flue gas washing, absorption and the like, the flue gas treatment equipment is mainly applied to the power industry, the chemical industry, the coking industry, the metallurgical industry, the manufacturing industry with self-contained boilers and the like, and the flue gas treatment equipment has the main function of absorbing polluting and corrosive gaseous ions or molecules in the flue gas generated by fuel combustion through chemical reaction, so that the flue gas is purified and can be directly discharged into the atmosphere without polluting the environment.

At present, carry out desulfurization denitration dust removal to flue gas and handle is an important ring in the gas pollution treatment, however some are present to flue gas desulfurization denitration to carrying out flue gas treatment effect not ideal, take place the dust easily and cover on dust removal net surface in to the dust removal link, lack the part of sweeping dust removal net and handle piling up the dust, the flue gas is not abundant with the reactant contact simultaneously, and reaction rate is slower simultaneously, leads to flue gas desulfurization denitration inefficiency and causes the pollution to the environment easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a dry type flue gas desulfurization, denitrification and dust removal integrated device.

In order to achieve the above object, the present invention adopts the following technical solutions:

a dry type flue gas desulfurization, denitrification and dedusting integrated device comprises a treatment box, wherein supporting legs are arranged at the lower end of the treatment box, an air inlet pipe is connected to the left side of the bottom end of the treatment box, the treatment box is divided into three parts by a transverse plate and a vertical plate, the lower part of the treatment box is a cavity I, the left side of the upper part of the treatment box is a cavity III, and the right side of the upper part of the treatment box is a cavity II;

a dust removal net is connected in the first cavity, the left end of the dust removal net is matched with an anti-blocking structure, and the right end of the first cavity is connected with the air inlet end of the first air pump; the air outlet end of the first air pump extends upwards into the second cavity, the right part of the upper end of the second cavity is connected with a first exhaust pipe, a baffle is arranged in the second cavity, a through hole is formed in the left end of the baffle, and an active carbon adsorption layer is arranged above the baffle; a plurality of groups of active carbon adsorption layers are arranged in parallel;

the first exhaust pipe is attached to the outer wall of the treatment box and is connected with the air inlet end of the second air pump, the second air pump is connected to the left end of the treatment box, and the air outlet end of the second air pump extends into the cavity III; the third cavity is provided with a stirring assembly, the left side of the upper end of the third cavity is connected with a second exhaust pipe, a first valve is arranged on the second exhaust pipe, the right side of the upper end of the third cavity is connected with an ammonia input pipe, the left end of the bottom of the third cavity is connected with a liquid discharge pipe, and the liquid discharge pipe is provided with a second valve.

Preferably, the upper ends of the transverse plates in the second cavity are symmetrically connected with partition plates, the lower ends of the partition plates are also connected with the partition plates, and the partition plates are distributed in a staggered mode.

Preferably, the anti-blocking structure comprises a first motor, the right end of the first motor is connected with a first rotating shaft, and the first rotating shaft extends rightwards into the first cavity and is connected with a scraper; the right end of the scraper is attached to the surface of the left end of the dust removal net, and the bottom end of the scraper is provided with a dust exhaust assembly.

Preferably, the dust exhaust assembly comprises a dust guide plate, the dust guide plate is hinged with the processing box and is provided with a torsion spring, an accommodating box is arranged below the dust guide plate and is connected to the bottom end of the processing box, and the bottom end of the dust guide plate is connected with a string; the thin rope extends out of the containing box, is wound with a guide wheel and is finally connected with the pull ring; the leading wheel is installed and is being handled the bottom of the case, and the dust exhaust pipe is installed to the containing box bottom, and installs No. three valves on the dust exhaust pipe.

Preferably, the stirring assembly comprises a second motor, the second motor is connected to the upper end of the treatment box, and the lower end of the second motor is connected with a second rotating shaft; the rotating shaft extends downwards into the cavity III and is connected with a helical blade.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the dry type flue gas desulfurization, denitrification and dust removal integrated device firstly treats and filters particulate matters and dust in the flue gas by introducing the flue gas to be treated into the treatment box, meanwhile, an anti-blocking structure is arranged to drive a first motor to drive a scraper blade to treat dust accumulated on the surface of the dust removal net, a containing box is used for collecting the dust and particles in a centralized manner, the dust and the particles are convenient to treat subsequently, the flue gas enters a cavity II for desulfurization treatment after dust removal, a baffle plate is arranged to facilitate the gas to be effectively adsorbed and desulfurized with an active carbon adsorption layer for a long time, the desulfurized flue gas is introduced into a cavity III by a second air pump, and a spiral blade is driven to rotate by controlling a second motor, meanwhile, ammonia is introduced into the ammonia input pipe, the helical blades rotate to accelerate gas flow, the ammonia and the flue gas are convenient to react to carry out denitration treatment, the flue gas desulfurization, denitration and dust removal efficiency is improved, and the pollution of the flue gas to the environment is reduced.

Drawings

FIG. 1 is a schematic structural view of a dry type flue gas desulfurization, denitrification and dust removal integrated device of the present invention;

FIG. 2 is a front view of the integrated dry type flue gas desulfurization, denitrification and dust removal device of the present invention;

FIG. 3 is an enlarged view of the components of the integrated dry type flue gas desulfurization, denitrification and dust removal device of the present invention;

in the figure: 1-air inlet pipe, 101-supporting leg, 2-treatment box, 3-first motor, 4-rotating shaft I, 5-scraping plate, 6-dedusting net, 7-dust guide plate, 8-guide wheel, 9-string, 10-pull ring, 11-containing box, 12-dust exhaust pipe, 13-third valve, 14-first air pump, 15-partition plate, 16-baffle plate, 17-activated carbon adsorption layer, 18-first exhaust pipe, 19-ammonia input pipe, 20-vertical plate, 21-second motor, 22-rotating shaft II, 23-second exhaust pipe, 24-first valve, 25-second air pump, 26-horizontal plate, 27-liquid discharge pipe and 28-second valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example 1

A dry type flue gas desulfurization, denitrification and dedusting integrated device comprises a treatment box 2, wherein supporting legs 101 are installed at the lower end of the treatment box 2, an air inlet pipe 1 is connected to the left side of the bottom end of the treatment box 2, the treatment box 2 is divided into three parts by a transverse plate 26 and a vertical plate 20, the lower part is a cavity I, the left side of the upper part is a cavity III, and the right side of the upper part is a cavity II;

the first cavity is internally connected with a dust removal net 6, the left end of the dust removal net 6 is matched with an anti-blocking structure, and the right end of the first cavity is connected with the air inlet end of the first air pump 14; the air outlet end of the first air pump 14 extends upwards into the second cavity, the right part of the upper end of the second cavity is connected with a first exhaust pipe 18, a baffle 16 is arranged in the second cavity, a through hole is formed in the left end of the baffle 16, and an active carbon adsorption layer 17 is arranged above the baffle 16; a plurality of groups of active carbon adsorption layers 17 are arranged in parallel;

the first exhaust pipe 18 is attached to the outer wall of the treatment box 2 and is connected with the air inlet end of the second air pump 25, the second air pump 25 is connected to the left end of the treatment box 2, and the air outlet end of the second air pump 25 extends into the cavity III; the third cavity is provided with a stirring assembly, the left side of the upper end of the third cavity is connected with a second exhaust pipe 23, the second exhaust pipe 23 is provided with a first valve 24, the right side of the upper end of the third cavity is connected with an ammonia gas input pipe 19, the left end of the bottom of the third cavity is connected with a liquid discharge pipe 27, and the liquid discharge pipe 27 is provided with a second valve 28.

The upper ends of the transverse plates 26 in the second cavity are symmetrically connected with the partition plates 15, the lower ends of the partition plates 16 are also connected with the partition plates 15, and the partition plates 15 are distributed in a staggered mode, so that the flue gas can be in full contact with the activated carbon adsorption layer 17 and can react with the activated carbon adsorption layer.

The anti-blocking structure comprises a first motor 3, the right end of the first motor 3 is connected with a first rotating shaft 4, the first rotating shaft 4 extends rightwards into the first cavity and is connected with a scraper 5; 5 right-hand members of scraper blade and the laminating of 6 left end surfaces of dust removal net, 5 bottoms of scraper blade are provided with the dust exhaust subassembly, and first motor 3 drives scraper blade 5 and rotates, is convenient for drive 6 accumulational dusts in surface of dust removal net, avoids dust removal net 6 to block up, leads to flue gas desulfurization denitration's efficiency to reduce.

The dust exhaust assembly comprises a dust guide plate 7, the dust guide plate 7 is hinged with the processing box 2 and is provided with a torsion spring, an accommodating box 11 is arranged below the dust guide plate 7, the accommodating box 11 is connected to the bottom end of the processing box 2, and the bottom end of the dust guide plate 7 is connected with a thin rope 9; the thin rope 9 extends out of the containing box 11, is wound with the guide wheel 8 and is finally connected with the pull ring 10; leading wheel 8 is installed in handling 2 bottoms of case, and dust exhaust pipe 12 is installed to 11 bottoms of containing box, and installs No. three valves 13 on the dust exhaust pipe 12, is convenient for collect the dust and the particulate matter of crossing to filter, and the staff of being convenient for simultaneously carries out subsequent processing.

The stirring assembly comprises a second motor 21, the second motor 21 is connected to the upper end of the treatment box 2, and the lower end of the second motor 21 is connected with a second rotating shaft 22; the second rotating shaft 22 extends downwards into the third cavity and is connected with a spiral blade, and the second motor 21 drives the spiral blade to rotate, so that gas flowing and reaction are accelerated, and the speed of flue gas denitration is improved conveniently.

The dry type flue gas desulfurization, denitrification and dust removal integrated device has the working mode that:

a worker introduces flue gas to be treated into a treatment box 2 from an air inlet pipe 1, the flue gas enters a cavity I, particulate matters and dust in the flue gas are treated and filtered through a dust removal net 6 in the cavity I, the first motor 3 is controlled to work at the same time, the first motor 3 drives a rotating shaft I4 and a scraper 5 to rotate, the scraper 5 treats the dust accumulated on the surface of the dust removal net, the problem that the dust accumulation on the surface of the dust removal net 6 is easy to occur due to long-time dust removal of the dust removal net 6 is solved, a containing box collects the dust and the particulate matters in a centralized manner and facilitates subsequent treatment, the flue gas enters a cavity II for desulfurization treatment after dust removal, a partition plate is arranged to facilitate long-time gas and an active carbon adsorption layer, the dust and the particulate matters scraped by the scraper 5 can be accumulated on a dust guide plate 7, the dust guide plate 7 moves downwards by pulling a pull ring 10, and the dust guide plate 7 can be automatically reset by an installed torsion spring, lead dust and particulate matter on the dirt board 7 and fall into containing box 11 in, follow-up flue gas is handled the back of accomplishing, and the staff opens No. three valves 13, carries out follow-up processing to dust and particulate matter.

The flue gas after dust removal is sent into the second cavity by using the first air pump, the internal partition plate 15 is convenient for the gas to fully contact with the activated carbon adsorption layer 17 for a long time, and sulfides in the gas are desulfurized through a plurality of groups of activated carbon adsorption layers 17; the flue gas after handling is under the effect of second air pump 25, discharge from blast pipe 18 and get into in the cavity three, the staff controls second motor 21 work, pivot two 22 and helical blade rotate, ammonia is let in to ammonia input tube 19, ammonia gets into cavity three, under helical blade's effect, the gas flow of cavity three has been accelerated, be convenient for ammonia and flue gas reaction carry out denitration treatment, flue gas desulfurization denitration dust removal treatment completion back, the staff opens valve 24 No. one, the flue gas is discharged from blast pipe 23 after desulfurization denitration dust removal treatment, the water that ammonia and flue gas reaction produced, the staff opens valve 28 No. two, water is discharged cavity three from fluid-discharge tube 27.

Motor, dust removal net, air pump that this patent adopted are the market, and its structure and control mode are prior art, no longer give unnecessary details in the description.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a dry-type flue gas desulfurization denitration dust removal integrated device, is including handling case (2), its characterized in that: the lower end of the treatment box (2) is provided with a supporting leg (101), the left side of the bottom end of the treatment box (2) is connected with an air inlet pipe (1), the treatment box (2) is divided into three parts by a transverse plate (26) and a vertical plate (20), the lower part is a cavity I, the left side of the upper part is a cavity III, and the right side of the upper part is a cavity II;

the first cavity is internally connected with a dust removal net (6), the left end of the dust removal net (6) is matched with an anti-blocking structure, and the right end of the first cavity is connected with the air inlet end of a first air pump (14); the air outlet end of the first air pump (14) extends upwards into the second cavity, the right part of the upper end of the second cavity is connected with a first exhaust pipe (18), a baffle (16) is arranged in the second cavity, the left end of the baffle (16) is provided with a through hole, and an active carbon adsorption layer (17) is arranged above the baffle (16); a plurality of groups of active carbon adsorption layers (17) are arranged in parallel;

the first exhaust pipe (18) is attached to the outer wall of the treatment box (2) and is connected with the air inlet end of a second air pump (25), the second air pump (25) is connected to the left end of the treatment box (2), and the air outlet end of the second air pump (25) extends into the cavity III; the three-cavity stirring assembly is installed in cavity III, three upper end left sides of the cavity are connected with two exhaust pipes (23), a valve (24) is installed on the two exhaust pipes (23), the three upper end right sides of the cavity are connected with an ammonia gas input pipe (19), the three bottom left ends of the cavity are connected with a liquid discharge pipe (27), and a valve (28) is installed on the liquid discharge pipe (27).

2. The integrated device for dry type flue gas desulfurization, denitrification and dust removal as claimed in claim 1, wherein: the upper end of a transverse plate (26) in the second cavity is symmetrically connected with a partition plate (15), the lower end of the baffle plate (16) is also connected with the partition plate (15), and the partition plates (15) are distributed in a staggered mode.

3. The integrated device for dry type flue gas desulfurization, denitrification and dust removal as claimed in claim 1, wherein: the anti-blocking structure comprises a first motor (3), the right end of the first motor (3) is connected with a first rotating shaft (4), the first rotating shaft (4) extends rightwards into the first cavity and is connected with a scraper (5); the right end of the scraper (5) is attached to the surface of the left end of the dust removal net (6), and the bottom end of the scraper (5) is provided with a dust exhaust assembly.

4. The integrated device for dry type flue gas desulfurization, denitrification and dust removal as claimed in claim 3, wherein: the dust exhaust assembly comprises a dust guide plate (7), the dust guide plate (7) is hinged with the processing box (2) and is provided with a torsion spring, a storage box (11) is arranged below the dust guide plate (7), the storage box (11) is connected to the bottom end of the processing box (2), and the bottom end of the dust guide plate (7) is connected with a thin rope (9); the thin rope (9) extends out of the containing box (11), is wound with a guide wheel (8) and is finally connected with the pull ring (10); guide wheel (8) are installed in handling case (2) bottom, dust exhaust pipe (12) are installed to containing box (11) bottom, and install No. three valve (13) on dust exhaust pipe (12).

5. The integrated device for dry type flue gas desulfurization, denitrification and dust removal as claimed in claim 1, wherein: the stirring assembly comprises a second motor (21), the second motor (21) is connected to the upper end of the treatment box (2), and the lower end of the second motor (21) is connected with a second rotating shaft (22); the second rotating shaft (22) extends downwards into the third cavity and is connected with a helical blade.