CN221287201U

CN221287201U - Denitration protection device of power plant

Info

Publication number: CN221287201U
Application number: CN202323399148.0U
Authority: CN
Inventors: 程峰云
Original assignee: Datang Guizhou Faer Power Generation Co Ltd
Current assignee: Datang Guizhou Faer Power Generation Co Ltd
Priority date: 2023-12-13
Filing date: 2023-12-13
Publication date: 2024-07-09
Anticipated expiration: 2033-12-13

Abstract

The utility model belongs to the technical field of denitration devices, and particularly relates to a denitration protection device for a power plant, which comprises a bottom plate, a filter tower body fixed on the bottom plate and an air supply mechanism fixedly arranged on one side of the filter tower body, wherein a secondary filter mechanism is arranged between the filter tower body and the bottom plate, a filter screen is fixed in the filter tower body, a spray head mechanism is arranged above the filter screen, a circulating anti-blocking assembly is further arranged on the bottom plate, the circulating anti-blocking assembly comprises a water tank fixed on the upper surface of the bottom plate, and the circulating anti-blocking assembly is arranged.

Description

Denitration protection device of power plant

Technical Field

The utility model belongs to the technical field of denitration devices, and particularly relates to a power plant denitration protection device.

Background

The method is characterized in that a large amount of excessive nitride gas is generated in the working process of the thermal power plant, and the harmful gas has pollution, and is uniformly discharged in the combustion process, but the harmful gas can be transmitted through air, so that the surrounding environment is greatly polluted, meanwhile, the health of nearby workers is endangered, and in addition, a denitration protection device is usually arranged in a smoke outlet for protection during treatment;

Through checking the public (bulletin) number; CN213824054U discloses a thermal power factory denitration protection device, and this technique includes the base, base top is close to central point one side fixed mounting has the filter tower, filter tower inboard middle part fixed mounting has a plurality of filter screen, filter tower one side top fixed mounting has the water guide pipe, the top fixed mounting of water guide pipe has a plurality of drain pipe, the below fixed mounting of drain pipe has a plurality of sprinkler head etc. technical scheme, thereby has and can filter the inside smog of filter tower, when clear water clear up the smog back, fan one work, draws the inside of rose box through the outlet pipe with surplus smog and carries out technological effect "such as secondary denitration;

When the smoke denitration device is used, although the smoke can be subjected to denitration treatment, and the activated carbon filter plate can be conveniently replaced, so that the condition that the filter plate is easy to lose efficacy after being used for a long time can be avoided, but the smoke is preliminarily filtered by clear water, the used water is inconvenient to collect and recycle, so that water resources are wasted, and meanwhile, when the water in the filter tower is excessive, the entering of smoke is influenced, and the using effect of the device is reduced;

in order to solve the above problems, the present application provides a power plant denitration protection device.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a denitration protection device for a power plant, which has the characteristics of being capable of recycling clean water used, thereby saving water resources, avoiding waste of the water resources, avoiding excessive water in a filter tower to influence the entry of smoke and improving the use effect of the device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power plant denitration protection device, includes the bottom plate and fixes the filtration tower main part on the bottom plate and fixed mounting is in the mechanism of supplying air of filtration tower main part one side, install secondary filter mechanism between filtration tower main part and the bottom plate, the inside filter screen that is fixed with of filtration tower main part, the filter screen top is provided with shower nozzle mechanism, still install circulation anti-clogging subassembly on the bottom plate;

The circulating anti-blocking assembly comprises a water tank fixed on the upper surface of the bottom plate, and a water pump A and a water pump B fixed on one side, close to the water tank, of the upper surface of the air supply mechanism, wherein a water pipe A is fixed at the output end of the water pump A, the water pipe A is fixedly connected with the spray head mechanism, and a water pipe B is fixed at the input end of the water pump B.

As the denitration protection device for the power plant, the denitration protection device is preferable, one end of the water pipe B, which is far away from the water pump B, is fixed on the lower surface of the main body of the filtering tower, the input end of the water pump A is fixedly connected with the water tank through the pipe body A, one end of the pipe body A extends to the bottom of the inner cavity of the water tank, and the output end of the water pump B is fixedly connected with the water pump A through the pipe body B.

As the power plant denitration protection device, the center of the upper surface of the filter screen is rotatably connected with a rotating rod through a bearing, a scraping plate is fixed on the surface of the rotating rod, the surface of the scraping plate is attached to the surface of the filter screen, the other end of the rotating rod penetrates through the inside of the filter tower body and extends to the outside of the filter tower body, the rotating rod is fixedly connected with a water wheel outside the filter tower body, the rotating rod is rotatably connected with the filter tower body through the bearing, a water outlet pipe is fixed on the surface of the water pipe A, and the discharge end of the water outlet pipe corresponds to the water wheel.

As the denitration protection device for the power plant, the water wheel is preferably provided with the protective cover outside, the protective cover is fixed on the upper surface of the main body of the filtering tower, the water outlet pipe is fixedly connected with the protective cover, the water inlet pipe is fixed below the surface of the protective cover, and the other end of the water inlet pipe is fixed on the upper surface of the water tank.

The power plant denitration protection device provided by the utility model preferably further comprises a collection assembly arranged on the bottom plate, wherein the collection assembly comprises a dust collector fixed on the upper surface of the bottom plate and a dust collection pipe fixed at the output end of the dust collector, and the other end of the dust collection pipe is fixedly connected with the main body of the filtering tower and is positioned on the upper surface of the filtering screen.

As the denitration protection device for the power plant, the denitration protection device is preferable, an annular plate is fixed on one side, close to the main body of the filtering tower, of the dust suction pipe, a blocking plate is arranged on one side, close to the main body of the filtering tower, of the annular plate, a strong magnet block A is fixed on one side, far away from the annular plate, of the surface of the blocking plate, a T-shaped rod is fixed on one side, close to the annular plate, of the blocking plate, a through groove matched with the T-shaped rod is formed in the surface of the annular plate, the T-shaped rod and the annular plate are in sliding connection through the through groove, an air suction port is formed in one side, close to the annular plate, of the surface of the dust suction pipe, an air inlet net is arranged in the air suction port, the air inlet net is fixedly connected with the dust suction pipe, a strong magnet block B is fixed on one end, far away from the rotating rod, of the scraping plate is provided with a spring, and two ends of the spring are fixedly connected with the annular plate and the T-shaped rod respectively.

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

The circulating anti-blocking assembly is arranged, and the water tank, the water pump A, the water delivery pipe B, the water pump B and the water outlet pipe are matched for use, so that the used clean water can be recycled, water resources are saved, the waste of the water resources is avoided, meanwhile, the phenomenon that the entering of smoke is influenced due to excessive water in the filtering tower is avoided, and the using effect of the device is improved;

Through the cooperation of water wheels, dwang, scraper blade and inlet tube, can scrape the filter screen filtration smog impurity, avoid impurity to adhere to on the filter screen, and lead to blockking up, influence the entering of smog to influence denitration treatment.

The dust collector is provided with the collecting assembly, impurities on the filter screen can be collected and treated through the dust collector and the dust collection pipe, excessive impurities are avoided, the flow effect of smoke is influenced, and therefore the desulfurization efficiency is reduced;

Through annular plate, shutoff board, strong magnet piece A, T type pole, spring, strong magnet piece B and the cooperation of admitting air the net use, impurity operation can be collected to the time partition formula, rotates the round when the scraper blade, collects the clearance once to need not to continuously collect, avoid taking away smog, and influence the denitration effect, further improve the result of use of device, satisfy the in-service use demand.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a rear elevational view of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view showing the structure of a main body of a filtering tower according to the present utility model;

FIG. 4 is a cross-sectional view of the shield of the present utility model;

FIG. 5 is a sectional view showing the structure of a dust suction pipe according to the present utility model;

fig. 6 is a schematic structural diagram of a connecting piece such as a scraper and a strong magnet block B in the present utility model:

1. An air supply mechanism; 11. a bottom plate; 2. a filter tower body; 3. a secondary filtering mechanism; 4. a filter screen; 5. a spray head mechanism;

6. A cyclic anti-blocking assembly; 601. a water tank; 602. a water pump A; 603. a water delivery pipe A; 604. a water delivery pipe B; 605. a water pump B; 606. a water outlet pipe; 607. a protective cover; 608. a water wheel; 609. a rotating lever; 611. a scraper; 612. a water inlet pipe;

7. A collection assembly; 701. a dust collector; 702. a dust collection pipe; 703. an annular plate; 704. a plugging plate; 705. strong magnet block A; 706. a T-shaped rod; 707. a spring; 708. a strong magnet block B; 709. an air inlet net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1:

The utility model provides a power plant denitration protection device, includes bottom plate 11 and fixes the filtration tower main part 2 on bottom plate 11 and fixed mounting is in the mechanism 1 of supplying air of filtration tower main part 2 one side, installs secondary filter mechanism 3 between filtration tower main part 2 and the bottom plate 11, and filtration tower main part 2 is inside to be fixed with filter screen 4, and filter screen 4 top is provided with shower nozzle mechanism 5.

In this embodiment: existing device { public (announcement) number }: CN213824054U discloses a denitration protecting device for a thermal power plant, and the secondary filtering mechanism 3 in the document of the present application adopts the same technical means in the prior art, which are not described in detail herein, and the present application is further improved with respect to the present main body, and the details refer to the following disclosure technology; in order to solve the technical problem in the prior art, the above design is disclosed in the background art, although the smoke can be subjected to denitration treatment and the activated carbon filter plate can be conveniently replaced, so that the condition that the filter plate is easy to lose efficacy after long-term use can be avoided, but the water used is inconvenient to collect and recycle by primarily filtering the smoke through clear water, so that water resources are wasted, meanwhile, when the water in the filter tower is too much, the entering of the smoke is influenced, the using effect of the device is reduced, and the problem is obviously a problem which exists in reality and is difficult to solve in combination with use.

It should be noted that: the fittings used in the secondary filter mechanism 3 are disclosed by publication number CN213824054U, and the use effect thereof can be referred to publication number CN213824054U (i.e. "connecting pipe, fan one, filter box, air outlet pipe, box door, slider, activated carbon filter plate and guide rail component" disclosed in this prior art).

It should be noted that: the air supply mechanism 1 is formed by combining an exhaust pipe and a fan II.

Further, the method comprises the following steps:

As shown in fig. 1-6:

The circulating anti-blocking assembly 6 is further arranged on the bottom plate 11, the circulating anti-blocking assembly 6 comprises a water tank 601 fixed on the upper surface of the bottom plate 11, a water pump A602 and a water pump B605 fixed on one side, close to the water tank 601, of the upper surface of the air supply mechanism 1, a water pipe A603 is fixed at the output end of the water pump A602, the water pipe A603 is fixedly connected with the spray head mechanism 5, and a water pipe B604 is fixed at the input end of the water pump B605.

One end of a water pipe B604 far away from a water pump B605 is fixed on the lower surface of the filtering tower main body 2, the input end of a water pump A602 is fixedly connected with the water tank 601 through a pipe body A, one end of the pipe body A extends to the bottom of the inner cavity of the water tank 601, and the output end of the water pump B605 is fixedly connected with the water pump A602 through the pipe body B.

In this embodiment: this power plant's denitration protection device, when using, firstly, through the mechanism 1 of supplying air with smog suction to filter tower main part 2 inside, start water pump A602 simultaneously with the inside water of water tank 601 through raceway A603 discharge to inside shower nozzle mechanism 5, and discharge from shower nozzle mechanism 5, preliminary filtration is carried out to smog, filter smog impurity through filter screen 4 simultaneously, avoid discharging polluted environment, the water that uses is discharged to filter tower main part 2 inside, simultaneously through start water pump B605, make water pump B605 take out the inside water of filter tower main part 2 through raceway B604, discharge water tank 601 inside, thereby can carry out cyclic utilization to the clear water that uses, thereby reach the water economy resource, avoid the waste of water resource, can not appear filtering tower main part 2 inside water too much and influence the entering of flue gas simultaneously, improve the result of use of device.

Further, the method comprises the steps of;

In an alternative embodiment, the center of the upper surface of the filter screen 4 is rotatably connected with a rotating rod 609 through a bearing, a scraper 611 is fixed on the surface of the rotating rod 609, the surface of the scraper 611 is attached to the surface of the filter screen 4, the other end of the rotating rod 609 penetrates through the inside of the filter tower body 2 and extends to the outside of the filter tower body 2, the rotating rod 609 is fixedly connected with a water wheel 608 outside the filter tower body 2, the rotating rod 609 is rotatably connected with the filter tower body 2 through a bearing, a water outlet pipe 606 is fixed on the surface of the water pipe A603, and the discharge end of the water outlet pipe 606 corresponds to the water wheel 608.

In this embodiment: in the water delivery pipe A603 drainage process, a part of water enters into the water outlet pipe 606 and is discharged, the impact force generated by the discharged water drives the water wheel 608 to rotate, the water wheel 608 rotates and drives the rotating rod 609 to rotate, the rotating rod 609 rotates and drives the scraping plate 611 to rotate, and the scraping plate 611 rotates, so that smoke impurities can be filtered by the filter screen 4 to scrape, the impurities are prevented from being attached to the filter screen 4, the blockage is caused, the entering of smoke is influenced, and the denitration treatment is influenced.

Further, the method comprises the steps of;

in an alternative embodiment, a protective cover 607 is arranged outside the water wheel 608, the protective cover 607 is fixed on the upper surface of the filter tower body 2, the water outlet pipe 606 is fixedly connected with the protective cover 607, a water inlet pipe 612 is fixed below the surface of the protective cover 607, and the other end of the water inlet pipe 612 is fixed on the upper surface of the water tank 601.

In this embodiment: the water can be blocked through the protective cover 607, and meanwhile, the water in the protective cover 607 is discharged into the water tank 601 through the water inlet pipe 612, so that the waste of water resources is avoided.

Further, the method comprises the steps of;

This power plant's denitration protection device still includes the collection subassembly 7 of installing on bottom plate 11, and collection subassembly 7 is including fixing the dust catcher 701 at bottom plate 11 upper surface and fixing the dust absorption pipe 702 at the dust catcher 701 output, and the dust absorption pipe 702 other end and filtering tower main part 2 fixed connection just are located the upper surface of filter screen 4.

An annular plate 703 is fixed on one side, close to the main body 2, of the dust collection pipe 702, a blocking plate 704 is arranged on one side, close to the main body 2, of the annular plate 703, a strong magnet block A705 is fixed on one side, close to the annular plate 703, of the surface of the blocking plate 704, a T-shaped rod 706 is fixed on one side, close to the annular plate 703, of the blocking plate 704, a through groove matched with the T-shaped rod 706 is formed in the surface of the annular plate 703, the T-shaped rod 706 and the annular plate 703 are slidably connected through the through groove, an air suction port is formed in one side, close to the annular plate 703, of the dust collection pipe 702, an air inlet net 709 is arranged in the air suction port, the air inlet net 709 is fixedly connected with the dust collection pipe 702, a strong magnet block B708 is fixed on one end, close to the rotating rod 609, of the scraping plate 611, of the strong magnet block B708 is wound on the surface of the T-shaped rod 706, and two ends of the spring 707 are fixedly connected with the annular plate 703 and the T-shaped rod 706 respectively.

In this embodiment: simultaneously start dust catcher 701, when scraper blade 611 rotates, and drive strong magnet piece B708 and rotate, when the inside strong magnet piece A705 of strong magnet piece B708 and dust absorption pipe 702 is corresponding, strong magnet piece A705 and strong magnet piece B708 adsorb through magnetism mutually this moment, drive the shutoff board 704 through strong magnet piece A705, make shutoff board 704 drive T type pole 706 and remove on annular board 703, simultaneously T type pole 706 compresses spring 707, then make shutoff board 704 and annular board 703 produce certain opening, can take out the impurity that scraper blade 611 scraped from filter tower main part 2 through the cooperation of dust catcher 701, and collect, and influence the flow effect of smog, thereby reduce desulfurization efficiency, simultaneously after strong magnet piece A705 misplaced with strong magnet piece B708, the spring 707 shrink this moment, and drive shutoff board 704 and reset the annular board, the gas that the dust catcher 701 was taken out this moment gets into through the air inlet network, through this operation, can time cut off the scraper blade and collect one-tenth operation, thereby the filter effect is carried out to the filter effect is realized to the filter device is realized to the follow, the filter effect is realized to the filter device is continuously to the dust removal under the cooperation of dust absorption pipe 702, the effect is avoided, the filter effect is further satisfied, the filter effect is realized when the filter device is removed 3 is rotated to the dust removal is realized, the filter effect is realized and the filter effect is further is satisfied.

The working principle and the using flow of the utility model are as follows: when the power plant denitration protection device is used, firstly, smoke is pumped into the filter tower main body 2 through the air supply mechanism 1, meanwhile, the water pump A602 is started to discharge water in the water tank 601 into the spray head mechanism 5 through the water pipe A603 and is discharged from the spray head mechanism 5, so that the smoke is preliminarily filtered, meanwhile, smoke impurities are filtered through the filter screen 4, the environment pollution is avoided, the used water is discharged into the filter tower main body 2, meanwhile, the water pump B605 is started to pump the water in the filter tower main body 2 through the water pipe B604 and is discharged into the water tank 601, so that the used clear water can be recycled, water resources are saved, the waste of the water resources is avoided, the entering of the smoke is not influenced due to excessive water in the filter tower main body 2, the use effect of the device is improved, and in the water discharging process of the water pipe A603, part of water enters into the water outlet pipe 606 and is discharged, the impact force generated by the discharged water drives the water wheel 608 to rotate, the rotating rod 609 is driven to rotate, the scraping plate 611 is driven to rotate, the dust and impurities filtered by the filter screen 4 can be scraped through the rotation of the scraping plate 611, the impurities are prevented from adhering to the filter screen 4 to cause blockage, the entering of the smoke is influenced, the denitration treatment is influenced, the water can be blocked by the protective cover 607, meanwhile, the water in the protective cover 607 is discharged into the water tank 601 through the water inlet pipe 612, the waste of water resources is avoided, the dust collector 701 is started at the same time, the strong magnet block B708 is driven to rotate when the scraping plate 611 rotates, and when the strong magnet block B708 corresponds to the strong magnet block A705 in the dust collection pipe 702, at this moment, strong magnet block A705 and strong magnet block B708 adsorb through magnetism mutually, drive the shutoff board 704 through strong magnet block A705 and remove, make shutoff board 704 drive T type pole 706 and remove on annular board 703, T type pole 706 is compressed spring 707 simultaneously, make shutoff board 704 and annular board 703 produce certain opening afterwards, through the cooperation of dust catcher 701 under dust absorption pipe 702, can follow filter tower main part 2 with the impurity that scraper blade 611 scraped in take out, and collect, avoid impurity too much, and influence the flow effect of smog, thereby reduce desulfurization efficiency, simultaneously after strong magnet block A705 and strong magnet block B708 misplace, the spring shrink at this moment, and drive shutoff board 704 resets, realize closure to annular board 703, at this moment, the gas that the dust catcher 701 took out gets into through air inlet network 709, through this operation, can time cut off impurity operation of collecting, rotate one round when the scraper blade 611, collect, thereby need not to collect constantly, avoid taking away smog, influence the denitration effect, further improve the use of device, the actual demand of using of smog, the filter mechanism that can be discharged through the filtration mechanism 3 later.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a power plant denitration protection device, includes bottom plate (11) and fixes filter tower main part (2) and fixed mounting on bottom plate (11) are in gas feed mechanism (1) of filter tower main part (2) one side, install secondary filter mechanism (3) between filter tower main part (2) and bottom plate (11), filter tower main part (2) inside is fixed with filter screen (4), filter screen (4) top is provided with shower nozzle mechanism (5), its characterized in that: the bottom plate (11) is also provided with a circulating anti-blocking component (6);

The circulation anti-blocking assembly (6) comprises a water tank (601) fixed on the upper surface of the bottom plate (11), and a water pump A (602) and a water pump B (605) fixed on one side, close to the water tank (601), of the upper surface of the air supply mechanism (1), a water pipe A (603) is fixed at the output end of the water pump A (602), the water pipe A (603) is fixedly connected with the spray head mechanism (5), and a water pipe B (604) is fixed at the input end of the water pump B (605).

2. The power plant denitration protection device according to claim 1, characterized in that: one end of the water delivery pipe B (604), which is far away from the water pump B (605), is fixed on the lower surface of the filtering tower main body (2), the input end of the water pump A (602) is fixedly connected with the water tank (601) through a pipe body A, one end of the pipe body A extends to the bottom of the inner cavity of the water tank (601), and the output end of the water pump B (605) is fixedly connected with the water pump A (602) through the pipe body B.

3. The power plant denitration protection device according to claim 2, characterized in that: the utility model discloses a filter screen, including filter screen (4) and filter tower body (2), filter screen (4) upper surface center department is connected with dwang (609) through the bearing rotation, the surface mounting of dwang (609) has scraper blade (611), scraper blade (611) surface and filter screen (4) surface laminating mutually, the other end of dwang (609) runs through inside filter tower body (2) to extend to filter tower body (2) outside, and in outside water wheels (608) fixed connection of filter tower body (2), dwang (609) and filter tower body (2) are connected through the bearing rotation, the surface mounting of raceway A (603) has outlet pipe (606), the discharge end of outlet pipe (606) corresponds with water wheels (608).

4. A plant denitration protection device according to claim 3, characterized in that: the water wheel (608) is externally provided with a protective cover (607), the protective cover (607) is fixed on the upper surface of the filtering tower main body (2), the water outlet pipe (606) is fixedly connected with the protective cover (607), a water inlet pipe (612) is fixed below the surface of the protective cover (607), and the other end of the water inlet pipe (612) is fixed on the upper surface of the water tank (601).

5. The power plant denitration protection device of claim 4, wherein: the dust collection device is characterized by further comprising a collection assembly (7) arranged on the bottom plate (11), wherein the collection assembly (7) comprises a dust collector (701) fixed on the upper surface of the bottom plate (11) and a dust collection pipe (702) fixed at the output end of the dust collector (701), and the other end of the dust collection pipe (702) is fixedly connected with the filtering tower body (2) and is positioned on the upper surface of the filtering screen (4).

6. The power plant denitration protection device of claim 5, wherein: the utility model discloses a dust absorption pipe, including filtering tower main part (2) and dust absorption pipe (702), dust absorption pipe (702) are inside to be close to filtering tower main part (2) one side and be fixed with annular slab (703), annular slab (703) are close to filtering tower main part (2) one side and are provided with shutoff board (704), shutoff board (704) surface is kept away from annular slab (703) one side and is fixed with strong magnet piece A (705), shutoff board (704) surface is close to annular slab (703) one side and is fixed with T type pole (706), annular slab (703) surface offer the logical groove with T type pole (706) looks adaptation, T type pole (706) and annular slab (703) are through this logical groove sliding connection, dust absorption pipe (702) surface is close to annular slab (703) one side and are offered suction inlet network (709) in the suction inlet, suction network (709) and dust absorption pipe (702) fixed connection, scraper blade (611) are kept away from dwang (609) one end and are fixed with strong magnet piece B (708), T type pole (706) surface is around being equipped with spring (707), spring (707) and both ends are fixed with T type pole (703) respectively.