CN209507796U9

CN209507796U9 - SCR denitration catalyst regeneration is with high-efficient effluent treatment plant

Info

Publication number: CN209507796U9
Application number: CN201920134660.7U
Authority: CN
Inventors: 孙红娟; 赵贵民; 柳浏; 薛勇江
Original assignee: Hebei Hantang Hongyuan Environmental Protection Technology Co ltd
Current assignee: Hebei Hantang Hongyuan Environmental Protection Technology Co ltd
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2020-10-30
Anticipated expiration: 2029-01-26
Also published as: CN209507796U

Abstract

The utility model relates to a denitration catalyst washs sewage treatment technical field, especially relates to a high-efficient effluent treatment plant is used in regeneration of SCR denitration catalyst. The circulating wastewater treatment device comprises a circulating wastewater treatment device, circulating water flow is generated between a treatment box and a cleaning pool through a water pump, the water flow enters the treatment box to be precipitated, sludge is accumulated in a filter box under the action of a dragon, stock solution filtered through precipitation is clear and finally flows back into the cleaning pool, the circulating filtration function is realized, the service life of the stock solution is prolonged, the filter box is only required to be opened to clean silt during cleaning, the energy-saving and environment-friendly effects are achieved, the problems that the water quality is guaranteed in the traditional mode, the stock solution needs to be replaced every time when the stock solution is used, waste is caused, and pollution is caused are solved; the design of the many baffles of processing incasement portion and baffle has increased the rivers flow to increased and precipitated the route, the setting up of swash plate can slow down rivers, makes to precipitate the effect better.

Description

A kind of SCR Denitration catalyst regeneration is with high-efficient effluent treatment plant

Technical Field

The utility model relates to a denitration catalyst washs sewage treatment technical field, especially relates to a high-efficient effluent treatment plant is used in regeneration of SCR denitration catalyst.

Background

Among the denitration technologies of a plurality of coal-fired power plants, SCR (selective catalytic reduction) is the most applied and most mature and effective flue gas denitration technology in the world at present. The catalyst is the core of the SCR technology and accounts for about 40% of the total cost of the entire denitration plant. After the SCR catalyst is used for a period of time, phenomena such as scaling, even blockage, catalyst poisoning and the like of catalyst pore channels exist to a greater or lesser extent, so that the denitration efficiency is reduced, and the unit operation is possibly failed. Therefore, the catalyst with ash deposition, scaling and reduced activity is very necessary to be cleaned; a large amount of sludge is generated in the cleaning process of the catalyst to influence the cleaning quality; the traditional cleaning method is to discharge the water for 1-2 times every day with guaranteed quality, and discharge 6.4m after the working procedure is stopped every time³Not only waste but also pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, the technical deficiency who exists is directed against above-mentioned, a high-efficient effluent treatment plant is used in SCR denitration catalyst regeneration is provided, adopt the design of circulating effluent treatment plant, produce the circulation rivers between processing case and washing pond through the water pump, rivers enter and handle the incasement portion and precipitate, mud can pile up in the filter box in the flood dragon effect, the stock solution through sedimentation filtration is clearer, flow back to the washing pond at last, realize the function of circulation filtration, the stock solution live time is lengthened, only need to open the filter box during the clearance and clear up silt can, reach energy-concerving and environment-protective effect, the problem of guaranteeing water quality for traditional mode, the stock solution needs to be changed every use period, not only cause the waste but also cause the pollution is solved; the design of the many baffles of processing incasement portion and baffle has increased the rivers flow to increased and precipitated the route, the setting up of swash plate can slow down rivers, makes to precipitate the effect better.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises an ultrasonic cleaning pool, a water pump, a water inlet pipe, a water return pipe and a circulating wastewater treatment device; a water outlet pipe is arranged on one side of the bottom of the ultrasonic cleaning pool; the water outlet pipe is communicated with the water pump inlet; the circulating wastewater treatment device is arranged on one side of the ultrasonic cleaning pool; the circulating wastewater treatment device comprises a treatment box, a flood dragon, a motor, a belt, a sealing piece and a filter barrel; a water inlet is arranged above the middle part of the left side of the treatment box; the water inlet is communicated with the outlet of the water pump through a water inlet pipe; a water return port is arranged at the right side of the treatment tank at the height position of the water inlet; one end of the water return pipe is connected with a water return port flange, and the other end of the water return pipe is arranged above the ultrasonic cleaning pool.

Further optimizing the technical scheme, the bottom of the treatment box is hermetically provided with a sewage cleaning box; the two sides of the middle part of the sewage disposal tank are provided with sewage disposal pipes in a penetrating way in the length direction; a plurality of through holes are uniformly arranged on the top of the sewage cleaning pipe in a penetrating manner in the length direction; the flood dragon is arranged in the sewage disposal pipe; a connecting shaft is arranged at the right end of the flood dragon; the connecting shaft and the sewage cleaning pipe are sealed through a sealing element; the connecting shaft is connected with the motor through a coupling; the middle part of the connecting shaft is connected with a belt wheel; the two belt wheels are connected through a belt.

Further optimizing the technical scheme, the filter barrel is arranged at the bottom of the left side of the treatment box; the right end of the filter barrel is communicated with the left end of the sewage cleaning pipe; the thread chain link at the bottom of the filter barrel is provided with a filter box; a plurality of connecting columns are uniformly arranged on the periphery of the top of the filter box in the height direction; the top of the connecting column is provided with a filter screen.

Further optimizing the technical scheme, the top of the filter barrel is provided with a connecting pipe; the other end of the connecting pipe is communicated with the processing box; valves are arranged at the middle part of the connecting pipe and the connecting position of the filter vat and the sewage disposal pipe.

Further optimizing the technical scheme, two sides of the middle position in the treatment box are provided with baffle plates; the middle parts of the two baffles are provided with a baffle plate; the baffle and the baffle both sides all are provided with a plurality of swash plates in the direction of height.

Further optimizing the technical scheme, the inclined plate inclines downwards; the bottom of the clapboard is flush with the top of the sewage disposal box; the bottom of the baffle is higher than the bottom of the clapboard; the top of the baffle is higher than the top of the clapboard; the top of the clapboard is flush with the water inlet.

Compared with the prior art, the utility model has the advantages of it is following: 1. according to the design of the circulating wastewater treatment device, circulating water flow is generated between the treatment box and the cleaning pool through the water pump, the water flow enters the treatment box for precipitation, sludge is accumulated in the filter box under the action of a flood dragon, stock solution filtered by precipitation is clear and finally flows back to the cleaning pool, so that the function of circulating filtration is realized; 2. the service time of the stock solution is prolonged, and the filter box is only required to be opened to clean silt during cleaning, so that the effects of energy conservation and environmental protection are achieved, and the problems of waste and pollution caused by the fact that the stock solution needs to be replaced every time the stock solution is used for a period of time in the traditional mode for ensuring water quality are solved; 3. the design of the many baffles of processing incasement portion and baffle has increased the rivers flow to increased and precipitated the route, the setting up of swash plate can slow down rivers, makes to precipitate the effect better.

Drawings

FIG. 1 is a schematic view of the overall installation of a high-efficiency wastewater treatment device for SCR denitration catalyst regeneration.

FIG. 2 is a view showing the overall configuration of a circulating type wastewater treatment apparatus of a high-efficiency wastewater treatment apparatus for regenerating an SCR denitration catalyst.

Fig. 3 is a partial sectional view of an inner installation structure of a filter drum of the high-efficiency wastewater treatment device for regeneration of the SCR denitration catalyst.

FIG. 4 is a schematic view showing the flow direction inside a circulating type wastewater treatment apparatus of a high-efficiency wastewater treatment apparatus for regenerating an SCR denitration catalyst.

In the figure: 1. an ultrasonic cleaning pool; 101. a water outlet pipe; 2. a water pump; 3. a water inlet pipe; 4. a water return pipe; 5. a circulating wastewater treatment apparatus; 501. a treatment tank; 502. flood dragon; 503. a motor; 504. a belt; 505. a seal member; 506. a filter vat; 507. a water inlet; 508. a water return port; 509. a decontamination box; 510. cleaning a sewage pipe; 511. a through hole; 512. a connecting shaft; 513. a pulley; 514. a filter cartridge; 515. connecting columns; 516. filtering with a screen; 517. a connecting pipe; 518. a valve; 519. a baffle plate; 520. a partition plate; 521. a sloping plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: with reference to fig. 1 to 4, an efficient wastewater treatment device for regeneration of SCR denitration catalyst is characterized in that: comprises an ultrasonic cleaning pool 1, a water pump 2, a water inlet pipe 3, a water return pipe 4 and a circulating wastewater treatment device 5; a water outlet pipe 101 is arranged on one side of the bottom of the ultrasonic cleaning pool 1; the water outlet pipe 101 is communicated with an inlet of the water pump 2; the circulating wastewater treatment device 5 is arranged on one side of the ultrasonic cleaning pool 1; the circulating wastewater treatment device 5 comprises a treatment tank 501, a flood dragon 502, a motor 503, a belt 504, a sealing member 505 and a filter barrel 506; a water inlet 507 is formed in the upper portion of the middle of the left side of the treatment tank 501; the water inlet 507 is communicated with the outlet of the water pump 2 through a water inlet pipe 3; a water return port 508 is arranged at the right side of the treatment tank 501 at the height position of the water inlet 507; one end of the water return pipe 4 is connected with a water return port 508 through a flange, and the other end of the water return pipe is arranged above the ultrasonic cleaning pool 1; the bottom of the treatment box 501 is hermetically provided with a sewage disposal box 509; the two sides of the middle part of the sewage disposal box 509 are provided with sewage disposal pipes 510 in a penetrating way in the length direction; a plurality of through holes 511 are uniformly arranged on the top of the sewage cleaning pipe 510 in a penetrating manner in the length direction; the flood dragon 502 is arranged inside the sewage disposal pipe 510; the right end of the flood dragon 502 is provided with a connecting shaft 512; the connecting shaft 512 and the sewage cleaning pipe 510 are sealed by a sealing member 505; the connecting shaft 512 is connected with the motor 503 through a coupling; the middle part of the connecting shaft 512 is connected with a belt wheel 513 by a key; the two belt wheels 513 are connected through a belt 504; the filter barrel 506 is arranged at the bottom of the left side of the treatment box 501; the right end of the filter barrel 506 is communicated with the left end of the sewage cleaning pipe 510; the threaded chain link at the bottom of the filter barrel 506 is provided with a filter box 514; a plurality of connecting columns 515 are uniformly arranged on the periphery of the top of the filter box 514 in the height direction; the top of the connecting column 515 is provided with a filter screen 516; the top of the filtering barrel 506 is provided with a connecting pipe 517; the other end of the connecting pipe 517 is communicated with the processing box 501; valves 518 are respectively arranged at the middle part of the connecting pipe 517 and the connecting positions of the filtering barrel 506 and the sewage cleaning pipe 510; two sides of the middle position in the treatment box 501 are provided with baffles 519; the middle parts of the two baffles 519 are provided with a baffle 520; a plurality of inclined plates 521 are arranged on both sides of the baffle 519 and the partition plate 520 in the height direction; the inclined plate 521 is inclined downward; the bottom of the partition 520 is flush with the top of the cleaning box 509; the bottom of the baffle 519 is higher than the bottom of the partition 520; the top of the baffle 519 is higher than the top of the partition 520; the top of the partition 520 is flush with the water inlet 507.

When the device is used, step one is combined with the steps shown in fig. 1-4, the water pump 2 is started during cleaning, the water pump 2 works to suck stock solution and sludge in the ultrasonic cleaning pool 1 into the treatment tank 501, water flow enters the treatment tank 501 through the water outlet pipe 101, the water inlet pipe 3 of the water pump 2 and the water inlet 507, the baffle 519 is higher than the water inlet 507 in design, the water flow flows towards the bottom of the treatment tank 501, the bottom of the baffle 519 is higher than the bottom of the partition 520, the bottom of the partition 520 is flush with the top of the cleaning tank 509, so that water flow reciprocating up and down movement is formed in the treatment tank 501, and the water flow is finally discharged from the water return port 508 (the water flow direction is shown in fig. 4), so that the path of the water flow is greatly increased in the treatment tank 501, and the increased sludge settling time; when water flow meets the inclined plate 521, the inclined plate 521 can effectively reduce the impact of the water flow, so that the water flow is more stable, the sludge settling effect is accelerated, and when sludge falls on the inclined plate 521, the inclined plate 521 inclines downwards, so that the sludge falling downwards along the inclined plate 521 enters the inside of the sewage cleaning pipe 510 through the through hole 511; when the motor 503 works, the connecting shaft 512 and the flood dragon 502 are driven to synchronously rotate through the coupler, the other flood dragon 502 is driven to synchronously rotate under the action of the belt wheel 513 and the belt 504, the flood dragon 502 pushes the stock solution with higher sludge concentration to move leftwards when rotating, the stock solution and the sludge at the position move leftwards to the position of the filter barrel 506, the stock solution and the sludge are subjected to secondary separation under the action of the filter screen 516, the sludge can be accumulated in the filter box 514, and the filtered stock solution enters the treatment box 501 again through the connecting pipe 517; to sum up, circulating effluent treatment plant 5's design, produce circulation rivers through water pump 2 between handling case 501 and washing pond, rivers get into and handle the inside sediment of case 501, mud can pile up inside filter box 514 at flood dragon 502 effect, it is more limpid through sedimentation filterable stoste, at last the backward flow is in the washing pond, realize the function of loop filter, stoste live time extension, reach energy-concerving and environment-protective effect, the problem of traditional mode for guaranteeing quality of water has been solved, stoste need be changed for using a period, not only cause the waste but also cause the problem of pollution.

Step two, as shown in fig. 1-4, during cleaning, the motor 503 is turned off, the valve 518 is turned off at the same time, the filter cartridge 514 is rotated anticlockwise, the filter cartridge 514, the connecting column 515 and the filter screen 516 are dismounted from the bottom of the filter barrel 506 together, sludge in the dismounted filter cartridge 514 is poured out, then the filter screen 516 and the filter cartridge 514 are cleaned by a high-pressure water gun, and finally the filter cartridge 514 is reset and mounted, so that the cleaning process is simple and convenient to operate, the cleaning process can be realized without stopping the water pump 2, and the cleaning efficiency of the denitration catalyst is high; after the dark turning is finished, the valve 518 is opened to start the motor 503.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a regeneration of SCR denitration catalyst is with high-efficient effluent treatment plant which characterized in that: comprises an ultrasonic cleaning pool (1), a water pump (2), a water inlet pipe (3), a water return pipe (4) and a circulating wastewater treatment device (5); a water outlet pipe (101) is arranged on one side of the bottom of the ultrasonic cleaning pool (1); the water outlet pipe (101) is communicated with the inlet of the water pump (2); the circulating wastewater treatment device (5) is arranged on one side of the ultrasonic cleaning pool (1); the circulating wastewater treatment device (5) comprises a treatment box (501), a flood dragon (502), a motor (503), a belt (504), a sealing piece (505) and a filter barrel (506); a water inlet (507) is arranged above the middle part of the left side of the treatment box (501); the water inlet (507) is communicated with the outlet of the water pump (2) through a water inlet pipe (3); a water return port (508) is arranged at the right side of the treatment tank (501) at the height position of the water inlet (507); one end of the water return pipe (4) is connected with a water return port (508) by a flange, and the other end is arranged above the ultrasonic cleaning pool (1).

2. The efficient wastewater treatment device for regenerating the SCR denitration catalyst according to claim 1, wherein: the bottom of the treatment box (501) is hermetically provided with a sewage cleaning box (509); the two sides of the middle part of the sewage cleaning box (509) are provided with a sewage cleaning pipe (510) in a through way in the length direction; a plurality of through holes (511) are uniformly arranged on the top of the sewage cleaning pipe (510) in a penetrating manner in the length direction; the flood dragon (502) is arranged inside the sewage disposal pipe (510); the right end of the flood dragon (502) is provided with a connecting shaft (512); the connecting shaft (512) and the sewage cleaning pipe (510) are sealed by a sealing element (505); the connecting shaft (512) is connected with the motor (503) through a coupling; the middle part of the connecting shaft (512) is in key connection with a belt wheel (513); the two pulleys (513) are connected by a belt (504).

3. The efficient wastewater treatment device for regenerating the SCR denitration catalyst according to claim 2, wherein: the filter barrel (506) is arranged at the bottom of the left side of the treatment box (501); the right end of the filter barrel (506) is communicated with the left end of the sewage cleaning pipe (510); the bottom of the filter barrel (506) is provided with a filter box (514) by a threaded chain link; a plurality of connecting columns (515) are uniformly arranged on the periphery of the top of the filter box (514) in the height direction; the top of the connecting column (515) is provided with a filter screen (516).

4. The efficient wastewater treatment device for regenerating the SCR denitration catalyst according to claim 2, wherein: the top of the filter barrel (506) is provided with a connecting pipe (517); the other end of the connecting pipe (517) is communicated with the treatment box (501); valves (518) are respectively arranged at the middle part of the connecting pipe (517) and the connecting positions of the filter barrel (506) and the sewage cleaning pipe (510).

5. The efficient wastewater treatment device for regenerating the SCR denitration catalyst according to claim 1, wherein: two sides of the middle position in the treatment box (501) are provided with baffle plates (519); the middle parts of the two baffle plates (519) are provided with a clapboard (520); both sides of the baffle plate (519) and the partition plate (520) are provided with a plurality of inclined plates (521) in the height direction.

6. The efficient wastewater treatment apparatus for regenerating an SCR denitration catalyst according to claim 2 or 5, wherein: the inclined plate (521) inclines downwards; the bottom of the partition plate (520) is flush with the top of the dirt cleaning box (509); the bottom of the baffle plate (519) is higher than the bottom of the partition plate (520); the top of the baffle plate (519) is higher than that of the partition plate (520); the top of the baffle (520) is flush with the water inlet (507).