CN210505787U

CN210505787U - A environmental protection clarification plant for power plant boiler desulfurization waste water

Info

Publication number: CN210505787U
Application number: CN201920697911.2U
Authority: CN
Inventors: 宋阳; 王艳鹏; 蒋翀; 王文生; 李彦龙; 谭袖
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-05-12
Anticipated expiration: 2029-05-10

Abstract

An environment-friendly purification device for desulfurization wastewater of a power station boiler comprises a first purification kettle, a communicating pipe, a first delivery pump and a second purification kettle; the first purifying kettle and the second purifying kettle are respectively arranged on the base, and the discharge end of the first purifying kettle is connected with the feed end of the second purifying kettle through a communicating pipe; a first delivery pump is arranged on the communicating pipe; a filtering and adsorbing device is arranged in the first purifying kettle, a reaction stirring device is arranged in the second purifying kettle, and filter screen plates are respectively arranged on the inner walls of the two sides of the first purifying kettle; the filter screen plates are obliquely arranged, two ends of the fixing plate are respectively connected with the two groups of filter screen plates, and the output ends of the double-shaft motor are respectively connected with the first rotating shaft and the second rotating shaft; the top of the first rotating shaft is connected with the rotating drum; the second rotating shaft penetrates through the fixed plate and is rotationally connected with the fixed plate; a plurality of groups of activated carbon rods are uniformly arranged on the second rotating shaft. The utility model discloses to filter and adsorb and react the effectual combination of purification, and purification treatment is efficient, and purifying effect is good.

Description

A environmental protection clarification plant for power plant boiler desulfurization waste water

Technical Field

The utility model relates to a desulfurization waste water purifies the field, especially relates to an environmental protection clarification plant for power plant boiler desulfurization waste water.

Background

The desulfurization waste water is mainly the discharge water of an absorption tower in the wet desulfurization (limestone/gypsum method) process of boiler flue gas, and in order to maintain the balance of materials of a slurry circulating system of a desulfurization device, prevent the concentration of soluble parts, namely chlorine, in the flue gas from exceeding a specified value and ensure the quality of gypsum, a certain amount of waste water is discharged from the system, wherein the waste water mainly comes from a gypsum dehydration and cleaning system. The impurities contained in the wastewater mainly comprise suspended matters, supersaturated sulfite, sulfate and heavy metals, and many of the impurities are the first pollutants which are strictly controlled in the national environmental protection standard. The traditional environment-friendly purification equipment for desulfurization wastewater has low purification efficiency, and wastewater is directly discharged because of incomplete purification.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides an environmental protection clarification plant for power plant boiler desulfurization waste water will filter and adsorb and react the effectual combination of purification, and purification treatment is efficient, and purifying effect is good.

The utility model provides a technical scheme that above-mentioned problem adopted is: the environment-friendly purification equipment for the desulfurization wastewater of the power station boiler is characterized by comprising a first purification kettle, a communicating pipe, a first delivery pump and a second purification kettle; the first purifying kettle and the second purifying kettle are both arranged on the base, and the discharge end of the first purifying kettle is connected with the feed end of the second purifying kettle through a communicating pipe; a first delivery pump is arranged on the communicating pipe; a filtering and adsorbing device is arranged in the first purifying kettle, a reaction stirring device is arranged in the second purifying kettle, and a feeding funnel is arranged at the top of the second purifying kettle;

the filtering and adsorbing device comprises a rotary drum, a filtering hole, a double-shaft motor, a first rotating shaft, a first fixing plate, a filtering screen plate, a second rotating shaft and an activated carbon rod; the top of the first purifying kettle is provided with an annular groove; the rotary drum is positioned in the annular groove and is rotationally connected with the annular groove, and the wall surface of the rotary drum is provided with filter holes; the inner walls of the two sides of the first purifying kettle are provided with filter screen plates; the filter screen plates are obliquely arranged, and two ends of the first fixing plate are respectively connected with the two groups of filter screen plates; the output end of the double-shaft motor is respectively connected with the first rotating shaft and the second rotating shaft; the top of the first rotating shaft is connected with the rotating drum; the second rotating shaft penetrates through the first fixing plate and is rotatably connected with the first fixing plate; a plurality of groups of activated carbon rods are uniformly arranged on the second rotating shaft.

Preferably, the base is provided with rollers.

Preferably, the reaction stirring device comprises a motor, a third rotating shaft, a main stirring paddle, a seal box, a driving bevel gear, a driven bevel gear, a fourth rotating shaft and an auxiliary stirring paddle; a sealing box is arranged on the inner wall of the bottom of the second purifying kettle; the motor is arranged at the top of the second purifying kettle, the output end of the motor is connected with the third rotating shaft, and the third rotating shaft sequentially penetrates through the top of the second purifying kettle and the top of the seal box and is rotationally connected with the second purifying kettle and the seal box; the lower part of the third rotating shaft is provided with a main stirring paddle; a driving bevel gear is arranged at the bottom of the third rotating shaft, the driving bevel gear and the two groups of driven bevel gears are both positioned in the seal box, and the driving bevel gears are in meshed connection with the two groups of driven bevel gears; the driven bevel gear is connected with a fourth rotating shaft, and the fourth rotating shaft penetrates through the seal box and is rotationally connected with the seal box; and an auxiliary stirring paddle is arranged on the fourth rotating shaft.

Preferably, the discharge end of the second purifying kettle is connected with a liquid discharge pipe, and a control valve is arranged on the discharge end of the liquid discharge pipe; the liquid discharge pipe is provided with a water quality monitor.

Compared with the prior art, the utility model, have following advantage and effect: adding wastewater into a rotary drum, starting a double-shaft motor to rotate, driving a first rotary shaft and a second rotary shaft to rotate simultaneously, driving the rotary drum to rotate by the first rotary shaft, enabling the wastewater to flow out from filter holes on the rotary drum under the centrifugal action of the rotary drum and flow out along outlets on a filter screen plate to enter a first purification kettle, driving an activated carbon rod by a rotating second rotary shaft, further adsorbing the filtered wastewater and removing peculiar smell in the wastewater, inputting the filtered and adsorbed wastewater into a second purification kettle by a first conveying pump, driving a third rotary shaft to rotate by the motor, driving a main stirring paddle to rotate by the third rotary shaft, driving a driving bevel gear to rotate by the driving bevel gear through meshing action, driving a secondary stirring paddle to rotate by the driven bevel gear through a fourth rotary shaft, and further enabling the wastewater to be stirred more fully in the second purification kettle, and the reaction and purification effect of the waste water is improved.

Drawings

In order to more clearly illustrate the embodiments and/or prior art solutions of the present invention, the drawings used in the description of the embodiments and/or prior art will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a schematic structural diagram of an environment-friendly purification device for desulfurization wastewater of a power station boiler in the embodiment of the present invention.

Reference numerals: 1. a first purification kettle; 2. a rotating drum; 3. filtering holes; 4. a double-shaft motor; 5. a first rotating shaft; 6. a first fixing plate; 7. a filter screen plate; 8. a water quality monitor; 9. a second rotating shaft; 10. an activated carbon rod; 11. a base; 12. a communicating pipe; 13. a first delivery pump; 14. a second purifying kettle; 15. a charging hopper; 16. a motor; 17. a third rotating shaft; 18. a main stirring paddle; 19. a sealing box; 20. a drive bevel gear; 21. a driven bevel gear; 22. a fourth rotating shaft; 23. an auxiliary stirring paddle; 24. a liquid discharge pipe; 25. and a roller.

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.

As shown in fig. 1, the utility model provides an environment-friendly purification device for desulfurization wastewater of a power station boiler, which comprises a first purification kettle 1, a communicating pipe 12, a first delivery pump 13 and a second purification kettle 14; the first purifying kettle 1 and the second purifying kettle 14 are respectively arranged on the base 11, and the discharge end of the first purifying kettle 1 is connected with the feed end of the second purifying kettle 14 through a communicating pipe 12; the communicating pipe 12 is provided with a first delivery pump 13; be provided with filtering adsorption equipment in the first purification cauldron 1, be provided with reaction agitating unit in the second purification cauldron 14, and the top of second purification cauldron 14 is provided with feed hopper 15.

The filtering and adsorbing device comprises a rotary drum 2, a filtering hole 3, a double-shaft motor 4, a first rotating shaft 5, a first fixing plate 6, a filtering screen plate 7, a second rotating shaft 9 and an activated carbon rod 10; the top of the first purifying kettle 1 is provided with an annular groove; the rotary drum 2 is positioned in the annular groove and is rotationally connected with the annular groove, and the wall surface of the rotary drum 2 is provided with a filter hole 3; the inner walls of the two sides of the first purifying kettle 1 are respectively provided with a filter screen plate 7; the filter screen plates 7 are obliquely arranged, two ends of the first fixing plate 6 are respectively connected with the two groups of filter screen plates 7, and the output end of the double-shaft motor 4 is respectively connected with the first rotating shaft 5 and the second rotating shaft 9; the top of the first rotating shaft 5 is connected with the rotating drum 2; the second rotating shaft 9 penetrates through the first fixing plate 6 and is rotatably connected with the first fixing plate 6; a plurality of groups of activated carbon rods 10 are uniformly arranged on the second rotating shaft 9.

The utility model discloses in, add waste water in to rotary drum 2, then open double-shaft motor 4 and rotate, then drive first pivot 5 and second pivot 9 simultaneously and rotate, first pivot 5 drives rotary drum 2 and rotates, make waste water through the centrifugal action of

rotary drum

2, 3 effluviums in the filtration pore on the rotary drum 2, and flow out along the export 8 on the filter plate board 7, enter into first purification cauldron 1 inside, drive activated carbon rod 10 through pivoted second pivot 9, and then can adsorb the waste water after filtering, and get rid of the peculiar smell in the waste water.

In an alternative embodiment, the base 11 is provided with rollers 25, and the cleaning device is conveniently moved by the rollers 25.

In an alternative embodiment, the reaction stirring device comprises a motor 16, a third rotating shaft 17, a main stirring paddle 18, a seal box 19, a driving bevel gear 20, a driven bevel gear 21, a fourth rotating shaft 22, a secondary stirring paddle 23, a liquid discharge pipe 24, a circulating pipe 25 and a circulating pump 26; a sealing box 19 is arranged on the inner wall of the bottom of the second purifying kettle 14; the motor 16 is arranged at the top of the second purifying kettle 14, the output end of the motor 16 is connected with the third rotating shaft 17, and the third rotating shaft 17 sequentially penetrates through the top of the second purifying kettle 14 and the top of the seal box 19 and is rotationally connected with the second purifying kettle 14 and the seal box 19; the bottom of the third rotating shaft 17 is provided with a main stirring paddle 18; a driving bevel gear 20 is arranged at the bottom of the third rotating shaft 17, the driving bevel gear 20 and the driven bevel gears 21 are both positioned in the seal box 19, and the driving bevel gear 20 is meshed and connected with the two groups of driven bevel gears 21; the driven bevel gear 21 is connected with a fourth rotating shaft 22, and the fourth rotating shaft 22 penetrates through the seal box 19 and is rotationally connected with the seal box 19; be provided with vice stirring rake 23 in the fourth pivot 22, it rotates to drive third pivot 17 through motor 16, third pivot 17 drives main stirring rake 18 and rotates, and simultaneously, third pivot 17 drives the rotation of drive bevel gear 20, and drive bevel gear 20 drives driven bevel gear 21 through the meshing effect and rotates, and driven bevel gear 21 drives vice stirring rake 23 through fourth pivot 22 and rotates, and then makes waste water more abundant of stirring in second purification kettle 1, and has improved the effect that waste water reaction purifies.

In an alternative embodiment, the discharge end of the second purifying kettle 14 is connected with a liquid discharge pipe 24, and a control valve is arranged on the discharge end of the liquid discharge pipe 24; the water discharge pipe 24 is provided with a water quality monitor 8; the circulating pump 25 is installed on the outer wall of the second purifying kettle 14, and by arranging the water quality monitor 8, qualified wastewater is discharged by opening the control valve of the liquid discharge pipe 24 when wastewater treatment is monitored to reach the standard.

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. An environment-friendly purification device for desulfurization wastewater of a power station boiler is characterized by comprising a first purification kettle (1), a communicating pipe (12), a first delivery pump (13) and a second purification kettle (14); the first purifying kettle (1) and the second purifying kettle (14) are both arranged on the base (11), and the discharge end of the first purifying kettle (1) is connected with the feed end of the second purifying kettle (14) through a communicating pipe (12); a first delivery pump (13) is arranged on the communicating pipe (12); a filtering and adsorbing device is arranged in the first purifying kettle (1), a reaction stirring device is arranged in the second purifying kettle (14), and a feeding funnel (15) is arranged at the top of the second purifying kettle (14);

the filtering and adsorbing device comprises a rotary drum (2), filtering holes (3), a double-shaft motor (4), a first rotating shaft (5), a first fixing plate (6), a filtering screen plate (7), a second rotating shaft (9) and an activated carbon rod (10); the top of the first purifying kettle (1) is provided with an annular groove; the rotary drum (2) is positioned in the annular groove and is rotationally connected with the annular groove, and the wall surface of the rotary drum (2) is provided with a filter hole (3); the inner walls of the two sides of the first purifying kettle (1) are provided with filter screen plates (7); the filter screen plates (7) are obliquely arranged, and two ends of the first fixing plate (6) are respectively connected with the two groups of filter screen plates (7); the output end of the double-shaft motor (4) is respectively connected with the first rotating shaft (5) and the second rotating shaft (9); the top of the first rotating shaft (5) is connected with the rotating drum (2); the second rotating shaft (9) penetrates through the first fixing plate (6) and is rotatably connected with the first fixing plate (6); a plurality of groups of activated carbon rods (10) are uniformly arranged on the second rotating shaft (9).

2. The environmental-friendly purification equipment for desulfurization wastewater of utility boilers, according to claim 1, characterized in that the base (11) is provided with rollers (25).

3. The environment-friendly purification equipment for desulfurization wastewater of utility boilers, according to claim 1, characterized in that the reaction stirring device comprises a motor (16), a third rotating shaft (17), a main stirring blade (18), a seal box (19), a driving bevel gear (20), a driven bevel gear (21), a fourth rotating shaft (22) and an auxiliary stirring blade (23); a sealing box (19) is arranged on the inner wall of the bottom of the second purifying kettle (14); the motor (16) is arranged at the top of the second purifying kettle (14), the output end of the motor (16) is connected with the third rotating shaft (17), and the third rotating shaft (17) sequentially penetrates through the top of the second purifying kettle (14) and the top of the seal box (19) and is rotatably connected with the second purifying kettle (14) and the seal box (19); the lower part of the third rotating shaft (17) is provided with a main stirring paddle (18); a driving bevel gear (20) is arranged at the bottom of the third rotating shaft (17), the driving bevel gear (20) and the two groups of driven bevel gears (21) are both positioned in a seal box (19), and the driving bevel gear (20) is meshed and connected with the two groups of driven bevel gears (21); the driven bevel gear (21) is connected with a fourth rotating shaft (22), and the fourth rotating shaft (22) penetrates through the seal box (19) and is rotationally connected with the seal box (19); an auxiliary stirring paddle (23) is arranged on the fourth rotating shaft (22).

4. The environment-friendly purification equipment for desulfurization wastewater of utility boilers, according to claim 1, characterized in that the discharge end of the second purification kettle (14) is connected with a liquid discharge pipe (24), and a control valve is arranged on the discharge end of the liquid discharge pipe (24); a water quality monitor (8) is arranged on the liquid discharge pipe (24).