CN215799027U

CN215799027U - Industrial wastewater denitrification treatment device

Info

Publication number: CN215799027U
Application number: CN202121250807.2U
Authority: CN
Inventors: 周达; 周顺明
Original assignee: Jiangsu Bada Science And Technology Inc
Current assignee: Jiangsu Bada Science And Technology Inc
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-02-11
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a denitrification treatment device for industrial wastewater, which belongs to the field of sewage treatment and comprises an aeration tank, a shaking device, a sludge reflux device, a reaction tank, a sludge collecting channel, a denitrification box and a stirring device, the shaking device is rotatably arranged inside the aeration tank, the sludge reflux device is arranged beside the aeration tank and communicated with the aeration tank, the reaction tank is arranged above the side of the sludge reflux device and is communicated with the sludge reflux device, the sludge collecting channel is arranged at the discharge end of the reaction tank, the denitrification box is arranged at the top of the sludge collecting channel and communicated with the sludge collecting channel, the utility model provides an industrial wastewater denitrification treatment device which is arranged on a denitrification box and can promote the aeration efficiency of wastewater, simultaneously, the sludge is moved according to the concentration of the microorganisms, and the denitrification efficiency of the wastewater is promoted by the stirring device.

Description

Industrial wastewater denitrification treatment device

Technical Field

The utility model relates to the field of sewage treatment, in particular to an industrial wastewater denitrification treatment device.

Background

Industrial waste water (industrial water) including production waste water, production waste water and cooling water, refers to waste water and waste liquid produced in industrial production process, wherein, the industrial production materials, intermediate products, byproducts and pollutants generated in the production process which are lost along with water are contained, the industrial waste water has various types and complex components, for example, the waste water of electrolytic salt industry contains mercury, the waste water of heavy metal smelting industry contains various metals such as lead, cadmium and the like, the waste water of electroplating industry contains various metals such as cyanide, chromium and the like, heavy metals, the waste water of petroleum refining industry contains phenol, the waste water of pesticide manufacturing industry contains various pesticides and the like, because the industrial wastewater contains various toxic substances, the polluted environment has great harm to the human health, therefore, the wastewater is required to be developed for comprehensive utilization, turn harm into good and be discharged after being treated by adopting corresponding purification measures according to the components and the concentration of pollutants in the wastewater.

The utility model discloses an industrial wastewater denitrification treatment device with the prior publication number of CN207792754U, and discloses the industrial wastewater denitrification treatment device, which comprises a denitrification tower for containing sewage, wherein the upper part and the lower part of the side wall of the denitrification tower are respectively and hermetically connected with a water inlet pipe and a water outlet pipe, the denitrification tower is also communicated with an air blowing device and an air outlet pipe, and a stirring device for mixing the sewage is also arranged in the denitrification tower. According to the utility model, the stirring device is additionally arranged in the denitrification tower, so that introduced fresh air is fully stirred and contacted with sewage, and bubbles are dispersed into a plurality of fine bubbles in water for a long time, the air escape time is greatly prolonged, and the contact area and the contact time of the air and the sewage are fully increased.

When the device is used for treating wastewater, the wastewater is promoted to be contacted with air by stirring the wastewater, but the wastewater aeration promotion degree by rotating the wastewater is limited; secondly, the denitrifier and the sludge in the device can cause waste in use, thereby wasting resources.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an industrial wastewater denitrification treatment device, which aims to solve the technical problem.

The embodiment of the utility model adopts the following technical scheme: the utility model provides an industrial wastewater denitrification treatment device, includes the aeration tank, rocks device, sludge reflux unit, reaction tank, collection mud passageway, denitrogenation case and agitating unit, it rotates the inside of installing at the aeration tank to rock the device, sludge reflux unit installs the side at the aeration tank and is linked together with the aeration tank, the reaction tank is installed and is linked together with sludge reflux unit in sludge reflux unit's side top and reaction tank, the discharge end at the reaction tank is installed to collection mud passageway, the denitrogenation case is installed and is linked together at the top of album mud passageway and denitrogenation case and collection mud passageway, agitating unit installs on the denitrogenation case.

Further, the shaking device comprises a shaking motor, a shaking rod, two shaking plates, two shaking wheels and two shaking fixture blocks, wherein the shaking rod is rotatably installed on the inner wall of the aeration tank, the two shaking plates are symmetrically installed on the shaking rod respectively, the two shaking plates are provided with chutes respectively, the two shaking wheels are rotatably installed on two inner side walls of the aeration tank respectively, the two shaking fixture blocks are installed on the two shaking wheels respectively, the two shaking plates are slidably clamped in the two chutes respectively, and the shaking motor is installed on the aeration tank and a main shaft is connected to one of the shaking wheels.

Further, mud reflux unit includes a mud section of thick bamboo, rotates motor and backward flow roller, a mud section of thick bamboo intercommunication is at the side of aeration tank, it installs on the lateral wall of a mud section of thick bamboo and the main shaft runs through a mud section of thick bamboo to rotate the motor, the backward flow roller rotates to be installed in a mud section of thick bamboo and one end is connected on the main shaft of rotating the motor.

Further, be equipped with filter and baffle in the reaction tank, filter horizontal installation is in the reaction tank, the baffle is vertical to be installed in the reaction tank, the baffle divides the reaction tank into sedimentation space and nitration space.

Further, the bottom of the mud collecting channel is provided with a plurality of mud collecting cylinders, each mud collecting cylinder is communicated with the mud collecting channel, and each mud collecting cylinder is internally provided with a cleaning component.

Further, agitating unit includes agitator motor, dwang and six stirring leaves, agitator motor installs and runs through the denitrogenation case at the top and one end of denitrogenation case, the dwang is installed on agitator motor's main shaft, six the stirring leaf is all installed on the dwang, every the stirring leaf is trapezoidal form, every all be equipped with the through-hole on the stirring leaf.

The embodiment of the utility model adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, agitating unit includes agitator motor, dwang and six stirring leaves, agitator motor installs and runs through the denitrogenation case at the top and the one end of denitrogenation case, the dwang is installed on agitator motor's main shaft, six the stirring leaf is all installed on the dwang, every the stirring leaf is trapezoidal form, every all be equipped with the through-hole on the stirring leaf.

And secondly, firstly, the motor is rocked to start to operate, one of the rocking wheels is driven to rotate, the rocking block can be driven to rock by the one rocking wheel, the rocking plate and the rotating rod are driven to rotate while sliding in the sliding groove, the two rocking plates rotate along the same direction of the rocking rod under the matching of the other rocking wheel and the rocking block, a plurality of holes are formed in the rocking plates, when the rocking plates rock, the contact between the waste water and the air can be promoted, and the aeration efficiency is improved.

And thirdly, when the microbial concentration in the reaction tank and the aeration tank is too large, the reflux roller can be driven to rotate by rotating the motor to operate, so that the sludge and the microbes in the reaction tank are moved to the aeration tank or the sludge and the microbes in the aeration tank are moved to the reaction tank, the microbial concentration is prevented from being too low, and the wastewater treatment efficiency is reduced.

It is four, add the methyl alcohol reactant to the denitrogenation case earlier, agitator motor operates afterwards, drives the dwang and rotates to drive six stirring leaves at denitrogenation incasement internal rotation, can effectually promote the contact of denitrogenation incasement portion waste water and methyl alcohol reactant, promote the reaction, the stirring leaf becomes trapezoidal form, can preferentially promote bottom waste water to rotate, improves bottom waste water denitrogenation, then can improve stirring efficiency through the through-hole of stirring leaf.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a perspective sectional view of the present invention;

FIG. 4 is a schematic perspective view of the shaking apparatus of the present invention;

FIG. 5 is a schematic perspective view of the sludge recirculation apparatus according to the present invention;

fig. 6 is a schematic perspective view of the stirring device of the present invention.

Reference numerals

Aeration tank 1 shakes device 2, sludge reflux unit 3, reaction tank 4, mud collecting channel 5, denitrification box 11, agitating unit 6 shakes motor 21, rocks pole 22, rocks board 23, rocks driving wheel 24, rocks fixture block 25, sludge drum 31, rotating motor 32, return roller 33, filter 41, baffle 42, sedimentation space 43, nitrification space 44, mud collecting drum 51, cleaning component 52, agitator motor 61, dwang 62, stirring leaf 63.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, an embodiment of the present invention provides an industrial wastewater denitrification treatment apparatus, including an aeration tank 1, a shaking device 2, a sludge recirculation device 3, a reaction tank 4, a sludge collection channel 5, a denitrification tank 11 and a stirring device 6, wherein the shaking device 2 is rotatably installed inside the aeration tank 1, the sludge recirculation device 3 is installed beside the aeration tank 1 and is communicated with the aeration tank 1, the reaction tank 4 is installed above the side of the sludge recirculation device 3 and is communicated with the sludge recirculation device 3, the sludge collection channel 5 is installed at a discharge end of the reaction tank 4, the denitrification tank 11 is installed at the top of the sludge collection channel 5 and is communicated with the sludge collection channel 5, and the stirring device 6 is installed on the denitrification tank 11; before the waste water treatment, pour into aeration tank 1 with waste water, waste water can approach mud reflux unit 3 afterwards, reaction tank 4, album mud passageway 5 and denitrogenation case 11, at first rock device 2 and promote waste water and air contact, improve aeration efficiency, mud reflux unit 3 flows back the mud in the reaction tank 4 to aeration tank 1 in simultaneously, then add the nitrating agent in reaction tank 4, reaction tank 4 deposits and nitration the waste water, waste water reentrant album mud passageway 5 remains mud in album mud passageway 5 department afterwards, add the methyl alcohol reactant in denitrogenation case 11 again, carry out denitrogenation with agitating unit 6 cooperation to waste water.

Preferably, the shaking device 2 comprises a shaking motor 21, a shaking rod 22, two shaking plates 23, two shaking wheels 24 and two shaking fixture blocks 25, the shaking rod 22 is rotatably installed on the inner wall of the aeration tank 1, the two shaking plates 23 are respectively and symmetrically installed on the shaking rod 22, two shaking plates 23 are respectively provided with a chute, the two shaking wheels 24 are respectively and rotatably installed on two inner side walls of the aeration tank 1, the two shaking fixture blocks 25 are respectively installed on the two shaking wheels 24, the two shaking plates 23 are respectively and slidably clamped in the two chutes, the shaking motor 21 is installed on the aeration tank 1, and the main shaft is connected to one shaking wheel 24; firstly, the motor 21 starts to operate to drive one of the shaking wheels 24 to rotate, one of the shaking wheels 24 can drive the shaking fixture block 25 to slide in the chute and drive the shaking plates 23 and the rotating rod 62 to rotate, and under the matching of the other shaking wheel 24 and the shaking fixture block 25, the two shaking plates 23 rotate along the shaking rods 22 in the same direction, and meanwhile, the shaking plates 23 are provided with a plurality of holes, so that the contact between the waste water and the air can be promoted while the shaking plates 23 shake, and the aeration efficiency is improved.

Preferably, the sludge backflow device 3 comprises a sludge barrel 31, a rotating motor 32 and a backflow roller 33, the sludge barrel 31 is communicated with the side of the aeration tank 1, the rotating motor 32 is installed on the side wall of the sludge barrel 31, the main shaft penetrates through the sludge barrel 31, the backflow roller 33 is rotatably installed in the sludge barrel 31, and one end of the backflow roller is connected to the main shaft of the rotating motor 32; when the microbial concentration phase difference is too big in reaction tank 4 and aeration tank 1, can drive the backward flow roller 33 through rotating the operation of motor 32 and rotate, remove the mud and the microorganism in the reaction tank 4 to aeration tank 1 or remove the mud and the microorganism in the aeration tank 1 to reaction tank 4, avoid microbial concentration to hang down excessively, lead to the waste water treatment efficiency variation.

Preferably, a filter plate 41 and a partition plate 42 are arranged in the reaction tank 4, the filter plate 41 is horizontally arranged in the reaction tank 4, the partition plate 42 is vertically arranged in the reaction tank 4, and the reaction tank 4 is divided into a settling space 43 and a nitrification space 44 by the partition plate 42; the nitrification reaction agent is added into the nitrification space 44, the filter plate 41 can filter the sediment to enable the sediment to remain at the bottom of the sedimentation space 43, the phenomenon that the concentration in the reaction tank 4 is too low due to the flowing of the microorganisms along with the water is prevented, meanwhile, the partition plate 42 divides the reaction tank 4 into the sedimentation space 43 and the nitrification space 44, the sedimentation and the nitrification treatment can be simultaneously carried out on the wastewater, and the microorganisms are also prevented from moving into the nitrification space 44.

Preferably, a plurality of sludge collecting cylinders 51 are arranged at the bottom of the sludge collecting channel 5, each sludge collecting cylinder 51 is communicated with the sludge collecting channel 5, and a cleaning component 52 is arranged in each sludge collecting cylinder 51; the waste water is passed through the sludge collecting passage 5, and the sludge is collected in the sludge collecting cylinders 51, and the sludge is treated by the cleaning member 52, and then the waste water is moved to the denitrification tank 11.

Preferably, the stirring device 6 comprises a stirring motor 61, a rotating rod 62 and six stirring blades 63, the stirring motor 61 is installed at the top of the denitrification box 11, one end of the stirring motor 61 penetrates through the denitrification box 11, the rotating rod 62 is installed on a main shaft of the stirring motor 61, the six stirring blades 63 are all installed on the rotating rod 62, each stirring blade 63 is in a trapezoid shape, and each stirring blade 63 is provided with a through hole; add the methyl alcohol reactant to denitrogenation case 11 earlier, agitator motor 61 operates afterwards, drives dwang 62 and rotates to drive six stirring leaves 63 at the 11 internal rotations of denitrogenation case, can effectually promote the inside waste water of denitrogenation case 11 and the contact of methyl alcohol reactant, promote the reaction, stirring leaf 63 becomes trapezoidal form, can preferentially promote bottom waste water to rotate, improves bottom waste water denitrogenation, then can improve stirring efficiency through the through-hole of stirring leaf 63.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An industrial wastewater denitrification treatment device is characterized by comprising an aeration tank (1), a shaking device (2), a sludge reflux device (3), a reaction tank (4), a sludge collecting channel (5), a denitrification box (11) and a stirring device (6), the shaking device (2) is rotatably arranged inside the aeration tank (1), the sludge reflux device (3) is arranged beside the aeration tank (1) and communicated with the aeration tank (1), the reaction tank (4) is arranged above the side of the sludge reflux device (3) and the reaction tank (4) is communicated with the sludge reflux device (3), the mud collecting channel (5) is arranged at the discharge end of the reaction tank (4), the denitrification box (11) is arranged at the top of the mud collecting channel (5), the denitrification box (11) is communicated with the mud collecting channel (5), and the stirring device (6) is arranged on the denitrification box (11).

2. The denitrification treatment device for industrial wastewater according to claim 1, the shaking device (2) comprises a shaking motor (21), a shaking rod (22), two shaking plates (23), two shaking wheels (24) and two shaking fixture blocks (25), the shaking rods (22) are rotatably arranged on the inner wall of the aeration tank (1), the two shaking plates (23) are respectively and symmetrically arranged on the shaking rods (22), sliding grooves are respectively arranged on the two shaking plates (23), the two shaking wheels (24) are respectively and rotatably arranged on the two inner side walls of the aeration tank (1), the two shaking fixture blocks (25) are respectively arranged on the two shaking wheels (24), and the two shaking plates (23) are respectively and slidably clamped in the two sliding grooves, the shaking motor (21) is arranged on the aeration tank (1) and the main shaft is connected to one shaking wheel (24).

3. The denitrification treatment device for industrial wastewater according to claim 1, wherein the sludge return device (3) comprises a sludge barrel (31), a rotating motor (32) and a return roller (33), the sludge barrel (31) is communicated with the side of the aeration tank (1), the rotating motor (32) is installed on the side wall of the sludge barrel (31) and the main shaft penetrates through the sludge barrel (31), the return roller (33) is rotatably installed in the sludge barrel (31) and one end of the return roller is connected to the main shaft of the rotating motor (32).

4. The denitrification treatment device for industrial wastewater according to claim 1, wherein a filter plate (41) and a partition plate (42) are arranged in the reaction tank (4), the filter plate (41) is horizontally arranged in the reaction tank (4), the partition plate (42) is vertically arranged in the reaction tank (4), and the partition plate (42) divides the reaction tank (4) into a settling space (43) and a nitrification space (44).

5. The denitrification treatment device for industrial wastewater according to claim 1, wherein a plurality of sludge collection cylinders (51) are arranged at the bottom of the sludge collection channel (5), each sludge collection cylinder (51) is communicated with the sludge collection channel (5), and a cleaning member (52) is arranged in each sludge collection cylinder (51).

6. The denitrification treatment device for industrial wastewater according to claim 1, wherein the stirring device (6) comprises a stirring motor (61), a rotating rod (62) and six stirring blades (63), the stirring motor (61) is installed at the top of the denitrification tank (11) and one end of the stirring motor penetrates through the denitrification tank (11), the rotating rod (62) is installed on the main shaft of the stirring motor (61), the six stirring blades (63) are all installed on the rotating rod (62), each stirring blade (63) is in a trapezoidal shape, and each stirring blade (63) is provided with a through hole.