CN211946550U

CN211946550U - Novel anthraquinone process hydrogen peroxide solution waste water crude processing device

Info

Publication number: CN211946550U
Application number: CN201922109865.2U
Authority: CN
Inventors: 齐国庆; 常青; 周树鹏; 王立委
Original assignee: SHANDONG XINLONG GROUP CO Ltd
Current assignee: SHANDONG XINLONG TECHNOLOGY Co.,Ltd.
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-11-17
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a novel anthraquinone method hydrogen peroxide wastewater rough treatment device, which comprises a shell, wherein the middle part of the inner cavity of the shell is provided with an upper baffle plate, one side of the upper baffle plate is provided with a lower baffle plate, and the other side of the upper baffle plate is provided with an L-shaped baffle plate; the bottom plate of the shell is provided with a bubble generating device, the bubble generating device comprises a main air inlet pipeline and a branch air inlet pipeline, the branch air inlet pipeline is provided with uniformly distributed air holes, the main air inlet pipeline is communicated with an air blower outside the shell through a pipeline, and a heating pipe is arranged right above the bubble generating device; the upper part of the upper clapboard is provided with air nozzles which are arranged on the flow dividing pipe at equal intervals, and the flow dividing pipe is communicated with the blower through a pipeline; the wastewater rough treatment device provided by the utility model can effectively reduce the organic matter entrainment in the wastewater and improve the oil slick removal rate; can effectively recycle the organic matters in the wastewater, does not need to add any reagent and medicine in the recycling process, and avoids secondary pollution.

Description

Novel anthraquinone process hydrogen peroxide solution waste water crude processing device

Technical Field

The utility model relates to a wastewater treatment device, which belongs to the technical field of hydrogen peroxide wastewater treatment equipment.

Background

The anthraquinone process hydrogen peroxide is a common hydrogen peroxide production process. In the process of producing hydrogen peroxide by the anthraquinone method, a large amount of waste water is generated, the waste water mainly contains trioctyl phosphate, arene, anthraquinone and derivatives thereof, if the waste water is not treated, the waste water is directly discharged, great pollution is caused to the environment, and if the waste water is treated, the following problems exist:

firstly, the content of organic matters in the wastewater is very high, and the treatment difficulty is very high; secondly, organic matters with a large content in the wastewater can still be reused, and if a chemical method is adopted for treatment, raw materials are lost and secondary pollution is caused.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel anthraquinone method hydrogen peroxide wastewater rough treatment device is provided, which can effectively reduce the organic matter entrainment in the wastewater and improve the oil slick removal rate; can effectively recycle the organic matters in the wastewater, does not need to add any reagent and medicine in the recycling process, and avoids secondary pollution.

For solving the technical problem, the utility model discloses a following technical scheme:

a novel anthraquinone process hydrogen peroxide wastewater rough treatment device comprises a shell, wherein an upper partition plate is arranged in the middle of an inner cavity of the shell, a lower partition plate arranged in parallel with the upper partition plate is arranged on one side of the upper partition plate, and an L-shaped partition plate is arranged on the other side of the upper partition plate; the bottom plate of the shell is provided with a bubble generating device, the bubble generating device comprises a main air inlet pipeline and branch air inlet pipelines, the branch air inlet pipelines are symmetrically and vertically arranged on two sides of the main air inlet pipeline, the branch air inlet pipelines are distributed at equal intervals, the branch air inlet pipelines are provided with air holes which are uniformly distributed, and the end part of the main air inlet pipeline is communicated with an air outlet of an air blower outside the shell through a pipeline; a horizontally arranged serpentine heating pipe is arranged right above the bubble generating device, two end parts of the heating pipe are respectively fixed on a support, and the support is fixed on the side wall of the shell; the upper part of the upper partition board is provided with air nozzles which are arranged on the flow dividing pipe at equal intervals and communicated with the inner cavity of the flow dividing pipe; the shunt tubes are communicated with the air outlet of the blower through pipelines.

Furthermore, the upper partition board is arranged in parallel with the left side wall and the right side wall of the shell, and a gap is arranged between the lower end part of the upper partition board and the bottom plate of the shell; a gap is arranged between the upper end part of the lower clapboard and the top plate of the shell.

Furthermore, the front end and the rear end of the L-shaped partition plate are fixedly connected with the shell, and the L-shaped partition plate is positioned at the upper part of the inner cavity of the shell.

Furthermore, a first sight glass and a second sight glass are further mounted on the shell, the first sight glass is mounted on the upper portion of a clamping cavity formed between the upper partition plate and the L-shaped partition plate, and the second sight glass is mounted on the upper portion of the clamping cavity formed between the upper partition plate and the lower partition plate.

Furthermore, the shell, the upper partition plate, the lower partition plate and the L-shaped partition plate are all made of 316 stainless steel.

Furthermore, a wastewater inlet is arranged at the lower part of the shell, and wastewater outlets are arranged at the symmetrical positions of the wastewater inlet; the upper part of the shell is also provided with an oil phase outlet.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model provides a novel anthraquinone process hydrogen peroxide solution waste water rough treatment device, the water phase part and the oil phase part in the waste water can be effectively layered rapidly in the process of processing, the organic matter entrainment in the waste water can be effectively reduced, the oil slick removal rate can be improved, the oil slick removal rate can reach about 95%, and the subsequent waste water enters a waste water treatment plant and can easily reach the tertiary standard in the integrated wastewater discharge standard (GB 8978-1996) after being processed; the coarse treatment device can effectively recover organic matters in the wastewater, and no reagent or medicine is required to be added in the recovery process, so that secondary pollution is avoided; the recovered floating oil can be reused after being washed, and waste is avoided.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the bubble generating device of FIG. 1;

FIG. 3 is a schematic view of the heating pipe of FIG. 1;

FIG. 4 is a schematic view of the air faucet of FIG. 1;

in the figure, the position of the upper end of the main shaft,

1-shell, 2-upper partition board, 3-lower partition board, 4-L-shaped partition board, 5-first sight glass, 6-second sight glass, 7-waste water inlet, 8-waste water outlet, 9-oil phase outlet, 10-bubble generating device, 11-main air inlet pipe, 12-branch air inlet pipe, 13-air hole, 14-blower, 15-heating pipe, 16-support, 17-air nozzle and 18-flow dividing pipe.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiment 1 novel rough treatment device for hydrogen peroxide wastewater by anthraquinone process

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a novel anthraquinone method hydrogen peroxide wastewater rough treatment device, which comprises a casing 1 with a cuboid structure, wherein an upper baffle 2 is arranged in the middle of the inner cavity of the casing 1, the upper baffle 2 is arranged in parallel with the left and right side walls of the casing 1, the front end, the rear end and the top end of the upper baffle 2 are fixedly connected with the casing 1, and a gap is arranged between the lower end of the upper baffle 2 and the bottom plate of the casing 1; a lower partition plate 3 arranged in parallel with the upper partition plate 2 is arranged on one side of the upper partition plate, the front end, the rear end and the bottom end of the lower partition plate 3 are fixedly connected with the shell 1, and a gap is formed between the upper end part of the lower partition plate 3 and a top plate of the shell 1; an L-shaped partition plate 4 is mounted on the other side of the upper partition plate 2, the front end and the rear end of the L-shaped partition plate 4 are fixedly connected with the shell 1, the L-shaped partition plate 4 is located on the upper portion of an inner cavity of the shell 1, and an inner cavity formed by the L-shaped partition plate 4 and the shell 1 is used for collecting oil phase substances in wastewater; the shell 1, the upper baffle plate 2, the lower baffle plate 3 and the L-shaped baffle plate 4 are all made of 316 stainless steel materials.

The shell 1 is also provided with a first sight glass 5 and a second sight glass 6, the first sight glass 5 is arranged at the upper part of a clamping cavity formed between the upper clapboard 2 and the L-shaped clapboard 4, and the second sight glass 6 is arranged at the upper part of the clamping cavity formed between the upper clapboard 2 and the lower clapboard 3; a wastewater inlet 7 is arranged at the lower part of the shell 1, and wastewater outlets 8 are arranged at the symmetrical positions of the wastewater inlet 7; an oil phase outlet 9 is further installed at the upper portion of the shell 1, and the oil phase outlet 9 discharges the oil phase collected by the L-shaped partition plate 4.

The bottom plate of the shell 1 is provided with a bubble generating device 10, the bubble generating device 10 comprises a main air inlet pipeline 11 and a branch air inlet pipeline 12, the branch air inlet pipelines 12 are symmetrically and vertically arranged at two sides of the main air inlet pipeline 11, the branch air inlet pipelines 12 are distributed at equal intervals, the inner end parts of the branch air inlet pipelines 12 are fixedly welded with the main body of the main air inlet pipeline 11, and the inner cavities of the branch air inlet pipelines are communicated; the air inlet branch pipeline 12 is provided with uniformly distributed air holes 13, and the air holes 13 are symmetrically distributed on the side wall of the air inlet branch pipeline 12; one end part of the main air inlet pipeline 11 is communicated with an air outlet of a blower 14 outside the shell 1 through a pipeline; the bubble generating device 10 is used for introducing air or other gases into the wastewater to generate micro bubbles, so that some fine suspended oil droplets in the wastewater are attached to the bubbles and float to the water surface together with the bubbles.

A horizontally arranged heating pipe 15 is installed right above the bubble generating device 10, the heating pipe 15 is of a snake-shaped structure, two end parts of the heating pipe 15 are respectively fixed on a support 16, the support 16 is fixed on the side wall of the shell 1, and the heating pipe 15 is connected with a power supply through a lead; the heating pipe 15 has the advantages that the viscosity of the oily wastewater is reduced by heating the wastewater, the resistance of oil drop floating separation is reduced, and the floating speed of the oil drops is increased.

The upper part of the upper clapboard 2 is provided with air nozzles 17, the air nozzles 17 are arranged on the shunt tubes 18 at equal intervals, and the air nozzles 17 are communicated with the inner cavities of the shunt tubes 18; the shunt pipe 18 is communicated with the air outlet of the blower 14 through a pipeline; the air nozzle 17 is used for blowing oil droplets on the surface of the waste water into the L-shaped partition plate 4.

The utility model discloses a concrete working process:

wastewater enters the cavity in the shell 1 through the wastewater inlet 7, the bubble generating device 10 generates micro bubbles under the action of the blower 14, and the heating pipe 15 is electrified to heat the wastewater; the wastewater is layered in the shell 1, a light oil phase part in the wastewater rises under the action of gravity, and a heavy water phase part in the wastewater enters a clamping cavity between the upper partition plate 2 and the lower partition plate 3; along with the rising of the liquid level in the shell 1, the oil phase part finally overflows the vertical plate of the L-shaped partition plate 4 under the action of the air flow sprayed by the air nozzle 17, enters a clamping cavity formed by the L-shaped partition plate 4 and the shell 1 and is finally discharged from an oil phase outlet 9; the water phase part can overflow the top end of the lower clapboard 3, enter a clamping cavity between the lower clapboard 3 and the shell 1 and finally be discharged from a waste water outlet 8; the separation of the water phase and the oil phase can also be observed through the first sight glass 5 and the second sight glass 6.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. A novel anthraquinone process hydrogen peroxide solution waste water crude processing device which is characterized in that: the device comprises a shell (1), wherein an upper partition plate (2) is arranged in the middle of the inner cavity of the shell (1), a lower partition plate (3) arranged in parallel with the upper partition plate is arranged on one side of the upper partition plate (2), and an L-shaped partition plate (4) is arranged on the other side of the upper partition plate (2); the air bubble generating device (10) is mounted on the bottom plate of the shell (1), the air bubble generating device (10) comprises an air inlet main pipeline (11) and air inlet branch pipelines (12), the air inlet branch pipelines (12) are symmetrically and vertically arranged on two sides of the air inlet main pipeline (11), the air inlet branch pipelines (12) are distributed at equal intervals, air holes (13) which are uniformly distributed are formed in the air inlet branch pipelines (12), and the end part of the air inlet main pipeline (11) is communicated with an air outlet of an air blower (14) outside the shell (1) through a pipeline; a horizontally arranged snake-shaped heating pipe (15) is arranged right above the bubble generating device (10), two end parts of the heating pipe (15) are respectively fixed on a support (16), and the support (16) is fixed on the side wall of the shell (1); the upper part of the upper clapboard (2) is provided with air nozzles (17), the air nozzles (17) are arranged on the shunt pipe (18) at equal intervals, and the air nozzles (17) are communicated with the inner cavity of the shunt pipe (18); the shunt pipe (18) is communicated with the air outlet of the blower (14) through a pipeline.

2. The novel anthraquinone process hydrogen peroxide wastewater rough treatment device as claimed in claim 1, is characterized in that: the upper partition plate (2) is arranged in parallel with the left side wall and the right side wall of the shell (1), and a gap is formed between the lower end part of the upper partition plate (2) and the bottom plate of the shell (1); a gap is arranged between the upper end part of the lower partition plate (3) and the top plate of the shell (1).

3. The novel anthraquinone process hydrogen peroxide wastewater rough treatment device as claimed in claim 1, is characterized in that: the front end and the rear end of the L-shaped partition plate (4) are fixedly connected with the shell (1), and the L-shaped partition plate (4) is positioned on the upper part of the inner cavity of the shell (1).

4. The novel anthraquinone process hydrogen peroxide wastewater rough treatment device as claimed in claim 1, is characterized in that: the shell (1) is further provided with a first sight glass (5) and a second sight glass (6), the first sight glass (5) is arranged on the upper portion of a clamping cavity formed between the upper partition plate (2) and the L-shaped partition plate (4), and the second sight glass (6) is arranged on the upper portion of the clamping cavity formed between the upper partition plate (2) and the lower partition plate (3).

5. The novel anthraquinone process hydrogen peroxide wastewater rough treatment device as claimed in claim 1, is characterized in that: the shell (1), the upper partition plate (2), the lower partition plate (3) and the L-shaped partition plate (4) are all made of 316 stainless steel.

6. The novel anthraquinone process hydrogen peroxide wastewater rough treatment device as claimed in claim 1, is characterized in that: a wastewater inlet (7) is arranged at the lower part of the shell (1), and wastewater outlets (8) are arranged at the symmetrical positions of the wastewater inlet (7); the upper part of the shell (1) is also provided with an oil phase outlet (9).