CN215828406U - Backwashing activated carbon oil removing device - Google Patents

Backwashing activated carbon oil removing device Download PDF

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Publication number
CN215828406U
CN215828406U CN202121920310.7U CN202121920310U CN215828406U CN 215828406 U CN215828406 U CN 215828406U CN 202121920310 U CN202121920310 U CN 202121920310U CN 215828406 U CN215828406 U CN 215828406U
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water
partition plate
backwashing
porous partition
activated carbon
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CN202121920310.7U
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Chinese (zh)
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李波
徐鹏
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Nanjing Bidun Environmental Protection Technology Co ltd
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Nanjing Bidun Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a backwashing oil removing device for activated carbon, which belongs to the technical field of oil-water separation and comprises: an upper chamber unit area, a middle chamber active carbon area and a lower chamber water collecting area; the upper chamber unit area comprises a water inlet and distribution port, a manhole I, an HK tubular membrane unit and a porous partition plate I; the middle chamber active carbon area comprises a backwashing water outlet, a manhole II, an active carbon layer, a porous partition plate II and a discharge opening; the lower chamber water collecting area comprises a clapboard supporting pipe, a water outlet and a manhole III. The backwashing of the device removes impurities trapped by the activated carbon layer, solves the problem of frequent discharging and backfilling of the activated carbon, is convenient to operate, increases an upper chamber unit area, improves the impurity interception rate, increases an oil removal function, improves the water quality of discharged water, saves cost and improves the use efficiency.

Description

Backwashing activated carbon oil removing device
Technical Field
The utility model belongs to the technical field of oil-water separation, and particularly relates to a backwashing activated carbon oil removal device.
Background
An activated carbon filter device is widely used in the field of oil-water separation.
Single room active carbon device commonly used, behind the impurity of active carbon adsorption aquatic, form easily to harden and take place dirty stifled, in case can't effective backwash after taking place dirty stifled knot, then need open jar and take out the active carbon and wash, the operation degree of difficulty is great.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a backwashing activated carbon oil removal device.
A backwashing oil removing device of activated carbon comprises an upper chamber unit area, a middle chamber activated carbon area and a lower chamber water collecting area,
the upper chamber unit area is provided with an HKB-4 type tubular interception membrane oil removal unit with high efficiency oil-water separation performance, hydrophobic impurities such as oil in the incoming water are efficiently intercepted and separated by utilizing the selective interception separation characteristic that the HK interception membrane water is not excessive in oil, the water is replaced and permeates through the membrane, oil particles intercepted outside the oil removal membrane unit are gathered on the top of the tank according to a hydraulic channel designed in the tank after being enriched and condensed for a period of time and grown into large oil particles, the large oil particles are discharged from an oil discharge port at proper time to effectively block impurities and enter the lower chamber, so that the service life of the active carbon is prolonged,
the middle-chamber active carbon area is filled with active carbon, organic matters such as water or hydrocarbons with small particle size and the like dissolved in water are adsorbed by the active carbon, and after the adsorption is saturated, backwashing is carried out by exogenous water for repeated use.
And the lower chamber water collecting area is used for collecting the water treated by the device and discharging the water through a water outlet pipe.
The upper chamber unit area comprises a water inlet and distribution port, a manhole I, a porous partition plate I and an HK tubular membrane unit.
The middle chamber active carbon area comprises a backwashing water outlet, a manhole II, a discharge opening, a porous partition plate II and an active carbon layer.
The lower chamber water collecting area comprises a clapboard supporting pipe, a water outlet and a manhole III.
The water inlet and distribution port, the pipeline is fixed on the sealing head, and the elbow is arranged in the water inlet and distribution port and connected with a bell mouth, so that the water inlet is uniformly distributed.
And the manhole I is fixed on the side surface of the shell and used for leading people to enter and exit when the unit is installed.
And the porous partition plate I is fixed in the shell, separates the upper chamber unit area from the middle chamber active carbon area, and is provided with a through hole for mounting the HKB-4 type tubular interception membrane oil removal unit.
The HK tubular membrane unit is a tubular membrane unit specially used for reducing the oil content in water, is fixed on the porous partition plate I and is used for intercepting and removing oil impurities contained in the water.
The backwashing water outlet, the pipeline are fixed on the cylinder body, the elbow is arranged in the backwashing water outlet and connected with a bell mouth, the backwashing water outlet is used for cleaning a water inlet during forward washing in the washing flow process, and impurities washed out by the activated carbon during backwashing are discharged from the bell mouth.
And the manhole II is fixed on the side surface of the shell and used for filling the activated carbon and enabling people to enter and exit.
And the discharge opening is fixed on the side surface of the shell and used for discharging the activated carbon.
And the porous partition plate II is fixed on the shell, separates the middle chamber active carbon area from the lower end socket water collecting area, and is provided with a threaded hole for installing a water cap.
The activated carbon layer has the function of intercepting and filtering, and the layer height is adjusted according to the water quality and the water quantity.
The upper end of the supporting tube is fixed on the partition board, and the lower end of the supporting tube is fixed on the lower end enclosure and is used for supporting the partition board.
And the water outlet is used for discharging water during normal operation, and the water inlet is used for cleaning the water inlet during forward washing and the water inlet is used for feeding water during backwashing in the cleaning process.
And the manhole III is fixed on the lower end enclosure and used for entering and exiting during maintenance.
Furthermore, the size of the bell mouth is determined by the water inlet and outlet amount.
Further, manhole I, II, III size is: DN500 PN10, Standard HG/T21520-2014.
Furthermore, the porous partition board I is provided with openings with the aperture of ∅ 22 mm.
Further, the porous partition plate II is provided with a threaded hole diameter M24 mm.
In conclusion, the utility model has the following beneficial effects:
the three-chamber backwashing structure is adopted, impurities trapped by the activated carbon layer are removed through periodic backwashing, the problem of frequent discharging and backfilling of the activated carbon is solved, the operation is convenient, an upper chamber unit area is increased, the impurity interception rate is improved, an oil removing function is increased, the effluent quality is improved, the cost is saved, and the use efficiency is improved.
Drawings
The utility model will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention.
In the figure, 1-shell, 2-water inlet and distribution port, 3-manhole I, 4-HK tubular membrane unit, 5-porous partition I, 6-backwashing water outlet, 7-manhole II, 8-activated carbon layer, 9-porous partition II, 10-partition supporting tube, 11-water outlet, 12-discharge port and 13-manhole III.
Detailed Description
The utility model is fully described below with reference to the accompanying drawings, and the technical solutions and the technical features proposed by the present invention can be combined with each other, and the overall structure of the present invention includes:
the upper part of the shell 1 is an upper chamber unit area, the middle part is a middle chamber active carbon area, and the lower part is a lower chamber water collecting area;
the upper chamber unit area comprises a water inlet and distribution port 2, a manhole I3, an HK tubular membrane unit 4 and a porous partition plate I5.
The middle chamber active carbon area comprises a backwashing water outlet 6, a manhole II 7, an active carbon layer 8, a porous partition plate II 9 and a discharge opening 12.
Wherein, the lower chamber water collecting area comprises a clapboard supporting pipe 10, a water outlet 11 and a manhole III 13.
And the water inlet and distribution port 2 is provided with a bell mouth water distributor, wherein the size of the bell mouth is determined according to the water quantity of the equipment.
Manhole I3 size does: DN500 PN10, Standard HG/T21520-2014.
HK tubular membrane unit 4, having a size, outer diameter of 75mm, length of 500mm,
the HK tubular membrane unit 4, the lower end cap of which has a connection rod member with an outer diameter of 22 mm.
The inner diameter of a through hole of the porous partition plate I5 is 22 mm. And the connecting rod of the lower end cover of the HK tubular membrane unit 4 penetrates through the through hole of the porous partition plate I5 to be fixed with the porous partition plate I5.
A back washing water outlet 6 which is provided with a bell mouth, the size of the bell mouth is determined according to the water quantity of the equipment,
the size of the water distributor is determined according to the water inflow of the equipment.
The manhole II 7 has the following dimensions: DN500 PN10, Standard HG/T21520-2014.
Activated carbon layer 8: the layer height is not less than 800mm, and is determined according to water quality and water quantity.
And the porous partition plate II 9 is provided with a threaded hole with the specification of M24, and the threaded hole is used for installing a water cap device.
The partition board supporting tube 10 is used for supporting the porous partition board II 9, the specification is 65mm in outer diameter and 5mm in wall thickness, the upper end of the partition board supporting tube 10 is fixedly connected with the porous partition board II 9, and the lower end of the partition board supporting tube is welded and fixed with the inner wall of the shell 1.
The water outlet 11 is used for water outlet after water quality treatment when in normal use and is used as a water inlet when in backwashing.
The discharge opening 12 is of the specific size DN250 PN10 and is blind-closed with a flange cover.
The manhole III 13 has the following dimensions: DN500 PN10, Standard HG/T21520-2014.
Principle of operation
And (3) normal working process: the oil-water mixture enters the upper chamber unit area from the water inlet and distribution port 2, when liquid passes through the HK tubular membrane unit 4, large-particle oil drops are blocked by the unit and cannot pass through, water, small-diameter oil particles dissolved in the water and hydrocarbons enter the middle chamber active carbon area through the porous partition plate I, organic matters such as hydrocarbons dissolved in the water and small in particle size are adsorbed on the active carbon layer of the middle chamber active carbon area, the filtered water enters the water collection area through the water cap on the porous partition plate II 9 and enters the next-stage treatment device through the water outlet 11.
And (3) backwashing work flow: backwash water enters the lower chamber water collecting area through the water outlet 11, then enters the middle chamber active carbon area through the water cap on the porous partition plate II 9, the whole active carbon layer 8 is subjected to expansion washing, and the impurity-containing water after washing passes through the backwash water outlet 6 and is discharged out of the device.
The forward washing work flow comprises the following steps: the cleaning water enters the active carbon area of the middle chamber through the backwashing water outlet 6, then enters the water collecting area of the lower chamber through the water cap on the porous partition plate II 9, washes the whole active carbon layer 8, and the impurity-containing water after washing passes through the water outlet 11 and is discharged out of the device.
In a complete flushing process, a forward flushing process and a back flushing process are circularly carried out, so that the aim of fully flushing the activated carbon layer is fulfilled.

Claims (5)

1. The utility model provides a can backwash active carbon deoiling device, its main part is casing (1), its characterized in that, casing (1) includes: an upper chamber unit area, a middle chamber active carbon area and a lower chamber water collecting area;
the upper chamber unit area comprises a water inlet and distribution port (2), a manhole I (3), an HK tubular membrane unit (4) and a porous partition plate I (5);
the middle chamber active carbon area comprises a backwashing water outlet (6), a manhole II (7), an active carbon layer (8), a porous partition plate II (9) and a discharge opening (12);
the lower chamber water collecting area comprises a clapboard supporting pipe (10), a water outlet (11) and a manhole III (13).
2. The backwashing activated carbon oil removal device of claim 1,
in the upper chamber unit area, the top of the shell (1) is provided with a water inlet and distribution port (2), and a bell mouth water distributor is arranged on the water inlet and distribution port; the manhole I (3) is fixed on the side surface of the shell and used for people to enter and exit when the unit is installed;
an HK tubular membrane unit (4) is arranged below the manhole I (3), the HK tubular membrane unit (4) is an HKB-4 type tubular interception membrane, oil in water can be separated, the water permeates through the HK tubular membrane unit (4) in a replacement mode, and the oil is intercepted; a porous partition plate I (5) is arranged below the HK tubular membrane unit (4); the porous partition plate I (5) is fixed in the shell (1), an upper chamber unit area and a middle chamber active carbon area are separated, a through hole is drilled in the porous partition plate I, and a connecting rod at the lower end of the HK tubular membrane unit (4) penetrates through the through hole of the porous partition plate I (5) to be fixed with the porous partition plate I.
3. The backwashing activated carbon oil removal device of claim 1,
in the middle chamber active carbon area, a backwashing water outlet (6) is arranged below the porous partition plate I (5), and a bell mouth is arranged on the backwashing water outlet; the manhole II (7) is fixed on the side surface of the shell (1), an activated carbon layer (8) is arranged below the backwashing water outlet (6), activated carbon is filled in the manhole II, hydrocarbon organic matters which are dissolved in water or have small particle sizes are adsorbed by the activated carbon, and after the adsorption is saturated, backwashing is carried out by exogenous water for repeated use; the side surface of the shell (1) is also provided with a discharge opening (12) which is sealed by a flange cover in a blind way; a porous partition plate II (9) is arranged below the activated carbon layer (8), and is provided with a threaded hole for mounting a water cap device; and a porous partition plate II (9) is fixed in the shell (1) and separates the middle chamber active carbon area from the lower chamber water collecting area.
4. The backwashing activated carbon oil removal device of claim 1,
in the lower chamber water collecting area, a partition plate supporting pipe (10) is arranged below the porous partition plate II (9), the partition plate supporting pipe (10) is used for supporting the porous partition plate II (9), the upper end of the partition plate supporting pipe (10) is fixedly connected with the porous partition plate II (9), and the lower end of the partition plate supporting pipe is fixedly welded with the inner wall of the shell (1); a water outlet (11) is arranged in the middle of the bottom of the shell (1), and is used for discharging water after water quality treatment in normal use and used as a water inlet in backwashing; a manhole III (13) is also arranged at the lower part of the shell (1).
5. A backwashable activated carbon degreasing device as claimed in claim 1, wherein the backwash water outlet (6) is used as a water inlet when in normal use; the water outlet is used for the water outlet after the activated carbon layer (8) is expanded and washed during backwashing.
CN202121920310.7U 2021-08-17 2021-08-17 Backwashing activated carbon oil removing device Active CN215828406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121920310.7U CN215828406U (en) 2021-08-17 2021-08-17 Backwashing activated carbon oil removing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121920310.7U CN215828406U (en) 2021-08-17 2021-08-17 Backwashing activated carbon oil removing device

Publications (1)

Publication Number Publication Date
CN215828406U true CN215828406U (en) 2022-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121920310.7U Active CN215828406U (en) 2021-08-17 2021-08-17 Backwashing activated carbon oil removing device

Country Status (1)

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CN (1) CN215828406U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117440935A (en) * 2023-09-11 2024-01-23 广东邦普循环科技有限公司 Oil removal device and flushing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117440935A (en) * 2023-09-11 2024-01-23 广东邦普循环科技有限公司 Oil removal device and flushing method thereof
WO2025054793A1 (en) * 2023-09-11 2025-03-20 广东邦普循环科技有限公司 Oil removal apparatus and flushing method therefor

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