CN219384823U - Air floatation device with multi-medium filter material for dual-fuel host water treatment system - Google Patents
Air floatation device with multi-medium filter material for dual-fuel host water treatment system Download PDFInfo
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- CN219384823U CN219384823U CN202320452284.2U CN202320452284U CN219384823U CN 219384823 U CN219384823 U CN 219384823U CN 202320452284 U CN202320452284 U CN 202320452284U CN 219384823 U CN219384823 U CN 219384823U
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Abstract
The utility model relates to an air floatation device for a dual-fuel host water treatment system with a multi-medium filter material, which comprises an air floatation tank body, wherein the lower part of a separation chamber of the air floatation tank is provided with the multi-medium filter material, the air floatation device also comprises a scum discharge pipeline arranged at the top of the air floatation tank, a purified water outlet pipeline arranged at the side of the lower part of the air floatation tank, an oily water access pipeline arranged at the bottom of the air floatation tank and a dissolved air water inlet pipeline connected with the oily water access pipeline, a backwash water pipeline arranged at the middle upper part of the air floatation tank, and a dissolved air water inlet branch with an inlet positioned above the multi-medium filter material, wherein the dissolved air water inlet branch is communicated with the dissolved air water inlet pipeline and is respectively provided with a dissolved air water ball valve, and the backwash water pipeline is sequentially provided with a backwash ball valve and a backwash pump and is communicated with the purified water outlet pipeline. The utility model realizes interception of suspended matters remained in the host flue gas washing water by adding the multi-medium filter material at the lower part of the separation chamber, and simultaneously adopts a backwash water pipeline to be matched with a dissolved air water inlet branch so as to realize self-cleaning of the filter material.
Description
Technical Field
The utility model relates to an air floatation device for a water treatment system, in particular to an air floatation device for a dual-fuel host water treatment system with a multi-medium filter material, which is mainly applied to an iCER dual-fuel host flue gas washing water treatment system, is particularly suitable for a water treatment system of a ship, and can treat oily water more effectively.
Background
The iCER water treatment system is a water treatment system specially designed for treating the flue gas washing water of the dual-fuel host machine, is used for removing and separating free oil and suspended matters in the flue gas washing water, and is suitable for separating the free oil and suspended matters with the density close to that of water.
In marine iCER water treatment system, if adopt the marine air supporting device that generally uses in the market at present, after oily water gets into the air supporting jar, although most suspended solid and tiny oil drop all can float to the air supporting jar top surface of water, still have a small amount of suspended solid can flow out the air supporting jar along with rivers together, increased out water turbidity, water treatment effect is relatively poor.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and designs the air floatation device for the dual-fuel host water treatment system with the multi-medium filter material, which has the advantages of simple and reliable structure, self-cleaning realization, no obvious increase of the sewage discharge amount and effective interception of residual suspended matters in water flow.
The utility model is realized in the following way: the utility model provides a take air supporting device for dual fuel host computer water treatment system of multi-media filter material, includes the air supporting jar body, the air supporting jar be the inside and outside two cavity structures of top intercommunication, wherein the outer cavity is the separation chamber, air supporting jar top be equipped with dross discharge line, its characterized in that: the separating chamber lower part be equipped with the multi-media filter material, air supporting device still including locating the water purification outlet pipe way of air supporting jar lower part side, locate the oily water access line of air supporting jar bottom and the dissolved air water that is connected with it and let in the pipeline, be equipped with the dissolved air water ball valve on the dissolved air water access line, the water purification outlet pipe way be equipped with out the water ball valve, oily water access line on be equipped with the sewage pump. The air floatation device also comprises a backwash water pipeline arranged at the middle upper part of the air floatation tank and a dissolved air water inlet branch arranged above the multi-medium filter material, wherein the dissolved air water inlet branch is communicated with the dissolved air water inlet pipeline, the dissolved air water inlet branch is also provided with a corresponding dissolved air water ball valve, and the backwash water pipeline is sequentially provided with a backwash ball valve and a backwash pump and is communicated with a purified water outlet pipeline.
The multi-medium filter material comprises a mixture of quartz sand and anthracite, wherein the granularity of the quartz sand is as follows: 1.2-2.4 mm, the thickness of the quartz sand layer is 300+/-10 mm, and the granularity of anthracite is that of the quartz sand layer: 2-4 mm, and the anthracite layer thickness is 500+/-10 mm.
The beneficial effects of the utility model are as follows: the utility model is applied to an iCER dual-fuel host flue gas washing water treatment system, is used for separating suspended matters and tiny oil drops in host flue gas washing water, and can intercept suspended matters remained in water flow by adding a multi-medium filter material at the lower part of a separation chamber, thereby further reducing the turbidity of effluent and ensuring the water treatment effect. Meanwhile, a self-cleaning structure is designed, the backwash water of the filter material is sourced from the middle upper part of the air floatation tank, no additional water source is needed, the backwash water is pumped into the lower part of the multi-medium filter material from the upper part of the multi-medium filter material, the gaps among filter material particles are increased under the action of pressure, suspended matters in the filter material float to the water surface at the top of the air floatation tank under the action of bubbles of dissolved air water, the repeated cleaning function of the filter material is realized, the filter material can be repeatedly used, the service life is prolonged, the water treatment cost is reduced, and the pollution discharge amount is not obviously increased. The ship water treatment system can realize ship bilge water treatment and emergency rescue work aiming at offshore sewage treatment, and can treat oil sewage more effectively.
Drawings
FIG. 1 is a schematic diagram showing the connection relationship of the components of the present utility model.
In the figure: 1. a multi-medium filter material; 2. A backwash pump; 3. A sewage pump; 4. Backwashing the ball valve; 5. A water outlet ball valve; 6. 1# dissolved air water ball valve; 7. 2# dissolved air water ball valve.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
According to the attached figure 1, the utility model relates to an air flotation device for a dual-fuel host water treatment system with a multi-medium filter material, which comprises an air flotation tank body, wherein the air flotation tank is of an inner cavity structure and an outer cavity structure, the top of the air flotation tank is communicated, the outer cavity is a separation chamber, the lower part of the separation chamber is provided with the multi-medium filter material 1, the air flotation device also comprises a scum discharge pipeline arranged at the top of the air flotation tank, a backwash water pipeline arranged at the middle upper part of the air flotation tank, a purified water outlet pipeline arranged at the side of the lower part of the air flotation tank, an oil sewage access pipeline arranged at the bottom of the air flotation tank, and two water-dissolved-air access branches, one channel is communicated with the oil sewage access pipeline, the access inlet of the other channel is arranged above the multi-medium filter material 1, the two channels of the water-dissolved-air access branches are both communicated with the water-dissolved-air access pipeline, the water-dissolved-air-water access branches are respectively provided with corresponding water-dissolved-air ball valves, the water-dissolved-ball valves 6 are respectively arranged on the lower part of the separation chamber, the water-dissolved-air-water access branches, the water-dissolved-ball valves are respectively arranged on the water-dissolved-ball valves 1# and are sequentially, the water-dissolved water pump 2 are sequentially arranged on the water-dissolved water pump 4, and the backwash water pump is sequentially arranged on the water pump 4, and the water pump is connected with the water through water, and the water pump.
The multi-medium filter material comprises a mixture of quartz sand and anthracite, wherein the granularity of the quartz sand is as follows: 1.2-2.4 mm, the thickness of the quartz sand layer is 300+/-10 mm, and the granularity of anthracite is that of the quartz sand layer: 2-4 mm, and the anthracite layer thickness is 500+/-10 mm.
The working process and working principle of the utility model are as follows:
when the oil sewage is treated, the sewage pump 3 runs, the backwash pump 2 stops running, the backwash ball valve 4 is closed, the 1# air-dissolving water ball valve is opened 6, the 2# air-dissolving water ball valve 7 is closed, the water outlet ball valve 5 is opened, at the moment, the oil sewage enters the air floatation tank after being mixed at the joint through an oil sewage access pipeline and an air-dissolving water inlet branch, and flows to an outer cavity through the top of an inner cavity of the air floatation tank, suspended matters and oil drops in water are filtered through the floating and multi-medium filter material 1, and purified water after treatment is discharged from a purified water outlet pipeline at the bottom of the air floatation tank.
When the filter materials are backwashed, the water outlet ball valve 5 on the water purifying outlet pipeline at the bottom of the air floatation tank is closed, the sewage pump 3 stops running, the backwash ball valve 4 is opened, the backwash pump 2 runs, the 1# air dissolving ball valve 6 is closed, the 2# air dissolving ball valve 7 is opened, under the action of pressure, backwash water is pumped into the lower part of the filter materials from the upper part of the filter materials, gaps among filter material particles are increased, air dissolving water enters the outer cavity of the air floatation tank from the upper part of the multi-medium filter material 1, and suspended matters in the filter materials are flushed out and float to the water surface at the inner top of the air floatation tank under the buoyancy action of air bubbles in the air dissolving water.
When slag is discharged, a water outlet ball valve 5 on a water outlet pipe at the bottom of the air floatation tank is closed, a backwash pump 2 stops running, a backwash ball valve 4 is closed, a sewage pump 3 runs, a No. 1 water-soluble ball valve 6 is opened, a No. 2 water-soluble ball valve 7 is closed, the liquid level in the air floatation tank is increased, and scum at the top of the liquid level overflows and is discharged from a scum discharge pipeline at the top of the air floatation tank.
Claims (2)
1. The utility model provides a take air supporting device for dual fuel host computer water treatment system of multi-media filter material, includes the air supporting jar body, the air supporting jar be the inside and outside two cavity structures of top intercommunication, wherein the outer cavity is the separation chamber, air supporting jar top be equipped with dross discharge line, its characterized in that: the separating chamber lower part be equipped with the multi-media filter material, air supporting device still including locating the water purification outlet pipe way of air supporting jar lower part side, locate the oily water access line of air supporting jar bottom and the dissolved air water that is connected with it and let in the pipeline, be equipped with the dissolved air water ball valve on the dissolved air water access line, the water purification outlet pipe way be equipped with out the water ball valve, oily water access line on be equipped with the sewage pump.
2. The air flotation device for a dual-fuel host water treatment system with a multi-medium filter material according to claim 1, wherein the air flotation device is characterized in that: the air floatation device also comprises a backwash water pipeline arranged at the middle upper part of the air floatation tank and a dissolved air water inlet branch arranged above the multi-medium filter material, wherein the dissolved air water inlet branch is communicated with the dissolved air water inlet pipeline, the dissolved air water inlet branch is also provided with a corresponding dissolved air water ball valve, and the backwash water pipeline is sequentially provided with a backwash ball valve and a backwash pump and is communicated with a purified water outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320452284.2U CN219384823U (en) | 2023-03-10 | 2023-03-10 | Air floatation device with multi-medium filter material for dual-fuel host water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320452284.2U CN219384823U (en) | 2023-03-10 | 2023-03-10 | Air floatation device with multi-medium filter material for dual-fuel host water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384823U true CN219384823U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320452284.2U Active CN219384823U (en) | 2023-03-10 | 2023-03-10 | Air floatation device with multi-medium filter material for dual-fuel host water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219384823U (en) |
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2023
- 2023-03-10 CN CN202320452284.2U patent/CN219384823U/en active Active
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