CN211644837U - Titanium white powder waste water treatment recovery unit - Google Patents
Titanium white powder waste water treatment recovery unit Download PDFInfo
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- CN211644837U CN211644837U CN201922446671.1U CN201922446671U CN211644837U CN 211644837 U CN211644837 U CN 211644837U CN 201922446671 U CN201922446671 U CN 201922446671U CN 211644837 U CN211644837 U CN 211644837U
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Abstract
The utility model provides a titanium white powder waste water treatment recovery unit, is a device that is applied to titanium white powder waste water treatment and retrieves, including inlet tube, equalizing basin, hydraulic cyclone, the membrane cisterna, the outlet pipe, the inlet tube is installed and is inserted in the pond in the equalizing basin top, equalizing basin side lower part is equipped with communicating pipe and is connected with hydraulic cyclone, install the water pump on communicating pipe, get into hydraulic cyclone with waste water suction, the overflow pipe on hydraulic cyclone's upper portion inserts the side lower part of membrane cisterna one side, the upper portion and the access pond in the opposite side of membrane cisterna are installed to. Has the advantages of high recovery rate, difficult pollution of the filtering membrane, energy saving and the like.
Description
Technical Field
The utility model relates to an industrial wastewater treatment, in particular to a treatment and recovery device for titanium dioxide wastewater.
Background
Titanium dioxide is used as an inorganic white dye, is nontoxic and chemically stable, and is widely applied to the fields of coating, papermaking, plastic manufacturing and the like. However, the production process of titanium dioxide in China at present mainly adopts a sulfuric acid method, a large amount of wastewater is generated in the first washing process, the second washing process and the third washing process in the production process, the wastewater contains a large amount of titanium dioxide particles, and if the titanium dioxide is not treated and recycled, the titanium dioxide is lost, and the environmental pollution is also caused.
The prior patent (application number: CN 201721896783.1) discloses a titanium dioxide waste water filtering system, which comprises: a waste water storage tank; the filter cavity is a container; the filtering membrane mechanism comprises a filtering membrane cylinder which is arranged in the filtering cavity; the filtering membrane cylinder is of a cylindrical structure, the upper end of the filtering membrane cylinder is communicated with an inlet cavity, and the inlet cavity is communicated with a waste water storage tank through a waste water inlet pipe; the side wall of the filtering membrane cylinder body is surrounded by the filtering membrane; the side wall of the filter cavity is provided with an overflow port. The device system can overcome the not enough that current titanium white powder effluent treatment plant long-pending material is difficult to handle, provides a device that carries out effective processing to the waste water that titanium white powder aftertreatment three washing process produced. However, the device directly carries out membrane treatment on the wastewater from the storage tank, frequent membrane fouling and blocking phenomena can occur, and the power consumption of the system can be increased by using a pressurized membrane water outlet mode.
Disclosure of Invention
The utility model discloses just in order to overcome above-mentioned not enough, provide a handle and retrieve titanium white powder waste water recovery processing device, have that the rate of recovery is high, filtration membrane is difficult for polluting, the energy consumption economizes advantages such as.
The method is implemented specifically as follows: the utility model provides a titanium white powder waste water treatment recovery unit, includes: the water inlet pipe is installed at the top of the regulating reservoir and connected into the reservoir, the lower part of the side surface of the regulating reservoir is provided with a communicating pipe which is connected with the hydrocyclone, a water pump is installed on the communicating pipe and used for sucking waste water into the hydrocyclone, an overflow pipe on the upper part of the hydrocyclone is connected into the lower part of the side surface of one side of the membrane reservoir, and the water outlet pipe is installed on the upper part of the opposite side of the membrane reservoir and connected into the reservoir.
The waste water enters an adjusting tank to be adjusted and mixed firstly, then is pumped into a hydrocyclone by a water pump, the titanium-containing powdery mildew particle mixed liquor with high specific gravity in the hydrocyclone is separated into thick viscous liquid by cyclone separation, and is discharged from the lower part of a component for recycling, and the thin and light mixed liquor flows into a membrane tank from an overflow pipe at the upper part to be filtered and then is discharged through a water outlet pipe.
Further, a stirrer is arranged in the regulating tank and used for uniformly mixing the wastewater.
Further, the outlet end of the overflow pipe at the upper part of the hydraulic cyclone is provided with a check valve to prevent the wastewater from flowing back.
Furthermore, one end of the water return pipe is installed on the upper part of the side wall of the membrane pool, and the other end of the water return pipe is installed and connected to the top of the regulating pool and used for returning concentrated water containing fine titanium dioxide particles to the regulating pool for secondary treatment and recovery.
Furthermore, a flat membrane component is arranged in the membrane pool, and the upper part of the membrane component is communicated with the inlet end of the water outlet pipe.
Furthermore, a suction device is installed on the water outlet pipe and used for forming vacuum in the film hole, so that waste water is sucked and discharged through the film.
Furthermore, a flushing device is installed on the lower portion of the flat membrane component, a clean water inlet pipe penetrates through the side wall of the membrane pool and is connected with the flushing device for water supply, one end of an inlet of the cleaning pipe is installed and connected to the bottom of the membrane pool, one end of an outlet of the cleaning pipe is installed and connected to the top of the adjusting pool, a valve is installed on the cleaning pipe, the membrane component is cleaned regularly to prevent the membrane component from being polluted and blocked, fine titanium dioxide particles attached to the surface of the component are washed off for further recovery, the valve is opened during cleaning, and the cleaned wastewater is discharged into the adjusting pool for.
The utility model has the advantages that:
1, the separation effect of the hydrocyclone is utilized to concentrate and recycle the particles of the titanium dioxide, the equipment is simple, and the energy consumption is low.
2, the membrane pool is utilized to treat, the returned concentrated water and the membrane module surface cleaning wastewater enter the treatment device again to be recycled, and the recycling efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 water inlet pipe, 2 stirrers, 3 regulating tanks, 4 water pumps, 5 hydrocyclones, 51 overflow pipes, 6 membrane tanks, 61 cleaning pipes, 62 water return pipes, 7 flat membrane modules, 8 valves, 9 flushing devices, 10 water outlet pipes, 11 suction devices, 12 check valves and 13 clear water inlet pipes.
Detailed Description
Example 1:
as shown in figure 1, a titanium white powder waste water treatment recovery unit includes: the device comprises a water inlet pipe 1, an adjusting tank 3, a hydrocyclone 5, a membrane tank 6 and a water outlet pipe 10, wherein the water inlet pipe 1 is installed in a connection tank at the top of the adjusting tank 3, a stirrer 2 is installed in the adjusting tank 3, a communicating pipe is installed at the lower part of the side surface of the adjusting tank 3 and is connected with the hydrocyclone 5, a water pump 4 is installed on the communicating pipe, an overflow pipe 51 at the upper part of the hydrocyclone 5 is connected with the lower part of the side surface of one side of the membrane tank 6, a check valve 12 is installed at the outlet end of the overflow pipe 51, the water outlet pipe 10 is installed at the upper part of the opposite side of the membrane tank 6 and is connected into the; the flat membrane component 7 is arranged in the membrane pool 6, the upper part of the membrane component is communicated with the inlet end of a water outlet pipe 10, and a suction device 11 is arranged on the water outlet pipe 10; the lower part of the flat membrane component 7 is provided with a washing device 9, and a clear water inlet pipe 13 penetrates through the side wall of the membrane tank and is connected with the washing device 9 for supplying water; the installation of the import one end of scavenge pipe 61 inserts 6 bottoms on the membrane pond, and the installation of export one end inserts 3 tops of equalizing basin, installs valve 8 on the scavenge pipe 61.
The waste water enters the adjusting tank 3, is adjusted and mixed by the stirrer 2, is sucked by the water pump 4 and enters the hydraulic cyclone 5, the large and heavy titanium-containing powdery mildew granule mixed liquor in the hydraulic cyclone 5 is separated into thick viscous liquid by cyclone separation, is discharged from the lower part of the component and is recycled, the thin and light mixed liquor flows into the membrane tank 6 through the overflow pipe 51 at the upper part, and the overflow pipe is provided with the check valve 12 to prevent the waste water from flowing back; after the wastewater enters the membrane pool, vacuum state is formed in membrane holes through a suction device 11, the wastewater is discharged through membrane filtration, and concentrated water containing fine titanium dioxide particles enters the regulating pool 3 again through a water return pipe 62 for recycling treatment again; regularly cleaning the flat membrane component 7 to prevent the membrane component from being polluted and blocked, simultaneously washing off the fine titanium dioxide particles attached to the surface of the membrane component, opening a valve 8 during cleaning, and discharging the cleaning wastewater after cleaning into an adjusting tank 5 for recycling again.
Claims (7)
1. The utility model provides a titanium white powder waste water treatment recovery unit, includes inlet tube, equalizing basin, hydrocyclone, membrane cisterna, outlet pipe, and the inlet tube is installed and is inserted in the pond at the equalizing basin top, its characterized in that: the lower part of the side surface of the adjusting tank is provided with a communicating pipe which is connected with the hydrocyclone, the communicating pipe is provided with a water pump, an overflow pipe at the upper part of the hydrocyclone is connected with the lower part of the side surface at one side of the membrane tank, and a water outlet pipe is arranged at the upper part of the opposite side of the membrane tank and is connected into the tank.
2. The titanium dioxide production wastewater treatment and recovery device according to claim 1, characterized in that: the adjusting tank is provided with a stirrer.
3. The titanium dioxide production wastewater treatment and recovery device according to claim 1, characterized in that: the outlet end of an overflow pipe at the upper part of the hydraulic cyclone is provided with a check valve.
4. The titanium dioxide production wastewater treatment and recovery device according to claim 1, characterized in that: one end of the water return pipe is arranged on the upper part of the side wall of the membrane pool, and the other end of the water return pipe is arranged and connected to the top of the adjusting pool.
5. The titanium dioxide production wastewater treatment and recovery device according to claim 1, characterized in that: the membrane pool is provided with a flat membrane component, and the upper part of the membrane component is communicated with the inlet end of the water outlet pipe.
6. The titanium dioxide production wastewater treatment and recovery device according to claim 1, characterized in that: the water outlet pipe is provided with a suction device.
7. The titanium dioxide production wastewater treatment and recovery device according to claim 5, characterized in that: a flushing device is installed on the lower portion of the flat-plate membrane assembly, a clear water inlet pipe penetrates through the side wall of the membrane pool and is connected with the flushing device to supply water, one end of an inlet of the cleaning pipe is installed and connected to the bottom of the membrane pool, one end of an outlet of the cleaning pipe is installed and connected to the top of the adjusting pool, and a valve is installed on the cleaning pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446671.1U CN211644837U (en) | 2019-12-30 | 2019-12-30 | Titanium white powder waste water treatment recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446671.1U CN211644837U (en) | 2019-12-30 | 2019-12-30 | Titanium white powder waste water treatment recovery unit |
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| Publication Number | Publication Date |
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| CN211644837U true CN211644837U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922446671.1U Active CN211644837U (en) | 2019-12-30 | 2019-12-30 | Titanium white powder waste water treatment recovery unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950452A (en) * | 2019-12-30 | 2020-04-03 | 江苏夏航环保科技有限公司 | Titanium white powder waste water treatment recovery unit |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950452A (en) * | 2019-12-30 | 2020-04-03 | 江苏夏航环保科技有限公司 | Titanium white powder waste water treatment recovery unit |
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