CN212799892U - Separating device for suspended solid and turbid substances - Google Patents
Separating device for suspended solid and turbid substances Download PDFInfo
- Publication number
- CN212799892U CN212799892U CN202021340125.6U CN202021340125U CN212799892U CN 212799892 U CN212799892 U CN 212799892U CN 202021340125 U CN202021340125 U CN 202021340125U CN 212799892 U CN212799892 U CN 212799892U
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- air
- liquid
- treatment tank
- separation treatment
- control valve
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- 239000007787 solid Substances 0.000 title claims abstract description 48
- 239000000126 substance Substances 0.000 title claims description 30
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000000926 separation method Methods 0.000 claims abstract description 48
- 238000005188 flotation Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000007790 scraping Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000005273 aeration Methods 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009300 dissolved air flotation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
An object of the utility model is to provide a floating solid dirty material separator, in order to solve the technical problem in this field, the pending liquid that will contain the floating solid dirty material of air is leading-in from the lower part of air supporting separation treatment tank to attract air and pending liquid through the gas-liquid mixing pump to mix and circulate, make from the direct flow back of gas-liquid mixing pump spun bubble flow in the air supporting separation treatment tank. By discharging the bubble flow of the sewage to the bottom of the air flotation separation treatment tank, the amount of air dissolved in the sewage can be increased and the purification efficiency can be improved, as compared with the conventional sewage purification method based on aeration treatment, which discharges air into the sewage.
Description
Technical Field
The utility model relates to a water purification unit especially relates to a floating solid dirty material separator.
Background
Generally, the way of generating bubbles by air floatation in water treatment is divided into several categories: 1. air-dispersing air flotation, 2, dissolved air flotation, 3, electrolytic coagulation air flotation, 4, biological and chemical air flotation, wherein the electrolytic coagulation air flotation has larger power consumption, electrodes are easy to passivate, and large-scale production is not suitable; biological and chemical air flotation is limited by factors such as temperature, wastewater properties, medicaments and the like, and is poor in stability and reliability. At present, the application is more air-dispersing air floatation and air-dissolving air floatation. Since the nineties, the air-dispersed air flotation has shown its own advantages, namely, the centrifugal force of the high-speed rotating impeller and the vortex formed around the rotor are used together to make the outside air enter the hollow shaft and the rotor from the air inlet, the air and the waste water are fully mixed at the high-speed rotating rotor, and the air is broken into tiny bubbles and diffused into the water by the shearing force of the water.
The proportion of the micro-bubbles with the diameter of 20-40 μm in the total number of the bubbles is not large because the bubbles are only crushed by rotating the impeller with high speed, and the most effective micro-bubbles in the air floatation device are the micro-bubbles.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a floating solid dirty material separator is provided, it improves the purification rate.
In a preferred embodiment of the present invention, the pump has an impeller, and the air block sucked by the impeller is broken, so that the bubble flow is easily formed.
Preferably, the pump is a centrifugal pump or a propeller pump, and a centrifugal pump or a propeller pump, which is a general pump having an impeller, is used instead of an expensive cascade pump having a special structure, so that an increase in the cost of sewage purification can be suppressed. The centrifugal pump and the propeller pump are convenient to maintain and repair. When the pump for drainage is used, the occurrence of a situation in which the normal operation of the pump is hindered by floating solid and turbid substances in the sewage can be prevented, the frequency of decomposition and cleaning of the pump can be reduced, and the efficiency of sewage purification can be improved.
The utility model discloses in, make the micro bubble diffusion sneak into from the leading-in pending liquid of air supporting separation treatment tank, generate the bubble flow that a plurality of micro bubble diffusions sneak into pending liquid, make this bubble flow directly flow back in the air supporting separation treatment tank. Air and the liquid to be treated are sucked into a gas-liquid mixing pump, and the air and the liquid to be treated are stirred and mixed, instead of generating a bubble flow in which a plurality of fine bubbles are diffused and mixed into the liquid to be treated, and flow back into the air flotation separation treatment tank through the porous body spray head. The method specifically comprises the following steps: a device for separating floating solid and turbid substances comprises an air flotation separation treatment tank, a drain pipe, an overflow device, a circulating tank, a water taking pipe, a circulating pump, a scraping device, a floating solid and turbid substance recovery tank, a branch pipe, a filter, a liquid flow control valve, a gas-liquid mixing pump, a pressure control valve, an air pipe and a gas flow control valve.
Preferably: the porous body may be disposed at a connection portion of the air tube and the branch tube.
The water discharge pipe extends from the bottom of the air flotation separation treatment tank to the position right above the circulation tank through the overflow device, and the water intake pipe extends from the position right below the liquid level of the circulation tank to the position approximately in the center of the air flotation separation treatment tank in the height direction through the water intake pump.
The scraping device is arranged right above the air floatation separation treatment tank. A floating solid and turbid substance recovery tank is disposed on the side of the air flotation separation treatment tank, a branch pipe extending from the middle of the drain pipe passes through a filter, a liquid flow control valve, a gas-liquid mixing pump and a pressure control valve and then is divided into two flows to be returned to the air flotation separation treatment tank, the inlet of the return flow is positioned at the approximate center of the air flotation separation treatment tank in the height direction, an air pipe is connected to the branch pipe and between the liquid flow control valve and the gas-liquid mixing pump, a gas flow control valve is disposed on the air pipe at a position before the branch pipe is connected, and the upstream end of the air pipe is connected to an air supply source.
The liquid to be treated in the circulating tank flows into the air floatation separation treatment tank through the water taking pipe and the water taking pump, and the supernatant of the liquid to be treated flowing out of the air floatation separation treatment tank through the water discharging pipe and the overflow device flows back to the circulating tank.
Part of the liquid to be treated flowing out of the air flotation separation treatment tank flows into the branch pipe from the drain pipe, is filtered by the filter, is supplied with air through the air pipe, and is stirred and mixed with the air in the gas-liquid mixing pump.
The opening degree of the liquid flow control valve and the gas flow control valve can be adjusted to adjust the air content of the bubble flow, and the opening degree of the pressure control valve can be adjusted to adjust the discharge pressure of the gas-liquid mixing pump.
The floating solid and dirty substances floating in the liquid to be treated are attached to the bubble flow returning to the air floatation separation treatment tank and then float under the action of the micro bubbles, and the scraping device scrapes the floating solid and dirty substances floating on the liquid surface of the air floatation separation treatment tank and discharges the floating solid and dirty substances to the floating solid and dirty substance recovery tank.
Through the continuous circulation of the liquid to be treated, the air bubble flow is sprayed out and the floating solid and turbid substance floats upwards, so that the concentration of the floating solid and turbid substance in the liquid to be treated is reduced.
In the suspended solid and turbid substance separation apparatus of the present embodiment, the air lumps sucked into the liquid to be treated are broken by the impeller of the gas-liquid mixing pump, and therefore, the bubble flow is easily formed.
As the gas-liquid mixing pump, not a cascade pump having a special structure and high cost but a general pump having an impeller, that is, a centrifugal pump or a propeller pump is used, whereby the equipment cost can be reduced and the centrifugal pump or the propeller pump is convenient for maintenance and repair.
By directly ejecting the bubble flow into the liquid to be treated, most of the floating solid contaminants in the liquid to be treated can be attached to the fine bubbles and float if the air supply amount is adjusted to a proper level.
The porous body may be disposed at a connection portion of the air tube and the branch tube.
The mist of the floating solid contaminants floating in the liquid to be treated is attached to the fine bubbles contained in the flow of the bubbles of the liquid to be treated flowing into the lower portion of the center portion of the air flotation separation treatment tank and floats up, and the concentration of the mist of the floating solid contaminants in the liquid to be treated is reduced. The number of parts of the floating solid and turbid substance separating device is reduced by using the water intake pipe and the water intake pump as a part of the bubble flow discharging device, and the manufacturing cost of the device is reduced.
Has the advantages that:
the utility model discloses an effect is because the effect of the surperficial sieve mesh of leaf cover makes water and air obtain more abundant mixture, makes the bubble receive high shear once more, has increased the quantity of small bubble, has improved the garrulous fine bubble's of air supporting ability greatly, reaches solid, liquid separation, has improved the water treatment effect.
Drawings
Fig. 1 shows a schematic view of a device for separating floating solid and turbid materials applied to the present invention.
1 air supporting separation treatment tank, 2 drain pipes, 3 overflow devices, 4 circulation tanks, 5 water intake pipes, 6 circulation pumps, 7 scraping devices, 8 floating solid and turbid substance recovery tanks, 9 branch pipes, 10 filters, 11 liquid flow control valves, 12 gas-liquid mixing pumps, 13 pressure control valves, 14 air pipes and 15 gas flow control valves.
Detailed Description
The following will combine the utility model discloses try on your general drawing, to the technical scheme in the utility model go into and out, describe completely, obviously, the embodiment that describes is only a partial embodiment of the utility model, rather than whole embodiment, based on the embodiment in the utility model, all other embodiments that the technical staff in the field obtained under the prerequisite that does not make creative work all belong to the protection scope of the utility model.
FIG. 1 shows an apparatus for removing suspended solid and turbid materials from a liquid according to the present invention.
The apparatus for removing suspended solid and turbid substances in a liquid comprises an air flotation separation treatment tank 1, and a drain pipe 2 extends from the bottom of the air flotation separation treatment tank 1 to a position directly above a circulation tank 4 through an overflow device 3. The water intake pipe 5 extends from just below the liquid surface of the circulation tank 4 to a substantially central portion in the height direction of the air flotation separation treatment tank 1 via the water intake pump 6.
The scraping device 7 is disposed right above the air flotation separation treatment tank 1. A floating solid and turbid substance collecting tank 8 is disposed on the side of the air flotation separation treatment tank 1, a branch pipe 9 extending from the middle of the water discharge pipe 2 passes through a filter 10, a liquid flow rate control valve 11, a gas-liquid mixing pump 12 and a pressure control valve 13, and is divided into two flows to be returned to the air flotation separation treatment tank 1, the return inlet is located at the substantially central portion in the height direction of the air flotation separation treatment tank, an air pipe 14 is connected to the branch pipe 9 between the liquid flow rate control valve 11 and the gas-liquid mixing pump 12, a gas flow rate control valve 15 is provided on the air pipe 14 at a position before the branch pipe 9 is connected thereto, and the upstream end of the air pipe 14 is connected to an air supply source.
The liquid to be treated in the circulation tank 4 flows into the air flotation separation treatment tank 1 through the water intake pipe 5 and the water intake pump 6, and the supernatant of the liquid to be treated flowing out of the air flotation separation treatment tank 1 through the water discharge pipe 2 and the overflow device 3 flows back to the circulation tank 4.
A part of the liquid to be treated which has flowed out of the air flotation separation treatment tank 1 flows into the branch pipe 9 from the water discharge pipe 2, is filtered by the filter 10, and the filtered liquid to be treated is supplied with air through the air pipe 14 and is stirred and mixed with air in the air-liquid mixing pump 12.
The opening degrees of the liquid flow control valve 11 and the gas flow control valve 15 are adjusted to adjust the air content of the bubble flow, and the opening degree of the pressure control valve 13 is adjusted to adjust the discharge pressure of the gas-liquid mixing pump 12.
The floating solid and dirty substances floating in the liquid to be treated are attached to the flow of air bubbles flowing back to the air flotation separation treatment tank 1 and then float up under the action of the fine air bubbles, and the scraping device 7 scrapes the floating solid and dirty substances floating up on the liquid surface of the air flotation separation treatment tank 1 and discharges the substances to the floating solid and dirty substance recovery tank 8.
Through the continuous circulation of the liquid to be treated, the air bubble flow is sprayed out and the floating solid and turbid substance floats upwards, so that the concentration of the floating solid and turbid substance in the liquid to be treated is reduced.
In the suspended solid and turbid substance separating apparatus of the present embodiment, the air lumps sucked into the liquid to be treated are broken by the impeller of the gas-liquid mixing pump 12, and therefore, the bubble flow is easily formed.
As the gas-liquid mixing pump 12, not a cascade pump having a special structure and high cost but a general pump having an impeller, that is, a centrifugal pump or a propeller pump is used, whereby the equipment cost can be reduced and the centrifugal pump or the propeller pump is convenient for maintenance and repair.
By directly ejecting the bubble flow into the liquid to be treated, most of the floating solid contaminants in the liquid to be treated can be attached to the fine bubbles and float if the air supply amount is adjusted to a proper level.
The porous body may be disposed at a connection portion of the air pipe 14 with the branch pipe 9.
The mist of the suspended solid contaminants floating in the liquid to be treated adheres to and floats up on fine air bubbles contained in the flow of air bubbles of the liquid to be treated flowing into the lower portion of the center portion of the air flotation separation treatment tank 1, and the concentration of the mist of the suspended solid contaminants in the liquid to be treated is reduced. The water intake pipe 5 and the water intake pump 6 are used as a part of the bubble flow discharging device, thereby reducing the number of parts of the floating solid and turbid substance separating device and reducing the manufacturing cost of the device.
The utility model discloses a method for separating floating solid and turbid substance in liquid can be applicable to the treatment of the drainage containing floating solid and turbid substance from various industrial equipment exhaust, and then can be applicable to the purification of industrial drainage, various sewage such as offal.
Various modifications and changes may be made by those skilled in the art to the present invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. The utility model provides a floating solid dirty material separator, its includes air supporting separation treatment tank, drain pipe, overflow arrangement, circulating tank, intake pipe, circulating pump, scrapes gets the device, floating solid dirty material accumulator, bleeder, filter, liquid flow control valve, gas-liquid mixing pump, pressure control valve, air hose, gas flow control valve, its characterized in that: a water discharge pipe extending from the bottom of the air flotation separation treatment tank to the position right above the circulation tank through an overflow device, a water intake pipe extending from the position right below the liquid level of the circulation tank to the position approximately in the center in the height direction of the air flotation separation treatment tank through a water intake pump, a scraping device arranged right above the air flotation separation treatment tank, a floating solid and turbid material recovery tank arranged on the side of the air flotation separation treatment tank, a branch pipe extending from the middle of the water discharge pipe and passing through a filter, a liquid flow control valve, a gas-liquid mixing pump and a pressure control valve, then divided into two flows and returned to the air flotation separation treatment tank, wherein the inlet of the return flow is positioned at the position approximately in the center in the height direction of the air flotation separation treatment tank, an air pipe is connected to the branch pipe and positioned between the liquid flow control valve and the gas-liquid mixing pump, a gas flow control valve is arranged on the, the liquid to be treated in the circulation tank flows into the air flotation separation treatment tank through the water taking pipe and the water taking pump, the supernatant of the liquid to be treated flowing out of the air flotation separation treatment tank through the drain pipe and the overflow device flows back to the circulation tank, part of the liquid to be treated flowing out of the air flotation separation treatment tank flows into the branch pipe from the drain pipe, is filtered by the filter, is supplied with air through the air pipe, and is stirred and mixed with the air in the gas-liquid mixing pump.
2. The suspended solid/turbid substance separation apparatus according to claim 1, wherein the discharge pressure of the gas-liquid mixing pump can be adjusted by adjusting the opening degree of the liquid flow control valve and the gas flow control valve to adjust the air content of the bubble flow and adjusting the opening degree of the pressure control valve.
3. The apparatus for separating suspended solid and turbid materials according to claim 1, wherein the suspended solid and turbid materials floating in the liquid to be treated are attached to a flow of air bubbles flowing back to the air flotation separation treatment tank and further float up by the action of fine air bubbles, and the scraping means scrapes off the suspended solid and turbid materials floating up on the liquid surface of the air flotation separation treatment tank and discharges the same to the suspended solid and turbid materials collection tank.
4. The apparatus for separating suspended solid and turbid materials according to claim 1, wherein a porous body is disposed at a connection portion between the air pipe and the branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340125.6U CN212799892U (en) | 2020-07-09 | 2020-07-09 | Separating device for suspended solid and turbid substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340125.6U CN212799892U (en) | 2020-07-09 | 2020-07-09 | Separating device for suspended solid and turbid substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212799892U true CN212799892U (en) | 2021-03-26 |
Family
ID=75100294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021340125.6U Expired - Fee Related CN212799892U (en) | 2020-07-09 | 2020-07-09 | Separating device for suspended solid and turbid substances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212799892U (en) |
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2020
- 2020-07-09 CN CN202021340125.6U patent/CN212799892U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |