CN202705092U - Deice for removing floating oil and desilting sand in waste water on basis of electric conductivities of floating oil and water - Google Patents
Deice for removing floating oil and desilting sand in waste water on basis of electric conductivities of floating oil and water Download PDFInfo
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- CN202705092U CN202705092U CN 201220381935 CN201220381935U CN202705092U CN 202705092 U CN202705092 U CN 202705092U CN 201220381935 CN201220381935 CN 201220381935 CN 201220381935 U CN201220381935 U CN 201220381935U CN 202705092 U CN202705092 U CN 202705092U
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- oil slick
- water
- electromagnetic valve
- pipe
- liquidometer
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Abstract
The utility model belongs to the technical field of a waste water purification device and provides a deice for removing floating oil and desilting sand in waste water on the basis of electric conductivities of the floating oil and the water, wherein a first electromagnetic valve is arranged at the upper part of a water pumping pipe, the water pumping pipe is communicated with a floating-oil-free water pool, the top of the floating-oil-free water pool is provided with a first liquid level meter, the first electromagnetic valve and the first liquid level meter are respectively connected with a center controller, the center controller is connected with a second electromagnetic valve, one end of a water discharge pipe is communicated with the floating-oil-free water pool, a water collecting pipe is arranged on the other end of the water discharge pipe, the water collecting pipe is arranged at the lower part of a floating oil and desilting sand pool, a second liquid level meter is arranged at the upper part of a floating oil region, an electric conductivity instrument is arranged in the floating oil region, one end of a floating oil discharge pipe is communicated with the floating oil and desilting sand pool, and the other end of the floating oil discharge pipe is communicated with a floating oil receiving pool. The device has the advantages that the production and use cost is reduced, and the purification and separation efficiency of floating-oil-containing waste water is effectively improved.
Description
Technical field
The utility model belongs to the waste water purification device technical field, relates in particular to a kind of device based on oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water.
Background technology
Oil slick class material enters to form in the water by different approaches and contains oil slick waste water.Because it has a large capacity and a wide range, and the characteristics that are difficult to process make it become a kind of serious waste water that endangers, and its source mainly contains: the stone oil slick exploitation in the industry of stone oil slick and processing, refinement, storage and the transportation of oil slick product; Carwash in the transportation industry, railway locomotive depot wash the dischargings such as oil slick tank contain oil slick waste water, the steel rolling water that produces in the machinofacture course of processing, lubricated oil slick liquid etc. also contain a large amount of oil slick class materials in catering trade, textile industry, food-processing industry and other the manufacturing waste water in addition take the emulsification oil slick as main waste water.
The existence form of oil slick class material in water can be divided into oil slick, dispersion oil slick, emulsification oil slick and dissolving oil slick 4 large classes, and the floating oil bead diameter of oil slick is larger, is easy to emerge greater than 100 μ m, forms oil slick film and oil slick layer; Disperse the floating oil bead diameter of oil slick to be generally 10～100 μ m, in water, unstable with small particle suspension, tend to form oil slick after leaving standstill for some time; The emulsification oil slick forms owing to containing tensio-active agent in the water, and it is minimum that oil slick drips particle diameter, is generally less than 10 μ m; The dissolving oil slick is a kind ofly to be dissolved in oil slick in the water with chemical mode, and its particle diameter can reach several nanometers.
At present, contain the oil slick in the oil slick waste water, the processing mode of disperseing oil slick and emulsification oil slick (accounting for whole more than 90% of oil slick amount that contains), all be to manage to make the oil slick of different states to bubble through the water column, then adopt and scrape the oil slick device, cast aside the oil slick device, inhale the oil slick device with these oil slick class materials and moisture from.
Prior art provides go the oil slick device to exist when removing oil slick can not strict differences oil slick water, particularly containing in the less situation of oil slick amount, easily oil slick, water are come along and remove, namely in the process of removing oil slick, sweep along simultaneously a large amount of moisture, make isolated oil slick contain a large amount of moisture; Device is comparatively complicated, is not easy to be installed on underground, and price is high; The maintenance trouble; The problem of inconvenience automatization.
The utility model content
The utility model provides a kind of device based on oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water, be intended to solve prior art provides go the oil slick device to exist when removing oil slick can not strict differences oil slick water, particularly containing in the less situation of oil slick amount, easily oil slick, water are come along and remove, namely in the process of removing oil slick, sweep along simultaneously a large amount of moisture, make isolated oil slick contain a large amount of moisture; Device is comparatively complicated, is not easy to be installed on underground, and price is high; The maintenance trouble; The problem of inconvenience automatization.
The purpose of this utility model is to provide a kind of device based on oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water, and this device comprises: the first electromagnetic valve, drinking-water pipe, without the oil slick pond, the first liquidometer, central control unit, the second electromagnetic valve, water shoot, header, the oil slick settling pit, the second liquidometer, the oil slick district, conductivitimeter, the sloping plate deposition district, the 3rd electromagnetic valve, water inlet pipe, the sewage water distributor, shore pipe, the sand setting district, the 4th electromagnetic valve, row's oil slick pipe, the oil slick reception tank, the 5th electromagnetic valve, take out the oil slick pipe, the 3rd liquidometer;
Described the first electromagnetic valve is installed in the top of described drinking-water pipe, being connected without the oil slick pond with described of described drinking-water pipe, described top without the oil slick pond is equipped with described the first liquidometer, and described the first electromagnetic valve and the first liquidometer are connected with described central control unit respectively;
Described central control unit is connected with described the second electromagnetic valve, described the second electromagnetic valve is installed on the described water shoot, one end of described water shoot is connected without the oil slick pond with described, described header is installed on the other end of described water shoot, and described header is installed in the bottom of described oil slick settling pit;
Described the second liquidometer is arranged on the top in described oil slick district, described conductivitimeter is arranged in the described oil slick district, described oil slick district is arranged on the top of described oil slick settling pit, described sloping plate deposition district is arranged on the middle part of described oil slick settling pit, described the 3rd electromagnetic valve is installed in the top of described water inlet pipe, the bottom of described water inlet pipe is equipped with described sewage water distributor, described sewage water distributor and shore pipe are arranged on the middle and lower part in described sand setting district, described sand setting district is arranged on the bottom of described oil slick settling pit, described the second liquidometer, conductivitimeter and the 3rd electromagnetic valve are connected with described central control unit respectively;
Described the 4th electromagnetic valve is installed on described row's oil slick pipe, one end of described row's oil slick pipe is connected with described oil slick settling pit, the other end of described row's oil slick pipe is connected with described oil slick reception tank, and described the 4th electromagnetic valve is connected with described central control unit;
Described the 5th electromagnetic valve is installed in described top of taking out the oil slick pipe, described bottom of taking out the oil slick pipe is connected with the bottom of described oil slick reception tank, the top of described oil slick reception tank is equipped with described the 3rd liquidometer, and described the 5th electromagnetic valve and the 3rd liquidometer are connected with described central control unit respectively.
Further, described bottom without oil slick pond and oil slick settling pit is respectively arranged with aeration head.
Further, the top in sloping plate deposition district is provided with the transverse jet device in the described oil slick settling pit.
Further, described the first liquidometer, the second liquid level are taken into account the 3rd liquidometer and are all adopted ultrasonic level gage.
The device based on oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water that the utility model provides, the principle of utilizing oil slick and electrical conductivity of water to differ greatly, detect in real time and be positioned at the specific conductivity that contains oil slick waste water upper liquid, according to being positioned at specific conductivity and the specific conductivity cut off value result relatively who contains oil slick waste water upper liquid, take appropriate measures and separate water outlet and oil slick, even contain in the less situation of oil slick amount at waste water, also oil slick can be separated with water; Adopt the variation of ultrasonic level gage Real-Time Monitoring waste water liquid level, a plurality of electromagnetic valves carry out automatic shutter under the control of central control unit, level of automation is higher, simple in structure, be convenient to on-the-spot the installation, practical, it is comparatively convenient to maintain, reduced production and use cost, effectively improved the purification and the separation efficiency that contain oil slick waste water, had stronger propagation and employment and be worth.
Description of drawings
Fig. 1 is the structural representation based on the device of oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water that the utility model embodiment provides;
Fig. 2 is the electric control structure block diagram based on the device of oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water that the utility model embodiment provides.
Among the figure: 1, without the oil slick pond; 2, aeration head; 3, header; 4, oil slick settling pit; 5, sloping plate deposition district; 6, sand setting district; 7, shore pipe; 8, sewage water distributor; 9, oil slick reception tank; 10, drinking-water pipe; 11, the first electromagnetic valve; 12, water shoot; 13, the first liquidometer; 14, the second electromagnetic valve; 15, transverse jet device; 16, oil slick district; 17, conductivitimeter; 18, the second liquidometer; 19, water inlet pipe; 20, the 3rd electromagnetic valve; 21, row's oil slick pipe; 22, the 4th electromagnetic valve; 23, the 3rd liquidometer; 24, take out the oil slick pipe; 25, the 5th electromagnetic valve; 26, central control unit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further described in detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in the restriction utility model.
Fig. 1 and Fig. 2 show the structure based on the device of oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water that the utility model embodiment provides.For convenience of explanation, only show the part relevant with the utility model.
This device comprises: the first electromagnetic valve 11, drinking-water pipe 10, without oil slick pond 1, the first liquidometer 13, central control unit 26, the second electromagnetic valve 14, water shoot 12, header 3, oil slick settling pit 4, the second liquidometer 18, oil slick district 16, conductivitimeter 17, sloping plate deposition district 5, the 3rd electromagnetic valve 20, water inlet pipe 19, sewage water distributor 8, shore pipe 7, sand setting district 6, the 4th electromagnetic valve 22, row's oil slick pipe 2l, oil slick reception tank 9, the 5th electromagnetic valve 25, take out oil slick pipe 24, the 3rd liquidometer 23;
The first electromagnetic valve 11 is installed in the top of drinking-water pipe 10, drinking-water pipe 10 be connected without oil slick pond 1, the first liquidometer 13, the first electromagnetic valves 11 are installed and the first liquidometer 13 is connected with central control unit 26 respectively without the top in oil slick pond 1;
Central control unit 26 is connected with the second electromagnetic valve 14, the second electromagnetic valve 14 is installed on the water shoot 12, one end of water shoot 12 be connected without oil slick pond 1, header 3 is installed on the other end of water shoot 12, header 3 is installed in the bottom of oil slick settling pit 4;
The second liquidometer 18 is arranged on the top in oil slick district 16, conductivitimeter 17 is arranged in the oil slick district 16, oil slick district 16 is arranged on the top of oil slick settling pit 4, sloping plate deposition district 5 is arranged on the middle part of oil slick settling pit 4, the 3rd electromagnetic valve 20 is installed in the top of water inlet pipe 19, the bottom of water inlet pipe 19 is equipped with sewage water distributor 8, sewage water distributor 8 and shore pipe 7 are arranged on the middle and lower part in sand setting district 6, sand setting district 6 is arranged on the bottom of oil slick settling pit 4, and the second liquidometer 18, conductivitimeter 17 and the 3rd electromagnetic valve 20 are connected with central control unit 26 respectively;
On the 4th electromagnetic valve 22 row's of being installed in oil slick pipes 21, an end of row's oil slick pipe 21 is connected with oil slick settling pit 4, and the other end of row's oil slick pipe 21 is connected with oil slick reception tank 9, and the 4th electromagnetic valve 22 is connected with central control unit 26;
The 5th electromagnetic valve 25 is installed in the top of taking out oil slick pipe 24, the bottom of taking out oil slick pipe 24 is connected with the bottom of oil slick reception tank 9, the top of oil slick reception tank 9 is equipped with the 3rd liquidometer 23, the five electromagnetic valves 25 and the 3rd liquidometer 23 is connected with central control unit 26 respectively.
In the utility model embodiment, be respectively arranged with aeration head 2 without oil slick pond 1 and oil slick settling pit 4 bottoms.
In the utility model embodiment, the top in sloping plate deposition district 5 is provided with transverse jet device 15 in the oil slick settling pit 4.
In the utility model embodiment, the first liquidometer 13, the second liquidometer 18 and the 3rd liquidometer 23 all adopt ultrasonic level gage.
Below in conjunction with drawings and the specific embodiments application principle of the present utility model is further described.
The utility model is based on the larger principle of oil slick electrical conductivity of water difference, and the specific conductivity when lightweight oil slick safety is static is 5 * 10
-7μ s/cm, the oil slick in the waste water is because containing certain moisture, and its actual value will be a bit larger tham this value.The desalination electrical conductivity of water is generally 1.0-10.0 μ s/cm, de-salted water refers to that salt in the water removes or be reduced to water to a certain degree, and usually contain certain salinity in the waste water, therefore its value also wants large, so oil slick and electrical conductivity of water differ greatly, by automatic control oil slick is separated with waste water automatically with sand, establish field measurement and to the specific conductivity of pending oil slick be: y.
As shown in Figure 1, before the work beginning, start and be used for the 3rd electromagnetic valve 2O that control sewage enters, this moment, other electromagnetic valve all was in closing condition, the pending oil slick, sand sewage of containing enters or squeezes into water inlet pipe 19 with pump from the ground gravity flow, deliver to sewage water distributor 8 through water inlet pipe 19, sewage water distributor 8 vertically sewage being distributed uniformly of sand setting district 6 middle and lower part one sides in oil slick settling pit 4;
When the second liquidometer 18 indication liquid levels arrive the highest liquid level (dotted line position on 16 tops, oil slick district among Fig. 1) of setting, and during the conductivity value of conductivitimeter 17 indication＞y, central control unit 26 controls the second electromagnetic valve 14 is opened, closing simultaneously the 3rd electromagnetic valve 20 sewage enters and stops, flow into voluntarily without oil slick pond 1 by water shoot 12 through the sewage behind the oil slick sand setting, when the liquid level of the second liquidometer 18 indication oil slick settling pits 4 is consistent with the top in sloping plate deposition district 5, close the second electromagnetic valve 14, open simultaneously the 3rd electromagnetic valve 20, sewage continues to flow into oil slick settling pit 4;
When the second liquidometer indication liquid level arrives the highest liquid level (dotted line position among Fig. 1 above the oil slick district 16) of setting, and during the conductivity value of conductivitimeter 17 indication≤y, central control unit 26 indications the 4th electromagnetic valve 22 is opened, closing simultaneously the 3rd electromagnetic valve 20 sewage stops to enter, oil slick enters oil slick reception tank 9 through 21 gravity flows of row's oil slick pipe, when the liquid level of the second liquidometer 18 indication oil slick settling pits 4 is consistent with the top of arranging oil slick pipe 21, close the 4th electromagnetic valve 22, open simultaneously the 3rd electromagnetic valve 20, sewage continues to enter oil slick settling pit 4;
When the first liquidometer 13 indication during without the position consistency of the following 100mm in top in the sloping plate deposition district 5 of the water level in oil slick pond 1 and oil slick settling pit 4, the first electromagnetic valve 11 is opened in central control unit 26 indications, except the sewage behind the oil slick sand setting pumps into lower road sewage disposal operation through drinking-water pipe 10; When the first liquidometer 13 indication during without position at above 50mm at the bottom of the pond of the water level in oil slick pond 1, the first electromagnetic valve 11 is closed in central control unit 26 indications;
When the liquid level of the 3rd liquidometer 23 indication oil slick reception tanks 9 arrived the position of the 16 bottom 100mm apart from the oil slick district, the 5th electromagnetic valve 25 was opened in central control unit 26 indications, and oil slick pumps into useless floating oil collecting bucket outward transport through taking out oil slick pipe 24; When position at above 50mm at the bottom of the pond of the liquid level of the 3rd liquidometer 23 indication oil slick reception tanks 9, the 5th electromagnetic valve 25 is closed in central control unit 26 indications.
For anti-water-stop body fouls, be respectively arranged with small underwater aeration head 2 without oil slick pond 1 and oil slick settling pit 4, summer every three days, central control unit 26 indications are carried out aeration 5～10min without the aeration head 2 in oil slick pond 1 and the oil slick settling pit 4.
Should be as follows based on the principle of work of the device of oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water:
Set specific conductivity cut off value A, and the size of specific conductivity cut off value A is between the conductivity value and electrical conductivity of water value of oil slick;
Adopt the sand setting in the method removal waste water that precipitates;
In real time detection is positioned at the specific conductivity B that contains oil slick waste water upper liquid, and compares with specific conductivity cut off value A;
According to being positioned at specific conductivity B and the specific conductivity cut off value A result relatively who contains oil slick waste water upper liquid, take appropriate measures and separate water outlet and oil slick.
According to being positioned at specific conductivity B and the specific conductivity cut off value A result relatively who contains oil slick waste water upper liquid, the implementation method of separating water outlet and oil slick that takes appropriate measures is:
Reach the highest liquid level of setting when the liquid level that detects oil slick settling pit 4, be positioned at simultaneously the specific conductivity B during greater than specific conductivity cut off value A that contains oil slick waste water upper liquid, can judge that then being positioned at the oil slick layer that contains oil slick waste water top does not also reach setting thickness, this moment the partially liq at oil slick settling pit 4 middle parts be discharged certain volume and can reach the purpose of from contain oil slick waste water, separating water outlet;
Reach the highest liquid level of setting when the liquid level that detects oil slick settling pit 4, when being positioned at simultaneously the specific conductivity B that contains oil slick waste water upper liquid and being less than or equal to specific conductivity cut off value A, can judge that then being positioned at the liquid that contains oil slick waste water top is oil slick, and this oil slick layer has reached setting thickness, this partially liq is discharged can reach the purpose of isolating oil slick from contain oil slick waste water.
The ultrasonic level gage Real-Time Monitoring is positioned at the liquid level that contains oil slick waste water upper liquid, and conductivitimeter 17 Real-Time Monitorings are positioned at the specific conductivity that contains oil slick waste water upper liquid.
In addition, in order to increase the collision between the liquid particle, at the middle part except the oil slick settling pit some groups of transverse jet devices 15 facing each other have been installed especially, transverse jet device 15 is at horizontal jet in opposite directions in twos, the waste water at oil slick settling pit 4 middle parts is flowed relatively (comprising that also other is difficult to the simple complex flow of describing), increased the collision between the liquid particle, thereby make most of oil slick grain that disperses oil slick and the more short grained emulsification oil slick of part to be combined into larger particles, and naturally float to the top of liquid level, thereby improve except oil slick efficient about 3%, the more important thing is that this part oil slick of removing are to disperse oil slick and emulsification oil slick more, usually they are difficult to remove, when entering next procedure, can bring a very large difficult problem to following operation, no matter because be to disperse oil slick or the emulsification oil slick all is the hard degradation organism, they all are difficult to biological degradation.
The device based on oil slick and sand setting in oil slick and the electrical conductivity of water removal waste water that the utility model embodiment provides, the principle of utilizing oil slick and electrical conductivity of water to differ greatly, detect in real time and be positioned at the specific conductivity B that contains oil slick waste water upper liquid, according to being positioned at specific conductivity B and the specific conductivity cut off value A result relatively who contains oil slick waste water upper liquid, take appropriate measures and separate water outlet and oil slick, even contain in the less situation of oil slick amount at waste water, also oil slick can be separated with water; Adopt the variation of ultrasonic level gage Real-Time Monitoring waste water liquid level, a plurality of electromagnetic valves are automatic shutter under the control of central control unit 26, level of automation is higher, simple in structure, be convenient to on-the-spot the installation, practical, it is comparatively convenient to maintain, reduced production and use cost, effectively improved the purification and the separation efficiency that contain oil slick waste water, had stronger propagation and employment and be worth.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. device of removing oil slick and sand setting in the waste water based on oil slick and electrical conductivity of water, it is characterized in that this device comprises: the first electromagnetic valve, drinking-water pipe, without oil slick pond, the first liquidometer, central control unit, the second electromagnetic valve, water shoot, header, oil slick settling pit, the second liquidometer, oil slick district, conductivitimeter, sloping plate deposition district, the 3rd electromagnetic valve, water inlet pipe, sewage water distributor, shore pipe, sand setting district, the 4th electromagnetic valve, row's oil slick pipe, oil slick reception tank, the 5th electromagnetic valve, take out oil slick pipe, the 3rd liquidometer;
Described the first electromagnetic valve is installed in the top of described drinking-water pipe, being connected without the oil slick pond with described of described drinking-water pipe, described top without the oil slick pond is equipped with described the first liquidometer, and described the first electromagnetic valve and the first liquidometer are connected with described central control unit respectively;
Described central control unit is connected with described the second electromagnetic valve, described the second electromagnetic valve is installed on the described water shoot, one end of described water shoot is connected without the oil slick pond with described, described header is installed on the other end of described water shoot, and described header is installed in the bottom of described oil slick settling pit;
Described the second liquidometer is arranged on the top in described oil slick district, described conductivitimeter is arranged in the described oil slick district, described oil slick district is arranged on the top of described oil slick settling pit, described sloping plate deposition district is arranged on the middle part of described oil slick settling pit, described the 3rd electromagnetic valve is installed in the top of described water inlet pipe, the bottom of described water inlet pipe is equipped with described sewage water distributor, described sewage water distributor and shore pipe are arranged on the middle and lower part in described sand setting district, described sand setting district is arranged on the bottom of described oil slick settling pit, described the second liquidometer, conductivitimeter and the 3rd electromagnetic valve are connected with described central control unit respectively;
Described the 4th electromagnetic valve is installed on described row's oil slick pipe, one end of described row's oil slick pipe is connected with described oil slick settling pit, the other end of described row's oil slick pipe is connected with described oil slick reception tank, and described the 4th electromagnetic valve is connected with described central control unit;
Described the 5th electromagnetic valve is installed in described top of taking out the oil slick pipe, described bottom of taking out the oil slick pipe is connected with the bottom of described oil slick reception tank, the top of described oil slick reception tank is equipped with described the 3rd liquidometer, and described the 5th electromagnetic valve and the 3rd liquidometer are connected with described central control unit respectively.
2. device as claimed in claim 1 is characterized in that, described bottom without oil slick pond and oil slick settling pit is respectively arranged with aeration head.
3. device as claimed in claim 1 is characterized in that, the top in sloping plate deposition district is provided with the transverse jet device in the described oil slick settling pit.
4. device as claimed in claim 1 is characterized in that, described the first liquidometer, the second liquid level are taken into account the 3rd liquidometer and all adopted ultrasonic level gage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381935 CN202705092U (en) | 2012-08-03 | 2012-08-03 | Deice for removing floating oil and desilting sand in waste water on basis of electric conductivities of floating oil and water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381935 CN202705092U (en) | 2012-08-03 | 2012-08-03 | Deice for removing floating oil and desilting sand in waste water on basis of electric conductivities of floating oil and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705092U true CN202705092U (en) | 2013-01-30 |
Family
ID=47585415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220381935 Expired - Fee Related CN202705092U (en) | 2012-08-03 | 2012-08-03 | Deice for removing floating oil and desilting sand in waste water on basis of electric conductivities of floating oil and water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705092U (en) |
-
2012
- 2012-08-03 CN CN 201220381935 patent/CN202705092U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140803 |
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| EXPY | Termination of patent right or utility model |