CN203904092U - Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor - Google Patents
Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor Download PDFInfo
- Publication number
- CN203904092U CN203904092U CN201420286725.7U CN201420286725U CN203904092U CN 203904092 U CN203904092 U CN 203904092U CN 201420286725 U CN201420286725 U CN 201420286725U CN 203904092 U CN203904092 U CN 203904092U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil slick
- sand setting
- pressure sensor
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor. By virtue of the synergistic effect of two wireless pressure sensors, oil spill and grit in oily wastewater are automatically removed, wherein the two wireless pressure sensors are a second pressure sensor and a third wireless pressure sensor which are respectively arranged above an inclined plate sedimentation zone of an oil spill oil grit tank and at the lower end of the oil spill zone; by virtue of the synergistic effect of the pressure sensors, whether the thickness of the oil spill layer is less than or equal to that of the oil spill zone or is greater then that of the oil spill zone is indirectly determined; and when the thickness of the oil spill layer is determined to be greater then that of the oil spill zone, the oil spill layer located at the upper part of the oil spill oil grit tank and floating on the water can be automatically removed. The device disclosed by the utility model has the advantages of simple structure and convenience in operation, the automation of removal of oil spill and grit in oily wastewater is achieved and the problems that cumbersome wiring of a project, unreliability due to line failures and relatively high wiring cost in the existing oil removal device are solved.
Description
Technical field
The utility model belongs to oily(waste)water processing technology field, relates in particular to a kind ofly to remove oil slick in oily(waste)water and the device of sand setting based on wireless pressure sensor.
Background technology
Oily substance is entered and in water, is formed oily(waste)water by different approaches.Because it has a large capacity and a wide range, and the feature that is difficult to process becomes a kind of serious waste water that endangers.Its source mainly contains: the oil production in petroleum industry and the processing of oil product, refinement, storage and transport; Carwash in transport industry, the oily(waste)water of the discharge such as the oil-washing tank of railway locomotive depot; The steel rolling water producing in the machinofacture course of processing, lubricating oils etc. are taking oil in water emulsion as main waste water; In catering trade, textile industry, food-processing industry and other manufacturing waste water, also contain a large amount of oily substances in addition.
The existence form of oily substance in water can be divided into oil slick, dispersed oil, oil in water emulsion and the large class of dissolving oil 4.The oil bead diameter of oil slick is larger, is greater than 100 μ m and is easy to emerge, and forms oil film and oil reservoir.The oil bead diameter of dispersed oil is generally 10～100 μ m and is suspended in water with small particle, unstable, after standing for some time, tends to form oil slick.Oil in water emulsion forms owing to containing tensio-active agent in water, and oil droplet size is minimum, is generally less than 10 μ m.Dissolving oil is to be a kind ofly dissolved in the oil in water with chemical mode, and its particle diameter can reach several nanometers.
At present, the processing mode of oil slick, dispersed oil and oil in water emulsion (accounting for the more than 90% of whole oleaginousness) in oily(waste)water, be all to manage to make different states oil swims on water face, then adopt oil-scraping device, skimming plant, Oil sucking device that these oily substances are separated with water.But at least there are several in following several shortcoming in these cleaners:
1. removing when oil slick can not strict differences profit, particularly, in the situation that oleaginousness is less, easily oil, water is removed together, in the process of removing oil slick, sweeps along a large amount of moisture simultaneously, makes isolated oil contain a large amount of moisture, needs secondary treatment;
2. device is comparatively complicated, is not easy to be installed on underground, and price is high;
3. maintenance trouble;
4. inconvenient automatization.
But, the unreliability that existing device exists the loaded down with trivial details and line fault connecting up in engineering to cause, wiring cost is higher simultaneously.
Utility model content
The object of the utility model embodiment is to provide a kind of and removes oil slick in oily(waste)water and the device of sand setting based on wireless pressure sensor, be intended to solve the unreliability that existing cleaner exists the loaded down with trivial details and line fault connecting up in engineering to cause, simultaneously the higher problem of wiring cost.
The utility model embodiment realizes like this, oil slick based in wireless pressure sensor removal oily(waste)water and the device of sand setting, should remove oil slick in oily(waste)water and the device of sand setting comprises based on wireless pressure sensor: without oil tank, aeration head, header, oil slick sand setting case, sloping plate deposition district, sand setting district, shore pipe, sewage water distributor, oil slick reception tank, the first wireless pressure sensor, drinking-water pipe, the first magnetic valve, water shoot, the second magnetic valve, the second wireless pressure sensor, the 3rd wireless pressure sensor, transverse jet device, oil slick district, oil slick district upper end liquid level line, water inlet pipe, the 3rd magnetic valve, the 4th magnetic valve, oil exit pipe, oil pick-up tube, sealing cover, the 5th magnetic valve, under meter, the 4th wireless pressure sensor,
Aeration head is separately positioned on the top without the sand setting district of oil tank bottom and oil slick sand setting case, and respectively in mid-way on the upper side bottom oil tank bottom and oil slick sand setting case; The first wireless pressure sensor is arranged on the left side without oil tank bottom, and drinking-water pipe is arranged on without oil tank left side, and the first magnetic valve is arranged on drinking-water pipe;
Oil slick sand setting case is arranged on the right side without oil tank, the sloping plate deposition district of oil slick sand setting case is arranged on the mid-way of oil slick sand setting case, the sand setting district of oil slick sand setting case is arranged on the bottom of oil slick sand setting case, shore pipe is arranged on the mid-way in the sand setting district of oil slick sand setting case, header is arranged on the below in the left side, sloping plate deposition district of oil slick sand setting case, header connects the water shoot being arranged on without on the dividing plate in the middle of oil tank and oil slick sand setting case, the second magnetic valve is arranged on water shoot, the second wireless pressure sensor is arranged on the top in the left side, sloping plate deposition district of oil slick sand setting case, the 3rd wireless pressure sensor is arranged on the lower end in oil slick sand setting district, transverse jet device is on a left side, sloping plate deposition district for oil slick sand setting case, the top of right both sides arranges array in opposite directions, oil slick district is arranged on the top of the 3rd wireless pressure sensor, oil slick district upper end liquid level line is arranged on the top in oil slick district, water inlet pipe is arranged on the right side of oil slick sand setting case, the 3rd magnetic valve is arranged on the upper end of water inlet pipe, sewage water distributor connects water inlet pipe, oil exit pipe is arranged on the lower right in oil slick district, the 4th magnetic valve is arranged on oil exit pipe,
Oil slick reception tank is arranged on the right side of oil slick sand setting case, oil pick-up tube is arranged on the right side of oil slick reception tank, sealing cover is arranged on the top of oil slick reception tank, the 5th magnetic valve is arranged in oil pick-up tube, under meter is arranged on below the 5th magnetic valve, and the 4th wireless pressure sensor is arranged on the lower right of oil slick reception tank.
Further, should remove oil slick in oily(waste)water and the device working method of sand setting is based on wireless pressure sensor:
Bottom without oil tank is made as h to the height of the bottom of water shoot
1, the height between the second wireless pressure sensor and the 3rd wireless pressure sensor is made as h
2, the 3rd wireless pressure sensor is made as h to the height of oil slick district upper end liquid level line
3, the thickness in oil slick district is h
3, the bottom of oil slick reception tank is made as h to the height of the bottom 100mm of oil exit pipe
4, first wireless pressure sensor that is in operation, the second wireless pressure sensor, the 3rd wireless pressure sensor, the shown pressure of the 4th wireless pressure sensor are made as respectively p
1, p
2, p
3, p
4, the density of waste water is made as ρ
water, the density of oil slick is made as ρ
oil, in addition, be p when the 3rd wireless pressure sensor records pressure
3=ρ
oilh
3time, the thickness of oil slick layer more than the second wireless pressure sensor is made as δ
oil, the 3rd more than wireless pressure sensor waste water layer thickness be made as δ
water;
Oil slick sand setting case is in operation, the pressure p detecting when the 3rd wireless pressure sensor
3=ρ
oilh
3time, there are three kinds of situations in the thickness of the oil slick layer in interval more than the second wireless pressure sensor.
Further, three kinds of situations specifically comprise:
The first situation: at the initial stage of oil slick sand setting case operation, because oleaginousness in waste water is less, at the upper surface of waste water fragmentary oil slick adrift, but can't form complete oil slick layer, i.e. core intersection δ
oil=0 < h
3;
The second situation: oil slick sand setting case has formed certain thickness oil slick layer after operation for some time on waste water top layer, but floating oil layer thickness δ
oil≤ h
3, the 3rd, oil slick district more than wireless pressure sensor, at the middle and upper levels for oil slick floor lower floor is waste water layer, works as δ
oil=h
3only has oil slick layer;
The third situation: formed thicker oil slick layer on waste water top layer, i.e. core intersection δ more than the second wireless pressure sensor after oil slick sand setting case operation certain hour
oil> h
3.
Further, for the first situation: i.e. the initial stage of oil slick sand setting case operation, because oleaginousness in waste water is less, at the upper surface of waste water fragmentary oil slick adrift, but can't form complete oil slick layer, now thinking basic in the 3rd more than wireless pressure sensor oil slick district is waste water, when waste water layer thickness in the 3rd more than wireless pressure sensor oil slick district is made as δ
water 1, formula (1), (2) are set up:
P
3=ρ
oilh
3=ρ
waterδ
water 1=ρ
waterδ
water(1)
P
2=ρ
waterh
2+ ρ
waterδ
water 1(2)
=ρ
waterh
2+ ρ
oilh
3
Formula (1) distortion can obtain formula (3);
Found out by formula (3): δ
water 1< h
3, in the 3rd more than wireless pressure sensor oil slick district, waste water layer is that the total thickness of liquid level is less than h
3, that is now the highest liquid level of oil slick sand setting case, lower than the position of oil slick district upper end liquid level line, that is to say, for the first situation, when following formula (4) is set up with formula (1), formula (2) is set up.
For the second situation: oil slick sand setting case has formed certain thickness oil slick layer after operation for some time on waste water top layer, but floating oil layer thickness δ
oil≤ h
3, the 3rd, oil slick district more than wireless pressure sensor, at the middle and upper levels for oil slick floor lower floor is waste water layer, works as δ
oil=h
3only have oil slick layer, in the 3rd more than wireless pressure sensor oil slick district, waste water layer thickness is made as δ
water 2, floating oil layer thickness is made as δ
oil 2time, set up this up-to-date style (5), (6):
P
3=ρ
oilh
3=ρ
waterδ
water 2+ ρ
oilδ
oil 2(5)
P
2=ρ
waterh
2+ ρ
waterδ
water 2+ ρ
oilδ
oil 2(6)
=ρ
waterh
2+ ρ
oilh
3
Comparison expression (1) and formula (5) can obtain:
Wherein, (δ
water 2+ δ
oil 2) be the total thickness of liquid level in the 3rd more than wireless pressure sensor oil slick district in the second situation, in the 3rd more than wireless pressure sensor oil slick district, the total thickness of waste water layer and oil slick floor is that the thickness of liquid level is (δ
water 2+ δ
oil 2), and be less than or equal to h
3, that is now the highest liquid level of oil slick sand setting case lower than the position of oil slick district upper end liquid level line or flush with it.That is to say, for the second situation, when following formula (8) is set up with formula (5), formula (6) is set up:
Comprehensive above two kinds of situations can obtain:
In the time that formula (9) is set up,
Can be derived from formula (10)
δ
oil≤ h
3(10)
In the time that formula (9) is set up, can push away to such an extent that the thickness of oil slick floor is less than or equal to the thickness in oil slick district;
For the third situation: formed thicker oil slick layer on waste water top layer, i.e. core intersection δ more than the second wireless pressure sensor after oil slick sand setting case operation certain hour
oil> h
3, now lower end, oil slick district the 3rd core intersection below wireless pressure sensor be δ
oil 3, set up formula (11), (12):
P
3=ρ
oilh
3(11)
P
2=ρ
water(h
2-δ
oil 3)+ρ
oilδ
oil 3+ ρ
oilh
3
=ρ
waterh
2+ ρ
oilh
3-ρ
waterδ
oil 3+ ρ
oilδ
oil 3(12)
=ρ
waterh
2+ ρ
oilh
3-(ρ
water-ρ
oil) δ
oil 3
< ρ
waterh
2+ ρ
oilh
3
That is to say: in the time that following formula (13) is set up, formula (14) is below set up:
δ
oil> h
3(14)
In the time that formula (13) is set up, the thickness that can be derived from oil slick floor is greater than the thickness in oil slick district.
Further, should remove oil slick in oily(waste)water and the device of sand setting is by the synergy of the second wireless pressure sensor and the 3rd wireless pressure sensor, oil to be separated with waste water automatically with sand based on wireless pressure sensor, concrete steps are as follows:
Step 1, when work starts, the 3rd magnetic valve is opened in central control unit instruction, pending oil-containing, sand sewage enter into water inlet pipe from ground gravity flow, deliver to sewage water distributor through water inlet pipe, then sewage water distributor longitudinally sewage is distributed uniformly in a side of the middle and lower part in the sand setting district of oil slick sand setting case;
Step 2, when the pressure p of the 3rd wireless pressure sensor instruction
3=ρ
oilh
3, the second wireless pressure sensor indicator pressure p
2=ρ
waterh
2+ ρ
oilh
3and the pressure data that the second wireless pressure sensor and the 3rd wireless pressure sensor record is transferred to after central control unit by the data line being connected with central control unit separately, the second magnetic valve is opened in central control unit instruction, close the 3rd magnetic valve sewage simultaneously and enter and stop, the sewage after oil slick sand setting flows into without oil tank after entering water shoot by header more voluntarily; The pressure recording when the second wireless pressure sensor is less than a certain set(ting)value, and this value was close to 0 o'clock, and the second magnetic valve is closed in central control unit instruction, opens the 3rd magnetic valve simultaneously, and sewage continues to flow into oil slick sand setting case;
Step 3, when the pressure p of the 3rd wireless pressure sensor instruction
3=ρ
oilh
3, the second wireless pressure sensor indicator pressure p
2< ρ
waterh
2+ ρ
oilh
3and the data line that the pressure data that the second wireless pressure sensor and the 3rd wireless pressure sensor record is connected with central control unit separately by them is transferred to after central control unit, the 4th magnetic valve is opened in central control unit instruction, close the 3rd magnetic valve sewage simultaneously and stop entering, oil slick enters oil slick reception tank through oil exit pipe gravity flow; As the 3rd wireless pressure sensor indicator pressure p
3≤ ρ
oilwhen h (wherein h is certain value, and its value is slightly larger than the diameter of oil exit pipe), when the 4th magnetic valve is closed in central control unit instruction, open the 3rd magnetic valve, sewage continues to enter oil slick sand setting case;
Step 4, when the first wireless pressure sensor instruction without the pressure of oil tank is: p
1>=ρ
waterh
1and while these data being passed to central control unit by data line, the first magnetic valve is opened in central control unit instruction, sewage after oil removing sand setting pumps into lower road sewage disposal operation through drinking-water pipe, when the first wireless pressure sensor instruction is less than a certain predefined value without the pressure of oil tank, this value approaches at 0 o'clock, and the first magnetic valve is closed in central control unit instruction;
Step 5, when the pressure of the 4th wireless pressure sensor instruction oil slick reception tank is p
4>=ρ
oilh
4time, central control unit instruction is opened the 5th magnetic valve oil slick and is pumped into waste oil collecting barrel through under meter and oil pick-up tube, simultaneously under meter by the waste oil quantity that enters waste oil collecting barrel by wireless network transmissions to Surveillance center, when the pressure of the 4th wireless pressure sensor instruction oil slick reception tank is less than a certain predefined value, this value approaches at 0 o'clock, and the 5th magnetic valve is closed in central control unit instruction.
Further, sealing cover is for preventing that waste oil from arranging without under meter is removed.
Further, the small underwater aeration head preventing without the water body fouling in oil tank and oil slick sand setting case is set.
Further, some groups of ejectors facing each other are installed, ejector laterally between two in opposite directions jet make the waste water at oil removing sand setting case middle part relatively mobile, increased the collision opportunity between liquid particle.
The oil slick based in wireless pressure sensor removal oily(waste)water that the utility model provides and the device of sand setting, two wireless pressure sensors are set, under their synergy, automatically remove oil slick and the sand setting in oily(waste)water, above the sloping plate deposition district of oil slick sand setting case and the lower end in oil slick district be provided with respectively the second wireless pressure sensor and the 3rd wireless pressure sensor; Indirectly distinguish that by the synergy of the second wireless pressure sensor and the 3rd wireless pressure sensor the thickness of oil slick floor is less than or equal to the thickness in oil slick district or is greater than the thickness in oil slick district.And then in the time distinguishing that the thickness of oil slick floor is greater than the thickness in oil slick district, the oil slick layer that can automatically the top of oil slick sand setting case be swum in more than the water surface is removed automatically; Ejector laterally between two in opposite directions jet make the waste water at oil removing sand setting case middle part relatively mobile, increase the collision opportunity between liquid particle, thereby be that most of dispersed oil and the more short grained oil in water emulsion of part have been created the chance that is more combined into the elaioleucite of larger particles, then these elaioleucites float to the top of liquid level naturally, thereby improve oil removal efficiency 3% left and right.Of the present utility model simple in structure, easy to operate, realize the oil slick removed in oily(waste)water and the automatization of sand setting, solved preferably the unreliability that existing cleaner exists the loaded down with trivial details and line fault connecting up in engineering to cause, the higher problem of while wiring cost.
Brief description of the drawings
Fig. 1 be the utility model embodiment provide remove oil slick in oily(waste)water and the apparatus structure schematic diagram of sand setting based on wireless pressure sensor;
In figure: 1, without oil tank; 2, aeration head; 3, header; 4, oil slick sand setting case; 5, sloping plate deposition district; 6, sand setting district; 7, shore pipe; 8, sewage water distributor; 9, oil slick reception tank; 10, the first wireless pressure sensor; 11, drinking-water pipe; 12, the first magnetic valve; 13, water shoot; 14, the second magnetic valve; 15, the second wireless pressure sensor; 16, the 3rd wireless pressure sensor; 17, transverse jet device; 18, oil slick district; 19, oil slick district upper end liquid level line; 20, water inlet pipe; 21, the 3rd magnetic valve; 22, the 4th magnetic valve; 23, oil exit pipe; 24, oil pick-up tube; 25, sealing cover; 26, the 5th magnetic valve; 27, under meter; 28, the 4th wireless pressure sensor.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1, the device of removing oil slick in oily(waste)water and sand setting based on wireless pressure sensor of the utility model embodiment mainly by: without oil tank 1, aeration head 2, header 3, oil slick sand setting case 4, sloping plate deposition district 5, sand setting district 6, shore pipe 7, sewage water distributor 8, oil slick reception tank 9, the first wireless pressure sensor 10, drinking-water pipe 11, the first magnetic valve 12, water shoot 13, the second magnetic valve 14, the second wireless pressure sensor 15, the 3rd wireless pressure sensor 16, transverse jet device 17, oil slick district 18, oil slick district upper end liquid level line 19, water inlet pipe 20, the 3rd magnetic valve 21, the 4th magnetic valve 22, oil exit pipe 23, oil pick-up tube 24, sealing cover 25, the 5th magnetic valve 26, under meter 27, the 4th wireless pressure sensor 28,
Aeration head 2 is separately positioned on the top without the sand setting district 6 of oil tank 1 bottom and oil slick sand setting case, and the mid-way on the upper side, bottom in the bottom without oil tank 1 and oil slick sand setting case 4 respectively; The first wireless pressure sensor 10 is arranged on the left side without oil tank 1 bottom, and drinking-water pipe 11 is arranged on without oil tank 1 left side, and the first magnetic valve 12 is arranged on drinking-water pipe 11;
The right side that oil slick sand setting case 4 is arranged on without oil tank 1, the sloping plate deposition district 5 of oil slick sand setting case is arranged on the mid-way of oil slick sand setting case 4, the sand setting district 6 of oil slick sand setting case is arranged on the bottom of oil slick sand setting case 4, shore pipe 7 is arranged on the mid-way of 6 bottoms, sand setting district of oil slick sand setting case, header 3 is arranged on the below in 5 left sides, sloping plate deposition district of oil slick sand setting case, header 3 connect be arranged on without on the dividing plate of oil tank 1 and oil slick sand setting case 4 water shoot 13, the second magnetic valve 14 is arranged on water shoot 13, the second wireless pressure sensor 15 is arranged on the top in 5 left sides, sloping plate deposition district of oil slick sand setting case, the 3rd wireless pressure sensor 16 is arranged on the lower end in oil slick district, transverse jet device 17 is on 5 left sides, sloping plate deposition district for oil slick sand setting case, the top of right both sides arranges array in opposite directions, oil slick district 18 is arranged on the top of the 3rd wireless pressure sensor 16, oil slick district upper end liquid level line 19 is arranged on the top in oil slick district 18, water inlet pipe 20 is arranged on the right side of oil slick sand setting case 4, the 3rd magnetic valve 21 is arranged on the upper end of water inlet pipe 20, sewage water distributor 8 connects water inlet pipe 20,
Oil slick reception tank 9 is arranged on the right side of oil slick sand setting case 4, oil pick-up tube 23 is arranged on the dividing plate of centre of oil slick sand setting case 4 and oil slick reception tank 9, oil slick reception tank 9 is communicated with the oil slick district 17 of oil slick sand setting case, sealing cover 25 is arranged on the top of oil slick reception tank 9, the 5th magnetic valve 26 is arranged in oil pick-up tube 24, under meter 27 is arranged on below the 5th magnetic valve 26, and the 4th wireless pressure sensor 28 is arranged on the lower right of oil slick reception tank 9.
The utility model is the changing conditions that can accurately grasp oil slick sand setting case 4 top floating oil layer thickness, above the special sloping plate deposition district 5 at oil slick sand setting case and the lower end in oil slick district 18 is provided with respectively the second wireless pressure sensor 15 and the 3rd wireless pressure sensor 16, indirectly distinguish that by the synergy of two wireless pressure sensors the thickness of oil slick floor is less than or equal to the thickness in oil slick district or is greater than the thickness in oil slick district, and then in the time distinguishing that the thickness of oil slick floor is greater than the thickness in oil slick district, the oil slick layer that can automatically the top of oil slick sand setting case 4 be swum in more than the water surface is removed automatically, concrete method is:
First, be made as h without the bottom of oil tank 1 to the height of the bottom of water shoot 13
1, the height between the second wireless pressure sensor 15 and the 3rd wireless pressure sensor 16 is made as h
2, the 3rd wireless pressure sensor 16 is made as h to the height of oil slick district upper end liquid level line 19
3, the thickness in oil slick district 18 is h
3, the bottom of oil slick reception tank 9 is made as h to the height of the bottom 100mm of oil exit pipe 23
4, first wireless pressure sensor 10 that is in operation, the second wireless pressure sensor 15, the 3rd wireless pressure sensor 16, the shown pressure (claim pressure in engineering science, claim pressure in physics) of the 4th wireless pressure sensor 28 are made as respectively p
1, p
2, p
3, p
4, the density of waste water is made as ρ
water, the density of oil slick is made as ρ
oil, in addition, be p when the 3rd wireless pressure sensor records pressure
3=ρ
oilh
3time, the thickness of oil slick layer more than the second wireless pressure sensor is made as δ
oil, the 3rd more than wireless pressure sensor waste water layer thickness be made as δ
water;
Oil slick sand setting case 4 is in operation, the pressure p detecting when the 3rd wireless pressure sensor
3=ρ
oilh
3time, may there are following three kinds of situations in the thickness of the oil slick layer in more than 16 interval of the second wireless pressure sensor, that is:
The first situation: at the initial stage that oil slick sand setting case 4 moves, because oleaginousness in waste water is less, at the upper surface of waste water fragmentary oil slick adrift, but can't form complete oil slick layer, i.e. core intersection δ
oil=0 < h
3; The second situation: oil slick sand setting case 4 has formed certain thickness oil slick layer after moving for some time on waste water top layer, but this floating oil layer thickness δ
oil≤ h
3, at the 3rd wireless pressure sensor, more than 17 oil slick districts is that oil slick floor lower floor is that waste water layer (is worked as δ at the middle and upper levels
oil=h
3only has oil slick layer); The third situation: oil slick sand setting case 4 has formed thicker oil slick layer after moving certain hour on waste water top layer, i.e. core intersection δ more than the second wireless pressure sensor
oil> h
3;
For the first situation: the initial stage that oil slick sand setting case 4 moves, because oleaginousness in waste water is less, at the upper surface of waste water fragmentary oil slick adrift, but can't form complete oil slick layer, now can think basic in the 3rd more than wireless pressure sensor oil slick district is waste water (it is negligible that surface flotation fragmentary unstratified oil slick), is δ when establishing now waste water layer thickness in the more than 16 oil slick district of the 3rd wireless pressure sensor
water 1, formula (1), (2) are set up:
P
3=ρ
oilh
3=ρ
waterδ
water 1=ρ
waterδ
water(1)
P
2=ρ
waterh
2+ ρ
waterδ
water 1(2)
=ρ
waterh
2+ ρ
oilh
3
Formula (1) distortion can obtain formula (3),
Can be found out by formula (3): δ
water 1< h
3, that is to say now, in the 3rd more than wireless pressure sensor oil slick district, waste water layer is that the total thickness of liquid level is less than h
3, that is now the highest liquid level of oil slick sand setting case 4 lower than the position of oil slick district upper end liquid level line 19.That is to say, for the first situation, when following formula (4) is set up with formula (1), formula (2) is set up.
For the second situation: oil slick sand setting case 4 has formed certain thickness oil slick layer after moving for some time on waste water top layer, but this floating oil layer thickness δ
oil≤ h
3, at the 3rd wireless pressure sensor, more than 16 oil slick districts is that oil slick floor lower floor is that waste water layer (is worked as δ at the middle and upper levels
oil=h
3only have oil slick layer), be δ when establishing now waste water layer thickness in the more than 16 oil slick district of the 3rd wireless pressure sensor
water 2, floating oil layer thickness is δ
oil 2time, set up this up-to-date style (5), (6):
P
3=ρ
oilh
3=ρ
waterδ
water 2+ ρ
oilδ
oil 2(5)
P
2=ρ
waterh
2+ ρ
waterδ
water 2+ ρ
oilδ
oil 2(6)
=ρ
waterh
2+ ρ
oilh
3
Comparison expression (1) and formula (5) can obtain:
Wherein, (δ
water 2+ δ
oil 2) be the total thickness of liquid level in the more than 16 oil slick district of the 3rd wireless pressure sensor in the second situation, that is to say now, in the 3rd more than wireless pressure sensor oil slick district, the total thickness of waste water layer and oil slick floor is that the thickness of liquid level is (δ
water 2+ δ
oil 2), and be less than or equal to h
3, that is now the highest liquid level of oil slick sand setting case 4 also lower than the position of oil slick district upper end liquid level line 19 or flush with it.That is to say, for the second situation, when following formula (8) is set up with formula (5), formula (6) is set up:
Comprehensive above two kinds of situations can obtain:
In the time that formula (9) is set up;
Can be derived from formula (10)
δ
oil≤ h
3(10)
In the time that formula (9) is set up, can push away to such an extent that the thickness of oil slick floor is less than or equal to the thickness in oil slick district;
For the third situation: oil slick sand setting case 4 has formed thicker oil slick layer after moving certain hour on waste water top layer, i.e. the more than 16 core intersection δ of the second wireless pressure sensor
oil> h
3, now establish lower end, oil slick district the 3rd core intersection below wireless pressure sensor be δ
oil 3, set up formula (11), (12):
P
3=ρ
oilh
3(11)
P
2=ρ
water(h
2-δ
oil 3)+ρ
oilδ
oil 3+ ρ
oilh
3
=ρ
waterh
2+ ρ
oilh
3-ρ
waterδ
oil 3+ ρ
oilδ
oil 3(12)
=ρ
waterh
2+ ρ
oilh
3-(ρ
water-ρ
oil) δ
oil 3
< ρ
waterh
2+ ρ
oilh
3
That is to say: in the time that following formula (13) is set up, formula (14) is below set up:
δ
oil> h
3(14)
In the time that formula (13) is set up, the thickness that can be derived from oil slick floor is greater than the thickness in oil slick district.
In automatic removal oily(waste)water of the present utility model, the device of oil slick and sand setting is realized based on above principle, below principle based on above implementation procedure of the present utility model is described in detail:
Oil slick based in wireless pressure sensor removal oily(waste)water and the device of sand setting are by the synergy of the second wireless pressure sensor 15 and the 3rd wireless pressure sensor 16, oil to be separated with waste water automatically with sand, the various instruments of oil removing sand-catching apparatus as shown in Figure 1, illustrate its workflow and principle below in conjunction with Fig. 1:
1. when work starts, central control unit instruction is opened the 3rd magnetic valve 21 and (is connected by control circuit between the two, now other magnetic valve is all in closing condition), pending oil-containing, sand sewage enter into water inlet pipe 20 (or with pump squeeze into) from ground gravity flow, deliver to sewage water distributor 8 through water inlet pipe 20, then sewage water distributor 8 distributes sewage uniformly in longitudinally (direction of vertical paper) of a side of the middle and lower part in the sand setting district 6 of oil slick sand setting case;
2. the pressure p of indicating when the 3rd wireless pressure sensor 16
3=ρ
oilh
3, the second wireless pressure sensor 15 indicator pressure p
2=ρ
waterh
2+ ρ
oilh
3and the data line that the pressure data that the second wireless pressure sensor 15 and the 3rd wireless pressure sensor 16 record is connected with central control unit separately by them is transferred to after central control unit, the second magnetic valve 14 (being connected by control circuit) is opened in central control unit (pre-entering the computer of programmed) instruction between the two, close the 3rd magnetic valve 21 sewage simultaneously and enter and stop, the sewage after oil slick sand setting flows into voluntarily without oil tank 1 after entering water shoot 13 by header 3 again; When the pressure recording when the second wireless pressure sensor 15 is less than a certain set(ting)value (this value is close to 0), the second magnetic valve 14 is closed in central control unit instruction, opens the 3rd magnetic valve 21 simultaneously, and sewage continues to flow into oil slick sand setting case 4;
3. the pressure p of indicating when the 3rd wireless pressure sensor 16
3=ρ
oilh
3, the second wireless pressure sensor 15 indicator pressure p
2< ρ
waterh
2+ ρ
oilh
3and the data line that the pressure data that the second wireless pressure sensor 15 and the 3rd wireless pressure sensor 16 record is connected with central control unit separately by them is transferred to after central control unit, the 4th magnetic valve 22 (being connected by control circuit) is opened in central control unit instruction between the two, close the 3rd magnetic valve 21 sewage simultaneously and stop entering, oil slick enters oil slick reception tank 9 through oil exit pipe 23 gravity flows; As the 3rd wireless pressure sensor 16 indicator pressure p
3≤ ρ
oilwhen h (wherein h is certain value, and its value is slightly larger than the diameter of oil exit pipe 23), central control unit instruction is closed the 4th magnetic valve 22 and is opened the 3rd magnetic valve 21 simultaneously, and sewage continues to enter oil slick sand setting case 4;
4. indicate without the pressure of oil tank 1 when the first wireless pressure sensor 10 and be: p
1>=ρ
waterh
1and while these data being passed to central control unit by data line, the first magnetic valve 12 (being connected by control circuit) is opened in central control unit (pre-entering the computer of programmed) instruction between the two, sewage after oil removing sand setting pumps into lower road sewage disposal operation through drinking-water pipe 11, when the first wireless pressure sensor 10 is indicated while being less than a certain predefined value (this value approaches 0) without the pressure of oil tank 1, the first magnetic valve 12 is closed in central control unit (pre-entering the computer of programmed) instruction;
5. indicating the pressure of oil slick reception tank 9 when the 4th wireless pressure sensor 28 is p
4>=ρ
oilh
4time, central control unit (pre-entering the computer of programmed) instruction is opened the 5th magnetic valve 26 (being connected by control circuit) oil slick between the two and is pumped into waste oil collecting barrel through under meter 27 and oil pick-up tube 24, simultaneously under meter 27 by the waste oil quantity that enters waste oil collecting barrel by wireless network transmissions to Surveillance center, Surveillance center just can promptly and accurately grasp the quantity that waste oil produces like this, so that allotment in time.If by this application of installation in the diet place such as Large-scale Hotel, restaurant, can carry out Long-distance Control and management to the kitchen waste oil of its generation, and then control the raw material of sewer oil from source, guarantee that common people are able to eat relieved oil, in the time that the 4th wireless pressure sensor 28 indicates the pressure of oil slick reception tank 9 to be less than a certain predefined value (this value approaches 0), the 5th magnetic valve 26 is closed in central control unit instruction;
6. sealing cover 25 arranges without under meter 27 is removed for preventing waste oil, and its effect is to ensure that this installs collected waste oil all after under meter 27 metering, allocates under the monitoring of Surveillance center;
7. establishing respectively small underwater aeration head 2 for anti-water-stop body fouls without oil tank and oil slick sand setting case, summer every three days central control unit (pre-entering the computer of programmed) indicate without the aeration head aeration 5～10min in oil tank and oil slick sand setting case;
In addition, in order to increase the collision between liquid particle, some groups of ejectors 15 facing each other have been installed at the middle part of oil removing sand setting case especially, ejector 15 laterally between two in opposite directions jet the waste water at oil removing sand setting case middle part is flowed (also comprising that other is difficult to the simple complex flow of describing) relatively, increase the collision opportunity between liquid particle, thereby be that most of dispersed oil and the more short grained oil in water emulsion of part have been created the chance that is more combined into the elaioleucite of larger particles, then these elaioleucites float to the top of liquid level naturally, thereby improve oil removal efficiency 3% left and right.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. the oil slick based in wireless pressure sensor removal oily(waste)water and the device of sand setting, it is characterized in that, should remove oil slick in oily(waste)water and the device of sand setting comprises based on wireless pressure sensor: without oil tank, aeration head, header, oil slick sand setting case, sloping plate deposition district, sand setting district, shore pipe, sewage water distributor, oil slick reception tank, the first wireless pressure sensor, drinking-water pipe, the first magnetic valve, water shoot, the second magnetic valve, the second wireless pressure sensor, the 3rd wireless pressure sensor, transverse jet device, oil slick district, oil slick district upper end liquid level line, water inlet pipe, the 3rd magnetic valve, the 4th magnetic valve, oil exit pipe, oil pick-up tube, sealing cover, the 5th magnetic valve, under meter, the 4th wireless pressure sensor,
Aeration head is separately positioned on the top without the sand setting district of oil tank bottom and oil slick sand setting case, and respectively in mid-way on the upper side bottom oil tank bottom and oil slick sand setting case; The first wireless pressure sensor is arranged on the left side without oil tank bottom, and drinking-water pipe is arranged on without oil tank left side, and the first magnetic valve is arranged on drinking-water pipe;
Oil slick sand setting case is arranged on the right side without oil tank, the sloping plate deposition district of oil slick sand setting case is arranged on the mid-way of oil slick sand setting case, the sand setting district of oil slick sand setting case is arranged on the bottom of oil slick sand setting case, shore pipe is arranged on the mid-way in the sand setting district of oil slick sand setting case, header is arranged on the below in the left side, sloping plate deposition district of oil slick sand setting case, header connection is arranged on without the water shoot on the dividing plate of oil tank and oil slick sand setting case, the second magnetic valve is arranged on water shoot, the second wireless pressure sensor is arranged on the top in the left side, sloping plate deposition district of oil slick sand setting case, the 3rd wireless pressure sensor is arranged on the lower end in oil slick district, transverse jet device is on a left side, sloping plate deposition district for oil slick sand setting case, the top of right both sides arranges array in opposite directions, oil slick district is arranged on the top of the 3rd wireless pressure sensor, oil slick district upper end liquid level line is arranged on the top in oil slick district, water inlet pipe is arranged on the right side of oil slick sand setting case, the 3rd magnetic valve is arranged on the upper end of water inlet pipe, sewage water distributor connects water inlet pipe.
2. as claimed in claim 1ly remove oil slick in oily(waste)water and the device of sand setting based on wireless pressure sensor, it is characterized in that, oil slick reception tank is arranged on the right side of oil slick sand setting case, oil pick-up tube is arranged on the right side of oil slick reception tank, sealing cover is arranged on the top of oil slick reception tank, the 5th magnetic valve is arranged in oil pick-up tube, under meter is arranged on below the 5th magnetic valve, oil exit pipe is arranged on the dividing plate in the middle of oil slick sand setting case and oil slick reception tank, be communicated with the oil slick district of oil slick sand setting case, the 4th magnetic valve is arranged on oil exit pipe, the 4th wireless pressure sensor is arranged on the lower right of oil slick reception tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286725.7U CN203904092U (en) | 2014-05-30 | 2014-05-30 | Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286725.7U CN203904092U (en) | 2014-05-30 | 2014-05-30 | Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904092U true CN203904092U (en) | 2014-10-29 |
Family
ID=51778382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286725.7U Expired - Fee Related CN203904092U (en) | 2014-05-30 | 2014-05-30 | Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003533A (en) * | 2014-05-30 | 2014-08-27 | 泰山医学院 | Wireless pressure sensor-based device for removing floating oil and settled sand in oil-containing wastewater |
| CN106088291A (en) * | 2016-08-08 | 2016-11-09 | 苏州华安普电力科技股份有限公司 | A kind of substation accident pond accumulated water treatment device |
-
2014
- 2014-05-30 CN CN201420286725.7U patent/CN203904092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003533A (en) * | 2014-05-30 | 2014-08-27 | 泰山医学院 | Wireless pressure sensor-based device for removing floating oil and settled sand in oil-containing wastewater |
| CN106088291A (en) * | 2016-08-08 | 2016-11-09 | 苏州华安普电力科技股份有限公司 | A kind of substation accident pond accumulated water treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102659212B (en) | Method and device for removing floating oil and settling sand in wastewater based on electrical conductivities of oil and water | |
| CN201704786U (en) | Oil-water separating device of waste water in catering industry | |
| CN202191785U (en) | Hogwash oil dirt separator | |
| CN203904092U (en) | Device for removing oil spill and grit out of oily wastewater based on a wireless pressure sensor | |
| CN104265213A (en) | Closed well washing water recycling equipment | |
| CN102659213B (en) | Method and device for removing floating oil and settled sand in waste water based on special type liquid level measuring apparatus | |
| CN206769017U (en) | A kind of hole pumping system with precipitation function | |
| CN104003533B (en) | The device of oil slick in oily(waste)water and sand setting is removed based on wireless pressure sensor | |
| CN102659211B (en) | Method and device for automatically removing floating oil and settled sand from oil-containing wastewater | |
| CN104003472B (en) | Difference based on profit buoyancy removes the device of oil slick in oily(waste)water and sand setting | |
| CN201386031Y (en) | Device for insulating sewage from floating oil | |
| CN203866069U (en) | Device for removing oil slick in wastewater based on ultrasonic level instrument and pressure sensor | |
| CN104003473B (en) | The device of oil slick in waste water is removed based on ultrasonic liquid leveller and pressure transmitter | |
| CN203922795U (en) | Oil slick in difference removal oily(waste)water based on profit buoyancy and the device of sand setting | |
| CN203529976U (en) | Oil-water separator | |
| CN207016587U (en) | A kind of oil field output water pretreatment sedimenting system | |
| CN207031014U (en) | A kind of new batch-type air-dissolving air-float equipment for separating liquid from solid | |
| CN203002737U (en) | Kitchen waste separating and filtering device | |
| CN205347021U (en) | High -efficiency sedimentation basin | |
| CN204097270U (en) | Mobile emergency casing Magneto separate integration apparatus | |
| RU2239698C1 (en) | Method for preparing water for feeding into force wells | |
| CN202785741U (en) | Device capable of automatically removing floating oil and deposited sand from oily wastewater | |
| CN201406350Y (en) | Oil, water and sand separation treatment device of sewage discharging system of oilfield combination station | |
| CN201406337Y (en) | Magnetic type micro-flocculation oilfield sewage pretreatment device | |
| CN202576041U (en) | Device for removing oil spill and sand setting in wastewater based on special liquid level measurement instrument |
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: 20141029 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |