CN2213556Y

CN2213556Y - Automatic oil and water separating device

Info

Publication number: CN2213556Y
Application number: CN 94246186
Authority: CN
Inventors: 罗余军
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-25
Filing date: 1994-11-25
Publication date: 1995-11-29
Anticipated expiration: 2004-11-25

Abstract

The utility model relates to a fully automatic oil and water separating device, which comprises a tank body, an oil collecting and water draining tank, a balancing weight, a water inlet pipe, an oil return pipe and a lever system for connecting the oil collecting and water draining tank and the balancing weight. The control part of a water draining control valve is arranged on a valve cover, a water inlet and a water outlet are arranged on a valve seat, and a movable diaphragm is arranged in a valve inner cavity composed of the valve cover and the valve seat. Through the utilization of the gravity and the lever principle, the valve can be closed and opened to cause pressure differences in the valve so as to cause the diaphragm to move upward and downward so that the water can be drained. The device has the characteristics of simple structure, small size, high control sensitivity of water drain, etc.

Description

Automatic oil and water separating device

The utility model relate to a kind of with oil and moisture from and self-draining full-automatic oily-water seperating equipment, water separates in the second dehydration that it is particularly useful for all trades and professions oil storage tank and the organic solution.

The second dehydration of existing oil storage tank is not most all to be manual emission, and it not only takes the labour but also easily run oil.The patent No. is " 92232507.3 " " oil product storage tank water cut-off device ", utilize the gravity of liquid to concern and draining automatically, it is installed in a severe on the storage tank profit tangent line between the ball float between oil and the water, by the draining of buoyancy oil slick with the oil-water interfaces lifting, structure is very simple, and manufacturing cost is very low.But,, influence separating effect on the interface so can be with a spot of oil slick unavoidably during draining because oil slick rocks with the ball float lifting.Nanjing Jin Cheng environment-friendly engineering instrument factory development and the QS-VXX type oil tank water cut-off device of producing, it has overcome many deficiencies of prior art, it uses the feature of 3 liquid at internal tank pressure and the profit density contrast of oil tank own, utilizes lever principle, reaches the purpose of cutting the water oil return automatically.The draining valve that this water cut-off device uses is a cone valve, and all on same center line, the conical surface mouth of valve is exactly a discharge outlet for its valve stamen, valve rod and intake-outlet, so its displacement is less.On the other hand, the oil storage tank liquid level changes the pressure that directly causes draining valve and changes, plate washer acts on valve rod, the active force that valve cuts out, must at first overcome the normal pressure of draining valve, the size of this active force is directly proportional with the open area of closing of valve, this valve close open area oil-collecting discharge casing delivery port area just, the weight that the delivery port area increases oil-collecting discharge casing and balancing weight also should scale up, therefore the delivery port area of valve can not be excessive, but for certain displacement of maintaining valve, the delivery port area again can not be very little, so, therefore influence its action sensitivity inevitably owing to the defective of this structure.Moreover the water that this water cut-off device is come in outside system enters discharge casing and counterweight jar respectively for the impulse force of buffered water, and the water that enters the counterweight jar enters discharge casing by pipeline again, and pipeline increases so back and forth, just more XXL the volume of this water cut-off device.

The purpose of this utility model is the defective at prior art, to society provide simple in structure, volume is little, the full-automatic oily-water seperating equipment of high sensitivity in light weight, long service life.

Task of the present utility model is achieved in that full-automatic oily-water seperating equipment comprises casing, oil-collecting discharge casing, balancing weight, water inlet pipe, oil return pipe, draining control valve, and the lever system that connects oil-collecting discharge casing and balancing weight, the lower support of the rotation edge of a knife of lever system is arranged on the crossbeam, a plate washer is housed on the crossbeam, this plate washer can hinder the valve rod of shelves draining control valve when oil-collecting discharge casing sinking lever tilts, draining control valve is closed.The control section of the draining control valve of this full-automatic oily-water seperating equipment comprises that valve stamen and valve rod are contained on the valve gap, intake-outlet is all on valve seat, have the limbers that is connected with control section on valve seat and the valve gap, the valve insertion between valve gap and the valve seat is placed with diaphragm, diaphragm moves up and down and makes the discharge outlet opening and closing; Have the water flowing passage on the valve gap of composition valve insertion, it communicates with the gap of valve, and valve rod, valve stamen, gap all are in the same center line.The lever system of this oily-water seperating equipment, an end that connects the oil-collecting discharge casing is a hollow metal tube, and it is connected with water inlet pipe, and what connect the balancing weight other end is axostylus axostyle, and axostylus axostyle is with spring outward, and an adjusting nut of regulating balancing weight arm of force distance is housed on the axostylus axostyle.

Full-automatic oily-water seperating equipment of the present utility model adopts draining and the novel draining control valve that is controlled to be one, because the control section of the water inlet of this draining control valve and discharge outlet part and valve is not on same center line, remain silent and be connected with water inlet in the valve gap with the limbers in the pass of valve, valve close the water inlet area that open area is significantly smaller than valve, therefore just can start valve rod with less power closes valve, so although the oil storage tank liquid level changes and causes that draining control valve pressure changes, but the influence that it brings for the control part branch of valve is little, improved the action sensitivity of this draining control valve so greatly, the volume of whole oily-water seperating equipment is dwindled greatly.Moreover the water that this full-automatic oily-water seperating equipment is come in from oil storage tank all directly enters the oil-collecting discharge casing, has saved the pipeline that enters the counterweight jar and then enter the oil-collecting discharge casing, has not only saved cost, and has dwindled the volume of this device again.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the full-automatic oily-water seperating equipment of the utility model.

Fig. 2 is the vertical view of the full-automatic oily-water seperating equipment of the utility model.

Fig. 3 is the structure chart of draining control valve in the utility model.

Accompanying drawing is an embodiment of the present utility model.Oil-collecting discharge casing 3, draining control valve 2, oil return pipe 6, water inlet pipe 8, lever system are housed by hollow metal tube 5, axostylus axostyle 10 with rotate the edge of a knife 9 and formed in the casing 1 of the full-automatic oily-water seperating equipment among Fig. 1 and Fig. 2.Hollow metal tube 5 communicates with water inlet pipe 8, and inserts oil-collecting discharge casing interior 3.5 one-tenth rectangles of hollow metal tube among the figure enter the alternate apopore that has of hollow metal tube 5 perisporiums in the oil-collecting discharge casing 3, the speed and the impulse force that enter with buffered water.Balancing weight 12 is installed on the axostylus axostyle 10, is with spring 11 on the axostylus axostyle 10 between balancing weight 12 and the hollow metal tube 5, and adjusting nut 13 is equipped with in the outside of balancing weight 12, to regulate the distance between the balancing weight 12 and the rotation edge of a knife 9.The lower support that rotates the edge of a knife 9 is arranged on the crossbeam 4, and crossbeam 4 is fixed on casing 1 sidewall, is that hollow (can use square tube) is with logical steam heated in the middle of the crossbeam 4.A plate washer 14 is equipped with in crossbeam 4 belows and draining control valve 2 corresponding sections.Selection and the balancing weight 12 that oil-collecting discharge casing volume is complementary regulate nut 13 spacings, make lever slightly favour balancing weight.The weight of balancing weight is processed into all size in advance by oil-collecting discharge casing volume size.(the weight when generally speaking, the weight of balancing weight approximates oil-collecting discharge casing filled with water.) bearing support 15 is housed on the casing below the balancing weight 12 1, when preventing that lever is uneven, the displacement of balancing weight sinking center of gravity influences sensitivity.Fig. 3 is the structural representation that is contained in the draining control valve 2 of oil-collecting discharge casing below.The water discharging part of this draining control valve is that water inlet 16 and discharge outlet 27 are arranged on the valve body lower seat 17, control section valve rod 23 and valve stamen 20 as valve are arranged on the valve gap 19, the center line of valve rod 2, valve stamen 20 is folded mutually with the gap of valve 24 center lines, and the control section of valve is connected with the water discharging part of limbers 18 and valve.Valve rod 23 leans on mutually with plate washer 14 on the crossbeam 4.One movable diaphragm 26 is housed on the valve insertion of forming between valve gap 19 and the valve seat, the top of diaphragm 26 is placed with support spring 25, has passage 21 on the valve gap 19 at valve insertion top, when valve rod is closed, this passage 21 communicates with gap 24, and this passage 21 communicated with limbers 18 when valve rod 23 was opened.Have steam vent 28 on the valve gap above the limbers 18, this hole is connected with oil-collecting discharge casing 3 by tube connector.During use, open the outer sanction of oily-water seperating equipment and end valve, in water process filter 7 accesss to plant from oil storage tank, the hollow metal tube 5 that enters as lever by water inlet pipe 8 flows to oil-collecting discharge casing 3, owing to constantly increasing, the weight of oil-collecting discharge casing 3 sink to making lever to tilt, the draining control valve 2 and plate washer 14 hypotelorisms of oil-collecting discharge casing 3 belows, valve rod 23 is because plate washer 14 resistance shelves are subjected to active force, valve rod 23 is inwardly advanced, the control section that is valve is closed, the water of oil-collecting discharge casing 3 enters valve seat 17 by water inlet 16, and air and minor amount of water in the valve enter oil-collecting discharge casing 3 from steam vent 28.Simultaneously because after the water inlet, make pressure in the valve seat 17 greater than valve insertion pressure, diaphragm 26 is moved up, promptly diaphragm 26 is opened, the water that water inlet 16 is come in is discharged from draining control valve 2 by discharge outlet 27, outside the discharge outlet discharger by the separator casing.When moving on the diaphragm in addition, the water of valve insertion is discharged from gap 24 by passage 21.After oil storage tank and oil-collecting discharge casing had been arranged, oil entered oil-collecting discharge casing 3, the weight saving of oil-collecting discharge casing, and lever restores balance, and valve rod 23 leaves plate washer 14 with draining control valve 2, because the restoring force of the spring 20 in the valve gap 19 sets back valve rod.Meanwhile, water enters valve insertion by limbers on the valve gap 19 18 and passage 21, and valve insertion pressure is constantly increased, Deng valve insertion pressure during greater than 27 pressure of the discharge outlet on the valve seat 16, diaphragm 26 sets back, because the supporting role of spring 25 is closed discharge outlet 27.When this device was intake again, the oil slick above the oil-collecting discharge casing 3 was got back to again in the outer oil storage tank of device, moves in circles like this and finishes drainage works again and again.

Claims

1, a kind of full-automatic oily-water seperating equipment, it comprises casing (1), oil-collecting discharge casing (3), balancing weight (12), water inlet pipe (8), oil return pipe (6), draining control valve (2), and the lever system that connects oil-collecting discharge casing (3) and balancing weight (12), the lower support of the rotation edge of a knife (9) of lever system is arranged on the crossbeam (4), a plate washer (14) is housed on the crossbeam (4), the control section that it is characterized in that described draining control valve (2) comprises that valve stamen (2) and valve rod (23) are contained on the valve gap (19), water inlet of valve (16) and discharge outlet (27) are located on the valve seat (17), have limbers (18) on valve seat (17) and the valve gap (19), in the valve insertion between valve gap (19) and the valve seat (17) diaphragm (26) is housed, the valve insertion top has passage (21).

2, full-automatic oily-water seperating equipment according to claim 1, an end that it is characterized in that lever system connection oil-collecting discharge casing (3) is hollow metal tube (5), this metal tube (5) communicates with water inlet pipe (8), and insert in the oil-collecting discharge casing (3), the other end of lever system is axostylus axostyle (10), be with spring (11) on the axostylus axostyle (10), and the adjusting nut (13) of regulating balancing weight (12) and rotating the edge of a knife (9) distance is housed.

3,, it is characterized in that the described crossbeam (4) that is contained on the casing (1) is a hollow metal tube according to claim 1,2 described full-automatic oily-water seperating equipments.