CN2870941Y - Oil-collecting oil and water separator - Google Patents

Abstract

The utility model designs an oil-water separation device on the occasion of liquid mixture with oily constituents, in particular to an oil-collecting oil and water separator for treating oily wastewater or sewage, wherein the two ends of the shell of the box structure are provided with an inlet pipe and an outlet pipe, the lateral body is provided with oil exit pipes in turns, the inlet opening in the shell is provided with a water distributor, the opposite side of the water distributor is provided with a collision oil-accumulating screen, the middle part in the shell is provided with a high-molecule stuffing oil-accumulating layer and a resin filtering layer and one side of the resin filtering layer near the inlet pipe in the shell is provided with one-way valve flow plate and coupled with an electric motor. The utility model adopts fluid force and mechanical force to extrude, with high oil suction efficiency. The utility model has the advantages of simple structure, reliable principle, low manufacturing cost and long service life.

Description

Poly-oily formula oil water separator

Technical field:

The utility model relates to the especially oily-water seperating equipment under the mixture occasion of water of a kind of liquid that is applied to contain oily composition, particularly a kind of poly-oily formula oil water separator that is used to handle oily waste water.

Background technology:

The highest permission concentration of emission of country's " integrated wastewater discharge standard " GB8978-1996 PetroChina Company Limited.'s wastewater from chemical industry pollutant: oil＜10mg/L, plant class＜20mg/L.

Oily waste water be mainly derived from petroleum industry oil recovery, oil refining, store oil, transportation and petrochemical industry industry, oil tanker inner boat water, wash Chuan Shui, oil truck steam wash, mechanical industry, coking, steel rolling, gas generating station, food industry, meat packing, fur processing, industrial waste oil regeneration, lubricating oil manufacturing, soap and synthetic detergent industry etc.Oil-polluted water destroys the water body sanitary condition, makes the glassware for drinking water frowziness, can not drink.Every dropstone oil can cause 0.25 square metre oil film, makes atmosphere and water isolated, destroys normal reoxygenation condition, influences the self-purification capacity of water body, destroys vegeto-animal ecological environment in the water body, causes death when serious.Use oily waste water to irrigate crops, can destroy the physico-chemical property of soil, be unfavorable for the growth of the seedlings of cereal crops, cause crop production reduction even death.Oil content exists with three kinds of states in water body, and first kind is oil slick, and it is present in the water with larger particles, plays pendulum, and severe is littler than water, can utilize severe difference separator to separate from water.Second kind of state is oil emulsion, and it is difficult to it is separated with general oil removal device to be suspended in the water than granule.The third state is a dissolved oil, separates more difficult.Existing full-bodied paraffin oil, heavy oil have oil emulsion again in the oil oily waste water.The difference in specific gravity of high viscosity oil and water seldom can not be separated oily waste water with severe difference separator.Industrial in the past processing oily waste water often adopts oil interceptor, flotation to divide device processes oily waste waters such as oil tank, canister, because these facility investments are bigger, the plant area area is big, the processing quality is restricted, cause processing water to contain innage (30mg/L～50mg/L), cause the waste water oil content of multipurpose oil place discharging perhaps to exceed standard.

Summary of the invention:

Goal of the invention of the present utility model is to overcome the shortcoming that exists when existing oil interceptor, flotation are divided device processes oily waste water (sewage) such as oil tank, canister, seek to provide a kind of poly-oily formula oil water separator, this separator can remedy the complex structure of prior art and device, floor space is big, drops into shortcomings such as many.

The poly-oily formula oil water separator that the utility model relates to, its main body comprise housing, water inlet, water-locator, the poly-oily net of collision, the poly-oil reservoir of polymer carrier, resin filtering layer, check valve stream plate, oil exit pipe, delivery port and motor.The housing two ends of case structure are shaped on water inlet pipe and outlet pipe respectively, on lateral body, be shaped on a plurality of oil exit pipes successively, inlet end is connected to water-locator in housing, the water-locator offside is shaped on the poly-oily net of the collision of being made up of the multilayer net, the mesh of the poly-oil net of multilayer is descending successively, assembling the not oil body of homogeneity degree, in the housing in the middle of the place be shaped on poly-oil reservoir of polymer carrier and resin filtering layer respectively, in the housing side of the resin filtering layer of nearly water outlet pipe end be shaped on check valve stream plate and with the motor interlock.Handled waste water (sewage) can be discharged respectively by three oil exit pipes that are formed on the difference after gathering oil reservoir and resin filtering layer through the poly-oily net of collision, polymer carrier, reaches the effect of profit hierarchical multi-layer separation.The poly-oily net of collision in the housing, the poly-oil reservoir of polymer carrier are communicated with the fluid line of the residing space of resin filtering layer through backpulsing.

The utility model can be handled any oily waste water, adopt fluid force and mechanical force to make a concerted effort in check valve stream plate, mechanical presses high resiliency resin filtrate, regeneration thoroughly, oil suction efficient height, life cycle is long, has well solved conventional solid filtrate, the fluid repercussion effect is bad, adsorption efficiency runs down disadvantage.

Description of drawings:

Fig. 1 is an agent structure principle schematic of the present utility model.

The specific embodiment:

When implementing, the utility model can select for use metal or plastic material to be processed into the one of case structure.Housing 1 two ends of case structure are shaped on water inlet pipe 2 and outlet pipe 9 respectively, on lateral body, be shaped on 3 oil exit pipes 8 successively, water inlet 2 terminations have water-locator 3 in housing 1, water-locator 3 offsides are shaped on the poly-oily net 4 of the collision of being made up of 2-5 layer net, the mesh of the poly-oily net 4 of multilayer collision is descending successively, to assemble the not oil body of homogeneity degree, the place is shaped on poly-oil reservoir 5 of polymer carrier and resin filtering layer 6 respectively in the middle of in the housing 1, in the housing 1 side of the resin filtering layer 6 of nearly outlet pipe 9 ends be shaped on check valve stream plate 7 and with motor 10 interlocks.Handled waste water (sewage) can be discharged respectively by three oil exit pipes 8 that are formed on the difference after gathering oil reservoir 5 and resin filtering layer 6 through the poly-oily net 4 of collision, polymer carrier, reaches the effect of profit hierarchical multi-layer separation.The poly-oily net 4 of collision in the housing 1, the poly-oil reservoir 5 of polymer carrier are communicated with the fluid line of resin filtering layer 6 residing spaces through backpulsing.

When using the utility model, oily waste water enters in the housing 1 by water inlet pipe 2 with certain speed and bumps with the poly-oily net 4 of collision, tiny oil droplets is accumulated on the poly-oily net 4 of collision, and online oil droplet grows to a certain degree, just can reach the purpose of preliminary water-oil separating by the severe difference.The poly-oily net 4 of collision is made up of 2-5 net, present embodiment adopts 3 nets, and their mesh is descending, and the waste water that contains a large amount of sump oils pumps in the mesh members of different densities, high viscosity oil droplet in the waste water, suspended solid are through multistage mesh, with the net collision, cohesion is grown up, and forms the sump oil layer, by the density contrast come-up, can discharge from the oil exit pipe 8 that is contained in housing 1 top, this step has been finished the separation of high viscosity oil, suspension, i.e. first order water-oil separating.When the oil emulsion in the waste water gathers oil reservoir 5 by polymer carrier, the particulate oil droplet is accumulated on the polymer carrier surface of oleophylic, thereby grow up hundreds of times,, rise to oil exit pipe 8 and discharge, so far finish second level water-oil separating by gravitational difference.The waste water of finishing after the water-oil separating of the second level passes a high resiliency resin filtering layer 6 again, this filtering layer adopts the filtering material (high resiliency resin) of oleophylic, hydrophobic to make, can adsorption filtration remaining oil or fat particles in the profit, the water purification of being discharged by outlet pipe 9 is lower than the discharge standard of national oil-polluted water.

The utility model in use for some time, can make times over the waste water flow velocity fluid (water, gas) by the recoil fluid hose from the outlet pipe 9 reverse housings 1 that enter, it at first impacts the check valve of closing check valve stream plate 7, cause check valve stream plate 7 under fluid force and mechanical force (motor 10) effect, compressing high resiliency resin filtering layer 6, the oil droplet in the extrusion resin; Regulate that the poly-oil of recoil fluid makes the recoil fluid enter second successively, one-level water-oil separating parts wash away, clean the poly-oil reservoir 5 of polymer carrier, collision gathers the greasy filth on the oily net 4, discharge from the water inlet pipe 2 of poly-oily formula oil water separator, finished the recoil task in several minutes, waste water oil water separator operation is got back in manual or automatic switchover.The poly-oil reservoir 5 of described polymer carrier gathers oily net 4 residing spaces by being communicated with the recoil fluid line with high resiliency resin filtering layer 6 and collision, constitutes the recoil passage of fluid.

Claims (3)

1, a kind of poly-oily formula oil water separator, the housing two ends that it is characterized in that case structure are shaped on water inlet pipe and outlet pipe respectively, on lateral body, be shaped on oil exit pipe successively, inlet end is connected to water-locator in housing, the water-locator offside is shaped on the poly-oily net of collision, the place is shaped on poly-oil reservoir of polymer carrier and resin filtering layer respectively in the middle of in the housing, in the housing side of the resin filtering layer of nearly water outlet pipe end be shaped on check valve stream plate and with the motor interlock.

2, poly-oily formula oil water separator according to claim 1 is characterized in that colliding poly-oily net and is made up of the 2-5 layer, and its mesh is descending successively.

3, poly-oily formula oil water separator according to claim 1 is characterized in that the poly-oily net of collision, the poly-oil reservoir of polymer carrier in the housing is communicated with the residing space of resin filtering layer.

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