RU114950U1 - INSTALLATION FOR CLEANING OIL-CONTAINING WASTE WATERS - Google Patents

Abstract

An installation for the purification of oily wastewater, containing a cylindrical container, branch pipes for inlet and outlet of clarified water, inlet of compressed air, outlet for a foam product, a sealed tank connected to the reservoir, equipped with a vacuum device, a heater located under the bottom of the tank, means for removing a foam product, additional a casing, a jacket, characterized in that the cylindrical container is equipped with an additional diaphragm located in its upper part with a through central hole, while the diameter of the hole is greater than the diameter of the compressed air inlet pipe connected by a pipe with a cylindrical washer consisting of solid upper and lower cylindrical bases connected between each other, at least two transverse ribs forming horizontal channels, and the upper base has at least two through holes located between the ribs radially from the center to the generatrix of the upper cylindrical base, and the washer is located and below the level of the inlet pipe, and the outlet pipe for the foam product is located in the body above the transverse spherical diaphragm.

Description

The utility model relates to equipment for the purification of water from petroleum products and can be used at enterprises of the petrochemical industry, as well as the treatment of industrial effluents of engineering structures, wastewater treatment in cities.

A device for cleaning oily wastewater containing sequentially located tanks with a sump, with a coalescence and sorption filter (patent No. 84369 U1, IPC С02F 1/40).

The disadvantage of this device is the insufficient degree of purification of water from petroleum products, as there is a rapid flow of water with petroleum products from one tank to another.

A device for cleaning natural and waste water, including a drive-averager, hydrocyclone, electrochemical, sorption, hydrophobic filter, sludge pads (patent No. 95657 U1, IPC С02F 1/46).

The device also does not provide a sufficient degree of purification of water from oil products, due to the increased flow rate of water through the filters.

The closest analogue of the claimed utility model is a unit containing a cylindrical container body, nozzles for the inlet of the source and outlet of clarified water, the inlet of compressed air, the outlet of the foam product, the sealed tank communicated with the tank, equipped with vacuuming means, a heater located under the bottom of the tank, and means for removing the foam product , additional casing, shirt (patent No. 99479 U1, MPK C02F 1/40).

The disadvantage of this device is the insufficient degree of purification of water from oil products, due to the fact that compressed air is supplied only to the central part of the tank, oil products located on the periphery of the tank do not float and are subjected to secondary mixing with non-clarified water entering through the inlet pipe. In addition, through the outlet pipe, the foam product and clarified water are removed.

The technical result, which is achieved by the claimed utility model, is to eliminate this drawback, namely increasing the degree of purification of water from oil products.

The technical result is achieved by the fact that the installation for cleaning oily wastewater containing a cylindrical tank, nozzles for the input of the source and the outlet of clarified water, the entrance of compressed air, the output of the foam product, a sealed tank equipped with a vacuum system, a heater located under the bottom of the tank, means connected to the tank the removal of the foam product, an additional casing, a shirt, in contrast to the prototype, a cylindrical container is provided, located in its upper part of an additional transverse spherical aphragm, with a through central hole, wherein the diameter of the hole is larger than the diameter of the compressed air inlet pipe connected to the pipe with a cylindrical washer, consisting of continuous upper and lower cylindrical bases, interconnected by at least two transverse ribs forming horizontal channels, the upper base has at least two through holes located between the ribs radially from the center to the generatrix of the upper cylindrical base, and the washer is located below the level the inlet pipe, and the foam outlet pipe is placed in the housing above the transverse spherical diaphragm.

The presence of an additional transverse spherical diaphragm, with a through central hole, the diameter of which is greater than the diameter of the compressed air inlet pipe, helps to separate the foam product from the water in the tank, which increases the degree of purification of water from oil products.

Since the cylindrical washer consists of continuous upper and lower cylindrical bases, interconnected by at least two transverse ribs forming horizontal channels, the upper base having at least two through holes located between the ribs radially from the center to the generatrix of the upper cylindrical base , then compressed air passing through a compressed air inlet pipe connected to a cylindrical washer enters its horizontal channels and through holes (at least a) placed on the upper cylindrical base radially from the center to the generator that contributes to the fact that the distribution of compressed air bubbles throughout the volume of the fluid being treated is uniform, intensifies the process of flotation froth product formation and increases the degree of purification of water from petroleum.

Since the outlet pipe of the foam product is placed in the housing above the transverse spherical diaphragm, the foam product is removed from the tank in a timely manner, which also increases the degree of purification of water from oil products.

Thus, the essential features of the distinctive part of the formula have a direct impact on the technical result, which consists in increasing the degree of purification of water from oil products.

A search conducted by the sources of patent and scientific and technical information showed that the proposed utility model is not known from the prior art, that is, meets the criterion of "novelty."

Figure 1 shows a longitudinal section, figure 2 section aa, figure 3 section bb.

A device for purifying water from petroleum products, contains a cylindrical container body 1, nozzles of the inlet 2 of the source and the outlet 3 of clarified water, the inlet of compressed air 4, the outlet of the foam product 5, the airtight tank 6 connected to the tank, the vacuum chamber 7, the heater 8, the foam product removal means 9, an additional casing 10, a jacket 11, an additional transverse spherical diaphragm 12, a through central hole 13, a pipe 14, a cylindrical washer 15, consisting of continuous upper 16 and lower 17 cylindrical bases, transverse ribs 18, mountains zontally channels 19, two through holes 20, radially arranged from the center to the upper generatrix of the cylindrical base 16.

A device for purifying water from petroleum products, works as follows.

Waste water with oil products through the inlet pipe 2 fills the cylindrical body of the tank 1. At the same time, from the compressor (not shown) through the inlet pipe 4, the connecting pipe 14, compressed air enters the washer 15, located below the level of the water inlet pipe. Through horizontal channels 19, consisting of continuous upper 16 and lower 17 cylindrical bases and transverse ribs 18, compressed air enters the periphery of the inner walls of the container 1. At the same time, compressed air through the through holes 20 of the upper base of the washer enters the central parts of the container 1, where flotation of petroleum products also occurs.

In the tank 1, petroleum products with compressed air particles form a foam product, which has a lower specific gravity than water, rises (floats) and through the through central hole 13 of the diaphragm 12 enters the internal cavity formed by the walls of the tank and the diaphragm. Through outlet 5, the foam product is discharged from the internal cavity. Oil products that are not “swallowed” in tank 1, through an overflow pipe, an additional casing 10 enters. At the same time, heating medium (steam, heated water) is supplied to the heater 8, located in the lower part of the tank 6. When heated, dipoles of heated water move faster than dipoles of heated water with petroleum products coming from tank 1. This process contributes to the formation of a foam product and its flotation through a jacket 11 to the top of the tank 6. Through the drainage means 9, the foam product is removed from the tank 6 into the tank collecting foam, located below the tank 6, to enhance the flotation process, the upper part of the tank 6 is connected to the vacuum cleaner 7.

A prototype installation for the treatment of oily wastewater is installed in the workshop for the production of bitumen. Studies have shown that when using this installation, the degree of water purification reaches 99.4%.

Claims (1)

Installation for purification of oily wastewater containing a cylindrical container, nozzles for the inlet of the source and outlet of clarified water, the inlet of compressed air, the outlet of the foam product, a sealed tank connected to the tank, equipped with a vacuum system, a heater located under the bottom of the tank, a foam product removal means, an additional a casing, a shirt, characterized in that the cylindrical container is equipped with an additional diaphragm located in its upper part with a through central hole, the diameter of the hole The hole is larger than the diameter of the compressed air inlet pipe, connected by a pipe to a cylindrical washer, consisting of continuous upper and lower cylindrical bases, interconnected by at least two transverse ribs forming horizontal channels, and the upper base has at least two through holes located between the ribs radially from the center to the generatrix of the upper cylindrical base, and the washer is located below the level of the inlet pipe, and the outlet pipe of the foam product is placed in the housing above the transverse spherical diaphragm.