CN212334632U - Waste water pipeline structure of oil-water separation system - Google Patents

Abstract

The utility model discloses an oil-water separation system's waste water pipeline structure, including waste water bin, waste water heating jar and profit vaporization knockout drum, waste water heating bottom of the can portion is provided with the four-way pipe, connect waste water heating bottom of the can portion in the four-way pipe, all the other three are waste water pipe, evacuation pipe and return oil pipe, waste water jar intercommunication waste water bin returns oil pipe intercommunication profit vaporization knockout drum's bottom, and evacuation pipe intercommunication is outside, profit vaporization knockout drum's bottom is higher than waste water heating tank's bottom, the utility model discloses can realize integrating the leading-in of oily waste water, circulation and discharge line, make the continuous circulation of realizing in the evaporation process simultaneously, raise the efficiency.

Description

Waste water pipeline structure of oil-water separation system

Technical Field

The utility model belongs to the technical field of waste water separation device, more specifically the waste water pipeline structure that relates to an oil-water separation system that says so.

Background

The oil-water separation is mainly based on the density difference or chemical property difference of water and oil, and utilizes gravity settling principle or other physical and chemical reaction to remove impurities or complete the separation of oil and water.

At present, when a forged part is produced, more oil on the surface of the forged part can leave a factory after being cleaned, and if the oil is directly discharged after being cleaned by clear water, the environment is polluted, a large amount of water resources are wasted, and a set of water recovery system with low cost and high efficiency is needed.

When evaporation is adopted to recover steam water, the current wastewater introduction, circulation and discharge are all connected with the whole system by adopting independent pipelines, so that the pipeline of the whole system is complex, and thorough oil-water separation cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a can realize integrating the leading-in of oily waste water, circulation and discharge pipe, make the continuous circulation of realizing in the evaporation process simultaneously, raise the efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an oil-water separation system's waste water pipeline structure, includes waste water bin, waste water heating jar and oil-water evaporation tank, waste water heating tank bottoms portion is provided with the four-way pipe, a connection waste water heating tank bottoms portion in the four-way pipe, all the other three are waste water pipe, evacuation pipe and return oil pipe, waste water tank intercommunication waste water bin returns oil pipe intercommunication oil-water evaporation tank's bottom, and evacuation pipe intercommunication is outside, oil-water evaporation tank's bottom is higher than waste water heating tank's bottom.

Further the bottom of waste water storage tank is higher than the bottom of waste water heating jar.

And a water pump is arranged on the waste water pipe.

And further valves are arranged on the waste water pipe, the emptying pipe and the oil return pipe.

Further the valve is an electrically operated valve.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the four-way pipe, when wastewater is introduced, the upper valve of the wastewater pipe is opened, the upper valves of the emptying pipe and the oil return pipe are closed, and oily wastewater enters the wastewater heating tank through the wastewater pipe; in the evaporation process, the valve is closed on waste pipe and the evacuation pipe, the valve is opened on returning oil pipe, water evaporation entering profit vaporization knockout drum in waste water heating tank, the same entering of partial oil this moment, steam upwards flows out in by waste water heating tank, the part contains waste water and will fall into the bottom of profit vaporization knockout drum, through returning oil pipe flow back to waste water heating tank in by the evaporation of heating once more, until whole water is evaporated, leave oil in waste water heating tank, open the valve on the evacuation pipe this moment with the oil outflow collect can, the utility model discloses can realize that the separation effect is good, automatic to the profit circulation of not complete separation.

Drawings

FIG. 1 is a three-dimensional structure diagram of an oil-water separation system for waste water generated by cleaning a forging;

FIG. 2 is a front view of an oil-water separation system for waste water generated by cleaning a forging;

FIG. 3 is a cross-sectional view of an oil-water separation system for waste water from forging cleaning;

fig. 4 is a perspective view of the wastewater heating tank (with a part of the heat shield removed).

Reference numerals: 1. a wastewater storage tank; 2. a wastewater heating tank; 21. heating plates; 22. a heat shield; 23. a heater; 201. a first air pipe; 3. an oil-water evaporation separating tank; 31. an electronic thermometer; 32. a pressure gauge; 301. a second air pipe; 4. a steam condensing tank; 41. a condensing plate; 411. wall plates; 412. a middle plate; 42. a support plate; 5. a vacuum machine; 6. a four-way valve; 61. a waste pipe; 62. an oil return pipe; 63. emptying the pipe; 64. a valve; 7. a water pipe; 8. a recovery water tank; 9. a condenser tube.

Detailed Description

The embodiment of the oil-water separation system for waste water generated by the forging cleaning of the present invention is further described with reference to fig. 1 to 4.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The utility model provides an oil-water separation system of forging washing production waste water, includes waste water storage tank 1, is connected with evaporation plant behind waste water storage tank 1, and evaporation plant is including the waste water heating jar 2, profit vaporization knockout drum 3 and the steam condensate tank 94 that connect gradually, be provided with first trachea 201 between waste water heating jar 2 and the profit vaporization knockout drum 3, the top of first trachea 201 one end intercommunication waste water heating jar 2, the other end stretch into 3 middle parts of intercommunication profit vaporization knockout drum, be provided with second trachea 301 between profit vaporization knockout drum 3 and the steam condensate tank 94, the top of second trachea 301 one end intercommunication profit vaporization knockout drum 3, the other end stretches into steam condensate tank 94.

As shown in fig. 1 and 2, in the present embodiment, a four-way pipe 6 is provided at the bottom of the wastewater heating tank 2, wherein one is a return pipe 62 connected to the bottom of the oil-water evaporation separation tank 3, one is a wastewater pipe 61 connected to the wastewater storage tank 1, one is an exhaust pipe 63 connected to the outside, and the other is a body connected to the wastewater heating tank 2, and valves 64 are provided on the wastewater pipe 61, the exhaust pipe 63 and the return pipe 62.

The whole position of the oil-water evaporation and separation tank 3 is higher than the wastewater heating tank 2, the first air pipe 201 is basically horizontal and linear, one end of the first air pipe 201 is communicated to the top of the wastewater heating tank 2, the other end of the first air pipe is communicated with the middle of the oil-water evaporation and separation tank 3, and the preferred first air pipe 201 extends into the central axis of the oil-water evaporation and separation tank 3.

In the embodiment, the oil-water evaporation separation tank 3 adopts electric heating to evaporate and separate oil and water, and has the specific structure that the wastewater heating tank 2 comprises an internal wastewater tank, a heating plate 21 is arranged outside the wastewater tank, a heating interlayer is formed between the heating plate 21 and the wastewater tank, heat conduction oil is filled in the heating interlayer, a heat insulation cover 22 is arranged outside the heating plate 21, and the heating interlayer is connected with a heater 23; wherein have the oil filler hole externally, the oil filler hole communicates to in the heating interlayer, adds the conduction oil through the oil filler hole to the heating interlayer, makes the whole waste water tank of conduction oil parcel, as shown in fig. 4, the preferred temperature sensing resistance heater 23 that adopts of heater 23 makes the conduction oil heat through temperature sensing resistance heater 23, then heats the profit of waste water tank inside, separates heat exchanger 22 and is used for thermal-insulated with the external world, reduces the heat exchange.

In the present embodiment, the heating plate 21 is preferably provided with a raised portion, which is formed by recessing the outer side of the heating plate 21 inward, so as to enhance the strength of the heating plate 21.

The preferred steam condensate tank 94 of this embodiment has a water recovery tank 8 at the bottom, and the water recovery tank 8 is connected to the steam condensate tank 94 through a water pipe 7, and the water pipe 7 is a water pipe for receiving condensate water, and a valve 64 is disposed on the water pipe.

Connect vacuum machine 5 with whole evaporation plant, wherein vacuum machine 5 can be connected at waste water heating tank 2, on profit vaporization knockout drum 3 or the steam condensate tank 94, preferred intercommunication is here on steam condensate tank 94, vacuum machine 5 is used for taking out the negative pressure with whole evaporation plant, make water change the evaporation, steam condensate tank 94 department does not have oil, can avoid vacuum machine 5 to inhale oil and water, the preferred temperature sensor and the pressure sensor of setting up on profit vaporization knockout drum 3 of this embodiment, the preferred adoption electronic thermometer 31 of temperature sensor, pressure sensor adopts electronic pressure gauge 32 or pointer type manometer 32, can also add outside heat preservation at steam condensate tank 94.

In this embodiment, a condenser pipe is preferably disposed in the steam condensing tank 94, two ends of the condenser pipe extend out of the steam condensing tank 94, cooling water is filled in the condenser pipe, the cooling water continuously flows in the condenser pipe to reduce the temperature of the water vapor evaporated in the steam condensing tank 94 and rapidly liquefy the water vapor, and a water pump is connected to a portion of the condenser pipe extending out of the steam condensing tank 94 to drive the circulation of the cooling water.

Preferably, a plurality of condensing plates 41 are further disposed in the steam condensing tank 94, the condensing plates 41 directly contact the condensing pipes, and the condensing plates 41 are obliquely distributed in the steam condensing tank 94. As shown in fig. 3, the condensation plate 41 includes a wall plate 411 and a middle plate 412, one side of the wall plate 411 is fixed on a side wall of the steam condensation tank 94, and the other side of the wall plate extends downward gradually toward an axial direction of the steam condensation tank 94, a support plate 42 is provided on the central axis of the steam condensation tank 94, one side of the middle plate 412 is fixed on the support plate 42, the other side of the middle plate 412 extends downward gradually toward the side wall of the steam condensation tank 94, the wall plate 411 does not contact the support plate 42, the middle plate 412 does not contact the side wall of the steam condensation tank 94, the wall plate 411 and the middle plate 412 are alternately arranged in the vertical direction, the condensation pipe penetrates all the wall plate 411 and the middle plate 412 in sequence, and the second air pipe 301.

In this embodiment, the wall 411 has a ring shape in a plan view, and the middle plate 412 has a circular shape in a plan view.

A guide plate is provided at the bottom of the steam condensate tank 94 to guide the condensate water toward the water pipe.

The working principle is as follows:

1. closing all the valves 64, leading the wastewater to be treated into the wastewater storage tank 1 through a wastewater inlet to be treated, opening the valve 64 on the wastewater pipe 61, and leading the wastewater into the wastewater heating tank 2, wherein the wastewater can actively flow to the wastewater heating tank 2 by adopting the condition that the wastewater storage tank 1 is higher than the wastewater heating tank 2, or adding a water pump on the wastewater pipe 61; the valve 64 on the oil return pipe 62 can also be opened at the same time, and the upper surface of the wastewater introduced into the wastewater heating tank 2 is preferably not more than the bottom of the oil-water evaporation separation tank 3;

2. the valve 64 on the waste water pipe 61 is closed, the vacuum machine 5 is opened, air in the waste water heating tank 2, the oil-water evaporation separation tank 3 and the steam condensing tank 94 is extracted, and the pressure in the oil-water evaporation separation tank 3 is detected to be-1 MPA by the air pressure sensor, so that the whole evaporation device is in a vacuum state, the boiling point of the waste water is reduced, water is evaporated more easily, and the efficiency is improved;

3. the temperature-sensing resistance heater 23 is electrified to heat conducting oil, the heat conducting oil is fully attached to the waste water tank through the heating interlayer, the waste water is heated until boiling, the temperature detected by the temperature sensor is between 90 and 100 ℃, the waste water in the waste water tank is boiled and evaporated and enters the oil-water evaporation separation tank 3 through the first air pipe 201, water vapor enters the steam condensation tank 94 through the second air pipe 301 at the top of the oil-water evaporation separation tank 3 in the oil-water evaporation separation tank 3, and the non-evaporated mixed oil-water returns to the waste water heating tank 2 through the oil return pipe 62 at the bottom of the oil-water evaporation separation tank 3 for cyclic heating until the oil-water is completely separated;

4. the water vapor entering the steam condensation tank 94 meets the cooler condensation pipe and the condensation plate 41 to form water, flows downwards to the bottom through the wall plate 411 and the middle plate 412 in sequence, and finally opens the valve 64 on the clean water pipe to make the condensed water flow into the recovery water tank 8 for recovery, and a water level sensor is preferably arranged in the recovery water tank 8.

After the water is evaporated and recovered, the valve 64 on the emptying pipe 63 is opened to allow the rest oil to flow out and be recovered.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides an oil-water separation system's waste water pipeline structure, includes waste water storage tank, waste water heating jar and oil-water evaporation knockout drum, its characterized in that: the waste water heating tank bottom is provided with the four-way pipe, a connection waste water heating tank bottom in the four-way pipe, all the other three are waste water pipe, evacuation pipe and return oil pipe, waste water tank intercommunication waste water bin returns oil pipe intercommunication oil water evaporation tank's bottom, and evacuation pipe intercommunication is outside, oil water evaporation tank's bottom is higher than waste water heating tank's bottom.

2. The wastewater piping structure of an oil-water separation system according to claim 1, characterized in that: the bottom of waste water bin is higher than the bottom of waste water heating jar.

3. The wastewater piping structure of an oil-water separation system according to claim 1 or 2, characterized in that: and a water pump is arranged on the waste water pipe.

4. The wastewater piping structure of an oil-water separation system according to claim 3, characterized in that: and valves are arranged on the waste water pipe, the emptying pipe and the oil return pipe.

5. The wastewater piping structure of an oil-water separation system according to claim 4, characterized in that: the valve is an electric valve.

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