CN216378089U

CN216378089U - Lubricating oil purification device

Info

Publication number: CN216378089U
Application number: CN202123362557.4U
Authority: CN
Inventors: 王朝
Original assignee: PUREACH TECH (BEIJING) Ltd
Current assignee: PUREACH TECH (BEIJING) Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-04-26
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a lubricating oil purification device which sequentially comprises a filter, an acid removal regenerator, a heater, an oil-water separator and an oil storage tank according to a purification sequence, wherein a preheater is arranged between the acid removal regenerator and the heater, the preheater comprises a shell and a coil pipe positioned in the shell, a hot oil inlet and a hot oil outlet are formed in the shell, the hot oil inlet is connected with the oil-water separator, the hot oil outlet is connected with the oil storage tank, and lubricating oil separated by the oil-water separator enters the preheater through the hot oil inlet to preheat the lubricating oil in the coil pipe. The two ends of the coil pipe extend out of the shell, the outlet of the coil pipe is connected with the heater, and the lubricating oil after acid removal enters the preheater through the inlet of the coil pipe. The device solves the problems of large occupied area and inconvenient operation caused by the fact that a plurality of devices are used for purification in the prior art, reduces energy consumption by recycling heat, saves cost and improves purification efficiency.

Description

Lubricating oil purification device

Technical Field

The utility model relates to the field of oil treatment, in particular to a lubricating oil purification device.

Background

The oil products and grades of the oil used at each lubricating part of the power plant are different, the qualified standards of the oil products are different, and the most common qualified indexes of the oil products are as follows: granularity, water content in oil, gas content in oil and acid content in oil. According to different lubrication parts, each part uses oil to have requirements on one or more indexes. Different oil filters are correspondingly developed according to different oil indexes of each part. The more the power plant has to meet the requirements of various indexes of oil products, the more complex the structural design of the oil filter is.

In order to purify the lubricating oil, different devices are needed to complete the steps of acid removal, impurity removal and water discharge, and a plurality of devices need to be independently controlled, so that a large amount of working hours are consumed; the maintenance of the equipment takes a long time.

And the effluent is generally separated under the vacuum condition by using different boiling points of oil and water, the effluent needs to be heated before separation, relatively less water vapor after heating can be treated by condensation and then discharged, and the lubricating oil with residual temperature needs to be cooled by self, so that the waiting time is longer, and the purification efficiency is low.

In order to solve the above-mentioned problems, a new apparatus is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a lubricating oil device, which solves the problems of large occupied area and inconvenient operation caused by the use of a plurality of devices for purification in the prior art, reduces energy consumption by recycling heat, saves cost and improves purification efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a lubricating oil purifying device comprises a filter, an acid removal regenerator, a heater, an oil-water separator and an oil storage tank in sequence according to a purifying sequence, wherein a preheater is arranged between the acid removal regenerator and the heater,

the preheater comprises a shell and a coil pipe positioned in the shell, wherein a hot oil inlet and a hot oil outlet are formed in the shell, the hot oil inlet is connected with an oil-water separator, the hot oil outlet is connected with an oil storage tank, and lubricating oil separated by the oil-water separator enters the preheater through the hot oil inlet to preheat the lubricating oil in the coil pipe.

The two ends of the coil pipe extend out of the shell, the outlet of the coil pipe is connected with the heater, and the lubricating oil after acid removal enters the preheater through the inlet of the coil pipe.

The device disclosed by the utility model integrates the filter, the deacidification regenerator, the heater and the oil-water separator together, and realizes the purification steps of removing impurities, deacidification and water.

The lubricating oil that the area was purified carries out primary filter through the filter earlier, then removes acid through removing the acid regenerator again, and the lubricating oil after removing the acid enters into the heater and heats, separates through oil water separator, has obtained pure lubricating oil after the separation, and lubricating oil this moment has the temperature moreover, and prior art's device can after cooling down by oneself. The pre-heater that this device set up can use the lubricating oil that has the waste heat to preheat for the lubricating oil that enters into in the pre-heater raises the temperature, has improved the efficiency of heating after the reentrant heater, and the lubricating oil that has the waste heat in addition carries out cooling rapidly after the heat transfer, need not cool off to the room temperature. And the device can use automatic control.

Compared with the prior art, the utility model has the following technical effects:

1. the device has the advantages that various devices are integrated, occupied areas of the devices are reduced, and the problems that the devices have multiple steps and are inconvenient to operate are solved.

2. Through the added pre-heater, the temperature of the lubricating oil before entering the heater is improved, the heating efficiency is improved, and the purification efficiency is greatly improved.

3. The temperature of the lubricating oil is rapidly reduced through a heat exchange mode, and the efficiency of purifying the lubricating oil is improved.

Drawings

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic diagram of a preheater according to the present invention;

FIG. 3 is a schematic view of the separator structure of the present invention.

In the figure, a filter 1, an acid removal regenerator 2, a heater 3, an oil-water separator 4, an oil storage tank 5, a preheater 6, a prestoring tank 7, a water tank 8, a tank 41, a spray nozzle 42, an oil storage cavity 43, a condenser 44, an evaporator 45, an annular water tank 46, a water collection cover 47, a partition plate 48, a first liquid level meter 431, a dehumidifier 451, a second liquid level meter 461, a housing 61, a coil 62, a hot oil inlet 611, a hot oil outlet 612, a coil outlet 621, a coil inlet 622 and a third liquid level meter 701 are arranged.

Detailed Description

As shown in fig. 1-3, the lubricating oil purifying device comprises a filter 1, an acid removal regenerator 2, a heater 3, an oil-water separator 4 and an oil storage tank 5 in sequence according to the purifying sequence, wherein a preheater 6 is arranged between the acid removal regenerator 2 and the heater 3,

the preheater 6 comprises a shell 61 and a coil 62 positioned in the shell 61, the shell 61 is provided with a hot oil inlet 611 and a hot oil outlet 612, the hot oil inlet 611 is connected with the oil-water separator 4, the hot oil outlet 612 is connected with the oil storage tank 5, and the lubricating oil separated by the oil-water separator 4 enters the preheater 6 through the hot oil inlet 611 to preheat the lubricating oil in the coil 62.

The two ends of the coil 62 extend out of the shell 61, the coil outlet 621 is connected with the heater 3, and the lubricating oil after acid removal enters the preheater 6 through the coil inlet 622.

The oil-water separator 4 includes a tank 41, a cooling unit located at an upper portion of the tank 41, a spray nozzle 42 located inside the tank 41, a water collecting unit located above the spray nozzle 42, an oil film unit located below the spray nozzle 42, and an oil storage chamber 43 located below the oil film unit.

The oil film assembly comprises a plurality of partition plates 48 which are adjacent up and down, each partition plate 48 is provided with a plurality of small holes, and the small holes between two adjacent partition plates 48 are not aligned.

The water collecting assembly comprises an annular water tank 46 and a water collecting cover 47 positioned above the annular water tank 46, the annular water tank 46 is connected with the tank body 41 of the oil-water separator 4, the water collecting cover 47 is umbrella-shaped, one side of the arch is upward, and the edge of the water collecting cover 47 extends to the upper side of the annular water tank 46.

The oil storage chamber 43 is provided with a first liquid level gauge 431, and the water tank 8 is provided with a second liquid level gauge 461.

The cooling assembly includes an evaporator 45, a condenser 44, a pump, and a dehumidifier 451 to prevent moisture of the outside air.

A pre-storage tank 7 is also arranged, and the pre-storage tank 7 is arranged between the deacidification regenerator 2 and the pre-heater 6.

The prestoring tank 7 is provided with a third liquid level meter 701.

The working principle is as follows: the lubricating oil is subjected to impurity removal through a filter 1 and then enters an acid removal regenerator 2 for acid removal. Since the time required for the deacidification step is longer than that required for other steps, a pre-storage tank 7 is arranged behind the deacidification regenerator 2 for pre-storing the deacidified lubricating oil. The oil is fed from the pre-storage tank to the pre-heater 6, and when the oil-water separator 4 does not separate the lubricant oil, the pre-heater 6 does not function, so that the pre-heating cannot be performed when the device is started. Lubricating oil enters the coil 62 from the coil inlet 622 of the preheater 6, then flows out of the preheater 6 through the coil outlet 621, enters the heater 3, enters the oil-water separator 4 after being heated, is sprayed into the tank 41 of the oil-water separator 4 through the spray nozzle 42, water vapor upwards meets the water collection assembly, meets the evaporator 45 through the gap between the water collection cover 47 and the annular water tank 46 to be condensed into water, drops on the arched side of the water collection cover 47, slides downwards to the annular water tank 46, and is discharged into the water tank 8 when reaching a certain water amount. The lubricating oil dropping downward meets the oil film component, and an oil film is formed on the partition plate 48, so that the area of evaporating water is increased, and the dehydration is more thorough. The partitions 48 are in plurality and the apertures in adjacent partitions 48 are not aligned. After passing through the oil film assembly, the lubricant enters the oil storage chamber 43, then enters the preheater 6 under the action of a pump, enters the housing 61 of the preheater 6 from the hot oil inlet 611, soaks the coil 62, preheats the lubricant in the coil 62, and simultaneously the temperature of the lubricant in the housing 61 of the preheater 6 is reduced, and flows out of the preheater 6 from the hot oil outlet 612 to enter the oil storage tank 5.

In order to enable automatic control, the oil storage chamber 43 is provided with a first liquid level gauge 431, the annular water tank 46 is provided with a second liquid level gauge 461, the prestoring tank 7 is provided with a third liquid level gauge 701, and whether the next operation is carried out or not is measured according to the liquid level.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lubricating oil purifier, includes filter (1), deacidification regenerator (2), heater (3), oil water separator (4) according to purifying order in proper order, oil storage tank (5), its characterized in that: a preheater (6) is arranged between the deacidification regenerator (2) and the heater (3),

the preheater (6) comprises a shell (61) and a coil (62) positioned in the shell (61), wherein a hot oil inlet (611) and a hot oil outlet (612) are formed in the shell (61), the hot oil inlet (611) is connected with the oil-water separator (4), the hot oil outlet (612) is connected with the oil storage tank (5), and lubricating oil separated by the oil-water separator (4) enters the preheater (6) through the hot oil inlet (611) to preheat the lubricating oil in the coil (62);

the two ends of the coil pipe (62) extend out of the shell (61), the coil pipe outlet (621) is connected with the heater (3), and lubricating oil after acid removal enters the preheater (6) through the coil pipe inlet (622).

2. The lubricating oil purification apparatus according to claim 1, characterized in that: the oil-water separator (4) comprises a tank body (41), a cooling assembly positioned at the upper part of the tank body (41), a spray nozzle (42) positioned in the tank body (41), a water collecting assembly positioned above the spray nozzle (42), an oil film assembly positioned below the spray nozzle (42), and an oil storage cavity (43) positioned below the oil film assembly.

3. The lubricating oil purifying apparatus according to claim 2, characterized in that: the oil film assembly comprises a plurality of partition plates (48) which are adjacent up and down, each partition plate (48) is provided with a plurality of small holes, and the small holes between two adjacent partition plates (48) are not aligned.

4. A lubricating oil purifying apparatus as claimed in claim 3, characterized in that: the water collecting assembly comprises an annular water tank (46) and a water collecting cover (47) located above the annular water tank (46), the annular water tank (46) is connected with the oil-water separator (4) tank body (41), the water collecting cover (47) is umbrella-shaped, one side of the arch is upward, and the edge of the water collecting cover (47) extends to the position above the annular water tank (46).

5. The lubricating oil purifying apparatus according to claim 4, characterized in that: a first liquid level meter (431) is arranged on the oil storage cavity (43).

6. The lubricating oil purifying apparatus according to claim 5, characterized in that: the cooling assembly includes an evaporator (45), a condenser (44), and a dehumidifier (451) that prevents moisture from outside air.

7. The lubricating oil purifying apparatus according to any one of claims 1 to 6, characterized in that: a pre-storage tank (7) is also arranged, and the pre-storage tank (7) is arranged between the deacidification regenerator (2) and the preheater (6).

8. The lubricating oil purifying apparatus according to claim 7, characterized in that: and a third liquid level meter (701) is arranged on the prestoring tank (7).