CN207775176U - A kind of control system of drain oil recovery equipment - Google Patents

Abstract

The utility model discloses a kind of control systems of drain oil recovery equipment, the control system includes the first oil pump for being delivered to the waste oil in coarse filtration tank in gun barrel, the second oil pump for being delivered to the waste oil in gun barrel in settling tank, third oil pump for being delivered to the waste oil in settling tank in refined filtration pond, motor for driving the iron remover in gun barrel, the heating tube being set in gun barrel, the drain valve being connected to water-oil separating pot bottom, it is set to the first liquid level gauge of coarse filter, it is set to the second liquid level gauge of gun barrel, it is set to the third liquid level gauge of settling tank, and controller.The control system of drain oil recovery equipment provided by the utility model improves waste oil disposal quality, improves the degree of automation of operation.

Description

A kind of control system of drain oil recovery equipment

Technical field

The utility model is related to waste oil recovery technology field, more particularly to a kind of control system of drain oil recovery equipment.

Background technology

In the prior art, lubricating oil is replaced after a period of use, and the waste oil replaced would generally be direct Drain, some users can carry out waste oil simple water-oil separating and filtering to recycle.But water removal, removal of impurities The effect is unsatisfactory, it is difficult to meet and require between waste oil.The underproof waste oil of quality inspection is recycled and reused for lubrication machine, exists greatly Hidden danger.

As it can be seen that the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide the controls of drain oil recovery equipment System, it is intended to solve water removal in waste oil removal process in the prior art, impurity-eliminating effect difference technical problem, and improve waste oil and recycle The degree of automation of processing.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of control system of drain oil recovery equipment includes for the waste oil in coarse filtration tank to be delivered in gun barrel The first oil pump, for the waste oil in gun barrel to be delivered to the second oil pump in settling tank, for will be in settling tank Waste oil is delivered to the third oil pump in refined filtration pond, and the motor for driving the iron remover in gun barrel is set to grease point From the heating tube in tank, the drain valve being connected to water-oil separating pot bottom is set to the first liquid level gauge of coarse filter, is set to oil The second liquid level gauge of water separation tank is set to the third liquid level gauge and controller of settling tank；First oil pump, the second oil Pump, third oil pump, motor, heating tube, drain valve, first liquid level gauge, second liquid level gauge and third liquid level gauge respectively with controller It is electrically connected.

The control system of the drain oil recovery equipment further includes the viscosimeter being arranged in water-oil separating pot bottom, this is viscous Degree meter is electrically connected with controller.

The control system of the drain oil recovery equipment, including the temperature sensor that is arranged in gun barrel, the temperature Sensor is spent to be electrically connected with controller.

3 heating tubes, each heating are provided in the control system of the drain oil recovery equipment, in gun barrel altogether Pipe is electrically connected by a power governor 231 and controller respectively

In the control system of the drain oil recovery equipment, the controller is PLC.

Advantageous effect：

The utility model provides a kind of control system of drain oil recovery equipment and realizes automatically compared with prior art Waste oil is pumped to from coarse filtration tank in gun barrel, after removing iron, static layering, draining and heating water removal, by waste oil It pumps again into settling tank, waste oil is pumped after sedimentation cleans and further filtered into refined filtration pond again, to improve waste oil Water removal, except iron, deimpurity effect, due to high degree of automation, and improve work efficiency, it is strong to reduce worker's labour Degree.

Description of the drawings

Fig. 1 is the structural schematic diagram of drain oil recovery equipment provided by the utility model.

Fig. 2 is the schematic front view of oily-water seperating equipment in drain oil recovery equipment provided by the utility model.

Fig. 3 is the schematic top plan view of oily-water seperating equipment in drain oil recovery equipment provided by the utility model.

Fig. 4 is the stereoscopic schematic diagram of iron remover in drain oil recovery equipment provided by the utility model.

Fig. 5 is the floor plan of each bar magnet in iron remover in drain oil recovery equipment provided by the utility model.

Fig. 6 is the round bar of iron remover and the connection diagram of top plate in drain oil recovery equipment provided by the utility model.

Fig. 7 is in drain oil recovery equipment provided by the utility model, and the threaded hole of round bar bottom end three of iron remover opens up Schematic diagram.

Fig. 8 is the schematic top plan view of coarse filtration tank in drain oil recovery equipment provided by the utility model.

Fig. 9 is the stereoscopic schematic diagram in refined filtration pond in drain oil recovery equipment provided by the utility model.

Figure 10 is the schematic top plan view in refined filtration pond in drain oil recovery equipment provided by the utility model.

Figure 11 is the stereoscopic schematic diagram for the press box in refined filtration pond in drain oil recovery equipment provided by the utility model.

Figure 12 is the structure diagram of the control system of drain oil recovery equipment provided by the utility model.

Specific implementation mode

The utility model provides a kind of control system of drain oil recovery equipment, to make the purpose of this utility model, technical side Case and effect are clearer, clear, and the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should manage Solution, specific embodiment described herein only to explain the utility model, are not used to limit the utility model.

Referring initially to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of drain oil recovery equipment.In Fig. 1 and it is not drawn into each Valve on a pipeline, be also not drawn into each container drains the components such as valve.When practical application, it can be arranged as required to relevant Valve.

The drain oil recovery equipment includes by the sequentially connected coarse filtration tank 1 of pipeline, the first oil pump 51, water-oil separating dress Set the 2, second oil pump 52, settling tank 3, third oil pump 53 and refined filtration pond 4；The oily-water seperating equipment 2 includes chassis 21, if The gun barrel 22 on chassis is set, the bottom of gun barrel inner cavity is provided with heating tube 23（Three have schematically been drawn in Fig. 2 A heating tube, but do not limit the number and shape of heating tube）, water-oil separating pot bottom is connected with an outlet 27, There are one drain valves 271 for setting on the outlet；Head cover 221 there are one connecting to gun barrel top side detachable, the head cover On downwards setting there are one motor 24, the main shaft of the motor stretch into gun barrel and connection there are one iron removers 25； The head cover is equipped with exhaust outlet 2213；Be provided with a transparent pipe 26 outside the side wall of gun barrel, the transparent pipe it is upper and lower Both ends are connected to the top of gun barrel inner cavity and bottom respectively；The input end of gun barrel 22 is connected to by pipeline The outlet end of one oil pump 51；The outlet end of gun barrel 22 is connected to the input end of the second oil pump 53 by pipeline.Such as Fig. 3 institutes Show, for the ease of processing, trepanning 2211 is as input end on water-oil separating top ends of cans, and trepanning 2212 is as outlet end, pipeline Directly gun barrel inner cavity is inserted into from the two trepannings.

In practical application, waste oil to be reused（Used herein refer to lubricating oil）It can be by manually using gun barrel The mode of transhipment is poured into coarse filtration tank, can also be herein not construed as limiting by being delivered in coarse filtration tank with oil pump.

When work, waste oil is sent into coarse filtration tank and is tentatively filtered, and is pumped to grease point by the first oil pump after removing granule foreign Iron remover rotation certain time is driven to carry out removing iron from motor in the gun barrel of device, is started；Then one section of static layering Time opens drain valve and discharges water in transparent pipe it is observed that after apparent layering（The density of water is big, is located at lower layer）Until point Stratum boundary line reaches water-oil separating pot bottom；The heating tube for opening water-oil separating pot bottom carries out heating a period of time, residual in oil reservoir The moisture stayed is evaporated from the exhaust outlet of gun barrel and is discharged；The second oil pump is opened to pump the waste oil after water removal to settling tank In static a period of time by the contamination precipitation in oil；Third oil pump pumps the waste oil after static removal of impurities into refined filtration pond further Filtering.It can be seen that by repeatedly cleaning and except iron, static layering draining, heating remove water in the utility model, to carry The effect of high waste oil removal of impurities, water removal, convenient for recycling；In addition, oily-water seperating equipment provided by the utility model does not need Condenser is added, does not also need external consumption external source, and can realize the iron filings in removal waste oil.

Referring to Fig. 8, the tank deck of coarse filtration tank is opened up there are one oil inlet, oil inlet is covered with one layer of strainer 11.Waste oil is logical Granule foreign can be removed when the strainer of oil inlet.Shown in Fig. 8, strainer is pressed by a press box 12 similar with oil inlet mouth-shaped To cover oil inlet on the tank deck of coarse filtration tank.In the figure though it is shown that cross section of coarse filtration tank is circle, oil inlet and pressure Frame is arch, but is not used to be defined in this, even if being set as other shapes and changing the essence of technical side.

The specific setting of oily-water seperating equipment described further below.

Further, water-oil separating pot sidewall is provided with temperature sensor 914, which stretches into gun barrel Inner cavity.By the way that temperature sensor is arranged, it can be controlled in certain temperature range when being heated convenient for waste oil, avoid overheating.

For the ease of connection, the side wall of gun barrel, which corresponds to, is connected separately with an angle coupling at the both ends of transparent pipe 261, two angle couplings 261 are inserted at the both ends of transparent pipe 26 respectively.

Further, the exhaust outlet of head cover is covered with one layer of oil absorbent material（It is not shown in figure）.Due to meeting when vapor is discharged The oil gas lacked is taken away, oil suction may be implemented by the way that oil absorbent material is arranged, that is, avoid pollution air, it can also be to the waste oil of collection It is reused.

Fig. 4 to Fig. 7 is please referred to, description the provided iron remover of the utility model is provided.

The iron remover includes the bar magnet 253 of top plate 251, bottom plate 252 and several connection top plates and bottom plate；Institute It states the upper surface of top plate and is vertically equipped with a round bar 254, set that there are one keyways 2541 on round bar at adjacent top end.Above-mentioned bar magnet It is that permanent magnet is made.

In actual use, round bar top connects the main shaft of motor by shaft coupling, drives iron remover rotation by motor, makes It obtains bar magnet and relative motion occurs with waste oil, to improve de-ferrous effect.

Further, the top plate 251 and bottom plate 252 are respectively one block of plectane and are coaxially disposed, round bar 254 and top plate 251 are prejudicially arranged.Pass through eccentric setting round bar so that in rotation process, range that iron remover turns in gun barrel Bigger further improves de-ferrous effect.

Preferably, top plate is identical as backplane specifications, to reduce the cost of manufacture of top plate and bottom plate.

Further, each bar magnet 253 is pole and diameter is identical.The setting makes the cost of manufacture of bar magnet reduce.

Referring to Fig. 5, further, in projection in the horizontal plane, each bar magnet is distributed in equilateral triangle.That is, arbitrary The enough equilateral triangles at same size of center connection of three most adjacent bar magnets.The setting makes in iron remover rotation process, Each bar magnet contacts more abundant with waste oil, improves de-ferrous effect.

Fig. 6 and Fig. 7 are please referred to, further, the bottom end of the round bar opens up that there are three axial threaded hole 2542, top plates pair Through-hole there are three opening up with answering；Round bar and top plate pass through three bolts 255（It is only represented by dashed line in Fig. 5）Locking.Actually adding Working hour, three through-holes on top plate should avoid the installation site of bar magnet.

As shown in Figure 4, it is preferable that three threaded holes 2542 of round bar bottom end are distributed at equilateral triangle, with improve top plate with Bonding strength between round bar.

Please refer to Fig. 9 to Figure 11, the structure in refined filtration pond described below.

Refined filtration pond includes pond body 410, and pond body is internally provided with two pieces of longitudinal baffles 422 and two pieces of lateral partitions 421 are used for Filter tank inner cavity is divided into 9 filter chambers 411, and each filter chamber is sequentially communicated；The filter chambers Liang Ge being arbitrarily connected are at it Corresponding partition board is equipped with opening and opening is correspondingly provided with filter screen（It is not shown in figure）；That filtering of most upstream Room（It is that filter chamber of the upper left corner in Figure 10）The outlet end of third oil pump, that filter chamber of most downstream are connected to by pipeline （It is that filter chamber of the lower right corner in Figure 10）It is connected with flowline 442, delivery valve 452 is provided on flowline.

As shown in Figure 10, it is divided into 9 filter chambers in such a way that 3 rows 3 arrange inside pond body.Arrow show waste oil stream in figure Dynamic direction.Wherein, that filter chamber of the second row right end is connected to that filter chamber of the first row rearmost end, and the second row is most left That filter chamber at end is connected to that filter chamber of the third line left end.For the ease of processing, the length and width of each filter chamber, It is high roughly equal.

Further, each filter screen is fixed on by a press box 430 on corresponding partition board respectively.It is pressed by being arranged Frame, convenient for compressing filter screen.

Further, the filter chambers Liang Ge being arbitrarily connected are provided with multiple threaded holes on its corresponding partition board, filtering Multiple through-holes 431 are correspondingly set on net and press box, and filter screen is pressed on corresponding partition board and passes through bolt by each press box Locking.The setting allows press box to be detachably connected with partition board, is conveniently replaceable filter screen.

As shown in Figure 11, the press box（Generally rectangular frame）On be provided with more grizzly bars 432, including it is horizontally disposed and perpendicular More grizzly bars being directly arranged.The particular number of unlimited fixed grid item herein.When specific installation, press box is arranged in the outlet of filter screen Side；By the way that grizzly bar is arranged on press box, play the role of Auxiliary support to strainer, prevents strainer even broken because being deformed by oil pressure Damage.

Further, the precision of each filter screen in refined filtration pond is the mesh of 400 mesh ~ 500.The setting ensure that the filtering essence of waste oil Degree.In practical application, the precision of the filter screen of upstream is higher than positioned at the precision of the filter screen in downstream.

Further, outlet is equipped with a probe tube 443, and there are one sampling valves 453 for setting on probe tube.By Figure 10 It is found that probe tube is located at the upstream of the second valve.

The operation principle in the refined filtration pond described briefly below：Waste oil after sedimentation cleans enters first filtering of pond body Room reaches the 9th filter chamber after completing nine filterings in total then in turn through each filter chamber in pond body, passes through sampling Filtered waste oil indices are analyzed, can open the second valve after confirmation is qualified is transferred to finished product area by waste oil.Due to pond Nine filter chambers are cleverly set in vivo, had not only saved the floor space of pond body, but also waste oil is had after multistage filtering Better quality, convenient for recycling.

2 are please referred to Fig.1, in order to improve the degree of automation of operation, the utility model also correspondingly provides waste oil recycling The control system of device, the control system include the first oil pump for being delivered to the waste oil in coarse filtration tank in gun barrel 51, for the waste oil in gun barrel to be delivered to the second oil pump 52 in settling tank, for the waste oil in settling tank is defeated It send to the third oil pump 53 in refined filtration pond, the motor 24 for driving the iron remover in gun barrel is set to water-oil separating Heating tube 23 in tank, the drain valve 271 being connected to water-oil separating pot bottom（That is, the drain valve is motor-driven valve）, it is set to thick The first liquid level gauge 911 in filter tank is set to the second liquid level gauge 912 of gun barrel, is set to the third liquid level gauge of settling tank 913 and controller 9；First oil pump, the second oil pump, third oil pump, motor, heating tube, drain valve, first liquid level gauge, Second liquid level gauge and third liquid level gauge are electrically connected with controller respectively.Above-mentioned heating tube 23 is connected by power controller 231 Controller.Each liquid level gauge of above-mentioned setting is mainly convenient for avoiding overflowing when controlling each oil pump conveying waste oil or evacuating, under Text will be described in detail control method.

Be in practical application, on pipeline each oil pump outlet conduit on some electrically operated valves would generally be set, these electricity Movable valve is also electrically connected with controller.It is conventional arrangement, this practicality since valve being arranged on the outlet conduit of oil pump It is novel to be not construed as limiting, also do not make detailed description in the description.

Further, which further includes the viscosimeter 915 being arranged in water-oil separating pot bottom, the viscosimeter and control Device processed is electrically connected.The viscosimeter stretches into the inner cavity of gun barrel.Since the viscosity of water and the viscosity difference of waste oil are larger, lead to Setting viscosimeter is crossed, when being drained, viscosimeter detects that actual viscosity value is in values（The preset value is useless The viscosity number range of oil）When, then it can stop draining.It can be seen that by the way that viscosimeter is arranged, Auto-drainage is realized, is avoided Waste oil discharge is caused to waste.

Further, which further includes the temperature sensor 914 being arranged in gun barrel, the temperature sensing Device is electrically connected with controller.By the way that temperature sensor is arranged, convenient for the heating temperature of waste oil in control gun barrel.

Preferably, 3 heating tubes 23 are provided in the control system, in gun barrel altogether, each heating tube is led to respectively A power governor 231 is crossed to be electrically connected with controller（1 heating tube and a power regulation are only schematically drawn in Figure 12 Device）.The setting makes the heating of gun barrel waste oil more uniform.

Preferably, above controller is preferably PLC（Programmable logic controller (PLC)）.

The utility model correspondingly provides the control method of above-mentioned control system, and this approach includes the following steps：

S001 is preset in controller 9：The lower limiting value L11 of first liquid level gauge, the lower limiting value L21 of second liquid level gauge and upper Limit value L22, the lower limiting value L31 and upper limit value L32 of third liquid level gauge, motor rotation time T1, static layering time T2, waste oil add Hot time T3, sedimentation separation time T4；

S002, controller are received to control after external enabled instruction after the first oil pump 51 opens a period of time and be closed；

S003, controller are closed after the control 24 continuous rotation T1 times of motor；Step S004 is executed after waiting for the T2 times；

S004, controller control drain valve 271 and open, and drain valve is closed after the water layer being discharged in gun barrel；

S005, controller control heating tube 23 are closed after opening the T3 times;

S006, controller are controlled after the second oil pump 52 opens a period of time and are closed；Step is executed after time stand-by period T4 S007；

S007, controller control third oil pump 53 are closed after opening a period of time.

Above-mentioned control method, which is realized, pumps waste oil from coarse filtration tank into gun barrel, is carried out successively except iron, quiet It is only layered, drains, pumping into settling tank further sedimentation removal of impurities after heating water removal again, then pumping the refined filtration into refined filtration pond. The waste oil after refined filtration can be transferred to finished product area after sampling analysis qualification.

Further, step S002 is specifically included：The current level that controller detects the first liquid level gauge 911 received Value L10 and the lower limiting value L11 make comparisons, the current level value L20 that controller detects the second liquid level gauge received and Upper limit value L22 makes comparisons；When meeting L10 ＜ L11 or L20 ＞ L22, controller controls the first oil pump and closes；Then it executes Step S003；

Step S006 is specifically included：The current level value L20 and institute that controller detects the second liquid level gauge 912 received The lower limiting value L21 stated makes comparisons, the current level value L30 and upper limit value L32 that controller detects the third liquid level gauge received It makes comparisons；When meeting L20 ＜ L21 or L30 ＞ L32, controller controls the second oil pump and closes；It is executed after time stand-by period T4 Step S007；

Step S007 is specifically included：The current level value L30 and institute that controller detects the third liquid level gauge 913 received The lower limiting value L31 stated makes comparisons, and when meeting L30 ＜ L31, controller controls the second oil pump and closes.

Above-mentioned specific steps ensure that the waste oil in coarse filtration tank, gun barrel, settling tank will not be evacuated or overflow.

Further, step S001 further includes：Waste oil lower viscosity limit value μ 1 is preset in controller；

Step S004 is specifically, after drain valve opening, actual viscosity value μ that controller examines the viscosimeter received 0 makes comparisons with the lower limiting value μ 1, and as 0 >=μ 1 of μ, controller controls drain valve and closes.

Further, step S001 further includes：Waste oil heating temperature lower limiting value t1 and upper limit value t2 are preset in controller, And temperature control precision △ t；

Step S005 is specially：Within the T3 times, current temperature that controller detects the temperature sensor received Angle value t0 and the lower limiting value t1 and upper limit value t2 make comparisons, if t0 ＜（t1-△t）, controller control heating tube Heating power increases；If t0 ＞（t1+△t）, the heating power reduction of controller control heating tube.

Pass through the control, it is ensured that the heating temperature in waste oil heating process is floated in a certain range, is avoided and is added Waste oil overheats when hot.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model Scope of the claims.

Claims (2)

1. a kind of control system of drain oil recovery equipment, which is characterized in that include for the waste oil in coarse filtration tank to be delivered to oil The first oil pump in water separation tank, for the waste oil in gun barrel to be delivered to the second oil pump in settling tank, being used for will Waste oil in settling tank is delivered to the third oil pump in refined filtration pond, the motor for driving the iron remover in gun barrel, if The heating tube being placed in gun barrel is provided with 3 heating tubes in gun barrel altogether, and each heating tube passes through one respectively Power governor is electrically connected with controller, and the drain valve being connected to water-oil separating pot bottom is set to the first liquid of coarse filter Position meter, is set to the second liquid level gauge of gun barrel, is set to the third liquid level gauge and controller of settling tank；Described One oil pump, the second oil pump, third oil pump, motor, heating tube, drain valve, first liquid level gauge, second liquid level gauge and third liquid level gauge It is electrically connected respectively with controller；The control system further includes the viscosimeter being arranged in water-oil separating pot bottom, the viscosimeter with Controller is electrically connected；The control system further includes the temperature sensor being arranged in gun barrel, the temperature sensor with Controller is electrically connected.

2. the control system of drain oil recovery equipment according to claim 1, which is characterized in that the controller is PLC.