CN207943942U - A kind of oily water separating equipment - Google Patents

Abstract

The utility model discloses a kind of oily water separating equipment, including processing pond and filtering ponds, the filtering ponds are connected with the processing pond, strainer and at least two roller bearings are equipped in the filtering ponds, the strainer is socketed on each roller bearing, the actuator of peripheral hardware can drive at least one roller bearing rotation, to drive the strainer to rotate；The side wall of the filtering ponds is additionally provided with dump skip, and when work, being undertaken in the filtrate of the strainer can transport to the dump skip with the strainer and be discharged.The there is provided oily water separating equipment of the utility model, the strainer of roller is equipped in its filtering ponds, when the strainer on the upside of roller bearing is overturn on the downside of roller bearing, the filtrate of strainer is undertaken under self gravitation effect, it can fall in dump skip and be discharged from screen surface, in this way, filtrate is not easy to accumulate in screen surface, it can largely avoid the problem that filter net jam, be conducive to the working efficiency that the provided oily water separating equipment of the utility model is provided.

Description

A kind of oily water separating equipment

Technical field

The utility model is related to technical field of waste water processing more particularly to a kind of oily water separating equipments.

Background technology

Dissolved air flotation method is a kind of common oily water separation technique, and principle is to be passed through air in water to generate fine gas Bubble, and then solid particle, greasy dirt etc. in water, the dissolved oil smaller to grain size in water, oil emulsion are adsorbed by the micro-bubble Etc. all having preferable separating effect.

In the prior art, the entrance of air-flotation type oily water separating equipment would generally be equipped with strainer, to filter out oily waste water In bulky grain solid impurity, under long-time service, strainer can be blocked, it is necessary to strainer is replaced or is cleared up, at this point, Oily water separating equipment can not work, and seriously affect the working efficiency of oily water separating equipment.

Therefore, a kind of oily water separating equipment how is provided, strainer is not easy to plug, and is still that those skilled in the art urgently solve Certainly the technical issues of.

Utility model content

The purpose of this utility model is to provide a kind of oily water separating equipment, which uses the filter of roller Net can largely avoid the blocking of strainer, be conducive to the working efficiency for ensureing oily water separating equipment.

In order to solve the above technical problems, the utility model provides a kind of oily water separating equipment, including processing pond and filtering ponds, The filtering ponds are connected with the processing pond, and strainer and at least two roller bearings, the strainer socket are equipped in the filtering ponds At least one roller bearing rotation can be driven in the actuator of each roller bearing, peripheral hardware, to drive the strainer to rotate；It is described The side wall of filtering ponds is additionally provided with dump skip, and when work, being collected in the filtrate of the strainer can transport with the strainer to institute State dump skip discharge.

The there is provided oily water separating equipment of the utility model, filtering ponds are interior to be equipped at least two roller bearings, and strainer can be socketed It is rotated in each roller bearing, and with roller bearing, that is to say, that the strainer is roller strainer, when the strainer on the upside of roller bearing turns over When going on the downside of roller bearing, the filtrate of strainer is undertaken under self gravitation effect, can be fallen in dump skip from screen surface Discharge.

In this way, filtrate is not easy to accumulate in screen surface, it can largely avoid the problem that filter net jam, be conducive to The working efficiency of the provided oily water separating equipment of the utility model is provided.

Optionally, the processing pond includes flotation tank, and the bottom of the flotation tank is equipped with aeration tube, and the aeration tube is equipped with Several solarization air caps；Further include air dissolved pump, the air dissolved pump is connected with the aeration tube.

Optionally, further include oil separator, the oil separator is connected to the flotation tank bottom, flows through the useless of the filtering ponds Water enters the flotation tank by the oil separator.

Optionally, the processing pond further includes intermediate pool, is connected at the top of the intermediate pool and the flotation tank；The processing The top in pond is equipped with oil-scraping device, and the oil-scraping device can scrape the oil of waste water upper surface in the processing pond to waste oil pool.

Optionally, the oil-scraping device includes frizing motor, and the output shaft of the frizing motor is equipped with driving wheel, the place The side wall for managing pond is equipped with driven wheel, passes through chain drive between the driving wheel and the driven wheel；Further include oil scraper, it is described Oil scraper is fixed on the chain, and can be moved with the chain syn-chro-step.

Optionally, the import of the waste oil pool is equipped with deflector, the deflector along the direction far from the waste oil pool by It is gradually downwardly inclined, and can extend into the processing pond below the oil reservoir of waste water.

Optionally, the intermediate pool is equipped with the water inlet pipe being connected with the air dissolved pump, by the water inlet pipe, the molten gas The clear water of the intermediate pool lower part can be evacuated to inside it by pump.

Optionally, further include clear water reserviors, the clear water reserviors are connected with the intermediate pool by collector pipe, under the intermediate pool The clear water in portion can enter the clear water reserviors by the collector pipe.

Optionally, liquid level gauge, the liquid for detecting the intermediate pool and/or the clear water reserviors are equipped in the clear water reserviors Position.

Optionally, the collector pipe includes water level pipe and communicating pipe, can be connected under the intermediate pool communicating pipe Portion and the clear water reserviors；The water level pipe is L-shaped, horizontal segment be plugged between the intermediate pool and the clear water reserviors every Plate, vertical segment is located in the clear water reserviors, and extends upward, and the liquid level gauge is used to detect the liquid level in the vertical segment.

Optionally, further include electrically-controlled component, the electrically-controlled component is filled with the liquid level gauge, the air dissolved pump and the frizing Set equal signal connection；The electrically-controlled component can be controlled when the liquid level gauge detects that the liquid level meets or exceeds preset value It makes the air dissolved pump to be stopped, and the oil-scraping device can be controlled and started to work.

Description of the drawings

Fig. 1 is provided a kind of structural schematic diagram of specific implementation mode of oily water separating equipment by the utility model；

Fig. 2 is the attachment structure schematic diagram between each pond inside oily water separating equipment；

Fig. 3 is that oily water separating equipment removes the vertical view after head cover in Fig. 1；

Fig. 4 is the front view of Fig. 1；

Fig. 5 is the rearview of Fig. 1.

The reference numerals are as follows in Fig. 1-5：

1 filtering ponds, 11 strainers, 12 roller bearings, 13 actuators, 14 dump skips, 15 gas flowmeters；

2 flotation tanks, 21 aeration tubes, 211 solarization air caps, 22 air dissolved pumps；

3 oil separators；

4 intermediate pools, 41 water inlet pipes, 42 collector pipes, 421 water level pipes, 422 communicating pipes；

5 oil-scraping devices, 51 chains, 52 oil scrapers；

6 waste oil pools, 61 deflectors, 62 oil outlets；

7 clear water reserviors, 71 liquid level gauges；

8 electrically-controlled components.

Specific implementation mode

In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have The utility model is described in further detail for body embodiment.

Please refer to Fig.1 the structure that -5, Fig. 1 is provided a kind of specific implementation mode of oily water separating equipment by the utility model Schematic diagram, Fig. 2 are the attachment structure schematic diagram between each pond inside oily water separating equipment, and Fig. 3 is that oily water separating equipment is gone in Fig. 1 Fall the vertical view after head cover, Fig. 4 is the front view of Fig. 1, and Fig. 5 is the rearview of Fig. 1.

As shown in Figs. 1-5, the utility model provides a kind of oily water separating equipment, including processing pond, for oily waste water It is handled, to remove greasy dirt therein.Dissolved air flotation technique may be used in the processing pond, can also use Gravity Separation work Skill, alternatively, the techniques such as centrifugal separation, electrically separated and adsorbing separation can also be used, it specifically can be depending on actual conditions.

It is different from the prior art, which further includes dedicated filtering ponds 1, and filtering ponds 1 are connected with processing pond It is logical, strainer 11 and at least two roller bearings 12 are equipped in filtering ponds 1, strainer 11 can be socketed on each roller bearing 12, the actuator of peripheral hardware 13 can drive at least one roller bearing 12 to rotate, and be rotated with band electric filter 11, that is to say, that the strainer 11 is roller strainer； The side wall of filtering ponds 1 is additionally provided with dump skip 14, which tilts gradually downward along the direction far from 1 center of filtering ponds.On It states actuator 13 and is specifically as follows decelerating motor etc..

At work, when the strainer 11 positioned at 12 upside of roller bearing is overturn to 12 downside of roller bearing (or in switching process), The filtrate of strainer 11 is undertaken under self gravitation effect, can be fallen in dump skip 14 from 11 surface of strainer, and with discharging 14 discharge of bucket.In this way, filtrate is not easy to accumulate on 11 surface of strainer, it can largely avoid the problem that strainer 11 blocks, Be conducive to ensure the working efficiency of the provided oily water separating equipment of the utility model.

In fact, in addition to by self gravitation effect, roller bearing 12 can also act power to filtrate, so that filtrate Preferably it is detached from strainer 11.It is to be understood that when being filtered to waste water, the irregular filtrate of partial shape (such as with The filtrate of sharp end) it is possible in the filter opening that can be caught in strainer 11, it is difficult to deviate from, filter opening is caused to block.In view of this, in this reality With in new embodiment, when being rotated with roller bearing 12, strainer 11 and the surface of roller bearing 12 can be in close contact strainer 11, especially Positioned at strainer 11 i.e. by the roller bearing 12 of upturned position, it is reflected in attached drawing 2, i.e. the roller bearing 12 of left end, roller bearing 12 has strainer 11 Larger clamping force so that roller bearing 12 can push against the filtrate of embedded strainer 11 outwardly, to release filtrate and strainer 11 Between grafting gripping orientation.In this way, when strainer 11 will be overturn to the downside of roller bearing 12, which can easily fall Into dump skip 14, to overcome blocking of the irregular filtrate to strainer 11.

It is to be appreciated that the utility model embodiment does not limit the inclined direction of strainer 11, and using Fig. 2 as visual angle, strainer 11 It can gradually be obliquely installed upward from right to left, can also gradually be downwardly inclined setting from right to left, alternatively, can also substantially edge Horizontally arranged, in practical applications, those skilled in the art can be configured as needed；In specific scheme, The strainer 11 preferably uses from right to left gradually scheme inclined upward, and end (14 material receiving end of dump skip) is fallen to improve filtrate Height, to avoid its immerse waste water in.

As previously mentioned, dissolved air flotation technique may be used in the processing pond, or gravity separation process is used, and it is specific To the utility model embodiment, which preferably uses dissolved air flotation technique, smaller preferably to remove grain size in waste water Dissolved oil, oil emulsion, so, in the following description, mainly by taking the flotation tank 2 using dissolved air flotation technique as an example, to this The description that the provided oily water separating equipment of utility model is embodied, and use gravity separation process or other separating technologies The concrete structure of processing pond can refer to the prior art, this will not be repeated here.

Specifically, the processing pond may include flotation tank 2, the bottom of flotation tank 2 can be equipped with aeration tube 21, aeration tube 21 can be equipped with solarization air cap 211；Can also include air dissolved pump 22, air dissolved pump 22 can be connected with aeration tube 21.At work, molten Air, water can respectively be sucked inside it and be mixed, compressed by air pump 22, and the water with compressed air is then passed through aeration Hole 211 is passed through in flotation tank 2, with to oily waste water carry out Air Exposure, and then by waste oil demulsification be adsorbed as grain size it is larger can Suspended particulate, and the upper surface of flotation tank 2 is floated up to, to complete grease layering.

Further, it is also provided with gas flowmeter 15, to control the air imbibed quantity of air dissolved pump 22, the gas stream Gauge 15 can be installed on the side wall of filtering ponds 1, it is of course also possible to be located at other positions, regardless of where be set to, as long as can The air inflow of air dissolved pump 22 is monitored, is controlled.Water treatment agent can also be added in air dissolved pump 22, so as to preferably Demulsification absorption is carried out to waste oil, which is specifically as follows the chemical agents such as aluminium chloride.

Further, pressurized part can also be set between air dissolved pump 22 and flotation tank 2, with to from 22 row of air dissolved pump The air-water mixture gone out carries out secondary pressurized, and effect of the compressed air to waste oil demulsification absorption can be improved.Specifically, the supercharging Component can be knockout drum.

It may be noted that the utility model embodiment does not limit quantity and installation site of above-mentioned solarization air cap 211 etc., having When body is implemented, those skilled in the art can be depending on the actual conditions such as the size of flotation tank 2, alternatively, can also be with reference to attached Embodiment is configured in Fig. 3.

To ensure that the waste water from filtering ponds 1 can be also provided with oil separator 3 by Air Exposure, oil separator 3 Top is connected with filtering ponds 1, partition board can be equipped between oil separator 3 and flotation tank 2, and the two bottom is connected to.Using this knot Structure, the waste water for flowing through filtering ponds 1 need to first pass through oil separator 3, then could enter flotation tank 2, and can ensure to pass through substantially The bottom that the waste water of filtration treatment fully enters flotation tank 2 carries out Air Exposure, advantageously ensures that the effect of water-oil separating.When So, above-mentioned oil separator 3 can not also exist, at this point it is possible to which the waste water in filtering ponds 1 is directly passed through flotation tank by pipeline etc. 2 bottom can also realize above-mentioned technique effect.

Since the bottom of flotation tank 2 is equipped with aeration tube 21, the liquid in flotation tank 2 can substantially be divided into three layers, bottommost It is aeration layer, for carrying out Air Exposure to oily waste water, which is actually also oil mixing with water layer, by being aerated after layer Waste water, oil-water separation is apparent, then, aeration layer above again can form clear water layer and oil reservoir, oil reservoir is located at clear water layer Surface.

For ease of to being further processed by the waste water of Air Exposure, processing pond can also include intermediate pool 4, in Between between pond 4 and flotation tank 2 can be equipped with partition board, and the two top connection.In this way, the waste water in flotation tank 2 reaches one When quantitative, clear water layer, oil reservoir in flotation tank 2 can be spilled over in intermediate pool 4, and both final liquid level can reach flat Together, to form oil reservoir in the whole surface of processing pond.

Further, it is also provided with oil-scraping device 5, which can be located at the top of processing pond, will handle The oil reservoir of waste water upper surface strikes off into waste oil pool 6 in pond, and waste oil pool 6 is equipped with the oil outlet being connected with extraneous discharge line 62, the waste oil collected in waste oil pool 6 can be discharged by the oil outlet 62.

Specifically, the oil-scraping device 5 may include frizing motor, the output shaft of frizing motor can be equipped with driving wheel, The side wall of processing pond is equipped with driven wheel, can be driven by chain 51 between driving wheel and driven wheel；The oil-scraping device 5 can be with Including oil scraper 52, oil scraper 52 can be fixed on chain 51, and can be moved synchronously with chain 51, to implement frizing behaviour Make.

As shown in Fig. 2, in the utility model embodiment, the quantity of the oil scraper 52 can be one, on waste water The oil reservoir on surface is periodically struck off, and when oil scraper 52 turns to driving wheel, driven wheel top, frizing motor can be at Idling conditions, and when oil scraper 52 turns to driving wheel, driven wheel lower section, oil scraper 52 can perform stripping operation.Certainly, should The quantity of oil scraper 52 can be multiple, and be spaced apart along chain 51, constantly to be carried out to the oil reservoir of waste water upper surface It strikes off, is more advantageous to the scraping effect for ensureing oil reservoir.

Further, the import of waste oil pool 6 can be equipped with deflector 61, and deflector 61 can along the direction far from waste oil pool 6 To be gradually downwardly inclined, and can extend into processing pond below the oil reservoir of waste water.Using Fig. 2 as visual angle, so set, working as chain 51 When rotating counterclockwise, oil scraper 52 can push the oil reservoir of wastewater surface to enter along waste oil pool 6 along deflector 61, be more advantageous to pair The recycling of waste oil.

It is also provided with the water inlet pipe 41 being connected with air dissolved pump 22 in intermediate pool 4, passes through the water inlet pipe 41,22 energy of air dissolved pump It is enough that the clear water of 4 lower part of intermediate pool is evacuated to inside it, to meet the water demand of itself.

The there is provided oily water separating equipment of the utility model can also include clear water reserviors 7, and clear water reserviors 7 can lead to intermediate pool 4 It crosses collector pipe 42 to be connected, to form the structure of similar linker, the clear water of 4 lower part of intermediate pool can be entered clearly by collector pipe 42 In pond 7, to recycle.

In fact, in above-mentioned oily water separating equipment, filtering ponds 1, flotation tank 2, oil separator 3, intermediate pool 4 and clear water Pond 7 is connected to logical, i.e., the structure of similar linker can be formed between each pond, in this way, detection wherein some pond Liquid level, you can characterize the liquid level in each pond.Based on this, liquid level gauge 71 can also be set, the liquid level for detecting each pond, so as to Judge whether liquid level has reached the operating fluid level of oil-scraping device 5, and then can in time control oil-scraping device 5 and work.

Specific to the utility model embodiment, which can be set in clear water reserviors 7, and the water in clear water reserviors 7 has been located Reason finishes, and is substantially free of greasy dirt, can largely avoid the pollution caused by outer surface of the oil reservoir evaporation to liquid level gauge 71, And therefrom caused by liquid level gauge 71 measure inaccurate problem.

More specifically, collector pipe 42 may include water level pipe 421 and communicating pipe 422, such as Fig. 2 institutes+show, the communicating pipe 422 can be straight tube, bend pipe or combination, to be connected to lower part and the clear water reserviors 7 of intermediate pool 4, and then can be by intermediate pool 4 The clear water of lower part imports in clear water reserviors 7.Water level pipe 421 may include horizontal segment and vertical segment, and horizontal segment can be plugged in centre Partition board between pond 4 and clear water reserviors 7, to be connected to intermediate pool 4, vertical segment in clear water reserviors 7 and can then upwardly extend, at this point, Water level pipe 421 can form the structure of similar linker with intermediate pool 4, and water-level gauge 71 above-mentioned can be arranged in the vertical segment At upper end opening, to detect the water level in vertical segment, that is, the water level of intermediate pool 4, clear water reserviors 7, due to the caliber of vertical segment It is smaller, it is more advantageous to the accuracy of guaranteed water level measurement result.

Above-mentioned oily water separating equipment can also include electrically-controlled component 8, and the electrically-controlled component 8 and liquid level gauge 71, are scraped air dissolved pump 22 The signal connection such as oily motor, detects the liquid level of clear water in clear water reserviors 7 (in fact, and in intermediate pool 4 in liquid level gauge 71 Liquid level) be more than preset value when, air dissolved pump 22 can be controlled and be stopped, and control frizing motor and start running, with execute scrape Oil operation.Certainly, frizing motor can also be run in advance, can be specifically determined according to actual conditions.

Here, the embodiment of the present invention does not limit the occurrence of the preset value, as long as ensure that liquid level reaches preset value, scrape Oily knife 52 can scrape the oil reservoir of wastewater surface in processing pond.

Above-mentioned filtering ponds 1, flotation tank 2, oil separator 3, intermediate pool 4 and clear water reserviors 7 can be equipped with outlet, overhaul Or when cleaning, each outlet can be opened simultaneously, so that rapidly the water in each pond is discharged.

For the oily water separating equipment involved by the respective embodiments described above, can refer to using step as follows：

1) oily waste water is discharged by pipeline or other the service of connection devices in filtering ponds 1, and starts actuator 13, so that filter Net 11 starts to rotate, and then the filtrate for being undertaken in strainer 11 is transported into dump skip 14 and is discharged；

In above-mentioned steps 1) in, can start actuator 13 immediately when oily waste water enters filtering ponds 1, it can also It is to restart actuator 13 after a certain amount of oily waste water enters filtering ponds 1, it specifically can be depending on actual conditions.

2) while step 1) carries out, start air dissolved pump 22, to be aerated to entering the oily waste water in flotation tank 2 Processing can enter in intermediate pool 4, clear water reserviors 7, and real-time by liquid level gauge 71 when the waste water in flotation tank 2 builds up to a certain amount of Monitor liquid level；

In above-mentioned steps 2) in, the utility model embodiment does not limit the speed that oily waste water enters flotation tank 2, as long as Effective Air Exposure can be passed through by ensureing the waste water into flotation tank 2.

3) when the liquid level detected in liquid level gauge 71 reaches preset value, electrically-controlled component 8 can control air dissolved pump 22 to be stopped, And start oil-scraping device 5, the oil reservoir of wastewater surface in processing pond is scraped into waste oil pool 6；

4) by the outlet set on clear water reserviors 7, the clear water in clear water reserviors 7, intermediate pool 4 is discharged.

Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the scope of protection of the utility model.

Claims (11)

1. a kind of oily water separating equipment, including processing pond, which is characterized in that further include filtering ponds (1), the filtering ponds (1) with The processing pond is connected, and strainer (11) and at least two roller bearings (12), strainer (11) set are equipped in the filtering ponds (1) It is connected to each roller bearing (12), the actuator (13) of peripheral hardware can drive at least one roller bearing (12) to rotate, to drive State strainer (11) rotation；

The side wall of the filtering ponds (1) is additionally provided with dump skip (14), and when work, the filtrate for being collected in the strainer (11) can It is discharged with the strainer (11) transport to the dump skip (14).

2. oily water separating equipment according to claim 1, which is characterized in that the processing pond includes flotation tank (2), the gas The bottom of floating pond (2) is equipped with aeration tube (21), and the aeration tube (21) is equipped with solarization air cap (211)；

Further include air dissolved pump (22), the air dissolved pump (22) is connected with the aeration tube (21).

3. oily water separating equipment according to claim 2, which is characterized in that further include oil separator (3), the oil separator (3) It is connected to the flotation tank (2) bottom, the waste water for flowing through the filtering ponds (1) enters the air supporting by the oil separator (3) Pond (2).

4. oily water separating equipment according to claim 2, which is characterized in that the processing pond further includes intermediate pool (4), described It is connected at the top of intermediate pool (4) and the flotation tank (2)；

The top of the processing pond is equipped with oil-scraping device (5), and the oil-scraping device (5) can be by waste water upper table in the processing pond The oil in face is scraped to waste oil pool (6).

5. oily water separating equipment according to claim 4, which is characterized in that the oil-scraping device (5) includes frizing motor, institute The output shaft for stating frizing motor is equipped with driving wheel, and the side wall of the processing pond is equipped with driven wheel, the driving wheel with it is described driven It is driven by chain (51) between wheel；

Further include oil scraper (52), the oil scraper (52) is fixed on the chain (51), and can be same with the chain (51) Step movement.

6. oily water separating equipment according to claim 4, which is characterized in that the import of the waste oil pool (6) is equipped with deflector (61), the deflector (61) is gradually downwardly inclined along the direction far from the waste oil pool (6), and can extend into the processing pond Below the oil reservoir of middle waste water.

7. oily water separating equipment according to claim 4, which is characterized in that the intermediate pool (4) is equipped with and the air dissolved pump (22) connected water inlet pipe (41), by the water inlet pipe (41), the air dissolved pump (22) can be by the intermediate pool (4) lower part Clear water be evacuated to inside it.

8. oily water separating equipment according to claim 4, which is characterized in that further include clear water reserviors (7), the clear water reserviors (7) It is connected by collector pipe (42) with the intermediate pool (4), the clear water of intermediate pool (4) lower part can pass through the collector pipe (42) enter the clear water reserviors (7).

9. oily water separating equipment according to claim 8, which is characterized in that liquid level gauge (71) is equipped in the clear water reserviors (7), Liquid level for detecting the intermediate pool (4) and/or the clear water reserviors (7).

10. oily water separating equipment according to claim 9, which is characterized in that the collector pipe (42) includes water level pipe (421) With communicating pipe (422), the communicating pipe (422) can be connected to lower part and the clear water reserviors (7) of the intermediate pool (4)；

The water level pipe (421) is L-shaped, horizontal segment be plugged between the intermediate pool (4) and the clear water reserviors (7) every Plate, vertical segment is located in the clear water reserviors (7), and extends upward, and the liquid level gauge (71) is for detecting in the vertical segment Liquid level.

11. oily water separating equipment according to claim 9, which is characterized in that further include electrically-controlled component (8), described automatically controlled group Part (8) is connect with the liquid level gauge (71), the air dissolved pump (22) and the oil-scraping device (5) signal；

The electrically-controlled component (8) can control when the liquid level gauge (71) detects that the liquid level meets or exceeds preset value The air dissolved pump (22) is stopped, and can control the oil-scraping device (5) start-up operation.