CN114105337B

CN114105337B - Backflow type wastewater deoiling system

Info

Publication number: CN114105337B
Application number: CN202111424437.4A
Authority: CN
Inventors: 沈惠阳; 王晨凯
Original assignee: Zhejiang Huiwenmei Stove Co ltd
Current assignee: Zhejiang Huiwenmei Stove Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2023-09-26
Anticipated expiration: 2041-11-26
Also published as: CN114105337A

Abstract

The application relates to the technical field of workpiece cleaning equipment, in particular to a backflow type wastewater degreasing system, which comprises a spray tank, wherein the bottom of the spray tank is connected with at least one oil-water separation device, and the oil-water separation device comprises a separation tank positioned at the lower side of the spray tank and a water supply pipe connected with the bottom of the spray tank and the separation tank; the oil absorption component is arranged in the separation box, a discrete pipe connected with the water supply pipe is arranged in the separation box, the water outlet direction of the discrete pipe faces towards the oil absorption component, a water outlet is formed in the bottom of the separation box, and a first filter screen is arranged at the outlet of the water outlet. The application has the following effects: the greasy dirt will be adsorbed by the oil absorption assembly, and liquid will flow to the outlet under the effect of gravity, and impurity will be blocked on first filter screen, and greasy dirt and impurity in the washing liquid of having handled like this all significantly reduces, can carry out cyclic utilization, washs once more to the water economy resource.

Description

Backflow type wastewater deoiling system

Technical Field

The application relates to the technical field of workpiece cleaning equipment, in particular to a reflux type wastewater deoiling system.

Background

In the manufacturing industry, according to different designs of metal parts, the processing methods of the metal parts are not different, oil stains possibly remain on the surface of a workpiece in different processing processes, and the oil stains can be cutting fluid, cutting oil, release agent, punching oil, drawing oil, grinding fluid and the like.

And under the processing or subsequent process requirement, need wash, general abluent method sprays the part, takes away the greasy dirt that remains on the part through the washing liquid, will produce the waste water that mixes the greasy dirt, in order to wash cleanly, generally can all continuously carry out spray rinsing many times to the part, leads to the use amount of washing liquid at every turn great, and the wasting of resources is too many.

Disclosure of Invention

In order to recycle a part of cleaning liquid and save resources, the application provides a reflux type wastewater degreasing system.

The application provides a reflux type wastewater deoiling system, which adopts the following technical scheme: the reflux type wastewater oil removal system comprises a spray tank, wherein the bottom of the spray tank is connected with at least one oil-water separation device, and the oil-water separation device comprises a separation tank positioned at the lower side of the spray tank and a water supply pipe connected with the bottom of the spray tank and the separation tank; the oil absorption component is arranged in the separation box, a discrete pipe connected with the water supply pipe is arranged in the separation box, the water outlet direction of the discrete pipe faces towards the oil absorption component, a water outlet is formed in the bottom of the separation box, and a first filter screen is arranged at the outlet of the water outlet.

Through adopting above-mentioned technical scheme, the washing liquid after spraying will remain and spray the case bottom, let in sewage to the separator tank through the water supply pipe, the internal blowout of discrete pipe is followed to sewage, will be towards oil absorption subassembly one side motion this moment, the greasy dirt will be adsorbed by oil absorption subassembly, and liquid will flow down to the outlet under the effect of gravity, impurity will be blocked on first filter screen, greasy dirt and impurity among the washing liquid of having handled like this all significantly reduced, can carry out cyclic utilization, wash once more, thereby resources are saved, can reduce the washing liquid use amount simultaneously, the cost is saved, also can reduce the pollution to the environment.

Preferably, the oil absorption assembly comprises two second filter screens arranged at intervals and first oil absorption cotton clamped between the two second filter screens, and the first oil absorption cotton is perpendicular to the bottom surface of the separation box.

Through adopting above-mentioned technical scheme, when the washing liquid is launched, can not the first oil absorption cotton of direct contact, can reduce the damage to the oil absorption cotton, also can play better oil water separation effect.

Preferably, the discrete pipe comprises a horizontal pipe positioned on the upper side of the separation box, and a discrete distance of at least 500mm is formed between the water outlet of the horizontal pipe and the oil suction assembly.

Through adopting above-mentioned technical scheme, when the play liquid, can make the horizontal pipe have the effort of orientation to the oil absorption subassembly all the time, can make the profit can be towards the oil absorption subassembly motion.

Preferably, the separation box upside external connection has the escape canal, the one end of escape canal has the oil absorption case, the oil absorption incasement just is located the escape canal below and is equipped with the second oil absorption cotton.

Through adopting above-mentioned technical scheme, the water drainage canal on upper strata can be with the fluid of the liquid level upper strata after continuously rising outward, finally handles through the cotton of second oil absorption.

Preferably, the oil suction box is detachably connected with an oil suction frame, the second oil suction cotton is embedded in the oil suction frame, and a fixing piece for fixing the second oil suction cotton is arranged on the oil suction frame.

Preferably, the oil absorption box is internally provided with a first partition plate and a second partition plate at intervals, so that the oil absorption box is sequentially divided into a water inlet cavity, an oil absorption cavity and a drainage cavity, the drainage channel is arranged on the first partition plate in a penetrating manner, the end part of the drainage channel is positioned in the oil absorption cavity, and the oil absorption frame is positioned in the oil absorption cavity.

Preferably, the first oil absorbing cotton is fixed between the two second filter screens through a connecting frame, and an extrusion part for extruding the side edges of the oil absorbing cotton is connected to the connecting frame in a sliding manner.

Preferably, the extrusion piece includes the extrusion piece of connecting on the connecting frame side of sliding along the length direction of first filter screen, the tip of extrusion piece rotates relatively and connects on the inner wall of connecting frame, the extrusion piece towards the connecting frame is inboard to be contradicted after rotating the side of first oil absorption cotton.

Through adopting above-mentioned technical scheme, after the extrusion piece rotates, will conflict to the side of first oil absorption cotton, apply the effort of side to first oil absorption cotton and form the extrusion, can make the fluid in the first oil absorption cotton discharge like this, reinstallate the extrusion piece back into the separator box after clear away again.

Preferably, the extrusion further comprises a metal strip, one end of the metal strip is a fixed end, the fixed end is fixedly connected to the connecting frame, and the other end is slidably connected to the connecting frame in a resetting manner.

Through adopting above-mentioned technical scheme, when the extrusion piece is contradicting, will butt on the metal strip, when the extrusion piece is at the slip, the contact friction between them is less, and the protruding point of metal strip will change along the motion of extrusion piece, and the skew can not take place at the both ends of metal strip simultaneously, can reset after the deoiling.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the recovery process of the cleaning liquid, the oil dirt can be removed through the oil absorption assembly, then the impurity is removed through the first filter screen, the treated cleaning liquid can be used for respectively treating the oil dirt and the impurity, the cleaning liquid can be used for cleaning and spraying again, resources are saved, the using amount of the cleaning liquid can be reduced, the cost is saved, and the pollution to the environment can be reduced;

2. when the cleaning liquid is discrete, impurities can impact on the second filter screen due to a certain discrete distance, at the moment, the impurities can rebound away from the oil absorption assembly, and oil can pass through the second filter screen to be absorbed by the second oil absorption cotton, so that the oil, water and impurities can be well separated;

3. the direct impact on the first oil absorbing cotton is reduced, the damage to the oil absorbing cotton is reduced, and the service life of the oil absorbing cotton is prolonged.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present application;

FIG. 2 is a schematic view showing a partial structure of embodiment 1 of the present application;

FIG. 3 is a schematic view showing the structure of the separator tank in embodiment 1 of the present application;

FIG. 4 is a schematic view showing the structure of a horizontal pipe in another embodiment of embodiment 1 of the present application;

fig. 5 is a schematic view showing the structure of the inside of the oil suction tank in embodiment 1 of the present application;

fig. 6 is a sectional view of the oil suction tank in embodiment 1 of the present application;

fig. 7 is a schematic structural view of an oil absorption frame in embodiment 1 of the present application;

FIG. 8 is a schematic diagram showing the connection relationship between the second filter screen and the connection frame in embodiment 2 of the present application;

FIG. 9 is a schematic view showing the structure of a connection frame in embodiment 2 of the present application;

fig. 10 is a partial sectional view of a connection frame in embodiment 2 of the present application.

Reference numerals illustrate: 100. a spray box; 110. an oil-water separation device; 111. a separation box; 112. a water supply pipe; 113. a water pump; 120. an oil absorbing assembly; 121. a second filter screen; 122. a first oil absorbing cotton; 130. a discrete tube; 131. an extension tube; 132. a vertical tube; 133. a horizontal tube; 140. a water outlet; 141. a first filter screen; 150. a drainage canal; 160. an oil suction tank; 161. a first partition plate; 162. a second partition plate; 163. a water inlet cavity; 164. an oil suction cavity; 165. a drainage cavity; 166. an oil absorption frame; 167. a second oil absorbing cotton; 168. a retaining plate; 171. a liquid passing hole; 172. a filter grid plate; 173. a liquid guiding channel; 200. a connection frame; 210. an extrusion; 211. extruding a block; 212. a metal strip; 213. a fixed end; 214. a slip end; 215. a limiting block; 216. an extension plate; 217. a return spring; 221. a chute; 222. a limit groove; 223. a clamping block; 224. an arc-shaped groove; 225. a receiving groove; 226. a rotating handle.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a reflux type wastewater deoiling system.

Example 1:

referring to fig. 1, a backflow type wastewater degreasing system includes a spray tank 100, on the upper side of the spray tank 100, parts are transported by a conveyor belt, cleaning liquid is continuously sprayed out from the top, and after spraying onto the parts, the cleaning liquid will wash down oil stains or impurities together and finally drop onto the bottom wall of the spray tank 100.

Referring to fig. 1 and 2, in order to recycle the cleaning solution, at least one oil-water separator 110 is connected to the bottom of the spray tank 100, the oil-water separator 110 includes a separation tank 111 located below the spray tank 100, and a water pipe 112 connecting the bottom of the spray tank 100 and the separation tank 111, and in this embodiment, a water pump 113 is installed on the water pipe 112, and is used for conveying the cleaning solution at the bottom of the spray tank 100 into the separation tank 111 for separation treatment.

Referring to fig. 3, the separation tank 111 is provided with an oil absorbing assembly 120, in this embodiment, a part of the separation tank 111 is exposed outside the spray tank 100, an opening is formed on the upper side of the exposed part, the oil absorbing assembly 120 is disposed at the opening, a discrete pipe 130 connected with the water supply pipe 112 is disposed in the separation tank 111, the water outlet direction of the discrete pipe 130 is set towards the oil absorbing assembly 120, the bottom of the separation tank 111 is provided with a water outlet 140, the bottom of the separation tank 111 is funnel-shaped, the water outlet 140 is located at the lowest position of the separation tank 111, the water outlet 140 is provided with a first filter screen 141, and the first filter screen 141 can block impurities from entering.

The oil absorbing assembly 120 includes two second filter screens 121 arranged at intervals, and first oil absorbing cotton 122 sandwiched between the two second filter screens 121, and the first oil absorbing cotton 122 is perpendicular to the bottom surface of the separation tank 111. In this embodiment, the discrete tube 130 includes an extension tube 131, a vertical tube 132, and a horizontal tube 133, the extension tube 131 is connected to the water supply tube 112, the vertical tube 132 is parallel to the first oil absorbing cotton 122, meanwhile, the horizontal tube 133 is connected to the vertical tube 132, a plurality of water outlets are uniformly distributed in the length direction of the horizontal tube 133, at least 500mm of discrete distance exists between the water outlet of the horizontal tube 133 and the oil absorbing assembly 120, when the water outlet sprays the collected cleaning liquid, the cleaning liquid will be sprayed toward the oil absorbing assembly 120, at this time, the impurities will be blocked by the second filter screen 121 and move toward the first filter screen 141, and the cleaning liquid can pass through the second filter screen 121 to contact with the first oil absorbing cotton 122, so as to remove the oil stains, finally the cleaning liquid will be discharged from the water outlet 140, after the oil stains and the impurities are taken out, the cleaning liquid can be directly returned to the upper side of the spray nozzle, and in other embodiments the discharged cleaning liquid can be further purified. After a period of adsorption, the first absorbent cotton 122 can be removed from the opening for cleaning or replacement.

Referring to fig. 4, in another embodiment, the horizontal tube 133 may be L-shaped, and have water outlets on both sections, and the water outlets are disposed towards the inner side, so that the cleaning solution discharged from the horizontal tube 133 can always move towards the oil suction assembly 120.

Referring to fig. 2 and 3, the required amount of cleaning liquid varies according to the parts to be cleaned. When the amount of the cleaning liquid increases, the cleaning liquid will rise, and a drain channel 150 is installed at the upper side of the separation tank 111, and when the water level rises above the drain channel 150, the oil stain will flow outwards along the drain channel 150, and at this time, the oil stain will flow outwards through the drain channel 150 due to low density, and at this time, an oil suction tank 160 is provided at the other end of the drain channel 150, and in this embodiment, the oil suction tank 160 is fixedly installed at the bottom of one end of the spray tank 100 and is used for receiving the oil stain of the drain channel 150.

Referring to fig. 5 and 6, a first partition plate 161 and a second partition plate 162 are disposed in the oil suction box 160 at intervals, so that the oil suction box 160 is sequentially partitioned into a water inlet cavity 163, an oil suction cavity 164 and a drainage cavity 165, the drainage channel 150 firstly passes through the side wall of the oil suction box 160 close to one side of the separation box 111 and is arranged on the first partition plate 161 in a penetrating manner, the end part of the drainage channel 150 is positioned in the oil suction cavity 164, an oil suction frame 166 is arranged in the oil suction cavity 164, the oil suction frame 166 is hung on the side wall of the oil suction box 160, and one end of the drainage channel 150 far away from the separation box 111 is positioned above the oil suction frame 166.

A second oil absorbent cotton 167 is embedded in the oil absorption frame 166, and when the cleaning liquid in the separation tank 111 flows into the drain channel 150, it will drop on the second oil absorbent cotton 167. The oil absorption frame 166 is provided with a fixing piece for fixing the second oil absorption cotton 167, in this embodiment, the fixing piece is a retaining plate 168 fixed on the outer wall of the oil absorption frame 166 through bolts, and the retaining plate 168 limits two sides of the second oil absorption cotton 167.

The first partition plate 161 is provided with a liquid passing hole 171, and the water inlet cavity 163 is also provided with a water supply pipe 112 and a discrete pipe 130, so that the cleaning liquid at the bottom of the spray tank 100 can be led into the water inlet cavity 163, and after the liquid level rises, the cleaning liquid enters the oil suction cavity 164 through the liquid passing hole 171, and in this embodiment, the two side walls of the oil suction frame 166 along the extending direction of the drainage channel 150 are provided with filter grids 172. And a liquid guide channel 173 is installed on the second partition plate 162, and the height of the liquid guide channel 173 is higher than that of the second oil absorbent cotton 167 and also higher than that of the liquid through hole 171. The resulting cleaning fluid will move from within the oil suction chamber 164 to the water discharge chamber 165 through the fluid conduit 173, which is relatively dirty and may be used for other purposes as well.

Referring to fig. 5 and 7, the implementation principle of embodiment 1 of the present application is as follows: the sprayed water is firstly conveyed into the separation tank 111 by the water conveying pipe 112, at this time, the water in the separation tank 111 is less, the sprayed water can be sprayed out through the discrete pipe 130 and is directed towards the oil suction assembly 120, impurities collide with each other due to the existence of the second filter screen 121 and then move towards the other side, namely move towards the first filter screen 141, and cleaning liquid passes through the second filter screen 121 to be contacted with the first oil suction cotton 122, so that oil stains are adsorbed, and finally the cleaning liquid is discharged through the water outlet 140, and the impurities are blocked by the first filter screen 141.

When the water inflow is large, the cleaning liquid will rise in the separation tank 111, move towards the oil suction tank 160 through the drainage channel 150, and when the upper cleaning liquid enters into the other separation tank 111, the cleaning liquid just entering will be adsorbed towards the oil suction assembly 120 under the action of the horizontal pipe 133 because the horizontal pipe 133 is arranged at the upper side and towards the oil suction assembly 120, and then the redundant upper cleaning liquid is conveyed towards the oil suction tank 160, so that the oil suction pressure of the oil suction tank 160 can be reduced.

After entering the oil suction box 160, the oil will drop onto the second oil suction cotton 167, and after the water level in the oil suction cavity 164 rises, the oil will finally move into the water discharge cavity 165 through the liquid guide channel 173. In this embodiment, the workpiece is fed from the end of the shower box 100 where the oil suction box 160 is located, the turbidity of the cleaning liquid in the drain chamber 165 is highest, and the cleaning liquid discharged from the lower side of the gravity box can be used for shower cleaning again, thereby saving water source.

Example 2:

the difference from the embodiment is that, referring to fig. 8 and 9, the first oil absorbing cotton 122 is fixed between the two second filter screens 121 through the connection frame 200, the upper side of the connection frame 200 is provided with an opening, and the first oil absorbing cotton 122 is embedded on the connection frame 200. The connecting frame 200 is slidably connected with an extrusion part 210 for extruding the side edge of the first oil absorbing cotton 122, and after a period of use, the extrusion part 210 acts on the first oil absorbing cotton 122 to discharge oil, so that the oil is extruded unidirectionally in the embodiment, and can be extruded on two sides in other embodiments.

Referring to fig. 9 and 10, the pressing member 210 includes a pressing block 211 slidably coupled to a side of the connection frame 200 along a length direction of the first filter screen 141 and a metal bar 212, the metal bar 212 is embedded in one side of the connection frame 200, the metal bar 212 is abutted against a side of the first oil absorbing cotton 122, one end of the metal bar 212 near a bottom of the connection frame 200 is fixed, the end is a fixed end 213, the other end is slidably coupled to an upper side of the connection frame 200 in a resettable manner, the end is a sliding end 214, a sliding distance of the sliding end 214 is defined, and the sliding end 214 is provided with a stopper 215 abutted against the sliding frame. An extension plate 216 is arranged on the sliding frame along the length direction of the sliding frame, a return spring 217 is arranged between one end of the extension plate 216 far away from the sliding frame and the sliding end 214, and two ends of the return spring 217 are respectively fixedly connected to the extension plate 216 and the sliding end 214.

The end of the extrusion block 211 is rotatably connected to the inner wall of the connection frame 200, and the extrusion block 211 is rotated toward the inner side of the connection frame 200 and then abuts against the side edge of the first oil absorbent cotton 122. A sliding groove 221 is formed at one side of the connection frame 200, the extrusion block 211 is embedded in the sliding groove 221, the extrusion block 211 is long, and the end part is arc. The side wall of the chute 221 far away from the first oil absorbing cotton 122 is provided with a limit groove 222, the opening direction of the limit groove 222 is perpendicular to the first oil absorbing cotton 122, the non-circular arc end of the extrusion block 211 is provided with a clamping block 223 perpendicular to the extrusion block 211, the clamping block 223 is embedded in the limit groove 222, meanwhile, the side wall of the limit groove 222 is provided with an arc groove 224, the arc end of the extrusion block 211 can move towards one side of the metal strip 212, one side of the chute 221 close to the metal strip 212 is provided with a containing groove 225 for the circular arc end of the extrusion block 211 to be embedded in and abut against the metal strip 212, and the containing groove 225 is opened along the extending direction of the side edge of the sliding frame.

That is, when the extrusion is needed, the clamping block 223 is slid, when the clamping block 223 slides to the arc-shaped groove 224, the extrusion block 211 rotates, the clamping block 223 is embedded into the sliding groove 221, meanwhile, the arc end of the extrusion block 211 is embedded into the accommodating groove 225, the metal strip 212 is partially protruded, and the return spring 217 is stretched. Then, the clamping block 223 can be made to slide, the first oil absorbing cotton 122 can be extruded, and the length of the extrusion block 211 can be adjusted as required. And by the end, the extrusion block 211 is reset, the metal strip 212 is reset by the reset spring 217, and a rotating handle 226 can be arranged on the non-circular arc end of the extrusion block 211 for facilitating rotation.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. A back-flow type wastewater degreasing system, comprising a spray box (100), characterized in that: the bottom of the spray box (100) is connected with at least one oil-water separation device (110), and the oil-water separation device (110) comprises a separation box (111) positioned at the lower side of the spray box (100) and a water supply pipe (112) connected with the bottom of the spray box (100) and the separation box (111);

the oil absorption device is characterized in that an oil absorption assembly (120) is arranged in the separation box (111), a discrete pipe (130) connected with a water supply pipe (112) is arranged in the separation box (111), the water outlet direction of the discrete pipe (130) faces to the oil absorption assembly (120), a water outlet (140) is formed in the bottom of the separation box (111), and a first filter screen (141) is arranged at the water outlet (140);

the oil absorption assembly (120) comprises two second filter screens (121) which are arranged at intervals, and first oil absorption cotton (122) which is clamped between the two second filter screens (121), wherein the first oil absorption cotton (122) is perpendicular to the bottom surface of the separation box (111);

the discrete pipe (130) comprises a horizontal pipe (133) positioned on the upper side of the separation box (111), and a discrete distance of at least 500mm is formed between a water outlet of the horizontal pipe (133) and the oil suction assembly (120);

a drainage channel (150) is externally connected to the upper side of the separation box (111), an oil suction box (160) is arranged at one end of the drainage channel (150), and second oil suction cotton (167) is arranged in the oil suction box (160) and below the drainage channel (150);

the oil suction box (160) is detachably connected with an oil suction frame (166), the second oil suction cotton (167) is embedded in the oil suction frame (166), and a fixing piece for fixing the second oil suction cotton (167) is arranged on the oil suction frame (166);

a first partition plate (161) and a second partition plate (162) are arranged in the oil suction box (160) at intervals, so that the oil suction box (160) is sequentially divided into a water inlet cavity (163), an oil suction cavity (164) and a drainage cavity (165), the drainage channel (150) is arranged on the first partition plate (161) in a penetrating manner, the end part of the drainage channel is positioned in the oil suction cavity (164), and the oil suction frame (166) is positioned in the oil suction cavity (164);

the first oil absorbing cotton (122) is fixed between the two second filter screens (121) through a connecting frame (200), and an extrusion part (210) used for extruding the side edges of the oil absorbing cotton is connected to the connecting frame (200) in a sliding manner;

the workpiece enters from one end of the spray box (100) provided with an oil suction box (160), sprayed water is conveyed into the separation box (111) by the water conveying pipe (112), when the water quantity in the separation box (111) is small, the water is sprayed out through the discrete pipe (130) and faces the oil suction assembly (120), impurities are blocked by the second filter screen (121) and move towards one side of the first filter screen (141), cleaning liquid passes through the second filter screen (121) to contact with the first oil suction cotton (122), oil stains are removed, and the cleaning liquid is discharged from the water outlet (140); when the water inflow is large, the cleaning liquid rises in the separation tank (111), and the excessive upper cleaning liquid is conveyed towards the oil suction tank (160) through the drainage channel (150), so that the oil suction pressure of the oil suction tank (160) is reduced; after entering the oil suction box (160), the oil suction box falls onto a second oil suction cotton (167), and when the water level in the oil suction cavity (164) rises, the oil suction box moves into the water discharge cavity (165) through the liquid guide channel (173).

2. A back-flow wastewater degreasing system as claimed in claim 1, wherein: the extrusion piece (210) comprises an extrusion block (211) which is connected to the side edge of the connecting frame (200) in a sliding manner along the length direction of the first filter screen (141), the end part of the extrusion block (211) is connected to the inner wall of the connecting frame (200) in a relative rotation manner, and the extrusion block (211) is abutted to the side edge of the first oil absorbing cotton (122) after rotating towards the inner side of the connecting frame (200).

3. A back-flow wastewater degreasing system as claimed in claim 2, wherein: the extrusion piece (210) further comprises a metal strip (212), one end of the metal strip (212) is a fixed end (213), the fixed end (213) is fixedly connected to the connecting frame (200), and the other end of the metal strip is slidably connected to the connecting frame (200) in a resetting manner.