CN214781122U

CN214781122U - Recycling device of polishing water

Info

Publication number: CN214781122U
Application number: CN202121201014.1U
Authority: CN
Inventors: 张冬军
Original assignee: Lin'an Yingming Machine Parts Co ltd
Current assignee: Lin'an Yingming Machine Parts Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-19
Anticipated expiration: 2031-05-31

Abstract

The application relates to a recycling device of polishing water, which comprises a primary sedimentation mechanism, a middle filtering mechanism and an ultrafiltration mechanism which are sequentially communicated, wherein the primary sedimentation mechanism comprises a primary sedimentation cylinder and a water inlet cylinder, the water inlet cylinder is arranged on the primary sedimentation cylinder, a water inlet of the water inlet cylinder is arranged at the upper end of the primary sedimentation cylinder, a water outlet of the water inlet cylinder is arranged in the primary sedimentation cylinder, and a first water outlet is arranged at the upper end of the primary sedimentation cylinder; the middle filtering mechanism comprises a filtering box and a filtering piece arranged in the filtering box, and a water inlet of the filtering box is communicated with the first water outlet; the ultrafiltration mechanism includes high-pressure tank and filter element group spare, the filter element group spare is installed in the high-pressure tank, the water inlet of high-pressure tank and the delivery port intercommunication setting of rose box, the high-pressure tank is equipped with the second delivery port that communicates in filter element group spare. This application has the effect that improves polishing water cyclic utilization.

Description

Recycling device of polishing water

Technical Field

The utility model relates to a contaminated water treatment technology field, the concrete field is a recycle device of polishing water.

Background

In the field of forklift production, there are different processing techniques, such as forming, die casting or polishing. At present, when the surface of a forklift accessory or a plate rib is polished, polishing water is used for one time, the polishing water is used as waste water and is discharged after being used and finished through simple filtering treatment, but the discharged waste water still can pollute the environment, and meanwhile, the discharged waste water can improve the production cost of enterprises.

In view of the above-mentioned related art, the inventors have considered that there is a drawback that the recycling rate of the polishing water is low.

Disclosure of Invention

In order to improve the cyclic utilization of polishing water, the application provides a recycling device of polishing water.

The application provides a recycle device of polishing water adopts following technical scheme: the device comprises a primary sedimentation mechanism, a middle filtration mechanism and an ultrafiltration mechanism which are sequentially communicated, wherein the primary sedimentation mechanism comprises a primary sedimentation cylinder and a water inlet cylinder, the water inlet cylinder is penetratingly arranged on the primary sedimentation cylinder, a water inlet of the water inlet cylinder is arranged outside the primary sedimentation cylinder, a water outlet of the water inlet cylinder is arranged in the primary sedimentation cylinder, and a first water outlet is arranged at the upper end of the primary sedimentation cylinder; the middle filtering mechanism comprises a filtering box and a filtering piece arranged in the filtering box, and a water inlet of the filtering box is communicated with the first water outlet; the ultrafiltration mechanism includes high-pressure tank and filter element group spare, the filter element group spare is installed in the high-pressure tank, the water inlet of high-pressure tank and the delivery port intercommunication setting of rose box, the high-pressure tank is equipped with the second delivery port that communicates in filter element group spare.

By adopting the technical scheme, the primary settling cylinder is used for precipitating and filtering metal impurities in the wastewater, the filtered wastewater flows out from the second water outlet at the upper end, and the precipitated impurities in the wastewater are left in the primary settling cylinder; the middle filtering mechanism is used for filtering the impurities with larger diameter particles in the wastewater after primary filtering; the ultrafiltration mechanism is used for filtering micron-sized particle impurities in the wastewater after secondary filtration. After the wastewater is filtered for three times, the obtained clear water can directly polish the surfaces of the compact parts, so that the cyclic and repeated utilization of the polishing water is realized.

Preferably, one end of the primary sedimentation cylinder, which is far away from the water inlet cylinder, is provided with a conical collection hopper, the primary sedimentation cylinder is provided with a sedimentation outlet communicated with the conical collection hopper, and the sedimentation outlet is provided with a first drain valve.

Through adopting above-mentioned technical scheme, first blowdown valve is used for controlling out opening and close of sinking the mouth, and the toper is collected and is fought and make the bottom of just sinking a section of thick bamboo be the inclined plane, can drain metal sediment impurity better and discharge from going out the mouth that sinks.

Preferably, an effluent weir plate used for separating the primary sedimentation cylinder from the first water outlet is arranged in the primary sedimentation cylinder, and the water outlet of the effluent weir plate is communicated with the first water outlet.

By adopting the technical scheme, the wastewater in the primary sedimentation cylinder does not directly flow out from the water outlet, firstly passes through the water outlet weir plate, and then flows to the first water outlet from the cavity of the water outlet weir plate, so that the anaerobic sludge with the density higher than that of water can be retained while the water is discharged uniformly.

Preferably, filter first filter screen, second filter screen and the third filter screen of setting including arranging, the filter screen hole diameter of first filter screen, second filter screen and third filter screen reduces in proper order, the water inlet of rose box is located between first filter screen and rose box, the delivery port of rose box is located between third filter screen and rose box.

Through adopting above-mentioned technical scheme, the filter screen is used for the absorption of granule impurity in the waste water, and the filter screen hole size of three filter screen is different, after waste water passes through in proper order, can absorb the granule impurity of different diameters in the waste water in proper order. The different diameters of three filter screens are arranged, can prevent that the filter screen from blockking up.

Preferably, the filter element assembly comprises a plurality of hollow fiber membranes, end sockets and sealing covers which are arranged, the end sockets are arranged in the high-pressure tank, the sealing covers are arranged outside the high-pressure tank, a water outlet cavity communicated with the second water outlet is arranged between the sealing covers and the end sockets, and the water outlet of each hollow fiber membrane penetrates through the end sockets and is arranged in the water outlet cavity.

Through adopting above-mentioned technical scheme, waste water gets into in the high-pressure tank, carries out the filtration of micron granule through the hollow fiber membrane to waste water, and separation efficiency is high, simple structure, easily control and maintenance.

Preferably, the height of the water inlet of the high-pressure tank is lower than that of the water outlet of the hollow fiber membrane, the side wall of the high-pressure tank is provided with an air inlet, the air inlet is provided with an electromagnetic air valve, the air inlet of the electromagnetic air valve is connected with a variable-frequency air pump, and the high-pressure tank is provided with an air pressure sensor.

By adopting the technical scheme, the wastewater enters the hollow fiber membrane through the water inlet and flows out through the water outlet of the hollow fiber membrane. Because the delivery port of cavity limiting membrane is higher than the water inlet of pressure-cooker, the frequency conversion air pump can carry atmospheric pressure for the pressure-cooker for the atmospheric pressure increase in the pressure-cooker, thereby accelerate water from the delivery port outflow of hollow fiber membrane. The air pressure sensor can monitor the air pressure in the high-pressure tank, and when the air pressure is too large, pressurization can be stopped in time.

Preferably, the air intake holes include six air intake holes uniformly arranged around the side wall of the high-pressure tank.

By adopting the technical scheme, the high-pressure tank is pressurized in multiple directions, so that the pressurization stability is improved; the outer wall of the hollow fiber membrane can be impacted in the pressurizing process, so that impurities on the outer wall of the hollow fiber membrane fall off.

Preferably, a high-pressure pump is arranged between the water outlet of the filter box and the water inlet of the high-pressure tank.

Through adopting above-mentioned technical scheme, inhale the high-pressure tank in with water from the rose box through the high-pressure pump, can prevent the refluence.

Preferably, the water inlet cylinder comprises a cylindrical straight cylinder, a horn cylinder and a flow guide cone, the cylindrical straight cylinder penetrates through the primary sinking cylinder, the flow guide cone is installed at the large-diameter opening of the horn cylinder, the small-diameter opening of the horn cylinder is communicated with the water outlet of the cylindrical straight cylinder, and the tip of the flow guide cone is close to one side of the horn cylinder.

Through adopting above-mentioned technical scheme, carry the centre of primary caisson with waste water through the straight section of thick bamboo of cylinder, the flow guide awl changes the entering direction of waste water, reduces pan feeding kinetic energy, has improved the effect of suspending.

Preferably, the one end that the filter element subassembly was kept away from to the high-pressure tank is equipped with the circular arc and collects the fill, the high-pressure tank is equipped with the slag notch that communicates in the circular arc and collects the fill, the slag notch is equipped with the second blowoff valve.

Through adopting above-mentioned technical scheme, the second blowoff valve is used for controlling opening and close of row's cinder notch, and the circular arc is collected the guide micron granule accumulational waste material that the fill can be better and is discharged from row's cinder notch.

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

the metal precipitate, the coarse and fine particle impurities and the micron-sized particle impurities in the wastewater obtained by the polishing water are sequentially filtered, so that the impurity particles which can cause slight damage to the surfaces of compact parts can be avoided in the filtered water, the filtered water can be directly subjected to polishing, other secondary treatment steps are reduced, the cyclic utilization of the polishing water is improved, and the environmental protection requirement is met while the cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structural connection.

Fig. 2 is a schematic structural view of the primary settling mechanism.

Fig. 3 is a schematic structural diagram of the middle filter mechanism.

FIG. 4 is a schematic view of the structure of the ultrafiltration mechanism.

Fig. 5 is a schematic view of a water outlet of a hollow fiber membrane.

FIG. 6 is a schematic diagram of a high-pressure tank with multiple variable-frequency air pumps.

Fig. 7 is a schematic structural diagram of a primary sedimentation mechanism provided with a water outlet weir plate.

Description of reference numerals:

1. primarily sinking the cylinder;

2. a water inlet cylinder; 21. a cylindrical straight cylinder; 22. a horn; 23. a flow guide cone;

3. a first water outlet; 4. a filter box;

5. a filter member; 51. a first filter screen; 52. a second filter screen; 53. a third filter screen;

6. a high-pressure tank;

7. a filter element assembly; 71. a hollow fiber membrane; 72. sealing the end; 73. sealing the cover; 74. a water outlet cavity;

8. a second water outlet; 9. a conical collection hopper; 10. a sinking outlet; 11. a first waste valve; 12. a water outlet weir plate; 13. an air inlet; 14. an electromagnetic gas valve; 15. a variable frequency air pump; 16. an air pressure sensor; 17. a high pressure pump; 18. a circular arc collecting hopper; 19. a slag discharge port; 20. and a second blowdown valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a recycle device of polishing water.

A polishing water recycling device comprises a primary sedimentation mechanism, a middle filtering mechanism and an ultrafiltration mechanism which are sequentially communicated.

Example one

Referring to fig. 1, the primary sedimentation mechanism comprises a primary sedimentation cylinder 1 and a water inlet cylinder 2, a conical collecting hopper 9 is arranged at one end, away from the water inlet cylinder 2, of the primary sedimentation cylinder 1, a primary sedimentation cylinder 1 is provided with a primary sedimentation outlet 10 communicated with the conical collecting hopper 9, and the primary sedimentation outlet 10 is provided with a first sewage discharge valve 11.

The water inlet cylinder 2 is arranged on the primary sedimentation cylinder 1, the water inlet of the water inlet cylinder 2 is arranged at the upper end of the primary sedimentation cylinder 1, the water outlet of the water inlet cylinder 2 is arranged in the primary sedimentation cylinder 1, and the upper end of the primary sedimentation cylinder 1 is provided with a first water outlet 3.

The middle filtering mechanism comprises a filtering box 4 and a filtering piece 5 arranged in the filtering box 4, and a water inlet of the filtering box 4 is communicated with the first water outlet 3. The ultrafiltration mechanism comprises a high-pressure tank 6 and a filter element assembly 7, the filter element assembly 7 is installed in the high-pressure tank 6, a water inlet of the high-pressure tank 6 is communicated with a water outlet of the filter box 4, and the high-pressure tank 6 is provided with a second water outlet 8 communicated with the filter element assembly 7.

Referring to fig. 2, the water inlet cylinder 2 comprises a cylindrical straight cylinder 21, a horn cylinder 22 and a guiding cone 23, the cylindrical straight cylinder 21 penetrates through the primary sinking cylinder 1, the guiding cone 23 is installed at a large-diameter opening of the horn cylinder 22, a small-diameter opening of the horn cylinder 22 is communicated with a water outlet of the cylindrical straight cylinder 21, and a tip of the guiding cone 23 is close to one side of the horn cylinder 22.

Referring to fig. 3, the filtering member 5 includes a first filtering mesh 51, a second filtering mesh 52 and a third filtering mesh 53, which are arranged in an array, the diameters of the filtering meshes of the first filtering mesh 51, the second filtering mesh 52 and the third filtering mesh 53 are sequentially reduced, the water inlet of the filtering box 4 is located between the first filtering mesh 51 and the filtering box 4, and the water outlet of the filtering box 4 is located between the third filtering mesh 53 and the filtering box 4. A high-pressure pump 17 is arranged between the water outlet of the filter box 4 and the water inlet of the high-pressure tank 6.

Referring to fig. 4 and 5, the filter element assembly 7 includes a plurality of hollow fiber membranes 71, a sealing head 72 and a sealing cover 73, which are arranged in an array, the sealing head 72 is installed in the high-pressure tank 6, the sealing cover 73 is installed outside the high-pressure tank 6, and a water outlet cavity 74 communicated with the second water outlet 8 is arranged between the sealing cover 73 and the sealing head 72. Each hollow fiber membrane 71 is bent, so that the direction of the water outlets at the two ends of the hollow fiber membrane 71 is consistent, and each water outlet penetrates through the seal head 72 and is arranged in the water outlet cavity 74. The height of the water inlet of the high-pressure tank 6 is lower than that of the water outlet of the hollow fiber membrane 71, the side wall of the high-pressure tank 6 is provided with an air inlet 13, the air inlet 13 is provided with an electromagnetic air valve 14, the air inlet of the electromagnetic air valve 14 is connected with a variable-frequency air pump 15, and the high-pressure tank 6 is provided with an air pressure sensor 16. The one end that filter element group spare 7 was kept away from to high-pressure tank 6 is equipped with the circular arc and collects fill 18, and high-pressure tank 6 is equipped with the row's cinder notch 19 that communicates in circular arc collection fill 18, row's cinder notch 19 is equipped with second blowoff valve 20.

Referring to fig. 4 and 6, the air intake holes 13 include six that are uniformly arranged around the side wall of the high-pressure tank 6. An electromagnetic air valve 14 and a variable frequency air pump 15 are arranged in cooperation with each air inlet 13.

The implementation principle of the recycling device of the polishing water in the embodiment of the application is as follows: waste water after using the polishing flows in from the water inlet of a section of thick bamboo 2, and through the dispersion of water conservancy diversion awl 23 entering primary sedimentation section of thick bamboo 1 in filter for the first time, metal impurity in the waste water can deposit and drop to the toper collect fill 9 in, and the waste water in the primary sedimentation section of thick bamboo 1 flows out from first delivery port 3. The wastewater entering the filtering tank 4 passes through the first filter screen 51, the second filter screen 52 and the third filter screen 53 in sequence, and particle impurities with different diameters in the wastewater are absorbed in sequence. The high-pressure pump 17 sucks the filtered wastewater in the filter tank 4 into the high-pressure tank 6, and the frequency conversion air pump 15 pressurizes the high-pressure pump 17, so that the wastewater flows into a water outlet cavity 74 between the sealing cover 73 and the sealing head 72 through the hollow fiber membrane 71, and finally the filtered water flows out from the second water outlet 8.

Example two

Referring to fig. 7, a recycling device for polishing water is different from the first embodiment in that a water outlet weir plate 12 is arranged in a primary sedimentation cylinder 1, the water outlet weir plate 12 is arranged around the inner wall of the primary sedimentation cylinder 1, the water outlet weir plate 12 and the primary sedimentation cylinder 1 form a water outlet cavity, a first water outlet 3 is communicated with the water outlet cavity, and a water outlet of the water outlet weir plate 12 is a tooth-shaped outlet.

The implementation principle of the recycling device of the polishing water in the embodiment of the application is as follows: the wastewater in the primary sedimentation cylinder 1 firstly passes through the tooth-shaped water outlet of the water outlet weir plate 12, flows into the water outlet cavity 74 formed with the primary sedimentation cylinder 1 through the tooth-shaped water outlet, and then flows out from the first water outlet 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a recycle device of polishing water which characterized in that: the device comprises a primary sedimentation mechanism, a middle filtration mechanism and an ultrafiltration mechanism which are sequentially communicated, wherein the primary sedimentation mechanism comprises a primary sedimentation cylinder (1) and a water inlet cylinder (2), the water inlet cylinder (2) is penetratingly arranged on the primary sedimentation cylinder (1), a water inlet of the water inlet cylinder (2) is arranged outside the primary sedimentation cylinder (1), a water outlet of the water inlet cylinder (2) is arranged in the primary sedimentation cylinder (1), and a first water outlet (3) is arranged at the upper end of the primary sedimentation cylinder (1); the middle filtering mechanism comprises a filtering box (4) and a filtering piece (5) arranged in the filtering box (4), and a water inlet of the filtering box (4) is communicated with the first water outlet (3); the ultrafiltration mechanism comprises a high-pressure tank (6) and a filter element assembly (7), wherein the filter element assembly (7) is installed in the high-pressure tank (6), a water inlet of the high-pressure tank (6) is communicated with a water outlet of the filter box (4), and the high-pressure tank (6) is provided with a second water outlet (8) communicated with the filter element assembly (7).

2. The recycling apparatus of water for polishing as set forth in claim 1, wherein: the water inlet device is characterized in that a conical collecting hopper (9) is arranged at one end, away from the water inlet barrel (2), of the primary sedimentation barrel (1), a sedimentation outlet (10) communicated with the conical collecting hopper (9) is formed in the primary sedimentation barrel (1), and a first drain valve (11) is arranged at the sedimentation outlet (10).

3. The recycling apparatus of water for polishing as set forth in claim 1, wherein: the primary sedimentation cylinder (1) is internally provided with a water outlet weir plate (12) used for separating the primary sedimentation cylinder (1) and the first water outlet (3), and the water outlet of the water outlet weir plate (12) is communicated with the first water outlet (3).

4. The recycling apparatus of water for polishing as set forth in claim 1, wherein: filter piece (5) including arranging first filter screen (51), second filter screen (52) and third filter screen (53) that set up, the filter screen hole diameter of first filter screen (51), second filter screen (52) and third filter screen (53) reduces in proper order, the water inlet of rose box (4) is located between first filter screen (51) and rose box (4), the delivery port of rose box (4) is located between third filter screen (53) and rose box (4).

5. The recycling apparatus of water for polishing as set forth in claim 1, wherein: the filter element assembly (7) comprises a plurality of hollow fiber membranes (71), seal heads (72) and seal covers (73), wherein the seal heads (72) are arranged in a high-pressure tank (6), the seal covers (73) are arranged outside the high-pressure tank (6), a water outlet cavity (74) communicated with a second water outlet (8) is formed between each seal head (73) and the corresponding seal head (72), and any water outlet of each hollow fiber membrane (71) penetrates through each seal head (72) to be arranged in the corresponding water outlet cavity (74).

6. The recycling apparatus of polishing water according to claim 5, wherein: the height that highly is less than the delivery port of hollow fiber membrane (71) of the water inlet of high-pressure tank (6), the lateral wall of high-pressure tank (6) is equipped with inlet port (13), inlet port (13) are equipped with electromagnetism pneumatic valve (14), the air inlet of electromagnetism pneumatic valve (14) is connected with frequency conversion air pump (15), be equipped with baroceptor (16) on high-pressure tank (6).

7. The recycling apparatus of polishing water according to claim 6, wherein: the air inlet holes (13) comprise six air inlet holes which are uniformly arranged around the side wall of the high-pressure tank (6).

8. The recycling apparatus of water for polishing as set forth in claim 1, wherein: and a high-pressure pump (17) is arranged between the water outlet of the filter box (4) and the water inlet of the high-pressure tank (6).

9. The recycling apparatus of water for polishing as set forth in claim 1, wherein: the water inlet cylinder (2) comprises a cylindrical straight cylinder (21), a horn cylinder (22) and a guide cone (23), the cylindrical straight cylinder (21) runs through a primary sinking cylinder (1) and is arranged, the guide cone (23) is installed at a large-diameter opening of the horn cylinder (22), a small-diameter opening of the horn cylinder (22) is communicated with a water outlet of the cylindrical straight cylinder (21), and the tip of the guide cone (23) is close to one side of the horn cylinder (22).

10. The recycling apparatus of water for polishing as set forth in claim 1, wherein: the one end that filter element group spare (7) was kept away from in high-pressure tank (6) is equipped with the circular arc and collects fill (18), high-pressure tank (6) are equipped with and communicate in circular arc collection fill discharge opening (19) of (18), discharge opening (19) are equipped with second blowoff valve (20).