CN215161856U

CN215161856U - Waste emulsion treatment system in mechanical industry

Info

Publication number: CN215161856U
Application number: CN202121125644.5U
Authority: CN
Inventors: 毛莉莉; 冯杰; 陈晓; 陶国建; 许青枝; 刘晓来; 万林
Original assignee: Zhejiang Taicheng Enviroment Technology Co ltd
Current assignee: Zhejiang Taicheng Enviroment Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-14
Anticipated expiration: 2031-05-24

Abstract

The utility model provides a useless emulsion processing system of machinery trade. The utility model relates to a waste emulsion treatment system in the mechanical industry, which comprises a standing device, a demulsifying device, an air flotation device and a distiller; the standing device, the emulsion breaker and the distiller are sequentially butted; the standing device is used for standing the waste emulsion to remove floating oil and waste metal chips; the emulsion breaker is used for carrying out emulsion breaking treatment on the waste emulsion after standing in the standing device; the air floatation device is used for carrying out air floatation treatment on the waste emulsion in the emulsion breaker; the distiller is used for distilling the waste emulsion after demulsification and air floatation in the demulsifying device. Above-mentioned waste emulsion processing system can carry out the scale to waste emulsion and handle to finally realize discharge to reach standard.

Description

Waste emulsion treatment system in mechanical industry

Technical Field

The utility model relates to a useless emulsion processing system especially relates to a useless emulsion processing system of machinery trade.

Background

The emulsion is a high-performance semisynthetic metal working fluid, is particularly suitable for processing various aluminum metals and alloys thereof, and plays roles in lubrication, cooling, washing and rust prevention in the mechanical processing process.

The waste emulsion after processing in the mechanical industry is called dangerous waste and is characterized by high concentration and poor biodegradability of pollutants such as petroleum and COD. Besides the harm of common oily wastewater, the waste emulsion has the advantages that mechanical oil is highly dispersed in water due to the action of a surfactant, animals, plants and aquatic organisms can absorb the waste emulsion more easily, the surfactant is harmful to the organisms, some water-insoluble toxic substances can be dissolved, and simultaneously, in order to improve the rust resistance of the emulsion, the added sodium nitrite is easily converted into imine, so that an ecosystem is seriously damaged.

Therefore, the machining industry is urgently needed to treat the waste emulsion on a large scale and finally discharge the waste emulsion after reaching the standard.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a useless emulsion processing system of mechanical industry, this system can carry out the scale to useless emulsion and handle to finally realize discharge to reach standard.

In order to solve the technical problem, the technical scheme of the utility model is that: a waste emulsion treatment system in the mechanical industry comprises a standing device, a demulsifying device, an air flotation device and a distiller;

the standing device, the demulsifying device and the distiller are sequentially butted;

the standing device is used for standing the waste emulsion and removing floating oil and waste metal chips;

the emulsion breaker is used for carrying out emulsion breaking treatment on the waste emulsion after standing in the standing device;

the air floatation device is used for carrying out air floatation treatment on the waste emulsion in the emulsion breaker;

the distiller is used for distilling waste emulsion which is subjected to demulsification and air floatation in the demulsifying device.

According to the technical scheme, the waste emulsion firstly flows into the standing device, the upper layer of the waste emulsion in the standing device is the floating oil, and the lower layer of the waste emulsion is the waste metal chips, so that the floating oil and the waste metal chips can be effectively removed; the waste emulsion after the standing device enters a demulsifying device, and acid or calcium chloride solution can be added into the demulsifying device for demulsification treatment; the air flotation device carries out air flotation treatment on the waste emulsion after the demulsification treatment of the demulsification device so as to separate scum or sediment; the waste emulsion after demulsification and air floatation by the demulsifying device enters a distiller for distillation, and the distillate has low concentration of various pollutants and is easy to discharge after reaching the standard; above-mentioned waste emulsion processing system can carry out the scale to waste emulsion and handle to finally realize discharge to reach standard.

Preferably, the standing device comprises a liquid collecting tank, a filter tank is installed at the notch of the liquid collecting tank, and a filter screen is arranged in the filter tank.

Through above-mentioned technical scheme, pour waste emulsion into the collecting tank in, the filter screen can filter the useless metal fillings in the waste emulsion and remain in the filter screen, reaches the effect of useless metal fillings in the effective filtration waste emulsion.

Preferably, the demulsifying device comprises a demulsifying tank, a first communication pipe is connected between the demulsifying tank and the liquid collecting tank, one end of the first communication pipe is communicated with the bottom position of the liquid collecting tank, and the other end of the first communication pipe is communicated with the notch position of the demulsifying tank.

Through above-mentioned technical scheme, because the useless emulsion upper strata in the collecting tank is the oil slick, first communicating pipe is located and is close to collecting tank bottom position, at this moment, can guarantee that the useless emulsion except the oil slick enters into the breakdown of emulsion inslot from first communicating pipe.

Preferably, a first valve is installed on the first communication pipe and used for controlling the on-off of the internal water flow of the first communication pipe.

Through above-mentioned technical scheme, through first valve, the inside rivers break-make of first connecting pipe of effective control, the simple operation.

Preferably, the demulsification device further comprises a slag scraping element, wherein the slag scraping element is arranged at a position, close to the notch, of the demulsification tank;

the slag scraping piece comprises a slag scraping plate and a driving assembly used for driving the slag scraping plate to perform reciprocating movement, and the slag scraping plate is used for scraping scum in the liquid collecting tank.

Through above-mentioned technical scheme, the useless emulsion in the collecting tank is after breakdown of emulsion, air supporting, and its surface can generate the dross, and at this moment, drive assembly drive scum board carries out reciprocating motion, and the scum board can promote the dross and remove toward the unilateral to clear away the dross better.

Preferably, the driving assembly comprises a driving motor and a driving screw rod, the driving motor is used for driving the driving screw rod to rotate, and the driving screw rod penetrates through and is in threaded connection with the slag scraping plate.

Through above-mentioned technical scheme, driving motor drives the drive lead screw and rotates, and the drive lead screw drives the scum board and makes a round trip reciprocating motion, and the removal of scum board is more steady, and the efficiency of scraping of dross is higher.

Preferably, the cell wall of breakdown of emulsion groove is gone up to run through and is equipped with the dross hole, the outside of breakdown of emulsion groove is equipped with the dross and collects the frame, the scum board can be scraped the dross in the breakdown of emulsion groove to the dross from the dross hole and collect in the frame.

Through above-mentioned technical scheme, the scum board promotes the dross and removes toward dross hole one side, and in the dross can enter into dross collection frame through the dross hole, the work is collected to the automatic dross that accomplishes.

Preferably, the air floatation device comprises a water tank body and an inflating part, the water tank body is used for storing water, the inflating part is used for injecting compressed air into the water stored in the water tank body, a second communicating pipe is connected between the water tank body and the demulsification tank, and a plurality of water through holes are formed in the pipe wall of the second communicating pipe located in the demulsification tank.

Through the technical scheme, aerify the piece and can impress compressed air the internal aquatic of water pitcher, the internal water that has air bubble of water pitcher can enter into the breakdown of emulsion inslot through the second communicating pipe, the water that has air bubble can follow the limbers and jet out, spray to the waste emulsion after the breakdown of emulsion inslot, alum blossom in the waste emulsion can adhere to air particle surface, rise together along with air bubble, alum blossom in the waste emulsion also can gradually float the upper surface in the breakdown of emulsion groove, finally reach the effect of scraping the dross.

Preferably, a branch pipe is arranged on a second communicating pipe positioned in the emulsion breaking tank, the second communicating pipe and the branch pipe are uniformly distributed at the bottom position of the emulsion breaking tank, and a plurality of water through holes are formed in the branch pipe.

Through above-mentioned technical scheme, from the limbers spun water on second communicating pipe and the lateral, can produce the impact to the useless emulsion in the breakdown of emulsion groove more evenly, promote the air supporting effect by a wide margin.

Preferably, the distiller comprises a preheater, a heater, a compressor, an evaporation chamber and a circulating pump;

a first channel and a second channel are arranged in the heater, a liquid inlet channel and a liquid outlet channel are arranged in the preheater, and a liquid inlet, a gas outlet, a first liquid outlet and a second liquid outlet are arranged in the evaporation chamber;

the liquid inlet channel is communicated with the first channel, the end part of the first channel, which is far away from the liquid inlet channel, is communicated with the liquid inlet, a compressor is connected between the gas outlet and the second channel, a circulating pump is connected between the first liquid outlet and the first channel, which is close to the liquid inlet channel, and the second channel is communicated with the liquid outlet channel;

and the second liquid outlet is used for discharging accumulated liquid in the evaporation chamber.

Through the technical scheme, the waste emulsion after demulsification in the demulsification tank can sequentially enter the liquid inlet channel and the first channel, the heater can heat the waste emulsion in the first channel, the heated waste emulsion in the first channel can enter the evaporation chamber through the liquid inlet, on one hand, the part of the waste emulsion in the evaporation chamber, which generates steam, can enter the compressor from the gas outlet, the compressor pumps the part of the steam into the second channel, the steam in the second channel enters the liquid outlet channel to flow out of the liquid, and the steam passing through the second channel can transfer heat to the waste emulsion in the first channel through the preheater; on the other hand, the residual waste emulsion liquid in the evaporation chamber can enter the first channel again through the first liquid outlet and the circulating pump for cyclic evaporation and utilization.

Drawings

FIG. 1 is a schematic structural framework diagram of an embodiment;

FIG. 2 is a connection relation diagram between a liquid collecting tank and a demulsification tank;

FIG. 3 is a diagram of the connection between the demulsification tank and the air flotation device;

FIG. 4 is a plan view of the emulsion breaking tank for highlighting the specific shape of the branch pipe and the second communicating pipe;

FIG. 5 is a schematic view of the structure of the distiller.

Reference numerals: 1. a standing device; 11. a liquid collecting tank; 12. a filter tank; 13. a filter screen; 2. a demulsifying device; 21. a demulsification tank; 22. a scum hole; 3. an air floatation device; 31. a water tank body; 32. an inflatable member; 4. a distiller; 41. a preheater; 411. a liquid inlet channel; 412. a liquid outlet channel; 42. a heater; 421. a first channel; 422. a second channel; 43. a compressor; 44. an evaporation chamber; 441. a liquid inlet; 442. an air outlet; 443. a first liquid outlet; 444. a second liquid outlet; 45. a circulation pump; 5. a first communication pipe; 6. a first valve; 7. a slag scraping piece; 71. a slag scraping plate; 72. a drive assembly; 721. a drive motor; 722. driving the screw rod; 8. a scum collection frame; 9. a second communicating pipe; 10. a water through hole; 101. a branch pipe; 102. a second valve.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

A waste emulsion treatment system in the mechanical industry is shown in figure 1 and comprises a standing device 1, a demulsifying device 2, an air flotation device 3 and a distiller 4. The standing device 1, the emulsion breaker 2 and the distiller 4 are sequentially butted, and the air floatation device 3 is butted with the emulsion breaker 2.

Wherein, the waste emulsion firstly enters into the standing device 1, and the standing device 1 is used for standing the waste emulsion and removing floating oil and waste metal chips.

Referring to fig. 2, the static device 1 includes a liquid collecting tank 11, a filtering tank 12 is installed at a notch of the liquid collecting tank 11, and a filtering net 13 is arranged in the filtering tank 12. The filter tank 12 is arranged at the edge of the liquid collecting tank 11.

Referring to fig. 1, the waste emulsion in the standing device 1 flows into the emulsion breaker 2, and the emulsion breaker 2 is used for performing emulsion breaking treatment on the waste emulsion after standing in the standing device 1.

Referring to fig. 2 and 3, the emulsion breaker 2 includes a emulsion breaking groove 21, a first communication pipe 5 is connected between the emulsion breaking groove 21 and the liquid collecting groove 11, one end of the first communication pipe 5 is communicated with the bottom of the liquid collecting groove 11, and the other end of the first communication pipe 5 is communicated with the notch of the emulsion breaking groove 21.

Referring to fig. 2, a first valve 6 is installed on the first communication pipe 5, and the first valve 6 is used for controlling the on-off of the internal water flow of the first communication pipe 5.

Referring to fig. 3, the device also comprises a slag scraping element 7, wherein the slag scraping element 7 is arranged at a position close to the notch of the emulsion breaking groove 21;

the scraper 7 comprises a scraper plate 71 and a driving assembly 72 for driving the scraper plate 71 to reciprocate, and the scraper plate 71 is used for scraping scum in the emulsion breaking tank 21.

The driving assembly 72 includes a driving motor 721 and a driving screw rod 722, the driving motor 721 is used for driving the driving screw rod 722 to rotate, the driving screw rod 722 is horizontally disposed, and the driving screw rod 722 penetrates through and is in threaded connection with the slag scraping plate 71.

The wall of the demulsification tank 21 is provided with a scum hole 22 in a penetrating way, the outer side of the demulsification tank 21 is provided with a scum collecting frame 8, and the scum in the demulsification tank 21 can be scraped into the scum collecting frame 8 from the scum hole 22 by the scum board 71.

Referring to fig. 3, the air flotation device 3 is used for air flotation treatment of the waste emulsion in the emulsion breaker 2.

The air floatation device 3 comprises a water tank body 31 and an air inflation piece 32, wherein the water tank body 31 is used for storing water, the air inflation piece 32 is used for injecting compressed air into the water stored in the water tank body 31, a second communicating pipe 9 is connected between the water tank body 31 and the emulsion breaking tank 21, and a plurality of water through holes 10 are formed in the pipe wall of the second communicating pipe 9 positioned in the emulsion breaking tank 21.

Referring to fig. 3 and 4, a branch pipe 101 is disposed on the second communicating pipe 9 located in the emulsion breaking tank 21, the second communicating pipe 9 and the branch pipe 101 are distributed at the bottom of the emulsion breaking tank 21, and a plurality of water through holes 10 are disposed on the branch pipe 101.

A second valve 102 is disposed on the second communication pipe 9, and the second valve 102 is used for controlling the on-off of the internal water flow of the second communication pipe 9.

Wherein, the waste emulsion after the air flotation treatment by the air flotation device 3 can enter the distiller 4, and the distiller 4 is used for distilling the waste emulsion after the emulsion breaking and the air flotation in the emulsion breaker 2.

Referring to fig. 5, the distiller 4 includes a preheater 41, a heater 42, a compressor 43, an evaporation chamber 44, and a circulation pump 45.

The heater 42 is provided with a first channel 421 and a second channel 422, and the heater 42 can heat the first channel 421. A liquid inlet passage 411 and a liquid outlet passage 412 are arranged in the preheater 41. The evaporation chamber 44 is provided with a liquid inlet 441, a gas outlet 442, a first liquid outlet 443, and a second liquid outlet 444.

The liquid inlet channel 411 is communicated with the first channel 421, the end of the first channel 421 departing from the liquid inlet channel 411 is communicated with the liquid inlet 441, the compressor 43 is connected between the air outlet 442 and the second channel 422, the circulating pump 45 is connected between the first liquid outlet 443 and the first channel 421 close to the liquid inlet channel 411, and the second channel 422 is communicated with the liquid outlet channel 412.

The second liquid outlet 444 is used for discharging the accumulated liquid in the evaporation chamber 44.

The specific working process is as follows:

waste emulsion generated in the machinery industry is poured into the filter tank 12, waste metal chips in the waste emulsion can be filtered by the filter screen 13 in the filter tank 12, the waste emulsion after the waste metal chips are filtered can flow into the liquid collecting tank 11, after standing, floating oil in the waste emulsion can float to the upper surface, the first valve 6 is opened, the waste emulsion below enters the emulsion breaking tank 21 from the first communicating pipe 5, acid or calcium chloride solution is added into the emulsion breaking tank 21 for emulsion breaking, after emulsion breaking is completed, coagulant and coagulant aid are added to enable alum blossom to be generated in the waste emulsion, the compressed air is filled into the water tank body 31 by the air filling piece 32, the second valve 102 is opened, water in the water tank body 31 can enter the waste emulsion in the emulsion breaking tank 21 through the water through holes 10 on the second communicating pipe 9 and the water through holes 10 on the branch pipe 101, the alum blossom can be stained on the outer surface of air bubbles in the water and move upwards along with the air bubbles, alum blossom floats on the upper surface of the waste emulsion to form scum, the driving motor 721 drives the driving screw 722 to rotate, the driving screw 722 drives the scum board 71 to horizontally move, the scum board 71 scrapes the scum to the scum holes 22, the scum falls into the scum collecting frame 8 from the scum holes 22, the waste emulsion subjected to air floatation treatment sequentially enters the liquid inlet channel 411, the heater 42 can heat the waste emulsion in the first channel 421, the heated waste emulsion in the first channel 421 can enter the evaporation chamber 44 through the liquid inlet 441, on one hand, a part of the waste emulsion in the evaporation chamber 44, which generates steam, can enter the compressor 43 from the gas outlet 442, the compressor 43 pumps the part of the steam into the second channel 422, the steam in the second channel 422 enters the liquid outlet channel 412 to flow out of the liquid, and the steam passing through the second channel 422 can transfer heat to the waste emulsion in the first channel 421 through the preheater 41; on the other hand, the residual waste emulsion liquid in the evaporation chamber 44 can also enter the first channel 421 again through the first liquid outlet 443 and the circulating pump 45 for cyclic evaporation and utilization; of course, the liquid in the evaporation chamber 44 can be discharged through the second liquid outlet 444.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a useless emulsion processing system of machinery trade, characterized by: comprises a standing device (1), a demulsifying device (2), an air flotation device (3) and a distiller (4);

the standing device (1), the demulsifying device (2) and the distiller (4) are sequentially butted;

the standing device (1) is used for standing the waste emulsion and removing floating oil and waste metal chips;

the emulsion breaker (2) is used for carrying out emulsion breaking treatment on the waste emulsion after standing in the standing device (1);

the air floatation device (3) is used for carrying out air floatation treatment on the waste emulsion in the emulsion breaker (2);

the distiller (4) is used for distilling the waste emulsion after demulsification and air floatation in the demulsifying device (2).

2. The mechanical industry waste emulsion processing system of claim 1, wherein: the standing device (1) comprises a liquid collecting tank (11), a filter tank (12) is installed at the notch of the liquid collecting tank (11), and a filter screen (13) is arranged in the filter tank (12).

3. The mechanical industry waste emulsion processing system of claim 2, wherein: the demulsifying device (2) comprises a demulsifying tank (21), a first communication pipe (5) is connected between the demulsifying tank (21) and the liquid collecting tank (11), one end of the first communication pipe (5) is communicated with the bottom position of the liquid collecting tank (11), and the other end of the first communication pipe (5) is communicated with the notch position of the demulsifying tank (21).

4. The mechanical industry waste emulsion processing system of claim 3, wherein: install first valve (6) on first connecting pipe (5), first valve (6) are used for controlling the inside rivers break-make of first connecting pipe (5).

5. The mechanical industry waste emulsion processing system of claim 2 or 3, wherein: the device also comprises a slag scraping piece (7), wherein the slag scraping piece (7) is arranged at the position, close to the notch, of the demulsification tank (21);

the slag scraping piece (7) comprises a slag scraping plate (71) and a driving assembly (72) used for driving the slag scraping plate (71) to move in a reciprocating mode, and the slag scraping plate (71) is used for scraping scum in the liquid collecting tank (11).

6. The mechanical industry waste emulsion processing system of claim 5, wherein: the driving assembly (72) comprises a driving motor (721) and a driving screw rod (722), the driving motor (721) is used for driving the driving screw rod (722) to rotate, and the driving screw rod (722) penetrates through and is in threaded connection with the slag scraping plate (71).

7. The mechanical industry waste emulsion processing system of claim 5, wherein: the cell wall of breakdown of emulsion groove (21) is gone up to run through and is equipped with scum hole (22), the outside of breakdown of emulsion groove (21) is equipped with scum and collects frame (8), scum board (71) can be scraped the scum in breakdown of emulsion groove (21) to in scum collection frame (8) from scum hole (22).

8. The mechanical industry waste emulsion processing system of claim 3 or 4, wherein: the air floatation device (3) comprises a water tank body (31) and an inflating part (32), wherein the water tank body (31) is used for storing water, the inflating part (32) is used for injecting compressed air into the water stored in the water tank body (31), a second communicating pipe (9) is connected between the water tank body (31) and the emulsion breaking groove (21), and a plurality of water through holes (10) are formed in the pipe wall of the second communicating pipe (9) located in the emulsion breaking groove (21).

9. The mechanical industry waste emulsion processing system of claim 8, wherein: be provided with bleeder (101) on being located second communicating pipe (9) in breakdown of emulsion groove (21), second communicating pipe (9) and bleeder (101) are equallyd divide the tank bottom position in breakdown of emulsion groove (21), be equipped with a plurality of limbers (10) on bleeder (101).

10. The mechanical industry waste emulsion processing system of claim 1, wherein: the distiller (4) comprises a preheater (41), a heater (42), a compressor (43), an evaporation chamber (44) and a circulating pump (45);

a first channel (421) and a second channel (422) are arranged in the heater (42), a liquid inlet channel (411) and a liquid outlet channel (412) are arranged in the preheater (41), and a liquid inlet (441), a gas outlet (442), a first liquid outlet (443) and a second liquid outlet (444) are arranged in the evaporation chamber (44);

the liquid inlet channel (411) is communicated with the first channel (421), the end of the first channel (421) departing from the liquid inlet channel (411) is communicated with the liquid inlet (441), a compressor (43) is connected between the air outlet (442) and the second channel (422), a circulating pump (45) is connected between the first liquid outlet (443) and the first channel (421) close to the liquid inlet channel (411), and the second channel (422) is communicated with the liquid outlet channel (412);

the second liquid outlet (444) is used for discharging the accumulated liquid in the evaporation chamber (44).