CN111470695A - Cutting fluid treatment method and treatment device - Google Patents
Cutting fluid treatment method and treatment device Download PDFInfo
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- CN111470695A CN111470695A CN202010321449.3A CN202010321449A CN111470695A CN 111470695 A CN111470695 A CN 111470695A CN 202010321449 A CN202010321449 A CN 202010321449A CN 111470695 A CN111470695 A CN 111470695A
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- Prior art keywords
- tank
- cutting fluid
- steam
- steam tank
- compressor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
Abstract
The invention discloses a cutting fluid treatment method, which comprises the following steps: (1) pumping the cutting fluid into a steam tank through a vacuum pump, forming vacuum in the steam tank, and communicating the top of the steam tank with the top of a condensing tank; (2) the high-pressure end of the compressor extends into the steam tank to heat the cutting fluid in the steam tank, and the low-pressure end of the compressor extends into the condensing tank to cool the condensing tank; (3) cutting fluid in the steam jar is heated under vacuum condition and is evaporated, and the steam that produces gets into in the condensate tank, and water is retrieved after filtering in the condensate tank to the water condensation. The cutting fluid processing device comprises a vacuum water pump, a steam tank, a condensing tank and a compressor, wherein the container and the vacuum water pump are respectively communicated with the steam tank, and the top of the steam tank is communicated with the top of the condensing tank. The cutting fluid treatment method and the treatment device can separate water and oil in the cutting fluid, the water can be recycled, a small amount of oil or concentrated cutting fluid is left, and the treatment cost can be greatly reduced.
Description
Technical Field
The present invention relates to a cutting fluid treatment method and a treatment apparatus.
Background
In the mechanical cutting production, cutting fluid is used for ensuring the normal work of a machine tool, so that the temperature of a cutter and a workpiece is reduced, and the smooth operation of cutting is ensured. Some oily chemical components are added in the preparation of the cutting fluid, and the cutting fluid used in the machine tool pollutes the environment if being randomly discharged. Even if these cutting fluids are collected during cutting, the subsequent treatment is problematic. Because these cutting fluids require specialized processing units to perform the harmless treatments, the processing of a large amount of cutting fluid adds considerable expense and cost to the machining enterprise. How to reduce the processing amount of the cutting fluid or reduce the generation of waste and the environmental pollution is a problem to be considered and solved.
Disclosure of Invention
The invention mainly solves the technical problem of providing a cutting fluid treatment method and a treatment device, the cutting fluid treatment method and the treatment device can separate water and oil in the cutting fluid, the water can be recycled, a small amount of oil or concentrated cutting fluid is left, the volume is greatly reduced, and the treatment cost can be greatly reduced.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a cutting fluid treatment method, which comprises the following steps:
(1) pumping the cutting fluid into a steam tank through a vacuum pump, forming vacuum in the steam tank, and communicating the top of the steam tank with the top of a condensing tank;
(2) the high-pressure end of the compressor extends into the steam tank to heat the cutting fluid in the steam tank, and the low-pressure end of the compressor extends into the condensing tank to cool the condensing tank;
(3) cutting fluid in the steam jar is heated under vacuum condition and is evaporated, and the steam that produces gets into in the condensate tank, and water is retrieved after filtering in the condensate tank to the water condensation.
In a preferred embodiment of the present invention, the steam tank is communicated with a diaphragm pump, and the cutting fluid in the steam tank enters the diaphragm pump and is pumped back into the steam tank by the diaphragm pump, so that the cutting fluid in the steam tank is in a moving state.
The invention also provides a processing device used in the cutting fluid processing method, the cutting fluid to be processed is contained in the cutting fluid container, the processing device comprises a vacuum-pumping water pump, a steam tank, a condensing tank and a compressor, the cutting fluid container and the vacuum-pumping water pump are respectively communicated with the steam tank, the top of the steam tank is communicated with the top of the condensing tank, the compressor comprises a high-pressure end capable of generating heat and a low-pressure end capable of cooling, the high-pressure end extends into the steam tank, the low-pressure end extends into the condensing tank, and a clear water outlet pipe is arranged on the condensing tank.
In a preferred embodiment of the present invention, a filter is disposed on the clean water outlet pipe.
In a preferred embodiment of the invention, a filter is provided in the conduit between the vessel and the steam drum.
In a preferred embodiment of the invention, a diaphragm pump is also included, the diaphragm pump being in communication with the vapor canister.
In a preferred embodiment of the present invention, a heat dissipation mechanism for dissipating heat from the compressor is further included.
In a preferred embodiment of the invention, the vacuum pump further comprises a control unit for controlling the operation of the vacuum pump, the compressor and the diaphragm pump.
The invention has the beneficial effects that: the cutting fluid treatment method and the treatment device can pump the cutting fluid into the steam tank through the vacuum pump, the cutting fluid is heated and evaporated in the steam tank, the generated steam enters the condensing tank and is condensed into water in the condensing tank, the condensed water is filtered and recovered, the oil is retained, the water and the oil in the cutting fluid can be separated, the water can be recycled, a small amount of oil or concentrated cutting fluid is left, the volume is greatly reduced, the treatment cost can be greatly reduced, the waste generation is reduced, the environmental pollution is reduced, the cutting fluid is thoroughly treated, a pure physical method is adopted, no chemical agent is required to be added, and the treatment cost is relatively low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic view showing the construction of a cutting fluid treatment apparatus according to the present invention.
The parts in the drawings are numbered as follows: 1. the device comprises a cutting fluid container, 2, a first fluid inlet pipe, 3, a steam tank, 4, a connecting pipe, 5, a fluid return pipe, 6, a condensing tank, 7, a vacuum water pump, 8, a high-pressure end, 9, a second fluid inlet pipe, 10, a diaphragm pump, 11, a compressor, 12, a low-pressure end, 13, a clean water outlet pipe, 14, a filter, 15, a clean water container, 16 and an oil outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention comprises the following steps:
referring to fig. 1, the cutting fluid treatment method of the present invention includes the following steps:
(1) pumping the cutting fluid into a steam tank through a vacuum pump, forming vacuum in the steam tank, and communicating the top of the steam tank with the top of a condensing tank;
(2) the high-pressure end of the compressor extends into the steam tank to heat the cutting fluid in the steam tank, and the low-pressure end of the compressor extends into the condensing tank to cool the condensing tank;
(3) the cutting fluid in the steam tank is heated and evaporated under the vacuum condition, the cutting fluid can be evaporated at 37-42 ℃ under the vacuum condition, the generated steam enters the condensing tank, the temperature of the steam in the condensing tank can be reduced to about 10-20 ℃ under the action of the low-pressure end of the compressor, the steam is condensed into water in the condensing tank, the condensing tank is connected with a drain pipe, and the condensed water flows out of the drain pipe and can be recycled after being filtered. After such evaporation and condensation, the water in the cutting fluid is substantially separated and recycled.
Preferably, the steam drum is communicated with a diaphragm pump, and the cutting fluid in the steam drum is pumped back into the steam drum by the diaphragm pump after entering the diaphragm pump, so that the cutting fluid in the steam drum is in a moving state under the action of the diaphragm pump, water and oil in the cutting fluid are fully mixed, the cutting fluid in the steam drum is stirred similarly, and the cutting fluid is fully evaporated. The diaphragm pump is provided with an oil collecting container, oil in the cutting fluid is stored in the container on the diaphragm pump, meanwhile, the oil collecting container can be connected with other pipes and valves, and the oil in the oil collecting container can be discharged after being stored to a certain amount. Thus, the final oil amount is small, the treatment is convenient, the treatment cost is low compared with that of a large amount of cutting fluid, and the produced pollutants are less.
The invention also provides a processing device used in the cutting fluid processing method, which comprises a vacuum pumping water pump 7, a steam tank 3, a condensing tank 6 and a compressor 11, wherein the cutting fluid container 1 for containing the cutting fluid and the vacuum pumping water pump 7 are respectively communicated with the steam tank 3, the top of the steam tank 3 is communicated with the top of the condensing tank 6 through a connecting pipe 4, the compressor 11 comprises a high-pressure end 8 capable of generating heat and a low-pressure end 12 capable of cooling, the high-pressure end 8 extends into the steam tank 3 to heat the cutting fluid in the steam tank 3, the low-pressure end 12 extends into the condensing tank 6, a clear water outlet pipe 13 is arranged on the condensing tank 6, and a filter 14 is arranged on the clear water outlet pipe 13.
When the cutting fluid treatment device works, the vacuum pump 7 works to vacuumize the steam tank 3, the cutting fluid in the cutting fluid container 1 enters the steam tank 3 through the first fluid inlet pipe 2, the cutting fluid in the steam tank 3 is heated by the high-pressure end 8 of the compressor 11, the cutting fluid in the steam tank 3 starts to evaporate when the temperature of the cutting fluid in the steam tank 3 reaches about 37 ℃, water vapor is evaporated, and the water vapor enters the condensing tank 6 through the connecting pipe 4. The temperature in the condensing tank 6 is reduced to about 10-20 ℃ under the cooling effect of the low-pressure end 12 of the compressor 11, at the moment, the water vapor entering the condensing tank 6 starts to condense to form water, the water and the oil in the cutting fluid are separated, the separated water flows out from the clean water outlet pipe 13, and the water is filtered by the filter 14 and then enters the clean water container to be collected, and the collected water can be reused. The oil in the cutting fluid is concentrated while remaining in the steam tank 3.
Preferably, steam drum 3 communicates with a diaphragm pump 10, and the cutting fluid in steam drum 3 can enter into diaphragm pump 10 from second feed liquor pipe 9, then returns steam drum 3 through the rethread liquid return pipe 5 pump of diaphragm pump 10, and the cutting fluid behind the diaphragm pump 10 reentries steam drum 3 and is in the motion state in steam drum 3 like this, and water and the oily intensive mixing in the cutting fluid, and not covered by oil are favorable to the water evaporation in the cutting fluid to come out. After the water in the cutting fluid is evaporated, the remaining oil is stored in the diaphragm pump 10, or an oil storage container may be provided in the diaphragm pump 10, and after the oil in the diaphragm pump 10 has been stored to a certain amount, the valve on the oil outlet pipe 16 may be opened and the valve on the liquid return pipe 5 may be closed, so that the oil in the diaphragm pump 10 can be discharged from the oil outlet pipe 16. Therefore, after water evaporation treatment, the amount of the remaining oil is small, the oil is convenient to treat, the treatment cost is low compared with that of a large amount of cutting fluid and a small amount of oil, the generated pollutants are less, and the environment-friendly requirement is met.
Preferably, a heat dissipation mechanism 17, such as a heat dissipation fan, may be disposed near the compressor 11 to cool the compressor 11 when the temperature of the compressor 11 is too high.
The operation of the vacuum water pump 7, the compressor 11, the diaphragm pump 10 and the heat dissipation mechanism 17 is controlled by the control unit 18, so that the vacuum water pump 7, the compressor 11, the diaphragm pump 10 and the heat dissipation mechanism 17 work in coordination according to the corresponding process requirements. The vacuum water pump 7, the compressor 11, the diaphragm pump 10 and the heat dissipation mechanism 17 are electrically connected to the control unit 18.
The cutting fluid treatment device can separate water and oil in the cutting fluid at normal temperature, has high treatment efficiency and good treatment effect, and can greatly reduce the treatment cost of the cutting fluid of machining enterprises and reduce environmental pollution.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A cutting fluid treatment method is characterized by comprising the following steps:
(1) pumping the cutting fluid into a steam tank through a vacuum pump, forming vacuum in the steam tank, and communicating the top of the steam tank with the top of a condensing tank;
(2) the high-pressure end of the compressor extends into the steam tank to heat the cutting fluid in the steam tank, and the low-pressure end of the compressor extends into the condensing tank to cool the condensing tank;
(3) cutting fluid in the steam jar is heated under vacuum condition and is evaporated, and the steam that produces gets into in the condensate tank, and water is retrieved after filtering in the condensate tank to the water condensation.
2. The method according to claim 1, wherein the steam tank is connected to a diaphragm pump, and the cutting fluid in the steam tank is pumped back into the steam tank by the diaphragm pump after entering the diaphragm pump, so that the cutting fluid in the steam tank is in a moving state.
3. A processing device used in the cutting fluid processing method of claim 1 or 2, wherein the cutting fluid to be processed is contained in a cutting fluid container, the processing device comprises a vacuum-pumping water pump, a steam tank, a condensing tank and a compressor, the container and the vacuum-pumping water pump are respectively communicated with the steam tank, the top of the steam tank is communicated with the top of the condensing tank, the compressor comprises a high-pressure end capable of generating heat and a low-pressure end capable of cooling, the high-pressure end extends into the steam tank, the low-pressure end extends into the condensing tank, and a clear water outlet pipe is arranged on the condensing tank.
4. A treatment plant according to claim 3, characterized in that a filter is arranged on the fresh water outlet pipe.
5. A treatment device according to claim 3, characterized in that a filter is arranged in the line between the vessel and the steam drum.
6. The processing apparatus of claim 3, further comprising a diaphragm pump in communication with the vapor canister.
7. The processing apparatus of claim 3, further comprising a heat sink mechanism for dissipating heat from the compressor.
8. The processing apparatus according to claim 6, further comprising a control unit for controlling the operation of the vacuum pump, the compressor and the diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321449.3A CN111470695A (en) | 2020-04-22 | 2020-04-22 | Cutting fluid treatment method and treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321449.3A CN111470695A (en) | 2020-04-22 | 2020-04-22 | Cutting fluid treatment method and treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN111470695A true CN111470695A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010321449.3A Pending CN111470695A (en) | 2020-04-22 | 2020-04-22 | Cutting fluid treatment method and treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811700A (en) * | 2021-01-28 | 2021-05-18 | 福州六和机械有限公司 | Cutting fluid waste liquid treatment device and working method thereof |
| CN114850960A (en) * | 2022-06-06 | 2022-08-05 | 吁新华 | Cooling liquid recycling and filtering system for machining |
-
2020
- 2020-04-22 CN CN202010321449.3A patent/CN111470695A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811700A (en) * | 2021-01-28 | 2021-05-18 | 福州六和机械有限公司 | Cutting fluid waste liquid treatment device and working method thereof |
| CN114850960A (en) * | 2022-06-06 | 2022-08-05 | 吁新华 | Cooling liquid recycling and filtering system for machining |
| CN114850960B (en) * | 2022-06-06 | 2023-12-01 | 泛海船舶机械(沈阳)有限公司 | Cooling liquid recycling and filtering system for machining |
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