CN220766905U - Oil-containing diatomite treatment device - Google Patents
Oil-containing diatomite treatment device Download PDFInfo
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- CN220766905U CN220766905U CN202320322793.3U CN202320322793U CN220766905U CN 220766905 U CN220766905 U CN 220766905U CN 202320322793 U CN202320322793 U CN 202320322793U CN 220766905 U CN220766905 U CN 220766905U
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- gas
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 239000003921 oil Substances 0.000 claims abstract description 153
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000010731 rolling oil Substances 0.000 claims abstract description 46
- 230000008929 regeneration Effects 0.000 claims abstract description 32
- 238000011069 regeneration method Methods 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 238000011045 prefiltration Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 8
- 239000000295 fuel oil Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000005909 Kieselgur Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000206761 Bacillariophyta Species 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a treatment device for oily diatomite, which comprises an oily diatomite storage and transportation box, a bucket elevator, a jacket vacuum evaporator, heat conduction oil and a heat conduction oil heating system, a spiral stirrer, a vacuum bag filter, a clean diatomite box, a first condenser, a first gas-liquid separator, a back pressure valve, a feeding vacuum lock valve, a discharging vacuum lock valve, a vacuum pump set, a cooling water system, a sewage tank and a rolling oil regeneration system, wherein the oil storage and transportation box is provided with a vacuum bag filter; in a high vacuum state, the boiling point of the rolling oil is much lower than that of the rolling oil under normal pressure, so that the heating process does not influence the components and the performance of the rolling oil, and the recycling of the rolling oil is facilitated.
Description
Technical Field
The utility model relates to the field of diatomite treatment equipment, in particular to a treatment device for oily diatomite.
Background
Diatomaceous earth is a siliceous rock and is mainly distributed in China, the United states, japan, denmark, france, romania, etc. Is a biogenic siliceous sedimentary rock, which is mainly composed of remains of ancient diatoms. The oil-containing diatomite is derived from a rolling oil filtering system of an aluminum plate strip foil rolling mill;
the rolling oil used in the production process of the aluminum plate strip foil rolling mill needs to be filtered and purified by a plate filter at regular intervals, and a large amount of waste oil-containing diatomite can be generated in the filtration and purification, and the oil content is 30% -45%. The transportation, storage, utilization or disposal of the waste oily diatomaceous earth should be managed and performed as specified by hazardous waste. If the diatomite containing oil is improperly treated, the diatomite containing oil can pollute the enterprise environment and the social environment, and certain potential safety hazards exist.
Therefore, there is a need for an apparatus for treating oil-containing diatomaceous earth that treats waste oil-containing diatomaceous earth.
Disclosure of Invention
The utility model aims to provide a treatment device for oily diatomite, which is used for solving the problems in the background technology.
Based on the thought, the utility model provides the following technical scheme:
the oil-containing diatomite of the oil-containing diatomite storage and transportation box is poured into a feed hopper of a bucket elevator by a forklift, automatically flows through a feed vacuum lock valve after passing through the bucket elevator, enters an inner cavity of a jacket vacuum evaporator, a spiral stirrer is arranged in the jacket vacuum evaporator, and the top of the jacket vacuum evaporator is sequentially connected with a vacuum bag filter, a first condenser, a first gas-liquid separator and a sewage tank; the vacuum pump set is connected with the first condenser and the first gas-liquid separator. The bottom of the jacketed vacuum evaporator is connected with a discharging vacuum lock valve, and a clean diatomite box is arranged at the lower part of the discharging vacuum lock valve;
the treatment device comprises an oil-containing diatomite storage and transportation box, a bucket elevator, a jacket vacuum evaporator, heat conduction oil and a heat conduction oil heating system, a spiral stirrer, a vacuum bag filter, a clean diatomite box, a first condenser, a first gas-liquid separator, a back pressure valve, a feeding vacuum lock valve, a discharging vacuum lock valve, a vacuum pump set, a cooling water system, a sewage tank and a rolling oil regeneration system; the oil-containing diatomite of the oil-containing diatomite storage and transportation box is poured into a feed hopper of a bucket elevator by a forklift, automatically flows through a feed vacuum lock valve after passing through the bucket elevator, enters an inner cavity of a jacket vacuum evaporator, a spiral stirrer is arranged in the jacket vacuum evaporator, and the top of the jacket vacuum evaporator is sequentially connected with a vacuum bag filter, a first condenser, a first gas-liquid separator and a sewage tank; the vacuum pump set is connected with the first condenser and the first gas-liquid separator. The bottom of the jacketed vacuum evaporator is connected with a discharging vacuum lock valve, and a clean diatomite box is arranged at the lower part of the discharging vacuum lock valve; the heat conduction oil enters the jacket from the lower part of the jacket vacuum evaporator after being heated to 90-150 ℃ by the heat conduction oil electric heater, a spiral flow guide baffle plate is arranged in the jacket, the heat conduction oil spirally flows upwards along the flow guide baffle plate around the outer wall of the inner cavity, and returns to the heat conduction oil electric heater from the upper part of the jacket vacuum evaporator after the oil-containing diatomite is heated by the inner wall of the jacket, and the heat conduction oil enters the jacket from the upper part of the jacket vacuum evaporator, so that the circulation is realized; the spiral stirrer continuously stirs diatomite, oil in the diatomite is evaporated into a gaseous state, and the oil gas is purified by the vacuum bag filter and then sequentially enters the first condenser and the first gas-liquid separator for liquefaction and gas-liquid separation; the liquefied rolling oil enters a dirty oil tank; and cooling the residual diatomite in the jacketed vacuum evaporator, and then placing the diatomite in a clean diatomite box through a discharge vacuum lock valve.
Further, the first gas-liquid separator is externally connected with a vacuum pump set; a cooling water inlet and a cooling water outlet are also arranged in the first condenser; the first condenser adopts cooling circulating water to liquefy oil gas.
Further, the treatment device for the oil-containing diatomite further comprises an oil supply pump, a first pre-filter, a first heat exchanger, a regeneration tower, a second heat exchanger, a first electric heater, a main circulating pump, a waste oil tank, a first finished product oil discharge pump, a reflux pump, a finished product oil tank, a second gas-liquid separator and a second condenser; the dirty oil tank is sequentially communicated with the oil supply pump, the first pre-filter and the first heat exchanger; the first heat exchanger is provided with a heat exchange channel communicated with the regeneration tower, and is sequentially communicated with the second condenser, the second gas-liquid separator and the product oil tank; the dirty oil in the dirty oil tank is sent into a first pre-filter for filtering under the action of an oil supply pump, then exchanges heat with high-temperature oil gas at the top of the regeneration tower through a first heat exchanger, the preheated dirty oil enters the regeneration tower to evaporate low-distillation-range rolling oil to the top of the tower, and then the dirty oil is subjected to cooling and liquefying treatment in a second condenser and a second gas-liquid separator, and the liquid rolling oil enters a finished oil tank.
Further, the bottom of the product oil tank is respectively communicated with a first product oil discharge pump and a reflux pump, the reflux pump is provided with a heat exchange channel communicated with a regeneration tower, and the bottom of the regeneration tower is also provided with a circulating rectification channel which is sequentially communicated with a main circulating pump, a second heat exchanger and a first electric heater; rolling oil in the product oil tank can be returned to the top of the regeneration tower through a reflux pump, so that the rolling oil with low distillation range and reflux liquid further perform gas-liquid heat exchange and mass transfer in the ascending process; when the liquid level meter of the finished oil tank reaches a set value, the rolling oil in the finished oil tank can be conveyed into the finished oil tank by a first finished oil discharge pump; heavy oil with high distillation range in the regeneration tower flows to the bottom of the tower, is conveyed by a main circulating pump, is heated by a first electric heater and a second heat exchanger, and is pumped into the regeneration tower again for rectification and regeneration; and after the heavy oil liquid level at the bottom of the tower reaches a set value, discharging the heavy oil liquid level into a waste oil tank.
Further, the second gas-liquid separator is externally connected with a vacuum device; a cooling water inlet and a cooling water outlet are also arranged in the second condenser; and the second condenser adopts cooling circulating water to liquefy the oil gas.
The beneficial effects are that: the diatomite can be reused after being treated; in a high vacuum state, the boiling point of the rolling oil is much lower than that of the rolling oil under normal pressure, so that the heating process does not influence the components and the performance of the rolling oil, and the recycling of the rolling oil is facilitated; meanwhile, the heating temperature is greatly reduced, which is beneficial to energy saving.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a flow chart of a process for regenerating and recovering oil from oil-containing diatomaceous earth;
in the figure: 1-an oil-containing diatomite storage and transportation box; 2-bucket elevator; 3-feeding vacuum lock valve; 4-jacketed vacuum evaporator; 5-a helical stirrer; 6-vacuum bag filters; 7-a first condenser; 8-a first gas-liquid separator; 9-a back pressure valve; 10-a dirty oil tank; 11-discharging vacuum lock valve; 12-clean diatomite box; 13-a conduction oil electric heater; 14-an oil feed pump; 15-prefilter; 16-a first heat exchanger; 17-a regeneration tower; 18-a second heat exchanger; 19-a main circulation pump; 20-a waste oil tank; 21-a finished oil tank; 22-a product oil discharge pump; 23-reflux pump; 24-a finished oil tank; 25-a second gas-liquid separator; 26-a second condenser; 27-a vacuum pump set;
Detailed Description
The working principle of the device is mainly that the boiling point of rolling oil in the oil-containing diatomite is greatly reduced under a high vacuum state, the rolling oil in the oil-containing diatomite is evaporated in a gas form by properly heating the oil-containing diatomite, then the oil gas is cooled, and the oil gas is collected by an oil tank after being changed into liquid rolling oil; in order to prevent the diatomite plate from being blocked, the diatomite is stirred by a stirrer in the heating process. In a high vacuum state, the boiling point of the rolling oil is much lower than that of the rolling oil under normal pressure, so that the heating process does not influence the components and the performance of the rolling oil, the recycling of the rolling oil is facilitated, and meanwhile, the heating temperature is greatly reduced, and the energy conservation is facilitated.
The working flow of the device comprises 4 stages of diatomite conveying, vacuum heating and stirring, oil-gas condensation recycling and rolling oil regeneration.
Diatomite conveying stage: the used oily diatomite of the plate filter is stored in an oily diatomite storage and transportation box after being screened, is poured into a hopper of a bucket elevator by a forklift, automatically flows through a feeding vacuum lock valve after passing through the bucket elevator, and enters the inner cavity of a jacketed vacuum evaporator. The diatomite conveying device consists of an oil-containing diatomite storage and transportation box, a lifter and the like.
A spiral stirrer is arranged in the jacket vacuum evaporator, heat conduction oil enters the jacket from the lower part of the jacket vacuum evaporator after being heated to 90-150 ℃ by the heat conduction oil electric heater, a spiral flow guide baffle plate is arranged in the jacket, the heat conduction oil spirally flows upwards along the flow guide baffle plate around the outer wall of the inner cavity, and returns to the heat conduction oil electric heater from the upper part of the jacket vacuum evaporator after heating the diatomite containing oil by the inner wall of the jacket, so that circulation is realized; the diatomite remained in the jacketed vacuum evaporator is cooled and then is put into a clean diatomite box through a discharge vacuum lock valve, and can be mixed with new diatomite according to a certain proportion for reuse.
Preferably, when the activity of the recycled diatomite cannot meet the use requirement, the waste diatomite can be used for manufacturing diatomite bricks or used as common waste landfill treatment, and can be used for garden, pasture and cultivated land without edible crops (meeting the emission requirement of GB 4284-2018, and the oil content is less than or equal to 3000 mg/kg). The vacuum heating and stirring device consists of a feeding vacuum lock valve, a jacket vacuum evaporator, a spiral stirrer, a discharging vacuum lock valve, a vacuum bag filter and the like.
Oil gas recovery stage: the evaporated oil gas enters a first vacuum condenser and a first gas-liquid separator after being purified by a vacuum bag filter, the oil gas is liquefied by adopting cooling circulating water, and the liquefied rolling oil enters a dirty oil tank. The oil gas recovery device is composed of a first vacuum condenser, a first gas-liquid separator, a flowmeter, a dirty oil tank, a liquid level meter and the like. The cooling water is mainly used for condensing rolling oil gas. The circulating cooling water is provided to the designated location by the owner.
A rolling oil regeneration stage: the rolling oil in the dirty oil tank has higher water content, more impurities and higher viscosity, the quality can not meet the production and use requirements, rectification treatment is necessary, and the treatment process adopts a decompression (vacuum) distillation technology to separate impurities such as gear oil, hydraulic oil, trace water, aluminum powder and the like mixed into the rolling oil from the rolling oil so as to meet the requirements of the production process. The clean rolling oil after purification and separation is conveyed to a finished oil tank by a finished oil discharge pump, and the separated waste oil is discharged into the waste oil tank.
As shown in fig. 1, the treatment device for the oily diatomite comprises an oily diatomite storage and transportation box (1), a bucket elevator (2), a feeding vacuum lock valve (3), a jacket vacuum evaporator (4), a spiral stirrer (5), a vacuum bag filter (6), a 7-first condenser (7), a first gas-liquid separator (8), a back pressure valve (9) and a sewage tank (10); the device comprises a discharging vacuum lock valve (11), a clean diatomite box (12), a heat conducting oil electric heater (13), an oil supply pump (14), a pre-filter (15), a first heat exchanger (16), a regeneration tower (17), a second heat exchanger (18), a main circulating pump (19), a waste oil box (20), a finished oil tank (21), a finished oil discharge pump (22), a reflux pump (23), a finished oil tank (24), a second gas-liquid separator (25), a second condenser (26) and a vacuum pump set (27);
the used oily diatomite of the plate filter is stored in an oily diatomite storage and transportation box (1) after being screened, is poured into a feed hopper of a bucket elevator (2) by a forklift, automatically flows through a feed vacuum lock valve (3) after passing through the bucket elevator (2), and enters the inner cavity of a jacket vacuum evaporator (4). A spiral stirrer (5) is arranged in the jacket vacuum evaporator (4), heat conduction oil enters the jacket from the lower part of the jacket vacuum evaporator (4) after being heated to 90-150 ℃ by a heat conduction oil electric heater (13), a spiral flow guide baffle is arranged in the jacket, the heat conduction oil spirally flows upwards along the flow guide baffle around the outer wall of the inner cavity, and returns to the heat conduction oil electric heater (13) from the upper part of the jacket vacuum evaporator (4) after oil-containing diatomite is heated by the inner wall of the jacket, so that circulation is performed; the diatomite remained in the jacket vacuum evaporator (4) is cooled and then is put into a clean diatomite box (12) through a discharging vacuum lock valve (11), and can be mixed with new diatomite according to a certain proportion for reuse. The evaporated oil gas is purified by a vacuum bag filter (6) and then sequentially enters a first condenser (7) and a first gas-liquid separator (8), cooling circulating water is adopted to liquefy the oil gas, and liquefied rolling oil enters a dirty oil tank (10) through a back pressure valve (9).
The dirty oil in the dirty oil tank (10) is filtered by a pre-filter (15) under the action of an oil supply pump (14), and then is sent into a first heat exchanger (16) to exchange heat with high-temperature oil gas at the top of a regeneration tower (17), and the preheated dirty oil enters the regeneration tower (17) to be special. The inside of the tower is provided with a special distributor and a filler, rolling oil with a low distillation range is evaporated to the top of the tower under a vacuum state, and after being treated by a second condenser (26) and a second gas-liquid separator (25), liquid rolling oil enters a finished oil tank (24). And then a certain amount of rolling oil is pumped back to the top of the regeneration tower from the finished oil tank through a reflux pump (23), and the rolling oil with a low distillation range and the reflux liquid further perform gas-liquid heat exchange and mass transfer in the ascending process, so that the quality of the rolling oil is improved. When the liquid level gauge of the product oil tank reaches a set value, the product oil is delivered to the product oil tank (21) by a product oil discharge pump (22). Heavy oil with high distillation range flows to the bottom of the tower, is conveyed by a main circulating pump (19), is heated by an electric heater (15) and a second heat exchanger (18), and is pumped into a regeneration tower again for rectification and regeneration. And the heavy oil liquid level at the bottom of the tower is discharged into a waste oil tank (20) after reaching a set value, and is discharged into a waste oil barrel by a waste oil conveying pump after reaching a set value, and is treated by an owner periodically. The vacuum pipelines of the first gas-liquid separator (8) and the second gas-liquid separator (25) are connected with a vacuum pump set (27) to ensure the vacuum requirement of the system.
Claims (5)
1. The utility model provides a processing apparatus of oiliness diatomaceous earth which characterized in that:
the device comprises an oil-containing diatomite storage and transportation box, a bucket elevator, a jacketed vacuum evaporator, heat conduction oil, a heat conduction oil heating system, a spiral stirrer, a vacuum bag filter, a clean diatomite box, a first condenser, a first gas-liquid separator, a back pressure valve, a feeding vacuum lock valve, a discharging vacuum lock valve, a vacuum pump set, a cooling water system, a sewage tank and a rolling oil regeneration system;
the oil-containing diatomite of the oil-containing diatomite storage and transportation box is poured into a feed hopper of a bucket elevator by a forklift, automatically flows through a feed vacuum lock valve after passing through the bucket elevator, enters an inner cavity of a jacket vacuum evaporator, a spiral stirrer is arranged in the jacket vacuum evaporator, and the top of the jacket vacuum evaporator is sequentially connected with a vacuum bag filter, a first condenser, a first gas-liquid separator and a sewage tank; the vacuum pump set is connected with the first condenser and the first gas-liquid separator; the bottom of the jacketed vacuum evaporator is connected with a discharging vacuum lock valve, and a clean diatomite box is arranged at the lower part of the discharging vacuum lock valve;
the heat conduction oil enters the jacket from the lower part of the jacket vacuum evaporator after being heated to 90-150 ℃ by the heat conduction oil electric heater, a spiral flow guide baffle plate is arranged in the jacket, the heat conduction oil spirally flows upwards along the flow guide baffle plate around the outer wall of the inner cavity, and returns to the heat conduction oil electric heater from the upper part of the jacket vacuum evaporator after the oil-containing diatomite is heated by the inner wall of the jacket, and the heat conduction oil enters the jacket from the upper part of the jacket vacuum evaporator, so that the circulation is realized; the spiral stirrer continuously stirs diatomite, oil in the diatomite is evaporated into a gaseous state, and the oil gas is purified by the vacuum bag filter and then sequentially enters the first condenser and the first gas-liquid separator for liquefaction and gas-liquid separation; the liquefied rolling oil enters a dirty oil tank; and cooling the residual diatomite in the jacketed vacuum evaporator, and then placing the diatomite in a clean diatomite box through a discharge vacuum lock valve.
2. The treatment device for oily diatomite according to claim 1, wherein:
the first gas-liquid separator is externally connected with a vacuum pump set; a cooling water inlet and a cooling water outlet are also arranged in the first condenser; the first condenser adopts cooling circulating water to liquefy oil gas.
3. The treatment device for oily diatomite according to claim 2, wherein:
the treatment device for the diatomite containing oil further comprises an oil supply pump, a first pre-filter, a first heat exchanger, a regeneration tower, a second heat exchanger, a first electric heater, a main circulating pump, a waste oil tank, a first finished product oil discharge pump, a reflux pump, a finished product oil tank, a second gas-liquid separator and a second condenser;
the dirty oil tank is sequentially communicated with the oil supply pump, the first pre-filter and the first heat exchanger; the first heat exchanger is provided with a heat exchange channel communicated with the regeneration tower, and is sequentially communicated with the second condenser, the second gas-liquid separator and the product oil tank;
the dirty oil in the dirty oil tank is sent into a first pre-filter for filtering under the action of an oil supply pump, then exchanges heat with high-temperature oil gas at the top of the regeneration tower through a first heat exchanger, the preheated dirty oil enters the regeneration tower to evaporate low-distillation-range rolling oil to the top of the tower, and then the dirty oil is subjected to cooling and liquefying treatment in a second condenser and a second gas-liquid separator, and the liquid rolling oil enters a finished oil tank.
4. A treatment device for oily diatomaceous earth according to claim 3, wherein:
the bottom of the product oil tank is respectively communicated with a first product oil discharge pump and a reflux pump, the reflux pump is provided with a heat exchange channel communicated with a regeneration tower, and the bottom of the regeneration tower is also provided with a circulating rectification channel which is sequentially communicated with a main circulating pump, a second heat exchanger and a first electric heater;
rolling oil in the product oil tank can be returned to the top of the regeneration tower through a reflux pump, so that the rolling oil with low distillation range and reflux liquid further perform gas-liquid heat exchange and mass transfer in the ascending process; when the liquid level meter of the finished oil tank reaches a set value, the rolling oil in the finished oil tank can be conveyed into the finished oil tank by a first finished oil discharge pump;
heavy oil with high distillation range in the regeneration tower flows to the bottom of the tower, is conveyed by a main circulating pump, is heated by a first electric heater and a second heat exchanger, and is pumped into the regeneration tower again for rectification and regeneration; and after the heavy oil liquid level at the bottom of the tower reaches a set value, discharging the heavy oil liquid level into a waste oil tank.
5. The treatment device for oily diatomite according to claim 4, wherein:
the second gas-liquid separator is externally connected with a vacuum device; a cooling water inlet and a cooling water outlet are also arranged in the second condenser; the second condenser adopts cooling circulating water to liquefy oil gas;
and vacuum pipelines of the first gas-liquid separator and the second gas-liquid separator are connected with a vacuum pump set so as to ensure the vacuum requirement of the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322793.3U CN220766905U (en) | 2023-02-27 | 2023-02-27 | Oil-containing diatomite treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322793.3U CN220766905U (en) | 2023-02-27 | 2023-02-27 | Oil-containing diatomite treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220766905U true CN220766905U (en) | 2024-04-12 |
Family
ID=90604417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320322793.3U Active CN220766905U (en) | 2023-02-27 | 2023-02-27 | Oil-containing diatomite treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220766905U (en) |
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2023
- 2023-02-27 CN CN202320322793.3U patent/CN220766905U/en active Active
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