CN114288712A - Extraction raffinate oil adsorption device and method for airflow stirring type auxiliary silica gel discharge - Google Patents
Extraction raffinate oil adsorption device and method for airflow stirring type auxiliary silica gel discharge Download PDFInfo
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- CN114288712A CN114288712A CN202111624282.9A CN202111624282A CN114288712A CN 114288712 A CN114288712 A CN 114288712A CN 202111624282 A CN202111624282 A CN 202111624282A CN 114288712 A CN114288712 A CN 114288712A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 114
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000000741 silica gel Substances 0.000 title claims abstract description 97
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 title claims abstract description 20
- 238000000605 extraction Methods 0.000 title description 4
- 239000003292 glue Substances 0.000 claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 124
- 238000007599 discharging Methods 0.000 claims description 105
- 238000005273 aeration Methods 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 108
- 229920001971 elastomer Polymers 0.000 description 16
- 239000010687 lubricating oil Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 239000000499 gel Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 239000002199 base oil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010692 aromatic oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000003712 decolorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to an air flow stirring type adsorption device and method for raffinate oil in auxiliary silica gel discharge. This supplementary raffinate oil adsorption equipment and method of arranging silica gel of air current stirring formula, adopt totally enclosed adsorption process, can effectually reduce the influence that external factor caused the adsorption process, and in letting in unadsorbed extract raffinate oil to the adsorption tank body in batches, and the mode through air current stirring will extract raffinate oil and adsorb saturated silica gel and mix, make silica gel evenly distributed form solid-liquid fluid in the extract raffinate oil, be convenient for directly will adsorb the saturated silica gel direct discharge adsorption tank body, greatly reduced workman's working strength, the consuming time of arranging the glue has also been reduced.
Description
Technical Field
The invention belongs to the technical field of lubricating oil production, and particularly relates to an air flow stirring type raffinate oil adsorption device and method for assisting in rubber discharge.
Background
The lubricating oil is composed of base oil and a certain amount of additives, and after the lubricating oil is used for a period of time, the normal function of the lubricating oil is lost due to the introduction of impurities, the deterioration of the additives and the like, so that the lubricating oil becomes waste lubricating oil. With the development of technology and the improvement of environmental protection requirements, the waste lubricating oil can be treated to obtain regenerated base oil, and the method comprises the following specific steps: firstly, carrying out reduced pressure distillation to generate distillate oil, and then extracting the distillate oil by using a polar solvent NMP (N-Methyl pyrrolidone) to obtain raffinate (90% oil + 10% NMP) and extract (90% NMP + 10% oil), wherein the extract is subjected to reduced pressure distillation again to obtain NMP gas and extract oil, wherein the raffinate is subjected to reduced pressure distillation to obtain raffinate oil, the ideal component of the raffinate oil is more than 80% in saturated oil content, but the chroma is deep, and is generally 10-14#However, as a qualified product of base oil, the content of saturated partial oil must be more than 80%, and the chroma must be less than 8, so the chroma of raffinate oil cannot reach the standard by adopting a vacuum distillation mode.
Once the chroma of the raffinate oil does not reach the standard, the conventional subsequent treatment mode mostly adopts silica gel for adsorption treatment, inorganic silica gel is a high-activity adsorption material, is usually prepared by reacting sodium silicate with sulfuric acid and performing a series of post-treatment processes such as aging, acid soaking and the like, and the silica gel belongs to an amorphous substance, is insoluble in water and any solvent, is nontoxic and odorless, has stable chemical properties, does not react with any substance except strong alkali and hydrofluoric acid, and is industrially used as an oil hydrocarbon decolorant, a catalyst carrier, a pressure swing adsorbent and the like.
The strong coloring agents such as colloid and heavy aromatic oil in the raffinate oil adsorbed by the silica gel are adsorbed by the silica gel, so that the base oil component in the raffinate oil reaches the standard, the color number of the raffinate oil after adsorption reaches the standard and can be used for manufacturing lubricating oil, at present, most of conventional adsorption devices are fixed adsorption tanks, the silica gel needs to enter the tank body manually for cleaning after adsorption saturation, and the adsorption device has the advantages of high working strength, unpleasant smell and high working difficulty.
Disclosure of Invention
The present invention aims to solve the above problems and provide a raffinate oil adsorption device and method for auxiliary silica gel drainage in an air stirring manner.
The invention realizes the purpose through the following technical scheme:
an air flow stirring type raffinate oil adsorption device for assisting in discharging silica gel comprises an adsorption tank body, a product oil output pipeline arranged at the lower end of the adsorption tank body, a first electromagnetic valve connected to the product oil output pipeline, and a silk screen connected to the inner wall of the adsorption tank body and close to the lower end, wherein a silica gel input mechanism is arranged at the position, close to the upper end, of the adsorption tank body, a raffinate oil input mechanism and an exhaust mechanism are arranged at the upper end of the adsorption tank body, the exhaust mechanism is located on one side of the raffinate oil input mechanism, a primary gel discharge mechanism and a secondary gel discharge mechanism are arranged on one side wall of the adsorption tank body, and the primary gel discharge mechanism is located right above the secondary gel discharge mechanism;
the silica gel input mechanism is used for conveying silica gel into the adsorption tank body in a closed manner;
the raffinate oil input mechanism is used for conveying raffinate oil into the adsorption tank body in a closed manner;
and the primary glue discharging mechanism and the secondary glue discharging mechanism are used for discharging the saturated silica gel around the primary glue discharging mechanism.
As a further optimized scheme of the invention, the silica gel input mechanism comprises a silica gel conveying pipeline connected to the position, close to the upper end, of the other side wall of the adsorption tank body, a silica gel storage tank connected to one end of the silica gel conveying pipeline, a second electromagnetic valve connected to the silica gel conveying pipeline, an air suction pipeline connected to the position, close to the upper end, of one side wall of the adsorption tank body, a third electromagnetic valve connected to the air suction pipeline, and an air suction pump connected to one end of the air suction pipeline, wherein the position of the air suction pipeline is higher than that of the silica gel conveying pipeline.
The raffinate oil input mechanism comprises a raffinate oil input pipeline connected to the upper end of the adsorption tank body, a spray head connected to one end of the raffinate oil input pipeline, a fourth electromagnetic valve connected to the raffinate oil input pipeline and an oil pump connected to the other end of the raffinate oil input pipeline, and the spray head is located in the adsorption tank body.
As a further optimization scheme of the invention, the exhaust mechanism comprises an exhaust pipe connected to the upper end of the adsorption tank body and a seventh electromagnetic valve connected to the exhaust pipe, and the exhaust pipe is positioned on one side of the raffinate oil input pipeline.
As a further optimization scheme of the invention, the primary rubber discharge mechanism comprises a first rubber discharge pipe and a first aeration pipe which are connected to one side wall of the adsorption tank body and close to the middle position, and a fifth electromagnetic valve connected to the first rubber discharge pipe, wherein one end of the first rubber discharge pipe penetrates through the adsorption tank body and extends to a position right above the middle position of the first aeration pipe, one end of the first rubber discharge pipe is a right-angle pipeline, the opening of the first rubber discharge pipe faces downwards, and a plurality of air holes are formed in the first aeration pipe.
As a further optimization scheme of the invention, the secondary glue discharging mechanism comprises a second glue discharging pipe and a second aeration pipe which are connected to one side wall of the adsorption tank body and close to the silk screen, and a sixth electromagnetic valve connected to the second glue discharging pipe, wherein one end of the second glue discharging pipe penetrates through the adsorption tank body and extends to a position right above the middle position of the second aeration pipe, one end of the second glue discharging pipe is a right-angle pipeline and is provided with a downward opening, and the second aeration pipe is provided with a plurality of air holes.
A method for adsorbing raffinate oil by adopting the device comprises the following steps:
step S1, opening the silica gel input mechanism, and closing the silica gel input mechanism after the silica gel is sucked into the adsorption tank body;
step S2, opening the raffinate oil input mechanism and the first electromagnetic valve, inputting the raffinate oil into the adsorption tank body and carrying out adsorption treatment on the raffinate oil and the silica gel, closing the first electromagnetic valve when the silica gel is in an adsorption saturated state, and closing the raffinate oil input mechanism when the raffinate oil input mechanism continuously inputs the raffinate oil until the raffinate oil liquid level is close to the raffinate oil input mechanism;
step S3, starting the primary rubber discharging mechanism and the exhaust mechanism, and introducing nitrogen or air into the adsorption tank body through the primary rubber discharging mechanism to uniformly disperse the silica gel around the primary rubber discharging mechanism and form fluid to be discharged from the primary rubber discharging mechanism;
step S4, closing the primary glue discharging mechanism, starting the raffinate oil input mechanism and continuously inputting raffinate oil until the liquid level of the raffinate oil covers the primary glue discharging mechanism, then closing the primary glue discharging mechanism, starting the secondary glue discharging mechanism, and introducing nitrogen or air into the adsorption tank body through the secondary glue discharging mechanism to uniformly disperse the silica gel around the secondary glue discharging mechanism and form fluid to be discharged from the secondary glue discharging mechanism;
and step S5, repeating the steps S1 to S4.
The invention has the beneficial effects that:
1) the invention adopts a totally-enclosed adsorption process, which can effectively reduce the influence of external factors on the adsorption process;
2) according to the invention, unadsorbed raffinate oil can be fed into the adsorption tank in batches, and the raffinate oil and the silica gel with saturated adsorption are mixed in an air flow stirring manner, so that the silica gel is uniformly distributed in the raffinate oil to form a solid-liquid fluid, the silica gel with saturated adsorption can be directly discharged out of the adsorption tank, the working strength of workers is greatly reduced, the time consumption for discharging the silica gel is reduced, and the damage amount of the silica gel can be effectively reduced by adopting the air flow stirring manner;
3) the invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a diagram showing the working state of the silica gel adsorption raffinate oil of the present invention;
FIG. 3 is a diagram showing the working condition of the present invention using raffinate oil for one-time glue removal;
fig. 4 is a working state diagram of the present invention using the raffinate oil for secondary rubber discharge.
In the figure: 1. an adsorption tank body; 101. a finished oil output pipeline; 102. a first solenoid valve; 103. a wire mesh; 201. a silica gel storage tank; 202. a silica gel delivery pipe; 203. a second solenoid valve; 204. an air extraction duct; 205. a third electromagnetic valve; 206. an air pump; 301. an extraction raffinate oil input pipeline; 302. a shower head; 303. a fourth solenoid valve; 304. an oil pump; 401. a first rubber pipe row; 402. a fifth solenoid valve; 403. a first aeration pipe; 501. a second rubber discharge pipe; 502. a sixth electromagnetic valve; 503. a second aeration pipe; 601. an exhaust pipe; 602. a seventh solenoid valve.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1, an air-stirring type raffinate oil adsorption device for assisting in discharging silica gel comprises an adsorption tank body 1, a product oil output pipeline 101 arranged at the lower end of the adsorption tank body 1, a first electromagnetic valve 102 connected to the product oil output pipeline 101, and a silk screen 103 connected to the inner wall of the adsorption tank body 1 and close to the lower end, wherein a silica gel input mechanism is arranged at the position on the adsorption tank body 1 close to the upper end, a raffinate oil input mechanism and an exhaust mechanism are arranged at the upper end of the adsorption tank body 1, the exhaust mechanism is arranged at one side of the raffinate oil input mechanism, a primary glue discharging mechanism and a secondary glue discharging mechanism are arranged on one side wall of the adsorption tank body 1, and the primary glue discharging mechanism is arranged right above the secondary glue discharging mechanism;
the silica gel input mechanism is used for conveying silica gel into the adsorption tank body 1 in a closed manner;
the raffinate oil input mechanism is used for conveying raffinate oil into the adsorption tank body 1 in a closed manner;
the primary glue discharging mechanism and the secondary glue discharging mechanism are used for discharging the saturated silica gel around the primary glue discharging mechanism and the secondary glue discharging mechanism.
Wherein, silica gel input mechanism is including connecting the silica gel pipeline 202 that is close to upper end position department at another lateral wall of the adsorption tank body 1, connect the silica gel storage jar 201 at silica gel pipeline 202 one end department, connect the second solenoid valve 203 on silica gel pipeline 202, connect the exhaust pipe 204 that is close to upper end position department at a lateral wall of the adsorption tank body 1, connect the third solenoid valve 205 on exhaust pipe 204 and connect the aspiration pump 206 in exhaust pipe 204 one end, the position of exhaust pipe 204 is higher than the position of silica gel pipeline 202.
When the silica gel input mechanism works, the second electromagnetic valve 203 and the third electromagnetic valve 205 are opened, the air pump 206 starts to work, and at the moment, the air pump 206 works to form a certain negative pressure, so that the silica gel in the silica gel storage tank 201 is conveyed into the adsorption tank body 1 along with the air flow, and the silica gel input amount is stopped until reaching the design amount, and the specific amount is adjusted according to the actual production design.
Wherein, raffinate oil input mechanism is including connecting raffinate oil input pipeline 301 in the upper end of adsorption tank body 1, connecting the shower head 302 in raffinate oil input pipeline 301 one end, connecting the fourth solenoid valve 303 on raffinate oil input pipeline 301 and connecting the oil pump 304 at the raffinate oil input pipeline 301 other end, and shower head 302 is located adsorption tank body 1.
When the raffinate oil input mechanism works, the fourth electromagnetic valve 303 on the raffinate oil input pipeline 301 is opened, the oil pump 304 is started, raffinate oil with color numbers which do not reach the standard is continuously input through the oil pump 304, the raffinate oil is uniformly sprayed on silica gel under the spraying action of the spray header 302, the raffinate oil flows to the silk screen 103 under the action of gravity, in the process, the silica gel can fully adsorb the raffinate oil, and the raffinate oil flowing through the silk screen 103 reaches the standard in color numbers and is discharged from the finished oil output pipeline 101 to be used for manufacturing lubricating oil.
The exhaust mechanism comprises an exhaust pipe 601 connected to the upper end of the adsorption tank body 1 and a seventh electromagnetic valve 602 connected to the exhaust pipe 601, and the exhaust pipe 601 is located on one side of the raffinate oil input pipeline 301.
The exhaust mechanism is used for exhausting the gas in the adsorption tank body 1, and the seventh electromagnetic valve 602 on the exhaust pipe 601 is opened during operation.
The primary glue discharging mechanism comprises a first glue discharging pipe 401 and a first aeration pipe 403 which are connected to one side wall of the adsorption tank body 1 and close to the middle position, and a fifth electromagnetic valve 402 connected to the first glue discharging pipe 401, one end of the first glue discharging pipe 401 penetrates through the adsorption tank body 1 and extends to the position right above the middle position of the first aeration pipe 403, one end of the first glue discharging pipe 401 is a right-angle pipeline, the opening of the first glue discharging pipe is downward, and a plurality of air holes are formed in the first aeration pipe 403.
When the primary glue discharging mechanism works, nitrogen or air is firstly introduced into the adsorption tank body 1 through the first aeration pipe 403, under the stirring action of air flow, silica gel and raffinate oil around the primary glue discharging mechanism are fully fused, the silica gel is uniformly distributed in the raffinate oil to form a flowing solid-liquid mixture, then the fifth electromagnetic valve 402 on the first glue discharging pipe 401 is opened, and the solid-liquid mixture is gradually discharged from the first glue discharging pipe 401.
The secondary glue discharging mechanism comprises a second glue discharging pipe 501 and a second aeration pipe 503 which are connected to one side wall of the adsorption tank body 1 and close to the silk screen 103, and a sixth electromagnetic valve 502 connected to the second glue discharging pipe 501, one end of the second glue discharging pipe 501 penetrates through the adsorption tank body 1 and extends to a position right above the middle of the second aeration pipe 503, one end of the second glue discharging pipe 501 is a right-angle pipeline, the opening of the second glue discharging pipe 501 faces downwards, and a plurality of air holes are formed in the second aeration pipe 503. The working principle of the secondary glue discharging mechanism is the same as that of the primary glue discharging mechanism.
It should be noted that the first rubber discharge pipe 401 and the second rubber discharge pipe 501 are both connected with a pump body, so that the silica gel-raffinate oil mixture can be rapidly pumped out.
The method for adsorbing raffinate oil by adopting the device comprises the following steps:
step S1, starting the silica gel input mechanism, sucking the silica gel into the adsorption tank body 1 through the silica gel input mechanism, and then closing the adsorption tank body;
step S2, opening the raffinate oil input mechanism and the first electromagnetic valve 102, inputting the raffinate oil into the adsorption tank body 1 and performing adsorption treatment with silica gel, closing the first electromagnetic valve 102 when the silica gel is in an adsorption saturated state, and closing the raffinate oil input mechanism when the raffinate oil input mechanism continuously inputs the raffinate oil until the raffinate oil liquid level is close to the raffinate oil input mechanism;
step S3, starting the primary glue discharging mechanism and the exhaust mechanism, and introducing nitrogen or air into the adsorption tank body 1 through the primary glue discharging mechanism to uniformly disperse the silica gel around the primary glue discharging mechanism and form fluid to be discharged from the primary glue discharging mechanism;
step S4, closing the primary glue discharging mechanism, starting the raffinate oil input mechanism and continuously inputting raffinate oil until the liquid level of the raffinate oil covers the primary glue discharging mechanism, then closing the primary glue discharging mechanism, starting the secondary glue discharging mechanism, and introducing nitrogen or air into the adsorption tank body 1 through the secondary glue discharging mechanism to uniformly disperse the silica gel around the secondary glue discharging mechanism and form fluid to be discharged from the secondary glue discharging mechanism;
and step S5, repeating the steps S1 to S4.
The specific working flow of the steps is as follows:
opening the second electromagnetic valve 203 and the third electromagnetic valve 205, starting the operation of the air pump 206, at this time, the operation of the air pump 206 can form a certain negative pressure, so that the silica gel in the silica gel storage tank 201 is conveyed into the adsorption tank body 1 along with the air flow, the silica gel is gradually accumulated on the screen 103, as shown in fig. 2, when the silica gel amount reaches the design amount, the fourth electromagnetic valve 303 on the raffinate oil input pipeline 301 is opened, the oil pump 304 is opened, the raffinate oil with the color number not up to the standard is continuously input through the oil pump 304, the raffinate oil is uniformly sprinkled on the silica gel under the sprinkling action of the sprinkling head 302, the raffinate oil flows towards the screen 103 under the action of gravity, in the process, the silica gel can fully adsorb the raffinate oil, the raffinate oil flowing through the screen 103 has the color number up to the standard and is discharged from the finished oil output pipeline 101 to be used for the preparation of lubricating oil;
when the color number of the raffinate oil output by the product oil output pipeline 101 gradually increases, indicating that the silica gel is in an adsorption saturated state, discharging the silica gel, replacing new silica gel, and dividing the gel discharging process into a primary gel discharging process and a secondary gel discharging process;
during primary glue discharging, as shown in fig. 3, unadsorbed raffinate oil is firstly introduced into the adsorption tank body 1, the raffinate oil is filled in the adsorption tank body 1, and the liquid level is stopped when approaching the spray header 302, then nitrogen or air is introduced into the adsorption tank body 1 through the first aeration pipe 403, under the stirring action of air flow, the silica gel and the raffinate oil around the primary glue discharging mechanism are fully fused, the silica gel is uniformly distributed in the raffinate oil to form a flowing solid-liquid mixture, then the fifth electromagnetic valve 402 on the first glue discharging pipe 401 is opened, solid and liquid are gradually discharged from the first glue discharging pipe 401, and similarly, as shown in fig. 4, during secondary glue discharging, nitrogen or air is introduced into the adsorption tank body 1 through the second aeration pipe 503, under the stirring action of air flow, the silica gel and the raffinate oil around the secondary glue discharging mechanism are fully fused, the silica gel is uniformly distributed in the raffinate oil to form a flowing solid-liquid mixture, then, the fifth electromagnetic valve 402 on the second glue discharging pipe 501 is opened, and the solid-liquid mixture is gradually discharged from the second glue discharging pipe 501.
It should be noted that, during glue discharging, the seventh electromagnetic valve 602 on the exhaust pipe 601 is in an open state to prevent the excessive air pressure in the adsorption tank 1 for pressure adjustment.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides an air current stirring formula is supplementary to be arranged raffinate oil adsorption equipment of silica gel, includes the adsorption tank body (1), locates the product oil output pipeline (101) of the adsorption tank body (1) lower extreme, connects first solenoid valve (102) on product oil output pipeline (101) and connects silk screen (103) that are close to lower extreme position department on the adsorption tank body (1) inner wall, its characterized in that: a silica gel input mechanism is arranged at a position, close to the upper end, on the adsorption tank body (1), a raffinate oil input mechanism and an exhaust mechanism are arranged at the upper end of the adsorption tank body (1), the exhaust mechanism is positioned at one side of the raffinate oil input mechanism, a primary glue discharging mechanism and a secondary glue discharging mechanism are arranged on one side wall of the adsorption tank body (1), and the primary glue discharging mechanism is positioned right above the secondary glue discharging mechanism;
the silica gel input mechanism is used for conveying silica gel into the adsorption tank body (1) in a closed manner;
the raffinate oil input mechanism is used for conveying raffinate oil into the adsorption tank body (1) in a closed manner;
and the primary glue discharging mechanism and the secondary glue discharging mechanism are used for discharging the saturated silica gel around the primary glue discharging mechanism.
2. The raffinate oil adsorption device for silica gel auxiliary discharge of gas stirring type according to claim 1, wherein: silica gel input mechanism is including connecting silica gel pipeline (202) that another lateral wall of the adsorption tank body (1) is close to upper end position department, connect silica gel storage jar (201) at silica gel pipeline (202) one end department, connect second solenoid valve (203) on silica gel pipeline (202), connect suction line (204) that a lateral wall of the adsorption tank body (1) is close to upper end position department, connect third solenoid valve (205) on suction line (204) and connect aspiration pump (206) in suction line (204) one end, the position of suction line (204) is higher than the position of silica gel pipeline (202).
3. The raffinate oil adsorption device for silica gel auxiliary discharge of gas stirring type according to claim 1, wherein: the raffinate oil input mechanism comprises a raffinate oil input pipeline (301) connected to the upper end of the adsorption tank body (1), a spray header (302) connected to one end of the raffinate oil input pipeline (301), a fourth electromagnetic valve (303) connected to the raffinate oil input pipeline (301), and an oil pump (304) connected to the other end of the raffinate oil input pipeline (301), wherein the spray header (302) is located in the adsorption tank body (1).
4. The raffinate oil adsorption device for silica gel auxiliary discharge of gas stirring type according to claim 1, wherein: the exhaust mechanism comprises an exhaust pipe (601) connected to the upper end of the adsorption tank body (1) and a seventh electromagnetic valve (602) connected to the exhaust pipe (601), and the exhaust pipe (601) is located on one side of the raffinate oil input pipeline (301).
5. The raffinate oil adsorption device for silica gel auxiliary discharge of gas stirring type according to claim 1, wherein: the primary glue discharging mechanism comprises a first glue discharging pipe (401) and a first aeration pipe (403) which are connected to one side wall of the adsorption tank body (1) and close to the middle position, and a fifth electromagnetic valve (402) connected to the first glue discharging pipe (401), wherein one end of the first glue discharging pipe (401) penetrates through the adsorption tank body (1) and extends to the position right above the middle position of the first aeration pipe (403), one end of the first glue discharging pipe (401) is a right-angle pipeline, the opening of the first glue discharging pipe faces downwards, and a plurality of air holes are formed in the first aeration pipe (403).
6. The raffinate oil adsorption device for silica gel auxiliary discharge of gas stirring type according to claim 1, wherein: the secondary glue discharging mechanism comprises a second glue discharging pipe (501) and a second aeration pipe (503) which are connected to one side wall of the adsorption tank body (1) and close to the silk screen (103), and a sixth electromagnetic valve (502) connected to the second glue discharging pipe (501), one end of the second glue discharging pipe (501) penetrates through the adsorption tank body (1) and extends to a position right above the middle of the second aeration pipe (503), one end of the second glue discharging pipe (501) is a right-angle pipeline, the opening of the second glue discharging pipe faces downwards, and a plurality of air holes are formed in the second aeration pipe (503).
7. A method for adsorbing raffinate oil using the apparatus of any one of claims 1 to 6, comprising the steps of:
step S1, starting the silica gel input mechanism, sucking the silica gel into the adsorption tank body (1) through the silica gel input mechanism, and then closing the adsorption tank body;
step S2, starting the raffinate oil input mechanism and the first electromagnetic valve (102), inputting the raffinate oil into the adsorption tank body (1) and carrying out adsorption treatment on the raffinate oil and silica gel, closing the first electromagnetic valve (102) when the silica gel is in a state of adsorption saturation, and closing the raffinate oil input mechanism when the raffinate oil input mechanism continuously inputs the raffinate oil until the raffinate oil liquid level is close to the raffinate oil input mechanism;
step S3, starting the primary glue discharging mechanism and the exhaust mechanism, and introducing nitrogen or air into the adsorption tank body (1) through the primary glue discharging mechanism to uniformly disperse the silica gel around the primary glue discharging mechanism and form fluid to be discharged from the primary glue discharging mechanism;
step S4, closing the primary glue discharging mechanism, starting the raffinate oil input mechanism and continuously inputting raffinate oil until the liquid level of the raffinate oil covers the primary glue discharging mechanism, then closing the primary glue discharging mechanism, starting the secondary glue discharging mechanism, and introducing nitrogen or air into the adsorption tank body (1) through the secondary glue discharging mechanism to uniformly disperse the silica gel around the secondary glue discharging mechanism and form fluid to be discharged from the secondary glue discharging mechanism;
and step S5, repeating the steps S1 to S4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111624282.9A CN114288712A (en) | 2021-12-28 | 2021-12-28 | Extraction raffinate oil adsorption device and method for airflow stirring type auxiliary silica gel discharge |
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| CN2245046Y (en) * | 1995-11-14 | 1997-01-15 | 淮南矿业学院 | Cyclic permutation type solid particulate material injection device |
| CN102381564A (en) * | 2011-07-26 | 2012-03-21 | 中国石油大学(华东) | Adding method and device for conveying experimental large particles in solid-liquid two-phase flow |
| CN211676653U (en) * | 2020-02-17 | 2020-10-16 | 江苏方天电力技术有限公司 | High-efficient adsorption regenerating unit of degradation transformer oil |
| CN111892944A (en) * | 2020-07-20 | 2020-11-06 | 安徽国孚凤凰科技有限公司 | Solid-liquid continuous adsorption device |
| CN113018905A (en) * | 2021-03-03 | 2021-06-25 | 重庆环纽信息科技有限公司 | Waste oil purification device based on silica gel and carclazyte adsorb and retrieve |
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- 2021-12-28 CN CN202111624282.9A patent/CN114288712A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245046Y (en) * | 1995-11-14 | 1997-01-15 | 淮南矿业学院 | Cyclic permutation type solid particulate material injection device |
| CN102381564A (en) * | 2011-07-26 | 2012-03-21 | 中国石油大学(华东) | Adding method and device for conveying experimental large particles in solid-liquid two-phase flow |
| CN211676653U (en) * | 2020-02-17 | 2020-10-16 | 江苏方天电力技术有限公司 | High-efficient adsorption regenerating unit of degradation transformer oil |
| CN111892944A (en) * | 2020-07-20 | 2020-11-06 | 安徽国孚凤凰科技有限公司 | Solid-liquid continuous adsorption device |
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