CN116496811B - Dechlorination device and dechlorination method for tire pyrolysis oil hydrogenation - Google Patents
Dechlorination device and dechlorination method for tire pyrolysis oil hydrogenation Download PDFInfo
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- CN116496811B CN116496811B CN202310410626.9A CN202310410626A CN116496811B CN 116496811 B CN116496811 B CN 116496811B CN 202310410626 A CN202310410626 A CN 202310410626A CN 116496811 B CN116496811 B CN 116496811B
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- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 38
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 10
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 53
- 238000000605 extraction Methods 0.000 claims abstract description 41
- 239000011148 porous material Substances 0.000 claims abstract description 40
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 150000003839 salts Chemical class 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 15
- 230000000382 dechlorinating effect Effects 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 27
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 101150068312 CASK gene Proteins 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
- C10G19/08—Recovery of used refining agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a dechlorination device for hydrogenating tire pyrolysis oil, which belongs to the technical field of waste lubricating oil treatment and comprises: the device comprises a turntable extraction tower, wherein a heavy liquid outlet of the turntable extraction tower is communicated with a first sedimentation tank, an outlet of the first sedimentation tank is communicated with a flash tower through a transfer pump, a light liquid outlet of the turntable extraction tower is communicated with a second sedimentation tank, an outlet of the second sedimentation tank is communicated with a light liquid inlet of the turntable extraction tower through a delivery pump, a dividing piece is arranged in the second sedimentation tank and comprises a partition plate and a pore plate arranged at the bottom of the partition plate, a mounting piece for moving up and down in a liquid outlet area is arranged on the partition plate in a sliding manner, a plurality of groups of inserted rods corresponding to pore plate filtering holes are arranged at the bottom of the mounting piece, and floating blocks are arranged on the mounting piece; the orifice plate that utilizes the dividing piece in this application will get into the salt that dechlorination agent contained in the second settling cask and block, makes dechlorination agent cyclic utilization's in-process salt can not be along with together, protects circulating equipment.
Description
Technical Field
The invention relates to the technical field of waste lubricating oil treatment, in particular to a dechlorination device and a dechlorination method for tire pyrolysis oil hydrogenation.
Background
Before the tire pyrolysis oil is hydrotreated, the tire pyrolysis oil needs to be subjected to dechlorination treatment, and a dechlorinating agent is generally added into the tire pyrolysis oil for mixed reaction to remove chlorine components contained in the tire pyrolysis oil.
In the reaction process, a rotary disk extraction tower is generally used, and the specific working mode is that tire pyrolysis oil and a dechlorinating agent respectively enter from a light liquid inlet and a heavy liquid inlet of the rotary disk extraction tower, a mixed reaction is carried out in the rotary disk extraction tower, the treated tire pyrolysis oil is discharged from a heavy liquid outlet of the rotary disk extraction tower, and the dechlorinating agent without reaction is discharged from a light liquid outlet of the rotary disk extraction tower;
in order to increase the utilization rate of the dechlorinating agent, the discharged dechlorinating agent is reintroduced into the rotary disk extraction tower for use, however, salt generated by the reaction is mixed with the discharged dechlorinating agent, and cannot be directly introduced into the rotary disk extraction tower for use, and the discharged dechlorinating agent cannot be directly introduced into the rotary disk extraction tower for use, but the reaction is continuously carried out, the dechlorinating agent is continuously introduced into a sedimentation area, the dechlorinating agent in the sedimentation area is disturbed, so that the salt contained in the dechlorinating agent cannot be sedimented, and the salt is circulated together when the dechlorinating agent is recycled, so that a large amount of salt is accumulated in circulating equipment.
Disclosure of Invention
The invention aims to provide a dechlorination device and a dechlorination method for tire pyrolysis oil hydrogenation, which are used for solving the problems that the reaction proposed in the background technology is continuously carried out, a dechlorination agent is continuously introduced into a sedimentation area, the dechlorination agent in the sedimentation area is disturbed, salt contained in the dechlorination agent cannot be settled, the salt is circulated along with the cycle of the dechlorination agent when the dechlorination agent is recycled, and a large amount of salt is accumulated in circulating equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions: a tire pyrolysis oil hydrogenation dechlorination device, comprising: the carousel extraction tower, the heavy liquid export intercommunication of carousel extraction tower is equipped with first settling cask, first settling cask export is through transporting pump and flash column intercommunication, the light liquid export intercommunication of carousel extraction tower is equipped with the second settling cask, the second settling cask export is through the light liquid import intercommunication of delivery pump and carousel extraction tower, dechlorination device still includes: the dividing piece is arranged in the second settling tank to divide the inner cavity of the second settling tank into a settling zone and a liquid outlet zone;
the conveying pump is communicated with the liquid outlet area, the partition piece comprises a partition plate and a pore plate arranged at the bottom of the partition plate, the partition plate is provided with a mounting piece which is used for moving up and down in the liquid outlet area in a sliding manner, the bottom of the mounting piece is provided with a plurality of groups of inserted bars corresponding to the filtering holes of the pore plate, and the mounting piece is provided with a floating block; when the filter holes of the pore plate are blocked, the liquid inlet speed in the liquid outlet area is reduced to reduce the liquid level, so that the floating block and the mounting piece are moved downwards to drive the inserting rod to be inserted into the filter holes of the pore plate, and the filter holes of the pore plate are cleaned.
Preferably, the diameter of the plug rod is smaller than the diameter of the filter hole of the pore plate.
Preferably, the mounting piece is used for dividing the liquid outlet area into an upper cavity and a lower cavity which are isolated from each other, an opening is formed in the top of the mounting piece in a penetrating mode, a baffle plate used for blocking the opening and an elastic piece connected with the baffle plate are rotatably arranged on the mounting piece, and a pull rope is arranged between the baffle plate and the baffle plate, so that when the mounting piece moves downwards, the pull rope pulls the baffle plate to rotate to block the opening.
Preferably, the bottom of the mounting piece and the top of the pore plate are respectively provided with a magnetic block, and the magnetic poles of the two sides, which are close to one side of the magnetic blocks, are opposite.
Preferably, the second settling tank outside is equipped with the installation case, be equipped with touch switch in the installation case, touch switch and delivery pump electric connection to switch on the power of delivery pump, the slip is equipped with the push piece that is used for pressing touch switch and the reset spring who is connected with the push piece in the installation case, be equipped with between push piece and the installation piece and link the rope.
Preferably, a magnetic part is arranged on the side wall of the pressing part, and an electromagnet for adsorbing the magnetic part is arranged on the mounting box;
the mounting groove is internally provided with a contact switch for controlling the electromagnet to be powered off, the mounting groove is internally provided with a pressing plate for pressing the contact switch and a supporting spring connected with the pressing plate in a sliding mode, and the pressing plate is provided with a protruding block extending to the upper portion of the pore plate.
Preferably, a method for dechlorinating tire pyrolysis oil for hydrogenation, according to a dechlorinating device for tire pyrolysis oil for hydrogenation, specifically comprises the following steps:
s1: the tire pyrolysis oil and the dechlorinating agent enter from a heavy liquid inlet and a light liquid inlet of the turntable extraction tower respectively, and are mixed and reacted in the turntable extraction tower to dechlorinate the tire pyrolysis oil;
s2: the reacted oil and salt generated by the reaction sink and are discharged from a heavy liquid outlet of the rotary disc extraction tower, enter the first settling tank, and after being settled, the treated oil is conveyed into a flash evaporation tower by a transfer pump for flash evaporation, so that the treated oil is left;
s3: discharging the rest dechlorinating agent and part of salt generated by the reaction from a light liquid outlet of the rotary disk extraction tower, entering a settling zone in the second settling tank, enabling part of dechlorinating agent to pass through a pore plate and enter a liquid outlet zone, enabling a floating block to move upwards with a mounting piece, removing an inserting rod from a filtering hole of the pore plate, and conveying the dechlorinating agent in the liquid outlet zone to a light liquid inlet of the rotary disk extraction tower by a conveying pump for recycling; if the filter holes of the pore plate are blocked, the liquid inlet speed in the liquid outlet area is reduced to reduce the liquid level, so that the floating block and the mounting piece are moved downwards to drive the inserting rod to be inserted into the filter holes of the pore plate, and the filter holes of the pore plate are cleaned.
Preferably, the dechlorination agent in the step S1 is prepared by mixing 5 parts of ethanol, 3 parts of sodium hydroxide and 2 parts of potassium hydroxide and stirring.
Compared with the prior art, the invention has the beneficial effects that: in the method, the orifice plate of the dividing piece is utilized to block the salt contained in the dechlorinating agent entering the second settling tank, so that the salt cannot be together with the dechlorinating agent in the recycling process, and the recycled equipment is protected; and when the filtration pore of orifice plate is blocked by salt, the dechlorination agent in the liquid outlet area gradually reduces, makes the floating block and the mounting piece descend, drives the inserted link to insert into the filtration pore of orifice plate, pushes out the salt that contains in the filtration pore, makes the orifice plate link up again, ensures that dechlorination agent circulates normally, also makes the liquid level in the second settling cask can not rise continuously, avoids the second settling cask to fill up and influence the dechlorination treatment of tire pyrolysis oil.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection structure of the second settling tank and the dividing member of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is an enlarged schematic view of the structure of the present invention at B;
FIG. 5 is a schematic view of the connection structure of the mounting member and the baffle plate according to the present invention.
In the figure: 1. a turntable extraction tower; 2. a first settling tank; 3. a flash column; 4. a second settling tank; 41. a settling zone; 42. a liquid outlet area; 5. a transfer pump; 6. a dividing member; 61. a partition plate; 62. an orifice plate; 7. a mounting box; 8. a mounting member; 9. a rod; 10. a floating block; 11. a magnetic block; 12. a connecting rope; 13. a pressing member; 14. a touch switch; 15. an electromagnet; 16. a baffle; 17. a pressing plate; 18. a contact switch; 19. a mounting groove; 20. and (5) pulling the rope.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a dechlorination device for hydrogenating tire pyrolysis oil includes: the heavy liquid outlet of the rotary disc extraction tower 1 is communicated with a first sedimentation tank 2, and the outlet of the first sedimentation tank 2 is communicated with a flash evaporation tower 3 through a transfer pump; the light liquid outlet of the rotary disk extraction tower 1 is communicated with a second sedimentation tank 4, and the outlet of the second sedimentation tank 4 is communicated with the light liquid inlet of the rotary disk extraction tower 1 through a delivery pump 5; the transfer pump 5 re-introduces the dechlorinating agent entering the second settling tank 4 into the rotary disk extraction tower 1 for recycling.
Referring to fig. 2, a partition member 6 is installed in the inner cavity of the second settling tank 4 to divide the inner cavity of the second settling tank 4 into a settling zone 41 and a liquid outlet zone 42; the delivery pump 5 is communicated with the liquid outlet area 42;
referring to fig. 2 and 3, the dividing member 6 includes a partition 61 and an orifice plate 62 mounted at the bottom of the partition 61, and the sedimentation area 41 and the liquid outlet area 42 are communicated only through the filtering holes of the orifice plate 62; the baffle 61 is provided with a mounting piece 8 in a sliding manner, the mounting piece 8 can move up and down, and the mounting piece 8 is positioned in the liquid outlet area 42; the bottom of the mounting piece 8 is provided with a plurality of groups of inserted bars 9, and the inserted bars 9 correspond to the filter holes of the pore plate 62; the mounting piece 8 is provided with a floating block 10; when part of salt generated by the dechlorination agent carrying reaction enters the second settling tank 4, the dechlorination agent enters the liquid outlet area 42 through the filtering holes of the pore plate 62 and contacts with the floating block 10, so that the floating block 10 moves upwards along with the increase of the liquid level in the liquid outlet area 42; during the upward movement of the float block 10, the mounting member 8 moves upward with the inserted bar 9 out of the filter holes of the orifice plate 62; when the filter holes of the orifice plate 62 are blocked by salt, the dechlorinating agent in the liquid outlet area 42 is gradually reduced (the dechlorinating agent in the liquid outlet area 42 is reduced, and the liquid level in the liquid outlet area 42 is lowered due to the fact that the conveying pump 5 still pumps the dechlorinating agent in the liquid outlet area 42), the floating block 10 and the mounting piece 8 are lowered, the inserted rod 9 is moved down to be inserted into the filter holes of the orifice plate 62, and the salt contained in the filter holes is pushed out, so that the orifice plate 62 is penetrated again.
In this embodiment, as a further optimized solution, referring to fig. 2 and 3, the limiting member on the partition 61 is located above the floating block 10; for limiting the upward movement amplitude of the floating block 10, the distance between the inserted link 9 and the orifice plate 62 is not large, and when the orifice plate 62 is blocked, the inserted link 9 can be quickly moved downwards to dredge the orifice plate 62.
In this embodiment, as a further optimized solution, referring to fig. 2 and 3, the diameter of the insert rod 9 is smaller than the filter hole diameter of the hole plate 62; when the plug rod 9 is inserted into the filter hole of the orifice plate 62, the filter hole of the orifice plate 62 is not blocked.
In this embodiment, as a further optimized solution, referring to fig. 3 and 5, the installation member 8 divides the liquid outlet area 42 into an upper cavity and a lower cavity, and the two cavities are isolated from each other; an opening is formed in the top of the mounting piece 8 in a penetrating way, so that the dechlorinating agent can pass through the mounting piece 8 through the opening; the baffle 16 is rotated on the mounting piece 8, an elastic piece is arranged between the mounting piece 8 and the baffle 16, the baffle 16 is supported so as not to automatically rotate, and a pull rope 20 is arranged between the baffle 16 and the baffle 61; when the orifice plate 62 is blocked, the dechlorination agent in the liquid outlet area 42 is reduced, and the floating block 10 and the mounting piece 8 move downwards, the pull rope 20 pulls the baffle 16 to rotate so as to block the opening, and the mounting piece 8 and the baffle 16 are matched to isolate the two cavities of the liquid outlet area 42 from each other, so that the dechlorination agent can move upwards with the mounting piece 8 when entering the liquid outlet area 42, and the inserting rod 9 is ensured to move out of the filtering holes of the orifice plate 62; because the inserted link 9 will be inserted into the filtering hole of the orifice plate 62 when penetrating the orifice plate 62, the speed of the dechlorinating agent entering the liquid outlet area 42 will be slower even if the orifice plate 62 is penetrated, if the dechlorinating agent can pass through the mounting member 8 and be discharged, the liquid level inside the liquid outlet area 42 will not rise, the mounting member 8 will not rise, the liquid inlet efficiency of the orifice plate 62 will be similar when penetrating and not penetrating, the circulating speed of the dechlorinating agent will be affected, the discharged dechlorinating agent will not be fully utilized, the second settling tank 4 will be filled gradually, the liquid discharge of the rotary disc extraction tower 1 will be affected, and the dechlorinating treatment of the tire pyrolysis oil will be affected.
In this embodiment, as a further optimized solution, referring to fig. 3, the bottom of the mounting member 8 and the top of the orifice plate 62 are both provided with magnetic blocks 11, and the magnetic poles of the magnetic blocks 11 on two sides are opposite to each other; when the mounting member 8 moves down, the magnetic blocks 11 on the upper side and the lower side are close to each other, and suction force is generated between the magnetic blocks, so that the mounting member 8 is carried down, the inserting rod 9 is ensured to be inserted into the filter holes of the pore plate 62, and the filter holes of the pore plate 62 are cleaned.
Example 2
As an optimized scheme, referring to fig. 2 and 3, a mounting box 7 is arranged at the outer side of the second settling tank 4, a touch switch 14 is arranged in the mounting box 7, and the touch switch 14 is electrically connected with the conveying pump 5; a pressing piece 13 is arranged in the mounting box 7 in a sliding manner, a return spring is arranged between the mounting box 7 and the pressing piece 13, and a connecting rope 12 is arranged between the pressing piece 13 and the mounting piece 8; in the process of moving up the mounting part 8, the connecting rope 12 is pulled to move up the pressing part 13, the touch switch 14 is pressed, the conveying pump 5 is electrified to work, the conveying pump 5 starts to work after the dechlorinating agent in the liquid outlet area 42 reaches a certain height, and when the dechlorinating agent in the liquid outlet area 42 is less, the conveying pump 5 stops working, so that an effect of saving energy is achieved.
In this embodiment, as a further optimized solution, referring to fig. 3 and 4, a magnetic member is disposed on a side wall of the pressing member 13, and an electromagnet 15 is disposed on the mounting case 7, and magnetic poles of the electromagnet 15 and the magnetic member are opposite to each other; when the pressing piece 13 presses the touch switch 14, the electromagnet 15 corresponds to the magnetic piece, so that the electromagnet 15 can adsorb the magnetic piece and fix the pressing piece 13; when the mounting piece 8 starts to move downwards, the pressing piece 13 can also press the touch switch 14 to enable the delivery pump 5 to continue to work (when the liquid level in the liquid outlet area 42 is prevented from descending in a small range, the delivery pump 5 stops working); the orifice plate 62 is internally provided with a mounting groove 19, the mounting groove 19 is internally provided with a contact switch 18, the contact switch 18 is electrically connected with the electromagnet 15, a pressing plate 17 is slidably arranged in the mounting groove 19, a supporting spring (used for supporting the pressing plate 17 and capable of resetting the pressing plate 17 after moving) is arranged between the mounting groove 19 and the pressing plate 17, and a protruding block extending to the upper part of the orifice plate 62 is arranged on the pressing plate 17; in the process of downward movement of the mounting piece 8, the bump is pressed, the pressing plate 17 is moved downward to press the contact switch 18, the electromagnet 15 is powered off, the pressing force applied to the pressing piece 13 disappears, the pressing piece 13 is moved downward to reset under the action of the reset spring, the conveying pump 5 is powered off, and when the liquid level in the liquid outlet area 42 is lower, the conveying pump 5 can stop working.
The dechlorination method for the hydrogenation of the tire pyrolysis oil comprises the following steps of:
s1: the tire pyrolysis oil and the dechlorinating agent enter from a heavy liquid inlet and a light liquid inlet of the turntable extraction tower 1 respectively, and are mixed and reacted in the turntable extraction tower 1 to dechlorinate the tire pyrolysis oil;
s2: the reacted oil and salt generated by the reaction sink and are discharged from a heavy liquid outlet of the rotary disc extraction tower 1, enter the first sedimentation tank 2, and after sedimentation, the treated oil is conveyed into a flash evaporation tower 3 by a transfer pump for flash evaporation, so as to leave the treated oil;
s3: the rest dechlorination agent after the reaction and part of salt generated by the reaction are discharged from a light liquid outlet of the rotary disk extraction tower 1, enter a sedimentation area 41 in the second sedimentation tank 4, and part of dechlorination agent passes through a pore plate 62 and enters a liquid outlet area 42, so that a floating block 10 moves upwards with a mounting piece 8, a plug rod 9 moves out of a filtering hole of the pore plate 62, and a conveying pump 5 conveys the dechlorination agent in the liquid outlet area 42 to a light liquid inlet of the rotary disk extraction tower 1 for recycling; if the filter holes of the pore plate 62 are blocked, the liquid inlet speed in the liquid outlet area 42 is reduced to reduce the liquid level, so that the floating block 10 and the mounting piece 8 move downwards to drive the inserting rod 9 to be inserted into the filter holes of the pore plate 62, clear the filter holes of the pore plate 62 and ensure that the pore plate 62 is communicated.
The dechlorination agent in the step S1 is prepared by mixing 5 parts of ethanol, 3 parts of sodium hydroxide and 2 parts of potassium hydroxide and stirring.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A tire pyrolysis oil hydrogenation dechlorination device, comprising: carousel extraction tower (1), the heavy liquid export intercommunication of carousel extraction tower (1) is equipped with first settling cask (2), first settling cask (2) export is through transporting pump and flash column (3) intercommunication, the light liquid export intercommunication of carousel extraction tower (1) is equipped with second settling cask (4), second settling cask (4) export is through delivery pump (5) and the light liquid import intercommunication of carousel extraction tower (1), its characterized in that: the dechlorination apparatus further comprises: a dividing piece (6) arranged in the second settling tank (4) to divide the inner cavity of the second settling tank (4) into a settling zone (41) and a liquid outlet zone (42);
the conveying pump (5) is communicated with the liquid outlet area (42), the dividing piece (6) comprises a partition plate (61) and a pore plate (62) arranged at the bottom of the partition plate (61), a mounting piece (8) for moving up and down in the liquid outlet area (42) is arranged on the partition plate (61) in a sliding mode, a plurality of groups of inserting rods (9) corresponding to filtering holes of the pore plate (62) are arranged at the bottom of the mounting piece (8), and floating blocks (10) are arranged on the mounting piece (8); when the filtering holes of the pore plate (62) are blocked, the liquid inlet speed in the liquid outlet area (42) is reduced to reduce the liquid level, so that the floating block (10) and the mounting piece (8) are moved downwards to drive the inserting rod (9) to be inserted into the filtering holes of the pore plate (62), and the filtering holes of the pore plate (62) are cleaned;
the installation piece (8) divides the liquid outlet area (42) into an upper cavity and a lower cavity which are isolated from each other, an opening is formed in the top of the installation piece (8) in a penetrating mode, a baffle (16) for blocking the opening and an elastic piece connected with the baffle (16) are rotatably arranged on the installation piece (8), a pull rope (20) is arranged between the baffle (16) and the baffle (61), and when the installation piece (8) moves downwards, the pull rope (20) pulls the baffle (16) to rotate to block the opening;
the utility model discloses a sedimentation tank, including second sedimentation tank (4), installation case (7) are equipped with in the second sedimentation tank (4), be equipped with touch switch (14) in installation case (7), touch switch (14) and delivery pump (5) electric connection to switch on the power of delivery pump (5), the interior return spring that is equipped with pressing member (13) and being connected with pressing member (13) that are used for pressing touch switch (14) of installation case (7), be equipped with between pressing member (13) and installation piece (8) and link rope (12).
2. The dechlorination device for hydrogenating tire pyrolysis oil according to claim 1, wherein: the diameter of the inserted link (9) is smaller than the diameter of the filter hole of the pore plate (62).
3. The dechlorination device for hydrogenating tire pyrolysis oil according to claim 1, wherein: the bottom of the mounting piece (8) and the top of the pore plate (62) are respectively provided with a magnetic block (11), and the magnetic poles of the two sides, which are close to one side of the magnetic blocks (11), are opposite.
4. The dechlorination device for hydrogenating tire pyrolysis oil according to claim 1, wherein: a magnetic part is arranged on the side wall of the pressing part (13), and an electromagnet (15) for adsorbing the magnetic part is arranged on the mounting box (7);
the device comprises an orifice plate (62), wherein a mounting groove (19) is formed in the orifice plate (62), a contact switch (18) for controlling the electromagnet (15) to be powered off is arranged in the mounting groove (19), a pressing plate (17) for pressing the contact switch (18) and a supporting spring connected with the pressing plate (17) are arranged in the mounting groove (19) in a sliding mode, and a protruding block extending to the upper portion of the orifice plate (62) is arranged on the pressing plate (17).
5. A method for dechlorinating tire pyrolysis oil hydrogenation, according to claim 1, characterized in that: the method specifically comprises the following steps:
s1: the tire pyrolysis oil and the dechlorinating agent enter from a heavy liquid inlet and a light liquid inlet of the turntable extraction tower (1) respectively, and are mixed and reacted in the turntable extraction tower (1) to dechlorinate the tire pyrolysis oil;
s2: the reacted oil and salt generated by the reaction sink and are discharged from a heavy liquid outlet of the rotary disc extraction tower (1) and enter the first settling tank (2), after the oil is settled, the treated oil is conveyed into a flash evaporation tower (3) by a transfer pump for flash evaporation, and the treated oil is left;
s3: discharging the rest dechlorinating agent and part of salt generated by the reaction from a light liquid outlet of the rotary disk extraction tower (1), entering a sedimentation zone (41) in the second sedimentation tank (4), allowing part of dechlorinating agent to pass through a pore plate (62) and enter a liquid outlet zone (42), enabling a floating block (10) to move upwards with a mounting piece (8), removing an inserting rod (9) from a filtering hole of the pore plate (62), and conveying the dechlorinating agent in the liquid outlet zone (42) to a light liquid inlet of the rotary disk extraction tower (1) by a conveying pump (5) for recycling; if the filter holes of the pore plate (62) are blocked, the liquid inlet speed in the liquid outlet area (42) is reduced to reduce the liquid level, so that the floating block (10) and the mounting piece (8) are moved downwards to drive the inserting rod (9) to be inserted into the filter holes of the pore plate (62), and the filter holes of the pore plate (62) are cleaned.
6. The method for dechlorinating tire pyrolysis oil as claimed in claim 5, wherein: the preparation method of the dechlorinating agent in the step S1 comprises the steps of mixing 5 parts of ethanol, 3 parts of sodium hydroxide and 2 parts of potassium hydroxide, and stirring to obtain the dechlorinating agent.
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