A high-boiling halocarbon dechlorination apparatus and method

Abstract

The application discloses a high-boiling halogenated hydrocarbon dechlorination device in the technical field of waste lubricating oil treatment, which comprises a reaction tank, an oil inlet pipe and a reaction agent feeding pipe are connected to the reaction tank, a water washing mechanism is connected to the discharge port of the reaction tank, and a flash tower is connected to the water washing mechanism; a heating plate is arranged in the reaction agent feeding pipe; a through hole is formed in the heating plate; a guide rod is slidably arranged on the reaction tank; a blocking plate is arranged on the inner side end of the guide rod; an installation box is arranged on the reaction tank; the outer side end of the guide rod extends into the installation box and is connected with a pressing piece; a touch switch is arranged in the installation box; and the controller is electrically connected with the heating plate. In the application, when the dechlorination agent solidifies, the speed of the dechlorination agent entering the reaction tank is reduced, the blocking plate moves with the pressing piece to press the touch switch, the controller is driven to control the heating plate to work in the power-on mode, the temperature of the dechlorination agent is increased, and the dechlorination agent can fully contact with the distillate oil.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste lubricating oil treatment, in particular to a high-boiling halogenated hydrocarbon dechlorination device and a dechlorination method. BACKGROUND

[0002] In the process of waste lubricating oil recovery and treatment, the produced distillate oil needs to be dechlorinated to ensure that the distillate oil will not produce substances that corrode equipment in the subsequent hydrogenation process. Among them, high-boiling halogenated hydrocarbons are one of the distillate oils.

[0003] In the process of dechlorinating high-boiling halogenated hydrocarbons, the dechlorinating agent is generally mixed with high-boiling halogenated hydrocarbons for dechlorination. In order to make the dechlorinating agent fully contact with the high-boiling halogenated hydrocarbons, the dechlorinating agent is generally liquid, so it is necessary to melt the components in the dechlorinating agent (heat the dechlorinating agent to a certain temperature to melt it into a liquid). However, the temperature of the dechlorinating agent will be lost during transmission in the feed pipe, which will cause the dechlorinating agent to solidify due to the decrease in temperature, and when the dechlorinating agent partially solidifies, it cannot be discovered and treated in time, which will cause the dechlorinating agent to not fully contact with the high-boiling halogenated hydrocarbons, reducing the efficiency of dechlorination. SUMMARY

[0004] The present application aims to provide a high-boiling halogenated hydrocarbon dechlorination device and a dechlorination method to solve the problem that the temperature of the dechlorinating agent will be lost during transmission in the feed pipe, which will cause the dechlorinating agent to solidify due to the decrease in temperature, and when the dechlorinating agent partially solidifies, it cannot be discovered and treated in time, which will cause the dechlorinating agent to not fully contact with the high-boiling halogenated hydrocarbons, reducing the efficiency of dechlorination.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a high-boiling halogenated hydrocarbon dechlorination device, comprising: a reaction tank, an oil inlet pipe and a reaction agent feed pipe are connected to the reaction tank, a water washing mechanism is connected to the outlet of the reaction tank, and a flash tower is connected to the water washing mechanism; the dechlorination device further comprises: a heating plate arranged in the reaction agent feed pipe to separate the reaction agent feed pipe;

[0006] A through hole for passing through the reaction agent feed pipe is formed in the heating plate, a guide rod is slidably arranged on the reaction tank and moves along the length extension direction of the reaction agent feed pipe, a blocking plate is arranged at the inner side end of the guide rod and faces the outlet of the reaction agent feed pipe, an installation box is arranged on the reaction tank, the outer side end of the guide rod extends into the installation box and is connected with a pressing piece, a spring piece is arranged between the pressing piece and the installation box, a touch switch is arranged in the installation box and located on the moving path of the pressing piece, the touch switch is electrically connected with a controller, and the controller is electrically connected with the heating plate.

[0007] Preferably, the mounting box is slidably provided with a limiting piece for preventing the pressing piece from contacting the touch switch, and an elastic element for driving the limiting piece to move away from the pressing piece, the moving direction of the limiting piece is perpendicular to the moving direction of the pressing piece, the side of the pressing piece facing the touch switch is provided with a slot, and the limiting piece is provided with a protrusion inserted into the slot to limit the movement of the limiting piece.

[0008] Preferably, the mounting box is slidably provided with a connecting block, the connecting block is provided with a pushing piece for preventing the limiting piece from moving, and the pushing piece is provided with a return spring between the mounting box and the connecting block.

[0009] The inlet of the reagent feeding pipe is hingedly provided with a baffle for plugging the reagent feeding pipe, and the baffle is provided with a pull rope between the connecting block.

[0010] Preferably, the reaction tank is provided with a storage box below the blocking plate, the storage box comprises a box body and a blocking plate for plugging the bottom of the box body, the bottom of the box body is provided with a moving slot, the blocking plate is provided with a moving piece for slidingly inserting into the moving slot, the reaction tank is provided with a mounting slot, the mounting slot is slidably provided with a fixing piece for limiting the movement of the moving piece and an elastic element connected with the fixing piece, and the fixing piece is provided with a connecting rope between the pressing piece.

[0011] Preferably, the connecting rope comprises a mounting sleeve, two electromagnets are slidably arranged in the mounting sleeve and attract each other, each of the two electromagnets is provided with a rope body, one group of rope bodies is connected with the fixing piece away from the electromagnet, and the other group of rope bodies is connected with the pressing piece away from the electromagnet.

[0012] The mounting box and the connecting block are both provided with conductive sheets that are in contact with each other, one group of conductive sheets is electrically connected with the two electromagnets, and the other group of conductive sheets is electrically connected with an external power supply.

[0013] Preferably, the reagent feeding pipe is provided with a heat preservation sleeve, the top wall of the reaction tank is communicated with a flow guide pipe communicated with the heat preservation sleeve, and the heat preservation sleeve is communicated with the water washing mechanism through a connecting pipe.

[0014] Preferably, a high-boiling halogenated hydrocarbon dechlorination method and device are provided, which specifically comprises the following steps:

[0015] S1: the fraction oil is added from the oil inlet pipe, the dechlorination agent is added from the reactant inlet pipe to the inside of the reaction tank, the dechlorination agent contacts and pushes the blocking plate away from the reactant inlet pipe, if the dechlorination agent inside the reactant inlet pipe solidifies due to temperature reduction, the speed of the dechlorination agent entering the reaction tank will decrease due to the blocking of the heating plate, the blocking plate is pushed to the reactant inlet pipe and the pressing piece moves to press the touch switch, the controller controls the heating plate to work, the inside of the reactant inlet pipe is heated;

[0016] S2: after the dechlorination agent enters the inside of the reaction tank, it is mixed with the fraction oil and stirred and heated, so that the two react to dechlorinate;

[0017] S3: the dechlorinated material is discharged from the discharge port of the reaction tank, enters the inside of the water washing mechanism, is washed with water, the salt generated in the reaction is removed, and then is introduced into the flash tower for flash treatment.

[0018] Preferably, the dechlorination agent is made by mixing and heating stirring 70 parts of potassium hydroxide, 20 parts of sodium hydroxide, 8 parts of calcium hydroxide and 2 parts of magnesium hydroxide.

[0019] Compared with the prior art, the application has the beneficial effects that: when the dechlorination agent inside the reactant inlet pipe solidifies due to temperature reduction, the speed of the dechlorination agent entering the reaction tank will decrease due to the blocking of the heating plate, the blocking plate moves with the pressing piece to press the touch switch, the controller controls the heating plate to work, the inside of the reactant inlet pipe is heated, the temperature of the dechlorination agent is increased, the solidified dechlorination agent is melted again, the dechlorination agent can fully contact with the fraction oil, and the efficiency of the dechlorination treatment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the application;

[0021] Figure 2 It is an enlarged schematic diagram of the structure at A of the application;

[0022] Figure 3 It is an enlarged schematic diagram of the structure at D of the application;

[0023] Figure 4 It is an enlarged schematic diagram of the structure at B of the application;

[0024] Figure 5 It is an enlarged schematic diagram of the structure at C of the application.

[0025] In the figure: 1, reaction tank; 2, water washing mechanism; 3, flash tower; 4, reaction agent feeding pipe; 5, heat preservation set; 6, flow guide pipe; 7, controller; 8, baffle; 9, heating plate; 10, mounting box; 11, pressing piece; 12, touch switch; 13, blocking plate; 14, pull rope; 15, storage box; 151, box body; 152, blocking plate; 153, moving piece; 16, mounting groove; 17, fixing piece; 18, connecting rope; 181, rope body; 182, electromagnet; 183, mounting sleeve; 19, elastic piece; 20, limiting piece; 21, elastic element; 22, pushing piece; 23, connecting block; 24, conductive sheet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Embodiment 1

[0028] Please refer to Figure 1 A high-boiling halogenated hydrocarbon dechlorination device, comprising: a reaction tank 1, the reaction tank 1 is provided with a stirring mechanism (a motor and stirring blades connected with the output shaft of the motor) and an electric heating device; the reaction tank 1 is provided with an oil feeding pipe and a reaction agent feeding pipe 4 in communication; the discharge port of the reaction tank 1 is provided with a water washing mechanism 2 in communication; the water washing mechanism 2 is provided with a flash tower 3 in communication.

[0029] Please refer to Figure 1 and Figure 2 The heating plate 9 is installed in the reaction agent feeding pipe 4, which is used to separate the reaction agent feeding pipe 4, and a through hole is provided through the heating plate 9, so that the dechlorination agent can flow through the through hole during the flow in the reaction agent feeding pipe 4; the heating plate 9 with the through hole is equivalent to a filter screen.

[0030] Please refer to Figure 2 A guide rod is slidably arranged on the reaction tank 1, and the moving direction of the guide rod is the same as the length extension direction of the reaction agent feeding pipe 4 (according to the length of the reaction agent feeding pipe 4, the length of the guide rod is determined, and the guide rod is arranged on the reaction tank 1, and the moving direction of the guide rod is the same as the length extension direction of the reaction agent feeding pipe 4). Figure 2The reaction tank 1 is provided with a mounting box 10, one end of the guide rod is provided with a blocking plate 13 facing the outlet of the reaction agent feeding pipe 4, the other end of the guide rod extends into the inner cavity of the mounting box 10 and is connected with the pressing piece 11, and a spring piece is arranged between the pressing piece 11 and the mounting box 10; a touch switch 12 is arranged in the mounting box 10, when the blocking plate 13 approaches the reaction agent feeding pipe 4, the guide rod and the pressing piece 11 are moved, the pressing piece 11 approaches the touch switch 12, and the touch switch 12 can be pressed; the touch switch 12 is electrically connected with the controller 7 through a wire, and the controller 7 is electrically connected with the heating plate 9 (the heating plate 9 is made of a metal heat-conducting material, specifically copper, iron or the like, and an electric heating plate is arranged in the metal heat-conducting material to heat the metal heat-conducting material and heat the dechlorination agent in the reaction agent feeding pipe 4).

[0031] It should be noted that when the dechlorination agent enters the reaction tank 1 through the reaction agent feeding pipe 4, the dechlorination agent will impact the blocking plate 13, so that the blocking plate 13 moves away from the reaction agent feeding pipe 4; when the dechlorination agent in the reaction agent feeding pipe 4 is solidified or partially solidified due to temperature reduction (i.e. solid is generated), the solid will block the through hole of the heating plate 9, which will reduce the speed of the dechlorination agent passing through the reaction agent feeding pipe 4, so that the impact of the dechlorination agent on the blocking plate 13 is reduced, and the blocking plate 13 approaches the reaction agent feeding pipe 4.

[0032] In this embodiment, as a further optimized scheme, please refer to Figure 2 and Figure 4 , the mounting box 10 is slidably provided with a limiting piece 20, the movement direction of the limiting piece 20 is perpendicular to the movement direction of the pressing piece 11 (according to Figure 4 the direction shown, the limiting piece 20 can move up and down), the top end of the limiting piece 20 extends into the mounting box 10 and is between the pressing piece 11 and the touch switch 12, for preventing the pressing piece 11 from contacting the touch switch 12, and an elastic element 21 is arranged between the limiting piece 20 and the mounting box 10, for driving the limiting piece 20 to move away from the pressing piece 11 (i.e. driving the limiting piece 20 to move downward); the side of the pressing piece 11 facing the touch switch 12 is provided with a slot, the limiting piece 20 is provided with a protrusion, and the protrusion is inserted into the slot, for limiting the movement of the limiting piece 20; by blocking the pressing piece 11 with the limiting piece 20, the pressing piece 11 will not contact the touch switch 12 at the beginning, i.e. when the blocking plate 13 approaches the outlet of the reaction agent feeding pipe 4, the heating plate 9 will not work.

[0033] In this embodiment, as a further optimized scheme, please refer to Figure 1 and Figure 4 , the mounting box 10 is slidably provided with a connecting block 23, the connecting block 23 is provided with a pushing piece 22, and the pushing piece 22 is attached to the limiting piece 20 (according toFigure 4 The pushing piece 22 is provided with a pushing piece spring 22a, and the pushing piece spring 22a is arranged between the pushing piece 22 and the installation box 10, and the pushing piece spring 22a is used to prevent the pushing piece 22 from moving downward (i.e. the pushing piece 22 is below the limiting piece 20 in the shown direction), and the pushing piece 22 is provided with a reset spring arranged between the pushing piece 22 and the installation box 10; the inlet of the reactant feeding pipe 4 is hinged with a baffle 8, and the baffle 8 is used to block the inlet of the reactant feeding pipe 4, and the baffle 8 is provided with a pull rope 14 arranged between the baffle 8 and the connecting block 23.

[0034] It should be noted that when the dechlorination agent is added into the interior of the reactant feeding pipe 4, the dechlorination agent will push the baffle 8 to rotate and open the reactant feeding pipe 4, so that the dechlorination agent can flow in the interior of the reactant feeding pipe 4; the rotation of the baffle 8 will pull the pull rope 14, and the connecting block 23 and the pushing piece 22 will move downward, so that the pushing piece 22 will not contact the limiting piece 20; when the dechlorination agent impacts the blocking baffle 13 to move away from the reactant feeding pipe 4, the guiding rod and the pressing piece 11 will move, and the protruding block will be moved out of the slot, and under the action of the elastic element 21, the limiting piece 20 will move downward; when the pressing piece 11 moves due to the decrease of the speed of the dechlorination agent entering the reaction tank 1, the pressing piece 11 can press the touch switch 12 without being blocked by the limiting piece 20; when the injection of the dechlorination agent into the interior of the reactant feeding pipe 4 is stopped, the baffle 8 is reset (the baffle 8 is provided with a supporting spring arranged between the baffle 8 and the reactant feeding pipe 4, so that the baffle 8 can be reset), the pull rope 14 is pulled, and the connecting block 23 and the pushing piece 22 are moved upward to reset, and the downward moving limiting piece 20 will be pushed upward, so that the limiting piece 20 will block the reset pressing piece 11 to prevent the pressing piece 11 from pressing the touch switch 12, and the heating plate 9 is prevented from being triggered by mistake.

[0035] In this embodiment, as a further optimized scheme, please refer to Figure 1 , Figure 2 and Figure 3The reaction tank 1 is provided with a storage box 15 below the baffle plate 13; the storage box 15 comprises a box body 151 and a blocking plate 152, the blocking plate 152 is attached to the bottom of the box body 151 and used for blocking the bottom of the box body 151, the bottom of the box body 151 is provided with a moving groove, the blocking plate 152 is provided with a moving piece 153 which is slidingly inserted into the moving groove; the reaction tank 1 is provided with a mounting groove 16, the mounting groove 16 is slidingly provided with a fixing piece 17, the sidewall of the moving piece 153 is provided with a fixing groove, one end of the fixing piece 17 is inserted into the fixing groove and used for limiting the movement of the moving piece 153, an elastic piece 19 is arranged between the mounting groove 16 and the fixing piece 17, and the fixing piece 17 and the pressing piece 11 are provided with a connecting rope 18; the storage box 15 is used for storing the dechlorination agent entering into the reaction tank 1, so that the dechlorination agent does not react with the fraction oil entering into the reaction tank 1 when the dechlorination agent is not completely added into the reaction tank 1, water is generated due to the reaction, the temperature of the reaction is high, the water is directly changed into water vapor and discharged, if the two substances react during the feeding process, the water vapor generated by the reaction enters into the oil inlet pipe and the reactant inlet pipe 4, the feeding is prevented or the feeding speed is reduced, and thus the efficiency of the dechlorination reaction is affected.

[0036] In the embodiment, as a further optimized scheme, refer to Figure 2 and Figure 5 The connecting rope 18 comprises a mounting sleeve 183, the mounting sleeve 183 is slidingly provided with electromagnets 182, the mutually close sides of the two electromagnets 182 are opposite in magnetic pole and generate an attractive force therebetween; the two electromagnets 182 are provided with rope bodies 181, one group of rope bodies 181 is connected with the fixing piece 17 at the end away from the electromagnet 182, and the other group of rope bodies 181 is connected with the pressing piece 11 at the end away from the electromagnet 182; the mounting box 10 and the connecting block 23 are provided with mutually attached conductive sheets 24, one group of conductive sheets 24 is electrically connected with the two electromagnets 182, and the other group of conductive sheets 24 is electrically connected with an external power supply.

[0037] It should be noted that when the dechlorination agent is not added to the reaction agent feed pipe 4, the fixing part 17 is outside the fixing groove; when the dechlorination agent enters the inside of the reaction agent feed pipe 4, it will push the baffle 8, make the pull rope 14 move with the connecting block 23, dislocate the two conductive sheets 24, disconnect the electromagnet 182, make the pulling force on the fixing part 17 disappear, under the action of the elastic part 19, the fixing part 17 is inserted into the fixing groove, limits the moving part 153, after the dechlorination agent enters the storage box 15, the blocking plate 152 cannot automatically move down; after stopping adding the dechlorination agent, the baffle 8 resets, the connecting block 23 resets, the two conductive sheets 24 reattach, the electromagnet 182 is powered on to generate magnetic force to attract each other, the fixing part 17 is moved out of the fixing groove, the limitation of the moving part 153 disappears, the blocking plate 152 moves down under the influence of the gravity of the dechlorination agent, a gap is generated between the blocking plate 152 and the box body 151, so that the dechlorination agent in the storage box 15 flows out of the storage box 15.

[0038] In this embodiment, as a further optimized scheme, please refer to Figure 1 and Figure 2 , a heat preservation sleeve 5 is sleeved on the reaction agent feed pipe 4 to heat preservation of the reaction agent feed pipe 4 (the heat preservation sleeve 5 is made of heat preservation material); a flow guide pipe 6 is communicated with the top wall of the reaction tank 1, the flow guide pipe 6 is communicated with the heat preservation sleeve 5, and the heat preservation sleeve 5 is communicated with the water washing mechanism 2 through a connecting pipe; the steam generated in the reaction enters the inside of the water washing mechanism 2 through the heat preservation sleeve 5 and the flow guide pipe 6, and is used for water washing of the oil after the reaction (at this time, the water vapor has been liquefied, but still has a certain temperature), the higher the temperature, the greater the solubility of water to salt, and the effect of water washing is increased.

[0039] A high-boiling halogenated hydrocarbon dechlorination method, according to a high-boiling halogenated hydrocarbon dechlorination device, specifically comprising the following steps:

[0040] S1: The fraction oil (high-boiling halogenated hydrocarbon) is added to the inside of the reaction tank 1 from the oil inlet pipe, and the dechlorination agent is added to the inside of the reaction tank 1 from the reaction agent feed pipe 4, the dechlorination agent contacts and pushes the baffle 13, and the baffle 13 moves away from the reaction agent feed pipe 4, if the dechlorination agent in the inside of the reaction agent feed pipe 4 solidifies due to temperature reduction, the dechlorination agent will enter the reaction tank 1 at a lower speed due to the blockage of the heating plate 9, the baffle 13 moves closer to the reaction agent feed pipe 4 due to the reduced pushing force, and the pressing part 11 moves to press and touch the switch 12, the controller 7 is driven to control the heating plate 9 to be powered on to work, and the inside of the reaction agent feed pipe 4 is heated, so as to increase the temperature of the dechlorination agent and make it melt again.

[0041] S2: After the dechlorination agent enters the inside of the reaction tank 1, it is mixed with the fraction oil, the two are stirred and mixed by the stirring mechanism, and the reaction tank 1 is heated by the electric heating device (heated to 240-260 DEG C), so that the two react to dechlorinate.

[0042] The dechlorination agent accounts for 0.5%-3% of the mass of the mixed solution.

[0043] S3: The dechlorinated material (dechlorinated distillate oil) is discharged from the discharge port of the reaction tank 1, enters the water washing mechanism 2, and is washed with water to remove the salt generated in the reaction (the salt is dissolved in water and removed), and then the material is introduced into the flash tower 3 for flash treatment to remove the water contained in the dechlorinated distillate oil.

[0044] The dechlorination agent is prepared by mixing and heating 70 parts of potassium hydroxide, 20 parts of sodium hydroxide, 8 parts of calcium hydroxide, and 2 parts of magnesium hydroxide; the heating temperature is 230-260°C.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high boiling halocarbon dechlorination apparatus comprising: The reaction tank (1) is provided with an oil inlet pipe and a reactant inlet pipe (4), the outlet of the reaction tank (1) is connected with a water washing mechanism (2), and the water washing mechanism (2) is connected with a flash tower (3); characterized in that the dechlorination device further comprises a heating plate (9) arranged in the reactant inlet pipe (4) to separate the reactant inlet pipe (4). A through hole is formed in the heating plate (9) for the reactant inlet pipe (4) to pass through, a guide rod is slidably arranged on the reaction tank (1) and moves along the length direction of the reactant inlet pipe (4), the inner side end of the guide rod is provided with a blocking plate (13) facing the outlet of the reactant inlet pipe (4), an installation box (10) is arranged on the reaction tank (1), the outer side end of the guide rod extends into the installation box (10) and is connected with a pressing piece (11), a spring piece is arranged between the pressing piece (11) and the installation box (10), a touch switch (12) is arranged in the installation box (10) and located on the moving path of the pressing piece (11), the touch switch (12) is electrically connected with a controller (7), and the controller (7) is electrically connected with the heating plate (9). A limiting piece (20) for preventing the pressing piece (11) from contacting the touch switch (12) and an elastic element (21) for driving the limiting piece (20) to move away from the pressing piece (11) are slidably arranged on the installation box (10), the moving direction of the limiting piece (20) is perpendicular to the moving direction of the pressing piece (11), a slot is formed in the side of the pressing piece (11) facing the touch switch (12), and a protruding block is arranged on the limiting piece (20) and inserted into the slot to limit the movement of the limiting piece (20). A connecting block (23) is slidably arranged on the installation box (10), a pushing piece (22) for preventing the limiting piece (20) from moving is arranged on the connecting block (23), and a reset spring is arranged between the pushing piece (22) and the installation box (10). The inlet of the reactant inlet pipe (4) is hingedly connected with a baffle (8) for blocking the reactant inlet pipe (4), and a pull rope (14) is arranged between the baffle (8) and the connecting block (23). A storage box (15) is arranged below the blocking plate (13) in the reaction tank (1), the storage box (15) comprises a box body (151) and a blocking plate (152) for blocking the bottom of the box body (151), a moving groove is formed in the bottom of the box body (151), a moving piece (153) is arranged on the blocking plate (152) and slidably inserted into the moving groove, an installation groove (16) is formed in the reaction tank (1), a fixing piece (17) for limiting the movement of the moving piece (153) and an elastic piece (19) connected with the fixing piece (17) are slidably arranged in the installation groove (16), and a connecting rope (18) is arranged between the fixing piece (17) and the pressing piece (11).

2. A high boiling halocarbon dechlorination apparatus as defined in claim 1, wherein: The connecting rope (18) comprises a mounting sleeve (183), two mutually attractive electromagnets (182) are slidably arranged in the mounting sleeve (183), and a rope body (181) is arranged on each of the two electromagnets (182); one group of the rope bodies (181) is connected with the fixing member (17) at an end away from the electromagnet (182), and the other group of the rope bodies (181) is connected with the pressing member (11) at an end away from the electromagnet (182). Wherein, the mounting box (10) and the connecting block (23) are both provided with mutually adhering conductive sheets (24), one group of the conductive sheets (24) is electrically connected with the two electromagnets (182), and the other group of the conductive sheets (24) is electrically connected with an external power supply.

3. A high boiling halocarbon dechlorination apparatus as defined in claim 1, wherein: The reaction agent feeding pipe (4) is sleeved with a heat preservation sleeve (5), the top wall of the reaction tank (1) is communicated with a flow guide pipe (6) communicated with the heat preservation sleeve (5), and the heat preservation sleeve (5) is communicated with the water washing mechanism (2) through a connecting pipe.

4. The method of claim 1, wherein the apparatus is characterized by: Specifically comprising the following steps: S1: The fraction oil is added from the oil feeding pipe, and the dechlorination agent is added from the reaction agent feeding pipe (4) into the inside of the reaction tank (1), the dechlorination agent contacts and pushes the blocking plate (13), so that the blocking plate (13) moves away from the reaction agent feeding pipe (4); if the dechlorination agent in the reaction agent feeding pipe (4) solidifies due to temperature reduction, the dechlorination agent will enter the reaction tank (1) at a reduced speed due to the blocking of the heating plate (9), so that the blocking plate (13) moves closer to the reaction agent feeding pipe (4) due to the reduced pushing force, and the pressing member (11) moves to press the touch switch (12), so as to drive the controller (7) to control the heating plate (9) to be powered on and work, so as to heat the inside of the reaction agent feeding pipe (4); S2: After the dechlorination agent enters the inside of the reaction tank (1), it is mixed with the fraction oil and is stirred and heated, so that the two react to remove chlorine; S3: The dechlorinated material is discharged from the discharge port of the reaction tank (1), enters the inside of the water washing mechanism (2) to be washed with water, and after the salt generated in the reaction is removed, is introduced into the flash tower (3) to be treated by flash evaporation.

5. The method of claim 4, wherein: The dechlorination agent is prepared by mixing and heating 70 parts of potassium hydroxide, 20 parts of sodium hydroxide, 8 parts of calcium hydroxide and 2 parts of magnesium hydroxide.

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