CN117983000B - Waste gas treatment device for flame-retardant plate spraying workshop - Google Patents
Waste gas treatment device for flame-retardant plate spraying workshop Download PDFInfo
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- CN117983000B CN117983000B CN202410276840.4A CN202410276840A CN117983000B CN 117983000 B CN117983000 B CN 117983000B CN 202410276840 A CN202410276840 A CN 202410276840A CN 117983000 B CN117983000 B CN 117983000B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/022—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by using a liquid curtain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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Abstract
本申请涉及一种阻燃板材喷涂车间废气处理装置，属于喷涂污染物处理的技术领域，其包括设置于水帘装置内的水槽，水槽顶面固定有上箱体，上箱体底部与水槽连通；上箱体内固设有转轴，转轴周侧转动设置有转筒；上箱体周侧设置有两组电极，每组电极均包括正电极及负电极；转动至转筒下方的电极用于吸附水流中的污染物离子；转动至转筒上方的电极用于脱附再生。转轴周侧固设有四个磁块一，磁块一为电磁铁；转筒外周面开设有四个电极槽；电极沿转筒径向滑动设置于电极槽内；电极端部固设有可与磁块一磁吸附的金属块。本申请具有清楚水幕装置中VOCs及重金属离子的效果。
The present application relates to an exhaust gas treatment device for a flame-retardant plate spraying workshop, which belongs to the technical field of spraying pollutant treatment. It includes a water tank arranged in a water curtain device, an upper box body is fixed on the top surface of the water tank, and the bottom of the upper box body is connected to the water tank; a rotating shaft is fixed in the upper box body, and a rotating drum is rotatably arranged around the rotating shaft; two groups of electrodes are arranged around the upper box body, and each group of electrodes includes a positive electrode and a negative electrode; the electrode rotated to the bottom of the rotating drum is used to adsorb pollutant ions in the water flow; the electrode rotated to the top of the rotating drum is used for desorption and regeneration. Four magnetic blocks 1 are fixed on the side of the rotating shaft, and the magnetic block 1 is an electromagnet; four electrode grooves are opened on the outer circumference of the rotating drum; the electrodes are arranged in the electrode grooves along the radial direction of the rotating drum; a metal block that can be magnetically adsorbed with the magnetic block 1 is fixed at the end of the electrode. The present application has the effect of clearing VOCs and heavy metal ions in the water curtain device.
Description
Technical Field
The application relates to the technical field of spray pollutant treatment, in particular to a waste gas treatment device for a flame-retardant plate spray workshop.
Background
The gas exhausted by the flame retardant coating mainly contains VOCs, solid particles, heavy metals and other harmful substances, and the gas is required to be cleaned before being discharged. Wherein the solid particulate water curtain device is treated. The water curtain device comprises a plurality of mutually spliced water curtain plates. The water flow is left on the water curtain plate to form a water curtain. When the mixed gas passes through the water curtain, solid particles in the mixed gas can be intercepted by the water curtain and flow into the water tank along with the water flow, so that the solid particles are separated out, and the subsequent adsorption treatment of VOCs and heavy metals is facilitated.
After the mixed gas to be treated passes through the water curtain device, part of VOCs and heavy metals can be dissolved into water flow to form ions. Because the water flow of the water curtain device can be recycled, only solid particles can be adsorbed and precipitated in the recycling process. And the concentration of VOCs and heavy metals in water flow can be gradually increased in the recycling process, and secondary pollution can be caused by overflow after saturation.
Disclosure of Invention
In order to solve the problem that VOCs and heavy metal ions can be enriched in water flow when the water curtain device is used for treating particulate matters, the application provides the waste gas treatment device for the flame-retardant plate spraying workshop.
The application provides a waste gas treatment device for a flame-retardant plate spraying workshop, which adopts the following technical scheme:
The waste gas treatment device for the flame-retardant plate spraying workshop comprises a water tank arranged in a water curtain device, wherein an upper box body is fixed on the top surface of the water tank, and the bottom of the upper box body is communicated with the water tank; a rotating shaft is fixedly arranged in the upper box body, and a rotating drum is rotatably arranged on the peripheral side of the rotating shaft; two groups of electrodes are arranged on the periphery of the upper box body, and each group of electrodes comprises a positive electrode and a negative electrode; the electrode rotating below the drum is used for adsorbing pollutant ions in water flow; the electrode rotated above the drum is used for desorption regeneration.
Optionally, four first magnetic blocks are fixedly arranged on the periphery of the rotating shaft, and the first magnetic blocks are electromagnets; four electrode grooves are formed in the peripheral surface of the rotary drum; the electrode is arranged in the electrode groove in a sliding way along the radial direction of the rotary drum; the end part of the electrode is fixedly provided with a metal block which can be magnetically adsorbed with the magnetic block.
Optionally, a limiting ring is fixedly arranged on the outer peripheral surface of the electrode; an annular groove for accommodating the limiting ring is formed in the electrode groove, and the limiting ring is arranged in the annular groove in a sliding manner along the radial direction of the rotary drum; and a first reset spring is fixedly arranged in the annular groove, and one end part of the first reset spring is fixedly connected with the limiting ring and is used for driving the limiting ring to move towards the outer side of the electrode groove.
Optionally, a chute is formed on the peripheral surface of the rotating shaft; a sliding block is arranged in the sliding groove in a sliding way; a compression spring is fixedly arranged in the sliding groove, and the end part of the compression spring is fixedly connected with the sliding block and is used for driving the sliding block to reset to the outer side of the sliding groove; the sliding block is fixedly provided with a first electric sheet, and the sliding groove is fixedly provided with a first electric sheet which can be in electric contact with the first electric sheet; the first electric sheet is electrically connected with the four first magnetic blocks respectively; the first electric stator is electrically connected with a power supply; the inner peripheral surface of the rotary drum is provided with two grooves, and the sliding block can be spliced with the grooves after the rotary drum stops rotating; and a chamfer I is arranged at the vertex angle position of the end part of the sliding block.
Optionally, a cavity is formed in the inner side of the rotary drum; the outer peripheral surface of the rotating shaft is fixedly provided with four first straight rods, the end part of the first straight rods, which is far away from the rotating shaft, is fixedly provided with second electric stators which are oppositely arranged, and the second electric stators are respectively and electrically connected with the positive poles and the negative poles of the two power supplies; four straight rods II are slidably arranged on the inner peripheral surface of the rotary drum, and electric plates II which can be in electric contact with the electric plates II are fixedly arranged at the end parts of the straight rods II; and the second electric sheet is electrically connected with the electrode.
Optionally, a containing groove for containing the second straight rod is formed in the rotary drum; the outer peripheral surface of the straight rod is fixedly provided with a limiting piece, and a limiting groove which can be used for the sliding arrangement of the limiting piece is formed in the accommodating groove; and a second reset spring is fixedly arranged in the limiting groove, and the two end parts of the second reset spring are fixedly connected with the limiting piece and are used for pushing the straight rod to move towards the outer side of the accommodating groove.
Optionally, a concave hole is formed at one end part of the straight rod, and the second electric stator is buried in the concave hole; and a chamfer II is arranged at the vertex angle position of the two end parts of the straight rod.
Optionally, a motor is fixedly arranged on the side wall of the upper box body, and an output shaft of the motor is connected with the rotary drum; a motor cavity for setting the motor switch is formed in the upper box body; the motor switch comprises a sliding sheet arranged in the motor cavity in a sliding manner and a second magnetic block fixedly arranged on the side wall of the motor cavity; the second magnetic block is an electromagnet; the side wall of the sliding vane is fixedly provided with a metal sheet which can be adsorbed with the second magnetic block; an electric third piece is fixedly arranged on the top surface of the motor cavity, and an electric third piece which can be in electric contact with the electric third piece is fixedly arranged on the top surface of the sliding piece; the third electric piece is electrically connected with a power supply, and the third electric piece is electrically connected with the motor; and a reset spring III for driving the sliding vane to reset is fixedly arranged in the motor cavity, and the three end parts of the reset spring are fixedly connected with the sliding vane.
Optionally, a water inlet pipeline and a water outlet pipeline are fixedly connected to the upper box body; the water inlet pipeline and the water outlet pipeline are respectively provided with a water pump and a water valve, and the connecting circuits of the water pump and the water valve are respectively provided with a water pump switch; a control chamber for setting the water pump switch is arranged in the side wall of the upper box body; a sliding bar is arranged in the control cavity in a sliding manner; the two ends of the sliding strip are respectively fixedly provided with an electric sheet IV, and the two inner walls of the control chamber are respectively fixedly provided with an electric sheet IV which can be in electric contact with the electric sheet IV; a magnetic block III is fixedly arranged on the inner wall of the control chamber, and the magnetic block III is an electromagnet; the side wall of the sliding strip is fixedly provided with a metal sheet which can be adsorbed with the magnetic block III; and the top surface of the control chamber is fixedly provided with an extension spring for driving the slide bar to reset.
Optionally, the second magnetic block is electrically connected with the second electric stator below the rotating shaft; the third magnetic block is electrically connected with the two second electric stators positioned above the rotating shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
1. because the water flow of the water curtain device needs to be recycled, VOCs and heavy metals in the pollutant mixed gas can be taken away by the water curtain when solid particles are cleaned; these contaminants are present in the circulating water in ionic form. The application cleans the pollutants by using an electro-adsorption mode, so that the pollutants can be effectively prevented from circulating along with water flow, and secondary pollution is avoided.
2. The electro-adsorption electrode has the problem that the electro-adsorption electrode needs to be desorbed and regenerated periodically, and in order to enable the adsorption electrode to work for a long time, the application is provided with the upper box body for electrode desorption. When the rotary drum rotates, the polarities of the positive electrode and the negative electrode are mutually converted, so that the electrodes can be moved to the upper box body to desorb ions adsorbed on the electrodes; is convenient for recycling.
3. In order to accelerate the desorption process, the application is characterized in that the acid/alkaline solution is introduced into the upper box body, so that the electrode is soaked in the desorption process of the electrode, and the desorption process of the electrode is accelerated.
Drawings
FIG. 1 is a schematic view of the structure of a water tank and an upper case according to an embodiment of the present application.
Fig. 2 is an enlarged partial view of the upper case wall of the embodiment of the present application.
Fig. 3 is a cross-sectional view of a drum according to an embodiment of the present application.
Fig. 4 is a cross-sectional view of a motor chamber according to an embodiment of the application.
Fig. 5 is a cross-sectional view of a control chamber according to an embodiment of the application.
Reference numerals: 1. a water tank; 11. a straight rod I; 12. a straight rod II; 13. an electric sheet II; 14. a receiving groove; 15. a limiting piece; 16. a limit groove; 17. a second reset spring; 18. concave holes; 19. chamfering II; 2. an upper case; 21. a sealing block; 22. an arc-shaped concave surface; 23. a partition plate; 24. closing the chamber; 25. sealing the channel; 3. a rotating drum; 31. an electrode groove; 32. a through hole; 33. an electrode; 34. a limiting ring; 35. an annular groove; 36. a first reset spring; 37. a cavity; 4. a rotating shaft; 41. a first magnetic block; 42. a slide block; 43. a chute; 44. a compression spring; 45. an electric sheet I; 46. a groove; 47. chamfering I; 5. a second magnetic block; 51. a first electric stator; 52. a second electric stator; 53. a third electric stator; 54. a sliding sheet; 55. a return spring III; 6. a water inlet pipeline; 61. a water outlet pipeline; 62. a control chamber; 63. a slide bar; 64. a fourth electric stator; 65. a fourth electric sheet; 66. a motor chamber; 67. a guide groove; 68. a tension spring; 69. and a magnetic block III.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a waste gas treatment device for a flame-retardant plate spraying workshop. The exhaust gas treatment device comprises a water curtain device which comprises a water tank 1 and a water curtain assembly. The water curtain component is formed by splicing a plurality of water curtain plates, and the water curtain plates are fixed on the top of the water box in parallel. The water flow in the water tank 1 flows in from the top of the water curtain assembly and flows in the water box from the top of the water curtain plate vertically; forming a water film when water flows through the water curtain plate; in the process of contacting the gas to be filtered with the water film, particles in the gas are involved in the water film; the water stream carrying the particulate matter flows into the water box. The bottom of the water box is fixedly connected with a water outlet pipeline connected with the water tank 1, and the top of the water curtain component is fixedly connected with a water inlet pipeline connected with the water tank 1. The water flows into the water curtain component from the water inlet pipeline and flows out of the water box from the water outlet pipeline.
Referring to fig. 1 and 2, some VOCs and heavy metals in the gas to be filtered can enter the water stream with the particulate matter to form ions. The top of the water box is provided with an electric adsorption mechanism for removing VOCs and heavy metal ions. The electro-adsorption mechanism comprises an upper box body 2 fixed on the top surface of the water tank 1 and a rotary drum 3 rotatably arranged in the upper box body 2 and the water tank 1. The upper box body 2 is of a square box body structure, and the bottom of the upper box body 2 is communicated with the water tank 1. A rotating shaft 4 is fixedly connected between two opposite side walls of the upper box body 2, and the rotating drum 3 is sleeved on the periphery side of the rotating shaft 4 and is rotationally connected with the rotating shaft 4. Specifically, the length of the rotary drum 3 is equal to that of the upper box body 2, and the upper box body 2 is radially and symmetrically provided with two sealing blocks 21 along the rotary drum 3, and the sealing blocks 21 and the upper box body 2 are integrally formed. The opposite surfaces of the two sealing blocks 21 are respectively provided with an arc concave surface 22, so that the rotary drum 3 is attached to the arc concave surface 22 in the rotating process. The two inner walls of the upper box body 2, which are attached to the rotary drum 3, and the two arc concave surfaces 22 are respectively coated with a waterproof coating for preventing the liquid in the upper box body 2 from flowing into the water tank 1.
Referring to fig. 2 and 3, four electrode grooves 31 are formed in the outer peripheral surface of the drum 3. The four electrode grooves 31 are arranged in pairs, and two adjacent electrode grooves 31 are arranged along the axial direction of the rotary drum 3. The drum 3 has a through hole 32 for accommodating the shaft 4. Four first magnets 41 are fixedly arranged on the periphery of the rotating shaft 4, and the first magnets 41 are electromagnets. When the rotation of the rotary drum 3 is stopped, the four magnetic blocks 41 are respectively aligned with the four electrode grooves 31.
Referring to fig. 3, an electrode 33 is slidably disposed in the electrode groove 31 along the radial direction of the drum 3, and a metal block magnetically attracted to the first magnetic block 41 is fixedly disposed at the end of the electrode 33. Specifically, after the first magnet 41 is energized, the electrode 33 is moved in a direction approaching the rotation shaft 4 by the attraction of the metal piece. A limiting ring 34 is fixedly arranged on the outer peripheral surface of the electrode 33; an annular groove 35 for accommodating the limiting ring 34 is formed in the electrode groove 31, and the limiting ring 34 is arranged in the annular groove 35 in a sliding manner along the radial direction of the rotary drum 3. The annular groove 35 is fixedly provided with a first return spring 36, and the end part of the first return spring 36 is fixedly connected with the limiting ring 34 and is used for driving the limiting ring 34 to move towards the outer side of the electrode groove 31.
Specifically, the electrode 33 is an activated carbon electrode. When the rotation of the rotary drum 3 is stopped, the first magnet 41 is in a power-off state, and the first return spring 36 enables the end part of the electrode 33 to extend out of the rotary drum 3. Two downwardly projecting electrodes 33 project into the water stream for electroadsorption. Negative phenol, formic acid and heavy metals with negative charges in VOCs are adsorbed by the positive electrode, and positive toluene, xylene and heavy metals with positive charges in VOCs are adsorbed by the negative electrode.
Specifically, when the rotation of the drum 3 is stopped, two electrodes 33 extending upward from the drum 3 are located in the upper casing 2. When the polarity of the electrode 33 is changed, the ions adsorbed on the electrode 33 are desorbed by the repulsive force of the electric field. In order to accelerate the desorption process of VOCs and heavy metals on the electrode 33, an acid/alkali solution can be introduced into the upper box body 2 to destroy the adsorption force of the electrode 33 and ions.
Referring to fig. 2, a vertically disposed partition 23 is fixed in the upper case 2, the partition 23 divides the upper case 2 into two closed chambers 24 disposed in a horizontal direction, and an acidic or alkaline solution is introduced into the two closed chambers 24 for immersing the electrodes 33, respectively. Acidic solutions such as dilute sulfuric acid, dilute hydrochloric acid, and dilute nitric acid can accelerate the desorption of cations, and alkaline solutions such as sodium hydroxide, potassium hydroxide, and ammonia can accelerate the desorption of anions. In order to avoid the liquid in the two chambers from penetrating each other, an annular sealing channel 25 is arranged on the peripheral surface of the rotary drum 3, and the bottom surface of the partition plate 23 is arc-shaped and extends into the sealing channel 25.
Referring to fig. 1 and 2, a control switch of the first magnet 41 is disposed on the rotating shaft 4. The control switch comprises a slider 42 arranged on the rotating shaft 4 in a sliding manner along the radial direction of the rotating shaft 4. The rotating shaft 4 is provided with a chute 43 for accommodating the sliding block 42; a compression spring 44 is fixedly arranged in the sliding groove 43, and the end part of the compression spring 44 is fixedly connected with the sliding block 42 and is used for driving the sliding block 42 to reset to the outer side of the sliding groove 43. The side wall of the sliding block 42 is fixedly provided with an electric sheet I45, and the side wall of the sliding groove 43 is fixedly provided with an electric sheet I51 which can be electrically contacted with the electric sheet I45. The first electric sheet 45 is electrically connected with the first four magnetic blocks 41 respectively; the four magnet blocks 41 are connected in parallel; the first electric piece 51 is electrically connected to a power source. Two grooves 46 which are arranged in an aligned manner with the sliding blocks 42 are symmetrically arranged on the inner peripheral surface of the rotary drum 3, so that the sliding blocks 42 can be spliced with the grooves 46 after the rotary drum 3 rotates until the grooves 46 are aligned with the sliding blocks 42. The slider 42 is provided with a chamfer 47 at a vertex angle position facing the end of the groove 46, so that when the drum 3 rotates, the slider 42 can be separated from the groove 46 by abutting the chamfer 47 with the notch of the groove 46.
Specifically, when the sliding block 42 is inserted into the groove 46, the first electric piece 45 and the first electric piece 51 are in a separated state; the first magnet 41 is not energized, and the electrode 33 is extended by the first return spring 36. After the rotary drum 3 rotates, the sliding block 42 leaving the groove 46 is pressed by the inner peripheral surface of the rotary drum 3 to be received in the sliding groove 43, and the electric piece I45 is electrically contacted with the electric piece I51 in the downward moving process; the first magnet 41 is energized to allow the electrode 33 to be received in the electrode groove 31 during rotation of the drum 3.
Referring to fig. 2 and 3, a cylindrical cavity 37 is provided inside the drum 3. Two groups of stator components are fixedly arranged on the peripheral surface of the rotating shaft 4. Each group of stator components comprises two straight rods 11 which are vertically fixed on the rotating shaft 4, and the two straight rods 11 are mutually parallel; the end part of the straight rod I11 far away from the rotating shaft 4 is fixedly provided with a second electric stator 52; the second electric piece 52 is electrically connected to a power source. Two groups of moving sheet assemblies for being electrically connected with the fixed sheet assemblies are arranged on the inner peripheral surface of the rotary drum 3. The moving plate assembly comprises two straight rod II 12 which are respectively connected with the rotary drum 3 in a sliding way, and the two straight rod II 12 in each group of moving plate assemblies are arranged in parallel; the two sets of moving plate assemblies are symmetrically arranged in the rotary drum 3. When the rotating drum 3 stops rotating, the first straight rod 11 and the second straight rod 12 are arranged in alignment.
Referring to fig. 2 and 3, the end of the second straight rod 12 is fixedly provided with second electric plates 13 which can be electrically contacted with the second electric plates 52, and each second electric plate 13 is electrically connected with the electrode 33. Wherein the electric wires of the stator assembly and the rotor assembly are respectively embedded in the first straight rod 11 and the second straight rod 12. The drum 3 is internally provided with a containing groove 14 for containing the straight rod II 12. The outer peripheral surface of the straight rod II 12 is fixedly provided with a limiting piece 15, and a limiting groove 16 which can be used for the sliding arrangement of the limiting piece 15 is arranged in the accommodating groove 14; the limiting groove 16 is fixedly provided with a second return spring 17, and the end part of the second return spring 17 is fixedly connected with the limiting piece 15 and is used for pushing the second straight rod 12 to move to the outer side of the accommodating groove 14.
Specifically, two electric stators 52 in the stator assembly are respectively connected with the positive electrode and the negative electrode of the power supply. The straight rods 11 on the two adjacent stator assemblies are symmetrically arranged, and the electric stators 52 on the two symmetrically arranged straight rods 11 are respectively and electrically connected with the positive poles and the negative poles of different power supplies. When the rotating drum 3 stops rotating, the first straight rod 11 and the second straight rod 12 are in a contact state, and the second electric piece 13 on the first straight rod 11 and the second electric piece 52 on the second straight rod 12 are in an electric contact state; after the rotary drum 3 rotates for half a turn, the straight rod I11 is in contact with the straight rod II 12 in the other group of stator components; the electric piece II 13 on the straight rod I11 is changed from the positive electrode of the connecting power supply to the negative electrode of the connecting power supply after the rotating drum 3 rotates.
Referring to fig. 2 and 3, in order to facilitate the rotation stop of the drum 3, the second electric plate 13 and the second electric plate 52 are in an electric contact state, the end of the first straight rod 11 is provided with a concave hole 18 toward the second straight rod 12, and the second electric plate 52 is embedded in the concave hole 18. When the second straight rod 12 stops rotating, the end part of the second straight rod 12 is inserted into the concave hole 18, and the second electric sheet 13 is electrically contacted with the second electric sheet 52. The vertex angle positions of the end parts of the second straight rods 12 are respectively provided with two second chamfers 19 along the rotation direction of the vertex angle positions; after the second straight rod 12 rotates, the second chamfer 19 contacts the hole wall of the concave hole 18, so that the end part of the second straight rod 12 leaves the concave hole 18.
Specifically, when the two electrodes 33 on the drum 3 are directed downward, the electrodes 33 contact the water flow and attract VOCs and heavy metals in the water flow by electric adsorption. When the two electrodes 33 on the drum 3 are directed upward, the second electric plate 13 contacts with the second electric plate 52 in the process of rotating the electrodes 33, so that the polarity of the electrodes 33 is changed, and the electrodes 33 are changed from the adsorption state to the desorption state. The two electrodes 33 on the same side of the drum 3 are in the same circuit and are electrically connected to the positive and negative poles of the power supply, respectively.
Specifically, the inside of the upper casing 2 is divided into an acidic chamber and an alkaline chamber by the presence of the partition plate 23. The electrode 33 rotated into the acidic chamber is electrically connected to the positive electrode of the power supply, and the electrode 33 rotated into the alkaline chamber is electrically connected to the negative electrode of the power supply.
Specifically, the motor is buried in the side wall of the upper box body 2, and an output shaft of the motor is coaxially connected with the rotary drum 3 and is used for driving the rotary drum 3 to rotate. The motor is a stepping motor. The connection circuit of the motor and the power supply is connected with a timer I and a motor switch in series. After the motor switch is closed, starting a timer; and after the timer I finishes timing, the motor is controlled to be turned off. The first timer can be set to enable the motor output shaft to rotate for half a circle, and then the motor is controlled to be closed.
Referring to fig. 4, a motor chamber 66 for setting a motor switch is provided in the upper case 2. The motor switch comprises a sliding sheet 54 which is arranged in the motor chamber 66 in a sliding manner and a second magnetic block 5 which is fixedly arranged on the side wall of the motor chamber 66; the second magnetic block 5 is an electromagnet; the side wall of the sliding sheet 54 is fixedly provided with a metal sheet which can be adsorbed with the second magnetic block 5. The top surface of the motor cavity 66 is fixedly provided with a third electric sheet 53, and the top surface of the sliding sheet 54 is fixedly provided with a third electric sheet which can be electrically contacted with the third electric sheet 53. The third electric plate 53 is electrically connected with the power supply, and the third electric plate is electrically connected with the motor. After the second magnetic block 5 is electrified, the sliding sheet 54 is kept in an adsorption state with the second magnetic block 5 through the metal sheet, and the third electric sheet 53 are in a dislocation state. After the second magnetic block 5 is closed, the sliding sheet 54 is separated from the second magnetic block 5, and after the sliding sheet 54 is reset, the third electric sheet is electrically contacted with the third electric sheet 53, and the motor switch is closed. A third reset spring 55 for driving the sliding vane 54 to reset is fixedly arranged in the motor chamber 66, and the end part of the third reset spring 55 is fixedly connected with the sliding vane 54.
Specifically, a stator component positioned below the rotating shaft 4 is connected with the magnetic block II 5, and a comparator I and a relay I are connected in series on the connecting circuit; the output end of the first comparator is electrically connected with the first relay, and the second magnetic block 5 is connected with the first relay. After the current in the circuit is reduced to the current threshold value, the comparator outputs a low level to the relay I, and the relay I controls the magnetic block II 5 to be powered off.
Specifically, one input end of the first comparator is connected with a reference voltage, and the other input end of the first comparator is connected with the positive electrode of the power supply. The output end of the first comparator is connected with a coil of the relay, and the second magnet 5 is connected with a normally open contact of the first relay. After the two electric stator plates 52 in the stator plate assembly are respectively and electrically contacted with the two electric stator plates 13, the comparator I and the relay I are electrified, the magnetic block II 5 is in an electrified state, and the motor switch is disconnected. After the current in the circuit is reduced to the current threshold value of the comparator I, the comparator outputs a low level to the relay I, the relay I controls the magnetic block II 5 to be powered off, and the motor switch is closed.
Specifically, in the electro-adsorption process, as the ion amount on the surface of the electrode 33 increases, the resistance of the electrode 33 increases, and the current in the circuit decreases until the current in the circuit becomes a stable state after the electrode 33 is saturated by adsorption. By measuring the change in current in the circuit with the time of the electrode 33 adsorption, a current threshold can be set, which triggers the comparator to output a low level when the electrode 33 is adsorbed close to saturation.
Referring to fig. 1, an inlet pipe 6 and an outlet pipe 61 are fixedly connected to the upper case 2. Preferably, the water inlet pipeline 6 is fixedly arranged at the top of the upper box body 2, and the water outlet pipeline 61 is fixedly arranged at the bottom of the side wall of the upper box body 2. The water inlet pipeline 6 is fixedly provided with a water inlet pump and a water inlet valve, and the water inlet pump and the water inlet valve are connected into the same serial circuit; a water outlet pump and a water outlet valve are fixedly arranged on the water outlet pipeline 61, and the water outlet pump and the water outlet valve are connected into the same series circuit; the water inlet valve and the water outlet valve are electromagnetic valves. The connection circuit of the water outlet pump and the water outlet valve and the connection circuit of the water inlet pump and the water inlet valve are respectively provided with a timer II, a relay II and a water pump switch. After the water pump switch is closed, starting the timer II to count time, and starting the water outlet pump or the water inlet pump; and after the second timer finishes timing, the second relay controls the water outlet pump or the water inlet pump to be closed.
Specifically, the water outlet pump is only exemplified by the water outlet pump because the connection circuit of the water outlet pump and the water inlet pump is the same. The input end of the timer II is connected with the water pump switch, and the output end of the timer II is connected with the coil II of the relay; the water outlet pump and the water outlet valve are connected in series and then connected with a normally open contact of the relay II. After the water pump switch is closed, the water outlet pump is started, the water outlet valve is in an electrified opening state, and the water outlet pump injects liquid into the upper box body 2. And after the second timer finishes timing, outputting a low level to the second relay, and controlling the water pump and the water outlet valve to be closed by the second relay. The water inlet pipeline 6 and the water outlet pipeline 61 on the upper case 2 are respectively provided with two groups for circulating the acidic liquid and the alkaline liquid in the upper case 2, and the water pump switch is respectively connected with the second timer on the two groups of water inlet pipeline 6.
Referring to fig. 5, the water pump switch on the water inlet pipeline 6 and the water outlet pipeline 61 form a single-pole double-throw switch. A control chamber 62 for setting a single pole double throw switch is arranged in the side wall of the upper box body 2. The single pole double throw switch includes a slide 63 slidably disposed within a control chamber 62. The sliding strip 63 is fixedly provided with a fourth electric sheet 65 at both ends, and the opposite inner walls of the control chamber 62 are fixedly provided with a fourth electric sheet 64. When the slide 63 is moved to both sides, the fourth electric piece 65 at the end is brought into electrical contact with the fourth electric piece 64 on the inner wall of the control chamber 62. A guide plate is fixedly arranged at the top of the sliding strip 63, and a guide groove 67 is fixedly arranged on the top surface of the control chamber 62; an extension spring 68 is fixedly arranged in the guide groove 67, and the end part of the extension spring 68 is fixedly connected with the guide piece; when the extension spring 68 is in a natural extended state, one of the fourth electric pieces 64 is in electrical contact with the fourth electric piece 64. The top surface of the control chamber 62 is buried with a magnetic block III 69, and the magnetic block III 69 is an electromagnet; a metal sheet which can be adsorbed with the magnetic block III 69 is embedded on the top surface of the sliding strip 63; after the third magnet 69 is energized, the tension spring 68 is in a compressed state, and the other fourth electric stator 64 on the slide 63 is in an electric contact state with the fourth electric stator 64.
Specifically, a stator assembly positioned above the rotating shaft 4 is connected with a magnetic block III 69, a timer III and a relay III; the output end of the third timer is connected with the relay coil, and the third magnet 69 is connected to the normally open contact of the third relay. After the second electric stator 52 in the stator assembly is electrically contacted with the second electric stator 13, the third timer is started, and the third magnetic block 69 is started; and after the timer III finishes, outputting a low level to the relay III, and powering off the magnetic block III 69 by the relay III.
Specifically, after the rotating shaft 4 rotates to the second electric plate 13 and the second electric plate 52 are in electrical contact, the third magnetic block 69 is electrified and started, and meanwhile the third timer is started for timing. After the magnetic block III 69 is electrified, the sliding bar 63 moves and enables the water inlet pump and the water inlet valve on the water inlet pipeline 6 to be opened; the upper case 2 starts to be filled with an acidic and alkaline solution. After the timer three times, outputting a low level to the relay three; and the third relay controls the third magnetic block 69 to be closed. After the extension spring 68 controls the sliding bar 63 to move, the water pump switch on the water outlet pipeline 61 is closed, and meanwhile, the water pump switch on the water inlet pipeline 6 is opened; the water outlet valve and the water outlet pump on the water outlet pipeline 61 are opened, and the liquid in the upper box body 2 is discharged by the water outlet pipeline 61.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The utility model provides a fire-retardant panel spraying workshop exhaust treatment device, includes basin (1) that sets up in the cascade device, its characterized in that: an upper box body (2) is fixed on the top surface of the water tank (1), and the bottom of the upper box body (2) is communicated with the water tank (1); a rotating shaft (4) is fixedly arranged in the upper box body (2), and a rotating drum (3) is rotatably arranged on the peripheral side of the rotating shaft (4); two groups of electrodes (33) are arranged on the periphery of the upper box body (2), and each group of electrodes (33) comprises a positive electrode and a negative electrode; -the electrode (33) turned to below the drum (3) is used for adsorbing contaminant ions in the water flow; -the electrode (33) turned above the drum (3) for desorption regeneration;
Four first magnetic blocks (41) are fixedly arranged on the periphery of the rotating shaft (4), and the first magnetic blocks (41) are electromagnets; four electrode grooves (31) are formed in the peripheral surface of the rotary drum (3); the electrode (33) is arranged in the electrode groove (31) in a sliding way along the radial direction of the rotary drum (3); a metal block which can be magnetically adsorbed with the first magnetic block (41) is fixedly arranged at the end part of the electrode (33);
A limiting ring (34) is fixedly arranged on the peripheral surface of the electrode (33); an annular groove (35) for accommodating the limiting ring (34) is formed in the electrode groove (31), and the limiting ring (34) is arranged in the annular groove (35) in a sliding manner along the radial direction of the rotary drum (3); a first return spring (36) is fixedly arranged in the annular groove (35), and the end part of the first return spring (36) is fixedly connected with the limiting ring (34) and is used for driving the limiting ring (34) to move towards the outer side of the electrode groove (31);
a chute (43) is formed in the peripheral surface of the rotating shaft (4); a sliding block (42) is arranged in the sliding groove (43) in a sliding way; a compression spring (44) is fixedly arranged in the sliding groove (43), and the end part of the compression spring (44) is fixedly connected with the sliding block (42) and is used for driving the sliding block (42) to reset to the outer side of the sliding groove (43); an electric sheet I (45) is fixedly arranged on the side wall of the sliding block (42), and an electric sheet I (51) which can be in electric contact with the electric sheet I (45) is fixedly arranged on the side wall of the sliding groove (43); the first electric piece (45) is electrically connected with the four first magnetic blocks (41) respectively; the first electric stator (51) is electrically connected with a power supply; two grooves (46) are formed in the inner peripheral surface of the rotary drum (3), and after the rotary drum (3) stops rotating, the sliding blocks (42) can be spliced with the grooves (46); a chamfer I (47) is arranged at the vertex angle position of the end part of the sliding block (42);
A cavity (37) is formed in the inner side of the rotary drum (3); four straight rods I (11) are fixedly arranged on the peripheral surface of the rotating shaft (4), electric stators II (52) are fixedly arranged at the end parts, far away from the rotating shaft (4), of the straight rods I (11), and the two oppositely arranged electric stators II (52) are respectively electrically connected with the positive poles and the negative poles of two power supplies; four straight rod two (12) are slidably arranged on the inner peripheral surface of the rotary drum (3), and an electric sheet two (13) which can be in electric contact with the electric sheet two (52) is fixedly arranged at the end part of the straight rod two (12); the second electric sheet (13) is electrically connected to the electrode (33).
2. The flame retardant panel spray shop exhaust gas treatment device according to claim 1, wherein: an accommodating groove (14) for accommodating the straight rod II (12) is formed in the rotary drum (3); a limiting piece (15) is fixedly arranged on the peripheral surface of the straight rod II (12), and a limiting groove (16) which can be used for the sliding arrangement of the limiting piece (15) is formed in the accommodating groove (14); a second return spring (17) is fixedly arranged in the limiting groove (16), and the end part of the second return spring (17) is fixedly connected with the limiting piece (15) and used for pushing the second straight rod (12) to move towards the outer side of the accommodating groove (14).
3. The flame retardant panel spray shop exhaust gas treatment device according to claim 1, wherein: a concave hole (18) is formed in the end part of the straight rod I (11), and the electric stator II (52) is buried in the concave hole (18); and a chamfer II (19) is arranged at the top angle position of the end part of the straight rod II (12).
4. The flame retardant panel spray shop exhaust gas treatment device according to claim 1, wherein: a motor is fixedly arranged on the side wall of the upper box body (2), and an output shaft of the motor is connected with the rotary drum (3); a motor cavity (66) for setting a motor switch is formed in the upper box body (2); the motor switch comprises a sliding sheet (54) which is arranged in the motor cavity (66) in a sliding manner, and a second magnetic block (5) which is fixedly arranged on the side wall of the motor cavity (66); the second magnetic block (5) is an electromagnet; the side wall of the sliding sheet (54) is fixedly provided with a metal sheet which can be adsorbed with the magnetic block II (5); the top surface of the motor cavity (66) is fixedly provided with a third electric sheet (53), and the top surface of the sliding sheet (54) is fixedly provided with a third electric sheet which can be in electric contact with the third electric sheet (53); the third electric piece (53) is electrically connected with a power supply, and the third electric piece is electrically connected with the motor; and a return spring III (55) for driving the sliding vane (54) to reset is fixedly arranged in the motor cavity (66), and the end part of the return spring III (55) is fixedly connected with the sliding vane (54).
5. The flame retardant panel spray shop exhaust gas treatment device according to claim 4, wherein: the upper box body (2) is fixedly connected with a water inlet pipeline (6) and a water outlet pipeline (61); the water inlet pipeline (6) and the water outlet pipeline (61) are respectively provided with a water pump and a water valve, and the connection circuits of the water pump and the water valve are respectively provided with a water pump switch; a control cavity (62) for setting the water pump switch is arranged in the side wall of the upper box body (2); a sliding strip (63) is arranged in the control chamber (62) in a sliding way; the sliding strip (63) is fixedly provided with a fourth electric sheet (65) at two ends, and the two inner walls of the control chamber (62) are fixedly provided with a fourth electric sheet (64) which can be in electric contact with the fourth electric sheet (65) respectively; a magnetic block III (69) is fixedly arranged on the inner wall of the control chamber (62), and the magnetic block III (69) is an electromagnet; a metal sheet which can be adsorbed with the magnetic block III (69) is fixedly arranged on the side wall of the sliding strip (63); and an extension spring (68) for driving the slide bar (63) to reset is fixedly arranged on the top surface of the control chamber (62).
6. The flame retardant panel spray shop exhaust gas treatment device according to claim 5, wherein: the second magnetic block (5) is electrically connected with two second electric pieces (52) positioned below the rotating shaft (4); the magnetic block III (69) is electrically connected with the two electric stator II (52) above the rotating shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410276840.4A CN117983000B (en) | 2024-03-12 | 2024-03-12 | Waste gas treatment device for flame-retardant plate spraying workshop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410276840.4A CN117983000B (en) | 2024-03-12 | 2024-03-12 | Waste gas treatment device for flame-retardant plate spraying workshop |
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| CN117983000B true CN117983000B (en) | 2024-10-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111453820A (en) * | 2020-05-21 | 2020-07-28 | 清华大学 | A crawler-shaped rotary electrode capacitive deionization device and method |
| CN215085845U (en) * | 2020-12-31 | 2021-12-10 | 广西柳报尚彩文创印务有限公司 | Printing exhaust gas purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104829019A (en) * | 2015-04-28 | 2015-08-12 | 上海大学 | Photo-electric organic wastewater co-processing method based on graphene material and device thereof |
| CN108483581A (en) * | 2018-06-13 | 2018-09-04 | 环境保护部南京环境科学研究所 | A kind of novel three-dimensional electrode reaction device and activated carbon particles regeneration method |
| CN112225298B (en) * | 2020-10-22 | 2022-06-24 | 骆驼集团(安徽)再生资源有限公司 | High-salinity wastewater purification treatment process for recycling lead-acid battery |
| CN112958058A (en) * | 2021-01-20 | 2021-06-15 | 江苏科威环保技术有限公司 | Activated carbon electrothermal desorption system |
| CN115745101B (en) * | 2022-11-30 | 2025-08-12 | 江苏美淼环保科技有限公司 | Water treatment method for simultaneous adsorption and desorption of separate chambers |
| CN116621288A (en) * | 2023-06-20 | 2023-08-22 | 湖南仁和环境股份有限公司 | A device and method for electrocoagulation treatment of wastewater |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453820A (en) * | 2020-05-21 | 2020-07-28 | 清华大学 | A crawler-shaped rotary electrode capacitive deionization device and method |
| CN215085845U (en) * | 2020-12-31 | 2021-12-10 | 广西柳报尚彩文创印务有限公司 | Printing exhaust gas purification system |
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Effective date of registration: 20240926 Address after: 276013 Nanmazhuang Village, Mazhuang Town, Feixian County, Linyi City, Shandong Province Applicant after: Linyi Qiaoyuan Decoration Materials Co.,Ltd. Country or region after: China Address before: 273400 Baowo Village, Mazhuang Town, Fei County, Linyi City, Shandong Province Applicant before: Linyi Tengde New Materials Co.,Ltd. Country or region before: China |
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