CN109200786A - The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace - Google Patents

The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace Download PDF

Info

Publication number
CN109200786A
CN109200786A CN201811201215.4A CN201811201215A CN109200786A CN 109200786 A CN109200786 A CN 109200786A CN 201811201215 A CN201811201215 A CN 201811201215A CN 109200786 A CN109200786 A CN 109200786A
Authority
CN
China
Prior art keywords
storehouse
water
spray
recuperation
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811201215.4A
Other languages
Chinese (zh)
Other versions
CN109200786B (en
Inventor
唐睿
何进
陈益民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Wanci Electronics Co ltd
Original Assignee
Anhui One Magnet Electronic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui One Magnet Electronic Co Ltd filed Critical Anhui One Magnet Electronic Co Ltd
Priority to CN201811201215.4A priority Critical patent/CN109200786B/en
Publication of CN109200786A publication Critical patent/CN109200786A/en
Application granted granted Critical
Publication of CN109200786B publication Critical patent/CN109200786B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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 adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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 adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation 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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/346Controlling the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/093Cleaning containers, e.g. tanks by the force of jets or sprays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses the emission-control equipment and its waste gas processing method of a kind of exhaust gas for magnet sintering furnace, the emission-control equipment includes spray storehouse, dedusting mechanism, recuperation of heat mechanism, circulation mechanism.Setting one atomizer one for spray in storehouse is sprayed, and sprays the drainpipe that storehouse connects the ponding for being discharged in spray storehouse.Recuperation of heat mechanism includes recuperation of heat storehouse, cooling tube, and the heat in recuperation of heat storehouse and for absorbing exhaust gas in recuperation of heat storehouse is arranged in cooling tube.Dedusting mechanism is used to carry out categorised collection to dust.Circulation mechanism includes return water water pump, atomizer two, and the bottom in the water inlet connection spray storehouse of return water water pump, for the setting of atomizer two in spray storehouse, atomizer two connects return water water pump.The present invention can first recycle the heat in exhaust gas when handling exhaust gas, and when carrying out spray process to exhaust gas, can increase the utilization efficiency of water by cycling use of water.The present invention has the characteristics of economizing on resources, being good for the environment.

Description

The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace
Technical field
The present invention relates to a kind of emission-control equipments of technical field of waste gas treatment, specially a kind of to be used for magnet sintering furnace Exhaust gas emission-control equipment.
Background technique
The ingredient of magnet includes the atoms such as iron, cobalt, nickel, and the internal structure of atom is more special, and magnet inherently has There is magnetic moment.Magnet can generate magnetic field, have the characteristic for attracting the metals such as ferromagnetic material such as iron, nickel, cobalt.By 1,100 Development, magnet has become the muscle material in for people's lives, and is widely used in every field.Therefore, the product of magnet are promoted Matter has great importance.
Existing magnet generation factory needs to use magnet sintering furnace, magnet sintering furnace is at work when producing magnet A large amount of exhaust gas for having high fever can be generated.But existing emission-control equipment is when handling exhaust gas, it on the one hand cannot be to exhaust gas Heat be recycled, waste of resource;On the other hand, existing emission-control equipment cannot carry out circulation benefit to shower water With, and it is not high to the utilization efficiency of water.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of exhaust-gas treatment of exhaust gas for magnet sintering furnace dresses It sets, has heat recovery rate height, the advantages of economizing on resources, solve asking for the easy waste of resource of existing emission-control equipment Topic.
(2) technical solution
To realize that above-mentioned heat recovery rate is high, the purpose to economize on resources, the invention provides the following technical scheme: a kind of be used for magnetic The emission-control equipment of the exhaust gas of body sintering furnace, including spray storehouse spray setting one atomizer one for spray in storehouse, And spray the drainpipe that storehouse connects the ponding for being discharged in spray storehouse;
The emission-control equipment further include:
Drug administration mechanism comprising medicine-chest, drug row pipe, flow-limiting valve;Medicine-chest is fixed on above spray storehouse, and for storing medicine Agent;The both ends of drug row pipe are separately connected medicine-chest and spray storehouse;Flow-limiting valve is arranged on drug row pipe, and the stream for adjusting drug row pipe Amount;
Recuperation of heat mechanism includes: recuperation of heat storehouse, cooling tube, coolant liquid;The bottom setting connection magnet sintering in recuperation of heat storehouse The flue gas leading of furnace, exhaust gas flow into recuperation of heat storehouse, and the top through recuperation of heat storehouse from the flue gas leading, then flow into spray storehouse;It is cold But the heat in recuperation of heat storehouse and for absorbing exhaust gas in recuperation of heat storehouse is arranged in pipe;One end that the coolant liquid passes through cooling tube It flows into, and is flowed out from the other end of cooling tube;
Dedusting mechanism comprising dust compartment, dust compartment are separately connected recuperation of heat storehouse and spray storehouse, and dust compartment includes filtering Net, dust storage tank one, solenoid valve three, dust storage tank two, magnetic block, fixed link;Dust storage tank one is for storing dust and being separately connected heat Recovery bin and spray storehouse, one bottom of dust storage tank is funnel-shaped structure and a discharge nozzle is arranged in bottom end;Filter screen setting is in storage dirt Dust in case one and for filtering flow direction spray storehouse;Solenoid valve three is arranged on the discharge nozzle, and for control it is described go out The opening and closing of expects pipe;Dust storage tank two is mounted on one lower section of dust storage tank, and for receiving the dust flowed out from the discharge nozzle; Magnetic block is pyramidal structure, and one end of the diameter length of magnetic block is downward;Fixed link is detachably arranged in the bottom of dust storage tank two Middle part on wall, and fixed link is for fixing magnetic block;
Wiper mechanism comprising cleaning sprayer one, cleaning sprayer two, sewage pipe;The setting of cleaning sprayer one is returned in the heat It receives on the roof in storehouse, and the cleaning sprayer one connects a cleaning water valve one;Cleaning sprayer two is arranged in dust storage tank one Roof on, and the cleaning sprayer two connect a cleaning water valve two;The bottom in recuperation of heat storehouse is arranged in sewage pipe;
Drier comprising drying box, air-heater;Drying box connects recuperation of heat storehouse by air-heater;
Circulation mechanism includes return water water pump, atomizer two;The bottom in the water inlet connection spray storehouse of return water water pump;Atomization For the setting of spray head two in spray storehouse, atomizer two connects the water outlet of return water water pump.
As a further improvement of the foregoing solution, the emission-control equipment further include Water quality detector, level switch, Solenoid valve one, solenoid valve two, controller;
The pH value of ponding in Water quality detector detection spray storehouse;
The water level of ponding in level switch detection spray storehouse;
Solenoid valve one is used to adjust the inflow of atomizer one;
Solenoid valve two is arranged on drainpipe, and for opening and closing to drainpipe.
The water level value that controller is detected according to level switch, when the water level value is lower than a preset water level When value, controller opens solenoid valve and closes solenoid valve two together;Controller works as institute according to Water quality detector pH value detected State less than one preset value of pH value for the moment, controller opens return water water pump;When the pH value is not less than the preset value one When, controller opens solenoid valve two, closes return water water pump, solenoid valve one.
As a further improvement of the foregoing solution, the emission-control equipment further includes a tail gas processing mechanism, described Tail gas processing mechanism includes the tail gas clean-up storehouse in connection spray storehouse;Few absorption is detachably mounted in tail gas clean-up storehouse Plate;There is at least one mounting groove for accommodating adsorption plate in tail gas clean-up storehouse.
As a further improvement of the foregoing solution, cooling tube is helical structure;Short transverse of the cooling tube along recuperation of heat storehouse Upward spiral.
As a further improvement of the foregoing solution, return water water pump connects the spray storehouse by a screen pipe.
As a further improvement of the foregoing solution, it after coolant liquid is flowed out out of cooling tube, is stored by a water tank.
As a further improvement of the foregoing solution, atomizer one connects a former pond by a suction pump, described Suction pump supplies water to atomizer one.
As a further improvement of the foregoing solution, the emission-control equipment further includes a power supply device, the power supply Device is used to provide power supply to return water water pump, controller, Water quality detector, level switch, solenoid valve one, solenoid valve two.
As a further improvement of the foregoing solution, one end of the outflow of the coolant liquid of the cooling tube connects a water storage Case.
The present invention also provides a kind of waste gas processing methods, use any one of the above emission-control equipment, the exhaust gas Processing method the following steps are included:
When spraying the water level value in storehouse lower than a preset water level value, starting atomizer one supplies water;
When pH value is less than a preset value in spray storehouse, return water water pump is opened;
When the water level value in spray storehouse not less than the preset water level value and sprays the pH value of water in storehouse not less than described When preset value, the water in storehouse will be sprayed and be discharged.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of emission-control equipment of exhaust gas for magnet sintering furnace, tools It is standby following the utility model has the advantages that
1, the emission-control equipment of the exhaust gas for magnet sintering furnace of the invention, by the way that recuperation of heat mechanism is arranged, from energy Enough by the way that coolant liquid is inputted cooling tube, exhaust gas is inputted into recuperation of heat storehouse, during coolant liquid flows in cooling tube, will be given up The heat of gas is absorbed, to be recycled to heat, has saved resource.
2, the emission-control equipment of the exhaust gas for magnet sintering furnace of the invention, by the way that dust compartment is arranged, and in dust Dust storage tank one and dismountable dust storage tank two be set in storehouse, one bottom of dust storage tank is provided with the discharge nozzle of solenoid valve three, and Dust in dust storage tank one can flow in dust storage tank two.When the dust accumulation in dust storage tank two is to a predetermined amount, close Solenoid valve three dismantles dust storage tank two and dust storage tank two is replaced and cleaned, together so that dust storage tank a pair of dust is stored When do not influence the smooth operation of emission-control equipment, it is easy to use.
3, the emission-control equipment of the exhaust gas for magnet sintering furnace of the invention passes through setting wiper mechanism and drying machine Structure can be to carry out clean and maintenance to emission-control equipment, and after the completion of cleaning without using emission-control equipment, right Recuperation of heat storehouse, dust compartment are dried, so as to extend service life of the invention.
4, the emission-control equipment of the exhaust gas for magnet sintering furnace of the invention, by the way that circulation mechanism is arranged, so as to It is enough to spray the extraction of the ponding in storehouse, and recycle, the solubility of water is sufficiently used, water resource is saved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the emission-control equipment of the exhaust gas for magnet sintering furnace of the embodiment of the present invention 1;
Fig. 2 is the structural schematic diagram of the emission-control equipment of the exhaust gas for magnet sintering furnace of the embodiment of the present invention 2;
Fig. 3 is the structural schematic diagram of the recuperation of heat mechanism in Fig. 1;
Fig. 4 be the embodiment of the present invention 3 spray storehouse, circulation mechanism, tail gas clean-up mechanism structural schematic diagram;
Fig. 5 is detail enlarged diagram at the A in Fig. 4;
Fig. 6 be the spraying mechanism of the embodiment of the present invention 4, circulation mechanism, tail gas clean-up mechanism structural schematic diagram.
Symbol description:
1 recuperation of heat storehouse, 31 screen pipe
2 spray 32 atomizers two of storehouse
3 return water water pump, 41 exhaust pipe
4 tail gas clean-up storehouse, 43 adsorption plate
5 communicating pipe 44 card slot
6 controller, 45 draught damper
7 dust compartment, 211 solenoid valve one
8 drying box, 241 solenoid valve two
9 air-heater, 71 filter screen
11 water inlet pipe, 72 dust storage tank one
12 air inlet pipe, 73 solenoid valve three
13 cooling tube, 74 dust storage tank two
14 water tank, 75 magnetic block
15 cleaning sprayer, one 76 fixed link
16 cleaning one 77 cleaning sprayers two of water valve
21 atomizers 1 clean water valve two
24 drainpipes
25 medicine-chests
26 drug row pipes
27 flow-limiting valves
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1 and Fig. 3 are please referred to, the emission-control equipment of the exhaust gas for magnet sintering furnace of the present embodiment includes spray storehouse 2, drug administration mechanism, recuperation of heat mechanism, dedusting mechanism, wiper mechanism, drier, circulation mechanism.
It sprays storehouse 2 and is used to carry out exhaust gas spray cleaning, setting one atomizer one for spray in spray storehouse 2 21, and the drainpipe 24 that storehouse 2 connects the ponding for being discharged in spray storehouse 2 is sprayed, after exhaust gas is flowed into again in spray storehouse 2, Atomizer 1 sprays raw water, purifies to the exhaust gas in spray storehouse 2, and raw water is dissolving the soluble detrimental in exhaust gas Waste water is formed after substance, waste water is flowed out from drainpipe 24, and purified exhaust gas is flowed out from exhaust pipe 41.
Containing a large amount of sulfide in the exhaust gas generated after being sintered due to magnet, so that the ponding sprayed in storehouse 2 contains vulcanization Object, so that the sulfide to the ponding in spray storehouse 2 be needed to be removed.
Drug administration mechanism is used to add sulfur elimination to spray storehouse 2, and drug administration mechanism includes medicine-chest 25, drug row pipe 26, flow-limiting valve 27. Medicine-chest 25 is fixed on spray storehouse 2, and for storing sulphur removal medicament.Drug row pipe 26 connects medicine-chest 25 and spray storehouse 2.Flow-limiting valve 27 It is arranged on drug row pipe 26, and the flow for adjusting drug row pipe 26.When being sprayed, open flow-limiting valve 27, make sulfur elimination from Spray storehouse 2 is flowed into 26 consistent of drug row pipe, to purify to the sulfide in spray storehouse 2.
Recuperation of heat mechanism is used for before exhaust gas enters spray storehouse 2, is recycled to the heat in exhaust gas.Recuperation of heat mechanism packet Include recuperation of heat storehouse 1, cooling tube 13.The air inlet pipe 12 of the flue gas leading of the bottom setting connection magnet sintering furnace in recuperation of heat storehouse 1, exhaust gas Recuperation of heat storehouse 1, and the top through recuperation of heat storehouse 1 are flowed into from the flue gas leading, then flows into spray storehouse 2.The setting of cooling tube 13 exists Heat in recuperation of heat storehouse 1 and for absorbing exhaust gas in recuperation of heat storehouse 1.The water inlet pipe 11 that coolant liquid passes through one end of cooling tube 13 It flows into, and from the outflow of cooling tube 13.Preferably, the one end that can be flowed out the coolant liquid of cooling tube 13 connects a water tank 14.The coolant liquid of the present embodiment uses water, and the cost of water is low, and water is absorbing after heat becomes hot water, can be directly as life Water supply is utilized, easy to use.
For dedusting mechanism for absorbing to the dust in exhaust gas, the dedusting mechanism includes dust compartment 7, is separately connected Recuperation of heat storehouse 1 and spray storehouse 2, dust compartment 7 include filter screen 71, dust storage tank 1, solenoid valve 3 73, dust storage tank 2 74, magnetic Block 75, fixed link 76, dust storage tank 1 is for storing dust and being separately connected recuperation of heat storehouse 1 and spray storehouse 2, one 72 bottom of dust storage tank Portion is funnel-shaped structure and a discharge nozzle is arranged in bottom end, and filter screen 71 is arranged in dust storage tank 1 and for filtering flow direction spray The dust in storehouse 2 is drenched, solenoid valve 3 73 is arranged on the discharge nozzle, and the opening and closing for controlling the discharge nozzle, storage Dirt case 2 74 is mounted on one 72 lower section of dust storage tank, and for receiving the dust flowed out from the discharge nozzle, magnetic block 75 is taper Structure, and one end of the diameter length of magnetic block 75 is located below, one end that diameter is short is located above, fixed link 76 is removably pacified Middle part on the bottom wall of dust storage tank 2 74, and for fixing magnetic block 75.
Specifically, the course of work of dedusting mechanism is, exhaust gas flows into the dust storage tank 1 of dust compartment 7, powder from recuperation of heat storehouse 1 Dirt is fallen after being filtered by filter screen 71 in one 72 bottom of dust storage tank, and is flowed in dust storage tank 2 72 from discharge nozzle, therein Magnetic dust is adsorbed by magnetic block 75, remaining dust flows to the outer of fixed link 76 along the edge of pyramidal structure magnetic block 75 Side can prevent dust from generating the accumulation of taper, make dust accumulation more evenly, and gas is by flowing into spray storehouse a communicating pipe 5 2.When the dust pile accumulated amount in dust storage tank 2 74 reaches a preset accumulating amount, solenoid valve 3 73 is closed, thus dust storage tank One 72 pairs of dust store, and user dismantles dust storage tank 2 74 and dust storage tank 2 74 is replaced and cleaned, while not shadow The whole smooth operation of emission-control equipment is rung, it is easy to use.
Further, the dust storage tank 1 of the present embodiment and dust storage tank 2 74 can be socketed by screw thread, leakproofness It is good, and convenient disassembly.The dust storage tank 2 74 of the present embodiment can be made of glass material, convenient for users to in dust storage tank 2 74 Storage dust quantity observed, so as to carry out disassembly cleaning to dust storage tank 2 74 in time.The bottom end of fixed link 76 can pass through It is threadably mounted on the bottom wall of dust storage tank 2 74, and user can be by disassembly fixed link 76 to the magnetism on magnetic block 75 Dust is collected.
Wiper mechanism for being rinsed to recuperation of heat storehouse 1 and dust storage tank 1, wiper mechanism include cleaning sprayer 1, Cleaning sprayer 2 77, sewage pipe 17.Cleaning sprayer 1 is arranged on the roof in the recuperation of heat storehouse 1, and the cleaning is sprayed One cleaning water valve 1 of first 15 connection.Cleaning sprayer 2 77 is arranged on the roof in dust storage tank 1, and the cleaning Spray head 2 77 connects a cleaning water valve 2 78.The bottom in recuperation of heat storehouse 1 is arranged in sewage pipe 17, and sewage pipe 17 is at exhaust gas Device is managed to carry out when exhaust-gas treatment operation being closed state.When emission-control equipment is without exhaust-gas treatment operation, heat is returned It receives storehouse 1 and dust compartment 7 carries out clean and maintenance, to facilitate subsequent use.Sewage pipe 17 and solenoid valve 73 are opened, is then opened Water valve 1 and cleaning water valve 2 78 are cleaned, dust storage tank 2 74 is dismantled, flushing liquor is from cleaning sprayer 1 and cleaning sprayer 2 77 It sprays, recuperation of heat storehouse 1 and dust storage tank 1 is rinsed, sewage is respectively from the discharging of one 72 bottom end of sewage pipe 17 and dust storage tank Pipe discharge.Wherein, user further dismantles fixed link 76, and is individually rushed to dust storage tank 2 74 and fixed link 76 It washes.After the completion of flushing, cleaning water valve 1 and cleaning water valve 2 78 are closed, and dust storage tank 2 74 is installed.
Drier be used for after cleaning recuperation of heat storehouse 1 and dust storage tank 1 be dried, drier includes drying Box 8, air-heater 9.Drying box 8 connects recuperation of heat storehouse 1 by institute's air-heater 9.Desiccant is set in drying box 8, the present embodiment Desiccant can be anhydrous calcium chloride, soda lime, silica gel etc..When operation is dried, closing sewage pipe 17, air inlet pipe 12, row Water pipe 24 makes the unidirectional air duct in the air duct of emission-control equipment, i.e., when air-heater 9 starts, air is dry through drying box 8, by heat Blower 9 flows into recuperation of heat storehouse 1 after heating, and successively by dust compartment 7, spray storehouse 2, finally flows out from exhaust pipe 41, dry simultaneously Thermal current by recuperation of heat storehouse 1, dust compartment 7, spray storehouse 2 in moisture take out of.Emission-control equipment after drying facilitates dimension Shield, the service life is longer.
Circulation mechanism is used to recycle the ponding in spray storehouse 2 comprising return water water pump 3, atomizer two 32, the bottom in the water inlet connection spray storehouse 2 of return water water pump 3, the setting of atomizer 2 32 is in spray storehouse 2, atomizer two The water outlet of 32 connection return water water pumps 3.And when starting return water water pump 3, stops the draining of drainpipe 24 or make drainpipe 24 Displacement be less than atomizer 1 amount of water sprayed, return water water pump 3 will spray storehouse 2 in ponding extraction, then pass through atomization Spray head 2 32 is sprayed onto the interior progress waste gas purification in spray storehouse 2 and has saved water resource so as to be recycled to waste water.? In the present embodiment the water inlet of return water water pump 3 be directly connected to spray storehouse 2 in other embodiments can be in the water inlet of return water water pump 3 A screen pipe 31 is arranged in the junction in mouth and spray storehouse 2, and the solid matter that screen pipe 31 can will spray waste water in storehouse 2 carries out Isolation, to avoid generating harm to the normal operation of return water water pump 3.
Further, since the exhaust gas generated after magnet sintering contains sulfide, and sulfide can generate sulphur after reacting with water Acid, so that waste water has acidity, it is preferable that the spray storehouse 2 of the present embodiment and all pipeline configurations are all made of corrosion resistant steel modeling Material is made, long service life.
In conclusion the exhaust gas for magnet sintering furnace of the present embodiment gives up compared to existing emission-control equipment Flash Gas Compression Skid System can first pass through recuperation of heat storehouse 1 and recycle the heat in exhaust gas, then is right when carrying out exhaust-gas treatment operation Dust in exhaust gas is filtered, and then carries out spray cleaning, and in spray, and the waste water that can be generated to spray recycles It utilizes, to make full use of the solubility of water, increases the utilization efficiency of water, save water resource.
Embodiment 2
Referring to Fig. 2, the emission-control equipment of the exhaust gas for magnet sintering furnace of the present embodiment is on that basis of example 1 Be also provided with Water quality detector 22, level switch 23, solenoid valve 1, solenoid valve 2 241, controller 6.Water quality detection The pH value on the bottom wall in spray storehouse 2 and for detecting the ponding in spray storehouse 2 is arranged in device 22, and the setting of level switch 23 exists Water level in spray 2 internal side wall of storehouse and for detecting the ponding in spray storehouse 2, solenoid valve 1 connect atomizer 1 And the water supply of atomizer 1 is opened and closed, solenoid valve 2 241 is arranged on drainpipe 24 and for draining Pipe 24 is opened and closed.
When solenoid valve 1 is opened, atomizer 1 sprays raw water, atomizer 1 when solenoid valve 1 is closed Stop water spray.When solenoid valve 2 241 is opened, drainpipe 24 is discharged the ponding in storehouse 2 is sprayed, when solenoid valve 2 241 is closed, row Water pipe 24 stops draining.
The present embodiment also provides a kind of waste gas processing method, the waste gas processing method the following steps are included:
Step S1: the water level value that controller 6 is detected according to level switch 23, and whether detect the water level value Lower than one preset water level value is that then controller 6 controls the opening of solenoid valve 1, control solenoid valve 2 241 is closed, otherwise controls Device processed closes solenoid valve 1.
Step S2: controller 6 detects whether the pH value is less than according to the pH value detected of Water quality detector 22 One preset value is that then controller 6 opens return water water pump 3, and otherwise controller closes return water water pump 3, and controls solenoid valve 2 241 It opens, solenoid valve 1 is closed.
Embodiment 3
Fig. 4 and Fig. 5 are please referred to, the emission-control equipment of the exhaust gas for magnet sintering furnace of the present embodiment is in embodiment 1 On the basis of increase a tail gas clean-up mechanism, the top that the tail gas clean-up mechanism passes through the connection spray of exhaust pipe 41 storehouse 2 And the tail gas one for generating after purifying to spray storehouse 2 carries out further adsorption treatment.
Tail gas clean-up mechanism includes tail gas clean-up storehouse 4, and a few adsorption plate is detachably mounted in tail gas clean-up storehouse 4 43, interior at least one mounting groove 44 having for accommodating adsorption plate 43 in tail gas clean-up storehouse 4.In the present embodiment, adsorption plate 43 Using the active carbon filter plate with honeycomb filter hole, and three adsorption plates 43 are set, and tail gas clean-up in tail gas clean-up storehouse 4 There are three mounting grooves 44 for the corresponding tool in storehouse 4.Adsorption plate 43 is easy for assemble or unload, is convenient for replacing.
Gas is at the stream out of spray storehouse 2, when by tail gas clean-up storehouse 4, by adsorption plate 43 to some residual in tail gas The particulate matter deposited is adsorbed.Preferably, adsorption plate 43 can be active carbon filter plate, and active carbon filter plate is at low cost, and inhale Attached effect is good.
Embodiment 4
Referring to Fig. 6, the emission-control equipment of the exhaust gas for magnet sintering furnace of the present embodiment is on the basis of embodiment 2 On increase a tail gas clean-up storehouse 4, i.e., tail gas clean-up mechanism includes two tail gas clean-up storehouses 4, and two tail gas clean-up storehouses 4 are divided Storehouse 2 Lian Jie not be sprayed, and a draught damper is arranged in the interconnecting piece in each tail gas clean-up storehouse 4 and spray storehouse 2.
To be connected by closing this tail gas clean-up storehouse 4 when a tail gas clean-up storehouse 4 carries out part replacement and maintenance The draught damper connect, another tail gas clean-up storehouse 4 work on, and keep continuing working for the tail gas clean-up mechanism of the present embodiment.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of emission-control equipment of the exhaust gas for magnet sintering furnace, including spray storehouse (2), the interior setting one of spray storehouse (2) A atomizer one (21) for spray, and spray the draining that storehouse (2) connect the ponding for being discharged in spray storehouse (2) It manages (24);
It is characterized by: the emission-control equipment further include:
Drug administration mechanism comprising medicine-chest (25), drug row pipe (26), flow-limiting valve (27);Medicine-chest (25) is fixed on spray storehouse (2) Side, and for storing medicament;The both ends of drug row pipe (26) are separately connected medicine-chest (25) and spray storehouse (2);Flow-limiting valve (27) setting On drug row pipe (26), and the flow for adjusting drug row pipe (26);
Recuperation of heat mechanism comprising: recuperation of heat storehouse (1), cooling tube (13), cleaning sprayer (15), coolant liquid;Recuperation of heat storehouse (1) Bottom setting connection magnet sintering furnace flue gas leading, exhaust gas flows into recuperation of heat storehouse (1) from the flue gas leading, and through recuperation of heat storehouse (1) top outflow;Heat of cooling tube (13) setting in recuperation of heat storehouse (1) and for absorbing recuperation of heat storehouse (1) interior exhaust gas; Cleaning sprayer (15) is arranged on the roof of recuperation of heat storehouse (1);The coolant liquid is flowed by one end of cooling tube, and from cooling Manage the other end outflow of (13);
Dedusting mechanism comprising dust compartment (7), dust compartment (7) are separately connected recuperation of heat storehouse (1) and spray storehouse (2), dust compartment It (7) include filter screen (71), dust storage tank one (72), solenoid valve three (73), dust storage tank two (74), magnetic block (75), fixed link (76);Dust storage tank one (72) is for storing dust and being separately connected recuperation of heat storehouse (1) and spray storehouse (2), dust storage tank one (72) bottom Portion is funnel-shaped structure and a discharge nozzle is arranged in bottom end;Filter screen (71) setting is in dust storage tank one (72) and for filtering stream To the dust of spray storehouse (2);Solenoid valve three (73) be arranged on the discharge nozzle, and for control the discharge nozzle opening and It closes;Dust storage tank two (74) is mounted below dust storage tank one (72), and for receiving the dust flowed out from the discharge nozzle;Magnetic Block (75) is pyramidal structure, and one end of the diameter length of magnetic block (75) is downward;Fixed link (76) is detachably arranged in storage dirt Middle part on the bottom wall of case two (74), and fixed link (76) is for fixing magnetic block (75);
Wiper mechanism comprising cleaning sprayer one (15), cleaning sprayer two (77), sewage pipe (17);Cleaning sprayer one (15) is set It sets on the roof in the recuperation of heat storehouse (1), and the cleaning sprayer one (15) connects a cleaning water valve one (16);Cleaning Spray head two (77) is arranged on the roof in dust storage tank one (72), and the cleaning sprayer two (77) connects a cleaning water valve two (78);Sewage pipe (17) is arranged in the bottom of recuperation of heat storehouse (1);
Drier comprising drying box (8), air-heater (9);Drying box (8) passes through air-heater (9) connection recuperation of heat storehouse (1);
Circulation mechanism comprising return water water pump (3), atomizer two (32);The water inlet connection spray storehouse of return water water pump (3) (2) bottom;In spray storehouse (2), atomizer two (32) connects the water outlet of return water water pump (3) for atomizer two (32) setting Mouthful.
2. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: described useless Flash Gas Compression Skid System further includes Water quality detector (22), level switch (23), solenoid valve one (211), solenoid valve two (241), control Device (6) processed;
The pH value of ponding in Water quality detector (22) detection spray storehouse (2);
The water level of ponding in level switch (23) detection spray storehouse (2);
Solenoid valve one (211) is used to adjust the inflow of atomizer one (21);
Solenoid valve two (241) is arranged on drainpipe (24), and for opening and closing to drainpipe (24).
Controller (6) is according to the water level value detected described in level switch (23), when the water level value is preset lower than one When water level value, controller opens solenoid valve one (211) and closes solenoid valve two (241);Controller (6) is according to Water quality detector (22) pH value detected, when the pH value is less than a preset value, controller (6) opens return water water pump (3);Work as institute When stating pH value not less than the preset value, controller (6) opens solenoid valve two (241), closes return water water pump (3), solenoid valve One (211).
3. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: described useless Flash Gas Compression Skid System further includes a tail gas processing mechanism, and the tail gas processing mechanism includes the tail gas clean-up of connection spray storehouse (2) Storehouse (4);A few adsorption plate (43) is detachably mounted in tail gas clean-up storehouse (4);Have in tail gas clean-up storehouse (4) for holding Set at least one mounting groove (44) of adsorption plate (43).
4. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: cooling tube It (13) is helical structure;Short transverse upward spiral of the cooling tube (13) along recuperation of heat storehouse (1).
5. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: return water water It pumps (3) and the spray storehouse (2) is connected by a screen pipe (31).
6. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: coolant liquid In from cooling tube (13) after outflow, stored by a water tank (14).
7. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: atomization spray First (21) connect a former pond by a suction pump, and the suction pump supplies water to atomizer one (21).
8. the emission-control equipment of the exhaust gas according to claim 2 for magnet sintering furnace, it is characterised in that: described useless Flash Gas Compression Skid System further includes a power supply device, and the power supply device is used for return water water pump (3), controller (6), water quality detection Device (22), level switch (23), solenoid valve one (211), solenoid valve two (241) provide power supply.
9. the emission-control equipment of the exhaust gas according to claim 1 for magnet sintering furnace, it is characterised in that: described cold But the one end for managing the outflow of the coolant liquid of (13) connects a water tank (14).
10. a kind of waste gas processing method, it is suitable for any one emission-control equipment described in the claims 1 to 9, Be characterized in that: the waste gas processing method the following steps are included:
When spraying the water level value in storehouse (2) lower than a preset water level value, starting atomizer one (21) is supplied water, and drainpipe (24) it does not drain;
When spraying storehouse (2) interior pH value less than a preset value, open return water water pump (3);
When the water level value in spray storehouse (2) not less than the preset water level value and sprays the pH value of storehouse (2) interior water not less than institute When stating preset value, the water in storehouse (2) will be sprayed and be discharged.
CN201811201215.4A 2018-10-16 2018-10-16 Exhaust gas treatment device for exhaust gas of magnet sintering furnace and exhaust gas treatment method thereof Active CN109200786B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811201215.4A CN109200786B (en) 2018-10-16 2018-10-16 Exhaust gas treatment device for exhaust gas of magnet sintering furnace and exhaust gas treatment method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811201215.4A CN109200786B (en) 2018-10-16 2018-10-16 Exhaust gas treatment device for exhaust gas of magnet sintering furnace and exhaust gas treatment method thereof

Publications (2)

Publication Number Publication Date
CN109200786A true CN109200786A (en) 2019-01-15
CN109200786B CN109200786B (en) 2021-03-23

Family

ID=64980466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811201215.4A Active CN109200786B (en) 2018-10-16 2018-10-16 Exhaust gas treatment device for exhaust gas of magnet sintering furnace and exhaust gas treatment method thereof

Country Status (1)

Country Link
CN (1) CN109200786B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110787575A (en) * 2019-10-30 2020-02-14 丁武轩 Smoke purification tower for recycling dust of sintering machine head of steel plant
CN113375178A (en) * 2021-04-29 2021-09-10 胡建平 Boiler flue gas treatment and waste heat recovery device

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879163A (en) * 1972-01-26 1973-10-24
JPH11104453A (en) * 1997-10-01 1999-04-20 Sumitomo Heavy Ind Ltd Setting of ammonia injection quantity in waste gas treatment apparatus of refuse incinerator
JPH11169628A (en) * 1997-12-15 1999-06-29 Kyoei Sangyo Kk Combustion furnace exhaust gas treatment method and apparatus
CN201157730Y (en) * 2007-12-29 2008-12-03 上海复星医药(集团)股份有限公司 Dust removing apparatus
CN102416359A (en) * 2011-09-03 2012-04-18 盐城市劲风节能环保设备有限公司 Magnetic fluid dust removal equipment, method for removing dust in air by using same and application
CN202683345U (en) * 2012-05-21 2013-01-23 上海磁博机械制造有限公司 Magnetic dust removing device
CN103071585A (en) * 2012-05-24 2013-05-01 上海磁博机械制造有限公司 Magnetic dust removing apparatus and dust removing method
CN203591663U (en) * 2013-10-21 2014-05-14 山东沃丰格瑞管业有限公司 Three-stage dusting device for pipe preservative treatment
CN204816872U (en) * 2015-07-07 2015-12-02 南安市兴南机械配件有限公司 High -efficient electromagnetism deironing dust collector
CN204973501U (en) * 2015-05-02 2016-01-20 中能世华(北京)节能科技有限公司 Stable desulfurization dust pelletizing system of environmental protection
CN206027924U (en) * 2016-08-27 2017-03-22 天津一阳磁性材料有限责任公司 Powder deironing dust collector
CN107224826A (en) * 2017-07-20 2017-10-03 重庆阳正环保科技股份有限公司 A kind of sulphur-containing exhaust gas processing system
CN107376559A (en) * 2017-07-27 2017-11-24 国网河南省电力公司西峡县供电公司 A kind of discarded cable high-temperature processing unit waste gas Online Processing System
CN206715679U (en) * 2017-04-05 2017-12-08 郑州嘉晨化工科技有限公司 A kind of environment-friendly type industrial waste gas treatment device
CN207169356U (en) * 2017-09-15 2018-04-03 安徽方信立华环保科技有限公司 A kind of waste gas Environmental-protecting dust-removing mechanical device
CN207203768U (en) * 2017-09-05 2018-04-10 北京禹泰环保工程有限公司 A kind of smoke desulfurizing dust-remover for boiler
CN107952586A (en) * 2017-11-20 2018-04-24 林辉 A kind of highly effective air dust removal and filtration garden equipment
CN107971133A (en) * 2017-11-28 2018-05-01 江苏飞视文化发展有限公司 A kind of electromagnetic type metallic dust collection device
CN108006612A (en) * 2017-12-11 2018-05-08 山西省工业设备安装集团有限公司 A kind of energy-saving and environment-friendly residual heat using device
CN207694524U (en) * 2017-12-13 2018-08-07 莆田市涵江区依吨多层电路有限公司 A kind of emission-control equipment

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879163A (en) * 1972-01-26 1973-10-24
JPH11104453A (en) * 1997-10-01 1999-04-20 Sumitomo Heavy Ind Ltd Setting of ammonia injection quantity in waste gas treatment apparatus of refuse incinerator
JPH11169628A (en) * 1997-12-15 1999-06-29 Kyoei Sangyo Kk Combustion furnace exhaust gas treatment method and apparatus
CN201157730Y (en) * 2007-12-29 2008-12-03 上海复星医药(集团)股份有限公司 Dust removing apparatus
CN102416359A (en) * 2011-09-03 2012-04-18 盐城市劲风节能环保设备有限公司 Magnetic fluid dust removal equipment, method for removing dust in air by using same and application
CN202683345U (en) * 2012-05-21 2013-01-23 上海磁博机械制造有限公司 Magnetic dust removing device
CN103071585A (en) * 2012-05-24 2013-05-01 上海磁博机械制造有限公司 Magnetic dust removing apparatus and dust removing method
CN203591663U (en) * 2013-10-21 2014-05-14 山东沃丰格瑞管业有限公司 Three-stage dusting device for pipe preservative treatment
CN204973501U (en) * 2015-05-02 2016-01-20 中能世华(北京)节能科技有限公司 Stable desulfurization dust pelletizing system of environmental protection
CN204816872U (en) * 2015-07-07 2015-12-02 南安市兴南机械配件有限公司 High -efficient electromagnetism deironing dust collector
CN206027924U (en) * 2016-08-27 2017-03-22 天津一阳磁性材料有限责任公司 Powder deironing dust collector
CN206715679U (en) * 2017-04-05 2017-12-08 郑州嘉晨化工科技有限公司 A kind of environment-friendly type industrial waste gas treatment device
CN107224826A (en) * 2017-07-20 2017-10-03 重庆阳正环保科技股份有限公司 A kind of sulphur-containing exhaust gas processing system
CN107376559A (en) * 2017-07-27 2017-11-24 国网河南省电力公司西峡县供电公司 A kind of discarded cable high-temperature processing unit waste gas Online Processing System
CN207203768U (en) * 2017-09-05 2018-04-10 北京禹泰环保工程有限公司 A kind of smoke desulfurizing dust-remover for boiler
CN207169356U (en) * 2017-09-15 2018-04-03 安徽方信立华环保科技有限公司 A kind of waste gas Environmental-protecting dust-removing mechanical device
CN107952586A (en) * 2017-11-20 2018-04-24 林辉 A kind of highly effective air dust removal and filtration garden equipment
CN107971133A (en) * 2017-11-28 2018-05-01 江苏飞视文化发展有限公司 A kind of electromagnetic type metallic dust collection device
CN108006612A (en) * 2017-12-11 2018-05-08 山西省工业设备安装集团有限公司 A kind of energy-saving and environment-friendly residual heat using device
CN207694524U (en) * 2017-12-13 2018-08-07 莆田市涵江区依吨多层电路有限公司 A kind of emission-control equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110787575A (en) * 2019-10-30 2020-02-14 丁武轩 Smoke purification tower for recycling dust of sintering machine head of steel plant
CN113375178A (en) * 2021-04-29 2021-09-10 胡建平 Boiler flue gas treatment and waste heat recovery device

Also Published As

Publication number Publication date
CN109200786B (en) 2021-03-23

Similar Documents

Publication Publication Date Title
CN109200785A (en) The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering
CN103480223B (en) Wet-type fume purification system and purification method for high smoke speed PM2.5 and pollutant
CN206566727U (en) Waste gas cleaning system for injection machine
CN202170805U (en) Portable automatic cleaning drying type dust collecting ventilating device for tunnel construction
CN111395804A (en) Movable assembled epidemic prevention intelligent detection channel
CN104606996B (en) Adsorption filtration and atomizing purification device suitable for industrial exhaust gas treatment
CN109200786A (en) The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace
CN209049172U (en) A kind of industrial waste gas processing system
CN205627503U (en) Light catalytic oxidation dust removal deodorizing device
CN105289178A (en) Exhaust purification treatment device for environment-friendly printing and dyeing setting machine
CN206809975U (en) Air cleaner
CN209076340U (en) A kind of wet type three-stage dust catcher
CN110090519A (en) A kind of flue gas end dehydration refined dedusting device based on phase transformation
CN206381749U (en) A kind of multi-point dust separation system of coke production line
CN110094804A (en) Air conditioner
CN206130702U (en) Self -cleaning floor -lamp
CN206064064U (en) A kind of air cleaner and its medical air cleaning system
CN214914458U (en) Tail gas absorption and purification device of closed calcium carbide furnace
CN211302495U (en) Chemical industry is with waste gas desulfurization tower of environmental protection
CN209060806U (en) A kind of efficient degreasing cigarette equipment
CN209246287U (en) Natural electro-catalysis liquid spray clean air manufacturing device
CN107782114A (en) A kind of valve drying machine of tail gas clean-up
CN202237677U (en) Scouring pad glue-spraying waste gas treatment device
CN208389773U (en) A kind of condensing type heating stove wet-desulfurizing dust remover
CN208450171U (en) A kind of spraying waste gas recovery utilizes system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 231524 shitouzhen Industrial Park, Lujiang County, Hefei City, Anhui Province

Patentee after: Anhui Wanci Electronics Co.,Ltd.

Address before: 231524 shitouzhen Industrial Park, Lujiang County, Hefei City, Anhui Province

Patentee before: ANHUI ONE MAGNET ELECTRONIC Co.,Ltd.

CP01 Change in the name or title of a patent holder