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 PDFInfo
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- 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
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
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- 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
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.
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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 |
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CN113375178A (en) * | 2021-04-29 | 2021-09-10 | 胡建平 | Boiler flue gas treatment and waste heat recovery device |
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