CN209612442U - The flue gas ash removal and without sewage discharge formula desulphurization system of production are smelted for lead - Google Patents
The flue gas ash removal and without sewage discharge formula desulphurization system of production are smelted for lead Download PDFInfo
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- CN209612442U CN209612442U CN201920149474.0U CN201920149474U CN209612442U CN 209612442 U CN209612442 U CN 209612442U CN 201920149474 U CN201920149474 U CN 201920149474U CN 209612442 U CN209612442 U CN 209612442U
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Abstract
A kind of flue gas ash removal and without sewage discharge formula desulphurization system for smelting production for lead, including fuming furnace surface air cooler, fuming furnace bagroom, fuming furnace air-introduced machine, reduction furnace surface air cooler, reduction furnace bagroom, reduction furnace air-introduced machine, fuming furnace scrapper conveyor, surface air cooler scrapper conveyor, bagroom scrapper conveyor, reduction furnace scrapper conveyor, reduction furnace surface air cooler scrapper conveyor, reduction furnace bagroom scrapper conveyor, secondary air fan, desulfurizing tower, tail gas funnel, liquid pool, raw water water tank and filter press, filter press is set to the top of liquid pool by bracket, the serum outlet of desulfurization tower bottom is connected by the injection point of pipeline and reflux pump and filter press, the serum outlet of filter press is connected by the first entrance of pipeline and liquid pool, the outlet of liquid pool passes through pipeline, the connection of the sprinkling equipment of 4th valve and two sections of spray pumps and desulfurizing tower.It is at low cost, can cigarette ash effectively in recovered flue gas and minute metallic particle, production process non-wastewater discharge it is more environmentally-friendly.
Description
Technical field
The utility model relates to lead to smelt production equipment technology, and in particular to a kind of flue gas that production is smelted for lead
Dedusting and without sewage discharge formula desulphurization system.
Background technique
In lead smelt production, reduction furnace, fuming furnace output flue gas in particulate matter and content of sulfur dioxide it is general
All over higher, it is necessary to after treatment, by flue gas particulate matter and content of sulfur dioxide reduce, meet National Environmental Protection Agency's requirement
Afterwards, it could discharge.
However, in the prior art for handling the relevant device of the flue gas of reduction furnace, fuming furnace output, although tail gas can be made
Reach environmental protection standard, but often generate a large amount of waste water in its course of work, waste water can not direct emission, will also be by complicated
For process again by wastewater treatment to discharge standard, complex process is at high cost.Meanwhile containing in lead reduction furnace for smelting, fuming kiln gas
Some cigarette ash and minute metallic particle are such as mixed into waste water, keep waste water less easy to handle, and these cigarette ashes and minute metallic particle
It is unable to get recycling, utilizes, also result in waste.
Therefore, a kind of flue gas ash removal and without sewage discharge formula desulfurization system that production is smelted for lead is needed in the prior art
System, it is at low cost, and system structure is simple, it is easier to implements, the cigarette ash and minute metallic particle that can effectively contain in recovered flue gas,
And non-wastewater discharge in production process, it is more environmentally-friendly.
Summary of the invention
The purpose of this utility model is to overcome the shortcomings of the prior art, provides and a kind of smelt production for lead
Flue gas ash removal and without sewage discharge formula desulphurization system, it is at low cost, and system structure is simple, it is easier to implement, can effectively recycle cigarette
The cigarette ash and minute metallic particle contained in gas, and non-wastewater discharge in production process, it is more environmentally-friendly.
The utility model is achieved through the following technical solutions: a kind of for the flue gas ash removal of lead smelting production and without dirt
Water emission type desulphurization system, fuming furnace surface air cooler including the exhanst gas outlet connection by pipeline and fuming furnace, by pipeline with
The fuming furnace bagroom of the exhanst gas outlet connection of fuming furnace surface air cooler passes through the flue gas of pipeline and fuming furnace bagroom
The fuming furnace air-introduced machine for exporting connection, passes through pipeline at the reduction furnace surface air cooler connected by the exhanst gas outlet of pipeline and reduction furnace
The reduction furnace bagroom that is connect with the exhanst gas outlet of reduction furnace surface air cooler, by the cigarette of pipeline and reduction furnace bagroom
The reduction furnace air-introduced machine of gas outlet connection, the flue dust exit of the fuming furnace lower end is provided with fuming furnace scrapper conveyor, the cigarette
The flue dust exit for changing furnace surface air cooler lower end is provided with surface air cooler scrapper conveyor, and the flue dust of fuming furnace bagroom lower end goes out
It is provided with bagroom scrapper conveyor at mouthful, further includes the first belt mechanism, the end of the fuming furnace scrapper conveyor, the table
The end of cooler scrapper conveyor, the bagroom scrapper conveyor end extend to first belt mechanism, the reduction
The flue dust exit of furnace lower end is provided with reduction furnace scrapper conveyor, and the flue dust exit of reduction furnace surface air cooler lower end is provided with also
Former furnace surface air cooler scrapper conveyor, the flue dust exit of reduction furnace bagroom lower end are provided with reduction furnace bagroom and scrape
Trigger further includes the second belt mechanism, and the end of the reduction furnace surface air cooler scrapper conveyor, the reduction furnace bagroom are scraped
Trigger extends to second belt mechanism；Further include secondary air fan, desulfurizing tower, tail gas funnel, liquid pool, raw water water tank and
Filter press, the outlet of the fuming furnace air-introduced machine, the outlet of the reduction furnace air-introduced machine pass through pipeline and the secondary air fan
Air inlet connection, the lower part of the desulfurizing tower are provided with gas inlet, the air outlet of the secondary air fan by pipeline with it is described
The gas inlet of desulfurizing tower connects, and the tail gas funnel is connected at the offgas outlet at the top of the desulfurizing tower, the filter press
The top of the liquid pool is set to by bracket, the bottom of the desulfurizing tower is provided with serum outlet, the slurry of the desulfurizing tower
Liquid outlet is connect by pipeline and reflux pump with the injection point of the filter press, and the gypsum tailings exit lower end of the filter press is set
It is equipped with gypsum tailings chute, the serum outlet of the filter press is connect by pipeline with the first entrance of the liquid pool, the original
The lower end outlet of water tank is connect by pipeline and feed pump with the second entrance of the liquid pool, and the liquid pool is additionally provided with
The outlet of ingredients mouth, the liquid pool is connected by the sprinkling equipment of pipeline, the 4th valve and two sections of spray pumps and the desulfurizing tower
It connects.
Two sections of sprinkling equipments, the desulfurizing tower are provided with above the gas inlet of the desulfurizing tower in the desulfurizing tower
Interior that one section of sprinkling equipment is provided with above two sections of sprinkling equipments, the outlet of the liquid pool passes through pipeline, the 4th valve
Door and two sections of spray pumps are connect with two sections of sprinkling equipments, further include one section of slurry tank, the liquid outlet of one section of slurry tank
It is connect by pipeline, one section of spray pump and the second valve with one section of sprinkling equipment, the outlet of two sections of spray pumps passes through
Pipeline and the first valve are connect with the top inlet of one section of slurry tank, and the outlet of one section of spray pump passes through pipeline and the
Three valves are connect with the failure injection point of the desulfurizing tower.
The tail gas funnel is located at the top of one section of slurry tank, and the tail gas funnel is provided with condensation-water drain, should
Condensation-water drain is connect by pipeline with one section of slurry tank.
Blender is provided in the liquid pool.
The beneficial effects of the utility model are: the utility model is for a kind of flue gas ash removal for lead smelting production and without dirt
Water emission type desulphurization system, it is at low cost, and system structure is simple, it is easier to implement, the cigarette ash that can effectively contain in recovered flue gas
And minute metallic particle, and non-wastewater discharge in production process, it is more environmentally-friendly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- fuming furnace；2- fuming furnace surface air cooler；3- fuming furnace bagroom；4- fuming furnace scrapper conveyor；5- table
Cooler scrapper conveyor；6- bagroom scrapper conveyor；7- fuming furnace air-introduced machine；8- reduction furnace；9- reduction furnace surface air cooler；10- reduction
Furnace bagroom；11- reduction furnace scrapper conveyor；12- reduction furnace surface air cooler scrapper conveyor；13- reduction furnace bagroom scrapper conveyor；
14- reduction furnace air-introduced machine；15- secondary air fan；16- desulfurizing tower；17- tail gas funnel；Mono- section of sprinkling equipment of 18-；Bis- sections of 19- sprays
Equipment；Mono- section of slurry tank of 20-；Mono- section of spray pump of 21-；Bis- sections of spray pumps of 22-；23- reflux pump；24- liquid pool；25- blender；
26- feed pump；27- raw water water tank；28- filter press；29- gypsum tailings chute；The first valve of 30-；The second valve of 31-；32- third
Valve；The 4th valve of 33-.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of flue gas ash removal and without sewage discharge formula desulphurization system that production is smelted for lead, including pass through
Fuming furnace surface air cooler 2 that pipeline is connect with the exhanst gas outlet of fuming furnace 1, by the exhanst gas outlet of pipeline and fuming furnace surface air cooler 2
The fuming furnace bagroom 3 of connection, the fuming furnace air inducing being connect by pipeline with the exhanst gas outlet of fuming furnace bagroom 3
Machine 7, passes through pipeline and reduction furnace surface air cooler 9 at the reduction furnace surface air cooler 9 being connect with the exhanst gas outlet of reduction furnace 8 by pipeline
The reduction furnace bagroom 10 of exhanst gas outlet connection is connect with the exhanst gas outlet of reduction furnace bagroom 10 by pipeline
Reduction furnace air-introduced machine 14, the flue dust exit of 1 lower end of fuming furnace are provided with fuming furnace scrapper conveyor 4,2 lower end of fuming furnace surface air cooler
Flue dust exit is provided with surface air cooler scrapper conveyor 5, and the flue dust exit of 3 lower end of fuming furnace bagroom is provided with bag collection
Device scrapper conveyor 6, further includes the first belt mechanism, and the end of fuming furnace scrapper conveyor 4, the end of surface air cooler scrapper conveyor 5, cloth bag are received
The end of dirt device scrapper conveyor 6 extends to the first belt mechanism, and the flue dust exit of 8 lower end of reduction furnace is provided with reduction furnace scraper plate
Machine 11, the flue dust exit of 9 lower end of reduction furnace surface air cooler are provided with reduction furnace surface air cooler scrapper conveyor 12, reduction furnace bagroom
The flue dust exit of 10 lower ends is provided with reduction furnace bagroom scrapper conveyor 13, further includes the second belt mechanism, reduction furnace
The end of surface air cooler scrapper conveyor 12, reduction furnace bagroom scrapper conveyor 13 extend to the second belt mechanism；It further include secondary
Blower 15, desulfurizing tower 16, tail gas funnel 17, liquid pool 24, raw water water tank 27 and filter press 28, the outlet of fuming furnace air-introduced machine 7,
The outlet of reduction furnace air-introduced machine 14 is connect by pipeline with the air inlet of secondary air fan 15, and the lower part of desulfurizing tower 16 is provided with flue gas
The air outlet of import, secondary air fan 15 is connect by pipeline with the gas inlet of desulfurizing tower 16, and tail gas funnel 17 is connected to desulfurization
At the offgas outlet at 16 top of tower, filter press 28 is set to the top of liquid pool 24, the bottom setting of desulfurizing tower 16 by bracket
There is serum outlet, the serum outlet of desulfurizing tower 16 is connect by pipeline and reflux pump 23 with the injection point of filter press 28, filters pressing
The gypsum tailings exit lower end of machine 28 is provided with gypsum tailings chute 29, and the serum outlet of filter press 28 passes through pipeline and liquid pool 24
The lower end outlet of first entrance connection, raw water water tank 27 is connect by pipeline and feed pump 26 with the second entrance of liquid pool 24,
Liquid pool 24 is additionally provided with ingredients mouth, and the outlet of liquid pool 24 passes through pipeline, the 4th valve 33 and two sections of spray pumps 22 and desulfurization
The sprinkling equipment of tower 16 connects.
Referring to Fig. 1, two sections of sprinkling equipments 19, desulfurization are provided with above the gas inlet of desulfurizing tower 16 in desulfurizing tower 16
The top of two sections of sprinkling equipments 19 is provided with one section of sprinkling equipment 18 in tower 16, the outlet of liquid pool 24 passes through pipeline, the 4th
Valve 33 and two sections of spray pumps 22 are connect with two sections of sprinkling equipments 19, further include one section of slurry tank 20, and one section of slurry tank 20 goes out
Liquid mouth is connect by pipeline, one section of spray pump 21 and the second valve 31 with one section of sprinkling equipment 18, the outlet of two sections of spray pumps 22
Connect by pipeline and the first valve 30 with the top inlet of one section of slurry tank 20, the outlet of one section of spray pump 21 by pipeline and
Third valve 32 is connect with the failure injection point of desulfurizing tower 16.Tail gas funnel 17 is located at the top of one section of slurry tank 20, tail gas
Chimney 17 is provided with condensation-water drain, which is connect by pipeline with one section of slurry tank 20.Setting in liquid pool 24
There is blender 25.
When production, the high-temperature flue gas of 8 output of reduction furnace is received after the cooling of reduction furnace surface air cooler 9 into reduction furnace cloth bag
In dirt device 10, sent again by reduction furnace air-introduced machine 14 to secondary air fan 15, reduction furnace 8, reduction furnace surface air cooler 9, reduction furnace cloth later
The cigarette ash of output passes through reduction furnace scrapper conveyor 11, reduction furnace surface air cooler scrapper conveyor 12, reduction furnace cloth bag respectively in bag collector 10
After dust-precipitator scrapper conveyor 13 collects, returns to raw material cabin and carry out ingredient.
The high-temperature flue gas of 1 output of fuming furnace is after the cooling of fuming furnace surface air cooler 2, into fuming furnace bagroom 3,
It is sent again by fuming furnace air-introduced machine 7 to secondary air fan 15 later, fuming furnace 1, fuming furnace surface air cooler 2, fuming furnace bagroom 3 produce
Zinc oxide fumes out after fuming furnace scrapper conveyor 4, surface air cooler scrapper conveyor 5, bagroom scrapper conveyor 6 collect, are beaten respectively
Packet is outer to be sold.
Feed pump 26 extracts the raw water in raw water water tank 27 to liquid pool 24, and pulverized limestone progress slurries are added from ingredients mouth and match
System, matched slurries are stirred evenly sent slurries to two sections of sprinkling equipments 19 respectively using two sections of spray pumps 22 using blender 25
With one section of slurry tank 20, the slurries in one section of slurry tank 20 pass through one section of spray pump, 21 to one section of sprinkling equipment 18；
Flue gas is sent in desulfurizing tower 16 by secondary air fan 15, is sprayed with two sections of sprinkling equipments, 19, one sections of sprinkling equipments 18
Slurry reaction after, obtain qualified tail gas, discharged by tail gas funnel 17.The condensed water that tail gas funnel 17 generates is by condensed water
Outlet and pipeline are back in one section of slurry tank 20, improve the recovery utilization rate of water.
The second valve 31 can be closed, third valve 32 is opened, opens one section of spray pump 21, slurries are directly got into desulfurizing tower
In 16, so as to plant maintenance and maintenance.When one section of slurry tank 20 needs to install slurries additional again, the 4th valve 33 is closed, is opened
The first valve 30 is opened, is got to the slurries in liquid pool 24 in one section of slurry tank 20 by two sections of spray pumps 22.Normal spray desulfurization
When, third valve 32 is closed, the first valve 30, the second valve 31 and the 4th valve 33 are opened.
The slurries of 16 bottom of desulfurizing tower are delivered in filter press 28 by reflux pump 23, are passed through by the gypsum tailings that filters pressing obtains
The output of gypsum tailings chute 29 is crossed, is transported by haulage vehicle.The water that filters pressing obtains passes through self gravity natural back flow to liquid pool 24
It inside carries out with liquid.
Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this
The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or
Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (4)
1. a kind of flue gas ash removal and without sewage discharge formula desulphurization system for smelting production for lead, it is characterised in that: described to be used for
Lead smelts the flue gas ash removal of production and without sewage discharge formula desulphurization system includes being connected by the exhanst gas outlet of pipeline and fuming furnace
Fuming furnace surface air cooler, connect by pipeline with the exhanst gas outlet of fuming furnace surface air cooler fuming furnace bagroom, pass through pipe
Fuming furnace air-introduced machine that road is connect with the exhanst gas outlet of fuming furnace bagroom passes through the exhanst gas outlet of pipeline and reduction furnace and connects
The reduction furnace surface air cooler that connects, passes through the reduction furnace bagroom being connect by pipeline with the exhanst gas outlet of reduction furnace surface air cooler
The reduction furnace air-introduced machine that pipeline is connect with the exhanst gas outlet of reduction furnace bagroom, the flue dust exit of the fuming furnace lower end
It is provided with fuming furnace scrapper conveyor, the flue dust exit of fuming furnace surface air cooler lower end is provided with surface air cooler scrapper conveyor, the cigarette
The flue dust exit for changing furnace bagroom lower end is provided with bagroom scrapper conveyor, further includes the first belt mechanism, institute
State the end of fuming furnace scrapper conveyor, the end of the surface air cooler scrapper conveyor, the bagroom scrapper conveyor end extend to
First belt mechanism, the flue dust exit of the reduction furnace lower end are provided with reduction furnace scrapper conveyor, the reduction furnace table
The flue dust exit of cooler lower end is provided with reduction furnace surface air cooler scrapper conveyor, and the flue dust of reduction furnace bagroom lower end goes out
It is provided with reduction furnace bagroom scrapper conveyor at mouthful, further includes the second belt mechanism, the reduction furnace surface air cooler scrapper conveyor
End, the reduction furnace bagroom scrapper conveyor extend to second belt mechanism；It further include secondary air fan, desulfurization
Tower, tail gas funnel, liquid pool, raw water water tank and filter press, the outlet of the fuming furnace air-introduced machine, the reduction furnace air-introduced machine
Outlet is connect by pipeline with the air inlet of the secondary air fan, and the lower part of the desulfurizing tower is provided with gas inlet, and described two
The air outlet of secondary blower is connect by pipeline with the gas inlet of the desulfurizing tower, and the tail gas funnel is connected to the desulfurizing tower
At the offgas outlet at top, the filter press is set to the top of the liquid pool by bracket, and the bottom of the desulfurizing tower is set
It is equipped with serum outlet, the serum outlet of the desulfurizing tower is connect by pipeline and reflux pump with the injection point of the filter press,
The gypsum tailings exit lower end of the filter press is provided with gypsum tailings chute, the serum outlet of the filter press by pipeline with it is described
The first entrance of liquid pool connects, and the lower end outlet of the raw water water tank passes through pipeline and feed pump and the second of the liquid pool
Entrance connection, the liquid pool are additionally provided with ingredients mouth, and the outlet of the liquid pool passes through pipeline, the 4th valve and two sections of sprays
Pump is connect with the sprinkling equipment of the desulfurizing tower.
2. the flue gas ash removal and without sewage discharge formula desulphurization system according to claim 1 for smelting production for lead, special
Sign is: two sections of sprinkling equipments, the desulfurizing tower are provided with above the gas inlet of the desulfurizing tower in the desulfurizing tower
Interior that one section of sprinkling equipment is provided with above two sections of sprinkling equipments, the outlet of the liquid pool passes through pipeline, the 4th valve
Door and two sections of spray pumps are connect with two sections of sprinkling equipments, further include one section of slurry tank, the liquid outlet of one section of slurry tank
It is connect by pipeline, one section of spray pump and the second valve with one section of sprinkling equipment, the outlet of two sections of spray pumps passes through
Pipeline and the first valve are connect with the top inlet of one section of slurry tank, and the outlet of one section of spray pump passes through pipeline and the
Three valves are connect with the failure injection point of the desulfurizing tower.
3. the flue gas ash removal and without sewage discharge formula desulphurization system according to claim 2 for smelting production for lead, special
Sign is: the tail gas funnel is located at the top of one section of slurry tank, and the tail gas funnel is provided with condensation-water drain, this is cold
Condensate outlet is connect by pipeline with one section of slurry tank.
4. the flue gas ash removal and without sewage discharge formula desulphurization system according to claim 1 for smelting production for lead, special
Sign is: being provided with blender in the liquid pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149474.0U CN209612442U (en) | 2019-01-29 | 2019-01-29 | The flue gas ash removal and without sewage discharge formula desulphurization system of production are smelted for lead |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149474.0U CN209612442U (en) | 2019-01-29 | 2019-01-29 | The flue gas ash removal and without sewage discharge formula desulphurization system of production are smelted for lead |
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| CN209612442U true CN209612442U (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198261A (en) * | 2021-04-29 | 2021-08-03 | 南京大吉铁塔制造有限公司 | Anti-sticking dust removal process for zinc smoke dust collector |
-
2019
- 2019-01-29 CN CN201920149474.0U patent/CN209612442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198261A (en) * | 2021-04-29 | 2021-08-03 | 南京大吉铁塔制造有限公司 | Anti-sticking dust removal process for zinc smoke dust collector |
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