CN106395762A - Water supply and circulating water systems applied to roasting of zinc for acid making - Google Patents
Water supply and circulating water systems applied to roasting of zinc for acid making Download PDFInfo
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- CN106395762A CN106395762A CN201610405801.5A CN201610405801A CN106395762A CN 106395762 A CN106395762 A CN 106395762A CN 201610405801 A CN201610405801 A CN 201610405801A CN 106395762 A CN106395762 A CN 106395762A
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- water
- antacid
- roasting
- circulation
- feedwater
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses water supply and circulating water systems applied to roasting of zinc for acid making. According to the invention, a main pipe at the outlet of an acid-making circulating water pump is connected with a pipeline leading to a roasting cold-water pool; a cold-water pump and a hot-water pump are connected via a communicating pipe; a cooling backwater pipeline of a SO2 fan motor winding is connected with an acid-making circulating water pool; circulating water systems for acid-making and roasting are combined for usage; a pipeline is mounted at the outlet of a dilute-acid plate-type heat exchanger circulating water pipeline and separately connected with a water supplementing port of a gas cooling tower and a water supplementing port of a safe water seal; an oil cooler newly installed in a SO2 fan thin-oil station is connected with a motor cooling water supply pipeline via a primary water pipeline; a communicating pipe is arranged between the circulating water pipeline and the primary water pipeline; and an oil cooler backwater pipeline is connected with a water supplementing pipeline of a dry-suction circulating tank process. Through separate reconstruction of the water supply and circulating water systems for acid-making and roasting, a purifying system, a sulfur dioxide unit and a dry suction system, the usage amount of primary water is reduced, and the purpose of conservation of capital is achieved.
Description
Technical field the present invention relates to the transformation on economy of water cousumption technical field of roasting acid making system,
Specifically related to a kind of feedwater of zinc roasting antacid, circulation.
Background technology antacid subsidiary factory genus uses water rich and influential family, will by systematic influence and production technology
Ask, require supplementation with 1200 tons about of water daily, 700 tons about of outer draining, main table
The following aspects now：(1), cooling tower wafts water loss；(2), roasting antacid water circulating pump
The moisturizing of room circulating water pool and draining；(3), the moisturizing of cleaning system technique and draining (waste acid)；
(4), dry desorption system technique adds water；(5)、SO2The motor cooling water of blower fan.In transformation
Each moisturizing point of front acid making system produces water supply network by company and carries out moisturizing, and outer draining is straight
Run in environmental protection workshop, do not recycled, cause wasting of great lot of water resources.
The content of the invention present invention provides a kind of feedwater of zinc roasting antacid, circulation, leads to
Cross to antacid roasting feedwater, circulation, the feedwater of cleaning system, circulation, two
The feedwater of sulfur oxide unit, circulation, the feedwater of dry desorption system, circulation point
Water consumption of saving Gai Zao not reached, save the purpose of fund.
The present invention is as follows for the technical scheme solving technical problem offer：
A kind of feedwater of zinc roasting antacid, circulation, including antacid roasting feedwater, circulation
Water system, the feedwater of cleaning system, circulation, the feedwater of sulfur dioxide unit, circulation
Water system, the feedwater of dry desorption system, circulation；
Described antacid roasting feedwater, the roasting antacid circulating pump room of circulation include antacid
Circulating water pool, antacid water circulating pump, water cooling pond, hot-tub, water supply pump, heat-exchanger pump, cooling
Tower, on the main pipeline of antacid water circulating pump outlet, connecting pipe is to roasting water cooling pond, described cold
Water pump and heat-exchanger pump were connected by communicating pipe, SO2The cooling backwater pipeline of blower motor winding with
Described antacid circulating water pool is connected, and installs welded tube branch and roasting in antacid water circulating pump outlet conduit
The outlet burning water circulating pump is connected, and branches to antacid in heat-exchanger pump outlet conduit installation welded tube and follows
Ring pond, the water collection device of described cooling tower is " M " type；
It is cold that the feedwater of described cleaning system, circulation include diluted acid plate type heat exchanger, gas
But tower, Safety water seal, diluted acid plate type heat exchanger circulating water pipeline outlet pipe laying respectively with
Gas colling tower filler, Safety water seal filler connect；
The feedwater of described sulfur dioxide unit, circulation include SO2Blower fan Lubricating-oil Station, SO2
Blower fan Lubricating-oil Station increases an oil cooler, is installed in series with crude cooler, the new oil installed
Cooler is passed through a waterpipe and is connected with motor cooling feedwater piping, and one time waterpipe is provided with
Valve, circulating water pipeline and a waterpipe add communicating pipe；
The feedwater of described dry desorption system, circulation include SO2Blower fan Lubricating-oil Station, SO2Wind
Machine Lubricating-oil Station increases an oil cooler, and oil cooler water return pipeline is added with dry circulating slot technique of inhaling
Waterpipe connects.
Beneficial effects of the present invention：1st, the transformation of Sulfuric Acid Circulation Pump room cooling column water receiver,
By statistical computation, after changing high-efficient water-recovering device, 130 tons about of the water loss that wafts can be reduced daily,
Whole year can reduce 45000 tons about of water loss, based on 2 yuan of middle water price lattice per ton, can save every year
About more than 90,000 yuan of fund；2nd, antacid is merged with firing cycles water system using by stopping cold water every year
Pump and 6 months meters of roasting cooling tower, every year can 18.2 ten thousand yuan of power cost saving；By roasting cooling
Tower averagely wafts 20 tons of water loss meter daily, can save 1.8 ten thousand yuan of water rate every year；Two add up to
Annual 200000 yuan of expense of saving；3rd, the transformation on economy of water cousumption of cleaning system is pressed the daily subsider that purifies and is arranged
Put waste acid and Safety water seal moisturizing adds up to 400 tons of meters, 400 tons of water can be saved daily, return
Receive and utilize 400 tons of outer drainings, add up to 132000 tons of water of saving every year, reclaim 132000
The outer draining of ton, based on 5 yuan of a water per ton at present, can save 660,000 yuan about of fund every year；
4th, the transformation on economy of water cousumption of dry desorption system saves 80 tons of water daily, adds up to and saves a water every year
26400 tons, based on 5 yuan of a water per ton at present, 13.2 ten thousand yuan of nearly fund can be saved every year,
In sum, the transformation on economy of water cousumption of roasting acid making system, 220,000 tons about of water of saving every year,
Reclaim and reduce discharging 270,000 tons about, 1,080,000 yuan of fund can be saved every year.
Brief description Fig. 1 is the feedwater of sulphuric acid pump house, circulation plane graph before transformation；
Fig. 2 is the feedwater of sulphuric acid pump house, circulation plane graph after transformation；
Fig. 3 is sulphuric acid pump house firing cycles water system plane graph before transformation；
Fig. 4 is sulphuric acid pump house antacid circulation plane graph before transformation；
Fig. 5 is sulphuric acid pump house circulation plane graph after transformation；
Fig. 6 is cleaning system feedwater, recirculated water plane graph before transformation；
Fig. 7 is transformation after-purification system feedwater, recirculated water plane graph；
Fig. 8 is sulfur dioxide unit recirculated water, feedwater piping plane before transformation
Figure；
Fig. 9 is sulfur dioxide unit recirculated water, feedwater piping plane after transformation
Figure；
Figure 10 is dry desorption system feedwater, recirculated water plane graph.
A kind of feedwater of specific embodiment zinc roasting antacid, circulation, including system
Sour roasting feedwater, circulation, the feedwater of cleaning system, circulation, sulfur dioxide
The feedwater of unit, circulation, the feedwater of dry desorption system, circulation；
The remodeling method of roasting antacid circulating pump room：Antacid circulating-pump outlet main pipeline connects
Article one, DN50mm pipeline, to roasting water cooling pond, is realized the moisturizing to roasting pond, is used valve
Control rate of water make-up；In water supply pump and heat-exchanger pump, a connecting pipe is installed, in order to adjust hot and cold pond
Liquid level, overflow after preventing hot water water full；SO2The cooling water of blower motor winding is by producing
The water that water supply network provides is cooled down, its cooling backwater pipeline and antacid circulating water pool phase
Even, realize the moisturizing to antacid circulating water pool, the moisturizing of such circulating water pool is no longer with original design
Production feedwater piping, only need after parking maintenance has cleared up pond toward pond water filling when,
Just use this pipeline.Improved sulphuric acid pump house feedwater, circulation are as shown in Figure 2.
Antacid merges use with firing cycles water system：Roasting antacid circulating pump room antacid circulates
Water system and firing cycles water system are two sets of each independent systems.Roasting antacid water circulating pump
Room antacid circulation and the remodeling method of firing cycles water system：Pump out in antacid recirculated water
Mouth Pipe installing Φ 273 × 6 welded tube branch is connected with the outlet of firing cycles water pump, installs
Φ 250 butterfly valve and effusion meter control water yield size；In heat-exchanger pump outlet conduit, Φ 273 × 6 is installed
Welded tube branches to antacid circulating water pool, makes the cooling backwater of inflow hot-tub without cooling tower, directly
Connect and pump into antacid circulating water pool, as shown in Figure 5.When outdoor temperature be less than 10 degree when so that it may
To stop water supply pump and roasting cooling tower electric machine, open and close control valve, straight by antacid water circulating pump
Connect supply roasting system cooling water, thus reaching the purpose of water-saving and electricity-saving.When ambient temperature is higher than
When 10 degree, open and close control valve, enable original system and supply water.When roasting cooling tower has an accident
When short-term is difficult to recover, enable this covering device it is ensured that firing cycles cooling water regular supply, no
Produce as impact.
The transformation of Sulfuric Acid Circulation Pump room cooling column water receiver：Originally used old-fashioned " V "
Type water collection device, water rate of wafing is too high.Remodeling method is to use " V " type water collection device by current,
It is replaced by " M " type high-efficient water-recovering device." M " heavy duty detergent assembled water collection device, material is PVC,
There is the flame-retarding characteristic of resistance to combustion self-extinguishment；Planform is frame-type, receives water effect good；Meanwhile,
This water collection device piece intensity is high, indeformable, easy to maintenance.
The moisturizing of described cleaning system, the transformation of drainage system：In the circulation of diluted acid plate type heat exchanger
Waterpipe outlet is installed a DN100mm pipeline and is connected with gas colling tower filler, simultaneously
A piece DN50mm pipeline is installed be connected with Safety water seal filler, makes gas colling tower and peace
The moisturizing of full water seal produces, by original, the outer draining that feedwater is changed to recirculated water, when cleaning system to
Waste acid is discharged in environmental protection workshop, when the reduction of gas colling tower recycle acid liquid level needs to add water, is managed with this
Road is to moisturizing in tower, so that the outer draining of antacid circulation is recycled utilization.So
400 tons about of water can be saved daily.Improved polished feedwater, circulation are as schemed
Shown in 7.
The transformation on economy of water cousumption of sulfur dioxide unit：In order to solve the higher problem of bearing bush temperature, save one
Secondary water, takes following measures：It is further added by an oil cooler, peace of connecting with oily former cooler
Dress, lubricating oil passes sequentially through two coolers and is cooled down；In order to improve cooling effect, new peace
The cooler of dress adopts a water, and water source is taken in pacifying one on motor cooling feedwater piping
DN50mm arm, uses the Valve controlling water yield, and the backwater of cooler is connected to dry suction circulating slot
Technique adds water pipeline, as the dry technique moisturizing inhaled and adjust circulation acid concentration, reaches saving once
The purpose of water；Circulating water pipeline and a waterpipe add communicating pipe, switch over control with valve,
Realize circulating water temperature compared with water supplement heat rejecter of Gao Shitong, and when one party break down disconnected
Complementation can be carried out during water.Improved recirculated water, water supply system are as shown in Figure 9.
Dry desorption system transformation on economy of water cousumption：Dry desorption system needs to add water to adjust circulation acid concentration, puts down
All 80 tons about of water water consumption once a day, dry suction adds water all the time by grid of plant area
Supply.SO after transformation2Blower fan Lubricating-oil Station increased an oil cooler, oil cooler return pipe
Road is connected with the dry technique pipeline that adds water of inhaling, and is added water as dry technique of inhaling with cooler backwater, no longer
Add water from a grid, thus having saved a water consumption.Improved dry desorption system feedwater,
Recirculated water plane graph is as shown in Figure 10.
Claims (5)
1. a kind of feedwater of zinc roasting antacid, circulation, feed water including antacid roasting,
Circulation, the feedwater of cleaning system, circulation, the feedwater of sulfur dioxide unit,
Circulation, the feedwater of dry desorption system, circulation it is characterised in that：Described antacid
Roasting feedwater, the roasting antacid circulating pump room of circulation include antacid circulating water pool, system
Sour water circulating pump, water cooling pond, hot-tub, water supply pump, heat-exchanger pump, cooling tower, follow in antacid
On the main pipeline of ring exit of pump, connecting pipe is to roasting water cooling pond, described water supply pump and heat-exchanger pump
Connected by communicating pipe, SO2The cooling backwater pipeline of blower motor winding and described antacid circulation
Pond is connected, and installs welded tube branch and firing cycles water pump in antacid water circulating pump outlet conduit
Outlet is connected, and installs welded tube in heat-exchanger pump outlet conduit and branches to antacid circulating water pool, described
The water collection device of cooling tower is " M " type；
It is cold that the feedwater of described cleaning system, circulation include diluted acid plate type heat exchanger, gas
But tower, Safety water seal, diluted acid plate type heat exchanger circulating water pipeline outlet pipe laying respectively with
Gas colling tower filler, Safety water seal filler connect；
The feedwater of described sulfur dioxide unit, circulation include SO2Blower fan Lubricating-oil Station, SO2
Blower fan Lubricating-oil Station increases an oil cooler, is installed in series with crude cooler, the new oil installed
Cooler is passed through a waterpipe and is connected with motor cooling feedwater piping, and one time waterpipe is provided with
Valve, circulating water pipeline and a waterpipe add communicating pipe；
The feedwater of described dry desorption system, circulation include SO2Blower fan Lubricating-oil Station, SO2Wind
Machine Lubricating-oil Station increases an oil cooler, and oil cooler water return pipeline is added with dry circulating slot technique of inhaling
Waterpipe connects.
2. the feedwater of a zinc roasting antacid according to claim 1, circulation,
It is characterized in that：Described antacid roasting feedwater, the roasting antacid circulating pump room of circulation
The main pipeline of antacid circulating-pump outlet on connect a DN50mm pipeline to roasting water cooling pond.
3. a kind of feedwater of zinc roasting antacid according to claim 1, circulation,
It is characterized in that：Described antacid roasting feedwater, the roasting antacid circulating pump room of circulation
The going out of antacid circulating-pump outlet Pipe installing Φ 273 × 6 welded tube branch and firing cycles water pump
Mouth is connected, and installs Φ 250 butterfly valve and effusion meter.
4. a kind of feedwater of zinc roasting antacid according to claim 1, circulation,
It is characterized in that：Described antacid roasting feedwater, the roasting antacid circulating pump room of circulation
Heat-exchanger pump outlet conduit install Φ 273 × 6 welded tube branch to antacid circulating water pool.
5. a kind of feedwater of zinc roasting antacid according to claim 1, circulation,
It is characterized in that：The feedwater of described cleaning system, the diluted acid plate type heat exchanger of circulation follow
The outlet of ring waterpipe is installed a DN100mm pipeline and is connected with gas colling tower filler, with
When install a DN50mm pipeline be connected with Safety water seal filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405801.5A CN106395762B (en) | 2016-06-08 | 2016-06-08 | The feedwater of zinc roasting relieving haperacidity, circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405801.5A CN106395762B (en) | 2016-06-08 | 2016-06-08 | The feedwater of zinc roasting relieving haperacidity, circulation |
Publications (2)
| Publication Number | Publication Date |
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| CN106395762A true CN106395762A (en) | 2017-02-15 |
| CN106395762B CN106395762B (en) | 2018-03-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928063A (en) * | 2009-06-18 | 2010-12-29 | 中国石油化工股份有限公司 | Recirculated cooling water system and purification method for recirculated cooling water |
| CN102600980A (en) * | 2012-03-19 | 2012-07-25 | 赤峰中色锌业有限公司 | Recycling method for mineral processing waste water with high leaching residue content in zinc hydrometallurgy |
| CN202449924U (en) * | 2012-01-13 | 2012-09-26 | 赤峰中色锌业有限公司 | System for recycling circulating water in acid-making process |
| CN105271549A (en) * | 2015-10-23 | 2016-01-27 | 内蒙古兰太实业股份有限公司 | System and method for comprehensive utilization of circuiting water resource of thermal power plant |
| CN205676151U (en) * | 2016-06-08 | 2016-11-09 | 赤峰中色锌业有限公司 | The feedwater of zinc roasting relieving haperacidity, circulation |
-
2016
- 2016-06-08 CN CN201610405801.5A patent/CN106395762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928063A (en) * | 2009-06-18 | 2010-12-29 | 中国石油化工股份有限公司 | Recirculated cooling water system and purification method for recirculated cooling water |
| CN202449924U (en) * | 2012-01-13 | 2012-09-26 | 赤峰中色锌业有限公司 | System for recycling circulating water in acid-making process |
| CN102600980A (en) * | 2012-03-19 | 2012-07-25 | 赤峰中色锌业有限公司 | Recycling method for mineral processing waste water with high leaching residue content in zinc hydrometallurgy |
| CN105271549A (en) * | 2015-10-23 | 2016-01-27 | 内蒙古兰太实业股份有限公司 | System and method for comprehensive utilization of circuiting water resource of thermal power plant |
| CN205676151U (en) * | 2016-06-08 | 2016-11-09 | 赤峰中色锌业有限公司 | The feedwater of zinc roasting relieving haperacidity, circulation |
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| CN106395762B (en) | 2018-03-30 |
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