CN208865434U - A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system - Google Patents
A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system Download PDFInfo
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- CN208865434U CN208865434U CN201821256806.7U CN201821256806U CN208865434U CN 208865434 U CN208865434 U CN 208865434U CN 201821256806 U CN201821256806 U CN 201821256806U CN 208865434 U CN208865434 U CN 208865434U
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- China
- Prior art keywords
- heavy metal
- desulfurizing tower
- treating column
- metal treating
- flue
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract 8
- 238000003723 Smelting Methods 0.000 title claims abstract 8
- 239000003546 flue gas Substances 0.000 title claims abstract 8
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract 6
- 230000023556 desulfurization Effects 0.000 title claims abstract 6
- 230000015572 biosynthetic process Effects 0.000 title claims abstract 5
- 238000003786 synthesis reaction Methods 0.000 title claims abstract 5
- 230000003009 desulfurizing effect Effects 0.000 claims abstract 17
- 238000006243 chemical reaction Methods 0.000 claims abstract 2
- 239000012530 fluid Substances 0.000 claims 4
- 239000007789 gas Substances 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000000034 method Methods 0.000 abstract 4
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing systems, including heavy metal treating column I, heavy metal treating column II, desulfurizing tower I, the desulfurizing tower II handled for flue gas during smelting；Reaction tower body takes series system, and multi-stage column is handled, and realizes the classification of acid system removing heavy metals (preposition)+alkali desulphurization (postposition), classification process for comprehensively treating, the synchronization process of desulfurization and heavy metal.Desulfurization is realized in flue gas during smelting treatment process, and realizes the integrated synthesis Treatment process scheme of removing heavy metals.
Description
Technical field
The utility model belongs to flue gas during smelting processing technology field, and in particular to a kind of flue gas during smelting desulfurization removing heavy metals one
Body comprehensive treatment system.
Background technique
As China's environmental improvement is increasingly stringenter, standardizes, the importance that the pollutant in control production is is particularly important,
The standard use of various production emissions is also higher and higher.In the non-ferrous metal metallurgies production process such as copper, zinc, germanium, raw material preparation
In each operation of pyrometallurgical smelting, due to the burning of fuel, air-flow to the volatilization of metal under the rolling action of material and high temperature and
The physics chemical actions such as oxidation, are inevitably generated a large amount of flue gases and flue dust.
Contain SO in flue gas during smelting and flue dust2、SO3, CO and CO2Gaseous pollutants are waited, then contain heavy metal such as arsenic in flue dust
Deng being directly discharged in atmosphere not only to cause seriously to pollute to environment and the waste of resource if unprocessed.Smelt cigarette
Gas disposal mode is usually dry method process or wet process, and wet process is that flue gas and flue dust are passed through reaction kettle or reaction tower
It is interior, it comes into full contact with flue gas and flue dust with treatment fluid, grit, chemical substance, metal is washed and made the side of gas purification
Method.
Existing desulphurization plant is mostly single desulfurizing tower or processing kettle, and carrying out parallel connection by single-stage desulphurization plant when processing makes
With setting spray head high pressure forces spray in desulfurizing tower or processing kettle, and treatment fluid is existed by the way of soda acid circulation
High-pressure nozzle easily blocks, and soda acid circular treatment effect is undesirable, and treated, and flue gas is unstable, needs multiple desulfurizing towers or processing
Kettle is used in parallel, and occupation area of equipment is big, and early investment and later maintenance cost are high, can only handle the sulfide in flue gas, nothing
Ruling by law reason recycling heavy metal, i.e., exert a certain influence to environment, and waste resource.
It urgently invents that a kind of structure is simple, ideal treatment effect, desulfurization is realized in flue gas during smelting treatment process, and real
Show the integrated synthesis Treatment process scheme of removing heavy metals to solve above-mentioned technical problem.
Summary of the invention
The utility model provides a kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system.
Specific technical solution is:
A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system, including the huge sum of money handled for flue gas during smelting
Belong to treating column I, heavy metal treating column II, desulfurizing tower I, desulfurizing tower II.
I bottom of heavy metal treating column is provided with flue gas during smelting air inlet pipe, is set on I top of heavy metal treating column
It is equipped with the first inlet, the first flue and heavy metal treating column II that the I top gas outlet of heavy metal treating column passes through arc
Top attachment is provided with the second inlet on II top of heavy metal treating column, remote in II lower part of heavy metal treating column
It is provided with the second flue on one side from heavy metal treating column I, the second flue other end couples with I lower part of desulfurizing tower.
I top of desulfurizing tower is provided with third inlet, the third that the gas outlet at I top of desulfurizing tower passes through arc
Flue and II top attachment of desulfurizing tower, are provided with the 4th inlet on II top of desulfurizing tower, II lower part of desulfurizing tower is remote
It is provided with the 4th snakelike flue on one side from desulfurizing tower I, the 4th flue other end couples with steam-water separation chamber, described
Wind pressure machine is installed on 4th flue, is provided with exhaust port at the top of the steam-water separation chamber.
First is respectively arranged in the heavy metal treating column I, heavy metal treating column II, desulfurizing tower I, II bottom of desulfurizing tower
Leakage fluid dram, the second leakage fluid dram, third leakage fluid dram, the 4th leakage fluid dram.
Reaction dish are internally provided in the heavy metal treating column I, heavy metal treating column II, desulfurizing tower I, desulfurizing tower II
Disk, the reaction disc are coupled by bracket with inner wall of tower.
It is further preferred that in the heavy metal treating column I, heavy metal treating column II, desulfurizing tower I, desulfurizing tower II
Baffle is additionally provided on wall.
The utility model has the beneficial effects that
(1) desulfurization tower body takes series system, and multi-stage column is handled, and realizes acid system removing heavy metals (preposition)+alkaline process
The synchronous integrated processing of the classification of desulfurization (postposition), classification process for comprehensively treating, desulfurization and heavy metal.
(2) device structure is compact, and occupied area is small, and more traditional lower of input cost, later maintenance is also relatively simple, real
Show the Concetrated control of flue gas during smelting, concentrate discharge.
(3) reaction tower avoids the blocking of spray head to liquid using heavy caliber open top formula, while flue gas during smelting is being handled
Fair current in system, and treatment fluid is flowed from top, soda acid treatment fluid is once contacted with flue gas during smelting by primary opposite direction in the same direction, is mentioned
High treatment effect, and the environment protection treating facility can persistently run and not block.
(4) the reaction disc inside desulfurizing tower, baffle are set, of short duration resident effect is played to treatment fluid, smelt cigarette
Gas comes into full contact with treatment fluid, increases the reaction time, improves treatment effect, and zero-emission or ultralow row may be implemented in desulfurization
It puts.
(5) ideal treatment effect, may be implemented that sulfur dioxide is ultralow or zero-emission, and heavy metal can be carried out by treatment fluid
Recycling, treated, and flue gas is stablized, and economic benefit is obvious.Lye postposition Utilizing Rate is high, desulfurization medium lime utilization rate
Up to 97-100%.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the reaction disc of the utility model, support schematic diagram；
In upper figure: 1- flue gas during smelting air inlet pipe, 2- heavy metal treating column I, 3- heavy metal treating column II, 4- desulfurizing tower I, 5-
Desulfurizing tower II, 6- wind pressure machine, 7- steam-water separation chamber, the first flue of 801-, the second flue of 802-, 803- third flue, 804-
Four flues, the first inlet of 901-, the second inlet of 902-, 903- third inlet, the 4th inlet of 904-, 1001- first
Leakage fluid dram, the second leakage fluid dram of 1002-, 1003- third leakage fluid dram, the 4th leakage fluid dram of 1004-, 11- reaction disc, 12- bracket,
13- baffle, 14- exhaust port.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution are more clearly understood, below in conjunction with attached drawing and
The utility model is further described in embodiment.It should be appreciated that specific embodiment described herein is used only for explaining
The utility model is not used to limit the utility model.
Embodiment:
As shown in Fig. 1 Fig. 2, a kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system, including for smelting
Heavy metal treating column I 2, heavy metal treating column II 3, desulfurizing tower I 4, the desulfurizing tower II 5 of fume treatment.
It is provided with level ground in I 2 bottom of heavy metal treating column into 25 degree of flue gas during smelting air inlet pipe 101, institute
Flue gas during smelting air inlet pipe 1 is stated, I 2 top of heavy metal treating column is provided with the first inlet 901, the heavy metal processing
I 2 top gas outlet of tower passes through the first flue of round tube 801 and II 3 top attachment of heavy metal treating column of arc, in the heavy metal
II 3 top for the treatment of column is provided with the second inlet 902, in II 3 lower part of heavy metal treating column far from heavy metal treating column I 2
It is provided with the second flue 802 of tubular type on one side, 802 other end of the second flue couples with I 4 lower part of desulfurizing tower.
I 4 top of desulfurizing tower is provided with third inlet 903, and the gas outlet at I 4 top of desulfurizing tower passes through arc
Round tube third flue 803 and II 5 top attachment of desulfurizing tower, II 5 top of desulfurizing tower is provided with the 4th inlet 904,
II 5 lower part of desulfurizing tower is provided with the 4th flue 804 of snakelike round tube, the 4th flue 804 far from desulfurizing tower I 4 on one side
Other end couples with steam-water separation chamber 7, is provided with exhaust port 14 at the top of the steam-water separation chamber 7.
It is respectively arranged in the heavy metal treating column I 2, heavy metal treating column II 3, desulfurizing tower I 4, II 5 bottom of desulfurizing tower
First leakage fluid dram 1001, the second leakage fluid dram 1002, third leakage fluid dram 1003, the 4th leakage fluid dram 1004 will be handled by leakage fluid dram
Also it is recycled to processing equipment, carries out the recycling of heavy metal, the adjustment for the treatment of fluid recycles.
It is further preferred that it is described in the heavy metal treating column I 2, it is heavy metal treating column II 3, desulfurizing tower I 4, de-
Sulphur tower II 5 is internally provided with reaction disc 11, and the reaction disc 11 is coupled by bracket 12 with inner wall of tower.
It is further preferred that in the heavy metal treating column I 2, heavy metal treating column II 3, desulfurizing tower I 4, desulfurizing tower II
Baffle 13 is additionally provided with inside 5.
Realize the classification of acid system removing heavy metals (preposition)+alkali desulphurization (postposition), classification process for comprehensively treating, desulfurization and
The synchronous integrated of heavy metal is handled.The heavy metal in flue dust, particulate matter in flue gas during smelting substantially belongs to metal oxide, gold
Belong to oxide and is dissolved in the characteristic that acid is metal oxidation；Lime-gypsum desulfurization technology, primary product belongs to calcium sulfite, and (accounting is big
In 98%), calcium sulfite has higher suction-operated to heavy metal.
When processing: under the operation of booster fan, flue gas during smelting enters in reaction tower flue gas during smelting, and flue gas during smelting is via weight
I 2 bottoms of metal treating column → I 2 tops of heavy metal treating column → II 3 tops of heavy metal treating column → II 3 bottoms of heavy metal treating column → desulfurization
I 4 bottoms of tower → I 4 tops of desulfurizing tower → II 5 tops of desulfurizing tower → II 5 bottoms of desulfurizing tower → 6 → steam-water separation chamber of wind pressure machine, 7 → exhaust emissions
Mouth 14 is emitted into atmosphere.By the first inlet 901, the second inlet 902 to heavy metal treating column I 2, heavy metal treating column
It is passed through acidic treatment liquid in II 3, carrying out washing treatment is carried out to flue dust, the heavy metal in flue gas during smelting, treated, and flue gas during smelting connects
Enter desulfurizing tower I, in desulfurizing tower II, be passed through alkaline processing liquid from third inlet 903, the 4th inlet 904, treated
Gas is discharged into atmosphere after steam-water separation after acid-base neutralization, and soda acid treatment fluid is respectively with flue gas during smelting by primary right
To primary contact in the same direction, treatment effect is improved, sulfur dioxide is ultralow or zero in gas, and heavy metal can be carried out by treatment fluid
The flue gas of recycling, discharge is stablized.
The technical advantage of the utility model:
1. desulfurization+removing heavy metals Integral synchronous carries out；
2. zero-emission or minimum discharge are realized in desulfurization；
It is not blocked 3. the environment protection treating facility can persistently be run；
4. lye Utilizing Rate is high, desulfurization medium lime utilization rate is up to 97-100%, and the past only arrives 70-80%.
The utility model is described in detail above by specific and preferred embodiment, but those skilled in the art answer
This understands that the utility model is not limited to embodiment described above, within the spirit and principle of the utility model, is made
Any modification, equivalent replacement etc., should be included within the scope of protection of this utility model.
Claims (2)
1. a kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system, including the heavy metal handled for flue gas during smelting
Treating column I (2), heavy metal treating column II (3), desulfurizing tower I (4), desulfurizing tower II (5), it is characterised in that:
Heavy metal treating column I (2) bottom is provided with flue gas during smelting air inlet pipe (1), in the heavy metal treating column I (2)
Top is provided with the first inlet (901), and gas outlet passes through the first flue of arc at the top of the heavy metal treating column I (2)
(801) with heavy metal treating column II (3) top attachment, heavy metal treating column II (3) top is provided with the second inlet
(902), it is provided with the second flue (802) on one side far from heavy metal treating column I (2) in heavy metal treating column II (3) lower part,
Second flue (802) other end couples with desulfurizing tower I (4) lower part；
Desulfurizing tower I (4) top is provided with third inlet (903), and the gas outlet at the top of the desulfurizing tower I (4) passes through arc
The third flue (803) and desulfurizing tower II (5) top attachment of shape, are provided with the 4th inlet on desulfurizing tower II (5) top
(904), desulfurizing tower II (5) lower part is provided with the 4th snakelike flue (804) far from desulfurizing tower I (4) on one side, and the described 4th
Flue (804) other end couples with steam-water separation chamber (7), is equipped with wind pressure machine (6) on the 4th flue (804),
Exhaust port (14) are provided at the top of the steam-water separation chamber (7)；
It is set respectively in the heavy metal treating column I (2), heavy metal treating column II (3), desulfurizing tower I (4), desulfurizing tower II (5) bottom
It is equipped with the first leakage fluid dram (1001), the second leakage fluid dram (1002), third leakage fluid dram (1003), the 4th leakage fluid dram (1004);
It is internally provided in the heavy metal treating column I (2), heavy metal treating column II (3), desulfurizing tower I (4), desulfurizing tower II (5)
It reacts disc (11), the reaction disc (11) is coupled by bracket (12) with inner wall of tower.
2. a kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system according to claim 1, feature exist
In: it also sets on the heavy metal treating column I (2), heavy metal treating column II (3), desulfurizing tower I (4), desulfurizing tower II (5) inner wall
It is equipped with baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256806.7U CN208865434U (en) | 2018-08-06 | 2018-08-06 | A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256806.7U CN208865434U (en) | 2018-08-06 | 2018-08-06 | A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system |
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| Publication Number | Publication Date |
|---|---|
| CN208865434U true CN208865434U (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821256806.7U Expired - Fee Related CN208865434U (en) | 2018-08-06 | 2018-08-06 | A kind of flue gas during smelting desulfurization removing heavy metals integrated synthesis governing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871187A (en) * | 2020-08-13 | 2020-11-03 | 迪尔集团有限公司 | Desulfurizing tower system and desulfurizing method |
| CN113069901A (en) * | 2021-04-15 | 2021-07-06 | 江苏乾宏能源科技有限公司 | Desulfurizing tower for semidry flue gas purification of circulating fluidized bed and purification method |
-
2018
- 2018-08-06 CN CN201821256806.7U patent/CN208865434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871187A (en) * | 2020-08-13 | 2020-11-03 | 迪尔集团有限公司 | Desulfurizing tower system and desulfurizing method |
| CN113069901A (en) * | 2021-04-15 | 2021-07-06 | 江苏乾宏能源科技有限公司 | Desulfurizing tower for semidry flue gas purification of circulating fluidized bed and purification method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |