CN106186117A - A kind of processing means containing mud acid water and processing method - Google Patents
A kind of processing means containing mud acid water and processing method Download PDFInfo
- Publication number
- CN106186117A CN106186117A CN201610738606.4A CN201610738606A CN106186117A CN 106186117 A CN106186117 A CN 106186117A CN 201610738606 A CN201610738606 A CN 201610738606A CN 106186117 A CN106186117 A CN 106186117A
- Authority
- CN
- China
- Prior art keywords
- tower
- turbulent
- slush pump
- cooling tower
- turbulent tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002253 acid Substances 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000003672 processing method Methods 0.000 title abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 230000008021 deposition Effects 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006228 supernatant Substances 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of processing means containing mud acid water and processing method, to solve existing processing means, to there is the solid content of supernatant higher, the problem easily causing acid mud deposition.This processing means includes turbulent tower, cooling tower, clear liquid groove, cooling tower slush pump, turbulent tower slush pump, filter press, turbulent tower, cooling tower connect with clear liquid groove, the port of export of cooling tower is connected with turbulent tower by cooling tower slush pump, the port of export of turbulent tower is leaded up to turbulent tower slush pump and is connected with filter press, the port of export of filter press is connected with clear liquid groove, the port of export of turbulent tower separately lead up to turbulent tower slush pump return turbulent tower.The present invention is simple to operate, small investment, and energy consumption is low, achieve cleaning procedure desilting continuously containing mud acid water, avoiding acid mud deposition in purifying each tower, the clear liquid solid content formed after filter pressing processes containing mud acid water is below 0.05g/l, is conducive to improving flue gas cool-down dust removing effects.
Description
Technical field
The invention belongs to sewage or field of sludge treatment, be specifically related to a kind of processing means containing mud acid water and process side
Method.
Background technology
Ash in metallurgical gas sulphuric acid system flue gas is constantly brought in circulation washing acid during wet scrubbing, makes
Become the solid content in recycle acid to be gradually increased, affect the washing cooling-down effect of flue gas.
Traditional first passes through sedimentation or dense process containing mud acid water treatment technology for the water containing mud acid, and supernatant is partly into
Deeply removing arsenic system, a part returns wet cleaning operation and recycles, and the water containing mud acid after settling or concentrating collects dope
Groove, more intermittently carry out filter pressing with slush pump feeding pressure filter, the filter cake that filter pressing is formed reclaims, and clear liquid returns system reuse.
Owing to the solid content of supernatant is higher, easily cause acid mud and deposit in turbulent tower, cooling tower, block in tower shower nozzle and board-like change
Hot device, affects the washing cooling dust removing effects of flue gas.
Summary of the invention
It is an object of the invention to provide a kind of processing means containing mud acid water, there is supernatant solving existing processing means
Solid content higher, easily cause acid mud deposition problem.
It is a further object to provide a kind of processing method containing mud acid water.
For achieving the above object, the present invention is by the following technical solutions: a kind of processing means containing mud acid water, it includes rapids
Rush tower, cooling tower, clear liquid groove, cooling tower slush pump, turbulent tower slush pump, filter press, turbulent tower, cooling tower and clear liquid groove
Connection, the port of export of cooling tower is connected with turbulent tower by cooling tower slush pump, and the port of export of turbulent tower leads up to turbulent tower
Slush pump is connected with filter press, and the port of export of filter press is connected with clear liquid groove, the another a-road-through of the port of export of turbulent tower
Cross turbulent tower slush pump and return turbulent tower.
As a further improvement on the present invention, to be provided with the turbulent tower that inclination angle is 15～45 ° at the bottom of the tower of turbulent tower oblique
Plate, the minimum point of turbulent tower swash plate is connected with turbulent tower slush pump.
As a further improvement on the present invention, to be provided with the cooling tower that inclination angle is 15～45 ° at the bottom of the tower of cooling tower oblique
Plate, the minimum point of cooling tower swash plate is connected with cooling tower slush pump.
The method containing mud acid water is processed, it is characterised in that it comprises the steps: by the above-mentioned processing means containing mud acid water
A, in clear liquid groove 8, cooling tower 5, turbulent tower 1 supplement new water, pressure filter 7 enters packing state；
Before B, system are passed through flue gas, first open cooling tower slush pump 4, cooling tower 5 is included mud acid water and delivers to turbulent tower swash plate 2
Peak, carries out energetic disturbance to the sour water infall process in turbulent tower；
C, it is then turned on turbulent tower slush pump 3, turbulent tower is included mud acid water and delivers to filter press 7；
The clear liquid formed after D, filter pressing is from flowing to clear liquid groove 8, by connecting with cooling tower liquid level, recycles;
E, when filter press 7 is saturated, by switch turbulent tower slush pump 3 outlet valve, turbulent tower 1 is included mud acid water
Return the peak of turbulent tower swash plate 2, it is to avoid turbulent tower inner acid mud sedimentation during filter press dump, cause long-pending
Mud.
The present invention provides a kind of metallurgical gas sulphuric acid system wet cleaning operation processing means containing mud acid water, eliminates biography
The sour water of system concentrates and degasification process, and flow process is short, simple to operate, small investment, and energy consumption is low, it is achieved that cleaning procedure is containing mud acid water
Desilt continuously, it is to avoid acid mud deposition in purifying each tower, the clear liquid solid content formed after filter pressing processes containing mud acid water is
Below 0.05g/l, efficiently solves purification each tower, a difficult problem for equipment frequent jams, is conducive to improving flue gas cool-down dust removing effects.
Accompanying drawing explanation
Fig. 1 is the apparatus and process flow chart of the present invention.
In figure, 1 turbulent tower；2 turbulent tower swash plates；3 turbulent tower slush pumps；4 cooling tower slush pumps；5 coolings
Tower；6 cooling tower swash plates；7 filter press；8 clear liquid grooves；9 cooling towers and turbulent tower communicating pipe；10 clear liquid grooves with
Cooling tower communicating pipe.
Detailed description of the invention
The present invention will be further described in detail below in conjunction with the accompanying drawings.
A kind of processing means containing mud acid water, including turbulent tower 1, cooling tower 5, clear liquid groove 8, cooling tower slush pump 4, Tuan Chong
Tower slush pump 3, filter press 7, turbulent tower 1, cooling tower 5 connect with clear liquid groove 8, and the port of export of cooling tower 5 passes through cooling tower
Slush pump 4 is connected with turbulent tower 1, and the port of export of turbulent tower 1 is leaded up to turbulent tower slush pump 3 and is connected with filter press 7, plate
The port of export of frame pressure filter 7 is connected with clear liquid groove 8, and the port of export of turbulent tower 1 is separately leaded up to turbulent tower slush pump 3 and returned rapid punching
Tower 1.
The turbulent tower swash plate 2 that inclination angle is 15～45 °, the minimum point of turbulent tower swash plate 2 it is being provided with at the bottom of the tower of turbulent tower 1
The port of export at place connects turbulent tower slush pump 3.
The cooling tower swash plate 6 that inclination angle is 15～45 °, the minimum point of cooling tower swash plate 6 it is being provided with at the bottom of the tower of cooling tower 5
The outlet at place connects cooling tower slush pump 4.
The above-mentioned processing means containing mud acid water processes the method containing mud acid water, comprises the steps:
A, in clear liquid groove 8, cooling tower 5, turbulent tower 1 supplement new water, pressure filter 7 enters packing state；
Before B, system are passed through flue gas, first open cooling tower slush pump 4, cooling tower 5 is included mud acid water and delivers to turbulent tower swash plate 2
Peak, carries out energetic disturbance to the sour water infall process in turbulent tower；
C, it is then turned on turbulent tower slush pump 3, turbulent tower is included mud acid water and delivers to filter press 7；
The clear liquid formed after D, filter pressing is from flowing to clear liquid groove 8, by connecting with cooling tower liquid level, recycles;
E, when filter press 7 is saturated, by switch turbulent tower slush pump 3 outlet valve, turbulent tower 1 is included mud acid water
Return the peak of turbulent tower swash plate 2, it is to avoid turbulent tower inner acid mud sedimentation during filter press dump, cause long-pending
Mud.
The present invention utilizes the swash plate 6 in cooling tower 5, and the sour mud in cooling tower 5 is concentrated on the minimum of cooling tower swash plate 6
Point, and with cooling tower slush pump 4, cooling tower is included mud acid water and deliver to the peak of turbulent tower swash plate 2, turbulent tower is included mud
The infall process of sour water carries out energetic disturbance, it is to avoid acid mud settles in tower.
Utilize turbulent tower swash plate 2, the sour mud in turbulent tower 1 is concentrated on the minimum point of turbulent tower swash plate 2, uses turbulent tower mud
Stock pump 3 is fed directly to filter press 7 continuously, and the clear liquid gravity flow formed after filter pressing enters clear liquid groove 8, in clear liquid groove 8
Sour water is connected with liquid level in cooling tower with cooling tower communicating pipe 10 by clear liquid groove, as circulation slurry；Acid in cooling tower 5
Water is connected with liquid level in turbulent tower with turbulent tower communicating pipe 9 by cooling tower.It is cooling that system includes the flow direction of mud acid water
Tower 5, to turbulent tower 1, to filter press 7, the flow direction of clear liquid is filter press 7, to clear liquid groove 8, to cooling tower 5,
Again to turbulent tower 1, there is not string liquid containing mud acid water and clear liquid.Solid content in clear liquid is at below 0.05g/l.
Embodiment 1:
Supplementing new water in clear liquid groove 8, cooling tower 5, turbulent tower 1 is 1.6m to three equipment liquid levels, presses lower filter press 7
" compressing " button, pressure filter enters packing state.Before system is passed through flue gas, first opening cooling tower slush pump 4, flow is 20m3/
H, includes mud acid water by cooling tower 5 and delivers to the peak of turbulent tower swash plate 2, and the sour water infall process in turbulent tower is carried out power
Disturbance；Being then turned on turbulent tower slush pump 3, flow is 30m3/ h, includes turbulent tower mud acid water and delivers to filter press, the most again
It is passed through flue gas to flue gas acid preparing wet cleaning operation.The clear liquid solid content formed after filter pressing is 0.038g/l, certainly flow to clear liquid groove,
By connecting with cooling tower liquid level, recycle.Along with filter press is the most saturated, when pressure filter inlet flow rate meter is shown as
Time " 0 ", switch turbulent tower slush pump outlet valve, turbulent tower is included mud acid water and returns turbulent tower swash plate peak, it is to avoid
During pressure filter dump, turbulent tower inner acid mud settles down, then presses lower pressure filter and " unclamp " button dump.After dump terminates, pressure
Filter resets, and is again started up the processing procedure containing mud acid water.
Embodiment 2:
Supplementing new water in clear liquid groove 8, cooling tower 5, turbulent tower 1 is 1.6m to three equipment liquid levels, presses lower filter press 7
" compressing " button, pressure filter enters packing state.Before system is passed through flue gas, first opening cooling tower slush pump 4, flow is 20m3/
H, includes mud acid water by cooling tower 5 and delivers to the peak of turbulent tower swash plate 2, and the sour water infall process in turbulent tower is carried out power
Disturbance；Being then turned on turbulent tower slush pump 3, flow is 30m3/ h, includes turbulent tower mud acid water and delivers to filter press, the most again
It is passed through flue gas to flue gas acid preparing wet cleaning operation.The clear liquid solid content formed after filter pressing is 0.038g/l, certainly flow to clear liquid groove,
By connecting with cooling tower liquid level, recycle.Along with filter press is the most saturated, when pressure filter inlet flow rate meter is shown as
Time " 0 ", switch turbulent tower slush pump outlet valve, turbulent tower is included mud acid water and returns turbulent tower swash plate peak, it is to avoid
During pressure filter dump, turbulent tower inner acid mud settles down, then presses lower pressure filter and " unclamp " button dump.After dump terminates, pressure
Filter resets, and is again started up the processing procedure containing mud acid water.
Claims (4)
1. the processing means containing mud acid water, it is characterised in that: it include turbulent tower (1), cooling tower (5), clear liquid groove (8),
Cooling tower slush pump (4), turbulent tower slush pump (3), filter press (7), turbulent tower (1), cooling tower (5) and clear liquid groove (8)
Connection, the port of export of cooling tower (5) is connected with turbulent tower (1) by cooling tower slush pump (4), the port of export one of turbulent tower (1)
Road is connected with filter press (7) by turbulent tower slush pump (3), the port of export of filter press (7) and clear liquid groove (8) phase
Even, the port of export of turbulent tower (1) is separately leaded up to turbulent tower slush pump (3) and is returned turbulent tower (1).
A kind of processing means containing mud acid water the most according to claim 1, it is characterised in that: at the bottom of the tower of turbulent tower (1)
It is provided with turbulent tower swash plate (2) that inclination angle is 15～45 °, the minimum point of turbulent tower swash plate (2) and turbulent tower slush pump (3) phase
Even.
A kind of processing means containing mud acid water the most according to claim 1 and 2, it is characterised in that: at the tower of cooling tower (5)
The end, is provided with cooling tower swash plate (6) that inclination angle is 15～45 °, the minimum point of cooling tower swash plate (6) and cooling tower slush pump (4)
It is connected.
4. process the method containing mud acid water by processing means containing mud acid water described in claim 1, it is characterised in that it include as
Lower step:
A, in clear liquid groove (8), cooling tower (5), turbulent tower (1) supplement new water, pressure filter (7) enter packing state；
Before B, system are passed through flue gas, first opening cooling tower slush pump (4), cooling tower (5) includes mud acid water, and to deliver to turbulent tower oblique
The peak of plate (2), carries out energetic disturbance to the sour water infall process in turbulent tower；
C, it is then turned on turbulent tower slush pump (3), turbulent tower is included mud acid water and delivers to filter press (7)；
The clear liquid formed after D, filter pressing is from flowing to clear liquid groove (8), by connecting with cooling tower liquid level, recycles;
E, when filter press (7) is saturated, by switching turbulent tower slush pump (3) outlet valve, turbulent tower (1) is included
Mud acid water returns the peak of turbulent tower swash plate (2), it is to avoid turbulent tower inner acid mud sedimentation during filter press dump,
Cause deposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738606.4A CN106186117B (en) | 2016-08-29 | 2016-08-29 | Treatment device and treatment method for mud-containing acid water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738606.4A CN106186117B (en) | 2016-08-29 | 2016-08-29 | Treatment device and treatment method for mud-containing acid water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106186117A true CN106186117A (en) | 2016-12-07 |
| CN106186117B CN106186117B (en) | 2023-06-02 |
Family
ID=57526878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738606.4A Active CN106186117B (en) | 2016-08-29 | 2016-08-29 | Treatment device and treatment method for mud-containing acid water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106186117B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935022A (en) * | 2017-12-08 | 2018-04-20 | 南丹县南方有色金属有限责任公司 | A kind of zinc oxide desulfurization washing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN106186117B (en) | 2023-06-02 |
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Effective date of registration: 20240205 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
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