CN107385221A - Lead metal dust wet method pulp retracting device and method - Google Patents
Lead metal dust wet method pulp retracting device and method Download PDFInfo
- Publication number
- CN107385221A CN107385221A CN201710740680.4A CN201710740680A CN107385221A CN 107385221 A CN107385221 A CN 107385221A CN 201710740680 A CN201710740680 A CN 201710740680A CN 107385221 A CN107385221 A CN 107385221A
- Authority
- CN
- China
- Prior art keywords
- pulp
- retort
- tank
- dust
- water
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 39
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 239000012065 filter cake Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 239000008187 granular material Substances 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims description 14
- 238000010926 purge Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000002956 ash Substances 0.000 description 14
- 238000003723 Smelting Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/04—Obtaining lead by wet processes
- C22B13/045—Recovery from waste materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to metallic dust recovery technology field, more particularly to a kind of lead metal dust wet method pulp retracting device and method, including pulp tank, Pulp pump, retort, the filter press for dust slurries to be pressed into filter cake, the lead metal dust that dedusting is collected（That is collected ash）It is delivered in pulp tank and is stirred by closed conduit, while water is added in pulp tank, the part by weight of collected ash and water is 1:0.6~1, stirring to without dust granules, slurry viscosity it is small consequently facilitating conveying, slurries are then delivered to retort, the slurries in retort continuously stir, it is sent into filter press in batches again and is pressed into filter cake, the moisture content of filter cake is less than 8%, and the present invention will be conveyed after dust pulp by wet method, and be processed into filter cake in a liquid state, carry out comprehensive reutilization, because package unit is produced under totally-enclosed state, so not producing airborne dust, prevent from polluting.
Description
Technical field
The present invention relates to metallic dust recovery technology field, reclaims and fills more particularly to a kind of lead metal dust wet method pulp
Put and method.
Background technology
Substantial amounts of dust is produced during metal smelt, a large amount of dust is produced when especially being crushed to raw material, or
It is that metal is in powdered in itself when recycling is carried out to metal, or includes technique for grinding in procedure of processing.
These dust fractions particles are larger, slowly deposit to ground after being kicked up in course of conveying by wind again, and most of particle diameter is less than 75 μ
M dust can be suspended in air for a long time, and environment is polluted and destroyed, while also causes to induce a variety of diseases.
With use of each enterprise to the dust collection technology of production link, subsequent treatment link, transit link turn into
Heavier pollution sources.Such as in secondary lead smelting production process, powder caused by various stoves is formed after treatment to gather dust
Ash, collected, transport and spice during, easily produce substantial amounts of airborne dust, people, workshop, equipment and road polluted,
Harm is very big.By taking my company as an example, a secondary lead smelting production line, 45 tons or so cigarette ashes can be collected daily, wherein largely
If improper conduct oneself well of metallic dust put, subsequently transhipment when can produce airborne dust, cause secondary pollution.
The content of the invention
It is an object of the invention to the deficiency for existing apparatus, and provide a kind of lead metal dust wet method pulp recovery dress
Put and method, it will be conveyed after dust pulp by liquid, and be processed into filter cake under slurry state, be recycled, no
Airborne dust is produced, prevents from polluting.
The technical solution adopted for the present invention to solve the technical problems is：A kind of lead metal dust wet method pulp recovery dress
Put, it includes pulp tank, Pulp pump, retort, the filter press for dust slurries to be pressed into filter cake, and the pulp tank is set
There are dust inlet, water inlet A, grout outlet A, the entrance of the Pulp pump connects with the grout outlet A, the outlet of the Pulp pump
Connected with the entrance of the retort, the grout outlet B of the retort connects with the charging aperture of the filter press, the pulp tank
Inside it is provided with for the dust put into water to be stirred into pulp to the agitating paddle without graininess.
Preferably, the discharge outlet of the filter press is connected with the water inlet A of the pulp tank by ball valve.
Preferably, purge tank is additionally provided with, the purge tank is provided with water inlet B, water outlet B, the water outlet B and institute
The entrance for stating Pulp pump is connected by ball valve, and the water inlet B is connected with the discharge outlet of the filter press by ball valve.
Preferably, the volume of the retort is 30~50m3, and the bottom of the retort is cone, the cone
Bottom is provided with sewage draining exit.
Preferably, the entrance of the Pulp pump is connected with the grout outlet A by ball valve.
Preferably, the second agitating paddle for slurries to be kept to slurry state, the reaction are provided with the retort
The second Pulp pump is provided between tank and filter press.
The present invention also provides a kind of lead metal dust wet method pulp recovery method, the lead metal dust that dedusting is collected（Receive
Dirt ash）It is delivered in pulp tank and is stirred by closed conduit, while water is added in pulp tank, the weight of collected ash and water
Ratio is 1:0.6~1, then slurries are delivered to retort to without dust granules by stirring, the slurries in retort continuously stir
Mix, then be sent into filter press in batches and be pressed into filter cake, the moisture content of filter cake is less than 8%.
Preferably, the water that filter press is discharged is delivered in pulp tank and recycled.
Preferably, after pulp tank is stirred pulp to collected ash, slurries are periodically delivered to retort, in retort
The every press filtration in 4 hours of slurries once.
Preferably, in water purge tank unnecessary in filter press, during the slurries in pulp tank stop being delivered to retort,
Water in purge tank is delivered to retort, and pipeline is cleaned.
The beneficial effects of the invention are as follows：A kind of lead metal dust wet method pulp retracting device and method, it include pulp tank,
Pulp pump, retort, the filter press for dust slurries to be pressed into filter cake, the lead metal dust that dedusting is collected（Collected ash）
It is delivered in pulp tank and is stirred by closed conduit, while water is added in pulp tank, the part by weight of collected ash and water
For 1:0.6~1, stirring is extremely without dust granules, slurry viscosity is small consequently facilitating then slurries are delivered to retort, instead by conveying
Answer the slurries in tank to continuously stir, then be sent into filter press in batches and be pressed into filter cake, the moisture content of filter cake is of the invention by powder less than 8%
Conveyed after dirt pulp by wet method, and be processed into filter cake in a liquid state, carry out comprehensive reutilization, because the whole series fill
Putting is produced under totally-enclosed state, so not producing airborne dust, prevents from polluting.
Brief description of the drawings
Fig. 1 is the structural representation of the lead metal dust wet method pulp retracting device of the present invention.
Description of reference numerals：
1 --- pulp tank 11 --- dust inlet
12 --- water inlet A 13 --- grout outlet A
14 --- agitating paddle 2 --- Pulp pumps
3 --- retort 31 --- grout outlet B
32 --- the second agitating paddle 4 --- filter presses
5 --- purge tank 51 --- water inlet Bs
52 --- water outlet B 6 --- second Pulp pumps.
Embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope limited to this.
Embodiment one.
As shown in figure 1, a kind of lead metal dust wet method pulp retracting device of the present embodiment, it includes pulp tank 1, slurry
Pump 2, retort 3, the filter press 4 for dust slurries to be pressed into filter cake, the pulp tank 1 are provided with dust inlet 11, entered
Mouth of a river A12, grout outlet A13, the entrance of the Pulp pump 2 connect with the grout outlet A13, the outlet of the Pulp pump 2 and institute
The entrance connection of retort 3 is stated, the grout outlet B31 of the retort 3 connects with the charging aperture of the filter press 4, the pulp
It is provided with tank 1 for the dust put into water to be stirred into pulp to the agitating paddle 14 without graininess.
The present embodiment by lead smelt caused by collected ash, be sent into situ by screw mechanism in pulp tank 1, add recirculated water to enter
Row pulp, stir to without particle, viscosity very little, reaching transport condition substantially, passed through with Pulp pump 2 in pipeline retort 3.
When running up to a certain amount of in retort 3（Most preferably more than 20 cubes, and no more than the 60% of volume）Pressed with filter press 4
Filter, per the press filtration of 3-5 hours once, collected ash moisture content is controlled during press filtration.Be made after filter cake and be sent to batch bin, then with it is other
Smelting furnace is entered after material mixing to be handled, and forms a closed cycle, product airborne dust, dust will not escape whole process
Spill into air.
Further, the discharge outlet of the filter press 4 is connected with the water inlet A of the pulp tank 1 by ball valve, will be pressed
Water circulation after filter uses.
Further, purge tank 5 is additionally provided with, purge tank 5 is located at the side of pulp tank 1, and the purge tank 5 is provided with into water
Mouthful B51, water outlet B 52, the water outlet B 52 are connected with the entrance of the Pulp pump 2 by ball valve, the water inlet B 51 and
The discharge outlet of the filter press 4 is connected by ball valve.With the timely Cleaning pipes of water after collected ash has conveyed.
Further, the volume of the retort 3 is 30~50m3, and the bottom of the retort 3 is conical, the circular cone
The bottom of shape is provided with sewage draining exit, is easy to open bottom progress blowdown deslagging.
Further, the entrance of the Pulp pump 2 is connected with the grout outlet A13 by ball valve.
Further, the second agitating paddle 32 for slurries to be kept to slurry state is provided with the retort 3, it is described
The second Pulp pump 6 is provided between retort 3 and filter press 4, agitating paddle 32 can prevent the dust of pulp to be precipitated to bottom, so as to
It is not easy to flow with water.
Embodiment two.
A kind of lead metal dust wet method pulp recovery method, the present embodiment are the application method of the equipment of embodiment one, will
The lead metal dust that dedusting is collected（Collected ash）It is delivered in pulp tank and is stirred by closed conduit, while in pulp tank
The part by weight of addition water, collected ash and water is 1:0.6~1, then slurries are delivered to reaction by stirring to without dust granules
Tank, the slurries in retort continuously stir, then are sent into filter press in batches and are pressed into filter cake, and the moisture content of filter cake is less than 8%.This reality
Applying example will be conveyed after dust pulp by water, and be processed into filter cake under slurry state, is recycled, is not produced airborne dust,
Prevent from polluting.
Further, the water that filter press is discharged is delivered in pulp tank and recycled, using water wisely.
Further, after pulp tank is stirred pulp to collected ash, slurries are periodically delivered to retort, retort
In the every press filtration in 4 hours of slurries once, pulp tank can work continuously, and retort and filter press can be with periodic jobs.
Further, in water purge tank unnecessary in filter press, when the slurries in pulp tank stop being delivered to the retort phase
Between, the water in purge tank is delivered to retort, and pipeline is cleaned.
The present embodiment can pass through the regulation and control to water route so that collected ash mixes in proportion with water.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
- A kind of 1. lead metal dust wet method pulp retracting device, it is characterised in that：Including pulp tank（1）, Pulp pump（2）, reaction Tank（3）, filter press for dust slurries to be pressed into filter cake（4）, the pulp tank（1）It is provided with dust inlet（11）, enter Mouth of a river A（12）, grout outlet A（13）, the Pulp pump（2）Entrance and the grout outlet A（13）Connection, the Pulp pump（2） Outlet and the retort（3）Entrance connection, the retort（3）Grout outlet B（31）With the filter press（4）Enter Material mouth connects, the pulp tank（1）Inside it is provided with for the dust put into water to be stirred into pulp to the stirring without graininess Oar（14）.
- 2. lead metal dust wet method pulp retracting device according to claim 1, it is characterised in that：The filter press（4） Discharge outlet and the pulp tank（1）Water inlet A connected by ball valve.
- 3. lead metal dust wet method pulp retracting device according to claim 2, it is characterised in that：It is additionally provided with purge tank （5）, the purge tank（5）It is provided with water inlet B（51）, water outlet B（52）, the water outlet B（52）With the Pulp pump（2） Entrance connected by ball valve, the water inlet B（51）With the filter press（4）Discharge outlet connected by ball valve.
- 4. lead metal dust wet method pulp retracting device according to claim 3, it is characterised in that：The retort（3） Volume be 30~50m3, the retort（3）Bottom for cone, the conical bottom is provided with sewage draining exit.
- 5. lead metal dust wet method pulp retracting device according to claim 1, it is characterised in that：The Pulp pump（2） Entrance and the grout outlet A（13）Connected by ball valve.
- 6. lead metal dust wet method pulp retracting device according to claim 1, it is characterised in that：The retort（3） Inside it is provided with the second agitating paddle for slurries to be kept to slurry state（32）, the retort（3）With filter press（4）Between set It is equipped with the second Pulp pump（6）.
- A kind of 7. lead metal dust wet method pulp recovery method, it is characterised in that：The lead metal dust that dedusting is collected（Gather dust Ash）It is delivered in pulp tank and is stirred by closed conduit, while water is added in pulp tank, the weight ratio of collected ash and water Example is 1:0.6~1, then slurries are delivered to retort to without dust granules by stirring, the slurries in retort continuously stir, It is sent into filter press in batches again and is pressed into filter cake, the moisture content of filter cake is less than 8%.
- 8. lead metal dust wet method pulp recovery method according to claim 7, it is characterised in that：By filter press discharge Water is delivered in pulp tank and recycled.
- 9. lead metal dust wet method pulp recovery method according to claim 7, it is characterised in that：Pulp tank is to collected ash After being stirred pulp, slurries are periodically delivered to retort, the every press filtration in 4 hours of slurries in retort is once.
- 10. lead metal dust wet method pulp recovery method according to claim 9, it is characterised in that：It is unnecessary in filter press Water purge tank in, when in pulp tank slurries stop be delivered to retort during, the water in purge tank is delivered to retort, right Pipeline is cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740680.4A CN107385221A (en) | 2017-08-25 | 2017-08-25 | Lead metal dust wet method pulp retracting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740680.4A CN107385221A (en) | 2017-08-25 | 2017-08-25 | Lead metal dust wet method pulp retracting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107385221A true CN107385221A (en) | 2017-11-24 |
Family
ID=60345260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740680.4A Pending CN107385221A (en) | 2017-08-25 | 2017-08-25 | Lead metal dust wet method pulp retracting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107385221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192680A (en) * | 2017-12-29 | 2018-06-22 | 中国神华能源股份有限公司 | Coal dust processing unit and its processing method |
| CN111690815A (en) * | 2019-03-13 | 2020-09-22 | 惠州Tcl环境科技有限公司 | Heavy metal recovery method |
| CN111995216A (en) * | 2020-09-18 | 2020-11-27 | 新余钢铁股份有限公司 | Powdery waste slag flow state conveying device and using method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154682A (en) * | 2015-09-25 | 2015-12-16 | 中国瑞林工程技术有限公司 | Smelting smoke conveying device and smelting smoke conveying method |
| CN207176038U (en) * | 2017-08-25 | 2018-04-03 | 湖北金洋冶金股份有限公司 | Lead metal dust wet method pulp retracting device |
-
2017
- 2017-08-25 CN CN201710740680.4A patent/CN107385221A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154682A (en) * | 2015-09-25 | 2015-12-16 | 中国瑞林工程技术有限公司 | Smelting smoke conveying device and smelting smoke conveying method |
| CN207176038U (en) * | 2017-08-25 | 2018-04-03 | 湖北金洋冶金股份有限公司 | Lead metal dust wet method pulp retracting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192680A (en) * | 2017-12-29 | 2018-06-22 | 中国神华能源股份有限公司 | Coal dust processing unit and its processing method |
| CN111690815A (en) * | 2019-03-13 | 2020-09-22 | 惠州Tcl环境科技有限公司 | Heavy metal recovery method |
| CN111995216A (en) * | 2020-09-18 | 2020-11-27 | 新余钢铁股份有限公司 | Powdery waste slag flow state conveying device and using method thereof |
| CN111995216B (en) * | 2020-09-18 | 2024-04-05 | 新余钢铁股份有限公司 | Powdery waste slag flow state conveying device and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |