CN110180256A - A kind of coal water sedimentation pond of automatic collection coal slime and its working method - Google Patents
A kind of coal water sedimentation pond of automatic collection coal slime and its working method Download PDFInfo
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- CN110180256A CN110180256A CN201910401371.3A CN201910401371A CN110180256A CN 110180256 A CN110180256 A CN 110180256A CN 201910401371 A CN201910401371 A CN 201910401371A CN 110180256 A CN110180256 A CN 110180256A
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- coal
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- 239000003245 coal Substances 0.000 title claims abstract description 196
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000004062 sedimentation Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000004069 wastewater sedimentation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010925 yard waste Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of automatic coal water sedimentation pond for collecting coal slime and its working methods, including coal water collecting pit and coal water sedimentation pond, coal water collecting pit is connected to by coal water delivery pump with coal water sedimentation pond, coal water sedimentation pond includes two Room of one Room of coal water sedimentation and coal water sedimentation, one Room of coal water sedimentation is connected to two Room of coal water sedimentation by filter screen, and one interior of coal water sedimentation is provided with filter pocket, two Room of coal water sedimentation is connected to three Room of coal water sedimentation, and filter weir of overflowing is provided between three Room of two Room of coal water sedimentation and coal water sedimentation, three Room of coal water sedimentation is connected to by elevator pump with coal-contained wastewater processing unit.The present invention is suitable for any coal-contained wastewater processing system, coal slime can be collected in coal water inlet, greatly reduce the content that coal slime enters coal water sedimentation pond, it may be implemented that unattended, failure rate is low, stable effluent quality, it is adapted to flow of inlet water fluctuation, the failure rate and cost of labor of coal-contained wastewater processing system can be substantially reduced.
Description
Technical field
The present invention relates to a kind of automatic coal water sedimentation pond for collecting coal slime and its working methods.
Background technique
Conventional coal-contained wastewater treatment process is as follows:
Coal yard flushing water → coal water collecting pit → coal water delivery pump → coal-contained wastewater sedimentation basin → middle water pump (supernatant) → contains
Coal wastewater treatment equipment → processing qualification clear water reuse to coal yard.
Coal slime in coal water sedimentation pond sends coal yard back to after coal slime is caught, and flow chart is as shown in Figure 1.
Coal-contained wastewater treatment process is different due to the difference of coal-contained wastewater processing unit, be broadly divided into coagulation dosing method,
Electric flocculation method, high tower method etc., such as application No. is 201610650012.8 Chinese patents, but something in common is exactly all to need
Want coal water collecting pit and coal-contained wastewater sedimentation basin.Coal-contained wastewater processing system is the highest water process system of coal-fired power plant's failure rate
System, mainly be exactly because coal-contained wastewater sedimentation basin coal slime siltation, grab bucket can not thorough cleaning, cause coal-contained wastewater processing system to be stopped
Fortune.
Because the coal water solid content in coal water collecting pit is higher, cause coal slime deposition velocity in coal water collecting pit very fast, such as
Coal mud clearing not in time, then will lead to entire coal-contained wastewater processing system and stop transport, and coal water then always from collecting pit overflow, pollutes ring
Border.
It is had the following problems using grabbing bucket mode and clearing up coal slime:
1, the generally rectangular cross-section underground type in coal water sedimentation pond, because bucket is fixed, there are dead angle, buckets to clear up for coal slime deposition.
2, when grabbing bucket cleaning coal slime, coal slime does not separate with coal water, causes coal slime moisture content high.
3, bucket high failure rate is grabbed, manual cleaning heavy workload is caused.
Summary of the invention
The purpose of the present invention is collecting the coal slime into coal water sedimentation pond automatically, the coal into coal water sedimentation pond is substantially reduced
Cement content creates superior flow condition for subsequent coal-contained wastewater processing unit, reduces coal-contained wastewater processing system failure
Rate.
Technical solution used by the present invention solves the above problems is: a kind of automatic coal water sedimentation pond for collecting coal slime,
It is characterized in, including coal water collecting pit and coal water sedimentation pond, the coal water collecting pit is connected by coal water delivery pump and coal water sedimentation pond
Logical, coal water sedimentation pond includes two Room of one Room of coal water sedimentation and coal water sedimentation, one Room of coal water sedimentation and coal water sedimentation two
Room is connected to by filter screen, and one interior of coal water sedimentation is provided with filter pocket, two Room of coal water sedimentation and three Room of coal water sedimentation
Connection, and filter weir of overflowing is provided between three Room of two Room of coal water sedimentation and coal water sedimentation, three Room of coal water sedimentation passes through elevator pump
It is connected to coal-contained wastewater processing unit.
Further, it being provided with automatic pull-out bar above the filter pocket, when for clearing up filter pocket, filter pocket being sunk from coal water
The indoor pull-out in shallow lake one.
The working method in the coal water sedimentation pond of the automatic collection coal slime, characterized in that process is as follows: it is collected from coal water
The coal water that pond is exported through coal water delivery pump is introduced into filter pocket, and the coal slime in coal water stays in filter pocket, and the water in coal water is through filtering pocket
Two Room of coal water sedimentation is entered by filter screen by one Room of coal water sedimentation, after two Room of coal water sedimentation stays for some time, in coal water
Water overflow filter weir flow to three Room of coal water sedimentation, then boosted pump is transported to coal-contained wastewater processing unit and is handled.
When cleaning filter pocket, the automatic mobile filter pocket of pull-out bar is first passed through, coal water inlet pipeline is made it away from, draws then up
It rises, the coal slime in filter pocket is cleared up.
Compared with prior art, the present invention having the following advantages that and effect:
1) filter pocket can retain collect 90% or more coal slime, directly filter pocket can be pulled out when cleaning, ensure that the concentration receipts of coal slime
Collection；
2) three coal water sedimentation rooms are devised, greatly ensure that coal water retention time, enter coal water sedimentation through overflow weir
The supernatant of three Room, ensure that stable effluent quality to greatest extent.
3) automatic pull-out bar is devised above filter pocket first to move the string bag when pocket is filtered in cleaning, make it away from coal water inlet pipe
Road, then up pull-up are convenient and efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing coal-contained wastewater treatment process device in the present invention.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention.
In figure: coal water collecting pit 1, coal water delivery pump 2, coal water sedimentation pond 3, one Room 4 of coal water sedimentation, two Room 5 of coal water sedimentation,
Three Room 6 of coal water sedimentation, filter pocket 7, overflow filter weir 8, elevator pump 9, filter screen 10.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Referring to fig. 2, the coal water sedimentation pond of the automatic collection coal slime in the present embodiment, including coal water collecting pit 1 and coal water sink
Shallow lake pond 3, coal water collecting pit 1 are connected to by coal water delivery pump 2 with coal water sedimentation pond 3, and coal water sedimentation pond 3 includes one Room of coal water sedimentation
4 and two Room 5 of coal water sedimentation, one Room 4 of coal water sedimentation and two Room 5 of coal water sedimentation are connected to by filter screen 10, and in coal water sedimentation one
Filter pocket 7 is provided in room 4, two Room 5 of coal water sedimentation is connected to three Room 6 of coal water sedimentation, and two Room 5 of coal water sedimentation and coal water sedimentation three
Filter weir 8 of overflowing is provided between room 6, three Room 6 of coal water sedimentation is connected to by elevator pump 9 with coal-contained wastewater processing unit.
The top of filter pocket 7 is provided with automatic pull-out bar, when for clearing up filter pocket 7, by filter pocket 7 out of coal water sedimentation one Room 4
It pulls out.
Working method is as follows: the coal water exported from coal water collecting pit 1 through coal water delivery pump 2, which is introduced into, filters pocket 7, in coal water
Coal slime stays in filter pocket 7, and the water in coal water enters coal water sedimentation two by filter screen 10 by one Room 4 of coal water sedimentation through filtering pocket 7
Room 5, after two Room 5 of coal water sedimentation stays for some time, the water in coal water flow to three Room 6 of coal water sedimentation through excessive filter weir 8, then through mentioning
Liter pump 9 is transported to coal-contained wastewater processing unit and is handled.
When cleaning filter pocket 7, the automatic mobile filter pocket 7 of pull-out bar is first passed through, coal water inlet pipeline is made it away from, draws then up
It rises, the coal slime in filter pocket 7 is cleared up.
In the present embodiment, the automatic coal water sedimentation pond for collecting coal slime, can be suitable for any coal-contained wastewater processing system
Coal water inlet collect coal slime, greatly reduce the content that coal slime enters coal water sedimentation pond 3, may be implemented unattended, failure rate is low,
Stable effluent quality is adapted to flow of inlet water fluctuation, can substantially reduce the failure rate of coal-contained wastewater processing system and artificial
Cost.
Embodiment 1:
Anhui power plant coal yard waste water operational process is as follows: coal yard flushing water → coal water collecting pit → coal water sedimentation pond → elevator pump
→ coal-contained wastewater processing system → waste water recycling.Because coal water collecting pit coal slime deposition velocity is fast, bucket failure is grabbed, manual cleaning is not
It is able to satisfy production requirement, causes coal-contained wastewater processing system often in stoppage in transit state, causes coal-contained wastewater overflow.
After present techniques are transformed, increase filter screen and filter pocket in original coal water sedimentation pond, filter pocket is regular weekly
Automatic cleaning, drying slime rate is up to 92%, most of coal slime reflux, runs half a year, then without coal can not be discharged because of coal water sedimentation pond
Mud and cause system shutdown scene occur.
Embodiment 2:
It is as follows that coal yard coal-contained wastewater system flow is closed in Shandong: coal yard flushing water → coal water collecting pit → coal water sedimentation pond → mentions
Rise pump → coal-contained wastewater processing system → waste water recycling.Coal slime can not clear up in coal water sedimentation pond, and coal-contained wastewater contains after elevator pump
Gu rate is high, causes to promote impeller of pump and often damage and subsequent coal-contained wastewater processing unit stopping state is serious.Coal yard water system
Can not form closed cycle, reuse after coal-contained wastewater can not be handled normally, can only overflow, pollute environment.
After the application is transformed, increase filter screen and filter pocket in original coal water sedimentation pond, filter pocket is periodically automatic weekly
Cleaning, drying slime rate are run 3 months up to 93%, promote pump discharge turbidity of wastewater 15NTU, and naked eyes are watched, without big obvious
Beans mud, coal-contained wastewater processing system normal operation.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology should belong to guarantor of the invention in made change without departing from the spirit and scope of the invention
Protect range.
Claims (4)
1. a kind of automatic coal water sedimentation pond for collecting coal slime, characterized in that including coal water collecting pit (1) and coal water sedimentation pond (3),
The coal water collecting pit (1) is connected to by coal water delivery pump (2) with coal water sedimentation pond (3), and coal water sedimentation pond (3) includes coal
One room of water sedimentation (4) and two room of coal water sedimentation (5), one room of coal water sedimentation (4) and two room of coal water sedimentation (5) pass through filter screen
(10) it is connected to, and is provided with filter pocket (7), two room of coal water sedimentation (5) and three Room of coal water sedimentation in one room of coal water sedimentation (4)
(6) it is connected to, and is provided with filter weir (8) of overflowing, the coal water sedimentation three between two room of coal water sedimentation (5) and three room of coal water sedimentation (6)
Room (6) is connected to by elevator pump (9) with coal-contained wastewater processing unit.
2. the coal water sedimentation pond of automatic collection coal slime according to claim 1, characterized in that the top of filter pocket (7)
It being provided with automatic pull-out bar, when for clearing up filter pocket (7), filter pocket (7) being pulled out from one room of coal water sedimentation (4) is interior.
3. a kind of working method in the automatic coal water sedimentation pond for collecting coal slime as claimed in claim 1 or 2, characterized in that mistake
Journey is as follows: the coal water exported from coal water collecting pit (1) through coal water delivery pump (2) is introduced into filter pocket (7), and the coal slime in coal water stays in
It filters in pocket (7), the water in coal water enters coal water sedimentation two by filter screen (10) by one room of coal water sedimentation (4) through filtering pocket (7)
Room (5), after two room of coal water sedimentation (5) stays for some time, the water in coal water flow to three Room of coal water sedimentation through excessive filter weir (8)
(6), then boosted pump (9) is transported to coal-contained wastewater processing unit and is handled.
4. the working method in the coal water sedimentation pond of automatic collection coal slime according to claim 3, characterized in that cleaning filter pocket
(7) when, automatic mobile filter pocket (7) of pull-out bar is first passed through, coal water inlet pipeline, pull-up then up, to filter pocket (7) are made it away from
Interior coal slime is cleared up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401371.3A CN110180256A (en) | 2019-05-10 | 2019-05-10 | A kind of coal water sedimentation pond of automatic collection coal slime and its working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401371.3A CN110180256A (en) | 2019-05-10 | 2019-05-10 | A kind of coal water sedimentation pond of automatic collection coal slime and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110180256A true CN110180256A (en) | 2019-08-30 |
Family
ID=67716375
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910401371.3A Pending CN110180256A (en) | 2019-05-10 | 2019-05-10 | A kind of coal water sedimentation pond of automatic collection coal slime and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973270A (en) * | 2021-01-20 | 2021-06-18 | 华电电力科学研究院有限公司 | Coal-containing wastewater treatment process for thermal power plant |
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2019
- 2019-05-10 CN CN201910401371.3A patent/CN110180256A/en active Pending
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|---|---|---|---|---|
| US20030121846A1 (en) * | 2001-12-31 | 2003-07-03 | Use Clark Joseph | Multi-stage water pollution trap |
| JP2007000737A (en) * | 2005-06-22 | 2007-01-11 | Hitachi Plant Technologies Ltd | Solid-liquid separator of combined sewer system and sewage treatment method effectively using existing treatment facility |
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Application publication date: 20190830 |
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