CN113307452A - Novel system for treating coal washing wastewater - Google Patents
Novel system for treating coal washing wastewater Download PDFInfo
- Publication number
- CN113307452A CN113307452A CN202110637388.6A CN202110637388A CN113307452A CN 113307452 A CN113307452 A CN 113307452A CN 202110637388 A CN202110637388 A CN 202110637388A CN 113307452 A CN113307452 A CN 113307452A
- Authority
- CN
- China
- Prior art keywords
- coal washing
- heavy metal
- sludge
- washing wastewater
- sewage
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 62
- 238000005406 washing Methods 0.000 title claims abstract description 57
- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000010802 sludge Substances 0.000 claims abstract description 53
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- 238000001556 precipitation Methods 0.000 claims abstract description 19
- 230000001112 coagulating effect Effects 0.000 claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 7
- 239000002738 chelating agent Substances 0.000 claims description 26
- 238000005507 spraying Methods 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 9
- 238000006297 dehydration reaction Methods 0.000 claims description 9
- 238000006386 neutralization reaction Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
- 239000013522 chelant Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 241000700605 Viruses Species 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 abstract description 3
- 230000015271 coagulation Effects 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
Abstract
The invention relates to a novel system for treating coal washing wastewater, which comprises a water collecting area, a coagulation sedimentation tank and a water collecting device, wherein the water collecting area is used for collecting the coal washing wastewater discharged by a coal washing device, collecting the coal washing wastewater to the water collecting area, and the coagulation sedimentation tank is connected with the water collecting area through a pipeline; coal washing wastewater gets into coagulating sedimentation tank, is equipped with first automatic reagent feeding device in the coagulating sedimentation tank, and heavy metal precipitation device passes through the pipeline with coagulating sedimentation tank and links to each other, and first sewage gets into heavy metal precipitation device, is equipped with second automatic reagent feeding device among the heavy metal precipitation device, obtains second sewage and first mud, and clear water processing system and sludge processing system are connected respectively through two branches to heavy metal precipitation device. The coal washing wastewater is deeply purified, a large amount of water resources are saved, and heavy metal ions in the coal washing wastewater are recycled for effective utilization.
Description
Technical Field
The invention relates to a system for treating coal washing wastewater, and belongs to the technical field of water treatment equipment.
Background
Coal washing wastewater containing a large amount of suspended matters, coal slime and heavy metal substances is generated in the coal mining and washing processes. The coal washing wastewater has the characteristics of high turbidity, fine solid particle size, negative charge on the surface of solid particles and the like. If the coal washing wastewater does not reach the standard for discharge, not only the ecological environment and water resources are seriously polluted, but also a large amount of coal slime and heavy metals are lost. The development speed of the coal mining industry in each region of China is stably increased, and the whole discharge amount of coal washing wastewater is also continuously increased.
The coal washing wastewater contains various harmful substances such as heavy metals, but the existing coal washing wastewater treatment system cannot completely remove the heavy metals in the wastewater, most of the treated water does not reach the recycling standard, and the coal slime generated after treatment also causes waste and pollution, so that a set of efficient treatment system is needed to remove the heavy metals in the coal washing wastewater and enable the heavy metals to be recycled, and the treated water resource can be reused in the coal washing system for coal washing again.
Disclosure of Invention
The invention aims to provide a novel system for treating coal washing wastewater, which can deeply purify the coal washing wastewater, save a large amount of water resources and recover heavy metal ions in the coal washing wastewater for effective utilization.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a novel system for treating coal washing wastewater comprises a water collecting area, wherein the water collecting area is used for collecting coal washing wastewater discharged by a coal washing device, collecting the coal washing wastewater to the water collecting area, and a coagulating sedimentation tank connected with the water collecting area through a pipeline; coal washing wastewater gets into coagulating sedimentation tank, is equipped with first automatic reagent feeding device in the coagulating sedimentation tank, and heavy metal precipitation device passes through the pipeline with coagulating sedimentation tank and links to each other, and first sewage gets into heavy metal precipitation device, is equipped with second automatic reagent feeding device among the heavy metal precipitation device, obtains second sewage and first mud, and clear water processing system and sludge processing system are connected respectively through two branches to heavy metal precipitation device.
The clear water processing system comprises: and the second sewage enters the neutralization tank, and excess liquid caustic soda preparation in the second sewage is neutralized to enable the pH value of the water to be neutral, so that third sewage is obtained.
And the neutralization tank is connected with a UASB reactor through a pipeline, and the UASB reactor operates to obtain fourth sewage.
The UASB reactor have the disinfection pond through pipe connection, fourth sewage gets into the disinfection pond, obtains first processing clear water.
The disinfection pond has the clean water basin through the pipe connection, and first processing clear water gets into the clean water basin, has the backwash pump in the clean water basin, and the backwash pump is recycled in water reflux to the coal washing device in with the clean water basin.
The sludge treatment system comprises: and the sludge caching device is connected with the heavy metal precipitation device through a pipeline, and the first sludge enters the sludge caching device.
The sludge caching device is connected with a chelating agent spraying device through a pipeline, the first sludge enters the chelating agent spraying device, and the upper part of the chelating agent spraying device is provided with an automatic spraying device which is used for automatically detecting heavy metals and adding an IDS chelating agent to generate a heavy metal chelate; the lower part of the chelating agent spraying device is provided with a stirrer which stirs and breaks up the sludge to ensure that heavy metal ions in the precipitate are better contacted with the IDS chelating agent sprayed by the automatic spraying device, and the heavy metal ions are completely chelated with the chelating agent to form heavy metal chelates, thereby obtaining second sludge.
The chelating agent spraying device is connected with a sludge filter press through a pipeline, a second sludge passing through a sludge pump is arranged in the sludge filter press, the second sludge is uniformly distributed in the gravity dehydration zone through the sludge pump, free water in the sludge is quickly discharged along with the movement of the filter belt, the maximum gravity dehydration is realized in the middle-force dehydration zone, and fifth sewage is obtained;
the sludge filter press have heavy metal collection device through the pipe connection, the fifth sewage gets into heavy metal collection device, is equipped with the plate electrode among the heavy metal collection device, adsorbs and collects heavy metal.
The disinfection tank is internally provided with an ultraviolet disinfector which generates ultraviolet UV-C light with high efficiency, high intensity and long service life to kill bacteria and viruses in the fourth sewage.
The invention has the following beneficial effects: the novel system for treating the coal washing wastewater provided by the invention can combine heavy metal and a chelating agent to form a heavy metal chelate, and then carry out mud-water separation, so that the heavy metal is further extracted for utilization. Therefore, compared with the prior art, the invention can carry out deep purification treatment on the coal washing wastewater, save a large amount of water resources, and can also recover heavy metal ions in the coal washing wastewater, effectively utilize the heavy metal ions and realize the aim of sustainable development.
Drawings
FIG. 1 is a schematic structural diagram of a novel system for treating coal washing wastewater.
The system comprises a water collecting area 1, a coagulating sedimentation tank 2, a first automatic dosing device 21, a heavy metal sedimentation device 3, a heavy metal sedimentation device 31, a second automatic dosing device 4, a neutralization tank 5, a UASB reactor 6, a disinfection tank 61, an ultraviolet sterilizer 7, a clean water tank 71, a reflux pump 8, a sludge caching device 9, a chelating agent spraying device 91, an automatic spraying device 92, a stirrer 10, a sludge filter press 101, a sludge pump 11, a heavy metal collecting device 111 and an electrode plate.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on positional relationships shown in the drawings or positional relationships that are usually arranged when the system of the present invention is used, and are only used for convenience of description and simplification of description, but do not indicate that the device or the element to be referred to must have a specific position, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish one description from another, and are not to be construed as indicating relative importance.
In the description of the present invention, it is also to be noted that the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a novel system for treating coal washing wastewater comprises: the water collecting area 1 is mainly used for collecting coal washing wastewater discharged by the coal washing device, and before the coal washing wastewater enters the main treatment device, the coal washing wastewater is collected to the water collecting area 1, so that the water quality and the water quantity are kept relatively stable, and a stable and optimized operation condition is provided for a subsequent treatment system.
A coagulating sedimentation tank 2 connected with the water collecting area 1 through a pipeline; the coal washing wastewater enters the coagulating sedimentation tank 2, and because the coal washing wastewater has high concentration of suspended matters, fine particles and stronger negative charges on the surface, two kinds of flocculating agents are used as composite agents. The composite agent can continuously strengthen the actual strength of the flocs, thereby improving the separation work efficiency of the flocculant.
The first automatic medicine adding device 21 detects that the content of suspended matters in the sewage exceeds the standard, namely, the compound medicine is automatically added: PAM and PAC, carry out coagulation reaction after, the coagulating sedimentation effect is better, can form the flocculating constituent, and the water turbidity of separating out is lower moreover, obtains first sewage, and the flocculating constituent of production will deposit to the bottom of the pool because of the action of gravity, carries out periodic cleaning to the flocculating constituent that its bottom was precipitated.
Heavy metal precipitation device 3 that links to each other through the pipeline with coagulating sedimentation tank 2, first sewage get into heavy metal precipitation device 3, and second automatic reagent feeding device 31 detects out heavy metal in the sewage after, and the liquid caustic soda preparation is added automatically, utilizes the heavy metal ion realization degree of depth desorption in the liquid caustic soda preparation with waste water, makes the heavy metal deposit to mud in, obtains second sewage and first mud.
And a neutralization tank 4 connected with the heavy metal precipitation device 3 through a pipeline, wherein the second sewage enters the neutralization tank 4, and excess liquid caustic soda preparation in the second sewage is neutralized to enable the pH value in the water to be neutral, so that third sewage is obtained.
The UASB reactor 5 is connected with the neutralization tank 4 through a pipeline, the UASB reactor 5 runs at high temperature and medium temperature and stably runs at low temperature, the third sewage does not contain heavy metal ions, the UASB reactor 5 does not need oxygen supply, stirring or heating, the consumed energy is less, a large amount of bioenergy biogas can be provided, the concentration of organic matters in the treated sewage basically reaches the discharge standard, and the fourth sewage is obtained.
And after the fourth sewage enters the disinfection tank 6, the ultraviolet disinfector 61 generates ultraviolet UV-C light with high efficiency, high intensity and long service life, kills bacteria and viruses in the fourth sewage, and obtains first treatment clean water.
And the clean water tank 7 is connected with the disinfection tank 6 through a pipeline, the first treatment clean water enters the clean water tank 7, a return pump 71 is arranged in the clean water tank 7, and the return pump 71 can return the water in the clean water tank 7 to the coal washing device for reuse.
And the sludge caching device 8 is connected with the heavy metal precipitation device 3 through a pipeline, and in order to improve the sludge treatment efficiency, the first sludge enters the sludge caching device 8 to perform stable treatment on the sludge.
The chelating agent spraying device 9 is connected with the sludge caching device 8 through a pipeline, the first sludge enters the chelating agent spraying device 9, and the automatic spraying device 91 is arranged at the upper part of the chelating agent spraying device 9 and used for automatically detecting heavy metals and adding an IDS chelating agent to generate a heavy metal chelate; the stirrer 92 is arranged at the lower part of the chelating agent spraying device 9, sludge is stirred and broken up, heavy metal ions in the sediment are better contacted with the IDS chelating agent sprayed by the automatic spraying device 91, and after the heavy metal ions stay for a relatively long time, the heavy metal ions are completely chelated with the chelating agent to form a heavy metal chelate, so that second sludge is obtained;
and the sludge filter press 10 is connected with the chelating agent spraying device 9 through a pipeline, the second sludge enters the sludge filter press 10 through a sludge pump 101, then the sludge is uniformly distributed in the gravity dehydration zone, the free water in the sludge is quickly discharged along with the movement of the filter belt, and the maximum gravity dehydration is realized in the medium-force dehydration zone. The upper and lower positions of the two filter belts are sequentially alternated, so that shearing force is generated on the mud cakes, the residual water in the mud cakes is fully filtered, the mud cakes are promoted to be dehydrated again, finally, the dry mud cakes are scraped off by a scraper and are transported to a mud storage place, the mud is recycled to be made into coal-containing mud cakes, and fifth sewage is obtained;
and the heavy metal collecting device 11 is connected with the sludge filter press 10 through a pipeline, fifth sewage enters the heavy metal collecting device 11, an electrode plate 111 is arranged in the heavy metal collecting device 11, heavy metals can be adsorbed and collected, the heavy metals on the electrode plate 111 are scraped off at regular intervals, and the heavy metals can be recycled.
What has been described above is merely a preferred embodiment of the invention. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principle of the present invention, and they should also be considered as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a novel handle coal washing wastewater system which characterized in that: the system comprises a water collecting area (1), wherein the water collecting area (1) is used for collecting coal washing wastewater discharged by a coal washing device, collecting the coal washing wastewater to the water collecting area (1), and a coagulating sedimentation tank (2) connected with the water collecting area (1) through a pipeline; coal washing wastewater gets into coagulating sedimentation tank (2), is equipped with first automatic reagent feeding device (21) in coagulating sedimentation tank (2), and heavy metal precipitation device (3) link to each other through the pipeline with coagulating sedimentation tank (2), and first sewage gets into heavy metal precipitation device (3), is equipped with second automatic reagent feeding device (31) in heavy metal precipitation device (3), obtains second sewage and first mud, and clear water processing system and sludge processing system are connected respectively through two branches to heavy metal precipitation device (3).
2. The novel system for treating coal washing wastewater as claimed in claim 1, wherein: the clear water processing system comprises: and a neutralization tank (4) connected with the heavy metal precipitation device (3) through a pipeline, wherein the second sewage enters the neutralization tank (4), and excess liquid caustic soda preparation in the second sewage is neutralized to make the pH value of the water neutral, so that third sewage is obtained.
3. The novel system for treating coal washing wastewater as set forth in claim 2, characterized in that: and the neutralization tank (4) is connected with a UASB reactor (5) through a pipeline, and the UASB reactor (5) operates to obtain fourth sewage.
4. The novel system for treating coal washing wastewater as set forth in claim 3, characterized in that: the UASB reactor (5) have disinfection pond (6) through the pipe connection, fourth sewage gets into disinfection pond (6), obtains first processing clear water.
5. The novel system for treating coal washing wastewater as set forth in claim 4, characterized in that: the coal washing device is characterized in that the disinfection tank (6) is connected with a clean water tank (7) through a pipeline, first treated clean water enters the clean water tank (7), a reflux pump (71) is arranged in the clean water tank (7), and water in the clean water tank (7) is refluxed to the coal washing device by the reflux pump (71) to be reused.
6. The novel system for treating coal washing wastewater as claimed in claim 1, wherein: the sludge treatment system comprises: and the sludge caching device (8) is connected with the heavy metal precipitation device (3) through a pipeline, and the first sludge enters the sludge caching device (8).
7. The novel system for treating coal washing wastewater as set forth in claim 6, characterized in that: the sludge caching device (8) is connected with a chelating agent spraying device (9) through a pipeline, the first sludge enters the chelating agent spraying device (9), and an automatic spraying device (91) is arranged at the upper part of the chelating agent spraying device (9) and used for automatically detecting heavy metals and adding an IDS chelating agent to generate a heavy metal chelate; the stirrer (92) is arranged at the lower part of the chelating agent spraying device (9) and is used for stirring and scattering the sludge, so that heavy metal ions in the precipitate can be better contacted with the IDS chelating agent sprayed by the automatic spraying device (91), and the heavy metal ions are completely chelated with the chelating agent to form heavy metal chelate, thereby obtaining second sludge.
8. The novel system for treating coal washing wastewater as set forth in claim 7, characterized in that: the chelating agent spraying device (9) is connected with a sludge filter press (10) through a pipeline, a second sludge pump (101) is arranged in the sludge filter press (10), the second sludge pump (101) enables the sludge to be uniformly distributed in a gravity dehydration zone, free water in the sludge is rapidly discharged along with the movement of a filter belt, the maximum gravity dehydration is realized in the medium-force dehydration zone, and fifth sewage is obtained.
9. The novel system for treating coal washing wastewater as set forth in claim 7, characterized in that: the sludge filter press (10) is connected with a heavy metal collecting device (11) through a pipeline, fifth sewage enters the heavy metal collecting device (11), and an electrode plate (111) is arranged in the heavy metal collecting device (11) and adsorbs and collects heavy metals.
10. The novel system for treating coal washing wastewater as set forth in claim 4, characterized in that: an ultraviolet sterilizer (61) is arranged in the disinfection tank (6) to generate ultraviolet UV-C light with high efficiency, high intensity and long service life, and bacteria and viruses in the fourth sewage are killed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637388.6A CN113307452A (en) | 2021-06-08 | 2021-06-08 | Novel system for treating coal washing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637388.6A CN113307452A (en) | 2021-06-08 | 2021-06-08 | Novel system for treating coal washing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113307452A true CN113307452A (en) | 2021-08-27 |
Family
ID=77377658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110637388.6A Pending CN113307452A (en) | 2021-06-08 | 2021-06-08 | Novel system for treating coal washing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113307452A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159743A (en) * | 2022-07-15 | 2022-10-11 | 张彧 | Control method of cleaning equipment and related device |
| CN115477437A (en) * | 2022-09-21 | 2022-12-16 | 泸州市威鑫煤业有限责任公司 | Coal washery sewage treatment system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10165994A (en) * | 1996-12-11 | 1998-06-23 | Ishigaki:Kk | Method for separating and removing heavy metal from sludge and separation thereof |
| CN103508581A (en) * | 2012-06-21 | 2014-01-15 | 山东环美利邦环保工程有限公司 | High concentration coal washing wastewater closed circulating treatment device |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN104803504A (en) * | 2015-02-09 | 2015-07-29 | 江苏源能环境工程有限公司 | Novel desulfurization waste water treatment method |
| CN105174546A (en) * | 2015-09-23 | 2015-12-23 | 江西中捷工程建设有限公司 | Industrial wastewater treatment system |
| CN105884157A (en) * | 2016-05-31 | 2016-08-24 | 浙江大学 | Method for removing and recovering heavy metal in sludge through electrolytic method |
| CN111892256A (en) * | 2020-09-15 | 2020-11-06 | 青岛世宇环境工程有限公司 | Fiber silver plating wastewater treatment system and treatment process thereof |
-
2021
- 2021-06-08 CN CN202110637388.6A patent/CN113307452A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10165994A (en) * | 1996-12-11 | 1998-06-23 | Ishigaki:Kk | Method for separating and removing heavy metal from sludge and separation thereof |
| CN103508581A (en) * | 2012-06-21 | 2014-01-15 | 山东环美利邦环保工程有限公司 | High concentration coal washing wastewater closed circulating treatment device |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN104803504A (en) * | 2015-02-09 | 2015-07-29 | 江苏源能环境工程有限公司 | Novel desulfurization waste water treatment method |
| CN105174546A (en) * | 2015-09-23 | 2015-12-23 | 江西中捷工程建设有限公司 | Industrial wastewater treatment system |
| CN105884157A (en) * | 2016-05-31 | 2016-08-24 | 浙江大学 | Method for removing and recovering heavy metal in sludge through electrolytic method |
| CN111892256A (en) * | 2020-09-15 | 2020-11-06 | 青岛世宇环境工程有限公司 | Fiber silver plating wastewater treatment system and treatment process thereof |
Non-Patent Citations (4)
| Title |
|---|
| （美）肯·盖泽著；高映辉主译: "《无害化学品 可持续发展的策略》", 31 January 2017 * |
| 朱振主编: "《废弃机电电子电器资源化利用技术》", 31 January 2018 * |
| 李伟等: "《煤炭产业循环经济发展原理》", 31 May 2009 * |
| 杨春平等: "《废水处理原理》", 31 December 2012 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159743A (en) * | 2022-07-15 | 2022-10-11 | 张彧 | Control method of cleaning equipment and related device |
| CN115477437A (en) * | 2022-09-21 | 2022-12-16 | 泸州市威鑫煤业有限责任公司 | Coal washery sewage treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201770558U (en) | Equipment for deeply treating and recycling coked wastewater | |
| CN103951114B (en) | A kind of heavy metal wastewater thereby tertiary treatment and deep purifying reuse technology | |
| CN113307452A (en) | Novel system for treating coal washing wastewater | |
| CN102001776B (en) | Method and device for recycling organic wastewater with high salinity | |
| CN104045178A (en) | Hydraulic-loom wastewater treatment recycling method | |
| CN203593682U (en) | Stack gas condensate water treating device | |
| RU165911U1 (en) | COMPLEX FOR CLEANING AND DISINFECTION OF INDUSTRIAL AND HOUSEHOLD WASTE WATERS | |
| CN203007063U (en) | Comprehensive wastewater treatment device of inorganic laboratory | |
| CN107555676B (en) | Kitchen sewage treatment device | |
| CN204434393U (en) | A kind of Waste Water Treatment | |
| CN102942271A (en) | Comprehensive treatment process of inorganic laboratory wastewater | |
| CN215403689U (en) | Laboratory wastewater comprehensive treatment device | |
| CN205295015U (en) | High COD effluent treatment plant of high salt | |
| RU2361823C1 (en) | Sewage treatment plant for solid domestic wastes | |
| CN212924728U (en) | Printing and dyeing wastewater pretreatment device | |
| RU2328454C2 (en) | Water purification station | |
| CN208829443U (en) | A kind of processing system for wet gas cabinet water seal water | |
| CN205635281U (en) | Municipal sewage efficient handling of system | |
| CN217230415U (en) | Kaolin acid wastewater treatment system | |
| CN105236666A (en) | Method for treating and recycling water-jet loom wastewater | |
| CN104787965A (en) | Treatment method of pharmaceutical industry wastewater | |
| CN110668619A (en) | Lead-zinc industrial mineral processing wastewater treatment device and treatment method | |
| CN215102447U (en) | Processing apparatus of thermal power plant waste water | |
| CN109824202A (en) | A kind of energy-efficient treatment process of industrial wastewater | |
| CN219972089U (en) | Full flow processing apparatus of useless ionic liquid |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210827 |