CN212770170U - Long-distance pipeline coal slurry conveying terminal coal slime wastewater treatment system - Google Patents
Long-distance pipeline coal slurry conveying terminal coal slime wastewater treatment system Download PDFInfo
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- CN212770170U CN212770170U CN202020690935.8U CN202020690935U CN212770170U CN 212770170 U CN212770170 U CN 212770170U CN 202020690935 U CN202020690935 U CN 202020690935U CN 212770170 U CN212770170 U CN 212770170U
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- 239000003250 coal slurry Substances 0.000 title claims description 30
- 239000003245 coal Substances 0.000 title claims description 25
- 238000004065 wastewater treatment Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000000108 ultra-filtration Methods 0.000 claims description 22
- 230000001112 coagulating effect Effects 0.000 claims description 21
- 238000004062 sedimentation Methods 0.000 claims description 21
- 238000005352 clarification Methods 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 19
- 239000003814 drug Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 13
- 239000002351 wastewater Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 8
- 208000005156 Dehydration Diseases 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000002244 precipitate Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 4
- 239000002910 solid waste Substances 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a long-distance pipe coal slurry conveying terminal coal slime wastewater treatment system, which comprises an adjusting tank, wherein the adjusting tank is sequentially connected with a coagulating sedimentation tank, a high-efficiency clarification tank, an active sand filtering tank and a filtering water production tank through pipelines; be provided with the equalizing basin elevator pump on the connecting tube between equalizing basin and the coagulating sedimentation pond, the reaction zone of coagulating sedimentation pond is connected with medicine system a, filters and produces pond effluent and gets into ultrafiltration device through producing pond elevator pump, and ultrafiltration device effluent flows automatically and gets into ultrafiltration and produces the pond. The utility model discloses rationally distributed between each processing unit, link up well, the quality of water after the processing can satisfy defeated coal slurry terminal station of pipe and terminal coal chemical industry enterprise factory afforestation and production water, can the wide application in the processing problem of coal slurry pipeline transportation terminal coal slime waste water, reaches energy saving and emission reduction, reduction in production cost's purpose.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective, concretely relates to defeated coal slurry terminal coal slime effluent disposal system of long distance pipe.
Background
The long-distance pipeline coal conveying is characterized in that water is used as a carrier, raw coal mined in a coal mine is washed, selected or homogenized, ground into coal slurry with proper grain size distribution and concentration, and relayed by a high-pressure pump through a pipeline to be conveyed to a terminal user. The long-distance pipeline coal slurry can meet the requirements of different users after being processed by processes such as dehydration, concentration and the like at the terminal.
The pipe coal slurry is dehydrated and concentrated at a terminal to generate a large amount of coal slurry wastewater, the coal slurry wastewater contains a large amount of pollutants such as coal dust suspended matters, total hardness and organic matters, a national institute of government issued in 2015 for 4 months issues a water pollution prevention action plan, the pollutant discharge is clearly required to be comprehensively controlled, industrial water pollution prevention and control is performed by grasping strongly, the industrial wastewater is recycled, and a long-distance pipe coal slurry terminal wastewater treatment system is developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a defeated coal slurry terminal coal slime effluent disposal system of long distance pipe solves the defeated coal slurry terminal coal slime waste water output of long distance pipe big, the problem of polluted environment.
The utility model adopts the technical proposal that a regulating reservoir is connected with a coagulating sedimentation tank, a high-efficiency clarification tank, an active sand filtering tank and a filtering water production tank in sequence through pipelines; be provided with the equalizing basin elevator pump on the connecting tube between equalizing basin and the coagulating sedimentation pond, the reaction zone of coagulating sedimentation pond is connected with medicine system a, filters and produces pond effluent and gets into ultrafiltration device through producing pond elevator pump, and ultrafiltration device effluent flows automatically and gets into ultrafiltration and produces the pond.
The utility model is also characterized in that,
and adding a medicament into the high-efficiency clarification tank through another medicament adding system b, and converting calcium and magnesium ions in the wastewater into insoluble salt precipitates in the high-efficiency clarification tank through coagulation reaction and solid-liquid separation and then removing the insoluble salt precipitates.
The bottom flow of the coagulating sedimentation tank is connected with a coal slime storage tank through an automatic sludge discharge valve, and the coal slime storage tank is used for recycling the coal slime.
The bottom flow of the high-efficiency clarification tank enters a sludge conditioning tank through a sludge pump, then is conveyed to a plate-and-frame filter press by a sludge feeding plunger pump for dehydration treatment, and the dehydrated mud cake is transported to the outside as solid waste.
The plate frame press filtrate generated by the plate frame press filter, plate frame flushing water, the activated sand filter tank and backwash water generated by the ultrafiltration device automatically flow into the regulating tank through the drainage ditch, and then enter a wastewater treatment system for continuous circulation.
The utility model discloses the effect in each pond:
a regulating pool: preliminary precipitation, water quantity regulation and water quality homogenization;
a coagulating sedimentation tank: high-efficiency solid-liquid separation and precipitation are realized under the action of a coagulant and a flocculant, and most of suspended matters and colloidal substances such as coal dust and the like are removed;
high-efficiency clarification tank: adding a chemical agent, precipitating calcium and magnesium ions through chemical reaction so as to reduce the hardness of water, and converting most hardness into insoluble salt precipitates in a high-efficiency clarification tank through coagulation reaction and solid-liquid separation and then removing the insoluble salt precipitates;
an active sand filter tank: suspended matters and particles with the particle size of more than 20 microns in the sewage are removed through interception, adsorption and filtration of a quartz sand filter material, so that the turbidity of the effluent is less than 3 NTU;
an ultrafiltration device: the ultrafiltration membrane is used for removing substances such as colloid, suspended particles, high molecular weight organic matters, bacteria, viruses, protozoa and the like in water, and the turbidity of the effluent is less than 1NTU and SDI is less than 3.
The utility model has the advantages that: the utility model discloses a long distance pipe transportation coal slurry terminal coal slime effluent disposal system compares with prior art, and pre-settling governing system, coagulating sedimentation system, hard system, filtration system, ultrafiltration system, charge system and mud processing system all can obtain alone in current water treatment field, the utility model discloses an improvement part lies in rationally combining each unit, the utility model discloses rationally distributed between each processing unit, link up well, and the quality of water after the processing can satisfy pipe transportation coal slurry terminal station and terminal coal chemical industry enterprise factory afforestation and production water, can the wide application in the processing problem of coal slurry pipe transportation terminal coal slime waste water, reaches energy saving and emission reduction, reduction in production cost's purpose.
Drawings
FIG. 1 is the structural schematic diagram of the utility model relates to a long distance pipe transportation coal slurry terminal coal slime effluent disposal system.
In the figure, 1, an adjusting tank, 2, an adjusting tank lifting pump, 3, a coagulating sedimentation tank, 4, a high-efficiency clarification tank, 5, an active sand filtering tank, 6, a filtering and water producing tank, 7, a water producing tank lifting pump, 8, an ultrafiltration device, 9, an ultrafiltration water producing tank, 10, an automatic sludge discharge valve, 11, a coal slime storage tank, 12, a sludge pump, 13, a sludge conditioning tank, 14, a sludge feeding plunger pump, 15, a plate and frame filter press and 16, a drainage ditch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and the detailed description
The utility model discloses a long-distance pipe coal slurry conveying terminal coal slime wastewater treatment system, the structure is shown in figure 1, and the system comprises an adjusting tank 1, wherein the adjusting tank 1 is sequentially connected with a coagulating sedimentation tank 3, a high-efficiency clarification tank 4, an active sand filtering tank 5 and a filtering water production tank 6 through pipelines; be provided with equalizing basin elevator pump 2 on the connecting tube between equalizing basin 1 and the coagulating sedimentation pond 3, coagulating sedimentation pond 3's reaction zone is connected with medicine system a, 6 water of pool 6 are produced in the filtration get into ultrafiltration device 8 through producing pool elevator pump 7, ultrafiltration device 8 goes out water and flows into ultrafiltration product pool 9 automatically.
And adding a medicament into the high-efficiency clarification tank 4 through another medicament adding system b, and converting calcium and magnesium ions in the wastewater into insoluble salt precipitates in the high-efficiency clarification tank 4 through coagulation reaction and solid-liquid separation and then removing the insoluble salt precipitates.
The bottom flow of the coagulating sedimentation tank 3 is connected with a coal slime storage tank 11 through an automatic sludge discharge valve 10, and the coal slime storage tank 11 is used for recycling coal slime.
The bottom flow of the high-efficiency clarification tank 4 enters a sludge conditioning tank 13 through a sludge pump 12, then is sent to a plate-and-frame filter press 15 through a sludge feeding plunger pump 14 for dehydration treatment, and the dehydrated mud cake is transported out as solid waste for disposal.
And the plate-frame press filtrate generated by the plate-frame filter press 15, the plate-frame washing water, the activated sand filter tank 5 and the backwashing water generated by the ultrafiltration device 8 automatically flow into the regulating tank 1 through the drainage ditch 16, so that the wastewater enters the wastewater treatment system to continue to circulate.
The utility model discloses a concrete operation as follows:
coal slime waste water after the defeated coal slurry concentration dehydration of pipe firstly gets into equalizing basin 1, equalizing basin 1 goes out water and is promoted coagulating sedimentation tank 3 by equalizing basin elevator pump 2, coagulating sedimentation tank 3 reaction zone adds the medicament through medicine system a coagulating sedimentation tank 3 sedimentation zone carries out high-efficient solid-liquid separation and deposits, coagulating sedimentation tank 3 overflow gets into high-efficiency clarification tank 4, high-efficiency clarification tank 4 adds the medicament through another medicine system b, through coagulating reaction and solid-liquid separation most calcium magnesium ion transformation is got rid of after insoluble salt deposits in high-efficiency clarification tank 4, high-efficiency clarification tank 4 overflow gets into active sand filter tank 5, active sand filter tank 5 goes out water and gets into filtration product pond 6, filtration product pond 6 goes out water and gets into ultrafiltration device 8 through product pond elevator pump 7, ultrafiltration device 8 goes out water and flows and gets into ultrafiltration product pond 9, and the water of the ultrafiltration water production tank is recycled for greening and production water in the factory area of the enterprise.
3 underflow of coagulating sedimentation tank is connected with coal slime reservoir 11 by automatic mud valve 10, 11 coal slime recycle in coal slime reservoir, 4 underflow of high-efficient clarification tank pass through sludge pump 12 and get into sludge conditioning tank 13, then send to plate and frame filter press 15 by mud feeding plunger pump 14 and carry out dehydration treatment, and the mud cake after the dehydration is dealt with as the outward transport of general solid waste. The filter liquor pressed by the plate frame machine, the plate frame flushing water, the activated sand filter tank, the backwashing water of the ultrafiltration device, the cleaning water of the wastewater treatment station area and the like automatically flow into the regulating tank 1 through the drainage ditch 16 and enter the wastewater treatment system.
Claims (5)
1. A long-distance pipeline coal slurry conveying terminal coal slurry wastewater treatment system is characterized by comprising an adjusting tank (1), wherein the adjusting tank (1) is sequentially connected with a coagulating sedimentation tank (3), a high-efficiency clarification tank (4), an active sand filtering tank (5) and a filtering water production tank (6) through pipelines; be provided with equalizing basin elevator pump (2) on the connecting tube between equalizing basin (1) and coagulating sedimentation pond (3), the reaction zone of coagulating sedimentation pond (3) is connected with medicine system a, it produces pond (6) and goes out water and gets into ultrafiltration device (8) through producing pond elevator pump (7) to filter, ultrafiltration device (8) play water and flow automatically and get into ultrafiltration and produce pond (9).
2. The system for treating the coal slime wastewater at the terminal of the long-distance pipeline coal slurry as claimed in claim 1, wherein the high-efficiency clarification tank (4) is added with a medicament through another medicament adding system b, and calcium and magnesium ions in the wastewater are converted into insoluble salt precipitates in the high-efficiency clarification tank (4) through coagulation reaction and solid-liquid separation and then removed.
3. The system for treating the coal slurry terminal coal slurry wastewater in the long-distance pipeline coal slurry conveying terminal according to the claim 1, wherein the underflow of the coagulating sedimentation tank (3) is connected with a coal slurry storage tank (11) through an automatic sludge discharge valve (10), and the coal slurry storage tank (11) is used for coal slurry recycling.
4. The system for treating the coal slurry terminal coal slurry wastewater through the long-distance pipeline transportation according to claim 1, wherein the bottom of the high-efficiency clarification tank (4) is connected with a sludge conditioning tank (13) through a sludge pump (12), the sludge conditioning tank (13) is connected with a plate-and-frame filter press (15) through a sludge feeding plunger pump (14), the plate-and-frame filter press (15) is used for dehydration treatment, and the dehydrated mud cakes are transported and treated as solid waste.
5. The long-distance pipeline coal slurry conveying terminal coal slurry wastewater treatment system as claimed in claim 4, wherein the plate-and-frame filter press filtrate generated by the plate-and-frame filter press (15), the plate-and-frame washing water, the activated sand filter tank (5) and the backwashing water generated by the ultrafiltration device (8) automatically flow into the regulating tank (1) through the drainage ditch (16) so as to enter the wastewater treatment system for continuous circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690935.8U CN212770170U (en) | 2020-04-29 | 2020-04-29 | Long-distance pipeline coal slurry conveying terminal coal slime wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690935.8U CN212770170U (en) | 2020-04-29 | 2020-04-29 | Long-distance pipeline coal slurry conveying terminal coal slime wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN212770170U true CN212770170U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020690935.8U Active CN212770170U (en) | 2020-04-29 | 2020-04-29 | Long-distance pipeline coal slurry conveying terminal coal slime wastewater treatment system |
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| CN (1) | CN212770170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116589136A (en) * | 2023-06-05 | 2023-08-15 | 中交第二航务工程局有限公司 | Pile foundation waste slurry dehydration tail water treatment system and pile foundation slurry treatment method |
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2020
- 2020-04-29 CN CN202020690935.8U patent/CN212770170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116589136A (en) * | 2023-06-05 | 2023-08-15 | 中交第二航务工程局有限公司 | Pile foundation waste slurry dehydration tail water treatment system and pile foundation slurry treatment method |
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