CN101054212A - Sewage treatment method and equipment thereof - Google Patents
Sewage treatment method and equipment thereof Download PDFInfo
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- CN101054212A CN101054212A CN 200610011667 CN200610011667A CN101054212A CN 101054212 A CN101054212 A CN 101054212A CN 200610011667 CN200610011667 CN 200610011667 CN 200610011667 A CN200610011667 A CN 200610011667A CN 101054212 A CN101054212 A CN 101054212A
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- activated coke
- adsorption bed
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- water inlet
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000571 coke Substances 0.000 claims description 191
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 191
- 238000001179 sorption measurement Methods 0.000 claims description 129
- 239000002245 particle Substances 0.000 claims description 17
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052740 iodine Inorganic materials 0.000 claims description 5
- 239000011630 iodine Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 6
- 229910052799 carbon Inorganic materials 0.000 abstract 6
- 230000004907 flux Effects 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 210000000214 mouth Anatomy 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 17
- 239000000126 substance Substances 0.000 description 13
- 229920006395 saturated elastomer Polymers 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000004913 activation Effects 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000002481 rotproofing Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A method for sewage treatment contacts the sewage with active carbon. The sewage flow speed is no bigger than 0.05m/min and the sewage flux, the sewage flux on per meter active carbon sectional area is no bigger than 1m3/h, wherein the granular diameter of the active carbon is no bigger than 20 meshes. The invention relates to an active carbon absorbent bed, the top of which is provided with an open structure and the base of which is provided with a tapered structure and also with over one discharge mouthes. The bed is filled with active carbon with the granular diameter no bigger than 20 meshes. The four sides and center of the bed top are provided with a catch basin, the near-bed side of which is a outlet branch and the lower level of the outlet branch is on the same horizontal line of the lower level of the catch basin. The lower end of the bed is connected with a plurality of inlet pipes. The inlet pipes are distributed with inlet holes. An end of the inlet pipes is connected with the inlet branch passing through the bed wall and the other end of the inlet pipes is connected with the sewage valve passing through the bed wall. The active carbon asborbent bed is provided with a discharge washing pipe in the lower center and the discharge washing pipe is provided with a spray nozzle.
Description
Technical field
The invention belongs to trade effluent, urban sewage treatment technology field, be specifically related to a kind of method that adopts activated coke to handle trade effluent, municipal effluent.
The invention still further relates to the device of realizing aforesaid method.
Background technology
At present, to trade effluent, grid is adopted in municipal sewage treatment, hydraulic screen, the homogeneous pond, primary clarifier, the aeration tank, second-level settling pond, facilities such as tube settler and equipment are handled, but also to adopt various medicaments to precipitate, flocculation, air supporting, active sludge, aeration, anaerobism, biochemistry such as fermentation, materialization is handled, the weak point of above-mentioned facility and equipment is a technical sophistication, floor space is big, current consumption is big, the working cost height, especially handling chemical oxygen demand (COD) (COD) value height, the trade effluent of complicated component, during waste liquid, be difficult to reach specified standards.
Activated coke is the prosperity of a kind of internal void structure, and specific surface area is big, and the carbon materials of high adsorption capacity is a kind of good sorbing material, is commonly used to carry out flue gas desulfurization.How to adopt activated coke to handle trade effluent, municipal effluent etc., trade effluent, municipal effluent etc. are handled reduced floor space, reduce current consumption, reduce processing cost and investment cost, improve the processing power and the quality of trade effluent, municipal effluent etc., to satisfy more and more higher environmental protection standard, still be not reported so far.
Summary of the invention
The object of the present invention is to provide a kind of sewage water treatment method.
Another purpose of the present invention is to provide a kind of device that is used to realize aforesaid method.
For achieving the above object, sewage water treatment method provided by the invention is that sewage is contacted with activated coke, the flow velocity≤0.05m/min of sewage, and the discharge of sewage is the discharge≤1m of every square metre of activated coke sectional area
3/ hour; Wherein activated coke is iodine number 〉=200mg/g, specific surface area 〉=150m
2The carbon materials of/g, particle diameter≤20 orders.
Described method, wherein sewage is trade effluent and municipal effluent.
Described method, wherein particle diameter≤30 purpose activated coke are no more than 20% of activated coke total amount.
Described method, wherein be by regulate the control of sewage flooding quantity and adjust sewage in treating processes with duration of contact of activated coke.
The device that is used to realize aforesaid method provided by the invention is an activated coke adsorption bed, and activated coke adsorption bed top is uncovered structure, and the bottom is a tapered structure, and an above discharge gate is arranged at the bottom, and particle diameter≤20 purpose activated coke are housed in the activated coke adsorption bed;
Around the activated coke adsorption bed inside top and centre is equipped with water leg, and water leg is equipped with an above exit branch in activated coke adsorption bed wall one side, and exit branch lower edge and water leg bottom are at same sea line;
The bottom is equipped with many water inlet pipes in the activated coke adsorption bed, is distributed with the water hole on the water inlet pipe; Water inlet pipe one end passes activated coke adsorption bed wall and links to each other with the water inlet arm, and the water inlet pipe the other end passes activated coke adsorption bed wall and is connected with wash water valve;
Lower central is equipped with the discharge washpipe in the activated coke adsorption bed, has above the discharge washpipe to be three row's nozzles that hexagonal angle distributes, the mutual distribution straggly in position of three row's nozzles.
Described device, wherein blow-off valve and discharge apparatus are equipped with in the discharge gate bottom.
Described device, wherein discharge apparatus is spiral pump, ram pump, worm conveyor or rotary conveyor.
Described device, wherein the water hole on the water inlet pipe is 1mm～2mm.
Described device wherein is equipped with into water orifice plate between water inlet pipe and the water inlet arm, and there is a prosopyle in these water inlet orifice plate central authorities.
Described device is equipped with water intaking valve on the arm of wherein intaking.
Described device, wherein in the activated coke of filling in the tank body, activated coke is iodine number 〉=200mg/g, specific surface area 〉=150m
2The carbon materials of/g, particle diameter≤30 purpose activated coke are no more than 20% of activated coke total amount.
In detail, activated coke adsorption bed of the present invention includes body, water leg, exit branch, activated coke, water inlet arm, water intaking valve, water inlet pipe, water inlet orifice plate, column, discharge gate, blow-off valve, discharge apparatus, discharge washpipe, wash water valve.
Activated coke adsorption bed body provided by the invention is a rectangular parallelepiped, and activated coke adsorption bed top is uncovered structure, and the bottom is a tapered structure, an above discharge gate is arranged at the bottom, and the distance between per two discharge gate medullary rays is 1,500～2,500mm, blow-off valve is equipped with in the discharge gate bottom.The blow-off valve below is a discharge apparatus, and discharge apparatus can adopt spiral pump, ram pump, worm conveyor, rotary conveyor.Particle diameter≤20 orders are housed in the activated coke adsorption bed, and wherein≤30 order is no more than 20% activated coke.
Around the activated coke adsorption bed inside top and centre is equipped with water leg, the groove width of catchmenting 200～300mm, dark 150～200mm.Water leg distance from bottom activated coke adsorption bed wall upper edge 250～300mm, water leg is equipped with an above exit branch in activated coke adsorption bed wall one side, and exit branch lower edge and water leg bottom are at same sea line.Distance is 1,500～2 between per two exit branch medullary rays, 000mm.
The bottom is equipped with many water inlet pipes in the activated coke adsorption bed, distance between per two water inlet pipe medullary rays is 200～400mm, the water inlet pipe medullary ray in the outside and the horizontal throw of activated coke adsorption bed inwall are 300～400mm, and the vertical range of water inlet pipe medullary ray and activated coke adsorption bed bottom discharging mouth upper edge is 300～400mm; Vertical range between water inlet pipe medullary ray and the water leg outer bottom lower edge is 2,300～2,600mm.Distribute on the water inlet pipe hole of 1mm～2mm, the line-spacing of medullary ray and spacing are 20mm～30mm between the Kong Yukong.Water inlet pipe one end passes activated coke adsorption bed wall and links to each other with the water inlet arm, on the water inlet pipe between activated coke adsorption bed wall and the water inlet arm into water orifice plate is installed.There is a prosopyle in water inlet orifice plate central authorities, discharge and water flow velocity design that the diameter of prosopyle distributes according to every water inlet pipe, and the purpose that is installed into the water hole plate is to make the flooding quantity of every water inlet pipe average.The water inlet pipe the other end passes activated coke adsorption bed wall and is connected with wash water valve.Regularly open wash water valve, the throw out, throw out, the dirt that are collected in the water inlet pipe are discharged, avoid activated coke adsorption bed water inlet pipe to stop up.On the water inlet arm water intaking valve is installed.
Lower central is equipped with the discharge washpipe that diameter is 32mm in the activated coke adsorption bed, and the vertical range of discharge washpipe medullary ray and activated coke adsorption bed bottom discharging mouth upper edge is 200～300mm; Vertical range between discharge washpipe medullary ray and the water inlet pipe medullary ray above it is 100mm.The nozzle of three row's bore 2mm is arranged above the discharge washpipe, and the horizontal throw of medullary ray is 300mm between nozzle and the nozzle, and three row's nozzles are hexagonal angle each other and distribute.The mutual distribution straggly in position of three row's nozzles.The discharge washpipe has valve and is connected towards the material waterpipe.
The volume of activated coke adsorption bed is according to handling water yield design. discharge≤1m that the every square metre cross-section of activated coke adsorption bed is long-pending
3/ hour, answered the flow velocity≤0.05m/min for the treatment of water the duration of contact of waste water, sewage and activated coke 〉=25 minutes in the activated coke adsorption bed.Regulate the waste water in the activated coke adsorption bed, the flow of sewage by the water intaking valve that water inlet is installed on the arm, control and adjust waste water, sewage in treating processes with duration of contact of activated coke.
The activated coke adsorption bed should adopt the corrosion-resistant material making or carry out rotproofing.
When adopting present method to handle trade effluent, municipal effluent, from the open topped of activated coke adsorption bed, fill it up with particle diameter≤20 orders in the activated coke adsorption bed, wherein≤30 order is no more than 20% activated coke.The height of activated coke layer is a benchmark with the water inlet pipe medullary ray, and it is high by 1,300～1 to make progress, 600mm.
The trade effluent of Chu Liing, municipal effluent amount are big if desired, use separate unit activated coke adsorption bed to handle can't to satisfy when handling the water yield and requiring, and can use the activated coke adsorption bed more than 2 is in parallel, satisfy the requirement of handling the water yield; The trade effluent of Chu Liing, municipal effluent organic content height if desired, using separate unit activated coke adsorption bed to handle can't meet the requirements of when handling index, the series connection of activated coke adsorption bed more than 2 can be used, to satisfy the requirement of water quality treatment, when the series connection of activated coke adsorption bed was used, the treating water between every grade need be carried by water pump.
When the use of the process of the activated coke in activated coke adsorption bed certain hour reaches capacity state, it is changed.When changing activated coke, close water intaking valve, open the blow-off valve that activated coke adsorption bed below discharge gate is installed, according to the discharge situation, open the diameter that lower central is installed in the activated coke adsorption bed and be the discharge washpipe of 32mm and dash the valve of expecting between the waterpipe that send water to the discharge washpipe, activated coke adsorption bed bottom adsorptive capacity is big, saturated active coke is discharged, and, be transported to the centrifugal drier dehydration of installing in the water treatment workshop by the following discharge apparatus discharge of installing of blow-off valve.Saturated active coke after the processed is carried out heat regeneration, activation, reuse then, also the saturated active coke after the processed can be made boiler oil.After discharge is finished, close valve, blow-off valve and discharge apparatus between discharge washpipe and the water inlet junction pipe, add particle diameter≤20 orders again by activated coke adsorption bed top, wherein≤30 order is no more than 20% activated coke, open water intaking valve, the activated coke adsorption bed restarts operation.
Handle trade effluent, municipal effluent via activated coke adsorption bed of the present invention, chemical oxygen demand (COD) (COD) in reduction waste water, the sewage, suspended substance (SS) value etc., processing chemical oxygen demand (COD) (COD), waste water, sewage that suspended substance (SS) value is high have good effect, can improve the processing quality of waste water, sewage, reduce waste water, sewage disposal current consumption, save waste water, sewage disposal expense.
Description of drawings
Fig. 1 is the structural representation of activated coke adsorption bed of the present invention;
Fig. 2 is the sectional view of Fig. 1 along the B-B line;
Fig. 3 is the diagrammatic cross-section of Fig. 1 along the C-C line;
Fig. 4 is the diagrammatic cross-section of Fig. 1 along the D-D line.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in drawings, activated coke adsorption bed body 1 provided by the invention is a rectangular parallelepiped, activated coke adsorption bed top is uncovered structure, the bottom is a tapered structure, an above discharge gate 10 is arranged at the bottom, and the distance between the medullary ray of per two discharge gates 10 is 1,500～2,500mm, blow-off valve 11 is equipped with in discharge gate 10 bottoms.Blow-off valve 11 belows are discharge apparatus 12, and discharge apparatus 12 can adopt spiral pump, ram pump, worm conveyor, rotary conveyor.Particle diameter≤20 orders are housed in the activated coke adsorption bed, and wherein≤30 order is no more than 20% activated coke 4.
Around the activated coke adsorption bed inside top and centre is equipped with water leg 2, water leg 2 wide 200～300mm, dark 150～200mm.Water leg 2 distance from bottom activated coke adsorption bed wall upper edge 250～300mm, water leg 2 is equipped with an above exit branch 3 in activated coke adsorption bed wall one side, and exit branch 3 lower edges and water leg 2 bottoms are at same sea line.Distance is 1,500～2 between per two exit branch 3 medullary rays, 000mm.
The bottom is equipped with many water inlet pipes 7 in the activated coke adsorption bed, distance between the medullary ray of per two water inlet pipes 7 is 200～400mm, water inlet pipe 7 medullary rays in the outside and the horizontal throw of activated coke adsorption bed inwall are 300～400mm, and the vertical range of the medullary ray of water inlet pipe 7 and activated coke adsorption bed bottom discharging mouth 10 upper edges is 300～400mm; Vertical range between the medullary ray of water inlet pipe 7 and the water leg 2 outer bottom lower edges is 2,300～2,600mm.Distribute on the water inlet pipe 7 hole of 1mm～2mm, the line-spacing of medullary ray and spacing are 20mm～30mm between the Kong Yukong.Water inlet pipe 7 one ends pass activated coke adsorption bed wall and link to each other with water inlet arm 5, on the water inlet pipe 7 between activated coke adsorption bed wall and the water inlet arm 5 into water orifice plate 8 are installed.There is a prosopyle in water inlet orifice plate 8 central authorities, discharge and water flow velocity design that the diameter of prosopyle distributes according to every water inlet pipe, and the purpose that is installed into water hole plate 8 is to make the flooding quantity of every water inlet pipe 7 average.Water inlet pipe 7 the other ends pass activated coke adsorption bed wall and are connected with wash water valve 14.Regularly open wash water valve 14, the throw out, throw out, the dirt that are collected in the water inlet pipe 7 are discharged, avoid activated coke to inhale bed water inlet pipe 7 and stop up.On the water inlet arm 5 water intaking valve 6 is installed.
Lower central is equipped with the discharge washpipe 13 that diameter is 32mm in the activated coke adsorption bed, and the upper edge vertical range of the medullary ray of discharge washpipe 13 and activated coke adsorption bed bottom discharging mouth 10 is 200～300mm; Vertical range between the medullary ray of discharge washpipe 13 and 7 medullary rays of the water inlet pipe above it is 100mm.The nozzle of three row's bore 2mm is arranged above the discharge washpipe 13, and the horizontal throw of medullary ray is 300mm between nozzle and the nozzle, and three row's nozzles are hexagonal angle each other and distribute.The mutual distribution straggly in position of three row's nozzles.Discharge washpipe 13 has valve and is connected towards the material waterpipe.
The volume of activated coke adsorption bed is according to handling water yield design, discharge≤1m that the every square metre cross-section of activated coke adsorption bed is long-pending
3/ hour, answered the flow velocity≤0.05m/min for the treatment of water the duration of contact of waste water, sewage and activated coke 4 〉=25 minutes in the activated coke adsorption bed.Regulate the waste water in the activated coke adsorption beds, the flow of sewage by the water intaking valve of installing on the water inlet arm 56, control and adjust waste water, sewage in treating processes with duration of contact of activated coke 4.
The activated coke adsorption bed should adopt the corrosion-resistant material making or carry out rotproofing.
When adopting present method to handle trade effluent, municipal effluent, from the open topped of activated coke adsorption bed, add particle diameter≤20 orders in the activated coke adsorption bed, wherein≤30 order is no more than 20% activated coke 4.The height of activated coke layer is with water inlet pipe medullary ray benchmark, and it is high by 1,300～1 to make progress, 600mm.
The trade effluent of Chu Liing, municipal effluent amount are big if desired, use separate unit activated coke adsorption bed to handle can't to satisfy when handling the water yield and requiring, and can use the activated coke adsorption bed more than 2 is in parallel, satisfy the requirement of handling the water yield; The trade effluent of Chu Liing, municipal effluent organic content height if desired, using separate unit activated coke adsorption bed to handle can't meet the requirements of when handling index, the series connection of activated coke adsorption bed more than 2 can be used, to satisfy the requirement of water quality treatment, when the series connection of activated coke adsorption bed was used, the treating water between every grade need be carried by water pump.
When the 4 process certain hours uses of the activated coke in the activated coke adsorption bed reach capacity state, it is changed.When changing activated coke 4, close water intaking valve 6, open the blow-off valve 11 that activated coke adsorption bed below discharge gate 10 is installed, according to the discharge situation, opening the diameter that lower central is installed in the activated coke adsorption bed is the discharge washpipe 13 of 32mm and the valve between the water inlet arm 5, send water to discharge washpipe 13, activated coke adsorption bed bottom adsorptive capacity is big, saturated active coke 4 is discharged, and, be transported to the centrifugal drier dehydration of installing in the water treatment workshop by the blow-off valve 11 following discharge apparatus of installing 12 discharges.Saturated active coke after the processed is carried out heat regeneration, activation, reuse then, also the saturated active coke after the processed can be made boiler oil.After discharge is finished, close valve, blow-off valve 11 and discharge apparatus 12 between discharge washpipe 13 and the water inlet arm 5, add particle diameter≤20 orders again from activated coke adsorption bed top, wherein≤30 order is no more than 20% activated coke 4, open water intaking valve 5, the activated coke adsorption bed restarts operation.
Below by example the operation of activated coke adsorption bed of the present invention is described.
Example 1:
Certain paper mill adopts the parallel connection of two activated coke adsorption beds to carry out depths reason back reuse through waste water after the biochemical treatment.The composition of waste water is after the biochemical treatment:
Chemical oxygen demand (COD) (COD) 370mg/L, biochemical oxygen demand (BOD) (BOD) 110mg/L, suspended substance (SS) 255mg/L,
Colourity is 96 times, chlorine root 1130mg/L, basicity 12.4mg/L, hardness 7mg/L, electric conductivity 5050, pH value 11.07.
Activated coke adsorption bed parameter:
1, wide: 4,000mm
2, highly: 4,000mm
3, long: 10,000mm
4, handle the water yield: 40m
3/ hour
5, water inlet pipe: DN30
6, water inlet arm: DN30
7, water inlet is responsible for: DN150
8, prosopyle plate hole diameter: 8mm
9, exit branch: DN100
Activated coke adsorption bed body provided by the invention is a rectangular parallelepiped, and activated coke adsorption bed top is uncovered structure, and the bottom is a tapered structure, and 20 discharge gates are arranged at the bottom, and the distance between per two discharge gate medullary rays is 2,000mm, and blow-off valve is equipped with in the discharge gate bottom.The blow-off valve below is a discharge apparatus, and discharge apparatus is a rotary conveyor.Particle diameter≤20 orders are housed in the activated coke adsorption bed, and wherein≤30 order is no more than 20% activated coke.The activated coke layer height is a benchmark with the water inlet pipe medullary ray, and it is high by 1 to make progress, 600mm.
Around the activated coke adsorption bed inside top and centre is equipped with water leg, the groove width of catchmenting 200～300mm, dark 150～200mm.Water leg distance from bottom activated coke adsorption bed wall upper edge 250～300mm, water leg is equipped with an above exit branch in activated coke adsorption bed wall one side, and exit branch lower edge and water leg bottom are at same sea line.Distance is 1,500～2 between per two exit branch medullary rays, 000mm.
The bottom is equipped with 24 row's water inlet pipes in the activated coke adsorption bed, distance between per two row's water inlet pipe medullary rays is 400mm, the water inlet pipe medullary ray in the outside and the horizontal throw of activated coke adsorption bed inwall are 400mm, and the vertical range of water inlet pipe medullary ray and activated coke adsorption bed bottom discharging mouth upper edge is 400mm; Vertical range between water inlet pipe medullary ray and the water leg outer bottom lower edge is 2,600mm.The hole of distribution 2mm on the water inlet pipe, the line-spacing of medullary ray and spacing are 30mm between the Kong Yukong.Activated coke adsorption bed wall is passed at the water inlet pipe two ends, and water inlet pipe one end that passes activated coke adsorption bed wall is equipped with wash water valve, regularly opens wash water valve, and the throw out, throw out, the dirt that are collected in the water inlet pipe are discharged, and avoids water inlet pipe to stop up.The other end that passes the water inlet pipe of activated coke adsorption bed wall links to each other with the water inlet arm, on the water inlet pipe between activated coke adsorption bed wall and the water inlet arm, into water orifice plate is housed, there is a diameter 6mm hole centre of the water inlet orifice plate of installing on every water inlet pipe, and the purpose that is installed into the water hole plate is to make the flooding quantity of every water inlet pipe average.
Lower central is equipped with the discharge washpipe that diameter is 32mm in the activated coke adsorption bed, and the upper edge vertical range of the medullary ray of discharge washpipe and activated coke adsorption bed bottom discharging mouth is 200～300mm; Vertical range between the medullary ray of discharge washpipe and 7 medullary rays of the water inlet pipe above it is 100mm.The nozzle of three row's bore 2mm is arranged above the discharge washpipe, and the horizontal throw of medullary ray is 300mm between nozzle and the nozzle, and three row's nozzles are hexagonal angle each other and distribute.The mutual distribution straggly in position of three row's nozzles.
The volume of activated coke adsorption bed is according to handling water yield design.Discharge≤1m that the every square metre cross-section of activated coke adsorption bed is long-pending
3/ hour, answered the flow velocity≤0.05m/min for the treatment of water the duration of contact of waste water, sewage and activated coke 〉=25 minutes in the activated coke adsorption bed.Regulate the waste water in the activated coke adsorption bed, the flow of sewage by the water intaking valve that water inlet is installed on the arm, control and adjust waste water, sewage in treating processes with duration of contact of activated coke.
The activated coke adsorption bed should adopt the corrosion-resistant material making or carry out rotproofing.
When adopting present method to handle trade effluent, municipal effluent, from the open topped of activated coke adsorption bed, add particle diameter≤20 orders in the activated coke adsorption bed, wherein≤30 order is no more than 20% activated coke.The height of activated coke layer is a benchmark with the water inlet pipe medullary ray, and it is high by 1,300～1 to make progress, 600mm.Activated coke is iodine number 〉=200mg/g, specific surface area 〉=150m
2The carbon materials of/g.
By connecting the water inlet junction pipe of two activated coke adsorption beds, be transported to every activated coke adsorption bed by water pump through waste water, sewage after the biochemical treatment; Go into water inlet pipe by water intaking valve, water inlet arm, the prosopyle plate current of every activated coke adsorption bed again; The aperture smooth outflow that distributes from water inlet pipe is upward through the activated coke adsorption layer again; Through the water after the activated coke adsorption treatment, the water leg outer wall upper edge around activated coke adsorption bed top flows into the water leg; Flow out by the exit branch that links to each other with water leg again, be transported to specified place by the water outlet junction pipe that connects two activated coke adsorption bed exit branch.During the operation of activated coke adsorption bed, regularly open wash water valve, the throw out, throw out, the dirt that are collected in the water inlet pipe are discharged, avoid activated coke adsorption bed water inlet pipe to stop up.
After the reason of activated coke adsorption bed depths, the composition of water is:
Chemical oxygen demand (COD) (COD) 63mg/L, biochemical oxygen demand (BOD) (BOD) 20mg/L, suspended substance (SS) 17mg/L,
Colourity is 10 times, chlorine root 512mg/L, basicity 2.4mg/L, hardness 7mg/L, electric conductivity 2150, pH value 7.07.
When the use of the process of the activated coke in activated coke adsorption bed certain hour reaches capacity state, it is changed.When changing activated coke, close water intaking valve, open the blow-off valve that activated coke adsorption bed below discharge gate is installed, according to the discharge situation, open the diameter that lower central is installed in the activated coke adsorption bed and be the discharge washpipe of 32mm and dash the valve of expecting between the waterpipe that send water to the discharge washpipe, activated coke adsorption bed bottom adsorptive capacity is big, saturated active coke is discharged, and, be transported to the centrifugal drier dehydration of installing in the water treatment workshop by following discharge apparatus (spiral pump) discharge of installing of blow-off valve.Saturated active coke after the processed is carried out heat regeneration, activation, reuse then, also the saturated active coke after the processed can be made boiler oil.After discharge is finished, close valve, blow-off valve and discharge apparatus between discharge washpipe and the water inlet junction pipe, add particle diameter≤20 orders again by activated coke adsorption bed top, wherein≤30 order is no more than 20% activated coke, open water intaking valve, the activated coke adsorption bed restarts operation.
Claims (13)
1. sewage water treatment method: sewage is contacted with activated coke, the flow velocity≤0.05m/min of sewage, the discharge of sewage is the discharge≤1m of every square metre of activated coke sectional area
3/ hour; The particle diameter of activated coke≤20 orders wherein.
2. the method for claim 1, wherein activated coke is iodine number 〉=200mg/g, specific surface area 〉=150m
2The carbon materials of/g.
3. the method for claim 1, wherein sewage is trade effluent and municipal effluent.
4. the method for claim 1, wherein particle diameter≤30 purpose activated coke are no more than 20% of activated coke total amount.
5. the method for claim 1, wherein be by regulate the control of sewage flooding quantity and adjust sewage in treating processes with duration of contact of activated coke.
6. a device that is used to realize the described method of claim 1 is an activated coke adsorption bed, and activated coke adsorption bed top is uncovered structure, and the bottom is a tapered structure, and an above discharge gate is arranged at the bottom, and particle diameter≤20 purpose activated coke are housed in the activated coke adsorption bed;
Around the activated coke adsorption bed inside top and centre is equipped with water leg, and water leg is equipped with an above exit branch in activated coke adsorption bed wall one side, and exit branch lower edge and water leg bottom are at same sea line;
The bottom is equipped with many water inlet pipes in the activated coke adsorption bed, is distributed with the water hole on the water inlet pipe; Water inlet pipe one end passes activated coke adsorption bed wall and links to each other with the water inlet arm, and the water inlet pipe the other end passes activated coke adsorption bed wall and is connected with wash water valve;
Lower central is equipped with the discharge washpipe in the activated coke adsorption bed, has above the discharge washpipe to be three row's nozzles that hexagonal angle distributes, the mutual distribution straggly in position of three row's nozzles;
Above-mentioned activated coke adsorption bed carries out parallel connection and/or the use of connecting with two or more.
7. device as claimed in claim 6, wherein blow-off valve and discharge apparatus are equipped with in the discharge gate bottom.
8. device as claimed in claim 7, wherein discharge apparatus is spiral pump, ram pump, worm conveyor or rotary conveyor.
9. device as claimed in claim 6, wherein the water hole on the water inlet pipe is 1mm～2mm.
10. device as claimed in claim 6 wherein is equipped with into water orifice plate between water inlet pipe and the water inlet arm, and there is a prosopyle in these water inlet orifice plate central authorities.
11. device as claimed in claim 6 is equipped with water intaking valve on the arm of wherein intaking.
12. device as claimed in claim 6, wherein in the activated coke of filling in the tank body, particle diameter≤30 purpose activated coke are no more than 20% of activated coke total amount.
13. as claim 6 or 12 described devices, wherein activated coke is iodine number 〉=200mg/g, specific surface area 〉=150m
2The carbon materials of/g.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100116677A CN100496664C (en) | 2006-04-13 | 2006-04-13 | Sewage treatment equipment |
| PCT/CN2007/001221 WO2007118426A1 (en) | 2006-04-13 | 2007-04-13 | A method and an equipment for treating waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100116677A CN100496664C (en) | 2006-04-13 | 2006-04-13 | Sewage treatment equipment |
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| CN101054212A true CN101054212A (en) | 2007-10-17 |
| CN100496664C CN100496664C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100116677A Expired - Fee Related CN100496664C (en) | 2006-04-13 | 2006-04-13 | Sewage treatment equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475258B (en) * | 2008-12-31 | 2010-12-22 | 南京中电联环保股份有限公司 | Bioactive coke method for processing coking wastewater |
| CN101565212B (en) * | 2008-04-23 | 2013-09-11 | 张大伟 | Method and device for emergency treatment of water pollution accidents |
| CN105967262A (en) * | 2016-06-27 | 2016-09-28 | 杭州回水科技股份有限公司 | Dephosphorizing granular activated coke adsorption tower with fluidized bed |
| CN106006818A (en) * | 2016-06-27 | 2016-10-12 | 杭州回水科技股份有限公司 | Multi-stage adsorption tower adopting phosphorus-removing granular active coke |
| US10071404B2 (en) | 2013-10-29 | 2018-09-11 | Mississippi International Water Inc. | Refuse treatment method and apparatus for separating solid and liquid and separating organics and inorganics |
-
2006
- 2006-04-13 CN CNB2006100116677A patent/CN100496664C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565212B (en) * | 2008-04-23 | 2013-09-11 | 张大伟 | Method and device for emergency treatment of water pollution accidents |
| CN101475258B (en) * | 2008-12-31 | 2010-12-22 | 南京中电联环保股份有限公司 | Bioactive coke method for processing coking wastewater |
| US10071404B2 (en) | 2013-10-29 | 2018-09-11 | Mississippi International Water Inc. | Refuse treatment method and apparatus for separating solid and liquid and separating organics and inorganics |
| CN105967262A (en) * | 2016-06-27 | 2016-09-28 | 杭州回水科技股份有限公司 | Dephosphorizing granular activated coke adsorption tower with fluidized bed |
| CN106006818A (en) * | 2016-06-27 | 2016-10-12 | 杭州回水科技股份有限公司 | Multi-stage adsorption tower adopting phosphorus-removing granular active coke |
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|---|---|
| CN100496664C (en) | 2009-06-10 |
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