CN104843900B - Method for treating printing and dyeing wastewater by using oxidative adsorption filtration agent - Google Patents

Method for treating printing and dyeing wastewater by using oxidative adsorption filtration agent Download PDF

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CN104843900B
CN104843900B CN201510220221.4A CN201510220221A CN104843900B CN 104843900 B CN104843900 B CN 104843900B CN 201510220221 A CN201510220221 A CN 201510220221A CN 104843900 B CN104843900 B CN 104843900B
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adsorption filtration
water
filter core
pipe
adsorption
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CN104843900A (en
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聂忠文
李文
董俊
许榕
刘鲁建
覃将伟
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Junji Environmental Technology Co.,Ltd.
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Hubei Junji Water Treatment Co Ltd
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Abstract

The invention discloses a device and a method for treating printing and dyeing wastewater by using an oxidative adsorption filtration agent. The device comprises an adsorption filtration chamber, a filter core, a clear water tank and a water collection pipe, wherein the adsorption filtration chamber and the clear water tank are closed box bodies; a water inlet pipe and a backwashing water outlet pipe are arranged on the upper and lower sides of the adsorption filtration chamber respectively; the water inlet pipe and the water outlet pipe are provided with a water inlet valve and a backwash water outlet valve respectively; at least one cylindrical filter core is arranged in the adsorption filtration chamber; the bottom of the filter core is fixedly connected with the water collection pipe and the water collection pipe is in pipeline communication to the interior of the filter core; the water collection pipe is connected to the clear water tank and is provided with an adsorption filtration water outlet valve; the clear water tank is provided with a clear water outlet pipe; the water outlet pipe is provided with a water outlet valve. According to the device, a complete set of equipment cleaning system and a complete of perfect dosing system can also be formed while the printing and dyeing wastewater is subjected to the adsorption filtration treatment, and the device is convenient to operate and low in cost.

Description

A kind of method that utilization oxidation-adsorption filters chemicals treatment dyeing waste water
Technical field
The present invention is photographed technical field of sewage and in particular to a kind of given up using oxidation-adsorption filtration chemicals treatment printing and dyeing The device and method of water.
Background technology
Textile printing and dyeing industry is the mainstay industry of China, but because the waste water quality of textile printing and dyeing industry discharge is multiple Miscellaneous, concentration is high, colourity is deep, biodegradability is poor, water temperature changes greatly, therefore deals with very difficult.At present, textile printing and dyeing is given up The improvement of water, commonly used materialization to process printing and dyeing terminal waste water with biochemical technology, directly discharges after process, directly the knot of discharge Fruit is not only to cause environmental pollution, also wastes substantial amounts of water resource, the reason cause environmental pollution be water after processing only It is the secondary discharge standard basically reaching in gb4287-1992 " textile dyeing and finishing industrial water pollution thing discharge standard ", the cod in water Still higher with colourity.
With produce development, along with water resource environment deterioration become restriction enterprise development principal element it One, and with China, environmental protection is put more effort, the raising of discharge standard is it is necessary to carry out depth to textile printing and dyeing wastewater Process, to reduce the concentration of water pollutant further, realize producing the benign cycle with fwaater resources protection joint development.
Content of the invention
In order to solve above-mentioned technical problem, the present invention proposes a kind of useless using oxidation-adsorption filtration chemicals treatment printing and dyeing The device and method of water, filters medicament by a kind of oxidation-adsorption and carries out advanced treating to dyeing waste water, and form complete set Equipment purging system and a set of perfect medicine system, easy to operate low cost.
Assembly of the invention be the technical scheme is that a kind of utilization oxidation-adsorption filters chemicals treatment dyeing waste water Device it is characterised in that: include adsorption filtration room, filter core, clear water reserviors and receive water pipe;Described adsorption filtration room and clear water reserviors are close Close casing, above and below described adsorption filtration room, be respectively equipped with water inlet pipe and backwash outlet pipe, described water inlet pipe and backwash go out Water intaking valve and backwash outlet valve are respectively equipped with water pipe;Described adsorption filtration chamber interior is provided with least one cylinder type filter core, institute The bottom stating filter core is fixedly connected receipts water pipe and receives the inside that conduit pipeline is communicated to filter core, and described receipts water pipe connects to clear water Pond, described receipts water pipe is provided with adsorption filtration outlet valve, and described clear water reserviors are provided with outlet pipe, and described outlet pipe is provided with clear water Outlet valve.
Preferably, described clear water reserviors are provided with backwash waterpipe, described backwash waterpipe one end is communicated in clear water reserviors Portion, the other end is communicated to the inside of the receipts water pipe between adsorption filtration outlet valve and filter core;Described backwash waterpipe is provided with instead Wash pump, the backwash waterpipe between described backwashing pump and clear water reserviors is provided with control valve before backwashing pump, described backwashing pump and absorption Backwash waterpipe between filter chamber is provided with control valve after backwashing pump.
Preferably, device also includes room of making up a prescription, described chamber interior of making up a prescription is provided with shaft, and described shaft connects stirring Motor;The described room of making up a prescription is connected with described adsorption filtration room by drug feeding pipeline, and described drug feeding pipeline is provided with dosing pump;Described Dosing pump and the drug feeding pipeline made up a prescription between room are provided with control valve before dosing pump, between described dosing pump and adsorption filtration room Drug feeding pipeline is provided with control valve after dosing pump.
Preferably, described oxidation-adsorption filters medicament being made up of flyash, diatomite, calcium hypochlorite, perlite, its master The mass ratio wanting composition is respectively flyash 50%, diatomite 30.5%, calcium hypochlorite 19%, perlite 0.5%.
The method of the present invention be the technical scheme is that a kind of process dyeing waste water method it is characterised in that:
Step 1: dosing;
Open stirring motor medicine to be stirred mix;Open dosing pump, open control valve after dosing pump, before dosing pump Control valve, control valve after closing adsorption filtration outlet valve, backwashing pump, medicine is entered into adsorption filtration room and is substantially adhered to filter core After upper, you can close control valve after dosing pump, control valve before dosing pump, open the work(that adsorption filtration outlet valve recovers normal filtration Energy;
Step 2: oxidation-adsorption filters;
Dyeing waste water imports to adsorption filtration room from water inlet pipe, and waste water enters in internal procedure by the outside of filter core, React with medicine layer on filter core for the absorption, the water after filtration enters into clear water reserviors from receipts water pipe, further in clear water reserviors Discharged by outlet pipe after precipitation process;
Step 3: cleaning;
With constantly carrying out of reaction, the medicament being attached on filter core gradually tends to saturation, and the water flux of crossing of filter core reduces, Cross water pressure to increase, need medicament is changed, filter core is carried out, now open backwashing pump, control before opening backwashing pump Control valve after valve processed, backwashing pump, simultaneously closes off adsorption filtration outlet valve, and clear water is drained into adsorption filtration room to filter core from clear water reserviors Washed away with chamber interior walls, the medicament washing attachment on filter core reaches the purpose of cleaning, and final cleaning fluid is from backwash outlet pipe Discharge;After cleaning finishes, close control valve before backwashing pump, control valve after backwashing pump, open adsorption filtration outlet valve and return to Normal use state.
What the present invention produced has the beneficial effect that the present invention, by rational structure design, processes printing and dyeing in adsorption filtration useless While water, the equipment purging system of complete set and a set of perfect medicine system can also be formed, and easy to operate one-tenth This is low.Oxidation, absorption, filtration are organically incorporated into one by the present invention, can directly industrial dyeing and printing sewage treatment plant terminal be given up Water carries out advanced treating, high treating effect, and the clearance reaching more than 80%, ss to cod clearance reaches more than 99%, the going of colourity Except rate reaches more than 99%, after described PROCESS FOR TREATMENT, waste water quality can reach " integrated wastewater discharge standard " (gb8978- 2002) one-level a standard in is it is achieved that wastewater treatment qualified discharge.
Brief description
Fig. 1 is the apparatus structure schematic diagram of the embodiment of the present invention.
Specific embodiment
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with the accompanying drawings and embodiment is to this Bright be described in further detail it will be appreciated that described herein enforcement example be merely to illustrate and explain the present invention, not For limiting the present invention.
As shown in figure 1, the utilization oxidation-adsorption that the present embodiment provides filters the device of chemicals treatment dyeing waste water, at least wrap Include adsorption filtration room 5, filter core 6, clear water reserviors 8 and receive water pipe 7, described adsorption filtration room 5 and clear water reserviors 8 are containment housing, described It is respectively equipped with water inlet pipe 1 and backwash outlet pipe 3, on described water inlet pipe 1 and backwash outlet pipe 3 above and below adsorption filtration room 5 It is respectively equipped with water intaking valve 2 and backwash outlet valve 4;It is provided with least one cylinder type filter core 6 inside described adsorption filtration room 5, described The bottom of filter core 6 is fixedly connected receives water pipe 7 and receives water pipe 7 pipeline communication to the inside of filter core 6, and described receipts water pipe 7 connects to clear Pond 8, described receipts water pipe 7 is provided with adsorption filtration outlet valve 14, and described clear water reserviors 8 are provided with outlet pipe 12, described outlet pipe 12 are provided with clear water outlet valve 13.In filter process, dyeing waste water imports to adsorption filtration room 5 from water inlet pipe 1, waste water by The outside of filter core 6 enters in internal procedure, reacts with medicine layer on filter core for the absorption, and the water after filtration is from receipts water pipe 7 enter into clear water reserviors 8, are discharged by outlet pipe 12 after the further precipitation process of clear water reserviors.
In the present embodiment, this device also includes room 9 of making up a prescription, being provided with shaft 11, described shaft inside described room 9 of making up a prescription 11 connection stirring motors 10;Make up a prescription room 9 described in connection and adsorption filtration room 5 is provided with drug feeding pipeline 22, in described drug feeding pipeline 22 It is provided with dosing pump 18;Described dosing pump 18 and the drug feeding pipeline 22 made up a prescription between room 9 are provided with control valve 20 before dosing pump, described Drug feeding pipeline 22 between dosing pump 18 and adsorption filtration room 5 is provided with control valve 19 after dosing pump.This part forms equipment Medicine system: when the absorption medicine of filter core is inconspicuous, first adsorption filtration room 5 can be carried out, then open stirring electricity Machine 10 is stirred to medicine mixing.Open dosing pump 18, open control valve 19 after dosing pump, control valve 20 before dosing pump, close Close adsorption filtration outlet valve 14, control valve 16 after backwashing pump, medicine is entered into adsorption filtration room 5 and is substantially adhered on filter core 6 Afterwards, you can close control valve 19 after dosing pump, control valve 20 before dosing pump, open adsorption filtration outlet valve 14 and recover normal filtration Function.Add oxidation-adsorption in this room 9 of making up a prescription and filter medicament, the mass ratio of the main component of medicament is respectively flyash (50%), diatomite (30.5%), calcium hypochlorite (19%), perlite (0.5%), the medicament being stirred is added to by dosing pump 18 Filter chamber 5, forms the filter layer of one layer of uniform high-efficiency on filter core 6.Sewage passes through water inlet 1 and inlet valve 2 enters into suction Attached filter chamber 5, waste water makes the polluter in sewage be degraded when by filter core 6 through medicament attached thereto and cuts Stay, reach the function of oxidation-adsorption filtration.
In the present embodiment, clear water reserviors 8 are provided with backwash waterpipe 21, and described backwash waterpipe 21 one end is communicated to clear water reserviors Inside 8, the other end is communicated to the inside of the receipts water pipe 7 between adsorption filtration outlet valve 14 and filter core 6;Described backwash waterpipe 21 It is provided with backwashing pump 15, the backwash waterpipe 21 between described backwashing pump 15 and clear water reserviors 8 is provided with control valve 17 before backwashing pump, Backwash waterpipe 21 between described backwashing pump 15 and adsorption filtration room 5 is provided with control valve 16 after backwashing pump.This part is formed The purging system of equipment: with constantly carrying out of reaction, the medicament being attached on filter core 6 gradually tends to saturation, the water excessively of filter core 6 Flux reduces, and crosses water pressure and increases, need medicament is changed, filter core 6 is carried out, now opens motor, opens anti- Wash control valve 17 before pump, control valve 16 after backwashing pump, simultaneously close off adsorption filtration outlet valve 14, clear water is drained into from clear water reserviors 8 Adsorption filtration room 5 is washed away to filter core and chamber interior walls, and the medicament washing attachment on filter core 6 reaches the purpose of cleaning, finally Cleaning fluid is discharged from backwash outlet pipe 3;After cleaning finishes, close control valve 17 before backwashing pump, control valve 16 after backwashing pump, beat Open adsorption filtration outlet valve 14 and return to normal use state.
After above-mentioned operation, whole technique achieves the operating of a complete cycle, is so repeated and to sewage Carry out loop cycle process, reach the purpose of circulation work, extend the service life of equipment.
Although this specification more employs water inlet pipe 1, water intaking valve 2, backwash outlet pipe 3, backwash outlet valve 4, absorption Filter chamber 5, filter core 6, receipts water pipe 7, clear water reserviors 8, room 9 of making up a prescription, stirring motor 10, shaft 11, outlet pipe 12, clear water outlet valve 13rd, adsorption filtration outlet valve 14, backwashing pump 15, control valve 16 after backwashing pump, control valve 17, dosing pump 18, dosing before backwashing pump The term such as control valve 20, backwash waterpipe 21, drug feeding pipeline 22 before control valve 19 after pump, dosing pump, but be not precluded from using it The possibility of his term.It is used for the purpose of more easily describing the essence of the present invention using these terms, be construed as appointing A kind of what additional restriction is all contrary with spirit of the present invention.
It should be appreciated that the part that this specification does not elaborate belongs to prior art.
It should be appreciated that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this The restriction of invention patent protection scope, those of ordinary skill in the art, under the enlightenment of the present invention, is weighing without departing from the present invention Profit requires under protected ambit, can also make replacement or deform, each fall within protection scope of the present invention, this Bright scope is claimed should be defined by claims.

Claims (3)

1. a kind of method that utilization oxidation-adsorption filters chemicals treatment dyeing waste water, is applied to one kind and filters medicine using oxidation-adsorption Agent processes in the device of dyeing waste water, and described device includes adsorption filtration room (5), filter core (6), clear water reserviors (8) and receives water pipe (7);Described adsorption filtration room (5) and clear water reserviors (8) are containment housing, set respectively above and below described adsorption filtration room (5) Have water inlet pipe (1) and backwash outlet pipe (3), described water inlet pipe (1) and backwash outlet pipe (3) are respectively equipped with water intaking valve (2) and Backwash outlet valve (4);It is provided with least one cylinder type filter core (6), the bottom of described filter core (6) inside described adsorption filtration room (5) Portion is fixedly connected receives water pipe (7) and receives water pipe (7) pipeline communication to the inside of filter core (6), and described receipts water pipe (7) connects to clear water Pond (8), described receipts water pipe (7) are provided with adsorption filtration outlet valve (14), and described clear water reserviors (8) are provided with outlet pipe (12), institute State outlet pipe (12) and be provided with clear water outlet valve (13);Described oxidation-adsorption filters medicament by flyash, diatomite, hypochlorous acid Calcium, perlite composition, the mass ratio of its composition is respectively flyash 50%, diatomite 30.5%, calcium hypochlorite 19%, perlite 0.5%;
It is characterized in that, the method comprising the steps of:
Step 1: dosing;
Open stirring motor (10) medicine to be stirred mix;Open dosing pump (18), open control valve (19) after dosing pump, Control valve (20) before dosing pump, control valve (16) after closing adsorption filtration outlet valve (14), backwashing pump, medicine is entered into absorption Filter chamber (5) be substantially adhered to filter core (6) upper after, you can close control valve (19) after dosing pump, control valve (20) before dosing pump, Open the function that adsorption filtration outlet valve (14) recovers normal filtration;
Step 2: oxidation-adsorption filters;
Dyeing waste water imports to adsorption filtration room (5) from water inlet pipe (1), and waste water enters into internal mistake by the outside of filter core (6) Cheng Zhong, is reacted with medicine layer on filter core (6) for the absorption, the water after filtration enters into clear water reserviors (8) from receipts water pipe (7), Pass through outlet pipe (12) to discharge after the further precipitation process of clear water reserviors;
Step 3: cleaning;
With constantly carrying out of reaction, the medicament being attached on filter core (6) gradually tends to saturation, and the water flux of crossing of filter core (6) subtracts Little, cross water pressure and increase, need medicament is changed, filter core (6) is carried out, now open backwashing pump (15), open Control valve (16) after control valve (17) before backwashing pump, backwashing pump, simultaneously closes off adsorption filtration outlet valve (14), clear water is from clear water reserviors (8) it is drained into adsorption filtration room (5) filter core (6) and chamber interior walls are washed away, the medicament washing the upper attachment of filter core (6) reaches The purpose of cleaning, final cleaning fluid is discharged from backwash outlet pipe (3);After cleaning finishes, close backwashing pump before control valve (17), Control valve (16) after backwashing pump, open adsorption filtration outlet valve (14) and return to normal use state.
2. utilization oxidation-adsorption according to claim 1 filter chemicals treatment dyeing waste water method it is characterised in that: institute State clear water reserviors (8) and be provided with backwash waterpipe (21), it is internal, separately that described backwash waterpipe (21) one end is communicated to clear water reserviors (8) One end is communicated to the inside of the receipts water pipe (7) between adsorption filtration outlet valve (14) and filter core (6);Described backwash waterpipe (21) It is provided with backwashing pump (15), before the backwash waterpipe (21) between described backwashing pump (15) and clear water reserviors (8) is provided with backwashing pump Control valve (17), the backwash waterpipe (21) between described backwashing pump (15) and adsorption filtration room (5) is controlled after being provided with backwashing pump Valve (16) processed.
3. utilization oxidation-adsorption according to claim 1 filter chemicals treatment dyeing waste water method it is characterised in that: institute State device and also include room (9) of making up a prescription, inside described room of making up a prescription (9), be provided with shaft (11), described shaft (11) connects stirring Motor (10);Described room of making up a prescription (9) is connected with described adsorption filtration room (5) by drug feeding pipeline (22), described drug feeding pipeline (22) it is provided with dosing pump (18);Drug feeding pipeline (22) between described dosing pump (18) and room of making up a prescription (9) is provided with dosing pump Front control valve (20), the drug feeding pipeline (22) between described dosing pump (18) and adsorption filtration room (5) is controlled after being provided with dosing pump Valve (19) processed.
CN201510220221.4A 2015-05-04 2015-05-04 Method for treating printing and dyeing wastewater by using oxidative adsorption filtration agent Active CN104843900B (en)

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Publication number Priority date Publication date Assignee Title
GB610075A (en) * 1946-01-09 1948-10-11 Tecalemit Ltd Improvements relating to multiple filters
CN102716609B (en) * 2012-06-27 2014-04-30 昆山华科膜环保科技有限公司 Concentration filtering device
CN202682890U (en) * 2012-07-18 2013-01-23 南京中电环保工程有限公司 Filter for industrial water treatment
CN204644010U (en) * 2015-05-04 2015-09-16 湖北君集水处理有限公司 A kind of device utilizing oxidation-adsorption to filter chemicals treatment dyeing waste water

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Address after: 430000, No.3, Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province

Patentee after: Junji Environmental Technology Co.,Ltd.

Address before: 430000, No.3, Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province

Patentee before: HUBEI JUNJI WATER TREATMENT Co.,Ltd.

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Denomination of invention: A method of treating printing and dyeing wastewater by oxidation adsorption and filtration agent

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