CN211445425U - Efficient dyeing and finishing effluent disposal system - Google Patents

Abstract

The utility model relates to an efficient dyeing and finishing effluent disposal system, have catch basin and disinfection unit, still include physics interception unit, the regulating unit, the colourity processing unit, the integrated processing unit, combination filter unit and mud collecting pit, still be equipped with the air supporting pond between integrated processing unit and the combination filter unit, wherein physics interception unit, the catch basin, the regulating unit, the colourity processing unit, the air supporting pond, the integrated processing unit, combination filter unit and disinfection unit connect gradually, waste water is through physics interception unit, the catch basin, the regulating unit, the colourity processing unit, the air supporting pond, integrated processing unit and combination filter unit, finally to the disinfection unit, through the cyclic utilization between the disinfection processing back carriage return. The utility model aims at overcoming the defects in the prior art and providing an efficient dyeing and finishing wastewater treatment system.

Description

Efficient dyeing and finishing effluent disposal system

Technical Field

The utility model belongs to the technical field of dyeing and finishing water treatment and specifically relates to an efficient dyeing and finishing effluent disposal system.

Background

The dyeing and finishing process is to reproduce various designs and patterns on a white blank by using a dyeing and finishing technology, so that the fabric is more attractive in appearance and artistic. The process mainly comprises four processing procedures of raw silk and fabric refining, dyeing, printing and finishing, a large amount of waste water is often discharged in the series of processing procedures, the waste water mainly contains fiber pollutants, coated grease and salts, and a large amount of pollutants such as various sizing agents, auxiliary agents, dyes, surfactants and the like added in the processing procedure, and most of the chemical substances are difficult to directly degrade, so that the quality of the waste water becomes complex and changeable and is difficult to degrade. Even if the prior dyeing and finishing wastewater is discharged after being treated, the wastewater treatment effect is not ideal, the water quality obtained by a whole set of process does not reach the standard, and the national discharge standard can be reached after multiple times of circulating treatment.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art and providing an efficient dyeing and finishing wastewater treatment system.

Realize the utility model discloses the technical scheme of purpose is: an efficient dyeing and finishing wastewater treatment system is provided with a water collecting tank and a disinfection unit; the device also comprises a physical interception unit, an adjusting unit, a chromaticity processing unit, a comprehensive processing unit, a combined filtering unit and a sludge collection tank 00; the wastewater sequentially passes through a physical interception unit, a water collecting tank, an adjusting unit, a chromaticity processing unit, a comprehensive processing unit, a combined filtering unit and a disinfection unit; an air floatation tank is also arranged between the comprehensive treatment unit and the combined filtering unit.

Further, the physical intercepting unit comprises a plurality of groups of intercepting grids with sequentially reduced aperture.

Further, ferrous sulfate is added into the adjusting unit, and the pH value of the wastewater is adjusted to 7-9.

Furthermore, a decolorant and a coagulant aid are added into the chrominance processing unit, and the sludge output in the chrominance processing unit is connected with a sludge collecting tank.

Further, the comprehensive treatment unit is an anaerobic hydrolysis tank and a contact oxidation tank; the anaerobic hydrolysis tank is arranged before the contact oxidation tank.

Further, the effective retention time of the anaerobic hydrolysis tank is 9 hours; and a pulse water distributor is arranged in the anaerobic hydrolysis tank.

Furthermore, a plurality of galleries are arranged in the contact oxidation pond, and an elastic three-dimensional filler is suspended in each gallery; an aeration head is arranged at the bottom of the contact oxidation tank, and air is provided by a fan.

Further, the combined filter unit comprises a sand filter device and an activated carbon filter device, and the sand filter device is arranged in front of the activated carbon filter device.

Furthermore, the sand filter device adopts a back-flushing sand filter.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses physics interception unit 2 sets up the multiunit grid that reduces in proper order to the aperture, compares with the grid that the aperture is the same, and the speed of passing through of its waste water is faster, and the interception effect is better. The PH value of the wastewater is adjusted to a state convenient for post-process treatment in the adjusting unit. The comprehensive treatment unit removes most organic matters and suspended matters in the wastewater, and the air floatation tank is used for removing solid or liquid particles of hydrophobic groups in the wastewater, so that solid-liquid separation or liquid-liquid separation is realized. The combined filtration adopts a backwashing sandstone filter and an activated carbon filtration device which are combined, the backwashing sandstone filter mainly takes quartz sand as a filtration medium, can effectively intercept and remove suspended matters, organic matters, colloid particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in water, and clarifies wastewater, and the activated carbon filtration device can deodorize, remove color, dechlorinate, remove organic matters, heavy metals, synthetic detergents, radioactive substances and the like, and has good combined filtration effect.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic diagram of the system structure of the present invention.

The reference numbers in the drawings are as follows: the device comprises a water collecting tank 1, a physical intercepting unit 2, an adjusting unit 3, a chromaticity processing unit 4, an air floatation tank 5, a comprehensive processing unit 6, a combined filtering unit 7 and a sludge collecting tank 00.

Detailed Description

(example 1)

See fig. 1, the utility model discloses have catch basin 1 and disinfection unit, still include physics interception unit 2, regulating unit 3, colourity processing unit 4, integrated processing unit 6, combination filter unit 7 and mud collecting pit 00, still be equipped with air supporting pond 5 between integrated processing unit 6 and the combination filter unit 7, wherein physics interception unit 2, catch basin 1, regulating unit 3, colourity processing unit 4, air supporting pond 5, integrated processing unit 6, combination filter unit 7 and disinfection unit connect gradually, waste water is through physics interception unit 2, catch basin 1, regulating unit 3, colourity processing unit 4, air supporting pond 5, integrated processing unit 6 and combination filter unit 7, finally to the disinfection unit, go back to the workshop circulation after the disinfection processing and use.

More specifically in this embodiment, physics interception unit 2 includes the multiunit interception grid that the aperture reduces in proper order, is used for filtering the floater and the suspended solid that the diameter is different, it has ferrous sulfate to add in the regulating unit 3, according to detecting the waste water pH value in the regulating unit 3, add proper amount ferrous sulfate, adjust waste water pH value to 7-9, waste water has the primary settlement time in the regulating unit 3, can carry out preliminary sedimentation, the mud output of regulating unit 3 connects mud collecting pit 00, the operation personnel need regularly carry out the desilting to the bottom of the pool of regulating unit 3.

More specifically, in this embodiment, a decoloring agent and a coagulant aid are added to the chroma processing unit 4, and after the decoloring agent and the coagulant aid are added, stirring is performed to facilitate uniform dispersion and standing of the added additive, the decoloring agent is added first in the adding process, and then the coagulant aid is added, wherein the decoloring agent and the coagulant aid are prepared by using existing corresponding products, and the sludge obtained by standing and settling is output to the sludge collection tank 00.

More specifically, in this embodiment, the comprehensive treatment unit 6 includes an anaerobic hydrolysis tank and a contact oxidation tank, the anaerobic hydrolysis tank is arranged in front of the contact oxidation tank, the effective retention time of the anaerobic hydrolysis tank is 9 hours, a pulse water distributor is arranged in the anaerobic hydrolysis tank, the intermittent water distribution has a stirring and flushing effect on the anaerobic hydrolysis tank, and can prevent the problems of dead water, short flow, adhesion layer blockage and the like, a plurality of galleries are arranged in the contact oxidation tank, an elastic three-dimensional filler is suspended in each gallery, an aeration head is arranged at the bottom of the contact oxidation tank, and air is provided by a fan.

More specifically, in this embodiment, the combined filter unit 7 includes a sand filter device and an activated carbon filter device, the sand filter device is disposed in front of the activated carbon filter device, the sand filter device adopts a back-flushing sand filter, the inside of the sand filter device adopts a double-layer structure, the upper part of the filter plate is a sand bed and an impurity storage space, and the lower part of the filter plate is a filtered water circulation space, which mainly utilizes quartz sand as a filter medium, and can effectively intercept and remove suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in water, so as to clarify water.

More specifically, in this embodiment, the filtered water passing through the combined filter unit 7 is sent to a sterilizing unit for sterilization, and the sterilizing unit may generate ozone by an ozone generator and then sterilize and sterilize the water using the ozone.

More specifically, in this embodiment, the supernatant of the sludge collection tank 00 is returned to the conditioning unit 3, the remaining sludge is dewatered and pressed into cakes, the percolate generated during dewatering is also returned to the conditioning unit 3, and the cakes are transported to landfill.

The wastewater in the above embodiment is conveyed by a water lift pump.

The utility model discloses a theory of operation does: large-particle suspended matters and solid garbage are intercepted by dyeing and finishing wastewater through a physical intercepting unit 2, the wastewater after physical filtration enters a water collecting tank 1 and is sent into a regulating unit 3 through a water pump, proper ferrous sulfate is added to regulate the pH of the wastewater to 7-9 according to the measured pH of the wastewater, the wastewater has primary settling time in the regulating unit 3, pollutants which are easy to settle are primarily settled, settled sludge at the bottom of the regulating unit 3 is periodically cleaned, and the sludge is sent to a sludge collecting tank 00 to wait for treatment; the wastewater passing through the adjusting unit 3 enters a chromaticity processing unit 4, most chromaticity and suspended particles in the wastewater are removed through stirring and standing by a decolorizing agent and a coagulant aid added in the processing unit 4, and the sludge obtained through standing and settling is sent to a sludge collecting tank 00 to wait for processing; the wastewater after the treatment is sent to a comprehensive treatment unit 6 to remove most organic matters, then solid or liquid particles of hydrophobic groups in the wastewater are removed through an air flotation tank 5, then impurity filtration and active carbon deodorization are carried out through a combined filtration unit 7, then sterilization and disinfection are carried out through a disinfection unit, and finally the wastewater returns to a factory for recycling.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. An efficient dyeing and finishing wastewater treatment system is provided with a water collecting tank (1) and a disinfection unit; the method is characterized in that: the device also comprises a physical interception unit (2), a regulating unit (3), a chromaticity processing unit (4), a comprehensive processing unit (6), a combined filtering unit (7) and a sludge collecting tank (00); the wastewater sequentially passes through a physical interception unit (2), a water collecting tank (1), an adjusting unit (3), a chromaticity processing unit (4), a comprehensive processing unit (6), a combined filtering unit (7) and a disinfection unit; an air floatation tank (5) is also arranged between the comprehensive treatment unit (6) and the combined filtering unit (7).

2. The efficient dyeing and finishing wastewater treatment system of claim 1, wherein: the physical interception unit (2) comprises a plurality of groups of interception gratings with sequentially reduced apertures.

3. The efficient dyeing and finishing wastewater treatment system of claim 1, wherein: ferrous sulfate is added in the adjusting unit (3) to adjust the pH value of the wastewater to 7-9.

4. The efficient dyeing and finishing wastewater treatment system of claim 1, wherein: a decolorant and a coagulant aid are added into the chrominance processing unit (4), and the sludge output in the chrominance processing unit (4) is connected with a sludge collecting tank (00).

5. The efficient dyeing and finishing wastewater treatment system of claim 1, wherein: the comprehensive treatment unit (6) is an anaerobic hydrolysis tank and a contact oxidation tank; the anaerobic hydrolysis tank is arranged before the contact oxidation tank.

6. The system of claim 5, wherein the wastewater treatment system comprises: the effective retention time of the anaerobic hydrolysis tank is 9 h; and a pulse water distributor is arranged in the anaerobic hydrolysis tank.

7. The system of claim 5, wherein the wastewater treatment system comprises: a plurality of galleries are arranged in the contact oxidation pond, and an elastic three-dimensional filler is suspended in each gallery; an aeration head is arranged at the bottom of the contact oxidation tank, and air is provided by a fan.

8. The efficient dyeing and finishing wastewater treatment system of claim 1, wherein: the combined filtering unit (7) comprises a sand filtering device and an active carbon filtering device, and the sand filtering device is arranged in front of the active carbon filtering device.

9. The efficient dyeing and finishing wastewater treatment system of claim 8, wherein: the sand-stone filtering device adopts a back-flushing sand-stone filter.

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