CN210711155U

CN210711155U - Printing and dyeing reclaimed water recycling system

Info

Publication number: CN210711155U
Application number: CN201921273809.6U
Authority: CN
Inventors: 孙子刚
Original assignee: Changshu Fuyi Printing And Dyeing Co ltd
Current assignee: Changshu Fuyi Printing And Dyeing Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a printing and dyeing reclaimed water recycling system relates to waste water treatment equipment technical field, aims at solving the problem that can not energy saving and emission reduction among the prior art. The technical scheme is characterized by comprising a waste water tank, a filtering tank, a dosing tank, an aerobic tank, an air flotation reaction tank, a disinfection tank and a purified water storage tank which are connected in sequence; a filtering device for filtering impurities is arranged in the filtering tank, and through grooves for the filtering device to slide out of the filtering tank are formed in two side walls of the filtering tank along the width direction of the filtering tank; the filter equipment all stretches into the logical inslot that corresponds along filtering ponds width direction's both ends, and filter equipment's lateral wall and the inside wall laminating that leads to the groove. When the device is used, dyeing wastewater with medium color and light color sequentially flows through the filtering tank, the dosing tank, the aerobic tank, the air flotation reaction tank and the disinfection tank for treatment, and then the treated dyeing wastewater can be used for dyeing dark cloth, so that the effects of energy conservation and emission reduction are achieved.

Description

Printing and dyeing reclaimed water recycling system

Technical Field

The utility model belongs to the technical field of waste water treatment equipment technique and specifically relates to a printing and dyeing reuse of reclaimed water system is related to.

Background

The annual water consumption of the textile industry in China is more than 90 hundred million tons, wherein the total water consumption of the printing and dyeing industry is that 70 percent of fresh water in the textile industry takes 60 hundred million tons, which accounts for 88 percent of the fresh water in the textile industry, and the reuse rate is low, so that the printing and dyeing industry is a large water consumer and a large sewage discharge consumer. However, the dyeing wastewater for dyeing the medium and light colors in the printing and dyeing process contains less pollutants such as dye and the like, and can be used for dyeing dark-colored cloth after treatment.

The current Chinese patent with the publication number of CN209065668U discloses a printing and dyeing sewage treatment system, which comprises a machine body, wherein the lower part of the machine body is connected with a plurality of support columns, an air flotation zone is arranged inside the machine body, the upper part of the left side of the machine body is provided with a first water inlet pipe, the right side of the first water inlet pipe is connected with a water distributor, the left side of the water distributor is provided with a plurality of fixed rods, the left ends of the fixed rods are connected with the inner side of the left side wall of the machine body, the water distributor comprises a water distribution header pipe connected with the first water inlet pipe, the lower part of the water distribution header pipe is connected with a plurality of water.

However, the above prior art solutions have the following drawbacks: the dyeing wastewater with medium and light colors in the printing and dyeing processing purifies toxic substances in the dyeing wastewater through air flotation treatment and biological oxidation simple treatment, but some fiber impurities and organic dyes exist in the dyeing wastewater, so that the dyeing wastewater cannot be used for dyeing dark cloth and can only be discharged as sewage, and the effects of water saving and emission reduction cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a printing and dyeing reuse of reclaimed water system, it has water conservation and emission reduction's effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a dyeing reclaimed water recycling system comprises a wastewater tank, a filter tank, a dosing tank, an aerobic tank, an air flotation reaction tank, a disinfection tank and a purified water storage tank which are connected in sequence; a filtering device for filtering impurities is arranged in the filtering tank, and through grooves for the filtering device to slide out of the filtering tank are formed in two side walls of the filtering tank along the width direction of the filtering tank; the filter equipment all stretches into the logical inslot that corresponds along filtering ponds width direction's both ends, filter equipment's lateral wall and the laminating of the inside wall that leads to the groove.

By adopting the technical scheme, when the device is used, dyeing wastewater with medium color and light color sequentially flows through the filtering tank, the dosing tank, the aerobic tank, the air flotation reaction tank and the disinfection tank for treatment, and then the treated dyeing wastewater can be used for dyeing dark color cloth, so that the effects of energy conservation and emission reduction are achieved. And the filtering device can slide out of the filtering tank, so that the filtering device is convenient to replace and clean.

The utility model discloses can further set up to: the filter device comprises a plurality of filter screens, and the filter screens are sequentially arranged along the length direction of the filter tank and the filter holes are sequentially reduced.

Through adopting above-mentioned technical scheme, filter equipment includes that a plurality of filter screens and filtration pore reduce in proper order, can carry out the stage filtration to dyeing waste water, can filter the fibre impurity and the dyestuff material in the dyeing waste water to the effect of waste water clearance has been improved.

The utility model discloses further set up to: the filter device also comprises a support plate arranged at the bottom end of the filter screen.

Through adopting above-mentioned technical scheme, pile up in the backup pad by the filterable fibre impurity of filter screen and dyestuff material, can promote filter equipment and make filter equipment break away from the filtering ponds to clean the backup pad, made things convenient for the clearance of sediment impurity.

The utility model discloses further set up to: fixing plates are arranged at two ends of the supporting plate along the width direction of the filtering tank, and the two fixing plates are attached to the inner side walls of the corresponding through grooves; the utility model discloses a filter tank, including filter tank, fixed plate, logical groove, spacing groove, fixing rod, fixing plate, logical groove, two inside walls along filter tank length direction all are provided with the mounting hole corresponding with the spacing groove, it is provided with the dead lever to slide in the mounting hole, the one end of dead lever stretches into the spacing groove and is hemispherical, be provided with the elastic component that prevents that the dead lever from breaking away from the mounting hole in the mounting hole.

Through adopting above-mentioned technical scheme, when placing filter equipment, filter equipment stretches into logical inslot and the hemispherical tip of dead lever offsets, and the dead lever removes to the one end of keeping away from filter equipment, and when spacing groove and mounting hole corresponded, the dead lever was hemispherical tip and stretches into the spacing inslot under the elastic action of elastic component to firmly fix filter equipment in the filter tank.

The utility model discloses further set up to: the fixing rod is provided with a limiting block, the limiting block is located in the mounting hole, the elastic piece comprises a spring, one end of the spring is connected with the inner wall of the mounting hole, and the other end of the spring is connected with the fixing rod.

Through adopting above-mentioned technical scheme, when filter equipment is at the in-process of placing, fixed plate and dead lever are hemispherical tip and offset, and the dead lever removes to the one end of keeping away from filter equipment, and the spring is compressed, and when spacing groove and mounting hole corresponded, the dead lever stretched into the spacing groove under the elastic force of spring to made things convenient for the dead lever to resume to initial position.

The utility model discloses further set up to: and sealing rings are arranged between the fixing plate and the inner side wall of the through groove.

Through adopting above-mentioned technical scheme, after having placed filter equipment, the sealing washer is in the state of compression, has further increased the leakproofness between fixed plate and the logical groove.

The utility model discloses further set up to: all be provided with the band on the inside wall that leads to the groove, the band extends to on its width direction of filter tank and the corresponding lateral wall.

Through adopting above-mentioned technical scheme, at the in-process of placing filter equipment, fixed plate and logical groove mutual contact and produce the friction, and be provided with on the inside wall that leads to the groove and band, can avoid fixed plate and lead to the groove contact and lead to the fact the damage to leading to the groove.

The utility model discloses further set up to: the aerobic tank is provided with baffles on two inner side walls along the sewage flowing direction, one end of each baffle is fixedly connected with the inner side wall corresponding to the aerobic tank, and the other end of each baffle is inclined downwards.

By adopting the technical scheme, the baffle increases the flow path of the dyeing wastewater, and increases the reaction time of the dyeing wastewater and aerobic bacteria, thereby improving the wastewater purification effect.

To sum up, the utility model discloses a beneficial technological effect does:

1. the filtering tank, the aerobic tank and the air floatation tank are arranged, so that the effects of energy conservation and emission reduction are achieved;

2. the sealing performance of the fixing plate and the through groove is further improved through the arrangement of the sealing ring;

3. through the setting of baffle, improved waste water purification's effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a system for recycling printing and dyeing reclaimed water according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filtering apparatus according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a filter tank and a fixing plate according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a sectional view of an aerobic tank according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an air flotation reaction tank according to an embodiment of the present invention.

In the figure, 1, a waste water tank; 11. a valve; 2. a filtration tank; 21. a filtration device; 22. a through groove; 23. a filter screen; 24. a support plate; 25. a fixing plate; 26. a seal ring; 27. edging; 3. a medicine adding pool; 4. an aerobic tank; 41. a baffle plate; 5. an air flotation reaction tank; 51. air floatation and air dissolution equipment; 52. slag scraping equipment; 6. a disinfection tank; 7. a purified water storage tank; 8. a limiting groove; 81. mounting holes; 811. a guide hole; 812. positioning holes; 82. fixing the rod; 83. a spring; 84. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a printing and dyeing reclaimed water recycling system, including waste water tank 1, filtering ponds 2, dosing pond 3, good oxygen pond 4, air supporting reaction tank 5, disinfection pond 6, water purification storage tank 7 that connect gradually through the pipeline. Be provided with the filter equipment 21 that is used for filtering impurity in the filtering ponds 2, all be provided with the logical groove 22 that supplies filter equipment 21 roll-off filtering ponds 2 on two lateral walls of filtering ponds 2 along its width direction, filter equipment 21 all stretches into corresponding logical groove 22 along the both ends of 2 width directions of filtering ponds. A valve 11 is arranged on a pipeline between the wastewater tank 1 and the filtering tank 2, and the on-off of water flow can be controlled. The flocculating agent is put into the chemical adding pool 3, so that tiny impurities in the filtered dyeing wastewater can collide with each other, and flocculent precipitates are formed.

Referring to fig. 1 and 2, the filtering apparatus 21 includes three filtering nets 23, and the three filtering nets 23 are sequentially disposed along the length direction of the filtering tank 2 and filtering holes are sequentially reduced. Filter equipment 21 still includes the backup pad 24 of fixed connection in filter screen 23 bottom, and backup pad 24 all is provided with fixed plate 25 along 2 width direction's of filtering ponds both ends, and the fixed plate 25 lateral wall is provided with sealing washer 26, and sealing washer 26 laminates with the inside wall that leads to groove 22 mutually. The inside walls of the through slots 22 are provided with rims 27, and the rims 27 extend to the corresponding side walls of the filter tank 2 along the width direction.

Referring to fig. 3 and 4, the fixing plate 25 is provided with a limiting groove 8 on each of two side walls along the length direction of the filtering tank 2, the through groove 22 is provided with a mounting hole 81 corresponding to the limiting groove 8 on each of two inner side walls along the length direction of the filtering tank 2, specifically, the mounting hole 81 includes a guide hole 811 and a positioning hole 812 which are sequentially arranged from inside to outside, and the diameter of the guide hole 811 is smaller than that of the positioning hole 812. The fixing rod 82 is slidably arranged in the mounting hole 81, one end of the fixing rod 82 extends into the limiting groove 8 and is hemispherical, the other end of the fixing rod 82 extends into the positioning hole 812 and is connected with an elastic part, in the embodiment, the elastic part is a spring 83, one end of the spring 83 is connected with the bottom wall of the positioning hole 812, and the other end of the spring 83 is connected with the fixing rod 82. The fixing rod 82 is sleeved with a limiting block 84, and the limiting block 84 is annular and located in the positioning hole 812.

Referring to fig. 5 and 6, two inner side walls of the aerobic tank 4 in the wastewater flowing direction are respectively provided with two baffles 41, the baffles 41 are arranged in the vertical direction and are positioned below a connecting port of the aerobic tank 4 and the dosing tank 3 (refer to fig. 1), one end of each baffle 41 is fixedly connected with the corresponding inner side wall of the aerobic tank 4, and the other end of each baffle 41 inclines downwards. The air flotation reaction tank 5 is provided with an air flotation air dissolving device 51 and a slag scraping device 52, and the air flotation reaction tank 5 is connected with the air flotation air dissolving device 51 through a pipeline.

The implementation principle of the embodiment is as follows:

during the use, the dyeing waste water of dyeing medium and light color in waste water tank 1 at first flows through filtering ponds 2, and filter equipment 21 in filtering ponds 2 filters particulate impurity, and the rivers after filtering add medicine pond 3, thereby add the flocculating agent in the medicine pond 3 can make the tiny impurity in the dyeing waste water collide each other and form the flocculent precipitate and sink to the bottom of the pool, then dyeing waste water flows into aerobic tank 4, impels dyeing waste water to take place aerobic reaction, gets rid of most organic matters in the dyeing waste water. Then flows into an air floatation reaction tank 5, so that a large amount of micro bubbles adsorb fine particles to float upwards, the fine particles in the dyeing wastewater are removed, and finally the water after passing through a disinfection tank 6 flows into a purified water storage tank 7 to wait for secondary use.

When the filter device 21 needs to be detached, the valve 11 is closed first, then the filter device 21 is pushed, the filter device 21 slides in the through groove 22 under the guiding action of the hemispherical end of the fixing rod 82, and the fixing rod 82 moves to the end far away from the filter device 21. When the fixing rod 82 is separated from the limiting groove 8, the filtering device 21 can be separated from the filtering tank 2 by pushing the filtering device 21.

When the filtering device 21 needs to be installed, the filtering device 21 corresponds to the through groove 22, the filtering device 21 is pushed to enable the filtering device 21 to move in the through groove 22, when the fixing plate 25 abuts against the hemispherical end of the fixing rod 82, the fixing rod 82 moves towards one end far away from the filtering device 21, the spring 83 is compressed, and when the limiting groove 8 corresponds to the installation hole 81, the fixing rod 82 extends into the limiting groove 8 under the elastic acting force of the spring 83, so that the filtering device 21 is firmly fixed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a printing and dyeing reclaimed water recycling system which characterized in that: comprises a waste water tank (1), a filter tank (2), a dosing tank (3), an aerobic tank (4), an air flotation reaction tank (5), a disinfection tank (6) and a purified water storage tank (7) which are connected in sequence; a filtering device (21) for filtering impurities is arranged in the filtering tank (2), and through grooves (22) for the filtering device (21) to slide out of the filtering tank (2) are formed in two side walls of the filtering tank (2) along the width direction; filter equipment (21) all stretch into corresponding logical groove (22) along filtering ponds (2) width direction's both ends in, the lateral wall of filter equipment (21) and the inside wall laminating that leads to groove (22).

2. The printing and dyeing reclaimed water recycling system according to claim 1, characterized in that: the filtering device (21) comprises a plurality of filtering nets (23), and the filtering nets (23) are sequentially arranged along the length direction of the filtering tank (2) and the filtering holes are sequentially reduced.

3. The printing and dyeing reclaimed water recycling system according to claim 2, characterized in that: the filtering device (21) also comprises a supporting plate (24) arranged at the bottom end of the filtering net (23).

4. The printing and dyeing reclaimed water recycling system according to claim 3, characterized in that: fixing plates (25) are arranged at two ends of the supporting plate (24) along the width direction of the filtering tank (2), and the two fixing plates (25) are attached to the inner side walls of the corresponding through grooves (22); all be provided with spacing groove (8) on fixed plate (25) along filtering ponds (2) length direction's two lateral walls, lead to groove (22) and all be provided with mounting hole (81) corresponding with spacing groove (8) along filtering ponds (2) length direction's two inside walls, mounting hole (81) internal slipping is provided with dead lever (82), the one end of dead lever (82) stretches into spacing groove (8) and is hemispherical, be provided with the elastic component that prevents dead lever (82) and break away from mounting hole (81) in mounting hole (81).

5. The printing and dyeing reclaimed water recycling system according to claim 4, characterized in that: be provided with stopper (84) on dead lever (82), stopper (84) are located mounting hole (81), the elastic component includes spring (83), the one end of spring (83) is connected with the inner wall of mounting hole (81), the other end of spring (83) is connected with dead lever (82).

6. The printing and dyeing reclaimed water recycling system according to claim 5, characterized in that: and sealing rings (26) are arranged between the fixing plate (25) and the inner side wall of the through groove (22).

7. The printing and dyeing reclaimed water recycling system according to claim 4, characterized in that: all be provided with band (27) on the inside wall of logical groove (22), band (27) extend to filter tank (2) along its width direction and on the corresponding lateral wall.

8. The printing and dyeing reclaimed water recycling system according to claim 1, characterized in that: the aerobic tank (4) is provided with baffle plates (41) on two inner side walls along the sewage flowing direction, one end of each baffle plate (41) is fixedly connected with the inner side wall corresponding to the aerobic tank (4), and the other end of each baffle plate (41) is inclined downwards.