CN207904051U

CN207904051U - A kind of device for processing papermaking wastewater

Info

Publication number: CN207904051U
Application number: CN201721303398.1U
Authority: CN
Inventors: 杨彦鹏
Original assignee: Hebei Environmental Protection Technology Co Ltd
Current assignee: Hebei Environmental Protection Technology Co Ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2018-09-25
Anticipated expiration: 2027-10-11

Abstract

The utility model provides a kind of device for processing papermaking wastewater, including by the sequentially connected grid pond of conduit, filter pulp pond, remove color pond, flocculation basin, inclined-plate clarifying basin, aeration tank, secondary settling tank, Fenton reaction tanks, settling tank and collecting-tank, flocculation basin, secondary settling tank and settling tank are connect by mud guiding tube with sludge concentration tank, sludge concentration tank also connect with dewaterer and is connected by sludge condensation pipe, and dewaterer is connect by the first return duct with filter pulp pond with sludge concentration tank bottom.It is described in the utility model that loose colour in waste water is adsorbed using activated carbon, both cost is saved, also improve treatment effeciency, subsequent processing is carried out to the mud of sedimentation using sludge concentration tank and dewaterer, can will treated that mud is otherwise utilized, reduce the waste of resource, advanced treating carried out to waste water using Fenton reaction tanks, the remaining standard discussed bio-refractory organic matter, be water quality reaches discharge in waste water can effectively be solved.

Description

A kind of device for processing papermaking wastewater

Technical field

The utility model belongs to effluent purifying device technical field, more particularly, to a kind of device for processing papermaking wastewater.

Background technology

With China's rapid economic development, Living consumption is continuously improved, and paper mill industry is towards scale and specification Change and develops, and the pollutant concentration in paper waste is high, complicated component, discharge capacity is big, is the main source of industrial wastewater pollution One of, in the case where water pollution is serious and water resource is increasingly in short supply, the qualified discharge of paper waste and recycling become Inevitable requirement, the processing of paper waste based on level-one materializing strategy and secondary biochemical treatment, the water quality of paper waste there is The problem of being difficult to stably reaching standard discharge or recycling, is mainly reflected in that content of organics is exceeded and coloration is exceeded, however with Technique based on flocculation sediment is limited for organic matter removal amount, with the raising for discharging and recycling standard, such technique Water outlet would become hard to meet processing requirement, the processing contaminants removal efficiency based on membrane filtration is high, but invests and operating cost Higher, Publication No. CN201971706U, the Chinese utility model patent that publication date is on 09 14th, 2011 disclose one kind Papermaking wastewater treatment system, the system by receipts stock tank connected in sequence, sedimentation basin, a heavy pond, regulating reservoir, collecting-tank, secondary settling tank, Sand filter and reuse pool composition, are also connected with anaerobic pond and aerobic tank in turn between collecting-tank and secondary settling tank, can be effective The organic matter in waste water is removed, but better solution is not proposed yet for the pigment impurity in waste water.

Utility model content

In view of this, the utility model is directed to a kind of device for processing papermaking wastewater, so that can be in paper waste Pollutant adequately removed, and the sediment generated in purification process is recycled.

In order to achieve the above objectives, the technical solution of the utility model is realized in：

A kind of device for processing papermaking wastewater, including by the sequentially connected grid pond of conduit, filter pulp pond, except color pond, flocculation Pond, inclined-plate clarifying basin, aeration tank, secondary settling tank, Fenton reaction tanks, settling tank and collecting-tank, inside the grid pond by down toward On be equipped with the second fixture block and the first fixture block successively, be equipped with the second grid on second fixture block, the be equipped on first fixture block One grid, the filter pulp pond top is additionally provided with the first return duct, described except color pond is internally provided with adsorption layer, the flocculation basin top Equipped with the chemicals dosing plant through the flocculation basin roof, the flocculation basin is internally provided with agitating device, the agitating device with set Driving motor connection at the top of the flocculation basin, one end of the inclined-plate clarifying basin bottom connection mud guiding tube, the mud guiding tube The other end connect sludge concentration tank, the aeration tank inside bottom be equipped with air hose, the air hose be equipped with multiple gases Outlet, the conduit for connecting the aeration tank and the secondary settling tank is placed in the sealing of one end in the secondary settling tank, and is placed in described two The catheter tip inside heavy pond is equipped with multiple water outlets, one end of the secondary settling tank bottom connection mud guiding tube, the mud guiding tube The other end is connect with the sludge concentration tank, and the secondary settling tank bottom is also connected with one end of the second return duct, second reflux The other end of pipe connects the aeration tank, is equipped with lamp box at the top of the Fenton reaction tanks, the lamp box is internally provided with ultraviolet light Lamp, the settling tank top are equipped with the chemicals dosing plant through the settling tank roof, and the settling tank is internally provided with agitating device, The agitating device is connect with the driving motor being placed at the top of the settling tank, and the settling tank bottom connects the mud guiding tube One end, the other end of the mud guiding tube are connect with the sludge concentration tank, and the sludge concentration tank is de- by concentrating the connection of mud pipe Water dispenser, the dewaterer side are equipped with sludge pipe, and the sludge concentration tank is equipped with the first return duct with the dehydration motor spindle.

Further, the grid pond is in reverse frustoconic；

Further, the secondary settling tank bottom is equipped with cleaning shoe；

Further, the sludge concentration tank with it is described dehydration motor spindle setting first return duct with the filter Return duct connection at the top of stock tank；

Further, the adsorption layer is active carbon layer, and the quantity more than one of the adsorption layer；

Further, the agitating device includes rotating bar, and the rotating bar is equipped with multiple uniform along the rotating bar The rotation connection axis of distribution is equipped with blade on the rotation connection axis；

Further, the aperture of first grid is more than the aperture of second grid；

Further, the collecting-tank bottom is equipped with drainpipe.

Compared with the existing technology, a kind of device for processing papermaking wastewater described in the utility model has the advantage that：

1, a kind of device for processing papermaking wastewater described in the utility model adsorbs the loose colour in waste water using activated carbon, Both cost is saved, treatment effeciency is also improved；

2, a kind of device for processing papermaking wastewater described in the utility model carries out depth using Fenton reaction tanks to waste water Processing, can effectively solve remaining a small amount of bio-refractory organic matter in waste water, water quality is made to reach the standard of discharge；

3, a kind of device for processing papermaking wastewater described in the utility model, using sludge concentration tank and dewaterer to sedimentation Mud carries out subsequent processing, can will treated that mud is otherwise utilized, reduce the waste of resource；

4, a kind of device for processing papermaking wastewater described in the utility model has simple in structure, easy to use, highly practical The characteristics of.

Description of the drawings

The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model. In attached drawing：

Fig. 1 is a kind of overall structure diagram of device for processing papermaking wastewater described in the utility model embodiment；

Fig. 2 is a kind of grid pond structural schematic diagram of device for processing papermaking wastewater described in the utility model embodiment；

Fig. 3 is a kind of secondary settling tank structural schematic diagram of device for processing papermaking wastewater described in the utility model embodiment.

Reference sign：

1- grid ponds, 2- filter pulps pond, 3- remove color pond, 4- flocculation basins, 5- inclined-plate clarifying basins, the aeration tanks 6-, 7- secondary settling tanks, 8-Fenton reaction tanks, 9- settling tanks, 10- sludge concentration tanks, 11- dewaterers, 12- adsorption layers, 13- driving motors, 14- are stirred Mix device, 15- chemicals dosing plants, 16- rotating bars, 17- rotation connection axis, 18- blades, 19- air hoses, 20- gas vents, 21- Lamp box, 22- ultraviolet radiator, 23- conduits, the first return ducts of 24-, the second return ducts of 25-, 26- mud guiding tubes, 27- concentrate mud pipe, 28- sludge pipes, 29- drainpipes, the first grids of 30-, the second grids of 31-, 32- first block soon, and 33- second blocks soon, 34- water outlets Mouthful, 35- cleaning shoes, 36- collecting-tanks.

Specific implementation mode

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figure 1, Figure 2 and Figure 3, a kind of device for processing papermaking wastewater, it is characterised in that：Including by conduit 23 successively The grid pond 1 of connection, removes color pond 3, flocculation basin 4, inclined-plate clarifying basin 5, aeration tank 6, secondary settling tank 7, Fenton reactions at filter pulp pond 2 Pond 8, settling tank 9 and collecting-tank 36, the grid pond 1 are in reverse frustoconic, are equipped with the inside the grid pond 1 successively from the bottom to top Two fixture blocks 33 and the first fixture block 32 are equipped with the second grid 31 on second fixture block 33, first are equipped on first fixture block 32 Grid 30, the aperture of first grid 30 are more than the aperture of second grid 31, the setting of grid pond 1 can in sewage compared with The sundries of large volume is filtered, and since the first grid 30 is different from the aperture of the second grid 31, can will be most of in sewage Volume filtering foreign falls, and since the first grid 30 and the second grid 31 are fixed by the first fixture block 32 and the second fixture block 33 respectively Inside grid pond 1 so that the two is more easy to be removed cleaning after use, is convenient for subsequent use, can also extend first The service life of grid 30 and the second grid 31,2 top of the filter pulp pond is additionally provided with the first return duct 24, described except in color pond 3 Portion is equipped with adsorption layer 12, and the adsorption layer 12 is active carbon layer, and the quantity more than one of the adsorption layer 12, can will be in sewage Loose colour fully adsorb, reach certain catharsis, 4 top of the flocculation basin be equipped with it is through 4 roof of the flocculation basin plus Medicine device 15, the flocculation basin 4 are internally provided with agitating device 14, the agitating device 14 and are placed in 4 top of the flocculation basin Driving motor 13 connects, and 5 bottom of the inclined-plate clarifying basin connects one end of mud guiding tube 26, the other end connection of the mud guiding tube 26 Sludge concentration tank 10,6 inside bottom of the aeration tank are equipped with air hose 19, and the air hose 19 is equipped with multiple gas vents 20, the conduit 23 for connecting the aeration tank 6 and the secondary settling tank 7 is placed in the sealing of one end in the secondary settling tank 7, and is placed in institute It states 23 end of conduit inside secondary settling tank 7 and is equipped with multiple water outlets 34,7 bottom of the secondary settling tank is equipped with cleaning shoe 35, described 7 bottom of secondary settling tank connects one end of mud guiding tube 26, and 26 other end of the mud guiding tube is connect with the sludge concentration tank 10, described 7 bottom of secondary settling tank is also connected with one end of the second return duct 25, and the other end of second return duct 25 connects the aeration tank 6, 8 top of the Fenton reaction tanks is equipped with lamp box 21, and the lamp box 21 is internally provided with ultraviolet radiator 22,9 top of the settling tank Equipped with the chemicals dosing plant 15 through 9 roof of the settling tank, the settling tank 9 is internally provided with agitating device 14, the stirring dress It sets 14 connect with the driving motor 13 for being placed in the top of the settling tank 9, the agitating device 14 includes rotating bar 16, described turn Lever 16 is equipped with equipped with multiple along 16 equally distributed rotation connection axis 17 of the rotating bar, the rotation connection axis 17 Blade 18,9 bottom of the settling tank connect one end of the mud guiding tube 26, the other end of the mud guiding tube 26 and the sludge Concentration basin 10 connects, and the sludge concentration tank 10 connects dewaterer 11 by concentrating mud pipe 27, and 11 side of the dewaterer is equipped with Sludge pipe 28, the sludge concentration tank 10 are equipped with the first return duct 24, the sludge concentration tank with 11 bottom of the dewaterer The return duct 24 of 10 first return ducts 24 being arranged with 11 bottom of the dewaterer with 2 top of the filter pulp pond The moisture deviate from sludge, can be back to inside filter pulp pond 4, purification run is carried out again convenient for the moisture to abjection by connection, 36 bottom of the collecting-tank is equipped with drainpipe 29, to collecting-tank 36 inside be detected, and detect it is qualified after, can general Water in collecting-tank 36 is discharged by drainpipe 29.

The course of work：The sewage generated in the production of paper mill is imported into grid pond 1, by the first grid 30 and second The double filtration of grid 31 filters out the pollutant of large volume in sewage, and then filtered sewage is imported into filter pulp pond 2, Fibrous matter in sewage is filtered out, sewage is imported into after 2 filter pulp of filter pulp pond in flocculation basin 4, passes through chemicals dosing plant 15 Drug is added into flocculation basin 4 so that the waste water in flocculation basin 4 is there is a phenomenon where flocculating, while driving motor 13 works, driving Rotating bar 16 rotates, finally so that blade 18 rotates so that the waste water in flocculation basin 4 mixes as early as possible with medicament, by sewage and wadding Solidifying mixture is directed into inclined-plate clarifying basin 5 by conduit 23, under the action of inclined-plate clarifying basin 5, makes under the sediment in sewage Heavy, clear liquid export, derived clear liquid enters and carries out aeration operation in aeration tank 6, and aeration tank 6 is used cooperatively with secondary settling tank 7, right Sewage carries out purification run, and waste water is precipitated in secondary settling tank 7, and sludge is fallen on cleaning shoe 35, and purified sewage is flowed into In Fenton reaction tanks 8, ultraviolet radiator 22 is opened, and is promoted a small amount of organic matter difficult to degrade remaining in sewage to accelerate to decompose, is made It obtains sewage quality and reaches discharge standard, subsequent sewage is directed in settling tank 9, is added into settling tank 9 by chemicals dosing plant 15 Entering drug so that the waste water in settling tank 9 is there is a phenomenon where flocculating, while driving motor 13 works, and driving rotating bar 16 rotates, Finally so that blade 18 rotates so that the waste water in settling tank 9 mixes as early as possible with medicament, stands later so that flocculate settles, Supernatant liquor is imported into collecting-tank 36, and the detection before being discharged to the sewage in collecting-tank 36, if detection is qualified logical The discharge of drainpipe 29 is crossed, if unqualified, is filtered operation again；Inclined-plate clarifying basin 5, secondary settling tank 7 and 9 bottom of settling tank Sediment is directed by mud guiding tube 26 inside sludge concentration tank 10, after the concentration of sludge concentration tank 10, the sludge of concentration It is imported in dewaterer 11 by thickened sludge pipe 27 and carries out dehydrating operations, dewatered sludge is exported by sludge pipe 28, and dirty Sewage in the mud that the sewage that 27 inside of mud thickener is deviate from is deviate from dewaterer 11, is imported by the first return duct 24 Into filter pulp pond 2, it is filtered operation again.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or Person be the utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration And operation, therefore should not be understood as limiting the present invention.It is only used in addition, belonging to " first ", " second ", " third " etc. Description is distinguished, and cannot be construed as to imply that or imply relative importance.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims

1. a kind of device for processing papermaking wastewater, it is characterised in that：Including passing through conduit (23) sequentially connected grid pond (1), filter Stock tank (2) removes color pond (3), flocculation basin (4), inclined-plate clarifying basin (5), aeration tank (6), secondary settling tank (7), Fenton reaction tanks (8), settling tank (9) and collecting-tank (36), the grid pond (1) is internal to be equipped with the second fixture block (33) and first successively from the bottom to top Fixture block (32) is equipped with the second grid (31) on second fixture block (33), the first grid is equipped on first fixture block (32) (30), it is additionally provided with the first return duct (24) at the top of the filter pulp pond (2), it is described to be internally provided with adsorption layer (12), institute except color pond (3) The chemicals dosing plant (15) being equipped at the top of flocculation basin (4) through the flocculation basin (4) roof is stated, the flocculation basin (4) is internally provided with Agitating device (14), the agitating device (14) connect with the driving motor (13) being placed at the top of the flocculation basin (4), described oblique Plate sedimentation basin (5) bottom connects one end of mud guiding tube (26), and the other end of the mud guiding tube (26) connects sludge concentration tank (10), Aeration tank (6) inside bottom is equipped with air hose (19), and the air hose (19) is equipped with multiple gas vents (20), connection The conduit (23) of the aeration tank (6) and the secondary settling tank (7) is placed in the sealing of one end in the secondary settling tank (7), and is placed in institute It states internal conduit (23) end of secondary settling tank (7) and is equipped with multiple water outlets (34), secondary settling tank (7) bottom connects mud guiding tube (26) one end, mud guiding tube (26) other end are connect with the sludge concentration tank (10), and secondary settling tank (7) bottom also connects One end of the second return duct (25) is connect, the other end of second return duct (25) connects the aeration tank (6), the Fenton Lamp box (21) is equipped at the top of reaction tank (8), the lamp box (21) is internally provided with ultraviolet radiator (22), settling tank (9) top Equipped with the chemicals dosing plant (15) through the settling tank (9) roof, the settling tank (9) is internally provided with agitating device (14), institute It states agitating device (14) to connect with the driving motor (13) being placed at the top of the settling tank (9), settling tank (9) the bottom connection The other end of one end of the mud guiding tube (26), the mud guiding tube (26) is connect with the sludge concentration tank (10), the sludge Concentration basin (10) connects dewaterer (11) by concentrating mud pipe (27), and dewaterer (11) side is equipped with sludge pipe (28), institute It states sludge concentration tank (10) and is equipped with the first return duct (24) with the dewaterer (11) bottom.

2. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：The grid pond (1) is in rounding Platform shape.

3. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：Secondary settling tank (7) bottom is set There is cleaning shoe (35).

4. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：The sludge concentration tank (10) with First return duct (24) of dewaterer (11) bottom setting with the return duct at the top of the filter pulp pond (2) (24) it connects.

5. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：The adsorption layer (12) is activity Layer of charcoal, and the quantity more than one of the adsorption layer (12).

6. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：The agitating device (14) includes Rotating bar (16), the rotating bar (16) be equipped with it is multiple along the equally distributed rotation connection axis (17) of the rotating bar (16), It is equipped with blade (18) on the rotation connection axis (17).

7. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：The hole of first grid (30) Diameter is more than the aperture of second grid (31).

8. a kind of device for processing papermaking wastewater according to claim 1, it is characterised in that：Collecting-tank (36) bottom is set There is drainpipe (29).