CN108178456B - It is a kind of for handling the processing method of dyeing waste water - Google Patents
It is a kind of for handling the processing method of dyeing waste water Download PDFInfo
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- CN108178456B CN108178456B CN201810099397.2A CN201810099397A CN108178456B CN 108178456 B CN108178456 B CN 108178456B CN 201810099397 A CN201810099397 A CN 201810099397A CN 108178456 B CN108178456 B CN 108178456B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
Abstract
The invention discloses a kind of for handling the processing method of dyeing waste water, after including the following steps: that dyeing waste water is carried out heat exchange processing by heat exchange equipment by (1), is passed through to conditioning tank, adjusting pH is 8.5-9.5, COD 300-500mg/L；(2) phosphoric acid salt substance, hybrid reaction 4-6h are added into waste water；(3) waste water in step (2) is passed through hydrolysis acidification pool, reacts 2-3h, water is passed through neutralization pond later, carry out neutralization reaction.The present invention is adjusted by pH value and the cooperation of acidification hydrolization, effectively removes the flora in dyeing waste water, the COD content in waste water is effectively reduced in next, achievees the effect that good water process.
Description
Technical field
The invention belongs to techniques of Dyeing Wastewater Treatment fields, more particularly, to a kind of for handling the processing side of dyeing waste water
Method.
Background technique
A large amount of dyeing waste water can be generated during cloth printing and dyeing, these dyeing waste waters carry out processing can
It is discharged, but the effect of the technique water process of existing treatment of dyeing wastewater is poor, the printing and dyeing water obtained after processing is often difficult
To reach discharge standard.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of place for being used to handle dyeing waste water of high treating effect
Reason method.
To achieve the goals above, include the following steps:
(1) it after dyeing waste water being carried out heat exchange processing by heat exchange equipment, is passed through to conditioning tank, adjusting pH is 8.5-
9.5, COD 300-500mg/L；
(2) phosphoric acid salt substance, hybrid reaction 4-6h are added into waste water；
(3) waste water in step (2) is passed through hydrolysis acidification pool, reacts 2-3h, water is passed through neutralization pond later, in progress
And reaction.
Further, the temperature after the dyeing waste water heat exchange is 30-35 DEG C.
Further, the concrete operations of pH value are adjusted are as follows: acid-base modifier is added into conditioning tank, which presses
Parts by weight include following components: 25-33 parts of citric acid, 2-4 parts of sodium hydroxide, hydrochloric acid solution 1-3.
Further, filler is equipped in the hydrolysis acidification pool, the filler is made of polypropylene fibre.
Further, the hydrolysis acidification pool is exposed into pond body by aerator into dissolved oxygen, dissolved oxygen 0.1-
0.5mg/L。
Further, the heat exchange equipment includes the first heat exchange mechanism and the second heat exchange mechanism, and first heat is handed over
It changes planes and is interconnected between structure and the second heat exchange mechanism；First heat exchange mechanism includes the first heat-exchange device, second
Heat-exchange device, third heat-exchange device and the 4th heat-exchange device, first heat-exchange device connect a wastewater inlet pipe
Road, the 4th heat-exchange device connect a wastewater effluent pipeline, and the 4th heat-exchange device connects a clear water water inlet line,
Second heat-exchange device connects a clear water outlet conduit.The present invention is provided with two heat exchange mechanisms, the increasing of high degree
Time and the distance of the heat exchange between waste water and clear water are added, heat transfer effect between the two is good, and clear water is being injected into dye
It can be at the condition of high temperature when in cylinder, good cleaning can be carried out to dye vat without adding auxiliary agent, cleaning effect is good, working efficiency
It is high；Meanwhile first heat exchange structure be made of multiple heat-exchange devices, further enhance between waste water and clear water heat hand over
Effect is changed, temperature entrained by waste water can be transferred in clear water substantially, heat up to clear water, so that clear water is being injected into dye
Substantially the temperature that can reach 80 DEG C when in cylinder realizes good energy conservation without carrying out excessive heating again to clear water.
Further, second heat exchange mechanism includes that multiple interconnected waste water flowing lumen rooms are mutually interconnected with multiple
Logical clear water circulation chamber, is interlaced setting between waste water flowing lumen room and clear water circulation chamber；When waste water and clearly
When water circulates in waste water flowing lumen room and clear water flowing lumen room respectively, bending between the two is arranged and is staggered, and fills
That divides increases the contact area between waste water flowing lumen room and clear water circulation chamber, so that the heat before waste water and clear water
Exchange efficiency increases, and clear water heating rate improves.
In conclusion the invention has the following advantages that effectively removing print by pH value adjusting and the cooperation of acidification hydrolization
The flora in waste water is contaminated, next is effectively reduced the COD content in waste water, achievees the effect that good water process.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the second heat exchange mechanism in the present invention.
Fig. 3 is the structural schematic diagram of the first cylinder in the present invention.
Fig. 4 is the top view of the first cylinder in the present invention.
Fig. 5 is the enlarged drawing in Fig. 4 at B.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment 1
It is a kind of for handling the processing method of dyeing waste water, include the following steps: that dyeing waste water is passed through heat exchange equipment by (1)
After carrying out heat exchange processing, it is passed through to conditioning tank；Temperature after the dyeing waste water heat exchange is 30 DEG C；Backward conditioning tank in throw
Adding acid-base modifier to adjust pH is 8.5, COD 300mg/L；Specifically, acid-base modifier includes following components by weight: lemon
Lemon acid 25 parts, 2 parts of sodium hydroxide, hydrochloric acid solution 1；(2) phosphoric acid salt substance, specially tripolyphosphate are added in backward waste water
Sodium, hybrid reaction 4h；(3) waste water in step (2) is passed through hydrolysis acidification pool after, is equipped with filler, institute in hydrolysis acidification pool
Filler is stated to be made of polypropylene fibre；It is exposed into pond body by aerator into dissolved oxygen, dissolved oxygen 0.1mg/L, waste water later
2h is reacted in hydrolysis acidification pool, water is passed through neutralization pond later, and investment lime stone carries out neutralization reaction, handled after filtering
Printing and dyeing water afterwards.
As shown in Figs. 1-5, the heat exchange equipment includes the first heat exchange mechanism 1 and the second heat exchange mechanism 2, and described the
It is interconnected between one heat exchange mechanism 1 and the second heat exchange mechanism 2；Specifically, first heat exchange mechanism 1 includes first
Heat-exchange device 3, the second heat-exchange device 4, third heat-exchange device 5 and the 4th heat-exchange device 6, the first heat exchange dress
3 connection, one influent waste water pipeline 71 is set, the 4th heat-exchange device 6 connects a wastewater effluent pipeline 72, and the 4th heat is handed over
Changing device 6 connects a clear water water inlet line 81, and second heat-exchange device 4 connects a clear water outlet conduit 82.
Specifically, first heat-exchange device 3 leads to including the first cylinder 31, set on this first intracorporal first waste water
Road 32 is set to this first intracorporal first water-dilution channel 33 and the second water-dilution channel 34；Have in first cylinder 31 T-shaped
Partition 311, T-shaped partition is formed by connecting by a transverse slat and riser, and riser is connected to the central part position of transverse slat；By this
Setting the first cylinder 31 can be divided into three spaces, it is logical that first waste water tunnel 32, the first clear water can be formed
Road 33 and the second water-dilution channel 34；Preferably, the first cylinder 31 is divided into left and right two parts by the transverse slat of T-shaped partition,
Middle a part is the first waste water tunnel 32；Another part is separated by the riser of partition T-shaped later again, then is divided into
Two parts form the first water-dilution channel 33 and the second water-dilution channel 34；Preferably, the lower end of riser does not extend to the first cylinder
31 bottoms, so that the first water-dilution channel 33 and the second water-dilution channel 34 are interconnected state.
As in Figure 3-5,31 inner wall of the first cylinder is equipped with the multiple plug divisions 312 matched with partition, described
Plug division 312 is the groove of the bar shaped on 31 inner wall of the first cylinder, length direction of the groove along first cylinder 31
Setting；It is connected in the first cylinder 31 to which partition of different specifications and sizes may be selected；Such as by the shorter of riser setting, to increase
The size of big waste water tunnel, and then when the temperature of waste water is higher, the temperature in waste water can be converted more into clear water, mention
High heat utilization rate；In order to avoid there is the case where leak, we be provided in the plug division 312 for enhance it is described every
The leak-proof device of leakproofness between plate 311 and plug division 312；Specifically, the leak-proof device includes being connected with the plug division
Sealing element 91 and on the sealing element for the partition insertion interface 92；The sealing element 91 is made of rubber,
To which when partition is inserted into interface, sealing element can be coated to outside partition, and the junction of partition and interface is avoided to go out
Now leak；And sealing element 91 and plug division are connected by glue, preferably, we are spaced on 91 outer surface of sealing element
Multiple convex ribs 911 are uniformly distributed with so that 91 outer surface of sealing element forms rough surface, the convex ribs are by the sealing
Part is to direct out the strip bulge extended to form on outer surface；By the setting of rough surface, effectively enhances sealing element and insert
Frictional force size between socket part, so that the connection of sealing element and plug division is more secured；And it will will form between adjacent convex ribs recessed
Slot, so that groove can accommodate more glue, and then when sealing element is connect with plug division, what can be connected is more secured,
The case where being less prone to leakage to the junction of the two；The interface 92 is strip structure setting, along the sealing element
Length direction setting, and the thickness for being sized to be slightly smaller than partition of interface, and then when partition is inserted into interface, interface with
It can be realized interference fit between partition.
Preferably, 31 upper and lower ends of the first cylinder are separately connected an end cap 313, the end cap is by stainless steel
At lower part be opening setting steel bushing, bonding is by one layer of rubber layer on the steel bushing inner wall, when end cap is connected to the first cylinder,
Sealing between the two is realized by the rubber layer；313 inner wall of end cap is equipped with the card division matched with the partition
314, the length of card division 314, size, position are corresponding with the position of transverse slat in partition, when end cap is connected on the first cylinder,
Partition can just be caught in the card division；By the card division of upper and lower end cap and the setting of flexible layer, so that partition is upper
The sealing between end cap is realized at lower both ends, and then guarantees that between waste water tunnel and water-dilution channel be not in mutual leakage always
The case where；When partition selects different size and is plugged on different location, the corresponding end cap used is also different；As preferred
, flexible layer 315 is equipped in the card division, the flexible layer 315 is made of rubber, and is connected between card division by Nian Jie realization
It connects.
Second heat-exchange device 4 include the second cylinder 41, set on this second intracorporal second waste water tunnel 42, set
In this second intracorporal third water-dilution channel 43 and cleaning politics, economics, organization, and ideology aquaporin-4 4；There is T-shaped partition in second cylinder 41,
T-shaped partition is formed by connecting by a transverse slat and riser, and riser is connected to the central part position of transverse slat；Pass through this setting
Second cylinder 41 is divided into three spaces, second waste water tunnel 42, third water-dilution channel 43 and the 4th can be formed
Water-dilution channel 44；Preferably, the second cylinder 41 is divided into left and right two parts by the transverse slat of T-shaped partition, and a portion is
For the second waste water tunnel 42；Another part is separated by the riser of partition T-shaped later again, then is divided into two parts, shape
At third water-dilution channel 43 and cleaning politics, economics, organization, and ideology aquaporin-4 4；Preferably, the lower end of riser does not extend to 41 bottom of the second cylinder, makes
It obtains third water-dilution channel 43 and cleaning politics, economics, organization, and ideology aquaporin-4 4 is interconnected state；Second cylinder 41 may also set up plug division
It is matched with partition, specific structure is identical with the first cylinder, and details are not described herein.
The third heat-exchange device 5 include third cylinder 51, set on the intracorporal third waste water tunnel 52 of the third cylinder, set
In intracorporal 5th water-dilution channel 53 of the third cylinder and the 6th water-dilution channel 54；There is T-shaped partition in the third cylinder 51,
T-shaped partition is formed by connecting by a transverse slat and riser, and riser is connected to the central part position of transverse slat；Pass through this setting
Third cylinder 51 is divided into three spaces, the third waste water tunnel 52, the 5th water-dilution channel 53 and the 6th can be formed
Water-dilution channel 54；Preferably, third cylinder 51 is divided into left and right two parts by the transverse slat of T-shaped partition, and a portion is
For third waste water tunnel 52；Another part is separated by the riser of partition T-shaped later again, then is divided into two parts, shape
At the 5th water-dilution channel 53 and the 6th water-dilution channel 54；Preferably, the lower end of riser does not extend to 51 bottom of third cylinder, makes
It obtains the 5th water-dilution channel 53 and the 6th water-dilution channel 54 is interconnected state；The third cylinder may also set up plug division with
Partition matches, and specific structure is identical with the first cylinder, and details are not described herein.
4th heat-exchange device 6 include the 4th cylinder 61, set on the 4th intracorporal 4th waste water tunnel 62, set
In the 4th intracorporal 7th water-dilution channel 63 and the 8th water-dilution channel 64；There is T-shaped partition in 4th cylinder 61,
T-shaped partition is formed by connecting by a transverse slat and riser, and riser is connected to the central part position of transverse slat；Pass through this setting
4th cylinder 61 is divided into three spaces, the 4th waste water tunnel 62, the 7th water-dilution channel 63 and the 8th can be formed
Water-dilution channel 64；Preferably, the 4th cylinder 61 is divided into left and right two parts by the transverse slat of T-shaped partition, and a portion is
For the 4th waste water tunnel 62；Another part is separated by the riser of partition T-shaped later again, then is divided into two parts, shape
At the 7th water-dilution channel 6 and the 8th water-dilution channel 64；Preferably, the lower end of riser does not extend to 61 bottom of the 4th cylinder, makes
It obtains the 7th water-dilution channel 63 and the 8th water-dilution channel 64 is interconnected state；4th cylinder may also set up plug division with
Partition matches, and specific structure is identical with the first cylinder, and details are not described herein.
As shown in Fig. 2, second heat exchange mechanism 2 includes multiple waste water flowing lumens room 21 and multiple clear water circulation chamber
22, and be interconnected between multiple waste water flowing lumens room 21 by pipeline, multiple clear water circulation chambers 22 are mutual also by pipeline
Connection；Preferably, realizing waste water and clear water between waste water flowing lumen room 21 and clear water circulation chamber 22 to be staggered
Sufficient heat exchange.
The influent waste water pipeline 71 is set to 32 following side of the first waste water tunnel, with 32 phase of the first waste water tunnel
Connection；First waste water tunnel 32 is connected by the first connecting tube with second waste water tunnel 42, first connecting tube
One end connects 32 upper lateral part of the first waste water tunnel, and the other end connects 42 upper lateral part of the second waste water tunnel；Second waste water tunnel
42 bottoms are connected with waste water flowing lumen room 21, and 52 side of third waste water tunnel is equipped with a chamber 521, on the chamber
Portion is connected with third waste water tunnel 52, and lower part is connected with waste water flowing lumen room 21；4th waste water tunnel 62 is logical
It crosses the second connecting tube to be connected with the third waste water tunnel 52, under the second connecting tube one end and the third waste water tunnel 52
Side is connected, and the other end is connected with 62 following side of the 4th waste water tunnel；The wastewater effluent pipeline 72 is set to described
4th waste water tunnel, 62 upper lateral part is connected with the 4th waste water tunnel 62.
To be intake by influent waste water pipeline 71 from 32 lower part of the first waste water tunnel, waste water exists later in influent waste water
It flow to second waste water tunnel 42 in upper circulation and in first waste water tunnel 32 by the first connecting tube, leads to later in the second waste water
To lower circulation in road 42, flows into waste water flowing lumen room 21, chamber 521 is flow to by waste water flowing lumen room 21, in chamber 521
Interior upward circulation, flow to third waste water tunnel 52 again later, to lower circulation in third waste water tunnel 52, connects later by second
Adapter tube flow to the 4th waste water tunnel 62, to upper circulation in the 4th waste water tunnel 62, is finally flowed out by wastewater effluent pipeline 72.
The clear water water inlet line 81 is connected with the 8th water-dilution channel 64, and clear water water inlet line 81 is connected to
Eight water-dilution channels, 64 upper end position；7th water-dilution channel 63 passes through first pipe 101 and 54 phase of the 6th water-dilution channel
Connection, 101 one end of first pipe connect 63 top of the 7th water-dilution channel, and the other end connects 54 top of the 6th water-dilution channel；It is described
5th water-dilution channel 53 is connected by second pipe 102 with clear water circulation chamber 22,102 one end of second pipe connection
5th water-dilution channel, 53 top, one end are connected to clear water circulation 22 side wall of chamber；The cleaning politics, economics, organization, and ideology aquaporin-4 4 passes through the
Three pipelines 103 are connected with clear water circulation chamber 22, which connects 4 top of cleaning politics, economics, organization, and ideology aquaporin-4,
The other end is connected to clear water circulation 22 side wall of chamber；The third water-dilution channel 43 is clear by the 4th pipeline 104 and described second
Aquaporin 34 is connected, and 104 one end of the 4th pipeline connects 43 top of third water-dilution channel, other end connection described second
34 top of water-dilution channel, the clear water outlet conduit 82 are connected with first water-dilution channel 33, and are set to the first water-dilution channel
33 upper ends position.
To be intake when into clear water by clear water water inlet line 81, clear water is in the 8th water-dilution channel 64 to dirty later
It is logical, it is flow to the 7th water-dilution channel 63, later to upper circulation in the 7th water-dilution channel 63, flow to the 6th by first pipe 101
Water-dilution channel 54；It is flow to the 5th water-dilution channel 53 to lower circulation in the 6th water-dilution channel 54 later, it is logical in the 5th clear water later
To upper circulation in road 53, clear water circulation chamber 22 is flow to by second pipe 102；It circulates in clear water circulation chamber 22 later,
Cleaning politics, economics, organization, and ideology aquaporin-4 4 is flow to by third pipeline 103 later, to lower circulation in cleaning politics, economics, organization, and ideology aquaporin-4 4, flow to third clear water
Channel 43；Later to upper circulation in third water-dilution channel 43, the second water-dilution channel 34 is flow to by the 4th pipeline 104；?
To lower circulation in two water-dilution channels 34, it is flow to the first water-dilution channel 33, to upper circulation in the first water-dilution channel 33, finally by clear
Water outlet conduit 82 flows out.
According to the flow direction of above-mentioned waste water and clear water it is found that first waste water tunnel 32 and the first water-dilution channel 33,
Second water-dilution channel 34 is located in the first cylinder, when waste water and clear water circulate in respective channel respectively, can be occurred good
Heat exchange, and the water (flow) direction of the second water-dilution channel 34 and the first waste water tunnel 32 is on the contrary, heat exchange effect is more preferable；Described
Two waste water tunnels 42 are located in the second cylinder with third water-dilution channel 43, cleaning politics, economics, organization, and ideology aquaporin-4 4, are distinguished in waste water and clear water
When circulating in respective channel, good heat exchange, and the water flow of third water-dilution channel 43 and the second waste water tunnel 42 can occur
Contrary, heat exchange effect is more preferable；The third waste water tunnel 52 and the 5th water-dilution channel 53, the same position of the 6th water-dilution channel 54
In in third cylinder, when waste water and clear water circulate in respective channel respectively, good heat exchange, and the 5th clear water can occur
The water (flow) direction of channel 53 and third waste water tunnel 52 is on the contrary, heat exchange effect is more preferable；4th waste water tunnel 62 and the 7th
Water-dilution channel 63, the 8th water-dilution channel 64 are located in the 4th cylinder, when waste water and clear water circulate in respective channel respectively,
Good heat exchange can occur, and the water (flow) direction of the 8th water-dilution channel 64 and the 4th waste water tunnel 62 is on the contrary, heat exchange effect
More preferably.
Embodiment 2
It is a kind of for handling the processing method of dyeing waste water, include the following steps: that dyeing waste water is passed through heat exchange equipment by (1)
After carrying out heat exchange processing, it is passed through to conditioning tank；Temperature after the dyeing waste water heat exchange is 35 DEG C；Backward conditioning tank in throw
Adding acid-base modifier to adjust pH is 9.5, COD 500mg/L；Specifically, acid-base modifier includes following components by weight: lemon
Lemon acid 33 parts, 4 parts of sodium hydroxide, hydrochloric acid solution 3；(2) phosphoric acid salt substance, specially tripolyphosphate are added in backward waste water
Sodium, hybrid reaction 6h；(3) waste water in step (2) is passed through hydrolysis acidification pool after, is equipped with filler, institute in hydrolysis acidification pool
Filler is stated to be made of polypropylene fibre；It is exposed into pond body by aerator into dissolved oxygen, dissolved oxygen 0.5mg/L, waste water later
3h is reacted in hydrolysis acidification pool, water is passed through neutralization pond later, and investment lime stone carries out neutralization reaction, handled after filtering
Printing and dyeing water afterwards.
Embodiment 3
It is a kind of for handling the processing method of dyeing waste water, include the following steps: that dyeing waste water is passed through heat exchange equipment by (1)
After carrying out heat exchange processing, it is passed through to conditioning tank；Temperature after the dyeing waste water heat exchange is 30 DEG C；Backward conditioning tank in throw
Adding acid-base modifier to adjust pH is 8.5, COD 300mg/L；Specifically, acid-base modifier includes following components by weight: lemon
Lemon acid 25 parts, 4 parts of sodium hydroxide, hydrochloric acid solution 1；(2) phosphoric acid salt substance, specially tripolyphosphate are added in backward waste water
Sodium, hybrid reaction 4h；(3) waste water in step (2) is passed through hydrolysis acidification pool after, is equipped with filler, institute in hydrolysis acidification pool
Filler is stated to be made of polypropylene fibre；It is exposed into pond body by aerator into dissolved oxygen, dissolved oxygen 0.3mg/L, waste water later
2h is reacted in hydrolysis acidification pool, water is passed through neutralization pond later, and investment lime stone carries out neutralization reaction, handled after filtering
Printing and dyeing water afterwards.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (7)
1. a kind of for handling the processing method of dyeing waste water, characterized by the following steps:
(1) it after dyeing waste water being carried out heat exchange processing by heat exchange equipment, being passed through to conditioning tank, adjusting pH is 8.5-9.5,
COD is 300-500mg/L；
(2) phosphoric acid salt substance, hybrid reaction 4-6h are added into waste water；
Waste water in step (2) is passed through hydrolysis acidification pool, reacts 2-3h, water is passed through neutralization pond later, carries out neutralization reaction；
The heat exchange equipment include the first heat exchange mechanism (1) and the second heat exchange mechanism (2), first heat exchange mechanism (1) and
It is interconnected between second heat exchange mechanism (2)；First heat exchange mechanism (1) includes the first heat-exchange device (3), second
Heat-exchange device (4), third heat-exchange device (5) and the 4th heat-exchange device (6)；First heat-exchange device 3 includes the
One cylinder 31, be set to this first intracorporal first waste water tunnel 32, be set to this first intracorporal first water-dilution channel 33 and
Second water-dilution channel 34；There is T-shaped partition 311 in first cylinder 31,31 inner wall of the first cylinder be equipped with
5 plug divisions 312 that partition matches；The plug division 312 is the groove of the bar shaped on 31 inner wall of the first cylinder, this is recessed
Slot is arranged along the length direction of first cylinder 31.
2. according to claim 1 for handling the processing method of dyeing waste water, it is characterised in that: the dyeing waste water changes
Temperature after heat is 30-35 DEG C.
3. according to claim 1 for handling the processing method of dyeing waste water, it is characterised in that: adjust the specific of pH value
Operation are as follows: acid-base modifier is added into conditioning tank, which includes following components by weight: citric acid 25-33
Part, 2-4 parts of sodium hydroxide, hydrochloric acid solution 1-3.
4. according to claim 1 for handling the processing method of dyeing waste water, it is characterised in that: the hydrolysis acidification pool
Interior to be equipped with filler, the filler is made of polypropylene fibre.
5. according to claim 4 for handling the processing method of dyeing waste water, it is characterised in that: the hydrolysis acidification pool
It is exposed into pond body by aerator into dissolved oxygen, dissolved oxygen 0.1-0.5mg/L.
6. according to claim 1 for handling the processing method of dyeing waste water, it is characterised in that: first heat exchange
Device (3) connects an influent waste water pipeline (71), and the 4th heat-exchange device (6) connects a wastewater effluent pipeline (72), institute
It states the 4th heat-exchange device (6) and connects a clear water water inlet line (81), second heat-exchange device (4) connects clear water water outlet
Pipeline (82).
7. according to claim 1 for handling the processing method of dyeing waste water, it is characterised in that: second heat exchange
Mechanism (2) includes multiple interconnected waste water flowing lumen rooms (21) and multiple interconnected clear water circulations chamber (22), institute
Stating between waste water flowing lumen room (21) and clear water circulation chamber (22) is interlaced setting.
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| GB2592306B (en) * | 2019-08-20 | 2023-02-01 | Huddersfield Dyeing Co | A method and system for dyeing material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368060A (en) * | 1977-08-29 | 1983-01-11 | Chiyoda Chemical Engineering & Construction Co., Ltd. | Gas sparging method |
| CN105948386A (en) * | 2016-05-30 | 2016-09-21 | 山东黄河三角洲纺织科技研究院有限公司 | Printing and dyeing waste water recycling method |
| CN107176761A (en) * | 2017-06-27 | 2017-09-19 | 德庆通达电机有限公司 | Treatment of dyeing wastewater equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368060A (en) * | 1977-08-29 | 1983-01-11 | Chiyoda Chemical Engineering & Construction Co., Ltd. | Gas sparging method |
| CN105948386A (en) * | 2016-05-30 | 2016-09-21 | 山东黄河三角洲纺织科技研究院有限公司 | Printing and dyeing waste water recycling method |
| CN107176761A (en) * | 2017-06-27 | 2017-09-19 | 德庆通达电机有限公司 | Treatment of dyeing wastewater equipment |
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Effective date of registration: 20190102 Address after: 321100 Chengdong Economic Development Zone, Lanxi City, Jinhua City, Zhejiang Province Applicant after: Zhejiang Jinshuo Printing and Dyeing Co., Ltd. Address before: 311821 Jiapei Printing and Dyeing Plant No. 2, 682 East Street, Shaoxing City, Zhejiang Province Applicant before: Chen Peinan |
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Address after: 321102 Lanxi Economic Development Zone, Jinhua City, Zhejiang Province (Shangye Road, Lanjiang Street) Patentee after: Zhejiang lanchuang Haishen printing and dyeing Co.,Ltd. Address before: 321100 Chengdong Economic Development Zone, Lanxi City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG JINSUO PRINTING AND DYEING Co.,Ltd. |