The dyeing waste water recovery and processing system
Technical field
The utility model relates to waste water reclamation treatment system art, refers in particular to a kind of dyeing waste water recovery and processing system.
Background technology
Dyeing can produce a large amount of waste water in the process of printing and dyeing operation, contain a large amount of suspended substances in these dyeing waste waters, these suspended substances need be separated, so that waste water obtains recycle, save energy.At present pre-treatment has following several traditional method to printing-dying wastewater recycling in the dyeing, and they all correspondence exist defective:
One, adopt chemical reaction+chemical precipitation+automatic filtration system+UF system to do the mode of RO pre-treatment.The UF system adopts the inner pressed ultra-filtration membrane, has the power consumption height, and the stifled easily film of system's run duration causes cleaning frequent and system goes out problems such as water unstable, and it is too high to add institute's recycling expense that causes of a large amount of materials such as PAC, PAM in the precipitation process.
Two, adopt membrane separation apparatus in addition diatomite or activated carbon do the mode of RO pre-treatment as auxiliary reagent, there are problems such as the mud that squeezes out is many in this pre-treatment mode.
Can see that thus present dyeing waste water recovery and processing system inconvenience exists the recycling weak effect, the problem that the recycling expense is high, people need a recycling system effective, that processing costs is low and come dyeing waste water is recycled.
The utility model content
In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of dyeing waste water recovery and processing system, and it can effectively solve existing dyeing waste water recovery and processing system recycling weak effect, the problem that expense is high.
For achieving the above object, the utility model adopts following technical scheme:
A kind of dyeing waste water recovery and processing system includes and is used for collecting dyeing waste water and dyeing waste water is carried out the dyeing waste water that aeration handles collect equalizing tank, be used to add lytic enzyme and the suspended substance of dyeing waste water is separated solid-liquid separation tank that output simultaneously produces water, is used to hold middle the pond of producing water, is used for producing the reuse pool that water carries out the reverse osmosis system of desalination and is used to hold the product water that reverse osmosis system exports;
This dyeing waste water is collected in the equalizing tank and is provided with aerator;
This solid-liquid separation tank and dyeing waste water are collected to adjust between the pond and are provided with lift pump, and the input terminus of this lift pump is communicated with dyeing waste water by first pipeline and collects equalizing tank, promotes delivery side of pump and is communicated with solid-liquid separation tank by second pipeline;
Be provided with the product water pump between this pond, centre and the solid-liquid separation tank, this input terminus that produces water pump is communicated with the output terminal of aforementioned water producing pipe by the 3rd pipeline, and the output terminal that produces water pump is communicated with middle pond by the 4th water pipe;
Be provided with solid-liquid separation ultra-filtration membrane device in this solid-liquid separation tank rotationally, this solid-liquid separation ultra-filtration membrane device includes water producing pipe and is arranged at the outer diaphragm of this water producing pipe; This solid-liquid separation tank is outside equipped with topping-up pump, and the input terminus of this topping-up pump is by the inner bottom part of the 5th pipeline connection solid-liquid separation tank, and the supercharging delivery side of pump is communicated with outside sludge sump by the 6th pipeline;
Be provided with high-pressure pump between this pond, centre and the reverse osmosis system, the input terminus of this high-pressure pump is communicated with middle pond by the 7th pipeline, and the high pressure delivery side of pump is communicated with the input terminus of reverse osmosis system by the 8th pipeline;
The product water output terminal of this reverse osmosis system is communicated with reuse pool by the 9th pipeline, and the dense water output terminal of reverse osmosis system is communicated with the raw wastewater station of outside.
As a kind of preferred version, described lift pump is two that are arranged in parallel, and this product water pump is two that are arranged in parallel, and this high-pressure pump is two that are arranged in parallel.
As a kind of preferred version, be provided with control valve on described first pipeline, second pipeline, the 3rd pipeline, the 4th pipeline, the 5th pipeline, the 6th pipeline, the 7th pipeline, the 8th pipeline and the 9th pipeline.
As a kind of preferred version, described solid-liquid separation tank is a funnel type, and this solid-liquid separation ultra-filtration membrane device lateral is arranged at the top of solid-liquid separation tank.
As a kind of preferred version, the product water output terminal of described reverse osmosis system is provided with sampling valve.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, produces water pump by utilizing, make the inside of the water producing pipe of solid-liquid separation ultra-filtration membrane device form negative pressure, product water in the dyeing waste water flow in the water producing pipe by diaphragm and is produced water pump and extract out, realize out the purpose of suspended substance and product water sepn, and cooperate and to utilize reverse osmosis system to handle back output reuse to producing water, technology is simple, and is easy and simple to handle, and make waste water resource obtain maximized recycle, energy-saving and emission-reduction; In addition, cooperate the diaphragm and the dyeing waste water that utilize solid-liquid separation ultra-filtration membrane device to cut the brush friction, make that diaphragm is not easy to stop up, improved the efficient of recycling.
Two, utilize lytic enzyme by cooperation, can make the organism of suspension obtain decomposing, reduced sludge quantity, thoroughly solve the appearance of stifled film phenomenon, the water outlet effect stability is reliable, and cooperation utilizes solid-liquid separation ultra-filtration membrane device and reverse osmosis system, on the one hand, make that the equipment that uses in the treating processes is less, floor space effectively reduces, and civil engineering costs also reduces relatively; On the other hand, the treating processes of this solid-liquid separation ultra-filtration membrane device and reverse osmosis system is physical treatment course, does not add medicines such as PAC and PAM, has reduced the working cost of entire system, and can not cause secondary pollution to water quality.
For more clearly setting forth constitutional features of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the synoptic diagram of the preferred embodiment principle of work of the utility model.
The accompanying drawing identifier declaration:
10, dyeing waste water is collected equalizing tank 12, solid-liquid separation tank
13, middle pond 14, reverse osmosis system
15, reuse pool 20, aerator
30, solid-liquid separation ultra-filtration membrane device 31, water producing pipe
32, diaphragm 41, lift pump
42, produce water pump 43, topping-up pump
44, high-pressure pump 51, first pipeline
52, second pipeline 53, the 3rd pipeline
54, the 4th pipeline 55, the 5th pipeline
56, the 6th pipeline 57, the 7th pipeline
58, the 8th pipeline 59, the 9th pipeline
61, control valve 62, sampling valve
Embodiment:
Please refer to shown in Figure 1ly, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes dyeing waste water and collects equalizing tank 11, solid-liquid separation tank 12, middle pond 13, reverse osmosis system 14 and reuse pool 15.
Wherein, this dyeing waste water is collected equalizing tank 11 and is used to collect dyeing waste water, and this dyeing waste water is collected in the equalizing tank 11 and is provided with aerator 20, and this aerator 20 is used for that dyeing waste water is carried out aeration to be handled.This solid-liquid separation tank 12 is used for adding lytic enzyme and the suspended substance of dyeing waste water is separated output simultaneously produce water, adding lytic enzyme can take off the branch of the part suspended substance in the waste water, solve the many problems of sludge quantity, be provided with solid-liquid separation ultra-filtration membrane device 30 in the solid-liquid separation tank 12 rotationally, this solid-liquid separation ultra-filtration membrane device 30 includes water producing pipe 31 and the diaphragm 32 that is arranged at outside the water producing pipe 31, dyeing waste water is cut the brush friction in drive diaphragm 32 and the solid-liquid separation tank 12 by these solid-liquid separation ultra-filtration membrane device 30 rotations, make that producing water enters in the water producing pipe 61, the difficult suspended substance that decomposes then is deposited on the bottom of solid-liquid separation tank 12, realize solid-liquid separation with this, in addition, this solid-liquid separation tank 12 is a funnel type, and this solid-liquid separation ultra-filtration membrane device 30 is horizontally set at the top of solid-liquid separation tank 12.This pond, centre 13 is used to hold the product water of solid-liquid separation tank 12 outputs.This reverse osmosis system 14 is used for desalting treatment is carried out in the generation in middle pond 13, to reduce specific conductivity, water outlet can be back to use production line, and the principle of work of this reverse osmosis system 14 is not described in detail in this principle of work to reverse osmosis system 14 for existing mature technology.This reuse pool 15 is used to hold the product water of reverse osmosis system 14 outputs.
And, further include lift pump 41, produce water pump 42, topping-up pump 43 and high-pressure pump 44.Wherein, this lift pump 41 is arranged at solid-liquid separation tank 12 and dyeing waste water is collected between the equalizing tank 11, lift pump 41 is used for dyeing waste water is promoted and be injected into solid-liquid separation tank 12, the input terminus of this lift pump 41 is communicated with dyeing waste water by first pipeline 51 and collects equalizing tank 10, and the output terminal of this lift pump 41 is communicated with aforementioned solid-liquid separation tank 12 by second pipeline 52.Lift pump 41 in the present embodiment is two that are arranged in parallel, can certainly be for one or more than two, and quantity is not limit, and the quantity of lift pump is many more to improve recycling efficient more.
This product water pump 42 is arranged between aforementioned solid-liquid separation tank 12 and the middle pond 13, pond 13 in the middle of the product water that product water pump 42 is used for separating from solid-liquid separation tank 12 is injected into, this input terminus that produces water pump 42 is communicated with aforementioned water producing pipe 31 by the 3rd pipeline 53, the output terminal of pond 13, the four pipelines 54 extend into the middle pond 13 from the Chi Kou in middle pond 13 in the middle of this output terminal that produces water pump 42 was communicated with by the 4th pipeline 54.Product water pump 42 in the present embodiment is two that are arranged in parallel, can certainly be for one or more than two, and quantity is not limit, and the quantity of producing water pump is many more to improve recycling efficient more.
This topping-up pump 43 is arranged at outside the solid-liquid separation tank 12, this topping-up pump 43 is used for the insoluble suspended substance that is deposited on solid-liquid separation tank 12 bottoms is extracted out, the input terminus of topping-up pump 43 is communicated with the inner bottom part of solid-liquid separation tank 12 by the 5th pipeline 55, and the output terminal of topping-up pump 43 is communicated with outside sludge sump by the 6th pipeline 56.
This high-pressure pump 44 is arranged between middle pond 13 and the reverse osmosis system 14, high-pressure pump 44 is used for product water is injected into reverse osmosis system 14 with high voltage style from middle pond 13, pond 13 in the middle of the input terminus of high-pressure pump 44 is communicated with by the 7th pipeline 57, the output terminal of high-pressure pump 44 is communicated with the input terminus of reverse osmosis system 14 by the 8th pipeline 58.The product water output terminal of reverse osmosis system 14 is communicated with reuse pool 15 by the 9th pipeline 59, and the dense water output terminal of reverse osmosis system 14 is communicated with the raw wastewater station of outside.Have two reverse osmosis systems 14 in the present embodiment, also have two high-pressure pump that are arranged in parallel 44 simultaneously, utilize this two reverse osmosis system 14 and two high-pressure pump 44 can improve the processing efficiency of waste water widely by cooperation.
And, be provided with control valve 61 on this first pipeline 51, second pipeline 52, the 3rd pipeline 53, the 3rd pipeline 54, the 5th pipeline 55, the 6th pipeline 56, the 7th pipeline 57, the 8th pipeline 58 and the 9th pipeline 59, those control valves 61 are used for the flow of corresponding each pipeline of control.
In addition, the product water output terminal of this reverse osmosis system 14 is provided with sampling valve 62, by these sampling valve 62 desirable water samples of producing so that to produce water sample detect whether qualified.
The principle of work that present embodiment is described in detail in detail is as follows:
The principle of work of present embodiment is very simple, as shown in Figure 1, at first, dyeing waste water is injected into dyeing waste water collects in the equalizing tank 11, and utilize 20 pairs of dyeing waste waters of aerator to carry out aeration and handle.Then, dyeing waste water is injected in the solid-liquid separation tank 12 under the effect of lift pump 41, in solid-liquid separation tank 12, add lytic enzyme, utilize lytic enzyme that the part suspended substance branch in the dyeing waste water is taken off, make the inside of water producing pipe 31 form negative pressure by producing water pump 42 simultaneously, and drive diaphragm 32 by 30 rotations of this solid-liquid separation ultra-filtration membrane device and constantly cut the brush friction with liquid, make that with this producing water constantly flows in the water producing pipe 31, the suspended substance of indissoluble then is deposited on the bottom of solid-liquid separation tank 12, realizes solid-liquid separation with this.Then, the suspended substance of this insoluble is drawn out of under the effect of topping-up pump 43 and delivers to sludge sump, and simultaneously, the product water that enters in the water producing pipe 31 is injected under the effect of producing water pump 42 in the middle pond 13.Then, under the effect of high-pressure pump 74, the product water in the middle pond 13 is injected in the reverse osmosis system 14 with the highly compressed form, utilize 14 pairs of reverse osmosis systems to produce water and carry out desalting treatment, and reduction conductivity of waste water, product water after desalting treatment flow in the reuse pool 15 by the 9th pipeline 59, utilize treating, dense water then is passed to the raw wastewater station, finishes recycling again.
Design focal point of the present utility model is: at first, produce water pump by utilizing, make the inside of the water producing pipe of solid-liquid separation ultra-filtration membrane device form negative pressure, product water in the dyeing waste water flow in the water producing pipe by diaphragm and quilt produces the water pump extraction, realizes out suspended substance and the purpose of producing water sepn, and cooperation utilizes reverse osmosis system to export reuse to producing after water is handled, technology is simple, easy and simple to handle, and make waste water resource obtain maximized recycle, energy-saving and emission-reduction; In addition, cooperate the diaphragm and the dyeing waste water that utilize solid-liquid separation ultra-filtration membrane device to cut the brush friction, make that diaphragm is not easy to stop up, improved the efficient of recycling.Secondly, utilize lytic enzyme by cooperation, can make the organism of suspension obtain decomposing, reduce sludge quantity, thoroughly solve the appearance of stifled film phenomenon, the water outlet effect stability is reliable, and cooperate and to utilize solid-liquid separation ultra-filtration membrane device and reverse osmosis system, on the one hand, make that the equipment that uses in the treating processes is less, floor space effectively reduces, and civil engineering costs also reduces relatively; On the other hand, the treating processes of this solid-liquid separation ultra-filtration membrane device and reverse osmosis system is physical treatment course, does not add medicines such as PAC and PAM, has reduced the working cost of entire system, and can not cause secondary pollution to water quality.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.