CN209872639U

CN209872639U - Integrated treatment device for pretreatment of surfactant wastewater

Info

Publication number: CN209872639U
Application number: CN201920660739.3U
Authority: CN
Inventors: 卓剑锋
Original assignee: Fujian Safety Environment Technology Co Ltd
Current assignee: Fujian Safety Environment Technology Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2019-12-31
Anticipated expiration: 2029-05-09

Abstract

The utility model belongs to the technical field of the useless pretreatment of water, especially, relate to surfactant waste water pretreatment of water integration processing apparatus, first inlet tube is linked together at the airtight shell left end, and the negative pole meets the plate electrode and runs through and fix the inside upside at airtight shell. Adopt the electricity flocculation and condense photocatalysis technique as the preliminary treatment, utilize electric flocculation earlier to coagulate the seizure with surfactant active, the most surfactant active of flocculation, then utilize photocatalysis to carry out mineralize mineralization oxidative decomposition remaining surfactant active to remaining surfactant active, make and to degrade the surfactant active more than 98% through this department equipment, thoroughly solve the too much problem of foam in the surfactant active waste water treatment process, in order to reach treatment effect, organically combine two kinds of technical equipment on the equipment, constitute integrated equipment, solve and all have the too much phenomenon of foam among the prior art in the surfactant active waste water aerobic biological treatment system, not only influence treatment effect, the problem such as surrounding environment has also been influenced.

Description

Integrated treatment device for pretreatment of surfactant wastewater

Technical Field

The utility model belongs to the technical field of the useless pretreatment of water, especially, relate to surfactant waste water pretreatment of water integration processing apparatus.

Background

The surfactant is a substance which can obviously change the interface state of a solution system by adding a small amount of the surfactant, is a novel chemical which is made up along with the rapid development of the petrochemical industry from the 50 th century, is an important product of fine chemical engineering, brings great convenience to the life of people and the industrial and agricultural production, but also pollutes the environment, the prior methods for surfactant wastewater comprise a chemical coagulation method, a chemical oxidation method, biochemistry and the like, in the treatment process, various methods are often adopted for combined treatment, although the surfactant wastewater treatment method is more and the technology is more mature, however, a problem which is always not solved well in the treatment process is foaming, and most of the surfactant can be foamed, and the foam is increased along with the increase of the concentration; therefore, the phenomenon of excessive foam exists in a plurality of surfactant wastewater aerobic biological treatment systems, a large amount of microorganisms are carried in the foam foaming process, the treatment effect is influenced, the surrounding environment is also influenced, and how to degrade or decompose the foaming factors of the surfactant in the pretreatment stage and control the foam in a reasonable range is a key for determining the subsequent biochemical treatment efficiency, a key for improving the treatment level of the surfactant wastewater and an important link for realizing clean production in industries such as cosmetics, washing, fine chemistry and the like.

It can be seen that the prior art has at least the following disadvantages: the surfactant wastewater aerobic biological treatment system has the phenomenon of excessive foam, which not only influences the treatment effect, but also influences the surrounding environment.

Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide surfactant waste water preliminary treatment integration processing apparatus to all there is too much phenomenon of foam in the good oxygen biological treatment system of surfactant waste water among the solution prior art, not only influence the treatment effect, also influenced surrounding environment scheduling problem.

The utility model discloses a realize like this, surfactant waste water preliminary treatment integration processing apparatus, include:

the electric flocculation device comprises a closed shell, a first water inlet pipe, a first water outlet pipe, a power connection wire, a cathode power connection plate, an anode power connection plate and a reaction polar plate, wherein the first water inlet pipe is communicated with the left end of the closed shell, the cathode power connection plate penetrates through and is fixed on the upper side inside the closed shell, the anode power connection plate penetrates through and is fixed on the lower side inside the closed shell, at least three reaction polar plates are embedded and fixed at the left end and the right end of the inner wall of the closed shell and are positioned between the anode power connection plate and the cathode power connection plate, the power connection wire is connected between the cathode power connection plate and the right end of the anode power connection plate, and the first water outlet pipe is communicated;

the separation and sedimentation tank is positioned on the right side of the electric flocculation device and comprises a second water inlet pipe and a second water outlet pipe, the second water inlet pipe is communicated with the left end of the separation and sedimentation tank, and the second water outlet pipe is communicated with the right end of the separation and sedimentation tank;

the pressure pump is positioned on the right side of the separation sedimentation tank and comprises a third water inlet pipe and a third water outlet pipe, the left end of the pressure pump is connected with the third water inlet pipe communicated with the pressure pump, and the right end of the pressure pump is connected with the third water outlet pipe communicated with the pressure pump;

photocatalytic reactor, photocatalytic reactor is located the force (forcing) pump right-hand, photocatalytic reactor includes fourth inlet tube, fourth outlet pipe, photocatalytic TiO2 meshwork board and ultraviolet tube, the fourth inlet tube is linked together at photocatalytic reactor left end downside, fourth inlet tube end and third outlet pipe flange joint communicate with each other, the fourth outlet pipe is linked together at photocatalytic reactor left end upside, photocatalytic reactor inner wall left and right sides all arranges photocatalytic TiO2 meshwork board, photocatalytic reactor inner wall just is located three at least ultraviolet tube of even installation between the photocatalytic TiO2 meshwork board.

Further, the electric flocculation device is a square closed reactor.

Specifically, the reaction polar plates on the left side and the reaction polar plates on the right side are vertically and uniformly distributed, and the reaction polar plates on the left side and the reaction polar plates on the right side are equidistantly distributed at intervals.

Furthermore, the inner wall of the closed shell is tightly attached with an insulating lining rubber.

Specifically, the tail end of the second water inlet pipe is connected and communicated with the tail end of the first water outlet pipe through a flange.

Furthermore, the tail end of the third water inlet pipe is connected and communicated with the tail end of the second water outlet pipe through a flange.

Specifically, the photocatalytic reactor is a circular closed reactor, the photocatalytic reactor is made of stainless steel, and the stainless steel is subjected to a polishing process.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of surfactant waste water pretreatment integration processing apparatus, adopt the electricity flocculation coagulation to close the photocatalysis technique as the preliminary treatment, utilize earlier the electricity flocculation with surfactant active coagulating and catching, the most surfactant active of flocculation, then utilize photocatalysis to carry out mineralize mineralization oxidative decomposition remaining surfactant active to remaining surfactant active, make and to degrade the surfactant active more than 98% through this department equipment, thoroughly solve surfactant active waste water treatment in-process too much problem of foam, in order to reach the treatment effect, combine two kinds of technical equipment organic on the equipment, constitute integrated equipment.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of the electric flocculation apparatus of the present invention;

fig. 3 is a schematic view of the structured light catalytic reactor of the present invention.

In the figure: the device comprises a closed shell 100, a first water inlet pipe 101, a first water outlet pipe 102, a power connection wire 103, an insulating lining glue 104, a cathode connecting electrode plate 105, an anode connecting electrode plate 106, a reaction electrode plate 107, a separation sedimentation tank 200, a second water inlet pipe 201, a second water outlet pipe 202, a pressure pump 300, a third water inlet pipe 301, a third water outlet pipe 302, a photocatalytic reactor 400, a fourth water inlet pipe 401, a fourth water outlet pipe 402, a photocatalytic TiO2 reticular plate 403 and an ultraviolet lamp tube 404.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 to 3, a preferred embodiment of the present invention is an integrated treatment device for pretreatment of surfactant wastewater, comprising: electric flocculation device, electric flocculation device includes airtight shell 100, first inlet tube 101, first outlet pipe 102, connects electric wire 103, negative pole to connect electrode plate 105, positive pole to connect electrode plate 106 and reaction polar plate 107, first inlet tube 101 is linked together at airtight shell 100 left end, negative pole connects electrode plate 105 to run through to be fixed at the inside upside of airtight shell 100, positive pole connects electrode plate 106 to run through to be fixed at the inside downside of airtight shell 100, both ends just are located and all scarf joint fixed three piece at least reaction polar plate 107 between positive pole connects electrode plate 106 and the negative pole to connect electrode plate 105 about airtight shell 100 inner wall, negative pole connects electrode plate 105 and positive pole to connect electric wire 103 of meeting between the electrode plate 106 right-hand member, first outlet pipe 102 is linked together in airtight shell 100 upper end, electric flocculation device is square airtight reactor, and is left reaction polar plate 107 and the equal perpendicular evenly distributed of reaction polar plate 107 on right side, the reaction polar plate 107 on the left side and the reaction polar plate 107 on the right side are distributed at equal intervals, firstly, wastewater enters the sealed shell 100 of the electric flocculation device from the first water inlet pipe 101, and then is connected with the electric wire 103 and an external direct-current power supply, so that the cathode connecting polar plate 105 and the anode connecting polar plate 106 are electrified, the reaction polar plate 107 is electrified along with the contact of the anode connecting polar plate 106 and water, the water flows through a polar plate reaction zone consisting of the cathode connecting polar plate 105, the reaction polar plate 107 and the anode connecting polar plate 106 from bottom to top to realize electric flocculation reaction, and after the electric flocculation reaction, the wastewater is discharged from the first water outlet pipe 102;

further, the separation and sedimentation tank 200 is located on the right side of the electrocoagulation device, the separation and sedimentation tank 200 comprises a second water inlet pipe 201 and a second water outlet pipe 202, the second water inlet pipe 201 is communicated with the left end of the separation and sedimentation tank 200, the second water outlet pipe 202 is communicated with the right end of the separation and sedimentation tank 200, the tail end of the second water inlet pipe 201 is connected and communicated with the tail end of the first water outlet pipe 102 in a flange manner, the wastewater discharged from the first water outlet pipe 102 can be discharged into the separation and sedimentation tank 200 through the second water inlet pipe 201, and the wastewater is discharged from the second water outlet pipe 202 after the precipitation and separation of the precipitated impurities in the separation and sedimentation tank 200 due to the gravity;

according to the above embodiment, the present embodiment is different from the above embodiments in that the pressure pump 300 is located at the right side of the separation and sedimentation tank 200, the pressure pump 300 includes a third water inlet pipe 301 and a third water outlet pipe 302, the left end of the pressure pump 300 is connected to the third water inlet pipe 301 communicated therewith, the right end of the pressure pump 300 is connected to the third water outlet pipe 302 communicated therewith, the end of the third water inlet pipe 301 is connected and communicated with the end of the second water outlet pipe 202 by a flange, and then the wastewater is transmitted from the second water outlet pipe 202 to the pressure pump 300 along the third water inlet pipe 301 for pressurization;

preferably, the photocatalytic reactor 400 is located on the right side of the pressure pump 300, the photocatalytic reactor 400 includes a fourth water inlet pipe 401, a fourth water outlet pipe 402, a photocatalytic TiO2 mesh plate and ultraviolet lamp tubes 404, the fourth water inlet pipe 401 is communicated with the lower side of the left end of the photocatalytic reactor 400, the end of the fourth water inlet pipe 401 is connected and communicated with the third water outlet pipe 302 by a flange, the fourth water outlet pipe 402 is communicated with the upper side of the left end of the photocatalytic reactor 400, the photocatalytic TiO2 mesh plates 403 are arranged on both the left and right sides of the inner wall of the photocatalytic reactor 400, at least three ultraviolet lamp tubes 404 are uniformly arranged on the inner wall of the photocatalytic reactor 400 and between the photocatalytic TiO2 mesh plates 403, the photocatalytic reactor 400 is a circular closed reactor, the photocatalytic reactor 400 is made of stainless steel, and the stainless steel is polished, after being pressurized by the pressure pump 300, the wastewater enters the photocatalytic reactor 400 from the third water outlet pipe 302 along the fourth water inlet pipe 401, because the stainless steel shell of the photocatalytic reactor 400 is polished, the wastewater can fully reflect the ultraviolet rays emitted by the ultraviolet lamp 404 in the reaction process, so as to fully utilize the energy of the ultraviolet rays, and in the reaction process, the ultraviolet rays emitted by the ultraviolet lamp 404 undergo photochemical reaction with the TiO2 coating on the photocatalytic TiO2 mesh plate 403 from different angles under the reflection of the stainless steel shell through the photocatalytic TiO2 mesh plate 403 and the ultraviolet lamp 404 in the photocatalytic reactor 400, so as to generate a large amount of oxidizing substances, mineralize and oxidize the wastewater in contact with the oxidizing substances, and the wastewater is discharged from the fourth water outlet pipe 402 after undergoing the photocatalytic reaction in the photocatalytic reactor 400.

Preferably, the inner wall of the sealed housing 100 is tightly adhered with an insulating lining rubber 104, and through the insulating lining rubber 104, when the cathode connecting electrode plate 105, the reaction electrode plate 107 and the anode connecting electrode plate 106 are electrified, the insulating property of the sealed housing 100 can be increased, so that the sealed housing 100 is prevented from electric leakage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Surfactant waste water preliminary treatment integration processing apparatus, its characterized in that includes: the electric flocculation device comprises a closed shell, a first water inlet pipe, a first water outlet pipe, a power connection wire, a cathode power connection plate, an anode power connection plate and a reaction polar plate, wherein the first water inlet pipe is communicated with the left end of the closed shell, the cathode power connection plate penetrates through and is fixed on the upper side inside the closed shell, the anode power connection plate penetrates through and is fixed on the lower side inside the closed shell, at least three reaction polar plates are embedded and fixed at the left end and the right end of the inner wall of the closed shell and are positioned between the anode power connection plate and the cathode power connection plate, the power connection wire is connected between the cathode power connection plate and the right end of the anode power connection plate, and the first water outlet pipe is communicated; the separation and sedimentation tank is positioned on the right side of the electric flocculation device and comprises a second water inlet pipe and a second water outlet pipe, the second water inlet pipe is communicated with the left end of the separation and sedimentation tank, and the second water outlet pipe is communicated with the right end of the separation and sedimentation tank; the pressure pump is positioned on the right side of the separation sedimentation tank and comprises a third water inlet pipe and a third water outlet pipe, the left end of the pressure pump is connected with the third water inlet pipe communicated with the pressure pump, and the right end of the pressure pump is connected with the third water outlet pipe communicated with the pressure pump; photocatalytic reactor, photocatalytic reactor is located the force (forcing) pump right-hand, photocatalytic reactor includes fourth inlet tube, fourth outlet pipe, photocatalytic TiO2 meshwork board and ultraviolet tube, the fourth inlet tube is linked together at photocatalytic reactor left end downside, fourth inlet tube end and third outlet pipe flange joint communicate with each other, the fourth outlet pipe is linked together at photocatalytic reactor left end upside, photocatalytic reactor inner wall left and right sides all arranges photocatalytic TiO2 meshwork board, photocatalytic reactor inner wall just is located three at least ultraviolet tube of even installation between the photocatalytic TiO2 meshwork board.

2. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: the electric flocculation device is a square closed reactor.

3. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: the reaction polar plates on the left side and the reaction polar plates on the right side are vertically and uniformly distributed, and the reaction polar plates on the left side and the reaction polar plates on the right side are distributed at equal intervals.

4. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: and the inner wall of the closed shell is tightly attached with an insulating lining rubber.

5. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: and the tail end of the second water inlet pipe is connected and communicated with the flange at the tail end of the first water outlet pipe.

6. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: and the tail end of the third water inlet pipe is connected and communicated with the flange at the tail end of the second water outlet pipe.

7. The integrated surfactant wastewater pretreatment treatment apparatus according to claim 1, characterized in that: the photocatalytic reactor is a circular closed reactor, and is made of stainless steel through a polishing process.