CN211620197U - Micro-electrolysis-coagulation integrated device - Google Patents
Micro-electrolysis-coagulation integrated device Download PDFInfo
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- CN211620197U CN211620197U CN202020124135.XU CN202020124135U CN211620197U CN 211620197 U CN211620197 U CN 211620197U CN 202020124135 U CN202020124135 U CN 202020124135U CN 211620197 U CN211620197 U CN 211620197U
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Abstract
The present case relates to a little electrolysis-thoughtlessly congeal integrated device, includes: the micro-electrolysis reaction water tank is in a square inclined bottom, and the top of the micro-electrolysis reaction water tank is provided with an opening; a water inlet is formed in one side of the micro-electrolysis reaction water tank; the rotary screen is rotatably connected in the micro-electrolysis reaction water tank; a plurality of sieve pores are uniformly distributed on the end surface and the side surface of the rotary screen; the interior of the drum screen is filled with micro-electrolysis filler; the coagulating sedimentation tank is communicated with the micro-electrolysis reaction water tank; a water outlet groove is formed in the coagulating sedimentation tank; wherein, a plurality of raising plates are uniformly arranged on the inner wall of the drum screen at intervals. The device solves the engineering practice problems of easy blockage, hardening, passivation and the like of the filler existing in the operation process of the traditional micro-electrolysis device by improving the structure of the existing device, can be used for pretreatment of the front end of a biochemical system of an organic wastewater treatment process, can also be independently used, and is used for treatment of small-scale organic wastewater of small and micro enterprises.
Description
Technical Field
The utility model relates to a waste water treatment equipment field, concretely relates to be applied to organic waste water treatment's little electrolysis-thoughtlessly congeal integrated device.
Background
The industrial organic wastewater is mainly characterized by high organic matter concentration, difficult degradation, strong biological toxicity and the like, and the micro-electrolysis technology is one of effective measures for the pretreatment of the organic wastewater. Conventional microelectrolytic reaction devices are mainly fixed beds and fluidized beds. The main defects of the fixed bed micro-electrolysis reactor are that the filler is easy to block, harden and passivate in the running process of the device, although the back washing is also carried out at regular time, the effect is not obvious, and the micro-electrolysis reaction is difficult to continue. The fluidized bed can better solve the operation problems of blockage, hardening, passivation and the like of the filler, but the realization of filler fluidization needs larger energy consumption, and the granularity of the filler is also required to be very small, so that the filler is easy to lose in the operation process.
SUMMERY OF THE UTILITY MODEL
To the weak point among the prior art, the utility model provides a be applied to little electrolysis-thoughtlessly congeal integrated device of organic waste water treatment aims at solving the filler that exists among the traditional little electrolysis unit operation process and blocks up easily, harden and engineering practice problems such as passivation through the improvement to current device structure, can be used for the preliminary treatment of the biochemical system front end of organic waste water treatment process, also can independent utility for the processing of the small-scale organic waste water of little enterprise.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a microelectrolysis-coagulation integrated device comprising:
the micro-electrolysis reaction water tank is in a square inclined bottom, and the top of the micro-electrolysis reaction water tank is provided with an opening; a water inlet is formed in one side of the micro-electrolysis reaction water tank;
the rotary screen is rotatably connected in the micro-electrolysis reaction water tank; a plurality of sieve pores are uniformly distributed on the end surface and the side surface of the rotary screen; the interior of the drum screen is filled with micro-electrolysis filler;
the coagulating sedimentation tank is communicated with the micro-electrolysis reaction water tank; a water outlet groove is formed in the coagulating sedimentation tank;
wherein, a plurality of raising plates are uniformly arranged on the inner wall of the drum screen at intervals.
Preferably, the microelectrolysis-coagulation integrated device is characterized in that the coagulation sedimentation tank is communicated with the microelectrolysis reaction water tank through an overflow plate.
Preferably, the microelectrolysis-coagulation integrated device is characterized in that a rotating shaft is arranged on the end face of the drum screen, and the rotating shaft is connected with a motor.
Preferably, the micro-electrolysis-coagulation integrated device is characterized in that a feed inlet is formed in the side wall of the drum screen.
Preferably, the microelectrolysis-coagulation integrated device is characterized in that a plurality of inclined plates are further arranged inside the coagulation sedimentation tank.
Preferably, the integrated micro-electrolysis-coagulation device is characterized in that a first drain pipe is arranged at the bottom of the micro-electrolysis reaction water tank.
Preferably, the integrated microelectrolysis-coagulation device is characterized in that a second drainage pipe is arranged at the bottom of the coagulation sedimentation tank.
Preferably, the integrated micro-electrolysis-coagulation device is characterized in that the filling volume of the micro-electrolysis filler accounts for 50-80% of the volume of the drum screen.
Preferably, the microelectrolysis-coagulation integrated device is characterized in that the pore diameter of the sieve pore is smaller than the particle size of the microelectrolysis filler.
The utility model has the advantages that:
(1) compared with the traditional micro-electrolysis reaction device, the device has the greatest characteristics that the drum screen of the micro-electrolysis reactor rotates at a low speed in the operation process of the equipment, the lifting plate on the inner wall of the drum screen drives the filler to rotate, and the filler is overturned and stirred along with the rotation of the drum screen, so that the filler is not hardened, and the sediment attached to the surface of the filler is stripped and washed by water, so that the filler is continuously updated, namely the filler is prevented from being passivated, the filler keeps good reaction activity, and the micro-electrolysis reaction can be continuously carried out;
(2) in the coagulating sedimentation tank, a great amount of ferrous ions and ferric ions generated by micro-electrolysis are fully utilized to react with alkali to form Fe (OH)2、Fe(OH)3Mixing the flocculating body, and further removing organic matters in water by the flocculating body through the actions of adsorption, net capture, rolling, sweeping and the like in the coagulation and precipitation processes;
(3) the device has simple structure, small occupied area, easy upgrading and reconstruction with the original sewage system, easy operation and management, low construction investment cost and good treatment effect;
(4) the device can be used for the pretreatment of the front end of a biochemical system of an organic wastewater treatment process; the device can also be used independently and is used for treating small-scale organic wastewater of small and micro enterprises;
(5) when the device is used independently, if the flow of the incoming water is small, the effluent backflow can be considered to ensure the continuous operation; if the incoming water is too small or the intermittent water inlet can adopt intermittent operation, the method has strong adaptability to the condition that the small-scale organic wastewater of small enterprises has small water quantity and is unstable;
(6) the device has strong adaptability to the fluctuation of water quality, and the backflow of the effluent part can be considered when the COD of the incoming water is higher and the effluent exceeds the standard so as to ensure the effluent to reach the standard; when the COD of the incoming water is high, the expected treatment effect can be realized by the multi-stage series operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the integrated micro-electrolysis-coagulation device of the present invention.
Fig. 2 is a top view of the integrated micro-electrolysis-coagulation device.
Fig. 3 is a schematic axial view of the trommel of the present invention.
Fig. 4 is a schematic cross-sectional view of the trommel of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, the present embodiment provides a micro electrolysis-coagulation integrated device, including:
a micro-electrolysis reaction water tank 100 which is a square inclined bottom, the top of which is provided with an opening, and the bottom of which is provided with a support; a water inlet 110 is formed at one side of the micro-electrolysis reaction water tank 100; a trommel 200 rotatably connected to the inside of the micro-electrolysis reaction water tank 100; the end surface and the side surface of the trommel 200 are uniformly provided with a plurality of sieve holes 210 so as to facilitate water inlet and outlet and air ventilation, and the shape of the sieve holes 210 can be, but not limited to, circular, oval, polygonal, strip-shaped and the like; the interior of the trommel 200 is filled with micro-electrolysis filler 300, and the particle size of the micro-electrolysis filler 300 is usually 3-4 cm; a plurality of lifting plates 220 are uniformly arranged on the inner wall of the drum screen 200 at intervals; the coagulating sedimentation tank 400 is communicated with the micro-electrolysis reaction water tank 100; the coagulating sedimentation tank 400 is provided with a water outlet groove 410, and clean water after mud-water separation overflows into the water outlet groove 410.
More specifically, the coagulation sedimentation tank 400 is communicated with the micro-electrolysis reaction water tank 100 through an overflow plate 500, and effluent after micro-electrolysis enters the coagulation sedimentation tank 400 through the overflow plate 500.
More specifically, the end surface of the drum screen 200 is provided with a rotating shaft 230, and the rotating shaft 230 is connected with a motor 240. The motor 240 drives the drum screen 200 to rotate at a low speed through the rotation shaft 230.
Further specifically, a feed inlet 250 is formed on the side wall of the trommel 200 for supplementing and adding the micro-electrolysis filler 300.
More specifically, a plurality of inclined plates 420 are further disposed inside the coagulation sedimentation tank 400 to improve the sedimentation effect.
Further specifically, the bottom of the micro-electrolysis reaction water tank 100 is provided with a first drain pipe 120 for draining and discharging slag during maintenance.
More specifically, the bottom of the coagulation sedimentation tank 400 is provided with a second drainage pipe 430 for draining and deslagging during maintenance.
More specifically, the filling volume of the micro-electrolysis filler 300 is 50 to 80% of the volume of the trommel 200. The depth of immersion of the trommel 200 in water depends on the filling amount of the micro-electrolysis filler 300, and when in use, it is necessary to ensure that the micro-electrolysis filler 300 is completely immersed in water.
More specifically, the pore size of the mesh 210 is smaller than the particle size of the micro-electrolysis filler 300.
The operation process comprises the following steps: organic wastewater enters a micro-electrolysis reaction water tank 100 from a water inlet 110 after being pretreated to remove suspended matters, micro-electrolysis filler 300 is placed in a drum screen 200, organic matters in the wastewater are catalytically degraded under the micro-electrolysis action of the micro-electrolysis filler 300, a large amount of ferrous ions and ferric ions are released at the same time, effluent after micro-electrolysis is discharged into a subsequent coagulation sedimentation tank 400 through an overflow plate 500, and the ferrous ions and the ferric ions in the coagulation sedimentation tank 400 form Fe (OH)2、Fe(OH)3And mixing the flocculating body, and further removing organic matters in water by the flocculating body through the actions of adsorption, net capture, rolling, sweeping and the like in the coagulation and precipitation processes. Partial COD can be removed through the catalytic degradation and coagulating sedimentation of micro-electrolysis, the biotoxicity of the wastewater is reduced, and the biodegradability of the wastewater is improved. In the operation process, the motor 240 drives the rotating shaft 230 to rotate, so as to drive the drum sieve 200 to rotate at a low speed, and the raising plate 220 enables the micro-electrolysis filler 300 to be overturned and stirred along with the rotation of the drum sieve 200, so that the micro-electrolysis filler 300 is not hardened, and the surface of the micro-electrolysis filler 300 is continuously updated to maintain the reaction activity.
The microelectrolytic filler 300 used in the present case is a commercially available product, which may typically be an iron-carbon microelectrolytic filler.
The device can be used for the pretreatment of the front end of a biochemical system of a refractory organic wastewater treatment process, can remove partial COD, improves the BOD5/COD of the organic wastewater, simultaneously reduces the biotoxicity of the organic wastewater, and is beneficial to the subsequent biochemical treatment.
The device can also be independently used for treating small-scale organic wastewater of small and micro enterprises, the common organic wastewater can reach the second-level discharge standard after being treated by the device and is directly discharged, and the nondegradable organic wastewater can reach the third-level discharge standard after being treated by the device and is COD value is greatly reduced, so that the effluent can be discharged into an urban pipe network.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. A microelectrolysis-coagulation integrated device is characterized by comprising:
a micro-electrolysis reaction water tank (100) which is square and has an inclined bottom and an opening at the top; a water inlet (110) is formed in one side of the micro-electrolysis reaction water tank (100);
a trommel (200) rotatably connected to the inside of the micro-electrolysis reaction water tank (100); a plurality of screen holes (210) are uniformly distributed on the end surface and the side surface of the rotary screen (200); the interior of the drum screen (200) is filled with micro-electrolysis filler (300);
a coagulation sedimentation tank (400) which is communicated with the micro-electrolysis reaction water tank (100); a water outlet groove (410) is arranged in the coagulating sedimentation tank (400);
wherein, a plurality of lifting plates (220) are uniformly arranged on the inner wall of the drum screen (200) at intervals.
2. The integrated microelectrolysis-coagulation device according to claim 1, wherein the coagulation sedimentation tank (400) is communicated with the microelectrolysis reaction water tank (100) through an overflow plate (500).
3. The integrated microelectrolysis-coagulation device according to claim 1, wherein a rotating shaft (230) is arranged on the end face of the drum screen (200), and a motor (240) is connected to the rotating shaft (230).
4. The integrated micro-electrolysis-coagulation device according to claim 1, wherein the side wall of the drum screen (200) is provided with a feed inlet (250).
5. The integrated microelectrolysis-coagulation device as recited in claim 1, wherein a plurality of inclined plates (420) are further arranged inside the coagulation sedimentation tank (400).
6. The integrated micro-electrolysis-coagulation device according to claim 1, wherein the bottom of the micro-electrolysis reaction water tank (100) is provided with a first drain pipe (120).
7. The integrated microelectrolysis-coagulation device according to claim 1, wherein the bottom of the coagulation sedimentation tank (400) is provided with a second drain pipe (430).
8. The integrated microelectrolytic-coagulating device according to claim 1, wherein the filling volume of the microelectrolytic filler (300) is 50-80% of the volume of the trommel (200).
9. The integrated microelectrolysis-coagulation device according to claim 1, wherein the mesh (210) has a pore size smaller than the particle size of the microelectrolytic filler (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124135.XU CN211620197U (en) | 2020-01-19 | 2020-01-19 | Micro-electrolysis-coagulation integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124135.XU CN211620197U (en) | 2020-01-19 | 2020-01-19 | Micro-electrolysis-coagulation integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN211620197U true CN211620197U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020124135.XU Expired - Fee Related CN211620197U (en) | 2020-01-19 | 2020-01-19 | Micro-electrolysis-coagulation integrated device |
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| Country | Link |
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| CN (1) | CN211620197U (en) |
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2020
- 2020-01-19 CN CN202020124135.XU patent/CN211620197U/en not_active Expired - Fee Related
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Granted publication date: 20201002 Termination date: 20220119 |