Thermoelectric wastewater treatment device

Abstract

The utility model relates to a thermoelectric wastewater treatment device and relates to the technical field of wastewater treatment. Comprising a wastewater storage tank for receiving and storing wastewater, a wastewater reaction tank arranged on the lower side of the wastewater storage tank and used for receiving wastewater discharged from the wastewater storage tank, and an additive pre-dissolving tank arranged on the upper side of the wastewater reaction tank and communicated with the wastewater reaction tank, the dosing assembly is arranged on the upper side of the additive dissolving tank and is used for adding an additive into the additive pre-dissolving tank; the water adding tank is arranged on one side of the dosing assembly and is used for adding water into the additive pre-dissolving tank; and the plurality of wastewater settling ponds are arranged on the lower side of the wastewater reaction tank and are communicated with the wastewater reaction tank. The method has the beneficial effects that the additive is dissolved into a solution and then reacts with the wastewater, so that the reaction speed is accelerated, and the solution and the wastewater do not interfere with each other and are synchronously carried out, thereby improving the wastewater treatment speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a thermal power wastewater treatment device. BACKGROUND

[0002] The thermal power plant utilizes the fire power generation, and also drives the heated water vapor to flow through the steam turbine to heat the residents, and a large amount of wastewater is generated in the operation process of the thermal power plant, which contains many harmful substances and needs to be treated before being discharged.

[0003] The harmful substances contained in the wastewater of the thermal power plant make the wastewater acidic or alkaline, and in the wastewater treatment process, reagents need to be added to stabilize the pH value at about 7, and the reagents react with the substances in the wastewater to produce solids, which are completely separated from the water by filtration and sedimentation, thereby completing the treatment of the wastewater.

[0004] The conventional additives are usually powdery, and need to be completely mixed with the wastewater during the adding process to achieve good treatment effect, and the mixing process of the additives and the wastewater needs a period of time, and the reaction and the generation of the sediment after the mixing end also need a period of time, thereby leading to low wastewater treatment efficiency. UTILITY MODEL CONTENT

[0005] (I) Technical problem to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a thermal power wastewater treatment device, which solves the technical problem that the mixing process of the additives and the wastewater and the reaction and the generation of the sediment after the mixing end both need a period of time, thereby leading to low wastewater treatment efficiency.

[0007] (II) Technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the main technical scheme including:

[0009] The utility model discloses a thermal power wastewater treatment device, which comprises a wastewater storage tank for receiving and storing wastewater, a wastewater reaction tank arranged below the wastewater storage tank and receiving wastewater discharged from the wastewater storage tank, an additive pre-dissolution tank arranged above the wastewater reaction tank and communicated with the wastewater reaction tank, a dosing assembly arranged on one side of the dosing assembly and adding water into the additive pre-dissolution tank, and a plurality of wastewater sedimentation tanks arranged below the wastewater reaction tank and communicated with the wastewater reaction tank.

[0010] The utility model discloses a kind of thermoelectric wastewater treatment devices, when the device is treated to thermoelectric wastewater, thermoelectric wastewater is directly discharged into wastewater storage tank and is stored, at this time, additive is added to additive pre-dissolution tank by dosing assembly, then water is added to additive pre-dissolution tank by water adding tank, so that additive is initially dissolved into solution, then wastewater in wastewater storage tank is introduced into wastewater reaction tank, and additive solution is also introduced into wastewater reaction tank, so that wastewater and additive solution react, at this time, additive pre-dissolution tank can continue to work, then the wastewater after reaction is introduced into wastewater sedimentation tank and is deposited, the scheme makes that additive is first dissolved into solution, then reacts with wastewater, on the one hand, reaction speed is accelerated, on the other hand, and they do not interfere with each other, synchronously, to improve wastewater treatment speed.

[0011] Optionally, the dosing assembly includes a dosing barrel disposed on the top of the additive pre-dissolution tank, a dosing funnel disposed on the top of the dosing barrel, and a dosing grid rotatably disposed in the dosing barrel. The dosing grid uniformly and evenly separates the inner cavity of the dosing barrel into storage cavities in a circumferential direction. The additive pre-dissolution tank is sequentially communicated with the storage cavities through rotation of the dosing grid. The dosing funnel is sequentially communicated with the storage cavities through rotation of the dosing grid.

[0012] When dosing is performed by the dosing assembly, a certain amount of powder is stored in each storage cavity. With rotation of the dosing grid, the storage cavities are communicated with the additive pre-dissolution tank. At this time, the powder enters the additive pre-dissolution tank. With each wastewater treatment, only the dosing grid needs to be rotated, which is more convenient. Meanwhile, the storage cavities that have been emptied will be communicated with the dosing funnel through rotation of the dosing grid. At this time, the powder will be readded to the storage cavities, thereby realizing uninterrupted treatment of wastewater and improving wastewater treatment efficiency.

[0013] Optionally, the dosing grid includes a rotating shaft coaxially and rotatably connected to the dosing barrel and a partition plate uniformly and evenly disposed on the circumferential side of the rotating shaft. The additive pre-dissolution tank is provided with a medicine inlet hole communicated with the dosing barrel on the top. The lower end of the storage cavity is gradually narrowed. The inner wall of the storage cavity is smoothly connected to the medicine inlet hole.

[0014] The lower end of the storage cavity is gradually narrowed and smoothly connected to the medicine inlet hole, so that the powder does not remain when entering the medicine inlet hole along the storage cavity, thereby more conveniently controlling the amount of powder added each time.

[0015] Optionally, the dosing barrel is provided with a dosing hole communicated with one of the storage cavities on the top. The dosing hole and the medicine inlet hole are respectively located on the two sides of the rotating shaft. The dosing funnel is communicated with the dosing hole at the lower end. The upper end of the storage cavity is gradually narrowed. The inner wall of the storage cavity is smoothly connected to the dosing hole.

[0016] The top of the medicine storage cavity is gradually narrowed and smoothly connected to the medicine adding hole, so that the amount of medicine powder added into the medicine storage cavity by the funnel is the same each time, and the amount of wastewater stored by the wastewater storage box is constant, thereby quantifying the amount of medicine powder, and further making the single reaction more sufficient and reducing the waste of medicine powder additives.

[0017] Optionally, the additive pre-dissolution box is provided with a medicine adding pipe inserted into the wastewater reaction box, and the lower end of the medicine adding pipe is split into medicine distribution pipes arranged uniformly and spaced circumferentially on the top of the wastewater reaction box.

[0018] The additive pre-dissolution box adds additive solution into the wastewater reaction box through the medicine adding pipe, and the medicine adding pipe is directly split into multiple medicine distribution pipes after entering the wastewater reaction box, so that the multiple medicine distribution pipes are arranged uniformly and spaced circumferentially, and the additive solution is more uniformly entered into the wastewater reaction box, thereby accelerating the reaction with wastewater and improving the wastewater treatment efficiency.

[0019] Optionally, the additive pre-dissolution box and the wastewater reaction box are both provided with a stirring shaft.

[0020] The stirring shaft is arranged in the additive pre-dissolution box to accelerate the dissolution efficiency of the additive, and the stirring shaft is arranged in the wastewater reaction box to make the additive solution react with wastewater faster, thereby further accelerating the wastewater treatment efficiency.

[0021] Optionally, the lower end of the wastewater reaction box is provided with multiple water transmission pipes, and the end of the water transmission pipe away from the wastewater reaction box is provided with a flat and long water nozzle horizontally connected to the top side end of the wastewater sedimentation tank.

[0022] The wastewater reaction box is provided with multiple water transmission pipes at the lower end, thereby facilitating the input of the reacted wastewater into the wastewater sedimentation tank in sequence, and the wastewater starts to deposit as soon as it enters the wastewater sedimentation tank. Once the incoming water flow disturbs the wastewater being deposited at a large amplitude, the deposition efficiency will be affected. The end of the water transmission pipe is provided with a flat and long water nozzle, so that the wastewater can enter the wastewater sedimentation tank more gently, thereby improving the deposition efficiency and further improving the wastewater treatment efficiency.

[0023] Optionally, the bottom of the wastewater sedimentation tank is inclined, and the wastewater sedimentation tank is provided with a long strip-shaped deposition discharge long hole at the lowest part of the tank bottom, and a sealing long strip is detachably and sealingly connected to the deposition discharge long hole.

[0024] The bottom of the wastewater sedimentation tank is arranged in an inclined shape, so that the wastewater sedimentation can be more conveniently gathered at the lowermost end, and a long sediment discharge hole is arranged at the bottom of the wastewater sedimentation tank and is blocked by a detachable sealing strip, so that the subsequent sediment discharge process is more convenient.

[0025] Optionally, long strip-shaped clamping grooves are arranged on the side end surface and the bottom surface of the wastewater sedimentation tank and are parallel to both sides of the long sediment discharge hole, and the sealing strip is respectively provided with clamping strips that are slidably inserted into the clamping grooves.

[0026] The sealing strip is slidably inserted into the clamping grooves and is clamped at the long sediment discharge hole, so that the installation and disassembly of the sealing strip are more convenient, and the subsequent operation efficiency is improved.

[0027] (Three) beneficial effects

[0028] The heat and electricity wastewater treatment device of the utility model, when treating the heat and electricity wastewater through the device, directly discharges the heat and electricity wastewater into the wastewater storage box for storage, at this time, adds the additive into the additive pre-dissolution box through the dosing assembly, then adds water into the additive pre-dissolution box through the water adding box, so that the additive is preliminarily dissolved into a solution, then the wastewater in the wastewater storage box is led into the wastewater reaction box, and the additive solution is also led into the wastewater reaction box, so that the wastewater and the additive solution react, at this time, the additive pre-dissolution box can continue to work, then the reacted wastewater is led into the wastewater sedimentation tank for sedimentation, the scheme makes the additive be dissolved into a solution first and then react with the wastewater, on the one hand, the reaction speed is accelerated, on the other hand, the two do not interfere with each other and are carried out synchronously, and the wastewater treatment speed is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a three-dimensional schematic view of the utility model embodiment;

[0030] Figure 2 It is a sectional view of the utility model embodiment;

[0031] Figure 3 It is a local explosion schematic view of the utility model embodiment.

[0032]

Explanation of reference numerals

[0033] 1, waste water storage tank; 2, waste water reaction tank; 21, water transmission pipe; 22, water nozzle; 3, additive pre-dissolution tank; 31, medicine inlet hole; 32, medicine adding pipe; 33, medicine distribution pipe; 34, stirring shaft; 4, medicine adding assembly; 41, medicine adding cylinder; 411, medicine adding hole; 42, medicine adding funnel; 43, medicine adding grid; 431, rotating shaft; 432, partition plate; 44, medicine storage cavity; 5, water adding tank; 6, waste water sedimentation tank; 61, sediment discharge long hole; 62, sealing long strip; 621, clamping strip; 63, clamping groove. DETAILED DESCRIPTION

[0034] In order to better explain the utility model, so as to facilitate understanding, the following will be combined with the drawings, through specific implementation, the utility model is described in detail.

[0035] The thermal power waste water treatment device provided in the embodiment of the utility model, when the waste water is treated through the device, the waste water is directly discharged into the waste water storage tank for storage, at this time, the additive pre-dissolution tank is added by the medicine adding assembly, then the water adding tank is added to the additive pre-dissolution tank, so that the additive is initially dissolved into solution, then the waste water in the waste water storage tank is introduced into the waste water reaction tank, and the additive solution is also introduced into the waste water reaction tank, so that the waste water and the additive solution react, at this time, the additive pre-dissolution tank can continue to work, then the reacted waste water is introduced into the waste water sedimentation tank for sedimentation, the scheme makes the additive first dissolved into solution, then reacts with the waste water, on the one hand, the reaction speed is accelerated, on the other hand, the two do not interfere with each other, and are carried out synchronously, thereby improving the waste water treatment speed.

[0036] In order to better understand the above technical solutions, the following will be combined with the drawings to describe the exemplary embodiments of the utility model in more detail. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided so that the utility model can be more clearly and thoroughly understood, and the scope of the utility model can be completely conveyed to those skilled in the art.

[0037] Reference Figure 1 And Figure 2 A thermal power waste water treatment device, comprising a waste water storage tank 1 for receiving and storing waste water, a waste water reaction tank 2 arranged on the lower side of the waste water storage tank 1 and receiving waste water discharged from the waste water storage tank 1, an additive pre-dissolution tank 3 arranged on the upper side of the waste water reaction tank 2 and communicated with the waste water reaction tank 2, a medicine adding assembly 4 arranged on the upper side of the additive dissolution tank and adding additives into the additive pre-dissolution tank 3, a water adding tank 5 arranged on one side of the medicine adding assembly 4 and adding water into the additive pre-dissolution tank 3, and a plurality of waste water sedimentation tanks 6 arranged on the lower side of the waste water reaction tank 2 and communicated with the waste water reaction tank 2.

[0038] When the thermal power wastewater is treated by the device, the thermal power wastewater is directly discharged into the wastewater storage tank 1 for storage, at this time the additive pre-dissolution tank 3 is added with additives by the additive adding assembly 4, then the additive pre-dissolution tank 3 is added with water by the water adding tank 5, so that the additives are preliminarily dissolved into a solution, then the wastewater in the wastewater storage tank 1 is introduced into the wastewater reaction tank 2, and the additive solution is also introduced into the wastewater reaction tank 2, so that the wastewater and the additive solution react, at this time the additive pre-dissolution tank 3 can continue to work, then the reacted wastewater is introduced into the wastewater sedimentation tank 6 for sedimentation.

[0039] The additive adding assembly 4 comprises an additive adding cylinder 41 vertically fixed on the top of the additive pre-dissolution tank 3 by bolts, an additive adding funnel 42 arranged on the top of the additive adding cylinder 41, and an additive adding grid 43 rotatably arranged in the additive adding cylinder 41. The additive adding grid 43 comprises a rotating shaft 431 coaxially and rotatably connected to the additive adding cylinder 41, and a plurality of partition plates 432 integrally arranged on the circumferential side end of the rotating shaft 431 and uniformly and circumferentially spaced. The additive adding grid 43 uniformly and circumferentially separates the inner cavity of the additive adding cylinder 41 into a plurality of medicine storage cavities 44. The top of the additive pre-dissolution tank 3 is provided with a medicine inlet hole 31 communicated with the additive adding cylinder 41. The lower end of each medicine storage cavity 44 is gradually narrowed. The inner wall of each medicine storage cavity 44 is smoothly connected to the medicine inlet hole 31. The medicine inlet hole 31 is sequentially communicated with the medicine storage cavities 44 with the rotation of the additive adding grid 43. The top of the additive adding cylinder 41 is provided with an additive adding hole 411 communicated with one of the medicine storage cavities 44. The additive adding hole 411 and the medicine inlet hole 31 are respectively located on the two sides of the rotating shaft 431. The lower end of the additive adding funnel 42 is communicated with the additive adding hole 411. The upper end of each medicine storage cavity 44 is gradually narrowed. The inner wall of each medicine storage cavity 44 is smoothly connected to the additive adding hole 411. The additive adding funnel 42 is sequentially communicated with the medicine storage cavities 44 with the rotation of the additive adding grid 43. A certain amount of medicine powder is stored in each medicine storage cavity 44. With the rotation of the additive adding grid 43, the medicine storage cavities 44 are communicated with the additive pre-dissolution tank 3, at this time the medicine powder enters the additive pre-dissolution tank 3. With each wastewater treatment, only the additive adding grid 43 needs to be rotated, which is more convenient. At the same time, the medicine storage cavities 44 which have been emptied will be communicated with the additive adding funnel 42 with the rotation of the additive adding grid 43, at this time the medicine powder will be readded into the medicine storage cavities 44, thereby realizing uninterrupted treatment of the wastewater and improving the wastewater treatment efficiency.

[0040] The lower end of the additive pre-dissolution tank 3 is provided with a medicine adding pipe 32 inserted into the wastewater reaction tank 2. The lower end of the medicine adding pipe 32 is split into a plurality of medicine distribution pipes 33 arranged on the top of the wastewater reaction tank 2 and uniformly and circumferentially spaced. Thus, the additive solution entering the wastewater reaction tank 2 is more uniform, thereby accelerating the reaction with the wastewater and improving the wastewater treatment efficiency.

[0041] The additive pre-dissolution box 3 and the wastewater reaction box 2 are rotatably connected with the stirring shaft 34 controlled by a motor. The stirring shaft 34 is arranged to rotate in the additive pre-dissolution box 3 to accelerate the dissolution efficiency of the additive, and the stirring shaft 34 is arranged to rotate in the wastewater reaction box 2 to make the additive solution react with the wastewater faster, thereby further accelerating the treatment efficiency of the wastewater.

[0042] The water pipe at the lower end of the wastewater reaction box 2 is split into a plurality of water conveying pipes 21, and the water conveying pipes 21 are provided with flat and long-shaped water nozzles 22 at the ends away from the wastewater reaction box 2, which are horizontally communicated with the top side end of the wastewater sedimentation tank 6. By arranging the ends of the water conveying pipes 21 into flat and long-shaped water nozzles 22, the wastewater can enter the wastewater sedimentation tank 6 more gently, so as to reduce the influence on the wastewater being precipitated, thereby improving the precipitation efficiency.

[0043] Referring to Figure 3 The bottom of the wastewater sedimentation tank 6 is inclined, and the wastewater sedimentation tank 6 is provided with a long strip-shaped sediment discharge long hole 61 at the lowest part of the tank bottom, and the wastewater sedimentation tank 6 is detachably and sealingly connected with a sealing strip 62 at the sediment discharge long hole 61. The side end surface and the bottom surface of the wastewater sedimentation tank 6 are provided with long strip-shaped clamping grooves 63 parallel to both sides of the sediment discharge long hole 61, and the sealing strip 62 is integrally provided with a clamping strip 621 slidingly inserted into the clamping grooves 63. This makes the subsequent sediment discharge process more convenient.

[0044] In the description of the present application, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0045] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature is "above", "over" and "on" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "under" and "under" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0047] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0048] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can modify, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A thermoelectric wastewater treatment device, characterized by: The wastewater storage tank (1) receives wastewater and stores it, the wastewater reaction tank (2) is arranged at the lower side of the wastewater storage tank (1) and receives wastewater discharged from the wastewater storage tank (1), the additive pre-dissolution tank (3) is arranged at the upper side of the wastewater reaction tank (2) and is communicated with the wastewater reaction tank (2), the dosing assembly (4) is arranged at the side of the additive dissolution tank and adds additives into the additive pre-dissolution tank (3), the water adding tank (5) is arranged at the side of the dosing assembly (4) and adds water into the additive pre-dissolution tank (3), and the plurality of wastewater sedimentation tanks (6) are arranged at the lower side of the wastewater reaction tank (2) and are communicated with the wastewater reaction tank (2).

2. The thermoelectric wastewater treatment device of claim 1, wherein: The dosing assembly (4) comprises a dosing barrel (41) arranged at the top of the additive pre-dissolution tank (3), a dosing hopper (42) arranged at the top of the dosing barrel (41), and a dosing grid (43) rotatably arranged in the dosing barrel (41), the dosing grid (43) uniformly and circumferentially separates the inner cavity of the dosing barrel (41) into storage cavities (44), the additive pre-dissolution tank (3) is sequentially communicated with the storage cavities (44) with the rotation of the dosing grid (43), and the dosing hopper (42) is sequentially communicated with the storage cavities (44) with the rotation of the dosing grid (43).

3. The thermoelectric wastewater treatment device of claim 2, wherein: The dosing grid (43) comprises a rotating shaft (431) coaxially and rotatably connected to the dosing barrel (41), and a partition plate (432) circumferentially and uniformly arranged at the end of the rotating shaft (431), the top of the additive pre-dissolution tank (3) is provided with a medicine inlet hole (31) communicated with the dosing barrel (41), the lower end of the storage cavity (44) is gradually narrowed, and the inner wall of the storage cavity (44) is smoothly connected to the medicine inlet hole (31).

4. The thermoelectric wastewater treatment device of claim 3, wherein: The top of the dosing barrel (41) is provided with a dosing hole (411) communicated with one of the storage cavities (44), the dosing hole (411) and the medicine inlet hole (31) are respectively located at the two sides of the rotating shaft (431), the lower end of the dosing hopper (42) is communicated with the dosing hole (411), the upper end of the storage cavity (44) is gradually narrowed, and the inner wall of the storage cavity (44) is smoothly connected to the dosing hole (411).

5. The thermoelectric wastewater treatment device of claim 1, wherein: The lower end of the additive pre-dissolution tank (3) is provided with a dosing pipe (32) inserted into the wastewater reaction tank (2), and the lower end of the dosing pipe (32) is split into a plurality of medicine distribution pipes (33) arranged at the top of the wastewater reaction tank (2) in a circumferentially uniform and spaced manner.

6. The thermoelectric wastewater treatment device of claim 5, wherein: The additive pre-dissolution tank (3) and the wastewater reaction tank (2) are both rotatably provided with a stirring shaft (34).

7. The thermoelectric wastewater treatment device of claim 1, wherein: The lower end of the wastewater reaction tank (2) is provided with a plurality of water transmission pipes (21), one end of each water transmission pipe (21) away from the wastewater reaction tank (2) is provided with a water nozzle (22) in a flat and long shape, and the water nozzle (22) is horizontally communicated with the top side end of the wastewater sedimentation tank (6).

8. The thermoelectric wastewater treatment device of claim 7, wherein: The bottom of the wastewater sedimentation tank (6) is inclined, and a long strip-shaped sediment discharge long hole (61) is arranged at the lowest part of the tank bottom.

9. The thermoelectric wastewater treatment device of claim 8, wherein: The side end surface and the bottom surface of the wastewater sedimentation tank (6) are parallel to both sides of the sediment discharge long hole (61) and are provided with long strip-shaped clamping grooves (63), and the sealing long strip (62) is respectively provided with clamping strips (621) which are slidably inserted into the clamping grooves (63).

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