Feeding device for filtering industrial wastewater

Abstract

The utility model relates to the technical field of industrial wastewater filtration, and discloses a feeding device for industrial wastewater filtration, which comprises a reaction tank, a storage tank and the like. The first discharging pipe is connected with the first liquid inlet pipe through a rotary sealing bearing, the inner end is connected with a plurality of thin pipes with holes, and reaction liquid can be evenly sprayed to be mixed with waste water. The impeller is fixed on the first blanking pipe and is pushed by the wastewater to rotate, so that the reaction liquid and the wastewater are more fully mixed. A flowmeter is mounted on the first liquid inlet pipe, a dosing metering pump is mounted between the storage box and the first discharging pipe, and the reaction liquid conveying amount can be adjusted according to the wastewater flow. The device further comprises a second discharging pipe connected with the bottom of the funnel-shaped storage box, an internal spiral discharging rod is driven by a servo motor, and a solid reaction material is fed into the first liquid inlet pipe to be mixed with wastewater. The plurality of reaction tanks are communicated through the first liquid inlet pipe, so that continuous treatment can be realized. Materials for treating wastewater are directly and uniformly fed into the first liquid inlet pipe to be mixed with flowing wastewater, so that the time is saved, and the treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial wastewater filtering technical field, concretely is a kind of industrial wastewater filtering and feeding device. BACKGROUND

[0002] The treatment of industrial wastewater includes the treatment of complex wastewater, acidic wastewater, high-concentration organic wastewater, cyanide-containing wastewater, silver-containing wastewater, nickel-containing wastewater and low-concentration organic wastewater.

[0003] Among them, the high-concentration organic wastewater enters a high-concentration organic wastewater conditioning tank, is pumped into a pH conditioning tank after being homogenized and equally distributed, acid is added, the pH is controlled to 3, and polyferric sulfate is added. Under acidic conditions, the wastewater enters an acid precipitation tank, and the organic matter in it forms large particle suspensions and precipitates. Then, base is added to the wastewater to adjust the pH to 9-9.5. Subsequently, under the coagulation and flocculation of PAC (polyaluminum chloride) and PAM (polyacrylamide), the suspended solids in the wastewater and Cu(OH)2 precipitated by Cu2+ are removed in the precipitation tank. The pretreated high-concentration organic wastewater is discharged to a low-concentration organic wastewater conditioning tank for further treatment. The treated wastewater is further treated by biochemical treatment to further reduce the concentration of pollutants and meet the discharge standard.

[0004] In the prior art, the reactants such as acid and base are usually directly added to the wastewater conditioning tank. The existing wastewater conditioning tank for industrial wastewater has a large area, and the fixed-point feeding method leads to uneven distribution of reactants, slow mixing speed, and low treatment efficiency. If a large-scale stirring device is installed in the industrial wastewater, not only the cost is high, but also the energy consumption is high, and a series of safety problems may occur.

[0005] To solve this problem, a more advanced feeding device can be considered to improve the efficiency and effectiveness of wastewater treatment and reduce the processing time and cost.

[0006] Therefore, we propose an industrial wastewater filtering and feeding device to solve the problems in the above background. SUMMARY

[0007] The purpose of the utility model is to provide an industrial wastewater filtering and feeding device to solve the problem of low reaction treatment efficiency caused by uneven feeding in the wastewater conditioning tank for industrial wastewater as mentioned in the above background technology.

[0008] To solve the above technical problems, the utility model provides the following technical solutions:

[0009] The utility model provides an industrial wastewater filtering material adding device, including reaction tank, storage tank, with the first liquid inlet pipe of reaction tank intercommunication, with the first liquid inlet pipe intercommunication of the rotation communication of storage tank bottom, the material conveying pipe of feeding is connected with the first liquid inlet pipe inside, and the rotating sealing bearing is arranged to the first liquid inlet pipe connection place of material conveying pipe, and the impeller that can be driven by water flow is arranged in the first liquid inlet pipe.

[0010] The material conveying pipe is the first downcomer pipe, the first downcomer pipe extends to the inside of the first liquid inlet pipe, a plurality of fine tubes are fixedly connected to one end of the inside of the first liquid inlet pipe, and the fine tubes are uniformly provided with liquid outlet holes.

[0011] The impeller is fixedly connected to the position of the first downcomer pipe in the inside of the first liquid inlet pipe, the impeller is rotatably connected to the inside of the first liquid inlet pipe, and the impeller is radially perpendicular to the first liquid inlet pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The industrial wastewater filtering material adding device has the following beneficial effects:

[0014] The utility model discloses a material adding device for industrial wastewater filtering, which comprises a reaction tank, a storage tank, a first liquid inlet pipe connected with the reaction tank, a material conveying pipe rotatably connected with the bottom of the storage tank, and an impeller rotatably connected in the first liquid inlet pipe.

[0015] Further, the reaction liquid and the industrial wastewater are more fully mixed by the impeller, the reaction speed is accelerated, the treatment efficiency of the industrial wastewater is improved, the dosing metering pump and the flowmeter are used in cooperation, the input proportion of the reaction liquid can be adjusted according to the flow of the industrial wastewater, the standardized treatment is realized, and no external mixing and stirring equipment is needed, so that the operation is simpler and faster.

[0016] The spiral downcomer rod in the second embodiment can send solid reaction material into the first liquid inlet pipe and mix with the industrial wastewater, so that the device is suitable for different types of reaction materials; a plurality of reaction tanks are connected through the first liquid inlet pipe, so that the continuous treatment of the industrial wastewater can be realized, and the treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole external structure schematic diagram of the embodiment one of the utility model;

[0018] Figure 2 It is the first liquid inlet pipe cross section structure schematic diagram of the embodiment one of the utility model;

[0019] Figure 3The embodiment one of the utility model discloses a whole cross section structure schematic diagram.

[0020] Figure 4 The utility model discloses a plurality of reaction tank connecting structure schematic diagram.

[0021] Wherein: 1, reaction tank, 2, storage tank, 3, first liquid inlet pipe, 5, rotary seal bearing, 6, impeller, 7, first blanking pipe, 8, fine tube, 9, liquid outlet hole, 10, dosing pump, 11, second blanking pipe, 12, spiral blanking rod, 13, servo motor, 14, shaft. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0023] Embodiment one:

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] An industrial wastewater filtering material adding device, including reaction tank 1, storage tank 2, with the first liquid inlet pipe 3 of reaction tank 1 intercommunication, with the first blanking pipe 7 of storage tank 2 bottom rotary intercommunication, first blanking pipe 7 is through to the inside of first liquid inlet pipe 3, first blanking pipe 7 with the rotary seal bearing 5 of first liquid inlet pipe 3 junction is provided with, through rotary seal bearing 5 makes first blanking pipe 7 relative first liquid inlet pipe 3 rotatable and prevents its leakage.

[0026] The first blanking pipe 7 is fixedly connected with a plurality of fine tubes 8 at the inside end of the first liquid inlet pipe 3, the fine tubes 8 are uniformly distributed with liquid outlet holes 9, the reaction liquid in the storage tank 2 flows to the plurality of fine tubes 8 through the first blanking pipe 7, and the reaction liquid is uniformly sprayed in the first liquid inlet pipe 3 through the plurality of fine tubes 8, so that the industrial wastewater is mixed with the reaction liquid in the first liquid inlet pipe 3, and then enters the reaction tank 1, forms neutralized or precipitated wastewater, and is convenient for the next step processing, the characteristics of the structure are that the material for treating wastewater is directly and uniformly sent into the first liquid inlet pipe 3, and is mixed with the flowing industrial wastewater, so that the mixing treatment is carried out while being injected into the reaction tank 1, without waiting for the wastewater to enter the reaction tank 1 before adding material, more time-saving, high processing efficiency, without the aid of external mixing and stirring equipment, more simple and fast operation, solve the problem that the wastewater of large-scale industrial wastewater pool is large, the distribution of added reaction material is uneven, leading to slow mixing speed and reduced processing efficiency.

[0027] Further, the first lower pipe 7 is fixedly connected with the impeller 6 at a position inside the first liquid inlet pipe 3, the impeller 6 is rotationally connected inside the first liquid inlet pipe 3 and is perpendicular to the first liquid inlet pipe 3 in the radial direction, the industrial wastewater delivered inside the first liquid inlet pipe 3 drives the impeller 6 to rotate, the impeller 6 drives the first lower pipe 7 to rotate, and the fine pipe 8 on the first lower pipe 7 sprays the reaction liquid while rotating, so that the reaction liquid can be more fully mixed with the industrial wastewater, the reaction speed is accelerated, and the treatment efficiency of the industrial wastewater is improved.

[0028] Further, the first liquid inlet pipe 3 is provided with a flow meter, a dosing metering pump 10 is installed between the storage tank 2 and the first lower pipe 7, the dosing metering pump 10 is fixedly connected to the bottom of the storage tank 2, the reaction liquid inside the storage tank 2 is extracted by the dosing metering pump 10 and is pressurized and delivered to the inside of the first lower pipe 7, so as to ensure the stable output of the reaction liquid and control the delivery amount, and the flow of the industrial wastewater inside the first liquid inlet pipe 3 is monitored by the flow meter, so as to adjust the delivery amount of the dosing metering pump 10, so that the reaction liquid is put into the industrial wastewater at a proper ratio, and standard treatment is realized.

[0029] The model of the dosing metering pump 10 is JMC mechanical diaphragm metering pump.

[0030] The reaction liquid is an acidic solution or an alkaline solution.

[0031] The reaction tank 1 is communicated with a feed inlet at the upper end for injecting the reaction liquid.

[0032] Example two:

[0033] Please refer to Figures 1-4 and combine with example one, further obtained, which is different from example one, the bottom of the storage tank 2 is provided with a funnel shape, and the bottom is fixedly communicated with a second lower pipe 11, the second lower pipe 11 is connected with the sealing bearing on the first liquid inlet pipe 3 away from the storage tank 2, and does not enter the inside of the first liquid inlet pipe 3.

[0034] The inside of the storage tank 2 is rotationally connected with a spiral feeding rod 12, and the upper end of the storage tank 2 is fixedly connected with a servo motor 13 for driving the spiral feeding rod 12 to rotate;

[0035] The spiral feeding rod 12 extends to the inside of the second lower pipe 11, and the outer edge of the spiral feeding rod 12 cooperates with the inner wall of the second lower pipe 11, the middle of the impeller 6 is fixedly connected with a shaft 14, and the lower end of the shaft 14 is rotationally connected with the inner wall of the first liquid inlet pipe 3.

[0036] The solid reaction material in the storage box 2 is sent into the second feeding pipe 11 by rotating the spiral feeding rod 12 driven by the servo motor 13, and then into the first liquid inlet pipe 3 to mix with the industrial wastewater, and the solid reaction material and the industrial wastewater are further mixed quickly by rotating the impeller 6 around the shaft 14 driven by the industrial wastewater in the first liquid inlet pipe 3, so that the solid reaction material and the industrial wastewater are uniformly and quickly mixed.

[0037] When the wastewater is treated, the plurality of reaction tanks 1 are communicated through the first liquid inlet pipe 3, and the industrial wastewater enters different reaction tanks 1 in sequence, and when the industrial wastewater is treated, the solid reaction material is added and mixed before the industrial wastewater enters the reaction tank 1 through the first liquid inlet pipe 3 according to the feeding mode in the above embodiment, so that the continuous treatment of the industrial wastewater is realized, and the treatment efficiency is improved.

[0038] The working principle of the industrial wastewater filtering and feeding device is as follows:

[0039] The industrial wastewater enters the reaction tank 1 through the first liquid inlet pipe 3, the reaction liquid in the storage box 2 enters the first liquid inlet pipe 3 through the first feeding pipe 7, the reaction liquid is uniformly sprayed in the first liquid inlet pipe 3 through a plurality of thin pipes 8 on the first feeding pipe 7, and then mixed with the industrial wastewater, the impeller 6 is rotated under the driving of the industrial wastewater in the first liquid inlet pipe 3, the first feeding pipe 7 is rotated, the reaction liquid and the industrial wastewater are more fully mixed, the reaction liquid in the storage box 2 is extracted by the dosing pump 10, and then is pressurized and conveyed into the first feeding pipe 7, so that the stable output of the reaction liquid is ensured, and the conveying amount is adjusted according to the industrial wastewater flow monitored by the flow meter, so that the reaction liquid is added into the industrial wastewater at a proper ratio.

[0040] For the solid reaction material, the solid reaction material in the storage box 2 is sent into the second feeding pipe 11 by rotating the spiral feeding rod 12 driven by the servo motor 13, and then into the first liquid inlet pipe 3 to mix with the industrial wastewater, and the solid reaction material and the industrial wastewater are further mixed quickly by rotating the impeller 6 around the shaft 14 driven by the industrial wastewater in the first liquid inlet pipe 3, so that the solid reaction material and the industrial wastewater are uniformly and quickly mixed, and the industrial wastewater after the feeding and mixing is treated in the reaction tank 1, and the plurality of reaction tanks 1 are communicated through the first liquid inlet pipe 3, so that the continuous treatment of the industrial wastewater is realized.

[0041] Although the specific embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the specific embodiments without departing from the principles and spirits, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feeding device for industrial wastewater filtration, characterized in that: It includes a reaction tank (1), a storage tank (2), a first liquid inlet pipe (3) connected to the reaction tank (1), a feeding conveying pipe rotatably connected to the bottom of the storage tank (2), the feeding conveying pipe being internally connected to the first liquid inlet pipe (3), a rotating sealed bearing (5) being provided at the connection between the feeding conveying pipe and the first liquid inlet pipe (3), and an impeller (6) that can be driven by water flow being provided inside the first liquid inlet pipe (3).

2. The feeding device for industrial wastewater filtration according to claim 1, characterized in that: The feeding and conveying pipe is the first feeding pipe (7), which extends into the first liquid inlet pipe (3). Multiple thin tubes (8) are fixedly connected to the inner end of the first liquid inlet pipe (3), and liquid outlet holes (9) are evenly distributed on the thin tubes (8).

3. The feeding device for industrial wastewater filtration according to claim 2, characterized in that: The impeller (6) is fixedly connected to the first feed pipe (7) at a position inside the first liquid inlet pipe (3). The impeller (6) is rotatably connected inside the first liquid inlet pipe (3), and the impeller (6) is radially perpendicular to the first liquid inlet pipe (3).

4. The feeding device for industrial wastewater filtration according to claim 3, characterized in that: A flow meter is installed on the first inlet pipe (3), and a dosing metering pump (10) is installed between the storage tank (2) and the first discharge pipe (7). The dosing metering pump (10) is fixedly connected to the bottom of the storage tank (2).

5. The feeding device for industrial wastewater filtration according to claim 4, characterized in that: The upper end of the reaction tank (1) is connected to a feed inlet for injecting reaction liquid.

6. The feeding device for industrial wastewater filtration according to claim 1, characterized in that: The feeding and conveying pipe is the second feeding pipe (11). One end of the second feeding pipe (11) is fixedly connected to the bottom of the storage box (2), and the other end does not enter the interior of the first liquid inlet pipe (3). The bottom of the storage box (2) is set in a funnel shape.

7. The feeding device for industrial wastewater filtration according to claim 6, characterized in that: The storage box (2) is rotatably connected to a spiral feed rod (12), and a servo motor (13) that drives the spiral feed rod (12) to rotate is fixedly connected to the upper end of the storage box (2).

8. The feeding device for industrial wastewater filtration according to claim 7, characterized in that: The spiral feed rod (12) extends into the interior of the second feed pipe (11) and the outer edge of the spiral feed rod (12) is engaged with the inner wall of the second feed pipe (11). The impeller (6) is fixedly connected to the middle of the shaft (14), and the lower end of the shaft (14) is rotatably connected to the inner wall of the first liquid inlet pipe (3).

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