Chemical wastewater treatment system

Abstract

The utility model discloses a chemical wastewater treatment system which comprises a treatment box and further comprises a plurality of filters which are respectively arranged in the treatment box; one end of the liquid inlet pipe is used for being connected with a wastewater conveying pipeline, and the other end of the liquid inlet pipe extends into the treatment box and is respectively connected with the plurality of filters; one end of the filling pipe is connected with a wastewater treatment liquid conveying pipeline, and the other end of the filling pipe is connected with the treatment box; the liquid discharge pipe is connected to the bottom of the treatment box; and the stirrer is arranged in the treatment box. According to the utility model, solid impurity particles in the chemical wastewater can be filtered, and the risk of pipeline blockage of the chemical wastewater treatment system is reduced, so that the use stability of the chemical wastewater treatment system is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical wastewater treatment, especially to a chemical wastewater treatment system. BACKGROUND

[0002] At present, chemical wastewater often accompanies chemical production process, if the chemical wastewater is not treated and discharged, it will cause water pollution, thereby endangering human health.

[0003] The chemical wastewater treatment equipment in the related art usually comprises a treatment box, a liquid inlet pipe, a liquid outlet pipe, a filling pipe and a stirrer, the chemical wastewater enters the treatment box through the liquid inlet pipe, the wastewater treatment liquid enters the treatment box through the filling pipe, then the stirrer is used to mix and stir the chemical wastewater and the wastewater treatment liquid, so that the chemical wastewater and the wastewater treatment liquid fully react. Then, the wastewater is detected, if each index of the wastewater meets the standard, the wastewater can be discharged through the liquid outlet pipe, if the index of the wastewater does not meet the standard, the wastewater is further treated.

[0004] However, the chemical wastewater in the related art usually contains some solid impurity particles, in the process of treating the chemical wastewater, the solid impurity particles may block the pipeline, thereby affecting the use stability of the chemical wastewater treatment equipment, which needs to be improved. SUMMARY

[0005] In view of the defects in the prior art, the utility model aims at providing a chemical wastewater treatment system, which can filter the solid impurity particles in the chemical wastewater, reduce the risk of pipeline blockage of the chemical wastewater treatment system, and ensure the use stability of the chemical wastewater treatment system.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a chemical wastewater treatment system comprises a treatment box, and further comprises:

[0007] a plurality of filters arranged in the treatment box;

[0008] a liquid inlet pipe, one end of which is connected with a wastewater conveying pipeline, and the other end of which extends into the treatment box and is connected with the filters;

[0009] a filling pipe, one end of which is connected with a wastewater treatment liquid conveying pipeline, and the other end of which is connected with the treatment box;

[0010] a liquid outlet pipe connected to the bottom of the treatment box;

[0011] a stirrer arranged in the treatment box.

[0012] In a preferred example, the filter comprises:

[0013] A filter box is fixed to the inner wall of the treatment box, a plurality of liquid discharge holes are arranged on the top of the filter box, and the liquid inlet pipe is connected to the bottom of the filter box.

[0014] Filtering fillers are filled in the filter box.

[0015] In a preferred example, the filling pipe can further comprise:

[0016] A communication pipe is horizontally fixed to the inner wall of the treatment box, and a plurality of filter boxes are located below the communication pipe.

[0017] A main filling pipe is used for connecting with a wastewater treatment liquid conveying pipeline at one end and extending into the treatment box at the other end, and is connected with the communication pipe.

[0018] A plurality of branch filling pipes are vertically connected to the bottom of the communication pipe, and the plurality of branch filling pipes are arranged above the corresponding filter boxes.

[0019] In a preferred example, the stirrer can further comprise:

[0020] A stirring shaft is horizontally arranged in the treatment box, and a plurality of filter boxes are located above the stirring shaft.

[0021] A plurality of stirring wheels are fixedly arranged on the stirring shaft.

[0022] A driving motor is fixed to the treatment box, and an output shaft of the driving motor is coaxially fixedly connected with the stirring shaft.

[0023] In a preferred example, the stirring blades on the stirring wheels are arranged in an inclined manner, and the inclined directions of the stirring blades on adjacent two stirring wheels are opposite.

[0024] In a preferred example, the driving motor is a reversing motor, and the stirring shaft can be controlled to alternately rotate in the forward and reverse directions.

[0025] In a preferred example, a sampling pipe is connected to the bottom of the treatment box, and a sampling valve is arranged on the sampling pipe.

[0026] In summary, the present application has the following advantages:

[0027] 1. By setting a filter in the treatment box, and the liquid inlet pipe is connected with the filter, when the chemical wastewater enters the treatment box, the filter can automatically filter the solid impurity particles in the chemical wastewater, reduce the risk of pipeline blockage of the chemical wastewater treatment system, so as to ensure the use stability of the chemical wastewater treatment system.

[0028] 2. Since the filling branch pipe is located directly above the corresponding filter box, after the wastewater treatment liquid is discharged through the filling branch pipe, the wastewater treatment liquid can quickly contact the chemical wastewater, so that the wastewater treatment liquid and the chemical wastewater can quickly react, thereby improving the wastewater treatment efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the overall structure schematic diagram of the embodiment;

[0030] Figure 2 is the cross-sectional view of the embodiment;

[0031] Figure 3 is the enlarged schematic view of the A area in Figure 2

[0032] Reference signs: 1, treatment box; 2, filter; 21, filter box; 22, filter filler; 23, liquid discharge hole; 3, liquid inlet pipe; 4, filling pipe; 41, communication pipe; 42, filling main pipe; 43, filling branch pipe; 5, liquid discharge pipe; 6, stirrer; 61, stirring shaft; 62, stirring wheel; 63, driving motor; 7, sampling pipe; 8, sampling valve. DETAILED DESCRIPTION

[0033] The utility model will be further explained in detail below in combination with the drawings.

[0034] Referring to Figure 1 , Figure 2 A chemical wastewater treatment system, comprising a treatment box 1, a plurality of filters 2, a liquid inlet pipe 3, a filling pipe 4, a liquid discharge pipe 5 and a stirrer 6, the plurality of filters 2 are arranged in the treatment box 1 respectively, and the plurality of filters 2 are arranged at equal intervals along the length direction of the treatment box 1, one end of the liquid inlet pipe 3 is used to be connected with a wastewater delivery pipeline, the other end extends into the treatment box 1 and is connected with the plurality of filters 2 respectively. One end of the filling pipe 4 is used to be connected with a wastewater treatment liquid delivery pipeline, and the other end is connected with the treatment box 1, the liquid discharge pipe 5 is connected to the bottom of the treatment box 1, and the stirrer 6 is arranged in the treatment box 1 and is used to mix and stir the chemical wastewater and the wastewater treatment liquid.

[0035] ​When the chemical wastewater needs to be treated, the valve on the wastewater conveying pipeline is opened, and the chemical wastewater enters the plurality of filters 2 through the liquid inlet pipe 3. At this time, the filters 2 filter the solid impurity particles in the chemical wastewater, and then the filtered chemical wastewater enters the treatment tank 1. At the same time, the valve on the wastewater treatment liquid conveying pipeline is opened, so that the wastewater treatment liquid enters the treatment tank 1 through the filling pipe 4. At this time, the chemical wastewater and the wastewater treatment liquid are mixed and stirred by the stirrer 6, and then the treated chemical wastewater can be discharged through the liquid outlet pipe 5.

[0036] The chemical wastewater treatment system in this embodiment can automatically filter the solid impurity particles in the chemical wastewater when the chemical wastewater enters the treatment tank 1, thereby reducing the risk of pipeline blockage of the chemical wastewater treatment system and ensuring the use stability of the chemical wastewater treatment system.

[0037] Referring to Figure 2 , Figure 3 The filter 2 includes a filter tank 21 fixed to the inner wall of the treatment tank 1, and the filter tank 21 is filled with filter filler 22. At the same time, the liquid inlet pipe 3 is connected to the bottom of the filter tank 21, and a plurality of liquid outlet holes 23 are provided at the top of the filter tank 21. The chemical wastewater enters the filter tank 21 through the liquid inlet pipe 3, and the solid impurity particles in the chemical wastewater are blocked under the action of the filter filler 22, and then the filtered chemical wastewater is discharged through the plurality of liquid outlet holes 23.

[0038] In this embodiment, the filter filler 22 can be arranged in the order of cobble, ceramic sheet, activated carbon particles and filter cotton from bottom to top, and the particle size of the cobble, ceramic sheet and activated carbon particles decreases in turn to realize stable filtration of the chemical wastewater.

[0039] Referring to Figure 1 , Figure 2 The filling pipe 4 includes a communication pipe 41, a filling main pipe 42 and a plurality of filling branch pipes 43. The communication pipe 41 is fixed horizontally to the inner wall of the treatment tank 1, and the plurality of filter tanks 21 are located below the communication pipe 41. One end of the filling main pipe 42 is used to connect the wastewater treatment liquid conveying pipeline, and the other end extends into the treatment tank 1 and is connected to the communication pipe 41. The plurality of filling branch pipes 43 are vertically connected to the bottom of the communication pipe 41, and the plurality of filling branch pipes 43 are arranged one by one above the corresponding filter tanks 21.

[0040] Since the filling branch pipe 43 is located directly above the corresponding filter tank 21, after the wastewater treatment liquid is discharged through the filling branch pipe 43, the wastewater treatment liquid can quickly contact the chemical wastewater, so that the wastewater treatment liquid and the chemical wastewater can quickly react, thereby improving the wastewater treatment efficiency.

[0041] Referring toFigure 2 The agitator 6 comprises an agitator shaft 61 horizontally arranged in the treatment box 1, and a plurality of filter boxes 21 are respectively arranged above the agitator shaft 61, a plurality of stirring wheels 62 are fixedly sleeved on the agitator shaft 61, a driving motor 63 is fixedly connected to the treatment box 1, and an output shaft of the driving motor 63 is coaxially fixedly connected with the agitator shaft 61.

[0042] With reference to Figure 2 The stirring blades on the stirring wheels 62 are arranged in an inclined manner, and the inclined directions of the stirring blades on adjacent two stirring wheels 62 are opposite, so as to promote the mutual movement effect of the wastewater treatment liquid and the chemical wastewater, and improve the mixing uniformity.

[0043] With reference to Figure 2 The driving motor 63 is a commutator motor, and the commutator motor can control the agitator shaft 61 to alternately rotate forward and reversely, so as to break the movement rule of the wastewater treatment liquid and the chemical wastewater, promote the rapid reaction of the two, and improve the wastewater treatment efficiency.

[0044] With reference to Figure 1 , Figure 2 The bottom of the treatment box 1 is connected with a sampling pipe 7, and a sampling valve 8 is arranged on the sampling pipe 7, when the wastewater treatment liquid and the chemical wastewater react for a period of time, the sampling valve 8 can be opened, so that the chemical wastewater is discharged through the sampling pipe 7, so that the staff can quickly collect the chemical wastewater sample, and then the staff can test the chemical wastewater sample.

[0045] The specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A chemical wastewater treatment system comprising a treatment tank (1), characterized in that: The chemical wastewater treatment system further comprises: a plurality of filters (2) arranged in the treatment tank (1) respectively; an inlet pipe (3) having one end connected with a wastewater conveying pipe and the other end extending into the treatment tank (1) and connected with the plurality of filters (2) respectively; a filling pipe (4) having one end connected with a wastewater treatment liquid conveying pipe and the other end connected with the treatment tank (1); a liquid outlet pipe (5) connected with the bottom of the treatment tank (1); a stirrer (6) arranged in the treatment tank (1).

2. The chemical wastewater treatment system of claim 1, wherein: The filter (2) comprises: a filter tank (21) fixed to the inner wall of the treatment tank (1), the top of the filter tank (21) being provided with a plurality of liquid outlet holes (23), and the inlet pipe (3) being connected to the bottom of the filter tank (21); filtering filler (22) filled in the filter tank (21).

3. The chemical wastewater treatment system of claim 2, wherein: The filling pipe (4) comprises: a communication pipe (41) fixed horizontally to the inner wall of the treatment tank (1), and the plurality of filter tanks (21) being arranged below the communication pipe (41) respectively; a filling main pipe (42) having one end connected with a wastewater treatment liquid conveying pipe and the other end extending into the treatment tank (1) and connected with the communication pipe (41); a plurality of filling branch pipes (43) vertically connected to the bottom of the communication pipe (41) respectively, and the plurality of filling branch pipes (43) being arranged above the corresponding filter tanks (21) respectively.

4. The chemical wastewater treatment system of claim 2, wherein: The stirrer (6) comprises: a stirring shaft (61) arranged horizontally and rotatably in the treatment tank (1), and the plurality of filter tanks (21) being arranged above the stirring shaft (61) respectively; a plurality of stirring wheels (62) fixed on the stirring shaft (61) respectively; a driving motor (63) fixed on the treatment tank (1), and the output shaft of the driving motor (63) being coaxially fixedly connected with the stirring shaft (61).

5. The chemical wastewater treatment system of claim 4, wherein: The stirring blades on the stirring wheel (62) are arranged in an inclined manner, and the inclined directions of the stirring blades on adjacent two stirring wheels (62) are opposite.

6. The chemical wastewater treatment system of claim 4, wherein: The driving motor (63) is a reversing motor and can control the stirring shaft (61) to rotate alternately in forward and reverse directions.

7. The chemical wastewater treatment system of claim 1, wherein: The bottom of the treatment tank (1) is connected with a sampling pipe (7), and a sampling valve (8) is arranged on the sampling pipe (7).

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