Chemical wastewater treatment integrated device

Abstract

The utility model discloses an integrated device for treating chemical wastewater, which is characterized in that a facultative square box is arranged on a supporting base, a stirrer is arranged in the facultative square box, a liquid outlet of the facultative square box is connected with a liquid inlet of an anaerobic reactor through a pipeline, and the liquid outlet of the facultative square box is higher than the liquid inlet of the anaerobic reactor; the chemical wastewater treatment device disclosed by the utility model has the characteristics that the chemical wastewater is subjected to mixed pretreatment, the biodegradability of the chemical wastewater is better, microorganisms are in full contact with the wastewater, and the treatment efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental protection equipment for chemical production, in particular to waste water treatment in a chemical reaction process. Background Art

[0002] At present, the production wastewater of chemical enterprises has become one of the most serious and difficult to treat wastewaters in my country due to its complex composition, various types of organic pollutants, high concentration, especially biochemical and intermittent discharge characteristics. There are at least the following disadvantages in the use of existing integrated devices for chemical wastewater: 1. The existing integrated devices for chemical wastewater have a single structure and cannot perform mixed pretreatment on chemical wastewater, resulting in poor biodegradability of chemical wastewater, thus affecting the discharge treatment process; 2. The existing integrated devices for chemical wastewater do not fully consider the requirements of various processes for concentration gradients, and are not conducive to full contact between microorganisms and wastewater, resulting in low treatment efficiency. Therefore, an integrated treatment device for chemical wastewater is urgently needed. Utility Model Content

[0003] The utility model aims to improve the deficiencies of the prior art and provide an integrated chemical wastewater treatment device for pre-mixing chemical wastewater, which has good biodegradability, sufficient contact between microorganisms and wastewater, and high treatment efficiency.

[0004] The purpose of the utility model is achieved in this way. An integrated device for treating chemical wastewater includes an anaerobic box and an anaerobic reactor. The anaerobic box is characterized in that the anaerobic box is installed on a supporting base, a stirrer is arranged in the anaerobic box, the liquid outlet of the anaerobic box is connected to the liquid inlet of the anaerobic reactor through a pipeline, the liquid outlet of the anaerobic box is higher than the liquid inlet of the anaerobic reactor, reflux point-shaped water distribution valves are arranged at intervals on the anaerobic reactor, and the anaerobic reactor is a cylindrical deep anaerobic reactor.

[0005] In order to further achieve the purpose of the utility model, there may be more than two reflux point-shaped water distribution valves, which are arranged at equal intervals above and below the anaerobic reactor.

[0006] In order to further achieve the purpose of the utility model, a water bath jacket may be provided outside the anaerobic reactor.

[0007] Compared with the prior art, the utility model has the following significant features and positive effects:

[0008] 1. The utility model improves the biodegradability of wastewater by arranging a square box with a stirrer and an oxygenator at the front end of a cylindrical deep anaerobic reactor, which is conducive to uniform mixing of wastewater, improves the stability and efficiency of wastewater treatment, and provides support for the subsequent deep anaerobic reactor;

[0009] 2. The utility model evenly arranges two or more reflux point-shaped water distribution valves at upper and lower intervals on the deep anaerobic reactor to increase the mixing degree of wastewater inside the anaerobic reactor, which can be used for reflux and for point-by-point water distribution, greatly improving the stability and removal efficiency of the reactor;

[0010] 3. A water bath jacket is set outside the anaerobic reactor. When the temperature is low, hot water is passed into the water bath jacket for water bath heating, so that the temperature inside the anaerobic reactor is effectively controlled, which plays a good role in the stable operation of the wastewater reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] In the figure: 1. anoxic box, 2. agitator, 3. support base, 4. anaerobic reactor, 5. water distributor, 6. sludge drain valve, 7. connecting pipe, 8. water bath jacket, 9. reflux point water distribution valve, 10. exhaust port, 11. detection sampling port, 12. water outlet pipe, 13. vapor-liquid-solid separator. DETAILED DESCRIPTION

[0013] An integrated device for treating chemical wastewater, referring to Figure 1 , including a conventional facultative oxygen box 1 and an anaerobic reactor 4, the anaerobic reactor 4 is a cylindrical deep anaerobic reactor, including a water distributor 5, a sludge emptying valve 6, an exhaust port 10, a detection sampling port 11, a water outlet pipe 12, and a gas-liquid-solid separator 13. The above are all conventional technologies, and their connection methods and positions are no longer described in detail. The facultative oxygen box 1 is installed on a supporting base 3, and an agitator 2 is arranged in the facultative oxygen box 1. The liquid outlet of the facultative oxygen box 1 is connected to the liquid inlet of the anaerobic reactor 4 through a connecting pipe 7. The liquid outlet of the facultative oxygen box 1 is higher than the liquid inlet of the anaerobic reactor 4. Reflux point-shaped water distribution valves 9 are arranged at intervals on the anaerobic reactor 4. The reflux point-shaped water distribution valves 9 are more than two, and are arranged at equal intervals above and below the anaerobic reactor 4. This embodiment adopts three reflux point-shaped water distribution valves 9, and a water bath jacket 8 is arranged outside the anaerobic reactor 4.

[0014] The wastewater is pumped into the anoxic box 1 by a lifting pump, and is stirred by a stirrer 2 inside the anoxic box 1 to be fully mixed and evenly mixed, and anoxic reaction is carried out to improve biodegradability and the B / C ratio, and then flows out of the liquid outlet, and flows into the cylindrical deep anaerobic reactor 4 by gravity through the connecting pipe 7. The wastewater slowly rises through the water distributor 5 at the bottom of the cylindrical deep anaerobic reactor 4. In order to ensure that it can fully react with the anaerobic bacteria in the reactor, a reflux point-shaped water distribution valve 9 can be used for self-reflux or external reflux. Therefore, the wastewater has a high degree of mixing in the reactor and the removal rate is significantly improved. When the temperature is low, circulating hot water can be introduced into the water bath jacket 8 for water bath heating, so that the temperature in the anaerobic reactor 4 is effectively controlled, which plays a good role in the stable operation of the wastewater reaction. The removal efficiency of the utility model chemical wastewater treatment integrated device is significantly improved, which can meet the needs of most chemical wastewater treatment devices.

Claims

1. An integrated device for treating chemical wastewater, comprising an aerobic box and an anaerobic reactor, characterized in that The facultative oxygen box is installed on a supporting base, an agitator is arranged in the facultative oxygen box, the liquid outlet of the facultative oxygen box is connected to the liquid inlet of the anaerobic reactor through a pipeline, the liquid outlet of the facultative oxygen box is higher than the liquid inlet of the anaerobic reactor, reflux point-shaped water distribution valves are arranged at intervals on the anaerobic reactor, and the anaerobic reactor is a cylindrical deep anaerobic reactor.

2. The integrated device for treating chemical wastewater according to claim 1 is characterized in that There are more than two return point water distribution valves, which are arranged at equal intervals above and below the anaerobic reactor.

3. The integrated device for treating chemical wastewater according to claim 1 is characterized in that A water bath jacket is arranged outside the anaerobic reactor.

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