阅读说明：本技术 一种基于可再生凹凸棒石填料的环保型污水处理装置 (environment-friendly sewage treatment plant based on attapulgite filler can regenerate ) 是由 魏东洋 贺涛 安坤 郭志鹏 蒋晓璐 王龙乐 白洁琼 黄春荣 于 2019-08-23 设计创作，主要内容包括：本发明公开了一种基于可再生凹凸棒石填料的环保型污水处理装置,包括用于保护的壳体,用于进行水处理的第一腔体,用于处理后水停留的第二腔体,以及用于凹凸棒石填料再生的处理装置；第一腔体内部填充有填料,填料为凹凸棒石；本发明整体结构设计合理,利用对凹凸棒石进行热风处理完成可再生性,使得整个污水处理过程中无需添加辅助试剂,无二次污染产生,更加环保；并且,采用的改性凹凸棒石填料污水处理效果更好,有效地提高了处理效率；另外,本发明装置能够搭载在车体上,因此在使用范围上具有较大的优势。(the invention discloses an environment-friendly sewage treatment device based on renewable attapulgite filler, which comprises a shell for protection, a first cavity for water treatment, a second cavity for water retention after treatment and a treatment device for regeneration of the attapulgite filler; the first cavity is filled with filler, and the filler is attapulgite; the invention has reasonable integral structure design, completes the renewability by utilizing the hot air treatment of the attapulgite, ensures that no auxiliary reagent is added in the whole sewage treatment process, does not generate secondary pollution and is more environment-friendly; moreover, the sewage treatment effect of the adopted modified attapulgite filler is better, and the treatment efficiency is effectively improved; in addition, the device of the present invention can be mounted on a vehicle body, and therefore, has a great advantage in the range of use.)

1. an environment-friendly sewage treatment device based on renewable attapulgite filler is characterized by comprising a shell (1) for protection, a first cavity (2) for water treatment, a second cavity (3) for water retention after treatment and a treatment device (4) for recycling the attapulgite filler;

the first cavity (2) is positioned inside the shell (1); a first shielding piece (21) is arranged in the first cavity (2), the first shielding piece (21) is made of a reversed funnel-shaped stainless steel metal plate, and the first cavity (2) is divided into a lower cavity (201) and an upper cavity (202) by the first shielding piece (21); a second shielding piece (22) is arranged in the upper cavity (202), the second shielding piece (22) is a stainless steel cylinder, water leakage holes are uniformly formed in the bottom surface and the side surface of the second shielding piece, and the second shielding piece (22) divides the upper cavity (202) into an upper inner cavity (203) and an upper outer cavity (204);

A water inlet is formed in the shell (1) and connected with the lower cavity (201);

the second cavity (3) is communicated with the upper outer cavity (204) through a water guide pipe;

The bottoms of the lower cavity (201) and the upper outer cavity (204) are provided with back flushing ports; the back washing port is connected with the second cavity (3) through a pump; sludge discharge openings are formed in the bottoms of the lower cavity (201), the upper outer cavity (204) and the second cavity (3), electromagnetic valves are arranged on the sludge discharge openings, and the sludge discharge openings discharge sludge to the outside of the shell (1) through pipelines;

The upper inner cavity (203) is filled with a filler, and the filler is attapulgite;

The treatment device (4) comprises a fan (41) for blowing air, a heater (42) for heating the blown air, and a hot air pipeline (43) arranged in the upper inner cavity (203) for carrying out hot air treatment on the filler.

2. The environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 1, characterized in that a grid net is arranged at the connection of the water inlet and the lower cavity (201).

3. The environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 1, characterized in that the filler is modified attapulgite.

4. The environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 3, characterized in that the modified attapulgite is prepared by the following steps:

(1) Pretreatment of

purifying attapulgite by adopting a dry purification method, and crushing to 150-180 meshes to obtain attapulgite powder;

(2) modification treatment

Mixing 10-13 parts by mass of barium nitrate, 12-18 parts by mass of polymeric ferric salt and 36-57 parts by mass of attapulgite powder, dissolving the mixture in deionized water with the same mass, placing the mixture in a magnetic field generator with the magnetic field intensity of 130-180 mT, continuously stirring for 1.5-2 h, then adding 20-30 parts of sodium carbonate into the mixture, continuously stirring for 10-15 min, filtering the precipitate, washing for 2-3 times, and roasting at high temperature to obtain a gelatinous mixture; aging the gel mixture for 3-5 h, and placing the gel mixture in an autoclave; adding absolute ethyl alcohol into the autoclave, heating to high pressure, keeping the temperature constant at 250 ℃ and 7.0MPa for 8-10 min, reducing the temperature to 160-180 ℃, releasing the ethyl alcohol to normal pressure, and then reducing the temperature to room temperature to obtain the modified attapulgite; wherein the high-temperature roasting temperature is 550-680 ℃, and the time is 30-45 min.

5. the environment-friendly sewage treatment device based on renewable attapulgite filler according to claim 4, characterized in that deionized water with pH value of 6.5-8 is adopted for washing during washing.

6. the environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 1, characterized in that the regeneration method of the filler specifically comprises: drying for 1.5-3 h by hot air with the temperature of 65-75 ℃ and the air flow of 1.0-1.5L/min.

7. The environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 3, characterized in that the regeneration method of the filler specifically comprises: drying for 0.5-1 h by hot air with the temperature of 35-45 ℃ and the air flow of 0.5-0.7L/min.

8. The environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 1, characterized in that the sewage treatment plant can be carried on a vehicle body.

9. the environment-friendly sewage treatment plant based on renewable attapulgite filler according to claim 1, characterized in that the water inlet is provided with a grid net.

Technical Field

the invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment device based on renewable attapulgite filler.

background

The sewage treatment equipment is an industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, prevents sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development.

Disclosure of Invention

Aiming at the problems, the invention provides an environment-friendly sewage treatment device based on renewable attapulgite filler; the attapulgite filler has good adsorption performance, can effectively treat sewage, and can effectively improve the product value of the attapulgite.

The technical scheme of the invention is as follows: an environment-friendly sewage treatment device based on renewable attapulgite filler comprises a shell for protection, a first cavity for water treatment, a second cavity for treated water to stay, a treatment device for regeneration of the attapulgite filler, a PLC (programmable logic controller) for control and a power supply device for supplying power;

The first cavity is positioned inside the shell; a first shielding piece is arranged in the first cavity, the first shielding piece adopts a reversed funnel-shaped stainless steel metal plate, and the first cavity is divided into a lower cavity and an upper cavity by the first shielding piece; a second shielding piece is arranged in the upper cavity, the second shielding piece is a stainless steel cylinder, water leakage holes are uniformly formed in the bottom surface and the side surface of the second shielding piece, and the second shielding piece divides the upper cavity into an upper inner cavity and an upper outer cavity;

The shell is provided with a water inlet which is connected with the lower cavity;

The second cavity is communicated with the upper outer cavity through a water guide pipe;

the bottoms of the lower cavity and the upper outer cavity are provided with back washing ports; the back washing port is connected with the second cavity through a pump; sludge discharge openings are formed in the bottoms of the lower cavity, the upper outer cavity and the second cavity, electromagnetic valves are arranged on the sludge discharge openings, and the sludge discharge openings discharge sludge to the outside of the shell through pipelines;

The filler is filled in the upper inner cavity and is attapulgite;

The processing device comprises a fan for blowing air, a heater for heating the blown air and a hot air pipeline arranged in the upper inner cavity for carrying out hot air processing on the filler;

the PLC controller is commercially available.

furthermore, a grid net is arranged at the joint of the water inlet and the lower cavity; the water entering the device can be roughly filtered, and larger suspended or floating objects in the sewage can be effectively removed.

Further, the filler is modified attapulgite; because the taste of the attapulgite after mining is lower, the attapulgite can be modified to effectively increase the adsorption performance of the attapulgite.

furthermore, a third shielding piece is arranged in the upper outer cavity, the third shielding piece is made of a stainless steel net and surrounds the side surface of the second shielding piece, and the upper outer cavity is divided into a first outer cavity and a second outer cavity by the third shielding piece; the interior of the first outer cavity is filled with adsorption activated carbon; the adsorption activated carbon can be used for further removing pollutants in the sewage, so that the sewage treatment effect is better.

further, the specific preparation steps of the modified attapulgite are as follows:

(1) pretreatment of

Purifying attapulgite by adopting a dry purification method to obtain attapulgite powder;

(2) Modification treatment

Mixing 10-13 parts by mass of barium nitrate, 12-18 parts by mass of polymeric ferric salt and 36-57 parts by mass of attapulgite powder, dissolving the mixture in deionized water with the same mass, placing the mixture in a magnetic field generator with the magnetic field intensity of 130-180 mT, continuously stirring for 1.5-2 h, then adding 20-30 parts of sodium carbonate into the mixture, continuously stirring for 10-15 min, filtering the precipitate, washing for 2-3 times, and roasting at high temperature to obtain a gelatinous mixture; aging the gel mixture for 3-5 h, and placing the gel mixture in an autoclave; adding absolute ethyl alcohol into the autoclave, heating to high pressure, keeping the temperature constant at 250 ℃ and 7.0MPa for 8-10 min, reducing the temperature to 160-180 ℃, releasing the ethyl alcohol to normal pressure, and then reducing the temperature to room temperature to obtain the modified attapulgite; wherein the high-temperature roasting temperature is 550-680 ℃, and the time is 30-45 min; the barium and iron are magnetized and then pressure and temperature are controlled, so that the magnetized barium and iron ion salt solution reaches the critical point of the barium and iron ion salt solution in the drying process, the conversion from a liquid phase to a supercritical fluid is realized, new barium and iron ions completely fall off from the original skeleton to form new nano particles, the structure is more complete, the nano particles are loaded on attapulgite to realize the combination of barium and iron with the attapulgite, the water treatment capacity of the attapulgite can be effectively improved by utilizing magnetization treatment, and particularly, the performance of removing heavy metal ions is greatly improved.

Furthermore, deionized water with the pH value of 6.5-8 is adopted for washing during washing; neutral deionized water is adopted for washing, so that iron ions and barium ions can be prevented from being lost in the washing process.

further, the regeneration method of the filler is specifically as follows: drying for 1.5-3 h by adopting hot air with the temperature of 65-75 ℃ and the air flow rate of 1.0-1.5L/min; the hot air method is more environment-friendly, and in addition, the first regeneration rate of the catalyst is as high as 86.7-92.3%.

Further, the regeneration method of the filler is specifically as follows: drying for 0.5-1 h by hot air with the temperature of 35-45 ℃ and the air flow of 0.5-0.7L/min.

further, the sewage treatment device can be carried on the vehicle body; has higher mobility and promotes wider application range.

compared with the prior art, the invention has the beneficial effects that: the invention has reasonable integral structure design, completes the renewability by utilizing the hot air treatment of the attapulgite, ensures that no auxiliary reagent is added in the whole sewage treatment process, does not generate secondary pollution and is more environment-friendly; moreover, the sewage treatment effect of the adopted modified attapulgite filler is better, and the treatment efficiency is effectively improved; in addition, the device of the present invention can be mounted on a vehicle body, and therefore, has a great advantage in the range of use.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is an internal structural view of a first chamber according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of example 7 of the present invention;

FIG. 4 is a schematic view of the internal structure of a first chamber in example 7 of the present invention;

The device comprises a shell 1, a first cavity 2, a lower cavity 201, an upper cavity 202, an upper inner cavity 203, an upper outer cavity 204, a first outer cavity 205, a second outer cavity 206, a first shielding piece 21, a second shielding piece 22, a third shielding piece 23, a second cavity 3, a treatment device 4, a fan 41, a heater 42 and a hot air pipeline 43.

Detailed Description