CN212687698U

CN212687698U - Anaerobic digestion waste water treatment equipment

Info

Publication number: CN212687698U
Application number: CN202021278065.XU
Authority: CN
Inventors: 梅冰; 秦向东; 江晓钦; 唐飞龙; 应燕青
Original assignee: Yunnan Agricultural University
Current assignee: Yunnan Agricultural University
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-12
Anticipated expiration: 2030-07-03

Abstract

The utility model provides anaerobic digestion wastewater treatment equipment, which belongs to the technical field of wastewater treatment, and comprises a tank body, wherein the outer wall of the top of the tank body is provided with a top cover, the outer wall of the top cover top is provided with a gas outlet, the outer wall of one side of the tank body is respectively provided with an air one-way valve, a feed pipe and an anaerobic liquid feed liquor pipe, the outer wall of one side of the tank body is provided with an air pump, the outer wall of one side of the air pump is provided with an air inlet, the outer wall of the air inlet is provided with an electric heating wire sleeve, the inner wall of one side of the tank body is provided with a temperature sensor, the outer wall of one side of the tank body is provided with; the utility model discloses a set up dross and overflow export, corrosion-resistant hose and gasbag float, dross overflows the export and can effectually retrieve the floated dross on the waste water surface, avoids the gathering of dross.

Description

Anaerobic digestion waste water treatment equipment

Technical Field

The utility model belongs to the technical field of waste water treatment, concretely relates to anaerobic digestion waste water treatment equipment.

Background

Along with the continuous improvement of the industrialization degree, the industrial wastewater is also continuously increased, if the wastewater is not treated and discharged, it causes environmental pollution and is not beneficial to sustainable development, when sewage with high COD content is treated, anaerobic treatment is usually carried out by adopting an anaerobic tank, in the prior art, various processes and apparatuses have been invented in an attempt to remove the scum of the anaerobic tank, the treatment system adopts shell breaking stirring, plug flow downward stirring and the like, scum is remixed into the biogas slurry in the anaerobic tank and then discharged together with the biogas slurry, because the scum can not be mixed into the biogas slurry when the scum layer is thick, the scum removal efficiency is low, moreover, the sludge is deposited at the bottom of the acidification anaerobic tank, and the sludge close to the bottom of the tank body is difficult to be in full contact with the wastewater, so that the full wastewater treatment effect is difficult to be exerted.

Through the search discovery, disclose a novel waste water treatment anaerobic jar in the chinese patent that the grant publication number is CN207957902U, including a jar body, jar internal portion is equipped with the acidizing reaction area, acidizing reaction area below is equipped with the anaerobic digestion district, jar body one side is equipped with the inlet pipe, just the inlet pipe runs through jar body one side, inlet pipe export below is equipped with the branch material awl, just the branch material awl is located the acidizing reaction area.

However, the above technical solution does not have a corresponding temperature control device, so that there are problems that the internal temperature of the tank is too high in summer, which easily causes explosion, and the internal temperature of the tank is too low in winter, which reduces the activity efficiency of anaerobic bacteria in the tank, resulting in the reduction of the efficiency of the whole wastewater treatment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anaerobic digestion waste water treatment equipment, the internal portion high temperature of jar when aiming at solving among the prior art causes the explosion easily, and the internal portion temperature of jar when winter is low excessively, and the activity efficiency of the anaerobe of the internal portion of jar descends, leads to the problem of whole waste water treatment's efficiency reduction.

In order to achieve the above object, the utility model provides a following technical scheme: including a jar body, jar body top outer wall is provided with the top cap, top cap top outer wall is provided with the gas outlet, jar body one side outer wall is provided with the air check valve respectively, inlet pipe and anaerobism liquid feed liquor pipe, jar body one side outer wall is provided with the air pump, air pump one side outer wall is provided with the air inlet, the air inlet outer wall is provided with the electric heating wire sleeve, jar body one side inner wall is provided with the temperature-sensing ware, jar body one side outer wall is provided with control panel, the air check valve, the temperature-sensing ware, air pump and electric heating wire sleeve and control panel electric connection, jar body.

In order to avoid the gathering of dross, as the utility model relates to an it is preferred, jar internal wall is opened there is the through-hole, and the through-hole inner wall is provided with the discharge pipe, and discharge pipe one side outer wall is provided with the dross and overflows the export.

In order to avoid getting into the excessive dross of jar internal portion and overflowing the export, conduct the utility model relates to an it is preferred, discharge pipe top outer wall is provided with corrosion-resistant hose, and the bottom outer wall that the dross spilled the export sets up on corrosion-resistant hose's top outer wall, and the dross spills the export outer wall and is provided with the gasbag float.

In order to make the cleaning work of the scum simple and efficient, the utility model relates to an optimal selection, the outer wall of the bottom of the discharge pipe is provided with a scum storage tank.

In order to improve the reaction efficiency of waste water and mud and anaerobism liquid, as the utility model relates to an it is preferred, two through-holes have been opened respectively to jar external wall, and two through-hole inner walls are provided with spray tube and liquid suction pipe respectively, and liquid suction pipe bottom outer wall is provided with high pressure water pump, and the spray tube sets up on one side outer wall of high pressure water pump, and the spray tube outer wall is provided with the shower nozzle more than three respectively.

In order to avoid the working personnel to be disturbed by the mosquitoes during the working process, the utility model relates to an optimized tank body outer wall is provided with the mosquito killer lamp.

In order to facilitate the discharge pipe to discharge sludge, as the utility model relates to an it is preferred that top cap and bottom are rectangular pyramid type structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the dross and overflowing the export, corrosion-resistant hose and gasbag float, dross overflows the export and can effectually retrieve the floated dross on the waste water surface, avoid the gathering of dross, gasbag float and corrosion-resistant hose can avoid jar internal portion's waste water to overflow the dross and overflow the export, thereby let untreated waste water from the outer phenomenon that causes secondary pollution of discharge pipe eduction gear take place, the gasbag float of dross overflow export outer wall can let the dross overflow the export float on the waste water surface of water, corrosion-resistant hose can play spacing effect, avoid the dross overflow the export to float on waste water and dross through the gasbag float always, can't carry out the phenomenon of retrieving to the dross and take place.

2. Through setting up liquid suction pipe, high pressure water pump and spray line, in order to let the deposit also can carry out abundant reaction with the anaerobism liquid in jar body bottom, the high pressure water pump takes out the anaerobism liquid that is located the mud top through the liquid suction pipe, then sends the shower nozzle into through the anaerobism liquid after the spray line will pressurize, the anaerobism liquid from the shower nozzle blowout with jar mud of body bottom take place to react, along with the circulation work of high pressure water pump, the reaction efficiency of waste water and mud and anaerobism liquid has been improved greatly.

3. Through setting up control panel, air check valve, temperature-sensing ware, air pump and electric heating wire sleeve, can effectual control live the temperature of jar internal wall, thereby avoid the temperature of jar internal wall too high when hot summer to lead to the danger of the marsh gas explosion that produces, when cold winter, avoid jar internal temperature to cross the reaction that influences anaerobic liquid and waste water and mud excessively, effectively improved the suitability of effluent treatment plant during operation in each season.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic diagram of the circuit structure of the present invention;

in the figure: 1-tank body; 2-a top cover; 3-air outlet; 4-air check valve; 5-feeding pipe; 6-anaerobic liquid inlet pipe; 7-a liquid pumping pipe; 8-high pressure water pump; 9-a liquid spraying pipe; 10-a discharge pipe; 11-a bottom cover; 12-a slag storage tank; 13-a discharge pipe; 14-an air inlet; 15-an air pump; 16-a spray head; 17-corrosion resistant hose; 18-an air bag float; 19-a scum overflow outlet; 20-an electric heating wire sleeve; 21-a temperature sensor; 22-a control panel; 23-mosquito eradication lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: including a

jar body

1, 1 top outer wall of the jar body is provided with

top cap

2, 2 top outer walls of top cap are provided with

gas outlet

3, 1 one side outer wall of the jar body is provided with air check valve 4 respectively, inlet pipe 5 and anaerobism liquid

feed liquor pipe

6, 1 one side outer wall of the jar body is provided with

air pump

15, 15 one side outer walls of air pump are provided with

air inlet

14, 14 outer walls of air inlet are provided with electric

heating wire sleeve

20, 1 one side inner wall of the jar body is provided with temperature-

sensing ware

21, 1 one side outer wall of the jar body is provided with control panel 22, air check valve 4, temperature-

sensing ware

21, 15 and electric heating wire sleeve 20 and control panel 22 electric connection, 1 bottom outer wall of the jar body is provided with

bottom

11, 11 bottom outer.

In the embodiment of the present invention, waste water enters the tank body 1 from the inlet pipe 5, anaerobic liquid is added into the waste water in the tank body 1 through the anaerobic liquid inlet pipe 6 to remove organic matters in the waste water and generate biogas, the generated biogas is gathered at the top cover 2, then the biogas in the top cover 2 is recovered through the gas outlet 3, when sewage reacts with the anaerobic liquid, some precipitates are generated, the precipitates and sludge in the waste water are deposited at the bottom cover 11, after the reaction of the waste water with the anaerobic liquid is finished, the waste water and sludge in the tank body 1 are discharged by opening the discharge pipe 10, the temperature sensor 21 can transmit the temperature in the tank body 1 to the control panel 22 in real time, when the temperature in the tank body 1 exceeds a set value in summer, the control panel 22 can control the air check valve 4 to be opened, and hot gas in the tank body 1 is discharged out of the tank body 1, the hot gas and the methane in the tank body 1 are discharged together through the air one-way valve 4 and the air outlet 3, the temperature in the tank body 1 can be rapidly reduced, the explosion caused by the overhigh temperature of the tank body 1 and the excessive methane is avoided, in winter, when the temperature in the tank body 1 is lower than a set value, the control panel 22 can control the air pump 15 and the electric heating wire sleeve 20 to be opened, the gas sucked by the air pump 15 is sprayed into the tank body 1 after being heated by the electric heating wire sleeve 20, the temperature in the tank body 1 is increased, the phenomenon that the activity efficiency of anaerobic bacteria in the tank body is reduced due to the overlow temperature in the tank body 1, and the reduction of the efficiency of the whole wastewater treatment is caused is effectively avoided.

Specifically, the inner wall of the tank body 1 is provided with a through hole, the inner wall of the through hole is provided with a discharge pipe 13, and the outer wall of one side of the discharge pipe 13 is provided with a scum overflow outlet 19.

In this embodiment: when the anaerobic liquid reacts with the waste water, a large amount of scum is generated on the surface of the waste water, if the scum is excessively formed and accumulated, the discharge of methane is influenced, meanwhile, the waste water and sludge are discharged from the discharge port 10 to easily form blockage, the scum overflow port 19 can effectively recover the scum floating in the waste water, the scum overflow port 19 is supported on the water surface of the waste water through the discharge pipe 13, when the scum is gathered to a certain height on the water surface, the scum can enter the discharge pipe 13 from the scum overflow port 19 and then is discharged out of the tank body 1, and therefore the gathering of the scum is effectively avoided.

Specifically, the outer wall of the top of the discharge pipe 13 is provided with a corrosion-resistant hose 17, the outer wall of the bottom of the scum overflow outlet 19 is arranged on the outer wall of the top of the corrosion-resistant hose 17, and the outer wall of the scum overflow outlet 19 is provided with an air bag float 18.

In this embodiment: in order to avoid the phenomenon that the waste water entering the tank body 1 excessively flows through the scum overflow outlet 19 and untreated waste water is discharged out of the device through the discharge pipe 13 to cause secondary pollution, the air bag floater 18 on the outer wall of the scum overflow outlet 19 can enable the scum overflow outlet 19 to float on the water surface of the waste water, the corrosion-resistant hose 17 can play a role in limiting, the phenomenon that the scum overflow outlet 19 always floats on the waste water and scum through the air bag floater 18 and the scum can not be recovered is avoided, when the scum overflow outlet 19 floats to a certain height by the scum on the water surface of the waste water and the waste water, the corrosion-resistant hose 17 is pulled to the maximum length at the moment, the scum overflow outlet 19 is limited by the corrosion-resistant hose 17 and can not continuously float, so that the scum which is continuously accumulated enters the scum overflow outlet 19, and the scum discharge.

Specifically, the outer wall of the bottom of the discharge pipe 13 is provided with a slag storage tank 12.

In this embodiment: the scum is stored in the scum storage tank 12, and when the scum storage tank 12 is full, workers only need to clean the scum in the scum storage tank 12, so that the scum cleaning work is simple and efficient.

Specifically, two through-holes have been opened respectively to jar body 1 outer wall, and two through-hole inner walls are provided with hydrojet 9 and liquid suction pipe 7 respectively, and liquid suction pipe 7 bottom outer wall is provided with high pressure water pump 8, and hydrojet 9 sets up on one side outer wall of high pressure water pump 8, and hydrojet 9 outer wall is provided with shower nozzle 16 more than three respectively.

In this embodiment: when sludge is deposited at the bottom of the tank body 1, in order to ensure that the sludge deposited at the bottom of the tank body 1 can also fully react with anaerobic liquid, the anaerobic liquid above the sludge is pumped out by the high-pressure water pump 8 through the liquid pumping pipe 7, then the pressurized anaerobic liquid is sent into the spray head 16 through the liquid spraying pipe 9, the anaerobic liquid is sprayed out from the spray head 16 to react with the sludge at the bottom of the tank body 1, and along with the circulating work of the high-pressure water pump 8, the reaction efficiency of the wastewater, the sludge and the anaerobic liquid is greatly improved.

Specifically, the outer wall of the tank body 1 is provided with a mosquito killer lamp 23.

In this embodiment: in summer, a large amount of mosquitoes can be attracted around the wastewater treatment device, and the mosquito killing lamp 23 can effectively kill the mosquitoes, so that working personnel can not be disturbed by the mosquitoes during working.

Specifically, the top cover 2 and the bottom cover 11 are in a rectangular pyramid structure.

In this embodiment: the top cover 2 of the rectangular pyramid structure is beneficial to gathering methane and collecting the methane conveniently, and the bottom cover 11 of the rectangular pyramid structure is beneficial to gathering sludge and facilitating the discharge pipe 10 to discharge the sludge.

The utility model discloses a theory of operation and use flow: waste water enters the tank body 1 from the feeding pipe 5, anaerobic liquid is added into the waste water in the tank body 1 through the anaerobic liquid inlet pipe 6 to remove organic matters in the waste water and generate methane, the generated methane can be gathered at the top cover 2, then the methane in the top cover 2 is recovered through the air outlet 3, sludge can generate precipitates when sewage reacts with the anaerobic liquid, the precipitates and sludge in the waste water can be precipitated at the bottom cover 11, after the reaction of the waste water and the anaerobic liquid is finished, the discharging pipe 10 is opened to discharge the waste water and the sludge in the tank body 1, the temperature sensor 21 can transmit the temperature in the tank body 1 to the control panel 22 in real time, when the temperature in the tank body 1 exceeds a set value in summer, the control panel 22 can control the air one-way valve 4 to be opened to discharge hot gas in the tank body 1 out of the tank body 1, and the hot gas and the methane in the tank body 1 are discharged through the air one-way valve 4 and the air outlet 3 together, the temperature in the tank body 1 can be rapidly reduced, explosion caused by overhigh temperature of the tank body 1 and excessive marsh gas can be avoided, in winter, when the temperature in the tank body 1 is lower than a set value, the control panel 22 can control the air pump 15 and the electric heating wire sleeve 20 to be opened, air sucked by the air pump 15 is sprayed into the tank body 1 after being heated by the electric heating wire sleeve 20, so that the temperature in the tank body 1 is increased, the phenomenon that the activity efficiency of anaerobic bacteria in the tank body is reduced due to overhigh temperature in the tank body 1 and the efficiency of whole waste water treatment is reduced is effectively avoided, a large amount of scum can be generated on the surface of waste water when anaerobic liquid reacts with the waste water, the discharge of the marsh gas can be influenced if the scum is excessively accumulated, meanwhile, the waste water and sludge are easily discharged from the discharge port 10 to form blockage, and the scum floating scum of the waste water can, the scum overflow port 19 is supported by the discharge pipe 13 and is positioned on the water surface of the waste water, when scum is gathered to a certain height on the water surface, the scum can enter the discharge pipe 13 from the scum overflow port 19 and then is discharged out of the tank body 1, thereby effectively avoiding the gathering of the scum, in order to avoid that the waste water entering the tank body 1 excessively overflows the scum overflow port 19, untreated waste water is discharged out of the device from the discharge pipe 13 to cause secondary pollution, the scum can be floated on the water surface of the waste water by the air bag floater 18 on the outer wall of the scum overflow port 19, the corrosion-resistant hose 17 can play a limiting role, the scum overflow port 19 is prevented from always floating on the waste water and the scum through the air bag floater 18, the phenomenon that the scum can not be recovered can be generated, when the scum overflow port 19 is floated to a certain height by the scum on the water surface of the waste water and the waste water, the, the scum overflow port 19 is limited by the corrosion-resistant hose 17 and can not be floated continuously, so that scum accumulated continuously enters the scum overflow port 19 to finish the scum discharge work, the scum is stored in the scum storage tank 12, when the scum storage tank 12 is full, workers feel that only the scum in the scum storage tank 12 needs to be cleaned out, so that the scum cleaning work becomes simple and efficient, when sludge is deposited at the bottom of the tank body 1, in order to ensure that the sludge deposited at the bottom of the tank body 1 can also fully react with anaerobic liquid, the anaerobic liquid above the sludge is pumped out by the high-pressure water pump 8 through the liquid pumping pipe 7, then the pressurized anaerobic liquid is sent into the spray head 16 through the liquid spraying pipe 9, the anaerobic liquid is sprayed out from the spray head 16 to react with the sludge at the bottom of the tank body 1, and the reaction efficiency of waste water, sludge and the anaerobic liquid is greatly improved along with the circulation work of the high-pressure water pump 8, in summer, a large amount of mosquitoes can be attracted around the wastewater treatment device, and the mosquito killing lamp 23 can effectively kill the mosquitoes, so that working personnel can not be disturbed by the mosquitoes during working.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An anaerobic digestion wastewater treatment device, characterized in that: comprises a tank body (1), a top cover (2) is arranged on the outer wall of the top of the tank body (1), an air outlet (3) is arranged on the outer wall of the top cover (2), an air one-way valve (4), a feeding pipe (5) and an anaerobic liquid inlet pipe (6) are respectively arranged on the outer wall of one side of the tank body (1), an air pump (15) is arranged on the outer wall of one side of the tank body (1), an air inlet (14) is arranged on the outer wall of one side of the air pump (15), an electric heating wire sleeve (20) is arranged on the outer wall of the air inlet (14), a temperature sensor (21) is arranged on the inner wall, the temperature sensor (21), the air pump (15) and the electric heating wire sleeve (20) are electrically connected with the control panel (22), the outer wall of the bottom of the tank body (1) is provided with a bottom cover (11), and the outer wall of the bottom cover (11) is provided with a discharge pipe (10).

2. The apparatus for treating wastewater for anaerobic digestion according to claim 1, wherein: the inner wall of the tank body (1) is provided with a through hole, the inner wall of the through hole is provided with a discharge pipe (13), and the outer wall of one side of the discharge pipe (13) is provided with a scum overflow outlet (19).

3. The apparatus for treating wastewater for anaerobic digestion according to claim 2, wherein: the outer wall of the top of the discharge pipe (13) is provided with a corrosion-resistant hose (17), the outer wall of the bottom of the scum overflow outlet (19) is arranged on the outer wall of the top of the corrosion-resistant hose (17), and the outer wall of the scum overflow outlet (19) is provided with an air bag floater (18).

4. An anaerobic digestion wastewater treatment plant according to claim 3, characterized in that: and a slag storage tank (12) is arranged on the outer wall of the bottom of the discharge pipe (13).

5. The apparatus for treating wastewater for anaerobic digestion according to claim 1, wherein: two through holes are respectively formed in the outer wall of the tank body (1), a liquid spraying pipe (9) and a liquid pumping pipe (7) are respectively arranged on the inner walls of the two through holes, a high-pressure water pump (8) is arranged on the outer wall of the bottom of the liquid pumping pipe (7), the liquid spraying pipe (9) is arranged on the outer wall of one side of the high-pressure water pump (8), and more than three spray heads (16) are respectively arranged on the outer wall of the liquid spraying pipe (9).

6. The apparatus for treating wastewater for anaerobic digestion according to claim 5, wherein: the outer wall of the tank body (1) is provided with a mosquito killer lamp (23).

7. The apparatus for treating wastewater for anaerobic digestion according to claim 1, wherein: the top cover (2) and the bottom cover (11) are of rectangular pyramid structures.