CN211227129U

CN211227129U - Hydraulic multi-unit conjoined biogas generating pit

Info

Publication number: CN211227129U
Application number: CN201922201301.1U
Authority: CN
Inventors: 龙武华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-11
Anticipated expiration: 2029-12-10

Abstract

A hydraulic multi-unit conjoined biogas generating pit comprises: preheat good oxygen pond, a unit anaerobism pond, dissolve between oxygen water pressure, two unit anaerobism ponds, sedimentation tank water pressure between, three unit anaerobism ponds and screening water pressure between, preheat good oxygen pond and a unit anaerobism pond and pass through first inlet pipe intercommunication, a unit anaerobism pond and dissolve between oxygen water pressure through first discharging pipe intercommunication, the lower extreme in a unit anaerobism pond is located to first discharging pipe, dissolve between oxygen water pressure and two unit anaerobism ponds through second inlet pipe intercommunication. Compared with the prior art, the utility model discloses will produce the gas flow with whole and divide into cubic aerobic fermentation and cubic anaerobic fermentation, guaranteed the detention period of raw materials in the pond, the microorganism population fermentation is separately gone on, should set up and make mutual cooperation between the microorganism population promote each other, accomplish the thorough fermentation of raw materials jointly. The preheating, aerobic, anaerobic and screening multi-level fermentation process ensures the orderly operation of the hydraulic multi-unit conjoined biogas digester, and realizes automatic stirring and automatic slag discharge.

Description

Hydraulic multi-unit conjoined biogas generating pit

Technical Field

The utility model relates to the technical field of methane tank manufacturing, in particular to a hydraulic multi-unit conjoined methane tank.

Background

As a renewable energy source, the biogas not only is clean, cheap and sanitary, but also increasingly shows unique superiority in the aspects of developing ecological agriculture, environmental protection, comprehensive utilization and the like, and is highly valued by people. In 300 years of biogas utilization, the human beings also concentrate on basic scientific researches such as air tightness, fermentation conditions, strain gene arrangement, comprehensive utilization and the like of a biogas digester, and relatively few researches on application technologies are focused on basic science, such as france and the developed U.S. and the fastest-developing China, but the researches are still stopped in a simple process flow of single inlet and single outlet, a tank type structure for producing methane by hydrolysis and acidification and a stirring mode of violent, local and paroxysmal properties, and the mode cannot guarantee effective decomposition of organic matters and killing of germ and insect eggs. It has the problems of short detention period of raw materials in the pond, mutual exclusion of microbial populations, insufficient fermentation and difficult degradation of heavy metals.

Therefore, it is necessary to provide a new hydraulic multi-unit conjoined biogas digester to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a hydraulic multi-unit conjoined biogas digester which has simple structure, automatic stirring, automatic slag discharging, sufficient fermentation and effective heavy metal degradation.

The utility model provides a technical scheme that its technical problem adopted, a hydraulic pressure formula polycell disjunctor methane-generating pit, include: preheat between aerobic tank, one unit anaerobism pond, dissolved oxygen water pressure, between two unit anaerobism ponds, sedimentation tank water pressure, between three unit anaerobism ponds and screening water pressure, preheat aerobic tank and one unit anaerobism pond and communicate through first inlet pipe, communicate through first discharging pipe between one unit anaerobism pond and dissolved oxygen water pressure, the lower extreme in one unit anaerobism pond is located to first discharging pipe, dissolved oxygen water pressure and two unit anaerobism ponds communicate through the second inlet pipe, communicate through the second discharging pipe between two unit anaerobism ponds and sedimentation tank water pressure, the lower extreme in two unit anaerobism ponds is located to the second discharging pipe, communicate through the third inlet pipe between sedimentation tank water pressure and three unit anaerobism ponds, communicate through third discharging pipe, first outlet pipe between three unit anaerobism ponds and screening water pressure respectively, the lower extreme in three unit anaerobism ponds is located to the third discharging pipe, the upper end in three unit anaerobism ponds is located to first outlet pipe, first inlet pipe, first discharging pipe, second inlet pipe, second discharging pipe, third inlet pipe, third discharging pipe and first outlet pipe all are provided with the check valve, first inlet pipe still is equipped with control switch.

Preferably, a water outlet is arranged on the screening water pressure chamber.

Preferably, the horizontal position of the first water outlet pipe is higher than that of the third discharging pipe and lower than that of the water discharge port.

Preferably, the first unit anaerobic tank, the second unit anaerobic tank and the third unit anaerobic tank are all provided with observation windows, and the observation windows are provided with air guide holes.

Preferably, the second feeding pipe is arranged at the bottom of the oxygen containing water pressure room, and the third feeding pipe is arranged at the middle end or the lower end of the sedimentation tank water pressure room.

Preferably, a feed inlet is formed in the top of the preheating aerobic tank.

Preferably, the top of the oxygen containing hydraulic room, the settling pond hydraulic room and the screening hydraulic room are all provided with vent holes.

Compared with the prior art, the utility model discloses combine aerobic fermentation and anaerobic fermentation, make the fermentation more thorough, can kill the germ worm ovum effectively and degrade the heavy metal. The whole gas production process is divided into three times of aerobic fermentation and three times of anaerobic fermentation, so that the detention period of raw materials in the pool is ensured, microbial populations in the original one-pot boiling pool type structure are mutually exclusive, the fermentation is divided into a plurality of times in the application, the aerobic fermentation and the anaerobic fermentation are alternately carried out, the microbial population fermentation is carried out separately, and the arrangement ensures that the microbial populations mutually cooperate and mutually promote to jointly complete the thorough fermentation of the raw materials. The traditional simple process of entering and exiting at the same time is replaced by the multilayer fermentation process of preheating, aerobic fermentation, anaerobic fermentation and screening, the ordered operation of the hydraulic multi-unit conjoined biogas digester is ensured, the pressure in the whole fermentation process is controllable, the pressure in the digester is improved, the automatic stirring is realized by utilizing the pressure in the digester, the residue is automatically discharged, the automation degree is high, the structure is simple, and the application is wide.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. the system comprises a preheating aerobic pool, 2, a first unit anaerobic pool, 3, an oxygen containing water pressure chamber, 4, a second unit anaerobic pool, 5, a sedimentation pool water pressure chamber, 6, a third unit anaerobic pool, 7, a screening water pressure chamber, 8, an observation window, 9, an air guide hole, 100, a first material inlet pipe, 101, a first material outlet pipe, 102, a second material inlet pipe, 103, a second material outlet pipe, 104, a third material inlet pipe, 105, a third material outlet pipe, 106, a water outlet pipe and 107, a water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present embodiment includes: the preheating aerobic tank 1, the first unit anaerobic tank 2, the oxygen containing hydraulic pressure chamber 3, the second unit anaerobic tank 4, the sedimentation tank hydraulic pressure chamber 5, the third unit anaerobic tank 6 and the screening hydraulic pressure chamber 7, wherein the preheating aerobic tank 1 is communicated with the first unit anaerobic tank 2 through a first feeding pipe 100, the first unit anaerobic tank 2 is communicated with the oxygen containing hydraulic pressure chamber 3 through a first discharging pipe 101, the first discharging pipe 101 is arranged at the lower end of the first unit anaerobic tank 2, the oxygen containing hydraulic pressure chamber 3 is communicated with the second unit anaerobic tank 4 through a second feeding pipe 102, the second unit anaerobic tank 4 is communicated with the sedimentation tank hydraulic pressure chamber 5 through a second discharging pipe 103, the second discharging pipe 103 is arranged at the lower end of the second unit anaerobic tank 4, the sedimentation tank hydraulic pressure chamber 5 is communicated with the third unit anaerobic tank 6 through a third feeding pipe 104, the third unit anaerobic tank 6 is communicated with the screening hydraulic pressure chamber 7 through a third discharging pipe 105 and a first discharging pipe 106 respectively, and the third discharging pipe 105 is arranged at the lower end, the first water outlet pipe 106 is arranged at the upper end of the three-unit anaerobic tank 6, the first feeding pipe 100, the first discharging pipe 101, the second feeding pipe 102, the second discharging pipe 103, the third feeding pipe 104, the third discharging pipe 105 and the first water outlet pipe 106 are all provided with one-way valves, and the first feeding pipe 100 is also provided with a control switch.

The screening water pressure room 7 is provided with a water outlet 107. The water is drained through the water outlet 107, so that the sediment is favorably treated.

The horizontal position of the first outlet pipe 106 is higher than the horizontal position of the third outlet pipe 105 and lower than the horizontal position of the water outlet 107. The arrangement of the screening hydraulic room 7, which is provided with water, upper source liquid and sediment from top to bottom, is favorable for draining the water and sending the upper source liquid back to the three-unit anaerobic tank 6.

The first unit anaerobic tank 2, the second unit anaerobic tank 4 and the third unit anaerobic tank 6 are all provided with observation windows 8, and the observation windows 8 are provided with air guide holes 9. Through setting up observation window 8, can conveniently observe the fermentation condition in the pond, can in time handle the abnormal conditions.

The second feeding pipe 102 is arranged at the bottom of the oxygen containing hydraulic room 3, and the third feeding pipe 104 is arranged at the middle end or the lower end of the sedimentation basin hydraulic room 5. Because the raw materials are subjected to the anaerobic fermentation once, the raw materials flowing into the oxygen-containing water pressure chamber 3 can be fermented again to generate the methane. The device can make the raw materials fully enter the two-unit anaerobic tank 4, and avoid the waste of the raw materials. And some raw materials in the hydraulic room 5 of the sedimentation tank are already sediments, and the third feeding port is arranged at the higher position of the hydraulic room 5 of the sedimentation tank, so that the sediments can be prevented from flowing into the three-unit anaerobic tank 6.

The top of the preheating aerobic tank 1 is provided with a feeding hole, and the feeding hole is convenient for material pouring.

The top parts of the oxygen-containing hydraulic room 3, the sedimentation tank hydraulic room 5 and the screening hydraulic room 7 are all provided with vent holes. This setting can make and hold oxygen

water pressure room

3 and 5 departments in aerobic environment between sedimentation tank water pressure room, keeps the atmospheric pressure between three water pressure simultaneously, also is convenient for observe the behavior between three water pressure.

The utility model provides a hydraulic multi-unit conjoined biogas digester, which has the working process as follows:

(1) the method comprises the steps of pouring raw materials into a preheating aerobic tank 1, after inoculating and fermenting for a period of time, opening a control switch of a first feeding hole, enabling the raw materials fermented in the preheating aerobic tank 1 to enter a unit anaerobic tank 2, fermenting in an aerobic environment of the preheating aerobic tank 1, wherein the fermentation is high in temperature, can effectively kill germ and insect eggs, is characterized in that microorganisms are fermented through self life activities, and heavy metals in the raw materials are degraded for the first time in the aerobic and acidic environments.

(2) The fermentation of the raw materials in the unit anaerobic tank 2 is the first anaerobic fermentation, the fermentation mode is carried out through the metabolic activity of microorganisms, along with the fermentation, the pressure of the unit anaerobic tank 2 is enhanced by the methane generated in the tank, and the raw materials at the bottom of the tank are driven by the pressure to enter the oxygen containing water pressure chamber 3 through the first discharge pipe 101. This arrangement can improve the pressure of the anaerobic tank 2 of one unit, and the outflow of the tank bottom raw material can automatically stir the raw material in the tank. Heavy metals in the raw materials are degraded for the second time in an oxygen-free and alkaline environment.

(3) The raw material in the oxygen containing water pressure room 3 is subjected to secondary aerobic fermentation in the oxygen containing water pressure room, the fermentation is of an acidic environment and an aerobic environment, the raw material enters the two-unit anaerobic tank 4 after the aerobic fermentation, the raw material is subjected to secondary anaerobic fermentation in the two-unit anaerobic tank 4, the raw material enters the sedimentation tank water pressure room 5, and meanwhile, the raw material in the tank is automatically stirred. The heavy metals in the raw materials are degraded for the third time in an oxygen-free and alkaline environment.

(4) The raw materials at 5 among the sedimentation tank water pressure carry out aerobic fermentation for the third time among the sedimentation tank water pressure, enter into three unit anaerobism ponds 6 after the aerobic fermentation, the raw materials carries out anaerobic fermentation for the third time at three unit anaerobism ponds 6, along with the fermentation for the third time, some raw materials become the sediment and sink to the bottom of the pool, can form the biomembrane net in the pond this moment, rise along with fermentation time and feeding in the pond, three unit anaerobism pond pressure increase, the upper source liquid passes through biomembrane net and first outlet pipe 106 and gets into screening water pressure room 7, and the sediment also enters into screening water pressure room 7, this process can make the raw materials in the pond stir automatically. The heavy metals in the raw materials are degraded for the fourth time in an oxygen-free and alkaline environment.

(5) The rising water in the screening hydraulic room 7 flows out through the water outlet 107, and the sediment in the screening hydraulic room 7 can provide environment-friendly and green fertilizer for the planting industry and the breeding industry. When the pressure of the three-unit anaerobic tank 6 is reduced, the upper source liquid of the screening water pressure chamber 7 returns to the three-unit anaerobic tank 6 again, the biogas pool is not opened for utilizing and treating the sediments, and the gas production and use in the tank are not influenced.

Through the steps, aerobic fermentation and anaerobic fermentation are combined, so that fermentation is more thorough, and germ and insect eggs can be effectively killed and heavy metals can be effectively degraded. The whole gas production process is divided into three times of aerobic fermentation and three times of anaerobic fermentation, so that the detention period of raw materials in the pool is ensured, microbial populations in the original one-pot boiling pool type structure are mutually exclusive, the fermentation is divided into a plurality of times in the application, the aerobic fermentation and the anaerobic fermentation are alternately carried out, the microbial population fermentation is carried out separately, and the arrangement ensures that the microbial populations mutually cooperate and mutually promote to jointly complete the thorough fermentation of the raw materials. The traditional simple process of entering and exiting at the same time is replaced by the multilayer fermentation process of preheating, aerobic fermentation, anaerobic fermentation and screening, the ordered operation of the hydraulic multi-unit conjoined biogas digester is ensured, the pressure in the whole fermentation process is controllable, the pressure in the digester is improved, the automatic stirring is realized by utilizing the pressure in the digester, the residue is automatically discharged, the automation degree is high, the structure is simple, and the application is wide.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A hydraulic multi-unit conjoined biogas digester is characterized by comprising: preheat between aerobic tank, one unit anaerobism pond, dissolved oxygen water pressure, between two unit anaerobism ponds, sedimentation tank water pressure, between three unit anaerobism ponds and screening water pressure, preheat aerobic tank and one unit anaerobism pond and communicate through first inlet pipe, communicate through first discharging pipe between one unit anaerobism pond and dissolved oxygen water pressure, the lower extreme in one unit anaerobism pond is located to first discharging pipe, dissolved oxygen water pressure and two unit anaerobism ponds communicate through the second inlet pipe, communicate through the second discharging pipe between two unit anaerobism ponds and sedimentation tank water pressure, the lower extreme in two unit anaerobism ponds is located to the second discharging pipe, communicate through the third inlet pipe between sedimentation tank water pressure and three unit anaerobism ponds, communicate through third discharging pipe, first outlet pipe between three unit anaerobism ponds and screening water pressure respectively, the lower extreme in three unit anaerobism ponds is located to the third discharging pipe, the upper end in three unit anaerobism ponds is located to first outlet pipe, first inlet pipe, first discharging pipe, second inlet pipe, second discharging pipe, third inlet pipe, third discharging pipe and first outlet pipe all are provided with the check valve, first inlet pipe still is equipped with control switch.

2. The hydraulic multi-unit conjoined biogas digester as claimed in claim 1, wherein a water outlet is provided on the screening hydraulic room.

3. The hydraulic multi-unit conjoined biogas digester as claimed in claim 2, wherein the horizontal position of the first water outlet pipe is higher than the horizontal position of the third discharging pipe and lower than the horizontal position of the water outlet.

4. The hydraulic multi-unit conjoined biogas digester as claimed in claim 3, wherein the first unit anaerobic tank, the second unit anaerobic tank and the third unit anaerobic tank are all provided with observation windows, and the observation windows are provided with gas-guiding holes.

5. The hydraulic multi-unit conjoined biogas digester as claimed in claim 4, wherein the second feeding pipe is arranged at the bottom of the oxygen-containing water pressure room, and the third feeding pipe is arranged at the middle end or the lower end of the water pressure room of the sedimentation tank.

6. The hydraulic multi-unit conjoined biogas digester as claimed in claim 5, wherein the top of the preheating aerobic tank is provided with a feed inlet.

7. The hydraulic multi-unit conjoined biogas digester as claimed in claim 6, wherein the top of the oxygen-containing hydraulic room, the settling tank hydraulic room and the screening hydraulic room are all provided with vent holes.