阅读说明：本技术 一种化粪池气体处理及利用装置 (Gaseous processing of septic tank and utilization device ) 是由 范玉 吴新宇 黄殿升 张咪 于 2021-05-25 设计创作，主要内容包括：本发明公开了一种化粪池气体处理及利用装置,涉及化粪池领域,包括用以产生沼气的化粪池,所述化粪池右侧壁偏下的位置上安装有加粪管,所述化粪池左侧壁偏下的位置上设置有抽粪机构,本发明通过驱动机构带动活塞机构和封闭机构向上移动将气体区内的沼气向上挤压,并在抽气管、引风机和T型管的作用下,将沼气送入气体处理系统内依次进行水和固体杂质分离、去除硫化氢和吸收二氧化碳的处理,而后将甲烷气体送入储气罐内,对甲烷气体进行储存,这样不仅提高了气体的抽吸效率,还能够对原沼气中硫化氢和二氧化碳进行处理,对甲烷气体进行利用,同时能够避免有害气体对周围环境的影响,达到一举多得的目的。(The invention discloses a septic tank gas treatment and utilization device, which relates to the field of septic tanks and comprises a septic tank for generating methane, wherein a dung adding pipe is arranged at the lower part of the right side wall of the septic tank, and a dung pumping mechanism is arranged at the lower part of the left side wall of the septic tank, a piston mechanism and a sealing mechanism are driven by a driving mechanism to move upwards to extrude the methane in a gas area, and under the action of an exhaust pipe, an induced draft fan and a T-shaped pipe, the methane is sent into a gas treatment system to be sequentially separated from water and solid impurities, removed of hydrogen sulfide and absorbed of carbon dioxide, and then the methane gas is sent into a gas storage tank to be stored, so that the gas suction efficiency is improved, the hydrogen sulfide and the carbon dioxide in the original methane can be treated, the methane gas can be utilized, and the influence of harmful gas on the surrounding environment can be avoided, achieving the purpose of achieving multiple purposes.)

1. A septic tank gas treatment and utilization device comprises a septic tank (1) for generating methane, and is characterized in that: an excrement adding pipe (2) is installed on the lower portion of the right side wall of the septic tank (1), an excrement pumping mechanism (3) is arranged on the lower portion of the left side wall of the septic tank (1), an automatic exhaust valve I (8), a carbon dioxide concentration detector (10) and a hydrogen sulfide concentration detector (11) are sequentially installed on the top of the inner wall of the septic tank (1) from right to left, a movable interlayer (5) capable of axially sliding along the inner wall of the septic tank (1) is arranged in the septic tank (1), the inner cavity of the septic tank (1) is divided into a septic area and a gas area by the movable interlayer (5), a guide mechanism (4) capable of guiding the movable interlayer (5) to move up and down is arranged in the septic tank (1), a driving mechanism capable of driving the movable interlayer (5) to move up and down is installed on the top of the septic tank (1), and a gas channel communicated with the septic area and the gas area is arranged on the movable interlayer (5), a controllable opening and closing mechanism (6) is arranged in the gas channel;

draught fan (13) is installed at the top of septic tank (1), draught end and the air-out end of draught fan (13) are linked together with aspiration tube (15) and T type pipe (16) respectively, the bottom of aspiration tube (15) is passed the top of septic tank (1) and is linked together with the gas district of septic tank (1), the right-hand member and the top of T type pipe (16) are linked together with gas processing system and gas holder (19) of storing methane gas respectively, gas processing system is linked together through pipeline and gas holder (19), the right side pipe of T type pipe (16) and last side pipe are provided with solenoid valve one (17) and solenoid valve two (18) respectively, gas filler (12) are installed to the bottom of gas holder (19), be provided with one-way air outlet valve (14) on gas filler (12), the other end of gas filler (12) passes the left side wall of septic tank (1) and sets up in the below that removes interlayer (5), an air pipe (20) is arranged at the top of the air storage tank (19).

2. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: it includes pump (32) to take out excrement mechanism (3), take out the dirty end of taking out of pump (32) and take out excrement pipe (31) and be linked together, take out the left side wall that septic tank (1) was passed to the right-hand member of excrement pipe (31) and set up in the septic area, the dirty end of play of pump (32) of taking out is linked together with play excrement pipe (33).

3. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: remove interlayer (5) including can follow septic tank (1) inner wall endwise slip's rectangle frame (52) and bar piston pad (51), the rectangular channel that rectangle frame (52) was seted up is installed in bar piston pad (51), the inner circle fixedly connected with piston plate (54) of rectangle frame (52), rectangular channel (53) have been seted up on the central point of piston plate (54), mounting groove (55) have been seted up in piston plate (54), mounting groove (55) are linked together with rectangular channel (53).

4. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: the opening and closing mechanism (6) comprises an electric push rod (61) and a baffle (62) used for sealing the rectangular groove (53), the electric push rod (61) is installed on the left side of the inner wall of the installation groove (55), and the telescopic end of the electric push rod (61) is fixedly connected with the baffle (62) capable of sliding along the installation groove (55).

5. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: the guide mechanism (4) comprises a sliding sleeve (41) and a fixing rod (42), the sliding sleeve (41) is installed in the piston plate (54), the fixing rod (42) is connected in the sliding sleeve (41) in a sliding mode, and the top end and the bottom end of the fixing rod (42) are fixedly connected with the top of the interior of the septic tank (1) and the bottom of the inner wall of the septic tank respectively.

6. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: the gas treatment system includes a separation device (71) to separate water and solid impurities, a desulfurization device (73) to remove hydrogen sulfide, and an absorption device (75) to absorb carbon dioxide.

7. A septic tank gas treatment and utilization apparatus, according to claim 6, characterized in that: the air inlet end of the separation device (71) is communicated with the right end of the T-shaped pipe (16), the air outlet end of the separation device (71) is communicated with the air inlet end of the desulfurization device (73) through a first connecting pipe (72), the air outlet end of the desulfurization device (73) is communicated with the air inlet end of the absorption device (75) through a second connecting pipe (74), and the air outlet end of the absorption device (75) is communicated with the inner cavity of the air storage tank (19) through a third connecting pipe (76).

8. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: the driving mechanism is a hydraulic telescopic rod (9), the hydraulic telescopic rod (9) is fixedly installed at the top of the septic tank (1), and the telescopic end of the hydraulic telescopic rod (9) penetrates through a sliding hole formed in the top of the septic tank (1) and is fixedly connected with the piston plate (54).

9. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: the top end of the manure feeding pipe (2) is provided with a detachable cover.

10. A septic tank gas treatment and utilization apparatus, according to claim 1, characterized in that: and an air pressure detection device (20) is arranged on the position, which is slightly to the right, of the top of the air storage tank (19).

Technical Field

The invention belongs to the field of septic tanks, and particularly relates to a gas treatment and utilization device for a septic tank.

Background

The septic tank is a device for treating excrement and filtering and precipitating the excrement, excrement sewage in the septic tank can generate methane through anaerobic fermentation, the main components of the methane comprise methane, hydrogen sulfide, carbon dioxide and other gases, and the methane is an important fuel, so people can utilize the methane generated by the septic tank.

In the marsh gas that produces in the anaerobic fermentation process of septic tank, when the content of hydrogen sulfide and carbon dioxide is greater than methane, then can influence people to the utilization of marsh gas, at this moment just need take out the marsh gas in the septic tank to reduce the content of hydrogen sulfide and carbon dioxide in the septic tank gas, and current septic tank can't be to the gas direct suction in the septic tank, need to supply gas in the septic tank, this problem that just causes the gas between make-up gas and the former marsh gas to mix the cluster, so not only increased gaseous suction time, still caused the waste of methane gas in the former marsh gas.

Therefore, we propose a septic tank gas treatment and utilization device to solve the above problems.

Disclosure of Invention

The invention provides a septic tank gas treatment and utilization device, aiming at the problems that the gas in a septic tank can not be directly pumped in the prior septic tank, and the gas needs to be supplemented into the septic tank, so that the gas between the supplemented gas and the original methane is mixed and mixed, the gas pumping time is prolonged, and the methane gas in the original methane is wasted.

The technical scheme adopted by the invention for solving the technical problems is as follows: a septic tank gas treatment and utilization device comprises a septic tank for generating methane, wherein a septic pipe is arranged on the lower part of the right side wall of the septic tank, a feces pumping mechanism is arranged on the lower portion of the left side wall of the septic tank, an automatic exhaust valve I, a carbon dioxide concentration detector and a hydrogen sulfide concentration detector are sequentially arranged on the top of the inner wall of the septic tank from right to left, a movable interlayer which can slide along the axial direction of the inner wall of the septic tank is arranged in the septic tank, the movable interlayer divides the inner cavity of the septic tank into a septic area and a gas area, a guide mechanism capable of guiding the movable interlayer to move up and down is arranged in the septic tank, a driving mechanism capable of driving the movable interlayer to move up and down is arranged at the top of the septic tank, and a gas channel communicated with the septic area and the gas area is arranged on the movable interlayer, and a controllable opening and closing mechanism is arranged in the gas channel.

The draught fan is installed at the top of septic tank, the convulsions end and the air-out end of draught fan are linked together with exhaust tube and T type pipe respectively, the bottom of exhaust tube is passed the top of septic tank and is linked together with the gas space of septic tank, the right-hand member and the top of T type pipe are linked together with gas processing system and the gas holder of storing methane gas respectively, and gas processing system is linked together through pipeline and gas holder, T type pipe right side pipe and upside pipe are provided with solenoid valve one and solenoid valve two respectively, the gas filler pipe is installed to the bottom of gas holder, be provided with one-way air outlet valve on the gas filler pipe, the gas filler pipe other end passes the left side wall of septic tank and sets up in the below of removing the interlayer, useful trachea is installed at the top of gas holder.

As a preferred technical scheme of the invention, the excrement pumping mechanism comprises an excrement pumping pump, the excrement pumping end of the excrement pumping pump is communicated with an excrement pumping pipe, the right end of the excrement pumping pipe penetrates through the left side wall of the septic tank and is arranged in the septic area, and the excrement discharging end of the excrement pumping pump is communicated with the excrement discharging pipe.

As a preferred technical scheme, the movable interlayer comprises a rectangular frame and a strip-shaped piston pad, the rectangular frame and the strip-shaped piston pad can axially slide along the inner wall of the septic tank, the strip-shaped piston pad is installed in a rectangular groove formed in the rectangular frame, a piston plate is fixedly connected to the inner ring of the rectangular frame, a rectangular groove is formed in the center of the piston plate, an installation groove is formed in the piston plate, and the installation groove is communicated with the rectangular groove.

As a preferable technical scheme of the invention, the opening and closing mechanism comprises an electric push rod and a baffle plate for closing the rectangular groove, the electric push rod is arranged on the left side of the inner wall of the mounting groove, and the telescopic end of the electric push rod is fixedly connected with the baffle plate capable of sliding along the mounting groove.

As a preferred technical scheme of the invention, the guide mechanism comprises a sliding sleeve and a fixed rod, the sliding sleeve is arranged in the piston plate, the fixed rod is connected in the sliding sleeve in a sliding manner, and the top end and the bottom end of the fixed rod are respectively and fixedly connected with the top of the interior of the septic tank and the bottom of the inner wall of the septic tank.

As a preferable aspect of the present invention, the gas treatment system includes a separation device for separating water and solid impurities, a desulfurization device for removing hydrogen sulfide, and an absorption device for absorbing carbon dioxide.

As a preferred technical scheme of the invention, the air inlet end of the separation equipment is communicated with the right end of the T-shaped pipe, the air outlet end of the separation equipment is communicated with the air inlet end of the desulfurization equipment through a first connecting pipe, the air outlet end of the desulfurization equipment is communicated with the air inlet end of the absorption equipment through a second connecting pipe, and the air outlet end of the absorption equipment is communicated with the inner cavity of the air storage tank through a third connecting pipe.

As a preferable technical scheme of the invention, the driving mechanism is a hydraulic telescopic rod which is fixedly arranged at the top of the septic tank, and the telescopic end of the hydraulic telescopic rod penetrates through a sliding hole formed in the top of the septic tank and is fixedly connected with the piston plate.

As a preferable technical scheme of the invention, the top end of the manure adding pipe is provided with a detachable cover.

As a preferable technical scheme of the invention, an air pressure detection device is arranged on the position, which is slightly to the right, of the top of the air storage tank.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can separate the interior of the septic tank by arranging the movable interlayer and the opening and closing mechanism, effectively avoids the problem that the gas with high content of supplemented methane is mixed with the original methane, drives the movable interlayer and the opening and closing mechanism to move upwards by the driving mechanism to extrude the methane in a gas area, sends the methane into a gas treatment system to sequentially carry out water and solid impurity separation, hydrogen sulfide removal and carbon dioxide absorption treatment under the action of the exhaust pipe, the draught fan and the T-shaped pipe, then sends the methane gas into the gas storage tank to store the methane gas, thus improving the gas suction efficiency, treating the hydrogen sulfide and the carbon dioxide in the original methane, utilizing the methane gas, avoiding the influence of harmful gas on the surrounding environment and achieving the purpose of achieving multiple purposes.

2. According to the invention, by arranging the adjusting plate, when the air pressure detection device detects that the air pressure in the air storage tank is low, water can be injected into the water storage area of the air storage tank through the matching of the water suction pump, the water feeding pipe and the water suction pipe, the position of the adjusting plate in the air storage tank is adjusted, and the air pressure in the air storage tank is adjusted, so that the problems of air volume change and unstable air pressure caused by backfilling of the air storage tank are effectively solved.

3. According to the invention, by arranging the air adding pipe and the one-way air outlet valve, when the movable interlayer and the opening and closing mechanism move upwards to extrude methane in the gas area upwards, gas in the gas storage tank can enter the septic tank through the air adding pipe to supplement methane gas into the septic tank, so that the constant pressure in the septic tank can be ensured, and the combustion effect of the methane in the septic tank can be improved by supplemented gas with high methane content.

4. According to the invention, by arranging the opening and closing mechanism, when the content of hydrogen sulfide and carbon dioxide in the mixed gas is greater than that of methane, the baffle is driven to move by the extension of the electric push rod, the rectangular groove is sealed by the baffle, and then the interior of the septic tank is separated, so that the gas with high content of supplemented methane and the original methane can be prevented from mixing and stringing, the gas in the septic tank can be conveniently treated, and the normal circulation of the gas in the septic tank can be ensured when the baffle does not seal the rectangular groove any more by the contraction of the electric push rod.

5. According to the invention, the T-shaped pipe, the first electromagnetic valve and the second electromagnetic valve are arranged, when the methane in the septic tank reaches the standard of combustion utilization, the second electromagnetic valve is closed and the second electromagnetic valve is opened, so that the methane in the septic tank directly enters the gas storage tank under the action of the draught fan, and a user can directly utilize the methane, and when the contents of carbon dioxide and hydrogen sulfide in the methane in the septic tank are higher, the second electromagnetic valve is closed and the first electromagnetic valve is opened, so that the methane enters the gas treatment system and is treated by the gas treatment system.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the vertical structure of the septic tank of the invention;

FIG. 4 is a schematic diagram of a side-view section three-dimensional structure of the septic tank of the invention;

FIG. 5 is a schematic view of a top-view section of a septic tank of the present invention;

fig. 6 is a schematic view of a top-view section three-dimensional structure of a septic tank in an embodiment of the invention;

FIG. 7 is another septic tank gas treatment and utilization apparatus of the present invention;

fig. 8 is a schematic view of the top cross-sectional structure of the septic tank of fig. 7 in accordance with the present invention.

In the figure: 1 septic tank, 2 manure adding pipes, 3 manure pumping mechanisms, 31 manure pumping pipes, 32 sewage pumping pumps, 33 manure discharging pipes, 4 guide mechanisms, 41 sliding sleeves, 42 fixing rods, 5 moving interlayers, 51 strip-shaped piston pads, 52 rectangular frames, 53 rectangular grooves, 54 piston plates, 55 mounting grooves, 6 opening and closing mechanisms, 61 electric push rods, 62 baffles, 63 electromagnetic vent valves, 71 separation equipment, 72 connecting pipes I and 73 desulfurization equipment, 74 connecting pipes II and 75 absorption equipment, 76 connecting pipes III, 8 automatic exhaust valves I and 9 driving mechanisms, 10 carbon dioxide concentration detectors, 11 hydrogen sulfide concentration detectors, 12 gas adding pipes, 13 induced draft fans, 14 one-way gas outlet valves, 15 air pumping pipes, 16T-shaped pipes, 17 electromagnetic valves I and 18 electromagnetic valves II, 19 gas storage tanks, 20 gas pipes, 21 air pressure detection devices, 22 adjusting plates, 23 water adding pipes, 24 water pumping pumps, 25 water pumping pipes, 26 water discharging pipes, 27 water discharging one-way valves, 24 water discharging pipes, 25 water pumping pipes, 13 air pumping pipes and the like, 28 water pool.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Referring to fig. 1-8, the present invention provides a technical scheme of a septic tank gas treatment and utilization apparatus:

the first embodiment is as follows:

according to the figures 1-6, the septic tank comprises a septic tank 1 for generating biogas, a septic pipe 2 is installed on the lower part of the right side wall of the septic tank 1, a detachable cover is arranged on the top end of the septic pipe 2, a feces pumping mechanism 3 is arranged on the lower part of the left side wall of the septic tank 1, the feces pumping mechanism 3 comprises a feces pumping pump 32, the dirt pumping end of the feces pumping pump 32 is communicated with a feces pumping pipe 31, the right end of the feces pumping pipe 31 passes through the left side wall of the septic tank 1 and is arranged in a feces area, the dirt discharging end of the feces pumping pump 32 is communicated with a feces discharging pipe 33, by arranging the feces pumping mechanism 3, when feces in the septic tank 1 need to be pumped out, the feces in the septic tank can be pumped out through the feces pumping mechanism 3, an automatic exhaust valve I8, a carbon dioxide concentration detector 10 and a hydrogen sulfide concentration detector 11 are sequentially installed on the top of the inner wall of the septic tank 1 from right to left, by arranging the automatic exhaust valve I8, when a draught fan 13 or other components have faults and the gas in the septic tank 1 is more, the gas in the septic tank 1 can be discharged through an automatic exhaust valve I8, the concentration of the carbon dioxide in the septic tank 1 can be detected by arranging a carbon dioxide concentration detector 10, the gas in the septic tank 1 is treated when the concentration of the carbon dioxide is higher, the concentration of the hydrogen sulfide in the septic tank 1 can be detected by arranging a hydrogen sulfide concentration detector 11, the gas in the septic tank 1 is treated when the concentration of the hydrogen sulfide is higher, a movable interlayer 5 capable of axially sliding along the inner wall of the septic tank 1 is arranged in the septic tank 1, the inner cavity of the septic tank 1 is divided into a septic zone and a gas zone by the movable interlayer 5, the movable interlayer 5 comprises a rectangular frame 52 and a strip-shaped piston pad 51 capable of axially sliding along the inner wall of the septic tank 1, the strip-shaped piston pad 51 is arranged in a rectangular groove formed in the rectangular frame 52, inner circle fixedly connected with piston plate 54 of rectangle frame 52, rectangular channel 53 has been seted up on the central point of piston plate 54 puts, when baffle 62 no longer seals rectangular channel 53, can guarantee gaseous normal circulation in septic tank 1, mounting groove 55 has been seted up in piston plate 54, mounting groove 55 is linked together with rectangular channel 53, septic tank 1 is inside to be provided with guide mechanism 4 that can guide to remove interlayer 5 up-and-down motion, guide mechanism 4 includes sliding sleeve 41 and dead lever 42, sliding sleeve 41 installs in piston plate 54, sliding connection has dead lever 42 in sliding sleeve 41, the top and the bottom of dead lever 42 respectively with septic tank 1's inside top and inner wall bottom fixed connection, the actuating mechanism that can drive to remove interlayer 5 up-and-down motion is installed at the top of septic tank 1, its effect lies in: the driving mechanism drives the movable interlayer 5 and the opening and closing mechanism 6 to move upwards to extrude methane in a gas area, and under the action of the exhaust pipe 15, the draught fan 13 and the T-shaped pipe 16, the methane is sent into a gas treatment system to be sequentially separated from water and solid impurities, treated for removing hydrogen sulfide and absorbing carbon dioxide, and then sent into the gas storage tank 19 to be stored, so that the gas suction efficiency is improved, the hydrogen sulfide and the carbon dioxide in the original methane can be treated, the methane can be utilized, meanwhile, the influence of harmful gas on the surrounding environment can be avoided, the purpose of achieving multiple purposes is achieved, the driving mechanism is the hydraulic telescopic rod 9, the hydraulic telescopic rod 9 is fixedly arranged at the top of the septic tank 1, the telescopic end of the hydraulic telescopic rod 9 penetrates through a sliding hole formed in the top of the septic tank 1 and is fixedly connected with the piston plate 54, remove the gas passage who is provided with intercommunication septic zone and gaseous region on the interlayer 5, install controllable headstock gear 6 in the gas passage, headstock gear 6 includes electric putter 61 and the baffle 62 that is used for sealing rectangular channel 53, electric putter 61 installs the inner wall left side at mounting groove 55, electric putter 61's flexible end fixedly connected with can follow the gliding baffle 62 of mounting groove 55, through setting up headstock gear 6, when hydrogen sulfide and carbon dioxide's content is greater than methane in the mist, extension through electric putter 61 drives the removal of baffle 62, seal rectangular channel 53 through baffle 62, then separate septic tank 1 inside, can avoid supplementing the gas that methane content is high and former marsh gas and take place to mix the cluster, so that handle the gas in the septic tank 1.

An induced draft fan 13 is installed at the top of the septic tank 1, the air draft end and the air outlet end of the induced draft fan 13 are respectively communicated with an air draft pipe 15 and a T-shaped pipe 16, the bottom end of the air draft pipe 15 penetrates through the top of the septic tank 1 and is communicated with the gas area of the septic tank 1, the right end and the top end of the T-shaped pipe 16 are respectively communicated with a gas treatment system and a gas storage tank 19 for storing methane gas, the gas treatment system comprises a separation device 71 for separating water and solid impurities, a desulfurization device 73 for removing hydrogen sulfide and an absorption device 75 for absorbing carbon dioxide, the air inlet end of the separation device 71 is communicated with the right end of the T-shaped pipe 16, the air outlet end of the separation device 71 is communicated with the air inlet end of the desulfurization device 73 through a first connecting pipe 72, the air outlet end of the desulfurization device 73 is communicated with the air inlet end of the absorption device 75 through a second connecting pipe 74, the air outlet end of the absorption device 75 is communicated with the inner cavity of the gas storage tank 19 through a third connecting pipe 76, the gas treatment system is communicated with a gas storage tank 19 through a pipeline, a first electromagnetic valve 17 and a second electromagnetic valve 18 are respectively arranged on the right side pipe and the upper side pipe of a T-shaped pipe 16, the first electromagnetic valve 17 and the second electromagnetic valve 18 are arranged, when the methane in the septic tank 1 reaches the standard of combustion utilization, the first electromagnetic valve 17 is closed and the second electromagnetic valve 18 is opened, so that the methane in the septic tank 1 directly enters the gas storage tank 19 under the action of an induced draft fan 13, a user can directly utilize the methane, when the content of carbon dioxide and hydrogen sulfide in the methane in the septic tank 1 is higher, the second electromagnetic valve 18 is closed and the first electromagnetic valve 17 is opened, so that the methane enters the gas treatment system to be treated through the gas treatment system, a gas adding pipe 12 is arranged at the bottom of the gas storage tank 19, a one-way gas outlet valve 14 is arranged on the gas adding pipe 12, and the other end of the gas adding pipe 12 passes through the left side wall of the septic tank 1 and is arranged below a movable interlayer 5, through setting up gas filling pipe 12 and one-way air outlet valve 14, when removing interlayer 5 and the time of the ascending extrusion of hoist mechanism 6 with the marsh gas in the gas district, the gas in the gas holder 19 can get into septic tank 1 through gas filling pipe 12, supply methane gas toward in septic tank 1, can guarantee the invariant of the internal atmospheric pressure of septic tank 1 on the one hand, the gaseous combustion effect of marsh gas in septic tank 1 can be improved to the gaseous of the high methane content that on the other hand supplyed, gas pipe 20 is installed at the top of gas holder 19, through being connected with the marsh gas pipeline of user's family with gas pipe 20, so that the user uses the marsh gas in the gas holder 19 in daily life, install atmospheric pressure detection device 20 on the position of the partial right in gas holder 19 top.

When the device is used specifically, the gas pipe 20 is connected with a household methane pipeline of a user, so that the user can use methane in the gas storage tank 19 in daily life conveniently, excrement is added into the septic tank 1 through the excrement adding pipe 2, and in the methane generated in the anaerobic fermentation process of the septic tank 1, when the methane in the septic tank 1 reaches the standard of combustion and utilization, the electromagnetic valve II 18 is opened, so that the methane in the septic tank 1 directly enters the gas storage tank 19 under the action of the draught fan 13, and the user can directly utilize the methane;

when the carbon dioxide concentration detector 10 or the hydrogen sulfide concentration detector 11 detects that the content of carbon dioxide or hydrogen sulfide in the septic tank 1 is large, firstly, the baffle plate 62 is driven to move by the extension of the electric push rod 61, the rectangular groove 53 is sealed by the baffle plate 62, then the interior of the septic tank 1 is divided, then the second electromagnetic valve 18 is closed and the first electromagnetic valve 17 is opened, then the driving mechanism drives the movable interlayer 5 and the opening and closing mechanism 6 to move upwards to extrude the methane in the gas area upwards, and the marsh gas is sent into a gas processing system to be sequentially subjected to water and solid impurity separation, hydrogen sulfide removal and carbon dioxide absorption under the action of an air extraction pipe 15, an induced draft fan 13 and a T-shaped pipe 16, then the methane gas is sent into a gas storage tank 19, and simultaneously the gas in the gas storage tank 19 can enter the septic tank 1 through a gas adding pipe 12, so that the gas with high methane content is supplemented into the septic tank 1.

Example two:

on the basis of the first embodiment, as shown in fig. 1 and fig. 2, an adjusting plate 22 capable of sliding left and right along the inner wall of the air storage tank 19 is arranged in the air storage tank 19, the adjusting plate 22 divides the air storage tank 19 into an air storage area and a water storage area, by arranging the adjusting plate 22, when the air pressure detection device 21 detects that the air pressure in the air storage tank 19 is low, water can be injected into the water storage area of the air storage tank 19 through the cooperation of a water suction pump 24, a water feeding pipe 23 and a water suction pipe 25, the position of the adjusting plate 22 in the air storage tank 19 is adjusted, the air pressure in the air storage tank 19 is adjusted, the problem that the air volume of the air storage tank 19 is changed and the air pressure is unstable due to backfilling is effectively solved, the water suction pump 24 is fixedly arranged at the top of the air storage tank 19, the water suction end and the water storage end of the water suction pump 24 are respectively communicated with the water feeding pipe 23 and the water suction pipe 25, and the bottom end of the water feeding pipe 23 penetrates through the top of the air storage tank 19 and is communicated with the water storage area, the bottom end of the water pumping pipe 25 is arranged in a water tank 28, a drain pipe 26 is arranged on the lower position of the right side wall of the water tank 28, the right end of the drain pipe 26 penetrates through the left side wall of the air storage tank 19 and is communicated with the water storage area, a drain one-way valve 27 is arranged on the drain pipe 26, and by arranging the drain pipe 26 and the one-way valve 27, when more methane exists in the air storage tank 19, the adjusting plate 22 can be extruded to move leftwards, and then water in the water storage area can automatically flow into the water tank 28 through the drain pipe 26.

When the device is used specifically, when the air pressure detection device 21 detects that the air pressure in the air storage tank 19 is low, water can be injected into the water storage area of the air storage tank 19 through the matching of the water suction pump 24, the water feeding pipe 23 and the water suction pipe 25, the position of the adjusting plate 22 in the air storage tank 19 is adjusted, the air pressure in the air storage tank 19 is adjusted, when the methane in the air storage tank 19 is high, the adjusting plate 22 can be extruded to move leftwards, and then the water in the water storage area can automatically flow into the water tank 28 through the water discharge pipe 26.

Example three:

in addition to the first and second embodiments, as shown in fig. 6, the opening and closing mechanism 6 may be an electromagnetic breather valve 63, and the electromagnetic breather valve 63 is installed in the installation groove formed in the piston plate 54, and functions as: when the electromagnetic vent valve 63 is opened, the circulation of gas in the septic tank 1 can be ensured, and when the electromagnetic vent valve 63 is closed, the inside of the septic tank 1 can be separated, so that the problem of mixing and stringing of gas with high methane content and original methane can be effectively avoided.

Example four:

in another septic tank gas treatment and utilization device, the same parts of the embodiment as those of the first embodiment and the second embodiment are not described again, and the differences are as follows: as shown in fig. 7 and 8, the septic tank comprises a septic tank 1 and a sealing shell 5 for generating biogas, wherein a septic pipe 2 is installed on a lower position of a right side wall of the septic tank 1, a detachable cover is arranged on a top end of the septic pipe 2, a feces pumping mechanism 3 is arranged on a lower position of a left side wall of the septic tank 1, the feces pumping mechanism 3 comprises a sewage pumping pump 32, a sewage pumping end of the sewage pumping pump 32 is communicated with a feces pumping pipe 31, a right end of the feces pumping pipe 31 penetrates through the left side wall of the septic tank 1 and is arranged in a feces area, a sewage outlet end of the sewage pumping pump 32 is communicated with a feces outlet pipe 33, a carbon dioxide concentration detector, a hydrogen sulfide concentration detector and an automatic exhaust valve I are sequentially installed on a right side wall of the sealing shell 5 from top to bottom, the sealing shell 5 is buckled on the top of the septic tank 1 through a connecting flange 6, and the sealing shell 5 and the septic tank 1 are hermetically connected together through the connecting flange 6, the connecting structure is detachable, the maintenance and replacement of the internal parts of the sealing shell 5 are convenient, a baffle plate 8 is arranged in the sealing shell 5, the front surface, the back surface and the right side surface of the baffle plate 8 are respectively and fixedly connected with the front side, the back side and the right side of the inner wall of the sealing shell 5, an air inlet channel is formed at the gap part of the left end of the baffle plate 8 which is not connected with the inner wall of the sealing shell 5, two wire holes 13 are arranged in the baffle plate 8, the two wire holes 13 are arranged in a front-back manner, steel wire ropes 111 penetrate through the two wire holes 13, four bearings are respectively clamped in the front side wall and the back side wall of the sealing shell 5, the same rotating shaft 12 is sleeved in the two bearings which are opposite from front to back, the back end of the upper right side rotating shaft 12 is fixedly connected with an output shaft of a positive and negative motor 30, the positive and negative motor 30 is fixedly arranged on the back side surface of the sealing shell 5, two wire wheels 11 are sleeved on the rotating shaft 12, and the same wire rope 111 passes through the four wire guide wheels 11 on the same side, and the function of the wire guide wheel is as follows: can support the direction to wire rope 111 through setting up four wire wheels 11, avoid taking place the friction between wire rope 111 and other parts, wire rope 111's both ends respectively with two solid fixed ring 29 fixed connection, and two solid fixed ring 29 respectively fixed connection in piston plate 9's left surface and right flank, piston plate 9 can follow baffle 8's upper surface and 5 inner walls of seal housing and carry out the horizontal slip, its effect lies in: the positive and negative motor 30 drives the corresponding rotating shaft 12 and the two wire guide wheels 11 to rotate in the forward process, then the piston plate 9 is pulled to move rightwards through the steel wire rope 111 under the action of other wire guide wheels 11, then the gas on the right side of the piston plate 9 is extruded rightwards, the methane is sent into a gas treatment system to be sequentially separated from water and solid impurities, the hydrogen sulfide is removed and the carbon dioxide is absorbed under the action of the exhaust pipe 15, the induced draft fan 13 and the T-shaped pipe 16, then the methane gas is sent into the gas storage tank 19 to be stored, the electromagnetic vent valve 10 is arranged in the mounting groove formed in the piston plate 9, when the electromagnetic vent valve 10 is opened, the circulation of the gas in the sealing shell 5 and the septic tank 1 can be ensured, when the electromagnetic vent valve 63 is closed, the inside of the sealing shell 5 can be separated, and the problem of mixing and stringing of the gas with high content of supplemented methane and the original methane can be effectively avoided, all install touch sensor 14 on the position that the baffle 8 upper surface is to the left and to the right, through setting up two touch sensor 14, when piston plate 9 moves the in-process and touch right side touch sensor 14 in the right side, make positive and negative motor 30 reverse rotation, make piston plate 9 move left, when piston plate 9 moves the in-process left and touch left side touch sensor 14, make positive and negative motor 30 no longer work.

An induced draft fan 13 is installed at the top of the sealing shell 5, the air draft end and the air outlet end of the induced draft fan 13 are respectively communicated with an air exhaust pipe 15 and an air outlet pipe, the bottom end of the air exhaust pipe 15 penetrates through the top of the sealing shell 5 and is communicated with the sealing shell 5, the other end of the air outlet pipe is communicated with the bottom end of a T-shaped pipe 16, and the right end and the top end of the T-shaped pipe 16 are respectively communicated with a gas treatment system and a gas storage tank 19 for storing methane gas.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be covered thereby.