CN209906723U

CN209906723U - Methane safety purification device

Info

Publication number: CN209906723U
Application number: CN201920747417.2U
Authority: CN
Inventors: 孔垂雪; 梅自力; 冉毅; 贺莉; 罗涛; 李江; 李淑兰; 宁睿婷; 袁萧
Original assignee: Biogas Institute of Ministry of Agriculture
Current assignee: Biogas Institute of Ministry of Agriculture
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-07
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a marsh gas safety purification device, including last casing, lower casing, air exhauster and intake pipe, it is equipped with down the casing to go up the casing lower extreme, the casing lower extreme all is equipped with buffer base down all around, it is equipped with the drain pipe to go up casing lower extreme middle part, the drain pipe middle part is equipped with the second solenoid valve, the inside first landslide that is equipped with of casing down. The utility model has reasonable structural design, and is provided with the stirring mechanism, which is favorable for the alkaline liquid to fully contact with the methane to generate chemical reaction, thereby improving the purification effect of the methane; the filter plate, the HEPA filter screen and the demister are arranged, so that impurities and dust in the methane can be filtered, and meanwhile, moisture in the methane can be separated; the fixing mechanism is arranged, so that the filter plate, the HEPA filter screen and the demister can be replaced conveniently, and the time for twisting the screws is saved; set up buffer base, be favorable to wholly buffering the device, the part that avoids mechanical vibration to lead to is not hard up, influences the whole life of device.

Description

Methane safety purification device

Technical Field

The utility model relates to a marsh gas purifier, in particular to a marsh gas safety purifier.

Background

The biogas is a combustible mixed gas produced by fermenting organic wastes under anaerobic conditions, and comprises the main components of 60-70% of methane, 30-40% of carbon dioxide, 0.5-1.5% of hydrogen sulfide and a certain amount of water vapor. Hydrogen sulfide is a highly toxic gas, which not only causes corrosion of pipelines and equipment, but also endangers the health of people.

Before the biogas is used as energy, the biogas must be purified. The biogas purification mainly removes hydrogen sulfide and moisture in the biogas, and the hydrogen sulfide is a highly toxic gas, so that not only can pipelines and equipment be corroded, but also the health of people can be endangered, and the direct use of the biogas is very dangerous. The existing biogas purification system is formed by combining devices such as desulfurization equipment, dehydration equipment and the like, has more connecting pipelines, is complex to install, has higher one-time investment, and is difficult to replace a filter screen of a filter device and a desulfurizer of the desulfurization device.

Therefore, the person skilled in the art provides a biogas safety purification device to solve the problems mentioned in the background art.

Disclosure of Invention

An object of the utility model is to provide a marsh gas safety purification device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a safe biogas purification device comprises an upper shell, a lower shell, an exhaust fan and an air inlet pipe, wherein the lower end of the upper shell is provided with the lower shell, buffering bases are arranged on the periphery of the lower end of the lower shell, a liquid outlet pipe is arranged in the middle of the lower end of the upper shell, a second electromagnetic valve is arranged in the middle of the liquid outlet pipe, a first landslide is arranged in the lower shell, the positions of the liquid outlet pipe and the first landslide correspond to each other, and a liquid discharge pipe is arranged at the lower part of the left side of the lower shell; the middle part of the left side wall of the upper shell is provided with a circulating pipe, the middle part of the left side wall of the upper shell is provided with a tripod, the upper end of the tripod is provided with an induced draft fan, an air inlet of the induced draft fan is connected with an air inlet pipe, an air outlet of the induced draft fan is connected with the circulating pipe, the left side and the right side of the inner side of the upper shell are respectively provided with a first vertical plate and a second vertical plate, the upper part of the first vertical plate is sleeved with one end of an air pipe, the air pipe is in a 7-shaped structure, the other end of the air pipe extends to the lower part of a middle cavity of the upper shell, the lower part of the right side wall of the second vertical plate is provided with a stirring mechanism, the middle part of the left side wall of the second vertical plate is provided with a liquid level sensor, the upper part of, an exhaust pipe is arranged at the lower part of the right side of the upper shell, one end of the exhaust pipe is connected with an air inlet of an exhaust fan, an air outlet of the exhaust fan is connected with an external pipeline, and a first electromagnetic valve is arranged in the middle of the exhaust pipe; go up casing left part cavity inboard and be equipped with the filter, it is equipped with HEPA filter screen and defroster from a left side to the right side in proper order to go up casing right part cavity inboard, filter, HEPA filter screen and defroster upper end all pass the casing and are equipped with the connecting plate, the symmetry is equipped with the handle around the connecting plate upper end, is located the last casing upper end of connecting plate left and right sides all is equipped with fixed establishment, mutual butt between fixed establishment and the connecting plate.

As a further aspect of the present invention: and a second landslide is arranged at the lower end of the middle chamber in the middle of the inner side of the upper shell.

As a further aspect of the present invention: the stirring mechanism comprises a cover body, a first stirring shaft and a second stirring shaft, wherein the cover body is arranged at the lower part of the right side wall of the second vertical plate, a motor cover is arranged in the middle of the right side wall of the cover body, a motor is arranged in the motor cover, a motor shaft of the motor extends to the inner side of the cover body and is sleeved with a driving gear, the second stirring shaft and the first stirring shaft are respectively connected with the upper part and the lower part of the inner wall of the cover body through a bearing, a first driven gear is sleeved on the first stirring shaft positioned at the inner side of the cover body, a second driven gear is sleeved on the second stirring shaft positioned at the inner side of the cover body, the driving gear is mutually meshed with the first driven gear, the driving gear is mutually meshed with the second driven gear, the left end parts of the first stirring shaft and the second stirring shaft both penetrate through the second vertical plate and extend into a, the stirring blades of the first stirring shaft and the stirring blades of the second stirring shaft are mutually staggered.

As a further aspect of the present invention: the first driven gear and the second driven gear are identical in size.

As a further aspect of the present invention: the buffer base comprises a bottom column, a bottom shell, a spring and a limiting plate, wherein the bottom column is arranged around the lower end of the lower shell, the limiting plate is arranged at the lower end of the bottom column, the bottom shell is sleeved on the side wall of the lower portion of the bottom column, and the spring is arranged between the lower end of the inner side of the bottom shell and the limiting plate.

As a further aspect of the present invention: fixing mechanism includes support, pivot, backup pad and fixed cover, the support sets up the last casing upper end in the connecting plate left and right sides, is located the front and back be equipped with the pivot between the support, be located the rear portion lateral wall all is equipped with the backup pad behind the support, the backup pad upper end is equipped with micro motor, micro motor's motor shaft passes the one end of rear side support and through the coupling joint pivot, equidistant cover in pivot lateral wall middle part is equipped with a plurality of rotor plates, the rotor plate lower extreme is equipped with the supporting shoe, mutual butt between supporting shoe and the connecting plate is located the pivot lateral wall of both sides all overlaps and is equipped with fixed cover around the rotor plate.

As a further aspect of the present invention: the model of the induced draft fan is y6-41-4.5c, the model of the motor is YD160L-4/2, the model of the first electromagnetic valve and the model of the second electromagnetic valve are ZCB-1/200Hz, the model of the micro motor is M590-502, the model of the concentration sensor is JXBS-5001-H2S, the model of the flow air pump is XGB-550, the model of the liquid level sensor is JY-P260, and the model of the exhaust fan is SF 3-2.

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

the utility model has reasonable structural design, and is provided with the stirring mechanism, which is favorable for the alkaline liquid to fully contact with the methane to generate chemical reaction, thereby improving the purification effect of the methane; the filter plate, the HEPA filter screen and the demister are arranged, so that impurities and dust in the methane can be filtered, and meanwhile, moisture in the methane can be separated; the fixing mechanism is arranged, so that the filter plate, the HEPA filter screen and the demister can be replaced conveniently, and the time for twisting the screws is saved; set up buffer base, be favorable to wholly buffering the device, the part that avoids mechanical vibration to lead to is not hard up, influences the whole life of device.

Drawings

Fig. 1 is a schematic structural diagram of a methane safety purification device.

Fig. 2 is a schematic structural diagram of a methane safety purification device a.

Fig. 3 is a schematic structural diagram of a biogas safety purification device B.

Fig. 4 is a schematic structural diagram of a biogas safety purification device C.

Fig. 5 is a schematic top view of a fixing mechanism in the methane safety purification device.

Fig. 6 is a schematic structural diagram of a buffering base in the methane safety purification device.

In the figure: the device comprises an upper shell 1, an induced draft fan 2, an air inlet pipe 3, a tripod 4, a circulating pipe 5, a stirring mechanism 6, a motor cover 601, a motor 602, a first stirring shaft 603, a first driven gear 604, a second stirring shaft 605, a second driven gear 606, a driving gear 607, a cover 608, a liquid discharge pipe 7, a buffer base 8, a bottom column 801, a bottom shell 802, a spring 803, a limit plate 804, a handle 9, a connecting plate 10, a lower shell 11, a first vertical plate 12, a first landslide 13, a second vertical plate 14, an exhaust pipe 15, a first electromagnetic valve 16, a concentration sensor 17, a demister 18, a HEPA filter screen 19, a through port 20, a flow valve 21, a liquid inlet pipe 22, a flow air pump 23, a vent pipe 24, a fixing mechanism 25, a supporting block 2501, a rotating plate 2502, a support 2503, a rotating shaft 2504, a micro motor 2505, a fixing sleeve 2506, a supporting plate 2507, a filter plate, An exhaust blower 30.

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 to 6, in an embodiment of the present invention, a methane safety purification device includes an upper casing 1, a lower casing 11, an exhaust fan 30 and an intake pipe 3, where the lower end of the upper casing 1 is provided with the lower casing 11, the periphery of the lower end of the lower casing 11 is provided with a buffer base 8, the middle of the lower end of the upper casing 1 is provided with a liquid outlet pipe 27, the middle of the liquid outlet pipe 27 is provided with a second electromagnetic valve 28, a first landslide 13 is arranged inside the lower casing 11, the liquid outlet pipe 27 corresponds to the first landslide 13, and the lower part of the left side of the lower casing 11 is provided with a liquid discharge pipe 7; the middle part of the left side wall of the upper shell 1 is provided with a runner pipe 5, the middle part of the left side wall of the upper shell 1 is provided with a tripod 4, the upper end of the tripod 4 is provided with an induced draft fan 2, an air inlet of the induced draft fan 2 is connected with an air inlet pipe 3, an air outlet of the induced draft fan 2 is connected with the runner pipe 5, the left side and the right side of the inner side of the upper shell 1 are respectively provided with a first vertical plate 12 and a second vertical plate 14, the upper part of the first vertical plate 12 is sleeved with one end of a vent pipe 24, the vent pipe is in a 7-shaped structure, the other end of the vent pipe 24 extends to the lower part of the middle cavity of the upper shell 1, the lower part of the right side wall of the second vertical plate 14 is provided with a stirring mechanism 6, the middle part of the left side wall of the second vertical, the lower end of the liquid inlet pipe 22 extends to the lower part of the middle cavity inside the upper shell 1, the upper part of the right side of the upper shell 1 is provided with a concentration sensor 17, the lower part of the right side of the upper shell 1 is provided with an exhaust pipe 15, one end of the exhaust pipe 15 is connected with an air inlet of an exhaust fan 30, an air outlet of the exhaust fan 30 is connected with an external pipeline, and the middle part of the exhaust pipe 15 is provided with a first electromagnetic valve 16; go up 1 left part cavity inboard of casing and be equipped with filter 26, it is equipped with HEPA filter screen 19 and defroster 18 from a left side to the right side in proper order to go up 1 right part cavity inboard of casing, filter 26, HEPA filter screen 19 and defroster 18 upper end all pass last casing 1 and are equipped with connecting plate 10, the symmetry is equipped with handle 9 around the connecting plate 10 upper end, is located 1 upper end of last casing of the 10 left and right sides of connecting plate all is equipped with fixed establishment 25, mutual butt between fixed establishment 25 and the connecting plate 10.

And a second landslide is arranged at the lower end of the middle chamber in the middle of the inner side of the upper shell 1.

The stirring mechanism 6 comprises a cover 608, a first stirring shaft 603 and a second stirring shaft 605, the cover 608 is arranged at the lower part of the right side wall of the second vertical plate 14, a motor cover 601 is arranged at the middle part of the right side wall of the cover 608, a motor 602 is arranged in the motor cover 601, a motor shaft of the motor 602 extends to the inner side of the cover 608 and is sleeved with a driving gear 607, the second stirring shaft 605 and the first stirring shaft 603 are respectively connected with the upper part and the lower part of the inner wall of the cover 608 through bearings, the first stirring shaft 603 positioned at the inner side of the cover 608 is sleeved with a first driven gear 604, the second stirring shaft 605 positioned at the inner side of the cover 608 is sleeved with a second driven gear 606, the driving gear 607 is engaged with the first driven gear 604, the driving gear 607 is engaged with the second driven gear 606, the left end parts of the first stirring shaft 603 and the second stirring shaft 605 both penetrate through the second vertical plate 14, the upper side wall and the lower side wall of the first stirring shaft 603 and the second stirring shaft 605 are provided with stirring blades in a staggered manner, and the stirring blades of the first stirring shaft 603 are staggered with the stirring blades of the second stirring shaft 605.

The first driven gear 604 and the second driven gear 606 are identical in size.

Buffer base 8 includes pillar 801, drain pan 802, spring 803 and limiting plate 804, pillar 801 sets up under casing 11 lower extreme all around, pillar 801 lower extreme is equipped with limiting plate 804, pillar 801 lower part lateral wall cover is equipped with drain pan 802, be equipped with spring 803 between inboard lower extreme of drain pan 802 and the limiting plate 804.

Fixing mechanism 25 includes support 2503, pivot 2504, backup pad 2507 and fixed cover 2506, support 2503 sets up in the upper casing 1 upper end of the connecting plate 10 left and right sides, is located the front and back be equipped with pivot 2504 between the support 2503, be located the rear portion the support 2503 rear side wall all is equipped with backup pad 2507, backup pad 2507 upper end is equipped with micro motor 2505, micro motor 2505's motor shaft passes rear side support 2503 and passes through the one end of coupling joint pivot 2504, equidistant cover is equipped with a plurality of rotor plates 2502 in pivot 2504 lateral wall middle part, rotor plate 2502 lower extreme is equipped with supporting shoe 2501, mutual butt between supporting shoe 2501 and the connecting plate 10 is located the pivot 2504 lateral wall of rotor plate 2502 front and back both sides all is equipped with fixed cover 2506.

The model of the induced draft fan 2 is y6-41-4.5c, the model of the motor 602 is YD160L-4/2, the models of the first electromagnetic valve 16 and the second electromagnetic valve 28 are ZCB-1/200Hz, the model of the micro motor 2505 is M590-502, the model of the concentration sensor 17 is JXBS-5001-H2S, the model of the flow air pump 23 is XGB-550, the model of the liquid level sensor 29 is JY-P260, and the model of the exhaust fan 30 is SF 3-2.

The utility model discloses a theory of operation is:

the utility model relates to a marsh gas safety purification device, interconnect biogas pipeline and intake pipe 3, start draught fan 2 through external controller, make marsh gas let in the left cavity of casing 1, carry out the prefiltration through filter 26, get rid of dust and impurity in the marsh gas, later the controller starts flow air pump 23, make marsh gas get into the alkaline solution of casing 1 middle part cavity lower part, through starting motor 602 of rabbling mechanism 6, the motor shaft cover of motor 602 is equipped with driving gear 607, all intermeshing between driving gear 607 and first driven gear 604 and second driven gear 606, thereby drive first (mixing) shaft 603 and second (mixing) shaft 605 and rotate, make alkaline solution and marsh gas fully react, carry out desulfurization treatment to it, the in-process of reaction, consume alkaline solution, detect through level sensor 29, when the solution liquid level is less than the default, starting a flow valve 21 to introduce the alkaline solution from a liquid inlet pipe 22, so that the alkaline solution inside the upper shell 1 returns to a normal liquid level; the desulfurized biogas rises and passes through the through port 20, is filtered again through the HEPA filter screen 19, is dehydrated through the demister 18, and is finally extracted and used through the action of the exhaust fan 30 and the first electromagnetic valve 16; the buffer bases 8 are arranged on the periphery of the lower end of the whole device, so that the whole device is favorably buffered, and the phenomenon that the whole service life of the device is influenced due to part looseness caused by mechanical vibration is avoided; when the device is used for a period of time, the filter plate 26, the HEPA filter screen 19 and the demister 18 need to be replaced, the micro motor 2505 in the corresponding position is started through an external controller, a motor shaft of the micro motor 2505 is connected with one end of the rotating shaft 2504 through a coupler, a plurality of rotating plates 2502 are sleeved on the side wall of the rotating shaft 2504, supporting blocks 2501 are arranged at the lower parts of the rotating plates 2502, the supporting blocks 2501 are abutted to the connecting plate 10, so that the filter plate 26, the HEPA filter screen 19 or the demister 18 at the lower end of the connecting plate 10 are fixed or loosened, and a worker can draw out the filter plate 26, the HEPA filter screen 19 or the demister 18 through the handle 9, so that; when the device is not in use, the alkaline solution can be drained through the outlet pipe 27 by opening the second solenoid valve 28, after which all the appliances are closed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a marsh gas safety purification device, includes upper housing (1), lower housing (11), air exhauster (30) and intake pipe (3), its characterized in that: a lower shell (11) is arranged at the lower end of the upper shell (1), buffering bases (8) are arranged on the periphery of the lower end of the lower shell (11), a liquid outlet pipe (27) is arranged in the middle of the lower end of the upper shell (1), a second electromagnetic valve (28) is arranged in the middle of the liquid outlet pipe (27), a first landslide (13) is arranged in the lower shell (11), the liquid outlet pipe (27) corresponds to the first landslide (13), and a liquid discharge pipe (7) is arranged at the lower part of the left side of the lower shell (11); the middle of the left side wall of the upper shell (1) is provided with a circulating pipe (5), the middle of the left side wall of the upper shell (1) is provided with a triangular support (4), the upper end of the triangular support (4) is provided with an induced draft fan (2), an air inlet of the induced draft fan (2) is connected with an air inlet pipe (3), an air outlet of the induced draft fan (2) is connected with the circulating pipe (5), the left side and the right side of the inner side of the upper shell (1) are respectively provided with a first vertical plate (12) and a second vertical plate (14), the upper part of the first vertical plate (12) is sleeved with one end of a vent pipe (24), the vent pipe is of a 7-shaped structure, the other end of the vent pipe (24) extends to the lower part of a middle cavity of the upper shell (1), the lower part of the right side wall of the second vertical plate (14) is provided with a stirring mechanism (6, a liquid inlet pipe (22) is sleeved in the middle of the upper end of the upper shell (1), a flow valve (21) is arranged in the middle of the liquid inlet pipe (22), the lower end of the liquid inlet pipe (22) extends to the lower portion of a middle cavity on the inner side of the upper shell (1), a concentration sensor (17) is arranged on the upper portion of the right side of the upper shell (1), an exhaust pipe (15) is arranged on the lower portion of the right side of the upper shell (1), one end of the exhaust pipe (15) is connected with an air inlet of an exhaust fan (30), an air outlet of the exhaust fan (30) is connected with an external pipeline, and a first electromagnetic; go up casing (1) left part cavity inboard and be equipped with filter (26), it is equipped with HEPA filter screen (19) and defroster (18) from a left side to the right side in proper order to go up casing (1) right part cavity inboard, filter (26), HEPA filter screen (19) and defroster (18) upper end all pass casing (1) and are equipped with connecting plate (10), connecting plate (10) upper end longitudinal symmetry is equipped with handle (9), is located last casing (1) upper end of connecting plate (10) left and right sides all is equipped with fixed establishment (25), mutual butt between fixed establishment (25) and connecting plate (10).

2. The biogas safety purification apparatus according to claim 1, wherein: and a second landslide is arranged at the lower end of the middle chamber in the middle of the inner side of the upper shell (1).

3. The biogas safety purification apparatus according to claim 1, wherein: the stirring mechanism (6) comprises a cover body (608), a first stirring shaft (603) and a second stirring shaft (605), the cover body (608) is arranged at the lower part of the right side wall of the second vertical plate (14), a motor cover (601) is arranged in the middle of the right side wall of the cover body (608), a motor (602) is arranged in the motor cover (601), a motor shaft of the motor (602) extends to the inner side of the cover body (608) and is sleeved with a driving gear (607), the second stirring shaft (605) and the first stirring shaft (603) are respectively connected with the upper part and the lower part of the inner wall of the cover body (608) through bearings, the first stirring shaft (603) positioned at the inner side of the cover body (608) is sleeved with a first driven gear (604), the second stirring shaft (605) positioned at the inner side of the cover body (608) is sleeved with a second driven gear (606), and the driving gear (607) and, the driving gear (607) and the second driven gear (606) are meshed with each other, the left end parts of the first stirring shaft (603) and the second stirring shaft (605) penetrate through the second vertical plate (14) and extend into the middle cavity of the upper shell (1), the upper side wall and the lower side wall of the first stirring shaft (603) and the second stirring shaft (605) are provided with stirring blades in a staggered manner, and the stirring blades of the first stirring shaft (603) and the stirring blades of the second stirring shaft (605) are mutually staggered.

4. The biogas safety purification apparatus according to claim 3, wherein: the first driven gear (604) and the second driven gear (606) are all the same size.

5. The biogas safety purification apparatus according to claim 1, wherein: buffer base (8) include foundation (801), drain pan (802), spring (803) and limiting plate (804), foundation (801) set up under around casing (11) lower extreme, foundation (801) lower extreme is equipped with limiting plate (804), foundation (801) lower part lateral wall cover is equipped with drain pan (802), be equipped with spring (803) between inboard lower extreme of drain pan (802) and limiting plate (804).

6. The biogas safety purification apparatus according to claim 1, wherein: the fixing mechanism (25) comprises a bracket (2503), a rotating shaft (2504), a supporting plate (2507) and a fixing sleeve (2506), the brackets (2503) are arranged at the upper ends of the upper shells (1) at the left and right sides of the connecting plate (10), a rotating shaft (2504) is arranged between the front bracket and the rear bracket (2503), supporting plates (2507) are arranged on the rear side walls of the rear brackets (2503), a micro motor (2505) is arranged at the upper end of the supporting plate (2507), a motor shaft of the micro motor (2505) passes through the rear bracket (2503) and is connected with one end of the rotating shaft (2504) through a coupler, a plurality of rotating plates (2502) are sleeved in the middle of the side wall of the rotating shaft (2504) at equal intervals, the lower end of the rotating plate (2502) is provided with a supporting block (2501), the supporting block (2501) and the connecting plate (10) are mutually abutted, and the side walls of the rotating shafts (2504) on the front side and the rear side of the rotating plate (2502) are respectively provided with a fixing sleeve (2506).

7. The biogas safety purification apparatus according to claim 1, wherein: the model of the induced draft fan (2) is y6-41-4.5c, the model of the motor (602) is YD160L-4/2, the models of the first electromagnetic valve (16) and the second electromagnetic valve (28) are ZCB-1/200Hz, the model of the micro motor (2505) is M590-502, the model of the concentration sensor (17) is JXBS-5001-H2S, the model of the flow air pump (23) is XGB-550, the model of the liquid level sensor (29) is JY-P260, and the model of the exhaust fan (30) is SF 3-2.