CN209836114U

CN209836114U - Combined methane desulfurizing device

Info

Publication number: CN209836114U
Application number: CN201920747089.6U
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: 2019-12-24
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a modular marsh gas desulphurization unit, including bottom plate, casing, last connecting pipe and lower connecting pipe, casing lateral wall lower part cover is equipped with solid fixed ring, gu the fixed ring lower extreme is equipped with the support ring, the support ring lower extreme is cyclic annular equidistant buffer gear that is equipped with, the buffer gear lower extreme is equipped with the bottom plate. The utility model has reasonable structural design, and is provided with the buffer mechanism, thereby being beneficial to buffering the whole device to a certain extent and prolonging the service life of the device; the left cavity and the right cavity are arranged, so that the left cavity and the right cavity can be used alternately for methane desulfurization, and the problems that the desulfurization of a single cavity fails, or the desulfurizer is used up, the filter screen exceeds the filtering load, the desulfurization needs to be stopped, and the desulfurizer and the filter screen are replaced to influence the methane desulfurization efficiency are avoided; a humidifying mechanism is arranged, so that the biogas contains certain humidity before desulfurization; the vent pipe is arranged, so that natural ventilation is facilitated, and the desulfurizer in the desulfurization layer is regenerated.

Description

Combined methane desulfurizing device

Technical Field

The utility model relates to a desulphurization unit field specifically is a modular marsh gas desulphurization unit.

Background

Biogas is used more and more widely as a new energy source, when the biogas is produced from an anaerobic fermentation device, particularly when the biogas is fermented at medium temperature or high temperature, a large amount of H2S is carried, SO2 generated after H2S is combusted is combined with water vapor in combustion products to form sulfurous acid, SO that the metal surface of equipment is corroded, the atmospheric environment is polluted, and the human health is influenced.

The existing desulfurization device has single working procedure, can not remove dust from the biogas, and can only use a single desulfurization device for desulfurization, if the desulfurization device fails or the desulfurizer is used up, the filter screen exceeds the filtering load, the desulfurization needs to be stopped, and the desulfurizer and the filter screen are replaced, so that the desulfurization efficiency of the biogas is affected; meanwhile, the methane can not be uniformly distributed on the inner side of the shell after entering the desulfurization device, so that the methane can not be uniformly contacted and reacted with the desulfurizer, and the desulfurization is uneven.

Therefore, the combined biogas desulfurization device is provided by the technical personnel in the field to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a modular marsh gas desulphurization unit 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 combined methane desulfurization device comprises a bottom plate, a shell, an upper connecting pipe and a lower connecting pipe, wherein a fixing ring is sleeved on the lower part of the side wall of the shell, a support ring is arranged at the lower end of the fixing ring, buffer mechanisms are arranged at the lower ends of the support ring in an annular shape at equal intervals, the bottom plate is arranged at the lower end of the buffer mechanisms, triangular supports are symmetrically arranged in the middle of the left side wall and the right side wall of the shell, humidification mechanisms are arranged at the upper ends of the triangular supports, pressure detectors are symmetrically arranged at the upper parts of the left side wall and the right side wall of the shell, vent pipes; a left cavity and a right cavity are symmetrically arranged in the shell in the left-right direction, upper ends of the left cavity and the right cavity are respectively provided with an upper supporting tube, the upper supporting tubes positioned on the left side and the right side are connected with each other through an upper connecting tube, the middle parts of the upper supporting tubes are respectively provided with a second electromagnetic valve, the upper ends of the upper connecting tubes are provided with air outlet tubes, the side walls of the air outlet tubes are provided with concentration sensors, and the middle parts of the air outlet tubes are provided with; the lower ends of the left chamber and the right chamber are respectively provided with a lower supporting tube, the lower supporting tubes positioned at the left side and the right side are mutually connected through a lower connecting tube, the middle parts of the lower supporting tubes are respectively provided with an air pump, the lower end of the lower connecting pipe is provided with an air inlet pipe, the upper ends of the lower supporting pipes extend to the inner side of the corresponding chamber and are provided with air hoods, the upper end of the gas hood is provided with gas spraying pipes at equal intervals in an annular shape, the upper parts and the lower parts of the inner walls of the left chamber and the right chamber are provided with fixing frames, the utility model discloses a humidification mechanism, including fixed frame, support net, desulfurization layer, first material changing mouth, second material changing mouth, humidification mechanism, filter layer, first material changing mouth, upper portion, desulfurization layer, second material changing mouth, first material changing mouth, second material changing mouth.

As a further aspect of the present invention: buffer gear includes supporting shoe, bottom suspension dagger and support sleeve, it is cyclic annular equidistant setting around the support ring lower extreme to go up the supporting shoe, the bottom suspension dagger is cyclic annular equidistant setting around the bottom plate upper end, the position between bottom suspension dagger and the last supporting shoe corresponds each other, bottom suspension dagger upper end middle part all is equipped with support sleeve, support sleeve upper end middle part cover is equipped with the support column, the upper end of support column is connected the supporting shoe, the lower extreme of support column is equipped with the stopper, sliding connection between stopper and the support sleeve inside wall.

As a further aspect of the present invention: humidification mechanism includes water tank, outlet pipe, shunt tubes and water pump, the water tank all sets up in the tripod upper end, water tank upper end middle part is equipped with the outlet pipe, go out the water inlet of water piping connection water pump, the one end of shunt tubes is connected to the delivery port of water pump, the other end of shunt tubes extends to and corresponds the cavity inner wall, crisscross equidistant a plurality of atomizing nozzle that are provided with around the shunt tubes lower part lateral wall, be located the outside the shunt tubes middle part all is equipped with the third solenoid valve, the water tank upper end outside all is equipped with the water inlet, the water inlet tip is equipped.

As a further aspect of the present invention: the end parts of the first material changing port and the second material changing port are respectively provided with a cover body.

As a further aspect of the present invention: the filter layer is an activated carbon adsorption layer, and the desulfurization layer is an iron oxide desulfurizer.

As a further aspect of the present invention: the pressure detector is AE-P2, the water pump is TL-A02/4, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are ZCB-1/200Hz, the concentration sensor is JXBS-5001-H2S, and the air suction pump is HK-28.

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 buffer mechanism, thereby being beneficial to buffering the whole device to a certain extent and prolonging the service life of the device; the left cavity and the right cavity are arranged, so that the left cavity and the right cavity can be used alternately for methane desulfurization, and the problems that the desulfurization of a single cavity fails, or the desulfurizer is used up, the filter screen exceeds the filtering load, the desulfurization needs to be stopped, and the desulfurizer and the filter screen are replaced to influence the methane desulfurization efficiency are avoided; a humidifying mechanism is arranged, so that the biogas contains certain humidity before desulfurization; the vent pipe is arranged, so that natural ventilation is facilitated, and the desulfurizer in the desulfurization layer is regenerated.

Drawings

Fig. 1 is a schematic structural diagram of a combined biogas desulfurization device.

Fig. 2 is a front view of the combined biogas desulfurization apparatus.

Fig. 3 is a schematic structural diagram of a combined biogas desulfurization device A.

Fig. 4 is a schematic top view of a fixed frame of the combined biogas desulfurization device.

Fig. 5 is a schematic top view of a gas hood of the combined biogas desulfurization device.

In the figure: the device comprises a shell 1, a pressure detector 2, a right chamber 3, a tripod 4, a left chamber 5, a support net 6, a first material changing port 7, a filter layer 8, an air injection pipe 9, a fixing ring 10, a support ring 11, an air hood 12, a buffer mechanism 13, a lower support block 1301, a support sleeve 1302, a buffer spring 1303, a limit block 1304, a support pillar 1305, an upper support block 1306, a bottom plate 14, a lower support pipe 15, an air inlet pipe 16, a lower connecting pipe 17, an air suction pump 18, a fixing frame 19, a humidifying mechanism 20, a water tank 2001, an water outlet pipe 2002, a water pump 2003, a third electromagnetic valve 2004, a shunt pipe 2005, a water inlet 2006, an atomizing nozzle 2007, a second material changing port 21, a first electromagnetic valve 22, a desulfurization layer 23, a vent pipe 24, an upper support pipe 25, an air suction pump 26, a concentration sensor.

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 5, in the embodiment of the present invention, a combined biogas desulfurization device includes a bottom plate 14, a housing 1, an upper connection pipe 29 and a lower connection pipe 17, a fixing ring 10 is sleeved on a lower portion of a sidewall of the housing 1, a support ring 11 is disposed at a lower end of the fixing ring 10, a buffer mechanism 13 is disposed at a lower end of the support ring 11 at equal intervals in an annular shape, the bottom plate 14 is disposed at a lower end of the buffer mechanism 13, triangular supports 4 are symmetrically disposed at middle portions of left and right sidewalls of the housing 1, humidifying mechanisms 20 are disposed at upper ends of the triangular supports 4, pressure detectors 2 are symmetrically disposed at upper portions of left and right sidewalls of the housing 1, vent pipes 24 are symmetrically disposed at upper portions of left and right sidewalls of the housing; a left chamber 5 and a right chamber 3 are symmetrically arranged in the shell 1 in a left-right mode, upper ends of the left chamber 5 and the right chamber 3 are respectively provided with an upper supporting tube 25, the upper supporting tubes 25 positioned on the left side and the right side are connected with each other through an upper connecting tube 29, the middle part of each upper supporting tube 25 is provided with a second electromagnetic valve 30, the upper end of each upper connecting tube 29 is provided with an air outlet tube 28, the side wall of each air outlet tube 28 is provided with a concentration sensor 27, and the middle part of each air outlet tube 28 is provided with an; the lower ends of the left chamber 5 and the right chamber 3 are both provided with lower supporting tubes 15, the lower supporting tubes 15 are positioned at the left side and the right side and are connected with each other through lower connecting tubes 17, the middle parts of the lower supporting tubes 15 are both provided with air pumps 18, the lower ends of the lower connecting tubes 17 are provided with air inlet tubes 16, the upper ends of the lower supporting tubes 15 extend to the inner sides of the chambers at corresponding positions and are provided with air hoods 12, the upper ends of the air hoods 12 are provided with air injection tubes 9 at equal intervals in an annular shape, the upper parts and the lower parts of the inner walls of the left chamber 5 and the right chamber 3 are both provided with fixed frames 19, the middle parts of the fixed frames 19 are provided with supporting nets 6, the upper ends of the supporting nets 6 at the lower parts are provided with filter layers 8, the outer sides of the shells 1 at the positions of the filter layers 8 are both provided with first material changing, one end of the humidifying mechanism 20 extends to the inner side of the chamber at the corresponding position and is arranged between the desulfurizing layer 23 and the filtering layer 8.

The buffer mechanism 13 comprises an upper supporting block 1306, a lower supporting block 1301 and a supporting sleeve 1302, wherein the upper supporting block 1306 is arranged around the lower end of the supporting ring 11 at equal intervals in an annular mode, the lower supporting block 1301 is arranged around the upper end of the bottom plate 14 at equal intervals in an annular mode, the positions of the lower supporting block 1301 and the upper supporting block 1306 correspond to each other, the supporting sleeve 1302 is arranged in the middle of the upper end of the lower supporting block 1301, a supporting column 1305 is sleeved in the middle of the upper end of the supporting sleeve 1302, the upper end of the supporting column 1305 is connected with the upper supporting block 1306, a limiting block 1304 is arranged at the lower end of the supporting column 1305, and the limiting block 1304 is connected.

The humidifying mechanism 20 comprises a water tank 2001, a water outlet pipe 2002, a flow dividing pipe 2005 and a water pump 2003, wherein the water tank 2001 is arranged at the upper end of a tripod 4, the water outlet pipe 2002 is arranged in the middle of the upper end of the water tank 2001, the water outlet pipe 2002 is connected with a water inlet of the water pump 2003, a water outlet of the water pump 2003 is connected with one end of the flow dividing pipe 2005, the other end of the flow dividing pipe 2005 extends to the inner wall of a corresponding chamber, a plurality of atomizing nozzles 2007 are arranged on the side wall of the lower portion of the flow dividing pipe 2005 in a front-back staggered and equidistant mode, a third electromagnetic valve 2004 is arranged in the middle of the flow.

The end parts of the first material changing port 7 and the second material changing port 21 are both provided with cover bodies.

The filter layer 8 is an activated carbon adsorption layer, and the desulfurization layer 23 is an iron oxide desulfurizer.

The model of the pressure detector 2 is AE-P2, the model of the water pump 2003 is TL-A02/4, the models of the first electromagnetic valve 22, the second electromagnetic valve 30 and the third electromagnetic valve 2004 are ZCB-1/200Hz, the model of the concentration sensor 27 is JXBS-5001-H2S, and the model of the getter pump 26 is HK-28.

The utility model discloses a theory of operation is:

the utility model relates to a combined biogas desulfurization device, let in marsh gas from intake pipe 16, start the aspiration pump 18 of right position through external control ware, later introduce marsh gas and concentrate in the gas hood 12 inboard of right cavity 3 inside, evenly rise through jet-propelled pipe 9, through filter layer 8, filter layer 8 is the active carbon adsorption layer, adsorb the dust inside the marsh gas, later start water pump 2003 and third solenoid valve 2004 of humidification mechanism 20 through external control ware, spout the water in the inside of water tank 2001 through atomizing nozzle 2007, make marsh gas contain certain humidity; then, the biogas passes through a desulfurization layer 23, the desulfurization layer 23 contains a desulfurizer iron oxide, the iron oxide reacts with the biogas to perform desulfurization, then a second electromagnetic valve 30 and a suction pump 26 are started, the biogas is discharged through a gas outlet pipe 28, and the concentration of hydrogen sulfide in the biogas is detected through a concentration sensor 27 in the discharging process; when the pressure detector 2 on the side wall of the right chamber 3 exceeds a preset value, the left chamber 5 is used alternately, and after the methane is discharged, the right chamber 4 is naturally ventilated through the vent pipe 24 to regenerate the desulfurizer; when the regeneration effect is not good, the cover body is opened to replace the desulfurization layer from the second material changing port 21, the filter layer 8 is correspondingly replaced from the first material changing port 7, and the left chamber and the right chamber are alternately used, so that the biogas desulfurization efficiency is improved; the lower part of the outer side wall of the shell 1 is provided with a fixing ring 10 in a sleeved mode, the lower end of the fixing ring 10 is provided with a supporting ring 11, the lower end of the supporting ring 11 is provided with a buffering mechanism 13, certain buffering is favorably carried out on the whole device, and the service life of the device is prolonged.

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 modular marsh gas desulphurization unit, includes bottom plate (14), casing (1), goes up connecting pipe (29) and connecting pipe (17) down, its characterized in that: the lower part of the side wall of the shell (1) is sleeved with a fixing ring (10), the lower end of the fixing ring (10) is provided with a support ring (11), the lower end of the support ring (11) is provided with buffer mechanisms (13) in an annular shape at equal intervals, the lower end of the buffer mechanism (13) is provided with a bottom plate (14), the middle parts of the left side wall and the right side wall of the shell (1) are symmetrically provided with triangular supports (4), the upper ends of the triangular supports (4) are respectively provided with a humidifying mechanism (20), the upper parts of the left side wall and the right side wall of the shell (1) are symmetrically provided with pressure detectors (2), the upper parts of the left side wall and the right side wall of the shell (; a left chamber (5) and a right chamber (3) are arranged in the shell (1) in a bilateral symmetry mode, upper supporting tubes (25) are arranged at the upper ends of the left chamber (5) and the right chamber (3), the upper supporting tubes (25) located on the left side and the right side are connected with each other through upper connecting tubes (29), second electromagnetic valves (30) are arranged in the middle of the upper supporting tubes (25), air outlet tubes (28) are arranged at the upper ends of the upper connecting tubes (29), concentration sensors (27) are arranged on the side walls of the air outlet tubes (28), and air suction pumps (26) are arranged in the middle of the air outlet tubes (28); the lower ends of the left chamber (5) and the right chamber (3) are respectively provided with a lower supporting tube (15) and are positioned at the left side and the right side, the lower supporting tubes (15) are connected with each other through a lower connecting tube (17), the middle parts of the lower supporting tubes (15) are respectively provided with an air suction pump (18), the lower ends of the lower connecting tubes (17) are provided with an air inlet tube (16), the upper ends of the lower supporting tubes (15) are respectively extended to the inner sides of the chambers at corresponding positions and are provided with an air hood (12), the upper ends of the air hoods (12) are provided with air jet pipes (9) at equal intervals in an annular shape, the upper parts and the lower parts of the inner walls of the left chamber (5) and the right chamber (3) are respectively provided with a fixed frame (19), the middle part of the fixed frame (19) is provided with a supporting net (6), the upper end of the, and a desulfurization layer (23) is arranged at the upper end of the supporting net (6), a second material changing port (21) is arranged at the outer side of the shell (1) at the position of the desulfurization layer (23), and one end of the humidifying mechanism (20) extends to the inner side of the corresponding chamber and is arranged between the desulfurization layer (23) and the filter layer (8).

2. The combined biogas desulfurization unit according to claim 1, characterized in that: buffer gear (13) include support block (1306), lower support block (1301) and support sleeve pipe (1302), it sets up around support ring (11) lower extreme to go up support block (1306) and be cyclic annular equidistant, lower support block (1301) are cyclic annular equidistant setting around bottom plate (14) upper end, the position between lower support block (1301) and last support block (1306) corresponds each other, lower support block (1301) upper end middle part all is equipped with support sleeve pipe (1302), support sleeve pipe (1302) upper end middle part cover is equipped with support column (1305), support block (1306) is connected to the upper end of support column (1305), the lower extreme of support column (1305) is equipped with stopper (1304), sliding connection between stopper (1304) and support sleeve pipe (1302) inner wall.

3. The combined biogas desulfurization unit according to claim 1, characterized in that: the humidifying mechanism (20) comprises a water tank (2001), a water outlet pipe (2002), a shunt pipe (2005) and a water pump (2003), wherein the water tank (2001) is arranged at the upper end of a tripod (4), the water outlet pipe (2002) is arranged in the middle of the upper end of the water tank (2001), the water outlet pipe (2002) is connected with a water inlet of the water pump (2003), a water outlet of the water pump (2003) is connected with one end of the shunt pipe (2005), the other end of the shunt pipe (2005) extends to the inner wall of a corresponding chamber, a plurality of atomizing nozzles (2007) are arranged on the side wall of the lower portion of the shunt pipe (2005) in a staggered and equidistant mode in front and back mode, a third electromagnetic valve (2004) is arranged in the middle of the shunt pipe (2005) located outside, a water inlet.

4. The combined biogas desulfurization unit according to claim 1, characterized in that: the end parts of the first material changing port (7) and the second material changing port (21) are respectively provided with a cover body.

5. The combined biogas desulfurization unit according to claim 1, characterized in that: the filter layer (8) is an activated carbon adsorption layer, and the desulfurization layer (23) is an iron oxide desulfurizer.

6. The combined biogas desulfurization unit according to claim 1, characterized in that: the pressure detector (2) is AE-P2, the water pump (2003) is TL-A02/4, the first electromagnetic valve (22), the second electromagnetic valve (30) and the third electromagnetic valve (2004) are ZCB-1/200Hz, the concentration sensor (27) is JXBS-5001-H2S, and the air suction pump (26) is HK-28.