Biogas desulfurization filter

Abstract

The utility model provides a biogas desulfurization filter and relates to the technical field of biogas processing. The biogas desulfurization filter comprises a shell, a pretreatment chamber is arranged in the shell, a desulfurization reaction chamber is arranged at the upper end of the pretreatment chamber, a purification gas chamber is arranged at the upper end of the desulfurization reaction chamber, a sealing plate is arranged at the upper end of the purification gas chamber, and sleeves are connected into the pretreatment chamber, the desulfurization reaction chamber and the purification gas chamber. And a rotating shaft rod is rotationally connected in the sleeve. According to the biogas desulfurization filter, the rotating shaft rod is arranged, the driving motor drives the rotating shaft rod to rotate, the first stirring frame rotates to stir a coarse particle adsorbent in the pretreatment chamber, the second stirring frame rotates to stir a desulfurizing agent in the desulfurization reaction chamber, the desulfurizing agent can make full contact with biogas, and the desulfurization efficiency is improved; the desulfurization agent can be uniformly distributed, the service life is prolonged, and the utilization rate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a marsh gas filter, concretely is a marsh gas desulfurization filter, belongs to the marsh gas processing technical field. BACKGROUND

[0002] As a kind of renewable energy, marsh gas has extensive application prospect in energy field, however, marsh gas usually contains hydrogen sulfide and other impurities, hydrogen sulfide not only has corrosive, and combustion will produce sulfur dioxide, cause pollution to environment and affect the service life of equipment, for this, it needs to carry out desulfurization treatment to marsh gas.

[0003] However, the desulfurizer for reacting with hydrogen sulfide of the traditional marsh gas desulfurization filter is usually placed statically in the filter, and the desulfurizer is stationary for a long time, which may cause caking and precipitation, thereby possibly causing blockage of air permeation hole, affecting desulfurization efficiency, and because the desulfurizer is stationary, the desulfurizer in local area may be exhausted prematurely, so that the whole desulfurizer may need to be replaced as a whole due to local failure before the whole desulfurizer fully plays a role, which increases operating cost and reduces the utilization rate of desulfurizer.

[0004] Therefore, we provide a marsh gas desulfurization filter to solve the above problems. INVENTION CONTENTS

[0005] To solve the above problems, the utility model provides a kind of marsh gas desulfurization filter to solve the above problems, and the specific technical scheme is:

[0006] A kind of marsh gas desulfurization filter, including shell, pre-treatment chamber is arranged in the shell, desulfurization reaction chamber is arranged at the upper end of the pre-treatment chamber, purification gas chamber is arranged at the upper end of the desulfurization reaction chamber, sealing plate is arranged at the upper end of the purification gas chamber, sleeve pipe is connected in the pre-treatment chamber, desulfurization reaction chamber, purification gas chamber, rotating shaft rod is rotatably connected in the sleeve pipe, first stirring frame and second stirring frame are connected to the outer end of the rotating shaft rod, sealing cover is arranged at the upper end of the shell, and drive motor is connected to the upper end of the sealing cover.

[0007] Preferably, the shell is made of corrosion-resistant stainless steel material, a flow divider is connected in the shell, and an air permeation hole is formed in the flow divider, which is evenly formed in the flow divider and is conical, with a large opening at the lower end.

[0008] Preferably, a square groove is formed in the flow divider, the pre-treatment chamber is located at the upper end of the flow divider, a square rod is connected to the lower end of the pre-treatment chamber, and the square rod is inserted into the square groove.

[0009] Preferably, the pre-treatment chamber is provided with a plurality of layers of wire mesh and coarse particle adsorbent, the desulfurization reaction chamber is filled with a special desulfurization agent, and the purified gas chamber is provided with a fine filter layer composed of a plurality of layers of fine and dense fiber material.

[0010] Preferably, the bottom plate of the pre-treatment chamber, the desulfurization reaction chamber and the purified gas chamber is provided with a gas permeable hole, and the outer end of the sealing plate is provided with a sealing ring connected with the inner wall of the shell.

[0011] Preferably, the first stirring frame is located in the pre-treatment chamber, the second stirring frame is located in the desulfurization reaction chamber, the upper end of the rotating shaft rod is provided with a connecting groove, and the driving end of the driving motor is connected with a connecting head inserted into the connecting groove.

[0012] Preferably, the shell side end is connected with an air inlet pipe located below the flow divider, and the shell side end is connected with an exhaust pipe located between the purified gas chamber and the sealing plate.

[0013] Preferably, the lower end of the shell is connected with a waste discharge pipe, the lower end of the shell is connected with a supporting leg, and the sealing plate and the sealing cover are both connected with a hook.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、The biogas desulfurization filter is provided with a rotating shaft rod, a first stirring frame and a second stirring frame, and the driving motor drives the rotating shaft rod to rotate, which drives the first stirring frame and the second stirring frame to rotate, the first stirring frame rotates to stir the coarse particle adsorbent in the pre-treatment chamber, and the second stirring frame rotates to stir the desulfurization agent in the desulfurization reaction chamber, so that the desulfurization agent can fully contact with the biogas, the reaction area is increased, the desulfurization efficiency is improved, the stirring can prevent the desulfurization agent from caking or precipitating, avoids the blockage of the gas permeable hole, ensures the smooth progress of the desulfurization process, at the same time, the stirring can make the desulfurization agent uniformly distributed, avoids the local overuse, prolongs the overall service life of the desulfurization agent, and improves the utilization rate of the desulfurization agent.

[0016] 2、The biogas desulfurization filter passes through setting up pretreatment chamber, desulfurization reaction chamber, purification gas chamber, biogas passes through air inlet pipe and enters the shell, then passes through pretreatment chamber, desulfurization reaction chamber, purification gas chamber in proper order, and pretreatment chamber can intercept larger particle impurities in biogas, such as dust, solid particles and the like, coarse particle adsorbent can preliminarily adsorb a part of hydrogen sulfide and other peculiar smell substances, and the desulfurizer in desulfurization reaction chamber can produce chemical reaction with hydrogen sulfide in biogas, thereby achieving the purpose of desulfurization, and purification gas chamber can further filter out possible residual small particles and desulfurization agent dust in biogas, so that the device can effectively remove hydrogen sulfide in biogas through pretreatment, desulfurization reaction and fine filtering multiple procedures, and greatly improves the quality of biogas. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the utility model;

[0019] Figure 3 It is the square rod structure schematic diagram of the utility model;

[0020] Figure 4 It is the split flow plate cross section structure schematic diagram of the utility model;

[0021] Figure 5 It is the cross section structure schematic diagram of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, shell;101, air inlet pipe;102, exhaust pipe;103, waste pipe;104, support foot;2, pretreatment chamber;3, desulfurization reaction chamber;4, purification gas chamber;5, sealing plate;6, sleeve;7, rotating shaft rod;8, first stirring frame;9, second stirring frame;10, sealing cover;11, driving motor;12, split flow plate;13, square groove;14, square rod;15, connecting groove;16, connecting head;17, hook. DETAILED DESCRIPTION

[0023] The utility model will be further described in connection with the drawings.

[0024] Please refer to Figures 1-5 , including shell 1, shell 1 adopts corrosion -resistant stainless steel material, to this guarantee the service life of device, shell 1 is connected in split flow plate 12, and the air hole is set in split flow plate 12, the air hole is evenly set in split flow plate 12, and it is conical, the big mouth is at the lower end, and split flow plate 12 is used to evenly scatter the entering biogas, and the side end of shell 1 is connected with air inlet pipe 101, air inlet pipe 101 is located at the lower end of split flow plate 12, and the biogas enters shell 1 through air inlet pipe 101, and then is evenly scattered through split flow plate 12.

[0025] The pre-treatment chamber 2 is arranged in the shell 1, the square slot 13 is arranged in the shunt plate 12, the pre-treatment chamber 2 is located at the upper end of the shunt plate 12, and the square rod 14 is connected to the lower end of the pre-treatment chamber 2 and is inserted into the square slot 13, so that the pre-treatment chamber 2 can be supported and constrained, and rotation of the pre-treatment chamber 2 can be avoided.

[0026] The pre-treatment chamber 2 is arranged in the shell 1, the square slot 13 is arranged in the shunt plate 12, the pre-treatment chamber 2 is located at the upper end of the shunt plate 12, and the square rod 14 is connected to the lower end of the pre-treatment chamber 2 and is inserted into the square slot 13, so that the pre-treatment chamber 2 can be supported and constrained, and rotation of the pre-treatment chamber 2 can be avoided.

[0027] The pre-treatment chamber 2 is arranged in the shell 1, the square slot 13 is arranged in the shunt plate 12, the pre-treatment chamber 2 is located at the upper end of the shunt plate 12, and the square rod 14 is connected to the lower end of the pre-treatment chamber 2 and is inserted into the square slot 13, so that the pre-treatment chamber 2 can be supported and constrained, and rotation of the pre-treatment chamber 2 can be avoided.

[0028] The sleeve 6 is connected in the pretreatment chamber 2, the desulfurization reaction chamber 3 and the purified gas chamber 4, the sleeve 6 is rotatably connected with the rotating shaft 7, the sleeve 6 is used for ensuring that the rotating shaft 7 is not interfered when rotating, the rotating shaft 7 is rotatably connected in the sealing plate 5, the first stirring frame 8 and the second stirring frame 9 are connected with the outer end of the rotating shaft 7, the sealing cover 10 is arranged on the upper end of the shell 1, the driving motor 11 is connected with the upper end of the sealing cover 10, the first stirring frame 8 is located in the pretreatment chamber 2, the second stirring frame 9 is located in the desulfurization reaction chamber 3, when the rotating shaft 7 rotates, the first stirring frame 8 and the second stirring frame 9 are driven to rotate, the first stirring frame 8 rotates to stir the coarse particle adsorbent in the pretreatment chamber 2, and the second stirring frame 9 rotates to stir the desulfurizer in the desulfurization reaction chamber 3.

[0029] The shell 1 is connected with the waste discharge pipe 103 at the lower end, the valve is arranged in the waste discharge pipe 103, the shell 1 is connected with the supporting leg 104 at the lower end, the supporting leg 104 is used for supporting the fixing device, the connecting groove 15 is formed in the upper end of the rotating shaft 7, the connecting head 16 is connected with the driving end of the driving motor 11, the connecting head 16 is inserted in the connecting groove 15, the driving motor 11 is started, and the rotating shaft 7 is driven to rotate through the connecting head 16, the hooks 17 are connected with the upper end of the sealing plate 5 and the sealing cover 10, the hooks 17 are used for being connected with the carrying tool, when it is necessary to replace and clean the pretreatment chamber 2, the desulfurization reaction chamber 3 and the purified gas chamber 4, the crane is connected with the hooks 17 on the upper end of the sealing cover 10, so that the sealing cover 10 and the driving motor 11 can be removed from the shell 1, then the crane is connected with the hooks 17 on the sealing plate 5, so that the sealing plate 5, the pretreatment chamber 2, the desulfurization reaction chamber 3 and the purified gas chamber 4 can be directly lifted out of the shell 1, so that the substances in the pretreatment chamber 2, the desulfurization reaction chamber 3 and the purified gas chamber 4 can be conveniently cleaned and replaced, and the inside of the shell 1 can be conveniently cleaned.

[0030] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall into the protection scope of the claims of the utility model.

Claims

1. A biogas desulfurization filter, comprising a housing (1), characterized in that: The outer shell (1) is provided with a pretreatment chamber (2), the upper end of the pretreatment chamber (2) is provided with a desulfurization reaction chamber (3), the upper end of the desulfurization reaction chamber (3) is provided with a purification gas chamber (4), the upper end of the purification gas chamber (4) is provided with a sealing plate (5), the pretreatment chamber (2), the desulfurization reaction chamber (3) and the purification gas chamber (4) are all connected with a sleeve (6), the sleeve (6) is rotatably connected with a rotating shaft (7), the outer end of the rotating shaft (7) is connected with a first stirring rack (8) and a second stirring rack (9), the upper end of the outer shell (1) is provided with a sealing cover (10), the upper end of the sealing cover (10) is connected with a drive motor (11).

2. The biogas desulfurization filter according to claim 1, characterized in that: The outer shell (1) is made of corrosion-resistant stainless steel. A diversion plate (12) is connected inside the outer shell (1). The diversion plate (12) has ventilation holes. The ventilation holes are evenly distributed inside the diversion plate (12) and are conical with a large opening at the bottom.

3. A biogas desulfurization filter according to claim 2, characterized in that: A square groove (13) is provided in the flow divider (12). The pretreatment chamber (2) is located at the upper end of the flow divider (12). A square rod (14) is connected to the lower end of the pretreatment chamber (2). The square rod (14) is inserted into the square groove (13).

4. A biogas desulfurization filter according to claim 1, characterized in that: The pretreatment chamber (2) is equipped with multiple layers of metal wire mesh and coarse particle adsorbent. The desulfurization reaction chamber (3) is filled with a special desulfurizing agent. The purified gas chamber (4) is equipped with a fine filter layer, which is composed of multiple layers of fine fiber material.

5. A biogas desulfurization filter according to claim 1, characterized in that: The bottom plates of the pretreatment chamber (2), desulfurization reaction chamber (3), and purified gas chamber (4) are all provided with ventilation holes. A sealing ring is provided at the outer end of the sealing plate (5), which is connected to the inner wall of the outer shell (1). The rotating shaft (7) is rotatably connected inside the sealing plate (5).

6. A biogas desulfurization filter according to claim 1, characterized in that: The first stirring rack (8) is located in the pretreatment chamber (2), the second stirring rack (9) is located in the desulfurization reaction chamber (3), the upper end of the rotating shaft (7) is provided with a connecting groove (15), the driving end of the drive motor (11) is connected with a connector (16), and the connector (16) is inserted into the connecting groove (15).

7. A biogas desulfurization filter according to claim 2, characterized in that: An air inlet pipe (101) is connected to the side end of the outer shell (1), and the air inlet pipe (101) is located at the lower end of the diverter plate (12). An exhaust pipe (102) is connected to the side end of the outer shell (1), and the exhaust pipe (102) is located between the purified air chamber (4) and the sealing plate (5).

8. A biogas desulfurization filter according to claim 1, characterized in that: The lower end of the outer shell (1) is connected to a waste discharge pipe (103), the lower end of the outer shell (1) is connected to a support foot (104), and the upper ends of the sealing plate (5) and the sealing cover (10) are both connected to hooks (17).

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