Biogas desulfurization equipment

Abstract

The utility model discloses biogas desulfurization equipment which comprises a box body, a biogas inlet pipe is arranged on the side wall of the box body in a penetrating mode and fixedly connected with the box body, a biogas exhaust pipe is arranged on the top of the box body in a penetrating mode and fixedly connected with the box body, an absorbent box is fixedly connected to the bottom of the box body, and the box body is communicated with the absorbent box through a through hole. The side wall of the absorbent box is fixedly connected with a first connecting pipe communicated with the absorbent box, the side wall of the box body is fixedly connected with a high-pressure water pump, the first connecting pipe is communicated with the input end of the high-pressure water pump, the input end of the high-pressure water pump is communicated with a second connecting pipe, and the second connecting pipe penetrates through the box body and is fixedly connected with the box body. And the tail end of the second connecting pipe is communicated with a rotary joint. According to the utility model, solid particle impurities in biogas can be filtered by arranging the filter screen, and the filter screen can be prevented from being blocked; the alkaline solution can be in sufficient contact with the biogas through rotation of the spray head, and the desulfurization effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to biogas desulfurization technical field especially relates to a biogas desulfurization equipment. BACKGROUND

[0002] As a new energy, biogas has been more and more widely used, and a large amount of harmful gases such as sulfur will be accompanied when biogas is produced. Sulfur will react with oxygen to produce sulfur dioxide in the combustion process. Sulfur dioxide will react with water vapor in the air to generate sulfurous acid, which will corrode the metal parts of the equipment and pollute the atmospheric environment, thereby affecting human health. Therefore, before using biogas, it is generally necessary to desulfurize and remove sulfur from biogas.

[0003] The existing biogas contains solid particle impurities. If the solid particle impurities cannot be removed, they will block the subsequent pipeline, affecting the flow of subsequent biogas. In addition, the existing desulfurization equipment uses alkaline solution to react with sulfides to achieve desulfurization. However, the alkaline solution does not fully contact with the sulfides in the biogas, and the desulfurization effect is not good. To solve the above problems, the present application proposes a biogas desulfurization equipment. SUMMARY

[0004] The utility model discloses a biogas desulfurization equipment which can filter solid particle impurities in biogas and avoid clogging of the filter screen. The rotation of the spray head can make the alkaline solution fully contact with the biogas, achieving good desulfurization effect.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] The utility model relates to a kind of biogas desulfurization equipment, including box, the sidewall of the box is equipped with with its fixed connection biogas inlet pipe, the top of the box is equipped with with its fixed connection biogas exhaust pipe, the bottom of the box is fixedly connected with absorbent tank, the box is communicated with absorbent tank by through-hole, the sidewall of the absorbent tank is fixedly connected with with its communication first connecting pipe, the sidewall of the box is fixedly connected with high-pressure water pump, the input end of the first connecting pipe is communicated with high-pressure water pump, the input end of high-pressure water pump is communicated with second connecting pipe, the second connecting pipe is through box and is fixedly connected, the end of the second connecting pipe is communicated with swivel joint, the swivel joint is communicated with hollow tube, the inner wall of the box is fixedly connected with filter screen, the hollow tube is through filter screen and is rotatably connected with it, the outer wall of the hollow tube is fixedly connected with brush plate for cleaning filter screen, the outer wall of the hollow tube is fixedly connected with two with its communication rotary hollow tube, the bottom of the rotary hollow tube is equipped with multiple equidistantly distributed spray head, the spray head is all towards the filter screen arrangement, rotating mechanism is equipped on the box, and the rotating mechanism drives the hollow tube rotation.

[0007] Preferably, the rotating mechanism includes a motor disposed on the sidewall of the box and fixedly connected thereto, the output end of the motor is fixedly connected with a transmission rod, the transmission rod is through the box and is rotatably connected thereto, the end of the transmission rod is fixedly connected with a driving bevel gear, the outer wall of the hollow tube is fixedly connected with a driven bevel gear, and the driving bevel gear is engaged with the driven bevel gear.

[0008] Preferably, the top of the brush plate is provided with a plurality of brushes, and the top of the plurality of brushes is arranged in abutment with the bottom of the filter screen.

[0009] Preferably, the outer wall of the hollow tube is rotatably connected with a limit plate, one end of the limit plate is arranged on the inner wall of the box and fixedly connected thereto.

[0010] Preferably, the outer wall of the box is fixedly connected with three support legs, and the bottom of the three support legs is provided with anti-skid lines.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The solid particle impurities in the biogas can be filtered and intercepted by the filter screen. The brush plate and the brushes are rotated by the hollow tube, which can clean the filter screen, avoid the filter screen from being blocked, ensure the smoothness of the filter screen, and avoid the subsequent pipeline from being blocked.

[0013] 2. The transmission rod, the driving bevel gear, the driven bevel gear, the hollow tube, the rotary hollow tube and the plurality of spray heads are rotated by the output end of the motor, which can make the alkaline solution spray uniformly and fully contact with the biogas, and the reaction effect is good.

[0014] In summary, by setting the filter screen, the solid particle impurities in the biogas can be filtered, and the filter screen can be prevented from being blocked; by rotating the spray head, the alkaline solution can be fully contacted with the biogas, and the desulfurization effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A structure diagram of the biogas desulfurization equipment is provided for the utility model;

[0016] Fig. 2 A sectional view of the biogas desulfurization equipment is provided for the utility model.

[0017] In the figure: 1 box, 2 biogas inlet pipe, 3 biogas exhaust pipe, 4 through hole, 5 absorbent tank, 6 first connecting pipe, 7 high-pressure water pump, 8 second connecting pipe, 9 rotary joint, 10 hollow pipe, 11 filter screen, 12 brush plate, 13 motor, 14 transmission rod, 15 driving bevel gear, 16 driven bevel gear, 17 rotating hollow pipe, 18 limit plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0019] Referring to Figs. 1-2 A biogas desulfurization equipment, comprising a box 1, the outer wall of the box 1 is fixedly connected with three supporting legs, the bottom of each of the three supporting legs is provided with anti-skid lines, the sidewall of the box 1 is provided with a biogas inlet pipe 2 fixedly connected therewith in a penetrating manner, and the top of the box 1 is provided with a biogas exhaust pipe 3 fixedly connected therewith in a penetrating manner.

[0020] It should be noted that: one end of the biogas inlet pipe 2 is connected with a biogas tank for conveying biogas; the biogas exhaust pipe 3 can discharge desulfurized biogas.

[0021] The bottom of the box body 1 is fixedly connected with an absorbent tank 5, the absorbent tank 5 is provided with an alkaline solution, such as sodium hydroxide, calcium hydroxide, sodium carbonate, ferrous sulfate solution, reacts with sulfur in biogas to obtain elemental sulfur, realizes desulfurization, this technology is prior art, the box body 1 is communicated with the absorbent tank 5 through the through hole 4, the side wall of the absorbent tank 5 is fixedly connected with the first connecting pipe 6 communicated therewith, the side wall of the box body 1 is fixedly connected with the high-pressure water pump 7, the first connecting pipe 6 is communicated with the output end of the high-pressure water pump 7, the input end of the high-pressure water pump 7 is communicated with the second connecting pipe 8, the second connecting pipe 8 penetrates through the box body 1 and is fixedly connected therewith, the end of the second connecting pipe 8 is communicated with the rotary joint 9, the rotary joint 9 is communicated with the hollow pipe 10, the outer wall of the hollow pipe 10 is rotatably connected with the limiting plate 18, one end of the limiting plate 18 is arranged on the inner wall of the box body 1 and is fixedly connected therewith, the inner wall of the box body 1 is fixedly connected with the filter screen 11, the solid particle impurities in the biogas can be filtered and intercepted, the hollow pipe 10 penetrates through the filter screen 11 and is rotatably connected therewith, the outer wall of the hollow pipe 10 is fixedly connected with the brush plate 12 for brushing the filter screen 11, a plurality of brushes are arranged on the top of the brush plate 12, and the top of the plurality of brushes is arranged in abutment with the bottom of the filter screen 11.

[0022] It should be noted that the filter screen 11 can be cleaned by the brush, so that the filter screen 11 is prevented from being blocked.

[0023] The outer wall of the hollow pipe 10 is fixedly connected with two rotary hollow pipes 17 communicated therewith, the bottom of the rotary hollow pipe 17 is provided with a plurality of spray heads distributed at equal intervals, and the spray heads are all arranged towards the filter screen 11.

[0024] It should be noted that the alkaline solution is sprayed out through the spray heads to contact the biogas to realize desulfurization.

[0025] A rotating mechanism is arranged on the box body 1, the rotating mechanism drives the hollow pipe 10 to rotate, and the rotating mechanism comprises a motor 13 arranged on the side wall of the box body 1 and fixedly connected therewith, the output end of the motor 13 is fixedly connected with a transmission rod 14, the transmission rod 14 penetrates through the box body 1 and is rotatably connected therewith, the end of the transmission rod 14 is fixedly connected with a driving bevel gear 15, the outer wall of the hollow pipe 10 is fixedly connected with a driven bevel gear 16, and the driving bevel gear 15 is engaged with the driven bevel gear 16.

[0026] It should be noted that the alkaline solution can be fully contacted with the biogas through the rotation of the plurality of spray heads, and the desulfurization effect is good.

[0027] The utility model discloses a work principle is, through marsh gas inlet pipe 2 injects marsh gas, and marsh gas is discharged in the box 1 and is moved up, can filter and intercept solid particle impurity in the marsh gas through filter screen 11, and the purified marsh gas continues to move up, at this moment, start high -pressure water pump 7, and the alkaline solution in the absorbent tank 5 can be sprayed out through first connecting pipe 6, second connecting pipe 8, hollow tube 10, rotary hollow tube 17, last through multiple spray heads and alkaline solution of reaction (hydrogen sulfide in the marsh gas and liquid produce oxidation reaction, generate elementary substance sulfur) to flowing marsh gas through high -pressure water pump 7, realized desulfurization effect, start motor 13, and the output of motor 13 drives transmission rod 14, driving bevel gear 15, driven bevel gear 16, hollow tube 10, rotary hollow tube 17 and multiple spray heads and rotate, can make alkaline solution spray even, and contact fully with marsh gas, and the reaction effect is good, through hollow tube 10 rotation drive brush plate 12 and brush and rotate, can clean filter screen 11, avoid filter screen 11 and block up, guarantee the unobstructed of filter screen 11, and the excess alkaline solution is concentrated in the bottom of the box 1, and through the through -hole 4 is collected in the absorbent tank 5 and utilizes again, saves raw materials.

[0028] The utility model discloses the cooperation of the rotation of filter screen and spray head, solved the solid particle impurity in the marsh gas in the prior art, if can not remove it, solid particle impurity will block up the subsequent pipeline, influenced the flow of subsequent marsh gas, and the desulfurization equipment in the prior art realizes desulfurization through alkaline solution and sulfide reaction, but alkaline solution and sulfide in the marsh gas contact is not full, and the desulfurization effect is not good.

Claims

1. A biogas desulphurization plant comprising a tank (1), characterized in that, The side wall of the box (1) is provided with a biogas inlet pipe (2) fixedly connected thereto, the top of the box (1) is provided with a biogas exhaust pipe (3) fixedly connected thereto, the bottom of the box (1) is fixedly connected with an absorbent tank (5), the box (1) and the absorbent tank (5) are communicated through a through hole (4), the side wall of the absorbent tank (5) is fixedly connected with a first connecting pipe (6) communicated therewith, the side wall of the box (1) is fixedly connected with a high-pressure water pump (7), the first connecting pipe (6) is communicated with the input end of the high-pressure water pump (7), the input end of the high-pressure water pump (7) is communicated with a second connecting pipe (8), the second connecting pipe (8) penetrates the box (1) and is fixedly connected thereto, the distal end of the second connecting pipe (8) is communicated with a rotary joint (9), the rotary joint (9) is communicated with a hollow pipe (10), the inner wall of the box (1) is fixedly connected with a filter screen (11), the hollow pipe (10) penetrates the filter screen (11) and is rotatably connected thereto, the outer wall of the hollow pipe (10) is fixedly connected with a brush plate (12) for brushing the filter screen (11), the outer wall of the hollow pipe (10) is fixedly connected with two rotary hollow pipes (17) communicated therewith, the bottom of the rotary hollow pipe (17) is provided with a plurality of spray heads distributed at equal intervals, the spray heads are all arranged towards the filter screen (11), a rotating mechanism is arranged on the box (1), and the rotating mechanism drives the hollow pipe (10) to rotate.

2. The biogas desulfurization device according to claim 1, characterized in that, The rotating mechanism comprises a motor (13) arranged on the side wall of the box (1) and fixedly connected thereto, the output end of the motor (13) is fixedly connected with a transmission rod (14), the transmission rod (14) penetrates the box (1) and is rotatably connected thereto, the distal end of the transmission rod (14) is fixedly connected with a driving bevel gear (15), the outer wall of the hollow pipe (10) is fixedly connected with a driven bevel gear (16), and the driving bevel gear (15) is meshed with the driven bevel gear (16).

3. The biogas desulfurization device according to claim 1, characterized in that, The top of the brush plate (12) is provided with a plurality of brushes, and the top of each of the plurality of brushes is arranged in abutment with the bottom of the filter screen (11).

4. The biogas desulfurization device according to claim 1, characterized in that, The outer wall of the hollow pipe (10) is rotatably connected with a limiting plate (18), and one end of the limiting plate (18) is arranged on the inner wall of the box (1) and fixedly connected thereto.

5. The biogas desulfurization device according to claim 1, characterized in that, The outer wall of the box (1) is fixedly connected with three supporting legs, and the bottom of each of the three supporting legs is provided with anti-skid lines.

Images