CN112239687B - Ultra-precision desulfurization tower and desulfurization method for efficiently removing organic sulfur - Google Patents

Abstract

A biogas biological desulfurization device comprises a desulfurization tower main body, wherein a first reaction chamber and a second reaction chamber are arranged in the desulfurization tower main body, the first reaction chamber and the second reaction chamber are separated by a partition plate, a gap is reserved between the bottom of the partition plate and the desulfurization tower main body, a first air inlet pipe and a first air flow uniform distribution plate are arranged at the lower part of the first reaction chamber, a one-way valve is arranged on the first air inlet pipe, a first temperature sensor, a first biological filler device and a first anti-sticking wall device are arranged at the upper part of the first air flow uniform distribution plate, the first biological filler device is fixedly connected with a first motor, a first spray device is arranged at the upper part of the first reaction chamber, a first air outlet and a first motor are arranged at the top of the first reaction chamber, the first spray device is connected with a first water pump through a pipeline, the first water pump is positioned at the bottom of the first auxiliary tower, the invention can effectively avoid the influence of elemental sulfur sticking to the wall and the packing layer on the desulfurization reaction.

Description

Ultra-precision desulfurization tower and desulfurization method for efficiently removing organic sulfur

Technical Field

The invention relates to a desulfurization device, in particular to a super-fine desulfurization tower for efficiently removing organic sulfur and a desulfurization method.

Background

The inside longitudinal arrangement of current biological desulfurizing tower has a plurality of layers of packing layer, and the packing layer carries out desulfurization purification to the marsh gas of process in the desulfurizing tower, forms impurity such as elemental sulfur in the packing layer among the purification process, uses the back for a long time, blocks up the packing layer easily, and then reduces the desulfurization effect of packing layer to marsh gas. The existing desulfurizing tower only can pass through the methane, and the packing layers cannot be cleaned one by one. If need wash, need take out all packing layers in proper order, complex operation, it is long consuming time, reduce cleaning efficiency, and then reduced the efficiency that marsh gas purified. Or the top of the desulfurizing tower is washed by flushing water, the water pressure is gradually reduced from top to bottom, and the washing effect of the packing layer at the bottom layer is limited;

for example, Chinese patent publication numbers are: CN201310420956.2 biological desulfurizing tower filler washing unit and washing method, this biological desulfurizing tower filler washing unit, the inside longitudinal arrangement of desulfurizing tower have a plurality of packing layer, including inlet tube, blow off pipe and perforation aeration dish, the inlet tube be located the desulfurizing tower below, the blow off pipe is located the desulfurizing tower bottom, every packing layer below all is provided with the perforation aeration dish, the perforation aeration dish link to each other with the air supply, the dense aeration hole that has in perforation aeration dish below to wash one by one the packing layer, but can not follow the adhesion that reduces elemental sulfur to packing layer and tower wall in the root, still can influence desulfurization efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide an ultra-precise desulfurization tower for efficiently removing organic sulfur, including a desulfurization tower main body, a first reaction chamber and a second reaction chamber are arranged inside the desulfurization tower main body, the first reaction chamber and the second reaction chamber are separated by a partition plate, a gap is left between the bottom of the partition plate and the desulfurization tower main body, a first air inlet pipe and a first air flow uniform distribution plate are arranged at the lower part of the first reaction chamber, a one-way valve is arranged on the first air inlet pipe, a first temperature sensor, a first biological filler device and a first anti-sticking wall device are arranged at the upper part of the first air flow uniform distribution plate, the first biological filler device is fixedly connected to a first motor, a first spray device is arranged at the upper part of the first reaction chamber, a first air outlet and a first motor are arranged at the top of the first reaction chamber, the first spray device is connected to a first water pump through a pipeline, the first water pump is positioned at the bottom of the first auxiliary tower, the lower part of the second reaction chamber is provided with a first liquid inlet pipe and a second air inlet pipe, the second air inlet pipe is provided with a one-way valve and a second air pump, the middle part of the second reaction chamber is provided with a second air flow uniform distribution plate, the second air flow uniform distribution plate is positioned at the upper part of the second air inlet pipe, the upper part of the second air flow uniform distribution plate is provided with a second temperature sensor, a first liquid level switch, a second biological filler device and a second anti-sticking wall device, the second biological filler device is fixedly connected with a second motor, and the top of the second reaction chamber is provided with a dehydration device, a second air outlet and a second motor;

the first gas outlet is connected with the first gas pump through a pipeline, the first gas pump is communicated with a third gas inlet pipe at the bottom of the first auxiliary tower through a pipeline, a one-way valve is arranged on the third gas inlet pipe, a first water pump, a third gas flow uniform distribution plate, a third gas outlet, a second liquid level switch and a second spraying device are arranged inside the first auxiliary tower, the second liquid level switch is connected with the first water pump, the third gas outlet is connected with a second gas pump through a pipeline, the second gas pump is communicated with a second gas inlet pipe through a pipeline, the second spraying device is communicated with the bottom of the second auxiliary tower through a heat exchange pipeline, the heat exchange pipeline is connected with a heat exchanger, a filter plate is arranged in the middle of the second auxiliary tower, a second liquid inlet pipe is arranged at the top of the second auxiliary tower, the second liquid inlet pipe is communicated with the bottom of the first reaction cavity, and an electromagnetic valve is arranged on the.

As a further improvement of the above scheme:

preferably, the first biological filler device and the second biological filler device have the same structure and different sizes, the first biological filler device comprises a rotating main shaft fixedly connected with a first motor output shaft, a supporting shaft in a spiral arrangement is arranged on the rotating main shaft, a plurality of mounting grooves are arranged on the supporting shaft, two coaxial first connecting rods are arranged at two ends of each mounting groove, each connecting rod extends into a first connecting sleeve of the outer ring of the biological filler ball, two coaxial second connecting rods are arranged on the inner side of the outer ring of the biological filler ball, and each second connecting rod extends into a second connecting sleeve of the inner ring of the biological filler ball.

Preferably, the first anti-sticking wall device and the second anti-sticking wall device have the same structure, the same size and different sizes, the first anti-sticking wall device comprises a base matched with the desulfurizing tower main body, a gas port at the upper part of the base is connected with the top of a first air cylinder through a pipeline, a gas port at the lower part of the base is connected with the bottom of the first air cylinder through a pipeline, a piston is arranged in the first air cylinder and is fixedly connected with an output shaft of the first air cylinder through a piston rod, extending edges are arranged on the base, a guide rod is arranged between the extending edges, a ball groove is arranged on the guide rod, a sliding sleeve is sleeved on the guide rod, a limit groove is arranged on the inner side of the sliding sleeve, balls are arranged between the limit groove and the ball groove, sealing sheets are arranged on two sides of the sliding sleeve, a first inner scraping sheet is fixed outside the sliding sleeve, the edge of the first inner scraping blade is respectively connected with the base, the extending edge and the elastic cover.

Preferably, dewatering device includes the holding box, holding box top and desulfurizing tower main part fixed connection, holding box bottom is equipped with the mesh, be equipped with the dehydration cotton in the holding box, dehydration cotton middle part is fixed with the hollow tube, second motor output shaft wears to establish the hollow tube, rotate through the bearing on the second motor output shaft and be connected with the dwang, the dwang with dehydration cotton parallel arrangement, it is connected with the compression roller to rotate on the dwang, the compression roller is impressed in the dehydration cotton.

The desulfurization method based on the device comprises the following steps:

a1, introducing desulfurization liquid into the desulfurization tower through a first liquid inlet pipe, wherein a part of the desulfurization liquid is in the desulfurization tower, and a part of the desulfurization liquid flows into a first auxiliary tower through a second auxiliary tower, the liquid level in the first auxiliary tower rises to trigger a second liquid level switch, the second liquid level switch starts a first water pump, the first water pump pumps the desulfurization liquid in the first auxiliary tower to a first spraying device for spraying until the desulfurization liquid overflows a biological packing device to trigger the first liquid level switch, and the first liquid level switch closes the first liquid inlet pipe;

a2 introducing biogas into the first reaction chamber through a first gas inlet pipe;

a3, starting a first motor at the top of a first reaction cavity, driving a first biological filler device to rotate, enabling an inner ring and an outer ring of a biological filler ball on the first biological filler device to rotate, and enabling the first biological filler device to desulfurize methane for the first time;

a4, starting the first anti-sticking wall device, starting the first cylinder, driving the output shaft of the first cylinder to reciprocate, driving the first piston in the first cylinder to reciprocate, and driving the first inner doctor blade to reciprocate by the first cylinder;

the A5 electromagnetic valve is in a normally open state, the desulfurization liquid at the bottom of the first reaction cavity flows into the second auxiliary tower, the desulfurization liquid at the bottom of the second auxiliary tower flows into the first auxiliary tower, the first water pump in the first auxiliary tower continuously pumps the desulfurization liquid in the first auxiliary tower to the first spraying device, and the first spraying device sprays the gas lifted to the upper part of the first reaction cavity to perform secondary desulfurization treatment on the methane;

a6, starting a first air pump, pumping the sprayed air to the bottom of the first auxiliary tower by the first air pump, uniformly distributing the air by a third air flow uniform distribution plate, reacting the air with the desulfurization solution in the first auxiliary tower, and performing third desulfurization treatment on the methane;

a7, starting a second air pump at the top of the first secondary tower, pumping air in the second secondary tower to the bottom of a second reaction chamber by the second air pump, uniformly distributing the air by a second air flow uniform distribution plate, then feeding the air into a second biological filler device, starting a second motor, rotating the second biological filler device, and simultaneously rotating the outer ring and the inner ring of a biological filler ball on the second biological filler device to desulfurize the biogas for the fourth time;

a8 starting the second anti-sticking wall device, starting the second cylinder, and driving the output shaft of the second cylinder to reciprocate to drive the second piston in the second cylinder to reciprocate, and driving the second inner scraper to reciprocate by the second cylinder;

when the A9 second motor rotates, can drive dwang and compression roller and rotate, dewater the cotton, gaseous process dehydration cotton gets into the air storage chamber after dehydration.

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

1. the ratio of the cross-sectional area of the first reaction cavity to the cross-sectional area of the second reaction cavity is 1: 2, the initial biogas enters the first reaction cavity and then rises more intensively, the generated bubbles are in more violent and rapid contact with the first biological filler device, proper desulfurization can be controlled, excessive reaction and generation of excessive elemental sulfur are avoided, and the elemental sulfur is prevented from being adhered to the first biological filler device;

2. when the first temperature sensor or the second temperature sensor senses that the temperature is too low or too high, the heat exchanger is started, and the heat exchanger controls the temperature of the desulfurization liquid passing through the heat exchange tube, so that the temperatures of the desulfurization liquid in the first reaction cavity and the second reaction cavity are changed, and the desulfurization reaction is facilitated;

3. the cross sectional area in the second reaction cavity is larger, after the gas is uniformly distributed by the second gas flow uniform distribution plate, the bubbles are dispersed more, and the contact between the bubbles and the second biological filler device is milder and more sufficient, so that the desulfurization reaction is more thorough;

4. when the first biological filler device rotates, the outer ring and the inner ring of the biological filler ball both rotate, the biological filler ball generates turbulent flow, and the turbulent flow can flush the biological filler ball, so that elemental sulfur can be prevented from being adhered to the biological filler ball;

5. when the output shaft of the first air cylinder extends out, the piston moves towards the bottom of the first air cylinder, the gas at the bottom of the first air cylinder enters the elastic cover at the lower part of the first inner scraper through the air passing port at the lower part of the base, the gas at the upper part of the first air cylinder absorbs the gas at the upper part of the first inner scraper through the air passing port at the upper part of the base, the elastic cover at the upper part of the first inner scraper is in a compressed state after exhausting the gas, the elastic cover at the lower part of the first inner scraper is in an expanded state, the first inner scraper moves upwards under the action of the air pressure at the lower part, the elastic cover in the compressed state is flattened by the first inner scraper, the flattened elastic cover expands under the action of the air pressure at the lower part, when the output shaft of the first air cylinder retracts, the piston moves towards the top of the first air cylinder, the gas at the top of the first air cylinder enters the elastic cover at the upper part of the first inner scraper through the air, the elastic cover at the lower part of the first inner scraper is in a compressed state after exhausting gas, the elastic cover at the upper part of the first inner scraper is in an expanded state after being filled with gas, the inner scraper moves downwards under the action of the pressure of the gas at the upper part, the elastic cover in the compressed state is flattened by the first inner scraper, and the flattened elastic cover expands under the action of the upper gas pressure;

6. when the output shaft of the second motor rotates, the rotating rod also rotates along with the rotating rod, the compression roller on the rotating rod is in contact with the dehydrated cotton, the dehydrated cotton is fixedly connected with the accommodating box, and the compression roller can effectively extrude the dehydrated cotton in the rotating process, so that the liquid in the dehydrated cotton can be effectively extruded out, and the dehydrated cotton can keep enough dehydrating capacity;

7. the base is provided with extending edges, a guide rod is arranged between the extending edges, the guide rod is provided with a ball groove, the guide rod is sleeved with a sliding sleeve, the inner side of the sliding sleeve is provided with a limiting groove, balls are arranged between the limiting groove and the ball groove, and the sliding connection between the first inner doctor blade and the guide rod is changed into rolling connection through the limiting groove, the ball groove and the balls, so that the moving efficiency of the first inner doctor blade can be improved;

8. elementary sulfur generated after the initial methane reacts with a packing layer in the first reaction cavity is expected to precipitate, the elementary sulfur and desulfurization liquid enter the second auxiliary tower through the second liquid inlet pipe, the desulfurization liquid enters the first auxiliary tower through a filter plate of the second auxiliary tower, the elementary sulfur can be effectively collected in the second auxiliary tower, the influence of the elementary sulfur on the reaction in the first reaction cavity and the second reaction cavity is avoided, and the desulfurization liquid after filtering can continue to carry out desulfurization treatment on the methane.

Drawings

Fig. 1 is an overall structural view of the present invention.

Fig. 2 is a structural view of the wall adhesion preventing means.

FIG. 3 is a schematic diagram of a dewatering device.

Fig. 4 is a structural diagram of a biological filler ball.

Fig. 5 is a structural view of the mounting recess.

Reference numerals: 1. a first motor; 2. a first air outlet; 3. a second motor; 4. a second air outlet; 5. a dewatering device; 6. desulfurizing liquid; 7. a second bio-filler device; 8. a second cylinder; 9. a second gas cylinder; 10. a second anti-sticking wall means; 11. a second reaction chamber; 12. a first liquid inlet pipe; 13. a second air pump; 14. a third air outlet; 15. a first sub-column; 16. a second spraying device; 17. a first air pump; 18. an electromagnetic valve; 19. a third airflow uniform distribution plate; 20. a third intake pipe; 21. a first water pump; 22. filtering the plate; 23. a heat exchanger; 24. a second sub-column; 25. a second liquid inlet pipe; 26. a first reaction chamber; 27. a first intake pipe; 28. a first airflow uniform distribution plate; 29. a first anti-sticking wall means; 30. a first gas cylinder; 31. a first cylinder; 32. a first spraying device; 33. an elastic cover; 34. an air passing port at the upper part of the base; 35. a base; 36. a guide bar; 37. an air passing port at the lower part of the base; 38. a first inner blade; 39. a compression roller; 40. rotating the rod; 41. installing a groove; 42. a first connecting rod; 43. a first connecting sleeve; 44. an outer ring of the biological packing ball; 45. an inner ball ring of the biological stuffing; 46. a second connecting sleeve.

Detailed Description

The invention is further described with reference to the following drawings and detailed description.

As shown in fig. 1-5, a super fine desulfurization tower of high-efficient desorption organic sulfur, includes the desulfurizing tower main part, inside first reaction chamber 26 and the second reaction chamber 11 of being equipped with of desulfurizing tower main part, separate through the baffle between first reaction chamber 26 and the second reaction chamber 11, the baffle bottom with leave the clearance between the desulfurizing tower main part, first reaction chamber 26 is in the connected state with second reaction chamber 11, and the cross sectional area ratio of the first reaction chamber 26 body and the cross sectional area of second reaction chamber 11 is 1: 2, the initial biogas enters the first reaction chamber 26 and then rises more intensively, so that the generated bubbles are in more violent and rapid contact with the first biological filler device, proper desulfurization can be controlled, excessive elemental sulfur is prevented from being generated due to excessive reaction, and the elemental sulfur is prevented from being adhered to the first biological filler device;

the first reaction chamber 26 is provided with a first air inlet pipe 27 and a first air flow uniform distribution plate 28 at the lower part, the first air inlet pipe 27 is provided with a one-way valve, the first air flow uniform distribution plate 28 is provided with a first temperature sensor, a first biological filler device and a first anti-sticking wall device 29 at the upper part, when the first temperature sensor senses that the temperature is too low or too high, the heat exchanger 23 is started, the heat exchanger 23 controls the temperature of the desulfurization solution 6 passing through the heat exchange pipe, so that the temperature of the desulfurization solution 6 in the first reaction chamber 26 is changed, the desulfurization reaction is facilitated, the first biological filler device is fixedly connected with a first motor 1, the first spray device 32 is arranged at the upper part of the first reaction chamber 26, the first air outlet 2 and the first motor 1 are arranged at the top part of the first reaction chamber 26, the first spray device 32 is connected with a first water pump 21 through a pipeline, the first water pump 21 is positioned at the bottom part of a first sub-tower 15, the lower part of the second reaction chamber 11 is provided with a first liquid inlet pipe 12 and a second air inlet pipe, the second air inlet pipe is provided with a one-way valve and a second air pump 13, a second airflow uniform distribution plate is arranged in the middle of the second reaction cavity 11 and is positioned at the upper part of the second air inlet pipe, the upper part of the second airflow uniform distribution plate is provided with a second temperature sensor, a first liquid level switch, a second biological filler device 7 and a second anti-sticking wall device 10, when the second temperature sensor senses that the temperature is too low or too high, the heat exchanger 23 is started, the heat exchanger 23 controls the temperature of the desulfurization solution 6 passing through the heat exchange tube, thereby changing the temperature of the desulfurization solution 6 in the first reaction chamber 26 and the second reaction chamber 11, facilitating the desulfurization reaction, the second biological filler device 7 is fixedly connected with the second motor 3, and the top of the second reaction chamber 11 is provided with a dehydration device 5, a second air outlet 4 and the second motor 3;

the first gas outlet 2 is connected with a first gas pump 17 through a pipeline, the first gas pump 17 is communicated with a third gas inlet pipe 20 at the bottom of a first secondary tower 15 through a pipeline, a one-way valve is arranged on the third gas inlet pipe 20, a first water pump 21, a third gas flow uniform distribution plate 19, a third gas outlet 14, a second liquid level switch and a second spraying device 16 are arranged inside the first secondary tower 15, the second liquid level switch is connected with the first water pump 21, the third gas outlet 14 is connected with a second gas pump 13 through a pipeline, the second gas pump 13 is communicated with a second gas inlet pipe through a pipeline, the second spraying device 16 is communicated with the bottom of a second secondary tower 24 through a heat exchange pipeline, the heat exchange pipeline is connected with a heat exchanger 23, a filter plate 22 is arranged in the middle of the second secondary tower 24, a second liquid inlet pipe 25 is arranged at the top of the second secondary tower 24, and the liquid inlet pipe 25 is communicated with the bottom of a first reaction cavity 26, the second liquid inlet pipe 25 is provided with the electromagnetic valve 18, the elementary sulfur generated after the initial methane reacts with the packing layer in the first reaction cavity 26 is precipitated, the elementary sulfur and the desulfurization solution 6 enter the second auxiliary tower 24 through the second liquid inlet pipe 25, the desulfurization solution 6 enters the first auxiliary tower 15 through the filter plate 22 of the second auxiliary tower 24, the elementary sulfur can be effectively collected in the second auxiliary tower 24, the influence of the elementary sulfur on the reaction in the first reaction cavity 26 and the second reaction cavity 11 is avoided, and the desulfurization solution 6 after being filtered can continue to perform desulfurization treatment on the methane.

The first biological filler device and the second biological filler device 7 have the same structure and different sizes, the first biological filler device comprises a rotating main shaft fixedly connected with an output shaft of the first motor 1, a support shaft which is spirally arranged is arranged on the rotating main shaft, a plurality of mounting grooves 41 are arranged on the support shaft, two coaxial first connecting rods 42 are arranged at two ends of each mounting groove 41, each connecting rod extends into a first connecting sleeve 43 of an outer biological filler ball ring 44, two coaxial second connecting rods are arranged on the inner side of the outer biological filler ball ring 44, each second connecting rod extends into a second connecting sleeve 46 of an inner biological filler ball ring 45, when the first biological filler device rotates, the outer biological filler ball ring 44 and the inner biological filler ball both rotate, the biological filler ball generates turbulence, and the turbulence can flush the biological filler ball, thereby being capable of avoiding the elemental sulfur from being adhered to the biological filler balls.

The first anti-sticking wall device 29 and the second anti-sticking wall device 10 are identical in structure, different in size, the first anti-sticking wall device 29 comprises a base 35 matched with the desulfurizing tower main body, an air passing port 34 in the upper portion of the base is connected with the top of a first air cylinder 30 through a pipeline, an air passing port 37 in the lower portion of the base is connected with the bottom of the first air cylinder 30 through a pipeline, a piston is arranged in the first air cylinder 30 and fixedly connected with an output shaft of a first air cylinder 31 through a piston rod, an extending edge is arranged on the base 35, a guide rod 36 is arranged between the extending edges, a ball groove is arranged on the guide rod 36, a sliding sleeve is sleeved on the guide rod 36, a limiting groove is arranged on the inner side of the sliding sleeve, a ball is arranged between the limiting groove and the ball groove, and the sliding connection between the first inner scraping blade 38 and the guide rod 36 is changed, thereby can improve the removal efficiency of first interior doctor-bar 38, the sliding sleeve both sides are equipped with the gasket, the sliding sleeve external fixation has first interior doctor-bar 38, it is fixed with elastic cover 33 to extend the edge, elastic cover 33 is waterproof material, first interior doctor-bar 38 border meets with base 35, extension edge and elastic cover 33 respectively, when the output shaft of first cylinder 31 stretches out, the piston moves to first cylinder 30 bottom, the gas of first cylinder 30 bottom gets into in the elastic cover 33 of first interior doctor-bar 38 lower part through the gas port 37 of base lower part, the gas on first cylinder 30 upper portion absorbs first interior doctor-bar 38 upper portion through gas port 34 of base upper portion, be in compression state after the elastic cover 33 exhaust gas on first interior doctor-bar 38 upper portion, the elastic cover 33 of first interior doctor-bar 38 lower part is in the inflation state, and first interior doctor-bar 38 upwards moves under the atmospheric pressure effect of lower part, the first inner scraper 38 smoothes the elastic cover 33 in a compressed state, the smoothed elastic cover 33 expands under the action of lower air pressure, when the output shaft of the first air cylinder 31 retracts, the piston moves towards the top of the first air cylinder 30, air at the top of the first air cylinder 30 enters the elastic cover 33 at the upper part of the first inner scraper 38 through the air vent 34 at the upper part of the base, air at the lower part of the first air cylinder 30 is sucked at the lower part of the first inner scraper 38 through the air vent 37 at the lower part of the base, the elastic cover 33 at the lower part of the first inner scraper 38 is in a compressed state after air is exhausted, the elastic cover 33 at the upper part of the first inner scraper 38 is in an expanded state after being filled with air, the inner scraper moves downwards under the action of the pressure of the upper air, the first inner scraper 38 smoothes the elastic cover 33 in the compressed state, the smoothes the elastic cover 33 after the smoothes under the action of the, the elemental sulfur can be effectively prevented from being adhered to the tower wall.

The dehydration device 5 comprises a containing box, the top of the containing box is fixedly connected with the desulfurizing tower main body, the bottom of the containing box is provided with meshes, the containing box is internally provided with dehydrated cotton, the middle part of the dehydrated cotton is fixed with a hollow pipe, the output shaft of the second motor 3 penetrates through the hollow pipe, the output shaft of the second motor 3 is rotatably connected with a rotating rod 40 through a bearing, the rotating rod 40 and the dehydrated cotton are arranged in parallel, the rotating rod 40 is connected with the compression roller 39 in a rotating way, the compression roller 39 is pressed into the dehydrated cotton, when the output shaft of the second motor 3 rotates, the rotating rod 40 also rotates, the compression roller 39 on the rotating rod 40 is contacted with the dehydrated cotton, the dehydrated cotton is fixedly connected with the containing box, the compression roller 39 can effectively extrude the dehydrated cotton in the rotating process, therefore, the liquid in the dehydrated cotton can be effectively extruded out, and the dehydrated cotton keeps enough dehydration capacity.

The desulfurization method based on the desulfurization device comprises the following steps:

a1, introducing a desulfurization solution 6 into the desulfurization tower through a first solution inlet pipe 12, wherein a part of the desulfurization solution 6 is in the desulfurization tower, and a part of the desulfurization solution flows into a first auxiliary tower 15 through a second auxiliary tower 24, the liquid level in the first auxiliary tower 15 rises to trigger a second liquid level switch, the second liquid level switch starts a first water pump 21, the first water pump 21 pumps the desulfurization solution 6 in the first auxiliary tower 15 to a first spraying device 32 and sprays the desulfurization solution until the desulfurization solution 6 overflows a biological filler device to trigger the first liquid level switch, and the first liquid level switch closes the first solution inlet pipe 12;

a2 introducing marsh gas into the first reaction cavity 26 through the first gas inlet pipe 27;

a3, starting a first motor 1 at the top of a first reaction chamber 26, wherein the first motor 1 drives a first biological filler device to rotate, the inner ring and the outer ring of a biological filler ball on the first biological filler device rotate, and the first biological filler device carries out first desulfurization treatment on methane;

a4, the first anti-sticking wall device 29 is started, the first cylinder 31 is started, the output shaft of the first cylinder 31 reciprocates to drive the first piston in the first cylinder 30 to reciprocate, and the first cylinder 30 drives the first inner scraper 38 to reciprocate;

the electromagnetic valve A5 is in a normally open state, the doctor solution 6 at the bottom of the first reaction chamber 26 flows into the second auxiliary tower 24, the doctor solution 6 at the bottom of the second auxiliary tower 24 flows into the first auxiliary tower 15, the first water pump 21 in the first auxiliary tower 15 continuously pumps the doctor solution 6 in the first auxiliary tower 15 to the first spray device 32, and the first spray device 32 sprays the gas lifted to the upper part of the first reaction chamber 26 to perform the second desulfurization treatment on the biogas;

a6, starting a first air pump 17, pumping the sprayed gas to the bottom of the first secondary tower 15 by the first air pump 17, uniformly distributing the gas by a third gas flow uniform distribution plate 19, reacting the gas with the desulfurization solution 6 in the first secondary tower 15, and performing third desulfurization treatment on the biogas;

a7 starts a second air pump 13 at the top of a first secondary tower 15, the second air pump 13 pumps air in a second secondary tower 24 to the bottom of a second reaction chamber 11, the air enters a second biological filler device 7 after being uniformly distributed by a second air flow uniform distribution plate, a second motor 3 is started, the second biological filler device 7 rotates, the outer ring and the inner ring of a biological filler ball on the second biological filler device 7 rotate simultaneously, and the biogas is subjected to fourth desulfurization treatment;

a8 starting the second anti-sticking wall device 10, starting the second cylinder 8, reciprocating the output shaft of the second cylinder 8 to drive the second piston in the second cylinder 9 to reciprocate, and driving the second inner scraper to reciprocate by the second cylinder 9;

when the A9 second motor 3 rotates, the rotating rod 40 and the compression roller 39 can be driven to rotate to dehydrate the dehydrated cotton, and the gas enters the gas storage chamber after the dehydrated cotton is dehydrated.

The working principle of the invention is as follows: introducing a desulfurization solution 6 into the desulfurization tower through a first liquid inlet pipe 12, wherein a part of the desulfurization solution 6 is in the desulfurization tower, and a part of the desulfurization solution flows into a first auxiliary tower 15 through a second auxiliary tower 24, the liquid level in the first auxiliary tower 15 rises to trigger a second liquid level switch, the second liquid level switch starts a first water pump 21, the first water pump 21 pumps the desulfurization solution 6 in the first auxiliary tower 15 to a first spraying device 32 to spray the desulfurization solution until the desulfurization solution 6 overflows a biological packing device to trigger the first liquid level switch, and the first liquid level switch closes the first liquid inlet pipe 12;

introducing biogas into the first reaction chamber 26 through the first air inlet pipe 27, uniformly distributing the biogas through the first air flow uniform distribution plate 28, allowing the uniformly distributed biogas to contact and react with the first biological filler device, starting the first motor 1 at the top of the first reaction chamber 26, driving the first biological filler device to rotate by the first motor 1, allowing the inner ring and the outer ring of a biological filler ball on the first biological filler device to rotate, performing first desulfurization treatment on the biogas by the first biological filler device, and when the first biological filler device rotates, allowing the outer ring 44 and the inner ring of the biological filler ball to rotate, allowing the biological filler ball to generate turbulence which can wash the biological filler ball, so that elemental sulfur can be prevented from adhering to the biological filler ball;

meanwhile, the first anti-sticking wall device 29 is started, the first cylinder 31 is started, the output shaft of the first cylinder 31 reciprocates to drive the first piston in the first cylinder 30 to reciprocate, the first cylinder 30 drives the first inner scraper 38 to reciprocate, when the output shaft of the first cylinder 31 extends out, the piston moves towards the bottom of the first cylinder 30, the gas at the bottom of the first cylinder 30 enters the elastic cover 33 at the lower part of the first inner scraper 38 through the air vent 37 at the lower part of the base, the gas at the upper part of the first cylinder 30 sucks the gas at the upper part of the first inner scraper 38 through the air vent 34 at the upper part of the base, the elastic cover 33 at the upper part of the first inner scraper 38 is in a compressed state after exhausting the gas, the elastic cover 33 at the lower part of the first inner scraper 38 is in an expanded state, the first inner scraper 38 moves upwards under the action of the air pressure at the lower part, and the first inner scraper 38 flattens the elastic cover 33, the flattened elastic cap 33 is expanded by the lower air pressure, and when the output shaft of the first cylinder 31 is retracted, the piston moves toward the top of the first cylinder 30, the gas at the top of the first air cylinder 30 enters the elastic cover 33 at the upper part of the first inner scraper 38 through the air vent 34 at the upper part of the base, the lower part of the first air cylinder 30 sucks the air at the lower part of the first inner scraper 38 through an air inlet 37 at the lower part of the base, the elastic cover 33 at the lower part of the first inner scraper 38 is in a compressed state after exhausting gas, the elastic cover 33 at the upper part of the first inner scraper 38 is in an expanded state after filling gas, the inner scraper moves downwards under the pressure of the upper gas, the first inner scraper 38 smoothes the elastic cover 33 in a compressed state, the smoothed elastic cover 33 expands under the action of the upper gas pressure, and the steps are repeated, so that elemental sulfur can be effectively prevented from being adhered to the tower wall;

the electromagnetic valve 18 is in a normally open state, the doctor solution 6 at the bottom of the first reaction chamber 26 flows into the second auxiliary tower 24, the doctor solution 6 at the bottom of the second auxiliary tower 24 flows into the first auxiliary tower 15, the first water pump 21 in the first auxiliary tower 15 continuously pumps the doctor solution 6 in the first auxiliary tower 15 to the first spraying device 32, the first spraying device 32 sprays the gas lifted to the upper part of the first reaction chamber 26, the biogas is desulfurized for the second time, the doctor solution 6 in the first reaction chamber 26 circularly moves downwards, the downward doctor solution 6 enters the second auxiliary tower 24 through the second liquid inlet pipe 25, so that elemental sulfur of the packing layer can be taken away, and the elemental sulfur is further prevented from being adhered to the first reaction chamber 26;

starting the first air pump 17, pumping the sprayed gas to the bottom of the first secondary tower 15 by the first air pump 17, uniformly distributing the gas by the third gas flow uniform distribution plate 19, reacting the gas with the desulfurization solution 6 in the first secondary tower 15, and performing third desulfurization treatment on the methane;

starting a second air pump 13 at the top of the first secondary tower 15, pumping the air in a second secondary tower 24 to the bottom of the second reaction chamber 11 by the second air pump 13, uniformly distributing the air by a second air flow uniform distribution plate, then feeding the air into a second biological filler device 7, starting a second motor 3, rotating the second biological filler device 7, and simultaneously rotating the outer ring and the inner ring of a biological filler ball on the second biological filler device 7 to perform fourth desulfurization treatment on the biogas;

the second anti-sticking wall device 10 is started, the second air cylinder 8 is started, the output shaft of the second air cylinder 8 reciprocates to drive a second piston in a second air cylinder 9 to reciprocate, and the second air cylinder 9 drives a second inner scraper to reciprocate;

when the second motor 3 rotates, the rotating rod 40 and the compression roller 39 can be driven to rotate, the dehydrated cotton is dehydrated, and gas enters the gas storage chamber after being dehydrated through the dehydrated cotton.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the claims of the present invention should not be limited by the above-mentioned embodiments, because the modifications, equivalent variations, improvements, etc. made in the claims of the present invention still fall within the scope of the present invention.

Claims (4)

1. The utility model provides a super smart desulfurizing tower of high-efficient desorption organic sulphur which characterized in that: the device comprises a desulfurizing tower main body, wherein a first reaction chamber and a second reaction chamber are arranged in the desulfurizing tower main body, the first reaction chamber and the second reaction chamber are separated by a partition plate, a gap is reserved between the bottom of the partition plate and the desulfurizing tower main body, a first air inlet pipe and a first air flow uniform distribution plate are arranged at the lower part of the first reaction chamber, a one-way valve is arranged on the first air inlet pipe, a first temperature sensor, a first biological filler device and a first anti-sticking wall device are arranged at the upper part of the first air flow uniform distribution plate, the first biological filler device is fixedly connected with a first motor, a first spraying device is arranged at the upper part of the first reaction chamber, a first air outlet and a first motor are arranged at the top of the first reaction chamber, the first spraying device is connected with a first water pump through a pipeline, the first water pump is positioned at the bottom of the first auxiliary tower, a first liquid inlet pipe and a second air inlet pipe are arranged at the lower part of the, the second air inlet pipe is provided with a check valve and a second air pump, the middle part of the second reaction cavity is provided with a second air flow uniform distribution plate which is positioned at the upper part of the second air inlet pipe, the upper part of the second air flow uniform distribution plate is provided with a second temperature sensor, a first liquid level switch, a second biological filler device and a second anti-sticking wall device, the second biological filler device is fixedly connected with a second motor, the top part of the second reaction cavity is provided with a dehydration device, a second air outlet and a second motor, the first biological filler device comprises a rotating main shaft fixedly connected with an output shaft of the first motor, the rotating main shaft is provided with a spirally arranged support shaft, the support shaft is provided with a plurality of mounting grooves, two coaxial first connecting rods are arranged at two ends of the mounting grooves, the connecting rods extend into a first connecting sleeve of an outer ring of a biological filler, and two coaxial second connecting rods are arranged at the inner side of the outer ring of the biological filler, the second connecting rod extends into a second connecting sleeve of the inner ring of the biological stuffing ball;

the first air outlet is connected with a first air pump through a pipeline, the first air pump is communicated with a third air inlet pipe at the bottom of the first auxiliary tower through a pipeline, the third air inlet pipe is provided with a one-way valve, the first auxiliary tower is internally provided with a first water pump, a third air flow uniform distribution plate, a third air outlet, a second liquid level switch and a second spraying device, the second liquid level switch is connected with the first water pump, the third air outlet is connected with the second air pump through a pipeline, the second air pump is communicated with a second air inlet pipe through a pipeline, the second spraying device is communicated with the bottom of the second auxiliary tower through a heat exchange pipeline, the heat exchange pipeline is connected with the heat exchanger, a filter plate is arranged in the middle of the second auxiliary tower, a second liquid inlet pipe is arranged at the top of the second auxiliary tower, the second liquid inlet pipe is communicated with the bottom of the first reaction cavity, an electromagnetic valve is arranged on the second liquid inlet pipe, the first biological filler device and the second biological filler device are identical in structure, different in size and different in size.

2. The ultra-precision desulfurization tower for efficiently removing organic sulfur according to claim 1, characterized in that: the first anti-sticking wall device and the second anti-sticking wall device are structurally the same in size and different in size, the first anti-sticking wall device comprises a base matched with a desulfurizing tower main body, a gas passing port in the upper part of the base is connected with the top of a first air cylinder through a pipeline, a gas passing port in the lower part of the base is connected with the bottom of the first air cylinder through a pipeline, a piston is arranged in the first air cylinder and fixedly connected with an output shaft of the first air cylinder through a piston rod, extending edges are arranged on the base, guide rods are arranged between the extending edges, ball grooves are arranged on the guide rods, a sliding sleeve is sleeved on the guide rods, limiting grooves are arranged on the inner side of the sliding sleeve, balls are arranged between the limiting grooves and the ball grooves, sealing sheets are arranged on two sides of the sliding sleeve, a first inner scraping sheet is fixed outside the sliding sleeve, an elastic, the edge of the first inner scraping blade is respectively connected with the base, the extending edge and the elastic cover.

3. The ultra-precision desulfurization tower for efficiently removing organic sulfur according to claim 1, characterized in that: dewatering device includes the holding box, holding box top and desulfurizing tower main part fixed connection, holding box bottom is equipped with the mesh, be equipped with the dehydration cotton in the holding box, the cotton middle part of dehydration is fixed with the hollow tube, second motor output shaft wears to establish the hollow tube, rotate through the bearing on the second motor output shaft and be connected with the dwang, the dwang with dehydration cotton parallel arrangement, it is connected with the compression roller to rotate on the dwang, the compression roller is impressed in the dehydration cotton.

4. The desulfurization method of the ultra-precision desulfurization tower for efficiently removing organic sulfur according to claim 2, comprising the following steps:

a1, introducing desulfurization liquid into the desulfurization tower through a first liquid inlet pipe, wherein a part of the desulfurization liquid is in the desulfurization tower, and a part of the desulfurization liquid flows into a first auxiliary tower through a second auxiliary tower, the liquid level in the first auxiliary tower rises to trigger a second liquid level switch, the second liquid level switch starts a first water pump, the first water pump pumps the desulfurization liquid in the first auxiliary tower to a first spraying device for spraying until the desulfurization liquid overflows a biological packing device to trigger the first liquid level switch, and the first liquid level switch closes the first liquid inlet pipe;

a2 introducing biogas into the first reaction chamber through a first gas inlet pipe;

a3, starting a first motor at the top of a first reaction cavity, driving a first biological filler device to rotate, enabling an inner ring and an outer ring of a biological filler ball on the first biological filler device to rotate, and enabling the first biological filler device to desulfurize methane for the first time;

a4 activates the first anti-sticking wall means: starting the first cylinder, wherein an output shaft of the first cylinder reciprocates to drive a first piston in a first air cylinder to reciprocate, and the first air cylinder drives a first inner doctor blade to reciprocate;

the A5 electromagnetic valve is in a normally open state, the desulfurization liquid at the bottom of the first reaction cavity flows into the second auxiliary tower, the desulfurization liquid at the bottom of the second auxiliary tower flows into the first auxiliary tower, the first water pump in the first auxiliary tower continuously pumps the desulfurization liquid in the first auxiliary tower to the first spraying device, and the first spraying device sprays the gas lifted to the upper part of the first reaction cavity to perform secondary desulfurization treatment on the methane;

a6, starting a first air pump, pumping the sprayed air to the bottom of the first auxiliary tower by the first air pump, uniformly distributing the air by a third air flow uniform distribution plate, reacting the air with the desulfurization solution in the first auxiliary tower, and performing third desulfurization treatment on the methane;

a7, starting a second air pump at the top of the first secondary tower, pumping air in the second secondary tower to the bottom of a second reaction chamber by the second air pump, uniformly distributing the air by a second air flow uniform distribution plate, then feeding the air into a second biological filler device, starting a second motor, rotating the second biological filler device, and simultaneously rotating the outer ring and the inner ring of a biological filler ball on the second biological filler device to desulfurize the biogas for the fourth time;

a8 starting the second anti-sticking wall device, starting the second cylinder, and driving the output shaft of the second cylinder to reciprocate to drive the second piston in the second cylinder to reciprocate, and driving the second inner scraper to reciprocate by the second cylinder;

when the A9 second motor rotates, can drive dwang and compression roller and rotate, dewater the cotton, gaseous process dehydration cotton gets into the air storage chamber after dehydration.

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