CN217092727U - Biogas purification carbon dioxide recovery unit - Google Patents

Abstract

The utility model relates to the technical field of carbon dioxide recovery, in particular to a carbon dioxide recovery device for methane purification, which can automatically remove dust and purify carbon dioxide and carry out liquefaction and collection; including purifying cylinder, a pedestal, the intake pipe, the bull stick, the spray tube, filter plate, the drier, the puddler, first support, purifying cylinder, rotary joint, first bevel gear and liquefaction collection subassembly, purifying cylinder fixed mounting is in the left part of base up end, the right part at the base up end is collected in the liquefaction, purifying cylinder's intermediate position intercommunication is equipped with the bull stick, the bull stick rotates to be installed inside purifying cylinder, the middle part intercommunication of bull stick is equipped with the multiunit spray tube, filter plate fixed mounting is on the inside upper portion of purifying cylinder, filter plate up end is equipped with the drier, the bull stick runs through filter plate and drier, multiunit puddler evenly distributed fixed mounting is in the lower part of bull stick, first support fixed mounting is at purifying cylinder up end, suction pump fixed mounting is at first support up end.

Description

Biogas purification carbon dioxide recovery unit

Technical Field

The utility model relates to a technical field of carbon dioxide recovery especially relates to a marsh gas purification carbon dioxide recovery unit.

Background

The biogas purification is to remove impurity components in the biogas to make the biogas into high-quality CH4 with high methane content and heat value and impurity gas component quality meeting the natural gas standard requirements, in the biogas purification operation, carbon dioxide in the biogas needs to be removed, the biogas purification can be realized by four methods, namely an absorption method, a pressure swing adsorption method, a low temperature condensation method and a membrane separation method, when the carbon dioxide is removed, the carbon dioxide is usually directly discharged into the air, which not only causes loss and waste of a large amount of carbon dioxide, but also easily causes greenhouse effect, and a large amount of dust impurities exist in the carbon dioxide to influence the environmental quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a marsh gas purification carbon dioxide recovery unit that can carry out dust removal purification and carry out liquefaction collection to carbon dioxide automatically.

The utility model discloses a carbon dioxide recovery device for biogas purification, which comprises a purification cylinder, a base, an air inlet pipe, a rotating pipe, a spray pipe, a filter screen plate, a drying agent, a stirring rod, a first support, the purification cylinder, a rotary joint, a first bevel gear and a liquefaction collecting component, wherein the purification cylinder is fixedly arranged at the left part of the upper end surface of the base, the liquefaction collecting component is arranged at the right part of the upper end surface of the base, the middle position of the purification cylinder is communicated with the rotating pipe, the left lower part of the purification cylinder is communicated with a blow-off pipe, the blow-off pipe is provided with a control valve, the rotating pipe is rotatably arranged in the purification cylinder, the middle part of the rotating pipe is communicated with a plurality of groups of spray pipes, the filter screen plate is fixedly arranged at the upper part of the purification cylinder, the drying agent is arranged at the upper end surface of the filter screen plate, the rotating pipe penetrates through the filter screen plate and the drying agent, a plurality of groups of stirring rods are uniformly distributed and fixedly arranged at the lower part of the rotating pipe, the first support is fixedly arranged at the upper end surface of the purification cylinder, the suction pump is fixedly arranged on the upper end surface of the first support, the upper end of the rotating pipe penetrates through the upper end surface of the purifying cylinder, the upper end of the rotating pipe is mutually and rotatably communicated with the output end of the suction pump through a rotary joint, the first bevel gear is fixedly arranged on the upper part of the rotating pipe, and the first bevel gear is mutually connected with the liquefaction collection assembly; at first pass through the intake pipe with carbon dioxide import to purifying cylinder inside, then start the sucking pump, the sucking pump fills water to the spray tube inside through the change pipe, water is spout through the spray tube, thereby can adsorb the dust impurity in the carbon dioxide, and then purify the carbon dioxide, the carbon dioxide is dried under the effect of drier, water and dust impurity form sewage, the change pipe rotates under the effect of liquefaction collection subassembly, make the puddler stir sewage, and under the cooperation of blow off pipe is used, be convenient for discharge sewage.

Preferably, the liquefaction collection assembly comprises a refrigerator, a collection box, a delivery box, a first communication pipe, a first one-way valve, a second communication pipe, a second one-way valve and a collection driving assembly, the refrigerator is fixedly mounted on the right part of the upper end face of the purification cylinder, the collection box is fixedly mounted on the refrigerator, the rear end face of the collection box is communicated with a liquid outlet, the delivery box is fixedly mounted on the upper end face of the collection box, the delivery box and the collection box are communicated with each other through the first communication pipe, the first communication pipe is provided with the first one-way valve, the delivery box and the upper part of the purification cylinder are communicated with each other through the second communication pipe, the second communication pipe is provided with the second one-way valve, the collection driving assembly is mounted on the upper end face of the delivery box, and the collection driving assembly is connected with the first bevel gear; under the cooperation of collecting drive assembly is used, make the carbon dioxide after purifying and drying carry to transport incasement portion through the second communicating pipe, then carbon dioxide carries to the collecting box through first communicating pipe inside, simultaneously under the cooperation of refrigerator is used, can make the collecting box carry out cooling to carbon dioxide and handle, when the pressure that is along with the collecting box inside constantly increases and reaches certain pressure, carbon dioxide begins to liquefy to can liquefy carbon dioxide and collect, improve the operability of device.

Preferably, the collecting and driving assembly comprises a second bracket, a double-output shaft reducer, a motor, two groups of first synchronizing wheels, two groups of rotating shafts, two groups of rotating discs, two groups of second synchronizing wheels, two groups of synchronous belts, a sliding shaft, a sliding rod, a sliding rail groove, a piston plate and a linkage assembly, the second bracket is fixedly arranged on the upper end surface of the conveying box, the double-output shaft reducer is fixedly arranged on the upper end surface of the second bracket, the motor is fixedly arranged on the double-output shaft reducer, the output end of the motor is fixedly connected with the input end of the double-output shaft reducer, the two groups of first synchronizing wheels are respectively and fixedly connected with the two groups of output ends of the double-output shaft reducer, the two groups of rotating shafts are symmetrically penetrated and rotatably arranged on the left and right end surfaces of the second bracket, the two groups of rotating discs are respectively and fixedly connected with the inner side ends of the two groups of rotating shafts, the two groups of second synchronizing wheels are respectively and fixedly connected with the outer side ends of the two groups of rotating shafts, and the first synchronizing wheels and the second synchronizing wheels at the same side are mutually connected through the synchronous belts, the two groups of second synchronizing wheels are connected with each other through a sliding shaft, the sliding shaft is positioned at the eccentric position of the second synchronizing wheels, a sliding rod penetrates through and is slidably mounted on the upper wall of the conveying box, the upper end of the sliding rod is fixedly connected with a sliding rail groove, the sliding shaft is slidably connected with the sliding rail groove, a piston plate is fixedly mounted at the lower end of the sliding rod, the piston plate is slidably mounted inside the conveying box, the piston plate is in close contact with the inner side wall of the conveying box, and a rotating shaft at the left part is connected with the first bevel gear through a linkage assembly; the dual-output-shaft speed reducer drives the first synchronous wheel to rotate under the driving of the motor, and under the transmission connection effect of the synchronous belt, the second synchronous wheel, the rotating shaft and the rotating disc, the sliding shaft drives the sliding rod to reciprocate up and down, so that the piston plate reciprocates up and down, carbon dioxide can be conveyed in a one-way mode under the matching use of the second one-way valve and the first one-way valve, and the reliability of the device is improved.

Preferably, the linkage assembly comprises a connecting shaft and a second bevel gear, the connecting shaft penetrates through and is rotatably mounted on the first support, the right end of the connecting shaft is fixedly connected with the rotating shaft at the left part, the second bevel gear is fixedly connected with the left end of the connecting shaft, and the second bevel gear is meshed with the first bevel gear; along with the pivot pivoted, under the transmission connection effect of connecting axle and second bevel gear, make first bevel gear drive the rotating tube and rotate, and then can make the spray tube rotate and spray, improve carbon dioxide's dust removal effect.

Preferably, a pressure sensor is arranged in the collecting box; through setting up pressure sensor, can be convenient for detect the inside pressure of collecting box, prevent that collecting box internal pressure is too big and cause the condition of explosion to appear, improve the reliability of device.

Preferably, the front part of the purifying cylinder is provided with an access hole, and a cover plate is arranged on the access hole in a sealing manner; through setting up the access hole, be convenient for overhaul the change to the inside part of purifying barrel, improve the operability of device.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, carbon dioxide is input into a purifying cylinder through an air inlet pipe, then an absorption pump is started, the absorption pump fills water into a spray pipe through a rotating pipe, the water is sprayed out through the spray pipe, the motor is started while the absorption pump is started, a first synchronous wheel is driven by a double-output shaft reducer to rotate, a connecting shaft drives a second bevel gear to rotate under the transmission connection action of a synchronous belt, the second synchronous wheel and a rotating shaft, so that a first bevel gear drives the rotating pipe to rotate, the spray pipe is further rotated and sprayed, dust and impurities in the carbon dioxide are adsorbed by the water, the carbon dioxide is purified, the carbon dioxide is dried under the action of a drying agent, and the sliding rod drives a piston plate to move up and down under the transmission connection action of a rotary table, a sliding shaft and a sliding rail groove while the rotating shaft rotates, and under the matching use of a second one-way valve and the first one-way valve, carry out one-way transport to carbon dioxide, make carbon dioxide pass through second communicating pipe, delivery box and first communicating pipe and get into to the collecting box inside, then start the refrigerator, make the collecting box carry out cooling treatment to carbon dioxide, when pressure along with the collecting box inside constantly increases and reaches certain pressure, carbon dioxide begins to liquefy the collection to carbon dioxide.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

FIG. 2 is a schematic view of the axial cross-section structure of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 1;

in the drawings, the reference numbers: 1. a purification cartridge; 2. a base; 3. an air inlet pipe; 4. pipe rotation; 5. a nozzle; 6. a filter screen plate; 7. a desiccant layer; 8. a stirring rod; 9. a first bracket; 10. a suction pump; 11. a rotary joint; 12. a first bevel gear; 13. a refrigerator; 14. a collection box; 15. a delivery box; 16. a first communication pipe; 17. a first check valve; 18. a second communicating pipe; 19. a second one-way valve; 20. a second bracket; 21. a speed reducer with double output shafts; 22. a motor; 23. a first synchronizing wheel; 24. a rotating shaft; 25. a turntable; 26. a second synchronizing wheel; 27. a synchronous belt; 28. a slide shaft; 29. a slide bar; 30. a chute rail; 31. a piston plate; 32. a connecting shaft; 33. a second bevel gear.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 3, a purifying cylinder 1 is fixedly arranged at the left part of the upper end surface of a base 2, a rotating pipe 4 is communicated with the middle position of the purifying cylinder 1, a blow-off pipe is communicated with the left lower part of the purifying cylinder 1, a control valve is arranged on the blow-off pipe, the rotating pipe 4 is rotatably arranged in the purifying cylinder 1, a plurality of groups of spray pipes 5 are communicated with the middle part of the rotating pipe 4, a filter screen plate 6 is fixedly arranged at the upper part of the purifying cylinder 1, a drying agent 7 is arranged at the upper end surface of the filter screen plate 6, the rotating pipe 4 penetrates through the filter screen plate 6 and the drying agent 7, a plurality of groups of stirring rods 8 are uniformly distributed and fixedly arranged at the lower part of the rotating pipe 4, a first bracket 9 is fixedly arranged at the upper end surface of the purifying cylinder 1, an absorption pump 10 is fixedly arranged at the upper end surface of the first bracket 9, the upper end of the rotating pipe 4 penetrates through the upper end surface of the purifying cylinder 1, the upper end of the rotating pipe 4 is mutually rotatably communicated with the output end of the absorption pump 10 through a rotary joint 11, a first bevel gear 12 is fixedly arranged at the upper part of the rotating pipe 4, the refrigerator 13 is fixedly arranged at the right part of the upper end surface of the purification cylinder 1, the collection box 14 is fixedly arranged on the refrigerator 13, the rear end surface of the collection box 14 is communicated with a liquid outlet, the conveying box 15 is fixedly arranged at the upper end surface of the collection box 14, the conveying box 15 is communicated with the collection box 14 through a first communicating pipe 16, the first communicating pipe 16 is provided with a first one-way valve 17, the conveying box 15 is communicated with the upper part of the purification cylinder 1 through a second communicating pipe 18, the second communicating pipe 18 is provided with a second one-way valve 19, a second bracket 20 is fixedly arranged at the upper end surface of the conveying box 15, a double-output-shaft reducer 21 is fixedly arranged at the upper end surface of the second bracket 20, a motor 22 is fixedly arranged on the double-output-shaft reducer 21, the output end of the motor 22 is fixedly connected with the input end of the double-output-shaft reducer 21, and two groups of first synchronous wheels 23 are respectively fixedly connected with two groups of output ends of the double-output-shaft reducer 21, two groups of rotating shafts 24 symmetrically penetrate through and are rotatably installed on the left end surface and the right end surface of the second bracket 20, two groups of rotating discs 25 are respectively and fixedly connected with the inner side ends of the two groups of rotating shafts 24, two groups of second synchronizing wheels 26 are respectively and fixedly connected with the outer side ends of the two groups of rotating shafts 24, in addition, a first synchronizing wheel 23 and a second synchronizing wheel 26 which are positioned at the same side are mutually connected through a synchronous belt 27, two groups of second synchronizing wheels 26 are mutually connected through a sliding shaft 28, the sliding shaft 28 is positioned at the eccentric position of the second synchronizing wheels 26, a sliding rod 29 penetrates through and is slidably installed on the upper wall of the conveying box 15, the upper end of the sliding rod 29 is fixedly connected with a sliding rail groove 30, the sliding shaft 28 is slidably connected with the sliding rail groove 30, a piston plate 31 is fixedly installed at the lower end of the sliding rod 29, the piston plate 31 is slidably installed inside the conveying box 15, the piston plate 31 is tightly contacted with the inner side wall of the conveying box 15, a connecting shaft 32 penetrates through and is rotatably installed on the first bracket 9, the right end of the connecting shaft 32 is fixedly connected with the rotating shaft 24 at the left part, the second bevel gear 33 is fixedly connected with the left end of the connecting shaft 32, and the second bevel gear 33 is meshed with the first bevel gear 12; firstly, carbon dioxide is input into a purifying cylinder 1 through an air inlet pipe 3, then an absorption pump 10 is started, the absorption pump 10 charges water into a spray pipe 5 through a rotating pipe 4, the water is sprayed out through the spray pipe 5, the absorption pump 10 is started, meanwhile, a motor 22 is started, a double-output-shaft speed reducer 21 drives a first synchronous wheel 23 to rotate under the driving of the motor 22, and under the transmission connection action of a synchronous belt 27, a second synchronous wheel 26 and a rotating shaft 24, a connecting shaft 32 drives a second synchronous wheel 33 to rotate, so that a first bevel gear 12 drives the rotating pipe 4 to rotate, further the spray pipe 5 is rotated and sprayed, the water adsorbs dust and impurities in the carbon dioxide, so that the carbon dioxide is purified, the carbon dioxide is dried under the action of a drying agent 7, and under the transmission connection action of a rotating disc 25, a sliding shaft 28 and a sliding rail groove 30 along with the rotation of the rotating shaft 24, the sliding rod 29 drives the piston plate 31 to move up and down in a reciprocating mode, under the matched use of the second one-way valve 19 and the first one-way valve 17, carbon dioxide is conveyed in a one-way mode, the carbon dioxide enters the inside of the collecting box 14 through the second communicating pipe 18, the conveying box 15 and the first communicating pipe 16, then the refrigerator 13 is started, the collecting box 14 cools and cools the carbon dioxide, the carbon dioxide begins to liquefy along with the continuous increase of the pressure inside the collecting box 14 and reaches a certain pressure, the carbon dioxide is liquefied and collected, after work is completed, the control valve is opened, and sewage formed by water and dust impurities is discharged through the sewage discharge pipe.

The installation mode, the connection mode or the arrangement mode of the carbon dioxide recovery device for methane purification of the utility model are common mechanical modes, and the device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a marsh gas purification carbon dioxide recovery unit's refrigerator 13 and dual output shaft reduction gear 21 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A biogas purification carbon dioxide recovery device is characterized by comprising a purification cylinder (1), a base (2), an air inlet pipe (3), a rotating pipe (4), a spray pipe (5), a filter screen plate (6), a drying agent (7), a stirring rod (8), a first support (9), the purification cylinder (1), a rotary joint (11), a first bevel gear (12) and a liquefaction collection assembly, wherein the purification cylinder (1) is fixedly arranged at the left part of the upper end surface of the base (2), the liquefaction collection assembly is arranged at the right part of the upper end surface of the base (2), the rotating pipe (4) is communicated and arranged at the middle position of the purification cylinder (1), a drain pipe is communicated and arranged at the left lower part of the purification cylinder (1), a control valve is arranged on the drain pipe, the rotating pipe (4) is rotatably arranged inside the purification cylinder (1), a plurality of groups of spray pipes (5) are communicated and arranged at the middle part of the rotating pipe (4), the filter screen plate (6) is fixedly arranged at the upper part inside the purification cylinder (1), filter otter board (6) up end and be equipped with drier (7), filter otter board (6) and drier (7) are run through to rotary pipe (4), multiunit puddler (8) evenly distributed fixed mounting is in the lower part of rotary pipe (4), first support (9) fixed mounting is in purifying section of thick bamboo (1) up end, inhale pump (10) fixed mounting is in first support (9) up end, rotary pipe (4) upper end is passed and is purified section of thick bamboo (1) up end, and through rotary joint (11) looks rotation intercommunication between rotary pipe (4) upper end and inhale pump (10) output, first bevel gear (12) fixed mounting is in rotary pipe (4) upper portion, and first bevel gear (12) and liquefaction collection component interconnect.

2. The recycling device for carbon dioxide in biogas purification according to claim 1, wherein the liquefaction collection assembly comprises a refrigerator (13), a collection box (14), a delivery box (15), a first communication pipe (16), a first one-way valve (17), a second communication pipe (18), a second one-way valve (19) and a collection driving assembly, the refrigerator (13) is fixedly installed at the right part of the upper end surface of the purification cylinder (1), the collection box (14) is fixedly installed on the refrigerator (13), the rear end surface of the collection box (14) is communicated with a liquid discharge port, the delivery box (15) is fixedly installed at the upper end surface of the collection box (14), the delivery box (15) and the collection box (14) are communicated with each other through the first communication pipe (16), the first one-way valve (17) is arranged on the first communication pipe (16), the delivery box (15) and the upper part of the purification cylinder (1) are communicated with each other through the second communication pipe (18), a second one-way valve (19) is arranged on the second communicating pipe (18), the collection driving assembly is arranged on the upper end surface of the conveying box (15), and the collection driving assembly is connected with the first bevel gear (12).

3. The biogas purification and carbon dioxide recovery device according to claim 2, wherein the collection driving assembly comprises a second bracket (20), a dual output shaft reducer (21), a motor (22), two sets of first synchronous wheels (23), two sets of rotating shafts (24), two sets of rotating discs (25), two sets of second synchronous wheels (26), two sets of synchronous belts (27), a sliding shaft (28), a sliding rod (29), a sliding rail groove (30), a piston plate (31) and a linkage assembly, the second bracket (20) is fixedly arranged on the upper end surface of the conveying box (15), the dual output shaft reducer (21) is fixedly arranged on the upper end surface of the second bracket (20), the motor (22) is fixedly arranged on the dual output shaft reducer (21), the output end of the motor (22) is fixedly connected with the input end of the dual output shaft reducer (21), the two sets of first synchronous wheels (23) are respectively fixedly connected with the two sets of output ends of the dual output shaft reducer (21), two groups of rotating shafts (24) symmetrically penetrate through and are rotatably installed on the left end face and the right end face of the second support (20), two groups of rotating discs (25) are respectively and fixedly connected with the inner side ends of the two groups of rotating shafts (24), two groups of second synchronizing wheels (26) are respectively and fixedly connected with the outer side ends of the two groups of rotating shafts (24), first synchronizing wheels (23) and second synchronizing wheels (26) which are positioned on the same side are mutually connected through synchronous belts (27), two groups of second synchronizing wheels (26) are mutually connected through sliding shafts (28), the sliding shafts (28) are positioned at the eccentric positions of the second synchronizing wheels (26), sliding rods (29) penetrate through and are slidably installed on the upper wall of the conveying box (15), the upper ends of the sliding rods (29) are fixedly connected with sliding rail grooves (30), the sliding shafts (28) are slidably connected with the sliding rail grooves (30), piston plates (31) are fixedly installed at the lower ends of the sliding rods (29), and piston plates (31) are slidably installed inside the conveying box (15), the piston plate (31) is in close contact with the inner side wall of the conveying box (15), and the rotating shaft (24) at the left part is connected with the first bevel gear (12) through a linkage assembly.

4. The biogas purification and carbon dioxide recovery device as claimed in claim 3, wherein the linkage assembly comprises a connecting shaft (32) and a second bevel gear (33), the connecting shaft (32) penetrates through and is rotatably mounted on the first bracket (9), the right end of the connecting shaft (32) is fixedly connected with the rotating shaft (24) at the left part, the second bevel gear (33) is fixedly connected with the left end of the connecting shaft (32), and the second bevel gear (33) is meshed with the first bevel gear (12).

5. The recovery device for purifying carbon dioxide by biogas as recited in claim 2, wherein the collection tank (14) is internally provided with a pressure sensor.

6. The recovery device for purifying carbon dioxide by biogas as claimed in claim 1, wherein the front part of the purifying cylinder (1) is provided with an access hole, and the access hole is provided with a cover plate in a sealing way.

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