CN211057044U

CN211057044U - Desulfurizing tower for biogas purification

Info

Publication number: CN211057044U
Application number: CN201921329596.4U
Authority: CN
Inventors: 龙莲秀
Original assignee: Changsha Lanxi Environmental Protection Technology Co ltd
Current assignee: Changsha Lanxi Environmental Protection Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-07-21
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a desulfurizing tower for purifying methane, which belongs to the technical field of chemical production equipment, and particularly relates to a desulfurizing tower for purifying methane, which comprises a methane tank, a tower body, a first desulfurizer, a second desulfurizer and a limestone slurry tank, wherein the top central position of the methane tank is fixedly provided with a vent pipe, the top of the vent pipe is fixedly connected with the tower body, the tower body is positioned at the top of the methane tank, the left side wall of the inner cavity of the tower body is fixedly provided with three discharging pipes, the left sides of the three discharging pipes are connected with a discharging sealing cover by screw threads, the right side wall of the inner cavity of the tower body is fixedly provided with three feeding pipes, the top, the central position and the bottom of the inner cavity of the tower body are respectively fixedly provided with the limestone slurry tank, the second desulfurizer and the first desulfurizer, and the top right sides and the bottom left sides of the limestone slurry, can effectual improvement the desulfurization effect, also conveniently maintain and wash convenient to use to this desulfurizing tower simultaneously.

Description

Desulfurizing tower for biogas purification

Technical Field

The utility model relates to the technical field of chemical production equipment, in particular to a desulfurizing tower for purifying methane.

Background

The biogas desulfurization is realized by filling a desulfurizer in a biogas desulfurization tower under the condition of meeting working conditions, so that the content of H2S in the biogas reaches the required standard. Desulfurization must be performed before the biogas is pressurized. The purpose of biogas desulfurization is as follows:

1. the content of H2S in the purified methane is less than or equal to 15mg/m3, and the methane reaches the national natural gas standard for vehicles.

2. And the stress corrosion of subsequent pipelines and equipment caused by H2S in the marsh gas after pressurization is prevented.

The existing desulfurizing tower for purifying the methane has several forms: firstly, the traditional vertical tower; secondly, a box type tower; and thirdly, a frame tower. The vertical tower has the structure that the biogas enters from the bottom of the tower and flows out from the top of the tower after being desulfurized by the desulfurizer, the equipment is simple to manufacture, the occupied area is small, the desulfurizer is inconvenient to replace, the temperature rises quickly during regeneration and is difficult to control, and the vertical tower is suitable for desulfurizing the biogas with small gas amount and low H2S content; the box-type tower has small resistance, large desulfurizer filling amount and simple equipment structure, but occupies large area, and can only desulfurize the marsh gas with high H2S content in large atmosphere; the frame tower is simple and convenient to replace the desulfurizer, only the used charging frame needs to be taken out, and the new desulfurizer is charged, but the structure is complex and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the first being conventional vertical columns; secondly, a box type tower; and thirdly, a frame tower. The vertical tower has the structure that the biogas enters from the bottom of the tower and flows out from the top of the tower after being desulfurized by the desulfurizer, the equipment is simple to manufacture, the occupied area is small, the desulfurizer is inconvenient to replace, the temperature rises quickly during regeneration and is difficult to control, and the vertical tower is suitable for desulfurizing the biogas with small gas amount and low H2S content; the box-type tower has small resistance, large desulfurizer filling amount and simple equipment structure, but occupies large area, and can only desulfurize the marsh gas with high H2S content in large atmosphere; frame tower, it is simple and convenient to change the desulfurizer, only need take out used dress material frame, adorn new desulfurizer can, but the structure is complicated, the problem that manufacturing cost is big, proposed the utility model discloses.

Therefore, the utility model aims at providing a desulfurizing tower for marsh gas purification can effectual improvement desulfurization effect, also conveniently changes desulfurizer and limestone slurry simultaneously, also can regularly maintain and wash the desulfurizing tower, improves the life of desulfurizing tower, reduces use cost.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a desulfurizing tower for purifying methane, which comprises a methane tank, a tower body, a first desulfurizer, a second desulfurizer and a limestone slurry tank, a vent pipe is fixedly arranged at the central position of the top of the methane tank, the top of the vent pipe is fixedly connected with the tower body, the tower body is positioned at the top of the methane tank, three discharging pipes are fixedly arranged on the left side wall of the inner cavity of the tower body, the left sides of the three discharging pipes are in threaded connection with discharging sealing covers, the right side wall of the inner cavity of the tower body is fixedly provided with three feeding pipes, the right sides of the three feeding pipes are in threaded connection with feeding sealing covers, the top, the central position and the bottom of the inner cavity of the tower body are respectively and fixedly provided with a limestone slurry tank, a second desulfurizer and a first desulfurizer, the top right side and the bottom left side of lime stone thick liquid case, second desulfurizer and first desulfurizer all are connected with discharging pipe and inlet pipe.

As an optimized scheme of the desulfurizing tower for purifying the marsh gas, the utility model discloses a desulfurizing tower for purifying the marsh gas, wherein: the methane desulfurization tower is characterized in that a connecting pipe is arranged at the center of the bottom of an inner cavity of the tower body and is respectively connected with a first desulfurizer, a second desulfurizer and a limestone slurry tank, the connecting pipe is connected with a vent pipe, and a methane gas outlet is formed in the center of the top of the tower body.

As an optimized scheme of the desulfurizing tower for purifying the marsh gas, the utility model discloses a desulfurizing tower for purifying the marsh gas, wherein: the central position of the inner cavity of the first desulfurizer is provided with an exhaust pipe, and the exhaust pipe is connected with a connecting pipe.

As an optimized scheme of the desulfurizing tower for purifying the marsh gas, the utility model discloses a desulfurizing tower for purifying the marsh gas, wherein: the second desulfurizer is internally and fixedly provided with a desulfurizer layer, the central position of the bottom of the inner cavity of the second desulfurizer is provided with an air outlet pipe, the air outlet pipe is connected with the connecting pipe, and the air outlet pipe is higher than the desulfurizer layer.

As an optimized scheme of the desulfurizing tower for purifying the marsh gas, the utility model discloses a desulfurizing tower for purifying the marsh gas, wherein: the utility model discloses a tower body, including tower body, lime stone thick liquid case, the connecting rod has all been welded to the left and right sides central point of lime stone thick liquid case position, the other end welding of connecting rod is at the inner chamber left and right sides wall top of tower body, the top central point of lime stone thick liquid case puts and opens there is the gas outlet.

Compared with the prior art: can effectually carry out the desulfurization to marsh gas through first desulfurizer and the second desulfurizer in the tower body, recycle discharging pipe, the sealed lid of ejection of compact, inlet pipe and the sealed lid of feeding can conveniently change the desulfurizer in the desulfurizer, also conveniently maintain and clear up the desulfurizer simultaneously, improve this desulfurizing tower's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the lift motor of the present invention;

fig. 3 is a schematic view of the internal structure of the disinfection box of the present invention.

In the figure: the methane tank 100, the vent pipe 110, the tower body 200, the discharge pipe 210, the discharge sealing cover 220, the feed pipe 230, the feed sealing cover 240, the methane gas outlet 250, the connecting pipe 260, the first desulfurizer 300, the exhaust pipe 310, the second desulfurizer 400, the desulfurizer layer 410, the gas outlet pipe 420, the limestone slurry tank 500, the fixing rod 510 and the gas outlet 520.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a desulfurizing tower for marsh gas purification for can be effectual improve the effect of desulfurization, also conveniently change desulfurizer and limestone slurry simultaneously, also can regularly maintain and wash the desulfurizing tower, improve the life of desulfurizing tower, reduce use cost, please refer to fig. 1, including methane-generating pit 100, tower body 200, first desulfurizer 300, second desulfurizer 400 and limestone slurry tank 500;

referring to fig. 1, a biogas digester 100 is provided with a vent pipe 110, specifically, the vent pipe 110 is fixedly installed at the central position of the top of the biogas digester 100, the biogas digester 100 is used for producing biogas, and the vent pipe 110 is used for conveying biogas;

referring to fig. 1 again, the tower body 200 has a discharging pipe 210, a discharging sealing cover 220, a feeding pipe 230, a feeding sealing cover 240, a methane gas outlet 250 and a connecting pipe 260, the tower body 200 is installed at the top center position of the methane tank 100, specifically, the tower body 200 is fixedly installed at the top center position of the methane tank 100, the discharging pipe 210 is fixedly installed at the left side wall of the inner cavity of the tower body 200, the discharging sealing cover 220 is screwed at the bottom of the discharging pipe 210, the feeding pipe 230 is fixedly installed at the right side wall of the inner cavity of the tower body 200, the feeding sealing cover 240 is screwed at the right side of the feeding pipe 230, the methane gas outlet 250 is opened at the top center position of the tower body 200, the connecting pipe 260 is fixedly installed at the center position of the bottom of the inner cavity of the tower body 200, the tower body 200, the connecting pipe 260 is used for conveying biogas;

referring to fig. 1 and 2, the first desulfurizer 300 has an exhaust pipe 310, the first desulfurizer 300 is installed at the bottom of an inner cavity of the tower body 200, specifically, the first desulfurizer 300 is welded at the bottom of the inner cavity of the tower body 200, the exhaust pipe 310 is fixedly installed at the center of the inner cavity of the first desulfurizer 300, the first desulfurizer 300 is used for desulfurization, and the exhaust pipe 310 is used for conveying biogas;

referring to fig. 1 and 3, the second desulfurizer 400 has a desulfurizer layer 410 and an outlet pipe 420, the second desulfurizer 400 is installed at the center of the inner cavity of the tower body 200, specifically, the second desulfurizer 400 is welded at the center of the inner cavity of the tower body 200, the desulfurizer layer 410 is fixedly installed at the bottom of the inner cavity of the second desulfurizer 400, the outlet pipe 420 is fixedly installed at the center of the bottom of the inner cavity of the second desulfurizer 400, the second desulfurizer 400 and the desulfurizer layer 410 are used for desulfurization, and the outlet pipe 420 is used for conveying biogas;

referring to fig. 1 again, the limestone slurry tank 500 has a fixing rod 510 and an air outlet 520, the limestone slurry tank 500 is installed at the top of the inner cavity of the tower body 200, specifically, the limestone slurry tank 500 is welded at the top of the inner cavity of the tower body 200 through the fixing rod 510, the fixing rod 510 is welded at the center position of the left and right sides of the limestone slurry tank 500, the air outlet 520 is opened at the center position of the top of the limestone slurry tank 500, the limestone slurry tank 500 is used for physical desulfurization, the fixing rod 510 is used for fixing, and the air outlet 520 is used for discharging biogas.

When specifically using, this technical field personnel can effectually carry out the desulfurization to marsh gas through first desulfurizer 300 and second desulfurizer 400 in the tower body 200, recycle discharging pipe 210, the sealed lid of ejection of compact 220, the sealed lid of inlet pipe 230 and the sealed lid 240 of feeding can conveniently change the desulfurizer in the desulfurizer, also conveniently maintain and clear up the desulfurizer simultaneously, improve the life of this desulfurizing tower.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A desulfurizing tower for marsh gas purification which characterized in that: including methane-generating pit (100), tower body (200), first desulfurizer (300), second desulfurizer (400) and limestone slurry case (500), the top central point rigidity of methane-generating pit (100) is provided with breather pipe (110), top fixed connection tower body (200) of breather pipe (110), tower body (200) are located the top of methane-generating pit (100), the equal fixed mounting in inner chamber left side wall of tower body (200) has three discharging pipe (210), and is three the equal threaded connection in left side of discharging pipe (210) has the sealed lid of ejection of compact (220), the equal fixed mounting in inner chamber right side wall of tower body (200) has three inlet pipe (230), and is three the equal threaded connection in right side of inlet pipe (230) has the sealed lid of feeding (240), the inner chamber top, central point and the bottom of tower body (200) respectively fixed mounting have limestone slurry case (500), The top right side and the bottom left side of second desulfurizer (400) and first desulfurizer (300) all are connected with discharging pipe (210) and inlet pipe (230).

2. The desulfurization tower for biogas purification according to claim 1, characterized in that: the inner chamber bottom central point of tower body (200) puts and is provided with connecting pipe (260), connecting pipe (260) are connected with first desulfurizer (300), second desulfurizer (400) and limestone slurry case (500) respectively, connecting pipe (260) are connected with breather pipe (110), the top central point of tower body (200) is opened there is marsh gas outlet (250).

3. The desulfurization tower for biogas purification according to claim 1, characterized in that: an exhaust pipe (310) is arranged in the center of the inner cavity of the first desulfurizer (300), and the exhaust pipe (310) is connected with the connecting pipe (260).

4. The desulfurization tower for biogas purification according to claim 1, characterized in that: the desulfurizer layer (410) is fixedly arranged in the second desulfurizer (400), the air outlet pipe (420) is arranged at the central position of the bottom of the inner cavity of the second desulfurizer (400), the air outlet pipe (420) is connected with the connecting pipe (260), and the air outlet pipe (420) is higher than the desulfurizer layer (410).

5. The desulfurization tower for biogas purification according to claim 1, characterized in that: the utility model discloses a tower body, include tower body (200), limestone slurry case (500) and connecting rod (510), the connecting rod (510) have all been welded to the left and right sides central point of limestone slurry case (500), the other end welding of connecting rod (510) is at the inner chamber left and right sides wall top of tower body (200), the top central point of limestone slurry case (500) puts to open has gas outlet (520).