CN209098597U

CN209098597U - Methane-desulfurizing device

Info

Publication number: CN209098597U
Application number: CN201821713300.4U
Authority: CN
Inventors: 张瑞强; 周加栋
Original assignee: Hebei Polycarbon Biotechnology Co Ltd
Current assignee: Hebei Polycarbon Biotechnology Co Ltd
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2019-07-12
Anticipated expiration: 2028-10-22

Abstract

The utility model provides a kind of methane-desulfurizing device, is related to field of renewable energy technology, solves the technical issues of desulfurizing agent existing in the prior art cannot recycle.The methane-desulfurizing device includes sucking tower and regenerator, wherein: Q ring filler layer is set inside sucking tower, porcelain Raschig ring filler layer is set inside regenerator, it sucks setting clean gas outlet above tower and desulfurizing agent import is arranged in top simultaneously, desulfurizing agent outlet is arranged in setting raw material gas inlet and lower section simultaneously below sucking tower, unstripped gas can enter sucking tower from raw material gas inlet and handle through Q ring filler layer, with the desulfurizing agent counter current contacting that enters from desulfurizing agent import, purified gas can be discharged from clean gas outlet；Desulfurizing agent outlet is connected to and in communication with regenerator import, and regenerator outlet is connected to and in communication with desulfurizing agent import, and the desulfurizing agent being discharged from sucking tower can enter back into sucking tower through the porcelain Raschig ring filler layer processing inside regenerator.The utility model recycles for realizing desulfurizing agent.

Description

Methane-desulfurizing device

Technical field

The utility model relates to field of renewable energy technology, more particularly, to a kind of methane-desulfurizing device.

Background technique

Biogas can also make internal combustion engine in addition to directly burning is used for cooking, drying agricultural and sideline product, heating, illumination and gas welding etc. Fuel and production methanol, formalin, the industrial chemicals such as carbon tetrachloride.The feed liquid that is discharged after firedamp gas equipment ferments and heavy Slag can be used as fertilizer and feed containing more rich nutriment.But the biogas calorific value and purity of the country, current China are low, mention Pure work is not yet carried out on a large scale, and biogas is only used as rural area kitchen range fuel to use, and purposes is few, and use value is low.In renewable energy Under the status that the development in source is highly valued, methane purification produces bio-natural gas, expands biogas purposes and is also taken seriously.

Biogas ingredient is generally all more complicated, and gas componant has difference, main component CH₄About of the total volume 50%~ 70%, SO₂About 25%~40%, remaining gas such as N₂、O₂、H₂S、H₂O、NH₃Etc. accounting for about 3%~5%.Biogas ingredient is in biogas During high-endization comprehensive utilization, need to carry out the foreign gas in biogas to purify removing processing, because of SO₂Occupy impurity gas The overwhelming majority of body, therefore remove SO₂Expense largely determine the height of marsh gas purifying cost, therefore biogas is de- The selection of sulphur device has great influence to the high-endization comprehensive utilization of biogas.

Applicants have discovered that the prior art has following technical problem:

Desulfurizing agent cannot be reused to other substances are generated after biogas desulfurization.

Utility model content

The purpose of this utility model is to provide a kind of methane-desulfurizing devices, to solve desulfurizing agent existing in the prior art The technical issues of cannot recycling.

To achieve the above object, the utility model provides following technical scheme:

A kind of methane-desulfurizing device provided by the utility model, including sucking tower and regenerator, in which: in the sucking tower Q ring filler layer is arranged in portion, and porcelain Raschig ring filler layer is arranged inside the regenerator, clean gas outlet is arranged above the sucking tower And desulfurizing agent import is arranged in top simultaneously, and raw material gas inlet is arranged below the sucking tower and lower section is arranged desulfurizing agent simultaneously and goes out Mouthful, unstripped gas can enter the sucking tower from the raw material gas inlet and handle through the Q ring filler layer, with from the desulfurizing agent The desulfurizing agent counter current contacting that import enters, purified gas can be discharged from the clean gas outlet, and the desulfurizing agent after reaction can be from described Desulfurizing agent outlet discharge；

Desulfurizing agent outlet is connected to and in communication with the regenerator import, the regenerator outlet and the desulfurizing agent into Mouth is connected to and in communication with, and the desulfurizing agent being discharged from the sucking tower is handled through the porcelain Raschig ring filler layer inside the regenerator The sucking tower can be entered back into.

Preferably, further include heat exchanger, the heat exchanger be set to the sucking tower and the regenerator it Between, the heat exchanger simultaneously with desulfurizing agent outlet, the regenerator import, the regenerator outlet and it is described take off Sulphur agent import connection, the desulfurizing agent outlet are connected to inside the heat exchanger with the regenerator import, the desulfurization Agent import is exported with the regenerator and is connected to inside the heat exchanger.

Preferably, cooler is also set up between the desulfurizing agent import and regenerator outlet, the cooler is simultaneously It is connected to and in communication with the desulfurizing agent import and regenerator outlet.

Preferably, desulfurizing agent pump, the desulfurizing agent pump are also set up between the desulfurizing agent import and regenerator outlet The desulfurizing agent for being placed in the regenerator can be made to be discharged into the sucking tower.

Be preferably located at it is described sucking tower on the desulfurizing agent import at least one is set, close to the desulfurizing agent into Check valve is set on the pipeline of mouth.

It preferably, further include purified gas gas-liquid separator, the purified gas gas-liquid separator and the clean gas outlet connect It connects and is connected to.

It preferably, further include unstripped gas gas-liquid separator, the unstripped gas gas-liquid separator and the raw material gas inlet connect It connects and is connected to.

It preferably, further include reboiler, the reboiler is adjacent with the regenerator, and connect and connect with the regenerator It is logical.

It preferably, further include SO₂Cooler, the SO₂Cooler is set on the regenerator and connects with the regenerator It connects and is connected to.

It preferably, further include SO₂Gas-liquid separator, the SO₂Gas-liquid separator and the SO₂Cooler is connected to and in communication with.

A kind of methane-desulfurizing device provided by the utility model compared with the existing technology has following technical effect that

It is individually compared using sucking tower compared with the methane-desulfurizing device in technology, biogas desulfurization provided by the utility model There is device sucking tower and regenerator, the outlet for sucking tower to be connected to the entrance of regenerator simultaneously, the outlet and sucking of regenerator The entrance of tower is connected to, and inside sucking tower and after unstripped gas counter current contacting, the outlet through sucking tower is discharged into regenerator desulfurizing agent, It is discharged into sucking tower after the porcelain Raschig ring filler layer processing inside regenerator, and from the outlet of regenerator, to realize Desulfurizing agent recycles.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of the methane-desulfurizing device of embodiment of the utility model.

In figure: 100, sucking tower；101, raw material gas inlet；102, clean gas outlet；103, desulfurizing agent import；104, desulfurization Agent outlet；105, check valve；106, cooler；107, desulfurizing agent pumps；108, Q ring filler layer；109, unstripped gas gas-liquid separator； 110, purified gas gas-liquid separator；200, regenerator；201, reboiler；202, regenerator exports；203, regenerator import；204, SO₂Exhaust outlet；205,SO₂Cooler；206,SO₂Gas-liquid separator；207, porcelain Raschig ring filler layer；300, heat exchanger.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

In the description of the present invention, it should be understood that term " center ", " length ", " width ", " height ", The instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side " Orientation or positional relationship is to be merely for convenience of description the utility model and letter based on attached orientation or positional relationship shown in FIG. 1 Change description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " more It is a " it is meant that two or more.

Fig. 1 is a kind of structural schematic diagram of the methane-desulfurizing device of embodiment of the utility model, provided by the utility model A kind of methane-desulfurizing device sucks tower 100 as shown in Figure 1, this kind of methane-desulfurizing device includes sucking tower 100 and regenerator 200 Setting Q ring filler layer 108 in inside carries out preliminary treatment by 108 pairs of unstripped gas of Q ring filler layer, porcelain is arranged inside regenerator 200 Raschig ring filler layer 207 is handled by the desulfurizing agent after 207 pairs of porcelain Raschig ring filler layer reactions, can recycle benefit With setting clean gas outlet 102 and the desulfurizing agent import 103 of top setting simultaneously, suck below tower 100 and set above sucking tower 100 Set raw material gas inlet 101 and lower section at the same be arranged desulfurizing agent outlet 104, unstripped gas can from raw material gas inlet 101 enter sucking tower 100 are handled through Q ring filler layer 108, from the desulfurizing agent that desulfurizing agent import 103 enters from the 100 downward spray in top of sucking tower, are realized With the unstripped gas counter current contacting entered from raw material gas inlet 101, purified gas can be discharged from clean gas outlet 102, de- after reaction Sulphur agent can export 104 discharges from desulfurizing agent；Desulfurizing agent outlet 104 is connected to and in communication with regenerator import 203, regenerator outlet 202 are connected to and in communication with desulfurizing agent import 103, and desulfurizing agent can flow to regenerator 200 from sucking tower 100, the porcelain through regenerator 200 Desulfurizing agent is returned in sucking tower 100 again after the processing of Raschig ring filler layer 207.

The specific implementation steps are as follows:

(1) raw material gas inlet 101 of sucking tower 100 is opened, unstripped gas enters sucking tower 100 from raw material gas inlet 101, It sucks and passes through 108 preliminary treatment of Q ring filler layer inside tower 100；

(2) the desulfurizing agent import 103 for opening simultaneously sucking tower 100, the desulfurizing agent above sucking tower 100 spray downwards Leaching carries out counter current contacting with upward unstripped gas, reacts, realize the desulfurization process of unstripped gas.

(3) unstripped gas by purification is flowed out from the clean gas outlet 102 of sucking tower 100, and the desulfurization after reaction Agent is discharged from the desulfurizing agent outlet 104 of sucking tower 100,

(4) desulfurizing agent after reaction enters regenerator 200 after 104 discharge of desulfurizing agent outlet, by being located at regeneration After porcelain Raschig ring filler layer 207 inside tower 200 is handled, desulfurizing agent is being recycled into sucking tower 100, realizes the circulation of desulfurizing agent It utilizes, and SO₂It is separated from desulfurizing agent, from the SO of regenerator 200₂Exhaust outlet 204 is discharged.

It is individually compared using sucking tower 100 compared with the methane-desulfurizing device in technology, biogas provided by the utility model Desulfurizer has sucking tower 100 and regenerator 200 simultaneously, and the outlet of sucking tower 100 is connected to the entrance of regenerator 200, then The outlet of raw tower 200 is connected to the entrance of sucking tower 100, and desulfurizing agent is behind 100 inside of sucking tower and unstripped gas counter current contacting, warp The outlet of sucking tower 100 is discharged into regenerator 200, after the porcelain Raschig ring filler layer 207 inside regenerator 200 is handled, again It is discharged into sucking tower 100 from the outlet of regenerator 200, to realize recycling for desulfurizing agent.

As a kind of preferred embodiment of the present embodiment, for the desulfurizing agent cooling to flow direction sucking tower 100 and from sucking tower Desulfurizing agent heating after the reaction of 100 discharges, the methane-desulfurizing device of the utility model further includes heat exchanger 300, heat Exchanger 300 is set between sucking tower 100 and regenerator 200, and heat exchanger 300 exports 104, regeneration with desulfurizing agent simultaneously Tower import 203, regenerator outlet 202 and desulfurizing agent import 103 connect, and desulfurizing agent outlet 104 and regenerator import 203 are in heat It is connected to inside amount exchanger 300, desulfurizing agent import 103 is connected to inside heat exchanger 300 with regenerator outlet 202, specifically Ground, the desulfurizing agent being discharged from sucking tower 100 absorb the heat of the desulfurizing agent come out from regenerator 200 when passing through heat exchanger 300 Amount, while to the desulfurizing agent cooling come out from regenerator 200, improve the utilization efficiency of heat.One kind as the present embodiment Preferred embodiment, in order to further to enter sucking tower 100 desulfurizing agent cooling, spray it in fluid form, desulfurizing agent into Also set up cooler 106 between mouthfuls 103 and regenerator outlet 202, cooler 106 simultaneously with desulfurizing agent import 103 and regenerator Outlet 202 is connected to and in communication with.

As a kind of preferred embodiment of the present embodiment, in order to which the desulfurizing agent that will be come out from regenerator 200 is more preferable, faster Back to sucking tower 100, desulfurizing agent pump 107, desulfurizing agent pump 107 are also set up between desulfurizing agent import 103 and regenerator outlet 202 The desulfurizing agent for being placed in regenerator 200 can be made to be discharged into sucking tower 100.

As a kind of preferred embodiment of the present embodiment, in order to quickly and conveniently adjust the spray rate of desulfurizing agent, it is located at and inhales At least one is arranged in the desulfurizing agent import 103 entered on tower 100, and check valve 105 is arranged close on the pipeline of desulfurizing agent import 103, Time and the flow that desulfurizing agent enters sucking tower 100 are controlled by check valve 105.

As a kind of preferred embodiment of the present embodiment, contain liquid in purified gas in order to prevent, further includes purified gas gas-liquid Separator 110, purified gas gas-liquid separator 110 are connected to and in communication with clean gas outlet 102.

As a kind of preferred embodiment of the present embodiment, enter in the unstripped gas of sucking tower 100 in order to prevent and contain liquid, also Including unstripped gas gas-liquid separator 109, unstripped gas gas-liquid separator 109 is connected to and in communication with raw material gas inlet 101.

As a kind of preferred embodiment of the present embodiment, in order to further contain SO₂Desulfurizing agent processing more It thoroughly, further include reboiler 201, by reboiler 201 to containing SO₂Desulfurizing agent heated, realize SO₂Evaporation, from And achieve the purpose that desulfurization, while desulfurizing agent can also reuse, wherein reboiler 201 is adjacent with regenerator 200, and with again Raw tower 200 is connected to and in communication with.

As a kind of preferred embodiment of the present embodiment, SO₂After being separated from desulfurizing agent, from the SO of regenerator 200₂Exhaust outlet 204 discharges, other gases are discharged in order to prevent, need to being mixed in SO₂In other gas coolings, further include SO₂Cooler 205, SO₂Cooler 205 is set on regenerator 200 and is connected to and in communication with regenerator 200, SO₂Cooler 205 can make to remove SO₂Other gases in addition form liquid.

As a kind of preferred embodiment of the present embodiment, in order to further include SO by the liquid being cooled separation₂Gas-liquid separator 206, SO₂Gas-liquid separator 206 and SO₂Cooler 205 is connected to and in communication with.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims

1. a kind of methane-desulfurizing device, which is characterized in that including sucking tower (100) and regenerator (200), in which: the sucking Q ring filler layer (108) are set inside tower (100), porcelain Raschig ring filler layer (207) are set inside the regenerator (200), it is described It sucks setting clean gas outlet (102) above tower (100) and desulfurizing agent import (103) is arranged in top simultaneously, the sucking tower (100) raw material gas inlet (101) are arranged in lower section and desulfurizing agent outlet (104) is arranged in lower section simultaneously, and unstripped gas can be from the raw material Gas import (101) is handled through the Q ring filler layer (108) into the sucking tower (100), with from the desulfurizing agent import (103) the desulfurizing agent counter current contacting entered, purified gas can be discharged from the clean gas outlet (102), the desulfurizing agent energy after reaction It is discharged from desulfurizing agent outlet (104)；

Desulfurizing agent outlet (104) is connected to and in communication with the regenerator import (203), the regenerator outlet (202) and The desulfurizing agent import (103) is connected to and in communication with, and the desulfurizing agent being discharged from sucking tower (100) is through the regenerator (200) The internal porcelain Raschig ring filler layer (207) processing can enter back into the sucking tower (100).

2. a kind of methane-desulfurizing device according to claim 1, which is characterized in that further include heat exchanger (300), institute It states heat exchanger (300) to be set between the sucking tower (100) and the regenerator (200), the heat exchanger (300) (202) and institute are exported with desulfurizing agent outlet (104), the regenerator import (203), the regenerator simultaneously Desulfurizing agent import (103) connection is stated, the desulfurizing agent outlet (104) and the regenerator import (203) are exchanged in the heat Connection inside device (300), the desulfurizing agent import (103) and regenerator outlet (202) are in the heat exchanger (300) Inside connection.

3. a kind of methane-desulfurizing device according to claim 1, which is characterized in that the desulfurizing agent import (103) and institute State regenerator outlet (202) between also set up cooler (106), the cooler (106) simultaneously with the desulfurizing agent import (103) it is connected to and in communication with regenerator outlet (202).

4. a kind of methane-desulfurizing device according to claim 1, which is characterized in that the desulfurizing agent import (103) and institute It states and also sets up desulfurizing agent pump (107) between regenerator outlet (202), the desulfurizing agent pump (107) can make to be placed in the regenerator (200) the desulfurizing agent is discharged into the sucking tower (100).

5. a kind of methane-desulfurizing device according to claim 1, which is characterized in that be located on the sucking tower (100) At least one is arranged in the desulfurizing agent import (103), and check valve is arranged close on the pipeline of the desulfurizing agent import (103) (105)。

6. a kind of methane-desulfurizing device according to claim 1, which is characterized in that further include purified gas gas-liquid separator (110), the purified gas gas-liquid separator (110) is connected to and in communication with the clean gas outlet (102).

7. a kind of methane-desulfurizing device according to claim 1, which is characterized in that further include unstripped gas gas-liquid separator (109), the unstripped gas gas-liquid separator (109) is connected to and in communication with the raw material gas inlet (101).

8. a kind of methane-desulfurizing device described in any claim according to claim 1~7, which is characterized in that further include again It boils device (201), the reboiler (201) is adjacent with the regenerator (200), and is connected to and in communication with the regenerator (200).

9. a kind of methane-desulfurizing device according to claim 8, which is characterized in that further include SO₂Cooler (205), it is described SO₂Cooler (205) is set on the regenerator (200) and is connected to and in communication with the regenerator (200).

10. a kind of methane-desulfurizing device according to claim 9, which is characterized in that further include SO2 gas-liquid separator (206), the SO₂Gas-liquid separator (206) and the SO₂Cooler (205) is connected to and in communication with.