CN204891575U - Low sulfur content natural gas solution desulfurization system that dives - Google Patents
Low sulfur content natural gas solution desulfurization system that dives Download PDFInfo
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- CN204891575U CN204891575U CN201520549955.2U CN201520549955U CN204891575U CN 204891575 U CN204891575 U CN 204891575U CN 201520549955 U CN201520549955 U CN 201520549955U CN 204891575 U CN204891575 U CN 204891575U
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Abstract
The utility model belongs to a natural gas clean system specifically provides a low sulfur content natural gas solution desulfurization system that dives, including tympanic bulla tower, vapour and liquid separator, storage tank, the entry of tympanic bulla tower bottom is connected with first pipe, desulfurizer pipe respectively, and overflow pipe and vapour and liquid separator's entry linkage is passed through in the export of tympanic bulla tower, and vapour and liquid separator's liquid outlet passes through second pipe and storage tank entry linkage, and pending containing inside the sulphur natural gas gets into the tympanic bulla tower through first pipe, the desulfurizer passes through the desulfurizer pipe and gets into inside the tympanic bulla tower. The problem of adopt among the prior art desulfurizing tower to the desulfurization process of the natural gas cause the operation complicated, waste time and energy, work efficiency is low to and the useless desulfurizer recovery processing difficulty degree of tradition, and accompany the potential safety hazard is solved, it is convenient to have easy operation, and fail safe nature is high, advantage that whole work efficiency is high.
Description
Technical field
The utility model belongs to a kind of natural gas purification system, is specifically related to a kind of low latent sulfur content natural gas solution desulphurization system.
Background technology
Natural gas is a kind of generally acknowledged environmental protection fuel, have caloric value high, pollute less, the advantage such as easy to use, be widely used as city gas and industrial enterprise's fuel.But, contain the acidic components such as hydrogen sulfide sometimes from the natural gas of stratum institute extraction.Hydrogen sulfide is a kind of extremely toxic substance, can serious harm health.In addition, the existence of hydrogen sulfide also can cause e-quipment and pipe to corrode.Therefore, when hydrogen sulfide content in natural gas exceedes national standard permissible value, desulfurization process must be carried out to natural gas.
According to element sulphur quality contained in natural gas number, the desulfurization treatment scale of natural gas can be divided into low latent sulfur content (elementary sulfur lower than 0.1t/d), in dive sulfur content (elementary sulfur of 0.1 ~ 30t/d) and height to dive sulfur content (elementary sulfur higher than 30t/d) scale.For the purification of low latent sulfur content natural gas, usually adopt ferric oxide solid dry desulfurizing process at present.The desulfurization principle of this technique is that solid oxidation iron and hydrogen sulfide generation chemical reaction generate Fe
2s
3, chemical equation is Fe
2o
3+ 3H
2s → Fe
2s
3+ 3H
2o, this processing mode needs employing two desulfurizing towers to carry out blocked operation, when a desulfurizing tower is saturated, another desulfurizing tower must be switched to and carry out desulfurization, also must change desulfurizing agent simultaneously, thus this mode complicated operation, waste time and energy, and due to waste desulfurizing agent contact with air after very easily there is spontaneous combustion, so waste desulfurizing agent recycling degree of difficulty can be strengthened, and along with potential safety hazard.
Utility model content
The purpose of this utility model overcomes in prior art to adopt the desulfurization process of desulfurizing tower to natural gas to cause complicated operation, waste time and energy, inefficiency, and traditional waste desulfurizing agent recycling degree of difficulty, and along with the problem of potential safety hazard.
For this reason, the utility model provides a kind of low latent sulfur content natural gas solution desulphurization system, comprise bubble tower, gas-liquid separator, storage tank, entrance bottom described bubble tower is connected to the first conduit, desulfurizing agent conduit, the outlet of bubble tower is connected with the entrance of gas-liquid separator by overflow pipe, the liquid outlet of gas-liquid separator is connected with reservoir inlet by the second conduit, pending sulfur-containing gas enters bubble tower inside by the first conduit, and desulfurizing agent enters bubble tower inside by desulfurizing agent conduit.
Described desulfurizing agent conduit is connected with pump.
Described second conduit is connected with control valve.
Described first conduit is connected with bubble tower entrance by a three-way pipe with desulfurizing agent conduit.
The beneficial effects of the utility model:
This low latent sulfur content natural gas solution desulphurization system that the utility model provides, owing to adopting the triazine aqueous solution as desulfurizing agent, not only makes waste desulfurizing agent recycle convenient, and is conducive to the security reliability of the desulfurization course of work.
Due to described desulfurizing agent conduit being connected with pump.Supplement the triazine aqueous solution and the lasting discharge to the useless triazine aqueous solution by the effect of pump to continuing in bubble tower, relative conventional art adopts the desulfurization method of desulfurizing tower, and without the need to carrying out the switching between device again, simple and convenient, security reliability is high.
Owing to being connected with control valve on the second conduit.Conveniently can be controlled the reserves of the useless triazine aqueous solution in gas-liquid separator by control valve, ensure that the desulfurization working stability in bubble tower continues to carry out.
Because described first conduit is connected with bubble tower entrance by a three-way pipe with desulfurizing agent conduit.This structure enters bubble tower after can making sulfur-containing gas and triazine aqueous solution, ensures the continuation of desulfurization, ageing, can increase work efficiency.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Description of reference numerals: 1, bubble tower; 2, overflow pipe; 3, gas-liquid separator; 4, storage tank; 5, pump; 6, control valve; 7, the first conduit; 8, desulfurizing agent conduit; 9, the second conduit.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, a kind of low latent sulfur content natural gas solution desulphurization system, comprise bubble tower 1, gas-liquid separator 3, storage tank 4, entrance bottom described bubble tower 1 is connected to the first conduit 7, desulfurizing agent conduit 8, the outlet of bubble tower 1 is connected by the entrance of overflow pipe 2 with gas-liquid separator 3, the liquid outlet of gas-liquid separator 3 is connected with reservoir inlet 4 by the second conduit 9, it is inner that pending sulfur-containing gas enters bubble tower 1 by the first conduit 7, and it is inner that desulfurizing agent enters bubble tower 1 by desulfurizing agent conduit 8.The described triazine aqueous solution, the mass concentration of triazine is 10 ~ 60%.Described desulfurizing agent conduit 8 is connected with pump 5.Under the effect of pump 5, the triazine aqueous solution enters bottom bubble tower 1 by desulfurizing agent conduit 8 continuously, make the lasting supply of desulfurizing agent, ensure functional reliability, continue to enter bottom bubble tower 1 simultaneously along with sulfur-containing gas, in bubble tower, sulfur-containing gas contacts with the triazine aqueous solution with the form of bubble, along with the rising of bubble, the hydrogen sulfide in bubble gradually absorb by the triazine aqueous solution of surrounding.The desulfurizing agent being imported bubble tower 1 by desulfurizing agent conduit 8 is the triazine aqueous solution, and the chemical equation of triazine contained by the triazine aqueous solution and pending sulfur-containing gas hydrogen sulfide content is:
The purified natural gas that bubbling tower top is discharged and the useless triazine aqueous solution flow in gas-liquid separator 3 by overflow pipe 2, and gas-liquid separator 3 top is purified natural gas, derives through gas vent; The triazine aqueous solution that gives up bottom gas-liquid separator 3 enters storage tank 4 by the second conduit 9 and stores, and completes the sweetening process of whole sulfur-containing gas.
The utility model adopts the triazine aqueous solution as desulfurizing agent, and triaizine compounds is a kind of hexatomic ring compound containing nitrogen-atoms.Triazine molecule can generate thiadiazine with hydrogen sulfide fast reaction, and thiadiazine can also continue to generate dithiazine with other a part hydrogen sulfide slow reaction.These two kinds of desulfurization products are low toxicity, water-soluble liquid, can be dissolved in the water, and not only make waste desulfurizing agent recycle convenient, and due to triaizine compounds toxicity low and nonflammable, be conducive to the security reliability of the desulfurization course of work.
Meanwhile, by the continuous supplementation triazine aqueous solution and the lasting discharge to the useless triazine aqueous solution, relative conventional art adopts the desulfurization method of desulfurizing tower, and without the need to carrying out the switching between device again, simple and convenient, security reliability is high.
When the mass concentration that the temperature of pending sulfur-containing gas controls triazine within the scope of 3 ~ 40 DEG C, in the triazine aqueous solution be 10 ~ 60%, the mass ratio of the triazine aqueous solution and sulfur-containing gas hydrogen sulfide content be 3 ~ 10 time, desulfurized effect of the present utility model can reach best condition.
Embodiment 2:
On the basis of embodiment 1, as shown in Figure 1, described second conduit 9 is connected with control valve 6.Conveniently can be controlled the reserves of the useless triazine aqueous solution in gas-liquid separator 3 by control valve 6, ensure that the desulfurization working stability in bubble tower 1 continues to carry out.
Embodiment 3:
On the basis of embodiment 1, as shown in Figure 1, described first conduit 7 is connected with bubble tower 1 entrance by a three-way pipe with desulfurizing agent conduit 8.This structure not only connects simply, convenience, and it is inner to enter bubble tower 1 after can making sulfur-containing gas and triazine aqueous solution, ensures the continuation of desulfurization, ageing, can increase work efficiency.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (4)
1. one kind low latent sulfur content natural gas solution desulphurization system, it is characterized in that: comprise bubble tower (1), gas-liquid separator (3), storage tank (4), the entrance of described bubble tower (1) bottom is connected to the first conduit (7), desulfurizing agent conduit (8), the outlet of bubble tower (1) is connected by the entrance of overflow pipe (2) with gas-liquid separator (3), the liquid outlet of gas-liquid separator (3) is connected with reservoir inlet (4) by the second conduit (9), it is inner that pending sulfur-containing gas enters bubble tower (1) by the first conduit (7), it is inner that desulfurizing agent enters bubble tower (1) by desulfurizing agent conduit (8).
2. low latent sulfur content natural gas solution desulphurization system as claimed in claim 1, is characterized in that: described desulfurizing agent conduit (8) is connected with pump (5).
3. low latent sulfur content natural gas solution desulphurization system as claimed in claim 1, is characterized in that: described second conduit (9) is connected with control valve (6).
4. low latent sulfur content natural gas solution desulphurization system as claimed in claim 1, is characterized in that: described first conduit (7) is connected with bubble tower (1) entrance by a three-way pipe with desulfurizing agent conduit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520549955.2U CN204891575U (en) | 2015-07-27 | 2015-07-27 | Low sulfur content natural gas solution desulfurization system that dives |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520549955.2U CN204891575U (en) | 2015-07-27 | 2015-07-27 | Low sulfur content natural gas solution desulfurization system that dives |
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| Publication Number | Publication Date |
|---|---|
| CN204891575U true CN204891575U (en) | 2015-12-23 |
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ID=54913791
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|---|---|---|---|
| CN201520549955.2U Active CN204891575U (en) | 2015-07-27 | 2015-07-27 | Low sulfur content natural gas solution desulfurization system that dives |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693644A (en) * | 2015-07-27 | 2017-05-24 | 西安长庆科技工程有限责任公司 | Solution desulfurization system for natural gas with low latent sulfur content |
| CN108246079A (en) * | 2016-12-28 | 2018-07-06 | 天津普洛仙科技有限公司 | A kind of sulfurous gas processing unit |
-
2015
- 2015-07-27 CN CN201520549955.2U patent/CN204891575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693644A (en) * | 2015-07-27 | 2017-05-24 | 西安长庆科技工程有限责任公司 | Solution desulfurization system for natural gas with low latent sulfur content |
| CN108246079A (en) * | 2016-12-28 | 2018-07-06 | 天津普洛仙科技有限公司 | A kind of sulfurous gas processing unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |