CN203837992U - Raw gas pretreatment system - Google Patents
Raw gas pretreatment system Download PDFInfo
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- CN203837992U CN203837992U CN201420241634.1U CN201420241634U CN203837992U CN 203837992 U CN203837992 U CN 203837992U CN 201420241634 U CN201420241634 U CN 201420241634U CN 203837992 U CN203837992 U CN 203837992U
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- 239000002253 acid Substances 0.000 claims abstract description 20
- 239000002274 desiccant Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 30
- 238000002309 gasification Methods 0.000 abstract description 10
- 239000003245 coal Substances 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 230000002452 interceptive effect Effects 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 8
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- -1 sulphuric dioxide Chemical compound 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a raw gas pretreatment system and relates to the technical field of coal underground gasification. The system is invented for improving the raw gas purification effect. The raw gas pretreatment system comprises a first container, a second container, a third container and a fourth container which are sequentially communicated with one another, wherein an acid solution is contained in the first container; drying agents are contained in the second container and the third container; a desulfurizing agent is contained in the fourth container; when the raw gas pretreatment system works, raw gas sequentially passes through the first container, the second container, the third container and the fourth container. The raw gas pretreatment system is used for purifying the raw gas.
Description
Technical field
The utility model relates to coal underground gasification technology field, relates in particular to a kind of raw gas pretreatment system
Background technology
Underground coal gasification(UCG) is the coal in underground directly to be had to the burning of control, the process that heat effect and the chemical action by coal produces inflammable gas.Become tradition and mine and mine for chemistry, saved the equipment of the techniques such as huge coal mining, transportation, washing, gasification, thus have that security is good, small investment, high efficiency, the pollution advantage such as less.The active principle of the raw gas that the gasification furnace of underground coal gasification(UCG) produces comprises: hydrogen, methane, carbon monoxide, carbon dioxide, nitrogen etc.; Interfering component comprises: water vapor, ammonia, coal ash, tar, sulphuric dioxide, sulfuretted hydrogen etc.Therefore, the gasification furnace of underground coal gasification(UCG) is in operational process, to the analysis of each component of raw gas and monitoring, be very important, by analyzing exactly the component concentration in raw gas and calculating the calorific value of coal gas, for judging whether whether success and the operation of gasification furnaceman skill provide accurate foundation smoothly in gasification furnace igniting.For meeting the requirement of the analytical equipments such as gas chromatograph to raw gas air inlet; guarantee the accuracy that in raw gas, key component is analyzed; protection analytical equipment also extends the serviceable life of analytical equipment; conventionally need to carry out necessary pre-service to raw gas; to remove interfering component, raw gas is purified.
At present, in the preprocess method of raw gas, pretreated methods be not quite similar and effect different, but be difficult to be purified preferably through pretreated raw gas, the effect of removing interfering component is poor, be difficult to reach the air inlet requirement of gas chromatograph, be unfavorable for follow-up monitoring and the use of raw gas.
Utility model content
Embodiment of the present utility model provides a kind of raw gas pretreatment system, can improve the clean-up effect to raw gas.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A raw gas pretreatment system, comprising: the first container, second container, the 3rd container and the 4th container that are communicated with successively, be equipped with acid solution in described the first container; In described second container and described the 3rd container, drying agent is all housed; In described the 4th container, desulfurizing agent is housed; During described raw gas pretreatment system work, raw gas is successively by described the first container, described second container, described the 3rd container and described the 4th container.
Further, also comprise draft tube and escape pipe, one end of described draft tube is used for inputting raw gas, and the other end is communicated with the top of described the first container; The top of described the first container is communicated with the bottom of described second container; The top of described second container is communicated with the bottom of described the 3rd container; The top of described the 3rd container is communicated with the bottom of the 4th container; One end of described escape pipe is communicated with the top of described the 4th container, and the other end is for exporting the raw gas after processing.
Further, described draft tube is acidproof material, one end that described draft tube is communicated with the top of described the first container is positioned at below the liquid level of described acid solution, the top of described the first container and the bottom of described second container are by the pipeline communication of acidproof material, and the top of described second container is communicated with by steel pipe with the bottom of described the 3rd container; The top of described the 3rd container is communicated with by steel pipe with the bottom of the 4th container.
Further, also comprise the first connecting pipe and the second connecting pipe, described the first connecting pipe and described the second connecting pipe are all communicated with described escape pipe, described the first connecting pipe and described the second connecting pipe are communicated with by detector tube, on described escape pipe, between described the first connecting pipe and the second connecting pipe, are provided with needle valve.
Further, position corresponding with described detector tube on described the first connecting pipe is provided with reducing connector, and described reducing connector is communicated with by emulsion tube with one end of described detector tube; Position corresponding with described detector tube on described the second connecting pipe is provided with reducing connector, and described reducing connector is communicated with by emulsion tube with the other end of described detector tube.
Further, the pipeline between described the first connecting pipe and described detector tube is provided with needle valve, and the pipeline between described the second connecting pipe and described detector tube is provided with needle valve.
Further, also comprise the 3rd connecting pipe, one end of described the 3rd connecting pipe is communicated with described escape pipe, and the other end is communicated with described draft tube, on described escape pipe, between the two ends by needle valve and described the 3rd connecting pipe, the position corresponding with described the second connecting pipe, is communicated with.
Further, described escape pipe is provided with T-valve and hygronom, and described the 3rd connecting pipe is communicated with described escape pipe by described T-valve, and described hygronom is between described the second connecting pipe and described T-valve.
Further, described T-valve is three-way solenoid valve, and described hygronom is connected with described three-way solenoid valve by feed back control system, and the humidity data that described feed back control system can record according to hygronom is controlled described three-way solenoid valve.
Further, also comprise the 4th connecting pipe being communicated with described escape pipe, the connectivity points of described the 4th connecting pipe and described escape pipe is between described the second connecting pipe and described hygronom, described the 4th connecting pipe is communicated with described escape pipe by the 5th container, and the connectivity points of described the 5th container and described escape pipe is positioned at the position, gas outlet near described escape pipe, in described the 5th container, drying agent is housed.
Further, described the 5th container two ends size is less than intermediate sizes, described the 4th connecting pipe is provided with reducing connector, and the position near gas outlet on described escape pipe is provided with reducing connector, and described two reducing connectors are communicated in respectively the two ends of described the 5th container by emulsion tube.
Further, described draft tube is provided with the first non-return valve and air pump, described the first non-return valve is near the air intake opening setting of described draft tube, described air pump is away from the air intake opening setting of described draft tube, pipeline between described air pump and described the first container is provided with needle valve, the tie point of described the 3rd connecting pipe and described draft tube is between described the first non-return valve and air pump, and described the 3rd connecting pipe is provided with the second non-return valve.
The raw gas pretreatment system that the utility model embodiment provides, by making raw gas pass through successively described the first container, described second container, described the 3rd container and described the 4th container.Acid solution in described the first container can be to lowering the temperature, remove the interfering components such as coal ash in raw gas, tar, ammonia to raw gas; Drying agent in described second container can be dried raw gas; Drying agent in described the 3rd container can further make raw gas dry; Desulfurizing agent in described the 4th container, the sulfocompound in adsorbable raw gas, to reach the object of sulfocompounds such as removing sulphuric dioxide, sulfuretted hydrogen.Thereby can remove preferably the interfering component in raw gas by making raw gas pass through successively container described in each, realize the purification to raw gas, be conducive to meet the air inlet requirement of gas chromatograph and other analytical equipments.Thus, improved the clean-up effect of raw gas.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of a kind of raw gas pretreatment system of the utility model embodiment;
Fig. 2 is the partial schematic diagram of A portion in Fig. 1;
Fig. 3 is the partial schematic diagram of B portion in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
Term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " be only for describing, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ", " the 3rd ", " the 4th ", " the 5th ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
With reference to Fig. 1, a specific embodiment of a kind of raw gas pretreatment system that Fig. 1 provides for the utility model embodiment, described raw gas pretreatment system, comprising: in the first container 1, second container 2, the 3rd container 3 and the 4th container 4, the first containers 1 that are communicated with successively, acid solution is housed; The interior drying agent that is all equipped with of described second container 2 and the 3rd container 3; In the 4th container 4, desulfurizing agent is housed; During described raw gas pretreatment system work, raw gas is successively by the first container 1, second container 2, the 3rd container 3 and the 4th container 4.
The raw gas pretreatment system that the utility model embodiment provides, by making raw gas successively through the first container 1, second container 2, the 3rd container 3 and the 4th container 4.Acid solution in the first container 1 can be to lowering the temperature, remove the interfering components such as coal ash in raw gas, tar, ammonia to raw gas; Drying agent in second container 2 can be removed the interfering components such as water vapor, and raw gas is dried; Drying agent in the 3rd container 3 can further make raw gas dry; Desulfurizing agent in the 4th container 4, the sulfocompound in adsorbable raw gas, to reach the object of sulfocompounds such as removing sulphuric dioxide, sulfuretted hydrogen.Thereby can remove preferably the interfering component in raw gas by making raw gas pass through successively container described in each, realize the purification to raw gas, be conducive to meet the air inlet requirement of gas chromatograph and other analytical equipments.Thus, improved the clean-up effect of raw gas.
Described acid solution can be selected aqueous hydrochloric acid solution or aqueous sulfuric acid, and wherein, described aqueous hydrochloric acid solution or described aqueous sulfuric acid concentration are 5%～20%.Adopt lower aqueous hydrochloric acid solution or the described aqueous sulfuric acid of concentration can prevent the active principle generation chemical reaction in acid solution and raw gas, cause effective constituent to reduce, affect the pretreating effect of raw gas.Thus, further improve the pretreating effect of raw gas.
Drying agent in second container 2 can be selected anhydrous calcium chloride.Due to the effective constituent generation chemical reactions such as carbon dioxide in anhydrous calcium chloride difficulty and raw gas, thereby can prevent active principle and the drying agent generation chemical reaction in raw gas, cause effective constituent to reduce, affect the pretreating effect of raw gas.Thus, further improve the pretreating effect of raw gas.
Drying agent in the 3rd container 3 can be selected discolour silica gel or anhydrous cupric sulfate, because discolour silica gel and anhydrous cupric sulfate all have stronger suction-operated to water vapor, and can variable color after absorbing water vapor, therefore, can utilize discolour silica gel or anhydrous cupric sulfate further to absorb the water vapor in raw gas, and according to the removal effect of its variable color situation judgement water vapor, simultaneously, be conducive to judge according to variable color situation whether discolour silica gel or anhydrous cupric sulfate can continue planar water steam, thereby be conducive to change in time anhydrous calcium chloride and discolour silica gel or anhydrous cupric sulfate.Thus, can further improve the clean-up effect of raw gas.
Described desulfurizing agent can be selected ferric oxide desulfurizer, the sulfocompounds such as the sulphuric dioxide in the adsorbable raw gas of ferric oxide desulfurizer, sulfuretted hydrogen, because the Sulfur capacity of ferric oxide desulfurizer is large, usability is stable, the advantages such as price is low, and desulfurized effect is better, therefore, can improve the clean-up effect to raw gas.Thus, can further improve the clean-up effect to raw gas.
In order further to remove the interfering component of raw gas, improve the clean-up effect to raw gas, described raw gas pretreatment system also comprises draft tube 5 and escape pipe 6, and one end of draft tube 5 is used for inputting raw gas, and the other end is communicated with the top of the first container 1; The top of the first container 1 is communicated with the bottom of second container 2; The top of second container 2 is communicated with the bottom of the 3rd container 3; The top of the 3rd container 3 is communicated with the bottom of the 4th container 4; One end of escape pipe 6 is communicated with the top of the 4th container 4, and the other end is for exporting the raw gas after processing.Raw gas can be entered from the bottom of container described in each, from top output, thereby be conducive to make raw gas more abundant with contacting of reagent in container described in each, clean-up effect is got a promotion.Thus, can further improve the clean-up effect of raw gas.
Owing in the first container 1, acid solution being housed, therefore, corrosion for fear of described acid solution to pipeline, draft tube 5 can be selected acidproof material, particularly, the part that draft tube 5 contacts with the first container 1 can be selected the connection that matches with emulsion tube of glass tube or glass tube, the bottom of the top of the first container 1 and described second container 2 for example, by the connection that matches with emulsion tube of glass tube or glass tube: the glass tube that the first container 1 is 10mm～15mm with second container 2 by diameter coordinates emulsion tube to be connected, the top of described second container 2 is communicated with by steel pipe with the bottom of described the 3rd container 3, the top of described the 3rd container 3 is communicated with by steel pipe with the bottom of the 4th container 4, simultaneously, in order to improve described acid solution to entering the clean-up effect of the raw gas in the first container 1, the one end that draft tube 5 should be communicated with the top of the first container 1 is arranged at below the liquid level of described acid solution, distance the first container bottom 10mm left and right, make raw gas directly enter described acid solution inner, thereby described acid solution is strengthened to the clean-up effect of raw gas, and more than the tie point of the top of the first container 1 and described second container 2 is positioned at the liquid level of described acid solution, thereby avoid described acid solution to enter described in follow-up each in container.Thus, can further improve the clean-up effect of raw gas.
Owing in the first container 1, acid solution being housed, therefore, in order to prevent that described acid solution from corroding the container that the first container 1, the first container 1 can be selected glass material, second container 2, the 3rd container 3 and described the 4th container 4 are glass material container or steel vessel.The container of glass material is convenient to observe internal tank, and the intensity of steel vessel is higher, when second container 2, the 3rd container 3 and described the 4th container 4 are steel vessel, can on the sidewall of second container 2, the 3rd container 3 and described the 4th container 4, view window (not shown) be set, view window can be glass view window processed, so that observe the situation of change of reagent in each container.
With reference to Fig. 2, for the ease of the interfering component in raw gas is monitored, judge in time the clean-up effect of raw gas, described raw gas pretreatment system also comprises the first connecting pipe 7 and the second connecting pipe 8, the first connecting pipe 7 and the second connecting pipe 8 are all communicated with escape pipe 6, the first connecting pipe 7 and the second connecting pipe 8 are communicated with by detector tube 9, on escape pipe 6, between the first connecting pipe 7 and the second connecting pipe 8, be provided with needle valve 10, detector tube 9 can be selected sulfuretted hydrogen detector tube, ammonia detector tube, benzene detector tube, toluene detector tube, sulphuric dioxide detector tube or carbon disulphide detector tube etc.After raw gas is exported from the 4th container 4, can enter detector tube 9 by the first connecting pipe 7, by observing the variable color situation of detector tube, the clean-up effect of judgement raw gas, for example: when detector tube 9 is selected sulfuretted hydrogen detector tube, can be by observing the variable color situation of described sulfuretted hydrogen detector tube, the clean-up effect of judgement to the sulfuretted hydrogen in raw gas.
Because the two ends size of detector tube is less than intermediate sizes conventionally, therefore, for convenient, connect, position corresponding with detector tube 9 on the first connecting pipe 7 is provided with reducing connector 11, and described reducing connector 11 is communicated with by emulsion tube 12 with one end of detector tube 9; Position corresponding with detector tube 9 on the second connecting pipe 8 is provided with reducing connector 11, and reducing connector 11 is communicated with by emulsion tube 12 with the other end of detector tube 9.
For the ease of controlling the monitoring to the interfering component of raw gas, can on the pipeline between the first connecting pipe 7 and detector tube 9, needle valve 10 be set, on the pipeline between the second connecting pipe 8 and described detector tube 9, needle valve 10 is set.Thereby can control the air inlet of detector tube 9 and give vent to anger by described needle valve 10, be conducive to the control to the observation process of raw gas interfering component.
Because the interfering component in raw gas is more, in order to monitor preferably the clean-up effect of each interfering component in raw gas, detector tube 9 at least arranges three.Described three detector tubes 9 can select sulfuretted hydrogen detector tube, ammonia detector tube, benzene detector tube, toluene detector tube, sulphuric dioxide detector tube or carbon disulphide detector tube etc. can detect the detector tube of the interfering component in raw gas arbitrarily.
Described raw gas pretreatment system also comprises that one end of the 3rd connecting pipe 13, the three connecting pipes 13 is communicated with escape pipe 6, and the other end and draft tube 5 are logical, and position corresponding with the second connecting pipe 8 on escape pipe 6 is communicated with the 3rd connecting pipe 13 by needle valve 10.If the clean-up effect by detector tube 9 judgement raw gas is not good, can open needle valve 10, make raw gas from the second connecting pipe 8 outputs, enter the 3rd connecting pipe 13, by the 3rd connecting pipe 13, again enter draft tube 5, thereby realize the circularly purifying to raw gas.Thus, improved further the clean-up effect of raw gas.
With reference to Fig. 3, for the ease of the water vapor in raw gas is monitored, T-valve 14 and hygronom 15, the three connecting pipes 13 can be set on escape pipe 6 and by T-valve 14, be communicated with escape pipe 6, hygronom 15 is between the second connecting pipe 8 and T-valve 14.When raw gas is from the second connecting pipe 8 outputs, the water vapour content that can detect in raw gas by hygronom 15, thereby can the clean-up effect of Real-Time Monitoring to water vapor in raw gas, because the 3rd connecting pipe 13 is connected with escape pipe 6 by T-valve 14, therefore, when water vapour content in raw gas is too high, can raw gas be re-entered to draft tube 5 by the 3rd connecting pipe 13 by T-valve 14, thereby can again purify raw gas.Thus, can further improve the clean-up effect of raw gas.
For the ease of controlling, T-valve 14 can be selected three-way solenoid valve, and hygronom 15 is connected with described three-way solenoid valve by feed back control system 16, and the humidity data that feed back control system 16 can record according to hygronom 15 is controlled described three-way solenoid valve.Hygronom 15 can detect the content of water vapor in raw gas, and can pass through 16 pairs of three-way solenoid valve 9 transmission of control signals of feed back control system.When in raw gas, the content of water vapor surpasses parameter preset standard, described three-way solenoid valve is controlled raw gas and is again entered draft tube 5 by the 3rd connecting pipe 13, further purifies; When the water vapour content in raw gas does not surpass parameter preset standard, described three-way solenoid valve is controlled raw gas along escape pipe 6 outputs, thereby carries pretreated raw gas for gas chromatograph or other analytical equipments.
For fear of when hygronom 15 or feed back control system 16 break down, cannot monitor the water vapor in raw gas, described raw gas pretreatment system also comprises the 4th connecting pipe 17 being communicated with escape pipe 6, the connectivity points of the 4th connecting pipe 17 and escape pipe 6 is between the second connecting pipe 8 and hygronom 15, the 4th connecting pipe 17 is communicated with escape pipe 6 by the 5th container 18, and the 5th container 18 is positioned at the position near the gas outlet 61 of escape pipe 6 with the connectivity points of escape pipe 6, in the 5th container 18, drying agent is housed, and the drying agent in the 5th container 18 can be selected discolour silica gel or anhydrous cupric sulfate.When hygronom 15 or feed back control system 16 are difficult to normally use, can raw gas be introduced in the 5th container 18 by the 4th connecting pipe 17, due to equal changeable colour after discolour silica gel or anhydrous cupric sulfate chance water, therefore can be according to the variable color situation of discolour silica gel or anhydrous cupric sulfate, water vapor in raw gas is monitored, and further remove the water vapor in raw gas.
For the ease of being connected with pipeline, the two ends size of the 5th container 18 is less, for the ease of placing reagent, the intermediate sizes of the 5th container 18 is larger, the 4th connecting pipe 17 is provided with reducing connector 11, on escape pipe 6, the position of close gas outlet is provided with 11, two reducing connectors 11 of reducing connector and by emulsion tube 12, is communicated in respectively the two ends of the 5th container 18.
In order to improve the pretreated efficiency to raw gas, the first non-return valve 19 and air pump 20 can be set in draft tube 5, the first non-return valve 19 arranges near the air intake opening 51 of draft tube 5, air pump 20 arranges away from the air intake opening 51 of draft tube 5, pipeline between air pump 20 and the first container 1 is provided with needle valve 10, the tie point of the 3rd connecting pipe 13 and draft tube 5 is between the first non-return valve 19 and air pump 20, and the 3rd connecting pipe 13 is provided with the second non-return valve 21.Thereby can make the raw gas in draft tube 5 keep suitable pressure and flow by air pump, the first non-return valve 19 and the second non-return valve 21 can guarantee the normal input of raw gas, prevent that raw gas from flowing backwards, thereby guarantee normally carrying out the preprocessing process of raw gas.
Air pump 20 is electronic air extracting pump, and flow is 0.2～3L/min, goes out atmospheric pressure 0.05～0.1MPa.
In the description of this instructions, specific features, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (12)
1. a raw gas pretreatment system, is characterized in that, comprising: the first container, second container, the 3rd container and the 4th container that are communicated with successively, be equipped with acid solution in described the first container; In described second container and described the 3rd container, drying agent is all housed; In described the 4th container, desulfurizing agent is housed; During described raw gas pretreatment system work, raw gas is successively by described the first container, described second container, described the 3rd container and described the 4th container.
2. raw gas pretreatment system according to claim 1, is characterized in that, also comprises draft tube and escape pipe, and one end of described draft tube is used for inputting raw gas, and the other end is communicated with the top of described the first container; The top of described the first container is communicated with the bottom of described second container; The top of described second container is communicated with the bottom of described the 3rd container; The top of described the 3rd container is communicated with the bottom of the 4th container; One end of described escape pipe is communicated with the top of described the 4th container, and the other end is for exporting the raw gas after processing.
3. raw gas pretreatment system according to claim 2, it is characterized in that, described draft tube is acidproof material, one end that described draft tube is communicated with the top of described the first container is positioned at below the liquid level of described acid solution, the top of described the first container and the bottom of described second container are by the pipeline communication of acidproof material, and the top of described second container is communicated with by steel pipe with the bottom of described the 3rd container; The top of described the 3rd container is communicated with by steel pipe with the bottom of the 4th container.
4. raw gas pretreatment system according to claim 1, it is characterized in that, also comprise the first connecting pipe and the second connecting pipe, described the first connecting pipe and described the second connecting pipe are all communicated with described escape pipe, described the first connecting pipe and described the second connecting pipe are communicated with by detector tube, on described escape pipe, between described the first connecting pipe and the second connecting pipe, are provided with needle valve.
5. raw gas pretreatment system according to claim 4, is characterized in that, position corresponding with described detector tube on described the first connecting pipe is provided with reducing connector, and described reducing connector is communicated with by emulsion tube with one end of described detector tube; Position corresponding with described detector tube on described the second connecting pipe is provided with reducing connector, and described reducing connector is communicated with by emulsion tube with the other end of described detector tube.
6. raw gas pretreatment system according to claim 5, is characterized in that, the pipeline between described the first connecting pipe and described detector tube is provided with needle valve, and the pipeline between described the second connecting pipe and described detector tube is provided with needle valve.
7. raw gas pretreatment system according to claim 4, it is characterized in that, also comprise the 3rd connecting pipe, one end of described the 3rd connecting pipe is communicated with described escape pipe, the other end is communicated with described draft tube, on described escape pipe, between the two ends by needle valve and described the 3rd connecting pipe, the position corresponding with described the second connecting pipe, is communicated with.
8. raw gas pretreatment system according to claim 7, it is characterized in that, described escape pipe is provided with T-valve and hygronom, and described the 3rd connecting pipe is communicated with described escape pipe by described T-valve, and described hygronom is between described the second connecting pipe and described T-valve.
9. raw gas pretreatment system according to claim 8, it is characterized in that, described T-valve is three-way solenoid valve, described hygronom is connected with described three-way solenoid valve by feed back control system, and the humidity data that described feed back control system can record according to hygronom is controlled described three-way solenoid valve.
10. raw gas pretreatment system according to claim 7, it is characterized in that, also comprise the 4th connecting pipe being communicated with described escape pipe, the connectivity points of described the 4th connecting pipe and described escape pipe is between described the second connecting pipe and described hygronom, described the 4th connecting pipe is communicated with described escape pipe by the 5th container, and the connectivity points of described the 5th container and described escape pipe is positioned at the position, gas outlet near described escape pipe, in described the 5th container, drying agent is housed.
11. raw gas pretreatment systems according to claim 10, it is characterized in that, described the 5th container two ends size is less than intermediate sizes, described the 4th connecting pipe is provided with reducing connector, position near gas outlet on described escape pipe is provided with reducing connector, and described two reducing connectors are communicated in respectively the two ends of described the 5th container by emulsion tube.
12. raw gas pretreatment systems according to claim 11, it is characterized in that, described draft tube is provided with the first non-return valve and air pump, described the first non-return valve is near the air intake opening setting of described draft tube, described air pump is away from the air intake opening setting of described draft tube, pipeline between described air pump and described the first container is provided with needle valve, and the tie point of described the 3rd connecting pipe and described draft tube is between described the first non-return valve and air pump, and described the 3rd connecting pipe is provided with the second non-return valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241634.1U CN203837992U (en) | 2014-05-12 | 2014-05-12 | Raw gas pretreatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241634.1U CN203837992U (en) | 2014-05-12 | 2014-05-12 | Raw gas pretreatment system |
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| CN203837992U true CN203837992U (en) | 2014-09-17 |
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| CN201420241634.1U Expired - Lifetime CN203837992U (en) | 2014-05-12 | 2014-05-12 | Raw gas pretreatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131923A (en) * | 2017-06-15 | 2017-09-05 | 新疆国利衡清洁能源科技有限公司 | Protection system and protection method of gas flowmeter |
| CN109323895A (en) * | 2018-10-23 | 2019-02-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Fixed on-line sampling system is always measured containing S for coke-stove gas |
-
2014
- 2014-05-12 CN CN201420241634.1U patent/CN203837992U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131923A (en) * | 2017-06-15 | 2017-09-05 | 新疆国利衡清洁能源科技有限公司 | Protection system and protection method of gas flowmeter |
| CN109323895A (en) * | 2018-10-23 | 2019-02-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Fixed on-line sampling system is always measured containing S for coke-stove gas |
| CN109323895B (en) * | 2018-10-23 | 2021-09-14 | 攀钢集团攀枝花钢铁研究院有限公司 | On-line sampling system for measuring total S content of coke oven gas |
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Effective date of registration: 20170214 Address after: 065001 Hebei economic and Technological Development Zone, Langfang science and Technology Park in the Southern District of B building, room 522 Patentee after: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District B building room 522 Patentee before: ENN COAL GASIFICATION MINING Co.,Ltd. |
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