CN107537301A - Jetting type absorbing reaction device - Google Patents
Jetting type absorbing reaction device Download PDFInfo
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Abstract
The present invention relates to a kind of jetting type absorbing reaction device, belongs to sulphur recovery reactor technology field.Described jetting type absorbing reaction device includes reaction tube, ejector is connected with the bottom of reaction tube, the bottom of ejector is provided with charging aperture, the connecting line of reaction tube and ejector is provided with raffinate export mouth, solid slurry export mouth, clear liquid export mouth and residual gas export mouth are respectively equipped with the side wall of reaction tube, facilitate various types of fluids to distinguish in autoreactor to flow out, separation of solid and liquid is realized while gas-liquid reacts, the position of solid slurry export mouth is higher than clear liquid export mouth, and the top of reaction tube is provided with built-in temperature tube.The present invention solves that gas-liquid contact present in pre-existing reactors is not abundant enough, complicated, separating effect is unstable, susceptible to plugging problem, have gas liquid reaction fully, the characteristics of hydrogen sulfide absorption rate is high, good separating effect.
Description
Technical field
The present invention relates to a kind of jetting type absorbing reaction device, belongs to sulphur recovery reactor technology field.
Background technology
The extensive use of the fossil energies such as coal, oil, natural gas causes modernization rapid economic development, but in natural gas
The production processes such as purification, petroleum refining and coal gas processed can produce substantial amounts of hydrogen sulfide gas, H2S is not only poisonous, and it is aerobic
Or also there is corrosivity under wet heat condition, therefore H2S presence can not only be detrimental to health, and can also corrode metallic conduit, burn
Instrument and meter etc. is ruined, particularly in natural gas transportation and large-scale oil unifining process, H2S presence can increase stone
H occurs for oil pipeline2The possibility of S stress corrosion crackings, this influences very big on oil, the safe working of natural gas and conveying.Cause
How this, handle H2S waste gas problems have been to be concerned by more and more people.
Traditional H2S handling process mainly has Claus method and wet absorption method.The processing of this two classes method contains H2S gas
Can reach higher degree of purification, reclaim to obtain sulphur while desulfurization, but it is maximum the shortcomings that be that protium therein is oxidized to
Water and slattern.In order to realize the comprehensive utilization of resource, in recent years, a kind of H for taking into account recovery sulphur and hydrogen2S processing new technology-
Attention of the Indirect Electro solution by people.Indirect Electro solution is exactly to utilize the H in absorbing liquid oxidation gaseous effluent2S, elemental sulfur is produced,
The absorbing liquid being reduced is sent to the anode electrolysis regeneration of electrolytic cell, recycled, while produces hydrogen in the negative electrode of electrolytic cell.Its
Reaction system is mainly made up of absorbing reaction device and electrolysis reactor two parts, H2S absorption oxidizing process is usually to absorb
Carried out in reactor.Therefore, implementation of the design of absorbing reaction device for whole technique is particularly critical, to allow gas to and inhaling
Receive liquid fully to contact and react, gas is passed through absorbing liquid by prior art by the way of bubbling more, due to concrete technology
Difference, the structure of absorbing reaction device are also different.
A kind of bubble type absorbing reaction device is referred in ZL200620004518.3, is specifically shown in Fig. 2, the reactor is using
During, because the drusen that gas liquid reaction is formed is tiny or sticky, it is easy to plug nozzle, so being applied at present
During, operation is all batch (-type), it is difficult to efficient absorption hydrogen sulfide and the simultaneously continuous operation of hydrogen making are realized, and
Result of study show as gas-liquid contact is not abundant enough in absorption operation, the absorptivity of hydrogen sulfide is not high.
ZL200620004518.3 discloses a kind of internal-circulation type absorbing reaction device, is specifically shown in Fig. 3, is inhaled improving hydrogen sulfide
Produce effects rate, prevent from improving to some extent in terms of sulfur plug and continuous operation, but when reaction scale expands, how to balance each reaction
Load between unit is complex, while the structure of inner-loop reactor is complex, and manufacture and maintenance cost are higher.
In addition, currently used for electrolysis hydrogen sulfide hydrogen and the absorbing reaction device of sulphur technology, solid-liquid point is all unable to reach
From effect, this, which may result in, is separated by filtration during sulphur and absorbing liquid that there is filtering load is big, separating effect is unstable
The problem of determining, tiny drusen is possible in electrolytic cell because deposition results in blockage during long-play.
The content of the invention
It is an object of the invention to provide a kind of jetting type absorbing reaction device, solve gas-liquid present in pre-existing reactors and connect
Touch it is not abundant enough, complicated, separating effect is unstable, susceptible to plugging problem, have gas liquid reaction fully, hydrogen sulfide absorption rate
The characteristics of height, good separating effect.
Jetting type absorbing reaction device of the present invention, including reaction tube, ejector, jet are connected with the bottom of reaction tube
The bottom of device is provided with charging aperture, and the connecting line of reaction tube and ejector is provided with raffinate export mouth, in the side wall of reaction tube point
Not She You solid slurry export mouth, clear liquid export mouth and residual gas export mouth, facilitate various types of fluids difference autoreactions
Flowed out in device, separation of solid and liquid is realized while gas-liquid reacts, the position of solid slurry export mouth is higher than clear liquid export
Mouthful, the top of reaction tube is provided with built-in temperature tube.
Wherein：
Described reaction tube and the connecting line of ejector are plastic tube, the length as the plastic tube of linkage section it is more short more
It is good.
The ratio of height to diameter of described reaction tube is 9-11.
It is in sealing state between the tube wall of described temperature tube and the tube wall of reaction tube, the upper end of temperature tube is open, lower end
Sealing, and lower end and the bottom of reaction tube maintain a certain distance；Insertion thermocouple whether is needed to regard experiment in temperature tube
Depending on situation.
During using jetting type absorbing reaction device of the invention, reacting gas and reaction liquid all being injected into by ejector
Enter reaction tube, gas is dispersed into tiny bubble under the carrying of swiftly flowing liquid, together with liquid in reaction tube on
OK, gas fully contacts mixing with liquid and reacted during up, is advantageous to improve reaction efficiency.In addition, gas
Solid product can be continuously generated during body is up in reaction tube together with liquid, remaining unreacting gas are attached to solid
The surface of body particle, under the drive floated automatically of injection power and gas of ejector, solid particle floats up to instead therewith
The liquid level of liquid is answered, and the solid slurry export mouth on reacted pipe top exports, the liquid in reaction tube is because of most of solid
Grain turns into clear liquid by dissolved air flotation, can be separated by filtration mitigation from the clear liquid export mouth export in the middle part of reaction tube for follow-up
Load, additionally it is possible to significantly extend filtering accuracy when recoil cycle, the guarantee high filtration flow of filter.
Beneficial effects of the present invention are as follows：
(1) jetting type absorbing reaction device of the invention has the dual-use function absorbed with separation of solid and liquid concurrently, is connect suitable for gas-liquid
The technique that solid is generated after reacting is touched, is advantageous to gas-liquid and fully contacts and improve reaction efficiency, while separation of solid and liquid can be reached
Effect, so as to avoid the solid particle that reaction generates from blocking ejector and occur the problem of be attached to reactor wall, also for
Follow-up solid, which is separated by filtration, to lighten the load；
(2) simple in construction, ejector is located at the lower end of reaction tube, be gas-liquid meet mixing and enter reaction tube must be through
Part, the solid particle of gas liquid reaction generation be not easy due to the drive of high flow rate liquid in ejector and reaction tube deposition or
Tube wall is attached to, can effectively avoid the blocking of absorbing reaction device, the high degree of dispersion of gas-liquid mixed stream also provide enhanced gas-liquid contact face
Product.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of bubble type absorbing reaction device in comparative example 1；
Fig. 3 is the structural representation of internal-circulation type absorbing reaction device in comparative example 2.
In figure：1st, temperature tube；2nd, residual gas export mouth；3rd, solid slurry export mouth；4th, clear liquid export mouth；5th, react
Pipe；6th, ejector；7th, charging aperture；8th, raffinate export mouth.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
As described in Figure 1, jetting type absorbing reaction device, including reaction tube 5, ejector 6 is connected with the bottom of reaction tube 5, is penetrated
The bottom of stream device 6 is provided with charging aperture 7, and the connecting line of the reaction tube 5 and ejector 6 is provided with raffinate export mouth 8, reaction tube
Side wall on be respectively equipped with solid slurry export mouth 3, clear liquid export mouth 4 and residual gas export mouth 2, facilitate various types of streams
Body, which is distinguished in autoreactor, to flow out, and separation of solid and liquid is realized while gas-liquid reacts, the position of solid slurry export mouth 3 will
Higher than clear liquid export mouth 4, the top of reaction tube 5 is provided with built-in temperature tube 1.Wherein, the connecting tube of reaction tube 5 and ejector 6
Road is plastic tube, and the ratio of height to diameter of reaction tube 5 is 9-11, is in sealing state between the tube wall of temperature tube 1 and the tube wall of reaction tube 5；
The upper end of temperature tube 1 is open, lower end sealing, and lower end and the bottom of reaction tube 5 maintain a certain distance.
Embodiment 2
Exemplified by being electrolysed the handling process of hydrogen sulfide hydrogen and sulphur, the processing work of hydrogen sulfide hydrogen and sulphur is electrolysed
Absorbing liquid used is rich in Fe in skill3+Fe3+/Fe2+Acid solution, the gas for participating in reaction is H2S.Jetting type absorbing reaction
The specific work process of device is as follows：
H2S、N2And other components gas (such as ammonia, alkene, CO2Deng) the accurate distribution of Jing San Road gas distribution equipment, metering mixing
Into containing H2The volume content of S gaseous mixture, wherein hydrogen sulfide is 10-99%, this gaseous mixture through gas flowmeter coutroi velocity, with
Rich in Fe3+Absorbing liquid mixing after, the jet-action that ejector 6 is in charging aperture 7 is admitted to reaction tube 5, liquid therein
Air volume ratio is 5-20, and gas-liquid total flow is measured by fluid flowmeter.When gas-liquid passes through ejector 6, gas is in high flow rate liquid
Tiny bubble is broken up under the drive of body, it is as follows with absorbing liquid generation while bubble freely rises in absorbing reaction pipe 5
Generate the reaction of sulphur：H2S+2Fe3+=2H++2Fe2++ S ↓, the 60-90wt% sulphur of total sulphur amount is accounted in ejector 6
Liquid level is floated up in the presence of injection power and bubble realizes separation of solid and liquid, and the reacted top of pipe 5 in a form of slurry
Solid slurry export mouth 3 exports, and for the liquid in reaction tube 5 because most of drusen by dissolved air flotation turns into clear liquid, this is clear
Liquid exports from the clear liquid export mouth 4 of the middle and upper part of reaction tube 5, and unreacted gas enters tail gas via residual gas export mouth 2 and returned
Closed tube road is sent to hydramine absorption plant.During parking, the raffinate in reaction tube 5 is exported by the raffinate export mouth 8 of reaction bottom of the tube.
Compared with the reactor that prior art provides, the present invention is during use, when passing through ejector due to gas-liquid,
Gas is broken up into up with liquid while tiny bubble and reacted, which increase gas liquid interfacial area, so as to effectively carry
High-selenium corn efficiency；Meanwhile the sulphur of generation is avoided drusen and is blocked the phenomenon of absorbing reaction device, and be by dissolved air flotation
Follow-up sulfur filtration separation lightens the load, and improves filtering accuracy.
Embodiment 3
The specific work process of the jetting type absorbing reaction device of the present embodiment is with embodiment 2, except that to determine not
With the H under reaction condition2S absorptivities.
(1) H under different liquid/gas volume ratios2S absorptivities：
Absorbing reaction pressure is normal pressure, and temperature is normal temperature, Fe in absorbing liquid3+Concentration about 0.6mol/L, Fe2+Concentration is about
0.2mol/L, H2SO4Hydrogen ion concentration under system is 8mol/L.According to the working range of real gas flowmeter, by H2S bodies
The flow velocity for the gaseous mixture that product content is 60% is fixed as 50L/h, to change fluid flow to control liquid/gas volume ratio be respectively 6,8,
10th, 12 and 15.H in recording respectively into the sour gas of jetting type absorbing reaction device and in the tail gas of discharge reactor2S contains
Amount, to calculate H2S absorptivity.
As a result show, H2S absorptivity has carried all more than 95% with the increase absorptivity of liquid/gas volume ratio
Height, in this experiment, absorptivity can reach more than 99%.But the too conference of liquid/gas volume ratio influences H2S absorption rate,
Therefore selection liquid/gas volume ratio is 10.
(2) H under different gas/liquid flow velocitys2S absorptivities：
Absorbing reaction pressure is normal pressure, and temperature is normal temperature, Fe in absorbing liquid3+Concentration is 0.6mol/L, Fe2+Concentration is
0.2mol/L, H2SO4Hydrogen ion concentration under system is 8mol/L.Fixer/air volume ratio is 10, changes gas and liquid
Flow velocity, determine to H2The influence of S absorptivities.
As a result show, with the gradual increase of gas and flow rate of liquid, H2S absorption rate is gradually increasing, and H2S suction
Yield gradually reduces, and this is due to caused by gas-liquid contact time is short under high flow rate.
(3) different H in gaseous mixture2H under S contents2S absorptivities：
Absorbing reaction pressure is normal pressure, and temperature is normal temperature, Fe in absorbing liquid3+Concentration is 0.6mol/L, Fe2+Concentration is
0.2mol/L, H2SO4Hydrogen ion concentration under system is 8mol/L.The flow velocity of fixed gas and liquid be respectively 50L/h and
500L/h, i.e. fixer/air volume ratio are 10.Change H in gaseous mixture2S content, investigate H in gaseous mixture2S volume contents are distinguished
For 10%, 30%, 60%, 95% when assimilation effect, other component gas are nitrogen.
Experiment shows, H2When S volume contents are respectively 10%, 30%, 60%, 95%, H2S absorptivity is respectively 99%,
97%th, 95% and 95%.Illustrate that the absorbing reaction device of the present invention is applied to H2The larger gaseous mixture of S changes of contents scopes.Therefore,
If handle H2During the relatively low gaseous mixture of S contents, it is not necessary to carry out enrichment processing in advance.
Comparative example 1
This comparative example is using bubble type absorbing reaction device, as shown in Fig. 2 in the course of work, first from liquid inlet to
Absorbing liquid is added in reaction tube, is then passed through by nozzle into reaction tube containing H2S gas, gas is in reaction tube bottom with inhaling
Receive liquid contact and react and generate sulphur.Reacted liquid and sulphur are released from outlet at bottom, and unnecessary tail gas is from reaction
Discharge on device top.
Bubble type absorbing reaction device is run, its reaction condition is identical with the third situation in embodiment 3, i.e. normal temperature, normal
Press, Fe in absorbing liquid3+Concentration is 0.6mol/L, Fe2+Concentration is 0.2mol/L, H2SO4Hydrogen ion concentration under system is 8mol/
The flow velocity of L, fixed gas and liquid is respectively 50L/h and 500L/h.H in gaseous mixture2S volume content is respectively 10%,
30%th, 60%, 95% when, measure H2S absorptivity is respectively 87%, 80%, 68% and 60%.This assimilation effect is nothing like
The present invention.
In addition, the gas-liquid of the bubble type absorbing reaction device in this comparative example end in contact and fast reaction under nozzle, generation
Sulphur can assemble herein, prolonged operation occurs that drusen blocks the phenomenon of gas nozzle, it is necessary to clear up at any time, institute
All it is batch (-type) with current operation.
And the present invention is at work, gas is contacted and reacted at ejector with liquid, and the drusen of generation is due to height
The drive of moving liquid and be not easy to deposit in ejector and reaction tube, can effectively avoid the blocking of absorbing reaction device.In addition, gas
High degree of dispersion of the liquid after ejector also provide enhanced gas liquid interfacial area, be advantageous to improve H2S absorptivities.
Comparative example 2
This comparative example is using internal-circulation type absorbing reaction device, as shown in figure 3, it is made up of nozzle and reaction tube, spray
Mouth is made up of inner tube and sleeve pipe, and sleeve pipe is sheathed on outside inner tube, is then turned between top and outer wall of inner tube in closing, bottom with the external world,
Annular space is formed between sleeve pipe and inner tube, and the sleeve side walls are additionally provided with the gas access communicated with annular space, the nozzle is from reaction tube
Top intercalation reaction pipe；And the inner catheter that two-port is conducted with reaction tube is arranged with reaction tube, and the inner catheter with it is anti-
Interlayer is formed between should managing；During operation, gas is entered by gas access, and absorbing liquid is entered by liquid inlet, and gas absorbed liquid is taken
Band enters reactor inner catheter by the annular space of nozzle, along its inwall it is descending after from interlayer return, in reactor realize circulation,
Be advantageous to gas-liquid fully to contact and improve reaction efficiency, while more can reach the solid particle for avoiding reaction from generating and block gas spray
The effect of mouth.But the structure of this absorbing reaction device is complex, manufacture and maintenance cost are higher.And when reaction scale expands,
It is not easy to balance the load between each reaction member.
Run internal-circulation type absorbing reaction device, its reaction condition is identical with the third situation in embodiment 3, i.e., normal temperature,
Normal pressure, Fe in absorbing liquid3+Concentration is 0.6mol/L, Fe2+Concentration is 0.2mol/L, H2SO4Hydrogen ion concentration under system is
The flow velocity of 8mol/L, fixed gas and liquid is respectively 50L/h and 500L/h.H in gaseous mixture2S volume content is respectively
10%th, 30%, 60%, 95% when, measure H2S absorptivity is respectively 99%, 95%, 90% and 89%.This assimilation effect is also
Not as the present invention.
The present invention except with it is same the advantages of in addition to, also with simple in construction and separation of solid and liquid function, energy
Substantially reduce use cost.
Claims (4)
1. a kind of jetting type absorbing reaction device, including reaction tube (5), it is characterised in that：Jet is connected with the bottom of reaction tube (5)
Device (6), the bottom of ejector (6) are provided with charging aperture (7), and the connecting line of the reaction tube (5) and ejector (6) is provided with residual
Liquid export mouth (8), solid slurry export mouth (3), clear liquid export mouth (4) and residual gas are respectively equipped with the side wall of reaction tube and is led
Export (2), the position of solid slurry export mouth (3) is higher than clear liquid export mouth (4), and the top of reaction tube (5) is provided with built-in
Temperature tube (1).
2. jetting type absorbing reaction device according to claim 1, it is characterised in that：The company of reaction tube (5) and ejector (6)
Adapter road is plastic tube.
3. jetting type absorbing reaction device according to claim 1, it is characterised in that：The ratio of height to diameter of reaction tube (5) is 9-11.
4. jetting type absorbing reaction device according to claim 1, it is characterised in that：The tube wall and reaction tube of temperature tube (1)
(5) it is in sealing state between tube wall, the upper end opening of temperature tube (1), lower end seal.
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| CN201610496646.2A CN107537301B (en) | 2016-06-29 | 2016-06-29 | Jet-type absorption reactor |
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| CN201610496646.2A CN107537301B (en) | 2016-06-29 | 2016-06-29 | Jet-type absorption reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044249A (en) * | 2020-08-26 | 2020-12-08 | 沈阳工业大学 | Carbon dioxide tail gas absorption device for carbon decomposition reaction and absorption method thereof |
| CN114525156A (en) * | 2022-02-23 | 2022-05-24 | 华南理工大学 | Energy-saving device and method for strengthening low-temperature methanol washing absorption based on Lurgi process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007029781A (en) * | 2005-07-22 | 2007-02-08 | Mitsubishi Heavy Ind Ltd | Wet oxidation apparatus and method for organic waste liquid |
| CN202893516U (en) * | 2012-11-16 | 2013-04-24 | 安徽理工大学 | Spraying stirring air-absorption mixture type flotation machine |
| CN203990940U (en) * | 2014-08-13 | 2014-12-10 | 龚泽强 | Help and select gas-lifting type mineral microfoam flotation device |
| US20150321123A1 (en) * | 2014-05-08 | 2015-11-12 | Alstom Technology Ltd | Antifoam device and method of use for seawater foam control |
| CN205042622U (en) * | 2015-10-12 | 2016-02-24 | 湖南有色金属研究院 | Inflatable reducing post flotation equipment |
| CN205253375U (en) * | 2015-10-19 | 2016-05-25 | 中国矿业大学 | Column type flotation equipment |
-
2016
- 2016-06-29 CN CN201610496646.2A patent/CN107537301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007029781A (en) * | 2005-07-22 | 2007-02-08 | Mitsubishi Heavy Ind Ltd | Wet oxidation apparatus and method for organic waste liquid |
| CN202893516U (en) * | 2012-11-16 | 2013-04-24 | 安徽理工大学 | Spraying stirring air-absorption mixture type flotation machine |
| US20150321123A1 (en) * | 2014-05-08 | 2015-11-12 | Alstom Technology Ltd | Antifoam device and method of use for seawater foam control |
| CN203990940U (en) * | 2014-08-13 | 2014-12-10 | 龚泽强 | Help and select gas-lifting type mineral microfoam flotation device |
| CN205042622U (en) * | 2015-10-12 | 2016-02-24 | 湖南有色金属研究院 | Inflatable reducing post flotation equipment |
| CN205253375U (en) * | 2015-10-19 | 2016-05-25 | 中国矿业大学 | Column type flotation equipment |
Non-Patent Citations (2)
| Title |
|---|
| 上海科学技术情报研究所: "《小氮肥厂技术革新成果汇编》", 30 September 1977 * |
| 王钰等: "《煤化工生产技术》", 28 February 2017 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044249A (en) * | 2020-08-26 | 2020-12-08 | 沈阳工业大学 | Carbon dioxide tail gas absorption device for carbon decomposition reaction and absorption method thereof |
| CN112044249B (en) * | 2020-08-26 | 2024-04-05 | 沈阳工业大学 | Carbon dioxide tail gas absorbing device and method for carbon dioxide decomposition reaction |
| CN114525156A (en) * | 2022-02-23 | 2022-05-24 | 华南理工大学 | Energy-saving device and method for strengthening low-temperature methanol washing absorption based on Lurgi process |
| CN114525156B (en) * | 2022-02-23 | 2022-12-16 | 华南理工大学 | Energy-saving device and method for enhancing low-temperature methanol washing absorption based on Lurgi process |
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