CN205419775U - Desorption hydrogen sulfide gas body and device of sulphur of regenerating in industrial raw material gas - Google Patents

Abstract

The utility model provides a desorption hydrogen sulfide gas body and device of sulphur of regenerating in industrial raw material gas, including the desulfurizing tower, a A sulphur regenerator, the desulfurizing tower includes the casing, be located the gas -liquid mixture absorbed layer on casing inner chamber upper portion, be located the absorption liquid holding chamber at casing inner chamber middle part, be located the alkaline solution holding chamber of casing inner chamber lower part, absorption liquid holding chamber does not communicate with alkaline solution holding chamber each other, inlet porting in absorption liquid holding chamber, solution after the gas -liquid mixture absorbed layer absorbs can be direct or be flowed into absorption liquid holding chamber through the pipeline, absorption liquid holding chamber is connected with the top of the sulphur regenerator that corresponds or the entry on upper portion, to appear solution in every sulphur regenerator is linked together with alkaline solution holding chamber, the export in alkaline solution holding chamber is linked together through delivery pump and the casing inner chamber entry that is located gas -liquid mixture absorbed layer top, the egress opening of industrial raw material gas is set up at the casing top, an is not for being the natural number of zero. Its advantage lies in: production is practiced thrift to the energy consumption cost is reduced, sulphur recovery efficiency is high.

Description

Raw material of industry gas removes hydrogen sulfide gas and regenerates the device of sulfur

Technical field

This utility model relates to industry sulfide hydrogen unstripped gas and waste gas removing sulfuldioxide field, removes hydrogen sulfide gas and regenerate the device of sulfur in a kind of raw material of industry gas.

Background technology

In the case of economic situation is the best at home, each produce and enviromental protection enterprise is cost efficiency and many effort are made in energy-saving and emission-reduction.Owing to gas componant, usability and tolerance vary in size, domestic and international existing hydrogen sulfide gas removing sulfuldioxide and technique are a lot, such as: low tower jet regeneration technology, compared with method of the present utility model, under identical function and effect, power consumption is more, and this method saves electricity more than 40%；High tower regeneration technology, compared with this method, under identical function and effect, investment increase by more than 20%, many power consumptions, this techniques save electricity more than 20%；Integral type desulfurization regeneration technology, compared with this method, under identical function and effect, investment increases by more than 30%, and many power consumptions, operational management difficulty is big, and this method saves electricity more than 20%；U.S.'s LO-CAT technology, device structure is complicated, great number technology transfer fee and catalyst usage charges, and armamentarium material is S30408, and investment is relatively big, uses face narrow, inapplicable existing domestic Large-scale Ammonia Plant, methanol feedstock gas and coke-stove gas, biogas desulfurization technique.

The Chinese utility model patent separately having a kind of Application No. CN201420317478.2 entitled " recovery system of a kind of hydrogen sulfide gas " discloses the recovery system of a kind of hydrogen sulfide gas, hydrogen sulfide production system connects hydrogen sulphide disposal unit by pipeline, including hydrogen sulfide gas holder, hydrogen sulfide compressor；Described hydrogen sulfide production system connects hydrogen sulfide gas holder by pipeline, hydrogen sulfide gas holder connects hydrogen sulfide compressor, and hydrogen sulfide compressor connects back to hydrogen sulfide production system；Described hydrogen sulfide compressor connects hydrogen sulphide disposal unit；Being provided with valve on described hydrogen sulphide disposal unit and the connection pipeline of hydrogen sulfide production system, described hydrogen sulfide production system is provided with valve on the connection pipeline of hydrogen sulfide gas holder.In industrial processes, noxious gas emission reaches the standard of zero, non-environmental-pollution, without raw material losses during start-stop car, reduces unit consumption of product cost.But, this system also has equipment many, and structure is complicated, and the problem that energy consumption is bigger, therefore, it is necessary to improve further this system.

Summary of the invention

Technical problem to be solved in the utility model is to provide for above-mentioned prior art present situation remove hydrogen sulfide gas in a kind of raw material of industry gas and regenerate the device of sulfur, has energy consumption low, invests little, cost-effective, the simple advantage of apparatus structure.

nullThe technical scheme that the above-mentioned technical problem of this utility model solution is used is: removes hydrogen sulfide gas in this raw material of industry gas and regenerates the device of sulfur，It is characterized in that: include removing the desulfurizing tower of hydrogen sulfide、A sulfur regeneration device of elemental sulfur can be separated out，Described desulfurizing tower includes housing、It is positioned at the gas-liquid mixed absorbed layer on housing cavity top、It is positioned at the absorbing liquid containing cavity in the middle part of housing cavity、It is positioned at the alkaline solution containing cavity of housing cavity bottom，Absorbing liquid containing cavity does not connects with alkaline solution containing cavity，The entrance connected with pending raw material of industry gas phase it is provided with in absorbing liquid containing cavity，Solution after gas-liquid mixed absorbed layer absorbs can be flowed in absorbing liquid containing cavity directly or by pipeline，Described absorbing liquid containing cavity be connected with the corresponding top of sulfur regeneration device or the entrance on top by respective pipeline respectively and with A sulfur regeneration device intracavity inter-connection，The solution that separates out separating out elemental sulfur is connected with the alkaline solution containing cavity of desulfurizing tower lower housing portion by each sulfur regeneration device by pipeline，The outlet of described alkaline solution containing cavity is connected with the housing cavity entrance being positioned at above gas-liquid mixed absorbed layer through delivery pump by pipeline，The flow export of the raw material of industry gas removing hydrogen sulfide it is provided with in case top，Described A be not zero natural number.

As improvement, the position of described absorbing liquid containing cavity is preferably higher than the top of A sulfur regeneration device, and the entrance that the absorbing liquid in absorbing liquid containing cavity can be automatically flowed in corresponding sulfur regeneration device inner chamber by respective pipeline is connected.

Improving further, described gas-liquid mixed absorbed layer is by multilamellar between the upper and lower every being arranged in housing cavity, and bottom is connected with absorbing liquid containing cavity.

Improving further, described multilamellar is preferably the upper, middle and lower up of three layers, and lower floor is connected with absorbing liquid containing cavity.

As improvement, described sulfur regeneration device is preferably self-suction gas-liquid regenerator.Self-suction gas-liquid regenerator relies on air hybrid reaction in self-suction gas-liquid regenerator of self-priming, under the oxidant effect as desulphurization catalyst, makes HS in solution^-Being converted into elemental sulfur, described elemental sulfur separates out from sulfur regeneration device, separates out the absorbing liquid after elemental sulfur and is converted into the precipitation solution that sulfur-bearing is few.

As improvement, described alkaline solution is preferably: NH₄OH、Na₂CO₃, NaOH or KOH.

As improvement, described containing H₂S、COS、CS₂Raw material of industry gas be: synthesis ammonia, methanol feedstock gas, industrial waste gas, biogas, natural gas, coke-stove gas, Calus tail gas, low-temperature methanol washing tail-gas.

Improve further, preferably possibly together with H in described raw material of industry gas₂、N₂、CO、CO₂、CH₄、C_nH_m、O₂, one or more in HCN, described C_nH_mIn n be not zero natural number, described C_nH_mIn m be greater than 1 natural number, and m is more than or equal to n.

Compared with prior art, the utility model has the advantage of: by desulfurizing tower, sulfur regeneration device is combined as circulating device, realize removing hydrogen sulfide and reclaim the function of elemental sulfur, and owing to being circular treatment raw material of industry gas, not only increase the removal efficiency of hydrogen sulfide in raw material of industry gas, and elemental sulfur reclaims the highest；Secondly, use circulation alkaline mixed solution to absorb the hydrogen sulfide in raw material of industry gas further, greatly reduce the consumption rate of alkaline solution, be effectively reduced the use cost of alkaline solution；Sulfur regeneration device is also had to have multiple, it is thus possible to be effectively improved the response rate of sulfur；And the device structure that device of the present utility model uses is simple, and floor space is little, easy to use；Further, sulfur regeneration device utilizes liquid level poor, it is achieved the application effect of unpowered generation elemental sulfur, energy consumption is greatly reduced, cost savings production cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment.

Detailed description of the invention

Below in conjunction with embodiment, this utility model is described in further detail.

nullAs shown in Figure 1，The raw material of industry gas of the present embodiment removes hydrogen sulfide gas and regenerates the device of sulfur，Including the desulfurizing tower 1 that can remove hydrogen sulfide、A sulfur regeneration device 2 of elemental sulfur can be separated out，Described desulfurizing tower 1 includes housing、It is positioned at the gas-liquid mixed absorbed layer 13 on housing cavity top、It is positioned at the absorbing liquid containing cavity 12 in the middle part of housing cavity、It is positioned at the alkaline solution containing cavity 11 of housing cavity bottom，Absorbing liquid containing cavity 12 does not mutually connect with alkaline solution containing cavity 11，The entrance connected with pending raw material of industry gas phase it is provided with in absorbing liquid containing cavity 12，Solution after gas-liquid mixed absorbed layer 13 absorbs can be flowed in absorbing liquid containing cavity 12 directly or by pipeline，Described absorbing liquid containing cavity 12 be connected with the corresponding top of sulfur regeneration device 2 or the entrance on top by respective pipeline respectively and with A sulfur regeneration device 2 intracavity inter-connection，The solution that separates out separating out elemental sulfur is connected with the alkaline solution containing cavity 11 of desulfurizing tower 1 lower housing portion by each sulfur regeneration device 2 by pipeline，The outlet of described alkaline solution containing cavity 11 is connected with the housing cavity entrance being positioned at above gas-liquid mixed absorbed layer 13 through delivery pump 3 by pipeline，The flow export of the raw material of industry gas removing hydrogen sulfide it is provided with in case top，Described A be not zero natural number.The position of described absorbing liquid containing cavity 12 is connected higher than the top of A sulfur regeneration device 2, the entrance that the absorbing liquid in absorbing liquid containing cavity 12 can be automatically flowed in corresponding sulfur regeneration device 2 inner chamber by respective pipeline.Described gas-liquid mixed absorbed layer 13 is by multilamellar between the upper and lower every being arranged in housing cavity, and bottom is connected with absorbing liquid containing cavity 12.Described multilamellar is the upper, middle and lower up of three layers, and lower floor is connected with absorbing liquid containing cavity 12.Described sulfur regeneration device 2 is self-suction gas-liquid regenerator.Described alkaline solution is: NH₄OH、Na₂CO₃, NaOH or KOH.Described containing H₂S、COS、CS₂Raw material of industry gas be: synthesis ammonia, methanol feedstock gas, industrial waste gas, biogas, natural gas, coke-stove gas, Calus tail gas, low-temperature methanol washing tail-gas.Possibly together with H in described raw material of industry gas₂、N₂、CO、CO₂、CH₄、C_nH_m、O₂, one or more in HCN, described C_nH_mIn n be not zero natural number, described C_nH_mIn m be greater than 1 natural number, and m is more than or equal to n.Desulphurization catalyst is conventional oxidisability desulphurization catalyst.Described Calus tail gas and low-temperature methanol washing tail-gas are all tail gas known to this technology neck technical staff, are not described further in detail for this reason.

Note: the 6th in claims to the 8th article is to apply prior art rather than to composition and the restriction of raw material, so being the regulation meeting Patent Law Article 2 the 3rd section.

Claims (8)

1. null1. a raw material of industry gas removes hydrogen sulfide gas and regenerates the device of sulfur，It is characterized in that: include removing the desulfurizing tower (1) of hydrogen sulfide、A sulfur regeneration device (2) of elemental sulfur can be separated out，Described desulfurizing tower (1) includes housing、It is positioned at the gas-liquid mixed absorbed layer (13) on housing cavity top、It is positioned at the absorbing liquid containing cavity (12) in the middle part of housing cavity、It is positioned at the alkaline solution containing cavity (11) of housing cavity bottom，Absorbing liquid containing cavity (12) does not mutually connect with alkaline solution containing cavity (11)，The entrance connected with pending raw material of industry gas phase it is provided with in absorbing liquid containing cavity (12)，Solution after gas-liquid mixed absorbed layer (13) absorbs can be flowed into directly or by pipeline in absorbing liquid containing cavity (12)，Described absorbing liquid containing cavity (12) be connected with the corresponding top of sulfur regeneration device (2) or the entrance on top by respective pipeline respectively and with A sulfur regeneration device (2) intracavity inter-connection，The precipitation solution separating out elemental sulfur is connected with the alkaline solution containing cavity (11) of desulfurizing tower (1) lower housing portion by each sulfur regeneration device (2) by pipeline，The outlet of described alkaline solution containing cavity (11) is connected with the housing cavity entrance being positioned at gas-liquid mixed absorbed layer (13) top through delivery pump (3) by pipeline，The flow export of the raw material of industry gas removing hydrogen sulfide it is provided with in case top，Described A be not zero natural number.
2. Device the most according to claim 1, it is characterized in that: the position of described absorbing liquid containing cavity (12) is connected higher than the top of A sulfur regeneration device (2), the entrance that the absorbing liquid in absorbing liquid containing cavity (12) can be automatically flowed in corresponding sulfur regeneration device (2) inner chamber by respective pipeline.
3. Device the most according to claim 2, it is characterised in that: described gas-liquid mixed absorbed layer (13) is by multilamellar between the upper and lower every being arranged in housing cavity, and bottom is connected with absorbing liquid containing cavity (12).
4. Device the most according to claim 3, it is characterised in that: described multilamellar is the upper, middle and lower up of three layers, and lower floor is connected with absorbing liquid containing cavity (12).
5. 5. according to described device arbitrary in Claims 1-4, it is characterised in that: described sulfur regeneration device (2) is self-suction gas-liquid regenerator.
6. 6. according to described device arbitrary in Claims 1-4, it is characterised in that: described alkaline solution is: NH₄OH、Na₂CO₃, NaOH or KOH.
7. 7. according to described device arbitrary in Claims 1-4, it is characterised in that: described containing H₂S、COS、CS₂Raw material of industry gas be: synthesis ammonia, methanol feedstock gas, industrial waste gas, biogas, natural gas, coke-stove gas, Calus tail gas, low-temperature methanol washing tail-gas.
8. Device the most according to claim 7, it is characterised in that: possibly together with H in described raw material of industry gas₂、N₂、 CO、CO₂、CH₄、C_nH_m、O₂, one or more in HCN, described C_nH_mIn n be not zero natural number, described C_nH_mIn m be greater than 1 natural number, and m is more than or equal to n.