CN219764985U - Integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas - Google Patents
Integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas Download PDFInfo
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- CN219764985U CN219764985U CN202320960895.8U CN202320960895U CN219764985U CN 219764985 U CN219764985 U CN 219764985U CN 202320960895 U CN202320960895 U CN 202320960895U CN 219764985 U CN219764985 U CN 219764985U
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- tail gas
- waste liquid
- sulfur
- desulfurization
- desulfurization waste
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- 239000007788 liquid Substances 0.000 title claims abstract description 153
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 96
- 230000023556 desulfurization Effects 0.000 title claims abstract description 96
- 239000002699 waste material Substances 0.000 title claims abstract description 89
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000011593 sulfur Substances 0.000 title claims abstract description 86
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 86
- 238000002844 melting Methods 0.000 title claims abstract description 71
- 230000008018 melting Effects 0.000 title claims abstract description 59
- 238000000746 purification Methods 0.000 title claims abstract description 45
- 238000005406 washing Methods 0.000 claims abstract description 42
- 239000000919 ceramic Substances 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000012855 volatile organic compound Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 107
- 238000000034 method Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 7
- 239000008235 industrial water Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000011045 prefiltration Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- YNTCDWYDVCVNPF-UHFFFAOYSA-N [C-]#N.[Na+].S(=O)(=O)(O)O Chemical compound [C-]#N.[Na+].S(=O)(=O)(O)O YNTCDWYDVCVNPF-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas, which relates to the technical field of industrial waste liquid and tail gas treatment and comprises a desulfurization waste liquid tank and a sulfur melting tail gas collecting device, wherein the desulfurization waste liquid tank is sequentially communicated with a filter press, a middle tank, a primary filter, a secondary filter and a clear liquid tank according to the outflow direction of the desulfurization waste liquid, the clear liquid tank is respectively communicated with a washing purification tower and a tail gas cooler, a tail gas inlet of the tail gas cooler is communicated with the sulfur melting tail gas collecting device, and a tail gas outlet of the tail gas cooler is communicated with the washing purification tower.
Description
Technical Field
The utility model relates to the technical field of industrial waste liquid and tail gas treatment, in particular to an integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas.
Background
Inorganic salts such as thiocyanate, thiosulfate, sulfate and the like are generated due to side reaction in the gas desulfurization process, the inorganic salts accumulate to a certain concentration, crystallization is easy to separate out and block equipment, and desulfurization efficiency is severely reduced. Therefore, the desulfurization liquid needs to be discharged periodically. The desulfurization waste liquid discharged by the same type of factories is generally treated by standing, precipitating and purifying and then sending to a salt extraction process or a sintering process. The desulfurizing liquid purified by the method only can remove the impurities with larger particles in the desulfurizing waste liquid, but also cannot remove the fine particles and sulfur simple substances in the desulfurizing waste liquid, and the problems of environmental pollution and the like caused by more impurities and large peculiar smell of the desulfurizing waste liquid after standing, precipitating and purifying still exist, and crystallization is easy to separate out to block a conveying pipeline.
The prior sulfur producing process is not limited to normal pressure or pressure containers and is not limited to sulfur produced by continuous sulfur melting or intermittent sulfur melting, and the sulfur producing process needs the steps of heating, melting and cooling and shaping, and a sulfur melting device can produce tail gas containing a large amount of sulfides during heating and melting. Most of factories of the same type spray, wash and purify the tail gas by using industrial water and then discharge the tail gas, and spray, wash and purify the sulfur melting tail gas by using industrial water, so that not only can a large amount of industrial water be consumed, but also new waste liquid can be generated, and the waste heat of the tail gas can not be utilized.
The above purification method of desulfurization waste liquid and sulfur melting tail gas has the following problems: firstly, the desulfurization waste liquid has poor purification effect, and more impurities still exist after purification; secondly, spraying, washing and purifying sulfur melting tail gas by using industrial water can cause a large amount of industrial water consumption and also can generate new waste liquid; and thirdly, the integrated purification treatment cannot be realized, and the purified desulfurization clear liquid and the sulfur melting tail gas cannot be effectively utilized.
Disclosure of Invention
The utility model provides an integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas, which can solve the problem that the prior art cannot realize the integrated purification treatment and the effective utilization of the gas desulfurization waste liquid and the sulfur melting tail gas.
In order to solve the problems, the utility model adopts the following technical scheme: the device comprises a desulfurization waste liquid tank and a sulfur melting tail gas collecting device, wherein the desulfurization waste liquid tank is sequentially communicated with a filter press, a middle tank, a primary filter, a secondary filter and a clear liquid tank according to the outflow direction of the desulfurization waste liquid, the clear liquid tank is respectively communicated with a washing purification tower and a tail gas cooler, a tail gas inlet of the tail gas cooler is communicated with the sulfur melting tail gas collecting device, and a tail gas outlet of the tail gas cooler is communicated with the washing purification tower.
Among the above technical schemes, the more specific scheme is: the desulfurization waste liquid tank with be equipped with the waste liquid pump on the pipeline between the pressure filter, the intermediate tank with be equipped with the intermediate tank pump on the pipeline between the one-level filter, be connected with the clear liquid pump on the liquid outlet pipeline of clear liquid tank be equipped with the tail gas fan between the tail gas cooler with wash the purifying column, the air inlet of this tail gas fan with tail gas outlet of tail gas cooler is connected, the gas outlet of this tail gas fan with wash the tail gas import intercommunication of purifying column.
Further: the sulfur melting tail gas collecting device comprises a sulfur melting device, a pressure relief valve is arranged at the top of the sulfur melting device and connected with the first tail gas inlet of the tail gas cooler, a sulfur release valve is arranged on a bottom pipeline of the sulfur melting device, a sulfur release chamber is arranged below the sulfur release valve, a sulfur melting tail gas collecting cover is arranged right above the sulfur release chamber and connected with the first tail gas inlet of the tail gas cooler.
Further: the tail gas cooler is provided with a desulfurization clear liquid inlet I which is connected with a liquid outlet pipeline of the clear liquid tank; and the bottom of the tail gas cooler is provided with a desulfurization clear liquid outlet which is connected with salt extraction system equipment.
Further: a spraying device is arranged in the middle of the washing and purifying tower, a second desulfurization clear liquid inlet is arranged on the washing and purifying tower at the position of the spraying device, and the second desulfurization clear liquid inlet is communicated with a liquid outlet pipeline of the clear liquid tank; a second tail gas outlet is arranged at the top of the washing purification tower, and the second tail gas outlet is connected with a VOCs treatment system; the lower part of the washing and purifying tower is provided with a second tail gas inlet, the wall of the washing and purifying tower is provided with a washing waste liquid outlet below the second tail gas inlet, and the washing waste liquid outlet is connected with the desulfurization waste liquid tank.
Further: the primary filter is a porous composite filter material ceramic filter, the secondary filter is an activated carbon adsorption ceramic filter, the tops of the porous composite filter material ceramic filter and the activated carbon adsorption ceramic filter are respectively provided with inlets for desulfurization waste liquid, and the bottoms of the porous composite filter material ceramic filter and the activated carbon adsorption ceramic filter are respectively connected with a back flushing pipeline.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. the system integrates the desulfurization waste liquid tank and the sulfur melting tail gas collecting device, and the problems of large peculiar smell, color, blockage of a transportation pipeline and the like of the desulfurization waste liquid are solved by pre-filtering the desulfurization waste liquid and then sequentially carrying out primary filtering purification and secondary filter adsorption deep purification on the desulfurization waste liquid; the desulfurization waste liquid after the two-time deep purification flows into a clear liquid tank, part of the desulfurization waste liquid in the clear liquid tank is sent into a tail gas cooling tower for heat exchange with the sulfur melting tail gas with waste heat sent into the tail gas cooling tower from the sulfur melting tail gas collecting device, and the desulfurization waste liquid after the temperature rise is sent into a salt extraction system for extraction and production of sodium sulfate and sodium cyanide sulfate products, so that the steam consumption required in the evaporation and salt extraction process of the desulfurization waste liquid is reduced; the other part of the desulfurization waste liquid in the clear liquid tank is sent into a washing purification tower to replace industrial water to spray, wash and purify the sulfur melting tail gas, so that the consumption of the industrial water is reduced, and no new waste water is generated; the system not only improves the purification effect of the desulfurization waste liquid, but also realizes the waste utilization of the desulfurization waste liquid and the residual energy utilization of the sulfur melting tail gas, reduces the emission of pollutants in the sulfur melting tail gas, does not generate new waste water in the whole purification process, and realizes the purposes of waste utilization, emission reduction and energy consumption reduction.
2. The filter press of the system pre-filters the desulfurization waste liquid to remove large-particle solid impurities, then sequentially filters the desulfurization waste liquid by using a ceramic filter, the resistance of the ceramic filter is reduced, the backwashing period interval is prolonged by 5-10 times, the time of stable operation of the ceramic filter is prolonged, and the service life of a filter material is prolonged by 5-10 times.
3. The color of the desulfurization waste liquid purified by the system is lighter, the peculiar smell is smaller, and the environmental protection problem that the desulfurization waste liquid emits the peculiar smell greatly and causes great pollution to production posts is solved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic diagram of an example integrated purification process for desulfurization waste liquid and sulfur-melting tail gas.
Description of sequence number:
the desulfurization waste liquid tank 1, the waste liquid pump 2, the filter press 3, the middle tank 4, the middle tank pump 5, the porous composite filter material ceramic filter 6, the activated carbon adsorption ceramic filter 7, the clear liquid tank 8, the clear liquid pump 9, the washing purification tower 10, the tail gas outlet II 10-1, the spraying equipment 10-2, the desulfurization clear liquid inlet II 10-3, the tail gas inlet II 10-4, the washing waste liquid outlet 10-5, the VOCs treatment system 11, the tail gas fan 12, the tail gas cooler 13, the tail gas inlet I13-1, the desulfurization clear liquid inlet I13-2, the tail gas outlet I13-3, the desulfurization clear liquid outlet I13-4, the salt extraction system equipment 14, the sulfur melting device 15, the pressure relief valve 15-1, the sulfur relief valve 15-2, the sulfur relief chamber 16, the sulfur melting tail gas collecting cover 17 and the back flushing pipeline 18.
Detailed Description
The utility model is further described in detail below with reference to the attached drawings and examples:
the embodiment shown in fig. 1 comprises a desulfurization waste liquid tank 1 and a sulfur melting tail gas collecting device, wherein the desulfurization waste liquid tank 1 is sequentially connected with a waste liquid pump 2, a filter press 3, an intermediate tank 4, an intermediate tank pump 5, a porous composite filter material ceramic filter 6, an activated carbon adsorption ceramic filter 7 and a clear liquid tank 8 through pipelines, a clear liquid pump 9 is connected to a liquid outlet pipeline of the clear liquid tank 8, a liquid outlet pipeline after the clear liquid pump 9 is respectively connected with a desulfurization clear liquid inlet II 10-3 of a washing purification tower 10 and a desulfurization clear liquid inlet I13-2 of a tail gas cooler 13, a tail gas outlet I13-3 of the tail gas cooler 13 is communicated with a tail gas inlet II 10-4 of the washing purification tower 10 through a tail gas fan 12, a desulfurization clear liquid outlet 13-4 is arranged at the bottom of the tail gas cooler 13, and the outlet is connected with salt extraction system equipment 14; the sulfur melting tail gas collecting device comprises a sulfur melting device 15, wherein the top of the sulfur melting device is provided with a pressure relief valve 15-1, the pressure relief valve is connected with a first tail gas inlet 13-1 of a tail gas cooler 13, a sulfur release valve 15-2 is arranged on a bottom pipeline of the sulfur melting device 15, a sulfur release chamber 16 is arranged below the sulfur release valve, a sulfur melting tail gas collecting cover 17 is arranged right above the sulfur release chamber 16, and the sulfur melting tail gas collecting cover is connected with the first tail gas inlet 13-1 of the tail gas cooler 13; the middle part in the washing and purifying tower 10 is provided with a spraying device 10-2, a second desulfurization clear liquid inlet 10-3 is arranged on the tower wall of the washing and purifying tower 10 and at the position of the spraying device 10-2, the top of the washing and purifying tower 10 is provided with a second tail gas outlet 10-1, and the second tail gas outlet is connected with a VOCs treatment system 11; the second tail gas inlet 10-4 is arranged at the lower part of the washing and purifying tower 10, the washing waste liquid outlet 10-5 is arranged on the tower wall of the washing and purifying tower 10 below the second tail gas inlet 10-4, and the washing waste liquid outlet is connected with the desulfurization waste liquid tank 1 through a pipeline; the porous composite filter material ceramic filter 6 takes microporous ceramic sand as a filter medium and ceramic corundum as a filter medium support, the active carbon adsorption ceramic filter 7 takes active materials as the filter medium, desulfurization waste liquid inlets of the porous composite filter material ceramic filter 6 and the active carbon adsorption ceramic filter 7 are arranged at the tops of the respective filters, the bottoms of the porous composite filter material ceramic filter 6 and the active carbon adsorption ceramic filter 7 are respectively connected with a back flushing pipeline 18, the back flushing can be periodically carried out on desulfurization clear liquid obtained after the filtration of the porous composite filter material ceramic filter and the active carbon adsorption ceramic filter, the separation and crystallization of the desulfurization waste liquid in the conveying process are prevented, the conveying pipeline is blocked, and the back flushing liquid flows back to the desulfurization waste liquid tank 1 for circulation treatment.
The sulfur-melting device 15 is not limited to a normal pressure or a pressure vessel, and the sulfur-melting production method is not limited to continuous or intermittent sulfur melting, and if the sulfur-melting device 15 is a normal pressure vessel, the pressure release valve 15-1 is not required.
As shown in fig. 2, the purification method of the present system is as follows:
A. the desulfurization waste liquid generated by the desulfurization system is recycled to the desulfurization waste liquid tank 1 for storage, the desulfurization waste liquid is sent to the filter press 3 for prefiltration treatment by the waste liquid pump 2, the desulfurization waste liquid after the large-particle solid impurities are removed flows into the middle tank 4 for storage through a pipeline, the large-particle solid impurities in the form of paste are sent to the sulfur paste foam tank, and then sent to the sulfur melting device 15 together with the sulfur foam generated by the desulfurization regeneration tower for producing sulfur;
B. the desulfurization waste liquid after the pre-filtration treatment in the middle tank 4 is firstly sent to a porous composite filter material ceramic filter 6 for primary filtration and purification by a middle tank pump 5, then sent to an active carbon adsorption ceramic filter 7 for secondary adsorption and deep purification, elemental sulfur and tiny particle impurities in the desulfurization waste liquid are removed, desulfurization clear liquid is obtained and is sent to a clear liquid tank 8 for storage, and the color of the desulfurization clear liquid is lighter and the peculiar smell is smaller at the moment, so that the environmental protection problem that the desulfurization waste liquid emits large peculiar smell and causes great pollution to production posts is solved; the desulfurization clear liquid obtained by filtering the porous composite filter material ceramic filter 6 and the active carbon adsorption ceramic filter 7 by the method is backwashed periodically to prevent the desulfurization waste liquid from precipitating crystallization in the conveying process to block a conveying pipeline, and the backwashed liquid flows back to the desulfurization waste liquid tank 1 for circular treatment;
C. the desulfurization clear liquid in the clear liquid tank 8 is respectively sent to a washing and purifying tower 10 and a tail gas cooler 13 through a clear liquid pump 9;
D. in the embodiment, a pressure type sulfur melting device 15 is adopted, sulfur melting tail gas generated when the sulfur melting device 15 is used for pressure relief enters the tail gas cooler 13 through a pressure relief valve 15-1 and a tail gas inlet I13-1, and exchanges heat with desulfurization clear liquid sent into the tail gas cooler 13; on the other hand, when sulfur is discharged by the sulfur melting device 15, the sulfur is put into the sulfur discharge chamber 16 by opening the sulfur valve 15-2, the generated sulfur-melting tail gas rises to the top of the sulfur discharge chamber 16 and is collected by the sulfur-melting tail gas collecting hood 17, then enters the tail gas cooler 13 through the tail gas inlet I13-1, exchanges heat with the desulfurization clear liquid sent into the tail gas cooler 13, is heated in the tail gas cooler 13 and then is sent to the salt extraction system equipment 14 to extract and produce sodium sulfate and sodium thiocyanate auxiliary salt products, the waste heat of the sulfur-melting tail gas is fully utilized, meanwhile, the sulfur-melting tail gas is indirectly cooled through the desulfurization clear liquid, most of water vapor and part of the sulfur-melting tail gas can be condensed or harmful gas which can be dissolved in water is formed into condensed waste liquid and is removed, the sulfur-melting tail gas is initially purified in the tail gas cooler 13 and is cooled to 70-80 ℃, then enters the tail gas fan 12 from the tail gas outlet I13-3 and is sent into the washing purification tower 10 through the tail gas inlet II 10-4, the clear liquid sent into the washing purification tower 10 through the tail gas fan 12 is sprayed into the washing purification tower 10-2 to wash the sulfur-melting system to spray the clean the sulfur-melting tail gas, and the tail gas is further treated through the spray system to reduce the spray and the exhaust system to have the exhaust effect cs after the spray and the spray system is cooled to be cooled to the exhaust system to the exhaust gas is reduced to the exhaust temperature of VOCs after the exhaust system is further treated and the exhaust system is subjected to spray and the exhaust and has the exhaust system and the exhaust system is reduced and the exhaust and has the exhaust effect and the exhaust system; the desulfurization clear liquid fed into the washing purification tower 10 from the desulfurization clear liquid inlet II 10-3 is changed into washing waste liquid after being sprayed and washed with sulfur melting tail gas, and the washing waste liquid and condensed waste liquid condensed in the tail gas cooler 13 are fed into the desulfurization waste liquid tank 1 for circulation treatment, so that the purposes of waste utilization of the desulfurization waste liquid, residual energy application of the sulfur melting tail gas, emission of pollutants in the sulfur melting tail gas and no generation of new waste water in the whole purification process are realized, and the purposes of waste utilization, emission reduction and energy consumption reduction are realized.
It should be noted that: the above embodiments are presented to illustrate the technical solution of the present utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides a coal gas desulfurization waste liquid and melt sulfur tail gas integrated purification system, includes desulfurization waste liquid groove (1) and melts sulfur tail gas collection device, its characterized in that: according to desulfurization waste liquid outflow direction, desulfurization waste liquid groove (1) communicate pressure filter (3), intermediate tank (4), primary filter, secondary filter and clear liquid groove (8) in proper order, clear liquid groove (8) communicate washing purification tower (10) and tail gas cooler (13) respectively, the first (13-1) intercommunication of tail gas import of tail gas cooler (13) melt sulfur tail gas collection device, the tail gas export intercommunication washing purification tower (10) of tail gas cooler (13).
2. The integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas according to claim 1, wherein: the desulfurization waste liquid tank (1) with be equipped with waste liquid pump (2) on the pipeline between pressure filter (3), intermediate tank (4) with be equipped with intermediate tank pump (5) on the pipeline between the one-level filter, be connected with clear liquid pump (9) on the liquid outlet pipeline of clear liquid groove (8) exhaust gas cooler (13) with be equipped with tail gas fan (12) between washing purification tower (10), the air inlet of this tail gas fan with exhaust gas outlet one (13-3) of exhaust gas cooler (13) is connected, the gas outlet of this tail gas fan with exhaust gas inlet two (10-4) of washing purification tower (10) communicate.
3. The integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas according to claim 2, wherein: the sulfur melting tail gas collecting device comprises a sulfur melting device (15), wherein a pressure release valve (15-1) is arranged at the top of the sulfur melting device and connected with a first tail gas inlet (13-1) of a tail gas cooler (13), a sulfur release valve (15-2) is arranged on a bottom pipeline of the sulfur melting device (15), a sulfur release chamber (16) is arranged below the sulfur release valve, a sulfur melting tail gas collecting cover (17) is arranged right above the sulfur release chamber (16), and the sulfur melting tail gas collecting cover is connected with the first tail gas inlet (13-1) of the tail gas cooler (13).
4. The integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas according to claim 3, wherein: the tail gas cooler (13) is provided with a desulfurization clear liquid inlet I (13-2), and the desulfurization clear liquid inlet I is connected with a liquid outlet pipeline of the clear liquid tank (8); the bottom of the tail gas cooler (13) is provided with a desulfurization clear liquid outlet (13-4) which is connected with salt extraction system equipment (14).
5. The integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas according to claim 4, wherein: the washing purification tower (10) is provided with spray equipment (10-2) at the inner middle part thereof, a desulfurization clear liquid inlet II (10-3) is arranged on the washing purification tower (10) at the position of the spray equipment (10-2), and the desulfurization clear liquid inlet II is communicated with a liquid outlet pipeline of the clear liquid tank (8); a second tail gas outlet (10-1) is arranged at the top of the washing and purifying tower (10), and the second tail gas outlet is connected with a VOCs treatment system (11); the lower part of the washing and purifying tower (10) is provided with a second tail gas inlet (10-4), the tower wall of the washing and purifying tower (10) is provided with a washing waste liquid outlet (10-5) below the second tail gas inlet (10-4), and the washing waste liquid outlet is connected with the desulfurization waste liquid tank (1).
6. The integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas according to claim 3, wherein: the primary filter is a porous composite filter material ceramic filter (6), the secondary filter is an activated carbon adsorption ceramic filter (7), desulfurization waste liquid inlets are respectively formed in the tops of the porous composite filter material ceramic filter (6) and the activated carbon adsorption ceramic filter (7), and the bottoms of the porous composite filter material ceramic filter (6) and the activated carbon adsorption ceramic filter (7) are respectively connected with a back flushing pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960895.8U CN219764985U (en) | 2023-04-25 | 2023-04-25 | Integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960895.8U CN219764985U (en) | 2023-04-25 | 2023-04-25 | Integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764985U true CN219764985U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320960895.8U Active CN219764985U (en) | 2023-04-25 | 2023-04-25 | Integrated purification system for gas desulfurization waste liquid and sulfur melting tail gas |
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| Country | Link |
|---|---|
| CN (1) | CN219764985U (en) |
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2023
- 2023-04-25 CN CN202320960895.8U patent/CN219764985U/en active Active
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