CN220926685U - Waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy - Google Patents
Waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy Download PDFInfo
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- CN220926685U CN220926685U CN202321283621.6U CN202321283621U CN220926685U CN 220926685 U CN220926685 U CN 220926685U CN 202321283621 U CN202321283621 U CN 202321283621U CN 220926685 U CN220926685 U CN 220926685U
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- sodium hypochlorite
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- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 92
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000002699 waste material Substances 0.000 title claims abstract description 53
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title claims abstract description 43
- 238000004064 recycling Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 238000003795 desorption Methods 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 58
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 48
- 239000011734 sodium Substances 0.000 claims description 48
- 229910052708 sodium Inorganic materials 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 19
- 238000006386 neutralization reaction Methods 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 65
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000005997 Calcium carbide Substances 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 4
- 235000019345 sodium thiosulphate Nutrition 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of acetylene production, and particularly discloses a waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy. The utility model has the advantages that: according to the utility model, the slag slurry buffer tank jacket is additionally arranged on the outer wall of the slag slurry buffer tank, so that the heat exchange between the waste sodium hypochlorite and the overflow liquid is realized, and the heat recovery and utilization of the overflow liquid are further realized; meanwhile, the recovery rate of the preheated waste sodium hypochlorite containing the acetylene gas in the sodium hypochlorite desorption tower is higher.
Description
Technical Field
The utility model relates to the technical field of calcium carbide method acetylene PVC sodium hypochlorite cleaning, in particular to a waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy.
Background
The acetylene produced by the calcium carbide method contains impurities such as hydrogen sulfide, phosphine and the like, and the acetylene gas produced by the current calcium carbide method firstly sequentially passes through a spray tower, a water washing tower, a primary cleaning tower and a secondary cleaning tower, and finally enters a neutralization tower for alkali washing, neutralization and collection and utilization. In the process of cleaning acetylene gas, excessive sodium hypochlorite (sodium hypochlorite for short) sequentially passes through a second cleaning tower, a first cleaning tower, a water washing tower and a spray tower to react with H 2 S and PH 3 in the acetylene gas, and then the acetylene gas is converted into dilute sulfuric acid and dilute phosphoric acid. The acetylene gas with H 2 S and PH removed is put into a neutralization tower for alkali washing neutralization, the reacted sodium hypochlorite (namely waste sodium hypochlorite) solution is sent into a sodium hypochlorite desorption tower for separating the acetylene gas, and then the waste sodium hypochlorite solution is cooled by a sodium hypochlorite cooler and then enters a venturi with chlorine and 10% NaOH solution, and the sodium hypochlorite solution is reconfigured to enter a cleaning system for recycling.
However, because the calcium carbide and the water are hydrolyzed, the overflow liquid with heat is generated when the acetylene gas is prepared, the heat waste is caused by directly treating the overflow liquid, and the acetylene gas in the sodium hyposulfite is more easily separated from the sodium hyposulfite in a high-temperature environment. Therefore, how to reasonably utilize the heat of the overflow liquid to improve the recovery rate of acetylene gas is an urgent problem to be solved.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy, so that the problems of poor air environment and heat energy waste in a production field are solved.
The utility model discloses a waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy, which comprises a generator, a cleaning system, a slurry buffer tank, a venturi, a sodium hypochlorite storage tank, a slurry buffer tank jacket and a waste sodium hypochlorite treatment system, wherein the waste sodium hypochlorite treatment system comprises a waste sodium hypochlorite storage tank, a waste sodium hypochlorite storage tank and a waste sodium hypochlorite storage tank; the gas outlet of the generator is communicated with the gas inlet of the cleaning system, the overflow port of the generator is communicated with the liquid inlet of the slurry buffer tank, and the liquid outlet of the slurry buffer tank is communicated with the slurry treatment system through a desorption tower; the liquid outlet of the sodium hypochlorite cooler of the waste sodium hypochlorite treatment system is communicated with the liquid inlet of the venturi through a pipeline, the liquid outlet of the venturi is communicated with the liquid inlet of the sodium hypochlorite storage tank, the emptying pipe of the sodium hypochlorite storage tank is communicated with the liquid inlet of the cleaning system, the liquid outlet of the cleaning system is communicated with the liquid inlet of the slag slurry buffer tank jacket, and the liquid outlet of the slag slurry buffer tank jacket is communicated with the sodium hypochlorite desorption tower of the waste sodium hypochlorite treatment system.
Further, the waste sodium hypochlorite treatment system comprises the sodium hypochlorite desorption tower, a waste sodium hypochlorite buffer tank, a primary water cooling tower, a sodium hypochlorite water storage tank, a secondary water cooling tower and the sodium hypochlorite cooler; the liquid outlet of sediment thick liquid buffer tank cover with the inlet intercommunication of inferior sodium desorption tower, the liquid outlet of inferior sodium desorption tower with the inlet intercommunication of useless inferior sodium buffer tank, the liquid outlet of useless inferior sodium buffer tank with the inlet intercommunication of one-level cooling tower, the liquid outlet of one-level cooling tower with the inlet intercommunication of inferior sodium reservoir, the liquid outlet of inferior sodium reservoir with the inlet intercommunication of second grade cooling tower, the liquid outlet of second grade cooling tower with the inlet intercommunication of inferior sodium cooler.
Further, the cleaning system comprises a second cleaning tower, a first cleaning tower, a water washing tower and a spray tower; the crude acetylene gas outlet of the generator is communicated with the gas inlet of the spray tower, the gas outlet of the spray tower is communicated with the gas inlet of the water washing tower, the gas outlet of the water washing tower is communicated with the gas inlet of the first cleaning tower, and the gas outlet of the first cleaning tower is communicated with the gas inlet of the second cleaning tower; the liquid outlet of the sodium hypochlorite storage tank is communicated with the liquid inlet of the second cleaning tower, the liquid outlet of the second cleaning tower is communicated with the liquid inlet of the first cleaning tower, the liquid outlet of the first cleaning tower is communicated with the liquid inlet of the water washing tower, the liquid outlet of the water washing tower is communicated with the liquid inlet of the spray tower, and the liquid outlet of the spray tower is communicated with the liquid inlet of the slag slurry buffer tank jacket.
Further, the device also comprises a lift pump and a sodium hypochlorite high-level tank, wherein a liquid outlet of the sodium hypochlorite storage tank is communicated with a liquid inlet of the sodium hypochlorite high-level tank through the lift pump, and a liquid outlet of the sodium hypochlorite high-level tank is communicated with a liquid inlet of the second cleaning tower.
Further, it still includes neutralization tower, cooler II and defroster, the gas outlet of two towers of cleaning with neutralization tower's air inlet intercommunication, neutralization tower's gas outlet with cooler II's air inlet intercommunication, cooler II's gas outlet with the air inlet intercommunication of defroster, the gas outlet intercommunication VCM workshop of defroster.
Further, it still includes cooler I, vacuum pump, gas buffer tank and gas holder, the gas vent of inferior sodium desorption tower with the air inlet intercommunication of cooler I, the gas vent of cooler I pass through the vacuum pump with the air inlet intercommunication of gas buffer tank, the gas vent of gas buffer tank with the air inlet intercommunication of gas holder.
Further, the sewage treatment system also comprises a recycling pool and an outward-discharging pool, wherein the liquid outlet of the secondary cooling water tower is communicated with the liquid inlet of the recycling pool, the overflow port of the recycling pool is communicated with the liquid inlet of the outward-discharging pool, and the liquid outlet of the outward-discharging pool is communicated with the sewage treatment system; and a liquid outlet of the recycling pool is communicated with a liquid inlet of the sodium hypochlorite cooler.
Further, the exhaust port of the desorption tower is communicated with the air inlet of the cooler I.
The utility model has the advantages that: the waste sodium hypochlorite from the cleaning system is preheated by the slag slurry buffer tank jacket with temperature and then enters the sodium hypochlorite desorption tower to carry out gas-liquid separation, so that the recovery rate of acetylene gas in the waste sodium hypochlorite is effectively improved, the cost is reduced, the efficiency is improved, and meanwhile, the influence of dissolved acetylene gas in the waste sodium hypochlorite on the production safety is reduced; meanwhile, the heat of overflow liquid in the generator is well utilized, and the waste of heat energy is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Sodium hypochlorite cooler 1, venturi 2, sodium hypochlorite storage tank 3, lift pump 301, sodium hypochlorite overhead tank 4, second cleaning tower 5, first cleaning tower 6, water scrubber 7, spray tower 8, slurry buffer tank 9, slurry buffer tank jacket 901, sodium hypochlorite desorption tower 10, spent sodium hypochlorite buffer tank 11, primary cooling tower 12, sodium hypochlorite water storage tank 13, secondary cooling tower 14, generator 15, cooler I16, gas buffer tank 17, gas holder 18, neutralization tower 19, cooler II 20, demister 21, VCM workshop 22, vacuum pump 23, reuse tank 24, discharge tank 25, sewage treatment system 26, desorption tower 27, slurry treatment system 28.
Detailed Description
As shown in fig. 1, the waste sodium recovery acetylene gas treatment system capable of recycling heat energy comprises a cleaning system, a venturi 2, a sodium hypochlorite storage tank 3, a slurry buffer tank jacket 901, a sodium hypochlorite desorption tower 10, a waste sodium hypochlorite buffer tank 11, a primary cooling tower 12, a sodium hypochlorite storage tank 13, a secondary cooling tower 14, a sodium hypochlorite cooler 1, a generator 15, a slurry buffer tank 9, a lifting pump 301, a sodium hypochlorite overhead tank 4, a neutralization tower 19, a cooler II 20, a demister 21, a cooler I16, a vacuum pump 23, a gas buffer tank 17 and a gas holder 18; the cleaning system comprises a second cleaning tower 5, a first cleaning tower 6, a water washing tower 7 and a spray tower 8.
The liquid outlet of inferior sodium cooler 1 passes through the pipeline intercommunication with the inlet of venturi 2, the liquid outlet of venturi 2 communicates with the inlet of inferior sodium storage tank 3, the liquid outlet of inferior sodium storage tank 3 communicates with the inlet of inferior sodium elevated tank 4 through elevator pump 301, the liquid outlet of inferior sodium elevated tank 4 communicates with the inlet of the second tower 5 of cleaning, the liquid outlet of the second tower 5 of cleaning communicates with the inlet of the first tower 6 of cleaning, the liquid outlet of the first tower 6 of cleaning communicates with the inlet of the washing tower 7, the liquid outlet of the washing tower 7 communicates with the inlet of the spray tower 8, the liquid outlet of spray tower 8 communicates with the inlet of the slag slurry buffer tank jacket 901. The liquid outlet of sediment thick liquid buffer tank cover 901 is linked together with the inlet of inferior sodium desorption tower 10, and the liquid outlet of inferior sodium desorption tower 10 is linked together with the inlet of useless inferior sodium buffer tank 11, and the liquid outlet of useless inferior sodium buffer tank 11 is linked together with the inlet of first-stage cooling tower 12, and the liquid outlet of first-stage cooling tower 12 is linked together with the inlet of inferior sodium reservoir 13, and the liquid outlet of inferior sodium reservoir 13 is linked together with the inlet of second-stage cooling tower 14, and the liquid outlet of second-stage cooling tower 14 is linked together with the inlet of inferior sodium cooler 1.
The sewage treatment system also comprises a recycling pool 24 and an outer discharge pool 25, wherein the liquid outlet of the secondary cooling water tower 14 is communicated with the liquid inlet of the recycling pool 24, the overflow port of the recycling pool 24 is communicated with the liquid inlet of the outer discharge pool 25, and the liquid outlet of the outer discharge pool 25 is communicated with the sewage treatment system 26; the liquid outlet of the recycling pool 24 is communicated with the liquid inlet of the sodium hypochlorite cooler 1.
The overflow port of the generator 15 is communicated with the liquid inlet of the slurry buffer tank 9, the liquid outlet of the slurry buffer tank 9 is communicated with the liquid inlet of the desorption tower 27, the liquid discharged from the desorption tower 27 enters the slurry treatment system 28 through a pipeline, and the acetylene gas discharged from the desorption tower 27 enters the cooler I16 through a pipeline for recovery.
The crude acetylene gas vent of generator 15 communicates with air inlet of spray tower 8, the gas outlet of spray tower 8 communicates with air inlet of water scrubber 7, the gas outlet of water scrubber 7 communicates with air inlet of cleaning first tower 6, the gas outlet of cleaning first tower 6 communicates with air inlet of cleaning second tower 5, the gas outlet of cleaning second tower 5 communicates with air inlet of neutralization tower 19, the gas outlet of neutralization tower 19 communicates with air inlet of cooler II 20, the gas outlet of cooler II 20 communicates with air inlet of demister 21, the gas outlet of demister 21 communicates with VCM workshop 22.
The exhaust port of the sodium hypochlorite elimination tower 10 is communicated with the air inlet of a cooler I16, the exhaust port of the cooler I16 is communicated with the air inlet of a gas buffer tank 17 through a vacuum pump 23, and the exhaust port of the gas buffer tank 17 is communicated with the air inlet of a gas holder 18.
Working principle: the calcium carbide and water are subjected to hydrolysis reaction in a generator 15 to generate crude acetylene gas, and the crude acetylene gas is purified by alkali liquor in a neutralization tower 19 after passing through a spray tower 8, a water washing tower 7, a first purifying tower 6 and a second purifying tower 5 of a purifying system in sequence; the acetylene gas from the neutralization tower 19 is cooled by a cooler II 20, the moisture and a small amount of acid are removed by a demister 21, and then the acetylene gas enters a VCM workshop 22 to be combined with hydrogen chloride to participate in the preparation of vinyl chloride. The liquid overflowed from the generator 15 enters the slurry buffer tank 9, the temperature of the slurry buffer tank 9 is higher due to higher temperature of the overflow liquid, and the liquid discharged from the slurry buffer tank 9 firstly enters the desorption tower 27 and then enters the slurry treatment system 28 for treatment; the acetylene gas discharged from the stripping column 27 is fed to the cooler I16 via a pipe for recovery.
The waste sodium from the cleaning system enters a waste sodium treatment system, sequentially passes through a sodium precipitation tower 10, a waste sodium buffer tank 11, a primary cooling water tower 12, a sodium water storage tank 13, a secondary cooling water tower 14 and a sodium cooler 1, at this time, the waste sodium is subjected to purification treatment, the content of Cl - contained in the waste sodium is low, in order to be reused, resources are not wasted, the treated waste sodium reenters the system, chlorine and 10% NaOH solution are configured to obtain new sodium through a venturi 2, the new sodium enters a sodium storage tank 3, the sodium storage tank 3 conveys sodium to a sodium high-level tank 4 through a lifting pump 301, and then sequentially enters a cleaning second tower 5, a cleaning first tower 6, a water washing tower 7 and a spray tower 8 for cleaning crude acetylene gas, and sulfur and other impurities in the crude acetylene gas are removed. Waste sodium discharged from the spray tower 8 enters a slag slurry buffer tank jacket 901 to exchange heat with overflow liquid with the temperature not lower than 60 ℃ discharged from the generator 15, waste sodium absorbing heat enters a sodium hyposulfite desorption tower 10, and acetylene gas dissolved in waste sodium solution is resolved in the sodium hyposulfite desorption tower 10 in a heating and depressurization mode by utilizing the characteristic that the solubility of the acetylene gas in water is reduced along with the increase of the temperature and the reduction of the pressure, cooled by a cooler I16, pumped to a gas buffer tank 17 by a vacuum pump 23 and finally enters a gas holder 18.
The waste sodium from the sodium hypochlorite precipitation tower 10 enters the waste sodium hypochlorite buffer tank 11, and then is naturally cooled by the first-stage cooling tower 12, the sodium hypochlorite water storage tank 13 and the second-stage cooling tower 14. The cooled waste sodium hypochlorite enters a recycling pool 24 for standby, is cooled by a sodium hypochlorite cooler 1, enters a Venturi 2 and participates in the recycling of a new round; the recycling pool 24 overflows part of waste sodium hypochlorite into the discharge pool 25 through an overflow port, and finally is discharged after reaching the standard through the sewage treatment system 26.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy is characterized by comprising a generator, a cleaning system, a slurry buffer tank, a venturi, a sodium hypochlorite storage tank, a slurry buffer tank jacket and a waste sodium hypochlorite treatment system;
The gas outlet of the generator is communicated with the gas inlet of the cleaning system, the overflow port of the generator is communicated with the liquid inlet of the slurry buffer tank, and the liquid outlet of the slurry buffer tank is communicated with the slurry treatment system through a desorption tower; the liquid outlet of the sodium hypochlorite cooler of the waste sodium hypochlorite treatment system is communicated with the liquid inlet of the venturi through a pipeline, the liquid outlet of the venturi is communicated with the liquid inlet of the sodium hypochlorite storage tank, the emptying pipe of the sodium hypochlorite storage tank is communicated with the liquid inlet of the cleaning system, the liquid outlet of the cleaning system is communicated with the liquid inlet of the slag slurry buffer tank jacket, and the liquid outlet of the slag slurry buffer tank jacket is communicated with the sodium hypochlorite desorption tower of the waste sodium hypochlorite treatment system.
2. The waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy according to claim 1, wherein the waste sodium hypochlorite treatment system comprises the sodium hypochlorite desorption tower, a waste sodium hypochlorite buffer tank, a primary cooling tower, a sodium hypochlorite water tank, a secondary cooling tower and the sodium hypochlorite cooler;
The liquid outlet of sediment thick liquid buffer tank cover with the inlet intercommunication of inferior sodium desorption tower, the liquid outlet of inferior sodium desorption tower with the inlet intercommunication of useless inferior sodium buffer tank, the liquid outlet of useless inferior sodium buffer tank with the inlet intercommunication of one-level cooling tower, the liquid outlet of one-level cooling tower with the inlet intercommunication of inferior sodium reservoir, the liquid outlet of inferior sodium reservoir with the inlet intercommunication of second grade cooling tower, the liquid outlet of second grade cooling tower with the inlet intercommunication of inferior sodium cooler.
3. The system for treating waste sodium hypochlorite recycling acetylene gas capable of recycling heat energy according to claim 1, wherein the cleaning system comprises a second cleaning tower, a first cleaning tower, a water washing tower and a spray tower;
The crude acetylene gas outlet of the generator is communicated with the gas inlet of the spray tower, the gas outlet of the spray tower is communicated with the gas inlet of the water washing tower, the gas outlet of the water washing tower is communicated with the gas inlet of the first cleaning tower, and the gas outlet of the first cleaning tower is communicated with the gas inlet of the second cleaning tower;
The liquid outlet of the sodium hypochlorite storage tank is communicated with the liquid inlet of the second cleaning tower, the liquid outlet of the second cleaning tower is communicated with the liquid inlet of the first cleaning tower, the liquid outlet of the first cleaning tower is communicated with the liquid inlet of the water washing tower, the liquid outlet of the water washing tower is communicated with the liquid inlet of the spray tower, and the liquid outlet of the spray tower is communicated with the liquid inlet of the slag slurry buffer tank jacket.
4. The waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy according to claim 3, further comprising a lifting pump and a sodium hypochlorite high-level tank, wherein a liquid outlet of the sodium hypochlorite storage tank is communicated with a liquid inlet of the sodium hypochlorite high-level tank through the lifting pump, and a liquid outlet of the sodium hypochlorite high-level tank is communicated with a liquid inlet of the second cleaning tower.
5. The system for treating waste sodium and recycled acetylene gas capable of recycling heat energy according to claim 4, further comprising a neutralization tower, a cooler II and a demister, wherein an air outlet of the second cleaning tower is communicated with an air inlet of the neutralization tower, an air outlet of the neutralization tower is communicated with an air inlet of the cooler II, an air outlet of the cooler II is communicated with an air inlet of the demister, and an air outlet of the demister is communicated with a VCM workshop.
6. The system for treating waste sodium hypochlorite recycling acetylene gas capable of recycling heat energy according to claim 5, further comprising a cooler I, a vacuum pump, a gas buffer tank and a gas holder, wherein the exhaust port of the sodium hypochlorite stripping tower is communicated with the air inlet of the cooler I, the exhaust port of the cooler I is communicated with the air inlet of the gas buffer tank through the vacuum pump, and the exhaust port of the gas buffer tank is communicated with the air inlet of the gas holder.
7. The waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy according to claim 6, further comprising a recycling tank and an outward discharging tank, wherein a liquid outlet of the secondary cooling water tower is communicated with a liquid inlet of the recycling tank, an overflow port of the recycling tank is communicated with a liquid inlet of the outward discharging tank, and a liquid outlet of the outward discharging tank is communicated with the sewage treatment system; and a liquid outlet of the recycling pool is communicated with a liquid inlet of the sodium hypochlorite cooler.
8. The system for treating waste sodium hypochlorite recycle acetylene gas capable of recycling heat energy according to claim 7, wherein the exhaust port of the desorption tower is communicated with the air inlet of the cooler I.
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CN202321283621.6U CN220926685U (en) | 2023-05-24 | 2023-05-24 | Waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy |
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CN202321283621.6U CN220926685U (en) | 2023-05-24 | 2023-05-24 | Waste sodium hypochlorite recycling acetylene gas treatment system capable of recycling heat energy |
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