CN212068316U - Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system - Google Patents
Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system Download PDFInfo
- Publication number
- CN212068316U CN212068316U CN201922267782.6U CN201922267782U CN212068316U CN 212068316 U CN212068316 U CN 212068316U CN 201922267782 U CN201922267782 U CN 201922267782U CN 212068316 U CN212068316 U CN 212068316U
- Authority
- CN
- China
- Prior art keywords
- communicated
- tank
- dust removal
- wastewater treatment
- sodium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a system for desulfurizing, dedusting and treating wastewater by a sodium-calcium double-alkali method, which comprises a desulfurizing tower, a dedusting device and a wastewater treatment device; the upper part of the desulfurizing tower is provided with a flue gas outlet pipe which is communicated with a dust removal device; the bottom of the desulfurization tower is communicated with a wastewater treatment device; the wastewater treatment device comprises a water return pipe, and the water return pipe is sequentially communicated with three oxygenation pools and three replacement pools; the third displacement tank is communicated with the sedimentation tank; the upper part of the sedimentation tank is communicated with a circulating tank, and the circulating tank is communicated with a spraying device; the bottom of the sedimentation tank is communicated with the gypsum slurry tank; the gypsum slurry pool is communicated with the dehydrator; the utility model can reduce the energy consumption of the equipment, and is beneficial to energy conservation and consumption reduction; the sufficient quantity of the circulating water can be ensured, and the normal and stable operation of the system can be ensured; the wastewater can be thoroughly treated, the utilization rate of circulating water is improved, water is saved, and environmental pollution is reduced; the fire hazard can be prevented, and the system safety is improved.
Description
Technical Field
The utility model relates to a sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system, which belongs to the technical field of chemical equipment.
Background
In the process of economic development, the damage of human beings to the environment is increasingly serious, the continuous occurrence of natural disasters enables people to continuously improve the understanding of environmental protection, the treatment strength of industrial coal-fired boilers is also continuously improved, and meanwhile, the emission index, the smoke index and the waste water of sulfur dioxide in various places are gradually stricter and stricter. As a large household for discharging atmospheric pollutants, boiler flue gas becomes a treatment object of an environmental protection department, and the requirements for dedusting and desulfurizing the boiler flue gas are stricter and stricter, and the safety of the operation of a desulfurizing device is unstable in recent years, so that various desulfurizing and dedusting systems are concerned by the society.
The existing desulfurization dust removal system has the following problems:
1. the energy consumption is high, and the power consumption equipment of power plant is high, is unfavorable for energy saving and consumption reduction.
2. The glass fiber reinforced plastic equipment adopted in the modification of the desulfurization project is more, the fire disaster is easy to happen, and potential safety hazards exist.
3. The problem of insufficient circulating water is easily generated in the desulfurization and dust removal process, and the normal operation of the system is influenced; and the wastewater generated in the desulfurization and dust removal processes is not thoroughly treated, the utilization rate of circulating water is low, the waste of water resources is serious, and environmental pollution can be caused.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a system for desulfurizing, dedusting and treating wastewater by a sodium-calcium double alkali method, which can reduce the energy consumption of equipment and is beneficial to energy conservation and consumption reduction; the sufficient quantity of the circulating water can be ensured, and the normal and stable operation of the system can be ensured; the wastewater can be thoroughly treated, the utilization rate of circulating water is improved, water is saved, and environmental pollution is reduced; the fire hazard can be prevented, and the system safety is improved.
For solving the technical problem, the utility model discloses a following technical scheme: a system for desulfurizing, dedusting and treating wastewater by a sodium-calcium double-alkali method comprises a desulfurizing tower, a dedusting device and a wastewater treatment device; a spraying device is arranged at the top in the desulfurizing tower; a flue gas outlet pipe is arranged at the upper part of the desulfurizing tower and communicated with a dust removal device; the bottom of the desulfurization tower is communicated with a wastewater treatment device; the wastewater treatment device comprises a water return pipe, wherein the water outlet end of the water return pipe is sequentially communicated with a first oxygenation tank, a second oxygenation tank and a third oxygenation tank, and the third oxygenation tank is sequentially communicated with a first replacement tank, a second replacement tank and a third replacement tank; the third displacement tank is communicated with the sedimentation tank; the upper part of the sedimentation tank is communicated with a circulating tank, and the circulating tank is communicated with a spraying device through a pipeline; the bottom of the sedimentation tank is communicated with the gypsum slurry tank through a pipeline; the gypsum slurry pool is communicated with the dehydrator.
Furthermore, the water return pipe is of a U-shaped structure, the water inlet end of the water return pipe is arranged at the bottom of the desulfurization tower, and the water outlet end of the water return pipe is inserted into the first oxygenation tank; and a liquid level height difference is formed between the water inlet and the water outlet of the water return pipe.
Furthermore, the tops of the desulfurizing tower and the dust removal device are communicated with cooling pipelines, and the cooling pipelines respectively penetrate into the upper parts of the desulfurizing tower and the dust removal device; the cooling pipeline is communicated with the cooling pool, and a cooling water pump is arranged on the cooling pipeline; and the cooling water pump is communicated with the main control box.
Further, the bottom of desulfurizing tower is provided with the flue gas and goes into the pipe, be provided with the draught fan on the flue gas is gone into the pipe.
The smoke alarm and the temperature alarm are arranged at one end of the smoke inlet pipe close to the desulfurizing tower; the group of smoke alarm and temperature alarm are arranged on the flue gas outlet pipe and close to one end of the desulfurizing tower; the other group of smoke-sensitive alarm and temperature alarm are arranged on the smoke outlet pipe and close to one end of the dust removal device; the smoke sensing alarm and the temperature alarm are both communicated with the main control box.
Further, a water outlet of the dehydrator is communicated with a second oxygenation tank; the gypsum slurry pool is also directly communicated with the second oxygenation pool.
Further, the first oxygenation pond, the second oxygenation pond and the third oxygenation pond are all communicated with an oxidation fan, and the oxidation fan is used for oxygenating the oxygenation ponds.
Furthermore, a regeneration water return pump is arranged on the water return pipe, and the liquid in the desulfurization tower is pumped into the water return pipe by the regeneration water return pump.
Further, the first replacement pool and the second replacement pool are both communicated with a lime slaker, and the lime slaker adds lime into the first replacement pool and the second replacement pool.
Furthermore, a circulating pump is arranged on a pipeline between the circulating pool and the spraying device; the circulation tank is also communicated with an alkali liquor storage tank, and a sodium hydroxide solution is stored in the alkali liquor storage tank; the number of the sedimentation tanks is two, and one sedimentation tank is used for standby.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can reduce the energy consumption of the equipment, and is beneficial to energy conservation and consumption reduction; the sufficient quantity of the circulating water can be ensured, and the normal and stable operation of the system can be ensured; the wastewater can be thoroughly treated, the utilization rate of circulating water is improved, water is saved, and environmental pollution is reduced; the fire hazard can be prevented, and the system safety is improved.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, the position of the upper end of the main shaft,
1-a desulfurizing tower, 101-a spraying device, 2-a dedusting device, 3-a chimney, 4-a flue gas inlet pipe, 5-an induced draft fan, 6-a flue gas outlet pipe, 7-a water return pipe, 8-a regeneration water return pump, 9-a first oxygenation tank, 10-a second oxygenation tank, 11-a third oxygenation tank, 12-an oxidation fan, 13-a first replacement tank, 14-a second replacement tank, 15-a third replacement tank, 16-a lime slaker, 17-a first sedimentation tank, 18-a second sedimentation tank, 19-a circulation tank, 20-a gypsum slurry tank, 21-a circulation pump, 22-a dehydrator, 23-an alkali liquor storage tank, 24-a cooling pipeline, 25-a cooling tank, 26-a cooling water pump, 27-a smoke sensing alarm and 28-a temperature alarm.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Embodiment 1 a system for desulfurizing, dedusting and treating wastewater by a sodium-calcium double-alkali method
The utility model discloses in relate to main chemical reaction as follows:
the principle of sodium-calcium dual-alkali desulphurization is as follows:
SO2+2NaOH = Na2SO3+ H2O, the reaction being carried out in a desulfurization tower
Oxidation process Na2SO3+1/2O2 = Na2SO4, the reaction is carried out in an oxygen adding pool
And (3) replacement reaction: na2SO4+ ca (oh)2 = CaSO4+2NaOH, the reaction being carried out in a displacement cell
As shown in fig. 1, the utility model provides a system for desulfurizing, dedusting and treating wastewater by a sodium-calcium double alkali method, which comprises a desulfurizing tower 1, a dedusting device 2 and a wastewater treatment device; a spraying device 101 is arranged at the top in the desulfurizing tower 1, and the spraying device 101 sprays sodium hydroxide solution to desulfurize the flue gas; a flue gas inlet pipe 4 is arranged at the bottom of the desulfurizing tower 1, and a draught fan 5 is arranged on the flue gas inlet pipe 4; a flue gas outlet pipe 6 is arranged at the upper part of the desulfurizing tower 1, the flue gas outlet pipe 6 is communicated with a dust removal device 2, the dust removal device 2 is used for wet electric dust removal, and micro-particle treatment is carried out on desulfurized flue gas; the smoke outlet of the dust removing device 2 is communicated with the smoke tube 3.
The bottom of the desulfurizing tower 1 is communicated with a wastewater treatment device; waste water treatment device includes wet return 7, wet return 7 is U type structure, wet return 7 intakes the end setting in the bottom of desulfurizing tower 1, be provided with regeneration return pump 8 on wet return 7, regeneration return pump 8 is gone into wet return 7 with the liquid pump in the desulfurizing tower 1.
The water outlet end of the water return pipe 7 is inserted into the first oxygenation tank 9, the lowest liquid level of the desulfurization tower 1 is higher than the highest liquid level of the first oxygenation tank 9, the horizontal height of the water outlet of the water return pipe 7 is lower than the horizontal height of the water inlet, a liquid level height difference is formed between the water inlet and the water outlet of the water return pipe 7, and therefore after the water return pipe 7 is filled with liquid, the liquid in the desulfurization tower 1 continuously flows into the first oxygenation tank 9 under the action of liquid pressure and atmospheric pressure, and the phenomenon is called a siphon principle.
The water outlet end of the first oxygenation pond 9 is sequentially communicated with a second oxygenation pond 10 and a third oxygenation pond 11, the first oxygenation pond 9, the second oxygenation pond 10 and the third oxygenation pond 11 are all communicated with an oxidation fan 12, the oxidation fan 12 is used for oxygenating the oxygenation ponds, and sodium sulfite formed in the desulfurizing tower 1 is further oxidized to completely form sodium sulfate.
The third oxygenation tank 11 is sequentially communicated with a first replacement tank 13, a second replacement tank 14 and a third replacement tank 15, the first replacement tank 13 and the second replacement tank 14 are both communicated with a lime slaker 16, the lime slaker 16 adds lime into the first replacement tank 13 and the second replacement tank 14, and sodium-calcium replacement reaction is carried out to generate sodium hydroxide suspension.
The third displacement tank 15 is simultaneously communicated with a first sedimentation tank 17 and a second sedimentation tank 18, wherein the second sedimentation tank 18 is reserved; the sodium hydroxide suspension in the third displacement tank 15 enters a first sedimentation tank 17 for sedimentation, gypsum slurry is arranged at the bottom of the first sedimentation tank 17, and a sodium hydroxide solution is arranged at the upper part of the first sedimentation tank 17.
The upper parts of the first sedimentation tank 17 and the second sedimentation tank 18 are communicated with a circulation tank 19, so that the sodium hydroxide solution at the middle upper part of the sedimentation tanks flows into the circulation tank 19 for cyclic utilization, and the circulation tank 19 is communicated with a spray device in the desulfurizing tower 1 through a pipeline; and a circulating pump 21 is arranged on a pipeline between the circulating pool 19 and the desulfurizing tower 1, and liquid is pumped into a spraying device of the desulfurizing tower 1 through the circulating pump 21.
The circulation tank 19 is also communicated with an alkali liquor storage tank 23, a sodium hydroxide solution is stored in the alkali liquor storage tank 23, and when the sodium alkali in the circulation tank 19 is insufficiently absorbed, the sodium alkali can be supplemented through the alkali liquor storage tank 23.
The bottom of the first sedimentation tank 17 and the bottom of the second sedimentation tank 18 are communicated with a gypsum slurry tank 20 through pipelines, a mud suction machine is arranged on the pipeline between the gypsum slurry tank 20 and the sedimentation tank, and gypsum slurry at the bottom of the sedimentation tank is sucked into the gypsum slurry tank 20 through the mud suction machine.
The gypsum slurry tank 20 is in communication with a dewatering machine 22, and the dewatering machine 22 dewaters the gypsum slurry.
The water outlet of the dehydrator 22 is communicated with the second oxygenation tank 10, and the wastewater generated by the dehydrator 22 flows back to the second oxygenation tank 10 for recycling treatment.
The gypsum slurry pool 20 is also directly communicated with the second oxygenation pool 10, and wastewater generated by continuous sedimentation of gypsum slurry in the gypsum slurry pool 20 flows back to the second oxygenation pool 10 for recycling treatment.
The tops of the desulfurizing tower 1 and the dust removing device 2 are communicated with a cooling pipeline 24, and the cooling pipeline 24 respectively extends into the upper parts of the desulfurizing tower 1 and the dust removing device 2; the cooling pipeline 24 is communicated with a cooling pool 25, a cooling water pump 26 is arranged on the cooling pipeline 24, and the cooling water pump 26 is an electric control water pump; the cooling water pump 26 is communicated with a main control box, and the main control box controls the cooling water pump 26 to be opened and closed.
The utility model is also provided with three groups of smoke-sensitive alarms 27 and temperature alarms 28, wherein one group of smoke-sensitive alarms 27 and temperature alarms 28 is arranged on the flue gas inlet pipe 4 and is close to one end of the desulfurizing tower 1; a group of smoke-sensitive alarms 27 and a group of temperature alarms 28 are arranged on the smoke outlet pipe 6 and close to one end of the desulfurizing tower 1; the other group of smoke-sensitive alarm 27 and temperature alarm 28 are arranged on the smoke outlet pipe 6 close to one end of the dust removing device 2; the smoke alarm 27 and the temperature alarm 28 are both communicated with the main control box; in the desulfurization and dust removal process, when the temperature is too high, the temperature alarm 28 gives an alarm and transmits a signal to the main control box, the main control box controls the cooling water pump 26 to be started, the water in the cooling pool 25 is pumped into the cooling pipeline 24 to cool the desulfurization tower 1 and the dust removal device 2, the temperature is reduced to a certain bottom limit, the temperature alarm 28 transmits the signal to the main control box, and the cooling water pump 26 is turned off; when desulfurization tower equipment needs to be shut down and maintained, if the flue gas is too high, the smoke sensing alarm 28 is manually started, the smoke sensing alarm 28 transmits a signal to the main control box, and the main control box controls the cooling water pump 26 to be started, so that water is sprayed into the desulfurization tower 1 and the dust removal device 2 to remove smoke.
The utility model discloses a theory of operation:
flue gas enters the desulfurizing tower 1 from the flue gas inlet pipe 4, the spraying device 101 sprays sodium hydroxide solution to desulfurize the flue gas, waste liquid generated in the desulfurization process is pumped into the water return pipe 7 through the regeneration water return pump 8, then enters the first oxygenation tank 9, and sequentially passes through the second oxygenation tank 10 and the third oxygenation tank 11; adding oxygen into the oxygen adding pool through an oxidation fan 12, so that the sodium sulfite formed in the desulfurizing tower 1 is further oxidized to form sodium sulfate; the liquid after the oxidation reaction enters a first replacement tank 13, a second replacement tank 14 and a third replacement tank 15 in sequence to carry out sodium-calcium replacement reaction; the liquid after the displacement reaction enters a sedimentation tank for natural sedimentation, and the sodium hydroxide solution at the upper part of the sedimentation tank enters a circulating tank 19 after sedimentation for a spraying device 101 to use; the gypsum slurry at the bottom of the sedimentation tank enters a gypsum slurry tank 20 and then enters a dehydrator 22 for dehydration, and the wastewater generated by dehydration of the dehydrator 22 flows back to the second feeding tank 10 for recycling treatment.
In the desulfurization and dust removal process, when the temperature is too high, the temperature alarm 28 gives an alarm and transmits a signal to the main control box, the main control box controls the cooling water pump 26 to be started, the water in the cooling pool 25 is pumped into the cooling pipeline 24 to cool the desulfurization tower 1 and the dust removal device 2, the temperature is reduced to a certain bottom limit, the temperature alarm 28 transmits the signal to the main control box, and the cooling water pump 26 is turned off; when desulfurization tower equipment needs to be shut down and maintained, if the flue gas is too high, the smoke sensing alarm 28 is manually started, the smoke sensing alarm 28 transmits a signal to the main control box, and the main control box controls the cooling water pump 26 to be started, so that water is sprayed into the desulfurization tower 1 and the dust removal device 2 to remove smoke.
The utility model can reduce the energy consumption of the equipment, and is beneficial to energy conservation and consumption reduction; the sufficient quantity of the circulating water can be ensured, and the normal and stable operation of the system can be ensured; the wastewater can be thoroughly treated, the utilization rate of circulating water is improved, water is saved, and environmental pollution is reduced; the fire hazard can be prevented, and the system safety is improved.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. The utility model provides a sodium-calcium dual-alkali desulfurization, dust removal, effluent disposal system which characterized in that: comprises a desulfurizing tower (1), a dust removal device (2) and a wastewater treatment device; a spraying device (101) is arranged at the top in the desulfurizing tower (1); a flue gas outlet pipe (6) is arranged at the upper part of the desulfurizing tower (1), and the flue gas outlet pipe (6) is communicated with the dust removal device (2); the bottom of the desulfurizing tower (1) is communicated with a wastewater treatment device; the wastewater treatment device comprises a water return pipe (7), wherein the water outlet end of the water return pipe (7) is sequentially communicated with a first oxygenation tank (9), a second oxygenation tank (10) and a third oxygenation tank (11), and the third oxygenation tank (11) is sequentially communicated with a first replacement tank (13), a second replacement tank (14) and a third replacement tank (15); the third replacement tank (15) is communicated with the sedimentation tank; the upper part of the sedimentation tank is communicated with a circulating tank (19), and the circulating tank (19) is communicated with a spraying device (101) through a pipeline; the bottom of the sedimentation tank is communicated with a gypsum slurry tank (20) through a pipeline; the gypsum slurry pool (20) is communicated with the dehydrator (22).
2. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the water return pipe (7) is of a U-shaped structure, the water inlet end of the water return pipe (7) is arranged at the bottom of the desulfurizing tower (1), and the water outlet end of the water return pipe (7) is inserted into the first oxygenation tank (9); and a liquid level height difference is formed between the water inlet and the water outlet of the water return pipe (7).
3. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the tops of the desulfurizing tower (1) and the dedusting device (2) are communicated with a cooling pipeline (24), and the cooling pipeline (24) respectively extends into the upper parts of the desulfurizing tower (1) and the dedusting device (2); the cooling pipeline (24) is communicated with a cooling pool (25), and a cooling water pump (26) is arranged on the cooling pipeline (24); and the cooling water pump (26) is communicated with the main control box.
4. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the bottom of desulfurizing tower (1) is provided with flue gas inlet pipe (4), be provided with draught fan (5) on flue gas inlet pipe (4).
5. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 4, wherein: the device also comprises three groups of smoke-sensitive alarms (27) and temperature alarms (28), wherein one group of smoke-sensitive alarms (27) and temperature alarms (28) are arranged at one end, close to the desulfurizing tower (1), of the smoke inlet pipe (4); a group of smoke-sensitive alarms (27) and a group of temperature alarms (28) are arranged on the smoke outlet pipe (6) and close to one end of the desulfurizing tower (1); the other group of smoke-sensitive alarm (27) and temperature alarm (28) are arranged on the smoke outlet pipe (6) close to one end of the dust removal device (2); the smoke sensing alarm (27) and the temperature alarm (28) are both communicated with the main control box.
6. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the water outlet of the dehydrator (22) is communicated with the second oxygenation tank (10); the gypsum slurry pool (20) is also directly communicated with the second oxygenation pool (10).
7. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the first oxygenation pond (9), the second oxygenation pond (10) and the third oxygenation pond (11) are communicated with an oxidation fan (12), and the oxidation fan (12) is used for oxygenating the oxygenation ponds.
8. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: and a regeneration water return pump (8) is arranged on the water return pipe (7), and the liquid in the desulfurizing tower (1) is pumped into the water return pipe (7) by the regeneration water return pump (8).
9. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: the first replacement pool (13) and the second replacement pool (14) are both communicated with a lime slaker (16), and the lime slaker (16) adds lime into the first replacement pool (13) and the second replacement pool (14).
10. The system for desulfurization, dust removal and wastewater treatment by the sodium-calcium double alkali method as claimed in claim 1, characterized in that: a circulating pump (21) is arranged on a pipeline between the circulating pool (19) and the spraying device (101); an alkali liquor storage tank (23) is also communicated with the circulating tank (19), and a sodium hydroxide solution is stored in the alkali liquor storage tank (23); the number of the sedimentation tanks is two, and one sedimentation tank is used for standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267782.6U CN212068316U (en) | 2019-12-17 | 2019-12-17 | Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267782.6U CN212068316U (en) | 2019-12-17 | 2019-12-17 | Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212068316U true CN212068316U (en) | 2020-12-04 |
Family
ID=73555928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922267782.6U Active CN212068316U (en) | 2019-12-17 | 2019-12-17 | Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212068316U (en) |
-
2019
- 2019-12-17 CN CN201922267782.6U patent/CN212068316U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101934192B (en) | Double-tower ammonia-method desulfurization process | |
| CN103977664B (en) | A kind of method of flue gas desulfurization denitration dust-removing | |
| CN101347706A (en) | Flue gas desulfurization technique using dual alkali method with acetylene sludge as recycling agent | |
| CN104043328A (en) | Regenerated flue gas desulfurizing device and method by alkaline process catalytic cracking | |
| CN201912877U (en) | System for processing medical waste incineration tail gas containing high concentration hydrogen chloride | |
| CN209501361U (en) | Novel energy-conserving Complexing Iron desulphurization plant | |
| CN103480260A (en) | Wet flue gas desulphurization technology by utilization of ethylene waste lye | |
| CN103432888A (en) | Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler | |
| CN108261905A (en) | A kind of denitration integrated device and method | |
| CN212068316U (en) | Sodium-calcium double-alkali desulfurization, dust removal and wastewater treatment system | |
| CN102210967A (en) | Two-stage treatment wet desulphurization method for high-sulfur coal-fired flue gas | |
| CN203577619U (en) | Absorption tower for desulfuration by using wet type calcium method | |
| CN102527219A (en) | Smoke gas wet method sulfur removal and dust removal integral treatment system | |
| CN210206434U (en) | Wet desulphurization device for resource utilization of semidry desulphurization ash | |
| CN205095630U (en) | Two alkaline process dual cycle desulfurization system of sodium calcium | |
| CN107261795A (en) | A kind of flue gas high-efficiency desulfurization equipment and processing method | |
| CN108144416B (en) | Bromine blowing tail gas overall process recovery method and equipment | |
| CN206121505U (en) | Flue gas desulphurization device of zinc smelting power plant for self -supply | |
| CN211487169U (en) | Sodium-alkali method desulphurization device | |
| CN206535416U (en) | A kind of desulfurizer for industrial waste gas | |
| CN208553725U (en) | A kind of calcium and sodium double alkali method desulfurizing device | |
| CN109432998A (en) | A kind of flue gas disappears white system and method | |
| CN205886572U (en) | Petrochemical acidic tail gas processing system | |
| CN211487150U (en) | Acid waste gas absorption device | |
| CN209791265U (en) | Alkaline desulfurization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |