CN212663207U - Baking soda dry purification device for waste incineration flue gas treatment - Google Patents
Baking soda dry purification device for waste incineration flue gas treatment Download PDFInfo
- Publication number
- CN212663207U CN212663207U CN202021325038.3U CN202021325038U CN212663207U CN 212663207 U CN212663207 U CN 212663207U CN 202021325038 U CN202021325038 U CN 202021325038U CN 212663207 U CN212663207 U CN 212663207U
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- China
- Prior art keywords
- baking soda
- flue gas
- storage bin
- purification device
- gas treatment
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
- B01D2258/0291—Flue gases from waste incineration plants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the flue gas treatment field, concretely relates to baking soda dry purification device that msw incineration flue gas was handled. The device comprises a storage bin, a vector weighing system, a grinding device, a centrifugal fan and an injection device, wherein the storage bin is used for storing large-particle baking soda, the vector weighing system is used for weighing the large-particle baking soda released from the storage bin, the grinding device is used for grinding the weighed large-particle baking soda into baking soda powder, the centrifugal fan is used for conveying the baking soda powder to the injection device, the injection device is used for injecting the baking soda powder into a flue so that the baking soda powder and acidic gas in the flue can generate chemical reaction, a material level sensor and a longitudinal stirring shaft are arranged in the storage bin, a feeding pipe is arranged between the storage bin and the vector weighing system, a flow meter and an electromagnetic valve are arranged on the feeding pipe, and the material level sensor and the flow electromagnetic valve are both connected with a control system; the injection device comprises an injection pipeline and a plurality of nozzles arranged below the injection pipeline.
Description
Technical Field
The utility model belongs to the flue gas treatment field, concretely relates to baking soda dry purification device that msw incineration flue gas was handled.
Background
With the stricter requirements of the national environmental protection policy, according to the main targets mentioned in the comprehensive working scheme of energy conservation and emission reduction of thirteen five: the total sulfur dioxide emission in the whole country is reduced by 15% compared with that in 2015 by 2020; meanwhile, along with the increase of awareness of people on environmental protection, the requirement on the smoke emission of a waste incineration plant is higher and higher, and the stricter pollutant emission control standard is expected to be formulated in China in the future. At present, the deacidification process mostly adopts a combination of a semi-dry method, a dry method and a wet method, the semi-dry method occupies a relatively large area, the wet deacidification has the problems of equipment corrosion and the like, and a large amount of deacidification wastewater is generated; the conventional dry method is usually used as a standby measure for deacidification, but the deacidification efficiency of the dry method adopting slaked lime Ca (OH)2 can only reach 30 percent, the utilization rate of the slaked lime Ca (OH)2 is low, the deacidification efficiency of the dry method adopting fine-particle baking soda NaHCO3 can reach more than 95 percent, the whole process is simple to operate, the equipment investment is low, and no deacidification wastewater is generated. At present, the dry process technology is improved day by day, but still has some defects, for example, a corresponding position-counting device is lacked in a large baking soda particle storage bin, the storage capacity in the bin is difficult to estimate by an operator, no estimation device is provided before weighing, the large baking soda particles flowing out easily enter a weighing system excessively, the raw materials are wasted, the traditional spraying device only sprays at the middle position of a flue, the flue gas at the edge part of the flue is difficult to further purify, and the absorption efficiency is reduced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The defect that exists to prior art, the utility model aims at providing a simple structure, can accurately learn the storage capacity of large granule sodium bicarbonate in the storehouse, can control the large granule sodium bicarbonate outflow and also can effectively purify the device to flue edge part's flue gas.
The utility model provides a technical scheme does: a baking soda dry purification device for waste incineration flue gas treatment, which comprises a storage bin, a vector weighing system, a grinding device, a centrifugal fan and an injection device, the storage bin is used for storing the baking soda, the vector weighing system is used for weighing the baking soda discharged from the storage bin, the grinding device is used for grinding the weighed large-particle baking soda into baking soda powder, the centrifugal fan is used for conveying the baking soda powder to the injection device, the injection device is used for injecting the baking soda powder into the flue so as to enable the baking soda powder to be in chemical reaction with the acid gas in the flue, the storage bin is internally provided with a material level sensor and a longitudinal stirring shaft, a feeding pipe is arranged between the storage bin and the vector weighing system, a flowmeter and an electromagnetic valve are arranged on the feeding pipe, and the material level sensor, the flowmeter and the electromagnetic valve are all connected with the control system; the injection device comprises an injection pipeline and a plurality of nozzles arranged below the injection pipeline.
The scheme is further improved: the material level sensors are multiple.
The scheme is further improved: the vector weighing system comprises a small stock bin, a vector weighing device and a spiral feeding device, wherein a transverse stirring shaft is arranged at the bottom of the small stock bin.
The scheme is further improved: the grinding apparatus includes a grinder and a driving motor to drive the grinder.
The scheme is further improved: the nozzle is a horn-shaped nozzle.
The scheme is further improved: the nozzle is made of silicon carbide. The nozzle adopts wear-resisting, anticorrosive carborundum material, and the preferred of material has prolonged the life of equipment, the effectual manufacturing cost who reduces the enterprise.
The scheme is further improved: the upper part of the feeding pipe is connected with the bottom of the storage bin, and the lower part of the feeding pipe is connected with the upper part of the small storage bin.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. through setting up vertical (mixing) shaft, increased the unloading speed, improved the operating efficiency.
2. Through setting up the charge level indicator, operating personnel can accurately predict the storage capacity of the large granule baking soda in the storage storehouse, and when the storage capacity exceeds or is less than the setting amount, operating personnel can in time learn.
3. Through flowmeter and solenoid valve, the flowmeter measures the large granule baking soda that flows out, and when reaching the preliminary measurement, the solenoid valve is closed, reducible loss.
4. Through setting up a plurality of nozzles, the baking soda powder that the nozzle jetted can reach the flue edge, can purify the flue gas in flue edge area, has improved purification efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the baking soda dry purification device for waste incineration flue gas treatment comprises a storage bin 1, a vector weighing system 2, a grinding device 3, a centrifugal fan 4 and an injection device 5, wherein the storage bin 1 is used for storing large-particle baking soda, a material level sensor 11 and a longitudinal stirring shaft 12 are arranged in the storage bin 1, a stirring paddle 13 is arranged at the lower part of the longitudinal stirring shaft 12, a stirring support 14 is arranged below the stirring shaft, the stirring support is a hollow structure formed by strip-shaped objects, the large-particle baking soda flows out from gaps of the hollow structure to the next process, the material level sensors 11 are provided in a plurality, the vector weighing system 2 is used for weighing the large-particle baking soda released from the storage bin 1, the vector weighing system 2 comprises a small material bin 21, a vector weighing device 22 and a spiral feeding device 23, the bottom 21 of the small material bin is provided with a transverse stirring shaft 24, a feeding pipe 6 is arranged between the storage bin 1 and the vector weighing system 2, the upper part of the feeding pipe is connected with the bottom of the storage bin 1, the lower part of the feeding pipe is connected with the upper part of the small bin 21, a flow meter 61 and a solenoid valve 62 are arranged on the feeding pipe 6, the grinding device 3 is used for grinding the weighed large-particle baking soda into baking soda powder, the grinding device 3 comprises a grinding machine 31 and a driving motor 32 for driving the grinding machine, the centrifugal fan 4 is used for conveying the baking soda powder to the spraying device 5, the spraying device 5 is used for spraying the baking soda powder into the flue 7 to enable the baking soda powder to be in chemical reaction with the acid gas in the flue 7, the spraying device 5 comprises a spraying pipeline 51 and a plurality of nozzles 52 arranged below the spraying pipeline, the nozzles are horn-shaped nozzles which can spray the baking soda powder to all directions to enable the baking soda powder to be fully contacted with, the improved absorption efficiency is realized, the material level sensor 11, the flowmeter 61 and the electromagnetic valve 62 are all connected with a control system, and the automation of the equipment is improved through the control of the control system.
The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.
Claims (7)
1. The utility model provides a baking soda dry purification device of msw incineration flue gas processing, includes storage storehouse, vector weighing system, grinder, centrifugal fan and injection apparatus, the storage storehouse is used for storing the baking soda of large granule, the vector weighing system is used for weighing the baking soda of large granule that releases from the storage storehouse, grinder is used for grinding the good baking soda of large granule into baking soda powder, centrifugal fan is used for carrying baking soda powder to injection apparatus, and injection apparatus is used for spouting the baking soda powder into the flue, makes it take place chemical reaction with the acid gas in the flue, its characterized in that: a material level sensor and a longitudinal stirring shaft are arranged in the storage bin, a feeding pipe is arranged between the storage bin and the vector weighing system, a flowmeter and an electromagnetic valve are arranged on the feeding pipe, and the material level sensor, the flowmeter and the electromagnetic valve are all connected with a control system; the injection device comprises an injection pipeline and a plurality of nozzles arranged below the injection pipeline.
2. The baking soda dry purification device for waste incineration flue gas treatment according to claim 1, characterized in that: the material level sensors are multiple.
3. The baking soda dry purification device for waste incineration flue gas treatment according to claim 1, characterized in that: the vector weighing system comprises a small stock bin, a vector weighing device and a spiral feeding device, wherein a transverse stirring shaft is arranged at the bottom of the small stock bin.
4. The baking soda dry purification device for waste incineration flue gas treatment according to claim 1, characterized in that: the grinding apparatus includes a grinder and a driving motor to drive the grinder.
5. The baking soda dry purification device for waste incineration flue gas treatment according to claim 1, characterized in that: the nozzle is a horn-shaped nozzle.
6. The baking soda dry purification device for waste incineration flue gas treatment according to claim 5, characterized in that: the nozzle is made of silicon carbide.
7. The baking soda dry purification device for waste incineration flue gas treatment according to claim 1, characterized in that: the upper part of the feeding pipe is connected with the bottom of the storage bin, and the lower part of the feeding pipe is connected with the upper part of the small storage bin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325038.3U CN212663207U (en) | 2020-07-08 | 2020-07-08 | Baking soda dry purification device for waste incineration flue gas treatment |
| DE202020104399.4U DE202020104399U1 (en) | 2020-07-08 | 2020-07-30 | Soda dry method cleaning system for waste incineration and flue gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325038.3U CN212663207U (en) | 2020-07-08 | 2020-07-08 | Baking soda dry purification device for waste incineration flue gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212663207U true CN212663207U (en) | 2021-03-09 |
Family
ID=72839322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021325038.3U Active CN212663207U (en) | 2020-07-08 | 2020-07-08 | Baking soda dry purification device for waste incineration flue gas treatment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212663207U (en) |
| DE (1) | DE202020104399U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499682A (en) * | 2021-08-21 | 2021-10-15 | 杭州航民江东热电有限公司 | Desulfurizing cylinder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713602A (en) * | 2021-09-09 | 2021-11-30 | 福建龙净脱硫脱硝工程有限公司 | Integrated form flue sprays deacidification device |
| CN114774939B (en) * | 2022-04-26 | 2023-12-22 | 清远楚江高精铜带有限公司 | Environment-friendly copper strip pickling equipment |
| CN117205716B (en) * | 2023-11-07 | 2024-04-16 | 福建省铁拓机械股份有限公司 | Purification control method for plant-mixed thermal regeneration tail gas |
-
2020
- 2020-07-08 CN CN202021325038.3U patent/CN212663207U/en active Active
- 2020-07-30 DE DE202020104399.4U patent/DE202020104399U1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499682A (en) * | 2021-08-21 | 2021-10-15 | 杭州航民江东热电有限公司 | Desulfurizing cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202020104399U1 (en) | 2020-09-28 |
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