CN110787538A - Energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment - Google Patents
Energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment Download PDFInfo
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- CN110787538A CN110787538A CN201911086699.7A CN201911086699A CN110787538A CN 110787538 A CN110787538 A CN 110787538A CN 201911086699 A CN201911086699 A CN 201911086699A CN 110787538 A CN110787538 A CN 110787538A
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- fixedly connected
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- exhaust pipe
- reversing valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
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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
- B01D2258/025—Other waste gases from metallurgy plants
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses energy-saving and environment-friendly desulfurization, denitrification and dust removal equipment, which relates to the technical field of waste gas treatment and comprises a shell, wherein one side of the shell is fixedly connected with an air inlet pipe and a first exhaust pipe, a waste gas detector and a first reversing valve are arranged on the air inlet pipe, the upper part of a dust remover is fixedly connected with a dust remover exhaust pipe, one side of a fixed plate is fixedly connected with an activated carbon rod, the lower part of the desulfurizer exhaust pipe is fixedly connected with a spray box, a denitrification detector and a fourth reversing valve are fixedly connected onto a second exhaust pipe, and a second return pipe is arranged on the upper part of the fourth reversing. The invention has high dust removal efficiency and low operation energy consumption by arranging the dust remover, avoids long-time full-load operation when no harmful substances exist in the gas by matching the waste gas detector and the first reversing valve, effectively reduces the power consumption of the whole equipment, and treats the waste gas which does not meet the emission standard again by arranging the plurality of reversing valves and the gas return pipes, thereby having high environmental protection performance.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to energy-saving and environment-friendly desulfurization, denitrification and dust removal equipment.
Background
With the continuous improvement of the requirement of China on environmental protection, the waste gas discharged by a plurality of heavy industrial plants must be subjected to a process of pre-treatment of discharge, and can be discharged after the treatment reaches the standard, for example, a metallurgical steelmaking electric furnace and a boiler using raw coal as fuel, the discharged waste gas contains a large amount of dust, sulfide and nitride, if the waste gas is directly discharged into the atmosphere, the waste gas can cause harm to the surrounding environment, pollute water flow and lakes, increase solid particles in the air, increase the probability of haze generation, generate acid rain, corrode the outer wall of a building, and also have adverse effects on the respiratory tract of nearby residents, the desulfurization, denitrification and dust removal equipment usually uses a screen to remove the dust in the waste gas of the plants, remove the sulfide and the nitride in the waste gas, and discharges the waste gas into the atmosphere after reaching the discharge standard, and the screen of the existing desulfurization, denitrification and, the dust removal effect is not good, the power consumption is high after long-term operation, and the waste gas can not be accurately treated according to the content of pollutant components in the waste gas.
Therefore, it is necessary to invent an energy-saving and environment-friendly desulfurization denitrification dust removal device to solve the above problems.
Disclosure of Invention
The invention aims to provide energy-saving and environment-friendly desulfurization, denitrification and dust removal equipment to solve the problems that the conventional desulfurization, denitrification and dust removal equipment cannot accurately treat waste gas and has low dust removal rate.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an energy-saving and environment-friendly desulfurization, denitrification and dust removal device comprises a shell, wherein one side of the shell is fixedly connected with an air inlet pipe and a first exhaust pipe, the air inlet pipe is provided with a waste gas detector and a first reversing valve, one side of the first reversing valve, which is far away from the waste gas detector, is fixedly connected with a dust collector air inlet pipe, one end of the dust collector air inlet pipe is fixedly connected with a dust collector, the upper part of the dust collector is fixedly connected with a dust collector exhaust pipe, the dust collector exhaust pipe is fixedly connected with a dust detector and a second reversing valve, one end of the dust collector exhaust pipe, which is far away from the second reversing valve, is fixedly connected with a desulfurizer, one side of the desulfurizer is provided with a motor, a rotating shaft is fixedly connected onto the shaft of the motor, one end of the rotating shaft is fixedly connected with a fixing plate, one, the lower part fixedly connected with of desulfurizer blast pipe sprays the case, the case that sprays is kept away from one side lower part fixedly connected with second blast pipe of desulfurizer blast pipe, fixedly connected with denitrogenation detector and fourth switching-over valve on the second blast pipe, the upper portion of fourth switching-over valve is equipped with the second muffler, the second muffler with spray case fixed connection.
Optionally, the lower part of the first reversing valve is fixedly connected with the upper part of the first exhaust pipe, and the lower part of the dust remover is fixedly connected with a dust collecting tank.
Optionally, the lower part of the dust remover is conical, and the lower part of the dust remover exhaust pipe is lower than the dust remover air inlet pipe.
Optionally, one side of the second reversing valve is fixedly connected with a first air return pipe, and the first air return pipe is fixedly connected with an air inlet pipe of the dust remover.
Optionally, a desulfurization detector and a third reversing valve are fixedly connected to the desulfurizer exhaust pipe, a third air return pipe is fixedly connected to one side of the third reversing valve, and the third air return pipe is fixedly connected to the dust remover exhaust pipe.
Optionally, a sprayer is arranged at the upper part of the spraying box, and a liquid conveying pipe is arranged on one side of the sprayer.
Optionally, a liquid discharge pipe is arranged at the lower part of one side of the spraying box, and the second exhaust pipe is fixedly connected with the shell.
The invention has the technical effects and advantages that:
1. the invention has the advantages of low resistance, high dust removal efficiency, capability of effectively separating dust in waste gas, simple structure, convenient operation, less power consumption and low operation energy consumption, and in addition, the working state of the desulfurization, denitrification and dust removal equipment can be switched timely through the matched arrangement between the waste gas detector and the first reversing valve, the long-time full-load operation of no harmful substances in gas is avoided, the equipment is quickly started after the dust, nitride and sulfide exceed standards, and the power consumption of the whole equipment is effectively reduced.
2. By arranging the reversing valves and the air return pipes, part of waste gas which does not accord with the emission standard can be introduced into the equipment again for treatment until the waste gas completely reaches the emission standard, and the sulfide, nitride and dust in the waste gas are accurately treated, so that the environment-friendly performance is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of an activated carbon rod according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. a housing; 2. an air inlet pipe; 3. a first exhaust pipe; 4. an exhaust gas detector; 5. a first direction changing valve; 6. a dust remover air inlet pipe; 7. a dust remover; 8. a dust collector exhaust pipe; 9. a dust collection tank; 10. a dust detector; 11. a second directional control valve; 12. a first gas return pipe; 13. a desulfurizer; 14. a rotating shaft; 15. a fixing plate; 16. an activated carbon rod; 17. a desulfurization detector; 18. a third directional control valve; 19. a desulfurizer exhaust pipe; 20. a spray box; 21. a sprayer; 22. a second exhaust pipe; 23. a denitrification detector; 24. a fourth directional control valve; 25. a second muffler; 26. and a third air return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The invention provides energy-saving and environment-friendly desulfurization, denitrification and dust removal equipment as shown in figures 1-4, which comprises a shell 1, wherein one side of the shell 1 is fixedly connected with an air inlet pipe 2 and a first exhaust pipe 3, the air inlet pipe 2 is provided with a waste gas detector 4 and a first reversing valve 5, the lower part of the first reversing valve 5 is fixedly connected with the upper part of the first exhaust pipe 3, the working state of the desulfurization, denitrification and dust removal equipment can be switched timely through the matching arrangement between the waste gas detector 4 and the first reversing valve 5, the long-time full-load operation without harmful substances in the gas is avoided, the equipment is quickly started after the exceeding of dust, nitride and sulfide, the power consumption of the whole equipment is effectively reduced, one side of the first reversing valve 5, which is far away from the waste gas detector 4, is fixedly connected with a dust remover air inlet pipe 6, one end of the dust remover air inlet pipe 6, the dust collecting tank 9 is fixedly connected to the lower part of the dust remover 7, the dust removing efficiency is high through the arrangement of the dust remover 7, the dust in waste gas can be effectively separated, the structure is simple, the operation is convenient, the power consumption is low, the energy consumption in operation is low, the dust remover exhaust pipe 8 is fixedly connected to the upper part of the dust remover 7, the lower part of the dust remover exhaust pipe 8 is lower than the dust remover air inlet pipe 6, the dust detector 10 and the second reversing valve 11 are fixedly connected to the dust remover exhaust pipe 8, the first air return pipe 12 is fixedly connected to one side of the second reversing valve 11, the first air return pipe 12 is fixedly connected to the dust remover air inlet pipe 6, the end of the dust remover exhaust pipe 8 far away from the second reversing valve 11 is fixedly connected to the desulfurizer 13, the motor is arranged on one side of the desulfurizer 13, the rotating shaft 14 is fixedly connected to the motor, the fixing plate 15 is fixedly, a desulfurizer exhaust pipe 19 is fixedly connected to the lower part of the desulfurizer 13, a desulfurization detector 17 and a third reversing valve 18 are fixedly connected to the desulfurizer exhaust pipe 19, a third air return pipe 26 is fixedly connected to one side of the third reversing valve 18, the third air return pipe 26 is fixedly connected with the dust remover exhaust pipe 8, a spray box 20 is fixedly connected to the lower part of the desulfurizer exhaust pipe 19, a spray 21 is arranged on the upper part of the spray box 20, an infusion pipe is arranged on one side of the spray 21, a liquid discharge pipe is arranged on the lower part of one side of the spray box 20, a second exhaust pipe 22 is fixedly connected to the lower part of one side of the spray box 20 far away from the desulfurizer exhaust pipe 19, the second exhaust pipe 22 is fixedly connected with the shell 1, a denitrification detector 23 and a fourth reversing valve 24 are fixedly connected to the second exhaust pipe 22, a second air return pipe 25 is arranged on the upper part of the fourth reversing valve 24, the second air return pipe 25 is fixedly connected with, can let in the inside processing of equipment again with the waste gas that partly does not conform to emission standard, until waste gas reaches emission standard completely, accurately handle sulphide, nitride and dust in the waste gas, the feature of environmental protection is high.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle of the invention is as follows: the industrial waste gas is introduced into the whole equipment through the gas inlet pipe 2, the waste gas detector 4 detects dust, nitride and sulfide in the waste gas, if the emission standard is met, the first reversing valve 5 conducts the first exhaust pipe 3 to discharge the gas out of the whole equipment, if the emission standard is not met, the first reversing valve 5 closes the first exhaust pipe 3 and conducts the dust collector gas inlet pipe 6 to introduce the gas into the dust collector gas inlet pipe 6, the waste gas is sent into the dust collector 7 through the dust collector gas inlet pipe 6, after the waste gas enters the dust collector 7, the waste gas rotates along the inner wall of the dust collector 7, particle dust slides into the dust collection tank 9 along the inner wall of the dust collector 7 under the action of centrifugal force, the gas is discharged through the dust collector gas outlet pipe 8, the dust detector 10 detects the discharged gas, if the discharged gas is not met with the national standard for dust discharge, the first return pipe 12 is conducted through the second reversing valve 11, the gas is sent into a dust remover inlet pipe 6 through a first return pipe 12, the dust remover 7 removes dust again, if the discharged gas meets the national standard for dust emission, a second reversing valve 11 conducts a dust remover outlet pipe 8, the gas is sent into a desulfurizer 13 through the dust remover outlet pipe 8, a rotating shaft 14 rotates to drive a fixing plate 15 to rotate, an activated carbon rod 16 rotates to increase the contact frequency of the waste gas and the activated carbon rod 16, sulfur-containing components in the waste gas are adsorbed on the activated carbon rod 16, when the activated carbon rod 16 cannot continuously adsorb sulfides, the activated carbon rod 16 is replaced, the waste gas is discharged through a desulfurizer outlet pipe 19, a desulfurization detector 17 detects the content of sulfides in the waste gas, when the sulfide components in the waste gas do not reach the emission standard, a third reversing valve 18 conducts a third return pipe 26, and the waste gas returns to the dust remover outlet pipe 8 through the third return pipe 26, the desulfurizer 13 treats the sulfide again, when the sulfide component in the waste gas reaches the emission standard, the third reversing valve 18 conducts the desulfurizer exhaust pipe 19, the gas is sent to the spraying tank 20 through the desulfurizer exhaust pipe 19, the liquid sprayed out from the sprayer 21 absorbs the nitride in the gas and then enters the second exhaust pipe 22, the denitrification detector 23 detects the nitride in the waste gas, if the emission standard is reached, the fourth reversing valve 24 conducts the second exhaust pipe 22 to discharge the gas out of the whole equipment, if the waste gas does not reach the emission standard, the fourth reversing valve 24 conducts the second return pipe 25, the gas is sent back to the spraying tank 20 to treat the nitride again.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment, includes casing (1), its characterized in that: the gas purifier is characterized in that an air inlet pipe (2) and a first exhaust pipe (3) are fixedly connected to one side of the shell (1), a waste gas detector (4) and a first reversing valve (5) are arranged on the air inlet pipe (2), a dust collector air inlet pipe (6) is fixedly connected to one side, away from the waste gas detector (4), of the first reversing valve (5), a dust collector (7) is fixedly connected to one end of the dust collector air inlet pipe (6), a dust collector exhaust pipe (8) is fixedly connected to the upper portion of the dust collector (7), a dust detector (10) and a second reversing valve (11) are fixedly connected to the dust collector exhaust pipe (8), a desulfurizer (13) is fixedly connected to one end, away from the second reversing valve (11), of the dust collector exhaust pipe (8), a motor is arranged on one side of the desulfurizer (13), a rotating shaft (14) is fixedly connected to the shaft of the motor, and a fixing plate (15), the utility model discloses a desulfurization device, including the desulfurizer, the desulfurizer is characterized in that one side fixedly connected with active carbon stick (16) of fixed plate (15), the lower part fixedly connected with desulfurizer blast pipe (19) of desulfurizer (13), the lower part fixedly connected with of desulfurizer blast pipe (19) sprays case (20), one side lower part fixedly connected with second blast pipe (22) of desulfurizer blast pipe (19) are kept away from in spraying case (20), fixedly connected with denitrogenation detector (23) and fourth switching-over valve (24) are gone up in second blast pipe (22), the upper portion of fourth switching-over valve (24) is equipped with second muffler (25), second muffler (25) with spray case (20) fixed connection.
2. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
the lower part of the first reversing valve (5) is fixedly connected with the upper part of the first exhaust pipe (3), and the lower part of the dust remover (7) is fixedly connected with a dust collecting tank (9).
3. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
the lower part of the dust remover (7) is conical, and the lower part of the dust remover exhaust pipe (8) is lower than the dust remover air inlet pipe (6).
4. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
one side of the second reversing valve (11) is fixedly connected with a first air return pipe (12), and the first air return pipe (12) is fixedly connected with an air inlet pipe (6) of the dust remover.
5. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
the desulfurizer exhaust pipe (19) is fixedly connected with a desulfurization detector (17) and a third reversing valve (18), one side of the third reversing valve (18) is fixedly connected with a third air return pipe (26), and the third air return pipe (26) is fixedly connected with the dust remover exhaust pipe (8).
6. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
a sprayer (21) is arranged at the upper part of the spraying box (20), and a liquid conveying pipe is arranged at one side of the sprayer (21).
7. The energy-saving environment-friendly desulfurization, denitrification and dust removal equipment as claimed in claim 1, characterized in that:
a liquid discharge pipe is arranged at the lower part of one side of the spraying box (20), and the second exhaust pipe (22) is fixedly connected with the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086699.7A CN110787538A (en) | 2019-11-08 | 2019-11-08 | Energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086699.7A CN110787538A (en) | 2019-11-08 | 2019-11-08 | Energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787538A true CN110787538A (en) | 2020-02-14 |
Family
ID=69443393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911086699.7A Withdrawn CN110787538A (en) | 2019-11-08 | 2019-11-08 | Energy-concerving and environment-protective desulfurization denitrogenation dust collecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787538A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999450A (en) * | 2020-10-10 | 2020-11-27 | 黑龙江工业学院 | Gas monitoring equipment for coal mine safety |
| CN113042211A (en) * | 2021-04-02 | 2021-06-29 | 福州外语外贸学院 | Building construction is with multi-functional energy-conserving dust collector |
| CN116146973A (en) * | 2022-12-27 | 2023-05-23 | 哈尔滨红光锅炉总厂有限责任公司 | Low-level arrangement high-efficiency boiler system with desulfurization and denitrification circulating fluidized bed in furnace |
-
2019
- 2019-11-08 CN CN201911086699.7A patent/CN110787538A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999450A (en) * | 2020-10-10 | 2020-11-27 | 黑龙江工业学院 | Gas monitoring equipment for coal mine safety |
| CN113042211A (en) * | 2021-04-02 | 2021-06-29 | 福州外语外贸学院 | Building construction is with multi-functional energy-conserving dust collector |
| CN116146973A (en) * | 2022-12-27 | 2023-05-23 | 哈尔滨红光锅炉总厂有限责任公司 | Low-level arrangement high-efficiency boiler system with desulfurization and denitrification circulating fluidized bed in furnace |
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Application publication date: 20200214 |
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