CN219441246U - Desulfurization and denitrification heavy metal flue gas purification device - Google Patents
Desulfurization and denitrification heavy metal flue gas purification device Download PDFInfo
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- CN219441246U CN219441246U CN202320924449.1U CN202320924449U CN219441246U CN 219441246 U CN219441246 U CN 219441246U CN 202320924449 U CN202320924449 U CN 202320924449U CN 219441246 U CN219441246 U CN 219441246U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a desulfurization and denitrification heavy metal flue gas purification device, which relates to the technical field of flue gas purification and comprises a base and a purification box, wherein a first cavity is formed in the purification box, and an air inlet mechanism, a desulfurization mechanism and a denitrification mechanism are arranged in the first cavity. According to the desulfurization and denitrification heavy metal flue gas purification device provided by the utility model, the circulating mechanism, the plurality of activated carbon adsorption plates in the fourth cavity and the return pipe are utilized, so that the heavy metal flue gas purified in the first cavity can enter the fourth cavity through the circulating mechanism, the activated carbon adsorption plates can adsorb sulfur dioxide and nitrogen oxides in the heavy metal flue gas, and the heavy metal flue gas after adsorption returns to the first cavity through the return pipe, so that the effect of circulating and purifying the heavy metal flue gas is achieved, and the purification effect of the heavy metal flue gas is improved to a certain extent.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to a desulfurization and denitrification heavy metal flue gas purification device.
Background
The desulfurization and denitrification working principle refers to that generated NOX is reduced into N2, so that NOX in the flue gas is removed, and the method can be divided into wet denitration and dry denitration according to a treatment process; mainly comprises the following steps: acid absorption, alkali absorption, selective catalytic reduction, nonselective catalytic reduction, adsorption, ion activation, etc.; some researchers at home and abroad also develop methods for treating NOX exhaust gas by microorganisms. Desulfurization and denitration are simply the process of neutralizing acid with alkali, and desulfurization is: sulfur dioxide contained in the boiler flue gas is removed; the pin removal is as follows: removing nitrogen oxides contained in the boiler flue gas; the desulfurization process is that alkaline desulfurizing agent (such as limestone, caO, sodium hydroxide, etc.) is made into slurry, the slurry is mixed with boiler flue gas, sulfur dioxide is acid by water, and then the slurry reacts with the alkaline desulfurizing agent to produce desulfurization end products such as CaSO4 (calcium sulfate), etc., and the principle of denitration and desulfurization is similar, namely that the denitrifying agent is replaced by ammonia water or urea.
In order to enable the heavy metal flue gas to meet the emission standard, a purification device is required to be used for desulfurizing and denitrating the heavy metal flue gas before emission.
The existing purification device is single in purification mode of heavy metal smoke, and the heavy metal smoke to be purified cannot achieve the effect of repeated circulating purification, so that the purification effect of sulfur dioxide and nitrogen oxides in the heavy metal smoke is not thorough, and the heavy metal smoke is discharged, so that the purification effect of the heavy metal smoke is reduced, and the air is polluted to a certain extent.
Disclosure of Invention
The utility model aims to provide a desulfurization and denitrification heavy metal flue gas purification device, which aims to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a desulfurization denitration heavy metal flue gas purification device, includes base and purifying box, the inside of purifying box is provided with first cavity, the inside of first cavity is provided with air inlet mechanism, desulfurization mechanism and denitration mechanism are located air inlet mechanism's top; a fourth cavity is formed in the purifying box, a circulating mechanism is arranged between the first cavity and the fourth cavity, and a plurality of activated carbon adsorption plates are fixedly arranged in the fourth cavity; and a return pipe is arranged on the side wall of the purifying box, and two ends of the return pipe are respectively communicated with the first cavity and the fourth cavity.
Further, the air inlet mechanism comprises an air pump fixedly installed on the base, an air inlet pipe and an air outlet pipe are communicated with the air pump, one end, far away from the air pump, of the air outlet pipe is communicated with a plurality of air distribution pipes, and a plurality of air nozzles are fixedly installed on the air distribution pipes.
Further, two mounting plates are fixedly mounted in the first cavity, and a plurality of gas distribution pipes are fixedly mounted on the two mounting plates.
Further, a second cavity and a third cavity are also arranged in the purifying box; the desulfurization mechanism comprises a first water pump fixedly arranged in the second cavity, a first water pipe is communicated with the first water pump, and a plurality of first nozzles are fixedly arranged on the first water pipe; the denitration mechanism comprises a second water pump fixedly installed in the third cavity, a second water through pipe is communicated with the second water pump, and a plurality of second nozzles are fixedly installed on the second water through pipe.
Further, the circulating mechanism comprises a circulating pipe arranged on the purifying box, two ends of the circulating pipe are respectively communicated with the first cavity and the fourth cavity, a circulating pump is fixedly arranged on the circulating pipe, and the circulating pump is fixedly arranged on the purifying box.
Further, an exhaust pipe is communicated with the side wall of the purifying box, the exhaust pipe is communicated with the first cavity, and one end, far away from the purifying box, of the exhaust pipe is communicated with an exhaust hopper; a blocking mechanism for blocking the circulating pipe and the exhaust pipe is slidably arranged in the first cavity; the plugging mechanism comprises a piston which is arranged in the first cavity in a sliding manner and a gas sensor which is fixedly arranged in the first cavity, and a driving assembly which is used for driving the piston to slide is arranged in the first cavity.
Further, the driving assembly comprises a driving motor fixedly installed in the first cavity, the gas sensor is electrically connected with the driving motor through a wire, and the output end of the driving motor is fixedly connected with a first bevel gear; the inside rotation of first cavity is provided with the lead screw, fixedly connected with on the global of lead screw with the second bevel gear of first bevel gear engaged with, just piston threaded connection is in on the lead screw.
Further, the side wall of the purifying box is also communicated with a liquid discharge pipe, and a control valve is fixedly arranged on the liquid discharge pipe.
In the technical scheme, the utility model provides the desulfurization and denitrification heavy metal flue gas purification device, which has the following beneficial effects: through utilizing the inside mechanism that admits air, desulfurization mechanism and the denitration mechanism of first cavity in the purifying box for the heavy metal flue gas that waits to need purify can get into the first cavity in the purifying box through inlet mechanism, then spray desulfurizing agent and denitration agent respectively through desulfurization mechanism and denitration mechanism, make desulfurizing agent and denitration agent can react with the inside heavy metal flue gas of first cavity, thereby has played the effect that can purify the heavy metal flue gas that lets in the first cavity in the purifying box.
Through utilizing a plurality of activated carbon adsorption plates and the back flow of circulation mechanism, fourth cavity inside for the heavy metal flue gas after the inside purification of first cavity can get into in the fourth cavity through circulation mechanism, thereby make activated carbon adsorption plate can adsorb sulfur dioxide, the nitrogen oxide in the heavy metal flue gas, and the heavy metal flue gas after adsorbing just returns to in the first cavity through the back flow, thereby has played the effect that can circulate the purification to heavy metal flue gas, consequently improved the purifying effect to heavy metal flue gas to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a partial structure of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a schematic illustration of a front cross-sectional structure of the purge bin of FIG. 1 according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the structure shown in FIG. 3A according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the structure shown in FIG. 3B according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of the structure shown in FIG. 3C according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of a partial structure of FIG. 3 according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of fig. 7 at D according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a base; 2. a purifying box; 21. a first cavity; 22. a second cavity; 23. a third cavity; 24. a fourth cavity; 3. an air inlet mechanism; 31. an air pump; 32. an air inlet pipe; 33. an air outlet pipe; 34. a gas distribution pipe; 35. an air tap; 36. a mounting plate; 4. a desulfurization mechanism; 41. a first water pump; 42. a first water pipe; 43. a first nozzle; 5. a denitration mechanism; 51. a second water pump; 52. a second water passing pipe; 53. a second nozzle; 6. a circulation mechanism; 61. a circulation pump; 62. a circulation pipe; 7. an activated carbon adsorption plate; 8. a return pipe; 9. a plugging mechanism; 91. a driving motor; 92. a first bevel gear; 93. a screw rod; 94. a second bevel gear; 95. a piston; 96. a gas sensor; 10. an exhaust pipe; 11. an exhaust hopper; 12. a liquid discharge pipe; 13. and a control valve.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-8, the desulfurization and denitrification heavy metal flue gas purification device provided by the embodiment of the utility model comprises a base 1 and a purification box 2, wherein a first cavity 21 is arranged in the purification box 2, an air inlet mechanism 3, a desulfurization mechanism 4 and a denitrification mechanism 5 are arranged in the first cavity 21, and the desulfurization mechanism 4 and the denitrification mechanism 5 are positioned above the air inlet mechanism 3; a fourth cavity 24 is arranged in the purifying box 2, a circulating mechanism 6 is arranged between the first cavity 21 and the fourth cavity 24, and a plurality of activated carbon adsorption plates 7 are fixedly arranged in the fourth cavity 24; a return pipe 8 is arranged on the side wall of the purifying box 2, and two ends of the return pipe 8 are respectively communicated with the first cavity 21 and the fourth cavity 24; by utilizing the air inlet mechanism 3, the desulfurization mechanism 4 and the denitration mechanism 5 in the first cavity 21 in the purifying box 2, heavy metal flue gas to be purified can enter the first cavity 21 in the purifying box 2 through the air inlet mechanism 3, then the desulfurization agent and the denitration agent are sprayed respectively through the desulfurization mechanism 4 and the denitration mechanism 5, so that the desulfurization agent and the denitration agent can react with the heavy metal flue gas in the first cavity 21, and the effect of purifying the heavy metal flue gas which is introduced into the first cavity 21 in the purifying box 2 is achieved; through utilizing circulation mechanism 6, a plurality of activated carbon adsorption plates 7 and back flow 8 inside fourth cavity 24 for the heavy metal flue gas after the inside purification of first cavity 21 can get into in the fourth cavity 24 through circulation mechanism 6, thereby make activated carbon adsorption plate 7 can adsorb sulfur dioxide, the nitrogen oxide in the heavy metal flue gas, and the heavy metal flue gas just returns to in the first cavity 21 through back flow 8 after adsorbing, thereby have played the effect that can circulate the purification to heavy metal flue gas, consequently improved the purifying effect to heavy metal flue gas to a certain extent.
Specifically, the air inlet mechanism 3 comprises an air pump 31 fixedly installed on the base 1, an air inlet pipe 32 and an air outlet pipe 33 are communicated with the air pump 31, one end, far away from the air pump 31, of the air outlet pipe 33 is communicated with a plurality of air distribution pipes 34, and a plurality of air nozzles 35 are fixedly installed on the air distribution pipes 34; by utilizing the air pump 31 on the base 1, heavy metal flue gas enters the air pump 31 through the air inlet pipe 32 under the action of the air pump 31, flows onto the plurality of air distribution pipes 34 from the bottom of the purifying box 2 through the air outlet pipe 33, and then passes through the air nozzles 35 on the plurality of air distribution pipes 34, so that the raw heavy metal flue gas is introduced into the first cavity 21 in the purifying box 2.
Specifically, two mounting plates 36 are fixedly installed in the first cavity 21, and a plurality of gas distribution pipes 34 are fixedly installed on the two mounting plates 36; by using the two mounting plates 36 in the first cavity 21, the plurality of gas distribution pipes 34 can be supported in an auxiliary manner.
Specifically, the inside of the purifying box 2 is also provided with a second cavity 22 and a third cavity 23; the desulfurization mechanism 4 comprises a first water pump 41 fixedly arranged in the second cavity 22, a first water pipe 42 is communicated with the first water pump 41, and a plurality of first nozzles 43 are fixedly arranged on the first water pipe 42; the denitration mechanism 5 comprises a second water pump 51 fixedly arranged in the third cavity 23, a second water through pipe 52 is communicated with the second water pump 51, and a plurality of second nozzles 53 are fixedly arranged on the second water through pipe 52; the desulfurizing agent and the denitrating agent in the second cavity 22 and the third cavity 23 can flow to the first water passing pipe 42 and the second water passing pipe 52 respectively by using the first water pump 41 and the second water pump 51 in the second cavity 22 and the third cavity 23 respectively, and the desulfurizing agent and the denitrating agent in the second cavity 22 and the third cavity 23 can be sprayed through the first nozzle 43 and the second nozzle 53 of the first water passing pipe 42 and the second water passing pipe 52 respectively, so that the effect of purifying the heavy metal flue gas introduced into the first cavity 21 is achieved.
Specifically, the circulation mechanism 6 includes a circulation pipe 62 disposed on the purifying tank 2, two ends of the circulation pipe 62 are respectively communicated with the first cavity 21 and the fourth cavity 24, and a circulation pump 61 is fixedly mounted on the circulation pipe 62, and the circulation pump 61 is fixedly mounted on the purifying tank 2; by using the circulating pump 61, after the heavy metal flue gas in the first cavity 21 is purified by the desulfurizing agent and the denitrating agent, the purified heavy metal flue gas can flow into the fourth cavity 24 through the circulating pipe 62 under the action of the circulating pump 61, so that the effect of secondarily purifying the purified heavy metal flue gas by using the plurality of activated carbon adsorption plates 7 in the fourth cavity 24 is achieved.
Specifically, the side wall of the purifying box 2 is communicated with an exhaust pipe 10, the exhaust pipe 10 is communicated with a first cavity 21, and one end of the exhaust pipe 10 far away from the purifying box 2 is communicated with an exhaust hopper 11; a blocking mechanism 9 for blocking the circulation pipe 62 and the exhaust pipe 10 is slidably provided inside the first cavity 21; the plugging mechanism 9 comprises a piston 95 slidably arranged in the first cavity 21 and a gas sensor 96 fixedly arranged in the first cavity 21, and a driving assembly for driving the piston 95 to slide is arranged in the first cavity 21; by utilizing the gas sensor 96 in the first cavity 21, after the heavy metal flue gas is subjected to a plurality of purification, the content of sulfur dioxide and nitrogen oxides in the heavy metal flue gas purified in the first cavity 21 can be detected by the gas sensor 96, when the content meets the emission standard, the piston 95 is driven to slide by utilizing the driving component, so that the piston 95 can plug the circulating pipe 62, and the heavy metal flue gas meeting the emission can permeate the exhaust pipe 10 and the exhaust hopper 11, so that the heavy metal flue gas purified in the purifying box 2 is discharged.
Specifically, the driving assembly includes a driving motor 91 fixedly installed in the first cavity 21, the gas sensor 96 is electrically connected with the driving motor 91 through a wire, and the output end of the driving motor 91 is fixedly connected with a first bevel gear 92; a screw rod 93 is rotatably arranged in the first cavity 21, a second bevel gear 94 meshed with the first bevel gear 92 is fixedly connected to the peripheral surface of the screw rod 93, and a piston 95 is in threaded connection with the screw rod 93; through utilizing driving motor 91, when utilizing gas sensor 96 to carry out the detection to the heavy metal flue gas after purifying in the first cavity 21 for when the heavy metal flue gas after purifying accords with emission standard, the operation of driving motor 91 is controlled to the accessible wire, thereby makes lead screw 93 can rotate under driving motor 91's effect, and then makes piston 95 remove under lead screw 93's effect, thereby has played and has driven piston 95 to carry out the shutoff to circulating pipe 62.
Specifically, the side wall of the purifying box 2 is also communicated with a liquid discharge pipe 12, and a control valve 13 is fixedly arranged on the liquid discharge pipe 12; by using the liquid discharge pipe 12 of the purifying tank 2, the control valve 13 of the liquid discharge pipe 12 is opened, and the desulfurizing agent and the denitrating agent sprayed by the first air nozzle 35 and the second air nozzle 35 can be discharged from the purifying tank 2 through the liquid discharge pipe 12 after use.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a desulfurization denitration heavy metal flue gas purification device, includes base (1) and purifying box (2), its characterized in that, the inside of purifying box (2) is provided with first cavity (21), the inside of first cavity (21) is provided with air inlet mechanism (3), desulfurization mechanism (4) and denitration mechanism (5) are located air inlet mechanism (3) top;
a fourth cavity (24) is formed in the purifying box (2), a circulating mechanism (6) is arranged between the first cavity (21) and the fourth cavity (24), and a plurality of activated carbon adsorption plates (7) are fixedly arranged in the fourth cavity (24);
the side wall of the purifying box (2) is provided with a return pipe (8), and two ends of the return pipe (8) are respectively communicated with the first cavity (21) and the fourth cavity (24).
2. The desulfurization and denitrification heavy metal flue gas purification device according to claim 1, wherein the air inlet mechanism (3) comprises an air pump (31) fixedly installed on the base (1), an air inlet pipe (32) and an air outlet pipe (33) are communicated with the air pump (31), one end, far away from the air pump (31), of the air outlet pipe (33) is communicated with a plurality of air distribution pipes (34), and a plurality of air nozzles (35) are fixedly installed on the air distribution pipes (34).
3. The desulfurization and denitrification heavy metal flue gas purification device according to claim 2, wherein two mounting plates (36) are fixedly mounted in the first cavity (21), and a plurality of gas distribution pipes (34) are fixedly mounted on the two mounting plates (36).
4. The desulfurization and denitrification heavy metal flue gas purification device according to claim 1, wherein a second cavity (22) and a third cavity (23) are further arranged in the purification box (2);
the desulfurization mechanism (4) comprises a first water pump (41) fixedly arranged in the second cavity (22), a first water pipe (42) is communicated with the first water pump (41), and a plurality of first nozzles (43) are fixedly arranged on the first water pipe (42);
the denitration mechanism (5) comprises a second water pump (51) fixedly installed inside the third cavity (23), a second water pipe (52) is communicated with the second water pump (51), and a plurality of second nozzles (53) are fixedly installed on the second water pipe (52).
5. The desulfurization and denitrification heavy metal flue gas purification device according to claim 1, wherein the circulating mechanism (6) comprises a circulating pipe (62) arranged on the purification box (2), two ends of the circulating pipe (62) are respectively communicated with the first cavity (21) and the fourth cavity (24), a circulating pump (61) is fixedly arranged on the circulating pipe (62), and the circulating pump (61) is fixedly arranged on the purification box (2).
6. The desulfurization and denitrification heavy metal flue gas purification device according to claim 5, wherein an exhaust pipe (10) is communicated with the side wall of the purification box (2), the exhaust pipe (10) is communicated with the first cavity (21), and one end, far away from the purification box (2), of the exhaust pipe (10) is communicated with an exhaust hopper (11);
a blocking mechanism (9) for blocking the circulating pipe (62) and the exhaust pipe (10) is slidably arranged in the first cavity (21);
the plugging mechanism (9) comprises a piston (95) which is arranged in the first cavity (21) in a sliding manner and a gas sensor (96) which is fixedly arranged in the first cavity (21), and a driving assembly which is used for driving the piston (95) to slide is arranged in the first cavity (21).
7. The desulfurization and denitrification heavy metal flue gas purification device according to claim 6, wherein the driving assembly comprises a driving motor (91) fixedly installed in the first cavity (21), the gas sensor (96) is electrically connected with the driving motor (91) through a wire, and the output end of the driving motor (91) is fixedly connected with a first bevel gear (92);
the inside rotation of first cavity (21) is provided with lead screw (93), fixedly connected with on the global second bevel gear (94) that meshes with first bevel gear (92) of lead screw (93), just piston (95) threaded connection is in on lead screw (93).
8. The desulfurization and denitrification heavy metal flue gas purification device according to claim 1, wherein a liquid discharge pipe (12) is further communicated with the side wall of the purification box (2), and a control valve (13) is fixedly arranged on the liquid discharge pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924449.1U CN219441246U (en) | 2023-04-23 | 2023-04-23 | Desulfurization and denitrification heavy metal flue gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924449.1U CN219441246U (en) | 2023-04-23 | 2023-04-23 | Desulfurization and denitrification heavy metal flue gas purification device |
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| Publication Number | Publication Date |
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| CN219441246U true CN219441246U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320924449.1U Active CN219441246U (en) | 2023-04-23 | 2023-04-23 | Desulfurization and denitrification heavy metal flue gas purification device |
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| CN (1) | CN219441246U (en) |
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- 2023-04-23 CN CN202320924449.1U patent/CN219441246U/en active Active
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