CN212790476U - Desulfurization and denitrification's boiler waste heat recovery device - Google Patents
Desulfurization and denitrification's boiler waste heat recovery device Download PDFInfo
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- CN212790476U CN212790476U CN202021264574.7U CN202021264574U CN212790476U CN 212790476 U CN212790476 U CN 212790476U CN 202021264574 U CN202021264574 U CN 202021264574U CN 212790476 U CN212790476 U CN 212790476U
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- boiler
- waste heat
- desulfurization
- heat recovery
- denitrification
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- 239000002918 waste heat Substances 0.000 title claims abstract description 38
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 28
- 230000023556 desulfurization Effects 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 16
- 239000003546 flue gas Substances 0.000 abstract description 16
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a SOx/NOx control's boiler waste heat recovery device, including boiler, smoke inlet and water storage box, when the flue gas enters the inside of boiler by boiler bottom smoke inlet, the starter motor, under the guide effect of flabellum, the flue gas rotatory rises, the spray mechanism at the top of boiler sprays aqueous ammonia solution from the solution tank simultaneously and carries out the abundant reaction with the flue gas that rises, SOX and NOX in the gas are by abundant absorption of aqueous ammonia, thereby reach the effect of purification, waste solution after the reaction can flow out the boiler from the waste liquid mouth; the waste heat is absorbed and heated by the water pipe and the water storage tank in the boiler in the rising process of the flue gas, and the waste heat can be recovered while the desulfurization and the denitrification are not influenced. The utility model discloses under the effect of utilizing sprinkler structure and flabellum, increased the reaction of aqueous ammonia solution with the flue gas, make the harmful absorptive more complete in the gas, waste heat recovery mechanism in the boiler realizes the recovery to the waste heat under the condition that does not influence SOx/NOx control simultaneously.
Description
Technical Field
The utility model relates to an industrial boiler technical field specifically is a SOx/NOx control's boiler waste heat recovery device.
Background
The simultaneous desulfurization and denitration technology for flue gas is mostly in research and industrial demonstration stages at present, but because the simultaneous desulfurization and denitration can be realized in a set of system, particularly along with the continuous stricture of NOx control standards, the simultaneous desulfurization and denitration technology is increasingly emphasized by various countries. The simultaneous flue gas desulfurization and denitration technology mainly comprises three types, wherein the first type is a combined technology of flue gas desulfurization and flue gas denitration; the second type is that SOX and NOx are removed simultaneously by using an adsorbent; and the third type is to improve the existing flue gas desulfurization system and add the denitration function. The concentration of SOX and NOX in the flue gas of an industrial boiler is not high, but the total amount is large. If two sets of devices are used for desulfurization and denitration respectively, the occupied area is large, and the investment, management and operation cost is high.
In the prior art, flue gas and waste water that the boiler produced are as the direct row of wastes material more, and this had both polluted the environment, and a large amount of waste heat that exists in flue gas and the waste water also does not utilize properly simultaneously, and the enterprise that energy-conserving consciousness is higher passes through heat exchanger and discharges after retrieving the waste heat of blow off water more, but adopts the boiler of this kind of mode, and all the other heat recovery efficiency are limited, and a large amount of waste heat energy still are useless.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a SOx/NOx control's boiler waste heat recovery device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a desulfurization and denitrification boiler waste heat recovery device comprises a boiler and a desulfurization and denitrification mechanism arranged on the upper surface of the boiler, wherein the desulfurization and denitrification mechanism comprises a smoke inlet, a smoke outlet, a solution tank, a solution pipe, a waterproof box, a motor and fan blades; the waterproof box is detachably connected to the middle part of the inner wall of the bottom of the boiler through screws, the motor is fixedly arranged on the inner lower surface of the waterproof box through bolts, and one end of the motor is fixedly provided with a fan blade; the lower end of one side wall of the boiler is connected with a smoke inlet, the top end of the other side wall of the boiler is provided with a smoke outlet, and the inside of the boiler is also provided with a waste heat recovery mechanism.
As a further aspect of the present invention: the spraying mechanism comprises a nozzle main body, nozzle split bodies, a circular tube and a water spraying hole, wherein the nozzle main body is a circular shell, the top of the nozzle main body is connected with the other end of the solution tube, the nozzle split bodies are distributed on the periphery of the nozzle main body, and the nozzle split bodies are communicated with the nozzle main body through the circular tube; the bottom surfaces of the spray head main body and the spray head split body are provided with a plurality of water spray holes.
As a further aspect of the present invention: the waste heat recovery mechanism comprises a first water inlet, a first water outlet, a second water inlet, a second water outlet and a water storage tank, the first water inlet is communicated with the first water outlet, and a water pipe is spirally fixed on the inner wall of the boiler; the second water inlet and the second water outlet are communicated with each other through a water storage tank fixedly installed in the boiler, and the two sides of the water storage tank are of rugged structures, so that the reaction area with waste heat is increased.
As a further aspect of the present invention: the waterproof box and the fan blades are made of heat-resistant PVC materials, and the surface of the water storage tank is pasted with a heat absorption layer.
As a further aspect of the present invention: the bottom of the boiler is of an inclined structure, and a waste liquid port communicated with the outside is formed in the bottom end of the inclined structure.
As a further aspect of the present invention: the first water inlet of outside one end of boiler, second water inlet and advance the mouth from last down arranging in proper order, and other end outlet flue, second delivery port, first delivery port and waste liquid mouth from last down arranging in proper order.
As a further aspect of the present invention: the water inlet and outlet pipelines in the boiler are all made of quartz materials.
Compared with the prior art, the beneficial effects of the utility model are that: the flue gas enters the boiler, and fully reacts with harmful gas in the flue gas under the action of the fan blades and the spraying mechanism, so that the purification effect is achieved; meanwhile, the waste heat recovery mechanism in the boiler recovers the waste heat under the condition of ensuring that the desulfurization and denitrification reactions are not influenced, so that the heat loss is reduced, the efficiency of the whole boiler utilizing the residual heat energy is improved, and the use economic benefit of the boiler is improved.
Drawings
Fig. 1 is a schematic structural diagram of a boiler waste heat recovery device for desulfurization and denitrification.
Fig. 2 is a schematic structural view of the spraying mechanism in fig. 1.
In the figure: 1. boiler, 2, SOx/NOx control mechanism, 21, advance the mouth, 22, outlet flue, 23, solution tank, 24, solution pipe, 25, waterproof box, 26, motor, 27, flabellum, 3, spraying mechanism, 31, spray the main part, 32, spray the components of a whole that can function independently, 33, pipe, 34, spraying opening, 4, waste heat recovery mechanism, 41, first water inlet, 42, first delivery port, 43, second water inlet, 44, second delivery port, 45, water storage box, 5, the waste liquid mouth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, a desulfurization and denitrification boiler waste heat recovery device includes a boiler 1 and a desulfurization and denitrification mechanism 2 installed on an upper surface of the boiler 1, the desulfurization and denitrification mechanism 2 includes a smoke inlet 21, a smoke outlet 22, a solution tank 23, a solution pipe 24, a waterproof box 25, a motor 26 and fan blades 27, the solution tank 23 is installed on one side of the upper surface of the boiler 1, and a middle portion of one side of the solution tank 23 is connected with one side of the solution pipe 24, the other side of the solution pipe 24 penetrates through a middle portion of the upper surface of the boiler 1 and is perpendicular to the ground, and a spraying mechanism 3 is installed on the other side of the solution pipe 24; the waterproof box 25 is detachably connected to the middle part of the inner wall of the bottom of the boiler 1 through screws, the motor 26 is fixedly arranged on the lower surface of the inner part of the waterproof box 25 through bolts, and one end of the motor 26 is fixedly provided with fan blades; the lower end of one side wall of the boiler 1 is connected with a smoke inlet 21, the top end of the other side wall of the boiler 1 is provided with a smoke outlet 22, and the interior of the boiler 1 is also provided with a waste heat recovery mechanism 4.
The spraying mechanism 3 comprises a nozzle main body 31, nozzle split bodies 32, a circular tube 33 and water spraying holes 34, wherein the nozzle main body 31 is a circular shell, the top of the nozzle main body 31 is connected with the other end of the solution tube 24, a plurality of nozzle split bodies 32 are distributed around the nozzle main body 31, and the nozzle split bodies 32 are communicated with the nozzle main body 31 through the circular tube 33; the nozzle body 31 and the nozzle division body 32 are provided with a plurality of the water spray holes 34 on the bottom surfaces thereof.
The waste heat recovery mechanism 4 comprises a first water inlet 41, a first water outlet 42, a second water inlet 43, a second water outlet 44 and a water storage tank 45, wherein the first water inlet 41 is communicated with the first water outlet 42, and a water pipe is spirally fixed on the inner wall of the boiler 1; the second water inlet 43 and the second water outlet 44 are communicated with each other through a water storage tank 45 fixedly installed in the boiler 1, and the two sides of the water storage tank 45 are of rugged structures, so that the reaction area with waste heat is increased.
The waterproof box 25 and the fan blades 27 are made of heat-resistant PVC materials, and a heat absorption layer is attached to the surface of the water storage tank 45.
The bottom of the boiler 1 is of an inclined structure, and a waste liquid port 5 communicated with the outside is formed in the bottom end of the inclined structure.
The first water inlet 41, the second water inlet 43 and the smoke inlet 21 at one end of the outer side of the boiler 1 are sequentially arranged from top to bottom, and the smoke outlet 22, the second water outlet 44, the first water outlet 42 and the waste liquid outlet 5 at the other end are sequentially arranged from top to bottom.
The water inlet and outlet pipes in the boiler 1 are all made of quartz materials.
When smoke enters the boiler 1 from the smoke inlet 21 at the bottom of the boiler 1, the motor 26 is started, the smoke rotates and rises under the guiding action of the fan blades 27, meanwhile, the spraying mechanism 3 at the top of the boiler 1 sprays ammonia water solution from the solution tank 23 to fully react with the rising smoke, SOX and NOX in the smoke are fully absorbed by the ammonia water, so that the purification effect is achieved, and the waste solution after reaction flows out of the boiler 1 from the waste liquid outlet 5; the waste heat is absorbed and heated by the water pipe and the water storage tank 45 in the boiler 1 in the smoke rising process, and the waste heat can be recycled while the desulfurization and the denitrification are not influenced. The utility model discloses under the effect of utilizing sprinkler mechanism 3 and flabellum 27, increased the reaction of aqueous ammonia solution with the flue gas, make the harmful absorption in the gas more complete, waste heat recovery mechanism 4 in the boiler 1 realizes the recovery to the waste heat under the condition that does not influence SOx/NOx control simultaneously.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 boiler waste heat recovery device for desulfurization and denitrification comprises a boiler (1) and a desulfurization and denitrification mechanism (2) arranged on the upper surface of the boiler (1), and is characterized in that the desulfurization and denitrification mechanism (2) comprises a smoke inlet (21), a smoke outlet (22), a solution tank (23), a solution pipe (24), a waterproof box (25), a motor (26) and fan blades (27), the solution tank (23) is arranged on one side of the upper surface of the boiler (1), the middle of one side of the solution tank (23) is connected with one side of a solution pipe (24), the other side of the solution pipe (24) penetrates through the middle of the upper surface of the boiler (1) and is perpendicular to the ground, and a spraying mechanism (3) is arranged on the other side of the solution pipe (24); the waterproof box (25) is detachably connected to the middle part of the inner wall of the bottom of the boiler (1) through screws, the motor (26) is fixedly installed on the lower surface of the inside of the waterproof box (25) through bolts, and one end of the motor (26) is fixedly provided with fan blades; the lower end of one side wall of the boiler (1) is connected with a smoke inlet (21), the top end of the other side wall of the boiler (1) is provided with a smoke outlet (22), and the inside of the boiler (1) is also provided with a waste heat recovery mechanism (4).
2. The desulfurization and denitrification boiler waste heat recovery device according to claim 1, wherein the spraying mechanism (3) comprises a nozzle body (31), nozzle split bodies (32), a circular tube (33) and water spray holes (34), the nozzle body (31) is a circular shell, the top of the nozzle body is connected with the other end of the solution tube (24), a plurality of nozzle split bodies (32) are distributed around the nozzle body (31), and the nozzle split bodies (32) are communicated with the nozzle body (31) through the circular tube (33); the bottom surfaces of the nozzle main body (31) and the nozzle split body (32) are provided with a plurality of water spray holes (34).
3. The desulfurization and denitrification boiler waste heat recovery device according to claim 1, wherein the waste heat recovery mechanism (4) comprises a first water inlet (41), a first water outlet (42), a second water inlet (43), a second water outlet (44) and a water storage tank (45), the first water inlet (41) and the first water outlet (42) are communicated with each other, and a water pipe is spirally fixed on the inner wall of the boiler (1); the second water inlet (43) and the second water outlet (44) are communicated with each other through a water storage tank (45) fixedly installed in the boiler (1), and the two sides of the water storage tank (45) are of rugged structures, so that the reaction area with waste heat is increased.
4. The desulfurization and denitrification boiler waste heat recovery device as claimed in claim 1 or 3, wherein the waterproof box (25) and the fan blades (27) are made of heat-resistant PVC materials, and the surface of the water storage tank (45) is adhered with a heat absorbing layer.
5. The desulfurization and denitrification boiler waste heat recovery device according to claim 1, wherein the bottom of the boiler (1) is of an inclined structure, and the bottom end of the inclined structure is provided with a waste liquid port (5) communicated with the outside.
6. The desulfurization and denitrification boiler waste heat recovery device according to claim 1 or 3, wherein the first water inlet (41), the second water inlet (43) and the smoke inlet (21) are arranged from top to bottom at one end of the outer side of the boiler (1), and the smoke outlet (22), the second water outlet (44), the first water outlet (42) and the waste liquid port (5) are arranged from top to bottom at the other end of the outer side of the boiler (1).
7. The desulfurization and denitrification boiler waste heat recovery device according to claim 1 or 3, wherein the water inlet and outlet pipes in the boiler (1) are made of quartz material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264574.7U CN212790476U (en) | 2020-07-01 | 2020-07-01 | Desulfurization and denitrification's boiler waste heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264574.7U CN212790476U (en) | 2020-07-01 | 2020-07-01 | Desulfurization and denitrification's boiler waste heat recovery device |
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| CN212790476U true CN212790476U (en) | 2021-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055051A (en) * | 2022-07-19 | 2022-09-16 | 江苏锐深化工机械科技有限公司 | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus |
-
2020
- 2020-07-01 CN CN202021264574.7U patent/CN212790476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055051A (en) * | 2022-07-19 | 2022-09-16 | 江苏锐深化工机械科技有限公司 | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus |
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Denomination of utility model: A boiler waste heat recovery device for desulfurization and denitrification Effective date of registration: 20231211 Granted publication date: 20210326 Pledgee: Bank of China Limited Jingzhou Branch Pledgor: HUBEI SIBOYING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023980070472 |