CN215876839U - Flue-curing barn chimney desulfurization dust removal spray set of tobacco leaf - Google Patents
Flue-curing barn chimney desulfurization dust removal spray set of tobacco leaf Download PDFInfo
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- CN215876839U CN215876839U CN202121779689.4U CN202121779689U CN215876839U CN 215876839 U CN215876839 U CN 215876839U CN 202121779689 U CN202121779689 U CN 202121779689U CN 215876839 U CN215876839 U CN 215876839U
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- flue
- dust removal
- desulfurization dust
- curing barn
- spray
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Abstract
The utility model discloses a flue-curing barn chimney desulfurization dust removal spray device for tobacco leaves, which comprises a vertical flue, wherein the lower part of the vertical flue is communicated with a horizontal flue connected with a barn, the lower end of the vertical flue is provided with an ash collecting hopper used for collecting smoke dust, the upper part of the vertical flue is provided with a spray component used for desulfurization dust removal of the smoke gas, and the spray component is connected with a liquid supply component used for supplying spray liquid and a pressurizing component used for increasing spray pressure; the lower end of the ash collecting hopper is obliquely provided with an ash discharge pipe, and the outlet of the ash discharge pipe is provided with a baffle plate; the liquid supply assembly comprises a dissolving water tank and a water pump, an inlet of the water pump is connected with the dissolving water tank through a water pipe, and an outlet of the water pump is connected with the spraying assembly through a water pipe; the calcium hydroxide absorbent has high reaction activity, can quickly perform chemical reaction with sulfur dioxide in flue gas, and can quickly achieve the aims of desulfurization and dust reduction.
Description
Technical Field
The utility model relates to the technical field of flue gas purification devices, in particular to a flue-curing barn chimney desulfurization and dust removal spraying device.
Background
The flue gas discharged from the boiler contains a large amount of sulfur dioxide, dust and nitrogen oxides, which generally cause serious pollution to the atmosphere. Therefore, in order to prevent the atmosphere from being polluted, the flue gas discharged from the boiler needs to be desulfurized and dedusted. However, the existing desulfurization and dust removal device has poor effect, and cannot realize the purpose of rapid desulfurization and dust removal, so that the discharged flue gas still contains harmful substances.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue-curing barn chimney desulfurization dust removal spray device, which has high reaction activity of a calcium hydroxide absorbent, can quickly perform chemical reaction with sulfur dioxide in flue gas, and can quickly achieve the aims of desulfurization and dust reduction.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a tobacco flue-curing barn chimney desulfurization dust removal spray set, includes vertical flue, vertical flue lower part intercommunication has the horizontal flue that links to each other with the barn, and vertical flue lower extreme is provided with the ash collecting hopper that is used for collecting the smoke and dust, and vertical flue upper portion is provided with the spray assembly who is used for carrying out desulfurization dust removal to the flue gas, is connected with on the spray assembly to be used for supplying with the confession liquid subassembly that sprays liquid and the pressure boost subassembly that is used for increasing spray pressure.
As a further scheme of the utility model: the ash collecting hopper is characterized in that an ash discharging pipe is obliquely arranged at the lower end of the ash collecting hopper, and a baffle is arranged at the outlet of the ash discharging pipe.
As a further scheme of the utility model: the liquid supply assembly comprises a dissolving water tank and a water pump, an inlet of the water pump is connected with the dissolving water tank through a water pipe, and an outlet of the water pump is connected with the spraying assembly through a water pipe.
As a further scheme of the utility model: lime water is filled in the dissolving water tank, and a stirring assembly is arranged on the dissolving water tank.
As a further scheme of the utility model: and a first stop valve and a first pressure reducing valve are arranged on a water pipe between the water pump and the spraying assembly.
As a further scheme of the utility model: the pressurizing assembly comprises an air compressor, an air outlet of the air compressor is connected with an air guide pipe, and the air guide pipe is connected with the spraying assembly.
As a further scheme of the utility model: and a second stop valve and a second reducing valve are installed on the air guide pipe.
As a further scheme of the utility model: the spray assembly comprises a nozzle joint, the nozzle joint is provided with two inlets which are respectively connected with the water pipe and the air guide pipe, and an atomization nozzle is arranged at the outlet of the nozzle joint.
As a further scheme of the utility model: the stirring assembly comprises a stirring motor, the output end of the stirring motor is fixedly connected with a stirring shaft, and a plurality of groups of stirring blades are arranged on the stirring shaft.
The utility model has the beneficial effects that:
(1) the calcium hydroxide absorbent has high reaction activity, can quickly carry out chemical reaction with sulfur dioxide in the flue gas, and can quickly achieve the aims of desulfurization and dust reduction;
(2) the sediment is separated outside the chimney pipe, so that the scaling chance in the chimney pipe and the pipeline can be greatly reduced.
(3) No wastewater is discharged in the absorption process under normal operation; the desulfurized slag is nontoxic, has strong hygroscopicity and no secondary pollution.
(4) The operation is simple and convenient, and the system can run stably for a long time.
Drawings
The utility model will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the construction of the stirring assembly of the present invention.
In the figure: 1. a vertical flue; 2. a horizontal flue; 3. a dust collecting hopper; 4. an ash discharge pipe; 5. a nozzle adapter; 6. an atomizing nozzle; 7. a dissolving water tank; 8. a stirring assembly; 81. a stirring motor; 82. a stirring shaft; 83. a stirring blade; 9. a water pipe; 10. a water pump; 11. a first shut-off valve; 12. a first pressure reducing valve; 14. an air compressor fan; 15. an air guide pipe; 16. a second stop valve; 17. a second pressure reducing valve.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the flue gas generated in the flue-curing barn enters a vertical flue 1 through a horizontal flue 2, the flue gas generated in the flue-curing barn mainly contains sulfur dioxide and dust, the flue gas is desulfurized through a calcium hydroxide solution sprayed by a spraying assembly arranged in the vertical flue 1, the sprayed atomized solution can effectively remove smoke dust contained in the flue gas, the smoke dust falls into an ash collecting hopper 3 to be collected, and the collected smoke dust is discharged through an obliquely arranged ash discharge pipe 4.
Add lime wash in dissolving water tank 7, stir the lime wash in dissolving water tank 7 through stirring subassembly 8, drive (mixing) shaft 82 and stirring vane 83 through agitator motor 81 and rotate, stir the lime wash in dissolving water tank 7 and mix, take out lime wash under the effect of water pump 10 afterwards, leading-in atomize in the spray assembly and spout to vertical flue 1 in, carry out desulfurization dust removal purification to the flue gas in the vertical flue 1.
Be provided with first stop valve 11 and first relief pressure valve 12 between water pump 10 and spray assembly, first stop valve 11 is used for cutting water pipe 9, ensures that spray set can not work under the condition of not having the flue gas, and first relief pressure valve 12 is used for adjusting the solution pressure in the water pipe 9, effectively prevents to lead to spray assembly to damage because of pressure is too big.
When the liquid supply assembly supplies purified reaction solution into the spray assembly, the pressurization assembly works as the spray assembly to provide wind pressure so as to improve the atomization effect on the reaction solution.
During the work of the pressurizing assembly, the air compressor fan 14 works to blow to the spraying assembly through the air guide pipe 15, the air guide pipe 15 is provided with a second stop valve 16 and a second pressure reducing valve 17, the second stop valve 16 is used for cutting the water pipe 9, the spraying device can not work under the condition without smoke gas, the second pressure reducing valve 17 is used for adjusting the solution pressure in the water pipe 9, and the spraying assembly is effectively prevented from being damaged due to overlarge pressure.
Wherein spray assembly includes the nozzle joint 5 that links to each other with water pipe 9 and guide duct 15, and the exit linkage of nozzle joint 5 has atomizing nozzle 6, reaches the atomizing effect of spraying, evenly sprays the atomizing with calcium hydrate, makes it reach the abundant contact with the flue gas and carry out chemical reaction, and then realizes flue gas purification's effect.
The desulfurization principle reacts as follows:
SO2+H2O→H2SO3
SO2+1/2O2+Ca(OH)2→CaSO4+H2O
SO2+Ca(OH)2→CaSO3+H2O
H2SO3+1/2O2+Ca(OH)2→CaSO4+2H2O
in this embodiment, the start and stop of the spray device are operated according to the size of the flue gas in the chimney. The size of flue gas of the curing barn depends on the work of a combustion fan during coal feeding, a spraying device in a chimney is started when the combustion fan works, and the spraying device is stopped when the combustion fan stops. When the curing barn is in a heat preservation state or needs to be cooled, the amount of flue gas generated by the furnace body is minimum, and the spraying device stops.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like 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 directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a tobacco flue-curing barn chimney desulfurization dust removal spray set, its characterized in that, includes vertical flue (1), vertical flue (1) lower part intercommunication has horizontal flue (2) that link to each other with the barn, and vertical flue (1) lower extreme is provided with album ash bucket (3) that are used for collecting the smoke and dust, and vertical flue (1) upper portion is provided with the spray set that is used for carrying out desulfurization dust removal to the flue gas, is connected with on the spray set to be used for supplying with the confession liquid subassembly that sprays liquid and is used for increasing the pressure boost subassembly that sprays pressure.
2. The flue-curing barn chimney desulfurization dust-removal spray device according to claim 1, wherein the lower end of the ash collecting hopper (3) is obliquely provided with an ash discharge pipe (4), and the outlet of the ash discharge pipe (4) is provided with a baffle.
3. The flue-curing barn chimney desulfurization dust removal spray device according to claim 1, wherein the liquid supply assembly comprises a dissolving water tank (7) and a water pump (10), an inlet of the water pump (10) is connected with the dissolving water tank (7) through a water pipe (9), and an outlet of the water pump (10) is connected with the spray assembly through the water pipe (9).
4. The flue-curing barn chimney desulfurization dust removal spray device according to claim 3, wherein lime water is filled in the dissolving water tank (7), and the dissolving water tank (7) is provided with the stirring component (8).
5. The flue-curing barn chimney desulfurization dust removal spray device according to claim 4, wherein a first stop valve (11) and a first pressure reducing valve (12) are mounted on the water pipe (9) between the water pump (10) and the spray assembly.
6. The flue-curing barn chimney desulfurization dust removal spray device according to claim 3, wherein the pressurizing assembly comprises an air compressor (14), an air outlet of the air compressor (14) is connected with an air guide pipe (15), and the air guide pipe (15) is connected with the spray assembly.
7. The flue-curing barn chimney desulfurization dust removal spray device according to claim 6, wherein the air guide pipe (15) is provided with a second stop valve (16) and a second pressure reducing valve (17).
8. The flue-curing barn chimney desulfurization dust removal spray device according to claim 6, wherein the spray assembly comprises a nozzle joint (5), the nozzle joint (5) is provided with two inlets respectively connected with the water pipe (9) and the air guide pipe (15), and the outlet of the nozzle joint (5) is provided with the atomizing nozzle (6).
9. The flue-curing barn chimney desulfurization dust removal spray device according to claim 4, wherein the stirring assembly (8) comprises a stirring motor (81), the output end of the stirring motor (81) is fixedly connected with a stirring shaft (82), and a plurality of groups of stirring blades (83) are arranged on the stirring shaft (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121779689.4U CN215876839U (en) | 2021-07-29 | 2021-07-29 | Flue-curing barn chimney desulfurization dust removal spray set of tobacco leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121779689.4U CN215876839U (en) | 2021-07-29 | 2021-07-29 | Flue-curing barn chimney desulfurization dust removal spray set of tobacco leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876839U true CN215876839U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121779689.4U Active CN215876839U (en) | 2021-07-29 | 2021-07-29 | Flue-curing barn chimney desulfurization dust removal spray set of tobacco leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215876839U (en) |
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2021
- 2021-07-29 CN CN202121779689.4U patent/CN215876839U/en active Active
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