CN211936390U - Desulfurizing device for cement clinker kiln - Google Patents
Desulfurizing device for cement clinker kiln Download PDFInfo
- Publication number
- CN211936390U CN211936390U CN202020423475.2U CN202020423475U CN211936390U CN 211936390 U CN211936390 U CN 211936390U CN 202020423475 U CN202020423475 U CN 202020423475U CN 211936390 U CN211936390 U CN 211936390U
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- Prior art keywords
- storage tank
- kiln
- communicated
- material spreading
- hot water
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- 239000004568 cement Substances 0.000 title claims abstract description 24
- 230000003009 desulfurizing effect Effects 0.000 title description 4
- 230000003197 catalytic effect Effects 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 21
- 230000023556 desulfurization Effects 0.000 claims abstract description 21
- 238000003892 spreading Methods 0.000 claims abstract description 20
- 230000007480 spreading Effects 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000007800 oxidant agent Substances 0.000 claims abstract description 7
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 15
- 239000005864 Sulphur Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 235000012054 meals Nutrition 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000021180 meal component Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
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Abstract
The utility model discloses a desulphurization unit for cement clinker kiln, include: the catalytic desulfurizer preparation structure comprises a catalytic desulfurizer storage tank, a catalyst storage tank, an oxidant storage tank and a sulfur fixing agent storage tank; a kiln elevator is put into; the preheating structure comprises a preheating chamber, a hot water circulating pipe group, a hot water tank forming a closed loop with the hot water circulating pipe group, a heating rod arranged in the hot water tank and a circulating water pump; the material spreading structure comprises a cyclone air inlet pipeline communicated with the outlet of the preheating chamber, at least six material spreading branch pipes communicated with the air inlet pipeline, an atomizing head arranged at the outlet of each material spreading branch pipe and a material spreading box for wrapping the material spreading branch pipes; and a controller. The utility model discloses, it can prepare catalytic desulfurization agent to use and go into kiln lifting machine and carry catalytic desulfurization agent to get into preheating chamber-whirlwind section of thick bamboo air inlet duct-spill the material and divide the pipe, spill out the material and mix with the raw meal, through 300 ℃ gas heating reaction, reach sulphur reduction, desulfurization purpose.
Description
Technical Field
The utility model relates to a cement manufacture field, more specifically say, the utility model relates to a desulphurization unit for cement clinker kiln.
Background
In the cement production, under the normal production condition of the current raw combustion materials, tail gas SO2 is discharged between 20 and 100mg/Nm3 in a 4500t/d clinker cement production line under the normal starting condition of a vertical mill, and tail gas SO2 is discharged around 320mg/m during the labor year under the shutdown condition of the vertical mill (under the condition of not taking any desulfurization measures). The national environmental protection is severe, the total pollution discharge limit of a company, local emission standards, high-sulfur raw combustion materials and the like, and the sulfur dioxide exceeding the standard (more than 200 mg/m) is discharged frequently.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims to provide a desulfurizing device for a cement clinker kiln, which can automatically prepare the catalytic desulfurizing agent.
In order to achieve the above object, the present invention provides a desulfurization device for a cement clinker kiln, comprising:
the catalytic desulfurizer preparation structure comprises a catalytic desulfurizer storage tank, a catalyst storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve, an oxidant storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve, and a sulfur fixing agent storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve;
the kiln inlet hoister is arranged in the catalytic desulfurizer storage tank;
the preheating structure comprises a preheating chamber communicated with the kiln entering elevator through a liquid guide pipe, a hot water circulating pipe group arranged on the outer wall of the preheating chamber, a hot water tank forming a closed loop with the hot water circulating pipe group, a heating rod arranged in the hot water tank and a circulating water pump;
the material spreading structure is communicated with the preheating structure and comprises a cyclone air inlet pipeline communicated with the outlet of the preheating chamber, at least six material spreading branch pipes communicated with the air inlet pipeline, an atomizing head arranged at the outlet of each material spreading branch pipe and a material spreading box wrapping the material spreading branch pipes;
and the controller is electrically connected with an external power supply and is respectively electrically connected with the electronic metering valve, the kiln entering hoister and the circulating water pump so as to control the start and stop of the electronic metering valve, the kiln entering hoister and the circulating water pump.
As a preferable embodiment of the desulfurization apparatus for a cement clinker kiln, the length of the scattering branch pipes is 0.8 m, and the number of the scattering branch pipes is 7.
As a preferred scheme of the desulfurization device for the cement clinker kiln, a filter screen is arranged inside the liquid guide pipe, and the diameter of the liquid guide pipe is 15-20 mm.
As a preferred solution for a desulphurization unit for a cement clinker kiln, the length of the preheating chamber is greater than 1.2 m.
As a preferable scheme of the desulfurization device for the cement clinker kiln, the preheating chamber is of an annular structure with a hollow interior, the hollow portion is a liquid flowing cavity, and the width of the liquid flowing cavity is less than 3 cm.
The utility model discloses at least, include following beneficial effect:
1. a desulphurization unit for cement clinker kiln, use and go into kiln lifting machine and carry catalytic desulfurization agent to get into preheating chamber-whirlwind section of thick bamboo air inlet duct-spill the material and divide the pipe, spill out the material and mix with the raw meal, through 300 ℃ gas heating reaction, reach sulphur reduction, desulfurization purpose.
2. A desulphurization unit for cement clinker kiln, its catalytic desulfurization agent contains components such as catalyst, oxidant, solid sulphur agent, and catalytic desulfurization agent preparation structure can carry out accurate control to components such as catalyst, oxidant, solid sulphur agent, excites the reactivity of SO2 and raw meal component under the well low temperature situation to reach the purpose that reduces SO2 and discharge.
3. A desulphurization unit for cement clinker kiln, its structure is clear, reasonable in design is fit for using widely.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a desulfurization device for a cement clinker kiln according to the present invention.
Fig. 2 is a schematic structural diagram of a preheating chamber of a desulfurization device for a cement clinker kiln.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-2, in one embodiment of the present invention, a desulfurization apparatus for a cement clinker kiln is provided, comprising:
the catalytic desulfurizer preparation structure comprises a catalytic desulfurizer storage tank 5, a catalyst storage tank 1 communicated with the catalytic desulfurizer storage tank 5 through an electronic metering valve 4, an oxidant storage tank 2 communicated with the catalytic desulfurizer storage tank 5 through an electronic metering valve, and a sulfur fixing agent storage tank 3 communicated with the catalytic desulfurizer storage tank 5 through an electronic metering valve;
the kiln inlet lifter 6 is arranged in the catalytic desulfurizer storage tank 5;
the preheating structure comprises a preheating chamber 8 communicated with the kiln entering elevator 6 through a liquid guide pipe 7, a hot water circulating pipe group 9 arranged on the outer wall of the preheating chamber 8, a hot water tank 15 forming a closed loop with the hot water circulating pipe group 9, a heating rod 16 arranged inside the hot water tank 15 and a circulating water pump 17;
the material spreading structure is communicated with the preheating structure and comprises a cyclone air inlet pipeline 18 communicated with the outlet of the preheating chamber 8, at least six material spreading branch pipes 11 communicated with the cyclone air inlet pipeline 18, an atomizing head 12 arranged at the outlet of each material spreading branch pipe 11 and a material spreading box 10 wrapping the material spreading branch pipes 11;
and the controller 13 is electrically connected with the external power supply 14, and is respectively electrically connected with the electronic metering valve 4, the kiln entering hoisting machine 6 and the circulating water pump 17 so as to control the start and stop of the electronic metering valve 4, the kiln entering hoisting machine 6 and the circulating water pump 17.
Further, the length of the scattering branch pipes 11 is 0.8 m, and the number of the scattering branch pipes 11 is 7.
Furthermore, a filter screen is arranged inside the liquid guide tube 7, and the diameter of the liquid guide tube 7 is 15-20 mm.
Further, in order to sufficiently preheat the catalytic desulfurization agent solution, the length of the preheating chamber 8 is more than 1.2 m.
Further, the preheating chamber 8 is a ring-shaped structure with a hollow interior, the hollow portion is a liquid flowing cavity 19, and the width of the liquid flowing cavity 19 is less than 3 cm.
The utility model discloses a use method does: the controller inputs preset data to the controller, the controller controls the opening and closing of the electronic metering valve, the components such as the catalyst, the oxidant, the sulfur fixing agent and the like are accurately proportioned, the catalytic desulfurizer is prepared in the catalytic desulfurizer storage tank, the catalytic desulfurizer is conveyed into the preheating chamber, the cyclone air inlet pipeline and the material scattering and distributing pipe by the kiln elevator, the material scattering is mixed with the raw material, and the purposes of sulfur reduction and desulfurization are achieved through gas heating reaction at 300 ℃.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (5)
1. A desulfurization unit for a cement clinker kiln, comprising:
the catalytic desulfurizer preparation structure comprises a catalytic desulfurizer storage tank, a catalyst storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve, an oxidant storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve, and a sulfur fixing agent storage tank communicated with the catalytic desulfurizer storage tank through an electronic metering valve;
the kiln inlet hoister is arranged in the catalytic desulfurizer storage tank;
the preheating structure comprises a preheating chamber communicated with the kiln entering elevator through a liquid guide pipe, a hot water circulating pipe group arranged on the outer wall of the preheating chamber, a hot water tank forming a closed loop with the hot water circulating pipe group, a heating rod arranged in the hot water tank and a circulating water pump;
the material spreading structure is communicated with the preheating structure and comprises a cyclone air inlet pipeline communicated with the outlet of the preheating chamber, at least six material spreading branch pipes communicated with the air inlet pipeline, an atomizing head arranged at the outlet of each material spreading branch pipe and a material spreading box wrapping the material spreading branch pipes;
and the controller is electrically connected with an external power supply and is respectively electrically connected with the electronic metering valve, the kiln entering hoister and the circulating water pump so as to control the start and stop of the electronic metering valve, the kiln entering hoister and the circulating water pump.
2. The desulfurization apparatus for a cement clinker kiln, according to claim 1, wherein the length of the scattering branch pipes is 0.8 m, and the number of the scattering branch pipes is 7.
3. The desulfurization apparatus for a cement clinker kiln, according to claim 1, wherein a filter screen is provided inside the liquid guide tube, and the diameter of the liquid guide tube is 15-20 mm.
4. A devulcanisation apparatus for a cement clinker kiln according to claim 1, characterized in that the length of the preheating chamber is more than 1.2 m.
5. The desulfurization apparatus for a cement clinker kiln, according to claim 1, wherein said preheating chamber has an annular structure with a hollow inside, and the hollow part is a liquid flow chamber, and the width of said liquid flow chamber is less than 3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423475.2U CN211936390U (en) | 2020-03-30 | 2020-03-30 | Desulfurizing device for cement clinker kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423475.2U CN211936390U (en) | 2020-03-30 | 2020-03-30 | Desulfurizing device for cement clinker kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211936390U true CN211936390U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423475.2U Active CN211936390U (en) | 2020-03-30 | 2020-03-30 | Desulfurizing device for cement clinker kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211936390U (en) |
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2020
- 2020-03-30 CN CN202020423475.2U patent/CN211936390U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Desulfurization Device for Cement Clinker Kiln Effective date of registration: 20230713 Granted publication date: 20201117 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: Tianrui group Xiaoxian Cement Co.,Ltd. Registration number: Y2023980048367 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |