CN221015370U - Interactive standby device and power generation deacidification system - Google Patents
Interactive standby device and power generation deacidification system Download PDFInfo
- Publication number
- CN221015370U CN221015370U CN202322657832.8U CN202322657832U CN221015370U CN 221015370 U CN221015370 U CN 221015370U CN 202322657832 U CN202322657832 U CN 202322657832U CN 221015370 U CN221015370 U CN 221015370U
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- China
- Prior art keywords
- dry
- caustic soda
- container
- lime slurry
- deacidification
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- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 230000002452 interceptive effect Effects 0.000 title claims abstract description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 147
- 239000002002 slurry Substances 0.000 claims abstract description 61
- 239000004571 lime Substances 0.000 claims abstract description 60
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 59
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 59
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 47
- 238000001035 drying Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000004056 waste incineration Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 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
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an interactive standby device and a power generation deacidification system, which are used between garbage incineration power generation deacidification systems, wherein the garbage incineration power generation deacidification system comprises a caustic soda liquid container, a dry process water container and a lime slurry container, and the interactive standby device comprises a conveying pipeline arranged between the caustic soda liquid container and the dry process water container and between the caustic soda liquid container and the lime slurry container and is used for conveying caustic soda liquid to the dry process water container and the lime slurry container. By adopting the scheme, the operation stability and reliability of the waste incineration deacidification system can be greatly improved, and the fluctuation of the fume emission index caused by abnormal conditions such as lime slurry preparation system faults, unqualified lime slurry quality, wet process system faults and the like is avoided.
Description
Technical Field
The utility model relates to the field of flue gas treatment deacidification systems of waste incineration power plants, in particular to an interactive standby device and a power generation deacidification system.
Background
Under the increasingly severe situation of 'garbage surrounding cities', garbage incineration power generation becomes an optimal mode for disposing household garbage in a 'reduction, harmless and recycling' manner. With strict requirements on waste incineration emission indexes in various places of the country, the main stream of a flue gas treatment system of a newly-built waste incineration power plant is upgraded into a seven-segment treatment system of SNCR (SELECTIVE NON-CATALYTIC REDUCTION ) denitration, semi-dry deacidification, activated carbon adsorption, bag dust removal, wet deacidification and SCR (SELECTIVE CATALYTIC Reduction ) denitration. The system for removing acid gases such as hydrogen chloride, sulfur dioxide, hydrogen fluoride and the like comprises three sets of semi-dry deacidification, dry deacidification and wet deacidification, wherein the consumable product of the semi-dry deacidification is lime slurry (namely calcium hydroxide solution), the consumable product of the dry deacidification is slaked lime/sodium bicarbonate (namely calcium hydroxide solid powder/sodium bicarbonate powder), and the consumable product of the wet deacidification is caustic soda (namely sodium hydroxide solution).
The failure rate of a preparation system of the lime slurry of the semi-dry deacidification consumable product is high, the problems of jamming of a rotary feeding valve, leakage of an expansion joint, blockage of a digestion tank, blockage of a filter screen and the like are easy to occur, the semi-dry deacidification system is paralyzed, and the quality of slaked lime/quicklime serving as a preparation raw material of the lime slurry is easy to be unqualified, so that the quality of the lime slurry is poor, and the semi-dry deacidification effect is influenced. The wet deacidification system is complicated in system, so that problems such as hardening of a demister, blockage of a nozzle, leakage of a rubber lining pipeline and the like are easy to occur, and standard emission of acid gas in waste incineration smoke is threatened once the lime slurry is prepared and supplied to a user or the wet deacidification system needs to be out of operation.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides the interactive standby device and the power generation deacidification system, which can greatly improve the running stability and reliability of the garbage incineration deacidification system and avoid the fluctuation of the fume emission index caused by abnormal conditions such as lime slurry preparation system faults, unqualified lime slurry quality, wet system faults and the like.
In order to achieve the above purpose, the present utility model adopts the following scheme:
the utility model provides an interactive standby device which is used between garbage incineration power generation deacidification systems, wherein the garbage incineration power generation deacidification systems comprise caustic soda liquid containers, dry process water containers and lime slurry containers, and the interactive standby device comprises conveying pipelines arranged between the caustic soda liquid containers and the dry process water containers and the lime slurry containers and used for conveying caustic soda liquid to the dry process water containers and the lime slurry containers.
Further, the device also comprises a caustic soda delivery pump, the caustic soda liquid container is connected with the caustic soda delivery pump, the delivery pipeline is a single-inlet double-outlet pipeline and comprises an input section, a first output section and a second output section, wherein the input section is connected with the caustic soda delivery pump, the first output section is connected with the dry process water container, and the second output section is connected with the lime slurry container.
Further, the first output section is provided with a first valve group and the second output section is provided with a second valve group.
Further, the first valve group comprises a first manual valve and a first electric valve; the second valve group comprises a second manual valve and a second electric valve.
Further, an input valve is arranged on the input section.
The utility model also provides a power generation deacidification system which comprises a wet deacidification system, a dry deacidification system, a semi-dry deacidification system and the interactive standby device.
Further, the caustic soda delivery pump is respectively connected with the wet deacidification system and the input section through a one-to-two joint; the lime slurry container is connected with the semi-dry deacidification system through a semi-dry pipeline; the dry process water container is connected with the dry deacidification system through a dry pipeline.
Further, the dry process water container is also connected with the semi-dry deacidification system.
Further, a valve group is arranged between the one-to-two joint and the wet deacidification system; the semi-dry pipeline is provided with a valve group; the dry pipeline is provided with a valve group.
Further, a lime slurry conveying pump is arranged between the lime slurry container and the semi-dry pipeline; a dry process water delivery pump is arranged between the dry process water container and the dry process pipeline.
According to the interactive standby device and the power generation deacidification system, the consumable caustic soda subjected to wet deacidification is conveyed from the caustic soda liquid container to the container of the lime slurry of the consumable product subjected to semi-dry deacidification, and the caustic soda reacts with acid gas in waste incineration flue gas in the semi-dry reaction tower through conveying, or is conveyed to the dry process water container, and acid gas such as hydrogen chloride and sulfur dioxide is removed through the dry deacidification system, so that the stability and reliability of the operation of the waste incineration deacidification system are greatly improved, and flue gas emission index fluctuation caused by abnormal conditions such as failure of the lime slurry preparation system, unqualified lime slurry quality and wet system failure is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;
In the figure, a 1-caustic soda storage tank; 2-caustic soda stirrer; 3-caustic soda delivery pump; 4-adding caustic soda conveying pipelines; 5-a manual valve of the lime slurry storage tank; 6-an electric valve of the lime slurry storage tank; 7-a lime slurry storage tank; 8-lime slurry stirrer; 9-a lime slurry delivery pump; 10-a manual valve of a dry process water tank; 11-an electric valve of a dry process water tank; 12-a dry process water tank; 13-a dry process water delivery pump.
Detailed Description
In order to make the technical solution and advantages of the present utility model more clear, the technical solution of the embodiments of the present utility model will be fully described below with reference to the accompanying drawings in the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The utility model adds a pipeline to lime slurry storage tank and dry process water tank on the outlet pipeline of original caustic soda conveying pump, and configures a manual valve and an electric valve respectively, when lime slurry preparation fails, lime slurry quality is bad, or wet deacidification system needs to be withdrawn from operation, the valve on the newly added pipeline is opened to convey caustic soda to the lime slurry storage tank and dry process water tank, and then the caustic soda solution is conveyed to the atomizer of semi-dry process and the cooling spray gun of dry process by utilizing the original lime slurry conveying pump and dry process water conveying pump to remove acid gas.
The utility model provides an interactive standby device which is used between garbage incineration power generation deacidification systems, wherein the garbage incineration power generation deacidification systems comprise caustic soda liquid containers, dry process water containers and lime slurry containers, and the interactive standby device comprises conveying pipelines arranged between the caustic soda liquid containers and the dry process water containers and the lime slurry containers and used for conveying caustic soda liquid to the dry process water containers and the lime slurry containers.
Further, the device also comprises a caustic soda delivery pump, the caustic soda liquid container is connected with the caustic soda delivery pump, the delivery pipeline is a single-inlet double-outlet pipeline and comprises an input section, a first output section and a second output section, wherein the input section is connected with the caustic soda delivery pump, the first output section is connected with the dry process water container, and the second output section is connected with the lime slurry container. The first output section is provided with a first valve group and the second output section is provided with a second valve group. The first valve group comprises a first manual valve and a first electric valve; the second valve group comprises a second manual valve and a second electric valve. The input section is provided with an input valve. The electric valve is convenient for remote operation, but the electric valve is easy to damage, so that the manual valve and the electric valve are simultaneously arranged, and when the electric valve is damaged, the manual valve is used for isolating and overhauling.
The utility model also provides a power generation deacidification system which comprises a wet deacidification system, a dry deacidification system, a semi-dry deacidification system and the interactive standby device. The caustic soda conveying pump is respectively connected with the wet deacidification system and the input section through a one-to-two joint; the lime slurry container is connected with the semi-dry deacidification system through a semi-dry pipeline; the dry process water container is connected with the dry deacidification system through a dry pipeline. The dry process water container is also connected with the semi-dry deacidification system. A valve group is arranged between the one-to-two joint and the wet deacidification system; the semi-dry pipeline is provided with a valve group; the dry pipeline is provided with a valve group. A lime slurry conveying pump is arranged between the lime slurry container and the semi-dry pipeline; a dry process water delivery pump is arranged between the dry process water container and the dry process pipeline.
A specific embodiment of the present utility model will be described below with reference to the accompanying drawings.
As shown in fig. 1, under normal conditions, a caustic soda delivery pump 3 and a lime slurry delivery pump 9 of a garbage incineration power plant are in Chang Qi states, a caustic soda stirrer 2 and a lime slurry stirrer 8 are also in normal starting states, when a lime slurry preparation system fails and cannot prepare slurry, and when the liquid level of a lime slurry storage tank 7 is low, and the semi-dry deacidification effect is not ideal due to the quality difference of lime slurry, or when a wet deacidification system fails and returns, a manual valve 5 to the lime slurry storage tank and an electric valve 6 to the lime slurry storage tank on a newly-added caustic soda delivery pipeline 4 are opened, caustic soda in the caustic soda storage tank 1 is delivered into the lime slurry storage tank 7, and caustic soda solution is delivered to a semi-dry atomizer through the lime slurry pump, so that the caustic soda plays a deacidification effect in a semi-dry reaction tower.
Or when lime slurry cannot be prepared, the quality of the lime slurry is poor and a wet system is returned, the manual valve 10 to the dry process water tank and the electric valve 11 to the dry process water tank can be opened to convey caustic soda to the dry process water tank 12, and the original dry process water conveying pump 13 is utilized to convey the liquid alkali solution to the dry cooling spray gun for atomization deacidification.
The utility model has the advantages that the operation stability and reliability of the waste incineration flue gas treatment deacidification system can be greatly improved, the deacidification efficiency of the semi-dry method and the dry method is improved by utilizing the high reactivity of the caustic soda, and the waste incineration flue gas index fluctuation caused by the problems of incapability of preparing lime slurry, poor quality of lime slurry, wet system fault deactuation and the like due to the defects of rotary valve jam, leakage of a blanking expansion joint, blockage of a lime slurry digestion tank and the like is avoided.
In the description of the present specification, reference to the terms "one embodiment" and "example" and the like mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily aimed at being combined in a suitable manner in the opposite embodiments or examples.
It must be pointed out that the above description of the embodiments is not intended to be limiting but to assist in understanding the core idea of the utility model, and that any modifications to the utility model and alternatives equivalent to the present product, which do not depart from the principle of the utility model, are intended to be within the scope of the claims of the utility model.
Claims (10)
1. The interactive standby device is used between the garbage incineration power generation deacidification systems and is characterized by comprising a caustic soda liquid container, a dry process water container and a lime slurry container, wherein the interactive standby device comprises a conveying pipeline arranged between the caustic soda liquid container and the dry process water container and between the caustic soda liquid container and the lime slurry container and is used for conveying caustic soda liquid to the dry process water container and the lime slurry container.
2. The interactive standby device according to claim 1 further comprising a caustic soda transfer pump, wherein the caustic soda liquid container is connected to the caustic soda transfer pump, the transfer conduit is a single-in double-out conduit comprising an input section, a first output section and a second output section, wherein the input section is connected to the caustic soda transfer pump, the first output section is connected to the dry process water container, and the second output section is connected to the lime slurry container.
3. The interactive standby device according to claim 2, wherein the first output section is provided with a first valve group and the second output section is provided with a second valve group.
4. The interactive standby device according to claim 3 wherein the first valve group comprises a first manual valve and a first electrically operated valve; the second valve group comprises a second manual valve and a second electric valve.
5. An interactive standby device according to claim 3, wherein an input valve is provided on the input section.
6. A power generation deacidification system comprising a wet deacidification system, a dry deacidification system, and a semi-dry deacidification system, and an interactive standby device according to any one of claims 1-5.
7. The power generation deacidification system of claim 6, wherein said caustic soda transfer pump is connected to said wet deacidification system and said input section, respectively, by a split-two joint; the lime slurry container is connected with the semi-dry deacidification system through a semi-dry pipeline; the dry process water container is connected with the dry deacidification system through a dry pipeline.
8. The power generation deacidification system of claim 7, wherein said dry process water vessel is further connected to said semi-dry deacidification system.
9. The power generation deacidification system of claim 7, wherein a valve set is disposed between said one-to-two joint and said wet deacidification system; the semi-dry pipeline is provided with a valve group; the dry pipeline is provided with a valve group.
10. The power generation and deacidification system according to claim 7, wherein a lime slurry transfer pump is provided between the lime slurry vessel and the semi-dry process line; a dry process water delivery pump is arranged between the dry process water container and the dry process pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322657832.8U CN221015370U (en) | 2023-09-28 | 2023-09-28 | Interactive standby device and power generation deacidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322657832.8U CN221015370U (en) | 2023-09-28 | 2023-09-28 | Interactive standby device and power generation deacidification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221015370U true CN221015370U (en) | 2024-05-28 |
Family
ID=91135791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322657832.8U Active CN221015370U (en) | 2023-09-28 | 2023-09-28 | Interactive standby device and power generation deacidification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221015370U (en) |
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2023
- 2023-09-28 CN CN202322657832.8U patent/CN221015370U/en active Active
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