CN212523632U - Optimize wet flue gas desulfurization gypsum thick liquid discharge system - Google Patents
Optimize wet flue gas desulfurization gypsum thick liquid discharge system Download PDFInfo
- Publication number
- CN212523632U CN212523632U CN202020266002.6U CN202020266002U CN212523632U CN 212523632 U CN212523632 U CN 212523632U CN 202020266002 U CN202020266002 U CN 202020266002U CN 212523632 U CN212523632 U CN 212523632U
- Authority
- CN
- China
- Prior art keywords
- slurry
- thick liquid
- accident
- flue gas
- desulfurization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an optimize wet flue gas desulfurization gypsum thick liquid discharge system relates to lime stone-gypsum wet flue gas desulfurization device field, concretely relates to optimize wet flue gas desulfurization gypsum thick liquid discharge system, including the desulfurization absorption tower, the desulfurization absorption tower is connected with accident thick liquid case through the thick liquid discharge pump, be connected with the thick liquid on the accident thick liquid case and handle flash tank. The utility model discloses simple structure handles the dilatation device through the thick liquid and in time handles the accident thick liquid, effectively deals with the emergency that needs the grout pouring to desulfurization system's safety and stability operation has been improved.
Description
Technical Field
The utility model relates to a lime stone-gypsum wet flue gas desulfurization device field, concretely relates to optimize wet flue gas desulfurization gypsum thick liquid discharge system.
Background
Under the normal operation condition of the limestone-gypsum wet desulphurization system, the slurry of the desulphurization absorption tower is conveyed to the cyclone device by the gypsum slurry discharge pump, the underflow of the cyclone device automatically flows to the dehydration equipment for gypsum dehydration, and the overflow directly or indirectly returns to the absorption tower body. In the actual production process, the desulfurization efficiency is reduced due to the phenomenon of slurry quality deterioration, the sulfur dioxide at the main discharge port exceeds the standard, and serious accidents that a unit is not stopped are caused more seriously. When the quality of the slurry in the desulfurization absorption tower is in a problem, a large amount of slurry replacement is often needed, namely, the original slurry in the desulfurization absorption tower is conveyed to an accident slurry tank through a gypsum slurry discharge pump to be stored, and fresh limestone slurry in a limestone slurry tank is conveyed to the desulfurization absorption tower through a limestone slurry supply pump, so that the aim of optimizing the slurry environment of the absorption tower and maintaining the slurry density of the absorption tower is fulfilled. Under the condition of continuous operation of the unit, a certain time period is needed for analyzing problems and completely eliminating faults, and if the volume of an accident slurry tank is insufficient, the situation that a large amount of slurry needs to be replaced when the quality of the sudden slurry is deteriorated is difficult to deal with. In addition, the commonly available field around the wet desulphurization system is limited, and the slurry storage tank with large volume is difficult to be newly added or the accident slurry tank is difficult to be subjected to capacity expansion transformation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can in time handle the thick liquid of accident thick liquid incasement for accident thick liquid case has a optimization wet flue gas desulfurization gypsum thick liquid discharge system that sufficient storage space dealt with the unusual incident of gypsum thick liquid quality.
The utility model relates to an optimize wet flue gas desulfurization gypsum slurry discharge system, including the desulfurization absorption tower, the desulfurization absorption tower is connected with accident slurry case through the thick liquid discharge pump, be connected with the thick liquid on the accident slurry case and handle dilatation device.
Preferably, the slurry treatment expansion device comprises a slurry buffer pump, the slurry buffer pump is connected with the lower part of the accident slurry tank through an accident slurry discharge pipe, and the slurry buffer pump is connected with a slurry dehydration drying device through an accident slurry cyclone.
Preferably, the accident slurry cyclone is provided with an overflow port and a bottom flow port, the overflow port is connected with a wastewater outlet pipe, and the bottom flow port is connected with the slurry dehydration drying device.
Preferably, the slurry dewatering and drying device is a vacuum dewatering belt conveyor.
Preferably, the slurry dewatering and drying device is a disc vacuum filter.
Or preferably, a side entry agitator is provided on the emergency slurry tank.
The utility model discloses simple structure handles the dilatation device through the thick liquid and in time handles the accident thick liquid, effectively deals with the emergency that needs the grout pouring to desulfurization system's safety and stability operation has been improved.
The utility model discloses under the prerequisite that does not change accident thick liquid case effect, utilize accident thick liquid case buffering gypsum thick liquid, under the prerequisite that does not influence absorption tower system normal operating, carry out the dehydration operation of accident thick liquid in succession. On one hand, the secondary deterioration of the absorption tower slurry caused by the fact that the accident slurry returns to the absorption tower body is avoided; on the other hand, the pressure of storing the slurry in the slurry tank is relieved, and the emergency situation that the slurry needs to be poured is effectively dealt with. Thereby improving the safe and stable operation of the desulfurization system.
Drawings
Fig. 1 is a schematic view of the present invention.
Reference numerals: 1-a desulfurization absorption tower, 2-an accident slurry tank, 3-a slurry discharge pump, 4-a slurry buffer pump, 5-an accident slurry swirler and 6-a vacuum dehydration belt conveyor.
Detailed Description
The utility model relates to an optimize wet flue gas desulfurization gypsum slurry discharge system, including desulfurization absorption tower 1, desulfurization absorption tower 1 is connected with accident slurry case 2 through thick liquid discharge pump 3, be connected with the thick liquid on the accident slurry case 2 and handle flash tank.
The slurry treatment and expansion device comprises a slurry buffer pump 4, wherein the slurry buffer pump 4 is connected with the lower part of the accident slurry tank 2 through an accident slurry discharge pipe, and the slurry buffer pump 4 is connected with a slurry dehydration drying device through an accident slurry swirler 5.
The accident slurry swirler 5 is provided with an overflow port and a bottom flow port, the overflow port is connected with a wastewater outlet pipe, and the bottom flow port is connected with the slurry dehydration drying device.
The slurry dewatering and drying device is a vacuum dewatering belt conveyor 6. The slurry dewatering and drying device can also be a disc type vacuum filter.
A side-entry agitator is arranged on the accident slurry tank 2.
Under the condition that accident slurry tank 2 is not newly increased or the capacity expansion transformation is carried out on accident slurry tank 2, the idle time of a dewatering device can be utilized to carry out the dewatering operation of the 2 slurries in accident slurry tank, so that the accident slurry tank 2 is prevented from storing a large amount of slurries, the emergency of operation cannot be coped with, and the stability of the operation of the desulfurization system is further improved.
When the desulfurization system is in failure, gypsum slurry in the desulfurization absorption tower 1 is conveyed to the accident slurry tank 2 through the slurry discharge pump 3. Accident slurry in the accident slurry tank 2 is conveyed to an accident slurry swirler 5 through a slurry buffer pump 4, the accident slurry swirler 5 conveys lower-layer fluid into a vacuum dewatering belt conveyor 6 through a bottom flow port to be dewatered to form gypsum solid, and the accident slurry swirler 5 conveys upper-layer fluid into a wastewater treatment device through an overflow port to be subjected to wastewater treatment.
The utility model discloses simple structure handles the dilatation device through the thick liquid and in time handles the accident thick liquid, effectively deals with the emergency that needs the grout pouring to desulfurization system's safety and stability operation has been improved.
The utility model discloses under the prerequisite that does not change accident slurry case 2 effects, utilize accident slurry case 2 buffering gypsum thick liquids, under the prerequisite that does not influence absorption tower system normal operating, carry out the dehydration operation of accident thick liquids in succession. On one hand, the secondary deterioration of the absorption tower slurry caused by the fact that the accident slurry returns to the absorption tower body is avoided; on the other hand, the pressure of the slurry storage of the slurry tank 2 in case of accidents is relieved, and the emergency situation that slurry needs to be poured is effectively dealt with. Thereby improving the safe and stable operation of the desulfurization system.
Claims (6)
1. The utility model provides an optimize wet flue gas desulfurization gypsum slurry discharge system, includes desulfurization absorption tower (1), desulfurization absorption tower (1) is connected with accident slurry case (2) through thick liquid discharge pump (3), its characterized in that, be connected with the thick liquid on accident slurry case (2) and handle flash chamber.
2. The system for optimizing the discharge of the wet desulfurization gypsum slurry according to claim 1, wherein the slurry treatment and expansion device comprises a slurry buffer pump (4), the slurry buffer pump (4) is connected with the lower part of the emergency slurry tank (2) through an emergency slurry discharge pipe, and the slurry buffer pump (4) is connected with a slurry dewatering and drying device through an emergency slurry cyclone (5).
3. The system for optimizing the discharge of the wet desulfurization gypsum slurry according to claim 2, wherein the emergency slurry cyclone (5) is provided with an overflow port and a bottom flow port, the overflow port is connected with a wastewater outlet pipe, and the bottom flow port is connected with the slurry dehydration drying device.
4. An optimized wet-desulfurized gypsum slurry discharge system according to claim 3 wherein said slurry dewatering and drying means is a vacuum dewatering belt conveyor (6).
5. The optimized wet-desulfurization gypsum slurry discharge system of claim 3, wherein said slurry dewatering and drying device is a disc vacuum filter.
6. An optimized wet flue gas desulfurization gypsum slurry discharge system according to claim 4 or 5, wherein a side-entry agitator is provided on the emergency slurry tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266002.6U CN212523632U (en) | 2020-03-06 | 2020-03-06 | Optimize wet flue gas desulfurization gypsum thick liquid discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266002.6U CN212523632U (en) | 2020-03-06 | 2020-03-06 | Optimize wet flue gas desulfurization gypsum thick liquid discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523632U true CN212523632U (en) | 2021-02-12 |
Family
ID=74526371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020266002.6U Expired - Fee Related CN212523632U (en) | 2020-03-06 | 2020-03-06 | Optimize wet flue gas desulfurization gypsum thick liquid discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212523632U (en) |
-
2020
- 2020-03-06 CN CN202020266002.6U patent/CN212523632U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016010135A1 (en) | Flue gas desulfurization apparatus and method of operating same | |
| CN212523632U (en) | Optimize wet flue gas desulfurization gypsum thick liquid discharge system | |
| CN2813074Y (en) | Gypsum slurry dewatering device in wet-process flue gas desulfurizing system | |
| CN102872710B (en) | Waste water cyclone system for desulfuration device of thermal power station | |
| CN210303151U (en) | Wet flue gas desulfurization wastewater discharge system adapting to large limestone quality change | |
| CN101468289B (en) | Desulfurizer suitable for sulfuric dioxide of large-scope change and control method thereof | |
| CN211098349U (en) | Gypsum dewatering mechanism for cement kiln wet desulphurization system | |
| CN207076332U (en) | A kind of desulfurization column in series stock tank intercommunicating device | |
| CN205730844U (en) | A kind of biochemical sewage exhaust-gas efficient deodorization processing means | |
| US8641386B2 (en) | Method and device for pumping liquids using a pneumatic positive displacement pump | |
| CN112973188A (en) | System for deeply treating slurry foaming of desulfurization absorption tower | |
| CN210367400U (en) | Byproduct treatment system applied to wet desulphurization | |
| CN205164294U (en) | A gypsum discharge system for desulphurization unit of sintering system | |
| CN113186001A (en) | Blast furnace gas fine desulfurization system | |
| CN207076333U (en) | A kind of desulfurization column in series grout replacement device | |
| CN202078850U (en) | Novel lime-plaster wet-process flue gas desulfurization device | |
| CN205700107U (en) | Desulfurization tower slot type liquid level regulation device | |
| CN107460014B (en) | Natural gas desulfurization process device | |
| CN202021008U (en) | Wet flue gas desulfurization double-tower joint treatment device with cyclone station | |
| CN105920989B (en) | Desulfurization tower slot type liquid level regulation device | |
| CN205815222U (en) | A kind of desulfurization slurry carries slag device | |
| CN204672012U (en) | Gravity filtration separator | |
| CN216440352U (en) | Pulping equipment and wet desulphurization system | |
| CN218166565U (en) | Carbon black flue gas desulfurization slurry optimization system | |
| CN217868430U (en) | Desulfurization absorption tower water source allotment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |