CN220345469U - Limestone slurry supply system - Google Patents
Limestone slurry supply system Download PDFInfo
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- CN220345469U CN220345469U CN202320669891.4U CN202320669891U CN220345469U CN 220345469 U CN220345469 U CN 220345469U CN 202320669891 U CN202320669891 U CN 202320669891U CN 220345469 U CN220345469 U CN 220345469U
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- Prior art keywords
- slurry supply
- slurry
- valve
- supply pipeline
- pipeline
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- 239000002002 slurry Substances 0.000 title claims abstract description 204
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 25
- 239000006028 limestone Substances 0.000 title claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 238000011010 flushing procedure Methods 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000006096 absorbing agent Substances 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 210000004534 cecum Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to a limestone slurry supply system, comprising: a first absorption tower, a second absorption tower and a density tank; the first absorption tower is communicated with a first slurry supply pipeline and a second slurry supply pipeline; the second absorption tower is communicated with a third slurry supply pipeline and a fourth slurry supply pipeline; the first slurry supply pipeline is connected with the first slurry supply pump, the second slurry supply pipeline is connected with the second slurry supply pump, the third slurry supply pipeline is connected with the third slurry supply pump, and the fourth slurry supply pipeline is connected with the fourth slurry supply pump.
Description
Technical Field
The utility model relates to the technical field of desulfurization, in particular to a limestone slurry supply system.
Background
The flue gas desulfurization of a thermal power plant adopts a limestone-gypsum wet desulfurization process, the process principle is that limestone and water are stirred to prepare absorption slurry, the absorption slurry is pumped into an absorption tower by a limestone slurry supply pump, and sulfur dioxide in the flue gas, calcium carbonate in the slurry and blown oxidized air are subjected to chemical reaction in the absorption tower to generate calcium sulfate dihydrate (gypsum), so that sulfur dioxide in the flue gas is removed.
The existing slurry supply system has three slurry supply pumps, wherein one slurry supply pump is a public pump of two towers, each tower has two slurry supply pipelines, the two towers have four slurry supply pipelines, and each slurry supply pipeline is provided with a manual door.
Thus, the existing slurry supply system is easy to have the following problems when running; 1. the outlet pipes of the three pumps are communicated with four slurry supply pipelines of the first absorption tower and the second absorption tower, and a cecum exists at the tee joint, so that the standby slurry supply pipeline is often blocked, or a density pipe is blocked, and the condition that the pipeline is blocked by internal leakage caused by valve abrasion is often generated; 2. when the sulfur content is high, two slurry supply pumps are needed for supplying slurry, but the common slurry supply pump simultaneously goes to the first absorption tower and the second absorption tower, so that the slurry supply flow cannot be kept up, and an accident slurry tank system is started; 3. when a slurry supply pipeline or a density sampling pipe is switched, the inspection can be operated only by stepping on a pipeline and a valve, and the risk of falling exists; 4. because the valve is large in number and serious in abrasion, slurry is often leaked from the flange of the valve, and civilized production is affected.
Disclosure of Invention
The utility model provides a limestone slurry supply system, which aims to solve the problems that the existing limestone slurry supply system is often blocked by a standby slurry supply pipeline or a density pipe, and the production is influenced by pipeline blockage caused by internal leakage due to valve abrasion.
In order to achieve the purpose of the utility model, a limestone slurry supply system is provided, which comprises: a first absorption tower, a second absorption tower and a density tank; the first absorption tower is communicated with a first slurry supply pipeline and a second slurry supply pipeline; the second absorption tower is communicated with a third slurry supply pipeline and a fourth slurry supply pipeline; the first slurry supply pipeline, the second slurry supply pipeline, the third slurry supply pipeline and the fourth slurry supply pipeline are all communicated with the density tank; the first slurry supply pipeline is connected with a first slurry supply pump, the second slurry supply pipeline is connected with a second slurry supply pump, the third slurry supply pipeline is connected with a third slurry supply pump, and the fourth slurry supply pipeline is connected with a fourth slurry supply pump.
In some embodiments thereof, the limestone slurry feed system further comprises: the flushing pipeline is sequentially communicated with the first slurry supply pipeline, the second slurry supply pipeline, the third slurry supply pipeline and the fourth slurry supply pipeline.
In some embodiments, a first flushing valve is arranged at the joint of the flushing pipeline and the first slurry supply pipeline; a second flushing valve is arranged at the joint of the flushing pipeline and the second slurry supply pipeline; a third flushing valve is arranged at the joint of the flushing pipeline and the third slurry supply pipeline; the joint of the flushing pipeline and the fourth slurry supply pipeline is provided with a fourth flushing valve.
In some embodiments, the first flush valve, the second flush valve, the third flush valve, and the fourth flush valve are manual valves.
In some embodiments, the first flush valve, the second flush valve, the third flush valve, and the fourth flush valve are electrically operated valves.
In some embodiments, the first slurry supply pump is connected with a first slurry supply valve, the second slurry supply pump is connected with a second slurry supply valve, the third slurry supply pump is connected with a third slurry supply valve, and the fourth slurry supply pump is connected with a fourth slurry supply valve.
In some embodiments, the first, second, third and fourth slurry supply valves are manual valves.
In some embodiments, the first, second, third and fourth slurry supply valves are electrically operated valves.
In some embodiments, a first regulating valve is disposed between the first absorber and the density tank, and a second regulating valve is disposed between the second absorber and the density tank.
In some embodiments, the first regulating valve and the second regulating valve are electrically operated valves.
The utility model has the beneficial effects that: the limestone slurry supply system provided by the utility model avoids the situation that slurry supply pipelines are blocked due to internal leakage of the valve, so that the slurry supply system cannot normally operate, and the pipeline is not required to be stepped on during inspection, so that the risk of falling of personnel is avoided.
Drawings
FIG. 1 is a schematic diagram of some embodiments of a limestone slurry feed system in accordance with the present utility model.
In the drawing, 100, a first absorption tower; 110. a first slurry supply line; 111. a first slurry supply pump; 112. a first slurry supply valve; 120. a second slurry supply line; 121. a second slurry supply pump; 122. a second slurry supply valve; 200. a second absorption tower; 210. a third slurry supply line; 211. a third slurry supply pump; 212. a third slurry supply valve; 220. a fourth slurry supply line; 221. a fourth slurry supply pump; 222. a fourth slurry supply valve; 300. a density tank; 400. flushing the pipeline; 410. a first flush valve; 420. a second flush valve; 430. a third flush valve; 440. a fourth flush valve; 500. a first regulating valve; 600. and a second regulating valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," "upper," "lower," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model or simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to FIG. 1, in one aspect of the present application, there is provided a limestone slurry feed system comprising: a first absorption tower 100, a second absorption tower 200, and a density tank 300.
Specifically, the first absorption tower 100 of the present application is connected to a first slurry supply line 110 and a second slurry supply line 120; the second absorption tower 200 is communicated with a third slurry supply pipeline 210 and a fourth slurry supply pipeline 220; the first slurry supply line 110, the second slurry supply line 120, the third slurry supply line 210, and the fourth slurry supply line 220 are all in communication with the density tank 300; the first slurry supply pipeline 110 is connected with a first slurry supply pump 111, the second slurry supply pipeline 120 is connected with a second slurry supply pump 121, the third slurry supply pipeline 210 is connected with a third slurry supply pump 211, and the fourth slurry supply pipeline 220 is connected with a fourth slurry supply pump 221.
In some embodiments thereof, the limestone slurry feed system of the present application further includes: the flushing line 400 is used for flushing the first slurry supply line 110, the second slurry supply line 120, the third slurry supply line 210 and the fourth slurry supply line 220.
Specifically, the flushing pipeline 400 of the present application is sequentially connected to the first slurry supply pipeline 110, the second slurry supply pipeline 120, the third slurry supply pipeline 210, and the fourth slurry supply pipeline 220.
In some embodiments, a first flush valve 410 is provided at the junction of the flush line 400 and the first slurry supply line 110 of the present application; a second flushing valve 420 is arranged at the joint of the flushing pipeline 400 and the second slurry supply pipeline 120; a third flushing valve 430 is provided at the junction of the flushing line 400 and the third slurry supply line 210; a fourth flushing valve 440 is provided at the junction of the flushing line 400 and the fourth pulp feed line 220.
In some of these applications, the first flush valve 410, the second flush valve 420, the third flush valve 430, and the fourth flush valve 440 of the present application are manual valves.
In other applications, the first flush valve 410, the second flush valve 420, the third flush valve 430, and the fourth flush valve 440 of the present application are electrically operated valves.
It should be noted that the first flush valve 410, the second flush valve 420, the third flush valve 430, and the fourth flush valve 440 of the present application are not limited to a manual valve and an electric valve, and may be any valve form as desired.
In some embodiments, the first slurry pump 111 is connected to the first slurry valve 112, the second slurry pump 121 is connected to the second slurry valve 122, the third slurry pump 211 is connected to the third slurry valve 212, and the fourth slurry pump 221 is connected to the fourth slurry valve 222.
In some of these applications, the first, second, third, and fourth slurry supply valves 112, 122, 212, 222 of the present application are manual valves.
In other applications, the first, second, third, and fourth slurry valves 112, 122, 212, 222 of the present application are electrically operated valves.
It should be noted that the first slurry supply valve 112, the second slurry supply valve 122, the third slurry supply valve 212, and the fourth slurry supply valve 222 of the present application are not limited to a manual valve and an electric valve, and may be any valve form as desired.
In some embodiments, a first regulating valve 500 is disposed between the first absorber 100 and the density tank 300, and a second regulating valve 600 is disposed between the second absorber 200 and the density tank 300.
In some of these applications, the first regulator valve 500 and the second regulator valve 600 of the present application are electrically operated valves.
In other applications, the first regulator valve 500 and the second regulator valve 600 of the present application are manual valves.
It should be noted that the first regulating valve 500 and the second regulating valve 600 of the present application are not limited to a manual valve and an electric valve, and may be any valve form as desired.
In some embodiments, the slurry feed workflow of the first absorber 100 of the present application:
s1, opening a first regulating valve 500 from a first slurry supply pump 111 to the density tank 300;
s2, opening a first slurry supply valve 112 from the first slurry supply pump 111 to the first slurry supply pipeline 110;
s3, starting the first slurry supply pump 111;
s4, automatically tracking the slurry supply flow according to the acid-base value set by the first absorption tower 100;
s5, adjusting the opening of a pulp supply reflux pipeline according to the pulp supply flow requirement;
s6, if the sulfur content at the inlet of the first absorption tower 100 exceeds a design value, the sulfur content at the outlet cannot ensure that the environmental protection reaches the standard, and a second slurry supply pump 121 is started to supply slurry simultaneously;
7. normally, the first slurry pump 111 and the second slurry pump 121 are one-by-one;
in some embodiments, the slurry feed workflow of the second absorber 200 of the present application:
s1, opening a first regulating valve 500 from a third slurry supply pump 211 to the density tank 300;
s2, opening a third slurry pump to a third slurry supply valve 212 of a third slurry supply pipeline 210;
s3, starting a third slurry supply pump 211;
s4, automatically tracking the slurry supply flow according to the acid-base value set by the two absorption towers;
s5, adjusting the opening of a pulp supply reflux pipeline according to the pulp supply flow requirement;
s6, if the sulfur content at the inlet of the second absorption tower 200 exceeds a design value, the sulfur content at the outlet cannot ensure that the environmental protection reaches the standard, and a fourth slurry supply pump 221 is started, and the two pumps supply slurry simultaneously;
7. normally, the third slurry pump 211 and the fourth slurry pump 221 are one-by-one;
in operation, one of the absorption towers of the present application is operated with the slurry pump belt density tank 300.
Specifically, the limestone slurry supply system provided by the utility model avoids the situation that slurry supply pipelines are blocked due to internal leakage of a valve, so that the slurry supply system cannot normally operate, and the pipeline does not need to be stepped on during inspection, so that the risk of falling of personnel is avoided.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present utility model is not limited to the above preferred embodiments, and any person skilled in the art, within the scope of the present utility model, may apply to the present utility model, and equivalents and modifications thereof are intended to be included in the scope of the present utility model.
Claims (10)
1. A limestone slurry feed system comprising:
a first absorption tower, a second absorption tower and a density tank;
the first absorption tower is communicated with a first slurry supply pipeline and a second slurry supply pipeline;
the second absorption tower is communicated with a third slurry supply pipeline and a fourth slurry supply pipeline;
the first slurry supply pipeline, the second slurry supply pipeline, the third slurry supply pipeline and the fourth slurry supply pipeline are all communicated with the density tank;
the first slurry supply pipeline is connected with a first slurry supply pump, the second slurry supply pipeline is connected with a second slurry supply pump, the third slurry supply pipeline is connected with a third slurry supply pump, and the fourth slurry supply pipeline is connected with a fourth slurry supply pump.
2. The limestone slurry feed system of claim 1, further comprising: the flushing pipeline is sequentially communicated with the first slurry supply pipeline, the second slurry supply pipeline, the third slurry supply pipeline and the fourth slurry supply pipeline.
3. The limestone slurry feed system of claim 2, wherein a first flush valve is provided at a junction of the flush line and the first slurry feed line; a second flushing valve is arranged at the joint of the flushing pipeline and the second slurry supply pipeline; a third flushing valve is arranged at the joint of the flushing pipeline and the third slurry supply pipeline; and a fourth flushing valve is arranged at the joint of the flushing pipeline and the fourth slurry supply pipeline.
4. A limestone slurry feed system according to claim 3 wherein the first, second, third and fourth rinse valves are manual valves.
5. A limestone slurry feed system according to claim 3 wherein the first, second, third and fourth rinse valves are electrically operated valves.
6. The limestone slurry feed system of claim 1 wherein the first slurry feed pump is connected with a first slurry feed valve, the second slurry feed pump is connected with a second slurry feed valve, the third slurry feed pump is connected with a third slurry feed valve, and the fourth slurry feed pump is connected with a fourth slurry feed valve.
7. The limestone slurry feed system of claim 6 wherein the first, second, third and fourth slurry feed valves are manual valves.
8. The limestone slurry feed system of claim 6 wherein the first, second, third and fourth slurry feed valves are electrically operated valves.
9. The limestone slurry feed system of claim 1, wherein a first regulating valve is disposed between the first absorber tower and the density tank, and a second regulating valve is disposed between the second absorber tower and the density tank.
10. The limestone slurry feed system of claim 9, wherein the first and second regulating valves are electrically operated valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669891.4U CN220345469U (en) | 2023-03-29 | 2023-03-29 | Limestone slurry supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669891.4U CN220345469U (en) | 2023-03-29 | 2023-03-29 | Limestone slurry supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220345469U true CN220345469U (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320669891.4U Active CN220345469U (en) | 2023-03-29 | 2023-03-29 | Limestone slurry supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220345469U (en) |
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- 2023-03-29 CN CN202320669891.4U patent/CN220345469U/en active Active
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