CN219002555U - Absorption tower moisturizing system - Google Patents
Absorption tower moisturizing system Download PDFInfo
- Publication number
- CN219002555U CN219002555U CN202223397296.4U CN202223397296U CN219002555U CN 219002555 U CN219002555 U CN 219002555U CN 202223397296 U CN202223397296 U CN 202223397296U CN 219002555 U CN219002555 U CN 219002555U
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- demister
- water
- water pump
- valve
- water tank
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 61
- 230000003020 moisturizing effect Effects 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 251
- 238000000034 method Methods 0.000 claims abstract description 134
- 238000004891 communication Methods 0.000 claims description 26
- 239000003595 mist Substances 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 19
- 239000013589 supplement Substances 0.000 description 10
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 9
- 239000002002 slurry Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of thermal power generation, and discloses an absorption tower water supplementing system, which comprises the following components: the absorption tower water replenishing units comprise a process waterway, two demister waterways, two connecting pipes, two connecting valves, two absorption towers and two demisters; this system is through setting up the connecting pipe between technology water route and defroster water route to still be provided with the connecting valve on the connecting pipe, when technology water tank on the technology water route or this technology water pump appear unusual, can switch into the defroster water route in time and carry out moisturizing, guarantee the normal operating of absorption tower ground, in the same way, when defroster water route and defroster water pump on the defroster water route appear unusual, also can switch into the technology water route and carry out moisturizing to the defroster, this system not only can guarantee the stability of moisturizing system, and need not to add reserve water tank and reserve water pump, and simple structure, facilitate the use.
Description
Technical Field
The utility model relates to the technical field of thermal power generation, in particular to a water supplementing system of an absorption tower.
Background
The water used in the absorption tower system of the existing thermal power plant is mainly divided into two pathsOne path is water for washing the demister, and because the demister blocks liquid drops in the flue gas, liquid drop slurry can solidify on the demister, SO the demister needs to be washed regularly to prevent the collapse accident of the demister caused by liquid drop blockage, and the other path of water is process water for adjusting the density of slurry in the absorption tower and being water for washing related equipment in the absorption tower, when the absorption tower cannot be used for diluting limestone slurry to adjust the slurry density, the flue gas SO can be caused 2 The absorption of the waste water is not ideal, so that the pollutant is discharged outside, the environmental protection emission index exceeds the standard, and meanwhile, other equipment can be damaged due to overheat of the equipment caused by lack of cooling water or flushing water, so that huge loss is caused.
At present, the existing water replenishing system for the absorption towers is generally used for respectively supplying process water for the two absorption towers through one process waterway, and the normal operation of the absorption towers is ensured mainly through additionally arranging a plurality of standby water tanks and a plurality of standby pumps, but the plurality of standby water tanks and the plurality of standby pumps are arranged, so that on one hand, the extra cost is increased, on the other hand, the operation is complex when the system is used, the water tanks and the water pumps are required to be replaced, and the system is also required to be maintained regularly, so that the manpower is wasted.
Disclosure of Invention
The purpose of the utility model is that: the water supplementing system of the absorption tower is simple in structure and convenient to use, and stability of the water supplementing system can be guaranteed.
In order to achieve the above object, the present utility model provides an absorption tower water replenishing system, comprising: a plurality of absorption tower moisturizing unit, absorption tower moisturizing unit includes: the demister comprises a process waterway, two demister waterways, two connecting pipes, two connecting valves, two absorption towers and two demisters, wherein the two demisters are respectively arranged in the two absorption towers;
the process waterway comprises a process water tank, a process water pump and a first pipeline, wherein one end of the first pipeline is connected with the process water tank, two branch pipes extend out of the other end of the first pipeline, the two branch pipes are respectively connected to the two absorption towers, and the process water pump is arranged on the first pipeline and is positioned between the process water tank and the branch pipes;
the demister waterway comprises a demister water tank, a demister water pump and a second pipeline, wherein the two demister water tanks are respectively connected to the two demisters through the two second pipelines, and the demister water pump is arranged on the second pipelines;
the two branch pipes are connected with the two second pipelines through two connecting pipes respectively, wherein the connecting points of the connecting pipes and the branch pipes are first connecting points, the connecting points of the connecting pipes and the second pipelines are second connecting points, the second connecting points are positioned between the demister water pump and the demister, and the two connecting valves are respectively arranged on the two connecting pipes and used for controlling the on-off of the connecting pipes.
Preferably, the process water path further comprises a process water tank valve, the process water tank valve is arranged on the first pipeline and is positioned between the process water tank and the process water pump, the process water tank valve is used for controlling the on-off of the first pipeline between the process water tank and the process water pump, when the process water tank is abnormal, the process water tank valve can be closed timely, loss is reduced, and the process water tank valve is switched into the demister water path timely to supplement water, so that the absorption tower is guaranteed to normally operate.
Preferably, the process water path further comprises a process water pump valve, the process water pump valve is arranged on the first pipeline and is located between the process water pump and the branch pipe, the process water pump valve is used for controlling the on-off of the first pipeline between the process water pump and the branch pipe, when the process water pump is abnormal, the process water pump valve can be closed timely, loss is reduced, and the process water pump valve is switched into the demister water path timely to supplement water, so that the normal operation of the absorption tower is ensured.
Preferably, the process waterway further comprises a branch pipe valve, the branch pipe valve is arranged on the branch pipe and is positioned between the process water pump and the first communication point, the branch pipe valve is used for controlling the on-off of the branch pipe, when one of the branch pipes is abnormal, the branch pipe valve on the branch pipe can be closed timely, loss is reduced, and the water can be supplemented by switching into the demister waterway timely on the premise that the other branch pipe is not influenced, so that the normal operation of the absorption tower is ensured.
Preferably, the demister waterway further comprises a demister water tank valve, the demister water tank valve is arranged on the second pipeline and located between the demister water tank and the demister water pump, the demister water tank valve is used for controlling on-off of the second pipeline between the demister water tank and the demister water pump, when the demister water tank is abnormal, the demister water tank valve can be timely closed, loss is reduced, and the demister water tank valve is timely switched into the process waterway to supplement water, so that the absorption tower is guaranteed to normally operate.
Preferably, the demister water path further comprises a demister water pump valve, the demister water pump valve is arranged on the second pipeline and located between the demister water pump and the second communication point, the demister water pump valve is used for controlling on-off of the second pipeline between the demister water pump and the second communication point, when the demister water pump is abnormal, the demister water pump valve can be timely closed, loss is reduced, and the demister water pump valve is timely switched into the process water path to supplement water, so that the absorption tower is guaranteed to normally operate.
Preferably, the demister waterway further comprises a demister valve, the demister valve is arranged on the second pipeline and located between the demister and the second communication point, and is used for controlling the on-off of the second pipeline between the second pipeline and the demister, when the second pipeline is abnormal, the demister valve can be timely closed, loss is reduced, and the demister valve is timely switched into the process waterway to supplement water, so that the absorption tower is ensured to normally operate.
Preferably, the utility model also comprises a control device, the communication valve is an electric valve, and the communication valve is electrically connected with the control device, the control device is used for controlling the opening and closing of the electric valve, and can more rapidly control the switching between the demister waterway and the process waterway, so as to ensure the normal operation of the absorption tower.
Compared with the prior art, the water supplementing system of the absorption tower has the beneficial effects that: the system is characterized in that a communication pipe is arranged between the process waterway and the demister waterway, a communication valve is further arranged on the communication pipe, when the process water tank on the process waterway or the process water pump is abnormal, the communication valve is opened, the system can be timely switched to the demister waterway to supplement water, normal operation of the absorption tower is guaranteed, and similarly, when the demister waterway on the demister waterway and the demister water pump are abnormal, the system can be switched to the process waterway to supplement water for the demister, the system not only can ensure the stability of a water supplementing system, but also does not need to add a standby water tank and a standby water pump, and the system is simple in structure and convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the water replenishing unit of the absorption tower according to the embodiment of the present utility model;
FIG. 2 is a schematic view of the construction of the process waterway according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of the demister waterway according to an embodiment of the present utility model.
In the figure, 1, a process waterway; 11. a process water tank; 12. a process water pump; 13. a first pipe; 131. a branch pipe; 14. a process water tank valve; 15. a process water pump valve; 16. a branch pipe valve; 2. a demister waterway; 21. a demister tank; 22. a demister water pump; 23. a second pipe; 24. a demister tank valve; 25. a demister water pump valve; 26. a demister valve; 3. a communication pipe; 4. a communication valve; 5. an absorption tower.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The use of the terms "inner," "outer," and the like in this disclosure to indicate an orientation or positional relationship based on that shown in the drawings is for convenience of description and simplicity of description only, and does not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
In general, the water replenishing system of the absorption towers 5 is used as a public system, and the two absorption towers 5 are supplied with the process water by one process water path, and the demister water path 2 and the process water path are two separate water paths, but the components of the water in the pipelines are identical, so that the two water paths can be mutually used.
As shown in fig. 1 to 3, an absorption tower 5 water replenishing system according to a preferred embodiment of the present utility model includes: the system comprises a plurality of absorption tower water supplementing units (not shown in the drawing), wherein each absorption tower water supplementing unit comprises a process waterway 1, two demister waterways 2, two connecting pipes 3, two absorption towers 5 and two demisters (not shown in the drawing), and the two demisters are respectively arranged in the two absorption towers 5;
the process waterway 1 comprises a process water tank 11, a process water pump 12 and a first pipeline 13, wherein one end of the first pipeline 13 is connected with the process water tank 11, two branch pipes 131 extend out of the other end of the first pipeline, the two branch pipes 131 are respectively connected to the two absorption towers 5, and the process water pump 12 is arranged on the first pipeline 13 and is positioned between the process water tank 11 and the branch pipes 131;
the demister waterway 2 comprises a demister water tank 21, a demister water pump 22 and a second pipeline 23, wherein the demister water tank 21 is connected to the demister through the second pipeline 23, and the demister water pump 22 is arranged on the second pipeline 23;
the two branch pipes 131 are respectively connected with the two second pipelines 23 through two connecting pipes 3, wherein the connecting points of the connecting pipes 3 and the branch pipes 131 are first connecting points, the connecting points of the connecting pipes 3 and the second pipelines 23 are second connecting points, the second connecting points are positioned between the demister water pump 22 and the demister, and the two connecting valves 4 are respectively arranged on the two connecting pipes 3 and used for controlling the on-off of the connecting pipes 3.
Based on the scheme, this system is through setting up the connecting pipe 3 between the technology water route 1 with defroster water route 2 to still be provided with connecting valve 4 on connecting pipe 3, when the technology water tank 11 or the technology water pump 12 on the technology water route 1 appear unusual, can switch into defroster water route 2 in time and carry out the technology moisturizing, guarantee absorber 5 ground normal operating, in the same way, when defroster water route 2 and defroster water pump 22 on the defroster water route 2 appear unusual, also can switch into technology water route 1 and carry out moisturizing to the defroster, this system not only can guarantee the stability of moisturizing system, and need not to add reserve water tank and reserve water pump, simple structure, facilitate the use.
As shown in fig. 2, in order to reduce the loss caused by the abnormality of the process water tank 11, the process water channel 1 further includes a process water tank valve 14, the process water tank valve 14 is disposed on the first pipeline 13 and between the process water tank 11 and the process water pump 12, the process water tank valve 14 is used for controlling the on-off of the first pipeline 13 between the process water tank 11 and the process water pump 12, when the abnormality occurs in the process water tank 11, the process water tank valve 14 can be closed timely, the loss is reduced, and the mist eliminator water channel 2 is switched timely to perform process water replenishing, so that the normal operation of the absorption tower 5 is ensured.
As shown in fig. 2, in order to reduce the loss caused by the abnormality of the process water pump 12, the process water channel 1 further includes a process water pump valve 15, the process water pump valve 15 is disposed on the first pipeline 13 and between the process water pump 12 and the branch pipe 131, the process water pump valve 15 is used for controlling the on-off of the first pipeline 13 between the process water pump 12 and the branch pipe 131, when the abnormality occurs in the process water pump 12, the process water pump valve 15 can be closed timely, the loss is reduced, and the mist eliminator water channel 2 is switched timely to perform process water replenishing, so that the normal operation of the absorption tower 5 is ensured.
As shown in fig. 2, in order to reduce the loss caused by the abnormality of the branch pipes 131, the process waterway 1 further includes a branch pipe valve 16, the branch pipe valve 16 is disposed on the branch pipe 131 and between the process water pump 12 and the first connection point, the branch pipe valve 16 is used for controlling the on-off of the branch pipes 131, when one of the branch pipes 131 is abnormal, the branch pipe valve 16 on the branch pipe 131 can be closed in time, so that the loss is reduced, and the process water can be timely switched into the demister waterway 2 to perform process water replenishment on the premise that the other branch pipe 131 is not affected, thereby ensuring the normal operation of the absorption tower 5.
As shown in fig. 3, in order to reduce the loss caused by the abnormality of the demister water tank 21, the demister water channel 2 further includes a demister water tank valve 24, the demister water tank valve 24 is disposed on the second pipeline 23 and located between the demister water tank 21 and the demister water pump 22, the demister water tank valve 24 is used for controlling the on-off of the second pipeline 23 between the demister water tank 21 and the demister water pump 22, when the demister water tank 21 is abnormal, the demister water tank valve 24 can be timely closed, so that the loss is reduced, and the demister water supplementing is timely switched to the process water channel 1 to ensure the normal operation of the absorption tower 5.
As shown in fig. 3, in order to reduce the loss caused by the abnormality of the demister water pump 22, the demister water channel 2 further includes a demister water pump valve 25, the demister water pump valve 25 is disposed on the second pipeline 23 and located between the demister water pump 22 and the second communication point, the demister water pump valve 25 is used for controlling the on-off of the second pipeline 23 between the demister water pump 22 and the second communication point, when the demister water pump 22 is abnormal, the demister water pump valve 25 can be timely closed, so that the loss is reduced, and the demister water supplementing is timely performed by switching to the process water channel 1, so that the normal operation of the absorption tower 5 is ensured.
As shown in fig. 3, in order to reduce the loss caused by the abnormality of the second pipeline 23, the demister waterway 2 further includes a demister valve 26, where the demister valve 26 is disposed on the second pipeline 23 and between the demister and the second communication point, and is used for controlling the on-off of the second pipeline 23 between the second pipeline 23 and the demister, when the abnormality occurs in the second pipeline 23, the demister valve 26 can be closed timely, so as to reduce the loss, and the demister water is timely supplied to the process waterway 1 by switching the process waterway 1, so that the normal operation of the absorption tower 5 is ensured.
Preferably, in order to facilitate control of the connection valve 4, the utility model further comprises a control device (not shown in the drawing), the connection valve 4 is an electric valve, and the connection valve 4 is electrically connected with the control device, and the electric valve is remotely controlled by the control device, so that the mist eliminator waterway 2 and the process waterway 1 can be more rapidly controlled to switch, and the absorption tower 5 is ensured to normally operate.
The working process of the utility model is as follows:
1. when the process water tank 11 on the process water channel 1 is abnormal, the process water tank valve 14 is closed, the communication valve 4 is opened remotely through the control device, and the process water is timely switched to the demister water channel 2 for process water replenishing, so that the normal operation of the absorption tower 5 is ensured;
2. when the process water pump 12 on the process water channel 1 is abnormal, the process water pump valve 15 is closed, the communication valve 4 is opened remotely through the control device, and the process water is switched to the demister water channel 2 for process water replenishing, so that the normal operation of the absorption tower 5 is ensured;
3. when one branch pipe 131 on the process waterway 1 is abnormal, the branch pipe valve 16 on the branch pipe 131 is closed, the communication valve 4 is opened remotely through the control device, and the process waterway 2 is switched to process water replenishing in time, so that the normal operation of the absorption tower 5 is ensured;
4. when the demister water tank 21 on the demister waterway 2 is abnormal, the demister water tank valve 24 is closed, the communication valve 4 is opened remotely through the control device, and the process waterway 1 is switched to supplement water for the demister in time, so that the normal operation of the absorption tower 5 is ensured;
5. when the demister water pump 22 on the demister waterway 2 is abnormal, the demister water pump valve 25 is closed, the communication valve 4 is opened remotely through the control device, and the process waterway 1 is switched to supplement water for the demister in time, so that the normal operation of the absorption tower 5 is ensured;
6. when the second pipe on the demister waterway 2 is abnormal, the demister valve 26 is closed, the communication valve 4 is opened remotely through the control device, and the process waterway 1 is switched to supplement water to the demister in time, so that the normal operation of the absorption tower 5 is ensured.
In summary, the embodiment of the utility model provides a water supplementing system for an absorption tower 5, which is characterized in that a connecting pipe 3 is arranged between a process water channel 1 and a demister water channel 2, and a connecting valve 4 is further arranged on the connecting pipe 3, when a process water tank 11 on the process water channel 1 or a process water pump 12 is abnormal, the connecting valve 4 can be opened remotely by a control device, the process water supplementing system can be switched to the demister water channel 2 in time to carry out process water supplementing, the normal operation of the absorption tower 5 is ensured, and similarly, when the demister water channel 2 and a demister water pump 22 on the demister water channel 2 are abnormal, the water supplementing system can be switched to the demister to carry out water supplementing by the process water channel 1, so that the stability of the water supplementing system can be ensured, a standby water tank and a standby water pump are not needed to be added, and the system is simple in structure and convenient to use.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. An absorption tower water replenishing system, comprising: the absorption tower water replenishing units comprise a process waterway, two demister waterways, two connecting pipes, two connecting valves, two absorption towers and two demisters, wherein the two demisters are respectively arranged in the two absorption towers;
the process waterway comprises a process water tank, a process water pump and a first pipeline, wherein one end of the first pipeline is connected with the process water tank, two branch pipes extend out of the other end of the first pipeline, the two branch pipes are respectively connected to the two absorption towers, and the process water pump is arranged on the first pipeline and is positioned between the process water tank and the branch pipes;
the demister waterway comprises a demister water tank, a demister water pump and a second pipeline, wherein the two demister water tanks are respectively connected to the two demisters through the two second pipelines, and the demister water pump is arranged on the second pipelines;
the two branch pipes are connected with the two second pipelines through two connecting pipes respectively, wherein the connecting points of the connecting pipes and the branch pipes are first connecting points, the connecting points of the connecting pipes and the second pipelines are second connecting points, the second connecting points are positioned between the demister water pump and the demister, and the two connecting valves are respectively arranged on the two connecting pipes and used for controlling the on-off of the connecting pipes.
2. The absorber water replenishment system as set forth in claim 1 wherein said process water circuit further comprises a process water tank valve disposed on said first conduit and between said process water tank and said process water pump, said process water tank valve being for controlling the on-off of said first conduit between said process water tank and said process water pump.
3. The absorber water make-up system of claim 1, wherein said process waterway further comprises a process water pump valve disposed on said first conduit and between said process water pump and said manifold, said process water pump valve being adapted to control the on-off of said first conduit between said process water pump and said manifold.
4. The absorber water make-up system of claim 1, wherein said process waterway further comprises a manifold valve disposed on said manifold and between said process water pump and said first connection point, said manifold valve being adapted to control on-off of said manifold.
5. The absorber water make-up system of claim 1, wherein the mist eliminator water path further comprises a mist eliminator water tank valve disposed on the second conduit and located between the mist eliminator water tank and the mist eliminator water pump, the mist eliminator water tank valve being configured to control on-off of the second conduit between the mist eliminator water tank and the mist eliminator water pump.
6. The absorber water make-up system of claim 1, wherein the demister waterway further comprises a demister water pump valve disposed on the second conduit and between the demister water pump and the second communication point, the demister water pump valve being configured to control on-off of the second conduit between the demister water pump and the second communication point.
7. The absorber water make-up system of claim 1, wherein said demister waterway further comprises a demister valve disposed on said second conduit and between said demister and said second communication point for controlling on-off of said second conduit between said second conduit and said demister.
8. The absorber water make-up system of any of claims 1-7, further comprising a control device, wherein the communication valve is an electrically operated valve, and wherein the communication valve is electrically connected to the control device, and wherein the control device is configured to control opening and closing of the electrically operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223397296.4U CN219002555U (en) | 2022-12-15 | 2022-12-15 | Absorption tower moisturizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223397296.4U CN219002555U (en) | 2022-12-15 | 2022-12-15 | Absorption tower moisturizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219002555U true CN219002555U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223397296.4U Active CN219002555U (en) | 2022-12-15 | 2022-12-15 | Absorption tower moisturizing system |
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| Country | Link |
|---|---|
| CN (1) | CN219002555U (en) |
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- 2022-12-15 CN CN202223397296.4U patent/CN219002555U/en active Active
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