CN205815450U - A kind of device for steam power plant's sodium alkali desulfurization - Google Patents
A kind of device for steam power plant's sodium alkali desulfurization Download PDFInfo
- Publication number
- CN205815450U CN205815450U CN201620486552.2U CN201620486552U CN205815450U CN 205815450 U CN205815450 U CN 205815450U CN 201620486552 U CN201620486552 U CN 201620486552U CN 205815450 U CN205815450 U CN 205815450U
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- CN
- China
- Prior art keywords
- absorption tower
- air flue
- connecting line
- service sink
- circulatory pool
- 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
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Abstract
The utility model discloses a kind of device for steam power plant's sodium alkali desulfurization, belong to plant design field.Device for steam power plant's sodium alkali desulfurization of the present utility model includes absorption tower, service sink, circulatory pool, chimney, air flue and connecting line；Wherein absorption tower is positioned at directly over circulatory pool, below circulatory pool liquid level is stretched into bottom absorption tower, spray equipment it is provided with in absorption tower, spray equipment is connected by connecting line with circulatory pool, water pump it is provided with on connecting line, it is provided with ventilative sponge at the offgas outlet of top, absorption tower, it is connected by air flue between absorption tower with boiler and service sink, service sink is a sealing pond, its air inlet air flue gos deep into below liquid level, it is connected with top, absorption tower, air flue of giving vent to anger is positioned at service sink top, it is connected with chimney, service sink is connected with circulatory pool by two connecting lines, wherein the inlet pipeline of service sink is provided with water pump, solve the problem that the vaporific NaOH solution carried secretly in tail gas in steam power plant's tail gas sodium alkali sweetening process causes atmospheric pollution.
Description
Technical field:
This utility model relates to a kind of device for steam power plant's sodium alkali desulfurization, belongs to plant design field.
Background technology:
In Thermal Power Enterprises production process, owing to fire coal belongs to mineral fuel, containing a certain amount of sulfur in combustion tail gas
Oxygen compound, predominantly SO2, oxysulfide can not be directly discharged in air, needs to carry out in advance to process and up to standard can discharge.
The main method that tail gas carries out in steam power plant desulfurization at present is that sodium alkali takes off, and uses strong basicity NaOH solution in tail gas
Oxygen sulfur compound absorb, this process is generally carried out in absorption tower, by NaOH solution be atomized, be allowed to connect with tail gas
Touch, reach to absorb the purpose of oxygen sulfur compound.But in traditional way, tail gas goes out absorption tower after absorbing and is directly entered cigarette
Chimney enters air, and in this process, vaporific NaOH solution major part enters air as well as tail gas, and alkaline NaOH is molten
Liquid mist can bring even more serious pollution to air.
Accordingly, it would be desirable to a kind of sodium alkali desulfurizer being possible to prevent vaporific NaOH to enter air.
Utility model content:
In order to solve the problems referred to above, this utility model provides a kind of device for steam power plant's sodium alkali desulfurization.
The described device for steam power plant's sodium alkali desulfurization, including absorption tower, service sink, circulatory pool, chimney, air flue and company
Adapter road；Air flue has 3, the respectively first air flue, the second air flue, the 3rd air flue；Connecting line has 3, and respectively first even
Adapter road, the second connecting line, the 3rd connecting line.
Wherein absorption tower is positioned at directly over circulatory pool, stretches into below circulatory pool liquid level bottom absorption tower；Arrange in absorption tower
There are spray equipment, spray equipment to be connected by the first connecting line with circulatory pool, the first connecting line is provided with the first water pump；Pot
Stove is connected by the first air flue with absorption tower, is connected by the second air flue between top and the service sink on absorption tower；Service sink is one close
Feng Chi, below the liquid level of service sink is goed deep in the outlet of the second air flue；Service sink top is provided with gas outlet, and gas outlet is by the
Three air flues are connected with chimney；Service sink is connected with circulatory pool respectively by the second connecting line and the 3rd connecting line, Qi Zhong
The second water pump it is provided with on three connecting lines.
In a kind of embodiment of the present utility model, described ventilative sponge is polyurethane sponge.
In a kind of embodiment of the present utility model, in described circulatory pool, it is provided with overanxious net.
The beneficial effects of the utility model:
(1) boiler combustion tail gas is after the desulfurization of absorption tower, now carries substantial amounts of vaporific NaOH solution, absorption tower in tail gas secretly
Breathe freely the vaporific NaOH solution that sponge can absorb in partial tail gas in top, after tail gas goes out absorption tower, then after cleaned pond is cleaned, and can
Remove vaporific NaOH solution therein completely, it is to avoid NaOH solution enters air, pollutes；
(2), during the work of absorption tower, the NaOH solution major part of spray converges at bottom absorption tower in tower, discharge from bottom into
Entering circulatory pool, in circulatory pool, liquid is pumped into spray equipment by water pump again, but a certain amount of solid owing to containing in boiler combustion tail gas
Body granule, granule enters circulatory pool after spray, then pumps into spray equipment and can cause the blocking of spray equipment, therefore, in circulation
Drainage screen is set in pond, spray equipment dry point is separated with absorption tower drainage position, it is to avoid solid particle enters spray equipment.
Accompanying drawing illustrates:
Fig. 1: a kind of apparatus structure schematic diagram for steam power plant's sodium alkali desulfurization of the present utility model；Wherein, 1 absorbs
Tower, 2 service sinks, 3 circulatory pools, 4 spray equipments, 5 first air flues, 6 first connecting lines, 7 first water pumps, 8 chimneys, 9 drainage screens,
10 boilers, 11 second air flues, 12 the 3rd air flues, 13 second connecting lines, 14 the 3rd connecting lines, 15 second water pumps, 16 breathe freely
Sponge.
Detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, this utility model is further elaborated.
Embodiment 1
As it is shown in figure 1, a kind of device for steam power plant's sodium alkali desulfurization described in the utility model, including absorption tower 1,
Service sink 2, circulatory pool 3, chimney 8, air flue and connecting line；Air flue has 3, respectively first air flue the 5, second air flue 11,
Three air flues 12；Connecting line has 3, respectively first connecting line the 6, second connecting line the 13, the 3rd connecting line 14.
Wherein absorption tower 1 is positioned at directly over circulatory pool 3, stretches into below circulatory pool 3 liquid level, in absorption tower 1 bottom absorption tower 1
Being provided with spray equipment 4, spray equipment 4 is connected by the first connecting line 6 with circulatory pool 3, and the first connecting line 6 is provided with
One water pump 7；It is provided with ventilative sponge 16 at the offgas outlet of top, absorption tower 1；
Boiler 10 is connected by the first air flue 5 with absorption tower 1, by the second air flue 11 between top and the service sink 2 on absorption tower 1
Connect；Service sink 2 is a sealing pond, and below the liquid level of service sink 2 is goed deep in the outlet of the second air flue 11；Service sink 2 top is provided with
Gas outlet, gas outlet is connected with chimney 8 by the 3rd air flue 12；Service sink 2 is connected by the second connecting line 13 and the 3rd
Pipeline 14 is connected with circulatory pool 3, constitutes water circulation, is wherein provided with the second water pump 15 on the 3rd connecting line 14.
Described ventilative sponge 16 is polyurethane sponge.
Overanxious net 9 it is provided with in described circulatory pool 3.
Operationally, boiler combustion tail gas, after the desulfurization of absorption tower, now carries substantial amounts of vaporific NaOH solution secretly in tail gas,
Breathing freely the vaporific NaOH solution that sponge can absorb in partial tail gas in top, absorption tower, after tail gas goes out absorption tower, more cleaned pond is clear
After washing, it is completely removed vaporific NaOH solution therein, it is to avoid NaOH solution enters air, pollutes；Spray in tower
NaOH solution major part converges at bottom absorption tower, is discharged into circulatory pool from bottom, and in circulatory pool, liquid is pumped into by water pump again
Spray equipment, but owing to containing a certain amount of solid particle in boiler combustion tail gas, granule enters circulatory pool, then pump after spray
Enter spray equipment and can cause the blocking of spray equipment, therefore, drainage screen is set in circulatory pool, by spray equipment dry point and suction
Receive tower drainage position to separate, it is to avoid solid particle enters spray equipment.
This utility model effectively solves in steam power plant's tail gas sodium alkali sweetening process, the vaporific NaOH solution carried secretly in tail gas
The problem causing atmospheric pollution.
Although this utility model is open as above with preferred embodiment, but it is not limited to this utility model, any
Person skilled in the art, without departing from spirit and scope of the present utility model, can do various changes and modification, therefore originally
The protection domain of utility model should be with being as the criterion that claims are defined.
Claims (2)
1. the device for steam power plant's sodium alkali desulfurization, it is characterised in that the described dress for steam power plant's sodium alkali desulfurization
Put and include absorption tower, service sink, circulatory pool, chimney, air flue and connecting line；Air flue has 3, the respectively first air flue, second
Air flue, the 3rd air flue；Connecting line has 3, the respectively first connecting line, the second connecting line, the 3rd connecting line；
Wherein absorption tower is positioned at directly over circulatory pool, stretches into below circulatory pool liquid level bottom absorption tower；Spray it is provided with in absorption tower
Shower device, spray equipment is connected by the first connecting line with circulatory pool, and the first connecting line is provided with the first water pump；Boiler with
Absorption tower is connected by the first air flue, is connected by the second air flue between top and the service sink on absorption tower；Service sink is a sealing pond,
The outlet of the second air flue is below the liquid level of service sink；Service sink top is provided with gas outlet, and gas outlet passes through the 3rd air flue
It is connected with chimney；Service sink is connected with circulatory pool respectively by the second connecting line and the 3rd connecting line, and wherein the 3rd connects
The second water pump it is provided with on pipeline；
Being provided with ventilative sponge at the offgas outlet of top, absorption tower, described ventilative sponge is polyurethane sponge.
A kind of device for steam power plant's sodium alkali desulfurization the most according to claim 1, it is characterised in that described circulatory pool
Inside it is provided with overanxious net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486552.2U CN205815450U (en) | 2016-05-25 | 2016-05-25 | A kind of device for steam power plant's sodium alkali desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486552.2U CN205815450U (en) | 2016-05-25 | 2016-05-25 | A kind of device for steam power plant's sodium alkali desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205815450U true CN205815450U (en) | 2016-12-21 |
Family
ID=57557953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486552.2U Expired - Fee Related CN205815450U (en) | 2016-05-25 | 2016-05-25 | A kind of device for steam power plant's sodium alkali desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205815450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499293A (en) * | 2018-04-26 | 2018-09-07 | 芜湖鸣人热能设备有限公司 | A kind of boiler dust removal device |
-
2016
- 2016-05-25 CN CN201620486552.2U patent/CN205815450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499293A (en) * | 2018-04-26 | 2018-09-07 | 芜湖鸣人热能设备有限公司 | A kind of boiler dust removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |