CN206008341U - Blast furnace desulfurization dust-removal system - Google Patents
Blast furnace desulfurization dust-removal system Download PDFInfo
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- CN206008341U CN206008341U CN201620956572.1U CN201620956572U CN206008341U CN 206008341 U CN206008341 U CN 206008341U CN 201620956572 U CN201620956572 U CN 201620956572U CN 206008341 U CN206008341 U CN 206008341U
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- deduster
- blast furnace
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Abstract
This application discloses a kind of blast furnace desulfurization dust-removal system, including the blast furnace for setting gradually, first deduster, surface-cooler, first air-introduced machine, dust pelletizing system, second air-introduced machine and the first chimney, the port of export of dust pelletizing system is also connected with desulfurization Tower System, the dust pelletizing system includes the second deduster being set up in parallel and the 3rd deduster, the entrance point of second deduster and the 3rd deduster is connected with the first air-introduced machine, the port of export of second deduster and the 3rd deduster is connected with the second air-introduced machine, the entrance point of second deduster and the 3rd deduster is respectively arranged with the first valve and the second valve.This novel dust removing system, by two dedusters being set up in parallel, when being easy to deduster wherein to carry out maintenance and change, can pass through another deduster holding work, it is to avoid the problem of the maintenance replacing that stops production.
Description
Technical field
The application belongs to fume treatment technical field, more particularly to a kind of desulfurization dust-removal system.
Background technology
Average annual 30.5 hundred million tons or so of China's raw coal output in recent years, 15.6 hundred million tons of generating raw coal, the firepower based on fire coal
Generated energy still accounts for more than the 80% of whole generated energy.For thermal power plant, heat loss due to exhaust gas is boiler various heat losses
One of middle maximum, typically 5%～8%, accounts for the 80% or higher of boiler Total heat loss.Affect heat loss due to exhaust gas main because
Element is exhaust gas temperature, and the exhaust gas temperature actual motion value of many station boilers of China is all higher than about 20～50 DEG C of design load,
130～150 DEG C are reached, exhaust gas temperature is greatly lowered and will be greatly enhanced the economy of station boiler.Send out through Practical Calculation
Existing：Exhaust gas temperature reduce by 35 DEG C or so, system powergenerationcycleefficiency improve more than 0.5%, often spend electricity save 1.5 grams of standard coals with
On, with obvious energy-saving and emission-reduction potentiality.
In traditional coal enterprise, steel enterprise and electricity power enterprise, it is low to there is dedusting, desulfuration efficiency in fume treatment, thermal waste etc.
Technical problem.
Utility model content
The purpose of this utility model is to provide a kind of blast furnace desulfurization dust-removal system, with overcome of the prior art not
Foot.
For achieving the above object, the utility model provides following technical scheme：
The embodiment of the present application discloses a kind of blast furnace desulfurization dust-removal system, including set gradually blast furnace, the first dedusting
Device, surface-cooler, the first air-introduced machine, dust pelletizing system, the second air-introduced machine and the first chimney, the port of export of dust pelletizing system also with de-
Sulphur Tower System connects, and the dust pelletizing system includes the second deduster being set up in parallel and the 3rd deduster, second deduster and
The entrance point of the 3rd deduster is connected with the first air-introduced machine, and the port of export of second deduster and the 3rd deduster draws with second
Blower fan is connected, and the entrance point of second deduster and the 3rd deduster is respectively arranged with the first valve and the second valve.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, first deduster is cyclone dust collectors；Second removes
Dirt device is sack cleaner；3rd deduster is air-box type pulsed jet cloth filter.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, arrange between the dust pelletizing system and the second air-introduced machine
There is the 3rd valve.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, the desulfurization Tower System includes the centrifugation for setting gradually
Blower fan, spray column, dynamic wave smoke-gas wet desulfurization tower, the 3rd air-introduced machine and the second chimney.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, it is provided between the dust pelletizing system and centrifugal blower
4th valve.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, the centrifugal blower is 500kW centrifugal high pressure fans.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, first deduster includes temperature sensor, bypass
Valve, Off-line valve and control device, enter the first deduster in flue-gas temperature be higher or lower than design temperature when, by control fill
The opening by-passing valve is put, Off-line valve is simultaneously closed off.
Preferably, in above-mentioned blast furnace desulfurization dust-removal system, it is provided between the blast furnace and the first deduster
Heat recovery heat exchanger.
Compared with prior art, the utility model has the advantage of：After this novel blast furnace and sintering device flue gas are through process,
Operative's environmental condition can be improved；Reduce SO2Discharge, be conducive to environmental protection.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 show the principle schematic of desulfurization dust-removal system in the utility model specific embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole enforcement
Example.Embodiment in based on the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
In conjunction with shown in Fig. 1, desulfurization dust-removal system, including blast furnace desulfurization dust-removal system and sintering machine desulfuration dust pelletizing system.
Blast furnace 1 that blast furnace desulfurization dust-removal system includes setting gradually, the first deduster 2, surface-cooler 10, first
Air-introduced machine 3, dust pelletizing system, the second air-introduced machine 4 and the first chimney 5, the port of export of dust pelletizing system are also connected with desulfurization Tower System.
Dust pelletizing system includes the first deduster 6 being set up in parallel and the 3rd deduster 7, and first deduster 6 and the 3rd is removed
The entrance point of dirt device 7 is connected with the first air-introduced machine 3, the port of export and the second air inducing of first deduster 6 and the 3rd deduster 7
Machine 4 is connected, and the entrance point of first deduster 6 and the 3rd deduster 7 is respectively arranged with the first valve 8 and the second valve 9.
In the technical scheme, by two dedusters being set up in parallel, it is easy to a deduster wherein to be keeped in repair more
When changing, another deduster holding work can be passed through, it is to avoid the problem that the maintenance that stops production is changed.
Preferably, the first deduster 2 is cyclone dust collectors；First deduster 6 is sack cleaner；3rd deduster 7 is
Air-box type pulsed jet cloth filter.
Further, the 3rd valve 11 is provided between dust pelletizing system and the second air-introduced machine 4.
Further, desulfurization Tower System includes that the centrifugal blower 12 for setting gradually, spray column 13, dynamic wave flue gas wet method take off
Sulphur tower 14, the 3rd air-introduced machine 15 and the second chimney 16.
Further, the 4th valve 17 is provided between dust pelletizing system and centrifugal blower 12.
Preferably, centrifugal blower is 500kW centrifugal high pressure fans.
Further, the first deduster 2 includes temperature sensor, by-passing valve, Off-line valve and control device, is entering first
When flue-gas temperature is higher or lower than design temperature in deduster 2, the by-passing valve is opened by control device, simultaneously closed off offline
Valve.
Further, heat recovery heat exchanger is provided between blast furnace and the first deduster 2.
In the technical scheme, heat recovery heat exchanger is also lowered into deduster while fume afterheat is recycled
Actual exhaust gas volumn and reduce flue-gas temperature, improve the efficiency of dust collection and SO of deduster3Removal efficiency.
Sintering machine desulfuration dust pelletizing system includes sintering machine 18, cyclone dust collectors 19 and the bagroom 20 for setting gradually,
The bagroom 20 is connected to the desulfurization Tower System.
In the technical scheme, sintering machine desulfuration dust pelletizing system and blast furnace desulfurization dust-removal system share same desulfurizing tower system
System, low cost, reasonable utilization space.
Further, the first valve, the second valve, the 3rd valve and the 4th valve are electric butterfly valve.
In the technical scheme, due to the controllability of valve, so that it may ensure that system can be adjusted according to the fluctuation of flue gas, it is to avoid
There is the phenomenon of pressure imbalance.
Further, vibration isolation is installed between the first blower fan, the second blower fan, extension set the 3rd and centrifugal blower and ground
Device.
In the technical scheme, vibration of the fan vibration to basis and factory building can be mitigated by vibration isolator.
Further, cyclone dust collectors include temperature sensor, by-passing valve, Off-line valve and control device, are entering whirlwind
When flue-gas temperature is higher or lower than design temperature in deduster, the by-passing valve is opened by control device, simultaneously closed off offline
Valve.
Further, heat recovery heat exchanger is provided between sintering machine and cyclone dust collectors.
In the technical scheme, heat recovery heat exchanger is also lowered into deduster while fume afterheat is recycled
Actual exhaust gas volumn and reduce flue-gas temperature, improve the efficiency of dust collection and SO of deduster3Removal efficiency.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that a series of process, method, article or equipment including key elements not only includes that those will
Element, but also other key elements including being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the application principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of blast furnace desulfurization dust-removal system, it is characterised in that including set gradually blast furnace, the first deduster, surface
Cooler, the first air-introduced machine, dust pelletizing system, the second air-introduced machine and the first chimney, the port of export of dust pelletizing system also with desulfurizing tower system
System connection, the dust pelletizing system include the second deduster being set up in parallel and the 3rd deduster, and second deduster and the 3rd is removed
The entrance point of dirt device is connected with the first air-introduced machine, and the port of export and the second air-introduced machine of second deduster and the 3rd deduster connect
Logical, the entrance point of second deduster and the 3rd deduster is respectively arranged with the first valve and the second valve.
2. blast furnace desulfurization dust-removal system according to claim 1, it is characterised in that：First deduster is removed for whirlwind
Dirt device；Second deduster is sack cleaner；3rd deduster is air-box type pulsed jet cloth filter.
3. blast furnace desulfurization dust-removal system according to claim 1, it is characterised in that：The dust pelletizing system and the second air inducing
The 3rd valve is provided between machine.
4. blast furnace desulfurization dust-removal system according to claim 1, it is characterised in that：The desulfurization Tower System is included successively
The centrifugal blower of setting, spray column, dynamic wave smoke-gas wet desulfurization tower, the 3rd air-introduced machine and the second chimney.
5. blast furnace desulfurization dust-removal system according to claim 4, it is characterised in that：The dust pelletizing system and centrifugal blower
Between be provided with the 4th valve.
6. blast furnace desulfurization dust-removal system according to claim 4, it is characterised in that：The centrifugal blower is that 500kW is high
Pressure centrifugal blower.
7. blast furnace desulfurization dust-removal system according to claim 1, it is characterised in that：First deduster includes temperature
Sensor, by-passing valve, Off-line valve and control device, are higher or lower than design temperature flue-gas temperature in the first deduster is entered
When, the by-passing valve is opened by control device, Off-line valve is simultaneously closed off.
8. blast furnace desulfurization dust-removal system according to claim 1, it is characterised in that：The blast furnace and the first deduster
Between be provided with heat recovery heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956572.1U CN206008341U (en) | 2016-08-26 | 2016-08-26 | Blast furnace desulfurization dust-removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956572.1U CN206008341U (en) | 2016-08-26 | 2016-08-26 | Blast furnace desulfurization dust-removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206008341U true CN206008341U (en) | 2017-03-15 |
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ID=58252290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620956572.1U Active CN206008341U (en) | 2016-08-26 | 2016-08-26 | Blast furnace desulfurization dust-removal system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896287A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on biswitch |
| CN109896310A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on double dust collection unit |
-
2016
- 2016-08-26 CN CN201620956572.1U patent/CN206008341U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896287A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on biswitch |
| CN109896310A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on double dust collection unit |
| CN109896287B (en) * | 2017-12-08 | 2021-06-15 | 株洲天桥起重机股份有限公司 | High-temperature material conveying, unloading and dedusting method based on double switches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215600 No.205, Southeast Avenue, Zhangjiagang Economic Development Zone (yangshe town), Suzhou City, Jiangsu Province Patentee after: Willy (Suzhou) Energy Technology Co.,Ltd. Address before: 215000 foreign student entrepreneurship Park, Zhangjiagang Economic Development Zone, Suzhou, Jiangsu Patentee before: SUZHOU HANFENG TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |