CN208032310U - A kind of anti-ash system of semi-dry desulphurization - Google Patents
A kind of anti-ash system of semi-dry desulphurization Download PDFInfo
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- CN208032310U CN208032310U CN201820309755.3U CN201820309755U CN208032310U CN 208032310 U CN208032310 U CN 208032310U CN 201820309755 U CN201820309755 U CN 201820309755U CN 208032310 U CN208032310 U CN 208032310U
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- ash
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- dry desulphurization
- duster
- desulfurizing agent
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Abstract
The utility model is related to a kind of anti-ash system of semi-dry desulphurization, desulfurizing agent enters that material pond is connected with the entrance of pre-duster, the outlet of pre-duster is connected with the entrance of desulfurizing agent delivery device, the outlet of desulfurizing agent delivery device is connected with semi-dry desulphurization absorption tower lower part；Semi-dry desulphurization absorption tower top is connected with the entrance of bag filter, bottom is connected with the entrance of ash cellar, and the outlet of bag filter is connected with the entrance of circulating ash conveying device, and the outlet of circulating ash conveying device is connected to the lower part on semi-dry desulphurization absorption tower；Ash cellar is pumped by storehouse with desulfurizing agent delivery device and is connected.The consumption of the technical solution of the utility model reactant is small, operating cost is low, by the way that ash cellar is directly arranged in semi-dry desulphurization absorb the bottom of the tower and returns flying dust inside semi-dry desulphurization absorption tower to realize the consumption for recycling and reducing reactant of resource, the ash finally generated directly outward transport, it can be recycled in former on-site, for making cement, laying road surface etc..
Description
Technical field
The utility model is related to flue gases purification fields, and in particular to a kind of anti-ash system of semi-dry desulphurization.
Background technology
Flue gas desulfurization refer to remove industrial waste gas in oxysulfide, common fume desulphurization method be divided into wet processing,
Dry process and semidry process.At present both at home and abroad the flue-gas dust-removing and desulfurization generally use desulfurizing tower in dry method, semidry process,
Dust-removal and desulfurizing operation is completed after the connection of the equipment such as the cyclone dust removal of flue gas conditioning combined type and combined type Venturi tube, semi-dry process is
A kind of succinct, Low investment, high performance desulphurization system, floor space is small, provides easy access to.Semi-dry desulfurizing process refers to desulfurizing agent
It is added with hygrometric state, evaporates the moisture in slurries using obvious heat of smoke.In the drying process, desulfurizing agent and the sulfur dioxide in flue gas
It reacts, generates the product of dry powder-shaped.At present the desulfurizing agent of semi-dry desulphurization with enter absorption tower flue gas hybrid reaction simultaneously
It is dried, the flying dust of generation a part of (5-15%) enters the heavy knot in absorption tower in its bottom, remaining to take absorption tower out of by flue gas
Into fiber bag precipitator, by dedusting, suspended particulate substance is removed, and flue gas is then drawn it from deduster by air-introduced machine
Direct emission afterwards.Current exhaust system directly transports outward fly ash emission, does not meet resource circulation utilization principle.
The Chinese utility model patent that Authorization Notice No. is CN206027423U discloses a kind of semi-dry desulphurization and centrifugation
Bag-type dusting Integration Equipment, including semi-dry desulphurization equipment, the cleaner being connected with semi-dry desulphurization equipment, dedusting are set
Standby includes dust collector box body, the centrifugal dust-removing area being arranged in dust collector box body, the bag-type dusting being connected with centrifugal dust-removing area
Area, the cycle revert system being connected between bag-type dusting area and semi-dry desulphurization equipment, the entrance in centrifugal dust-removing area with it is half-dried
The outlet of method desulphurization plant is connected, and the outlet in bag-type dusting area connects net gas outlet.Above-mentioned utility model is by semi-dry desulphurization
Equipment, cleaner integrated setting carry out the separation of flyash and Desulphurization successively, and flyash returns to boiler cycle, with drop
Low calcium-sulphur ratio；Entire equipment configuration is compact, and small, applicable situation is more extensive.But above-mentioned technical proposal is simultaneously unresolved existing
The problem of desulfurization and dedusting by-product is not utilized effectively in technology.
Utility model content
The purpose of this utility model is to provide a kind of reactants to consume the anti-ash system of semi-dry desulphurization small, that operating cost is low
System, by semi-dry desulphurization absorb the bottom of the tower ash cellar directly be set and flying dust is returned inside semi-dry desulphurization absorption tower thus
Realize the consumption for recycling and reducing reactant of resource.
To achieve the above object, the utility model discloses following technical solutions：
A kind of anti-ash system of semi-dry desulphurization, including absorption tower system, dust pelletizing system, ash-transmission system further include anti-ash system
System, the anti-ash system include ash cellar and storehouse pump；
The absorption tower system includes that desulfurizing agent enters material pond, semi-dry desulphurization absorption tower, and dust pelletizing system includes pre-duster
And bag filter, the ash-transmission system include desulfurizing agent delivery device and circulating ash conveying device；
The desulfurizing agent enter material pond be connected with the entrance of pre-duster, the outlet of pre-duster and desulfurizing agent delivery device
Entrance is connected, the outlet of desulfurizing agent delivery device is connected with semi-dry desulphurization absorption tower lower part；The semi-dry desulphurization absorption tower
Top is connected with the entrance of bag filter, bottom is connected with the entrance of ash cellar, the outlet of the bag filter and circulating ash
The entrance of conveying device is connected, and the outlet of circulating ash conveying device is connected to the lower part on semi-dry desulphurization absorption tower；The ash cellar
It is pumped and is connected by storehouse with desulfurizing agent delivery device；
Further, it is provided with triplate line between semi-dry desulphurization absorb the bottom of the tower and ash cellar；
Further, the triplate line is also connect with boiler smoke pipeline；
Further, the ash cellar bottom is provided with useless grey conveying device；
Further, the bag filter is also connect by air-introduced machine with chimney；
Further, the circulating ash conveying device is air flume or auger；
Further, the desulfurizing agent delivery device is air flume or auger；
Further, it is provided with soot blower in the ash cellar；
Further, the pre-duster includes a pre-duster and secondary pre-duster；
Further, a pre-duster and secondary pre-duster common pall are connect with material pond air pump is entered, institute
It states pre-duster and enters material pond with desulfurizing agent, enter material pond air pump and enter material pond with desulfurizing agent to connect.
The utility model has the following advantages that：
1) consumption for reducing reactant, reduces operating cost；
2) reduce secondary pollution；
3) transport is reduced, the energy is saved；
4) resource circulation utilization is realized.
The technical solution of the utility model is simple and practical, simple in structure, reactant consumption it is small, operating cost is low, by
Semi-dry desulphurization absorb the bottom of the tower is directly arranged ash cellar and returns flying dust inside semi-dry desulphurization absorption tower to realize resource
The consumption for recycling and reducing reactant, the ash that deduster bottom and desulfurization tower bottom finally generate directly outward transport can
To be recycled in former on-site, for making cement, laying road surface etc..
Description of the drawings
Fig. 1 is the overall structure diagram of the anti-ash system of semi-dry desulphurization of the utility model.
Specific implementation mode
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of anti-ash system of semi-dry desulphurization, desulfurizing agent enter the entrance phase of material pond 1 and a pre-duster 2
Connect, the outlet of a pre-duster 2 is connected with the entrance of secondary pre-duster 3, the outlet of secondary pre-duster 3 and desulfurizing agent are defeated
Send that the entrance of device 4 is connected, the outlet of desulfurizing agent delivery device 4 is connected with 5 lower part of semi-dry desulphurization absorption tower；The semidry method
5 top of desulfuration absorbing tower is connected with the entrance of bag filter 6, bottom is connected by triplate line 7 with the entrance of ash cellar 8, institute
The outlet for stating bag filter 6 is connected by circulating ash deduster 9 with the entrance of circulating ash conveying device 10, circulating ash conveying dress
The outlet for setting 10 is connected to the lower part on semi-dry desulphurization absorption tower 5；The ash cellar 8 pumps 11 with desulfurizing agent delivery device 4 by storehouse
It connects, soot blower is provided in ash cellar, ash cellar bottom is provided with useless grey conveying device；The triplate line 7 is gone back and boiler smoke
Pipeline 12 connects；Bag filter 6 is connect by air-introduced machine 13 with chimney 14；Circulating ash conveying device 10 is filled with desulfurizing agent conveying
It is air flume to set 4；Pre-duster 2 and 3 common pall of secondary pre-duster are connect with material pond air pump 15 is entered,
Pre-duster 2 and desulfurizing agent enter material pond 1 and connect, enter material pond air pump 15 and enter material pond 1 with desulfurizing agent to connect.Storehouse pump 11
It is connect by triple valve 16 with desulfurizing agent delivery device 4, technique water lines 17 are connected to the lower part of semi-dry desulphurization tower 5；Cycle
Grey deduster 9 is connected with the pipeline of intermediate bin 18, intermediate bin air pump 19, and is connect with grey library 20.
Desulfurizing agent enters material pond, a pre-duster, secondary pre-duster through desulfurizing agent and enters semi-dry desulphurization absorption tower
Boiler smoke hybrid reaction and dried, the flying dust of generation a part of (5-15%) enters the heavy knot in semi-dry desulphurization absorption tower and exists
Its bottom, remaining to take semi-dry desulphurization absorption tower out of by flue gas and enter bag filter, by dedusting, suspended particulate substance is gone
Remove, and flue gas then by air-introduced machine by it after deduster extraction from chimney direct emission；The part that bag filter is collected is solid
Body substance is sent to air flume and recycles, this contribute to reduce reactant consumption, remaining through circulating ash deduster, in
Between storehouse be transported to grey library outward transport processing；Semi-dry desulphurization absorption tower lower disposed ash cellar pumps connecting line by flying dust using storehouse
It returns inside desulfurizing tower, realizes resource circulation utilization, reduce the consumption of reactant.
Embodiment 2
A kind of anti-ash system of semi-dry desulphurization, desulfurizing agent enter material pond and are connected with the entrance of a pre-duster, once remove in advance
The outlet of dirt device is connected with the entrance of secondary pre-duster, the entrance phase of the outlet of secondary pre-duster and desulfurizing agent delivery device
Even, the outlet of desulfurizing agent delivery device is connected with semi-dry desulphurization absorption tower lower part；Semi-dry desulphurization absorption tower top with
The entrance of bag filter is connected, bottom is connected by triplate line with the entrance of ash cellar, and the outlet of the bag filter is logical
It crosses circulating ash deduster with the entrance of circulating ash conveying device to be connected, the outlet of circulating ash conveying device is connected to semi-dry desulphurization
The lower part on absorption tower；The ash cellar is pumped by storehouse with desulfurizing agent delivery device and is connected, and soot blower, ash cellar bottom are provided in ash cellar
It is provided with useless grey conveying device；The triplate line 7 is also connect with boiler smoke pipeline；Bag filter passes through air-introduced machine and cigarette
Chimney connects；Circulating ash conveying device and desulfurizing agent delivery device are auger；Pre-duster and secondary pre-duster
Common pall is connect with material pond air pump is entered, a pre-duster and desulfurizing agent enter material pond connect, enter material pond air pump with
Desulfurizing agent enters material pond connection.Storehouse pump is connect with desulfurizing agent delivery device by triple valve, and process water piping connection is de- in semidry method
The lower part of sulphur tower is provided with flowmeter and technique penstock in technique water lines, can be according to being set to semi-dry desulphurization absorption tower
The control technique penstock that feds back through of interior humidity sensor and temperature inductor sprays work into semi-dry desulphurization absorption tower
Skill water is with the temperature and humidity of flue gas in adjusting tower；Circulating ash deduster is connected with the pipeline of intermediate bin, intermediate bin air pump, and
It is connect with grey library.
Desulfurizing agent enters material pond, a pre-duster, secondary pre-duster through desulfurizing agent and enters semi-dry desulphurization absorption tower
Boiler smoke hybrid reaction and dried, the flying dust of generation a part of (5-15%) enters the heavy knot in semi-dry desulphurization absorption tower and exists
Its bottom, remaining to take semi-dry desulphurization absorption tower out of by flue gas and enter bag filter, by dedusting, suspended particulate substance is gone
Remove, and flue gas then by air-introduced machine by it after deduster extraction from chimney direct emission；The part that bag filter is collected is solid
Body substance is sent to auger and recycles, this contributes to the consumption for reducing reactant, remaining is through circulating ash deduster, intermediate bin
It is transported to grey library outward transport processing；Semi-dry desulphurization absorption tower lower disposed ash cellar is returned flying dust using storehouse pump connecting line
Inside desulfurizing tower, realizes resource circulation utilization, reduce the consumption of reactant.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of anti-ash system of semi-dry desulphurization, including absorption tower system, dust pelletizing system, ash-transmission system, which is characterized in that also wrap
Anti- ash system is included, the anti-ash system includes ash cellar and storehouse pump；
The absorption tower system includes that desulfurizing agent enters material pond, semi-dry desulphurization absorption tower, and dust pelletizing system includes pre-duster and cloth
Bag dust collector, the ash-transmission system include desulfurizing agent delivery device and circulating ash conveying device；
The desulfurizing agent enter material pond be connected with the entrance of pre-duster, the entrance of the outlet of pre-duster and desulfurizing agent delivery device
It is connected, the outlet of desulfurizing agent delivery device is connected with semi-dry desulphurization absorption tower lower part；Semi-dry desulphurization absorption tower top
It is connected with the entrance of bag filter, bottom is connected with the entrance of ash cellar, outlet and the circulating ash conveying of the bag filter
The entrance of device is connected, and the outlet of circulating ash conveying device is connected to the lower part on semi-dry desulphurization absorption tower；The ash cellar with it is de-
Sulphur agent conveying device is pumped by storehouse and is connected.
2. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that semi-dry desulphurization absorb the bottom of the tower
Triplate line is provided between ash cellar.
3. a kind of anti-ash system of semi-dry desulphurization as claimed in claim 2, which is characterized in that the triplate line also with boiler
Flue gas pipeline connects.
4. a kind of anti-ash system of semi-dry desulphurization as claimed in claim 3, which is characterized in that the ash cellar bottom is provided with useless
Grey conveying device.
5. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that the bag filter also passes through
Air-introduced machine is connect with chimney.
6. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that the circulating ash conveying device is
Air flume or auger.
7. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that the desulfurizing agent delivery device is
Air flume or auger.
8. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that be provided with soot blowing in the ash cellar
Device.
9. a kind of anti-ash system of semi-dry desulphurization as described in claim 1, which is characterized in that the pre-duster includes primary
Pre-duster and secondary pre-duster.
10. a kind of anti-ash system of semi-dry desulphurization as claimed in claim 9, which is characterized in that a pre-duster and
Secondary pre-duster common pall is connect with material pond air pump is entered, and a pre-duster enters material pond with desulfurizing agent, enters material pond
Air pump enters material pond with desulfurizing agent and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309755.3U CN208032310U (en) | 2018-03-06 | 2018-03-06 | A kind of anti-ash system of semi-dry desulphurization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309755.3U CN208032310U (en) | 2018-03-06 | 2018-03-06 | A kind of anti-ash system of semi-dry desulphurization |
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| CN208032310U true CN208032310U (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745840A (en) * | 2019-01-30 | 2019-05-14 | 浙江大维高新技术股份有限公司 | The processing unit and method of blast furnace gas burning flue gas |
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2018
- 2018-03-06 CN CN201820309755.3U patent/CN208032310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745840A (en) * | 2019-01-30 | 2019-05-14 | 浙江大维高新技术股份有限公司 | The processing unit and method of blast furnace gas burning flue gas |
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