CN209548944U - A kind of flue gas purification system - Google Patents
A kind of flue gas purification system Download PDFInfo
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- CN209548944U CN209548944U CN201822049806.6U CN201822049806U CN209548944U CN 209548944 U CN209548944 U CN 209548944U CN 201822049806 U CN201822049806 U CN 201822049806U CN 209548944 U CN209548944 U CN 209548944U
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- flue gas
- material spray
- pipeline
- spray pipeline
- gas purification
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Abstract
The utility model discloses a kind of flue gas purification systems, it is related to boiler flue gas purification technology, it includes lime warehouse and material spray pipeline, feed pipe is provided with and communicated in the middle part of the material spray pipeline, the feed pipe is provided with far from one end of material spray pipeline for the conveying device for feed pipe conveying, material spray pipeline one end is provided with roots blower and it is connected to the puff prot of roots blower, and the one end of the material spray pipeline far from roots blower is connected to the flue of bag filter air inlet side.The utility model provides and can be realized the operation of the purification to flue gas, guarantees flue gas itself temperature reduces a kind of flue gas purification system that flue-gas temperature the case where crossing low corrosion bag filter occurs and enable to the sour gas in flue gas up to standard.
Description
Technical field
The utility model relates to boiler flue gas purification technologies, more particularly, to a kind of flue gas purification system.
Background technique
Currently, the deacidifying process of reaction tower flue gas purification system mostly uses greatly semidry method, i.e., lime is sprayed in reaction tower
Slurry is mixed with flue gas, and sloughs the sour gas in flue gas.However, when boiler startup low load operation situation, boiler discharge
Flue-gas temperature it is lower, in order to prevent into bag filter flue-gas temperature it is too low bag filter is caused to corrode, work
The very little that personnel often adjust lime white flow, and the supply amount of lime white is smaller, it is easy to cause the sour gas in flue gas
Body index exceeding standard, there are places to be modified.
Utility model content
In view of the above technical problems, the utility model aim is to propose a kind of flue gas purification system, by conveying device
Lime in lime warehouse is delivered in material spray pipeline through feed pipe, and is shootd out lime to bag-type dust by roots blower
In the flue of device air inlet side, to realize the purification operation to flue gas, guarantee the temperature of flue gas itself, and then reduce flue gas temperature
The case where spending low corrosion bag filter generation, and make the sour gas in flue gas up to standard.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of flue gas purification system, including lime warehouse and material spray pipeline are provided with and communicated in the middle part of the material spray pipeline
Feed pipe, the feed pipe are provided with far from one end of material spray pipeline for the conveying device for feed pipe conveying, the material spray
Pipeline one end is provided with roots blower and it is connected to the puff prot of roots blower, the material spray pipeline far from roots blower one
End is connected to the flue of bag filter air inlet side.
By using above-mentioned technical proposal, in actual operation, staff can will be in warehouse by conveying device
Lime is delivered in material spray pipeline through feed pipe, and shoots out lime to the flue of bag filter upstream by roots blower
In, so that lime four scatters to come and be sufficiently mixed with flue gas in flue.In this way, the purification to flue gas is realized
Body operation guarantees the temperature of flue gas itself, and then reduces the case where flue-gas temperature crosses low corrosion bag filter generation, and make
Sour gas in flue gas is up to standard.
The utility model is further arranged to: the conveying device includes powder conveying pump, and the powder conveying pump goes out
Material mouth is connected to feed pipe far from one end of material spray pipeline, is connected on the downside of the feed inlet and lime warehouse of the powder conveying pump
It is logical.
By using above-mentioned technical proposal, is pumped by powder conveying and be delivered to lime in material spray pipeline through feed pipe, pole
Facilitate feeding operation of the staff to material spray pipeline, save trouble and labor greatly.
The utility model is further arranged to: the conveying device includes screw conveyor, and the screw conveyor goes out
Feeder pipe, the charging of discharge port and the powder conveying pump of the screw conveyor are provided with and communicated on the downside of material mouth and lime warehouse
Transfer expects pipe is provided with and communicated between mouthful.
By using above-mentioned technical proposal, powder conveying is pumped by screw conveyor and carries out feeding, on the one hand can be prolonged
Long powder conveying pumps the distance of opposite lime warehouse, realizes the feeding pumped to more remote powder conveying；On the other hand, spiral transferring
Send machine during conveying to lime, the conveying leaf on conveying axis can crush part lime block, reduce lime and exist
The case where blocking in transmission process, guarantee are normally carried out gas cleaning operation.
The utility model is further arranged to: the transfer expects pipe is provided with and communicated with buffering close to one end that powder conveying pumps
The downside in storehouse, surge bunker is connected to the feed inlet that powder conveying pumps.
By using above-mentioned technical proposal, the lime that screw conveyor is delivered to is held by surge bunker, reduces spiral transferring
Send machine feeding fast and powder conveying pump feeding is slow and the case where cause lime block in transfer pipeline, guarantee is net to flue gas
It is turned into being normally carried out for industry.
The utility model is further arranged to: being provided with hand operated gate valve on the feeder pipe.
By using above-mentioned technical proposal, in real work, staff can store up by Manual flashboard valve regulation lime
To the flow of helical feed machine inlet blanking, reduction screw conveyor conveying capacity is excessive and causes lime in transfer pipeline in storehouse
The case where blocking, occurs；Also, staff can realize the master control to the feed of material spray pipeline by hand operated gate valve.
The utility model is further arranged to: being provided with pneumatic gate valve in the transfer expects pipe.
By using above-mentioned technical proposal, in real work, staff can further control by pneumatic gate valve
Lime conveys the conveying capacity of lime into material spray pipeline, guarantees being normally carried out for flue gas purification system, and greatly facilitate work people
Control of the member to lime conveying capacity.
The utility model is further arranged to: the material spray pipeline is provided with two, two material spray pipelines respectively with
Flue at two tablecloth bag dust collector air inlets, the conveying device and material spray pipeline correspond, the roots blower and spray
Pipe material corresponds, and the two material spray pipelines are connected to setting emergency pipeline, the emergency between the side of roots blower
Emergency ventilator is provided in the middle part of pipeline, the puff prot of the emergency ventilator is connected to the middle part of emergency pipeline, and the emergency
The two sides of pipeline are provided with control valve.
By using above-mentioned technical proposal, in actual operation, two control valves are normally closed, when any one roots blower damages
Bad when, staff can open corresponding control valve, and open emergency ventilator, carry out spraying lime to corresponding material spray pipeline
Operation guarantees that corresponding flue gas in flue normally purifies operation.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) lime in warehouse is delivered in material spray pipeline through feed pipe by conveying device, and by roots blower
Lime is shootd out into the flue of bag filter upstream, to realize the purification operation to flue gas, guarantees the temperature of flue gas itself
Degree, and then the case where flue-gas temperature crosses low corrosion bag filter generation is reduced, and make the sour gas in flue gas up to standard；
(2) lime is conveyed by the screw conveyor of connection setting on the downside of lime warehouse, and in transfer expects pipe
End connection setting surge bunker guarantees to reduce the case where blocking in purification system operation to gas cleaning operation
It is normally carried out；
(3) hand operated gate valve being arranged on feeder pipe and the pneumatic plate being arranged in transfer expects pipe are comprehensively utilized
Valve greatly facilitates the control of the conveying capacity of material conveying in staff's opposite direction material spray pipeline.
Detailed description of the invention
Fig. 1 is the integrally-built schematic diagram of an embodiment of the present invention major embodiment flue gas purification system.
Appended drawing reference: 1, lime warehouse；11, feeder pipe；12, hand operated gate valve；2, material spray pipeline；3, feed pipe；4, defeated
Send device；41, screw conveyor；42, powder conveying pumps；5, roots blower；6, transfer expects pipe；61, surge bunker；62, pneumatic to insert
Plate valve；7, emergency pipeline；71, emergency ventilator；72, control valve.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
Embodiment
Referring to attached drawing 1, a kind of flue gas purification system, including lime warehouse 1 and material spray pipeline 2, the middle part of material spray pipeline 2 connect
Logical to be provided with feed pipe 3, feed pipe 3 is provided with conveying device 4 far from one end of material spray pipeline 2, and 2 one end of material spray pipeline is provided with
Roots blower 5 and its be connected to the puff prot of roots blower 5, and material spray pipeline 2 one end and bag-type dust far from roots blower 5
The flue of device air inlet side is connected to.In real work, staff can by conveying device 4 by the lime in warehouse through feeding
Pipe 3 is delivered in material spray pipeline 2, and shoots out lime into the flue at bag filter air inlet by roots blower 5, is made
Lime four scatters to come and be sufficiently mixed with flue gas in flue, realize the purification operation to flue gas.
Conveying device 4 includes screw conveyor 41 and powder conveying pump 42, and the downside of lime warehouse 1 is provided with and communicated with blanking
The lower end of pipe 11, feeder pipe 11 is connected to the feed inlet of screw conveyor 41；The discharge outlet of screw conveyor 41 is connected to downwards
It is provided with transfer expects pipe 6, the lower end of transfer expects pipe 6 is provided with and communicated with surge bunker 61, and the downside of surge bunker 61 and powder conveying pump
42 feed inlet connection, and the discharge port of powder conveying pump 42 is connected to feed pipe 3 far from one end of material spray pipeline 2.Practical work
In work, the lime in lime warehouse 1 enters screw conveyor 41 through feeder pipe 11, and screw conveyor 41 operates, and lime will be defeated
It send into transfer expects pipe 6；Then, lime will go into buffering chamber, and lime is delivered to stuff-spraying pipe by powder conveying pump 42
In road 2, the feeding operation to material spray pipeline 2 is realized.
The conveying capacity for conveying lime into material spray pipeline 2 is controlled for convenience of staff, is provided with manually on feeder pipe 11
Gate valve 12 is provided with pneumatic gate valve 62 in transfer expects pipe 6.In real work, staff can be by hand operated gate valve
12 adjust rate of the feeder pipe 11 to 41 blanking of screw conveyor, adjust helical feed frame to surge bunker by pneumatic gate valve 62
The rate of 61 feed.
Further to save cost, feeder pipe 11 is provided with two in the downside of lime warehouse 1, conveying device 4 and blanking
Pipe 11 corresponds, and material spray pipeline 2 and conveying device 4 correspond, and roots blower 5 and material spray pipeline 2 correspond, and two
The one end of material spray pipeline 2 far from roots blower 5 is connected to from the flue at different bag filter air inlets respectively.Also, two
Material spray pipeline 2 is connected to setting emergency pipeline 7 between the side of roots blower 5, and the middle part of emergency pipeline 7, which is provided with, answers abrupt wind
The puff prot of machine 71, emergency ventilator 71 is connected to the middle part of emergency pipeline 7, and the two sides for pipeline 7 of meeting an urgent need are provided with control valve
72.In actual operation, two control valves 72 are normally closed, and when the damage of any one roots blower 5, staff can open phase
The control valve 72 answered, and emergency ventilator 71 is opened, spraying lime operation is carried out to corresponding material spray pipeline 2, guarantees corresponding flue
Middle flue gas normally purifies operation.
The working principle of the present embodiment is: in real work, hand operated gate valve 12 and pneumatic gate valve 62 are opened, control
Valve 72 is closed, and the lime in lime warehouse 1 enters screw conveyor 41 through feeder pipe 11, and screw conveyor 41 operates, and lime will
It is transported in transfer expects pipe 6；Then, lime will go into buffering chamber, and lime is delivered to spray by powder conveying pump 42
In pipe material 2.When the damage of any one roots blower 5, staff can open corresponding control valve 72, and open emergency
Blower 71 carries out spraying lime operation to corresponding material spray pipeline 2.In this way, it realizes the purification operation to flue gas, protects
The temperature of flue gas itself is demonstrate,proved, and then reduces the case where flue-gas temperature crosses low corrosion bag filter generation, and make in flue gas
Sour gas is up to standard.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of flue gas purification system, which is characterized in that including lime warehouse (1) and material spray pipeline (2), the material spray pipeline
(2) be provided with and communicated in the middle part of feed pipe (3), the feed pipe (3) far from material spray pipeline (2) one end be provided with for for into
The conveying device (4) of expects pipe (3) conveying, described material spray pipeline (2) one end are provided with roots blower (5) and itself and roots blower
(5) puff prot connection, the cigarette of the material spray pipeline (2) one end and bag filter air inlet side far from roots blower (5)
Road connection.
2. a kind of flue gas purification system according to claim 1, which is characterized in that the conveying device (4) includes powder
The discharge port of delivery pump (42), the powder conveying pump (42) is connected to feed pipe (3) far from the one end of material spray pipeline (2), institute
The feed inlet for stating powder conveying pump (42) is connected to the downside of lime warehouse (1).
3. a kind of flue gas purification system according to claim 2, which is characterized in that the conveying device (4) includes spiral
Conveyer (41) is provided with and communicated with feeder pipe (11) on the downside of the discharge port of the screw conveyor (41) and lime warehouse (1),
Transfer expects pipe (6) are provided with and communicated between the feed inlet of discharge port and the powder conveying pump (42) of the screw conveyor (41).
4. a kind of flue gas purification system according to claim 3, which is characterized in that the transfer expects pipe (6) is close to powder
One end of delivery pump (42) is provided with and communicated with surge bunker (61), the feed inlet of the downside of surge bunker (61) and powder conveying pump (42)
Connection.
5. a kind of flue gas purification system according to claim 3, which is characterized in that be provided with hand on the feeder pipe (11)
Dynamic gate valve (12).
6. a kind of flue gas purification system according to claim 3, which is characterized in that be provided on the transfer expects pipe (6)
Pneumatic gate valve (62).
7. a kind of flue gas purification system according to claim 1, which is characterized in that the material spray pipeline (2) is provided with two
Root, two material spray pipelines (2) respectively with the flue at two tablecloth bag dust collector air inlets, the conveying device (4) and spray
Pipe material (2) corresponds, and the roots blower (5) and material spray pipeline (2) correspond, and the two material spray pipelines (2) are close
Connection setting is met an urgent need pipeline (7) between the side of roots blower (5), is provided with emergency ventilator in the middle part of the emergency pipeline (7)
(71), the puff prot of the emergency ventilator (71) is connected to the middle part of emergency pipeline (7), and the two sides of emergency pipeline (7)
It is provided with control valve (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049806.6U CN209548944U (en) | 2018-12-06 | 2018-12-06 | A kind of flue gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049806.6U CN209548944U (en) | 2018-12-06 | 2018-12-06 | A kind of flue gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209548944U true CN209548944U (en) | 2019-10-29 |
Family
ID=68301459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049806.6U Active CN209548944U (en) | 2018-12-06 | 2018-12-06 | A kind of flue gas purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209548944U (en) |
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2018
- 2018-12-06 CN CN201822049806.6U patent/CN209548944U/en active Active
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