CN103341316A - Conveying device of dry type desulfurizing agent - Google Patents
Conveying device of dry type desulfurizing agent Download PDFInfo
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- CN103341316A CN103341316A CN2013103096637A CN201310309663A CN103341316A CN 103341316 A CN103341316 A CN 103341316A CN 2013103096637 A CN2013103096637 A CN 2013103096637A CN 201310309663 A CN201310309663 A CN 201310309663A CN 103341316 A CN103341316 A CN 103341316A
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- desulfurizing agent
- carrier pipe
- agent carrier
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- conveying device
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Abstract
The invention discloses a conveying device of a dry type desulfurizing agent. The conveying device comprises an oxidation fan, an oxidation air cooler, a dilute phase conveyer and a desulfurizing agent conveying pipe, wherein the dilute phase conveyor comprises a feeding hole, an air inlet and a discharging hole, the oxidation fan is connected to the air inlet of the dilute phase conveyor through the oxidation air cooler, the discharging hole of the dilute phase conveyor is connected with the desulfurizing agent conveying pipe, the desulfurizing agent conveying pipe extends into a slurry pond of a desulfurizing tower, and a scraper plate which is close to the surface of the inner wall and advances along the circumference direction of the surface of the inner wall under the drive of a drive mechanism is arranged at the inner wall of the outlet of the desulfurizing agent conveying pipe. The conveying device of the dry type desulfurizing agent, disclosed by the invention, has the advantage of preventing from scaling and blocking at the outlet of the desulfurizing agent conveying pipe.
Description
Technical field
The invention belongs to the wet process of FGD technical field, be specifically related to a kind of conveying device that is applied in the dry desulfurizer in the wet method fume desulfurizing system.
Background technology
In wet process of FGD, need look for that to spray into oxidation air in slurries pond, absorption tower, oxidation air becomes calcium sulfate with the calcium sulfite oxidation in the slurries pond, absorption tower, crystallizes into gypsum then; Simultaneously, in and the absorption tower spraying layer wash the SO that gets off
2, acidic materials such as HCL, HF and guarantee that PH in the absorption tower a stationary value, need cover CaCO
3Or desulfurizing agents such as CaO or NaOH or MgO.
The Chinese invention patent application specification of publication number 102179162A discloses conveying device and the method for a kind of oxidation air and dry desulfurizer, it utilizes oxidation air directly dry desulfurizer to be sent in the slurries pond, absorption tower, make that like this system is simple, cancelled desulfurizing agent stock mixing system and desulfurizer slurry induction system, cost is saved, cuts down the consumption of energy, is conveniently moved.In running, do not need to spray into oxidation air in king's absorption tower system whom lowers the temperature, do not need the pulp-water of joining of desulfurizing agent page or leaf, can fall the unbalanced pressure of few desulphurization system water, increase the washing water quantity of demister.The operation of this technical scheme is convenient, energy-conservation, can produce enormous benefits to enterprise, meet the requirement of social sustainable development.
But, there are the following problems for this conveying device, because the desulfurizing agent carrier pipe feeds in the slurries, have the slurries evaporation in the wet separating interface position of doing of the outlet of desulfurizing agent carrier pipe, the dry ion that evaporation forms can accumulate in the outlet inwall of desulfurizing agent carrier pipe, make and export encrustation, time has been grown, and will cause outlet to stop up, and in case obstruction just need stop the whole service desulphurization system, and after draining in the slurries in the pond, dredge, system maintenance difficulty and maintenance cost are big.
Summary of the invention
For this reason, technical problem to be solved by this invention provides a kind of conveying device of avoiding at the dry desulfurizer of desulfurizing agent conveyance conduit exit fouling obstruction, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of conveying device of dry desulfurizer, comprise oxidation fan, the oxidation air cooler, the dilute phase conveyer, the desulfurizing agent carrier pipe, described dilute phase conveyer comprises charging aperture, air inlet, discharging opening, described oxidation fan is connected to the air inlet of dilute phase conveyer through the oxidation air cooler, the discharging opening of described dilute phase conveyer connects the desulfurizing agent carrier pipe, described desulfurizing agent carrier pipe extend in the slurries pond of desulfurizing tower, it is characterized in that: the outlet inwall place of described desulfurizing agent carrier pipe is provided with near inner wall surface and at driving mechanism and drives the scraper plate that lower edge inner wall surface circumferencial direction is advanced.
Described driving mechanism is to be located at the aerofoil fan that is positioned at the outlet top in the desulfurizing agent carrier pipe, and described scraper plate is connected on the described aerofoil fan.Adopt such mechanism, can utilize airflow flowing driving shaft flow fan rotation in the pipeline, the aerofoil fan of rotation drives scraper plate again and rotates along inner wall surface.
In the specific embodiment of invention, described aerofoil fan only has two blades, the outlet section of described desulfurizing agent carrier pipe vertically is arranged in the slurries pond, described desulfurizing agent carrier pipe outer wall is positioned at the outlet top and has circular orbit, described scraper plate has two, every scraper plate is close to described outlet inwall, the upper end is connected on the blade of described aerofoil fan, the lower end is stretched out desulfurizing agent carrier pipe outlet edge and is formed along the upwardly extending connecting portion of outlet outer wall by turnover upwards, and the upper end of described connecting portion has the slide head that is supported by described circular orbit and can slide along circular orbit.Described blade is narrow blades.Like this, can reduce the desulfurizing agent pipeline is carried the influence of desulfurizing agent.In addition, such structure has solved aerofoil fan and has installed and fixed difficult problem.
Described slide head be connecting portion upper end be bent to form be installed in groove on the described circular orbit.
Adopt technique scheme, by the outlet inwall at the desulfurizing agent carrier pipe scraper plate is set.Like this, in the process of carrying desulfurizing agent, scraper plate can be advanced along the outlet inner wall surface, and the dry ion that makes evaporation form can't deposit in the outlet inner wall surface, thereby can avoid the formation of fouling, thus eliminated the desulfurizing agent carrier pipe in the exit easy blocking problem.
Description of drawings
The present invention is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of the conveying device of dry desulfurizer;
Fig. 2 is the structural representation in desulfurizing agent carrier pipe exit;
Fig. 3 be among Fig. 2 A-A to schematic diagram;
Fig. 4 be among Fig. 2 B-B to schematic diagram.
Among the figure:
100-desulfurizing agent carrier pipe, 101-circular orbit, 200-scraper plate, 201-connecting portion, 202-slide head, 300-aerofoil fan, 301-blade, 4-dilute phase conveyer, 5-oxidation fan, 6, the oxidation air cooler, 7-desulfurizing tower, 71-slurries pond.
The specific embodiment
As shown in Figure 1, the conveying device of dry desulfurizer of the present invention comprises oxidation fan 5, oxidation air cooler 6, dilute phase conveyer 4, desulfurizing agent carrier pipe 100.
Wherein, dilute phase conveyer 4 comprises charging aperture, air inlet, discharging opening.Oxidation fan 5 is connected to the air inlet of dilute phase conveyer 4 through oxidation air cooler 6.The discharging opening of dilute phase conveyer 4 connects desulfurizing agent carrier pipe 100, and desulfurizing agent carrier pipe 100 extend in the slurries pond 71 of desulfurizing tower 7.
Dry desulfurizer enters from the charging aperture of dilute phase conveyer 4.Oxidation fan 5 is for to spray into oxidation air in slurries pond, absorption tower, oxidation air becomes calcium sulfate with the calcium sulfite oxidation in the slurries pond, absorption tower, crystallizes into gypsum then; Simultaneously, oxidation air is also as the conveying air of dry desulfurizer.Oxidation air cooler 6 is a kind of heat exchanger, adopts the mode of heat exchange for reducing the outlet oxidation air temperature of oxidation fan 5.
For the pressure and temperature to oxidation air is monitored, between oxidation air cooler 6 and dilute phase conveyer 4, also be provided with Pressure gauge and thermometer.
To shown in Figure 4, the outlet section of desulfurizing agent carrier pipe 100 vertically is arranged in the slurries pond in conjunction with Fig. 2, is provided with at the outlet inwall place of desulfurizing agent carrier pipe 100 near inner wall surface and at driving mechanism and drives the scraper plate 200 that lower edge inner wall surface circumferencial direction is advanced.In the present embodiment, scraper plate 200 has two, is driven by the aerofoil fan of being located in the desulfurizing agent carrier pipe 100 that is positioned at the outlet top 300.This aerofoil fan 300 only is made of two blades 301, and blade 301 is elongated narrow blades.The aerofoil fan 300 of this structure is arranged in the desulfurizing agent carrier pipe 100, can reduce carrying the influence of desulfurizing agent.Aerofoil fan 300 is arranged in the desulfurizing agent carrier pipe 100, and the termination of blade 301 is near the inwall of desulfurizing agent carrier pipe 100.The outlet inwall of pressing close to desulfurizing agent carrier pipe 100 of every scraper plate 200, the termination of the blade 301 of the aerofoil fan 300 that its upper end connects, desulfurizing agent carrier pipe 100 outlet edges are stretched out by upwards turnover formation is along the upwardly extending connecting portion 201 of outlet outer wall in its lower end, and the upper end of connecting portion 201 has slide head 202.The corresponding slide head of outer wall 202 positions at desulfurizing agent carrier pipe 100 are provided with circular orbit 101, and this ring-like pipeline 101 is used for supporting slide head 202, and can be so that slide head 202 slides along circumferential along circular orbit 101.Particularly, slide head 202 is installed in groove on the circular orbit 101 for what the connecting portion upper end was bent to form.
More than be exactly the conveying device of dry desulfurizer of the present invention, after dry desulfurizer enters dilute phase conveyer 4, under the driving of oxidation air, enter the slurries pond 71 of desulfurizing tower 7 through desulfurizing agent carrier pipe 100.And blade 301 rotations of the air-flow that dry desulfurizer and oxidation air form in desulfurizing agent carrier pipe 100 meeting driving shaft flow fan 300, and the rotation blade 301 can drive scraper plate 200 along the outlet inwall circumferencial direction move, the dry ion that makes evaporation form can't deposit in the outlet inner wall surface, thereby can avoid the formation of fouling, thus eliminated the desulfurizing agent carrier pipe in the exit easy blocking problem.
Therefore, by foregoing detailed description, the conveying device of dry desulfurizer of the present invention has the advantage of avoiding in desulfurizing agent conveyance conduit exit fouling obstruction as can be seen.
Claims (5)
1. the conveying device of a dry desulfurizer, comprise oxidation fan, the oxidation air cooler, the dilute phase conveyer, the desulfurizing agent carrier pipe, described dilute phase conveyer comprises charging aperture, air inlet, discharging opening, described oxidation fan is connected to the air inlet of dilute phase conveyer through the oxidation air cooler, the discharging opening of described dilute phase conveyer connects the desulfurizing agent carrier pipe, described desulfurizing agent carrier pipe extend in the slurries pond of desulfurizing tower, it is characterized in that: the outlet inwall place of described desulfurizing agent carrier pipe is provided with near inner wall surface and at driving mechanism and drives the scraper plate that lower edge inner wall surface circumferencial direction is advanced.
2. the conveying device of dry desulfurizer according to claim 1 is characterized in that: described driving mechanism is to be located at the aerofoil fan that is positioned at the outlet top in the desulfurizing agent carrier pipe, and described scraper plate is connected on the described aerofoil fan.
3. the conveying device of dry desulfurizer according to claim 1, it is characterized in that: described aerofoil fan only has two blades, the outlet section of described desulfurizing agent carrier pipe vertically is arranged in the slurries pond, described desulfurizing agent carrier pipe outer wall is positioned at the outlet top and has circular orbit, described scraper plate has two, every scraper plate is close to described outlet inwall, the upper end is connected on the blade of described aerofoil fan, the lower end is stretched out desulfurizing agent carrier pipe outlet edge and is formed along the upwardly extending connecting portion of outlet outer wall by turnover upwards, and the upper end of described connecting portion has the slide head that is supported by described circular orbit and can slide along circular orbit.
4. the conveying device of dry desulfurizer according to claim 3, it is characterized in that: described blade is narrow blades.
5. the conveying device of dry desulfurizer according to claim 3 is characterized in that: described slide head be the connecting portion upper end be bent to form be installed in groove on the described circular orbit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309663.7A CN103341316B (en) | 2013-07-22 | 2013-07-22 | Conveying device of dry type desulfurizing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309663.7A CN103341316B (en) | 2013-07-22 | 2013-07-22 | Conveying device of dry type desulfurizing agent |
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| Publication Number | Publication Date |
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| CN103341316A true CN103341316A (en) | 2013-10-09 |
| CN103341316B CN103341316B (en) | 2015-02-04 |
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| CN201310309663.7A Active CN103341316B (en) | 2013-07-22 | 2013-07-22 | Conveying device of dry type desulfurizing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026098A (en) * | 2021-03-02 | 2021-06-25 | 桂林雷光科技有限公司 | Gas supply method and device of epitaxial equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596402A (en) * | 2009-07-15 | 2009-12-09 | 辽宁省石油化工规划设计院 | A kind of method for arranging of flue gas desulfur device |
| CN102179162A (en) * | 2011-05-13 | 2011-09-14 | 上海汉卓能源科技有限公司 | Device and method for conveying oxidation air and dry desulfurizing agent |
| CN202078851U (en) * | 2011-05-13 | 2011-12-21 | 上海汉卓能源科技有限公司 | Conveyer device for oxidized air and dry desulfurizing agent |
| CN202263512U (en) * | 2011-08-26 | 2012-06-06 | 浙江菲达脱硫工程有限公司 | Star-shaped feeding device for preventing blockage |
-
2013
- 2013-07-22 CN CN201310309663.7A patent/CN103341316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596402A (en) * | 2009-07-15 | 2009-12-09 | 辽宁省石油化工规划设计院 | A kind of method for arranging of flue gas desulfur device |
| CN102179162A (en) * | 2011-05-13 | 2011-09-14 | 上海汉卓能源科技有限公司 | Device and method for conveying oxidation air and dry desulfurizing agent |
| CN202078851U (en) * | 2011-05-13 | 2011-12-21 | 上海汉卓能源科技有限公司 | Conveyer device for oxidized air and dry desulfurizing agent |
| CN202263512U (en) * | 2011-08-26 | 2012-06-06 | 浙江菲达脱硫工程有限公司 | Star-shaped feeding device for preventing blockage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026098A (en) * | 2021-03-02 | 2021-06-25 | 桂林雷光科技有限公司 | Gas supply method and device of epitaxial equipment |
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| CN103341316B (en) | 2015-02-04 |
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