CN103341316B - Conveying device of dry type desulfurizing agent - Google Patents
Conveying device of dry type desulfurizing agent Download PDFInfo
- Publication number
- CN103341316B CN103341316B CN201310309663.7A CN201310309663A CN103341316B CN 103341316 B CN103341316 B CN 103341316B CN 201310309663 A CN201310309663 A CN 201310309663A CN 103341316 B CN103341316 B CN 103341316B
- Authority
- CN
- China
- Prior art keywords
- desulfurizing agent
- carrier pipe
- agent carrier
- outlet
- oxidation
- 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.)
- Active
Links
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 Wet Flue Gas Desulfurization Technology field, be specifically related to a kind of conveying device of the dry desulfurizer be applied in wet method fume desulfurizing system.
Background technology
In wet process of FGD, need to look for that to spray into oxidation air at slurry pool of absorption tower, the calcium sulfite oxidation in slurry pool of absorption tower is become calcium sulfate by oxidation air, then crystallizes into gypsum; Meanwhile, in order in and the SO that washs of absorption tower spraying layer
2, acidic materials such as HCL, HF ensure that PH in absorption tower is a stationary value, needs to cover CaCO
3or the desulfurizing agent such as CaO or NaOH or MgO.
The Chinese invention patent application description of publication number 102179162A discloses conveying device and the method for a kind of oxidation air and dry desulfurizer, it utilizes oxidation air directly to send in slurry pool of absorption tower by dry desulfurizer, make like this system simple, eliminate desulfurizing agent stock mixing system and desulfurizer slurry induction system, cost is saved, reduce energy consumption, conveniently run.In running, do not need to spray into oxidation air in king's absorption tower system whom lowers the temperature, do not need the water with slurry of desulfurizing agent page, the unbalanced pressure of few desulphurization system water can be fallen, increase the washing water quantity of demister.That this technical scheme is run 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 desulfurizing agent carrier pipe passes in slurries, have slurries evaporation at the separating dry space from moist space interface location of the outlet of desulfurizing agent carrier pipe, the dry ion that evaporation is formed can accumulate in the outlet inside wall of desulfurizing agent carrier pipe, make outlet inside wall fouling, time has been grown, and will cause outlet obstruction, and just needs to stop whole service desulphurization system once blocking, and dredge after draining in slurries in pond, system maintenance is difficult and maintenance cost is large.
Summary of the invention
For this reason, technical problem to be solved by this invention is to provide a kind of conveying device avoiding dry desulfurizer at desulfurizing agent conveyance conduit exit fouling and clogging, 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, oxidation air cooler, diluted phase transport device, desulfurizing agent carrier pipe, described diluted phase transport device comprises charging aperture, air inlet, discharging opening, described oxidation fan is connected to the air inlet of diluted phase transport device through oxidation air cooler, the discharging opening of described diluted phase transport device connects desulfurizing agent carrier pipe, described desulfurizing agent carrier pipe extend in the slurry pool of desulfurizing tower, it is characterized in that: the outlet inside wall place of described desulfurizing agent carrier pipe is provided with close to inner wall surface and the scraper plate of advancing along inner wall surface circumferencial direction under driving mechanism drives.
Described driving mechanism is be located in desulfurizing agent carrier pipe the aerofoil fan being positioned at outlet top, and described scraper plate is connected on described aerofoil fan.Adopt such mechanism, the air stream drives aerofoil fan of flowing in pipeline can be utilized to rotate, and the aerofoil fan of rotation drives scraper plate to rotate along inner wall surface again.
In the detailed description of the invention of invention, described aerofoil fan only has two panels blade, the outlet section of described desulfurizing agent carrier pipe is vertically arranged in slurry pool, described desulfurizing agent carrier pipe outer wall is positioned at outlet top and has circular orbit, described scraper plate has two, every root scraper plate is close to described outlet inside wall, upper end is connected on the blade of described aerofoil fan, through upwards turning down the connecting portion being formed and upwards extend along outlet outer wall after desulfurizing agent carrier pipe Exit-edge edge is stretched out in lower end, the upper end of described connecting portion has and is supported and the slide head that can slide along circular orbit by described circular orbit.Described blade is narrow blades.Like this, the impact on desulfurizing agent Cemented filling desulfurizing agent can be reduced.In addition, such structure, solves the problem that aerofoil fan installs fixing difficulty.
Described slide head is the groove be arranged on described circular orbit that connecting portion upper end is bent to form.
Adopt technique scheme, by arranging scraper plate at the outlet inside wall of desulfurizing agent carrier pipe.Like this, in the process of conveying desulfurizing agent, scraper plate can be advanced along outlet inside wall surface, and making to evaporate the dry ion formed cannot deposit on outlet inside wall surface, thus the formation of fouling can be avoided, thus eliminate desulfurizing agent carrier pipe and hold susceptible to plugging problem in exit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
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 in Fig. 2 A-A to schematic diagram;
Fig. 4 be in Fig. 2 B-B to schematic diagram.
In figure:
100-desulfurizing agent carrier pipe, 101-circular orbit, 200-scraper plate, 201-connecting portion, 202-slide head, 300-aerofoil fan, 301-blade, 4-diluted phase transport device, 5-oxidation fan, 6, oxidation air cooler, 7-desulfurizing tower, 71-slurry pool.
Detailed description of the invention
As shown in Figure 1, the conveying device of dry desulfurizer of the present invention, comprises oxidation fan 5, oxidation air cooler 6, diluted phase transport device 4, desulfurizing agent carrier pipe 100.
Wherein, diluted phase transport device 4 comprises charging aperture, air inlet, discharging opening.Oxidation fan 5 is connected to the air inlet of diluted phase transport device 4 through oxidation air cooler 6.The discharging opening of diluted phase transport device 4 connects desulfurizing agent carrier pipe 100, and desulfurizing agent carrier pipe 100 extend in the slurry pool 71 of desulfurizing tower 7.
Dry desulfurizer enters from the charging aperture of diluted phase transport device 4.Oxidation fan 5 for spray into oxidation air in slurry pool of absorption tower, and the calcium sulfite oxidation in slurry pool of absorption tower is become calcium sulfate by oxidation air, then crystallizes into gypsum; Meanwhile, oxidation air is also as the conveying air of dry desulfurizer.Oxidation air cooler 6 is a kind of heat exchanger, adopts the outlet oxidation air themperature of mode for reducing oxidation fan 5 of heat exchange.
In order to monitor the pressure and temperature of oxidation air, between oxidation air cooler 6 and diluted phase transport device 4, be also provided with Pressure gauge and thermometer.
Shown in composition graphs 2 to Fig. 4, the outlet section of desulfurizing agent carrier pipe 100 is vertically arranged in slurry pool, is provided with close to inner wall surface and the scraper plate 200 of advancing along inner wall surface circumferencial direction under driving mechanism drives at the outlet inside wall place of desulfurizing agent carrier pipe 100.In the present embodiment, scraper plate 200 has two, is driven by the aerofoil fan 300 being positioned at outlet top be located in desulfurizing agent carrier pipe 100.This aerofoil fan 300 is only made up of two panels blade 301, and blade 301 is elongated narrow blades.The aerofoil fan 300 of this structure is arranged in desulfurizing agent carrier pipe 100, can reduce the impact on conveying desulfurizing agent.Aerofoil fan 300 is arranged in desulfurizing agent carrier pipe 100, and the termination of blade 301 is close to the inwall of desulfurizing agent carrier pipe 100.The outlet inside wall pressing close to desulfurizing agent carrier pipe 100 of every root scraper plate 200, the termination of the blade 301 of the aerofoil fan 300 that its upper end connects, through upwards turning down the connecting portion 201 being formed and upwards extend along outlet outer wall after desulfurizing agent carrier pipe 100 Exit-edge edge is stretched out in its lower end, the upper end of connecting portion 201 has slide head 202.Corresponding slide head 202 position of the outer wall of desulfurizing agent carrier pipe 100 is provided with circular orbit 101, and this ring-like pipeline 101 for supporting slide head 202, and can make slide head 202 circumferentially slide along circular orbit 101.Particularly, the groove be arranged on circular orbit 101 that is bent to form for connecting portion upper end of slide head 202.
Be exactly more than the conveying device of dry desulfurizer of the present invention, after dry desulfurizer enters diluted phase transport device 4, under the driving of oxidation air, enter the slurry pool 71 of desulfurizing tower 7 through desulfurizing agent carrier pipe 100.And the blade 301 of the air-flow meeting driving shaft flow fan 300 that dry desulfurizer and oxidation air are formed in desulfurizing agent carrier pipe 100 rotates, and the blade 301 rotated can drive scraper plate 200 to move along the circumferencial direction of outlet inside wall, make to evaporate the dry ion formed to deposit on outlet inside wall surface, thus the formation of fouling can be avoided, thus eliminate desulfurizing agent carrier pipe and hold susceptible to plugging problem in exit.
Therefore, by foregoing detailed description, can find out that the conveying device of dry desulfurizer of the present invention has the advantage avoided at desulfurizing agent conveyance conduit exit fouling and clogging.
Claims (3)
1. the conveying device of a dry desulfurizer, comprise oxidation fan, oxidation air cooler, diluted phase transport device, desulfurizing agent carrier pipe, described diluted phase transport device comprises charging aperture, air inlet, discharging opening, described oxidation fan is connected to the air inlet of diluted phase transport device through oxidation air cooler, the discharging opening of described diluted phase transport device connects desulfurizing agent carrier pipe, described desulfurizing agent carrier pipe extend in the slurry pool of desulfurizing tower, the outlet inside wall place of described desulfurizing agent carrier pipe is provided with close to inner wall surface and the scraper plate of advancing along inner wall surface circumferencial direction under driving mechanism drives, it is characterized in that: described driving mechanism is be located in desulfurizing agent carrier pipe the aerofoil fan being positioned at outlet top, described scraper plate is connected on described aerofoil fan: described aerofoil fan only has two panels blade, the outlet section of described desulfurizing agent carrier pipe is vertically arranged in slurry pool, described desulfurizing agent carrier pipe outer wall is positioned at outlet top and has circular orbit, described scraper plate has two, every root scraper plate is close to described outlet inside wall, upper end is connected on the blade of described aerofoil fan, through upwards turning down the connecting portion being formed and upwards extend along outlet outer wall after desulfurizing agent carrier pipe Exit-edge edge is stretched out in lower end, the upper end of described connecting portion has and is supported and the slide head that can slide along circular orbit by described circular orbit.
2. the conveying device of dry desulfurizer according to claim 1, is characterized in that: described blade is narrow blades.
3. the conveying device of dry desulfurizer according to claim 1, is characterized in that: described slide head is the groove be arranged on described circular orbit that connecting portion upper end is bent to form.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103341316A CN103341316A (en) | 2013-10-09 |
| CN103341316B true CN103341316B (en) | 2015-02-04 |
Family
ID=49276169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310309663.7A Active CN103341316B (en) | 2013-07-22 | 2013-07-22 | Conveying device of dry type desulfurizing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103341316B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026098B (en) * | 2021-03-02 | 2022-04-22 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103341316A (en) | 2013-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105202938A (en) | Novel air cooling tower | |
| CN110975576A (en) | Desulfurization and dust removal equipment and process for lime production | |
| CN106422734A (en) | Bubbling flue gas desulfurizing device | |
| CN202683066U (en) | PH value and density measuring device for slurry in desulfurizing absorption tower | |
| CN103341316B (en) | Conveying device of dry type desulfurizing agent | |
| CN204746080U (en) | A spray drying desulphurization unit for cement plant | |
| CN107684817A (en) | A kind of flue gas desulfurization process system | |
| CN203425712U (en) | Delivery pipe of dry desulfurizing agent | |
| CN103041689A (en) | Liquid distribution device for absorption tower | |
| CN205598919U (en) | Desulfurizing tower with flue gas tray that flow equalizes | |
| CN202315693U (en) | Slurry bottom flow type wet desulphurization device | |
| CN201551961U (en) | Ammonia flue gas desulfurization tower | |
| CN212369916U (en) | Spray-free efficient desulfurization device and spray-free desulfurization system | |
| CN206295794U (en) | Limestone-gypsum wet desulfuration one is with three for lime stone pulp feeding system | |
| CN205570070U (en) | Compound desulphurization unit of ammonia process based on ultra -clean discharges | |
| CN202078851U (en) | Conveyer device for oxidized air and dry desulfurizing agent | |
| CN103239980B (en) | Can the desulfurizing tower of self-skimming | |
| CN107126769A (en) | A kind of pneumatic combined demisting separator of flat board | |
| CN207805373U (en) | A kind of block-resistant type spray type desulphurization tower | |
| CN211837204U (en) | Industrial boiler tail gas desulfurization denitration environment-friendly device with energy-conserving function | |
| CN204522731U (en) | The outer demist wet flue gas desulfurizer of tower | |
| CN208824259U (en) | A kind of desulfurization synergistic device | |
| CN202638256U (en) | Rotational flow double-alkali method desulfurization device | |
| CN207102122U (en) | A kind of pneumatic combined demisting separator of flat board | |
| CN206881310U (en) | A kind of pneumatic combined demisting separator of flat board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |