CN205298601U - Bivalve plate valve door for sack cleaner - Google Patents
Bivalve plate valve door for sack cleaner Download PDFInfo
- Publication number
- CN205298601U CN205298601U CN201620002047.6U CN201620002047U CN205298601U CN 205298601 U CN205298601 U CN 205298601U CN 201620002047 U CN201620002047 U CN 201620002047U CN 205298601 U CN205298601 U CN 205298601U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- plate
- base
- fixed
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to a bivalve plate valve door for sack cleaner belongs to boiler flue gas dust removal auxiliary assembly technical field, including valve rod, drive arrangement, go up disk seat, disk seat and the last valve plate that matches with it respectively and valve plate down, go up disk seat cross -sectional area and be greater than disk seat cross -sectional area down, disk seat height under highly being greater than, going up the valve plate and being connected and being parallel to each other through the direction link with lower valve plate, the change of upper and lower valve plate at vertical direction relative position can be realized to the direction link, valve plate plane on the fixed just perpendicular to in valve rod lower extreme and last valve plate center, drive arrangement is connected to the upper end, valve plate upper surface center is fixed with the sleeve that length is lighter than disk seat and the lower high difference of disk seat down, and the spring is established to sleeve circumference cover, the utility model discloses thoroughly stop the sealed not tight defect of individual layer valve plate when boiler single fire buggy or double fuel multifuel combustion, guarantee the tightness and the life of valve, reduce discharge fume dustiness and reduction boiler blowing out maintenance frequency, guaranteed the normal clear of production.
Description
Technical field
This utility model relates to the double-valve-plate valve of a kind of boiler exhaust gas sack cleaner, belongs to boiler smoke dedusting technical field of auxiliary equipment.
Background technology
Sack cleaner is to adopt Bag filter mode that the solid particulate matter in flue gas is separated and collected, and is one of the main environmental protection equipment of boiler for producing; Coal dust-gas mixed burning boiler adopts sack cleaner to carry out dust removal process, and coal dust-gas mixed burning boiler is a kind of double fuel boiler, and it can realize single fuel combustion, it is also possible to realizes double fuel multifuel combustion; Owing to blast furnace gas calorific value is relatively low, about 800kCal/Nm3It is mainly composed of nitrogen, account for 50��60%(percent by volume), under equal loading condiction, exhaust gas volumn produced by pure burning blast-furnace gas is far longer than coal-fired flue-gas amount, so that the exhaust gas temperature of boiler raises, exceedes sack cleaner tolerable temperature (longtime running temperature requirement��165 DEG C of the conventional cloth bag of boiler smoke) even for a long time, but dustiness is almost nil in flue gas produced by pure burning blast-furnace gas, it is possible to meet direct emission request; In order to protect the filter bag of sack cleaner not to be burned when pure burning blast-furnace gas, need to arrange cleaner unit bypath system, and corresponding bypass valve is set, in order to meet coal dust-properly functioning needs of gas mixed burning boiler, bypass valve requires to open and close flexibly, and seals tight; What the valve of existing cleaner unit bypath system adopted is single valve plate valve door, it is fixed on valve plate center and the valve rod vertical with valve plate plane and the driving device being connected with valve rod upper end including the valve seat being fixed within the flue valve plate identical with valve seat cross-sectional area, lower end, driving device drives valve rod to drive valve plate to move up and down and realizes being contacting and separating of valve plate and valve seat, thus realizing unlatching and the Guan Bi of valve; When coal dust-gas mixed burning boiler adopts coal dust list fuel combustion, need to close single valve plate valve door and realize the sealing of bypath system, and existing single valve plate valve door by negative pressure, temperature, valve makes the factors such as precision, valve plate amount of deflection, valve plate and valve seat alignment deviation affects, easily cause poorly sealed, cause that ash-laden gas enters rear portion flue from bypath system, so that rear portion desulfurization process dust content exceeds standard, the abrasion causing the equipment such as desulphurization system circulation slurry pump and pipeline aggravates, and affects the quality of desulfurated plaster and being normally carried out of production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sack cleaner double-valve-plate valve, this valve can ensure that the excellent sealing of cleaner unit bypath system when boiler combustion coal dust runs, bypath system fume leakage is avoided to carry dust, realize the qualified discharge of dust content, solve background technology defect.
The technical scheme solving above-mentioned technical problem is:
A kind of sack cleaner double-valve-plate valve, it is fixed on valve plate center and the valve rod vertical with valve plate plane and the driving device being connected with valve rod upper end including the valve seat being fixed within the flue valve plate identical with valve seat cross-sectional area, lower end, its improvements are: described valve seat includes upper valve base and lower valve base, described valve plate includes valve plate and lower valve plate, upper valve base cross-sectional area is more than lower valve base cross-sectional area and identical with upper valve plate area, lower valve plate area is identical with lower valve base cross-sectional area, and upper valve base height is more than lower valve base height; Upper valve plate is connected with lower valve plate by multiple shapes and equivalently-sized guiding link and is parallel to each other; Valve plate plane is fixed and is perpendicular at valve rod lower end and upper valve plate center, and upper end connects driving device; Described guiding link is by the upper guide plate of lower end fixed pin shaft and has the bottom guide of chute along its length and constitutes, the bottom surface of upper guide plate upper end and upper valve plate is fixed, bottom guide lower end and lower valve plate upper surface are fixed, and upper guide plate lower end is connected the change realizing upper guide plate with bottom guide relative position in the vertical direction by bearing pin with bottom guide slide; Described guiding link quantity is be more than or equal to 3, and the fixing point of guiding link upper guide plate and upper valve plate is positioned on the same circumference of valve plate bottom surface, and the fixing point of bottom guide and lower valve plate is positioned on the same circumference of lower valve plate upper surface; Described lower valve plate upper surface center is fixed with the length sleeve less than upper valve base Yu lower valve base height difference, the spring that the sleeve sheathed upper and lower side of circumference offsets with upper valve plate and lower valve plate respectively; When bearing pin is in the top of chute, the vertical dimension between upper valve plate and lower valve plate is more than upper valve base and lower valve base difference in height.
Above-mentioned a kind of sack cleaner double-valve-plate valve, when bearing pin is in the top of chute, the vertical dimension between upper valve plate and lower valve plate is more than upper valve base and lower valve base difference in height 50-80mm; The compression travel of the described spring being sheathed on sleeve circumference is 50-80mm.
Above-mentioned a kind of sack cleaner double-valve-plate valve, described valve rod lower end is connected by universal connecting components and upper valve plate center are fixing; Being arranged with on described valve rod with valve rod is the fairlead of matched in clearance, and the outer rim of fairlead is fixed in flue medial wall; When bearing pin is in the top of chute, the vertical dimension between fairlead supreme valve plate upper surface is more than the vertical dimension between upper valve plate bottom surface to upper valve base upper surface.
Above-mentioned a kind of sack cleaner double-valve-plate valve, along vertically offering I shape groove on described upper valve base and lower valve base, is equipped with the sealing joint strip that cross section is I shape in it.
Utility model works process is: when boiler combustion coal dust runs, driving device drives valve rod to move down, when lower valve plate contacts with lower valve base, due to the vertical dimension between upper valve plate and lower valve plate more than upper valve base and lower valve base difference in height 50-80mm, identical with the compression travel of spring, now go up valve plate to may proceed to move down, spring-compressed lower valve plate now valve plate and lower valve base seal better simultaneously, when upper valve plate contacts realization sealing with upper valve base, driving device stops, thus realizing closing seam of the present utility model;When boiler combustion blast furnace gas or cleaner unit entrance flue gas temperature exceed cloth bag permission temperature, driving device moves up and realizes of the present utility model opening in time, make flue gas pass through bypath system to see off in time, avoid the urgent blowing out of boiler, decline after normally until flue-gas temperature, turn off this valve and put into cloth bag operation.
The structure of this utility model guiding link ensures that the poorly sealed situation caused due to dislocation will not occur upper lower valve plate; Universal connecting components achieves the Self-aligning function of valve plate, it is ensured that the correct cooperation of upper valve plate and upper valve base; Unique I-shaped sealing joint strip design is when ensureing that sealing surface is tight, it is possible to effectively prevents being subject to airflow influence in valve switch process and causes coming off and damaging of sealing joint strip; This utility model thoroughly stops the defect that monolayer valve plate is poorly sealed when boiler single fire coal dust or double fuel multifuel combustion, it is ensured that the tightness of valve and service life, reduces smoke evacuation dustiness and reduces boiler shutdown maintenance frequency, it is ensured that being normally carried out of production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is guiding link schematic diagram;
Figure is labeled as: flue 1, valve rod 2, driving device 3, upper valve base 4, lower valve base 5, upper valve plate 6, lower valve plate 7, guiding link 8, upper guide plate 9, bottom guide 10, bearing pin 11, chute 12, sleeve 13, spring 14, fairlead 15, sealing joint strip 16, universal connecting components 17.
Detailed description of the invention
Fig. 1 shows, this utility model includes being fixed on the upper valve base 4 within flue 1 and lower valve base 5, upper valve plate 6 identical with upper valve base 4 and lower valve base 5 cross-sectional area respectively and lower valve plate 7, lower end is fixed, by the upper surface center of universal connecting components 17 with upper valve plate 6, the valve rod 2 being connected and is connected the driving device 3 for driving valve rod 2 to move up and down with valve rod 2 upper end, valve rod 2 is perpendicular to valve plate 6 place plane, the cross-sectional area of upper valve base 4 is more than the cross-sectional area of lower valve base 5, the height of upper valve base 4 is more than the height of lower valve base 5, along vertically offering I shape groove on upper valve base and 4 lower valve bases 5, the sealing joint strip 16 that cross section is I shape it is equipped with in it, when ensureing that sealing surface is tight, can effectively prevent that valve switch process is subject to airflow influence and cause coming off and damaging of sealing joint strip 16, upper valve plate 6 and lower valve plate 7 by quantity be more than or equal to 3 and shape and equivalently-sized guiding link 8 be connected, upper valve plate 6 is parallel to each other with lower valve plate 7, guiding link 8 is by the upper guide plate 9 of lower end fixed pin shaft 11 and vertically has the bottom guide 10 of chute 12 and constitutes, and the bottom surface of the upper end of upper guide plate 9 and upper valve plate 6 is fixed, and lower end is slidably connected by bearing pin 11 and bottom guide chute 12, the upper surface of the lower end of bottom guide 10 and lower valve plate 7 is fixed, the fixing point of guiding link upper guide plate 9 and upper valve plate 6 is positioned on the same circumference of valve plate 6 bottom surface, with on the same circumference that the fixing point of lower valve plate 7 is positioned at lower valve plate 7 upper surface, ensureing the parastate of upper valve plate 6 and lower valve plate 7 successively, when valve rod 2 will not be occurred to move down, upper valve plate 6 and lower valve plate 7 occur dislocation to cause poorly sealed situation, the upper surface center of lower valve plate 7 is fixed with the length sleeve 13 less than upper valve base 4 with lower valve base 5 height difference, the spring 14 that the circumferential sheathed upper and lower side of sleeve 13 offsets respectively with upper valve plate 6 and lower valve plate 7, when bearing pin 11 is in the top of chute 12, spring 14 is in a state of nature, vertical dimension between upper valve plate 6 and lower valve plate 7 is more than the difference in height 50-80mm of upper valve base 4 with lower valve base 5, identical with the compression travel of spring 14, ensureing that upper valve plate 6 can continue to move down after lower valve plate 7 contacts with lower valve base 5, spring 14 can compress and make lower valve plate 7 and lower valve base 5 realize better sealing,Being arranged with on valve rod 2 and the fairlead 15 that valve rod 2 is matched in clearance, the outer rim of fairlead 15 is fixed in the medial wall of flue 1; When bearing pin 11 is in the top of chute 12, vertical dimension between fairlead 15 supreme valve plate 6 upper surface more than the bottom surface of upper valve plate 6 to the vertical dimension between upper valve base 4 upper surface, it is prevented that when opening this utility model valve, fairlead 15 hinders the upper shifting of upper valve plate 6 to cause that valve can not fully open.
Claims (4)
1. a sack cleaner double-valve-plate valve, the valve seat internal including being fixed on flue (1), the valve plate identical with valve seat cross-sectional area, valve plate center and the valve rod (2) vertical with valve plate plane and the driving device (3) being connected with valve rod (2) upper end are fixed in lower end, it is characterized in that: described valve seat includes upper valve base (4) and lower valve base (5), described valve plate includes valve plate (6) and lower valve plate (7), upper valve base (4) cross-sectional area is more than the cross-sectional area of lower valve base (5) and identical with the area of upper valve plate (6), the area of lower valve plate (7) is identical with the cross-sectional area of lower valve base (5), the height of upper valve base (4) is more than the height of lower valve base (5), upper valve plate (6) is connected with lower valve plate (7) by multiple shapes and equivalently-sized guiding link (8) and is parallel to each other, valve plate (6) plane is fixed and is perpendicular at the center of valve rod (2) lower end and upper valve plate (6), and upper end connects driving device (3), described guiding link (8) is by the upper guide plate (9) of lower end fixed pin shaft (11) and has the bottom guide (10) of chute (12) along its length and constitutes, the bottom surface of the upper end of upper guide plate (9) and upper valve plate (6) is fixed, the upper surface of the lower end of bottom guide (10) and lower valve plate (7) is fixed, and the lower end of upper guide plate (9) is slidably connected by bearing pin (11) and bottom guide chute (12) and realizes the change of upper guide plate (9) and bottom guide (10) relative position in the vertical direction, the quantity of described guiding link (8) is be more than or equal to 3, the fixing point of guiding link upper guide plate (9) and upper valve plate (6) is positioned on the same circumference of valve plate (6) bottom surface, and the fixing point of bottom guide (10) and lower valve plate (7) is positioned on the same circumference of lower valve plate (7) upper surface, the upper surface center of described lower valve plate (7) is fixed with the length sleeve (13) less than upper valve base (4) Yu lower valve base (5) height difference, the spring (14) that the circumferential sheathed upper and lower side of sleeve (13) offsets with upper valve plate (6) and lower valve plate (7) respectively, when bearing pin (11) is in the top of chute (12), the vertical dimension between upper valve plate (6) and lower valve plate (7) is more than the difference in height of upper valve base (4) Yu lower valve base (5).
2. a kind of sack cleaner double-valve-plate valve as claimed in claim 1, it is characterized in that: when bearing pin (11) is in the top of chute (12), vertical dimension between upper valve plate (6) and lower valve plate (7) more than the difference in height 50-80mm of upper valve base (4) Yu lower valve base (5), described in be sheathed on sleeve (13) circumference the compression travel of spring (14) be 50-80mm.
3. a kind of sack cleaner double-valve-plate valve as claimed in claim 1 or 2, it is characterised in that: described valve rod (2) lower end is connected by universal connecting components (17) is fixing with the center of upper valve plate (6); Being arranged with the fairlead (15) being matched in clearance with valve rod (2) on described valve rod (2), the outer rim of fairlead (15) is fixed in the medial wall of flue (1);When bearing pin (11) is in the top of chute (12), the vertical dimension between fairlead (15) supreme valve plate (6) upper surface more than the bottom surface of upper valve plate (6) to the vertical dimension between upper valve base (4) upper surface.
4. a kind of sack cleaner double-valve-plate valve as claimed in claim 1 or 2, it is characterized in that: I shape groove is vertically offered on the upper edge of described upper valve base (4) and lower valve base (5), in it, be equipped with the sealing joint strip (16) that cross section is I shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002047.6U CN205298601U (en) | 2016-01-05 | 2016-01-05 | Bivalve plate valve door for sack cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002047.6U CN205298601U (en) | 2016-01-05 | 2016-01-05 | Bivalve plate valve door for sack cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298601U true CN205298601U (en) | 2016-06-08 |
Family
ID=56485621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620002047.6U Expired - Fee Related CN205298601U (en) | 2016-01-05 | 2016-01-05 | Bivalve plate valve door for sack cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298601U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246929A (en) * | 2016-08-31 | 2016-12-21 | 伊马莱富（北京）制药系统有限公司 | The main isolating valve of a kind of vacuum freeze drier and vacuum freeze drier |
| CN106321888A (en) * | 2016-10-25 | 2017-01-11 | 天津市华邦科技发展有限公司 | Four-channel gas control device |
| CN107218398A (en) * | 2017-07-24 | 2017-09-29 | 北京中瑞麦通科技有限公司 | A kind of poppet commutated for heat accumulating type oxidation furnace gas |
| CN110925440A (en) * | 2019-12-20 | 2020-03-27 | 和县科嘉阀门铸造有限公司 | Stop valve capable of stably adjusting flow |
-
2016
- 2016-01-05 CN CN201620002047.6U patent/CN205298601U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246929A (en) * | 2016-08-31 | 2016-12-21 | 伊马莱富（北京）制药系统有限公司 | The main isolating valve of a kind of vacuum freeze drier and vacuum freeze drier |
| CN106246929B (en) * | 2016-08-31 | 2018-11-20 | 伊马莱富（北京）制药系统有限公司 | A kind of vacuum freeze drier |
| CN106321888A (en) * | 2016-10-25 | 2017-01-11 | 天津市华邦科技发展有限公司 | Four-channel gas control device |
| CN106321888B (en) * | 2016-10-25 | 2018-11-13 | 天津市华邦科技发展有限公司 | Four-way gas control equipment |
| CN107218398A (en) * | 2017-07-24 | 2017-09-29 | 北京中瑞麦通科技有限公司 | A kind of poppet commutated for heat accumulating type oxidation furnace gas |
| CN110925440A (en) * | 2019-12-20 | 2020-03-27 | 和县科嘉阀门铸造有限公司 | Stop valve capable of stably adjusting flow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205298601U (en) | Bivalve plate valve door for sack cleaner | |
| CN103773396B (en) | Top dress coke oven Anthracite coal device | |
| CN201335404Y (en) | Igniting device of circulating fluid bed boiler | |
| CN202792002U (en) | Leak prevention device for sleeve type expansion joint | |
| CN209783324U (en) | Humidification double-ash-discharging system | |
| CN211112068U (en) | Voltage-sharing diffusing device for blast furnace with bell-type furnace top for vanadium titano-magnetite | |
| CN210037347U (en) | Active coke particle and regeneration gas separation pressure sampling device | |
| CN208786062U (en) | A kind of fossil-fired unit pollutant complex control system | |
| CN103697711B (en) | The dust pelletizing system of chain grate drive end unit | |
| CN209540923U (en) | Double containment flue gas separates plate air door | |
| CN212451313U (en) | Full-automatic dustless no-leakage coal feeding set equipment of coal gas making equipment | |
| CN218894990U (en) | High-temperature-resistant high-dust-resistant smoke gate valve for coal-fired boiler | |
| CN110068223A (en) | A kind of sintering device flue gas circulation and sealing device | |
| CN211771070U (en) | Material sealing structure for movable cover of loading device | |
| CN220345568U (en) | Liquid gas production composition blending device behind ester | |
| CN202096836U (en) | Ultra-temperature flue gas deduster | |
| CN204853463U (en) | Expansion joint of improvement | |
| CN214991673U (en) | Pressure-equalizing and diffusing device for top of blast furnace and tank furnace | |
| CN215444787U (en) | Sealing shaft sleeve of ash discharging valve | |
| CN103752090B (en) | A kind of hot precipitator is with preventing the grey sealing device that cryogenic gas enters | |
| CN219656057U (en) | Material returning device for circulating fluidized bed boiler | |
| CN212651491U (en) | Built-in double-gland type bypass valve of bag type dust collector | |
| CN203899314U (en) | Ash sealing device used on high-temperature dust remover for preventing entering of low-temperature gas | |
| CN203700265U (en) | Smokeless coaling device for top-charging coke oven | |
| CN212082032U (en) | Full-coating type sealed material conveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161018 Address after: 056015 Fuxing Road, Fuxing District, Hebei, Handan, China, No. 232 Patentee after: Handan iron and Steel Group Design Institute Co Ltd Address before: 056015 Fuxing Road, Hebei, Handan, No. 232 Patentee before: Handan Branch Company of Hebei Iron and Steel Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20190105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |