CN202301988U - Fume reversing valve with sealing structure - Google Patents
Fume reversing valve with sealing structure Download PDFInfo
- Publication number
- CN202301988U CN202301988U CN2011204447069U CN201120444706U CN202301988U CN 202301988 U CN202301988 U CN 202301988U CN 2011204447069 U CN2011204447069 U CN 2011204447069U CN 201120444706 U CN201120444706 U CN 201120444706U CN 202301988 U CN202301988 U CN 202301988U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- annular groove
- valve seat
- flue gas
- 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 - Lifetime
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a fume reversing valve with a sealing structure. The fume reversing valve comprises a rotary mechanism, a valve seat and a valve plate, wherein the rotary mechanism is connected with the valve plate; a valve plate internal sealing sheet is arranged on the side face of the valve plate; a valve plate external sealing sheet is arranged outside the valve plate internal sealing sheet; an annular groove is formed in the valve seat; a through hole is formed in the inner wall of the valve seat; one end of the through hole is communicated with the annular groove, and the other end of the through hole is connected with a high-pressure gas supply device; the high-pressure gas supply device is matched with the valve seat through the valve plate, the valve plate internal sealing sheet and the valve plate external sealing sheet; a closed space is formed in the annular groove in the valve seat; the high-pressure gas supply device injects high-pressure gas into the closed space in the annular groove through the through hole, so a high pressure area is formed in the annular groove, and sealing is realized through pressure difference between the high pressure area and a fume pipeline; and a rotary limiting column is arranged outside the valve seat and used for protecting the sealing structure from being deformed and damaged due to large rotary force.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of flue gas selector valve with sealing configuration.
Background technique
As everyone knows, the burner in the commercial production, steel making furnace, incinerator etc. all can produce the great amount of high-temperature flue gas, carry great amount of heat, and the extra benefit of creation can be used for further being used; Some flue gas also possibly contain be corrosive composition or toxic component simultaneously, if directly discharging pollutes the environment or influences working environment.In order effectively to control the flow direction of flue gas; Flue gas channel must be set is directed to flue gas with hot equipment (as: exhaust heat boiler) or filter plant; Consider control flue gas the flow direction, just must on flue gas channel, be provided with valve in order to control flows to, this has just proposed the demand to selector valve.At present, common selector valve is the sealing means that steel plate directly compresses.Baffle plate rotates around running shaft, is open mode when vertical with valve seat, and this moment, flue gas can pass through pipeline; And when baffle plate parallel with the junction plane on the valve seat and be adjacent to after just reached the effect of closing passage.But this flapper valve structure relies on impacting force to reach the technological scheme of sealing anti-leak, and the fault that causes selector valve to use a period of time just to leak often takes place.This is because valve seat and valve plate are structural member; The stress of the bigger then component inside of impacting force is big more; And resiliently deformable and fatigue deformation all can take place in all materials; Of long duration so just caused member that small distortion has taken place, slight gap on junction plane, occurred, inner flue gas is just extruded from these slits.Because the circulation of flue gas is arranged, the corrosivity composition in the flue gas has aggravated the metal erosion of slit periphery, under the souring of air-flow, has aggravated the expansion speed in slit, thereby has caused the generation of serious leakage accident.Therefore need often overhaul, safeguard, and in time change impaired flapper valve, so, waste time and energy, also increase the expense of safeguarding.
The model utility content
The purpose of the utility model is to provide a kind of flue gas selector valve with sealing configuration; It utilizes the pressure difference of the high pressure and the interior flue gas of pipeline of annular groove place formation in the valve seat; Realized the sealing of selector valve; Reduced the generation of leakage accident, good sealing effect, and effectively reduced amount of maintenance and maintenance cost.
The purpose of the utility model is to realize through following technological scheme:
A kind of flue gas selector valve with sealing configuration comprises rotating mechanism, valve seat and valve plate, and said rotating mechanism connects valve plate; Said valve plate side is provided with diaphragm seal in the valve plate; The diaphragm seal arranged outside has valve plate external sealed sheet in the said valve plate, and said valve seat set inside has annular groove, has through hole on the said valve base inner wall; Said through hole one end is communicated with annular groove, and the other end is connected with the pressurized gas feeding mechanism.
Further, connect through contiguous block between diaphragm seal and the valve plate external sealed sheet in the said valve plate.
Further, said valve seat arranged outside has the rotary stopper post.
Further, said pressurized gas feeding mechanism is the high-pressure air feeding mechanism.
The described flue gas selector valve of the utility model with sealing configuration; It matches with valve seat through diaphragm seal in valve plate, the valve plate and valve plate external sealed sheet; The annular groove place inner at valve seat forms confined space, and the pressurized gas feeding mechanism makes the annular groove place form the zone of high pressure through the confined space of through hole with pressurized gas injection ring connected in star place; And through with fume pipe in pressure reduction, realize sealing; In the valve seat arranged outside rotary stopper post is arranged, do not cause distortion, damage because of rotating force is excessive in order to the protection sealing configuration.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the said flue gas selector valve structural representation with sealing configuration of the utility model;
Fig. 2 and 3 is the said work structuring schematic representation with flue gas selector valve three-way valve of sealing configuration of the utility model.
Among the figure:
1, rotating mechanism, 2, valve seat, 3, valve plate, 4, diaphragm seal in the valve plate, 5, valve plate external sealed sheet; 6, annular groove, 7, through hole, 8, the pressurized gas feeding mechanism, 9, contiguous block; 10, rotary stopper post, 11, advance mouth, 12, smoke outlet a, 13, smoke outlet b.
Embodiment
As shown in Figure 1, provided the said flue gas selector valve structural representation of the utility model, in present embodiment with sealing configuration; Comprise rotating mechanism 1, valve seat 2 and valve plate 3; Said rotating mechanism 1 connects valve plate 3, and said valve plate 3 sides are provided with diaphragm seal 4 in the valve plate, and diaphragm seal 4 arranged outside have valve plate external sealed sheet 5 in the said valve plate; Said valve seat 2 set inside have annular groove 6; Have through hole 7 on said valve seat 2 inwalls, said through hole 7 one ends are communicated with annular groove 6, and the other end is connected with pressurized gas feeding mechanism 8.Connect through contiguous block 9 between diaphragm seal 4 and the valve plate external sealed sheet 5 in the said valve plate.Said valve seat 2 arranged outside have rotary stopper post 10.Said pressurized gas feeding mechanism 8 is the high-pressure air feeding mechanism.
During work, rotating mechanism 1 drives valve plate 3 and is rotated down, and it is spacing to lean on 10 pairs of valve plates of rotary stopper post 3 to carry out, and holds out against valve seat 2, makes that the interior diaphragm seal 4 of valve plate above the valve plate 3 forms confined space with valve plate external sealed sheet 5 and valve seat 2 outer annular groove 6; At this moment, start pressurized gas feeding mechanism 8, and to annular groove 6 in, inject air, make annular groove 6 places form the zone of high pressure through through hole 7, and through with fume pipe in pressure reduction, realization seals.
Shown in Fig. 2 and 3, provided the said structural representation of the utility model, in present embodiment with flue gas selector valve three-way valve of sealing configuration; Comprise rotating mechanism 1, valve seat 2 and valve plate 3; On the said rotating mechanism 1 valve plate 3 is installed, said valve plate 3 both sides are provided with diaphragm seal 4 in the valve plate, and diaphragm seal 4 arranged outside have valve plate external sealed sheet 5 in the said valve plate; Said valve seat 2 set inside have annular groove 6; Have through hole 7 on said valve seat 2 inwalls, said through hole 7 one ends are communicated with annular groove 6, and the other end is connected with pressurized gas feeding mechanism 8.Connect through contiguous block 9 between diaphragm seal 4 and the valve plate external sealed sheet 5 in the said valve plate.Said valve seat 2 arranged outside have rotary stopper post 10.Said pressurized gas feeding mechanism 8 is the high-pressure air feeding mechanism.
During work, rotating mechanism 1 drives valve plate 3 and rotates up, and it is spacing to lean on 10 pairs of valve plates of rotary stopper post 3 to carry out, and holds out against valve seat 2, makes that the interior diaphragm seal 4 of valve plate above the valve plate 3 forms confined space with valve plate external sealed sheet 5 and valve seat 2 outer annular groove 6; At this moment; Start pressurized gas feeding mechanism 8, and in annular groove 6, inject air, make annular groove 6 places form the zone of high pressure through through hole 7; And through with fume pipe in pressure reduction; Realization is to the sealing of smoke outlet a12, and simultaneously, flue gas is discharged through advancing in the mouth 11 entering valves and from smoke outlet b13.
Rotating mechanism 1 drives valve plate 3 and is rotated down, and it is spacing to lean on 10 pairs of valve plates of rotary stopper post 3 to carry out, and holds out against valve seat 2, makes that the interior diaphragm seal 4 of valve plate above the valve plate 3 forms confined space with valve plate external sealed sheet 5 and valve seat 2 outer annular groove 6; At this moment; Start pressurized gas feeding mechanism 8, and in annular groove 6, inject air, make annular groove 6 places form the zone of high pressure through through hole 7; And through with fume pipe in pressure reduction; Realization is to the sealing of smoke outlet b13, and simultaneously, flue gas is discharged through advancing in the mouth 11 entering valves and from smoke outlet a12.
Said flue gas selector valve with sealing configuration; The pressure difference that it utilizes the high pressure and the interior flue gas of pipeline of annular groove place formation in the valve seat has realized the sealing of flapper valve, has reduced the generation of leakage accident; Good sealing effect, and effectively reduced amount of maintenance and maintenance cost.
Claims (4)
1. flue gas selector valve with sealing configuration; Comprise rotating mechanism (1), valve seat (2) and valve plate (3); It is characterized in that: said rotating mechanism (1) connects valve plate (3), and said valve plate (3) side is provided with diaphragm seal (4) in the valve plate, and diaphragm seal (4) arranged outside has valve plate external sealed sheet (5) in the said valve plate; Said valve seat (2) set inside has annular groove (6); Have through hole (7) on said valve seat (2) inwall, said through hole (7) one ends are communicated with annular groove (6), and the other end is connected with pressurized gas feeding mechanism (8).
2. the flue gas selector valve with sealing configuration according to claim 1 is characterized in that: connect through contiguous block (9) between diaphragm seal (4) and the valve plate external sealed sheet (5) in the said valve plate.
3. the flue gas selector valve with sealing configuration according to claim 1 is characterized in that: said valve seat (2) arranged outside has rotary stopper post (10).
4. the flue gas selector valve with sealing configuration according to claim 1 is characterized in that: said pressurized gas feeding mechanism (8) is the high-pressure air feeding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204447069U CN202301988U (en) | 2011-11-10 | 2011-11-10 | Fume reversing valve with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204447069U CN202301988U (en) | 2011-11-10 | 2011-11-10 | Fume reversing valve with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301988U true CN202301988U (en) | 2012-07-04 |
Family
ID=46370886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204447069U Expired - Lifetime CN202301988U (en) | 2011-11-10 | 2011-11-10 | Fume reversing valve with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405722A (en) * | 2022-09-22 | 2022-11-29 | 江苏高标阀门有限公司 | Flue gas reversing valve and control method thereof |
-
2011
- 2011-11-10 CN CN2011204447069U patent/CN202301988U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405722A (en) * | 2022-09-22 | 2022-11-29 | 江苏高标阀门有限公司 | Flue gas reversing valve and control method thereof |
| CN115405722B (en) * | 2022-09-22 | 2024-01-30 | 江苏高标阀门有限公司 | Flue gas reversing valve and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203856559U (en) | Segmented exhaust pipe interface sealing structure | |
| CN201731508U (en) | Air sealing device for reducing air leakage of rotary type air preheater | |
| CN202301988U (en) | Fume reversing valve with sealing structure | |
| KR101192096B1 (en) | A pipe leak area repair tool and method | |
| CN202419679U (en) | Flue gas desulfurization system | |
| CN202835339U (en) | Rotary air pre-heater wind sealing device of circulating fluidized bed boiler | |
| CN204267730U (en) | Gas pipe line on-line rinsing seal arrangement | |
| CN203927986U (en) | Continuous rotary high-temperature heat-exchanging hermetically-sealed construction | |
| CN206463769U (en) | SNCR high-efficiency mixed flow devices | |
| CN103982907A (en) | Sealing structure for continuous rotary high-temperature heat exchanger | |
| CN205534628U (en) | Combustion engine exhaust -heat boiler wall pipe high temperature expansion festival | |
| CN204513422U (en) | Steam blast cap soot blower system | |
| CN200975264Y (en) | Labyrinth sealing | |
| CN202582225U (en) | Smelting furnace | |
| CN207741138U (en) | Prevent the gas-tight sealing that flue gas pours in down a chimney | |
| CN203307298U (en) | Gas seal device for gas furnace with stoker | |
| CN210638058U (en) | Positive pressure sealing device of soot blower | |
| CN207122616U (en) | The compression ring liquid packing device of Regenerative Combustion System rotating type change valve | |
| CN205587124U (en) | Coal pulverizer sealing device with reduce coal pulverizer air leakage coefficient function | |
| CN214307178U (en) | Air sealing device for central cylinder of rotary air preheater | |
| CN205535884U (en) | Hearth steam soot blower | |
| CN201250791Y (en) | Water sealing system for gas compressor | |
| CN205535888U (en) | Low -level (stack -gas) economizer overhauls device on line | |
| CN203104232U (en) | Air-leakage maintenance apparatus for under-pressure plugging generator end cover | |
| CN217559873U (en) | Hot primary air baffle sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BIHAIZHOU (BEIJING) ENERGY SAVING AND ENVIRONMENTA Free format text: FORMER NAME: BIHAIZHOU (BEIJING) PETROCHEMICAL EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100029 Beijing city Chaoyang District Xiaoguan Beili 45 Jiayuan century No. 5 Building 7 layer Patentee after: Bi Haizhou (Beijing) energy saving environmental protection equipment Co., Ltd. Address before: 100029 Beijing city Chaoyang District Xiaoguan Beili 45 Jiayuan century No. 5 Building 7 layer Patentee before: Bihaizhou (Beijing) Petrochemical Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |