CN103438239A - Waste heat power generation large-size fume reversing three-way flapper valve - Google Patents
Waste heat power generation large-size fume reversing three-way flapper valve Download PDFInfo
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- CN103438239A CN103438239A CN2013103940796A CN201310394079A CN103438239A CN 103438239 A CN103438239 A CN 103438239A CN 2013103940796 A CN2013103940796 A CN 2013103940796A CN 201310394079 A CN201310394079 A CN 201310394079A CN 103438239 A CN103438239 A CN 103438239A
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Abstract
The invention discloses a waste heat power generation large-size fume reversing three-way flapper valve, belonging to the technical field of valves. The three-way flapper valve comprises a valve body, a valve plate, a transmission assembly, an elastic seal assembly, a main shaft and driving mechanisms, wherein the valve body is provided with the valve plate; the valve plate adopts a box body structure; the valve plate is provided with the elastic seal assembly; the valve body is provided with the main shaft; the main shaft is provided with the transmission assembly; both ends of the transmission assembly are respectively connected with the valve body and the valve plate to form a four-link structure; and both ends of the main shaft are provided with the driving mechanisms. The waste heat power generation large-size fume reversing three-way flapper valve has the advantages of favorable sealing property, flexible main shaft transmission, high loading capacity and high safe reliability, is easy to operate and maintain and suitable for popularization in production, and has favorable practicality.
Description
Technical field
The invention belongs to valve technology field, be specifically related to the large-scale flue gas commutation of a kind of cogeneration three-way baffle plate valve.
Background technique
The large-scale flue gas commutation of cogeneration three-way baffle plate valve, be mounted between main line and cogeneration production line, the flue gas flow direction produced in order to control main line, it is the switching valve of flue gas flow direction waste heat production line or chimney, its operating temperature is generally 500 ℃ of left and right, when residual heat system need to overhaul, pipeline needs reliable valve to seal it off, block the main line high-temperature flue gas and enter residual heat system, after residual heat system has overhauled, valve plate is switched to the chimney entrance location, close the chimney import, allow high-temperature flue gas carry out the cogeneration production line, reaching the secondary utilization is cogeneration, as the pressurizing point fuel gas generation exhaust heat recovery power generation in the natural gas transport process.Therefore very high to the inside and outside leakage requirement of valve of installing herein, bore is large, and pipeline section is at 3m
3above, existing market is most of, and what adopt is respectively to fill a valve in waste heat import and chimney import link and realize the control break-make by electric part, this control relative complex, and there is a risk of certain misoperation, and general flue gas butterfly valve or gate valve internal leakage be difficult to be reached for 0, can't meet seal request fully.
Summary of the invention
Goal of the invention: the object of the present invention is to provide the large-scale flue gas commutation of a kind of cogeneration three-way baffle plate valve, in the time of simplified apparatus, safe and reliable, good seal performance.
Technological scheme: for achieving the above object, the technical solution used in the present invention is:
The large-scale flue gas commutation of a kind of cogeneration three-way baffle plate valve, comprise valve body, valve plate, transmitting assemblies, elastic packing assembly, main shaft and driving mechanism, on described valve body, is provided with valve plate, and valve plate adopts housing structure; Be provided with the elastic packing assembly on valve plate; Be provided with main shaft on valve body, be provided with transmitting assemblies on main shaft, the two ends of transmitting assemblies are connected respectively with valve plate with valve body, form four-bar linkage structure; Two ends at main shaft are equipped with driving mechanism.
Be provided with the locking mechanism that coordinates principal shaft locking on described valve body, locking mechanism is comprised of electric actuator, lock shaft, locking block and rolling bearing units, adopts labyrinth seal and packing seal between described lock shaft and valve body.
Described main shaft is arranged on valve body by selfaligning roller bearing, adopts labyrinth seal and packing seal between valve body and main shaft.
Described elastic packing assembly is bolted on valve plate.
Inwall at described valve body is lined with thermal insulating material, wall liner one deck corrosion resistant plate in thermal insulating material.
Beneficial effect: compared with prior art, the large-scale flue gas commutation of cogeneration of the present invention three-way baffle plate valve, not only good seal performance, spindle is flexible, and bearing capacity is strong, and safety reliability is high, and easy operating and maintenance, suitablely in producing running, apply, there is good practicability.
The accompanying drawing explanation
Fig. 1 is the structural representation of the large-scale flue gas commutation of cogeneration three-way baffle plate valve;
Fig. 2 is the plan view of the large-scale flue gas commutation of cogeneration three-way baffle plate valve;
Fig. 3 is the I section enlarged view of the large-scale flue gas commutation of cogeneration three-way baffle plate valve.
Embodiment
Below in conjunction with accompanying drawing, technical solution of the present invention is described, but protection scope of the present invention is not limited to described embodiment.
As shown in Figure 1, Figure 2 and Figure 3, the large-scale flue gas commutation of cogeneration three-way baffle plate valve, comprise valve body 1, valve plate 2, transmitting assemblies 3, elastic packing assembly 4, main shaft 5, driving mechanism 6 and locking mechanism 7, valve body 1 is welded by carbon constructional quality steel, inwall at valve body 1 is lined with thermal insulating material, wall liner one deck corrosion resistant plate in thermal insulating material; Valve plate 2 adopts housing structure; Transmitting assemblies 3 adopts quadratic crank mechanism; Elastic packing assembly 4 is arranged on 2 two maximum planes surroundings of valve plate continuously, and fixing with stainless steel bolt and valve plate 2, single Stamping Steel Ribbon cross section is that open type is trapezoidal; Main shaft 5 selects stainless steel to make, and two ends are by being arranged on the selfaligning roller bearing supporting on valve body 1, between main shaft 5 and valve body 1, adopts labyrinth seal to add that packing seal combines, and while guaranteeing that main shaft 5 rotates, flue gas is without external leakage; Driving mechanism 6 can select Driven by Hydraulic Cylinder or electric actuator to drive, and while selecting Driven by Hydraulic Cylinder, adopts both-end to drive, and selects electric actuator to drive and adopts single-ended drive; Locking mechanism 7 is comprised of electric actuator, lock shaft, locking block, rolling bearing units etc., and lock shaft and locking block are made of stainless steel, between lock shaft and valve body 1, adopts labyrinth seal and packing seal to combine, and while guaranteeing main shaft 5 rotation, flue gas is without external leakage; Wherein, two smoke outlets are provided with stainless steel valve port and inflation inlet.
Working procedure: transmitting assemblies 3 is quadratic crank mechanism, by two bar connecting rods and valve plate 2, valve body 1, forms quadratic crank mechanism; Elastic packing assembly 4 adopts the super stainless steel bending to make, and cross section is that open type is trapezoidal; Between main shaft 5 and valve body 1, the seal form that all adopts labyrinth seal and packing seal to combine between lock shaft and valve body 1; Sealing in realizing by high-pressure air, sealability is high; By selfaligning roller bearing, support, main shaft 5 ensuring smooth transmission, the aligning ability, bearing capacity is strong; Locking mechanism 7 increases the long-term valve working reliability when cutting out the vertical outlet position of valve plate 2.
The large-scale flue gas of this cogeneration commutation three-way baffle plate valve, good seal performance not only, spindle is flexible, and bearing capacity is strong, and safety reliability is high, and easy operating and maintenance, suitablely in producing running, applies, and has good practicability.
Claims (5)
1. the large-scale flue gas commutation of cogeneration three-way baffle plate valve, it is characterized in that: comprise valve body (1), valve plate (2), transmitting assemblies (3), elastic packing assembly (4), main shaft (5) and driving mechanism (6), be provided with valve plate (2) on described valve body (1), valve plate (2) adopts housing structure; Be provided with elastic packing assembly (4) on valve plate (2); Be provided with main shaft (5) on valve body (1), be provided with transmitting assemblies (3) on main shaft (5), the two ends of transmitting assemblies (3) are connected respectively with valve plate (2) with valve body (1), form four-bar linkage structure; Be equipped with driving mechanism (6) at the two ends of main shaft (5).
2. the large-scale flue gas of cogeneration according to claim 1 commutation three-way baffle plate valve, it is characterized in that: be provided with the locking mechanism (7) that coordinates main shaft (5) locking on described valve body (1), locking mechanism (7) is comprised of electric actuator, lock shaft, locking block and rolling bearing units, adopts labyrinth seal and packing seal between described lock shaft and valve body (1).
3. the large-scale flue gas of cogeneration according to claim 1 commutation three-way baffle plate valve, it is characterized in that: it is upper that described main shaft (5) is arranged on valve body (1) by selfaligning roller bearing, adopts labyrinth seal and packing seal between valve body (1) and main shaft (5).
4. the large-scale flue gas of cogeneration according to claim 1 commutation three-way baffle plate valve, it is characterized in that: described elastic packing assembly (4) is bolted on valve plate (2).
5. the large-scale flue gas of cogeneration according to claim 1 commutation three-way baffle plate valve, it is characterized in that: the inwall at described valve body (1) is lined with thermal insulating material, wall liner one deck corrosion resistant plate in thermal insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103940796A CN103438239A (en) | 2013-09-03 | 2013-09-03 | Waste heat power generation large-size fume reversing three-way flapper valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103940796A CN103438239A (en) | 2013-09-03 | 2013-09-03 | Waste heat power generation large-size fume reversing three-way flapper valve |
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|---|---|
| CN103438239A true CN103438239A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103940796A Pending CN103438239A (en) | 2013-09-03 | 2013-09-03 | Waste heat power generation large-size fume reversing three-way flapper valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050288A (en) * | 2017-12-29 | 2018-05-18 | 扬州高标机械有限公司 | A kind of cogeneration large high-temperature double containment smoke valve |
| CN112963587A (en) * | 2021-03-01 | 2021-06-15 | 扬州高标机械有限公司 | Non-deformable's large-scale binary channels seal valve |
| CN113280156A (en) * | 2021-07-26 | 2021-08-20 | 南通宏耀锅炉辅机有限公司 | Improved three-way baffle valve for waste heat boiler |
| CN113483118A (en) * | 2021-07-03 | 2021-10-08 | 陈如岩 | Large-diameter three-way valve |
-
2013
- 2013-09-03 CN CN2013103940796A patent/CN103438239A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050288A (en) * | 2017-12-29 | 2018-05-18 | 扬州高标机械有限公司 | A kind of cogeneration large high-temperature double containment smoke valve |
| CN112963587A (en) * | 2021-03-01 | 2021-06-15 | 扬州高标机械有限公司 | Non-deformable's large-scale binary channels seal valve |
| CN113483118A (en) * | 2021-07-03 | 2021-10-08 | 陈如岩 | Large-diameter three-way valve |
| CN113280156A (en) * | 2021-07-26 | 2021-08-20 | 南通宏耀锅炉辅机有限公司 | Improved three-way baffle valve for waste heat boiler |
| CN113280156B (en) * | 2021-07-26 | 2021-09-17 | 南通宏耀锅炉辅机有限公司 | Improved three-way baffle valve for waste heat boiler |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |