CN207213198U - A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve - Google Patents
A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve Download PDFInfo
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- CN207213198U CN207213198U CN201721085197.9U CN201721085197U CN207213198U CN 207213198 U CN207213198 U CN 207213198U CN 201721085197 U CN201721085197 U CN 201721085197U CN 207213198 U CN207213198 U CN 207213198U
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Abstract
The utility model discloses a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve, avoid valve page stuck when high temperature deformation, it is ensured that valve execution action is smooth；It is in close contact between valve page and boss, seal form is set to be changed into end face seal, drastically increase sealing property of the high-temperature valve in RTO runnings, avoid substantially reducing gas leakage possibility while valve page is stuck, the loss of system thermal is reduced, improves the thermal efficiency of heat accumulating type organic exhaust gas oxidation furnace, the utility model apparatus structure is simple, it is easy to make, is adapted to promote the use of.
Description
Technical field
The utility model belongs to thermal accumulating incinerator technical field, and in particular to a kind of heat accumulating type organic exhaust gas oxidation furnace is used
High temperature valve.
Background technology
Heat accumulating type organic exhaust gas oxidation furnace (Regenerative Thermal Oxidizer) abbreviation RTO, it is to utilize volatilization
Property organic exhaust gas (Volatile Organic Compounds abbreviation VOCs) more than 750 DEG C when with air in oxygen produce
Chemical reaction, generate CO2And H2O principle, decompose a kind of VOCs equipment.RTO equipment is broadly divided into three portions from bottom to top
Point：Bottom is into and out gas and divides gas part, and middle part is by the accumulation of heat body portion of heat storage, and top is VOCs oxidation Decompositions portion
Point.Upper part is referred to as RTO combustion chamber, and when RTO equipment is run, the normal temperature of internal gas is 750 DEG C~850 for combustion chamber
Within the scope of DEG C, if it exceeds 850 DEG C, combustion chamber may will produce the situation of damage, so needing setting one in combustion chamber
Individual overtemperature gas discharge channel, cool for combustion chamber during for chamber temperature more than 850 DEG C.
It is stuck during rotation to prevent high-temperature valve valve page from deforming in the case of a high temperature, it can consider to reserve when being typically designed valve body
The high-temperature expansion amount of valve page and valve shaft, inevitably results in and gap between valve body and valve page be present, in the case of a high temperature, just has height
Wet body flows out, and increases temperature control difficulty, wasted heat, is unfavorable for saving.
Utility model content
In order to solve the problems, such as above-mentioned long-standing problem RTO hot-gas channels valve heat leak, the purpose of this utility model
It is to provide a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve, by using end face seal in structure, high-temperature valve is existed
In RTO runnings, close tighter, substantially reduce leakage possibility, the leakage of high-temperature valve is reduced not stuck while
Rate, reduce the loss of system thermal.
To achieve these goals, the technical solution adopted in the utility model is：A kind of heat accumulating type organic exhaust gas oxidation furnace
With high temperature valve, including valve buckle, heat-insulation layer is provided with valve buckle, valve page, heat-insulation layer inwall and valve page are additionally provided with heat-insulation layer
Between be provided with gap, axle is connected through valve buckle with valve page fixing；Heat-insulation layer inwall is provided with boss, and boss is divided into by boundary of axle
Convex platform and lower convex platform；When valve is closed, the front face of convex platform and valve page, the back side of lower convex platform and valve page connects
Touch.
Sealing gasket is provided between boss and valve page.
The thickness that boss stretches out heat-insulation layer is more than 10mm；
Gap between heat-insulation layer inwall and valve page is 5-20mm；
Also include the actuator for being connected to axle power intake.
Horizontal range between convex platform and lower convex platform is equal with valve page thickness.
Two opposite faces of valve buckle are provided with support base, and the bearing for support shaft is provided with support base.
Heat-insulation layer is high temperature resistant castable or heat-preservation cotton.
Square with the axis reinforcement is provided with valve page.
Compared with prior art, the utility model at least has the advantages that：Heat-insulation layer is provided with valve buckle, is incubated
Valve page is set in layer, gap is provided between heat-insulation layer inwall and valve page, axle is connected through valve buckle with valve page fixing, avoids valve page
It is stuck when high temperature deformation, it is ensured that valve execution action is smooth；Heat-insulation layer inwall is provided with boss, and boss is using axle as boundary point
For convex platform and lower convex platform；When valve is closed, the front face of convex platform and valve page, the back side of lower convex platform and valve page
Contact, is in close contact between valve page and boss, seal form is changed into end face seal, avoid gas from leaking, significantly reduce
The released gas rate of high-temperature valve, by using said structure design, in the production process of reality, set valve page and heat-insulation layer it
Between gap when, without consider further that valve page expansion when need with being bonded between heat-insulation layer inwall the problem of, reduce design and system
Difficulty is made, improves yields, the equipment of production has high job stability.
Further, sealing gasket is set to strengthen sealing effectiveness between boss and valve page.
Further, the thickness of boss stretching heat-insulation layer is more than 10mm, makes have enough contact surfaces between boss and valve page
Product, avoids boss by conquassation, while ensure sealing effectiveness.
Further, the gap between heat-insulation layer inwall and valve page is 5-20mm, valve page is gone back in the case of thermal deformation
It can rotate freely.
Further, the horizontal range between convex platform and lower convex platform is equal with valve page thickness, it is ensured that valve is when closed
Valve page is in vertical state.
Further, high temperature resistant castable or heat-preservation cotton are conventional insulation material, are adapted to do the heat-insulation layer in high-temperature valve,
It is readily available, and cost is low.
Further, square with the axis reinforcement is provided with valve page, improves valve page intensity, can effectively reduce the thickness of valve page
Degree, save raw material.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is Fig. 1 A-A schematic cross-sectional views.
Fig. 3 is Fig. 1 B-B schematic cross-sectional views.
In accompanying drawing：1- actuators, 2- spring bearings, 3- valve buckles, 4- heat-insulation layers, 5- support bases, 6- axles, 7- valve pages, on 81-
Boss, 82- lower convex platforms.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve, including valve buckle 3, it is provided with valve buckle 3
Heat-insulation layer 4, heat-insulation layer 4 are high temperature resistant castable or heat-preservation cotton；Valve page 7, the inwall of heat-insulation layer 4 and valve are additionally provided with heat-insulation layer 4
Gap is provided between page 7, axle 6 is fixedly connected through valve buckle 3 with valve page 7, the support base 5 of two opposite faces setting of valve buckle 3,
The bearing 2 for support shaft 6 is provided with support base 5.
As shown in Fig. 2 also include the actuator 1 for being connected to the power intake of axle 6.
As shown in figure 3, the inwall of heat-insulation layer 4 is provided with boss, boss is that boundary is divided into convex platform 81 and lower convex platform 82 with axle 6；
When valve is closed, the front face of convex platform 81 and valve page 7, the rear-face contact of lower convex platform 82 and valve page 7；Boss with
Sealing gasket is provided between valve page 7, in preferred embodiment of the present utility model, the thickness that boss stretches out heat-insulation layer 4 is more than
10mm, less than heat-insulation layer 4 inwall and axle 6 the distance between, ensureing valve to be in when opening can ventilate；In heat-insulation layer 4
Gap between wall and valve page 7 is 5-20mm, and the horizontal range between convex platform 81 and lower convex platform 82 is equal with the thickness of valve page 7,
Heat-insulation layer 4 is provided with two sections boss structure, for make valve page 7 close when end face and heat-insulation layer 4 boss contact, play sealing
Effect, this termination of structure valve page 7 can leave sufficient clearance with heat-preservation cotton 4, be unlikely to cause stuck situation during high temperature deformation, and
And and can reaches the effect of sealing.
During the utility model use, the drive shaft 6 of opening executer 1, and then drive valve page 7 to rotate and divide with boss
Open, valve is opened, and forms bleed passage, chamber temperature is reduced by discharging high-temperature gas；Safe temperature is down in temperature
When following, be again started up the drive shaft 6 of actuator 1 and drive valve page 7 to rotate, the positive and negative of valve page 7 respectively with convex platform 81 and under it is convex
Platform 82 is in close contact, and seal form is changed into end face seal, is closed valve, closes actuator 1；Valve page 7 and boss
Between be provided with sealing gasket, the sealing effectiveness that sealing gasket further improves, avoid gas from leaking, significantly reduce high-temperature valve
Released gas rate.
In preferred embodiment of the present utility model, the reinforcement vertical with axle 6 is provided with valve page 7.
Claims (9)
1. a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve, it is characterised in that including valve buckle (3), set in valve buckle (3)
There is heat-insulation layer (4), be additionally provided with valve page (7) in heat-insulation layer (4), gap is provided between heat-insulation layer (4) inwall and valve page (7),
Axle (6) is fixedly connected through valve buckle (3) with valve page (7)；Heat-insulation layer (4) inwall is provided with boss, and boss is divided into axle (6) for boundary
Convex platform (81) and lower convex platform (82)；When valve is closed, the front face of convex platform (81) and valve page (7), under it is convex
The rear-face contact of platform (82) and valve page (7).
A kind of 2. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that boss with
Valve page is provided with sealing gasket between (7).
3. a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that boss is stretched
The thickness for going out heat-insulation layer (4) is more than 10mm.
A kind of 4. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that heat-insulation layer
(4) gap between inwall and valve page (7) is 5-20mm.
5. a kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that also include
It is connected to the actuator (1) of axle (6) power intake.
A kind of 6. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that convex platform
(81) horizontal range between lower convex platform (82) is equal with valve page (7) thickness.
A kind of 7. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that valve buckle
(3) two opposite faces are provided with support base (5), and the bearing (2) for support shaft (6) is provided with support base (5).
A kind of 8. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that heat-insulation layer
(4) it is high temperature resistant castable or heat-preservation cotton.
A kind of 9. heat accumulating type organic exhaust gas oxidation furnace high temperature valve according to claim 1, it is characterised in that valve page
(7) reinforcement vertical with axle (6) is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085197.9U CN207213198U (en) | 2017-08-28 | 2017-08-28 | A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085197.9U CN207213198U (en) | 2017-08-28 | 2017-08-28 | A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve |
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| Publication Number | Publication Date |
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| CN207213198U true CN207213198U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085197.9U Active CN207213198U (en) | 2017-08-28 | 2017-08-28 | A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701735A (en) * | 2017-08-28 | 2018-02-16 | 西安昱昌环境科技有限公司 | A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve |
-
2017
- 2017-08-28 CN CN201721085197.9U patent/CN207213198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701735A (en) * | 2017-08-28 | 2018-02-16 | 西安昱昌环境科技有限公司 | A kind of heat accumulating type organic exhaust gas oxidation furnace high temperature valve |
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