CN107269924A - A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace - Google Patents
A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace Download PDFInfo
- Publication number
- CN107269924A CN107269924A CN201710547422.4A CN201710547422A CN107269924A CN 107269924 A CN107269924 A CN 107269924A CN 201710547422 A CN201710547422 A CN 201710547422A CN 107269924 A CN107269924 A CN 107269924A
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- China
- Prior art keywords
- valve
- air
- exhaust gas
- cooled
- high temperature
- 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.)
- Pending
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 18
- 230000003647 oxidation Effects 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 230000009183 running Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 241000219146 Gossypium Species 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
Abstract
The invention discloses a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace, including valve shaft and housing, valve page is provided with valve shaft, hull outside is provided with air-cooled passage, the outlet of air-cooled passage is connected with the axle sleeve being arranged on valve shaft, axle sleeve outlet just to valve page, is provided with gap between valve shaft and axle sleeve.It is an object of the invention to provide a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace, by being cooled in structure using air-cooled passage to valve page and valve shaft, make high-temperature valve in RTO runnings, valve page and valve shaft temperature are substantially reduced, the thermal expansion amount of valve page and valve shaft is reduced, the service life of high-temperature valve is improved.
Description
Technical field
The invention belongs to thermal accumulating incinerator technical field, and in particular to a kind of heat accumulating type organic exhaust gas oxidation furnace is with air-cooled
High temperature valve.
Background technology
Heat accumulating type organic exhaust gas oxidation furnace (Regenerative Thermal Oxidizer) abbreviation RTO, 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, generates CO2And H2O principle, decomposes 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 point gas part, and middle part is that, by the accumulation of heat body portion of heat storage, top is VOCs oxidation Decompositions portion
Point.Upper part is referred to as RTO combustion chamber, and combustion chamber is when RTO equipment is run, and the normal temperature of internal gas is 750 DEG C~850
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, cools during for chamber temperature more than 850 DEG C for combustion chamber.The air-cooled high-temperature valves of RTO are arranged on
High-temperature gas discharge-channel is close to the place of combustion chamber, for realizing overtemperature exhaust, reducing the function of burning indoor temperature.High temperature
Valve long-term work is under 800 DEG C or so of hot environment, and working condition is severe, and valve page and valve shaft easily occur heat fatigue and heat and become
Shape jam phenomenon.
To reduce high-temperature valve high-temperature oxydation and thermal stress deformation, both at home and abroad generally using water cooling and covering cast fire proofed wood
The mode of material reduces the temperature of valve body components, though there is certain cooling-down effect, water resources consumption is more, and the water pipe that cools easily is produced
Scale, cooling-water duct internal diameter is diminished or even is blocked, and valve page covering the covering of pouring fireproof material and valve page loosely,
Thermal expansion amount is different, easily peels off, damages with valve page in thermal cycle, causes high-temperature valve not cool, valve is damaged, service life
Reduce.
The content of the invention
In order to solve the technical barrier that above-mentioned long-standing problem RTO hot-gas channels valve can not be used normally for a long time, this
The purpose of invention there is provided a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace, by using air-cooled in structure
Passage cools to valve page and valve shaft, makes high-temperature valve in RTO runnings, and valve page and valve shaft temperature are substantially reduced, and are reduced
The thermal expansion amount of valve page and valve shaft, improves the service life of high-temperature valve.
To achieve these goals, the technical solution adopted by the present invention is：A kind of heat accumulating type organic exhaust gas oxidation furnace wind
Valve page is provided with cold high temperature valve, including valve shaft and housing, valve shaft, hull outside is provided with air-cooled passage, air-cooled passage
Export and connected with the axle sleeve being arranged on valve shaft, axle sleeve outlet just to valve page, is provided with gap between valve shaft and axle sleeve.
Valve shaft two ends are respectively arranged with that the cooling air-flow connected with internal axis hole enters hole and cooling air-flow is portalled.
The other end is disposed with housing from inside to outside and is provided with thermostable high-alumina pouring layer and heat-preservation cotton layer.
It is provided with channel-section steel outside housing, channel-section steel is sealed with housing junction, channel-section steel is internally formed connect with axle sleeve air-cooled and led to
Road.
Axle sleeve is provided with two, and two axle sleeves are symmetricly set on valve shaft on valve page, are formed between channel-section steel and housing
Air-cooled passage is divided into disconnected two passages, and each passage connects an axle sleeve.
An air inlet is provided with each passage.
Valve shaft uses stainless steel 310S hollow shafts, and valve shaft and valve page use stainless steel 310S materials.
There is gap between axle sleeve and valve shaft.
Compared with prior art, the present invention is at least had the advantages that, gap is provided between axle sleeve and valve shaft, and
Axle sleeve is connected with the air-cooled passage for being passed through cooling air-flow, and axle sleeve outlet, can be effective when being passed through cooling air-flow just to valve page
Effective cooling carried out simultaneously to valve page and valve shaft, valve page and valve shaft temperature are substantially reduced, and reduce the heat of valve page and valve shaft
Swell increment, improves the service life of high-temperature valve；Moreover, the present invention reasonable in design, will not to valve shaft and valve page
Operation is impacted and changed, and is easy to promotion and implementation.
Further, valve shaft is hollow shaft, enters hole by cooling air-flow and cooling air-flow is injected into the hollow hole of valve shaft, is increased
The strong cooling-down effect to valve shaft, so as to also can effectively strengthen the cooling-down effect of valve page.
Further, two axle sleeves are symmetrical arranged relative to valve page, valve page can be cooled from both direction, be lifted
Cooling rate, strengthens cooling-down effect.
Further, by setting channel steel shape to become a common practice outside housing, cold passage is simple in construction, and stress is good, is structural section in itself
Material, whole channel-section steel is compared with other materials, and welding capacity is small, is influenceed to greatly reduce by high temperature deformation.
Further, the gap between axle sleeve and valve shaft is fixed, and too small meeting high temperature deformation, axle is flexible stuck, crosses conference
Cause high warm air to be revealed from axle sleeve, cause external bearings stuck, while also result in the waste of heat energy.
Further, the deflection of castable is small, has close cooperation between valve page, reduces heat energy leakage rate, prevent
On the one hand heat transfer avoids energy waste to shell, on the other hand avoids skin temperature is too high from causing to scald.
Brief description of the drawings
The front view of Fig. 1 present invention.
The side view of Fig. 2 present invention.
In accompanying drawing：1- housings, 2- heat-preservation cottons, 3- high temperature resistant pouring layers, 4- channel-section steels, 5- air inlets, 6- axle sleeves, 7- valve shafts,
8- valves page.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, the present invention includes valve shaft 7 and housing 1, and valve shaft 7 uses stainless steel 310S hollow shafts, valve shaft 7
On be provided with valve page 8, valve page 8 uses stainless steel 310S materials, and the outside of housing 1 is provided with air-cooled passage, the outlet of air-cooled passage
Connected with the axle sleeve 6 being arranged on valve shaft 7, axle sleeve 6 is exported just to valve page 8, and gap, gap are provided between valve shaft 7 and axle sleeve 6
For 1~10mm；Axle sleeve 6 is provided with two, and two axle sleeves 6 are symmetricly set on valve shaft 7 on valve page 8, channel-section steel 4 and housing 1 it
Between the air-cooled passage that is formed be divided into disconnected two passages, each passage is connected to be provided with an axle sleeve 6, each passage
One air inlet 5；The two ends of valve shaft 7 are respectively arranged with that the cooling air-flow connected with internal axis hole enters hole and cooling air-flow is portalled；
The other end is disposed with housing 1 from inside to outside and is provided with thermostable high-alumina pouring layer 3 and heat-preservation cotton layer 2, shell
Channel-section steel 4 is provided with outside body 1, channel-section steel 4 is sealed with the junction of housing 1, and channel-section steel 4 is internally formed the air-cooled passage connected with axle sleeve 6.
The present invention is at least had the advantages that, gap is provided between axle sleeve and valve shaft, and axle sleeve is passed through with being used for
The air-cooled passage connection of cooling air-flow, axle sleeve outlet is just to valve page, when being passed through cooling air-flow, can be effectively to valve page and valve shaft
Effectively cooled simultaneously, valve page and valve shaft temperature are substantially reduced, reduce the thermal expansion amount of valve page and valve shaft, improve height
The service life of warm valve；Moreover, the reasonable in design of the present invention, will not impact and change to the operation of valve shaft and valve page
Become, be easy to promotion and implementation.
Claims (8)
1. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace, it is characterised in that：Including valve shaft (7) and housing (1),
It is provided with valve shaft (7) on the outside of valve page (8), housing (1) and is provided with air-cooled passage, the outlet of air-cooled passage is with being arranged on valve shaft
(7) axle sleeve (6) connection on, axle sleeve (6) outlet is provided with gap just to valve page (8) between valve shaft (7) and axle sleeve (6).
2. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 1, it is characterised in that valve
Axle (7) two ends are respectively arranged with that the cooling air-flow connected with internal axis hole enters hole and cooling air-flow is portalled.
3. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 1, it is characterised in that shell
The other end is disposed with body (1) from inside to outside and is provided with thermostable high-alumina pouring layer (3) and heat-preservation cotton layer (2).
4. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 1, it is characterised in that shell
Channel-section steel (4) is provided with outside body (1), channel-section steel (4) is sealed with housing (1) junction, and channel-section steel (4) is internally formed to be connected with axle sleeve (6)
Air-cooled passage.
5. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 4, it is characterised in that axle
Set (6) is provided with two, and two axle sleeves (6) are symmetricly set on valve shaft (7) on valve page (8), channel-section steel (4) and housing (1) it
Between the air-cooled passage that is formed be divided into disconnected two passages, each passage connects an axle sleeve (6).
6. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 4, it is characterised in that every
An air inlet (5) is provided with individual passage.
7. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 1, it is characterised in that valve
Axle (7) uses stainless steel 310S hollow shafts, and valve shaft (7) and valve page (8) use stainless steel 310S materials.
8. a kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace according to claim 1, it is characterised in that：Axle
It is 1~10mm to cover the gap between (6) and valve shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547422.4A CN107269924A (en) | 2017-07-06 | 2017-07-06 | A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547422.4A CN107269924A (en) | 2017-07-06 | 2017-07-06 | A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269924A true CN107269924A (en) | 2017-10-20 |
Family
ID=60071746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547422.4A Pending CN107269924A (en) | 2017-07-06 | 2017-07-06 | A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269924A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037546Y (en) * | 2006-09-22 | 2008-03-19 | 洛阳维信特种设备有限公司 | Fire resistant fast pneumatic butterfly valve device |
| CN204187113U (en) * | 2014-10-24 | 2015-03-04 | 浙江伟光泵阀制造有限公司 | A kind of high temperature regulation and control butterfly valve |
| CN104847905A (en) * | 2014-02-13 | 2015-08-19 | 博格华纳埃斯林根有限公司 | Hot gas valve, especially EGR valve |
| CN205689775U (en) * | 2016-06-26 | 2016-11-16 | 项云弟 | Rto high-temperature valve |
| CN206973039U (en) * | 2017-07-06 | 2018-02-06 | 西安昱昌环境科技有限公司 | A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace |
-
2017
- 2017-07-06 CN CN201710547422.4A patent/CN107269924A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037546Y (en) * | 2006-09-22 | 2008-03-19 | 洛阳维信特种设备有限公司 | Fire resistant fast pneumatic butterfly valve device |
| CN104847905A (en) * | 2014-02-13 | 2015-08-19 | 博格华纳埃斯林根有限公司 | Hot gas valve, especially EGR valve |
| CN204187113U (en) * | 2014-10-24 | 2015-03-04 | 浙江伟光泵阀制造有限公司 | A kind of high temperature regulation and control butterfly valve |
| CN205689775U (en) * | 2016-06-26 | 2016-11-16 | 项云弟 | Rto high-temperature valve |
| CN206973039U (en) * | 2017-07-06 | 2018-02-06 | 西安昱昌环境科技有限公司 | A kind of air-cooled high temperature valve of heat accumulating type organic exhaust gas oxidation furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |