CN103883793A - High-temperature ventilating valve - Google Patents
High-temperature ventilating valve Download PDFInfo
- Publication number
- CN103883793A CN103883793A CN201410119703.6A CN201410119703A CN103883793A CN 103883793 A CN103883793 A CN 103883793A CN 201410119703 A CN201410119703 A CN 201410119703A CN 103883793 A CN103883793 A CN 103883793A
- Authority
- CN
- China
- Prior art keywords
- valve
- support
- valve shaft
- valve body
- shaft
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 33
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
Abstract
A high-temperature ventilating valve comprises a cylindrical valve body, a flange, a check ring, blades, a valve shaft, a support, a welding support, a support reinforcing plate, a high-temperature air valve heat-insulating transmission mechanism, an actuator fixing plate and a valve shaft sealing mechanism. The high-temperature air valve heat-insulating transmission mechanism comprises an actuator transmission shaft and a coupler. The valve shaft sealing mechanism comprises a sealing nut, two pressing pipes, a thread sealing pipe and a ceramic fiber sealing rope, the two pressing pipes and the ceramic fiber sealing rope are placed in the thread sealing pipe, and the two pressing pipes are located on the two sides of the ceramic fiber sealing rope respectively. The high-temperature ventilating valve has the prominent advantages of being long in service life and not prone to deformation, and the heat insulating performance of an actuator is excellent.
Description
Technical field
The present invention relates to high-temperature ventilating pipeline valve field, relate in particular to a kind of high-temperature ventilating valve.
Background technique
Along with the develop rapidly of modern science and technology and modern industry, the application of high-temperature ventilating valve is more and more extensive, and the pipe-line system that carries high temperature fluid is increasing.The appearance of the requirement of pipe-line system and new material and new process, has opened up the application of high-temperature ventilating valve.Because various physical properties, the mechanical property of material under high temperature condition all will change, cause High temperature valve to select to there is very large difference compared with Subzero valve or normal temperature valve with material in structural design.
Industry particularly automobile industry waste gas pollution control and treatment, UTILIZATION OF VESIDUAL HEAT IN is more and more universal, is also more and more taken seriously, and has 800 ℃ of-1100 ℃ of high-temperature gases of large flow in governing system.High-temperature ventilating valve just becomes requisite parts in high-temp waste gas improvement and recycling like this, at automobile industry RTO (heat accumulating type heating power incinerator, Regenerative Thermal Oxidizer is referred to as " RTO ") in exhaust treatment system, need one can continue heatproof 800-900 ℃, intermittently maximum temperature reaches the Electric air valve of 1200 ℃.There is following problem in current high-temperature ventilating valve: (1) valve shaft is yielding; (2) due to heat conduction, final controlling element is overheated, fragile; (3) limited by spatial structure, it is inapplicable that common valve outside adds cooling system.
Summary of the invention
For the problems referred to above, the invention provides a kind of long service life, not yielding, to the well-insulated high-temperature ventilating valve of final controlling element.
For achieving the above object, technological scheme of the present invention is as follows:
High-temperature ventilating valve, comprising: columnar valve body, flange, back-up ring, blade, valve shaft, support, welding support, the adiabatic driving mechanism of high temperature air-valve, final controlling element fixed plate and valve shaft sealing mechanism, the adiabatic driving mechanism of described high temperature air-valve, comprising: final controlling element transmission shaft, coupling, and final controlling element transmission shaft is fixed in the circular hole in the middle of final controlling element fixed plate, and its coupling is connected with valve shaft, blade pass is crossed valve shaft and is connected on valve body, uses bolton between valve shaft and blade, back-up ring is placed in valve body, and be interrupted welding with valve interior wall, a described valve shaft part is placed in valve body, another part stretches out outside valve body, valve shaft outside valve body is sealed by valve shaft sealing mechanism, described valve shaft sealing mechanism, comprise: sealing nut, two compress pipe, thread seal pipe and ceramic fiber sealing cord, two compress pipe and ceramic fiber sealing cord be placed in thread seal pipe, and two compression pipes lay respectively at the both sides of ceramic fiber sealing cord, ceramic fiber sealing cord wraps up valve shaft, thread seal pipe and valve seal welding, valve shaft tail end is in blocking up with the axle of valve seal welding, described propping up is placed on the adiabatic driving mechanism of high temperature air-valve both sides, and is connected with final controlling element fixed plate, and described welding support is placed in the both sides of thread seal pipe, is connected respectively with valve body with support,
The mica mat that is all 15mm by thickness between described support and welding support, support and final controlling element fixed plate is connected;
Described valve body, adopts seamless steel pipe or strip volume to be welded;
Described valve body, blade, welding support and support gusset plate all adopt 06Cr25Ni20 material;
Described support adopts 06Cr19Ni10 material;
Adopt the sealing of ceramic fiber thermoinsulation material with the valve shaft that in the adiabatic driving mechanism of high temperature air-valve, coupling is connected;
Described support, welding support and support gusset plate all adopt orifice structure;
Described back-up ring contacts end face and is 30 ° of angles with valve shaft, and with valve shaft gap≤1.5mm;
Described high-temperature ventilating valve, also comprises support gusset plate, is placed in below thread seal pipe;
Described support gusset plate is two both sides that lay respectively at thread seal pipe, and its one end is connected with thread seal pipe, and the other end is connected with welding support.
Beneficial effect of the present invention is:
Above-mentioned high-temperature ventilating valve, structural rigidity is good, insulation effect is obvious, long service life, be conducive to the popularization of high-temp waste gas treatment technology, can be widely used in the high-temperature gas control and processing system of the industries such as automobile, electronics, chemical industry, the energy, petrochemical industry, iron and steel, electronic, the pneumatic actuator being connected with valve all can, and can not damage final controlling element because of heat conduction.
What the present invention adopted is by valve shaft tail end in stifled with the axle of valve seal welding, reduces the deformed damaged causing because valve shaft is long.
It between valve shaft and final controlling element transmission shaft, is the adiabatic driving mechanism of High temperature valve, the heat that guarantees valve shaft can not conduct to final controlling element, and has guaranteed transmission effect, and support, welding support and support gusset plate all adopt orifice structure, reduce heat conducting material area, and do not weaken support intensity.
Described valve shaft sealing mechanism, has guaranteed that valve internal heat can not leak, and can be by unclamping the thread seal pipe with sealing nut, and convenient realization changed the ceramic fiber sealing cord losing efficacy.
Mica adiabatic disks in the adiabatic driving mechanism of described High temperature valve has completely cut off the heat of valve shaft conduction, and has realized the compensation of valve shaft thermal distortion by coupling.
Accompanying drawing explanation
The present invention has accompanying drawing 3 width.
Fig. 1 is high-temperature ventilating valve topology view;
Fig. 2 is high-temperature ventilating valve plan view;
Fig. 3 is high-temperature ventilating valve valve shaft sealing view.
Sequence number explanation in figure: 1. valve body, 2. flange, 3. back-up ring, 4. blade, 5. valve shaft, 6. sealing nut, 7. compress pipe, 8. ceramic fiber sealing cord, 9. thread seal pipe, 10. welding support, 11. support gusset plates, 12. mica mats, 13. supports, the adiabatic driving mechanism of 14. high temperature air-valves, 15. final controlling element fixed plates, 16. final controlling element transmission shafts, 17. axles are stifled.
Embodiment
Below in conjunction with accompanying drawing 1-3, the present invention is further described:
High-temperature ventilating valve, comprising: columnar valve body 1, flange 2, back-up ring 3, blade 4, valve shaft 5, support 13, welding support 10, the adiabatic driving mechanism 14 of high temperature air-valve, final controlling element fixed plate 15 and valve shaft sealing mechanism, the adiabatic driving mechanism 14 of described high temperature air-valve, comprising: final controlling element transmission shaft 16, coupling, and final controlling element transmission shaft 16 is fixed in the circular hole in the middle of final controlling element fixed plate 15, and its coupling is connected with valve shaft 5, blade pass is crossed valve shaft 5 and is connected on valve body 1, between valve shaft 5 and blade 4 by bolton, back-up ring 3 is placed in valve body 1, and be interrupted welding with valve body 1 inwall, described valve shaft 5 parts are placed in valve body 1, another part stretches out outside valve body 1, valve shaft 5 outside valve body 1 is sealed by valve shaft sealing mechanism, described valve shaft sealing mechanism, comprise: sealing nut 6, two compress pipe 7, thread seal pipe 9 and ceramic fiber sealing cord 8, two compress pipe 7 and ceramic fiber sealing cord 8 be placed in thread seal pipe 9, and two compression pipes 7 lay respectively at the both sides of ceramic fiber sealing cord 8, ceramic fiber sealing cord 8 wraps up valve shaft 5, thread seal pipe 9 and valve body 1 seal welding, valve shaft 5 tail ends with the axle of valve body 1 seal welding stifled 17 in, described support 13 is placed in the adiabatic driving mechanism of high temperature air-valve 14 both sides, and is connected with final controlling element fixed plate 15, and described welding support 10 is placed in the both sides of thread seal pipe 9, is connected respectively with valve body 1 with support 13, the mica mat 12 that is all 15mm by thickness between described support 13 and welding support 10, support 13 and final controlling element fixed plate 15 is connected, described valve body 1, adopts seamless steel pipe or strip volume to be welded, described valve body 1, blade 4, welding support 10 and support gusset plate 11 all adopt 06Cr25Ni20 material, described support 13 adopts 06Cr19Ni10 material, adopt the sealing of ceramic fiber thermoinsulation material with the valve shaft 5 that in the adiabatic driving mechanism 14 of high temperature air-valve, coupling is connected, described support 13, welding support 10 and support gusset plate 11 all adopt orifice structure, described back-up ring 3 contacts end face and is 30 ° of angles with valve shaft 5, and with valve shaft 5 gaps≤1.5mm, also comprise support gusset plate 11, be placed in below thread seal pipe 9, described support gusset plate is two both sides that lay respectively at thread seal pipe 9, and its one end is connected with thread seal pipe 9, and the other end is connected with welding support 10.
Valve shaft sealing mechanism, has realized the sealing of pipeline gas; Valve shaft end stretches out valve body 1, and valve shaft 5 shortens, and has reduced the distortion that axial length causes; Valve shaft 5 and blade 4 bolton, valve shaft 5 is connected with the coupling in the adiabatic driving mechanism 14 of High temperature valve, to caused flexible the compensating of trace of valve shaft 5 by high temperature, final controlling element transmission shaft 16 is connected with final controlling element by final controlling element fixed plate 15, make the action of final controlling element pass to blade 4, thereby switch and the opening angle of realizing blade 4 change, back-up ring 3 is interrupted welding with valve body 1 inwall, back-up ring 3 contacts end face and is 30 ° of angles with valve shaft 5, and be not more than 1.5mm with valve shaft 5 gaps, to guarantee certain sealing, thereby realize the control to high-temperature gas; Between welding support 10 and support 13, are mica mats 12 that 15mm is thick, hexagon head bolt and hexagon nut all have the mica mat 12 and steel plate thermal insulation that 5mm is thick, between support 13 and final controlling element fixed plate 15, also there is the mica mat 12 that 15mm is thick, adopt crossed countersunk head screw fastening, nut end has mica mat 12 thermal insulation that 5mm is thick, completely cut off the heat coming from valve body 1 conduction, and the adiabatic driving mechanism 14 of high temperature air-valve eliminates the heat that valve shaft 5 conducts out, thereby avoided final controlling element to conduct the damage causing because of heat.
Long-time use, the effect of valve shaft sealing mechanism can reduce, and can turn on sealing nut 6, changes ceramic seal rope 8, thereby again reaches good sealing effect.
Claims (10)
1. high-temperature ventilating valve, it is characterized in that, comprising: columnar valve body (1), flange (2), back-up ring (3), blade (4), valve shaft (5), support (13), welding support (10), the adiabatic driving mechanism of high temperature air-valve (14), final controlling element fixed plate (15) and valve shaft sealing mechanism, the described adiabatic driving mechanism of high temperature air-valve (14), comprising: final controlling element transmission shaft (16), coupling, and final controlling element transmission shaft (16) is fixed in the circular hole in the middle of final controlling element fixed plate (15), and its coupling is connected with valve shaft (5), blade pass is crossed valve shaft (5) and is connected to valve body (1) above, uses bolton between valve shaft (5) and blade (4), back-up ring (3) is placed in valve body (1), and be interrupted welding with valve body (1) inwall, described valve shaft (5) part is placed in valve body (1), another part stretches out outside valve body (1), the outer valve shaft (5) of valve body (1) is sealed by valve shaft sealing mechanism, described valve shaft sealing mechanism, comprise: sealing nut (6), two compress pipe (7), thread seal pipe (9) and ceramic fiber sealing cord (8), two compression pipes (7) and ceramic fiber sealing cord (8) are placed in thread seal pipe (9), and two compression pipes (7) lay respectively at the both sides of ceramic fiber sealing cord (8), ceramic fiber sealing cord (8) wraps up valve shaft (5), thread seal pipe (9) and valve body (1) seal welding, valve shaft (5) tail end with the axle of valve body (1) seal welding stifled (17) in, described support (13) is placed in the adiabatic driving mechanism (14) of high temperature air-valve both sides, and is connected with final controlling element fixed plate (15), and described welding support (10) is placed in the both sides of thread seal pipe (9), is connected respectively with valve body (1) with support (13).
2. high-temperature ventilating valve according to claim 1, is characterized in that: the mica mat (12) that is all 15mm by thickness between described support (13) and welding support (10), support (13) and final controlling element fixed plate (15) is connected.
3. high-temperature ventilating valve according to claim 1, is characterized in that: described valve body (1), adopts seamless steel pipe or strip volume to be welded.
4. high-temperature ventilating valve according to claim 1, is characterized in that: described valve body (1), blade (4), welding support (10) and support gusset plate (11) all adopt 06Cr25Ni20 material.
5. high-temperature ventilating valve according to claim 1, is characterized in that: described support (13) adopts 06Cr19Ni10 material.
6. high-temperature ventilating valve according to claim 1, is characterized in that: adopt the sealing of ceramic fiber thermoinsulation material with the valve shaft (5) that in the adiabatic driving mechanism of high temperature air-valve (14), coupling is connected.
7. high-temperature ventilating valve according to claim 1, is characterized in that: described support (13), welding support (10) and support gusset plate (11) all adopt orifice structure.
8. high-temperature ventilating valve according to claim 1, is characterized in that: described back-up ring (3) contacts end face with valve shaft (5) and is 30 ° of angles, and with valve shaft (5) gap≤1.5mm.
9. high-temperature ventilating valve according to claim 1, is characterized in that: also comprise support gusset plate (11), be placed in thread seal pipe (9) below.
10. support gusset plate according to claim 9, is characterized in that: described support gusset plate is two both sides that lay respectively at thread seal pipe (9), and its one end is connected with thread seal pipe (9), and the other end is connected with welding support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119703.6A CN103883793B (en) | 2014-03-23 | 2014-03-23 | High-temperature ventilating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119703.6A CN103883793B (en) | 2014-03-23 | 2014-03-23 | High-temperature ventilating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883793A true CN103883793A (en) | 2014-06-25 |
| CN103883793B CN103883793B (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410119703.6A Active CN103883793B (en) | 2014-03-23 | 2014-03-23 | High-temperature ventilating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103883793B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07301366A (en) * | 1994-04-28 | 1995-11-14 | Hitachi Ltd | Butterfly valve |
| US6079695A (en) * | 1995-10-12 | 2000-06-27 | Orbit Valve Company | Butterfly valve construction |
| CN2457407Y (en) * | 2000-12-21 | 2001-10-31 | 启东阀门厂 | Intelligent emergency fast cut-off valve |
| CN2566066Y (en) * | 2002-08-19 | 2003-08-13 | 郭文明 | High temp. hot air valve |
| JP2004052986A (en) * | 2002-07-24 | 2004-02-19 | Tomoe Tech Res Co | Butterfly valve |
| CN202284652U (en) * | 2011-11-01 | 2012-06-27 | 良精集团有限公司 | High-temperature special gas valve |
| CN202580053U (en) * | 2012-04-10 | 2012-12-05 | 浙江联大阀门有限公司 | High-temperature-resistant butterfly valve |
| CN202901316U (en) * | 2012-09-14 | 2013-04-24 | 上海埃维玛阀门有限公司 | Anti-high-temperature and anti-high-pressure and low-torsion high-performance disc valve |
| CN203797127U (en) * | 2014-03-23 | 2014-08-27 | 大连兆和科技发展有限公司 | High-temperature ventilating valve |
-
2014
- 2014-03-23 CN CN201410119703.6A patent/CN103883793B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07301366A (en) * | 1994-04-28 | 1995-11-14 | Hitachi Ltd | Butterfly valve |
| US6079695A (en) * | 1995-10-12 | 2000-06-27 | Orbit Valve Company | Butterfly valve construction |
| CN2457407Y (en) * | 2000-12-21 | 2001-10-31 | 启东阀门厂 | Intelligent emergency fast cut-off valve |
| JP2004052986A (en) * | 2002-07-24 | 2004-02-19 | Tomoe Tech Res Co | Butterfly valve |
| CN2566066Y (en) * | 2002-08-19 | 2003-08-13 | 郭文明 | High temp. hot air valve |
| CN202284652U (en) * | 2011-11-01 | 2012-06-27 | 良精集团有限公司 | High-temperature special gas valve |
| CN202580053U (en) * | 2012-04-10 | 2012-12-05 | 浙江联大阀门有限公司 | High-temperature-resistant butterfly valve |
| CN202901316U (en) * | 2012-09-14 | 2013-04-24 | 上海埃维玛阀门有限公司 | Anti-high-temperature and anti-high-pressure and low-torsion high-performance disc valve |
| CN203797127U (en) * | 2014-03-23 | 2014-08-27 | 大连兆和科技发展有限公司 | High-temperature ventilating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883793B (en) | 2016-02-24 |
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Address after: 116600 Jinzhou Liaoning new area double D port number 3 Road No. 8, No. Patentee after: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Address before: 116600 Jinzhou Liaoning new area double D port number 3 Road No. 8, No. Patentee before: Dalian Megaunity Inc. |
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Denomination of invention: High temperature ventilation valve Effective date of registration: 20220505 Granted publication date: 20160224 Pledgee: Dalian Branch of Bank of Communications Co.,Ltd. Pledgor: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Registration number: Y2022210000036 |
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Address after: Floor 4, No. 300, Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215156 Patentee after: Suzhou Zhaohe Air System Co.,Ltd. Address before: 116600 No.8, digital3 Road, shuangd port, Jinzhou new district, Dalian City, Liaoning Province Patentee before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. |
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Date of cancellation: 20230830 Granted publication date: 20160224 Pledgee: Dalian Branch of Bank of Communications Co.,Ltd. Pledgor: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Registration number: Y2022210000036 |