CN203443094U - Ordinary pressure water heating boiler - Google Patents
Ordinary pressure water heating boiler Download PDFInfo
- Publication number
- CN203443094U CN203443094U CN201320392810.7U CN201320392810U CN203443094U CN 203443094 U CN203443094 U CN 203443094U CN 201320392810 U CN201320392810 U CN 201320392810U CN 203443094 U CN203443094 U CN 203443094U
- Authority
- CN
- China
- Prior art keywords
- water
- interlayer
- heat
- boiler
- chamber
- 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 - Fee Related
Links
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to an ordinary pressure water heating boiler in the field of civil life boilers. The water heating boiler comprises a boiler body provided with an interlayer, a combustor is arranged at the lower end inside the boiler body, a heat exchange chamber is arranged at the upper portion of the combustor and is provided with a heat exchange water tank corresponding to the combustor, an interval is formed between the top end of the heat exchange water tank and the inner top of the heat exchange chamber, the heat exchange water tank is provided with a discharge flue which penetrates through a tank body and is communicated with the combustor correspondingly, a sleeve is arranged between the heat exchange water tank and the interlayer, an interval is formed between the bottom end of the sleeve and the inner bottom of the heat exchange chamber, an inner cavity of the interlayer, an inner cavity of the sleeve and an inner cavity of the heat exchange water tank are communicated through a pipeline, a water inlet is formed in the inner cavity of the interlayer, a water outlet is formed in the inner cavity of the heat exchange water tank, a vent pipe is arranged at the upper portion of the interval between the interlayer and the sleeve, and an air outlet end pipe orifice of the vent pipe is provided with an air draft device. The water heating boiler is large in heat exchange area and high in heat exchange efficiency, and can reduce the degree of pollution to environment by effectively improving the utilization rate of heat energy of fuel.
Description
[technical field]
The utility model relates to domestic life field of boilers, especially relates to a kind of atmospheric hot-water boiler of energy-conserving and environment-protective.
[background technology]
Known, household atmospheric boiler for heating water is that the stove fire heat energy that utilizes burner hearth fuel combustion to generate heats the water liquid in boiler, send into water liquid in boiler by contacting with the flue of discharge stove fire, and absorb the heat of stove fire, thereby reach heated object; Yet, because existing atmospheric hot-water boiler is all designed to directly discharge stove fire by flue, therefore, this not only causes the heat exchange area of stove fire and water liquid less, and rate of heat exchange is lower, but also causes stove fire not just to be discharged from the situation that its heat energy is also fully effectively utilized, thereby caused that the efficiency of heating surface is low, fuel thermal energy waste is serious and the defect such as the easy contaminated environment of emission, be existing atmospheric hot-water boiler not only specific fuel consumption is higher, the efficiency of heating surface is lower, but also contaminated environment.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses a kind of atmospheric hot-water boiler, described water heater not only heat exchange area is large, and heat exchanger effectiveness is high, but also can reduce by the heat utilization rate of effective raising fuel the pollution level to environment.
For achieving the above object, the utility model adopts following technical scheme:
, described water heater comprises boiler body, and the wall of described boiler body is provided with water route interlayer, and the interior lower end of boiler body is provided with combustion chamber, and the top of combustion chamber is provided with heat-exchanging chamber; The central part of described heat-exchanging chamber middle part respective combustion chamber is provided with a heat-exchanging water tank, be provided with spacing, and heat-exchanging water tank is at least provided with a perforation casing up and down and the smokejack of connection corresponding to combustion chamber between the interior top of the top of this heat-exchanging water tank and heat-exchanging chamber; What between described heat-exchanging water tank and interlayer, have spacing is provided with water route sleeve, and the top of sleeve is fixedly connected with the interior top of heat-exchanging chamber,, is provided with spacing at the interior end of the bottom of sleeve and heat-exchanging chamber; Described interlayer inner chamber, barrel bore and heat-exchanging water tank inner chamber be respectively by pipeline connection, and the inner chamber of interlayer is provided with water inlet, and the inner chamber of heat-exchanging water tank is provided with the delivery port that passes to boiler body outside; Described interlayer and the top, gap between sleeve are provided with the blast pipe that passes to boiler body outside, and the outlet side mouth of pipe of this blast pipe is provided with extractor fan.
Described atmospheric hot-water boiler, described boiler body is provided with secondary stove, and the top of boiler body and the top of secondary stove are respectively equipped with main bell and secondary bell; The interlayer respective combustion chamber of described boiler body and heat-exchanging chamber are divided into lower interlayer and upper interlayer is two-layer, and the inner chamber top of lower interlayer is communicated with a side of secondary stove furnace chamber by the first water-supply-pipe; The opposite side of described secondary stove furnace chamber is communicated with the inner chamber of secondary bell by the second water-supply-pipe, and the inner chamber of secondary bell is communicated with by the 3rd water-supply-pipe with the inner chamber of main bell, and the inner chamber of main bell is communicated with the inner chamber of upper interlayer by the 4th water-supply-pipe; Described blast pipe is communicated with the heat transfer flue that is arranged on the interior full of twists and turns shape of secondary stove furnace chamber.
Described atmospheric hot-water boiler, described secondary furnace chamber central part is provided with flue collector, secondary stove wall is provided with the secondary stove interlayer being communicated with the first water-supply-pipe, and between secondary stove interlayer and flue collector, be provided with secondary boiler clothing cylinder, between this pair boiler clothing cylinder and secondary stove interlayer and flue collector, form the heat transfer flue that full of twists and turns shape is communicated with; The outside of described heat transfer flue is communicated with blast pipe, and the inner side of heat transfer flue is communicated with flue collector; Described flue collector upper end is provided with the delivery pipe that is through to secondary stove outside, and flue collector is provided with inner chamber and is jointly communicated with the inner chamber of secondary stove interlayer, the inner chamber of secondary boiler clothing cylinder the flue interlayer that forms full of twists and turns shape water route.
Described atmospheric hot-water boiler, described boiler body is provided with biomass fuel feeder and air-supply arrangement.
Described atmospheric hot-water boiler, it is upper and lower that described heat-exchanging water tank is provided with many evenly distributed perforation casings, and the smokejack of connection corresponding to combustion chamber.
Described atmospheric hot-water boiler, described boiler body is provided with flue procuratorial work mouth and water route sewage draining exit.
Described atmospheric hot-water boiler, described secondary stove is provided with flue procuratorial work mouth and water route sewage draining exit.
Described atmospheric hot-water boiler, described boiler body top and the top of secondary stove are respectively equipped with main bell and secondary bell that can folding.
Described atmospheric hot-water boiler, described main bell and the inner chamber of secondary bell are equipped with the water delivery path of full of twists and turns shape, and one end of this water delivery path is provided with import, and the other end is provided with outlet.
Described atmospheric hot-water boiler, first to fourth described water-supply-pipe is heat-insulation and heat-preservation pipe.
Owing to adopting technical scheme as above, the utlity model has following beneficial effect:
Atmospheric hot-water boiler described in the utility model is not only simple in structure, easy to use, but also environmental protection and energy saving, rate of heat exchange is higher; Described water heater effectively extends the time of heat exchange by increasing the heat exchange contact area of stove fire and water liquid, thereby not only effectively raise rate of heat exchange, but also by the raising of rate of heat exchange, effectively strengthened the heat utilization rate of fuel, and then reached the object that reduces production cost and reduce environmental pollution.
[accompanying drawing explanation]
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is A-A of the present utility model place generalized section;
Fig. 3 is another structural representation of the present utility model;
Fig. 4 is the schematic diagram of main bell or secondary bell in the utility model.
In figure: 1, boiler body; 2, interlayer; 3, combustion chamber; 4, heat-exchanging chamber; 5, heat-exchanging water tank; 6, smokejack; 7, sleeve; 8, water inlet; 9, delivery port; 10, blast pipe; 11, secondary stove; 12, main bell; 13, secondary bell; 14, lower interlayer; 15, upper interlayer; 16, the first water-supply-pipe; 17, the second water-supply-pipe; 18, the 3rd water-supply-pipe; 19, the 4th water-supply-pipe; 20, heat transfer flue; 21, flue collector; 22, secondary stove interlayer; 23, secondary boiler clothing cylinder; 24, delivery pipe; 25, flue interlayer; 26, water delivery path; 27, import; 28, outlet.
[specific embodiment]
By the following examples, can explain in more detail the present invention, open the purpose of this utility model is intended to protect all changes and improvements within the scope of the utility model, and the utility model is not limited to the following examples:
Atmospheric hot-water boiler described in 1～2 by reference to the accompanying drawings, described water heater comprises boiler body 1, the wall of described boiler body 1 is provided with for being circulated throughout the water route interlayer 2 of water, and the interior lower end of boiler body 1 is provided with for producing into the combustion chamber 3 of stove fire, in combustion chamber, 3 top is provided with for utilizing stove fire heat energy the water route of circulation flowing water to be carried out to the heat-exchanging chamber 4 of heat conversion; The central part of described heat-exchanging chamber 4 middle part respective combustion chamber 3 is provided with a heat-exchanging water tank 5, between the top of this heat-exchanging water tank 5 and the interior top of heat-exchanging chamber 4, be provided with the spacing that is beneficial to stove fire fume emission, and heat-exchanging water tank 5 be provided with many evenly distributed perforation heat-exchanging water tank 5 casings upper and lower and with the smokejack 6 of the corresponding connection in combustion chamber 3, i.e. the water liquid of the stove fire flue gas of combustion chamber 3 generations in can heat exchanging water tank 5 inner chambers when draining in boiler body 1 by smokejack 6 heats;
What between described heat-exchanging water tank 5 and interlayer 2, have spacing is provided with water route sleeve 7, and the top of sleeve 7 is fixedly connected with the interior top of heat-exchanging chamber 4, the airtight bottom of sleeve 7 and be provided with the spacing that is beneficial to stove fire fume emission at the interior end of heat-exchanging chamber 4, be between heat-exchanging water tank 5, sleeve 7 and interlayer 2 threes, to form the flue of a full of twists and turns shape, thereby in discharge stove fire flue gas, effectively absorb its heat, reach and make the object that mobile water liquid is effectively heated in interlayer 2 inner chambers, sleeve 7 inner chambers and heat-exchanging water tank 5 inner chambers; Described interlayer 2 inner chambers, sleeve 7 inner chambers and heat-exchanging water tank 5 inner chambers pass through respectively pipeline connection, and the inner chamber of interlayer 2 is provided with the water inlet 8 that water route corresponding to the external world is communicated with, the inner chamber of heat-exchanging water tank 5 is provided with the delivery port 9 that passes to boiler body 1 outside, after water at low temperature liquid via interlayer 2 inner chambers, sleeve 7 inner chambers and heat-exchanging water tank 5 inner chamber circulations, heats up as hot water outflow;
Described interlayer 2 and the top, gap between sleeve 7 are provided with the blast pipe 10 that passes to boiler body 1 outside, be disposed to stove fire flue gas full of twists and turns the flowing between heat-exchanging water tank 5, sleeve 7 and interlayer 2 threes in boiler body 1, finally by blast pipe 10, discharge boiler body 1; For more smooth discharge stove fire flue gas, can corresponding extractor fan be set at the outlet side of blast pipe 10 mouth of pipe; For increasing the application kind of fuel, can install biomass fuel feeder and corresponding air-supply arrangement are set in the relevant position of boiler body 1 combustion chamber 3, thereby make described water heater can burn coal, can also burn biomass fuel; For ease of observing inner case timely repair and maintenance, described boiler body 1 is provided with corresponding flue procuratorial work mouth and water route sewage draining exit;
Atmospheric hot-water boiler described in 3～4 by reference to the accompanying drawings, for further increasing heat exchange area, improve heat exchanger effectiveness, and the pollution level that reduces the flue gas that discharges, described boiler body 1 can connect a secondary stove 11 that is provided with flue procuratorial work mouth and water route sewage draining exit again, and at the top of boiler body 1 and the top of secondary stove 11, arrange respectively its inside of easy access can folding main bell 12 and secondary bell 13, when auxiliary connection stove 11, interlayer 2 that can boiler body 1 respectively respective combustion chamber 3 and heat-exchanging chamber 4 separate be set to lower interlayer 14 and upper interlayer 15 two-layer, make the inner chamber top of lower interlayer 14 be communicated with a side of secondary stove 11 furnace chambers by the first water-supply-pipe 16 simultaneously, and the opposite side of secondary stove 11 furnace chambers is communicated with the inner chamber of secondary bell 13 by the second water-supply-pipe 17, the secondary inner chamber of bell 13 and the inner chamber of main bell 12 are communicated with by the 3rd water-supply-pipe 18, the inner chamber of main bell 12 is communicated with the inner chamber of upper interlayer 15 by the 4th water-supply-pipe 19, the water liquid that flows into lower interlayer 14 inner chambers is being flowed through secondary stove 11 furnace chambers, after secondary bell 13 inner chambers and main bell 12 inner chambers, flow back into interlayer 15 inner chambers, finally by the corresponding water route in boiler body 1, flow out again,
While flowing in water-supply-pipe for guarantee water liquid, effectively keep its heat, the first, second, third and the 4th described water-supply-pipe all adopts heat-insulation and heat-preservation pipe; For improving flue gas utilization rate, increase heat exchanger effectiveness, the blast pipe of boiler body 1 10 can be communicated with the heat transfer flue 20 of full of twists and turns shape in being arranged on secondary stove 11 furnace chambers, the water liquid flowing in secondary stove 11 furnace chambers can carry out exchange heat with the heat transfer flue 20 of full of twists and turns shape, thereby reaches the object that further effectively absorbs flue gas heat; For effectively utilizing the heat energy of boiler body 1 and the 11 interior risings of secondary stove, the inner chamber of main bell 12 and secondary bell 13 all can be set out to the water delivery path 26 of full of twists and turns shape, and one end of water delivery path 26 is made as to import 27, the other end of water delivery path 26 is made as to outlet 28, can corresponding prolongation flow path thereby make to flow into water liquid in water delivery path 26, and then reach the object of more efficiently absorption rising heat energy;
For further improving heat exchanger effectiveness by secondary stove 11, described secondary stove 11 lumen centers portions are provided with flue collector 21, secondary stove 11 walls are provided with the secondary stove interlayer 22 being communicated with the first water-supply-pipe 16, and between secondary stove interlayer 22 and flue collector 21, be provided with secondary boiler clothing cylinder 23, between this pair boiler clothing cylinder 23 and secondary stove interlayer 22 and flue collector 21, form the heat transfer flue 20 that full of twists and turns shape is communicated with; The outside of described heat transfer flue 20 is communicated with blast pipe 10, and the inner side of heat transfer flue 20 is communicated with flue collector 21; Described flue collector 21 upper ends are provided with the delivery pipe 24 that is through to secondary stove 11 outsides, and flue collector 21 is provided with inner chamber and is jointly communicated with the inner chamber of secondary stove interlayer 22, the inner chamber of secondary boiler clothing cylinder 23 the flue interlayer 25 that forms full of twists and turns shape water route, by being increased in the contact area in the heat transfer flue 20 that arranges in secondary stove 11 furnace chambers and water route, reach the object of effective raising heat exchanger effectiveness.
While implementing atmospheric hot-water boiler described in the utility model, first pass into water liquid, avoid empty and burn, and then the corresponding fuel that burns, when producing stove fire flue gas, referring to accompanying drawing 1,3 and 4, what solid arrow indicated is the mobile path of water liquid, and what dotted arrow indicated is the path of stove fire flow of flue gas; Flowing of water liquid for the benefit of, can be chosen in and on water route, install conveying or the discharge that corresponding water pump carries out water liquid additional according to actual conditions.
The utility model does not describe part in detail for prior art, therefore the utility model is not described in detail.
Claims (10)
1. an atmospheric hot-water boiler, described water heater comprises boiler body, it is characterized in that: the wall of described boiler body (1) is provided with water route interlayer (2), and the interior lower end of boiler body (1) is provided with combustion chamber (3), the top of combustion chamber (3) is provided with heat-exchanging chamber (4); The central part of described heat-exchanging chamber (4) middle part respective combustion chamber (3) is provided with heat-exchanging water tank (5), between the interior top of the top of this heat-exchanging water tank (5) and heat-exchanging chamber (4), be provided with spacing, and heat-exchanging water tank (5) be at least provided with a perforation casing upper and lower and with the smokejack (6) of the corresponding connection in combustion chamber (3); What between described heat-exchanging water tank (5) and interlayer (2), have spacing is provided with water route sleeve (7), and the top of sleeve (7) is fixedly connected with the interior top of heat-exchanging chamber (4), the bottom of sleeve (7) and be provided with spacing at the interior end of heat-exchanging chamber (4); Described interlayer (2) inner chamber, sleeve (7) inner chamber and heat-exchanging water tank (5) inner chamber pass through respectively pipeline connection, and the inner chamber of interlayer (2) is provided with water inlet (8), the inner chamber of heat-exchanging water tank (5) is provided with and passes to the outside delivery port (9) of boiler body (1); Top, gap between described interlayer (2) and sleeve (7) is provided with and passes to the outside blast pipe (10) of boiler body (1), and the outlet side mouth of pipe of this blast pipe (10) is provided with extractor fan.
2. atmospheric hot-water boiler according to claim 1, it is characterized in that: described boiler body (1) is provided with secondary stove (11), and the top of the top of boiler body (1) and secondary stove (11) is respectively equipped with main bell (12) and secondary bell (13); Interlayer (2) respective combustion chamber (3) of described boiler body (1) and heat-exchanging chamber (4) are separated out lower interlayer (14) and upper interlayer (15) is two-layer, and the inner chamber top of lower interlayer (14) is communicated with a side of secondary stove (11) furnace chamber by the first water-supply-pipe (16); The opposite side of described secondary stove (11) furnace chamber is communicated with the inner chamber of secondary bell (13) by the second water-supply-pipe (17), the inner chamber of secondary bell (13) is communicated with by the 3rd water-supply-pipe (18) with the inner chamber of main bell (12), and the inner chamber of main bell (12) is communicated with the inner chamber of upper interlayer (15) by the 4th water-supply-pipe (19); Described blast pipe (10) is communicated with the heat transfer flue (20) of full of twists and turns shape in being arranged on secondary stove (11) furnace chamber.
3. atmospheric hot-water boiler according to claim 2, it is characterized in that: described secondary stove (11) lumen centers portion is provided with flue collector (21), secondary stove (11) wall is provided with the secondary stove interlayer (22) being communicated with the first water-supply-pipe (16), and between secondary stove interlayer (22) and flue collector (21), be provided with secondary boiler clothing cylinder (23), between this pair boiler clothing cylinder (23) and secondary stove interlayer (22) and flue collector (21), form the heat transfer flue (20) that full of twists and turns shape is communicated with; Described heat transfer flue (20) outside is communicated with blast pipe (10), and heat transfer flue (20) inner side is communicated with flue collector (21); Described flue collector (21) upper end is provided with and is through to the outside delivery pipe (24) of secondary stove (11), and flue collector (21) is provided with inner chamber and is communicated with the inner chamber of secondary stove interlayer (22), the inner chamber of secondary boiler clothing cylinder (23) the flue interlayer (25) that forms full of twists and turns shape water route.
4. atmospheric hot-water boiler according to claim 1, is characterized in that: described boiler body (1) is provided with biomass fuel feeder and air-supply arrangement.
5. atmospheric hot-water boiler according to claim 1, is characterized in that: it is upper and lower that described heat-exchanging water tank (5) is provided with many evenly distributed perforation casings, and with the smokejack (6) of the corresponding connection in combustion chamber (3).
6. atmospheric hot-water boiler according to claim 1 and 2, is characterized in that: described boiler body (1) is provided with flue procuratorial work mouth and water route sewage draining exit.
7. according to the atmospheric hot-water boiler described in claim 2 or 3, it is characterized in that: described secondary stove (11) is provided with flue procuratorial work mouth and water route sewage draining exit.
8. atmospheric hot-water boiler according to claim 2, is characterized in that: the top of described boiler body (1) top and secondary stove (11) is respectively equipped with main bell (12) and secondary bell (13) that can folding.
9. according to the atmospheric hot-water boiler described in claim 2 or 8, it is characterized in that: described main bell (12) and the inner chamber of secondary bell (13) are equipped with the water delivery path (26) of full of twists and turns shape, one end of this water delivery path (26) is provided with import (27), and the other end is provided with outlet (28).
10. atmospheric hot-water boiler according to claim 2, is characterized in that: first to fourth described water-supply-pipe is heat-insulation and heat-preservation pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392810.7U CN203443094U (en) | 2013-07-03 | 2013-07-03 | Ordinary pressure water heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392810.7U CN203443094U (en) | 2013-07-03 | 2013-07-03 | Ordinary pressure water heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443094U true CN203443094U (en) | 2014-02-19 |
Family
ID=50094143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320392810.7U Expired - Fee Related CN203443094U (en) | 2013-07-03 | 2013-07-03 | Ordinary pressure water heating boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383142A (en) * | 2013-07-03 | 2013-11-06 | 洛阳高新开发区煜川热能制造厂 | Atmospheric pressure hot water boiler |
-
2013
- 2013-07-03 CN CN201320392810.7U patent/CN203443094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383142A (en) * | 2013-07-03 | 2013-11-06 | 洛阳高新开发区煜川热能制造厂 | Atmospheric pressure hot water boiler |
| CN103383142B (en) * | 2013-07-03 | 2015-12-02 | 洛阳高新开发区煜川热能制造厂 | A kind of atmospheric hot-water boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201662226U (en) | Condensation-type gas-fired heating water heater | |
| CN106123315A (en) | A kind of waste heat recovering energy conserving boiler | |
| CN102620274A (en) | Horizontal oil-fired and gas-fired efficient energy-saving boiler | |
| CN100595495C (en) | Open back water reciprocating flue type normal pressure boiler | |
| CN203443094U (en) | Ordinary pressure water heating boiler | |
| CN205842615U (en) | A kind of biomass efficient horizontal boiler | |
| CN103383142B (en) | A kind of atmospheric hot-water boiler | |
| CN105180421A (en) | Central back combustion boiler with water pipes being transversely scoured | |
| CN201014711Y (en) | High efficiency energy saving tea stove | |
| CN214332773U (en) | Steam boiler device for recovering flue gas waste heat | |
| CN204880675U (en) | Transversely erode water pipe wherein heart boiler that strile -backs | |
| CN203928382U (en) | A kind of combustion gas vacuum hot water unit | |
| CN203116261U (en) | Horizontal type vacuum scaling-free energy-saving environment-friendly boiler with burning oil or gas | |
| CN204202154U (en) | A kind of combustion gas vacuum boiler | |
| CN203533872U (en) | Biomass double-flue counter-burning water heating heat-supply device | |
| CN201412959Y (en) | Heat exchange type energy-saving water heater | |
| CN204373195U (en) | A kind of multi cycle heating stove | |
| CN104595908A (en) | Normal-pressure water heating device using heat energy of flue gas | |
| CN104848201A (en) | Multifunctional horizontal water heating stove | |
| CN202733990U (en) | Double-water jacket full-flue heat exchange cooking range | |
| CN204358777U (en) | A kind of Household boiler with honeycomb briquette as fuel | |
| CN205842617U (en) | A kind of horizontal biomass energy-saving environment-protection boiler | |
| CN204301287U (en) | Double water jacket power economized boiler | |
| CN102062470B (en) | Energy-saving water heating furnace | |
| CN101761911A (en) | Heat tube steam generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150703 |
|
| EXPY | Termination of patent right or utility model |