CN202252111U - Afterheat boiler bypass reversing baffle plate - Google Patents
Afterheat boiler bypass reversing baffle plate Download PDFInfo
- Publication number
- CN202252111U CN202252111U CN2011203867655U CN201120386765U CN202252111U CN 202252111 U CN202252111 U CN 202252111U CN 2011203867655 U CN2011203867655 U CN 2011203867655U CN 201120386765 U CN201120386765 U CN 201120386765U CN 202252111 U CN202252111 U CN 202252111U
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Abstract
The utility model relates to an afterheat boiler bypass reversing baffle plate, which is arranged on a three-way reversing valve and can realize the effect that smoke gas can be horizontally and directly communicated to an afterheat boiler or can be vertically communicated to a bypass chimney through turning for 90 degrees. According to the technical scheme provided by the utility model, the afterheat boiler bypass reversing baffle plate comprises a baffle plate body and a driving mechanism and is characterized in that the baffle plate body comprises a twisting arm, a framework, an upper panel, a lower panel and sealing components, wherein the twisting arm is welded on the framework and is used for connecting the driving mechanism, the upper surface and the lower surface of the framework are respectively welded and fixed with a plurality of sliding pads, the upper panel and the lower panel are respectively and fixedly arranged on the sliding pads and are connected through studs, and the sealing components matched with a three-way casing are respectively arranged on the upper panel and the lower panel. The afterheat boiler bypass reversing baffle plate has the advantages that the structure is simple and reliable, the sealing performance is good, the service life is long, and high-pressure sealing air can be respectively introduced from two positions of the reverse baffle plate for ensuring no leakage of the smoke gas.
Description
Technical field
The utility model relates to a kind of by pass flue three-way diverter valve with horizontal installation form of employing of an inlet and two outlets, and the flue gas straight horizontal that can make that specifically relates on the three-way diverter valve is led to exhaust heat boiler or 90 ° of vertical exhaust heat boiler bypass reversible deflectors that lead to the bypass chimney of turning.
Background technique
The by pass flue three-way diverter valve comprises housing and the reversible deflector that sets within it, and through rotating reversible deflector, can realize the switching-over of flue gas.
Because reversible deflector need satisfy the requirement that continous way is produced, can receive the dust in flue gas wearing and tearing in process of production, and corrupting influence; And the frequent switch of reversible deflector also can cause wearing and tearing, existing reversible deflector in use for some time, it holds the distortion of can't stand washing away of flue gas and causing baffle plate; Even the coming off of baffle plate; Poor sealing performance occurs, poor reliability can't guarantee its working life.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the existing technology, and a kind of exhaust heat boiler bypass reversible deflector that is applied on the exhaust heat boiler bypass three-way diverter valve is provided, and it is simple and reliable for structure, good seal performance, long service life.
The technological scheme that provides according to the utility model; Exhaust heat boiler bypass reversible deflector; Comprise baffle body and driving mechanism; It is characterized in that: said baffle body comprises turns round arm, framework, top plate, lower panel and sealed member, and the said arm of turning round is welded on the framework, turns round arm and is used to connect driving mechanism; The upper and lower surfaces of said framework is welded with some sliding matses respectively; Top plate, lower panel are separately fixed on the sliding mats; Be connected through double-screw bolt between top plate and the lower panel, the sealed member that matches with three-way body is installed respectively on top plate, the lower panel.
Further improvement as the utility model; Said framework comprise horizontal edge frame channel-section steel, longitudinal edge frame channel-section steel, willfully strong channel-section steel, vertically strengthen channel-section steel and turn round fixedly channel-section steel of arm; Two horizontal edge frame channel-section steels and two longitudinal edge frame channel-section steels are welded into rectangle rack; Three willfully strong, and channel-section steel is parallel is welded on equally spacedly on two longitudinal edge frame channel-section steels, and the vertical channel-section steel of strengthening is welded on three willfully strong channel-section steels middle parts, and two horizontal edge frame channel-section steels and adjacent willfully strong channel-section steel one end divide and weld one and turn round fixedly channel-section steel of arm; The said arm of turning round has seven, and wherein five afterbodys of turning round arm are welded on respectively and are welded on respectively on two horizontal edge frame channel-section steels and the three willfully strong channel-section steels, and other two afterbodys of turning round arm are welded on two respectively and turn round arm fixedly on the channel-section steel.
As the further improvement of the utility model, said sealed member comprises diaphragm seal framework, aluminosilicate fiberboard, interior lining panel, the first diaphragm seal assembly and the second diaphragm seal assembly; The diaphragm seal frame fixation on plate, the lower panel, is provided with some raming in the above in the diaphragm seal framework, raming directly is welded on top plate, the lower panel; Aluminosilicate fiberboard is filled in the diaphragm seal framework, and interior lining panel covers on the aluminosilicate fiberboard, and interior lining panel is through the supporting and fastening with nut of raming; The said first diaphragm seal assembly is fixedly mounted on edge, diaphragm seal framework surrounding, and the said second diaphragm seal assembly is fixedly mounted on top plate, edge, lower panel surrounding.
Further improvement as the utility model; The said first diaphragm seal assembly comprises diaphragm seal, spring sheet and pressing plate; Diaphragm seal, spring sheet and pressing plate stack in order and through being bolted to the diaphragm seal leg of frame along last, said spring sheet bending is V-arrangement, and the bottom of spring sheet one side is through the pressing plate supporting; The edge of spring sheet opposite side is to the upper support diaphragm seal, and diaphragm seal upwards bends several angle; The said second diaphragm seal assembly is identical with the first diaphragm seal modular construction.
As the further improvement of the utility model, the said diaphragm seal upwards angle of bending is 5 °.
As the further improvement of the utility model, said diaphragm seal two ends are made as plagiocephaly, and the oblique angle of plagiocephaly is greater than 45 °.
As the further improvement of the utility model, said driving mechanism comprises torque tube, preceding supporting base, front-end bearing pedestal, front axle, fore bearing, bonnet, rear bearing, rear bearing block, back supporting base and rear axle; Preceding supporting base, back supporting base are welded on respectively on the front and back side external surface of three-way body, and front-end bearing pedestal, rear bearing block are contained in preceding supporting base, the back supporting base respectively and fix; Said front axle is assemblied in the front-end bearing pedestal through the fore bearing supporting and passes through preceding black box sealing, and said rear axle is assemblied in the rear bearing block and through bonnet through the rear bearing supporting and seals; Said torque tube two ends are fixedly connected with front axle, rear axle respectively, are equipped with on the front axle to be used to drive the driving wheel that front axle, torque tube and rear axle rotate, and the arm of turning round on the said baffle body is fixedly connected on the torque tube.
As the further improvement of the utility model, said front-end bearing pedestal and rear bearing block all are flanged bearing supports; Black box comprises packing ring, follower, clamping ring, seal ring, Hough circle and guard ring before said, and follower is connected with the flange of front-end bearing pedestal through bolt, is provided with packing ring and guard ring between follower and the front-end bearing pedestal; Guard ring is contained on the front axle, and packing ring is clamped between follower and the front-end bearing pedestal, and said clamping ring, seal ring and Hough circle are contained in the follower; Clamp through clamping ring the seal ring both sides; The seal ring internal surface contacts with the front axle surface, and the Hough circle is contained in outside the seal ring, is used to be close to seal ring; Said bonnet is connected with the flange of rear bearing block through bolt.
As the further improvement of the utility model, the said arm front end of turning round is provided with the circular hole that is used to be enclosed within on the torque tube, turns round arm and torque tube is welded to connect, and also is welded with stiffening plate on arm and the torque tube turning round.
As the further improvement of the utility model, be respectively installed with front shaft sleeve, rear axle housing on said front axle, the rear axle and pass through the flat key connection; Said torque tube two ends are set on front shaft sleeve, the rear axle housing, and are fixing through pin connection and welding.
The utility model compared with prior art, advantage is: the utility model is simple and reliable for structure, good seal performance, long service life, reversible deflector all feeds high pressure sealing wind two positions, does not leak to guarantee flue gas.
Description of drawings
Fig. 1 is the structural front view of baffle body.
The structure plan view of Fig. 2 after for baffle body assembling torque tube.
Fig. 3 is the structure left view of baffle body.
Fig. 4 is the baffle plate skeletal structure schematic representation in the baffle body.
Fig. 5 is the right elevation of Fig. 4.
Fig. 6 is that K among Fig. 4 is to partial view.
Fig. 7 is the structural representation of the first diaphragm seal assembly among Fig. 1.
Fig. 8 is that A-A among Fig. 7 is to partial sectional view.
The structural representation of Fig. 9 driving mechanism.
Figure 10 is the local enlarged diagram of the B portion among Fig. 9.
Description of reference numerals: 1-turns round arm; The 2-framework; 2.1-horizontal edge frame channel-section steel; 2.2-longitudinal edge frame channel-section steel; 2.3-willfully strong channel-section steel; 2.4-the vertical channel-section steel of strengthening; 2.5-turn round fixedly channel-section steel of arm; The 3-top plate; The 4-sliding mats; The 5-first diaphragm seal assembly; 5.1-diaphragm seal; 5.2-spring sheet; 5.3-pressing plate; 6-diaphragm seal framework; The 7-second diaphragm seal assembly; The 8-double-screw bolt; 9-rams; The 10-lower panel; The 11-interior lining panel; The 12-torque tube; The 13-front shaft sleeve; Supporting base before the 14-; The 15-front-end bearing pedestal; The 16-packing ring; The 17-follower; The 18-front axle; The 19-driving wheel; The 20-clamping ring; The 21-seal ring; 22-Hough circle; The 23-guard ring; The 24-fore bearing; The 25-bonnet; The 26-rear bearing; The 27-rear bearing block; Supporting base behind the 28-; The 29-rear axle; The 30-rear axle housing; The 31-pin; The 32-flat key; The 33-stiffening plate.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: the exhaust heat boiler bypass reversible deflector of the utility model is applied on the three-way diverter valve, is used for matching with three-way body, realizes the switching-over shunting of material.It mainly is made up of baffle body and driving mechanism two-part.
The structure of said baffle body such as Fig. 1 ~ shown in Figure 3, it is mainly formed by turning round arm 1, framework 2, top plate 3, lower panel 10 and sealed member, and the said arm 1 of turning round is welded on the framework 2, turns round arm 1 and is used to connect driving mechanism; The upper and lower surfaces of said framework 2 is welded with some sliding matses 4 respectively; Top plate 3, lower panel 10 pass through screw respectively on sliding mats 4; Be connected through double-screw bolt 8 between top plate 3 and the lower panel 10, the sealed member that matches with three-way body is installed respectively on top plate 3, the lower panel 10.
Like Fig. 4 ~ shown in Figure 6; Said framework 2 mainly by two horizontal edge frame channel-section steels 2.1, two longitudinal edge frame channel-section steels 2.2, three willfully strong channel-section steels 2.3, one vertical strengthen channel-section steel 2.4 and two turn round arm fixedly channel-section steel 2.5 form; Two horizontal edge frame channel-section steels 2.1 and two longitudinal edge frame channel-section steels 2.2 are welded into rectangle rack; Three willfully strong channel-section steel 2.3 parallel being welded on equally spacedly on two longitudinal edge frame channel-section steels 2.2; The vertical channel-section steel 2.4 of strengthening is welded on three willfully strong channel-section steel 2.3 middle parts, and two horizontal edge frame channel-section steels 2.1 divide one of welding to turn round fixedly channel-section steel 2.5 of arm with adjacent willfully strong channel-section steel 2.3 1 ends; The said arm 1 of turning round has seven, and wherein five afterbodys of turning round arm 1 are welded on respectively and are welded on respectively on two horizontal edge frame channel-section steels 2.1 and the three willfully strong channel-section steels 2.3, and other two afterbodys of turning round arm 1 are welded on two respectively and turn round arm fixedly on the channel-section steel 2.5.
Like Fig. 1 ~ shown in Figure 3, said sealed member mainly is made up of diaphragm seal framework 6, aluminosilicate fiberboard, interior lining panel 11, the first diaphragm seal assembly 5 and the second diaphragm seal assembly 7; Diaphragm seal framework 6 is through screw in the above on plate 3, the lower panel 10, in diaphragm seal framework 6, is provided with somely to ram 9, rams 9 directly to be welded on top plate 3, the lower panel 10; Aluminosilicate fiberboard is filled in the diaphragm seal framework 6, and interior lining panel 11 covers on the aluminosilicate fiberboard, and interior lining panel 11 is through 9 supportings and fastening with nut of raming; The said first diaphragm seal assembly 5 is installed in edge, diaphragm seal framework 6 surrounding through screw, and the said second diaphragm seal assembly 7 is installed in top plate 3, edge, lower panel 10 surrounding through screw.
In the utility model, the first diaphragm seal assembly 5 is identical with the second diaphragm seal assembly, 7 structures, is that example describes with the first diaphragm seal assembly 5 below.Like Fig. 7, shown in Figure 8; The said first diaphragm seal assembly 5 mainly is made up of diaphragm seal 5.1, spring sheet 5.2 and pressing plate 5.3; Diaphragm seal 5.1, spring sheet 5.2 and pressing plate 5.3 stack in order and through being bolted on diaphragm seal framework 6 edges, said spring sheet 5.2 bendings are V-arrangement, and the bottom of spring sheet 5.2 1 sides is through pressing plate 5.3 supportings; The edge of spring sheet 5.2 opposite sides is to upper support diaphragm seal 5.1, and diaphragm seal 5.1 upwards bends several angle.
As shown in Figure 8, the said diaphragm seal 5.1 upwards angle of bending is wanted size to fit, will guarantee enough sealing loads on the one hand, guarantees to have enough sealing contact surfaces on the other hand again.The utility model is according to long-term use experiment, and the said diaphragm seal 5.1 upwards angle of bending is set to 5 °.In addition, in order further to improve the sealability of diaphragm seal assembly, said diaphragm seal 5.1 two ends all are made as plagiocephaly, and the oblique angle of plagiocephaly is greater than 45 °, so that two diaphragm seals have certain overlapping part during 5.1 vertical splicings.
The structure of said driving mechanism is as shown in Figure 9, and it mainly is made up of torque tube 12, preceding supporting base 14, front-end bearing pedestal 15, front axle 18, fore bearing 24, bonnet 25, rear bearing 26, rear bearing block 27, back supporting base 28 and rear axle 29; Preceding supporting base 14, back supporting base 28 are welded on respectively on the front and back side external surface of three-way body, and front-end bearing pedestal 15, rear bearing block 27 are contained in preceding supporting base 14, the back supporting base 28 respectively and weld fixing; Said front axle 18 is assemblied in the front-end bearing pedestal 15 and through preceding black box through fore bearing 24 supportings and seals, and said rear axle 29 is assemblied in the rear bearing block 27 and through bonnet 25 through rear bearing 26 supportings and seals; Said torque tube 12 two ends are fixedly connected with front axle 18, rear axle 29 respectively, through flat key the driving wheel 19 that is used to drive front axle 18, torque tube 12 and rear axle 29 rotations are installed on the front axle 18, and the arm 1 of turning round on the said baffle body is fixedly connected on the torque tube 12.Said arm 1 front end of turning round is provided with and is used to be enclosed within the circular hole on the torque tube 12, turns round arm 1 and is welded to connect with torque tube 12, also is welded with stiffening plate 33 turning round on arm 1 and the torque tube 12.
Said torque tube 12 is as shown in Figure 9 with the Placement of front axle 18, rear axle 29, on front axle 18, rear axle 29, is respectively installed with front shaft sleeve 13, rear axle housing 30 and passes through flat key 32 to connect; Said torque tube 12 two ends are set on front shaft sleeve 13, the rear axle housing 30, and 31 connections and welding are fixing through pinning.
Like Fig. 9, shown in Figure 10, said front-end bearing pedestal 15 all is flanged bearing supports with rear bearing block 27; Black box mainly is made up of packing ring 16, follower 17, clamping ring 20, seal ring 21, Hough circle 22 and guard ring 23 before said; Follower 17 is connected with the flange of front-end bearing pedestal 15 through bolt, is provided with packing ring 16 and guard ring 23 between follower 17 and the front-end bearing pedestal 15, and guard ring 23 is contained on the front axle 18; Packing ring 16 is clamped between follower 17 and the front-end bearing pedestal 15; Said clamping ring 20, seal ring 21 and Hough circle 22 are contained in the follower 17, and clamp through clamping ring 20 seal ring 21 both sides, and seal ring 21 internal surfaces and front axle 18 surfaces contact; Hough circle 22 is contained in outside the seal ring 21, is used to be close to seal ring 21; Said bonnet 25 is connected with the flange of rear bearing block 27 through bolt.
Claims (10)
1. exhaust heat boiler bypass reversible deflector; Comprise baffle body and driving mechanism; It is characterized in that: said baffle body comprises turns round arm (1), framework (2), top plate (3), lower panel (10) and sealed member; The said arm (1) of turning round is welded on the framework (2), turns round arm (1) and is used to connect driving mechanism; The upper and lower surfaces of said framework (2) is welded with some sliding matses (4) respectively; Top plate (3), lower panel (10) are separately fixed on the sliding mats (4); Be connected through double-screw bolt (8) between top plate (3) and the lower panel (10), the sealed member that matches with three-way body is installed respectively on top plate (3), the lower panel (10).
2. exhaust heat boiler bypass reversible deflector as claimed in claim 1; It is characterized in that: said framework (2) comprise horizontal edge frame channel-section steel (2.1), longitudinal edge frame channel-section steel (2.2), willfully strong channel-section steel (2.3), vertically strengthen channel-section steel (2.4) and turn round fixedly channel-section steel (2.5) of arm; Two horizontal edge frame channel-section steels (2.1) and two longitudinal edge frame channel-section steels (2.2) are welded into rectangle rack; Three willfully strong, and channel-section steel (2.3) is parallel is welded on equally spacedly on two longitudinal edge frame channel-section steels (2.2); The vertical channel-section steel (2.4) of strengthening is welded on three willfully strong channel-section steel (2.3) middle parts, and two horizontal edge frame channel-section steels (2.1) divide one of welding to turn round fixedly channel-section steel (2.5) of arm with adjacent willfully strong channel-section steel (2.3) one ends; The said arm (1) of turning round has seven; Wherein five afterbodys of turning round arm (1) are welded on respectively and are welded on respectively on two horizontal edge frame channel-section steels (2.1) and the three willfully strong channel-section steels (2.3), and other two afterbodys of turning round arm (1) are welded on two respectively and turn round arm fixedly on the channel-section steel (2.5).
3. exhaust heat boiler bypass reversible deflector as claimed in claim 1 is characterized in that: said sealed member comprises diaphragm seal framework (6), aluminosilicate fiberboard, interior lining panel (11), the first diaphragm seal assembly (5) and the second diaphragm seal assembly (7); Diaphragm seal framework (6) is fixed in the above on plate (3), the lower panel (10), in diaphragm seal framework (6), is provided with some raming (9), and ram (9) directly are welded on top plate (3), the lower panel (10); Aluminosilicate fiberboard is filled in the diaphragm seal framework (6), and interior lining panel (11) covers on the aluminosilicate fiberboard, and interior lining panel (11) is through (9) supporting and fastening with nut of raming; The said first diaphragm seal assembly (5) is fixedly mounted on diaphragm seal framework (6) edge, surrounding, and the said second diaphragm seal assembly (7) is fixedly mounted on top plate (3), lower panel (10) edge, surrounding.
4. exhaust heat boiler bypass reversible deflector as claimed in claim 3; It is characterized in that: the said first diaphragm seal assembly (5) comprises diaphragm seal (5.1), spring sheet (5.2) and pressing plate (5.3); Diaphragm seal (5.1), spring sheet (5.2) and pressing plate (5.3) stack and through being bolted on diaphragm seal framework (6) edge in order; Said spring sheet (5.2) bending is V-arrangement; The bottom of spring sheet (5.2) one sides is through pressing plate (5.3) supporting, and the edge of spring sheet (5.2) opposite side is to upper support diaphragm seal (5.1), and diaphragm seal (5.1) upwards bends several angle; The said second diaphragm seal assembly (7) is identical with first diaphragm seal assembly (5) structure.
5. exhaust heat boiler bypass reversible deflector as claimed in claim 4 is characterized in that: said diaphragm seal (5.1) the upwards angle of bending is 5 °.
6. exhaust heat boiler bypass reversible deflector as claimed in claim 4 is characterized in that: said diaphragm seal (5.1) two ends are made as plagiocephaly, and the oblique angle of plagiocephaly is greater than 45 °.
7. exhaust heat boiler bypass reversible deflector as claimed in claim 1 is characterized in that: said driving mechanism comprises torque tube (12), preceding supporting base (14), front-end bearing pedestal (15), front axle (18), fore bearing (24), bonnet (25), rear bearing (26), rear bearing block (27), back supporting base (28) and rear axle (29); Preceding supporting base (14), back supporting base (28) are welded on respectively on the front and back side external surface of three-way body, and front-end bearing pedestal (15), rear bearing block (27) are contained in preceding supporting base (14), the back supporting base (28) respectively and fix; Said front axle (18) is assemblied in the front-end bearing pedestal (15) and through preceding black box through fore bearing (24) supporting and seals, and said rear axle (29) is assemblied in the rear bearing block (27) and through bonnet (25) through rear bearing (26) supporting and seals; Said torque tube (12) two ends are fixedly connected with front axle (18), rear axle (29) respectively; The driving wheel (19) that is used to drive front axle (18), torque tube (12) and rear axle (29) rotation is installed on the front axle (18), and the arm (1) of turning round on the said baffle body is fixedly connected on the torque tube (12).
8. exhaust heat boiler bypass reversible deflector as claimed in claim 7 is characterized in that: said front-end bearing pedestal (15) and rear bearing block (27) all are flanged bearing supports; Black box comprises packing ring (16), follower (17), clamping ring (20), seal ring (21), Hough circle (22) and guard ring (23) before said; Follower (17) is connected with the flange of front-end bearing pedestal (15) through bolt; Be provided with packing ring (16) and guard ring (23) between follower (17) and the front-end bearing pedestal (15); Guard ring (23) is contained on the front axle (18), and packing ring (16) is clamped between follower (17) and the front-end bearing pedestal (15), and said clamping ring (20), seal ring (21) and Hough circle (22) are contained in the follower (17); Clamp through clamping ring (20) seal ring (21) both sides; Seal ring (21) internal surface contacts with front axle (18) surface, and Hough circle (22) is contained in outside the seal ring (21), is used to be close to seal ring (21); Said bonnet (25) is connected with the flange of rear bearing block (27) through bolt.
9. exhaust heat boiler bypass reversible deflector as claimed in claim 7; It is characterized in that: said arm (1) front end of turning round is provided with and is used to be enclosed within the circular hole on the torque tube (12); Turn round arm (1) and torque tube (12) and be welded to connect, also be welded with stiffening plate (33) turning round on arm (1) and the torque tube (12).
10. exhaust heat boiler bypass reversible deflector as claimed in claim 7 is characterized in that: be respectively installed with front shaft sleeve (13), rear axle housing (30) on said front axle (18), the rear axle (29) and pass through flat key (32) connection; Said torque tube (12) two ends are set on front shaft sleeve (13), the rear axle housing (30), and are fixing through pin (31) connection and welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203867655U CN202252111U (en) | 2011-10-11 | 2011-10-11 | Afterheat boiler bypass reversing baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203867655U CN202252111U (en) | 2011-10-11 | 2011-10-11 | Afterheat boiler bypass reversing baffle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252111U true CN202252111U (en) | 2012-05-30 |
Family
ID=46113354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203867655U Withdrawn - After Issue CN202252111U (en) | 2011-10-11 | 2011-10-11 | Afterheat boiler bypass reversing baffle plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252111U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425686A (en) * | 2011-10-11 | 2012-04-25 | 无锡市华通电力设备有限公司 | Bypass reversing baffle plate for waste heat boiler |
| CN104197349A (en) * | 2014-09-18 | 2014-12-10 | 无锡市华通电力设备有限公司 | Boiler smoke bypass reversing retainer device |
| CN105179740A (en) * | 2015-10-14 | 2015-12-23 | 无锡市华通电力设备有限公司 | Boiler flue thermoregulation baffle structure |
| CN105546131A (en) * | 2015-08-24 | 2016-05-04 | 朱小菊 | Firefighting ventilating duct valve |
-
2011
- 2011-10-11 CN CN2011203867655U patent/CN202252111U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425686A (en) * | 2011-10-11 | 2012-04-25 | 无锡市华通电力设备有限公司 | Bypass reversing baffle plate for waste heat boiler |
| CN102425686B (en) * | 2011-10-11 | 2013-03-13 | 无锡市华通电力设备有限公司 | Bypass reversing baffle plate for waste heat boiler |
| CN104197349A (en) * | 2014-09-18 | 2014-12-10 | 无锡市华通电力设备有限公司 | Boiler smoke bypass reversing retainer device |
| CN105546131A (en) * | 2015-08-24 | 2016-05-04 | 朱小菊 | Firefighting ventilating duct valve |
| CN105179740A (en) * | 2015-10-14 | 2015-12-23 | 无锡市华通电力设备有限公司 | Boiler flue thermoregulation baffle structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20130313 |
|
| RGAV | Abandon patent right to avoid regrant |