CN201908107U - Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace - Google Patents

Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace Download PDF

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Publication number
CN201908107U
CN201908107U CN2010206697346U CN201020669734U CN201908107U CN 201908107 U CN201908107 U CN 201908107U CN 2010206697346 U CN2010206697346 U CN 2010206697346U CN 201020669734 U CN201020669734 U CN 201020669734U CN 201908107 U CN201908107 U CN 201908107U
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China
Prior art keywords
layer
tapetum fibrosum
annealing furnace
fire door
assembly
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Expired - Fee Related
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CN2010206697346U
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Chinese (zh)
Inventor
夏玉波
付崇涛
杨国利
王秋
王文霞
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HARBIN SONGJIANG ELECTRIC CO Ltd
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HARBIN SONGJIANG ELECTRIC CO Ltd
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Abstract

The utility model discloses an annealing furnace full-fiber composite liner on a heating cover of a gas cover type annealing furnace, which relates to a composite liner and aims at solving the problems that the overall weight is larger, the existing liner is easy to deform and destroy in the processes of using and lifting movement, the structure is complex, and the service life is short as a burner block is supported by a fiber brick formed by aluminium silicate at the middle-lower part of the annealing furnace liner on the heating cover of the existing gas cover type annealing furnace, a special-shaped heat resisting burner needs to be made at a burner, and an annular sealed ring is wrapped by glass wool cloth at the sealing part of a lower fire door. The full-fiber composite liner comprises an upper assembly, a lower assembly, a smoke vent assembly and a steel wire gauze, wherein the barrel-shaped upper assembly is arranged on the barrel-shaped lower assembly, the smoke vent assembly is arranged at a smoke vent, and the steel wire gauze is fixed on the inner wall of the top end surface of the upper assembly and the inner wall of the smoke vent assembly. The full-fiber composite liner is used on the heating cover of the gas cover type annealing furnace.

Description

The full fiber composite furnace lining of annealing furnace on the combustion gas bell type annealing furnace heating mantles
Technical field
The utility model relates to a kind of compound Lining.
Background technology
The furnace lining middle and lower part of the annealing furnace on the existing combustion gas bell type annealing furnace heating mantles adopts pure aluminium silicate shaping fiber brick (hard structure) to support burner block, and overall weight is heavier, is using and lifting the yielding and destruction of furnace lining in the moving process; Therefore the temperature of burner place different and fuel combustion and flame ejection because of nozzle structure needs the resistant to elevated temperatures burner block of customized especially abnormity than higher, causes complex structure, cost of manufacture height, certain production cycle of needs; Following fire door sealing place adopts glass wool cloth parcel alumina-silicate refractory fibre blanket to make grommet type seals, prevents that furnace heat is excessive, and glass wool cloth is owing to limit by use temperature, and very easily breakage needs often to change, and makes troubles to maintenance of the equipment;
Brick matter structure furnace lining heat storage capacity is bigger, and continuously under the service condition, thermosteresis is bigger at heating mantles; In sum, because its specific project organization and specific working conditions have determined that the work-ing life of this kind furnace lining is very limited, so the maintenance of equipment cost is higher.
The utility model content
The purpose of this utility model is to adopt pure aluminium silicate shaping fiber brick to support burner block for the annealing furnace furnace lining middle and lower part that solves on the existing combustion gas bell type annealing furnace heating mantles, the burner place needs the resistant to elevated temperatures burner block of customized especially abnormity, the grommet type seals of glass wool cloth parcel is adopted in following fire door sealing place, cause overall weight heavier, using and lifting the yielding and destruction of furnace lining in the moving process, the problem that complex structure, work-ing life lack provides the annealing furnace on a kind of combustion gas bell type annealing furnace heating mantles full fiber composite furnace lining.
The utility model comprises the top assembly, lower component, mouth assembly and woven wire, described top assembly is by top the first layer tapetum fibrosum, top second layer tapetum fibrosum, the 3rd layer of tapetum fibrosum in top, the 4th layer of tapetum fibrosum in top, top layer 5 tapetum fibrosum, top layer 6 tapetum fibrosum and top layer 7 tapetum fibrosum are formed, described top the first layer tapetum fibrosum, top second layer tapetum fibrosum, the 3rd layer of tapetum fibrosum in top, the 4th layer of tapetum fibrosum in top, top layer 5 tapetum fibrosum, top layer 6 tapetum fibrosum and top layer 7 tapetum fibrosum are laid from outside to inside and are constituted the tubular structure with top end face, described lower component is by bottom the first layer tapetum fibrosum, bottom second layer tapetum fibrosum, the middle part module layer, burner portion module layer, fire door portion module layer and fire door portion fiber tube are formed, described bottom the first layer tapetum fibrosum and bottom second layer tapetum fibrosum are laid the formation tubular from outside to inside, the middle part module layer, burner portion module layer and fire door portion module layer from top to bottom are provided with and lay along the inwall of bottom second layer tapetum fibrosum, the middle part module layer is made up of 32 high-purity type ceramic fiber folded pieces, 32 high-purity type ceramic fiber folded pieces are along the uniform setting of the cross section of middle part module layer, burner portion module layer contains zircon ceramic fiber folded piece by 32 and forms, 32 uniform settings of cross section that contain zircon ceramic fiber folded piece along burner portion module layer, fire door portion module layer is made up of 24 high-purity type ceramic fiber folded pieces, 24 high-purity type ceramic fiber folded pieces are along the uniform setting of cross section of fire door portion module layer, the inwall that fire door portion fiber tube is arranged on the following of fire door portion module layer and fire door portion fiber tube aligns with the inwall of fire door portion module layer, the sidewall of top assembly is provided with exhaust smoke hole, the mouth assembly is by mouth the first layer tapetum fibrosum, the 3rd layer of tapetum fibrosum of mouth second layer tapetum fibrosum and mouth formed, mouth the first layer tapetum fibrosum, the 3rd layer of tapetum fibrosum of mouth second layer tapetum fibrosum and mouth laid from outside to inside and constituted the rectangle identical with the exhaust smoke hole shape, the top assembly of tubular is arranged on the lower component of tubular, the mouth assembly is arranged on the exhaust smoke hole place, and the top end face inwall on the assembly of top and the inwall of mouth assembly are fixed with woven wire.
The utility model compared with prior art has following beneficial effect: one, the middle part module layer and the fire door portion module layer of the inner heat affected zone of furnace lining of the present utility model are high-purity type ceramic fiber, because the high-temperature resistant of high-purity type ceramic fiber can reach 1260 ℃, this shows, the utility model has prolonged the work-ing life of furnace lining, and it is simple in structure, cost of manufacture is low; Because the temperature of burner region is generally about 1150 ℃, burner portion module layer adopts and contains the zircon ceramic fiber, make burner portion module layer heatproof can reach 1260 ℃, reduce the heat affecting of flame effectively to the furnace lining internal surface, prolong furnace lining work-ing life, avoided burner place in original furnace lining structure to adopt special special shaped brick and shortcomings such as the fabrication cycle length brought, production cost height.Two, reasonable in design, simple in structure, the easy handling of the utility model, reliable operation.
Description of drawings
Fig. 1 is an one-piece construction sectional view of the present utility model, and Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the I partial enlarged drawing of Fig. 1, and Fig. 4 is the B-B sectional view of Fig. 1, and Fig. 5 is the II partial enlarged drawing of Fig. 1, and Fig. 6 is the C-C sectional view of Fig. 1, and Fig. 7 is the D-D sectional view of Fig. 1.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1~Fig. 7, present embodiment comprises top assembly 1, lower component 2, mouth assembly 3 and woven wire 4, top assembly 1 is by top the first layer tapetum fibrosum 1-1, top second layer tapetum fibrosum 1-2, the 3rd layer of tapetum fibrosum 1-3 in top, the 4th layer of tapetum fibrosum 1-4 in top, top layer 5 tapetum fibrosum 1-5, top layer 6 tapetum fibrosum 1-6 and top layer 7 tapetum fibrosum 1-7 form, top the first layer tapetum fibrosum 1-1, top second layer tapetum fibrosum 1-2, the 3rd layer of tapetum fibrosum 1-3 in top, the 4th layer of tapetum fibrosum 1-4 in top, top layer 5 tapetum fibrosum 1-5, top layer 6 tapetum fibrosum 1-6 and top layer 7 tapetum fibrosum 1-7 lay from outside to inside and constitute the tubular structure with top end face, top assembly 1 is by several connect elements 6 each layer tapetum fibrosum connections with it, lower component 2 is by bottom the first layer tapetum fibrosum 2-1, bottom second layer tapetum fibrosum 2-2, middle part module layer 2-3, the module layer 2-4 of burner portion, module layer 2-5 of fire door portion and the fiber tube 2-6 of fire door portion form, bottom the first layer tapetum fibrosum 2-1 and bottom second layer tapetum fibrosum 2-2 lay the formation tubular from outside to inside, middle part module layer 2-3, module layer 2-4 of burner portion and the module layer 2-5 of fire door portion from top to bottom are provided with and lay along the inwall of bottom second layer tapetum fibrosum 2-2, middle part module layer 2-3 is made up of 32 high-purity type ceramic fiber folded pieces, 32 high-purity type ceramic fiber folded pieces are along the uniform setting of cross section of middle part module layer 2-3, the module layer 2-4 of burner portion contains zircon ceramic fiber folded piece by 32 and forms, 32 uniform settings of cross section that contain zircon ceramic fiber folded piece along the module layer 2-4 of burner portion, the module layer 2-5 of fire door portion is made up of 24 high-purity type ceramic fiber folded pieces, 24 high-purity type ceramic fiber folded pieces are along the uniform setting of cross section of the module layer 2-5 of fire door portion, the inwall that the fiber tube 2-6 of fire door portion is arranged on the following of the module layer 2-5 of fire door portion and the fiber tube 2-6 of fire door portion aligns with the inwall of the module layer 2-5 of fire door portion, the sidewall of top assembly 1 is provided with exhaust smoke hole 1-8, be connected by several connect elements 6 between bottom the first layer tapetum fibrosum 2-1 and the bottom second layer tapetum fibrosum 2-2, between middle part module layer 2-3 and the bottom second layer tapetum fibrosum 2-2, between module layer 2-4 of burner portion and the bottom second layer tapetum fibrosum 2-2, all be connected between the module layer 2-5 of fire door portion and the bottom second layer tapetum fibrosum 2-2 by stainless steel anchoring piece 9, mouth assembly 3 is by mouth the first layer tapetum fibrosum 3-1, the 3rd layer of tapetum fibrosum 3-3 of mouth second layer tapetum fibrosum 3-2 and mouth forms, mouth the first layer tapetum fibrosum 3-1, the 3rd layer of tapetum fibrosum 3-3 of mouth second layer tapetum fibrosum 3-2 and mouth lays from outside to inside and constitutes and the identical rectangle of exhaust smoke hole 1-8 shape, orthogonal mouth assembly 3 is by several connect elements 6 each layer tapetum fibrosum connections with it, the top assembly 1 of tubular is arranged on the lower component 2 of tubular, mouth assembly 3 is arranged on exhaust smoke hole 1-8 place, and the top end face inwall on the top assembly 1 and the inwall of mouth assembly 3 are fixed with woven wire 4.
The material of top the first layer tapetum fibrosum 1-1, top second layer tapetum fibrosum 1-2, the 3rd layer of tapetum fibrosum 1-3 in top, bottom the first layer tapetum fibrosum 2-1, bottom second layer tapetum fibrosum 2-2 and mouth the first layer tapetum fibrosum 3-1 is the standard type ceramic fiber, and (alumina content of standard type ceramic fiber accounts for about 40%, the total content of aluminum oxide and silicon oxide accounts for below 97%, 1000 ℃ of heatproofs commonly used); The material of the 4th layer of tapetum fibrosum 1-4 in top, top layer 5 tapetum fibrosum 1-5, top layer 6 tapetum fibrosum 1-6, top layer 7 tapetum fibrosum 1-7, middle part module layer 2-3, the module layer 2-5 of fire door portion, the fiber tube 2-6 of fire door portion, mouth second layer tapetum fibrosum 3-2 and the 3rd layer of tapetum fibrosum 3-3 of mouth is high-purity type ceramic fiber (alumina content of high-purity type ceramic fiber 〉=more than 45%, the total content of aluminum oxide and silicon oxide accounts for more than 98~99%, high-temperature resistant can reach 1260 ℃, and the life-time service temperature is 1100 ℃); The material of the module layer 2-4 of burner portion is for containing zircon ceramic fiber (zirconia content that contains the zircon ceramic fiber accounts for 15%, and alumina content accounts for about 40%, and heatproof can reach 1430 ℃, and the life-time service temperature is 1260 ℃, and zirconium white can improve the heat resistance of aluminum oxide).
Embodiment two: present embodiment is described in conjunction with Fig. 1 and Fig. 3, the thickness of the 4th layer of tapetum fibrosum 1-4 in the top of present embodiment, top layer 5 tapetum fibrosum 1-5, top layer 6 tapetum fibrosum 1-6 and top layer 7 tapetum fibrosum 1-7 equates, the thickness of the first layer tapetum fibrosum 1-1, top second layer tapetum fibrosum 1-2 and the 3rd layer of tapetum fibrosum 1-3 in top equates, and the thickness of the 3rd layer of tapetum fibrosum 1-3 in top is 2 times of thickness of the 4th layer of tapetum fibrosum 1-4 in top.Other composition and annexation are identical with embodiment one.
Embodiment three: in conjunction with Fig. 1 present embodiment is described, the thickness of the bottom the first layer tapetum fibrosum 2-1 of present embodiment and the thickness sum of bottom second layer tapetum fibrosum 2-2 equal the thickness of top the first layer tapetum fibrosum 1-1.Other composition and annexation are identical with embodiment one or two.
Embodiment four: present embodiment is described in conjunction with Fig. 3, the thickness of the mouth the first layer tapetum fibrosum 3-1 of present embodiment equates that with the thickness of top the first layer tapetum fibrosum 1-1 the thickness of the 4th layer of tapetum fibrosum 1-4 of thickness and top of the thickness of mouth second layer tapetum fibrosum 3-2 and the 3rd layer of tapetum fibrosum 3-3 of mouth equates.Other composition and annexation are identical with embodiment three.
Embodiment five: present embodiment is described in conjunction with Fig. 1 and Fig. 5, present embodiment and embodiment four are different is that it also increases fire door seal assembly 5 is arranged, fire door seal assembly 5 is made up of fire door fibrous ring 5-1 and cloth 5-2, the outside surface parcel cloth 5-2 of fire door fiber tube 5-1, fire door seal assembly 5 be positioned at the fiber tube 2-6 of fire door portion below, and fire door seal assembly 5 is fixed on the end opening 8-1 place of furnace shell 8 with rod iron 7.The material of fire door fiber tube 5-1 and cloth 5-2 is the standard type ceramic fiber, and the alumina content of standard type ceramic fiber accounts for about 40%, and the content total with silicon oxide accounts for below 97%, 1000 ℃ of heatproofs commonly used.Design makes not cracky of fire door fiber tube 5-1, cloth 5-2 wrap up conveniently like this, need not frequently change, and saves time, and has reduced maintenance cost.Other composition and annexation are identical with embodiment four.
Embodiment six: present embodiment and embodiment five are different is that it also increases the solidifying agent layer is arranged, and the solidifying agent layer is sprayed on the furnace lining internal surface.Design can strengthen the ability of internal surface opposing airflow scouring like this, can prevent that also the dust after the efflorescence of fiber crystallization from overflowing outside the stove, improves the work-ing life of furnace lining.Other composition and annexation are identical with embodiment five.
Test-results of the present utility model: furnace lining of the present utility model calculates through steady heat conduction, and appearance side wall appearance temperature is 49.9 ℃, satisfies design specifications fully to the requirement of industrial furnace wall surface temperature standard (side wall≤70 ℃), reaches energy conservation standard.

Claims (6)

1. the full fiber composite furnace lining of annealing furnace on the combustion gas bell type annealing furnace heating mantles, it is characterized in that: described compound Lining comprises top assembly (1), lower component (2), mouth assembly (3) and woven wire (4), described top assembly (1) is by top the first layer tapetum fibrosum (1-1), top second layer tapetum fibrosum (1-2), the 3rd layer of tapetum fibrosum in top (1-3), the 4th layer of tapetum fibrosum in top (1-4), top layer 5 tapetum fibrosum (1-5), top layer 6 tapetum fibrosum (1-6) and top layer 7 tapetum fibrosum (1-7) are formed, described top the first layer tapetum fibrosum (1-1), top second layer tapetum fibrosum (1-2), the 3rd layer of tapetum fibrosum in top (1-3), the 4th layer of tapetum fibrosum in top (1-4), top layer 5 tapetum fibrosum (1-5), top layer 6 tapetum fibrosum (1-6) and top layer 7 tapetum fibrosum (1-7) are laid from outside to inside and are constituted the tubular structure with top end face, described lower component (2) is by bottom the first layer tapetum fibrosum (2-1), bottom second layer tapetum fibrosum (2-2), middle part module layer (2-3), burner portion module layer (2-4), fire door portion module layer (2-5) and fire door portion fiber tube (2-6) are formed, described bottom the first layer tapetum fibrosum (2-1) and bottom second layer tapetum fibrosum (2-2) are laid from outside to inside and are constituted tubular, middle part module layer (2-3), burner portion module layer (2-4) and fire door portion module layer (2-5) from top to bottom are provided with and lay along the inwall of bottom second layer tapetum fibrosum (2-2), middle part module layer (2-3) is made up of 32 high-purity type ceramic fiber folded pieces, 32 high-purity type ceramic fiber folded pieces are along the uniform setting of cross section of middle part module layer (2-3), burner portion module layer (2-4) contains zircon ceramic fiber folded piece by 32 and forms, 32 uniform settings of cross section that contain zircon ceramic fiber folded piece along burner portion module layer (2-4), fire door portion module layer (2-5) is made up of 24 high-purity type ceramic fiber folded pieces, 24 high-purity type ceramic fiber folded pieces are along the uniform setting of cross section of fire door portion module layer (2-5), the inwall that fire door portion fiber tube (2-6) is arranged on the following of fire door portion module layer (2-5) and fire door portion fiber tube (2-6) aligns with the inwall of fire door portion module layer (2-5), the sidewall of top assembly (1) is provided with exhaust smoke hole (1-8), mouth assembly (3) is by mouth the first layer tapetum fibrosum (3-1), mouth second layer tapetum fibrosum (3-2) and the 3rd layer of tapetum fibrosum of mouth (3-3) are formed, mouth the first layer tapetum fibrosum (3-1), mouth second layer tapetum fibrosum (3-2) is laid from outside to inside with the 3rd layer of tapetum fibrosum of mouth (3-3) and is constituted and the identical rectangle of exhaust smoke hole (1-8) shape, the top assembly (1) of tubular is arranged on the lower component (2) of tubular, mouth assembly (3) is arranged on exhaust smoke hole (1-8) and locates, and the inwall of top end face inwall on the top assembly (1) and mouth assembly (3) is fixed with woven wire (4).
2. according to the full fiber composite furnace lining of annealing furnace on the described combustion gas bell type annealing furnace of claim 1 heating mantles, it is characterized in that: the thickness of the 4th layer of tapetum fibrosum in top (1-4), top layer 5 tapetum fibrosum (1-5), top layer 6 tapetum fibrosum (1-6) and top layer 7 tapetum fibrosum (1-7) equates, the thickness of the first layer tapetum fibrosum (1-1), top second layer tapetum fibrosum (1-2) and the 3rd layer of tapetum fibrosum in top (1-3) equates, and the thickness of the 3rd layer of tapetum fibrosum in top (1-3) is 2 times of thickness of the 4th layer of tapetum fibrosum in top (1-4).
3. according to the full fiber composite furnace lining of annealing furnace on claim 1 or the 2 described combustion gas bell type annealing furnace heating mantleses, it is characterized in that: the thickness sum of the thickness of bottom the first layer tapetum fibrosum (2-1) and bottom second layer tapetum fibrosum (2-2) equals the thickness of top the first layer tapetum fibrosum (1-1).
4. according to the full fiber composite furnace lining of annealing furnace on the described combustion gas bell type annealing furnace of claim 3 heating mantles, it is characterized in that: the thickness of mouth the first layer tapetum fibrosum (3-1) equates that with the thickness of top the first layer tapetum fibrosum (1-1) thickness of the thickness of mouth second layer tapetum fibrosum (3-2) and the 3rd layer of tapetum fibrosum of mouth (3-3) equates with the thickness of the 4th layer of tapetum fibrosum in top (1-4).
5. according to the full fiber composite furnace lining of annealing furnace on the described combustion gas bell type annealing furnace of claim 4 heating mantles, it is characterized in that: described compound Lining also comprises fire door seal assembly (5), fire door seal assembly (5) is made up of fire door fibrous ring (5-1) and cloth (5-2), the outside surface of fire door fiber tube (5-1) parcel cloth (5-2), fire door seal assembly (5) be positioned at fire door portion fiber tube (2-6) below.
6. according to the full fiber composite furnace lining of annealing furnace on the described combustion gas bell type annealing furnace of claim 5 heating mantles, it is characterized in that: described compound Lining also comprises the solidifying agent layer, and the solidifying agent layer is sprayed on the furnace lining internal surface.
CN2010206697346U 2010-12-20 2010-12-20 Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace Expired - Fee Related CN201908107U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914158A (en) * 2011-08-01 2013-02-06 中国石油化工集团公司 Observation hole lining of ceramic fiber modules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914158A (en) * 2011-08-01 2013-02-06 中国石油化工集团公司 Observation hole lining of ceramic fiber modules
CN102914158B (en) * 2011-08-01 2014-10-15 中国石油化工集团公司 Observation hole lining of ceramic fiber modules

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace

Effective date of registration: 20150608

Granted publication date: 20110727

Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province

Pledgor: Harbin Songjiang Electric Co., Ltd.

Registration number: 2015230000013

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PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20160602

Granted publication date: 20110727

Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province

Pledgor: Harbin Songjiang Electric Co., Ltd.

Registration number: 2015230000013

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace

Effective date of registration: 20160614

Granted publication date: 20110727

Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province

Pledgor: Harbin Songjiang Electric Co., Ltd.

Registration number: 2016230000008

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right
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Date of cancellation: 20180413

Granted publication date: 20110727

Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province

Pledgor: Harbin Songjiang Electric Co., Ltd.

Registration number: 2016230000008

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110727

Termination date: 20171220