CN205731443U - It is applied to the wear-resisting beater plate of blower mill - Google Patents
It is applied to the wear-resisting beater plate of blower mill Download PDFInfo
- Publication number
- CN205731443U CN205731443U CN201620526609.7U CN201620526609U CN205731443U CN 205731443 U CN205731443 U CN 205731443U CN 201620526609 U CN201620526609 U CN 201620526609U CN 205731443 U CN205731443 U CN 205731443U
- Authority
- CN
- China
- Prior art keywords
- wearing layer
- layer
- beater plate
- wear
- resisting
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
This utility model belongs to power plant mechanical fitting applied technical field, specifically disclose the wear-resisting beater plate being applied to blower mill, including beater plate body, and be symmetricly set on the first connection clamp at beater plate body two ends, the second connection clamp, and it is arranged on the first wearing layer, the second wearing layer and the 3rd wearing layer in beater plate body one side；Described 3rd wearing layer is arranged in the middle of the first wearing layer, the second wearing layer.Having the beneficial effects that of the wear-resisting beater plate being applied to blower mill of the present utility model: 1, its design is rational in infrastructure, and be easily installed and safeguard, built-up welding spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer on beater plate body simultaneously, make its life-span long, and without often maintenance or replacing, thus ensure normal power generation coal-grinding efficiency and reduce production cost of electricity-generating；2, it is used in combination with the pulverizing impeller of blower mill, and crush efficiency is high and granule is thin so that the abundant burning of pulverized coal particle, reduces environmental pollution.
Description
Technical field
This utility model belongs to power plant mechanical fitting applied technical field, is specifically related to be applied to the resistance to of blower mill
Mill beater plate, built-up welding spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer on beater plate body, improve and hit
Plate friction durability.
Background technology
Coal is the generating basic material that current domestic steam power plant is main, and coal briquette can be ground in small, broken bits by blower mill,
It is effectively improved the efficiency of fire coal of large thermal power plant.Power station coal pulverizer according to the high, normal, basic rotating speed of coal-grinding parts, just
Boiler of power plant coal pulverizer is divided into three different types, and fan mill is just belonging to high speed this class of coal pulverizer.Fan
The operation principle of the multistage coal pulverizer of formula, it is simply that the raw coal in coal bunker to be worn into coal dust in first delivering to coal pulverizer by workman, then leads to
Cross conveyer belt and coal dust is blown into Powder discharging fan under the drive of hot-air, subsequently into the stove chamber inner combustion of boiler.Wherein, because
The similar blower fan of structure of fan mill, wheel speed is up to 750-1500r/min, the multistage coal pulverizer of fan-type run time, raw coal with
Desiccant enters fan mill and carries out smashing grinding, and the process of whole coal-grinding is clashed into raw coal with impeller exactly and is broken for main
, because the feature of the multistage coal pulverizer of fan-type has concentrated dry on conventional thermal power plant coal-grinding line, broken, three kinds of merits of conveying exactly
Can, need not the most additionally increase blower fan in process of production and carry out coal dust conveying, so being effectively saved the energy resource consumption of manufacture,
Decrease the input of equipment, operation can carry out coal according to the ratio that coal-fired moisture regulates hot stove cigarette, black furnace cigarette and hot-air
Being dried of powder, has good explosion-proof, thus the multistage coal pulverizer of fan-type also obtains being widely used of many steam power plants.
In power plants generating electricity, the most all can carry out the consideration of machine according to selected coal, fan mill is relative
Other coal pulverizers, are more suitable for grinding high water content brown coal and the softer bituminous coal of properties.Blower mill work process in,
The fineness of pulverized coal grinding is also related to the quality that power plants generating electricity burns.Fan mill complete pulverizing grinding work with
After, point coal dust can be blown into boiler by heat, then coal dust fully burn, at boiler, the heat smoke formed afterwards can be along boiler
Flowing carries out heat release, follow-up carries out coal ash separation, and the grinding efficiency of fan mill and fine degree have one well
Ensure, then being easier to, coal dust fully burns at boiler, also can improve the utilization rate of coal dust, reduce environmental pollution.
As can be seen here, current fan mill is used by most of power plants, and due to the work of fan mill
As impact type, so requiring higher to its composition structure such as beater plate, it needs not only to be rapidly performed by dismounting, also to have
Have wear-resisting, impact resistance, high temperature resistant an etc. characteristic, the existing beater plate for fan mill, structure complicated and without wear-resisting,
Impact resistance, the characteristic such as high temperature resistant, the assembling that can not meet existing blower mill uses demand, and this is currently urgently to solve
Certainly.
Therefore, based on the problems referred to above, this utility model provides the wear-resisting beater plate being applied to blower mill.
Utility model content
Utility model purpose: the purpose of this utility model is to provide the wear-resisting beater plate being applied to blower mill, and it sets
Count rational in infrastructure, and be easily installed and safeguard, simultaneously built-up welding spherical cast WC/Ni base alloy-layer or coarse-grain on beater plate body
WC/Ni base alloy-layer so that it is the life-span is long, and without often maintenance or replacing, thus ensure normal power generation coal-grinding efficiency and reduce raw
Produce cost of electricity-generating.
Technical scheme: this utility model provides the wear-resisting beater plate being applied to blower mill, including beater plate body, and
It is symmetricly set on the first connection clamp at beater plate body two ends, the second connection clamp, and is arranged in beater plate body one side
The first wearing layer, the second wearing layer and the 3rd wearing layer；Described 3rd wearing layer is arranged on the first wearing layer, the second wearing layer
Centre, wherein, the thickness δ of the 3rd wearing layer 2 is respectively greater than the first wearing layer, the second wearing layer, the first wearing layer, second wear-resisting
Thickness δ 1, the δ 3 of layer are identical；Described first wearing layer, the thickness δ 1 of the second wearing layer, δ 3 are respectively 8mm-20mm, and the 3rd is wear-resisting
The thickness δ 2 of layer is 40mm-60mm.
The technical program, the middle both sides that described 3rd wearing layer is separately positioned on beater plate body.
The technical program, described in be applied to the wear-resisting beater plate of blower mill, also include arranging beater plate body with
First connects clamp, the groove of the second connection clamp joint face.
The technical program, described in be applied to the wear-resisting beater plate of blower mill, also include being arranged on beater plate body
On another side and corresponding with the first wearing layer, the second wearing layer and the 3rd wearing layer position respectively the 4th wearing layer, the 5th
Wearing layer and the 6th wearing layer.
The technical program, the thickness of described 4th wearing layer, the 5th wearing layer and the 6th wearing layer is resistance to first respectively
Mill layer, the second wearing layer and the 3rd wearing layer are identical.
The technical program, described first wearing layer, the second wearing layer, the 3rd wearing layer, the 4th wearing layer, the 5th wear-resisting
Layer and the 6th wearing layer are spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer, wherein, spherical cast WC/Ni base
Alloy-layer or crude crystal WC/Ni base alloy-layer all use bead-welding technology to be thermally melted on beater plate body.
The technical program, described spherical cast WC/Ni base alloy-layer, by spherical cast WC powder and Ni base alloyed powder group
Becoming, wherein, spherical cast WC powder, including the F.C of the T.C that content is the W of 95-96%, 3.8-4.1% He≤0.08%；Ni base alloy
Powder, including the B that content is the Cr of 11-15%, 2-3%, the C of the Si of 3-4.5%, 0.2-0.6%, the Fe of≤5%, surplus is Ni.
The technical program, described crude crystal WC/Ni base alloy-layer, it is made up of, wherein, slightly crude crystal WC powder and Ni base alloyed powder
Brilliant WC powder, is the T.C of 6.1-6.2% including content, and the F.C of≤0.06%, surplus is W；Ni base alloyed powder, is 11-including content
The C of the Si of the B of the Cr of 15%, 2-3%, 3-4.5%, 0.2-0.6%, the Fe of≤5%, surplus is Ni.
Compared with prior art, the beneficial effect of the wear-resisting beater plate being applied to blower mill of the present utility model exists
In: 1, its design is rational in infrastructure, and is easily installed and safeguards, simultaneously built-up welding spherical cast WC/Ni base alloy on beater plate body
Layer or crude crystal WC/Ni base alloy-layer so that it is the life-span is long, and without often maintenance or replacing, thus ensure normal power generation coal-grinding efficiency
And reduce production cost of electricity-generating；2, it is used in combination with the pulverizing impeller of blower mill, and crush efficiency is high and granule is thin, makes
Obtain the abundant burning of pulverized coal particle, reduce environmental pollution.
Accompanying drawing explanation
Fig. 1, Fig. 2 and Fig. 3 are the knots of the embodiment one of the wear-resisting beater plate being applied to blower mill of the present utility model
Structure schematic diagram；
Fig. 4 is the structural representation of the embodiment two of the wear-resisting beater plate being applied to blower mill of the present utility model；
Fig. 5 and Fig. 6 is that the structure of the embodiment three of the wear-resisting beater plate being applied to blower mill of the present utility model is shown
It is intended to；
Wherein, in figure, sequence number mark is as follows: 1-beater plate body, 2-first connect clamp, 3-second connects clamp, 4-the
One wearing layer, 5-the second wearing layer, 6-the 3rd wearing layer, 7-groove, 8-the 5th wearing layer, 9-the 6th wearing layer, 10-the 4th are resistance to
Mill layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model.
The wear-resisting beater plate being applied to blower mill as shown in Figure 1, Figure 2 and Figure 3, including beater plate body 1 and right
Claim the first connection clamp 2, second being arranged on beater plate body 1 two ends to connect clamp 3, and be arranged on beater plate body 1 one side
On the first wearing layer the 4, second wearing layer 5 and the 3rd wearing layer 6；It is resistance to that 3rd wearing layer 6 is arranged on the first wearing layer 4, second
In the middle of mill layer 5, wherein, the thickness δ 2 of the 3rd wearing layer 6 is respectively greater than first wearing layer the 4, second wearing layer 5, the first wearing layer
4, the thickness δ 1 of the second wearing layer 5, δ 3 are identical；The thickness δ 1 of first wearing layer the 4, second wearing layer 5, δ 3 are respectively 8mm-
20mm, the thickness δ 2 of the 3rd wearing layer 6 is 40mm-60mm.
It is further preferred that the 3rd wearing layer 6 is separately positioned on the middle both sides on beater plate body 1, both sides are coal dust
Outlet, improves the wearability of both sides；It is applied to the wear-resisting beater plate of blower mill, also includes arranging beater plate body 1 and
One connects clamp 2, second connects the groove 7 of clamp 3 joint face, improves the efficiency of assembling, and then the broken coal that ensures to generate electricity normally
Requirement；First wearing layer the 4, second wearing layer the 5, the 3rd wearing layer 6 is spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base
Alloy-layer, wherein, spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer all use bead-welding technology to be thermally melted in strike
On plate body 1, production technology efficiency is high and surfacing quality is stable, reliable；Spherical cast WC/Ni base alloy-layer, by spherical cast
WC powder and Ni base alloyed powder composition, wherein, spherical cast WC powder, including the T.C that content is the W of 95-96%, 3.8-4.1% and≤
The F.C of 0.08%；Ni base alloyed powder, including the B that content is the Cr of 11-15%, 2-3%, the C of the Si of 3-4.5%, 0.2-0.6% ,≤
The Fe of 5%, surplus is Ni, and a height of 2700HV0.1 of wearing layer structural rigidity of its built-up welding, wearability is good, porosity is low, anti-impact
Hit function admirable；Crude crystal WC/Ni base alloy-layer, is made up of crude crystal WC powder and Ni base alloyed powder, and wherein, crude crystal WC powder, including containing
Amount is T.C, the F.C of≤0.06% of 6.1-6.2%, and surplus is W；Ni base alloyed powder, is the Cr of 11-15% including content, 2-3%'s
The C of the Si of B, 3-4.5%, 0.2-0.6%, the Fe of≤5%, surplus is Ni, and the wearing layer structural rigidity of its built-up welding is a height of
1700HV0.1, wearability is good, porosity is low, shock resistance is excellent.
Embodiment two
It is applied to the wear-resisting beater plate of blower mill as shown in Figure 1, Figure 2 and Figure 3, including beater plate body 1 and symmetrical
The the first connection clamp 2, second being arranged on beater plate body 1 two ends connects clamp 3, and is arranged in beater plate body 1 one side
The first wearing layer the 4, second wearing layer 5 and the 3rd wearing layer 6；It is wear-resisting that 3rd wearing layer 6 is arranged on the first wearing layer 4, second
In the middle of layer 5, wherein, thickness δ 2 respectively greater than first wearing layer 4, second wearing layer 5 of the 3rd wearing layer 6, the first wearing layer 4,
The thickness δ 1 of the second wearing layer 5, δ 3 are identical；The thickness δ 1 of first wearing layer the 4, second wearing layer 5, δ 3 are respectively 8mm-20mm,
The thickness δ 2 of the 3rd wearing layer 6 is 40mm-60mm.
It is further preferred that the 3rd wearing layer 6 is separately positioned on the middle both sides on beater plate body 1, both sides are coal dust
Outlet, improves the wearability of both sides；It is applied to the wear-resisting beater plate of blower mill, also includes arranging beater plate body 1 and
One connects clamp 2, second connects the groove 7 of clamp 3 joint face, improves the efficiency of assembling, and then the broken coal that ensures to generate electricity normally
Requirement；It is applied to the wear-resisting beater plate of blower mill as shown in Figure 4, also includes being arranged on beater plate body 1 another side, and
The 4th corresponding with first wearing layer the 4, second wearing layer 5 and the 3rd wearing layer 6 position respectively wearing layer the 10, the 5th wearing layer
8 and the 6th wearing layer 9, and the thickness of the 4th wearing layer the 10, the 5th wearing layer 8 and the 6th wearing layer 9 respectively with the first wearing layer
4, the second wearing layer 5 is identical with the 3rd wearing layer 6, improve beater plate body 1 entirety is wear-resisting, impact resistance, high-temperature stability, have
Effect increases the service life (tradition beater plate is 1500 hours, and this structure is extended for 6000-7000 hour)；First wearing layer 4,
Second wearing layer the 5, the 3rd wearing layer the 6, the 4th wearing layer the 10, the 5th wearing layer 8 and the 6th wearing layer 9 are spherical cast WC/Ni
Base alloy-layer or crude crystal WC/Ni base alloy-layer, wherein, spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer are all adopted
Being thermally melted on beater plate body 1 with bead-welding technology, production technology efficiency is high and surfacing quality is stable, reliable；Spherical cast WC/Ni
Base alloy-layer, is made up of spherical cast WC powder and Ni base alloyed powder, and wherein, spherical cast WC powder, is 95-96%'s including content
The T.C of W, 3.8-4.1% and the F.C of≤0.08%；Ni base alloyed powder, including the B that content is the Cr of 11-15%, 2-3%, 3-4.5%
C, the Fe of≤5% of Si, 0.2-0.6%, surplus is Ni, a height of 2700HV0.1 of wearing layer structural rigidity of its built-up welding, wear-resisting
Property is good, porosity is low, shock resistance is excellent；Crude crystal WC/Ni base alloy-layer, is made up of crude crystal WC powder and Ni base alloyed powder, its
In, crude crystal WC powder, is the T.C of 6.1-6.2% including content, the F.C of≤0.06%, and surplus is W；Ni base alloyed powder, including content
For the Cr of 11-15%, the C of the Si of the B of 2-3%, 3-4.5%, 0.2-0.6%, the Fe of≤5%, surplus is Ni, its built-up welding wear-resisting
The a height of 1700HV0.1 of Rotating fields hardness, wearability is good, porosity is low, shock resistance is excellent.
Embodiment three
As shown in Figure 5 and Figure 6, being applied to the wear-resisting beater plate of blower mill, including beater plate body 1, and symmetry sets
Put the first connection clamp 2, second at beater plate body 1 two ends and connect clamp 3, and be arranged on beater plate body 1 one side upper or
Wearing layer on two sides；The thickness 8mm-60mm of wearing layer δ 1.
It is further preferred that wearing layer is spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer, wherein, ball
Shaped cast makes WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer all uses bead-welding technology to be thermally melted on beater plate body 1, produces
Process efficiency is high and surfacing quality is stable, reliable；Spherical cast WC/Ni base alloy-layer, by spherical cast WC powder and Ni base alloy
Powder forms, and wherein, spherical cast WC powder, including the F.C of the T.C that content is the W of 95-96%, 3.8-4.1% He≤0.08%；Ni base
Alloyed powder, including the B that content is the Cr of 11-15%, 2-3%, the C of the Si of 3-4.5%, 0.2-0.6%, the Fe of≤5%, surplus is Ni,
The a height of 2700HV0.1 of wearing layer structural rigidity of its built-up welding, wearability is good, porosity is low, shock resistance is excellent；Coarse-grain
WC/Ni base alloy-layer, is made up of crude crystal WC powder and Ni base alloyed powder, and wherein, crude crystal WC powder, is 6.1-6.2%'s including content
T.C, the F.C of≤0.06%, surplus is W；Ni base alloyed powder, including the B that content is the Cr of 11-15%, 2-3%, the Si of 3-4.5%,
The C of 0.2-0.6%, the Fe of≤5%, surplus is Ni, a height of 1700HV0.1 of wearing layer structural rigidity of its built-up welding, wearability is good,
Porosity is low, shock resistance is excellent.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvement, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (6)
1. it is applied to the wear-resisting beater plate of blower mill, it is characterised in that: include beater plate body (1), and be symmetricly set on
First connection clamp (2) at beater plate body (1) two ends, the second connection clamp (3), and it is arranged on beater plate body (1) simultaneously
On the first wearing layer (4), the second wearing layer (5) and the 3rd wearing layer (6)；It is resistance to that described 3rd wearing layer (6) is arranged on first
Mill layer (4), in the middle of the second wearing layer (5), wherein, the thickness δ 2 of the 3rd wearing layer (6) be respectively greater than the first wearing layer (4), the
Two wearing layers (5), the first wearing layer (4), the thickness δ 1 of the second wearing layer (5), δ 3 are identical；Described first wearing layer (4), second
The thickness δ 1 of wearing layer (5), δ 3 are respectively 8mm-20mm, and the thickness δ 2 of the 3rd wearing layer (6) is 40mm-60mm.
The wear-resisting beater plate being applied to blower mill the most according to claim 1, it is characterised in that: described 3rd wear-resisting
Layer (6) is separately positioned on the middle both sides on beater plate body (1).
The wear-resisting beater plate being applied to blower mill the most according to claim 1, it is characterised in that be applied to wind described in:
The wear-resisting beater plate of fan coal pulverizer, also includes that arrange beater plate body (1) is connected clamp (2), the second connection clamp (3) with first
The groove (7) of joint face.
4. according to the wear-resisting beater plate being applied to blower mill described in claim 1 or 2 or 3, it is characterised in that: described should
For the wear-resisting beater plate of blower mill, also include being arranged on beater plate body (1) another side, and wear-resisting with first respectively
Layer (4), the second wearing layer (5) fourth wearing layer (10) corresponding with the 3rd wearing layer (6) position, the 5th wearing layer (8) and
6th wearing layer (9).
The wear-resisting beater plate being applied to blower mill the most according to claim 4, it is characterised in that: described 4th wear-resisting
Layer (10), the 5th wearing layer (8) and the 6th wearing layer (9) thickness respectively with the first wearing layer (4), the second wearing layer (5) and
3rd wearing layer (6) is identical.
The wear-resisting beater plate being applied to blower mill the most according to claim 5, it is characterised in that: described first wear-resisting
Layer (4), the second wearing layer (5), the 3rd wearing layer (6), the 4th wearing layer (10), the 5th wearing layer (8) and the 6th wearing layer (9)
For spherical cast WC/Ni base alloy-layer or crude crystal WC/Ni base alloy-layer, wherein, spherical cast WC/Ni base alloy-layer or coarse-grain
WC/Ni base alloy-layer all uses bead-welding technology to be thermally melted on beater plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526609.7U CN205731443U (en) | 2016-06-02 | 2016-06-02 | It is applied to the wear-resisting beater plate of blower mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526609.7U CN205731443U (en) | 2016-06-02 | 2016-06-02 | It is applied to the wear-resisting beater plate of blower mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205731443U true CN205731443U (en) | 2016-11-30 |
Family
ID=57359503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620526609.7U Withdrawn - After Issue CN205731443U (en) | 2016-06-02 | 2016-06-02 | It is applied to the wear-resisting beater plate of blower mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205731443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879973A (en) * | 2016-06-02 | 2016-08-24 | 兴化市安帅电力设备有限公司 | Abrasion-resisting hitting plate applied to fan coal mill |
-
2016
- 2016-06-02 CN CN201620526609.7U patent/CN205731443U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879973A (en) * | 2016-06-02 | 2016-08-24 | 兴化市安帅电力设备有限公司 | Abrasion-resisting hitting plate applied to fan coal mill |
| CN105879973B (en) * | 2016-06-02 | 2018-03-13 | 兴化市安帅电力设备有限公司 | Wear-resisting beater plate applied to blower mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205731443U (en) | It is applied to the wear-resisting beater plate of blower mill | |
| CN106378268A (en) | Adjustable rotary spraying nozzle structure for high-efficiency wear-resistant low-resistant medium-speed vertical coal mill | |
| CN204026721U (en) | Coal dust classifier and pulverized-coal fired boiler | |
| CN103672883B (en) | Grid type swirl burner | |
| CN203771439U (en) | High-moisture lignite medium speed mill coal pulverizing system using pulverized coal combustion heating primary air | |
| CN204460265U (en) | Coal dust piece-rate system in a kind of boiler milling system | |
| CN201636894U (en) | Built-in dust filtering biomass gasified burning machine | |
| CN105879973B (en) | Wear-resisting beater plate applied to blower mill | |
| CN205678884U (en) | A kind of high efficiency Industrial Boiler | |
| CN202598507U (en) | Novel steady burning tooth for lignite swirling burner | |
| CN102155842B (en) | System for increasing pulverizing and drying output force during doped lignitous coal burning of burning bituminous coal boiler | |
| CN206253243U (en) | A kind of high-efficiency abrasion-proof lower resistance medium-speed vertical coal pulverizer adjustable rotary nozzle arrangements | |
| CN103591799A (en) | Furnace profile structure of rotary hearth furnace | |
| CN203595392U (en) | Furnace-type structure of rotary hearth furnace | |
| CN207035103U (en) | A kind of safer block type shade burner | |
| CN205668134U (en) | It is applied to the built-up welding bracing frame of fan coal mill wear-resisting beater plate | |
| CN205860047U (en) | Shake fire grate for boiler | |
| CN207745919U (en) | A kind of blower mill striker wheel | |
| CN201944866U (en) | Composite combustion engine | |
| CN202484988U (en) | Sandwiched air burner of boiler burning brown coal | |
| CN103256616A (en) | Environment-friendly boiler system | |
| CN207019053U (en) | Bluff-body type coal burner abrasionproof nozzle | |
| CN208332313U (en) | Secondary Air penetration power enhancing structure for biomass shaped fuel boiler | |
| CN202902320U (en) | Compound combustion type chain-grate boiler | |
| CN213810603U (en) | Heating type combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180313 |
|
| AV01 | Patent right actively abandoned |