CN208620593U - It is a kind of can be to the hot-blast stove that waste heat is recycled - Google Patents
It is a kind of can be to the hot-blast stove that waste heat is recycled Download PDFInfo
- Publication number
- CN208620593U CN208620593U CN201821231709.2U CN201821231709U CN208620593U CN 208620593 U CN208620593 U CN 208620593U CN 201821231709 U CN201821231709 U CN 201821231709U CN 208620593 U CN208620593 U CN 208620593U
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- air
- outer barrel
- roof
- shell
- 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.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides one kind can be to the hot-blast stove that waste heat is recycled, including inner cylinder, outer barrel and shell, inner cylinder and shell are equipped with roof, the second toroidal cavity is formed between outer barrel and shell, the roof of inner cylinder, side-wall outer side is respectively equipped with top braces ring, bottom support ring, top braces ring, the roof of inner cylinder and the roof three of shell surround a hot wind cabinet, cigarette hole is opened up on the side wall of inner cylinder, outer cylinder body sidewall between cigarette hole and lower support ring is equipped with exhanst gas outlet, outer cylinder body sidewall below lower support ring is equipped with air intake, several air hoses are communicated with to bottom support ring again from the side wall of roof to the inner cylinder of inner cylinder, the second toroidal cavity upper end closed, and second is provided with smoke pipe component in toroidal cavity, flue gas is provided in housing sidewall finally to export, each smoke pipe component , exhanst gas outlet, flue gas finally export and form a flue gas circulation path, housing sidewall is equipped with fresh air air inlet.
Description
Technical field
The present invention relates to heating equipment fields, and especially one kind can be to the hot-blast stove that waste heat is recycled.
Background technique
Existing hot wind furnace structure are as follows: including inner cylinder and outer barrel, outer barrel and inner cylinder contain roof, inner cylinder
Top outer and lower outside the circumferential direction of inner cylinder is provided with top braces ring and lower support ring respectively, outer barrel is coaxial
It is sheathed on outside inner cylinder and is set on inner cylinder by top braces ring and lower support ring stand, topmast pushing out ring, inner cylinder, outer cylinder
Body three surrounds a hot wind cabinet, and the inner cylinder inside bottom is combustion zone, interior between top braces ring and lower support ring
Circumferential direction on cylinder lateral wall along inner cylinder offers 8 cigarette holes, along outer on the outer cylinder body sidewall between cigarette hole and lower support ring
The circumferential direction of cylinder is uniformly provided with 4 exhanst gas outlets, uniformly sets on the outer cylinder body sidewall below lower support ring along the week of outer barrel
There are 4 air intakes, is circumferentially equipped with several first air hoses, each first air hose vertically along it on the lower support ring
Lower end be connected to air intake, upper end bends inwards and the inner tube wall that is arranged between cigarette hole and exhanst gas outlet on, inner cylinder
In vivo along its it is circumferentially distributed have be in U-shape setting with one-to-one second air hose of the first air hose, each second air hose,
And one end of each second air hose passes through inner cylinder roof and hot wind with the connection of the upper end of corresponding first air hose, the other end
Cabinet connection is provided with hot-blast outlet on the corresponding outer barrel roof of the hot wind cabinet.
During the work time, the high-temperature flue gas discharged by the combustion zone of inner cylinder inside bottom passes through inner cylinder from bottom to top
Body, then the annular that inner cylinder, outer barrel, topmast pushing out ring, lower support ring surround is expelled to from the cigarette hole on inner cylinder body sidewall
It in cavity, spreads in the toroidal cavity, is finally discharged from exhanst gas outlet from top to bottom.At the same time, fresh air successively passes through
It crosses in the toroidal cavity that the first air hose is surrounded with inner cylinder, outer barrel, topmast pushing out ring, lower support ring, the first air hose
Outer flue gas carries out heat exchange, enters in hot wind cabinet after carrying out heat exchange using the second air hose and the intracorporal flue gas of inner cylinder,
Finally it is discharged by hot-blast outlet.
But for existing hot-blast stove, in fact, the flue-gas temperature of exhanst gas outlet discharge is still higher, by it
It is directly discharged into atmosphere, causes the larger waste of the energy.
Summary of the invention
The utility model is intended to provide one kind can be to the hot-blast stove that waste heat is recycled.
It is a kind of to be set to interior to the hot-blast stove that waste heat is recycled, including inner cylinder and outer barrel, outer barrel coaxial sleeve
Outside cylinder, it is coaxially arranged shell again outside outer barrel, inner cylinder and shell are equipped with roof, and the upper end of outer barrel extends upwardly to shell
At the roof of body, first annular cavity, shape between outer barrel and the side wall of shell are formed between the side wall and outer barrel of inner cylinder
At the second toroidal cavity, the top braces ring connecting for the roof with shell is equipped on the outside of the roof of inner cylinder around cylinder week, it is interior
Cylinder lateral wall bottom outside is provided with the bottom support ring for connecting with outer barrel around cylinder week, top braces ring, inner cylinder
The roof three of roof and shell surrounds a hot wind cabinet, and the intracavity bottom of the inner cylinder is combustion zone, on the side wall of inner cylinder
Sustained height position circumferentially opens up several cigarette holes along inner cylinder, same height on the outer cylinder body sidewall between cigarette hole and lower support ring
It spends position and is circumferentially with several exhanst gas outlets along outer barrel, sustained height position edge on the outer cylinder body sidewall below lower support ring
Outer barrel is circumferentially with several air intakes, from the roof of inner cylinder through inside inner cylinder to the side wall of inner cylinder again to bottom
Support ring is communicated with several air hoses, and all air hoses pass through inner cylinder along the circumferentially distributed of inner cylinder, one end of every air hose
The roof of body is connected to hot wind cabinet, the other end passes through bottom support ring and is connected to all air intakes, second toroidal cavity
Upper end closed, and sustained height position along the circumferential direction of outer barrel is provided with several smoke pipe components, shell side in the second toroidal cavity
Sustained height position is circumferentially provided with several flue gases along shell and finally exports on wall, and each smoke pipe component, exhanst gas outlet, flue gas are most
Outlet forms a flue gas circulation path afterwards, the entrance of each smoke pipe component is connected to a corresponding exhanst gas outlet, export with it is right
The last outlet of a flue gas answered, housing sidewall are equipped with several fresh air air inlets.
The utility model makes to form the second toroidal cavity between outer barrel and shell by setting shell in outer barrel peripheral hardware,
And the smoke pipe component being connected to exhanst gas outlet is arranged in the second toroidal cavity, fresh air is first carried out by the smoke pipe component pre-
Heat realizes that the waste heat to the flue gas come out from exhanst gas outlet is further recycled, and the waste of heat is avoided.
Further, each air hose is preferably in U-shape setting.
There are several starting staves along the circumferentially distributed of outer barrel in second toroidal cavity, starting stave is annular by second
Cavity is divided into several fan-shaped chambers, finally goes out in each fan-shaped chamber containing an exhanst gas outlet, an air intake, a flue gas
Mouthful and a fresh air air inlet, be correspondingly arranged a smoke pipe component in each fan-shaped chamber, each smoke pipe component is by several
The smoke pipe of serpentine-like winding arranged side by side forms, exhanst gas outlet of the arrival end of all smoke pipes in smoke pipe component with place fan-shaped chamber
Connection, outlet end with the last outlet of the flue gas of place fan-shaped chamber.It is empty in the second annular can to extend flue gas for such design
Intracavitary residence time, the possible utilization rate for increasing flue gas heat big to the greatest extent are rationally distributed.In the specific implementation process, described
Circumferential direction in second toroidal cavity along outer barrel is evenly distributed with several starting staves, is laid out more reasonable.Wherein starting stave
Quantity be preferably 4.Further, the second riser is set in the middle part of each fan-shaped chamber, which is divided into two by the second riser
A sector divides chamber, and two sectors of same fan-shaped chamber divide the top of chamber to be connected to, and wherein a sector divides the lower part of chamber corresponding shell
Fresh air air inlet is set on side wall, remaining sector divides the lower part of chamber to connect by air-introduced machine and the air intake of the fan-shaped chamber
It is logical.At this point, heat exchange area and the time of the fresh air and flue gas in toroidal cavity can be improved, meanwhile, fresh air air inlet
Mouth is set to the lower part of shell, facilitates operation.
It when air hose quantity is more, misplaces each other for convenience, offers two groups for air on inner cylinder roof
The pore that tube end passes through, the quantity of pore contained by every group of pore are the half of air hose total quantity, and two groups of pores are along inner cylinder
Body is circumferentially distributed, but the diameter of a circle that surrounds of two groups of pores is different, and the pore of two groups of pores misses one another distribution, adjacent two sky
Tracheae is respectively from different groups but tactic two pore connects.
Detailed description of the invention
Fig. 1 is the schematic diagram in top down perspective of the utility model, and wherein dotted line is the contour line of air hose；
Fig. 2 is the cross-sectional view of the utility model E-P-A line along Fig. 1, and chain lines are the central axis of inner cylinder, real
The direction of heart arrow instruction is the flow direction of flue gas, and the direction of hollow arrow instruction is the flow direction of air；
Fig. 3 is the cross-sectional view of the utility model P-B line along Fig. 1, and chain lines are the central axis of inner cylinder, solid
The direction of arrow instruction is the flow direction of flue gas, and the direction of hollow arrow instruction is the flow direction of air；
Fig. 4 is the cross-sectional view of the utility model P-C line along Fig. 1, and chain lines are the central axis of inner cylinder, solid
The direction of arrow instruction is the flow direction of flue gas, and the direction of hollow arrow instruction is the flow direction of air;
Fig. 5 is the cross-sectional view of the utility model P-D line along Fig. 1, and chain lines are the central axis of inner cylinder, solid
The direction of arrow instruction is the flow direction of flue gas, and the direction of hollow arrow instruction is the flow direction of air.
Specific embodiment
The embodiments of the present invention is illustrated now in conjunction with attached drawing:
In conjunction with FIG. 1 to FIG. 5, it is a kind of can be to the hot-blast stove that waste heat is recycled, including inner cylinder 10 and outer barrel 20, outside
20 coaxial sleeve of cylinder is set to outside inner cylinder 10, is coaxially arranged shell 100 again outside outer barrel 20, inner cylinder 10 and shell 100 are all provided with
There are roof (14,104), the upper end of outer barrel 20 extends upwardly at the roof of shell 100, the side wall and outer barrel of inner cylinder 10
First annular cavity 13 is formed between 20, and the second toroidal cavity 110, inner cylinder are formed between outer barrel and the side wall of shell 100
10 14 outside of roof is equipped with the top braces ring 30 connecting for the roof 104 with shell 100, inner cylinder body sidewall bottom around cylinder week
Around the bottom support ring 40 being provided in cylinder week for being connect with outer barrel 20, the top of top braces ring 30, inner cylinder 10 on the outside of portion
104 three of roof of wall 14 and shell 100 surrounds a hot wind cabinet 50, and the intracavity bottom of the inner cylinder 10 is combustion zone 60, interior
Sustained height position opens up 8 cigarette holes 11 along inner cylinder 10 is circumferential on the side wall of cylinder 10, cigarette hole 11 and lower support ring 40 it
Between 20 side wall of outer barrel on sustained height position along outer barrel 20 be circumferentially with 4 exhanst gas outlets 21, under lower support ring 40
Sustained height position is circumferentially with 4 air intakes 22 along outer barrel 20 on 20 side wall of outer barrel of side, from inner cylinder 10
Roof 14 is had time through being communicated with 16 air hoses 70 to bottom support ring 40 again to the side wall of inner cylinder 10 inside inner cylinder 10
Tracheae 70 is circumferentially distributed along inner cylinder 10, and one end of every air hose 70 passes through the roof 14 of inner cylinder 10 and hot wind cabinet 50 connects
The logical, other end passes through bottom support ring 40 and is connected to all air intakes 22,110 upper end closed of the second toroidal cavity, and
Sustained height position is provided with 4 smoke pipe components 120 along the circumferential direction of outer barrel in second toroidal cavity 110, on 100 side wall of shell
Sustained height position is circumferentially provided with 4 flue gases along shell and finally exports 101, each smoke pipe component 120, exhanst gas outlet 21, cigarette
Gas finally exports 101 formation, one flue gas circulation path, the entrance 121 of each smoke pipe component 120 and a corresponding exhanst gas outlet
21 connections, outlet 122 finally export 101 connections with a corresponding flue gas, and 100 side wall of shell is equipped with 4 fresh air air inlets
Mouth 102.
During the work time, it is passed through from bottom to top by the high-temperature flue gas that the combustion zone 60 of the intracavity bottom of inner cylinder 10 discharges
Inside inner cylinder 10, then it is expelled to from the cigarette hole 11 on 10 side wall of inner cylinder and is formed between 10 side wall of inner cylinder and outer barrel 20
It in first annular cavity 13, spreads in first annular cavity 13, then is finally exported through smoke pipe component 120 from flue gas from top to bottom
101 discharges.At the same time, fresh air is introduced into the second toroidal cavity formed between the side wall of shell 100 and outer barrel 20
In 110, heat exchange is carried out with the flue gas in smoke pipe component 120, enters back into the first cigarette in first annular cavity 13 of air hose 70
Gas carries out heat exchange, then enters in hot wind cabinet 50 after carrying out heat exchange with the flue gas in inner cylinder 10, finally by hot-blast outlet 90
Discharge.
The utility model makes shape between outer barrel 20 and the side wall of shell 100 by the way that shell 100 is arranged outside outer barrel 20
At the second toroidal cavity 110, and the smoke pipe component 120 being connected to exhanst gas outlet 21 is arranged in the second toroidal cavity 110, by this
Smoke pipe component 120 first preheats fresh air, realizes and carries out further to the waste heat of the flue gas come out from exhanst gas outlet 21
Recycling, avoid the waste of heat.
It should be noted that the quantity in the cigarette hole 11 of the utility model is not limited to 8 in attached drawing, or 1~7
It is a or be more than 8, the quantity of exhanst gas outlet 21 is also not necessarily limited to 4 in attached drawing, or 1~3 or be more than 4；Air
The quantity of entrance 22 is also not necessarily limited to 4 in attached drawing, or 1~3 or be more than 4；The quantity of air hose 80 is also unlimited
16 in attached drawing, or 1~15 or be more than 16；Smoke pipe component 120, flue gas finally export 101, fresh air
The quantity of air inlet 102 is also not necessarily limited to 4 in attached drawing, or 1~3 or be more than 4.
Further, it as shown in Fig. 2~Fig. 5, is in U-shape positioned at the intracorporal each air hose of inner cylinder.
Referring to figs. 1 and 2, have several first along the circumferentially distributed of outer barrel 20 in second toroidal cavity 110
Riser 130(is usually 4), starting stave 130 divides the second toroidal cavity 110 for several (usually 4) fan-shaped chambers
111, each fan-shaped chamber 111 is interior finally to export 101 and one containing a flue gas of air intake 22, one of exhanst gas outlet 21, one
A fresh air air inlet 102, is correspondingly arranged a smoke pipe component 120 in each fan-shaped chamber 111, each smoke pipe component 120 by
The smoke pipe 121 of several serpentine-like windings arranged side by side forms, the arrival end of all smoke pipes 121 in smoke pipe component 120 with place
The connection of exhanst gas outlet 21 of fan-shaped chamber 111, outlet end finally export 101 with the flue gas of place fan-shaped chamber 111 and are connected to.It is such
Design, can extend residence time of the flue gas in the second toroidal cavity 110, the possible utilization rate for increasing flue gas heat big to the greatest extent,
It is rationally distributed.In the specific implementation process, as shown in Figure 1, along the circumferential uniform of outer barrel 20 in second toroidal cavity 110
Several starting staves 130 are distributed with, are laid out more reasonable.Further, it in conjunction with FIG. 1 to FIG. 5, is set in the middle part of each fan-shaped chamber 111
Set the second riser 140, which is divided to and divides chamber 1110 for two sectors by the second riser 140, and the two of same fan-shaped chamber 111
Sector divides the top of chamber 1110 to be connected to, and wherein a sector divides on corresponding 100 side wall of shell in the lower part of chamber 111 fresh sky is arranged
Gas air inlet 102, remaining sector divide the lower part of chamber 1110 to connect by air-introduced machine 150 and the air intake 22 of the fan-shaped chamber 111
It is logical.At this point, heat exchange area and the time of the fresh air and flue gas in the second toroidal cavity 110 can be improved, meanwhile, fresh sky
Gas air inlet 102 is set to the lower part of shell 100, facilitates operation.
It when 70 quantity of air hose is more, misplaces each other for convenience, offers two groups of confessions on 10 roof of inner cylinder
The pore (160,170) that 70 end of air hose passes through, the quantity of pore (160,170) contained by every group of pore are 70 sum of air hose
The half of amount, two groups of pores are circumferentially distributed along inner cylinder 10, but the diameter of a circle that two groups of pores 10 surround is different, and two groups of pipes
The pore (160,170) in hole misses one another distribution, adjacent two air hose 70 respectively from different groups but tactic two pore
(160,170) (as shown in Figure 1) is connected.
Claims (7)
1. one kind can be set to inner cylinder to the hot-blast stove that waste heat is recycled, including inner cylinder and outer barrel, outer barrel coaxial sleeve
In vitro, it is characterised in that: be coaxially arranged shell outside outer barrel again, inner cylinder and shell are equipped with roof, the upper end of outer barrel to
On extend at the roof of shell, form first annular cavity between the side wall and outer barrel of inner cylinder, outer barrel and shell
The second toroidal cavity is formed between side wall, the roof outside of inner cylinder is equipped with the top connecting for the roof with shell around cylinder week
Support ring, around the bottom support ring being provided in cylinder week for being connect with outer barrel on the outside of inner cylinder sidewall bottom, top braces ring,
The roof of inner cylinder and the roof three of shell surround a hot wind cabinet, and the intracavity bottom of the inner cylinder is combustion zone, inner cylinder
Side wall on sustained height position several cigarette holes, the outer cylinder body sidewall between cigarette hole and lower support ring are circumferentially opened up along inner cylinder
Upper sustained height position is circumferentially with several exhanst gas outlets along outer barrel, same height on the outer cylinder body sidewall below lower support ring
It spends position and along outer barrel is circumferentially with several air intakes, from the roof of inner cylinder through the side wall inside inner cylinder to inner cylinder
Several air hoses are communicated with to bottom support ring again, all air hoses are along the circumferentially distributed of inner cylinder, one end of every air hose
Be connected to across the roof of inner cylinder with hot wind cabinet, the other end pass through bottom support ring be connected to all air intakes, described second
Toroidal cavity upper end closed, and sustained height position along the circumferential direction of outer barrel is provided with several smoke pipe groups in the second toroidal cavity
Part, sustained height position is circumferentially provided with several flue gases along shell and finally exports in housing sidewall, and each smoke pipe component, flue gas go out
Mouthful, flue gas finally export one flue gas circulation path of formation, the entrance of each smoke pipe component is connected to a corresponding exhanst gas outlet,
Outlet is equipped with several fresh air air inlets with the corresponding last outlet of a flue gas, housing sidewall.
2. one kind according to claim 1 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: each air hose
Be in U-shape setting.
3. one kind according to claim 1 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: second ring
There are several starting staves along the circumferentially distributed of outer barrel in shape cavity, the second toroidal cavity is divided into several sectors by starting stave
Chamber, finally export containing an exhanst gas outlet, an air intake, a flue gas in each fan-shaped chamber and a fresh air into
Air port, is correspondingly arranged a smoke pipe component in each fan-shaped chamber, each smoke pipe component by several serpentine-like windings arranged side by side cigarette
Pipe composition, the arrival end of all smoke pipes in smoke pipe component is connected to the exhanst gas outlet of place fan-shaped chamber, outlet end and institute
In the last outlet of the flue gas of fan-shaped chamber.
4. one kind according to claim 3 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: second ring
Circumferential direction in shape cavity along outer barrel is evenly distributed with several starting staves.
5. one kind according to claim 3 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: wherein first is perpendicular
The quantity of plate is 4.
6. one kind according to claim 3 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: each fan-shaped chamber
The second riser is arranged in middle part, which is divided into two sectors and divides chamber by the second riser, and two sectors of same fan-shaped chamber divide chamber
Top connection, and wherein a sector divides setting fresh air air inlet in the corresponding housing sidewall in the lower part of chamber, remaining sector
The lower part of chamber is divided to be connected to by air-introduced machine with the air intake of the fan-shaped chamber.
7. one kind according to claim 1 can be to the hot-blast stove that waste heat is recycled, it is characterised in that: inner cylinder roof
On offer two groups of pores passed through for air tube endings, the quantity of pore contained by every group of pore is the one of air hose total quantity
Half, two groups of pores are circumferentially distributed along inner cylinder, but the diameter of a circle that two groups of pores surround is different, and the pore of two groups of pores that
This is dislocatedly distributed, and adjacent two air hose is respectively from different groups but tactic two pore connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231709.2U CN208620593U (en) | 2018-08-01 | 2018-08-01 | It is a kind of can be to the hot-blast stove that waste heat is recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231709.2U CN208620593U (en) | 2018-08-01 | 2018-08-01 | It is a kind of can be to the hot-blast stove that waste heat is recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208620593U true CN208620593U (en) | 2019-03-19 |
Family
ID=65708309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821231709.2U Active CN208620593U (en) | 2018-08-01 | 2018-08-01 | It is a kind of can be to the hot-blast stove that waste heat is recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208620593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013712A (en) * | 2022-06-23 | 2022-09-06 | 烟台杰瑞石油装备技术有限公司 | Lubricating oil system and method for heating lubricating oil |
-
2018
- 2018-08-01 CN CN201821231709.2U patent/CN208620593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013712A (en) * | 2022-06-23 | 2022-09-06 | 烟台杰瑞石油装备技术有限公司 | Lubricating oil system and method for heating lubricating oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8286368B2 (en) | Method and apparatus for rationalizing the allocation of heat energy generated from catalytic combustion process for enameling machine | |
| CN208620593U (en) | It is a kind of can be to the hot-blast stove that waste heat is recycled | |
| CN202204270U (en) | A sleeve type continuous burning shaft kiln | |
| CN102230726A (en) | Sleeve type continuous calcining vertical kiln | |
| CN104329795A (en) | Volume type gas water heater | |
| CN206168739U (en) | Drying solidification equipment | |
| CN104724705B (en) | Chassis assembly for polycrystalline silicon reducing furnace | |
| CN102288022B (en) | Sleeve-type gas-burning shaft kiln | |
| CN203657398U (en) | Uniform air distribution type vertical dryer | |
| CN108007188A (en) | Kiln for ceramic post sintering de-waxing | |
| CN208455022U (en) | A kind of annealing furnace waste-heat recovery device | |
| CN206989199U (en) | Infrared burner | |
| CN205560858U (en) | Cook a meal with big pot and stove of gas | |
| CN209147713U (en) | A kind of vertical electric furnace of carburant continuous production | |
| CN209802073U (en) | Energy-saving thermal circulation device of magnetic core sintering furnace | |
| CN208814895U (en) | A kind of preheater | |
| CN207784167U (en) | Using heat pump as the net gas improvements grain heat-drying centring system of heat source | |
| CN206787186U (en) | A kind of material surface cladding and high-temperature process combined unit | |
| CN206279235U (en) | Natural gas-solid smelting furnace | |
| CN207945678U (en) | A kind of burner for gas-cooker | |
| CN206721131U (en) | A kind of stalk gasifier | |
| CN207187644U (en) | A kind of air-blast atomization reacting furnace and reacting furnace | |
| CN206219721U (en) | A kind of vertical silicon chip diffusion furnace | |
| CN206369334U (en) | A kind of quick internal combustion heating furnace | |
| CN206127357U (en) | Cable conductor device of annealing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |