CN110220390A - Low-pressure piston rough-cast furnace with clinker recycler - Google Patents
Low-pressure piston rough-cast furnace with clinker recycler Download PDFInfo
- Publication number
- CN110220390A CN110220390A CN201910487305.2A CN201910487305A CN110220390A CN 110220390 A CN110220390 A CN 110220390A CN 201910487305 A CN201910487305 A CN 201910487305A CN 110220390 A CN110220390 A CN 110220390A
- Authority
- CN
- China
- Prior art keywords
- clinker
- shell
- pressure piston
- low
- recyclable device
- 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.)
- Pending
Links
- 238000003756 stirring Methods 0.000 claims abstract description 37
- 239000002893 slag Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000003570 air Substances 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910004883 Na2SiF6 Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910020834 NaAlF4 Inorganic materials 0.000 description 1
- 241001092459 Rubus Species 0.000 description 1
- 235000017848 Rubus fruticosus Nutrition 0.000 description 1
- 229910004014 SiF4 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
- F27D2007/023—Conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/01—Charges containing mainly non-ferrous metals
- F27M2001/012—Aluminium
Abstract
The present invention provides the low-pressure piston rough-cast furnaces for having clinker recycler, and the recyclable device of clinker recycling is provided at slag outlet, the dust-extraction unit for absorbing dust and exhaust gas is provided with above the recyclable device；The recyclable device includes: shell；It is provided with filter layer in the shell cavity, the agitating device for stirring clinker is provided with above the filter layer, the collecting bin for collecting kish melt in clinker is provided with below the filter layer；Shell includes heat-insulated shell, thermally conductive inner casing and returns heat in recyclable device and receives the channel utilized again；The channel is arranged between shell and inner casing；Inlet end and outlet side are provided on the shell, the inlet end and outlet side are arranged in shell two sides；The inlet end is connect with air blower, and outlet side is connect with the combustion chamber to casting stove heating.
Description
Technical field
The present invention relates to metal material melting and casting technical fields, more particularly to the low-pressure piston with clinker recycler
Rough-cast furnace.
Background technique
Currently, aluminum casting industry is rapidly developed, human environment protection consciousness generally improves, and casting industry clinker
There are serious dust pollutions for the working environment of processing；The main problem existing for the processing of clinker in aluminum casting industry at present
It is: commonly reaches 5%~20% or so, shape, size also containing considerable metallic aluminium after simply sorting in clinker
It differs, mixes many impurity in clinker, shape is irregularly to be covered with brambles, burr, can only manually clean bulk or slag body surface more
Tiny piece of face, can not thoroughly clean, and lead to resource loss, and artificial treatment dust is big, environmental pollution is serious.Man-day cleans
Benefit is too low, and the recycling aluminium obtained in this way, ash content are not efficiently treated, and quality is difficult to ensure.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the low-pressure piston rough-cast furnaces with clinker recycler.
The present invention is realized by following technological means solves above-mentioned technical problem:
Low-pressure piston rough-cast furnace with clinker recycler is provided with returning for clinker recycling at slag outlet
Receiving apparatus, the recyclable device top are provided with the dust-extraction unit for absorbing dust and exhaust gas；The recyclable device includes: shell
Body；It is provided with filter layer in the shell cavity, the agitating device for stirring clinker is provided with above the filter layer, it is described
The collecting bin for collecting kish melt in clinker is provided with below filter layer；Shell includes heat-insulated shell, and thermally conductive is interior
Shell and by heat in recyclable device return receive the channel utilized again；The channel is arranged between shell and inner casing；The shell
On be provided with inlet end and outlet side, the inlet end and outlet side are arranged in shell two sides；The inlet end and air blower connect
It connects, outlet side is connect with the combustion chamber to casting stove heating.
As an improvement of the above technical solution, the filter layer is filter screen, and mesh diameter is less than 1mm, the material of filter screen
Matter is iron.
As an improvement of the above technical solution, several metal tubes are provided in the channel, described metal tube one end connects
Inlet end is connect, the other end connects outlet side.
As an improvement of the above technical solution, the agitating device includes: the end cap for covering recyclable device, is connected with end cap
Several first stirring rods on agitating shaft far from end cap one end are arranged in the agitating shaft connect.
As an improvement of the above technical solution, first stirring rod section is triangle, and the first stirring rod is along rotation
Direction side thickness is less than other side thickness.
As an improvement of the above technical solution, first stirring rod is provided with floating rule far from one end of the mixing shaft, described to scrape
Bar is perpendicular to the first stirring rod, and the floating rule section is triangle, and in rotational direction side thickness is less than other side thickness to floating rule
Degree.
As an improvement of the above technical solution, the agitating shaft is additionally provided with several second stirring rods, and described second stirs
Pole length is mixed less than the first stirring rod.
As an improvement of the above technical solution, in rotational direction side and other side level height be not or not second stirring rod
Together.
The present invention has the advantages that setting dust-extraction unit siphons away dust and exhaust gas, it is avoided to pollute working environment, with
And avoid the recycling of dust influence clinker；Setting agitating device makes it sufficiently for stirring evenly clinker and slag former
Reaction, the aluminium in clinker is isolated；Heat-insulated shell can prevent skin temperature excessively high, and avoiding heat from distributing makes working environment
Temperature is excessively high and makes to keep higher temperature in recyclable device；It is logical that thermally conductive inner casing is transmitted to the heat of clinker by inner casing
In road, by blower blows air by the heat transfer in channel to combustion chamber, combustion chamber is made to obtain the same of sufficient air
When avoid the temperature that combustion chamber is influenced because of cool ambient air.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of foundry furnace described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of recyclable device described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of shell described in the embodiment of the present invention；
Fig. 4 is the schematic perspective view of agitating device described in the embodiment of the present invention；
Fig. 5 is the cross section structure schematic diagram of agitating device described in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the low-pressure piston rough-cast furnace that clinker recycler is had described in the present embodiment,
The recyclable device 100 for recycling clinker is provided at slag outlet, be provided with above the recyclable device 100 absorb dust with
And the dust-extraction unit 200 of exhaust gas；The recyclable device 100 includes: shell 110；Filter layer is provided in 110 cavity of shell
120, it is provided with the agitating device 130 for stirring clinker above the filter layer 120, is provided with below the filter layer 120
Collect the collecting bin 140 of kish melt in clinker；Shell 110 include heat-insulated shell 111, thermally conductive inner casing 112 with
And heat in recyclable device 100 is returned and receives the channel 113 utilized again；The channel 113 setting shell 111 and inner casing 112 it
Between；Inlet end 114 and outlet side 115 are provided on the shell 111, the inlet end 114 is arranged with outlet side 115 in shell
111 two sides；The inlet end 114 is connect with air blower (not shown), outlet side 115 and the burning to casting stove heating
The connection of room (not shown)；
Step 1: clinker is clawed out of foundry furnace to recyclable device, using dust-extraction unit 200 by the exhaust gas raised and
Dust siphons away；
Step 2: suitable slag former is added in the weight for the clinker entered in recyclable device 100；Slag former example
Property use Na2SiF6, weight is 1 ‰~the 2 ‰ of clinker weight, and the weight of clinker can be weighed by placing under recyclable device 100
Equipment obtains；
Clinker is stirred step 3: opening agitating device 130, is uniformly mixed it with slag former；Slag former and furnace
The reaction of slag is as follows:
Na2SiF6→2NaF+SiF4；
2NaF+Al2O3→NaAlO2+NaAlOF2；
4NaF+2Al2O3→3NaAlO2+NaAlF4；
6NaF+Al2O3→2AlF3+3Na2O；
Slag former Na2SiF6The Al outside aluminium drop will be wrapped in2O3It decomposes, while releasing heat melts aluminium, aluminium drop is made to exist
It is fallen into collecting bin 140, is recycled by filter layer 120 under the action of gravity；
After clinker is cleaned up out of foundry furnace, there are a large amount of dust and exhaust gas to raise, dust-extraction unit 200 is used for this
A little dust and exhaust gas siphon away, it is avoided to pollute working environment, and the recycling for avoiding dust from influencing clinker；Agitating device
130, for stirring evenly clinker and slag former, react it sufficiently, the aluminium in clinker are extracted, fallen by filter layer 120
Into collecting bin 140；Heat-insulated shell 111 can prevent 111 temperature of shell excessively high, and avoiding heat from distributing makes operating ambient temperature
It is excessively high and make to keep higher temperature in recyclable device 100；Thermally conductive inner casing 112 passes the heat of clinker by inner casing 112
It is delivered in channel 113, by blower blows air by the heat transfer in channel 113 to combustion chamber, fills combustion chamber
The temperature that combustion chamber is influenced because of cool ambient air is avoided while the air of foot.
The filter layer 120 is filter screen, and mesh diameter is less than 1mm, and the material of filter screen is iron；
Several metal tubes are provided in the channel 113, described metal tube one end connects inlet end 114, and the other end connects
Connect outlet side 115；Metal tube is arranged can be preferably by the heat transfer of clinker to the air by air passage 113.
As shown in Fig. 2, Fig. 4, Fig. 5, the agitating device 130 includes: the end cap 131 for covering recyclable device 100, with end
The agitating shaft 132 that lid 131 connects, is arranged in 132 several first stirring rods 133 far from 131 one end of end cap on agitating shaft；End
The equipment that driving agitating shaft 132 rotates is provided on lid 131, it is exemplary that agitating shaft 132 is directly connected to using motor；
As shown in figure 5,133 section of the first stirring rod is triangle, and the first stirring rod 133 in rotational direction side
Thickness is less than other side thickness；There is a upward active force to clinker while agitating, keeps it upward while being stirred
Movement, is stirred clinker more evenly, and in rotational direction side thickness is less than other side thickness energy to the first stirring rod 133
Clinker is enough prevented to be sticked on filter layer 120.
As shown in Figure 2, Figure 4 shows, first stirring rod 133 is provided with floating rule 134 far from 132 one end of agitating shaft, described to scrape
For bar 134 perpendicular to the first stirring rod 133,134 section of floating rule is triangle, and the in rotational direction side thickness of floating rule 134
Less than other side thickness；Clinker can be prevented to be sticked on inner casing 112, cause stirring uneven.
As shown in Fig. 2, Fig. 4, Fig. 5, the agitating shaft 132 is additionally provided with several second stirring rods 135, and described second stirs
135 length of bar is mixed less than the first stirring rod 133；Stirring capacity is further strengthened, mixes clinker more evenly with slag former.
In rotational direction side is different from other side level height for second stirring rod 135 as shown in Figure 5；To clinker
Clinker is set to move up and down when being stirred, stirring is more evenly.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. having the low-pressure piston rough-cast furnace of clinker recycler, it is characterised in that: be provided with clinker at slag outlet
The recyclable device (100) of recycling, recyclable device (100) top are provided with the dust-extraction unit for absorbing dust and exhaust gas
(200)；The recyclable device (100) includes: shell (110)；Filter layer (120), institute are provided in shell (110) cavity
The agitating device (130) being provided with above filter layer (120) for stirring clinker is stated, is provided with below the filter layer (120)
Collect the collecting bin (140) of kish melt in clinker；Shell (110) includes heat-insulated shell (111), thermally conductive inner casing
(112) and recyclable device (100) interior heat is returned and receives the channel (113) utilized again；The channel (113) is arranged in shell
(111) between inner casing (112)；Inlet end (114) and outlet side (115), the inlet end are provided on the shell (111)
(114) it is arranged with outlet side (115) in shell (111) two sides；The inlet end (114) connect with air blower, outlet side (115)
It is connect with the combustion chamber to casting stove heating.
2. the low-pressure piston rough-cast furnace according to claim 1 with clinker recycler, it is characterised in that: described
Filter layer (120) is filter screen, and mesh diameter is less than 1mm.
3. the low-pressure piston rough-cast furnace according to claim 2 with clinker recycler, it is characterised in that: described
Several metal tubes are provided in channel (113), described metal tube one end connects inlet end (114), and the other end connects outlet side
(115)。
4. the low-pressure piston rough-cast furnace according to claim 3 with clinker recycler, it is characterised in that: described
Agitating device (130) includes: the end cap (131) for covering recyclable device (100), the agitating shaft connecting with end cap (131)
(132), several first stirring rods (133) of (132) far from end cap (131) one end are set on agitating shaft.
5. the low-pressure piston rough-cast furnace according to claim 4 with clinker recycler, it is characterised in that: described
First stirring rod (133) section is triangle, and in rotational direction side thickness is less than other side thickness to the first stirring rod (133)
Degree.
6. the low-pressure piston rough-cast furnace according to claim 5 with clinker recycler, it is characterised in that: described
First stirring rod (133) is provided with floating rule (134) far from agitating shaft (132) one end, and the floating rule (134) is perpendicular to the first stirring
Bar (133), floating rule (134) section is triangle, and in rotational direction side thickness is less than other side thickness to floating rule (134)
Degree.
7. the low-pressure piston rough-cast furnace according to claim 6 with clinker recycler, it is characterised in that: described
Agitating shaft (132) is additionally provided with several second stirring rods (135), and the second stirring rod (135) length is less than the first stirring
Bar (133).
8. the low-pressure piston rough-cast furnace according to claim 7 with clinker recycler, it is characterised in that: described
In rotational direction side is different from other side level height for second stirring rod (135).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487305.2A CN110220390A (en) | 2019-06-05 | 2019-06-05 | Low-pressure piston rough-cast furnace with clinker recycler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487305.2A CN110220390A (en) | 2019-06-05 | 2019-06-05 | Low-pressure piston rough-cast furnace with clinker recycler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110220390A true CN110220390A (en) | 2019-09-10 |
Family
ID=67819803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487305.2A Pending CN110220390A (en) | 2019-06-05 | 2019-06-05 | Low-pressure piston rough-cast furnace with clinker recycler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110220390A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001226719A (en) * | 2000-02-09 | 2001-08-21 | Sumitomo Heavy Ind Ltd | Method for recovering melt and recovering device for the same |
| US20150251221A1 (en) * | 2013-03-12 | 2015-09-10 | United States Postal Service | System and method of unloading a container of items |
| CN205223324U (en) * | 2015-12-18 | 2016-05-11 | 重庆银浩铝业有限公司 | Slag aluminium separation recovery unit |
| CN106500508A (en) * | 2016-12-26 | 2017-03-15 | 郑州艾莫弗信息技术有限公司 | The metal derby smelting furnace equipment that a kind of heat secondary cycle is utilized |
| CN108061305A (en) * | 2017-11-14 | 2018-05-22 | 天津科创复兴科技咨询有限公司 | A kind of heating boiler that clinker is crushed with lifting pressing plate |
| CN108518981A (en) * | 2018-04-18 | 2018-09-11 | 阿坝铝厂 | A kind of electrolytic aluminium molten aluminum holding furnace |
| CN208124868U (en) * | 2018-04-24 | 2018-11-20 | 盐城科兴工业电炉有限公司 | A kind of fast melting intermediate frequency furnace |
| CN210374661U (en) * | 2019-06-05 | 2020-04-21 | 安徽省恒泰动力科技有限公司 | Low-pressure piston blank casting furnace with slag recovery device |
-
2019
- 2019-06-05 CN CN201910487305.2A patent/CN110220390A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001226719A (en) * | 2000-02-09 | 2001-08-21 | Sumitomo Heavy Ind Ltd | Method for recovering melt and recovering device for the same |
| US20150251221A1 (en) * | 2013-03-12 | 2015-09-10 | United States Postal Service | System and method of unloading a container of items |
| CN205223324U (en) * | 2015-12-18 | 2016-05-11 | 重庆银浩铝业有限公司 | Slag aluminium separation recovery unit |
| CN106500508A (en) * | 2016-12-26 | 2017-03-15 | 郑州艾莫弗信息技术有限公司 | The metal derby smelting furnace equipment that a kind of heat secondary cycle is utilized |
| CN108061305A (en) * | 2017-11-14 | 2018-05-22 | 天津科创复兴科技咨询有限公司 | A kind of heating boiler that clinker is crushed with lifting pressing plate |
| CN108518981A (en) * | 2018-04-18 | 2018-09-11 | 阿坝铝厂 | A kind of electrolytic aluminium molten aluminum holding furnace |
| CN208124868U (en) * | 2018-04-24 | 2018-11-20 | 盐城科兴工业电炉有限公司 | A kind of fast melting intermediate frequency furnace |
| CN210374661U (en) * | 2019-06-05 | 2020-04-21 | 安徽省恒泰动力科技有限公司 | Low-pressure piston blank casting furnace with slag recovery device |
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