CN220596330U - Aluminum intermediate alloy preparation is with integrative air conveying equipment - Google Patents
Aluminum intermediate alloy preparation is with integrative air conveying equipment Download PDFInfo
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- CN220596330U CN220596330U CN202322308856.2U CN202322308856U CN220596330U CN 220596330 U CN220596330 U CN 220596330U CN 202322308856 U CN202322308856 U CN 202322308856U CN 220596330 U CN220596330 U CN 220596330U
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 35
- 239000000956 alloy Substances 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 94
- 238000005303 weighing Methods 0.000 claims abstract description 92
- 239000000428 dust Substances 0.000 claims abstract description 68
- 238000003860 storage Methods 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 15
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052700 potassium Inorganic materials 0.000 abstract description 10
- 239000011591 potassium Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000000843 powder Substances 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 23
- 238000002156 mixing Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- QDIYZGWZTHZFNM-UHFFFAOYSA-N [F].[K] Chemical compound [F].[K] QDIYZGWZTHZFNM-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000007133 aluminothermic reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses integrated pneumatic conveying equipment for preparing an aluminum intermediate alloy, which comprises a feeding bin, a first dust remover, a first sending bin pump, a No. 1 bin, a No. 2 bin, a No. 1 tank car, a No. 2 tank car, a second dust remover, a first weighing device, a second weighing device, a mixer, a second sending bin pump, a No. 3 bin, a third weighing device, a third sending bin pump, a receiving bin, a fourth weighing device and a fourth sending bin pump, wherein all the components are connected through pipelines to form the complete and sealed pneumatic conveying equipment. According to the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy, through the structural design, a reliable and stable closed circulating system is formed, dust pollution and material loss caused by powder materials such as potassium fluoborate fluoride and potassium fluotitanate in the conveying process are avoided or reduced, the safety is improved, the structure is simple and reasonable, the safety is high, the environment is protected, and the improvement and the implementation are easy.
Description
Technical Field
The utility model relates to integrated pneumatic conveying equipment for preparing an aluminum intermediate alloy, and belongs to the technical field of aluminum intermediate alloy preparation.
Background
The aluminum intermediate alloy carries out modification treatment on an aluminum alloy structure by refining grains of the aluminum alloy, so that the performance of the metal is improved, and the aluminum intermediate alloy is widely applied to the fields of automobiles, rail transit, aerospace, ships, military industry, buildings, chemical industry, wires and cables and the like.
Al-Ti-B is used as an aluminum intermediate alloy and is a refiner widely used at present. When the Al-Ti-B is prepared by adopting a fluorine salt aluminothermic reaction method, fluorine salt potassium fluoborate and fluorine potassium titanate are needed, and are powder, and pollution is easy to form to the environment in the feeding and conveying processes. Therefore, the applicant develops an integrated pneumatic conveying device for preparing an aluminum intermediate alloy, which is used for closed conveying of powder raw materials during Al-Ti-B production.
Disclosure of Invention
The utility model provides an integrated pneumatic conveying device for preparing an aluminum intermediate alloy, which avoids or reduces dust pollution, protects the surrounding environment and improves the safety.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides an aluminum intermediate alloy prepares with integrative air conveying equipment, includes last feed bin, first dust remover, first sending storehouse pump, 1# feed bin, 2# feed bin, 1# tank car, 2# tank car, second dust remover, first weighing device, second weighing device, blendor, second sending storehouse pump, 3# feed bin, third weighing device, third sending storehouse pump, accept feed bin, fourth weighing device and fourth sending storehouse pump.
The first dust remover is arranged beside the upper bin, and the top of the upper bin is communicated with the air inlet of the first dust remover through a pipeline; the feed inlet of the first sending bin pump is communicated with the discharge outlet at the bottom of the feeding bin through a pipeline, and the discharge outlet of the first sending bin pump is respectively communicated into the No. 1 bin and the No. 2 bin through pipelines; the second dust remover is arranged beside the No. 2 storage bin, and the tops of the No. 1 storage bin and the No. 2 storage bin are respectively communicated with an air inlet of the second dust remover through pipelines;
the feeding pipelines are respectively arranged on the 1# bin and the 2# bin, and the discharging pipeline of the 1# tank car and the discharging pipeline of the 2# tank car are respectively in butt joint communication with the feeding pipelines of the 1# bin and the 2# bin through quick connectors;
the bottom of the No. 2 storage bin is provided with two discharge ports, namely a first discharge port and a second discharge port; the discharging hole at the bottom of the No. 1 storage bin, the first weighing device and the mixer are sequentially communicated through pipelines, and the first discharging hole at the bottom of the No. 2 storage bin, the second weighing device and the mixer are sequentially communicated through pipelines; the discharge hole at the bottom of the mixer, the second sending bin pump and the 3# bin are sequentially communicated through pipelines; a built-in filter bag dust remover is arranged on the No. 3 bin;
the number of the third weighing devices and the third sending bin pumps is three, the number of the receiving bins is six, three discharge ports are arranged at the bottom of the 3# bin, the three discharge ports at the bottom of the 3# bin are respectively communicated with the feed inlets of the three sets of third weighing devices through pipelines, the discharge ports of the three sets of third weighing devices are respectively communicated with the feed inlets of the three sets of third sending bin pumps through pipelines, and the discharge ports of the three sets of third sending bin pumps are respectively led into the six receiving bins through pipelines; each receiving bin is provided with a built-in filter bag dust collector;
the second discharge port at the bottom of the No. 2 bin is communicated with the feed inlet of a fourth weighing device through a pipeline, the discharge port of the fourth weighing device is communicated with the feed inlet of a fourth sending bin pump through a pipeline, and the discharge port of the fourth sending bin pump is respectively communicated with six receiving bins through pipelines.
The adoption of the system can realize the totally-enclosed transportation of the fluorine salt potassium fluoborate and potassium fluotitanate in the production process of Al-Ti-B, and can be used for feeding the ton bags or tank trucks.
The 3# bin is a temporary storage bin. The No. 1 feed bin, the No. 2 feed bin, the No. 3 feed bin and the like are all closed structures.
Automatic weighing and salt mixing integrated gas conveying system
Above-mentioned aluminum intermediate alloy preparation is with integrative air conveying equipment, still includes fifth weighing device, screw conveyer and processing stove, and fifth weighing device, screw conveyer and processing stove quantity are six respectively, accept feed bin, fifth weighing device, screw conveyer and four one-to-one of processing stove, accept the bottom discharge gate of feed bin and respectively with its fifth weighing device, screw conveyer and the processing stove that corresponds communicate in proper order through the pipeline. That is, the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy can feed materials to six processing furnaces simultaneously, so that the production efficiency is ensured.
The three sets of third sending bin pumps are a third sending bin pump A, a third sending bin pump B and a third sending bin pump C respectively, and the six receiving bins are a receiving bin A, a receiving bin B, a receiving bin C, a receiving bin D, a receiving bin E and a receiving bin F respectively; the third sending bin pump A is communicated with the receiving bin A, the receiving bin B and the receiving bin C through first pipelines respectively, and the third sending bin pump B is communicated with the receiving bin D, the receiving bin E and the receiving bin F through second pipelines respectively; the third sending bin pump C is communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F through third pipelines respectively. Thus, six receiving bins can be accurately matched.
The application connected refers to connected and communicated.
In order to facilitate transformation and assembly, the first pipeline is provided with two branch valves for branching the first pipeline into three branches, and the three branches are respectively communicated with the receiving bin A, the receiving bin B and the receiving bin C; the second pipeline is provided with two branch valves for branching the second pipeline into three branches, and the three branches are respectively communicated with the receiving bin D, the receiving bin E and the receiving bin F; five branch valves are arranged on the third pipeline to branch the third pipeline into six branches, and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F.
The pipeline connecting the discharge hole of the fourth sending bin pump and the six receiving bins is a fourth pipeline, five branch valves are arranged on the fourth pipeline to branch the third pipeline into six branches, and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F.
The corrosiveness of materials is considered, and the contact part of the whole system and the materials is made of stainless steel.
Preferably, the materials used for the No. 1 feed bin, the No. 2 feed bin and the No. 3 feed bin are carbon steel. The first dust remover and the second dust remover are made of carbon steel.
The mixer is a spiral belt mixer.
As a specific implementation scheme, a screw conveyor is arranged between the discharge hole at the bottom of the No. 1 storage bin and the first weighing device. Whether the screw conveyor is arranged or not is determined according to the field installation site, and when materials in the No. 1 feed bin, the No. 2 feed bin and the like cannot directly reach the corresponding weighing devices, the screw conveyor can be arranged for conveying.
It should be noted that: the present application does not have special improvement to each part per se, such as dust remover, storehouse pump, tank car, weighing device, screw conveyer etc. all directly purchase current product can, therefore this application is not repeated to the structure of each part per se. The improvement of the aluminum intermediate alloy powder conveying device is that all parts are combined according to the specific structure of the aluminum intermediate alloy powder conveying device, closed conveying of powder during aluminum intermediate alloy preparation is achieved, and structural design is ingenious and reasonable.
The specific control system and method of the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy can be directly adopted by the existing mature control system and method, and the control system and method are not particularly improved, so that the detailed description is omitted.
By adopting the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy, the flow of conveying the No. 1 material and the No. 2 material is as follows:
1) When the ton bag is used for feeding, the ton bag is manually transported to the upper bin through a travelling crane, and is untied and poured into the upper bin (5 m) 3 ) Dust generated in the process of pouring the ton bag is collected and filtered through a first dust collector arranged aside and then is emptied, and the material is conveyed to a No. 1 bin (79 m) through a first sending bin pump below the bin 3 ) Or 2# stock bin (79 m) 3 ) Collecting and filtering generated dust by a second dust remover arranged aside, and then evacuating;
2) When the tank truck is used for feeding, the feed bin 1 and the feed bin 2 are provided with feeding pipelines, the discharge pipelines of the tank truck 1 and the tank truck 2 are respectively in butt joint with the feeding pipelines of the feed bin 1 and the feed bin 2 through quick connectors, feeding is completed, and generated dust is collected and filtered through a second dust remover arranged aside and then is emptied;
in the two feeding modes, after materials and gases enter the bin body, gas-solid separation is carried out under the action of gravity, and the gases reaching the 1# bin and the 2# bin are filtered by a second dust remover and then exhausted after reaching standards;
3) According to the proportion, two materials in a 1# bin and a 2# bin respectively pass through a first weighing device and a second weighing device, then enter a mixer for mixing (8-10 min), the mixed materials are conveyed to a temporary storage 3# bin (23 cubic) through a second conveying bin pump, and gas is filtered by a filter bag dust remover arranged in the bin and then is emptied;
4) According to the required quantity of the 6-end furnaces, a 3# bin (23 m 3 ) The materials in the furnace are respectively discharged from three discharge holes at the bottom, and are respectively measured by three sets of third weighing devices, and then are conveyed to six receiving bins (0.5 m) corresponding to 6 furnaces through three sets of third sending bin pumps 3 ) The bin pump conveys 0 to 20 per time0kg (adjustable), after the materials and the gases conveyed in the past are subjected to gas-solid separation, the gases are filtered by a filter bag dust collector arranged in a receiving bin and then are emptied; the section is totally provided with 3 sets of sending bin pumps, 3 conveying pipelines (2 pipelines correspond to 3 furnace bins respectively, 1 pipeline corresponds to 6 furnace bins), and 9 sets of terminal shunt valves;
5) The materials in the No. 2 bin flow out from the second discharge hole at the bottom, are directly conveyed to the 6 receiving bins (0.5 m each) at the tail end through the fourth sending bin pump after being weighed by the fourth weighing device 3 ) After the materials and the gases in the past are subjected to gas-solid separation, the gases are filtered by a filter bag dust remover arranged in a receiving bin and then are emptied; the section is totally 1 set of sending bin pumps and 1 conveying pipeline; 5 sets of terminal shunt valves.
The technology not mentioned in the present utility model refers to the prior art.
According to the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy, through the structural design, a reliable and stable closed circulating system is formed, dust pollution and material loss caused by powder materials such as potassium fluoborate fluoride and potassium fluotitanate in the conveying process are avoided or reduced, the safety is improved, the structure is simple and reasonable, the safety is high, the environment is protected, and the improvement and the implementation are easy.
Drawings
FIG. 1 is a schematic diagram of an integrated pneumatic conveying device for preparing an aluminum intermediate alloy;
in the figure, 1 is an upper bin, 2 is a first dust remover, 3 is a first sending bin pump, 4 is a 1# bin, 5 is a 2# bin, 6 is a 1# tank car, 7 is a 2# tank car, 8 is a second dust remover, 9 is a first weighing device, 10 is a second weighing device, 11 is a mixer, 12 is a second sending bin pump, 13 is a 3# bin, 14 is a third weighing device, 15 is a third sending bin pump, 16 is a receiving bin, 17 is a fourth weighing device, 18 is a fourth sending bin pump, 19 is a fifth weighing device, 20 is a screw conveyor, and 21 is an air inlet device.
Detailed Description
For a better understanding of the present utility model, the following examples are further illustrated, but are not limited to the following examples.
The terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are directional or positional relationships based on the drawings or use conditions, merely for convenience of description of the present application, and do not denote or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Example 1
As shown in FIG. 1, the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy comprises an upper bin (5 m 3 ) The first dust remover, the first sending bin pump and the No. 1 bin (79 m) 3 ) No. 2 stock bin (79 m) 3 ) The device comprises a 1# tank truck, a 2# tank truck, a second dust remover, a first weighing device, a second weighing device, a mixer, a second sending bin pump and a 3# bin (23 m) 3 ) The system comprises a third weighing device, a third sending bin pump, a receiving bin, a fourth weighing device and a fourth sending bin pump.
The first dust remover is arranged beside the upper bin, and the top of the upper bin is communicated with the air inlet of the first dust remover through a pipeline; the feed inlet of the first sending bin pump is communicated with the discharge outlet at the bottom of the feeding bin through a pipeline, and the discharge outlet of the first sending bin pump is respectively communicated into the No. 1 bin and the No. 2 bin through pipelines; the No. 1 storage bin and the No. 2 storage bin are adjacently arranged, the second dust remover is arranged beside the No. 2 storage bin, and the tops of the No. 1 storage bin and the No. 2 storage bin are respectively communicated with an air inlet of the second dust remover through pipelines;
the feeding pipelines are respectively arranged on the 1# bin and the 2# bin, and the discharging pipeline of the 1# tank car and the discharging pipeline of the 2# tank car are respectively in butt joint communication with the feeding pipelines of the 1# bin and the 2# bin through quick connectors; of course, the connection between the tank truck and the storage bin is a detachable structure, but can be quickly connected through a quick connector when needed.
The bottom of the No. 2 storage bin is provided with two discharge ports, namely a first discharge port and a second discharge port; the discharging hole at the bottom of the No. 1 storage bin, the first weighing device and the mixer are sequentially communicated through pipelines, and the first discharging hole at the bottom of the No. 2 storage bin, the second weighing device and the mixer are sequentially communicated through pipelines; the discharge hole at the bottom of the mixer, the second sending bin pump and the 3# bin are sequentially communicated through pipelines; a built-in filter bag dust remover is arranged on the No. 3 bin;
the number of the third weighing devices and the third sending bin pumps is three, the number of the receiving bins is six, three discharge ports are arranged at the bottom of the 3# bin, the three discharge ports at the bottom of the 3# bin are respectively communicated with the feed inlets of the three sets of third weighing devices through pipelines, the discharge ports of the three sets of third weighing devices are respectively communicated with the feed inlets of the three sets of third sending bin pumps through pipelines, and the discharge ports of the three sets of third sending bin pumps are respectively led into the six receiving bins through pipelines; each receiving bin is provided with a built-in filter bag dust collector;
the second discharge port at the bottom of the No. 2 bin is communicated with the feed inlet of a fourth weighing device through a pipeline, the discharge port of the fourth weighing device is communicated with the feed inlet of a fourth sending bin pump through a pipeline, and the discharge port of the fourth sending bin pump is respectively communicated with six receiving bins through pipelines.
The adoption of the system can realize the totally-enclosed transportation of the fluorine salt potassium fluoborate and potassium fluotitanate in the production process of Al-Ti-B, and can be used for feeding the ton bags or tank trucks.
Example 2
On the basis of example 1, the following modifications were further made: above-mentioned aluminum intermediate alloy preparation is with integrative air conveying equipment, still includes fifth weighing device, screw conveyer and processing stove, and fifth weighing device, screw conveyer and processing stove quantity are six respectively, accept feed bin, fifth weighing device, screw conveyer and four one-to-one of processing stove, accept the bottom discharge gate of feed bin and respectively with its fifth weighing device, screw conveyer and the processing stove that corresponds communicate in proper order through the pipeline. That is, the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy can feed materials to six processing furnaces simultaneously, so that the production efficiency is ensured.
Example 3
On the basis of example 2, the following modifications were further made: the three sets of third sending bin pumps are a third sending bin pump A, a third sending bin pump B and a third sending bin pump C respectively, and the six receiving bins are a receiving bin A, a receiving bin B, a receiving bin C, a receiving bin D, a receiving bin E and a receiving bin F respectively; the third sending bin pump A is communicated with the receiving bin A, the receiving bin B and the receiving bin C through first pipelines respectively, and the third sending bin pump B is communicated with the receiving bin D, the receiving bin E and the receiving bin F through second pipelines respectively; the third sending bin pump C is communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F through third pipelines respectively. Thus, six receiving bins can be accurately matched.
Example 4
On the basis of example 3, the following modifications were further made: in order to facilitate transformation and assembly, as shown in fig. 1, two branch valves are arranged on the first pipeline to branch the first pipeline into three branches (one end communicated with the receiving bin), and the three branches are respectively communicated with the receiving bin A, the receiving bin B and the receiving bin C; the second pipeline is provided with two branch valves for branching the second pipeline into three branches (one end communicated with the receiving bin), and the three branches are respectively communicated with the receiving bin D, the receiving bin E and the receiving bin F; five branch valves are arranged on the third pipeline to branch the third pipeline into six branches (one end communicated with the receiving bin), and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F. The pipeline connecting the discharge hole of the fourth sending bin pump and the six receiving bins is a fourth pipeline, five branch valves are arranged on the fourth pipeline to branch the third pipeline into six branches (one end communicated with the receiving bins), and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F. The corrosiveness of materials is considered, and the contact part of the whole system and the materials is made of stainless steel. The materials used for the No. 1 feed bin, the No. 2 feed bin and the No. 3 feed bin are carbon steel. The first dust remover and the second dust remover are made of carbon steel. The mixer is a spiral belt mixer.
Example 5
On the basis of example 4, the following modifications were further made: a screw conveyer is arranged between the discharge hole at the bottom of the No. 1 storage bin and the first weighing device.
By adopting the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy, when Al-Ti-B is prepared, a 1# material and a 2# material are conveyed:
parameters of material 1# and material 2 #:
| physical Properties | Unit (B) | Material # 1 (Potassium fluoborate) | Material # 2 (Potassium fluotitanate) |
| Particle size | Order of (A) | 20～40 | 20～40 |
| Bulk density of | Kg/m3 | 1.2 | 1.35 |
| Other properties | Corrosiveness of | Corrosiveness of | |
| Temperature (temperature) | ℃ | Normal temperature | Normal temperature |
| Fluidity of the product | Good quality | Good quality |
Compressed air:
delivery point location:
the flow is as follows:
1) When the ton bag is used for feeding, the ton bag is manually transported to the upper bin through a travelling crane, and is untied and poured into the upper bin (5 m) 3 ) Dust generated in the process of pouring the ton bag is collected and filtered through a first dust collector arranged aside and then is emptied, and the material is conveyed to a No. 1 bin (79 m) through a first sending bin pump below the bin 3 ) Or 2# stock bin (79 m) 3 ) (1 # materials are in a 1# storage bin, 2# materials are in a 2# storage bin), and generated dust is collected and filtered by a second dust remover arranged aside and then is emptied;
2) When the tank truck is used for feeding, the feed bin 1 and the feed bin 2 are provided with feeding pipelines, the discharge pipelines of the tank truck 1 and the feed bin 2 are respectively in butt joint with the feeding pipelines of the feed bin 1 and the feed bin 2 through quick connectors, feeding is completed (the feed bin 1 in the tank truck 1 and the feed bin 2 in the tank truck 2 and the feed bin 2) and generated dust is collected, filtered and then emptied through a second dust remover arranged aside;
in the two feeding modes, after materials and gases enter the bin body, gas-solid separation is carried out under the action of gravity, and the gases reaching the 1# bin and the 2# bin are filtered by a second dust remover and then exhausted after reaching standards;
3) According to the proportion, two materials in a 1# bin and a 2# bin respectively pass through a first weighing device and a second weighing device, then enter a mixer for mixing (8-10 min), the mixed materials are conveyed to a temporary storage 3# bin (23 cubic) through a second conveying bin pump, and gas is filtered by a filter bag dust remover arranged in the bin and then is emptied;
4) According to the required quantity of the 6-end furnaces, a 3# bin (23 m 3 ) The materials in the furnace are respectively discharged from three discharge holes at the bottom, and are respectively measured by three sets of third weighing devices, and then are conveyed to six receiving bins (0.5 m) corresponding to 6 furnaces through three sets of third sending bin pumps 3 ) The bin pump conveys 0-200kg (adjustable) each time, after the conveyed materials and gas are subjected to gas-solid separation, the gas is filtered by a filter bag dust collector arranged in a receiving bin and then is emptied; the section is totally provided with 3 sets of sending bin pumps, 3 conveying pipelines (2 pipelines correspond to 3 furnace bins respectively, 1 pipeline corresponds to 6 furnace bins), and 9 sets of terminal shunt valves;
5) The materials in the No. 2 bin flow out from the second discharge hole at the bottom, are directly conveyed to the 6 receiving bins (0.5 m each) at the tail end through the fourth sending bin pump after being weighed by the fourth weighing device 3 ) After the materials and the gases in the past are subjected to gas-solid separation, the gases are filtered by a filter bag dust remover arranged in a receiving bin and then are emptied; the section is totally 1 set of sending bin pumps and 1 conveying pipeline; 5 sets of terminal shunt valves.
The mixed materials of the # 1 and the # 2 are required to be 60t per day, 2.5t per hour, and the times of weighing, metering, mixing and pumping per hour are 3 times, 20min is required each time, and 0.83t is required each time; and each time, 0.83t of the materials is mixed, the mixing ratio is 4:6, wherein the 1# material is 0.33t, the 2# material is 0.498t, the two materials are weighed (5 min is needed for discharging) and enter a mixing stirrer, the stirring time is 10min, and the materials enter a bin pump to start pressurized conveying after the stirring is finished, and the conveying time is 1-1.5 min. According to the service condition of the 6-furnace at the tail end, the 2# material (90-110 kg each time) after metering does not pass through a mixing stirrer and can be directly conveyed to a receiving bin of the 1-6 # furnace through a bin pump;
feeding the mixed materials 1# and 2# into a reactor 23m 3 Temporary storage bin (3 # bin), and conveying capacity (200 kg/time) of 6 furnaces at 60t/d and 23m 3 3 sets of weighing and conveying systems are arranged under the temporary storage bin, each set of weighing and metering and bin pump conveying are carried out 12 times per hour, and each time is required to be 5 minutes; wherein the 1-2# sending system corresponds to 3 furnace feeding bins respectively, and the 3# system is used as standby and can correspond to the feeding bins (each 0.5 m) of 6 furnaces 3 )。
In order to ensure the accuracy of detecting the materials conveyed into the furnace, a weighing device can be arranged below the feeding bin of the 6 furnaces, and the materials pumped from the bin are secondarily metered, so that the accuracy is ensured. And (3) after secondary metering by a weighing device, conveying the materials into a corresponding processing furnace through a rotary screw.
Description of principle:
1) Metering mixing and conveying parts of materials # 1 and # 2:
(1) the material 1# and the material 2# are respectively filled into corresponding storage bins through ton bags or automobiles; when the ton bag is used for feeding, the ton bag is manually transported to the position of the ton bag feeding bin through the travelling crane, the ton bag is unfastened and poured into the feeding bin, and dust generated in the ton bag pouring process is collected and filtered through a first dust collector arranged aside and then is emptied. The materials are conveyed to a No. 1 storage bin or a No. 2 storage bin through a first sending bin pump below the storage bin; when the tank truck is used for feeding, a feeding pipeline is arranged on the 1# bin and the 2# bin, and a discharging pipeline of the tank truck is in butt joint with a feeding pipeline of the bin through a quick connector, so that feeding is completed; in the two feeding modes, after materials and gases enter the bin body, gas-solid separation is carried out under the action of gravity, and the gases reaching the 1# bin and the 2# bin are filtered by a dust remover and then exhausted after reaching standards;
(2) the materials 1# and 2# enter weighing devices respectively from respective bin outlets (the materials 1# are required to be conveyed to the weighing devices through spiral conveying because of field arrangement), the weighing devices are provided with weighing hoppers (the hopper volume is larger than the volume of each weighing batch), pneumatic valves of feed inlets of the weighing devices are opened during each metering, the materials enter the hoppers to begin metering, when the set weight is reached, the feed valves are closed, metering output is started, when the set weight-reducing weight (330 kg of the materials 1# and 498kg of the materials 2 #) is reached, the output is stopped, and the weighing of the next batch is started; in order to ensure weighing precision, a material inlet and a material outlet of the weighing hopper and an air outlet of the weighing hopper are in soft silica gel connection.
(3) 2 materials enter a spiral belt type mixer (mixer) after being metered, spiral double-layer blades are arranged on a transmission main shaft, the materials are conveyed outwards by an inner spiral, and the materials are gathered inwards by an outer spiral. The materials form a low-power and high-efficiency mixed environment under the convection motion of the double-layer spiral belt. The inner diameter and outer diameter screws arranged on the stirring shaft drive the materials in the cylinder body, so that the stirrer turns the materials in the cylinder body in the maximum range. When the stirring device works, the inner spiral drives the materials close to the axle center to rotate, the outer spiral drives the materials close to the cylinder wall to rotate from inside to outside, and the outer spiral drives the materials close to the cylinder wall to rotate, so that the materials can be uniformly mixed in a short time.
(4) The spiral-flow type transmitter is arranged below the outlet of the mixer and used for conveying.
The materials enter the sending bin pump through a manual maintenance valve, an expansion joint, a pneumatic material sealing valve and a pneumatic air sealing valve. The sending bin pump is provided with an exhaust valve, a discharge valve, an air inlet device, a blowing blocking device, a pressure transmitter and an on-site control system.
The materials enter the sending bin pump through a manual maintenance valve, a flexible connection, a pneumatic material sealing valve and a pneumatic airtight valve. The sending bin pump is provided with an exhaust valve, a discharge valve, an air inlet device and a supercharging device, namely a supercharger, a pressure sensor and an on-site control system. When the materials enter the sending bin pump, the generated gas is led into the upper bin through the exhaust valve and the pipeline, so that the on-site working environment and safety are ensured, when the discharging of the mixing stirrer is finished, the sealing valve and the exhaust valve are closed, the air inlet device of the sending bin pump is opened, when the pressure in the to-be-sent bin pump reaches a certain set value, the pressurizing device of the conveying pipeline, namely the pressurizing device (mainly capable of preventing the occurrence of pipe blocking phenomenon during conveying) and the discharging valve are automatically opened, and the materials are pneumatically conveyed through the sealed pipeline.
In the whole conveying process, the object gas is required to be completely isolated from the outside, zero leakage is realized, and thus the safety and the environmental protection of the site are ensured. During the material conveying process, the pressure in the sending bin pump gradually decreases, when the pressure approaches (the lower limit is set), the sending bin pump automatically stops air inlet and closes the related valve to carry out the next cycle after the conveying is finished.
Each unit working process:
feeding, pressurizing, boiling, fluidizing, discharging, sweeping and zeroing, and the next unit.
The mixed material is conveyed to a destination of 23m through a pipeline under the pushing action of air flow 3 Temporary storage bin (3 # bin). A pulse filter bag dust collector, a high level switch and a low level switch are arranged in the bin, and the conveying is stopped when the high level shows that the bin is full (the conveying is stopped after the conveying is finished); when the back pressure in the storage bin is too high, the pressure release valve is automatically opened to release pressure, so that the storage bin does not bear the too high back pressure; the ash purifying bin is in normal pressure sealing state, and after the airflow and material are mixed to reach the bin, the space is enlarged, and the material falls into the bottom of the receiving bin under the action of gravity, and the airflow pressure drops suddenly, so that part of dust-containing gas diffuses toward the top of the bin along with the airflow characteristic, and at this time, the dust in the material is filtered by the exhaust filter dust collector arranged inside the bin, and the gas is discharged into the air.
(5) The bottom of the 3# bin is provided with a weighing device, a pneumatic valve at a feed inlet of the weighing device is opened during each metering, materials enter a hopper to start metering, when the set weight is reached, the feed valve is closed, the metering output is started, when the set weight reduction weight (adjustable 0-200 kg) is reached, the output is stopped, and the weighing of the next batch is started; in order to ensure weighing precision, a material inlet and a material outlet of the weighing hopper and an air outlet of the weighing hopper are in soft silica gel connection.
The cyclone type transmitter is arranged below the outlet of the weighing device for conveying. The principle is the same as above.
The mixed materials are conveyed to a tail end receiving bin through a sending bin pump, and the gas is filtered to reach the standard through a dust remover arranged in the receiving bin and then is emptied.
2) 2# material metering separate delivery section:
the material No. 2 enters a sending bin pump after being weighed (90-110 kg each time) by a weighing device from below a bin according to the requirements of 6 furnaces at the terminal, and a swirl type sender is adopted. The principle is the same as above.
The materials are conveyed to a tail end receiving bin through a sending bin pump, and the gas is filtered by a dust remover arranged in the receiving bin to reach the standard and then is emptied.
According to the integrated pneumatic conveying equipment for preparing the aluminum intermediate alloy, through the structural design, a reliable and stable closed circulating system is formed, dust pollution and material loss caused by powder materials such as potassium fluoborate fluoride and potassium fluotitanate in the conveying process are avoided or reduced, the safety is improved, and the structure is simple, reasonable, safe and environment-friendly.
Claims (9)
1. An aluminum intermediate alloy preparation is with integrative air conveying equipment which characterized in that: the device comprises an upper bin (1), a first dust remover (2), a first sending bin pump (3), a 1# bin (4), a 2# bin (5), a 1# tank car (6), a 2# tank car (7), a second dust remover (8), a first weighing device (9), a second weighing device (10), a mixer (11), a second sending bin pump (12), a 3# bin (13), a third weighing device (14), a third sending bin pump (15), a receiving bin (16), a fourth weighing device (17) and a fourth sending bin pump (18);
the first dust remover (2) is arranged beside the upper storage bin (1), and the top of the upper storage bin (1) is communicated with an air inlet of the first dust remover (2) through a pipeline; the feed inlet of the first sending bin pump (3) is communicated with the discharge outlet at the bottom of the feeding bin (1) through a pipeline, and the discharge outlet of the first sending bin pump (3) is respectively led into a No. 1 bin (4) and a No. 2 bin (5) through a pipeline; the second dust remover (8) is arranged beside the No. 2 storage bin (5), and the tops of the No. 1 storage bin (4) and the No. 2 storage bin (5) are respectively communicated with the air inlet of the second dust remover (8) through pipelines;
the feeding pipelines are respectively arranged on the 1# bin (4) and the 2# bin (5), and the discharging pipeline of the 1# tank car (6) and the discharging pipeline of the 2# tank car (7) are respectively in butt joint communication with the feeding pipelines of the 1# bin (4) and the 2# bin (5) through quick connectors;
the bottom of the No. 2 feed bin (5) is provided with two discharge ports, namely a first discharge port and a second discharge port; the discharging hole at the bottom of the No. 1 bin (4), the first weighing device (9) and the mixer (11) are sequentially communicated through pipelines, and the first discharging hole at the bottom of the No. 2 bin (5), the second weighing device (10) and the mixer (11) are sequentially communicated through pipelines; the discharge hole at the bottom of the mixer (11), the second sending bin pump (12) and the 3# bin (13) are sequentially communicated through pipelines; a built-in filter bag dust collector is arranged on the No. 3 bin (13);
the number of the third weighing devices (14) and the third sending bin pumps (15) is three, the number of the receiving bins (16) is six, three discharge holes are formed in the bottom of the 3# bin (13), the three discharge holes in the bottom of the 3# bin (13) are respectively communicated with the feed inlets of the three sets of the third weighing devices (14) through pipelines, the discharge holes of the three sets of the third weighing devices (14) are respectively communicated with the feed inlets of the three sets of the third sending bin pumps (15) through pipelines, and the discharge holes of the three sets of the third sending bin pumps (15) are respectively led into the six receiving bins (16) through pipelines; each receiving bin (16) is provided with a built-in filter bag dust collector;
the second discharge port at the bottom of the No. 2 bin (5) is communicated with the feed inlet of a fourth weighing device (17) through a pipeline, the discharge port of the fourth weighing device (17) is communicated with the feed inlet of a fourth sending bin pump (18) through a pipeline, and the discharge port of the fourth sending bin pump (18) is respectively communicated with six receiving bins (16) through pipelines.
2. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy as claimed in claim 1, wherein: the automatic weighing device further comprises a fifth weighing device (19), a screw conveyer (20) and a processing furnace, the number of the fifth weighing device (19), the screw conveyer (20) and the processing furnace is six, the receiving bin (16), the fifth weighing device (19), the screw conveyer (20) and the processing furnace are in one-to-one correspondence, and a bottom discharge hole of the receiving bin (16) is respectively communicated with the corresponding fifth weighing device (19), the screw conveyer (20) and the processing furnace through pipelines.
3. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy according to claim 1 or 2, wherein: the three sets of third sending bin pumps (15) are a third sending bin pump A, a third sending bin pump B and a third sending bin pump C respectively, and the six receiving bins (16) are a receiving bin A, a receiving bin B, a receiving bin C, a receiving bin D, a receiving bin E and a receiving bin F respectively; the third sending bin pump A is communicated with the receiving bin A, the receiving bin B and the receiving bin C through first pipelines respectively, and the third sending bin pump B is communicated with the receiving bin D, the receiving bin E and the receiving bin F through second pipelines respectively; the third sending bin pump C is communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F through third pipelines respectively.
4. An integrated pneumatic conveying apparatus for preparing an aluminum intermediate alloy as claimed in claim 3, wherein: the first pipeline is provided with two branch valves for branching the first pipeline into three branches, and the three branches are respectively communicated with the receiving bin A, the receiving bin B and the receiving bin C; the second pipeline is provided with two branch valves for branching the second pipeline into three branches, and the three branches are respectively communicated with the receiving bin D, the receiving bin E and the receiving bin F; five branch valves are arranged on the third pipeline to branch the third pipeline into six branches, and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F.
5. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy as claimed in claim 4, wherein: the pipeline connecting the discharge hole of the fourth sending bin pump (18) and the six receiving bins (16) is a fourth pipeline, five branch valves are arranged on the fourth pipeline to branch the third pipeline into six branches, and the six branches are respectively communicated with the receiving bin A, the receiving bin B, the receiving bin C, the receiving bin D, the receiving bin E and the receiving bin F.
6. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy according to claim 1 or 2, wherein: the materials used by the No. 1 feed bin (4), the No. 2 feed bin (5) and the No. 3 feed bin (13) are carbon steel.
7. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy according to claim 1 or 2, wherein: the materials used by the first dust remover (2) and the second dust remover (8) are carbon steel.
8. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy according to claim 1 or 2, wherein: the mixer (11) is a spiral belt type mixer.
9. The integrated pneumatic conveying equipment for preparing aluminum intermediate alloy according to claim 1 or 2, wherein: a screw conveyer is arranged between a discharge hole at the bottom of the No. 1 feed bin (4) and the first weighing device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308856.2U CN220596330U (en) | 2023-08-28 | 2023-08-28 | Aluminum intermediate alloy preparation is with integrative air conveying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322308856.2U CN220596330U (en) | 2023-08-28 | 2023-08-28 | Aluminum intermediate alloy preparation is with integrative air conveying equipment |
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| CN220596330U true CN220596330U (en) | 2024-03-15 |
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| CN202322308856.2U Active CN220596330U (en) | 2023-08-28 | 2023-08-28 | Aluminum intermediate alloy preparation is with integrative air conveying equipment |
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| CN (1) | CN220596330U (en) |
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- 2023-08-28 CN CN202322308856.2U patent/CN220596330U/en active Active
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