CN210339573U - Pneumatic dust conveying system in metallurgical industry - Google Patents
Pneumatic dust conveying system in metallurgical industry Download PDFInfo
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- CN210339573U CN210339573U CN201920080265.5U CN201920080265U CN210339573U CN 210339573 U CN210339573 U CN 210339573U CN 201920080265 U CN201920080265 U CN 201920080265U CN 210339573 U CN210339573 U CN 210339573U
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- conveying system
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Abstract
The utility model relates to a metallurgical industry dust pneumatic conveying system, it includes the dust remover, the dust remover includes dust removal subassembly and the ash bucket subassembly that is located the dust removal subassembly below, the dust remover top is provided with the air inlet, the ash bucket subassembly is including leaking hopper-shaped the ash bucket that connects, connect ash bucket lower extreme fixedly connected with fortune material chute, the one end intercommunication that fortune material chute kept away from and connects the ash bucket has the lifting machine, the top seal intercommunication of lifting machine has the feed bin, lifting machine top intercommunication is provided with negative-pressure air fan, the negative-pressure air fan electricity is connected with the PLC controller, the whole length of fortune material chute is 100 meters to 500 meters, the difference in level at fortune material chute both ends is 10 to 50 meters. The utility model discloses the pipeline inner wall receives the effect of material degree of wear when having the reduction transportation.
Description
Technical Field
The utility model relates to a dust pneumatic conveyor system especially relates to a metallurgical is according to trade dust pneumatic conveyor system.
Background
At present, a pneumatic conveying system becomes one of main transportation modes of dust particle type materials, the pneumatic transportation mode has more obvious advantages compared with the traditional transportation mode of the dust particle type materials, and the pneumatic conveying system can be suitable for transportation of various materials and has higher efficiency. The pipeline that the pneumatic transportation needs to lay is very nimble, can adapt to the demand of multiple topography. The automation degree of pneumatic conveying is becoming higher and higher in long-term development, and the work of adding dry powder, mixing materials or sorting powder can be completed in the conveying process according to the requirements of different customers. And in the pneumatic transportation process, the problem of material loss and material leakage hardly occurs due to higher sealing performance of the pipeline, so that the dust raising phenomenon is greatly reduced, and the material waste is effectively reduced.
Among the prior art, chinese utility model patent that bulletin number is CN204896804U discloses a building gypsum air conveying chute blast air internal circulation system, includes air conveying chute, chute fan, bag collector and connecting tube, the chute fan passes through connecting tube and is connected with air conveying chute, for the air conveying chute blast air, air conveying chute passes through connecting tube and is connected with the bag collector, the bag collector passes through connecting tube and is connected with the chute fan. The utility model discloses a chute fan and bag collector carry out the inner loop with the air conveying chute blast air, avoid the dust to arrange outward.
The above prior art solutions have the following drawbacks: the pneumatic conveying has the advantages that the conveying efficiency of materials is high, the flowing speed of the materials in the pipeline is high in the actual using process, the materials are often in direct contact with the inner wall of the pipeline, particularly in the metallurgical industry, the materials conveyed inside the pipeline often contain metal dust substances, the hardness of the substances is high, the materials are prone to causing serious abrasion to the pipeline after being in high-speed friction with the inner wall of the pipeline, and even the phenomenon of pipeline blockage or material deposition occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a metallurgical industry dust pneumatic conveying system has the advantage that the pipeline inner wall receives the material degree of wear when reducing the transportation.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a metallurgical industry dust pneumatic conveyor system, includes the dust remover, the dust remover includes dust removal subassembly and the ash bucket subassembly that is located the dust removal subassembly below, the dust remover top is provided with the air inlet, the ash bucket subassembly is including leaking hopper-shaped the ash bucket that connects, connect ash bucket lower extreme fixedly connected with fortune material chute, the one end intercommunication that connects the ash bucket is kept away from to fortune material chute has the lifting machine, the top seal intercommunication of lifting machine has the feed bin, lifting machine top intercommunication is provided with negative-pressure air fan, the negative-pressure air fan electricity is connected with the PLC controller, the whole length of fortune material chute is 100 meters to 500 meters, the difference in level at fortune material chute both ends is 10 to 50 meters.
Through adopting above-mentioned technical scheme, dust remover, fortune material chute, lifting machine and feed bin are inside to be airtight environment, and negative-pressure air fan's setting can be so that dust remover, fortune material chute, lifting machine and feed bin are inside to be in the negative pressure state all the time to it spills over to reduce the material dust, thereby effectively reduces the pollution that produces external environment. Meanwhile, the arrangement of the negative pressure fan can enable airflow with directional flow to exist in the material conveying chute all the time, the arrangement of the PLC can adjust the internal and external pressure difference and the airflow flow rate in the material conveying chute through adjusting the rotating speed of the negative pressure fan, the two ends of the material conveying chute are provided with height differences, the powdery material moves towards the bottom of a lower lifting machine from a higher ash receiving hopper under the drive of the directional airflow, the flow of the material mainly depends on the gravitational potential energy generated by the height differences, so that the flow rate of the powdery material is slower and the unit flow is smaller, a large amount of airflow exists between the material and the inner wall of the material conveying chute to play a buffering role, the material friction effect on the inner wall of the material conveying chute is greatly reduced, and the abrasion condition of the inner wall of the material conveying chute is effectively improved.
The utility model discloses further set up to, the fortune material chute has a plurality of gaseous electromagnetic flow valve along its length direction equipartition, gaseous electromagnetic flow valve electricity is connected with wireless signal transmitting device, the inside integration of PLC controller is provided with wireless signal receiving arrangement.
Through adopting above-mentioned technical scheme, the air current velocity of flow of each department in its length direction of fortune material chute during operation can be measured in a plurality of electromagnetic flow valve's setting, and the used consumptive material of winding displacement and the design degree of difficulty can effectively be reduced in wireless signal transmitting device's setting, if certain electromagnetic flow valve's the velocity of flow that records shows to descend, then probably this electromagnetic flow valve's the upper reaches part has taken place to block or material deposit phenomenon, needs the staff in time to shut down and overhaul this electromagnetic flow valve's the upper reaches part.
The utility model discloses further set up to, the fortune material chute includes a plurality of straightways that link to each other and bending segment, the internal surface laminating of fortune material chute straightway is provided with one-level ceramic wearing layer, the internal surface laminating of fortune material chute bending segment is provided with second grade ceramic wearing layer.
Through adopting above-mentioned technical scheme, the setting of bending segment can adapt to the installation demand of different topography, and the wearing and tearing that the setting of one-level ceramic wearing layer can further reduce fortune material chute inner wall and receive, and bending segment inner wall department compares with the straightway, and it is bigger that it receives the possibility of the direct striking of material dust, and solid setting compares thicker second grade ceramic wearing layer with one-level ceramic wearing layer to further reduce the wearing and tearing that fortune material chute bending segment inner wall received.
The utility model discloses further set up to, the air inlet department intercommunication of dust remover has steam supply equipment, air inlet department is provided with the temperature-sensing ware of being connected with the PLC controller electricity.
Through adopting above-mentioned technical scheme, the material dust in the metallurgical industry generally can have higher temperature, and at the in-process of transporting of long distance in the fortune material chute, the hot gas flow cools off easily and the condensation forms the drop of water, thereby the drop of water easily with material caking and adhesion lead to transporting the inside emergence of material chute and block up in fortune material chute inner wall surface, hot gas supply apparatus's setting can carry out high temperature drying to the dust, makes its inside moisture obtain effective evaporation, makes things convenient for follow-up transportation. The temperature sensor is arranged to facilitate the regulation and control of the temperature of hot air supplied by the hot air supply equipment by workers.
The utility model discloses further set up to, the junction intercommunication of lifting machine bottom and fortune material chute has the one-level raise dust treater.
Through adopting above-mentioned technical scheme, produce a large amount of raise dusts easily when the material in the fortune material chute enters into the lifting machine bottom, and there may be the installation clearance in the junction between lifting machine bottom and the fortune material chute, the setting of one-level raise dust treater can carry out effectual getting rid of and collecting to the raise dust that produces.
The utility model discloses further set up to, the junction intercommunication of lifting machine top and feed bin has the second grade raise dust treater.
Through adopting above-mentioned technical scheme, the material in the lifting machine is transported the top and produces a large amount of raise dusts easily when transmitting to the feed bin in, and there may be the installation clearance at the junction of lifting machine top and feed bin, and setting up of second grade raise dust treater can carry out effectual getting rid of and collecting to the raise dust that produces.
The utility model discloses further set up to, the one end that fortune material chute is close to connecing the ash bucket is provided with the sample connection, sample connection department intercommunication has the sampling tube that sets up towards material direction of transportation slope, sample connection department is equipped with the valve.
Through adopting above-mentioned technical scheme, the setting of sample connection can make things convenient for the staff to carry out sample inspection in advance to the material that gets into in the fortune material chute, and the sampling tube that the slope set up can make the material enter into the sampling tube along the air current in, makes things convenient for the material sample.
The utility model discloses further set up to, the one end that the thief hatch was kept away from to the sampling tube is formed with cooling coil, cooling coil's terminal cover is equipped with the silica gel cover.
Through adopting above-mentioned technical scheme, cooling coil's setting can carry out the primary cooling to the material that gets into the sampling tube, reduces the high temperature material and causes the possibility of direct damage to the staff, and the setting of silica gel cover can use with the cooperation of sample collection device in order to reduce the material dust and leak.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the material conveying chute and the negative pressure fan, the effect of reducing the abrasion of the inner wall of the material conveying chute caused by the friction of materials can be achieved;
2. the arrangement of the first-stage ceramic wear-resistant layer and the second-stage ceramic wear-resistant layer can further reduce the wear of the inner wall of the conveying chute caused by the friction of materials;
3. through the setting of one-level raise dust treater and second grade raise dust treater, can play the effect that reduces the powder raise dust and spill over.
Drawings
Fig. 1 is a schematic overall structure diagram of a pneumatic dust conveying system in the metallurgical industry in the embodiment.
FIG. 2 is a schematic view showing the external construction of the hot gas supply apparatus and the dust collector in this embodiment.
Fig. 3 is a schematic structural diagram of the junction of the straight line segment and the bent segment in the present embodiment.
Fig. 4 is an external structural diagram of the elevator and the silo in the embodiment.
Fig. 5 is an enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a hot gas supply device; 11. a temperature sensor; 2. a dust remover; 21. a dust removal assembly; 22. an ash bucket assembly; 221. an ash receiving hopper; 23. an air inlet; 3. a material conveying chute; 31. a gas electromagnetic flow valve; 32. a wireless signal transmitting device; 33. a straight line segment; 331. a primary ceramic wear layer; 34. bending the section; 341. a secondary ceramic wear layer; 35. a sampling port; 351. a sampling tube; 352. a valve; 353. a cooling coil; 354. a silica gel sleeve; 4. a hoist; 41. a negative pressure fan; 42. a PLC controller; 421. a wireless signal receiving device; 43. a first-stage dust raising processor; 44. a secondary dust processor; 5. a storage bin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a metallurgical industry dust pneumatic conveying system, including dust remover 2, dust remover 2 includes dust removal subassembly 21 and the ash bucket subassembly 22 that is located dust removal subassembly 21 below, 2 tops of dust remover are provided with air inlet 23, ash bucket subassembly 22 includes funnel-shaped ash bucket 221 that connects, it transports material chute 3 to connect ash bucket 221 lower extreme fixedly connected with, it has lifting machine 4 to transport material chute 3 to keep away from the one end intercommunication that connects ash bucket 221, the top seal intercommunication of lifting machine 4 has feed bin 5, 4 top intercommunications of lifting machine are provided with negative-pressure air fan 41, negative-pressure air fan 41 electricity is connected with PLC controller 42.
Referring to fig. 1, the overall length of the material conveying chute 3 is 100 meters to 500 meters, and the horizontal height difference between the two ends of the material conveying chute 3 is 10 meters to 50 meters, in this embodiment, the overall length of the material conveying chute 3 is 100 meters, and the horizontal height difference between the two ends of the material conveying chute is 10 meters. For the installation demand that adapts to different topography, fortune material chute 3 includes a plurality of straightway 33 and the bend section 34 that link to each other, the laminating of the internal surface of fortune material chute 3 straightway 33 is provided with one-level ceramic wearing layer 331 (refer to fig. 3), the laminating of the internal surface of fortune material chute 3 bend section 34 is provided with second grade ceramic wearing layer 341 (refer to fig. 3), in this embodiment, the thickness of second grade ceramic wearing layer 341 is 2 times of one-level ceramic wearing layer 331 thickness, the wearing and tearing that 3 inner walls of fortune material chute received can all be reduced in the setting of one-level ceramic wearing layer 331 and second grade ceramic wearing layer 341, bend section 34 compares with straightway 33, its inner wall receives the direct striking possibility of material dust bigger, so improve the thickness of second grade ceramic wearing layer 341, can further reduce the wearing and tearing that 3 bend section 34 inner walls of fortune material. A plurality of gas electromagnetic flow valves 31 (refer to fig. 3) are uniformly distributed on the material conveying chute 3 along the length direction thereof, the gas electromagnetic flow valves 31 are electrically connected with a wireless signal transmitting device 32 (refer to fig. 3), and a wireless signal receiving device 421 (refer to fig. 4) is integrally arranged inside the PLC controller 42.
Referring to fig. 2, the material dust in the metallurgical industry generally can have higher temperature, long distance transport's in the material chute 3 in transporting process, the hot gas flow cools off easily and the condensation forms the drop of water, thereby the drop of water easily with the material caking and the adhesion lead to transporting the inside emergence of material chute 3 to block up on the 3 inner wall surfaces of material chute, the air inlet 23 department intercommunication of dust remover 2 has steam supply apparatus 1, steam supply apparatus 1's setting can carry out high temperature drying to the dust, make its inside moisture obtain effective evaporation, make things convenient for follow-up transportation. The air inlet 23 is provided with a temperature sensor 11 electrically connected with the PLC controller 42, and the temperature sensor 11 is arranged to facilitate the regulation and control of the temperature of the hot air supplied by the hot air supply device 1 by the worker.
Referring to fig. 4, the connection between the bottom of the elevator 4 and the material conveying chute 3 is communicated with a first-stage dust processor 43, and the connection between the top of the elevator 4 and the bin 5 is communicated with a second-stage dust processor 44. The material in the fortune material chute 3 produces a large amount of raise dusts easily when entering into 4 bottoms of lifting machine, and 4 bottoms of lifting machine and the junction between the fortune material chute 3 probably have an installation clearance, and the setting of one-level raise dust treater 43 can carry out effectual getting rid of and collecting to the raise dust that produces. Produce a large amount of raise dusts easily when the material in lifting machine 4 is transported the top and is transmitted to feed bin 5, there may be installation clearance in 4 tops of lifting machine and the junction of feed bin 5, and the setting of second grade raise dust treater 44 can carry out effectual getting rid of and collecting to the raise dust that produces.
Referring to fig. 5, the one end that fortune material chute 3 is close to and connects ash bucket 221 (refer to fig. 2) is provided with sample connection 35, sample connection 35 department intercommunication has the sampling tube 351 that sets up towards the slope of material transportation direction, the sampling tube 351 that the slope set up can make the material enter into the sampling tube 351 along the air current, make things convenient for the material sample, sample connection 35 department is equipped with valve 352, the one end that sampling tube 351 kept away from sample connection 35 is formed with cooling coil 353, cooling coil 353's terminal cover is equipped with silica gel cover 354. The setting of cooling coil 353 can carry out the primary cooling to the material that gets into sampling tube 351, reduces the high temperature material and causes the possibility of direct damage to the staff, and the setting of silica gel cover 354 can use with the cooperation of sample collection device for reducing the material dust and leak.
The implementation principle of the embodiment is as follows: dust remover 2, fortune material chute 3, lifting machine 4 and feed bin 5 are inside to be airtight environment, and negative pressure fan 41's setting can be so that dust remover 2, fortune material chute 3, lifting machine 4 and 5 insides of feed bin are in negative pressure state all the time to it spills over to reduce the material dust, thereby effectively reduces the pollution that produces external environment. Meanwhile, the arrangement of the negative pressure fan 41 can enable airflow flowing directionally in the material conveying chute 3 to exist all the time, the arrangement of the PLC 42 can adjust the internal and external pressure difference and the airflow velocity in the material conveying chute 3 by adjusting the rotating speed of the negative pressure fan 41, the two ends of the material conveying chute 3 are provided with the height difference, the powdery material moves to the bottom of the lower elevator 4 from the higher ash receiving hopper 221 under the drive of the directional airflow, the flowing of the material is mainly carried out depending on the gravitational potential energy generated by the height difference, so that the flow velocity of the powdery material is slower and the unit flow is smaller, a large amount of airflow exists between the material and the inner wall of the material conveying chute 3 to play a buffering role, the material friction effect on the inner wall of the material conveying chute 3 is greatly reduced, and the abrasion condition of the inner wall of the material conveying chute 3 is effectively improved.
The electromagnetic flow valve can measure the airflow velocity of each position in the length direction of the material conveying chute 3 during working, the arrangement of the wireless signal transmitting device 32 can effectively reduce the consumable materials and the design difficulty for arranging wires, if the measured flow velocity of the electromagnetic flow valve at a certain position is obviously reduced, the upstream part of the electromagnetic flow valve at the position is possibly blocked or deposited with materials, and workers are required to shut down in time to overhaul the upstream part of the electromagnetic flow valve at the position. The setting of sample connection 35 can make things convenient for the staff to carry out sample inspection in advance to the material that gets into in the fortune material chute 3.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a metallurgical industry dust pneumatic conveying system, includes dust remover (2), dust remover (2) are including dust removal subassembly (21) and ash bucket subassembly (22) that are located dust removal subassembly (21) below, dust remover (2) top is provided with air inlet (23), ash bucket subassembly (22) are including the ash hopper (221) that connects that leaks hopper-shaped, connect ash hopper (221) lower extreme fixedly connected with fortune material chute (3), the one end intercommunication that connects ash hopper (221) is kept away from in fortune material chute (3) has lifting machine (4), the top seal intercommunication of lifting machine (4) has feed bin (5), its characterized in that: lifting machine (4) top intercommunication is provided with negative-pressure air fan (41), negative-pressure air fan (41) electricity is connected with PLC controller (42), the whole length of fortune material chute (3) is 100 meters to 500 meters, the level difference at fortune material chute (3) both ends is 10 to 50 meters, fortune material chute (3) include a plurality of straightway (33) that link to each other and buckle section (34), the laminating of the internal surface of fortune material chute (3) straightway (33) is provided with one-level ceramic wearing layer (331), the laminating of the internal surface of fortune material chute (3) buckle section (34) is provided with second grade ceramic wearing layer (341), the thickness of second grade ceramic wearing layer (341) is 2 times of one-level ceramic wearing layer (331) thickness.
2. The pneumatic dust conveying system for the metallurgical industry according to claim 1, wherein the pneumatic dust conveying system comprises: fortune material chute (3) have a plurality of gaseous electromagnetic flow valve (31) along its length direction equipartition, gaseous electromagnetic flow valve (31) are connected with wireless signal transmitting device (32), PLC controller (42) internal integration is provided with wireless signal receiving arrangement (421).
3. The pneumatic dust conveying system for the metallurgical industry according to claim 2, wherein: the hot air supply device (1) is communicated with an air inlet (23) of the dust remover (2), and a temperature sensor (11) electrically connected with the PLC (42) is arranged at the air inlet (23).
4. The pneumatic dust conveying system for the metallurgical industry according to claim 3, wherein the pneumatic dust conveying system comprises: the connection part of the bottom of the elevator (4) and the material conveying chute (3) is communicated with a first-stage dust processor (43).
5. The pneumatic dust conveying system for the metallurgical industry according to claim 4, wherein the pneumatic dust conveying system comprises: and the joint of the top of the elevator (4) and the storage bin (5) is communicated with a secondary dust raising processor (44).
6. The pneumatic dust conveying system for the metallurgical industry according to claim 5, wherein: one end of the material conveying chute (3) close to the ash collecting hopper (221) is provided with a sampling port (35), the sampling port (35) is communicated with a sampling pipe (351) which is obliquely arranged towards the material conveying direction, and a valve (352) is arranged at the sampling port (35).
7. The pneumatic dust conveying system for the metallurgical industry according to claim 6, wherein the pneumatic dust conveying system comprises: one end of the sampling tube (351) far away from the sampling port (35) is provided with a cooling coil (353), and the tail end of the cooling coil (353) is sleeved with a silica gel sleeve (354).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080265.5U CN210339573U (en) | 2019-01-17 | 2019-01-17 | Pneumatic dust conveying system in metallurgical industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080265.5U CN210339573U (en) | 2019-01-17 | 2019-01-17 | Pneumatic dust conveying system in metallurgical industry |
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| Publication Number | Publication Date |
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| CN210339573U true CN210339573U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920080265.5U Active CN210339573U (en) | 2019-01-17 | 2019-01-17 | Pneumatic dust conveying system in metallurgical industry |
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| CN (1) | CN210339573U (en) |
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