CN203229204U - Conveying system for high-temperature smoke - Google Patents

Abstract

The utility model discloses a high-temperature smoke and dust conveying system. The high-temperature smoke and dust conveying system includes: a first conveyor, the first conveyor has first and second feed ports and first and second discharge ports; a crusher, the feed port of the crusher is arranged at the second discharge port; Below the feed port; the third conveyor, the third conveyor is respectively connected with the discharge port of the crusher and the second feed port; the fan, the fan is connected with the first discharge port of the first conveyor through a negative pressure pipeline. To generate negative pressure; cyclone dust collector, cyclone dust collector is set on the negative pressure pipeline; bag filter, bag filter is set on the negative pressure pipeline and is located between the cyclone dust collector and the fan; and the second The conveyor and the second conveyor are respectively connected with the discharge port of the cyclone dust collector and the discharge port of the bag filter. The high-temperature smoke and dust conveying system according to the embodiment of the utility model has the advantages of simple structure, low manufacturing cost, low operating cost, high safety, high degree of automation, and high conveying efficiency.

Description

High temperature smoke and dust conveying system

technical field

The utility model relates to a high-temperature smoke and dust conveying system.

Background technique

At present, the high-temperature dusty flue gas generated by metallurgical furnaces is treated with waste heat boilers, electrostatic precipitators and other flue gas treatment equipment. The high-temperature dust collected by these equipment contains massive materials, so the buried scraper conveyor is used to concentrate the high-temperature dust and send it to the dust tank. After the dust is naturally cooled, it is manually transported to the independent crushing workshop with a forklift, and then conveyed back by positive pressure. Metallurgical furnace. This method has defects such as complex process, many failure points, and heavy maintenance workload. In addition, many times of manual unloading are required in the middle, which often causes smoke and dust to overflow, loss of valuable metals, and is not conducive to the clean production and environmental protection of the factory, consuming a lot of manpower and material resources.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems at least to a certain extent or at least provide a useful commercial choice. Therefore, an object of the utility model is to propose a high-temperature smoke and dust conveying system with simple structure, low manufacturing cost, low operating cost, high safety, high degree of automation and high conveying efficiency.

In order to achieve the above purpose, according to the utility model, a high-temperature smoke and dust conveying system is proposed, the high-temperature smoke and dust conveying system includes: a first conveyor, the first conveyor has a first and a second feeding port and a first and a second Two discharge ports, the second discharge port corresponds to the first discharge port; crusher, the feed port of the crusher is located below the second discharge port and is in the up and down direction with the The second discharge port is opposite, and the feed port of the crusher is spaced apart from the second discharge port; the third conveyor, the third conveyor is respectively connected to the discharge port of the crusher and the second discharge port. The second feed port is connected; the fan is connected to the first discharge port of the first conveyor through a negative pressure pipeline to generate negative pressure; the cyclone dust collector is set On the negative pressure pipeline and between the first discharge port of the first conveyor and the fan; the bag filter, the bag filter is arranged on the negative pressure pipeline and located at the Between the cyclone dust collector and the fan; and a second conveyor, the second conveyor is respectively connected to the discharge port of the cyclone dust collector and the discharge port of the bag filter.

According to the high-temperature smoke and dust conveying system of the present invention, the fan can be used to transport the high-temperature smoke and dust by using the negative pressure generated by the fan. Compared with the use of positive pressure to transport high-temperature smoke and dust, the high-temperature smoke and dust delivery system does not need to install high-pressure delivery pumps, pressure delivery tanks, high-pressure gas generators, etc. The structure of the high temperature fume conveying system is simplified, the manufacturing cost of the high temperature fume conveying system is reduced, the failure points of the high temperature fume conveying system are reduced, and the operating cost of the high temperature fume conveying system is reduced.

Moreover, by arranging the blower, the air sucked by the blower can be used to cool the high-temperature smoke and dust. Because the mixing of normal temperature and low-pressure air and powdery high-temperature soot is more uniform when the powdery high-temperature soot is conveyed under negative pressure, and the amount of low-pressure air used for the unit mass of powdery high-temperature soot is greater than that used for positive pressure conveying of the unit mass of powdery high-temperature soot. Therefore, the high-temperature smoke and dust conveying system according to the utility model can quickly and effectively cool down the powdery high-temperature smoke and dust, thus ensuring the safe operation of the high-temperature smoke and dust conveying system. By using the negative pressure generated by the fan to transport high-temperature smoke and dust, the overflow of high-temperature smoke and dust can be prevented, thereby not only preventing the loss of valuable elements, but also preventing the environment from being polluted by high-temperature smoke and dust. In addition, the high-temperature smoke and dust conveying system according to the utility model also has the advantages of high degree of automation, greatly improves the conveying efficiency of high-temperature smoke and dust, and saves manpower. Wherein, the conveying capacity of the high-temperature smoke and dust conveying system can reach 50 tons/hour.

In addition, according to the high-temperature smoke and dust conveying system of the present invention, by setting the second discharge port on the first conveyor, the air inhaled from the second discharge port can be used to automatically dispose of powdery high-temperature smoke and dust and Blocky high-temperature smoke and dust are separated. Wherein, the powdery high-temperature smoke is transported to the cyclone dust collector by the inhaled air, and the massive high-temperature smoke falls into the crusher.

According to the high-temperature smoke and dust conveying system of the present invention, by setting the crusher, the massive high-temperature smoke and dust can be crushed to obtain powdery high-temperature smoke and dust (that is, the block high-temperature smoke and dust can be crushed to the particle size required for negative pressure transportation). The crushed powdery high-temperature smoke and dust can be transported to the second feed port of the first conveyor through the third conveyor, and then transported to the first discharge port of the first conveyor, and then in the negative Enter the negative pressure pipeline under the action of pressure. That is to say, the high-temperature smoke and dust conveying system according to the utility model can quickly and effectively convey high-temperature smoke and dust containing massive high-temperature smoke and dust.

In addition, the above-mentioned high-temperature smoke and dust conveying system according to the utility model can also have the following additional technical features:

The high-temperature fume conveying system further includes an abrasive machine, the feed port of the abrasive machine is connected to the discharge port of the crusher, and the discharge port of the abrasive machine is connected to the third conveyor. By arranging the grinder, the soot crushed by the crusher can be ground so that the soot reaches the particle size required for negative pressure conveying.

The crusher is a toothed roller crusher, the abrasive machine is a ball mill, and the third conveyor is a bucket elevator.

There are multiple cyclone dust collectors, and multiple cyclone dust collectors are connected in series and/or in parallel. As a result, the conveying capacity of the high-temperature fume conveying system can be increased.

The bottom of the cyclone dust collector is provided with a dust collection box and a hollow isolation cone. Thus, air leakage and secondary dust raising can be reduced, and the dust collection efficiency of the cyclone dust collector can be improved.

The bag filter has multiple ash hoppers. Thus, the height of the bag filter can be reduced, and the space occupied by the bag filter can be reduced.

The high-temperature dust conveying system also includes a dust bin, the feed port of the dust bin is respectively connected with the outlet of the cyclone dust collector and the outlet of the bag filter, and the outlet of the dust bin is The feed port is connected with the second conveyor. By setting the dust bin, the dust collected by the cyclone dust collector and the bag filter can be temporarily stored in the dust bin, thereby stabilizing the amount of dust transported to the metallurgical furnace.

The first conveyor is a screw conveyor, and the second conveyor is a buried scraper conveyor.

The first conveyor is provided with a first frequency converter, and the second conveyor is provided with a second frequency converter. Thus, the first variable frequency speed controller can be used to adjust the amount of smoke and dust transported by the first conveyor, and the second frequency conversion speed regulator can be used to adjust the amount of smoke and dust transported by the second conveyor.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of a high-temperature smoke and dust conveying system according to an embodiment of the present invention; and

Fig. 2 is a flowchart of a method for transporting high-temperature smoke and dust according to an embodiment of the present invention.

High-temperature smoke and dust conveying system 1, first conveyor 10, first material inlet 11, first material outlet 12, second material inlet 13, second material outlet 14, fan 20, negative pressure pipeline 30, cyclone Dust collector 40, cyclone dust collector discharge pipe 41, cyclone dust collector discharge valve 42, bag dust collector 50, bag dust collector discharge pipe 51, bag dust collector discharge valve 52, first ash Bucket 53, second ash hopper 54, second conveyor 60, crusher 70, feed port 71 of crusher 70, third conveyor 80, abrasive machine 90, dust bin 100

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following describes a high-temperature smoke and dust conveying system 1 according to an embodiment of the present invention with reference to FIG. 1 . As shown in Figure 1, the high-temperature smoke and dust conveying system 1 according to the embodiment of the utility model includes a first conveyor 10, a crusher 70, a third conveyor 80, a fan 20, a cyclone dust collector 40, a bag filter 50 and Second conveyor 60.

The first conveyor 10 has a first material inlet 11 and a second material inlet 13 as well as a first material outlet 12 and a second material outlet 14 , and the second material outlet 14 corresponds to the first material outlet 12 . The feed port 71 of the crusher 70 is arranged below the second discharge port 14 of the first conveyor 10, and the feed port 71 of the crusher 70 is in the up-down direction (the up-down direction is shown by arrow E in FIG. 1 ). Opposite to the second discharge port 14 of the first conveyor 10 , the feed port 71 of the crusher 70 is spaced apart from the second discharge port 14 of the first conveyor 10 . The third conveyor 80 is respectively connected with the discharge port of the crusher 70 and the second feed port 13 of the first conveyor 10 .

The blower 20 is connected to the first discharge port 12 of the first conveyor 10 through a negative pressure pipeline 30 for generating negative pressure. The cyclone dust collector 40 is arranged on the negative pressure pipeline 30 and the cyclone dust collector 40 is located between the first discharge port 12 of the first conveyor 10 and the fan 20 . The bag dust collector 50 is arranged on the negative pressure pipeline 30 and the bag dust collector 50 is located between the cyclone dust collector 40 and the fan 20 . The second conveyor 60 is respectively connected to the discharge port of the cyclone dust collector 40 and the discharge port of the bag filter 50 .

A method for transporting high-temperature smoke and dust using the high-temperature smoke and dust delivery system 1 according to an embodiment of the present invention will be described below with reference to FIG. 2 . The method includes:

A) Provide massive high-temperature soot and powdery high-temperature soot to the first feed port 11 of the first conveyor 10, and then the massive high-temperature soot and powdery high-temperature soot are transported to the first conveyor 10 a discharge port 12;

B) Start the fan 20 to generate negative pressure in the negative pressure pipeline 30. Under the action of negative pressure, the powdery high-temperature smoke enters the cyclone dust collector 40 and the bag dust collector 50 sequentially through the negative pressure pipeline 30. The massive high-temperature smoke enters into the crusher 70 through the second outlet 14;

C) Use the crusher 70 to crush the massive high-temperature soot to obtain powdery high-temperature soot, and then use the third conveyor 80 to transport the crushed powdery high-temperature soot to the second feed port 13, and then crush the obtained The powdery high-temperature smoke is transported to the first discharge port 12, and the powdery high-temperature smoke obtained by crushing under the action of negative pressure enters the cyclone dust collector 40 and the bag filter 50 sequentially through the negative pressure pipeline 30; and

D) Use the cyclone dust collector 40 and the bag filter 50 to collect powdery high-temperature smoke and dust, and use the second conveyor 60 to transport the collected powdery high-temperature smoke to the destination device.

Specifically, the mixture of massive high-temperature soot and powdery high-temperature soot collected by waste heat boilers and electrostatic precipitators (that is, the mixture of lumpy high-temperature soot and powdery high-temperature soot) is transported to the No. A first feed port 11 of a conveyor 10 , and then the massive high-temperature smoke and dust and powdery high-temperature smoke are transported to the first discharge port 12 of the first conveyor 10 . Simultaneously start the fan 20 so as to generate negative pressure in the negative pressure pipeline 30 , and the powdery high-temperature smoke enters the negative pressure pipeline 30 under the effect of negative pressure, and enters the cyclone dust collector 40 through the negative pressure pipeline 30 . Since the massive high-temperature smoke has a large mass, the negative pressure generated by the fan 20 cannot transport the massive high-temperature smoke. The massive high-temperature smoke enters the crusher 70 from the second discharge port 14 corresponding to the first discharge port 12 under the action of its own gravity. Use the crusher 70 to crush the massive high-temperature soot to obtain powdery high-temperature soot, then use the third conveyor 80 to transport the crushed powdery high-temperature soot to the second feed port 13, and then crush the obtained powdery high-temperature soot. The high-temperature smoke is transported to the first outlet 12 , and the powdery high-temperature smoke obtained by crushing enters the negative pressure pipeline 30 under the action of negative pressure, and enters the cyclone dust collector 40 through the negative pressure pipeline 30 . Most of the powdery high-temperature smoke is collected by the cyclone dust collector 40 , and a small amount of uncollected powdery high-temperature smoke enters the bag filter 50 through the negative pressure pipeline 30 and is collected by the bag filter 50 . Finally, the powdery high-temperature dust collected by the cyclone dust collector 40 and the bag dust collector 50 is transported to the destination device (such as a metallurgical furnace) by the second conveyor 60, and the clean air can be discharged to the atmosphere by the fan 20. Advantageously, the metallurgical furnace may be a flash smelting furnace.

The high-temperature smoke and dust conveying system 1 according to the embodiment of the present utility model is equipped with a fan 20 so that the negative pressure generated by the fan 20 can be used to transport the high-temperature smoke and dust. Compared with the use of positive pressure to transport high-temperature smoke and dust, the high-temperature smoke and dust delivery system 1 does not need to install high-pressure delivery pumps, pressure delivery tanks, high-pressure gas generators, etc. The structure of the high-temperature smoke and dust conveying system 1 is improved, the manufacturing cost of the high-temperature smoke and dust conveying system 1 is reduced, the failure points of the high-temperature smoke and dust conveying system 1 are reduced, and the operating cost of the high-temperature smoke and dust conveying system 1 is reduced.

Moreover, by providing the fan 20, the air sucked by the fan 20 can be used to cool the high-temperature smoke and dust. Because the mixing of normal temperature and low-pressure air and powdery high-temperature soot is more uniform when the powdery high-temperature soot is conveyed under negative pressure, and the amount of low-pressure air used for the unit mass of powdery high-temperature soot is greater than that used for positive pressure conveying of the unit mass of powdery high-temperature soot Therefore, the high-temperature smoke and dust conveying system 1 according to the embodiment of the utility model can quickly and effectively cool down the powdery high-temperature smoke and dust, thus ensuring the safe operation of the high-temperature smoke and dust conveying system 1 . By using the negative pressure generated by the fan 20 to transport the high-temperature smoke and dust, the overflow of the high-temperature smoke and dust can be prevented, thereby not only preventing the loss of valuable elements, but also preventing the environment from being polluted by the high-temperature smoke and dust. In addition, the high-temperature smoke and dust conveying system 1 according to the embodiment of the utility model also has the advantages of high degree of automation, which greatly improves the conveying efficiency of high-temperature smoke and dust, and saves manpower. Among them, the conveying capacity of the high-temperature smoke and dust conveying system 1 can reach 50 tons/hour.

In addition, the high-temperature smoke and dust conveying system 1 according to the embodiment of the present utility model is provided with the second discharge port 14 on the first conveyor 10, so that the air inhaled from the second discharge port 14 can be used to automatically clean the powdery high-temperature smoke and dust. Separated from massive high-temperature smoke and dust. Among them, the powdery high-temperature smoke is transported to the cyclone dust collector 40 by the inhaled air, and the massive high-temperature smoke falls into the crusher 70 .

The high-temperature smoke and dust conveying system 1 according to the embodiment of the present utility model is equipped with a crusher 70, so as to crush massive high-temperature smoke and dust to obtain powdery high-temperature smoke and dust (that is, break the block high-temperature smoke and dust to the particle size required for negative pressure transportation). The crushed powdery high-temperature smoke and dust can be transported to the second feed port 13 of the first conveyor 10 through the third conveyor 80, and then transported to the first discharge port 12 of the first conveyor 10, and then in the negative pressure Enter the negative pressure pipeline 30 under the effect of. That is to say, the high-temperature smoke and dust conveying system 1 according to the embodiment of the present invention can quickly and effectively transport high-temperature smoke and dust containing massive high-temperature smoke and dust.

The method for transporting high-temperature smoke and dust according to the embodiment of the utility model uses the negative pressure generated by the fan 20 to transport high-temperature smoke and dust, so that high-temperature smoke and dust containing massive high-temperature smoke and dust can be quickly and effectively transported, reducing the transmission of high-temperature smoke and dust Reduce costs, improve the transmission efficiency of high-temperature smoke and dust, prevent the loss of valuable elements, avoid environmental pollution by high-temperature smoke and dust, and improve automation and safety.

Specifically, the first discharge port 12 of the first conveyor 10 can be connected with the inlet of the cyclone dust collector 40 through the negative pressure pipeline 30, that is, the negative pressure pipeline 30 can be sealed with the first conveyor 10 respectively. The first discharge port 12 is connected to the inlet of the cyclone dust collector 40 . The outlet of the cyclone dust collector 40 can be connected with the inlet of the bag dust collector 50 through the negative pressure pipeline 30, that is, the negative pressure pipeline 30 can be sealed with the outlet of the cyclone dust collector 40 and the inlet of the bag dust collector 50 respectively. connected. The outlet of the bag filter 50 can be connected to the fan 20 through the negative pressure pipeline 30 , that is, the negative pressure pipeline 30 can be connected to the outlet of the bag filter 50 and the fan 20 in a sealed manner.

The blower 20 may be a Roots blower or a high-pressure centrifugal blower, and the blower 20 may be a single-stage blower or a multi-stage blower.

The temperature of high-temperature soot can be 100 degrees Celsius to 1000 degrees Celsius, the content of massive high-temperature soot in high-temperature soot can be less than or equal to 50% (mass ratio), and the heap specific gravity of high-temperature soot can be 0.6 tons/m3-3.5 tons/m3 . The particle size of the powdery high-temperature soot may be 10 microns-2000 microns, and the particle size of the crushed powdery high-temperature soot may also be 10 microns-2000 microns.

The first discharge port 12 and the second discharge port 14 of the first conveyor 10 may be located on the same cross section of the first conveyor 10 . Advantageously, the first discharge opening 12 can open upwards, and the second discharge opening 14 can open downwards. In other words, the first discharge port 12 and the second discharge port 14 may face each other in the vertical direction.

The feed port 71 of the crusher 70 may be in the shape of a trumpet, thereby facilitating the entry of lumpy dust into the crusher 70 . Since the feed port 71 of the crusher 70 is separated from the second discharge port 14 of the first conveyor 10, air can be sucked into the negative pressure pipeline 30 from the second discharge port 14 of the first conveyor 10 . Since the negative pressure at the second discharge port 14 of the first conveyor 10 is very high, the high-temperature smoke and dust will not leak from the second discharge port 14 of the first conveyor 10 . Specifically, the feed port 71 of the crusher 70 and the second discharge port 14 of the first conveyor 10 may be separated by 50mm-1000mm so that enough air can be sucked into the negative pressure pipeline 30 .

In one embodiment of the present utility model, as shown in Figure 1, the high-temperature fume conveying system 1 can also include an abrasive machine 90, the feed port of the abrasive machine 90 can be connected with the discharge port of the crusher 70 and the abrasive machine 90 The discharge port may be connected with a third conveyor 80 . By setting the grinder 90, the soot crushed by the crusher 70 can be ground so that the soot reaches the particle size required for negative pressure conveying. Advantageously, the abrasive machine 90 may be multi-stage.

The discharge port of the crusher 70 can be connected sealingly with the feed port of the abrasive machine 90 through a pipeline, and the third conveyor 80 can be respectively connected with the discharge port of the grinder 90 and the second feed port of the first conveyor 10 through a pipeline. Port 13 is connected sealingly.

Specifically, the crusher 70 may be a toothed-roll crusher, and the teeth on the rollers of the toothed-roll crusher are detachable and replaceable, the abrasive machine 90 may be a ball mill, and the third conveyor 80 may be a bucket elevator. machine.

As shown in Figure 1, in some examples of the present utility model, the high-temperature smoke and dust conveying system 1 can also include a smoke and dust bin 100, and the feed port of the smoke and dust bin 100 can be connected with the discharge port of the cyclone dust collector 40 and the bag dust collector respectively. The discharge port of the container 50 is connected, and the discharge port of the smoke bin 100 can be connected with the second conveyor 60 . By setting the soot bin 100, the soot collected by the cyclone dust collector 40 and the bag filter 50 can be temporarily stored in the soot bin 100, thereby stabilizing the amount of soot transported to the metallurgical furnace.

The discharge port of the cyclone dust collector 40 can be connected to the feed port of the dust bin 100 through the discharge pipe 41 of the cyclone dust collector, and the discharge port of the bag dust collector 50 can be connected through the discharge pipe 51 of the bag dust collector. It is connected to the feed port of the soot bin 100 in a sealed manner. In other words, there may be multiple feed ports of the soot bin 100 . Wherein, the cyclone dust collector discharge pipe 41 may be provided with a cyclone dust collector discharge valve 42 , and the bag dust collector discharge pipe 51 may be provided with a bag dust collector discharge valve 52 . Specifically, the cyclone dust collector discharge valve 42 can be a star discharge valve, an electric double-layer flap valve, a heavy hammer flap valve, etc., and the bag filter discharge valve 52 can also be a star discharge valve, Electric double-layer flap valve, heavy hammer flap valve, etc.

Advantageously, the second conveyor 60 may be provided with a second variable frequency speed regulator. Therefore, the amount of dust transported by the second conveyor 60 can be adjusted by using the second frequency conversion speed regulator.

Optionally, the first conveyor 10 may be a screw conveyor, and the second conveyor 60 may be a buried scraper conveyor. The first conveyor 10 may be provided with a first variable frequency speed regulator. Therefore, the amount of dust transported by the first conveyor 10 can be adjusted by using the first variable frequency speed regulator.

As shown in Figure 1, in an example of the present utility model, the first feed inlet 11 can be positioned at the first end of screw conveyor, and the second feed inlet 13 can be positioned at the second end of screw conveyor, and the first outlet The feed port 12 and the second discharge port 14 may be located in the middle of the screw conveyor. Wherein, the screw conveyor may have a first blade and a second blade, and the rotation direction of the first blade may be opposite to that of the second blade. The first blade can be located below the first feed port 11 so as to transport the high-temperature smoke and dust entering from the first feed port 11 to the first discharge port 12 and the second discharge port 14, and the second blade can be located at Below the second material inlet 13 so as to transport the high-temperature smoke and dust entering from the second material inlet 13 to the first material outlet 12 and the second material outlet 14 .

In a specific example of the present utility model, as shown in FIG. 1 , there may be multiple cyclone dust collectors 40 in order to improve the conveying capacity of the high-temperature smoke dust conveying system 1 , and multiple cyclone dust collectors 40 may be connected in series and/or in parallel. In other words, multiple cyclone dust collectors 40 can be connected in series, and multiple cyclone dust collectors 40 can also be connected in parallel. In addition, a part of the plurality of cyclone dust collectors 40 can be connected in series, another part of the plurality of cyclone dust collectors 40 can be connected in parallel, and another part of the plurality of cyclone dust collectors 40 can be connected with the plurality of cyclone dust collectors 40 part of the series.

Advantageously, the bottom of the cyclone dust collector 40 can be provided with a dust collection box and a hollow isolation cone, thereby reducing air leakage and secondary dust, and improving the dust collection efficiency of the cyclone dust collector 40 . The cyclone dust collector 40 can be made of wear-resistant materials, and the cyclone dust collector 40 can also be lined with wear-resistant materials.

The bag filter 50 can be an online compressed gas pulse cleaning bag filter, or an offline compressed gas pulse cleaning bag filter. The filter bag of the baghouse 50 may be a circular filter bag, and the filter bag of the baghouse 50 may be a high temperature resistant filter bag. The bag dust collector 50 may have multiple ash hoppers, thereby reducing the height of the bag dust collector 50 and reducing the space occupied by the bag dust collector 50 . The ash hopper of the bag filter 50 can be a boat-shaped ash hopper or a cone-shaped ash hopper. When the ash hopper of the bag filter 50 is a ship-shaped ash hopper, it can be equipped with a screw conveyor and ash discharge valve; when the ash hopper of the bag filter 50 is a conical ash hopper, each ash hopper can be equipped with an independent discharge valve. Gray valve.

As shown in Figure 1, specifically, the bag filter 50 can have a first ash hopper 53 and a second ash hopper 54, each of which can pass through the bag filter The discharge pipe 51 is connected to the feed port of the soot bin 100 in a sealed manner. The soot bin 100 shown in FIG. 1 has three feed ports.

The high-temperature smoke and dust conveying system 1 according to the embodiment of the utility model has the advantages of simple structure, low manufacturing cost, low operating cost, high safety, high degree of automation, and high conveying efficiency.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present invention. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose.

Claims (9)

1. A high-temperature smoke and dust conveying system, characterized in that, comprising: a first conveyor, the first conveyor has first and second material inlets and first and second material outlets, and the second material outlet corresponds to the first material outlet; A crusher, the feed port of the crusher is arranged below the second discharge port and is opposite to the second discharge port in the up and down direction, the feed port of the crusher is connected to the second discharge port The feed port is spaced apart; a third conveyor, the third conveyor is respectively connected to the discharge port of the crusher and the second feed port; A fan, the fan is connected to the first outlet of the first conveyor through a negative pressure pipeline for generating negative pressure; A cyclone dust collector, the cyclone dust collector is arranged on the negative pressure pipeline and is located between the first discharge port of the first conveyor and the fan; A bag dust collector, the bag dust collector is arranged on the negative pressure pipeline and is located between the cyclone dust collector and the fan; and A second conveyor, the second conveyor is respectively connected to the discharge port of the cyclone dust collector and the discharge port of the bag filter. 2. The high-temperature smoke and dust conveying system according to claim 1, further comprising an abrasive machine, the feed port of the abrasive machine is connected to the discharge port of the crusher and the discharge port of the abrasive machine Connected with the third conveyor. 3. The high-temperature smoke and dust conveying system according to claim 2, wherein the crusher is a gear-roller crusher, the abrasive machine is a ball mill, and the third conveyor is a bucket elevator. 4. The high-temperature smoke and dust conveying system according to claim 1, characterized in that there are a plurality of cyclone dust collectors, and the plurality of cyclone dust collectors are connected in series and/or in parallel. 5. The high-temperature smoke and dust conveying system according to claim 1, characterized in that, the bottom of the cyclone dust collector is provided with a dust collection box and a hollow isolation cone. 6. The high-temperature smoke and dust conveying system according to claim 1, wherein the bag filter has multiple ash hoppers. 7. The high-temperature soot conveying system according to claim 1, further comprising a soot bin, the feed port of the soot bin is connected to the discharge port of the cyclone dust collector and the bag filter respectively The discharge port of the smoke bin is connected with the discharge port of the second conveyor. 8. The high-temperature smoke and dust conveying system according to claim 1, wherein the first conveyor is a screw conveyor, and the second conveyor is a buried scraper conveyor. 9. The high-temperature smoke and dust conveying system according to claim 1, characterized in that, the first conveyor is provided with a first frequency converter, and the second conveyor is provided with a second frequency converter.

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