CN214600974U - Scrap steel crushing and processing system - Google Patents
Scrap steel crushing and processing system Download PDFInfo
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- CN214600974U CN214600974U CN202023170073.5U CN202023170073U CN214600974U CN 214600974 U CN214600974 U CN 214600974U CN 202023170073 U CN202023170073 U CN 202023170073U CN 214600974 U CN214600974 U CN 214600974U
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Abstract
The utility model relates to a broken system of processing of steel scrap, include the steel scrap breaker and be used for adding pending steel scrap extremely steel snatchs the unit in the steel scrap breaker, the discharge gate of steel scrap breaker links up the air current sorter, the air feed pipe of air current sorter be connected with high temperature flue gas source or in the heater has been arranged on the air feed pipe. The utility model can improve the temperature of the sorting medium of the air flow sorting machine by connecting the air supply pipe of the air flow sorting machine with a high-temperature flue gas source or arranging a heater on the air supply pipe, and can heat and dry the scrap steel in the air flow sorting process, thereby avoiding the influence of the moist scrap steel on the subsequent use effect, such as influence on the production rhythm due to the prolonged preheating time of the scrap steel or smelting accidents due to the moisture brought in by the scrap steel; the air current sorter possesses the function that steel scrap was selected separately and the steel scrap is dried simultaneously, can shorten the steel scrap and deal with the flow, reduces the steel scrap and handles required equipment, consequently can reduce investment cost and running cost.
Description
Technical Field
The utility model belongs to the technical field of metallurgical production facility, concretely relates to broken system of processing of steel scrap.
Background
Iron and steel enterprises need to use a large amount of scrap steel; at present, the processing method of the scrap steel mainly comprises flame cutting, drop hammer, large-scale shearing and packaging equipment and the like, and the processing method needs a large amount of workers to operate monomer equipment and transport materials, so that the efficiency is extremely low, the environmental pollution is large, and the production automation cannot be realized. Some enterprises also adopt a scrap steel processing flow of a scrap steel crusher and multi-stage magnetic separation, so that the scrap steel processing efficiency can be greatly improved; however, the steel scrap to be treated is generally stockpiled in an open-air storage yard, and part of the steel scrap is wet due to factors such as rain, so that the subsequent use effect of the steel scrap is affected, for example, the preheating time of the steel scrap is prolonged to affect the production rhythm, or smelting accidents are caused by the water brought by the steel scrap.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a broken system of processing of steel scrap can solve prior art's partial defect at least.
The utility model relates to a broken system of processing of steel scrap, include the steel scrap breaker and be used for adding pending steel scrap extremely steel snatchs the unit in the steel scrap breaker, the discharge gate of steel scrap breaker links up the air current sorter, the air feed pipe of air current sorter be connected with high temperature flue gas source or in the heater has been arranged on the air feed pipe.
In one embodiment, the scrap crusher is provided with a water spray mechanism, and the spray direction of the water spray mechanism faces the crushing work area of the scrap crusher.
In one embodiment, the high-temperature flue gas source comprises a sintering flue gas pipeline, the sintering flue gas pipeline is provided with a flue gas branch pipe connected to the air supply pipe, and the flue gas branch pipe is provided with a control valve.
As one embodiment, the scrap crusher is connected to the air separator through a first conveyor, and a bin for dioxin inhibitor is disposed above the first conveyor.
In one embodiment, a second conveyor is arranged at the scrap steel outlet of the air flow separator, a first magnetic separator is arranged at the outlet side of the second conveyor, and a first finished product collecting box is arranged on the first magnetic separator.
In one embodiment, a third conveyor is arranged at a tailing outlet of the first magnetic separator, a second magnetic separator is arranged at an outlet side of the third conveyor, and a second finished product collecting box is arranged on the second magnetic separator.
In one embodiment, a fourth conveyor is provided at the waste outlet of the air flow separator, and a waste bin is provided at the outlet side of the fourth conveyor.
As an embodiment, the scrap gripping unit comprises a steel gripper.
The utility model discloses following beneficial effect has at least:
in the utility model, the air supply pipe of the air flow separator is connected with the high-temperature flue gas source or the heater is arranged on the air supply pipe, so that the separation medium temperature of the air flow separator can be improved, the scrap steel can be heated and dried in the air flow separation process, and the influence of wet scrap steel on the subsequent use effect, such as influence on the production rhythm due to the prolonged preheating time of the scrap steel or smelting accidents due to the moisture brought in by the scrap steel, can be avoided; the air current sorter possesses the function that steel scrap was selected separately and the steel scrap is dried simultaneously, can shorten the steel scrap and deal with the flow, reduces the steel scrap and handles required equipment, consequently can reduce investment cost and running cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is the utility model discloses scrap steel crushing processing system's that embodiment provided structure schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the utility model provides a broken system of processing of steel scrap, include steel scrap breaker 3 and be used for adding pending steel scrap extremely steel snatchs unit 1 in the steel scrap breaker 3, the discharge gate of steel scrap breaker 3 links up has air current sorter 5, the air feed pipe of air current sorter 5 is connected with high temperature flue gas source or in the heater has been arranged on the air feed pipe.
In one embodiment, the scrap steel grabbing unit 1 adopts a steel grabbing machine; of course, it is also feasible to use electromagnetic cranes and other devices, which are conventional in the art, and the specific structure is not described herein. A scrap inlet of the scrap crusher 3 is provided with conveying equipment such as a plate chain machine 2, scrap is grabbed onto the plate chain machine 2 through scrap grabbing equipment such as a steel grabbing machine, and then the scrap is conveyed into the scrap crusher 3 through the plate chain machine 2.
The scrap crusher 3 is a conventional apparatus in the art, and its specific structure will not be described in detail here.
The scrap crusher 3 may be coupled to the air classifier 5 by conventional material conveyors, such as belt conveyors and the like.
The air flow separator 5 is a conventional device, and its specific structure and operation principle will not be described in detail here. For the scheme that the air supply pipe of the air current separator 5 is connected with a high-temperature flue gas source, the high-temperature flue gas source can be used as the only separation medium or one of the mixed separation media, for example, the air supply pipe of the air current separator 5 is connected with a blower, a high-temperature flue gas pipe 51 is connected to the air supply pipe in a bypass manner, and high-temperature flue gas can be mixed into the supplied air; for the scheme that the air supply pipe of the air flow separator 5 is provided with the heater, the air supply pipe is connected with the blower, and air is used as a separation medium.
It can be seen that the temperature of the sorting medium of the air flow sorter 5 can be raised whether a high temperature flue gas source is connected or a heater is provided. In the embodiment, based on the design, the scrap steel can be heated and dried in the air flow sorting process, so that the influence of wet scrap steel on the subsequent use effect, such as influence on the production rhythm due to prolonged preheating time of the scrap steel or smelting accidents due to moisture brought by the scrap steel, can be avoided; the air current separator 5 has the functions of waste steel separation and waste steel drying, can shorten the waste steel treatment process, and reduces equipment required by waste steel treatment, so that the investment cost and the operation cost can be reduced.
The steel scrap crushing and processing system is further optimized, a water spraying mechanism is arranged in the steel scrap crusher 3, and the spraying direction of the water spraying mechanism faces the crushing working area of the steel scrap crusher 3. By arranging the water spraying mechanism, dust generated in the process of crushing the scrap steel can be obviously reduced, dust pollution is reduced, and the working environment is improved; and the wet scrap steel formed by spraying water can be dried in the subsequent air flow separator 5, so that the design is reasonable, and the system has good operation environmental protection.
In one embodiment, the airflow separator 5 uses high-temperature flue gas as a separation medium, and the high-temperature flue gas can be nearby flue gas owned by a steel enterprise, such as sintering flue gas, hot blast furnace flue gas and the like, so that byproducts in the production of the steel enterprise are digested, the waste heat of the flue gas is fully utilized, and the economy is good. Optionally, as shown in fig. 1, the high-temperature flue gas source includes a sintering flue gas pipeline, the sintering flue gas pipeline has a flue gas branch pipe 51 connected to the air supply pipe, and a control valve is arranged on the flue gas branch pipe 51; the tail gas discharged by the airflow separator 5 can be sent to a sintering flue gas treatment system for treatment, so that a tail gas treatment facility of the airflow separator 5 is omitted, and the equipment cost and the operation cost are further saved.
When high-temperature flue gas is used as a separation medium, when the temperature of the flue gas is higher, harmful impurities such as chloride contained in the scrap steel can be removed to a certain extent, and the subsequent utilization of the scrap steel is facilitated. In one embodiment, the scrap crusher 3 is connected to the air separator 5 through a first conveyor 41, a dioxin inhibitor bin is arranged above the first conveyor 41, and the dioxin inhibitor bin can store dioxin inhibitors such as lime and the like, and a certain amount of dioxin inhibitors are mixed into the crushed scrap in the process of conveying the crushed scrap to the air separator 5, so that the dioxin generated in the waste steel drying process can be effectively reduced or even eliminated.
Further optimizing the scrap crushing and processing system, as shown in fig. 1, a second conveyor 42 is arranged at the scrap outlet of the air current separator 5, a first magnetic separator 61 is arranged at the outlet side of the second conveyor 42, and the first magnetic separator 61 is provided with a first finished product collecting box 71; the scrap separated by the air separator 5 is magnetically separated by the first magnetic separator 61, and impurities contained in the scrap can be further removed. The steel scrap magnetically separated by the first magnetic separator 61 enters the first finished product collecting box 71, and the separated tailings are preferably subjected to second magnetic separation to further recover the steel scrap therein, specifically: referring to fig. 1, a third conveyor 44 is provided at the tailing outlet of the first magnetic separator 61, a second magnetic separator 62 is provided at the outlet side of the third conveyor 44, the second magnetic separator 62 is provided with a second finished product collecting box 72, the steel scrap separated by the second magnetic separator 62 enters the second finished product collecting box 72, and the separated tailing can be recovered as waste.
Further optimizing the scrap crushing processing system, as shown in fig. 1, the scrap outlet of the air current separator 5 is provided with a fourth conveyor 43, and the outlet side of the fourth conveyor 43 is provided with a scrap box 73.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a broken system of processing of steel scrap, includes the steel scrap breaker and is used for adding pending steel scrap to the unit is snatched to steel scrap in the steel scrap breaker, its characterized in that: the discharge port of the scrap steel crusher is connected with an air flow separator, and an air supply pipe of the air flow separator is connected with a high-temperature flue gas source or a heater is arranged on the air supply pipe.
2. The scrap steel crushing processing system according to claim 1, wherein: a water spraying mechanism is arranged in the scrap steel crusher, and the spraying direction of the water spraying mechanism faces to the crushing working area of the scrap steel crusher.
3. The scrap steel crushing processing system according to claim 1, wherein: the high-temperature flue gas source comprises a sintering flue gas pipeline, the sintering flue gas pipeline is provided with a flue gas branch pipe connected to the air supply pipe, and a control valve is arranged on the flue gas branch pipe.
4. The scrap steel crushing processing system according to claim 1, wherein: the scrap steel crusher is connected with the airflow sorting machine through a first conveyor, and a dioxin inhibitor bin is arranged above the first conveyor.
5. The scrap steel crushing processing system according to claim 1, wherein: and a second conveyor is arranged at a scrap steel outlet of the air flow separator, a first magnetic separator is arranged at an outlet side of the second conveyor, and the first magnetic separator is provided with a first finished product collecting box.
6. The scrap crushing processing system according to claim 5, wherein: and a third conveyor is arranged at a tailing outlet of the first magnetic separator, a second magnetic separator is arranged on an outlet side of the third conveyor, and a second finished product collecting box is arranged on the second magnetic separator.
7. The scrap steel crushing processing system according to claim 1, wherein: and a fourth conveyor is arranged at a waste material outlet of the airflow separator, and a waste material box is arranged on an outlet side of the fourth conveyor.
8. The scrap steel crushing processing system according to claim 1, wherein: the scrap steel grabbing unit comprises a steel grabbing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170073.5U CN214600974U (en) | 2020-12-24 | 2020-12-24 | Scrap steel crushing and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170073.5U CN214600974U (en) | 2020-12-24 | 2020-12-24 | Scrap steel crushing and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214600974U true CN214600974U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023170073.5U Active CN214600974U (en) | 2020-12-24 | 2020-12-24 | Scrap steel crushing and processing system |
Country Status (1)
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|---|---|
| CN (1) | CN214600974U (en) |
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2020
- 2020-12-24 CN CN202023170073.5U patent/CN214600974U/en active Active
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