Intelligent mixing equipment for reducing sintering powder returning rate

Abstract

The utility model relates to the technical field of accessory devices of mixing devices, in particular to intelligent mixing equipment for reducing the sintering powder return rate, namely a mixing device capable of automatically weighing and feeding raw materials, so that errors and waste are reduced, the cost is reduced, and the production efficiency is improved. The intelligent material mixing equipment for reducing the sintering powder returning rate is provided. Comprising a mixing device body and a control console, a supporting plate is arranged on the outer wall of the mixing device body, four sets of supporting legs are arranged at the bottom end of the supporting plate, a discharging pipe is arranged at the bottom end of the mixing device body, a feeding pipe is arranged at the top end of the mixing device body, an automatic valve assembly is arranged on the feeding pipe, and weighing assemblies are arranged at the left end and the right end of the feeding pipe. The top end of the supporting plate is provided with a feeding assembly and connected with the console.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices of a mixing device, in particular to an intelligent mixing device for reducing a sintering powder return rate. Background Art

[0002] With the development of smelting material technology, blast furnaces have increasingly stringent requirements on the quality of sintered ore, and the cost requirements on the strength and particle size composition of sintered ore are also getting higher and higher. At the same time, the current market situation is unstable, which is not conducive to reducing the sintering cost and processing fee. Therefore, the return rate can be effectively reduced to reduce the increase in sintering energy consumption and processing costs;

[0003] In the process of proportioning the combustion raw materials, the ground raw materials need to be mixed so that the proportioned raw materials can be fully burned. However, the existing mixing device requires manual feeding, and manual feeding for a long time may cause errors, which will reduce the quality of the mixed fuel, thereby poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a mixing device that can automatically weigh and feed raw materials, thereby reducing errors and waste, thereby reducing costs, and thus enhancing the practicality of an intelligent mixing device for reducing the sintering powder return rate.

[0005] The utility model discloses an intelligent mixing device for reducing the sintering powder return rate, comprising a mixing device body and a control console, a support plate is arranged on the outer wall of the mixing device body, four groups of legs are arranged at the bottom end of the support plate, a discharge pipe is arranged at the bottom end of the mixing device body, a feed pipe is arranged at the top end of the mixing device body, an automatic valve assembly is arranged on the feed pipe, weighing assemblies are arranged at the left and right ends of the feed pipe, a feeding assembly is arranged at the top end of the support plate, and the top end of the support plate is connected to the control console.

[0006] Preferably, the weighing assembly includes two groups of weighing boxes, two groups of weighing sensors and two groups of weighing plates. The top of the mixing device body is connected to the two groups of weighing boxes, the left and right ends of the feed pipe are respectively provided with feed ports, the inner ends of the two groups of weighing boxes are respectively provided with discharge ports, the two groups of feed ports are respectively connected with the discharge ports, the tops of the two groups of weighing boxes are provided with cover plate assemblies, the interiors of the two groups of weighing boxes are provided with chambers, the bottom ends of the two groups of chambers are respectively connected to the weighing sensors, the tops of the two groups of weighing sensors are connected to the weighing plates, the left and right ends of the two groups of weighing plates are respectively provided with guide assemblies, and the outer ends of the two groups of weighing boxes are respectively provided with pushing assemblies.

[0007] Preferably, the guide assembly includes eight groups of first clamping slides, the bottom ends of the two groups of chambers are respectively connected to the four groups of first clamping slides, the left and right ends of the two groups of weighing plates are respectively provided with two groups of first clamping grooves, and the eight groups of first clamping slides are respectively slidably clamped with the first clamping grooves.

[0008] Preferably, the pusher assembly includes two groups of first electric cylinders and two groups of scrapers. The outer ends of the two weighing boxes are respectively connected to the first electric cylinders. The inner ends of the two groups of first electric cylinders are respectively provided with first pneumatic rods. The two pneumatic rods are respectively inserted into the chamber in a sliding and sealed manner. The two pneumatic rods are respectively connected to the scrapers. The two scrapers are respectively slidably sleeved on the top, front, and rear ends of the chamber.

[0009] Preferably, the cover plate assembly includes two groups of first cover plates and two groups of clamping blocks. The bottom ends of the two groups of first cover plates are connected to the clamping blocks. Maintenance openings are respectively provided at the top ends of the two weighing boxes. The two maintenance openings are respectively clamped by the clamping blocks. The bottom parts of the two groups of first cover plates are respectively sleeved and clamped with the weighing boxes.

[0010] Preferably, the automatic sealing assembly includes a first fixing plate, four groups of support columns, a second fixing plate, two groups of second electric cylinders, two groups of valves, and four groups of second clamping sliders. The top end of the feed pipe is connected to the first fixing plate. The top end of the first fixing plate is connected to the four groups of support columns. The top ends of the four groups of support columns are connected to the second fixing plate. The top end of the second fixing plate is connected to the two groups of second electric cylinders. The bottom ends of the two groups of second electric cylinders are respectively provided with two groups of second pneumatic rods. The four groups of second pneumatic rods respectively slide through the second fixing plate. The two groups of second pneumatic rods are respectively connected to the valves. Two sliding through holes are provided at the top end of the first fixing plate. The two groups of valves respectively pass through the sliding through holes. Second clamping chutes are respectively provided at the front and rear ends of the two feed ports. The front and rear ends of the two groups of valves are respectively connected to the second clamping sliders. The four groups of second clamping chutes are respectively slidably clamped with the second clamping sliders.

[0011] Preferably, the feeding assembly includes four groups of storage boxes, four groups of second cover plates, four groups of powder conveying pumps, four groups of first pipes, and four groups of second pipes. The top end of the support plate is connected to the four groups of storage boxes. The bottom parts of the four groups of second cover plates are respectively slidably sleeved with the storage boxes. First through holes are respectively provided at the top ends of the four groups of second cover plates. The four groups of first through holes are respectively sleeved and connected to the first pipes. The top end of the mixing device main body is connected to the four groups of powder conveying pumps. The input ends of the four groups of powder conveying pumps are respectively communicated with the first pipes. The output ends of the four groups of powder conveying pumps are respectively communicated with the second pipes. Second through holes are respectively provided at the front and rear ends of the two weighing boxes. The four groups of second pipes are respectively sleeved and connected to the second through holes.

[0012] Preferably, suction hoppers are respectively provided at the bottom ends of the four groups of first pipes. The four suction hoppers are respectively slidably sleeved on the inner walls of the storage boxes.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: First, by setting up the automatic valve assembly and the weighing assembly, automatic weighing and feeding of raw materials are realized, reducing manual intervention, avoiding errors caused by inaccurate manual operation, and improving the accuracy and consistency of raw material mixing. Then, through the precise weighing system, it is ensured that the raw materials are precisely mixed according to the predetermined ratio, improving the quality of the mixed fuel, which helps to improve the strength and particle size composition of the sinter, further meeting the requirements of the blast furnace for the quality of the sinter. In this way, by precisely controlling the raw material ratio, the return ore rate can be effectively reduced, the sintering energy consumption and processing cost can be lowered, so as to maintain a cost advantage in the case of unstable market conditions. After that, the automated operation reduces material waste, helps to reduce energy consumption, reflects the effective utilization of resources and a responsible attitude towards the environment, and conforms to the concept of sustainable development. Finally, the automated operation reduces material waste, helps to reduce energy consumption, reflects the effective utilization of resources and a responsible attitude towards the environment, and conforms to the concept of sustainable development. In this way, errors and waste are reduced, thereby reducing costs, and thus enhancing the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic connection structure diagram of the present utility model;

[0015] Figure 2 is a schematic connection structure diagram of the support plate and the storage box of the present utility model;

[0016] Figure 3 is a schematic connection structure diagram of the support column and the second fixing plate of the present utility model;

[0017] Figure 4 is a schematic enlarged partial structure diagram A of the present utility model;

[0018] Reference numerals in the drawings: 1, main body of the mixing device; 2, support plate; 3, leg; 4, discharge pipe; 5, feed pipe; 6, control console; 7, weighing box; 8, chamber; 9, weighing sensor; 10, weighing plate; 11, first clamping slider; 12, first electric cylinder; 13, first pneumatic rod; 14, scraper; 15, first cover plate; 16, clamping block; 17, first fixing plate; 18, support column; 19, second fixing plate; 20, second electric cylinder; 21, second pneumatic rod; 22, valve; 23, second clamping slider; 24, storage box; 25, second cover plate; 26, first pipe; 27, powder conveying pump; 28, second pipe; 29, suction hopper. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will further describe in detail the specific embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0020] As shown Figures 1 to 4 in the figure, an intelligent mixing device for reducing the return powder rate of sintering of the present utility model includes a mixing device main body 1 and a control console 6. A support plate 2 is arranged on the outer wall of the mixing device main body 1. Four groups of legs 3 are arranged at the bottom end of the support plate 2. A discharge pipe 4 is arranged at the bottom end of the mixing device main body 1. A feed pipe 5 is arranged at the top end of the mixing device main body 1. An automatic valve 22 assembly is arranged on the feed pipe 5. Weighing assemblies are arranged at the left end and the right end of the feed pipe 5. A feeding component is arranged at the top end of the support plate 2. The top end of the support plate 2 is connected to the control console 6. First, by setting the automatic valve assembly and the weighing assembly, automatic weighing and feeding of raw materials are realized, manual intervention is reduced, errors caused by inaccurate manual operation are avoided, the accuracy and consistency of raw material mixing are improved. Then, through an accurate weighing system, it is ensured that the raw materials are accurately mixed according to a predetermined ratio, the quality of the fuel after mixing is improved, which helps to improve the strength and particle size composition of the sinter, and further meets the requirements of the blast furnace for the quality of the sinter. In this way, by precisely controlling the raw material ratio, the return ore rate can be effectively reduced, the sintering energy consumption and processing cost can be reduced, so as to maintain a cost advantage in the case of unstable market conditions. After that, the automated operation reduces material waste, helps to reduce energy consumption, reflects the effective utilization of resources and a responsible attitude towards the environment, and conforms to the concept of sustainable development. Finally, the automated operation reduces material waste, helps to reduce energy consumption, reflects the effective utilization of resources and a responsible attitude towards the environment, and conforms to the concept of sustainable development. In this way, errors and waste are reduced, thus reducing costs, and therefore the practicability is enhanced.

[0021] As a preference of the above embodiment, the weighing assembly includes two groups of weighing boxes 7, two groups of weighing sensors 9 and two groups of weighing plates 10. The top end of the mixing device main body 1 is connected to the two groups of weighing boxes 7. Feed inlets are respectively arranged at the left end and the right end of the feed pipe 5. Discharge outlets are respectively arranged at the inner ends of the two groups of weighing boxes 7. The two feed inlets are respectively communicated with the discharge outlets. Cover plates assemblies are arranged at the top ends of the two groups of weighing boxes 7. Chambers 8 are arranged inside the two groups of weighing boxes 7. The bottom ends of the two chambers 8 are respectively connected to the weighing sensors 9. The top ends of the two groups of weighing sensors 9 are connected to the weighing plates 10. Guide assemblies are respectively arranged at the left end and the right end of the two groups of weighing plates 10. Pushing assemblies are respectively arranged at the outer ends of the two groups of weighing boxes 7. Raw materials can be injected into the weighing boxes through the feeding component, then the raw materials are weighed by the two groups of weighing sensors. After that, the automatic valve assembly is opened, and then the pushing assemblies push the weighed raw materials into the feed inlets, so as to realize automatic feeding, thus enhancing the practicability.

[0022] Preferably, as in the above embodiment, the guiding assembly includes eight sets of first clamping sliders 11. The bottom ends of the two chambers 8 are respectively connected to four sets of first clamping sliders 11. Two sets of first clamping chutes are respectively arranged at the left and right ends of the two weighing plates 10. The eight sets of first clamping sliders 11 are respectively slidably clamped with the first clamping chutes. The eight sets of first clamping chutes and the eight sets of first clamping sliders on the two weighing plates conduct guiding sliding of the weighing plates, thereby enhancing practicability.

[0023] Preferably, as in the above embodiment, the feeding assembly includes two sets of first electric cylinders 12 and two sets of scraping plates 14. The outer ends of the two weighing boxes 7 are respectively connected to the first electric cylinders 12. The inner ends of the two sets of first electric cylinders 12 are respectively provided with first pneumatic rods 13. The two pneumatic rods are respectively slidably and sealingly inserted into the chambers 8. The two pneumatic rods are respectively connected to the scraping plates 14. The two scraping plates 14 are respectively slidably sleeved with the top, front and rear ends of the chambers 8. The two first electric cylinders can be used to push the two first pneumatic rods to drive the scraping plates to move, so that the raw materials enter the feeding port through the discharge port, thereby enhancing practicability.

[0024] Preferably, as in the above embodiment, the cover plate assembly includes two sets of first cover plates 15 and two sets of clamping blocks 16. The bottom ends of the two sets of first cover plates 15 are connected to the clamping blocks 16. Maintenance openings are respectively arranged at the top ends of the two weighing boxes 7. The two maintenance openings are respectively clamped by the clamping blocks 16. The bottom parts of the two sets of first cover plates 15 are respectively sleeved and clamped with the weighing boxes 7. The two first cover plates can be used to open and close the two chambers, so as to facilitate later maintenance and repair, thereby enhancing practicability.

[0025] Preferably, as an embodiment above, the automatic sealing assembly includes a first fixing plate 17, four sets of support columns 18, a second fixing plate 19, two sets of second electric cylinders 20, two sets of valves 22, and four sets of second clamping sliders 23. The top end of the feed pipe 5 is connected to the first fixing plate 17. The top end of the first fixing plate 17 is connected to four sets of support columns 18. The top ends of the four sets of support columns 18 are connected to the second fixing plate 19. The top end of the second fixing plate 19 is connected to two sets of second electric cylinders 20. Two sets of second pneumatic rods 21 are respectively arranged at the bottom ends of the two sets of second electric cylinders 20. The four sets of second pneumatic rods 21 respectively slide through the second fixing plate 19. The two sets of second pneumatic rods 21 are respectively connected to the valves 22. Two sets of sliding through holes are arranged at the top end of the first fixing plate 17. The two sets of valves 22 respectively pass through the sliding through holes. Second clamping chutes are respectively arranged at the front and rear ends of the two sets of feed ports. The front and rear ends of the two sets of valves 22 are respectively connected to the second clamping sliders 23. The four sets of second clamping chutes are respectively slidably clamped with the second clamping sliders 23. The two sets of valves can be driven to lift by the two sets of second electric cylinders and the two sets of second pneumatic rods, so that the two sets of valves can open and close the two sets of feed ports. Moreover, the four sets of second clamping sliders and the four sets of second clamping chutes guide the valves and improve the sealing performance, thereby enhancing the practicability.

[0026] Preferably, as an embodiment above, the feeding assembly includes four sets of storage boxes 24, four sets of second covers 25, four sets of powder conveying pumps 27, four sets of first pipes 26, and four sets of second pipes 28. The top end of the support plate 2 is connected to the four sets of storage boxes 24. The bottom parts of the four sets of second covers 25 are respectively slidably sleeved on the storage boxes 24. First through holes are respectively arranged at the top ends of the four sets of second covers 25. The four sets of first through holes are respectively sleeved and connected to the first pipes 26. The top end of the main body 1 of the mixing device is connected to the four sets of powder conveying pumps 27. The input ends of the four sets of powder conveying pumps 27 are respectively communicated with the first pipes 26. The output ends of the four sets of powder conveying pumps 27 are respectively communicated with the second pipes 28. Second through holes are respectively arranged at the front and rear ends of the two sets of weighing boxes 7. The four sets of second pipes 28 are respectively sleeved and connected to the second through holes. The raw material powder can be stored in the four sets of storage boxes, and then when the raw materials need to be mixed, the raw material powder is injected into the weighing boxes through the powder conveying pumps for weighing, so as to control the mixing ratio, thereby enhancing the practicability.

[0027] Preferably, as an embodiment above, suction hoppers 29 are respectively arranged at the bottom ends of the four sets of first pipes 26. The four sets of suction hoppers 29 are respectively slidably sleeved on the inner walls of the storage boxes 24. The bottom feed ports of the first pipes can be enhanced through the four sets of suction hoppers, thereby enhancing the practicability.

[0028] An intelligent mixing device for reducing the sintering return powder rate of the present utility model has the following working principle. When it works, first place the mixing device in a suitable position through four sets of legs, then remove the four sets of second covers, then load the raw materials into the storage box, then cover the second covers, then control it through the console, then add the material ratio to the console, then the corresponding powder conveying pump injects the raw materials in the storage box into the weighing box, and then weighs the raw materials through the weighing sensor. When the specified weight is reached, the powder conveying pump stops operating. Then, two sets of second electric cylinders drive two sets of valves to move upward to open the feeding port, and then two sets of first electric cylinders drive two sets of first pneumatic rods and scrapers to move to the right to push the raw materials into the device for mixing. After that, the mixed materials are discharged through the discharge pipe.

[0029] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] In the present utility model, the "first", "second", "third" do not represent specific quantities and sequences, but are only used for name distinction.

[0031] The above is only the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An intelligent mixing device for reducing the sinter return powder rate, characterized in that, It includes a main body (1) of a mixing device and a control console (6). A support plate (2) is provided on the outer wall of the main body (1) of the mixing device. Four groups of legs (3) are provided at the bottom end of the support plate (2). A discharge pipe (4) is provided at the bottom end of the main body (1) of the mixing device. A feed pipe (5) is provided at the top end of the main body (1) of the mixing device. An automatic valve (22) assembly is provided on the feed pipe (5). Weighing assemblies are provided at the left and right ends of the feed pipe (5). A feeding assembly is provided at the top end of the support plate (2). The top end of the support plate (2) is connected to the control console (6).

2. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 1, characterized in that, The weighing assemblies include two groups of weighing boxes (7), two groups of weighing sensors (9) and two groups of weighing plates (10). The top end of the main body (1) of the mixing device is connected to the two groups of weighing boxes (7). Feed inlets are respectively provided at the left and right ends of the feed pipe (5). Discharge outlets are respectively provided at the inner ends of the two groups of weighing boxes (7). The two feed inlets are respectively communicated with the discharge outlets. Cover assemblies are provided at the top ends of the two groups of weighing boxes (7). Chambers (8) are provided inside the two groups of weighing boxes (7). The bottom ends of the two chambers (8) are respectively connected to the weighing sensors (9). The top ends of the two groups of weighing sensors (9) are connected to the weighing plates (10). Guide assemblies are respectively provided at the left and right ends of the two groups of weighing plates (10). Pushing assemblies are respectively provided at the outer ends of the two groups of weighing boxes (7).

3. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 2, characterized in that, The guide assemblies include eight groups of first clamping sliders (11). The bottom ends of the two chambers (8) are respectively connected to four groups of first clamping sliders (11). Two groups of first clamping chutes are respectively provided at the left and right ends of the two groups of weighing plates (10). The eight groups of first clamping sliders (11) are respectively slidably clamped with the first clamping chutes.

4. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 3, characterized in that, The pushing assemblies include two groups of first electric cylinders (12) and two groups of scraping plates (14). The outer ends of the two groups of weighing boxes (7) are respectively connected to the first electric cylinders (12). First pneumatic rods (13) are respectively provided at the inner ends of the two groups of first electric cylinders (12). The two pneumatic rods are respectively slidably and sealingly inserted into the chambers (8). The two pneumatic rods are respectively connected to the scraping plates (14). The two scraping plates (14) are respectively slidably sleeved with the top, front and rear ends of the chambers (8).

5. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 4, wherein, The cover assemblies include two groups of first covers (15) and two groups of clamping blocks (16). The bottom ends of the two groups of first covers (15) are connected to the clamping blocks (16). Maintenance openings are respectively provided at the top ends of the two groups of weighing boxes (7). The two maintenance openings are respectively clamped by the clamping blocks (16). The bottom parts of the two groups of first covers (15) are respectively sleeved and clamped with the weighing boxes (7).

6. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 5, characterized in that, The automatic sealing assembly includes a first fixing plate (17), four groups of support columns (18), a second fixing plate (19), two groups of second electric cylinders (20), two groups of valves (22), and four groups of second clamping sliders (23). The top end of the feed pipe (5) is connected to the first fixing plate (17), the top end of the first fixing plate (17) is connected to the four groups of support columns (18), the top ends of the four groups of support columns (18) are connected to the second fixing plate (19), the top end of the second fixing plate (19) is connected to the two groups of second electric cylinders (20), the bottom ends of the two groups of second electric cylinders (20) are respectively provided with two groups of second pneumatic rods (21), the four groups of second pneumatic rods (21) respectively slide through the second fixing plate (19), the two groups of second pneumatic rods (21) are connected to the valves (22), two sliding through holes are provided at the top end of the first fixing plate (17), the two groups of valves (22) respectively pass through the sliding through holes, second clamping chutes are respectively arranged at the front and rear ends of the two feed ports, the front and rear ends of the two groups of valves (22) are respectively connected to the second clamping sliders (23), and the four groups of second clamping chutes are respectively slidably clamped with the second clamping sliders (23).

7. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 6, characterized in that, The feeding assembly includes four groups of storage boxes (24), four groups of second covers (25), four groups of powder conveying pumps (27), four groups of first pipes (26), and four groups of second pipes (28). The top end of the support plate (2) is connected to the four groups of storage boxes (24), the bottom parts of the four groups of second covers (25) are respectively slidably sleeved on the storage boxes (24), first through holes are provided at the top ends of the four groups of second covers (25), the four groups of first through holes are respectively sleeved and connected to the first pipes (26), the top end of the mixing device main body (1) is connected to the four groups of powder conveying pumps (27), the input ends of the four groups of powder conveying pumps (27) are respectively communicated with the first pipes (26), the output ends of the four groups of powder conveying pumps (27) are respectively communicated with the second pipes (28), second through holes are respectively arranged at the front and rear ends of the two weighing boxes (7), and the four groups of second pipes (28) are respectively sleeved and connected to the second through holes.

8. The intelligent mixing equipment for reducing the sinter return powder rate according to claim 7, characterized in that, The bottom ends of the four groups of first pipes (26) are respectively provided with suction hoppers (29), and the four groups of suction hoppers (29) are respectively slidably sleeved on the inner walls of the storage boxes (24).

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