CN219223420U

CN219223420U - Waste heat utilization device of hot blast stove for mineral powder vertical mill

Info

Publication number: CN219223420U
Application number: CN202320161557.8U
Authority: CN
Inventors: 姜荣刚; 张德进; 迟政海; 姜代刚; 姜显锋; 栾敬先; 王作信; 栾英; 许晓艳
Original assignee: Penglai Shenpeng Building Materials Co ltd
Current assignee: Penglai Shenpeng Building Materials Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-20
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of waste heat utilization of waste gas of a hot blast stove, and discloses a waste heat utilization device of waste gas of the hot blast stove for a mineral powder vertical mill, which solves the problems that waste gas and heat exchange tubes are insufficient in the process of recovering waste heat of the waste gas of the hot blast stove for the mineral powder vertical mill, waste heat in the waste gas is inconvenient to recycle and waste resources are caused, and higher working benefit is inconvenient to achieve; according to the utility model, in the process of recovering the waste heat of the waste gas of the hot blast stove for the mineral powder vertical mill, the waste heat in the waste gas is ensured to be convenient for better recovery and utilization, and the waste of resources is reduced, so that higher working benefit is convenient to achieve.

Description

Waste heat utilization device of hot blast stove for mineral powder vertical mill

Technical Field

The utility model belongs to the technical field of waste heat utilization of hot blast furnace waste gas, and particularly relates to a waste heat utilization device of hot blast furnace waste gas for a mineral powder vertical mill.

Background

The hot blast stove is a heat power machine, which is an updated product of an electric heat source and a traditional steam power heat source in a plurality of industries, the hot blast stove is divided into two types of manual burning and mechanical burning in a coal adding mode, the fuel type is divided into coal, oil, a gas stove and the like, the hot blast stove is used in the process of vertical grinding of mineral powder, according to the application number 202120984835.0, the waste heat recovery system for the mineral powder grinding hot blast stove comprises a water tank, a water pump and a heat exchange unit which are sequentially connected, the water tank is provided with a water supplementing port, the heat exchange unit is inserted and fixed in a refractory brick fire blocking wall, one end of the heat exchange unit is overhanging the inner side of the refractory brick fire blocking wall, the other end of the heat exchange unit is positioned in a gap between the refractory brick fire blocking wall and the furnace wall, the end of the heat exchange unit is provided with a water inlet pipe and a water outlet pipe, the position of the furnace wall corresponding to the heat exchange unit is provided with a mounting seam extending up and down, the water inlet pipe and the water outlet pipe of the heat exchange unit are inserted and arranged in the mounting seam from inside to outside, and the pouring material is filled in the mounting seam, so that the refractory material is fixedly connected with the water inlet pipe and the water inlet pipe through the refractory brick fire blocking wall and the water inlet pipe;

in the patent, in the process of recovering waste heat of waste gas of a hot blast stove for a mineral powder vertical mill, the waste gas is insufficient in contact with a heat exchange tube, so that the waste heat in the waste gas is inconvenient to recycle, and the resource is wasted, so that higher working benefit is inconvenient to achieve.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the waste heat utilization device for the hot blast stove waste gas for the mineral powder vertical mill, which effectively solves the problems that waste heat in waste gas is inconvenient to recycle and waste resources are wasted and higher working benefit is inconvenient to achieve due to insufficient contact between waste gas and a heat exchange tube in the process of recycling the waste heat of the hot blast stove waste gas for the mineral powder vertical mill.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hot-blast furnace waste heat utilization device for mineral powder vertical mill, comprises a box body, one side top fixed mounting of box has the inlet connection valve, opposite side top fixed mounting of box has the outlet connection valve, waste heat recovery utilizes the mechanism is installed at the top of box, and waste heat recovery utilizes the bottom of mechanism to the inside of box, waste heat recovery utilizes the mechanism includes the coiled pipe, and the coiled pipe is located the inside of box, the both ends of coiled pipe all run through in the box and respectively with inlet connection valve and outlet connection valve fixed connection, the outside symmetry fixed cover of coiled pipe is equipped with the locating frame, and two equal fixed mounting of locating frame are in the inside bottom of box, the middle part outside fixed cover of coiled pipe is equipped with the holding ring, the top fixed mounting of holding ring has the connecting rod, and the top of connecting rod and the inside top middle part fixed connection of box, the top of two locating frames all rotates and installs the axostylus axostyle, the outside symmetry fixed mounting of axostylus axostyle has three sets of stirring strip, the top fixed mounting of box has the driving case, and the top of axostylus axostyle extends to the inside of driving case.

Preferably, the inside fixed mounting of driving case has driving motor, and fixed mounting has first conical gear on driving motor's the output shaft, and the outside meshing of first conical gear is connected with second conical gear, and the inside fixed dwang that runs through of second conical gear is installed, and the dwang rotates and install in driving case's inside, and the outside fixed cover of dwang is equipped with two third conical gears, and the outside meshing of third conical gear is connected with fourth conical gear, and two fourth conical gears respectively with the top fixed connection of two axostylus axostyles.

Preferably, the driving motor is powered by an external power supply, a control switch is fixedly arranged on the outer side of the driving box, and the control switch is electrically connected with the driving motor.

Preferably, the water inlet valve is fixedly arranged at the top end of the outer side of the box body, the water outlet valve is fixedly arranged at the bottom end of the outer side of the box body, and the strip-shaped transparent glass plate is fixedly embedded and arranged at the outer side of the box body.

Preferably, a supporting base is fixedly arranged at the bottom of the box body, and fixing bolts are arranged at the two ends of the supporting base in a threaded penetrating manner.

Compared with the prior art, the utility model has the beneficial effects that:

1) In operation, through the interaction of the arranged box body, the air inlet connecting valve, the air outlet connecting valve and the waste heat recycling mechanism, the waste heat in the waste gas can be ensured to be better recycled in the process of recycling the waste heat of the waste gas of the hot blast stove for the mineral powder vertical mill, and the waste of resources is reduced, so that higher working benefit is convenient to achieve;

2) In operation, through the interaction of the supporting base and the fixing bolts, the device can be fixedly installed in the using process, and the stability of the device in the working process is ensured while the operation of staff is facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram of a waste heat utilization device of hot blast stove for mineral powder vertical mill;

FIG. 2 is a schematic diagram of the waste heat recycling mechanism of the present utility model;

fig. 3 is a schematic view of the internal structure of the driving box of the present utility model.

In the figure: 1. a case; 2. an intake connecting valve; 3. an air outlet connecting valve; 4. a waste heat recycling mechanism; 5. a serpentine tube; 6. a positioning frame; 7. a positioning ring; 8. a positioning frame; 9. a shaft lever; 10. stirring strips; 11. a drive box; 12. a driving motor; 13. a first bevel gear; 14. a second bevel gear; 15. a rotating lever; 16. a third bevel gear; 17. a fourth bevel gear; 18. a control switch; 19. a water inlet valve; 20. a drain valve; 21. a strip-shaped transparent glass plate; 22. a support base; 23. and (5) fixing bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1, 2 and 3, the utility model comprises a box body 1, wherein an air inlet connecting valve 2 is fixedly arranged at the top end of one side of the box body 1, an air outlet connecting valve 3 is fixedly arranged at the top end of the other side of the box body 1, a water inlet valve 19 is fixedly arranged at the top end of the outer side of the box body 1, a water outlet valve 20 is fixedly arranged at the bottom end of the outer side of the box body 1, a strip-shaped transparent glass plate 21 is fixedly embedded and arranged at the outer side of the box body 1, a supporting base 22 is fixedly arranged at the bottom of the box body 1, fixing bolts 23 are arranged at the two ends of the supporting base 22 in a threaded penetrating manner, a waste heat recycling mechanism 4 is arranged at the top of the box body 1, and the bottom end of the waste heat recycling mechanism 4 extends to the interior of the box body 1;

the waste heat recycling mechanism 4 comprises a coiled pipe 5, the coiled pipe 5 is positioned in the box body 1, two ends of the coiled pipe 5 penetrate through the box body 1 and are fixedly connected with an air inlet connecting valve 2 and an air outlet connecting valve 3 respectively, a positioning frame 6 is symmetrically and fixedly sleeved on the outer side of the coiled pipe 5, the two positioning frames 6 are fixedly installed at the bottom end of the box body 1, a positioning ring 7 is fixedly sleeved on the outer side of the middle part of the coiled pipe 5, a connecting rod 8 is fixedly installed at the top of the positioning ring 7, the top of the connecting rod 8 is fixedly connected with the middle part of the top end of the inside of the box body 1, a shaft rod 9 is rotatably installed at the top of the two positioning frames 6, three groups of stirring strips 10 are symmetrically and fixedly installed on the outer side of the shaft rod 9, a driving box 11 is fixedly installed at the top of the box body 1, the top of the shaft rod 9 extends to the inside of the driving box 11, the driving motor 12 is fixedly arranged in the driving box 11, the driving motor 12 is powered by an external power supply, the control switch 18 is fixedly arranged on the outer side of the driving box 11, the control switch 18 is electrically connected with the driving motor 12, the first conical gear 13 is fixedly arranged on the output shaft of the driving motor 12, the second conical gear 14 is connected to the outer side of the first conical gear 13 in a meshed manner, the rotating rod 15 is fixedly arranged in the rotating rod 15 in a penetrating manner in an inner portion of the second conical gear 14 in a penetrating manner, the rotating rod 15 is rotatably arranged in the driving box 11, two third conical gears 16 are fixedly sleeved on the outer side of the rotating rod 15, a fourth conical gear 17 is connected to the outer side of the third conical gear 16 in a meshed manner, and the two fourth conical gears 17 are fixedly connected with the tops of the two shafts 9 respectively;

in the use, through the interact of box 1, inlet connection valve 2, go out air connection valve 3 and waste heat recovery utilization mechanism 4 that set up, can be in the in-process of retrieving with hot-blast furnace waste gas waste heat to the vertical mill of powdered ore, ensure that waste heat in the waste gas is convenient for better carry out recycle, reduced the waste of resource, thereby be convenient for reach higher work benefit, and through the interact of support base 22 and fixing bolt 23 that sets up, can carry out fixed mounting to the device in the in-process of use, the stability of device at the during operation has also been ensured to the staff's operation of being convenient for.

Working principle: during operation, firstly, cold water is injected into the box body 1 through the water inlet valve 19, then the air inlet connecting valve 2 is connected with an exhaust gas discharge pipe of the hot blast stove, and the air outlet connecting valve 3 is connected with an external gas output treatment pipeline, then hot blast stove exhaust gas enters the interior of the coiled pipe 5 through the air inlet connecting valve 2, heat contained in the exhaust gas is transferred into cold water in the box body 1 through the coiled pipe 5, the exhaust gas after heat absorption is discharged through the air outlet connecting valve 3, when the exhaust gas enters the coiled pipe 5 for conveying, the driving motor 12 is started through the control switch 18, the driving motor 12 drives the first conical gear 13 to rotate, the first conical gear 13 drives the second conical gear 14 to rotate, the second conical gear 14 drives the rotating rod 15 to rotate, the rotating rod 15 drives the two third conical gears 16 to rotate, the two third conical gears 16 simultaneously drive the two fourth conical gears 17 to rotate, the fourth conical gears 17 drive the shaft lever 9 to rotate, the shaft lever 9 drives the stirring bar 10 to stir water in the box body 1, so that the water in the box body 1 is uniformly heated, waste of the waste heat in the box body 1 can be more conveniently recovered, the waste heat can be more effectively recovered in the process of waste ore mill, and the waste heat can be more conveniently recovered.

Claims

1. The utility model provides a mineral powder is hot-blast furnace waste heat utilization equipment for vertical mill, includes box (1), its characterized in that: an air inlet connecting valve (2) is fixedly arranged at the top end of one side of the box body (1), an air outlet connecting valve (3) is fixedly arranged at the top end of the other side of the box body (1), a waste heat recycling mechanism (4) is arranged at the top of the box body (1), the bottom end of the waste heat recycling mechanism (4) extends to the inside of the box body (1), the waste heat recycling mechanism (4) comprises a coiled pipe (5), the coiled pipe (5) is positioned in the inside of the box body (1), two ends of the coiled pipe (5) penetrate through the box body (1) and are fixedly connected with the air inlet connecting valve (2) and the air outlet connecting valve (3) respectively, positioning frames (6) are symmetrically and fixedly sleeved on the outer sides of the coiled pipe (5), two positioning frames (6) are fixedly arranged at the inner bottom end of the box body (1), a positioning ring (7) is fixedly sleeved on the outer side of the middle of the coiled pipe (5), a connecting rod (8) is fixedly arranged at the top of the positioning ring (7), the top of the connecting rod (8) is fixedly connected with the middle part of the inside top of the box body (1), the top of the box body (1) is fixedly provided with a driving shaft rod (9), the top of the box body (11) is fixedly arranged at the top of the box body (10), and the top of the shaft lever (9) extends to the inside of the drive box (11).

2. The hot blast stove waste heat utilization device for mineral powder vertical mill according to claim 1, wherein: the inside fixed mounting of drive box (11) has driving motor (12), fixed mounting has first conical gear (13) on the output shaft of driving motor (12), the outside meshing of first conical gear (13) is connected with second conical gear (14), the inside fixed dwang (15) that runs through of second conical gear (14) is installed, and dwang (15) rotate install in the inside of drive box (11), the outside fixed cover of dwang (15) is equipped with two third conical gear (16), the outside meshing of third conical gear (16) is connected with fourth conical gear (17), and two fourth conical gear (17) respectively with the top fixed connection of two axostylus axostyles (9).

3. The hot blast stove waste heat utilization device for mineral powder vertical mill according to claim 2, wherein: the driving motor (12) is powered by an external power supply, a control switch (18) is fixedly arranged on the outer side of the driving box (11), and the control switch (18) is electrically connected with the driving motor (12).

4. The hot blast stove waste heat utilization device for mineral powder vertical mill according to claim 1, wherein: the top end of the outer side of the box body (1) is fixedly provided with a water inlet valve (19), the bottom end of the outer side of the box body (1) is fixedly provided with a water outlet valve (20), and the outer side of the box body (1) is fixedly embedded with a strip-shaped transparent glass plate (21).

5. The hot blast stove waste heat utilization device for mineral powder vertical mill according to claim 1, wherein: the bottom of the box body (1) is fixedly provided with a supporting base (22), and both ends of the supporting base (22) are provided with fixing bolts (23) in a threaded penetrating manner.