CN214582574U

CN214582574U - Energy-saving and environment-friendly roasting kiln

Info

Publication number: CN214582574U
Application number: CN202120909772.2U
Authority: CN
Inventors: 赵昱力
Original assignee: Shandong Jiayu Nano Material Co ltd
Current assignee: Shandong Jiayu Nano Material Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-02
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to an energy-concerving and environment-protective roasting kiln, including the roasting kiln body, the positive fixedly connected with exhaust pipe of roasting kiln body, exhaust pipe's right side is equipped with heat exchange device, heat exchange device's right side is equipped with sprays filter equipment, heat exchange device includes the box of fixed mounting on exhaust pipe right side, the inboard fixedly connected with heat exchange coil of box, the top fixedly connected with inlet valve of box, the top fixedly connected with water pump of box, the bottom fixedly connected with drain tap of box. This energy-concerving and environment-protective roasting kiln improves heat exchange coil's shape through heat exchange device, has increased the area of contact with the water to increase heat transfer area, promote the heat transfer effect, and heat exchange device can the enough water emission of automatic control intensification and change, through spraying filter equipment and spraying earlier and subside great granule, the dehumidification is filtered again, the atmosphere of discharging at last, the filter effect is good.

Description

Energy-saving and environment-friendly roasting kiln

Technical Field

The utility model relates to a roasting kiln technical field.

Background

Roasting is mostly prepared for main smelting operations such as smelting or leaching in the next step, so that a charging preparation process is often adopted in a smelting process, but the roasting can also be used as an enrichment, impurity removal, metal powder preparation or refining process.

The roasting kiln can produce a large amount of high temperature flue gas, and traditional way is for directly getting rid of the atmosphere after filtering, and this kind of way can be very big waste the waste heat of high temperature flue gas, but traditional water-cooling heat transfer, it can not promote the heat transfer effect in limited region because the shape of coil pipe, and when filtering, the flue gas granule is many, and direct filtration leads to the fact the jam to the filter screen easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide an energy-concerving and environment-protective roasting kiln, solved the waste of traditional roasting kiln waste heat and the not good problem of heat transfer effect.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an energy-concerving and environment-protective roasting kiln, includes the roasting kiln body, the positive fixedly connected with exhaust pipe of roasting kiln body, exhaust pipe's right side is equipped with heat exchange device, heat exchange device's right side is equipped with sprays filter equipment, heat exchange device includes the box of fixed mounting on exhaust pipe right side, the inboard fixedly connected with heat transfer coil of box, the top fixedly connected with inlet valve of box, the top fixedly connected with water pump of box, the bottom fixedly connected with drainage valve of box, the bottom fixedly connected with temperature detect switch of box.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, spray filter equipment and include the spray tank of fixed mounting on heat exchange coil pipe right side, the interior roof fixedly connected with shower nozzle of spray tank, the right side fixedly connected with filter mantle of spray tank, the inboard fixedly connected with dehumidification filter of filter mantle, the outside fixedly connected with smoke exhaust fan of filter mantle, the inboard fixedly connected with filter screen of spray tank.

Further, heat exchange coil includes circular body, four extension bodys of the outside fixedly connected with of circular body, four through-holes have been seted up in the outside of circular body.

Further, the circular pipe body is communicated with the four extension pipe bodies through the four through holes, and the extension pipe bodies are square.

Further, the inboard fixedly connected with temperature-sensing ware of box, and temperature-sensing ware and temperature detect switch electricity are connected.

Furthermore, the water pump is communicated with the water inlet valve through a water pipe, and the smoke exhaust pipeline is communicated with the heat exchange coil.

Furthermore, the shape of the filter cover is spherical, the shape of the dehumidifying filter plate is arc-surface-shaped, and the filter cover is communicated with the spraying box.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. this energy-concerving and environment-protective roasting kiln improves heat exchange coil's shape through heat exchange device, has increased the area of contact with the water to increase heat transfer area, promote the heat transfer effect, and heat exchange device can the enough water emission of automatic control intensification and change.

2. This energy-concerving and environment-protective roasting kiln sprays earlier through spraying filter equipment and subsides great granule, and dehumidification filtration is again, and the atmosphere is discharged at last, and the filter effect is good.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is a cross sectional view of the heat exchange coil with an integral structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100 roasting kiln bodies, 200 smoke exhaust pipelines, 300 heat exchange devices, 400 spray filtering devices, 310 box bodies, 320 heat exchange coil pipes, 330 water inlet valves, 340 water pumps, 350 water discharge valves, 360 temperature control switches, 410 spray boxes, 420 spray heads, 430 filter covers, 440 dehumidification filter plates, 450 smoke exhaust fans, 460 filter screens, 321 circular pipe bodies, 322 extension pipe bodies and 323 through holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1-2, the energy-saving and environment-friendly roasting kiln of the present embodiment includes a roasting kiln body 100, a smoke exhaust pipe 200 is fixedly connected to the front surface of the roasting kiln body 100, a heat exchange device 300 is disposed on the right side of the smoke exhaust pipe 200, and a spray filter device 400 is disposed on the right side of the heat exchange device 300.

In order to meet the requirements of energy-saving and environment-friendly waste heat utilization and good heat exchange effect, referring to fig. 1-2, the heat exchange device 300 in this embodiment includes a box 310 fixedly installed on the right side of a smoke exhaust pipe 200, the inner side of the box 310 is fixedly connected with a heat exchange coil 320, the smoke exhaust pipe 200 is communicated with the heat exchange coil 320, the heat exchange coil 320 includes a circular pipe 321, the outer side of the circular pipe 321 is fixedly connected with four extension pipes 322, the outer side of the circular pipe 321 is provided with four through holes 323, the circular pipe 321 is communicated with the four extension pipes 322 through the four through holes 323, the extension pipes 322 are square, the top of the box 310 is fixedly connected with a water inlet valve 330, the top of the box 310 is fixedly connected with a water pump 340, the water pump 340 is communicated with the water inlet valve 330 through a water pipe, the bottom of the box 310 is fixedly connected with a water discharge valve 350, and the bottom of the box 310 is fixedly connected with a temperature control switch 360, the inboard fixedly connected with temperature-sensing ware of box 310, and temperature-sensing ware is connected with temperature detect switch 360 electricity, it includes the spray tank 410 of fixed mounting on heat exchange coil 320 right side to spray filter equipment 400, the interior roof fixedly connected with shower nozzle 420 of spray tank 410, the right side fixedly connected with filter mantle 430 of spray tank 410, the inboard fixedly connected with dehumidification filter 440 of filter mantle 430, the shape of filter mantle 430 is globular, the shape of dehumidification filter 440 is the arc face form, and filter mantle 430 is linked together with spray tank 410, the filter 440 of arc face form is bigger than the filter area of plane filter in the same space, the outside fixedly connected with smoke exhaust fan 450 of filter mantle 430, the inboard fixedly connected with filter screen 460 of spray tank 410.

The working principle of the above embodiment is as follows:

(1) through the inside cooling water that accumulates of box 310, high temperature flue gas when heat exchange coil 320, with the cooling water heat transfer, add the hot water body, when the temperature reaches the settlement temperature, the temperature-sensing ware response to control water discharge valve 350 through temperature detect switch 360 and open, then control water pump 340 draws water, and inlet valve 330 opens, inside water injection, the automatic water of changing.

(2) The spray nozzle 420 is used for spraying and settling particles in the flue gas, the particles are filtered by the filter screen 460, the flue gas is dehumidified and filtered by the dehumidifying filter plate 440, and finally the particles are exhausted out of the atmosphere through the smoke exhaust fan 450.

Compared with the prior art: through heat exchange device 300 with heat exchange coil 320's shape improvement, increased the area of contact with the water, thereby increase heat transfer area, promote the heat transfer effect, and heat exchange device 300 can the enough water emission of automatic control intensification and change, spray earlier through spraying filter equipment 400 and subside great granule, the dehumidification is filtered again, the atmosphere of discharging at last, the filter effect is good, the extravagant problem with the heat transfer effect of traditional roasting kiln waste heat has been solved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The energy-saving and environment-friendly roasting kiln is characterized by comprising a roasting kiln body (100), wherein a smoke exhaust pipeline (200) is fixedly connected to the front side of the roasting kiln body (100), a heat exchange device (300) is arranged on the right side of the smoke exhaust pipeline (200), and a spray filtering device (400) is arranged on the right side of the heat exchange device (300);

the heat exchange device (300) comprises a box body (310) fixedly mounted on the right side of the smoke exhaust pipeline (200), an inner side fixedly connected with heat exchange coil (320) of the box body (310), a top fixedly connected with water inlet valve (330) of the box body (310), a top fixedly connected with water pump (340) of the box body (310), a bottom fixedly connected with water drainage valve (350) of the box body (310), and a bottom fixedly connected with temperature control switch (360) of the box body (310).

2. The energy-saving and environment-friendly roasting kiln according to claim 1, wherein the spraying and filtering device (400) comprises a spraying box (410) fixedly installed on the right side of the heat exchange coil (320), a spray head (420) is fixedly connected to the inner top wall of the spraying box (410), a filter cover (430) is fixedly connected to the right side of the spraying box (410), a dehumidifying filter plate (440) is fixedly connected to the inner side of the filter cover (430), a smoke exhaust fan (450) is fixedly connected to the outer side of the filter cover (430), and a filter screen (460) is fixedly connected to the inner side of the spraying box (410).

3. The energy-saving and environment-friendly roasting kiln as claimed in claim 1, wherein the heat exchange coil (320) comprises a circular tube body (321), four extending tube bodies (322) are fixedly connected to the outer side of the circular tube body (321), and four through holes (323) are formed in the outer side of the circular tube body (321).

4. An energy-saving and environment-friendly roasting kiln according to claim 3, characterized in that the circular pipe body (321) is communicated with the four extension pipe bodies (322) through four through holes (323), and the extension pipe bodies (322) are square in shape.

5. The energy-saving and environment-friendly roasting kiln as claimed in claim 1, wherein a temperature sensor is fixedly connected to the inner side of the box body (310), and the temperature sensor is electrically connected with the temperature control switch (360).

6. An energy-saving and environment-friendly roasting kiln according to claim 1, characterized in that the water pump (340) is communicated with the water inlet valve (330) through a water pipe, and the smoke exhaust pipe (200) is communicated with the heat exchange coil (320).

7. An energy-saving and environment-friendly roasting kiln according to claim 2, wherein the shape of the filter hood (430) is spherical, the shape of the dehumidifying filter plate (440) is arc-shaped, and the filter hood (430) is communicated with the spray box (410).