CN213977457U - Energy-saving environment-friendly gypsum powder calcining rotary kiln - Google Patents
Energy-saving environment-friendly gypsum powder calcining rotary kiln Download PDFInfo
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- CN213977457U CN213977457U CN202022944104.1U CN202022944104U CN213977457U CN 213977457 U CN213977457 U CN 213977457U CN 202022944104 U CN202022944104 U CN 202022944104U CN 213977457 U CN213977457 U CN 213977457U
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Abstract
The utility model provides an energy-concerving and environment-protective type gesso calcines rotary kiln, including the kiln body, kiln body upper portion cover is equipped with the dustcoat, vacuole formation between the kiln body and the external, the internal cask shape converter that is the level setting that is equipped with of kiln, stretch out from the kiln body at the both ends of converter, be equipped with the inlet port on the lower part lateral wall of the kiln body, the lower part of kiln body lateral wall is equipped with the air vent, the kiln body is linked together through air vent and cavity, one side of keeping away from the air vent on the dustcoat is equipped with the exhaust hole. The outer cover is sleeved outside the kiln body and forms a cavity, so that high-temperature flue gas generated in the kiln body enters the cavity, the continuous outside of the kiln body is continuously heated, the heat of the high-temperature flue gas is fully utilized, energy is saved, a fan is arranged on one side of the kiln body to ventilate the kiln body, fuel in the kiln body is fully combusted, and the utilization rate of the fuel is further improved; set up gas filtering device and filter the flue gas, prevent that it from polluting the surrounding environment.
Description
Technical Field
The utility model belongs to the technical field of gypsum production, a rotary kiln is calcined to energy-concerving and environment-protective type gesso is related to.
Background
The modern industry of China is gradually developing towards energy conservation, emission reduction and low carbon. In the process of producing and processing gypsum, an important step is to calcine the gypsum by using a rotary furnace, but the rotary furnace can discharge a large amount of reddish brown flue gas during the use process, the temperature of the flue gas is very high, a lot of heat is generated, if the flue gas is not utilized, a lot of heat energy sources are wasted, and meanwhile, the surrounding environment is polluted. Therefore, if the flue gas discharged by the rotary furnace is purified and recycled, great economic value and social value are generated, the harm can be changed into the benefit, and the waste can be changed into the valuable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provide an energy-saving and environment-friendly gypsum powder calcining rotary kiln.
Therefore, the utility model adopts the following technical scheme:
the utility model provides an energy-concerving and environment-protective type gypsum powder calcines rotary kiln, includes the airtight and inside kiln body that is hollow structure, the upper portion cover of the kiln body is equipped with the dustcoat with kiln body shape looks adaptation, vacuole formation between the kiln body and the external, the internal cask shape converter that is the level setting that is equipped with of kiln, the converter is at the internal rotation of kiln, the both ends of converter are stretched out from the kiln body, the outer end of converter is equipped with and is used for driving converter pivoted drive arrangement, be equipped with the inlet port on the lower part lateral wall of the kiln body, inlet port department is connected with the intake pipe, and the lower part of kiln body lateral wall is equipped with the air vent, the kiln body is linked together through air vent and cavity, one side of keeping away from the air vent on the dustcoat is equipped with the exhaust hole, be connected with the blast pipe on the exhaust hole, the outer end of blast pipe is equipped with gas filtering device.
Further, gas filtering device includes the rose box, detachable is equipped with the multilayer filter screen in the rose box, one side that the blast pipe was kept away from to the rose box is equipped with the gas vent.
Furthermore, the driving device comprises a first gear arranged along the circumferential direction of the converter, a second gear meshed with the first gear is arranged on one side of the first gear, and the second gear is connected with a motor used for driving the second gear to rotate.
Furthermore, the lower part of the side wall of the kiln body is provided with a plurality of feed inlets used for adding fuel into the kiln body, and the feed inlets are provided with movable doors.
Further, the outer end of the air inlet pipe is provided with a fan.
The beneficial effects of the utility model reside in that: the outer cover is sleeved outside the kiln body to form a cavity, so that high-temperature flue gas generated in the kiln body enters the cavity, the continuous outside of the kiln body is continuously heated, the heat of the high-temperature flue gas is fully utilized, energy is saved, a fan is arranged on one side of the kiln body to ventilate the kiln body, so that fuel in the kiln body is fully combusted, and the utilization rate of the fuel is further improved; a gas filtering device is arranged to filter the flue gas, so that the flue gas is prevented from polluting the surrounding environment; simple structure and low manufacturing cost.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
in the figure, 1-kiln body, 2-outer cover, 3-cavity, 4-converter, 5-driving device, 501-first gear, 502-second gear, 503-motor, 6-air inlet, 7-air inlet pipe, 8-fan, 9-air vent, 10-air vent, 11-air outlet pipe, 12-gas filtering device, 121-filtering box, 122-filtering screen, 123-air outlet, 13-charging opening, 14-movable door.
Detailed Description
As shown in fig. 1, an energy-saving and environment-friendly gypsum powder calcining rotary kiln comprises a kiln body 1 which is closed and has a hollow structure inside, specifically, the kiln body 1 is of a cuboid structure and is built by refractory bricks, an outer cover 2 which is matched with the kiln body 1 in shape is sleeved on the upper portion of the kiln body 1, a cavity 3 is formed between the kiln body 1 and the outer cover 2, a horizontally arranged drum-shaped converter 4 is arranged in the kiln body 1 along the length direction of the kiln body, the converter 4 adopts the existing common converter in the prior art, gypsum is placed in the converter 4 for calcining when in use, the converter 4 can rotate in the kiln body 1, two ends of the converter 4 extend out of the kiln body 1 along the length direction, a driving device 5 for driving the converter 4 to rotate is arranged at the outer end of the converter 4, specifically, the driving device 5 comprises a first gear 501 arranged along the circumferential direction of the converter 4, a second gear 502 which is meshed with the first gear 501 is arranged at one side of the first gear 501, the second gear 502 is connected with a motor 503 for driving the second gear 502 to rotate.
An air inlet 6 is arranged on the side wall of the lower part of the kiln body 1, an air inlet pipe 7 is connected at the position of the air inlet 6, a fan 8 is arranged at the outer end of the air inlet pipe 7, the air inlet 6 is arranged for introducing air into the kiln body 1 so as to facilitate the sufficient combustion of fuel in the kiln body 1, the utilization rate of the fuel is improved, a vent hole 9 is arranged at the lower part of the side wall of the kiln body 1, the kiln body 1 is communicated with the cavity 3 through the vent hole 9, flue gas generated by the combustion of the fuel in the kiln body 1 can enter the cavity 3 through the vent hole 9, an exhaust hole 10 is arranged at one side of the outer cover 2 far away from the vent hole 9, an exhaust pipe 11 is connected on the exhaust hole 10, a gas filtering device 12 is arranged at the outer end of the exhaust pipe 11, concretely, the gas filtering device 12 comprises a filtering box 121, a plurality of layers of filtering screens 122 are detachably arranged in the filtering box 121, an exhaust port 123 is arranged at one side of the filtering box 121 far away from the exhaust pipe 11, the flue gas in the cavity 3 can be filtered and then exhausted to the outside, preventing contamination of the surrounding annulus.
The lower part of the side wall of the kiln body 1 is provided with a feed inlet 13 for adding fuel into the kiln body 1, and the feed inlet 13 is provided with a movable door 14.
The utility model discloses during the use, at first add fuel to the kiln body 1 through charge door 13, light fuel and close dodge gate 14, then open fan 8, through intake pipe 7 and inlet port 6 to the interior air inlet of kiln body 1, make the fuel in the kiln body 1 fully burn, improve the utilization ratio of fuel, also can reduce the production of harmful gas carbon monoxide simultaneously, start drive arrangement 5's motor 503 simultaneously, motor 503 drives second gear 502 and rotates, then second gear 502 through along the circumference cover establish with the first gear 501 on converter 4, drive converter 4 and rotate, make the gypsum in converter 4 heat evenly; the high-temperature flue gas in the kiln body 1 can enter the cavity 3 through the vent holes 9 along with the continuous blowing of the fan 8 into the kiln body 1 and then is filled in the whole cavity 3, so that the high-temperature flue gas can continuously heat and heat the kiln body 1 at the outer wall of the kiln body 1, compared with the traditional mode of directly discharging the flue gas, the heat of the high-temperature flue gas generated by fuel combustion is fully utilized, the utilization rate of fuel is further improved, the exhaust holes 10 are arranged on one side of the outer cover 2 far away from the vent holes 9, so that the high-temperature flue gas can be discharged after completely filling the cavity 3, and the part of the kiln body 1 wrapped by the outer cover 2 can be completely heated without dead corners;
after the high-temperature flue gas in the cavity 3 is completely filled, the high-temperature flue gas can enter the filter box 121 of the gas filtering device 12 from the exhaust hole 10 through the exhaust pipe 11, then is filtered by the multi-layer filter screen 122 in the filter box 121, and finally is discharged to the outside through the exhaust port 123, so that the energy conservation and environmental protection are effectively realized.
Claims (5)
1. The utility model provides an energy-concerving and environment-protective type gypsum powder calcination rotary kiln, its characterized in that, including airtight and the inside kiln body that is hollow structure, the upper portion cover of the kiln body is equipped with the dustcoat with kiln body shape looks adaptation, vacuole formation between the kiln body and the external, the internal cask shape converter that is the level setting that is equipped with of kiln, the converter is at the internal rotation of kiln, the both ends of converter are stretched out from the kiln body, the outer end of converter is equipped with and is used for driving converter pivoted drive arrangement, be equipped with the inlet port on the lower part lateral wall of the kiln body, inlet port department is connected with the intake pipe, and the lower part of kiln body lateral wall is equipped with the air vent, the kiln body is linked together through air vent and cavity, one side of keeping away from the air vent on the dustcoat is equipped with the exhaust hole, be connected with the blast pipe in the exhaust hole, the outer end of blast pipe is equipped with gas filtering device.
2. The energy-saving and environment-friendly gypsum powder calcining rotary kiln as claimed in claim 1, wherein the gas filtering device comprises a filtering box, a plurality of layers of filtering nets are detachably arranged in the filtering box, and an exhaust port is arranged on one side of the filtering box away from the exhaust pipe.
3. The energy-saving and environment-friendly gypsum powder calcining rotary kiln as claimed in claim 1, wherein the driving device comprises a first gear arranged along the circumferential direction of the converter, a second gear meshed with the first gear is arranged on one side of the first gear, and the second gear is connected with a motor for driving the second gear to rotate.
4. The energy-saving environment-friendly gypsum powder calcining rotary kiln as claimed in claim 1, wherein a plurality of charging openings for adding fuel into the kiln body are arranged at the lower part of the side wall of the kiln body, and a movable door is arranged on each charging opening.
5. The energy-saving environment-friendly gypsum powder calcining rotary kiln as claimed in claim 1, wherein a fan is arranged at the outer end of the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022944104.1U CN213977457U (en) | 2020-12-10 | 2020-12-10 | Energy-saving environment-friendly gypsum powder calcining rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022944104.1U CN213977457U (en) | 2020-12-10 | 2020-12-10 | Energy-saving environment-friendly gypsum powder calcining rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213977457U true CN213977457U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022944104.1U Active CN213977457U (en) | 2020-12-10 | 2020-12-10 | Energy-saving environment-friendly gypsum powder calcining rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213977457U (en) |
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2020
- 2020-12-10 CN CN202022944104.1U patent/CN213977457U/en active Active
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