CN210512690U

CN210512690U - Kiln structure with heat recovery function

Info

Publication number: CN210512690U
Application number: CN201921246006.1U
Authority: CN
Inventors: 周战朝; 闫伟超
Original assignee: Zhengzhou Guangda Refractories Co ltd
Current assignee: Zhengzhou Guangda Refractories Co ltd
Priority date: 2019-08-03
Filing date: 2019-08-03
Publication date: 2020-05-12
Anticipated expiration: 2029-08-03

Abstract

The utility model discloses a kiln structure with heat recovery function, which comprises a base, wherein a kiln is arranged on the base, a preheating chamber, a furnace chamber and a heat preservation chamber are arranged in the kiln, the furnace chamber is positioned between the preheating chamber and the heat preservation chamber, the inner wall of the top of the furnace chamber is provided with a gas bin, the outside of the top of the furnace chamber is provided with a hot gas inlet, the hot gas inlet is communicated with the gas bin, and the top of the heat preservation chamber is provided with a smoke exhaust pipe; the desulfurization box is arranged on the smoke exhaust pipe positioned at the front part of the heat exchanger, so that the smoke dust can be desulfurized, acidic substances in the smoke dust are prevented from corroding the surface of the heat exchanger, the service life of the heat exchanger is prolonged, and the structure is reasonable. The heat recovery effect is good, and the energy is saved and the environment is protected.

Description

Kiln structure with heat recovery function

Technical Field

The utility model relates to a refractory material processing technology field specifically is a kiln structure with heat recovery function.

Background

The refractory material is an inorganic non-metallic material with refractoriness not lower than 1580 ℃. Refractoriness is the degree centigrade at which a sample of the refractory cone resists high temperatures without softening and melting down without loading. However, the definition of refractoriness alone does not fully describe the refractory material, and 1580 ℃ is not absolute. Materials that are now defined as materials whose physicochemical properties allow them to be used in high temperature environments are referred to as refractory materials. The refractory material is widely used in the industrial fields of metallurgy, chemical industry, petroleum, mechanical manufacturing, silicate, power and the like, the usage amount is the largest in the metallurgical industry, the refractory material accounts for 50% -60% of the total output, a kiln is needed in the processing of the refractory material, and the kiln is a furnace used for firing ceramic ware and sculpture or fusing enamel on the surface of metal ware. The brick is generally built by bricks and stones, can be made into various specifications according to requirements, and can be operated by adopting combustible gas, oil or electricity. Electric kilns are easier to control temperature than kilns using combustible gases and oils, but some pottery and sculptors consider the temperature of electric kilns to rise too quickly. The temperature in the hearth of the kiln is measured by a pyrometer or a temperature measuring cone and can be seen through the peephole.

Most of heat is discharged from the smoke outlet along with smoke dust when the existing kiln is used, the heat recycling effect is poor, and the energy consumption is increased, so that the kiln structure with the heat recycling function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a kiln structure with heat recovery function, through installing the heat exchanger on the exhaust pipe of kiln, can transmit the heat in the smoke and dust waste gas to the cold air that the suction pump sucks through the heat exchanger, the hot-air after the heat transfer enters into the furnace chamber through the hot-air input tube, has realized heat recovery; the desulfurization box is arranged on the smoke exhaust pipe positioned at the front part of the heat exchanger, so that the smoke dust can be desulfurized, acidic substances in the smoke dust are prevented from corroding the surface of the heat exchanger, the service life of the heat exchanger is prolonged, and the structure is reasonable. The heat recovery effect is good, and the energy is saved and the environment is protected; the gas bin is arranged at the top of the furnace chamber of the furnace, the bottom of the gas bin is connected with the furnace chamber through a plurality of gas injection holes, and the recovered hot air is uniformly injected into the furnace chamber through the gas injection holes after coming into the gas bin, so that the heating effect is better.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a kiln structure with heat recovery function, the on-line screen storage device comprises a base, install the kiln above the base, the inside preheating chamber that is provided with of kiln, furnace chamber and heat preservation room, the furnace chamber is located between preheating chamber and the heat preservation room, the gas storehouse has been seted up to furnace chamber top inner wall, there is the steam inlet furnace chamber top outside, steam inlet and gas storehouse intercommunication, the pipe of discharging fume is installed at the heat preservation roof portion, install the desulfurization case on the pipe of discharging fume, the mounting groove has been seted up on the pipe of discharging fume the one end surface of keeping away from the desulfurization case, the inside demountable installation of mounting groove has the heat exchanger, kiln top surface mounting has the suction pump, suction pump one side is provided with the cold air import, the gas outlet of suction pump passes through the cold air input.

In order to ensure the using effect, the preheating chamber, the furnace chamber and the heat preservation chamber are sequentially arranged from left to right.

An inlet is formed in the inner wall of one side of the preheating chamber, and an outlet is formed in the inner wall of one side of the heat preservation chamber.

The bottom surface of the gas bin is communicated with the furnace chamber through a plurality of uniformly distributed gas injection holes.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the heat exchanger is arranged on the smoke exhaust pipe of the kiln, the heat in the smoke dust and waste gas can be transferred to the cold air pumped by the air suction pump through the heat exchanger, and the hot air after heat exchange enters the furnace chamber through the hot air input pipe, so that the heat recovery is realized; the smoke exhaust pipe positioned at the front part of the heat exchanger is provided with the desulfurization box, so that the smoke dust can be desulfurized, acidic substances in the smoke dust are prevented from corroding the surface of the heat exchanger, the service life of the heat exchanger is prolonged, the structure is reasonable, the heat recovery effect is good, and the smoke exhaust pipe is energy-saving and environment-friendly.

2. The utility model discloses a set up the gas storehouse at the furnace chamber top of kiln, the gas storehouse bottom is connected with the furnace chamber through a plurality of gas injection holes, and the hot-air of retrieving is after coming the gas storehouse, evenly pours into the furnace chamber into by the gas injection hole again in, and heating effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a base; 2. a kiln; 3. a preheating chamber; 4. a furnace chamber; 5. a heat preservation chamber; 6. an inlet; 7. an outlet; 8. a smoke exhaust pipe; 9. a desulfurization box; 10. an air suction pump; 11. a cold air inlet; 12. a cold air input pipe; 13. mounting grooves; 14. a heat exchanger; 15. a hot gas inlet; 16. a hot air input pipe; 17. a gas bin; 18. and (4) a gas injection hole.

Detailed Description

Referring to fig. 1, the present invention provides a technical solution: a kiln structure with a heat recovery function comprises a base 1, a kiln 2 is arranged on the base 1, a preheating chamber 3 is arranged in the kiln 2, furnace chamber 4 and heat preservation 5, furnace chamber 4 is located between preheating chamber 3 and the heat preservation 5, gas storehouse 17 has been seted up to 4 top inner walls in furnace chamber, there is hot gas inlet 15 furnace chamber 4 top outside, hot gas inlet 15 and gas storehouse 17 intercommunication, 5 top installations of heat preservation have a tub 8 of discharging fume, install desulfurization case 9 on the tub 8 of discharging fume, the one end surface that tub 8 of discharging fume kept away from desulfurization case 9 has seted up mounting groove 13, the inside demountable installation of mounting groove 13 has

heat exchanger

14, 2 top surface mounting of kiln has suction pump 10, suction pump 10 one side is provided with cold air inlet 11, the gas outlet of suction pump 10 is passed through cold air input tube 12 and is connected with the air inlet of heat exchanger 14, hot air input tube 16 is passed through to the gas outlet of heat exchanger 14 and is connected.

In order to ensure the using effect, the preheating chamber 3, the furnace chamber 4 and the heat preservation chamber 5 are arranged from left to right in sequence.

An inlet 6 is arranged on the inner wall of one side of the preheating chamber 3, an outlet 7 is arranged on the inner wall of one side of the heat preservation chamber 5, and the product enters the kiln 2 through the inlet 6 and leaves the kiln 2 through the outlet 7.

The bottom surface of the gas bin 17 is communicated with the furnace chamber 4 through a plurality of uniformly distributed gas injection holes 18, and the recovered hot air is uniformly injected into the furnace chamber 4 through the gas injection holes 18 after coming into the gas bin 17, so that the heating effect is better.

The working principle is as follows: a kiln structure with heat recovery function, install the heat exchanger 14 on the exhaust pipe 8 of the kiln 2, can transmit the heat in the smoke and dust exhaust gas to the air pump 10 through the cold air that the cold air inlet 11 sucks in through the heat exchanger 14, the hot air after the heat exchange enters the air chamber 17 through hot air input tube 16 and hot gas inlet 15, and then inject into furnace chamber 4 evenly by the gas injection hole 18 of the bottom of air chamber 17, it is effectual to heat, has realized the heat recovery; the desulfurization box 9 is arranged on the smoke exhaust pipe 8 positioned at the front part of the heat exchanger 14, so that the smoke dust can be desulfurized, acidic substances in the smoke dust are prevented from corroding the surface of the heat exchanger 14, the service life of the heat exchanger 14 is prolonged, the structure is reasonable, the heat recovery effect is good, and the smoke exhaust device is energy-saving and environment-friendly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a kiln structure with heat recovery function, includes base (1), its characterized in that: the kiln is installed on the base (1), the preheating chamber (3), the furnace chamber (4) and the heat preservation chamber (5) are arranged inside the kiln (2), the furnace chamber (4) is located between the preheating chamber (3) and the heat preservation chamber (5), the gas bin (17) is arranged on the inner wall of the top of the furnace chamber (4), the hot gas inlet (15) is arranged outside the top of the furnace chamber (4), the hot gas inlet (15) is communicated with the gas bin (17), the smoke exhaust pipe (8) is installed on the top of the heat preservation chamber (5), the desulfurization box (9) is installed on the smoke exhaust pipe (8), the surface of one end, far away from the desulfurization box (9), of the smoke exhaust pipe (8) is provided with an installation groove (13), the heat exchanger (14) is detachably installed inside the installation groove (13), the air suction pump (10) is installed on the surface of the top of the kiln (2), the cold air inlet (11) is arranged on one side of the air suction pump (10), the, the air outlet of the heat exchanger (14) is connected with the hot air inlet (15) through a hot air input pipe (16).

2. The kiln structure with heat recovery function according to claim 1, wherein: the preheating chamber (3), the furnace chamber (4) and the heat preservation chamber (5) are sequentially arranged from left to right.

3. The kiln structure with heat recovery function according to claim 1, wherein: an inlet (6) is arranged on the inner wall of one side of the preheating chamber (3), and an outlet (7) is arranged on the inner wall of one side of the heat preservation chamber (5).

4. The kiln structure with heat recovery function according to claim 1, wherein: the bottom surface of the gas bin (17) is communicated with the furnace chamber (4) through a plurality of uniformly distributed gas injection holes (18).