CN216159608U - Roller kiln combustion system convenient to adjust temperature - Google Patents
Roller kiln combustion system convenient to adjust temperature Download PDFInfo
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- CN216159608U CN216159608U CN202122224315.2U CN202122224315U CN216159608U CN 216159608 U CN216159608 U CN 216159608U CN 202122224315 U CN202122224315 U CN 202122224315U CN 216159608 U CN216159608 U CN 216159608U
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Abstract
The utility model discloses a roller kiln combustion system convenient for temperature adjustment, which relates to the technical field of kiln thermal engineering and comprises a roller way and a plurality of nozzles arranged above, below and at two sides of the roller way; two pairs of nozzles are respectively arranged below each section of 18-23 roller rods on the roller way, two pairs of nozzles are respectively arranged above and below each section of 24-45 roller rods on the roller way, and a plurality of nozzles and observation holes are respectively arranged on two side surfaces of each section of 18-45 roller rods on the roller way in a staggered manner. According to the utility model, the nozzles are arranged on the roller way in sections, and the small-flow high-speed nozzles are selected, so that the temperature in the kiln is uniform, the convection heat exchange in the kiln is enhanced, and the temperature in the kiln is convenient to regulate and control; still set up a plurality of observation holes on two sides, observe the hole and set up to crisscross overall arrangement for the nozzle offside is the observation hole promptly, is convenient for the better combustion condition of observing flame, so that the intensity of nozzle in the control side kiln, the regulation and control of the interior temperature of kiln of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of kiln thermal technology, and particularly relates to a roller kiln combustion system convenient for temperature adjustment.
Background
Roller kilns, also known as roller hearth kilns, are mainly used in the production of ceramic building materials, which are long-fired kilns, tunnel kilns using twisted rollers as green body carriers, ceramic products are transferred from the head of the kiln to the tail of the kiln by placing the ceramic products on refractory rollers and then rotating the rollers, also known as ceramic roller kilns.
The working principle of the roller kiln is that a ceramic green body is placed on a backing plate, then a hot plate is placed on a roller, and the green body is made to gradually rotate continuously due to the fact that the roller continuously rotates. And each roller is provided with a small chain wheel for grouping and smooth rotation. The roller at the lower temperature is made of heat-resistant nickel-chromium alloy steel, and the roller at the higher temperature is made of high-temperature-resistant ceramic. The roller is above the combustion chamber and it is heated by some fuel, for example: kerosene, diesel oil and the like are naturally isolated by refractory materials between the combustion chamber and the roller way, so that the flame can not directly burn the product.
However, the existing roller kiln is only provided with nozzles on the side surface of the kiln wall, and a layout system with a small number of nozzles and a large unit combustion amount is adopted, so that the processing difficulty can be reduced, but the temperature in the roller kiln is not easy to adjust; and the existing roller kiln can not observe the internal flame spraying condition, which is not beneficial to adjusting the spraying amount of each nozzle.
Therefore, the utility model provides a roller kiln combustion system convenient for temperature adjustment, which aims to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a roller kiln combustion system convenient for temperature adjustment, which is used for solving the following technical problems:
1) the existing roller kiln is only provided with nozzles on the side surface of the kiln wall, and adopts a layout system with a small number of nozzles and a large unit combustion amount, so that the processing difficulty can be reduced, but the temperature in the roller kiln is not easy to adjust;
2) the existing roller kiln can not observe the internal flame spraying condition, and is not beneficial to adjusting the spraying amount of each nozzle.
In order to achieve the purpose, the utility model provides the following technical scheme:
a roller kiln combustion system convenient for temperature adjustment comprises a roller way and a plurality of nozzles arranged above, below and at two sides of the roller way;
two pairs of nozzles are respectively arranged below each section of 18-23 roller rods on the roller way, two pairs of nozzles are respectively arranged above and below each section of 24-45 roller rods on the roller way, and a plurality of nozzles and observation holes are respectively arranged on two side surfaces of each section of 18-45 roller rods on the roller way in a staggered manner.
As a still further scheme of the utility model: the distance between the roller way and the kiln bottom is 550mm, the distance between the roller way and the kiln top is 360mm within the range of 1-17 sections of roller rods, the distance between the roller way and the kiln top is 480mm within the range of 18-47 sections of roller rods, and the distance between the roller way and the kiln top is 360mm within the range behind 48 sections of roller rods.
As a still further scheme of the utility model: the fuel used by the nozzle is liquefied gas, and the nozzle adopts a small-flow high-speed nozzle.
As a still further scheme of the utility model: the nozzles and the observation holes on the side surface of the roller way are arranged in a staggered manner, and two nozzles are arranged between any two observation holes.
As a still further scheme of the utility model: the nozzles on the two side surfaces of the roller way are arranged in a staggered mode, and the observation holes on the two side surfaces of the roller way are also arranged in a staggered mode.
As a still further scheme of the utility model: the gas flow of the nozzle is 0.5-1m3The flame length is 300-.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, two pairs of nozzles are respectively arranged below each section of roller rods of 18-23 sections of the roller way, two pairs of nozzles are respectively arranged above and below each section of roller rods of 24-45 sections of the roller way, the convection heat exchange in the kiln is enhanced by selecting small-flow high-speed nozzles, the temperature in the kiln is uniform, and a plurality of nozzles are also arranged on two sides of the roller way in a staggered manner, so that the arrangement of the small-flow large-quantity nozzles is convenient for the regulation and control of the temperature in the kiln.
2. The utility model also arranges a plurality of observation holes on the two side surfaces, the observation holes are arranged between the nozzles on the side surfaces, and the observation holes on the two side surfaces are also arranged in a staggered arrangement, so that the opposite sides of the nozzles are the observation holes, which is convenient for better observing the combustion condition of flame, thereby being convenient for controlling the strength of the nozzles in the side kiln and regulating and controlling the temperature in the kiln.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a roller kiln combustion system facilitating temperature adjustment;
FIG. 2 is a top view of a nozzle layout;
fig. 3 is a side view of a nozzle arrangement.
In the figure: 1. a roller bed; 2. a nozzle; 3. and (6) observing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a roller kiln combustion system convenient for temperature adjustment includes a roller table 1 and a plurality of nozzles 2 installed above, below and at two sides of the roller table 1; the whole process of the roller way 1 is divided into a preheating zone, a burning zone and a cooling zone, the temperature of 250-850 ℃ is guaranteed in the preheating zone, and the temperature of 850-1180 ℃ is guaranteed in the burning zone, so that the accurate temperature control in the kiln is very important.
The roller way 1 kiln mainly comprises a smoke exhaust system, a combustion system and a cooling system, and the nozzles 2 distributed around the roller way 1 form the combustion system of the roller way 1 kiln; in order to conveniently regulate and control the temperature in the kiln, the small-flow high-speed nozzles 2 are used for replacing the original large-flow nozzles 2, and meanwhile, the number of the nozzles 2 is increased, so that even if a certain nozzle 2 cannot normally work, the temperature in the kiln cannot be greatly influenced, and the products in the kiln cannot be adversely influenced.
Aiming at different temperature requirements of different roller rods at a sintering section of the roller way 1, two pairs of nozzles 2 are respectively arranged below each roller rod of 118-23 sections of the roller way, two pairs of nozzles 2 are respectively arranged above and below each roller rod of 124-45 sections of the roller way, and meanwhile, a plurality of nozzles 2 and observation holes 3 are respectively arranged on two side surfaces of each roller rod of 18-45 sections of the roller way 1 in a staggered mode so as to meet the temperature requirements of different roller rods at the sintering section of the roller way 1.
According to the temperature requirements and product size requirements of different roller rods at the firing section of the roller way 1, the distance between the roller way 1 and the kiln bottom and the kiln top is designed, the distance between the roller way 1 and the kiln bottom is 550mm, the distance between the roller way 1 and the kiln top is 360mm within the range of 1-17 roller rods, the distance between the roller way 1 and the kiln top is 480mm within the range of 18-47 roller rods, and the distance between the roller way 1 and the kiln top is 360mm within the range behind 48 roller rods.
In the selection of the nozzles 2, the liquefied gas is used as the fuel for the nozzles 2, and is completely sprayed into the kiln channel for combustion, and the nozzles 2 are all small-flow high-speed nozzles 2, so that the effects of homogenizing the temperature in the kiln and strengthening the convection heat exchange in the kiln are achieved.
On the design of the side surface of the roller way 1, a design mode that the nozzles 2 and the observation holes 3 are arranged in a staggered mode is adopted, and two nozzles 2 are arranged between any two observation holes 3; meanwhile, the nozzles 2 on the two side surfaces of the roller way 1 are arranged in a staggered manner, and the observation holes 3 on the two side surfaces of the roller way 1 are also arranged in a staggered manner; this has just guaranteed the opposition position department of arbitrary one side nozzle 2, can not appear nozzle 2 influence each other, and two nozzles 2 at interval set up one and observe hole 3, can conveniently observe the flame condition in the kiln to the intensity of nozzle 2 in the control side kiln, the regulation and control of the interior temperature of kiln of being convenient for.
Furthermore, the observation holes 3 are provided with matched sealing devices, so that the sealing devices can be used for sealing when not in use, and heat or polluted gas in the kiln can be prevented from escaping from the roller way 1 along with the observation holes 3.
Further, in order to ensure that the requirement of the nozzle 2 for small flow and high speed is met, the fuel gas flow of the nozzle 2 is selected to be 0.5-1m3/h, the pressure of combustion air is 1500-.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. A roller kiln combustion system convenient for temperature adjustment is characterized by comprising a roller way (1) and a plurality of nozzles (2) arranged above, below and on two sides of the roller way (1);
two pairs of nozzles (2) are respectively arranged below each section of 18-23 roller rods of the roller way (1), two pairs of nozzles (2) are respectively arranged above and below each section of 24-45 roller rods of the roller way (1), and a plurality of nozzles (2) and observation holes (3) are respectively arranged on two side surfaces of each section of 18-45 roller rods of the roller way (1) in a staggered mode.
2. The roller kiln combustion system convenient for temperature adjustment according to claim 1, characterized in that the distance between the roller way (1) and the kiln bottom is 550mm, the distance between the roller way (1) and the kiln top is 360mm within the range of 1-17 sections of roller rods, the distance between the roller way (1) and the kiln top is 480mm within the range of 18-47 sections of roller rods, and the distance between the roller way (1) and the kiln top is 360mm within the range behind 48 sections of roller rods.
3. The roller kiln combustion system convenient for temperature adjustment according to claim 1, characterized in that the fuel used by the nozzle (2) is liquefied gas, and the nozzle (2) adopts a small flow high speed nozzle (2).
4. The roller kiln combustion system convenient for temperature adjustment according to claim 1, characterized in that the nozzles (2) on the side of the roller (1) are staggered with the observation holes (3), and two nozzles (2) are arranged between any two observation holes (3).
5. The roller kiln combustion system convenient for temperature adjustment according to claim 4, characterized in that the nozzles (2) on the two sides of the roller table (1) are arranged in a staggered manner, and the observation holes (3) on the two sides of the roller table (1) are also arranged in a staggered manner.
6. The roller kiln combustion system convenient for temperature adjustment according to claim 3, characterized in that the gas flow rate of the nozzle (2) is 0.5-1m3/h, and the flame length is 300-700 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122224315.2U CN216159608U (en) | 2021-09-13 | 2021-09-13 | Roller kiln combustion system convenient to adjust temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122224315.2U CN216159608U (en) | 2021-09-13 | 2021-09-13 | Roller kiln combustion system convenient to adjust temperature |
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| Publication Number | Publication Date |
|---|---|
| CN216159608U true CN216159608U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122224315.2U Active CN216159608U (en) | 2021-09-13 | 2021-09-13 | Roller kiln combustion system convenient to adjust temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242136A (en) * | 2023-03-03 | 2023-06-09 | 元峻机械设备(浙江)有限公司 | Lithium battery electrode sintering roller kiln |
-
2021
- 2021-09-13 CN CN202122224315.2U patent/CN216159608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242136A (en) * | 2023-03-03 | 2023-06-09 | 元峻机械设备(浙江)有限公司 | Lithium battery electrode sintering roller kiln |
| CN116242136B (en) * | 2023-03-03 | 2023-09-01 | 元峻机械设备(浙江)有限公司 | Lithium battery electrode sintering roller kiln |
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