CN216308628U - Nickel-zinc sintering kiln with air heat exchanger - Google Patents
Nickel-zinc sintering kiln with air heat exchanger Download PDFInfo
- Publication number
- CN216308628U CN216308628U CN202122447167.0U CN202122447167U CN216308628U CN 216308628 U CN216308628 U CN 216308628U CN 202122447167 U CN202122447167 U CN 202122447167U CN 216308628 U CN216308628 U CN 216308628U
- Authority
- CN
- China
- Prior art keywords
- air
- blast main
- cold
- hot
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Furnace Details (AREA)
Abstract
The utility model discloses a nickel-zinc sintering kiln with an air heat exchanger, which comprises: the kiln comprises a kiln body, wherein the kiln body is sequentially provided with a preheating zone, a firing zone and a cooling zone along the length direction of the kiln body; heat exchange device, including air heat exchanger, first air pump and second air pump, air heat exchanger includes hot-blast main and cold-blast main, the cold-blast main is worn to locate in the hot-blast main, the cold-blast main is located pipe section in the hot-blast main adopts round trip snake-shaped structure, the hot-blast main warp burn into the district with the cooling zone is connected the hot-blast main is connected with first air pump, the cold-blast main with the preheating zone is connected, the cold-blast main is connected with the second air pump, first air pump will the steam warp of preheating zone the hot-blast main is carried to the outside, the second air pump with outside air through the cold-blast main carry extremely the preheating zone.
Description
Technical Field
The utility model relates to the technical field of sintering equipment, in particular to a nickel-zinc sintering kiln with an air heat exchanger.
Background
The industrial kiln is applied to various industries in China and is large in quantity and wide in range. The significance of energy conservation and emission reduction of the industrial kiln is very obvious, and the improvement of the energy utilization efficiency of the industrial kiln is the key point for developing energy conservation and emission reduction in various industries.
The existing ceramic kiln system comprises a preheating zone, a sintering zone and a cooling zone. The temperature in the preheating zone can reach more than 1000 ℃, but in the production process, the preheating temperature required by the waste heat only needs about 300 ℃, so a large amount of high-grade energy is wasted in the preheating zone. In the kiln at the kiln tail quick cooling area of the ceramic kiln, the temperature of hot gas still reaches 250-plus-300 ℃, the waste heat is generally dissipated by white, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the nickel-zinc sintering kiln with the air heat exchanger, which can fully utilize the waste heat of the cooling area, save resources and reduce the production cost.
The nickel-zinc sintering kiln with the air heat exchanger comprises the following components: the kiln comprises a kiln body, wherein the kiln body is sequentially provided with a preheating zone, a firing zone and a cooling zone along the length direction of the kiln body; heat exchange device, including air heat exchanger, first air pump and second air pump, air heat exchanger includes hot-blast main and cold-blast main, the cold-blast main is worn to locate in the hot-blast main, the cold-blast main is located pipe section in the hot-blast main adopts round trip snake-shaped structure, the hot-blast main warp burn into the district with the cooling zone is connected the hot-blast main is connected with first air pump, the cold-blast main with the preheating zone is connected, the cold-blast main is connected with the second air pump, first air pump will the steam warp of preheating zone the hot-blast main is carried to the outside, the second air pump with outside air through the cold-blast main carry extremely the preheating zone.
The nickel-zinc sintering kiln with the air heat exchanger provided by the embodiment of the utility model has at least the following beneficial effects: in the working process, the first air pump pumps hot air in the cooling area into the hot air pipe, the hot air pipe increases the temperature of hot air through the burning area, the second air pump pumps outside air into the cold air pipe, and the hot air pipe exchanges heat between the hot air and the air in the cold air pipe in a penetrating manner, so that the temperature of the air in the cold air pipe is increased and the air enters the preheating area for preheating. Through being provided with air heat exchanger, the temperature that utilizes the preheating of cooling zone to rise outside air to be used for preheating zone to preheat, make full use of cooling zone's waste heat, resources are saved, and reduction in production cost. Through with the hot-blast main through the district of burning into, can improve the hot-blast temperature in the hot-blast main and make the hot-blast main and the heat exchange efficiency improvement of cold wind pipe, guarantee that the air temperature in the cold wind pipe reaches preheating zone temperature demand. The pipe section of the cold air pipe in the hot air pipe is in a reciprocating snake-shaped structure, so that the path of the cold air pipe in the hot air pipe can be prolonged, air in the cold air pipe can fully absorb heat, the heat exchange efficiency is improved, and the production cost is reduced.
According to the nickel-zinc sintering kiln with the air heat exchanger, the cold air pipe is provided with the cold air inlet and the cold air outlet, the cold air inlet and the cold air outlet are respectively located on the side walls of the two ends of the hot air pipe, the path of the cold air pipe in the hot air pipe can be prolonged, the heat exchange efficiency is improved, and the operation is simple and convenient.
According to the nickel-zinc sintering kiln with the air heat exchanger, the cross section of the air outlet end of the hot air pipe is gradually reduced towards the hot air outlet, so that the discharge of hot air in the hot air pipe can be slowed down, and the heat exchange efficiency is improved.
According to the nickel-zinc sintering kiln with the air heat exchanger, the cooling area is provided with a cooling mechanism, and the cooling mechanism is used for cooling products in the cooling area. Through being provided with cooling body, can improve the cooling effect in cooling zone, improve production efficiency.
According to the nickel-zinc sintering kiln with the air heat exchanger, the cooling mechanism comprises a cooling fan and a cooling air duct, and the cooling air duct is connected with the cooling area. Utilize cooling blower to carry outside air to the cooling duct in, then carry to the cooling space in to cool off the cooling space, simple structure, it is easy and simple to handle.
According to the nickel-zinc sintering kiln with the air heat exchanger, the cooling air duct is provided with the first valve. Through being provided with first valve, can adjust the flow size in cooling duct according to the production demand, enlarge application scope.
According to the nickel-zinc sintering kiln with the air heat exchanger, the preheating zone is provided with the moisture exhausting mechanism, and the moisture exhausting mechanism is used for exhausting moisture in the preheating zone. Through being provided with the hydrofuge mechanism, can guarantee product quality with the moisture discharge in the preheating zone, improve production efficiency.
According to the nickel-zinc sintering kiln with the air heat exchanger, the moisture exhausting mechanism comprises a moisture exhausting fan and a moisture exhausting pipeline, the moisture exhausting fan is connected with one end of the moisture exhausting pipeline, and the other end of the moisture exhausting pipeline is connected with the preheating area. Utilize the hydrofuge fan to carry the moisture in the preheating zone to the cooling duct in, then arrange the outside, simple structure, it is easy and simple to handle.
According to the nickel-zinc sintering kiln with the air heat exchanger, the moisture exhaust pipeline is provided with the second valve. Through being provided with the second valve, can adjust the flow size of hydrofuge pipeline according to the production demand, improve product quality.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a nickel zinc sintering kiln with an air heat exchanger according to an embodiment of the utility model.
Description of reference numerals:
a preheating zone 110; a firing zone 120; a cooling zone 130; a moisture exhaust fan 140; a moisture removal duct 150; a cooling fan 160; a cooling air duct 170; a hot air duct 210; a cold air pipe 220; a first air pump 230; the second air pump 240; a cold air inlet 250; a cold air outlet 260; a hot air outlet 270.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an embodiment of the present invention provides a nickel zinc sintering furnace with an air heat exchanger, including: the kiln comprises a kiln body, wherein the kiln body is sequentially provided with a preheating zone 110, a firing zone 120 and a cooling zone 130 along the length direction of the kiln body; the heat exchange device comprises an air heat exchanger, a first air pump 230 and a second air pump 240, wherein the air heat exchanger comprises a hot air pipe 210 and a cold air pipe 220, the cold air pipe 220 penetrates through the hot air pipe 210, the pipe section of the cold air pipe 220 positioned in the hot air pipe 210 adopts a reciprocating snake-shaped structure, the hot air pipe 210 is connected with a cooling area 130 through a burning area 120, the hot air pipe 210 is connected with the first air pump 230, the cold air pipe 220 is connected with a preheating area 110, the cold air pipe 220 is connected with the second air pump 240, the first air pump 230 conveys hot air of the preheating area 110 to the outside through the hot air pipe 210, and the second air pump 240 conveys outside air to the preheating area 110 through the cold air pipe 220.
In the working process, the first air pump 230 pumps the hot air in the cooling region 130 into the hot air pipe 210, the hot air pipe 210 increases the temperature of the hot air through the firing region 120, the second air pump 240 pumps the external air into the cold air pipe 220, and the hot air pipe 210 exchanges heat between the hot air and the air in the cold air pipe 220 as the cold air pipe 220 penetrates through the hot air pipe 210, so that the temperature of the air in the cold air pipe 220 is increased and enters the preheating region 110 for preheating. By providing the air heat exchanger, the temperature of the outside air is raised by the preheating of the cooling zone 130 for preheating the preheating zone 110, the waste heat of the cooling zone 130 is fully utilized, resources are saved, and the production cost is reduced. Through passing through the burning zone 120 with the hot-blast main 210, can improve the hot-blast temperature in the hot-blast main 210 and make the heat exchange efficiency of hot-blast main 210 and cold-blast main 220 improve, guarantee that the air temperature in the cold-blast main 220 reaches preheating zone 110 temperature demand. The pipe section of the cold air pipe 220 in the hot air pipe 210 is of a reciprocating snake-shaped structure, so that the path of the cold air pipe 220 in the hot air pipe 210 can be prolonged, air in the cold air pipe 220 can fully absorb heat, the heat exchange efficiency is improved, and the production cost is reduced.
Referring to fig. 1, specifically, the cold air duct 220 is provided with a cold air inlet 250 and a cold air outlet 260, and the cold air inlet 250 and the cold air outlet 260 are respectively located on the sidewalls of the two ends of the hot air duct 210, so that the path of the cold air duct 220 in the hot air duct 210 can be extended, the heat exchange efficiency is improved, and the operation is simple and convenient. It is conceivable that the cross section of the air outlet end of the hot air pipe 210 is gradually reduced toward the hot air outlet 270, so that the discharge of hot air in the hot air pipe 210 can be slowed down, and the heat exchange efficiency can be improved.
Referring to fig. 1, in some embodiments, the cooling zone 130 is provided with a cooling mechanism for cooling the product of the cooling zone 130. By providing the cooling mechanism, the cooling effect of the cooling area 130 can be improved, and the production efficiency can be improved. The cooling mechanism includes a cooling fan 160 and a cooling air duct 170, and the cooling air duct 170 is connected to the cooling area 130. The cooling fan 160 is used for conveying the external air into the cooling air duct 170 and then into the cooling area 130 so as to cool the cooling area 130, and the cooling fan is simple in structure and convenient to operate. It is conceivable that the cooling air duct 170 is provided with a first valve. Through being provided with first valve, can adjust the flow size of cooling duct 170 according to the production demand, enlarge application scope.
Referring to fig. 1, the preheating zone 110 is provided with a moisture exhaust mechanism for exhausting moisture of the preheating zone 110. Through being provided with the hydrofuge mechanism, can be with the moisture discharge in the preheating zone 110, guarantee product quality, improve production efficiency. Specifically, the dehumidifying mechanism includes a dehumidifying fan 140 and a dehumidifying pipe 150, the dehumidifying fan 140 is connected to one end of the dehumidifying pipe 150, and the other end of the dehumidifying pipe 150 is connected to the preheating zone 110. The moisture in the preheating zone 110 is transported to the cooling air duct 170 by the moisture exhaust fan 140 and then exhausted to the outside, so that the structure is simple and the operation is simple and convenient. It is easily understood that the dehumidifying pipe 150 is provided with a second valve. Through being provided with the second valve, can adjust the flow size of hydrofuge pipeline 150 according to the production demand, improve product quality.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A nickel zinc sintering kiln with an air heat exchanger, comprising:
the kiln comprises a kiln body, wherein the kiln body is sequentially provided with a preheating zone, a firing zone and a cooling zone along the length direction of the kiln body;
heat exchange device, including air heat exchanger, first air pump and second air pump, air heat exchanger includes hot-blast main and cold-blast main, the cold-blast main is worn to locate in the hot-blast main, the cold-blast main is located pipe section in the hot-blast main adopts round trip snake-shaped structure, the hot-blast main warp burn into the district with the cooling zone is connected the hot-blast main is connected with first air pump, the cold-blast main with the preheating zone is connected, the cold-blast main is connected with the second air pump, first air pump will the steam warp of preheating zone the hot-blast main is carried to the outside, the second air pump with outside air through the cold-blast main carry extremely the preheating zone.
2. The nickel-zinc sintering kiln with the air heat exchanger as recited in claim 1, wherein the cold air duct is provided with a cold air inlet and a cold air outlet, and the cold air inlet and the cold air outlet are respectively located on the side walls of two ends of the hot air duct.
3. The nickel-zinc sintering kiln with the air heat exchanger as recited in claim 1, wherein the cross section of the air outlet end of the hot blast pipe is gradually reduced toward the hot blast outlet.
4. The nickel zinc sintering kiln with the air heat exchanger as recited in claim 1, characterized in that the cooling zone is provided with cooling means for cooling the products of the cooling zone.
5. The nickel zinc sintering kiln with the air heat exchanger as recited in claim 4, wherein the cooling mechanism comprises a cooling fan and a cooling air duct, and the cooling air duct is connected with the cooling zone.
6. The nickel zinc sintering kiln with air heat exchanger of claim 5, characterized in that the cooling air duct is provided with a first valve.
7. The nickel zinc sintering kiln with air heat exchanger of claim 1, characterized in that the preheating zone is provided with a moisture removal mechanism for extracting moisture from the preheating zone.
8. The nickel zinc sintering kiln with the air heat exchanger as recited in claim 7, wherein the moisture exhausting mechanism comprises a moisture exhausting fan and a moisture exhausting pipeline, the moisture exhausting fan is connected with one end of the moisture exhausting pipeline, and the other end of the moisture exhausting pipeline is connected with the preheating zone.
9. The nickel zinc sintering kiln with air heat exchanger of claim 8, characterized in that the moisture removal duct is provided with a second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122447167.0U CN216308628U (en) | 2021-10-11 | 2021-10-11 | Nickel-zinc sintering kiln with air heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122447167.0U CN216308628U (en) | 2021-10-11 | 2021-10-11 | Nickel-zinc sintering kiln with air heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216308628U true CN216308628U (en) | 2022-04-15 |
Family
ID=81113481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122447167.0U Active CN216308628U (en) | 2021-10-11 | 2021-10-11 | Nickel-zinc sintering kiln with air heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216308628U (en) |
-
2021
- 2021-10-11 CN CN202122447167.0U patent/CN216308628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204987982U (en) | Waste heat recovery device suitable for airflow dryer | |
| CN103994645B (en) | A kind of energy-efficient roller drying drying equipment | |
| CN102673118A (en) | Energy-saving system for high-temperature heat pump of printing machinery | |
| CN216308628U (en) | Nickel-zinc sintering kiln with air heat exchanger | |
| CN201740411U (en) | Residual-heat utilization device of ceramic calcining kiln | |
| CN210569930U (en) | Energy-saving electric furnace for smelting scrap iron | |
| CN103063044A (en) | Rotary hearth furnace flue gas waste heat utilization system and rotary hearth furnace flue gas waste heat utilization method | |
| CN201740412U (en) | Rotary kiln cooler residual-heat utilizing device | |
| CN103499193B (en) | Special hot blast furnace for drying shed | |
| CN106196125B (en) | A kind of exhaust-gas treatment structure applied to incinerator | |
| CN107478058A (en) | The energy-saving shuttle kiln of one kind commutation | |
| CN206887150U (en) | A kind of energy-saving tempering furnace | |
| CN103968464A (en) | Air-conditioning type fresh air ventilator | |
| CN210197940U (en) | High-efficient drying device in vacuum | |
| CN103471240A (en) | Temperature controlled type hot-blast stove | |
| CN201093857Y (en) | Airflow drying energy saving apparatus | |
| CN208983854U (en) | A kind of compound kiln of splitlevel energy conservation | |
| CN210426131U (en) | Flue gas circulating system | |
| CN210773495U (en) | Smoke discharging and heat exchanging system of trolley type annealing furnace | |
| CN210107993U (en) | High-efficient drying furnace | |
| CN204165344U (en) | A kind of energy-efficient roller drying drying equipment | |
| CN102776389A (en) | Method for using thermal-state magnesium slag afterheat and moving bed | |
| CN202254901U (en) | High-efficiency and energy-saving kiln | |
| CN209341848U (en) | A kind of Industrial Stoves heat energy circulating system | |
| CN208170743U (en) | A kind of energy saving heat exchange structure of biomass thermal wind furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |