阅读说明：本技术 一种喷涂热加温生产系统 (Spraying heat production system that heats ) 是由 庞耀勇 吴润楷 于 2020-06-26 设计创作，主要内容包括：本发明涉及加温生产系统技术领域,且公开了一种喷涂热加温生产系统,包括生产系统、复合炉体、热能回收系统、复合输送系统和加热系统,所述生产系统分为A工作区和B工作区,所述A工作区和B工作区均包含辊道运输线、皮带运输线、吊挂运输线、热能回收系统、烧结炉、烘干炉、毛胚运输线、喷釉区和收货区,所述A工作区和B工作区构成复合热加温生产系统。该喷涂热加温生产系统,具备生产效率高,避免热能浪费,占地面积小、便于维修的优点。(The invention relates to the technical field of heating production systems, and discloses a spraying heat heating production system which comprises a production system, a composite furnace body, a heat energy recovery system, a composite conveying system and a heating system, wherein the production system is divided into an A working area and a B working area, the A working area and the B working area respectively comprise a roller way conveying line, a belt conveying line, a hanging conveying line, a heat energy recovery system, a sintering furnace, a drying furnace, a blank conveying line, a glaze spraying area and a goods receiving area, and the A working area and the B working area form the composite heat heating production system. This spraying heat production system that heats possesses production efficiency height, avoids heat energy extravagant, and area is little, the advantage of the maintenance of being convenient for.)

1. The utility model provides a hot production system that heats of spraying, includes production system, compound furnace body, heat recovery system, compound conveying system and heating system, its characterized in that: the production system is divided into a working area A and a working area B, wherein the working area A and the working area B both comprise a roller way conveying line, a belt conveying line, a hanging conveying line, a heat energy recovery system, a sintering furnace, a drying furnace, a blank conveying line, a glaze spraying area and a goods receiving area, and the working area A and the working area B form a composite heating production system.

2. A spray coating thermal heating production system according to claim 1, wherein: the furnace body of the composite furnace body mainly comprises: the furnace body takes the steel frame as a supporting structure, adopts three layers of overlapping and comprises a lower-layer sintering furnace, a middle-layer sintering furnace and an upper-layer drying furnace, wherein the lower-layer sintering furnace and the middle-layer sintering furnace are used for building walls and bottoms by refractory materials, the top is built by refractory and heat-insulating materials, and heating elements are arranged inside the lower-layer sintering furnace and the middle-layer sintering furnace to form a sintering area; the upper layer drying furnace has no heating element, the internal heat energy of the upper layer drying furnace is transferred upwards by the lower layer sintering furnace and the middle layer sintering furnace, and the power roller table penetrates through the furnace bodies of the lower layer sintering furnace and the middle layer sintering furnace; the upper layer drying furnace is built with heat insulating material on two sides and top, and two opposite hanging rails penetrate through the furnace body of the upper layer drying furnace.

3. A spray coating thermal heating production system according to claim 1, wherein: the heat energy recovery system is connected with furnace mouths at two ends of the composite furnace body, the shell is connected with the composite furnace body, the shell is wrapped and filled with a heat-insulating material, and a shell steel plate is packaged outside the heat-insulating material and forms a core part of the invention together with the composite furnace body; the upper layer, the middle layer and the lower layer of the heat energy recovery system respectively correspond to the upper layer, the middle layer and the lower layer of the composite furnace body by adopting a three-layer hollow design of a lower layer sintering furnace, a middle layer sintering furnace and an upper layer drying furnace; the hollow bottom plate is used for blocking between the lower-layer sintering furnace and the middle-layer sintering furnace, the protective net is used as the blocking between the middle-layer sintering furnace and the upper-layer drying furnace, the air curtains are formed by a plurality of air blowers, heat energy is blocked in the heat energy recovery system and is pressed back downwards, the lower-layer sintering furnace and the middle-layer sintering furnace oppositely enter and exit and the upper-layer drying furnace oppositely hang the wires, so that air flow and cold and hot convection are formed in the internal air flow, heat energy can be transmitted to each layer in the air flow, and the recycling effect is formed.

4. A spray coating thermal heating production system according to claim 1, wherein: the composite conveying system consists of a power roller way, a reversing mechanism and a speed regulator, and the working area A and the working area B correspond to a circulating roller way respectively; the circulating roller way consists of 2 roller ways, 2 belt conveying lines and a speed regulator, and the first roller way penetrates through the composite furnace body and passes through the sintering area; the second roller way and the first roller way are horizontally arranged on the side surface of the composite furnace; the ends of the two ends of the first roller way are connected to the second roller way through a reversing mechanism to form a circulating power roller way; the power roller way mainly comprises: the device comprises a power roller barrel assembly, an aluminum side plate, a sheet frame, a pull rod, a bearing seat, a driving device and a chain.

5. A spray coating thermal heating production system according to claim 1, wherein: the heating system consists of a heating element and a temperature controller, wherein the heating element is a resistance wire, and sends a signal to the solid relay by controlling the temperature controller, so that the current is controlled to enter and exit, and the heat energy emitted by the heating element is regulated to reach the required maximum firing temperature; when the set temperature is reached, the solid relay can suspend power supply, so as to reach the constant temperature.

Technical Field

The invention relates to the technical field of heating production systems, in particular to a spraying thermal heating production system.

Background

The surface treatment sintering heat warming equipment is an indispensable main equipment in the production of enamel products, and the heating structure and the heat energy utilization technology of the equipment greatly influence the yield, the quality, the cost and the like of products.

The basic structure and principle of the existing sintering heat warming equipment are as follows:

the existing sintering heat-warming equipment takes a steel frame as a supporting structure; building a wall and a vault by refractory materials to form a vault tunnel sintering kiln; heating elements are arranged on four sides of the middle part of the kiln chamber; the heat-insulating material is wrapped and filled in the four directions of the side of the refractory material; and (4) assembling and fixing shell steel plates on the two sides and the top outside the heat-insulating material to form a sintering kiln main body.

A shorter drying kiln is built by using a steel framework as a support and using refractory materials and heat-insulating materials in front of an inlet of the sintering kiln; a small amount of heating elements are assembled in the middle of the drying kiln, and the heat energy emitted by the heating elements is adjusted through the controllable silicon to form a product preheating zone.

The four sides of the interior of the kiln chamber are taken as 1 group of heating elements; a plurality of groups are evenly distributed in the middle of the tunnel kiln; the heat energy emitted by the heating element is adjusted through the controllable silicon to form a high-temperature sintering area. And blowing air downwards by a blower at the inlet and the outlet of the sintering kiln to form an air curtain.

A steel framework is used as a support before a sintering kiln outlet and a product acceptance offline, and an air cooler is assembled; and cold air is blown into the cooling device through the air cooler, so that the product and the cold air exchange heat to form a cooling area.

The power roller way starts from the glaze spraying area, runs through the sintering kiln, the drying furnace and the cooling area, finishes in the acceptance and acceptance offline area, forwards conveys the product by utilizing the rotation of the roller way, and is connected with each procedure in series.

During the production process, the existing enamel kiln has various problems:

1. because the existing structure is single-line production, only one process flow can be executed each time, and the finished product of the enamel product needs to be sintered in a kiln for multiple times, the circulation times are multiple, and the production efficiency is low;

2. the heat energy brought out by the product in the sintering process can not be fully utilized, so that the waste of the heat energy is caused;

3. if all the process flow production is required to be realized, the total occupied space of various devices is large, and unnecessary space occupation is caused because the existing products need to be circulated;

4. the sintering furnace and the drying furnace of the existing enamel kiln are independent units, so that excessive heating areas are caused, the power of the equipment is high, the full load is 900KW, and the heat energy is not fully utilized;

5. the vault structure and the equipment structure are complex, and the equipment is inconvenient to maintain and manufacture;

6. the temperature fluctuation is large in the sintering process, and the constant temperature cannot be kept, so that the product quality is unstable;

7. when products are moved on and off the production line, manual circulation is needed, the products are inconvenient to circulate, and the loss rate during circulation is increased;

8. the production line of finished products cannot be realized, so that more personnel are required for operation and production.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a spraying heat-warming production system which has the advantages of high production efficiency, avoidance of heat energy waste, small occupied area and convenience in maintenance, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spraying heat production system that heats, includes production system, compound furnace body, heat recovery system, compound conveying system and heating system, production system divide into A workspace and B workspace, A workspace and B workspace all contain roller way transportation line, belt transportation line, hang transportation line, heat recovery system, fritting furnace, drying furnace, blank transportation line, glaze spraying area and receiving goods district, A workspace and B workspace constitute compound heat production system that heats.

Preferably, the furnace body of the composite furnace body mainly comprises: the furnace body takes the steel frame as a supporting structure, adopts three layers of overlapping and comprises a lower-layer sintering furnace, a middle-layer sintering furnace and an upper-layer drying furnace, wherein the lower-layer sintering furnace and the middle-layer sintering furnace are used for building walls and bottoms by refractory materials, the top is built by refractory and heat-insulating materials, and heating elements are arranged inside the lower-layer sintering furnace and the middle-layer sintering furnace to form a sintering area; the upper layer drying furnace has no heating element, the internal heat energy of the upper layer drying furnace is transferred upwards by the lower layer sintering furnace and the middle layer sintering furnace, and the power roller table penetrates through the furnace bodies of the lower layer sintering furnace and the middle layer sintering furnace; the upper layer drying furnace is built with heat insulating material on two sides and top, and two opposite hanging rails penetrate through the furnace body of the upper layer drying furnace.

Preferably, the heat energy recovery system is connected with furnace mouths at two ends of the composite furnace body, the shell is connected with the composite furnace body, the composite furnace body is wrapped and filled with a heat insulation material, a shell steel plate is packaged outside the heat insulation material, and the shell steel plate and the composite furnace body form a core part of the invention; the upper layer, the middle layer and the lower layer of the heat energy recovery system respectively correspond to the upper layer, the middle layer and the lower layer of the composite furnace body by adopting a three-layer hollow design of a lower layer sintering furnace, a middle layer sintering furnace and an upper layer drying furnace; the hollow bottom plate is used for blocking between the lower-layer sintering furnace and the middle-layer sintering furnace, the protective net is used as the blocking between the middle-layer sintering furnace and the upper-layer drying furnace, the air curtains are formed by a plurality of air blowers, heat energy is blocked in the heat energy recovery system and is pressed back downwards, the lower-layer sintering furnace and the middle-layer sintering furnace oppositely enter and exit and the upper-layer drying furnace oppositely hang the wires, so that air flow and cold and hot convection are formed in the internal air flow, heat energy can be transmitted to each layer in the air flow, and the recycling effect is formed.

Preferably, the composite conveying system consists of a power roller way, a reversing mechanism and a speed regulator, and the working area A and the working area B correspond to a circulating roller way respectively; the circulating roller way consists of 2 roller ways, 2 belt conveying lines and a speed regulator, and the first roller way penetrates through the composite furnace body and passes through the sintering area; the second roller way and the first roller way are horizontally arranged on the side surface of the composite furnace; the ends of the two ends of the first roller way are connected to the second roller way through a reversing mechanism to form a circulating power roller way; the power roller way mainly comprises: the device comprises a power roller barrel assembly, an aluminum side plate, a sheet frame, a pull rod, a bearing seat, a driving device and a chain.

Preferably, the heating system consists of a heating element and a temperature controller, wherein the heating element is a resistance wire, and a signal is sent to the solid relay by controlling the temperature controller, so that the current is controlled to enter and exit, and the heat energy emitted by the heating element is adjusted to reach the required maximum firing temperature; when the set temperature is reached, the solid relay can suspend power supply, so as to reach the constant temperature.

(III) advantageous effects

Compared with the prior art, the invention provides a spraying heat heating production system, which has the following beneficial effects:

efficiency: the invention adopts a circulating power roller way and a circulating catenary suspension as a product circulation mode, and the lower-layer sintering furnace, the middle-layer sintering furnace and the upper-side drying furnace adopt a three-layer vertical overlapping design, so that multi-process closed-loop circulation production (multi-process production-inspection-packaging) can be realized, the blank can be fed on line, the finished product can be discharged off line, and the packaging process can be entered after the blank is discharged off line, thereby greatly shortening the time caused by process change, improving the product circulation efficiency and improving the production efficiency by 40-50%.

Loss: the invention adopts the dynamic roller way and the catenary suspension as the product circulation mode, thereby shortening the product circulation distance, improving the product circulation efficiency and reducing the loss caused by the product circulation by 80-90%.

Capacity: the invention adopts a power roller way and a catenary suspension as a product circulation mode, improves the product circulation speed and the production efficiency, operates simultaneously in two working areas, has coherent process, and can finish surface treatment processing by one-time production (two production lines are needed in the prior art). The original technical capacity is 1700 pieces/10 hours (single production line, double production line is 3400/10 hours), the new technical capacity is 3800 pieces/10 hours and 4000 pieces/10 hours, and the capacity is improved by 10-15%.

The manufacturing cost is as follows: because of partial structural frame, fittings, components and the like, the lower-layer sintering furnace, the middle-layer sintering furnace and the upper-layer drying furnace are commonly used, so that the cost of the manufacturing raw materials of the invention is reduced by about 20-30%.

The occupied area is as follows: because the lower-layer sintering furnace, the middle-layer sintering furnace and the upper-layer drying furnace adopt a three-layer vertical overlapping design, the floor area of 1 production line is equal to the production efficiency of 2 original production lines, the whole floor area is reduced by 80-90%, and the space utilization rate is effectively improved.

Energy consumption: the heat energy recovery system of the invention recycles the heat energy in the sintering area and the heat energy brought out by the product, and preheats the cold piece through the system, so that the middle layer sintering furnace can save 10-15% of energy consumption compared with the lower layer sintering furnace, and the upper layer drying furnace does not need to increase a heating wire, thereby achieving the drying effect and fully utilizing most of the heat energy. Secondly, temperature control and heating system optimization are carried out, the performance is unchanged, and the power of a sintering area is reduced. The original technology has 900KW of single production line and 1800KW of two production lines, the invention is 1400KW (equal to the two production lines of the original technology), and the direct energy consumption is saved by 20-25% compared with the original technology. And thirdly, the double working areas operate simultaneously and the transportation mode is automated, so that the transportation speed is increased, and the capacity is improved, for example, the energy consumption is saved by 60-70% compared with the original energy consumption when the productivity is calculated (the power is unchanged, the capacity is improved, namely, the energy consumption is reduced).

The product quality is as follows: the invention innovatively adopts a heat energy recovery system, increases the length of the furnace body, and adopts an automatic transportation and operation mode of equipment, so that the temperature fluctuation of the temperature regions of the lower-layer sintering furnace and the middle-layer sintering furnace is more stable, the number of operators is automatically reduced, human errors are reduced, and the product quality is improved by 50-70%.

Drawings

FIG. 1 is a schematic structural diagram of the top of a steel structure of a lower-layer sintering furnace and a middle-layer sintering furnace provided by the invention;

FIG. 2 is a schematic structural diagram of a heat energy recovery system according to the present invention;

FIG. 3 is a schematic structural diagram of heat energy utilization proposed by the present invention;

FIG. 4 is a schematic top view of a production line according to the present invention;

FIG. 5 is a flow diagram of a composite production system in accordance with the present invention;

FIG. 6 is a front cross-sectional view of a composite production system in accordance with the present invention;

FIG. 7 is an enlarged view of a portion of the composite production system of the present invention;

fig. 8 is a schematic structural diagram of the composite furnace body according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a spraying heat-warming production system comprises a production system, a composite furnace body, a heat energy recovery system, a composite conveying system and a heating system, wherein the production system is divided into a working area a and a working area B, the working area a and the working area B both comprise a roller way conveying line, a belt conveying line, a hanging conveying line, a heat energy recovery system, a sintering furnace, a drying furnace, a blank conveying line, a glaze spraying area and a goods receiving area, the working area a and the working area B form a production circulation system by two conveying modes, and the change and circulation of products in the working areas are realized by hanging and conveying (as shown in fig. 4 and 5); each working area is a finished production line and can independently execute a production process, and the working area A and the working area B form a composite heating production system.

The furnace body of the composite furnace body mainly comprises: the furnace body takes the steel frame as a supporting structure (adopting a steel structure, compared with a vault structure of the prior equipment, the furnace body has the advantages of simpler manufacture and maintenance, as shown in figure 1, angle iron is arranged below a top beam and used for fixing I-shaped refractory materials, the angle iron and the refractory materials penetrate through the top of a sintering area of the composite furnace body, partition plate refractory materials are arranged at I-shaped positions below the I-shaped refractory materials, heat insulation materials are filled between the partition plate refractory materials and the top beam, three-layer overlapping (adopting the three-layer overlapping, the space occupancy rate can be greatly reduced, partial manufacturing raw materials are reduced) is adopted, namely a lower-layer sintering furnace, a middle-layer sintering furnace and an upper-layer drying furnace (as shown in figure 8), the lower-layer sintering furnace and the middle-layer sintering furnace are respectively provided with a lower-layer sintering furnace, a wall and a bottom by the refractory materials, the top is built by the refractory materials and the heat insulation materials, heating elements are arranged inside, forming a sintering zone; the upper layer drying furnace has no heating element, the internal heat energy of the upper layer drying furnace is transferred upwards by the lower layer sintering furnace and the middle layer sintering furnace, and the power roller table penetrates through the furnace bodies of the lower layer sintering furnace and the middle layer sintering furnace; the upper layer drying furnace is built by heat insulating materials at two sides and the top, and two opposite hanging rails penetrate through the furnace body of the upper layer drying furnace;

the hollow parts of 3 layers at the two ends of the composite furnace are provided with heat energy recovery systems (as shown in figures 2, 3 and 7), heat energy emitted by a sintering area and a hot part discharged from the composite furnace is transferred to the upper and lower directions by heat exchange at the hollow parts through the principle of expansion with heat and contraction with cold, and the heat energy is used for preheating cold parts entering the lower-layer sintering furnace and the middle-layer sintering furnace (indirectly reducing power); the heat energy of the lower-layer sintering furnace and the middle-layer sintering furnace rises to the upper-layer drying furnace, and the heat energy is driven to penetrate through the upper-layer drying furnace through opposite hanging to form a drying area; the heat energy recovery system is connected with furnace mouths at two ends of the composite furnace body, the shell is connected with the composite furnace body, the shell is wrapped and filled with a heat-insulating material, and a shell steel plate is packaged outside the heat-insulating material and forms a core part of the invention together with the composite furnace body; the upper layer, the middle layer and the lower layer of the heat energy recovery system respectively correspond to the upper layer, the middle layer and the lower layer of the composite furnace body by adopting a three-layer hollow design of a lower layer sintering furnace, a middle layer sintering furnace and an upper layer drying furnace; the hollow bottom plate is arranged between the lower-layer sintering furnace and the middle-layer sintering furnace, the middle-layer sintering furnace and the upper-layer drying furnace are arranged with a protective net as a grid, a plurality of air blowers are used for forming an air curtain to seal heat energy in a heat energy recovery system and press the rising heat energy back downwards, the lower-layer sintering furnace and the middle-layer sintering furnace are oppositely arranged to enter and exit and the upper-layer drying furnace is oppositely arranged with double hanging lines, so that air flow and cold and hot convection are formed in the internal air flow, and the heat energy can be transmitted to each layer (as shown in figures 2 and 3) in the middle to form the recycling effect.

The lower-layer sintering furnace and the middle-layer sintering furnace are respectively provided with roller way conveying lines and are conveyed with corresponding belts to form a sintering cycle; the upper layer drying furnace is provided with two opposite hanging conveying lines; the operating parameters and states of the first roller bed, the second roller bed, the first belt conveyer and the second belt conveyer and the hanging conveyer corresponding to the working area A and the working area B are controlled through a speed controller and a driving mechanism; the links of the working area A and the working area B are connected in series through hanging transportation and roller transportation (as shown in figures 4 and 5); sending a signal to a solid relay through a temperature controller, controlling the current to enter and exit from a heating element, and adjusting the sintering zone temperature of the lower-layer sintering furnace and the middle-layer sintering furnace; according to the circulation steps of the invention, the product enters the corresponding area of the composite furnace for sintering or drying through hanging transportation and roller transportation; the invention realizes the circulation production of a single process, the two processes are simultaneously executed, and the complete production of the enamel pot can be realized without the need of off-line in the process.

The composite conveying system consists of a power roller way, a reversing mechanism (belt conveying line) and a speed regulator, wherein a working area A and a working area B correspond to a circulating roller way respectively; the circulating roller way consists of 2 roller ways, 2 belt conveying lines and a speed regulator, and the first roller way penetrates through the composite furnace body and passes through the sintering area; the second roller way and the first roller way are horizontally arranged on the side surface of the composite furnace; the ends of the two ends of the first roller way are connected to the second roller way through a reversing mechanism to form a circulating power roller way; the power roller way mainly comprises: power roller bucket subassembly, aluminium side board, sheet frame, pull rod, bearing, drive arrangement and chain, its theory of operation: the driving device drives the traction chain, the chain drives the gears on the power roller barrels to rotate, and the products are conveyed forwards by rotation; the reversing mechanism mainly comprises: aluminum side plate, sheet frame, pull rod, bearing, drive arrangement and conveyor belt, its theory of operation: a driving device drives a traction chain, and the chain drives a conveying belt to rotate; lifting a belt at the connection position of the roller ways by lifting drive, and conveying the product to the other roller way; the lifting platform is provided with a plurality of conveying belts, and the lifting conveying belts pass through the sticks of the first roller bed and the second roller bed and are parallel to the sticks; the two ends of the conveying chain are respectively provided with a rotating shaft, and the lifting platform is provided with a lifting driving mechanism for driving the lifting platform to lift.

The heating system consists of a heating element and a temperature controller, wherein the heating element is a resistance wire, and sends a signal to the solid relay by controlling the temperature controller to control the current to enter and exit and adjust the heat energy emitted by the heating element to reach the required maximum firing temperature; when the set temperature is reached, the solid relay can suspend power supply, so as to reach the constant temperature.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.