Kiln alternating combustion assembly

Abstract

The utility model provides a kiln alternating combustion assembly, which belongs to the technical field of glass production equipment, and comprises a kiln body, a first ventilation chamber, a second ventilation chamber, a ventilation pipe and an exhaust pipe; the first ventilation chamber and the second ventilation chamber are respectively arranged on both sides of the kiln body; the first ventilation chamber and the second ventilation chamber are respectively provided with an air inlet, an air outlet and an exhaust port, and the air outlet is connected with the kiln body through a pipeline; one end of the ventilation pipe is connected with an air source; the ventilation pipe is provided with a ventilation branch pipe; one end of the exhaust pipe is connected with an exhaust gas treatment device; the exhaust pipe is provided with an exhaust branch pipe; wherein the first ventilation chamber and the second ventilation chamber are both connected with a combustion-supporting pipe, and the combustion-supporting pipe, the ventilation branch pipe and the exhaust branch pipe are all provided with valves; the ventilation chamber can absorb the heat of the discharged exhaust gas, and after the alternating combustion, the heat in the ventilation chamber can heat up the fuel gas and the combustion-supporting gas, and there is no need to add an additional heat source, which is convenient for reducing the heat loss in the kiln body and reducing energy consumption.

Description

Technical Field

[0001] The utility model belongs to the technical field of glass production equipment, and in particular relates to a kiln alternate combustion assembly. Background Art

[0002] In the glass production process, the glass raw materials are first heated to form a liquid state, and then the liquid material is passed into a kiln with liquid tin to make the liquid material float on the liquid tin. In the prior art, the Chinese invention patent application with application number CN201910967983.9 discloses a glass kiln clarification tank and a glass kiln. The glass kiln clarification tank includes a tank body for glass liquid to pass through and an exhaust gas replacement device arranged on the side wall of the tank body. The exhaust gas replacement device is configured to be able to introduce hot air and / or hot inert gas into the tank body and discharge the exhaust gas located in the tank body through the hot air and / or hot inert gas. The glass kiln clarification tank is arranged in the glass kiln, which can improve the quality of the glass liquid prepared by the glass kiln, so that the color of the final glass product is stable and the transparency is good.

[0003] The above-mentioned glass kiln is supplied with air by an air intake assembly and is exhausted by an exhaust assembly. When the air is supplied by the air intake assembly, the gas entering the kiln also needs to be heated by a first heating element to reduce heat loss in the kiln. Since the above-mentioned air intake method needs to be heated by the first heating element all the time, the above-mentioned air intake method will increase energy consumption. Utility Model Content

[0004] The embodiment of the utility model provides a kiln alternate combustion assembly, aiming to solve the technical problem that the air intake method in the prior art increases energy consumption.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A kiln alternate combustion assembly is provided, comprising:

[0007] Kiln body;

[0008] A first ventilation chamber and a second ventilation chamber are respectively arranged on both sides of the kiln body; the first ventilation chamber and the second ventilation chamber are provided with an air inlet, an air outlet and an exhaust port, and the air outlet is connected with the kiln body through a pipeline;

[0009] A ventilation pipe, one end of which is connected to an air source; the ventilation pipe is provided with ventilation branches connected to the air inlets of the first ventilation chamber and the second ventilation chamber respectively;

[0010] An exhaust pipe, one end of which is connected to the exhaust gas treatment device; the exhaust pipe is provided with exhaust branch pipes connected to the exhaust ports of the first ventilation chamber and the second ventilation chamber respectively;

[0011] Wherein, the first ventilation chamber and the second ventilation chamber are both connected with a combustion-supporting pipe, and the combustion-supporting pipe, the ventilation branch pipe and the exhaust branch pipe are all provided with valves; when the first ventilation chamber is ventilated, the second ventilation chamber is exhausted; when the second ventilation chamber is ventilated, the first ventilation chamber is exhausted.

[0012] In a possible implementation, one end of the combustion-supporting pipe is connected to the ventilation branch pipe, and the other end of the combustion-supporting pipe is connected to a fan.

[0013] In a possible implementation, the first ventilation chamber and the second ventilation chamber are a group, and along the length direction of the kiln body, the first ventilation chamber and the second ventilation chamber are several groups.

[0014] In a possible implementation, an inner side wall of the first ventilation chamber and an inner side wall of the second ventilation chamber are both provided with a heat insulation structure, and the heat insulation structure is used for heat exchange with the exhaust gas.

[0015] In a possible implementation, the heat preservation structure includes:

[0016] A heat preservation plate connected to the inner side wall of the ventilation chamber; the side wall of the heat preservation plate is provided with a plurality of through holes;

[0017] A plurality of partitions are connected to the heat preservation plate; a winding air passage is formed between the plurality of partitions, one end of the air passage is connected to the air inlet and the air outlet, and the other end of the air passage is connected to the air outlet.

[0018] In a possible implementation, several of the partitions are arranged in the up and down direction, the partitions arranged at the bottom are connected to the insulation board at the bottom of the ventilation chamber, and the partitions arranged at the top are connected to the insulation board at the top of the ventilation chamber; wherein the insulation board has a connecting component connected to the partitions.

[0019] In a possible implementation, the connecting component includes two limiting plates, and a slot for plugging and mating the partition is formed between the two limiting plates; the limiting plate located at the top of the ventilation chamber has a first positioning hole, and the partition located at the top of the ventilation chamber has a second positioning hole that can be aligned with the first positioning hole;

[0020] When the partition plate is plugged into the slot, the first positioning hole is aligned with the second positioning hole, and the partition plate is fixed to the limiting plate by a pin.

[0021] In a possible implementation, the connecting component includes a screw rod, and the insulation plates located at the top and bottom of the ventilation chamber respectively have threaded holes, and the screw rod is threadedly matched with the threaded holes;

[0022] Wherein, a protrusion is connected to the partition, and a threaded hole connected to the screw is provided on the protrusion.

[0023] In a possible implementation, a cover plate is detachably connected to the top of the first ventilation chamber and the second ventilation chamber, and the cover plate is connected to the ventilation chamber by bolts;

[0024] The bottom of the insulation board located on the four side walls of the ventilation chamber contacts the bottom of the ventilation chamber, the four side walls of the insulation board located at the bottom of the ventilation chamber contact the four vertically arranged insulation boards respectively, and the insulation board located at the top of the ventilation chamber overlaps the top of the four vertically arranged insulation boards.

[0025] In a possible implementation, the tops of four vertically arranged insulation boards are respectively provided with plug holes, and the insulation board located at the top of the ventilation chamber has plug posts that are plugged into and cooperate with the plug holes.

[0026] The utility model provides a kiln alternating combustion assembly. Compared with the prior art, when the first ventilation chamber is ventilated and the second ventilation chamber is exhausted, the ventilation branch pipe and the combustion-supporting pipe of the first ventilation chamber are opened, and the exhaust branch pipe is closed; the ventilation branch pipe and the combustion-supporting pipe of the second ventilation chamber are closed, and the exhaust branch pipe is opened. At this time, the fuel gas and the combustion-supporting gas enter the kiln from the first ventilation chamber and burn, and the exhaust gas generated by the combustion is discharged from the second ventilation chamber; in the process of exhaust gas discharge, the second ventilation chamber can absorb the heat of the exhaust gas to increase the temperature in the second ventilation chamber; after a preset time, alternating combustion is performed, that is, the second ventilation chamber is ventilated and the first ventilation chamber is exhausted; through the above-mentioned arrangement of the present application, the ventilation chamber can absorb the heat of the exhausted exhaust gas, and after alternating combustion, the heat in the ventilation chamber can heat the fuel gas and the combustion-supporting gas, and there is no need to add an additional heat source, which is convenient for reducing the heat loss in the kiln body and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of a kiln alternate combustion assembly provided by an embodiment of the utility model;

[0028] Figure 2 A cross-sectional view of a kiln alternate combustion assembly provided in an embodiment of the utility model;

[0029] Figure 3 for Figure 2 The enlarged schematic diagram of the middle A part;

[0030] Figure 4 for Figure 2 The enlarged schematic diagram of the middle part B;

[0031] Figure 5 A three-dimensional structural cross-sectional view of a kiln alternate combustion assembly provided by an embodiment of the utility model;

[0032] Figure 6 A cross-sectional view of a partition portion of a kiln alternating combustion assembly provided in an embodiment of the utility model.

[0033] Explanation of the reference numerals in the accompanying drawings: 1. kiln body; 2. first ventilation chamber; 21. air inlet; 22. air outlet; 23. exhaust port; 3. second ventilation chamber; 4. ventilation branch pipe; 5. exhaust branch pipe; 6. insulation structure; 61. insulation board; 62. partition; 621. protrusion; 63. air passage; 64. limit plate; 65. pin shaft; 66. screw; 7. cover plate. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] Please also read Figures 1 to 6 Now, a kiln alternating combustion assembly provided by the utility model is described. The kiln alternating combustion assembly comprises a kiln body 1, a first ventilation chamber 2, a second ventilation chamber 3, a ventilation pipe and an exhaust pipe; the first ventilation chamber 2 and the second ventilation chamber 3 are respectively arranged on both sides of the kiln body 1; the first ventilation chamber 2 and the second ventilation chamber 3 are each provided with an air inlet 21, an air outlet 22 and an exhaust port 23, and the air outlet 22 is connected to the kiln body 1 through a pipeline; one end of the ventilation pipe is connected to an air source; the ventilation pipe is provided with air inlets connected to the first ventilation chamber 2 and the second ventilation chamber 3, respectively. A ventilation branch pipe 4 connected to 21; one end of the exhaust pipe is connected to the exhaust gas treatment equipment; the exhaust pipe is provided with an exhaust branch pipe 5 connected to the exhaust ports 23 of the first ventilation chamber 2 and the second ventilation chamber 3 respectively; wherein the first ventilation chamber 2 and the second ventilation chamber 3 are both connected with a combustion-supporting pipe, and the combustion-supporting pipe, the ventilation branch pipe 4 and the exhaust branch pipe 5 are all provided with valves; when the first ventilation chamber 2 is ventilated, the second ventilation chamber 3 is exhausted; when the second ventilation chamber 3 is ventilated, the first ventilation chamber 2 is exhausted.

[0036] The utility model provides a kiln alternating combustion assembly. Compared with the prior art, when the first ventilation chamber 2 is ventilated and the second ventilation chamber 3 is exhausted, the ventilation branch pipe 4 and the combustion-supporting pipe of the first ventilation chamber 2 are opened, and the exhaust branch pipe 5 is closed; the ventilation branch pipe 4 and the combustion-supporting pipe of the second ventilation chamber 3 are closed, and the exhaust branch pipe 5 is opened. At this time, the fuel gas and the combustion-supporting gas enter the kiln from the first ventilation chamber 2 and burn, and the exhaust gas generated by the combustion is discharged from the second ventilation chamber 3; in the process of exhausting the exhaust gas, the second ventilation chamber 3 can absorb the heat of the exhaust gas to increase the temperature in the second ventilation chamber 3; after a preset time, alternating combustion is performed, that is, the second ventilation chamber 3 is ventilated and the first ventilation chamber 2 is exhausted; through the above-mentioned arrangement of the present application, the ventilation chamber can absorb the heat of the exhausted exhaust gas, and after alternating combustion, the heat in the ventilation chamber can heat the fuel gas and the combustion-supporting gas, and there is no need to add an additional heat source, which is convenient for reducing the heat loss in the kiln body 1 and reducing energy consumption.

[0037] It should be noted that, when the second ventilation chamber 3 is ventilated and the first ventilation chamber 2 is exhausted, the ventilation branch pipe 4 and the combustion-supporting pipe of the second ventilation chamber 3 are opened, and the exhaust branch pipe 5 is closed; the ventilation branch pipe 4 and the combustion-supporting pipe of the first ventilation chamber 2 are closed, and the exhaust branch pipe 5 is opened. Therefore, the fuel gas burns at the position of the kiln body 1 at the second ventilation chamber 3, and the exhaust gas is discharged from the position of the kiln body 1 at the first ventilation chamber 2. At this time, the first ventilation chamber 2 can absorb the heat of the exhaust gas to increase the temperature inside the first ventilation chamber 2.

[0038] In some embodiments, Figures 1 to 6 As shown, one end of the combustion-supporting pipe is connected to the ventilation branch pipe 4, and the other end of the combustion-supporting pipe is connected to a fan.

[0039] It should be noted that the tail gas treatment equipment has an air suction structure that can suck the tail gas into the tail gas treatment equipment; the tail gas treatment equipment is a prior art and will not be described in detail here. By arranging a fan on the combustion-supporting pipe, the combustion-supporting gas can be discharged into the ventilation branch pipe 4, and the combustion-supporting gas and the fuel gas are discharged into the kiln body 1 together and burned in the kiln body 1.

[0040] In some embodiments, Figures 1 to 6 As shown, the first ventilation chamber 2 and the second ventilation chamber 3 are a group, and along the length direction of the kiln body 1, the first ventilation chamber 2 and the second ventilation chamber 3 are several groups.

[0041] It should be noted that, by providing a plurality of groups of first ventilation chambers 2 and second ventilation chambers 3 according to the length of the kiln body 1 , it is possible to ensure that the temperature in the kiln body 1 reaches a preset requirement and facilitates the flow of molten liquid material in the kiln body 1 .

[0042] In some embodiments, Figures 1 to 6As shown, the inner side wall of the first ventilation chamber 2 and the inner side wall of the second ventilation chamber 3 are both provided with a heat preservation structure 6, and the heat preservation structure 6 is used for heat exchange with the exhaust gas. The heat preservation structure 6 includes a heat preservation plate 61 and a plurality of partitions 62; the heat preservation plate 61 is connected to the inner side wall of the ventilation chamber; the side wall of the heat preservation plate 61 has a plurality of through holes; a plurality of partitions 62 are connected to the heat preservation plate 61; a winding air passage 63 is formed between the plurality of partitions 62, one end of the air passage 63 is connected to the air inlet 21 and the exhaust port 23, and the other end of the air passage 63 is connected to the air outlet 22.

[0043] It should be noted that by arranging a number of through holes on the insulation plate 61, the heat exchange efficiency between the insulation plate 61 and the exhaust gas can be improved; by arranging a number of partitions 62 into a winding air passage 63, the movement path of the exhaust gas in the ventilation chamber can be extended, so that the insulation plate 61 can better absorb the heat of the exhaust gas; in addition, the winding air passage 63 can also increase the movement path of the fuel gas and the combustion-supporting gas, so as to increase the temperature of the fuel gas and the combustion-supporting gas, so as to reduce the energy absorbed by the fuel gas and the combustion-supporting gas in the kiln body 1, and reduce the heat loss in the kiln body 1.

[0044] In some embodiments, Figures 1 to 6 As shown, several partitions 62 are arranged in the up and down direction, the partitions 62 arranged at the bottom are connected to the insulation plate 61 at the bottom of the ventilation chamber, and the partitions 62 arranged at the top are connected to the insulation plate 61 at the top of the ventilation chamber; wherein, the insulation plate 61 has a connecting component connected to the partitions 62.

[0045] It should be noted that the air inlet 21 and the air outlet 22 are arranged on the same side of the ventilation chamber, and the air outlet 22 is arranged on the other side of the ventilation chamber; a plurality of baffles 62 are arranged in the up-down direction, so that the gas or exhaust gas can meander in the up-down direction in the ventilation chamber; a plurality of baffles 62 can also be arranged in the left-right direction, so that the gas or exhaust gas can meander in the left-right direction. By arranging a connecting component connected to the baffle 62 on the insulation board 61, the baffle 62 can be fixed on the insulation board 61, thereby improving the stability of the baffle 62 during use.

[0046] In some embodiments, Figures 1 to 6 As shown, the connecting component includes two limit plates 64, and a slot for the partition 62 to be plugged in and matched is formed between the two limit plates 64; the limit plate 64 located at the top of the ventilation chamber has a first positioning hole, and the partition 62 located at the top of the ventilation chamber has a second positioning hole that can be aligned with the first positioning hole; wherein, when the partition 62 is plugged in and matched with the slot, the first positioning hole and the second positioning hole are aligned, and the partition 62 and the limit plate 64 are fixed by a pin 65.

[0047] It should be noted that the partition 62 on the bottom insulation board 61 can be directly inserted into the slot to ensure the stability of the partition 62 at the bottom position; after the partition 62 on the top insulation board 61 is inserted into the slot, the pin 65 needs to be inserted into the first positioning hole and the second positioning hole to limit the partition 62 in the height direction, so that the partition 62 can be fixed on the top insulation board 61.

[0048] In some embodiments, Figures 1 to 6 As shown, the connecting component includes a screw 66, and the insulation plates 61 located at the top and bottom of the ventilation chamber respectively have threaded holes, and the screw 66 is threadedly matched with the threaded holes; wherein, a protrusion 621 is connected to the partition plate 62, and the protrusion 621 has a threaded hole connected to the screw 66.

[0049] It should be noted that by threading the screw 66 with the protrusion 621 on the partition 62 and threading the screw 66 with the threaded hole on the insulation board 61, the partition 62 can be fixed on the insulation board 61, thereby improving the stability of the partition 62 during use.

[0050] In addition, the partition 62 can be arranged vertically, or the partition 62 can be arranged inclined. In this embodiment, the partition 62 is described as being arranged inclined.

[0051] In some embodiments, Figures 1 to 6 As shown, the tops of the first ventilation chamber 2 and the second ventilation chamber 3 are detachably connected with a cover plate 7, and the cover plate 7 is connected to the ventilation chamber by bolts; the bottoms of the insulation plates 61 located on the four side walls of the ventilation chamber are in contact with the bottom of the ventilation chamber, the four side walls of the insulation plate 61 located at the bottom of the ventilation chamber are in contact with four vertically arranged insulation plates 61 respectively, and the insulation plate 61 located at the top of the ventilation chamber is overlapped on the tops of the four vertically arranged insulation plates 61.

[0052] It should be noted that six insulation plates 61 are arranged in the ventilation chamber, and the six insulation plates 61 are detachably arranged in the ventilation chamber; avoidance holes are arranged at positions corresponding to the air inlet 21, the air outlet 22 and the exhaust port 23 on the insulation plates 61; specifically, the insulation plates 61 on the four sides are respectively placed on the four side walls in the ventilation chamber, and the bottoms of the insulation plates 61 on the four sides are in contact with the bottom of the ventilation chamber; the bottom insulation plate 61 is located within the area surrounded by the four side insulation plates 61, and the bottom insulation plate 61 is in contact with the bottom of the ventilation chamber; the top insulation plate 61 is overlapped on the top of the four side insulation plates 61, which can reduce the situation where the top insulation plate 61 falls downward. After all the insulation plates 61 are placed in the ventilation chamber, the cover plate 7 is covered on the top of the ventilation chamber and fixed by bolts. Through the above-mentioned arrangement of the present application, it is convenient to disassemble and assemble the insulation plates 61 and the partitions 62 in the ventilation chamber.

[0053] In some embodiments, Figures 1 to 6 As shown, the tops of the four vertically arranged heat preservation plates 61 are respectively provided with plug holes, and the heat preservation plate 61 located at the top of the ventilation chamber has plug posts that are plugged into and matched with the plug holes.

[0054] It should be noted that by setting a socket on the top of the vertically arranged insulation board 61 and setting a column on the top insulation board 61, when the top insulation board 61 is overlapped on the vertically arranged insulation board 61, the column and the socket can be plugged into each other, thereby improving the connection between the top insulation board 61 and the four side insulation boards 61.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A kiln alternating combustion assembly, characterized in that: include: Kiln body; A first ventilation chamber and a second ventilation chamber are respectively arranged on both sides of the kiln body; the first ventilation chamber and the second ventilation chamber are provided with an air inlet, an air outlet and an exhaust port, and the air outlet is connected with the kiln body through a pipeline; A ventilation pipe, one end of which is connected to an air source; the ventilation pipe is provided with ventilation branches connected to the air inlets of the first ventilation chamber and the second ventilation chamber respectively; An exhaust pipe, one end of which is connected to the exhaust gas treatment device; the exhaust pipe is provided with exhaust branch pipes connected to the exhaust ports of the first ventilation chamber and the second ventilation chamber respectively; Wherein, the first ventilation chamber and the second ventilation chamber are both connected with a combustion-supporting pipe, and the combustion-supporting pipe, the ventilation branch pipe and the exhaust branch pipe are all provided with valves; when the first ventilation chamber is ventilated, the second ventilation chamber is exhausted; when the second ventilation chamber is ventilated, the first ventilation chamber is exhausted.

2. A kiln alternating combustion assembly as claimed in claim 1, characterized in that: One end of the combustion-supporting pipe is communicated with the ventilation branch pipe, and the other end of the combustion-supporting pipe is connected to a fan.

3. The kiln alternating combustion assembly according to claim 1, characterized in that: The first ventilation chamber and the second ventilation chamber form a group, and along the length direction of the kiln body, the first ventilation chamber and the second ventilation chamber form a plurality of groups.

4. The kiln alternating combustion assembly according to claim 1, characterized in that: The inner side wall of the first ventilation chamber and the inner side wall of the second ventilation chamber are both provided with a heat insulation structure, and the heat insulation structure is used for heat exchange with the exhaust gas.

5. A kiln alternating combustion assembly as claimed in claim 4, characterized in that: The thermal insulation structure comprises: A heat preservation plate connected to the inner side wall of the ventilation chamber; the side wall of the heat preservation plate is provided with a plurality of through holes; A plurality of partitions are connected to the heat preservation plate; a winding air passage is formed between the plurality of partitions, one end of the air passage is connected to the air inlet and the air outlet, and the other end of the air passage is connected to the air outlet.

6. A kiln alternating combustion assembly as claimed in claim 5, characterized in that: Several of the partitions are arranged in the up-down direction, the partition arranged at the bottom is connected to the insulation board at the bottom of the ventilation chamber, and the partition arranged at the top is connected to the insulation board at the top of the ventilation chamber; wherein the insulation board has a connecting component connected to the partition.

7. A kiln alternating combustion assembly as claimed in claim 6, characterized in that: The connecting component includes two limiting plates, and a slot for inserting and matching the partition is formed between the two limiting plates; the limiting plate located at the top of the ventilation chamber has a first positioning hole, and the partition located at the top of the ventilation chamber has a second positioning hole that can be aligned with the first positioning hole; When the partition plate is plugged into the slot, the first positioning hole is aligned with the second positioning hole, and the partition plate is fixed to the limiting plate by a pin.

8. The kiln alternate combustion assembly according to claim 6, characterized in that: The connecting component includes a screw rod, and the insulation plates located at the top and bottom of the ventilation chamber are respectively provided with threaded holes, and the screw rod is threadedly matched with the threaded holes; Wherein, a protrusion is connected to the partition, and a threaded hole connected to the screw is provided on the protrusion.

9. The kiln alternate combustion assembly according to claim 5, characterized in that: The tops of the first ventilation chamber and the second ventilation chamber are detachably connected with cover plates, and the cover plates are connected to the ventilation chambers by bolts; The bottom of the insulation board located on the four side walls of the ventilation chamber contacts the bottom of the ventilation chamber, the four side walls of the insulation board located at the bottom of the ventilation chamber contact the four vertically arranged insulation boards respectively, and the insulation board located at the top of the ventilation chamber overlaps the top of the four vertically arranged insulation boards.

10. A kiln alternating combustion assembly as claimed in claim 9, characterized in that: The tops of four vertically arranged heat preservation plates are respectively provided with plug holes, and the heat preservation plate located at the top of the ventilation chamber is provided with plug posts which are plugged and matched with the plug holes.

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