Waste heat recovery device for annealing kiln of float glass production line

Abstract

The utility model relates to the technical field of annealing kilns, in particular to a waste heat recovery device for an annealing kiln of a float glass production line. According to the technical scheme, the annealing furnace comprises a bearing base, a gas filtering box and a water storage box, an annealing furnace body is installed on the top end face of the bearing base, and the gas filtering box is installed on the top end face of the annealing furnace body; a filter element is mounted in the air filter box in an attached manner, and an air pump I is mounted on the rear end surface of the air filter box; a fixed pipe and a water storage tank are mounted on the rear end surface of the annealing kiln body; an exhaust pipe is fixedly embedded in the rear end face of the annealing kiln body, and the end, away from the annealing kiln body, of the exhaust pipe is fixedly embedded in a fixing pipe. An atomizing nozzle is mounted in the fixed pipe through a spraying pipe; a water pump is mounted in the water storage tank; and an air pump II is mounted on the side end surface of the fixed pipe. According to the float glass annealing furnace, float glass can be treated by the annealing furnace, entering gas can be treated during treatment, and heat of heat dissipation can be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing furnaces, in particular to a waste heat recovery device for an annealing furnace of a float glass production line. Background Art

[0002] Float glass is widely used and can be divided into tinted glass, float silver mirror, float glass / automotive windshield grade, float glass / various deep processing grades, float glass / scanner grade, float glass / coating grade, and float glass / mirror grade. An important link in the glass production process is the annealing of the glass after it is formed, and float glass needs to be processed in an annealing kiln during production and processing to meet the processing requirements.

[0003] During the processing of existing float glass in the annealing furnace, a large amount of heat is released from the glass. Currently, the hot air is directly discharged into the air, which leads to heat waste. In addition, the annealing furnace needs to be air-intaken to dissipate heat. Direct air intake can easily cause dust and debris in the processing environment to enter the interior, so it needs to be processed and improved. Utility Model Content

[0004] The utility model aims to provide a waste heat recovery device for an annealing furnace of a float glass production line to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a waste heat recovery device for an annealing furnace of a float glass production line, comprising a bearing base, an air filter box and a water storage tank.

[0006] The top surface of the bearing base is equipped with an annealing kiln body, and the top surface of the annealing kiln body is equipped with an air filter box;

[0007] A filter element is fitted in the air filter box, an air pump is installed on the rear end surface of the air filter box, and a connecting pipe is embedded and fixed on the front end surface of the air filter box;

[0008] A fixed pipe and a water storage tank are installed on the rear end surface of the annealing kiln body;

[0009] An exhaust pipe is embedded and fixed on the rear end surface of the annealing furnace body, and one end of the exhaust pipe away from the annealing furnace body is embedded and fixed in the fixed pipe;

[0010] An atomizing nozzle is installed in the fixed pipe through a spray pipe;

[0011] A water pump is installed in the water storage tank, and the water pump is in liquid communication with the spray pipe through a water pumping pipe;

[0012] An air pump 2 is installed on the side end surface of the fixed pipe.

[0013] Preferably, the air pump 1 is provided with an air intake pipe 1 and an air intake pipe 2, and the end of the air intake pipe 1 facing away from the air pump 1 is embedded and fixed in the air filter box, and the air filter box is in gas communication with the air pump 1 through the air intake pipe 1. The end of the air intake pipe 1 facing away from the air pump 1 is embedded and fixed in the air filter box, so that a person can turn on the air pump 1 to inlet air through the air intake pipe 2, and the gas can be discharged into the air filter box through the air intake pipe 1.

[0014] Preferably, the end of the connecting pipe facing away from the air filter box is embedded and fixed in the annealing kiln body, and a valve is installed on the connecting pipe through a flange. The end of the connecting pipe facing away from the air filter box is embedded and fixed in the annealing kiln body, so that the gas entering the air filter box can be discharged into the annealing kiln body through the connecting pipe.

[0015] Preferably, a support block is welded to the bottom end surface of the bearing base, and there are four support blocks in total, and the four support blocks are distributed in a rectangular array relative to the bearing base. The bearing base can be supported and installed by the support blocks.

[0016] Preferably, a water inlet pipe is embedded and fixed on the top surface of the water storage tank, and the water inlet pipe is in liquid communication with the water storage tank. The water for heat exchange can be injected into the water storage tank through the water inlet pipe.

[0017] Preferably, a drain pipe is embedded and fixed on the bottom end surface of the water storage tank, the drain pipe is in liquid communication with the water storage tank, and a valve is installed on the drain pipe through a flange. The water after heat exchange in the water storage tank can be discharged through the drain pipe.

[0018] Preferably, a water outlet pipe is embedded and fixed in the bottom end face of the fixed pipe, and the bottom end face of the water outlet pipe is embedded and fixed in the water tank. By embedding and fixing the bottom end face of the water outlet pipe in the water tank, the water generated by the spray heat exchange in the fixed pipe can be discharged back into the water tank through the water outlet pipe.

[0019] Preferably, the air pump 2 is provided with an exhaust pipe 1 and an exhaust pipe 2, and the end of the exhaust pipe 2 facing away from the air pump 2 is embedded and fixed in the fixed pipe. By embedding and fixing the end of the exhaust pipe 1 facing away from the air pump 2 in the fixed pipe, when the air pump 2 is started, the gas in the fixed pipe is extracted through the exhaust pipe, and the gas in the annealing kiln body is extracted through the exhaust pipe in the fixed pipe, and the extracted gas can be discharged through the exhaust pipe 2.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0021] 1. The utility model sets an air filter box. When personnel transfer float glass into the annealing furnace body for annealing after production, the end of the air inlet pipe 1 away from the air pump 1 is embedded and fixed in the air filter box, so that the personnel can turn on the air pump 1 to intake air through the air inlet pipe 2, and the gas can be discharged into the air filter box through the air inlet pipe 1. The end of the connecting pipe away from the air filter box is embedded and fixed in the annealing furnace body, so that the gas entering the air filter box can be discharged into the annealing furnace body through the connecting pipe, and the gas entering can be filtered through the filter element, so as to avoid dust and debris in the processing environment from being drawn into the annealing furnace body, so that the gas enters the annealing furnace body for circulation, cooling and annealing, so as to meet the normal operation of the annealing furnace body.

[0022] 2. The utility model provides a fixed pipe. When personnel transfer float glass into the annealing furnace body for annealing after production, the end of the exhaust pipe 1 away from the air pump 2 is embedded and fixed in the fixed pipe, so that when the air pump 2 is started, the gas in the fixed pipe is extracted through the exhaust pipe 1, and the gas in the annealing furnace body is extracted through the exhaust pipe in the fixed pipe. The extracted gas can be discharged through the exhaust pipe 2, so that the gas generated by annealing in the annealing furnace body can be discharged into the fixed pipe through the exhaust pipe. When discharging, the personnel can turn on the water pump to extract the heat exchange water stored in the water storage tank through the water pump and inject it into the spray pipe, so that the heat exchange water is discharged and sprayed through the atomizing nozzle, so that the water spray directly exchanges heat with the heat-containing gas discharged from the annealing furnace body, so that the heat is recovered after the water spray, and the water after the heat exchange can be discharged back to the water storage tank through the water outlet pipe for reciprocating heat exchange to heat the water, thereby recovering the waste heat, and the water after the heat exchange can meet the needs of personnel and then be recovered. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the air filter box of the utility model when viewed from above;

[0025] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;

[0027] Figure 5 It is a schematic diagram of the cross-sectional structure of the fixed pipe and the water storage tank of the utility model.

[0028] In the figure: 1. support block; 2. annealing kiln body; 3. bearing base; 4. air filter box; 5. connecting pipe; 6. air pump 1; 7. air inlet pipe 1; 8. filter element; 9. air inlet pipe 2; 10. exhaust pipe; 11. fixed pipe; 12. drain pipe; 13. water storage tank; 14. water inlet pipe; 15. exhaust pipe 1; 16. air pump 2; 17. exhaust pipe 2; 18. spray pipe; 19. water outlet pipe; 20. water pump; 21. water extraction pipe; 22. atomizing nozzle. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] like Figures 1 - 5 As shown, the utility model proposes a waste heat recovery device for an annealing furnace of a float glass production line, comprising a bearing base 3, an air filter box 4 and a water storage tank 13.

[0032] The top surface of the bearing base 3 is installed with the annealing furnace body 2, and the top surface of the annealing furnace body 2 is installed with the air filter box 4;

[0033] A filter element 8 is fitted in the air filter box 4, and an air pump 6 is installed on the rear end surface of the air filter box 4, and a connecting pipe 5 is embedded and fixed on the front end surface of the air filter box 4;

[0034] A fixed pipe 11 and a water storage tank 13 are installed on the rear end surface of the annealing furnace body 2;

[0035] An exhaust pipe 10 is embedded and fixed to the rear end surface of the annealing furnace body 2, and one end of the exhaust pipe 10 away from the annealing furnace body 2 is embedded and fixed in a fixed pipe 11;

[0036] An atomizing nozzle 22 is installed in the fixed pipe 11 through the spray pipe 18;

[0037] A water pump 20 is installed in the water storage tank 13, and the water pump 20 is in liquid communication with the spray pipe 18 through a water pumping pipe 21;

[0038] An air pump 16 is installed on the side end surface of the fixed pipe 11.

[0039] An air intake pipe 17 and an air intake pipe 29 are provided on the air pump 6. The end of the air intake pipe 7 facing away from the air pump 6 is embedded and fixed in the air filter box 4, and the air filter box 4 is connected with the air of the air pump 6 through the air intake pipe 7. The end of the air intake pipe 7 facing away from the air pump 6 is embedded and fixed in the air filter box 4, so that a person can open the air pump 6 to intake air through the air intake pipe 29, and the gas can be discharged into the air filter box 4 through the air intake pipe 7.

[0040] The end of the connecting pipe 5 facing away from the air filter box 4 is embedded and fixed in the annealing kiln body 2, and a valve is installed on the connecting pipe 5 through a flange. The end of the connecting pipe 5 facing away from the air filter box 4 is embedded and fixed in the annealing kiln body 2, so that the gas entering the air filter box 4 can be discharged into the annealing kiln body 2 through the connecting pipe 5, and the opening and closing of the air intake can be controlled by the valve on the connecting pipe 5 during air intake.

[0041] A support block 1 is welded to the bottom end surface of the bearing base 3 . There are four support blocks 1 in total, and the four support blocks 1 are distributed in a rectangular array relative to the bearing base 3 . The bearing base 3 can be supported and installed by the support blocks 1 .

[0042] Based on Example 1: When personnel transfer the float glass into the annealing furnace body 2 for annealing treatment after production, the end of the air inlet pipe 7 facing away from the air pump 6 is embedded and fixed in the air filter box 4, so that the personnel can open the air pump 6 to intake air through the air inlet pipe 29, and the gas can be discharged into the air filter box 4 through the air inlet pipe 7, and the end of the connecting pipe 5 facing away from the air filter box 4 is embedded and fixed in the annealing furnace body 2, so that the gas entering the air filter box 4 can be discharged into the annealing furnace body 2 through the connecting pipe 5, and the incoming gas can be filtered through the filter element 8 to prevent dust and debris in the processing environment from being extracted into the annealing furnace body 2, so that the gas enters the annealing furnace body 2 for circulation, cooling and annealing, thereby meeting the normal operation of the annealing furnace body 2.

[0043] Embodiment 2

[0044] like Figures 1 - 5 As shown, the waste heat recovery device for the annealing furnace of a float glass production line proposed by the utility model, compared with the first embodiment, this embodiment also includes: a bearing base 3, an air filter box 4 and a water storage tank 13,

[0045] The top surface of the bearing base 3 is installed with the annealing furnace body 2, and the top surface of the annealing furnace body 2 is installed with the air filter box 4;

[0046] A filter element 8 is fitted in the air filter box 4, and an air pump 6 is installed on the rear end surface of the air filter box 4, and a connecting pipe 5 is embedded and fixed on the front end surface of the air filter box 4;

[0047] A fixed pipe 11 and a water storage tank 13 are installed on the rear end surface of the annealing furnace body 2;

[0048] An exhaust pipe 10 is embedded and fixed to the rear end surface of the annealing furnace body 2, and one end of the exhaust pipe 10 away from the annealing furnace body 2 is embedded and fixed in a fixed pipe 11;

[0049] An atomizing nozzle 22 is installed in the fixed pipe 11 through the spray pipe 18;

[0050] A water pump 20 is installed in the water storage tank 13, and the water pump 20 is in liquid communication with the spray pipe 18 through a water pumping pipe 21;

[0051] An air pump 16 is installed on the side end surface of the fixed pipe 11.

[0052] A water inlet pipe 14 is embedded and fixed on the top surface of the water tank 13, and the water inlet pipe 14 is in liquid communication with the water tank 13. Water for heat exchange can be injected into the water tank 13 through the water inlet pipe 14. The water for heat exchange can be filtered water or water required for glass production. After the water is injected, a sealing cover can be installed to close the water inlet pipe 14.

[0053] A drain pipe 12 is embedded and fixed on the bottom end surface of the water tank 13. The drain pipe 12 is in liquid communication with the water tank 13, and a valve is installed on the drain pipe 12 through a flange. The water after heat exchange in the water tank 13 can be discharged through the drain pipe 12, and the valve on the drain pipe 12 can be opened and closed during discharge.

[0054] A water outlet pipe 19 is embedded and fixed in the bottom end surface of the fixed pipe 11, and the bottom end surface of the water outlet pipe 19 is embedded and fixed in the water tank 13. By embedding and fixing the bottom end surface of the water outlet pipe 19 in the water tank 13, the water generated by spraying heat exchange in the fixed pipe 11 can be discharged back into the water tank 13 through the water outlet pipe 19.

[0055] The air pump 16 is provided with an exhaust pipe 15 and an exhaust pipe 17, and the end of the exhaust pipe 15 facing away from the air pump 16 is embedded and fixed in the fixed pipe 11, so that when the air pump 16 is started, the gas in the fixed pipe 11 is extracted through the exhaust pipe 15, and the gas in the annealing kiln body 2 is extracted through the exhaust pipe 10 in the fixed pipe 11, and the extracted gas can be discharged through the exhaust pipe 17.

[0056] Based on Example 2: When the float glass is transferred to the annealing furnace body 2 for annealing after production, the end of the exhaust pipe 15 away from the air pump 2 16 is embedded in the fixed pipe 11, so that when the air pump 2 16 is started, the gas in the fixed pipe 11 is extracted through the exhaust pipe 15, and the gas in the annealing furnace body 2 is extracted through the exhaust pipe 10 in the fixed pipe 11. The extracted gas can be discharged through the exhaust pipe 2 17, so that the gas generated by annealing in the annealing furnace body 2 can be discharged through the exhaust pipe 10. 10 is discharged into the fixed pipe 11. When discharging, the personnel can turn on the water pump 20 to extract the heat exchange water stored in the water storage tank 13 through the water pumping pipe 21 and inject it into the spray pipe 18, so that the heat exchange water is discharged and sprayed through the atomizing nozzle 22, so that the water spraying and the heat-containing gas discharged from the annealing kiln body 2 are directly exchanged with each other, so that the heat is recovered after the water spraying, and the water after the heat exchange can be discharged back into the water storage tank 13 through the water outlet pipe 19 for reciprocating heat exchange to heat the water, thereby recovering the waste heat.

[0057] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A waste heat recovery device for an annealing furnace of a float glass production line, comprising a bearing base (3), an air filter box (4) and a water storage tank (13), characterized in that: The top surface of the bearing base (3) is mounted with an annealing kiln body (2), and the top surface of the annealing kiln body (2) is mounted with an air filter box (4); A filter element (8) is fitted in the air filter box (4), an air pump (6) is installed on the rear end surface of the air filter box (4), and a connecting pipe (5) is embedded and fixed on the front end surface of the air filter box (4); A fixed pipe (11) and a water storage tank (13) are installed on the rear end surface of the annealing kiln body (2); An exhaust pipe (10) is embedded and fixed on the rear end surface of the annealing furnace body (2), and one end of the exhaust pipe (10) facing away from the annealing furnace body (2) is embedded and fixed in a fixing pipe (11); An atomizing nozzle (22) is installed in the fixed pipe (11) via a spray pipe (18); A water pump (20) is installed in the water storage tank (13), and the water pump (20) is in liquid communication with the spray pipe (18) via a water pumping pipe (21); An air pump 2 (16) is installed on the side end surface of the fixed pipe (11).

2. A float glass production line annealing furnace waste heat recovery device according to claim 1, characterized in that: The air pump one (6) is provided with an air intake pipe one (7) and an air intake pipe two (9); one end of the air intake pipe one (7) facing away from the air pump one (6) is embedded and fixed in the air filter box (4); and the air filter box (4) is in gas communication with the air pump one (6) via the air intake pipe one (7).

3. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: One end of the connecting pipe (5) facing away from the air filter box (4) is embedded and fixed in the annealing furnace body (2), and a valve is installed on the connecting pipe (5) via a flange.

4. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: A support block (1) is welded to the bottom end surface of the bearing base (3), and a total of four support blocks (1) are provided, and the four support blocks (1) are distributed in a rectangular array relative to the bearing base (3).

5. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: A water inlet pipe (14) is embedded and fixed on the top surface of the water storage tank (13), and the water inlet pipe (14) is in liquid communication with the water storage tank (13).

6. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: A drainage pipe (12) is embedded and fixed in the bottom end surface of the water storage tank (13); the drainage pipe (12) is in liquid communication with the water storage tank (13); and a valve is installed on the drainage pipe (12) via a flange.

7. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: A water outlet pipe (19) is embedded and fixed in the bottom end surface of the fixed pipe (11), and the bottom end surface of the water outlet pipe (19) is embedded and fixed in the water storage tank (13).

8. The waste heat recovery device for annealing furnace of a float glass production line according to claim 1, characterized in that: The air pump 2 (16) is provided with an air extraction pipe 1 (15) and an air extraction pipe 2 (17), and one end of the air extraction pipe 1 (15) away from the air pump 2 (16) is embedded and fixed in the fixed pipe (11).

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