Waste heat utilization device of aerated concrete still kettle

Abstract

The utility model is suitable for the technical field of aerated concrete autoclave, and provides a waste heat utilization device of an aerated concrete autoclave, which comprises a filter bin, a purification bin and an aerated concrete autoclave waste heat bin, disassembling and assembling structures are evenly arranged on the inner wall of the aerated concrete still kettle waste heat bin, a temperature sensor is installed at the bottom end of one side in the aerated concrete still kettle waste heat bin, a filtering bin is installed on one side of the aerated concrete still kettle waste heat bin, an air inlet is formed in one side of the filtering bin, and an air inlet pipe is installed at the top end of one side of the filtering bin. According to the utility model, the filter plate is arranged in the filter bin, the purpose of filtering waste gas entering the heat exchange tube can be realized by utilizing the filter plate, and impurity particles accumulated on the filter plate can be scraped by utilizing the fixed air cylinder to act on the brush to move up and down, so that the purpose of cleaning the impurity particles is realized, and the speed of blocking the filter plate by the impurity particles is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of aerated concrete autoclave, and in particular relates to a waste heat utilization device of an aerated concrete autoclave. Background Art

[0002] The autoclave is a piece of equipment required in the production process of aerated concrete. It is a large pressure vessel with a bulky volume and heavy weight, including a kettle body, a kettle cover, a swing device, a hand-cranked reducer and other components. When the autoclave is in use, a large amount of high-temperature exhaust gas will be generated. If the high-temperature exhaust gas is discharged directly, a large amount of heat loss will be caused, making it impossible to fully utilize the limited energy. Therefore, a waste heat utilization device is needed to recover the heat in the high-temperature exhaust gas.

[0003] The patent specification with the publication number CN213120201U discloses a waste heat utilization device for an aerated concrete autoclave, which has a sealed waste heat collector container, in which a heat exchange tube is arranged, and the boiler softened water to be heated flows in from the lower heat exchange tube of the device and flows out from the upper heat exchange tube, and the high-temperature waste steam and waste water discharged from the autoclave enters the waste heat collector container through the autoclave sewage pipe interface, and then heats the heat exchange tube and the softened water in the heat exchange tube, and cools the waste steam and waste water, and then the waste steam and waste water are discharged from the device through the sewage outlet. The utility model realizes the use of waste heat to heat the boiler softened water, saving some energy, and cools the waste steam and waste water to protect the atmospheric environment. This waste heat utilization device has shortcomings when used:

[0004] 1. When the waste heat utilization device of the aerated concrete autoclave is in use, it is not convenient to filter the exhaust gas entering the heat exchange tube, which causes the impurity particles in the exhaust gas to easily block the heat exchange tube, affecting the heat exchange efficiency of the heat exchange tube;

[0005] 2. The waste heat utilization device of the aerated concrete autoclave is not convenient for disassembling the heat exchange tubes, which makes it difficult to clean the heat exchange tubes. Therefore, it is necessary to develop a waste heat utilization device of the aerated concrete autoclave to solve the above problems. Utility Model Content

[0006] The utility model provides a waste heat utilization device for an aerated concrete autoclave, aiming to solve the problem that the existing device is inconvenient for filtering the waste gas entering the heat exchange pipe.

[0007] The utility model is implemented in this way. A waste heat utilization device of an aerated concrete autoclave comprises: a filter bin, a purification bin and a waste heat bin of an aerated concrete autoclave, a heat exchange pipe is installed inside the waste heat bin of the aerated concrete autoclave, a disassembly structure is evenly arranged on the inner wall of the waste heat bin of the aerated concrete autoclave, a temperature sensor is installed at the bottom end of one side of the waste heat bin of the aerated concrete autoclave, the filter bin is installed on one side of the waste heat bin of the aerated concrete autoclave, an air inlet is installed on one side of the filter bin, an air inlet pipe is installed on the top end of one side of the filter bin, and a A filtering structure, wherein the filtering structure includes a filter plate, a brush, a cylinder seat and a fixed cylinder, the filter plate is installed inside the filter bin, the cylinder seat is installed at the top of the filter bin, the fixed cylinder is installed at the top of the cylinder seat, the brushes are installed on both sides of the bottom of the fixed cylinder, the purification bin is installed on the other side of the aerated concrete autoclave waste heat bin, an air outlet pipe is installed at the bottom end of one side inside the purification bin, flanges are installed between the air outlet pipe and the heat exchange pipe and between the air inlet pipe and the heat exchange pipe, and locking bolts are evenly installed on the flanges, and a purification structure is provided inside the purification bin.

[0008] Preferably, the brushes are symmetrically arranged, and the brushes are vertically and centrally distributed symmetrically through the cylinder seat. The cleaning efficiency of the filter plate can be improved by symmetrically arranged brushes.

[0009] Preferably, the purification structure includes a cover plate, an air outlet, a through hole, a bracket, a fixing screw and an activated carbon filter element, the bracket is installed inside the purification chamber, the through holes are arranged on both sides inside the bracket, the activated carbon filter element is installed at the top of the bracket, the fixing screw is fixed at the bottom of the activated carbon filter element, the cover plate is installed at the top of the purification chamber, and the air outlet is installed at the top of the cover plate. The purification structure can adsorb and purify the waste gas.

[0010] Preferably, a thread groove is provided on the inner wall of the fixing screw, and the fixing screw is engaged with the bracket through the thread. The setting of the fixing screw facilitates the disassembly and assembly of the activated carbon filter element.

[0011] Preferably, the disassembly structure includes a fixing frame, a limiting bolt, a lower clamping plate and an upper clamping plate, the fixing frame is evenly installed on the inner wall of the aerated concrete autoclave waste heat bin, the upper clamping plates are installed at the top of the fixing frame, the lower clamping plates are installed at the bottom of the fixing frame, and the limiting bolts are installed at one end of the fixing frame. The disassembly structure is convenient for disassembly and assembly of the heat exchange tube.

[0012] Preferably, the width of the fixing frame is greater than the diameter of the heat exchange tube, and the fixing frames are arranged at equal intervals on the inner wall of the aerated concrete autoclave waste heat bin. The fixing efficiency of the heat exchange tube can be improved by arranging the fixing frames at equal intervals.

[0013] Preferably, a fixing threaded hole is provided at the bottom of one end of the surface of the lower clamping plate. The setting of the fixing threaded hole facilitates the fixing of the lower clamping plate.

[0014] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0015] The filter plate arranged inside the filter bin can filter the exhaust gas entering the heat exchange tube. The fixed cylinder drives the brush to move up and down to scrape off the impurity particles accumulated on the filter plate, thereby cleaning it and slowing down the speed at which the impurity particles clog the filter plate.

[0016] By removing the limit bolts evenly arranged on the inner wall of the waste heat bin of the aerated concrete autoclave, the limit bolts are removed to release the fixing restriction on the lower clamping plate, the lower clamping plate is moved downward, and the distance between the lower clamping plate and the upper clamping plate is increased, so as to achieve the purpose of disassembling the heat exchange tube for cleaning;

[0017] By installing an activated carbon filter inside the purification chamber, the exhaust gas after heat exchange can be adsorbed and purified using the activated carbon filter. Open the cover and rotate the activated carbon filter until the fixed screw is withdrawn from the bracket to achieve the purpose of removing the activated carbon filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 The utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 It is a partial front view cross-sectional structural schematic diagram of the purification structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the activated carbon filter element of the utility model;

[0022] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the filtering structure of the utility model;

[0023] In the figure: 1. air inlet; 2. filter chamber; 3. filter structure; 301. filter plate; 302. brush; 303. cylinder seat; 304. fixed cylinder; 4. temperature sensor; 5. heat exchange tube; 6. flange; 7. air outlet pipe; 8. locking bolt; 9. purification chamber; 10. purification structure; 1001. cover plate; 1002. air outlet; 1003. through hole; 1004. bracket; 1005. fixing screw; 1006. activated carbon filter element; 11. waste heat chamber of aerated concrete autoclave; 12. disassembly and assembly structure; 1201. fixing frame; 1202. limiting bolt; 1203. lower clamping plate; 1204. upper clamping plate; 13. air inlet pipe. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The utility model provides a waste heat utilization device for an aerated concrete autoclave, such as Figure 1-5As shown, it includes: a filter bin 2, a purification bin 9 and an aerated concrete autoclave waste heat bin 11, a heat exchange tube 5 is installed inside the aerated concrete autoclave waste heat bin 11, a temperature sensor 4 is installed at the bottom end of one side of the aerated concrete autoclave waste heat bin 11, the filter bin 2 is installed on one side of the aerated concrete autoclave waste heat bin 11, an air inlet 1 is installed on one side of the filter bin 2, an air inlet pipe 13 is installed on the top of one side of the filter bin 2, and a filter structure 3 is arranged inside the filter bin 2, wherein the filter structure 3 includes a filter plate 301, a brush 302, a cylinder seat 303 and a fixed cylinder 304, the filter plate 301 is installed inside the filter bin 2, the cylinder seat 303 is installed at the top of the filter bin 2, the fixed cylinder 304 is installed at the top of the cylinder seat 303, the brushes 302 are installed on both sides of the bottom of the fixed cylinder 304, the brushes 302 are symmetrically arranged, and the brushes 302 are vertically symmetrically distributed through the cylinder seat 303.

[0027] The purification chamber 9 is installed on the other side of the aerated concrete autoclave waste heat chamber 11, and an air outlet pipe 7 is installed at the bottom end of one side of the purification chamber 9. Flanges 6 are installed between the air outlet pipe 7 and the heat exchange pipe 5 and between the air inlet pipe 13 and the heat exchange pipe 5, and locking bolts 8 are evenly installed on the flanges 6. A purification structure 10 is arranged inside the purification chamber 9, and the purification structure 10 includes a cover plate 1001, an air outlet 1002, a through hole 1003, a bracket 1004, a fixing screw 1005 and an activated carbon filter element 1006 The bracket 1004 is installed inside the purification chamber 9, the through holes 1003 are arranged on both sides of the bracket 1004, the activated carbon filter element 1006 is installed at the top of the bracket 1004, the fixing screw 1005 is fixed at the bottom end of the activated carbon filter element 1006, and a thread groove is opened on the inner wall of the fixing screw 1005. The fixing screw 1005 is engaged with the bracket 1004 through a thread, the cover plate 1001 is installed at the top of the purification chamber 9, and the air outlet 1002 is installed at the top of the cover plate 1001.

[0028] It should be noted that, since the waste heat utilization device of the existing aerated concrete autoclave is not convenient for filtering the exhaust gas entering the heat exchange tube 5 when in use, the impurity particles in the exhaust gas are easy to clog the heat exchange tube 5, affecting the heat exchange efficiency of the heat exchange tube 5. Therefore, in order to solve the above problem, this scheme can achieve the purpose of filtering the exhaust gas entering the heat exchange tube 5 by adding a filtering structure 3.

[0029] Specifically, in this embodiment, when in use, the high-temperature exhaust gas discharged from the aerated concrete autoclave enters from the air inlet 1, is filtered through the filter plate 301, enters the heat exchange tube 5 through the air inlet pipe 13, and exchanges heat with the condensing medium in the waste heat bin 11 of the aerated concrete autoclave to recover the heat. The exhaust gas enters the purification bin 9 through the air outlet pipe 7, is adsorbed and purified by the activated carbon filter element 1006, and is discharged from the air outlet 1002.

[0030] The fixed cylinder 304 is started, and the brush 302 moves up and down, so as to scrape off the foreign particles accumulated on the filter plate 301, thereby slowing down the speed at which the foreign particles clog the filter plate 301 and improving its filtering efficiency.

[0031] Open the cover 1001, rotate the activated carbon filter element 1006, and move the fixing screw 1005 away from the bracket 1004 until the fixing screw 1005 is withdrawn from the bracket 1004, and then take out the activated carbon filter element 1006 for replacement.

[0032] In a further preferred embodiment of the utility model, a disassembly and assembly structure 12 is evenly arranged on the inner wall of the aerated concrete autoclave waste heat bin 11, and the disassembly and assembly structure 12 includes a fixing frame 1201, a limiting bolt 1202, a lower clamping plate 1203 and an upper clamping plate 1204. The fixing frame 1201 is evenly installed on the inner wall of the aerated concrete autoclave waste heat bin 11, the width of the fixing frame 1201 is greater than the diameter of the heat exchange tube 5, and the fixing frame 1201 is arranged at equal intervals on the inner wall of the aerated concrete autoclave waste heat bin 11, the upper clamping plates 1204 are all installed at the top inside the fixing frame 1201, the lower clamping plates 1203 are all installed at the bottom inside the fixing frame 1201, a fixing threaded hole is provided at the bottom of one end of the surface of the lower clamping plate 1203, and the limiting bolts 1202 are all installed at one end of the fixing frame 1201.

[0033] In this embodiment, when the heat exchange tube 5 needs to be cleaned, the locking bolt 8 is removed, the flange 6 is removed, the limit bolt 1202 is removed, the fixing restriction on the lower clamping plate 1203 is released, the lower clamping plate 1203 is moved downward, the distance between the lower clamping plate 1203 and the upper clamping plate 1204 is increased, the fixing restriction on the heat exchange tube 5 is released, and the heat exchange tube 5 is taken out for cleaning.

[0034] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0035] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0036] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A waste heat utilization device for an aerated concrete autoclave, characterized in that: include: A filtering chamber (2), a purification chamber (9) and an aerated concrete autoclave waste heat chamber (11); A heat exchange pipe (5) is installed inside the aerated concrete autoclave waste heat bin (11), a disassembly structure (12) is evenly arranged on the inner wall of the aerated concrete autoclave waste heat bin (11), and a temperature sensor (4) is installed at the bottom end of one side inside the aerated concrete autoclave waste heat bin (11); The filter bin (2) is installed on one side of the aerated concrete autoclave waste heat bin (11), an air inlet (1) is installed on one side of the filter bin (2), and an air inlet pipe (13) is installed at the top end of one side of the filter bin (2); A filtering structure (3) is provided inside the filtering chamber (2); Wherein, the filtering structure (3) comprises a filtering plate (301), a brush (302), a cylinder seat (303) and a fixed cylinder (304); The filter plate (301) is installed inside the filter bin (2); The cylinder seat (303) is installed on the top of the filter bin (2); The fixed cylinder (304) is installed on the top of the cylinder seat (303); The brushes (302) are mounted on both sides of the bottom end of the fixed cylinder (304); The purification chamber (9) is installed on the other side of the aerated concrete autoclave waste heat chamber (11), and an air outlet pipe (7) is installed at the bottom end of one side of the interior of the purification chamber (9). Flanges (6) are installed between the air outlet pipe (7) and the heat exchange pipe (5) and between the air inlet pipe (13) and the heat exchange pipe (5), and locking bolts (8) are evenly installed on the flanges (6); A purification structure (10) is provided inside the purification chamber (9).

2. The waste heat utilization device of an aerated concrete autoclave according to claim 1, characterized in that: The brushes (302) are symmetrically arranged, and the brushes (302) are vertically and centrally symmetrically distributed through the cylinder seat (303).

3. The waste heat utilization device of an aerated concrete autoclave according to claim 1, characterized in that: The purification structure (10) comprises a cover plate (1001), an air outlet (1002), a through hole (1003), a bracket (1004), a fixing screw (1005) and an activated carbon filter element (1006); The support (1004) is installed inside the purification chamber (9), and the through holes (1003) are arranged on both sides inside the support (1004); The activated carbon filter element (1006) is mounted on the top end of the bracket (1004), and the fixing screw (1005) is fixed on the bottom end of the activated carbon filter element (1006); The cover plate (1001) is installed at the top of the purification chamber (9), and the air outlet (1002) is installed at the top of the cover plate (1001).

4. The waste heat utilization device of an aerated concrete autoclave according to claim 3, characterized in that: A thread groove is provided on the inner wall of the fixing screw (1005), and the fixing screw (1005) is meshed with the bracket (1004) through a thread.

5. The waste heat utilization device of an aerated concrete autoclave according to claim 1, characterized in that: The disassembly and assembly structure (12) comprises a fixing frame (1201), a limiting bolt (1202), a lower clamping plate (1203) and an upper clamping plate (1204); the fixing frame (1201) is evenly mounted on the inner wall of the aerated concrete autoclave waste heat bin (11); the upper clamping plates (1204) are mounted at the top end of the fixing frame (1201); the lower clamping plates (1203) are mounted at the bottom end of the fixing frame (1201); and the limiting bolts (1202) are mounted at one end of the fixing frame (1201).

6. The waste heat utilization device of an aerated concrete autoclave according to claim 5, characterized in that: The width of the fixing frames (1201) is greater than the diameter of the heat exchange tube (5), and the fixing frames (1201) are arranged at equal intervals on the inner wall of the aerated concrete autoclave waste heat bin (11).

7. The waste heat utilization device of an aerated concrete autoclave according to claim 5, characterized in that: A fixing threaded hole is provided at the bottom of one end of the surface of the lower clamping plate (1203).

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