Waste heat recovery device of double-layer tentering setting machine

Abstract

The utility model discloses a waste heat recovery device of a double-layer tentering setting machine, which comprises a heat exchange box and a filtering piece, an air inlet pipe and an exhaust pipe are respectively arranged on the symmetrical vertical end faces of the two sides of the heat exchange box, one end of the air inlet pipe is communicated and fixed on the end face of one side of the heat exchange box, and one end of the exhaust pipe is communicated and fixed on the end face of the other side of the heat exchange box. The other end of the exhaust pipe is fixed to the air inlet end of the setting machine, a heat exchange pipe is arranged in the heat exchange box, the air inlet end of the heat exchange pipe fixedly communicates with a screw cylinder, and a plurality of heat exchange pieces are evenly fixed to the outer wall of the heat exchange pipe. According to the utility model, the problems that the inner wall of the recovery pipeline is thickened, the heat transfer efficiency is influenced, and the preheating recovery heat exchange effect is influenced due to the fact that impurities and particles in the tail gas directly enter the recovery pipeline and are adhered to the inner wall of the recovery pipeline in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stentering machines, in particular to a waste heat recovery device for a double-layer stentering stentering machine. Background Art

[0002] The fabric setting machine oven is a device that uses high temperature to bake fabrics. Air is filled into the oven, and the air contacts the heating equipment in the oven. The air carries heat and is injected into the fabric. The hot air contacts the fabric for drying. A lot of waste gas will be generated in the fabric drying production. These waste gases are generally filtered and purified and then directly discharged into the atmosphere. However, most of these waste gases are high-temperature gases. Direct discharge causes a lot of energy loss, which is not conducive to the long-term production of the enterprise.

[0003] The existing announcement number is CN215909738U, and the name is a waste heat recovery device for a shaping machine, including a waste heat recovery device body, the waste heat recovery device body includes a heat exchange box, one end of the heat exchange box is provided with an air inlet, and the other end is provided with an air outlet, a plurality of heat exchange tubes are arranged in the heat exchange box, and a first annular groove is arranged on the heat exchange tube, a circular baffle plate is arranged inside the heat exchange tube, and a second annular groove is arranged on the circular baffle plate. By arranging the first annular groove on the heat exchange tube, the effect of the heat exchange tube in coping with thermal expansion and contraction can be improved, and the service life of the heat exchange tube can be improved. By arranging the circular baffle plate in the heat exchange tube, the circulation speed of the hot air in the heat exchange tube can be reduced, thereby improving the heat exchange efficiency.

[0004] However, when the fabric shaping machine is used for drying, the fabric exhaust gas generated is directly guided to the waste heat recovery device body, which causes the dust impurities and fabric particles in the fabric exhaust gas to directly enter the recovery pipe, causing the impurities and particles in the exhaust gas to adhere to the inner wall of the recovery pipe, which causes the inner wall of the recovery pipe to thicken, thereby affecting the heat transfer efficiency and the preheating recovery heat exchange effect. Utility Model Content

[0005] The utility model aims to provide a waste heat recovery device for a double-layer stenter setting machine, aiming to improve the above-mentioned problems.

[0006] The utility model is achieved in this way:

[0007] A waste heat recovery device for a double-layer stentering setting machine comprises a heat exchange box and a filter element. An air inlet pipe and an exhaust pipe are respectively arranged on the symmetrical vertical end faces on both sides of the heat exchange box. One end of the air inlet pipe is connected and fixed to one end face of the heat exchange box, one end of the exhaust pipe is connected and fixed to the other end face of the heat exchange box, and the other end of the exhaust pipe is fixed to the air inlet end of the setting machine. A heat exchange pipe is arranged inside the heat exchange box, and the air inlet end of the heat exchange pipe is fixedly connected to a screw barrel, and a plurality of heat exchange plates are evenly fixed on the outer wall of the heat exchange pipe. The filter element comprises a filter cartridge, a mesh cylinder is vertically fixed inside the filter cartridge, and the bottom end of the mesh cylinder is open, the top end of the filter cartridge is assembled and connected to the screw barrel, and the bottom end of the filter cartridge is open, and the bottom end of the filter cartridge is assembled and connected to a blanking barrel.

[0008] Furthermore, the top end of the filter cartridge is opened, and the top of the inner circumferential surface of the filter cartridge is provided with a first internal thread, and the first internal thread is assembled and connected with the screw barrel thread.

[0009] Furthermore, the top end of the blanking barrel is opened, and a second internal thread is provided at the top of the inner circumferential surface of the blanking barrel.

[0010] Furthermore, a screw ring is connected and fixed to the bottom end of the filter cartridge, and the screw ring is threadably assembled with the second internal thread in the blanking barrel.

[0011] Furthermore, an air pump is connected and fixed on the air intake pipe, and a mesh shell is connected and fixed on the top end of the air intake pipe.

[0012] Furthermore, an air intake tube is connected and fixed on the blanking tube, and one end of the air intake tube is connected and fixed to the end of the exhaust pipe of the shaping machine.

[0013] Furthermore, a heat-insulating sleeve is fixed to the outside of the heat exchange box.

[0014] Compared with the prior art, the beneficial effect of the utility model is as follows: during use, the intake pipe tube connected and fixed on the outer wall of the blanking barrel is connected and fixed with the exhaust pipe, the exhaust gas enters the blanking barrel, the exhaust gas enters the filter cylinder upward, the impurities in the exhaust gas are filtered by the mesh cylinder to remove the impurities, the exhaust gas enters the heat exchange tube upward, the impurities and dust blocked by the mesh cylinder fall downward into the blanking barrel, and then the air pump on the intake pipe is started to drive the external air into the heat exchange box, the air moves in the heat exchange box, the air contacts the outer wall of the heat exchange tube, the exhaust gas heat is transferred to the air through the heat exchange tube wall, and then re-introduced into the oven of the shaping machine for drying treatment, thereby completing the recovery of heat in the exhaust gas, and at the same time, the exhaust gas is filtered to prevent impurities and particles in the exhaust gas from adhering to the inner wall of the recovery pipe, which leads to the thickening of the inner wall of the recovery pipe, thereby affecting the heat transfer efficiency and the preheating recovery heat exchange effect, thereby ensuring the heat recovery heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the heat exchange tube in the decomposed state in the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the filter element in the embodiment of the utility model in the decomposed state;

[0020] Figure 5 It is a schematic diagram of the structure of the heat exchange box in the decomposed state in the embodiment of the utility model.

[0021] In the figure: 1, heat exchange box; 2, filter element; 21, filter cartridge; 211, first internal thread; 212, screw ring; 22, mesh cylinder; 23, blanking cylinder; 231, second internal thread; 24, air inlet tube; 3, air inlet pipe; 31, air pump; 32, mesh shell; 4, exhaust pipe; 5, heat exchange tube; 51, heat exchange plate; 52, screw cylinder; 6, insulation sleeve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a waste heat recovery device for a double-layer stentering setting machine comprises a heat exchange box 1 and a filter element 2. An air inlet pipe 3 and an exhaust pipe 4 are respectively arranged on the vertical end faces on both sides of the heat exchange box 1. One end of the air inlet pipe 3 is connected and fixed to one end face of the heat exchange box 1, and one end of the exhaust pipe 4 is connected and fixed to the other end face of the heat exchange box 1, and the other end of the exhaust pipe 4 is fixed to the air inlet end of the setting machine. A heat exchange pipe 5 is arranged inside the heat exchange box 1, and the air inlet end of the heat exchange pipe 5 is fixedly connected to a screw barrel 52, and a plurality of heat exchange plates 51 are evenly fixed on the outer wall of the heat exchange pipe 5. The filter element 2 comprises a filter cartridge 21, a mesh cylinder 22 is vertically fixed inside the filter cartridge 21, and the bottom end of the mesh cylinder 22 is open, the top end of the filter cartridge 21 is assembled and connected to the screw barrel 52, and the bottom end of the filter cartridge 21 is open, and the bottom end of the filter cartridge 21 is assembled and connected to a blanking barrel 23, and an insulation sleeve 6 is fixed to the outside of the heat exchange box 1. The blanking barrel is used The air intake tube 24 connected and fixed on the outer wall of 23 is connected and fixed with the exhaust gas pipeline, the exhaust gas enters the blanking tube 23, the exhaust gas goes up into the filter tube 21, the impurities in the exhaust gas are filtered and removed by the mesh tube 22, the exhaust gas goes up into the heat exchange tube 5, the impurities and dust blocked by the mesh tube 22 fall down into the blanking tube 23, and then the air pump 31 on the air intake pipe 3 is started to drive the external air into the heat exchange box 1, the air moves in the heat exchange box 1, the air contacts the outer wall of the heat exchange tube 5, the heat of the exhaust gas is transferred to the air through the wall of the heat exchange tube 5, and then it is re-introduced into the oven of the setting machine for drying, thereby completing the recovery of heat in the exhaust gas, and at the same time filtering the exhaust gas to prevent impurities and particles in the exhaust gas from adhering to the inner wall of the recovery pipe, which leads to the thickening of the inner wall of the recovery pipe, thereby affecting the heat transfer efficiency, affecting the problem of preheating recovery heat exchange effect, and ensuring the heat recovery heat exchange effect.

[0024] See also Figure 4 The top end of the filter cartridge 21 is opened, and the top of the inner circumferential surface of the filter cartridge 21 is provided with a first internal thread 211, and the first internal thread 211 is threadedly assembled and connected with the screw barrel 52. The top end of the blanking barrel 23 is opened, and the top of the inner circumferential surface of the blanking barrel 23 is provided with a second internal thread 231. The bottom end of the filter cartridge 21 is connected and fixed with a screw ring 212, and the screw ring 212 is threadedly assembled with the second internal thread 231 in the blanking barrel 23. During use, the top of the filter cartridge 21 is threadedly assembled and connected with the screw barrel 52, which is convenient for disassembly for replacement and cleaning. At the same time, the blanking barrel 23 is rotated to disassemble the blanking barrel 23 in the filter cartridge 21 to clean and dump dust.

[0025] See also Figure 5An air pump 31 is connected and fixed on the air intake pipe 3, and a mesh shell 32 is connected and fixed at the top of the air intake pipe 3. An air intake tube 24 is connected and fixed on the blanking cylinder 23, and one end of the air intake tube 24 is connected and fixed to the end of the exhaust pipe of the shaping machine. During use, the air pump 31 on the air intake pipe 3 is started to drive external air into the heat exchange box 1.

[0026] Working principle: During use, the air intake tube 24 connected and fixed on the outer wall of the blanking barrel 23 is connected and fixed to the exhaust gas pipeline, the exhaust gas enters the blanking barrel 23, and the exhaust gas goes up into the filter barrel 21. The impurities in the exhaust gas are filtered by the mesh barrel 22 to remove the impurities, and the exhaust gas goes up into the heat exchange tube 5. The impurities and dust blocked by the mesh barrel 22 fall down into the blanking barrel 23, and then the air pump 31 on the air intake pipe 3 is started to drive the external air into the heat exchange box 1. The air moves in the heat exchange box 1, and the air contacts the outer wall of the heat exchange tube 5, and the heat of the exhaust gas is transferred to the air through the wall of the heat exchange tube 5, and then re-introduced into the oven of the shaping machine for drying, thereby completing the recovery of heat in the exhaust gas.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A waste heat recovery device for a double-layer stenter setting machine, characterized in that: The invention comprises a heat exchange box (1) and a filter element (2), wherein an air intake pipe (3) and an air exhaust pipe (4) are respectively arranged on two symmetrical vertical end faces of the heat exchange box (1), one end of the air intake pipe (3) is connected and fixed to one end face of the heat exchange box (1), one end of the air exhaust pipe (4) is connected and fixed to the other end face of the heat exchange box (1), and the other end of the air exhaust pipe (4) is fixed to the air intake end of the setting machine, and a heat exchange pipe (5) is arranged inside the heat exchange box (1), and the heat exchange pipe (5) ) is fixedly connected to a screw barrel (52) at its air inlet end, a plurality of heat exchange plates (51) are evenly fixed on the outer wall of the heat exchange tube (5), the filter element (2) comprises a filter cartridge (21), a mesh cylinder (22) is vertically fixed inside the filter cartridge (21), and the bottom end of the mesh cylinder (22) is open, the top end of the filter cartridge (21) is assembled and connected to the screw barrel (52), the bottom end of the filter cartridge (21) is open, and the bottom end of the filter cartridge (21) is assembled and connected to a blanking barrel (23).

2. A waste heat recovery device for a double-layer stenter setting machine according to claim 1, characterized in that: The top end of the filter cartridge (21) is open, and the top of the inner circumferential surface of the filter cartridge (21) is provided with a first internal thread (211), and the first internal thread (211) is threadedly assembled and connected to the screw barrel (52).

3. The waste heat recovery device of a double-layer stenter setting machine according to claim 2, characterized in that: The top end of the blanking barrel (23) is open, and the top of the inner circumferential surface of the blanking barrel (23) is provided with a second internal thread (231).

4. The waste heat recovery device for a double-layer stenter setting machine according to claim 3, characterized in that: A screw ring (212) is fixedly connected to the bottom end of the filter cartridge (21), and the screw ring (212) is threadedly assembled with a second internal thread (231) in the blanking barrel (23).

5. The waste heat recovery device for a double-layer stenter setting machine according to claim 1, characterized in that: The air intake pipe (3) is connected to and fixed with an air pump (31), and the top end of the air intake pipe (3) is connected to and fixed with a mesh shell (32).

6. The waste heat recovery device for a double-layer stenter setting machine according to claim 3, characterized in that: An air intake tube (24) is connected and fixed to the blanking tube (23), and one end of the air intake tube (24) is connected and fixed to the end of an exhaust pipe of a setting machine.

7. The waste heat recovery device for a double-layer stenter setting machine according to claim 1, characterized in that: A heat-insulating sleeve (6) is fixed to the outside of the heat exchange box (1).

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