Heating structure of exhaust gas filtering device

Abstract

The utility model discloses a kind of heating structure of tail gas filtering equipment, including shuttle-shaped casing, shuttle-shaped casing includes upper shell and lower shell, upper shell and lower shell part are equipped with exhaust pipe and air inlet pipe respectively, heating mechanism is equipped in shuttle-shaped casing inside, support mechanism is equipped below heating mechanism, support mechanism is connected with lower shell, mounting hole is equipped on upper shell and internally mounted with cable fixing part, sealing sleeve is fixedly arranged on the inner wall of upper shell, the bottom surface of sealing sleeve is lower than the bottom surface of upper shell, sealing sleeve is inserted into the inner wall of lower shell and is connected by adhering, upper shell and lower shell are connected by clamp;The utility model has the advantages of simple structure, strong stability, high heating efficiency, high energy efficiency ratio, easy maintenance and the like.

Description

Technical Field

[0001] This utility model belongs to the field of waste gas treatment technology, and in particular relates to a heating structure for an exhaust gas filtration device. Background Technology

[0002] In pharmaceutical processes, reactors generate process exhaust gases during core operations such as cultivation and fermentation. To ensure the stable operation of the exhaust gas filtration system and achieve sterile emissions, a heating structure is added to the exhaust gas treatment system to preheat the exhaust gas before it enters the filtration device, thereby improving filtration efficiency and preventing condensate deposition. This pretreatment process, in conjunction with downstream high-efficiency filters, constitutes a complete exhaust gas safety control system.

[0003] Traditional heating structures often use a straight cylindrical shell and heating film, which have problems such as high airflow resistance and uneven heating. Solving this problem requires leaving gaps in the heating film, which leads to low energy utilization efficiency of the heating device. In addition, traditional heating structures have many delicate parts, making disassembly and maintenance more difficult.

[0004] Therefore, it is necessary to design an exhaust gas heating structure with excellent heating efficiency, high energy efficiency ratio, and easy maintenance. Utility Model Content

[0005] The purpose of this utility model is to provide a heating structure for an exhaust gas filtration device to solve the problems of low heating efficiency, low energy efficiency ratio and inconvenient maintenance of common exhaust gas heating structures.

[0006] This utility model achieves the above-mentioned objective through the following technical solution: it includes a spindle-shaped shell, the spindle-shaped shell includes an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with an exhaust pipe and an air inlet pipe in the middle part, the spindle-shaped shell is provided with a heating mechanism inside, a support mechanism is provided below the heating mechanism, the support mechanism is connected to the lower shell, the upper shell is provided with a mounting hole and a cable fixing component is installed inside.

[0007] Furthermore, the upper housing and the lower housing are connected to the exhaust pipe and the intake pipe via pipe fittings.

[0008] Furthermore, a sealing sleeve is fixedly provided on the inner wall of the upper housing. The bottom surface of the sealing sleeve is lower than the bottom surface of the upper housing. The sealing sleeve is inserted into the inner wall of the lower housing and fits snugly. The upper housing and the lower housing are connected by a clamp.

[0009] Furthermore, the heating mechanism is a disc-shaped spiral heating coil, the maximum outer diameter of which does not exceed the inner wall diameter of the sealing sleeve.

[0010] Furthermore, the support mechanism includes a lifting disc with several arc-shaped through holes, several limiting rings fixed at the bottom of the lifting disc, a cross-shaped support frame at the top of the lifting disc and welded together, and the heating coil is placed on the top of the cross-shaped support frame.

[0011] Furthermore, the heating coil is connected to the cross-shaped support frame by binding.

[0012] Furthermore, a plurality of screw posts are fixedly provided on the inner bottom surface of the lower housing. The top height of the screw posts does not exceed the height of the top surface of the lower housing. The number of screw posts corresponds to the limiting ring and they are interlocked with each other. The lifting disc is fixed to the screw posts by screws.

[0013] Furthermore, one end of both the exhaust pipe and the intake pipe is inserted through the inner side of the spindle-shaped housing, and an anti-detachment ring is fitted at the end of both the exhaust pipe and the intake pipe located inside the spindle-shaped housing. The anti-detachment ring is fixed to the spindle-shaped housing by screws.

[0014] Furthermore, the air inlet pipe is connected to the exhaust port of the reaction tank, and the end of the exhaust pipe is connected to the interface of the exhaust gas filtration device.

[0015] Furthermore, the heating coil is connected to the cable fixing member via a wire, and is electrically connected to an external control module and a power supply.

[0016] Beneficial effects: This utility model is reasonably designed and has the following beneficial effects:

[0017] In this utility model, the streamlined structure reduces the resistance to exhaust gas flow, the sealing sleeve and clamp connection provide double protection for airtightness, the disc-shaped layout expands the heating area and improves heating efficiency while avoiding local overheating, the combination of the lifting disc and the cross pad provides stable support for the heating element, the arc-shaped through hole optimizes airflow distribution, the clamp connection and screw fixing method simplify the disassembly and assembly process, and the anti-detachment ring enhances the reliability of the pipeline connection. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an exploded view of a partial structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the lifting disc structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the upper shell structure of this utility model.

[0022] In the diagram: 1-Spindle-shaped housing, 2-Heating mechanism, 3-Supporting mechanism, 4-Cable fastener;

[0023] 11-Upper housing, 12-Lower housing, 13-Exhaust pipe, 14-Intake pipe, 15-Mounting hole, 16-Sealing sleeve, 17-Screw post, 18-Anti-detachment ring, 31-Lifting disc, 32-Arc-shaped through hole, 33-Limiting ring, 34-Cross-shaped support frame. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Combination Figures 1 to 4 The heating structure of the exhaust gas filtration device shown includes a spindle-shaped housing 1, which includes an upper housing 11 and a lower housing 12. An exhaust pipe 13 and an air inlet pipe 14 are respectively provided in the middle of the upper housing 11 and the lower housing 12. A heating mechanism 2 is provided inside the spindle-shaped housing 1. A support mechanism 3 is provided below the heating mechanism 2. The support mechanism 3 is connected to the lower housing 12. An installation hole is provided on the upper housing 11 and a cable fixing component 4 is installed inside it.

[0026] The upper housing 11 has a sealing sleeve 16 fixedly installed on its inner wall. The bottom surface of the sealing sleeve 16 is lower than the bottom surface of the upper housing 11. The sealing sleeve 16 is inserted into the inner wall of the lower housing 12 and fits together. The upper housing 11 and the lower housing 12 are connected by a clamp.

[0027] The heating mechanism 2 is a disc-shaped spiral heating coil, the maximum outer diameter of which does not exceed the inner wall diameter of the sealing sleeve 16.

[0028] The support mechanism 3 includes a lifting disc 31, which has several arc-shaped through holes 32. Several limiting rings 33 are fixedly provided at the bottom of the lifting disc 31. A cross-shaped support frame 34 is provided at the top of the lifting disc 31 and is connected by welding. The heating coil is placed on the top of the cross-shaped support frame 34.

[0029] Several screw posts 17 are fixedly provided on the inner bottom surface of the lower housing 12. The top height of the screw posts 17 does not exceed the height of the top surface of the lower housing 12. The number of screw posts 17 corresponds to the limiting ring 33 and they are interlocked with each other. The lifting disc 31 is fixed to the screw posts 17 by screws.

[0030] Both the exhaust pipe 13 and the intake pipe 14 are inserted into the inner side of the shuttle-shaped housing 1 at one end, and an anti-detachment ring 18 is fitted at the end of the exhaust pipe 13 and the intake pipe 14 located inside the shuttle-shaped housing 1. The anti-detachment ring 18 is fixed to the shuttle-shaped housing 1 by screws.

[0031] The heating coil is connected to the cable fixing piece 4 by a wire and is electrically connected to the external control module and power supply.

[0032] Working principle: During use, exhaust gas enters the spindle-shaped housing 1 through the intake pipe 14 and is evenly distributed through the arc-shaped through hole 32. Some of the exhaust gas in a fluid state is heated to the preset temperature by the heating coil and finally discharged from the exhaust pipe 13 into the exhaust gas filtration device. The external control module adjusts the heating power through the cable fixing piece 4 to realize real-time control of the internal temperature of the heater.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A heating structure for an exhaust gas filtration device, comprising a spindle-shaped housing (1), the spindle-shaped housing (1) comprising an upper housing (11) and a lower housing (12), wherein an exhaust pipe (13) and an intake pipe (14) are respectively provided in the middle portions of the upper housing (11) and the lower housing (12), characterized in that: The spindle-shaped housing (1) is provided with a heating mechanism (2) inside, and a support mechanism (3) is provided below the heating mechanism (2). The support mechanism (3) is connected to the lower housing (12). The upper housing (11) is provided with mounting holes and a cable fixing component (4) is installed inside. The support mechanism (3) includes a lifting disc (31), which has several arc-shaped through holes (32). Several limiting rings (33) are fixedly provided at the bottom of the lifting disc (31). A cross-shaped support frame (34) is provided at the top of the lifting disc (31) and is connected by welding. The heating coil is placed on the top of the cross-shaped support frame (34).

2. The heating structure of the exhaust gas filtration device according to claim 1, characterized in that: A sealing sleeve (16) is fixedly provided on the inner wall of the upper housing (11). The bottom surface of the sealing sleeve (16) is lower than the bottom surface of the upper housing (11). The sealing sleeve (16) is inserted into the inner wall of the lower housing (12) and is closely connected. The upper housing (11) and the lower housing (12) are connected by a clamp.

3. The heating structure of the exhaust gas filtration device according to claim 2, characterized in that: The heating mechanism (2) is a disc-shaped spiral heating coil, the maximum outer diameter of which does not exceed the inner wall diameter of the sealing sleeve (16).

4. The heating structure of the exhaust gas filtration device according to claim 1, characterized in that: A number of screw posts (17) are fixedly provided on the inner bottom surface of the lower housing (12). The top height of the screw posts (17) does not exceed the top height of the lower housing (12). The number of screw posts (17) corresponds to the limiting ring (33) and they are inserted into each other. The lifting disc (31) is fixed to the screw posts (17) by screws.

5. The heating structure of the exhaust gas filtration device according to claim 1, characterized in that: One end of the exhaust pipe (13) and the intake pipe (14) are inserted through the inner side of the spindle-shaped housing (1), and an anti-detachment ring (18) is fitted at the end of the exhaust pipe (13) and the intake pipe (14) located inside the spindle-shaped housing (1). The anti-detachment ring (18) is fixed to the spindle-shaped housing (1) by screws.

6. The heating structure of the exhaust gas filtration device according to claim 3, characterized in that: The heating coil is connected to the cable fixing piece (4) by a wire and is electrically connected to the external control module and power supply.

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