Furnace mouth structure of foaming furnace

By introducing adjustment components and filtering systems into the foaming furnace mouth structure, the problems of unadjustable size of the exhaust gas discharge port and poor purification effect are solved, and adjustable exhaust gas discharge and effective purification are achieved, achieving energy-saving and environmental protection effects.

CN223369874UActive Publication Date: 2025-09-23ZHEJIANG JIAOLIAN IRRADIATED MATERIALS CO LTD
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Patent Information

Application Number
CN202422649634.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-23
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing foaming furnace mouth structure cannot adjust the size of the exhaust gas discharge port, resulting in heat loss and inability to effectively filter and purify the exhaust gas.

Method used

A foaming furnace mouth structure including a furnace mouth air cavity, an adjustment component and a filtration system was designed. The opening size of the air outlet duct was adjusted by a stepper motor, and a filter screen, an activated carbon adsorption plate and a cold catalyst filter plate were equipped to treat the exhaust gas.

Benefits of technology

It realizes adjustable emission of exhaust gas, reduces heat loss, and effectively filters and purifies exhaust gas to prevent environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a foaming furnace mouth structure, which relates to the technical field of foaming furnace mouths and comprises a furnace mouth air cavity and an adjusting component, the furnace mouth air cavity is of a hard steel structure, an air outlet hopper is mounted on the upper side of the furnace mouth air cavity, and the adjusting component is arranged on the upper side of the air outlet hopper. The adjusting assembly comprises an air outlet barrel, a front fixing piece, a rear fixing piece, a stepping motor, a movable blocking cover, a threaded sealing disc, a sealing cover and an auxiliary handle, and the air outlet barrel is arranged on the upper side of the air outlet hopper. According to the furnace mouth structure of the foaming furnace, by arranging the adjusting assembly, the suction force can be changed by adjusting the size of the discharging opening, in the machining process, tail gas can be discharged, heat emission can be reduced, and therefore the requirements for energy conservation and environment protection are met; by arranging a movable opening, a movable frame, a fixed handle, a filter screen, an activated carbon adsorption plate and a cold catalyst filter plate, the device can fully filter and purify waste gas, and pollution of exhausted tail gas to the environment is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of foaming furnace mouths, in particular to a foaming furnace mouth structure. Background Art

[0002] A foaming furnace is a device used to foam various materials. Heat is applied to the material, causing the plasticizers, foaming agents, and other chemicals within it to expand and react, resulting in the material expanding, lightening, and enlarging to form closed-cell foam. Foaming furnaces are essential equipment for the production of various foam products. Currently, to facilitate the discharge of exhaust gases generated during foaming furnace operation and reduce oil dripping within the furnace, a furnace outlet structure is often used for exhaust.

[0003] The foaming furnace mouth structures on the market usually do not have the function of adjusting the size of the exhaust gas discharge port, and cannot change the suction force according to needs, which easily leads to internal heat loss during the exhaust gas discharge process. For this reason, we propose a foaming furnace mouth structure. Utility Model Content

[0004] The purpose of the utility model is to provide a foaming furnace mouth structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foaming furnace mouth structure, comprising a furnace mouth air cavity and an adjustment component, the furnace mouth air cavity is a hard steel structure, and an air outlet scoop is installed on the upper side of the furnace mouth air cavity, the adjustment component is arranged on the upper side of the air outlet scoop, and the adjustment component comprises an air outlet tube, a front fixing part, a rear fixing part, a stepper motor, a movable cover, a threaded sealing disk, a sealing cover and an auxiliary handle, the air outlet tube is arranged on the upper side of the air outlet scoop, and the air outlet scoop and the air outlet tube are an integrated structure, a front fixing part is installed on the front side of the air outlet tube, and a rear fixing part is provided on the rear side of the air outlet tube, the rear fixing part, the air outlet tube and the front fixing part are a tightly connected integrated structure, and a stepper motor is installed on the rear side of the rear fixing part.

[0006] Furthermore, the output end of the stepper motor is connected to a movable cover via a coupling, and one end of the movable cover away from the stepper motor is rotatably connected to the front side of the inner surface of the air outlet tube.

[0007] Furthermore, a threaded structure is provided on the upper end of the inner surface of the air outlet tube, and a threaded sealing disk is threadedly connected to the inner side of the air outlet tube.

[0008] Furthermore, a sealing cover is installed on the upper surface of the threaded sealing disk, and an auxiliary handle is provided on the upper surface of the sealing cover.

[0009] Furthermore, the upper surface of the furnace mouth air cavity is tightly connected to the lower surface of the air outlet scoop, and a movable opening is provided at the front side of the upper end of the furnace mouth air cavity.

[0010] Furthermore, a movable frame is slidably connected to the inner side of the upper end of the furnace mouth air cavity, and the front side of the movable frame is snap-connected to the inner side of the movable mouth.

[0011] Furthermore, a fixed handle is installed on the front surface of the movable frame, and a filter is installed on the lower end of the inner side of the movable frame.

[0012] Furthermore, an activated carbon adsorption plate is installed above the filter screen, and a cold catalyst filter plate is provided on the upper surface of the activated carbon adsorption plate.

[0013] The utility model provides a foaming furnace mouth structure, which has the following beneficial effects:

[0014] 1. The utility model is provided with an adjustment component, which includes an air outlet, a front fixing part, a rear fixing part, a stepping motor, a movable baffle, a threaded sealing disk, a sealing cover and an auxiliary handle. When in use, the sealing cover is removed to discharge the exhaust gas from the air outlet, and the stepping motor is started to drive the movable baffle to rotate along the inside of the air outlet, thereby adjusting the size of the air outlet port of the air outlet, thereby changing the suction force of the exhaust gas discharge. The sealing cover is fixed to the inside of the air outlet by the threaded connection between the threaded sealing disk and the inside of the air outlet, and the air outlet is sealed by the sealing cover, so that the device can change the suction force by adjusting the size of the discharge port. During the processing, the exhaust gas can be discharged and the heat discharge can be reduced, thereby achieving the requirements of energy saving and environmental protection.

[0015] 2. The utility model is provided with a movable opening, a movable frame, a fixed handle, a filter screen, an activated carbon adsorption plate and a cold catalyst filter plate. When in use, after the exhaust gas enters the furnace mouth air cavity, the larger impurities in the exhaust gas are intercepted and filtered by the filter screen. The activated carbon adsorption plate can adsorb odors, organic compounds, etc. in the exhaust gas. The cold catalyst filter plate can decompose toxic and odorous harmful gases in the exhaust gas into water and carbon dioxide through catalytic reactions to prevent environmental pollution. After long-term use, the movable frame can be pulled out through the fixed handle and slid out along the inner side of the movable opening to facilitate cleaning or replacement of the inside of the movable frame, so that the device can fully filter and purify the exhaust gas and reduce the pollution of the exhaust gas to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of a foaming furnace mouth structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of an adjustment component of a foaming furnace mouth structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the furnace mouth air cavity of a foaming furnace furnace mouth structure of the present invention.

[0019] In the figure: 1. Furnace mouth air chamber; 2. Air outlet hopper; 3. Adjustment assembly; 301. Air outlet tube; 302. Front fixing part; 303. Rear fixing part; 304. Stepper motor; 305. Movable cover; 306. Threaded sealing disk; 307. Sealing cover; 308. Auxiliary handle; 4. Movable opening; 5. Movable frame; 6. Fixed handle; 7. Filter screen; 8. Activated carbon adsorption plate; 9. Cold catalyst filter plate. DETAILED DESCRIPTION

[0020] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like Figures 1 to 3 As shown, a foaming furnace mouth structure includes a furnace mouth air chamber 1 and an adjustment component 3. The furnace mouth air chamber 1 is a hard steel structure, and an air outlet hopper 2 is installed on the upper side of the furnace mouth air chamber 1. The adjustment component 3 is arranged on the upper side of the air outlet hopper 2, and the adjustment component 3 includes an air outlet tube 301, a front fixing part 302, a rear fixing part 303, a stepping motor 304, a movable cover 305, a threaded sealing disk 306, a sealing cover 307 and an auxiliary handle 308. The air outlet tube 301 is arranged on the upper side of the air outlet hopper 2, and the air outlet hopper 2 and the air outlet tube 301 are an integrated structure. The front side of the air outlet tube 301 is installed with a front fixing part 302, and the rear side of the air outlet tube 301 is provided with a rear fixing part 303. The rear fixing part 303, the air outlet tube 301 and the front fixing part 302 are a tightly connected integrated structure, and the rear side of the rear fixing part 303 is installed with a stepping motor 304.

[0022] The specific operation is as follows. When in use, remove the sealing cover 307 to discharge the exhaust gas from the air outlet 301, start the stepper motor 304, and drive the movable cover 305 to rotate along the inside of the air outlet 301, thereby adjusting the size of the discharge port of the air outlet 301, thereby changing the suction force of the exhaust gas discharge, and fix the sealing cover 307 to the inside of the air outlet 301 through the threaded connection between the threaded sealing disk 306 and the inside of the air outlet 301, and seal the air outlet 301 through the sealing cover 307.

[0023] Please refer to Figure 3The output end of the stepping motor 304 is connected to a movable cover 305 through a coupling, and the end of the movable cover 305 away from the stepping motor 304 is rotatably connected to the front side of the inner surface of the air outlet cylinder 301, and a threaded structure is provided on the upper end of the inner surface of the air outlet cylinder 301, and a threaded sealing disk 306 is threadedly connected to the inner side of the air outlet cylinder 301, and a sealing cover 307 is installed on the upper surface of the threaded sealing disk 306, and an auxiliary handle 308 is provided on the upper surface of the sealing cover 307. The upper surface of the furnace mouth air cavity 1 is tightly connected to the lower surface of the air outlet hopper 2, and a movable opening 4 is opened on the front side of the upper end of the furnace mouth air cavity 1. A movable frame 5 is slidably connected to the inner side of the upper end of the furnace mouth air cavity 1, and the front side of the movable frame 5 is snap-connected with the inner side of the movable opening 4, a fixed handle 6 is installed on the front surface of the movable frame 5, and a filter screen 7 is installed on the lower inner end of the movable frame 5, an activated carbon adsorption plate 8 is installed above the filter screen 7, and a cold catalyst filter plate 9 is provided on the upper surface of the activated carbon adsorption plate 8;

[0024] The specific operation is as follows: when in use, after the exhaust gas enters the furnace mouth air chamber 1, the larger impurities in the exhaust gas are intercepted and filtered through the filter screen 7; the activated carbon adsorption plate 8 can adsorb odors, organic compounds, etc. in the exhaust gas; the cold catalyst filter plate 9 can decompose the toxic and odorous harmful gases in the exhaust gas into water and carbon dioxide through catalytic reaction to prevent environmental pollution; after long-term use, the movable frame 5 can be pulled out through the fixed handle 6 so that the movable frame 5 can be slid out along the inner side of the movable port 4 to facilitate cleaning or replacement of the inside of the movable frame 5.

[0025] In summary, if Figures 1 to 3 As shown, the foaming furnace mouth structure, when in use, first, remove the sealing cover 307, so that the exhaust gas is discharged from the air outlet 301, start the stepper motor 304, so that the stepper motor 304 drives the movable cover 305 to rotate along the inner side of the air outlet 301, and then adjust the size of the exhaust port of the air outlet 301, thereby changing the suction force of the exhaust gas discharge. Subsequently, after the exhaust gas enters the furnace mouth air cavity 1, the filter screen 7 intercepts and filters the larger impurities in the exhaust gas, and the activated carbon adsorption plate 8 can absorb odors, organic compounds, etc. in the exhaust gas. The cold catalyst filter plate 9 can decompose the toxic and odorous harmful gases in the exhaust gas into water and carbon dioxide through catalytic reaction to prevent environmental pollution. After long-term use, the movable frame 5 can be pulled out through the fixed handle 6, and the movable frame 5 can be slid out along the inner side of the movable port 4 to facilitate cleaning or replacement of the inside of the movable frame 5. When not in use, the sealing cover 307 is fixed to the inner side of the air outlet 301 through the threaded connection between the threaded sealing disk 306 and the inner side of the air outlet 301, and the air outlet 301 is sealed by the sealing cover 307.

[0026] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A foaming furnace mouth structure, comprising a furnace mouth air cavity (1) and an adjustment component (3), characterized in that: The furnace mouth air chamber (1) is a hard steel structure, and an air outlet hopper (2) is installed on the upper side of the furnace mouth air chamber (1). The adjustment component (3) is arranged on the upper side of the air outlet hopper (2), and the adjustment component (3) includes an air outlet tube (301), a front fixing member (302), a rear fixing member (303), a stepping motor (304), a movable cover (305), a threaded sealing disk (306), a sealing cover (307) and an auxiliary handle (308). The air outlet tube (301 ) is arranged on the upper side of the air outlet duct (2), and the air outlet duct (2) and the air outlet tube (301) are an integrated structure, the front side of the air outlet tube (301) is installed with a front fixing member (302), and the rear side of the air outlet tube (301) is provided with a rear fixing member (303), the rear fixing member (303), the air outlet tube (301) and the front fixing member (302) are a tightly connected integrated structure, and the rear side of the rear fixing member (303) is installed with a stepping motor (304).

2. A foaming furnace mouth structure according to claim 1, characterized in that: The output end of the stepping motor (304) is connected to a movable cover (305) via a coupling, and one end of the movable cover (305) away from the stepping motor (304) is rotatably connected to the front side of the inner surface of the air outlet tube (301).

3. The foaming furnace mouth structure according to claim 1, characterized in that: A threaded structure is provided on the upper end of the inner surface of the air outlet cylinder (301), and a threaded sealing disk (306) is threadedly connected to the inner side of the air outlet cylinder (301).

4. A foaming furnace mouth structure according to claim 3, characterized in that: A sealing cover (307) is installed on the upper surface of the threaded sealing disc (306), and an auxiliary handle (308) is provided on the upper surface of the sealing cover (307).

5. The foaming furnace mouth structure according to claim 1, characterized in that: The upper surface of the furnace mouth air cavity (1) is tightly connected to the lower surface of the air outlet hopper (2), and a movable opening (4) is provided on the front side of the upper end of the furnace mouth air cavity (1).

6. The foaming furnace mouth structure according to claim 1, characterized in that: A movable frame (5) is slidably connected to the inner side of the upper end of the furnace opening air cavity (1), and the front side of the movable frame (5) is snap-connected to the inner side of the movable opening (4).

7. The foaming furnace mouth structure according to claim 6, characterized in that: A fixed handle (6) is installed on the front surface of the movable frame (5), and a filter screen (7) is installed on the lower end of the inner side of the movable frame (5).

8. The foaming furnace mouth structure according to claim 7, characterized in that: An activated carbon adsorption plate (8) is installed above the filter screen (7), and a cold catalyst filter plate (9) is provided on the upper surface of the activated carbon adsorption plate (8).