Vertical sectional heat treatment industrial furnace

Abstract

The utility model relates to the technical field of metal heat treatment, in particular to a vertical sectional heat treatment industrial furnace which comprises an industrial furnace body and a discharge pipe, the interior of the discharge pipe is connected with a placement frame used for limiting through bolts, the upper end of the placement frame is detachably connected with an activated carbon pad used for adsorption, and the upper end of the activated carbon pad is detachably connected with the discharge pipe. A filter screen for filtering is detachably connected to the inner wall of the placement frame, an air inlet for limiting is formed in the lower end of the placement frame, and an adsorption pad for filtering is clamped to the inner wall of the air inlet. According to the vertical sectional heat treatment industrial furnace, through cooperative arrangement of the discharge pipe, the placement frame, an activated carbon pad and a filter screen, when waste gas in the equipment is discharged, harmful substances existing in the waste gas can be more conveniently absorbed and filtered, the harmful substances and peculiar smell in the waste gas are effectively removed, and pollution caused by waste gas discharge to the environment is reduced; and the discharged waste gas reaches a proper standard.

Description

Technical Field

[0001] The utility model relates to the technical field of metal heat treatment, and specifically relates to a vertical sectional heat treatment industrial furnace. Background Art

[0002] The vertical sectional heat treatment industrial furnace is a device widely used in fields such as machinery and metallurgy. Its design aims to precisely heat-treat workpieces through a sectional heating and cooling process. The working principle of the vertical sectional heat treatment industrial furnace is based on heat conduction and temperature control. During the heat treatment process, fuel and air enter the furnace chamber in an appropriate proportion and are ignited to generate high-temperature flames. The heat energy of the flames is transferred to the workpieces in the furnace chamber through the furnace lining, causing them to heat up to a predetermined temperature. Through the sectional design, different temperature zones can be formed in the furnace chamber to meet the requirements of different parts of the workpiece or different heat treatment stages.

[0003] Chinese Patent Publication No. CN201071380Y discloses a vertical sectional heat treatment industrial furnace, which includes a furnace body skeleton welded by steel, a furnace lining made of refractory materials fixed on the skeleton, a furnace bottom for bearing the furnace body, a movable furnace cover, and the furnace cover and the upper opening of the furnace body form a sealed closure. The furnace body is composed of several sections that are hermetically buckled up and down. The industrial furnace of the utility model can adjust the height of the furnace body to be suitable for the heat treatment of shaft-like forgings and castings of different lengths. There is no remaining space when various processed workpieces are heat-treated in the furnace. In this way, both energy can be saved and the quality of heat-treated workpieces can be improved.

[0004] However, when this utility model is actually used, the following problems exist;

[0005] When the existing device is used by staff, it is necessary to place the material to be processed inside the device and then heat the inside of the device to be able to process the material. Generally, relatively economical heating methods include heating with gas or fuel oil. Harmful gases will be generated when gas or fuel oil burns. The existing device is not convenient for treating the combustion gases, and the discharged gases are relatively easy to pollute the environment. Summary of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] To overcome the above-mentioned defects of the prior art, the present utility model provides a vertical sectional heat treatment industrial furnace, which solves the problem that in the prior art device when used by staff, the material to be processed needs to be placed inside the device and then the inside of the device is heated to process the material. Generally, relatively economical heating methods are heating with gas or fuel. When gas or fuel burns, harmful gases will be generated. The existing device is not convenient for treating the combustion gas, and the discharged gas is relatively easy to pollute the environment.

[0008] (II) Technical Solution

[0009] To achieve the above object, the present utility model is realized through the following technical solutions: A vertical sectional heat treatment industrial furnace includes an industrial furnace body and a discharge pipe. Inside the discharge pipe, a placement rack for limiting is connected by bolts. The upper end of the placement rack is detachably connected with an activated carbon pad for adsorption. The inner wall of the placement rack is detachably connected with a filter screen for filtration. The lower end of the placement rack is provided with an air inlet for limiting, and an adsorption pad for filtration is clamped on the inner wall of the air inlet.

[0010] Preferably, a pin for fixing is inserted into the side of the discharge pipe, and the pin penetrates through one side of the discharge pipe and is threadedly connected inside the placement rack.

[0011] Preferably, a feeding port for placement is opened on the side of the industrial furnace body, and a pressure gauge is inserted into the side of the industrial furnace body.

[0012] Preferably, a box cover for sealing is clamped on the side of the industrial furnace body, and a groove for lifting is opened on the side of the box cover.

[0013] Preferably, a load-bearing rack for support is sleeved on the outer surface of the industrial furnace body, and a telescopic rod for adjustment is inserted at the lower end of the load-bearing rack.

[0014] Preferably, a fastening column for fixing is inserted into the side of the load-bearing rack, and the fastening column penetrates through one side of the load-bearing rack and is inserted into the telescopic rod.

[0015] Preferably, a fixing column for fastening is inserted at the upper end of the telescopic rod, and anti-slip friction lines are provided on the outer surface of the upper end of the fixing column.

[0016] Preferably, a card hole for positioning is opened at the upper end of the industrial furnace body, and a positioning ring for limiting is fixedly connected to the outer surface of the industrial furnace body.

[0017] (III) Beneficial Effects

[0018] The utility model provides a vertical sectional heat treatment industrial furnace, which has the following beneficial effects:

[0019] In the vertical sectional heat treatment industrial furnace, through the combined setting of a discharge pipe, a placement rack, an activated carbon pad and a filter screen, when discharging the waste gas inside the equipment, harmful substances in the waste gas can be more conveniently absorbed and filtered, effectively removing the harmful substances and odors in the waste gas, reducing the pollution to the environment caused by waste gas emissions, and making the discharged waste gas meet the appropriate standards. With the setting of the placement rack, the filtering and adsorption elements can be more conveniently supported and fixed, and it is convenient for the staff to replace them regularly. With the setting of the filter screen, it is convenient to preliminarily filter large particle impurities and particulate matters in the waste gas, preventing these impurities from damaging or blocking the subsequent adsorption elements. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the utility model;

[0021] Figure 2 is an exploded structural diagram of the utility model;

[0022] Figure 3 is a schematic structural diagram of the discharge pipe of the utility model;

[0023] Figure 4 is a schematic structural diagram of the placement rack of the utility model;

[0024] Figure 5 is a schematic structural diagram of the load-bearing rack of the utility model;

[0025] Figure 6 is a schematic structural diagram of the industrial furnace body of the utility model.

[0026] In the figure: 1, industrial furnace body; 2, discharge pipe; 3, placement rack; 4, activated carbon pad; 5, filter screen; 6, air inlet; 7, adsorption pad; 8, pin; 9, feed inlet; 10, pressure gauge; 11, box cover; 12, groove; 13, load-bearing rack; 14, telescopic rod; 15, fastening column; 16, fixed column; 17, clamping hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1;

[0029] Please refer to Figures 1 to 6, in order to more conveniently fix and limit the placement rack 3, the present utility model provides a technical solution: a vertical sectional heat treatment industrial furnace, which is mainly applied to the scenario of processing workpieces, including an industrial furnace body 1 and a discharge pipe 2. A pin 8 for fixing is inserted on the side of the discharge pipe 2, and the pin 8 penetrates through one side of the discharge pipe 2 and is threadedly connected inside the placement rack 3. A positioning hole 17 for positioning is opened at the upper end of the industrial furnace body 1, and a positioning ring for limiting is fixedly connected to the outer surface of the industrial furnace body 1. The placement rack 3 for limiting is connected inside the discharge pipe 2 by bolts. By means of the arrangement of the pin 8, it is convenient for the staff to fix the placement rack 3 inside the discharge pipe 2. By means of the arrangement of the positioning hole 17, it is convenient for the staff to install and fix the discharge pipe 2;

[0030] Embodiment Two;

[0031] Please refer to Figures 1 to 6 , in order to more conveniently support and limit the industrial furnace body 1, an activated carbon pad 4 for adsorption is detachably connected to the upper end of the placement rack 3. A load-bearing rack 13 for support is sleeved on the outer surface of the industrial furnace body 1. A telescopic rod 14 for adjustment is inserted at the lower end of the load-bearing rack 13. A fastening column 15 for fixing is inserted on the side of the load-bearing rack 13. The fastening column 15 penetrates through one side of the load-bearing rack 13 and is inserted inside the telescopic rod 14. A fixing column 16 for fastening is inserted at the upper end of the telescopic rod 14. Anti-slip friction lines are provided on the outer surface of the upper end of the fixing column 16. A filter screen 5 for filtering is detachably connected to the inner wall of the placement rack 3. By means of the arrangement of the load-bearing rack 13, stable support is provided for the industrial furnace body 1 to ensure its stability during the working process. By means of the arrangement of the telescopic rod 14, it is used to adjust the height or position of the load-bearing rack 13 to adapt to different working environments and requirements. Through the arrangement of the fastening column 15, the adjusted telescopic rod 14 can be fixed. Through the arrangement of the fixing column 16, additional fastening force is provided to prevent the telescopic rod 14 from loosening or slipping during use;

[0032] Embodiment Three;

[0033] Please refer to Figures 1 to 6, in order to more conveniently seal the feed inlet 9, an air inlet 6 for limiting is opened at the lower end of the placement rack 3, an adsorption pad 7 for filtering is clamped on the inner wall of the air inlet 6, a feed inlet 9 for placement is opened on the side of the industrial furnace body 1, a pressure gauge 10 is inserted into the side of the industrial furnace body 1, a box cover 11 for sealing is clamped on the side of the industrial furnace body 1, and a groove 12 for lifting is opened on the side of the box cover 11. With the arrangement of the feed inlet 9, it is convenient to put the workpiece or material to be processed into the industrial furnace body 1 for heat treatment. With the arrangement of the pressure gauge 10, it is used to monitor the pressure inside the industrial furnace body 1 to ensure that the heat treatment process is carried out within a safe pressure range. With the arrangement of the box cover 11, it is used to close the feed inlet 9 on the side of the industrial furnace body 1 to prevent the leakage of heat and harmful gases. Through the arrangement of the groove 12, it is convenient for the operator to lift the box cover 11, facilitating opening and closing.

[0034] All the electrical components mentioned in this article are electrically connected to the external main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer for control.

[0035] In the present utility model, the working steps of the device are as follows:

[0036] First, ensure that the industrial furnace body 1 is in a safe position, the load-bearing rack 13 has been installed and adjusted to an appropriate height, the telescopic rod 14 is fixed inside the load-bearing rack 13 through the fastening column 15. Then open the box cover 11, put the workpiece or material to be processed into the industrial furnace body 1 through the feed inlet 9, close the box cover 11, start the industrial furnace body 1 to heat-treat the material, monitor the pressure in the furnace by using the pressure gauge 10. The waste gas generated in the furnace enters the inside of the discharge pipe 2, first passes through the filter screen 5 to preliminarily filter out large particle impurities and particulate matters. Then, the waste gas continues to rise and, through the adsorption effect of the activated carbon pad 4, harmful substances and odors are removed. The adsorption pad 7 further filters to ensure that the discharged waste gas meets the appropriate standards.

[0037] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A vertical sectional heat treatment industrial furnace, comprising an industrial furnace body (1) and a discharge pipe (2), characterized in that: Inside the discharge pipe (2), a placement rack (3) for limiting is connected by bolts. A detachable activated carbon pad (4) for adsorption is connected to the upper end of the placement rack (3). A filter screen (5) for filtering is detachably connected to the inner wall of the placement rack (3). An air inlet (6) for limiting is provided at the lower end of the placement rack (3). An adsorption pad (7) for filtering is clamped to the inner wall of the air inlet (6).

2. The vertical sectional heat treatment industrial furnace according to claim 1, wherein: A pin (8) for fixation is inserted into the side of the discharge pipe (2), and the pin (8) penetrates through one side of the discharge pipe (2) and is threadedly connected to the inside of the placement rack (3).

3. The vertical segmented heat treatment industrial furnace according to claim 1, wherein: A feed inlet (9) for placement is provided on the side of the industrial furnace body (1), and a pressure gauge (10) is inserted into the side of the industrial furnace body (1).

4. A vertical segmented heat treatment industrial furnace according to claim 1, characterized in that: A box cover (11) for sealing is clamped to the side of the industrial furnace body (1), and a groove (12) for lifting is provided on the side of the box cover (11).

5. The vertical sectional heat treatment industrial furnace according to claim 1, wherein: A load-bearing frame (13) for support is sleeved on the outer surface of the industrial furnace body (1), and a telescopic rod (14) for adjustment is inserted into the lower end of the load-bearing frame (13).

6. The vertical segmented heat treatment industrial furnace according to claim 5, characterized in that: A fastening column (15) for fixation is inserted into the side of the load-bearing frame (13), and the fastening column (15) penetrates through one side of the load-bearing frame (13) and is inserted into the inside of the telescopic rod (14).

7. The vertical sectional heat treatment industrial furnace according to claim 5, characterized in that: A fixing column (16) for fastening is inserted into the upper end of the telescopic rod (14), and anti-slip friction lines are provided on the outer surface of the upper end of the fixing column (16).

8. A vertical segmented heat treatment industrial furnace according to claim 1, characterized in that: A card hole (17) for positioning is provided at the upper end of the industrial furnace body (1), and a positioning ring for limiting is fixedly connected to the outer surface of the industrial furnace body (1).

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