Quantitative feeding device for treating dangerous waste in cement kiln

Abstract

The utility model discloses a cement kiln dangerous waste treatment quantitative feeding device which comprises a tank body and a metering valve communicated with the bottom of the tank body, the output end of the metering valve is communicated with an adjusting structure, and the surface of the tank body is fixedly connected with a transmission structure located on one side of the adjusting structure. The adjusting structure comprises a corrugated pipe communicated with the bottom of the metering valve, the corrugated pipe is elastic, and the end, away from the metering valve, of the corrugated pipe is communicated with an electric valve. According to the utility model, the transmission structure carries the extension ring to vertically lift, and the extension ring is utilized to pull the corrugated pipe to enable the corrugated pipe to stretch or contract, so that the effect of changing the capacity of the corrugated pipe can be achieved, auxiliary control can be carried out on the fixed feeding amount of materials, and the structural strength of the existing quantitative feeding device can be improved; the device mainly assists the metering valve in judging the material feeding amount, prevents dust generated in the material feeding process from influencing the judgment of the metering valve, and guarantees the metering accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of hazardous waste treatment, in particular to a quantitative feeding device for treating hazardous waste in a cement kiln. Background Art

[0002] Hazardous waste treatment is a complex and important process aimed at reducing or eliminating the harmful effects of hazardous waste on the environment or human health. Hazardous waste refers to waste with one or more hazardous characteristics such as corrosiveness, toxicity, flammability, reactivity or infectivity. The main ways to treat hazardous waste include the following: Harmless disposal: Reduce or eliminate the harm of hazardous waste to the environment or human body through physical, chemical and other methods. This includes incineration, which can significantly reduce the amount and toxic components of hazardous waste. It is particularly suitable for treating hazardous waste containing a large amount of toxic organic components. The chemical method uses chemical substances to react with substances in hazardous waste to convert them into harmless substances or separate harmful substances.

[0003] For example, the patent number published on the China Patent Network is: 202321780869.3, and the patent name is: A quantitative feeding device for treating hazardous waste in a cement kiln, including a support frame, a feeding hopper is installed on the top of the support frame, four groups of guide pipes are installed at the bottom of the feeding hopper, a quantitative feeding structure is fixedly installed at the bottom of the support frame, and a limiting member is installed on the quantitative feeding structure. The limiting member fixes the quantitative feeding structure on one side of the bottom of the support frame. The utility model combines the installed feeding hopper with the quantitative feeding structure to allow hazardous waste to be quantitatively fed when entering the cement kiln. The waste scraper and the drop slot inside the feeding hopper are combined to allow the unwasted material to be evenly discharged in the feeding hopper. After the discharge, a certain mass of hazardous waste is fed through the controlled drop of the drop plate, so that the hazardous waste can be quickly and quantitatively fed, which is convenient for the feeding of hazardous waste and improves the efficiency of cement kiln in hazardous waste treatment.

[0004] However, the structure of the existing quantitative feeding device is relatively simple, and the material feeding amount is mainly judged by a metering valve. The dust generated during the material feeding process will affect the judgment of the metering valve, resulting in interference with the metering accuracy.

[0005] Therefore, it is necessary to design and modify the quantitative feeding device of the cement kiln for treating hazardous waste. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a quantitative feeding device for treating hazardous waste in a cement kiln, which has the advantage of improving the accuracy of quantitative feeding and solves the problem that the structure of the existing quantitative feeding device is relatively simple, and the material feeding amount is mainly judged by a metering valve. The dust generated during the material feeding process will affect the judgment of the metering valve, resulting in interference with the metering accuracy.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quantitative feeding device for treating hazardous waste in a cement kiln, comprising a tank body;

[0008] A metering valve connected to the bottom of the tank;

[0009] The output end of the metering valve is connected to a regulating structure;

[0010] The surface of the tank body is fixedly connected with a transmission structure located on one side of the adjustment structure;

[0011] The regulating structure comprises a bellows connected to the bottom of the metering valve, the bellows is elastic, one end of the bellows away from the metering valve is connected to an electric valve, an extension ring is fixedly connected to the surface of the electric valve, and the transmission structure can carry the extension ring to rise and fall.

[0012] As a preferred embodiment of the utility model, the transmission structure includes a connecting frame fixedly connected to the right side of the tank body, the interior of the connecting frame is movably connected with a screw through a bearing, the surface of the screw is threadedly connected with a connecting plate, and the side of the connecting plate away from the screw is fixedly connected to the surface of the extension ring.

[0013] As a preferred embodiment of the present invention, a transmission motor is fixedly connected to the top of the connection frame, the top of the screw rod passes through the connection frame and extends to the top of the connection frame, and the output end of the transmission motor is fixedly connected to the top of the screw rod.

[0014] As a preferred embodiment of the present invention, the front side and the rear side of the top of the connecting plate are fixedly connected with reinforcing ribs, and the side of the reinforcing rib away from the connecting plate is fixedly connected to the top of the extension ring.

[0015] As a preferred embodiment of the utility model, a guide rod is fixedly connected to the surface of the metering valve, and the side of the guide rod away from the metering valve penetrates the extension ring and extends to the bottom of the extension ring, and the extension ring is slidably connected to the guide rod.

[0016] As a preferred embodiment of the utility model, a guide bar is fixedly connected to the interior of the connecting frame, and the guide bar extends from a side away from the connecting frame to the interior of the connecting plate, and the connecting plate is slidably connected to the guide bar.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model carries an extension ring through a transmission structure to lift vertically, and uses the extension ring to pull the bellows to stretch or contract the bellows, which can achieve the effect of changing the capacity of the bellows and assist in controlling the fixed amount of material. The utility model can improve the structural strength of the existing quantitative feeding device, mainly assist the metering valve in judging the material feeding amount, prevent the dust generated during the material feeding process from affecting the judgment of the metering valve, and ensure the metering accuracy.

[0019] 2. The utility model can promote the stable movement of the bellows by arranging the screw rod and the connecting plate, and can also position the adjusted bellows.

[0020] 3. The utility model can automatically drive the screw to rotate by setting a transmission motor, thereby improving the automation level of the tank body.

[0021] 4. The utility model can improve the connection strength between the extension ring and the connecting plate by providing reinforcing ribs, thereby preventing the connection between the two from breaking.

[0022] 5. The utility model can limit the extension ring by setting the guide rod, thereby improving the vertical lifting stability of the extension ring.

[0023] 6. The utility model can limit the connection plate by setting the guide strip, so as to avoid the connection plate from tilting during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a right side structural schematic diagram of the utility model;

[0026] Figure 3 It is a schematic diagram of the partial structure of the utility model.

[0027] In the figure: 1. tank body; 2. metering valve; 3. adjustment structure; 4. transmission structure; 5. bellows; 6. electric valve; 7. extension ring; 8. connecting frame; 9. screw rod; 10. connecting plate; 11. transmission motor; 12. reinforcing ribs; 13. guide rod; 14. guide strip. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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 creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 3 As shown, the utility model provides a quantitative feeding device for treating hazardous waste in a cement kiln, comprising a tank body 1;

[0030] A metering valve 2 connected to the bottom of the tank 1;

[0031] The output end of the metering valve 2 is connected to the regulating structure 3;

[0032] The surface of the tank body 1 is fixedly connected with a transmission structure 4 located on one side of the adjustment structure 3;

[0033] The regulating structure 3 includes a bellows 5 connected to the bottom of the metering valve 2. The bellows 5 is elastic. One end of the bellows 5 away from the metering valve 2 is connected to an electric valve 6. An extension ring 7 is fixedly connected to the surface of the electric valve 6. The transmission structure 4 can carry the extension ring 7 to rise and fall.

[0034] refer to Figure 3 The transmission structure 4 includes a connecting frame 8 fixedly connected to the right side of the tank body 1, and a screw 9 is movably connected to the interior of the connecting frame 8 through a bearing. A connecting plate 10 is threadedly connected to the surface of the screw 9, and the side of the connecting plate 10 away from the screw 9 is fixedly connected to the surface of the extension ring 7.

[0035] As a technical optimization solution of the utility model, by providing the screw rod 9 and the connecting plate 10, the bellows 5 can be pushed to move stably, and the adjusted bellows 5 can be positioned.

[0036] refer to Figure 3 The top of the connecting frame 8 is fixedly connected with a transmission motor 11 , the top of the screw rod 9 passes through the connecting frame 8 and extends to the top of the connecting frame 8 , and the output end of the transmission motor 11 is fixedly connected to the top of the screw rod 9 .

[0037] As a technical optimization solution of the utility model, by providing a transmission motor 11, the screw rod 9 can be automatically driven to rotate, thereby improving the automation degree of the tank body 1.

[0038] refer to Figure 3 The front side and the rear side of the top of the connecting plate 10 are fixedly connected with reinforcing ribs 12 , and the side of the reinforcing rib 12 away from the connecting plate 10 is fixedly connected to the top of the extension ring 7 .

[0039] As a technical optimization solution of the present invention, by providing the reinforcing ribs 12, the connection strength between the extension ring 7 and the connecting plate 10 can be improved to prevent the connection between the two from being broken.

[0040] refer to Figure 3 A guide rod 13 is fixedly connected to the surface of the metering valve 2. The side of the guide rod 13 away from the metering valve 2 passes through the extension ring 7 and extends to the bottom of the extension ring 7. The extension ring 7 is slidably connected to the guide rod 13.

[0041] As a technical optimization solution of the present invention, by providing a guide rod 13, the extension ring 7 can be limited, thereby improving the vertical lifting stability of the extension ring 7.

[0042] refer to Figure 3A guide bar 14 is fixedly connected to the interior of the connecting frame 8 , and the guide bar 14 extends to the interior of the connecting plate 10 away from the side of the connecting frame 8 , and the connecting plate 10 is slidably connected to the guide bar 14 .

[0043] As a technical optimization solution of the present invention, by providing the guide strip 14, the connection plate 10 can be limited to avoid the connection plate 10 from tilting during the movement.

[0044] The working principle and use process of the utility model are as follows: when in use, the material inside the tank body 1 is put into the interior of the bellows 5 through the metering valve 2, the material is guided by the bellows 5 and discharged to the interior of the cement kiln by the electric valve 6 for processing, when it is necessary to adjust the capacity of the bellows 5, turn on the transmission motor 11, the transmission motor 11 drives the screw 9 to rotate, the screw 9 uses the thread to push the connecting plate 10 to move vertically, and during the movement of the connecting plate 10, the extension ring 7 is used to pull the bellows 5 to stretch the bellows 5, thereby achieving the effect of changing the capacity of the bellows 5, and the fixed amount of material can be auxiliary controlled.

[0045] To sum up: the quantitative feeding device for treating hazardous waste in the cement kiln carries the extension ring 7 to be vertically lifted and lowered through the transmission structure 4, and uses the extension ring 7 to pull the bellows 5 to stretch or contract the bellows 5, which can achieve the effect of changing the capacity of the bellows 5, and can assist in controlling the fixed amount of material. The utility model can improve the structural strength of the existing quantitative feeding device, mainly assist the metering valve 2 to judge the material feeding amount, prevent the dust generated during the material feeding process from affecting the judgment of the metering valve 2, and ensure the metering accuracy.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quantitative feeding device for treating hazardous waste in a cement kiln, comprising a tank body (1); A metering valve (2) connected to the bottom of the tank (1); Features: The output end of the metering valve (2) is connected to a regulating structure (3); A transmission structure (4) located on one side of the adjustment structure (3) is fixedly connected to the surface of the tank body (1); The regulating structure (3) comprises a bellows (5) connected to the bottom of the metering valve (2); the bellows (5) is elastic; one end of the bellows (5) away from the metering valve (2) is connected to an electric valve (6); an extension ring (7) is fixedly connected to the surface of the electric valve (6); and the transmission structure (4) is capable of carrying the extension ring (7) to rise and fall.

2. The quantitative feeding device for treating hazardous waste in a cement kiln according to claim 1, characterized in that: The transmission structure (4) comprises a connection frame (8) fixedly connected to the right side of the tank body (1); a screw rod (9) is movably connected to the interior of the connection frame (8) via a bearing; a connection plate (10) is threadedly connected to the surface of the screw rod (9); and a side of the connection plate (10) away from the screw rod (9) is fixedly connected to the surface of the extension ring (7).

3. The quantitative feeding device for treating hazardous waste in a cement kiln according to claim 2, characterized in that: The top of the connection frame (8) is fixedly connected to a transmission motor (11), the top of the screw rod (9) passes through the connection frame (8) and extends to the top of the connection frame (8), and the output end of the transmission motor (11) is fixedly connected to the top of the screw rod (9).

4. The quantitative feeding device for treating hazardous waste in a cement kiln according to claim 2, characterized in that: The front side and the rear side of the top of the connecting plate (10) are both fixedly connected with reinforcing ribs (12), and the side of the reinforcing rib (12) away from the connecting plate (10) is fixedly connected to the top of the extension ring (7).

5. The quantitative feeding device for treating hazardous waste in a cement kiln according to claim 1, characterized in that: A guide rod (13) is fixedly connected to the surface of the metering valve (2); a side of the guide rod (13) away from the metering valve (2) penetrates the extension ring (7) and extends to the bottom of the extension ring (7); the extension ring (7) is slidably connected to the guide rod (13).

6. The quantitative feeding device for treating hazardous waste in a cement kiln according to claim 2, characterized in that: A guide bar (14) is fixedly connected to the interior of the connection frame (8), and the guide bar (14) extends from a side of the connection frame (8) to the interior of the connection plate (10), and the connection plate (10) is slidably connected to the guide bar (14).

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