Denitration agent blanking anti-blocking device of dry-method denitration equipment

Abstract

The utility model relates to the technical field of dry denitration, and provides a denitration agent blanking anti-blocking device of dry denitration equipment, which comprises a material tank, a convex layer and a plurality of supporting legs, the convex layer is arranged on the outer surface of the material tank, the supporting legs are fixed on the bottom surface of the convex layer, a top frame is fixed on the top of the material tank, and a discharge control component is arranged in the material tank. The heating and discharging assembly is arranged at the bottom of the material tank, the driving motor is installed on the top of the top frame, the output end of the driving motor is provided with a driving gear, the top of the top frame is fixedly connected with a telescopic air cylinder, and the output end of the telescopic air cylinder is connected with an extension control rod located in the material tank. According to the technical scheme, the problems that in the related technology, when the heating temperature is too high, some agglomerates can be generated in the denitration agent, the agglomerates easily block the discharge port of the pipeline during discharging, and normal work of dry denitration equipment is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry denitration, and specifically to a denitration agent feeding and blocking prevention device for dry denitration equipment. Background Art

[0002] There are two main types of flue gas denitrification technologies: dry and wet (selective catalytic reduction flue gas denitrification, selective non-catalytic reduction denitrification). Compared with wet flue gas denitrification technology, the main advantages of dry flue gas denitrification technology are: low basic investment, simple equipment and process, high removal efficiency, no wastewater and waste treatment, and not easy to cause secondary pollution. During the operation of dry denitrification equipment, the denitrification agent enters the pipeline from the bottom of the silo, the pipeline is ventilated, and the denitrification agent is transported to the boiler by wind.

[0003] Since the denitrification catalyst will encounter different temperatures during operation, crystallization is easy to occur when the temperature is low. In order to avoid the occurrence of denitrification agent crystallization, the staff will install a heating device on the outside of the discharge bin to keep the denitrification agent dry. However, when the heating temperature is too high, some agglomerates will be generated in the denitrification agent. These agglomerates are likely to block the discharge port of the pipeline during discharge, affecting the normal operation of the dry denitrification equipment.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model provides a device for preventing denitrification agent from being discharged during dry denitrification equipment, which solves the problem in the related art that when the heating temperature is too high, some agglomerates will be generated in the denitrification agent, and these agglomerates will easily block the discharge port of the pipeline during discharge, thus affecting the normal operation of the dry denitrification equipment.

[0006] The technical solution of the utility model is as follows:

[0007] A material tank, a convex layer and a plurality of supporting legs, wherein the convex layer is arranged on the outer surface of the material tank, and the supporting legs are fixed on the bottom surface of the convex layer;

[0008] A top frame and a discharge control assembly, wherein the top frame is fixed to the top of the material tank, and the discharge control assembly is arranged inside the material tank;

[0009] A heating and discharging component, wherein the heating and discharging component is arranged at the bottom of the material tank;

[0010] The discharge control assembly includes a drive motor, which is installed on the top of the top frame. A drive gear is provided at the output end of the drive motor. A telescopic cylinder is fixedly connected to the top of the top frame. An extension control rod is connected to the output end of the telescopic cylinder. The extension control rod is located inside the material tank.

[0011] As a further technical solution, a slide frame is provided on the top of the material tank, a rotating sleeve frame is rotatably connected inside the slide frame, the rotating sleeve frame is movably sleeved on the outside of the extended control rod, a plurality of stirring frames are provided on the outside of the rotating sleeve frame, and a plurality of dispersion frames are fixedly connected to the lower end of the rotating sleeve frame.

[0012] As a further technical solution, an external gear is fixedly connected to the top of the rotating sleeve, the external gear is meshed with the driving gear, and a baffle is fixedly connected to the surface of the material tank.

[0013] As a further technical solution, the heating and discharging assembly includes a thickened layer, which is fixed to the bottom of the material tank. A first heating pipe is arranged in the thickened layer. A docking flange is arranged at the bottom of the material tank, and a discharge pipe is connected to the bottom of the docking flange.

[0014] As a further technical solution, a second motor is fixedly connected to the outer surface of the discharge pipe, an extrusion spiral blade is rotatably connected inside the discharge pipe, the extrusion spiral blade is connected to the output end of the second motor, and a second heating tube is arranged inside the surface of the discharge pipe.

[0015] As a further technical solution, the dispersion rack is overall in a triangular structure, and the lower end surface of the dispersion rack is in contact with the inner bottom surface of the material tank.

[0016] As a further technical solution, the discharge pipe is an L-shaped structure as a whole, and a pair of pulley brackets are provided at the bottom of the discharge pipe.

[0017] As a further technical solution, the inner surface of the shield is bent downwardly and the shield is made of heat-insulating material.

[0018] The working principle and beneficial effects of the utility model are:

[0019] The utility model is provided with a discharging control component. Through the interaction of structures such as a driving motor, a driving gear, an external gear, a rotating sleeve, a stirring rack and a dispersion rack, the interior can be continuously stirred by the stirring rack and the dispersion rack, so that the denitrification agent can be broken up and heated evenly. Combined with the discharging control of the extended control rod, the material can be discharged evenly without agglomeration, and the utility model has a good discharging effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is the axonometric drawing of the utility model;

[0023] Figure 3 This is an axonometric sectional view of the utility model;

[0024] Figure 4 For the utility model Figure 3 A partial enlarged view of part A;

[0025] In the figure: 1. material tank; 2. convex layer; 3. support leg; 4. top frame; 5. discharge control assembly; 5-1. drive motor; 5-2. drive gear; 5-3. telescopic cylinder; 5-4. extension control rod; 5-5. slide frame; 5-6. rotating sleeve frame; 5-7. stirring frame; 5-8. dispersion frame; 5-9. external gear; 5-10. baffle; 6. heating discharge assembly; 6-1. thickening layer; 6-2. first heating tube; 6-3. docking flange; 6-4. discharge pipe; 6-5. second motor; 6-6. extrusion spiral blade; 6-7. second heating tube; 7. pulley bracket. DETAILED DESCRIPTION

[0026] The following will be combined with 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 of 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.

[0027] like Figure 1~Figure 4 As shown, this embodiment proposes a device for preventing blocking of denitrification agent feeding in dry denitrification equipment, comprising

[0028] A material tank 1, a convex layer 2 and a plurality of supporting legs 3, wherein the convex layer 2 is arranged on the outer surface of the material tank 1, and the supporting legs 3 are fixed on the bottom surface of the convex layer 2;

[0029] A top frame 4 and a discharge control assembly 5, wherein the top frame 4 is fixed on the top of the material tank 1, and the discharge control assembly 5 is arranged inside the material tank 1;

[0030] A heating and discharging component 6, wherein the heating and discharging component 6 is arranged at the bottom of the material tank 1;

[0031] The discharging control assembly 5 comprises a driving motor 5-1, which is mounted on the top of the top frame 4, a driving gear 5-2 is arranged at the output end of the driving motor 5-1, a telescopic cylinder 5-3 is fixedly connected to the top of the top frame 4, an extension control rod 5-4 is connected to the output end of the telescopic cylinder 5-3, the extension control rod 5-4 is located inside the material tank 1, a slide frame 5-5 is arranged on the top of the material tank 1, a rotating sleeve frame 5-6 is rotatably connected inside the slide frame 5-5, the rotating sleeve frame 5-6 is movably sleeved on the outside of the extension control rod 5-4, a plurality of stirring frames 5-7 are arranged on the outside of the rotating sleeve frame 5-6, a plurality of dispersion frames 5-8 are fixedly connected to the lower end of the rotating sleeve frame 5-6, an external gear 5-9 is fixedly connected to the top of the rotating sleeve frame 5-6, the external gear 5-9 is meshed with the driving gear 5-2, and a baffle 5-10 is fixedly connected to the surface of the material tank 1.

[0032] In this embodiment, in order to achieve the effect of maintaining a uniform state when the denitrification agent is discharged, a discharge control component 5 is designed. A driving motor 5-1 is fixed on the top frame 4 on the top of the material tank 1. A driving gear 5-2 is provided at the output end of the driving motor 5-1. A telescopic cylinder 5-3 is fixed on the other side. The output end of the telescopic cylinder 5-3 is connected to an extended control rod 5-4 and extends to the inside of the material tank 1. A slide frame 5-5 is provided on the top of the material tank 1. A rotating sleeve frame 5-6 is rotatably connected in the slide frame 5-5. The rotating sleeve frame 5-6 is sleeved on the outside of the extended control rod 5-4, which can be The surface of the extended control rod 5-4 rotates, and an external gear 5-9 is arranged on the rotating sleeve 5-6, which meshes with the driving gear 5-2 and can be controlled to rotate by the driving motor 5-1. A plurality of stirring racks 5-7 are fixed to the outside of the rotating sleeve 5-6 and a dispersion rack 5-8 is arranged at the lower end. After rotating, the denitrification agent can be stirred and broken up to prevent agglomeration and maintain uniform feeding. The lower end of the extended control rod 5-4 is used to control the discharge of the bottom of the material tank 1, and the switch can be controlled by the extension and contraction of the telescopic cylinder 5-3.

[0033] Furthermore, the heating and discharging component 6 includes a thickened layer 6-1, the thickened layer 6-1 is fixed to the bottom of the material tank 1, a first heating tube 6-2 is arranged in the thickened layer 6-1, a docking flange 6-3 is arranged at the bottom of the material tank 1, a discharging pipe 6-4 is connected to the bottom of the docking flange 6-3, a second motor 6-5 is fixedly connected to the outer surface of the discharging pipe 6-4, an extrusion spiral blade 6-6 is rotatably connected in the discharging pipe 6-4, the extrusion spiral blade 6-6 is connected to the output end of the second motor 6-5, and a second heating tube 6-7 is arranged in the surface of the discharging pipe 6-4.

[0034] In this embodiment, in order to achieve the effect of discharging the denitrification agent after heating, a heating and discharging component 6 is designed. A thickened layer 6-1 is arranged at the bottom of the material tank 1 and a first heating tube 6-2 is arranged inside, so that the bottom of the material tank 1 can be heated. A docking flange 6-3 is arranged at the discharging end of the material tank 1 and is connected to a discharging pipe 6-4. An extrusion spiral blade 6-6 is arranged inside the discharging pipe 6-4, and a second motor 6-5 is arranged outside. The output end of the second motor 6-5 is connected to the extrusion spiral blade 6-6, and is used to control the rotation of the extrusion spiral blade 6-6 to discharge the material. A second heating tube 6-7 is also arranged on the surface of the discharging pipe 6-4. The second heating tube 6-7 can heat the discharging pipe 6-4 to keep the denitrification agent at temperature for discharging.

[0035] Furthermore, the dispersion rack 5 - 8 is in a triangular structure as a whole, and the lower end surface of the dispersion rack 5 - 8 is in contact with the inner bottom surface of the material tank 1 .

[0036] In this embodiment, the triangular structure allows the dispersion racks 5-8 to disperse the denitrification agent while cleaning the inner bottom surface of the tank 1, thereby effectively avoiding adhesion and residue.

[0037] Furthermore, the discharge pipe 6 - 4 is an L-shaped structure as a whole, and a pair of pulley brackets 7 are provided at the bottom of the discharge pipe 6 - 4 .

[0038] In this embodiment, the L-shaped structure allows the denitrification agent to be discharged horizontally in the discharge pipe 6-4 in cooperation with the extrusion spiral blade 6-6, and can be evenly heated during the process. The pulley bracket 7 at the bottom can be supported on the ground when the discharge pipe 6-4 is removed, which is convenient for cleaning.

[0039] Furthermore, the inner surface of the shield 5-10 is bent downwardly at an angle, and the shield 5-10 is made of heat-insulating material.

[0040] In this embodiment, the heated part is concentrated at the bottom of the material tank 1 by bending the surface of the shield 5 - 10 downward and through the heat insulation effect.

[0041] When it is necessary to discharge the material, the denitrifier is concentrated in the material tank 1. Before discharging the material, the first heating tube 6-2 is started to heat the bottom gap in the material tank 1. At the same time, the driving motor 5-1 is started, so that the driving gear 5-2 drives the external gear 5-9 to rotate the rotating sleeve 5-6, and the internal stirring frame 5-7 and the dispersion frame 5-8 begin to stir and break up the denitrifier. When discharging the material, the telescopic cylinder 5-3 is started, and the extended control rod 5-4 is moved upward to open the discharge port at the bottom of the material tank 1, and the denitrifier enters the discharge pipe 6-4. The second motor 6-5 is started to control the extrusion spiral blade 6-6 to start rotating. During the process, the second heating tube 6-7 heats the discharge pipe 6-4 to keep the denitrifier at a uniform temperature for discharging. When the discharge pipe 6-4 needs to be cleaned, the docking flange 6-3 can be removed, and the discharge pipe 6-4 can be removed and supported on the ground by the pulley bracket 7 at the bottom for movement.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preventing blocking of denitrification agent feeding in dry denitrification equipment, characterized in that: include A material tank (1), a convex layer (2), and a plurality of supporting legs (3), wherein the convex layer (2) is arranged on the outer surface of the material tank (1), and the supporting legs (3) are fixed on the bottom surface of the convex layer (2); A top frame (4) and a discharge control assembly (5), wherein the top frame (4) is fixed on the top of the material tank (1), and the discharge control assembly (5) is arranged inside the material tank (1); A heating and discharging component (6), wherein the heating and discharging component (6) is arranged at the bottom of the material tank (1); The discharge control assembly (5) comprises a drive motor (5-1), the drive motor (5-1) is mounted on the top of the top frame (4), a drive gear (5-2) is provided at the output end of the drive motor (5-1), a telescopic cylinder (5-3) is fixedly connected to the top of the top frame (4), an extension control rod (5-4) is connected to the output end of the telescopic cylinder (5-3), and the extension control rod (5-4) is located inside the material tank (1).

2. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 1 is characterized in that: A slide frame (5-5) is arranged on the top of the material tank (1), a rotating sleeve frame (5-6) is rotatably connected inside the slide frame (5-5), the rotating sleeve frame (5-6) is movably sleeved on the outside of the extended control rod (5-4), a plurality of stirring frames (5-7) are arranged on the outside of the rotating sleeve frame (5-6), and a plurality of dispersion frames (5-8) are fixedly connected to the lower end of the rotating sleeve frame (5-6).

3. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 2 is characterized in that: An external gear (5-9) is fixedly connected to the top of the rotating sleeve (5-6), the external gear (5-9) is meshed with the driving gear (5-2), and a blocking cover (5-10) is fixedly connected to the inner surface of the material tank (1).

4. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 1, characterized in that: The heating and discharging component (6) comprises a thickened layer (6-1), the thickened layer (6-1) is fixed to the bottom of the material tank (1), a first heating pipe (6-2) is arranged in the thickened layer (6-1), a docking flange (6-3) is arranged at the bottom of the material tank (1), and a discharging pipe (6-4) is connected to the bottom of the docking flange (6-3).

5. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 4 is characterized in that: The outer surface of the discharge pipe (6-4) is fixedly connected to a second motor (6-5), the discharge pipe (6-4) is rotatably connected to an extrusion spiral blade (6-6), the extrusion spiral blade (6-6) is connected to the output end of the second motor (6-5), and a second heating tube (6-7) is arranged on the surface of the discharge pipe (6-4).

6. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 2, characterized in that: The dispersion rack (5-8) is in a triangular structure as a whole, and the lower end surface of the dispersion rack (5-8) is in contact with the inner bottom surface of the material tank (1).

7. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 4, characterized in that: The discharge pipe (6-4) is in an L-shaped structure as a whole, and a pair of pulley brackets (7) are arranged at the bottom of the discharge pipe (6-4).

8. The device for preventing denitrification agent from being discharged from a dry denitrification equipment according to claim 3 is characterized in that: The inner surface of the baffle (5-10) is bent downwardly at an angle, and the baffle (5-10) is made of a heat-insulating material.

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