Anti-water and anti-sulfur denitration catalyst metering feeder

Abstract

The utility model discloses anti -water anti -sulfur denitration catalyst metering feeding machine belongs to the technical field of feeding machine, including the shell, the shell outer wall is set up with the insertion hole, the metering mechanism, the metering mechanism includes the pivot of being inserted in the insertion hole, the pivot outer wall is along the axis and is surrounded and is set up with a plurality of material grooves, the pivot is configured as the effective volume of material groove is changed through the depth of insertion shell is changed, wherein, the vibration mechanism, the vibration mechanism includes the fixed shell of being connected to the one side of shell, the fixed shell inside is provided with the push -back, the push -back one side is connected with two impact rods, the push -back is configured as reciprocating motion in the fixed shell to push the impact rod periodic impact shell, in the utility model, through setting metering mechanism dynamic adjustment catalyst feeding dose improves the process coherence, sets up the vibration mechanism and reduces catalyst residual simultaneously, reduces the measurement error.

Description

Technical Field

[0001] This utility model belongs to the field of feeding machine technology, and in particular relates to a metering feeding machine for water-resistant, sulfur-resistant, and denitrification catalysts. Background Technology

[0002] Water- and sulfur-resistant denitrification catalysts use vanadium pentoxide as the main active component, with tungsten and molybdenum as auxiliary catalysts, and titanium dioxide as a carrier. While ensuring high denitrification activity, they effectively solve the key problem of easy poisoning and deactivation in sulfur-containing and humid flue gas. They are mainly used in industrial fields that generate complex flue gas with high sulfur and high humidity, such as coal combustion, oil combustion, waste incineration, biomass combustion, and coking. They are the core technology and equipment for achieving strict NOx emission control in these industries. Their performance directly affects the long-term stable operation cost and environmental compliance reliability of the denitrification system.

[0003] Traditional feeding machines lack a dynamic adjustment mechanism for the feeding dosage. They typically use molds or troughs with preset volumes to hold a fixed amount of catalyst. When the production process requires a change in the amount of catalyst added, the machine must be stopped to replace the weighing molds or troughs with different volumes to meet the process requirements, affecting equipment utilization and overall capacity. At the same time, during the conveying and weighing process, the catalyst in traditional feeding machines tends to adhere to the inner walls of containers such as troughs and hoppers. Some of the catalyst remaining on the inner walls fails to fall into the reaction zone according to the set amount, affecting the accuracy of the reaction ratio and potentially impacting the quality of the final product. In addition, unused catalyst at the bottom of the silo or trough can easily form stable arch bridges due to internal friction and compaction, hindering the smooth flow of materials and causing interruptions or obstructions in the feeding process. Utility Model Content

[0004] In view of the above-mentioned problems in the prior art, this utility model is proposed.

[0005] The purpose of this utility model is to solve the problems of traditional feeders being unable to dynamically adjust the feed dosage and the errors caused by catalyst residue inside the feeder, and to propose a water-resistant and sulfur-resistant denitrification catalyst metering feeder.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine, including a housing, an insertion hole on the outer wall of the housing, a metering mechanism, the metering mechanism including a rotating shaft passing through the insertion hole, a plurality of material grooves being formed around the outer wall of the rotating shaft along its axis, the rotating shaft being configured to change the effective volume of the material grooves by changing the insertion depth into the housing, and a vibration mechanism, the vibration mechanism including a fixed shell connected to one side of the housing, a push plate being provided inside the fixed shell, two impact rods being connected to one side of the push plate, the push plate being configured to reciprocate within the fixed shell to push the impact rods to periodically impact the housing.

[0007] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a fixed column is provided inside the rotating shaft, and a telescopic ring is sleeved on the outside of one end of the fixed column, and one end of the telescopic ring is rotatably connected to one end of the rotating shaft.

[0008] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a mounting plate is provided on one side of the telescopic ring, and a first motor is fixedly installed on one side of the mounting plate, and the output end of the first motor is fixedly connected to one end of the fixed column.

[0009] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a closed ring is rotatably connected to one side of the outer shell, one end of the rotating shaft passes through the closed ring, and the cross-sectional shape of the protruding part of the closed ring is the same as the cross-sectional shape of the material trough.

[0010] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, the metering mechanism further includes a mounting shell connected to one side of the outer shell, a lead screw rotatably connected to the inner wall of the mounting shell, a movable seat provided outside the lead screw, and one side of the movable seat being fixedly connected to the outer wall of the telescopic ring through a rod body.

[0011] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, the inner walls on both sides of the fixed shell are provided with slide rails, and the outer walls on both sides of the push plate are provided with slide grooves, and the outer walls of the slide rails are slidably connected to the inner walls of the slide grooves.

[0012] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a sleeve rod is connected to one side of the push plate, and a spring is sleeved on the outside of the sleeve rod, and the two ends of the spring are fixedly connected to the corresponding positions of the outer wall of the baffle and the inside of the fixed shell, respectively.

[0013] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, the vibration mechanism further includes a connecting block, the end of the connecting block is connected to a contact block, the environmental shape of the connecting block is Y-shaped, and the cross-sectional shape of the contact block is circular.

[0014] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a third motor is fixedly installed on the outer wall of the fixed shell, and the output end of the third motor is fixedly connected to one side of the connecting block.

[0015] As a preferred embodiment of the water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine of this utility model, wherein: preferably, a discharge port is provided at the top of the outer shell, a cover plate is provided above the discharge port, and a discharge port is provided at the bottom of the outer shell.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: 1. In this utility model, the depth of the rotating shaft inserted into the insertion hole is controlled by controlling the second motor in the dosing mechanism. When a large dose of catalyst is needed, the rotating shaft is pulled outward, and when a small dose of catalyst is needed, the rotating shaft is inserted inward, so as to realize the real-time adjustment of the effective volume of the material tank. The quantitative feeding of catalyst can be completed without stopping the machine to change the weighing mold.

[0017] 2. In this utility model, a vibration mechanism is set on the outer wall of the shell to periodically impact the shell, thereby vibrating the shell and preventing the catalyst from adhering to the inner wall of the shell, thus reducing the actual material shortage and metering error. At the same time, the vibration prevents the accumulation of unused catalyst inside the shell from forming arch bridges, ensuring smooth feeding. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of the water-resistant and sulfur-resistant denitrification catalyst metering and feeding machine proposed in this utility model; Figure 2 This is a schematic diagram showing the disassembled structure of the water-resistant and sulfur-resistant denitrification catalyst metering and feeding machine proposed in this utility model. Figure 3 This is a half-sectional structural diagram of the metering mechanism of the water-resistant and sulfur-resistant denitrification catalyst metering and feeding machine proposed in this utility model. Figure 4 This is a half-sectional structural diagram of the vibration mechanism of the metering and feeding machine for the water-resistant, sulfur-resistant, and denitrification catalyst proposed in this utility model.

[0019] Legend: 1. Outer shell; 2. Discharge port; 3. Insertion hole; 4. Metering mechanism; 401. Rotating shaft; 402. Material trough; 403. Fixed column; 404. Telescopic ring; 405. Mounting plate; 406. First motor; 407. Mounting shell; 408. Lead screw; 409. Moving seat; 410. Second motor; 5. Vibration mechanism; 501. Fixed shell; 502. Push plate; 503. Slide rail; 504. Connecting block; 505. Contact block; 506. Impact rod; 507. Sleeve rod; 508. Spring; 509. Third motor; 6. Closing ring; 7. Cover plate; 8. Discharge port. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example 1

[0021] Reference Figures 1-3 This is the first embodiment of the present invention. This embodiment provides a metering and feeding machine for water-resistant, sulfur-resistant, and denitrification catalysts, including a housing 1. The outer wall of the housing 1 has an insertion hole 3. A metering mechanism 4 includes a rotating shaft 401 that passes through the insertion hole 3. The outer wall of the rotating shaft 401 has multiple material grooves 402 arranged around its axis. The rotating shaft 401 is configured to change the effective volume of the material grooves 402 by changing the depth of insertion into the housing 1. A vibration mechanism 5 includes a fixed shell 501 connected to one side of the housing 1. A push plate 502 is provided inside the fixed shell 501. Two impact rods 506 are connected to one side of the push plate 502. The push plate 502 is configured to reciprocate within the fixed shell 501 to push the impact rods 506 to periodically impact the housing 1.

[0022] Furthermore, a fixing post 403 is provided inside the rotating shaft 401, and a telescopic ring 404 is sleeved on the outside of one end of the fixing post 403. One end of the telescopic ring 404 is rotatably connected to one end of the rotating shaft 401.

[0023] Furthermore, a mounting plate 405 is provided on one side of the telescopic ring 404, and a first motor 406 is fixedly installed on one side of the mounting plate 405. The output end of the first motor 406 is fixedly connected to one end of the fixed column 403.

[0024] Furthermore, a closed ring 6 is rotatably connected to one side of the outer shell 1, and one end of the rotating shaft 401 passes through the closed ring 6. The cross-sectional shape of the protruding part of the closed ring 6 is the same as the cross-sectional shape of the material trough 402.

[0025] Furthermore, the measuring mechanism 4 also includes a mounting shell 407 connected to one side of the outer shell 1. A lead screw 408 is rotatably connected to the inner wall of the mounting shell 407. A movable seat 409 is provided outside the lead screw 408. One side of the movable seat 409 is fixedly connected to the outer wall of the telescopic ring 404 through a rod.

[0026] In use, the second motor 410 drives the lead screw 408 to rotate through its output end. The external thread on the outer wall of the lead screw 408 meshes with the internal helix on the inner wall of the moving seat 409. When the lead screw 408 rotates, the moving seat 409 can move along the direction of the lead screw 408. One end of the moving seat 409 is inserted into the outer wall of the telescopic ring 404 through the rod and is fixedly connected to the telescopic ring 404. When the moving seat 409 moves, it drives the telescopic ring 404. When the moving seat 409 moves closer to the outer shell 1 along the direction of the lead screw 408, the telescopic ring 404 moves closer to the outer wall of the moving seat 409 in sync. The telescopic ring 404 pushes the rotating shaft 401, so that one end of the rotating shaft 401 is further inserted into the insertion hole 3. One end of the rotating shaft 401 passes through the closed ring 6. A limiting ring is provided on the outer wall of the closed ring 6. The limiting ring is embedded in the outer shell 1, and the outer wall of the limiting ring is connected to the outer wall of the outer shell 1. The inner wall of the shell 1 is slidably connected. The cross-sectional shape and cross-sectional area of ​​the protruding part of the closed ring 6 are equal to those of the material tank 402. As the rotating shaft 401 is inserted into the insertion hole 3, one end of the rotating shaft 401 extends outward from the closed ring 6, reducing the effective volume of the material tank 402 and decreasing the amount of catalyst falling into the material tank 402 from the discharge port 2. Conversely, it increases the effective volume of the material tank 402 and increases the amount of catalyst falling into the material tank 402 from the discharge port 2. The first motor 406 drives the fixed column 403 to rotate through the output end. The fixed column 403 is fixedly connected to the inner wall of the rotating shaft 401 through the rod body. The rotating shaft 401 rotates synchronously with the fixed column 403. One end of the rotating shaft 401 is rotatably connected to one end of the telescopic ring 404. After the material is discharged, the rotating shaft 401 rotates to turn the material tank 402 containing the catalyst to the bottom, and the catalyst leaves the device from the discharge port 8.

[0027] It should be noted that the selection of the first motor 406 and the second motor 410 and the control unit in the above description are selected as needed. This part is well-known technology in the field and will not be described in detail here.

[0028] It should be noted that when the lead screw 408 rotates as described above, the movable seat 409, which is threadedly engaged with it, will move along the axial direction of the lead screw 408. This motion conversion is achieved through the lead of the thread, which refers to the distance the movable seat 409 moves per revolution of the lead screw 408. The coordinated work of the lead screw 408 and the movable seat 409 enables precise linear motion control. By controlling the rotation angle of the lead screw 408, the moving distance of the movable seat 409 can be precisely controlled, thereby achieving precise positioning and control of the equipment. This part is well-known technology in the field and will not be elaborated here. Example 2

[0029] Reference Figure 4 This is the second embodiment of the present utility model.

[0030] Furthermore, slide rails 503 are provided on both inner walls of the fixed shell 501, and slide grooves are provided on both outer walls of the push plate 502. The outer wall of the slide rail 503 is slidably connected to the inner wall of the slide groove.

[0031] Furthermore, a sleeve rod 507 is connected to one side of the push plate 502, and a spring 508 is sleeved on the outside of the sleeve rod 507. The two ends of the spring 508 are fixedly connected to the corresponding positions of the outer wall of the baffle and the inside of the fixed shell 501, respectively.

[0032] Furthermore, the vibration mechanism 5 also includes a connecting block 504, with a contact block 505 connected to the end of the connecting block 504. The connecting block 504 has a Y-shaped shape, and the contact block 505 has a circular cross-sectional shape.

[0033] Furthermore, a third motor 509 is fixedly installed on the outer wall of the fixed housing 501, and the output end of the third motor 509 is fixedly connected to one side of the connecting block 504.

[0034] Furthermore, the top of the outer casing 1 is provided with a discharge port 2, a cover plate 7 is provided above the discharge port 2, and the bottom of the outer casing 1 is provided with a discharge port 8.

[0035] In use, the third motor 509 drives the connecting block 504 to rotate via its output end. Three branches are evenly arranged around the outer wall of the connecting block 504 along its axis. Each branch has a cylindrical contact block 505 connected to its end. The contact block 505 rotates synchronously with the connecting block 504. Initially, the end of the striking rod 506 is in contact with the outer wall of the outer casing 1. When the contact block 505 rotates until its circular surface contacts the side of the push plate 502, the contact block 505 continues to rotate, pushing the push plate 502 away from the outer casing 1. The striking rod 506 follows the push plate 506. 2. During the movement, the end of the impact rod 506 separates from the outer wall of the outer shell 1, the spring 508 is compressed, and when the contact block 505 rotates to the point where the circular surface separates from the side of the push plate 502, the spring 508 is released. The spring 508 pushes the push plate 502 back through its elastic force, and the push plate 502 pushes the impact rod 506. The end of the impact rod 506 strikes the outer wall of the outer shell 1. As the connecting block 504 continues to rotate, the impact rod 506 periodically strikes the outer wall of the outer shell 1, shaking off the catalyst adhering to the inner wall of the outer shell 1, while preventing the catalyst from forming an arch bridge inside the outer shell 1 and affecting the feeding.

[0036] It should be noted that the selection of the third motor 509 and the control unit in the above description are selected as needed. This part is well-known technology in the field and will not be described in detail here.

[0037] Operating procedure: The operator first starts the second motor 410 and adjusts the insertion depth of the rotating shaft 401 as required. After the requirement is met, the operator opens the cover plate 7 and puts the catalyst into the discharge port 2. The operator starts the third motor 509 to vibrate the device. Then, the operator starts the first motor 406 to release the catalyst from the discharge port 8 and delivers the specified amount of catalyst to the next process. When it is necessary to change the catalyst feeding dosage, the operator controls the second motor 410 to adjust the insertion depth of the rotating shaft 401 to change the effective volume of the material tank 402, thereby completing the adjustment of the feeding dosage.

[0038] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0039] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the currently considered best mode for carrying out the invention, or those features that are not relevant to implementing the invention) may be omitted.

[0040] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A metering and feeding machine for water-resistant, sulfur-resistant, and denitrification catalysts, characterized in that, include: The outer shell (1) has an insertion hole (3) on its outer wall; Measuring mechanism (4), the measuring mechanism (4) includes a rotating shaft (401) passing through the insertion hole (3), the outer wall of the rotating shaft (401) is provided with a plurality of material grooves (402) around the axis, the rotating shaft (401) is configured to change the effective volume of the material grooves (402) by changing the depth of insertion into the outer shell (1); Among them, the vibration mechanism (5) includes a fixed shell (501) connected to one side of the outer shell (1). A push plate (502) is provided inside the fixed shell (501). Two impact rods (506) are connected to one side of the push plate (502). The push plate (502) is configured to reciprocate within the fixed shell (501) to push the impact rods (506) to periodically impact the outer shell (1).

2. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 1, characterized in that, The rotating shaft (401) has a fixed column (403) inside, and a telescopic ring (404) is sleeved on the outside of one end of the fixed column (403). One end of the telescopic ring (404) is rotatably connected to one end of the rotating shaft (401).

3. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 2, characterized in that, A mounting plate (405) is provided on one side of the telescopic ring (404), and a first motor (406) is fixedly installed on one side of the mounting plate (405). The output end of the first motor (406) is fixedly connected to one end of the fixed column (403).

4. The water-resistant and sulfur-resistant denitrification catalyst metering and feeding machine according to claim 1, characterized in that, A closed ring (6) is rotatably connected to one side of the outer shell (1), and one end of the rotating shaft (401) passes through the closed ring (6). The cross-sectional shape of the protrusion of the closed ring (6) is the same as the cross-sectional shape of the material trough (402).

5. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 1, characterized in that, The measuring mechanism (4) also includes a mounting shell (407) connected to one side of the outer shell (1). A lead screw (408) is rotatably connected to the inner wall of the mounting shell (407). A movable seat (409) is provided on the outside of the lead screw (408). One side of the movable seat (409) is fixedly connected to the outer wall of the telescopic ring (404) through a rod.

6. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 1, characterized in that, The inner walls of both sides of the fixed shell (501) are provided with slide rails (503), and the outer walls of both sides of the push plate (502) are provided with sliding grooves. The outer wall of the slide rail (503) is slidably connected to the inner wall of the sliding groove.

7. The water-resistant and sulfur-resistant denitrification catalyst metering and feeding machine according to claim 6, characterized in that, A sleeve rod (507) is connected to one side of the push plate (502). A spring (508) is sleeved on the outside of the sleeve rod (507). The two ends of the spring (508) are fixedly connected to the corresponding positions of the outer wall of the baffle and the inside of the fixed shell (501).

8. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 1, characterized in that, The vibration mechanism (5) further includes a connecting block (504), the end of which is connected to a contact block (505). The connecting block (504) has a Y-shaped environment and the contact block (505) has a circular cross-sectional shape.

9. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 8, characterized in that, A third motor (509) is fixedly installed on the outer wall of the fixed shell (501), and the output end of the third motor (509) is fixedly connected to one side of the connecting block (504).

10. The water-resistant, sulfur-resistant, and denitrification catalyst metering and feeding machine according to claim 1, characterized in that, The outer shell (1) has a discharge port (2) at the top, a cover plate (7) above the discharge port (2), and a discharge port (8) at the bottom.

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