Honeycomb type denitration catalyst convenient to combine and install

Abstract

The utility model discloses a honeycomb type denitration catalyst convenient to combine and install, and relates to the technical field of honeycomb type denitration catalysts, the honeycomb type denitration catalyst convenient to combine and install comprises a supporting top frame, a fixed clamping block, a catalytic monomer, a first fixed through hole and a second fixed through hole, the fixed clamping block is installed above the supporting top frame, the first fixed through hole is formed in the fixed clamping block, and the second fixed through hole is formed in the catalytic monomer. An isolation gasket is installed below the supporting top frame, a catalytic monomer is arranged on the inner side of the isolation gasket, a steel wire is arranged on the side face of the catalytic monomer, a side protection plate is arranged on the outer side of the isolation gasket, a flow guide groove is formed in the outer side of the side protection plate, and an air inlet opening is formed below the flow guide groove. According to the equipment, the flow guide groove of a Tesla valve structure is formed in the side face of the side protection plate, gas backflow can be prevented, meanwhile, airflow movement of the side protection plate can be accelerated, the upper inlet and the lower outlet of the flow guide groove correspond to the air inlet openings one to one, gaps can be reserved for gas circulation, and through holes are effectively prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of honeycomb denitration catalysts, in particular to a honeycomb denitration catalyst which is convenient for assembly and installation. Background Art

[0002] Denitrification catalyst is a catalyst used in the denitrification system. It refers to the catalyst used in the denitrification system of power plants. In the SCR reaction, it is a substance that causes the reductant to selectively react with nitrogen oxides in the flue gas at a certain temperature. However, the existing denitrification catalyst has some shortcomings, such as:

[0003] A denitration catalyst described in Publication No. CN107020079A uses irregular gaps to form a monomer, which results in uneven force on the supporting structure of the catalyst shell, which can easily cause the monomer to collapse under the action of gravity extrusion. In addition, the irregular gaps have different airflow rates, and smoke blockage is likely to occur in small hole gaps. Utility Model Content

[0004] The purpose of the utility model is to provide a honeycomb denitrification catalyst which is easy to assemble and install, so as to solve the problem proposed in the above background technology that the equipment on the existing market adopts irregular gaps to form a monomer, resulting in uneven force on the supporting structure of the catalyst shell, which can easily cause the monomer to collapse under the action of gravity squeezing, and the irregular gaps have different airflow rates, and smoke blockage is likely to occur in small hole gaps.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a honeycomb denitration catalyst that is easy to assemble and install, comprising a supporting top frame, a fixed block, a catalytic monomer, a first fixed through hole and a second fixed through hole;

[0006] A fixed block is installed above the support top frame, a first fixed through hole is arranged in the fixed block, an isolation gasket is installed below the support top frame, a catalytic monomer is arranged on the inner side of the isolation gasket, a steel wire is arranged on the side of the catalytic monomer, a side guard plate is arranged on the outer side of the isolation gasket, a guide groove is arranged on the outer side of the side guard plate, and an air inlet notch is arranged below the guide groove.

[0007] As a preferred technical solution of the utility model, the top of the supporting frame is a square grid structure, and the supporting frame is formed of a whole steel plate to form the grid structure, the brackets are all square, and the width of the edge of the supporting frame is twice that of the grid part;

[0008] By adopting the above technical solution, the equipment uses a whole steel plate to form the supporting top frame, which can ensure that the equipment has sufficient structural strength. The whole steel plate forms a grid structure, which can effectively reduce the overall equipment quality and support. At the same time, the width of the edge of the supporting top frame is twice that of the grid part, which is more convenient for connection with other components.

[0009] As a preferred technical solution of the utility model, a second fixed through-hole is provided at the intersection of the grid of the support top frame, and the second fixed through-hole is a square structure. Four air inlet notches are provided at the edge positions around the support top frame, and the depth of the air inlet notches is half of the width of the edge of the support top frame;

[0010] By adopting the above technical solution, the device can be offset and rotated during the fixing process by setting the second fixing through-hole to a square structure.

[0011] As a preferred technical solution of the utility model, the midpoint of the support frame grid support is fixedly connected to an isolation gasket, the thickness of the isolation gasket is half of the support frame grid support, and the bottom of the isolation gasket is fixedly connected to the surface of the support frame while the two sides are not connected, and a square gap is set at the intersection of four vertically arranged isolation gaskets;

[0012] By adopting the above technical solution, the device can provide good protection for the catalytic monomers by fixing the isolation gasket at the midpoint of the supporting top frame grid bracket, thereby preventing the catalytic monomers from being damaged by collision, while the independent structure before the isolation gasket can.

[0013] As a preferred technical solution of the utility model, a catalytic monomer is placed in the support frame grid, both ends of the catalytic monomer are in contact with the isolation gasket, a large number of square through holes are provided inside the catalytic monomer, and the edges of the catalytic monomer through holes are flush with the inner edges of the support frame grid;

[0014] By adopting the above technical solution, the device can ensure the maximum efficiency of improving the air circulation effect by aligning the edge of the catalyst monomer through hole with the inner edge of the supporting top frame grid.

[0015] As a preferred technical solution of the utility model, a fixed block is welded above the support top frame, a first fixed through hole is opened at the intersection of the diagonals of the fixed block, the aperture of the first fixed through hole is consistent with that of the second fixed through hole, and a steel wire is welded in the first fixed through hole;

[0016] By adopting the above technical solution, the device connects the fixed clamp blocks up and down by welding steel wires to fix the supporting top frames, thereby ensuring a firm connection between the supporting top frames.

[0017] As the preferred technical solution of the utility model, side guard plates are welded around the supporting top frame, and a guide groove is provided on the outer side of the side guard plate. The guide groove is a Tesla valve structure with a depth of half the thickness of the side guard plate. A supporting frame is welded to the bottom of the side guard plate, and the supporting frame structure is opposite to the supporting top frame in the same direction. The other end of the steel wire is welded to the fixed block at the bottom of the supporting frame, and the upper and lower inlet and outlet positions of the guide groove correspond one by one to the air inlet notch.

[0018] By adopting the above technical solution, the device sets a guide groove with a Tesla valve structure on the side of the side guard plate, which can not only prevent gas backflow, but also accelerate the airflow movement of the side guard plate. The upper and lower inlet and outlet positions of the guide groove correspond to the air inlet notch one by one, which can reserve gaps for gas circulation.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The equipment uses a whole piece of steel plate to form the support frame, which can ensure that the equipment has sufficient structural strength. The whole piece of steel plate forms a grid structure, which can effectively reduce the overall equipment quality and support. At the same time, the width of the edge of the support frame is twice that of the grid part, which is more convenient for connection with other parts.

[0021] 2. The device can be offset and rotated during the fixing process by setting the second fixing through-hole into a square structure;

[0022] 3. The equipment can provide good protection for the catalytic monomers by fixing and connecting the isolation gasket at the midpoint of the supporting top frame grid bracket to prevent damage caused by collision between the catalytic monomers, and the independent structure before the isolation gasket can;

[0023] 4. The equipment can ensure the maximum efficiency of improving the air circulation effect by aligning the edge of the catalyst monomer through hole with the inner edge of the supporting top frame grid;

[0024] 5. The equipment connects the fixed block up and down by welding steel wire to fix the support frame, which can ensure the firm connection between the support frames;

[0025] 6. The device sets a guide groove with a Tesla valve structure on the side of the side guard plate, which can not only prevent gas backflow, but also accelerate the airflow movement of the side guard plate. The upper and lower inlet and outlet positions of the guide groove correspond to the air inlet notch one by one, which can reserve gaps for gas circulation and effectively prevent blockage of the through holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0027] Figure 2This is a schematic diagram of the three-dimensional structure of the utility model when viewed from the right side;

[0028] Figure 3 This is a left-view stereoscopic structural diagram of the supporting top frame of the utility model;

[0029] Figure 4 This is a right-side perspective structural diagram of the supporting top frame of the utility model;

[0030] Figure 5 This is a left-view stereoscopic structural diagram of the supporting top frame of the utility model;

[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the support top frame of the utility model when viewed from the right side;

[0032] Figure 7 This is a left-side stereoscopic structural diagram of the fixed card block of the utility model;

[0033] Figure 8 It is a schematic diagram of the three-dimensional structure of the side guard plate of the utility model when viewed from the left.

[0034] In the figure: 1. supporting top frame; 2. fixing block; 3. catalytic monomer; 4. first fixing through hole; 5. side guard plate; 6. guide groove; 7. air inlet notch; 8. isolation gasket; 9. steel wire; 10. supporting bottom frame; 11. second fixing through hole. DETAILED DESCRIPTION

[0035] 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.

[0036] See also Figure 1-8 , the technical solution of the utility model: a honeycomb denitration catalyst that is easy to assemble and install, including a supporting top frame 1, a fixed block 2, a catalytic monomer 3, a first fixed through hole 4, a side guard plate 5, a guide groove 6, an air inlet notch 7, an isolation gasket 8, a steel wire 9, a supporting bottom frame 10 and a second fixed through hole 11;

[0037] A fixed card block 2 is installed above the support top frame 1, and a first fixed perforation 4 is arranged in the fixed card block 2. The top of the support top frame 1 is a square grid structure, and the support top frame 1 adopts a whole steel plate to form a grid structure. Its brackets are all square, and the width of the edge of the support top frame 1 is twice that of the grid part. The equipment adopts a whole steel plate to form the support top frame 1, which can ensure that the equipment has sufficient structural strength, and the whole steel plate forms a grid structure, which can effectively reduce the overall equipment quality and support. At the same time, the width of the edge of the support top frame 1 is twice that of the grid part, which is more convenient for connection with other parts. An isolation gasket 8 is installed under the support top frame 1, and a second fixed perforation 11 is opened at the intersection of the support top frame 1 grid. The second fixed perforation 11 is a square structure, four air inlet notches 7 are provided at the edges of the four sides of the support frame 1, and the depth of the air inlet notches 7 is half of the width of the edge of the support frame 1. The device can be offset and rotated during the fixing process by setting the second fixed perforation 11 to a square structure. A catalytic monomer 3 is provided on the inner side of the isolation gasket 8, and a steel wire 9 is provided on the side of the catalytic monomer 3. The isolation gasket 8 is fixedly connected to the midpoint of the grid bracket of the support frame 1, and the thickness of the isolation gasket 8 is half of the grid bracket of the support frame 1. The bottom of the isolation gasket 8 is fixedly connected to the surface of the support frame 1, and the two sides are not connected. A square gap is provided at the intersection of the four isolation gaskets 8 arranged vertically. The device is fixedly connected to the midpoint of the grid bracket of the support frame 1. The isolation gasket 8 is fixedly connected in position, which can play a good protective role for the catalytic monomer 3 and prevent the catalytic monomers 3 from being damaged by collisions with each other. The independent structure before the isolation gasket 8 can be, and a side guard plate 5 is arranged on the outside of the isolation gasket 8. The catalytic monomer 3 is placed in the grid of the supporting top frame 1. The two ends of the catalytic monomer 3 are in contact with the isolation gasket 8. A large number of square through holes are opened on the inside of the catalytic monomer 3, and the edges of the through holes of the catalytic monomer 3 are flush with the inner edges of the grid of the supporting top frame 1. The device can ensure the maximum efficiency of improving the air circulation effect by aligning the edges of the through holes of the catalytic monomer 3 with the inner edges of the grid of the supporting top frame 1. A guide groove 6 is arranged on the outside of the side guard plate 5. A fixed block 2 is welded on the top of the supporting top frame 1. The diagonal intersection of the fixed block 2 A first fixed through hole 4 is provided at the position, and the aperture of the first fixed through hole 4 is consistent with that of the second fixed through hole 11. A steel wire 9 is welded in the first fixed through hole 4. The equipment connects the fixed block 2 up and down by welding the steel wire 9 to fix the support top frame 1, which can ensure the firm connection between the support top frames 1. An air inlet notch 7 is provided below the guide groove 6. Side guard plates 5 are welded around the support top frame 1. A guide groove 6 is provided on the outside of the side guard plates 5. The guide groove 6 is a Tesla valve structure, and the depth is half the thickness of the side guard plates 5. A support frame 10 is welded to the bottom of the side guard plates 5. The structure of the support frame 10 is opposite to the support top frame 1 in the same direction. The other end of the steel wire 9 is welded to the fixed block 2 at the bottom of the support frame 10. The upper and lower inlet and outlet positions of the guide groove 6 correspond to the air inlet notch 7 one by one.The device can not only prevent gas backflow but also accelerate the air flow of the side guard plate 5 by setting a guide groove 6 with a Tesla valve structure on the side of the side guard plate 5. The upper and lower inlet and outlet positions of the guide groove 6 correspond to the air inlet notch 7 one by one, which can reserve a gap for gas circulation.

[0038] Working principle: When using this honeycomb denitrification catalyst which is easy to assemble and install, first insert the catalytic monomer 3 vertically into the grid of the supporting frame 10, and place the isolation gasket 8 between the catalytic monomers 3, then cover the supporting top frame 1 on top of the catalytic monomer 3, pass the steel wire 9 through the first fixed through-hole 4 of the fixed block 2, and weld it, then insert the steel wire 9 into the second fixed through-hole 11 of the supporting frame 10, and pass it out from the bottom of the second fixed through-hole 11 of the supporting frame 10 and weld it to the fixed block 2. After the module is assembled, it is stacked. After the stacking and installation are completed, the side guard plates 5 will be tightly attached, and the airflow will be accelerated under the action of the Tesla valve after passing through the guide groove 6, and the backflow will be suppressed.

[0039] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] 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 honeycomb denitration catalyst that is easy to assemble and install, comprising a supporting top frame (1), a fixed block (2), a catalytic monomer (3), a first fixed through hole (4) and a second fixed through hole (11), characterized in that: A fixed block (2) is installed above the support frame (1), a first fixed through hole (4) is arranged in the fixed block (2), an isolation gasket (8) is installed below the support frame (1), a catalytic monomer (3) is arranged on the inner side of the isolation gasket (8), a steel wire (9) is arranged on the side of the catalytic monomer (3), a side guard plate (5) is arranged on the outer side of the isolation gasket (8), a guide groove (6) is arranged on the outer side of the side guard plate (5), and an air inlet notch (7) is arranged below the guide groove (6).

2. A honeycomb denitration catalyst that is easy to assemble and install according to claim 1, characterized in that: The top of the supporting top frame (1) is a square grid structure, and the supporting top frame (1) uses a whole steel plate to form the grid structure, its brackets are all square, and the width of the edge of the supporting top frame (1) is twice that of the grid part.

3. A honeycomb denitration catalyst that is easy to assemble and install according to claim 2, characterized in that: The support frame (1) is provided with a second fixed through hole (11) at the grid intersection position, the second fixed through hole (11) is a square structure, and four air inlet notches (7) are provided at the edge positions of the four sides of the support frame (1), the depth of the air inlet notches (7) being half of the edge width of the support frame (1).

4. A honeycomb denitration catalyst that is easy to assemble and install according to claim 3, characterized in that: An isolation gasket (8) is fixedly connected to the midpoint of the grid support of the support top frame (1); the thickness of the isolation gasket (8) is half of the grid support of the support top frame (1); the bottom of the isolation gasket (8) is fixedly connected to the surface of the support top frame (1) while the two sides are not connected; and a square gap is provided at the intersection of four vertically arranged isolation gaskets (8).

5. The honeycomb denitration catalyst that is easy to assemble and install according to claim 4 is characterized in that: A catalytic monomer (3) is placed in the grid of the supporting top frame (1), and both ends of the catalytic monomer (3) are in contact with the isolation gasket (8). A large number of square through holes are provided on the inner side of the catalytic monomer (3), and the edges of the through holes of the catalytic monomer (3) are flush with the inner edges of the grid of the supporting top frame (1).

6. A honeycomb denitration catalyst that is easy to assemble and install according to claim 5, characterized in that: A fixed block (2) is welded above the supporting top frame (1), a first fixed through hole (4) is provided at the intersection of the diagonals of the fixed block (2), the aperture of the first fixed through hole (4) is consistent with that of the second fixed through hole (11), and a steel wire (9) is welded inside the first fixed through hole (4).

7. The honeycomb denitration catalyst that is easy to assemble and install according to claim 6, characterized in that: The supporting top frame (1) is welded with side guard plates (5) around it, and a guide groove (6) is provided on the outer side of the side guard plate (5). The guide groove (6) is a Tesla valve structure, and the depth of the guide groove (6) is half the thickness of the side guard plate (5). The bottom of the side guard plate (5) is welded with a supporting bottom frame (10), and the structure of the supporting bottom frame (10) is opposite to the supporting top frame (1) in the same direction. The other end of the steel wire (9) is welded to a fixed block (2) at the bottom of the supporting bottom frame (10), and the upper and lower inlet and outlet positions of the guide groove (6) correspond one-to-one to the air inlet notch (7).

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