Fixing device for detecting activity of flat plate type denitration catalyst

Abstract

The utility model provides a fixing device for detecting the activity of a flat plate type denitration catalyst, which is characterized by comprising a box body, a cover plate, a limiting plate, a fixing component and a sealing film, openings are formed in the two ends, in the smoke flowing direction, of the box body, the box body comprises three fixing plates, two of the fixing plates are oppositely arranged, and the other fixing plate is perpendicularly arranged between the two opposite fixing plates; the limiting plates are symmetrically arranged on the two opposite fixing plates, the limiting plates are connected with the cover plate, the box body is covered with the cover plate, and the cover plate is connected with the limiting plates through the fixing assemblies; the sealing film is used for sealing the connected part of the cover plate and the box body; and each flat plate type denitration catalyst of the catalyst group is loaded in the box body in a finished product catalyst module placing manner. The plate-type catalyst is fixed in the test module in a finished product loading manner, so that the device is simple and convenient to install and convenient to reuse.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of off -the -shelf catalytic detection technology especially to a kind of flat plate type denitration catalyst activity detection fixing device. BACKGROUND

[0002] SCR denitration catalyst is widely used in power plant and chemical industry, whether it is coal-fired power plant or gas power plant or chemical industry will use SCR denitration catalyst, so it needs to use flat plate type denitration catalyst activity detection to evaluate the activity index of coal-fired power plant flat plate type denitration catalyst.

[0003] Flat plate type denitration catalyst activity detection is by simulating specific flue gas component, flue gas temperature, flue gas flow through test sample, the change of flue gas component before and after measuring test sample is obtained test sample's denitration efficiency, activity, ammonia escape etc.index.The fixing device of present stage is mostly a frame with slot in two ends, by inserting flat plate type denitration catalyst into the slot of steel plate to complete installation, the installed module is placed into detection boat to test, but the device is not easy to load and the installed catalyst is not fixed, and it is easy to fall off in testing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of flat plate type denitration catalyst activity detection fixing device to solve the problem of inconvenient installation, not fixed etc.

[0005] The utility model provides a kind of including box, cover plate, limit plate, fixed assembly and sealing film;The both ends of the box are set as opening along the flue gas flow direction, the box includes three fixed plates, two fixed plates are oppositely arranged, and another fixed plate is vertically arranged between the two fixed plates;Limit plate is symmetrically arranged on the two fixed plates, limit plate is connected with cover plate, cover plate is covered on the box, and cover plate is connected with limit plate by fixed assembly;Sealing film is used to seal the connecting part of cover plate and box;Each flat plate type denitration catalyst of catalyst group is loaded in the box in finished catalyst module placement mode.

[0006] Preferably, the fixed assembly uses fixed screw, and the cover plate and the box are fixed by the fixed screw.

[0007] Preferably, the fixed screw is M4 screw.

[0008] Preferably, the length of the box is 800mm, the width is 155mm, and the height is 155mm.

[0009] Preferably, the length of the cover plate is 800mm, the width is 155mm, and the thickness is 2mm.

[0010] Preferably, the box and the cover plate are provided with 8 symmetrical coaxial screw holes.

[0011] Preferably, the length of the sealing film is 800mm when used.

[0012] Preferably, the sealing film is made of tin paper or aluminum foil paper.

[0013] Preferably, the thickness of the sealing film is 50mm.

[0014] Preferably, the material of the fixing screw is stainless steel.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a flat plate type denitration catalyst can be firmly fixed in a module in product loading mode, meets the test detection requirement, and the device is simple, has few parts and is easy to manufacture, loading is simple, and the repeatability is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is the structural schematic drawing of the flat plate type denitration catalyst activity detection fixing device of the utility model embodiment;

[0019] Figure 2 It is the schematic drawing of the utility model embodiment installation in the process test bench sample boat.

[0020] Mark explanation:

[0021] 1: box;2: cover plate;3: coaxial screw hole;4: limiting plate;5: fixing screw;6: sealing film. SPECIFIC EMBODIMENT

[0022] The technical scheme of the utility model will be described clearly and completely in combination with the embodiments, and obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] As shown in Figure 1 and Figure 2 The utility model provides a kind of fixed device for flat plate type denitration catalyst activity detection, including box 1, cover plate 2, limit plate 4, fixed assembly and sealing film 6. Box 1 is provided as opening along the both ends of flue gas flow direction, and box 1 includes three fixed plates, two fixed plates are oppositely arranged, and another fixed plate is vertically arranged between the two fixed plates. Limit plate 4 is symmetrically arranged on the two fixed plates, and limit plate 4 is connected with cover plate 2, cover plate 2 is covered on box 1, and cover plate 2 is connected with limit plate 4 by fixed assembly. Sealing film 6 is used to seal the connecting part of cover plate 2 and box 1. Each flat plate type denitration catalyst of catalyst group is loaded in box 1 with finished catalyst module placement mode.

[0026] In some preferred embodiments, 8 symmetrical coaxial screw holes 3 are respectively provided on box 1 and cover plate 2. Fixed assembly adopts fixed screw 5, and cover plate 2 and box 1 are fixed by fixed screw 5. Preferably, fixed screw 5 is M4 screw. The material of fixed screw 5 is stainless steel.

[0027] In some preferred embodiments, the box body 1 has a length of 800 mm, a width of 155 mm, and a height of 155 mm, and a wall thickness of 1 mm. The cover plate 2 has a length of 800 mm, a width of 155 mm, and a thickness of 2 mm. The limit plate 3 has a width of 15 mm. The fixing screw 5 has a diameter of 3.5 mm.

[0028] The sealing film 6 is made of tin foil or aluminum foil and is used to seal the box 1. The sealing film 6 is cut to a length of 800 mm when in use. The thickness of the sealing film 6 is 50 mm.

[0029] A group of flat-plate denitrification catalysts to be tested are loaded into the box 1 in the manner of finished products, the box 1 is connected to the cover 2 with fixing screws 5, and finally the interface is sealed with a sealing film 6 to form a module as a whole.

[0030] In the specific implementation, first use the shearing machine to cut the flat denitrification catalyst to be tested into 600*155mm 2 Cutting 800*50mm at the same time 2 tinfoil, stagger 20 to 25 catalysts in the box 1 to fill the entire box, fix the cover 2 to the box 1 with the fixing screws 5, tighten the fixing screws 5, and seal the joints with the cut tinfoil. Finally, load the loaded module into the test boat for testing.

[0031] The utility model provides a fixing device for detecting the activity of a flat-plate denitrification catalyst. The device is simple and easy to process. By directly loading the catalyst into the box, the scenario of the catalyst module during actual use is better simulated. The operation is simple, and the catalyst is firmly fixed and not easy to fall off.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fixing device for detecting the activity of a flat-plate denitration catalyst, characterized in that: The invention comprises a box body (1), a cover plate (2), a limiting plate (4), a fixing assembly and a sealing film (6); the box body (1) is provided with openings at both ends along the direction of smoke flow; the box body (1) comprises three fixing plates, two of which are arranged opposite to each other, and the other fixing plate is arranged vertically between the two opposite fixing plates; The limiting plates (4) are symmetrically arranged on the two opposite fixing plates, the limiting plates (4) are connected to the cover plates (2), the cover plates (2) are covered on the box body (1), and the cover plates (2) and the limiting plates (4) are connected via the fixing assembly; the sealing film (6) is used to seal the connecting portion between the cover plates (2) and the box body (1); each flat-plate denitration catalyst of the catalyst group is loaded into the box body (1) in the manner of a finished catalyst module.

2. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 1, characterized in that: The fixing assembly uses fixing screws (5), and the cover plate (2) and the box body (1) are fixed by the fixing screws (5).

3. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 2, characterized in that: The fixing screw (5) is an M4 screw.

4. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 1, characterized in that: The box body (1) has a length of 800 mm, a width of 155 mm and a height of 155 mm.

5. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 4, characterized in that: The cover plate (2) has a length of 800 mm, a width of 155 mm and a thickness of 2 mm.

6. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 1, characterized in that: The box body (1) and the cover plate (2) are provided with eight symmetrical coaxial screw holes (3).

7. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 1, characterized in that: The sealing film (6) is cut to a length of 800 mm when in use.

8. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 7, characterized in that: The sealing film (6) is made of tin foil or aluminum foil.

9. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 8, characterized in that: The thickness of the sealing film (6) is 50 mm.

10. The fixing device for detecting the activity of a flat-plate denitration catalyst according to claim 2, characterized in that: The material of the fixing screw (5) is stainless steel.

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