CN211120639U

CN211120639U - Efficient roasting equipment for SCR denitration catalyst

Info

Publication number: CN211120639U
Application number: CN201922327869.8U
Authority: CN
Inventors: 徐喜民; 徐喜志; 兰大为; 周承亮; 于戈文
Original assignee: Inner Mongolia University of Science and Technology
Current assignee: Inner Mongolia University of Science and Technology
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-28
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a high-efficient calcination equipment of SCR denitration catalyst, the power distribution box comprises a box body, first through-hole has been seted up to the box lateral wall, sliding connection of first through-hole department has the case of baking by fire, has seted up the box lateral wall fixedly connected with U-shaped slide rail of department of first through-hole, the second through-hole has been seted up at the box top, and the coaxial fixedly connected with blast pipe of second through-hole department. The utility model can remove impurities, convert metal salt into corresponding oxide, activate the species on the surface of the catalyst and enhance the synergistic effect of the catalyst and the carrier by properly sintering the SCR denitration catalyst, thereby improving the catalytic activity of the catalyst; the roasting efficiency can be effectively improved by arranging the multilayer roasting box; through the design of the exhaust pipe with the ball cavity at the top, when internal gas is increased and the pressure is increased, the ball body arranged in the ball cavity can be jacked up, the exhaust effect is achieved, and meanwhile, air outside the device cannot enter the device.

Description

Efficient roasting equipment for SCR denitration catalyst

Technical Field

The utility model relates to a denitration catalyst calcination technical field especially relates to a high-efficient firing equipment of SCR denitration catalyst.

Background

At present, China is a coal-fired big country, a coal-fired power plant is a primary emission source of nitrogen oxides, accounts for about 40% of the total amount, and becomes the first control object of the country, the honeycomb SCR denitration catalyst mainly has the function of converting NOX in exhaust gas into nitrogen and water vapor so as to reach the environment-friendly emission standard, and a reactant NH3 is sprayed into a reactor to reduce part of the exhaust gas into nitrogen. Because the reduction reaction is sensitive to temperature, a catalyst needs to be added to enhance the reaction activity, the temperature requirement of the reaction is met, the efficiency of the SCR denitration catalyst is reduced in the using process, and the production efficiency is reduced.

Therefore, the efficient roasting equipment for the SCR denitration catalyst is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving SCR denitration catalyst efficiency and can reducing in the use to reduce production efficiency's problem, and the high-efficient calcination equipment of SCR denitration catalyst that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an efficient roasting device for SCR denitration catalyst comprises a box body, wherein a first through hole is formed in the side wall of the box body, a roasting box is connected to the first through hole in a sliding mode, a U-shaped slide rail is fixedly connected to the side wall of the box body, the first through hole is formed in the first through hole, a second through hole is formed in the top of the box body, an exhaust pipe is fixedly connected to the second through hole in a coaxial mode, a ball cavity is formed in the middle of the exhaust pipe, a ball is arranged in the ball cavity, a U-shaped heating plate is arranged inside the box body, a power-on circuit is arranged on the U-shaped heating plate, a triangular sliding plate is arranged at the bottom of the roasting box body, one side of the triangular sliding plate is connected with the bottom of the roasting box body in a sliding mode, the other side of the triangular sliding plate is fixedly connected with the, a lifting handle is fixedly connected above the clip-shaped sealing ring.

Preferably, the ball is attached to the bottom of the ball cavity.

Preferably, the roasting box is of a multilayer structure, one surface of the roasting box is a sealing plate, one surface of the bottom surface of the roasting box, which is opposite to the sealing plate, is fixedly connected with an iron wire net, and two sides and the top of the bottom surface of the roasting box, which are adjacent to the sealing plate, are not provided with plates.

Preferably, the width of the U-shaped heating plate is equal to that of the roasting box, and the top of the U-shaped heating plate is fixedly connected with the inner side wall of the first through hole formed in the box body.

Preferably, the clip-shaped sealing ring is slidably connected on the U-shaped sliding rail.

Preferably, the material of the roasting box is made of iron.

The utility model has the advantages that:

1. the experimental device can remove impurities, convert metal salts into corresponding oxides, activate surface species of the catalyst, enhance the synergistic effect of the catalyst and a carrier and improve the catalytic activity of the catalyst by properly sintering the SCR denitration catalyst.

2. This experimental apparatus has multilayer baking box through the setting, can improve calcination efficiency effectively.

3. This experimental apparatus has the design of the blast pipe in ball chamber through the top, increases when inside gas, and during the pressure increase, can jack up the spheroid that sets up in the ball chamber, reaches carminative effect, and the outer air of device can't get into in the device simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the efficient roasting equipment for the SCR denitration catalyst provided by the utility model;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: the baking oven comprises a box body 1, a U-shaped heating plate 2, a power-on circuit 3, a U-shaped sliding rail 4, a triangular sliding plate 5, a baking box 6, an iron wire mesh 7, an exhaust pipe 8, a ball 9, a clip-shaped sealing ring 10, a U-shaped magnet handle 11 and a lifting handle 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a high-efficient calcination equipment of SCR denitration catalyst, including box 1, first through-hole has been seted up to box 1 lateral wall, sliding connection has the case of roasting 6 of first through-hole department, the case of roasting 6 divide into multilayer structure, through setting up the case of roasting that has the multilayer, can improve calcination efficiency effectively, and 6 one sides of case of roasting are the closing plate, 6 bottom surfaces of case of roasting and the relative one side fixedly connected with wire netting 7 of closing plate, can effectively guarantee that the heat radiation can not be hindered by the plate in the heating process, calcination efficiency has been improved, and do not establish the board with the adjacent both sides of closing plate and top, be convenient for gaseous emission and the placing of SCR denitration catalyst in the calcination process.

The U-shaped slide rail 4 is fixedly connected with the side wall of the box body 1 with the first through hole, the inner side wall of the U-shaped slide rail 4 is tangent to the roasting box 6, and the U-shaped slide rail 4 can not obstruct the roasting box 6 in the sliding process of the roasting box 6.

The second through hole has been seted up at 1 top of box, and the coaxial fixedly connected with blast pipe 8 in second through hole department, and 8 middle parts of blast pipe are provided with the spheroid chamber, and are provided with spheroid 9 in the spheroid chamber, and spheroid 9 meets with spheroid chamber bottom, has the design of blast pipe 8 in spheroid chamber through the top, increases when inside gas, and when pressure increases, can jack-up spheroid 9 that sets up in the spheroid chamber, reaches carminative effect, and the outer air of device can't get into in the device simultaneously.

The inside U-shaped hot plate 2 that is provided with of box 1, 2 widths of U-shaped hot plate and 6 widths of calcination case equal, and the first through-hole inside wall fixed connection that 2 tops of U-shaped hot plate and box 1 were seted up, the maximize of the heating efficiency of being convenient for is of value to the gaseous emission of calcination in-process simultaneously.

The U-shaped heating plate 2 is provided with a power-on circuit 3, and the U-shaped heating plate 2 can be subjected to power-on heating to achieve the roasting effect.

The triangular sliding plate 5 is arranged at the bottom of the roasting box 6, one surface of the triangular sliding plate 5 is in sliding connection with the bottom of the roasting box 6, and the other surface of the triangular sliding plate 5 is fixedly connected with the inner side wall of the first through hole formed in the box body 1, so that the roasting box 6 can stably slide in the box body 1.

The U-shaped magnet handle 11 is arranged on the side wall of the roasting box 6, the roasting box 6 is made of iron, the roasting box 6 is prevented from being too hot when roasting is completed, the U-shaped magnet handle 11 is adopted for adsorbing the roasting box 6, and the roasting box 6 is pulled out of the box body 1.

The U-shaped sliding rail 4 is provided with the circle sealing ring 10 above, the handle 12 is carried to fixedly connected with above the circle sealing ring 10, and the circle sealing ring 10 is connected on the U-shaped sliding rail 4 in a sliding manner, so that the gap between the roasting box 6 and the box body 1 can be effectively sealed by the circle sealing ring 10, and the roasting effect can be ensured.

The utility model discloses in, at first put into SCR denitration catalyst and bake case 6 in, slide into 1 inside of box through triangle slide 5, then carry and pull back shape sealing ring 10 sliding connection on U-shaped slide rail 4, can guarantee to return shape sealing ring 10 and can seal effectively the gap between calcination case 6 and the box 1, thereby guarantee the effect of calcination, then to 3 circular telegrams of circular telegram circuit, can carry out the ohmic heating to U-shaped hot plate 2, reach the calcination effect, increase when inside gas, when pressure increases, can jack up spheroid 9 that sets up in the spheroid cavity, reach carminative effect, simultaneously, the outer air of device can't get into in the device, when the calcination is accomplished, avoid baking case 6 too scalding one's hand, adopt U-shaped magnet handle 11 to the absorption of calcination case 6, thereby pull out box 1 with calcination case 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The efficient roasting equipment for the SCR denitration catalyst comprises a box body (1) and is characterized in that a first through hole is formed in the side wall of the box body (1), a roasting box (6) is connected to the position, where the first through hole is formed, of the side wall of the box body (1) in a sliding manner, a U-shaped slide rail (4) is fixedly connected to the position, where the first through hole is formed, of the side wall, a second through hole is formed in the top of the box body (1), an exhaust pipe (8) is coaxially and fixedly connected to the position of the second through hole, a ball cavity is formed in the middle of the exhaust pipe (8), a ball (9) is arranged in the ball cavity, a U-shaped heating plate (2) is arranged inside the box body (1), a power-on circuit (3) is arranged on the U-shaped heating plate (2), a triangular slide plate (5) is arranged at the bottom of the roasting box (6), one side of the triangular slide plate (5) is slidably, the baking box is characterized in that a U-shaped magnet handle (11) is arranged on the side wall of the baking box (6), a clip-shaped sealing ring (10) is arranged above the U-shaped sliding rail (4), and a lifting handle (12) is fixedly connected above the clip-shaped sealing ring (10).

2. The SCR denitration catalyst high-efficiency roasting equipment as set forth in claim 1, wherein said sphere (9) is connected with the bottom of the sphere cavity.

3. The efficient roasting equipment for the SCR denitration catalyst according to claim 1, wherein the roasting box (6) is of a multilayer structure, one surface of the roasting box (6) is a closed plate, one surface of the bottom surface of the roasting box (6) opposite to the closed plate is fixedly connected with a wire netting (7), and plates are not arranged on two sides and the top adjacent to the closed plate.

4. The efficient roasting equipment for the SCR denitration catalyst according to claim 1, wherein the width of the U-shaped heating plate (2) is equal to that of the roasting box (6), and the top of the U-shaped heating plate (2) is fixedly connected with the inner side wall of the first through hole formed in the box body (1).

5. The SCR denitration catalyst high-efficiency roasting equipment of claim 1, wherein the clip-shaped sealing ring (10) is connected on the U-shaped sliding rail (4) in a sliding way.

6. The efficient roasting equipment for the SCR denitration catalyst according to claim 1, wherein the roasting box (6) is made of iron.