CN213238487U

CN213238487U - Catalyst soot blower

Info

Publication number: CN213238487U
Application number: CN202021993887.6U
Authority: CN
Inventors: 张伟明; 鸥文方源
Original assignee: Shanghai Shengjian Environmental System Technology Co ltd
Current assignee: Shanghai Shengjian Environmental System Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-18
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a catalyst soot blower, include: a housing having a catalyst module disposed therein; the rotary air outlet pipe can be rotatably arranged on the shell in a penetrating way by a fixed shaft, and a plurality of air nozzles are arranged on the rotary air outlet pipe in the shell; the gas outlet end of the gas pipe extends into the rotary gas outlet pipe along the axial direction of the rotary gas outlet pipe; the driving device is in transmission connection with the rotary air outlet pipe so as to enable the rotary air outlet pipe to rotate in a fixed axis manner; and the air supply device is connected with the air inlet end of the air delivery pipe. The utility model discloses can enlarge the soot blowing scope to catalyst module, improve the deashing efficiency to catalyst module, reduce catalyst module's jam risk, prolong catalyst module's life.

Description

Catalyst soot blower

Technical Field

The utility model relates to a flue gas denitration technical field especially relates to a catalyst soot blower.

Background

With the increasing of environmental awareness of people, the national emission standard of nitrogen oxides in industrial kilns in the industries of power petroleum and petrochemical, nonferrous metals, building materials and the like is continuously improved, and the research and development of denitration equipment are also vigorously developed. At present, the mature flue gas denitration technology with wide application range in the market mainly adopts Selective Catalytic Reduction technology (SCR), Selective Non-Catalytic Reduction technology (SNCR) and SNCR/SCR mixed flue gas denitration technology. Currently, the catalytic reduction flue gas denitration technology is the most applied technology.

The mainstream catalysts comprise honeycomb catalysts (such as triangular honeycomb catalysts) and plate catalysts, the catalysts are used as porous materials, and pores inside the catalysts are easy to deposit dust under the operation of dust-containing smoke in the system operation process. However, no apparatus capable of effectively removing dust inside the catalyst has been available on the market.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the to-be-solved technical problem of the utility model is to provide a catalyst soot blower can enlarge the soot blowing scope to catalyst module, improves the deashing efficiency to catalyst module, reduces catalyst module's jam risk, prolongs catalyst module's life.

In order to solve the technical problem, an embodiment of the utility model provides a catalyst soot blower, include:

a housing having a catalyst module disposed therein;

the rotary air outlet pipe can be rotatably arranged on the shell in a penetrating way by a fixed shaft, and a plurality of air nozzles are arranged on the rotary air outlet pipe in the shell;

the gas outlet end of the gas pipe extends into the rotary gas outlet pipe along the axial direction of the rotary gas outlet pipe;

the driving device is in transmission connection with the rotary air outlet pipe so as to enable the rotary air outlet pipe to rotate in a fixed axis manner;

and the air supply device is connected with the air inlet end of the air delivery pipe.

So set up, gas supply unit passes through the gas-supply pipe with the rotatory outlet duct of gas input, and meanwhile, but rotatory outlet duct dead axle is worn to establish on the casing and drive arrangement is connected with rotatory outlet duct transmission with fixed axis rotation, orders about rotatory outlet duct dead axle and rotates, and the air nozzle moves along with rotatory outlet duct. Thus, the air nozzle can blow air to the catalyst module while rotating or swinging. Therefore, the catalyst soot blower can perform soot cleaning operation on the catalyst module within a certain angle range, the soot blowing range of the catalyst soot blower on the catalyst module is expanded, and the soot cleaning efficiency of the catalyst module is improved.

Preferably, all the air nozzles are divided into at least one row, and each row of the air nozzles are uniformly distributed along the length direction of the rotary air outlet pipe. So set up, can blow to catalyst module more evenly.

Preferably, all the air nozzles are divided into two rows, and the included angle between the two rows of air nozzles is an acute angle. By the arrangement, the soot blowing range of the catalyst soot blower to the catalyst module can be further expanded.

Preferably, the gas supply device comprises a gas storage tank and a gas supply pipe, and the gas storage tank is connected with the gas pipe through the gas supply pipe. So set up, simplified gas supply unit's structure.

Preferably, a supporting pipe is arranged on the shell, and the rotary air outlet pipe penetrates through the supporting pipe and is in running fit with the supporting pipe. So set up, the supporting tube has the supporting role to the rotatory outlet duct, is convenient for rotatory outlet duct dead axle to rotate.

Preferably, the driving device comprises a driving motor and a transmission assembly, and the driving motor is connected with the rotary air outlet pipe through the transmission assembly. So set up, the rotatory outlet duct dead axle of being convenient for rotates, improves the deashing effect to the catalyst module.

Preferably, a flow controller is arranged on the gas conveying pipe. So set up, be convenient for control to the gas blowing volume of catalyst module to can blow the deashing to the catalyst module more effectively.

Preferably, the rotary outlet pipe is horizontally arranged above the catalyst module, and the axis of the rotary outlet pipe is 500 mm-600 mm away from the catalyst module. So set up, can improve the deashing effect to catalyst module.

Preferably, the catalyst soot blower includes two at least rotatory outlet ducts and two at least gas-supply pipes, rotatory outlet duct with the gas-supply pipe one-to-one, every gas-supply pipe stretches into to the rotatory outlet duct that corresponds in, and all gas-supply pipes are connected with same air feeder, and all rotatory outlet ducts are arranged side by side in proper order. According to the arrangement, the catalyst soot blower comprises at least two rotary air outlet pipes, so that the soot blowing range of the catalyst soot blower can be expanded; all gas pipes are connected with the same gas supply device, so that the integration level of the catalyst soot blower can be improved.

Preferably, all the rotary air outlet pipes are in transmission connection with the same driving device. By the arrangement, the integration level of the catalyst soot blower can be further improved.

As above, the utility model adopts the above technical scheme following beneficial effect has: the embodiment of the utility model provides an in, air feeder is connected with the inlet end of gas-supply pipe, and the end of giving vent to anger of gas-supply pipe stretches into to rotatory gas outlet pipe along rotatory gas outlet pipe axial, is located to be equipped with a plurality of air nozzles on the rotatory gas outlet pipe in the casing, and gas in the air feeder can flow through gas-supply pipe, rotatory gas outlet pipe and air nozzle in proper order like this after spout to the catalyst module. Meanwhile, the rotary air outlet pipe can be rotatably arranged on the shell in a penetrating mode through a fixed shaft, the driving device is in transmission connection with the rotary air outlet pipe, the driving device can drive the rotary air outlet pipe to rotate through the fixed shaft, and then all the air nozzles move along with the rotary air outlet pipe. Thus, the air nozzle can blow air to the catalyst module while rotating or swinging. Therefore, the catalyst soot blower can perform soot cleaning operation on the catalyst module within a certain angle range, the soot blowing range of the catalyst soot blower on the catalyst module is expanded, the soot cleaning efficiency of the catalyst module is improved, the blocking risk of the catalyst module is reduced, and the service life of the catalyst module is prolonged.

Drawings

FIG. 1 shows a schematic side view of a first catalyst soot blower provided for an embodiment of the present invention;

FIG. 2 shows a schematic top view of a second catalyst sootblower provided for an embodiment of the present invention;

fig. 3 shows a schematic view of a rotating outlet tube and air nozzle.

Description of the element reference numerals

1 casing

11 support tube

2 rotary air outlet pipe

21 air nozzle

3 gas pipe

31 flow controller

4 driving device

41 drive motor

42 drive assembly

5 gas supply device

51 gas storage tank

52 gas supply pipe

6 catalyst module

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a catalyst soot blower, including:

the device comprises a shell 1, wherein a catalyst module 6 is arranged in the shell 1;

the rotary air outlet pipe 2 is arranged on the shell 1 in a penetrating way in a fixed-axis rotating way, and a plurality of air nozzles 21 are arranged on the rotary air outlet pipe 2 in the shell 1;

the gas pipe 3 is provided with a gas outlet end and a gas inlet end, and the gas outlet end of the gas pipe 3 extends into the rotary gas outlet pipe 2 along the axial direction of the rotary gas outlet pipe 2;

the driving device 4 is in transmission connection with the rotary air outlet pipe 2, so that the rotary air outlet pipe 2 rotates in a fixed axis mode;

and the air supply device 5 is connected with the air inlet end of the air conveying pipe 3.

The embodiment of the utility model provides an in, air feeder 5 is connected with the inlet end of gas-supply pipe 3, and the end of giving vent to anger of gas-supply pipe 3 stretches into to rotatory trachea 2 in along 2 axial of rotatory outlet duct, is located to be equipped with a plurality of air nozzles 21 on the rotatory trachea 2 of casing 1, and gas in air feeder 5 can flow through gas-supply pipe 3, rotatory outlet duct 2 and air nozzle 21 in proper order after spout to catalyst module 6 like this. Meanwhile, the rotary air outlet pipe 2 can be rotatably arranged on the shell 1 in a penetrating mode through a fixed shaft, the driving device 4 is in transmission connection with the rotary air outlet pipe 2, the driving device 4 can drive the rotary air outlet pipe 2 to rotate in the fixed shaft mode, and then all the air nozzles 21 move along with the rotary air outlet pipe 2. For example, when the rotating outlet pipe 2 is rotated in the same rotational direction, all the air nozzles 21 revolve around the central axis of the rotating outlet pipe 2 (when the air nozzles 21 are directed upward, the air cannot be blown into the catalyst modules 6, and when the air nozzles 21 are directed downward, the air can be blown into the catalyst modules 6); for another example, when the rotating outlet pipe 2 is rotated in different rotation directions in a reciprocating manner, all the air nozzles 21 are reciprocally swung with the central axis of the rotating outlet pipe 2 as a swing axis (the swing angle of the air nozzles 21 is adjusted according to the size and number of the catalyst modules 6). Thus, the air nozzle 21 can blow air to the catalyst module 6 while rotating or swinging. Therefore, the catalyst soot blower can perform soot cleaning operation on the catalyst module within a certain angle range (the angle range can be 60 degrees, 90 degrees or 180 degrees), so that the soot cleaning range of the catalyst soot blower on the catalyst module is expanded, the soot cleaning efficiency of the catalyst module is improved, the risk of blockage of the catalyst module 6 is reduced, and the service life of the catalyst module 6 is prolonged.

In order to blow the catalyst modules 6 more uniformly, all the air nozzles 21 are divided into at least one row, and each row of air nozzles 21 is arranged uniformly along the length direction of the rotating gas outlet pipe 2.

As shown in fig. 3, in order to further expand the soot blowing range of the catalyst module 6 by the catalyst soot blower, all the air nozzles 21 are divided into two rows, and the angle between the two rows of air nozzles 21 is an acute angle. For example, the included angle between the two rows of air nozzles 21 is 60 to 70 degrees, and further, the included angle is 64 degrees.

In order to simplify the structure of the air supply device 5, the air supply device 5 includes a gas storage tank 51 (e.g., a compressed air tank, an inert gas tank) and a gas supply pipe 52, and the gas storage tank 51 is connected to the gas pipe 3 through the gas supply pipe 52. When blowing and cleaning ash, the gas in the gas storage tank 51 flows into the rotary air outlet pipe 2 through the gas supply pipe 52 and the gas pipe 3 in sequence.

In order to facilitate the fixed axis rotation of the rotary air outlet pipe 2, a supporting pipe 11 is arranged on the shell 1, and the rotary air outlet pipe 2 penetrates through the supporting pipe 11 and is in running fit with the supporting pipe 11. The supporting tube 11 has a supporting function for the rotary outlet pipe 2. As an example of the support pipe 11: the support tube 11 is a linear bearing.

In order to facilitate the control of the fixed axis rotation of the rotating exhaust pipe 2 and improve the ash removal effect, the driving device 4 includes a driving motor 41 and a transmission assembly 42, and the driving motor 41 is connected with the rotating exhaust pipe 2 through the transmission assembly 42. In order to control the rotation angle of the rotary air outlet pipe 2 and further control the air injection angle range of the air nozzle 21, the driving motor 41 is a stepping motor.

In order to control the flow rate of the gas in the gas pipe 3, a flow controller 31 is provided on the gas pipe 3. Further, in order to control the opening or closing of the flow controller 31, the flow controller 31 is an electromagnetic gas valve.

In order to further improve the ash removal effect on the catalyst module 6, the rotary outlet pipe 2 is horizontally arranged above the catalyst module 6, and the height of the axis of the rotary outlet pipe 2 from the catalyst module 6 is 500 mm-600 mm.

As shown in fig. 2, if more catalyst modules 6 need to be blown to remove ash, the catalyst soot blower includes at least two rotary air outlet pipes 2 and at least two air delivery pipes 3, the rotary air outlet pipes 2 correspond to the air delivery pipes 3 one by one, each air delivery pipe 3 extends into the corresponding rotary air outlet pipe 2, all the air delivery pipes 3 are connected with the same air supply device 5, and all the rotary air outlet pipes 2 are sequentially arranged side by side. The catalyst soot blower comprises at least two rotary gas outlet pipes 2, and the soot blowing range of the catalyst soot blower can be expanded; all gas transmission pipes 3 are connected with the same gas supply device 5, so that the integration level of the catalyst soot blower can be improved.

In order to further increase the integration of the above-mentioned catalyst soot blower, all the rotary outlet pipes 2 are in driving connection with the same drive 4.

To sum up, the utility model discloses a catalyst soot blower can enlarge the soot blowing scope to catalyst module, improves the deashing efficiency to catalyst module, reduces catalyst module's jam risk, prolongs catalyst module's life. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A catalyst sootblower, comprising:

the device comprises a shell (1), wherein a catalyst module (6) is arranged in the shell (1);

the rotary air outlet pipe (2), the rotary air outlet pipe (2) can be arranged on the shell (1) in a penetrating way in a fixed-axis rotating way, and a plurality of air nozzles (21) are arranged on the rotary air outlet pipe (2) positioned in the shell (1);

the air delivery pipe (3) is provided with an air outlet end and an air inlet end, and the air outlet end of the air delivery pipe (3) axially extends into the rotary air outlet pipe (2) along the rotary air outlet pipe (2);

the driving device (4) is in transmission connection with the rotary air outlet pipe (2) so as to enable the rotary air outlet pipe (2) to rotate in a fixed axis mode;

the air supply device (5), the air supply device (5) is connected with the air inlet end of the air pipe (3).

2. The catalyst sootblower of claim 1, wherein: all the air nozzles (21) are divided into at least one row, and each row of air nozzles (21) are uniformly distributed along the length direction of the rotary air outlet pipe (2).

3. The catalyst sootblower of claim 2, wherein: all the air nozzles (21) are divided into two rows, and the included angle between the two rows of air nozzles (21) is an acute angle.

4. The catalyst sootblower of claim 1, wherein: the gas supply device (5) comprises a gas storage tank (51) and a gas supply pipe (52), and the gas storage tank (51) is connected with the gas pipe (3) through the gas supply pipe (52).

5. The catalyst sootblower of claim 1, wherein: the shell (1) is provided with a supporting pipe (11), and the rotary air outlet pipe (2) penetrates through the supporting pipe (11) and is in running fit with the supporting pipe (11).

6. The catalyst sootblower of claim 1, wherein: the driving device (4) comprises a driving motor (41) and a transmission assembly (42), and the driving motor (41) is connected with the rotary air outlet pipe (2) through the transmission assembly (42).

7. The catalyst sootblower of claim 1, wherein: and a flow controller (31) is arranged on the gas conveying pipe (3).

8. The catalyst sootblower of claim 1, wherein: the rotary air outlet pipe (2) is horizontally arranged above the catalyst module (6), and the distance between the axis of the rotary air outlet pipe (2) and the catalyst module (6) is 500-600 mm.

9. The catalyst sootblower of claim 1, wherein: catalyst soot blower includes two at least rotatory outlet duct (2) and two at least gas-supply pipes (3), rotatory outlet duct (2) with gas-supply pipe (3) one-to-one, every gas-supply pipe (3) stretch into to the rotatory outlet duct (2) that corresponds in, all gas-supply pipes (3) are connected with same air feeder (5), and all rotatory outlet duct (2) are arranged side by side in proper order.

10. The catalyst sootblower of claim 9, wherein: all the rotating air outlet pipes (2) are in transmission connection with the same driving device (4).