Efficient desulfurization powder discharging and conveying equipment

Abstract

The invention provides efficient desulfurization powder discharging and conveying equipment which comprises a frame body, an electric hoist is installed on the bottom face of an extension arm of the frame body, and a stock bin is installed at the position, close to the frame body, of the lower portion of the extension arm of the frame body; a stock bin feeding opening is formed in the top end of the stock bin, the bottom end of the stock bin is fixedly communicated with a stock bin cone, the bottom end of the stock bin cone is communicated with an air exhaust chamber, the bottom end of the air exhaust chamber is communicated with a rotary feeder, the bottom end of the rotary feeder is further communicated with an accelerating chamber, and the other side of the accelerating chamber is communicated with a Roots blower. And the discharge hole of the accelerating chamber is communicated with an outlet pipeline. When the device is used, the Roots blower is started firstly, then the rotary feeder is started after the Roots blower is normally started, after equipment normally operates, increase and decrease adjustment is carried out according to the concentration value of discharged SO2, finally, efficient desulfurization powder is conveyed to an outlet pipeline for flue gas desulfurization, and the device is convenient and practical.

Description

Technical Field

[0001] The invention belongs to the technical field of desulfurization powder conveying equipment, and in particular relates to a high-efficiency desulfurization powder feeding and conveying equipment. Background Art

[0002] Changes in raw materials and quality of materials will lead to SO in the kiln tail gas 2 The content often exceeds the standard, and in order to meet the SO 2 To meet the ultra-low emission requirements, high-efficiency desulfurization powder is needed for flue gas purification. After being activated by high-temperature flue gas thermal catalysis, the high-efficiency desulfurization powder expands rapidly in volume and quickly contacts with the acidic high-temperature flue gas, causing physical and chemical reactions to reduce SO in the flue gas. 2 Acidic gases such as sulfuric acid are purified and absorbed, reducing emission values ​​to meet standards.

[0003] The existing high-efficiency desulfurization powder equipment has the following shortcomings during the feeding process: since the reaction time between the desulfurization powder and the flue gas is 3-8 minutes, it is impossible to determine whether the powder is fed normally during this period; and when the desulfurization powder packaged in ton bags is manually broken and fed, debris falls into the bin and easily blocks the rotary feeder. When the rotary feeder is handled, there is no spare equipment to add desulfurizer, resulting in flue gas SO 2 The emissions exceeded the standard. At the same time, due to the fineness of the desulfurization powder of 400 mesh, its fluidity in the silo was reduced after absorbing moisture. The effect of the originally designed vibration device on the powder material was irrational. The more it was vibrated, the more solid it became, resulting in serious material bulging. In addition, the silo volume was small, the desulfurization powder was frequently added, and the frequent addition of materials by the staff posed a safety hazard.

[0004] Based on this, a high-efficiency desulfurization powder feeding and conveying equipment is proposed. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-efficiency desulfurization powder feeding and conveying equipment in view of the deficiencies of the above-mentioned prior art, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a high-efficiency desulfurization powder feeding and conveying equipment, comprising a frame, an electric hoist is installed on the bottom surface of the extension arm of the frame, and a silo is installed below the extension arm of the frame near the frame;

[0007] A silo loading port is installed at the top of the silo, and the bottom end of the silo is fixedly connected to a silo cone, the bottom end of the silo cone is connected to an exhaust chamber, the bottom end of the exhaust chamber is connected to a rotary feeder, the bottom end of the rotary feeder is also connected to an acceleration chamber, the other side of the acceleration chamber is connected to a Roots blower, and the discharge port of the acceleration chamber is connected to an outlet pipe.

[0008] As a further illustration of the present invention, a ladder is also provided in the frame.

[0009] As a further illustration of the present invention, a rapper is also installed on the outside of the silo cone.

[0010] As a further illustration of the present invention, a gate valve is further installed on the pipeline between the silo cone and the pumping chamber, and a pipeline sight glass is further installed on the pipeline between the silo cone and the pumping chamber.

[0011] As a further illustration of the present invention, a star-shaped impeller is arranged inside the rotary feeder, and the rotary feeder is driven by a reduction motor.

[0012] As a further illustration of the present invention, the silo volume is 3m 3 The silo is made of 1Cr18Ni9Ti material.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] 1. The present invention provides a ladder in the frame to facilitate workers to go up and down, thereby improving the convenience and safety of the equipment. A silo cone is fixedly connected to the bottom of the silo, and a vibrator is installed on the outside of the silo cone. The vibrator is turned on intermittently to ensure smooth discharge of the high-efficiency desulfurization powder.

[0015] 2. The present invention further installs a gate valve on the pipeline between the silo cone and the vacuum chamber. The gate valve is a manual knife-type gate valve, which is in a fully open state when in use. If the rotary feeder fails and needs to be disassembled and processed, the gate valve can be closed.

[0016] 3. When the present invention is used, first turn on the Roots blower, and then turn on the rotary feeder after the Roots blower is turned on normally. After the equipment is operating normally, the SO2 2 The concentration value is adjusted up or down, and finally the high-efficiency desulfurization powder is transported to the outlet pipeline for flue gas desulfurization, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the overall structure of the present invention;

[0018] Figure 2 It is a top view of the overall structure of the present invention.

[0019] Description of reference numerals:

[0020] 1-frame; 11-ladder; 12-extension arm; 2-electric hoist; 3-silo; 31-silo loading port; 4-silo cone; 41-vibrator; 5-gate valve; 6-exhaust chamber; 7-rotary feeder; 71-reduction motor; 8-Roots blower; 9-acceleration chamber; 10-export pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1 and Figure 2 As shown, the present invention provides a technical solution: a high-efficiency desulfurization powder feeding and conveying equipment, comprising a frame 1, wherein a ladder 11 is also arranged inside the frame 1, so as to facilitate workers to go up and down and improve the convenience and safety of the equipment.

[0023] An electric hoist 2 is installed on the bottom surface of the extension arm 12 of the frame 1, and the high-efficiency desulfurization powder packaged in ton bags is added into the silo 3 through the electric hoist 2.

[0024] A silo 3 is installed below the extension arm 12 of the frame 1 near the frame 1, and a silo loading port 31 is installed at the top of the silo 3. The volume of the silo 3 is 3m 3 The silo is made of 1Cr18Ni9Ti material.

[0025] The bottom end of the silo 3 is fixedly connected to a silo cone 4, and a rapper 41 is installed outside the silo cone 4. The rapper is turned on intermittently, usually at intervals of 3-5 seconds, to ensure smooth discharge of the high-efficiency desulfurization powder.

[0026] Two pneumatic hammers are also provided outside the silo cone 4, which work simultaneously with the vibrator 41 to prevent the vibrator 41 from vibrating the high-efficiency desulfurization powder. A fluidizing pipeline is installed at the silo cone 4. When the vibrator 41 and the pneumatic hammer are working, compressed air is used to fluidize the inside to ensure the normal discharge of the high-efficiency desulfurization powder.

[0027] The bottom end of the silo cone 4 is connected to an exhaust chamber 6, and a gate valve 5 is installed on the pipeline between the silo cone 4 and the exhaust chamber 6. The gate valve 5 is a manual knife-type gate valve, which is in a fully open state when in use. If the rotary feeder 7 fails and needs to be disassembled and processed, the gate valve 5 can be closed.

[0028] A pipeline sight glass is also installed on the pipeline between the silo cone 4 and the exhaust chamber 6, and a camera is used to transmit the image inside the pipeline to the TV in the central control room, which is beneficial for the staff to observe whether the addition of high-efficiency desulfurization powder is normal.

[0029] The bottom end of the vacuum chamber 6 is connected to a rotary feeder 7 , a star-shaped impeller is arranged inside the rotary feeder 7 , and the rotary feeder 7 is driven by a reduction motor 71 .

[0030] The bottom end of the rotary feeder 7 is also connected to an acceleration chamber 9 , the other side of the acceleration chamber 9 is connected to a Roots blower 8 , and the discharge port of the acceleration chamber 9 is connected to an outlet pipe 10 .

[0031] When in use, first turn on the Roots blower 8, and then turn on the rotary feeder 7 after the Roots blower 8 is turned on normally. After the rotary feeder 7 is turned on, the frequency can be set to 15-20Hz first, and then the frequency can be set to 15-20Hz according to the emission of SO 2 The concentration value is adjusted up and down, and finally the high-efficiency desulfurization powder is transported to the outlet pipe 10 for use in flue gas desulfurization, which is convenient and practical.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] 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 high-efficiency desulfurization powder feeding and conveying equipment, characterized by: It comprises a frame (1), an electric hoist (2) is installed on the bottom surface of an extension arm (12) of the frame (1), and a silo (3) is installed below the extension arm (12) of the frame (1) and close to the frame (1); The top of the silo (3) is provided with a silo loading port (31), the bottom of the silo (3) is fixedly connected to a silo cone (4), the bottom of the silo cone (4) is connected to an exhaust chamber (6), the bottom of the exhaust chamber (6) is connected to a rotary feeder (7), the bottom of the rotary feeder (7) is also connected to an acceleration chamber (9), the other side of the acceleration chamber (9) is connected to a Roots blower (8), and the discharge port of the acceleration chamber (9) is connected to an outlet pipe (10).

2. The high-efficiency desulfurization powder feeding and conveying equipment according to claim 1 is characterized in that: A ladder (11) is also provided in the frame (1).

3. The high-efficiency desulfurization powder feeding and conveying equipment according to claim 1 is characterized in that: A rapper (41) is also installed on the outside of the silo cone (4).

4. The high-efficiency desulfurization powder feeding and conveying equipment according to claim 1 is characterized in that: A gate valve (5) is also installed on the pipeline between the silo cone (4) and the air extraction chamber (6), and a pipeline sight glass is also installed on the pipeline between the silo cone (4) and the air extraction chamber (6).

5. The high-efficiency desulfurization powder feeding and conveying equipment according to claim 1 is characterized in that: The rotary feeder (7) is provided with a star-shaped impeller, and the rotary feeder (7) is driven by a reduction motor (71).

6. The high-efficiency desulfurization powder feeding and conveying equipment according to claim 1 is characterized in that: The volume of the silo (3) is 3m 3 The silo is made of 1Cr18Ni9Ti material.

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