Dry slaked lime conveying system

Abstract

The utility model provides a dry-method slaked lime conveying system, which relates to the technical field of environment-friendly flue gas treatment and comprises a slaked lime bin, a blanking rotator and a feeding disc which are sequentially connected from top to bottom, and the lower end of the slaked lime bin is connected with a pipeline through a blanking valve and is connected with the blanking rotator through a pipeline; one or more feeding discs are horizontally arranged on the edge of the lower side of the discharging rotator, the upper side of one end of each feeding disc is connected with the discharging rotator, the upper side of the other end of each feeding disc is connected with a conveying fan, and the lower side of the other end of each feeding disc is connected with a second conveying pipeline to the site. According to the device, smooth conveying of slaked lime is guaranteed, meanwhile, pipeline blockage caused by slaked lime hardening is prevented, unstable flue gas parameters are avoided, and the stability of flue gas purification environment-friendly parameters is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of environmentally friendly smoke treatment, in particular to a dry slaked lime conveying system. Background Art

[0002] At present, slaked lime is mostly added to waste-to-energy plants by Venturi injection, which can easily cause the Venturi outlet to become compacted, leading to blockage in the transmission pipeline, requiring frequent cleaning, and adversely affecting flue gas parameters, affecting environmental protection data.

[0003] Therefore, adopting a slaked lime delivery method that can prevent the Venturi pipe from being clogged and blocked, avoid affecting environmental protection data, and avoid inconvenient cleaning, is of great significance and role in improving the stability of waste incineration flue gas treatment. Utility Model Content

[0004] In view of the technical problems existing in the background technology, this utility model patent provides a dry slaked lime conveying system, which can ensure the smooth transportation of slaked lime while preventing the pipeline from being blocked due to the compaction of slaked lime, thereby avoiding the instability of flue gas parameters.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is: a dry slaked lime conveying system, comprising a slaked lime silo, a discharge rotor and a feeding disc connected in sequence from top to bottom, wherein the lower end of the slaked lime silo is connected to a pipeline via a discharge valve, and is connected to the discharge rotor via a pipeline; one or more feeding discs are provided at the lower edge of the discharge rotor, each feeding disc is arranged horizontally, and the upper side of one end is connected to the discharge rotor, the upper side of the other end is connected to a conveying fan, and the lower side of the other end is connected to a second conveying pipeline to the site.

[0006] As a further improvement of the utility model, the centers of the slaked lime bin, the pipeline and the material discharge rotary are aligned, and a first motor is connected to the center position of the lower end of the material discharge rotary.

[0007] As a further improvement of the utility model, the discharge valve adopts a manual plug valve.

[0008] As a further improvement of the utility model, a variable frequency motor is connected to the center of the lower end of each feeding disc.

[0009] As a further improvement of the present invention, the conveying fan is connected to the feeding disc through a first conveying pipeline.

[0010] As a further improvement of the present invention, the two ends of the first delivery pipeline are metal pipelines and the middle is a hose.

[0011] As a further improvement of the present invention, the two ends of the second delivery pipeline are metal pipelines and the middle is a hose.

[0012] As a further improvement of the present invention, a connection with a second conveying pipeline is arranged just below the connection position between the upper side of the feeding disc and the conveying fan.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model adopts a pneumatic conveying device, that is, a pneumatic direct-through feeding disc, thereby avoiding the problem of frequent blockage of the slaked lime conveying pipeline, saving manpower and time for manual cleaning, improving the stability of the slaked lime feeding system, and effectively ensuring the stability of the environmental protection parameters of the flue gas purification.

[0015] The utility model adopts a variable frequency motor and controls the rotation speed, thereby realizing the feeding amount of the feeding disc and further realizing the control of the slaked lime conveying amount.

[0016] The utility model realizes uniform distribution of slaked lime to a plurality of feeding discs through the rotation of the feeding rotator, thereby realizing uniform transportation of the slaked lime by each feeding disc.

[0017] The utility model realizes efficient transportation of slaked lime to the site by vertically arranging a conveying fan and a second conveying pipeline at upper and lower positions of one end of a feeding disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model discloses a dry slaked lime conveying system according to an embodiment of the present invention.

[0019] Description of reference numerals:

[0020] 1. Hydrated lime silo; 2. Discharge valve; 3. Pipeline; 4. Discharge rotator; 5. Feed disc; 6. Conveying fan; 7. First conveying pipeline; 8. Variable frequency motor; 9. Second conveying pipeline; 10. First motor. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0022] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings:

[0025] like Figure 1 As shown, the utility model provides a dry slaked lime conveying system, comprising: a slaked lime bin 1, a discharge rotary device 4 and a feeding disc 5 connected in sequence from top to bottom, the lower end of the slaked lime bin 1 is connected to a pipeline 3 through a discharge valve 2, and is connected to the discharge rotary device 4 through the pipeline 3; one or more feeding discs 5 are provided on the lower edge of the discharge rotary device 4, each feeding disc 5 is horizontally arranged, and the upper side of one end is connected to the discharge rotary device 4, the upper side of the other end is connected to a conveying fan 6, and the lower side of the other end is connected to a second conveying pipeline 9 to the site.

[0026] in,

[0027] The centers of the slaked lime bin 1, the pipeline 3 and the discharge rotor 4 are aligned, and a first motor 10 is connected to the center position of the lower end of the discharge rotor 4. When the first motor 10 is started, the discharge rotor 4 is controlled to rotate to evenly distribute the slaked lime to each feeding disc 5 at the lower edge of the discharge rotor 4.

[0028] The upper part of the slaked lime silo 1 is cylindrical, the lower part is conical, and a discharge valve 2 is arranged at the lower end. The discharge valve 2 adopts a manual plug valve, which is convenient for controlling the discharge amount of the slaked lime silo 1.

[0029] A variable frequency motor 8 is connected to the center of the lower end of each feeding disc 5. By setting the frequency of the variable frequency motor 8, the feeding amount of each feeding disc 5 can be controlled, thereby controlling the amount of slaked lime transported to the site.

[0030] The conveying fan 6 is connected to the feeding disc 5 through the first conveying pipe 7. The two ends of the first conveying pipe 7 are metal pipes 3 and the middle is a hose. The metal pipes 3 at both ends can make the connection between the conveying fan 6 and the feeding disc 5 more secure, and the middle hose is easy to disassemble, which is convenient for the later inspection of the pipeline 3.

[0031] The second conveying pipeline 9 has metal pipes 3 at both ends and a hose in the middle. Similarly, the metal pipes 3 at both ends can make the connection between the feeding disc 5 and the second conveying pipeline 9 more secure, and facilitate the fixation of the end of the second conveying pipeline 9 on site. The hose in the middle is easy to disassemble, which is convenient for the later inspection of the pipeline 3.

[0032] In the present invention, the upper side of the feeding disc 5 is connected to the second conveying pipe 9 just below the connection position of the conveying fan 6, that is, the conveying fan 6 conveys the slaked lime to the site through the vertical conveying pipe 3, and the conveying efficiency is higher.

[0033] Example:

[0034] like Figure 1 As shown in the figure, the application process of the dry slaked lime conveying system specifically includes:

[0035] Step 1, set the frequency of the variable frequency motor 8 of the feeding disc 5, start the first motor 10 and each variable frequency motor 8; start each conveying fan 6;

[0036] Step 2: The staff opens the manual gate valve to allow slaked lime to enter the pipeline 3 from the slaked lime bin 1 through the manual gate valve;

[0037] Step 3: The slaked lime reaches the feed rotary 4 through the pipeline 3, and the feed rotary 4 rotates to rotate the slaked lime to the edge of the feed rotary 4, and enters each feeding disc 5 from the edge;

[0038] Step 4: the feeding disc 5 rotates according to a preset frequency, and the slaked lime is rotated from the end of the feeding disc 5 close to the unloading rotor 4 to the end away from the small material rotor, and enters the second conveying pipe 9;

[0039] Step 5: The conveying fan 6 conveys wind to the end of the feeding disc 5 away from the small material rotator, and conveys the wind vertically downward to the second conveying pipeline 9, so that the slaked lime in the second conveying pipeline 9 is transported to the site.

[0040] Advantages of the utility model:

[0041] The utility model adopts a pneumatic conveying device, that is, a pneumatic direct-through feeding disc, thereby avoiding the problem of frequent blockage of the slaked lime conveying pipeline, saving manpower and time for manual cleaning, improving the stability of the slaked lime feeding system, and effectively ensuring the stability of the environmental protection parameters of the flue gas purification.

[0042] The utility model adopts a variable frequency motor and controls the rotation speed, thereby realizing the feeding amount of the feeding disc and further realizing the control of the slaked lime conveying amount.

[0043] The utility model realizes uniform distribution of slaked lime to a plurality of feeding discs through the rotation of the feeding rotator, thereby realizing uniform transportation of the slaked lime by each feeding disc.

[0044] The utility model realizes efficient transportation of slaked lime to the site by vertically arranging a conveying fan and a second conveying pipeline at upper and lower positions of one end of a feeding disc.

[0045] The above are only preferred embodiments of the present invention and do not limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dry slaked lime conveying system, characterized in that: include: The slaked lime bin, discharge rotor and feeding disc are connected in sequence from top to bottom. The lower end of the slaked lime bin is connected to a pipeline via a discharge valve, and is connected to the discharge rotor via a pipeline; one or more feeding discs are provided at the lower edge of the discharge rotor, each feeding disc is arranged horizontally, and the upper side of one end is connected to the discharge rotor, the upper side of the other end is connected to a conveying fan, and the lower side of the other end is connected to a second conveying pipeline to the site.

2. The dry slaked lime conveying system according to claim 1, characterized in that: The centers of the slaked lime bin, the pipeline and the material discharging rotary are aligned, and the center position of the lower end of the material discharging rotary is connected to a first motor.

3. The dry slaked lime conveying system according to claim 1, characterized in that: The unloading valve adopts a manual plug valve.

4. The dry slaked lime conveying system according to claim 1, characterized in that: The center of the lower end of each feeding disc is connected with a frequency conversion motor.

5. The dry slaked lime conveying system according to claim 1, characterized in that: The conveying fan is connected to the feeding disc through a first conveying pipeline.

6. The dry slaked lime conveying system according to claim 5, characterized in that: The two ends of the first delivery pipeline are metal pipelines, and the middle is a hose.

7. The dry slaked lime conveying system according to claim 1, characterized in that: The two ends of the second delivery pipeline are metal pipelines, and the middle is a hose.

8. The dry slaked lime conveying system according to claim 1, characterized in that: A connection with a second conveying pipeline is arranged just below the connection position between the upper side of the feeding disc and the conveying fan.

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