Machine-made sand winnowing dust removal equipment

Abstract

The utility model relates to the technical field of dust removal, in particular to machine-made sand winnowing dust removal equipment which comprises a winnowing machine, a dust removal machine, a supporting plate, powder discharging pipes and an exhaust pipe, the outer portion of the upper portion of the winnowing machine is connected with a plurality of sets of powder discharging pipes, the lower ends of the powder discharging pipes are connected with the dust removal machine, and the upper end of the dust removal machine is connected with the exhaust pipe. The winnowing machine comprises a first upper cover, a winnowing tank, a circulating air tank and a sand discharging tank which are arranged from top to bottom, a feeding pipe and a rotating motor are arranged at the upper end of the first upper cover, a rotating shaft is connected to the lower end of the rotating motor, a guide barrel is arranged at the lower end of the rotating shaft, and a cage type rotor is connected to the outer portion of the guide barrel. The dust remover comprises a second upper cover and a dust removal tank which are arranged from top to bottom, the lower portion of the second upper cover is connected with a backwashing pipe, one end of the backwashing pipe is connected with a backwashing control valve, and the upper end of the interior of the dust removal tank is connected with a dust removal cloth bag.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal, in particular to machine-made sand air separation and dust removal equipment. Background Art

[0002] Artificial sand refers to sand processed by sand making machines and other ancillary equipment. The finished product is more regular and can be processed into sand of different rules and sizes according to different process requirements, which can better meet daily needs. The dust-containing airflow discharged after air separation of artificial sand can easily cause dust and air pollution.

[0003] Therefore, it is necessary to design a machine-made sand air separation and dust removal equipment to solve the problems in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and proposes a machine-made sand air selection and dust removal device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A machine-made sand air separation and dust removal device, comprising an air separator, a dust collector, a support plate, a powder discharge pipe and an exhaust pipe, wherein the upper part of the air separator is externally connected to a plurality of groups of powder discharge pipes, the lower end of the powder discharge pipe is connected to a dust collector, the upper end of the dust collector is connected to an exhaust pipe, and the air separator, the dust collector and the powder discharge pipe are all connected to a support plate;

[0007] The air separator comprises a first upper cover, an air separation tank, a circulating air tank and a sand discharge tank arranged from top to bottom, and a feed pipe and a rotating motor are arranged at the upper end of the first upper cover, a rotating shaft is connected to the lower end of the rotating motor, a guide barrel is arranged at the lower end of the rotating shaft, a cage rotor is connected to the outside of the guide barrel, a material spreading disc is arranged at the lower part of the guide barrel, a plurality of powder discharge ports are arranged at the upper part of the outside of the air separation tank, an air inlet is arranged on the circulating air tank, and a coarse sand discharge port is arranged at the lower end of the sand discharge tank;

[0008] The dust collector comprises a second upper cover and a dust removal tank arranged from top to bottom, and the lower part of the second upper cover is connected to a backwash pipe, one end of the backwash pipe is connected to a backwash control valve, the upper end of the dust removal tank is connected to a dust removal bag, the lower part of the dust removal bag is connected to a limiting frame, a dust inlet is provided at one side of the dust removal tank near the upper end of the limiting frame, and a fine sand discharge port is provided at the lower end of the dust removal tank;

[0009] The lower end of the support plate is connected to a support rod, and the lower end of the support rod is connected to a bottom plate;

[0010] The air separator, dust collector and powder discharge pipe are all provided with baffles in the middle of their exteriors.

[0011] As a preferred solution of the utility model, the air separation tank and the first upper cover and the circulating air tank are connected by bolts, and the circulating air tank and the sand discharge tank are connected by bolts.

[0012] As a preferred solution of the utility model, the first upper cover and the rotating motor are connected by bolts, the rotating motor and the rotating shaft are connected by a coupling, the rotating shaft and the guide barrel and the cage rotor are connected by bolts, and the guide barrel and the cage rotor and the spreading plate are connected by bolts.

[0013] As a preferred solution of the utility model, the powder discharge pipe and the powder discharge port and the dust inlet are connected by bolts.

[0014] As a preferred solution of the utility model, the support plate and the baffle are connected by bolts, and the support rod and the support plate and the bottom plate are connected by bolts.

[0015] As a preferred solution of the utility model, the second upper cover and the dust removal tank are connected by bolts, the upper part of the dust removal bag is clamped between the second upper cover and the dust removal tank, the lower part of the dust removal bag and the limit frame are connected by bolts, and the limit frame and the dust removal tank are connected by bolts.

[0016] As a preferred solution of the utility model, the nozzle and the dust removal bag arranged at the lower end of the backwash pipe are distributed correspondingly and inserted into the opening at the upper end of the dust removal bag.

[0017] To sum up, the technical effects and advantages of the utility model are as follows: in the machine-made sand air separation and dust removal equipment, the machine-made sand enters the cage rotor through the feed pipe and falls on the guide barrel and the spreading plate. The machine-made sand is evenly spread around under the action of the inertial centrifugal force generated by the rotation of the spreading plate. The dispersed machine-made sand is thrown to the inner wall of the air separation tank through the high-speed airflow under the action of the wind force of the fan externally connected to the air inlet. After the collision, it loses kinetic energy and slides down along the wall and is discharged from the coarse sand discharge port. The remaining particles are rolled up by the rotating rising airflow. When passing through the cage rotor, a part of the coarse powder particles are thrown to the inner wall of the air separation tank under the impact of the cage rotor. After the collision, they lose kinetic energy and slide down along the wall. , and discharged from the coarse sand discharge port, thus completing the preliminary air selection of the machine-made sand. After the preliminary air selection is completed, the fine powder passes through the impact of the cage rotor. Under the action of the rising airflow, the dust-laden airflow is affected by the strong and stable plane vortex formed by the rotating cage rotor. The fine powder that meets the requirements passes through the cage rotor through the powder discharge port and the powder discharge pipe into the dust collector, and is dusted by the dust bag. Then the fine sand is discharged along the fine sand discharge port, and the airflow after dust removal by the dust bag is discharged through the exhaust pipe. The dust bag can regularly control the backwashing pipe through the backwashing control valve to blow dust to improve the dust removal efficiency, so that the airflow discharged after the machine-made sand air selection is cleaner and dust is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the overall structure diagram of the utility model;

[0019] Figure 2 This is a structural diagram of the exhaust pipe of the utility model;

[0020] Figure 3 This is a structural diagram of the air separator of the utility model;

[0021] Figure 4 This is a structural diagram of the dust collector of the utility model;

[0022] Figure 5 This is the internal structure diagram of the air separator of the utility model;

[0023] Figure 6 This is the internal structure diagram of the dust collector of the utility model;

[0024] Figure 7 This is a top view of the structure of the limiting frame of the utility model.

[0025] In the figure: 1. air separator; 101. air separator tank; 102. baffle; 103. powder discharge port; 104. first upper cover; 105. feed pipe; 106. rotating motor; 107. circulating air tank; 108. sand discharge tank; 109. coarse sand discharge port; 110. air inlet; 111. cage rotor; 112. rotating shaft; 113. guide barrel; 114. spreading plate; 2. dust collector; 201. dust removal tank; 202. fine sand discharge port; 203. backwash control valve; 204. backwash pipe; 205. second upper cover; 206. dust inlet; 207. limit frame; 208. dust bag; 3. support plate; 301. support rod; 302. bottom plate; 4. powder discharge pipe; 5. exhaust pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-Figure 7, a machine-made sand air separation and dust removal equipment, comprising an air separator 1, a dust collector 2, a support plate 3, a powder discharge pipe 4 and an exhaust pipe 5, the upper part of the air separator 1 is externally connected to multiple groups of powder discharge pipes 4, the lower end of the powder discharge pipe 4 is connected to the dust collector 2, the upper end of the dust collector 2 is connected to the exhaust pipe 5, the air separator 1, the dust collector 2 and the powder discharge pipe 4 are all connected to the support plate 3; the air separator 1 comprises a first upper cover 104, an air separation tank 101, a circulating air tank 107 and a sand discharge tank 108 arranged from top to bottom, and a feed pipe 105 and a rotating motor 106 are provided at the upper end of the first upper cover 104, a rotating shaft 112 is connected to the lower end of the rotating motor 106, a guide barrel 113 is provided at the lower end of the rotating shaft 112, a cage rotor 111 is connected to the outside of the guide barrel 113, a spreading disc 114 is provided at the lower part of the guide barrel 113, and multiple The powder discharge port 103 is formed, an air inlet 110 is provided on the circulating air tank 107, and a coarse sand discharge port 109 is provided at the lower end of the sand discharge tank 108; the dust collector 2 includes a second upper cover 205 and a dust removal tank 201 arranged from top to bottom, and the lower part of the second upper cover 205 is connected to a backwash pipe 204, one end of the backwash pipe 204 is connected to a backwash control valve 203, a dust bag 208 is connected to the upper end of the dust removal tank 201, and the lower part of the dust bag 208 is connected to a limiting frame 207, a dust inlet 206 is provided on one side of the dust removal tank 201 near the upper end of the limiting frame 207, and a fine sand discharge port 202 is provided at the lower end of the dust removal tank 201; a support rod 301 is connected to the lower end of the support plate 3, and a bottom plate 302 is connected to the lower end of the support rod 301; a baffle 102 is provided in the middle of the outside of the air separator 1, the dust collector 2 and the powder discharge pipe 4.

[0028] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6, the dust-containing airflow discharged after the machine-made sand is selected by wind is easy to cause dust and air pollution. The wind selection tank 101 is connected to the first upper cover 104 and the circulating air tank 107 by bolts, the circulating air tank 107 and the sand discharge tank 108 are connected by bolts, the first upper cover 104 and the rotating motor 106 are connected by bolts, the rotating motor 106 and the rotating shaft 112 are connected by a coupling, the rotating shaft 112 and the guide barrel 113 and the cage rotor 111 are all connected by bolts, the guide barrel 113 and the cage rotor 111 and the spreading plate 114 are all connected by bolts, the powder discharge pipe 4 and the powder discharge port 103 and the dust inlet 206 are connected by bolts, and when in use, the rotating motor 106 drives the cage rotor 111, the rotating shaft 112, the guide barrel 113 and the spreading plate The material tray 114 rotates, and the machine-made sand enters the cage rotor 111 through the feed pipe 105 and falls on the guide barrel 113 and the spreading tray 114. The machine-made sand is evenly spread around under the action of the inertial centrifugal force generated by the rotation of the spreading tray 114. The dispersed machine-made sand is thrown to the inner wall of the air separation tank 101 through the high-speed airflow under the action of the wind force of the fan externally connected to the air inlet 110. After the collision, it loses kinetic energy and slides down along the wall and is discharged from the coarse sand discharge port 109. The remaining particles are rolled up by the rotating rising airflow. When passing through the cage rotor 111, under the impact of the cage rotor 111, another part of the coarse powder particles are thrown to the inner wall of the air separation tank 101. After the collision, they lose kinetic energy and slide down along the wall and are discharged from the coarse sand discharge port 109, thereby completing the preliminary air separation of the machine-made sand.

[0029] Reference Figure 1 , Figure 2 , Figure 4 , Figure 6 and Figure 7The support plate 3 and the baffle 102 are connected by bolts, the support rod 301 and the support plate 3 and the bottom plate 302 are connected by bolts, the second upper cover 205 and the dust removal tank 201 are connected by bolts, the upper part of the dust bag 208 is clamped between the second upper cover 205 and the dust removal tank 201, the lower part of the dust bag 208 and the limit frame 207 are connected by bolts, the limit frame 207 and the dust removal tank 201 are connected by bolts, the nozzles and dust bags 208 arranged at the lower end of the backwash pipe 204 are distributed correspondingly and inserted into the opening at the upper end of the dust bag 208. After the preliminary air separation is completed, the fine powder passes through the cage rotor After the collision with 111, under the action of the rising airflow, the dust-laden airflow is affected by the strong and stable planar vortex formed by the rotating cage rotor 111, and the fine powder that meets the requirements passes through the cage rotor through the powder discharge port 103 and the powder discharge pipe 4 into the dust collector 2, and is dusted by the dust bag 208. Then the fine sand is discharged along the fine sand discharge port 202, and the airflow after dust removal by the dust bag 208 is discharged through the exhaust pipe 5, and the dust bag 208 can regularly control the backwashing pipe 204 through the backwashing control valve 203 to perform air blowing dust removal to improve the dust removal efficiency, so that the airflow discharged after the machine-made sand is selected is cleaner and dust is reduced.

[0030] Working principle: The air separation tank 101 of the machine-made sand air separation and dust removal equipment is connected to the first upper cover 104 and the circulating air tank 107 by bolts, the circulating air tank 107 and the sand discharge tank 108 are connected by bolts, the first upper cover 104 and the rotating motor 106 are connected by bolts, the rotating motor 106 and the rotating shaft 112 are connected by a coupling, the rotating shaft 112 and the guide barrel 113 and the cage rotor 111 are all connected by bolts, the guide barrel 113 and the cage rotor 111 and the spreading plate 114 are all connected by bolts, the powder discharge pipe 4 and the powder discharge port 103 and the dust inlet 206 are connected by bolts, and when in use, the rotating motor 106 drives the cage rotor 111, The rotating shaft 112, the guide barrel 113 and the spreading plate 114 rotate, and the machine-made sand enters the cage rotor 111 through the feed pipe 105 and falls on the guide barrel 113 and the spreading plate 114. The machine-made sand is evenly spread around under the action of the inertial centrifugal force generated by the rotation of the spreading plate 114. The dispersed machine-made sand is thrown to the inner wall of the air separation tank 101 by the high-speed airflow under the action of the wind force of the fan externally connected to the air inlet 110. After the collision, it loses kinetic energy and slides down along the wall and is discharged from the coarse sand discharge port 109. The remaining particles are rolled up by the rotating rising airflow. When passing through the cage rotor 111, a part of the coarse powder particles are thrown into the inner wall of the air separation tank 101 under the impact of the cage rotor 111. The wall loses kinetic energy after collision and slides down along the wall and is discharged from the coarse sand discharge port 109, thereby completing the preliminary air selection of the machine-made sand. The support plate 3 and the baffle 102 are connected by bolts, the support rod 301 and the support plate 3 and the bottom plate 302 are connected by bolts, the second upper cover 205 and the dust removal tank 201 are connected by bolts, the upper part of the dust bag 208 is clamped between the second upper cover 205 and the dust removal tank 201, the lower part of the dust bag 208 and the limit frame 207 are connected by bolts, the limit frame 207 and the dust removal tank 201 are connected by bolts, the nozzle and the dust bag 208 arranged at the lower end of the backwash pipe 204 are correspondingly distributed and inserted in the opening at the upper end of the dust bag 208. At the mouth, after the preliminary air separation is completed, the fine powder passes through the impact of the cage rotor 111. Under the action of the rising airflow, the dust-containing airflow is affected by the strong and stable planar vortex formed by the rotating cage rotor 111. The fine powder that meets the requirements passes through the cage rotor through the powder discharge port 103 and the powder discharge pipe 4 into the dust collector 2, and is dusted by the dust bag 208. Then the fine sand is discharged along the fine sand discharge port 202, and the airflow after dust removal by the dust bag 208 is discharged through the exhaust pipe 5. The dust bag 208 can regularly control the backwashing pipe 204 through the backwashing control valve 203 to perform air blowing dust removal to improve the dust removal efficiency, so that the airflow discharged after the machine-made sand air separation is cleaner and dust is reduced.

[0031] 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 machine-made sand air separation and dust removal device, comprising an air separation machine (1), a dust collector (2), a support plate (3), a powder discharge pipe (4) and an exhaust pipe (5), characterized in that: The upper part of the air separator (1) is externally connected to a plurality of powder discharge pipes (4), the lower end of the powder discharge pipe (4) is connected to a dust collector (2), the upper end of the dust collector (2) is connected to an exhaust pipe (5), and the air separator (1), the dust collector (2) and the powder discharge pipe (4) are all connected to a support plate (3); The air separator (1) comprises a first upper cover (104), an air separation tank (101), a circulating air tank (107) and a sand discharge tank (108) which are arranged from top to bottom, and a feed pipe (105) and a rotating motor (106) are provided at the upper end of the first upper cover (104), a rotating shaft (112) is connected to the lower end of the rotating motor (106), a guide barrel (113) is provided at the lower end of the rotating shaft (112), a cage rotor (111) is connected to the outside of the guide barrel (113), a material spreading plate (114) is provided at the lower part of the guide barrel (113), a plurality of powder discharge ports (103) are provided at the upper part of the outside of the air separation tank (101), an air inlet (110) is provided on the circulating air tank (107), and a coarse sand discharge port (109) is provided at the lower end of the sand discharge tank (108); The dust collector (2) comprises a second upper cover (205) and a dust removal tank (201) which are arranged from top to bottom, and the lower part of the second upper cover (205) is connected to a backwash pipe (204), one end of the backwash pipe (204) is connected to a backwash control valve (203), the upper end of the interior of the dust removal tank (201) is connected to a dust removal bag (208), the lower part of the dust removal bag (208) is connected to a limiting frame (207), a dust inlet (206) is provided on one side of the dust removal tank (201) near the upper end of the limiting frame (207), and a fine sand discharge port (202) is provided at the lower end of the dust removal tank (201); The lower end of the support plate (3) is connected to a support rod (301), and the lower end of the support rod (301) is connected to a bottom plate (302); A baffle (102) is provided at the middle of the exterior of the air separator (1), the dust collector (2) and the powder discharge pipe (4).

2. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized in that: The air separation tank (101) and the first upper cover (104) and the circulating air tank (107) are connected via bolts, and the circulating air tank (107) and the sand removal tank (108) are connected via bolts.

3. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized in that: The first upper cover (104) and the rotating motor (106) are connected via bolts, the rotating motor (106) and the rotating shaft (112) are connected via a coupling, the rotating shaft (112) and the guide barrel (113) and the cage rotor (111) are connected via bolts, and the guide barrel (113) and the cage rotor (111) and the material spreading plate (114) are connected via bolts.

4. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized in that: The powder discharge pipe (4) is connected to the powder discharge port (103) and the dust inlet port (206) via bolts.

5. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized in that: The support plate (3) and the baffle plate (102) are connected via bolts, and the support rod (301) and the support plate (3) and the bottom plate (302) are connected via bolts.

6. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized by: The second upper cover (205) and the dust removal tank (201) are connected by bolts, the upper part of the dust removal bag (208) is clamped between the second upper cover (205) and the dust removal tank (201), the lower part of the dust removal bag (208) and the limiting frame (207) are connected by bolts, and the limiting frame (207) and the dust removal tank (201) are connected by bolts.

7. The machine-made sand air separation and dust removal equipment according to claim 1 is characterized by: The nozzle and the dust removal bag (208) arranged at the lower end of the backwash pipe (204) are distributed correspondingly and inserted into the opening at the upper end of the dust removal bag (208).

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