Sodium hydroxide feeding device

Abstract

The utility model provides a sodium hydroxide feeding device and belongs to the technical field of wastewater treatment equipment. The sodium hydroxide feeding device comprises a stirrer, a feeding mechanism and an air draft and dust collection mechanism. The feeding mechanism comprises a fan cover, an inverted-cone-shaped feeding bin and a conical barrel, a feeding port and a discharging port are formed in the top and the bottom of the fan cover respectively, the stirrer is located below the discharging port of the fan cover, the feeding bin is fixedly installed in the position, below the feeding port, of the fan cover, a discharging port is formed in the bottom of the feeding bin, and the conical barrel is fixed in the feeding bin. Through holes are formed in the outer side of the conical barrel at equal intervals. Sodium hydroxide in the packaging bag falls into the feeding bin through a through opening in the outer portion of the conical barrel and finally enters the stirring machine from a discharging opening in the bottom of the feeding bin. And after sodium hydroxide in the packaging bag is completely leaked, the empty packaging bag is conveyed out from the position above the fan cover through the travelling crane, automatic bag breaking and discharging of bagged sodium hydroxide are achieved, and compared with manual bag breaking, the bag breaking device is more efficient and safer.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment equipment, in particular to a sodium hydroxide feeding device. Background Art

[0002] When sodium hydroxide is used for wastewater treatment, a large amount of dust will be generated, causing the operating environment to deteriorate and affecting the respiratory health of the operators. For example, the public document with the announcement number CN211515499U discloses a sodium hydroxide feeding device, including a mixer, a hood and a dust collection device. A feeding port is provided on the upper side of the mixer, and the hood is provided on the upper side of the mixer. The feeding port is located inside the hood, and a feed port is provided on one side of the hood. A dust collection port is provided on the other side of the hood, and the dust collection port is connected to the dust collection device. When the above-mentioned feeding device uses a crane to transfer the bagged sodium hydroxide to the top of the feeding port, the bagged sodium hydroxide cannot be automatically punctured, that is, each time the bagged sodium hydroxide is transferred to the top of the feeding port, it needs to be manually punctured one by one, resulting in low feeding efficiency. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a sodium hydroxide feeding device, which aims to improve the problem that the feeding device in the related art cannot automatically puncture the bagged sodium hydroxide.

[0004] The utility model is achieved in this way:

[0005] The utility model provides a sodium hydroxide feeding device, which comprises a stirrer, a feeding mechanism and an exhaust dust collecting mechanism.

[0006] The feeding mechanism comprises an air hood, an inverted conical feeding bin and a conical barrel, the top and bottom of the air hood are respectively provided with a feeding port and a discharging port, and the mixer is located below the discharging port of the air hood, the feeding bin is fixedly installed inside the air hood below the feeding port, a discharging port is provided at the bottom of the feeding bin, and the conical barrel is fixed inside the feeding bin, and through ports are equidistantly provided outside the conical barrel;

[0007] The air inlet port of the exhaust dust collecting mechanism is connected to the back of the air hood.

[0008] In one embodiment of the utility model, the feeding mechanism further comprises a support frame, and the support frame connects the wind hood and the feeding bin.

[0009] In one embodiment of the utility model, the exhaust dust collection mechanism includes a dust box, a connecting air duct and an air outlet duct, one end of the connecting air duct is connected to the back of the air hood, and the other end of the connecting air duct is connected to the air inlet of the dust box, one end of the air outlet duct is connected to the air outlet of the dust box, and a fan is installed on the air outlet duct.

[0010] In an embodiment of the utility model, the exhaust dust collection mechanism further includes a filter, and the filter is arranged at an end of the connecting air duct away from the dust collection box.

[0011] In an embodiment of the utility model, the dust collecting box includes a box body and a filter plate, the box body is provided with an air inlet and an air outlet on both sides, and the filter plate is obliquely arranged inside the box body near the air outlet.

[0012] In an embodiment of the present utility model, the dust box further comprises a drawer, and the drawer is arranged on the bottom side of the box body.

[0013] In an embodiment of the present utility model, the filter plate comprises a filter screen plate and a filter cotton layer, and the filter screen plate is arranged on a side close to the air inlet of the box.

[0014] The beneficial effect of the utility model is that the sodium hydroxide feeding device obtained by the above design is a sodium hydroxide feeding device in which the bagged sodium hydroxide lifted by the crane is pierced by the top of the conical cylinder, and the sodium hydroxide in the packaging bag falls into the feeding bin through the opening outside the conical cylinder, and finally enters the mixer from the discharge port at the bottom of the feeding bin. After the sodium hydroxide in the packaging bag is completely drained, the crane transports the empty packaging bag out from above the wind hood, realizing automatic bag breaking and discharging of the bagged sodium hydroxide, which is more efficient and safer than manual bag breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic structural diagram of a sodium hydroxide feeding device provided in an embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the feeding bin, support frame and conical cylinder structure provided for the embodiment of the utility model;

[0018] Figure 3 A schematic diagram of the structure of the exhaust dust collection mechanism provided in the embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the internal structure of a dust collection box provided in an embodiment of the utility model;

[0020] Figure 5 A schematic diagram of the filter plate structure provided in an embodiment of the utility model.

[0021] In the figure: 10-mixer; 20-feeding mechanism; 210-wind hood; 220-feeding bin; 230-support frame; 240-conical cylinder; 250-port; 30-exhaust dust collection mechanism; 310-dust collection box; 311-box body; 312-filter plate; 3121-filter screen plate; 3122-filter cotton layer; 313-drawer; 320-connecting air duct; 330-air outlet duct; 340-fan; 350-filter screen. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 5 The utility model provides a sodium hydroxide feeding device, which includes a mixer 10, a feeding mechanism 20 and an exhaust dust collection mechanism 30.

[0025] The feeding mechanism 20 is used to automatically break the bag of sodium hydroxide lifted by the crane and feed it into the mixer 10, and the exhaust dust collection mechanism 30 can collect and clean the generated sodium hydroxide dust.

[0026] See also Figure 1 and Figure 2 The feeding mechanism 20 includes a hood 210, an inverted cone-shaped feeding bin 220 and a conical barrel 240. A feeding port and a discharging port are respectively provided at the top and bottom of the hood 210, and the mixer 10 is located below the discharging port of the hood 210. The feeding bin 220 is fixedly installed inside the hood 210 below the feeding port. The feeding mechanism 20 also includes a support frame 230, and the support frame 230 connects the hood 210 and the feeding bin 220 by bolts. A discharge port is provided at the bottom of the feeding bin 220, and the conical barrel 240 is fixed inside the feeding bin 220 by welding, and through openings 250 are equidistantly provided on the outside of the conical barrel 240. The air inlet port of the exhaust dust collection mechanism 30 is connected to the back of the hood 210.

[0027] The bagged sodium hydroxide hoisted by the crane enters the feeding bin 220 from the feeding port on the top of the wind hood 210. The bagged sodium hydroxide is lowered to the top of the conical cylinder 240, that is, under the gravity of the bagged sodium hydroxide, the packaging bag is pierced by the top of the conical cylinder 240, and the sodium hydroxide inside the packaging bag falls into the feeding bin 220 through the opening 250 outside the conical cylinder 240, and finally enters the mixer 10 from the discharge port at the bottom of the feeding bin 220. After the sodium hydroxide inside the packaging bag is drained, the crane transports the empty packaging bag out from the top of the wind hood 210, realizing automatic bag breaking and discharging of the bagged sodium hydroxide, which is more efficient and safer than manual bag breaking.

[0028] In the above specific implementation, please refer to Figure 3 The exhaust dust collection mechanism 30 includes a dust box 310, a connecting air duct 320 and an air outlet duct 330. One end of the connecting air duct 320 is connected to the back of the hood 210, and the other end of the connecting air duct 320 is connected to the air inlet of the dust box 310. One end of the air outlet duct 330 is connected to the air outlet of the dust box 310, and a fan 340 is installed on the air outlet duct 330. The running fan 340 forms air circulation, and the dust inside the hood 210 enters the dust box 310 through the connecting air duct 320 and is collected, and at the same time reduces the diffusion of sodium hydroxide dust to protect the safety of the operators.

[0029] Furthermore, the exhaust dust collection mechanism 30 further includes a filter 350, which is arranged at one end of the connecting air duct 320 away from the dust box 310. The filter 350 is arranged to prevent larger waste chips from entering the dust box 310.

[0030] Specifically, see Figure 4 and Figure 5 The dust box 310 includes a box body 311 and a filter plate 312. The box body 311 is provided with an air inlet and an air outlet on both sides, and the filter plate 312 is tiltedly arranged inside the box body 311 near the air outlet. The filter plate 312 includes a filter plate 3121 and a filter cotton layer 3122, and the filter plate 3121 is arranged on the side close to the air inlet of the box body 311. The filter plate 3121 and the filter cotton layer 3122 in the filter plate 312 are used to filter dust in the air.

[0031] In a specific configuration, the dust box 310 further includes a drawer 313 , which is disposed at the bottom of the box body 311 , and the dust collected inside the box body 311 can be directly and quickly taken out through the drawer 313 .

[0032] It should be noted that the specific model and specifications of the fan 340 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail. The power supply and principle of the fan 340 are clear to those skilled in the art and will not be described in detail here.

[0033] The working principle of the sodium hydroxide feeding device is as follows: when in use, the bagged sodium hydroxide hoisted by the crane enters the feeding bin 220 from the feeding port on the top of the wind hood 210. The bagged sodium hydroxide is lowered to the top of the conical cylinder 240, that is, under the gravity of the bagged sodium hydroxide, the packaging bag is pierced by the top of the conical cylinder 240, and the sodium hydroxide inside the packaging bag falls into the feeding bin 220 through the opening 250 outside the conical cylinder 240, and finally enters the mixer 10 from the discharge port at the bottom of the feeding bin 220. After the sodium hydroxide inside the packaging bag is exhausted, the crane transports the empty packaging bag out from the top of the wind hood 210, realizing automatic bag breaking and discharging of the bagged sodium hydroxide, which is more efficient and safer than manual bag breaking.

[0034] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sodium hydroxide feeding device, characterized in that, include Blender (10); A feeding mechanism (20), the feeding mechanism (20) comprising an air hood (210), an inverted conical feeding bin (220) and a conical barrel (240), the air hood (210) being provided with a feeding port and a discharging port at the top and bottom respectively, and the mixer (10) being located below the discharging port of the air hood (210), the feeding bin (220) being fixedly mounted inside the air hood (210) below the feeding port, a discharging port being provided at the bottom of the feeding bin (220), the conical barrel (240) being fixed inside the feeding bin (220), and through ports (250) being equidistantly provided outside the conical barrel (240); An air extraction and dust collection mechanism (30), wherein an air inlet port of the air extraction and dust collection mechanism (30) is connected to the back of the wind cover (210).

2. A sodium hydroxide feeding device according to claim 1, characterized in that, The feeding mechanism (20) further comprises a support frame (230), wherein the support frame (230) connects the wind hood (210) and the feeding bin (220).

3. A sodium hydroxide feeding device according to claim 1, characterized in that, The exhaust dust collection mechanism (30) comprises a dust box (310), a connecting air duct (320) and an air outlet duct (330); one end of the connecting air duct (320) is connected to the back of the wind cover (210), and the other end of the connecting air duct (320) is connected to the air inlet of the dust box (310); one end of the air outlet duct (330) is connected to the air outlet of the dust box (310), and a fan (340) is installed on the air outlet duct (330).

4. A sodium hydroxide feeding device according to claim 3, characterized in that, The exhaust dust collection mechanism (30) further comprises a filter screen (350), wherein the filter screen (350) is arranged at an end of the connecting air duct (320) away from the dust collection box (310).

5. A sodium hydroxide feeding device according to claim 3, characterized in that, The dust collecting box (310) comprises a box body (311) and a filter plate (312), an air inlet and an air outlet are respectively arranged on both sides of the box body (311), and the filter plate (312) is arranged obliquely inside the box body (311) near the air outlet.

6. A sodium hydroxide feeding device according to claim 5, characterized in that, The dust collection box (310) further comprises a drawer (313), wherein the drawer (313) is arranged on the bottom side of the box body (311).

7. A sodium hydroxide feeding device according to claim 5, characterized in that, The filter plate component (312) comprises a filter screen plate (3121) and a filter cotton layer (3122); the filter screen plate (3121) is arranged on a side close to the air inlet of the box body (311).

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