Pretreatment tank with wastewater recovery function

Abstract

The utility model relates to the technical field of industrial silicon production, in particular to a pretreatment tank with a waste water recovery function, which comprises a filtering mechanism, a precipitation mechanism is mounted at the bottom of the filtering mechanism, a mixing mechanism is inserted into one side of the precipitation mechanism, a spraying mechanism is mounted in the mixing mechanism, the filtering mechanism comprises a liquid inlet pipe, and the liquid inlet pipe is connected with the precipitation mechanism. And a material stirring motor is installed on one side of the liquid inlet pipe, one end of the material stirring motor is in driving connection with a bevel gear set, the bottom of the bevel gear set is in driving connection with a material stirring rod, and a filter plate is connected to one side of the liquid inlet pipe in an inserted mode. According to the improved pretreatment tank, the filtering mechanism is added in the pretreatment tank to recover industrial silicon residues in wastewater, the resource utilization rate of industrial silicon production is increased, meanwhile, the mixing mechanism is added to cooperate with a neutralizing agent sprayed by the spraying mechanism to mix and neutralize the wastewater, and the wastewater is conveniently recovered and treated to meet the use standard of cooling water; the utilization rate of wastewater is improved and the production cost of industrial silicon is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial silicon production, in particular to a pretreatment pool with a wastewater recovery function. Background Art

[0002] Industrial silicon, also known as quasi-metallic silicon, is a product smelted from silica and carbonaceous reducing agents in a submerged arc furnace. The main use of industrial silicon is as an additive for non-ferrous alloys. The production process of industrial silicon includes water washing, draining and drying, crushing and screening, smelting and slagging, water cooling and solidification, etc. In the production process of industrial silicon, a certain amount of wastewater will be generated during the pretreatment of industrial silicon, and a certain amount of industrial silicon residue will often remain in the wastewater. At the same time, the wastewater is also recycled and neutralized to meet the demand for cooling water, thereby improving the resource utilization rate of industrial silicon production. Therefore, a pretreatment pool with wastewater recovery function is needed to recycle industrial silicon wastewater and reduce resource waste in the production process of industrial silicon.

[0003] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. A certain amount of wastewater will be generated during the pretreatment process of industrial silicon production, and a pretreatment pool with a certain wastewater recovery function is required to recycle the industrial silicon residue to improve the resource utilization rate of industrial silicon production; 2. The wastewater generated in the production process of industrial silicon requires a certain stirring structure to neutralize the wastewater after filtration to meet the cooling water usage standards, so as to facilitate the subsequent use as cooling water, further improve the utilization rate of wastewater, and reduce the cost of industrial silicon production. Utility Model Content

[0004] The purpose of the utility model is to provide a pretreatment pool with a wastewater recycling function, so as to solve the problem that the wastewater generated in the pretreatment process of industrial silicon production mentioned in the above background technology contains certain industrial silicon residues, and a certain recycling structure is needed to recycle the residues. At the same time, a certain stirring structure is needed to neutralize the wastewater to meet the cooling water standard for subsequent use as cooling water, thereby improving the utilization rate of wastewater and reducing the production cost of industrial silicon. To achieve the above purpose, the utility model provides the following technical solutions: a pretreatment pool with a wastewater recycling function, including a filtering mechanism, a sedimentation mechanism is installed at the bottom of the filtering mechanism, a mixing mechanism is plugged into one side of the sedimentation mechanism, and a spraying mechanism is installed inside the mixing mechanism.

[0005] The filtering mechanism comprises a liquid inlet pipe, a material-moving motor is installed on one side of the liquid inlet pipe, one end of the material-moving motor is drivingly connected to a bevel gear set, the bottom of the bevel gear set is drivingly connected to a material-moving rod, and a filter plate is inserted on one side of the liquid inlet pipe.

[0006] The sedimentation mechanism comprises a sedimentation bin, a liquid inlet is penetrated through the top of the sedimentation bin, a guide plate is installed at the bottom of the sedimentation bin, a sewage suction pipe is installed on one side of the sedimentation bin, a sewage suction pump is installed at the top of the sewage suction pipe, and a connecting pipe is installed on one side of the sedimentation bin.

[0007] The mixing mechanism includes a mixing bin, a mixing motor is installed on one side of the mixing bin, one end of the mixing motor is drivingly connected to a mixing wheel shaft, one end of the mixing wheel shaft is welded with a resistance rod, a liquid outlet pipe is installed on one side of the mixing bin, and a liquid outlet valve is installed inside the liquid outlet pipe.

[0008] The spraying mechanism includes a spraying chamber, a medicine inlet pipe is installed on the top of the spraying chamber, a nozzle is installed on one side of the spraying chamber, the internal piston of the spraying chamber is connected to a piston plate, return springs are installed at both ends of the bottom of the piston plate, and a resistance plate is welded at the bottom center of the piston plate.

[0009] Further preferably, the material removing rod is an L-shaped structure, and the material removing rod forms a fitting connection structure with the top of the filter plate at the bottom by driving the connected bevel gear set, and the bottom of the liquid inlet pipe forms an outlet connection structure with the top of the sedimentation bin by plugging into the liquid inlet.

[0010] Further preferably, the guide plate has a trapezoidal cross-sectional structure, and the lower part forms a sedimentation tank with the bottom of the sedimentation bin, and the bottom end of the sewage suction pipe is at the same height as the sedimentation tank.

[0011] Further preferably, the other end of the connecting pipe is attached to the bottom inner wall of the mixing bin, and the mixing wheel shaft is connected to the mixing motor and the inner wall of the mixing bin to form a rotating connection structure.

[0012] Further preferably, the top end of the resistance rod is a curved rounded structure, the spray bin is installed on one side inner wall of the mixing bin and is located above one end of the mixing wheel shaft, and the resistance rod slides in resistance with the bottom of the resistance plate by welding one end of the mixing wheel shaft.

[0013] Further preferably, a resistance groove penetrates the bottom of the spray chamber, and the resistance plate forms a sliding connection structure by welding the bottom of the piston plate and cooperating with the resistance groove, and the other end of the return spring is respectively installed on both sides of the resistance groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, a filtering mechanism is added to the pretreatment tank to filter the industrial silicon residue remaining in the wastewater, and the material is shifted in cooperation with the shifting rod to prevent the residue from clogging the filter screen and causing the liquid inlet pipe to be blocked. At the same time, the plug-in filter plate is convenient for taking out the filtered industrial silicon residue, thereby improving the recovery effect of the industrial silicon in the wastewater. The sedimentation tank is cooperated to precipitate and extract the impurities in the wastewater, which is convenient for the subsequent recycling and processing of the wastewater, thereby improving the resource utilization rate of the industrial silicon production.

[0016] In the utility model, a mixing bin is added in the pretreatment tank and a neutralizing agent is used to neutralize the precipitated wastewater, so that the wastewater meets the subsequent cooling water usage standards. The resistance rod on the mixing wheel shaft contacts and slides with the resistance plate to squeeze the agent in the spraying bin for spraying, thereby improving the neutralization effect of the wastewater and the agent, further improving the utilization rate of the wastewater, and reducing the cost of industrial silicon production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the enlarged structure of the filter mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the precipitation mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the explosion-enlarged structure of the mixing mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of the spraying mechanism of the utility model.

[0022] In the figure: 1. Filter mechanism; 101. Liquid inlet pipe; 102. Material shifting motor; 103. Bevel gear set; 104. Material shifting rod; 105. Filter plate; 2. Sedimentation mechanism; 201. Sedimentation bin; 202. Liquid inlet; 203. Guide plate; 204. Sewage suction pipe; 205. Sewage suction pump; 206. Connecting pipe; 3. Mixing mechanism; 301. Mixing bin; 302. Mixing motor; 303. Mixing wheel axle; 304. Resistance rod; 305. Liquid outlet pipe; 306. Liquid outlet valve; 4. Spraying mechanism; 401. Spraying bin; 402. Material inlet pipe; 403. Nozzle; 404. Piston plate; 405. Return spring; 406. Resistance plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5 The utility model provides a technical solution: a pretreatment pool with wastewater recovery function, including a filtering mechanism 1, a sedimentation mechanism 2 is installed at the bottom of the filtering mechanism 1, a mixing mechanism 3 is inserted at one side of the sedimentation mechanism 2, and a spraying mechanism 4 is installed inside the mixing mechanism 3.

[0025] The filtering mechanism 1 includes a liquid inlet pipe 101, a material-moving motor 102 is installed on one side of the liquid inlet pipe 101, one end of the material-moving motor 102 is drivingly connected to a bevel gear set 103, the bottom of the bevel gear set 103 is drivingly connected to a material-moving rod 104, and a filter plate 105 is inserted on one side of the liquid inlet pipe 101.

[0026] The sedimentation mechanism 2 includes a sedimentation bin 201, a liquid inlet 202 is penetrated through the top of the sedimentation bin 201, a guide plate 203 is installed at the bottom of the sedimentation bin 201, a sewage suction pipe 204 is installed on one side of the sedimentation bin 201, a sewage suction pump 205 is installed at the top of the sewage suction pipe 204, and a connecting pipe 206 is installed on one side of the sedimentation bin 201.

[0027] The mixing mechanism 3 includes a mixing bin 301, a mixing motor 302 is installed on one side of the mixing bin 301, one end of the mixing motor 302 is drivingly connected to a mixing wheel shaft 303, one end of the mixing wheel shaft 303 is welded with a resistance rod 304, a liquid outlet pipe 305 is installed on one side of the mixing bin 301, and a liquid outlet valve 306 is installed inside the liquid outlet pipe 305.

[0028] The spraying mechanism 4 includes a spraying chamber 401, a medicine inlet pipe 402 is installed on the top of the spraying chamber 401, a nozzle 403 is installed on one side of the spraying chamber 401, the internal piston of the spraying chamber 401 is connected to a piston plate 404, return springs 405 are installed at both ends of the bottom of the piston plate 404, and a resistance plate 406 is welded to the bottom center of the piston plate 404.

[0029] In this embodiment, Figure 1 and Figure 2As shown, the material shifting rod 104 is an L-shaped structure, and the material shifting rod 104 is driven to connect the bevel gear set 103 and the top of the bottom filter plate 105 to form a fitting connection structure, and the bottom of the liquid inlet pipe 101 is connected to the top of the sedimentation bin 201 by plugging in the liquid inlet 202 to form an outlet connection structure; the material shifting rod 104 driven by the material shifting motor 102 rotates above the filter plate 105 to shift the material, so as to prevent the industrial silicon residue after the wastewater is filtered from clogging the filter plate 105 and affecting the filtering effect of the wastewater. At the same time, the plug-in method also makes it easy to take out the filter plate 105 for replacement, thereby improving the filtering effect of the wastewater.

[0030] In this embodiment, Figure 1 and Figure 3 As shown, the guide plate 203 has a trapezoidal cross-sectional structure, and the lower part forms a sedimentation tank with the bottom of the sedimentation bin 201, and the bottom end of the sewage suction pipe 204 is at the same height as the sedimentation tank; the filtered wastewater is guided by the guide plate 203, so that impurities in the wastewater are precipitated through the sedimentation tank, and the sewage suction pipe 204 is driven by the sewage suction pump 205 to absorb the impurities, which is convenient for subsequent sewage processing and improves the wastewater recovery effect.

[0031] In this embodiment, Figure 1 and Figure 4 As shown, the other end of the connecting pipe 206 is attached to the bottom inner wall of the mixing bin 301, and the mixing wheel shaft 303 forms a rotating connection structure with the inner wall of the mixing bin 301 by driving the connecting mixing motor 302; the wastewater introduced by the connecting pipe 206 is mixed with the reagent by the mixing motor 302 to improve the treatment effect of the wastewater, and cooperates with the liquid outlet valve 306 in the liquid outlet pipe 305 to facilitate the control of the discharge of the treated wastewater.

[0032] In this embodiment, Figure 4 and Figure 5 As shown, the top of the resistance rod 304 is a curved rounded structure, the spray chamber 401 is installed on the inner wall of one side of the mixing chamber 301, and is located above one end of the mixing wheel shaft 303, and the resistance rod 304 slides in resistance with the bottom of the resistance plate 406 by welding one end of the mixing wheel shaft 303; the mixing wheel shaft 303 rotates to mix the wastewater, and at the same time drives the resistance rod 304 and the resistance plate 406 to contact and extrude, and controls the nozzle 403 to spray, so as to avoid excessive spraying of the agent at one time to affect the neutralization effect with the wastewater, so as to facilitate the recycling of the wastewater.

[0033] In this embodiment, Figure 1 and Figure 5As shown, a resistance groove runs through the bottom of the spray chamber 401, and the resistance plate 406 forms a sliding connection structure by welding the bottom of the piston plate 404 to cooperate with the resistance groove, and the other end of the return spring 405 is respectively installed on both sides of the resistance groove; by adding a piston plate 404 connected to the return spring 405 inside the spray chamber 401, the agent is sprayed from the nozzle 403 by squeezing the agent, thereby improving the control effect of the agent spraying amount, avoiding spraying too much agent at one time, which is difficult to neutralize with the wastewater, thereby affecting the wastewater recovery and treatment effect.

[0034] The use method and advantages of the utility model: When the pretreatment pool with wastewater recycling function is used, the working process is as follows:

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, first, the operator injects the wastewater to be recycled into the pretreatment tank through the liquid inlet pipe 101; then the material-dispensing motor 102 is started to drive the bevel gear set 103 to drive the material-dispensing rod 104 to rotate, and the industrial silicon residue filtered on the filter plate 105 is dispensed to prevent the residue from accumulating and clogging the filter plate 105; then the filtered wastewater enters the sedimentation bin 201 through the liquid inlet 202 for sedimentation, and the impurities in the wastewater are diverted to the sedimentation tank with the help of the internal guide plate 203, and the sewage suction pump 205 is started to drive the sewage suction pipe 204 to absorb the impurities; finally, the precipitated wastewater passes through the connecting pipe 206 The mixing chamber 301 is entered, and the mixing motor 302 is started to drive the mixing wheel shaft 303 to rotate and mix the wastewater. At the same time, the resistance rod 304 at one end of the mixing wheel shaft 303 contacts and slides with the resistance plate 406 above, and cooperates with the return spring 405 to drive the piston plate 404 to do piston movement in the spray chamber 401. The neutralizing agent is added through the drug inlet pipe 402. With the movement of the piston plate 404, the neutralizing agent can be quantitatively squeezed into the mixing chamber 301 through the nozzle 403 for mixing. After the mixing is completed, the liquid outlet valve 306 at the liquid outlet pipe 305 is controlled to recycle the treated wastewater.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pretreatment tank with wastewater recovery function, comprising a filtering mechanism (1), characterized in that: A sedimentation mechanism (2) is installed at the bottom of the filtering mechanism (1), a mixing mechanism (3) is plugged into one side of the sedimentation mechanism (2), and a spraying mechanism (4) is installed inside the mixing mechanism (3); The filtering mechanism (1) comprises a liquid inlet pipe (101), a material-moving motor (102) is installed on one side of the liquid inlet pipe (101), one end of the material-moving motor (102) is drivingly connected to a bevel gear set (103), the bottom of the bevel gear set (103) is drivingly connected to a material-moving rod (104), and a filter plate (105) is plugged into one side of the liquid inlet pipe (101); The sedimentation mechanism (2) comprises a sedimentation bin (201), a liquid inlet (202) passing through the top of the sedimentation bin (201), a guide plate (203) installed at the bottom of the sedimentation bin (201), a sewage suction pipe (204) installed at one side of the sedimentation bin (201), a sewage suction pump (205) installed at the top of the sewage suction pipe (204), and a connecting pipe (206) installed at one side of the sedimentation bin (201); The mixing mechanism (3) comprises a mixing bin (301), a mixing motor (302) is installed on one side of the mixing bin (301), one end of the mixing motor (302) is drivingly connected to a mixing wheel shaft (303), one end of the mixing wheel shaft (303) is welded with a resistance rod (304), a liquid outlet pipe (305) is installed on one side of the mixing bin (301), and a liquid outlet valve (306) is installed inside the liquid outlet pipe (305); The medicine spraying mechanism (4) comprises a medicine spraying chamber (401), a medicine inlet pipe (402) is installed on the top of the medicine spraying chamber (401), a nozzle (403) is installed on one side of the medicine spraying chamber (401), the internal piston of the medicine spraying chamber (401) is connected to a piston plate (404), return springs (405) are installed at both ends of the bottom of the piston plate (404), and a resistance plate (406) is welded at the center of the bottom of the piston plate (404).

2. The pretreatment tank with wastewater recovery function according to claim 1, characterized in that: The material shifting rod (104) is an L-shaped structure, and the material shifting rod (104) forms a fitting connection structure with the top of the bottom filter plate (105) by driving the connected bevel gear set (103), and the bottom of the liquid inlet pipe (101) forms an outlet connection structure with the top of the sedimentation bin (201) by plugging into the liquid inlet port (202).

3. The pretreatment tank with wastewater recovery function according to claim 1 is characterized in that: The guide plate (203) has a trapezoidal cross-sectional structure, and its lower part forms a sedimentation tank with the bottom of the sedimentation bin (201), and the bottom end of the sewage suction pipe (204) is at the same height as the sedimentation tank.

4. The pretreatment tank with wastewater recovery function according to claim 1, characterized in that: The other end of the connecting pipe (206) is attached to the bottom inner wall of the mixing bin (301), and the mixing wheel shaft (303) is connected to the mixing motor (302) by driving to form a rotating connection structure with the inner wall of the mixing bin (301).

5. The pretreatment tank with wastewater recovery function according to claim 1, characterized in that: The top end of the resistance rod (304) is a curved rounded structure, the spray chamber (401) is installed on the inner wall of one side of the mixing chamber (301) and is located above one end of the mixing wheel shaft (303), and the resistance rod (304) is slidably resisted against the bottom of the resistance plate (406) by welding one end of the mixing wheel shaft (303).

6. The pretreatment tank with wastewater recovery function according to claim 1, characterized in that: The bottom of the spray chamber (401) is penetrated by a resistance groove, and the resistance plate (406) is welded to the bottom of the piston plate (404) and cooperates with the resistance groove to form a sliding connection structure, and the other ends of the return spring (405) are respectively installed on both sides of the resistance groove.

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