Wastewater heavy metal ion precipitation device

Abstract

The utility model relates to the technical field of wastewater treatment equipment, in particular to a wastewater heavy metal ion precipitation device, which precipitates heavy metal ions by arranging a dosing device and adding a vulcanizing agent into wastewater to form sulfide precipitates, reduces the energy consumption, lowers the recovery cost, and improves the recovery efficiency by arranging a filter device. Sediments in the wastewater are automatically filtered and collected, so that the usability of the machine is improved; comprising a body; the device comprises a machine body, and further comprises a stirring device, a dosing device, an extraction device, a filtering device and an electric heater, the stirring device is installed on the machine body, the dosing device and the electric heater are both installed on the stirring device, the extraction device is installed on the machine body and the stirring device, and the filtering device is installed on the extraction device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wastewater treatment equipment, in particular to a kind of wastewater heavy metal ion precipitation device. BACKGROUND

[0002] In order to protect the environment and reduce production cost, it is necessary to recover heavy metals in industrial wastewater, which is usually recovered by changing heavy metal ions into precipitates.

[0003] For example, a kind of industrial wastewater heavy metal filtering extraction device represented by the Chinese utility model patent with the authorization announcement No. CN222064174U, its main structure includes barrel body two, filter barrel and stirring blade, barrel body two heats wastewater, filter barrel filters wastewater when feeding, and stirring blade stirs wastewater when heating.

[0004] However, the existing technical equipment still has the following problems when in use: the existing machine evaporates wastewater to form precipitates by heating wastewater, which uses more energy and has higher recovery cost, and the existing machine is not convenient to take out precipitates, and the machine has poor ease of use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a wastewater heavy metal ion precipitation device by setting a dosing device, precipitating heavy metal ions by adding sulfide reagent into wastewater to form sulfide precipitates, reducing energy use and reducing recovery cost, and setting a filtering device to automatically filter and collect precipitates in wastewater, improving the ease of use of the machine.

[0006] The wastewater heavy metal ion precipitation device of the utility model, including body, further including stirring device, dosing device, extraction device, filtering device and electric heater, stirring device is installed on body, dosing device and electric heater are all installed on stirring device, extraction device is installed on body and stirring device, filtering device is installed on extraction device, body provides support, stirring device contains wastewater and stirs wastewater, dosing device automatically adds sulfide reagent into wastewater to form precipitates, extraction device extracts sulfided wastewater in stirring device, filtering device filters heavy metal sulfide precipitates in wastewater when extracting sulfided wastewater, and electric heater heats wastewater.

[0007] Preferably, the body includes a bottom plate, a plurality of supports one, a support two and a support three, the plurality of supports one and the support three are installed at the top end of the bottom plate, and the support two is installed at the top end of the plurality of supports one; support is provided.

[0008] Preferably, the stirring device comprises a reaction kettle, a support four, a speed reducer one, a motor one and stirring blades, the reaction kettle is installed on the support two, the bottom end of the reaction kettle is provided with a discharge hole and a transmission hole, and the bottom end of the reaction kettle is provided with a material guide slope inclined to the discharge hole, the support four is installed at the bottom end of the reaction kettle, the speed reducer one is fixedly installed at the bottom end of the support four, the motor one is fixedly installed at the bottom end of the speed reducer one, the stirring blades are rotatably installed in the transmission hole, and the stirring blades are rotatably installed at the top end of the speed reducer one, and the motor one drives the stirring blades through the speed reducer one; the reaction kettle contains wastewater, the motor one provides power to drive the stirring blades to rotate, and the stirring blades rotate to stir the wastewater.

[0009] Preferably, the dosing device comprises a support five, a baffle, two supports six, a hopper, a dosing plate, a speed reducer two and a motor two, the support five is installed on the side end of the reaction kettle, the baffle is installed on one side of the support five away from the reaction kettle, the two supports six are symmetrically installed on the baffle, the hopper is installed on the two supports six, the top end of the hopper is provided with a feeding port, the bottom end of the hopper is provided with a feeding port, the dosing plate is rotatably installed at the top end of the support five, the speed reducer two is fixedly installed at the bottom end of the support five, and the speed reducer two and the dosing plate are rotatably connected through the support five, and the motor two is fixedly installed at the bottom end of the speed reducer two, and the motor two drives the dosing plate through the speed reducer two; the hopper contains and transports vulcanizing agents, the motor two provides power to drive the dosing plate to rotate, and the dosing plate rotates to throw the vulcanizing agents discharged from the hopper into the reaction kettle, which can prevent the water vapor evaporated from the wastewater from entering the hopper when the vulcanizing agents are dosed, so as to make the vulcanizing agents agglomerate, and also can make the vulcanizing agents be more uniformly dosed to the surface of the wastewater, thereby improving the dissolution speed of the vulcanizing agents.

[0010] Preferably, the extraction device comprises an electric control valve, a pipeline, a motor three and an impeller pump, the electric control valve is installed at the bottom end of the discharge hole of the reaction kettle, one end of the pipeline is installed at the bottom end of the electric control valve, the motor three is installed at the top end of the support three, the impeller pump is fixedly installed at the side end of the motor three, and the other end of the pipeline is installed on the impeller pump; the motor three provides power to drive the impeller pump to operate, so as to extract the wastewater in the reaction kettle through the pipeline, and the electric control valve controls the wastewater in the reaction kettle to be discharged.

[0011] Preferably, the filtering device comprises a three-way pipeline, a filter screen and a pipeline cover, the three-way pipeline is communicatively installed on the pipeline, the filter screen is slidably installed in the three-way pipeline, and the pipeline cover is installed at the bottom end of the three-way pipeline; the filter screen filters the wastewater flowing through the pipeline, and filters and retains the heavy metal sulfides carried in the wastewater, and the pipeline cover seals the three-way pipeline.

[0012] Preferably, the electric heater is installed on the inner side wall of the reaction kettle; the electric heater heats the wastewater in the reaction kettle, improves the dissolution amount of the vulcanizing agents, improves the vulcanization speed of the heavy metal ions, reduces the dissolution of non-heavy metal substances after vulcanization, and improves the purity of the heavy metal sulfides.

[0013] The beneficial effects of the utility model compared with prior art are: through the way of precipitating heavy metal ions by putting sulfuration reagent into wastewater to form sulfide precipitate, energy use is less, and recovery cost is lower, and the precipitate in wastewater can be automatically filtered and collected, and the machine is easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic diagram of the utility model;

[0015] Figure 2 is the axonometric structure schematic diagram of the machine body;

[0016] Figure 3 is the axonometric structure schematic diagram of the stirring device;

[0017] Figure 4 is the axonometric structure schematic diagram of the stirring device;

[0018] Figure 5 is the axonometric structure schematic diagram of the dosing device;

[0019] Figure 6 is the axonometric structure schematic diagram of the dosing device;

[0020] Figure 7 is the axonometric section structure schematic diagram of the extraction device and filter device;

[0021] Figure 8 is the axonometric structure schematic diagram of the electric heater.

[0022] Mark in the drawing: 01, machine body;11, bottom plate;12, support one;13, support two;14, support three;02, stirring device;21, reaction kettle;22, support four;23, speed reducer one;24, motor one;25, stirring fan blade;03, dosing device;31, support five;32, baffle;33, support six;34, hopper;35, dosing plate;36, speed reducer two;37, motor two;04, extraction device;41, electric control valve;42, pipeline;43, motor three;44, vane pump;05, filter device;51, three-way pipeline;52, filter screen;53, pipeline cover;06, electric heater. DETAILED DESCRIPTION

[0023] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] Example 1

[0025] As Figure 1 shown, including the body 01; also includes stirring device 02, dosing device 03, extraction device 04, filter device 05 and electric heater 06, stirring device 02 is installed on the body 01, dosing device 03 and electric heater 06 are installed on the stirring device 02, extraction device 04 is installed on the body 01 and stirring device 02, filter device 05 is installed on the extraction device 04; the body 01 provides support, stirring device 02 holds wastewater and stirs the wastewater, dosing device 03 automatically feeds sulfuration reagent into the wastewater, forms a precipitate, extraction device 04 extracts the sulfuration wastewater in the stirring device 02, filter device 05 filters the heavy metal sulfide precipitate in the wastewater when extracting the sulfuration wastewater, electric heater 06 heats the wastewater;

[0026] As Figure 2 shown, the body 01 includes a bottom plate 11, a plurality of supports one 12, a support two 13 and a support three 14, a plurality of supports one 12 and a support three 14 are installed on the top end of the bottom plate 11, and the support two 13 is installed on the top end of the plurality of supports one 12;

[0027] As Figure 3 and Figure 4 shown, the stirring device 02 includes a reaction kettle 21, a support four 22, a reducer one 23, a motor one 24 and a stirring blade 25, the reaction kettle 21 is installed on the support two 13, the bottom end of the reaction kettle 21 is provided with a discharge hole and a transmission hole, and the bottom end of the reaction kettle 21 is provided with a material guide slope inclined to the discharge hole, the support four 22 is installed on the bottom end of the reaction kettle 21, the reducer one 23 is fixedly installed on the bottom end of the support four 22, the motor one 24 is fixedly installed on the bottom end of the reducer one 23, the stirring blade 25 is rotatably installed in the transmission hole, and the stirring blade 25 is rotatably installed on the top end of the reducer one 23, the motor one 24 provides power to the stirring blade 25 through the reducer one 23;

[0028] As Figure 5 and Figure 6 shown, the dosing device 03 includes a support five 31, a baffle 32, two supports six 33, a hopper 34, a dosing plate 35, a reducer two 36 and a motor two 37, the support five 31 is installed on the side end of the reaction kettle 21, the baffle 32 is installed on the support five 31 away from the reaction kettle 21, the two supports six 33 are symmetrically installed on the baffle 32, the hopper 34 is installed on the two supports six 33, the hopper 34 is provided with a feeding port at the top end, the hopper 34 is provided with a feeding port at the bottom end, the dosing plate 35 is rotatably installed on the top end of the support five 31, the reducer two 36 is fixedly installed on the bottom end of the support five 31, and the reducer two 36 and the dosing plate 35 are rotatably connected through the support five 31, the motor two 37 is fixedly installed on the bottom end of the reducer two 36, and the motor two 37 provides power to the dosing plate 35 through the reducer two 36;

[0029] As Figure 7 shown, the extraction device 04 includes an electric control valve 41, a pipe 42, a motor three 43 and an impeller pump 44, the electric control valve 41 is installed at the bottom end of the discharge hole of the reaction kettle 21, one end of the pipe 42 is installed at the bottom end of the electric control valve 41, the motor three 43 is installed at the top end of the support three 14, the impeller pump 44 is fixedly installed at the side end of the motor three 43, and the other end of the pipe 42 is installed on the impeller pump 44;

[0030] As Figure 7 shown, the filter device 05 includes a three-way pipe 51, a filter screen 52 and a pipe cover 53, the three-way pipe 51 is communicatedly installed on the pipe 42, the filter screen 52 is slidingly installed inside the three-way pipe 51, and the pipe cover 53 is installed at the bottom end of the three-way pipe 51;

[0031] First, the wastewater is poured into the reaction kettle 21, and the sulfuration reagent is poured into the hopper 34, then the motor one 24 and the motor two 37 are turned on, the motor one 24 provides power to drive the stirring fan blade 25 to rotate, the stirring fan blade 25 rotates to stir the wastewater, the motor two 37 provides power to drive the dosing plate 35 to rotate, and the dosing plate 35 rotates to throw the sulfuration reagent discharged from the hopper 34 into the inside of the reaction kettle 21, which can prevent the water vapor evaporated from the wastewater from entering the hopper 34 when the sulfuration reagent is put, so as to make the sulfuration reagent agglomerate, and also can make the sulfuration reagent be more uniformly put on the surface of the wastewater, so as to improve the dissolution speed of the sulfuration reagent, when the sulfuration is completed, the electric control valve 41 and the motor three 43 are turned on, the motor three 43 provides power to drive the impeller pump 44 to operate to extract the wastewater in the reaction kettle 21 through the pipe 42, the electric control valve 41 controls the wastewater in the reaction kettle 21 to be discharged, at the same time, the filter screen 52 filters the wastewater flowing through the pipe 42 to filter and retain the heavy metal sulfide carried in the wastewater, and the pipe cover 53 seals the three-way pipe 51, when more heavy metal sulfide is collected, the pipe cover 53 is opened to take out.

[0032] Example 2

[0033] Based on example 1, it further includes:

[0034] As Figure 8 shown, the electric heater 06 is installed on the inside side wall of the reaction kettle 21;

[0035] First, the wastewater is poured into the reaction kettle 21, and the sulfide agent is poured into the hopper 34, then the motor one 24 and the motor two 37 are opened, the motor one 24 provides power to drive the stirring fan blade 25 to rotate, the stirring fan blade 25 rotates to stir the wastewater, the motor two 37 provides power to drive the dosing plate 35 to rotate, the dosing plate 35 rotates to throw the sulfide agent discharged from the hopper 34 into the reaction kettle 21, which can prevent the water vapor evaporated from the wastewater from entering the hopper 34 when the sulfide agent is put, so that the sulfide agent is agglomerated, and the sulfide agent can also be more uniformly put on the surface of the wastewater, so as to improve the dissolution speed of the sulfide agent, and the electric heater 06 is also opened at the same time, the electric heater 06 heats to heat the wastewater in the reaction kettle 21, so as to improve the dissolution amount of the sulfide agent and the sulfidation speed of the heavy metal ions, reduce the dissolution of non-heavy metal substances after sulfidation, and improve the purity of the heavy metal sulfide, when the sulfidation is completed, the electric control valve 41 and the motor three 43 are opened, the motor three 43 provides power to drive the impeller pump 44 to operate to draw the wastewater in the reaction kettle 21 through the pipeline 42, the electric control valve 41 controls the wastewater in the reaction kettle 21 to be discharged, and the filter screen 52 filters the wastewater flowing through the pipeline 42 to filter and retain the heavy metal sulfide carried in the wastewater, and the pipeline cover 53 seals the three-way pipeline 51, when more heavy metal sulfide is collected, the pipeline cover 53 can be opened to take out.

[0036] As Figures 1 to 8 shown, the wastewater heavy metal ion precipitation device of the utility model, in working, first, the wastewater is poured into the reaction kettle 21, and the sulfide agent is poured into the hopper 34, then the motor one 24 and the motor two 37 are opened, the motor one 24 provides power to drive the stirring fan blade 25 to rotate, the stirring fan blade 25 rotates to stir the wastewater, the motor two 37 provides power to drive the dosing plate 35 to rotate, the dosing plate 35 rotates to throw the sulfide agent discharged from the hopper 34 into the reaction kettle 21, which can prevent the water vapor evaporated from the wastewater from entering the hopper 34 when the sulfide agent is put, so that the sulfide agent is agglomerated, and the sulfide agent can also be more uniformly put on the surface of the wastewater, so as to improve the dissolution speed of the sulfide agent, and the electric heater 06 is also opened at the same time, the electric heater 06 heats to heat the wastewater in the reaction kettle 21, so as to improve the dissolution amount of the sulfide agent and the sulfidation speed of the heavy metal ions, reduce the dissolution of non-heavy metal substances after sulfidation, and improve the purity of the heavy metal sulfide, when the sulfidation is completed, the electric control valve 41 and the motor three 43 are opened, the motor three 43 provides power to drive the impeller pump 44 to operate to draw the wastewater in the reaction kettle 21 through the pipeline 42, the electric control valve 41 controls the wastewater in the reaction kettle 21 to be discharged, and the filter screen 52 filters the wastewater flowing through the pipeline 42 to filter and retain the heavy metal sulfide carried in the wastewater, and the pipeline cover 53 seals the three-way pipeline 51, when more heavy metal sulfide is collected, the pipeline cover 53 can be opened to take out.

[0037] The motor one 24, the motor two 37, the electric control valve 41, the motor three 43, the impeller pump 44 and the electric heater 06 are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0038] The main function realized by the utility model is that: through the setting of the dosing device 03, the heavy metal ions are precipitated by the way of precipitating sulfide by putting sulfuration reagent into wastewater, the energy use is reduced, the recovery cost is reduced, and the machine usability is improved by setting the filtering device 05 to automatically filter and collect the precipitate in the wastewater; The existing machine evaporates the wastewater to form the precipitate by heating the wastewater, which uses more energy and has higher recovery cost, and the existing machine is not convenient to take out the precipitate, and the machine usability is poor.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A wastewater heavy metal ion precipitation device, comprising a machine body (01); characterized in that, The stirring device (02), the dosing device (03), the extraction device (04), the filtering device (05) and the electric heater (06) are arranged on the machine body (01), the dosing device (03) and the electric heater (06) are arranged on the stirring device (02), the extraction device (04) is arranged on the machine body (01) and the stirring device (02), and the filtering device (05) is arranged on the extraction device (04); the machine body (01) provides support, the stirring device (02) contains wastewater and stirs the wastewater, the dosing device (03) automatically feeds sulfuration reagent into the wastewater to form a precipitate, the extraction device (04) extracts the sulfuration wastewater in the stirring device (02), the filtering device (05) filters the heavy metal sulfide precipitate in the wastewater during the extraction of the sulfuration wastewater, and the electric heater (06) heats the wastewater.

2. The apparatus for heavy metal ion precipitation from wastewater of claim 1, wherein, The machine body (01) comprises a bottom plate (11), a plurality of supports one (12), a support two (13) and a support three (14), the plurality of supports one (12) and the support three (14) are arranged on the top end of the bottom plate (11), and the support two (13) is arranged on the top end of the plurality of supports one (12).

3. A device for the precipitation of heavy metal ions from wastewater as claimed in claim 2, wherein, The stirring device (02) comprises a reaction kettle (21), a support four (22), a speed reducer one (23), a motor one (24) and stirring blades (25), the reaction kettle (21) is arranged on the support two (13), the bottom end of the reaction kettle (21) is provided with a discharge hole and a transmission hole, and the bottom end of the reaction kettle (21) is provided with a material guide slope (22) inclined to the discharge hole, the support four (22) is arranged on the bottom end of the reaction kettle (21), the speed reducer one (23) is fixedly arranged on the bottom end of the support four (22), the motor one (24) is fixedly arranged on the bottom end of the speed reducer one (23), the stirring blades (25) are rotatably arranged in the transmission hole, and the stirring blades (25) are rotatably arranged on the top end of the speed reducer one (23), and the motor one (24) provides power to the stirring blades (25) through the speed reducer one (23).

4. A device for the precipitation of heavy metal ions from wastewater as claimed in claim 3, wherein, The dosing device (03) comprises a support five (31), a baffle (32), two supports six (33), a hopper (34), a dosing plate (35), a speed reducer two (36) and a motor two (37), the support five (31) is arranged on the side end of the reaction kettle (21), the baffle (32) is arranged on the side of the support five (31) away from the reaction kettle (21), the two supports six (33) are symmetrically arranged on the baffle (32), the hopper (34) is arranged on the two supports six (33), the top end of the hopper (34) is provided with a feeding port, the bottom end of the hopper (34) is provided with a feeding port, the dosing plate (35) is rotatably arranged on the top end of the support five (31), the speed reducer two (36) is fixedly arranged on the bottom end of the support five (31), and the speed reducer two (36) and the dosing plate (35) are rotatably connected through the support five (31), the motor two (37) is fixedly arranged on the bottom end of the speed reducer two (36), and the motor two (37) provides power to the dosing plate (35) through the speed reducer two (36).

5. The apparatus for heavy metal ion precipitation from wastewater of claim 3, wherein The extraction device (04) comprises an electric control valve (41), a pipeline (42), a motor three (43) and an impeller pump (44), the electric control valve (41) is installed at the bottom end of the discharge hole of the reaction kettle (21), one end of the pipeline (42) is installed at the bottom end of the electric control valve (41), the motor three (43) is installed at the top end of the support three (14), the impeller pump (44) is fixedly installed at the side end of the motor three (43), and the other end of the pipeline (42) is installed on the impeller pump (44).

6. A device for the precipitation of heavy metal ions from wastewater as claimed in claim 5, wherein, The filtering device (05) comprises a three-way pipeline (51), a filter screen (52) and a pipeline cover (53), the three-way pipeline (51) is communicated and installed on the pipeline (42), the filter screen (52) is slidingly installed in the three-way pipeline (51), and the pipeline cover (53) is installed at the bottom end of the three-way pipeline (51).

7. The apparatus for heavy metal ion precipitation from wastewater of claim 3, wherein The electric heater (06) is installed on the inner side wall of the reaction kettle (21).

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