CN211611738U - Separation and recovery device for overflow water of thickener - Google Patents

Separation and recovery device for overflow water of thickener Download PDF

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Publication number
CN211611738U
CN211611738U CN201922420665.9U CN201922420665U CN211611738U CN 211611738 U CN211611738 U CN 211611738U CN 201922420665 U CN201922420665 U CN 201922420665U CN 211611738 U CN211611738 U CN 211611738U
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water
tank
recovery
separation
channel
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CN201922420665.9U
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Inventor
陈小辉
张长征
李达
章邦琼
祝宝军
王志国
张洪涛
宋洪旺
王天明
李兆军
崔立华
王井利
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Inner Mongolia Jintao Corp ltd
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Inner Mongolia Jintao Corp ltd
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Abstract

The present disclosure relates to a separation and recovery device for overflow water of a thickener, the thickener (1) comprising an overflow launder (11) for discharging overflow water, the recovery device comprising: a solid-liquid separation tank (22) which is constructed as a conical sedimentation tank and has an upper tank body and a lower conical tank bottom, wherein the cross-sectional area of the lower conical tank bottom is gradually reduced from top to bottom; a water inlet channel (21) connected between the overflow trough and the upper part of the upper tank body; the water outlet channel (24), the water outlet channel (24) is connected above the upper tank body; and a material recovery channel (23) which is connected with the opening of the bottom of the lower conical tank so as to recover the material separated by sedimentation to the ore pulp stirring tank (3). The separation and recovery device for the overflow water of the thickener can ensure stable production process and improve production benefit.

Description

Separation and recovery device for overflow water of thickener
Technical Field
The utility model relates to the field of mining machinery, in particular to a separation and recovery device for overflow water of a thickener.
Background
The thickener is a solid-liquid separation device based on gravity settling effect, can concentrate ore pulp into underflow ore pulp through gravity settling, and by means of the action (rake lifting) of the rake which is installed in the thickener and runs at a slow speed, the thickened underflow ore pulp is discharged from a underflow opening at the bottom of the thickener, and clear liquid formed at the upper part is discharged from an overflow groove at the top of the thickener.
The overflow water generated after concentration by the thickener in the existing production process is directly returned to the flotation process without treatment, which causes fluctuation of the production flow (for example, fluctuation of the average content of useful components of the selected ore in a dressing plant is caused, and the addition of a medicament is further influenced), and is not favorable for the stability of the production process.
SUMMERY OF THE UTILITY MODEL
The purpose of the disclosure is to provide a separation and recovery device for overflow water of a thickener, which can ensure stable production process and improve production benefit.
In order to achieve the above object, the present disclosure provides a separation and recovery apparatus for overflow water of a thickener including an overflow tank for discharging the overflow water, the separation and recovery apparatus including: the solid-liquid separation tank is constructed as a conical sedimentation tank and is provided with an upper tank body and a lower conical tank bottom, and the cross-sectional area of the lower conical tank bottom is gradually reduced from top to bottom; the water inlet channel is connected between the overflow trough and the upper part of the upper tank body; the water outlet channel is connected above the upper tank body; and the material recovery channel is connected with the opening at the bottom of the lower conical tank so as to recover the materials subjected to precipitation separation into the ore pulp stirring tank.
Optionally, a baffle is arranged in the upper tank body, the water inlet channel is arranged opposite to the baffle, and the height ratio of the baffle to the upper tank body is 2: 5-3: 5.
Optionally, the ratio of the distance between the baffle and the water inlet pipe to the distance between the water inlet channel and the water outlet channel is 1: 4-1: 3.
Optionally, the separation and recovery device further comprises a filter plate, the filter plate is connected with the baffle plate to form an L-shaped partition plate, the upper tank body is divided into a water inlet cavity and a water outlet cavity by the L-shaped partition plate, the water inlet channel is communicated with the water inlet cavity, the water outlet channel is communicated with the water outlet cavity, and the filter plate is provided with a plurality of filter holes.
Optionally, the filter plate comprises a plate body arranged in parallel with the water outlet channel and a plurality of filter baffles arranged in a cross manner with the plate body, a plurality of filter holes with uniform intervals are formed in the plate body between every two adjacent filter baffles, and the filter baffles are uniformly spaced and obliquely arranged in a cross manner with the plate body so as to prevent the foam containing the material from entering the filter baffles in the water outlet cavity.
Optionally, a switch valve is arranged on the material recovery channel.
Optionally, the separation and recovery device further comprises a water storage tank, the water outlet channel is connected between the upper tank body and the water storage tank, the water storage tank is communicated with a water return channel, and the water return channel is located below the water storage tank to guide out and utilize water in the water storage tank.
Optionally, the water storage tank is further communicated with a drainage channel, and the drainage channel is located above the water storage tank to drain water to the outside after the water storage tank is full.
Optionally, a water pump and a flow control valve are arranged on the water return channel, and the flow control valve is arranged between the water pump and the water storage tank.
Optionally, the recovery device further comprises a supporting device for supporting and fixing the separation tank, and the supporting device is four supporting rods respectively supported at the upper part of the bottom of the lower conical tank.
Through above-mentioned technical scheme, through the separation recovery unit who is used for thickener overflow water that this disclosed embodiment provided promptly, can separate and retrieve the material in the overflow water, thereby effectively reduce the loss of material, can also be through throwing into production technology with the material of retrieving again, in order to further improve the productivity effect, for example when the thickener is used for the concentrated sizing mixing of gold concentrate, the aquatic will be mingled with the gold-bearing material, separation and the recovery through separation recovery unit, alright in order to realize the reutilization of gold-bearing material, reduce the loss of noble metal. And after the separated overflow water is put into the production process again, the fluctuation of the production flow can not be caused, and the stability of the production process can be ensured.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic view of an assembly structure of a thickener and a separation and recovery device for overflow water of the thickener provided according to an embodiment of the disclosure;
fig. 2 is a top view of a solid-liquid separation tank of a separation and recovery device for thickener overflow water provided according to an embodiment of the disclosure.
Description of the reference numerals
1-a thickener; 11-an overflow trough; 21-a water inlet channel; 22-a solid-liquid separation tank; 221-feeding the pond body; 222-lower conical tank bottom; 223-a water inlet cavity; 224-a water outlet cavity; 23-a material recovery channel; 231-a switching valve; 24-a water outlet channel; 25-a baffle plate; 26-a filter plate; 261-plate body; 262-a filtering baffle; 263-filtering holes; 27-a support bar; 3-a pulp stirring tank; 31-a feed pump; 4, a water storage tank; 41-a water pump; 42-a drainage channel; 43-a water return channel; 44-flow control valve.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise stated, the use of directional words such as "up and down" is generally defined in the direction of gravity under normal use conditions of the thickener provided according to the present disclosure; "inner and outer" are inner and outer relative to the contour of the corresponding component itself. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.
According to the specific implementation manner provided by the embodiment of the present disclosure, a separation and recovery device for overflow water of a thickener is provided, one of the specific implementation manners is shown in fig. 1 and 2, referring to fig. 1, the thickener 1 comprises an overflow trough 11 for discharging overflow water, and the separation and recovery device comprises: the solid-liquid separation tank 22, the solid-liquid separation tank 22 is constructed as a conical sedimentation tank and is provided with an upper tank body 221 and a lower conical tank bottom 222, and the cross-sectional area of the lower conical tank bottom 222 is gradually reduced from top to bottom; a water inlet channel 21 connected between the overflow trough 11 and the upper part of the upper tank body 221; a water outlet channel 24, wherein the water outlet channel 24 is connected above the upper tank body 221; and a material recovery channel 23, wherein the material recovery channel 23 is connected with the opening of the lower conical tank bottom 222 so as to recover the material separated by sedimentation to the ore pulp stirring tank 3.
Specifically, the separation recovery unit for thickener overflow water that this disclosed embodiment provided has following theory of operation:
firstly, overflow water overflowing from the overflow tank 11 enters the solid-liquid separation tank 22 from top to bottom through the water inlet channel 21, solid materials are settled to the bottom 222 of the lower conical tank under the action of gravity, are recovered to the ore pulp stirring tank 3 through the material recovery channel 23, and are further transmitted to ceramic for dehydration operation through the ceramic ore feeding pump 31, so that the solid materials are recovered and reused, meanwhile, clear water above the solid-liquid separation tank 22 is discharged out of the solid-liquid separation tank 22 through the water outlet channel 24, and finally, the overflow water is subjected to solid-liquid separation, and the solid materials are recovered, so that the solid materials are reused.
Therefore, through above-mentioned technical scheme, through the separation recovery unit who is used for thickener overflow water that this disclosed embodiment provided promptly, can separate and retrieve the material in the overflow water to effectively reduce the loss of material, can also be through throwing into production technology with the material of retrieving again, in order to further improve productivity effect, for example when the thickener is used for the concentrated sizing mixing of gold concentrate, will mix with the gold-containing material in the overflow water, through separation and the recovery of separation recovery unit, alright realize the reutilization of gold-containing material, reduce the loss of noble metal. And after the separated overflow water is put into the production process again, the fluctuation of the production flow can not be caused, and the stability of the production process can be ensured. Alternatively, the solid-liquid separation tank 22 may be configured in any form to realize separation and recovery of overflow water according to the specific implementation provided by the embodiment of the present disclosure.
In addition, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1 and fig. 2, since the water inlet channel 21 and the water outlet channel 24 are both disposed above the upper tank body 221, when the overflow water enters the solid-liquid separation tank 22 through the water inlet channel 21, splashing occurs, so that a part of the overflow water splashes out of the solid-liquid separation tank 22 through the water outlet channel 24, and thus the baffle 25 is disposed inside the upper tank body 221 of the solid-liquid separation tank 22, and the water inlet channel 21 and the baffle 25 are disposed opposite to each other, so that the splashed overflow water can be effectively blocked, thereby avoiding the loss of the overflow water and further improving the recovery efficiency. Further, in the specific embodiment provided by the present disclosure, since the height of the baffle 25 is too low, the using effect of the baffle 25 is reduced, and the blocking effect cannot be effectively provided; the direction of the water flow entering the solid-liquid separation tank 22 is affected by too high, so the height ratio between the height of the baffle 25 and the upper tank body 221 can be designed to be 2: 5-3: 5, specifically, as an embodiment, the height of the baffle 25 can be 1/2 of the height of the upper tank body 221, so as to prevent the overflow water from splashing and not affect the direction of the water flow entering the solid-liquid separation tank 22. It should be noted that the height of the baffle 25 is not limited by the present disclosure, and those skilled in the art can design the baffle specifically according to the content and practical situation provided by the present disclosure.
In addition, according to the specific implementation manner provided by the embodiment of the present disclosure, because the existence of the baffle 25 may affect the trend of the overflow water entering the solid-liquid separation tank 22, when the distance between the baffle 25 and the water inlet channel 21 is too close, the overflow water entering the solid-liquid separation tank 22 is blocked, and the overflow water entering the solid-liquid separation tank 22 is affected; the pressure between the baffle 25 and the water outlet channel 24 is increased too far, the separated water flow is influenced to flow out through the water outlet channel 24, therefore, the ratio of the distance between the baffle 25 and the water inlet channel 21 to the distance between the water inlet channel 21 and the water outlet channel 24 is designed to be 1: 4-1: 3, specifically, the ratio can be 4:15, the pressure values between the baffle 25 and the water inlet channel 21 and between the baffle 25 and the water outlet channel 24 are effectively balanced, and the smoothness of water inlet and outlet is ensured.
Alternatively, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1 and fig. 2, the separation and recovery apparatus further includes a filter plate 26, the filter plate 26 is connected to a baffle 25 to be configured as an L-shaped partition, the L-shaped partition divides the upper tank body 221 into an inlet cavity 223 and an outlet cavity 224, the inlet channel 21 is communicated with the inlet cavity 223, the outlet channel 24 is communicated with the outlet cavity 224, and the filter plate 26 is provided with a plurality of filtering holes 263, wherein the filter plate 26 is connected to two side walls of the upper tank body 221, and the baffle 25 is connected to both the top wall and two side walls of the upper tank body 221, so that the outlet cavity 224 is configured as a closed chamber. Like this, the overflow water takes place the natural sedimentation after intake antrum 223 through inhalant canal 21, after the natural sedimentation, the overflow water forms the three-layer in solid-liquid separation pond 22, is located the settlement zone of lower floor promptly, is located the clarification district on upper strata and is located the transition zone between settlement zone and the clarification district, and the border between the rivers of transition zone and the clarification district is obvious inadequately, and consequently, the filter 26 can filter the material of partial transition zone to effectively improve separation recovery unit's separation recovery effect. The clarified water in the upper layer can enter the water outlet chamber 224 through the filter holes 263 of the filter plate 26, and is discharged from the solid-liquid separation tank 22 through the water outlet passage 24.
Further, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1 and fig. 2, the filter plate 26 includes a plate body 261 arranged in parallel with the water outlet channel 24 and a plurality of filtering baffles 262 arranged in a crossing manner with the plate body 261, a plurality of filtering holes 263 uniformly spaced are formed in the plate body 261 between two adjacent filtering baffles 262, wherein the plurality of filtering baffles 262 are uniformly spaced and obliquely arranged in a crossing manner with the plate body 261 to block the foam containing the material from entering the water outlet cavity 224. Specifically, through the inclined cross arrangement of the filtering baffle 262 and the plate body 261, on one hand, the part of the filtering baffle 262 below the plate body can block the foam containing the material from entering from the filtering holes 263, and on the other hand, the part of the filtering baffle 262 above the plate body 261 can perform secondary blocking on the foam containing the material, so as to prevent the foam from entering the water outlet cavity 224, and the arrangement of the filtering baffle 262 simultaneously can also reduce the speed of water entering the water outlet cavity 224, thereby increasing the settling time and further enhancing the separation and recovery effect. The specific number of the filtering baffle 262 and the filtering holes 263 is not particularly limited in the present disclosure, and may be set by those skilled in the art according to practical circumstances.
According to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1, since the precipitation is a long-term and slow process, the long-term opening of the material recycling channel 23 may discharge overflow water that has not settled completely through the material recycling device, and therefore the material recycling channel 23 is provided with the switch valve 231, and the switch valve 231 is used for switching on and off the material recycling channel 23. Specifically, the valve body is normally closed, and when a settling zone is formed in overflow water entering the solid-liquid separation tank 22, the on-off valve 231 located on the material recovery channel 23 is opened to discharge settled materials.
According to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1, the separation and recovery device further includes a water storage tank 4, and the water outlet channel 24 may be connected between the upper tank 221 and the water storage tank 4 in any form, as an embodiment, the water storage tank 4 of the separation and recovery device for overflow water of a thickener provided by the present disclosure is connected with a water inlet pipe, and the water outlet channel 24 is connected with the water inlet pipe to transmit water flow from the solid-liquid separation device 22 to the water storage tank 4. The present disclosure is not limited to the connection between the outlet channel 24 and the inlet pipe, for example, in some embodiments, the outlet channel 24 and the inlet pipe are connected by a flange. Furthermore, the water storage tank 4 is communicated with a water return channel 43, and the water return channel 43 is positioned below the water storage tank 4 to guide the water in the water storage tank 4 out for use. In this way, the separated water can be recycled and put into a production process, for example, in the concentration and size mixing of gold concentrate, the separated water can provide additional water for a flotation process (a process of sorting mineral particles by utilizing the difference of physicochemical properties of the surfaces of minerals), and the utilization rate of overflow water is further increased.
In addition, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1, the water storage tank 4 is further communicated with a water drainage channel 42, and the water drainage channel 42 is located above the water storage tank 4 to drain water to the outside after the water storage tank 4 is full. That is, the water in the water storage tank 4 is firstly supplied according to the requirements of the production process, and when the water level in the water storage tank 4 reaches or exceeds the height of the drainage channel 42, the excess water can be discharged out of the water storage tank 4 through the drainage channel 42, so that the water storage tank can be continuously stored, and the water can be timely supplemented for the production process.
In addition, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1, a water pump 41 and a flow control valve 44 are disposed on the water return channel 43, and the flow control valve 44 is disposed between the water pump 41 and the water storage tank 4. Specifically, on the one hand, the water pump 41 provides the conveying power for the water of the water storage tank 4 to convey the water in the water storage tank 4 to the flotation process; on the other hand, when the separated water is supplied to the production process as the supplementary water, the water pump is in a normally closed state because the separated water is supplied to the production process in a form of the supplementary water, and when the production process has a demand, the water pump is opened, and the flow control valve is adjusted according to the working condition of the production process, so that the flow rate of the water is adjusted. Based on this, the skilled person can choose whether the flow control valve 44 needs to be set according to the actual situation.
Alternatively, according to the specific implementation manner provided by the embodiment of the present disclosure, referring to fig. 1, the recycling device further includes a supporting device for supporting and fixing the solid-liquid separation tank 22, the supporting device is four supporting rods 28 respectively supported at the upper part of the bottom of the lower conical tank, so as to raise the solid-liquid separation tank 22, so that the material recycling channel 23 can be connected to the solid-liquid separation tank 22, and the connecting end of the material recycling channel 23 and the solid-liquid separation tank 22 is higher than the connecting end of the material recycling channel 23 and the slurry stirring tank 3, so that the material entering the material recycling channel 23 can enter the slurry stirring tank 3 through the action of gravity.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A separation and recovery device for overflow water of a thickener, which thickener (1) comprises an overflow launder (11) for discharging overflow water, characterized in that the separation and recovery device comprises:
a solid-liquid separation tank (22), wherein the solid-liquid separation tank (22) is constructed as a conical sedimentation tank and is provided with an upper tank body (221) and a lower conical tank bottom (222), and the cross-sectional area of the lower conical tank bottom (222) is gradually reduced from top to bottom;
the water inlet channel (21) is connected between the overflow trough (11) and the upper part of the upper tank body (221);
the water outlet channel (24), the water outlet channel (24) is connected above the upper tank body (221); and
a material recovery channel (23), wherein the material recovery channel (23) is connected with the opening of the lower conical tank bottom (222) so as to recover the material separated by sedimentation to the ore pulp stirring tank (3).
2. The separation and recovery device for the overflow water of the thickener according to claim 1, wherein a baffle (25) is arranged inside the upper tank body (221), the water inlet channel (21) is arranged opposite to the baffle (25), and the height ratio between the baffle (25) and the upper tank body (221) is 2: 5-3: 5.
3. The separation and recovery device for the overflow water of the thickener according to the claim 2, characterized in that the ratio of the distance between the baffle (25) and the water inlet channel to the distance between the water inlet channel (21) and the water outlet channel (24) is 1: 4-1: 3.
4. The separation and recovery device for the overflow water of the thickener according to the claim 2, characterized in that the separation and recovery device further comprises a filter plate (26), the filter plate (26) is connected with the baffle plate (25) to be constructed as an L-shaped partition plate, the L-shaped partition plate divides the upper tank body (221) into an inlet cavity (223) and an outlet cavity (224), the inlet channel (21) is communicated with the inlet cavity (223), the outlet channel (24) is communicated with the outlet cavity (224), and the filter plate (26) is provided with a plurality of filtering holes (263).
5. The separation and recovery device for the overflow water of the thickener according to claim 4, wherein the filter plate (26) comprises a plate body (261) arranged in parallel with the water outlet channel (24) and a plurality of filtering baffles (262) arranged in a crossing way with the plate body (261), a plurality of filtering holes (263) with uniform intervals are arranged on the plate body (261) between two adjacent filtering baffles (262), wherein the plurality of filtering baffles (262) are arranged in a uniform interval and are obliquely arranged in a crossing way with the plate body (261) so as to prevent the foam containing the material from entering the water outlet cavity (224).
6. The separation and recovery device for overflow water of a thickener according to claim 1, characterized in that the material recovery channel (23) is provided with a switch valve (231).
7. The separation and recovery device for the overflow water of the thickener according to any one of claims 1 to 6, characterized in that the separation and recovery device further comprises a water storage tank (4), the water outlet channel (24) is connected between the upper tank body (221) and the water storage tank (4), a water return channel (43) is communicated with the water storage tank (4), and the water return channel (43) is located below the water storage tank (4) to guide the water in the water storage tank (4) out for use.
8. The separation and recovery device for the overflow water of the thickener according to the claim 7, characterized in that the water storage tank (4) is further communicated with a drainage channel (42), the drainage channel (42) is positioned above the water storage tank (4) to discharge the water to the outside after the water storage tank (4) is full.
9. The separation and recovery device for the overflow water of the thickener according to the claim 7 is characterized in that the water return channel (43) is provided with a water pump (41) and a flow control valve (44), and the flow control valve (44) is arranged between the water pump (41) and the water storage tank (4).
10. The separation and recovery device for the overflow water of the thickener according to the claim 1, which is characterized in that the recovery device also comprises a supporting device for supporting and fixing the solid-liquid separation tank (22), and the supporting device is four supporting rods (27) which are respectively supported at the upper part of the bottom of the lower conical tank.
CN201922420665.9U 2019-12-27 2019-12-27 Separation and recovery device for overflow water of thickener Active CN211611738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922420665.9U CN211611738U (en) 2019-12-27 2019-12-27 Separation and recovery device for overflow water of thickener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922420665.9U CN211611738U (en) 2019-12-27 2019-12-27 Separation and recovery device for overflow water of thickener

Publications (1)

Publication Number Publication Date
CN211611738U true CN211611738U (en) 2020-10-02

Family

ID=72633299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922420665.9U Active CN211611738U (en) 2019-12-27 2019-12-27 Separation and recovery device for overflow water of thickener

Country Status (1)

Country Link
CN (1) CN211611738U (en)

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