CN213760887U - Filter pressing system for controlling addition amount of flocculating material - Google Patents
Filter pressing system for controlling addition amount of flocculating material Download PDFInfo
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- CN213760887U CN213760887U CN202022456686.9U CN202022456686U CN213760887U CN 213760887 U CN213760887 U CN 213760887U CN 202022456686 U CN202022456686 U CN 202022456686U CN 213760887 U CN213760887 U CN 213760887U
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Abstract
The utility model discloses a filter-pressing system of control flocculation material addition, include: a filtrate tank; the input end of the underflow pump pipe is communicated with the concentration tank, and the output end of the underflow pump pipe is positioned above and communicated with the filtrate tank; the material storage tank is vertically arranged above the filtrate tank through a support, the upper end of the material storage tank is provided with a feed inlet, the lower end of the material storage tank is provided with a discharge outlet, and the material storage tank is positioned on one side of the output end of the underflow pump pipe and is arranged in parallel with the output end of the underflow pump pipe; the stirring device is positioned inside the material storage tank, and the bottom end of the stirring device and the discharge port are positioned on the same horizontal plane; the driving motor is connected with the stirring device through a synchronous belt and drives the stirring device to work; and the frequency converter is electrically connected with the driving motor. The utility model discloses can change according to mud nature and stratum, adjust converter control agitating unit's slew velocity to the addition of control flocculation material improves the utilization ratio of flocculation material.
Description
Technical Field
The utility model relates to an underground works field. More specifically, the utility model relates to a filter-pressing system of control flocculation material addition.
Background
In the slurry shield construction process, the stratum has high content of sticky particles, so that slurry is sticky, the specific gravity of the slurry rises rapidly, more waste slurry is generated, and in order to control slurry indexes, the slurry with unqualified quality needs to be pumped out and then is treated by a filter pressing system.
In order to improve the work efficiency of filter pressing system, add flocculation material such as lime in general toward the filtrate pond, the mode of addition of present flocculation material is mainly placed on the screen cloth through the manual work, wash the back through mud and mix, or directly spill in the filtrate pond, stir through the agitating unit of filtrate pond bottom, but because filtrate pond mud proportion is too high, mud and flocculation material in the filtrate pond can't be by intensive mixing, place the flocculation material on the screen cloth through the manual work and can lead to flocculation material uneven distribution, in order to carry and press filtration efficiency, often use excessive flocculation material, thereby cause the flocculation material low-usage, engineering cost increases.
SUMMERY OF THE UTILITY MODEL
The utility model discloses still another purpose provides a filter-pressing system of control flocculation material addition, according to mud nature and stratum change, adjusts converter control agitating unit's slew velocity to control flocculation material's addition, improve flocculation material's utilization ratio, reduce engineering cost.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a filter press system for controlling an addition amount of a flocculation material, comprising:
a filtrate tank;
the input end of the underflow pump pipe is communicated with the concentration tank, and the output end of the underflow pump pipe is positioned above and communicated with the filtrate tank;
the material storage tank is vertically arranged above the filtrate tank through a support, the support is fixed on the inner side wall of the filtrate tank, the upper end of the material storage tank is provided with a feeding port, the lower end of the material storage tank is provided with a discharge port, and the material storage tank is positioned on one side of the output end of the underflow pump pipe and is arranged in parallel with the output end of the underflow pump pipe;
the stirring device is positioned inside the material storage tank, and the bottom end of the stirring device and the discharge port are positioned on the same horizontal plane;
the driving motor is fixed on the bracket and is connected with the top end of the stirring device through a synchronous belt, one end of the synchronous belt is rotationally connected with a driving shaft of the driving motor, and the other end of the synchronous belt is rotationally connected with the stirring device;
and the frequency converter is positioned outside the material storage tank and is electrically connected with the driving motor.
Preferably, the method further comprises the following steps:
the air storage tank is arranged on the ground, and one side of the air storage tank is provided with an air outlet;
the trachea, its one end with the gas outlet of gas holder is connected, and the other end extends to the below of discharge gate, the trachea is located the storage tank is kept away from one side of underflow pump line, just tracheal the direction of giving vent to anger with the ejection of compact direction of storage tank is located same vertical plane and mutually perpendicular.
Preferably, the bottom of the gas storage tank is fixedly provided with a bearing plate, the bottom of the bearing plate is provided with two rolling grooves which are oppositely arranged on two sides of the bearing plate in the length direction, the lower part of any rolling groove is provided with a roller, and the roller is in rolling connection with the rolling grooves.
Preferably, the output end of the underflow pump pipe is in the shape of an inverted triangular cone, and a plurality of slurry outlets are arranged on one side of the underflow pump pipe close to the discharge port at intervals.
Preferably, the discharge port is located above the bottom of the output end of the underflow pump pipe and below the top of the output end of the underflow pump pipe.
Preferably, the stirring device includes:
the upper end surface of the stirring shaft is rotationally connected with the synchronous belt, and the lower end surface of the stirring shaft is fixedly connected with the discharge hole;
the blades are fixed on the outer side wall of the stirring shaft and are spirally and continuously arranged downwards along the circumferential direction of the stirring shaft, and the height of the blades is equal to that of the stirring shaft.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses can change according to mud nature and stratum, adjust converter control agitating unit's slew velocity to the addition of control flocculation material improves the utilization ratio of flocculation material.
2. The utility model discloses can mark the gear of gas holder blast air according to the addition of flocculation material, with flocculation material and mud intensive mixing, improve filter-pressing efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a vertical structure of a filter pressing system for controlling the addition of a flocculating material according to an embodiment of the present invention;
the specification reference numbers indicate:
1. the device comprises a storage tank, 11, a feed inlet, 12, a discharge outlet, 2, a filtrate tank, 21, an underflow pump pipe, 22, a pulp outlet, 3, a stirring device, 31, a stirring shaft, 32, blades, 4, a driving motor, 5, a frequency converter, 6, a gas storage tank, 61, a gas pipe, 62, a bearing plate, 63, a roller, 7 and a synchronous belt.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the utility model provides a control filter-pressing system of flocculation material addition, include:
a filtrate tank 2;
an underflow pump pipe 21, the input end of which is communicated with the concentration tank, and the output end of which is positioned above and communicated with the filtrate tank 2;
the material storage tank 1 is vertically arranged above the filtrate tank 2 through a support, the support is fixed on the inner side wall of the filtrate tank, the upper end of the material storage tank is provided with a feeding port 11, the lower end of the material storage tank is provided with a discharge port 12, and the material storage tank is positioned on one side of the output end of the underflow pump pipe and is arranged in parallel with the output end of the underflow pump pipe;
the stirring device 3 is positioned inside the material storage tank 1, and the bottom end of the stirring device and the discharge port are positioned on the same horizontal plane;
the driving motor 4 is fixed on the bracket and is connected with the top end of the stirring device 3 through a synchronous belt 7, one end of the synchronous belt is rotationally connected with a driving shaft of the driving motor, and the other end of the synchronous belt is rotationally connected with the stirring device;
and the frequency converter 5 is positioned outside the material storage tank 1 and is electrically connected with the driving motor 4.
In the technical scheme, in the process of shield construction, soil cut by a shield is conveyed to the ground through mud circulation, then screening is carried out, screened mud enters a concentration tank for continuous use, in order to control indexes of the mud, the mud with unqualified quality in the concentration tank is required to be pumped out and mixed with flocculation materials in a filtrate tank for filter pressing, namely, an underflow pump pipe is arranged at the bottom of the concentration tank, the mud with unqualified quality in the concentration tank is pumped out by the input end of the underflow pump pipe and enters the filtrate tank through the output end of the underflow pump pipe, a bracket is arranged on the side wall of the filtrate tank, a storage tank is fixed on the bracket, workers fill the flocculation materials into the storage tank through a feeding port of the storage tank above the filtrate tank, after the mud in the underflow pump pipe is pumped out, a driving motor starts to work to drive a synchronous belt to rotate, the synchronous belt drives a stirring device to rotate to convey the flocculation materials to a discharge port of the storage tank, the flocculating material is mixed with the slurry in the filtrate tank, the discharge port of the storage tank is positioned on one side of the output end of the underflow pump pipe, the flocculating material can be rapidly dispersed by the slurry output by the output end of the underflow pump pipe when falling into the filtrate tank, the contact area of the slurry and the flocculating material is further increased, and the frequency of a frequency converter can be adjusted according to the slurry property and the stratum change in the process of conveying the flocculating material by the stirring device, so that the rotating speed of a driving motor driving a synchronous belt is controlled, the speed of the stirring device for conveying the flocculating material is controlled by the synchronous belt, the purpose of controlling the addition amount of the flocculating material according to the slurry property and the stratum change is achieved, the utilization rate of the flocculating material is improved, and the engineering cost is reduced.
In another technical solution, the method further comprises:
the air storage tank 6 is arranged on the ground, and an air outlet is formed in one side of the air storage tank;
In the technical scheme, before the air storage tank starts to work, the gear of blast air corresponding to the air storage tank can be calibrated through the raw material property and the addition amount of a flocculation material, when the output end of an underflow pump pipe has slurry output and the discharge hole of a storage tank has the flocculation material output, the air storage tank starts to work, the gear of the air storage tank can be timely adjusted by the air storage tank according to the actual situation on site in the working process, the flocculation material and the slurry are firstly mixed by an air pipe under the discharge hole of the air storage tank under the pushing of air discharged by the air storage tank and then enter a filtrate tank to be secondarily mixed, the air pipe needs to be always positioned at one side of the storage tank far away from the underflow pump pipe in the air blowing process, the air outlet direction of the air pipe and the discharge direction of the storage tank are positioned on the same vertical plane and are mutually vertical, and therefore the flocculation material can be completely contacted with the slurry in the air blowing process, the flocculation material and the slurry can be fully contacted and mixed, and the filter pressing efficiency of the flocculation material and the slurry is improved.
In another technical scheme, a bearing plate 62 is fixedly arranged at the bottom of the gas storage tank 6, two rolling grooves are formed in the bottom of the bearing plate and are oppositely arranged on two sides of the bearing plate in the length direction, and a roller 63 is arranged at the lower part of any one rolling groove and is in rolling connection with the rolling groove.
In this technical scheme, the gas holder has certain weight, and after the construction was accomplished, the gas holder need transport to corresponding place, and the design of gas holder bottom gyro wheel can make things convenient for the staff to carry out short distance removal gas holder, alleviates staff's burden.
In another technical scheme, the output end of the underflow pump pipe is in the shape of an inverted triangular cone, and a plurality of slurry outlets 22 are arranged on one side of the underflow pump pipe close to the discharge hole at intervals.
In the technical scheme, the slurry output by the underflow pump pipe has high concentration and high flow rate, the inverted triangular cone design of the output end enables the underflow pump pipe to shunt the slurry with high flow rate through the slurry outlet when outputting the slurry, and when the air storage tank blows the flocculating material to be in contact with the slurry, the flocculating material is not only in contact with the slurry close to the discharge port, but also in full contact with the slurry far away from the discharge port, so that the contact surface of the flocculating material and the slurry is further increased, and the filter pressing efficiency of the flocculating material and the slurry is improved.
In another technical solution, the discharge port is located higher than the bottom of the output end of the underflow pump pipe and lower than the top of the output end of the underflow pump pipe.
In the technical scheme, the position of the discharge port of the storage tank is higher than the bottom of the output end of the underflow pump pipe and lower than the top of the output end of the underflow pump pipe, so that when a worker sees that slurry is output from the underflow pump pipe, the worker can start the driving motor to drive the stirring device to work, no waiting time is needed in the middle, and all the flocculating materials in the storage tank can fall into the slurry on one side in the blowing process of the air storage tank and are contacted and mixed with the slurry constantly, so that the utilization rate of the flocculating materials is improved, and the engineering cost is reduced.
In another aspect, the stirring device includes:
the upper end face of the stirring shaft 31 is rotationally connected with the synchronous belt, and the lower end face of the stirring shaft is connected with the discharge hole;
and the blades 32 are fixed on the outer side wall of the stirring shaft and are spirally and continuously arranged downwards along the circumferential direction of the stirring shaft, and the height of each blade is equal to that of the stirring shaft.
In this technical scheme, driving motor when beginning work, it rotates to drive the hold-in range, the hold-in range drives the (mixing) shaft and rotates, the (mixing) shaft drives the blade and rotates, the rotational speed of blade is just driven to steerable axle to control driving motor pivoted speed, thereby control flocculation material's output quantity, and at driving motor drive agitating unit pivoted in-process, the blade can make flocculation material become the state of scattering when carrying to the discharge gate, can be better under the effect of gas holder blast with mud misce bene, improve filter-pressing efficiency when not extravagant flocculation material.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. A filter-pressing system of control flocculation material addition, its characterized in that includes:
a filtrate tank;
the input end of the underflow pump pipe is communicated with the concentration tank, and the output end of the underflow pump pipe is positioned above and communicated with the filtrate tank;
the material storage tank is vertically arranged above the filtrate tank through a support, the support is fixed on the inner side wall of the filtrate tank, the upper end of the material storage tank is provided with a feeding port, the lower end of the material storage tank is provided with a discharge port, and the material storage tank is positioned on one side of the output end of the underflow pump pipe and is arranged in parallel with the output end of the underflow pump pipe;
the stirring device is positioned inside the material storage tank, and the bottom end of the stirring device and the discharge port are positioned on the same horizontal plane;
the driving motor is fixed on the bracket and is connected with the top end of the stirring device through a synchronous belt, one end of the synchronous belt is rotationally connected with a driving shaft of the driving motor, and the other end of the synchronous belt is rotationally connected with the stirring device;
and the frequency converter is positioned outside the material storage tank and is electrically connected with the driving motor.
2. A pressure filtration system to control addition of flocculation material as defined in claim 1, further comprising:
the air storage tank is arranged on the ground, and one side of the air storage tank is provided with an air outlet;
the trachea, its one end with the gas outlet of gas holder is connected, and the other end extends to the below of discharge gate, the trachea is located the storage tank is kept away from one side of underflow pump line, just tracheal the direction of giving vent to anger with the ejection of compact direction of storage tank is located same vertical plane and mutually perpendicular.
3. A filter pressing system for controlling the addition of flocculation materials as defined in claim 2, wherein a bearing plate is fixedly arranged at the bottom of the gas storage tank, two rolling grooves are arranged at the bottom of the bearing plate, the two rolling grooves are oppositely arranged at two sides of the bearing plate in the length direction, a roller is arranged at the lower part of any one rolling groove, and the roller is in rolling connection with the rolling groove.
4. A filter pressing system for controlling the addition of flocculating material according to claim 1 wherein the output end of the underflow pump pipe is in the shape of an inverted triangular cone and a plurality of slurry outlets are provided at intervals on one side of the underflow pump pipe close to the discharge port.
5. A filter press system for controlling the addition of a flocculating material according to claim 4 where the discharge port is located higher than the bottom of the output end of the underflow pump pipe and lower than the top of the output end of the underflow pump pipe.
6. A pressure filtration system to control addition of a flocculation material as defined in claim 1, wherein said agitation device comprises:
the upper end surface of the stirring shaft is rotationally connected with the synchronous belt, and the lower end surface of the stirring shaft is connected with the discharge hole;
the blades are fixed on the outer side wall of the stirring shaft and are spirally and continuously arranged downwards along the circumferential direction of the stirring shaft, and the height of the blades is equal to that of the stirring shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456686.9U CN213760887U (en) | 2020-10-28 | 2020-10-28 | Filter pressing system for controlling addition amount of flocculating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456686.9U CN213760887U (en) | 2020-10-28 | 2020-10-28 | Filter pressing system for controlling addition amount of flocculating material |
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| Publication Number | Publication Date |
|---|---|
| CN213760887U true CN213760887U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022456686.9U Active CN213760887U (en) | 2020-10-28 | 2020-10-28 | Filter pressing system for controlling addition amount of flocculating material |
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| CN (1) | CN213760887U (en) |
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- 2020-10-28 CN CN202022456686.9U patent/CN213760887U/en active Active
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Inventor after: Zheng Ping Inventor after: Luo Liping Inventor after: Guo Zhifeng Inventor after: He Xiong Inventor after: Zhang Chengguo Inventor after: Gao Ruchao Inventor after: Xiong Dongdong Inventor after: Liu Dongjun Inventor after: Yang Zhiyong Inventor after: Liu Jie Inventor after: Zhong Han Inventor after: Chen Peishuai Inventor after: He Zhengxin Inventor after: Song Baojin Inventor after: Shen Kan Inventor after: Li Ziyang Inventor after: Yao Menghao Inventor after: Zhou Bo Inventor after: Wang Wei Inventor after: He Chuangbo Inventor after: Xu Chao Inventor after: Yang Qing Inventor after: Liu Wen Inventor after: Xu Wei Inventor after: Zhang Zhao Inventor after: Li Xihong Inventor before: Chen Peishuai Inventor before: Guo Zhifeng Inventor before: He Xiong Inventor before: Zhang Chengguo Inventor before: Gao Ruchao Inventor before: Xiong Dongdong Inventor before: Liu Dongjun Inventor before: Yang Zhiyong Inventor before: Liu Jie Inventor before: Zhong Han Inventor before: He Zhengxin Inventor before: He Chuangbo Inventor before: Song Baojin Inventor before: Shen Kan Inventor before: Li Ziyang Inventor before: Yao Menghao Inventor before: Zhou Bo Inventor before: Wang Wei Inventor before: Xu Chao Inventor before: Yang Qing Inventor before: Liu Wen Inventor before: Xu Wei Inventor before: Zhang Zhao Inventor before: Li Xihong Inventor before: Luo Liping |