TWI419729B - Control method for sewage separation equipment - Google Patents

Description

Control method for sewage separation equipment

The invention provides a control method for a sewage separation device, which is related to a centrifugal device.

Centrifugal device, a common centrifugal device has a dehydrator or a deoiler on the market, and the water or oil contained in the article is separated by the centrifugal force generated by the rotation of the device, and such a device is also used to separate the liquid containing the solid. For example, sewage mixed with sludge sand, similarly, the solid-liquid separation of the solid-containing liquid by the centrifugal force generated by the rotation of the device.

There is a vertical solid liquid separation device on the market, such as the patent of the Republic of China Patent No. 495365 and the sewage separator patent application filed by the inventor, which is an internal cylinder in an external cylinder, and the internal cylinder A spiral blade portion is further disposed around the outer periphery, and liquid containing solids can be input into the device, the outer cylinder and the inner cylinder rotate in the same direction with a speed difference, and the solid is separated from the liquid, and the solid is under the device. Discharge, the liquid is discharged by a small gap between the inner wall of the outer cylinder and the spiral blade portion; Although the above device can produce the effect of solid-liquid separation, since the cleaned liquid must be discharged upward from the gap between the inner wall of the outer cylinder and the spiral blade portion, the centrifugal force is generated by the device, and the solid is also affected by the centrifugal force.甩 甩 to the inner wall of the outer cylinder, so when the gap between the inner wall of the outer cylinder and the spiral blade portion is too large, the effect of solid-liquid separation will be affected, and too small will affect the discharge of the cleaning liquid, and the separation efficiency In addition, both of the above devices have to rely on the user's experience, for the operation values of sewage adjustment devices with different solid-liquid ratios, even with the same value to treat sewage with different solid-liquid ratios, In this way, the best processing efficiency will not be achieved, and there is an urgent need for improvement; in view of this, the inventors have devoted themselves to research and further conceived, and after many trials and developments, finally invented a sewage separation device and a control method thereof. .

The invention provides a sewage separation device, which has a diversion hole at a blade portion of the inner pivoting unit near a center of the blade seat, and the velocity of the sewage separation is increased by the diversion hole, and the sensing is performed by an automatic control device. Sewage properties control the most appropriate operating values to provide optimum separation.

To achieve the foregoing objective, the present invention provides a sewage separation apparatus comprising: a casing, a power source; a controller electrically connected to the power source; and an external pivoting unit pivoted in the casing and The power source is connected, and the outer pivoting unit further comprises a sleeve, a connecting cover and a cover tube which are sequentially connected, and the sleeve of the outer pivoting unit and the cover tube communicate with each other, the connecting cover upper shaft Opening a through hole; an inner pivoting unit is pivotally disposed in the cover cylinder of the outer pivoting unit, the inner pivoting unit includes a guiding tube connected to a blade seat, and the guiding tube defines a guiding hole in the axial direction a plurality of flow passages are opened in the radial direction, the flow passages are in communication with each other, one end of the vane seat is connected to the draft tube, and a flow passage of the vane seat communicates with a guide hole of the draft tube, the vane Forming a blade portion on the outer circumference of the seat, the blade portion is spirally formed in the axial direction, and the blade portion has a gap between the blade portion and the cover portion, and a plurality of drainage holes are formed on the blade portion adjacent to the blade seat, and the drainage holes are respectively Interlaced in the axial direction; and a sensing unit electrically connected to the controller And the sensing unit includes a flow rate sensor, a specific gravity sensor, and a rotational speed sensor, wherein: the flow velocity sensor and the guide of the specific gravity sensor relative to the guide tube of the inner pivot unit a hole setting, the flow rate sensor sensing an incoming sewage flow rate, the specific gravity sensor sensing the specific gravity of the introduced sewage, and the controller controls the inner pivoting unit according to the specific gravity of the sewage sensed by the specific gravity sensor The rotational speed of the external pivoting unit, the lower the specific gravity of the sewage, the lower the rotational speed; conversely, the higher the specific gravity of the sewage, the higher the rotational speed; the rotational speed sensor is set relative to the outer pivoting unit and the inner pivoting unit The speed sensor senses the rotational speed of the inner pivoting unit and the outer pivoting unit, and the rotational speed value sensed by the rotational speed sensor is provided to the controller as a basis for controlling the rotational speed.

Another object of the present invention is to provide a method for controlling a sewage separation plant, comprising the steps of: introducing a liquid sewage mixed with solids into an internal pivoting unit of the sewage separation device, the internal pivot The rotating unit is pivotally disposed in an outer pivoting unit, and the inner pivoting unit includes a blade portion outer circumference spirally forming a blade portion, and the blade portion opens a plurality of guiding holes near the center of the blade seat, and the guiding flow The holes are staggered in the axial direction, and the inner pivoting unit and the outer pivoting unit are driven by a power source, and the power source is controlled by a controller; the sewage introduction flow rate control step is set relative to the inner pivoting unit A flow rate sensor senses the introduction speed of the sewage, and the controller controls the sewage introduction speed; the sewage specific gravity sensing step, when the sewage is introduced, a specific gravity sensor is disposed relative to the internal pivoting unit The specific gravity of the sewage; the speed control step, the controller controls the rotation speed of the inner pivoting unit and the outer pivoting unit according to the specific gravity of the sewage, and the lower the specific gravity of the sewage, the lower the rotational speed, and vice versa, when the specific gravity of the sewage is smaller Higher speed And the rotation speed of the inner pivoting unit is greater than the rotation speed of the outer pivoting unit by 20 rpm; the operation and separation step, the inner pivoting unit and the outer pivoting unit pivot and generate a separating action, and the clean water is removed from the inner pivot The guiding hole of the blade portion of the rotating unit is led upward, and the efficiency of separation and deduction is improved by the arrangement of the guiding hole; and the operation is stopped, the controller controls the power source to stop running, and the sewage treatment is completed.

By providing a flow guiding hole in the blade portion, the discharge rate of the liquid after separation is increased, the overall separation efficiency is improved, and the most appropriate operation value is controlled by automatic sensing, and the optimal separation effect can be provided.

In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: The preferred embodiment of the sewage separation device of the present invention is as follows: As shown in FIG. 5, a base frame 10 includes a casing 20 disposed on the base frame 10. The casing 20 is further provided with a power source 30. The power source 30 is provided by a first motor 31 and a second The motor 32 is configured such that a first active member 312 is fixed to the shaft 311 of the first motor 31, and a second active member 322 is fixed to the shaft 321 of the second motor 32. A controller 40 is disposed on the motor The base frame 10 is electrically connected to the power source 30; an outer pivoting unit 50 is pivotally disposed in the outer casing 20, and the outer pivoting unit 50 includes a sleeve 51 and a connecting cover 52 connected in sequence. And a sleeve 53, and the sleeve 51 of the outer pivot unit 50 and the cover cylinder 53 are in outward communication. A first passive member 511 is disposed outside the sleeve 51, and the first passive member 511 and the power source 30 are disposed. The second driving member 322 of the second motor 32 is connected by a first driving member 512. The connecting cover 52 is axially opened with a through hole 521. The inner pivoting unit 60 is disposed in the cover cylinder 53 of the outer pivot unit 50. The inner pivoting unit 60 includes a draft tube 61 connected to a blade seat 62. A guiding hole 611 is defined in the axial direction of the guiding tube 61, and a second passive member 612 is disposed outside the guiding tube 61. The second passive member 612 and the first active member 312 of the first motor 31 of the power source 30 are disposed. A plurality of flow passages 621 are opened in the radial direction, and the flow passages 621 are in communication with each other. One end of the blade holder 62 is connected to the guide tube 61, and the blade seat is connected to the guide tube 61. The flow path 621 of the conduit 62 is in communication with the guide hole 611 of the draft tube 61, and the blade holder 62 is further provided with a water channel 622 and a plurality of water outlets 623. The water channel 622 is axially opened at the lower end of the blade holder 62. One end of the water passage 623 is in communication with the water passage 622, and the other end is communicated outwardly from the side surface of the vane seat 62. The outer peripheral edge of the vane seat 62 is formed around a vane portion 63. The vane portion 63 is spirally formed in the axial direction, and the vane portion 63 is formed. A gap is formed between the cover cylinders 53 and a plurality of air guiding holes 631 are defined in the blade portion 63. The air guiding holes 631 are axially For the staggered arrangement, the flow guiding holes 631 are disposed adjacent to the blade holder 62; a sensing unit 70 is electrically connected to the controller 40, and the sensing unit 70 includes a flow velocity sensor 71, a specific gravity The sensor 72, a rotational speed sensor 73, an electrical sensor 74, and a temperature sensor 75, wherein: the flow sensor 71 and the specific gravity sensor 72 are opposite to the inner pivot unit 60 The flow guiding tube 71 is configured to sense the flow rate of the introduced sewage. The specific gravity sensor 72 senses the specific gravity of the introduced sewage. The controller 40 senses the specific gravity sensor 72. The sewage specific gravity controls the rotation speed of the inner pivoting unit 60 and the outer pivoting unit 50. When the specific gravity of the sewage is heavier, the rotation speed is lower; on the contrary, when the specific gravity of the sewage is lighter, the rotation speed is higher (as shown in the following table);

The rotation speed sensor 73 is disposed opposite to the outer pivot unit 50 and the inner pivot unit 60. The rotation speed sensor 73 senses the rotation speed of the inner pivot unit 60 and the outer pivot unit 50. The rotation speed sensor The sensed rotational speed value is provided to the controller 40 as a basis for controlling the rotational speed; the electrical sensor 74 is electrically connected to the power source 30, and the electrical sensor 74 senses the voltage and current of the power source 30, and Provided to the controller 40 as a basis for controlling electrical properties; the temperature sensor 75 is disposed relative to the power source 30, the temperature sensor 75 senses the mechanism temperature of the power source 30, when the temperature sensor 75 senses When the temperature of the power source 30 is overheated, the controller 40 forcibly stops the power source 30 from operating; a water supplier 80 is electrically connected to the controller 40, and one end of the water supplier 80 is pivoted to the water channel of the blade holder 62. In the 622, the water supplier 80 has a through hole 81 therein, and the through hole 81 communicates with the water channel 622.

The above is the structural relationship of the sewage separation device of the present invention. In use, the controller 40 controls the power source 30 to operate, and the axis 311 of the first motor 31 of the power source 30 passes through the first active member 312, The second driving member 613 and the second passive member 612 of the air guiding tube 61 of the inner pivoting unit 60 are pivoted together with the inner pivoting unit 60. The axis 321 of the second motor 32 is transmitted through the second driving member 322. The first passive member 511 of the sleeve 512 and the sleeve 51 of the outer pivot unit 50 interlocks with the outer pivot unit 50 to pivot; and the sewage is introduced by the guide hole 611 of the guide tube 61 of the inner pivot unit 60. At the same time of introduction, the specific gravity sensor 72 of the sensing unit 70 senses the specific gravity of the sewage, and the controller 40 controls the inner pivoting unit according to the specific gravity sensed by the specific gravity sensor 72. 60 and the rotation speed of the outer pivoting unit 50, when the inner pivoting unit 60 and the outer pivoting unit 50 start to pivot, the sewage will be subjected to the centrifugal force generated by the pivoting of the inner pivoting unit 60, and the blade The flow path 621 of the seat 62 flows out to the blade portion 63, and as the inner pivot unit 60 pivots and continuously introduces sewage, The heavier weight impurities in the water will continue to increase and fall down along the blade portion 63 under the squeezing, and the lighter weight water will flow outward by the centrifugal force generated by the pivoting of the inner pivoting unit 60. When the blade portion 63 contacts the cover cylinder 53, the water is guided by the taper of the cover cylinder 53, and the water flows upward along the cover cylinder 53 in the gap between the blade portion 63 and the cover cylinder 53, and the clean water flows. In addition to the flow between the blade portion 63 and the cover cylinder 53, since the flow guiding holes 631 are provided in the blade portion 63, the clean water can be further deflected by the blade portion 63. The hole 631 flows upward, and finally, the clean water is ejected upward from the perforation 521 of the connecting cover 52 of the outer pivoting unit 50, thereby separating the impurities and water of the sewage, and the diversion is further provided by the vane portion 63. Hole 631 accelerates the flow rate of clean water while improving the efficiency of solid-liquid separation.

When the power source 30 drives the outer pivoting unit 50 and the inner pivoting unit 60 to pivot, the outer pivoting unit 50 and the inner pivoting unit 60 are pivoted in the same direction to enhance impurities and water in the sewage. The separation effect is such that the pivoting speed of the inner pivoting unit 60 is higher than the pivoting speed of the outer pivoting unit 50, and the speed difference between the inner pivoting unit 60 and the outer pivoting unit 50 is 20 rpm. In the embodiment, the pivoting speed of the inner pivoting unit 60 is 1800 rpm to 3000 rpm, and the pivoting speed of the outer pivoting unit 50 is performed at a speed of 1780 rpm to 2980 rpm, so that the separation effect can be further improved, and the separated water can be obtained. The cleanliness is 90%, and the impurities after separation are dried to 60%.

After the solid and liquid of the introduced sewage have been separated, the clean water is introduced from the through hole 81 of the water supplier 80, and the clean water flows into the water channel 622 of the blade seat 62 of the inner pivot unit 60, and The water outlet 623 of the blade holder 62 flows outward to the blade portion 63, and the blade portion 63 of the inner pivot unit 60 and the cover cylinder 53 of the outer pivot unit 50 can be cleaned with clean water, and separated in the sewage. During the process, clean water is introduced from the through hole 81 of the water supplier 80, and the impurities separated in the sewage can be cleaned, thereby completing the solid-liquid separation of the sewage and simultaneously cleaning the device.

In addition, the structural configuration of the sewage separation apparatus of the present invention can also be as shown in FIG. 6, which is to change the position of the arrangement relationship of the first motor 31 of the power source 30, thereby reducing the height of the entire set of equipment, and providing Used by users with different space requirements.

The control method of the sewage separation device is as shown in FIG. 7 and includes the following steps: sewage introduction step A, introducing liquid sewage mixed with solids into the inner pivot unit 60 of the sewage separation device, The inner pivoting unit 60 is pivotally disposed in the outer pivoting unit 50, and the inner pivoting unit 60 and the outer pivoting unit 50 are driven by a power source 30, and the power source 30 is controlled by the controller 40; The sewage introduction flow rate control step B, the flow rate sensor 71 provided with respect to the inner pivot unit 60 senses the introduction speed of the sewage, and the controller 40 controls the sewage introduction speed; the sewage specific gravity sensing step C, the sewage When introducing, the specific gravity sensor 72 provided with respect to the inner pivoting unit 60 senses the specific gravity of the sewage; the speed control step D, the controller 40 controls the inner pivoting unit 60 and the outer pivoting unit 50 according to the specific gravity of the sewage. The rotational speed, the higher the specific gravity of the sewage, the lower the rotational speed. Conversely, the smaller the specific gravity of the sewage, the higher the rotational speed. The following table shows the implementation data of the present invention;

Electrical sensing step E, the electrical sensor 74 senses the voltage and current of the power source 30, and the controller 40 controls the power source 30 to maintain a certain voltage and current value; operation and separation step F, the inner hub The rotating unit 60 and the outer pivoting unit 50 pivot and generate a separating action, and the cleaned water is led upward by the guiding hole 631 of the blade portion 63 of the blade pivot 62 of the inner pivoting unit 60, through the guiding hole 631 The efficiency of the separation and derivation is set; the temperature sensing step G senses the mechanism temperature of the power source 30 during operation, and when the mechanism temperature of the power source 30 exceeds 40 degrees Celsius, the controller 40 controls The power source 30 is forcibly stopped; the cleaning step H, when the sewage has been processed, that is, the flow rate sensor 71 senses a flow rate of 0, and when there is no sewage input, the sewage treatment is completed, the controller 40, the water heater 80 disposed in the inner pivoting unit 60 controls the input of the clean water, and when the inner pivoting unit 60 and the outer pivoting unit 50 continue to operate, the cleaned water can be used for the inner pivoting unit 60 and The outer pivoting unit 50 generates a cleaning function; and stops the transport I, the washing step is completed, the controller 40 controls the power source 30 is stopped to complete the treatment of sewage.

In summary, the sewage separation device of the present invention can provide solid-liquid separation of sewage, and the flow guiding holes 631 are provided by the blade portion 63 of the inner pivoting unit 60, and the flow guiding holes 631 increase the speed of liquid discharge. , to improve the overall solid-liquid separation efficiency, and through the automatic control method, provide different types of sewage to carry out the separation action with the most appropriate value, to produce the best separation effect, at the same time, the electrical and temperature of each machine The sensing can ensure the safety of the mechanism of the sewage separation device of the invention and prolong the service life of the sewage separation device.

"this invention"

10. . . Base frame

20. . . shell

30. . . Power source

31. . . First motor

311. . . Axis

312. . . First active part

32. . . Second motor

321. . . Axis

322. . . Second initiative

40. . . Controller

50. . . External pivot unit

51. . . casing

511. . . First passive

512. . . First driver

52. . . Connection cover

521. . . perforation

53. . . Cover

60. . . Internal pivot unit

61. . . Draft tube

611. . . Guide hole

612‧‧‧second passive parts

613‧‧‧Second drive

62‧‧‧ blade seat

621‧‧‧ flow path

622‧‧‧ watercourse

623‧‧‧Waterway

63‧‧‧ Blade Department

631‧‧‧Inlet

70‧‧‧Sensor unit

71‧‧‧Flow sensor

72‧‧‧Specific gravity sensor

73‧‧‧Speed sensor

74‧‧‧Electric sensor

75‧‧‧temperature sensor

80‧‧‧Water supply

81‧‧‧through hole

A‧‧‧Sewage introduction steps

B‧‧‧Sewage introduction flow rate control steps

C‧‧‧Sewage specific gravity sensing steps

D‧‧‧Speed control steps

E‧‧‧Electrical testing steps

F‧‧‧Operation and separation steps

G‧‧‧Temperature sensing steps

H‧‧·cleaning steps

I‧‧‧Stop operation

Fig. 1 is a schematic view showing the structure of a sewage separation apparatus of the present invention.

Fig. 2 is a cross-sectional view showing a part of the structure of the sewage separation apparatus of the present invention.

Fig. 3 is a partial perspective view showing the blade seat of the inner pivoting unit of the sewage separation device of the present invention.

Fig. 4 is a partial plan view showing the blade seat of the inner pivoting unit of the sewage separation apparatus of the present invention.

Fig. 5 is a system diagram of the sewage separation apparatus of the present invention.

Fig. 6 is a schematic view showing another embodiment of the sewage separation apparatus of the present invention.

Figure 7 is a flow chart showing the steps of the control method of the sewage separation apparatus of the present invention.

30‧‧‧Power source

40‧‧‧ Controller

50‧‧‧External pivot unit

60‧‧‧Internal pivot unit

70‧‧‧Sensor unit

71‧‧‧Flow sensor

72‧‧‧Specific gravity sensor

73‧‧‧Speed sensor

74‧‧‧Electric sensor

75‧‧‧temperature sensor

Claims (4)

A control method for a sewage separation device comprises the following steps: a sewage introduction step of introducing liquid sewage mixed with solids into an inner pivoting unit of the sewage separation device, the inner pivoting unit being pivoted a pivoting unit, wherein the inner pivoting unit comprises a blade seat outer circumference spirally forming a blade portion, the blade portion opening a plurality of guiding holes near the center of the blade seat, the guiding holes are staggered in the axial direction, and The inner pivoting unit and the outer pivoting unit are driven by a power source, and the power source is controlled by a controller; the sewage is introduced into the flow rate control step, and the flow velocity sensor is opposite to the inner pivoting unit. The introduction speed of water, and the controller controls the sewage introduction speed; the sewage specific gravity sensing step, when the sewage is introduced, a specific gravity sensor disposed relative to the inner pivoting unit senses the specific gravity of the sewage; the rotation speed control step The controller controls the rotation speed of the inner pivoting unit and the outer pivoting unit according to the specific gravity of the sewage. When the specific gravity of the sewage is higher, the rotation speed is lower. Conversely, when the specific gravity of the sewage is smaller, the rotation speed is higher, and the inner hub is Rotating unit speed The rotation speed of the external pivoting unit is 20 rpm; the operation and separation steps, the inner pivoting unit and the outer pivoting unit pivot and generate a separating action, and the clean water is diverted from the blade portion of the inner pivoting unit The hole is led upward, and the efficiency of separation and deduction is improved by the arrangement of the diversion hole; and the operation is stopped, the controller controls the power source to stop running, and the sewage is completed. deal with. The method for controlling a sewage separation device according to claim 1, further comprising an electrical sensing step, the electrical sensor sensing a voltage and a current of the power source, and the controller controls the power The source maintains a certain voltage and current value. The method for controlling a sewage separation device according to claim 1, further comprising a temperature sensing step, the temperature sensor sensing a mechanism temperature of the power source during operation, and a mechanism of the power source When the temperature exceeds 40 degrees Celsius, the controller controls the power source to be forcibly stopped. The control method of the sewage separation device according to the first aspect of the invention, further comprising a cleaning step, after the operation separation step, when the flow rate sensor senses a flow rate of 0, the controller controls the setting When a water supply device in the inner pivoting unit inputs clean water, when the inner pivoting unit and the outer pivoting unit continue to operate, the cleaned water can clean the inner pivoting unit and the outer pivoting unit. Actions.