CN113880160A - Sewage stirring and chopping device control system and design method thereof - Google Patents
Sewage stirring and chopping device control system and design method thereof Download PDFInfo
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- CN113880160A CN113880160A CN202111278924.4A CN202111278924A CN113880160A CN 113880160 A CN113880160 A CN 113880160A CN 202111278924 A CN202111278924 A CN 202111278924A CN 113880160 A CN113880160 A CN 113880160A
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- 239000010865 sewage Substances 0.000 title claims abstract description 90
- 238000003756 stirring Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013461 design Methods 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a control system of a sewage stirring and chopping device and a design method thereof, wherein the control system comprises a chopping unit, a motor and a cutter head component, wherein the motor is arranged at one side of the crushing chamber component; the detection unit is arranged in the mixing cavity and comprises a rotating speed detector and an ultrasonic detector module; and the control unit is arranged on one side of the motor and comprises a control terminal and a motor frequency converter. Meanwhile, the invention can automatically adjust the rotating speed of the unit and the axial distance between the movable cutter head and the fixed cutter head according to the size of solid impurities in the inlet sewage, and prevent the large-size impurities in the sewage from winding and blocking a sewage pump for subsequent treatment, thereby achieving the purposes of lower energy consumption and better chopping effect. Meanwhile, the rotating speed and the power transmitted to the movable cutting disc by the motor can be monitored in real time, and the motor overload burning caused by winding and blocking of the movable cutting disc is prevented.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to a control system of a sewage stirring and chopping device and a design method thereof.
Background
With the development of national economy, a great deal of sewage containing solid blocks and long fiber impurities is generated in agriculture, commerce, industry and other industries. The sewage pump is a special device for conveying the sewage, but when the sewage pump conveys the sewage containing a large amount of blocky solid and long fiber impurities, the phenomena of winding and blocking are easy to occur, the reliability and the conveying efficiency of the sewage pump are directly influenced, and the wide application of the sewage pump is limited.
Some present stirring mincer are installed before the sewage pump, as sewage pretreatment equipment, the impeller through rate of sewage pump has been guaranteed, but this kind of stirring mincer only can with fixed rotational speed with move, quiet blade axial interval work, only be applicable to the sewage transport of single kind, little flow and short time work, if handle other types sewage then can appear than the problem that consumes energy height and shredding effect is poor, and the too high condition of power that winding jam arouses also can appear in sewage stirring mincer, lack effectual monitoring alarm device.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the existing sewage stirring and chopping device.
Therefore, the invention aims to provide a control system of a sewage stirring and chopping device and a design method thereof, and solves the problems that the rotating speed and the axial distance between a movable blade and a fixed blade of the sewage stirring and chopping device in the prior art cannot be automatically adjusted and a motor is overloaded and burnt due to winding and blocking of the movable blade.
In order to solve the technical problems, the invention provides the following technical scheme: a sewage stirring and chopping device control system comprises a chopping unit, a motor and a cutter head component, wherein the chopping unit comprises a crushing cavity component, the motor is arranged on one side of the crushing cavity component, and the cutter head component is arranged in the crushing cavity component; the detection unit is arranged inside the crushing cavity part and comprises a rotating speed detector and an ultrasonic detector module; and the control unit is arranged on one side of the motor and comprises a control terminal and a motor frequency converter.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the crushing cavity part comprises a front cavity, a mixing cavity and a rear cavity, the front cavity is arranged on one side of the mixing cavity, the rear cavity is arranged on the upper side of the mixing cavity, and the motor is arranged on one side of the mixing cavity, which is far away from the front cavity.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the cutter head component comprises a movable cutter head, a static cutter head and a main shaft, the main shaft is arranged in the mixing cavity, the movable cutter head is arranged on one side of the main shaft, the static cutter head is fixedly connected to the inner wall of the mixing cavity, and the movable cutter head and the static cutter head are connected in a matched mode.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the electric displacement measuring device is characterized in that an electric displacement shaft is arranged at one end of the main shaft and is mutually and rotatably connected with the movable cutter disc, and a rotating speed detector is arranged in the middle of the main shaft and is electrically connected with the control terminal.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the ultrasonic detector component comprises an inlet detector and an outlet detector, the outlet detector is fixed in the front cavity wall through a bolt, the outlet detector is fixed in the rear cavity wall through a bolt, and the inlet detector and the outlet detector are electrically connected with the control terminal.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: and a motor frequency converter is arranged on one side of the motor and electrically connected with the motor, and the control terminal is electrically connected with the motor frequency converter and the electric displacement shaft.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the control unit comprises an adjusting module and an emergency stop module, the adjusting module detects solid sewage through the outlet ultrasonic detection module and controls the solid sewage through adjusting the rotating speed output of the motor frequency converter and the displacement of the electric displacement shaft; the emergency stop module monitors the condition of the motor by a rotating speed detector, and a motor frequency converter is controlled.
As a preferable aspect of the control system of the sewage stirring and shredding device of the present invention, wherein: the logical output relationship after the rotating speed detector 201 detects the rotating speed of the unit is as follows:
in the formula: b is the logical value output by the rotating speed detector 201; n-the output of the rotational speed of the motor frequency converter 302, rpm; n is1-the actual rotational speed, rpm, of the motor 102.
As a preferred scheme of the design method of the sewage stirring and chopping device, the method comprises the following steps: the logical output relationship after the outlet ultrasonic detection 204 module detects the maximum size of the solid dirt in the sewage, and the conversion relationship between the rotating speed output quantity output by the terminal controller to the motor frequency converter 302 and the displacement output quantity output to the electric displacement shaft 111 are respectively as follows:
in the formula: d is a logical value output by the outlet ultrasonic detection 204 module;
l0-maximum allowable size, mm, of solid dirt in the sewage at the outlet; l-maximum size of solid dirt in the sewage at the outlet, mm.
As a preferred scheme of the design method of the sewage stirring and chopping device, the method comprises the following steps:
in the formula: e, displacement output quantity of the electric displacement shaft 111 and rotating speed output quantity of the motor frequency converter 302, mm and rpm; s-displacement output, mm, of the electric displacement shaft 111;
s0displacement output of initially set electrokinetic displacement shaft 111Amount, mm; n-the output of the rotational speed of the motor frequency converter 302, rpm; n is0-the initially set output amount of the rotational speed, rpm, of the motor frequency converter 302; d is the logical value output by the exit ultrasonic detection 204 module.
The invention has the beneficial effects that: the invention can automatically adjust the rotating speed of the unit and the axial distance between the movable cutter and the fixed cutter according to the size of solid impurities in the inlet sewage, prevent large-size impurities in the sewage from winding and blocking a sewage pump for subsequent treatment, and simultaneously achieve the purposes of lower energy consumption and better chopping effect. The rotating speed and the power transmitted to the movable cutting disc by the motor can be monitored in real time, and the motor overload burning caused by winding and blocking of the movable cutting disc is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of a control system of a sewage stirring and shredding device and a design method thereof according to the present invention.
FIG. 2 is a sectional view of the internal structure of the sewage stirring and shredding device control system and its design method according to the present invention.
FIG. 3 is a flow chart of the operation of the apparatus according to the present invention and the control system of the sewage stirring and shredding apparatus and the design method thereof.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 and 2, a sewage stirring and shredding device control system comprises a shredding unit 100, a detection unit 200 and a control unit 300, in the present embodiment, the shredding unit 100 comprises a crushing chamber component 101, a motor 102 and a cutter head component 103, the motor 102 is arranged at one side of the crushing chamber component 101, and the cutter head component 103 is arranged inside the crushing chamber component 101; the detection unit 200 is arranged inside the crushing cavity part 101 and comprises a rotating speed detector 201 and an ultrasonic detector module 202; and a control unit 300, which is arranged on one side of the motor 102 and comprises a control terminal 301 and a motor frequency converter 302.
Specifically, the crushing unit 100 comprises a crushing cavity component 101, a motor 102 and an impeller component 103, wherein the motor 102 is arranged on one side of the crushing cavity component 101, and the impeller component 103 is arranged inside the crushing cavity component 101. The large-overflowing strong-shearing stirring chopper for sewage treatment is usually arranged in front of a sewage pump and is used as sewage pretreatment equipment, so that the impeller passing rate of the sewage pump is ensured, and the chopping unit 100 is used for chopping and cleaning impurities in front of the sewage pump. The motor 102 drives the cutter head component 103 to operate, and sundries are chopped in the crushing cavity 101.
Further, the detection unit 200, which is arranged inside the crushing chamber part 101, comprises a tachometer 201 and an ultrasonic meter module 202. The stirring chopper can only work with fixed rotational speed and blade axial interval, is only applicable to the sewage transport of single kind, little flow and short time work, if handle other types of sewage then can appear than the power consumption high with the poor problem of shredding the effect, and sewage stirring chopper also can appear twining the too high condition of power that the jam arouses, lacks effectual monitoring alarm device. The detection unit 200 is arranged to monitor the sewage impurities inside the crushing chamber part 101. Meanwhile, the whole device is controlled by combining a control terminal 301 and a motor frequency converter 302 inside the control unit 300.
The operation process is as follows: when sundries in sewage enter the crushing cavity component 101, the size of the sundries is detected by the ultrasonic detector module 202, the motor frequency converter 302 is adjusted to control the rotating speed of the motor 102 through transmission control of the control terminal 301, the motor 102 drives the cutter head component 103, and the cutter head component 103 cuts the sundries into the crushing cavity component 101. The finely divided impurities pass through the crushing chamber part 101 to the water pump.
Example 2
Referring to fig. 2-3, this embodiment differs from the first embodiment in that: the crushing cavity part 101 comprises a front cavity 104, a mixing cavity 105 and a rear cavity 106, wherein the front cavity 104 is arranged on one side of the mixing cavity 105, the rear cavity 106 is arranged on the upper side of the mixing cavity 105, and the motor 102 is arranged on one side of the mixing cavity 105 far away from the front cavity 104. The cutter head component 103 comprises a movable cutter head 107, a static cutter head 108 and a main shaft 109, the main shaft 109 is arranged in the mixing cavity 105, the movable cutter head 107 is arranged on one side of the main shaft 109, the static cutter head 108 is fixedly connected to the inner wall of the mixing cavity 105, and the movable cutter head 107 and the static cutter head 108 are mutually matched and connected.
An electric displacement shaft 110 is arranged at one end of the main shaft 109, the electric displacement shaft 110 is rotationally connected with the movable cutter head 107, a rotating speed detector 201 is arranged in the middle of the main shaft 109, and the rotating speed detector 201 is electrically connected with the control terminal 301. The ultrasonic detector assembly 202 comprises an inlet detector 203 and an outlet detector 204, the outlet detector 202 is fixed in the cavity wall of the front cavity 104 by bolts, the outlet detector 204 is fixed in the cavity wall of the rear cavity 106 by bolts, and the inlet detector 203 and the outlet detector 204 are electrically connected with the control terminal 301. The motor 102 is provided with a motor frequency converter 302 on one side, the motor frequency converter 302 is electrically connected with the motor 102, and the control terminal 301 is electrically connected with the motor frequency converter 302 and the electric displacement shaft 110.
Specifically, in this embodiment, the sewage agitation chopper is composed of a front chamber 104, a movable cutter disc 107, a stationary cutter disc 108, a main shaft 109, a mixing chamber 105, a shaft seal, and a rear cover. The rear cover functions to seal. The front chamber 104, mixing chamber 105 and rear cover are connected in sequence by bolts, the main shaft 109 passes through the rear cover, both ends are respectively connected with the movable cutter disc 107 and the motor 102, and the joint with the rear cover is sealed by shaft seal. The movable cutter disc 107 is connected to one end of the main shaft 109 and can axially displace through the electric displacement shaft 110, and the static cutter disc 108 is positioned at the rear side of the movable cutter disc 107 and fixed on the wall of the cavity, and an axial gap is reserved between the static cutter disc 108 and the movable cutter disc 107, so that sundries in sewage can be conveniently cut.
As shown in fig. 2, the inlet ultrasonic detection module is fixed on the cavity wall at the inlet by bolts and electrically connected with the control terminal 301. Control terminal 301 is electrically connected to motor transducer 302 and electric displacement shaft 110, motor transducer 302 is electrically connected to motor 102, and electric displacement shaft 110 is secured to one end of spindle 109 and is connected to the movable cutter disc 107. The outlet ultrasonic detection module 204 is fixed on the cavity wall of the outlet through a bolt and is electrically connected with the control terminal 301. The rotating speed detector 201 is installed in the middle of the main shaft 109 and electrically connected with the control terminal 301.
The rest of the structure is the same as in example 1.
The operation process is as follows: sewage containing solid impurities enters the front cavity 104 from the inlet, is sheared, ground and discharged into the mixing cavity 105 through the movable cutter disc 107 and the static cutter disc 108, flows to the outlet and enters the sewage pump through the rear cavity 106; after the sewage enters the front cavity 104, the inlet ultrasonic detector 203 detects the volume concentration of solid sewage and the proportion of long fibers and blocks in the sewage, converts detection information into corresponding electric signals and outputs the electric signals to the control terminal 301, the control terminal 301 processes the input electric signals and outputs the processed electric signals to the electric displacement shaft 110 and the motor frequency converter 302 to respectively enable the cutter disc 107 to generate axial displacement and adjust the initial rotating speed, so that the sewage stirring and chopping machine has low energy consumption for processing unit volume of sewage and good chopping effect on the solid sewage.
Example 3
Referring to fig. 2-3, this embodiment differs from the above embodiment in that: the control unit 400 comprises an adjusting module 401 and an emergency stop module 402, wherein the adjusting module 401 detects solid sewage through an outlet ultrasonic detection module 403 and controls the solid sewage through adjusting the rotating speed output of the motor frequency converter 302 and the displacement of the electric displacement shaft 111; the scram module 402 monitors the condition of the motor 102 by the rotation speed detector 201, and the motor frequency converter 302 controls the motor.
Specifically, when the content of solid dirt in sewage is too large or the impact toughness of the solid dirt is too large, the movable cutter disc 107 may be wound and blocked, the rotating speed detector 201 monitors the rotating speed and power of the movable cutter disc 107 in real time, and when abnormality occurs, an electric signal is immediately transmitted to the control terminal 301 to control the machine to stop, so that the motor 102 is prevented from being burnt out due to overload.
Meanwhile, the logical output relationship after the rotating speed detector 201 detects the rotating speed of the unit is as follows:
in the formula:
b is the logical value output by the rotating speed detector 201;
n-the output of the rotational speed of the motor frequency converter 302, rpm;
n1-the actual rotational speed, rpm, of the motor 102.
Further, the sewage sheared and ground by the movable and static cutter discs 107 and 108 flows to the sewage pump through the outlet of the mixing chamber 105, the outlet ultrasonic monitoring module 6 detects the sewage, and when the maximum size of solid dirt in the sewage exceeds a certain limit value, an electric signal is output to the control terminal 301 for feedback regulation, so that the rotating speed or the axial distance between the movable and static cutter discs 107 and 108 is further changed.
The logical output relationship after the outlet ultrasonic detection 204 module detects the maximum size of the solid dirt in the sewage, and the conversion relationship between the rotating speed output quantity output by the terminal controller to the motor frequency converter 302 and the displacement output quantity output to the electric displacement shaft 111 are respectively as follows:
in the formula:
d is a logical value output by the outlet ultrasonic detection 204 module;
l0-maximum allowable size, mm, of solid dirt in the sewage at the outlet;
l-maximum size of solid dirt in the sewage at the outlet, mm.
In the formula:
e, displacement output quantity of the electric displacement shaft 111 and rotating speed output quantity of the motor frequency converter 302, mm and rpm;
s-displacement output, mm, of the electric displacement shaft 111;
s0-displacement output of the initially set electro-dynamic displacement shaft 111, mm;
n-the output of the rotational speed of the motor frequency converter 302, rpm;
n0-the initially set output amount of the rotational speed, rpm, of the motor frequency converter 302;
d is the logical value output by the exit ultrasonic detection 204 module.
The rest of the structure is the same as in example 2.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a sewage stirring comminution device control system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the chopping unit (100) comprises a crushing cavity component (101), a motor (102) and a cutter head component (103), wherein the motor (102) is arranged on one side of the crushing cavity component (101), and the cutter head component (103) is arranged inside the crushing cavity component (101);
the detection unit (200) is arranged inside the crushing cavity component (101) and comprises a rotating speed detector (201) and an ultrasonic detector module (202); and the number of the first and second groups,
and the control unit (300) is arranged on one side of the motor (102) and comprises a control terminal (301) and a motor frequency converter (302).
2. The sewage stirring and shredding device control system of claim 1, wherein: broken chamber part (101) include antechamber (104), hybrid chamber (105), back chamber (106), antechamber (104) set up in hybrid chamber (105) one side, back chamber (106) set up in hybrid chamber (105) upside, motor (102) set up and keep away from antechamber (104) one side in hybrid chamber (105).
3. The sewage stirring and shredding device control system of claim 2, wherein: cutter disk part (103) include movable cutter head (107), quiet cutter head (108) and main shaft (109), main shaft (109) set up inside hybrid chamber (105), movable cutter head (107) set up in main shaft (109) one side, quiet cutter head (108) fixed connection is in hybrid chamber (105) inner wall, movable cutter head (107) and quiet cutter head (108) are connected in coordination each other.
4. The sewage stirring and shredding device control system of claim 3, wherein: the electric displacement measuring tool is characterized in that an electric displacement shaft (110) is arranged at one end of the main shaft (109), the electric displacement shaft (110) is rotationally connected with the movable cutter head (107), a rotating speed detector (201) is arranged in the middle of the main shaft (109), and the rotating speed detector (201) is electrically connected with the control terminal (301).
5. The sewage stirring and shredding device control system according to claim 2 or 4, characterized in that: the ultrasonic detector module (202) comprises an inlet detector (203) and an outlet detector (204), the outlet detector (202) is fixed in the cavity wall of the front cavity (104) through bolts, the outlet detector (204) is fixed in the cavity wall of the rear cavity (106) through bolts, and the inlet detector (203) and the outlet detector (204) are electrically connected with the control terminal (301).
6. The sewage stirring and shredding device control system of claim 5, wherein: the motor control system is characterized in that a motor frequency converter (302) is arranged on one side of the motor (102), the motor frequency converter (302) is electrically connected with the motor (102), and the control terminal (301) is electrically connected with the motor frequency converter (302) and the electric displacement shaft (110).
7. A design method of a sewage stirring and chopping device is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the control unit (400) comprises an adjusting module (401) and an emergency stop module (402), wherein the adjusting module (401) detects solid sewage through an outlet ultrasonic detection module (403), and controls the solid sewage through adjusting the rotating speed output of a motor frequency converter (302) and the displacement of the electric displacement shaft (110);
the emergency stop module (402) monitors the condition of the motor (102) by the rotating speed detector (201), and the motor frequency converter (302) controls the motor.
8. The design method of the sewage stirring and cutting device of claim 7, wherein: the logical output relationship after the rotating speed detector (201) detects the rotating speed of the unit is as follows:
in the formula:
b is a logical value output by the rotating speed detector (201);
n is the rotating speed output quantity, rpm, of the motor frequency converter (302);
n1-the fact of the electric machine (102)Rotational speed, rpm.
9. The design method of the sewage stirring and shredding device according to claim 8, characterized in that: the logic output relationship after the outlet ultrasonic detection (204) module detects the maximum size of the solid dirt in the sewage, and the conversion relationship between the rotating speed output quantity output to the motor frequency converter (302) and the displacement output quantity output to the electric displacement shaft (110) by the terminal controller are respectively as follows:
in the formula:
d is the logical value output by the outlet ultrasonic detection (204) module;
l0-maximum allowable size, mm, of solid dirt in the sewage at the outlet;
l-maximum size of solid dirt in the sewage at the outlet, mm.
10. The design method of the sewage stirring and shredding device according to claim 9, characterized in that:
in the formula:
e, displacement output quantity of the electric displacement shaft (110) and rotating speed output quantity of a motor frequency converter (302), mm and rpm;
s-displacement output, mm, of the electric displacement shaft (110);
s0-an output displacement quantity, mm, of the initially set motorised displacement shaft (110);
n is the rotating speed output quantity, rpm, of the motor frequency converter (302);
n0-an initially set output amount of rotational speed, rpm, of the motor frequency converter (302);
d is the logical value output by the outlet ultrasonic detection (204) module.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743688A (en) * | 1994-02-25 | 1998-04-28 | Boehringer Werkzeugmaschinen Gmbh | Machine for turn broaching crankshafts with rotationally symmetrical surfaces |
| JP2008259933A (en) * | 2007-04-10 | 2008-10-30 | Max Co Ltd | Disposer |
| CN105583456A (en) * | 2016-03-09 | 2016-05-18 | 莱芜钢铁集团电子有限公司 | Steel plate cutting method and device |
| CN107552184A (en) * | 2017-08-31 | 2018-01-09 | 江苏大学 | A kind of big excessively stream Strong shear for sewage disposal stirs shredding machine |
| CN111066466A (en) * | 2019-12-24 | 2020-04-28 | 江苏大学 | Combine harvester with self-adaptive adjustment of working load and control method thereof |
| CN211891123U (en) * | 2020-03-03 | 2020-11-10 | 苏州市乾丰造纸机械制造有限公司 | Hydraulic side pressure locking device for lower cutter shaft of splitting machine |
-
2021
- 2021-10-31 CN CN202111278924.4A patent/CN113880160A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743688A (en) * | 1994-02-25 | 1998-04-28 | Boehringer Werkzeugmaschinen Gmbh | Machine for turn broaching crankshafts with rotationally symmetrical surfaces |
| JP2008259933A (en) * | 2007-04-10 | 2008-10-30 | Max Co Ltd | Disposer |
| CN105583456A (en) * | 2016-03-09 | 2016-05-18 | 莱芜钢铁集团电子有限公司 | Steel plate cutting method and device |
| CN107552184A (en) * | 2017-08-31 | 2018-01-09 | 江苏大学 | A kind of big excessively stream Strong shear for sewage disposal stirs shredding machine |
| CN111066466A (en) * | 2019-12-24 | 2020-04-28 | 江苏大学 | Combine harvester with self-adaptive adjustment of working load and control method thereof |
| CN211891123U (en) * | 2020-03-03 | 2020-11-10 | 苏州市乾丰造纸机械制造有限公司 | Hydraulic side pressure locking device for lower cutter shaft of splitting machine |
Non-Patent Citations (1)
| Title |
|---|
| 王振成: "《智能建筑环境与设备概论》", 重庆大学出版社, pages: 233 - 234 * |
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