CN210711199U - Sludge breaking device based on fluid shearing-ultrasonic method - Google Patents
Sludge breaking device based on fluid shearing-ultrasonic method Download PDFInfo
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- CN210711199U CN210711199U CN201921300978.4U CN201921300978U CN210711199U CN 210711199 U CN210711199 U CN 210711199U CN 201921300978 U CN201921300978 U CN 201921300978U CN 210711199 U CN210711199 U CN 210711199U
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Abstract
The utility model discloses a mud explains device based on fluid shearing-supersound method, the device include into drainage device, fluid shearing explains device and supersound explains device. The device is formed by sequentially connecting a water inlet pipe, a fluid shearing chamber, a connecting pipe, an ultrasonic treatment chamber and a drain pipe, sludge is fed into the device through a sludge pump by the water inlet pipe, and the device can complete sludge degradation pretreatment and is directly discharged by the drain pipe. The sludge enters a fluid shearing chamber and is stirred by a rotor-stator to generate fluid shearing force to destroy a flocculent structure, partial cell wall cell membranes and the like, and then enters an ultrasonic treatment chamber to complete further decomposition by ultrasonic cavitation. The device belongs to a sludge cracking device which is almost unavailable in the market at present, scientific research subjects are applied and practical, the purpose of convenient treatment of sludge input-cracking-sludge output can be realized, and the cracking effect is excellent.
Description
Technical Field
The utility model relates to a sewage treatment field relates to the excess sludge treatment device of activated sludge method, concretely relates to mud explains device based on fluid shear-supersound method.
Background
The excess sludge is the main waste generated in the wastewater treatment method by using the activated sludge, is rich in a large amount of organic and inorganic substances, microorganisms, impurities and the like which are harmful to the environment, and can cause serious pollution when being directly discharged without being treated. The traditional treatment methods such as landfill, incineration and the like can not properly treat the residual sludge. Researches show that the residual sludge can be effectively cracked by the fluid shearing-ultrasonic combined treatment, and the sludge degradation can be better realized.
The main means of sludge breaking are physical, chemical and biological. The physical method is wide in application and good in effect, the fluid shearing and ultrasonic cavitation are common physical methods, and the fluid shearing-ultrasonic combined method is higher in breaking degree than a single fluid shearing treatment and more energy-saving than a single ultrasonic method; the chemical method mainly depends on strong oxidant, and the cost is relatively high; biological methods are generally time consuming.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a sludge breaking device based on the fluid shearing-ultrasonic method, which comprises a water feeding and discharging device, a fluid shearing breaking device and an ultrasonic breaking device, wherein the device can effectively realize sludge breaking by utilizing the fluid shearing-ultrasonic combined breaking method. The utility model discloses can improve and explain efficiency, the handling capacity is big, the energy saving, save time.
In order to achieve the purpose, the utility model provides a sludge cracking device based on a fluid shearing-ultrasonic method, which comprises a water inlet device 1, a water inlet pipeline 2, a fluid shearing treatment room 3, an ultrasonic treatment room 12, a connecting pipe 10, a water outlet pipeline 14 and a water outlet device 15; the water inlet pipeline 2, the connecting pipe 10 and the water outlet pipeline 14 form a connecting pipeline, and the front and the rear of the connecting pipeline are connected with a water inlet device 1, a fluid shearing treatment room 3, an ultrasonic treatment room 12 and a water outlet device 15; wherein the water inlet device 1 and the water outlet device 15 are internally provided with a sludge pump and a water storage device which are used for conveying the sludge to be broken by a belt and discharging the treated sludge;
the fluid shearing treatment room 3 is internally provided with a stator 5, a rotor 6 and a driving shaft 7, the stator 5 is fixed on the inner wall of the fluid shearing treatment room 3, the rotor 6 is connected to the driving shaft 7 through a bearing 4, the stator 5 and the rotor 6 are arranged alternately, rotor blades are driven by an external motor, the stator blades and the fluid shearing treatment room are relatively fixed, and the arrangement mode can realize the change of the rotation direction of the fluid in the fluid shearing treatment room while ensuring that the fluid is not blocked so as to generate larger shearing force to destroy residual sludge. The rotor is connected with the driving shaft and used for pushing fluid to rotate around the shaft, the stator is connected with the inner wall of the shearing chamber, the mounting direction is opposite to that of the rotor, the fluid can generate the rotation around the shaft opposite to the original rotation direction (the pushing direction of the rotor) when passing through the blades, the through holes and other structures, and a larger speed difference is generated in the fluid so as to achieve the purpose of increasing the shearing force of the fluid. The right end of the fluid shearing treatment room 3 is provided with a sealing element 8 and is connected with a motor 13 through a transmission device 9.
The structure of the stator 5 and the rotor 6 is one of a blade, a turbine, a rotor plate or a through hole. Has the effect of pushing the liquid to rotate.
The number of the stators 5 and the rotors 6 can be a single group or a plurality of groups, and can be set in a range of 1-50.
The structure of the ultrasonic treatment room 12 is in a form of a plane bending pipeline or a three-dimensional bending pipeline. Not only can adjust the flow velocity of the fluid, but also can make full use of the ultrasonic wave.
Preferably, the ultrasonic treatment room 12 is of an S-shaped or a disk-shaped structure.
The ultrasonic generator 11 is installed at the corner of the bent pipeline of the ultrasonic treatment room 12, the installation mode of the ultrasonic generator 11 is fixed or detachable, the number of the ultrasonic generators 11 is single or multiple, and the setting range is 1-50. The bent pipeline arrangement of the ultrasonic treatment room can better utilize the ultrasonic generated by the ultrasonic generator at the bent part, so as to obtain better cracking effect.
The front end of the ultrasonic generator 11 is provided with an ultrasonic probe, and the ultrasonic probe is planar or spherical. The ultrasonic probe can be fixed on the outer wall of the fluid shearing treatment room 3 and is tightly connected with the outer wall to realize ultrasonic cracking. In addition, the ultrasonic probe can also be fixed in the ultrasonic treatment room 12 through a sealing device, and the ultrasonic treatment can be carried out in the liquid for cracking.
According to the technical scheme, the water inlet pipeline, the fluid shearing treatment room, the ultrasonic treatment room and the water outlet pipeline are sequentially connected through connecting pipelines, the rotor-stator blades which are alternately arranged are contained in the fluid shearing treatment room, the bent S-shaped pipeline is contained in the ultrasonic treatment room, and the ultrasonic generator at the bent part of the bent pipeline can realize ultrasonic breaking of residual sludge. When the ultrasonic treatment device works, sludge turbid liquid flows in from the water inlet pipeline, flows into the ultrasonic treatment room after being cracked by the fluid shearing treatment room, and is discharged by the water discharge pipeline.
The overall size of the device can be adjusted according to the actual use condition, and the matched power models of the motor, the rotor-stator, the ultrasonic generator and the like can select suitable parameters according to the overall device. The sludge treatment capacities of different parameters are different, so that the sludge flow, the sludge concentration and the device operation power (shearing rotating speed, ultrasonic power frequency and the like) have a wide selection range. Research shows that in the shearing-ultrasonic combined treatment method, the shearing treatment time is preferably 10-20min, the ultrasonic treatment time is preferably 10min, and the sludge concentration is preferably 16000-. In order to ensure the treatment effect, the flow rate of the device is determined according to the volume of the device and the suitable treatment time, and the rest parameters (rotating speed, power, frequency and the like) are determined according to the research result.
In combination with the practical conditions such as research results, hardware conditions, energy consumption ratio and the like, the suitable parameters of the small-sized equipment (2L of shearing chamber volume) can be selected from the following ranges, the whole flow rate of the device is 0.05-0.4L/min, and the sludge concentration is 5000-. In the fluid shearing part, the rotating speed can be selected from 0-30000rpm, but the rotating speed is selected from the range of 15000-20000 rpm more economically considering the structural requirements (motors, rotors and driving shafts) of the actual device and the limitations of energy consumption and the like. The ultrasonic cracking part determines the length and the bending times of the pipeline according to the size of the pipeline between the shearing intermediate volume and the ultrasonic interval, taking phi 20mm as an example, the length of the pipeline can be selected from 600 plus 700mm, the frequency of the ultrasonic generator can be selected from 10-30kHz, the power of a single probe can be selected from 500 plus 700w, and the pulse ratio can be selected from 2: 1.
The device has good treatment effect, the particle size can be reduced by about 80%, volatile suspended solids can be removed by about 35%, mixed liquid suspended solids can be removed by more than 20%, the chemical oxygen demand cracking rate can reach 35-40%, and the total cracking effect is very good.
Compared with the prior art, the beneficial effects are as follows:
the combined shearing and ultrasonic treatment has better cracking effect than the single shearing treatment, and the product is more broken by the combined shearing and ultrasonic treatment; compared with single ultrasonic, the method is more energy-saving (though the method is more broken but not obvious, the energy consumption is very obvious), the chemical method mainly depends on strong oxidant, the cost is high, and the time consumption of the biological method is long. The invention can improve the cracking efficiency, has large processing capacity, and saves energy and time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts. FIG. 1: the invention is based on the fluid shearing-ultrasonic method and the sludge breaking device has the overall structure schematic diagram;
wherein, 1 water inlet device, 2 water inlet pipes, 3 fluid shearing treatment rooms, 4 bearings, 5 stators, 6 rotors, 7 driving shafts, 8 sealing elements, 9 transmission devices, 10 connecting pipes, 11 ultrasonic generators, 12 ultrasonic treatment rooms, 13 motors, 14 water outlet pipes and 15 water outlet devices.
Detailed Description
The following description of the embodiments of the present invention will be made in conjunction with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention.
Example 1
A sludge breaking device based on a fluid shearing-ultrasonic method comprises a water inlet device 1, a water inlet pipeline 2, a fluid shearing treatment room 3, an ultrasonic treatment room 12, a connecting pipe 10, a water outlet pipeline 14 and a water outlet device 15; the water inlet pipeline 2, the connecting pipe 10 and the water outlet pipeline 14 form a connecting pipeline, and the front and the rear of the connecting pipeline are connected with a water inlet device 1, a fluid shearing treatment room 3, an ultrasonic treatment room 12 and a water outlet device 15; wherein the water inlet device 1 and the water outlet device 15 are internally provided with a sludge pump and a water storage device which are used for conveying the sludge to be broken by a belt and discharging the treated sludge; the sludge fluid flows in from the water inlet device 1 and flows out from the water outlet device 15; the water inlet and outlet device can be designed with an internal structure according to actual conditions. Generally comprises one or more groups of sludge pumps and storage devices.
The fluid shearing treatment room 3 is internally provided with a stator 5, a rotor 6 and a driving shaft 7, the stator 5 is fixed on the inner wall of the fluid shearing treatment room 3, the rotor 6 is connected to the driving shaft 7 through a bearing 4, the stator 5 and the rotor 6 are arranged alternately, rotor blades are driven by an external motor, the stator blades and the fluid shearing treatment room are relatively fixed, and the arrangement mode can realize the change of the rotation direction of the fluid in the fluid shearing treatment room while ensuring that the fluid is not blocked so as to generate larger shearing force to destroy residual sludge. The right end of the fluid shearing treatment room 3 is provided with a sealing element 8 and is connected with a motor 13 through a transmission device 9.
The stator 5 and the rotor 6 are configured as paddles.
The number of stators 5 and rotors 6 is 4.
The structure of the ultrasonic treatment room 12 is in a three-dimensional bent pipeline form.
Preferably, the sonication room 12 is S-shaped in structure.
The corner of the bent pipeline of the ultrasonic treatment room 12 is provided with an ultrasonic generator 11, the installation mode of the ultrasonic generator 11 is fixed or detachable, and the number of the ultrasonic generators 11 is 3. The bent pipeline arrangement of the ultrasonic treatment room can better utilize the ultrasonic generated by the ultrasonic generator at the bent part, so as to obtain better cracking effect.
The front end of the ultrasonic generator 11 is provided with an ultrasonic probe, and the ultrasonic probe is planar. The ultrasonic probe can be fixed on the outer wall of the fluid shearing treatment room 3 and is tightly connected with the outer wall to realize ultrasonic cracking.
Example 2
A sludge breaking device based on a fluid shearing-ultrasonic method comprises a water inlet device 1, a water inlet pipeline 2, a fluid shearing treatment room 3, an ultrasonic treatment room 12, a connecting pipe 10, a water outlet pipeline 14 and a water outlet device 15; the water inlet pipeline 2, the connecting pipe 10 and the water outlet pipeline 14 form a connecting pipeline, and the front and the rear of the connecting pipeline are connected with a water inlet device 1, a fluid shearing treatment room 3, an ultrasonic treatment room 12 and a water outlet device 15; wherein the water inlet device 1 and the water outlet device 15 are internally provided with a sludge pump and a water storage device which are used for conveying the sludge to be broken by a belt and discharging the treated sludge;
the fluid shearing treatment room 3 is internally provided with a stator 5, a rotor 6 and a driving shaft 7, the stator 5 is fixed on the inner wall of the fluid shearing treatment room 3, the rotor 6 is connected to the driving shaft 7 through a bearing 4, the stator 5 and the rotor 6 are arranged alternately, rotor blades are driven by an external motor, the stator blades and the fluid shearing treatment room are relatively fixed, and the arrangement mode can realize the change of the rotation direction of the fluid in the fluid shearing treatment room while ensuring that the fluid is not blocked so as to generate larger shearing force to destroy residual sludge. The right end of the fluid shearing treatment room 3 is provided with a sealing element 8 and is connected with a motor 13 through a transmission device 9.
The stator 5 and the rotor 6 are configured as a turbine.
The number of stators 5 and rotors 6 is 10.
The ultrasonic treatment room 12 is a plane bending pipeline.
Preferably, the sonication room 12 is structured in a disc shape.
The ultrasonic generator 11 is installed at the corner of the bent pipeline of the ultrasonic treatment room 12, the installation mode of the ultrasonic generator 11 is fixed or detachable, and the number of the ultrasonic generators 11 is 50. The bent pipeline arrangement of the ultrasonic treatment room can better utilize the ultrasonic generated by the ultrasonic generator at the bent part, so as to obtain better cracking effect.
The front end of the ultrasonic generator 11 is provided with an ultrasonic probe, and the ultrasonic probe is spherical. The ultrasonic probe can also be fixed in the ultrasonic treatment room 12 through a sealing device and cracked by ultrasonic in liquid.
Example 3
A sludge breaking device based on a fluid shearing-ultrasonic method comprises a water inlet device 1, a water inlet pipeline 2, a fluid shearing treatment room 3, an ultrasonic treatment room 12, a connecting pipe 10, a water outlet pipeline 14 and a water outlet device 15; the water inlet pipeline 2, the connecting pipe 10 and the water outlet pipeline 14 form a connecting pipeline, and the front and the rear of the connecting pipeline are connected with a water inlet device 1, a fluid shearing treatment room 3, an ultrasonic treatment room 12 and a water outlet device 15; wherein the water inlet device 1 and the water outlet device 15 are internally provided with a sludge pump and a water storage device which are used for conveying the sludge to be broken by a belt and discharging the treated sludge;
the fluid shearing treatment room 3 is internally provided with a stator 5, a rotor 6 and a driving shaft 7, the stator 5 is fixed on the inner wall of the fluid shearing treatment room 3, the rotor 6 is connected to the driving shaft 7 through a bearing 4, the stator 5 and the rotor 6 are arranged alternately, rotor blades are driven by an external motor, the stator blades and the fluid shearing treatment room are relatively fixed, and the arrangement mode can realize the change of the rotation direction of the fluid in the fluid shearing treatment room while ensuring that the fluid is not blocked so as to generate larger shearing force to destroy residual sludge. The right end of the fluid shearing treatment room 3 is provided with a sealing element 8 and is connected with a motor 13 through a transmission device 9.
The stator 5 and the rotor 6 are in the structure of a rotor.
The number of the stators 5 and the rotors 6 is 20.
The structure of the ultrasonic treatment room 12 is in a three-dimensional bent pipeline form.
Preferably, the sonication room 12 is S-shaped in structure.
The corner of the bent pipeline of the ultrasonic treatment room 12 is provided with an ultrasonic generator 11, the installation mode of the ultrasonic generator 11 is fixed or detachable, and the number of the ultrasonic generators 11 is 1. The bent pipeline arrangement of the ultrasonic treatment room can better utilize the ultrasonic generated by the ultrasonic generator at the bent part, so as to obtain better cracking effect.
The front end of the ultrasonic generator 11 is provided with an ultrasonic probe, and the ultrasonic probe is planar. The ultrasonic probe can be fixed on the outer wall of the fluid shearing treatment room 3 and is tightly connected with the outer wall to realize ultrasonic cracking.
Example 4
The sludge fluid flows in from the water inlet device 1 and flows out from the water outlet device 15. The water inlet and outlet device can be designed with an internal structure according to actual conditions. Generally comprises one or more groups of sludge pumps and storage devices.
The incoming sludge to be treated first reaches the fluid shear treatment chamber 3. The partial structure comprises a driving shaft 7, a stator blade and a rotor blade. The fluid obtains the rotation speed around the shaft through the rotor blades and continuously flows forwards through the stator blades, the rotation speed of the fluid is changed due to different rotation directions of the blade surfaces, and large shearing force appears in the fluid due to the front-back speed difference. After passing through a plurality of groups of rotor-stator alternate structures, the fluid reaches the tail end of the fluid shearing treatment room and enters the ultrasonic treatment room through the connecting pipeline.
After entering the ultrasonic treatment room 3, the fluid moves along the direction of the S-shaped pipeline, an ultrasonic generator is arranged at the turning part of the S-shaped curve, and the ultrasonic generator emits ultrasonic waves into the fluid to play a role in crushing. It should be noted that the flow rate of the ultrasonic treatment chamber 12 needs to be controlled, too slow results in too low treatment efficiency, and too fast results in incomplete ultrasonic disruption. The fluid flows through the ultrasonic treatment room and is discharged through the water outlet device.
The overall size of the device can be adjusted according to the actual use condition, and the matched power models of the motor, the rotor-stator, the ultrasonic generator and the like can select suitable parameters according to the overall device. The sludge treatment capacities of different parameters are different, so that the sludge flow, the sludge concentration and the device operation power (shearing rotating speed, ultrasonic power frequency and the like) have a wide selection range. Research shows that in the shearing-ultrasonic combined treatment method, the shearing treatment time is preferably 10-20min, the ultrasonic treatment time is preferably 10min, and the sludge concentration is preferably 16000-. In order to ensure the treatment effect, the flow rate of the device is determined according to the volume of the device and the suitable treatment time, and the rest parameters (rotating speed, power, frequency and the like) are determined according to the research result.
In combination with the practical conditions such as research results, hardware conditions, energy consumption ratio and the like, the suitable parameters of the small-sized equipment (2L of shearing chamber volume) can be selected from the following ranges, the whole flow rate of the device is 0.05-0.4L/min, and the sludge concentration is 5000-. In the fluid shearing part, the rotating speed can be selected from 0-30000rpm, but the rotating speed is selected from the range of 15000-20000 rpm more economically considering the structural requirements (motors, rotors and driving shafts) of the actual device and the limitations of energy consumption and the like. The ultrasonic cracking part determines the length and the bending times of the pipeline according to the size of the pipeline between the shearing intermediate volume and the ultrasonic interval, taking phi 20mm as an example, the length of the pipeline can be selected from 600 plus 700mm, the frequency of the ultrasonic generator can be selected from 10-30kHz, the power of a single probe can be selected from 500 plus 700w, and the pulse ratio can be selected from 2: 1.
The device has good treatment effect, the particle size can be reduced by about 80%, volatile suspended solids can be removed by about 35%, mixed liquid suspended solids can be removed by more than 20%, the chemical oxygen demand cracking rate can reach 35-40%, and the total cracking effect is very good.
Claims (9)
1. A sludge breaking device based on a fluid shearing-ultrasonic method is characterized in that: the sludge cracking device comprises a water inlet device (1), a water inlet pipeline (2), a fluid shearing treatment room (3), an ultrasonic treatment room (12), a connecting pipe (10), a water outlet pipeline (14) and a water outlet device (15); the water inlet pipeline (2), the connecting pipe (10) and the water outlet pipeline (14) form a connecting pipeline, and the front and the back of the connecting pipeline are connected with the water inlet device (1), the fluid shearing treatment room (3), the ultrasonic treatment room (12) and the water outlet device (15);
wherein a sludge pump and a water storage device are arranged in the water inlet device (1) and the water outlet device (15) and are used for conveying the sludge cracked by the belt and discharging the treated sludge;
a stator (5), a rotor (6) and a driving shaft (7) are arranged in the fluid shearing treatment room (3), the stator (5) is fixed on the inner wall of the fluid shearing treatment room (3), the rotor (6) is connected to the driving shaft (7) through a bearing (4), and the stator (5) and the rotor (6) are arranged alternately; the right end of the fluid shearing treatment room (3) is provided with a sealing element (8) which is connected with a motor (13) through a transmission device (9).
2. The sludge breaking device based on the fluid shear-ultrasonic method according to claim 1, wherein: the structure of the stator (5) and the rotor (6) is one of a blade, a turbine or a rotor plate.
3. The sludge breaking device based on the fluid shear-ultrasonic method according to claim 1, wherein: the number of the stators (5) and the rotors (6) is 1-50.
4. The sludge breaking device based on the fluid shear-ultrasonic method according to claim 1, wherein: the structure of the ultrasonic treatment room (12) is in a plane bending pipeline or a three-dimensional bending pipeline form.
5. The sludge breaking device based on the fluid shear-ultrasonic method according to claim 1, wherein: the structure of the ultrasonic treatment room (12) is S-shaped or disc-shaped.
6. The sludge breaking device based on the fluid shear-ultrasonic method according to claim 1, wherein: an ultrasonic generator (11) is installed at the corner of a bent pipeline of the ultrasonic processing room (12), and an ultrasonic probe is installed at the foremost end of the ultrasonic generator (11); the installation mode of the ultrasonic generators (11) is fixed or detachable, and the number of the ultrasonic generators (11) is 1-20.
7. The apparatus for sludge degradation based on the fluid shear-ultrasonic method according to claim 6, wherein: the ultrasonic probe is planar or spherical.
8. The apparatus for sludge degradation based on the fluid shear-ultrasonic method according to claim 7, wherein: the ultrasonic probe is fixed on the outer wall of the fluid shearing treatment room (3) and is tightly connected with the outer wall to realize ultrasonic cracking.
9. The apparatus for sludge degradation based on the fluid shear-ultrasonic method according to claim 7, wherein: the ultrasonic probe is fixed in the ultrasonic treatment room (12) through a sealing device and is cracked by ultrasonic in liquid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357376A (en) * | 2019-08-12 | 2019-10-22 | 沈阳东源环境科技有限公司 | It is a kind of based on fluid shearing-ultrasonic method sludge disintegration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357376A (en) * | 2019-08-12 | 2019-10-22 | 沈阳东源环境科技有限公司 | It is a kind of based on fluid shearing-ultrasonic method sludge disintegration device |
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