CN114409226A - Low-temperature plasma device for residual sludge wall breaking digestion - Google Patents

Abstract

The invention discloses a low-temperature plasma device for wall breaking and digestion of excess sludge, which realizes continuous treatment of the excess sludge by obliquely arranging a box body of the device and enabling the excess sludge to flow from a sludge inlet to a sludge outlet under the action of gravity without increasing extra energy consumption, and realizes intelligent automatic continuous treatment of the excess sludge by adjusting the inclination angle of the box body and/or the operation parameters of a plasma generation unit and/or the operation parameters of an air inlet unit through an automatic feedback control unit based on real-time monitoring and control of the outlet sludge.

Description

A low-temperature plasma device for wall-breaking and digestion of excess sludge

technical field

The invention relates to the field of sewage treatment, in particular to a low-temperature plasma device for wall-breaking digestion of excess sludge.

Background technique

With the continuous acceleration of my country's urbanization process, the industrial and residential water consumption is increasing year by year, and the discharge of industrial sewage and domestic wastewater also increases. As the most widely used sewage treatment technology, activated sludge process, its additional product - excess sludge has also increased significantly. Excess sludge will cause organic pollution, pathogenic microorganism pollution, heavy metal pollution, salt pollution, etc. to the environment, posing threats to the environment and human beings.

Anaerobic sludge digestion and sludge dewatering are the most widely used sludge reduction treatment technologies. The release and utilization of the anaerobic digestion and hydrolysis stage are limited to a certain extent; the water contained in the sludge includes the water in the sludge floc gap (interstitial water) and the water in the capillary action between the sludge particles (capillary water). ), the water adsorbed on the surface of the sludge particles (adsorbed water), and the internal bound water with chemical bonds between the sludge particles. Conventional mechanical dewatering can only remove the interstitial water and part of the capillary water in the sludge, and the dewatering effect is poor. Therefore, it is necessary to perform wall-breaking digestion on the excess sludge, so that the sludge flocs and cell walls (membranes) are broken, and the organic components in the cells are transferred to the liquid phase, thereby improving the effect of anaerobic digestion and dehydration.

Therefore, it is necessary to propose a low-temperature plasma device for wall-breaking digestion of excess sludge to solve the above problems.

SUMMARY OF THE INVENTION

A series of concepts in simplified form have been introduced in the Summary section, which are described in further detail in the Detailed Description section. The Summary of the Invention section of the present invention is not intended to attempt to limit the key features and essential technical features of the claimed technical solution, nor is it intended to attempt to determine the protection scope of the claimed technical solution.

The invention provides a low-temperature plasma device for wall-breaking digestion of excess sludge, comprising:

a box body, the box body is provided with a mud inlet and a mud outlet, and the box body is arranged obliquely, so that the residual sludge flows from the mud inlet to the mud outlet under the action of gravity;

A plasma generating unit includes a plasma generating power source and a high-voltage electrode plate and a low-voltage electrode plate connected to the plasma generating power source, the high-voltage electrode plate and the low-voltage electrode plate are arranged in parallel in the box, so that the A plasma generating space is formed between the high-voltage electrode plate and the low-voltage electrode plate, and the excess sludge flows through the plasma generating space;

an air intake unit, including a blower and an air inlet and an air outlet provided on the box body, for supplying air to the plasma generating space to generate plasma;

An automatic feedback control unit, including a detection device and a controller, for controlling the inclination angle of the box and/or the operating parameters of the plasma generating unit and/or the operating parameters of the air intake unit based on the results fed back by the detection device .

Further, the device further includes a box body fixing device for fixing the box body and adjusting the inclination angle of the box body, and the box body fixing device further includes:

a rotatable support plate, the box body is fixed on the rotatable support plate;

A lifting device connected to the rotatable support plate, and when the lifting device is raised or lowered, the inclination angle of the rotatable support plate and the box is changed.

Further, the surfaces of the high-voltage electrode plate and the low-voltage electrode plate are covered with a blocking medium, and the excess sludge is in direct contact with the blocking medium.

Further, the surface of the blocking medium is provided with an adjustable fender for controlling the flow rate of the excess sludge in the plasma generating space.

Further, the surface of the blocking medium is further provided with a wind baffle plate, and the wind baffle plate is located between the air inlet and the air outlet to increase the degree of turbulence of the air flow.

Further, the windshield includes an adjustable Z-shaped windshield, and the length of the Z-shaped windshield can be adjusted by adjusting the folding degree of the Z-shaped windshield, when the Z-shaped windshield extends to At the maximum length, the Z-shaped wind deflector is in the shape of "I".

Further, an adjustable support frame is also provided between the high-voltage electrode plate and the low-voltage electrode plate for adjusting the distance between the high-voltage electrode plate and the low-voltage electrode plate.

Further, the automatic feedback control unit is also used to control the slit width of the adjustable fender, and/or the length of the Z-shaped windshield, and/or the distance of the adjustable support frame.

Further, the plasma generating unit includes a high-voltage electrode plate and two low-voltage electrode plates, and the two low-voltage electric electrode plates are respectively located on both sides of the high-voltage electrode plate.

Further, the flow direction of the excess sludge is opposite to the flow direction of the air.

Further, the box body is provided with an observation port for observing the inside of the box body from outside the box body.

According to the low-temperature plasma device for the wall-breaking digestion of excess sludge provided by the present invention, by arranging the device box obliquely, the excess sludge flows from the mud inlet to the mud outlet under the action of gravity, and the excess sludge is realized. continuous processing without adding additional energy consumption, and through the automatic feedback control unit based on real-time monitoring and control of the outlet sludge to adjust the inclination angle of the box and/or the operating parameters of the plasma generating unit and/or the air intake unit It realizes intelligent automatic continuous treatment of excess sludge.

Description of drawings

The following drawings of the present invention are incorporated herein as a part of the present invention for understanding of the present invention. The accompanying drawings illustrate embodiments of the present invention and their description, which serve to explain the principles of the present invention.

In the attached picture:

FIG. 1 is a schematic structural diagram of a low-temperature plasma device for wall-breaking digestion of excess sludge according to an exemplary embodiment of the present invention.

reference number

1. Lifting equipment 2. Rotatable support plate

3. Box 4. Mud inlet control valve

5. Plasma generation power supply 6. Sludge feeding hopper

7. Mud inlet 8. Air outlet

9. Adjustable fenders 10. Observation port

11. Wind deflector 12. Blocking medium

13. High voltage electrode plate 14. Low voltage electrode plate

15. Adjustable support frame 16. Air inlet

17, blower 18, mud deflector

19. Sludge outlet 20. Sludge discharge pipe

21. Testing equipment 22. Sludge collection bin

Detailed ways

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other instances, some technical features known in the art have not been described in order to avoid obscuring the present invention.

It should be understood that the present invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. The same reference numbers refer to the same elements throughout.

It will be understood that when an element or layer is referred to as being "on," "adjacent to," "connected to," or "coupled to" other elements or layers, it can be directly on the other elements or layers Layers may be on, adjacent to, connected or coupled to other elements or layers, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly adjacent to," "directly connected to," or "directly coupled to" other elements or layers, there are no intervening elements or layers present. Floor. It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention.

Spatial relational terms such as "under", "below", "below", "under", "above", "above", etc., in It may be used herein for convenience of description to describe the relationship of one element or feature to other elements or features shown in the figures. It should be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation shown in the figures. For example, if the device in the figures is turned over, then elements or features described as "below" or "beneath" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "below" and "under" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the/the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the terms "compose" and/or "include", when used in this specification, identify the presence of stated features, integers, steps, operations, elements and/or components, but do not exclude one or more other The presence or addition of features, integers, steps, operations, elements, parts and/or groups. As used herein, the term "and/or" includes any and all combinations of the associated listed items.

For a thorough understanding of the present invention, detailed steps and detailed structures will be proposed in the following description to explain the technical solutions proposed by the present invention. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.

The existing plasma technologies and equipment have the following technical problems when dealing with excess sludge: (1) Most of the existing plasma technologies and equipment are used for batch and batch treatment when dealing with excess sludge, and it is difficult to achieve low-energy (2) When the existing plasma technology and equipment process excess sludge, the sludge is either in a static state or needs to be stirred under the premise of providing external energy, and the former is limited in breaking the wall. And the operation cannot be continuous, and the latter needs to consume extra energy; (3) When the existing plasma technology and equipment process excess sludge, the gaseous substances are basically inhaled by the fan, and leave after passing through the reaction area. The degree of turbulence of the gaseous substances It is relatively low, and the contact and reaction with the sludge are not complete; (4) When the existing plasma technology and equipment are used to process excess sludge, the operating parameters cannot be adjusted in real time according to the change of the feeding situation, resulting in unstable treatment effect of the equipment and out-gassing. Mud does not reach the preset processing effect.

In view of the above technical problems, the present invention provides a low-temperature plasma device for wall-breaking digestion of excess sludge, as shown in FIG. 1 , including:

The box 3 is provided with a mud inlet 7 and a mud outlet 19, and the box 3 is arranged obliquely so that the excess sludge flows from the mud inlet 7 to the mud outlet 19;

The plasma generating unit includes a plasma generating power source 5 and a high-voltage electrode plate 13 and a low-voltage electrode plate 14 connected to the plasma-generating power source 5. The high-voltage electrode plate 13 and the low-voltage electrode plate 14 are in the box body 3 are arranged in parallel to form a plasma generating space between the high-voltage electrode plate 13 and the low-voltage electrode plate 14, and the excess sludge flows through the plasma generating space;

an air intake unit, including a blower 17 and an air inlet 16 and an air outlet 8 provided on the box body, for supplying air to the plasma generating space to generate plasma;

An automatic feedback control unit, including a detection device and a controller, for controlling the inclination angle of the box 3 and/or the operating parameters of the plasma generating unit and/or the operation of the air intake unit based on the results fed back by the detection device parameter.

In at least one embodiment, the activated sludge process is the most common biological treatment technology in sewage treatment technology, which utilizes microorganisms in sludge to remove organic matter and the like in sewage. The biochemical reaction in the aeration tank makes the microorganisms proliferate. In order to maintain the stable operation of the activated sludge system, the proliferated microorganisms need to be discharged from the secondary sedimentation tank, and the discharged sludge is called excess sludge. It is mainly composed of four parts: active microorganisms, microbial self-oxidative residues, organic and inorganic substances that have not been degraded or are difficult to degrade on the surface of activated sludge.

Based on the characteristics of the fluidity of the excess sludge itself, the present invention realizes the removal of excess sludge by arranging the low-temperature plasma device (box) obliquely, so that the excess sludge flows from the mud inlet to the mud outlet under the action of gravity. Continuous treatment without additional energy consumption. Compared with the system in which the sludge is processed batch by batch in a static state, it has advantages such as continuous treatment. Compared with the system of sludge transportation through conveyor belts or pipelines, it has the Advantages such as low consumption.

Exemplarily, the low-temperature plasma device provided by the present invention further includes a box body fixing device for fixing the box body and adjusting the inclination angle of the box body.

In at least one embodiment, the box body fixing device includes any fixing device capable of keeping the box body 3 in an inclined state, and the inclination angle of the box body 3 ranges from 5° to 65°. The inclination angle of 3 can be fixed or adjustable, preferably, the inclination angle of the box body 3 is adjustable.

Further, the box body fixing device includes:

A rotatable support plate 2, the box body 3 is fixed on the rotatable support plate 2;

Lifting device 1, which is connected to the rotatable support plate 2, changes the tilt of the rotatable support plate 2 and the box 3 when the lifting device 1 is raised or lowered angle.

In at least one embodiment, the rotatable support plate 2 and the box body 3 are fixedly connected, and there is no relative position change between the two. 1, one end of the rotatable support plate 2 is fixed on the installation platform (for example, the ground) or in contact with the installation platform; one end of the lifting device 1 is fixed on the installation platform, and the other end is fixedly connected with the rotatable support plate 2 . It should be noted that the connection point between the lifting device 1 and the rotatable support plate 2 is different from the contact point between the rotatable support plate 2 and the installation platform. Preferably, the connection point between the lifting device 1 and the rotatable support plate 2 is the midpoint of the rotatable support plate 2.

In at least one embodiment, when the lifting device 1 is raised, the inclination angle of the box body 3 relative to the installation platform increases, and the flow speed of the excess sludge in the box body 3 increases; when the lifting device 1 is lowered , the flow velocity of the excess sludge in the tank 3 is reduced.

In at least one embodiment, the automatic feedback control unit may control the inclination angle of the box body 3 based on the result fed back by the detection device. Specifically, the automatic feedback control unit adjusts the height of the lifting equipment 1, and when the sludge detection result is not up to standard, the height of the lifting equipment 1 is lowered, and the wall-breaking and digestion time of the excess sludge in the box 3 is prolonged. When the detection result reaches the standard, keep the inclination angle of the box 3 to keep the device running, or raise the height of the hoisting equipment 1 to shorten the wall-breaking and digestion time of the excess sludge in the box 3 and improve the reaction efficiency.

Exemplarily, the plasma generating unit includes a high-voltage electrode plate 13 and two low-voltage electrode plates 14 , and the two low-voltage electrode plates 14 are located on two sides of the high-voltage electrode plate 13 respectively.

In at least one embodiment, the plasma is an ionized gas-like substance composed of atoms deprived of some electrons and positive and negative ions generated by ionization of atomic groups, and is electrically neutral as a whole. Low Temperature Plasma Technology is a hybrid advanced oxidation technology that integrates light, electricity and chemical oxidation. The plasma produces excited atoms, molecules, high-energy electrons and other highly active particles, H ₂ O ₂ , O ₃ molecules, and strong oxidizing free radicals such as ·H, ·O, and ·OH during the discharge process, and also accompanied by ultraviolet light. Physicochemical effects such as radiation, shock waves, and hydroelectric cavitation. Under the combined action of active substances and physicochemical effects, the cell wall or cell membrane is cleaved, and intracellular water and organic matter are released into the liquid phase, which is beneficial to subsequent dehydration or anaerobic digestion.

In at least one embodiment, as shown in FIG. 1 , one high-voltage electrode plate 13 is arranged in the middle of the box body 3 , and two low-voltage electrode plates 14 are arranged at the top and bottom of the box body 3 , respectively. In this way, two plasma generating spaces are formed in the box 3 , which enlarges the area of plasma reaction, and can double the treatment amount of excess sludge under the condition of consuming the same electric energy.

In at least one embodiment, by arranging the high-voltage electrode plates 13 and the low-voltage electrode plates 14 alternately, a plurality of parallel plasma generating spaces can be formed, which increases the processing capacity of excess sludge and improves the processing efficiency.

Exemplarily, the surfaces of the high-voltage electrode plate 13 and the low-voltage electrode plate 14 are covered with a blocking medium 12 , and the excess sludge is in direct contact with the blocking medium 12 .

In at least one embodiment, the blocking medium 12 is an insulating material, preferably, the blocking medium 12 is a smooth oleophobic and hydrophobic material, so as to facilitate the smooth discharge of excess sludge and reduce silting.

In at least one embodiment, the automatic feedback control unit may control the operating parameters of the plasma generating unit based on the results fed back by the detection device. Specifically, the automatic feedback control unit adjusts the voltage and power of the plasma generating power supply, and when the sludge detection result is not up to standard, increases the voltage and power of the plasma generating power supply, and strengthens the wall-breaking digestion of the excess sludge in the box 3 , when the sludge detection result reaches the standard, keep the plasma generating unit running, or reduce the voltage and power of the plasma generating power supply, and weaken the wall-breaking digestion of the excess sludge in the box 3 .

Exemplarily, an adjustable support frame 15 is further provided between the high-voltage electrode plate 13 and the low-voltage electrode plate 14 for adjusting the distance between the high-voltage electrode plate 13 and the low-voltage electrode plate 14 .

In at least one embodiment, the automatic feedback control unit may control the distance of the adjustable support frame 15 based on the feedback result of the detection device.

In at least one embodiment, the position of the high voltage electrode plate 13 is kept unchanged, and the length of the adjustable support frame 15 is shortened or extended, so that the low voltage electrode plate 14 is close to or away from the high voltage electrode plate 13 .

In at least one embodiment, the surface of the box body 3 is further provided with one or more observation ports 10 for observing the inside of the low temperature plasma device.

Exemplarily, at least one mud inlet 7 and at least one mud outlet 19 need to be provided for each of the above-mentioned plasma generating spaces.

In at least one embodiment, the mud inlet 7 is arranged on the side wall of the box body 3 . In order to make the excess sludge flow under the action of gravity, the mud inlet 7 is arranged on the side wall of the box body 3 at a higher position. The mud inlet 7 is connected with the sludge feeding hopper 6, and a mud feeding regulating valve 4 is also provided at the mud feeding port 7 and the sludge feeding hopper 6 to adjust the feeding speed of the excess sludge.

In at least one embodiment, the mud outlet 19 is arranged on the side wall of the box body 3, and the mud outlet 19 and the mud inlet 7 are arranged on the opposite side wall of the box body 3. Therefore, the mud outlet 19 is arranged on the side wall of the box body 3. Body 3 is located on the lower side wall. In order to make the excess sludge flow into the mud outlet smoothly, a mud guide plate 18 may also be provided between the blocking medium 12 and the mud outlet 19, as shown in FIG. 1 . The sludge outlet 19 is connected with the sludge discharge pipe 20 to discharge the treated excess sludge into the sludge collection bin 22 . The end of the sludge discharge pipe 20 is provided with a detection device 21 for real-time monitoring of the indicators of the treated sludge, including but not limited to the moisture content of the sludge.

In the present invention, an automatic feedback control unit is arranged in the low-temperature plasma device, a sludge moisture content detection device is arranged at the sludge outlet, and an intelligent logic controller, control logic software and intelligent components (control motor, etc.) are integrated, and the like can be realized. Automatic control to make the treated sludge meet the preset parameters.

Exemplarily, the surface of the blocking medium 12 is provided with an adjustable fender 9 for controlling the flow rate of the excess sludge in the plasma generating space.

In at least one embodiment, the adjustable fender 9 is disposed on the upper surface of the high voltage electrode plate 13 and the low voltage electrode plate 14 at the bottom of the box 3, and the adjustable fender 9 is located between the mud outlet 19 and the inlet. Between mud mouth 7.

In at least one embodiment, the number of adjustable fenders 9 can be arranged as required. When the flow speed of excess sludge needs to be reduced, the number of adjustable fenders 9 is increased, and the flow speed of excess sludge needs to be increased. , reduce the number of adjustable fenders 9.

In at least one embodiment, a slit is left in the middle of the adjustable fender 9, and the flow speed of the excess sludge can be controlled by controlling the width of the slit. Specifically, the width of the slit is controlled by controlling the distance between the bottom baffle and the blocking medium.

In at least one embodiment, the automatic feedback control unit may control the slit width of the adjustable fender 9 based on the result fed back by the detection device. Specifically, when the sludge moisture content is lower than the preset value (or threshold), the automatic feedback control unit reduces the slit width of the adjustable fender, and when the sludge moisture content is higher than the preset value, the automatic feedback control unit The unit increases the slit width of the adjustable fender, and maintains the slit width of the adjustable fender when the moisture content of the sludge is approximately equal to the preset value.

Exemplarily, at least one air inlet 16 and at least one air outlet 8 need to be provided for each of the above-mentioned plasma generating spaces.

In at least one embodiment, the air inlet 16 is arranged on the side wall of the box body 3. In order to make the flow direction of the excess sludge opposite to the flow direction of the air, the air inlet 16 is arranged on the lower side of the box body 3. On the wall, that is, the air inlet 16 and the mud outlet 19 are arranged on the same side wall of the box body 3 . The air inlet 16 is connected with a blower 17, and the blower can adjust the air intake speed.

In at least one embodiment, the air outlet 8 is arranged on the side wall of the box body 3, and the air outlet 8 and the air inlet 16 are arranged on the opposite side wall of the box body 3. Therefore, the air outlet 8 is arranged at the position of the box body 3 On the higher side wall, that is, the air outlet 8 and the mud inlet 7 are arranged on the same side wall of the box body 3 .

In at least one embodiment, the automatic feedback control unit may control the air volume of the blower based on the result fed back by the detection device.

Exemplarily, the surface of the blocking medium 12 is provided with a wind baffle 11 for increasing the degree of turbulence of the airflow.

In at least one embodiment, the wind shield 11 is disposed on the lower surface of the high voltage electrode plate 13 and the low voltage electrode plate 14 located on the top of the box 3, and the wind shield 11 is located between the air inlet 16 and the lower surface of the low pressure electrode plate 14. between the air outlets 8.

In at least one embodiment, the number of the wind deflectors 11 can be arranged as required. When the turbulence degree of the gas needs to be enhanced, the number of the wind deflectors 11 is increased, and when the turbulence degree of the gas needs to be weakened, the number of the wind deflectors 11 is reduced. quantity.

In at least one embodiment, the windshield 11 includes an adjustable Z-shaped windshield, and the length of the Z-shaped windshield can be adjusted by adjusting the folding degree of the Z-shaped windshield. When the Z-shaped wind deflector is extended to the maximum length, the Z-shaped wind deflector is in the shape of "I".

In at least one embodiment, the automatic feedback control unit may control the length of the Z-shaped wind deflector based on the result fed back by the detection device.

In the present invention, an air intake unit is arranged in the low-temperature plasma device, so that the residual sludge is in contact with the gas during the flow, and the wall-breaking effect is enhanced. By arranging an adjustable windshield in the low temperature plasma device, the degree of turbulence of the gas can be enhanced, thereby enhancing the wall-breaking and digestion of sludge.

In at least one embodiment, when the low-temperature plasma device is running, the sludge inlet regulating valve 4 is first opened to allow excess sludge to flow into the device, then the blower 17 is turned on to blow air, and the plasma generating power source 5 is turned on to generate plasma. The excess sludge flowing through the plasma generating space is monitored by the detection device 21 at the sludge outlet in real time to monitor the moisture content of the sludge. When the moisture content of the sludge is lower than the preset value (or threshold), the automatic feedback control unit controls the reduction The height of the lifting equipment 1, and/or increasing the voltage and power of the plasma generating power source 5, and/or decreasing the slit width of the adjustable fenders 9, and/or adjusting the air volume of the blower 17, and/or Adjust the length of the Z-shaped windshield; when the moisture content of the sludge is higher than the preset value (or threshold), the automatic feedback control unit controls to increase the height of the lifting equipment 1 and/or reduce the plasma generating power source 5. Voltage and power, and/or increase the slit width of the adjustable fender 9, and/or adjust the air volume of the blower 17, and/or adjust the length of the Z-shaped wind deflector; when the sludge moisture content is approximately equal to the preset value (or threshold), the low temperature plasma device continues to operate.

According to the low-temperature plasma device for the wall-breaking digestion of excess sludge provided by the present invention, by arranging the device box obliquely, the excess sludge flows from the mud inlet to the mud outlet under the action of gravity, and the excess sludge is realized. continuous processing without adding additional energy consumption, and through the automatic feedback control unit based on real-time monitoring and control of the outlet sludge to adjust the inclination angle of the box and/or the operating parameters of the plasma generating unit and/or the air intake unit It realizes intelligent automatic continuous treatment of excess sludge.

The present invention has been described by the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and description, and are not intended to limit the present invention to the scope of the described embodiments. In addition, those skilled in the art can understand that the present invention is not limited to the above-mentioned embodiments, and more variations and modifications can also be made according to the teachings of the present invention, and these variations and modifications all fall within the protection claimed in the present invention. within the range. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (11)

1. The utility model provides a low temperature plasma device for surplus sludge broken wall is cleared up, its characterized in that includes:

the sludge treatment device comprises a box body, a sludge inlet and a sludge outlet are formed in the box body, and the box body is obliquely arranged so that residual sludge flows from the sludge inlet to the sludge outlet under the action of gravity;

the plasma generation unit comprises a plasma generation power supply, a high-voltage electrode plate and a low-voltage electrode plate, wherein the high-voltage electrode plate and the low-voltage electrode plate are connected to the plasma generation power supply and are arranged in parallel in the box body so as to form a plasma generation space between the high-voltage electrode plate and the low-voltage electrode plate, and the residual sludge flows through the plasma generation space;

an air inlet unit including a blower and an air inlet and an air outlet provided on the cabinet, for supplying air to the plasma generation space to generate plasma;

and the automatic feedback control unit comprises a detection device and a controller and is used for controlling the inclination angle of the box body and/or the operation parameters of the plasma generation unit and/or the operation parameters of the air inlet unit based on the feedback result of the detection device.

2. The apparatus of claim 1, further comprising a case fixing means for fixing the case and adjusting an inclination angle of the case, the case fixing means further comprising:

the box body is fixed on the rotatable supporting plate;

a lifting device connected to the rotatable support plate, the lifting device changing an inclination angle of the rotatable support plate and the case when the lifting device is raised or lowered.

3. The apparatus of claim 1, wherein the surfaces of the high-voltage electrode plate and the low-voltage electrode plate are covered with a barrier medium, and the excess sludge is in direct contact with the barrier medium.

4. The apparatus of claim 3, wherein the surface of the blocking medium is provided with an adjustable fender for controlling a flow rate of the excess sludge in the plasma generating space.

5. The device of claim 4, wherein the surface of the blocking medium is further provided with a wind deflector located between the air inlet and the air outlet for increasing the degree of turbulence of the air flow.

6. The apparatus according to claim 5 wherein the wind deflector comprises an adjustable Z-shaped wind deflector, the length of the Z-shaped wind deflector being adjusted by adjusting the degree of folding of the Z-shaped wind deflector, the Z-shaped wind deflector being I-shaped when the Z-shaped wind deflector is extended to a maximum length.

7. The apparatus of claim 6, wherein an adjustable support is disposed between the high voltage electrode plate and the low voltage electrode plate for adjusting the distance between the high voltage electrode plate and the low voltage electrode plate.

8. The apparatus of claim 7, wherein the automatic feedback control unit is further configured to control a slit width of the adjustable fender, and/or a length of the Z-shaped wind deflector, and/or a distance of the adjustable support bracket.

9. The apparatus of claim 1, wherein the plasma generating unit comprises a high voltage electrode plate and two low voltage electrode plates, the two low voltage electrode plates being respectively located at both sides of the high voltage electrode plate.

10. The apparatus of claim 1, wherein the flow direction of the excess sludge is opposite to the flow direction of the air.

11. The apparatus of claim 1, wherein the housing is provided with a viewing port for viewing the interior of the housing from the exterior of the housing.

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