Full-quantification landfill leachate treatment equipment and method

Abstract

The invention relates to the technical field of landfill leachate treatment, in particular to full-quantification landfill leachate treatment equipment and method.The full-quantification landfill leachate treatment equipment comprises a first barrel and a discharge valve, and the discharge valve is arranged on the outer side wall of the first barrel in a communicating mode; the upper end and the lower end of the second barrel are rotationally installed on the inner side wall of the first barrel, the bottom end of the conveying barrel is communicated with the top end of the second barrel, the impeller is installed on the inner side wall of the conveying barrel, the filter screen is arranged on the upper portion of the second barrel, and the blades are arranged on the upper portion of the second barrel. The blades are installed on the lower portion of the inner side wall of the second barrel, the cleaning device is communicated with the interior of the second barrel and used for cleaning and discharging dirt in the second barrel, and the power device is arranged on the first barrel and used for providing power for rotation of the second barrel; the percolate separation efficiency of the filter screen is improved, the convenience of automatic cleaning of filtered dirt is improved, and the cleaning and maintenance complexity of equipment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of landfill leachate treatment, and in particular to a fully quantitative landfill leachate treatment device and method. Background Art

[0002] Leachate refers to the water contained in the garbage itself in the landfill and the water produced by biochemical reactions during the garbage stacking process. This high-concentration organic wastewater can cause great pollution to the soil and ecological environment. Therefore, the fully quantitative leachate treatment equipment and method aims to remove harmful substances in the leachate through effective treatment means, achieve harmless treatment, and meet emission standards.

[0003] Currently, in the existing garbage leachate treatment equipment, such as the patent with authorization announcement number CN213895468U, the utility model discloses a garbage transfer station garbage leachate treatment equipment, including a base plate, a collecting box is fixedly connected to the left side of the top of the base plate, a regulating box is fixedly connected to the left side of the top of the base plate and on the right side of the collecting box, the top of the regulating box is fixedly connected to a shell, the top of the inner cavity of the shell is provided with a driving device, and the top of the base plate is provided with a conveying device.

[0004] However, during the use of the equipment, it was found that the efficiency of the equipment in filtering the leachate was low, and the filtered dirt was not easy to be automatically discharged and cleaned, which reduced the convenience of use and increased the complexity of equipment maintenance. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a fully quantitative garbage leachate treatment equipment and method which can improve the separation efficiency of the filter net for leachate, improve the convenience of automatic cleaning of filtered dirt, and reduce the complexity of cleaning and maintenance of the equipment.

[0006] The invention provides a fully quantitative garbage leachate treatment equipment, comprising a first cylinder and a discharge valve, wherein the discharge valve is connected and arranged on the outer wall of the first cylinder; further comprising a cleaning device, a power device, a conveying device, a second cylinder, a conveying cylinder, an impeller, a filter screen and blades, wherein the upper and lower ends of the second cylinder are rotatably mounted on the inner wall of the first cylinder, the bottom end of the conveying cylinder is connected with the top end of the second cylinder, the impeller is mounted on the inner wall of the conveying cylinder, the filter screen is arranged on the upper part of the second cylinder, the blades are mounted on the lower part of the inner wall of the second cylinder, the cleaning device is communicated with the second cylinder, the cleaning device is used to clean and discharge the dirt in the second cylinder, the power device is arranged on the first cylinder, the power device is used to provide power for the rotation of the second cylinder, and the power device is used to provide power for the cleaning device, the top end of the conveying cylinder is connected with the conveying device, and the conveying device is used to convey the leachate; the leachate is conveyed to the inside of the conveying cylinder by the conveying device, and the leachate is conveyed to the inside of the conveying cylinder by the conveying cylinder. The leachate is transported to the interior of the second cylinder, and then filtered through the filter screen, so that the filtered leachate flows into the interior of the first cylinder, and then discharged outwardly through the discharge valve for further processing. The filtered dirt is deposited on the inner wall of the filter screen, and the second cylinder is driven to rotate by the power device, so that the second cylinder drives multiple groups of blades to move circumferentially, so that the multiple groups of blades centrifugally stir the leachate in the second cylinder, so that the filter screen centrifugally separates the leachate, and at the same time, the second cylinder drives the impeller to rotate through the conveying cylinder, and the impeller squeezes and transports the leachate to the interior of the second cylinder after rotation, thereby improving the separation efficiency of the filter screen for the leachate, when the second cylinder drives the filter screen to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter screen, and then the cleaning device is powered by the power device, so that the cleaning device absorbs the scraped dirt, thereby improving the convenience of automatic cleaning of filtered dirt and reducing the complexity of cleaning and maintenance of the equipment.

[0007] Preferably, the cleaning device includes an air suction device, a control device, a suction pipe, multiple groups of collecting tanks, a kit, a third cylinder, a fourth cylinder and a first connecting pipe, the upper part of the suction pipe extends into the second cylinder, the multiple groups of collecting tanks are connected and arranged on the upper part of the outer wall of the suction pipe, and the multiple groups of collecting tanks are in contact with the inner wall of the filter screen, the kit is rotatably installed at the bottom of the first cylinder, the top of the kit is connected to the bottom end of the second cylinder, and the lower part of the suction pipe passes through the kit, the bottom of the suction pipe is fixedly installed on the outer wall of the first cylinder, the third cylinder is provided with an air suction device, the air suction device is used to suck air into the third cylinder, the third cylinder is connected with the fourth cylinder through the control device, the control device is used to automatically control the third cylinder to suck the fourth cylinder, the fourth cylinder is connected with the first connecting pipe, the input end of the first connecting pipe is rotatably connected to the bottom end of the suction pipe and is connected During the rotation of the filter screen, the dirt attached to the inner wall of the filter screen is scraped off and collected through the collecting groove, and the suction device is powered by the power device, so that the equipment filters the leachate and sucks air into the third cylinder at the same time, so that a negative pressure state is formed in the third cylinder. When the negative pressure in the third cylinder reaches the set pressure, the control device automatically connects the third cylinder with the fourth cylinder, so that the third cylinder sucks the fourth cylinder, and the fourth cylinder sucks the suction pipe through the first connecting pipe, and then the suction pipe sucks the dirt collected in the multiple collection grooves, and the sucked dirt is transported to the fourth cylinder for storage. When the negative pressure in the third cylinder is reduced, the control device automatically closes the third cylinder and the fourth cylinder, so as to facilitate the next suction cleaning, thereby improving the convenience of automatic and timed cleaning of the dirt in the second cylinder.

[0008] Preferably, the control device includes a first piston, a magnet, a push rod, a first spring, a fifth cylinder, a second piston, a support, a second spring and a second connecting pipe. The first piston is slidably arranged on the inner wall of the third cylinder, the magnet is installed on the inner wall of the third cylinder, the top end of the push rod is connected to the bottom end of the first piston, the bottom end of the push rod slides out of the third cylinder, the first spring is fitted on the outer wall of the push rod, the fifth cylinder is connected and arranged on the outer wall of the third cylinder, the second piston is slidably arranged inside the fifth cylinder, the upper part of the support slides into the fifth cylinder, and the top end of the support is connected to the bottom end of the second piston, the lower part of the support is arranged below the push rod, the second spring is fitted on the outer wall of the support, the output end of the second connecting pipe is connected to the fifth cylinder, and the input end of the second connecting pipe is connected to the fourth cylinder; the air is continuously sucked into the third cylinder by the air suction device, so that the first piston drives the push rod to continuously move downward When the first piston moves downward, the push rod pushes the support member to move downward. When the first piston moves downward to the position of the magnet, the first piston is adsorbed and limited by the magnet. At this time, the bottom end of the push rod pushes the support member to move downward to the set position, so that the second piston opens the connecting port between the third cylinder and the fifth cylinder, so that the third cylinder sucks air into the fourth cylinder through the fifth cylinder and the second connecting pipe, so that the dirt in the second cylinder is cleaned and discharged. When the pressure in the third cylinder is reduced, the first spring provides an upward driving force to the first piston, so that the first piston moves upward and resets, and at the same time, the second piston is pushed upward and reset by the second spring, so that the fifth cylinder is disconnected from the third cylinder, and the reciprocating cycle is repeated, so that it is convenient to automatically suck air into the fourth cylinder after the set pressure is reached in the third cylinder, so as to facilitate the regular cleaning of dirt in the second cylinder and reduce the complexity of personnel maintenance.

[0009] Preferably, the air intake device includes a sixth cylinder, a second piston, a first one-way valve, a second one-way valve, a connecting rod and a first gear. The second piston is slidably arranged inside the sixth cylinder. The first one-way valve and the second one-way valve are respectively connected and arranged on the outer wall of the second piston. The first one-way valve is connected to the third cylinder. The end of the connecting rod is rotationally connected to the second piston. The other end of the connecting rod is rotationally connected to the first gear, and the first gear is rotationally installed at the bottom of the first cylinder. The first gear is driven to rotate by the power device, so that the first gear drives the second piston to slide reciprocatingly through the connecting rod, so that the second piston inhales air into the third cylinder through the first one-way valve, thereby improving the linkage effect of the equipment and reducing the operating energy consumption of the equipment.

[0010] Preferably, the power device includes a gear ring, a motor and a second gear, the gear ring is mounted on the outer wall of the kit and is meshed with the first gear, the motor is mounted on the outer wall of the first cylinder, the second gear is arranged on the output end of the motor, and the second gear is meshed with the gear ring; the motor drives the second gear to rotate, and the second gear drives the kit to rotate through the engagement with the gear ring, so that the kit drives the second cylinder to rotate, and at the same time the gear ring drives the first gear to rotate.

[0011] Preferably, it also includes an inlet valve, a box body and a drain valve, the inlet valve is connected and arranged on the first cylinder body, the box body is installed on the top of the first cylinder body, and the conveying cylinder rotates through the interior of the box body, the conveying cylinder is provided with a discharge port, the discharge port is communicated with the box body, and the drain valve is connected and arranged on the outer wall of the box body; the discharge valve is closed and the inlet valve and the drain valve are opened, clean water is conveyed to the interior of the first cylinder body through the inlet valve, and then the filter net is backwashed with clean water, the backwashing water is conveyed to the interior of the box body through the conveying cylinder, and then the backwashing water is discharged through the drain valve, so as to improve the cleaning effect of the filter net.

[0012] Preferably, the conveying device includes a conveying box and a stop valve, the conveying box is installed at the top of the first cylinder, the stop valve is connected to the bottom of the conveying box, and the output end of the stop valve is rotationally connected and communicated with the top of the conveying cylinder; the leachate is conveyed to the inside of the conveying box, and then the leachate is conveyed to the conveying cylinder through the stop valve, thereby improving the convenience of leachate transportation and discharge.

[0013] A fully quantitative landfill leachate treatment method of the present invention comprises the following steps:

[0014] S1. The landfill leachate first enters the regulating tank, which is equipped with a stirring device to prevent the precipitation of suspended matter. At the same time, an acid-base regulator is added to adjust the pH value of the leachate to an appropriate range;

[0015] S2. The leachate from the regulating tank enters the screen to remove the larger floating and suspended matter to prevent it from clogging the subsequent treatment equipment;

[0016] S3, the leachate passing through the grid is transported to the inside of the transport cylinder by the transport device, and then the leachate is transported to the inside of the second cylinder by the transport cylinder, and then the leachate is filtered through the filter screen, so that the filtered leachate flows into the inside of the first cylinder, and then discharged to the outside through the discharge valve for the next step of treatment, so as to further reduce the solid dirt in the leachate;

[0017] S4, the filtered dirt is deposited on the inner wall of the filter screen, and the second cylinder is driven to rotate by the power device, so that the second cylinder drives the multiple sets of blades to move circumferentially, so that the multiple sets of blades centrifugally stir the leachate in the second cylinder, and the filter screen centrifugally separates the leachate;

[0018] S5, when the second cylinder drives the filter to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter, and then the power device provides power to the cleaning device, so that the cleaning device absorbs the scraped dirt;

[0019] S6. The leachate discharged from the discharge valve enters the evaporator. The leachate flows in the heating tube of the evaporator. The outside of the tube provides a heating source for the steam compressed and heated by the compressor. The water in the leachate gradually vaporizes to form secondary steam. The secondary steam then rises to the vapor-liquid separator at the top of the evaporator for separation. As the evaporation proceeds, the concentration of pollutants in the leachate increases continuously to form a concentrated liquid.

[0020] S7, mixing the concentrated liquid discharged from the bottom of the evaporator with a curing agent, and converting it into a solid substance through a curing process;

[0021] S8. The solid blocks after solidification treatment are sent to a safe landfill for disposal.

[0022] Preferably, in S6, the secondary steam separated by the vapor-liquid separator at the top of the evaporator is transported to the condenser, heat exchanged with cooling water in the condenser, the steam is condensed into liquid water, and the condensed water is further treated by activated carbon adsorption and reverse osmosis deep purification process to improve the effect of secondary purification of leachate steam.

[0023] Preferably, in S1, the pH value of the filtrate is adjusted to 6-8.

[0024] Compared with the prior art, the present invention has the following beneficial effects: the leachate is transported to the inside of the transport cylinder by the transport device, the leachate is transported to the inside of the second cylinder by the transport cylinder, and then the leachate is filtered through the filter screen, so that the filtered leachate flows into the inside of the first cylinder, and then is discharged outwardly through the discharge valve for the next step of treatment, the filtered dirt is deposited on the inner wall of the filter screen, the second cylinder is driven to rotate by the power device, so that the second cylinder drives multiple groups of blades to move circumferentially, so that the multiple groups of blades centrifugally stir the leachate in the second cylinder, and the filter screen centrifugally separates the leachate, and at the same time, the second cylinder drives the impeller to rotate through the transport cylinder, and the impeller squeezes and transports the leachate to the inside of the second cylinder after rotation, thereby improving the separation efficiency of the filter screen for the leachate, when the second cylinder drives the filter screen to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter screen, and then the cleaning device is powered by the power device, so that the cleaning device absorbs the scraped dirt, thereby improving the convenience of automatic cleaning of filtered dirt and reducing the complexity of cleaning and maintenance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the axonometric structure of the present invention;

[0026] Figure 2It is a schematic diagram of the partial axonometric structure of the connection between the second cylinder and the filter screen, etc.;

[0027] Figure 3 It is a schematic diagram of the partial isometric structure of the connection between the third cylinder and the first piston;

[0028] Figure 4 It is a schematic diagram of the axonometric partial structure of the connection between the conveying box and the stop valve, etc.;

[0029] Figure 5 It is a schematic diagram of the partial axonometric structure of the connection between the first cylinder and the water inlet valve, etc.;

[0030] Figure 6 It is a schematic diagram of the partial structure of the axonometric view of the connection between the sixth cylinder and the second piston;

[0031] Figure 7 It is a schematic diagram of the partial isometric structure of the connection between the fifth cylinder and the second piston;

[0032] Figure 8 is an axonometric partial structural diagram of the connection between the connecting rod and the first gear, etc.;

[0033] Fig. 9 is an axonometric partial structural diagram of the connection between the sixth cylinder and the first one-way valve, etc.;

[0034] Fig.10 It is an axonometric diagram of the partial structure of the connection between the conveying cylinder and the impeller.

[0035] Markings in the accompanying drawings: 101, first cylinder; 102, second cylinder; 103, conveying cylinder; 104, impeller; 105, filter screen; 106, blades; 107, discharge valve; 201, suction pipe; 202, collection tank; 203, kit; 204, third cylinder; 205, fourth cylinder; 206, first connecting pipe; 301, first piston; 302, magnet; 303, push rod; 304, first spring; 305, fifth cylinder ; 306, second piston; 307, support member; 308, second spring; 309, second connecting pipe; 401, sixth cylinder; 402, second piston; 403, first one-way valve; 404, second one-way valve; 405, connecting rod; 406, first gear; 501, gear ring; 502, motor; 503, second gear; 601, water inlet valve; 602, box body; 603, drain valve; 701, delivery box; 702, stop valve. DETAILED DESCRIPTION

[0036] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0037] Example 1

[0038] The invention discloses a fully quantitative garbage leachate treatment device, comprising a first cylinder 101 and a discharge valve 107, wherein the discharge valve 107 is connected and arranged on the outer wall of the first cylinder 101; and further comprising a cleaning device, a power device, a conveying device, a second cylinder 102, a conveying cylinder 103, an impeller 104, a filter screen 105 and a blade 106, wherein the upper and lower ends of the second cylinder 102 are rotatably mounted on the inner wall of the first cylinder 101, the bottom end of the conveying cylinder 103 is connected to the top end of the second cylinder 102, and the impeller 104 is mounted on the conveying cylinder 103. On the inner wall of 103, the filter screen 105 is arranged on the upper part of the second cylinder 102, the blades 106 are installed on the lower part of the inner wall of the second cylinder 102, the cleaning device is communicated with the second cylinder 102, and the cleaning device is used to clean and discharge the dirt in the second cylinder 102, the power device is arranged on the first cylinder 101, and the power device is used to provide power for the rotation of the second cylinder 102, and the power device is used to provide power for the cleaning device, and the top of the conveying cylinder 103 is communicated with the conveying device, and the conveying device is used to convey the leachate;

[0039] The cleaning device includes an air suction device, a control device, a suction pipe 201, multiple collection tanks 202, a kit 203, a third cylinder 204, a fourth cylinder 205 and a first connecting pipe 206. The upper part of the suction pipe 201 extends into the second cylinder 102, the multiple collection tanks 202 are connected and arranged on the upper part of the outer wall of the suction pipe 201, and the multiple collection tanks 202 are in contact with the inner wall of the filter 105. The kit 203 is rotatably installed at the bottom of the first cylinder 101, and the top of the kit 203 is connected to the bottom of the second cylinder 102, and The lower part of the suction pipe 201 passes through the kit 203, and the bottom of the suction pipe 201 is fixedly installed on the outer wall of the first cylinder 101. The third cylinder 204 is provided with an air suction device, which is used to suck air into the third cylinder 204. The third cylinder 204 is connected with the fourth cylinder 205 through the control device. The control device is used to automatically control the third cylinder 204 to suck the fourth cylinder 205. The fourth cylinder 205 is connected with the first connecting pipe 206, and the input end of the first connecting pipe 206 is rotatably connected and communicated with the bottom end of the suction pipe 201;

[0040] In this embodiment, the leachate is transported to the inside of the transport cylinder 103 by the transport device, and the leachate is transported to the inside of the second cylinder 102 by the transport cylinder 103, and then the leachate is filtered by the filter 105, so that the filtered leachate flows into the inside of the first cylinder 101, and then is discharged to the outside through the discharge valve 107 for the next step of processing, and the filtered dirt is deposited on the inner wall of the filter 105, and the second cylinder 102 is driven to rotate by the power device, so that the second cylinder 102 drives the multiple sets of blades 106 to move circumferentially, so that the multiple sets of blades 106 separate the leachate in the second cylinder 102 from the inside of the first cylinder 101. The centrifugal stirring causes the filter 105 to centrifugally separate the leachate, and at the same time, the second cylinder 102 drives the impeller 104 to rotate through the conveying cylinder 103. After the impeller 104 rotates, the leachate is squeezed and conveyed to the inside of the second cylinder 102, thereby improving the separation efficiency of the filter 105 for the leachate. When the second cylinder 102 drives the filter 105 to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter 105, and then the cleaning device is powered by the power device, so that the cleaning device absorbs the scraped dirt, thereby improving the convenience of automatic cleaning of filtered dirt and reducing the complexity of cleaning and maintenance of the equipment.

[0041] Example 2

[0042] On the basis of Example 1, a fully quantitative landfill leachate treatment device of the present invention is provided, wherein the control device comprises a first piston 301, a magnet 302, a push rod 303, a first spring 304, a fifth cylinder 305, a second piston 306, a support 307, a second spring 308 and a second connecting pipe 309, the first piston 301 is slidably arranged on the inner wall of the third cylinder 204, the magnet 302 is mounted on the inner wall of the third cylinder 204, the top end of the push rod 303 is connected to the bottom end of the first piston 301, the bottom end of the push rod 303 slides out of the third cylinder 204, and the first spring 304 extends out of the third cylinder 204. 304 is fitted on the outer wall of the push rod 303, the fifth cylinder 305 is connected and arranged on the outer wall of the third cylinder 204, the second piston 306 is slidably installed inside the fifth cylinder 305, the upper part of the support member 307 slides into the fifth cylinder 305, and the top end of the support member 307 is connected to the bottom end of the second piston 306, the lower part of the support member 307 is arranged below the push rod 303, the second spring 308 is fitted on the outer wall of the support member 307, the output end of the second connecting pipe 309 is connected to the fifth cylinder 305, and the input end of the second connecting pipe 309 is connected to the fourth cylinder 205;

[0043] The air suction device includes a sixth cylinder 401, a second piston 402, a first one-way valve 403, a second one-way valve 404, a connecting rod 405 and a first gear 406. The second piston 402 is slidably arranged inside the sixth cylinder 401. The first one-way valve 403 and the second one-way valve 404 are respectively connected and arranged on the outer side wall of the second piston 402. The first one-way valve 403 is connected to the third cylinder 204. The end of the connecting rod 405 is rotatably connected to the second piston 402. The other end of the connecting rod 405 is rotatably connected to the first gear 406. The first gear 406 is rotatably installed at the bottom of the first cylinder 101.

[0044] The power device includes a gear ring 501, a motor 502 and a second gear 503. The gear ring 501 is mounted on the outer wall of the sleeve 203 and meshes with the first gear 406. The motor 502 is mounted on the outer wall of the first cylinder 101. The second gear 503 is arranged on the output end of the motor 502 and meshes with the gear ring 501.

[0045] It also includes a water inlet valve 601, a box body 602 and a drain valve 603. The water inlet valve 601 is connected to the first cylinder body 101. The box body 602 is installed on the top of the first cylinder body 101. The delivery cylinder 103 rotates through the inside of the box body 602. The delivery cylinder 103 is provided with a discharge port, which is communicated with the inside of the box body 602. The drain valve 603 is connected to the outer wall of the box body 602.

[0046] The conveying device includes a conveying box 701 and a stop valve 702. The conveying box 701 is installed at the top of the first cylinder 101. The stop valve 702 is connected and arranged at the bottom of the conveying box 701. The output end of the stop valve 702 is rotatably connected and communicated with the top of the conveying cylinder 103.

[0047] In this embodiment, during the rotation of the filter screen 105, the dirt attached to the inner wall of the filter screen 105 is scraped off and collected through the collection groove 202, and the power device provides power to the suction device, so that the equipment filters the leachate while sucking air into the third cylinder 204, so that a negative pressure state is formed in the third cylinder 204. When the negative pressure in the third cylinder 204 reaches the set pressure, the control device automatically connects the third cylinder 204 with the fourth cylinder 205, so that the third cylinder 204 sucks the fourth cylinder 205, so that the fourth cylinder 205 passes through The first connecting pipe 206 sucks the inside of the suction pipe 201, so that the suction pipe 201 sucks the dirt collected in the multiple collection tanks 202, and the sucked dirt is transported to the fourth cylinder 205 for storage. When the negative pressure in the third cylinder 204 is reduced, the control device automatically closes the third cylinder 204 and the fourth cylinder 205, so as to facilitate the next suction cleaning, improve the convenience of automatic and regular cleaning of the dirt in the second cylinder 102, and continuously suck air into the third cylinder 204 through the suction device, so that the first piston 301 drives the push rod 303 to move downward continuously. After the push rod 303 moves downward, it pushes the support member 307 to move downward. When the first piston 301 moves downward to the position of the magnet 302, the first piston 301 is adsorbed and limited by the magnet 302. At this time, the bottom end of the push rod 303 pushes the support member 307 to move downward to the set position, so that the second piston 306 opens the connection between the third cylinder 204 and the fifth cylinder 305, so that the third cylinder 204 sucks air into the fourth cylinder 205 through the fifth cylinder 305 and the second connecting pipe 309, so that the dirt in the second cylinder 102 is cleaned When the pressure in the third cylinder 204 decreases, the first spring 304 provides an upward pushing force to the first piston 301, so that the first piston 301 moves upward and resets, and at the same time, the second spring 308 pushes the second piston 306 to move upward and reset, so that the fifth cylinder 305 is disconnected from the third cylinder 204, and this reciprocating cycle makes it easy to automatically suck air into the fourth cylinder 205 after the set pressure is reached in the third cylinder 204, so as to facilitate regular cleaning of dirt in the second cylinder 102 and reduce the complexity of personnel maintenance.

[0048] Example 3

[0049] A fully quantitative landfill leachate treatment method of the present invention comprises the following steps:

[0050] S1. The landfill leachate first enters the regulating tank, which is equipped with a stirring device to prevent the precipitation of suspended matter. At the same time, an acid-base regulator is added to adjust the pH value of the leachate to an appropriate range;

[0051] S2. The leachate from the regulating tank enters the screen to remove the larger floating and suspended matter to prevent it from clogging the subsequent treatment equipment;

[0052] S3, the leachate passing through the grid is transported to the inside of the transport cylinder 103 by the transport device, and the leachate is transported to the inside of the second cylinder 102 by the transport cylinder 103, and then the leachate is filtered by the filter 105, so that the filtered leachate flows into the inside of the first cylinder 101, and then discharged to the outside through the discharge valve 107 for the next step of treatment, so as to further reduce the solid dirt in the leachate;

[0053] S4, the filtered dirt is deposited on the inner wall of the filter screen 105, and the second cylinder 102 is driven to rotate by the power device, so that the second cylinder 102 drives the multiple sets of blades 106 to move circumferentially, so that the multiple sets of blades 106 centrifugally stir the leachate in the second cylinder 102, and the filter screen 105 centrifugally separates the leachate;

[0054] S5, when the second cylinder 102 drives the filter screen 105 to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter screen 105, and then the power device provides power to the cleaning device so that the cleaning device absorbs the scraped dirt;

[0055] S6. The leachate discharged from the discharge valve 107 enters the evaporator. The leachate flows in the heating tube of the evaporator. The outside of the tube provides a heating source for the steam compressed and heated by the compressor. The water in the leachate gradually vaporizes to form secondary steam. The secondary steam then rises to the vapor-liquid separator at the top of the evaporator for separation. As the evaporation proceeds, the concentration of pollutants in the leachate continues to increase to form a concentrated liquid.

[0056] S7, mixing the concentrated liquid discharged from the bottom of the evaporator with a curing agent, and converting it into a solid substance through a curing process;

[0057] S8. The solid blocks after solidification treatment are sent to a safe landfill for landfill disposal;

[0058] In S6, the secondary steam separated by the vapor-liquid separator at the top of the evaporator is transported to the condenser, heat exchanged with cooling water in the condenser, the steam is condensed into liquid water, and the condensed water is further treated by activated carbon adsorption and reverse osmosis deep purification process;

[0059] In S1, the pH value of the filtrate is adjusted to 6-8,

[0060] like Figures 1 to 10As shown, a fully quantitative garbage leachate treatment device and method of the present invention, when working, the leachate is transported to the inside of the transport cylinder 103 by the transport device, and the leachate is transported to the inside of the second cylinder 102 by the transport cylinder 103, and then the leachate is filtered by the filter 105, so that the filtered leachate flows into the inside of the first cylinder 101, and then discharged to the outside through the discharge valve 107 for the next step of treatment, and the filtered dirt is deposited on the inner wall of the filter 105, and the second cylinder 102 is driven to rotate by the power device, so that the second cylinder 1 02 drives multiple sets of blades 106 to move circumferentially, so that the multiple sets of blades 106 centrifugally stir the leachate in the second cylinder 102, and the filter screen 105 centrifugally separates the leachate. At the same time, the second cylinder 102 drives the impeller 104 to rotate through the conveying cylinder 103. After the impeller 104 rotates, the leachate is squeezed and conveyed to the inside of the second cylinder 102. When the second cylinder 102 drives the filter screen 105 to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter screen 105, and then the cleaning device is powered by the power device, so that the cleaning device absorbs the scraped dirt.

[0061] The main functions achieved by the present invention are: the filter screen 105 centrifugally separates the leachate, and at the same time, the second cylinder 102 drives the impeller 104 to rotate through the conveying cylinder 103, and the impeller 104 squeezes and conveys the leachate to the inside of the second cylinder 102 after the rotation, thereby improving the separation efficiency of the filter screen 105 on the leachate;

[0062] The convenience of automatically and regularly cleaning the dirt in the second cylinder 102 is improved.

[0063] The motor 502 of the fully quantitative landfill leachate treatment equipment and method of the present invention is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technical personnel in the field to make creative efforts.

[0064] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A fully quantitative landfill leachate treatment device, comprising a first cylinder (101) and a discharge valve (107), wherein the discharge valve (107) is arranged on the outer wall of the first cylinder (101) in a communication manner; characterized in that: The invention also comprises a cleaning device, a power device, a conveying device, a second cylinder (102), a conveying cylinder (103), an impeller (104), a filter screen (105) and blades (106); the upper and lower ends of the second cylinder (102) are rotatably mounted on the inner wall of the first cylinder (101); the bottom end of the conveying cylinder (103) is connected to the top end of the second cylinder (102); the impeller (104) is mounted on the inner wall of the conveying cylinder (103); the filter screen (105) is arranged on the inner wall of the second cylinder (102); ) at the upper part, the blades (106) are installed at the lower part of the inner wall of the second cylinder (102), the cleaning device is communicated with the second cylinder (102), and the cleaning device is used to clean and discharge the dirt in the second cylinder (102), the power device is arranged on the first cylinder (101), the power device is used to provide power for the rotation of the second cylinder (102), and the power device is used to provide power for the cleaning device, the top end of the conveying cylinder (103) is communicated with the conveying device, and the conveying device is used to convey the leachate.

2. A fully quantitative landfill leachate treatment device as claimed in claim 1, characterized in that: The cleaning device comprises an air suction device, a control device, a suction pipe (201), a plurality of collection tanks (202), a set (203), a third cylinder (204), a fourth cylinder (205) and a first connecting pipe (206); the upper portion of the suction pipe (201) extends into the second cylinder (102); the plurality of collection tanks (202) are connected and arranged at the upper portion of the outer wall of the suction pipe (201); the plurality of collection tanks (202) are in contact with the inner wall of the filter screen (105); the set (203) is rotatably mounted on the bottom of the first cylinder (101); the top end of the set (203) is connected to the bottom end of the second cylinder (102); The lower part of the suction pipe (201) passes through the kit (203), and the bottom of the suction pipe (201) is fixedly mounted on the outer wall of the first cylinder (101). The third cylinder (204) is provided with an air suction device, which is used to suck air into the third cylinder (204). The third cylinder (204) is connected to the fourth cylinder (205) through a control device, and the control device is used to automatically control the third cylinder (204) to suck air into the fourth cylinder (205). The fourth cylinder (205) is connected to the first connecting pipe (206), and the input end of the first connecting pipe (206) is rotatably connected and communicated with the bottom end of the suction pipe (201).

3. A fully quantitative landfill leachate treatment device as claimed in claim 2, characterized in that: The control device comprises a first piston (301), a magnet (302), a push rod (303), a first spring (304), a fifth cylinder (305), a second piston (306), a support member (307), a second spring (308) and a second connecting pipe (309). The first piston (301) is slidably arranged on the inner wall of the third cylinder (204) up and down, the magnet (302) is mounted on the inner wall of the third cylinder (204), the top end of the push rod (303) is connected to the bottom end of the first piston (301), the bottom end of the push rod (303) slides out of the outside of the third cylinder (204), the first spring (304) is fitted on the push rod (303) and the push rod (303) is connected to the bottom end of the first piston (301). ) on the outer wall, the fifth cylinder (305) is connected and arranged on the outer wall of the third cylinder (204), the second piston (306) is slidably installed in the fifth cylinder (305), the upper part of the support member (307) slides into the fifth cylinder (305), and the top end of the support member (307) is connected to the bottom end of the second piston (306), the lower part of the support member (307) is arranged below the push rod (303), the second spring (308) is fitted on the outer wall of the support member (307), the output end of the second connecting pipe (309) is connected to the fifth cylinder (305), and the input end of the second connecting pipe (309) is connected to the fourth cylinder (205).

4. A fully quantitative landfill leachate treatment device as claimed in claim 2, characterized in that: The air suction device includes a sixth cylinder (401), a second piston (402), a first one-way valve (403), a second one-way valve (404), a connecting rod (405) and a first gear (406). The second piston (402) is slidably arranged inside the sixth cylinder (401). The first one-way valve (403) and the second one-way valve (404) are respectively connected and arranged on the outer wall of the second piston (402). The first one-way valve (403) is connected to the third cylinder (204). The end of the connecting rod (405) is rotationally connected to the second piston (402). The other end of the connecting rod (405) is rotationally connected to the first gear (406). The first gear (406) is rotationally installed at the bottom of the first cylinder (101).

5. The fully quantitative landfill leachate treatment equipment according to claim 1, characterized in that: The power device comprises a gear ring (501), a motor (502) and a second gear (503); the gear ring (501) is mounted on the outer wall of the kit (203), and the gear ring (501) is meshed with the first gear (406); the motor (502) is mounted on the outer wall of the first cylinder (101), the second gear (503) is arranged on the output end of the motor (502), and the second gear (503) is meshed with the gear ring (501).

6. The fully quantitative landfill leachate treatment equipment according to claim 1, characterized in that: The invention also comprises a water inlet valve (601), a box (602) and a drain valve (603); the water inlet valve (601) is arranged on the first cylinder (101) in communication; the box (602) is installed on the top of the first cylinder (101); the delivery cylinder (103) rotates through the interior of the box (602); a discharge port is arranged on the delivery cylinder (103), and the discharge port is communicated with the interior of the box (602); the drain valve (603) is arranged on the outer wall of the box (602) in communication.

7. The fully quantitative landfill leachate treatment equipment according to claim 1, characterized in that: The conveying device comprises a conveying box (701) and a stop valve (702), wherein the conveying box (701) is installed at the top end of the first cylinder (101), the stop valve (702) is connected and arranged at the bottom end of the conveying box (701), and the output end of the stop valve (702) is rotatably connected and communicated with the top end of the conveying cylinder (103).

8. A fully quantitative landfill leachate treatment method, characterized in that: The following steps are involved: S1. The landfill leachate first enters the regulating tank, which is equipped with a stirring device to prevent the precipitation of suspended matter. At the same time, an acid-base regulator is added to adjust the pH value of the leachate to an appropriate range; S2. The leachate from the regulating tank enters the screen to remove the larger floating and suspended matter to prevent it from clogging the subsequent treatment equipment; S3, the leachate passing through the grid is transported to the inside of the transport cylinder (103) through the transport device, and the leachate is transported to the inside of the second cylinder (102) through the transport cylinder (103), and then the leachate is filtered through the filter screen (105), so that the filtered leachate flows into the inside of the first cylinder (101), and then discharged to the outside through the discharge valve (107) for the next step of processing, so as to further reduce the solid dirt in the leachate; S4, the filtered dirt is deposited on the inner wall of the filter screen (105), and the second cylinder (102) is driven to rotate by a power device, so that the second cylinder (102) drives the plurality of blades (106) to move circumferentially, so that the plurality of blades (106) centrifugally stir the leachate in the second cylinder (102), and the filter screen (105) centrifugally separates the leachate; S5, when the second cylinder (102) drives the filter screen (105) to rotate, the cleaning device scrapes off the dirt attached to the inner wall of the filter screen (105), and then the power device provides power to the cleaning device so that the cleaning device absorbs the scraped dirt; S6, the leachate discharged from the discharge valve (107) enters the evaporator, the leachate flows in the heating tube of the evaporator, and the outside of the tube is the steam compressed and heated by the compressor to provide a heating source, and the water in the leachate gradually vaporizes to form secondary steam, and then the secondary steam rises to the vapor-liquid separator at the top of the evaporator for separation. As the evaporation proceeds, the concentration of pollutants in the leachate increases continuously to form a concentrated liquid; S7, mixing the concentrated liquid discharged from the bottom of the evaporator with a curing agent, and converting it into a solid substance through a curing process; S8. The solid blocks after solidification treatment are sent to a safe landfill for disposal.

9. A fully quantitative landfill leachate treatment method as claimed in claim 8, characterized in that: In S6, the secondary steam separated by the vapor-liquid separator at the top of the evaporator is transported to the condenser, where it exchanges heat with cooling water, the steam is condensed into liquid water, and the condensed water is further treated by activated carbon adsorption and reverse osmosis deep purification process.

10. A fully quantitative landfill leachate treatment method as claimed in claim 8, characterized in that: In S1, the pH value of the filtrate is adjusted to 6-8.

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