Active coke adsorption tower for wastewater treatment

Abstract

The utility model relates to the technical field of active coke adsorption in wastewater treatment, and discloses an active coke adsorption tower for wastewater treatment. According to the invention, the output end of the lift pump is provided with a water distribution pipeline, the output end of the water distribution pipeline is provided with an adsorption tank, one end of the adsorption tank is fixedly connected with a compressed air station, and one end of the adsorption tank is fixedly connected with a macro outflow toxic channel. The adsorber assembly, the converter, the backwashing device, the overflow device, the coke feeding device and the like are special devices for the process. Wherein the adsorber assembly integrates the functions of water distribution, coke extraction and backwashing, so that the equipment structure is simplified, the equipment efficiency and practicability are improved, and the operation difficulty is greatly reduced. The water distributor adopts an eight-claw structure, and the opening area and the mixing efficiency of the water distributor are comprehensively optimized, so that the water distribution is more uniform, short flow is avoided, and the adsorption effect is better.

Description

Technical Field

[0001] The present application belongs to the technical field of activated coke adsorption for wastewater treatment, and specifically relates to an activated coke adsorption tower for wastewater treatment. Background Art

[0002] An activated coke adsorption tower for wastewater treatment is a commonly used wastewater treatment equipment used to remove organic matter and other pollutants from wastewater. It uses the adsorption properties of activated coke fillers to adsorb pollutants in wastewater onto the surface of activated coke and discharge the treated water. The activated coke adsorption tower is suitable for treating industrial wastewater, wastewater from sewage treatment plants, and other wastewater that needs to remove organic matter.

[0003] For example, the publication number: N220300439U discloses a special quenching tower for quenching wastewater treatment. It includes a device body and a water storage tank. A water inlet is installed on the top of the device body, a packing layer is installed inside the device body, a filter is arranged below the isolation baffle, a ventilation pipe is installed on the upper part of the device body, and the water storage tank is installed at the bottom of the device body. A water pump, annular pipe 1 and a nozzle are connected above the water storage tank. An air pump, annular pipe 2 and a jet are installed at the bottom of the device body. The air pump pumps gas to the gas pipeline and then back-flushes the filter through annular pipe 2 and the jet, which can prevent impurities from getting stuck on the filter and ensure the filtration efficiency of the filter during the wastewater treatment process. The water pump draws water from the water storage tank through the nozzle to back-flush the filter, and the back-flushed wastewater is discharged and collected through the back-flushing outlet, which can increase the service life of the filter and ensure the efficiency of the quenching wastewater treatment.

[0004] However, the water distribution of the special quenching station for quenching wastewater treatment in the application is not uniform during use, which will cause short flow and thus result in poor adsorption effect. Utility Model Content

[0005] The purpose of the present application is to provide an activated coke adsorption tower for wastewater treatment in order to solve the above-mentioned problem of improving the adsorption effect.

[0006] The technical solution adopted in the present application is as follows: an activated coke adsorption tower for wastewater treatment, comprising a lifting pump, wherein the output end of the lifting pump is provided with a water distribution pipeline, the output end of the water distribution pipeline is provided with an adsorption tank, one end of the adsorption tank is fixedly connected to a compressed air station, and one end of the adsorption tank is fixedly connected to a macro external flow channel.

[0007] By adopting the above technical scheme, the adsorption tank in this process is designed with a flat bottom and is directly placed on the foundation, which is easy to install, increases the stability of the equipment, and reduces the difficulty of infrastructure construction. The adsorber assembly, converter, backwashing, overflow, coke throwing and other equipment are special equipment for this process. Among them, the adsorber assembly integrates the functions of water distribution, coke lifting and backwashing, simplifies the equipment structure, improves the equipment efficiency and practicality, and greatly reduces the difficulty of operation. The water distributor adopts an octagonal structure, and the opening area and mixing efficiency of the water distributor are fully optimized, making the water distribution more uniform, without short flow, and better adsorption effect. During backwashing, the active coke makes full use of the mixed scrubbing of gas, water and coke in the rising process to purify the active coke. The active coke cleverly uses the countercurrent washing effect in the falling process, which not only reduces energy consumption, but also further purifies the active coke. The converter realizes the free switching of coke washing and coke lifting functions, making the whole equipment seamless and achieving the effect of one machine for two purposes. It saves materials and space and is convenient to operate. The coke throwing system only needs one water pump to complete the loading, which is simple and efficient. The whole process has no mechanical action, which greatly reduces the loss of activated coke. All components of the adsorber are specially designed and inseparable. Special sealing measures are adopted at the connection of the regeneration furnace to make the unorganized emission of flue gas almost zero, reduce environmental pollution and optimize the working environment. The optimized process parameters make the temperature rise of the regeneration process more reasonable, the energy consumption is lower, and the loss of activated coke is reduced to the maximum extent. In terms of waste gas treatment, a combination of flue gas heat exchanger, high-temperature dust removal, spray tower, catalytic oxidation, SCR denitrification and other processes are adopted to achieve ultra-low emissions of flue gas. By using heat recovery technology, the energy self-sustainability of catalytic oxidation and SCR processes has been basically achieved, reducing energy consumption.

[0008] In a preferred embodiment, a factory sewage device is provided at the output end of the adsorption tank, and a converter is provided at the output end of the adsorption tank.

[0009] By adopting the above technical solutions, the plant sewage device refers to the equipment for collecting and transporting wastewater in the plant. They include pipelines, pumping stations, sedimentation tanks, etc., which are used to collect and transport wastewater to the adsorption tower in the wastewater treatment system. The converter is a device used to convert the adsorption saturated activated coke into a reusable state. Its main function is to regenerate and recycle the activated coke to improve its adsorption capacity and extend its service life.

[0010] In a preferred embodiment, a microfilter is provided at the output end of the converter, and a saturated wet material bin is provided at the output end of the microfilter.

[0011] By adopting the above technical solution, the microfilter is used to transport the activated coke or other materials in the activated coke adsorption tower for wastewater treatment to different treatment units or devices. It can transport the materials by belt, spiral or vacuum. The saturated wet material bin is used to regenerate the saturated activated coke to restore its adsorption performance. The regeneration device usually includes heating equipment, air supply and waste gas treatment equipment, and releases the adsorbed organic matter and pollutants from the activated coke through a series of processes so that it can be reused in the adsorption tower.

[0012] In a preferred embodiment, a conveyor is provided at the output end of the saturated wet material bin, and a regeneration device is provided at the output end of the conveyor.

[0013] By adopting the above technical solution, the conveyor is used to transport the activated coke or other materials in the activated coke adsorption tower for wastewater treatment to different treatment units or devices. It can transport the materials by belt, spiral or vacuum. The regeneration device is used to regenerate the adsorption saturated activated coke to restore its adsorption performance. The regeneration device includes a heating device, an air flow supply and an exhaust gas treatment device, and releases the adsorbed organic matter and pollutants from the activated coke through a series of processes so that it can be reused in the adsorption tower.

[0014] In a preferred embodiment, a waste gas treatment device is provided at the output end of the regeneration device, and a regenerated coke cooling and conveying device is provided at the output end of the regeneration device.

[0015] By adopting the above technical solution, the waste gas treatment device is used to treat the waste gas generated in the regeneration device. Since organic matter, volatile substances or harmful gases may be generated during the regeneration process, the waste gas treatment device removes or reduces the harmful substances in the waste gas by using filters, adsorbents or other treatment methods to ensure that the emissions meet environmental standards. The regenerated coke cooling and conveying device is used to transport the regenerated activated coke from the regeneration device to other locations. This device generally includes a cooling device to reduce the temperature of the regenerated coke so that it can be safely processed, stored or used later.

[0016] In a preferred embodiment, a regeneration collecting machine is provided at the output end of the regeneration coke cooling and conveying device, and a regeneration coke silo is provided at the output end of the regeneration collecting machine.

[0017] By adopting the above technical solution, the regeneration collector is used to collect the regeneration coke generated from the regeneration device. The regeneration collector is used to store and transport the regeneration coke to other equipment or areas. The regeneration coke silo is a container for storing regeneration coke. The regeneration coke silo can protect the regeneration coke from the external environment and moisture, and supply the regeneration coke to the adsorption tower or other devices when needed.

[0018] In a preferred embodiment, a coke ejector is provided at the output end of the regenerated coke silo, and the material discharged from the coke ejector can be put into an adsorption tank for adsorption treatment.

[0019] By adopting the above technical solution, the coke thrower is used to throw the regenerated coke material into the adsorption tower. The coke thrower can evenly distribute the regenerated coke material to the packing layer of the adsorption tower to ensure the continuous adsorption of the active coke packing.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0021] 1. In this process, the adsorption tank is designed with a flat bottom and is directly placed on the foundation, which is easy to install, increases equipment stability, and reduces infrastructure difficulty.

[0022] 2. The adsorber components, converters, backwashing, overflow, coke throwing and other equipment are special equipment for this process. Among them, the adsorber components integrate water distribution, coke lifting and backwashing functions, simplify the equipment structure, improve the equipment efficiency and practicality, and greatly reduce the difficulty of operation. The water distributor adopts an octagonal structure, and the opening area and mixing efficiency of the water distributor are fully optimized, making the water distribution more uniform, without short flow, and the adsorption effect is better. During backwashing, the active coke makes full use of the mixed scrubbing of gas, water and coke in the rising process to purify the active coke. The active coke cleverly uses the countercurrent washing effect in the falling process, which not only reduces energy consumption, but also further purifies the active coke. The converter realizes the free switching of coke washing and coke lifting functions, making the whole equipment seamless and achieving the effect of one machine for two purposes. It not only saves materials and space, but also facilitates operation. The coke throwing system only needs one water pump to complete the loading, which is simple and efficient. There is no mechanical action in the whole process, which greatly reduces the loss of active coke. All components of the adsorber are specially designed and inseparable.

[0023] 3. Special sealing measures are adopted at the connection of the regeneration furnace to make the unorganized emission of flue gas almost zero, reduce environmental pollution and optimize the working environment. The optimized process parameters make the temperature rise of the regeneration process more reasonable, the energy consumption is lower, and the loss of activated coke is reduced to the maximum extent. In terms of waste gas treatment, a combination of flue gas heat exchanger, high-temperature dust removal, spray tower, catalytic oxidation, SCR denitrification and other processes are adopted to achieve ultra-low flue gas emissions. By using heat recovery technology, the energy self-sustaining of catalytic oxidation and SCR processes is basically achieved, reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a plan view of the activated coke adsorption system and the intermediate water pool in this application;

[0025] Figure 2 It is a cross-sectional view of the activated coke adsorption system and the intermediate water tank 2-2 in this application;

[0026] Figure 3 It is a cross-sectional view of the activated coke adsorption system and the intermediate water tank 3-3 in this application;

[0027] Figure 4 It is a cross-sectional view of the activated coke adsorption system and the intermediate water tank 4-4 in this application;

[0028] Figure 5 This is a flow chart of the activated coke adsorption regeneration system in this application.

[0029] Markings in the figure: 1. Lifting pump; 2. Water distribution pipeline; 3. Compressed air station; 4. Adsorption tank; 5. External flow channel to the macro site; 6. Factory sewage device; 7. Converter; 8. Microfilter; 9. Saturated wet material silo; 10. Conveyor; 11. Regeneration device; 12. Waste gas treatment device; 13. Regenerated coke cooling and conveying device; 14. Regeneration collecting bucket machine; 15. Regenerated coke silo; 16. Coke thrower. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Reference Figure 1-5 ,

[0032] Example:

[0033] Reference Figure 1-5, the output end of the lifting pump 1 is provided with a water distribution pipe 2, the output end of the water distribution pipe 2 is provided with an adsorption tank 4, one end of the adsorption tank 4 is fixedly connected to a compressed air station 3, and one end of the adsorption tank 4 is fixedly connected to a macro external poison channel 5. In this process, the adsorption tank is designed with a flat bottom and is directly placed on the foundation, which is easy to install, increases the stability of the equipment, and reduces the difficulty of infrastructure construction. The adsorber assembly, converter, backwashing, overflow, coke throwing and other equipment are special equipment for this process. Among them, the adsorber assembly integrates the functions of water distribution, coke lifting and backwashing, simplifies the equipment structure, improves the equipment efficiency and practicality, and greatly reduces the difficulty of operation. The water distributor adopts an octagonal structure, and the opening area and mixing efficiency of the water distributor are comprehensively optimized, so that the water distribution is more uniform, there will be no short flow, and the adsorption effect is better. During backwashing, the active coke makes full use of the mixed scrubbing of gas, water and coke in the rising process to purify the active coke. The active coke cleverly uses the countercurrent washing effect in the falling process, which not only reduces energy consumption, but also further purifies the active coke. The converter realizes the free switching of coke washing and coke raising functions, making the whole equipment seamless and achieving the effect of one machine for two purposes. It not only saves materials and space, but also facilitates operation. The coke throwing system only needs one water pump to complete the loading, which is simple and efficient. There is no mechanical action in the whole process, which greatly reduces the loss of activated coke. All components of the adsorber are specially designed and inseparable. Special sealing measures are adopted at the connection of the regeneration furnace to make the unorganized emission of flue gas almost zero, reduce environmental pollution and optimize the working environment. The optimized process parameters make the temperature rise of the regeneration process more reasonable, the energy consumption is lower, and the loss of activated coke is minimized. In terms of waste gas treatment, a combination of flue gas heat exchanger, high-temperature dust removal, spray tower, catalytic oxidation, SCR denitrification and other processes are adopted to achieve ultra-low emissions of flue gas. By using heat recovery technology, the energy self-sustaining of catalytic oxidation and SCR processes is basically achieved, reducing energy consumption.

[0034] Reference Figure 1-5 The output end of the adsorption tank 4 is provided with a plant sewage device 6, and the output end of the adsorption tank 4 is provided with a converter 7. The plant sewage device 6 refers to the equipment for collecting and transporting wastewater in the plant. They include pipelines, pumping stations, sedimentation tanks, etc., which are used to collect and transport wastewater to the adsorption tower in the wastewater treatment system. The converter 7 is a device for converting adsorption saturated activated coke into a reusable state. Its main function is to regenerate and recycle activated coke to improve its adsorption capacity and extend its service life.

[0035] Reference Figure 1-5, a microfilter 8 is provided at the output end of the converter 7, and a saturated wet material bin 9 is provided at the output end of the microfilter 8. The microfilter 8 is used to transport the activated coke or other materials in the activated coke adsorption tower for wastewater treatment to different treatment units or devices. It can transport materials by belt, spiral or vacuum methods. The saturated wet material bin 9 is used to regenerate the adsorption saturated activated coke to restore its adsorption performance. The regeneration device usually includes a heating device, an airflow supply and a waste gas treatment device, which releases the adsorbed organic matter and pollutants from the activated coke through a series of processes so that it can be reused in the adsorption tower.

[0036] Reference Figure 1-5 A conveyor 10 is provided at the output end of the saturated wet material bin 9, and a regeneration device 11 is provided at the output end of the conveyor 10. The conveyor 10 is used to transport the activated coke or other materials in the activated coke adsorption tower for wastewater treatment to different treatment units or devices. It can transport materials by belt, spiral or vacuum methods. The regeneration device 11 is used to regenerate the adsorption saturated activated coke to restore its adsorption performance. The regeneration device 11 includes a heating device, an airflow supply and a waste gas treatment device, which releases the adsorbed organic matter and pollutants from the activated coke through a series of processes so that it can be reused in the adsorption tower.

[0037] Reference Figure 1-5 , a waste gas treatment device 12 is provided at the output end of the regeneration device 11, and a regenerated coke cooling and conveying device 13 is provided at the output end of the regeneration device 11. The waste gas treatment device 12 is used to treat the waste gas generated in the regeneration device. Since organic matter, volatile substances or harmful gases may be generated during the regeneration process, the waste gas treatment device 12 removes or reduces harmful substances in the waste gas by using filters, adsorbents or other treatment methods to ensure that the emissions meet environmental protection standards. The regenerated coke cooling and conveying device 13 is used to transport the regenerated activated coke from the regeneration device to other locations. This device generally includes a cooling device to reduce the temperature of the regenerated coke so that it can be safely processed, stored or used later.

[0038] Reference Figure 1-5The output end of the regenerated coke cooling and conveying device 13 is provided with a regeneration collector 14, and the output end of the regeneration collector 14 is provided with a regeneration coke silo 15. The regeneration collector 14 is used to collect the regenerated coke generated from the regeneration device. The regeneration collector 14 is used to store and transport the regenerated coke to other equipment or areas. The regenerated coke silo 15 is a container for storing regenerated coke material. The regenerated coke silo 15 can protect the regenerated coke from the external environment and moisture, and supply the regenerated coke to the adsorption tower or other devices when needed. The output end of the regenerated coke silo 15 is provided with a coke thrower 16, and the material discharged by the coke thrower 16 can be adsorbed in the adsorption tank 4. The coke thrower 16 is used to throw the regenerated coke material into the adsorption tower. The coke thrower 16 can evenly distribute the regenerated coke material to the packing layer of the adsorption tower to ensure the continuous adsorption effect of the active coke filler.

[0039] The implementation principle of an embodiment of an activated coke adsorption tower for wastewater treatment in the present application is:

[0040] 1. In this process, the adsorption tank is designed with a flat bottom and is directly placed on the foundation, which is easy to install, increases equipment stability, and reduces infrastructure difficulty.

[0041] 2. The adsorber components, converters, backwashing, overflow, coke throwing and other equipment are special equipment for this process. Among them, the adsorber components integrate water distribution, coke lifting and backwashing functions, simplify the equipment structure, improve the equipment efficiency and practicality, and greatly reduce the difficulty of operation. The water distributor adopts an octagonal structure, and the opening area and mixing efficiency of the water distributor are fully optimized, making the water distribution more uniform, without short flow, and the adsorption effect is better. During backwashing, the active coke makes full use of the mixed scrubbing of gas, water and coke in the rising process to purify the active coke. The active coke cleverly uses the countercurrent washing effect in the falling process, which not only reduces energy consumption, but also further purifies the active coke. The converter realizes the free switching of coke washing and coke lifting functions, making the whole equipment seamless and achieving the effect of one machine for two purposes. It not only saves materials and space, but also facilitates operation. The coke throwing system only needs one water pump to complete the loading, which is simple and efficient. There is no mechanical action in the whole process, which greatly reduces the loss of active coke. All components of the adsorber are specially designed and inseparable.

[0042] 3. Special sealing measures are adopted at the connection of the regeneration furnace to make the unorganized emission of flue gas almost zero, reduce environmental pollution and optimize the working environment. The optimized process parameters make the temperature rise of the regeneration process more reasonable, the energy consumption is lower, and the loss of activated coke is reduced to the maximum extent. In terms of waste gas treatment, a combination of flue gas heat exchanger, high-temperature dust removal, spray tower, catalytic oxidation, SCR denitrification and other processes are adopted to achieve ultra-low flue gas emissions. By using heat recovery technology, the energy self-sustaining of catalytic oxidation and SCR processes is basically achieved, reducing energy consumption.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A wastewater treatment activated coke adsorption tower, comprising a lift pump (1), characterized in that: The output end of the lifting pump (1) is provided with a water distribution pipeline (2), and the output end of the water distribution pipeline (2) is provided with an adsorption tank (4), one end of the adsorption tank (4) is fixedly connected to a compressed air station (3), and one end of the adsorption tank (4) is fixedly connected to a macro external poison flow channel (5).

2. The activated coke adsorption tower for wastewater treatment according to claim 1, characterized in that: The output end of the adsorption tank (4) is provided with a factory sewage device (6), and the output end of the adsorption tank (4) is provided with a converter (7).

3. The activated coke adsorption tower for wastewater treatment according to claim 2, characterized in that: The output end of the converter (7) is provided with a microfilter (8), and the output end of the microfilter (8) is provided with a saturated wet material bin (9).

4. The activated coke adsorption tower for wastewater treatment according to claim 3, characterized in that: A conveyor (10) is provided at the output end of the saturated wet material bin (9), and a regeneration device (11) is provided at the output end of the conveyor (10).

5. The activated coke adsorption tower for wastewater treatment according to claim 4, characterized in that: The output end of the regeneration device (11) is provided with a waste gas treatment device (12), and the output end of the regeneration device (11) is provided with a regenerated coke cooling and conveying device (13).

6. The activated coke adsorption tower for wastewater treatment according to claim 5, characterized in that: The output end of the regenerated coke cooling and conveying device (13) is provided with a regenerated coke collecting machine (14), and the output end of the regenerated coke collecting machine (14) is provided with a regenerated coke silo (15).

7. The activated coke adsorption tower for wastewater treatment according to claim 6, characterized in that: The output end of the regenerated coke bin (15) is provided with a coke ejector (16), and the material discharged from the coke ejector (16) can be put into an adsorption tank (4) for adsorption treatment.

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