Activated carbon adsorption purifier

Abstract

According to the activated carbon adsorption purifier, fans are arranged on the two sides of a dust removal box correspondingly, reverse blowing treatment is conducted on a filter screen regularly under the control of a PLC, impurities such as large-particle dust filtered and adhered to meshes of the filter screen are blown back into the dust removal box, it is guaranteed that the filter screen is not blocked, and the filtering efficiency of the filter screen is kept; in addition, a steam mechanism is arranged at the top of the activated carbon adsorption box, and under the control of the PLC, low-pressure steam regeneration technology is adopted to regularly perform low-pressure steam treatment on organic compounds, formaldehyde, benzene and the like adsorbed by the activated carbon adsorption layer, so that the organic compounds, formaldehyde, benzene and the like are desorbed to the activated carbon adsorption layer; the desorbed organic compounds, formaldehyde, benzene and the like are discharged from the impurity discharge pipe and enter the next treatment process, so that the original adsorption performance of the activated carbon is recovered, the cyclic utilization of the activated carbon is realized, and the purposes of improving the purification efficiency and reducing the input cost are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flue gas purification, in particular to an activated carbon adsorption purifier. BACKGROUND

[0002] Currently, with the acceleration of industrialization and urbanization, air pollution problems are becoming increasingly serious, especially harmful substances such as organic compounds, formaldehyde, benzene generated in the industrial production process, which pose a serious threat to the environment and human health. The traditional air purification method has the problems of low purification efficiency and high cost. To this end, an activated carbon adsorption purifier is provided to solve the above problems. CONTENT OF THE INVENTION

[0003] The present application provides an activated carbon adsorption purifier, a fan is arranged on each side of the dust removal tank, and the filter screen is periodically backblown under the control of the PLC controller. The large particles of dust and other impurities adhering to the filter screen are blown back into the dust removal tank, so that the filter screen is not blocked, the filtering efficiency of the filter screen is maintained, and in addition, a steam mechanism is arranged on the top of the activated carbon adsorption tank. Under the control of the PLC controller, low-pressure steam regeneration technology is used to periodically treat the organic compounds, formaldehyde, benzene and the like adsorbed by the activated carbon adsorption layer with low-pressure steam, so that they are desorbed from the activated carbon adsorption layer. The desorbed organic compounds, formaldehyde, benzene and the like are discharged from the impurity discharge pipe into the next processing flow, and the activated carbon restores its original adsorption performance, so as to realize the recycling of activated carbon, thereby achieving the purposes of improving the purification efficiency and reducing the investment cost.

[0004] The present application provides an activated carbon adsorption purifier, which comprises an air inlet pipe, the air inlet pipe is connected with a dust removal tank at the end, the dust removal tank is internally provided with a filter screen, a fan is connected on each side of the dust removal tank, a dust discharge pipe is arranged at the bottom of the dust removal tank, a dust discharge valve is installed on the dust discharge pipe, an activated carbon adsorption tank is connected to the output end of the dust removal tank, an activated carbon adsorption layer is arranged inside the activated carbon adsorption tank, a steam inlet pipe is connected to the top of the activated carbon adsorption tank, a steam inlet valve is arranged on the steam inlet pipe, a steam mechanism is connected to the input end of the steam inlet pipe, an impurity discharge pipe is arranged at the bottom of the activated carbon adsorption tank, an impurity discharge valve is arranged on the impurity discharge pipe, and a detection mechanism is connected to the output end of the activated carbon adsorption tank. An exhaust pipe is arranged on one side of the detection mechanism, and a gas return pipe is arranged on the other side.

[0005] The dust discharge valve, the two fans, the steam mechanism, the steam inlet valve, the impurity discharge valve and the detection mechanism are connected with the same PLC controller.

[0006] Further, the bottom of the dust removal tank is in the shape of a cone.

[0007] Further, the two fans are arranged in axial symmetry with respect to the center point of the filter screen.

[0008] Further, the activated carbon adsorption layer is made of activated carbon particles processed by a special process, and has a filter material layer with large voids and uniform distribution.

[0009] Further, the detection mechanism has an alarm prompter.

[0010] Further, the end of the gas return pipe is communicated with the input end of the dust removal box.

[0011] From the above technical scheme can know, the present application provides a kind of activated carbon adsorption purifier, including air inlet pipe, the flue gas needing purification is discharged into the pipeline of equipment, air inlet pipe end is connected with dust removal tank, the container that the flue gas needing purification is filtered and handled with large particle dust etc impurities, collect the large particle dust etc impurities filtered out, to be centrally discharged and handled, dust removal tank is internally provided with filter screen, filter effect is generated, the flue gas needing purification is filtered and handled with large particle dust etc impurities, let large particle dust etc impurities remain in dust removal tank, let remaining flue gas pass through the mesh of filter screen, enter next purification process, to reach the purpose of removing large particle dust etc impurities in flue gas, dust removal tank both sides are connected with a fan, kinetic energy output structure, wind force is generated, under the control of PLC controller, filter screen is periodically backblowing handled, filter the large particle dust etc impurities adhered on the mesh of filter screen and blow back into dust removal tank, to guarantee that filter screen will not be blocked, ensure the filtering efficiency of filter screen, improve purification efficiency, dust removal tank bottom is provided with dust removal pipe, the discharge passage of large particle dust etc impurities filtered out and collected in dust removal tank, dust removal valve is installed on dust removal pipe, control the opening and closing of dust removal pipe internal passage, during the process of purifying flue gas, it keeps closed state, to prevent harmful flue gas from overflowing from dust removal pipe and polluting the environment, to ensure the safety of the equipment, after the completion of flue gas purification, it is opened, under the action of fan, let the large particle dust etc impurities filtered out and adhered on filter screen be discharged from dust removal pipe, for reuse, dust removal tank output end is communicated with activated carbon adsorption tank, the container that flue gas is purified again, for setting up the main structure activated carbon adsorption layer for purifying flue gas, activated carbon adsorption tank is internally provided with activated carbon adsorption layer, flue gas is filtered and purified, to filter out organic pollutants and peculiar smell etc contained in flue gas, so that flue gas becomes standard gas, to harmless gas is discharged to nature, reduce pollution to environment, activated carbon adsorption tank top is connected with inlet pipe, steam generated and transported by steam mechanism enters the pipeline in activated carbon adsorption tank, inlet pipe is provided with inlet valve, control effect is generated, control the opening and closing of inlet pipe internal passage, during the process of purifying flue gas, keep closed state, avoid flue gas entering steam mechanism, damage steam mechanism, after the completion of flue gas purification treatment, open, let steam mechanism input steam into activated carbon adsorption tank, low-pressure steam treatment is carried out to organic compounds, formaldehyde, benzene etc adsorbed by activated carbon adsorption layer, make it desorb in activated carbon adsorption layer, let the desorbed organic compounds, formaldehyde, benzene etc be discharged from impurity discharge pipe and enter next process, let activated carbon restore its original adsorption performance, realizes the recycling of activated carbon, reaches the purpose of reducing input cost, inlet pipe input end is connected with steam mechanism, steam generation mechanism, steam is generated, and steam is transported in the form of low pressure into activated carbon adsorption tank, low-pressure steam treatment is carried out to organic compounds, formaldehyde, benzene etc adsorbed by activated carbon adsorption layer, make it desorb in activated carbon adsorption layer,The organic compounds, formaldehyde, benzene and the like are discharged from the impurity discharge pipe into the next process after being desorbed, the activated carbon recovers its original adsorption performance, the recycling of the activated carbon is realized, and the purpose of reducing the input cost is achieved. The bottom of the activated carbon adsorption box is provided with an impurity discharge pipe. The organic compounds, formaldehyde, benzene and the like desorbed from the activated carbon adsorption layer are discharged from the discharge pipe of the activated carbon adsorption box 7. An impurity discharge valve is arranged on the impurity discharge pipe and plays a control role. The opening and closing of the internal passage of the impurity discharge pipe are controlled. During the purification process of the flue gas, the state is kept closed to avoid the overflow of the flue gas from the impurity discharge pipe and affect the normal operation of the next process. After the purification of the flue gas is completed, the impurities desorbed are discharged from the impurity discharge pipe into the next process to ensure the normal operation of the equipment. The output end of the activated carbon adsorption box is communicated with a detection mechanism which plays a detection role. The discharged gas is detected and treated, and the detected parameters are fed back to the PLC controller for analysis and comparison. If the standard is met, the exhaust pipe passage is opened to normally discharge the gas. If the standard is not met, the back gas pipe passage is opened to feed the gas back to the dust removal box for re-purification. An exhaust pipe is arranged on one side of the detection mechanism. The exhaust pipe is the discharge pipeline of the standard gas. The other side is provided with a back gas pipe which is the pipeline for feeding the non-standard gas back to the dust removal box.

[0012] The dust removal valve, the two fans, the steam mechanism, the steam inlet valve, the impurity discharge valve and the detection mechanism are connected with the same PLC controller. The control mechanism controls the dust removal valve, the two fans, the steam mechanism, the steam inlet valve, the impurity discharge valve and the detection mechanism to work cooperatively to achieve the best purification effect of the equipment.

[0013] In summary, the application has the following beneficial effects:

[0014] 1. The fans are arranged on both sides of the dust removal box. Under the control of the PLC controller, the filter screen is regularly backblown to blow the large particles of dust and other impurities adhered to the filter screen back to the dust removal box, so that the filter screen is not blocked, the filtering efficiency of the filter screen is ensured, and the purification efficiency is improved.

[0015] 2. The steam mechanism is arranged on the top of the activated carbon adsorption box. Under the control of the PLC controller, the low-pressure steam regeneration technology is adopted to regularly perform low-pressure steam treatment on the organic compounds, formaldehyde, benzene and the like adsorbed by the activated carbon adsorption layer, so that the organic compounds, formaldehyde, benzene and the like are desorbed from the activated carbon adsorption layer. The organic compounds, formaldehyde, benzene and the like desorbed are discharged from the impurity discharge pipe into the next process, the activated carbon recovers its original adsorption performance, the recycling of the activated carbon is realized, and the purpose of reducing the input cost is achieved.

[0016] 3. The bottom of the dust removal box is in a "conical shape", which is beneficial to the complete discharge of the large particles of dust and other impurities filtered by the filter screen from the dust removal box, and the purpose of reducing the residual rate of dust in the dust removal box is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present application, the drawings required to be used in the embodiments will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0018] Figure 1 The structural schematic diagram of the present application.

[0019] Figure 2 The structural schematic diagram of the PLC console of the present application.

[0020] Illustration:

[0021] Among them, 1 - air inlet pipe, 2 - dust removal box, 3 - filter screen, 4 - dust removal pipe, 5 - dust removal valve, 6 - fan, 7 - activated carbon adsorption box, 8 - activated carbon adsorption layer, 9 - steam mechanism, 10 - steam inlet pipe, 11 - steam inlet valve, 12 - impurity removal pipe, 13 - impurity removal valve, 14 - detection mechanism, 15 - exhaust pipe, 16 - air return pipe, 17 - PLC controller. DETAILED DESCRIPTION

[0022] In order to make the person skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings.

[0023] From the above technical solutions, it can be known that:

[0024] Example 1:

[0025] Reference Figure 1 , Figure 2 .

[0026] The utility model provides an active carbon adsorption purifier, including air inlet pipe 1, the flue gas of needing doing purification treatment is discharged into the pipeline of equipment, the dust box 2 of connecting with air inlet pipe 1 end has, the container of the impurity such as big particle dust to the flue gas needing doing purification treatment is filtered and handled, collects the impurity such as big particle dust filtered out, to centralized discharge handling, the dust box 2 is provided with filter screen 3 in the inside, plays the role of filtering, the impurity such as big particle dust to the flue gas needing doing purification treatment is filtered and handled, lets the impurity such as big particle dust remain in the dust box 2, lets the rest flue gas pass through the mesh of filter screen 3, enters next purification treatment process, to reach the purpose that the impurity such as big particle dust in flue gas is removed, the dust box 2 is connected with a fan 6 in each side, kinetic energy output structure, produces wind power, under the control of PLC controller 17 17, regularly carries out the back blow treatment of filter screen 3, blows the impurity such as big particle dust that filter screen 3 mesh is filtered and adheres back to the dust box 2, to guarantee that filter screen 3 will not be blocked, ensure the filtering efficiency of filter screen 3, improve purification efficiency, the dust box 2 bottom is provided with dust exhaust pipe 4, the discharge passage of the impurity such as big particle dust that filter screen 3 filters out and collects in the dust box 2, is installed with dust exhaust valve 5 on dust exhaust pipe 4, controls the opening and closing of dust exhaust pipe 4 inside passage, during the purification treatment of flue gas, it keeps closed state, to prevent harmful flue gas from spilling out from dust exhaust pipe 4 and pollute the environment phenomenon occurs, to ensure the safety of the equipment, after the completion of flue gas purification, it opens, under the action of fan 6, lets the impurity such as big particle dust that filters out and adheres on filter screen 3 from dust exhaust pipe 4 and is discharged, to be used again, the dust box 2 output end is connected with active carbon adsorption tank 7, the container of the flue gas for again purification treatment, for setting the main structure active carbon adsorption layer 8 for the flue gas purification treatment, is provided with active carbon adsorption layer 8 in the inside of active carbon adsorption tank 7, carries out the filtration purification treatment to the flue gas, filters off the organic pollutant and peculiar smell etc. contained in flue gas, makes the flue gas become up-to-standard gas, to harmless gas emission to nature, reduce the pollution to the environment, the top of active carbon adsorption tank 7 is connected with inlet pipe 10, the steam that steam mechanism 9 generates and transports enters the pipeline in active carbon adsorption tank 7, is provided with inlet valve 11 on inlet pipe 10, plays the control role, controls the opening and closing of inlet pipe 10 inside passage, during the purification treatment of flue gas, keeps closed state, avoids flue gas to enter steam mechanism 9, destroys steam mechanism 9, after the completion of flue gas purification treatment, opens, lets steam mechanism 9 input steam to active carbon adsorption tank 7, carries out low-pressure steam treatment to the organic compound, formaldehyde, benzene etc. that active carbon adsorption layer 8 adsorbs, makes it desorb in active carbon adsorption layer 8, lets the organic compound, formaldehyde, benzene etc. after desorption from the miscellaneous pipe 12 and is discharged and enters next treatment process, lets active carbon restore its original adsorption performance, realizes the recycling of active carbon, reaches the purpose of reducing input cost, inlet pipe 10 input end is connected with steam mechanism 9, steam generating mechanism, generates steam, and steam is sent to active carbon adsorption tank 7 in the form of low pressure,The organic compounds, formaldehyde, benzene and the like adsorbed by the activated carbon adsorption layer 8 are subjected to low-pressure steam treatment, so that they are desorbed from the activated carbon adsorption layer 8, and the desorbed organic compounds, formaldehyde, benzene and the like are discharged from the impurity discharge pipe 12 into the next process flow, so that the activated carbon is restored to its original adsorption performance, realizing the recycling of the activated carbon and achieving the purpose of reducing the input cost. The activated carbon adsorption box 7 is provided with an impurity discharge pipe 12 at the bottom, and the organic compounds, formaldehyde, benzene and the like desorbed from the activated carbon adsorption layer 8 are discharged from the discharge pipe of the activated carbon adsorption box 7. The impurity discharge pipe 12 is provided with an impurity discharge valve 13, which plays a control role and controls the opening and closing of the internal passage of the impurity discharge pipe 12. During the purification process of the flue gas, the state is kept closed to avoid the overflow of the flue gas from the impurity discharge pipe 12 and affect the normal operation of the next process flow. After the purification process of the flue gas is completed, the desorbed organic compounds, formaldehyde, benzene and the like are discharged from the impurity discharge pipe 12 into the next process flow to ensure the normal operation of the equipment. The output end of the activated carbon adsorption box 7 is connected with a detection mechanism 14, which plays a detection role and detects the discharged gas, and the detected parameters are transmitted back to the PLC controller 17 for analysis and comparison processing. If the parameters meet the standard, the exhaust pipe 15 passage is opened to normally discharge the gas. If the parameters do not meet the standard, the return air pipe 16 passage is opened to transport the gas back to the dust removal box 2 for re-purification treatment. The detection mechanism 14 is provided with an exhaust pipe 15 on one side, which is a standard gas discharge pipeline, and a return air pipe 16 on the other side, which is a pipeline for transporting non-standard gas back to the dust removal box 2.

[0027] The dust removal valve 5, the two fans 6, the steam mechanism 9, the steam inlet valve 10, the impurity discharge valve 13 and the detection mechanism 14 are connected with the same PLC controller 17, which is a control mechanism for controlling the coordinated operation of the dust removal valve 5, the two fans 6, the steam mechanism 9, the steam inlet valve 10, the impurity discharge valve 13 and the detection mechanism 14 to achieve the best purification effect of the equipment.

[0028] As a preferred embodiment, the bottom of the dust removal box 2 is in the shape of a cone, which is conducive to the complete discharge of the large-particle dust and other impurities filtered by the filter screen 3 from the dust removal box 2, achieving the purpose of reducing the residual rate of dust in the dust removal box 2.

[0029] As a preferred embodiment, the two fans 6 are arranged in axial symmetry with respect to the center point of the filter screen 3, so that the air forces of the two fans 6 blow towards the center point of the filter screen 3 in the same direction, better blowing out the large-particle dust and other impurities adhering to the filter screen 3.

[0030] As a preferred embodiment, the activated carbon adsorption layer 8 is made of a filter material layer with large voids and uniform distribution of activated carbon particles treated by a special process, which not only effectively increases the specific surface area and improves the adsorption efficiency, but also reduces the fluid resistance and energy consumption.

[0031] As a preferred embodiment, the detection mechanism 14 has an alarm prompter, which prompts the staff when the emission flue gas is substandard, so that the staff can make a timely response and carry out maintenance treatment on the equipment to ensure the purification effect of the equipment.

[0032] As a preferred embodiment, the end of the gas return pipe 16 is in communication with the input end of the dust removal box 2, so that the substandard flue gas can be returned to the dust removal box 2 for re-purification treatment until it is up to standard, so as to ensure the up-to-standard nature of the emission flue gas and protect the environment.

[0033] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0034] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The embodiments of the application described above are not intended to be limiting of the scope of the application.

Claims

1. An activated carbon adsorption purifier, characterized by comprising: The utility model relates to a dust removal device, including air inlet pipe (1), the dust removal box (2) is connected at air inlet pipe (1) end, the filter screen (3) is arranged in the dust removal box (2) inside, one fan (6) is connected to the both sides of dust removal box (2), the dust removal box (2) bottom is provided with dust exhaust pipe (4), and dust exhaust valve (5) is installed on dust exhaust pipe (4), the output of dust removal box (2) is communicated with activated carbon adsorption box (7), and the activated carbon adsorption layer (8) is arranged in the activated carbon adsorption box (7) inside, and the steam pipe (10) is connected to the activated carbon adsorption box (7) top, and the steam valve (11) is arranged on steam pipe (10), and the steam mechanism (9) is connected to steam pipe (10) input, and the dust exhaust pipe (4) is arranged in the activated carbon adsorption box (7) bottom, and the dust exhaust valve (13) is arranged on dust exhaust pipe (12), and the detection mechanism (14) is communicated with the output of activated carbon adsorption box (7), and the detection mechanism (14) one side is provided with exhaust pipe (15), and the other side is provided with back gas pipe (16). The dust exhaust valve (5), two fans (6), steam mechanism (9), steam valve (11), dust exhaust valve (13) and detection mechanism (14) are line-connected with the same PLC controller (17).

2. The activated carbon adsorption purifier according to claim 1, characterized in that, The dust removal box (2) bottom is "conical".

3. The activated carbon adsorption purifier according to claim 1, characterized in that, Two fans (6) are arranged in axial symmetry with respect to the center point of the filter screen (3).

4. The activated carbon adsorption purifier according to claim 1, characterized in that, The activated carbon adsorption layer (8) is made of activated carbon particles and has a gap and uniform distribution.

5. The activated carbon adsorption purifier according to claim 1, characterized in that, The detection mechanism (14) has an alarm prompter.

6. The activated carbon adsorption purifier according to claim 1, characterized in that, The back gas pipe (16) is communicated with the input of the dust removal box (2).

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