Sewage adsorption device

Abstract

The utility model provides a molecular sieve adsorption device which comprises a shell provided with a water inlet and a water outlet, the water inlet is located at the bottom of the shell, the water outlet is located at the top of the shell, and a control assembly arranged in the shell and arranged at the water inlet and the water outlet; the adsorption assembly is arranged in the shell, and the adsorption assembly is located between the water inlet and the water outlet. Sewage enters from the lower portion of the shell and is output from the upper portion of the shell, water flow is forced to flow upwards through the adsorption assembly, so that the contact time of pollutants and an adsorbent is prolonged, the adsorption efficiency and the treatment effect are improved, and due to the fact that the water flow direction is opposite to the gravity direction, more uniform water flow distribution is formed in the adsorption assembly, and the treatment effect is improved. And therefore, the effluent quality is more stable.

Description

TECHNICAL FIELD

[0001] The application relates to an adsorption device, in particular to a sewage adsorption device. BACKGROUND

[0002] Current pesticide wastewater treatment technologies mainly include physical, chemical and biological treatment methods. The physical method removes suspended solids through sedimentation, filtration, adsorption and other means; the chemical method includes advanced oxidation, chlorination and the like; and the biological method utilizes microorganisms to degrade dissolved and colloidal organic matter.

[0003] At present, the contact time of pollutants and adsorbents in the pesticide wastewater treatment process is relatively short, which easily leads to low adsorption efficiency, the need for secondary treatment, increased time cost and unnecessary resource waste. CONTENT OF THE UTILITY MODEL

[0004] The application embodiment provides a sewage adsorption device to solve the problems in the related art, and the technical scheme is as follows.

[0005] The application embodiment provides a sewage adsorption device, which comprises:

[0006] The shell has a water inlet and a water outlet, the water inlet is located at the bottom of the shell, and the water outlet is located at the top of the shell.

[0007] The control assembly is arranged in the shell and is arranged at the water inlet and the water outlet.

[0008] The adsorption assembly is arranged in the shell and is located between the water inlet and the water outlet.

[0009] In one embodiment,

[0010] The adsorption assembly comprises:

[0011] The backwashing assembly is arranged at the top of the shell.

[0012] The molecular sieve adsorption disc;

[0013] The activated carbon powder adsorption disc;

[0014] The impurity filter disc, the molecular sieve adsorption disc, the activated carbon powder adsorption disc and the impurity filter disc are all arranged in the shell, and the molecular sieve adsorption disc, the activated carbon powder adsorption disc and the impurity filter disc are arranged in the direction from the water outlet to the water inlet.

[0015] In one embodiment,

[0016] The adsorption assembly further comprises:

[0017] The aeration assembly is arranged in the inner wall of the shell.

[0018] In an embodiment,

[0019] The backwashing assembly comprises:

[0020] The water distribution pipe has a plurality of water distribution holes, and the top of the shell has through holes matched with the water distribution holes.

[0021] In an embodiment,

[0022] The aeration assembly comprises:

[0023] The aeration pipe is arranged on the inner wall of the shell.

[0024] The plurality of aeration holes are arranged on the aeration pipe, and the aeration holes are arranged between the molecular sieve adsorption disc, the activated carbon powder adsorption disc, and the impurity filtration disc.

[0025] In an embodiment,

[0026] The control assembly comprises:

[0027] The pollutant concentration detection assembly is arranged at the water inlet and the water outlet, respectively.

[0028] The monitoring assembly is arranged on the outer wall of the shell.

[0029] In an embodiment, further comprising:

[0030] The sludge discharge pipe is arranged at the bottom of the shell and is located below the impurity filtration disc.

[0031] In an embodiment, further comprising:

[0032] The reflux pipe is connected to the water outlet at one end and is connected to the bottom of the shell at the other end, and the connection between the reflux pipe and the shell is located below the impurity filtration disc.

[0033] In an embodiment, further comprising:

[0034] The plurality of valves are arranged on the reflux pipe, the water outlet, and the water inlet, respectively.

[0035] In an embodiment,

[0036] The wastewater enters the shell through the water inlet and is discharged through the water outlet.

[0037] The advantages or beneficial effects of the above technical solutions at least include:

[0038] By setting the sewage to enter below the shell and output above the shell, the water flow is forced to flow upward through the adsorption assembly, so as to increase the contact time of the pollutants and the adsorbent, thereby improving the adsorption efficiency and treatment effect, and due to the opposite direction of the water flow and the gravity direction, it is helpful to form a more uniform water flow distribution in the adsorption assembly, so that the water quality is more stable.

[0039] The above summary is intended to illustrate, but not limit, the present application in any way. Further aspects, embodiments and features of the present application will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0040] In the drawings, like reference numerals are used to indicate like parts throughout the various figures. The drawings are not necessarily to scale, the emphasis instead being placed upon illustrating the principles of the application. It should be understood that the drawings are merely depictions of some embodiments of the application and that they should not be construed as limiting the scope of the application.

[0041] Figure 1 It is a structural schematic diagram of the utility model;

[0042] Figure 2 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the aeration assembly;

[0043] Figure 3 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the backwashing assembly;

[0044] Figure 4 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the impurity filter disc;

[0045] In the drawings: 100, adsorption device;

[0046] 110, shell; 111, water inlet; 112, water outlet; 113, sludge discharge pipe; 114, backflow pipe; 115, valve; 116, fixed support;

[0047] 120, control assembly; 121, pollutant concentration detection assembly; 122, monitoring assembly; 1221, flow controller; 1222, valve controller; 1223, aeration assembly controller; 1224, backwashing assembly controller; 123, flow detector;

[0048] 130, adsorption assembly; 131, backwashing assembly; 1311, water distribution hole; 1312, water inlet end; 132, molecular sieve adsorption disc; 133, activated carbon powder adsorption disc; 134, impurity filter disc; 135, aeration assembly; 1351, aeration pipeline; 1352, aeration hole; 136, support net rack; 137, sealing ring;

[0049] 140, motor. DETAILED DESCRIPTION

[0050] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0051] Figures 1-4 A structural diagram of a sewage adsorption device 100 according to an embodiment of the present application is shown. As shown, the adsorption device 100 can include: Figures 1-4

[0052] a housing 110, the housing 110 having a water inlet 111 at the bottom of the housing 110 and a water outlet 112 at the top of the housing 110;

[0053] a control assembly 120, the control assembly 120 being disposed in the housing 110, the control assembly 120 being disposed at the water inlet 111 and the water outlet 112;

[0054] an adsorption assembly 130, the adsorption assembly 130 being disposed in the housing 110, the adsorption assembly 130 being disposed between the water inlet 111 and the water outlet 112.

[0055] In the present embodiment, the control assembly 120 is used to control the adsorption treatment of wastewater, the adsorption assembly 130 is used to adsorb the wastewater, the wastewater enters the inside of the housing 110 from the water inlet 111 at the bottom of the housing 110, and after the wastewater is treated by the adsorption assembly 130, the wastewater is discharged through the water outlet 112 at the top of the housing 110;

[0056] By setting the sewage to enter through the bottom of the housing 110 and output through the top of the housing 110, the water flow is forced to flow upwards through the adsorption assembly 130 to increase the contact time of the pollutants with the adsorbent, thereby improving the adsorption efficiency and treatment effect. Since the direction of the water flow is opposite to the direction of the gravity, it helps to form a more uniform water flow distribution in the adsorption assembly 130, thereby making the water quality more stable.

[0057] As shown in Figure 1 and Figure 4 in an embodiment,​

[0058] The adsorption assembly 130 comprises:

[0059] A backwashing assembly 131 arranged at the top of the shell 110;

[0060] A molecular sieve adsorption disc 132;

[0061] An activated carbon powder adsorption disc 133;

[0062] An impurity filtering disc 134, the molecular sieve adsorption disc 132, the activated carbon powder adsorption disc 133 and the impurity filtering disc 134 are arranged in the shell 110 and are arranged in the direction from the water outlet 112 to the water inlet 111.

[0063] In the embodiment, the adsorbent of the molecular sieve adsorption disc 132 is amino-modified MCM-41 molecular sieve, the MCM-41 molecular sieve is prepared from waste stone powder and is modified with amino, the surface of the amino-modified MCM-41 molecular sieve is introduced with amino functional groups, the hydrophilicity of the material is improved, the surface active sites of the material are increased, and thus the adsorption capacity of the material for pollutants in pesticide wastewater is improved, the adsorption capacity can be restored in the adsorption process, the reuse rate and service life of the adsorbent are improved, the process cost is reduced, and the adsorbent is mainly used for adsorbing various heavy metal ions and organic pollutants which are difficult to remove by traditional methods;

[0064] The adsorbent of the activated carbon powder adsorption disc 133 is activated carbon powder, which is used for removing the chroma and odor of pesticide wastewater;

[0065] The filter material of the impurity filtering disc 134 is quartz sand and ceramsite, which is used for preliminarily filtering out suspended solids and part of heavy metal ions;

[0066] By using activated carbon powder and amino-modified MCM-41 molecular sieve as adsorbents, organic matter, heavy metals, dyes, trace pollutants and other pollutants in wastewater can be effectively removed, and the adsorbents have good chemical stability, are not easy to decompose and lose activity, have high adsorption capacity, are environment-friendly materials and do not cause secondary pollution, are suitable for different wastewater treatment environments, are easy to operate and have low maintenance cost;

[0067] The amino-modified MCM-41 molecular sieve is modified from MCM-41 molecular sieve prepared from waste stone powder, the use of waste stone powder as raw material can reduce the accumulation of waste and environmental pollution, realize the recycling of resources, and the cost of waste stone powder is much lower than that of traditional silicon source materials, the use of waste stone powder can reduce the synthesis cost of MCM-41 molecular sieve, improve the economy, and meet the concept of green chemistry and sustainable development;

[0068] Further, the inner wall of the shell 110 is provided with a fixing support 116 for supporting the impurity filter disc 134, the activated carbon powder adsorption disc 133 and the molecular sieve adsorption disc 132, and the impurity filter disc 134, the activated carbon powder adsorption disc 133 and the molecular sieve adsorption disc 132 are respectively provided with a support net rack 136 and a sealing ring 137.

[0069] As shown in Figure 1 and Figure 2 in an embodiment,

[0070] The adsorption assembly 130 further comprises:

[0071] An aeration assembly 135 is arranged in the inner wall of the shell 110.

[0072] Further, the aeration assembly 135 comprises:

[0073] An aeration pipe 1351 is arranged on the inner wall of the shell 110.

[0074] A plurality of aeration holes 1352 are arranged on the aeration pipe 1351, and the aeration holes 1352 are arranged between the molecular sieve adsorption disc 132, the activated carbon powder adsorption disc 133 and the impurity filter disc 134.

[0075] In the present embodiment, the aeration pipe 1351 is arranged inside the inner wall, and the aeration holes 1352 are arranged at the intermediate positions of the backwashing water distribution plate and the molecular sieve adsorption disc 132, the molecular sieve adsorption disc 132 and the activated carbon adsorption disc, the activated carbon adsorption disc and the impurity filter disc 134, and the impurity filter disc 134 and the water inlet end 1312, for promoting the mixing and stirring of the wastewater, intensively contacting the air and the wastewater, increasing the dissolved oxygen concentration in the water, helping the microorganisms in the water to degrade the high-concentration organic matters, reducing the pollutant load, strengthening the stirring and mixing, preventing the adsorbent from gathering and hardening, maintaining the activity and uniformity of the adsorption disc, enhancing the mass transfer efficiency between the adsorption material and the pollutants, and enhancing the treatment efficiency.

[0076] As shown in Figure 1 and Figure 3 in an embodiment,

[0077] The backwashing assembly 131 comprises:

[0078] A water distribution pipe is provided with a plurality of water distribution holes 1311, the top of the shell 110 is provided with a through hole matched with the water distribution holes 1311, and the water distribution pipe is provided with a water inlet end 1312.

[0079] In the embodiment, the water flows into the water distribution pipe through the water inlet end 1312, and then flows into the shell 110 through the water distribution holes 1311, which is used for arranging the backwashing water to flush the filter disc and the adsorption disc.

[0080] As shown in FIG. 1, in one embodiment, the water inlet end 1312 is arranged on the bottom of the shell 110. Figure 1 As shown in FIG. 1, in one embodiment, the water inlet end 1312 is arranged on the bottom of the shell 110.

[0081] The control assembly 120 comprises:

[0082] The pollutant concentration detection assembly 121 is arranged at the water inlet 111 and the water outlet 112 respectively.

[0083] The monitoring assembly 122 is arranged on the outer wall of the shell 110.

[0084] In the embodiment, the pollutant concentration detection assembly 121 is arranged on the water inlet 111 and the water outlet 112, which is used for detecting the water inlet and water outlet concentration of the pollutant.

[0085] Further, the pollutant concentration detection assembly 121 is a common pollutant concentration detector on the market.

[0086] The monitoring assembly 122 monitors the flow of the water inlet 111 and the water outlet 112, and controls the start and stop of the water distribution pipe and the aeration pipe.

[0087] The monitoring assembly 122 comprises:

[0088] The flow controller 1221 is arranged on the outer wall of the shell 110, which is used for detecting the flow of the water inlet 111 and the water outlet 112.

[0089] The valve controller 1222 is arranged below the flow controller 1221, which is used for controlling the water flow.

[0090] The aeration assembly controller 1223 is arranged below the valve controller 1222, which is used for controlling the aeration intensity.

[0091] The backwashing assembly controller 1224 is arranged below the aeration assembly controller 1223, which is used for controlling the opening and closing of the backwashing assembly 131 and the backwashing water flow.

[0092] As shown in FIG. 1, in one embodiment, the water inlet end 1312 is arranged on the bottom of the shell 110. Figure 1 As shown in FIG. 1, in one embodiment, the water inlet end 1312 is arranged on the bottom of the shell 110.

[0093] The sludge discharge pipe 113 is arranged on the bottom of the shell 110, and the sludge discharge pipe 113 is below the impurity filter disc 134.

[0094] In the embodiment, the sludge at the bottom of the shell 110 is discharged through the sludge discharge pipe 113.

[0095] Further, the shell 110 is further provided with a motor 140, which is located above the sludge discharge pipe 113.

[0096] In an embodiment, further comprising:

[0097] a backflow pipe 114, one end of which is connected to the water outlet 112, and the other end of which is connected to the bottom of the shell 110, and the connection between the backflow pipe 114 and the shell 110 is located below the impurity filter disc 134.

[0098] a plurality of valves 115, which are respectively arranged on the backflow pipe 114, the water outlet 112 and the water inlet 111.

[0099] In the embodiment, through the pollutant concentration detection assembly 121, the valves 115 and the backflow pipe 114, the pollutant concentration can be detected in real time, the operation effect of the adsorption device 100 can be understood, and the backflow pipe 114 can be opened in time to improve the wastewater treatment effect. Through analysis of the detection data, measures can be taken to optimize the operation parameters of the adsorption device 100, and the saturation point of the adsorption material can be predicted, so that the backwashing system is opened, the adsorbent is flushed, the adsorbent activity is restored, the service life of the adsorbent is prolonged, the filter layer is prevented from being blocked, the maintenance cost is reduced, the water quality is improved, the operation automation is realized, the secondary pollution is prevented, and the like.

[0100] Further, the backflow pipe 114 is provided with the valve 115, which is used for backflow treatment of wastewater with poor treatment effect.

[0101] The water inlet 111 is provided with the valve 115, the flow detector 123 and the pollutant concentration detection assembly 121.

[0102] The water outlet 112 is provided with the valve 115, the pollutant concentration detection assembly 121 and the backflow pipe 114.

[0103] The use process and principle of the utility model: when the pesticide wastewater enters the adsorption device 100 from the water inlet 111, first pass through the flow detector 123 and the pollutant concentration detector, if the flow is too large, the flow can be reduced through the flow controller 1221, the wastewater enters, the water level slowly rises at the same time opening the aeration assembly 135, fully stirring the wastewater, the wastewater first passes through the impurity filter disc 134, filters out some suspended solids, then passes through the activated carbon powder adsorption disc 133, removes the colority and odor of the wastewater, the water level continues to rise to the molecular sieve adsorption disc 132, the molecular sieve removes further organic pollutants and heavy metal ions and other substances, reaches the standard and is discharged by the water outlet 112, if not reaching the water outlet standard, then is recycled through the reflux pipe 114, if the water outlet pollutant concentration has no obvious change, it is possible that the adsorbent adsorption capacity reaches saturation, the backwashing assembly 131 can be opened to flush the filter disc and the adsorption disc.

[0104] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0105] In addition, the terms "first", "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0106] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sewage adsorption device, characterized by, The sewage adsorption device comprises: a shell having a water inlet and a water outlet, the water inlet being located at the bottom of the shell, and the water outlet being located at the top of the shell; a control assembly arranged in the shell, the control assembly being arranged at the water inlet and the water outlet; an adsorption assembly arranged in the shell, the adsorption assembly being located between the water inlet and the water outlet.

2. The sewage adsorption device according to claim 1, wherein the adsorption assembly comprises: a backwashing assembly arranged at the top of the shell; a molecular sieve adsorption disc; an activated carbon powder adsorption disc; and an impurity filter disc, the molecular sieve adsorption disc, the activated carbon powder adsorption disc and the impurity filter disc being arranged in the shell and being arranged in the direction from the water outlet to the water inlet.

3. The sewage adsorption device according to claim 2, wherein the adsorption assembly further comprises: an aeration assembly arranged in the inner wall of the shell.

4. The sewage adsorption device according to claim 2, wherein the backwashing assembly comprises: a water distribution pipe having a plurality of water distribution holes, the top of the shell having through holes matched with the water distribution holes, and the water distribution pipe having a water inlet end.

5. The sewage adsorption device according to claim 3, wherein the aeration assembly comprises: an aeration pipe arranged on the inner wall of the shell; a plurality of aeration holes arranged on the aeration pipe, and the aeration holes being arranged between the molecular sieve adsorption disc, the activated carbon powder adsorption disc and the impurity filter disc.

6. The sewage adsorption device according to claim 2, wherein the control assembly comprises: a pollutant concentration detection assembly arranged at the water inlet and the water outlet respectively; and a monitoring assembly arranged on the outer wall of the shell.

7. The sewage adsorption device according to claim 2, characterized by Further comprising: a sludge discharge pipe arranged at the bottom of the shell, the sludge discharge pipe being located below the impurity filter disc.

8. The sewage adsorption device according to claim 6, characterized in that, Further comprising: a backflow pipe, one end of the backflow pipe being in communication with the water outlet, the other end of the backflow pipe being in communication with the bottom of the shell, and the communication part of the backflow pipe with the shell being located below the impurity filter disc.

9. The sewage adsorption device according to claim 8, characterized in that, Further comprising: a plurality of valves, the valves being arranged on the backflow pipe, the water outlet and the water inlet respectively.

10. The sewage adsorption device according to claim 1, wherein waste water enters the shell through the water inlet and is discharged through the water outlet.

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