Triangular arrangement type sewage treatment adsorption device

Abstract

A triangular arrangement type sewage treatment adsorption device comprises N adsorption towers, in the N adsorption towers, N-1 adsorption towers are adsorption towers for current sewage treatment and are called working adsorption towers, and one adsorption tower is a standby adsorption tower or an adsorption tower for adsorbent replacement and is called a to-be-working adsorption tower; each adsorption tower comprises a water inlet, a water outlet, an adsorbent inlet and an adsorbent outlet. The water purification device is simple in structure, and the water purification efficiency is improved while the water purification effect is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of water treatment, and more specifically, to a triangular arrangement type sewage treatment adsorption device. Background Art

[0002] Activated carbon has a wide range of impurity adsorption capabilities. It can remove organic substances that are difficult to remove by general biochemical treatment and physicochemical treatment units. It can not only deodorize, decolorize, remove trace elements and radioactive substances, but also adsorb various types of organic substances, such as high molecular hydrocarbons, halogenated hydrocarbons, chlorinated aromatic hydrocarbons, polynuclear aromatic hydrocarbons, phenols, benzenes, and pesticides.

[0003] At present, the treatment of sewage mainly uses an adsorption tower of activated carbon to purify sewage. In order to ensure the quality of water treatment, a multi-stage adsorption tower is also used to treat sewage. However, for the activated carbon in the adsorption tower near the sewage inlet, due to more contact with pollutants and shorter service life, it needs to be frequently replaced. At this time, the operation of the adsorption tower needs to be stopped to replace the activated carbon in the adsorption tower, which affects the water treatment efficiency of the adsorption tower.

[0004] Therefore, the problems existing in the prior art need to be further improved and developed. Summary of the Invention

[0005] (I) Object of the Invention: To solve the problems existing in the above-mentioned prior art, the object of the present invention is to provide a triangular arrangement type sewage treatment adsorption device.

[0006] (II) Technical Solution: To solve the above technical problems, the present technical solution provides a triangular arrangement type sewage treatment adsorption device, which includes N adsorption towers. Among the N adsorption towers, N - 1 adsorption towers are the adsorption towers for current sewage treatment, called working adsorption towers, and 1 is the adsorption tower for standby or replacing adsorbents, called the to-be-worked adsorption tower;

[0007] Each adsorption tower includes a water inlet, a water outlet, an adsorbent inlet, and an adsorbent outlet.

[0008] For the above-mentioned triangular arrangement type sewage treatment adsorption device, the water inlets of the N adsorption towers are respectively connected to the input end of the water to be purified through water inlet pipes.

[0009] For the above-mentioned triangular arrangement type sewage treatment adsorption device, control valves are respectively arranged on the water inlet pipes of each adsorption tower.

[0010] For the above-mentioned triangular arrangement type sewage treatment adsorption device, the water outlets of the N adsorption towers are respectively connected to the output end of the purified water through water outlet pipes.

[0011] For the described triangular-arrangement sewage treatment adsorption device, control valves are respectively arranged on the water outlet pipes of each adsorption tower.

[0012] For the described triangular-arrangement sewage treatment adsorption device, water quality detection devices are respectively arranged on the water inlet pipe connected to the purified water body input end and the water outlet pipe connected to the water outlets of the N adsorption towers.

[0013] For the described triangular-arrangement sewage treatment adsorption device, pressure monitoring devices are respectively arranged on the water outlet pipe connected to the water outlets of the N adsorption towers and the water outlet pipe connected to the purified water body output end.

[0014] For the described triangular-arrangement sewage treatment adsorption device, the water inlet pipe connected to the water inlets of the N adsorption towers and the water outlet pipe connected to the water outlets of the N adsorption towers are connected through an intermediate pipe.

[0015] For the described triangular-arrangement sewage treatment adsorption device, control valves are respectively arranged at the ends close to the water inlets on the water inlet pipes connected to the water inlets of the N adsorption towers; control valves are respectively arranged at the ends close to the water outlets on the water outlet pipes connected to the water outlets of the N adsorption towers.

[0016] For the described triangular-arrangement sewage treatment adsorption device, the adsorbent inlets of the N adsorption towers are respectively connected to the adsorbent addition pipeline through feed pipes.

[0017] For the described triangular-arrangement sewage treatment adsorption device, control valves are respectively arranged on the feed pipes connected to the adsorbent addition pipeline and the feed pipes connected to the adsorbent inlets of the N adsorption towers.

[0018] For the described triangular-arrangement sewage treatment adsorption device, the adsorbent outlets of the N adsorption towers are respectively connected to the adsorbent discharge pipeline through discharge pipes.

[0019] For the described triangular-arrangement sewage treatment adsorption device, control valves are respectively arranged on the discharge pipes of each adsorption tower.

[0020] (III) Beneficial effects: The present invention provides a triangular-arrangement sewage treatment adsorption device, which has a simple structure and improves the water purification efficiency while ensuring the water purification effect. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of a preferred embodiment of a triangular-arrangement sewage treatment adsorption device of the present invention;

[0022] Figure 2 It is a schematic diagram of the relationship between the water inlet pipe and the water outlet pipe of a preferred embodiment of a triangular-arrangement sewage treatment adsorption device of the present invention;

[0023] Figure 3 It is a schematic diagram of the relationship between the feed pipe and the discharge pipe of a preferred embodiment of a triangular arrangement sewage treatment adsorption device of the present invention;

[0024] 100 - adsorption tower; 101 - water inlet; 102 - water outlet; 103 - adsorbent inlet; 104 - adsorbent outlet; 105 - water inlet pipe; 106 - water outlet pipe; 107 - control valve; 108 - pressure monitoring device; 109 - water quality detection device; 110 - feed pipe; 111 - discharge pipe; 112 - intermediate pipe. Specific embodiments

[0025] The following further describes the present invention in detail with reference to preferred embodiments. More details are elaborated in the following description to facilitate a full understanding of the present invention. However, the present invention can obviously be implemented in many other ways different from this description. Those skilled in the art can make similar generalizations and deductions according to the actual application situation without departing from the connotation of the present invention. Therefore, the protection scope of the present invention should not be limited by the content of this specific embodiment.

[0026] The attached drawing is a schematic diagram of an embodiment of the present invention. It should be noted that this attached drawing is only for illustration and is not drawn according to the condition of equal proportion, and should not be used to limit the actual claimed protection scope of the present invention.

[0027] A triangular arrangement sewage treatment adsorption device includes N adsorption towers 100, where N is a positive integer greater than or equal to 3. Among the N adsorption towers 100, N - 1 adsorption towers 100 are the adsorption towers 100 for current sewage treatment, called working adsorption towers 100, and 1 is the adsorption tower 100 for standby or adsorbent replacement, called the to-be-worked adsorption tower 100. Here, N is taken as equal to 3 as an example.

[0028] Among the N adsorption towers 100, each adsorption tower 100 includes an adsorbent, a water inlet 101, a water outlet 102, an adsorbent inlet 103, and an adsorbent outlet 104.

[0029] The adsorbent is arranged inside the tower body of the adsorption tower 100 and is used to purify the water body to be purified flowing in. The water inlet 101 is arranged at one end of the tower body of the adsorption tower 100 close to the placement plane. The water body to be purified enters the adsorption tower 100 from the water inlet 101. Under the pressure of the water body to be purified itself, the water body passes through the adsorbent from bottom to top for purification, so as to realize the purification of the water body to be purified. The water outlet 102 is arranged at one end of the tower body of the adsorption tower 100 far from the placement plane. After the water body to be purified passes through the adsorbent, it is discharged from the water outlet 102 out of the current adsorption tower 100. The adsorbent inlet 103 is arranged at one end of the tower body of the adsorption tower 100 far from the placement plane. The adsorbent is added into the tower body of the adsorption tower 100 through the adsorbent inlet 103. The adsorbent outlet 104 is arranged at one end of the tower body of the adsorption tower 100 close to the placement plane. The adsorbent is discharged from the adsorption tower 100 through the adsorbent outlet 104.

[0030] The adsorption tower 100 may further include a discharging device. The discharging device is connected to the adsorbent outlet 104, and the discharging device discharges the adsorbent in the adsorption tower 100 through the adsorbent outlet 104 out of the current adsorption tower 100.

[0031] The water inlets 101 of the N adsorption towers 100 are respectively communicated with the water body to be purified input end through water inlet pipes 105. Control valves 107 are respectively arranged on the water inlet pipes 105 of each adsorption tower 100, and the control valves 107 control whether the adsorption tower 100 communicated with the control valves 107 allows the water body to be purified to flow in.

[0032] Specifically, the purified water body input end is connected to a first diverting device through a total water inlet pipe. The first diverting device is used to increase the conveying connection ports of the total water inlet pipe. The first diverting device includes N + 1 conveying connection ports. The conveying connection ports of the first diverting device are respectively connected to the water body to be purified input end and the water inlets 101 of the N adsorption towers 100 through water inlet pipes 105, and control valves 107 are respectively arranged on each water inlet pipe 105.

[0033] The water inlet pipe 105 connected to the water body to be purified input end is called the total water inlet pipe, and the control valve 107 on the total water inlet pipe is called the total water inlet valve. The water inlet pipe 105 connected to the water inlet 101 of the adsorption tower 100 is called the water inlet branch pipe, and the control valve 107 on the water inlet branch pipe is called the water inlet branch valve.

[0034] The water outlets 102 of the N adsorption towers 100 are respectively communicated with the purified water body output end through water outlet pipes 106. Control valves 107 are respectively arranged on the water outlet pipes 106 of each adsorption tower 100, and the control valves 107 control whether the adsorption tower 100 communicated with the control valves 107 discharges the purified water body of the adsorption tower 100.

[0035] Specifically, the output end of the purified water body is connected to the second diversion device through the total water outlet pipe, and the second diversion device is used to increase the conveying connection ports of the total water outlet pipe. The second diversion device includes N + 1 conveying connection ports. The conveying connection ports of the second diversion device are respectively connected to the output end of the purified water body and the water outlet 102 of N adsorption towers 100 through the water outlet pipes 106, and control valves 107 are respectively arranged on each water outlet pipe 106.

[0036] The water outlet pipe 106 connected to the output end of the purified water body is called the total water outlet pipe, and the control valve 107 on the total water outlet pipe is called the total water outlet valve. The water outlet pipe 106 connected to the water outlet 102 of the adsorption tower 100 is called the sub-water outlet pipe, and the control valve 107 on the sub-water outlet pipe is called the sub-water outlet valve.

[0037] The water inlet pipe 105 connected to the water inlet 101 of N adsorption towers 100 is connected to the water outlet pipe 106 connected to the water outlet 102 of N adsorption towers 100 through the intermediate pipe 112, that is, the water inlet sub-pipe connected to each adsorption tower 100 is connected to the water outlet sub-pipe connected to each adsorption tower 100 through the intermediate pipe 112. Control valves 107 are respectively arranged at one ends of the water inlet pipes 105 connected to the water inlets 101 of N adsorption towers 100 close to the water inlets 101, and the control valves 107 are called the intermediate water inlet control valves; control valves 107 are respectively arranged at one ends of the water outlet pipes 106 connected to the water outlets 102 of N adsorption towers 100 close to the water outlets 102, and the control valves 107 are called the intermediate water outlet control valves.

[0038] Specifically, one end of the intermediate pipe 112 connected to the water inlet 101 of the adsorption tower 100 is called the intermediate water inlet end, and one end of the intermediate pipe 112 connected to the water outlet 102 of the adsorption tower 100 is called the intermediate water outlet end. The intermediate water inlet end and the intermediate water outlet end of the intermediate pipe 112 respectively include N connection nozzles. The N connection nozzles at the intermediate water inlet end of the intermediate pipe 112 are respectively connected to the water inlet pipes 105 (i.e., water inlet sub-pipes) connected to the water inlets 101 of N adsorption towers 100, and the N connection nozzles at the intermediate water outlet end of the intermediate pipe 112 are respectively connected to the water outlet pipes 106 (i.e., water outlet sub-pipes) connected to the water outlets 102 of N adsorption towers 100. Control valves 107 are respectively arranged on the N connection nozzles at the intermediate water inlet end of the intermediate pipe 112 and the N connection nozzles at the intermediate water outlet end of the intermediate pipe 112. Among them, the control valve 107 at the intermediate water inlet end of the intermediate pipe 112 is the intermediate water inlet control valve, and the control valve 107 at the intermediate water outlet end of the intermediate pipe 112 is the intermediate water outlet control valve.

[0039] The outlet pipes 106 (i.e., each water outlet branch pipe of the outlet pipe 106) connected to the water outlet 102 of the N adsorption towers 100 and the outlet pipe 106 (i.e., the total water outlet pipe) connected to the purified water output end are respectively provided with pressure monitoring devices 108. The pressure monitoring device 108 is used to monitor the pressure in the pipeline and convert the pressure into a pneumatic signal or an electric signal for control and remote transmission, and specifically can be a pressure transmitter.

[0040] On the water inlet pipe 105 (i.e., the total water inlet pipe) connected to the purified water input end and the outlet pipe 106 (i.e., each water outlet branch pipe of the outlet pipe 106) connected to the water outlet 102 of the N adsorption towers 100, water quality detection devices 109 are respectively provided. The water quality detection device 109 is used to detect the chemical oxygen demand of the sewage, and specifically can be a COD analyzer, a uv254 analyzer, or a chromaticity and turbidity tester, etc.

[0041] When the water quality detection device 109 and the pressure monitoring device 108 are abnormal, the opening or closing of the control valve 107 is adjusted to adjust the flow path of the sewage.

[0042] The adsorbent inlets 103 of the N adsorption towers 100 are respectively connected to the adsorbent addition pipeline through the feed pipes 110. Specifically, the feed pipe 110 includes a feed main pipeline, a feed branch pipeline, and a feed loop pipeline. One end of the feed main pipeline is communicated with the adsorbent addition pipeline, and the other end is communicated with the feed loop pipeline. One end of the feed branch pipeline is connected to the adsorbent inlet 103 of the adsorption tower 100, and the other end is communicated with the feed loop pipeline. The feed loop pipeline forms a closed figure, which can specifically be a polygon, such as a triangle, or can also be a ring, and no specific limitation is made here.

[0043] Control valves 107 are respectively provided on the feed pipe 110 (i.e., the feed main pipeline) connected to the adsorbent addition pipeline and the feed pipe 110 (i.e., the feed branch pipeline) connected to the adsorbent inlets 103 of the N adsorption towers 100. The control valve 107 controls the addition of the adsorbent to the adsorption tower 100. The control valve 107 on the feed pipe 110 (i.e., the feed main pipeline) connected to the adsorbent addition pipeline is called the feed main valve. The control valve 107 on the feed pipe 110 (i.e., the feed branch pipeline) connected to the adsorbent inlets 103 of the N adsorption towers 100 is called the feed branch valve.

[0044] The adsorbent outlets 104 of the N adsorption towers 100 are respectively connected to the adsorbent discharge pipeline through the discharge pipes 111. Control valves 107 are respectively provided on the discharge pipes 111 of each adsorption tower 100. The control valve 107 controls whether the adsorption tower 100 connected to the control valve 107 discharges the adsorbent.

[0045] Specifically, the adsorbent discharge pipe is connected to the third flow - dividing device through the discharge pipe 111. The third flow - dividing device is used to increase the conveying connection ports of the discharge pipe 111. The third flow - dividing device includes N + 1 conveying connection ports. The conveying connection ports of the third flow - dividing device are respectively connected to the adsorbent discharge pipe and the adsorbent outlets 104 of N adsorption towers 100 through the discharge pipes 111, and control valves 107 are respectively arranged on each discharge pipe 111.

[0046] The discharge pipe 111 connected to the adsorbent discharge pipe is called the main discharge pipe, and the control valve 107 on the main discharge pipe is called the main discharge valve. The discharge pipe 111 connected to the adsorbent outlet 104 of the adsorption tower 100 is called the branch discharge pipe, and the control valve 107 on the branch discharge pipe is called the branch discharge valve.

[0047] When the adsorbent in the adsorption tower 100 needs to be replaced, the adsorbent in the specified adsorption tower 100 is replaced by adjusting the opening or closing of the control valve 107.

[0048] The control valve 107 can be a manual control valve or an automatic control valve, and no specific limitation is made here.

[0049] A triangular - arranged sewage treatment adsorption device can, during the water purification process, control the opening or closing of the control valve 107 according to the saturation degree of the adsorbent in each adsorption tower, adjust the level of the adsorption tower, or stop the water purification of the specified adsorption tower to replace the adsorbent in the specified adsorption tower. This realizes the replacement of the saturated adsorbent without affecting water purification, and improves the water purification efficiency of the sewage treatment adsorption device.

[0050] The above content is an illustration of the preferred embodiments of the present invention - creation, which can help those skilled in the art to more fully understand the technical solution of the present invention - creation. However, these embodiments are only examples, and it cannot be determined that the specific implementation manners of the present invention - creation are limited to the descriptions of these embodiments. For those of ordinary skill in the technical field to which the present invention - creation belongs, without departing from the concept of the present invention - creation, several simple deductions and transformations can still be made, which should all be regarded as belonging to the protection scope of the present invention - creation.

Claims

1. A triangular arrangement type sewage treatment adsorption device, characterized in that, It includes N adsorption towers. Among the N adsorption towers, N - 1 adsorption towers are the adsorption towers for current sewage treatment, called working adsorption towers, and 1 is the adsorption tower for standby or adsorbent replacement, called the to-be-working adsorption tower; Each adsorption tower includes a water inlet, a water outlet, an adsorbent inlet and an adsorbent outlet.

2. The triangular arrangement type sewage treatment adsorption device according to claim 1, characterized in that, The water inlets of the N adsorption towers are respectively connected to the input end of the water to be purified through water inlet pipes.

3. The triangular arrangement type sewage treatment adsorption device according to claim 2, wherein, Control valves are respectively arranged on the water inlet pipes of each adsorption tower.

4. The triangular arrangement type sewage treatment adsorption device according to claim 1, characterized in that, The water outlets of the N adsorption towers are respectively connected to the output end of the purified water through water outlet pipes.

5. The triangular arrangement type sewage treatment adsorption device according to claim 4, characterized in that, Control valves are respectively arranged on the water outlet pipes of each adsorption tower.

6. The triangular arrangement type sewage treatment adsorption device according to claim 2 or 4, characterized in that, Water quality detection devices are respectively arranged on the water inlet pipes connected to the input end of the purified water and the water outlet pipes connected to the water outlets of the N adsorption towers.

7. The triangular arrangement type sewage treatment adsorption device according to claim 4, wherein, Pressure monitoring devices are respectively arranged on the water outlet pipes connected to the water outlets of the N adsorption towers and the water outlet pipes connected to the output end of the purified water.

8. The triangular arrangement type sewage treatment adsorption device according to claim 2 or 4, characterized in that, The water inlet pipes connected to the water inlets of the N adsorption towers and the water outlet pipes connected to the water outlets of the N adsorption towers are connected through intermediate pipes.

9. The triangular arrangement type sewage treatment adsorption device according to claim 8, characterized in that, Control valves are respectively arranged at the ends of the water inlet pipes connected to the water inlets of the N adsorption towers close to the water inlets; control valves are respectively arranged at the ends of the water outlet pipes connected to the water outlets of the N adsorption towers close to the water outlets.

10. The triangular arrangement type sewage treatment adsorption device according to claim 1, wherein, The adsorbent inlets of the N adsorption towers are respectively connected to the adsorbent addition pipeline through feed pipes.

11. The triangular arrangement type sewage treatment adsorption device according to claim 10, characterized in that, Control valves are respectively arranged on the feed pipes connected to the adsorbent addition pipeline and the feed pipes connected to the adsorbent inlets of the N adsorption towers.

12. The triangular arrangement type sewage treatment adsorption device according to claim 1, wherein, The adsorbent outlets of the N adsorption towers are respectively connected to the adsorbent discharge pipeline through discharge pipes.

13. The triangular arrangement type sewage treatment adsorption device according to claim 12, characterized in that, Control valves are respectively arranged on the discharge pipes of each adsorption tower.

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