Phosphorus-containing water treatment device for ethanol preparation system

Abstract

The utility model discloses a phosphorus-containing water treatment device for an ethanol preparation system, and relates to the technical field of phosphorus-containing water treatment, the phosphorus-containing water treatment device comprises a coagulating basin, an aeration pipe network is arranged in the coagulating basin in an overhead manner, and the aeration pipe network comprises a plurality of aeration discs with vertically upward output directions; the aeration device further comprises a guide cover mounted in the coagulating basin through supporting legs, and the plurality of aeration discs are arranged in the guide cover; an arc-shaped dome fixed through connecting rods arranged in a circumferential array mode is arranged at the top of the guide cover, and an escape channel is formed between the arc-shaped dome and the guide cover. And arc-shaped guide plates which are arranged in a circumferential array are arranged on the inner wall of the arc-shaped dome. According to the phosphorus-containing water treatment device for the ethanol preparation system, provided by the utility model, aeration is matched with the guide cover and the arc-shaped dome, so that circulation is formed in the coagulating basin, and the mixing of a medicament and ethanol is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of phosphorus-containing water treatment, in particular to a phosphorus-containing water treatment device for an ethanol preparation system. Background Art

[0002] Ethanol is a colorless, non-toxic, pungent, transparent liquid that is easily flammable, volatile, and a pure liquid. Ethanol is commonly known as alcohol. Ethanol has a wide range of uses. It can be used to make acetic acid, beverages, flavors, dyes, and dyes, etc. Ethanol is also commonly used in disinfectants, etc. It has a wide range of uses in the national defense industry, medical and health care, organic synthesis, food industry, and industrial and agricultural production.

[0003] In conjunction with the disclosure (announcement) number: CN101875527B, the disclosure (announcement) date: 2011-09-28, a highly efficient method for treating potato ethanol wastewater is disclosed. Wastewater from the potato ethanol production process is subjected to the processes of primary anaerobic water inlet cooling, primary high-temperature anaerobic, active anaerobic sludge separation, liquid-solid separation, sludge drying, sludge precipitation and concentration reuse, secondary anaerobic water inlet heating, secondary high-temperature anaerobic, aerobic and deep treatment. First, the water is cooled by the secondary anaerobic regulating tank heater 12 and then sent to the primary anaerobic regulating tank 1. The outlet water temperature of the primary anaerobic regulating tank is controlled by the wastewater cooler 2 to realize the control of the anaerobic operating temperature of the primary anaerobic tank 3. The anaerobic operating temperature of the primary anaerobic tank 3 is 55-65°C. The aerobic water is further deeply treated by adding oxidants such as ozone. The COD concentration of the sewage after deep treatment can be less than 100mg / L, so that the sewage meets the discharge standards.

[0004] In the prior art including the above-mentioned patent, the wastewater treatment unit in the existing ethanol production process has a high phosphorus content in the concentrated water discharged through the cell concentration unit RO reverse osmosis, which cannot meet the discharge conditions. As a result, the wastewater discharged during the ethanol production process is highly polluting and will cause pollution to the surrounding environment, so it needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a phosphorus-containing water treatment device for an ethanol preparation system. The concentrated water produced by the cell concentration unit RO reverse osmosis has a high phosphorus content and cannot meet the discharge conditions, resulting in the wastewater discharged during the ethanol production process causing pollution to the surrounding environment. A phosphorus-containing water treatment device for an ethanol preparation system is proposed.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A phosphorus-containing water treatment device for an ethanol preparation system comprises a coagulation tank in which an aeration pipe network is overhead arranged, wherein the aeration pipe network comprises a plurality of aeration plates with output directions vertically upward;

[0008] It also includes a guide cover installed in the coagulation tank through supporting legs, and the plurality of aeration discs are all in the guide cover;

[0009] The top of the guide cover is provided with an arc-shaped dome fixed by connecting rods arranged in a circumferential array, and an escape channel is formed between the arc-shaped dome and the guide cover;

[0010] The inner wall of the arc-shaped dome is provided with arc-shaped guide plates arranged in a circumferential array.

[0011] Preferably, the circumferential radius of the arc-shaped dome is greater than the circumferential radius of the guide cover.

[0012] Preferably, the guide cover has a wide opening toward the bottom of the coagulation tank, and its diameter is smaller than the diameter of the port of the guide cover toward the arc dome;

[0013] The guide cover also includes a contraction portion, the diameter of which is smaller than the diameter of the wide mouth and is distributed close to the port.

[0014] Preferably, the aeration plate further comprises a mounting tube and a first paddle blade with air holes on the blades, a floating island is arranged in the mounting tube, and the first paddle blade is mounted on the floating island.

[0015] Preferably, a second blade is provided in the floating island, and an eccentric rod is provided on the end surface of the second blade;

[0016] The first blade is provided with a ball rod, which is rotatably arranged on the floating island and universally connected with the eccentric rod.

[0017] Preferably, the floating island is connected to an aeration pipe network.

[0018] Preferably, a steel cable is fixedly installed on the axis of the second blade, and the steel cable passes through the club and is fixedly connected to the first blade;

[0019] The club is connected to the first blade for circumferential rotation.

[0020] Preferably, it also includes a flocculation tank, a sedimentation tank, and a concentrated water discharge tank, and the flocculation tank, the sedimentation tank, and the concentrated water discharge tank are connected one by one through a water pump pipe group.

[0021] In the above technical scheme, the utility model provides a phosphorus-containing water treatment device for an ethanol preparation system, which has the following beneficial effects: when the agent calcium chloride is added into the coagulation tank according to a predetermined proportion, the external air supply unit at this time pumps air into the aeration network, and then the bubbles pass through the aeration plate upward, thereby encouraging ethanol to flow upward. The ethanol encounters the guide cover and then flows toward the inner wall of the coagulation tank. During the process, it spirals toward the bottom of the coagulation tank under the guidance of the arc-shaped guide plate, and then guides the aeration plate upward, thereby forming a large cycle and accelerating the mixing of the agent and ethanol. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 A schematic diagram of the process structure provided for an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the internal structure of a coagulation tank provided in an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the internal structure of the installation cylinder provided in an embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the internal structure of a floating island provided in an embodiment of the utility model.

[0027] Description of reference numerals:

[0028] 1. Coagulation tank; 2. Aeration pipe network; 3. Aeration plate; 31. Mounting tube; 32. First paddle; 321. Ball rod; 33. Floating island; 34. Second paddle; 341. Eccentric rod; 342. Steel cable; 4. Guide cover; 41. Connecting rod; 42. Contraction part; 5. Arc dome; 6. Arc guide plate; 100. Escape channel; 300. Flocculation tank; 400. Sedimentation tank; 500. Concentrated water discharge tank. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] like Figure 1-4 As shown, a phosphorus-containing water treatment device for an ethanol preparation system includes a coagulation tank 1, in which an aeration pipe network 2 is overheadly arranged, and the aeration pipe network 2 includes a plurality of aeration plates 3 with an output direction vertically upward;

[0031] It also includes a guide cover 4 installed in the coagulation tank 1 through supporting legs, and the plurality of aeration plates 3 are all in the guide cover 4;

[0032] The top of the guide cover 4 is provided with an arc-shaped dome 5 fixed by connecting rods 41 arranged in a circumferential array, and an escape channel 100 is formed between the arc-shaped dome 5 and the guide cover 4;

[0033] The inner wall of the arc-shaped dome 5 is provided with arc-shaped guide plates 6 arranged in a circumferential array.

[0034] Specifically, the circumferential radius of the arc dome 5 in the embodiment is greater than the circumferential radius of the guide cover 4. When the reagent calcium chloride is added into the coagulation tank 1 according to a predetermined ratio, the external air supply unit at this time pumps air into the aeration pipe network 2, and then the bubbles pass through the aeration plate 3 upward, thereby encouraging ethanol to flow upward, and the ethanol encounters the guide cover 4, and then flows toward the inner wall of the coagulation tank 1. During the process, it spirals and flows toward the bottom of the coagulation tank 1 under the guidance of the arc guide plate 6, and then is guided upward by the aeration plate 3, thereby forming a large cycle and accelerating the mixing of the reagent and ethanol.

[0035] As an embodiment further provided by the present invention, the guide cover 4 has a wide opening toward the bottom of the coagulation tank 1, and its diameter is smaller than the diameter of the port of the guide cover 4 toward the arc dome 5;

[0036] The guide cover 4 further includes a contraction portion 42 , the diameter of which is smaller than the diameter of the wide mouth and is distributed close to the port.

[0037] Specifically, the contraction portion 42 is used to contract the tube diameter, thereby increasing the impact force of the liquid impacting the arc dome 5 .

[0038] As another embodiment further provided by the present invention, the aeration plate 3 further includes a mounting tube 31 and a first blade 32 with air holes on the blade. A floating island 33 is arranged in the mounting tube 31 , and the first blade 32 is assembled on the floating island 33 .

[0039] Specifically, the floating island 33 in the embodiment is connected to the aeration pipe network 2 , and the gas in the aeration pipe network 2 is discharged through the air holes on the first blade 32 .

[0040] In the embodiment, when gas passes through the aeration pipe network 2 , the first blade 32 will inevitably be driven to rotate.

[0041] As another embodiment further provided by the present invention, a second blade 34 is disposed in the floating island 33, and an eccentric rod 341 is disposed on the end surface of the second blade 34;

[0042] A ball rod 321 is disposed on the first blade 32 . The ball rod 321 is rotatably disposed on the floating island 33 and is universally connected to the eccentric rod 341 .

[0043] Specifically, the gas in the aeration pipe network 2 in the embodiment impacts the second blade 34, thereby driving the second blade 34 to rotate. The second blade 34 rotates and uses the eccentric rod 341 to drive the ball rod 321 to rotate, so that the first blade 32 has an optimal swing angle with respect to the vertical direction.

[0044] As another embodiment further provided by the present invention, a steel cable 342 is fixedly installed on the axis of the second blade 34, and the steel cable 342 passes through the club 321 and is fixedly connected to the first blade 32;

[0045] The club 321 is connected to the first blade 32 for circumferential rotation.

[0046] Specifically, in the embodiment, when the second blade 34 rotates, the synchronized first blade 32 also keeps rotating.

[0047] As another embodiment further provided by the present invention, it also includes a flocculation tank 300, a sedimentation tank 400, and a concentrated water discharge tank 500. The flocculation tank 1, the flocculation tank 300, the sedimentation tank 400, and the concentrated water discharge tank 500 are connected one by one through a water pump pipe group.

[0048] Specific, combined Figure 1 It can be seen that the wastewater in the coagulation tank 1 is quickly mixed with the additive calcium chloride, and the mixed wastewater is transported to the flocculation tank 300, and then the additive PAM is added to the flocculation tank 300 to mix the additive PAM with the wastewater in the flocculation tank 300. The wastewater in the flocculation tank 300 is transported to the sedimentation tank 400 for processing, and the wastewater in the sedimentation tank 400 will be discharged into the concentrated water discharge tank 500.

[0049] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A phosphorus-containing water treatment device for an ethanol production system, characterized in that: It comprises a coagulation tank (1) in which an aeration pipe network (2) is overhead arranged, and the aeration pipe network (2) comprises a plurality of aeration plates (3) with an output direction vertically upward; It also includes a guide cover (4) installed in the coagulation tank (1) through supporting legs, and the plurality of aeration plates (3) are all in the guide cover (4); The top of the guide cover (4) is provided with an arc-shaped dome (5) fixed by connecting rods (41) arranged in a circumferential array, and an escape channel (100) is formed between the arc-shaped dome (5) and the guide cover (4); The inner wall of the arc-shaped dome (5) is provided with arc-shaped guide plates (6) arranged in a circumferential array.

2. The phosphorus-containing water treatment device for an ethanol production system according to claim 1, characterized in that: The circumferential radius of the arc-shaped dome (5) is greater than the circumferential radius of the guide cover (4).

3. The phosphorus-containing water treatment device for an ethanol production system according to claim 1, characterized in that: The guide cover (4) has a wide opening toward the bottom of the coagulation tank (1), and its diameter is smaller than the diameter of the port of the guide cover (4) toward the arc-shaped dome (5); The guide cover (4) further comprises a contraction portion (42), the diameter of the contraction portion (42) being smaller than the diameter of the wide mouth and being distributed close to the port.

4. The phosphorus-containing water treatment device for an ethanol production system according to claim 1, characterized in that: The aeration plate (3) further comprises a mounting tube (31) and a first blade (32) with air holes on the blade, a floating island (33) is arranged in the mounting tube (31), and the first blade (32) is mounted on the floating island (33).

5. The phosphorus-containing water treatment device for an ethanol production system according to claim 4, characterized in that: A second blade (34) is arranged in the floating island (33), and an eccentric rod (341) is arranged on the end surface of the second blade (34); The first blade (32) is provided with a ball rod (321), the ball rod (321) is rotatably arranged on the floating island (33), and is universally connected to the eccentric rod (341).

6. The phosphorus-containing water treatment device for an ethanol production system according to claim 5, characterized in that: The floating island (33) is in communication with the aeration pipe network (2).

7. The phosphorus-containing water treatment device for an ethanol production system according to claim 5, characterized in that: A steel cable (342) is fixedly installed on the axis of the second blade (34), and the steel cable (342) passes through the club (321) and is fixedly connected to the first blade (32); The club (321) and the first blade (32) are connected to each other in a circumferentially rotatable manner.

8. The phosphorus-containing water treatment device for an ethanol production system according to claim 1, characterized in that: It also includes a flocculation tank (300), a sedimentation tank (400), and a concentrated water discharge tank (500). The flocculation tank (1), the flocculation tank (300), the sedimentation tank (400), and the concentrated water discharge tank (500) are connected one by one through a water pump pipe group.

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