High-concentration aldehyde-containing phenolic resin wastewater treatment device

Abstract

The utility model relates to a high-concentration aldehyde-containing phenolic resin wastewater treatment device which comprises a device box body with the top of an open structure, and further comprises a transverse pipe which is arranged in the device box body, the top of the transverse pipe is communicated with a plurality of spray heads, and the two sides of the transverse pipe are of sealed structures; the aeration mechanism is communicated with the bottom of the transverse pipe and comprises a first connecting pipe, the bottom of the first connecting pipe is communicated with a compressible pipeline, the bottom of the compressible pipeline is communicated with a second connecting pipe, the bottom of the second connecting pipe is fixedly communicated with a rotating joint, a first gear is mounted outside the rotating joint, and one side of the first gear is meshed with a second gear; in the aeration process, the first motor drives the plurality of gears for transmission, so that the transverse pipe and the plurality of nozzles are driven to rotate, the transverse pipe and the plurality of nozzles are enabled to rotate and stir in wastewater, and in the stirring process, the aeration of the wastewater is realized, and the wastewater at different positions can be uniformly subjected to aeration treatment.

Description

Technical Field

[0001] The utility model relates to the field of high-concentration aldehyde-containing phenolic resin wastewater treatment, in particular to a high-concentration aldehyde-containing phenolic resin wastewater treatment device. Background Art

[0002] During the production process of phenolic resin and modified phenolic resin, a certain amount of process wastewater needs to be discharged. The phenol content in the wastewater is as high as 30,000-80,000 mg / L, the formaldehyde content is as high as 10,000-30,000 mg / L, and the COD (chemical oxygen demand) is as high as 100,000-250,000 mg / L. It is an organic chemical wastewater that is difficult to treat.

[0003] According to the published patent 201721383957.4, a phenolic resin wastewater treatment device includes a hybrid reactor, a sedimentation tank and a catalytic reaction tank. The inner reaction tank and the outer reaction tank are used to completely mix the phenolic resin wastewater with the sludge. The oxygen provided by the aeration device can quickly convert the high-concentration organic matter in the wastewater into carbon dioxide and water through microorganisms. The structure is reasonably designed, occupies a small area, has strong impact resistance, and has a good treatment effect. It has the advantages of low cost, simple process, convenient operation, and strong practicality. In the process of realizing the utility model, the inventor found that at least the following problems in the prior art have not been solved. Although the resin can be partially recovered and a large amount of organic matter that is difficult to be biodegraded in the water can be removed at the same time, compared with the traditional treatment method, it has the advantages of environmental protection and economy. However, during use, the traditional high-concentration phenolic resin wastewater treatment device uses an aeration device to aerate the wastewater. During the aeration process, aeration is generally performed from one position, which affects the uniformity of aeration in the wastewater, resulting in a poor aeration effect at different positions in the wastewater. Therefore, it is necessary to design a new technical solution. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art, meet the actual needs, and provide a high-concentration phenolic resin wastewater treatment device to solve the current traditional high-concentration phenolic resin wastewater treatment device, which uses an aeration device to aerate the wastewater. During the aeration process, aeration is generally performed from one position, which affects the uniformity of aeration in the wastewater, resulting in a technical problem that the aeration effect at different positions in the wastewater is not very good.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a high-concentration phenolic resin wastewater treatment device, including a device box, the top of the device box is an open structure, and also includes:

[0006] A horizontal pipe is arranged in the device box, the top of the horizontal pipe is connected to a plurality of nozzles, and both sides of the horizontal pipe are sealed structures;

[0007] An aeration mechanism is connected at the bottom of the horizontal pipe, and the aeration mechanism includes a first connecting pipe, a compressible pipe is connected at the bottom of the first connecting pipe, a second connecting pipe is connected at the bottom of the compressible pipe, a rotating joint is fixedly connected at the bottom of the second connecting pipe, a first gear is installed on the outside of the rotating joint, a second gear is meshed on one side of the first gear, a rotating rod is fixed at the bottom of the second gear, the bottom of the rotating rod passes through a device box and is connected to a first motor shaft, the bottom of the first motor shaft is connected to a first motor, and a device box is installed on the top of the first motor.

[0008] Preferably, the bottom of the rotary joint is rotatably connected to an air pump, and the bottom of the air pump is connected to a third connecting pipe through a device box.

[0009] Preferably, a bearing is installed outside the first connecting tube, a connecting rod is fixed on one side of the bearing, a movable plate is fixed on the other end of the connecting rod, a threaded rod passes through the front end of the movable plate, and the threaded rod is threadedly connected to the screw hole in the movable plate.

[0010] Preferably, a second motor shaft is fixed to the top of the threaded rod, a second motor is connected to the top of the second motor shaft through a fixing plate, a fixing plate is installed at the bottom of the second motor, and a device box is fixed to one side of the fixing plate.

[0011] Preferably, a limiting rod passes through the rear end of the movable plate, and a device box is fixed to the bottom of the limiting rod.

[0012] Preferably, both upper and lower sides of the front end of the device box are connected to one end of a water pipe, and the other end of the water pipe is detachably connected to a pipe cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model, through the combination of a transverse tube, gears and a rotary joint, can drive a plurality of gear transmissions through a first motor during aeration, thereby driving the transverse tube and a plurality of nozzles to rotate, so that the transverse tube and the plurality of nozzles rotate and stir in the wastewater, and in the process of stirring, aeration of the wastewater is achieved, and wastewater at different positions can be evenly aerated, which solves the problem that the traditional high-concentration phenolic resin wastewater treatment device uses an aeration device to aerate the wastewater. During the aeration process, aeration is generally performed from one position, which affects the uniformity of aeration in the wastewater, resulting in a technical problem that the aeration effect at different positions in the wastewater is not very good.

[0015] 2. Through the combination of threaded rods, movable plates and connecting rods, the utility model can drive the movable plates to move up and down through the threaded rods during the rotary aeration of the transverse tube and multiple nozzles, and the movable plates will drive the connecting rods and bearings to move up and down, so that the transverse tube and multiple nozzles can move up and down during the rotary aeration, thereby realizing aeration of different heights in the wastewater and further improving the uniformity of aeration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the device box of the utility model.

[0018] In the figure: 1. device box; 2. horizontal pipe; 201. nozzle; 202. first connecting pipe; 203. first gear; 204. second gear; 205. rotating rod; 206. first motor shaft; 207. first motor; 208. compressible pipe; 209. second connecting pipe; 210. rotating joint; 211. air pump; 212. third connecting pipe; 213. bearing; 214. connecting rod; 3. movable plate; 301. threaded rod; 302. second motor shaft; 303. fixed plate; 304. second motor; 305. limiting rod; 306. water pipe; 307. pipe cover. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Example 1: A high concentration of phenolic resin wastewater treatment device, see Figure 1 to Figure 2, including a device box 1, the top of the device box 1 is an open structure, and also includes: a horizontal pipe 2, which is arranged in the device box 1, and the top of the horizontal pipe 2 is connected to a plurality of nozzles 201, and both sides of the horizontal pipe 2 are sealed structures; an aeration mechanism, which is connected to the bottom of the horizontal pipe 2, and the aeration mechanism includes a first connecting pipe 202, the bottom of the first connecting pipe 202 is connected to a compressible pipe 208, the bottom of the compressible pipe 208 is connected to a second connecting pipe 209, and the bottom of the second connecting pipe 209 is fixedly connected to a rotary joint 210, and the rotary joint 210 A first gear 203 is installed on the outside, a second gear 204 is meshed on one side of the first gear 203, a rotating rod 205 is fixed at the bottom of the second gear 204, the bottom of the rotating rod 205 passes through the device box 1 and is connected to the first motor shaft 206, the bottom of the first motor shaft 206 is connected to the first motor 207, and the top of the first motor 207 is installed with the device box 1. First, turn on the air pump 211, and the air pump 211 will draw the external gas into the third connecting pipe 212, the second connecting pipe 209 and the first connecting pipe 202, and input it into The gas in the horizontal pipe 2 will be sprayed out through multiple nozzles 201, so as to aerate the inside of the wastewater. During the aeration process, the first motor 207 can be turned on, the first motor 207 drives the first motor shaft 206, the first motor shaft 206 drives the second gear 204, the second gear 204 drives the first gear 203, the first gear 203 drives the rotary joint 210 to rotate, the rotary joint 210 drives the second connecting pipe 209, the compressible pipe 208 and the first connecting pipe 202 to rotate, and the first connecting pipe 202 drives The movable transverse pipe 2 and the multiple nozzles 201 rotate, so that the transverse pipe 2 and the multiple nozzles 201 rotate and stir in the wastewater, and in the process of stirring, aeration of the wastewater is achieved, and wastewater at different positions can be evenly aerated, which solves the problem that the traditional high-concentration phenolic resin wastewater treatment device uses an aeration device to aerate the wastewater. During the aeration process, aeration is generally performed from one position, which affects the uniformity of aeration in the wastewater, resulting in a technical problem that the aeration effect at different positions in the wastewater is not very good.

[0021] For details, see Figure 2 The bottom of the rotary joint 210 is connected to the air pump 211 through rotation, and the bottom of the air pump 211 passes through the device box 1 and is connected to the third connecting pipe 212.

[0022] For further information, see Figure 1A bearing 213 is installed on the outside of the first connecting pipe 202, a connecting rod 214 is fixed on one side of the bearing 213, and a movable plate 3 is fixed on the other end of the connecting rod 214. A threaded rod 301 runs through the front end of the movable plate 3, and the threaded rod 301 is threadedly connected to the screw hole in the movable plate 3. During the rotational aeration of the horizontal pipe 2 and the multiple nozzles 201, the second motor 304 can also be turned on, the second motor 304 drives the second motor shaft 302, the second motor shaft 302 drives the threaded rod 301, the threaded rod 301 will drive the movable plate 3 to move up and down, the movable plate 3 will drive the connecting rod 214, the connecting rod 214 will drive the bearing 213 and the first connecting pipe 202 to move up and down, the first connecting pipe 202 will drive the horizontal pipe 2 and the multiple nozzles 201 to move up and down, so that the horizontal pipe 2 and the multiple nozzles 201 move up and down during the rotational aeration, which can realize the aeration of different heights in the wastewater and further improve the uniformity of aeration.

[0023] It is worth noting that see Figure 2 A second motor shaft 302 is fixed on the top of the threaded rod 301 , a second motor shaft 304 is connected to the top of the second motor shaft 302 through a fixing plate 303 , a fixing plate 303 is installed on the bottom of the second motor 304 , and a device box 1 is fixed on one side of the fixing plate 303 .

[0024] It is worth noting that see Figure 1 The rear end of the movable plate 3 passes through a limiting rod 305 , and the bottom of the limiting rod 305 is fixed with a device box 1 .

[0025] It is worth mentioning that see Figure 1 The upper and lower sides of the front end of the device box 1 are both connected with one end of the water pipe 306, and the other end of the water pipe 306 is detachably connected with a pipe cover 307.

[0026] When using a high-concentration phenolic resin wastewater treatment device, first turn on the air pump 211, the air pump 211 will draw external gas into the third connecting pipe 212, the second connecting pipe 209 and the first connecting pipe 202, and the gas input into the transverse pipe 2 will be sprayed out through multiple nozzles 201, so as to aerate the inside of the wastewater. During the aeration process, the first motor 207 can be turned on, the first motor 207 drives the first motor shaft 206, the first motor shaft 206 drives the second gear 204, the second gear 204 drives the first gear 203, the first gear 203 drives the rotary joint 210 to rotate, the rotary joint 210 will drive the second connecting pipe 209, the compressible pipe 208 and the first connecting pipe 202 to rotate, the first connecting pipe 202 will drive the transverse pipe 2 and the multiple nozzles 201 to rotate, so that the transverse pipe 2 and Multiple nozzles 201 rotate and stir in the wastewater, and during the stirring process, aeration of the wastewater is achieved, and wastewater at different positions can be evenly aerated. During the rotational aeration of the transverse pipe 2 and the multiple nozzles 201, the second motor 304 can also be turned on, the second motor 304 drives the second motor shaft 302, the second motor shaft 302 drives the threaded rod 301, the threaded rod 301 drives the movable plate 3 to move up and down, the movable plate 3 drives the connecting rod 214, the connecting rod 214 drives the bearing 213 and the first connecting pipe 202 to move up and down, the first connecting pipe 202 drives the transverse pipe 2 and the multiple nozzles 201 to move up and down, so that the transverse pipe 2 and the multiple nozzles 201 move up and down during the rotational aeration process, which can achieve aeration of different heights in the wastewater and further improve the uniformity of aeration.

[0027] In addition, the components designed in the present invention are all universal standard parts or components known to technical personnel in the field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in the field, and there is no need to elaborate. The content protected by the present invention does not involve improvements to internal structures and methods.

[0028] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A device for treating wastewater containing high concentration of phenolic resin, comprising a device housing (1), wherein the top of the device housing (1) is an open structure, characterized in that: Also includes: A transverse pipe (2) is arranged in the device box (1), the top of the transverse pipe (2) is connected to a plurality of nozzles (201), and both sides of the transverse pipe (2) are sealed structures; An aeration mechanism is connected to the bottom of the horizontal pipe (2), the aeration mechanism comprising a first connecting pipe (202), the bottom of the first connecting pipe (202) being connected to a compressible pipe (208), the bottom of the compressible pipe (208) being connected to a second connecting pipe (209), the bottom of the second connecting pipe (209) being fixedly connected to a rotating joint (210), the outside of the rotating joint (210) being mounted with a first gear (203), one side of the first gear (203) being meshed with a second gear (204), the bottom of the second gear (204) being fixed with a rotating rod (205), the bottom of the rotating rod (205) passing through the device housing (1) being connected to a first motor shaft (206), the bottom of the first motor shaft (206) being connected to a first motor (207), and the top of the first motor (207) being mounted with the device housing (1).

2. A high-concentration phenolic resin wastewater treatment device as claimed in claim 1, characterized in that: The bottom of the rotary joint (210) is rotatably connected to an air pump (211), and the bottom of the air pump (211) passes through the device box (1) and is connected to a third connecting pipe (212).

3. A high-concentration phenolic resin wastewater treatment device as claimed in claim 1, characterized in that: A bearing (213) is installed on the outside of the first connecting tube (202); a connecting rod (214) is fixed to one side of the bearing (213); a movable plate (3) is fixed to the other end of the connecting rod (214); a threaded rod (301) passes through the front end of the movable plate (3); and the threaded rod (301) is threadedly connected to a screw hole in the movable plate (3).

4. A high-concentration phenolic resin wastewater treatment device as claimed in claim 3, characterized in that: A second motor shaft (302) is fixed on the top of the threaded rod (301); the top of the second motor shaft (302) passes through a fixing plate (303) and is connected to a second motor (304); a fixing plate (303) is installed on the bottom of the second motor (304); and a device box (1) is fixed on one side of the fixing plate (303).

5. A high-concentration phenolic resin wastewater treatment device as claimed in claim 3, characterized in that: A limiting rod (305) passes through the rear end of the movable plate (3), and a device box (1) is fixed to the bottom of the limiting rod (305).

6. A high-concentration phenolic resin wastewater treatment device as claimed in claim 1, characterized in that: The upper and lower sides of the front end of the device box (1) are both connected to one end of a water pipe (306), and the other end of the water pipe (306) is detachably connected to a pipe cover (307).

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