Biochemical engineering sewage treatment equipment

Abstract

The utility model discloses biochemical engineering sewage treatment equipment. The biochemical engineering sewage treatment equipment comprises a sewage tank and a medicament expanding and feeding device, according to the utility model, the medicament expanding and feeding device is arranged on the bottom surface of the inner side of the sewage tank, medicaments are fed into the water inlet pipe through the blanking device and are mixed with sewage to form medicament liquid, and the medicament liquid firstly enters the medicament feeding pipe and then enters the vertical pipe and then is discharged back into the sewage tank through the cylinder hole in the piston cylinder, so that the medicament feeding is realized; a plurality of vertical pipes are distributed on the medicine feeding pipe, medicine feeding point positions can be increased, the diffusion efficiency of medicine in sewage is improved, and therefore the sewage treatment efficiency is improved, spring telescopic rods are arranged at the top of a pipe cover, the spring telescopic rods can provide reset elastic force for piston barrels, and the piston barrels retract to the inner sides of the vertical pipes when not used; and blockage caused by long-time exposure of the cylinder hole is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a biochemical sewage treatment device. Background Art

[0002] Wastewater treatment refers to the process of purifying wastewater to ensure it meets the water quality requirements for discharge into a water body or reuse. Biological treatment is one of the most common wastewater treatment methods, with the advantages of high treatment efficiency and good environmental performance.

[0003] Existing patent application number: 202011284411.X High-efficiency sewage treatment equipment, including a sewage treatment equipment body, the sewage treatment equipment body includes a combined shell, a sedimentation tank, a disinfection tank and a filter tank, the disinfection tank is opened inside the combined shell, the sedimentation tank is opened inside the combined shell and is located on the left side of the disinfection tank, and the filter tank is opened inside the combined shell and is located on the right side of the disinfection tank.

[0004] The above patent records a sewage treatment equipment. In the process of biological sewage treatment, it is necessary to use flocculants and other chemicals to assist microbial treatment to improve treatment efficiency and effect. However, the chemicals are often manually added, the addition points are relatively single, and the addition range is relatively small, resulting in the chemicals taking a long time to diffuse in the sewage. The waiting time for the effect is long, making the addition of chemicals time-consuming and labor-intensive. Therefore, we propose a biochemical sewage treatment equipment to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a biochemical wastewater treatment device to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a biochemical sewage treatment equipment, comprising a sewage tank and a chemical expansion and delivery device, the chemical expansion and delivery device is provided on the bottom surface of the inner side of the sewage tank, and the chemical expansion and delivery device comprises a circulation pump, an inlet pipe, an outlet pipe, a discharger, a drug delivery pipe, a vertical pipe, a pipe cover, a piston cylinder and a cylinder hole. The circulation pump is placed outside the sewage tank, the water inlet end of the circulation pump is connected to the interior of the sewage tank through the water inlet pipe, and the water outlet end of the circulation pump is connected to the interior of the sewage tank through the outlet pipe, the discharger is installed on the top of the outlet pipe, the drug delivery pipe is centrally installed on the bottom surface of the inner side of the sewage tank, the head end of the drug delivery pipe is connected to the water outlet pipe, the end of the drug delivery pipe is in a blocked state, the top of the drug delivery pipe is connected to a vertical pipe, a pipe cover is connected above the top pipe mouth of the vertical pipe, a piston cylinder is sealingly and slidably installed on the inside of the vertical pipe, the cylinder mouth of the bottom end of the piston cylinder is connected to the vertical pipe, the top of the piston cylinder is in a blocked state, and cylinder holes are distributed on the surface of the piston cylinder, and the cylinder holes pass through the interior of the piston cylinder.

[0007] Preferably, the feeder is a spiral feeder.

[0008] Preferably, the length of the medicine delivery pipe is not less than 80% of the internal length of the sewage tank.

[0009] Preferably, the number of the vertical pipes is not less than , and the vertical pipes are evenly distributed on the top of the medicine delivery pipe.

[0010] Preferably, the inner diameter of the bottom opening of the vertical tube is smaller than the outer diameter of the piston cylinder.

[0011] Preferably, a spring telescopic rod is installed on the top of the tube cover, and the telescopic end at the bottom of the spring telescopic rod passes through the tube cover and is connected to the piston cylinder.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model sets a medicine spreading device on the inner bottom surface of the sewage tank, and sends the medicine into the outlet pipe through the feeder to mix with the sewage into a medicine liquid. The medicine liquid will first enter the medicine delivery pipe and then enter the vertical pipe. The medicine liquid is then discharged back to the interior of the sewage tank through the cylinder hole on the piston cylinder, thereby realizing the delivery of the medicine. In addition, a plurality of vertical pipes are distributed on the medicine delivery pipe, which can increase the number of medicine delivery points to improve the diffusion efficiency of the medicine in the sewage, thereby improving the sewage treatment efficiency.

[0014] The utility model provides a spring telescopic rod on the top of the pipe cover, which can provide a reset elastic force for the piston cylinder, so that the piston cylinder is retracted into the inside of the vertical pipe when idle, avoiding blockage caused by long-term exposure of the cylinder hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the circulation pump of the utility model;

[0017] Figure 3 This is a schematic diagram of the partial structure of the medicine delivery tube of the present utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the vertical pipe of the present invention;

[0019] Figure 5 This is a schematic diagram of the working state of the piston cylinder in the utility model.

[0020] In the figure: sewage tank 1, drug expansion device 2, circulation pump 21, water inlet pipe 22, water outlet pipe 23, feeder 24, drug delivery pipe 25, vertical pipe 26, pipe cover 27, piston cylinder 28, cylinder hole 281, spring telescopic rod 29. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0022] See also Figure 1-5 The utility model provides a biochemical sewage treatment equipment, including a sewage tank 1 and a drug expansion device 2. The bottom surface of the inner side of the sewage tank 1 is provided with the drug expansion device 2. The drug expansion device 2 includes a circulation pump 21, an inlet pipe 22, an outlet pipe 23, a feeder 24, a drug delivery pipe 25, a vertical pipe 26, a pipe cover 27, a piston cylinder 28 and a cylinder hole 281. The circulation pump 21 is arranged outside the sewage tank 1, and the water inlet end of the circulation pump 21 is connected to the interior of the sewage tank 1 through the water inlet pipe 22. The water outlet end of the circulation pump 21 is connected to the interior of the sewage tank 1 through the water outlet pipe 23. The top of the outlet pipe 23 is provided with a lower The medicine is supplied into the water outlet pipe 23 through the feeder 24. A medicine delivery pipe 25 is installed in the center of the inner bottom surface of the sewage tank 1. The head end of the medicine delivery pipe 25 is connected to the water outlet pipe 23, and the end of the medicine delivery pipe 25 is in a blocked state. The top of the medicine delivery pipe 25 is connected to a vertical pipe 26. A pipe cover 27 is connected above the top pipe mouth of the vertical pipe 26. A piston cylinder 28 is sealingly and slidingly installed on the inside of the vertical pipe 26. The bottom end of the piston cylinder 28 is connected to the vertical pipe 26. The top of the piston cylinder 28 is in a blocked state. The surface of the piston cylinder 28 is distributed with cylinder holes 281, and the cylinder holes 281 pass through the interior of the piston cylinder 28.

[0023] To further illustrate, the feeder 24 adopts a spiral feeder, which conveys materials through an internal spiral, can achieve continuous and uniform delivery of medicines, and has good sealing performance, which can better meet usage requirements.

[0024] To further illustrate, the length of the medicine delivery pipe 25 is not less than 80% of the internal length of the sewage tank 1 to ensure that the medicine delivery pipe 25 has a sufficient delivery range.

[0025] Further explanation: the number of vertical pipes 26 is no less than 2, and the vertical pipes 26 are evenly distributed on the top of the drug delivery pipe 25 to increase the drug delivery points and improve the diffusion efficiency of the drug in the sewage.

[0026] To further illustrate, the inner diameter of the bottom opening of the vertical tube 26 is smaller than the outer diameter of the piston cylinder 28, so as to prevent the piston cylinder 28 from passing downward through the vertical tube 26 and entering the medicine delivery tube 25 to cause blockage.

[0027] To further explain, a spring telescopic rod 29 is installed on the top of the tube cover 27, and the telescopic end at the bottom of the spring telescopic rod 29 passes through the tube cover 27 and is connected to the piston cylinder 28. The spring telescopic rod 29 can provide a reset elastic force for the piston cylinder 28, so that the piston cylinder 28 retracts to the inside of the vertical tube 26 when idle, thereby avoiding the cylinder hole 281 being exposed for a long time and causing blockage.

[0028] Here’s how it works:

[0029] In the process of treating sewage, it is necessary to use chemicals such as flocculants to assist microbial treatment. When adding chemicals, the circulation pump 21 is first started. The circulation pump 21 will extract sewage from the sewage tank 1 through the water inlet pipe 22, and then pump the sewage into the medicine delivery pipe 25 through the water outlet pipe 23. During this process, the medicine is sent into the outlet pipe 23 through the feeder 24 and mixed with the sewage to form a medicine liquid. The medicine liquid will first enter the medicine delivery pipe 25 and then enter the vertical pipe 26. After the hydraulic pressure in the vertical pipe 26 increases, the piston cylinder 28 will be driven upward by the hydraulic pressure until the piston cylinder 28 is blocked by the pipe cover 27 and stops. At this time, the cylinder hole 281 is separated from the vertical pipe 26 and opened outward. The medicine liquid can be discharged back to the interior of the sewage tank 1 through the cylinder hole 281 on the piston cylinder 28, thereby realizing the addition of the medicine. In addition, a plurality of vertical pipes 26 are distributed on the medicine delivery pipe 25, which can increase the number of medicine delivery points to improve the diffusion efficiency of the medicine in the sewage, thereby improving the sewage treatment efficiency.

[0030] By setting a spring telescopic rod 29 on the top of the tube cover 27, when the medicine expansion device 2 is in an idle state, the hydraulic pressure inside the vertical tube 26 is reduced, and the spring telescopic rod 29 can push the piston cylinder 28 to retract into the inside of the vertical tube 26, avoiding the cylinder hole 281 being exposed for a long time and causing blockage.

[0031] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A biochemical wastewater treatment device, comprising a wastewater tank (1); characterized in that: The sewage tank (1) further comprises a medicine expansion device (2). The medicine expansion device (2) is provided on the inner bottom surface of the sewage tank (1). The medicine expansion device (2) comprises a circulation pump (21), a water inlet pipe (22), a water outlet pipe (23), a feeder (24), a medicine delivery pipe (25), a vertical pipe (26), a pipe cover (27), a piston cylinder (28) and a cylinder hole (281). The circulation pump (21) is arranged outside the sewage tank (1). The water inlet end of the circulation pump (21) is connected to the interior of the sewage tank (1) through the water inlet pipe (22). The water outlet end of the circulation pump (21) is connected to the interior of the sewage tank (1) through the water outlet pipe (23). The top of the water outlet pipe (23) is provided with a A feeder (24) is provided with a medicine delivery pipe (25) in the center of the bottom inner surface of the sewage tank (1), the head end of the medicine delivery pipe (25) is connected to the water outlet pipe (23), the end of the medicine delivery pipe (25) is in a blocked state, the top of the medicine delivery pipe (25) is connected to a vertical pipe (26), the top of the vertical pipe (26) is connected to a pipe cover (27), the inside of the vertical pipe (26) is sealed and slidably provided with a piston cylinder (28), the bottom end of the piston cylinder (28) is connected to the vertical pipe (26), the top of the piston cylinder (28) is in a blocked state, and the surface of the piston cylinder (28) is distributed with cylinder holes (281), and the cylinder holes (281) pass through the inside of the piston cylinder (28).

2. The biochemical wastewater treatment equipment according to claim 1, characterized in that: The feeder (24) is a spiral feeder.

3. The biochemical wastewater treatment equipment according to claim 1, characterized in that: The length of the medicine delivery pipe (25) is not less than 80% of the internal length of the sewage tank (1).

4. The biochemical wastewater treatment equipment according to claim 1, characterized in that: The number of the vertical pipes (26) is no less than 2, and the vertical pipes (26) are equidistantly distributed on the top of the medicine delivery pipe (25).

5. The biochemical wastewater treatment equipment according to claim 1, characterized in that: The inner diameter of the bottom opening of the vertical tube (26) is smaller than the outer diameter of the piston cylinder (28).

6. The biochemical wastewater treatment equipment according to claim 1, characterized in that: A spring telescopic rod (29) is installed on the top of the tube cover (27), and the bottom telescopic end of the spring telescopic rod (29) passes through the tube cover (27) and is connected to the piston cylinder (28).

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