Municipal sewage treatment device

Abstract

The invention discloses a municipal sewage treatment device, and relates to the technical field of sewage treatment, the municipal sewage treatment device comprises a supporting assembly, the supporting assembly comprises an aeration box, a water outlet pipe and a water inlet pipe, and the water outlet pipe and the water inlet pipe are fixed on the aeration box; the device further comprises a gas transmission assembly and a fermentation assembly; the fermentation assembly comprises a fermentation box; the fermentation box is located at the bottom of the aeration box; the gas transmission assembly comprises a vortex tube, a connecting tube, a nozzle, a gas transmission tube and a driving pump; the driving pump is fixed on the side wall of the fermentation box, the driving pump is fixedly connected with an air inlet of the vortex tube, and the driving pump conveys hot air in the fermentation box into the connecting tube through the vortex tube; the connecting pipe is located in the aeration box, and a plurality of gas conveying pipes are fixedly connected to the connecting pipe and located at the bottom of the aeration box; the multiple nozzles are fixedly connected to the air conveying pipe. The temperature in the sewage treatment tank can be increased to a range suitable for microbial metabolism and reproduction when the temperature is too low, the degradation speed of microorganisms on organic matters is increased, and the effluent quality of the sewage treatment tank is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a municipal sewage treatment device. Background Art

[0002] Municipal sewage mainly consists of industrial sewage, domestic sewage, slaughterhouse sewage and aquaculture sewage. Slaughterhouse sewage contains a large amount of blood, oil, fat, meat scraps, bone scraps, viscera and other impurities, which makes the organic matter content in slaughterhouse sewage relatively high. Therefore, biological treatment is required when treating slaughterhouse sewage.

[0003] Organic matter will generate a lot of heat during the fermentation process. If this heat is not discharged in time, it will have an adverse effect on the fermentation process. Biological treatment uses microorganisms to digest and degrade organic matter in sewage. When aerobic biological treatment of sewage occurs, too low temperature will reduce the activity of microorganisms in the sewage treatment tank, affecting the speed at which microorganisms degrade organic matter, resulting in the treated sewage still containing a high concentration of organic matter, affecting the effluent quality. Summary of the invention

[0004] The embodiment of the present application provides a municipal sewage treatment device, which solves the problem in the prior art that the activity of aerobic microorganisms decreases due to too low temperature, resulting in a slowdown in the degradation of organic matter by the microorganisms, resulting in a large amount of organic matter remaining in the treated sewage, affecting the effluent quality of the sewage treatment tank. The embodiment of the present application achieves that when the temperature is too low, the temperature in the sewage treatment tank can be raised to a range suitable for the metabolism and reproduction of microorganisms, thereby increasing the degradation rate of organic matter by the microorganisms and ensuring the effluent quality of the sewage treatment tank.

[0005] The embodiment of the present application provides a municipal sewage treatment device, including a support assembly, the support assembly including an aeration box, a water outlet pipe and a water inlet pipe, the water outlet pipe and the water inlet pipe are respectively fixedly connected to the side wall of the aeration box;

[0006] Also included are a gas delivery component and a fermentation component;

[0007] The fermentation assembly includes a fermentation tank;

[0008] The fermentation tank is located at the bottom of the aeration tank;

[0009] The gas delivery assembly includes a vortex tube, a connecting pipe, a nozzle, a support frame, a gas delivery pipe and a driving pump;

[0010] The driving pump is fixed on the side wall of the fermentation box, the driving pump is fixedly connected to the air inlet of the vortex tube, and the driving pump transports the hot air in the fermentation box to the connecting pipe through the vortex tube;

[0011] The connecting pipe is located in the aeration box, and a plurality of gas pipes are fixedly connected to the connecting pipe. The gas pipes are located at the bottom of the aeration box, and the gas pipes are fixed on the support frame;

[0012] There are multiple nozzles, and the nozzles are fixedly connected to the gas pipe.

[0013] Furthermore, the gas delivery assembly also includes a bifurcated pipe, a cleaning plate, a cylindrical rod and a fan blade;

[0014] The bifurcated pipe is fixedly connected to the gas pipeline, the bifurcated pipe is a Y-shaped pipe, and a nozzle is fixedly connected to the top of the bifurcated pipe;

[0015] The bifurcated pipe is composed of a joint pipe and a fixed pipe;

[0016] The cylindrical rod is located in the joint pipe, and the fan blades are fixedly connected to the cylindrical rod;

[0017] The nozzle is disc-shaped, the cylindrical rod extends from the center of the nozzle, a cleaning plate is fixed to the end of the cylindrical rod, and the cleaning plate fits the surface of the nozzle;

[0018] Two annular buckles are fixedly connected to the cylindrical rod, and the cylindrical rod is fixed to the nozzle through the annular buckles.

[0019] Furthermore, a stirring motor is fixedly connected to the side wall of the fermentation box, and a rotating shaft of the stirring motor extends into the fermentation box;

[0020] A stirring rod is fixedly connected to the rotating shaft of the stirring motor, and the axis of the stirring rod and the rotating shaft of the stirring motor are perpendicular;

[0021] The side wall of the fermentation box is provided with an opening, and a door panel is slidably connected to the opening;

[0022] The air intake fan is fixed on the side wall of the fermentation box, and a filter screen is fixedly connected to the outside of the air intake fan. The air intake fan is used to drive air into the fermentation box.

[0023] Furthermore, the fan blades are staggered and fixed on the cylindrical rod.

[0024] The fan blade is a rectangular plate with an arc, and the fan blade is fixed on the cylindrical rod at an angle, and the fan blade fits the inner side wall of the bifurcated tube.

[0025] Furthermore, the gas delivery assembly also includes a connecting seat, a driving motor, an elastic capsule and a delivery pipe;

[0026] The gas delivery pipe is fixedly connected to the connection seat, the connection seat is a hollow cylindrical rod, and the interior of the gas delivery pipe is connected to the interior of the connection seat;

[0027] An elastic capsule is fixed in the connecting seat, and the elastic capsule has an opening facing the gas pipe;

[0028] A defoaming agent is stored in the elastic capsule;

[0029] The driving motor is fixed in the aeration box, the delivery pipe passes through the rotating shaft of the driving motor, and the delivery pipe connects the connecting seat and the fermentation box;

[0030] The driving pump is located in the fermentation box and is fixed at the end of the delivery pipe.

[0031] Further, the top of the vortex tube is rotatably connected to a control valve;

[0032] The control valve is used to control the gas flow rate of the vortex tube entering the aeration box.

[0033] Furthermore, a circular opening is provided on the top of the connection seat, and a fixed cover is rotatably connected to the circular opening;

[0034] The elastic capsule is made of elastic rubber material;

[0035] The top of the elastic capsule is fitted with the fixed cover.

[0036] Furthermore, a plurality of bifurcated pipes are fixedly connected to the side wall of the gas delivery pipe;

[0037] There are multiple gas delivery pipes, which are distributed around the side wall of the connecting seat.

[0038] The inner diameter of the gas delivery pipe gradually decreases from the connection point of the connecting pipe.

[0039] Further, the nozzle is fixed on the top of the joint pipe at an angle of 45°;

[0040] The diameter of the internal passage of the joint pipe is smaller than the diameter of the interior of the fixed pipe.

[0041] Furthermore, the elastic capsule is located directly above the outlet end of the gas pipe, and the bottom of the elastic capsule is arc-shaped.

[0042] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0043] The hot air generated in the fermentation box is transported to the aeration box through the vortex tube by driving the pump. While the aeration box is aerating, the heat generated in the fermentation box is transferred to the aeration box to increase the temperature in the aeration box. This effectively solves the problem in the prior art that too low temperature will lead to a decrease in the activity of aerobic microorganisms, resulting in a slower rate of degradation of organic matter by microorganisms, and resulting in organic matter residues in the treated sewage. This further achieves the ability to increase the temperature in the sewage treatment box to a range suitable for the metabolism and reproduction of microorganisms when the temperature is too low, so that the microorganisms can remain active, thereby increasing the rate of degradation of organic matter by microorganisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic diagram of the overall structure of a municipal sewage treatment device of the present invention;

[0045] Figure 2 A municipal sewage treatment device according to the present invention Figure 1 A side view structural schematic diagram of;

[0046] Figure 3 A municipal sewage treatment device according to the present invention Figure 1 A schematic diagram of a top view structure;

[0047] Figure 4 A municipal sewage treatment device according to the present invention Figure 1 A schematic cross-sectional structure diagram of ;

[0048] Figure 5 This is a schematic diagram of the position structure of a nozzle of a municipal sewage treatment device in an aeration tank of the present invention;

[0049] Figure 6 A municipal sewage treatment device according to the present invention Figure 5 A schematic cross-sectional structure diagram of ;

[0050] Figure 7 This is a schematic structural diagram of the connection relationship between a nozzle and a bifurcated switch of a municipal sewage treatment device of the present invention;

[0051] Figure 8 It is a schematic structural diagram of the connection relationship between the bifurcated pipe and the cylindrical rod of a municipal sewage treatment device of the present invention;

[0052] Fig. 9 This is a schematic structural diagram of the connection relationship between a cylindrical rod and a fan blade of a municipal sewage treatment device of the present invention;

[0053] Fig.10 This is a schematic structural diagram of the connection relationship between the gas transmission pipe and the connection seat of a municipal sewage treatment device of the present invention;

[0054] Fig.11This is a schematic diagram of the positional relationship of the air delivery pipe of a municipal sewage treatment device in an aeration box of the present invention;

[0055] Fig.12 It is a schematic structural diagram of the connection relationship between an elastic capsule and a connecting seat of a municipal sewage treatment device of the present invention;

[0056] Fig.13 It is a schematic diagram of the cross-sectional structure of a gas transmission pipe of a municipal sewage treatment device of the present invention;

[0057] Fig.14 The present invention is a schematic structural diagram of the connection relationship between a delivery pipe and a drive motor of a municipal sewage treatment device.

[0058] In the figure: 100, support assembly; 101, aeration box; 102, water outlet pipe; 103, water inlet pipe;

[0059] 200, gas delivery assembly; 201, vortex tube; 202, connecting pipe; 203, nozzle; 204, support frame; 205, gas delivery pipe; 206, driving pump; 207, control valve; 208, bifurcated pipe; 209, cleaning plate; 210, cylindrical rod; 211, fan blade; 213, connecting seat; 216, driving motor; 217, elastic capsule; 218, delivery pipe; 219, fixed cover;

[0060] 300, fermentation component; 301, fermentation box; 302, door panel; 303, stirring motor; 304, filter screen; 305, air intake fan; 306, stirring rod;

[0061] 2081, joint pipe; 2082, fixed pipe. DETAILED DESCRIPTION

[0062] To facilitate the understanding of the present invention, the present application will be described more comprehensively below with reference to the relevant drawings; the drawings show preferred embodiments of the present invention, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosed content of the present invention.

[0063] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0064] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0065] Embodiment 1: Figure 1 , Figure 3 , Figure 4 As shown, the present application proposes a municipal sewage treatment device, including a support assembly 100, wherein the support assembly 100 includes an aeration box 101, an outlet pipe 102 and an inlet pipe 103, wherein the outlet pipe 102 and the inlet pipe 103 are respectively fixedly connected to the side wall of the aeration box 101, and the height of the outlet pipe 102 is higher than the height of the inlet pipe 103; further comprising an air supply assembly 200 and a fermentation assembly 300; the fermentation assembly 300 includes a fermentation box 301, and the fermentation box 301 is used to ferment the solid residue filtered out during sewage treatment, and heat is generated in the fermentation box 301 during the fermentation process; the fermentation box 301 is located at the bottom of the aeration box 101; the air supply assembly 200 includes a vortex tube 201, a connecting pipe 202, a nozzle 203, an air supply pipe 205 and a driving pump 206; the driving pump 206 is fixed to the side wall of the fermentation box 301, and the driving pump 206 and the vortex tube 201 intake air The hot air outlet of the vortex tube 201 is connected to the aeration box 101, and the driving pump 206 transports the hot air in the fermentation box 301 to the connecting pipe 202 through the vortex tube 201. The vortex tube 201 can further increase the temperature of the air passing through the inside. The gas temperature at the hot air outlet end of the vortex tube 201 is 10 to 20° C. higher than the gas temperature at the air inlet; the connecting pipe 202 is located in the aeration box 101, and a plurality of air delivery pipes 205 are fixedly connected to the connecting pipe 202, and the air delivery pipe 205 is fixed on the support frame 204 at the bottom of the aeration box 101; a plurality of nozzles 203 are provided, and the nozzles 203 are fixedly connected to the air delivery pipes 205, and the nozzles 203 are evenly distributed at the bottom of the aeration box 101. The air sprayed by the nozzles 203 is fully in contact with the sewage in the aeration box 101, so that the heat carried in the air can be evenly transferred to the sewage in the aeration box 101.

[0066] Preferably, Figure 4As shown, during sewage treatment, oil, meat scraps, bone scraps, viscera and other impurities in the sewage will be filtered out, and these impurities will be placed in a fermentation box 301 for fermentation. The impurities need to be turned over during fermentation, so a stirring motor 303 is fixedly connected to the side wall of the fermentation box 301, and the rotating shaft of the stirring motor 303 extends into the fermentation box 301; a stirring rod 306 is fixedly connected to the rotating shaft of the stirring motor 303, and the stirring rod 306 is driven by the stirring motor 303 to rotate in the fermentation box 301, and the axis of the stirring rod 306 and the rotating shaft of the stirring motor 303 are perpendicular, and the stirring rod 306 stirs the impurities in the fermentation box 301, so that the microorganisms inside the impurities are fully in contact with the air, so that the impurities are fermented evenly, thereby generating more heat.

[0067] Preferably, the side wall of the fermentation box 301 is provided with an opening, and a door panel 302 is slidably connected to the opening, so as to facilitate the placement of waste to be fermented into the fermentation box 301 and the removal of the residue remaining after fermentation.

[0068] Preferably, a sealing strip is fixed at the connection between the door panel 302 and the fermentation box 301 , which can reduce the heat loss generated by the fermentation of dirt in the fermentation box 301 .

[0069] Preferably, the support frame 204 is two rectangular plates parallel to each other, and the air pipe 205 is fixed to the support frame 204 by a cable tie.

[0070] Preferably, Figure 2 As shown, the dirt in the fermentation box 301 consumes oxygen during fermentation, and the air intake fan 305 is fixed on the side wall of the fermentation box 301. The external air is transported into the fermentation box 301 through the air intake fan 305, so that the inside of the fermentation box 301 maintains sufficient oxygen, thereby increasing the fermentation speed of the dirt in the fermentation box 301. The heat generated during the fermentation of the dirt will increase the air temperature in the fermentation box 301, and the temperature generated by the fermentation of the dirt ranges from 50°C to 70°C.

[0071] Preferably, a filter screen 304 is fixedly connected to the outside of the air intake fan 305 .

[0072] Preferably, a control valve 207 is rotatably connected to the top of the vortex tube 201, and the piston rod of the control valve 207 extends into the vortex tube 201; the piston rod of the control valve 207 is moved up and down in the vortex tube 201 by twisting the control valve 207, thereby controlling the gas flow entering the aeration box 101. When the temperature in the aeration box 101 is too low, the control valve 207 opens the channel connecting the vortex tube 201 and the connecting pipe 202 to allow more air to enter the aeration box 101. When the temperature in the aeration box 101 reaches a suitable range, the control valve 207 can reduce the air entering the aeration box 101.

[0073] Preferably, the hot air entering the aeration box 101 can raise the temperature in the aeration box 101 to 25° C. to 35° C. Within this range, the microorganisms in the aeration box 101 can efficiently carry out metabolic activities.

[0074] Preferably, the driving pump 206 is located on the fermentation box 301 on the side opposite to the air intake fan 305. After the air intake fan 305 drives the air into the fermentation box 301, the heat generated by the fermentation of waste in the fermentation box 301 will increase the air temperature. The driving pump 206 sucks the hot air in the fermentation box 301 into the vortex tube 201 and accelerates the flow rate of the air in the vortex tube 201.

[0075] A municipal sewage treatment device according to an embodiment of the present application is used in practice:

[0076] Before the sewage is biologically treated, the oil, fat, meat, bone, viscera and other impurities in the sewage are filtered out and put into the fermentation box 301 for fermentation. The air intake fan 305 drives the air into the fermentation box 301, and the stirring motor 303 drives the stirring rod 306 to stir the sewage in the fermentation box 301. Microorganisms will generate heat when decomposing organic matter in the sewage, forming hot air in the fermentation box 301. The hot air is sucked into the vortex tube 201 by the driving pump 206. The vortex tube 201 will further increase the temperature of the hot air. The hot air is sprayed from the nozzle 203 to the aeration box 101 to form bubbles that continuously float up. During the floating process of the bubbles, the heat is absorbed by the sewage in the aeration box 101, which increases the temperature of the sewage. At the same time, the nozzle The oxygen in the hot air ejected by 203 will also be integrated into the sewage, so that the oxygen content in the sewage is increased, thereby satisfying the oxygen consumption demand of microbial activities. After the sewage temperature in the aeration box 101 rises to a range suitable for microbial activities, the air entering the aeration box 101 is reduced through the control valve 207, thereby stabilizing the temperature in the aeration box 101 within a suitable range. This solves the technical problem in the prior art that too low temperature will lead to a decrease in the activity of aerobic microorganisms, and the decrease in the activity of microorganisms will slow down the rate at which microorganisms degrade organic matter, resulting in organic matter residues in the treated sewage. This achieves the technical effect of raising the temperature in the aeration box 101 to a range suitable for the metabolism and reproduction of microorganisms, thereby increasing the rate at which microorganisms degrade organic matter.

[0077] Embodiment 2: Considering that there are a large number of microorganisms in the sewage in the aeration box 101, the microorganisms will produce various metabolic products during their activities. These debris will adhere to the nozzle 203. If it is not cleaned in time, the bifurcated pipe 208 of the nozzle 203 will be blocked, resulting in the inability to normally transport hot air to the aeration box 101, affecting the activity of the microorganisms in the sewage, resulting in the treated sewage containing organic residues, which will further affect the effect of sewage treatment. Since the nozzle 203 is located at the bottom of the aeration box 101, if the nozzle 203 is blocked, it is necessary to empty the sewage in the aeration box 101 to clean the nozzle 203, which takes a lot of time. In view of the above problems, the embodiment of the present application adds a bifurcated pipe 208, a cleaning plate 209, a cylindrical rod 210 and a fan blade 211 on the basis of the above embodiment, specifically:

[0078] like Figures 5 to 9 As shown, the gas delivery assembly 200 also includes a bifurcated tube 208, a cleaning plate 209, a cylindrical rod 210 and a fan blade 211; the bifurcated tube 208 is fixedly connected to the gas delivery pipe 205, the bifurcated tube 208 is a Y-shaped tube, and the bifurcated tube 208 is composed of a joint tube 2081 and a fixed tube 2082; the cylindrical rod 210 is located in the joint tube 2081, and the fan blade 211 is fixedly connected to the cylindrical rod 210, and the top of the bifurcated tube 208 is fixedly connected to the nozzle 203; when the hot air flows in the bifurcated tube 208, it will push the fan blade 211 to rotate, and the rotation of the fan blade 211 will drive the fixed cylindrical The cleaning plate 209 at the end of the rod 210 rotates; the nozzle 203 is disc-shaped, and the cylindrical rod 210 extends from the center of the nozzle 203. A cleaning plate 209 is fixed to the end of the cylindrical rod 210. The cleaning plate 209 fits the surface of the nozzle 203. The cleaning plate 209 can rotate with the cylindrical rod 210 to scrape off the dirt attached to the surface of the nozzle 203, thereby preventing the nozzle 203 from being blocked by dirt; two annular buckles are fixedly connected to the cylindrical rod 210, and the cylindrical rod 210 is fixed to the nozzle 203 through the annular buckles, so that the cylindrical rod 210 can rotate on the nozzle 203.

[0079] Preferably, Fig. 9 As shown, the fan blades 211 are staggered and fixed on the cylindrical rod 210. The fan blades 211 are rectangular plates with an arc. The fan blades 211 are tilted and fixed on the cylindrical rod 210. When the hot air passes through the fan blades 211, it will push the fan blades 211 to drive the cylindrical rod 210 to rotate. The fan blades 211 and the inner side walls of the forked tube 208 fit together.

[0080] Preferably, the metabolites produced by the microbial activities in the sewage will sink in the aeration tank 101, and will adhere to the surface of the nozzle 203 during the sinking process. The nozzle 203 is tilted 45 degrees and fixed on the top of the connecting pipe 2081; when there is sediment attached to the surface of the nozzle 203, due to the tilted setting of the nozzle 203, the sediment scraped from the nozzle 203 by the cleaning plate 209 will slide along the surface of the nozzle 203 to the bottom of the aeration tank 101.

[0081] Preferably, the length of the cleaning plate 209 is the same as the diameter of the nozzle 203 .

[0082] Preferably, when the hot gas inside the gas pipe 205 enters the nozzle 203 from the branch pipe 208, the flow velocity of the hot gas in the pipeline will be reduced, and the diameter of the internal channel of the connecting pipe 2081 is smaller than the diameter inside the fixed pipe 2082, so that the flow velocity of the hot gas can be accelerated when the hot gas enters the connecting part between the branch pipe 208 and the nozzle 203.

[0083] Preferably, the cleaning plate 209 is a rectangular rubber plate.

[0084] In actual use, based on the above embodiment, the driving pump 206 transports the hot air from the fermentation box 301 to each gas pipe 205 through the connecting pipe 202, and the hot air is then ejected from the nozzle 203 through the bifurcated pipe 208. When the hot air flows in the bifurcated pipe 208, it will drive the fan blades 211 located in the bifurcated pipe 208 to rotate. When the fan blades 211 rotate, it will drive the cylindrical rod 210 to rotate. The cleaning plate 209 located at the end of the cylindrical rod 210 will rotate with the cylindrical rod 210. The cleaning plate 209 and the surface of the nozzle 203 fit together to scrape the sediment attached to the surface of the nozzle 203 from the nozzle 203.

[0085] Embodiment 3: Considering that the microorganisms in the aeration box 101 will produce gases such as carbon dioxide and nitrogen during their metabolic activities, the sewage in the aeration box 101 will contain a large number of tiny suspended solids. These suspended solids will be entrained by the gases produced by the metabolism of the microorganisms and float on the surface of the sewage in the aeration box 101 to form foam. Excessive accumulation of foam will affect the quality of the effluent and the normal metabolism of the microorganisms, resulting in unstable sewage treatment effects. In view of the above problems, the embodiment of the present application is based on the above embodiment and is further provided with a connecting seat 213, a driving motor 216, an elastic capsule 217 and a conveying pipe 218, specifically:

[0086] like Figures 10 to 14As shown, the gas delivery assembly 200 also includes a connecting seat 213, a driving motor 216, an elastic capsule 217 and a delivery pipe 218; the gas delivery pipe 205 is fixedly connected to the connecting seat 213, and the connecting seat 213 is a hollow cylindrical rod 210. The interior of the gas delivery pipe 205 is connected to the interior of the connecting seat 213, and the hot air generated in the fermentation box 301 is delivered to the gas delivery pipe 205 through the connecting seat 213; an elastic capsule 217 is fixed in the connecting seat 213, and a defoaming agent is stored in the elastic capsule 217. The elastic capsule 217 has an opening toward the gas delivery pipe 205. The hot air entering the connecting seat 213 will squeeze the elastic capsule 217 to deform the elastic capsule 217, and the defoaming agent in the elastic capsule 217 will be discharged. The defoaming agent is squeezed out through the opening on the elastic capsule 217, so that the defoaming agent enters the air pipe 205, and the elastic capsule 217 fits the top of the connecting seat 213; the driving motor 216 is fixed in the aeration box 101, and the air pipe 205 is driven by the driving motor 216 to rotate in the aeration box 101. The delivery pipe 218 passes through the rotating shaft of the driving motor 216, and the delivery pipe 218 connects the connecting seat 213 and the fermentation box 301. The delivery pipe 218 delivers the hot air generated in the fermentation box 301 to the connecting seat 213; the driving pump 206 is located in the fermentation box 301, and the driving pump 206 is fixed at the end of the delivery pipe 218. The driving pump 206 is used to accelerate the flow speed of the hot air entering the delivery pipe 218.

[0087] Preferably, the opening on the side wall of the elastic capsule 217 is in a normally closed state, and when the elastic capsule 217 is squeezed and deformed, the opening on the side wall of the elastic capsule 217 opens.

[0088] Preferably, a circular opening is provided on the top of the connecting seat 213, and a fixed cover 219 is rotatably connected to the circular opening. The elastic capsule 217 is made of elastic rubber material; the top of the elastic capsule 217 and the fixed cover 219 fit together, and the elastic capsule 217 can be taken out of the connecting seat 213 by opening the fixed cover 219, so that the elastic capsule 217 can be easily replaced, thereby replenishing the defoaming agent.

[0089] Preferably, the defoaming agent is in the form of fine powder, which can flow with the air flow and quickly dissolve in the sewage after entering the sewage. The defoaming agent can reduce the surface tension of the gas-liquid interface, making the bubbles easier to merge or burst, thereby eliminating the foam.

[0090] Preferably, a plurality of branch pipes 208 are fixedly connected to the side wall of the gas pipe 205; the gas pipe 205 is provided with a plurality of gas pipes 205, and the gas pipes 205 are distributed around the side wall of the connecting seat 213. The hot air transported into the gas pipe 205 enters the aeration box 101 through the branch pipes 208, and the branch pipes 208 can make the ejected gas form fine bubbles.

[0091] Preferably, the number of the gas pipes 205 fixed on the connecting seat 213 is 4 to 6.

[0092] Preferably, the air pipe 205 is a plurality of hollow cylindrical tubes, and the air pipe 205 is fixed around the connecting seat 213. The air pipe 205 can rotate in the aeration box 101 driven by the driving motor 216 to stir the sewage in the aeration box 101 so that the defoaming agent can be fully mixed with the sewage.

[0093] Preferably, since the gas pipe 205 is relatively long, the hot air enters the gas pipe 205 from one end, which reduces the flow rate of the hot air in the gas pipe 205, making the gas output of different branch pipes 208 uneven. The internal diameter of the gas pipe 205 gradually decreases from the connection point of the connecting pipe 202. As the internal diameter of the gas pipe 205 continues to decrease, the flow rate of the hot air in the gas pipe 205 can be increased, so that the gas output of each branch pipe 208 is uniform.

[0094] Preferably, the elastic capsule 217 is located directly above the outlet end of the gas pipe 205, and the bottom of the elastic capsule 217 is arc-shaped. The gas pipe 205 transports the hot air generated in the fermentation box 301 to the connecting seat 213. The elastic capsule 217 is deformed under the pressure generated by the hot air flow, and then the defoaming agent in the elastic capsule 217 is squeezed out. The defoaming agent is brought into the gas pipe 205 under the action of the airflow, and the defoaming agent enters the aeration box 101 through the bifurcated pipe 208.

[0095] In actual use, based on the above embodiment, the driving pump 206 is operated to deliver the hot air to the connecting seat 213 through the delivery pipe 218. The gas entering the connecting seat 213 will squeeze the elastic capsule 217 upward, and squeeze out the defoaming agent stored in the elastic capsule 217. The defoaming agent follows the hot air into the gas pipe 205, and enters the aeration box 101 from the bifurcated pipe 208 on the gas pipe 205. The driving motor 216 will drive the gas pipe 205 to rotate. When the gas pipe 205 rotates, it will stir the sewage in the aeration box 101, and the defoaming agent can be fully mixed with the sewage to eliminate the floating foam on the surface of the sewage in the aeration box 101.

[0096] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A municipal sewage treatment device, comprising a support assembly (100), wherein the support assembly (100) comprises an aeration box (101), a water outlet pipe (102) and a water inlet pipe (103), wherein the water outlet pipe (102) and the water inlet pipe (103) are respectively fixedly connected to the side wall of the aeration box (101); It is characterized in that Also included is a gas delivery component (200) and a fermentation component (300); The fermentation component (300) includes a fermentation box (301); The fermentation box (301) is located at the bottom of the aeration box (101); The gas delivery assembly (200) comprises a vortex tube (201), a connecting pipe (202), a nozzle (203), a support frame (204), a gas delivery pipe (205) and a driving pump (206); The driving pump (206) is fixed on the side wall of the fermentation box (301), the driving pump (206) is fixedly connected to the air inlet of the vortex tube (201), and the driving pump (206) transports the hot air in the fermentation box (301) to the connecting pipe (202) through the vortex tube (201); The connecting pipe (202) is located in the aeration box (101), a plurality of gas pipes (205) are fixedly connected to the connecting pipe (202), the gas pipes (205) are located at the bottom of the aeration box (101), and the gas pipes (205) are fixed on the support frame (204); A plurality of the nozzles (203) are provided, and the nozzles (203) are fixedly connected to the gas delivery pipe (205).

2. A municipal sewage treatment device as claimed in claim 1, characterized in that: The gas delivery assembly (200) further comprises a bifurcated tube (208), a cleaning plate (209), a cylindrical rod (210) and a fan blade (211); The bifurcated pipe (208) is fixedly connected to the gas delivery pipe (205), the bifurcated pipe (208) is a Y-shaped pipe, and a nozzle (203) is fixedly connected to the top of the bifurcated pipe (208); The bifurcated tube (208) is composed of a joint tube (2081) and a fixed tube (2082); The cylindrical rod (210) is located in the joint pipe (2081), and the fan blade (211) is fixedly connected to the cylindrical rod (210); The nozzle (203) is in the shape of a disk, the cylindrical rod (210) extends from the center of the nozzle (203), a cleaning plate (209) is fixed to the end of the cylindrical rod (210), and the cleaning plate (209) and the nozzle (203) are in contact with each other; Two annular buckles are fixedly connected to the cylindrical rod (210), and the cylindrical rod (210) is fixed to the spray head (203) via the annular buckles.

3. A municipal sewage treatment device as claimed in claim 1, characterized in that: A stirring motor (303) is fixedly connected to the side wall of the fermentation box (301), and a rotating shaft of the stirring motor (303) extends into the fermentation box (301); A stirring rod (306) is fixedly connected to the rotating shaft of the stirring motor (303), and the axis of the stirring rod (306) and the rotating shaft of the stirring motor (303) are perpendicular; The side wall of the fermentation box (301) is provided with an opening, and a door panel (302) is slidably connected to the opening; An air intake fan (305) is fixedly connected to the side wall of the fermentation box (301), and a filter screen (304) is fixedly connected to the outside of the air intake fan (305). The air intake fan (305) is used to drive air into the fermentation box (301).

4. A municipal sewage treatment device as claimed in claim 2, characterized in that: The fan blades (211) are staggered and fixed on the cylindrical rod (210). The fan blade (211) is a rectangular plate with an arc, and the fan blade (211) is fixed on the cylindrical rod (210) at an angle, and the fan blade (211) is in close contact with the inner side wall of the bifurcated tube (208).

5. A municipal sewage treatment device as claimed in claim 1, characterized in that: The gas delivery assembly (200) further comprises a connecting seat (213), a driving motor (216), an elastic capsule (217) and a delivery pipe (218); The gas delivery pipe (205) is fixedly connected to the connection seat (213), the connection seat (213) is a hollow cylindrical rod (210), and the interior of the gas delivery pipe (205) is connected to the interior of the connection seat (213); An elastic capsule (217) is fixed inside the connecting seat (213), and the elastic capsule (217) is provided with an opening facing the air delivery pipe (205); The elastic capsule (217) contains a defoaming agent; The driving motor (216) is fixed in the aeration box (101), and the delivery pipe (218) passes through the rotating shaft of the driving motor (216), and the delivery pipe (218) connects the connecting seat (213) and the fermentation box (301); The driving pump (206) is located in the fermentation box (301), and the driving pump (206) is fixed to the end of the delivery pipe (218).

6. A municipal sewage treatment device as claimed in claim 1, characterized in that: The top of the vortex tube (201) is rotatably connected to a control valve (207); The control valve (207) is used to control the gas flow rate of the vortex tube (201) entering the aeration box (101).

7. A municipal sewage treatment device as claimed in claim 5, characterized in that: The top of the connecting seat (213) is provided with a circular opening, and a fixing cover (219) is rotatably connected to the circular opening; The elastic capsule (217) is made of elastic rubber material; The top of the elastic capsule (217) fits the fixed cover (219).

8. A municipal sewage treatment device as claimed in claim 5, characterized in that: A plurality of bifurcated pipes (208) are fixedly connected to the side wall of the gas delivery pipe (205); The gas delivery pipes (205) are provided in plurality, and the gas delivery pipes (205) are distributed around the side wall of the connection seat (213). The inner diameter of the gas delivery pipe (205) gradually decreases from the connection point with the connecting pipe (202).

9. A municipal sewage treatment device as claimed in claim 2, characterized in that: The spray head (203) is fixed on the top of the joint pipe (2081) at an angle of 45°; The diameter of the internal passage of the joint tube (2081) is smaller than the diameter of the interior of the fixed tube (2082).

10. A municipal sewage treatment device as claimed in claim 7, characterized in that: The elastic capsule (217) is located directly above the outlet end of the gas delivery pipe (205), and the bottom of the elastic capsule (217) is in an arc shape.

Images