Biosafety wastewater treatment device

Abstract

The utility model discloses a biological safety wastewater treatment device which comprises a treatment box, an end cover is inserted into the outer side of the top end of the treatment box, a feeding assembly is arranged in the top end of the end cover, a feeding pipe is arranged in one side of the top end of the treatment box, and a discharging pipe is installed in the bottom end of the treatment box; a stirring mechanism is arranged between the treatment box and the end cover, and limiting assemblies are symmetrically arranged in the end cover; wherein the stirring mechanism comprises a stirring rod rotationally connected to the interior of the end cover, a motor is mounted at the top end of the stirring rod, and fixing sleeves are symmetrically mounted on the outer side of the stirring rod, so that the stirring rod rotates to drive a scraping plate to scrape residual materials on the inner wall of the treatment box; furthermore, the effects of quickly stirring the outer-layer wastewater and cleaning residues can be realized, the residues can be prevented from being accumulated in the treatment box, the influence on the subsequent wastewater treatment efficiency and quality is avoided, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wastewater treatment, specifically is biological safety wastewater treatment device. BACKGROUND

[0002] Laboratory wastewater has its own special properties, less, intermittent, high risk, complex composition, according to the main pollutants in wastewater, can be divided into laboratory organic and inorganic wastewater two categories, organic wastewater than inorganic wastewater pollution range is more extensive, the harm is more serious, therefore, the staff need to use wastewater treatment equipment to treat sewage.

[0003] The announcement number CN213595901U discloses a biological safety laboratory wastewater treatment equipment, the device can be introduced wastewater through the liquid inlet through the treatment tank, and the liquid after reaction treatment is guided from the liquid outlet, the reaction storage device can store different chemical reagents separately, and enters the treatment tank through the manual pressing mode, the transparent cylinder effectively observes the storage amount of reagent, is convenient for adding at any time, the conical body plays the role of dispersion and direction in the falling process of reagent, avoids reagent accumulation on the bottom plate, the compression spring can make the bottom plate reset, is convenient for reagent to add gradually, greatly increases wastewater treatment efficiency, but the patent still has the following problems in the actual use process:

[0004] The device enters the treatment tank through the manual pressing mode, the transparent cylinder effectively observes the storage amount of reagent, is convenient for adding at any time, the conical body plays the role of dispersion and direction in the falling process of reagent, avoids reagent accumulation on the bottom plate, the compression spring can make the bottom plate reset, is convenient for reagent to add gradually, greatly increases wastewater treatment efficiency, but the device does not have the function of scraping the residual material of the inner wall of the treatment tank, in the wastewater treatment process, reagent may leave some residues or unreacted substances after reacting with wastewater, these residues may continue to accumulate in the treatment tank, affect the efficiency and quality of subsequent wastewater treatment, even may cause corrosion or damage to the treatment equipment, bring inconvenience to the staff when using.

[0005] The biological safety wastewater treatment device is proposed to solve the problems in the above. UTILITY MODEL CONTENTS

[0006] The utility model discloses a biological safety wastewater treatment device to solve the current through manual pressing mode into the treatment tank, the transparent cylinder effective observation of the storage amount of reagent, is convenient for adding at any time, and the conical body plays the role of dispersion orientation in the falling process of reagent, avoids the reagent accumulation on the bottom plate, and the compression spring can make the bottom plate reset, and it is convenient for reagent to add gradually, greatly increases the wastewater treatment efficiency, but the device does not have the function of residual material scraping in the inner wall of the treatment tank, and some residues or not completely reacted substances can be left after the reaction of reagent and wastewater, these residues can continue to accumulate in the treatment tank, influence the efficiency and quality of subsequent wastewater treatment, and even can cause corrosion or damage to the treatment equipment, bring inconvenience to the staff when using.

[0007] In order to realize the above object, the utility model provides the following technical scheme: biological safety wastewater treatment device, including the treatment box, the top outside of the treatment box is inserted with the end cover, and the top inside of end cover all is provided with the feeding assembly, and the top inside of treatment box one side is provided with the feeding pipe, and the bottom inside of treatment box is installed with the discharge pipe;

[0008] Among them, the stirring mechanism includes the stirring rod rotationally connected in the inside of the end cover, and the top of the stirring rod is installed with the motor, and the outside of the stirring rod is symmetrically installed with the fixed sleeve, and the both ends of the fixed sleeve are symmetrically installed with the fixed pipe, and the inside of one end of the fixed pipe is slidably connected with the sliding rod, and the inside of the fixed pipe is provided with the first contraction spring, and one end of the sliding rod is installed with the scraper, and the outside of the stirring rod is symmetrically installed with the fixed rod, and the both sides of the fixed rod are symmetrically rotationally connected with the rotating rod, and the outside of one end of the rotating rod is installed with the fan blade, and the bottom outside of the stirring rod is symmetrically installed with the stirring blade.

[0009] Preferably, the inside of the treatment box is installed with the clamping sleeve, and the bottom end of the stirring rod is rotationally connected in the inside of the clamping sleeve.

[0010] Preferably, the inside of the end cover is installed with the annular plate, and the top side of the end cover is installed with the water pump, and the inside of the annular plate is provided with the annular groove, and the water pump, the end cover and the annular plate are installed with the conveying pipe, and the inside of the annular plate is installed with the inclined pipe, and one end of the inclined pipe is installed with the spray head, and the top of the water pump is detachably connected with the suction pipe, and one side of the treatment box is provided with the water tank, and the bottom end of the suction pipe penetrates through the water tank and is fixedly connected with the water tank.

[0011] Preferably, the limiting assembly comprises a fixed box symmetrically mounted inside both ends of the end cover, one side of the fixed box is provided with a fixed frame, a screw rod is rotatably connected between the fixed box and the fixed frame, a rotating rod is rotatably connected inside the bottom end of one side of the fixed box, a first rotating tooth is mounted at the top end of the rotating rod, a second rotating tooth is mounted at one end of the outer side of the screw rod, the first rotating tooth and the second rotating tooth are meshingly connected, a sliding plate is slidably connected inside the fixed frame, a threaded tube is mounted at one side of the sliding plate, one end of the screw rod is threadedly connected inside the threaded tube, and the sliding plate is provided with an insertion block at one side.

[0012] Preferably, a contraction rod is symmetrically mounted between the sliding plate and the fixed box, and a second contraction spring is sleeved outside the contraction rod.

[0013] Preferably, a water inlet is arranged inside one side of the top end of the water tank.

[0014] Preferably, the conveying pipe, the annular groove, the inclined pipe and the spray head are communicated.

[0015] Compared with the prior art, the biological safety wastewater treatment device has the advantages that: the rotation of the stirring rod drives the rotation of the fixed pipe, the rotation of the fixed pipe drives the rotation of the sliding rod, the sliding rod slides inside the fixed pipe under the action of centrifugal force, the first contraction spring is stretched, the movement of the sliding rod drives the scraping plate to fit between the inside of the treatment tank, thereby the rotation of the stirring rod drives the scraping plate to scrape the residual material on the inner wall of the treatment tank, thereby the effect of quickly stirring the outer layer wastewater and cleaning the residual material can be achieved, the accumulation of residual material in the treatment tank can be avoided, the efficiency and quality of subsequent wastewater treatment can be avoided, the service life of the device is improved, the fan blades are impacted by the wastewater, the fan blades drive the rotating rod to rotate on the fixed rod, the fixed rod and the fan blades are rotated to fully stir the wastewater and the reaction agent, the mixing efficiency of the wastewater and the reaction agent is improved, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, the rotation of the screw rod drives the movement of the threaded tube, the movement of the threaded tube drives the sliding plate to slide inside the fixed frame, a plurality of insertion blocks are inserted between the treatment tank, thereby the effect of quickly installing and dismounting the end cover can be achieved, thereby the effect of facilitating the subsequent detection, cleaning and maintenance of the stirring mechanism and the inside of the treatment tank by the staff is achieved, and the daily cleaning and maintenance efficiency of the device is greatly improved.

[0016] 1. Through the staff to start the motor to drive the rotation of the stirring rod, the rotation of the stirring rod drives the rotation of the fixed tube, the rotation of the fixed tube drives the rotation of the sliding rod, at this time the sliding rod slides in the fixed tube under the action of centrifugal force, at this time the first contraction spring is stretched, the movement of the sliding rod drives the scraping plate to fit between the inside of the treatment box, so that the rotation of the stirring rod drives the scraping plate to scrape the residual material on the inner wall of the treatment box, thereby realizing the effect of quickly stirring the outer layer of wastewater and cleaning the residual material, which can avoid the accumulation of residual material in the treatment box, avoid affecting the efficiency and quality of subsequent wastewater treatment, improve the service life of the device, the rotation of the stirring rod drives the rotation of the fixed rod, the rotation of the fixed rod drives the rotation of the rotating rod, at this time the wastewater impacts the fan blade, so that the rotating rod is driven by the fan blade to rotate on the fixed rod, thereby utilizing the self-rotation effect of the fixed rod and the fan blade to fully stir the wastewater and the reaction agent, improve the mixing efficiency of the wastewater and the reaction agent, and the rotation of the stirring rod drives the stirring blade to stir the bottom layer of the wastewater, thereby avoiding the phenomenon of residual material deposition, realizing the effect of omnidirectional mixing and stirring;

[0017] 2. Through the staff to insert the end cover into the top outside of the treatment box, then the staff rotates the rotating rod to drive the rotation of the first rotating tooth, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, the rotation of the second rotating tooth drives the rotation of the screw rod, and the rotation of the screw rod drives the movement of the threaded pipe, at this time the movement of the threaded pipe drives the sliding plate to slide in the fixed frame, at this time a plurality of insertion blocks are inserted between the treatment box, thereby realizing the effect of quickly installing and dismounting the end cover, thereby facilitating the staff to detect, clean and maintain the inside of the stirring mechanism and the treatment box, greatly improving the daily cleaning and maintenance efficiency of the device, and bringing convenience to the staff during use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the treatment box in the utility model;

[0020] Figure 3 It is an enlarged structure schematic view of part A in the utility model;

[0021] Figure 4 It is a local enlarged structure schematic view of the stirring mechanism in the utility model;

[0022] Figure 5 It is an enlarged structure schematic view of part B in the utility model.

[0023] As shown in the figure, 1 is a processing box, 101 is an end cover, 102 is a feeding assembly, 103 is a feeding pipe, 104 is a discharging pipe, 2 is a stirring mechanism, 201 is a stirring rod, 2011 is a motor, 202 is a fixing sleeve, 203 is a fixing pipe, 2031 is a first contraction spring, 204 is a sliding rod, 205 is a scraper, 206 is a fixing rod, 207 is a rotating rod, 208 is a fan blade, 209 is a stirring blade, 210 is a clamping sleeve, 211 is an annular plate, 212 is a water pump, 213 is an annular groove, 214 is a conveying pipe, 215 is an inclined pipe, 216 is a spray head, 217 is a suction pipe, 218 is a water tank, 219 is a water inlet, 3 is a limiting assembly, 301 is a fixing box, 302 is a fixing frame, 303 is a screw rod, 304 is a rotating rod, 305 is a first rotating tooth, 306 is a second rotating tooth, 307 is a sliding plate, 308 is a threaded pipe, 309 is an insertion block, 310 is a contraction rod, and 311 is a second contraction spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The present application provides a technical solution: a biological safety wastewater treatment device, which comprises a processing box 1, an end cover 101 is inserted into the top outer side of the processing box 1, a feeding assembly 102 is arranged in the top inner side of the end cover 101, a feeding pipe 103 is arranged in the top inner side of the processing box 1, and a discharging pipe 104 is arranged in the bottom inner side of the processing box 1; a stirring mechanism 2 is arranged between the processing box 1 and the end cover 101, and a limiting assembly 3 is symmetrically arranged in the inner side of the end cover 101.

[0026] The stirring mechanism 2 comprises a stirring rod 201 rotatably connected to the inside of the end cover 101, a motor 2011 is installed at the top end of the stirring rod 201, a fixed sleeve 202 is symmetrically installed on the outside of the stirring rod 201, fixed pipes 203 are symmetrically installed at both ends of the fixed sleeve 202, a sliding rod 204 is slidably connected to the inside of one end of the fixed pipe 203, a first contraction spring 2031 is arranged in the fixed pipe 203, a scraper 205 is installed at one end of the sliding rod 204, fixed rods 206 are symmetrically installed on the outside of the stirring rod 201, rotating rods 207 are rotatably connected to the two sides of the fixed rods 206, fan blades 208 are installed on the outside of one end of the rotating rods 207, and stirring blades 209 are symmetrically installed on the outside of the bottom end of the stirring rod 201. The rotation of the stirring rod 201 drives the scraper 205 to scrape the residual material on the inner wall of the treatment box 1, thereby achieving the effect of quickly stirring the outer layer of wastewater and cleaning the residual material, avoiding the accumulation of residual material in the treatment box 1, avoiding affecting the efficiency and quality of subsequent wastewater treatment, improving the service life of the device, and through the rotation of the stirring rod 201, the fixed rod 206 is driven to rotate, and the rotation of the fixed rod 206 drives the rotating rod 207 to rotate. At this time, the wastewater impacts the fan blades 208, thereby driving the rotating rod 207 to rotate on the fixed rod 206, thereby utilizing the self-rotation effect of the fixed rod 206 and the fan blades 208 to fully stir the wastewater and the reaction agent, improving the mixing efficiency of the wastewater and the reaction agent, and the rotation of the stirring rod 201 drives the stirring blades 209 to stir the bottom layer of the wastewater, thereby avoiding the phenomenon of residual material precipitation, achieving the effect of omnidirectional mixing and stirring, and the inside of the treatment box 1 is provided with a clamping sleeve 210, and the bottom end of the stirring rod 201 is rotatably connected inside the clamping sleeve 210. Through the rotatable connection of the bottom end of the stirring rod 201 inside the clamping sleeve 210, the rotation of the stirring rod 201 is more stable;

[0027] The inner side of the end cover 101 is provided with an annular plate 211, and the top end side of the end cover 101 is provided with a water pump 212, and the inner side of the annular plate 211 is provided with an annular groove 213, and the water pump 212, the end cover 101 and the annular plate 211 are provided with a conveying pipe 214, and the inner side of the annular plate 211 is provided with an inclined pipe 215, and one end of the inclined pipe 215 is provided with a spray head 216, the conveying pipe 214, the annular groove 213, the inclined pipe 215 and the spray head 216 are communicated, and the top end of the water pump 212 is detachably connected with a suction pipe 217, one side of the processing box 1 is provided with a water tank 218, and the bottom end of the suction pipe 217 penetrates through the water tank 218 and is fixedly connected with the water tank 218, and the staff starts the water pump 212 to drive the suction pipe 217 to suck the water source in the inner wall of the water tank 218, at this time the water source passes through the conveying pipe 214, the annular groove 213 and the inclined pipe 215, and finally is sprayed out through the spray head 216, because the inclined pipe 215 is designed to be inclined, so that a plurality of spray heads 216 can realize the effect of washing the inner wall of the processing box 1 and the stirring structure, so as to facilitate the staff to quickly clean the inside of the processing box 1, so as to help reduce the breeding of harmful substances such as bacteria and microorganisms, prevent potential harm to the environment or personnel, and the top end side of the water tank 218 is provided with a water inlet 219, and the water inlet 219 is designed, so as to facilitate the staff to add water source in the water tank 218.

[0028] The limiting assembly 3 comprises a fixed box 301 symmetrically mounted inside both ends of the end cover 101, one side of the fixed box 301 is provided with a fixed frame 302, and the fixed box 301 and the fixed frame 302 are rotatably connected with a screw rod 303, one side of the bottom end of the fixed box 301 is rotatably connected with a rotating rod 304, the top end of the rotating rod 304 is provided with a first rotating tooth 305, one end of the screw rod 303 is provided with a second rotating tooth 306, the first rotating tooth 305 and the second rotating tooth 306 are meshedly connected, the inside of the fixed frame 302 is slidably connected with a sliding plate 307, one side of the sliding plate 307 is provided with a threaded tube 308, one end of the screw rod 303 is threadedly connected in the threaded tube 308, one side of the sliding plate 307 is provided with an insertion block 309, and the insertion block 309 is inserted between the processing box 1, so that the end cover 101 can be quickly installed and disassembled, and the staff can conveniently detect, clean and maintain the inside of the stirring mechanism 2 and the processing box 1, greatly improving the daily cleaning and maintenance efficiency of the device, bringing convenience to the staff during use, the sliding plate 307 and the fixed box 301 are symmetrically provided with a contraction rod 310, the outside of the contraction rod 310 is sleeved with a second contraction spring 311, the contraction rod 310 is driven to stretch by the second contraction spring 311, the sliding plate 307 is extruded by the tension generated by the second contraction spring 311, so that the insertion block 309 is more stable, and the staff during use brings practicality.

[0029] Working principle: Before using the biological safety wastewater treatment device, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 Figure 5 ​As shown, first, the staff pours wastewater into the processing box 1 through the feed pipe 103, at this time the staff uses the feeding assembly 102 to add materials to the wastewater, and then the staff starts the motor 2011 to drive the rotation of the stirring rod 201, the rotation of the stirring rod 201 drives the rotation of the fixed pipe 203, and the rotation of the fixed pipe 203 drives the rotation of the sliding rod 204. At this time, the sliding rod 204 slides in the fixed pipe 203 under the action of centrifugal force, and the first contraction spring 2031 is stretched at this time. The movement of the sliding rod 204 drives the scraping plate 205 to fit between the inside of the processing box 1, so that the rotation of the stirring rod 201 drives the scraping plate 205 to scrape the residual material on the inner wall of the processing box 1, thereby realizing the effect of quickly stirring the outer layer of wastewater and cleaning the residual material, which can avoid the accumulation of residual material in the processing box 1, avoid affecting the efficiency and quality of subsequent wastewater treatment, improve the service life of the device, and drive the rotation of the fixed rod 206 through the rotation of the stirring rod 201. The rotation of the fixed rod 206 drives the rotating rod 207 to rotate, at this time the wastewater impacts the fan blade 208, so that the fan blade 208 drives the rotating rod 207 to rotate on the fixed rod 206, thereby using the rotation effect of the fixed rod 206 and the fan blade 208 to fully stir the wastewater and the reaction agent, improve the mixing efficiency of the wastewater and the reaction agent, and the rotation of the stirring rod 201 drives the stirring blade 209 to stir the bottom layer of the wastewater, thereby avoiding the phenomenon of residual material precipitation, realizing the effect of omnidirectional mixing and stirring, and the bottom end of the stirring rod 201 is rotatably connected in the sleeve 210, thereby making the stirring rod 201 rotate more stably. The staff starts the water pump 212 to drive the suction pipe 217 to suck the water source on the inner wall of the water tank 218, at this time the water source passes through the delivery pipe 214, the annular groove 213 and the inclined pipe 215, and finally is sprayed out through the spray head 216. Due to the inclined installation design of the inclined pipe 215, the effect of multiple spray heads 216 flushing the inner wall of the processing box 1 and the stirring structure can be realized, thereby facilitating the staff to quickly clean the inside of the processing box 1, thereby helping to reduce the breeding of harmful substances such as bacteria and microorganisms, and preventing potential harm to the environment or personnel. Through the design of the water inlet 219, it is convenient for the staff to add water source in the water tank 218;

[0030] The end cover 101 is inserted into the top outside of the treatment box 1 by the worker, then the worker rotates the rotating rod 304 to drive the rotation of the first rotating tooth 305, the rotation of the first rotating tooth 305 drives the rotation of the second rotating tooth 306, the rotation of the second rotating tooth 306 drives the rotation of the screw rod 303, the rotation of the screw rod 303 drives the movement of the threaded pipe 308, at this time the movement of the threaded pipe 308 drives the sliding of the sliding plate 307 inside the fixed frame 302, at this time the multiple groups of insertion blocks 309 are inserted between the treatment box 1, so that the effect of quickly installing and dismounting the end cover 101 can be realized, and then the effect of facilitating the subsequent detection, cleaning and maintenance of the worker on the stirring mechanism 2 and the inside of the treatment box 1 can be realized, the daily cleaning and maintenance efficiency of the device is greatly improved, convenience is brought to the worker during use, the second contraction spring 311 drives the contraction rod 310 to stretch, and then the tension generated by the second contraction spring 311 extrudes the sliding plate 307, so that the installation of the insertion block 309 is more stable, and practicality is brought to the worker during use.

[0031] The treatment box 1 and the feeding assembly 102 are prior art, and the publication number CN213595901U discloses a biological safety laboratory wastewater treatment equipment, wherein the device used is not described too much here.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A biological safety wastewater treatment device, comprising a treatment tank (1), an end cover (101) is inserted at the top end of the treatment tank (1), a feeding assembly (102) is arranged inside the top end of the end cover (101), a feeding pipe (103) is arranged inside the top end of the treatment tank (1), and a discharging pipe (104) is arranged inside the bottom end of the treatment tank (1); characterized in that Further comprising: A stirring mechanism (2) is arranged between the treatment tank (1) and the end cover (101), and a limiting assembly (3) is symmetrically arranged inside the end cover (101); Wherein, the stirring mechanism (2) comprises a stirring rod (201) rotatably connected to the inside of the end cover (101), a motor (2011) is arranged at the top end of the stirring rod (201), a fixed sleeve (202) is symmetrically arranged on the outside of the stirring rod (201), a fixed pipe (203) is symmetrically arranged at both ends of the fixed sleeve (202), a sliding rod (204) is slidably connected inside one end of the fixed pipe (203), a first contraction spring (2031) is arranged inside the fixed pipe (203), a scraper (205) is arranged at one end of the sliding rod (204), a fixed rod (206) is symmetrically arranged on the outside of the stirring rod (201), a rotating rod (207) is rotatably connected to both sides of the fixed rod (206), a fan blade (208) is arranged on the outside of one end of the rotating rod (207), and stirring blades (209) are symmetrically arranged on the outside of the bottom end of the stirring rod (201).

2. The bio safety wastewater treatment device according to claim 1, characterized in that: A clamping sleeve (210) is arranged on one side of the inside of the treatment tank (1), and the bottom end of the stirring rod (201) is rotatably connected inside the clamping sleeve (210).

3. The bio safety wastewater treatment device of claim 1, wherein: An annular plate (211) is arranged on the inside of the end cover (101), a water pump (212) is arranged on one side of the top end of the end cover (101), an annular groove (213) is formed in the inside of the annular plate (211), a conveying pipe (214) is arranged between the water pump (212), the end cover (101) and the annular plate (211), an inclined pipe (215) is arranged on the inside of the annular plate (211), a spray head (216) is arranged at one end of the inclined pipe (215), a suction pipe (217) is detachably connected to the top end of the water pump (212), a water tank (218) is arranged on one side of the treatment tank (1), the bottom end of the suction pipe (217) penetrates through the water tank (218) and is fixedly connected with the water tank (218).

4. The bio safety wastewater treatment device of claim 1, wherein: The limiting assembly (3) comprises fixed boxes (301) symmetrically mounted inside both ends of the end cover (101), one side of the fixed box (301) is mounted with a fixed frame (302), the fixed box (301) and the fixed frame (302) are rotatably connected with a screw rod (303), one side of the bottom end of the fixed box (301) is rotatably connected with a rotating rod (304), the top end of the rotating rod (304) is mounted with a first rotating tooth (305), one end of the screw rod (303) is mounted with a second rotating tooth (306) outside, the first rotating tooth (305) and the second rotating tooth (306) are meshedly connected, the inside of the fixed frame (302) is slidably connected with a sliding plate (307), one side of the sliding plate (307) is mounted with a threaded pipe (308), one end of the screw rod (303) is internally threadedly connected with the threaded pipe (308), one side of the sliding plate (307) is mounted with an insertion block (309), and the insertion block (309) is inserted with the processing box (1).

5. The bio safety wastewater treatment device of claim 4, wherein: The sliding plate (307) and the fixed box (301) are symmetrically mounted with a contraction rod (310), and the outside of the contraction rod (310) is sleeved with a second contraction spring (311).

6. The bio safety wastewater treatment device of claim 3, wherein: The top end of the water tank (218) is internally provided with a water inlet (219).

7. The bio safety wastewater treatment device of claim 3, wherein: The conveying pipe (214), the annular groove (213), the inclined pipe (215) and the nozzle (216) are communicated.

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