CN217677172U

CN217677172U - Medicine waste water circulating filtration mechanism

Info

Publication number: CN217677172U
Application number: CN202222072808.3U
Authority: CN
Inventors: 唐叶红; 刘景光; 刘国栋
Original assignee: Suzhou Industrial Park Chengye Environment Technology Co ltd
Current assignee: Suzhou Xinneng Environmental Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-10-28
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a medicine waste water circulating and filtering mechanism belongs to waste water treatment equipment technical field. The medical wastewater circulating and filtering mechanism comprises a first purifying assembly and a second purifying assembly. First purification subassembly includes the supporting part, first filter house, mix the portion, the second filter house and the portion of drawing water, in use, the fifth connecting axle is at first gear drive spare, the second gear drive spare, the third connecting axle, the diaphragm, the third gear drive spare, realize synchronous rotation under the combined action of fourth connecting axle and fourth gear drive spare, the rotation of second stirring leaf is realized in the rotation of fifth connecting axle, it is in the same place to make the quick mixture of purification reagent and waste water together under the effect that the second stirred the leaf, purification reagent reacts with the harmful substance in the waste water fast, and get rid of it, last water is discharged from the fluid-discharge tube and recycles, this waste water circulating and filtering mechanism is convenient for be in the same place the quick mixture of purification reagent and waste water, the treatment effeciency to medical waste water has been improved.

Description

Medicine waste water circulating filtration mechanism

Technical Field

The utility model relates to a waste water treatment equipment field particularly, relates to a medicine waste water circulating and filtering mechanism.

Background

The medical wastewater refers to wastewater discharged from factories for producing antibiotics, antiserum, organic and inorganic medicines and the like. The amount and quality of the wastewater vary according to the type of the drug produced.

Through the retrieval, chinese patent number is CN202120861230.2, disclose a effluent treatment plant is used in pharmaceutical intermediates production, including box one, sliding connection has double-deck filter in the box one, box one side is equipped with box two, two inside activated carbon filter layers that are equipped with of box, activated carbon filter layer bottom is equipped with the slide, the slide bottom is equipped with the reaction chamber, reaction chamber one side is connected with adds the material chamber, reaction chamber open-top and reaction chamber opening part can be dismantled and be connected with filter box, it is connected with the hopper and the bottom is connected with the connecting pipe to add the material chamber top, it communicates with each other with the reaction chamber through the connecting pipe to add the material chamber, reaction chamber bottom fixedly connected with discharging pipe. The utility model discloses a double-deck filter filters waste water with the active carbon filtering layer, and the washing change can be dismantled with the active carbon filtering layer to double-deck filter simultaneously, has ensured the utility model discloses a waste water treatment function has also prevented that impurity from blockking up and influencing the utility model discloses a filter effect.

However, the above-mentioned solution still has a defect, after the purifying reagent is injected into the reaction chamber through the hopper, when the purifying reagent is powder, the speed of dissolving the purifying reagent in the wastewater is too slow, and the powder is precipitated in the reaction chamber, which reduces the wastewater treatment efficiency.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a medicine waste water circulating and filtering mechanism aims at improving and is injecting into the reaction chamber back to purifying agent through the hopper, when purifying agent is the powder, leads to purifying agent to be dissolved in the speed of waste water too slowly, and still has the condition of powder sediment in the reaction chamber, has reduced the problem of the treatment effeciency to waste water.

The utility model discloses a realize like this:

the utility model provides a medicine waste water circulating and filtering mechanism, purify the subassembly including first purification subassembly and second.

First purification subassembly includes supporting part, first filter house, stirring portion, second filter house and the portion of drawing water, first filter house with the second filter house all sets up on the supporting part, stirring portion sets up on the first filter house, the portion of drawing water sets up on the second filter house.

The second purifies the subassembly and includes that transmission portion, fifth connecting axle, second stir leaf and hopper, the fifth connecting axle sets up in the second filter house, the transmission portion sets up stir the portion with between the fifth connecting axle, the hopper is fixed on the outer wall of second stir the leaf.

In an embodiment of the present invention, the supporting portion includes a supporting plate and a base, and the base is fixed on the lower surface of the supporting plate.

In an embodiment of the present invention, the first filtering portion includes a first box, a heating plate, a waste water conduit, a water inlet valve, a temperature controller, a first liquid level sensor, a double-layer filter plate, a slider and a first sealing door, the first box is fixed on the upper surface of the supporting plate, the heating plate is fixed in the inner wall of the first box, one end of the waste water conduit is disposed on the first box, the water inlet valve is disposed on the waste water conduit, the temperature controller and the first liquid level sensor are all fixed on the outer wall of the first box, the temperature controller and the heating plate are electrically connected together, the slider is fixed on the outer wall of the double-layer filter plate, the slider is slidably disposed in the first box, the first sealing door is fixed on the first box through hinges, and the first sealing door and the double-layer filter plate are correspondingly disposed.

In an embodiment of the present invention, the stirring portion includes a motor, a first connecting shaft, and a first stirring blade, the motor is fixed on the upper surface of the first box, the upper end of the first connecting shaft is fixed on the output shaft of the motor, and the first stirring blade is fixed on the outer wall of the first connecting shaft.

The utility model discloses an in an embodiment, the second filter house includes second box, activated carbon filter layer, slide, third box, filter screen box, second level sensor, fluid-discharge tube, flowing back valve and second sealing door, the second box is fixed on the upper surface of backup pad, the activated carbon filter layer with the third box is all fixed in the second box, the slide is fixed the second box with between the third box, second level sensor fixes on the outer wall of third box, filter screen box sets up on the third box, the flowing back valve sets up on the fluid-discharge tube, the second sealing door is fixed through the hinge page on the second box.

The utility model discloses an in one embodiment, the portion of drawing water includes first aqueduct, water pump, second aqueduct, solenoid valve, drain main and shower nozzle, the water pump is fixed on the upper surface of second box, the one end of first aqueduct with the one end of second aqueduct all sets up on the water pump, the other end setting of first aqueduct is in the first box, the drain main fixes in the second box, the other end setting of second aqueduct is in on the drain main, the shower nozzle sets up on the drain main, the solenoid valve sets up on the second aqueduct.

The utility model discloses an in one embodiment, the transmission portion includes second connecting axle, first gear drive spare, second gear drive spare, third connecting axle, diaphragm, third gear drive spare, fourth connecting axle and fourth gear drive spare, the second connecting axle rotates and runs through first box, the diaphragm is fixed on the outer wall of first box, the third connecting axle rotates and runs through the diaphragm, the one end of second connecting axle with the outer wall of first connecting axle passes through first gear drive spare transmission links together, the other end of second connecting axle with the upper end of third connecting axle is passed through second gear drive spare transmission links together, the fourth connecting axle rotates simultaneously and runs through the second box with the third box, the one end of fourth connecting axle with the outer wall of third connecting axle passes through third gear drive spare transmission links together, the tip of fifth connecting axle rotates and sets up in the inner wall of third box, the other end of fourth connecting axle with the outer wall of fifth connecting axle passes through fourth gear drive spare transmission links together.

In an embodiment of the present invention, the first gear transmission member includes a first bevel gear and a second bevel gear, the first bevel gear is fixed on the outer wall of the second connecting shaft, the second bevel gear is fixed on the outer wall of the first connecting shaft, and the first bevel gear and the second bevel gear are engaged with each other.

The utility model has the advantages that: the utility model discloses a medicine waste water circulating filtration mechanism that above-mentioned design obtained, during the use, open the water intaking valve, medicine waste water enters into in the first box through the waste water pipe, heat medicine waste water through the hot plate, waste water filters the partial impurity in it through double-deck filter, first level sensor is convenient for carry out real-time monitoring to the liquid volume in the first box, the temperature controller is convenient for control the temperature in the first box, the temperature control of waste water is between forty five to sixty degrees centigrade, later water pump work is in the second box to the waste water suction after the preliminary treatment, the shower nozzle sprays the waste water is even on the active carbon filter layer, make the active carbon filter layer better handle waste water, impurity and peculiar smell in the medicine waste water are clear away to the active carbon filter layer, waste water enters into the third box through slide and filter box at last, pour into the purification reagent into to the third box through the hopper, the rotation of motor output shaft drives first connecting axle and rotates, the fifth gear drive spare, the second gear drive spare is mixed the purification reagent that the waste water purification is quick under the waste water purification efficiency is realized to the waste water synchronous action of the second connection axle and the purification of the waste water is mixed and is utilized, the waste water purification reagent that the waste water is mixed together, the waste water is realized the waste water is mixed and is put together, the waste water purification efficiency is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a medical wastewater circulating and filtering mechanism according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a medical wastewater circulating and filtering mechanism according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structural view of a first purification assembly according to an embodiment of the present invention;

fig. 4 is a schematic sectional structure view of a second purification assembly according to an embodiment of the present invention.

In the figure: 100-a first purification component; 110-a support; 111-a support plate; 112-a base; 120-a first filter section; 121-a first box; 122-a heating plate; 123-a waste water conduit; 124-water inlet valves; 125-temperature controller; 126-a first level sensor; 127-double layer filter plate; 128-a slide block; 129-a first sealing door; 130-an agitation section; 131-a motor; 132-a first connecting shaft; 133-a first paddle; 140-a second filter portion; 141-a second box; 142-an activated carbon filter layer; 143-a slide; 144-a third box; 145-a filtering net cage; 146-a second liquid level sensor; 147-drain; 148-drain valve; 149-a second sealing door; 150-a water extraction part; 151-first water conduit; 152-a water pump; 153-a second water conduit; 154-solenoid valve; 155-main drain; 156-a spray head; 200-a second purification component; 210-a transmission; 211-a second connection shaft; 212-a first gear drive; 2121-first bevel gear; 2122-second bevel gear; 213-a second gear drive; 214-a third connecting shaft; 215-a transverse plate; 216-a third gear drive; 217-a fourth connecting shaft; 218-a fourth gear drive; 220-a fifth connecting shaft; 230-a second stirring blade; 240-hopper.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a medical waste water circulating and filtering mechanism comprises a first purifying assembly 100 and a second purifying assembly 200.

The second purification assembly 200 is arranged on the first purification assembly 100, the fifth connecting shaft 220 synchronously rotates under the combined action of the first gear transmission member 212, the second gear transmission member 213, the third connecting shaft 214, the transverse plate 215, the third gear transmission member 216, the fourth connecting shaft 217 and the fourth gear transmission member 218, the rotation of the second stirring blade 230 is realized by the rotation of the fifth connecting shaft 220, the purification reagent and the wastewater are quickly mixed together under the action of the second stirring blade 230, the purification reagent quickly reacts with harmful substances in the wastewater and is removed, finally, the water is discharged from the liquid discharge pipe 147 for recycling, the wastewater circulating and filtering mechanism is convenient for quickly mixing the purification reagent and the wastewater together, and the treatment efficiency of the medical wastewater is improved.

Referring to fig. 1 to 3, the first cleaning assembly 100 includes a support part 110, a first filter part 120, a stirring part 130, a second filter part 140, and a pumping part 150, the first filter part 120 and the second filter part 140 are disposed on the support part 110, the support part 110 includes a support plate 111 and a base 112, the base 112 is fixed on a lower surface of the support plate 111, the base 112 makes the lower surface of the support plate 111 away from the ground to effectively prevent stains on the ground from corroding the lower surface of the support plate 111, the first filter part 120 includes a first tank 121, a heating plate 122, a waste water conduit 123, a water inlet valve 124, a temperature controller 125, a first level sensor 126, a double-layer filter plate 127, a slider 128, and a first sealing door 129, the first tank 121 is fixed on an upper surface of the support plate 111, the heater plate 122 is fixed in an inner wall of the first tank 121, one end of the waste water conduit 123 is disposed on the first tank 121, the water inlet valve 124 is disposed on the waste water conduit 123, the temperature controller 125 and the first level sensor 126 are fixed on an outer wall of the first tank 121, the temperature controller 125 and the first filter plate 125 are electrically connected together, the slider 127 are disposed on an outer wall of the first tank 121, impurities are filtered in the first filtering plate 121, the first filtering plate 121 and filtered by the first sealing door 121, the first filtering plate 121, the waste water conduit 121, the double-filtering plate 121, and the filtering plate 121 are disposed in the first filtering plate 121.

The stirring part 130 is disposed on the first filtering part 120, the stirring part 130 includes a motor 131, a first connecting shaft 132 and a first stirring blade 133, the motor 131 is fixed on the upper surface of the first housing 121, the upper end of the first connecting shaft 132 is fixed on the output shaft of the motor 131, the first stirring blade 133 is fixed on the outer wall of the first connecting shaft 132, the rotation of the output shaft of the motor 131 drives the first stirring blade 133 to rotate, so that the wastewater is uniformly heated, the second filtering part 140 includes a second housing 141, an activated carbon filter 142, a slide way 143, a third housing 144, a filter net cage 145, a second liquid level sensor 146, a drain pipe 147, a drain valve 148 and a second sealing door 149, the second housing 141 is fixed on the upper surface of the supporting plate 111, the activated carbon filter 142 and the third housing 144 are both fixed in the second housing 141, the slide way 143 is fixed between the second housing 141 and the third housing 144, the second liquid level sensor 146 is fixed on the outer wall of the third housing 144, the filtering net cage 145 is disposed on the third case 144, the drain valve 148 is disposed on the drain pipe 147, the second sealing door 149 is fixed on the second case 141 by hinges, the activated carbon filter layer 142 facilitates removal of impurities and odor in the medical wastewater, the pumping part 150 is disposed on the second filter part 140, the pumping part 150 includes a first water conduit 151, a water pump 152, a second water conduit 153, an electromagnetic valve 154, a drain header 155 and a spray head 156, the water pump 152 is fixed on the upper surface of the second case 141, one end of the first water conduit 151 and one end of the second water conduit 153 are both disposed on the water pump 152, the other end of the first water conduit 151 is disposed in the first case 121, the drain header 155 is fixed in the second case 141, the other end of the second water conduit 153 is disposed on the drain header 155, the spray head 156 is disposed on the drain header 155, the electromagnetic valve 154 is disposed on the second water conduit 153, the water pump 152 works to pump the primarily treated wastewater into the second tank 141, and the spray head 156 sprays the wastewater onto the activated carbon filter layer 142, so that the activated carbon filter layer 142 can better treat the wastewater.

Referring to fig. 2 and 4, the second purification assembly 200 includes a transmission part 210, a fifth connection shaft 220, a second stirring blade 230, and a hopper 240, the fifth connection shaft 220 is disposed in the second filter part 140, the transmission part 210 is disposed between the stirring part 130 and the fifth connection shaft 220, the transmission part 210 includes a second connection shaft 211, a first gear transmission member 212, a second gear transmission member 213, a third connection shaft 214, a horizontal plate 215, a third gear transmission member 216, a fourth connection shaft 217, and a fourth gear transmission member 218, the second connection shaft 211 rotatably penetrates the first housing 121, the horizontal plate 215 is fixed to an outer wall of the first housing 121, the third connection shaft 214 rotatably penetrates the horizontal plate 215, one end of the second connection shaft 211 and an outer wall of the first connection shaft 132 are drivingly connected together by the first gear transmission member 212, the first gear transmission member 212 includes a first conical gear 2121 and a second conical gear 2122, the first conical gear 2121 is fixed to an outer wall of the second connection shaft 211, the first conical gear 2122 is fixed to an outer wall of the first connection shaft 132, the first conical gear 2121 is engaged with the second conical gear 2122, and the first conical gear 2122 are rotatably connected to the second connection shaft 132.

The other end of the second connecting shaft 211 and the upper end of the third connecting shaft 214 are in transmission connection through a second gear transmission member 213, the fourth connecting shaft 217 penetrates through the second box 141 and the third box 144 in a rotating manner, one end of the fourth connecting shaft 217 and the outer wall of the third connecting shaft 214 are in transmission connection through a third gear transmission member 216, the end of the fifth connecting shaft 220 is arranged in the inner wall of the third box 144 in a rotating manner, the other end of the fourth connecting shaft 217 and the outer wall of the fifth connecting shaft 220 are in transmission connection through a fourth gear transmission member 218, the first connecting shaft 132 is driven to rotate by the rotation of the output shaft of the motor 131, the fifth connecting shaft 220 is driven to rotate by the first gear transmission member 212, the second gear transmission member 213, the third connecting shaft 214, the transverse plate 215, the third gear transmission member 216, the fourth connecting shaft 217 and the fourth gear transmission member 218, the second stirring blade 230 is driven to rotate by the rotation of the fifth connecting shaft 220, and the hopper 240 is fixed on the outer wall of the second stirring blade 230.

Specifically, this medical waste water circulating filtration mechanism's theory of operation: when the wastewater purification device is used, the water inlet valve 124 is opened, medical wastewater enters the first box body 121 through the wastewater guide pipe 123, the medical wastewater is heated through the heating plate 122, partial impurities in the wastewater are filtered out through the double-layer filter plate 127, the first liquid level sensor 126 is convenient for monitoring the liquid amount in the first box body 121 in real time, the temperature controller 125 is convenient for controlling the temperature in the first box body 121, the temperature of the wastewater is controlled to be between forty-five and sixty ℃, then the water pump 152 works to pump the primarily treated wastewater into the second box body 141, the spray head 156 sprays the wastewater uniformly onto the activated carbon filter layer 142, so that the activated carbon filter layer 142 better treats the wastewater, the activated carbon filter layer 142 removes impurities and peculiar smell in the medical wastewater, the wastewater finally enters the third box body 144 through the slide way 143 and the filter net cage 145, a purification reagent is injected into the third box body 144 through the hopper 240, the rotation of the output shaft of the motor 131 drives the first connecting shaft 132 to rotate, the fifth connecting shaft 220 is arranged on the first gear transmission part 212, the third gear connecting shaft 213, the third gear connecting shaft 215, the fourth gear transmission part 215 is used for stirring and the fourth gear transmission part 220 for quickly stirring the wastewater purification reaction of the wastewater, the wastewater purification transmission part 220, the wastewater purification reagent is quickly, the wastewater discharge mechanism 230, and the wastewater discharge mechanism 230 for quickly and the wastewater discharge mechanism for quickly and the wastewater discharge, so that wastewater discharge of the wastewater can be quickly purified by the wastewater discharge mechanism 230, and the wastewater can be quickly and the wastewater discharge.

It should be noted that the specific model specifications of the heating plate 122, the temperature controller 125, the first liquid level sensor 126, the motor 131, the second liquid level sensor 146, the water pump 152 and the electromagnetic valve 154 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the heating plate 122, the thermostat 125, the first level sensor 126, the motor 131, the second level sensor 146, the water pump 152 and the solenoid valve 154 will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A medicine wastewater circulating and filtering mechanism is characterized by comprising

A first purification assembly (100), the first purification assembly (100) including a support portion (110), a first filtering portion (120), an agitation portion (130), a second filtering portion (140), and a water pumping portion (150), the first filtering portion (120) and the second filtering portion (140) being disposed on the support portion (110), the agitation portion (130) being disposed on the first filtering portion (120), the water pumping portion (150) being disposed on the second filtering portion (140);

the second purification assembly (200) comprises a transmission part (210), a fifth connecting shaft (220), a second stirring blade (230) and a hopper (240), wherein the fifth connecting shaft (220) is arranged in the second filtering part (140), the transmission part (210) is arranged between the stirring part (130) and the fifth connecting shaft (220), and the hopper (240) is fixed on the outer wall of the second stirring blade (230).

2. A medical waste water circulating and filtering mechanism according to claim 1, characterized in that the supporting part (110) comprises a supporting plate (111) and a base (112), and the base (112) is fixed on the lower surface of the supporting plate (111).

3. A medical wastewater circulating and filtering mechanism according to claim 2, wherein the first filtering part (120) comprises a first housing (121), a heating plate (122), a wastewater conduit (123), a water inlet valve (124), a temperature controller (125), a first liquid level sensor (126), a double-layer filter plate (127), a slider (128) and a first sealing door (129), the first housing (121) is fixed on the upper surface of the supporting plate (111), the heating plate (122) is fixed in the inner wall of the first housing (121), one end of the wastewater conduit (123) is disposed on the first housing (121), the water inlet valve (124) is disposed on the wastewater conduit (123), the temperature controller (125) and the first liquid level sensor (126) are both fixed on the outer wall of the first housing (121), the temperature controller (125) and the heating plate (122) are electrically connected together, the slider (128) is fixed on the outer wall of the double-layer filter plate (127), the slider (128) is slidably disposed in the first housing (121), and the first sealing door (129) is fixed on the first filter plate (121) and the hinge door (129).

4. A medical wastewater circulating and filtering mechanism according to claim 3, wherein the stirring part (130) comprises a motor (131), a first connecting shaft (132) and a first stirring blade (133), the motor (131) is fixed on the upper surface of the first box (121), the upper end of the first connecting shaft (132) is fixed on the output shaft of the motor (131), and the first stirring blade (133) is fixed on the outer wall of the first connecting shaft (132).

5. A medical waste water circulating and filtering mechanism according to claim 4, wherein the second filtering portion (140) includes a second case (141), an activated carbon filter layer (142), a slide way (143), a third case (144), a filtering net case (145), a second level sensor (146), a drain pipe (147), a drain valve (148), and a second sealing door (149), the second case (141) is fixed on the upper surface of the supporting plate (111), the activated carbon filter layer (142) and the third case (144) are both fixed in the second case (141), the slide way (143) is fixed between the second case (141) and the third case (144), the second level sensor (146) is fixed on the outer wall of the third case (144), the filtering net case (145) is disposed on the third case (144), the drain valve (148) is disposed on the drain pipe (147), and the second sealing door (149) is fixed on the second case (141).

6. The medical wastewater circulating and filtering mechanism according to claim 5, wherein the water pumping part (150) comprises a first water guide pipe (151), a water pump (152), a second water guide pipe (153), an electromagnetic valve (154), a water discharge main pipe (155) and a spray head (156), the water pump (152) is fixed on the upper surface of the second case (141), one end of the first water guide pipe (151) and one end of the second water guide pipe (153) are both arranged on the water pump (152), the other end of the first water guide pipe (151) is arranged in the first case (121), the water discharge main pipe (155) is fixed in the second case (141), the other end of the second water guide pipe (153) is arranged on the water discharge main pipe (155), the spray head (156) is arranged on the water discharge main pipe (155), and the electromagnetic valve (154) is arranged on the second water guide pipe (153).

7. A medical waste water circulating and filtering mechanism according to claim 6, wherein the transmission portion (210) includes a second connecting shaft (211), a first gear transmission member (212), a second gear transmission member (213), a third connecting shaft (214), a transverse plate (215), a third gear transmission member (216), a fourth connecting shaft (217) and a fourth gear transmission member (218), the second connecting shaft (211) rotatably penetrates through the first housing (121), the transverse plate (215) is fixed on the outer wall of the first housing (121), the third connecting shaft (214) rotatably penetrates through the transverse plate (215), one end of the second connecting shaft (211) and the outer wall of the first connecting shaft (132) are drivingly connected together by the first gear transmission member (212), the other end of the second connecting shaft (211) and the upper end of the third connecting shaft (214) are drivingly connected together by the second gear transmission member (213), the fourth connecting shaft (217) simultaneously rotatably penetrates through the second housing (141) and the third housing (144), one end of the fourth connecting shaft (217) and one end of the third connecting shaft (216) and the inner wall of the third connecting shaft (214) are drivingly connected together by the fifth gear transmission member (144), and an end portion of the third connecting shaft (214) is provided in the third connecting shaft (144), the other end of the fourth connecting shaft (217) and the outer wall of the fifth connecting shaft (220) are in transmission connection through a fourth gear transmission piece (218).

8. A medical waste water circulating and filtering mechanism according to claim 7, wherein the first gear transmission member (212) comprises a first bevel gear (2121) and a second bevel gear (2122), the first bevel gear (2121) is fixed on the outer wall of the second connecting shaft (211), the second bevel gear (2122) is fixed on the outer wall of the first connecting shaft (132), and the first bevel gear (2121) and the second bevel gear (2122) are meshed.