CN212493483U

CN212493483U - Centrifuge is used in preparation of disinfection bath

Info

Publication number: CN212493483U
Application number: CN202020430628.6U
Authority: CN
Inventors: 王金强
Original assignee: Shandong Disineer Disinfection Science And Technology Inc
Current assignee: Shandong Disineer Disinfection Science And Technology Inc
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-02-09
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a centrifuge is used in preparation of disinfection bath relates to disinfection bath preparation technical field, including the base, the upper end of base is provided with quick-witted case, and the correspondence of the upper surface both sides of machine case is provided with the curb plate, is provided with the barrel between two curb plates, and the surface of barrel is around there being the toroidal tube, and a side intercommunication of toroidal tube has the connecting pipe, and the medial surface intercommunication of connecting pipe has the shower nozzle, and the lower surface intercommunication of toroidal tube has the conveyer pipe, and the inside of barrel is provided with outward the drum, and the internal rotation of outward the drum is connected with interior rotary drum. The utility model discloses a design of two rotary drums increases centrifuge's centrifugal force to improve the centrifugal effect of material thing, and make solid particle and liquid separation more thorough in the liquid material thing, electric fan and high pressure water pump's UNICOM effect simultaneously can make the interior residual solid particle drying that bonds of centrifuge break away from, easily clearance, not only operate simple and direct, the cleaning efficiency is high moreover.

Description

Centrifuge is used in preparation of disinfection bath

Technical Field

The utility model relates to a disinfection bath foam preparation technical field specifically is a centrifuge is used in disinfection bath foam preparation.

Background

In the bath foam preparation process, the raw material components of the bath foam are important in the treatment process, and the treatment quality of the raw materials often has great influence on the using effect of the bath foam, so the treatment of the raw materials is mainly noticed in the bath foam preparation process, and the treatment process of the raw material components of the bath foam needs to be completed through a series of operations such as cleaning, crushing, stirring, mixing, centrifuging and the like.

The centrifuge is provided with a cylinder which rotates around the axis of the centrifuge at a high speed, the cylinder is called a rotary drum and is usually driven by a motor, suspension (or emulsion) is added into the rotary drum and is rapidly driven to rotate at the same speed as the rotary drum, components are separated under the action of centrifugal force and are respectively discharged, generally, the higher the rotating speed of the rotary drum, the better the separation effect is, but the rotary drum of the centrifuge in the market at present is single, the rotating speed of the motor needs to be increased when the centrifugal force is increased, certain potential safety hazard and wearability are brought to the centrifuge when the rotating speed of the motor is increased, the filtering separation effect of the single rotary drum is not perfect, and solid-phase particles and impurities in materials are wet in the material centrifugation process, so that after the separation is finished, the solid-phase particles are easily bonded in the rotary drum under the influence of the moisture, and the cleaning effect is influenced. Accordingly, those skilled in the art have provided a centrifuge for disinfecting bath preparation that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifuge is used in preparation of disinfection bath foam to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifuge is used in preparation of disinfection bath foam, includes the base, the upper end of base is provided with quick-witted case, the correspondence of the upper surface both sides of machine case is provided with curb plate, two be provided with the barrel between the curb plate, the front side one end of barrel is provided with main motor, and the front side other end of barrel is provided with vice motor, the lower surface one end intercommunication of barrel has the slag discharge mouth, and the lower surface other end intercommunication of barrel has the drain pipe, the surface ring of barrel has the annular tube, a side intercommunication of annular tube has the connecting pipe, the medial surface intercommunication of connecting pipe has the shower nozzle, the lower surface intercommunication of annular tube has the conveyer pipe, the inside of barrel is provided with outer drum, the internal rotation of outer drum is connected with interior rotary drum, the inside of interior rotary drum runs through there is screw feeder.

As a further aspect of the present invention: the front side of barrel is located and is provided with the control box between main motor and the vice motor, the one end of drain pipe runs through quick-witted case intercommunication and has the liquid outlet, the one end of barrel runs through the curb plate and is connected with the feed inlet.

As a further aspect of the present invention: the quick-witted case is characterized in that the one end intercommunication that the inside of machine case is located the conveyer pipe has the water tank, be provided with the water valve between conveyer pipe and the water tank, perpendicular intercommunication has the tuber pipe between conveyer pipe and the water valve, be provided with the blast gate between tuber pipe and the conveyer pipe, the other end intercommunication of tuber pipe has electric fan, the inside bottom of water tank is provided with high pressure water pump, the one end of conveyer pipe is run through the output of water tank and high pressure water pump and is linked together.

As a further aspect of the present invention: the connecting pipe is provided with a plurality of, and be annular equidistance around the surface of barrel, the one end of connecting pipe and a side through connection of barrel, and the other end of connecting pipe is connected with annular mount, the medial surface equidistance of connecting pipe is provided with ten at least shower nozzles, the one end of shower nozzle runs through the barrel and extends to its inside, the connecting pipe is linked together through the toroidal tube with the conveyer pipe.

As a further aspect of the present invention: the one end fixedly connected with of rotary drum connects the rotary drum in the inside of barrel is located, the surface mounting who connects the rotary drum has first belt roller, the one end that the inside of connecting the rotary drum corresponds the screw feeder is run through there is the inlet pipe, the pivot is all installed to the both ends inboard that the surface both ends of interior rotary drum correspond outward the rotary drum, the slag notch has been seted up to the outside department that the one end of interior rotary drum is close to the pivot.

As a further aspect of the present invention: the inner rotary drum is rotatably connected with the outer rotary drum through a rotating shaft, a slag outlet at one end of the inner rotary drum corresponds to one end opening of a slag discharge opening, a belt is sleeved on the surface of the first belt roller, the first belt roller and the belt are arranged inside the side plate, and the connecting rotary drum is rotatably connected with the output end of the main motor through the first belt roller and the belt.

As a further aspect of the present invention: the surface of the inner rotary drum and the surface of the outer rotary drum are both provided with filtering holes, the filtering holes on the surface of the inner rotary drum are larger than the filtering holes on the surface of the outer rotary drum, and the outer diameter of the inner rotary drum is smaller than the inner diameter of the outer rotary drum.

As a further aspect of the present invention: the inside of screw feeder is provided with interior spiral leaf, and the surface of screw feeder is provided with outer spiral leaf, the one end surface of screw feeder is provided with the second belt roller, and the one end of screw feeder is close to outer spiral leaf department and encircles and has seted up two at least discharge gates, the one end of screw feeder is passed through second belt roller and belt rotation with vice motor and is connected, the one end of feed inlet is linked together through the other end of inlet pipe with screw feeder.

As a further aspect of the present invention: the feed inlet is provided with the bearing with the other end junction of screw feeder, interior spiral leaf and the opposite direction that sets up of outer spiral leaf, the one end inboard of outer drum corresponds screw feeder department and is provided with the cross mount, and the one end of outer drum is connected through the pivot rotation with interior drum, the other end and the screw feeder of outer drum pass through cross mount fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a centrifuge is used in preparation of disinfection bath foam, in actual operation, through the dual function of interior rotary drum and outer rotary drum, can further accelerate centrifuge's centrifugal force, thereby improve the centrifugal efficiency of material thing, solve the effect of traditional single rotary drum, lead to centrifugal effect not perfect enough, can only improve centrifugal force through the increase rotational speed, and the problem that will influence centrifuge's stability and security like this, and the aperture of interior rotary drum and outer rotary drum filtration pore is different, make solid particle in the liquid material thing more thorough with liquid separation, separation efficiency is higher, and the UNICOM effect of electric fan and high pressure water pump, can carry out drying process to the residual material thing of inner wall of interior rotary drum earlier, make the residual material sediment that has the moisture drop from the inner wall of interior rotary drum fast, be convenient for its discharge, and reuse high pressure water pump to take water to wash centrifuge inside once more, the centrifugal machine is convenient for secondary washing of residual rare crushed material slag in the rotary drum, so that the cleaning effect in the centrifugal machine is further improved.

Drawings

FIG. 1 is a rear view of a centrifuge for preparing a disinfectant bath;

FIG. 2 is a schematic view of a centrifuge for preparing a disinfectant bath lotion;

FIG. 3 is an enlarged view of part A of a centrifuge for preparing a disinfectant bath lotion;

FIG. 4 is an enlarged view of part B of a centrifuge for preparing a disinfectant bath lotion;

FIG. 5 is a schematic view of the operation of the rotor drum and motor of the centrifuge for preparing the disinfecting bath lotion;

FIG. 6 is a schematic view showing the construction of an inner rotating drum and an outer rotating drum of a centrifuge for preparing a disinfectant bath lotion;

FIG. 7 is a schematic view showing the structure of a screw feeder in a centrifuge for preparing a sterilizing bath lotion.

In the figure: 1. a base; 2. a barrel; 3. a feed inlet; 4. a main motor; 5. a connecting pipe; 6. a secondary motor; 7. a side plate; 8. a liquid outlet pipe; 9. a chassis; 10. an annular tube; 11. a slag discharge port; 12. a spray head; 13. a liquid outlet; 14. a control box; 15. a delivery pipe; 16. an inner drum; 17. an outer rotating drum; 18. a feed pipe; 19. connecting the rotary drum; 20. a screw feeder; 21. a first belt roller; 22. a rotating shaft; 23. a slag outlet; 24. a cross-shaped fixing frame; 91. an electric heating fan; 92. an air duct; 93. an air valve; 94. a water valve; 95. A water tank; 201. inner helical blades; 202. outer helical leaves; 203. a discharge port; 204. a second belt roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1 to 7, in an embodiment of the present invention, a centrifuge for preparing a disinfecting bath foam comprises a base 1, a case 9 is disposed at an upper end of the base 1, side plates 7 are correspondingly disposed at two sides of an upper surface of the case 9, a barrel 2 is disposed between the two side plates 7, a main motor 4 is disposed at one end of a front side of the barrel 2, an auxiliary motor 6 is disposed at the other end of the front side of the barrel 2, a slag discharge port 11 is communicated with one end of a lower surface of the barrel 2, a liquid discharge pipe 8 is communicated with the other end of the lower surface of the barrel 2, an annular pipe 10 is surrounded on the outer surface of the barrel 2, a connecting pipe 5 is communicated with one side of the annular pipe 10, a nozzle 12 is communicated with an inner side of the connecting pipe 5, a conveying pipe 15 is communicated with a lower surface of the annular pipe 10, an outer drum 17 is disposed inside the barrel 2, an, a control box 14 is arranged between the main motor 4 and the auxiliary motor 6 at the front side of the machine barrel 2, one end of the liquid outlet pipe 8 penetrates through the machine box 9 and is communicated with a liquid outlet 13, and one end of the machine barrel 2 penetrates through the side plate 7 and is connected with the feeding hole 3.

A water tank 95 is communicated with one end of a conveying pipe 15 in the case 9, a water valve 94 is arranged between the conveying pipe 15 and the water tank 95, an air pipe 92 is vertically communicated between the conveying pipe 15 and the water valve 94, an air valve 93 is arranged between the air pipe 92 and the conveying pipe 15, the other end of the air pipe 92 is communicated with an electric heating fan 91, a high-pressure water pump is arranged at the bottom end in the water tank 95, one end of the conveying pipe 15 penetrates through the water tank 95 and is communicated with the output end of the high-pressure water pump, a plurality of connecting pipes 5 are arranged and surround the outer surface of the machine barrel 2 at equal intervals in an annular shape, one end of each connecting pipe 5 is communicated with one side surface of the machine barrel 2, the other end of each connecting pipe 5 is connected with an annular fixing frame, at least ten nozzles 12 are arranged on the, through the action of matching a plurality of nozzles 12 with a plurality of connecting pipes 5 surrounding the surface of the machine barrel 2, after the centrifugation of materials is finished, the electric heating fan 91 is firstly utilized to work, the water valve 94 is closed, the air valve 93 is opened, hot air is conveyed into the annular pipe 10 and the connecting pipes 5 through the conveying pipe 15 through the air pipe 92, and then the hot air is injected into the machine barrel 2 through the nozzles 12, so that the centrifugal material slag remained on the inner wall of the inner rotary drum 16 in the machine barrel 2 is heated and dried, the material slag with liquid is rapidly dried, the material slag cannot be bonded with the inner wall of the inner rotary drum 16, the discharge of the material slag can be improved, the phenomenon that the centrifugal material slag with liquid is bonded on the inner wall of the inner rotary drum 16 to cause poor cleaning effect and influence the reuse of the material slag is avoided, after the material slag is dried and cleaned for a period of time, the electric heating fan 91 and the air valve 93 are closed, the water valve 94 is, through high pressure water pump with the washing water suction in the water tank 95 to conveyer pipe 15 in, carry annular pipe 10 and connecting pipe 5 by conveyer pipe 15 in, wash 2 insides of barrel by shower nozzle 12 again to can further wash the centrifugation material sediment after the clearance comprehensively, thereby realize the high-efficient clearance to centrifuge inside.

A connecting rotary drum 19 is fixedly connected to one end of an inner rotary drum 16 in the machine barrel 2, a first belt roller 21 is mounted on the outer surface of the connecting rotary drum 19, a feed pipe 18 penetrates through one end of the connecting rotary drum 19 corresponding to a screw feeder 20, rotating shafts 22 are mounted on two ends of the outer surface of the inner rotary drum 16 corresponding to two inner ends of an outer rotary drum 17, a slag outlet 23 is formed in one end of the inner rotary drum 16 close to the outer side of the rotating shaft 22, the inner rotary drum 16 is rotatably connected with the outer rotary drum 17 through the rotating shaft 22, the slag outlet 23 in one end of the inner rotary drum 16 corresponds to one end of a slag outlet 11, a belt is sleeved on the surface of the first belt roller 21, the first belt roller 21 and the belt are both arranged in the side plate 7, the connecting rotary drum 19 is rotatably connected with the output end of a main motor 4 through the first belt roller 21 and the belt, filter holes are formed in the surfaces of the inner rotary drum 16 and the outer rotary drum 17, and the filter holes, the outer diameter of the inner rotary drum 16 is smaller than the inner diameter of the outer rotary drum 17, the traditional centrifuge mostly adopts a rotary drum for centrifugation, the design can accelerate the centrifugal force of the centrifuge by utilizing the function of the inner rotary drum 16 matching with the outer rotary drum 17, thereby improving the centrifugation efficiency of materials, when in work, the main motor 4 matches with the first belt roller 21 to drive the inner rotary drum 16 to rotate, thereby carrying out rapid centrifugal separation on the materials conveyed by the screw feeder 20, and the auxiliary motor 6 drives the screw feeder 20 to rotate through the second belt roller 204 under the action of the cross fixing frame 24, and can synchronously drive the rotation of the outer rotary drum 17, thereby enabling the outer rotary drum 17 and the inner rotary drum 16 to rotate in the same direction, thereby the rotation of the double rotary drum can further increase the centrifugal force in the machine barrel 2, thereby increasing the centrifugation effect, and the aperture of the filter holes on the surface of the outer rotary drum 17 is smaller than the aperture of the filter holes on the surface of the inner rotary drum, and then can be better to material thing centrifugal separation for solid particle in the liquid can be better with liquid separation, improve the centrifugal efficiency of liquid.

An inner spiral blade 201 is arranged inside the spiral feeder 20, an outer spiral blade 202 is arranged on the outer surface of the spiral feeder 20, a second belt roller 204 is arranged on the outer surface of one end of the spiral feeder 20, at least two discharge holes 203 are formed in the position, close to the outer spiral blade 202, of one end of the spiral feeder 20 in a surrounding mode, one end of the spiral feeder 20 is rotatably connected with the auxiliary motor 6 through the second belt roller 204 and a belt, one end of the feed hole 3 is communicated with the other end of the spiral feeder 20 through the feed pipe 18, a bearing is arranged at the connecting position of the feed hole 3 and the other end of the spiral feeder 20, the arrangement directions of the inner spiral blade 201 and the outer spiral blade 202 are opposite, a cross fixing frame 24 is arranged on the inner side of one end of the outer rotary drum 17 corresponding to the position of the spiral feeder 20, one end of the outer rotary drum 17 is rotatably connected with the inner rotary drum, after the materials are put in from the feeding inlet 3 and enter the inlet at one end of the screw feeder 20 through the feeding pipe 18, the materials are conveyed to the other end thereof and discharged into the inner rotary drum 16 through the discharging outlet 203 under the action of the inner spiral blade 201 in the screw feeder 20, and the materials discharged from the screw feeder 20 are centrifugally separated by the inner rotary drum 16 due to the action of the outer spiral blade 202 additionally arranged outside the screw feeder 20, the generated centrifugal slag is pushed to the other end of the inner rotary drum 16 under the action of the outer spiral blade 202 (the outer spiral blade 202 has a certain gap with the inner wall of the inner rotary drum 16, so that the rotation of the inner rotary drum 16 is not influenced), and is discharged through the slag outlet 23 at one end of the inner rotary drum 16, and is discharged out of the centrifuge through the slag outlet 11 corresponding to the lower end of the inner rotary drum 16, and the centrifugal liquid separated by the centrifugal action of the inner rotary drum 16 is subjected to the double centrifugal action of the inner rotary drum 16 and the outer rotary drum 17, discharged from the liquid outlet pipe 8, it should be noted that the rotating directions of the inner rotary drum 16, the outer rotary drum 17 and the screw feeder 20 are consistent.

The utility model discloses a theory of operation is: the utility model discloses at the during operation, put into centrifuge's spiral feeder 20 with the required centrifugal composition feed liquid in the bath foam preparation process through feed inlet 3, through the work of control vice motor 6, drive spiral feeder 20 and rotate, through the effect of its inside interior spiral leaf 201, carry the material thing to the other end, discharge inside interior revolving drum 16 through discharge gate 203, rethread control main motor 4 work, thereby drive interior revolving drum 16 and rotate, thereby carry out centrifugal separation to its inside material thing, and when vice motor 6 drives spiral feeder 20 work, also can drive outer drum 17 simultaneously and rotate, from the dual rotation separation of interior revolving drum 16 and outer drum 17, can further increase centrifuge's inside centrifugal force, and the filtration pore aperture on outer drum 17 surface is less than the filtration pore aperture on inner drum 16 surface in the revolving drum, make the liquid of separation can obtain dual separation effect, solid particles in the liquid can be better separated from the liquid, the centrifugal efficiency of the liquid is improved, and the centrifuged material slag is pushed to one end of the inner rotary drum 16 from the inner rotary drum 16 through the reverse action of the outer spiral blade 202 and is discharged through the slag outlet 23;

after the material is centrifuged, the electric heating fan 91 is controlled to be opened, the water valve 94 is closed, the air valve 93 is opened, hot air is injected into the machine barrel 2 from the spray head 12 through the air pipe 92, so that centrifugal material slag remained on the inner wall of the inner rotary drum 16 in the machine barrel 2 is heated and dried, the material slag with liquid is rapidly dried, the material slag is prevented from being bonded with the inner wall of the inner rotary drum 16, the discharge of the material slag can be improved, the phenomenon that the centrifugal material slag with liquid is bonded on the inner wall of the inner rotary drum 16 to cause poor cleaning effect and influence the reuse of the centrifugal material slag is avoided, after the material slag is dried and cleaned for a period of time, the electric heating fan 91 and the air valve 93 are closed, the water valve 94 is opened, the high-pressure water pump is controlled to work, cleaning water in the water tank 95 is pumped into the conveying pipe 15 through the high-pressure water pump, the spray head 12 is used for washing the interior of the machine barrel 2, and the cleaned dilute centrifugal material slag, the design is simple and convenient to operate, automatic to operate, time-saving and labor-saving, the centrifugal force of the centrifugal machine is further improved due to the design of the double rotary drums, the centrifugal effect and the separation quality of materials are improved, and the cleaning efficiency of residual slag on the inner wall of the rotary drum in the centrifugal machine can be improved due to the double cleaning design.

It should be noted that: the main motor 4 and the auxiliary motor 6 are MCA17N23-RS0B0, and the electric heating fan 91 adopts an industrial hot air fan of HSM-P7.5Y-1 type.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The centrifuge for preparing the sterilizing bath foam comprises a base (1) and is characterized in that a case (9) is arranged at the upper end of the base (1), side plates (7) are correspondingly arranged on two sides of the upper surface of the case (9), a machine barrel (2) is arranged between the two side plates (7), a main motor (4) is arranged at one end of the front side of the machine barrel (2), an auxiliary motor (6) is arranged at the other end of the front side of the machine barrel (2), one end of the lower surface of the machine barrel (2) is communicated with a slag discharge port (11), the other end of the lower surface of the machine barrel (2) is communicated with a liquid outlet pipe (8), an annular pipe (10) is encircled on the outer surface of the machine barrel (2), a connecting pipe (5) is communicated with one side surface of the annular pipe (10), a spray head (12) is communicated with the inner side surface of the connecting pipe (5), and a conveying, an outer rotating drum (17) is arranged inside the machine barrel (2), an inner rotating drum (16) is rotatably connected inside the outer rotating drum (17), and a spiral feeder (20) penetrates through the inner rotating drum (16).

2. The centrifuge for preparing disinfecting bath foam according to claim 1, wherein a control box (14) is arranged at the front side of said machine barrel (2) between said main motor (4) and said auxiliary motor (6), one end of said outlet pipe (8) is connected to said outlet port (13) through said housing (9), and one end of said machine barrel (2) is connected to said feed port (3) through said side plate (7).

3. The centrifuge for preparing the sterilizing bath foam according to claim 1, wherein a water tank (95) is communicated with one end of the conveying pipe (15) in the case (9), a water valve (94) is arranged between the conveying pipe (15) and the water tank (95), an air pipe (92) is vertically communicated between the conveying pipe (15) and the water valve (94), an air valve (93) is arranged between the air pipe (92) and the conveying pipe (15), an electric heating fan (91) is communicated with the other end of the air pipe (92), a high-pressure water pump is arranged at the bottom end in the water tank (95), and one end of the conveying pipe (15) penetrates through the water tank (95) to be communicated with the output end of the high-pressure water pump.

4. The centrifuge for preparing the disinfectant bath foam according to claim 1, wherein said connecting tube (5) is provided with a plurality of annular connecting tubes (5) surrounding the outer surface of said barrel (2) at equal intervals, one end of said connecting tube (5) is connected to one side of said barrel (2) in a penetrating manner, and the other end of said connecting tube (5) is connected to an annular fixing frame, at least ten nozzles (12) are provided at equal intervals on the inner side of said connecting tube (5), one end of said nozzles (12) extends through said barrel (2) to the inside thereof, and said connecting tube (5) is connected to said conveying tube (15) through an annular tube (10).

5. The centrifuge for preparing the disinfecting bath foam according to claim 1, wherein a connecting drum (19) is fixedly connected to one end of the inner drum (16) inside the machine barrel (2), a first belt roller (21) is installed on the outer surface of the connecting drum (19), a feeding pipe (18) penetrates through one end of the inner part of the connecting drum (19) corresponding to the screw feeder (20), rotating shafts (22) are installed on two ends of the outer surface of the inner drum (16) corresponding to the inner sides of two ends of the outer drum (17), and a slag outlet (23) is opened at one end of the inner drum (16) close to the outer side of the rotating shafts (22).

6. The centrifuge for preparing a disinfecting bath foam according to claim 5, wherein said inner drum (16) and said outer drum (17) are rotatably connected by a shaft (22), a slag outlet (23) at one end of said inner drum (16) corresponds to one end of said slag outlet (11), a belt is sleeved on the surface of said first belt roller (21), said first belt roller (21) and said belt are both disposed inside said side plate (7), and said connecting drum (19) is rotatably connected to the output end of said main motor (4) by said first belt roller (21) and said belt.

7. The centrifuge as claimed in claim 1, wherein the inner drum (16) and the outer drum (17) have filtration holes on their surfaces, the filtration holes on the surface of the inner drum (16) are larger than the filtration holes on the surface of the outer drum (17), and the outer diameter of the inner drum (16) is smaller than the inner diameter of the outer drum (17).

8. The centrifuge for preparing the sterilizing bath foam according to claim 2, wherein an inner spiral blade (201) is arranged inside the spiral feeder (20), an outer spiral blade (202) is arranged on the outer surface of the spiral feeder (20), a second belt roller (204) is arranged on the outer surface of one end of the spiral feeder (20), at least two discharge holes (203) are formed in the position, close to the outer spiral blade (202), of one end of the spiral feeder (20), one end of the spiral feeder (20) is rotatably connected with the auxiliary motor (6) through the second belt roller (204) and a belt, and one end of the feed hole (3) is communicated with the other end of the spiral feeder (20) through the feed pipe (18).

9. The centrifuge for preparing a sterilizing bath foam according to claim 8, wherein a bearing is provided at a connection portion of the feed port (3) and the other end of the screw feeder (20), the inner screw blade (201) and the outer screw blade (202) are disposed in opposite directions, a cross-shaped fixing bracket (24) is disposed at an inner side of one end of the outer rotating drum (17) corresponding to the screw feeder (20), one end of the outer rotating drum (17) is rotatably connected to the inner rotating drum (16) through a rotating shaft (22), and the other end of the outer rotating drum (17) is fixedly connected to the screw feeder (20) through the cross-shaped fixing bracket (24).