CN216550088U

CN216550088U - Drying equipment for medical wastewater and sludge

Info

Publication number: CN216550088U
Application number: CN202123102227.1U
Authority: CN
Inventors: 毛鑫; 蒋菊菊
Original assignee: Hangzhou Zecan Environmental Technology Co ltd
Current assignee: Hangzhou Zecan Environmental Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of medical wastewater treatment, in particular to a medical wastewater sludge drying device which comprises a collecting box, a sewage inlet pipe, a sludge pump, a stirring device, a heating device and a sterilizing device, wherein the sewage inlet pipe is fixedly arranged at the inlet end of the collecting box; the stirring mechanism is arranged on the inner side of the shell, and the driving mechanism is arranged at the bottom of the shell. The utility model greatly improves the sludge stirring effect and has strong practicability.

Description

Drying equipment for medical wastewater and sludge

Technical Field

The utility model relates to the technical field of medical wastewater treatment, in particular to a drying device for medical wastewater sludge.

Background

Medical wastewater comes from hospitals, contains a large amount of pathogenic bacteria, viruses and chemical agents, needs special process treatment, sludge is a solid precipitate generated in the process of water and sewage treatment, if medical sewage containing pathogenic microorganisms is directly discharged into urban sewers without harmless treatment such as disinfection, inactivation and the like, water and soil pollution is often caused, various diseases are seriously caused, or outbreak of water-mediated infectious diseases is caused;

traditional medical wastewater sludge's mummification device is usually low to the effect that reduces the moisture content in the mud waste water, to this, chinese patent publication is CN202022436263.0 discloses "a mummification device of medical wastewater sludge, includes: a base; the sludge drying device comprises a stirring assembly, a sterilization assembly, a refrigeration assembly and a disinfection assembly, wherein sludge is heated and stirred, so that the sludge can be dried more quickly, the water content of the sludge is reduced, and the gas-solid separation is effectively realized and the sludge is collected separately by using the stirring assembly, the sterilization assembly, the refrigeration assembly and the disinfection assembly in a matched manner;

however, in the "stirring assembly" of this patent, only make and set up several groups "stirring board" and carry out one-way stirring, because the viscidity of mud is great, several groups of one-way stirring's "stirring board" can't carry out even stirring to mud to reduce the speed of sludge drying, and then influenced the moisture content of whole mud.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that sludge cannot be uniformly stirred in the prior art, and provides a drying device for medical wastewater sludge.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the drying equipment for medical wastewater sludge comprises a collecting box, a sewage inlet pipe, a sludge pump, a stirring device, a heating device and a sterilizing device, wherein the sewage inlet pipe is fixedly arranged at the inlet end of the collecting box, the outlet end of the collecting box is communicated with the sludge pump through a guide pipe, the outlet end of the sludge pump is communicated with the stirring device through a guide pipe, the outlet end of the stirring device is communicated with the heating device through a guide pipe, the outlet end of the heating device is communicated with the sterilizing device through a guide pipe, and the stirring device comprises a shell, a stirring mechanism and a driving mechanism; the stirring mechanism is arranged on the inner side of the shell, and the driving mechanism is arranged at the bottom of the shell.

Preferably, the stirring mechanism comprises an installation box, a plurality of stirring rods and a sleeve shaft; the sleeve shaft runs through the bottom wall of the shell and is rotatably connected with the shell, the top end of the sleeve shaft is fixedly connected with the installation box, and the stirring rods are uniformly and fixedly installed at the two ends of the installation box.

Preferably, the stirring mechanism further comprises a worm, a plurality of worm wheels and a plurality of stirring impellers; the worm rotates and installs the inboard at the install bin, and is a plurality of the worm wheel all rotates and installs in the install bin, and distributes along the axis direction equidistance of worm, and is a plurality of the worm wheel all meshes with the worm, and is a plurality of impeller and the coaxial fixed connection of corresponding worm wheel.

Preferably, the stirring mechanism further comprises a first bevel gear, a rotating shaft and a second bevel gear; the rotating shaft penetrates through the sleeve shaft and is rotatably connected with the sleeve shaft, the top end of the rotating shaft is fixedly connected with the second bevel gear, and the first bevel gear is fixedly installed on the worm and meshed with the second bevel gear.

Preferably, the driving mechanism comprises a gear ring, a first gear, a motor and two second gears; the gear ring is fixedly mounted at the bottom end of the sleeve shaft, the first gear is fixedly mounted at the bottom end of the rotating shaft, the motor is fixedly mounted at the bottom of the shell, the second gears are fixedly mounted on an output shaft of the motor, and the second gears are meshed with the gear ring and the first gear respectively.

The medical wastewater sludge drying equipment provided by the utility model has the beneficial effects that: the stirring rods at the two ends of the installation box can transversely stir the sludge, and the stirring impellers synchronously rotate to longitudinally stir the sludge, so that the sludge stirring effect is greatly improved; the stirred sludge is then guided into the heating device, so that the sludge can be uniformly heated to accelerate the drying speed and reduce the water content of the sludge.

Drawings

FIG. 1 is a schematic structural diagram of a medical wastewater sludge drying apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of a stirring device of a medical wastewater sludge drying apparatus according to the present invention;

FIG. 3 is a schematic structural diagram of a stirring mechanism of a medical wastewater sludge drying apparatus according to the present invention;

FIG. 4 is a schematic structural diagram of a driving mechanism of a medical wastewater sludge drying apparatus according to the present invention.

In the figure: the device comprises a collecting box 1, a sewage inlet pipe 2, a sludge pump 3, a stirring device 4, a shell 41, a stirring mechanism 42, a mounting box 421, a stirring rod 422, a sleeve shaft 423, a worm 424, a worm gear 425, a stirring impeller 426, a first bevel gear 427, a rotating shaft 428, a second bevel gear 429, a driving mechanism 43, a gear ring 431, a first gear 432, a motor 433, a second gear 434, a heating device 5 and a disinfecting device 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-2, a medical wastewater sludge drying device comprises a collecting box 1, a sewage inlet pipe 2, a sludge pump 3, a stirring device 4, a heating device 5 and a sterilizing device 6, wherein the sewage inlet pipe 2 is fixedly arranged at the inlet end of the collecting box 1, and the sewage inlet pipe 2 is used for guiding medical wastewater collected sludge into the collecting box 1; the outlet end of the collecting box 1 is communicated with a sludge pump 3 through a guide pipe, the outlet end of the sludge pump 3 is communicated with a stirring device 4 through a guide pipe, and the sludge pump 3 is used for guiding the collected sludge into the stirring device 4 for stirring; the outlet end of the stirring device 4 is communicated with a heating device 5 through a conduit, and the heating device 5 is used for heating and dehydrating sludge; the outlet end of the heating device 5 is communicated with a disinfection device 6 through a conduit, and the disinfection device 6 is used for disinfecting and sterilizing the dehydrated sludge; the stirring device 4 comprises a shell 41, a stirring mechanism 42 and a driving mechanism 43; the stirring mechanism 42 is arranged on the inner side of the shell 41, and the driving mechanism 43 is arranged at the bottom of the shell 41; the driving mechanism 43 is used for driving the stirring mechanism 42 to rotate.

Example 2:

referring to fig. 1 to 4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the stirring mechanism 42 includes a mounting case 421, a plurality of stirring rods 422, a sleeve shaft 423, a worm 424, a plurality of worm gears 425, a plurality of stirring impellers 426, a first bevel gear 427, a rotating shaft 428, and a second bevel gear 429; the sleeve shaft 423 penetrates through the bottom wall of the shell 41 and is rotatably connected with the shell 41, the top end of the sleeve shaft 423 is fixedly connected with the installation box 421, and the stirring rods 422 are uniformly and fixedly installed at two ends of the installation box 421; the worm 424 is rotatably installed on the inner side of the installation box 421, the worm wheels 425 are rotatably installed in the installation box 421 and are distributed at equal intervals along the axial direction of the worm 424, the worm wheels 425 are all meshed with the worm 424, and the stirring impellers 426 are coaxially and fixedly connected with the corresponding worm wheels 425; a rotation shaft 428 penetrates the sleeve shaft 423 and is rotatably connected to the sleeve shaft 423, a tip end of the rotation shaft 428 is fixedly connected to the second bevel gear 429, and a first bevel gear 427 is fixedly attached to the worm 424 and meshes with the second bevel gear 429.

The drive mechanism 43 includes a ring gear 431, a first gear 432, a motor 433, and two second gears 434; the ring gear 431 is fixedly installed at the bottom end of the sleeve shaft 423, the first gear 432 is fixedly installed at the bottom end of the rotating shaft 428, the motor 433 is fixedly installed at the bottom of the shell 41, the two second gears 434 are both fixedly installed on an output shaft of the motor 433, and the two second gears 434 are respectively meshed with the ring gear 431 and the first gear 432.

The working principle is as follows: firstly, medical wastewater sludge is led into the collecting box 1 through the sewage inlet pipe 2, and then the sludge pump 3 is started, so that the sludge in the collecting box 1 is pumped out and led into the shell 41 of the stirring device 4;

then, the motor 433 is started, so that the two second gears 434 rotate synchronously, and since the two second gears 434 are respectively meshed with the gear ring 431 and the first gear 432, the gear ring 431 and the first gear 432 rotate synchronously, so that the sleeve shaft 423 and the rotating shaft 428 rotate, the whole installation box 421 rotates, and the stirring rods 422 at the two ends of the installation box 421 can stir the sludge transversely; the rotating shaft 428 drives the second bevel gear 429 to rotate, so that the first bevel gears 427 and all the worms 424 rotate, and further the worm wheel 425 drives all the stirring impellers 426 to synchronously rotate, thereby realizing longitudinal stirring of the sludge, and greatly improving the stirring effect of the sludge; the stirred sludge is guided into the heating device 5, so that the sludge can be uniformly heated to accelerate the drying speed; the dried sludge is then introduced into a disinfection device 6 for disinfection treatment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The medical wastewater sludge drying equipment comprises a collection box (1), a sewage inlet pipe (2), a sludge pump (3), a stirring device (4), a heating device (5) and a disinfection device (6), wherein the sewage inlet pipe (2) is fixedly arranged at the inlet end of the collection box (1), the outlet end of the collection box (1) is communicated with the sludge pump (3) through a conduit, the outlet end of the sludge pump (3) is communicated with the stirring device (4) through a conduit, the outlet end of the stirring device (4) is communicated with the heating device (5) through a conduit, and the outlet end of the heating device (5) is communicated with the disinfection device (6) through a conduit, and is characterized in that the stirring device (4) comprises a shell (41), a stirring mechanism (42) and a driving mechanism (43); the stirring mechanism (42) is arranged on the inner side of the shell (41), and the driving mechanism (43) is arranged at the bottom of the shell (41).

2. The medical wastewater sludge drying device as claimed in claim 1, wherein the stirring mechanism (42) comprises a mounting box (421), a plurality of stirring rods (422) and a sleeve shaft (423); the sleeve shaft (423) penetrates through the bottom wall of the shell (41) and is rotatably connected with the shell (41), the top end of the sleeve shaft (423) is fixedly connected with the installation box (421), and the stirring rods (422) are uniformly and fixedly installed at two ends of the installation box (421).

3. The medical wastewater sludge drying apparatus according to claim 2, wherein the stirring mechanism (42) further comprises a worm (424), a plurality of worm gears (425) and a plurality of stirring impellers (426); worm (424) rotate and install the inboard at install bin (421), and is a plurality of worm wheel (425) all rotate install in install bin (421) and along the axis direction equidistance distribution of worm (424), and are a plurality of worm wheel (425) all mesh with worm (424), and are a plurality of stirring vane wheel (426) and corresponding worm wheel (425) coaxial fixed connection.

4. The medical wastewater sludge drying apparatus according to claim 3, wherein the stirring mechanism (42) further comprises a first bevel gear (427), a rotating shaft (428) and a second bevel gear (429); the rotating shaft (428) penetrates through the sleeve shaft (423) and is connected with the sleeve shaft (423) in a rotating mode, the top end of the rotating shaft (428) is fixedly connected with the second bevel gear (429), and the first bevel gear (427) is fixedly installed on the worm (424) and meshed with the second bevel gear (429).

5. The medical wastewater sludge drying apparatus according to claim 4, wherein the driving mechanism (43) comprises a ring gear (431), a first gear (432), a motor (433) and two second gears (434); the gear ring (431) is fixedly installed at the bottom end of the sleeve shaft (423), the first gear (432) is fixedly installed at the bottom end of the rotating shaft (428), the motor (433) is fixedly installed at the bottom of the shell (41), the second gears (434) are fixedly installed on an output shaft of the motor (433), and the second gears (434) are respectively meshed with the gear ring (431) and the first gear (432).