CN211119385U - System for treating medical waste - Google Patents
System for treating medical waste Download PDFInfo
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- CN211119385U CN211119385U CN201921549442.6U CN201921549442U CN211119385U CN 211119385 U CN211119385 U CN 211119385U CN 201921549442 U CN201921549442 U CN 201921549442U CN 211119385 U CN211119385 U CN 211119385U
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Abstract
The utility model discloses a system for disposing medical waste, which comprises a waste storage, a conveying device, a feeding device, a nitrogen protection device and an incineration chamber, wherein the waste storage is an airtight negative pressure type waste storage; the conveying device comprises a waste transfer box, a lifter and a hopper; the waste transfer box is provided with an automatic door opening and closing device; the feeding device comprises a rotary feeder and a feeding chute which are sequentially connected in a sealing manner; the blanking chute is provided with a pneumatic high-temperature gate valve and a temperature measuring point; and the nitrogen protection device is provided with jet ports at the inlet of the rotary feeder and on the feeding chute, when the temperature in the feeding chute measured by the temperature measuring point is higher than the safe temperature and continuously exceeds the safe time, the pneumatic high-temperature gate valve is automatically closed, the nitrogen protection device is automatically opened, and nitrogen is respectively filled into the rotary feeder and the feeding chute through the jet ports.
Description
Technical Field
The present invention relates to a medical waste disposal system, and more particularly to a medical waste disposal system.
Background
Medical waste refers to the polluting waste produced by hospitals after contacting blood, flesh and the like of patients. Such as used cotton balls, sandcloths, adhesive tapes, waste water, disposable medical devices, post-operative waste, expired drugs, and the like. According to the medical detection report of the national health department, the harmfulness of the virus and the germ of the medical garbage is dozens, hundreds or even thousands of times of that of the common household garbage because the medical garbage has the characteristics of space pollution, acute infection, latent pollution and the like. If the treatment is improper, serious pollution to the environment can be caused, and the treatment can also become a source of epidemic disease.
With the annual increase of medical waste in hospitals in various places, in order to enhance the management of medical waste, a "medical waste management regulation" is made. However, the disposal of medical waste still faces many problems, and especially, if the disposal cannot be carried out in time, a great potential safety hazard exists. Moreover, the medical waste is sent to the other places for a long way, the danger coefficient is large, and the medical waste is the best solution on the basis of local disposal.
The treatment technologies of medical wastes are largely classified into ① high-temperature treatment methods such as incineration, pyrolysis and vaporization, ② alternative treatment methods such as chemical sterilization, high-temperature high-pressure steam sterilization, dry heat sterilization, microwave treatment and safe landfill, and ③ innovative technologies such as plasma technology and radiation technology.
However, the above techniques are still not mature enough in practical use and are still in the groping stage.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a system for rely on cement kiln to handle medical waste, make full use of cement kiln high temperature's characteristics carry out the high temperature with medical waste and burn the processing.
Therefore, the utility model provides a system for disposing medical waste, which comprises a waste storage, a conveying device, a feeding device, a nitrogen protection device and an incinerator,
the waste storage is a closed negative pressure type waste storage;
the conveying device comprises a waste transfer box, a lifter and a hopper; the waste transfer box is provided with an automatic door opening and closing device;
the feeding device comprises a rotary feeder and a feeding chute which are sequentially connected in a sealing manner; the blanking chute is provided with a pneumatic high-temperature gate valve and a temperature measuring point;
the nitrogen protection device is provided with jet ports at the inlet of the rotary feeder and on the feeding chute, when the temperature in the feeding chute measured by the temperature measuring point is higher than the safe temperature and continuously exceeds the safe time, the pneumatic high-temperature gate valve is automatically closed, the nitrogen protection device is automatically opened, and nitrogen is respectively filled into the rotary feeder and the feeding chute through the jet ports;
the incinerator is a cement kiln tail smoke chamber.
This system during operation will medical waste in the discarded object storehouse is packed into in the discarded object transfer box, perhaps can put into the discarded object directly when saving in the discarded object storehouse put into in the discarded object transfer box, then, by the lifting machine will the discarded object transfer box is sent into in the hopper, at this moment, the discarded object transfer box is in open in the hopper automatic switch door gear puts into the discarded object wherein the hopper, gets into afterwards glassware under the gyration is followed the unloading elephant trunk process pneumatic high temperature slide valve gets into burn in the cement kiln tail smoke chamber.
The system of handling medical waste, wherein, conveyor is preferred still to include metering device, metering device is preferred to include batcher and conveyer. At the moment, the wastes in the hopper sequentially pass through the feeding machine and the conveyor and then enter the rotary feeder.
The system for disposing medical waste of the present invention, wherein the feeder is preferably a sealed feeder; the conveyor is preferably a wire conveyor.
The system for disposing medical waste of the present invention, wherein the waste transfer box is preferably a sealed waste transfer box.
The system for disposing medical waste, wherein, safe temperature is preferably 300 ℃, safe time is preferably 5S. Of course, the safe temperature and the safe time can be adjusted according to the specific situation of waste treatment.
Deal with system of medical discarded object, wherein, the preferred manual high temperature slide valve that still is equipped with on the unloading elephant trunk.
The system for disposing medical waste of the present invention, wherein the conveyor is preferably a fully sealed conveyor.
Deal with system of medical waste, wherein, the preferred high temperature stop valve that is equipped with on the bin outlet of cement kiln tail smoke chamber.
The system for disposing medical waste of the present invention, wherein the number of the high temperature stop valves is preferably at least two.
To sum up, the utility model discloses specific effect as follows:
(1) the utility model discloses a hot-blast burning medical discarded object of cement kiln tail smoke chamber to reach the purpose of getting rid of the pollution characteristic of discarded object, the high temperature alkaline environment that can make full use of cement kiln carries out effectual safety to the medical discarded object of collection and deals with, need not newly-increased heat source, waste gas processing system etc..
(2) The utility model discloses batcher, steel wire conveyor are sealed in the configuration, realize measurement, the even feed to medical waste to ensure the steady operation of cement kiln tail smoke chamber (burning furnace).
(3) The utility model discloses a cement kiln tail smoke chamber (burn burning furnace) realizes the lock wind through the high temperature stop valve, prevents to burn the bin outlet air leakage of burning furnace.
(4) The utility model discloses add nitrogen protection device, can restrain oxygen, reach the purpose of fire prevention.
(5) The whole treatment process can realize no manual direct participation, and the manual work can be monitored through videos, so that the risk of personnel infection is reduced.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Wherein the reference numerals are:
1. a hoist; 2. a hopper; 3. sealing the feeder; 4. a wire conveyor; 5. rotating the blanking device; 6. a pneumatic high temperature gate valve; 7. a manual high-temperature gate valve; 8. blanking a scraper-trough conveyer; 9. a cement kiln tail smoke chamber; 10. a nitrogen protection device; 11. a waste transfer tank; 12. a forklift; 101. the basket is lifted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the system for disposing medical waste of the present invention comprises a waste storage (not shown), a conveying device, a feeding device, a nitrogen protection device 10 and a cement kiln tail smoke chamber 9,
the waste storage is closed and negative pressure and needs to be disinfected regularly (every day);
the conveying device comprises a waste transfer box 11, a lifter 1 and a hopper 2; the waste transfer box 11 is provided with an automatic door opening and closing device (not shown);
the feeding device comprises a rotary feeder 5 and a feeding chute 8 which are sequentially connected in a sealing manner; a pneumatic high-temperature gate valve 6 and a manual high-temperature gate valve 7 are sequentially arranged on the blanking chute 8 from the feeding port to the discharging port, and a temperature measuring point is also arranged on the blanking chute 8;
the nitrogen protection device 10 is provided with jet ports (not shown) on the inlet of the rotary feeder 5 and the feeding chute 8, when the temperature in the feeding chute 8 measured by a temperature measuring point is higher than the safe temperature by 300 ℃ and the duration time exceeds the safe time by 5S, the pneumatic high-temperature gate valve 6 is automatically closed, the nitrogen protection device 10 is automatically opened, and the nitrogen protection device 10 respectively fills nitrogen into the rotary feeder 5 and the feeding chute 8 through the jet ports, so that the rotary feeder 5 and the feeding chute 8 are filled with nitrogen;
the during operation of this system, pack into waste transfer box 11 with the medical waste in the waste storage storehouse in, transport vehicle such as fork truck 12 and transport to car elevator 1 department of cement plant preheater bottom, put into waste transfer box 11 in the promotion basket 101 of elevator 1, then waste transfer box 11 sends into hopper 2 top through elevator 1, at this moment, open automatic switch door gear, put into hopper 2 with the medical waste in the waste transfer box 11, then get into gyration tripper 5, get into cement kiln tail smoke chamber 9 through pneumatic high temperature slide valve 6 and manual high temperature slide valve 7 along unloading elephant trunk 8 again, burn at about 1100 ℃.
In some embodiments, the conveying device further comprises a sealed feeder 3 and a wire conveyor 4, and the whole conveying device is a fully sealed conveying device, preventing people from contacting medical wastes (medical wastes) and preventing the medical wastes from falling off due to other factors.
In some embodiments, two high temperature stop valves (not shown) are provided on the discharge opening of the cement kiln tail smoke chamber 9.
In some embodiments, as shown in fig. 1, the workflow of the system for disposing of medical waste of the present invention is as follows:
due to the particularity of medical waste, packed medical waste from hospitals must be transported to a waste transfer box 11 (sealed) in a medical waste storage, which is at the same time under sealed negative pressure and needs to be sterilized at regular time (daily);
transporting the waste transfer box 11 out of a waste storage by a forklift, transporting the waste transfer box to a lifting basket 101 at the inlet of a car type elevator 1 at the bottom of a preheater of a cement plant, lifting the waste transfer box 1 to a platform specified by the preheater by the car type elevator 1, then placing the waste transfer box 11 on a hopper 2 by an electric forklift, arranging an automatic door opening and closing device on the waste transfer box 11, automatically unloading medical waste into the hopper 2, then delivering the medical waste to a rotary discharger 5 by a steel wire conveyor 4 after passing through a sealing feeder 3, and then entering a kiln tail smoke chamber 9 along a discharging chute 8 through a pneumatic high-temperature flashboard 6 and a manual high-temperature flashboard 7 to carry out high-temperature (such as 1200 ℃) calcination.
In the process of disposing the medical waste, when the temperature measuring point arranged on the blanking chute 8 reaches 300 ℃ and continuously exceeds 5 seconds, the pneumatic high-temperature gate valve 6 is automatically closed, the nitrogen protection device 10 is automatically opened, and nitrogen is filled in the rotary blanking device 5 and the blanking chute 8 to protect relevant equipment.
Wherein, the manual high-temperature gate valve 7 is used for closing the blanking chute 8 during maintenance.
Since the medical waste is in principle disposed of on-demand in the process, and the medical waste is collectively referred to as medical waste with primary packaging (e.g., packaging bags and sharps boxes) for incineration. Therefore, the utility model discloses set up discarded object storage storehouse and discarded object transport case 11, can suitably prolong the storage time of placing of medical waste, the batch continuous operation of this system of being more convenient for.
The utility model discloses a method for medical waste is dealt with to system, including following step:
s1, placing the waste into a waste storage, wherein the waste storage is a closed negative-pressure waste storage and needs to be disinfected at regular time (once a day);
s2, hermetically transporting the waste in the waste storage to a rotary blanking device 5, and then feeding the waste into a tail smoke chamber 9 of the cement kiln through a blanking chute 8 for incineration;
in the process, the temperature in the blanking chute 8 is detected, when the temperature in the blanking chute 8 is detected to be higher than the safe temperature of 300 ℃ and continuously exceeds the safe time of 5S, the blanking chute 8 is automatically closed, and simultaneously, the nitrogen protection device is automatically opened, and nitrogen is respectively filled into the rotary blanking device 5 and the blanking chute 8.
Of course, the above-mentioned safety temperature and the safety time may be adjusted according to the specific conditions of the waste to be treated.
In some embodiments, the sealed transportation in step S2 is:
s21, the waste in the waste storage is loaded into the waste transfer box 11, the waste transfer box 11 is loaded into the hopper 2 through the lifting machine 1, and the waste transfer box 11 opens the waste in the hopper 2;
s22, the waste enters the metering device from the hopper 2 and is uniformly discharged to the rotary feeder 5 by the metering device.
The utility model discloses specific effect as follows:
(1) the utility model discloses a hot-blast burning medical discarded object of cement kiln tail smoke chamber to reach the purpose of getting rid of the pollution characteristic of discarded object, the high temperature alkaline environment that can make full use of cement kiln carries out effectual safety to the medical discarded object of collection and deals with, need not newly-increased heat source, waste gas processing system etc..
(2) The utility model discloses batcher, steel wire conveyor are sealed in the configuration, realize measurement, the even feed to medical waste to ensure the steady operation of cement kiln tail smoke chamber (burning furnace).
(3) The utility model discloses a cement kiln tail smoke chamber (burn burning furnace) realizes the lock wind through the high temperature stop valve, prevents to burn the bin outlet air leakage of burning furnace.
(4) The utility model discloses add nitrogen protection device, can restrain oxygen, reach the purpose of fire prevention.
(5) The whole treatment process can realize no manual direct participation, and the manual work can be monitored through videos, so that the risk of personnel infection is reduced.
It should be noted that the above-mentioned preferred embodiments are only used for illustrating the present invention, but the present invention is not limited to the above-mentioned embodiments, and the variations and modifications made by those skilled in the art within the scope of the present invention are all within the protection scope of the present invention.
Claims (9)
1. A system for disposing medical waste is characterized by comprising a waste storage, a conveying device, a feeding device, a nitrogen protection device and an incinerator,
the waste storage is a closed negative pressure type waste storage;
the conveying device comprises a waste transfer box, a lifter and a hopper; the waste transfer box is provided with an automatic door opening and closing device;
the feeding device comprises a rotary feeder and a feeding chute which are sequentially connected in a sealing manner; the blanking chute is provided with a pneumatic high-temperature gate valve and a temperature measuring point;
the nitrogen protection device is provided with jet ports at the inlet of the rotary feeder and on the feeding chute, when the temperature in the feeding chute measured by the temperature measuring point is higher than the safe temperature and continuously exceeds the safe time, the pneumatic high-temperature gate valve is automatically closed, the nitrogen protection device is automatically opened, and nitrogen is respectively filled into the rotary feeder and the feeding chute through the jet ports;
the incinerator is a cement kiln tail smoke chamber.
2. The system of disposing medical waste of claim 1, wherein the conveyor device further comprises a metering device comprising a feeder and a conveyor.
3. The system for disposing of medical waste of claim 1, wherein the safe temperature is 300 ℃ and the safe time is 5S.
4. The system for disposing medical waste as claimed in claim 1, wherein the blanking chute is further provided with a manual high temperature gate valve.
5. A system for disposal of medical waste as claimed in claim 1 or claim 2 wherein said transport means is a fully sealed transport means.
6. The system for disposing medical waste as claimed in claim 1, wherein a high temperature stop valve is disposed on a discharge port of the cement kiln tail smoke chamber.
7. The system for disposing medical waste of claim 6, wherein the number of the high temperature shut-off valves is at least two.
8. The system of disposing medical waste of claim 2, wherein the feeder is a sealed feeder; the conveyor is a steel wire conveyor.
9. The system for disposing medical waste of claim 1, wherein the waste transport box is a sealed waste transport box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549442.6U CN211119385U (en) | 2019-09-17 | 2019-09-17 | System for treating medical waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549442.6U CN211119385U (en) | 2019-09-17 | 2019-09-17 | System for treating medical waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119385U true CN211119385U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921549442.6U Active CN211119385U (en) | 2019-09-17 | 2019-09-17 | System for treating medical waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119385U (en) |
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2019
- 2019-09-17 CN CN201921549442.6U patent/CN211119385U/en active Active
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