CN213506537U - Medical treatment sludge collecting and processing system - Google Patents
Medical treatment sludge collecting and processing system Download PDFInfo
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- CN213506537U CN213506537U CN202022436197.7U CN202022436197U CN213506537U CN 213506537 U CN213506537 U CN 213506537U CN 202022436197 U CN202022436197 U CN 202022436197U CN 213506537 U CN213506537 U CN 213506537U
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Abstract
The utility model discloses a medical sludge collecting and processing system, which comprises a dryer, a disinfection room, an incinerator, a dust removal device and a waste heat boiler, wherein the dryer, the incinerator and the dust removal device are mutually communicated, the waste heat boiler is respectively communicated with the incinerator and the dryer through pipelines, the heat of the incinerator is introduced into the dryer, the collected wet medical sludge is orderly processed through the disinfection room, the dryer, the dust removal device and the incinerator to obtain harmless ash slag, and the heat generated by combustion is simultaneously used as the heat required by processing; can utilize the existing equipment, has low treatment energy consumption, and effectively solves the problems of small and dispersed medical sludge amount, high single treatment cost and incomplete treatment.
Description
Technical Field
The utility model relates to a medical treatment pollutant innocent treatment field, concretely relates to medical treatment sludge collecting and treating system.
Background
The medical sludge is formed by sewage precipitation generated by various departments of medical institutions, has complex sources and components, contains pathogenic microorganisms, toxic and harmful physicochemical pollutants and the like, has the characteristics of space pollution, acute infection, latent infection and the like, is extremely infectious, can induce diseases or cause injuries, and becomes an important path for spreading epidemic diseases and seriously pollutes the environment without effective treatment, and the sludge is classified as dangerous waste according to the discharge standard of water pollutants of the medical institutions GB18466-2005 and the technical specification of hospital sewage treatment engineering HJ2029-2013 in China, and is treated and disposed according to the dangerous waste.
At present, sludge generated in wastewater of medical institutions in China is not effectively treated, which is mainly caused by the following reasons: 1. the medical institutions are scattered, and the sludge is not beneficial to centralized treatment; 2. the amount of sludge generated in the wastewater of the medical institution is limited, and the cost of self-disposal is high; 3. sludge generated by the wastewater of the medical institution is not suitable for being treated together with general sludge, contains a large amount of germs and needs special treatment technology; 4. because the sludge production is limited, the economic benefit of resource utilization after treatment is low. Therefore, harmless, reduced and resource treatment of wastewater and sludge in medical institutions still needs to be solved.
The utility model discloses usable current life innocent treatment's equipment adds relevant disinfection, mummification, dust collector and handles the medical sludge of collection, utilizes current burning furnace heating exhaust-heat boiler that burns, produces hot steam heating mummification back medical sludge, and the mud after the mummification drops into burning in the burning furnace, and the innocent treatment effect is thorough to effective reduction handles the energy consumption, saves manufacturing cost for the enterprise.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art's defect, provide a medical treatment sludge collection processing system.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a medical sludge collecting and processing system, includes desiccator, burns burning furnace, dust collector and exhaust-heat boiler, and wherein, desiccator, burning furnace and dust collector communicate each other, and exhaust-heat boiler communicates respectively through the pipeline and burns burning furnace and desiccator, will burn burning furnace heat introduction desiccator, and the wet medical sludge who collects is through the desiccator mummification, gets off mummification medical sludge filtration through dust collector, then drops into burning furnace and burns, obtains innoxious lime-ash.
Preferably, a sterilization booth is further included, which is in communication with the dryer. Before wet medical sludge enters a dryer, disinfectant is added into a disinfection room for disinfection.
Preferably, the dust removing device comprises a cyclone dust remover and a bag-type dust remover, the cyclone dust remover or the bag-type dust remover is communicated with the dryer, and the dried medical sludge is filtered and collected by the cyclone dust remover or the bag-type dust remover.
Preferably, the drying device further comprises a circulating fan, and the circulating fan guides the air with the waste heat discharged from the dust removal device into the inlet of the drying machine to preheat wet medical sludge, so that drying energy consumption is saved.
Preferably, the system further comprises a condenser which is arranged between the dryer and the waste heat boiler through a pipeline. The condenser cools the exhaust steam after passing through the dryer, and the condensed water enters the waste heat boiler again.
Preferably, the system further comprises a first screw conveyor or a second screw conveyor, wherein the first screw conveyor is communicated with the drying machine, and the second screw conveyor is communicated with the dust removal device and the incinerator. The wet medical sludge is sent to a dryer for drying through a first screw conveyer; the dried medical sludge collected by the dust removing device is sent into the incinerator through a second screw conveyer.
Preferably, the sludge treatment system further comprises a dry sludge storage room which is arranged between the second screw conveyor and the incinerator, and the dry sludge storage room is used for storing the dried medical sludge and putting the dried medical sludge into the incinerator after a certain amount of medical sludge is reached.
Preferably, the dryer, the cyclone dust collector and the bag-type dust collector are communicated in sequence, and the bag-type dust collector is communicated with the circulating fan. After being dried by a dryer, wet medical sludge enters a cyclone dust collector to filter most of dry medical sludge, the rest part is collected by a bag-type dust collector, and residual heat air in the drying process is guided into an inlet of the dryer by a circulating fan.
Preferably, the disinfection room further comprises a sludge bin which is communicated with the disinfection room. The sterilized wet medical sludge enters a sludge bin for storage, and after a certain amount of sludge is obtained, subsequent treatment is carried out.
Preferably, the circulating fan guides part of the residual air discharged from the dust removing device into the incinerator to participate in incineration.
The utility model discloses well medical sludge is advanced to go into the disinfection room disinfection, then drops into the desiccator and carry out the mummification, collects mummification medical sludge through dust collector behind the mummification, then gets into to burn burning furnace and burn into harmless lime-ash, burns burning furnace heating exhaust-heat boiler, and the steam of production is used for the desiccator to carry out the mummification to medical sludge, can carry out thorough innocent treatment to medical sludge, finally produces the lime-ash of decrement, and heat recycle, effective energy saving are emphasized in the processing procedure.
Drawings
FIG. 1 is a schematic view of a medical sludge collection and treatment system of the present invention;
fig. 2 is a detailed schematic view of the medical sludge collection and treatment system of the present invention.
In the figure, 200 is a dust removing device, 1 is a dryer, 2 is a waste heat boiler, 21 is a condenser, 3 is a cyclone dust remover, 4 is a bag-type dust remover, 41 is a circulating fan, 5 is a disinfection room, 6 is a sludge bin, 71 is a first screw conveyer, 72 is a second screw conveyer, 8 is a dry sludge storage room, and 9 is an incinerator.
Detailed Description
In the embodiment, referring to fig. 1, a medical sludge collecting and treating system comprises a dryer 1, an incinerator 9, a dust removing device 200 and a waste heat boiler 2, wherein the dryer 1, the dust removal device 2 and the incinerator 9 are communicated with each other, the incinerator 9 burns to generate heat to heat the exhaust-heat boiler 2, the exhaust-heat boiler 2 is connected with the dryer 1 through a pipeline, steam with the pressure of 0.1-0.5MPa and the temperature of 100-150 ℃ is introduced into the outer shell of the dryer 1 to be heated, the steam is used as a main heat source of the dryer 1 to dry the medical sludge, the medical sludge is filtered and collected by the dust removing device 200, the collected granular dried sludge (with a calorific value of 1800Kcal/kg) is put into the incinerator 9 for mixed combustion (with a mixed combustion ratio of 15%), organic matters in the medical sludge are combusted at high temperature to form water and carbon dioxide, heat is generated at the same time, and the inorganic matters are incinerated to harmless ash.
Referring to fig. 2, a sterilization booth 5 is further included, which is in communication with the dryer 1. Before wet medical sludge (with the water content of 80-86%) enters a dryer 1, a disinfection room 5 is used for disinfection, a disinfectant is added into the medical sludge and mixed, pathogenic microorganisms in the medical sludge are killed, the toxicity is reduced, and the pollution in subsequent processes is reduced, wherein the types of the disinfectant comprise chlorine-containing disinfectant, peroxide disinfectant, aldehyde disinfectant, alcohol disinfectant, iodine-containing disinfectant, phenol disinfectant, ethylene oxide, biguanidine disinfectant and quaternary hinge salt disinfectant, the disinfection time is 10-20min, the pathogenic microorganisms such as infectious bacteria, viruses and the like in the medical sludge are killed, the toxicity of the medical sludge is greatly reduced, and the pollution to subsequent treatment is reduced.
The circulating fan 41 guides the waste heat air exhausted from the dust removing device 200 into the inlet of the dryer 1 again to preheat the wet medical sludge, which is beneficial to saving the drying energy consumption.
Further comprises a condenser 21 which is arranged between the dryer 1 and the waste heat boiler 2 by a pipeline. The condenser 21 cools the exhaust steam passing through the dryer 1, and condensed condensate water enters the waste heat boiler 2 again for heating, so that water in the waste heat boiler 2 can be recycled.
Further comprises a first screw conveyor 71 or a second screw conveyor 72, wherein the first screw conveyor 71 is communicated with the dryer 1, and the second screw conveyor 72 is communicated with the dust removing device 200 and the incinerator 9. The wet medical sludge is sent into the dryer 1 through the first screw conveyor 71; the dried medical sludge collected by the dust removing device 200 is sent to the incinerator 9 through the second screw conveyor 72.
Further including dry sludge storage room 8, it is located between second screw conveyer 72 and the burning furnace 9, dry sludge storage room 8 is used for depositing mummification back medical treatment mud, when handling small batch volume medical treatment mud, produces mummification medical treatment mud less, directly burns and is unfavorable for carrying out combustion control to burning furnace, and is inefficient, can throw into burning furnace continuous burning after reaching a certain amount, improves production efficiency.
The dryer 1, the cyclone dust collector 3 and the bag-type dust collector 4 are communicated in sequence, and the bag-type dust collector 4 is communicated with the circulating fan 41. After being dried by the dryer 1, wet medical sludge enters the cyclone dust collector 3 to filter most of dry medical sludge, the rest part is collected by the bag dust collector 4, and residual heat air in the drying process is guided into the dryer inlet 1 through the circulating fan 41.
Further comprises a sludge bin 6 which is communicated with the disinfection room 5. The disinfected wet medical sludge enters a sludge bin 6 for storage; when collecting medical sludge not enough, if directly handle, can reduce whole processing system's efficiency and increase the energy consumption, bring the excessive loss of equipment simultaneously, mud feed bin 6 makes medical sludge resume after reaching a quantitative and handles, can avoid above-mentioned problem.
The circulating fan 41 introduces the residual waste heat air discharged from the dust removing device 200 into the incinerator 9 to be burned, so that residual pathogenic microorganisms are thoroughly killed, and the air is discharged after harmless treatment.
The medical sludge collecting and treating system can rely on equipment such as an incinerator, a waste heat boiler and the like of the existing harmless treatment enterprise, the medical sludge is dried by using the generated waste heat, the dried medical sludge is used as an auxiliary fuel and is mixed with the raw material of the incinerator, the medical sludge is burnt at high temperature in the incinerator and can be thoroughly degraded into harmless ash, the ash can be used as an industrial raw material after being treated, and the waste gas generated during burning can reach the ultralow emission requirement through a complete tail gas treatment system of the harmless enterprise; the utility model discloses can collect the back centralized processing with current innocent treatment enterprise resource integration to medical sludge, solve the medical sludge volume and scatter less and, the problem that the cost is high is handled alone, finally only produces few lime-ash, thoroughly innocent treatment is all done to waste water, waste gas etc. that the in-process produced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides a medical sludge collection processing system for carry out innocent treatment to medical sludge, its characterized in that: the waste heat boiler is communicated with the incinerator and the dryer through pipelines respectively, heat of the incinerator is introduced into the dryer, and medical sludge passes through the dryer, the dust removal device and the incinerator in sequence to obtain harmless ash.
2. The medical sludge collection and treatment system of claim 1, wherein: further comprising a sterilization booth in communication with the dryer.
3. The medical sludge collection and treatment system of claim 1, wherein: the dust removal device comprises a cyclone dust collector and a bag-type dust collector, the cyclone dust collector or the bag-type dust collector is communicated with the dryer, and medical sludge dried by the dryer is collected.
4. The medical sludge collection and treatment system of claim 1 or 3, wherein: the drying machine further comprises a circulating fan, and the circulating fan guides the waste heat air discharged from the dust removal device into the drying machine.
5. The medical sludge collection and treatment system of claim 1, wherein: the waste heat boiler further comprises a condenser which is arranged between the dryer and the waste heat boiler through a pipeline.
6. The medical sludge collection and treatment system of claim 1, wherein: the drying device further comprises a first screw conveyor or a second screw conveyor, wherein the first screw conveyor is communicated with the drying machine, and the second screw conveyor is communicated with the dust removal device and the incinerator.
7. The medical sludge collection and treatment system of claim 6, wherein: further comprises a dry sludge storage room which is arranged between the second screw conveyer and the incinerator.
8. The medical sludge collection and treatment system of claim 3, wherein: the dryer, the cyclone dust collector and the bag-type dust collector are communicated in sequence, and the bag-type dust collector is communicated with the circulating fan.
9. The medical sludge collection and treatment system of claim 2 and claim 7 wherein: further comprises a sludge bin which is communicated with the disinfection room.
10. The medical sludge collection and treatment system of claim 4, wherein: and the circulating fan guides the residual waste heat air discharged from the dust removal device into the incinerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436197.7U CN213506537U (en) | 2020-10-28 | 2020-10-28 | Medical treatment sludge collecting and processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436197.7U CN213506537U (en) | 2020-10-28 | 2020-10-28 | Medical treatment sludge collecting and processing system |
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| CN213506537U true CN213506537U (en) | 2021-06-22 |
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| CN202022436197.7U Active CN213506537U (en) | 2020-10-28 | 2020-10-28 | Medical treatment sludge collecting and processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142290A (en) * | 2020-10-28 | 2020-12-29 | 广东生活环境无害化处理中心有限公司 | Medical sludge collecting and treating system and method |
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2020
- 2020-10-28 CN CN202022436197.7U patent/CN213506537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142290A (en) * | 2020-10-28 | 2020-12-29 | 广东生活环境无害化处理中心有限公司 | Medical sludge collecting and treating system and method |
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